/src/php-src/ext/exif/exif.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* |
2 | | +----------------------------------------------------------------------+ |
3 | | | Copyright (c) The PHP Group | |
4 | | +----------------------------------------------------------------------+ |
5 | | | This source file is subject to version 3.01 of the PHP license, | |
6 | | | that is bundled with this package in the file LICENSE, and is | |
7 | | | available through the world-wide-web at the following url: | |
8 | | | https://www.php.net/license/3_01.txt | |
9 | | | If you did not receive a copy of the PHP license and are unable to | |
10 | | | obtain it through the world-wide-web, please send a note to | |
11 | | | license@php.net so we can mail you a copy immediately. | |
12 | | +----------------------------------------------------------------------+ |
13 | | | Authors: Rasmus Lerdorf <rasmus@php.net> | |
14 | | | Marcus Boerger <helly@php.net> | |
15 | | +----------------------------------------------------------------------+ |
16 | | */ |
17 | | |
18 | | #ifdef HAVE_CONFIG_H |
19 | | #include <config.h> |
20 | | #endif |
21 | | |
22 | | #include "php.h" |
23 | | #include "ext/standard/file.h" |
24 | | |
25 | | /* When EXIF_DEBUG is defined the module generates a lot of debug messages |
26 | | * that help understanding what is going on. This can and should be used |
27 | | * while extending the module as it shows if you are at the right position. |
28 | | * You are always considered to have a copy of TIFF6.0 and EXIF2.10 standard. |
29 | | */ |
30 | | #undef EXIF_DEBUG |
31 | | |
32 | | #ifdef EXIF_DEBUG |
33 | | #define EXIFERR_DC , const char *_file, size_t _line |
34 | | #define EXIFERR_CC , __FILE__, __LINE__ |
35 | | #else |
36 | | #define EXIFERR_DC |
37 | | #define EXIFERR_CC |
38 | | #endif |
39 | | |
40 | 5 | #define USE_MBSTRING zend_hash_str_exists(&module_registry, "mbstring", sizeof("mbstring")-1) |
41 | | |
42 | | #include "php_exif.h" |
43 | | #include "exif_arginfo.h" |
44 | | #include <math.h> |
45 | | #include "php_ini.h" |
46 | | #include "ext/standard/php_string.h" /* for php_basename() */ |
47 | | #include "ext/standard/php_image.h" |
48 | | #include "ext/standard/info.h" |
49 | | |
50 | | /* needed for ssize_t definition */ |
51 | | #include <sys/types.h> |
52 | | |
53 | | #ifdef __SANITIZE_ADDRESS__ |
54 | | # include <sanitizer/asan_interface.h> |
55 | | #endif |
56 | | |
57 | | typedef unsigned char uchar; |
58 | | |
59 | | #ifndef max |
60 | | # define max(a,b) ((a)>(b) ? (a) : (b)) |
61 | | #endif |
62 | | |
63 | 1.11M | #define EFREE_IF(ptr) if (ptr) efree(ptr) |
64 | | |
65 | 434k | #define MAX_IFD_NESTING_LEVEL 10 |
66 | 436k | #define MAX_IFD_TAGS 1000 |
67 | | |
68 | | /* {{{ PHP_MINFO_FUNCTION */ |
69 | | PHP_MINFO_FUNCTION(exif) |
70 | 5 | { |
71 | 5 | php_info_print_table_start(); |
72 | 5 | php_info_print_table_row(2, "EXIF Support", "enabled"); |
73 | 5 | php_info_print_table_row(2, "Supported EXIF Version", "0220"); |
74 | 5 | php_info_print_table_row(2, "Supported filetypes", "JPEG, TIFF"); |
75 | | |
76 | 5 | if (USE_MBSTRING) { |
77 | 0 | php_info_print_table_row(2, "Multibyte decoding support using mbstring", "enabled"); |
78 | 5 | } else { |
79 | 5 | php_info_print_table_row(2, "Multibyte decoding support using mbstring", "disabled"); |
80 | 5 | } |
81 | | |
82 | 5 | php_info_print_table_row(2, "Extended EXIF tag formats", "Canon, Casio, Fujifilm, Nikon, Olympus, Samsung, Panasonic, DJI, Sony, Pentax, Minolta, Sigma, Foveon, Kyocera, Ricoh, AGFA, Epson"); |
83 | 5 | php_info_print_table_end(); |
84 | | |
85 | 5 | DISPLAY_INI_ENTRIES(); |
86 | 5 | } |
87 | | /* }}} */ |
88 | | |
89 | | ZEND_BEGIN_MODULE_GLOBALS(exif) |
90 | | char * encode_unicode; |
91 | | char * decode_unicode_be; |
92 | | char * decode_unicode_le; |
93 | | char * encode_jis; |
94 | | char * decode_jis_be; |
95 | | char * decode_jis_le; |
96 | | HashTable *tag_table_cache; |
97 | | ZEND_END_MODULE_GLOBALS(exif) |
98 | | |
99 | | ZEND_DECLARE_MODULE_GLOBALS(exif) |
100 | 31.7M | #define EXIF_G(v) ZEND_MODULE_GLOBALS_ACCESSOR(exif, v) |
101 | | |
102 | | #if defined(ZTS) && defined(COMPILE_DL_EXIF) |
103 | | ZEND_TSRMLS_CACHE_DEFINE() |
104 | | #endif |
105 | | |
106 | | /* {{{ PHP_INI */ |
107 | | |
108 | | ZEND_INI_MH(OnUpdateEncode) |
109 | 32 | { |
110 | 32 | if (new_value && ZSTR_LEN(new_value)) { |
111 | 16 | const zend_encoding **return_list; |
112 | 16 | size_t return_size; |
113 | 16 | if (FAILURE == zend_multibyte_parse_encoding_list(ZSTR_VAL(new_value), ZSTR_LEN(new_value), |
114 | 16 | &return_list, &return_size, 0)) { |
115 | 0 | php_error_docref(NULL, E_WARNING, "Illegal encoding ignored: '%s'", ZSTR_VAL(new_value)); |
116 | 0 | return FAILURE; |
117 | 0 | } |
118 | 16 | pefree((void *) return_list, 0); |
119 | 16 | } |
120 | 32 | return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); |
121 | 32 | } |
122 | | |
123 | | ZEND_INI_MH(OnUpdateDecode) |
124 | 64 | { |
125 | 64 | if (new_value) { |
126 | 64 | const zend_encoding **return_list; |
127 | 64 | size_t return_size; |
128 | 64 | if (FAILURE == zend_multibyte_parse_encoding_list(ZSTR_VAL(new_value), ZSTR_LEN(new_value), |
129 | 64 | &return_list, &return_size, 0)) { |
130 | 0 | php_error_docref(NULL, E_WARNING, "Illegal encoding ignored: '%s'", ZSTR_VAL(new_value)); |
131 | 0 | return FAILURE; |
132 | 0 | } |
133 | 64 | pefree((void *) return_list, 0); |
134 | 64 | } |
135 | 64 | return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); |
136 | 64 | } |
137 | | |
138 | | PHP_INI_BEGIN() |
139 | | STD_PHP_INI_ENTRY("exif.encode_unicode", "ISO-8859-15", PHP_INI_ALL, OnUpdateEncode, encode_unicode, zend_exif_globals, exif_globals) |
140 | | STD_PHP_INI_ENTRY("exif.decode_unicode_motorola", "UCS-2BE", PHP_INI_ALL, OnUpdateDecode, decode_unicode_be, zend_exif_globals, exif_globals) |
141 | | STD_PHP_INI_ENTRY("exif.decode_unicode_intel", "UCS-2LE", PHP_INI_ALL, OnUpdateDecode, decode_unicode_le, zend_exif_globals, exif_globals) |
142 | | STD_PHP_INI_ENTRY("exif.encode_jis", "", PHP_INI_ALL, OnUpdateEncode, encode_jis, zend_exif_globals, exif_globals) |
143 | | STD_PHP_INI_ENTRY("exif.decode_jis_motorola", "JIS", PHP_INI_ALL, OnUpdateDecode, decode_jis_be, zend_exif_globals, exif_globals) |
144 | | STD_PHP_INI_ENTRY("exif.decode_jis_intel", "JIS", PHP_INI_ALL, OnUpdateDecode, decode_jis_le, zend_exif_globals, exif_globals) |
145 | | PHP_INI_END() |
146 | | /* }}} */ |
147 | | |
148 | | /* {{{ PHP_GINIT_FUNCTION */ |
149 | | static PHP_GINIT_FUNCTION(exif) |
150 | 16 | { |
151 | | #if defined(COMPILE_DL_EXIF) && defined(ZTS) |
152 | | ZEND_TSRMLS_CACHE_UPDATE(); |
153 | | #endif |
154 | 16 | exif_globals->encode_unicode = NULL; |
155 | 16 | exif_globals->decode_unicode_be = NULL; |
156 | 16 | exif_globals->decode_unicode_le = NULL; |
157 | 16 | exif_globals->encode_jis = NULL; |
158 | 16 | exif_globals->decode_jis_be = NULL; |
159 | 16 | exif_globals->decode_jis_le = NULL; |
160 | 16 | exif_globals->tag_table_cache = NULL; |
161 | 16 | } |
162 | | /* }}} */ |
163 | | |
164 | | /* {{{ PHP_MINIT_FUNCTION(exif) */ |
165 | | PHP_MINIT_FUNCTION(exif) |
166 | 16 | { |
167 | 16 | REGISTER_INI_ENTRIES(); |
168 | | |
169 | 16 | register_exif_symbols(module_number); |
170 | | |
171 | 16 | return SUCCESS; |
172 | 16 | } |
173 | | /* }}} */ |
174 | | |
175 | | /* {{{ PHP_MSHUTDOWN_FUNCTION */ |
176 | | PHP_MSHUTDOWN_FUNCTION(exif) |
177 | 0 | { |
178 | 0 | UNREGISTER_INI_ENTRIES(); |
179 | 0 | if (EXIF_G(tag_table_cache)) { |
180 | 0 | zend_hash_destroy(EXIF_G(tag_table_cache)); |
181 | 0 | free(EXIF_G(tag_table_cache)); |
182 | 0 | } |
183 | 0 | return SUCCESS; |
184 | 0 | } |
185 | | /* }}} */ |
186 | | |
187 | | /* {{{ exif dependencies */ |
188 | | static const zend_module_dep exif_module_deps[] = { |
189 | | ZEND_MOD_REQUIRED("standard") |
190 | | ZEND_MOD_OPTIONAL("mbstring") |
191 | | ZEND_MOD_END |
192 | | }; |
193 | | /* }}} */ |
194 | | |
195 | | /* {{{ exif_module_entry */ |
196 | | zend_module_entry exif_module_entry = { |
197 | | STANDARD_MODULE_HEADER_EX, NULL, |
198 | | exif_module_deps, |
199 | | "exif", |
200 | | ext_functions, |
201 | | PHP_MINIT(exif), |
202 | | PHP_MSHUTDOWN(exif), |
203 | | NULL, NULL, |
204 | | PHP_MINFO(exif), |
205 | | PHP_EXIF_VERSION, |
206 | | PHP_MODULE_GLOBALS(exif), |
207 | | PHP_GINIT(exif), |
208 | | NULL, |
209 | | NULL, |
210 | | STANDARD_MODULE_PROPERTIES_EX |
211 | | }; |
212 | | /* }}} */ |
213 | | |
214 | | #ifdef COMPILE_DL_EXIF |
215 | | ZEND_GET_MODULE(exif) |
216 | | #endif |
217 | | |
218 | | /* php_stream_read() may return early without reading all data, depending on the chunk size |
219 | | * and whether it's a URL stream or not. This helper keeps reading until the requested amount |
220 | | * is read or until there is no more data available to read. */ |
221 | | static ssize_t exif_read_from_stream_file_looped(php_stream *stream, char *buf, size_t count) |
222 | 989k | { |
223 | 989k | size_t total_read = 0; |
224 | 1.66M | while (total_read < count) { |
225 | 679k | ssize_t ret = php_stream_read(stream, buf + total_read, count - total_read); |
226 | 679k | if (ret == -1) { |
227 | 0 | return -1; |
228 | 0 | } |
229 | 679k | if (ret == 0) { |
230 | 158 | break; |
231 | 158 | } |
232 | 678k | total_read += ret; |
233 | 678k | } |
234 | 989k | return total_read; |
235 | 989k | } |
236 | | |
237 | | /* }}} */ |
238 | | |
239 | | /* {{{ error messages */ |
240 | | static const char *const EXIF_ERROR_FILEEOF = "Unexpected end of file reached"; |
241 | | static const char *const EXIF_ERROR_CORRUPT = "File structure corrupted"; |
242 | | static const char *const EXIF_ERROR_THUMBEOF = "Thumbnail goes IFD boundary or end of file reached"; |
243 | | static const char *const EXIF_ERROR_FSREALLOC = "Illegal reallocating of undefined file section"; |
244 | | |
245 | 32 | #define EXIF_ERRLOG_FILEEOF(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FILEEOF); |
246 | 806 | #define EXIF_ERRLOG_CORRUPT(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_CORRUPT); |
247 | 0 | #define EXIF_ERRLOG_THUMBEOF(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_THUMBEOF); |
248 | 0 | #define EXIF_ERRLOG_FSREALLOC(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FSREALLOC); |
249 | | /* }}} */ |
250 | | |
251 | | /* {{{ format description defines |
252 | | Describes format descriptor |
253 | | */ |
254 | | static const int php_tiff_bytes_per_format[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 1}; |
255 | 18.9M | #define NUM_FORMATS 13 |
256 | | |
257 | 16.4M | #define TAG_FMT_BYTE 1 |
258 | 2.04M | #define TAG_FMT_STRING 2 |
259 | 5.65M | #define TAG_FMT_USHORT 3 |
260 | 3.00M | #define TAG_FMT_ULONG 4 |
261 | 59.2k | #define TAG_FMT_URATIONAL 5 |
262 | 648k | #define TAG_FMT_SBYTE 6 |
263 | 98.6k | #define TAG_FMT_UNDEFINED 7 |
264 | 895k | #define TAG_FMT_SSHORT 8 |
265 | 697k | #define TAG_FMT_SLONG 9 |
266 | 276k | #define TAG_FMT_SRATIONAL 10 |
267 | 765k | #define TAG_FMT_SINGLE 11 |
268 | 397k | #define TAG_FMT_DOUBLE 12 |
269 | 152 | #define TAG_FMT_IFD 13 |
270 | | |
271 | | #ifdef EXIF_DEBUG |
272 | | static char *exif_get_tagformat(int format) |
273 | | { |
274 | | switch(format) { |
275 | | case TAG_FMT_BYTE: return "BYTE"; |
276 | | case TAG_FMT_STRING: return "STRING"; |
277 | | case TAG_FMT_USHORT: return "USHORT"; |
278 | | case TAG_FMT_ULONG: return "ULONG"; |
279 | | case TAG_FMT_URATIONAL: return "URATIONAL"; |
280 | | case TAG_FMT_SBYTE: return "SBYTE"; |
281 | | case TAG_FMT_UNDEFINED: return "UNDEFINED"; |
282 | | case TAG_FMT_SSHORT: return "SSHORT"; |
283 | | case TAG_FMT_SLONG: return "SLONG"; |
284 | | case TAG_FMT_SRATIONAL: return "SRATIONAL"; |
285 | | case TAG_FMT_SINGLE: return "SINGLE"; |
286 | | case TAG_FMT_DOUBLE: return "DOUBLE"; |
287 | | case TAG_FMT_IFD: return "IFD"; |
288 | | } |
289 | | return "*Illegal"; |
290 | | } |
291 | | #endif |
292 | | |
293 | | /* Describes tag values */ |
294 | | #define TAG_GPS_VERSION_ID 0x0000 |
295 | | #define TAG_GPS_LATITUDE_REF 0x0001 |
296 | | #define TAG_GPS_LATITUDE 0x0002 |
297 | | #define TAG_GPS_LONGITUDE_REF 0x0003 |
298 | | #define TAG_GPS_LONGITUDE 0x0004 |
299 | | #define TAG_GPS_ALTITUDE_REF 0x0005 |
300 | | #define TAG_GPS_ALTITUDE 0x0006 |
301 | | #define TAG_GPS_TIME_STAMP 0x0007 |
302 | | #define TAG_GPS_SATELLITES 0x0008 |
303 | | #define TAG_GPS_STATUS 0x0009 |
304 | | #define TAG_GPS_MEASURE_MODE 0x000A |
305 | | #define TAG_GPS_DOP 0x000B |
306 | | #define TAG_GPS_SPEED_REF 0x000C |
307 | | #define TAG_GPS_SPEED 0x000D |
308 | | #define TAG_GPS_TRACK_REF 0x000E |
309 | | #define TAG_GPS_TRACK 0x000F |
310 | | #define TAG_GPS_IMG_DIRECTION_REF 0x0010 |
311 | | #define TAG_GPS_IMG_DIRECTION 0x0011 |
312 | | #define TAG_GPS_MAP_DATUM 0x0012 |
313 | | #define TAG_GPS_DEST_LATITUDE_REF 0x0013 |
314 | | #define TAG_GPS_DEST_LATITUDE 0x0014 |
315 | | #define TAG_GPS_DEST_LONGITUDE_REF 0x0015 |
316 | | #define TAG_GPS_DEST_LONGITUDE 0x0016 |
317 | | #define TAG_GPS_DEST_BEARING_REF 0x0017 |
318 | | #define TAG_GPS_DEST_BEARING 0x0018 |
319 | | #define TAG_GPS_DEST_DISTANCE_REF 0x0019 |
320 | | #define TAG_GPS_DEST_DISTANCE 0x001A |
321 | | #define TAG_GPS_PROCESSING_METHOD 0x001B |
322 | | #define TAG_GPS_AREA_INFORMATION 0x001C |
323 | | #define TAG_GPS_DATE_STAMP 0x001D |
324 | | #define TAG_GPS_DIFFERENTIAL 0x001E |
325 | | #define TAG_TIFF_COMMENT 0x00FE /* SHOULDN'T HAPPEN */ |
326 | | #define TAG_NEW_SUBFILE 0x00FE /* New version of subfile tag */ |
327 | | #define TAG_SUBFILE_TYPE 0x00FF /* Old version of subfile tag */ |
328 | 52.8k | #define TAG_IMAGEWIDTH 0x0100 |
329 | 13.1k | #define TAG_IMAGEHEIGHT 0x0101 |
330 | | #define TAG_BITS_PER_SAMPLE 0x0102 |
331 | | #define TAG_COMPRESSION 0x0103 |
332 | 6.10k | #define TAG_PHOTOMETRIC_INTERPRETATION 0x0106 |
333 | | #define TAG_THRESHOLDING 0x0107 |
334 | | #define TAG_CELL_WIDTH 0x0108 |
335 | | #define TAG_CELL_HEIGHT 0x0109 |
336 | | #define TAG_FILL_ORDER 0x010A |
337 | | #define TAG_DOCUMENT_NAME 0x010D |
338 | | #define TAG_IMAGE_DESCRIPTION 0x010E |
339 | 3.91k | #define TAG_MAKE 0x010F |
340 | 347 | #define TAG_MODEL 0x0110 |
341 | 2.03k | #define TAG_STRIP_OFFSETS 0x0111 |
342 | | #define TAG_ORIENTATION 0x0112 |
343 | | #define TAG_SAMPLES_PER_PIXEL 0x0115 |
344 | | #define TAG_ROWS_PER_STRIP 0x0116 |
345 | 4.89k | #define TAG_STRIP_BYTE_COUNTS 0x0117 |
346 | | #define TAG_MIN_SAMPLE_VALUE 0x0118 |
347 | | #define TAG_MAX_SAMPLE_VALUE 0x0119 |
348 | | #define TAG_X_RESOLUTION 0x011A |
349 | | #define TAG_Y_RESOLUTION 0x011B |
350 | | #define TAG_PLANAR_CONFIGURATION 0x011C |
351 | | #define TAG_PAGE_NAME 0x011D |
352 | | #define TAG_X_POSITION 0x011E |
353 | | #define TAG_Y_POSITION 0x011F |
354 | | #define TAG_FREE_OFFSETS 0x0120 |
355 | | #define TAG_FREE_BYTE_COUNTS 0x0121 |
356 | | #define TAG_GRAY_RESPONSE_UNIT 0x0122 |
357 | | #define TAG_GRAY_RESPONSE_CURVE 0x0123 |
358 | | #define TAG_RESOLUTION_UNIT 0x0128 |
359 | | #define TAG_PAGE_NUMBER 0x0129 |
360 | | #define TAG_TRANSFER_FUNCTION 0x012D |
361 | | #define TAG_SOFTWARE 0x0131 |
362 | | #define TAG_DATETIME 0x0132 |
363 | | #define TAG_ARTIST 0x013B |
364 | | #define TAG_HOST_COMPUTER 0x013C |
365 | | #define TAG_PREDICTOR 0x013D |
366 | | #define TAG_WHITE_POINT 0x013E |
367 | | #define TAG_PRIMARY_CHROMATICITIES 0x013F |
