/src/opencv/3rdparty/libtiff/tif_dirread.c
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1 | | /* |
2 | | * Copyright (c) 1988-1997 Sam Leffler |
3 | | * Copyright (c) 1991-1997 Silicon Graphics, Inc. |
4 | | * |
5 | | * Permission to use, copy, modify, distribute, and sell this software and |
6 | | * its documentation for any purpose is hereby granted without fee, provided |
7 | | * that (i) the above copyright notices and this permission notice appear in |
8 | | * all copies of the software and related documentation, and (ii) the names of |
9 | | * Sam Leffler and Silicon Graphics may not be used in any advertising or |
10 | | * publicity relating to the software without the specific, prior written |
11 | | * permission of Sam Leffler and Silicon Graphics. |
12 | | * |
13 | | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
14 | | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
15 | | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
16 | | * |
17 | | * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
18 | | * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
19 | | * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
20 | | * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
21 | | * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
22 | | * OF THIS SOFTWARE. |
23 | | */ |
24 | | |
25 | | /* |
26 | | * TIFF Library. |
27 | | * |
28 | | * Directory Read Support Routines. |
29 | | */ |
30 | | |
31 | | /* Suggested pending improvements: |
32 | | * - add a field 'field_info' to the TIFFDirEntry structure, and set that with |
33 | | * the pointer to the appropriate TIFFField structure early on in |
34 | | * TIFFReadDirectory, so as to eliminate current possibly repetitive lookup. |
35 | | */ |
36 | | |
37 | | #include "tiffconf.h" |
38 | | #include "tiffiop.h" |
39 | | #include <float.h> |
40 | | #include <limits.h> |
41 | | #include <stdlib.h> |
42 | | #include <string.h> |
43 | | |
44 | 453k | #define FAILED_FII ((uint32_t)-1) |
45 | | |
46 | | #ifdef HAVE_IEEEFP |
47 | | #define TIFFCvtIEEEFloatToNative(tif, n, fp) |
48 | | #define TIFFCvtIEEEDoubleToNative(tif, n, dp) |
49 | | #else |
50 | | extern void TIFFCvtIEEEFloatToNative(TIFF *, uint32_t, float *); |
51 | | extern void TIFFCvtIEEEDoubleToNative(TIFF *, uint32_t, double *); |
52 | | #endif |
53 | | |
54 | | enum TIFFReadDirEntryErr |
55 | | { |
56 | | TIFFReadDirEntryErrOk = 0, |
57 | | TIFFReadDirEntryErrCount = 1, |
58 | | TIFFReadDirEntryErrType = 2, |
59 | | TIFFReadDirEntryErrIo = 3, |
60 | | TIFFReadDirEntryErrRange = 4, |
61 | | TIFFReadDirEntryErrPsdif = 5, |
62 | | TIFFReadDirEntryErrSizesan = 6, |
63 | | TIFFReadDirEntryErrAlloc = 7, |
64 | | }; |
65 | | |
66 | | static enum TIFFReadDirEntryErr |
67 | | TIFFReadDirEntryByte(TIFF *tif, TIFFDirEntry *direntry, uint8_t *value); |
68 | | static enum TIFFReadDirEntryErr |
69 | | TIFFReadDirEntrySbyte(TIFF *tif, TIFFDirEntry *direntry, int8_t *value); |
70 | | static enum TIFFReadDirEntryErr |
71 | | TIFFReadDirEntryShort(TIFF *tif, TIFFDirEntry *direntry, uint16_t *value); |
72 | | static enum TIFFReadDirEntryErr |
73 | | TIFFReadDirEntrySshort(TIFF *tif, TIFFDirEntry *direntry, int16_t *value); |
74 | | static enum TIFFReadDirEntryErr |
75 | | TIFFReadDirEntryLong(TIFF *tif, TIFFDirEntry *direntry, uint32_t *value); |
76 | | static enum TIFFReadDirEntryErr |
77 | | TIFFReadDirEntrySlong(TIFF *tif, TIFFDirEntry *direntry, int32_t *value); |
78 | | static enum TIFFReadDirEntryErr |
79 | | TIFFReadDirEntryLong8(TIFF *tif, TIFFDirEntry *direntry, uint64_t *value); |
80 | | static enum TIFFReadDirEntryErr |
81 | | TIFFReadDirEntrySlong8(TIFF *tif, TIFFDirEntry *direntry, int64_t *value); |
82 | | static enum TIFFReadDirEntryErr |
83 | | TIFFReadDirEntryFloat(TIFF *tif, TIFFDirEntry *direntry, float *value); |
84 | | static enum TIFFReadDirEntryErr |
85 | | TIFFReadDirEntryDouble(TIFF *tif, TIFFDirEntry *direntry, double *value); |
86 | | static enum TIFFReadDirEntryErr |
87 | | TIFFReadDirEntryIfd8(TIFF *tif, TIFFDirEntry *direntry, uint64_t *value); |
88 | | |
89 | | static enum TIFFReadDirEntryErr |
90 | | TIFFReadDirEntryArray(TIFF *tif, TIFFDirEntry *direntry, uint32_t *count, |
91 | | uint32_t desttypesize, void **value); |
92 | | static enum TIFFReadDirEntryErr |
93 | | TIFFReadDirEntryByteArray(TIFF *tif, TIFFDirEntry *direntry, uint8_t **value); |
94 | | static enum TIFFReadDirEntryErr |
95 | | TIFFReadDirEntrySbyteArray(TIFF *tif, TIFFDirEntry *direntry, int8_t **value); |
96 | | static enum TIFFReadDirEntryErr |
97 | | TIFFReadDirEntryShortArray(TIFF *tif, TIFFDirEntry *direntry, uint16_t **value); |
98 | | static enum TIFFReadDirEntryErr |
99 | | TIFFReadDirEntrySshortArray(TIFF *tif, TIFFDirEntry *direntry, int16_t **value); |
100 | | static enum TIFFReadDirEntryErr |
101 | | TIFFReadDirEntryLongArray(TIFF *tif, TIFFDirEntry *direntry, uint32_t **value); |
102 | | static enum TIFFReadDirEntryErr |
103 | | TIFFReadDirEntrySlongArray(TIFF *tif, TIFFDirEntry *direntry, int32_t **value); |
104 | | static enum TIFFReadDirEntryErr |
105 | | TIFFReadDirEntryLong8Array(TIFF *tif, TIFFDirEntry *direntry, uint64_t **value); |
106 | | static enum TIFFReadDirEntryErr |
107 | | TIFFReadDirEntrySlong8Array(TIFF *tif, TIFFDirEntry *direntry, int64_t **value); |
108 | | static enum TIFFReadDirEntryErr |
109 | | TIFFReadDirEntryFloatArray(TIFF *tif, TIFFDirEntry *direntry, float **value); |
110 | | static enum TIFFReadDirEntryErr |
111 | | TIFFReadDirEntryDoubleArray(TIFF *tif, TIFFDirEntry *direntry, double **value); |
112 | | static enum TIFFReadDirEntryErr |
113 | | TIFFReadDirEntryIfd8Array(TIFF *tif, TIFFDirEntry *direntry, uint64_t **value); |
114 | | |
115 | | static enum TIFFReadDirEntryErr |
116 | | TIFFReadDirEntryPersampleShort(TIFF *tif, TIFFDirEntry *direntry, |
117 | | uint16_t *value); |
118 | | |
119 | | static void TIFFReadDirEntryCheckedByte(TIFF *tif, TIFFDirEntry *direntry, |
120 | | uint8_t *value); |
121 | | static void TIFFReadDirEntryCheckedSbyte(TIFF *tif, TIFFDirEntry *direntry, |
122 | | int8_t *value); |
123 | | static void TIFFReadDirEntryCheckedShort(TIFF *tif, TIFFDirEntry *direntry, |
124 | | uint16_t *value); |
125 | | static void TIFFReadDirEntryCheckedSshort(TIFF *tif, TIFFDirEntry *direntry, |
126 | | int16_t *value); |
127 | | static void TIFFReadDirEntryCheckedLong(TIFF *tif, TIFFDirEntry *direntry, |
128 | | uint32_t *value); |
129 | | static void TIFFReadDirEntryCheckedSlong(TIFF *tif, TIFFDirEntry *direntry, |
130 | | int32_t *value); |
131 | | static enum TIFFReadDirEntryErr |
132 | | TIFFReadDirEntryCheckedLong8(TIFF *tif, TIFFDirEntry *direntry, |
133 | | uint64_t *value); |
134 | | static enum TIFFReadDirEntryErr |
135 | | TIFFReadDirEntryCheckedSlong8(TIFF *tif, TIFFDirEntry *direntry, |
136 | | int64_t *value); |
137 | | static enum TIFFReadDirEntryErr |
138 | | TIFFReadDirEntryCheckedRational(TIFF *tif, TIFFDirEntry *direntry, |
139 | | double *value); |
140 | | static enum TIFFReadDirEntryErr |
141 | | TIFFReadDirEntryCheckedSrational(TIFF *tif, TIFFDirEntry *direntry, |
142 | | double *value); |
143 | | static void TIFFReadDirEntryCheckedFloat(TIFF *tif, TIFFDirEntry *direntry, |
144 | | float *value); |
145 | | static enum TIFFReadDirEntryErr |
146 | | TIFFReadDirEntryCheckedDouble(TIFF *tif, TIFFDirEntry *direntry, double *value); |
147 | | #if 0 |
148 | | static enum TIFFReadDirEntryErr |
149 | | TIFFReadDirEntryCheckedRationalDirect(TIFF *tif, TIFFDirEntry *direntry, |
150 | | TIFFRational_t *value); |
151 | | #endif |
152 | | static enum TIFFReadDirEntryErr |
153 | | TIFFReadDirEntryCheckRangeByteSbyte(int8_t value); |
154 | | static enum TIFFReadDirEntryErr |
155 | | TIFFReadDirEntryCheckRangeByteShort(uint16_t value); |
156 | | static enum TIFFReadDirEntryErr |
157 | | TIFFReadDirEntryCheckRangeByteSshort(int16_t value); |
158 | | static enum TIFFReadDirEntryErr |
159 | | TIFFReadDirEntryCheckRangeByteLong(uint32_t value); |
160 | | static enum TIFFReadDirEntryErr |
161 | | TIFFReadDirEntryCheckRangeByteSlong(int32_t value); |
162 | | static enum TIFFReadDirEntryErr |
163 | | TIFFReadDirEntryCheckRangeByteLong8(uint64_t value); |
164 | | static enum TIFFReadDirEntryErr |
165 | | TIFFReadDirEntryCheckRangeByteSlong8(int64_t value); |
166 | | |
167 | | static enum TIFFReadDirEntryErr |
168 | | TIFFReadDirEntryCheckRangeSbyteByte(uint8_t value); |
169 | | static enum TIFFReadDirEntryErr |
170 | | TIFFReadDirEntryCheckRangeSbyteShort(uint16_t value); |
171 | | static enum TIFFReadDirEntryErr |
172 | | TIFFReadDirEntryCheckRangeSbyteSshort(int16_t value); |
173 | | static enum TIFFReadDirEntryErr |
174 | | TIFFReadDirEntryCheckRangeSbyteLong(uint32_t value); |
175 | | static enum TIFFReadDirEntryErr |
176 | | TIFFReadDirEntryCheckRangeSbyteSlong(int32_t value); |
177 | | static enum TIFFReadDirEntryErr |
178 | | TIFFReadDirEntryCheckRangeSbyteLong8(uint64_t value); |
179 | | static enum TIFFReadDirEntryErr |
180 | | TIFFReadDirEntryCheckRangeSbyteSlong8(int64_t value); |
181 | | |
182 | | static enum TIFFReadDirEntryErr |
183 | | TIFFReadDirEntryCheckRangeShortSbyte(int8_t value); |
184 | | static enum TIFFReadDirEntryErr |
185 | | TIFFReadDirEntryCheckRangeShortSshort(int16_t value); |
186 | | static enum TIFFReadDirEntryErr |
187 | | TIFFReadDirEntryCheckRangeShortLong(uint32_t value); |
188 | | static enum TIFFReadDirEntryErr |
189 | | TIFFReadDirEntryCheckRangeShortSlong(int32_t value); |
190 | | static enum TIFFReadDirEntryErr |
191 | | TIFFReadDirEntryCheckRangeShortLong8(uint64_t value); |
192 | | static enum TIFFReadDirEntryErr |
193 | | TIFFReadDirEntryCheckRangeShortSlong8(int64_t value); |
194 | | |
195 | | static enum TIFFReadDirEntryErr |
196 | | TIFFReadDirEntryCheckRangeSshortShort(uint16_t value); |
197 | | static enum TIFFReadDirEntryErr |
198 | | TIFFReadDirEntryCheckRangeSshortLong(uint32_t value); |
199 | | static enum TIFFReadDirEntryErr |
200 | | TIFFReadDirEntryCheckRangeSshortSlong(int32_t value); |
201 | | static enum TIFFReadDirEntryErr |
202 | | TIFFReadDirEntryCheckRangeSshortLong8(uint64_t value); |
203 | | static enum TIFFReadDirEntryErr |
204 | | TIFFReadDirEntryCheckRangeSshortSlong8(int64_t value); |
205 | | |
206 | | static enum TIFFReadDirEntryErr |
207 | | TIFFReadDirEntryCheckRangeLongSbyte(int8_t value); |
208 | | static enum TIFFReadDirEntryErr |
209 | | TIFFReadDirEntryCheckRangeLongSshort(int16_t value); |
210 | | static enum TIFFReadDirEntryErr |
211 | | TIFFReadDirEntryCheckRangeLongSlong(int32_t value); |
212 | | static enum TIFFReadDirEntryErr |
213 | | TIFFReadDirEntryCheckRangeLongLong8(uint64_t value); |
214 | | static enum TIFFReadDirEntryErr |
215 | | TIFFReadDirEntryCheckRangeLongSlong8(int64_t value); |
216 | | |
217 | | static enum TIFFReadDirEntryErr |
218 | | TIFFReadDirEntryCheckRangeSlongLong(uint32_t value); |
219 | | static enum TIFFReadDirEntryErr |
220 | | TIFFReadDirEntryCheckRangeSlongLong8(uint64_t value); |
221 | | static enum TIFFReadDirEntryErr |
222 | | TIFFReadDirEntryCheckRangeSlongSlong8(int64_t value); |
223 | | |
224 | | static enum TIFFReadDirEntryErr |
225 | | TIFFReadDirEntryCheckRangeLong8Sbyte(int8_t value); |
226 | | static enum TIFFReadDirEntryErr |
227 | | TIFFReadDirEntryCheckRangeLong8Sshort(int16_t value); |
228 | | static enum TIFFReadDirEntryErr |
229 | | TIFFReadDirEntryCheckRangeLong8Slong(int32_t value); |
230 | | static enum TIFFReadDirEntryErr |
231 | | TIFFReadDirEntryCheckRangeLong8Slong8(int64_t value); |
232 | | |
233 | | static enum TIFFReadDirEntryErr |
234 | | TIFFReadDirEntryCheckRangeSlong8Long8(uint64_t value); |
235 | | |
236 | | static enum TIFFReadDirEntryErr TIFFReadDirEntryData(TIFF *tif, uint64_t offset, |
237 | | tmsize_t size, void *dest); |
238 | | static void TIFFReadDirEntryOutputErr(TIFF *tif, enum TIFFReadDirEntryErr err, |
239 | | const char *module, const char *tagname, |
240 | | int recover); |
241 | | |
242 | | static void TIFFReadDirectoryCheckOrder(TIFF *tif, TIFFDirEntry *dir, |
243 | | uint16_t dircount); |
244 | | static TIFFDirEntry *TIFFReadDirectoryFindEntry(TIFF *tif, TIFFDirEntry *dir, |
245 | | uint16_t dircount, |
246 | | uint16_t tagid); |
247 | | static void TIFFReadDirectoryFindFieldInfo(TIFF *tif, uint16_t tagid, |
248 | | uint32_t *fii); |
249 | | |
250 | | static int EstimateStripByteCounts(TIFF *tif, TIFFDirEntry *dir, |
251 | | uint16_t dircount); |
252 | | static void MissingRequired(TIFF *, const char *); |
253 | | static int CheckDirCount(TIFF *, TIFFDirEntry *, uint32_t); |
254 | | static uint16_t TIFFFetchDirectory(TIFF *tif, uint64_t diroff, |
255 | | TIFFDirEntry **pdir, uint64_t *nextdiroff); |
256 | | static int TIFFFetchNormalTag(TIFF *, TIFFDirEntry *, int recover); |
257 | | static int TIFFFetchStripThing(TIFF *tif, TIFFDirEntry *dir, uint32_t nstrips, |
258 | | uint64_t **lpp); |
259 | | static int TIFFFetchSubjectDistance(TIFF *, TIFFDirEntry *); |
260 | | static void ChopUpSingleUncompressedStrip(TIFF *); |
261 | | static void TryChopUpUncompressedBigTiff(TIFF *); |
262 | | static uint64_t TIFFReadUInt64(const uint8_t *value); |
263 | | static int _TIFFGetMaxColorChannels(uint16_t photometric); |
264 | | |
265 | | static int _TIFFFillStrilesInternal(TIFF *tif, int loadStripByteCount); |
266 | | |
267 | | typedef union _UInt64Aligned_t |
268 | | { |
269 | | double d; |
270 | | uint64_t l; |
271 | | uint32_t i[2]; |
272 | | uint16_t s[4]; |
273 | | uint8_t c[8]; |
274 | | } UInt64Aligned_t; |
275 | | |
276 | | /* |
277 | | Unaligned safe copy of a uint64_t value from an octet array. |
278 | | */ |
279 | | static uint64_t TIFFReadUInt64(const uint8_t *value) |
280 | 12.6k | { |
281 | 12.6k | UInt64Aligned_t result; |
282 | | |
283 | 12.6k | result.c[0] = value[0]; |
284 | 12.6k | result.c[1] = value[1]; |
285 | 12.6k | result.c[2] = value[2]; |
286 | 12.6k | result.c[3] = value[3]; |
287 | 12.6k | result.c[4] = value[4]; |
288 | 12.6k | result.c[5] = value[5]; |
289 | 12.6k | result.c[6] = value[6]; |
290 | 12.6k | result.c[7] = value[7]; |
291 | | |
292 | 12.6k | return result.l; |
293 | 12.6k | } |
294 | | |
295 | | static enum TIFFReadDirEntryErr |
296 | | TIFFReadDirEntryByte(TIFF *tif, TIFFDirEntry *direntry, uint8_t *value) |
297 | 7 | { |
298 | 7 | enum TIFFReadDirEntryErr err; |
299 | 7 | if (direntry->tdir_count != 1) |
300 | 7 | return (TIFFReadDirEntryErrCount); |
301 | 0 | switch (direntry->tdir_type) |
302 | 0 | { |
303 | 0 | case TIFF_BYTE: |
304 | 0 | case TIFF_UNDEFINED: /* Support to read TIFF_UNDEFINED with |
305 | | field_readcount==1 */ |
306 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, value); |
307 | 0 | return (TIFFReadDirEntryErrOk); |
308 | 0 | case TIFF_SBYTE: |
309 | 0 | { |
310 | 0 | int8_t m; |
311 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
312 | 0 | err = TIFFReadDirEntryCheckRangeByteSbyte(m); |
313 | 0 | if (err != TIFFReadDirEntryErrOk) |
314 | 0 | return (err); |
315 | 0 | *value = (uint8_t)m; |
316 | 0 | return (TIFFReadDirEntryErrOk); |
317 | 0 | } |
318 | 0 | case TIFF_SHORT: |
319 | 0 | { |
320 | 0 | uint16_t m; |
321 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
322 | 0 | err = TIFFReadDirEntryCheckRangeByteShort(m); |
323 | 0 | if (err != TIFFReadDirEntryErrOk) |
324 | 0 | return (err); |
325 | 0 | *value = (uint8_t)m; |
326 | 0 | return (TIFFReadDirEntryErrOk); |
327 | 0 | } |
328 | 0 | case TIFF_SSHORT: |
329 | 0 | { |
330 | 0 | int16_t m; |
331 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
332 | 0 | err = TIFFReadDirEntryCheckRangeByteSshort(m); |
333 | 0 | if (err != TIFFReadDirEntryErrOk) |
334 | 0 | return (err); |
335 | 0 | *value = (uint8_t)m; |
336 | 0 | return (TIFFReadDirEntryErrOk); |
337 | 0 | } |
338 | 0 | case TIFF_LONG: |
339 | 0 | { |
340 | 0 | uint32_t m; |
341 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
342 | 0 | err = TIFFReadDirEntryCheckRangeByteLong(m); |
343 | 0 | if (err != TIFFReadDirEntryErrOk) |
344 | 0 | return (err); |
345 | 0 | *value = (uint8_t)m; |
346 | 0 | return (TIFFReadDirEntryErrOk); |
347 | 0 | } |
348 | 0 | case TIFF_SLONG: |
349 | 0 | { |
350 | 0 | int32_t m; |
351 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
352 | 0 | err = TIFFReadDirEntryCheckRangeByteSlong(m); |
353 | 0 | if (err != TIFFReadDirEntryErrOk) |
354 | 0 | return (err); |
355 | 0 | *value = (uint8_t)m; |
356 | 0 | return (TIFFReadDirEntryErrOk); |
357 | 0 | } |
358 | 0 | case TIFF_LONG8: |
359 | 0 | { |
360 | 0 | uint64_t m; |
361 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
362 | 0 | if (err != TIFFReadDirEntryErrOk) |
363 | 0 | return (err); |
364 | 0 | err = TIFFReadDirEntryCheckRangeByteLong8(m); |
365 | 0 | if (err != TIFFReadDirEntryErrOk) |
366 | 0 | return (err); |
367 | 0 | *value = (uint8_t)m; |
368 | 0 | return (TIFFReadDirEntryErrOk); |
369 | 0 | } |
370 | 0 | case TIFF_SLONG8: |
371 | 0 | { |
372 | 0 | int64_t m; |
373 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
374 | 0 | if (err != TIFFReadDirEntryErrOk) |
375 | 0 | return (err); |
376 | 0 | err = TIFFReadDirEntryCheckRangeByteSlong8(m); |
377 | 0 | if (err != TIFFReadDirEntryErrOk) |
378 | 0 | return (err); |
379 | 0 | *value = (uint8_t)m; |
380 | 0 | return (TIFFReadDirEntryErrOk); |
381 | 0 | } |
382 | 0 | default: |
383 | 0 | return (TIFFReadDirEntryErrType); |
384 | 0 | } |
385 | 0 | } |
386 | | |
387 | | static enum TIFFReadDirEntryErr |
388 | | TIFFReadDirEntrySbyte(TIFF *tif, TIFFDirEntry *direntry, int8_t *value) |
389 | 0 | { |
390 | 0 | enum TIFFReadDirEntryErr err; |
391 | 0 | if (direntry->tdir_count != 1) |
392 | 0 | return (TIFFReadDirEntryErrCount); |
393 | 0 | switch (direntry->tdir_type) |
394 | 0 | { |
395 | 0 | case TIFF_BYTE: |
396 | 0 | case TIFF_UNDEFINED: /* Support to read TIFF_UNDEFINED with |
397 | | field_readcount==1 */ |
398 | 0 | { |
399 | 0 | uint8_t m; |
400 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
401 | 0 | err = TIFFReadDirEntryCheckRangeSbyteByte(m); |
402 | 0 | if (err != TIFFReadDirEntryErrOk) |
403 | 0 | return (err); |
404 | 0 | *value = (int8_t)m; |
405 | 0 | return (TIFFReadDirEntryErrOk); |
406 | 0 | } |
407 | 0 | case TIFF_SBYTE: |
408 | 0 | { |
409 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, value); |
410 | 0 | return (TIFFReadDirEntryErrOk); |
411 | 0 | } |
412 | 0 | case TIFF_SHORT: |
413 | 0 | { |
414 | 0 | uint16_t m; |
415 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
416 | 0 | err = TIFFReadDirEntryCheckRangeSbyteShort(m); |
417 | 0 | if (err != TIFFReadDirEntryErrOk) |
418 | 0 | return (err); |
419 | 0 | *value = (int8_t)m; |
420 | 0 | return (TIFFReadDirEntryErrOk); |
421 | 0 | } |
422 | 0 | case TIFF_SSHORT: |
423 | 0 | { |
424 | 0 | int16_t m; |
425 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
426 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSshort(m); |
427 | 0 | if (err != TIFFReadDirEntryErrOk) |
428 | 0 | return (err); |
429 | 0 | *value = (int8_t)m; |
430 | 0 | return (TIFFReadDirEntryErrOk); |
431 | 0 | } |
432 | 0 | case TIFF_LONG: |
433 | 0 | { |
434 | 0 | uint32_t m; |
435 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
436 | 0 | err = TIFFReadDirEntryCheckRangeSbyteLong(m); |
437 | 0 | if (err != TIFFReadDirEntryErrOk) |
438 | 0 | return (err); |
439 | 0 | *value = (int8_t)m; |
440 | 0 | return (TIFFReadDirEntryErrOk); |
441 | 0 | } |
442 | 0 | case TIFF_SLONG: |
443 | 0 | { |
444 | 0 | int32_t m; |
445 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
446 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSlong(m); |
447 | 0 | if (err != TIFFReadDirEntryErrOk) |
448 | 0 | return (err); |
449 | 0 | *value = (int8_t)m; |
450 | 0 | return (TIFFReadDirEntryErrOk); |
451 | 0 | } |
452 | 0 | case TIFF_LONG8: |
453 | 0 | { |
454 | 0 | uint64_t m; |
455 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
456 | 0 | if (err != TIFFReadDirEntryErrOk) |
457 | 0 | return (err); |
458 | 0 | err = TIFFReadDirEntryCheckRangeSbyteLong8(m); |
459 | 0 | if (err != TIFFReadDirEntryErrOk) |
460 | 0 | return (err); |
461 | 0 | *value = (int8_t)m; |
462 | 0 | return (TIFFReadDirEntryErrOk); |
463 | 0 | } |
464 | 0 | case TIFF_SLONG8: |
465 | 0 | { |
466 | 0 | int64_t m; |
467 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
468 | 0 | if (err != TIFFReadDirEntryErrOk) |
469 | 0 | return (err); |
470 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSlong8(m); |
471 | 0 | if (err != TIFFReadDirEntryErrOk) |
472 | 0 | return (err); |
473 | 0 | *value = (int8_t)m; |
474 | 0 | return (TIFFReadDirEntryErrOk); |
475 | 0 | } |
476 | 0 | default: |
477 | 0 | return (TIFFReadDirEntryErrType); |
478 | 0 | } |
479 | 0 | } /*-- TIFFReadDirEntrySbyte() --*/ |
480 | | |
481 | | static enum TIFFReadDirEntryErr |
482 | | TIFFReadDirEntryShort(TIFF *tif, TIFFDirEntry *direntry, uint16_t *value) |
483 | 6.96k | { |
484 | 6.96k | enum TIFFReadDirEntryErr err; |
485 | 6.96k | if (direntry->tdir_count != 1) |
486 | 737 | return (TIFFReadDirEntryErrCount); |
487 | 6.22k | switch (direntry->tdir_type) |
488 | 6.22k | { |
489 | 95 | case TIFF_BYTE: |
490 | 95 | { |
491 | 95 | uint8_t m; |
492 | 95 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
493 | 95 | *value = (uint16_t)m; |
494 | 95 | return (TIFFReadDirEntryErrOk); |
495 | 0 | } |
496 | 65 | case TIFF_SBYTE: |
497 | 65 | { |
498 | 65 | int8_t m; |
499 | 65 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
500 | 65 | err = TIFFReadDirEntryCheckRangeShortSbyte(m); |
501 | 65 | if (err != TIFFReadDirEntryErrOk) |
502 | 0 | return (err); |
503 | 65 | *value = (uint16_t)m; |
504 | 65 | return (TIFFReadDirEntryErrOk); |
505 | 65 | } |
506 | 5.95k | case TIFF_SHORT: |
507 | 5.95k | TIFFReadDirEntryCheckedShort(tif, direntry, value); |
508 | 5.95k | return (TIFFReadDirEntryErrOk); |
509 | 29 | case TIFF_SSHORT: |
510 | 29 | { |
511 | 29 | int16_t m; |
512 | 29 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
513 | 29 | err = TIFFReadDirEntryCheckRangeShortSshort(m); |
514 | 29 | if (err != TIFFReadDirEntryErrOk) |
515 | 0 | return (err); |
516 | 29 | *value = (uint16_t)m; |
517 | 29 | return (TIFFReadDirEntryErrOk); |
518 | 29 | } |
519 | 11 | case TIFF_LONG: |
520 | 11 | { |
521 | 11 | uint32_t m; |
522 | 11 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
523 | 11 | err = TIFFReadDirEntryCheckRangeShortLong(m); |
524 | 11 | if (err != TIFFReadDirEntryErrOk) |
525 | 0 | return (err); |
526 | 11 | *value = (uint16_t)m; |
527 | 11 | return (TIFFReadDirEntryErrOk); |
528 | 11 | } |
529 | 3 | case TIFF_SLONG: |
530 | 3 | { |
531 | 3 | int32_t m; |
532 | 3 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
533 | 3 | err = TIFFReadDirEntryCheckRangeShortSlong(m); |
534 | 3 | if (err != TIFFReadDirEntryErrOk) |
535 | 0 | return (err); |
536 | 3 | *value = (uint16_t)m; |
537 | 3 | return (TIFFReadDirEntryErrOk); |
538 | 3 | } |
539 | 0 | case TIFF_LONG8: |
540 | 0 | { |
541 | 0 | uint64_t m; |
542 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
543 | 0 | if (err != TIFFReadDirEntryErrOk) |
544 | 0 | return (err); |
545 | 0 | err = TIFFReadDirEntryCheckRangeShortLong8(m); |
546 | 0 | if (err != TIFFReadDirEntryErrOk) |
547 | 0 | return (err); |
548 | 0 | *value = (uint16_t)m; |
549 | 0 | return (TIFFReadDirEntryErrOk); |
550 | 0 | } |
551 | 0 | case TIFF_SLONG8: |
552 | 0 | { |
553 | 0 | int64_t m; |
554 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
555 | 0 | if (err != TIFFReadDirEntryErrOk) |
556 | 0 | return (err); |
557 | 0 | err = TIFFReadDirEntryCheckRangeShortSlong8(m); |
558 | 0 | if (err != TIFFReadDirEntryErrOk) |
559 | 0 | return (err); |
560 | 0 | *value = (uint16_t)m; |
561 | 0 | return (TIFFReadDirEntryErrOk); |
562 | 0 | } |
563 | 67 | default: |
564 | 67 | return (TIFFReadDirEntryErrType); |
565 | 6.22k | } |
566 | 6.22k | } /*-- TIFFReadDirEntryShort() --*/ |
567 | | |
568 | | static enum TIFFReadDirEntryErr |
569 | | TIFFReadDirEntrySshort(TIFF *tif, TIFFDirEntry *direntry, int16_t *value) |
570 | 0 | { |
571 | 0 | enum TIFFReadDirEntryErr err; |
572 | 0 | if (direntry->tdir_count != 1) |
573 | 0 | return (TIFFReadDirEntryErrCount); |
574 | 0 | switch (direntry->tdir_type) |
575 | 0 | { |
576 | 0 | case TIFF_BYTE: |
577 | 0 | { |
578 | 0 | uint8_t m; |
579 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
580 | 0 | *value = (int16_t)m; |
581 | 0 | return (TIFFReadDirEntryErrOk); |
582 | 0 | } |
583 | 0 | case TIFF_SBYTE: |
584 | 0 | { |
585 | 0 | int8_t m; |
586 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
587 | 0 | *value = (int16_t)m; |
588 | 0 | return (TIFFReadDirEntryErrOk); |
589 | 0 | } |
590 | 0 | case TIFF_SHORT: |
591 | 0 | { |
592 | 0 | uint16_t m; |
593 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
594 | 0 | err = TIFFReadDirEntryCheckRangeSshortShort(m); |
595 | 0 | if (err != TIFFReadDirEntryErrOk) |
596 | 0 | return (err); |
597 | 0 | *value = (uint16_t)m; |
598 | 0 | return (TIFFReadDirEntryErrOk); |
599 | 0 | } |
600 | 0 | case TIFF_SSHORT: |
601 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, value); |
602 | 0 | return (TIFFReadDirEntryErrOk); |
603 | 0 | case TIFF_LONG: |
604 | 0 | { |
605 | 0 | uint32_t m; |
606 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
607 | 0 | err = TIFFReadDirEntryCheckRangeSshortLong(m); |
608 | 0 | if (err != TIFFReadDirEntryErrOk) |
609 | 0 | return (err); |
610 | 0 | *value = (int16_t)m; |
611 | 0 | return (TIFFReadDirEntryErrOk); |
612 | 0 | } |
613 | 0 | case TIFF_SLONG: |
614 | 0 | { |
615 | 0 | int32_t m; |
616 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
617 | 0 | err = TIFFReadDirEntryCheckRangeSshortSlong(m); |
618 | 0 | if (err != TIFFReadDirEntryErrOk) |
619 | 0 | return (err); |
620 | 0 | *value = (int16_t)m; |
621 | 0 | return (TIFFReadDirEntryErrOk); |
622 | 0 | } |
623 | 0 | case TIFF_LONG8: |
624 | 0 | { |
625 | 0 | uint64_t m; |
626 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
627 | 0 | if (err != TIFFReadDirEntryErrOk) |
628 | 0 | return (err); |
629 | 0 | err = TIFFReadDirEntryCheckRangeSshortLong8(m); |
630 | 0 | if (err != TIFFReadDirEntryErrOk) |
631 | 0 | return (err); |
632 | 0 | *value = (int16_t)m; |
633 | 0 | return (TIFFReadDirEntryErrOk); |
634 | 0 | } |
635 | 0 | case TIFF_SLONG8: |
636 | 0 | { |
637 | 0 | int64_t m; |
638 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
639 | 0 | if (err != TIFFReadDirEntryErrOk) |
640 | 0 | return (err); |
641 | 0 | err = TIFFReadDirEntryCheckRangeSshortSlong8(m); |
642 | 0 | if (err != TIFFReadDirEntryErrOk) |
643 | 0 | return (err); |
644 | 0 | *value = (int16_t)m; |
645 | 0 | return (TIFFReadDirEntryErrOk); |
646 | 0 | } |
647 | 0 | default: |
648 | 0 | return (TIFFReadDirEntryErrType); |
649 | 0 | } |
650 | 0 | } /*-- TIFFReadDirEntrySshort() --*/ |
651 | | |
652 | | static enum TIFFReadDirEntryErr |
653 | | TIFFReadDirEntryLong(TIFF *tif, TIFFDirEntry *direntry, uint32_t *value) |
654 | 5.20k | { |
655 | 5.20k | enum TIFFReadDirEntryErr err; |
656 | 5.20k | if (direntry->tdir_count != 1) |
657 | 327 | return (TIFFReadDirEntryErrCount); |
658 | 4.87k | switch (direntry->tdir_type) |
659 | 4.87k | { |
660 | 382 | case TIFF_BYTE: |
661 | 382 | { |
662 | 382 | uint8_t m; |
663 | 382 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
664 | 382 | *value = (uint32_t)m; |
665 | 382 | return (TIFFReadDirEntryErrOk); |
666 | 0 | } |
667 | 10 | case TIFF_SBYTE: |
668 | 10 | { |
669 | 10 | int8_t m; |
670 | 10 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
671 | 10 | err = TIFFReadDirEntryCheckRangeLongSbyte(m); |
672 | 10 | if (err != TIFFReadDirEntryErrOk) |
673 | 0 | return (err); |
674 | 10 | *value = (uint32_t)m; |
675 | 10 | return (TIFFReadDirEntryErrOk); |
676 | 10 | } |
677 | 4.05k | case TIFF_SHORT: |
678 | 4.05k | { |
679 | 4.05k | uint16_t m; |
680 | 4.05k | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
681 | 4.05k | *value = (uint32_t)m; |
682 | 4.05k | return (TIFFReadDirEntryErrOk); |
683 | 10 | } |
684 | 3 | case TIFF_SSHORT: |
685 | 3 | { |
686 | 3 | int16_t m; |
687 | 3 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
688 | 3 | err = TIFFReadDirEntryCheckRangeLongSshort(m); |
689 | 3 | if (err != TIFFReadDirEntryErrOk) |
690 | 0 | return (err); |
691 | 3 | *value = (uint32_t)m; |
692 | 3 | return (TIFFReadDirEntryErrOk); |
693 | 3 | } |
694 | 391 | case TIFF_LONG: |
695 | 391 | TIFFReadDirEntryCheckedLong(tif, direntry, value); |
696 | 391 | return (TIFFReadDirEntryErrOk); |
697 | 7 | case TIFF_SLONG: |
698 | 7 | { |
699 | 7 | int32_t m; |
700 | 7 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
701 | 7 | err = TIFFReadDirEntryCheckRangeLongSlong(m); |
702 | 7 | if (err != TIFFReadDirEntryErrOk) |
703 | 0 | return (err); |
704 | 7 | *value = (uint32_t)m; |
705 | 7 | return (TIFFReadDirEntryErrOk); |
706 | 7 | } |
707 | 16 | case TIFF_LONG8: |
708 | 16 | { |
709 | 16 | uint64_t m; |
710 | 16 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
711 | 16 | if (err != TIFFReadDirEntryErrOk) |
712 | 0 | return (err); |
713 | 16 | err = TIFFReadDirEntryCheckRangeLongLong8(m); |
714 | 16 | if (err != TIFFReadDirEntryErrOk) |
715 | 1 | return (err); |
716 | 15 | *value = (uint32_t)m; |
717 | 15 | return (TIFFReadDirEntryErrOk); |
718 | 16 | } |
719 | 4 | case TIFF_SLONG8: |
720 | 4 | { |
721 | 4 | int64_t m; |
722 | 4 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
723 | 4 | if (err != TIFFReadDirEntryErrOk) |
724 | 3 | return (err); |
725 | 1 | err = TIFFReadDirEntryCheckRangeLongSlong8(m); |
726 | 1 | if (err != TIFFReadDirEntryErrOk) |
727 | 1 | return (err); |
728 | 0 | *value = (uint32_t)m; |
729 | 0 | return (TIFFReadDirEntryErrOk); |
730 | 1 | } |
731 | 8 | default: |
732 | 8 | return (TIFFReadDirEntryErrType); |
733 | 4.87k | } |
734 | 4.87k | } /*-- TIFFReadDirEntryLong() --*/ |
735 | | |
736 | | static enum TIFFReadDirEntryErr |
737 | | TIFFReadDirEntrySlong(TIFF *tif, TIFFDirEntry *direntry, int32_t *value) |
738 | 0 | { |
739 | 0 | enum TIFFReadDirEntryErr err; |
740 | 0 | if (direntry->tdir_count != 1) |
741 | 0 | return (TIFFReadDirEntryErrCount); |
742 | 0 | switch (direntry->tdir_type) |
743 | 0 | { |
744 | 0 | case TIFF_BYTE: |
745 | 0 | { |
746 | 0 | uint8_t m; |
747 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
748 | 0 | *value = (int32_t)m; |
749 | 0 | return (TIFFReadDirEntryErrOk); |
750 | 0 | } |
751 | 0 | case TIFF_SBYTE: |
752 | 0 | { |
753 | 0 | int8_t m; |
754 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
755 | 0 | *value = (int32_t)m; |
756 | 0 | return (TIFFReadDirEntryErrOk); |
757 | 0 | } |
758 | 0 | case TIFF_SHORT: |
759 | 0 | { |
760 | 0 | uint16_t m; |
761 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
762 | 0 | *value = (int32_t)m; |
763 | 0 | return (TIFFReadDirEntryErrOk); |
764 | 0 | } |
765 | 0 | case TIFF_SSHORT: |
766 | 0 | { |
767 | 0 | int16_t m; |
768 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
769 | 0 | *value = (int32_t)m; |
770 | 0 | return (TIFFReadDirEntryErrOk); |
771 | 0 | } |
772 | 0 | case TIFF_LONG: |
773 | 0 | { |
774 | 0 | uint32_t m; |
775 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
776 | 0 | err = TIFFReadDirEntryCheckRangeSlongLong(m); |
777 | 0 | if (err != TIFFReadDirEntryErrOk) |
778 | 0 | return (err); |
779 | 0 | *value = (int32_t)m; |
780 | 0 | return (TIFFReadDirEntryErrOk); |
781 | 0 | } |
782 | 0 | case TIFF_SLONG: |
783 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, value); |
784 | 0 | return (TIFFReadDirEntryErrOk); |
785 | 0 | case TIFF_LONG8: |
786 | 0 | { |
787 | 0 | uint64_t m; |
788 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
789 | 0 | if (err != TIFFReadDirEntryErrOk) |
790 | 0 | return (err); |
791 | 0 | err = TIFFReadDirEntryCheckRangeSlongLong8(m); |
792 | 0 | if (err != TIFFReadDirEntryErrOk) |
793 | 0 | return (err); |
794 | 0 | *value = (int32_t)m; |
795 | 0 | return (TIFFReadDirEntryErrOk); |
796 | 0 | } |
797 | 0 | case TIFF_SLONG8: |
798 | 0 | { |
799 | 0 | int64_t m; |
800 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
801 | 0 | if (err != TIFFReadDirEntryErrOk) |
802 | 0 | return (err); |
803 | 0 | err = TIFFReadDirEntryCheckRangeSlongSlong8(m); |
804 | 0 | if (err != TIFFReadDirEntryErrOk) |
805 | 0 | return (err); |
806 | 0 | *value = (int32_t)m; |
807 | 0 | return (TIFFReadDirEntryErrOk); |
808 | 0 | } |
809 | 0 | default: |
810 | 0 | return (TIFFReadDirEntryErrType); |
811 | 0 | } |
812 | 0 | } /*-- TIFFReadDirEntrySlong() --*/ |
813 | | |
814 | | static enum TIFFReadDirEntryErr |
815 | | TIFFReadDirEntryLong8(TIFF *tif, TIFFDirEntry *direntry, uint64_t *value) |
816 | 0 | { |
817 | 0 | enum TIFFReadDirEntryErr err; |
818 | 0 | if (direntry->tdir_count != 1) |
819 | 0 | return (TIFFReadDirEntryErrCount); |
820 | 0 | switch (direntry->tdir_type) |
821 | 0 | { |
822 | 0 | case TIFF_BYTE: |
823 | 0 | { |
824 | 0 | uint8_t m; |
825 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
826 | 0 | *value = (uint64_t)m; |
827 | 0 | return (TIFFReadDirEntryErrOk); |
828 | 0 | } |
829 | 0 | case TIFF_SBYTE: |
830 | 0 | { |
831 | 0 | int8_t m; |
832 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
833 | 0 | err = TIFFReadDirEntryCheckRangeLong8Sbyte(m); |
834 | 0 | if (err != TIFFReadDirEntryErrOk) |
835 | 0 | return (err); |
836 | 0 | *value = (uint64_t)m; |
837 | 0 | return (TIFFReadDirEntryErrOk); |
838 | 0 | } |
839 | 0 | case TIFF_SHORT: |
840 | 0 | { |
841 | 0 | uint16_t m; |
842 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
843 | 0 | *value = (uint64_t)m; |
844 | 0 | return (TIFFReadDirEntryErrOk); |
845 | 0 | } |
846 | 0 | case TIFF_SSHORT: |
847 | 0 | { |
848 | 0 | int16_t m; |
849 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
850 | 0 | err = TIFFReadDirEntryCheckRangeLong8Sshort(m); |
851 | 0 | if (err != TIFFReadDirEntryErrOk) |
852 | 0 | return (err); |
853 | 0 | *value = (uint64_t)m; |
854 | 0 | return (TIFFReadDirEntryErrOk); |
855 | 0 | } |
856 | 0 | case TIFF_LONG: |
857 | 0 | { |
858 | 0 | uint32_t m; |
859 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
860 | 0 | *value = (uint64_t)m; |
861 | 0 | return (TIFFReadDirEntryErrOk); |
862 | 0 | } |
863 | 0 | case TIFF_SLONG: |
864 | 0 | { |
865 | 0 | int32_t m; |
866 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
867 | 0 | err = TIFFReadDirEntryCheckRangeLong8Slong(m); |
868 | 0 | if (err != TIFFReadDirEntryErrOk) |
869 | 0 | return (err); |
870 | 0 | *value = (uint64_t)m; |
871 | 0 | return (TIFFReadDirEntryErrOk); |
872 | 0 | } |
873 | 0 | case TIFF_LONG8: |
874 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, value); |
875 | 0 | return (err); |
876 | 0 | case TIFF_SLONG8: |
877 | 0 | { |
878 | 0 | int64_t m; |
879 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
880 | 0 | if (err != TIFFReadDirEntryErrOk) |
881 | 0 | return (err); |
882 | 0 | err = TIFFReadDirEntryCheckRangeLong8Slong8(m); |
883 | 0 | if (err != TIFFReadDirEntryErrOk) |
884 | 0 | return (err); |
885 | 0 | *value = (uint64_t)m; |
886 | 0 | return (TIFFReadDirEntryErrOk); |
887 | 0 | } |
888 | 0 | default: |
889 | 0 | return (TIFFReadDirEntryErrType); |
890 | 0 | } |
891 | 0 | } /*-- TIFFReadDirEntryLong8() --*/ |
892 | | |
893 | | static enum TIFFReadDirEntryErr |
894 | | TIFFReadDirEntrySlong8(TIFF *tif, TIFFDirEntry *direntry, int64_t *value) |
895 | 0 | { |
896 | 0 | enum TIFFReadDirEntryErr err; |
897 | 0 | if (direntry->tdir_count != 1) |
898 | 0 | return (TIFFReadDirEntryErrCount); |
899 | 0 | switch (direntry->tdir_type) |
900 | 0 | { |
901 | 0 | case TIFF_BYTE: |
902 | 0 | { |
903 | 0 | uint8_t m; |
904 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