368 | | #define TAG_COLOR_MAP 0x0140 |
369 | | #define TAG_HALFTONE_HINTS 0x0141 |
370 | | #define TAG_TILE_WIDTH 0x0142 |
371 | | #define TAG_TILE_LENGTH 0x0143 |
372 | | #define TAG_TILE_OFFSETS 0x0144 |
373 | | #define TAG_TILE_BYTE_COUNTS 0x0145 |
374 | 349k | #define TAG_SUB_IFD 0x014A |
375 | | #define TAG_INK_SET 0x014C |
376 | | #define TAG_INK_NAMES 0x014D |
377 | | #define TAG_NUMBER_OF_INKS 0x014E |
378 | | #define TAG_DOT_RANGE 0x0150 |
379 | | #define TAG_TARGET_PRINTER 0x0151 |
380 | | #define TAG_EXTRA_SAMPLE 0x0152 |
381 | | #define TAG_SAMPLE_FORMAT 0x0153 |
382 | | #define TAG_S_MIN_SAMPLE_VALUE 0x0154 |
383 | | #define TAG_S_MAX_SAMPLE_VALUE 0x0155 |
384 | | #define TAG_TRANSFER_RANGE 0x0156 |
385 | | #define TAG_JPEG_TABLES 0x015B |
386 | | #define TAG_JPEG_PROC 0x0200 |
387 | 4.08k | #define TAG_JPEG_INTERCHANGE_FORMAT 0x0201 |
388 | 1.62k | #define TAG_JPEG_INTERCHANGE_FORMAT_LEN 0x0202 |
389 | | #define TAG_JPEG_RESTART_INTERVAL 0x0203 |
390 | | #define TAG_JPEG_LOSSLESS_PREDICTOR 0x0205 |
391 | | #define TAG_JPEG_POINT_TRANSFORMS 0x0206 |
392 | | #define TAG_JPEG_Q_TABLES 0x0207 |
393 | | #define TAG_JPEG_DC_TABLES 0x0208 |
394 | | #define TAG_JPEG_AC_TABLES 0x0209 |
395 | | #define TAG_YCC_COEFFICIENTS 0x0211 |
396 | | #define TAG_YCC_SUB_SAMPLING 0x0212 |
397 | | #define TAG_YCC_POSITIONING 0x0213 |
398 | | #define TAG_REFERENCE_BLACK_WHITE 0x0214 |
399 | | /* 0x0301 - 0x0302 */ |
400 | | /* 0x0320 */ |
401 | | /* 0x0343 */ |
402 | | /* 0x5001 - 0x501B */ |
403 | | /* 0x5021 - 0x503B */ |
404 | | /* 0x5090 - 0x5091 */ |
405 | | /* 0x5100 - 0x5101 */ |
406 | | /* 0x5110 - 0x5113 */ |
407 | | /* 0x80E3 - 0x80E6 */ |
408 | | /* 0x828d - 0x828F */ |
409 | 2.97k | #define TAG_COPYRIGHT 0x8298 |
410 | 506 | #define TAG_EXPOSURETIME 0x829A |
411 | 1.01k | #define TAG_FNUMBER 0x829D |
412 | 842k | #define TAG_EXIF_IFD_POINTER 0x8769 |
413 | | #define TAG_ICC_PROFILE 0x8773 |
414 | | #define TAG_EXPOSURE_PROGRAM 0x8822 |
415 | | #define TAG_SPECTRAL_SENSITIVITY 0x8824 |
416 | 598k | #define TAG_GPS_IFD_POINTER 0x8825 |
417 | | #define TAG_ISOSPEED 0x8827 |
418 | | #define TAG_OPTOELECTRIC_CONVERSION_F 0x8828 |
419 | | /* 0x8829 - 0x882b */ |
420 | | #define TAG_EXIFVERSION 0x9000 |
421 | | #define TAG_DATE_TIME_ORIGINAL 0x9003 |
422 | | #define TAG_DATE_TIME_DIGITIZED 0x9004 |
423 | | #define TAG_OFFSET_TIME 0x9010 |
424 | | #define TAG_OFFSET_TIME_ORIGINAL 0x9011 |
425 | | #define TAG_OFFSET_TIME_DIGITIZED 0x9012 |
426 | | #define TAG_COMPONENT_CONFIG 0x9101 |
427 | | #define TAG_COMPRESSED_BITS_PER_PIXEL 0x9102 |
428 | 1.59k | #define TAG_SHUTTERSPEED 0x9201 |
429 | 823 | #define TAG_APERTURE 0x9202 |
430 | | #define TAG_BRIGHTNESS_VALUE 0x9203 |
431 | | #define TAG_EXPOSURE_BIAS_VALUE 0x9204 |
432 | 1.25k | #define TAG_MAX_APERTURE 0x9205 |
433 | 1.62k | #define TAG_SUBJECT_DISTANCE 0x9206 |
434 | | #define TAG_METRIC_MODULE 0x9207 |
435 | | #define TAG_LIGHT_SOURCE 0x9208 |
436 | | #define TAG_FLASH 0x9209 |
437 | | #define TAG_FOCAL_LENGTH 0x920A |
438 | | /* 0x920B - 0x920D */ |
439 | | /* 0x9211 - 0x9216 */ |
440 | | #define TAG_SUBJECT_AREA 0x9214 |
441 | 56.7k | #define TAG_MAKER_NOTE 0x927C |
442 | 4.28k | #define TAG_USERCOMMENT 0x9286 |
443 | | #define TAG_SUB_SEC_TIME 0x9290 |
444 | | #define TAG_SUB_SEC_TIME_ORIGINAL 0x9291 |
445 | | #define TAG_SUB_SEC_TIME_DIGITIZED 0x9292 |
446 | | /* 0x923F */ |
447 | | /* 0x935C */ |
448 | 1.37k | #define TAG_XP_TITLE 0x9C9B |
449 | 1.97k | #define TAG_XP_COMMENTS 0x9C9C |
450 | 2.74k | #define TAG_XP_AUTHOR 0x9C9D |
451 | 3.56k | #define TAG_XP_KEYWORDS 0x9C9E |
452 | 4.18k | #define TAG_XP_SUBJECT 0x9C9F |
453 | | #define TAG_FLASH_PIX_VERSION 0xA000 |
454 | | #define TAG_COLOR_SPACE 0xA001 |
455 | 59.8k | #define TAG_COMP_IMAGE_WIDTH 0xA002 /* compressed images only */ |
456 | 15.2k | #define TAG_COMP_IMAGE_HEIGHT 0xA003 |
457 | | #define TAG_RELATED_SOUND_FILE 0xA004 |
458 | 630k | #define TAG_INTEROP_IFD_POINTER 0xA005 /* IFD pointer */ |
459 | | #define TAG_FLASH_ENERGY 0xA20B |
460 | | #define TAG_SPATIAL_FREQUENCY_RESPONSE 0xA20C |
461 | 2.99k | #define TAG_FOCALPLANE_X_RES 0xA20E |
462 | | #define TAG_FOCALPLANE_Y_RES 0xA20F |
463 | 5.34k | #define TAG_FOCALPLANE_RESOLUTION_UNIT 0xA210 |
464 | | #define TAG_SUBJECT_LOCATION 0xA214 |
465 | | #define TAG_EXPOSURE_INDEX 0xA215 |
466 | | #define TAG_SENSING_METHOD 0xA217 |
467 | | #define TAG_FILE_SOURCE 0xA300 |
468 | | #define TAG_SCENE_TYPE 0xA301 |
469 | | #define TAG_CFA_PATTERN 0xA302 |
470 | | #define TAG_CUSTOM_RENDERED 0xA401 |
471 | | #define TAG_EXPOSURE_MODE 0xA402 |
472 | | #define TAG_WHITE_BALANCE 0xA403 |
473 | | #define TAG_DIGITAL_ZOOM_RATIO 0xA404 |
474 | | #define TAG_FOCAL_LENGTH_IN_35_MM_FILM 0xA405 |
475 | | #define TAG_SCENE_CAPTURE_TYPE 0xA406 |
476 | | #define TAG_GAIN_CONTROL 0xA407 |
477 | | #define TAG_CONTRAST 0xA408 |
478 | | #define TAG_SATURATION 0xA409 |
479 | | #define TAG_SHARPNESS 0xA40A |
480 | | #define TAG_DEVICE_SETTING_DESCRIPTION 0xA40B |
481 | | #define TAG_SUBJECT_DISTANCE_RANGE 0xA40C |
482 | | #define TAG_IMAGE_UNIQUE_ID 0xA420 |
483 | | |
484 | | /* Olympus specific tags */ |
485 | | #define TAG_OLYMPUS_SPECIALMODE 0x0200 |
486 | | #define TAG_OLYMPUS_JPEGQUAL 0x0201 |
487 | | #define TAG_OLYMPUS_MACRO 0x0202 |
488 | | #define TAG_OLYMPUS_DIGIZOOM 0x0204 |
489 | | #define TAG_OLYMPUS_SOFTWARERELEASE 0x0207 |
490 | | #define TAG_OLYMPUS_PICTINFO 0x0208 |
491 | | #define TAG_OLYMPUS_CAMERAID 0x0209 |
492 | | /* end Olympus specific tags */ |
493 | | |
494 | | /* Internal */ |
495 | 37.8k | #define TAG_NONE -1 /* note that -1 <> 0xFFFF */ |
496 | 582k | #define TAG_COMPUTED_VALUE -2 |
497 | 718 | #define TAG_END_OF_LIST 0xFFFD |
498 | | |
499 | | /* Values for TAG_PHOTOMETRIC_INTERPRETATION */ |
500 | 1.32k | #define PMI_BLACK_IS_ZERO 0 |
501 | 2.00k | #define PMI_WHITE_IS_ZERO 1 |
502 | 608 | #define PMI_RGB 2 |
503 | 1.27k | #define PMI_PALETTE_COLOR 3 |
504 | 2.56k | #define PMI_TRANSPARENCY_MASK 4 |
505 | 1.84k | #define PMI_SEPARATED 5 |
506 | 2.41k | #define PMI_YCBCR 6 |
507 | 2.64k | #define PMI_CIELAB 8 |
508 | | |
509 | | /* }}} */ |
510 | | |
511 | | /* {{{ TabTable[] */ |
512 | | typedef const struct { |
513 | | unsigned short Tag; |
514 | | char *Desc; |
515 | | } tag_info_type; |
516 | | |
517 | | typedef tag_info_type tag_info_array[]; |
518 | | typedef tag_info_type *tag_table_type; |
519 | | |
520 | | #define TAG_TABLE_END \ |
521 | | {TAG_NONE, "No tag value"},\ |
522 | | {TAG_COMPUTED_VALUE, "Computed value"},\ |
523 | | {TAG_END_OF_LIST, ""} /* Important for exif_get_tagname() IF value != "" function result is != false */ |
524 | | |
525 | | static tag_info_array tag_table_IFD = { |
526 | | { 0x000B, "ACDComment"}, |
527 | | { 0x00FE, "NewSubFile"}, /* better name it 'ImageType' ? */ |
528 | | { 0x00FF, "SubFile"}, |
529 | | { 0x0100, "ImageWidth"}, |
530 | | { 0x0101, "ImageLength"}, |
531 | | { 0x0102, "BitsPerSample"}, |
532 | | { 0x0103, "Compression"}, |
533 | | { 0x0106, "PhotometricInterpretation"}, |
534 | | { 0x010A, "FillOrder"}, |
535 | | { 0x010D, "DocumentName"}, |
536 | | { 0x010E, "ImageDescription"}, |
537 | | { 0x010F, "Make"}, |
538 | | { 0x0110, "Model"}, |
539 | | { 0x0111, "StripOffsets"}, |
540 | | { 0x0112, "Orientation"}, |
541 | | { 0x0115, "SamplesPerPixel"}, |
542 | | { 0x0116, "RowsPerStrip"}, |
543 | | { 0x0117, "StripByteCounts"}, |
544 | | { 0x0118, "MinSampleValue"}, |
545 | | { 0x0119, "MaxSampleValue"}, |
546 | | { 0x011A, "XResolution"}, |
547 | | { 0x011B, "YResolution"}, |
548 | | { 0x011C, "PlanarConfiguration"}, |
549 | | { 0x011D, "PageName"}, |
550 | | { 0x011E, "XPosition"}, |
551 | | { 0x011F, "YPosition"}, |
552 | | { 0x0120, "FreeOffsets"}, |
553 | | { 0x0121, "FreeByteCounts"}, |
554 | | { 0x0122, "GrayResponseUnit"}, |
555 | | { 0x0123, "GrayResponseCurve"}, |
556 | | { 0x0124, "T4Options"}, |
557 | | { 0x0125, "T6Options"}, |
558 | | { 0x0128, "ResolutionUnit"}, |
559 | | { 0x0129, "PageNumber"}, |
560 | | { 0x012D, "TransferFunction"}, |
561 | | { 0x0131, "Software"}, |
562 | | { 0x0132, "DateTime"}, |
563 | | { 0x013B, "Artist"}, |
564 | | { 0x013C, "HostComputer"}, |
565 | | { 0x013D, "Predictor"}, |
566 | | { 0x013E, "WhitePoint"}, |
567 | | { 0x013F, "PrimaryChromaticities"}, |
568 | | { 0x0140, "ColorMap"}, |
569 | | { 0x0141, "HalfToneHints"}, |
570 | | { 0x0142, "TileWidth"}, |
571 | | { 0x0143, "TileLength"}, |
572 | | { 0x0144, "TileOffsets"}, |
573 | | { 0x0145, "TileByteCounts"}, |
574 | | { 0x014A, "SubIFD"}, |
575 | | { 0x014C, "InkSet"}, |
576 | | { 0x014D, "InkNames"}, |
577 | | { 0x014E, "NumberOfInks"}, |
578 | | { 0x0150, "DotRange"}, |
579 | | { 0x0151, "TargetPrinter"}, |
580 | | { 0x0152, "ExtraSample"}, |
581 | | { 0x0153, "SampleFormat"}, |
582 | | { 0x0154, "SMinSampleValue"}, |
583 | | { 0x0155, "SMaxSampleValue"}, |
584 | | { 0x0156, "TransferRange"}, |
585 | | { 0x0157, "ClipPath"}, |
586 | | { 0x0158, "XClipPathUnits"}, |
587 | | { 0x0159, "YClipPathUnits"}, |
588 | | { 0x015A, "Indexed"}, |
589 | | { 0x015B, "JPEGTables"}, |
590 | | { 0x015F, "OPIProxy"}, |
591 | | { 0x0200, "JPEGProc"}, |
592 | | { 0x0201, "JPEGInterchangeFormat"}, |
593 | | { 0x0202, "JPEGInterchangeFormatLength"}, |
594 | | { 0x0203, "JPEGRestartInterval"}, |
595 | | { 0x0205, "JPEGLosslessPredictors"}, |
596 | | { 0x0206, "JPEGPointTransforms"}, |
597 | | { 0x0207, "JPEGQTables"}, |
598 | | { 0x0208, "JPEGDCTables"}, |
599 | | { 0x0209, "JPEGACTables"}, |
600 | | { 0x0211, "YCbCrCoefficients"}, |
601 | | { 0x0212, "YCbCrSubSampling"}, |
602 | | { 0x0213, "YCbCrPositioning"}, |
603 | | { 0x0214, "ReferenceBlackWhite"}, |
604 | | { 0x02BC, "ExtensibleMetadataPlatform"}, /* XAP: Extensible Authoring Publishing, obsoleted by XMP: Extensible Metadata Platform */ |
605 | | { 0x0301, "Gamma"}, |
606 | | { 0x0302, "ICCProfileDescriptor"}, |
607 | | { 0x0303, "SRGBRenderingIntent"}, |
608 | | { 0x0320, "ImageTitle"}, |
609 | | { 0x5001, "ResolutionXUnit"}, |
610 | | { 0x5002, "ResolutionYUnit"}, |
611 | | { 0x5003, "ResolutionXLengthUnit"}, |
612 | | { 0x5004, "ResolutionYLengthUnit"}, |
613 | | { 0x5005, "PrintFlags"}, |
614 | | { 0x5006, "PrintFlagsVersion"}, |
615 | | { 0x5007, "PrintFlagsCrop"}, |
616 | | { 0x5008, "PrintFlagsBleedWidth"}, |
617 | | { 0x5009, "PrintFlagsBleedWidthScale"}, |
618 | | { 0x500A, "HalftoneLPI"}, |
619 | | { 0x500B, "HalftoneLPIUnit"}, |
620 | | { 0x500C, "HalftoneDegree"}, |
621 | | { 0x500D, "HalftoneShape"}, |
622 | | { 0x500E, "HalftoneMisc"}, |
623 | | { 0x500F, "HalftoneScreen"}, |
624 | | { 0x5010, "JPEGQuality"}, |
625 | | { 0x5011, "GridSize"}, |
626 | | { 0x5012, "ThumbnailFormat"}, |
627 | | { 0x5013, "ThumbnailWidth"}, |
628 | | { 0x5014, "ThumbnailHeight"}, |
629 | | { 0x5015, "ThumbnailColorDepth"}, |
630 | | { 0x5016, "ThumbnailPlanes"}, |
631 | | { 0x5017, "ThumbnailRawBytes"}, |
632 | | { 0x5018, "ThumbnailSize"}, |
633 | | { 0x5019, "ThumbnailCompressedSize"}, |
634 | | { 0x501A, "ColorTransferFunction"}, |
635 | | { 0x501B, "ThumbnailData"}, |
636 | | { 0x5020, "ThumbnailImageWidth"}, |
637 | | { 0x5021, "ThumbnailImageHeight"}, |
638 | | { 0x5022, "ThumbnailBitsPerSample"}, |
639 | | { 0x5023, "ThumbnailCompression"}, |
640 | | { 0x5024, "ThumbnailPhotometricInterp"}, |
641 | | { 0x5025, "ThumbnailImageDescription"}, |
642 | | { 0x5026, "ThumbnailEquipMake"}, |
643 | | { 0x5027, "ThumbnailEquipModel"}, |
644 | | { 0x5028, "ThumbnailStripOffsets"}, |
645 | | { 0x5029, "ThumbnailOrientation"}, |
646 | | { 0x502A, "ThumbnailSamplesPerPixel"}, |
647 | | { 0x502B, "ThumbnailRowsPerStrip"}, |
648 | | { 0x502C, "ThumbnailStripBytesCount"}, |
649 | | { 0x502D, "ThumbnailResolutionX"}, |
650 | | { 0x502E, "ThumbnailResolutionY"}, |
651 | | { 0x502F, "ThumbnailPlanarConfig"}, |
652 | | { 0x5030, "ThumbnailResolutionUnit"}, |
653 | | { 0x5031, "ThumbnailTransferFunction"}, |
654 | | { 0x5032, "ThumbnailSoftwareUsed"}, |
655 | | { 0x5033, "ThumbnailDateTime"}, |
656 | | { 0x5034, "ThumbnailArtist"}, |
657 | | { 0x5035, "ThumbnailWhitePoint"}, |
658 | | { 0x5036, "ThumbnailPrimaryChromaticities"}, |
659 | | { 0x5037, "ThumbnailYCbCrCoefficients"}, |
660 | | { 0x5038, "ThumbnailYCbCrSubsampling"}, |
661 | | { 0x5039, "ThumbnailYCbCrPositioning"}, |
662 | | { 0x503A, "ThumbnailRefBlackWhite"}, |
663 | | { 0x503B, "ThumbnailCopyRight"}, |
664 | | { 0x5090, "LuminanceTable"}, |
665 | | { 0x5091, "ChrominanceTable"}, |
666 | | { 0x5100, "FrameDelay"}, |
667 | | { 0x5101, "LoopCount"}, |
668 | | { 0x5110, "PixelUnit"}, |
669 | | { 0x5111, "PixelPerUnitX"}, |
670 | | { 0x5112, "PixelPerUnitY"}, |
671 | | { 0x5113, "PaletteHistogram"}, |
672 | | { 0x1000, "RelatedImageFileFormat"}, |
673 | | { 0x800D, "ImageID"}, |
674 | | { 0x80E3, "Matteing"}, /* obsoleted by ExtraSamples */ |
675 | | { 0x80E4, "DataType"}, /* obsoleted by SampleFormat */ |
676 | | { 0x80E5, "ImageDepth"}, |
677 | | { 0x80E6, "TileDepth"}, |
678 | | { 0x828D, "CFARepeatPatternDim"}, |
679 | | { 0x828E, "CFAPattern"}, |
680 | | { 0x828F, "BatteryLevel"}, |
681 | | { 0x8298, "Copyright"}, |
682 | | { 0x829A, "ExposureTime"}, |
683 | | { 0x829D, "FNumber"}, |
684 | | { 0x83BB, "IPTC/NAA"}, |
685 | | { 0x84E3, "IT8RasterPadding"}, |
686 | | { 0x84E5, "IT8ColorTable"}, |
687 | | { 0x8649, "ImageResourceInformation"}, /* PhotoShop */ |
688 | | { 0x8769, "Exif_IFD_Pointer"}, |
689 | | { 0x8773, "ICC_Profile"}, |
690 | | { 0x8822, "ExposureProgram"}, |
691 | | { 0x8824, "SpectralSensitivity"}, |
692 | | { 0x8825, "GPS_IFD_Pointer"}, |
693 | | { 0x8827, "ISOSpeedRatings"}, |
694 | | { 0x8828, "OECF"}, |
695 | | { 0x9000, "ExifVersion"}, |
696 | | { 0x9003, "DateTimeOriginal"}, |
697 | | { 0x9004, "DateTimeDigitized"}, |
698 | | { 0x9010, "OffsetTime"}, |
699 | | { 0x9011, "OffsetTimeOriginal"}, |
700 | | { 0x9012, "OffsetTimeDigitized"}, |
701 | | { 0x9101, "ComponentsConfiguration"}, |
702 | | { 0x9102, "CompressedBitsPerPixel"}, |
703 | | { 0x9201, "ShutterSpeedValue"}, |
704 | | { 0x9202, "ApertureValue"}, |
705 | | { 0x9203, "BrightnessValue"}, |
706 | | { 0x9204, "ExposureBiasValue"}, |
707 | | { 0x9205, "MaxApertureValue"}, |
708 | | { 0x9206, "SubjectDistance"}, |
709 | | { 0x9207, "MeteringMode"}, |
710 | | { 0x9208, "LightSource"}, |
711 | | { 0x9209, "Flash"}, |
712 | | { 0x920A, "FocalLength"}, |
713 | | { 0x920B, "FlashEnergy"}, /* 0xA20B in JPEG */ |
714 | | { 0x920C, "SpatialFrequencyResponse"}, /* 0xA20C - - */ |
715 | | { 0x920D, "Noise"}, |
716 | | { 0x920E, "FocalPlaneXResolution"}, /* 0xA20E - - */ |
717 | | { 0x920F, "FocalPlaneYResolution"}, /* 0xA20F - - */ |
718 | | { 0x9210, "FocalPlaneResolutionUnit"}, /* 0xA210 - - */ |
719 | | { 0x9211, "ImageNumber"}, |
720 | | { 0x9212, "SecurityClassification"}, |
721 | | { 0x9213, "ImageHistory"}, |
722 | | { 0x9214, "SubjectLocation"}, /* 0xA214 - - */ |
723 | | { 0x9215, "ExposureIndex"}, /* 0xA215 - - */ |
724 | | { 0x9216, "TIFF/EPStandardID"}, |
725 | | { 0x9217, "SensingMethod"}, /* 0xA217 - - */ |
726 | | { 0x923F, "StoNits"}, |
727 | | { 0x927C, "MakerNote"}, |
728 | | { 0x9286, "UserComment"}, |
729 | | { 0x9290, "SubSecTime"}, |
730 | | { 0x9291, "SubSecTimeOriginal"}, |
731 | | { 0x9292, "SubSecTimeDigitized"}, |
732 | | { 0x935C, "ImageSourceData"}, /* "Adobe Photoshop Document Data Block": 8BIM... */ |