905 | 0 | *value = (int64_t)m; |
906 | 0 | return (TIFFReadDirEntryErrOk); |
907 | 0 | } |
908 | 0 | case TIFF_SBYTE: |
909 | 0 | { |
910 | 0 | int8_t m; |
911 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
912 | 0 | *value = (int64_t)m; |
913 | 0 | return (TIFFReadDirEntryErrOk); |
914 | 0 | } |
915 | 0 | case TIFF_SHORT: |
916 | 0 | { |
917 | 0 | uint16_t m; |
918 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
919 | 0 | *value = (int64_t)m; |
920 | 0 | return (TIFFReadDirEntryErrOk); |
921 | 0 | } |
922 | 0 | case TIFF_SSHORT: |
923 | 0 | { |
924 | 0 | int16_t m; |
925 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
926 | 0 | *value = (int64_t)m; |
927 | 0 | return (TIFFReadDirEntryErrOk); |
928 | 0 | } |
929 | 0 | case TIFF_LONG: |
930 | 0 | { |
931 | 0 | uint32_t m; |
932 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
933 | 0 | *value = (int64_t)m; |
934 | 0 | return (TIFFReadDirEntryErrOk); |
935 | 0 | } |
936 | 0 | case TIFF_SLONG: |
937 | 0 | { |
938 | 0 | int32_t m; |
939 | 0 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
940 | 0 | *value = (int64_t)m; |
941 | 0 | return (TIFFReadDirEntryErrOk); |
942 | 0 | } |
943 | 0 | case TIFF_LONG8: |
944 | 0 | { |
945 | 0 | uint64_t m; |
946 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
947 | 0 | if (err != TIFFReadDirEntryErrOk) |
948 | 0 | return (err); |
949 | 0 | err = TIFFReadDirEntryCheckRangeSlong8Long8(m); |
950 | 0 | if (err != TIFFReadDirEntryErrOk) |
951 | 0 | return (err); |
952 | 0 | *value = (int64_t)m; |
953 | 0 | return (TIFFReadDirEntryErrOk); |
954 | 0 | } |
955 | 0 | case TIFF_SLONG8: |
956 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, value); |
957 | 0 | return (err); |
958 | 0 | default: |
959 | 0 | return (TIFFReadDirEntryErrType); |
960 | 0 | } |
961 | 0 | } /*-- TIFFReadDirEntrySlong8() --*/ |
962 | | |
963 | | static enum TIFFReadDirEntryErr |
964 | | TIFFReadDirEntryFloat(TIFF *tif, TIFFDirEntry *direntry, float *value) |
965 | 612 | { |
966 | 612 | enum TIFFReadDirEntryErr err; |
967 | 612 | if (direntry->tdir_count != 1) |
968 | 233 | return (TIFFReadDirEntryErrCount); |
969 | 379 | switch (direntry->tdir_type) |
970 | 379 | { |
971 | 2 | case TIFF_BYTE: |
972 | 2 | { |
973 | 2 | uint8_t m; |
974 | 2 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
975 | 2 | *value = (float)m; |
976 | 2 | return (TIFFReadDirEntryErrOk); |
977 | 0 | } |
978 | 0 | case TIFF_SBYTE: |
979 | 0 | { |
980 | 0 | int8_t m; |
981 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
982 | 0 | *value = (float)m; |
983 | 0 | return (TIFFReadDirEntryErrOk); |
984 | 0 | } |
985 | 58 | case TIFF_SHORT: |
986 | 58 | { |
987 | 58 | uint16_t m; |
988 | 58 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
989 | 58 | *value = (float)m; |
990 | 58 | return (TIFFReadDirEntryErrOk); |
991 | 0 | } |
992 | 0 | case TIFF_SSHORT: |
993 | 0 | { |
994 | 0 | int16_t m; |
995 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
996 | 0 | *value = (float)m; |
997 | 0 | return (TIFFReadDirEntryErrOk); |
998 | 0 | } |
999 | 31 | case TIFF_LONG: |
1000 | 31 | { |
1001 | 31 | uint32_t m; |
1002 | 31 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
1003 | 31 | *value = (float)m; |
1004 | 31 | return (TIFFReadDirEntryErrOk); |
1005 | 0 | } |
1006 | 14 | case TIFF_SLONG: |
1007 | 14 | { |
1008 | 14 | int32_t m; |
1009 | 14 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
1010 | 14 | *value = (float)m; |
1011 | 14 | return (TIFFReadDirEntryErrOk); |
1012 | 0 | } |
1013 | 0 | case TIFF_LONG8: |
1014 | 0 | { |
1015 | 0 | uint64_t m; |
1016 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
1017 | 0 | if (err != TIFFReadDirEntryErrOk) |
1018 | 0 | return (err); |
1019 | | #if defined(__WIN32__) && (_MSC_VER < 1500) |
1020 | | /* |
1021 | | * XXX: MSVC 6.0 does not support conversion |
1022 | | * of 64-bit integers into floating point |
1023 | | * values. |
1024 | | */ |
1025 | | *value = _TIFFUInt64ToFloat(m); |
1026 | | #else |
1027 | 0 | *value = (float)m; |
1028 | 0 | #endif |
1029 | 0 | return (TIFFReadDirEntryErrOk); |
1030 | 0 | } |
1031 | 11 | case TIFF_SLONG8: |
1032 | 11 | { |
1033 | 11 | int64_t m; |
1034 | 11 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
1035 | 11 | if (err != TIFFReadDirEntryErrOk) |
1036 | 8 | return (err); |
1037 | 3 | *value = (float)m; |
1038 | 3 | return (TIFFReadDirEntryErrOk); |
1039 | 11 | } |
1040 | 189 | case TIFF_RATIONAL: |
1041 | 189 | { |
1042 | 189 | double m; |
1043 | 189 | err = TIFFReadDirEntryCheckedRational(tif, direntry, &m); |
1044 | 189 | if (err != TIFFReadDirEntryErrOk) |
1045 | 10 | return (err); |
1046 | 179 | *value = (float)m; |
1047 | 179 | return (TIFFReadDirEntryErrOk); |
1048 | 189 | } |
1049 | 17 | case TIFF_SRATIONAL: |
1050 | 17 | { |
1051 | 17 | double m; |
1052 | 17 | err = TIFFReadDirEntryCheckedSrational(tif, direntry, &m); |
1053 | 17 | if (err != TIFFReadDirEntryErrOk) |
1054 | 1 | return (err); |
1055 | 16 | *value = (float)m; |
1056 | 16 | return (TIFFReadDirEntryErrOk); |
1057 | 17 | } |
1058 | 0 | case TIFF_FLOAT: |
1059 | 0 | TIFFReadDirEntryCheckedFloat(tif, direntry, value); |
1060 | 0 | return (TIFFReadDirEntryErrOk); |
1061 | 5 | case TIFF_DOUBLE: |
1062 | 5 | { |
1063 | 5 | double m; |
1064 | 5 | err = TIFFReadDirEntryCheckedDouble(tif, direntry, &m); |
1065 | 5 | if (err != TIFFReadDirEntryErrOk) |
1066 | 3 | return (err); |
1067 | 2 | if ((m > FLT_MAX) || (m < -FLT_MAX)) |
1068 | 2 | return (TIFFReadDirEntryErrRange); |
1069 | 0 | *value = (float)m; |
1070 | 0 | return (TIFFReadDirEntryErrOk); |
1071 | 2 | } |
1072 | 52 | default: |
1073 | 52 | return (TIFFReadDirEntryErrType); |
1074 | 379 | } |
1075 | 379 | } |
1076 | | |
1077 | | static enum TIFFReadDirEntryErr |
1078 | | TIFFReadDirEntryDouble(TIFF *tif, TIFFDirEntry *direntry, double *value) |
1079 | 1 | { |
1080 | 1 | enum TIFFReadDirEntryErr err; |
1081 | 1 | if (direntry->tdir_count != 1) |
1082 | 0 | return (TIFFReadDirEntryErrCount); |
1083 | 1 | switch (direntry->tdir_type) |
1084 | 1 | { |
1085 | 0 | case TIFF_BYTE: |
1086 | 0 | { |
1087 | 0 | uint8_t m; |
1088 | 0 | TIFFReadDirEntryCheckedByte(tif, direntry, &m); |
1089 | 0 | *value = (double)m; |
1090 | 0 | return (TIFFReadDirEntryErrOk); |
1091 | 0 | } |
1092 | 0 | case TIFF_SBYTE: |
1093 | 0 | { |
1094 | 0 | int8_t m; |
1095 | 0 | TIFFReadDirEntryCheckedSbyte(tif, direntry, &m); |
1096 | 0 | *value = (double)m; |
1097 | 0 | return (TIFFReadDirEntryErrOk); |
1098 | 0 | } |
1099 | 0 | case TIFF_SHORT: |
1100 | 0 | { |
1101 | 0 | uint16_t m; |
1102 | 0 | TIFFReadDirEntryCheckedShort(tif, direntry, &m); |
1103 | 0 | *value = (double)m; |
1104 | 0 | return (TIFFReadDirEntryErrOk); |
1105 | 0 | } |
1106 | 0 | case TIFF_SSHORT: |
1107 | 0 | { |
1108 | 0 | int16_t m; |
1109 | 0 | TIFFReadDirEntryCheckedSshort(tif, direntry, &m); |
1110 | 0 | *value = (double)m; |
1111 | 0 | return (TIFFReadDirEntryErrOk); |
1112 | 0 | } |
1113 | 0 | case TIFF_LONG: |
1114 | 0 | { |
1115 | 0 | uint32_t m; |
1116 | 0 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
1117 | 0 | *value = (double)m; |
1118 | 0 | return (TIFFReadDirEntryErrOk); |
1119 | 0 | } |
1120 | 1 | case TIFF_SLONG: |
1121 | 1 | { |
1122 | 1 | int32_t m; |
1123 | 1 | TIFFReadDirEntryCheckedSlong(tif, direntry, &m); |
1124 | 1 | *value = (double)m; |
1125 | 1 | return (TIFFReadDirEntryErrOk); |
1126 | 0 | } |
1127 | 0 | case TIFF_LONG8: |
1128 | 0 | { |
1129 | 0 | uint64_t m; |
1130 | 0 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, &m); |
1131 | 0 | if (err != TIFFReadDirEntryErrOk) |
1132 | 0 | return (err); |
1133 | | #if defined(__WIN32__) && (_MSC_VER < 1500) |
1134 | | /* |
1135 | | * XXX: MSVC 6.0 does not support conversion |
1136 | | * of 64-bit integers into floating point |
1137 | | * values. |
1138 | | */ |
1139 | | *value = _TIFFUInt64ToDouble(m); |
1140 | | #else |
1141 | 0 | *value = (double)m; |
1142 | 0 | #endif |
1143 | 0 | return (TIFFReadDirEntryErrOk); |
1144 | 0 | } |
1145 | 0 | case TIFF_SLONG8: |
1146 | 0 | { |
1147 | 0 | int64_t m; |
1148 | 0 | err = TIFFReadDirEntryCheckedSlong8(tif, direntry, &m); |
1149 | 0 | if (err != TIFFReadDirEntryErrOk) |
1150 | 0 | return (err); |
1151 | 0 | *value = (double)m; |
1152 | 0 | return (TIFFReadDirEntryErrOk); |
1153 | 0 | } |
1154 | 0 | case TIFF_RATIONAL: |
1155 | 0 | err = TIFFReadDirEntryCheckedRational(tif, direntry, value); |
1156 | 0 | return (err); |
1157 | 0 | case TIFF_SRATIONAL: |
1158 | 0 | err = TIFFReadDirEntryCheckedSrational(tif, direntry, value); |
1159 | 0 | return (err); |
1160 | 0 | case TIFF_FLOAT: |
1161 | 0 | { |
1162 | 0 | float m; |
1163 | 0 | TIFFReadDirEntryCheckedFloat(tif, direntry, &m); |
1164 | 0 | *value = (double)m; |
1165 | 0 | return (TIFFReadDirEntryErrOk); |
1166 | 0 | } |
1167 | 0 | case TIFF_DOUBLE: |
1168 | 0 | err = TIFFReadDirEntryCheckedDouble(tif, direntry, value); |
1169 | 0 | return (err); |
1170 | 0 | default: |
1171 | 0 | return (TIFFReadDirEntryErrType); |
1172 | 1 | } |
1173 | 1 | } |
1174 | | |
1175 | | static enum TIFFReadDirEntryErr |
1176 | | TIFFReadDirEntryIfd8(TIFF *tif, TIFFDirEntry *direntry, uint64_t *value) |
1177 | 83 | { |
1178 | 83 | enum TIFFReadDirEntryErr err; |
1179 | 83 | if (direntry->tdir_count != 1) |
1180 | 29 | return (TIFFReadDirEntryErrCount); |
1181 | 54 | switch (direntry->tdir_type) |
1182 | 54 | { |
1183 | 53 | case TIFF_LONG: |
1184 | 53 | case TIFF_IFD: |
1185 | 53 | { |
1186 | 53 | uint32_t m; |
1187 | 53 | TIFFReadDirEntryCheckedLong(tif, direntry, &m); |
1188 | 53 | *value = (uint64_t)m; |
1189 | 53 | return (TIFFReadDirEntryErrOk); |
1190 | 53 | } |
1191 | 1 | case TIFF_LONG8: |
1192 | 1 | case TIFF_IFD8: |
1193 | 1 | err = TIFFReadDirEntryCheckedLong8(tif, direntry, value); |
1194 | 1 | return (err); |
1195 | 0 | default: |
1196 | 0 | return (TIFFReadDirEntryErrType); |
1197 | 54 | } |
1198 | 54 | } |
1199 | | |
1200 | 0 | #define INITIAL_THRESHOLD (1024 * 1024) |
1201 | 0 | #define THRESHOLD_MULTIPLIER 10 |
1202 | | #define MAX_THRESHOLD \ |
1203 | 0 | (THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * THRESHOLD_MULTIPLIER * \ |
1204 | 0 | INITIAL_THRESHOLD) |
1205 | | |
1206 | | static enum TIFFReadDirEntryErr TIFFReadDirEntryDataAndRealloc(TIFF *tif, |
1207 | | uint64_t offset, |
1208 | | tmsize_t size, |
1209 | | void **pdest) |
1210 | 0 | { |
1211 | 0 | #if SIZEOF_SIZE_T == 8 |
1212 | 0 | tmsize_t threshold = INITIAL_THRESHOLD; |
1213 | 0 | #endif |
1214 | 0 | tmsize_t already_read = 0; |
1215 | |
|
1216 | 0 | assert(!isMapped(tif)); |
1217 | |
|
1218 | 0 | if (!SeekOK(tif, offset)) |
1219 | 0 | return (TIFFReadDirEntryErrIo); |
1220 | | |
1221 | | /* On 64 bit processes, read first a maximum of 1 MB, then 10 MB, etc */ |
1222 | | /* so as to avoid allocating too much memory in case the file is too */ |
1223 | | /* short. We could ask for the file size, but this might be */ |
1224 | | /* expensive with some I/O layers (think of reading a gzipped file) */ |
1225 | | /* Restrict to 64 bit processes, so as to avoid reallocs() */ |
1226 | | /* on 32 bit processes where virtual memory is scarce. */ |
1227 | 0 | while (already_read < size) |
1228 | 0 | { |
1229 | 0 | void *new_dest; |
1230 | 0 | tmsize_t bytes_read; |
1231 | 0 | tmsize_t to_read = size - already_read; |
1232 | 0 | #if SIZEOF_SIZE_T == 8 |
1233 | 0 | if (to_read >= threshold && threshold < MAX_THRESHOLD) |
1234 | 0 | { |
1235 | 0 | to_read = threshold; |
1236 | 0 | threshold *= THRESHOLD_MULTIPLIER; |
1237 | 0 | } |
1238 | 0 | #endif |
1239 | |
|
1240 | 0 | new_dest = |
1241 | 0 | (uint8_t *)_TIFFreallocExt(tif, *pdest, already_read + to_read); |
1242 | 0 | if (new_dest == NULL) |
1243 | 0 | { |
1244 | 0 | TIFFErrorExtR(tif, tif->tif_name, |
1245 | 0 | "Failed to allocate memory for %s " |
1246 | 0 | "(%" TIFF_SSIZE_FORMAT |
1247 | 0 | " elements of %" TIFF_SSIZE_FORMAT " bytes each)", |
1248 | 0 | "TIFFReadDirEntryArray", (tmsize_t)1, |
1249 | 0 | already_read + to_read); |
1250 | 0 | return TIFFReadDirEntryErrAlloc; |
1251 | 0 | } |
1252 | 0 | *pdest = new_dest; |
1253 | |
|
1254 | 0 | bytes_read = TIFFReadFile(tif, (char *)*pdest + already_read, to_read); |
1255 | 0 | already_read += bytes_read; |
1256 | 0 | if (bytes_read != to_read) |
1257 | 0 | { |
1258 | 0 | return TIFFReadDirEntryErrIo; |
1259 | 0 | } |
1260 | 0 | } |
1261 | 0 | return TIFFReadDirEntryErrOk; |
1262 | 0 | } |
1263 | | |
1264 | | /* Caution: if raising that value, make sure int32 / uint32 overflows can't |
1265 | | * occur elsewhere */ |
1266 | 48.1k | #define MAX_SIZE_TAG_DATA 2147483647U |
1267 | | |
1268 | | static enum TIFFReadDirEntryErr |
1269 | | TIFFReadDirEntryArrayWithLimit(TIFF *tif, TIFFDirEntry *direntry, |
1270 | | uint32_t *count, uint32_t desttypesize, |
1271 | | void **value, uint64_t maxcount) |
1272 | 25.6k | { |
1273 | 25.6k | int typesize; |
1274 | 25.6k | uint32_t datasize; |
1275 | 25.6k | void *data; |
1276 | 25.6k | uint64_t target_count64; |
1277 | 25.6k | int original_datasize_clamped; |
1278 | 25.6k | typesize = TIFFDataWidth(direntry->tdir_type); |
1279 | | |
1280 | 25.6k | target_count64 = |
1281 | 25.6k | (direntry->tdir_count > maxcount) ? maxcount : direntry->tdir_count; |
1282 | | |
1283 | 25.6k | if ((target_count64 == 0) || (typesize == 0)) |
1284 | 778 | { |
1285 | 778 | *value = 0; |
1286 | 778 | return (TIFFReadDirEntryErrOk); |
1287 | 778 | } |
1288 | 24.8k | (void)desttypesize; |
1289 | | |
1290 | | /* We just want to know if the original tag size is more than 4 bytes |
1291 | | * (classic TIFF) or 8 bytes (BigTIFF) |
1292 | | */ |
1293 | 24.8k | original_datasize_clamped = |
1294 | 24.8k | ((direntry->tdir_count > 10) ? 10 : (int)direntry->tdir_count) * |
1295 | 24.8k | typesize; |
1296 | | |
1297 | | /* |
1298 | | * As a sanity check, make sure we have no more than a 2GB tag array |
1299 | | * in either the current data type or the dest data type. This also |
1300 | | * avoids problems with overflow of tmsize_t on 32bit systems. |
1301 | | */ |
1302 | 24.8k | if ((uint64_t)(MAX_SIZE_TAG_DATA / typesize) < target_count64) |
1303 | 1.65k | return (TIFFReadDirEntryErrSizesan); |
1304 | 23.2k | if ((uint64_t)(MAX_SIZE_TAG_DATA / desttypesize) < target_count64) |
1305 | 0 | return (TIFFReadDirEntryErrSizesan); |
1306 | | |
1307 | 23.2k | *count = (uint32_t)target_count64; |
1308 | 23.2k | datasize = (*count) * typesize; |
1309 | 23.2k | assert((tmsize_t)datasize > 0); |
1310 | | |
1311 | 23.2k | if (isMapped(tif) && datasize > (uint64_t)tif->tif_size) |
1312 | 12.6k | return TIFFReadDirEntryErrIo; |
1313 | | |
1314 | 10.5k | if (!isMapped(tif) && (((tif->tif_flags & TIFF_BIGTIFF) && datasize > 8) || |
1315 | 0 | (!(tif->tif_flags & TIFF_BIGTIFF) && datasize > 4))) |
1316 | 0 | { |
1317 | 0 | data = NULL; |
1318 | 0 | } |
1319 | 10.5k | else |
1320 | 10.5k | { |
1321 | 10.5k | data = _TIFFCheckMalloc(tif, *count, typesize, "ReadDirEntryArray"); |
1322 | 10.5k | if (data == 0) |
1323 | 0 | return (TIFFReadDirEntryErrAlloc); |
1324 | 10.5k | } |
1325 | 10.5k | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
1326 | 10.5k | { |
1327 | | /* Only the condition on original_datasize_clamped. The second |
1328 | | * one is implied, but Coverity Scan cannot see it. */ |
1329 | 10.5k | if (original_datasize_clamped <= 4 && datasize <= 4) |
1330 | 2.97k | _TIFFmemcpy(data, &direntry->tdir_offset, datasize); |
1331 | 7.53k | else |
1332 | 7.53k | { |
1333 | 7.53k | enum TIFFReadDirEntryErr err; |
1334 | 7.53k | uint32_t offset = direntry->tdir_offset.toff_long; |
1335 | 7.53k | if (tif->tif_flags & TIFF_SWAB) |
1336 | 857 | TIFFSwabLong(&offset); |
1337 | 7.53k | if (isMapped(tif)) |
1338 | 7.53k | err = TIFFReadDirEntryData(tif, (uint64_t)offset, |
1339 | 7.53k | (tmsize_t)datasize, data); |
1340 | 0 | else |
1341 | 0 | err = TIFFReadDirEntryDataAndRealloc(tif, (uint64_t)offset, |
1342 | 0 | (tmsize_t)datasize, &data); |
1343 | 7.53k | if (err != TIFFReadDirEntryErrOk) |
1344 | 1.61k | { |
1345 | 1.61k | _TIFFfreeExt(tif, data); |
1346 | 1.61k | return (err); |
1347 | 1.61k | } |
1348 | 7.53k | } |
1349 | 10.5k | } |
1350 | 22 | else |
1351 | 22 | { |
1352 | | /* See above comment for the Classic TIFF case */ |
1353 | 22 | if (original_datasize_clamped <= 8 && datasize <= 8) |
1354 | 7 | _TIFFmemcpy(data, &direntry->tdir_offset, datasize); |
1355 | 15 | else |
1356 | 15 | { |
1357 | 15 | enum TIFFReadDirEntryErr err; |
1358 | 15 | uint64_t offset = direntry->tdir_offset.toff_long8; |
1359 | 15 | if (tif->tif_flags & TIFF_SWAB) |
1360 | 5 | TIFFSwabLong8(&offset); |
1361 | 15 | if (isMapped(tif)) |
1362 | 15 | err = TIFFReadDirEntryData(tif, (uint64_t)offset, |
1363 | 15 | (tmsize_t)datasize, data); |
1364 | 0 | else |
1365 | 0 | err = TIFFReadDirEntryDataAndRealloc(tif, (uint64_t)offset, |
1366 | 0 | (tmsize_t)datasize, &data); |
1367 | 15 | if (err != TIFFReadDirEntryErrOk) |
1368 | 10 | { |
1369 | 10 | _TIFFfreeExt(tif, data); |
1370 | 10 | return (err); |
1371 | 10 | } |
1372 | 15 | } |
1373 | 22 | } |
1374 | 8.91k | *value = data; |
1375 | 8.91k | return (TIFFReadDirEntryErrOk); |
1376 | 10.5k | } |
1377 | | |
1378 | | static enum TIFFReadDirEntryErr |
1379 | | TIFFReadDirEntryArray(TIFF *tif, TIFFDirEntry *direntry, uint32_t *count, |
1380 | | uint32_t desttypesize, void **value) |
1381 | 22.7k | { |
1382 | 22.7k | return TIFFReadDirEntryArrayWithLimit(tif, direntry, count, desttypesize, |
1383 | 22.7k | value, ~((uint64_t)0)); |
1384 | 22.7k | } |
1385 | | |
1386 | | static enum TIFFReadDirEntryErr |
1387 | | TIFFReadDirEntryByteArray(TIFF *tif, TIFFDirEntry *direntry, uint8_t **value) |
1388 | 8.89k | { |
1389 | 8.89k | enum TIFFReadDirEntryErr err; |
1390 | 8.89k | uint32_t count; |
1391 | 8.89k | void *origdata; |
1392 | 8.89k | uint8_t *data; |
1393 | 8.89k | switch (direntry->tdir_type) |
1394 | 8.89k | { |
1395 | 4.51k | case TIFF_ASCII: |
1396 | 4.72k | case TIFF_UNDEFINED: |
1397 | 8.43k | case TIFF_BYTE: |
1398 | 8.44k | case TIFF_SBYTE: |
1399 | 8.53k | case TIFF_SHORT: |
1400 | 8.54k | case TIFF_SSHORT: |
1401 | 8.55k | case TIFF_LONG: |
1402 | 8.55k | case TIFF_SLONG: |
1403 | 8.56k | case TIFF_LONG8: |
1404 | 8.56k | case TIFF_SLONG8: |
1405 | 8.56k | break; |
1406 | 334 | default: |
1407 | 334 | return (TIFFReadDirEntryErrType); |
1408 | 8.89k | } |
1409 | 8.56k | err = TIFFReadDirEntryArray(tif, direntry, &count, 1, &origdata); |
1410 | 8.56k | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
1411 | 6.37k | { |
1412 | 6.37k | *value = 0; |
1413 | 6.37k | return (err); |
1414 | 6.37k | } |
1415 | 2.19k | switch (direntry->tdir_type) |
1416 | 2.19k | { |
1417 | 1.57k | case TIFF_ASCII: |
1418 | 1.69k | case TIFF_UNDEFINED: |
1419 | 2.10k | case TIFF_BYTE: |
1420 | 2.10k | *value = (uint8_t *)origdata; |
1421 | 2.10k | return (TIFFReadDirEntryErrOk); |
1422 | 4 | case TIFF_SBYTE: |
1423 | 4 | { |
1424 | 4 | int8_t *m; |
1425 | 4 | uint32_t n; |
1426 | 4 | m = (int8_t *)origdata; |
1427 | 32 | for (n = 0; n < count; n++) |
1428 | 28 | { |
1429 | 28 | err = TIFFReadDirEntryCheckRangeByteSbyte(*m); |
1430 | 28 | if (err != TIFFReadDirEntryErrOk) |
1431 | 0 | { |
1432 | 0 | _TIFFfreeExt(tif, origdata); |
1433 | 0 | return (err); |
1434 | 0 | } |
1435 | 28 | m++; |
1436 | 28 | } |
1437 | 4 | *value = (uint8_t *)origdata; |
1438 | 4 | return (TIFFReadDirEntryErrOk); |
1439 | 4 | } |
1440 | 2.19k | } |
1441 | 89 | data = (uint8_t *)_TIFFmallocExt(tif, count); |
1442 | 89 | if (data == 0) |
1443 | 0 | { |
1444 | 0 | _TIFFfreeExt(tif, origdata); |
1445 | 0 | return (TIFFReadDirEntryErrAlloc); |
1446 | 0 | } |
1447 | 89 | switch (direntry->tdir_type) |
1448 | 89 | { |
1449 | 71 | case TIFF_SHORT: |
1450 | 71 | { |
1451 | 71 | uint16_t *ma; |
1452 | 71 | uint8_t *mb; |
1453 | 71 | uint32_t n; |
1454 | 71 | ma = (uint16_t *)origdata; |
1455 | 71 | mb = data; |
1456 | 141 | for (n = 0; n < count; n++) |
1457 | 85 | { |
1458 | 85 | if (tif->tif_flags & TIFF_SWAB) |
1459 | 0 | TIFFSwabShort(ma); |
1460 | 85 | err = TIFFReadDirEntryCheckRangeByteShort(*ma); |
1461 | 85 | if (err != TIFFReadDirEntryErrOk) |
1462 | 15 | break; |
1463 | 70 | *mb++ = (uint8_t)(*ma++); |
1464 | 70 | } |
1465 | 71 | } |
1466 | 71 | break; |
1467 | 2 | case TIFF_SSHORT: |
1468 | 2 | { |
1469 | 2 | int16_t *ma; |
1470 | 2 | uint8_t *mb; |
1471 | 2 | uint32_t n; |
1472 | 2 | ma = (int16_t *)origdata; |
1473 | 2 | mb = data; |
1474 | 47 | for (n = 0; n < count; n++) |
1475 | 47 | { |
1476 | 47 | if (tif->tif_flags & TIFF_SWAB) |
1477 | 46 | TIFFSwabShort((uint16_t *)ma); |
1478 | 47 | err = TIFFReadDirEntryCheckRangeByteSshort(*ma); |
1479 | 47 | if (err != TIFFReadDirEntryErrOk) |
1480 | 2 | break; |
1481 | 45 | *mb++ = (uint8_t)(*ma++); |
1482 | 45 | } |
1483 | 2 | } |
1484 | 2 | break; |
1485 | 12 | case TIFF_LONG: |
1486 | 12 | { |
1487 | 12 | uint32_t *ma; |
1488 | 12 | uint8_t *mb; |
1489 | 12 | uint32_t n; |
1490 | 12 | ma = (uint32_t *)origdata; |
1491 | 12 | mb = data; |
1492 | 252 | for (n = 0; n < count; n++) |
1493 | 252 | { |
1494 | 252 | if (tif->tif_flags & TIFF_SWAB) |
1495 | 240 | TIFFSwabLong(ma); |
1496 | 252 | err = TIFFReadDirEntryCheckRangeByteLong(*ma); |
1497 | 252 | if (err != TIFFReadDirEntryErrOk) |
1498 | 12 | break; |
1499 | 240 | *mb++ = (uint8_t)(*ma++); |
1500 | 240 | } |
1501 | 12 | } |
1502 | 12 | break; |
1503 | 1 | case TIFF_SLONG: |
1504 | 1 | { |
1505 | 1 | int32_t *ma; |
1506 | 1 | uint8_t *mb; |
1507 | 1 | uint32_t n; |
1508 | 1 | ma = (int32_t *)origdata; |
1509 | 1 | mb = data; |
1510 | 21 | for (n = 0; n < count; n++) |
1511 | 21 | { |
1512 | 21 | if (tif->tif_flags & TIFF_SWAB) |
1513 | 0 | TIFFSwabLong((uint32_t *)ma); |
1514 | 21 | err = TIFFReadDirEntryCheckRangeByteSlong(*ma); |
1515 | 21 | if (err != TIFFReadDirEntryErrOk) |
1516 | 1 | break; |
1517 | 20 | *mb++ = (uint8_t)(*ma++); |
1518 | 20 | } |
1519 | 1 | } |
1520 | 1 | break; |
1521 | 1 | case TIFF_LONG8: |
1522 | 1 | { |
1523 | 1 | uint64_t *ma; |
1524 | 1 | uint8_t *mb; |
1525 | 1 | uint32_t n; |
1526 | 1 | ma = (uint64_t *)origdata; |
1527 | 1 | mb = data; |
1528 | 5 | for (n = 0; n < count; n++) |
1529 | 5 | { |
1530 | 5 | if (tif->tif_flags & TIFF_SWAB) |
1531 | 0 | TIFFSwabLong8(ma); |
1532 | 5 | err = TIFFReadDirEntryCheckRangeByteLong8(*ma); |
1533 | 5 | if (err != TIFFReadDirEntryErrOk) |
1534 | 1 | break; |
1535 | 4 | *mb++ = (uint8_t)(*ma++); |
1536 | 4 | } |
1537 | 1 | } |
1538 | 1 | break; |
1539 | 2 | case TIFF_SLONG8: |
1540 | 2 | { |
1541 | 2 | int64_t *ma; |
1542 | 2 | uint8_t *mb; |
1543 | 2 | uint32_t n; |
1544 | 2 | ma = (int64_t *)origdata; |
1545 | 2 | mb = data; |
1546 | 2 | for (n = 0; n < count; n++) |
1547 | 2 | { |
1548 | 2 | if (tif->tif_flags & TIFF_SWAB) |
1549 | 0 | TIFFSwabLong8((uint64_t *)ma); |
1550 | 2 | err = TIFFReadDirEntryCheckRangeByteSlong8(*ma); |
1551 | 2 | if (err != TIFFReadDirEntryErrOk) |
1552 | 2 | break; |
1553 | 0 | *mb++ = (uint8_t)(*ma++); |
1554 | 0 | } |
1555 | 2 | } |
1556 | 2 | break; |
1557 | 89 | } |
1558 | 89 | _TIFFfreeExt(tif, origdata); |
1559 | 89 | if (err != TIFFReadDirEntryErrOk) |
1560 | 33 | { |
1561 | 33 | _TIFFfreeExt(tif, data); |
1562 | 33 | return (err); |
1563 | 33 | } |
1564 | 56 | *value = data; |
1565 | 56 | return (TIFFReadDirEntryErrOk); |
1566 | 89 | } |
1567 | | |
1568 | | static enum TIFFReadDirEntryErr |
1569 | | TIFFReadDirEntrySbyteArray(TIFF *tif, TIFFDirEntry *direntry, int8_t **value) |
1570 | 361 | { |
1571 | 361 | enum TIFFReadDirEntryErr err; |
1572 | 361 | uint32_t count; |
1573 | 361 | void *origdata; |
1574 | 361 | int8_t *data; |
1575 | 361 | switch (direntry->tdir_type) |
1576 | 361 | { |
1577 | 0 | case TIFF_UNDEFINED: |
1578 | 0 | case TIFF_BYTE: |
1579 | 361 | case TIFF_SBYTE: |
1580 | 361 | case TIFF_SHORT: |
1581 | 361 | case TIFF_SSHORT: |
1582 | 361 | case TIFF_LONG: |
1583 | 361 | case TIFF_SLONG: |
1584 | 361 | case TIFF_LONG8: |
1585 | 361 | case TIFF_SLONG8: |
1586 | 361 | break; |
1587 | 0 | default: |
1588 | 0 | return (TIFFReadDirEntryErrType); |
1589 | 361 | } |
1590 | 361 | err = TIFFReadDirEntryArray(tif, direntry, &count, 1, &origdata); |
1591 | 361 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
1592 | 310 | { |
1593 | 310 | *value = 0; |
1594 | 310 | return (err); |
1595 | 310 | } |
1596 | 51 | switch (direntry->tdir_type) |
1597 | 51 | { |
1598 | 0 | case TIFF_UNDEFINED: |
1599 | 0 | case TIFF_BYTE: |
1600 | 0 | { |
1601 | 0 | uint8_t *m; |
1602 | 0 | uint32_t n; |
1603 | 0 | m = (uint8_t *)origdata; |
1604 | 0 | for (n = 0; n < count; n++) |
1605 | 0 | { |
1606 | 0 | err = TIFFReadDirEntryCheckRangeSbyteByte(*m); |
1607 | 0 | if (err != TIFFReadDirEntryErrOk) |
1608 | 0 | { |
1609 | 0 | _TIFFfreeExt(tif, origdata); |
1610 | 0 | return (err); |
1611 | 0 | } |
1612 | 0 | m++; |
1613 | 0 | } |
1614 | 0 | *value = (int8_t *)origdata; |
1615 | 0 | return (TIFFReadDirEntryErrOk); |
1616 | 0 | } |
1617 | 51 | case TIFF_SBYTE: |
1618 | 51 | *value = (int8_t *)origdata; |
1619 | 51 | return (TIFFReadDirEntryErrOk); |
1620 | 51 | } |
1621 | 0 | data = (int8_t *)_TIFFmallocExt(tif, count); |
1622 | 0 | if (data == 0) |
1623 | 0 | { |
1624 | 0 | _TIFFfreeExt(tif, origdata); |
1625 | 0 | return (TIFFReadDirEntryErrAlloc); |
1626 | 0 | } |
1627 | 0 | switch (direntry->tdir_type) |
1628 | 0 | { |
1629 | 0 | case TIFF_SHORT: |
1630 | 0 | { |
1631 | 0 | uint16_t *ma; |
1632 | 0 | int8_t *mb; |
1633 | 0 | uint32_t n; |
1634 | 0 | ma = (uint16_t *)origdata; |
1635 | 0 | mb = data; |
1636 | 0 | for (n = 0; n < count; n++) |
1637 | 0 | { |
1638 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1639 | 0 | TIFFSwabShort(ma); |
1640 | 0 | err = TIFFReadDirEntryCheckRangeSbyteShort(*ma); |
1641 | 0 | if (err != TIFFReadDirEntryErrOk) |
1642 | 0 | break; |
1643 | 0 | *mb++ = (int8_t)(*ma++); |
1644 | 0 | } |
1645 | 0 | } |
1646 | 0 | break; |
1647 | 0 | case TIFF_SSHORT: |
1648 | 0 | { |
1649 | 0 | int16_t *ma; |
1650 | 0 | int8_t *mb; |
1651 | 0 | uint32_t n; |
1652 | 0 | ma = (int16_t *)origdata; |
1653 | 0 | mb = data; |
1654 | 0 | for (n = 0; n < count; n++) |
1655 | 0 | { |
1656 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1657 | 0 | TIFFSwabShort((uint16_t *)ma); |
1658 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSshort(*ma); |
1659 | 0 | if (err != TIFFReadDirEntryErrOk) |
1660 | 0 | break; |
1661 | 0 | *mb++ = (int8_t)(*ma++); |
1662 | 0 | } |
1663 | 0 | } |
1664 | 0 | break; |
1665 | 0 | case TIFF_LONG: |
1666 | 0 | { |
1667 | 0 | uint32_t *ma; |
1668 | 0 | int8_t *mb; |
1669 | 0 | uint32_t n; |
1670 | 0 | ma = (uint32_t *)origdata; |
1671 | 0 | mb = data; |
1672 | 0 | for (n = 0; n < count; n++) |
1673 | 0 | { |
1674 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1675 | 0 | TIFFSwabLong(ma); |
1676 | 0 | err = TIFFReadDirEntryCheckRangeSbyteLong(*ma); |
1677 | 0 | if (err != TIFFReadDirEntryErrOk) |
1678 | 0 | break; |
1679 | 0 | *mb++ = (int8_t)(*ma++); |
1680 | 0 | } |
1681 | 0 | } |
1682 | 0 | break; |
1683 | 0 | case TIFF_SLONG: |
1684 | 0 | { |
1685 | 0 | int32_t *ma; |
1686 | 0 | int8_t *mb; |
1687 | 0 | uint32_t n; |
1688 | 0 | ma = (int32_t *)origdata; |
1689 | 0 | mb = data; |
1690 | 0 | for (n = 0; n < count; n++) |
1691 | 0 | { |
1692 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1693 | 0 | TIFFSwabLong((uint32_t *)ma); |
1694 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSlong(*ma); |
1695 | 0 | if (err != TIFFReadDirEntryErrOk) |
1696 | 0 | break; |
1697 | 0 | *mb++ = (int8_t)(*ma++); |
1698 | 0 | } |
1699 | 0 | } |
1700 | 0 | break; |
1701 | 0 | case TIFF_LONG8: |
1702 | 0 | { |
1703 | 0 | uint64_t *ma; |
1704 | 0 | int8_t *mb; |
1705 | 0 | uint32_t n; |
1706 | 0 | ma = (uint64_t *)origdata; |
1707 | 0 | mb = data; |
1708 | 0 | for (n = 0; n < count; n++) |
1709 | 0 | { |
1710 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1711 | 0 | TIFFSwabLong8(ma); |
1712 | 0 | err = TIFFReadDirEntryCheckRangeSbyteLong8(*ma); |
1713 | 0 | if (err != TIFFReadDirEntryErrOk) |
1714 | 0 | break; |
1715 | 0 | *mb++ = (int8_t)(*ma++); |
1716 | 0 | } |
1717 | 0 | } |
1718 | 0 | break; |
1719 | 0 | case TIFF_SLONG8: |
1720 | 0 | { |
1721 | 0 | int64_t *ma; |
1722 | 0 | int8_t *mb; |
1723 | 0 | uint32_t n; |
1724 | 0 | ma = (int64_t *)origdata; |
1725 | 0 | mb = data; |
1726 | 0 | for (n = 0; n < count; n++) |
1727 | 0 | { |
1728 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1729 | 0 | TIFFSwabLong8((uint64_t *)ma); |
1730 | 0 | err = TIFFReadDirEntryCheckRangeSbyteSlong8(*ma); |
1731 | 0 | if (err != TIFFReadDirEntryErrOk) |
1732 | 0 | break; |
1733 | 0 | *mb++ = (int8_t)(*ma++); |
1734 | 0 | } |
1735 | 0 | } |
1736 | 0 | break; |
1737 | 0 | } |
1738 | 0 | _TIFFfreeExt(tif, origdata); |
1739 | 0 | if (err != TIFFReadDirEntryErrOk) |
1740 | 0 | { |
1741 | 0 | _TIFFfreeExt(tif, data); |
1742 | 0 | return (err); |
1743 | 0 | } |
1744 | 0 | *value = data; |
1745 | 0 | return (TIFFReadDirEntryErrOk); |
1746 | 0 | } |
1747 | | |
1748 | | static enum TIFFReadDirEntryErr |
1749 | | TIFFReadDirEntryShortArray(TIFF *tif, TIFFDirEntry *direntry, uint16_t **value) |
1750 | 6.89k | { |
1751 | 6.89k | enum TIFFReadDirEntryErr err; |
1752 | 6.89k | uint32_t count; |
1753 | 6.89k | void *origdata; |
1754 | 6.89k | uint16_t *data; |
1755 | 6.89k | switch (direntry->tdir_type) |
1756 | 6.89k | { |
1757 | 104 | case TIFF_BYTE: |
1758 | 104 | case TIFF_SBYTE: |
1759 | 6.76k | case TIFF_SHORT: |
1760 | 6.76k | case TIFF_SSHORT: |
1761 | 6.77k | case TIFF_LONG: |
1762 | 6.78k | case TIFF_SLONG: |
1763 | 6.80k | case TIFF_LONG8: |
1764 | 6.80k | case TIFF_SLONG8: |
1765 | 6.80k | break; |
1766 | 82 | default: |
1767 | 82 | return (TIFFReadDirEntryErrType); |
1768 | 6.89k | } |
1769 | 6.80k | err = TIFFReadDirEntryArray(tif, direntry, &count, 2, &origdata); |
1770 | 6.80k | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
1771 | 3.93k | { |
1772 | 3.93k | *value = 0; |
1773 | 3.93k | return (err); |
1774 | 3.93k | } |
1775 | 2.87k | switch (direntry->tdir_type) |
1776 | 2.87k | { |
1777 | 2.83k | case TIFF_SHORT: |
1778 | 2.83k | *value = (uint16_t *)origdata; |
1779 | 2.83k | if (tif->tif_flags & TIFF_SWAB) |
1780 | 258 | TIFFSwabArrayOfShort(*value, count); |
1781 | 2.83k | return (TIFFReadDirEntryErrOk); |
1782 | 1 | case TIFF_SSHORT: |
1783 | 1 | { |
1784 | 1 | int16_t *m; |
1785 | 1 | uint32_t n; |
1786 | 1 | m = (int16_t *)origdata; |
1787 | 2 | for (n = 0; n < count; n++) |
1788 | 1 | { |
1789 | 1 | if (tif->tif_flags & TIFF_SWAB) |
1790 | 0 | TIFFSwabShort((uint16_t *)m); |
1791 | 1 | err = TIFFReadDirEntryCheckRangeShortSshort(*m); |
1792 | 1 | if (err != TIFFReadDirEntryErrOk) |
1793 | 0 | { |
1794 | 0 | _TIFFfreeExt(tif, origdata); |
1795 | 0 | return (err); |
1796 | 0 | } |
1797 | 1 | m++; |
1798 | 1 | } |
1799 | 1 | *value = (uint16_t *)origdata; |
1800 | 1 | return (TIFFReadDirEntryErrOk); |
1801 | 1 | } |
1802 | 2.87k | } |
1803 | 39 | data = (uint16_t *)_TIFFmallocExt(tif, count * 2); |
1804 | 39 | if (data == 0) |
1805 | 0 | { |
1806 | 0 | _TIFFfreeExt(tif, origdata); |
1807 | 0 | return (TIFFReadDirEntryErrAlloc); |
1808 | 0 | } |
1809 | 39 | switch (direntry->tdir_type) |
1810 | 39 | { |
1811 | 11 | case TIFF_BYTE: |
1812 | 11 | { |
1813 | 11 | uint8_t *ma; |
1814 | 11 | uint16_t *mb; |
1815 | 11 | uint32_t n; |
1816 | 11 | ma = (uint8_t *)origdata; |
1817 | 11 | mb = data; |
1818 | 3.35k | for (n = 0; n < count; n++) |
1819 | 3.34k | *mb++ = (uint16_t)(*ma++); |
1820 | 11 | } |
1821 | 11 | break; |
1822 | 0 | case TIFF_SBYTE: |
1823 | 0 | { |
1824 | 0 | int8_t *ma; |
1825 | 0 | uint16_t *mb; |
1826 | 0 | uint32_t n; |
1827 | 0 | ma = (int8_t *)origdata; |
1828 | 0 | mb = data; |
1829 | 0 | for (n = 0; n < count; n++) |
1830 | 0 | { |
1831 | 0 | err = TIFFReadDirEntryCheckRangeShortSbyte(*ma); |
1832 | 0 | if (err != TIFFReadDirEntryErrOk) |
1833 | 0 | break; |
1834 | 0 | *mb++ = (uint16_t)(*ma++); |
1835 | 0 | } |
1836 | 0 | } |
1837 | 0 | break; |
1838 | 4 | case TIFF_LONG: |
1839 | 4 | { |
1840 | 4 | uint32_t *ma; |
1841 | 4 | uint16_t *mb; |
1842 | 4 | uint32_t n; |
1843 | 4 | ma = (uint32_t *)origdata; |
1844 | 4 | mb = data; |
1845 | 8 | for (n = 0; n < count; n++) |
1846 | 6 | { |
1847 | 6 | if (tif->tif_flags & TIFF_SWAB) |
1848 | 2 | TIFFSwabLong(ma); |
1849 | 6 | err = TIFFReadDirEntryCheckRangeShortLong(*ma); |
1850 | 6 | if (err != TIFFReadDirEntryErrOk) |
1851 | 2 | break; |
1852 | 4 | *mb++ = (uint16_t)(*ma++); |
1853 | 4 | } |
1854 | 4 | } |
1855 | 4 | break; |
1856 | 0 | case TIFF_SLONG: |
1857 | 0 | { |
1858 | 0 | int32_t *ma; |
1859 | 0 | uint16_t *mb; |
1860 | 0 | uint32_t n; |
1861 | 0 | ma = (int32_t *)origdata; |
1862 | 0 | mb = data; |
1863 | 0 | for (n = 0; n < count; n++) |
1864 | 0 | { |
1865 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1866 | 0 | TIFFSwabLong((uint32_t *)ma); |
1867 | 0 | err = TIFFReadDirEntryCheckRangeShortSlong(*ma); |
1868 | 0 | if (err != TIFFReadDirEntryErrOk) |
1869 | 0 | break; |
1870 | 0 | *mb++ = (uint16_t)(*ma++); |
1871 | 0 | } |
1872 | 0 | } |
1873 | 0 | break; |
1874 | 19 | case TIFF_LONG8: |
1875 | 19 | { |
1876 | 19 | uint64_t *ma; |
1877 | 19 | uint16_t *mb; |
1878 | 19 | uint32_t n; |
1879 | 19 | ma = (uint64_t *)origdata; |
1880 | 19 | mb = data; |
1881 | 46 | for (n = 0; n < count; n++) |
1882 | 37 | { |
1883 | 37 | if (tif->tif_flags & TIFF_SWAB) |
1884 | 0 | TIFFSwabLong8(ma); |
1885 | 37 | err = TIFFReadDirEntryCheckRangeShortLong8(*ma); |
1886 | 37 | if (err != TIFFReadDirEntryErrOk) |
1887 | 10 | break; |
1888 | 27 | *mb++ = (uint16_t)(*ma++); |
1889 | 27 | } |
1890 | 19 | } |
1891 | 19 | break; |
1892 | 5 | case TIFF_SLONG8: |
1893 | 5 | { |
1894 | 5 | int64_t *ma; |
1895 | 5 | uint16_t *mb; |
1896 | 5 | uint32_t n; |
1897 | 5 | ma = (int64_t *)origdata; |
1898 | 5 | mb = data; |
1899 | 335 | for (n = 0; n < count; n++) |
1900 | 335 | { |
1901 | 335 | if (tif->tif_flags & TIFF_SWAB) |
1902 | 206 | TIFFSwabLong8((uint64_t *)ma); |
1903 | 335 | err = TIFFReadDirEntryCheckRangeShortSlong8(*ma); |
1904 | 335 | if (err != TIFFReadDirEntryErrOk) |
1905 | 5 | break; |
1906 | 330 | *mb++ = (uint16_t)(*ma++); |
1907 | 330 | } |
1908 | 5 | } |
1909 | 5 | break; |
1910 | 39 | } |
1911 | 39 | _TIFFfreeExt(tif, origdata); |
1912 | 39 | if (err != TIFFReadDirEntryErrOk) |
1913 | 17 | { |
1914 | 17 | _TIFFfreeExt(tif, data); |
1915 | 17 | return (err); |
1916 | 17 | } |
1917 | 22 | *value = data; |
1918 | 22 | return (TIFFReadDirEntryErrOk); |
1919 | 39 | } |
1920 | | |
1921 | | static enum TIFFReadDirEntryErr |
1922 | | TIFFReadDirEntrySshortArray(TIFF *tif, TIFFDirEntry *direntry, int16_t **value) |
1923 | 907 | { |
1924 | 907 | enum TIFFReadDirEntryErr err; |
1925 | 907 | uint32_t count; |
1926 | 907 | void *origdata; |
1927 | 907 | int16_t *data; |
1928 | 907 | switch (direntry->tdir_type) |
1929 | 907 | { |
1930 | 0 | case TIFF_BYTE: |
1931 | 0 | case TIFF_SBYTE: |
1932 | 0 | case TIFF_SHORT: |
1933 | 907 | case TIFF_SSHORT: |
1934 | 907 | case TIFF_LONG: |
1935 | 907 | case TIFF_SLONG: |
1936 | 907 | case TIFF_LONG8: |
1937 | 907 | case TIFF_SLONG8: |
1938 | 907 | break; |
1939 | 0 | default: |
1940 | 0 | return (TIFFReadDirEntryErrType); |
1941 | 907 | } |
1942 | 907 | err = TIFFReadDirEntryArray(tif, direntry, &count, 2, &origdata); |
1943 | 907 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
1944 | 771 | { |
1945 | 771 | *value = 0; |
1946 | 771 | return (err); |
1947 | 771 | } |
1948 | 136 | switch (direntry->tdir_type) |
1949 | 136 | { |
1950 | 0 | case TIFF_SHORT: |
1951 | 0 | { |
1952 | 0 | uint16_t *m; |
1953 | 0 | uint32_t n; |
1954 | 0 | m = (uint16_t *)origdata; |