733 | | { 0x9c9b, "Title" }, /* Win XP specific, Unicode */ |
734 | | { 0x9c9c, "Comments" }, /* Win XP specific, Unicode */ |
735 | | { 0x9c9d, "Author" }, /* Win XP specific, Unicode */ |
736 | | { 0x9c9e, "Keywords" }, /* Win XP specific, Unicode */ |
737 | | { 0x9c9f, "Subject" }, /* Win XP specific, Unicode, not to be confused with SubjectDistance and SubjectLocation */ |
738 | | { 0xA000, "FlashPixVersion"}, |
739 | | { 0xA001, "ColorSpace"}, |
740 | | { 0xA002, "ExifImageWidth"}, |
741 | | { 0xA003, "ExifImageLength"}, |
742 | | { 0xA004, "RelatedSoundFile"}, |
743 | | { 0xA005, "InteroperabilityOffset"}, |
744 | | { 0xA20B, "FlashEnergy"}, /* 0x920B in TIFF/EP */ |
745 | | { 0xA20C, "SpatialFrequencyResponse"}, /* 0x920C - - */ |
746 | | { 0xA20D, "Noise"}, |
747 | | { 0xA20E, "FocalPlaneXResolution"}, /* 0x920E - - */ |
748 | | { 0xA20F, "FocalPlaneYResolution"}, /* 0x920F - - */ |
749 | | { 0xA210, "FocalPlaneResolutionUnit"}, /* 0x9210 - - */ |
750 | | { 0xA211, "ImageNumber"}, |
751 | | { 0xA212, "SecurityClassification"}, |
752 | | { 0xA213, "ImageHistory"}, |
753 | | { 0xA214, "SubjectLocation"}, /* 0x9214 - - */ |
754 | | { 0xA215, "ExposureIndex"}, /* 0x9215 - - */ |
755 | | { 0xA216, "TIFF/EPStandardID"}, |
756 | | { 0xA217, "SensingMethod"}, /* 0x9217 - - */ |
757 | | { 0xA300, "FileSource"}, |
758 | | { 0xA301, "SceneType"}, |
759 | | { 0xA302, "CFAPattern"}, |
760 | | { 0xA401, "CustomRendered"}, |
761 | | { 0xA402, "ExposureMode"}, |
762 | | { 0xA403, "WhiteBalance"}, |
763 | | { 0xA404, "DigitalZoomRatio"}, |
764 | | { 0xA405, "FocalLengthIn35mmFilm"}, |
765 | | { 0xA406, "SceneCaptureType"}, |
766 | | { 0xA407, "GainControl"}, |
767 | | { 0xA408, "Contrast"}, |
768 | | { 0xA409, "Saturation"}, |
769 | | { 0xA40A, "Sharpness"}, |
770 | | { 0xA40B, "DeviceSettingDescription"}, |
771 | | { 0xA40C, "SubjectDistanceRange"}, |
772 | | { 0xA420, "ImageUniqueID"}, |
773 | | TAG_TABLE_END |
774 | | } ; |
775 | | |
776 | | static tag_info_array tag_table_GPS = { |
777 | | { 0x0000, "GPSVersion"}, |
778 | | { 0x0001, "GPSLatitudeRef"}, |
779 | | { 0x0002, "GPSLatitude"}, |
780 | | { 0x0003, "GPSLongitudeRef"}, |
781 | | { 0x0004, "GPSLongitude"}, |
782 | | { 0x0005, "GPSAltitudeRef"}, |
783 | | { 0x0006, "GPSAltitude"}, |
784 | | { 0x0007, "GPSTimeStamp"}, |
785 | | { 0x0008, "GPSSatellites"}, |
786 | | { 0x0009, "GPSStatus"}, |
787 | | { 0x000A, "GPSMeasureMode"}, |
788 | | { 0x000B, "GPSDOP"}, |
789 | | { 0x000C, "GPSSpeedRef"}, |
790 | | { 0x000D, "GPSSpeed"}, |
791 | | { 0x000E, "GPSTrackRef"}, |
792 | | { 0x000F, "GPSTrack"}, |
793 | | { 0x0010, "GPSImgDirectionRef"}, |
794 | | { 0x0011, "GPSImgDirection"}, |
795 | | { 0x0012, "GPSMapDatum"}, |
796 | | { 0x0013, "GPSDestLatitudeRef"}, |
797 | | { 0x0014, "GPSDestLatitude"}, |
798 | | { 0x0015, "GPSDestLongitudeRef"}, |
799 | | { 0x0016, "GPSDestLongitude"}, |
800 | | { 0x0017, "GPSDestBearingRef"}, |
801 | | { 0x0018, "GPSDestBearing"}, |
802 | | { 0x0019, "GPSDestDistanceRef"}, |
803 | | { 0x001A, "GPSDestDistance"}, |
804 | | { 0x001B, "GPSProcessingMode"}, |
805 | | { 0x001C, "GPSAreaInformation"}, |
806 | | { 0x001D, "GPSDateStamp"}, |
807 | | { 0x001E, "GPSDifferential"}, |
808 | | TAG_TABLE_END |
809 | | }; |
810 | | |
811 | | static tag_info_array tag_table_IOP = { |
812 | | { 0x0001, "InterOperabilityIndex"}, /* should be 'R98' or 'THM' */ |
813 | | { 0x0002, "InterOperabilityVersion"}, |
814 | | { 0x1000, "RelatedFileFormat"}, |
815 | | { 0x1001, "RelatedImageWidth"}, |
816 | | { 0x1002, "RelatedImageHeight"}, |
817 | | TAG_TABLE_END |
818 | | }; |
819 | | |
820 | | static tag_info_array tag_table_VND_CANON = { |
821 | | { 0x0001, "ModeArray"}, /* guess */ |
822 | | { 0x0004, "ImageInfo"}, /* guess */ |
823 | | { 0x0006, "ImageType"}, |
824 | | { 0x0007, "FirmwareVersion"}, |
825 | | { 0x0008, "ImageNumber"}, |
826 | | { 0x0009, "OwnerName"}, |
827 | | { 0x000C, "Camera"}, |
828 | | { 0x000F, "CustomFunctions"}, |
829 | | TAG_TABLE_END |
830 | | }; |
831 | | |
832 | | static tag_info_array tag_table_VND_CASIO = { |
833 | | { 0x0001, "RecordingMode"}, |
834 | | { 0x0002, "Quality"}, |
835 | | { 0x0003, "FocusingMode"}, |
836 | | { 0x0004, "FlashMode"}, |
837 | | { 0x0005, "FlashIntensity"}, |
838 | | { 0x0006, "ObjectDistance"}, |
839 | | { 0x0007, "WhiteBalance"}, |
840 | | { 0x000A, "DigitalZoom"}, |
841 | | { 0x000B, "Sharpness"}, |
842 | | { 0x000C, "Contrast"}, |
843 | | { 0x000D, "Saturation"}, |
844 | | { 0x0014, "CCDSensitivity"}, |
845 | | TAG_TABLE_END |
846 | | }; |
847 | | |
848 | | static tag_info_array tag_table_VND_FUJI = { |
849 | | { 0x0000, "Version"}, |
850 | | { 0x1000, "Quality"}, |
851 | | { 0x1001, "Sharpness"}, |
852 | | { 0x1002, "WhiteBalance"}, |
853 | | { 0x1003, "Color"}, |
854 | | { 0x1004, "Tone"}, |
855 | | { 0x1010, "FlashMode"}, |
856 | | { 0x1011, "FlashStrength"}, |
857 | | { 0x1020, "Macro"}, |
858 | | { 0x1021, "FocusMode"}, |
859 | | { 0x1030, "SlowSync"}, |
860 | | { 0x1031, "PictureMode"}, |
861 | | { 0x1100, "ContTake"}, |
862 | | { 0x1300, "BlurWarning"}, |
863 | | { 0x1301, "FocusWarning"}, |
864 | | { 0x1302, "AEWarning "}, |
865 | | TAG_TABLE_END |
866 | | }; |
867 | | |
868 | | static tag_info_array tag_table_VND_NIKON = { |
869 | | { 0x0003, "Quality"}, |
870 | | { 0x0004, "ColorMode"}, |
871 | | { 0x0005, "ImageAdjustment"}, |
872 | | { 0x0006, "CCDSensitivity"}, |
873 | | { 0x0007, "WhiteBalance"}, |
874 | | { 0x0008, "Focus"}, |
875 | | { 0x000a, "DigitalZoom"}, |
876 | | { 0x000b, "Converter"}, |
877 | | TAG_TABLE_END |
878 | | }; |
879 | | |
880 | | static tag_info_array tag_table_VND_NIKON_990 = { |
881 | | { 0x0001, "Version"}, |
882 | | { 0x0002, "ISOSetting"}, |
883 | | { 0x0003, "ColorMode"}, |
884 | | { 0x0004, "Quality"}, |
885 | | { 0x0005, "WhiteBalance"}, |
886 | | { 0x0006, "ImageSharpening"}, |
887 | | { 0x0007, "FocusMode"}, |
888 | | { 0x0008, "FlashSetting"}, |
889 | | { 0x000F, "ISOSelection"}, |
890 | | { 0x0080, "ImageAdjustment"}, |
891 | | { 0x0082, "AuxiliaryLens"}, |
892 | | { 0x0085, "ManualFocusDistance"}, |
893 | | { 0x0086, "DigitalZoom"}, |
894 | | { 0x0088, "AFFocusPosition"}, |
895 | | { 0x0010, "DataDump"}, |
896 | | TAG_TABLE_END |
897 | | }; |
898 | | |
899 | | static tag_info_array tag_table_VND_OLYMPUS = { |
900 | | { 0x0200, "SpecialMode"}, |
901 | | { 0x0201, "JPEGQuality"}, |
902 | | { 0x0202, "Macro"}, |
903 | | { 0x0204, "DigitalZoom"}, |
904 | | { 0x0207, "SoftwareRelease"}, |
905 | | { 0x0208, "PictureInfo"}, |
906 | | { 0x0209, "CameraId"}, |
907 | | { 0x0F00, "DataDump"}, |
908 | | TAG_TABLE_END |
909 | | }; |
910 | | |
911 | | static tag_info_array tag_table_VND_SAMSUNG = { |
912 | | { 0x0001, "Version"}, |
913 | | { 0x0021, "PictureWizard"}, |
914 | | { 0x0030, "LocalLocationName"}, |
915 | | { 0x0031, "LocationName"}, |
916 | | { 0x0035, "Preview"}, |
917 | | { 0x0043, "CameraTemperature"}, |
918 | | { 0xa001, "FirmwareName"}, |
919 | | { 0xa003, "LensType"}, |
920 | | { 0xa004, "LensFirmware"}, |
921 | | { 0xa010, "SensorAreas"}, |
922 | | { 0xa011, "ColorSpace"}, |
923 | | { 0xa012, "SmartRange"}, |
924 | | { 0xa013, "ExposureBiasValue"}, |
925 | | { 0xa014, "ISO"}, |
926 | | { 0xa018, "ExposureTime"}, |
927 | | { 0xa019, "FNumber"}, |
928 | | { 0xa01a, "FocalLengthIn35mmFormat"}, |
929 | | { 0xa020, "EncryptionKey"}, |
930 | | { 0xa021, "WB_RGGBLevelsUncorrected"}, |
931 | | { 0xa022, "WB_RGGBLevelsAuto"}, |
932 | | { 0xa023, "WB_RGGBLevelsIlluminator1"}, |
933 | | { 0xa024, "WB_RGGBLevelsIlluminator2"}, |
934 | | { 0xa028, "WB_RGGBLevelsBlack"}, |
935 | | { 0xa030, "ColorMatrix"}, |
936 | | { 0xa031, "ColorMatrixSRGB"}, |
937 | | { 0xa032, "ColorMatrixAdobeRGB"}, |
938 | | { 0xa040, "ToneCurve1"}, |
939 | | { 0xa041, "ToneCurve2"}, |
940 | | { 0xa042, "ToneCurve3"}, |
941 | | { 0xa043, "ToneCurve4"}, |
942 | | TAG_TABLE_END |
943 | | }; |
944 | | |
945 | | static tag_info_array tag_table_VND_PANASONIC = { |
946 | | { 0x0001, "Quality"}, |
947 | | { 0x0002, "FirmwareVersion"}, |
948 | | { 0x0003, "WhiteBalance"}, |
949 | | { 0x0007, "FocusMode"}, |
950 | | { 0x000f, "AFMode"}, |
951 | | { 0x001a, "ImageStabilization"}, |
952 | | { 0x001c, "Macro"}, |
953 | | { 0x001f, "ShootingMode"}, |
954 | | { 0x0020, "Audio"}, |
955 | | { 0x0021, "DataDump"}, |
956 | | { 0x0023, "WhiteBalanceBias"}, |
957 | | { 0x0024, "FlashBias"}, |
958 | | { 0x0025, "InternalSerialNumber"}, |
959 | | { 0x0026, "ExifVersion"}, |
960 | | { 0x0028, "ColorEffect"}, |
961 | | { 0x0029, "TimeSincePowerOn"}, |
962 | | { 0x002a, "BurstMode"}, |
963 | | { 0x002b, "SequenceNumber"}, |
964 | | { 0x002c, "Contrast"}, |
965 | | { 0x002d, "NoiseReduction"}, |
966 | | { 0x002e, "SelfTimer"}, |
967 | | { 0x0030, "Rotation"}, |
968 | | { 0x0031, "AFAssistLamp"}, |
969 | | { 0x0032, "ColorMode"}, |
970 | | { 0x0033, "BabyAge1"}, |
971 | | { 0x0034, "OpticalZoomMode"}, |
972 | | { 0x0035, "ConversionLens"}, |
973 | | { 0x0036, "TravelDay"}, |
974 | | { 0x0039, "Contrast"}, |
975 | | { 0x003a, "WorldTimeLocation"}, |
976 | | { 0x003b, "TextStamp1"}, |
977 | | { 0x003c, "ProgramISO"}, |
978 | | { 0x003d, "AdvancedSceneType"}, |
979 | | { 0x003e, "TextStamp2"}, |
980 | | { 0x003f, "FacesDetected"}, |
981 | | { 0x0040, "Saturation"}, |
982 | | { 0x0041, "Sharpness"}, |
983 | | { 0x0042, "FilmMode"}, |
984 | | { 0x0044, "ColorTempKelvin"}, |
985 | | { 0x0045, "BracketSettings"}, |
986 | | { 0x0046, "WBAdjustAB"}, |
987 | | { 0x0047, "WBAdjustGM"}, |
988 | | { 0x0048, "FlashCurtain"}, |
989 | | { 0x0049, "LongShutterNoiseReduction"}, |
990 | | { 0x004b, "ImageWidth"}, |
991 | | { 0x004c, "ImageHeight"}, |
992 | | { 0x004d, "AFPointPosition"}, |
993 | | { 0x004e, "FaceDetInfo"}, |
994 | | { 0x0051, "LensType"}, |
995 | | { 0x0052, "LensSerialNumber"}, |
996 | | { 0x0053, "AccessoryType"}, |
997 | | { 0x0054, "AccessorySerialNumber"}, |
998 | | { 0x0059, "Transform1"}, |
999 | | { 0x005d, "IntelligentExposure"}, |
1000 | | { 0x0060, "LensFirmwareVersion"}, |
1001 | | { 0x0061, "FaceRecInfo"}, |
1002 | | { 0x0062, "FlashWarning"}, |
1003 | | { 0x0065, "Title"}, |
1004 | | { 0x0066, "BabyName"}, |
1005 | | { 0x0067, "Location"}, |
1006 | | { 0x0069, "Country"}, |
1007 | | { 0x006b, "State"}, |
1008 | | { 0x006d, "City"}, |
1009 | | { 0x006f, "Landmark"}, |
1010 | | { 0x0070, "IntelligentResolution"}, |
1011 | | { 0x0077, "BurstSheed"}, |
1012 | | { 0x0079, "IntelligentDRange"}, |
1013 | | { 0x007c, "ClearRetouch"}, |
1014 | | { 0x0080, "City2"}, |
1015 | | { 0x0086, "ManometerPressure"}, |
1016 | | { 0x0089, "PhotoStyle"}, |
1017 | | { 0x008a, "ShadingCompensation"}, |
1018 | | { 0x008c, "AccelerometerZ"}, |
1019 | | { 0x008d, "AccelerometerX"}, |
1020 | | { 0x008e, "AccelerometerY"}, |
1021 | | { 0x008f, "CameraOrientation"}, |
1022 | | { 0x0090, "RollAngle"}, |
1023 | | { 0x0091, "PitchAngle"}, |
1024 | | { 0x0093, "SweepPanoramaDirection"}, |
1025 | | { 0x0094, "PanoramaFieldOfView"}, |
1026 | | { 0x0096, "TimerRecording"}, |
1027 | | { 0x009d, "InternalNDFilter"}, |
1028 | | { 0x009e, "HDR"}, |
1029 | | { 0x009f, "ShutterType"}, |
1030 | | { 0x00a3, "ClearRetouchValue"}, |
1031 | | { 0x00ab, "TouchAE"}, |
1032 | | { 0x0e00, "PrintIM"}, |
1033 | | { 0x8000, "MakerNoteVersion"}, |
1034 | | { 0x8001, "SceneMode"}, |
1035 | | { 0x8004, "WBRedLevel"}, |
1036 | | { 0x8005, "WBGreenLevel"}, |
1037 | | { 0x8006, "WBBlueLevel"}, |
1038 | | { 0x8007, "FlashFired"}, |
1039 | | { 0x8008, "TextStamp3"}, |
1040 | | { 0x8009, "TextStamp4"}, |
1041 | | { 0x8010, "BabyAge2"}, |
1042 | | { 0x8012, "Transform2"}, |
1043 | | TAG_TABLE_END |
1044 | | }; |
1045 | | |
1046 | | static tag_info_array tag_table_VND_DJI = { |
1047 | | { 0x0001, "Make"}, |
1048 | | { 0x0003, "SpeedX"}, |
1049 | | { 0x0004, "SpeedY"}, |
1050 | | { 0x0005, "SpeedZ"}, |
1051 | | { 0x0006, "Pitch"}, |
1052 | | { 0x0007, "Yaw"}, |
1053 | | { 0x0008, "Roll"}, |
1054 | | { 0x0009, "CameraPitch"}, |
1055 | | { 0x000a, "CameraYaw"}, |
1056 | | { 0x000b, "CameraRoll"}, |
1057 | | TAG_TABLE_END |
1058 | | }; |
1059 | | |
1060 | | static tag_info_array tag_table_VND_SONY = { |
1061 | | { 0x0102, "Quality"}, |
1062 | | { 0x0104, "FlashExposureComp"}, |
1063 | | { 0x0105, "Teleconverter"}, |
1064 | | { 0x0112, "WhiteBalanceFineTune"}, |
1065 | | { 0x0114, "CameraSettings"}, |
1066 | | { 0x0115, "WhiteBalance"}, |
1067 | | { 0x0116, "ExtraInfo"}, |
1068 | | { 0x0e00, "PrintIM"}, |
1069 | | { 0x1000, "MultiBurstMode"}, |
1070 | | { 0x1001, "MultiBurstImageWidth"}, |
1071 | | { 0x1002, "MultiBurstImageHeight"}, |
1072 | | { 0x1003, "Panorama"}, |
1073 | | { 0x2001, "PreviewImage"}, |
1074 | | { 0x2002, "Rating"}, |
1075 | | { 0x2004, "Contrast"}, |
1076 | | { 0x2005, "Saturation"}, |
1077 | | { 0x2006, "Sharpness"}, |
1078 | | { 0x2007, "Brightness"}, |
1079 | | { 0x2008, "LongExposureNoiseReduction"}, |
1080 | | { 0x2009, "HighISONoiseReduction"}, |
1081 | | { 0x200a, "AutoHDR"}, |
1082 | | { 0x3000, "ShotInfo"}, |
1083 | | { 0xb000, "FileFormat"}, |
1084 | | { 0xb001, "SonyModelID"}, |
1085 | | { 0xb020, "ColorReproduction"}, |
1086 | | { 0xb021, "ColorTemperature"}, |
1087 | | { 0xb022, "ColorCompensationFilter"}, |
1088 | | { 0xb023, "SceneMode"}, |
1089 | | { 0xb024, "ZoneMatching"}, |
1090 | | { 0xb025, "DynamicRangeOptimizer"}, |
1091 | | { 0xb026, "ImageStabilization"}, |
1092 | | { 0xb027, "LensID"}, |
1093 | | { 0xb028, "MinoltaMakerNote"}, |
1094 | | { 0xb029, "ColorMode"}, |
1095 | | { 0xb02b, "FullImageSize"}, |
1096 | | { 0xb02c, "PreviewImageSize"}, |
1097 | | { 0xb040, "Macro"}, |
1098 | | { 0xb041, "ExposureMode"}, |
1099 | | { 0xb042, "FocusMode"}, |
1100 | | { 0xb043, "AFMode"}, |
1101 | | { 0xb044, "AFIlluminator"}, |
1102 | | { 0xb047, "JPEGQuality"}, |
1103 | | { 0xb048, "FlashLevel"}, |
1104 | | { 0xb049, "ReleaseMode"}, |
1105 | | { 0xb04a, "SequenceNumber"}, |
1106 | | { 0xb04b, "AntiBlur"}, |
1107 | | { 0xb04e, "FocusMode"}, |
1108 | | { 0xb04f, "DynamicRangeOptimizer"}, |
1109 | | { 0xb050, "HighISONoiseReduction2"}, |
1110 | | { 0xb052, "IntelligentAuto"}, |
1111 | | { 0xb054, "WhiteBalance2"}, |
1112 | | TAG_TABLE_END |
1113 | | }; |
1114 | | |
1115 | | static tag_info_array tag_table_VND_PENTAX = { |
1116 | | { 0x0000, "Version"}, |
1117 | | { 0x0001, "Mode"}, |
1118 | | { 0x0002, "PreviewResolution"}, |
1119 | | { 0x0003, "PreviewLength"}, |
1120 | | { 0x0004, "PreviewOffset"}, |
1121 | | { 0x0005, "ModelID"}, |
1122 | | { 0x0006, "Date"}, |
1123 | | { 0x0007, "Time"}, |
1124 | | { 0x0008, "Quality"}, |
1125 | | { 0x0009, "Size"}, |
1126 | | { 0x000c, "Flash"}, |
1127 | | { 0x000d, "Focus"}, |
1128 | | { 0x000e, "AFPoint"}, |
1129 | | { 0x000f, "AFPointInFocus"}, |
1130 | | { 0x0012, "ExposureTime"}, |
1131 | | { 0x0013, "FNumber"}, |
1132 | | { 0x0014, "ISO"}, |
1133 | | { 0x0016, "ExposureCompensation"}, |
1134 | | { 0x0017, "MeteringMode"}, |
1135 | | { 0x0018, "AutoBracketing"}, |
1136 | | { 0x0019, "WhiteBalance"}, |
1137 | | { 0x001a, "WhiteBalanceMode"}, |
1138 | | { 0x001b, "BlueBalance"}, |
1139 | | { 0x001c, "RedBalance"}, |
1140 | | { 0x001d, "FocalLength"}, |
1141 | | { 0x001e, "DigitalZoom"}, |
1142 | | { 0x001f, "Saturation"}, |
1143 | | { 0x0020, "Contrast"}, |
1144 | | { 0x0021, "Sharpness"}, |
1145 | | { 0x0022, "Location"}, |
1146 | | { 0x0023, "Hometown"}, |
1147 | | { 0x0024, "Destination"}, |
1148 | | { 0x0025, "HometownDST"}, |
1149 | | { 0x0026, "DestinationDST"}, |
1150 | | { 0x0027, "DSPFirmwareVersion"}, |
1151 | | { 0x0028, "CPUFirmwareVersion"}, |
1152 | | { 0x0029, "FrameNumber"}, |
1153 | | { 0x002d, "EffectiveLV"}, |
1154 | | { 0x0032, "ImageProcessing"}, |
1155 | | { 0x0033, "PictureMode"}, |
1156 | | { 0x0034, "DriveMode"}, |
1157 | | { 0x0037, "ColorSpace"}, |
1158 | | { 0x0038, "ImageAreaOffset"}, |
1159 | | { 0x0039, "RawImageSize"}, |
1160 | | { 0x003e, "PreviewImageBorders"}, |
1161 | | { 0x003f, "LensType"}, |
1162 | | { 0x0040, "SensitivityAdjust"}, |
1163 | | { 0x0041, "DigitalFilter"}, |
1164 | | { 0x0047, "Temperature"}, |
1165 | | { 0x0048, "AELock"}, |
1166 | | { 0x0049, "NoiseReduction"}, |
1167 | | { 0x004d, "FlashExposureCompensation"}, |
1168 | | { 0x004f, "ImageTone"}, |
1169 | | { 0x0050, "ColorTemperature"}, |
1170 | | { 0x005c, "ShakeReduction"}, |
1171 | | { 0x005d, "ShutterCount"}, |
1172 | | { 0x0069, "DynamicRangeExpansion"}, |
1173 | | { 0x0071, "HighISONoiseReduction"}, |
1174 | | { 0x0072, "AFAdjustment"}, |
1175 | | { 0x0200, "BlackPoint"}, |
1176 | | { 0x0201, "WhitePoint"}, |
1177 | | { 0x0205, "ShotInfo"}, |
1178 | | { 0x0206, "AEInfo"}, |
1179 | | { 0x0207, "LensInfo"}, |
1180 | | { 0x0208, "FlashInfo"}, |
1181 | | { 0x0209, "AEMeteringSegments"}, |
1182 | | { 0x020a, "FlashADump"}, |
1183 | | { 0x020b, "FlashBDump"}, |
1184 | | { 0x020d, "WB_RGGBLevelsDaylight"}, |
1185 | | { 0x020e, "WB_RGGBLevelsShade"}, |
1186 | | { 0x020f, "WB_RGGBLevelsCloudy"}, |
1187 | | { 0x0210, "WB_RGGBLevelsTungsten"}, |
1188 | | { 0x0211, "WB_RGGBLevelsFluorescentD"}, |
1189 | | { 0x0212, "WB_RGGBLevelsFluorescentN"}, |
1190 | | { 0x0213, "WB_RGGBLevelsFluorescentW"}, |
1191 | | { 0x0214, "WB_RGGBLevelsFlash"}, |
1192 | | { 0x0215, "CameraInfo"}, |
1193 | | { 0x0216, "BatteryInfo"}, |
1194 | | { 0x021f, "AFInfo"}, |
1195 | | { 0x0222, "ColorInfo"}, |
1196 | | { 0x0229, "SerialNumber"}, |
1197 | | TAG_TABLE_END |
1198 | | }; |
1199 | | |
1200 | | static tag_info_array tag_table_VND_MINOLTA = { |
1201 | | { 0x0000, "Version"}, |
1202 | | { 0x0001, "CameraSettingsStdOld"}, |
1203 | | { 0x0003, "CameraSettingsStdNew"}, |
1204 | | { 0x0004, "CameraSettings7D"}, |
1205 | | { 0x0018, "ImageStabilizationData"}, |
1206 | | { 0x0020, "WBInfoA100"}, |
1207 | | { 0x0040, "CompressedImageSize"}, |
1208 | | { 0x0081, "Thumbnail"}, |
1209 | | { 0x0088, "ThumbnailOffset"}, |
1210 | | { 0x0089, "ThumbnailLength"}, |
1211 | | { 0x0100, "SceneMode"}, |
1212 | | { 0x0101, "ColorMode"}, |
1213 | | { 0x0102, "Quality"}, |
1214 | | { 0x0104, "FlashExposureComp"}, |
1215 | | { 0x0105, "Teleconverter"}, |
1216 | | { 0x0107, "ImageStabilization"}, |
1217 | | { 0x0109, "RawAndJpgRecording"}, |
1218 | | { 0x010a, "ZoneMatching"}, |
1219 | | { 0x010b, "ColorTemperature"}, |
1220 | | { 0x010c, "LensID"}, |
1221 | | { 0x0111, "ColorCompensationFilter"}, |
1222 | | { 0x0112, "WhiteBalanceFineTune"}, |
1223 | | { 0x0113, "ImageStabilizationA100"}, |
1224 | | { 0x0114, "CameraSettings5D"}, |
1225 | | { 0x0115, "WhiteBalance"}, |
1226 | | { 0x0e00, "PrintIM"}, |
1227 | | { 0x0f00, "CameraSettingsZ1"}, |
1228 | | TAG_TABLE_END |
1229 | | }; |
1230 | | |
1231 | | static tag_info_array tag_table_VND_SIGMA = { |
1232 | | { 0x0002, "SerialNumber"}, |
1233 | | { 0x0003, "DriveMode"}, |
1234 | | { 0x0004, "ResolutionMode"}, |
1235 | | { 0x0005, "AutofocusMode"}, |
1236 | | { 0x0006, "FocusSetting"}, |
1237 | | { 0x0007, "WhiteBalance"}, |
1238 | | { 0x0008, "ExposureMode"}, |
1239 | | { 0x0009, "MeteringMode"}, |
1240 | | { 0x000a, "LensRange"}, |
1241 | | { 0x000b, "ColorSpace"}, |
1242 | | { 0x000c, "Exposure"}, |
1243 | | { 0x000d, "Contrast"}, |
1244 | | { 0x000e, "Shadow"}, |
1245 | | { 0x000f, "Highlight"}, |
1246 | | { 0x0010, "Saturation"}, |
1247 | | { 0x0011, "Sharpness"}, |
1248 | | { 0x0012, "FillLight"}, |
1249 | | { 0x0014, "ColorAdjustment"}, |
1250 | | { 0x0015, "AdjustmentMode"}, |
1251 | | { 0x0016, "Quality"}, |
1252 | | { 0x0017, "Firmware"}, |
1253 | | { 0x0018, "Software"}, |
1254 | | { 0x0019, "AutoBracket"}, |
1255 | | TAG_TABLE_END |
1256 | | }; |
1257 | | |
1258 | | static tag_info_array tag_table_VND_KYOCERA = { |
1259 | | { 0x0001, "FormatThumbnail"}, |
1260 | | { 0x0E00, "PrintImageMatchingInfo"}, |
1261 | | TAG_TABLE_END |
1262 | | }; |
1263 | | |
1264 | | static tag_info_array tag_table_VND_RICOH = { |
1265 | | { 0x0001, "MakerNoteDataType"}, |
1266 | | { 0x0002, "Version"}, |
1267 | | { 0x0E00, "PrintImageMatchingInfo"}, |
1268 | | { 0x2001, "RicohCameraInfoMakerNoteSubIFD"}, |
1269 | | TAG_TABLE_END |
1270 | | }; |
1271 | | |
1272 | | typedef enum mn_byte_order_t { |
1273 | | MN_ORDER_INTEL = 0, |
1274 | | MN_ORDER_MOTOROLA = 1, |
1275 | | MN_ORDER_NORMAL |
1276 | | } mn_byte_order_t; |
1277 | | |
1278 | | typedef enum mn_offset_mode_t { |
1279 | | MN_OFFSET_NORMAL, |
1280 | | MN_OFFSET_MAKER |
1281 | | } mn_offset_mode_t; |
1282 | | |
1283 | | typedef struct { |
1284 | | tag_table_type tag_table; |
1285 | | char * make; |
1286 | | char * id_string; |
1287 | | int id_string_len; |
1288 | | int offset; |
1289 | | mn_byte_order_t byte_order; |
1290 | | mn_offset_mode_t offset_mode; |
1291 | | } maker_note_type; |
1292 | | |
1293 | | /* Some maker notes (e.g. DJI info tag) require custom parsing */ |
1294 | | #define REQUIRES_CUSTOM_PARSING NULL |
1295 | | |
1296 | | /* Remember to update PHP_MINFO if updated */ |
1297 | | static const maker_note_type maker_note_array[] = { |
1298 | | { tag_table_VND_CANON, "Canon", NULL, 0, 0, MN_ORDER_INTEL, MN_OFFSET_NORMAL}, |
1299 | | { tag_table_VND_CASIO, "CASIO", NULL, 0, 0, MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL}, |
1300 | | { tag_table_VND_FUJI, "FUJIFILM", "FUJIFILM\x0C\x00\x00\x00", 12, 12, MN_ORDER_INTEL, MN_OFFSET_MAKER}, |
1301 | | { tag_table_VND_NIKON, "NIKON", "Nikon\x00\x01\x00", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1302 | | { tag_table_VND_NIKON_990, "NIKON", NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1303 | | { tag_table_VND_OLYMPUS, "OLYMPUS OPTICAL CO.,LTD", "OLYMP\x00\x01\x00", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1304 | | { tag_table_VND_SAMSUNG, "SAMSUNG", NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1305 | | { tag_table_VND_PANASONIC, "Panasonic", "Panasonic\x00\x00\x00", 12, 12, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1306 | | { REQUIRES_CUSTOM_PARSING, "DJI", "[ae_dbg_info:", 13, 13, MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL}, |
1307 | | { tag_table_VND_DJI, "DJI", NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1308 | | { tag_table_VND_SONY, "SONY", "SONY DSC \x00\x00\x00", 12, 12, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1309 | | { tag_table_VND_SONY, "SONY", NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1310 | | { tag_table_VND_PENTAX, "PENTAX", "AOC\x00", 6, 6, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1311 | | { tag_table_VND_MINOLTA, "Minolta, KONICA MINOLTA", NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1312 | | { tag_table_VND_SIGMA, "SIGMA, FOVEON", "SIGMA\x00\x00\x00", 10, 10, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1313 | | { tag_table_VND_SIGMA, "SIGMA, FOVEON", "FOVEON\x00\x00\x00", 10, 10, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1314 | | { tag_table_VND_KYOCERA, "KYOCERA, CONTAX", "KYOCERA \x00\x00\x00", 22, 22, MN_ORDER_NORMAL, MN_OFFSET_MAKER}, |
1315 | | { tag_table_VND_RICOH, "RICOH", "Ricoh", 5, 5, MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL}, |
1316 | | { tag_table_VND_RICOH, "RICOH", "RICOH", 5, 5, MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL}, |
1317 | | |
1318 | | /* These re-uses existing formats */ |
1319 | | { tag_table_VND_OLYMPUS, "AGFA", "AGFA \x00\x01", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL}, |
1320 | | { tag_table_VND_OLYMPUS, "EPSON", "EPSON\x00\x01\x00", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL} |
1321 | | }; |
1322 | | /* }}} */ |
1323 | | |
1324 | | static HashTable *exif_make_tag_ht(tag_info_type *tag_table) |
1325 | 17 | { |
1326 | 17 | HashTable *ht = malloc(sizeof(HashTable)); |
1327 | 17 | zend_hash_init(ht, 0, NULL, NULL, 1); |
1328 | 718 | while (tag_table->Tag != TAG_END_OF_LIST) { |
1329 | 701 | if (!zend_hash_index_add_ptr(ht, tag_table->Tag, tag_table->Desc)) { |
1330 | 0 | zend_error(E_CORE_ERROR, "Duplicate tag %x", tag_table->Tag); |
1331 | 0 | } |
1332 | 701 | tag_table++; |
1333 | 701 | } |
1334 | 17 | return ht; |
1335 | 17 | } |
1336 | | |
1337 | | static void exif_tag_ht_dtor(zval *zv) |
1338 | 0 | { |
1339 | 0 | HashTable *ht = Z_PTR_P(zv); |
1340 | 0 | zend_hash_destroy(ht); |
1341 | 0 | free(ht); |
1342 | 0 | } |
1343 | | |
1344 | | static HashTable *exif_get_tag_ht(tag_info_type *tag_table) |
1345 | 15.8M | { |
1346 | 15.8M | HashTable *ht; |
1347 | | |
1348 | 15.8M | if (!EXIF_G(tag_table_cache)) { |
1349 | 1 | EXIF_G(tag_table_cache) = malloc(sizeof(HashTable)); |
1350 | 1 | zend_hash_init(EXIF_G(tag_table_cache), 0, NULL, exif_tag_ht_dtor, 1); |
1351 | 1 | } |
1352 | | |
1353 | 15.8M | ht = zend_hash_index_find_ptr(EXIF_G(tag_table_cache), (uintptr_t) tag_table); |
1354 | 15.8M | if (ht) { |
1355 | 15.8M | return ht; |
1356 | 15.8M | } |
1357 | | |
1358 | 17 | ht = exif_make_tag_ht(tag_table); |
1359 | 17 | zend_hash_index_add_new_ptr(EXIF_G(tag_table_cache), (uintptr_t) tag_table, ht); |
1360 | 17 | return ht; |
1361 | 15.8M | } |
1362 | | |
1363 | | /* {{{ exif_get_tagname |
1364 | | Get headername for tag_num or NULL if not defined */ |
1365 | | static char *exif_get_tagname(int tag_num, tag_table_type tag_table) |
1366 | 0 | { |
1367 | 0 | return zend_hash_index_find_ptr(exif_get_tag_ht(tag_table), tag_num); |
1368 | 0 | } |
1369 | | /* }}} */ |
1370 | | |
1371 | | static char *exif_get_tagname_debug(int tag_num, tag_table_type tag_table) |
1372 | 15.7M | { |
1373 | 15.7M | char *desc = zend_hash_index_find_ptr(exif_get_tag_ht(tag_table), tag_num); |
1374 | 15.7M | if (desc) { |
1375 | 2.09M | return desc; |
1376 | 2.09M | } |
1377 | 13.6M | return "UndefinedTag"; |
1378 | 15.7M | } |
1379 | | |
1380 | | static char *exif_get_tagname_key(int tag_num, char *buf, size_t buf_size, tag_table_type tag_table) |
1381 | 130k | { |
1382 | 130k | char *desc = zend_hash_index_find_ptr(exif_get_tag_ht(tag_table), tag_num); |
1383 | 130k | if (desc) { |
1384 | 81.0k | return desc; |
1385 | 81.0k | } |
1386 | 49.3k | snprintf(buf, buf_size, "UndefinedTag:0x%04X", tag_num); |
1387 | 49.3k | return buf; |
1388 | 130k | } |
1389 | | |
1390 | | /* {{{ exif_char_dump |
1391 | | * Do not use! This is a debug function... */ |
1392 | | #ifdef EXIF_DEBUG |
1393 | | static char* exif_char_dump(char * addr, int len, int offset) |
1394 | | { |
1395 | | static char buf[4096+1]; |
1396 | | static char tmp[20]; |
1397 | | int c, i, p=0, n = 5+31; |
1398 | | |
1399 | | p += slprintf(buf+p, sizeof(buf)-p, "\nDump Len: %08X (%d)", len, len); |
1400 | | if (len) { |
1401 | | for(i=0; i<len+15 && p+n<=sizeof(buf); i++) { |
1402 | | if (i%16==0) { |
1403 | | p += slprintf(buf+p, sizeof(buf)-p, "\n%08X: ", i+offset); |
1404 | | } |
1405 | | if (i<len) { |
1406 | | c = *((unsigned char *)addr++); |
1407 | | p += slprintf(buf+p, sizeof(buf)-p, "%02X ", c); |
1408 | | tmp[i%16] = c>=32 ? c : '.'; |
1409 | | tmp[(i%16)+1] = '\0'; |
1410 | | } else { |
1411 | | p += slprintf(buf+p, sizeof(buf)-p, " "); |
1412 | | } |
1413 | | if (i%16==15) { |
1414 | | p += slprintf(buf+p, sizeof(buf)-p, " %s", tmp); |
1415 | | if (i>=len) { |
1416 | | break; |
1417 | | } |
1418 | | } |
1419 | | } |
1420 | | } |
1421 | | buf[sizeof(buf)-1] = '\0'; |
1422 | | return buf; |
1423 | | } |
1424 | | #endif |
1425 | | /* }}} */ |
1426 | | |
1427 | | /* {{{ php_jpg_get16 |
1428 | | Get 16 bits motorola order (always) for jpeg header stuff. |
1429 | | */ |
1430 | | static int php_jpg_get16(void *value) |
1431 | 5.94k | { |
1432 | 5.94k | return (((uchar *)value)[0] << 8) | ((uchar *)value)[1]; |
1433 | 5.94k | } |
1434 | | /* }}} */ |
1435 | | |
1436 | | /* {{{ php_ifd_get16u |
1437 | | * Convert a 16 bit unsigned value from file's native byte order */ |
1438 | | static int php_ifd_get16u(void *value, int motorola_intel) |
1439 | 42.0M | { |
1440 | 42.0M | if (motorola_intel) { |
1441 | 14.4M | return (((uchar *)value)[0] << 8) | ((uchar *)value)[1]; |
1442 | 27.5M | } else { |
1443 | 27.5M | return (((uchar *)value)[1] << 8) | ((uchar *)value)[0]; |
1444 | 27.5M | } |
1445 | 42.0M | } |
1446 | | /* }}} */ |
1447 | | |
1448 | | /* {{{ php_ifd_get16s |
1449 | | * Convert a 16 bit signed value from file's native byte order */ |
1450 | | static signed short php_ifd_get16s(void *value, int motorola_intel) |
1451 | 428k | { |
1452 | 428k | return (signed short)php_ifd_get16u(value, motorola_intel); |
1453 | 428k | } |
1454 | | /* }}} */ |
1455 | | |
1456 | | /* {{{ php_ifd_get32u |
1457 | | * Convert a 32 bit unsigned value from file's native byte order */ |
1458 | | static unsigned php_ifd_get32u(void *void_value, int motorola_intel) |
1459 | 35.8M | { |
1460 | 35.8M | uchar *value = (uchar *) void_value; |
1461 | 35.8M | if (motorola_intel) { |
1462 | 12.6M | return ((unsigned)value[0] << 24) |
1463 | 12.6M | | ((unsigned)value[1] << 16) |
1464 | 12.6M | | ((unsigned)value[2] << 8 ) |
1465 | 12.6M | | ((unsigned)value[3] ); |
1466 | 23.1M | } else { |
1467 | 23.1M | return ((unsigned)value[3] << 24) |
1468 | 23.1M | | ((unsigned)value[2] << 16) |
1469 | 23.1M | | ((unsigned)value[1] << 8 ) |
1470 | 23.1M | | ((unsigned)value[0] ); |
1471 | 23.1M | } |
1472 | 35.8M | } |
1473 | | /* }}} */ |
1474 | | |
1475 | | /* {{{ php_ifd_get64u |
1476 | | * Convert a 64 bit unsigned value from file's native byte order */ |
1477 | | static uint64_t php_ifd_get64u(void *void_value, int motorola_intel) |
1478 | 100k | { |
1479 | 100k | uchar *value = (uchar *) void_value; |
1480 | 100k | if (motorola_intel) { |
1481 | 0 | return ((uint64_t)value[0] << 56) |
1482 | 0 | | ((uint64_t)value[1] << 48) |
1483 | 0 | | ((uint64_t)value[2] << 40) |
1484 | 0 | | ((uint64_t)value[3] << 32) |
1485 | 0 | | ((uint64_t)value[4] << 24) |
1486 | 0 | | ((uint64_t)value[5] << 16) |
1487 | 0 | | ((uint64_t)value[6] << 8 ) |
1488 | 0 | | ((uint64_t)value[7] ); |
1489 | 100k | } else { |
1490 | 100k | return ((uint64_t)value[7] << 56) |
1491 | 100k | | ((uint64_t)value[6] << 48) |
1492 | 100k | | ((uint64_t)value[5] << 40) |
1493 | 100k | | ((uint64_t)value[4] << 32) |
1494 | 100k | | ((uint64_t)value[3] << 24) |
1495 | 100k | | ((uint64_t)value[2] << 16) |
1496 | 100k | | ((uint64_t)value[1] << 8 ) |
1497 | 100k | | ((uint64_t)value[0] ); |
1498 | 100k | } |
1499 | 100k | } |
1500 | | /* }}} */ |
1501 | | |
1502 | | /* {{{ php_ifd_get32u |
1503 | | * Convert a 32 bit signed value from file's native byte order */ |
1504 | | static unsigned php_ifd_get32s(void *value, int motorola_intel) |
1505 | 57.4k | { |
1506 | 57.4k | return (int) php_ifd_get32u(value, motorola_intel); |
1507 | 57.4k | } |
1508 | | /* }}} */ |
1509 | | |
1510 | | /* {{{ php_ifd_set16u |
1511 | | * Write 16 bit unsigned value to data */ |
1512 | | static void php_ifd_set16u(char *data, unsigned int value, int motorola_intel) |
1513 | 0 | { |
1514 | 0 | if (motorola_intel) { |
1515 | 0 | data[0] = (value & 0xFF00) >> 8; |
1516 | 0 | data[1] = (value & 0x00FF); |