1955 | 0 | for (n = 0; n < count; n++) |
1956 | 0 | { |
1957 | 0 | if (tif->tif_flags & TIFF_SWAB) |
1958 | 0 | TIFFSwabShort(m); |
1959 | 0 | err = TIFFReadDirEntryCheckRangeSshortShort(*m); |
1960 | 0 | if (err != TIFFReadDirEntryErrOk) |
1961 | 0 | { |
1962 | 0 | _TIFFfreeExt(tif, origdata); |
1963 | 0 | return (err); |
1964 | 0 | } |
1965 | 0 | m++; |
1966 | 0 | } |
1967 | 0 | *value = (int16_t *)origdata; |
1968 | 0 | return (TIFFReadDirEntryErrOk); |
1969 | 0 | } |
1970 | 136 | case TIFF_SSHORT: |
1971 | 136 | *value = (int16_t *)origdata; |
1972 | 136 | if (tif->tif_flags & TIFF_SWAB) |
1973 | 2 | TIFFSwabArrayOfShort((uint16_t *)(*value), count); |
1974 | 136 | return (TIFFReadDirEntryErrOk); |
1975 | 136 | } |
1976 | 0 | data = (int16_t *)_TIFFmallocExt(tif, count * 2); |
1977 | 0 | if (data == 0) |
1978 | 0 | { |
1979 | 0 | _TIFFfreeExt(tif, origdata); |
1980 | 0 | return (TIFFReadDirEntryErrAlloc); |
1981 | 0 | } |
1982 | 0 | switch (direntry->tdir_type) |
1983 | 0 | { |
1984 | 0 | case TIFF_BYTE: |
1985 | 0 | { |
1986 | 0 | uint8_t *ma; |
1987 | 0 | int16_t *mb; |
1988 | 0 | uint32_t n; |
1989 | 0 | ma = (uint8_t *)origdata; |
1990 | 0 | mb = data; |
1991 | 0 | for (n = 0; n < count; n++) |
1992 | 0 | *mb++ = (int16_t)(*ma++); |
1993 | 0 | } |
1994 | 0 | break; |
1995 | 0 | case TIFF_SBYTE: |
1996 | 0 | { |
1997 | 0 | int8_t *ma; |
1998 | 0 | int16_t *mb; |
1999 | 0 | uint32_t n; |
2000 | 0 | ma = (int8_t *)origdata; |
2001 | 0 | mb = data; |
2002 | 0 | for (n = 0; n < count; n++) |
2003 | 0 | *mb++ = (int16_t)(*ma++); |
2004 | 0 | } |
2005 | 0 | break; |
2006 | 0 | case TIFF_LONG: |
2007 | 0 | { |
2008 | 0 | uint32_t *ma; |
2009 | 0 | int16_t *mb; |
2010 | 0 | uint32_t n; |
2011 | 0 | ma = (uint32_t *)origdata; |
2012 | 0 | mb = data; |
2013 | 0 | for (n = 0; n < count; n++) |
2014 | 0 | { |
2015 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2016 | 0 | TIFFSwabLong(ma); |
2017 | 0 | err = TIFFReadDirEntryCheckRangeSshortLong(*ma); |
2018 | 0 | if (err != TIFFReadDirEntryErrOk) |
2019 | 0 | break; |
2020 | 0 | *mb++ = (int16_t)(*ma++); |
2021 | 0 | } |
2022 | 0 | } |
2023 | 0 | break; |
2024 | 0 | case TIFF_SLONG: |
2025 | 0 | { |
2026 | 0 | int32_t *ma; |
2027 | 0 | int16_t *mb; |
2028 | 0 | uint32_t n; |
2029 | 0 | ma = (int32_t *)origdata; |
2030 | 0 | mb = data; |
2031 | 0 | for (n = 0; n < count; n++) |
2032 | 0 | { |
2033 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2034 | 0 | TIFFSwabLong((uint32_t *)ma); |
2035 | 0 | err = TIFFReadDirEntryCheckRangeSshortSlong(*ma); |
2036 | 0 | if (err != TIFFReadDirEntryErrOk) |
2037 | 0 | break; |
2038 | 0 | *mb++ = (int16_t)(*ma++); |
2039 | 0 | } |
2040 | 0 | } |
2041 | 0 | break; |
2042 | 0 | case TIFF_LONG8: |
2043 | 0 | { |
2044 | 0 | uint64_t *ma; |
2045 | 0 | int16_t *mb; |
2046 | 0 | uint32_t n; |
2047 | 0 | ma = (uint64_t *)origdata; |
2048 | 0 | mb = data; |
2049 | 0 | for (n = 0; n < count; n++) |
2050 | 0 | { |
2051 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2052 | 0 | TIFFSwabLong8(ma); |
2053 | 0 | err = TIFFReadDirEntryCheckRangeSshortLong8(*ma); |
2054 | 0 | if (err != TIFFReadDirEntryErrOk) |
2055 | 0 | break; |
2056 | 0 | *mb++ = (int16_t)(*ma++); |
2057 | 0 | } |
2058 | 0 | } |
2059 | 0 | break; |
2060 | 0 | case TIFF_SLONG8: |
2061 | 0 | { |
2062 | 0 | int64_t *ma; |
2063 | 0 | int16_t *mb; |
2064 | 0 | uint32_t n; |
2065 | 0 | ma = (int64_t *)origdata; |
2066 | 0 | mb = data; |
2067 | 0 | for (n = 0; n < count; n++) |
2068 | 0 | { |
2069 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2070 | 0 | TIFFSwabLong8((uint64_t *)ma); |
2071 | 0 | err = TIFFReadDirEntryCheckRangeSshortSlong8(*ma); |
2072 | 0 | if (err != TIFFReadDirEntryErrOk) |
2073 | 0 | break; |
2074 | 0 | *mb++ = (int16_t)(*ma++); |
2075 | 0 | } |
2076 | 0 | } |
2077 | 0 | break; |
2078 | 0 | } |
2079 | 0 | _TIFFfreeExt(tif, origdata); |
2080 | 0 | if (err != TIFFReadDirEntryErrOk) |
2081 | 0 | { |
2082 | 0 | _TIFFfreeExt(tif, data); |
2083 | 0 | return (err); |
2084 | 0 | } |
2085 | 0 | *value = data; |
2086 | 0 | return (TIFFReadDirEntryErrOk); |
2087 | 0 | } |
2088 | | |
2089 | | static enum TIFFReadDirEntryErr |
2090 | | TIFFReadDirEntryLongArray(TIFF *tif, TIFFDirEntry *direntry, uint32_t **value) |
2091 | 2.06k | { |
2092 | 2.06k | enum TIFFReadDirEntryErr err; |
2093 | 2.06k | uint32_t count; |
2094 | 2.06k | void *origdata; |
2095 | 2.06k | uint32_t *data; |
2096 | 2.06k | switch (direntry->tdir_type) |
2097 | 2.06k | { |
2098 | 0 | case TIFF_BYTE: |
2099 | 14 | case TIFF_SBYTE: |
2100 | 14 | case TIFF_SHORT: |
2101 | 14 | case TIFF_SSHORT: |
2102 | 2.04k | case TIFF_LONG: |
2103 | 2.04k | case TIFF_SLONG: |
2104 | 2.05k | case TIFF_LONG8: |
2105 | 2.06k | case TIFF_SLONG8: |
2106 | 2.06k | break; |
2107 | 0 | default: |
2108 | 0 | return (TIFFReadDirEntryErrType); |
2109 | 2.06k | } |
2110 | 2.06k | err = TIFFReadDirEntryArray(tif, direntry, &count, 4, &origdata); |
2111 | 2.06k | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
2112 | 1.88k | { |
2113 | 1.88k | *value = 0; |
2114 | 1.88k | return (err); |
2115 | 1.88k | } |
2116 | 174 | switch (direntry->tdir_type) |
2117 | 174 | { |
2118 | 155 | case TIFF_LONG: |
2119 | 155 | *value = (uint32_t *)origdata; |
2120 | 155 | if (tif->tif_flags & TIFF_SWAB) |
2121 | 30 | TIFFSwabArrayOfLong(*value, count); |
2122 | 155 | return (TIFFReadDirEntryErrOk); |
2123 | 0 | case TIFF_SLONG: |
2124 | 0 | { |
2125 | 0 | int32_t *m; |
2126 | 0 | uint32_t n; |
2127 | 0 | m = (int32_t *)origdata; |
2128 | 0 | for (n = 0; n < count; n++) |
2129 | 0 | { |
2130 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2131 | 0 | TIFFSwabLong((uint32_t *)m); |
2132 | 0 | err = TIFFReadDirEntryCheckRangeLongSlong(*m); |
2133 | 0 | if (err != TIFFReadDirEntryErrOk) |
2134 | 0 | { |
2135 | 0 | _TIFFfreeExt(tif, origdata); |
2136 | 0 | return (err); |
2137 | 0 | } |
2138 | 0 | m++; |
2139 | 0 | } |
2140 | 0 | *value = (uint32_t *)origdata; |
2141 | 0 | return (TIFFReadDirEntryErrOk); |
2142 | 0 | } |
2143 | 174 | } |
2144 | 19 | data = (uint32_t *)_TIFFmallocExt(tif, count * 4); |
2145 | 19 | if (data == 0) |
2146 | 0 | { |
2147 | 0 | _TIFFfreeExt(tif, origdata); |
2148 | 0 | return (TIFFReadDirEntryErrAlloc); |
2149 | 0 | } |
2150 | 19 | switch (direntry->tdir_type) |
2151 | 19 | { |
2152 | 0 | case TIFF_BYTE: |
2153 | 0 | { |
2154 | 0 | uint8_t *ma; |
2155 | 0 | uint32_t *mb; |
2156 | 0 | uint32_t n; |
2157 | 0 | ma = (uint8_t *)origdata; |
2158 | 0 | mb = data; |
2159 | 0 | for (n = 0; n < count; n++) |
2160 | 0 | *mb++ = (uint32_t)(*ma++); |
2161 | 0 | } |
2162 | 0 | break; |
2163 | 9 | case TIFF_SBYTE: |
2164 | 9 | { |
2165 | 9 | int8_t *ma; |
2166 | 9 | uint32_t *mb; |
2167 | 9 | uint32_t n; |
2168 | 9 | ma = (int8_t *)origdata; |
2169 | 9 | mb = data; |
2170 | 95 | for (n = 0; n < count; n++) |
2171 | 90 | { |
2172 | 90 | err = TIFFReadDirEntryCheckRangeLongSbyte(*ma); |
2173 | 90 | if (err != TIFFReadDirEntryErrOk) |
2174 | 4 | break; |
2175 | 86 | *mb++ = (uint32_t)(*ma++); |
2176 | 86 | } |
2177 | 9 | } |
2178 | 9 | break; |
2179 | 0 | case TIFF_SHORT: |
2180 | 0 | { |
2181 | 0 | uint16_t *ma; |
2182 | 0 | uint32_t *mb; |
2183 | 0 | uint32_t n; |
2184 | 0 | ma = (uint16_t *)origdata; |
2185 | 0 | mb = data; |
2186 | 0 | for (n = 0; n < count; n++) |
2187 | 0 | { |
2188 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2189 | 0 | TIFFSwabShort(ma); |
2190 | 0 | *mb++ = (uint32_t)(*ma++); |
2191 | 0 | } |
2192 | 0 | } |
2193 | 0 | break; |
2194 | 0 | case TIFF_SSHORT: |
2195 | 0 | { |
2196 | 0 | int16_t *ma; |
2197 | 0 | uint32_t *mb; |
2198 | 0 | uint32_t n; |
2199 | 0 | ma = (int16_t *)origdata; |
2200 | 0 | mb = data; |
2201 | 0 | for (n = 0; n < count; n++) |
2202 | 0 | { |
2203 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2204 | 0 | TIFFSwabShort((uint16_t *)ma); |
2205 | 0 | err = TIFFReadDirEntryCheckRangeLongSshort(*ma); |
2206 | 0 | if (err != TIFFReadDirEntryErrOk) |
2207 | 0 | break; |
2208 | 0 | *mb++ = (uint32_t)(*ma++); |
2209 | 0 | } |
2210 | 0 | } |
2211 | 0 | break; |
2212 | 7 | case TIFF_LONG8: |
2213 | 7 | { |
2214 | 7 | uint64_t *ma; |
2215 | 7 | uint32_t *mb; |
2216 | 7 | uint32_t n; |
2217 | 7 | ma = (uint64_t *)origdata; |
2218 | 7 | mb = data; |
2219 | 89 | for (n = 0; n < count; n++) |
2220 | 89 | { |
2221 | 89 | if (tif->tif_flags & TIFF_SWAB) |
2222 | 86 | TIFFSwabLong8(ma); |
2223 | 89 | err = TIFFReadDirEntryCheckRangeLongLong8(*ma); |
2224 | 89 | if (err != TIFFReadDirEntryErrOk) |
2225 | 7 | break; |
2226 | 82 | *mb++ = (uint32_t)(*ma++); |
2227 | 82 | } |
2228 | 7 | } |
2229 | 7 | break; |
2230 | 3 | case TIFF_SLONG8: |
2231 | 3 | { |
2232 | 3 | int64_t *ma; |
2233 | 3 | uint32_t *mb; |
2234 | 3 | uint32_t n; |
2235 | 3 | ma = (int64_t *)origdata; |
2236 | 3 | mb = data; |
2237 | 16 | for (n = 0; n < count; n++) |
2238 | 16 | { |
2239 | 16 | if (tif->tif_flags & TIFF_SWAB) |
2240 | 0 | TIFFSwabLong8((uint64_t *)ma); |
2241 | 16 | err = TIFFReadDirEntryCheckRangeLongSlong8(*ma); |
2242 | 16 | if (err != TIFFReadDirEntryErrOk) |
2243 | 3 | break; |
2244 | 13 | *mb++ = (uint32_t)(*ma++); |
2245 | 13 | } |
2246 | 3 | } |
2247 | 3 | break; |
2248 | 19 | } |
2249 | 19 | _TIFFfreeExt(tif, origdata); |
2250 | 19 | if (err != TIFFReadDirEntryErrOk) |
2251 | 14 | { |
2252 | 14 | _TIFFfreeExt(tif, data); |
2253 | 14 | return (err); |
2254 | 14 | } |
2255 | 5 | *value = data; |
2256 | 5 | return (TIFFReadDirEntryErrOk); |
2257 | 19 | } |
2258 | | |
2259 | | static enum TIFFReadDirEntryErr |
2260 | | TIFFReadDirEntrySlongArray(TIFF *tif, TIFFDirEntry *direntry, int32_t **value) |
2261 | 586 | { |
2262 | 586 | enum TIFFReadDirEntryErr err; |
2263 | 586 | uint32_t count; |
2264 | 586 | void *origdata; |
2265 | 586 | int32_t *data; |
2266 | 586 | switch (direntry->tdir_type) |
2267 | 586 | { |
2268 | 0 | case TIFF_BYTE: |
2269 | 0 | case TIFF_SBYTE: |
2270 | 0 | case TIFF_SHORT: |
2271 | 0 | case TIFF_SSHORT: |
2272 | 0 | case TIFF_LONG: |
2273 | 586 | case TIFF_SLONG: |
2274 | 586 | case TIFF_LONG8: |
2275 | 586 | case TIFF_SLONG8: |
2276 | 586 | break; |
2277 | 0 | default: |
2278 | 0 | return (TIFFReadDirEntryErrType); |
2279 | 586 | } |
2280 | 586 | err = TIFFReadDirEntryArray(tif, direntry, &count, 4, &origdata); |
2281 | 586 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
2282 | 556 | { |
2283 | 556 | *value = 0; |
2284 | 556 | return (err); |
2285 | 556 | } |
2286 | 30 | switch (direntry->tdir_type) |
2287 | 30 | { |
2288 | 0 | case TIFF_LONG: |
2289 | 0 | { |
2290 | 0 | uint32_t *m; |
2291 | 0 | uint32_t n; |
2292 | 0 | m = (uint32_t *)origdata; |
2293 | 0 | for (n = 0; n < count; n++) |
2294 | 0 | { |
2295 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2296 | 0 | TIFFSwabLong((uint32_t *)m); |
2297 | 0 | err = TIFFReadDirEntryCheckRangeSlongLong(*m); |
2298 | 0 | if (err != TIFFReadDirEntryErrOk) |
2299 | 0 | { |
2300 | 0 | _TIFFfreeExt(tif, origdata); |
2301 | 0 | return (err); |
2302 | 0 | } |
2303 | 0 | m++; |
2304 | 0 | } |
2305 | 0 | *value = (int32_t *)origdata; |
2306 | 0 | return (TIFFReadDirEntryErrOk); |
2307 | 0 | } |
2308 | 30 | case TIFF_SLONG: |
2309 | 30 | *value = (int32_t *)origdata; |
2310 | 30 | if (tif->tif_flags & TIFF_SWAB) |
2311 | 14 | TIFFSwabArrayOfLong((uint32_t *)(*value), count); |
2312 | 30 | return (TIFFReadDirEntryErrOk); |
2313 | 30 | } |
2314 | 0 | data = (int32_t *)_TIFFmallocExt(tif, count * 4); |
2315 | 0 | if (data == 0) |
2316 | 0 | { |
2317 | 0 | _TIFFfreeExt(tif, origdata); |
2318 | 0 | return (TIFFReadDirEntryErrAlloc); |
2319 | 0 | } |
2320 | 0 | switch (direntry->tdir_type) |
2321 | 0 | { |
2322 | 0 | case TIFF_BYTE: |
2323 | 0 | { |
2324 | 0 | uint8_t *ma; |
2325 | 0 | int32_t *mb; |
2326 | 0 | uint32_t n; |
2327 | 0 | ma = (uint8_t *)origdata; |
2328 | 0 | mb = data; |
2329 | 0 | for (n = 0; n < count; n++) |
2330 | 0 | *mb++ = (int32_t)(*ma++); |
2331 | 0 | } |
2332 | 0 | break; |
2333 | 0 | case TIFF_SBYTE: |
2334 | 0 | { |
2335 | 0 | int8_t *ma; |
2336 | 0 | int32_t *mb; |
2337 | 0 | uint32_t n; |
2338 | 0 | ma = (int8_t *)origdata; |
2339 | 0 | mb = data; |
2340 | 0 | for (n = 0; n < count; n++) |
2341 | 0 | *mb++ = (int32_t)(*ma++); |
2342 | 0 | } |
2343 | 0 | break; |
2344 | 0 | case TIFF_SHORT: |
2345 | 0 | { |
2346 | 0 | uint16_t *ma; |
2347 | 0 | int32_t *mb; |
2348 | 0 | uint32_t n; |
2349 | 0 | ma = (uint16_t *)origdata; |
2350 | 0 | mb = data; |
2351 | 0 | for (n = 0; n < count; n++) |
2352 | 0 | { |
2353 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2354 | 0 | TIFFSwabShort(ma); |
2355 | 0 | *mb++ = (int32_t)(*ma++); |
2356 | 0 | } |
2357 | 0 | } |
2358 | 0 | break; |
2359 | 0 | case TIFF_SSHORT: |
2360 | 0 | { |
2361 | 0 | int16_t *ma; |
2362 | 0 | int32_t *mb; |
2363 | 0 | uint32_t n; |
2364 | 0 | ma = (int16_t *)origdata; |
2365 | 0 | mb = data; |
2366 | 0 | for (n = 0; n < count; n++) |
2367 | 0 | { |
2368 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2369 | 0 | TIFFSwabShort((uint16_t *)ma); |
2370 | 0 | *mb++ = (int32_t)(*ma++); |
2371 | 0 | } |
2372 | 0 | } |
2373 | 0 | break; |
2374 | 0 | case TIFF_LONG8: |
2375 | 0 | { |
2376 | 0 | uint64_t *ma; |
2377 | 0 | int32_t *mb; |
2378 | 0 | uint32_t n; |
2379 | 0 | ma = (uint64_t *)origdata; |
2380 | 0 | mb = data; |
2381 | 0 | for (n = 0; n < count; n++) |
2382 | 0 | { |
2383 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2384 | 0 | TIFFSwabLong8(ma); |
2385 | 0 | err = TIFFReadDirEntryCheckRangeSlongLong8(*ma); |
2386 | 0 | if (err != TIFFReadDirEntryErrOk) |
2387 | 0 | break; |
2388 | 0 | *mb++ = (int32_t)(*ma++); |
2389 | 0 | } |
2390 | 0 | } |
2391 | 0 | break; |
2392 | 0 | case TIFF_SLONG8: |
2393 | 0 | { |
2394 | 0 | int64_t *ma; |
2395 | 0 | int32_t *mb; |
2396 | 0 | uint32_t n; |
2397 | 0 | ma = (int64_t *)origdata; |
2398 | 0 | mb = data; |
2399 | 0 | for (n = 0; n < count; n++) |
2400 | 0 | { |
2401 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2402 | 0 | TIFFSwabLong8((uint64_t *)ma); |
2403 | 0 | err = TIFFReadDirEntryCheckRangeSlongSlong8(*ma); |
2404 | 0 | if (err != TIFFReadDirEntryErrOk) |
2405 | 0 | break; |
2406 | 0 | *mb++ = (int32_t)(*ma++); |
2407 | 0 | } |
2408 | 0 | } |
2409 | 0 | break; |
2410 | 0 | } |
2411 | 0 | _TIFFfreeExt(tif, origdata); |
2412 | 0 | if (err != TIFFReadDirEntryErrOk) |
2413 | 0 | { |
2414 | 0 | _TIFFfreeExt(tif, data); |
2415 | 0 | return (err); |
2416 | 0 | } |
2417 | 0 | *value = data; |
2418 | 0 | return (TIFFReadDirEntryErrOk); |
2419 | 0 | } |
2420 | | |
2421 | | static enum TIFFReadDirEntryErr |
2422 | | TIFFReadDirEntryLong8ArrayWithLimit(TIFF *tif, TIFFDirEntry *direntry, |
2423 | | uint64_t **value, uint64_t maxcount) |
2424 | 2.96k | { |
2425 | 2.96k | enum TIFFReadDirEntryErr err; |
2426 | 2.96k | uint32_t count; |
2427 | 2.96k | void *origdata; |
2428 | 2.96k | uint64_t *data; |
2429 | 2.96k | switch (direntry->tdir_type) |
2430 | 2.96k | { |
2431 | 695 | case TIFF_BYTE: |
2432 | 701 | case TIFF_SBYTE: |
2433 | 969 | case TIFF_SHORT: |
2434 | 975 | case TIFF_SSHORT: |
2435 | 2.10k | case TIFF_LONG: |
2436 | 2.10k | case TIFF_SLONG: |
2437 | 2.94k | case TIFF_LONG8: |
2438 | 2.94k | case TIFF_SLONG8: |
2439 | 2.94k | break; |
2440 | 15 | default: |
2441 | 15 | return (TIFFReadDirEntryErrType); |
2442 | 2.96k | } |
2443 | 2.94k | err = TIFFReadDirEntryArrayWithLimit(tif, direntry, &count, 8, &origdata, |
2444 | 2.94k | maxcount); |
2445 | 2.94k | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
2446 | 305 | { |
2447 | 305 | *value = 0; |
2448 | 305 | return (err); |
2449 | 305 | } |
2450 | 2.64k | switch (direntry->tdir_type) |
2451 | 2.64k | { |
2452 | 574 | case TIFF_LONG8: |
2453 | 574 | *value = (uint64_t *)origdata; |
2454 | 574 | if (tif->tif_flags & TIFF_SWAB) |
2455 | 130 | TIFFSwabArrayOfLong8(*value, count); |
2456 | 574 | return (TIFFReadDirEntryErrOk); |
2457 | 1 | case TIFF_SLONG8: |
2458 | 1 | { |
2459 | 1 | int64_t *m; |
2460 | 1 | uint32_t n; |
2461 | 1 | m = (int64_t *)origdata; |
2462 | 10 | for (n = 0; n < count; n++) |
2463 | 9 | { |
2464 | 9 | if (tif->tif_flags & TIFF_SWAB) |
2465 | 0 | TIFFSwabLong8((uint64_t *)m); |
2466 | 9 | err = TIFFReadDirEntryCheckRangeLong8Slong8(*m); |
2467 | 9 | if (err != TIFFReadDirEntryErrOk) |
2468 | 0 | { |
2469 | 0 | _TIFFfreeExt(tif, origdata); |
2470 | 0 | return (err); |
2471 | 0 | } |
2472 | 9 | m++; |
2473 | 9 | } |
2474 | 1 | *value = (uint64_t *)origdata; |
2475 | 1 | return (TIFFReadDirEntryErrOk); |
2476 | 1 | } |
2477 | 2.64k | } |
2478 | 2.06k | data = (uint64_t *)_TIFFmallocExt(tif, count * 8); |
2479 | 2.06k | if (data == 0) |
2480 | 0 | { |
2481 | 0 | _TIFFfreeExt(tif, origdata); |
2482 | 0 | return (TIFFReadDirEntryErrAlloc); |
2483 | 0 | } |
2484 | 2.06k | switch (direntry->tdir_type) |
2485 | 2.06k | { |
2486 | 678 | case TIFF_BYTE: |
2487 | 678 | { |
2488 | 678 | uint8_t *ma; |
2489 | 678 | uint64_t *mb; |
2490 | 678 | uint32_t n; |
2491 | 678 | ma = (uint8_t *)origdata; |
2492 | 678 | mb = data; |
2493 | 1.69M | for (n = 0; n < count; n++) |
2494 | 1.69M | *mb++ = (uint64_t)(*ma++); |
2495 | 678 | } |
2496 | 678 | break; |
2497 | 6 | case TIFF_SBYTE: |
2498 | 6 | { |
2499 | 6 | int8_t *ma; |
2500 | 6 | uint64_t *mb; |
2501 | 6 | uint32_t n; |
2502 | 6 | ma = (int8_t *)origdata; |
2503 | 6 | mb = data; |
2504 | 12 | for (n = 0; n < count; n++) |
2505 | 6 | { |
2506 | 6 | err = TIFFReadDirEntryCheckRangeLong8Sbyte(*ma); |
2507 | 6 | if (err != TIFFReadDirEntryErrOk) |
2508 | 0 | break; |
2509 | 6 | *mb++ = (uint64_t)(*ma++); |
2510 | 6 | } |
2511 | 6 | } |
2512 | 6 | break; |
2513 | 258 | case TIFF_SHORT: |
2514 | 258 | { |
2515 | 258 | uint16_t *ma; |
2516 | 258 | uint64_t *mb; |
2517 | 258 | uint32_t n; |
2518 | 258 | ma = (uint16_t *)origdata; |
2519 | 258 | mb = data; |
2520 | 1.67M | for (n = 0; n < count; n++) |
2521 | 1.67M | { |
2522 | 1.67M | if (tif->tif_flags & TIFF_SWAB) |
2523 | 9 | TIFFSwabShort(ma); |
2524 | 1.67M | *mb++ = (uint64_t)(*ma++); |
2525 | 1.67M | } |
2526 | 258 | } |
2527 | 258 | break; |
2528 | 2 | case TIFF_SSHORT: |
2529 | 2 | { |
2530 | 2 | int16_t *ma; |
2531 | 2 | uint64_t *mb; |
2532 | 2 | uint32_t n; |
2533 | 2 | ma = (int16_t *)origdata; |
2534 | 2 | mb = data; |
2535 | 221 | for (n = 0; n < count; n++) |
2536 | 221 | { |
2537 | 221 | if (tif->tif_flags & TIFF_SWAB) |
2538 | 0 | TIFFSwabShort((uint16_t *)ma); |
2539 | 221 | err = TIFFReadDirEntryCheckRangeLong8Sshort(*ma); |
2540 | 221 | if (err != TIFFReadDirEntryErrOk) |
2541 | 2 | break; |
2542 | 219 | *mb++ = (uint64_t)(*ma++); |
2543 | 219 | } |
2544 | 2 | } |
2545 | 2 | break; |
2546 | 1.12k | case TIFF_LONG: |
2547 | 1.12k | { |
2548 | 1.12k | uint32_t *ma; |
2549 | 1.12k | uint64_t *mb; |
2550 | 1.12k | uint32_t n; |
2551 | 1.12k | ma = (uint32_t *)origdata; |
2552 | 1.12k | mb = data; |
2553 | 54.9k | for (n = 0; n < count; n++) |
2554 | 53.7k | { |
2555 | 53.7k | if (tif->tif_flags & TIFF_SWAB) |
2556 | 3.82k | TIFFSwabLong(ma); |
2557 | 53.7k | *mb++ = (uint64_t)(*ma++); |
2558 | 53.7k | } |
2559 | 1.12k | } |
2560 | 1.12k | break; |
2561 | 0 | case TIFF_SLONG: |
2562 | 0 | { |
2563 | 0 | int32_t *ma; |
2564 | 0 | uint64_t *mb; |
2565 | 0 | uint32_t n; |
2566 | 0 | ma = (int32_t *)origdata; |
2567 | 0 | mb = data; |
2568 | 0 | for (n = 0; n < count; n++) |
2569 | 0 | { |
2570 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2571 | 0 | TIFFSwabLong((uint32_t *)ma); |
2572 | 0 | err = TIFFReadDirEntryCheckRangeLong8Slong(*ma); |
2573 | 0 | if (err != TIFFReadDirEntryErrOk) |
2574 | 0 | break; |
2575 | 0 | *mb++ = (uint64_t)(*ma++); |
2576 | 0 | } |
2577 | 0 | } |
2578 | 0 | break; |
2579 | 2.06k | } |
2580 | 2.06k | _TIFFfreeExt(tif, origdata); |
2581 | 2.06k | if (err != TIFFReadDirEntryErrOk) |
2582 | 2 | { |
2583 | 2 | _TIFFfreeExt(tif, data); |
2584 | 2 | return (err); |
2585 | 2 | } |
2586 | 2.06k | *value = data; |
2587 | 2.06k | return (TIFFReadDirEntryErrOk); |
2588 | 2.06k | } |
2589 | | |
2590 | | static enum TIFFReadDirEntryErr |
2591 | | TIFFReadDirEntryLong8Array(TIFF *tif, TIFFDirEntry *direntry, uint64_t **value) |
2592 | 270 | { |
2593 | 270 | return TIFFReadDirEntryLong8ArrayWithLimit(tif, direntry, value, |
2594 | 270 | ~((uint64_t)0)); |
2595 | 270 | } |
2596 | | |
2597 | | static enum TIFFReadDirEntryErr |
2598 | | TIFFReadDirEntrySlong8Array(TIFF *tif, TIFFDirEntry *direntry, int64_t **value) |
2599 | 162 | { |
2600 | 162 | enum TIFFReadDirEntryErr err; |
2601 | 162 | uint32_t count; |
2602 | 162 | void *origdata; |
2603 | 162 | int64_t *data; |
2604 | 162 | switch (direntry->tdir_type) |
2605 | 162 | { |
2606 | 0 | case TIFF_BYTE: |
2607 | 0 | case TIFF_SBYTE: |
2608 | 0 | case TIFF_SHORT: |
2609 | 0 | case TIFF_SSHORT: |
2610 | 0 | case TIFF_LONG: |
2611 | 0 | case TIFF_SLONG: |
2612 | 0 | case TIFF_LONG8: |
2613 | 162 | case TIFF_SLONG8: |
2614 | 162 | break; |
2615 | 0 | default: |
2616 | 0 | return (TIFFReadDirEntryErrType); |
2617 | 162 | } |
2618 | 162 | err = TIFFReadDirEntryArray(tif, direntry, &count, 8, &origdata); |
2619 | 162 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
2620 | 97 | { |
2621 | 97 | *value = 0; |
2622 | 97 | return (err); |
2623 | 97 | } |
2624 | 65 | switch (direntry->tdir_type) |
2625 | 65 | { |
2626 | 0 | case TIFF_LONG8: |
2627 | 0 | { |
2628 | 0 | uint64_t *m; |
2629 | 0 | uint32_t n; |
2630 | 0 | m = (uint64_t *)origdata; |
2631 | 0 | for (n = 0; n < count; n++) |
2632 | 0 | { |
2633 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2634 | 0 | TIFFSwabLong8(m); |
2635 | 0 | err = TIFFReadDirEntryCheckRangeSlong8Long8(*m); |
2636 | 0 | if (err != TIFFReadDirEntryErrOk) |
2637 | 0 | { |
2638 | 0 | _TIFFfreeExt(tif, origdata); |
2639 | 0 | return (err); |
2640 | 0 | } |
2641 | 0 | m++; |
2642 | 0 | } |
2643 | 0 | *value = (int64_t *)origdata; |
2644 | 0 | return (TIFFReadDirEntryErrOk); |
2645 | 0 | } |
2646 | 65 | case TIFF_SLONG8: |
2647 | 65 | *value = (int64_t *)origdata; |
2648 | 65 | if (tif->tif_flags & TIFF_SWAB) |
2649 | 4 | TIFFSwabArrayOfLong8((uint64_t *)(*value), count); |
2650 | 65 | return (TIFFReadDirEntryErrOk); |
2651 | 65 | } |
2652 | 0 | data = (int64_t *)_TIFFmallocExt(tif, count * 8); |
2653 | 0 | if (data == 0) |
2654 | 0 | { |
2655 | 0 | _TIFFfreeExt(tif, origdata); |
2656 | 0 | return (TIFFReadDirEntryErrAlloc); |
2657 | 0 | } |
2658 | 0 | switch (direntry->tdir_type) |
2659 | 0 | { |
2660 | 0 | case TIFF_BYTE: |
2661 | 0 | { |
2662 | 0 | uint8_t *ma; |
2663 | 0 | int64_t *mb; |
2664 | 0 | uint32_t n; |
2665 | 0 | ma = (uint8_t *)origdata; |
2666 | 0 | mb = data; |
2667 | 0 | for (n = 0; n < count; n++) |
2668 | 0 | *mb++ = (int64_t)(*ma++); |
2669 | 0 | } |
2670 | 0 | break; |
2671 | 0 | case TIFF_SBYTE: |
2672 | 0 | { |
2673 | 0 | int8_t *ma; |
2674 | 0 | int64_t *mb; |
2675 | 0 | uint32_t n; |
2676 | 0 | ma = (int8_t *)origdata; |
2677 | 0 | mb = data; |
2678 | 0 | for (n = 0; n < count; n++) |
2679 | 0 | *mb++ = (int64_t)(*ma++); |
2680 | 0 | } |
2681 | 0 | break; |
2682 | 0 | case TIFF_SHORT: |
2683 | 0 | { |
2684 | 0 | uint16_t *ma; |
2685 | 0 | int64_t *mb; |
2686 | 0 | uint32_t n; |
2687 | 0 | ma = (uint16_t *)origdata; |
2688 | 0 | mb = data; |
2689 | 0 | for (n = 0; n < count; n++) |
2690 | 0 | { |
2691 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2692 | 0 | TIFFSwabShort(ma); |
2693 | 0 | *mb++ = (int64_t)(*ma++); |
2694 | 0 | } |
2695 | 0 | } |
2696 | 0 | break; |
2697 | 0 | case TIFF_SSHORT: |
2698 | 0 | { |
2699 | 0 | int16_t *ma; |
2700 | 0 | int64_t *mb; |
2701 | 0 | uint32_t n; |
2702 | 0 | ma = (int16_t *)origdata; |
2703 | 0 | mb = data; |
2704 | 0 | for (n = 0; n < count; n++) |
2705 | 0 | { |
2706 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2707 | 0 | TIFFSwabShort((uint16_t *)ma); |
2708 | 0 | *mb++ = (int64_t)(*ma++); |
2709 | 0 | } |
2710 | 0 | } |
2711 | 0 | break; |
2712 | 0 | case TIFF_LONG: |
2713 | 0 | { |
2714 | 0 | uint32_t *ma; |
2715 | 0 | int64_t *mb; |
2716 | 0 | uint32_t n; |
2717 | 0 | ma = (uint32_t *)origdata; |
2718 | 0 | mb = data; |
2719 | 0 | for (n = 0; n < count; n++) |
2720 | 0 | { |
2721 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2722 | 0 | TIFFSwabLong(ma); |
2723 | 0 | *mb++ = (int64_t)(*ma++); |
2724 | 0 | } |
2725 | 0 | } |
2726 | 0 | break; |
2727 | 0 | case TIFF_SLONG: |
2728 | 0 | { |
2729 | 0 | int32_t *ma; |
2730 | 0 | int64_t *mb; |
2731 | 0 | uint32_t n; |
2732 | 0 | ma = (int32_t *)origdata; |
2733 | 0 | mb = data; |
2734 | 0 | for (n = 0; n < count; n++) |
2735 | 0 | { |
2736 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2737 | 0 | TIFFSwabLong((uint32_t *)ma); |
2738 | 0 | *mb++ = (int64_t)(*ma++); |
2739 | 0 | } |
2740 | 0 | } |
2741 | 0 | break; |
2742 | 0 | } |
2743 | 0 | _TIFFfreeExt(tif, origdata); |
2744 | 0 | *value = data; |
2745 | 0 | return (TIFFReadDirEntryErrOk); |
2746 | 0 | } |
2747 | | |
2748 | | static enum TIFFReadDirEntryErr |
2749 | | TIFFReadDirEntryFloatArray(TIFF *tif, TIFFDirEntry *direntry, float **value) |
2750 | 2.73k | { |
2751 | 2.73k | enum TIFFReadDirEntryErr err; |
2752 | 2.73k | uint32_t count; |
2753 | 2.73k | void *origdata; |
2754 | 2.73k | float *data; |
2755 | 2.73k | switch (direntry->tdir_type) |
2756 | 2.73k | { |
2757 | 2 | case TIFF_BYTE: |
2758 | 14 | case TIFF_SBYTE: |
2759 | 14 | case TIFF_SHORT: |
2760 | 14 | case TIFF_SSHORT: |
2761 | 26 | case TIFF_LONG: |
2762 | 39 | case TIFF_SLONG: |
2763 | 47 | case TIFF_LONG8: |
2764 | 48 | case TIFF_SLONG8: |
2765 | 2.08k | case TIFF_RATIONAL: |
2766 | 2.43k | case TIFF_SRATIONAL: |
2767 | 2.67k | case TIFF_FLOAT: |
2768 | 2.69k | case TIFF_DOUBLE: |
2769 | 2.69k | break; |
2770 | 41 | default: |
2771 | 41 | return (TIFFReadDirEntryErrType); |
2772 | 2.73k | } |
2773 | 2.69k | err = TIFFReadDirEntryArray(tif, direntry, &count, 4, &origdata); |
2774 | 2.69k | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
2775 | 2.13k | { |
2776 | 2.13k | *value = 0; |
2777 | 2.13k | return (err); |
2778 | 2.13k | } |
2779 | 557 | switch (direntry->tdir_type) |
2780 | 557 | { |
2781 | 44 | case TIFF_FLOAT: |
2782 | 44 | if (tif->tif_flags & TIFF_SWAB) |
2783 | 2 | TIFFSwabArrayOfLong((uint32_t *)origdata, count); |
2784 | 44 | TIFFCvtIEEEDoubleToNative(tif, count, (float *)origdata); |
2785 | 44 | *value = (float *)origdata; |
2786 | 44 | return (TIFFReadDirEntryErrOk); |
2787 | 557 | } |
2788 | 513 | data = (float *)_TIFFmallocExt(tif, count * sizeof(float)); |
2789 | 513 | if (data == 0) |
2790 | 0 | { |
2791 | 0 | _TIFFfreeExt(tif, origdata); |
2792 | 0 | return (TIFFReadDirEntryErrAlloc); |
2793 | 0 | } |
2794 | 513 | switch (direntry->tdir_type) |
2795 | 513 | { |
2796 | 1 | case TIFF_BYTE: |
2797 | 1 | { |
2798 | 1 | uint8_t *ma; |
2799 | 1 | float *mb; |
2800 | 1 | uint32_t n; |
2801 | 1 | ma = (uint8_t *)origdata; |
2802 | 1 | mb = data; |
2803 | 5 | for (n = 0; n < count; n++) |
2804 | 4 | *mb++ = (float)(*ma++); |
2805 | 1 | } |
2806 | 1 | break; |
2807 | 11 | case TIFF_SBYTE: |
2808 | 11 | { |
2809 | 11 | int8_t *ma; |
2810 | 11 | float *mb; |
2811 | 11 | uint32_t n; |
2812 | 11 | ma = (int8_t *)origdata; |
2813 | 11 | mb = data; |
2814 | 59 | for (n = 0; n < count; n++) |
2815 | 48 | *mb++ = (float)(*ma++); |
2816 | 11 | } |
2817 | 11 | break; |
2818 | 0 | case TIFF_SHORT: |
2819 | 0 | { |
2820 | 0 | uint16_t *ma; |
2821 | 0 | float *mb; |
2822 | 0 | uint32_t n; |
2823 | 0 | ma = (uint16_t *)origdata; |
2824 | 0 | mb = data; |
2825 | 0 | for (n = 0; n < count; n++) |
2826 | 0 | { |
2827 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2828 | 0 | TIFFSwabShort(ma); |
2829 | 0 | *mb++ = (float)(*ma++); |
2830 | 0 | } |
2831 | 0 | } |
2832 | 0 | break; |
2833 | 0 | case TIFF_SSHORT: |
2834 | 0 | { |
2835 | 0 | int16_t *ma; |
2836 | 0 | float *mb; |
2837 | 0 | uint32_t n; |
2838 | 0 | ma = (int16_t *)origdata; |
2839 | 0 | mb = data; |
2840 | 0 | for (n = 0; n < count; n++) |
2841 | 0 | { |
2842 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2843 | 0 | TIFFSwabShort((uint16_t *)ma); |
2844 | 0 | *mb++ = (float)(*ma++); |
2845 | 0 | } |
2846 | 0 | } |
2847 | 0 | break; |
2848 | 12 | case TIFF_LONG: |
2849 | 12 | { |
2850 | 12 | uint32_t *ma; |
2851 | 12 | float *mb; |
2852 | 12 | uint32_t n; |
2853 | 12 | ma = (uint32_t *)origdata; |
2854 | 12 | mb = data; |
2855 | 186 | for (n = 0; n < count; n++) |
2856 | 174 | { |
2857 | 174 | if (tif->tif_flags & TIFF_SWAB) |
2858 | 0 | TIFFSwabLong(ma); |
2859 | 174 | *mb++ = (float)(*ma++); |
2860 | 174 | } |
2861 | 12 | } |
2862 | 12 | break; |
2863 | 0 | case TIFF_SLONG: |
2864 | 0 | { |
2865 | 0 | int32_t *ma; |
2866 | 0 | float *mb; |
2867 | 0 | uint32_t n; |
2868 | 0 | ma = (int32_t *)origdata; |
2869 | 0 | mb = data; |
2870 | 0 | for (n = 0; n < count; n++) |
2871 | 0 | { |
2872 | 0 | if (tif->tif_flags & TIFF_SWAB) |
2873 | 0 | TIFFSwabLong((uint32_t *)ma); |
2874 | 0 | *mb++ = (float)(*ma++); |
2875 | 0 | } |
2876 | 0 | } |
2877 | 0 | break; |
2878 | 8 | case TIFF_LONG8: |
2879 | 8 | { |
2880 | 8 | uint64_t *ma; |
2881 | 8 | float *mb; |
2882 | 8 | uint32_t n; |
2883 | 8 | ma = (uint64_t *)origdata; |
2884 | 8 | mb = data; |
2885 | 141 | for (n = 0; n < count; n++) |
2886 | 133 | { |
2887 | 133 | if (tif->tif_flags & TIFF_SWAB) |
2888 | 0 | TIFFSwabLong8(ma); |
2889 | | #if defined(__WIN32__) && (_MSC_VER < 1500) |
2890 | | /* |
2891 | | * XXX: MSVC 6.0 does not support |
2892 | | * conversion of 64-bit integers into |
2893 | | * floating point values. |
2894 | | */ |
2895 | | *mb++ = _TIFFUInt64ToFloat(*ma++); |
2896 | | #else |
2897 | 133 | *mb++ = (float)(*ma++); |
2898 | 133 | #endif |
2899 | 133 | } |
2900 | 8 | } |
2901 | 8 | break; |
2902 | 1 | case TIFF_SLONG8: |
2903 | 1 | { |
2904 | 1 | int64_t *ma; |
2905 | 1 | float *mb; |
2906 | 1 | uint32_t n; |
2907 | 1 | ma = (int64_t *)origdata; |
2908 | 1 | mb = data; |
2909 | 252 | for (n = 0; n < count; n++) |
2910 | 251 | { |
2911 | 251 | if (tif->tif_flags & TIFF_SWAB) |
2912 | 0 | TIFFSwabLong8((uint64_t *)ma); |
2913 | 251 | *mb++ = (float)(*ma++); |
2914 | 251 | } |
2915 | 1 | } |
2916 | 1 | break; |
2917 | 367 | case TIFF_RATIONAL: |
2918 | 367 | { |
2919 | 367 | uint32_t *ma; |
2920 | 367 | uint32_t maa; |
2921 | 367 | uint32_t mab; |
2922 | 367 | float *mb; |
2923 | 367 | uint32_t n; |
2924 | 367 | ma = (uint32_t *)origdata; |
2925 | 367 | mb = data; |
2926 | 4.46k | for (n = 0; n < count; n++) |
2927 | 4.09k | { |
2928 | 4.09k | if (tif->tif_flags & TIFF_SWAB) |
2929 | 1.79k | TIFFSwabLong(ma); |
2930 | 4.09k | maa = *ma++; |
2931 | 4.09k | if (tif->tif_flags & TIFF_SWAB) |
2932 | 1.79k | TIFFSwabLong(ma); |
2933 | 4.09k | mab = *ma++; |
2934 | 4.09k | if (mab == 0) |
2935 | 430 | *mb++ = 0.0; |
2936 | 3.66k | else |
2937 | 3.66k | *mb++ = (float)maa / (float)mab; |
2938 | 4.09k | } |
2939 | 367 | } |
2940 | 367 | break; |
2941 | 95 | case TIFF_SRATIONAL: |
2942 | 95 | { |
2943 | 95 | uint32_t *ma; |
2944 | 95 | int32_t maa; |
2945 | 95 | uint32_t mab; |
2946 | 95 | float *mb; |
2947 | 95 | uint32_t n; |
2948 | 95 | ma = (uint32_t *)origdata; |
2949 | 95 | mb = data; |
2950 | 7.76k | for (n = 0; n < count; n++) |
2951 | 7.67k | { |
2952 | 7.67k | if (tif->tif_flags & TIFF_SWAB) |
2953 | 5 | TIFFSwabLong(ma); |
2954 | 7.67k | maa = *(int32_t *)ma; |
2955 | 7.67k | ma++; |
2956 | 7.67k | if (tif->tif_flags & TIFF_SWAB) |
2957 | 5 | TIFFSwabLong(ma); |
2958 | 7.67k | mab = *ma++; |
2959 | 7.67k | if (mab == 0) |
2960 | 1.39k | *mb++ = 0.0; |
2961 | 6.27k | else |
2962 | 6.27k | *mb++ = (float)maa / (float)mab; |
2963 | 7.67k | } |
2964 | 95 | } |
2965 | 95 | break; |
2966 | 18 | case TIFF_DOUBLE: |
2967 | 18 | { |
2968 | 18 | double *ma; |
2969 | 18 | float *mb; |
2970 | 18 | uint32_t n; |
2971 | 18 | if (tif->tif_flags & TIFF_SWAB) |
2972 | 0 | TIFFSwabArrayOfLong8((uint64_t *)origdata, count); |
2973 | 18 | TIFFCvtIEEEDoubleToNative(tif, count, (double *)origdata); |
2974 | 18 | ma = (double *)origdata; |
2975 | 18 | mb = data; |
2976 | 2.14k | for (n = 0; n < count; n++) |
2977 | 2.12k | { |
2978 | 2.12k | double val = *ma++; |
2979 | 2.12k | if (val > FLT_MAX) |
2980 | 402 | val = FLT_MAX; |
2981 | 1.72k | else if (val < -FLT_MAX) |
2982 | 566 | val = -FLT_MAX; |
2983 | 2.12k | *mb++ = (float)val; |
2984 | 2.12k | } |
2985 | 18 | } |
2986 | 18 | break; |
2987 | 513 | } |
2988 | 513 | _TIFFfreeExt(tif, origdata); |
2989 | 513 | *value = data; |
2990 | 513 | return (TIFFReadDirEntryErrOk); |
2991 | 513 | } |
2992 | | |
2993 | | static enum TIFFReadDirEntryErr |
2994 | | TIFFReadDirEntryDoubleArray(TIFF *tif, TIFFDirEntry *direntry, double **value) |
2995 | 326 | { |
2996 | 326 | enum TIFFReadDirEntryErr err; |
2997 | 326 | uint32_t count; |
2998 | 326 | void *origdata; |
2999 | 326 | double *data; |
3000 | 326 | switch (direntry->tdir_type) |
3001 | 326 | { |
3002 | 0 | case TIFF_BYTE: |
3003 | 0 | case TIFF_SBYTE: |
3004 | 0 | case TIFF_SHORT: |
3005 | 0 | case TIFF_SSHORT: |
3006 | 0 | case TIFF_LONG: |
3007 | 0 | case TIFF_SLONG: |
3008 | 0 | case TIFF_LONG8: |
3009 | 0 | case TIFF_SLONG8: |
3010 | 0 | case TIFF_RATIONAL: |
3011 | 2 | case TIFF_SRATIONAL: |
3012 | 3 | case TIFF_FLOAT: |
3013 | 326 | case TIFF_DOUBLE: |
3014 | 326 | break; |
3015 | 0 | default: |
3016 | 0 | return (TIFFReadDirEntryErrType); |
3017 | 326 | } |
3018 | 326 | err = TIFFReadDirEntryArray(tif, direntry, &count, 8, &origdata); |
3019 | 326 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
3020 | 190 | { |
3021 | 190 | *value = 0; |
3022 | 190 | return (err); |
3023 | 190 | } |
3024 | 136 | switch (direntry->tdir_type) |
3025 | 136 | { |
3026 | 133 | case TIFF_DOUBLE: |
3027 | 133 | if (tif->tif_flags & TIFF_SWAB) |
3028 | 8 | TIFFSwabArrayOfLong8((uint64_t *)origdata, count); |
3029 | 133 | TIFFCvtIEEEDoubleToNative(tif, count, (double *)origdata); |
3030 | 133 | *value = (double *)origdata; |
3031 | 133 | return (TIFFReadDirEntryErrOk); |
3032 | 136 | } |
3033 | 3 | data = (double *)_TIFFmallocExt(tif, count * sizeof(double)); |
3034 | 3 | if (data == 0) |
3035 | 0 | { |
3036 | 0 | _TIFFfreeExt(tif, origdata); |
3037 | 0 | return (TIFFReadDirEntryErrAlloc); |
3038 | 0 | } |
3039 | 3 | switch (direntry->tdir_type) |
3040 | 3 | { |
3041 | 0 | case TIFF_BYTE: |
3042 | 0 | { |
3043 | 0 | uint8_t *ma; |
3044 | 0 | double *mb; |
3045 | 0 | uint32_t n; |
3046 | 0 | ma = (uint8_t *)origdata; |
3047 | 0 | mb = data; |
3048 | 0 | for (n = 0; n < count; n++) |
3049 | 0 | *mb++ = (double)(*ma++); |
3050 | 0 | } |
3051 | 0 | break; |
3052 | 0 | case TIFF_SBYTE: |
3053 | 0 | { |
3054 | 0 | int8_t *ma; |
3055 | 0 | double *mb; |
3056 | 0 | uint32_t n; |
3057 | 0 | ma = (int8_t *)origdata; |
3058 | 0 | mb = data; |
3059 | 0 | for (n = 0; n < count; n++) |
3060 | 0 | *mb++ = (double)(*ma++); |
3061 | 0 | } |
3062 | 0 | break; |
3063 | 0 | case TIFF_SHORT: |
3064 | 0 | { |
3065 | 0 | uint16_t *ma; |
3066 | 0 | double *mb; |
3067 | 0 | uint32_t n; |
3068 | 0 | ma = (uint16_t *)origdata; |
3069 | 0 | mb = data; |
3070 | 0 | for (n = 0; n < count; n++) |
3071 | 0 | { |
3072 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3073 | 0 | TIFFSwabShort(ma); |
3074 | 0 | *mb++ = (double)(*ma++); |
3075 | 0 | } |
3076 | 0 | } |
3077 | 0 | break; |
3078 | 0 | case TIFF_SSHORT: |
3079 | 0 | { |
3080 | 0 | int16_t *ma; |
3081 | 0 | double *mb; |
3082 | 0 | uint32_t n; |
3083 | 0 | ma = (int16_t *)origdata; |
3084 | 0 | mb = data; |
3085 | 0 | for (n = 0; n < count; n++) |
3086 | 0 | { |
3087 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3088 | 0 | TIFFSwabShort((uint16_t *)ma); |
3089 | 0 | *mb++ = (double)(*ma++); |
3090 | 0 | } |
3091 | 0 | } |
3092 | 0 | break; |
3093 | 0 | case TIFF_LONG: |