1517 | 0 | } else { |
1518 | 0 | data[1] = (value & 0xFF00) >> 8; |
1519 | 0 | data[0] = (value & 0x00FF); |
1520 | 0 | } |
1521 | 0 | } |
1522 | | /* }}} */ |
1523 | | |
1524 | | /* {{{ php_ifd_set32u |
1525 | | * Convert a 32 bit unsigned value from file's native byte order */ |
1526 | | static void php_ifd_set32u(char *data, size_t value, int motorola_intel) |
1527 | 0 | { |
1528 | 0 | if (motorola_intel) { |
1529 | 0 | data[0] = (value & 0xFF000000) >> 24; |
1530 | 0 | data[1] = (char) ((value & 0x00FF0000) >> 16); |
1531 | 0 | data[2] = (value & 0x0000FF00) >> 8; |
1532 | 0 | data[3] = (value & 0x000000FF); |
1533 | 0 | } else { |
1534 | 0 | data[3] = (value & 0xFF000000) >> 24; |
1535 | 0 | data[2] = (char) ((value & 0x00FF0000) >> 16); |
1536 | 0 | data[1] = (value & 0x0000FF00) >> 8; |
1537 | 0 | data[0] = (value & 0x000000FF); |
1538 | 0 | } |
1539 | 0 | } |
1540 | | /* }}} */ |
1541 | | |
1542 | 297k | static float php_ifd_get_float(char *data) { |
1543 | 297k | union { uint32_t i; float f; } u; |
1544 | 297k | u.i = php_ifd_get32u(data, 0); |
1545 | 297k | return u.f; |
1546 | 297k | } |
1547 | | |
1548 | 100k | static double php_ifd_get_double(char *data) { |
1549 | 100k | union { uint64_t i; double f; } u; |
1550 | 100k | u.i = php_ifd_get64u(data, 0); |
1551 | 100k | return u.f; |
1552 | 100k | } |
1553 | | |
1554 | | #ifdef EXIF_DEBUG |
1555 | | char * exif_dump_data(int *dump_free, int format, int components, int motorola_intel, char *value_ptr) /* {{{ */ |
1556 | | { |
1557 | | char *dump; |
1558 | | int len; |
1559 | | |
1560 | | *dump_free = 0; |
1561 | | if (format == TAG_FMT_STRING) { |
1562 | | return value_ptr ? value_ptr : "<no data>"; |
1563 | | } |
1564 | | if (format == TAG_FMT_UNDEFINED) { |
1565 | | return "<undefined>"; |
1566 | | } |
1567 | | if (format == TAG_FMT_IFD) { |
1568 | | return ""; |
1569 | | } |
1570 | | if (format == TAG_FMT_SINGLE || format == TAG_FMT_DOUBLE) { |
1571 | | return "<not implemented>"; |
1572 | | } |
1573 | | *dump_free = 1; |
1574 | | if (components > 1) { |
1575 | | len = spprintf(&dump, 0, "(%d) {", components); |
1576 | | } else { |
1577 | | len = spprintf(&dump, 0, "{"); |
1578 | | } |
1579 | | while(components > 0) { |
1580 | | switch(format) { |
1581 | | case TAG_FMT_BYTE: |
1582 | | case TAG_FMT_UNDEFINED: |
1583 | | case TAG_FMT_STRING: |
1584 | | case TAG_FMT_SBYTE: |
1585 | | dump = erealloc(dump, len + 4 + 1); |
1586 | | snprintf(dump + len, 4 + 1, "0x%02X", *value_ptr); |
1587 | | len += 4; |
1588 | | value_ptr++; |
1589 | | break; |
1590 | | case TAG_FMT_USHORT: |
1591 | | case TAG_FMT_SSHORT: |
1592 | | dump = erealloc(dump, len + 6 + 1); |
1593 | | snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get16s(value_ptr, motorola_intel)); |
1594 | | len += 6; |
1595 | | value_ptr += 2; |
1596 | | break; |
1597 | | case TAG_FMT_ULONG: |
1598 | | case TAG_FMT_SLONG: |
1599 | | dump = erealloc(dump, len + 6 + 1); |
1600 | | snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get32s(value_ptr, motorola_intel)); |
1601 | | len += 6; |
1602 | | value_ptr += 4; |
1603 | | break; |
1604 | | case TAG_FMT_URATIONAL: |
1605 | | case TAG_FMT_SRATIONAL: |
1606 | | dump = erealloc(dump, len + 13 + 1); |
1607 | | snprintf(dump + len, 13 + 1, "0x%04X/0x%04X", php_ifd_get32s(value_ptr, motorola_intel), php_ifd_get32s(value_ptr+4, motorola_intel)); |
1608 | | len += 13; |
1609 | | value_ptr += 8; |
1610 | | break; |
1611 | | } |
1612 | | if (components > 0) { |
1613 | | dump = erealloc(dump, len + 2 + 1); |
1614 | | snprintf(dump + len, 2 + 1, ", "); |
1615 | | len += 2; |
1616 | | components--; |
1617 | | } else{ |
1618 | | break; |
1619 | | } |
1620 | | } |
1621 | | dump = erealloc(dump, len + 1 + 1); |
1622 | | snprintf(dump + len, 1 + 1, "}"); |
1623 | | return dump; |
1624 | | } |
1625 | | /* }}} */ |
1626 | | #endif |
1627 | | |
1628 | | /* {{{ exif_convert_any_format |
1629 | | * Evaluate number, be it int, rational, or float from directory. */ |
1630 | | static double exif_convert_any_format(void *value, int format, int motorola_intel) |
1631 | 6.16k | { |
1632 | 6.16k | int s_den; |
1633 | 6.16k | unsigned u_den; |
1634 | | |
1635 | 6.16k | switch(format) { |
1636 | 249 | case TAG_FMT_SBYTE: return *(signed char *)value; |
1637 | 667 | case TAG_FMT_BYTE: return *(uchar *)value; |
1638 | | |
1639 | 486 | case TAG_FMT_USHORT: return php_ifd_get16u(value, motorola_intel); |
1640 | 629 | case TAG_FMT_ULONG: return php_ifd_get32u(value, motorola_intel); |
1641 | | |
1642 | 879 | case TAG_FMT_URATIONAL: |
1643 | 879 | u_den = php_ifd_get32u(4+(char *)value, motorola_intel); |
1644 | 879 | if (u_den == 0) { |
1645 | 240 | return 0; |
1646 | 639 | } else { |
1647 | 639 | return (double)php_ifd_get32u(value, motorola_intel) / u_den; |
1648 | 639 | } |
1649 | | |
1650 | 836 | case TAG_FMT_SRATIONAL: |
1651 | 836 | s_den = php_ifd_get32s(4+(char *)value, motorola_intel); |
1652 | 836 | if (s_den == 0) { |
1653 | 250 | return 0; |
1654 | 586 | } else { |
1655 | 586 | return (double)php_ifd_get32s(value, motorola_intel) / s_den; |
1656 | 586 | } |
1657 | | |
1658 | 626 | case TAG_FMT_SSHORT: return (signed short)php_ifd_get16u(value, motorola_intel); |
1659 | 534 | case TAG_FMT_SLONG: return php_ifd_get32s(value, motorola_intel); |
1660 | | |
1661 | | /* Not sure if this is correct (never seen float used in Exif format) */ |
1662 | 418 | case TAG_FMT_SINGLE: |
1663 | | #ifdef EXIF_DEBUG |
1664 | | php_error_docref(NULL, E_NOTICE, "Found value of type single"); |
1665 | | #endif |
1666 | 418 | return (double) php_ifd_get_float(value); |
1667 | 447 | case TAG_FMT_DOUBLE: |
1668 | | #ifdef EXIF_DEBUG |
1669 | | php_error_docref(NULL, E_NOTICE, "Found value of type double"); |
1670 | | #endif |
1671 | 447 | return php_ifd_get_double(value); |
1672 | 6.16k | } |
1673 | 389 | return 0; |
1674 | 6.16k | } |
1675 | | /* }}} */ |
1676 | | |
1677 | | /* {{{ exif_rewrite_tag_format_to_unsigned |
1678 | | * Rewrite format tag so that it specifies an unsigned type for a tag */ |
1679 | | static int exif_rewrite_tag_format_to_unsigned(int format) |
1680 | 17.7k | { |
1681 | 17.7k | switch(format) { |
1682 | 369 | case TAG_FMT_SBYTE: return TAG_FMT_BYTE; |
1683 | 531 | case TAG_FMT_SRATIONAL: return TAG_FMT_URATIONAL; |
1684 | 2.14k | case TAG_FMT_SSHORT: return TAG_FMT_USHORT; |
1685 | 2.22k | case TAG_FMT_SLONG: return TAG_FMT_ULONG; |
1686 | 17.7k | } |
1687 | 12.5k | return format; |
1688 | 17.7k | } |
1689 | | /* }}} */ |
1690 | | |
1691 | | /* Use saturation for out of bounds values to avoid UB */ |
1692 | 3.12k | static size_t float_to_size_t(float x) { |
1693 | 3.12k | if (x < 0.0f || zend_isnan(x)) { |
1694 | 1.00k | return 0; |
1695 | 2.12k | } else if (x > (float) SIZE_MAX) { |
1696 | 622 | return SIZE_MAX; |
1697 | 1.50k | } else { |
1698 | 1.50k | return (size_t) x; |
1699 | 1.50k | } |
1700 | 3.12k | } |
1701 | | |
1702 | 3.87k | static size_t double_to_size_t(double x) { |
1703 | 3.87k | if (x < 0.0 || zend_isnan(x)) { |
1704 | 564 | return 0; |
1705 | 3.31k | } else if (x > (double) SIZE_MAX) { |
1706 | 225 | return SIZE_MAX; |
1707 | 3.09k | } else { |
1708 | 3.09k | return (size_t) x; |
1709 | 3.09k | } |
1710 | 3.87k | } |
1711 | | |
1712 | | /* {{{ exif_convert_any_to_int |
1713 | | * Evaluate number, be it int, rational, or float from directory. */ |
1714 | | static size_t exif_convert_any_to_int(void *value, int format, int motorola_intel) |
1715 | 22.8k | { |
1716 | 22.8k | switch (format) { |
1717 | 234 | case TAG_FMT_SBYTE: return *(signed char *)value; |
1718 | 4.19k | case TAG_FMT_BYTE: return *(uchar *)value; |
1719 | | |
1720 | 2.86k | case TAG_FMT_USHORT: return php_ifd_get16u(value, motorola_intel); |
1721 | 2.84k | case TAG_FMT_ULONG: return php_ifd_get32u(value, motorola_intel); |
1722 | | |
1723 | 1.33k | case TAG_FMT_URATIONAL: { |
1724 | 1.33k | unsigned u_den = php_ifd_get32u(4+(char *)value, motorola_intel); |
1725 | 1.33k | if (u_den == 0) { |
1726 | 450 | return 0; |
1727 | 880 | } else { |
1728 | 880 | return php_ifd_get32u(value, motorola_intel) / u_den; |
1729 | 880 | } |
1730 | 1.33k | } |
1731 | | |
1732 | 1.43k | case TAG_FMT_SRATIONAL: { |
1733 | 1.43k | int s_num = php_ifd_get32s(value, motorola_intel); |
1734 | 1.43k | int s_den = php_ifd_get32s(4+(char *)value, motorola_intel); |
1735 | 1.43k | if (s_den == 0) { |
1736 | 387 | return 0; |
1737 | 1.05k | } else if (s_num == INT_MIN && s_den == -1) { |
1738 | 217 | return INT_MAX; |
1739 | 833 | } else { |
1740 | 833 | return s_num / s_den; |
1741 | 833 | } |
1742 | 1.43k | } |
1743 | | |
1744 | 478 | case TAG_FMT_SSHORT: return php_ifd_get16u(value, motorola_intel); |
1745 | 481 | case TAG_FMT_SLONG: return php_ifd_get32s(value, motorola_intel); |
1746 | | |
1747 | | /* Not sure if this is correct (never seen float used in Exif format) */ |
1748 | 3.12k | case TAG_FMT_SINGLE: |
1749 | | #ifdef EXIF_DEBUG |
1750 | | php_error_docref(NULL, E_NOTICE, "Found value of type single"); |
1751 | | #endif |
1752 | 3.12k | return float_to_size_t(php_ifd_get_float(value)); |
1753 | 3.87k | case TAG_FMT_DOUBLE: |
1754 | | #ifdef EXIF_DEBUG |
1755 | | php_error_docref(NULL, E_NOTICE, "Found value of type double"); |
1756 | | #endif |
1757 | 3.87k | return double_to_size_t(php_ifd_get_double(value)); |
1758 | 22.8k | } |
1759 | 2.00k | return 0; |
1760 | 22.8k | } |
1761 | | /* }}} */ |
1762 | | |
1763 | | /* {{{ struct image_info_value, image_info_list */ |
1764 | | #ifndef WORD |
1765 | | #define WORD unsigned short |
1766 | | #endif |
1767 | | #ifndef DWORD |
1768 | | #define DWORD unsigned int |
1769 | | #endif |
1770 | | |
1771 | | typedef struct { |
1772 | | int num; |
1773 | | int den; |
1774 | | } signed_rational; |
1775 | | |
1776 | | typedef struct { |
1777 | | unsigned int num; |
1778 | | unsigned int den; |
1779 | | } unsigned_rational; |
1780 | | |
1781 | | typedef union _image_info_value { |
1782 | | char *s; |
1783 | | unsigned u; |
1784 | | int i; |
1785 | | float f; |
1786 | | double d; |
1787 | | signed_rational sr; |
1788 | | unsigned_rational ur; |
1789 | | union _image_info_value *list; |
1790 | | } image_info_value; |
1791 | | |
1792 | | typedef struct { |
1793 | | WORD tag; |
1794 | | WORD format; |
1795 | | DWORD length; |
1796 | | DWORD dummy; /* value ptr of tiff directory entry */ |
1797 | | char *name; |
1798 | | image_info_value value; |
1799 | | } image_info_data; |
1800 | | |
1801 | | typedef struct { |
1802 | | int count; |
1803 | | int alloc_count; |
1804 | | image_info_data *list; |
1805 | | } image_info_list; |
1806 | | /* }}} */ |
1807 | | |
1808 | | /* {{{ exif_get_sectionname |
1809 | | Returns the name of a section |
1810 | | */ |
1811 | 42.8k | #define SECTION_FILE 0 |
1812 | 45.3k | #define SECTION_COMPUTED 1 |
1813 | 151k | #define SECTION_ANY_TAG 2 |
1814 | 225k | #define SECTION_IFD0 3 |
1815 | 784k | #define SECTION_THUMBNAIL 4 |
1816 | 852k | #define SECTION_COMMENT 5 |
1817 | 6.11k | #define SECTION_APP0 6 |
1818 | 418k | #define SECTION_EXIF 7 |
1819 | 10.4k | #define SECTION_FPIX 8 |
1820 | 40.7k | #define SECTION_GPS 9 |
1821 | 69.2k | #define SECTION_INTEROP 10 |
1822 | 11.4k | #define SECTION_APP12 11 |
1823 | 27.2k | #define SECTION_WINXP 12 |
1824 | 18.8k | #define SECTION_MAKERNOTE 13 |
1825 | 275k | #define SECTION_COUNT 14 |
1826 | | |
1827 | 6.11k | #define FOUND_FILE (1<<SECTION_FILE) |
1828 | 6.20k | #define FOUND_COMPUTED (1<<SECTION_COMPUTED) |
1829 | 136k | #define FOUND_ANY_TAG (1<<SECTION_ANY_TAG) |
1830 | 10.4k | #define FOUND_IFD0 (1<<SECTION_IFD0) |
1831 | 26.1k | #define FOUND_THUMBNAIL (1<<SECTION_THUMBNAIL) |
1832 | | #define FOUND_COMMENT (1<<SECTION_COMMENT) |
1833 | | #define FOUND_APP0 (1<<SECTION_APP0) |
1834 | 116k | #define FOUND_EXIF (1<<SECTION_EXIF) |
1835 | | #define FOUND_FPIX (1<<SECTION_FPIX) |
1836 | 11.3k | #define FOUND_GPS (1<<SECTION_GPS) |
1837 | 21.8k | #define FOUND_INTEROP (1<<SECTION_INTEROP) |
1838 | | #define FOUND_APP12 (1<<SECTION_APP12) |
1839 | 4.18k | #define FOUND_WINXP (1<<SECTION_WINXP) |
1840 | 3.06k | #define FOUND_MAKERNOTE (1<<SECTION_MAKERNOTE) |
1841 | | |
1842 | | static const char *exif_get_sectionname(int section) |
1843 | 106k | { |
1844 | 106k | switch(section) { |
1845 | 6.11k | case SECTION_FILE: return "FILE"; |
1846 | 10.4k | case SECTION_COMPUTED: return "COMPUTED"; |
1847 | 10.7k | case SECTION_ANY_TAG: return "ANY_TAG"; |
1848 | 11.4k | case SECTION_IFD0: return "IFD0"; |
1849 | 9.89k | case SECTION_THUMBNAIL: return "THUMBNAIL"; |
1850 | 6.43k | case SECTION_COMMENT: return "COMMENT"; |
1851 | 6.11k | case SECTION_APP0: return "APP0"; |
1852 | 7.49k | case SECTION_EXIF: return "EXIF"; |
1853 | 6.11k | case SECTION_FPIX: return "FPIX"; |
1854 | 6.20k | case SECTION_GPS: return "GPS"; |
1855 | 6.37k | case SECTION_INTEROP: return "INTEROP"; |
1856 | 6.21k | case SECTION_APP12: return "APP12"; |
1857 | 6.18k | case SECTION_WINXP: return "WINXP"; |
1858 | 6.38k | case SECTION_MAKERNOTE: return "MAKERNOTE"; |
1859 | 106k | } |
1860 | 0 | return ""; |
1861 | 106k | } |
1862 | | |
1863 | | static tag_table_type exif_get_tag_table(int section) |
1864 | 190k | { |
1865 | 190k | switch(section) { |
1866 | 0 | case SECTION_FILE: return &tag_table_IFD[0]; |
1867 | 0 | case SECTION_COMPUTED: return &tag_table_IFD[0]; |
1868 | 0 | case SECTION_ANY_TAG: return &tag_table_IFD[0]; |
1869 | 6.26k | case SECTION_IFD0: return &tag_table_IFD[0]; |
1870 | 72.1k | case SECTION_THUMBNAIL: return &tag_table_IFD[0]; |
1871 | 0 | case SECTION_COMMENT: return &tag_table_IFD[0]; |
1872 | 0 | case SECTION_APP0: return &tag_table_IFD[0]; |
1873 | 85.5k | case SECTION_EXIF: return &tag_table_IFD[0]; |
1874 | 0 | case SECTION_FPIX: return &tag_table_IFD[0]; |
1875 | 7.43k | case SECTION_GPS: return &tag_table_GPS[0]; |
1876 | 14.8k | case SECTION_INTEROP: return &tag_table_IOP[0]; |
1877 | 0 | case SECTION_APP12: return &tag_table_IFD[0]; |
1878 | 4.18k | case SECTION_WINXP: return &tag_table_IFD[0]; |
1879 | 190k | } |
1880 | 0 | return &tag_table_IFD[0]; |
1881 | 190k | } |
1882 | | /* }}} */ |
1883 | | |
1884 | | /* {{{ exif_get_sectionlist |
1885 | | Return list of sectionnames specified by sectionlist. Return value must be freed |
1886 | | */ |
1887 | | static char *exif_get_sectionlist(int sectionlist) |
1888 | 6.11k | { |
1889 | 6.11k | int i, len, ml = 0; |
1890 | 6.11k | char *sections; |
1891 | | |
1892 | 91.7k | for(i=0; i<SECTION_COUNT; i++) { |
1893 | 85.5k | ml += strlen(exif_get_sectionname(i))+2; |
1894 | 85.5k | } |
1895 | 6.11k | sections = safe_emalloc(ml, 1, 1); |
1896 | 6.11k | sections[0] = '\0'; |
1897 | 6.11k | len = 0; |
1898 | 91.7k | for(i=0; i<SECTION_COUNT; i++) { |
1899 | 85.5k | if (sectionlist&(1<<i)) { |
1900 | 14.3k | snprintf(sections+len, ml-len, "%s, ", exif_get_sectionname(i)); |
1901 | 14.3k | len = strlen(sections); |
1902 | 14.3k | } |
1903 | 85.5k | } |
1904 | 6.11k | if (len>2) |
1905 | 5.56k | sections[len-2] = '\0'; |
1906 | 6.11k | return sections; |
1907 | 6.11k | } |
1908 | | /* }}} */ |
1909 | | |
1910 | | /* {{{ struct image_info_type |
1911 | | This structure stores Exif header image elements in a simple manner |
1912 | | Used to store camera data as extracted from the various ways that it can be |
1913 | | stored in a nexif header |
1914 | | */ |
1915 | | |
1916 | | typedef struct { |
1917 | | int type; |
1918 | | size_t size; |
1919 | | uchar *data; |
1920 | | } file_section; |
1921 | | |
1922 | | typedef struct { |
1923 | | int count; |
1924 | | int alloc_count; |
1925 | | file_section *list; |
1926 | | } file_section_list; |
1927 | | |
1928 | | typedef struct { |
1929 | | image_filetype filetype; |
1930 | | size_t width, height; |
1931 | | size_t size; |
1932 | | size_t offset; |
1933 | | char *data; |
1934 | | } thumbnail_data; |
1935 | | |
1936 | | typedef struct { |
1937 | | char *value; |
1938 | | size_t size; |
1939 | | int tag; |
1940 | | } xp_field_type; |
1941 | | |
1942 | | typedef struct { |
1943 | | int count; |
1944 | | xp_field_type *list; |
1945 | | } xp_field_list; |
1946 | | |
1947 | | /* This structure is used to store a section of a Jpeg file. */ |
1948 | | typedef struct { |
1949 | | php_stream *infile; |
1950 | | char *FileName; |
1951 | | time_t FileDateTime; |
1952 | | size_t FileSize; |
1953 | | image_filetype FileType; |
1954 | | int Height, Width; |
1955 | | int IsColor; |
1956 | | |
1957 | | char *make; |
1958 | | char *model; |
1959 | | |
1960 | | float ApertureFNumber; |
1961 | | float ExposureTime; |
1962 | | double FocalplaneUnits; |
1963 | | float CCDWidth; |
1964 | | double FocalplaneXRes; |
1965 | | size_t ExifImageWidth; |
1966 | | float FocalLength; |
1967 | | float Distance; |
1968 | | |
1969 | | int motorola_intel; /* 1 Motorola; 0 Intel */ |
1970 | | |
1971 | | char *UserComment; |
1972 | | int UserCommentLength; |
1973 | | char *UserCommentEncoding; |
1974 | | char *encode_unicode; |
1975 | | char *decode_unicode_be; |
1976 | | char *decode_unicode_le; |
1977 | | char *encode_jis; |
1978 | | char *decode_jis_be; |
1979 | | char *decode_jis_le; |
1980 | | char *Copyright;/* EXIF standard defines Copyright as "<Photographer> [ '\0' <Editor> ] ['\0']" */ |
1981 | | char *CopyrightPhotographer; |
1982 | | char *CopyrightEditor; |
1983 | | |
1984 | | xp_field_list xp_fields; |
1985 | | |
1986 | | thumbnail_data Thumbnail; |
1987 | | /* other */ |
1988 | | int sections_found; /* FOUND_<marker> */ |
1989 | | image_info_list info_list[SECTION_COUNT]; |
1990 | | /* for parsing */ |
1991 | | int read_thumbnail; |
1992 | | int read_all; |
1993 | | int ifd_nesting_level; |
1994 | | int ifd_count; |
1995 | | int num_errors; |
1996 | | /* internal */ |
1997 | | file_section_list file; |
1998 | | } image_info_type; |
1999 | | /* }}} */ |
2000 | | |
2001 | | // EXIF_DEBUG can produce lots of messages |
2002 | | #ifndef EXIF_DEBUG |
2003 | 32.7M | #define EXIF_MAX_ERRORS 10 |
2004 | | #else |
2005 | | #define EXIF_MAX_ERRORS 100000 |
2006 | | #endif |
2007 | | |
2008 | | /* {{{ exif_error_docref */ |
2009 | | static void exif_error_docref(const char *docref EXIFERR_DC, image_info_type *ImageInfo, int type, const char *format, ...) |
2010 | 16.3M | { |
2011 | 16.3M | va_list args; |
2012 | | |
2013 | 16.3M | if (ImageInfo) { |
2014 | 16.3M | if (++ImageInfo->num_errors > EXIF_MAX_ERRORS) { |
2015 | 16.3M | if (ImageInfo->num_errors == EXIF_MAX_ERRORS+1) { |
2016 | 1.62k | php_error_docref(docref, type, |
2017 | 1.62k | "Further exif parsing errors have been suppressed"); |
2018 | 1.62k | } |
2019 | 16.3M | return; |
2020 | 16.3M | } |
2021 | 16.3M | } |
2022 | | |
2023 | 26.9k | va_start(args, format); |
2024 | | #ifdef EXIF_DEBUG |
2025 | | { |
2026 | | char *buf; |
2027 | | |
2028 | | spprintf(&buf, 0, "%s(%ld): %s", _file, _line, format); |
2029 | | php_verror(docref, ImageInfo && ImageInfo->FileName ? ImageInfo->FileName:"", type, buf, args); |
2030 | | efree(buf); |
2031 | | } |
2032 | | #else |
2033 | 26.9k | php_verror(docref, ImageInfo && ImageInfo->FileName ? ImageInfo->FileName:"", type, format, args); |
2034 | 26.9k | #endif |
2035 | 26.9k | va_end(args); |
2036 | 26.9k | } |
2037 | | /* }}} */ |
2038 | | |
2039 | | /* {{{ jpeg_sof_info */ |
2040 | | typedef struct { |
2041 | | int bits_per_sample; |
2042 | | size_t width; |
2043 | | size_t height; |
2044 | | int num_components; |
2045 | | } jpeg_sof_info; |
2046 | | /* }}} */ |
2047 | | |
2048 | | /* Base address for offset references, together with valid memory range. |
2049 | | * The valid range does not necessarily include the offset base. */ |
2050 | | typedef struct { |
2051 | | char *offset_base; |
2052 | | char *valid_start; /* inclusive */ |
2053 | | char *valid_end; /* exclusive */ |
2054 | | } exif_offset_info; |
2055 | | |
2056 | 352k | static zend_always_inline bool ptr_offset_overflows(const char *ptr, size_t offset) { |
2057 | 352k | return UINTPTR_MAX - (uintptr_t) ptr < offset; |
2058 | 352k | } |
2059 | | |
2060 | | static inline void exif_offset_info_init( |
2061 | 187k | exif_offset_info *info, char *offset_base, char *valid_start, size_t valid_length) { |
2062 | 187k | ZEND_ASSERT(!ptr_offset_overflows(valid_start, valid_length)); |
2063 | | #ifdef __SANITIZE_ADDRESS__ |
2064 | | ZEND_ASSERT(!__asan_region_is_poisoned(valid_start, valid_length)); |
2065 | | #endif |
2066 | 187k | info->offset_base = offset_base; |
2067 | 187k | info->valid_start = valid_start; |
2068 | 187k | info->valid_end = valid_start + valid_length; |
2069 | 187k | } |
2070 | | |
2071 | | /* Try to get a pointer at offset_base+offset with length dereferenceable bytes. */ |
2072 | | static inline char *exif_offset_info_try_get( |
2073 | 80.0k | const exif_offset_info *info, size_t offset, size_t length) { |
2074 | 80.0k | char *start, *end; |
2075 | 80.0k | if (ptr_offset_overflows(info->offset_base, offset)) { |
2076 | 40 | return NULL; |
2077 | 40 | } |
2078 | | |
2079 | 80.0k | start = info->offset_base + offset; |
2080 | 80.0k | if (ptr_offset_overflows(start, length)) { |
2081 | 0 | return NULL; |
2082 | 0 | } |
2083 | | |
2084 | 80.0k | end = start + length; |
2085 | 80.0k | if (start < info->valid_start || end > info->valid_end) { |
2086 | 48.7k | return NULL; |
2087 | 48.7k | } |
2088 | | |
2089 | 31.2k | return start; |
2090 | 80.0k | } |
2091 | | |
2092 | | static inline bool exif_offset_info_contains( |
2093 | 4.70k | const exif_offset_info *info, const char *start, size_t length) { |
2094 | 4.70k | if (ptr_offset_overflows(start, length)) { |
2095 | 0 | return 0; |
2096 | 0 | } |
2097 | | |
2098 | | /* start and valid_start are both inclusive, end and valid_end are both exclusive, |
2099 | | * so we use >= and <= to do the checks, respectively. */ |
2100 | 4.70k | const char *end = start + length; |
2101 | 4.70k | return start >= info->valid_start && end <= info->valid_end; |
2102 | 4.70k | } |
2103 | | |
2104 | | #ifdef EXIF_DEBUG |
2105 | | static inline int exif_offset_info_length(const exif_offset_info *info) |
2106 | | { |
2107 | | return info->valid_end - info->valid_start; |
2108 | | } |
2109 | | #endif |
2110 | | |
2111 | | /* {{{ exif_file_sections_add |
2112 | | Add a file_section to image_info |
2113 | | returns the used block or -1. if size>0 and data == NULL buffer of size is allocated |
2114 | | */ |
2115 | | static int exif_file_sections_add(image_info_type *ImageInfo, int type, size_t size, uchar *data) |
2116 | 761k | { |
2117 | 761k | int count = ImageInfo->file.count; |
2118 | 761k | if (count == ImageInfo->file.alloc_count) { |
2119 | 18.4k | int new_alloc_count = ImageInfo->file.alloc_count ? ImageInfo->file.alloc_count * 2 : 1; |
2120 | 18.4k | ImageInfo->file.list = safe_erealloc( |
2121 | 18.4k | ImageInfo->file.list, new_alloc_count, sizeof(file_section), 0); |
2122 | 18.4k | ImageInfo->file.alloc_count = new_alloc_count; |
2123 | 18.4k | } |
2124 | | |
2125 | 761k | ImageInfo->file.list[count].type = 0xFFFF; |
2126 | 761k | ImageInfo->file.list[count].data = NULL; |
2127 | 761k | ImageInfo->file.list[count].size = 0; |
2128 | 761k | ImageInfo->file.count = count+1; |
2129 | 761k | if (!size) { |
2130 | 0 | data = NULL; |
2131 | 761k | } else if (data == NULL) { |
2132 | 761k | data = safe_emalloc(size, 1, 0); |
2133 | 761k | } |
2134 | 761k | ImageInfo->file.list[count].type = type; |
2135 | 761k | ImageInfo->file.list[count].data = data; |
2136 | 761k | ImageInfo->file.list[count].size = size; |
2137 | 761k | return count; |
2138 | 761k | } |
2139 | | /* }}} */ |
2140 | | |
2141 | | /* {{{ exif_file_sections_realloc |
2142 | | Reallocate a file section returns 0 on success and -1 on failure |
2143 | | */ |
2144 | | static int exif_file_sections_realloc(image_info_type *ImageInfo, int section_index, size_t size) |
2145 | 173k | { |
2146 | 173k | void *tmp; |
2147 | | |
2148 | | /* This is not a malloc/realloc check. It is a plausibility check for the |
2149 | | * function parameters (requirements engineering). |
2150 | | */ |
2151 | 173k | if (section_index >= ImageInfo->file.count) { |
2152 | 0 | EXIF_ERRLOG_FSREALLOC(ImageInfo) |
2153 | 0 | return -1; |
2154 | 0 | } |
2155 | 173k | tmp = safe_erealloc(ImageInfo->file.list[section_index].data, 1, size, 0); |
2156 | 173k | ImageInfo->file.list[section_index].data = tmp; |
2157 | 173k | ImageInfo->file.list[section_index].size = size; |
2158 | 173k | return 0; |
2159 | 173k | } |
2160 | | /* }}} */ |
2161 | | |
2162 | | /* {{{ exif_file_section_free |
2163 | | Discard all file_sections in ImageInfo |
2164 | | */ |
2165 | | static void exif_file_sections_free(image_info_type *ImageInfo) |
2166 | 6.11k | { |
2167 | 6.11k | if (ImageInfo->file.count) { |
2168 | 767k | for (int i = 0; i<ImageInfo->file.count; i++) { |
2169 | 761k | EFREE_IF(ImageInfo->file.list[i].data); |
2170 | 761k | } |
2171 | 6.00k | } |
2172 | 6.11k | EFREE_IF(ImageInfo->file.list); |
2173 | 6.11k | ImageInfo->file.count = 0; |
2174 | 6.11k | } |
2175 | | /* }}} */ |
2176 | | |
2177 | 750k | static image_info_data *exif_alloc_image_info_data(image_info_list *info_list) { |
2178 | 750k | if (info_list->count == info_list->alloc_count) { |
2179 | 48.9k | int new_alloc_count = info_list->alloc_count ? info_list->alloc_count * 2 : 1; |
2180 | 48.9k | info_list->list = safe_erealloc( |
2181 | 48.9k | info_list->list, new_alloc_count, sizeof(image_info_data), 0); |
2182 | 48.9k | info_list->alloc_count = new_alloc_count; |
2183 | 48.9k | } |
2184 | 750k | return &info_list->list[info_list->count++]; |
2185 | 750k | } |
2186 | | |
2187 | | /* {{{ exif_iif_add_value |
2188 | | Add a value to image_info |
2189 | | */ |
2190 | | static void exif_iif_add_value(image_info_type *image_info, int section_index, const char *name, int tag, int format, size_t length, void* value, size_t value_len, int motorola_intel) |
2191 | 713k | { |
2192 | 713k | size_t idex; |
2193 | 713k | void *vptr, *vptr_end; |
2194 | 713k | image_info_value *info_value; |
2195 | 713k | image_info_data *info_data; |
2196 | | |
2197 | 713k | info_data = exif_alloc_image_info_data(&image_info->info_list[section_index]); |
2198 | 713k | memset(info_data, 0, sizeof(image_info_data)); |
2199 | 713k | info_data->tag = tag; |
2200 | 713k | info_data->format = format; |
2201 | 713k | info_data->length = length; |
2202 | 713k | info_data->name = estrdup(name); |
2203 | 713k | info_value = &info_data->value; |
2204 | | |
2205 | 713k | switch (format) { |
2206 | 586k | case TAG_FMT_STRING: |
2207 | 586k | if (length > value_len) { |
2208 | 0 | exif_error_docref("exif_iif_add_value" EXIFERR_CC, image_info, E_WARNING, "length > value_len: %d > %zu", length, value_len); |
2209 | 0 | value = NULL; |
2210 | 0 | } |
2211 | 586k | if (value) { |
2212 | 586k | length = zend_strnlen(value, length); |
2213 | 586k | info_value->s = estrndup(value, length); |
2214 | 586k | info_data->length = length; |
2215 | 586k | } else { |
2216 | 0 | info_data->length = 0; |
2217 | 0 | info_value->s = estrdup(""); |
2218 | 0 | } |
2219 | 586k | break; |
2220 | | |
2221 | 1.00k | default: |
2222 | | /* Standard says more types possible but skip them... |
2223 | | * but allow users to handle data if they know how to |
2224 | | * So not return but use type UNDEFINED |
2225 | | * return; |
2226 | | */ |
2227 | 1.00k | info_data->tag = TAG_FMT_UNDEFINED;/* otherwise not freed from memory */ |
2228 | 1.00k | ZEND_FALLTHROUGH; |
2229 | 2.97k | case TAG_FMT_SBYTE: |
2230 | 57.9k | case TAG_FMT_BYTE: |
2231 | | /* in contrast to strings bytes do not need to allocate buffer for NULL if length==0 */ |
2232 | 57.9k | if (!length) { |
2233 | 10.7k | break; |
2234 | 10.7k | } |
2235 | 47.1k | ZEND_FALLTHROUGH; |
2236 | 51.7k | case TAG_FMT_UNDEFINED: |
2237 | 51.7k | if (length > value_len) { |
2238 | 0 | exif_error_docref("exif_iif_add_value" EXIFERR_CC, image_info, E_WARNING, "length > value_len: %d > %zu", length, value_len); |
2239 | 0 | value = NULL; |
2240 | 0 | } |
2241 | 51.7k | if (value) { |
2242 | 51.7k | if (tag == TAG_MAKER_NOTE) { |
2243 | 4.32k | length = zend_strnlen(value, length); |
2244 | 4.32k | } |
2245 | | |
2246 | | /* do not recompute length here */ |
2247 | 51.7k | info_value->s = estrndup(value, length); |
2248 | 51.7k | info_data->length = length; |
2249 | 51.7k | } else { |
2250 | 0 | info_data->length = 0; |
2251 | 0 | info_value->s = estrdup(""); |
2252 | 0 | } |
2253 | 51.7k | break; |
2254 | | |
2255 | 7.78k | case TAG_FMT_USHORT: |
2256 | 11.8k | case TAG_FMT_ULONG: |
2257 | 15.4k | case TAG_FMT_URATIONAL: |
2258 | 27.2k | case TAG_FMT_SSHORT: |
2259 | 34.9k | case TAG_FMT_SLONG: |
2260 | 40.3k | case TAG_FMT_SRATIONAL: |
2261 | 56.5k | case TAG_FMT_SINGLE: |
2262 | 64.7k | case TAG_FMT_DOUBLE: |
2263 | 64.7k | if (length==0) { |
2264 | 2.35k | break; |
2265 | 2.35k | } |
2266 | 62.3k | if (length>1) { |
2267 | 35.8k | info_value->list = safe_emalloc(length, sizeof(image_info_value), 0); |
2268 | 35.8k | } else { |
2269 | 26.4k | info_value = &info_data->value; |
2270 | 26.4k | } |
2271 | 62.3k | vptr_end = (char *) value + value_len; |
2272 | 3.85M | for (idex=0,vptr=value; idex<length; idex++,vptr=(char *) vptr + php_tiff_bytes_per_format[format]) { |
2273 | 3.79M | if ((char *) vptr_end - (char *) vptr < php_tiff_bytes_per_format[format]) { |
2274 | 0 | exif_error_docref("exif_iif_add_value" EXIFERR_CC, image_info, E_WARNING, "Value too short"); |
2275 | 0 | break; |
2276 | 0 | } |
2277 | 3.79M | if (length>1) { |
2278 | 3.76M | info_value = &info_data->value.list[idex]; |
2279 | 3.76M | } |
2280 | 3.79M | switch (format) { |
2281 | 2.80M | case TAG_FMT_USHORT: |
2282 | 2.80M | info_value->u = php_ifd_get16u(vptr, motorola_intel); |
2283 | 2.80M | break; |
2284 | | |
2285 | 62.4k | case TAG_FMT_ULONG: |
2286 | 62.4k | info_value->u = php_ifd_get32u(vptr, motorola_intel); |
2287 | 62.4k | break; |
2288 | | |
2289 | 12.3k | case TAG_FMT_URATIONAL: |
2290 | 12.3k | info_value->ur.num = php_ifd_get32u(vptr, motorola_intel); |
2291 | 12.3k | info_value->ur.den = php_ifd_get32u(4+(char *)vptr, motorola_intel); |
2292 | 12.3k | break; |
2293 | | |
2294 | 410k | case TAG_FMT_SSHORT: |
2295 | 410k | info_value->i = php_ifd_get16s(vptr, motorola_intel); |
2296 | 410k | break; |
2297 | | |
2298 | 37.9k | case TAG_FMT_SLONG: |
2299 | 37.9k | info_value->i = php_ifd_get32s(vptr, motorola_intel); |
2300 | 37.9k | break; |
2301 | | |
2302 | 81.0k | case TAG_FMT_SRATIONAL: |
2303 | 81.0k | info_value->sr.num = php_ifd_get32u(vptr, motorola_intel); |
2304 | 81.0k | info_value->sr.den = php_ifd_get32u(4+(char *)vptr, motorola_intel); |
2305 | 81.0k | break; |
2306 | | |
2307 | 293k | case TAG_FMT_SINGLE: |