3094 | 0 | { |
3095 | 0 | uint32_t *ma; |
3096 | 0 | double *mb; |
3097 | 0 | uint32_t n; |
3098 | 0 | ma = (uint32_t *)origdata; |
3099 | 0 | mb = data; |
3100 | 0 | for (n = 0; n < count; n++) |
3101 | 0 | { |
3102 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3103 | 0 | TIFFSwabLong(ma); |
3104 | 0 | *mb++ = (double)(*ma++); |
3105 | 0 | } |
3106 | 0 | } |
3107 | 0 | break; |
3108 | 0 | case TIFF_SLONG: |
3109 | 0 | { |
3110 | 0 | int32_t *ma; |
3111 | 0 | double *mb; |
3112 | 0 | uint32_t n; |
3113 | 0 | ma = (int32_t *)origdata; |
3114 | 0 | mb = data; |
3115 | 0 | for (n = 0; n < count; n++) |
3116 | 0 | { |
3117 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3118 | 0 | TIFFSwabLong((uint32_t *)ma); |
3119 | 0 | *mb++ = (double)(*ma++); |
3120 | 0 | } |
3121 | 0 | } |
3122 | 0 | break; |
3123 | 0 | case TIFF_LONG8: |
3124 | 0 | { |
3125 | 0 | uint64_t *ma; |
3126 | 0 | double *mb; |
3127 | 0 | uint32_t n; |
3128 | 0 | ma = (uint64_t *)origdata; |
3129 | 0 | mb = data; |
3130 | 0 | for (n = 0; n < count; n++) |
3131 | 0 | { |
3132 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3133 | 0 | TIFFSwabLong8(ma); |
3134 | | #if defined(__WIN32__) && (_MSC_VER < 1500) |
3135 | | /* |
3136 | | * XXX: MSVC 6.0 does not support |
3137 | | * conversion of 64-bit integers into |
3138 | | * floating point values. |
3139 | | */ |
3140 | | *mb++ = _TIFFUInt64ToDouble(*ma++); |
3141 | | #else |
3142 | 0 | *mb++ = (double)(*ma++); |
3143 | 0 | #endif |
3144 | 0 | } |
3145 | 0 | } |
3146 | 0 | break; |
3147 | 0 | case TIFF_SLONG8: |
3148 | 0 | { |
3149 | 0 | int64_t *ma; |
3150 | 0 | double *mb; |
3151 | 0 | uint32_t n; |
3152 | 0 | ma = (int64_t *)origdata; |
3153 | 0 | mb = data; |
3154 | 0 | for (n = 0; n < count; n++) |
3155 | 0 | { |
3156 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3157 | 0 | TIFFSwabLong8((uint64_t *)ma); |
3158 | 0 | *mb++ = (double)(*ma++); |
3159 | 0 | } |
3160 | 0 | } |
3161 | 0 | break; |
3162 | 0 | case TIFF_RATIONAL: |
3163 | 0 | { |
3164 | 0 | uint32_t *ma; |
3165 | 0 | uint32_t maa; |
3166 | 0 | uint32_t mab; |
3167 | 0 | double *mb; |
3168 | 0 | uint32_t n; |
3169 | 0 | ma = (uint32_t *)origdata; |
3170 | 0 | mb = data; |
3171 | 0 | for (n = 0; n < count; n++) |
3172 | 0 | { |
3173 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3174 | 0 | TIFFSwabLong(ma); |
3175 | 0 | maa = *ma++; |
3176 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3177 | 0 | TIFFSwabLong(ma); |
3178 | 0 | mab = *ma++; |
3179 | 0 | if (mab == 0) |
3180 | 0 | *mb++ = 0.0; |
3181 | 0 | else |
3182 | 0 | *mb++ = (double)maa / (double)mab; |
3183 | 0 | } |
3184 | 0 | } |
3185 | 0 | break; |
3186 | 2 | case TIFF_SRATIONAL: |
3187 | 2 | { |
3188 | 2 | uint32_t *ma; |
3189 | 2 | int32_t maa; |
3190 | 2 | uint32_t mab; |
3191 | 2 | double *mb; |
3192 | 2 | uint32_t n; |
3193 | 2 | ma = (uint32_t *)origdata; |
3194 | 2 | mb = data; |
3195 | 514 | for (n = 0; n < count; n++) |
3196 | 512 | { |
3197 | 512 | if (tif->tif_flags & TIFF_SWAB) |
3198 | 512 | TIFFSwabLong(ma); |
3199 | 512 | maa = *(int32_t *)ma; |
3200 | 512 | ma++; |
3201 | 512 | if (tif->tif_flags & TIFF_SWAB) |
3202 | 512 | TIFFSwabLong(ma); |
3203 | 512 | mab = *ma++; |
3204 | 512 | if (mab == 0) |
3205 | 263 | *mb++ = 0.0; |
3206 | 249 | else |
3207 | 249 | *mb++ = (double)maa / (double)mab; |
3208 | 512 | } |
3209 | 2 | } |
3210 | 2 | break; |
3211 | 1 | case TIFF_FLOAT: |
3212 | 1 | { |
3213 | 1 | float *ma; |
3214 | 1 | double *mb; |
3215 | 1 | uint32_t n; |
3216 | 1 | if (tif->tif_flags & TIFF_SWAB) |
3217 | 1 | TIFFSwabArrayOfLong((uint32_t *)origdata, count); |
3218 | 1 | TIFFCvtIEEEFloatToNative(tif, count, (float *)origdata); |
3219 | 1 | ma = (float *)origdata; |
3220 | 1 | mb = data; |
3221 | 257 | for (n = 0; n < count; n++) |
3222 | 256 | *mb++ = (double)(*ma++); |
3223 | 1 | } |
3224 | 1 | break; |
3225 | 3 | } |
3226 | 3 | _TIFFfreeExt(tif, origdata); |
3227 | 3 | *value = data; |
3228 | 3 | return (TIFFReadDirEntryErrOk); |
3229 | 3 | } |
3230 | | |
3231 | | static enum TIFFReadDirEntryErr |
3232 | | TIFFReadDirEntryIfd8Array(TIFF *tif, TIFFDirEntry *direntry, uint64_t **value) |
3233 | 253 | { |
3234 | 253 | enum TIFFReadDirEntryErr err; |
3235 | 253 | uint32_t count; |
3236 | 253 | void *origdata; |
3237 | 253 | uint64_t *data; |
3238 | 253 | switch (direntry->tdir_type) |
3239 | 253 | { |
3240 | 2 | case TIFF_LONG: |
3241 | 2 | case TIFF_LONG8: |
3242 | 143 | case TIFF_IFD: |
3243 | 251 | case TIFF_IFD8: |
3244 | 251 | break; |
3245 | 2 | default: |
3246 | 2 | return (TIFFReadDirEntryErrType); |
3247 | 253 | } |
3248 | 251 | err = TIFFReadDirEntryArray(tif, direntry, &count, 8, &origdata); |
3249 | 251 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
3250 | 201 | { |
3251 | 201 | *value = 0; |
3252 | 201 | return (err); |
3253 | 201 | } |
3254 | 50 | switch (direntry->tdir_type) |
3255 | 50 | { |
3256 | 0 | case TIFF_LONG8: |
3257 | 9 | case TIFF_IFD8: |
3258 | 9 | *value = (uint64_t *)origdata; |
3259 | 9 | if (tif->tif_flags & TIFF_SWAB) |
3260 | 5 | TIFFSwabArrayOfLong8(*value, count); |
3261 | 9 | return (TIFFReadDirEntryErrOk); |
3262 | 50 | } |
3263 | 41 | data = (uint64_t *)_TIFFmallocExt(tif, count * 8); |
3264 | 41 | if (data == 0) |
3265 | 0 | { |
3266 | 0 | _TIFFfreeExt(tif, origdata); |
3267 | 0 | return (TIFFReadDirEntryErrAlloc); |
3268 | 0 | } |
3269 | 41 | switch (direntry->tdir_type) |
3270 | 41 | { |
3271 | 2 | case TIFF_LONG: |
3272 | 41 | case TIFF_IFD: |
3273 | 41 | { |
3274 | 41 | uint32_t *ma; |
3275 | 41 | uint64_t *mb; |
3276 | 41 | uint32_t n; |
3277 | 41 | ma = (uint32_t *)origdata; |
3278 | 41 | mb = data; |
3279 | 10.5k | for (n = 0; n < count; n++) |
3280 | 10.5k | { |
3281 | 10.5k | if (tif->tif_flags & TIFF_SWAB) |
3282 | 6 | TIFFSwabLong(ma); |
3283 | 10.5k | *mb++ = (uint64_t)(*ma++); |
3284 | 10.5k | } |
3285 | 41 | } |
3286 | 41 | break; |
3287 | 41 | } |
3288 | 41 | _TIFFfreeExt(tif, origdata); |
3289 | 41 | *value = data; |
3290 | 41 | return (TIFFReadDirEntryErrOk); |
3291 | 41 | } |
3292 | | |
3293 | | static enum TIFFReadDirEntryErr |
3294 | | TIFFReadDirEntryPersampleShort(TIFF *tif, TIFFDirEntry *direntry, |
3295 | | uint16_t *value) |
3296 | 255 | { |
3297 | 255 | enum TIFFReadDirEntryErr err; |
3298 | 255 | uint16_t *m; |
3299 | 255 | uint16_t *na; |
3300 | 255 | uint16_t nb; |
3301 | 255 | if (direntry->tdir_count < (uint64_t)tif->tif_dir.td_samplesperpixel) |
3302 | 3 | return (TIFFReadDirEntryErrCount); |
3303 | 252 | err = TIFFReadDirEntryShortArray(tif, direntry, &m); |
3304 | 252 | if (err != TIFFReadDirEntryErrOk || m == NULL) |
3305 | 15 | return (err); |
3306 | 237 | na = m; |
3307 | 237 | nb = tif->tif_dir.td_samplesperpixel; |
3308 | 237 | *value = *na++; |
3309 | 237 | nb--; |
3310 | 950 | while (nb > 0) |
3311 | 713 | { |
3312 | 713 | if (*na++ != *value) |
3313 | 0 | { |
3314 | 0 | err = TIFFReadDirEntryErrPsdif; |
3315 | 0 | break; |
3316 | 0 | } |
3317 | 713 | nb--; |
3318 | 713 | } |
3319 | 237 | _TIFFfreeExt(tif, m); |
3320 | 237 | return (err); |
3321 | 252 | } |
3322 | | |
3323 | | static void TIFFReadDirEntryCheckedByte(TIFF *tif, TIFFDirEntry *direntry, |
3324 | | uint8_t *value) |
3325 | 479 | { |
3326 | 479 | (void)tif; |
3327 | 479 | *value = *(uint8_t *)(&direntry->tdir_offset); |
3328 | 479 | } |
3329 | | |
3330 | | static void TIFFReadDirEntryCheckedSbyte(TIFF *tif, TIFFDirEntry *direntry, |
3331 | | int8_t *value) |
3332 | 75 | { |
3333 | 75 | (void)tif; |
3334 | 75 | *value = *(int8_t *)(&direntry->tdir_offset); |
3335 | 75 | } |
3336 | | |
3337 | | static void TIFFReadDirEntryCheckedShort(TIFF *tif, TIFFDirEntry *direntry, |
3338 | | uint16_t *value) |
3339 | 10.0k | { |
3340 | 10.0k | *value = direntry->tdir_offset.toff_short; |
3341 | | /* *value=*(uint16_t*)(&direntry->tdir_offset); */ |
3342 | 10.0k | if (tif->tif_flags & TIFF_SWAB) |
3343 | 671 | TIFFSwabShort(value); |
3344 | 10.0k | } |
3345 | | |
3346 | | static void TIFFReadDirEntryCheckedSshort(TIFF *tif, TIFFDirEntry *direntry, |
3347 | | int16_t *value) |
3348 | 32 | { |
3349 | 32 | *value = *(int16_t *)(&direntry->tdir_offset); |
3350 | 32 | if (tif->tif_flags & TIFF_SWAB) |
3351 | 4 | TIFFSwabShort((uint16_t *)value); |
3352 | 32 | } |
3353 | | |
3354 | | static void TIFFReadDirEntryCheckedLong(TIFF *tif, TIFFDirEntry *direntry, |
3355 | | uint32_t *value) |
3356 | 486 | { |
3357 | 486 | *value = *(uint32_t *)(&direntry->tdir_offset); |
3358 | 486 | if (tif->tif_flags & TIFF_SWAB) |
3359 | 331 | TIFFSwabLong(value); |
3360 | 486 | } |
3361 | | |
3362 | | static void TIFFReadDirEntryCheckedSlong(TIFF *tif, TIFFDirEntry *direntry, |
3363 | | int32_t *value) |
3364 | 25 | { |
3365 | 25 | *value = *(int32_t *)(&direntry->tdir_offset); |
3366 | 25 | if (tif->tif_flags & TIFF_SWAB) |
3367 | 6 | TIFFSwabLong((uint32_t *)value); |
3368 | 25 | } |
3369 | | |
3370 | | static enum TIFFReadDirEntryErr |
3371 | | TIFFReadDirEntryCheckedLong8(TIFF *tif, TIFFDirEntry *direntry, uint64_t *value) |
3372 | 17 | { |
3373 | 17 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3374 | 3 | { |
3375 | 3 | enum TIFFReadDirEntryErr err; |
3376 | 3 | uint32_t offset = direntry->tdir_offset.toff_long; |
3377 | 3 | if (tif->tif_flags & TIFF_SWAB) |
3378 | 0 | TIFFSwabLong(&offset); |
3379 | 3 | err = TIFFReadDirEntryData(tif, offset, 8, value); |
3380 | 3 | if (err != TIFFReadDirEntryErrOk) |
3381 | 0 | return (err); |
3382 | 3 | } |
3383 | 14 | else |
3384 | 14 | *value = direntry->tdir_offset.toff_long8; |
3385 | 17 | if (tif->tif_flags & TIFF_SWAB) |
3386 | 0 | TIFFSwabLong8(value); |
3387 | 17 | return (TIFFReadDirEntryErrOk); |
3388 | 17 | } |
3389 | | |
3390 | | static enum TIFFReadDirEntryErr |
3391 | | TIFFReadDirEntryCheckedSlong8(TIFF *tif, TIFFDirEntry *direntry, int64_t *value) |
3392 | 15 | { |
3393 | 15 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3394 | 15 | { |
3395 | 15 | enum TIFFReadDirEntryErr err; |
3396 | 15 | uint32_t offset = direntry->tdir_offset.toff_long; |
3397 | 15 | if (tif->tif_flags & TIFF_SWAB) |
3398 | 0 | TIFFSwabLong(&offset); |
3399 | 15 | err = TIFFReadDirEntryData(tif, offset, 8, value); |
3400 | 15 | if (err != TIFFReadDirEntryErrOk) |
3401 | 11 | return (err); |
3402 | 15 | } |
3403 | 0 | else |
3404 | 0 | *value = *(int64_t *)(&direntry->tdir_offset); |
3405 | 4 | if (tif->tif_flags & TIFF_SWAB) |
3406 | 0 | TIFFSwabLong8((uint64_t *)value); |
3407 | 4 | return (TIFFReadDirEntryErrOk); |
3408 | 15 | } |
3409 | | |
3410 | | static enum TIFFReadDirEntryErr |
3411 | | TIFFReadDirEntryCheckedRational(TIFF *tif, TIFFDirEntry *direntry, |
3412 | | double *value) |
3413 | 189 | { |
3414 | 189 | UInt64Aligned_t m; |
3415 | | |
3416 | 189 | assert(sizeof(double) == 8); |
3417 | 189 | assert(sizeof(uint64_t) == 8); |
3418 | 189 | assert(sizeof(uint32_t) == 4); |
3419 | 189 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3420 | 189 | { |
3421 | 189 | enum TIFFReadDirEntryErr err; |
3422 | 189 | uint32_t offset = direntry->tdir_offset.toff_long; |
3423 | 189 | if (tif->tif_flags & TIFF_SWAB) |
3424 | 24 | TIFFSwabLong(&offset); |
3425 | 189 | err = TIFFReadDirEntryData(tif, offset, 8, m.i); |
3426 | 189 | if (err != TIFFReadDirEntryErrOk) |
3427 | 10 | return (err); |
3428 | 189 | } |
3429 | 0 | else |
3430 | 0 | m.l = direntry->tdir_offset.toff_long8; |
3431 | 179 | if (tif->tif_flags & TIFF_SWAB) |
3432 | 22 | TIFFSwabArrayOfLong(m.i, 2); |
3433 | | /* Not completely sure what we should do when m.i[1]==0, but some */ |
3434 | | /* sanitizers do not like division by 0.0: */ |
3435 | | /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ |
3436 | 179 | if (m.i[0] == 0 || m.i[1] == 0) |
3437 | 11 | *value = 0.0; |
3438 | 168 | else |
3439 | 168 | *value = (double)m.i[0] / (double)m.i[1]; |
3440 | 179 | return (TIFFReadDirEntryErrOk); |
3441 | 189 | } |
3442 | | |
3443 | | static enum TIFFReadDirEntryErr |
3444 | | TIFFReadDirEntryCheckedSrational(TIFF *tif, TIFFDirEntry *direntry, |
3445 | | double *value) |
3446 | 17 | { |
3447 | 17 | UInt64Aligned_t m; |
3448 | 17 | assert(sizeof(double) == 8); |
3449 | 17 | assert(sizeof(uint64_t) == 8); |
3450 | 17 | assert(sizeof(int32_t) == 4); |
3451 | 17 | assert(sizeof(uint32_t) == 4); |
3452 | 17 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3453 | 17 | { |
3454 | 17 | enum TIFFReadDirEntryErr err; |
3455 | 17 | uint32_t offset = direntry->tdir_offset.toff_long; |
3456 | 17 | if (tif->tif_flags & TIFF_SWAB) |
3457 | 0 | TIFFSwabLong(&offset); |
3458 | 17 | err = TIFFReadDirEntryData(tif, offset, 8, m.i); |
3459 | 17 | if (err != TIFFReadDirEntryErrOk) |
3460 | 1 | return (err); |
3461 | 17 | } |
3462 | 0 | else |
3463 | 0 | m.l = direntry->tdir_offset.toff_long8; |
3464 | 16 | if (tif->tif_flags & TIFF_SWAB) |
3465 | 0 | TIFFSwabArrayOfLong(m.i, 2); |
3466 | | /* Not completely sure what we should do when m.i[1]==0, but some */ |
3467 | | /* sanitizers do not like division by 0.0: */ |
3468 | | /* http://bugzilla.maptools.org/show_bug.cgi?id=2644 */ |
3469 | 16 | if ((int32_t)m.i[0] == 0 || m.i[1] == 0) |
3470 | 0 | *value = 0.0; |
3471 | 16 | else |
3472 | 16 | *value = (double)((int32_t)m.i[0]) / (double)m.i[1]; |
3473 | 16 | return (TIFFReadDirEntryErrOk); |
3474 | 17 | } |
3475 | | |
3476 | | #if 0 |
3477 | | static enum TIFFReadDirEntryErr |
3478 | | TIFFReadDirEntryCheckedRationalDirect(TIFF *tif, TIFFDirEntry *direntry, |
3479 | | TIFFRational_t *value) |
3480 | | { /*--: SetGetRATIONAL_directly:_CustomTag: Read rational (and signed rationals) |
3481 | | directly --*/ |
3482 | | UInt64Aligned_t m; |
3483 | | |
3484 | | assert(sizeof(double) == 8); |
3485 | | assert(sizeof(uint64_t) == 8); |
3486 | | assert(sizeof(uint32_t) == 4); |
3487 | | |
3488 | | if (direntry->tdir_count != 1) |
3489 | | return (TIFFReadDirEntryErrCount); |
3490 | | |
3491 | | if (direntry->tdir_type != TIFF_RATIONAL && |
3492 | | direntry->tdir_type != TIFF_SRATIONAL) |
3493 | | return (TIFFReadDirEntryErrType); |
3494 | | |
3495 | | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3496 | | { |
3497 | | enum TIFFReadDirEntryErr err; |
3498 | | uint32_t offset = direntry->tdir_offset.toff_long; |
3499 | | if (tif->tif_flags & TIFF_SWAB) |
3500 | | TIFFSwabLong(&offset); |
3501 | | err = TIFFReadDirEntryData(tif, offset, 8, m.i); |
3502 | | if (err != TIFFReadDirEntryErrOk) |
3503 | | return (err); |
3504 | | } |
3505 | | else |
3506 | | { |
3507 | | m.l = direntry->tdir_offset.toff_long8; |
3508 | | } |
3509 | | |
3510 | | if (tif->tif_flags & TIFF_SWAB) |
3511 | | TIFFSwabArrayOfLong(m.i, 2); |
3512 | | |
3513 | | value->uNum = m.i[0]; |
3514 | | value->uDenom = m.i[1]; |
3515 | | return (TIFFReadDirEntryErrOk); |
3516 | | } /*-- TIFFReadDirEntryCheckedRationalDirect() --*/ |
3517 | | #endif |
3518 | | |
3519 | | static void TIFFReadDirEntryCheckedFloat(TIFF *tif, TIFFDirEntry *direntry, |
3520 | | float *value) |
3521 | 0 | { |
3522 | 0 | union |
3523 | 0 | { |
3524 | 0 | float f; |
3525 | 0 | uint32_t i; |
3526 | 0 | } float_union; |
3527 | 0 | assert(sizeof(float) == 4); |
3528 | 0 | assert(sizeof(uint32_t) == 4); |
3529 | 0 | assert(sizeof(float_union) == 4); |
3530 | 0 | float_union.i = *(uint32_t *)(&direntry->tdir_offset); |
3531 | 0 | *value = float_union.f; |
3532 | 0 | if (tif->tif_flags & TIFF_SWAB) |
3533 | 0 | TIFFSwabLong((uint32_t *)value); |
3534 | 0 | } |
3535 | | |
3536 | | static enum TIFFReadDirEntryErr |
3537 | | TIFFReadDirEntryCheckedDouble(TIFF *tif, TIFFDirEntry *direntry, double *value) |
3538 | 5 | { |
3539 | 5 | assert(sizeof(double) == 8); |
3540 | 5 | assert(sizeof(uint64_t) == 8); |
3541 | 5 | assert(sizeof(UInt64Aligned_t) == 8); |
3542 | 5 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
3543 | 5 | { |
3544 | 5 | enum TIFFReadDirEntryErr err; |
3545 | 5 | uint32_t offset = direntry->tdir_offset.toff_long; |
3546 | 5 | if (tif->tif_flags & TIFF_SWAB) |
3547 | 0 | TIFFSwabLong(&offset); |
3548 | 5 | err = TIFFReadDirEntryData(tif, offset, 8, value); |
3549 | 5 | if (err != TIFFReadDirEntryErrOk) |
3550 | 3 | return (err); |
3551 | 5 | } |
3552 | 0 | else |
3553 | 0 | { |
3554 | 0 | UInt64Aligned_t uint64_union; |
3555 | 0 | uint64_union.l = direntry->tdir_offset.toff_long8; |
3556 | 0 | *value = uint64_union.d; |
3557 | 0 | } |
3558 | 2 | if (tif->tif_flags & TIFF_SWAB) |
3559 | 0 | TIFFSwabLong8((uint64_t *)value); |
3560 | 2 | return (TIFFReadDirEntryErrOk); |
3561 | 5 | } |
3562 | | |
3563 | | static enum TIFFReadDirEntryErr |
3564 | | TIFFReadDirEntryCheckRangeByteSbyte(int8_t value) |
3565 | 28 | { |
3566 | 28 | if (value < 0) |
3567 | 0 | return (TIFFReadDirEntryErrRange); |
3568 | 28 | else |
3569 | 28 | return (TIFFReadDirEntryErrOk); |
3570 | 28 | } |
3571 | | |
3572 | | static enum TIFFReadDirEntryErr |
3573 | | TIFFReadDirEntryCheckRangeByteShort(uint16_t value) |
3574 | 85 | { |
3575 | 85 | if (value > 0xFF) |
3576 | 15 | return (TIFFReadDirEntryErrRange); |
3577 | 70 | else |
3578 | 70 | return (TIFFReadDirEntryErrOk); |
3579 | 85 | } |
3580 | | |
3581 | | static enum TIFFReadDirEntryErr |
3582 | | TIFFReadDirEntryCheckRangeByteSshort(int16_t value) |
3583 | 47 | { |
3584 | 47 | if ((value < 0) || (value > 0xFF)) |
3585 | 2 | return (TIFFReadDirEntryErrRange); |
3586 | 45 | else |
3587 | 45 | return (TIFFReadDirEntryErrOk); |
3588 | 47 | } |
3589 | | |
3590 | | static enum TIFFReadDirEntryErr |
3591 | | TIFFReadDirEntryCheckRangeByteLong(uint32_t value) |
3592 | 252 | { |
3593 | 252 | if (value > 0xFF) |
3594 | 12 | return (TIFFReadDirEntryErrRange); |
3595 | 240 | else |
3596 | 240 | return (TIFFReadDirEntryErrOk); |
3597 | 252 | } |
3598 | | |
3599 | | static enum TIFFReadDirEntryErr |
3600 | | TIFFReadDirEntryCheckRangeByteSlong(int32_t value) |
3601 | 21 | { |
3602 | 21 | if ((value < 0) || (value > 0xFF)) |
3603 | 1 | return (TIFFReadDirEntryErrRange); |
3604 | 20 | else |
3605 | 20 | return (TIFFReadDirEntryErrOk); |
3606 | 21 | } |
3607 | | |
3608 | | static enum TIFFReadDirEntryErr |
3609 | | TIFFReadDirEntryCheckRangeByteLong8(uint64_t value) |
3610 | 5 | { |
3611 | 5 | if (value > 0xFF) |
3612 | 1 | return (TIFFReadDirEntryErrRange); |
3613 | 4 | else |
3614 | 4 | return (TIFFReadDirEntryErrOk); |
3615 | 5 | } |
3616 | | |
3617 | | static enum TIFFReadDirEntryErr |
3618 | | TIFFReadDirEntryCheckRangeByteSlong8(int64_t value) |
3619 | 2 | { |
3620 | 2 | if ((value < 0) || (value > 0xFF)) |
3621 | 2 | return (TIFFReadDirEntryErrRange); |
3622 | 0 | else |
3623 | 0 | return (TIFFReadDirEntryErrOk); |
3624 | 2 | } |
3625 | | |
3626 | | static enum TIFFReadDirEntryErr |
3627 | | TIFFReadDirEntryCheckRangeSbyteByte(uint8_t value) |
3628 | 0 | { |
3629 | 0 | if (value > 0x7F) |
3630 | 0 | return (TIFFReadDirEntryErrRange); |
3631 | 0 | else |
3632 | 0 | return (TIFFReadDirEntryErrOk); |
3633 | 0 | } |
3634 | | |
3635 | | static enum TIFFReadDirEntryErr |
3636 | | TIFFReadDirEntryCheckRangeSbyteShort(uint16_t value) |
3637 | 0 | { |
3638 | 0 | if (value > 0x7F) |
3639 | 0 | return (TIFFReadDirEntryErrRange); |
3640 | 0 | else |
3641 | 0 | return (TIFFReadDirEntryErrOk); |
3642 | 0 | } |
3643 | | |
3644 | | static enum TIFFReadDirEntryErr |
3645 | | TIFFReadDirEntryCheckRangeSbyteSshort(int16_t value) |
3646 | 0 | { |
3647 | 0 | if ((value < -0x80) || (value > 0x7F)) |
3648 | 0 | return (TIFFReadDirEntryErrRange); |
3649 | 0 | else |
3650 | 0 | return (TIFFReadDirEntryErrOk); |
3651 | 0 | } |
3652 | | |
3653 | | static enum TIFFReadDirEntryErr |
3654 | | TIFFReadDirEntryCheckRangeSbyteLong(uint32_t value) |
3655 | 0 | { |
3656 | 0 | if (value > 0x7F) |
3657 | 0 | return (TIFFReadDirEntryErrRange); |
3658 | 0 | else |
3659 | 0 | return (TIFFReadDirEntryErrOk); |
3660 | 0 | } |
3661 | | |
3662 | | static enum TIFFReadDirEntryErr |
3663 | | TIFFReadDirEntryCheckRangeSbyteSlong(int32_t value) |
3664 | 0 | { |
3665 | 0 | if ((value < -0x80) || (value > 0x7F)) |
3666 | 0 | return (TIFFReadDirEntryErrRange); |
3667 | 0 | else |
3668 | 0 | return (TIFFReadDirEntryErrOk); |
3669 | 0 | } |
3670 | | |
3671 | | static enum TIFFReadDirEntryErr |
3672 | | TIFFReadDirEntryCheckRangeSbyteLong8(uint64_t value) |
3673 | 0 | { |
3674 | 0 | if (value > 0x7F) |
3675 | 0 | return (TIFFReadDirEntryErrRange); |
3676 | 0 | else |
3677 | 0 | return (TIFFReadDirEntryErrOk); |
3678 | 0 | } |
3679 | | |
3680 | | static enum TIFFReadDirEntryErr |
3681 | | TIFFReadDirEntryCheckRangeSbyteSlong8(int64_t value) |
3682 | 0 | { |
3683 | 0 | if ((value < -0x80) || (value > 0x7F)) |
3684 | 0 | return (TIFFReadDirEntryErrRange); |
3685 | 0 | else |
3686 | 0 | return (TIFFReadDirEntryErrOk); |
3687 | 0 | } |
3688 | | |
3689 | | static enum TIFFReadDirEntryErr |
3690 | | TIFFReadDirEntryCheckRangeShortSbyte(int8_t value) |
3691 | 65 | { |
3692 | 65 | if (value < 0) |
3693 | 0 | return (TIFFReadDirEntryErrRange); |
3694 | 65 | else |
3695 | 65 | return (TIFFReadDirEntryErrOk); |
3696 | 65 | } |
3697 | | |
3698 | | static enum TIFFReadDirEntryErr |
3699 | | TIFFReadDirEntryCheckRangeShortSshort(int16_t value) |
3700 | 30 | { |
3701 | 30 | if (value < 0) |
3702 | 0 | return (TIFFReadDirEntryErrRange); |
3703 | 30 | else |
3704 | 30 | return (TIFFReadDirEntryErrOk); |
3705 | 30 | } |
3706 | | |
3707 | | static enum TIFFReadDirEntryErr |
3708 | | TIFFReadDirEntryCheckRangeShortLong(uint32_t value) |
3709 | 17 | { |
3710 | 17 | if (value > 0xFFFF) |
3711 | 2 | return (TIFFReadDirEntryErrRange); |
3712 | 15 | else |
3713 | 15 | return (TIFFReadDirEntryErrOk); |
3714 | 17 | } |
3715 | | |
3716 | | static enum TIFFReadDirEntryErr |
3717 | | TIFFReadDirEntryCheckRangeShortSlong(int32_t value) |
3718 | 3 | { |
3719 | 3 | if ((value < 0) || (value > 0xFFFF)) |
3720 | 0 | return (TIFFReadDirEntryErrRange); |
3721 | 3 | else |
3722 | 3 | return (TIFFReadDirEntryErrOk); |
3723 | 3 | } |
3724 | | |
3725 | | static enum TIFFReadDirEntryErr |
3726 | | TIFFReadDirEntryCheckRangeShortLong8(uint64_t value) |
3727 | 37 | { |
3728 | 37 | if (value > 0xFFFF) |
3729 | 10 | return (TIFFReadDirEntryErrRange); |
3730 | 27 | else |
3731 | 27 | return (TIFFReadDirEntryErrOk); |
3732 | 37 | } |
3733 | | |
3734 | | static enum TIFFReadDirEntryErr |
3735 | | TIFFReadDirEntryCheckRangeShortSlong8(int64_t value) |
3736 | 335 | { |
3737 | 335 | if ((value < 0) || (value > 0xFFFF)) |
3738 | 5 | return (TIFFReadDirEntryErrRange); |
3739 | 330 | else |
3740 | 330 | return (TIFFReadDirEntryErrOk); |
3741 | 335 | } |
3742 | | |
3743 | | static enum TIFFReadDirEntryErr |
3744 | | TIFFReadDirEntryCheckRangeSshortShort(uint16_t value) |
3745 | 0 | { |
3746 | 0 | if (value > 0x7FFF) |
3747 | 0 | return (TIFFReadDirEntryErrRange); |
3748 | 0 | else |
3749 | 0 | return (TIFFReadDirEntryErrOk); |
3750 | 0 | } |
3751 | | |
3752 | | static enum TIFFReadDirEntryErr |
3753 | | TIFFReadDirEntryCheckRangeSshortLong(uint32_t value) |
3754 | 0 | { |
3755 | 0 | if (value > 0x7FFF) |
3756 | 0 | return (TIFFReadDirEntryErrRange); |
3757 | 0 | else |
3758 | 0 | return (TIFFReadDirEntryErrOk); |
3759 | 0 | } |
3760 | | |
3761 | | static enum TIFFReadDirEntryErr |
3762 | | TIFFReadDirEntryCheckRangeSshortSlong(int32_t value) |
3763 | 0 | { |
3764 | 0 | if ((value < -0x8000) || (value > 0x7FFF)) |
3765 | 0 | return (TIFFReadDirEntryErrRange); |
3766 | 0 | else |
3767 | 0 | return (TIFFReadDirEntryErrOk); |
3768 | 0 | } |
3769 | | |
3770 | | static enum TIFFReadDirEntryErr |
3771 | | TIFFReadDirEntryCheckRangeSshortLong8(uint64_t value) |
3772 | 0 | { |
3773 | 0 | if (value > 0x7FFF) |
3774 | 0 | return (TIFFReadDirEntryErrRange); |
3775 | 0 | else |
3776 | 0 | return (TIFFReadDirEntryErrOk); |
3777 | 0 | } |
3778 | | |
3779 | | static enum TIFFReadDirEntryErr |
3780 | | TIFFReadDirEntryCheckRangeSshortSlong8(int64_t value) |
3781 | 0 | { |
3782 | 0 | if ((value < -0x8000) || (value > 0x7FFF)) |
3783 | 0 | return (TIFFReadDirEntryErrRange); |
3784 | 0 | else |
3785 | 0 | return (TIFFReadDirEntryErrOk); |
3786 | 0 | } |
3787 | | |
3788 | | static enum TIFFReadDirEntryErr |
3789 | | TIFFReadDirEntryCheckRangeLongSbyte(int8_t value) |
3790 | 100 | { |
3791 | 100 | if (value < 0) |
3792 | 4 | return (TIFFReadDirEntryErrRange); |
3793 | 96 | else |
3794 | 96 | return (TIFFReadDirEntryErrOk); |
3795 | 100 | } |
3796 | | |
3797 | | static enum TIFFReadDirEntryErr |
3798 | | TIFFReadDirEntryCheckRangeLongSshort(int16_t value) |
3799 | 3 | { |
3800 | 3 | if (value < 0) |
3801 | 0 | return (TIFFReadDirEntryErrRange); |
3802 | 3 | else |
3803 | 3 | return (TIFFReadDirEntryErrOk); |
3804 | 3 | } |
3805 | | |
3806 | | static enum TIFFReadDirEntryErr |
3807 | | TIFFReadDirEntryCheckRangeLongSlong(int32_t value) |
3808 | 7 | { |
3809 | 7 | if (value < 0) |
3810 | 0 | return (TIFFReadDirEntryErrRange); |
3811 | 7 | else |
3812 | 7 | return (TIFFReadDirEntryErrOk); |
3813 | 7 | } |
3814 | | |
3815 | | static enum TIFFReadDirEntryErr |
3816 | | TIFFReadDirEntryCheckRangeLongLong8(uint64_t value) |
3817 | 105 | { |
3818 | 105 | if (value > UINT32_MAX) |
3819 | 8 | return (TIFFReadDirEntryErrRange); |
3820 | 97 | else |
3821 | 97 | return (TIFFReadDirEntryErrOk); |
3822 | 105 | } |
3823 | | |
3824 | | static enum TIFFReadDirEntryErr |
3825 | | TIFFReadDirEntryCheckRangeLongSlong8(int64_t value) |
3826 | 17 | { |
3827 | 17 | if ((value < 0) || (value > (int64_t)UINT32_MAX)) |
3828 | 4 | return (TIFFReadDirEntryErrRange); |
3829 | 13 | else |
3830 | 13 | return (TIFFReadDirEntryErrOk); |
3831 | 17 | } |
3832 | | |
3833 | | static enum TIFFReadDirEntryErr |
3834 | | TIFFReadDirEntryCheckRangeSlongLong(uint32_t value) |
3835 | 0 | { |
3836 | 0 | if (value > 0x7FFFFFFFUL) |
3837 | 0 | return (TIFFReadDirEntryErrRange); |
3838 | 0 | else |
3839 | 0 | return (TIFFReadDirEntryErrOk); |
3840 | 0 | } |
3841 | | |
3842 | | /* Check that the 8-byte unsigned value can fit in a 4-byte unsigned range */ |
3843 | | static enum TIFFReadDirEntryErr |
3844 | | TIFFReadDirEntryCheckRangeSlongLong8(uint64_t value) |
3845 | 0 | { |
3846 | 0 | if (value > 0x7FFFFFFF) |
3847 | 0 | return (TIFFReadDirEntryErrRange); |
3848 | 0 | else |
3849 | 0 | return (TIFFReadDirEntryErrOk); |
3850 | 0 | } |
3851 | | |
3852 | | /* Check that the 8-byte signed value can fit in a 4-byte signed range */ |
3853 | | static enum TIFFReadDirEntryErr |
3854 | | TIFFReadDirEntryCheckRangeSlongSlong8(int64_t value) |
3855 | 0 | { |
3856 | 0 | if ((value < 0 - ((int64_t)0x7FFFFFFF + 1)) || (value > 0x7FFFFFFF)) |
3857 | 0 | return (TIFFReadDirEntryErrRange); |
3858 | 0 | else |
3859 | 0 | return (TIFFReadDirEntryErrOk); |
3860 | 0 | } |
3861 | | |
3862 | | static enum TIFFReadDirEntryErr |
3863 | | TIFFReadDirEntryCheckRangeLong8Sbyte(int8_t value) |
3864 | 6 | { |
3865 | 6 | if (value < 0) |
3866 | 0 | return (TIFFReadDirEntryErrRange); |
3867 | 6 | else |
3868 | 6 | return (TIFFReadDirEntryErrOk); |
3869 | 6 | } |
3870 | | |
3871 | | static enum TIFFReadDirEntryErr |
3872 | | TIFFReadDirEntryCheckRangeLong8Sshort(int16_t value) |
3873 | 221 | { |
3874 | 221 | if (value < 0) |
3875 | 2 | return (TIFFReadDirEntryErrRange); |
3876 | 219 | else |
3877 | 219 | return (TIFFReadDirEntryErrOk); |
3878 | 221 | } |
3879 | | |
3880 | | static enum TIFFReadDirEntryErr |
3881 | | TIFFReadDirEntryCheckRangeLong8Slong(int32_t value) |
3882 | 0 | { |
3883 | 0 | if (value < 0) |
3884 | 0 | return (TIFFReadDirEntryErrRange); |
3885 | 0 | else |
3886 | 0 | return (TIFFReadDirEntryErrOk); |
3887 | 0 | } |
3888 | | |
3889 | | static enum TIFFReadDirEntryErr |
3890 | | TIFFReadDirEntryCheckRangeLong8Slong8(int64_t value) |
3891 | 9 | { |
3892 | 9 | if (value < 0) |
3893 | 0 | return (TIFFReadDirEntryErrRange); |
3894 | 9 | else |
3895 | 9 | return (TIFFReadDirEntryErrOk); |
3896 | 9 | } |
3897 | | |
3898 | | static enum TIFFReadDirEntryErr |
3899 | | TIFFReadDirEntryCheckRangeSlong8Long8(uint64_t value) |
3900 | 0 | { |
3901 | 0 | if (value > INT64_MAX) |
3902 | 0 | return (TIFFReadDirEntryErrRange); |
3903 | 0 | else |
3904 | 0 | return (TIFFReadDirEntryErrOk); |
3905 | 0 | } |
3906 | | |
3907 | | static enum TIFFReadDirEntryErr TIFFReadDirEntryData(TIFF *tif, uint64_t offset, |
3908 | | tmsize_t size, void *dest) |
3909 | 7.77k | { |
3910 | 7.77k | assert(size > 0); |
3911 | 7.77k | if (!isMapped(tif)) |
3912 | 0 | { |
3913 | 0 | if (!SeekOK(tif, offset)) |
3914 | 0 | return (TIFFReadDirEntryErrIo); |
3915 | 0 | if (!ReadOK(tif, dest, size)) |
3916 | 0 | return (TIFFReadDirEntryErrIo); |
3917 | 0 | } |
3918 | 7.77k | else |
3919 | 7.77k | { |
3920 | 7.77k | size_t ma, mb; |
3921 | 7.77k | ma = (size_t)offset; |
3922 | 7.77k | if ((uint64_t)ma != offset || ma > (~(size_t)0) - (size_t)size) |
3923 | 0 | { |
3924 | 0 | return TIFFReadDirEntryErrIo; |
3925 | 0 | } |
3926 | 7.77k | mb = ma + size; |
3927 | 7.77k | if (mb > (uint64_t)tif->tif_size) |
3928 | 1.64k | return (TIFFReadDirEntryErrIo); |
3929 | 6.12k | _TIFFmemcpy(dest, tif->tif_base + ma, size); |
3930 | 6.12k | } |
3931 | 6.12k | return (TIFFReadDirEntryErrOk); |
3932 | 7.77k | } |
3933 | | |
3934 | | static void TIFFReadDirEntryOutputErr(TIFF *tif, enum TIFFReadDirEntryErr err, |
3935 | | const char *module, const char *tagname, |
3936 | | int recover) |
3937 | 18.4k | { |
3938 | 18.4k | if (!recover) |
3939 | 85 | { |
3940 | 85 | switch (err) |
3941 | 85 | { |
3942 | 12 | case TIFFReadDirEntryErrCount: |
3943 | 12 | TIFFErrorExtR(tif, module, "Incorrect count for \"%s\"", |
3944 | 12 | tagname); |
3945 | 12 | break; |
3946 | 25 | case TIFFReadDirEntryErrType: |
3947 | 25 | TIFFErrorExtR(tif, module, "Incompatible type for \"%s\"", |
3948 | 25 | tagname); |
3949 | 25 | break; |
3950 | 37 | case TIFFReadDirEntryErrIo: |
3951 | 37 | TIFFErrorExtR(tif, module, "IO error during reading of \"%s\"", |
3952 | 37 | tagname); |
3953 | 37 | break; |
3954 | 9 | case TIFFReadDirEntryErrRange: |
3955 | 9 | TIFFErrorExtR(tif, module, "Incorrect value for \"%s\"", |
3956 | 9 | tagname); |
3957 | 9 | break; |
3958 | 0 | case TIFFReadDirEntryErrPsdif: |
3959 | 0 | TIFFErrorExtR( |
3960 | 0 | tif, module, |
3961 | 0 | "Cannot handle different values per sample for \"%s\"", |
3962 | 0 | tagname); |
3963 | 0 | break; |
3964 | 2 | case TIFFReadDirEntryErrSizesan: |
3965 | 2 | TIFFErrorExtR(tif, module, |
3966 | 2 | "Sanity check on size of \"%s\" value failed", |
3967 | 2 | tagname); |
3968 | 2 | break; |
3969 | 0 | case TIFFReadDirEntryErrAlloc: |
3970 | 0 | TIFFErrorExtR(tif, module, "Out of memory reading of \"%s\"", |
3971 | 0 | tagname); |
3972 | 0 | break; |
3973 | 0 | default: |
3974 | 0 | assert(0); /* we should never get here */ |
3975 | 0 | break; |
3976 | 85 | } |
3977 | 85 | } |
3978 | 18.3k | else |
3979 | 18.3k | { |
3980 | 18.3k | switch (err) |
3981 | 18.3k | { |
3982 | 1.76k | case TIFFReadDirEntryErrCount: |
3983 | 1.76k | TIFFWarningExtR(tif, module, |
3984 | 1.76k | "Incorrect count for \"%s\"; tag ignored", |
3985 | 1.76k | tagname); |
3986 | 1.76k | break; |
3987 | 576 | case TIFFReadDirEntryErrType: |
3988 | 576 | TIFFWarningExtR(tif, module, |
3989 | 576 | "Incompatible type for \"%s\"; tag ignored", |
3990 | 576 | tagname); |
3991 | 576 | break; |
3992 | 14.3k | case TIFFReadDirEntryErrIo: |
3993 | 14.3k | TIFFWarningExtR( |
3994 | 14.3k | tif, module, |
3995 | 14.3k | "IO error during reading of \"%s\"; tag ignored", tagname); |
3996 | 14.3k | break; |
3997 | 61 | case TIFFReadDirEntryErrRange: |
3998 | 61 | TIFFWarningExtR(tif, module, |
3999 | 61 | "Incorrect value for \"%s\"; tag ignored", |
4000 | 61 | tagname); |
4001 | 61 | break; |
4002 | 0 | case TIFFReadDirEntryErrPsdif: |
4003 | 0 | TIFFWarningExtR(tif, module, |
4004 | 0 | "Cannot handle different values per sample for " |
4005 | 0 | "\"%s\"; tag ignored", |
4006 | 0 | tagname); |
4007 | 0 | break; |
4008 | 1.65k | case TIFFReadDirEntryErrSizesan: |
4009 | 1.65k | TIFFWarningExtR( |
4010 | 1.65k | tif, module, |
4011 | 1.65k | "Sanity check on size of \"%s\" value failed; tag ignored", |
4012 | 1.65k | tagname); |
4013 | 1.65k | break; |
4014 | 0 | case TIFFReadDirEntryErrAlloc: |
4015 | 0 | TIFFWarningExtR(tif, module, |
4016 | 0 | "Out of memory reading of \"%s\"; tag ignored", |
4017 | 0 | tagname); |
4018 | 0 | break; |
4019 | 0 | default: |
4020 | 0 | assert(0); /* we should never get here */ |
4021 | 0 | break; |
4022 | 18.3k | } |
4023 | 18.3k | } |
4024 | 18.4k | } |
4025 | | |
4026 | | /* |
4027 | | * Return the maximum number of color channels specified for a given photometric |
4028 | | * type. 0 is returned if photometric type isn't supported or no default value |
4029 | | * is defined by the specification. |
4030 | | */ |
4031 | | static int _TIFFGetMaxColorChannels(uint16_t photometric) |
4032 | 1.40k | { |
4033 | 1.40k | switch (photometric) |
4034 | 1.40k | { |
4035 | 53 | case PHOTOMETRIC_PALETTE: |
4036 | 167 | case PHOTOMETRIC_MINISWHITE: |
4037 | 256 | case PHOTOMETRIC_MINISBLACK: |
4038 | 256 | return 1; |
4039 | 845 | case PHOTOMETRIC_YCBCR: |
4040 | 1.02k | case PHOTOMETRIC_RGB: |
4041 | 1.04k | case PHOTOMETRIC_CIELAB: |
4042 | 1.05k | case PHOTOMETRIC_LOGLUV: |
4043 | 1.05k | case PHOTOMETRIC_ITULAB: |
4044 | 1.05k | case PHOTOMETRIC_ICCLAB: |
4045 | 1.05k | return 3; |
4046 | 77 | case PHOTOMETRIC_SEPARATED: |
4047 | 78 | case PHOTOMETRIC_MASK: |
4048 | 78 | return 4; |
4049 | 3 | case PHOTOMETRIC_LOGL: |
4050 | 3 | case PHOTOMETRIC_CFA: |
4051 | 11 | default: |
4052 | 11 | return 0; |
4053 | 1.40k | } |
4054 | 1.40k | } |
4055 | | |
4056 | | static int ByteCountLooksBad(TIFF *tif) |
4057 | 216 | { |
4058 | | /* |
4059 | | * Assume we have wrong StripByteCount value (in case |
4060 | | * of single strip) in following cases: |
4061 | | * - it is equal to zero along with StripOffset; |
4062 | | * - it is larger than file itself (in case of uncompressed |
4063 | | * image); |
4064 | | * - it is smaller than the size of the bytes per row |
4065 | | * multiplied on the number of rows. The last case should |
4066 | | * not be checked in the case of writing new image, |
4067 | | * because we may do not know the exact strip size |
4068 | | * until the whole image will be written and directory |
4069 | | * dumped out. |
4070 | | */ |
4071 | 216 | uint64_t bytecount = TIFFGetStrileByteCount(tif, 0); |
4072 | 216 | uint64_t offset = TIFFGetStrileOffset(tif, 0); |
4073 | 216 | uint64_t filesize; |
4074 | | |
4075 | 216 | if (offset == 0) |
4076 | 2 | return 0; |
4077 | 214 | if (bytecount == 0) |
4078 | 5 | return 1; |
4079 | 209 | if (tif->tif_dir.td_compression != COMPRESSION_NONE) |
4080 | 198 | return 0; |
4081 | 11 | filesize = TIFFGetFileSize(tif); |
4082 | 11 | if (offset <= filesize && bytecount > filesize - offset) |
4083 | 5 | return 1; |
4084 | 6 | if (tif->tif_mode == O_RDONLY) |
4085 | 6 | { |
4086 | 6 | uint64_t scanlinesize = TIFFScanlineSize64(tif); |
4087 | 6 | if (tif->tif_dir.td_imagelength > 0 && |
4088 | 6 | scanlinesize > UINT64_MAX / tif->tif_dir.td_imagelength) |
4089 | 0 | { |
4090 | 0 | return 1; |
4091 | 0 | } |
4092 | 6 | if (bytecount < scanlinesize * tif->tif_dir.td_imagelength) |
4093 | 2 | return 1; |
4094 | 6 | } |
4095 | 4 | return 0; |
4096 | 6 | } |
4097 | | |
4098 | | /* |
4099 | | * Read the next TIFF directory from a file and convert it to the internal |
4100 | | * format. We read directories sequentially. |
4101 | | */ |
4102 | | int TIFFReadDirectory(TIFF *tif) |
4103 | 1.54k | { |
4104 | 1.54k | static const char module[] = "TIFFReadDirectory"; |
4105 | 1.54k | TIFFDirEntry *dir; |
4106 | 1.54k | uint16_t dircount; |
4107 | 1.54k | TIFFDirEntry *dp; |
4108 | 1.54k | uint16_t di; |
4109 | 1.54k | const TIFFField *fip; |