2308 | | #ifdef EXIF_DEBUG |
2309 | | php_error_docref(NULL, E_WARNING, "Found value of type single"); |
2310 | | #endif |
2311 | 293k | info_value->f = php_ifd_get_float(value); |
2312 | 293k | break; |
2313 | 96.1k | case TAG_FMT_DOUBLE: |
2314 | | #ifdef EXIF_DEBUG |
2315 | | php_error_docref(NULL, E_WARNING, "Found value of type double"); |
2316 | | #endif |
2317 | 96.1k | info_value->d = php_ifd_get_double(value); |
2318 | 96.1k | break; |
2319 | 3.79M | } |
2320 | 3.79M | } |
2321 | 713k | } |
2322 | 713k | image_info->sections_found |= 1<<section_index; |
2323 | 713k | } |
2324 | | /* }}} */ |
2325 | | |
2326 | | /* {{{ exif_iif_add_tag |
2327 | | Add a tag from IFD to image_info |
2328 | | */ |
2329 | | static void exif_iif_add_tag(image_info_type *image_info, int section_index, const char *name, int tag, int format, size_t length, void* value, size_t value_len) |
2330 | 713k | { |
2331 | 713k | exif_iif_add_value(image_info, section_index, name, tag, format, length, value, value_len, image_info->motorola_intel); |
2332 | 713k | } |
2333 | | /* }}} */ |
2334 | | |
2335 | | /* {{{ exif_iif_add_int |
2336 | | Add an int value to image_info |
2337 | | */ |
2338 | | static void exif_iif_add_int(image_info_type *image_info, int section_index, const char *name, int value) |
2339 | 22.7k | { |
2340 | 22.7k | image_info_data *info_data = exif_alloc_image_info_data(&image_info->info_list[section_index]); |
2341 | 22.7k | info_data->tag = TAG_NONE; |
2342 | 22.7k | info_data->format = TAG_FMT_SLONG; |
2343 | 22.7k | info_data->length = 1; |
2344 | 22.7k | info_data->name = estrdup(name); |
2345 | 22.7k | info_data->value.i = value; |
2346 | 22.7k | image_info->sections_found |= 1<<section_index; |
2347 | 22.7k | } |
2348 | | /* }}} */ |
2349 | | |
2350 | | /* {{{ exif_iif_add_str |
2351 | | Add a string value to image_info MUST BE NUL TERMINATED |
2352 | | */ |
2353 | | static void exif_iif_add_str(image_info_type *image_info, int section_index, const char *name, const char *value) |
2354 | 31.6k | { |
2355 | 31.6k | if (value) { |
2356 | 13.8k | image_info_data *info_data = |
2357 | 13.8k | exif_alloc_image_info_data(&image_info->info_list[section_index]); |
2358 | 13.8k | info_data->tag = TAG_NONE; |
2359 | 13.8k | info_data->format = TAG_FMT_STRING; |
2360 | 13.8k | info_data->length = 1; |
2361 | 13.8k | info_data->name = estrdup(name); |
2362 | 13.8k | info_data->value.s = estrdup(value); |
2363 | 13.8k | image_info->sections_found |= 1<<section_index; |
2364 | 13.8k | } |
2365 | 31.6k | } |
2366 | | /* }}} */ |
2367 | | |
2368 | | /* {{{ exif_iif_add_fmt |
2369 | | Add a format string value to image_info MUST BE NUL TERMINATED |
2370 | | */ |
2371 | | static void exif_iif_add_fmt(image_info_type *image_info, int section_index, const char *name, char *value, ...) |
2372 | 550 | { |
2373 | 550 | char *tmp; |
2374 | 550 | va_list arglist; |
2375 | | |
2376 | 550 | va_start(arglist, value); |
2377 | 550 | if (value) { |
2378 | 550 | vspprintf(&tmp, 0, value, arglist); |
2379 | 550 | exif_iif_add_str(image_info, section_index, name, tmp); |
2380 | 550 | efree(tmp); |
2381 | 550 | } |
2382 | 550 | va_end(arglist); |
2383 | 550 | } |
2384 | | /* }}} */ |
2385 | | |
2386 | | /* {{{ exif_iif_add_str |
2387 | | Add a string value to image_info MUST BE NUL TERMINATED |
2388 | | */ |
2389 | | static void exif_iif_add_buffer(image_info_type *image_info, int section_index, const char *name, int length, const char *value) |
2390 | 293 | { |
2391 | 293 | if (value) { |
2392 | 293 | image_info_data *info_data = |
2393 | 293 | exif_alloc_image_info_data(&image_info->info_list[section_index]); |
2394 | 293 | info_data->tag = TAG_NONE; |
2395 | 293 | info_data->format = TAG_FMT_UNDEFINED; |
2396 | 293 | info_data->length = length; |
2397 | 293 | info_data->name = estrdup(name); |
2398 | 293 | info_data->value.s = safe_emalloc(length, 1, 1); |
2399 | 293 | memcpy(info_data->value.s, value, length); |
2400 | 293 | info_data->value.s[length] = 0; |
2401 | 293 | image_info->sections_found |= 1<<section_index; |
2402 | 293 | } |
2403 | 293 | } |
2404 | | /* }}} */ |
2405 | | |
2406 | | /* {{{ exif_iif_free |
2407 | | Free memory allocated for image_info |
2408 | | */ |
2409 | 85.5k | static void exif_iif_free(image_info_type *image_info, int section_index) { |
2410 | 85.5k | void *f; /* faster */ |
2411 | | |
2412 | 85.5k | if (image_info->info_list[section_index].count) { |
2413 | 766k | for (int i = 0; i < image_info->info_list[section_index].count; i++) { |
2414 | 750k | if ((f=image_info->info_list[section_index].list[i].name) != NULL) { |
2415 | 750k | efree(f); |
2416 | 750k | } |
2417 | 750k | switch(image_info->info_list[section_index].list[i].format) { |
2418 | 4.90k | case TAG_FMT_UNDEFINED: |
2419 | 605k | case TAG_FMT_STRING: |
2420 | 607k | case TAG_FMT_SBYTE: |
2421 | 662k | case TAG_FMT_BYTE: |
2422 | 663k | default: |
2423 | 663k | if ((f=image_info->info_list[section_index].list[i].value.s) != NULL) { |
2424 | 652k | efree(f); |
2425 | 652k | } |
2426 | 663k | break; |
2427 | | |
2428 | 7.78k | case TAG_FMT_USHORT: |
2429 | 11.8k | case TAG_FMT_ULONG: |
2430 | 15.4k | case TAG_FMT_URATIONAL: |
2431 | 27.2k | case TAG_FMT_SSHORT: |
2432 | 57.7k | case TAG_FMT_SLONG: |
2433 | 63.1k | case TAG_FMT_SRATIONAL: |
2434 | 79.3k | case TAG_FMT_SINGLE: |
2435 | 87.5k | case TAG_FMT_DOUBLE: |
2436 | | /* nothing to do here */ |
2437 | 87.5k | if (image_info->info_list[section_index].list[i].length > 1) { |
2438 | 35.8k | if ((f=image_info->info_list[section_index].list[i].value.list) != NULL) { |
2439 | 35.8k | efree(f); |
2440 | 35.8k | } |
2441 | 35.8k | } |
2442 | 87.5k | break; |
2443 | 750k | } |
2444 | 750k | } |
2445 | 15.9k | } |
2446 | 85.5k | EFREE_IF(image_info->info_list[section_index].list); |
2447 | 85.5k | } |
2448 | | /* }}} */ |
2449 | | |
2450 | | /* {{{ add_assoc_image_info |
2451 | | * Add image_info to associative array value. */ |
2452 | | static void add_assoc_image_info(zval *value, int sub_array, image_info_type *image_info, int section_index) |
2453 | 56.8k | { |
2454 | 56.8k | int idx = 0, unknown = 0; |
2455 | | |
2456 | 56.8k | if (!image_info->info_list[section_index].count) { |
2457 | 41.9k | return; |
2458 | 41.9k | } |
2459 | | |
2460 | 14.9k | zval tmpi; |
2461 | 14.9k | if (sub_array) { |
2462 | 6.23k | array_init(&tmpi); |
2463 | 8.69k | } else { |
2464 | 8.69k | ZVAL_COPY_VALUE(&tmpi, value); |
2465 | 8.69k | } |
2466 | | |
2467 | 409k | for (int i = 0; i<image_info->info_list[section_index].count; i++) { |
2468 | 394k | image_info_data *info_data = &image_info->info_list[section_index].list[i]; |
2469 | 394k | image_info_value *info_value = &info_data->value; |
2470 | 394k | const char *name = info_data->name; |
2471 | 394k | char uname[64]; |
2472 | | |
2473 | 394k | if (!name) { |
2474 | 0 | snprintf(uname, sizeof(uname), "%d", unknown++); |
2475 | 0 | name = uname; |
2476 | 0 | } |
2477 | | |
2478 | 394k | if (info_data->length == 0) { |
2479 | 12.1k | add_assoc_null(&tmpi, name); |
2480 | 382k | } else { |
2481 | 382k | switch (info_data->format) { |
2482 | 914 | default: |
2483 | | /* Standard says more types possible but skip them... |
2484 | | * but allow users to handle data if they know how to |
2485 | | * So not return but use type UNDEFINED |
2486 | | * return; |
2487 | | */ |
2488 | 35.3k | case TAG_FMT_BYTE: |
2489 | 37.1k | case TAG_FMT_SBYTE: |
2490 | 40.7k | case TAG_FMT_UNDEFINED: |
2491 | 40.7k | if (!info_value->s) { |
2492 | 0 | add_assoc_stringl(&tmpi, name, "", 0); |
2493 | 40.7k | } else { |
2494 | 40.7k | add_assoc_stringl(&tmpi, name, info_value->s, info_data->length); |
2495 | 40.7k | } |
2496 | 40.7k | break; |
2497 | | |
2498 | 259k | case TAG_FMT_STRING: { |
2499 | 259k | const char *val = info_value->s ? info_value->s : ""; |
2500 | 259k | if (section_index==SECTION_COMMENT) { |
2501 | 243k | add_index_string(&tmpi, idx++, val); |
2502 | 243k | } else { |
2503 | 16.1k | add_assoc_string(&tmpi, name, val); |
2504 | 16.1k | } |
2505 | 259k | break; |
2506 | 37.1k | } |
2507 | | |
2508 | 3.37k | case TAG_FMT_URATIONAL: |
2509 | 8.41k | case TAG_FMT_SRATIONAL: |
2510 | 14.7k | case TAG_FMT_USHORT: |
2511 | 25.7k | case TAG_FMT_SSHORT: |
2512 | 41.5k | case TAG_FMT_SINGLE: |
2513 | 49.0k | case TAG_FMT_DOUBLE: |
2514 | 52.6k | case TAG_FMT_ULONG: |
2515 | 82.1k | case TAG_FMT_SLONG: { |
2516 | | /* now the rest, first see if it becomes an array */ |
2517 | 82.1k | zval array; |
2518 | 82.1k | int l = info_data->length; |
2519 | 82.1k | if (l > 1) { |
2520 | 35.1k | array_init(&array); |
2521 | 35.1k | } |
2522 | 3.85M | for (int ap = 0; ap < l; ap++) { |
2523 | 3.77M | char buffer[64]; |
2524 | 3.77M | if (l>1) { |
2525 | 3.72M | info_value = &info_data->value.list[ap]; |
2526 | 3.72M | } |
2527 | 3.77M | switch (info_data->format) { |
2528 | 0 | case TAG_FMT_BYTE: |
2529 | 0 | if (l>1) { |
2530 | 0 | info_value = &info_data->value; |
2531 | 0 | for (int b = 0; b < l; b++) { |
2532 | 0 | add_index_long(&array, b, (int)(info_value->s[b])); |
2533 | 0 | } |
2534 | 0 | break; |
2535 | 0 | } |
2536 | 0 | ZEND_FALLTHROUGH; |
2537 | 2.79M | case TAG_FMT_USHORT: |
2538 | 2.84M | case TAG_FMT_ULONG: |
2539 | 2.84M | if (l==1) { |
2540 | 4.09k | add_assoc_long(&tmpi, name, (int)info_value->u); |
2541 | 2.84M | } else { |
2542 | 2.84M | add_index_long(&array, ap, (int)info_value->u); |
2543 | 2.84M | } |
2544 | 2.84M | break; |
2545 | | |
2546 | 9.91k | case TAG_FMT_URATIONAL: |
2547 | 9.91k | snprintf(buffer, sizeof(buffer), "%u/%u", info_value->ur.num, info_value->ur.den); |
2548 | 9.91k | if (l==1) { |
2549 | 1.34k | add_assoc_string(&tmpi, name, buffer); |
2550 | 8.56k | } else { |
2551 | 8.56k | add_index_string(&array, ap, buffer); |
2552 | 8.56k | } |
2553 | 9.91k | break; |
2554 | | |
2555 | 0 | case TAG_FMT_SBYTE: |
2556 | 0 | if (l>1) { |
2557 | 0 | info_value = &info_data->value; |
2558 | 0 | for (int b = 0; b < l; b++) { |
2559 | 0 | add_index_long(&array, ap, (int)info_value->s[b]); |
2560 | 0 | } |
2561 | 0 | break; |
2562 | 0 | } |
2563 | 0 | ZEND_FALLTHROUGH; |
2564 | 384k | case TAG_FMT_SSHORT: |
2565 | 444k | case TAG_FMT_SLONG: |
2566 | 444k | if (l==1) { |
2567 | 30.9k | add_assoc_long(&tmpi, name, info_value->i); |
2568 | 413k | } else { |
2569 | 413k | add_index_long(&array, ap, info_value->i); |
2570 | 413k | } |
2571 | 444k | break; |
2572 | | |
2573 | 80.7k | case TAG_FMT_SRATIONAL: |
2574 | 80.7k | snprintf(buffer, sizeof(buffer), "%i/%i", info_value->sr.num, info_value->sr.den); |
2575 | 80.7k | if (l==1) { |
2576 | 2.76k | add_assoc_string(&tmpi, name, buffer); |
2577 | 77.9k | } else { |
2578 | 77.9k | add_index_string(&array, ap, buffer); |
2579 | 77.9k | } |
2580 | 80.7k | break; |
2581 | | |
2582 | 290k | case TAG_FMT_SINGLE: |
2583 | 290k | if (l==1) { |
2584 | 3.67k | add_assoc_double(&tmpi, name, info_value->f); |
2585 | 287k | } else { |
2586 | 287k | add_index_double(&array, ap, info_value->f); |
2587 | 287k | } |
2588 | 290k | break; |
2589 | | |
2590 | 95.6k | case TAG_FMT_DOUBLE: |
2591 | 95.6k | if (l==1) { |
2592 | 4.19k | add_assoc_double(&tmpi, name, info_value->d); |
2593 | 91.5k | } else { |
2594 | 91.5k | add_index_double(&array, ap, info_value->d); |
2595 | 91.5k | } |
2596 | 95.6k | break; |
2597 | 3.77M | } |
2598 | 3.77M | } |
2599 | 82.1k | if (l > 1) { |
2600 | 35.1k | add_assoc_zval(&tmpi, name, &array); |
2601 | 35.1k | } |
2602 | 82.1k | break; |
2603 | 82.1k | } |
2604 | 382k | } |
2605 | 382k | } |
2606 | 394k | } |
2607 | 14.9k | if (sub_array) { |
2608 | 6.23k | add_assoc_zval(value, exif_get_sectionname(section_index), &tmpi); |
2609 | 6.23k | } |
2610 | 14.9k | } |
2611 | | /* }}} */ |
2612 | | |
2613 | | /* {{{ Markers |
2614 | | JPEG markers consist of one or more 0xFF bytes, followed by a marker |
2615 | | code byte (which is not an FF). Here are the marker codes of interest |
2616 | | in this program. (See jdmarker.c for a more complete list.) |
2617 | | */ |
2618 | | |
2619 | | #define M_TEM 0x01 /* temp for arithmetic coding */ |
2620 | | #define M_RES 0x02 /* reserved */ |
2621 | 202 | #define M_SOF0 0xC0 /* Start Of Frame N */ |
2622 | 429 | #define M_SOF1 0xC1 /* N indicates which compression process */ |
2623 | 632 | #define M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */ |
2624 | 945 | #define M_SOF3 0xC3 |
2625 | | #define M_DHT 0xC4 |
2626 | 1.14k | #define M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */ |
2627 | 1.34k | #define M_SOF6 0xC6 |
2628 | 1.53k | #define M_SOF7 0xC7 |
2629 | | #define M_JPEG 0x08 /* reserved for extensions */ |
2630 | 1.73k | #define M_SOF9 0xC9 |
2631 | 2.10k | #define M_SOF10 0xCA |
2632 | 2.31k | #define M_SOF11 0xCB |
2633 | | #define M_DAC 0xCC /* arithmetic table */ |
2634 | 2.65k | #define M_SOF13 0xCD |
2635 | 2.86k | #define M_SOF14 0xCE |
2636 | 3.06k | #define M_SOF15 0xCF |
2637 | | #define M_RST0 0xD0 /* restart segment */ |
2638 | | #define M_RST1 0xD1 |
2639 | | #define M_RST2 0xD2 |
2640 | | #define M_RST3 0xD3 |
2641 | | #define M_RST4 0xD4 |
2642 | | #define M_RST5 0xD5 |
2643 | | #define M_RST6 0xD6 |
2644 | | #define M_RST7 0xD7 |
2645 | 1.17k | #define M_SOI 0xD8 /* Start Of Image (beginning of datastream) */ |
2646 | 91 | #define M_EOI 0xD9 /* End Of Image (end of datastream) */ |
2647 | 53 | #define M_SOS 0xDA /* Start Of Scan (begins compressed data) */ |
2648 | | #define M_DQT 0xDB |
2649 | | #define M_DNL 0xDC |
2650 | | #define M_DRI 0xDD |
2651 | | #define M_DHP 0xDE |
2652 | | #define M_EXP 0xDF |
2653 | | #define M_APP0 0xE0 /* JPEG: 'JFIFF' AND (additional 'JFXX') */ |
2654 | 3.17k | #define M_EXIF 0xE1 /* Exif Attribute Information */ |
2655 | | #define M_APP2 0xE2 /* Flash Pix Extension Data? */ |
2656 | | #define M_APP3 0xE3 |
2657 | | #define M_APP4 0xE4 |
2658 | | #define M_APP5 0xE5 |
2659 | | #define M_APP6 0xE6 |
2660 | | #define M_APP7 0xE7 |
2661 | | #define M_APP8 0xE8 |
2662 | | #define M_APP9 0xE9 |
2663 | | #define M_APP10 0xEA |
2664 | | #define M_APP11 0xEB |
2665 | 928 | #define M_APP12 0xEC |
2666 | | #define M_APP13 0xED /* IPTC International Press Telecommunications Council */ |
2667 | | #define M_APP14 0xEE /* Software, Copyright? */ |
2668 | | #define M_APP15 0xEF |
2669 | | #define M_JPG0 0xF0 |
2670 | | #define M_JPG1 0xF1 |
2671 | | #define M_JPG2 0xF2 |
2672 | | #define M_JPG3 0xF3 |
2673 | | #define M_JPG4 0xF4 |
2674 | | #define M_JPG5 0xF5 |
2675 | | #define M_JPG6 0xF6 |
2676 | | #define M_JPG7 0xF7 |
2677 | | #define M_JPG8 0xF8 |
2678 | | #define M_JPG9 0xF9 |
2679 | | #define M_JPG10 0xFA |
2680 | | #define M_JPG11 0xFB |
2681 | | #define M_JPG12 0xFC |
2682 | | #define M_JPG13 0xFD |
2683 | 5.32M | #define M_COM 0xFE /* COMment */ |
2684 | | |
2685 | 171k | #define M_PSEUDO 0x123 /* Extra value. */ |
2686 | | /* }}} */ |
2687 | | |
2688 | | /* {{{ exif_process_COM |
2689 | | Process a COM marker. |
2690 | | We want to print out the marker contents as legible text; |
2691 | | we must guard against random junk and varying newline representations. |
2692 | | */ |
2693 | | static void exif_process_COM (image_info_type *image_info, char *value, size_t length) |
2694 | 582k | { |
2695 | 582k | exif_iif_add_tag(image_info, SECTION_COMMENT, "Comment", TAG_COMPUTED_VALUE, TAG_FMT_STRING, length-2, value+2, length-2); |
2696 | 582k | } |