4110 | 1.54k | uint32_t fii = FAILED_FII; |
4111 | 1.54k | toff_t nextdiroff; |
4112 | 1.54k | int bitspersample_read = FALSE; |
4113 | 1.54k | int color_channels; |
4114 | | |
4115 | 1.54k | if (tif->tif_nextdiroff == 0) |
4116 | 0 | { |
4117 | | /* In this special case, tif_diroff needs also to be set to 0. |
4118 | | * This is behind the last IFD, thus no checking or reading necessary. |
4119 | | */ |
4120 | 0 | tif->tif_diroff = tif->tif_nextdiroff; |
4121 | 0 | return 0; |
4122 | 0 | } |
4123 | | |
4124 | 1.54k | nextdiroff = tif->tif_nextdiroff; |
4125 | | /* tif_curdir++ and tif_nextdiroff should only be updated after SUCCESSFUL |
4126 | | * reading of the directory. Otherwise, invalid IFD offsets could corrupt |
4127 | | * the IFD list. */ |
4128 | 1.54k | if (!_TIFFCheckDirNumberAndOffset(tif, |
4129 | 1.54k | tif->tif_curdir == |
4130 | 1.54k | TIFF_NON_EXISTENT_DIR_NUMBER |
4131 | 1.54k | ? 0 |
4132 | 1.54k | : tif->tif_curdir + 1, |
4133 | 1.54k | nextdiroff)) |
4134 | 0 | { |
4135 | 0 | return 0; /* bad offset (IFD looping or more than TIFF_MAX_DIR_COUNT |
4136 | | IFDs) */ |
4137 | 0 | } |
4138 | 1.54k | dircount = TIFFFetchDirectory(tif, nextdiroff, &dir, &tif->tif_nextdiroff); |
4139 | 1.54k | if (!dircount) |
4140 | 0 | { |
4141 | 0 | TIFFErrorExtR(tif, module, |
4142 | 0 | "Failed to read directory at offset %" PRIu64, |
4143 | 0 | nextdiroff); |
4144 | 0 | return 0; |
4145 | 0 | } |
4146 | | /* Set global values after a valid directory has been fetched. |
4147 | | * tif_diroff is already set to nextdiroff in TIFFFetchDirectory() in the |
4148 | | * beginning. */ |
4149 | 1.54k | if (tif->tif_curdir == TIFF_NON_EXISTENT_DIR_NUMBER) |
4150 | 1.54k | tif->tif_curdir = 0; |
4151 | 0 | else |
4152 | 0 | tif->tif_curdir++; |
4153 | 1.54k | (*tif->tif_cleanup)(tif); /* cleanup any previous compression state */ |
4154 | | |
4155 | 1.54k | TIFFReadDirectoryCheckOrder(tif, dir, dircount); |
4156 | | |
4157 | | /* |
4158 | | * Mark duplicates of any tag to be ignored (bugzilla 1994) |
4159 | | * to avoid certain pathological problems. |
4160 | | */ |
4161 | 1.54k | { |
4162 | 1.54k | TIFFDirEntry *ma; |
4163 | 1.54k | uint16_t mb; |
4164 | 409k | for (ma = dir, mb = 0; mb < dircount; ma++, mb++) |
4165 | 408k | { |
4166 | 408k | TIFFDirEntry *na; |
4167 | 408k | uint16_t nb; |
4168 | 326M | for (na = ma + 1, nb = mb + 1; nb < dircount; na++, nb++) |
4169 | 326M | { |
4170 | 326M | if (ma->tdir_tag == na->tdir_tag) |
4171 | 23.0M | { |
4172 | 23.0M | na->tdir_ignore = TRUE; |
4173 | 23.0M | } |
4174 | 326M | } |
4175 | 408k | } |
4176 | 1.54k | } |
4177 | | |
4178 | 1.54k | tif->tif_flags &= ~TIFF_BEENWRITING; /* reset before new dir */ |
4179 | 1.54k | tif->tif_flags &= ~TIFF_BUF4WRITE; /* reset before new dir */ |
4180 | 1.54k | tif->tif_flags &= ~TIFF_CHOPPEDUPARRAYS; |
4181 | | |
4182 | | /* free any old stuff and reinit */ |
4183 | 1.54k | TIFFFreeDirectory(tif); |
4184 | 1.54k | TIFFDefaultDirectory(tif); |
4185 | | /* |
4186 | | * Electronic Arts writes gray-scale TIFF files |
4187 | | * without a PlanarConfiguration directory entry. |
4188 | | * Thus we setup a default value here, even though |
4189 | | * the TIFF spec says there is no default value. |
4190 | | * After PlanarConfiguration is preset in TIFFDefaultDirectory() |
4191 | | * the following setting is not needed, but does not harm either. |
4192 | | */ |
4193 | 1.54k | TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); |
4194 | | /* |
4195 | | * Setup default value and then make a pass over |
4196 | | * the fields to check type and tag information, |
4197 | | * and to extract info required to size data |
4198 | | * structures. A second pass is made afterwards |
4199 | | * to read in everything not taken in the first pass. |
4200 | | * But we must process the Compression tag first |
4201 | | * in order to merge in codec-private tag definitions (otherwise |
4202 | | * we may get complaints about unknown tags). However, the |
4203 | | * Compression tag may be dependent on the SamplesPerPixel |
4204 | | * tag value because older TIFF specs permitted Compression |
4205 | | * to be written as a SamplesPerPixel-count tag entry. |
4206 | | * Thus if we don't first figure out the correct SamplesPerPixel |
4207 | | * tag value then we may end up ignoring the Compression tag |
4208 | | * value because it has an incorrect count value (if the |
4209 | | * true value of SamplesPerPixel is not 1). |
4210 | | */ |
4211 | 1.54k | dp = |
4212 | 1.54k | TIFFReadDirectoryFindEntry(tif, dir, dircount, TIFFTAG_SAMPLESPERPIXEL); |
4213 | 1.54k | if (dp) |
4214 | 1.31k | { |
4215 | 1.31k | if (!TIFFFetchNormalTag(tif, dp, 0)) |
4216 | 0 | goto bad; |
4217 | 1.31k | dp->tdir_ignore = TRUE; |
4218 | 1.31k | } |
4219 | 1.54k | dp = TIFFReadDirectoryFindEntry(tif, dir, dircount, TIFFTAG_COMPRESSION); |
4220 | 1.54k | if (dp) |
4221 | 1.18k | { |
4222 | | /* |
4223 | | * The 5.0 spec says the Compression tag has one value, while |
4224 | | * earlier specs say it has one value per sample. Because of |
4225 | | * this, we accept the tag if one value is supplied with either |
4226 | | * count. |
4227 | | */ |
4228 | 1.18k | uint16_t value; |
4229 | 1.18k | enum TIFFReadDirEntryErr err; |
4230 | 1.18k | err = TIFFReadDirEntryShort(tif, dp, &value); |
4231 | 1.18k | if (err == TIFFReadDirEntryErrCount) |
4232 | 14 | err = TIFFReadDirEntryPersampleShort(tif, dp, &value); |
4233 | 1.18k | if (err != TIFFReadDirEntryErrOk) |
4234 | 9 | { |
4235 | 9 | TIFFReadDirEntryOutputErr(tif, err, module, "Compression", 0); |
4236 | 9 | goto bad; |
4237 | 9 | } |
4238 | 1.17k | if (!TIFFSetField(tif, TIFFTAG_COMPRESSION, value)) |
4239 | 0 | goto bad; |
4240 | 1.17k | dp->tdir_ignore = TRUE; |
4241 | 1.17k | } |
4242 | 363 | else |
4243 | 363 | { |
4244 | 363 | if (!TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE)) |
4245 | 0 | goto bad; |
4246 | 363 | } |
4247 | | /* |
4248 | | * First real pass over the directory. |
4249 | | */ |
4250 | 403k | for (di = 0, dp = dir; di < dircount; di++, dp++) |
4251 | 401k | { |
4252 | 401k | if (!dp->tdir_ignore) |
4253 | 158k | { |
4254 | 158k | TIFFReadDirectoryFindFieldInfo(tif, dp->tdir_tag, &fii); |
4255 | 158k | if (fii == FAILED_FII) |
4256 | 141k | { |
4257 | 141k | TIFFWarningExtR(tif, module, |
4258 | 141k | "Unknown field with tag %" PRIu16 " (0x%" PRIx16 |
4259 | 141k | ") encountered", |
4260 | 141k | dp->tdir_tag, dp->tdir_tag); |
4261 | | /* the following knowingly leaks the |
4262 | | anonymous field structure */ |
4263 | 141k | if (!_TIFFMergeFields( |
4264 | 141k | tif, |
4265 | 141k | _TIFFCreateAnonField(tif, dp->tdir_tag, |
4266 | 141k | (TIFFDataType)dp->tdir_type), |
4267 | 141k | 1)) |
4268 | 0 | { |
4269 | 0 | TIFFWarningExtR( |
4270 | 0 | tif, module, |
4271 | 0 | "Registering anonymous field with tag %" PRIu16 |
4272 | 0 | " (0x%" PRIx16 ") failed", |
4273 | 0 | dp->tdir_tag, dp->tdir_tag); |
4274 | 0 | dp->tdir_ignore = TRUE; |
4275 | 0 | } |
4276 | 141k | else |
4277 | 141k | { |
4278 | 141k | TIFFReadDirectoryFindFieldInfo(tif, dp->tdir_tag, &fii); |
4279 | 141k | assert(fii != FAILED_FII); |
4280 | 141k | } |
4281 | 141k | } |
4282 | 158k | } |
4283 | 401k | if (!dp->tdir_ignore) |
4284 | 158k | { |
4285 | 158k | fip = tif->tif_fields[fii]; |
4286 | 158k | if (fip->field_bit == FIELD_IGNORE) |
4287 | 831 | dp->tdir_ignore = TRUE; |
4288 | 157k | else |
4289 | 157k | { |
4290 | 157k | switch (dp->tdir_tag) |
4291 | 157k | { |
4292 | 1.01k | case TIFFTAG_STRIPOFFSETS: |
4293 | 2.25k | case TIFFTAG_STRIPBYTECOUNTS: |
4294 | 2.79k | case TIFFTAG_TILEOFFSETS: |
4295 | 2.88k | case TIFFTAG_TILEBYTECOUNTS: |
4296 | 2.88k | TIFFSetFieldBit(tif, fip->field_bit); |
4297 | 2.88k | break; |
4298 | 1.50k | case TIFFTAG_IMAGEWIDTH: |
4299 | 2.91k | case TIFFTAG_IMAGELENGTH: |
4300 | 2.92k | case TIFFTAG_IMAGEDEPTH: |
4301 | 3.48k | case TIFFTAG_TILELENGTH: |
4302 | 4.09k | case TIFFTAG_TILEWIDTH: |
4303 | 4.09k | case TIFFTAG_TILEDEPTH: |
4304 | 4.55k | case TIFFTAG_PLANARCONFIG: |
4305 | 5.25k | case TIFFTAG_ROWSPERSTRIP: |
4306 | 5.48k | case TIFFTAG_EXTRASAMPLES: |
4307 | 5.48k | if (!TIFFFetchNormalTag(tif, dp, 0)) |
4308 | 10 | goto bad; |
4309 | 5.47k | dp->tdir_ignore = TRUE; |
4310 | 5.47k | break; |
4311 | 149k | default: |
4312 | 149k | if (!_TIFFCheckFieldIsValidForCodec(tif, dp->tdir_tag)) |
4313 | 1.54k | dp->tdir_ignore = TRUE; |
4314 | 149k | break; |
4315 | 157k | } |
4316 | 157k | } |
4317 | 158k | } |
4318 | 401k | } |
4319 | | /* |
4320 | | * XXX: OJPEG hack. |
4321 | | * If a) compression is OJPEG, b) planarconfig tag says it's separate, |
4322 | | * c) strip offsets/bytecounts tag are both present and |
4323 | | * d) both contain exactly one value, then we consistently find |
4324 | | * that the buggy implementation of the buggy compression scheme |
4325 | | * matches contig planarconfig best. So we 'fix-up' the tag here |
4326 | | */ |
4327 | 1.52k | if ((tif->tif_dir.td_compression == COMPRESSION_OJPEG) && |
4328 | 1.52k | (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE)) |
4329 | 5 | { |
4330 | 5 | if (!_TIFFFillStriles(tif)) |
4331 | 0 | goto bad; |
4332 | 5 | dp = TIFFReadDirectoryFindEntry(tif, dir, dircount, |
4333 | 5 | TIFFTAG_STRIPOFFSETS); |
4334 | 5 | if ((dp != 0) && (dp->tdir_count == 1)) |
4335 | 5 | { |
4336 | 5 | dp = TIFFReadDirectoryFindEntry(tif, dir, dircount, |
4337 | 5 | TIFFTAG_STRIPBYTECOUNTS); |
4338 | 5 | if ((dp != 0) && (dp->tdir_count == 1)) |
4339 | 0 | { |
4340 | 0 | tif->tif_dir.td_planarconfig = PLANARCONFIG_CONTIG; |
4341 | 0 | TIFFWarningExtR(tif, module, |
4342 | 0 | "Planarconfig tag value assumed incorrect, " |
4343 | 0 | "assuming data is contig instead of chunky"); |
4344 | 0 | } |
4345 | 5 | } |
4346 | 5 | } |
4347 | | /* |
4348 | | * Allocate directory structure and setup defaults. |
4349 | | */ |
4350 | 1.52k | if (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS)) |
4351 | 6 | { |
4352 | 6 | MissingRequired(tif, "ImageLength"); |
4353 | 6 | goto bad; |
4354 | 6 | } |
4355 | | |
4356 | | /* |
4357 | | * Second pass: extract other information. |
4358 | | */ |
4359 | 398k | for (di = 0, dp = dir; di < dircount; di++, dp++) |
4360 | 396k | { |
4361 | 396k | if (!dp->tdir_ignore) |
4362 | 148k | { |
4363 | 148k | switch (dp->tdir_tag) |
4364 | 148k | { |
4365 | 7 | case TIFFTAG_MINSAMPLEVALUE: |
4366 | 39 | case TIFFTAG_MAXSAMPLEVALUE: |
4367 | 940 | case TIFFTAG_BITSPERSAMPLE: |
4368 | 954 | case TIFFTAG_DATATYPE: |
4369 | 1.07k | case TIFFTAG_SAMPLEFORMAT: |
4370 | | /* |
4371 | | * The MinSampleValue, MaxSampleValue, BitsPerSample |
4372 | | * DataType and SampleFormat tags are supposed to be |
4373 | | * written as one value/sample, but some vendors |
4374 | | * incorrectly write one value only -- so we accept |
4375 | | * that as well (yuck). Other vendors write correct |
4376 | | * value for NumberOfSamples, but incorrect one for |
4377 | | * BitsPerSample and friends, and we will read this |
4378 | | * too. |
4379 | | */ |
4380 | 1.07k | { |
4381 | 1.07k | uint16_t value; |
4382 | 1.07k | enum TIFFReadDirEntryErr err; |
4383 | 1.07k | err = TIFFReadDirEntryShort(tif, dp, &value); |
4384 | 1.07k | if (err == TIFFReadDirEntryErrCount) |
4385 | 241 | err = |
4386 | 241 | TIFFReadDirEntryPersampleShort(tif, dp, &value); |
4387 | 1.07k | if (err != TIFFReadDirEntryErrOk) |
4388 | 9 | { |
4389 | 9 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4390 | 9 | TIFFReadDirEntryOutputErr( |
4391 | 9 | tif, err, module, |
4392 | 9 | fip ? fip->field_name : "unknown tagname", 0); |
4393 | 9 | goto bad; |
4394 | 9 | } |
4395 | 1.06k | if (!TIFFSetField(tif, dp->tdir_tag, value)) |
4396 | 0 | goto bad; |
4397 | 1.06k | if (dp->tdir_tag == TIFFTAG_BITSPERSAMPLE) |
4398 | 896 | bitspersample_read = TRUE; |
4399 | 1.06k | } |
4400 | 0 | break; |
4401 | 1 | case TIFFTAG_SMINSAMPLEVALUE: |
4402 | 5 | case TIFFTAG_SMAXSAMPLEVALUE: |
4403 | 5 | { |
4404 | | |
4405 | 5 | double *data = NULL; |
4406 | 5 | enum TIFFReadDirEntryErr err; |
4407 | 5 | uint32_t saved_flags; |
4408 | 5 | int m; |
4409 | 5 | if (dp->tdir_count != |
4410 | 5 | (uint64_t)tif->tif_dir.td_samplesperpixel) |
4411 | 2 | err = TIFFReadDirEntryErrCount; |
4412 | 3 | else |
4413 | 3 | err = TIFFReadDirEntryDoubleArray(tif, dp, &data); |
4414 | 5 | if (err != TIFFReadDirEntryErrOk) |
4415 | 2 | { |
4416 | 2 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4417 | 2 | TIFFReadDirEntryOutputErr( |
4418 | 2 | tif, err, module, |
4419 | 2 | fip ? fip->field_name : "unknown tagname", 0); |
4420 | 2 | goto bad; |
4421 | 2 | } |
4422 | 3 | saved_flags = tif->tif_flags; |
4423 | 3 | tif->tif_flags |= TIFF_PERSAMPLE; |
4424 | 3 | m = TIFFSetField(tif, dp->tdir_tag, data); |
4425 | 3 | tif->tif_flags = saved_flags; |
4426 | 3 | _TIFFfreeExt(tif, data); |
4427 | 3 | if (!m) |
4428 | 0 | goto bad; |
4429 | 3 | } |
4430 | 3 | break; |
4431 | 1.00k | case TIFFTAG_STRIPOFFSETS: |
4432 | 1.54k | case TIFFTAG_TILEOFFSETS: |
4433 | 1.54k | switch (dp->tdir_type) |
4434 | 1.54k | { |
4435 | 237 | case TIFF_SHORT: |
4436 | 1.24k | case TIFF_LONG: |
4437 | 1.24k | case TIFF_LONG8: |
4438 | 1.24k | break; |
4439 | 294 | default: |
4440 | | /* Warn except if directory typically created with |
4441 | | * TIFFDeferStrileArrayWriting() */ |
4442 | 294 | if (!(tif->tif_mode == O_RDWR && |
4443 | 294 | dp->tdir_count == 0 && dp->tdir_type == 0 && |
4444 | 294 | dp->tdir_offset.toff_long8 == 0)) |
4445 | 294 | { |
4446 | 294 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4447 | 294 | TIFFWarningExtR( |
4448 | 294 | tif, module, "Invalid data type for tag %s", |
4449 | 294 | fip ? fip->field_name : "unknown tagname"); |
4450 | 294 | } |
4451 | 294 | break; |
4452 | 1.54k | } |
4453 | 1.54k | _TIFFmemcpy(&(tif->tif_dir.td_stripoffset_entry), dp, |
4454 | 1.54k | sizeof(TIFFDirEntry)); |
4455 | 1.54k | break; |
4456 | 1.23k | case TIFFTAG_STRIPBYTECOUNTS: |
4457 | 1.32k | case TIFFTAG_TILEBYTECOUNTS: |
4458 | 1.32k | switch (dp->tdir_type) |
4459 | 1.32k | { |
4460 | 70 | case TIFF_SHORT: |
4461 | 285 | case TIFF_LONG: |
4462 | 850 | case TIFF_LONG8: |
4463 | 850 | break; |
4464 | 478 | default: |
4465 | | /* Warn except if directory typically created with |
4466 | | * TIFFDeferStrileArrayWriting() */ |
4467 | 478 | if (!(tif->tif_mode == O_RDWR && |
4468 | 478 | dp->tdir_count == 0 && dp->tdir_type == 0 && |
4469 | 478 | dp->tdir_offset.toff_long8 == 0)) |
4470 | 478 | { |
4471 | 478 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4472 | 478 | TIFFWarningExtR( |
4473 | 478 | tif, module, "Invalid data type for tag %s", |
4474 | 478 | fip ? fip->field_name : "unknown tagname"); |
4475 | 478 | } |
4476 | 478 | break; |
4477 | 1.32k | } |
4478 | 1.32k | _TIFFmemcpy(&(tif->tif_dir.td_stripbytecount_entry), dp, |
4479 | 1.32k | sizeof(TIFFDirEntry)); |
4480 | 1.32k | break; |
4481 | 210 | case TIFFTAG_COLORMAP: |
4482 | 246 | case TIFFTAG_TRANSFERFUNCTION: |
4483 | 246 | { |
4484 | 246 | enum TIFFReadDirEntryErr err; |
4485 | 246 | uint32_t countpersample; |
4486 | 246 | uint32_t countrequired; |
4487 | 246 | uint32_t incrementpersample; |
4488 | 246 | uint16_t *value = NULL; |
4489 | | /* It would be dangerous to instantiate those tag values */ |
4490 | | /* since if td_bitspersample has not yet been read (due to |
4491 | | */ |
4492 | | /* unordered tags), it could be read afterwards with a */ |
4493 | | /* values greater than the default one (1), which may cause |
4494 | | */ |
4495 | | /* crashes in user code */ |
4496 | 246 | if (!bitspersample_read) |
4497 | 55 | { |
4498 | 55 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4499 | 55 | TIFFWarningExtR( |
4500 | 55 | tif, module, |
4501 | 55 | "Ignoring %s since BitsPerSample tag not found", |
4502 | 55 | fip ? fip->field_name : "unknown tagname"); |
4503 | 55 | continue; |
4504 | 55 | } |
4505 | | /* ColorMap or TransferFunction for high bit */ |
4506 | | /* depths do not make much sense and could be */ |
4507 | | /* used as a denial of service vector */ |
4508 | 191 | if (tif->tif_dir.td_bitspersample > 24) |
4509 | 5 | { |
4510 | 5 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4511 | 5 | TIFFWarningExtR( |
4512 | 5 | tif, module, |
4513 | 5 | "Ignoring %s because BitsPerSample=%" PRIu16 ">24", |
4514 | 5 | fip ? fip->field_name : "unknown tagname", |
4515 | 5 | tif->tif_dir.td_bitspersample); |
4516 | 5 | continue; |
4517 | 5 | } |
4518 | 186 | countpersample = (1U << tif->tif_dir.td_bitspersample); |
4519 | 186 | if ((dp->tdir_tag == TIFFTAG_TRANSFERFUNCTION) && |
4520 | 186 | (dp->tdir_count == (uint64_t)countpersample)) |
4521 | 8 | { |
4522 | 8 | countrequired = countpersample; |
4523 | 8 | incrementpersample = 0; |
4524 | 8 | } |
4525 | 178 | else |
4526 | 178 | { |
4527 | 178 | countrequired = 3 * countpersample; |
4528 | 178 | incrementpersample = countpersample; |
4529 | 178 | } |
4530 | 186 | if (dp->tdir_count != (uint64_t)countrequired) |
4531 | 60 | err = TIFFReadDirEntryErrCount; |
4532 | 126 | else |
4533 | 126 | err = TIFFReadDirEntryShortArray(tif, dp, &value); |
4534 | 186 | if (err != TIFFReadDirEntryErrOk) |
4535 | 157 | { |
4536 | 157 | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4537 | 157 | TIFFReadDirEntryOutputErr( |
4538 | 157 | tif, err, module, |
4539 | 157 | fip ? fip->field_name : "unknown tagname", 1); |
4540 | 157 | } |
4541 | 29 | else |
4542 | 29 | { |
4543 | 29 | TIFFSetField(tif, dp->tdir_tag, value, |
4544 | 29 | value + incrementpersample, |
4545 | 29 | value + 2 * incrementpersample); |
4546 | 29 | _TIFFfreeExt(tif, value); |
4547 | 29 | } |
4548 | 186 | } |
4549 | 0 | break; |
4550 | | /* BEGIN REV 4.0 COMPATIBILITY */ |
4551 | 0 | case TIFFTAG_OSUBFILETYPE: |
4552 | 0 | { |
4553 | 0 | uint16_t valueo; |
4554 | 0 | uint32_t value; |
4555 | 0 | if (TIFFReadDirEntryShort(tif, dp, &valueo) == |
4556 | 0 | TIFFReadDirEntryErrOk) |
4557 | 0 | { |
4558 | 0 | switch (valueo) |
4559 | 0 | { |
4560 | 0 | case OFILETYPE_REDUCEDIMAGE: |
4561 | 0 | value = FILETYPE_REDUCEDIMAGE; |
4562 | 0 | break; |
4563 | 0 | case OFILETYPE_PAGE: |
4564 | 0 | value = FILETYPE_PAGE; |
4565 | 0 | break; |
4566 | 0 | default: |
4567 | 0 | value = 0; |
4568 | 0 | break; |
4569 | 0 | } |
4570 | 0 | if (value != 0) |
4571 | 0 | TIFFSetField(tif, TIFFTAG_SUBFILETYPE, value); |
4572 | 0 | } |
4573 | 0 | } |
4574 | 0 | break; |
4575 | | /* END REV 4.0 COMPATIBILITY */ |
4576 | | #if 0 |
4577 | | case TIFFTAG_EP_BATTERYLEVEL: |
4578 | | /* TIFFTAG_EP_BATTERYLEVEL can be RATIONAL or ASCII. |
4579 | | * LibTiff defines it as ASCII and converts RATIONAL to an |
4580 | | * ASCII string. */ |
4581 | | switch (dp->tdir_type) |
4582 | | { |
4583 | | case TIFF_RATIONAL: |
4584 | | { |
4585 | | /* Read rational and convert to ASCII*/ |
4586 | | enum TIFFReadDirEntryErr err; |
4587 | | TIFFRational_t rValue; |
4588 | | err = TIFFReadDirEntryCheckedRationalDirect( |
4589 | | tif, dp, &rValue); |
4590 | | if (err != TIFFReadDirEntryErrOk) |
4591 | | { |
4592 | | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4593 | | TIFFReadDirEntryOutputErr( |
4594 | | tif, err, module, |
4595 | | fip ? fip->field_name : "unknown tagname", |
4596 | | 1); |
4597 | | } |
4598 | | else |
4599 | | { |
4600 | | char szAux[32]; |
4601 | | snprintf(szAux, sizeof(szAux) - 1, "%d/%d", |
4602 | | rValue.uNum, rValue.uDenom); |
4603 | | TIFFSetField(tif, dp->tdir_tag, szAux); |
4604 | | } |
4605 | | } |
4606 | | break; |
4607 | | case TIFF_ASCII: |
4608 | | (void)TIFFFetchNormalTag(tif, dp, TRUE); |
4609 | | break; |
4610 | | default: |
4611 | | fip = TIFFFieldWithTag(tif, dp->tdir_tag); |
4612 | | TIFFWarningExtR(tif, module, |
4613 | | "Invalid data type for tag %s. " |
4614 | | "ASCII or RATIONAL expected", |
4615 | | fip ? fip->field_name |
4616 | | : "unknown tagname"); |
4617 | | break; |
4618 | | } |
4619 | | break; |
4620 | | #endif |
4621 | 144k | default: |
4622 | 144k | (void)TIFFFetchNormalTag(tif, dp, TRUE); |
4623 | 144k | break; |
4624 | 148k | } |
4625 | 148k | } /* -- if (!dp->tdir_ignore) */ |
4626 | 396k | } /* -- for-loop -- */ |
4627 | | |
4628 | | /* |
4629 | | * OJPEG hack: |
4630 | | * - If a) compression is OJPEG, and b) photometric tag is missing, |
4631 | | * then we consistently find that photometric should be YCbCr |
4632 | | * - If a) compression is OJPEG, and b) photometric tag says it's RGB, |
4633 | | * then we consistently find that the buggy implementation of the |
4634 | | * buggy compression scheme matches photometric YCbCr instead. |
4635 | | * - If a) compression is OJPEG, and b) bitspersample tag is missing, |
4636 | | * then we consistently find bitspersample should be 8. |
4637 | | * - If a) compression is OJPEG, b) samplesperpixel tag is missing, |
4638 | | * and c) photometric is RGB or YCbCr, then we consistently find |
4639 | | * samplesperpixel should be 3 |
4640 | | * - If a) compression is OJPEG, b) samplesperpixel tag is missing, |
4641 | | * and c) photometric is MINISWHITE or MINISBLACK, then we consistently |
4642 | | * find samplesperpixel should be 3 |
4643 | | */ |
4644 | 1.50k | if (tif->tif_dir.td_compression == COMPRESSION_OJPEG) |
4645 | 11 | { |
4646 | 11 | if (!TIFFFieldSet(tif, FIELD_PHOTOMETRIC)) |
4647 | 5 | { |
4648 | 5 | TIFFWarningExtR( |
4649 | 5 | tif, module, |
4650 | 5 | "Photometric tag is missing, assuming data is YCbCr"); |
4651 | 5 | if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_YCBCR)) |
4652 | 0 | goto bad; |
4653 | 5 | } |
4654 | 6 | else if (tif->tif_dir.td_photometric == PHOTOMETRIC_RGB) |
4655 | 3 | { |
4656 | 3 | tif->tif_dir.td_photometric = PHOTOMETRIC_YCBCR; |
4657 | 3 | TIFFWarningExtR(tif, module, |
4658 | 3 | "Photometric tag value assumed incorrect, " |
4659 | 3 | "assuming data is YCbCr instead of RGB"); |
4660 | 3 | } |
4661 | 11 | if (!TIFFFieldSet(tif, FIELD_BITSPERSAMPLE)) |
4662 | 3 | { |
4663 | 3 | TIFFWarningExtR( |
4664 | 3 | tif, module, |
4665 | 3 | "BitsPerSample tag is missing, assuming 8 bits per sample"); |
4666 | 3 | if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) |
4667 | 0 | goto bad; |
4668 | 3 | } |
4669 | 11 | if (!TIFFFieldSet(tif, FIELD_SAMPLESPERPIXEL)) |
4670 | 5 | { |
4671 | 5 | if (tif->tif_dir.td_photometric == PHOTOMETRIC_RGB) |
4672 | 0 | { |
4673 | 0 | TIFFWarningExtR(tif, module, |
4674 | 0 | "SamplesPerPixel tag is missing, " |
4675 | 0 | "assuming correct SamplesPerPixel value is 3"); |
4676 | 0 | if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) |
4677 | 0 | goto bad; |
4678 | 0 | } |
4679 | 5 | if (tif->tif_dir.td_photometric == PHOTOMETRIC_YCBCR) |
4680 | 5 | { |
4681 | 5 | TIFFWarningExtR(tif, module, |
4682 | 5 | "SamplesPerPixel tag is missing, " |
4683 | 5 | "applying correct SamplesPerPixel value of 3"); |
4684 | 5 | if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) |
4685 | 0 | goto bad; |
4686 | 5 | } |
4687 | 0 | else if ((tif->tif_dir.td_photometric == PHOTOMETRIC_MINISWHITE) || |
4688 | 0 | (tif->tif_dir.td_photometric == PHOTOMETRIC_MINISBLACK)) |
4689 | 0 | { |
4690 | | /* |
4691 | | * SamplesPerPixel tag is missing, but is not required |
4692 | | * by spec. Assume correct SamplesPerPixel value of 1. |
4693 | | */ |
4694 | 0 | if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1)) |
4695 | 0 | goto bad; |
4696 | 0 | } |
4697 | 5 | } |
4698 | 11 | } |
4699 | | |
4700 | | /* |
4701 | | * Setup appropriate structures (by strip or by tile) |
4702 | | * We do that only after the above OJPEG hack which alters SamplesPerPixel |
4703 | | * and thus influences the number of strips in the separate planarconfig. |
4704 | | */ |
4705 | 1.50k | if (!TIFFFieldSet(tif, FIELD_TILEDIMENSIONS)) |
4706 | 809 | { |
4707 | 809 | tif->tif_dir.td_nstrips = TIFFNumberOfStrips(tif); |
4708 | 809 | tif->tif_dir.td_tilewidth = tif->tif_dir.td_imagewidth; |
4709 | 809 | tif->tif_dir.td_tilelength = tif->tif_dir.td_rowsperstrip; |
4710 | 809 | tif->tif_dir.td_tiledepth = tif->tif_dir.td_imagedepth; |
4711 | 809 | tif->tif_flags &= ~TIFF_ISTILED; |
4712 | 809 | } |
4713 | 700 | else |
4714 | 700 | { |
4715 | 700 | tif->tif_dir.td_nstrips = TIFFNumberOfTiles(tif); |
4716 | 700 | tif->tif_flags |= TIFF_ISTILED; |
4717 | 700 | } |
4718 | 1.50k | if (!tif->tif_dir.td_nstrips) |
4719 | 8 | { |
4720 | 8 | TIFFErrorExtR(tif, module, "Cannot handle zero number of %s", |
4721 | 8 | isTiled(tif) ? "tiles" : "strips"); |
4722 | 8 | goto bad; |
4723 | 8 | } |
4724 | 1.50k | tif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips; |
4725 | 1.50k | if (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE) |
4726 | 309 | tif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel; |
4727 | 1.50k | if (!TIFFFieldSet(tif, FIELD_STRIPOFFSETS)) |
4728 | 46 | { |
4729 | | #ifdef OJPEG_SUPPORT |
4730 | | if ((tif->tif_dir.td_compression == COMPRESSION_OJPEG) && |
4731 | | (isTiled(tif) == 0) && (tif->tif_dir.td_nstrips == 1)) |
4732 | | { |
4733 | | /* |
4734 | | * XXX: OJPEG hack. |
4735 | | * If a) compression is OJPEG, b) it's not a tiled TIFF, |
4736 | | * and c) the number of strips is 1, |
4737 | | * then we tolerate the absence of stripoffsets tag, |
4738 | | * because, presumably, all required data is in the |
4739 | | * JpegInterchangeFormat stream. |
4740 | | */ |
4741 | | TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS); |
4742 | | } |
4743 | | else |
4744 | | #endif |
4745 | 46 | { |
4746 | 46 | MissingRequired(tif, isTiled(tif) ? "TileOffsets" : "StripOffsets"); |
4747 | 46 | goto bad; |
4748 | 46 | } |
4749 | 46 | } |
4750 | | |
4751 | 1.45k | if (tif->tif_mode == O_RDWR && |
4752 | 1.45k | tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 && |
4753 | 1.45k | tif->tif_dir.td_stripoffset_entry.tdir_count == 0 && |
4754 | 1.45k | tif->tif_dir.td_stripoffset_entry.tdir_type == 0 && |
4755 | 1.45k | tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 && |
4756 | 1.45k | tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 && |
4757 | 1.45k | tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 && |
4758 | 1.45k | tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 && |
4759 | 1.45k | tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0) |
4760 | 0 | { |
4761 | | /* Directory typically created with TIFFDeferStrileArrayWriting() */ |
4762 | 0 | TIFFSetupStrips(tif); |
4763 | 0 | } |
4764 | 1.45k | else if (!(tif->tif_flags & TIFF_DEFERSTRILELOAD)) |
4765 | 1.45k | { |
4766 | 1.45k | if (tif->tif_dir.td_stripoffset_entry.tdir_tag != 0) |
4767 | 1.45k | { |
4768 | 1.45k | if (!TIFFFetchStripThing(tif, &(tif->tif_dir.td_stripoffset_entry), |
4769 | 1.45k | tif->tif_dir.td_nstrips, |
4770 | 1.45k | &tif->tif_dir.td_stripoffset_p)) |
4771 | 36 | { |
4772 | 36 | goto bad; |
4773 | 36 | } |
4774 | 1.45k | } |
4775 | 1.41k | if (tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0) |
4776 | 1.23k | { |
4777 | 1.23k | if (!TIFFFetchStripThing( |
4778 | 1.23k | tif, &(tif->tif_dir.td_stripbytecount_entry), |
4779 | 1.23k | tif->tif_dir.td_nstrips, &tif->tif_dir.td_stripbytecount_p)) |
4780 | 19 | { |
4781 | 19 | goto bad; |
4782 | 19 | } |
4783 | 1.23k | } |
4784 | 1.41k | } |
4785 | | |
4786 | | /* |
4787 | | * Make sure all non-color channels are extrasamples. |
4788 | | * If it's not the case, define them as such. |
4789 | | */ |
4790 | 1.40k | color_channels = _TIFFGetMaxColorChannels(tif->tif_dir.td_photometric); |
4791 | 1.40k | if (color_channels && |
4792 | 1.40k | tif->tif_dir.td_samplesperpixel - tif->tif_dir.td_extrasamples > |
4793 | 1.38k | color_channels) |
4794 | 131 | { |
4795 | 131 | uint16_t old_extrasamples; |
4796 | 131 | uint16_t *new_sampleinfo; |
4797 | | |
4798 | 131 | TIFFWarningExtR( |
4799 | 131 | tif, module, |
4800 | 131 | "Sum of Photometric type-related " |
4801 | 131 | "color channels and ExtraSamples doesn't match SamplesPerPixel. " |
4802 | 131 | "Defining non-color channels as ExtraSamples."); |
4803 | | |
4804 | 131 | old_extrasamples = tif->tif_dir.td_extrasamples; |
4805 | 131 | tif->tif_dir.td_extrasamples = |
4806 | 131 | (uint16_t)(tif->tif_dir.td_samplesperpixel - color_channels); |
4807 | | |
4808 | | // sampleinfo should contain information relative to these new extra |
4809 | | // samples |
4810 | 131 | new_sampleinfo = (uint16_t *)_TIFFcallocExt( |
4811 | 131 | tif, tif->tif_dir.td_extrasamples, sizeof(uint16_t)); |
4812 | 131 | if (!new_sampleinfo) |
4813 | 0 | { |
4814 | 0 | TIFFErrorExtR(tif, module, |
4815 | 0 | "Failed to allocate memory for " |
4816 | 0 | "temporary new sampleinfo array " |
4817 | 0 | "(%" PRIu16 " 16 bit elements)", |
4818 | 0 | tif->tif_dir.td_extrasamples); |
4819 | 0 | goto bad; |
4820 | 0 | } |
4821 | | |
4822 | 131 | if (old_extrasamples > 0) |
4823 | 11 | memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, |
4824 | 11 | old_extrasamples * sizeof(uint16_t)); |
4825 | 131 | _TIFFsetShortArrayExt(tif, &tif->tif_dir.td_sampleinfo, new_sampleinfo, |
4826 | 131 | tif->tif_dir.td_extrasamples); |
4827 | 131 | _TIFFfreeExt(tif, new_sampleinfo); |
4828 | 131 | } |
4829 | | |
4830 | | /* |
4831 | | * Verify Palette image has a Colormap. |
4832 | | */ |
4833 | 1.40k | if (tif->tif_dir.td_photometric == PHOTOMETRIC_PALETTE && |
4834 | 1.40k | !TIFFFieldSet(tif, FIELD_COLORMAP)) |
4835 | 31 | { |
4836 | 31 | if (tif->tif_dir.td_bitspersample >= 8 && |
4837 | 31 | tif->tif_dir.td_samplesperpixel == 3) |
4838 | 1 | tif->tif_dir.td_photometric = PHOTOMETRIC_RGB; |
4839 | 30 | else if (tif->tif_dir.td_bitspersample >= 8) |
4840 | 30 | tif->tif_dir.td_photometric = PHOTOMETRIC_MINISBLACK; |
4841 | 0 | else |
4842 | 0 | { |
4843 | 0 | MissingRequired(tif, "Colormap"); |
4844 | 0 | goto bad; |
4845 | 0 | } |
4846 | 31 | } |
4847 | | /* |
4848 | | * OJPEG hack: |
4849 | | * We do no further messing with strip/tile offsets/bytecounts in OJPEG |
4850 | | * TIFFs |
4851 | | */ |
4852 | 1.40k | if (tif->tif_dir.td_compression != COMPRESSION_OJPEG) |
4853 | 1.39k | { |
4854 | | /* |
4855 | | * Attempt to deal with a missing StripByteCounts tag. |
4856 | | */ |
4857 | 1.39k | if (!TIFFFieldSet(tif, FIELD_STRIPBYTECOUNTS)) |
4858 | 182 | { |
4859 | | /* |
4860 | | * Some manufacturers violate the spec by not giving |
4861 | | * the size of the strips. In this case, assume there |
4862 | | * is one uncompressed strip of data. |
4863 | | */ |
4864 | 182 | if ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG && |
4865 | 182 | tif->tif_dir.td_nstrips > 1) || |
4866 | 182 | (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE && |
4867 | 182 | tif->tif_dir.td_nstrips != |
4868 | 3 | (uint32_t)tif->tif_dir.td_samplesperpixel)) |
4869 | 0 | { |
4870 | 0 | MissingRequired(tif, "StripByteCounts"); |
4871 | 0 | goto bad; |
4872 | 0 | } |
4873 | 182 | TIFFWarningExtR( |
4874 | 182 | tif, module, |
4875 | 182 | "TIFF directory is missing required " |
4876 | 182 | "\"StripByteCounts\" field, calculating from imagelength"); |
4877 | 182 | if (EstimateStripByteCounts(tif, dir, dircount) < 0) |
4878 | 11 | goto bad; |
4879 | 182 | } |
4880 | 1.21k | else if (tif->tif_dir.td_nstrips == 1 && |
4881 | 1.21k | !(tif->tif_flags & TIFF_ISTILED) && ByteCountLooksBad(tif)) |
4882 | 12 | { |
4883 | | /* |
4884 | | * XXX: Plexus (and others) sometimes give a value of |
4885 | | * zero for a tag when they don't know what the |
4886 | | * correct value is! Try and handle the simple case |
4887 | | * of estimating the size of a one strip image. |
4888 | | */ |
4889 | 12 | TIFFWarningExtR(tif, module, |
4890 | 12 | "Bogus \"StripByteCounts\" field, ignoring and " |
4891 | 12 | "calculating from imagelength"); |
4892 | 12 | if (EstimateStripByteCounts(tif, dir, dircount) < 0) |
4893 | 2 | goto bad; |
4894 | 12 | } |
4895 | 1.20k | else if (!(tif->tif_flags & TIFF_DEFERSTRILELOAD) && |
4896 | 1.20k | tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG && |
4897 | 1.20k | tif->tif_dir.td_nstrips > 2 && |
4898 | 1.20k | tif->tif_dir.td_compression == COMPRESSION_NONE && |
4899 | 1.20k | TIFFGetStrileByteCount(tif, 0) != |
4900 | 161 | TIFFGetStrileByteCount(tif, 1) && |
4901 | 1.20k | TIFFGetStrileByteCount(tif, 0) != 0 && |
4902 | 1.20k | TIFFGetStrileByteCount(tif, 1) != 0) |
4903 | 99 | { |
4904 | | /* |
4905 | | * XXX: Some vendors fill StripByteCount array with |
4906 | | * absolutely wrong values (it can be equal to |
4907 | | * StripOffset array, for example). Catch this case |
4908 | | * here. |
4909 | | * |
4910 | | * We avoid this check if deferring strile loading |
4911 | | * as it would always force us to load the strip/tile |
4912 | | * information. |
4913 | | */ |
4914 | 99 | TIFFWarningExtR(tif, module, |
4915 | 99 | "Wrong \"StripByteCounts\" field, ignoring and " |
4916 | 99 | "calculating from imagelength"); |
4917 | 99 | if (EstimateStripByteCounts(tif, dir, dircount) < 0) |
4918 | 0 | goto bad; |
4919 | 99 | } |
4920 | 1.39k | } |
4921 | 1.38k | if (dir) |
4922 | 1.38k | { |
4923 | 1.38k | _TIFFfreeExt(tif, dir); |
4924 | 1.38k | dir = NULL; |
4925 | 1.38k | } |
4926 | 1.38k | if (!TIFFFieldSet(tif, FIELD_MAXSAMPLEVALUE)) |
4927 | 1.35k | { |
4928 | 1.35k | if (tif->tif_dir.td_bitspersample >= 16) |
4929 | 176 | tif->tif_dir.td_maxsamplevalue = 0xFFFF; |
4930 | 1.17k | else |
4931 | 1.17k | tif->tif_dir.td_maxsamplevalue = |
4932 | 1.17k | (uint16_t)((1L << tif->tif_dir.td_bitspersample) - 1); |
4933 | 1.35k | } |
4934 | | |
4935 | | #ifdef STRIPBYTECOUNTSORTED_UNUSED |
4936 | | /* |
4937 | | * XXX: We can optimize checking for the strip bounds using the sorted |
4938 | | * bytecounts array. See also comments for TIFFAppendToStrip() |
4939 | | * function in tif_write.c. |
4940 | | */ |
4941 | | if (!(tif->tif_flags & TIFF_DEFERSTRILELOAD) && tif->tif_dir.td_nstrips > 1) |
4942 | | { |
4943 | | uint32_t strip; |
4944 | | |
4945 | | tif->tif_dir.td_stripbytecountsorted = 1; |
4946 | | for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) |
4947 | | { |
4948 | | if (TIFFGetStrileOffset(tif, strip - 1) > |
4949 | | TIFFGetStrileOffset(tif, strip)) |
4950 | | { |
4951 | | tif->tif_dir.td_stripbytecountsorted = 0; |
4952 | | break; |
4953 | | } |
4954 | | } |
4955 | | } |
4956 | | #endif |
4957 | | |
4958 | | /* |
4959 | | * An opportunity for compression mode dependent tag fixup |
4960 | | */ |
4961 | 1.38k | (*tif->tif_fixuptags)(tif); |
4962 | | |
4963 | | /* |
4964 | | * Some manufacturers make life difficult by writing |
4965 | | * large amounts of uncompressed data as a single strip. |
4966 | | * This is contrary to the recommendations of the spec. |
4967 | | * The following makes an attempt at breaking such images |
4968 | | * into strips closer to the recommended 8k bytes. A |
4969 | | * side effect, however, is that the RowsPerStrip tag |
4970 | | * value may be changed. |
4971 | | */ |
4972 | 1.38k | if ((tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG) && |
4973 | 1.38k | (tif->tif_dir.td_nstrips == 1) && |
4974 | 1.38k | (tif->tif_dir.td_compression == COMPRESSION_NONE) && |
4975 | 1.38k | ((tif->tif_flags & (TIFF_STRIPCHOP | TIFF_ISTILED)) == TIFF_STRIPCHOP)) |
4976 | 0 | { |
4977 | 0 | ChopUpSingleUncompressedStrip(tif); |
4978 | 0 | } |
4979 | | |
4980 | | /* There are also uncompressed striped files with strips larger than */ |
4981 | | /* 2 GB, which make them unfriendly with a lot of code. If possible, */ |
4982 | | /* try to expose smaller "virtual" strips. */ |
4983 | 1.38k | if (tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG && |
4984 | 1.38k | tif->tif_dir.td_compression == COMPRESSION_NONE && |
4985 | 1.38k | (tif->tif_flags & (TIFF_STRIPCHOP | TIFF_ISTILED)) == TIFF_STRIPCHOP && |
4986 | 1.38k | TIFFStripSize64(tif) > 0x7FFFFFFFUL) |
4987 | 0 | { |
4988 | 0 | TryChopUpUncompressedBigTiff(tif); |
4989 | 0 | } |
4990 | | |
4991 | | /* |
4992 | | * Clear the dirty directory flag. |
4993 | | */ |
4994 | 1.38k | tif->tif_flags &= ~TIFF_DIRTYDIRECT; |
4995 | 1.38k | tif->tif_flags &= ~TIFF_DIRTYSTRIP; |
4996 | | |
4997 | | /* |
4998 | | * Reinitialize i/o since we are starting on a new directory. |
4999 | | */ |
5000 | 1.38k | tif->tif_row = (uint32_t)-1; |
5001 | 1.38k | tif->tif_curstrip = (uint32_t)-1; |
5002 | 1.38k | tif->tif_col = (uint32_t)-1; |
5003 | 1.38k | tif->tif_curtile = (uint32_t)-1; |
5004 | 1.38k | tif->tif_tilesize = (tmsize_t)-1; |
5005 | | |
5006 | 1.38k | tif->tif_scanlinesize = TIFFScanlineSize(tif); |
5007 | 1.38k | if (!tif->tif_scanlinesize) |
5008 | 37 | { |
5009 | 37 | TIFFErrorExtR(tif, module, "Cannot handle zero scanline size"); |
5010 | 37 | return (0); |
5011 | 37 | } |
5012 | | |
5013 | 1.35k | if (isTiled(tif)) |
5014 | 662 | { |
5015 | 662 | tif->tif_tilesize = TIFFTileSize(tif); |
5016 | 662 | if (!tif->tif_tilesize) |
5017 | 0 | { |
5018 | 0 | TIFFErrorExtR(tif, module, "Cannot handle zero tile size"); |
5019 | 0 | return (0); |
5020 | 0 | } |
5021 | 662 | } |
5022 | 688 | else |
5023 | 688 | { |
5024 | 688 | if (!TIFFStripSize(tif)) |
5025 | 72 | { |
5026 | 72 | TIFFErrorExtR(tif, module, "Cannot handle zero strip size"); |
5027 | 72 | return (0); |
5028 | 72 | } |
5029 | 688 | } |
5030 | 1.27k | return (1); |
5031 | 158 | bad: |
5032 | 158 | if (dir) |
5033 | 158 | _TIFFfreeExt(tif, dir); |
5034 | 158 | return (0); |
5035 | 1.35k | } |
5036 | | |
5037 | | static void TIFFReadDirectoryCheckOrder(TIFF *tif, TIFFDirEntry *dir, |
5038 | | uint16_t dircount) |
5039 | 1.54k | { |
5040 | 1.54k | static const char module[] = "TIFFReadDirectoryCheckOrder"; |
5041 | 1.54k | uint32_t m; |
5042 | 1.54k | uint16_t n; |
5043 | 1.54k | TIFFDirEntry *o; |
5044 | 1.54k | m = 0; |
5045 | 6.67k | for (n = 0, o = dir; n < dircount; n++, o++) |
5046 | 6.61k | { |
5047 | 6.61k | if (o->tdir_tag < m) |
5048 | 1.48k | { |
5049 | 1.48k | TIFFWarningExtR(tif, module, |
5050 | 1.48k | "Invalid TIFF directory; tags are not sorted in " |
5051 | 1.48k | "ascending order"); |
5052 | 1.48k | break; |
5053 | 1.48k | } |
5054 | 5.12k | m = o->tdir_tag + 1; |
5055 | 5.12k | } |
5056 | 1.54k | } |
5057 | | |
5058 | | static TIFFDirEntry *TIFFReadDirectoryFindEntry(TIFF *tif, TIFFDirEntry *dir, |
5059 | | uint16_t dircount, |
5060 | | uint16_t tagid) |
5061 | 3.10k | { |
5062 | 3.10k | TIFFDirEntry *m; |
5063 | 3.10k | uint16_t n; |
5064 | 3.10k | (void)tif; |
5065 | 305k | for (m = dir, n = 0; n < dircount; m++, n++) |
5066 | 304k | { |
5067 | 304k | if (m->tdir_tag == tagid) |
5068 | 2.51k | return (m); |
5069 | 304k | } |
5070 | 590 | return (0); |
5071 | 3.10k | } |
5072 | | |
5073 | | static void TIFFReadDirectoryFindFieldInfo(TIFF *tif, uint16_t tagid, |
5074 | | uint32_t *fii) |
5075 | 451k | { |
5076 | 451k | int32_t ma, mb, mc; |
5077 | 451k | ma = -1; |
5078 | 451k | mc = (int32_t)tif->tif_nfields; |
5079 | 3.71M | while (1) |
5080 | 3.71M | { |
5081 | 3.71M | if (ma + 1 == mc) |
5082 | 141k | { |
5083 | 141k | *fii = FAILED_FII; |
5084 | 141k | return; |
5085 | 141k | } |
5086 | 3.56M | mb = (ma + mc) / 2; |
5087 | 3.56M | if (tif->tif_fields[mb]->field_tag == (uint32_t)tagid) |
5088 | 310k | break; |
5089 | 3.25M | if (tif->tif_fields[mb]->field_tag < (uint32_t)tagid) |
5090 | 1.70M | ma = mb; |
5091 | 1.55M | else |
5092 | 1.55M | mc = mb; |
5093 | 3.25M | } |
5094 | 310k | while (1) |
5095 | 310k | { |
5096 | 310k | if (mb == 0) |
5097 | 3.48k | break; |
5098 | 306k | if (tif->tif_fields[mb - 1]->field_tag != (uint32_t)tagid) |
5099 | 306k | break; |
5100 | 0 | mb--; |
5101 | 0 | } |
5102 | 310k | *fii = mb; |
5103 | 310k | } |
5104 | | |
5105 | | /* |
5106 | | * Read custom directory from the arbitrary offset. |
5107 | | * The code is very similar to TIFFReadDirectory(). |
5108 | | */ |
5109 | | int TIFFReadCustomDirectory(TIFF *tif, toff_t diroff, |
5110 | | const TIFFFieldArray *infoarray) |
5111 | 0 | { |
5112 | 0 | static const char module[] = "TIFFReadCustomDirectory"; |
5113 | 0 | TIFFDirEntry *dir; |
5114 | 0 | uint16_t dircount; |
5115 | 0 | TIFFDirEntry *dp; |
5116 | 0 | uint16_t di; |
5117 | 0 | const TIFFField *fip; |
5118 | 0 | uint32_t fii; |
5119 | 0 | (*tif->tif_cleanup)(tif); /* cleanup any previous compression state */ |
5120 | 0 | _TIFFSetupFields(tif, infoarray); |
5121 | 0 | dircount = TIFFFetchDirectory(tif, diroff, &dir, NULL); |
5122 | 0 | if (!dircount) |
5123 | 0 | { |
5124 | 0 | TIFFErrorExtR(tif, module, |
5125 | 0 | "Failed to read custom directory at offset %" PRIu64, |
5126 | 0 | diroff); |
5127 | 0 | return 0; |
5128 | 0 | } |
5129 | 0 | TIFFFreeDirectory(tif); |
5130 | 0 | _TIFFmemset(&tif->tif_dir, 0, sizeof(TIFFDirectory)); |
5131 | 0 | TIFFReadDirectoryCheckOrder(tif, dir, dircount); |
5132 | 0 | for (di = 0, dp = dir; di < dircount; di++, dp++) |
5133 | 0 | { |
5134 | 0 | TIFFReadDirectoryFindFieldInfo(tif, dp->tdir_tag, &fii); |
5135 | 0 | if (fii == FAILED_FII) |
5136 | 0 | { |
5137 | 0 | TIFFWarningExtR(tif, module, |
5138 | 0 | "Unknown field with tag %" PRIu16 " (0x%" PRIx16 |
5139 | 0 | ") encountered", |
5140 | 0 | dp->tdir_tag, dp->tdir_tag); |
5141 | 0 | if (!_TIFFMergeFields( |
5142 | 0 | tif, |
5143 | 0 | _TIFFCreateAnonField(tif, dp->tdir_tag, |
5144 | 0 | (TIFFDataType)dp->tdir_type), |
5145 | 0 | 1)) |
5146 | 0 | { |
5147 | 0 | TIFFWarningExtR(tif, module, |
5148 | 0 | "Registering anonymous field with tag %" PRIu16 |
5149 | 0 | " (0x%" PRIx16 ") failed", |
5150 | 0 | dp->tdir_tag, dp->tdir_tag); |
5151 | 0 | dp->tdir_ignore = TRUE; |
5152 | 0 | } |
5153 | 0 | else |
5154 | 0 | { |
5155 | 0 | TIFFReadDirectoryFindFieldInfo(tif, dp->tdir_tag, &fii); |
5156 | 0 | assert(fii != FAILED_FII); |
5157 | 0 | } |
5158 | 0 | } |
5159 | 0 | if (!dp->tdir_ignore) |
5160 | 0 | { |
5161 | 0 | fip = tif->tif_fields[fii]; |
5162 | 0 | if (fip->field_bit == FIELD_IGNORE) |
5163 | 0 | dp->tdir_ignore = TRUE; |
5164 | 0 | else |
5165 | 0 | { |
5166 | | /* check data type */ |
5167 | 0 | while ((fip->field_type != TIFF_ANY) && |
5168 | 0 | (fip->field_type != dp->tdir_type)) |
5169 | 0 | { |
5170 | 0 | fii++; |
5171 | 0 | if ((fii == tif->tif_nfields) || |
5172 | 0 | (tif->tif_fields[fii]->field_tag != |
5173 | 0 | (uint32_t)dp->tdir_tag)) |
5174 | 0 | { |
5175 | 0 | fii = 0xFFFF; |
5176 | 0 | break; |
5177 | 0 | } |
5178 | 0 | fip = tif->tif_fields[fii]; |
5179 | 0 | } |
5180 | 0 | if (fii == 0xFFFF) |
5181 | 0 | { |
5182 | 0 | TIFFWarningExtR(tif, module, |
5183 | 0 | "Wrong data type %" PRIu16 |
5184 | 0 | " for \"%s\"; tag ignored", |
5185 | 0 | dp->tdir_type, fip->field_name); |
5186 | 0 | dp->tdir_ignore = TRUE; |
5187 | 0 | } |
5188 | 0 | else |
5189 | 0 | { |
5190 | | /* check count if known in advance */ |
5191 | 0 | if ((fip->field_readcount != TIFF_VARIABLE) && |
5192 | 0 | (fip->field_readcount != TIFF_VARIABLE2)) |
5193 | 0 | { |
5194 | 0 | uint32_t expected; |
5195 | 0 | if (fip->field_readcount == TIFF_SPP) |
5196 | 0 | expected = |
5197 | 0 | (uint32_t)tif->tif_dir.td_samplesperpixel; |
5198 | 0 | else |
5199 | 0 | expected = (uint32_t)fip->field_readcount; |
5200 | 0 | if (!CheckDirCount(tif, dp, expected)) |
5201 | 0 | dp->tdir_ignore = TRUE; |
5202 | 0 | } |
5203 | 0 | } |
5204 | 0 | } |
5205 | 0 | if (!dp->tdir_ignore) |
5206 | 0 | { |
5207 | 0 | switch (dp->tdir_tag) |
5208 | 0 | { |
5209 | 0 | case EXIFTAG_SUBJECTDISTANCE: |
5210 | 0 | if (!TIFFFieldIsAnonymous(fip)) |
5211 | 0 | { |
5212 | | /* should only be called on a Exif directory */ |
5213 | | /* when exifFields[] is active */ |
5214 | 0 | (void)TIFFFetchSubjectDistance(tif, dp); |
5215 | 0 | } |
5216 | 0 | else |
5217 | 0 | { |
5218 | 0 | (void)TIFFFetchNormalTag(tif, dp, TRUE); |
5219 | 0 | } |
5220 | 0 | break; |
5221 | 0 | default: |
5222 | 0 | (void)TIFFFetchNormalTag(tif, dp, TRUE); |
5223 | 0 | break; |
5224 | 0 | } |
5225 | 0 | } /*-- if (!dp->tdir_ignore) */ |
5226 | 0 | } |
5227 | 0 | } |
5228 | | /* To be able to return from SubIFD or custom-IFD to main-IFD */ |
5229 | 0 | tif->tif_setdirectory_force_absolute = TRUE; |
5230 | 0 | if (dir) |
5231 | 0 | _TIFFfreeExt(tif, dir); |
5232 | 0 | return 1; |
5233 | 0 | } |
5234 | | |
5235 | | /* |
5236 | | * EXIF is important special case of custom IFD, so we have a special |
5237 | | * function to read it. |
5238 | | */ |
5239 | | int TIFFReadEXIFDirectory(TIFF *tif, toff_t diroff) |
5240 | 0 | { |
5241 | 0 | const TIFFFieldArray *exifFieldArray; |
5242 | 0 | exifFieldArray = _TIFFGetExifFields(); |
5243 | 0 | return TIFFReadCustomDirectory(tif, diroff, exifFieldArray); |
5244 | 0 | } |
5245 | | |
5246 | | /* |
5247 | | *--: EXIF-GPS custom directory reading as another special case of custom IFD. |
5248 | | */ |
5249 | | int TIFFReadGPSDirectory(TIFF *tif, toff_t diroff) |
5250 | 0 | { |
5251 | 0 | const TIFFFieldArray *gpsFieldArray; |
5252 | 0 | gpsFieldArray = _TIFFGetGpsFields(); |
5253 | 0 | return TIFFReadCustomDirectory(tif, diroff, gpsFieldArray); |
5254 | 0 | } |
5255 | | |
5256 | | static int EstimateStripByteCounts(TIFF *tif, TIFFDirEntry *dir, |
5257 | | uint16_t dircount) |
5258 | 293 | { |
5259 | 293 | static const char module[] = "EstimateStripByteCounts"; |
5260 | | |
5261 | 293 | TIFFDirEntry *dp; |
5262 | 293 | TIFFDirectory *td = &tif->tif_dir; |
5263 | 293 | uint32_t strip; |
5264 | | |
5265 | | /* Do not try to load stripbytecount as we will compute it */ |
5266 | 293 | if (!_TIFFFillStrilesInternal(tif, 0)) |
5267 | 0 | return -1; |
5268 | | |
5269 | 293 | if (td->td_stripbytecount_p) |
5270 | 111 | _TIFFfreeExt(tif, td->td_stripbytecount_p); |
5271 | 293 | td->td_stripbytecount_p = (uint64_t *)_TIFFCheckMalloc( |
5272 | 293 | tif, td->td_nstrips, sizeof(uint64_t), "for \"StripByteCounts\" array"); |
5273 | 293 | if (td->td_stripbytecount_p == NULL) |
5274 | 0 | return -1; |
5275 | | |
5276 | 293 | if (td->td_compression != COMPRESSION_NONE) |
5277 | 137 | { |
5278 | 137 | uint64_t space; |
5279 | 137 | uint64_t filesize; |
5280 | 137 | uint16_t n; |
5281 | 137 | filesize = TIFFGetFileSize(tif); |
5282 | 137 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5283 | 137 | space = sizeof(TIFFHeaderClassic) + 2 + dircount * 12 + 4; |
5284 | 0 | else |
5285 | 0 | space = sizeof(TIFFHeaderBig) + 8 + dircount * 20 + 8; |
5286 | | /* calculate amount of space used by indirect values */ |
5287 | 1.61k | for (dp = dir, n = dircount; n > 0; n--, dp++) |
5288 | 1.48k | { |
5289 | 1.48k | uint32_t typewidth; |
5290 | 1.48k | uint64_t datasize; |
5291 | 1.48k | typewidth = TIFFDataWidth((TIFFDataType)dp->tdir_type); |
5292 | 1.48k | if (typewidth == 0) |
5293 | 13 | { |
5294 | 13 | TIFFErrorExtR( |
5295 | 13 | tif, module, |
5296 | 13 | "Cannot determine size of unknown tag type %" PRIu16, |
5297 | 13 | dp->tdir_type); |
5298 | 13 | return -1; |
5299 | 13 | } |
5300 | 1.47k | if (dp->tdir_count > UINT64_MAX / typewidth) |
5301 | 0 | return -1; |
5302 | 1.47k | datasize = (uint64_t)typewidth * dp->tdir_count; |
5303 | 1.47k | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5304 | 1.47k | { |
5305 | 1.47k | if (datasize <= 4) |
5306 | 1.07k | datasize = 0; |
5307 | 1.47k | } |
5308 | 0 | else |
5309 | 0 | { |
5310 | 0 | if (datasize <= 8) |
5311 | 0 | datasize = 0; |
5312 | 0 | } |
5313 | 1.47k | if (space > UINT64_MAX - datasize) |
5314 | 0 | return -1; |
5315 | 1.47k | space += datasize; |
5316 | 1.47k | } |
5317 | 124 | if (filesize < space) |
5318 | | /* we should perhaps return in error ? */ |
5319 | 96 | space = filesize; |
5320 | 28 | else |
5321 | 28 | space = filesize - space; |
5322 | 124 | if (td->td_planarconfig == PLANARCONFIG_SEPARATE) |
5323 | 0 | space /= td->td_samplesperpixel; |
5324 | 248 | for (strip = 0; strip < td->td_nstrips; strip++) |
5325 | 124 | td->td_stripbytecount_p[strip] = space; |
5326 | | /* |
5327 | | * This gross hack handles the case were the offset to |
5328 | | * the last strip is past the place where we think the strip |
5329 | | * should begin. Since a strip of data must be contiguous, |
5330 | | * it's safe to assume that we've overestimated the amount |
5331 | | * of data in the strip and trim this number back accordingly. |
5332 | | */ |
5333 | 124 | strip--; |
5334 | 124 | if (td->td_stripoffset_p[strip] > |
5335 | 124 | UINT64_MAX - td->td_stripbytecount_p[strip]) |
5336 | 0 | return -1; |
5337 | 124 | if (td->td_stripoffset_p[strip] + td->td_stripbytecount_p[strip] > |
5338 | 124 | filesize) |
5339 | 95 | { |
5340 | 95 | if (td->td_stripoffset_p[strip] >= filesize) |
5341 | 0 | { |
5342 | | /* Not sure what we should in that case... */ |
5343 | 0 | td->td_stripbytecount_p[strip] = 0; |
5344 | 0 | } |
5345 | 95 | else |
5346 | 95 | { |
5347 | 95 | td->td_stripbytecount_p[strip] = |
5348 | 95 | filesize - td->td_stripoffset_p[strip]; |
5349 | 95 | } |
5350 | 95 | } |
5351 | 124 | } |
5352 | 156 | else if (isTiled(tif)) |
5353 | 65 | { |
5354 | 65 | uint64_t bytespertile = TIFFTileSize64(tif); |
5355 | | |
5356 | 38.9k | for (strip = 0; strip < td->td_nstrips; strip++) |
5357 | 38.8k | td->td_stripbytecount_p[strip] = bytespertile; |
5358 | 65 | } |
5359 | 91 | else |
5360 | 91 | { |
5361 | 91 | uint64_t rowbytes = TIFFScanlineSize64(tif); |
5362 | 91 | uint32_t rowsperstrip = td->td_imagelength / td->td_stripsperimage; |
5363 | 3.83k | for (strip = 0; strip < td->td_nstrips; strip++) |
5364 | 3.74k | { |
5365 | 3.74k | if (rowbytes > 0 && rowsperstrip > UINT64_MAX / rowbytes) |
5366 | 0 | return -1; |
5367 | 3.74k | td->td_stripbytecount_p[strip] = rowbytes * rowsperstrip; |
5368 | 3.74k | } |
5369 | 91 | } |
5370 | 280 | TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS); |
5371 | 280 | if (!TIFFFieldSet(tif, FIELD_ROWSPERSTRIP)) |
5372 | 203 | td->td_rowsperstrip = td->td_imagelength; |
5373 | 280 | return 1; |
5374 | 293 | } |
5375 | | |
5376 | | static void MissingRequired(TIFF *tif, const char *tagname) |
5377 | 52 | { |
5378 | 52 | static const char module[] = "MissingRequired"; |
5379 | | |
5380 | 52 | TIFFErrorExtR(tif, module, |
5381 | 52 | "TIFF directory is missing required \"%s\" field", tagname); |
5382 | 52 | } |
5383 | | |
5384 | | static unsigned long hashFuncOffsetToNumber(const void *elt) |
5385 | 10.2k | { |
5386 | 10.2k | const TIFFOffsetAndDirNumber *offsetAndDirNumber = |
5387 | 10.2k | (const TIFFOffsetAndDirNumber *)elt; |
5388 | 10.2k | const uint32_t hash = (uint32_t)(offsetAndDirNumber->offset >> 32) ^ |
5389 | 10.2k | ((uint32_t)offsetAndDirNumber->offset & 0xFFFFFFFFU); |
5390 | 10.2k | return hash; |
5391 | 10.2k | } |
5392 | | |
5393 | | static bool equalFuncOffsetToNumber(const void *elt1, const void *elt2) |
5394 | 2.37k | { |
5395 | 2.37k | const TIFFOffsetAndDirNumber *offsetAndDirNumber1 = |
5396 | 2.37k | (const TIFFOffsetAndDirNumber *)elt1; |
5397 | 2.37k | const TIFFOffsetAndDirNumber *offsetAndDirNumber2 = |
5398 | 2.37k | (const TIFFOffsetAndDirNumber *)elt2; |
5399 | 2.37k | return offsetAndDirNumber1->offset == offsetAndDirNumber2->offset; |
5400 | 2.37k | } |
5401 | | |
5402 | | static unsigned long hashFuncNumberToOffset(const void *elt) |
5403 | 7.92k | { |
5404 | 7.92k | const TIFFOffsetAndDirNumber *offsetAndDirNumber = |
5405 | 7.92k | (const TIFFOffsetAndDirNumber *)elt; |
5406 | 7.92k | return offsetAndDirNumber->dirNumber; |
5407 | 7.92k | } |
5408 | | |
5409 | | static bool equalFuncNumberToOffset(const void *elt1, const void *elt2) |
5410 | 0 | { |
5411 | 0 | const TIFFOffsetAndDirNumber *offsetAndDirNumber1 = |
5412 | 0 | (const TIFFOffsetAndDirNumber *)elt1; |
5413 | 0 | const TIFFOffsetAndDirNumber *offsetAndDirNumber2 = |
5414 | 0 | (const TIFFOffsetAndDirNumber *)elt2; |
5415 | 0 | return offsetAndDirNumber1->dirNumber == offsetAndDirNumber2->dirNumber; |
5416 | 0 | } |
5417 | | |
5418 | | /* |
5419 | | * Check the directory number and offset against the list of already seen |
5420 | | * directory numbers and offsets. This is a trick to prevent IFD looping. |
5421 | | * The one can create TIFF file with looped directory pointers. We will |
5422 | | * maintain a list of already seen directories and check every IFD offset |
5423 | | * and its IFD number against that list. However, the offset of an IFD number |
5424 | | * can change - e.g. when writing updates to file. |
5425 | | * Returns 1 if all is ok; 0 if last directory or IFD loop is encountered, |
5426 | | * or an error has occurred. |
5427 | | */ |
5428 | | int _TIFFCheckDirNumberAndOffset(TIFF *tif, tdir_t dirn, uint64_t diroff) |
5429 | 4.99k | { |
5430 | 4.99k | if (diroff == 0) /* no more directories */ |
5431 | 0 | return 0; |
5432 | | |
5433 | 4.99k | if (tif->tif_map_dir_offset_to_number == NULL) |
5434 | 1.54k | { |
5435 | 1.54k | tif->tif_map_dir_offset_to_number = TIFFHashSetNew( |
5436 | 1.54k | hashFuncOffsetToNumber, equalFuncOffsetToNumber, free); |
5437 | 1.54k | if (tif->tif_map_dir_offset_to_number == NULL) |
5438 | 0 | { |
5439 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5440 | 0 | "Not enough memory"); |
5441 | 0 | return 1; |
5442 | 0 | } |
5443 | 1.54k | } |
5444 | | |
5445 | 4.99k | if (tif->tif_map_dir_number_to_offset == NULL) |
5446 | 1.54k | { |
5447 | | /* No free callback for this map, as it shares the same items as |
5448 | | * tif->tif_map_dir_offset_to_number. */ |
5449 | 1.54k | tif->tif_map_dir_number_to_offset = TIFFHashSetNew( |
5450 | 1.54k | hashFuncNumberToOffset, equalFuncNumberToOffset, NULL); |
5451 | 1.54k | if (tif->tif_map_dir_number_to_offset == NULL) |
5452 | 0 | { |
5453 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5454 | 0 | "Not enough memory"); |
5455 | 0 | return 1; |
5456 | 0 | } |
5457 | 1.54k | } |
5458 | | |
5459 | | /* Check if offset is already in the list: |
5460 | | * - yes: check, if offset is at the same IFD number - if not, it is an IFD |
5461 | | * loop |
5462 | | * - no: add to list or update offset at that IFD number |
5463 | | */ |
5464 | 4.99k | TIFFOffsetAndDirNumber entry; |
5465 | 4.99k | entry.offset = diroff; |
5466 | 4.99k | entry.dirNumber = dirn; |
5467 | | |
5468 | 4.99k | TIFFOffsetAndDirNumber *foundEntry = |
5469 | 4.99k | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5470 | 4.99k | tif->tif_map_dir_offset_to_number, &entry); |
5471 | 4.99k | if (foundEntry) |
5472 | 2.35k | { |
5473 | 2.35k | if (foundEntry->dirNumber == dirn) |
5474 | 2.35k | { |
5475 | 2.35k | return 1; |
5476 | 2.35k | } |
5477 | 1 | else |
5478 | 1 | { |
5479 | 1 | TIFFWarningExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5480 | 1 | "TIFF directory %d has IFD looping to directory %u " |
5481 | 1 | "at offset 0x%" PRIx64 " (%" PRIu64 ")", |
5482 | 1 | (int)dirn - 1, foundEntry->dirNumber, diroff, |
5483 | 1 | diroff); |
5484 | 1 | return 0; |
5485 | 1 | } |
5486 | 2.35k | } |
5487 | | |
5488 | | /* Check if offset of an IFD has been changed and update offset of that IFD |
5489 | | * number. */ |
5490 | 2.64k | foundEntry = (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5491 | 2.64k | tif->tif_map_dir_number_to_offset, &entry); |
5492 | 2.64k | if (foundEntry) |
5493 | 0 | { |
5494 | 0 | if (foundEntry->offset != diroff) |
5495 | 0 | { |
5496 | 0 | TIFFOffsetAndDirNumber entryOld; |
5497 | 0 | entryOld.offset = foundEntry->offset; |
5498 | 0 | entryOld.dirNumber = dirn; |
5499 | | /* We must remove first from tif_map_dir_number_to_offset as the */ |
5500 | | /* entry is owned (and thus freed) by */ |
5501 | | /* tif_map_dir_offset_to_number */ |
5502 | 0 | TIFFOffsetAndDirNumber *foundEntryOld = |
5503 | 0 | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5504 | 0 | tif->tif_map_dir_number_to_offset, &entryOld); |
5505 | 0 | if (foundEntryOld) |
5506 | 0 | { |
5507 | 0 | TIFFHashSetRemove(tif->tif_map_dir_number_to_offset, |
5508 | 0 | foundEntryOld); |
5509 | 0 | } |
5510 | 0 | foundEntryOld = (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5511 | 0 | tif->tif_map_dir_offset_to_number, &entryOld); |
5512 | 0 | if (foundEntryOld) |
5513 | 0 | { |
5514 | 0 | TIFFHashSetRemove(tif->tif_map_dir_offset_to_number, |
5515 | 0 | foundEntryOld); |
5516 | 0 | } |
5517 | |
|
5518 | 0 | TIFFOffsetAndDirNumber *entryPtr = (TIFFOffsetAndDirNumber *)malloc( |
5519 | 0 | sizeof(TIFFOffsetAndDirNumber)); |
5520 | 0 | if (entryPtr == NULL) |
5521 | 0 | { |
5522 | 0 | return 0; |
5523 | 0 | } |
5524 | | |
5525 | | /* Add IFD offset and dirn to IFD directory list */ |
5526 | 0 | *entryPtr = entry; |
5527 | |
|
5528 | 0 | if (!TIFFHashSetInsert(tif->tif_map_dir_offset_to_number, entryPtr)) |
5529 | 0 | { |
5530 | 0 | TIFFErrorExtR( |
5531 | 0 | tif, "_TIFFCheckDirNumberAndOffset", |
5532 | 0 | "Insertion in tif_map_dir_offset_to_number failed"); |
5533 | 0 | return 0; |
5534 | 0 | } |
5535 | 0 | if (!TIFFHashSetInsert(tif->tif_map_dir_number_to_offset, entryPtr)) |
5536 | 0 | { |
5537 | 0 | TIFFErrorExtR( |
5538 | 0 | tif, "_TIFFCheckDirNumberAndOffset", |
5539 | 0 | "Insertion in tif_map_dir_number_to_offset failed"); |
5540 | 0 | return 0; |
5541 | 0 | } |
5542 | 0 | } |
5543 | 0 | return 1; |
5544 | 0 | } |
5545 | | |
5546 | | /* Arbitrary (hopefully big enough) limit */ |
5547 | 2.64k | if (TIFFHashSetSize(tif->tif_map_dir_offset_to_number) >= |
5548 | 2.64k | TIFF_MAX_DIR_COUNT) |
5549 | 0 | { |
5550 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5551 | 0 | "Cannot handle more than %u TIFF directories", |
5552 | 0 | TIFF_MAX_DIR_COUNT); |
5553 | 0 | return 0; |
5554 | 0 | } |
5555 | | |
5556 | 2.64k | TIFFOffsetAndDirNumber *entryPtr = |
5557 | 2.64k | (TIFFOffsetAndDirNumber *)malloc(sizeof(TIFFOffsetAndDirNumber)); |
5558 | 2.64k | if (entryPtr == NULL) |
5559 | 0 | { |
5560 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5561 | 0 | "malloc(sizeof(TIFFOffsetAndDirNumber)) failed"); |
5562 | 0 | return 0; |
5563 | 0 | } |
5564 | | |
5565 | | /* Add IFD offset and dirn to IFD directory list */ |
5566 | 2.64k | *entryPtr = entry; |
5567 | | |
5568 | 2.64k | if (!TIFFHashSetInsert(tif->tif_map_dir_offset_to_number, entryPtr)) |
5569 | 0 | { |
5570 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5571 | 0 | "Insertion in tif_map_dir_offset_to_number failed"); |
5572 | 0 | return 0; |
5573 | 0 | } |
5574 | 2.64k | if (!TIFFHashSetInsert(tif->tif_map_dir_number_to_offset, entryPtr)) |
5575 | 0 | { |
5576 | 0 | TIFFErrorExtR(tif, "_TIFFCheckDirNumberAndOffset", |
5577 | 0 | "Insertion in tif_map_dir_number_to_offset failed"); |
5578 | 0 | return 0; |
5579 | 0 | } |
5580 | | |
5581 | 2.64k | return 1; |
5582 | 2.64k | } /* --- _TIFFCheckDirNumberAndOffset() ---*/ |
5583 | | |
5584 | | /* |
5585 | | * Retrieve the matching IFD directory number of a given IFD offset |
5586 | | * from the list of directories already seen. |
5587 | | * Returns 1 if the offset was in the list and the directory number |
5588 | | * can be returned. |
5589 | | * Otherwise returns 0 or if an error occurred. |
5590 | | */ |
5591 | | int _TIFFGetDirNumberFromOffset(TIFF *tif, uint64_t diroff, tdir_t *dirn) |
5592 | 0 | { |
5593 | 0 | if (diroff == 0) /* no more directories */ |
5594 | 0 | return 0; |
5595 | | |
5596 | | /* Check if offset is already in the list and return matching directory |
5597 | | * number. Otherwise update IFD list using TIFFNumberOfDirectories() and |
5598 | | * search again in IFD list. |
5599 | | */ |
5600 | 0 | if (tif->tif_map_dir_offset_to_number == NULL) |
5601 | 0 | return 0; |
5602 | 0 | TIFFOffsetAndDirNumber entry; |
5603 | 0 | entry.offset = diroff; |
5604 | 0 | entry.dirNumber = 0; /* not used */ |
5605 | |
|
5606 | 0 | TIFFOffsetAndDirNumber *foundEntry = |
5607 | 0 | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5608 | 0 | tif->tif_map_dir_offset_to_number, &entry); |
5609 | 0 | if (foundEntry) |
5610 | 0 | { |
5611 | 0 | *dirn = foundEntry->dirNumber; |
5612 | 0 | return 1; |
5613 | 0 | } |
5614 | | |
5615 | | /* This updates the directory list for all main-IFDs in the file. */ |
5616 | 0 | TIFFNumberOfDirectories(tif); |
5617 | |
|
5618 | 0 | foundEntry = (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5619 | 0 | tif->tif_map_dir_offset_to_number, &entry); |
5620 | 0 | if (foundEntry) |
5621 | 0 | { |
5622 | 0 | *dirn = foundEntry->dirNumber; |
5623 | 0 | return 1; |
5624 | 0 | } |
5625 | | |
5626 | 0 | return 0; |
5627 | 0 | } /*--- _TIFFGetDirNumberFromOffset() ---*/ |
5628 | | |
5629 | | /* |
5630 | | * Retrieve the matching IFD directory offset of a given IFD number |
5631 | | * from the list of directories already seen. |
5632 | | * Returns 1 if the offset was in the list of already seen IFDs and the |
5633 | | * directory offset can be returned. The directory list is not updated. |
5634 | | * Otherwise returns 0 or if an error occurred. |
5635 | | */ |
5636 | | int _TIFFGetOffsetFromDirNumber(TIFF *tif, tdir_t dirn, uint64_t *diroff) |
5637 | 0 | { |
5638 | |
|
5639 | 0 | if (tif->tif_map_dir_number_to_offset == NULL) |
5640 | 0 | return 0; |
5641 | 0 | TIFFOffsetAndDirNumber entry; |
5642 | 0 | entry.offset = 0; /* not used */ |
5643 | 0 | entry.dirNumber = dirn; |
5644 | |
|
5645 | 0 | TIFFOffsetAndDirNumber *foundEntry = |
5646 | 0 | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5647 | 0 | tif->tif_map_dir_number_to_offset, &entry); |
5648 | 0 | if (foundEntry) |
5649 | 0 | { |
5650 | 0 | *diroff = foundEntry->offset; |
5651 | 0 | return 1; |
5652 | 0 | } |
5653 | | |
5654 | 0 | return 0; |
5655 | 0 | } /*--- _TIFFGetOffsetFromDirNumber() ---*/ |
5656 | | |
5657 | | /* |
5658 | | * Remove an entry from the directory list of already seen directories |
5659 | | * by directory offset. |
5660 | | * If an entry is to be removed from the list, it is also okay if the entry |
5661 | | * is not in the list or the list does not exist. |
5662 | | */ |
5663 | | int _TIFFRemoveEntryFromDirectoryListByOffset(TIFF *tif, uint64_t diroff) |
5664 | 0 | { |
5665 | 0 | if (tif->tif_map_dir_offset_to_number == NULL) |
5666 | 0 | return 1; |
5667 | | |
5668 | 0 | TIFFOffsetAndDirNumber entryOld; |
5669 | 0 | entryOld.offset = diroff; |
5670 | 0 | entryOld.dirNumber = 0; |
5671 | | /* We must remove first from tif_map_dir_number_to_offset as the |
5672 | | * entry is owned (and thus freed) by tif_map_dir_offset_to_number. |
5673 | | * However, we need firstly to find the directory number from offset. */ |
5674 | |
|
5675 | 0 | TIFFOffsetAndDirNumber *foundEntryOldOff = |
5676 | 0 | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5677 | 0 | tif->tif_map_dir_offset_to_number, &entryOld); |
5678 | 0 | if (foundEntryOldOff) |
5679 | 0 | { |
5680 | 0 | entryOld.dirNumber = foundEntryOldOff->dirNumber; |
5681 | 0 | if (tif->tif_map_dir_number_to_offset != NULL) |
5682 | 0 | { |
5683 | 0 | TIFFOffsetAndDirNumber *foundEntryOldDir = |
5684 | 0 | (TIFFOffsetAndDirNumber *)TIFFHashSetLookup( |
5685 | 0 | tif->tif_map_dir_number_to_offset, &entryOld); |
5686 | 0 | if (foundEntryOldDir) |
5687 | 0 | { |
5688 | 0 | TIFFHashSetRemove(tif->tif_map_dir_number_to_offset, |
5689 | 0 | foundEntryOldDir); |
5690 | 0 | TIFFHashSetRemove(tif->tif_map_dir_offset_to_number, |
5691 | 0 | foundEntryOldOff); |
5692 | 0 | return 1; |
5693 | 0 | } |
5694 | 0 | } |
5695 | 0 | else |
5696 | 0 | { |
5697 | 0 | TIFFErrorExtR(tif, "_TIFFRemoveEntryFromDirectoryListByOffset", |
5698 | 0 | "Unexpectedly tif_map_dir_number_to_offset is " |
5699 | 0 | "missing but tif_map_dir_offset_to_number exists."); |
5700 | 0 | return 0; |
5701 | 0 | } |
5702 | 0 | } |
5703 | 0 | return 1; |
5704 | 0 | } /*--- _TIFFRemoveEntryFromDirectoryListByOffset() ---*/ |
5705 | | |
5706 | | /* |
5707 | | * Check the count field of a directory entry against a known value. The |
5708 | | * caller is expected to skip/ignore the tag if there is a mismatch. |
5709 | | */ |
5710 | | static int CheckDirCount(TIFF *tif, TIFFDirEntry *dir, uint32_t count) |
5711 | 0 | { |
5712 | 0 | if ((uint64_t)count > dir->tdir_count) |
5713 | 0 | { |
5714 | 0 | const TIFFField *fip = TIFFFieldWithTag(tif, dir->tdir_tag); |
5715 | 0 | TIFFWarningExtR(tif, tif->tif_name, |
5716 | 0 | "incorrect count for field \"%s\" (%" PRIu64 |
5717 | 0 | ", expecting %" PRIu32 "); tag ignored", |
5718 | 0 | fip ? fip->field_name : "unknown tagname", |
5719 | 0 | dir->tdir_count, count); |
5720 | 0 | return (0); |
5721 | 0 | } |
5722 | 0 | else if ((uint64_t)count < dir->tdir_count) |
5723 | 0 | { |
5724 | 0 | const TIFFField *fip = TIFFFieldWithTag(tif, dir->tdir_tag); |
5725 | 0 | TIFFWarningExtR(tif, tif->tif_name, |
5726 | 0 | "incorrect count for field \"%s\" (%" PRIu64 |
5727 | 0 | ", expecting %" PRIu32 "); tag trimmed", |
5728 | 0 | fip ? fip->field_name : "unknown tagname", |
5729 | 0 | dir->tdir_count, count); |
5730 | 0 | dir->tdir_count = count; |
5731 | 0 | return (1); |
5732 | 0 | } |
5733 | 0 | return (1); |
5734 | 0 | } |
5735 | | |
5736 | | /* |
5737 | | * Read IFD structure from the specified offset. If the pointer to |
5738 | | * nextdiroff variable has been specified, read it too. Function returns a |
5739 | | * number of fields in the directory or 0 if failed. |
5740 | | */ |
5741 | | static uint16_t TIFFFetchDirectory(TIFF *tif, uint64_t diroff, |
5742 | | TIFFDirEntry **pdir, uint64_t *nextdiroff) |
5743 | 1.54k | { |
5744 | 1.54k | static const char module[] = "TIFFFetchDirectory"; |
5745 | | |
5746 | 1.54k | void *origdir; |
5747 | 1.54k | uint16_t dircount16; |
5748 | 1.54k | uint32_t dirsize; |
5749 | 1.54k | TIFFDirEntry *dir; |
5750 | 1.54k | uint8_t *ma; |
5751 | 1.54k | TIFFDirEntry *mb; |
5752 | 1.54k | uint16_t n; |
5753 | | |
5754 | 1.54k | assert(pdir); |
5755 | | |
5756 | 1.54k | tif->tif_diroff = diroff; |
5757 | 1.54k | if (nextdiroff) |
5758 | 1.54k | *nextdiroff = 0; |
5759 | 1.54k | if (!isMapped(tif)) |
5760 | 0 | { |
5761 | 0 | if (!SeekOK(tif, tif->tif_diroff)) |
5762 | 0 | { |
5763 | 0 | TIFFErrorExtR(tif, module, |
5764 | 0 | "%s: Seek error accessing TIFF directory", |
5765 | 0 | tif->tif_name); |
5766 | 0 | return 0; |
5767 | 0 | } |
5768 | 0 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5769 | 0 | { |
5770 | 0 | if (!ReadOK(tif, &dircount16, sizeof(uint16_t))) |
5771 | 0 | { |
5772 | 0 | TIFFErrorExtR(tif, module, |
5773 | 0 | "%s: Can not read TIFF directory count", |
5774 | 0 | tif->tif_name); |
5775 | 0 | return 0; |
5776 | 0 | } |
5777 | 0 | if (tif->tif_flags & TIFF_SWAB) |
5778 | 0 | TIFFSwabShort(&dircount16); |
5779 | 0 | if (dircount16 > 4096) |
5780 | 0 | { |
5781 | 0 | TIFFErrorExtR(tif, module, |
5782 | 0 | "Sanity check on directory count failed, this is " |
5783 | 0 | "probably not a valid IFD offset"); |
5784 | 0 | return 0; |
5785 | 0 | } |
5786 | 0 | dirsize = 12; |
5787 | 0 | } |
5788 | 0 | else |
5789 | 0 | { |
5790 | 0 | uint64_t dircount64; |
5791 | 0 | if (!ReadOK(tif, &dircount64, sizeof(uint64_t))) |
5792 | 0 | { |
5793 | 0 | TIFFErrorExtR(tif, module, |
5794 | 0 | "%s: Can not read TIFF directory count", |
5795 | 0 | tif->tif_name); |
5796 | 0 | return 0; |
5797 | 0 | } |
5798 | 0 | if (tif->tif_flags & TIFF_SWAB) |
5799 | 0 | TIFFSwabLong8(&dircount64); |
5800 | 0 | if (dircount64 > 4096) |
5801 | 0 | { |
5802 | 0 | TIFFErrorExtR(tif, module, |
5803 | 0 | "Sanity check on directory count failed, this is " |
5804 | 0 | "probably not a valid IFD offset"); |
5805 | 0 | return 0; |
5806 | 0 | } |
5807 | 0 | dircount16 = (uint16_t)dircount64; |
5808 | 0 | dirsize = 20; |
5809 | 0 | } |
5810 | 0 | origdir = _TIFFCheckMalloc(tif, dircount16, dirsize, |
5811 | 0 | "to read TIFF directory"); |
5812 | 0 | if (origdir == NULL) |
5813 | 0 | return 0; |
5814 | 0 | if (!ReadOK(tif, origdir, (tmsize_t)(dircount16 * dirsize))) |
5815 | 0 | { |
5816 | 0 | TIFFErrorExtR(tif, module, "%.100s: Can not read TIFF directory", |
5817 | 0 | tif->tif_name); |
5818 | 0 | _TIFFfreeExt(tif, origdir); |
5819 | 0 | return 0; |
5820 | 0 | } |
5821 | | /* |
5822 | | * Read offset to next directory for sequential scans if |
5823 | | * needed. |
5824 | | */ |
5825 | 0 | if (nextdiroff) |
5826 | 0 | { |
5827 | 0 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5828 | 0 | { |
5829 | 0 | uint32_t nextdiroff32; |
5830 | 0 | if (!ReadOK(tif, &nextdiroff32, sizeof(uint32_t))) |
5831 | 0 | nextdiroff32 = 0; |
5832 | 0 | if (tif->tif_flags & TIFF_SWAB) |
5833 | 0 | TIFFSwabLong(&nextdiroff32); |
5834 | 0 | *nextdiroff = nextdiroff32; |
5835 | 0 | } |
5836 | 0 | else |
5837 | 0 | { |
5838 | 0 | if (!ReadOK(tif, nextdiroff, sizeof(uint64_t))) |
5839 | 0 | *nextdiroff = 0; |
5840 | 0 | if (tif->tif_flags & TIFF_SWAB) |
5841 | 0 | TIFFSwabLong8(nextdiroff); |
5842 | 0 | } |
5843 | 0 | } |
5844 | 0 | } |
5845 | 1.54k | else |
5846 | 1.54k | { |
5847 | 1.54k | tmsize_t m; |
5848 | 1.54k | tmsize_t off; |
5849 | 1.54k | if (tif->tif_diroff > (uint64_t)INT64_MAX) |
5850 | 0 | { |
5851 | 0 | TIFFErrorExtR(tif, module, "Can not read TIFF directory count"); |
5852 | 0 | return (0); |
5853 | 0 | } |
5854 | 1.54k | off = (tmsize_t)tif->tif_diroff; |
5855 | | |
5856 | | /* |
5857 | | * Check for integer overflow when validating the dir_off, |
5858 | | * otherwise a very high offset may cause an OOB read and |
5859 | | * crash the client. Make two comparisons instead of |
5860 | | * |
5861 | | * off + sizeof(uint16_t) > tif->tif_size |
5862 | | * |
5863 | | * to avoid overflow. |
5864 | | */ |
5865 | 1.54k | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5866 | 1.52k | { |
5867 | 1.52k | m = off + sizeof(uint16_t); |
5868 | 1.52k | if ((m < off) || (m < (tmsize_t)sizeof(uint16_t)) || |
5869 | 1.52k | (m > tif->tif_size)) |
5870 | 0 | { |
5871 | 0 | TIFFErrorExtR(tif, module, "Can not read TIFF directory count"); |
5872 | 0 | return 0; |
5873 | 0 | } |
5874 | 1.52k | else |
5875 | 1.52k | { |
5876 | 1.52k | _TIFFmemcpy(&dircount16, tif->tif_base + off, sizeof(uint16_t)); |
5877 | 1.52k | } |
5878 | 1.52k | off += sizeof(uint16_t); |
5879 | 1.52k | if (tif->tif_flags & TIFF_SWAB) |
5880 | 192 | TIFFSwabShort(&dircount16); |
5881 | 1.52k | if (dircount16 > 4096) |
5882 | 0 | { |
5883 | 0 | TIFFErrorExtR(tif, module, |
5884 | 0 | "Sanity check on directory count failed, this is " |
5885 | 0 | "probably not a valid IFD offset"); |
5886 | 0 | return 0; |
5887 | 0 | } |
5888 | 1.52k | dirsize = 12; |
5889 | 1.52k | } |
5890 | 25 | else |
5891 | 25 | { |
5892 | 25 | uint64_t dircount64; |
5893 | 25 | m = off + sizeof(uint64_t); |
5894 | 25 | if ((m < off) || (m < (tmsize_t)sizeof(uint64_t)) || |
5895 | 25 | (m > tif->tif_size)) |
5896 | 0 | { |
5897 | 0 | TIFFErrorExtR(tif, module, "Can not read TIFF directory count"); |
5898 | 0 | return 0; |
5899 | 0 | } |
5900 | 25 | else |
5901 | 25 | { |
5902 | 25 | _TIFFmemcpy(&dircount64, tif->tif_base + off, sizeof(uint64_t)); |
5903 | 25 | } |
5904 | 25 | off += sizeof(uint64_t); |
5905 | 25 | if (tif->tif_flags & TIFF_SWAB) |
5906 | 15 | TIFFSwabLong8(&dircount64); |
5907 | 25 | if (dircount64 > 4096) |
5908 | 0 | { |
5909 | 0 | TIFFErrorExtR(tif, module, |
5910 | 0 | "Sanity check on directory count failed, this is " |
5911 | 0 | "probably not a valid IFD offset"); |
5912 | 0 | return 0; |
5913 | 0 | } |
5914 | 25 | dircount16 = (uint16_t)dircount64; |
5915 | 25 | dirsize = 20; |
5916 | 25 | } |
5917 | 1.54k | if (dircount16 == 0) |
5918 | 0 | { |
5919 | 0 | TIFFErrorExtR(tif, module, |
5920 | 0 | "Sanity check on directory count failed, zero tag " |
5921 | 0 | "directories not supported"); |
5922 | 0 | return 0; |
5923 | 0 | } |
5924 | 1.54k | origdir = _TIFFCheckMalloc(tif, dircount16, dirsize, |
5925 | 1.54k | "to read TIFF directory"); |
5926 | 1.54k | if (origdir == NULL) |
5927 | 0 | return 0; |
5928 | 1.54k | m = off + dircount16 * dirsize; |
5929 | 1.54k | if ((m < off) || (m < (tmsize_t)(dircount16 * dirsize)) || |
5930 | 1.54k | (m > tif->tif_size)) |
5931 | 0 | { |
5932 | 0 | TIFFErrorExtR(tif, module, "Can not read TIFF directory"); |
5933 | 0 | _TIFFfreeExt(tif, origdir); |
5934 | 0 | return 0; |
5935 | 0 | } |
5936 | 1.54k | else |
5937 | 1.54k | { |
5938 | 1.54k | _TIFFmemcpy(origdir, tif->tif_base + off, dircount16 * dirsize); |
5939 | 1.54k | } |
5940 | 1.54k | if (nextdiroff) |
5941 | 1.54k | { |
5942 | 1.54k | off += dircount16 * dirsize; |
5943 | 1.54k | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5944 | 1.52k | { |
5945 | 1.52k | uint32_t nextdiroff32; |
5946 | 1.52k | m = off + sizeof(uint32_t); |
5947 | 1.52k | if ((m < off) || (m < (tmsize_t)sizeof(uint32_t)) || |
5948 | 1.52k | (m > tif->tif_size)) |
5949 | 42 | nextdiroff32 = 0; |
5950 | 1.47k | else |
5951 | 1.47k | _TIFFmemcpy(&nextdiroff32, tif->tif_base + off, |
5952 | 1.47k | sizeof(uint32_t)); |
5953 | 1.52k | if (tif->tif_flags & TIFF_SWAB) |
5954 | 192 | TIFFSwabLong(&nextdiroff32); |
5955 | 1.52k | *nextdiroff = nextdiroff32; |
5956 | 1.52k | } |
5957 | 25 | else |
5958 | 25 | { |
5959 | 25 | m = off + sizeof(uint64_t); |
5960 | 25 | if ((m < off) || (m < (tmsize_t)sizeof(uint64_t)) || |
5961 | 25 | (m > tif->tif_size)) |
5962 | 0 | *nextdiroff = 0; |
5963 | 25 | else |
5964 | 25 | _TIFFmemcpy(nextdiroff, tif->tif_base + off, |
5965 | 25 | sizeof(uint64_t)); |
5966 | 25 | if (tif->tif_flags & TIFF_SWAB) |
5967 | 15 | TIFFSwabLong8(nextdiroff); |
5968 | 25 | } |
5969 | 1.54k | } |
5970 | 1.54k | } |
5971 | 1.54k | dir = (TIFFDirEntry *)_TIFFCheckMalloc( |
5972 | 1.54k | tif, dircount16, sizeof(TIFFDirEntry), "to read TIFF directory"); |
5973 | 1.54k | if (dir == 0) |
5974 | 0 | { |
5975 | 0 | _TIFFfreeExt(tif, origdir); |
5976 | 0 | return 0; |
5977 | 0 | } |
5978 | 1.54k | ma = (uint8_t *)origdir; |
5979 | 1.54k | mb = dir; |
5980 | 409k | for (n = 0; n < dircount16; n++) |
5981 | 408k | { |
5982 | 408k | mb->tdir_ignore = FALSE; |
5983 | 408k | if (tif->tif_flags & TIFF_SWAB) |
5984 | 21.9k | TIFFSwabShort((uint16_t *)ma); |
5985 | 408k | mb->tdir_tag = *(uint16_t *)ma; |
5986 | 408k | ma += sizeof(uint16_t); |
5987 | 408k | if (tif->tif_flags & TIFF_SWAB) |
5988 | 21.9k | TIFFSwabShort((uint16_t *)ma); |
5989 | 408k | mb->tdir_type = *(uint16_t *)ma; |
5990 | 408k | ma += sizeof(uint16_t); |
5991 | 408k | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
5992 | 401k | { |
5993 | 401k | if (tif->tif_flags & TIFF_SWAB) |
5994 | 21.0k | TIFFSwabLong((uint32_t *)ma); |
5995 | 401k | mb->tdir_count = (uint64_t)(*(uint32_t *)ma); |
5996 | 401k | ma += sizeof(uint32_t); |
5997 | 401k | mb->tdir_offset.toff_long8 = 0; |
5998 | 401k | *(uint32_t *)(&mb->tdir_offset) = *(uint32_t *)ma; |
5999 | 401k | ma += sizeof(uint32_t); |
6000 | 401k | } |
6001 | 6.34k | else |
6002 | 6.34k | { |
6003 | 6.34k | if (tif->tif_flags & TIFF_SWAB) |
6004 | 888 | TIFFSwabLong8((uint64_t *)ma); |
6005 | 6.34k | mb->tdir_count = TIFFReadUInt64(ma); |
6006 | 6.34k | ma += sizeof(uint64_t); |
6007 | 6.34k | mb->tdir_offset.toff_long8 = TIFFReadUInt64(ma); |
6008 | 6.34k | ma += sizeof(uint64_t); |
6009 | 6.34k | } |
6010 | 408k | mb++; |
6011 | 408k | } |
6012 | 1.54k | _TIFFfreeExt(tif, origdir); |
6013 | 1.54k | *pdir = dir; |
6014 | 1.54k | return dircount16; |
6015 | 1.54k | } |
6016 | | |
6017 | | /* |
6018 | | * Fetch a tag that is not handled by special case code. |
6019 | | */ |
6020 | | static int TIFFFetchNormalTag(TIFF *tif, TIFFDirEntry *dp, int recover) |
6021 | 151k | { |
6022 | 151k | static const char module[] = "TIFFFetchNormalTag"; |
6023 | 151k | enum TIFFReadDirEntryErr err; |
6024 | 151k | uint32_t fii; |
6025 | 151k | const TIFFField *fip = NULL; |
6026 | 151k | TIFFReadDirectoryFindFieldInfo(tif, dp->tdir_tag, &fii); |
6027 | 151k | if (fii == FAILED_FII) |
6028 | 0 | { |
6029 | 0 | TIFFErrorExtR(tif, "TIFFFetchNormalTag", |
6030 | 0 | "No definition found for tag %" PRIu16, dp->tdir_tag); |
6031 | 0 | return 0; |
6032 | 0 | } |
6033 | 151k | fip = tif->tif_fields[fii]; |
6034 | 151k | assert(fip != NULL); /* should not happen */ |
6035 | 151k | assert(fip->set_field_type != |
6036 | 151k | TIFF_SETGET_OTHER); /* if so, we shouldn't arrive here but deal with |
6037 | | this in specialized code */ |
6038 | 151k | assert(fip->set_field_type != |
6039 | 151k | TIFF_SETGET_INT); /* if so, we shouldn't arrive here as this is only |
6040 | | the case for pseudo-tags */ |
6041 | 151k | err = TIFFReadDirEntryErrOk; |
6042 | 151k | switch (fip->set_field_type) |
6043 | 151k | { |
6044 | 117k | case TIFF_SETGET_UNDEFINED: |
6045 | 117k | TIFFErrorExtR( |
6046 | 117k | tif, "TIFFFetchNormalTag", |
6047 | 117k | "Defined set_field_type of custom tag %u (%s) is " |
6048 | 117k | "TIFF_SETGET_UNDEFINED and thus tag is not read from file", |
6049 | 117k | fip->field_tag, fip->field_name); |
6050 | 117k | break; |
6051 | 850 | case TIFF_SETGET_ASCII: |
6052 | 850 | { |
6053 | 850 | uint8_t *data; |
6054 | 850 | assert(fip->field_passcount == 0); |
6055 | 850 | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6056 | 850 | if (err == TIFFReadDirEntryErrOk) |
6057 | 419 | { |
6058 | 419 | size_t mb = 0; |
6059 | 419 | int n; |
6060 | 419 | if (data != NULL) |
6061 | 419 | { |
6062 | 419 | if (dp->tdir_count > 0 && data[dp->tdir_count - 1] == 0) |
6063 | 155 | { |
6064 | | /* optimization: if data is known to be 0 terminated, we |
6065 | | * can use strlen() */ |
6066 | 155 | mb = strlen((const char *)data); |
6067 | 155 | } |
6068 | 264 | else |
6069 | 264 | { |
6070 | | /* general case. equivalent to non-portable */ |
6071 | | /* mb = strnlen((const char*)data, |
6072 | | * (uint32_t)dp->tdir_count); */ |
6073 | 264 | uint8_t *ma = data; |
6074 | 2.22k | while (mb < (uint32_t)dp->tdir_count) |
6075 | 2.09k | { |
6076 | 2.09k | if (*ma == 0) |
6077 | 138 | break; |
6078 | 1.95k | ma++; |
6079 | 1.95k | mb++; |
6080 | 1.95k | } |
6081 | 264 | } |
6082 | 419 | } |
6083 | 419 | if (mb + 1 < (uint32_t)dp->tdir_count) |
6084 | 221 | TIFFWarningExtR( |
6085 | 221 | tif, module, |
6086 | 221 | "ASCII value for tag \"%s\" contains null byte in " |
6087 | 221 | "value; value incorrectly truncated during reading due " |
6088 | 221 | "to implementation limitations", |
6089 | 221 | fip->field_name); |
6090 | 198 | else if (mb + 1 > (uint32_t)dp->tdir_count) |
6091 | 126 | { |
6092 | 126 | uint8_t *o; |
6093 | 126 | TIFFWarningExtR( |
6094 | 126 | tif, module, |
6095 | 126 | "ASCII value for tag \"%s\" does not end in null byte", |
6096 | 126 | fip->field_name); |
6097 | | /* TIFFReadDirEntryArrayWithLimit() ensures this can't be |
6098 | | * larger than MAX_SIZE_TAG_DATA */ |
6099 | 126 | assert((uint32_t)dp->tdir_count + 1 == dp->tdir_count + 1); |
6100 | 126 | o = _TIFFmallocExt(tif, (uint32_t)dp->tdir_count + 1); |
6101 | 126 | if (o == NULL) |
6102 | 0 | { |
6103 | 0 | if (data != NULL) |
6104 | 0 | _TIFFfreeExt(tif, data); |
6105 | 0 | return (0); |
6106 | 0 | } |
6107 | 126 | if (dp->tdir_count > 0) |
6108 | 126 | { |
6109 | 126 | _TIFFmemcpy(o, data, (uint32_t)dp->tdir_count); |
6110 | 126 | } |
6111 | 126 | o[(uint32_t)dp->tdir_count] = 0; |
6112 | 126 | if (data != 0) |
6113 | 126 | _TIFFfreeExt(tif, data); |
6114 | 126 | data = o; |
6115 | 126 | } |
6116 | 419 | n = TIFFSetField(tif, dp->tdir_tag, data); |
6117 | 419 | if (data != 0) |
6118 | 419 | _TIFFfreeExt(tif, data); |
6119 | 419 | if (!n) |
6120 | 0 | return (0); |
6121 | 419 | } |
6122 | 850 | } |
6123 | 850 | break; |
6124 | 850 | case TIFF_SETGET_UINT8: |
6125 | 7 | { |
6126 | 7 | uint8_t data = 0; |
6127 | 7 | assert(fip->field_readcount == 1); |
6128 | 7 | assert(fip->field_passcount == 0); |
6129 | 7 | err = TIFFReadDirEntryByte(tif, dp, &data); |
6130 | 7 | if (err == TIFFReadDirEntryErrOk) |
6131 | 0 | { |
6132 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6133 | 0 | return (0); |
6134 | 0 | } |
6135 | 7 | } |
6136 | 7 | break; |
6137 | 7 | case TIFF_SETGET_SINT8: |
6138 | 0 | { |
6139 | 0 | int8_t data = 0; |
6140 | 0 | assert(fip->field_readcount == 1); |
6141 | 0 | assert(fip->field_passcount == 0); |
6142 | 0 | err = TIFFReadDirEntrySbyte(tif, dp, &data); |
6143 | 0 | if (err == TIFFReadDirEntryErrOk) |
6144 | 0 | { |
6145 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6146 | 0 | return (0); |
6147 | 0 | } |
6148 | 0 | } |
6149 | 0 | break; |
6150 | 4.70k | case TIFF_SETGET_UINT16: |
6151 | 4.70k | { |
6152 | 4.70k | uint16_t data; |
6153 | 4.70k | assert(fip->field_readcount == 1); |
6154 | 4.70k | assert(fip->field_passcount == 0); |
6155 | 4.70k | err = TIFFReadDirEntryShort(tif, dp, &data); |
6156 | 4.70k | if (err == TIFFReadDirEntryErrOk) |
6157 | 4.15k | { |
6158 | 4.15k | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6159 | 66 | return (0); |
6160 | 4.15k | } |
6161 | 4.70k | } |
6162 | 4.63k | break; |
6163 | 4.63k | case TIFF_SETGET_SINT16: |
6164 | 0 | { |
6165 | 0 | int16_t data; |
6166 | 0 | assert(fip->field_readcount == 1); |
6167 | 0 | assert(fip->field_passcount == 0); |
6168 | 0 | err = TIFFReadDirEntrySshort(tif, dp, &data); |
6169 | 0 | if (err == TIFFReadDirEntryErrOk) |
6170 | 0 | { |
6171 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6172 | 0 | return (0); |
6173 | 0 | } |
6174 | 0 | } |
6175 | 0 | break; |
6176 | 5.20k | case TIFF_SETGET_UINT32: |
6177 | 5.20k | { |
6178 | 5.20k | uint32_t data; |
6179 | 5.20k | assert(fip->field_readcount == 1); |
6180 | 5.20k | assert(fip->field_passcount == 0); |
6181 | 5.20k | err = TIFFReadDirEntryLong(tif, dp, &data); |
6182 | 5.20k | if (err == TIFFReadDirEntryErrOk) |
6183 | 4.86k | { |
6184 | 4.86k | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6185 | 0 | return (0); |
6186 | 4.86k | } |
6187 | 5.20k | } |
6188 | 5.20k | break; |
6189 | 5.20k | case TIFF_SETGET_SINT32: |
6190 | 0 | { |
6191 | 0 | int32_t data; |
6192 | 0 | assert(fip->field_readcount == 1); |
6193 | 0 | assert(fip->field_passcount == 0); |
6194 | 0 | err = TIFFReadDirEntrySlong(tif, dp, &data); |
6195 | 0 | if (err == TIFFReadDirEntryErrOk) |
6196 | 0 | { |
6197 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6198 | 0 | return (0); |
6199 | 0 | } |
6200 | 0 | } |
6201 | 0 | break; |
6202 | 0 | case TIFF_SETGET_UINT64: |
6203 | 0 | { |
6204 | 0 | uint64_t data; |
6205 | 0 | assert(fip->field_readcount == 1); |
6206 | 0 | assert(fip->field_passcount == 0); |
6207 | 0 | err = TIFFReadDirEntryLong8(tif, dp, &data); |
6208 | 0 | if (err == TIFFReadDirEntryErrOk) |
6209 | 0 | { |
6210 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6211 | 0 | return (0); |
6212 | 0 | } |
6213 | 0 | } |
6214 | 0 | break; |
6215 | 0 | case TIFF_SETGET_SINT64: |
6216 | 0 | { |
6217 | 0 | int64_t data; |
6218 | 0 | assert(fip->field_readcount == 1); |
6219 | 0 | assert(fip->field_passcount == 0); |
6220 | 0 | err = TIFFReadDirEntrySlong8(tif, dp, &data); |
6221 | 0 | if (err == TIFFReadDirEntryErrOk) |
6222 | 0 | { |
6223 | 0 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6224 | 0 | return (0); |
6225 | 0 | } |
6226 | 0 | } |
6227 | 0 | break; |
6228 | 612 | case TIFF_SETGET_FLOAT: |
6229 | 612 | { |
6230 | 612 | float data; |
6231 | 612 | assert(fip->field_readcount == 1); |
6232 | 612 | assert(fip->field_passcount == 0); |
6233 | 612 | err = TIFFReadDirEntryFloat(tif, dp, &data); |
6234 | 612 | if (err == TIFFReadDirEntryErrOk) |
6235 | 303 | { |
6236 | 303 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6237 | 0 | return (0); |
6238 | 303 | } |
6239 | 612 | } |
6240 | 612 | break; |
6241 | 612 | case TIFF_SETGET_DOUBLE: |
6242 | 1 | { |
6243 | 1 | double data; |
6244 | 1 | assert(fip->field_readcount == 1); |
6245 | 1 | assert(fip->field_passcount == 0); |
6246 | 1 | err = TIFFReadDirEntryDouble(tif, dp, &data); |
6247 | 1 | if (err == TIFFReadDirEntryErrOk) |
6248 | 1 | { |
6249 | 1 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6250 | 0 | return (0); |
6251 | 1 | } |
6252 | 1 | } |
6253 | 1 | break; |
6254 | 83 | case TIFF_SETGET_IFD8: |
6255 | 83 | { |
6256 | 83 | uint64_t data; |
6257 | 83 | assert(fip->field_readcount == 1); |
6258 | 83 | assert(fip->field_passcount == 0); |
6259 | 83 | err = TIFFReadDirEntryIfd8(tif, dp, &data); |
6260 | 83 | if (err == TIFFReadDirEntryErrOk) |
6261 | 54 | { |
6262 | 54 | if (!TIFFSetField(tif, dp->tdir_tag, data)) |
6263 | 0 | return (0); |
6264 | 54 | } |
6265 | 83 | } |
6266 | 83 | break; |
6267 | 479 | case TIFF_SETGET_UINT16_PAIR: |
6268 | 479 | { |
6269 | 479 | uint16_t *data; |
6270 | 479 | assert(fip->field_readcount == 2); |
6271 | 479 | assert(fip->field_passcount == 0); |
6272 | 479 | if (dp->tdir_count != 2) |
6273 | 147 | { |
6274 | 147 | TIFFWarningExtR(tif, module, |
6275 | 147 | "incorrect count for field \"%s\", expected 2, " |
6276 | 147 | "got %" PRIu64, |
6277 | 147 | fip->field_name, dp->tdir_count); |
6278 | 147 | return (0); |
6279 | 147 | } |
6280 | 332 | err = TIFFReadDirEntryShortArray(tif, dp, &data); |
6281 | 332 | if (err == TIFFReadDirEntryErrOk) |
6282 | 257 | { |
6283 | 257 | int m; |
6284 | 257 | assert(data); /* avoid CLang static Analyzer false positive */ |
6285 | 257 | m = TIFFSetField(tif, dp->tdir_tag, data[0], data[1]); |
6286 | 257 | _TIFFfreeExt(tif, data); |
6287 | 257 | if (!m) |
6288 | 0 | return (0); |
6289 | 257 | } |
6290 | 332 | } |
6291 | 332 | break; |
6292 | 332 | case TIFF_SETGET_C0_UINT8: |
6293 | 74 | { |
6294 | 74 | uint8_t *data; |
6295 | 74 | assert(fip->field_readcount >= 1); |
6296 | 74 | assert(fip->field_passcount == 0); |
6297 | 74 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6298 | 13 | { |
6299 | 13 | TIFFWarningExtR(tif, module, |
6300 | 13 | "incorrect count for field \"%s\", expected " |
6301 | 13 | "%d, got %" PRIu64, |
6302 | 13 | fip->field_name, (int)fip->field_readcount, |
6303 | 13 | dp->tdir_count); |
6304 | 13 | return (0); |
6305 | 13 | } |
6306 | 61 | else |
6307 | 61 | { |
6308 | 61 | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6309 | 61 | if (err == TIFFReadDirEntryErrOk) |
6310 | 43 | { |
6311 | 43 | int m; |
6312 | 43 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6313 | 43 | if (data != 0) |
6314 | 43 | _TIFFfreeExt(tif, data); |
6315 | 43 | if (!m) |
6316 | 0 | return (0); |
6317 | 43 | } |
6318 | 61 | } |
6319 | 74 | } |
6320 | 61 | break; |
6321 | 61 | case TIFF_SETGET_C0_SINT8: |
6322 | 0 | { |
6323 | 0 | int8_t *data; |
6324 | 0 | assert(fip->field_readcount >= 1); |
6325 | 0 | assert(fip->field_passcount == 0); |
6326 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6327 | 0 | { |
6328 | 0 | TIFFWarningExtR(tif, module, |
6329 | 0 | "incorrect count for field \"%s\", expected " |
6330 | 0 | "%d, got %" PRIu64, |
6331 | 0 | fip->field_name, (int)fip->field_readcount, |
6332 | 0 | dp->tdir_count); |
6333 | 0 | return (0); |
6334 | 0 | } |
6335 | 0 | else |
6336 | 0 | { |
6337 | 0 | err = TIFFReadDirEntrySbyteArray(tif, dp, &data); |
6338 | 0 | if (err == TIFFReadDirEntryErrOk) |
6339 | 0 | { |
6340 | 0 | int m; |
6341 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6342 | 0 | if (data != 0) |
6343 | 0 | _TIFFfreeExt(tif, data); |
6344 | 0 | if (!m) |
6345 | 0 | return (0); |
6346 | 0 | } |
6347 | 0 | } |
6348 | 0 | } |
6349 | 0 | break; |
6350 | 1 | case TIFF_SETGET_C0_UINT16: |
6351 | 1 | { |
6352 | 1 | uint16_t *data; |
6353 | 1 | assert(fip->field_readcount >= 1); |
6354 | 1 | assert(fip->field_passcount == 0); |
6355 | 1 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6356 | 1 | { |
6357 | 1 | TIFFWarningExtR(tif, module, |
6358 | 1 | "incorrect count for field \"%s\", expected " |
6359 | 1 | "%d, got %" PRIu64, |
6360 | 1 | fip->field_name, (int)fip->field_readcount, |
6361 | 1 | dp->tdir_count); |
6362 | 1 | return (0); |
6363 | 1 | } |
6364 | 0 | else |
6365 | 0 | { |
6366 | 0 | err = TIFFReadDirEntryShortArray(tif, dp, &data); |
6367 | 0 | if (err == TIFFReadDirEntryErrOk) |
6368 | 0 | { |
6369 | 0 | int m; |
6370 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6371 | 0 | if (data != 0) |
6372 | 0 | _TIFFfreeExt(tif, data); |
6373 | 0 | if (!m) |
6374 | 0 | return (0); |
6375 | 0 | } |
6376 | 0 | } |
6377 | 1 | } |
6378 | 0 | break; |
6379 | 0 | case TIFF_SETGET_C0_SINT16: |
6380 | 0 | { |
6381 | 0 | int16_t *data; |
6382 | 0 | assert(fip->field_readcount >= 1); |
6383 | 0 | assert(fip->field_passcount == 0); |
6384 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6385 | 0 | { |
6386 | 0 | TIFFWarningExtR(tif, module, |
6387 | 0 | "incorrect count for field \"%s\", expected " |
6388 | 0 | "%d, got %" PRIu64, |
6389 | 0 | fip->field_name, (int)fip->field_readcount, |
6390 | 0 | dp->tdir_count); |
6391 | 0 | return (0); |
6392 | 0 | } |
6393 | 0 | else |
6394 | 0 | { |
6395 | 0 | err = TIFFReadDirEntrySshortArray(tif, dp, &data); |
6396 | 0 | if (err == TIFFReadDirEntryErrOk) |
6397 | 0 | { |
6398 | 0 | int m; |
6399 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6400 | 0 | if (data != 0) |
6401 | 0 | _TIFFfreeExt(tif, data); |
6402 | 0 | if (!m) |
6403 | 0 | return (0); |
6404 | 0 | } |
6405 | 0 | } |
6406 | 0 | } |
6407 | 0 | break; |
6408 | 14 | case TIFF_SETGET_C0_UINT32: |
6409 | 14 | { |
6410 | 14 | uint32_t *data; |
6411 | 14 | assert(fip->field_readcount >= 1); |
6412 | 14 | assert(fip->field_passcount == 0); |
6413 | 14 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6414 | 9 | { |
6415 | 9 | TIFFWarningExtR(tif, module, |
6416 | 9 | "incorrect count for field \"%s\", expected " |
6417 | 9 | "%d, got %" PRIu64, |
6418 | 9 | fip->field_name, (int)fip->field_readcount, |
6419 | 9 | dp->tdir_count); |
6420 | 9 | return (0); |
6421 | 9 | } |
6422 | 5 | else |
6423 | 5 | { |
6424 | 5 | err = TIFFReadDirEntryLongArray(tif, dp, &data); |
6425 | 5 | if (err == TIFFReadDirEntryErrOk) |
6426 | 2 | { |
6427 | 2 | int m; |
6428 | 2 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6429 | 2 | if (data != 0) |
6430 | 2 | _TIFFfreeExt(tif, data); |
6431 | 2 | if (!m) |
6432 | 0 | return (0); |
6433 | 2 | } |
6434 | 5 | } |
6435 | 14 | } |
6436 | 5 | break; |
6437 | 5 | case TIFF_SETGET_C0_SINT32: |
6438 | 0 | { |
6439 | 0 | int32_t *data; |
6440 | 0 | assert(fip->field_readcount >= 1); |
6441 | 0 | assert(fip->field_passcount == 0); |
6442 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6443 | 0 | { |
6444 | 0 | TIFFWarningExtR(tif, module, |
6445 | 0 | "incorrect count for field \"%s\", expected " |
6446 | 0 | "%d, got %" PRIu64, |
6447 | 0 | fip->field_name, (int)fip->field_readcount, |
6448 | 0 | dp->tdir_count); |
6449 | 0 | return (0); |
6450 | 0 | } |
6451 | 0 | else |
6452 | 0 | { |
6453 | 0 | err = TIFFReadDirEntrySlongArray(tif, dp, &data); |
6454 | 0 | if (err == TIFFReadDirEntryErrOk) |
6455 | 0 | { |
6456 | 0 | int m; |
6457 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6458 | 0 | if (data != 0) |
6459 | 0 | _TIFFfreeExt(tif, data); |
6460 | 0 | if (!m) |
6461 | 0 | return (0); |
6462 | 0 | } |
6463 | 0 | } |
6464 | 0 | } |
6465 | 0 | break; |
6466 | 0 | case TIFF_SETGET_C0_UINT64: |
6467 | 0 | { |
6468 | 0 | uint64_t *data; |
6469 | 0 | assert(fip->field_readcount >= 1); |
6470 | 0 | assert(fip->field_passcount == 0); |
6471 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6472 | 0 | { |
6473 | 0 | TIFFWarningExtR(tif, module, |
6474 | 0 | "incorrect count for field \"%s\", expected " |
6475 | 0 | "%d, got %" PRIu64, |
6476 | 0 | fip->field_name, (int)fip->field_readcount, |
6477 | 0 | dp->tdir_count); |
6478 | 0 | return (0); |
6479 | 0 | } |
6480 | 0 | else |
6481 | 0 | { |
6482 | 0 | err = TIFFReadDirEntryLong8Array(tif, dp, &data); |
6483 | 0 | if (err == TIFFReadDirEntryErrOk) |
6484 | 0 | { |
6485 | 0 | int m; |
6486 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6487 | 0 | if (data != 0) |
6488 | 0 | _TIFFfreeExt(tif, data); |
6489 | 0 | if (!m) |
6490 | 0 | return (0); |
6491 | 0 | } |
6492 | 0 | } |
6493 | 0 | } |
6494 | 0 | break; |
6495 | 0 | case TIFF_SETGET_C0_SINT64: |
6496 | 0 | { |
6497 | 0 | int64_t *data; |
6498 | 0 | assert(fip->field_readcount >= 1); |
6499 | 0 | assert(fip->field_passcount == 0); |
6500 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6501 | 0 | { |
6502 | 0 | TIFFWarningExtR(tif, module, |
6503 | 0 | "incorrect count for field \"%s\", expected " |
6504 | 0 | "%d, got %" PRIu64, |
6505 | 0 | fip->field_name, (int)fip->field_readcount, |
6506 | 0 | dp->tdir_count); |
6507 | 0 | return (0); |
6508 | 0 | } |
6509 | 0 | else |
6510 | 0 | { |
6511 | 0 | err = TIFFReadDirEntrySlong8Array(tif, dp, &data); |
6512 | 0 | if (err == TIFFReadDirEntryErrOk) |
6513 | 0 | { |
6514 | 0 | int m; |
6515 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6516 | 0 | if (data != 0) |
6517 | 0 | _TIFFfreeExt(tif, data); |
6518 | 0 | if (!m) |
6519 | 0 | return (0); |
6520 | 0 | } |
6521 | 0 | } |
6522 | 0 | } |
6523 | 0 | break; |
6524 | 599 | case TIFF_SETGET_C0_FLOAT: |
6525 | 599 | { |
6526 | 599 | float *data; |
6527 | 599 | assert(fip->field_readcount >= 1); |
6528 | 599 | assert(fip->field_passcount == 0); |
6529 | 599 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6530 | 229 | { |
6531 | 229 | TIFFWarningExtR(tif, module, |
6532 | 229 | "incorrect count for field \"%s\", expected " |
6533 | 229 | "%d, got %" PRIu64, |
6534 | 229 | fip->field_name, (int)fip->field_readcount, |
6535 | 229 | dp->tdir_count); |
6536 | 229 | return (0); |
6537 | 229 | } |
6538 | 370 | else |
6539 | 370 | { |
6540 | 370 | err = TIFFReadDirEntryFloatArray(tif, dp, &data); |
6541 | 370 | if (err == TIFFReadDirEntryErrOk) |
6542 | 311 | { |
6543 | 311 | int m; |
6544 | 311 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6545 | 311 | if (data != 0) |
6546 | 311 | _TIFFfreeExt(tif, data); |
6547 | 311 | if (!m) |
6548 | 0 | return (0); |
6549 | 311 | } |
6550 | 370 | } |
6551 | 599 | } |
6552 | 370 | break; |
6553 | | /*--: Rational2Double: Extend for Double Arrays and Rational-Arrays read |
6554 | | * into Double-Arrays. */ |
6555 | 370 | case TIFF_SETGET_C0_DOUBLE: |
6556 | 0 | { |
6557 | 0 | double *data; |
6558 | 0 | assert(fip->field_readcount >= 1); |
6559 | 0 | assert(fip->field_passcount == 0); |
6560 | 0 | if (dp->tdir_count != (uint64_t)fip->field_readcount) |
6561 | 0 | { |
6562 | 0 | TIFFWarningExtR(tif, module, |
6563 | 0 | "incorrect count for field \"%s\", expected " |
6564 | 0 | "%d, got %" PRIu64, |
6565 | 0 | fip->field_name, (int)fip->field_readcount, |
6566 | 0 | dp->tdir_count); |
6567 | 0 | return (0); |
6568 | 0 | } |
6569 | 0 | else |
6570 | 0 | { |
6571 | 0 | err = TIFFReadDirEntryDoubleArray(tif, dp, &data); |
6572 | 0 | if (err == TIFFReadDirEntryErrOk) |
6573 | 0 | { |
6574 | 0 | int m; |
6575 | 0 | m = TIFFSetField(tif, dp->tdir_tag, data); |
6576 | 0 | if (data != 0) |
6577 | 0 | _TIFFfreeExt(tif, data); |
6578 | 0 | if (!m) |
6579 | 0 | return (0); |
6580 | 0 | } |
6581 | 0 | } |
6582 | 0 | } |
6583 | 0 | break; |
6584 | 130 | case TIFF_SETGET_C16_ASCII: |
6585 | 130 | { |
6586 | 130 | uint8_t *data; |
6587 | 130 | assert(fip->field_readcount == TIFF_VARIABLE); |
6588 | 130 | assert(fip->field_passcount == 1); |
6589 | 130 | if (dp->tdir_count > 0xFFFF) |
6590 | 102 | err = TIFFReadDirEntryErrCount; |
6591 | 28 | else |
6592 | 28 | { |
6593 | 28 | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6594 | 28 | if (err == TIFFReadDirEntryErrOk) |
6595 | 18 | { |
6596 | 18 | int m; |
6597 | 18 | if (data != 0 && dp->tdir_count > 0 && |
6598 | 18 | data[dp->tdir_count - 1] != '\0') |
6599 | 18 | { |
6600 | 18 | TIFFWarningExtR( |
6601 | 18 | tif, module, |
6602 | 18 | "ASCII value for tag \"%s\" does not end in null " |
6603 | 18 | "byte. Forcing it to be null", |
6604 | 18 | fip->field_name); |
6605 | 18 | data[dp->tdir_count - 1] = '\0'; |
6606 | 18 | } |
6607 | 18 | m = TIFFSetField(tif, dp->tdir_tag, |
6608 | 18 | (uint16_t)(dp->tdir_count), data); |
6609 | 18 | if (data != 0) |
6610 | 18 | _TIFFfreeExt(tif, data); |
6611 | 18 | if (!m) |
6612 | 0 | return (0); |
6613 | 18 | } |
6614 | 28 | } |
6615 | 130 | } |
6616 | 130 | break; |
6617 | 130 | case TIFF_SETGET_C16_UINT8: |
6618 | 24 | { |
6619 | 24 | uint8_t *data; |
6620 | 24 | assert(fip->field_readcount == TIFF_VARIABLE); |
6621 | 24 | assert(fip->field_passcount == 1); |
6622 | 24 | if (dp->tdir_count > 0xFFFF) |
6623 | 6 | err = TIFFReadDirEntryErrCount; |
6624 | 18 | else |
6625 | 18 | { |
6626 | 18 | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6627 | 18 | if (err == TIFFReadDirEntryErrOk) |
6628 | 13 | { |
6629 | 13 | int m; |
6630 | 13 | m = TIFFSetField(tif, dp->tdir_tag, |
6631 | 13 | (uint16_t)(dp->tdir_count), data); |
6632 | 13 | if (data != 0) |
6633 | 4 | _TIFFfreeExt(tif, data); |
6634 | 13 | if (!m) |
6635 | 9 | return (0); |
6636 | 13 | } |
6637 | 18 | } |
6638 | 24 | } |
6639 | 15 | break; |
6640 | 15 | case TIFF_SETGET_C16_SINT8: |
6641 | 0 | { |
6642 | 0 | int8_t *data; |
6643 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6644 | 0 | assert(fip->field_passcount == 1); |
6645 | 0 | if (dp->tdir_count > 0xFFFF) |
6646 | 0 | err = TIFFReadDirEntryErrCount; |
6647 | 0 | else |
6648 | 0 | { |
6649 | 0 | err = TIFFReadDirEntrySbyteArray(tif, dp, &data); |
6650 | 0 | if (err == TIFFReadDirEntryErrOk) |
6651 | 0 | { |
6652 | 0 | int m; |
6653 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6654 | 0 | (uint16_t)(dp->tdir_count), data); |
6655 | 0 | if (data != 0) |
6656 | 0 | _TIFFfreeExt(tif, data); |
6657 | 0 | if (!m) |
6658 | 0 | return (0); |
6659 | 0 | } |
6660 | 0 | } |
6661 | 0 | } |
6662 | 0 | break; |
6663 | 255 | case TIFF_SETGET_C16_UINT16: |
6664 | 255 | { |
6665 | 255 | uint16_t *data; |
6666 | 255 | assert(fip->field_readcount == TIFF_VARIABLE); |
6667 | 255 | assert(fip->field_passcount == 1); |
6668 | 255 | if (dp->tdir_count > 0xFFFF) |
6669 | 14 | err = TIFFReadDirEntryErrCount; |
6670 | 241 | else |
6671 | 241 | { |
6672 | 241 | err = TIFFReadDirEntryShortArray(tif, dp, &data); |
6673 | 241 | if (err == TIFFReadDirEntryErrOk) |
6674 | 227 | { |
6675 | 227 | int m; |
6676 | 227 | m = TIFFSetField(tif, dp->tdir_tag, |
6677 | 227 | (uint16_t)(dp->tdir_count), data); |
6678 | 227 | if (data != 0) |
6679 | 221 | _TIFFfreeExt(tif, data); |
6680 | 227 | if (!m) |
6681 | 4 | return (0); |
6682 | 227 | } |
6683 | 241 | } |
6684 | 255 | } |
6685 | 251 | break; |
6686 | 251 | case TIFF_SETGET_C16_SINT16: |
6687 | 0 | { |
6688 | 0 | int16_t *data; |
6689 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6690 | 0 | assert(fip->field_passcount == 1); |
6691 | 0 | if (dp->tdir_count > 0xFFFF) |
6692 | 0 | err = TIFFReadDirEntryErrCount; |
6693 | 0 | else |
6694 | 0 | { |
6695 | 0 | err = TIFFReadDirEntrySshortArray(tif, dp, &data); |
6696 | 0 | if (err == TIFFReadDirEntryErrOk) |
6697 | 0 | { |
6698 | 0 | int m; |
6699 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6700 | 0 | (uint16_t)(dp->tdir_count), data); |
6701 | 0 | if (data != 0) |
6702 | 0 | _TIFFfreeExt(tif, data); |
6703 | 0 | if (!m) |
6704 | 0 | return (0); |
6705 | 0 | } |
6706 | 0 | } |
6707 | 0 | } |
6708 | 0 | break; |
6709 | 31 | case TIFF_SETGET_C16_UINT32: |
6710 | 31 | { |
6711 | 31 | uint32_t *data; |
6712 | 31 | assert(fip->field_readcount == TIFF_VARIABLE); |
6713 | 31 | assert(fip->field_passcount == 1); |
6714 | 31 | if (dp->tdir_count > 0xFFFF) |
6715 | 9 | err = TIFFReadDirEntryErrCount; |
6716 | 22 | else |
6717 | 22 | { |
6718 | 22 | err = TIFFReadDirEntryLongArray(tif, dp, &data); |
6719 | 22 | if (err == TIFFReadDirEntryErrOk) |
6720 | 3 | { |
6721 | 3 | int m; |
6722 | 3 | m = TIFFSetField(tif, dp->tdir_tag, |
6723 | 3 | (uint16_t)(dp->tdir_count), data); |
6724 | 3 | if (data != 0) |
6725 | 3 | _TIFFfreeExt(tif, data); |
6726 | 3 | if (!m) |
6727 | 0 | return (0); |
6728 | 3 | } |
6729 | 22 | } |
6730 | 31 | } |
6731 | 31 | break; |
6732 | 31 | case TIFF_SETGET_C16_SINT32: |
6733 | 0 | { |
6734 | 0 | int32_t *data; |
6735 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6736 | 0 | assert(fip->field_passcount == 1); |
6737 | 0 | if (dp->tdir_count > 0xFFFF) |
6738 | 0 | err = TIFFReadDirEntryErrCount; |
6739 | 0 | else |
6740 | 0 | { |
6741 | 0 | err = TIFFReadDirEntrySlongArray(tif, dp, &data); |
6742 | 0 | if (err == TIFFReadDirEntryErrOk) |
6743 | 0 | { |
6744 | 0 | int m; |
6745 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6746 | 0 | (uint16_t)(dp->tdir_count), data); |
6747 | 0 | if (data != 0) |
6748 | 0 | _TIFFfreeExt(tif, data); |
6749 | 0 | if (!m) |
6750 | 0 | return (0); |
6751 | 0 | } |
6752 | 0 | } |
6753 | 0 | } |
6754 | 0 | break; |
6755 | 0 | case TIFF_SETGET_C16_UINT64: |
6756 | 0 | { |
6757 | 0 | uint64_t *data; |
6758 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6759 | 0 | assert(fip->field_passcount == 1); |
6760 | 0 | if (dp->tdir_count > 0xFFFF) |
6761 | 0 | err = TIFFReadDirEntryErrCount; |
6762 | 0 | else |
6763 | 0 | { |
6764 | 0 | err = TIFFReadDirEntryLong8Array(tif, dp, &data); |
6765 | 0 | if (err == TIFFReadDirEntryErrOk) |
6766 | 0 | { |
6767 | 0 | int m; |
6768 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6769 | 0 | (uint16_t)(dp->tdir_count), data); |
6770 | 0 | if (data != 0) |
6771 | 0 | _TIFFfreeExt(tif, data); |
6772 | 0 | if (!m) |
6773 | 0 | return (0); |
6774 | 0 | } |
6775 | 0 | } |
6776 | 0 | } |
6777 | 0 | break; |
6778 | 0 | case TIFF_SETGET_C16_SINT64: |
6779 | 0 | { |
6780 | 0 | int64_t *data; |
6781 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6782 | 0 | assert(fip->field_passcount == 1); |
6783 | 0 | if (dp->tdir_count > 0xFFFF) |
6784 | 0 | err = TIFFReadDirEntryErrCount; |
6785 | 0 | else |
6786 | 0 | { |
6787 | 0 | err = TIFFReadDirEntrySlong8Array(tif, dp, &data); |
6788 | 0 | if (err == TIFFReadDirEntryErrOk) |
6789 | 0 | { |
6790 | 0 | int m; |
6791 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6792 | 0 | (uint16_t)(dp->tdir_count), data); |
6793 | 0 | if (data != 0) |
6794 | 0 | _TIFFfreeExt(tif, data); |
6795 | 0 | if (!m) |
6796 | 0 | return (0); |
6797 | 0 | } |
6798 | 0 | } |
6799 | 0 | } |
6800 | 0 | break; |
6801 | 219 | case TIFF_SETGET_C16_FLOAT: |
6802 | 219 | { |
6803 | 219 | float *data; |
6804 | 219 | assert(fip->field_readcount == TIFF_VARIABLE); |
6805 | 219 | assert(fip->field_passcount == 1); |
6806 | 219 | if (dp->tdir_count > 0xFFFF) |
6807 | 53 | err = TIFFReadDirEntryErrCount; |
6808 | 166 | else |
6809 | 166 | { |
6810 | 166 | err = TIFFReadDirEntryFloatArray(tif, dp, &data); |
6811 | 166 | if (err == TIFFReadDirEntryErrOk) |
6812 | 138 | { |
6813 | 138 | int m; |
6814 | 138 | m = TIFFSetField(tif, dp->tdir_tag, |
6815 | 138 | (uint16_t)(dp->tdir_count), data); |
6816 | 138 | if (data != 0) |
6817 | 125 | _TIFFfreeExt(tif, data); |
6818 | 138 | if (!m) |
6819 | 13 | return (0); |
6820 | 138 | } |
6821 | 166 | } |
6822 | 219 | } |
6823 | 206 | break; |
6824 | 206 | case TIFF_SETGET_C16_DOUBLE: |
6825 | 0 | { |
6826 | 0 | double *data; |
6827 | 0 | assert(fip->field_readcount == TIFF_VARIABLE); |
6828 | 0 | assert(fip->field_passcount == 1); |
6829 | 0 | if (dp->tdir_count > 0xFFFF) |
6830 | 0 | err = TIFFReadDirEntryErrCount; |
6831 | 0 | else |
6832 | 0 | { |
6833 | 0 | err = TIFFReadDirEntryDoubleArray(tif, dp, &data); |
6834 | 0 | if (err == TIFFReadDirEntryErrOk) |
6835 | 0 | { |
6836 | 0 | int m; |
6837 | 0 | m = TIFFSetField(tif, dp->tdir_tag, |
6838 | 0 | (uint16_t)(dp->tdir_count), data); |
6839 | 0 | if (data != 0) |
6840 | 0 | _TIFFfreeExt(tif, data); |
6841 | 0 | if (!m) |
6842 | 0 | return (0); |
6843 | 0 | } |
6844 | 0 | } |
6845 | 0 | } |
6846 | 0 | break; |
6847 | 16 | case TIFF_SETGET_C16_IFD8: |
6848 | 16 | { |
6849 | 16 | uint64_t *data; |
6850 | 16 | assert(fip->field_readcount == TIFF_VARIABLE); |
6851 | 16 | assert(fip->field_passcount == 1); |
6852 | 16 | if (dp->tdir_count > 0xFFFF) |
6853 | 12 | err = TIFFReadDirEntryErrCount; |
6854 | 4 | else |
6855 | 4 | { |
6856 | 4 | err = TIFFReadDirEntryIfd8Array(tif, dp, &data); |
6857 | 4 | if (err == TIFFReadDirEntryErrOk) |
6858 | 2 | { |
6859 | 2 | int m; |
6860 | 2 | m = TIFFSetField(tif, dp->tdir_tag, |
6861 | 2 | (uint16_t)(dp->tdir_count), data); |
6862 | 2 | if (data != 0) |
6863 | 2 | _TIFFfreeExt(tif, data); |
6864 | 2 | if (!m) |
6865 | 0 | return (0); |
6866 | 2 | } |
6867 | 4 | } |
6868 | 16 | } |
6869 | 16 | break; |
6870 | 4.06k | case TIFF_SETGET_C32_ASCII: |
6871 | 4.06k | { |
6872 | 4.06k | uint8_t *data; |
6873 | 4.06k | assert(fip->field_readcount == TIFF_VARIABLE2); |
6874 | 4.06k | assert(fip->field_passcount == 1); |
6875 | 4.06k | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6876 | 4.06k | if (err == TIFFReadDirEntryErrOk) |
6877 | 1.31k | { |
6878 | 1.31k | int m; |
6879 | 1.31k | if (data != 0 && dp->tdir_count > 0 && |
6880 | 1.31k | data[dp->tdir_count - 1] != '\0') |
6881 | 607 | { |
6882 | 607 | TIFFWarningExtR(tif, module, |
6883 | 607 | "ASCII value for tag \"%s\" does not end " |
6884 | 607 | "in null byte. Forcing it to be null", |
6885 | 607 | fip->field_name); |
6886 | 607 | data[dp->tdir_count - 1] = '\0'; |
6887 | 607 | } |
6888 | 1.31k | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
6889 | 1.31k | data); |
6890 | 1.31k | if (data != 0) |
6891 | 1.21k | _TIFFfreeExt(tif, data); |
6892 | 1.31k | if (!m) |
6893 | 0 | return (0); |
6894 | 1.31k | } |
6895 | 4.06k | } |
6896 | 4.06k | break; |
6897 | 4.06k | case TIFF_SETGET_C32_UINT8: |
6898 | 3.88k | { |
6899 | 3.88k | uint8_t *data; |
6900 | 3.88k | uint32_t count = 0; |
6901 | 3.88k | assert(fip->field_readcount == TIFF_VARIABLE2); |
6902 | 3.88k | assert(fip->field_passcount == 1); |
6903 | 3.88k | if (fip->field_tag == TIFFTAG_RICHTIFFIPTC && |
6904 | 3.88k | dp->tdir_type == TIFF_LONG) |
6905 | 3 | { |
6906 | | /* Adobe's software (wrongly) writes RichTIFFIPTC tag with |
6907 | | * data type LONG instead of UNDEFINED. Work around this |
6908 | | * frequently found issue */ |
6909 | 3 | void *origdata; |
6910 | 3 | err = TIFFReadDirEntryArray(tif, dp, &count, 4, &origdata); |
6911 | 3 | if ((err != TIFFReadDirEntryErrOk) || (origdata == 0)) |
6912 | 1 | { |
6913 | 1 | data = NULL; |
6914 | 1 | } |
6915 | 2 | else |
6916 | 2 | { |
6917 | 2 | if (tif->tif_flags & TIFF_SWAB) |
6918 | 0 | TIFFSwabArrayOfLong((uint32_t *)origdata, count); |
6919 | 2 | data = (uint8_t *)origdata; |
6920 | 2 | count = (uint32_t)(count * 4); |
6921 | 2 | } |
6922 | 3 | } |
6923 | 3.88k | else |
6924 | 3.88k | { |
6925 | 3.88k | err = TIFFReadDirEntryByteArray(tif, dp, &data); |
6926 | 3.88k | count = (uint32_t)(dp->tdir_count); |
6927 | 3.88k | } |
6928 | 3.88k | if (err == TIFFReadDirEntryErrOk) |
6929 | 740 | { |
6930 | 740 | int m; |
6931 | 740 | m = TIFFSetField(tif, dp->tdir_tag, count, data); |
6932 | 740 | if (data != 0) |
6933 | 465 | _TIFFfreeExt(tif, data); |
6934 | 740 | if (!m) |
6935 | 275 | return (0); |
6936 | 740 | } |
6937 | 3.88k | } |
6938 | 3.60k | break; |
6939 | 3.60k | case TIFF_SETGET_C32_SINT8: |
6940 | 361 | { |
6941 | 361 | int8_t *data = NULL; |
6942 | 361 | assert(fip->field_readcount == TIFF_VARIABLE2); |
6943 | 361 | assert(fip->field_passcount == 1); |
6944 | 361 | err = TIFFReadDirEntrySbyteArray(tif, dp, &data); |
6945 | 361 | if (err == TIFFReadDirEntryErrOk) |
6946 | 75 | { |
6947 | 75 | int m; |
6948 | 75 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
6949 | 75 | data); |
6950 | 75 | if (data != 0) |
6951 | 51 | _TIFFfreeExt(tif, data); |
6952 | 75 | if (!m) |
6953 | 24 | return (0); |
6954 | 75 | } |
6955 | 361 | } |
6956 | 337 | break; |
6957 | 5.93k | case TIFF_SETGET_C32_UINT16: |
6958 | 5.93k | { |
6959 | 5.93k | uint16_t *data; |
6960 | 5.93k | assert(fip->field_readcount == TIFF_VARIABLE2); |
6961 | 5.93k | assert(fip->field_passcount == 1); |
6962 | 5.93k | err = TIFFReadDirEntryShortArray(tif, dp, &data); |
6963 | 5.93k | if (err == TIFFReadDirEntryErrOk) |
6964 | 2.15k | { |
6965 | 2.15k | int m; |
6966 | 2.15k | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
6967 | 2.15k | data); |
6968 | 2.15k | if (data != 0) |
6969 | 2.11k | _TIFFfreeExt(tif, data); |
6970 | 2.15k | if (!m) |
6971 | 39 | return (0); |
6972 | 2.15k | } |
6973 | 5.93k | } |
6974 | 5.90k | break; |
6975 | 5.90k | case TIFF_SETGET_C32_SINT16: |
6976 | 907 | { |
6977 | 907 | int16_t *data = NULL; |
6978 | 907 | assert(fip->field_readcount == TIFF_VARIABLE2); |
6979 | 907 | assert(fip->field_passcount == 1); |
6980 | 907 | err = TIFFReadDirEntrySshortArray(tif, dp, &data); |
6981 | 907 | if (err == TIFFReadDirEntryErrOk) |
6982 | 158 | { |
6983 | 158 | int m; |
6984 | 158 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
6985 | 158 | data); |
6986 | 158 | if (data != 0) |
6987 | 136 | _TIFFfreeExt(tif, data); |
6988 | 158 | if (!m) |
6989 | 22 | return (0); |
6990 | 158 | } |
6991 | 907 | } |
6992 | 885 | break; |
6993 | 2.03k | case TIFF_SETGET_C32_UINT32: |
6994 | 2.03k | { |
6995 | 2.03k | uint32_t *data; |
6996 | 2.03k | assert(fip->field_readcount == TIFF_VARIABLE2); |
6997 | 2.03k | assert(fip->field_passcount == 1); |
6998 | 2.03k | err = TIFFReadDirEntryLongArray(tif, dp, &data); |
6999 | 2.03k | if (err == TIFFReadDirEntryErrOk) |
7000 | 179 | { |
7001 | 179 | int m; |
7002 | 179 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7003 | 179 | data); |
7004 | 179 | if (data != 0) |
7005 | 155 | _TIFFfreeExt(tif, data); |
7006 | 179 | if (!m) |
7007 | 24 | return (0); |
7008 | 179 | } |
7009 | 2.03k | } |
7010 | 2.00k | break; |
7011 | 2.00k | case TIFF_SETGET_C32_SINT32: |
7012 | 586 | { |
7013 | 586 | int32_t *data = NULL; |
7014 | 586 | assert(fip->field_readcount == TIFF_VARIABLE2); |
7015 | 586 | assert(fip->field_passcount == 1); |
7016 | 586 | err = TIFFReadDirEntrySlongArray(tif, dp, &data); |
7017 | 586 | if (err == TIFFReadDirEntryErrOk) |
7018 | 50 | { |
7019 | 50 | int m; |
7020 | 50 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7021 | 50 | data); |
7022 | 50 | if (data != 0) |
7023 | 30 | _TIFFfreeExt(tif, data); |
7024 | 50 | if (!m) |
7025 | 20 | return (0); |
7026 | 50 | } |
7027 | 586 | } |
7028 | 566 | break; |
7029 | 566 | case TIFF_SETGET_C32_UINT64: |
7030 | 270 | { |
7031 | 270 | uint64_t *data; |
7032 | 270 | assert(fip->field_readcount == TIFF_VARIABLE2); |
7033 | 270 | assert(fip->field_passcount == 1); |
7034 | 270 | err = TIFFReadDirEntryLong8Array(tif, dp, &data); |
7035 | 270 | if (err == TIFFReadDirEntryErrOk) |
7036 | 81 | { |
7037 | 81 | int m; |
7038 | 81 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7039 | 81 | data); |
7040 | 81 | if (data != 0) |
7041 | 12 | _TIFFfreeExt(tif, data); |
7042 | 81 | if (!m) |
7043 | 81 | return (0); |
7044 | 81 | } |
7045 | 270 | } |
7046 | 189 | break; |
7047 | 189 | case TIFF_SETGET_C32_SINT64: |
7048 | 162 | { |
7049 | 162 | int64_t *data = NULL; |
7050 | 162 | assert(fip->field_readcount == TIFF_VARIABLE2); |
7051 | 162 | assert(fip->field_passcount == 1); |
7052 | 162 | err = TIFFReadDirEntrySlong8Array(tif, dp, &data); |
7053 | 162 | if (err == TIFFReadDirEntryErrOk) |
7054 | 78 | { |
7055 | 78 | int m; |
7056 | 78 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7057 | 78 | data); |
7058 | 78 | if (data != 0) |
7059 | 65 | _TIFFfreeExt(tif, data); |
7060 | 78 | if (!m) |
7061 | 72 | return (0); |
7062 | 78 | } |
7063 | 162 | } |
7064 | 90 | break; |
7065 | 2.19k | case TIFF_SETGET_C32_FLOAT: |
7066 | 2.19k | { |
7067 | 2.19k | float *data; |
7068 | 2.19k | assert(fip->field_readcount == TIFF_VARIABLE2); |
7069 | 2.19k | assert(fip->field_passcount == 1); |
7070 | 2.19k | err = TIFFReadDirEntryFloatArray(tif, dp, &data); |
7071 | 2.19k | if (err == TIFFReadDirEntryErrOk) |
7072 | 235 | { |
7073 | 235 | int m; |
7074 | 235 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7075 | 235 | data); |
7076 | 235 | if (data != 0) |
7077 | 121 | _TIFFfreeExt(tif, data); |
7078 | 235 | if (!m) |
7079 | 114 | return (0); |
7080 | 235 | } |
7081 | 2.19k | } |
7082 | 2.08k | break; |
7083 | 2.08k | case TIFF_SETGET_C32_DOUBLE: |
7084 | 323 | { |
7085 | 323 | double *data; |
7086 | 323 | assert(fip->field_readcount == TIFF_VARIABLE2); |
7087 | 323 | assert(fip->field_passcount == 1); |
7088 | 323 | err = TIFFReadDirEntryDoubleArray(tif, dp, &data); |
7089 | 323 | if (err == TIFFReadDirEntryErrOk) |
7090 | 147 | { |
7091 | 147 | int m; |
7092 | 147 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7093 | 147 | data); |
7094 | 147 | if (data != 0) |
7095 | 133 | _TIFFfreeExt(tif, data); |
7096 | 147 | if (!m) |
7097 | 14 | return (0); |
7098 | 147 | } |
7099 | 323 | } |
7100 | 309 | break; |
7101 | 309 | case TIFF_SETGET_C32_IFD8: |
7102 | 249 | { |
7103 | 249 | uint64_t *data; |
7104 | 249 | assert(fip->field_readcount == TIFF_VARIABLE2); |
7105 | 249 | assert(fip->field_passcount == 1); |
7106 | 249 | err = TIFFReadDirEntryIfd8Array(tif, dp, &data); |
7107 | 249 | if (err == TIFFReadDirEntryErrOk) |
7108 | 69 | { |
7109 | 69 | int m; |
7110 | 69 | m = TIFFSetField(tif, dp->tdir_tag, (uint32_t)(dp->tdir_count), |
7111 | 69 | data); |
7112 | 69 | if (data != 0) |
7113 | 48 | _TIFFfreeExt(tif, data); |
7114 | 69 | if (!m) |
7115 | 21 | return (0); |
7116 | 69 | } |
7117 | 249 | } |
7118 | 228 | break; |
7119 | 228 | default: |
7120 | 0 | assert(0); /* we should never get here */ |
7121 | 0 | break; |
7122 | 151k | } |
7123 | 150k | if (err != TIFFReadDirEntryErrOk) |
7124 | 17.7k | { |
7125 | 17.7k | TIFFReadDirEntryOutputErr(tif, err, module, fip->field_name, recover); |
7126 | 17.7k | return (0); |
7127 | 17.7k | } |
7128 | 132k | return (1); |
7129 | 150k | } |
7130 | | |
7131 | | /* |
7132 | | * Fetch a set of offsets or lengths. |
7133 | | * While this routine says "strips", in fact it's also used for tiles. |
7134 | | */ |
7135 | | static int TIFFFetchStripThing(TIFF *tif, TIFFDirEntry *dir, uint32_t nstrips, |
7136 | | uint64_t **lpp) |
7137 | 2.69k | { |
7138 | 2.69k | static const char module[] = "TIFFFetchStripThing"; |
7139 | 2.69k | enum TIFFReadDirEntryErr err; |
7140 | 2.69k | uint64_t *data; |
7141 | 2.69k | err = TIFFReadDirEntryLong8ArrayWithLimit(tif, dir, &data, nstrips); |
7142 | 2.69k | if (err != TIFFReadDirEntryErrOk) |
7143 | 54 | { |
7144 | 54 | const TIFFField *fip = TIFFFieldWithTag(tif, dir->tdir_tag); |
7145 | 54 | TIFFReadDirEntryOutputErr(tif, err, module, |
7146 | 54 | fip ? fip->field_name : "unknown tagname", 0); |
7147 | 54 | return (0); |
7148 | 54 | } |
7149 | 2.63k | if (dir->tdir_count < (uint64_t)nstrips) |
7150 | 434 | { |
7151 | 434 | uint64_t *resizeddata; |
7152 | 434 | const TIFFField *fip = TIFFFieldWithTag(tif, dir->tdir_tag); |
7153 | 434 | const char *pszMax = getenv("LIBTIFF_STRILE_ARRAY_MAX_RESIZE_COUNT"); |
7154 | 434 | uint32_t max_nstrips = 1000000; |
7155 | 434 | if (pszMax) |
7156 | 0 | max_nstrips = (uint32_t)atoi(pszMax); |
7157 | 434 | TIFFReadDirEntryOutputErr(tif, TIFFReadDirEntryErrCount, module, |
7158 | 434 | fip ? fip->field_name : "unknown tagname", |
7159 | 434 | (nstrips <= max_nstrips)); |
7160 | | |
7161 | 434 | if (nstrips > max_nstrips) |
7162 | 1 | { |
7163 | 1 | _TIFFfreeExt(tif, data); |
7164 | 1 | return (0); |
7165 | 1 | } |
7166 | | |
7167 | 433 | resizeddata = (uint64_t *)_TIFFCheckMalloc( |
7168 | 433 | tif, nstrips, sizeof(uint64_t), "for strip array"); |
7169 | 433 | if (resizeddata == 0) |
7170 | 0 | { |
7171 | 0 | _TIFFfreeExt(tif, data); |
7172 | 0 | return (0); |
7173 | 0 | } |
7174 | 433 | if (dir->tdir_count) |
7175 | 423 | _TIFFmemcpy(resizeddata, data, |
7176 | 423 | (uint32_t)dir->tdir_count * sizeof(uint64_t)); |
7177 | 433 | _TIFFmemset(resizeddata + (uint32_t)dir->tdir_count, 0, |
7178 | 433 | (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t)); |
7179 | 433 | _TIFFfreeExt(tif, data); |
7180 | 433 | data = resizeddata; |
7181 | 433 | } |
7182 | 2.63k | *lpp = data; |
7183 | 2.63k | return (1); |
7184 | 2.63k | } |
7185 | | |
7186 | | /* |
7187 | | * Fetch and set the SubjectDistance EXIF tag. |
7188 | | */ |
7189 | | static int TIFFFetchSubjectDistance(TIFF *tif, TIFFDirEntry *dir) |
7190 | 0 | { |
7191 | 0 | static const char module[] = "TIFFFetchSubjectDistance"; |
7192 | 0 | enum TIFFReadDirEntryErr err; |
7193 | 0 | UInt64Aligned_t m; |
7194 | 0 | m.l = 0; |
7195 | 0 | assert(sizeof(double) == 8); |
7196 | 0 | assert(sizeof(uint64_t) == 8); |
7197 | 0 | assert(sizeof(uint32_t) == 4); |
7198 | 0 | if (dir->tdir_count != 1) |
7199 | 0 | err = TIFFReadDirEntryErrCount; |
7200 | 0 | else if (dir->tdir_type != TIFF_RATIONAL) |
7201 | 0 | err = TIFFReadDirEntryErrType; |
7202 | 0 | else |
7203 | 0 | { |
7204 | 0 | if (!(tif->tif_flags & TIFF_BIGTIFF)) |
7205 | 0 | { |
7206 | 0 | uint32_t offset; |
7207 | 0 | offset = *(uint32_t *)(&dir->tdir_offset); |
7208 | 0 | if (tif->tif_flags & TIFF_SWAB) |
7209 | 0 | TIFFSwabLong(&offset); |
7210 | 0 | err = TIFFReadDirEntryData(tif, offset, 8, m.i); |
7211 | 0 | } |
7212 | 0 | else |
7213 | 0 | { |
7214 | 0 | m.l = dir->tdir_offset.toff_long8; |
7215 | 0 | err = TIFFReadDirEntryErrOk; |
7216 | 0 | } |
7217 | 0 | } |
7218 | 0 | if (err == TIFFReadDirEntryErrOk) |
7219 | 0 | { |
7220 | 0 | double n; |
7221 | 0 | if (tif->tif_flags & TIFF_SWAB) |
7222 | 0 | TIFFSwabArrayOfLong(m.i, 2); |
7223 | 0 | if (m.i[0] == 0) |
7224 | 0 | n = 0.0; |
7225 | 0 | else if (m.i[0] == 0xFFFFFFFF || m.i[1] == 0) |
7226 | | /* |
7227 | | * XXX: Numerator 0xFFFFFFFF means that we have infinite |
7228 | | * distance. Indicate that with a negative floating point |
7229 | | * SubjectDistance value. |
7230 | | */ |
7231 | 0 | n = -1.0; |
7232 | 0 | else |
7233 | 0 | n = (double)m.i[0] / (double)m.i[1]; |
7234 | 0 | return (TIFFSetField(tif, dir->tdir_tag, n)); |
7235 | 0 | } |
7236 | 0 | else |
7237 | 0 | { |
7238 | 0 | TIFFReadDirEntryOutputErr(tif, err, module, "SubjectDistance", TRUE); |
7239 | 0 | return (0); |
7240 | 0 | } |
7241 | 0 | } |
7242 | | |
7243 | | static void allocChoppedUpStripArrays(TIFF *tif, uint32_t nstrips, |
7244 | | uint64_t stripbytes, |
7245 | | uint32_t rowsperstrip) |
7246 | 0 | { |
7247 | 0 | TIFFDirectory *td = &tif->tif_dir; |
7248 | 0 | uint64_t bytecount; |
7249 | 0 | uint64_t offset; |
7250 | 0 | uint64_t last_offset; |
7251 | 0 | uint64_t last_bytecount; |
7252 | 0 | uint32_t i; |
7253 | 0 | uint64_t *newcounts; |
7254 | 0 | uint64_t *newoffsets; |
7255 | |
|
7256 | 0 | offset = TIFFGetStrileOffset(tif, 0); |
7257 | 0 | last_offset = TIFFGetStrileOffset(tif, td->td_nstrips - 1); |
7258 | 0 | last_bytecount = TIFFGetStrileByteCount(tif, td->td_nstrips - 1); |
7259 | 0 | if (last_offset > UINT64_MAX - last_bytecount || |
7260 | 0 | last_offset + last_bytecount < offset) |
7261 | 0 | { |
7262 | 0 | return; |
7263 | 0 | } |
7264 | 0 | bytecount = last_offset + last_bytecount - offset; |
7265 | |
|
7266 | 0 | newcounts = |
7267 | 0 | (uint64_t *)_TIFFCheckMalloc(tif, nstrips, sizeof(uint64_t), |
7268 | 0 | "for chopped \"StripByteCounts\" array"); |
7269 | 0 | newoffsets = (uint64_t *)_TIFFCheckMalloc( |
7270 | 0 | tif, nstrips, sizeof(uint64_t), "for chopped \"StripOffsets\" array"); |
7271 | 0 | if (newcounts == NULL || newoffsets == NULL) |
7272 | 0 | { |
7273 | | /* |
7274 | | * Unable to allocate new strip information, give up and use |
7275 | | * the original one strip information. |
7276 | | */ |
7277 | 0 | if (newcounts != NULL) |
7278 | 0 | _TIFFfreeExt(tif, newcounts); |
7279 | 0 | if (newoffsets != NULL) |
7280 | 0 | _TIFFfreeExt(tif, newoffsets); |
7281 | 0 | return; |
7282 | 0 | } |
7283 | | |
7284 | | /* |
7285 | | * Fill the strip information arrays with new bytecounts and offsets |
7286 | | * that reflect the broken-up format. |
7287 | | */ |
7288 | 0 | for (i = 0; i < nstrips; i++) |
7289 | 0 | { |
7290 | 0 | if (stripbytes > bytecount) |
7291 | 0 | stripbytes = bytecount; |
7292 | 0 | newcounts[i] = stripbytes; |
7293 | 0 | newoffsets[i] = stripbytes ? offset : 0; |
7294 | 0 | offset += stripbytes; |
7295 | 0 | bytecount -= stripbytes; |
7296 | 0 | } |
7297 | | |
7298 | | /* |
7299 | | * Replace old single strip info with multi-strip info. |
7300 | | */ |
7301 | 0 | td->td_stripsperimage = td->td_nstrips = nstrips; |
7302 | 0 | TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip); |
7303 | |
|
7304 | 0 | _TIFFfreeExt(tif, td->td_stripbytecount_p); |
7305 | 0 | _TIFFfreeExt(tif, td->td_stripoffset_p); |
7306 | 0 | td->td_stripbytecount_p = newcounts; |
7307 | 0 | td->td_stripoffset_p = newoffsets; |
7308 | | #ifdef STRIPBYTECOUNTSORTED_UNUSED |
7309 | | td->td_stripbytecountsorted = 1; |
7310 | | #endif |
7311 | 0 | tif->tif_flags |= TIFF_CHOPPEDUPARRAYS; |
7312 | 0 | } |
7313 | | |
7314 | | /* |
7315 | | * Replace a single strip (tile) of uncompressed data by multiple strips |
7316 | | * (tiles), each approximately STRIP_SIZE_DEFAULT bytes. This is useful for |
7317 | | * dealing with large images or for dealing with machines with a limited |
7318 | | * amount memory. |
7319 | | */ |
7320 | | static void ChopUpSingleUncompressedStrip(TIFF *tif) |
7321 | 0 | { |
7322 | 0 | register TIFFDirectory *td = &tif->tif_dir; |
7323 | 0 | uint64_t bytecount; |
7324 | 0 | uint64_t offset; |
7325 | 0 | uint32_t rowblock; |
7326 | 0 | uint64_t rowblockbytes; |
7327 | 0 | uint64_t stripbytes; |
7328 | 0 | uint32_t nstrips; |
7329 | 0 | uint32_t rowsperstrip; |
7330 | |
|
7331 | 0 | bytecount = TIFFGetStrileByteCount(tif, 0); |
7332 | | /* On a newly created file, just re-opened to be filled, we */ |
7333 | | /* don't want strip chop to trigger as it is going to cause issues */ |
7334 | | /* later ( StripOffsets and StripByteCounts improperly filled) . */ |
7335 | 0 | if (bytecount == 0 && tif->tif_mode != O_RDONLY) |
7336 | 0 | return; |
7337 | 0 | offset = TIFFGetStrileByteCount(tif, 0); |
7338 | 0 | assert(td->td_planarconfig == PLANARCONFIG_CONTIG); |
7339 | 0 | if ((td->td_photometric == PHOTOMETRIC_YCBCR) && (!isUpSampled(tif))) |
7340 | 0 | rowblock = td->td_ycbcrsubsampling[1]; |
7341 | 0 | else |
7342 | 0 | rowblock = 1; |
7343 | 0 | rowblockbytes = TIFFVTileSize64(tif, rowblock); |
7344 | | /* |
7345 | | * Make the rows hold at least one scanline, but fill specified amount |
7346 | | * of data if possible. |
7347 | | */ |
7348 | 0 | if (rowblockbytes > STRIP_SIZE_DEFAULT) |
7349 | 0 | { |
7350 | 0 | stripbytes = rowblockbytes; |
7351 | 0 | rowsperstrip = rowblock; |
7352 | 0 | } |
7353 | 0 | else if (rowblockbytes > 0) |
7354 | 0 | { |
7355 | 0 | uint32_t rowblocksperstrip; |
7356 | 0 | rowblocksperstrip = (uint32_t)(STRIP_SIZE_DEFAULT / rowblockbytes); |
7357 | 0 | rowsperstrip = rowblocksperstrip * rowblock; |
7358 | 0 | stripbytes = rowblocksperstrip * rowblockbytes; |
7359 | 0 | } |
7360 | 0 | else |
7361 | 0 | return; |
7362 | | |
7363 | | /* |
7364 | | * never increase the number of rows per strip |
7365 | | */ |
7366 | 0 | if (rowsperstrip >= td->td_rowsperstrip) |
7367 | 0 | return; |
7368 | 0 | nstrips = TIFFhowmany_32(td->td_imagelength, rowsperstrip); |
7369 | 0 | if (nstrips == 0) |
7370 | 0 | return; |
7371 | | |
7372 | | /* If we are going to allocate a lot of memory, make sure that the */ |
7373 | | /* file is as big as needed */ |
7374 | 0 | if (tif->tif_mode == O_RDONLY && nstrips > 1000000 && |
7375 | 0 | (offset >= TIFFGetFileSize(tif) || |
7376 | 0 | stripbytes > (TIFFGetFileSize(tif) - offset) / (nstrips - 1))) |
7377 | 0 | { |
7378 | 0 | return; |
7379 | 0 | } |
7380 | | |
7381 | 0 | allocChoppedUpStripArrays(tif, nstrips, stripbytes, rowsperstrip); |
7382 | 0 | } |
7383 | | |
7384 | | /* |
7385 | | * Replace a file with contiguous strips > 2 GB of uncompressed data by |
7386 | | * multiple smaller strips. This is useful for |
7387 | | * dealing with large images or for dealing with machines with a limited |
7388 | | * amount memory. |
7389 | | */ |
7390 | | static void TryChopUpUncompressedBigTiff(TIFF *tif) |
7391 | 0 | { |
7392 | 0 | TIFFDirectory *td = &tif->tif_dir; |
7393 | 0 | uint32_t rowblock; |
7394 | 0 | uint64_t rowblockbytes; |
7395 | 0 | uint32_t i; |
7396 | 0 | uint64_t stripsize; |
7397 | 0 | uint32_t rowblocksperstrip; |
7398 | 0 | uint32_t rowsperstrip; |
7399 | 0 | uint64_t stripbytes; |
7400 | 0 | uint32_t nstrips; |
7401 | |
|
7402 | 0 | stripsize = TIFFStripSize64(tif); |
7403 | |
|
7404 | 0 | assert(tif->tif_dir.td_planarconfig == PLANARCONFIG_CONTIG); |
7405 | 0 | assert(tif->tif_dir.td_compression == COMPRESSION_NONE); |
7406 | 0 | assert((tif->tif_flags & (TIFF_STRIPCHOP | TIFF_ISTILED)) == |
7407 | 0 | TIFF_STRIPCHOP); |
7408 | 0 | assert(stripsize > 0x7FFFFFFFUL); |
7409 | | |
7410 | | /* On a newly created file, just re-opened to be filled, we */ |
7411 | | /* don't want strip chop to trigger as it is going to cause issues */ |
7412 | | /* later ( StripOffsets and StripByteCounts improperly filled) . */ |
7413 | 0 | if (TIFFGetStrileByteCount(tif, 0) == 0 && tif->tif_mode != O_RDONLY) |
7414 | 0 | return; |
7415 | | |
7416 | 0 | if ((td->td_photometric == PHOTOMETRIC_YCBCR) && (!isUpSampled(tif))) |
7417 | 0 | rowblock = td->td_ycbcrsubsampling[1]; |
7418 | 0 | else |
7419 | 0 | rowblock = 1; |
7420 | 0 | rowblockbytes = TIFFVStripSize64(tif, rowblock); |
7421 | 0 | if (rowblockbytes == 0 || rowblockbytes > 0x7FFFFFFFUL) |
7422 | 0 | { |
7423 | | /* In case of file with gigantic width */ |
7424 | 0 | return; |
7425 | 0 | } |
7426 | | |
7427 | | /* Check that the strips are contiguous and of the expected size */ |
7428 | 0 | for (i = 0; i < td->td_nstrips; i++) |
7429 | 0 | { |
7430 | 0 | if (i == td->td_nstrips - 1) |
7431 | 0 | { |
7432 | 0 | if (TIFFGetStrileByteCount(tif, i) < |
7433 | 0 | TIFFVStripSize64(tif, |
7434 | 0 | td->td_imagelength - i * td->td_rowsperstrip)) |
7435 | 0 | { |
7436 | 0 | return; |
7437 | 0 | } |
7438 | 0 | } |
7439 | 0 | else |
7440 | 0 | { |
7441 | 0 | if (TIFFGetStrileByteCount(tif, i) != stripsize) |
7442 | 0 | { |
7443 | 0 | return; |
7444 | 0 | } |
7445 | 0 | if (i > 0 && TIFFGetStrileOffset(tif, i) != |
7446 | 0 | TIFFGetStrileOffset(tif, i - 1) + |
7447 | 0 | TIFFGetStrileByteCount(tif, i - 1)) |
7448 | 0 | { |
7449 | 0 | return; |
7450 | 0 | } |
7451 | 0 | } |
7452 | 0 | } |
7453 | | |
7454 | | /* Aim for 512 MB strips (that will still be manageable by 32 bit builds */ |
7455 | 0 | rowblocksperstrip = (uint32_t)(512 * 1024 * 1024 / rowblockbytes); |
7456 | 0 | if (rowblocksperstrip == 0) |
7457 | 0 | rowblocksperstrip = 1; |
7458 | 0 | rowsperstrip = rowblocksperstrip * rowblock; |
7459 | 0 | stripbytes = rowblocksperstrip * rowblockbytes; |
7460 | 0 | assert(stripbytes <= 0x7FFFFFFFUL); |
7461 | |
|
7462 | 0 | nstrips = TIFFhowmany_32(td->td_imagelength, rowsperstrip); |
7463 | 0 | if (nstrips == 0) |
7464 | 0 | return; |
7465 | | |
7466 | | /* If we are going to allocate a lot of memory, make sure that the */ |
7467 | | /* file is as big as needed */ |
7468 | 0 | if (tif->tif_mode == O_RDONLY && nstrips > 1000000) |
7469 | 0 | { |
7470 | 0 | uint64_t last_offset = TIFFGetStrileOffset(tif, td->td_nstrips - 1); |
7471 | 0 | uint64_t filesize = TIFFGetFileSize(tif); |
7472 | 0 | uint64_t last_bytecount = |
7473 | 0 | TIFFGetStrileByteCount(tif, td->td_nstrips - 1); |
7474 | 0 | if (last_offset > filesize || last_bytecount > filesize - last_offset) |
7475 | 0 | { |
7476 | 0 | return; |
7477 | 0 | } |
7478 | 0 | } |
7479 | | |
7480 | 0 | allocChoppedUpStripArrays(tif, nstrips, stripbytes, rowsperstrip); |
7481 | 0 | } |
7482 | | |
7483 | | TIFF_NOSANITIZE_UNSIGNED_INT_OVERFLOW |
7484 | | static uint64_t _TIFFUnsanitizedAddUInt64AndInt(uint64_t a, int b) |
7485 | 0 | { |
7486 | 0 | return a + b; |
7487 | 0 | } |
7488 | | |
7489 | | /* Read the value of [Strip|Tile]Offset or [Strip|Tile]ByteCount around |
7490 | | * strip/tile of number strile. Also fetch the neighbouring values using a |
7491 | | * 4096 byte page size. |
7492 | | */ |
7493 | | static int _TIFFPartialReadStripArray(TIFF *tif, TIFFDirEntry *dirent, |
7494 | | int strile, uint64_t *panVals) |
7495 | 0 | { |
7496 | 0 | static const char module[] = "_TIFFPartialReadStripArray"; |
7497 | 0 | #define IO_CACHE_PAGE_SIZE 4096 |
7498 | |
|
7499 | 0 | size_t sizeofval; |
7500 | 0 | const int bSwab = (tif->tif_flags & TIFF_SWAB) != 0; |
7501 | 0 | int sizeofvalint; |
7502 | 0 | uint64_t nBaseOffset; |
7503 | 0 | uint64_t nOffset; |
7504 | 0 | uint64_t nOffsetStartPage; |
7505 | 0 | uint64_t nOffsetEndPage; |
7506 | 0 | tmsize_t nToRead; |
7507 | 0 | tmsize_t nRead; |
7508 | 0 | uint64_t nLastStripOffset; |
7509 | 0 | int iStartBefore; |
7510 | 0 | int i; |
7511 | 0 | const uint32_t arraySize = tif->tif_dir.td_stripoffsetbyteallocsize; |
7512 | 0 | unsigned char buffer[2 * IO_CACHE_PAGE_SIZE]; |
7513 | |
|
7514 | 0 | assert(dirent->tdir_count > 4); |
7515 | |
|
7516 | 0 | if (dirent->tdir_type == TIFF_SHORT) |
7517 | 0 | { |
7518 | 0 | sizeofval = sizeof(uint16_t); |
7519 | 0 | } |
7520 | 0 | else if (dirent->tdir_type == TIFF_LONG) |
7521 | 0 | { |
7522 | 0 | sizeofval = sizeof(uint32_t); |
7523 | 0 | } |
7524 | 0 | else if (dirent->tdir_type == TIFF_LONG8) |
7525 | 0 | { |
7526 | 0 | sizeofval = sizeof(uint64_t); |
7527 | 0 | } |
7528 | 0 | else if (dirent->tdir_type == TIFF_SLONG8) |
7529 | 0 | { |
7530 | | /* Non conformant but used by some images as in */ |
7531 | | /* https://github.com/OSGeo/gdal/issues/2165 */ |
7532 | 0 | sizeofval = sizeof(int64_t); |
7533 | 0 | } |
7534 | 0 | else |
7535 | 0 | { |
7536 | 0 | TIFFErrorExtR(tif, module, |
7537 | 0 | "Invalid type for [Strip|Tile][Offset/ByteCount] tag"); |
7538 | 0 | panVals[strile] = 0; |
7539 | 0 | return 0; |
7540 | 0 | } |
7541 | 0 | sizeofvalint = (int)(sizeofval); |
7542 | |
|
7543 | 0 | if (tif->tif_flags & TIFF_BIGTIFF) |
7544 | 0 | { |
7545 | 0 | uint64_t offset = dirent->tdir_offset.toff_long8; |
7546 | 0 | if (bSwab) |
7547 | 0 | TIFFSwabLong8(&offset); |
7548 | 0 | nBaseOffset = offset; |
7549 | 0 | } |
7550 | 0 | else |
7551 | 0 | { |
7552 | 0 | uint32_t offset = dirent->tdir_offset.toff_long; |
7553 | 0 | if (bSwab) |
7554 | 0 | TIFFSwabLong(&offset); |
7555 | 0 | nBaseOffset = offset; |
7556 | 0 | } |
7557 | | /* To avoid later unsigned integer overflows */ |
7558 | 0 | if (nBaseOffset > (uint64_t)INT64_MAX) |
7559 | 0 | { |
7560 | 0 | TIFFErrorExtR(tif, module, "Cannot read offset/size for strile %d", |
7561 | 0 | strile); |
7562 | 0 | panVals[strile] = 0; |
7563 | 0 | return 0; |
7564 | 0 | } |
7565 | 0 | nOffset = nBaseOffset + sizeofval * strile; |
7566 | 0 | nOffsetStartPage = (nOffset / IO_CACHE_PAGE_SIZE) * IO_CACHE_PAGE_SIZE; |
7567 | 0 | nOffsetEndPage = nOffsetStartPage + IO_CACHE_PAGE_SIZE; |
7568 | |
|
7569 | 0 | if (nOffset + sizeofval > nOffsetEndPage) |
7570 | 0 | nOffsetEndPage += IO_CACHE_PAGE_SIZE; |
7571 | 0 | #undef IO_CACHE_PAGE_SIZE |
7572 | |
|
7573 | 0 | nLastStripOffset = nBaseOffset + arraySize * sizeofval; |
7574 | 0 | if (nLastStripOffset < nOffsetEndPage) |
7575 | 0 | nOffsetEndPage = nLastStripOffset; |
7576 | 0 | if (nOffsetStartPage >= nOffsetEndPage) |
7577 | 0 | { |
7578 | 0 | TIFFErrorExtR(tif, module, "Cannot read offset/size for strile %d", |
7579 | 0 | strile); |
7580 | 0 | panVals[strile] = 0; |
7581 | 0 | return 0; |
7582 | 0 | } |
7583 | 0 | if (!SeekOK(tif, nOffsetStartPage)) |
7584 | 0 | { |
7585 | 0 | panVals[strile] = 0; |
7586 | 0 | return 0; |
7587 | 0 | } |
7588 | | |
7589 | 0 | nToRead = (tmsize_t)(nOffsetEndPage - nOffsetStartPage); |
7590 | 0 | nRead = TIFFReadFile(tif, buffer, nToRead); |
7591 | 0 | if (nRead < nToRead) |
7592 | 0 | { |
7593 | 0 | TIFFErrorExtR(tif, module, |
7594 | 0 | "Cannot read offset/size for strile around ~%d", strile); |
7595 | 0 | return 0; |
7596 | 0 | } |
7597 | 0 | iStartBefore = -(int)((nOffset - nOffsetStartPage) / sizeofval); |
7598 | 0 | if (strile + iStartBefore < 0) |
7599 | 0 | iStartBefore = -strile; |
7600 | 0 | for (i = iStartBefore; |
7601 | 0 | (uint32_t)(strile + i) < arraySize && |
7602 | 0 | _TIFFUnsanitizedAddUInt64AndInt(nOffset, (i + 1) * sizeofvalint) <= |
7603 | 0 | nOffsetEndPage; |
7604 | 0 | ++i) |
7605 | 0 | { |
7606 | 0 | if (dirent->tdir_type == TIFF_SHORT) |
7607 | 0 | { |
7608 | 0 | uint16_t val; |
7609 | 0 | memcpy(&val, |
7610 | 0 | buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint, |
7611 | 0 | sizeof(val)); |
7612 | 0 | if (bSwab) |
7613 | 0 | TIFFSwabShort(&val); |
7614 | 0 | panVals[strile + i] = val; |
7615 | 0 | } |
7616 | 0 | else if (dirent->tdir_type == TIFF_LONG) |
7617 | 0 | { |
7618 | 0 | uint32_t val; |
7619 | 0 | memcpy(&val, |
7620 | 0 | buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint, |
7621 | 0 | sizeof(val)); |
7622 | 0 | if (bSwab) |
7623 | 0 | TIFFSwabLong(&val); |
7624 | 0 | panVals[strile + i] = val; |
7625 | 0 | } |
7626 | 0 | else if (dirent->tdir_type == TIFF_LONG8) |
7627 | 0 | { |
7628 | 0 | uint64_t val; |
7629 | 0 | memcpy(&val, |
7630 | 0 | buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint, |
7631 | 0 | sizeof(val)); |
7632 | 0 | if (bSwab) |
7633 | 0 | TIFFSwabLong8(&val); |
7634 | 0 | panVals[strile + i] = val; |
7635 | 0 | } |
7636 | 0 | else /* if( dirent->tdir_type == TIFF_SLONG8 ) */ |
7637 | 0 | { |
7638 | | /* Non conformant data type */ |
7639 | 0 | int64_t val; |
7640 | 0 | memcpy(&val, |
7641 | 0 | buffer + (nOffset - nOffsetStartPage) + i * sizeofvalint, |
7642 | 0 | sizeof(val)); |
7643 | 0 | if (bSwab) |
7644 | 0 | TIFFSwabLong8((uint64_t *)&val); |
7645 | 0 | panVals[strile + i] = (uint64_t)val; |
7646 | 0 | } |
7647 | 0 | } |
7648 | 0 | return 1; |
7649 | 0 | } |
7650 | | |
7651 | | static int _TIFFFetchStrileValue(TIFF *tif, uint32_t strile, |
7652 | | TIFFDirEntry *dirent, uint64_t **parray) |
7653 | 0 | { |
7654 | 0 | static const char module[] = "_TIFFFetchStrileValue"; |
7655 | 0 | TIFFDirectory *td = &tif->tif_dir; |
7656 | 0 | if (strile >= dirent->tdir_count) |
7657 | 0 | { |
7658 | 0 | return 0; |
7659 | 0 | } |
7660 | 0 | if (strile >= td->td_stripoffsetbyteallocsize) |
7661 | 0 | { |
7662 | 0 | uint32_t nStripArrayAllocBefore = td->td_stripoffsetbyteallocsize; |
7663 | 0 | uint32_t nStripArrayAllocNew; |
7664 | 0 | uint64_t nArraySize64; |
7665 | 0 | size_t nArraySize; |
7666 | 0 | uint64_t *offsetArray; |
7667 | 0 | uint64_t *bytecountArray; |
7668 | |
|
7669 | 0 | if (strile > 1000000) |
7670 | 0 | { |
7671 | 0 | uint64_t filesize = TIFFGetFileSize(tif); |
7672 | | /* Avoid excessive memory allocation attempt */ |
7673 | | /* For such a big blockid we need at least a TIFF_LONG per strile */ |
7674 | | /* for the offset array. */ |
7675 | 0 | if (strile > filesize / sizeof(uint32_t)) |
7676 | 0 | { |
7677 | 0 | TIFFErrorExtR(tif, module, "File too short"); |
7678 | 0 | return 0; |
7679 | 0 | } |
7680 | 0 | } |
7681 | | |
7682 | 0 | if (td->td_stripoffsetbyteallocsize == 0 && |
7683 | 0 | td->td_nstrips < 1024 * 1024) |
7684 | 0 | { |
7685 | 0 | nStripArrayAllocNew = td->td_nstrips; |
7686 | 0 | } |
7687 | 0 | else |
7688 | 0 | { |
7689 | 0 | #define TIFF_MAX(a, b) (((a) > (b)) ? (a) : (b)) |
7690 | 0 | #define TIFF_MIN(a, b) (((a) < (b)) ? (a) : (b)) |
7691 | 0 | nStripArrayAllocNew = TIFF_MAX(strile + 1, 1024U * 512U); |
7692 | 0 | if (nStripArrayAllocNew < 0xFFFFFFFFU / 2) |
7693 | 0 | nStripArrayAllocNew *= 2; |
7694 | 0 | nStripArrayAllocNew = TIFF_MIN(nStripArrayAllocNew, td->td_nstrips); |
7695 | 0 | } |
7696 | 0 | assert(strile < nStripArrayAllocNew); |
7697 | 0 | nArraySize64 = (uint64_t)sizeof(uint64_t) * nStripArrayAllocNew; |
7698 | 0 | nArraySize = (size_t)(nArraySize64); |
7699 | | #if SIZEOF_SIZE_T == 4 |
7700 | | if (nArraySize != nArraySize64) |
7701 | | { |
7702 | | TIFFErrorExtR(tif, module, |
7703 | | "Cannot allocate strip offset and bytecount arrays"); |
7704 | | return 0; |
7705 | | } |
7706 | | #endif |
7707 | 0 | offsetArray = (uint64_t *)(_TIFFreallocExt(tif, td->td_stripoffset_p, |
7708 | 0 | nArraySize)); |
7709 | 0 | bytecountArray = (uint64_t *)(_TIFFreallocExt( |
7710 | 0 | tif, td->td_stripbytecount_p, nArraySize)); |
7711 | 0 | if (offsetArray) |
7712 | 0 | td->td_stripoffset_p = offsetArray; |
7713 | 0 | if (bytecountArray) |
7714 | 0 | td->td_stripbytecount_p = bytecountArray; |
7715 | 0 | if (offsetArray && bytecountArray) |
7716 | 0 | { |
7717 | 0 | td->td_stripoffsetbyteallocsize = nStripArrayAllocNew; |
7718 | | /* Initialize new entries to ~0 / -1 */ |
7719 | | /* coverity[overrun-buffer-arg] */ |
7720 | 0 | memset(td->td_stripoffset_p + nStripArrayAllocBefore, 0xFF, |
7721 | 0 | (td->td_stripoffsetbyteallocsize - nStripArrayAllocBefore) * |
7722 | 0 | sizeof(uint64_t)); |
7723 | | /* coverity[overrun-buffer-arg] */ |
7724 | 0 | memset(td->td_stripbytecount_p + nStripArrayAllocBefore, 0xFF, |
7725 | 0 | (td->td_stripoffsetbyteallocsize - nStripArrayAllocBefore) * |
7726 | 0 | sizeof(uint64_t)); |
7727 | 0 | } |
7728 | 0 | else |
7729 | 0 | { |
7730 | 0 | TIFFErrorExtR(tif, module, |
7731 | 0 | "Cannot allocate strip offset and bytecount arrays"); |
7732 | 0 | _TIFFfreeExt(tif, td->td_stripoffset_p); |
7733 | 0 | td->td_stripoffset_p = NULL; |
7734 | 0 | _TIFFfreeExt(tif, td->td_stripbytecount_p); |
7735 | 0 | td->td_stripbytecount_p = NULL; |
7736 | 0 | td->td_stripoffsetbyteallocsize = 0; |
7737 | 0 | } |
7738 | 0 | } |
7739 | 0 | if (*parray == NULL || strile >= td->td_stripoffsetbyteallocsize) |
7740 | 0 | return 0; |
7741 | | |
7742 | 0 | if (~((*parray)[strile]) == 0) |
7743 | 0 | { |
7744 | 0 | if (!_TIFFPartialReadStripArray(tif, dirent, strile, *parray)) |
7745 | 0 | { |
7746 | 0 | (*parray)[strile] = 0; |
7747 | 0 | return 0; |
7748 | 0 | } |
7749 | 0 | } |
7750 | | |
7751 | 0 | return 1; |
7752 | 0 | } |
7753 | | |
7754 | | static uint64_t _TIFFGetStrileOffsetOrByteCountValue(TIFF *tif, uint32_t strile, |
7755 | | TIFFDirEntry *dirent, |
7756 | | uint64_t **parray, |
7757 | | int *pbErr) |
7758 | 1.33M | { |
7759 | 1.33M | TIFFDirectory *td = &tif->tif_dir; |
7760 | 1.33M | if (pbErr) |
7761 | 0 | *pbErr = 0; |
7762 | 1.33M | if ((tif->tif_flags & TIFF_DEFERSTRILELOAD) && |
7763 | 1.33M | !(tif->tif_flags & TIFF_CHOPPEDUPARRAYS)) |
7764 | 0 | { |
7765 | 0 | if (!(tif->tif_flags & TIFF_LAZYSTRILELOAD) || |
7766 | | /* If the values may fit in the toff_long/toff_long8 member */ |
7767 | | /* then use _TIFFFillStriles to simplify _TIFFFetchStrileValue */ |
7768 | 0 | dirent->tdir_count <= 4) |
7769 | 0 | { |
7770 | 0 | if (!_TIFFFillStriles(tif)) |
7771 | 0 | { |
7772 | 0 | if (pbErr) |
7773 | 0 | *pbErr = 1; |
7774 | | /* Do not return, as we want this function to always */ |
7775 | | /* return the same value if called several times with */ |
7776 | | /* the same arguments */ |
7777 | 0 | } |
7778 | 0 | } |
7779 | 0 | else |
7780 | 0 | { |
7781 | 0 | if (!_TIFFFetchStrileValue(tif, strile, dirent, parray)) |
7782 | 0 | { |
7783 | 0 | if (pbErr) |
7784 | 0 | *pbErr = 1; |
7785 | 0 | return 0; |
7786 | 0 | } |
7787 | 0 | } |
7788 | 0 | } |
7789 | 1.33M | if (*parray == NULL || strile >= td->td_nstrips) |
7790 | 0 | { |
7791 | 0 | if (pbErr) |
7792 | 0 | *pbErr = 1; |
7793 | 0 | return 0; |
7794 | 0 | } |
7795 | 1.33M | return (*parray)[strile]; |
7796 | 1.33M | } |
7797 | | |
7798 | | /* Return the value of the TileOffsets/StripOffsets array for the specified |
7799 | | * tile/strile */ |
7800 | | uint64_t TIFFGetStrileOffset(TIFF *tif, uint32_t strile) |
7801 | 860k | { |
7802 | 860k | return TIFFGetStrileOffsetWithErr(tif, strile, NULL); |
7803 | 860k | } |
7804 | | |
7805 | | /* Return the value of the TileOffsets/StripOffsets array for the specified |
7806 | | * tile/strile */ |
7807 | | uint64_t TIFFGetStrileOffsetWithErr(TIFF *tif, uint32_t strile, int *pbErr) |
7808 | 860k | { |
7809 | 860k | TIFFDirectory *td = &tif->tif_dir; |
7810 | 860k | return _TIFFGetStrileOffsetOrByteCountValue(tif, strile, |
7811 | 860k | &(td->td_stripoffset_entry), |
7812 | 860k | &(td->td_stripoffset_p), pbErr); |
7813 | 860k | } |
7814 | | |
7815 | | /* Return the value of the TileByteCounts/StripByteCounts array for the |
7816 | | * specified tile/strile */ |
7817 | | uint64_t TIFFGetStrileByteCount(TIFF *tif, uint32_t strile) |
7818 | 470k | { |
7819 | 470k | return TIFFGetStrileByteCountWithErr(tif, strile, NULL); |
7820 | 470k | } |
7821 | | |
7822 | | /* Return the value of the TileByteCounts/StripByteCounts array for the |
7823 | | * specified tile/strile */ |
7824 | | uint64_t TIFFGetStrileByteCountWithErr(TIFF *tif, uint32_t strile, int *pbErr) |
7825 | 470k | { |
7826 | 470k | TIFFDirectory *td = &tif->tif_dir; |
7827 | 470k | return _TIFFGetStrileOffsetOrByteCountValue( |
7828 | 470k | tif, strile, &(td->td_stripbytecount_entry), &(td->td_stripbytecount_p), |
7829 | 470k | pbErr); |
7830 | 470k | } |
7831 | | |
7832 | 5 | int _TIFFFillStriles(TIFF *tif) { return _TIFFFillStrilesInternal(tif, 1); } |
7833 | | |
7834 | | static int _TIFFFillStrilesInternal(TIFF *tif, int loadStripByteCount) |
7835 | 298 | { |
7836 | 298 | register TIFFDirectory *td = &tif->tif_dir; |
7837 | 298 | int return_value = 1; |
7838 | | |
7839 | | /* Do not do anything if TIFF_DEFERSTRILELOAD is not set */ |
7840 | 298 | if (!(tif->tif_flags & TIFF_DEFERSTRILELOAD) || |
7841 | 298 | (tif->tif_flags & TIFF_CHOPPEDUPARRAYS) != 0) |
7842 | 298 | return 1; |
7843 | | |
7844 | 0 | if (tif->tif_flags & TIFF_LAZYSTRILELOAD) |
7845 | 0 | { |
7846 | | /* In case of lazy loading, reload completely the arrays */ |
7847 | 0 | _TIFFfreeExt(tif, td->td_stripoffset_p); |
7848 | 0 | _TIFFfreeExt(tif, td->td_stripbytecount_p); |
7849 | 0 | td->td_stripoffset_p = NULL; |
7850 | 0 | td->td_stripbytecount_p = NULL; |
7851 | 0 | td->td_stripoffsetbyteallocsize = 0; |
7852 | 0 | tif->tif_flags &= ~TIFF_LAZYSTRILELOAD; |
7853 | 0 | } |
7854 | | |
7855 | | /* If stripoffset array is already loaded, exit with success */ |
7856 | 0 | if (td->td_stripoffset_p != NULL) |
7857 | 0 | return 1; |
7858 | | |
7859 | | /* If tdir_count was canceled, then we already got there, but in error */ |
7860 | 0 | if (td->td_stripoffset_entry.tdir_count == 0) |
7861 | 0 | return 0; |
7862 | | |
7863 | 0 | if (!TIFFFetchStripThing(tif, &(td->td_stripoffset_entry), td->td_nstrips, |
7864 | 0 | &td->td_stripoffset_p)) |
7865 | 0 | { |
7866 | 0 | return_value = 0; |
7867 | 0 | } |
7868 | |
|
7869 | 0 | if (loadStripByteCount && |
7870 | 0 | !TIFFFetchStripThing(tif, &(td->td_stripbytecount_entry), |
7871 | 0 | td->td_nstrips, &td->td_stripbytecount_p)) |
7872 | 0 | { |
7873 | 0 | return_value = 0; |
7874 | 0 | } |
7875 | |
|
7876 | 0 | _TIFFmemset(&(td->td_stripoffset_entry), 0, sizeof(TIFFDirEntry)); |
7877 | 0 | _TIFFmemset(&(td->td_stripbytecount_entry), 0, sizeof(TIFFDirEntry)); |
7878 | |
|
7879 | | #ifdef STRIPBYTECOUNTSORTED_UNUSED |
7880 | | if (tif->tif_dir.td_nstrips > 1 && return_value == 1) |
7881 | | { |
7882 | | uint32_t strip; |
7883 | | |
7884 | | tif->tif_dir.td_stripbytecountsorted = 1; |
7885 | | for (strip = 1; strip < tif->tif_dir.td_nstrips; strip++) |
7886 | | { |
7887 | | if (tif->tif_dir.td_stripoffset_p[strip - 1] > |
7888 | | tif->tif_dir.td_stripoffset_p[strip]) |
7889 | | { |
7890 | | tif->tif_dir.td_stripbytecountsorted = 0; |
7891 | | break; |
7892 | | } |
7893 | | } |
7894 | | } |
7895 | | #endif |
7896 | |
|
7897 | 0 | return return_value; |
7898 | 0 | } |