2697 | | /* }}} */ |
2698 | | |
2699 | | /* {{{ exif_process_SOFn |
2700 | | * Process a SOFn marker. This is useful for the image dimensions */ |
2701 | | static void exif_process_SOFn (uchar *Data, int marker, jpeg_sof_info *result) |
2702 | 2.97k | { |
2703 | | /* 0xFF SOSn SectLen(2) Bits(1) Height(2) Width(2) Channels(1) 3*Channels (1) */ |
2704 | 2.97k | result->bits_per_sample = Data[2]; |
2705 | 2.97k | result->height = php_jpg_get16(Data+3); |
2706 | 2.97k | result->width = php_jpg_get16(Data+5); |
2707 | 2.97k | result->num_components = Data[7]; |
2708 | 2.97k | } |
2709 | | /* }}} */ |
2710 | | |
2711 | | /* forward declarations */ |
2712 | | static bool exif_process_IFD_in_JPEG(image_info_type *ImageInfo, char *dir_start, const exif_offset_info *info, size_t displacement, int section_index, int tag); |
2713 | | static bool exif_process_IFD_TAG(image_info_type *ImageInfo, char *dir_entry, const exif_offset_info *info, size_t displacement, int section_index, int ReadNextIFD, tag_table_type tag_table); |
2714 | | static bool exif_process_IFD_in_TIFF(image_info_type *ImageInfo, size_t dir_offset, int section_index); |
2715 | | |
2716 | | /* {{{ exif_get_markername |
2717 | | Get name of marker */ |
2718 | | #ifdef EXIF_DEBUG |
2719 | | static char * exif_get_markername(int marker) |
2720 | | { |
2721 | | switch(marker) { |
2722 | | case 0xC0: return "SOF0"; |
2723 | | case 0xC1: return "SOF1"; |
2724 | | case 0xC2: return "SOF2"; |
2725 | | case 0xC3: return "SOF3"; |
2726 | | case 0xC4: return "DHT"; |
2727 | | case 0xC5: return "SOF5"; |
2728 | | case 0xC6: return "SOF6"; |
2729 | | case 0xC7: return "SOF7"; |
2730 | | case 0xC9: return "SOF9"; |
2731 | | case 0xCA: return "SOF10"; |
2732 | | case 0xCB: return "SOF11"; |
2733 | | case 0xCD: return "SOF13"; |
2734 | | case 0xCE: return "SOF14"; |
2735 | | case 0xCF: return "SOF15"; |
2736 | | case 0xD8: return "SOI"; |
2737 | | case 0xD9: return "EOI"; |
2738 | | case 0xDA: return "SOS"; |
2739 | | case 0xDB: return "DQT"; |
2740 | | case 0xDC: return "DNL"; |
2741 | | case 0xDD: return "DRI"; |
2742 | | case 0xDE: return "DHP"; |
2743 | | case 0xDF: return "EXP"; |
2744 | | case 0xE0: return "APP0"; |
2745 | | case 0xE1: return "EXIF"; |
2746 | | case 0xE2: return "FPIX"; |
2747 | | case 0xE3: return "APP3"; |
2748 | | case 0xE4: return "APP4"; |
2749 | | case 0xE5: return "APP5"; |
2750 | | case 0xE6: return "APP6"; |
2751 | | case 0xE7: return "APP7"; |
2752 | | case 0xE8: return "APP8"; |
2753 | | case 0xE9: return "APP9"; |
2754 | | case 0xEA: return "APP10"; |
2755 | | case 0xEB: return "APP11"; |
2756 | | case 0xEC: return "APP12"; |
2757 | | case 0xED: return "APP13"; |
2758 | | case 0xEE: return "APP14"; |
2759 | | case 0xEF: return "APP15"; |
2760 | | case 0xF0: return "JPG0"; |
2761 | | case 0xFD: return "JPG13"; |
2762 | | case 0xFE: return "COM"; |
2763 | | case 0x01: return "TEM"; |
2764 | | } |
2765 | | return "Unknown"; |
2766 | | } |
2767 | | #endif |
2768 | | /* }}} */ |
2769 | | |
2770 | | /* {{{ Get headername for index or false if not defined */ |
2771 | | PHP_FUNCTION(exif_tagname) |
2772 | 0 | { |
2773 | 0 | zend_long tag; |
2774 | 0 | char *szTemp; |
2775 | |
|
2776 | 0 | if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &tag) == FAILURE) { |
2777 | 0 | RETURN_THROWS(); |
2778 | 0 | } |
2779 | | |
2780 | 0 | szTemp = exif_get_tagname(tag, tag_table_IFD); |
2781 | 0 | if (tag < 0 || !szTemp) { |
2782 | 0 | RETURN_FALSE; |
2783 | 0 | } |
2784 | | |
2785 | 0 | RETURN_STRING(szTemp); |
2786 | 0 | } |
2787 | | /* }}} */ |
2788 | | |
2789 | | /* {{{ exif_ifd_make_value |
2790 | | * Create a value for an ifd from an info_data pointer */ |
2791 | 0 | static void* exif_ifd_make_value(image_info_data *info_data, int motorola_intel) { |
2792 | 0 | size_t byte_count; |
2793 | 0 | char *value_ptr; |
2794 | |
|
2795 | 0 | image_info_value *info_value; |
2796 | |
|
2797 | 0 | byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length; |
2798 | 0 | value_ptr = safe_emalloc(max(byte_count, 4), 1, 0); |
2799 | 0 | memset(value_ptr, 0, 4); |
2800 | 0 | if (!info_data->length) { |
2801 | 0 | return value_ptr; |
2802 | 0 | } |
2803 | 0 | if (info_data->format == TAG_FMT_UNDEFINED || info_data->format == TAG_FMT_STRING |
2804 | 0 | || (byte_count>1 && (info_data->format == TAG_FMT_BYTE || info_data->format == TAG_FMT_SBYTE)) |
2805 | 0 | ) { |
2806 | 0 | memcpy(value_ptr, info_data->value.s, byte_count); |
2807 | 0 | return value_ptr; |
2808 | 0 | } else if (info_data->format == TAG_FMT_BYTE) { |
2809 | 0 | *value_ptr = info_data->value.u; |
2810 | 0 | return value_ptr; |
2811 | 0 | } else if (info_data->format == TAG_FMT_SBYTE) { |
2812 | 0 | *value_ptr = info_data->value.i; |
2813 | 0 | return value_ptr; |
2814 | 0 | } else { |
2815 | 0 | char *data_ptr = value_ptr; |
2816 | 0 | for(size_t i = 0; i < info_data->length; i++) { |
2817 | 0 | if (info_data->length==1) { |
2818 | 0 | info_value = &info_data->value; |
2819 | 0 | } else { |
2820 | 0 | info_value = &info_data->value.list[i]; |
2821 | 0 | } |
2822 | 0 | switch(info_data->format) { |
2823 | 0 | case TAG_FMT_USHORT: |
2824 | 0 | php_ifd_set16u(data_ptr, info_value->u, motorola_intel); |
2825 | 0 | data_ptr += 2; |
2826 | 0 | break; |
2827 | 0 | case TAG_FMT_ULONG: |
2828 | 0 | php_ifd_set32u(data_ptr, info_value->u, motorola_intel); |
2829 | 0 | data_ptr += 4; |
2830 | 0 | break; |
2831 | 0 | case TAG_FMT_SSHORT: |
2832 | 0 | php_ifd_set16u(data_ptr, info_value->i, motorola_intel); |
2833 | 0 | data_ptr += 2; |
2834 | 0 | break; |
2835 | 0 | case TAG_FMT_SLONG: |
2836 | 0 | php_ifd_set32u(data_ptr, info_value->i, motorola_intel); |
2837 | 0 | data_ptr += 4; |
2838 | 0 | break; |
2839 | 0 | case TAG_FMT_URATIONAL: |
2840 | 0 | php_ifd_set32u(data_ptr, info_value->sr.num, motorola_intel); |
2841 | 0 | php_ifd_set32u(data_ptr+4, info_value->sr.den, motorola_intel); |
2842 | 0 | data_ptr += 8; |
2843 | 0 | break; |
2844 | 0 | case TAG_FMT_SRATIONAL: |
2845 | 0 | php_ifd_set32u(data_ptr, info_value->ur.num, motorola_intel); |
2846 | 0 | php_ifd_set32u(data_ptr+4, info_value->ur.den, motorola_intel); |
2847 | 0 | data_ptr += 8; |
2848 | 0 | break; |
2849 | 0 | case TAG_FMT_SINGLE: |
2850 | 0 | memcpy(data_ptr, &info_value->f, 4); |
2851 | 0 | data_ptr += 4; |
2852 | 0 | break; |
2853 | 0 | case TAG_FMT_DOUBLE: |
2854 | 0 | memcpy(data_ptr, &info_value->d, 8); |
2855 | 0 | data_ptr += 8; |
2856 | 0 | break; |
2857 | 0 | } |
2858 | 0 | } |
2859 | 0 | } |
2860 | 0 | return value_ptr; |
2861 | 0 | } |
2862 | | /* }}} */ |
2863 | | |
2864 | | /* {{{ exif_thumbnail_build |
2865 | | * Check and build thumbnail */ |
2866 | 0 | static void exif_thumbnail_build(image_info_type *ImageInfo) { |
2867 | 0 | size_t new_size, new_move, new_value; |
2868 | 0 | char *new_data; |
2869 | 0 | void *value_ptr; |
2870 | 0 | int i, byte_count; |
2871 | 0 | image_info_list *info_list; |
2872 | 0 | image_info_data *info_data; |
2873 | |
|
2874 | 0 | if (!ImageInfo->read_thumbnail || !ImageInfo->Thumbnail.offset || !ImageInfo->Thumbnail.size) { |
2875 | 0 | return; /* ignore this call */ |
2876 | 0 | } |
2877 | | #ifdef EXIF_DEBUG |
2878 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: filetype = %d", ImageInfo->Thumbnail.filetype); |
2879 | | #endif |
2880 | 0 | switch(ImageInfo->Thumbnail.filetype) { |
2881 | 0 | default: |
2882 | 0 | case IMAGE_FILETYPE_JPEG: |
2883 | | /* done */ |
2884 | 0 | break; |
2885 | 0 | case IMAGE_FILETYPE_TIFF_II: |
2886 | 0 | case IMAGE_FILETYPE_TIFF_MM: |
2887 | 0 | info_list = &ImageInfo->info_list[SECTION_THUMBNAIL]; |
2888 | 0 | new_size = 8 + 2 + info_list->count * 12 + 4; |
2889 | | #ifdef EXIF_DEBUG |
2890 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: size of signature + directory(%d): 0x%02X", info_list->count, new_size); |
2891 | | #endif |
2892 | 0 | new_value= new_size; /* offset for ifd values outside ifd directory */ |
2893 | 0 | for (i=0; i<info_list->count; i++) { |
2894 | 0 | info_data = &info_list->list[i]; |
2895 | 0 | byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length; |
2896 | 0 | if (byte_count > 4) { |
2897 | 0 | new_size += byte_count; |
2898 | 0 | } |
2899 | 0 | } |
2900 | 0 | new_move = new_size; |
2901 | 0 | new_data = safe_erealloc(ImageInfo->Thumbnail.data, 1, ImageInfo->Thumbnail.size, new_size); |
2902 | 0 | ImageInfo->Thumbnail.data = new_data; |
2903 | 0 | memmove(ImageInfo->Thumbnail.data + new_move, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size); |
2904 | 0 | ImageInfo->Thumbnail.size += new_size; |
2905 | | /* fill in data */ |
2906 | 0 | if (ImageInfo->motorola_intel) { |
2907 | 0 | memcpy(new_data, "MM\x00\x2a\x00\x00\x00\x08", 8); |
2908 | 0 | } else { |
2909 | 0 | memcpy(new_data, "II\x2a\x00\x08\x00\x00\x00", 8); |
2910 | 0 | } |
2911 | 0 | new_data += 8; |
2912 | 0 | php_ifd_set16u(new_data, info_list->count, ImageInfo->motorola_intel); |
2913 | 0 | new_data += 2; |
2914 | 0 | for (i=0; i<info_list->count; i++) { |
2915 | 0 | info_data = &info_list->list[i]; |
2916 | 0 | byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length; |
2917 | | #ifdef EXIF_DEBUG |
2918 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: process tag(x%04X=%s): %s%s (%d bytes)", info_data->tag, exif_get_tagname_debug(info_data->tag, tag_table_IFD), (info_data->length>1)&&info_data->format!=TAG_FMT_UNDEFINED&&info_data->format!=TAG_FMT_STRING?"ARRAY OF ":"", exif_get_tagformat(info_data->format), byte_count); |
2919 | | #endif |
2920 | 0 | if (info_data->tag==TAG_STRIP_OFFSETS || info_data->tag==TAG_JPEG_INTERCHANGE_FORMAT) { |
2921 | 0 | php_ifd_set16u(new_data + 0, info_data->tag, ImageInfo->motorola_intel); |
2922 | 0 | php_ifd_set16u(new_data + 2, TAG_FMT_ULONG, ImageInfo->motorola_intel); |
2923 | 0 | php_ifd_set32u(new_data + 4, 1, ImageInfo->motorola_intel); |
2924 | 0 | php_ifd_set32u(new_data + 8, new_move, ImageInfo->motorola_intel); |
2925 | 0 | } else { |
2926 | 0 | php_ifd_set16u(new_data + 0, info_data->tag, ImageInfo->motorola_intel); |
2927 | 0 | php_ifd_set16u(new_data + 2, info_data->format, ImageInfo->motorola_intel); |
2928 | 0 | php_ifd_set32u(new_data + 4, info_data->length, ImageInfo->motorola_intel); |
2929 | 0 | value_ptr = exif_ifd_make_value(info_data, ImageInfo->motorola_intel); |
2930 | 0 | if (byte_count <= 4) { |
2931 | 0 | memmove(new_data+8, value_ptr, 4); |
2932 | 0 | } else { |
2933 | 0 | php_ifd_set32u(new_data+8, new_value, ImageInfo->motorola_intel); |
2934 | | #ifdef EXIF_DEBUG |
2935 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: writing with value offset: 0x%04X + 0x%02X", new_value, byte_count); |
2936 | | #endif |
2937 | 0 | memmove(ImageInfo->Thumbnail.data+new_value, value_ptr, byte_count); |
2938 | 0 | new_value += byte_count; |
2939 | 0 | } |
2940 | 0 | efree(value_ptr); |
2941 | 0 | } |
2942 | 0 | new_data += 12; |
2943 | 0 | } |
2944 | 0 | memset(new_data, 0, 4); /* next ifd pointer */ |
2945 | | #ifdef EXIF_DEBUG |
2946 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: created"); |
2947 | | #endif |
2948 | 0 | break; |
2949 | 0 | } |
2950 | 0 | } |
2951 | | /* }}} */ |
2952 | | |
2953 | | /* {{{ exif_thumbnail_extract |
2954 | | * Grab the thumbnail, corrected */ |
2955 | 0 | static void exif_thumbnail_extract(image_info_type *ImageInfo, const exif_offset_info *info) { |
2956 | 0 | if (ImageInfo->Thumbnail.data) { |
2957 | 0 | exif_error_docref("exif_read_data#error_mult_thumb" EXIFERR_CC, ImageInfo, E_WARNING, "Multiple possible thumbnails"); |
2958 | 0 | return; /* Should not happen */ |
2959 | 0 | } |
2960 | 0 | if (!ImageInfo->read_thumbnail) { |
2961 | 0 | return; /* ignore this call */ |
2962 | 0 | } |
2963 | | /* according to exif2.1, the thumbnail is not supposed to be greater than 64K */ |
2964 | 0 | if (ImageInfo->Thumbnail.size >= 65536 |
2965 | 0 | || ImageInfo->Thumbnail.size <= 0 |
2966 | 0 | || ImageInfo->Thumbnail.offset <= 0 |
2967 | 0 | ) { |
2968 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Illegal thumbnail size/offset"); |
2969 | 0 | return; |
2970 | 0 | } |
2971 | | /* Check to make sure we are not going to go past the ExifLength */ |
2972 | 0 | char *thumbnail = exif_offset_info_try_get( |
2973 | 0 | info, ImageInfo->Thumbnail.offset, ImageInfo->Thumbnail.size); |
2974 | 0 | if (!thumbnail) { |
2975 | 0 | EXIF_ERRLOG_THUMBEOF(ImageInfo) |
2976 | 0 | return; |
2977 | 0 | } |
2978 | 0 | ImageInfo->Thumbnail.data = estrndup(thumbnail, ImageInfo->Thumbnail.size); |
2979 | 0 | exif_thumbnail_build(ImageInfo); |
2980 | 0 | } |
2981 | | /* }}} */ |
2982 | | |
2983 | | /* {{{ exif_process_undefined |
2984 | | * Copy a string/buffer in Exif header to a character string and return length of allocated buffer if any. */ |
2985 | 1.51k | static int exif_process_undefined(char **result, const char *value, size_t byte_count) { |
2986 | | /* we cannot use strlcpy - here the problem is that we have to copy NUL |
2987 | | * chars up to byte_count, we also have to add a single NUL character to |
2988 | | * force end of string. |
2989 | | * estrndup does not return length |
2990 | | */ |
2991 | 1.51k | if (byte_count) { |
2992 | 1.51k | (*result) = estrndup(value, byte_count); /* NULL @ byte_count!!! */ |
2993 | 1.51k | return byte_count+1; |
2994 | 1.51k | } |
2995 | 0 | return 0; |
2996 | 1.51k | } |
2997 | | /* }}} */ |
2998 | | |
2999 | | /* {{{ exif_process_string_raw |
3000 | | * Copy a string in Exif header to a character string returns length of allocated buffer if any. */ |
3001 | 6.25k | static int exif_process_string_raw(char **result, const char *value, size_t byte_count) { |
3002 | | /* we cannot use strlcpy - here the problem is that we have to copy NUL |
3003 | | * chars up to byte_count, we also have to add a single NUL character to |
3004 | | * force end of string. |
3005 | | */ |
3006 | 6.25k | if (byte_count) { |
3007 | 4.45k | (*result) = safe_emalloc(byte_count, 1, 1); |
3008 | 4.45k | memcpy(*result, value, byte_count); |
3009 | 4.45k | (*result)[byte_count] = '\0'; |
3010 | 4.45k | return byte_count+1; |
3011 | 4.45k | } |
3012 | 1.79k | return 0; |
3013 | 6.25k | } |
3014 | | /* }}} */ |
3015 | | |
3016 | | /* {{{ exif_process_string |
3017 | | * Copy a string in Exif header to a character string and return length of allocated buffer if any. |
3018 | | * In contrast to exif_process_string this function does always return a string buffer */ |
3019 | 2.21k | static int exif_process_string(char **result, const char *value, size_t byte_count) { |
3020 | | /* we cannot use strlcpy - here the problem is that we cannot use strlen to |
3021 | | * determine length of string and we cannot use strlcpy with len=byte_count+1 |
3022 | | * because then we might get into an EXCEPTION if we exceed an allocated |
3023 | | * memory page...so we use zend_strnlen in conjunction with memcpy and add the NUL |
3024 | | * char. |
3025 | | * estrdup would sometimes allocate more memory and does not return length |
3026 | | */ |
3027 | 2.21k | if ((byte_count=zend_strnlen(value, byte_count)) > 0) { |
3028 | 1.51k | return exif_process_undefined(result, value, byte_count); |
3029 | 1.51k | } |
3030 | 701 | (*result) = estrndup("", 1); /* force empty string */ |
3031 | 701 | return byte_count+1; |
3032 | 2.21k | } |
3033 | | /* }}} */ |
3034 | | |
3035 | | /* {{{ exif_process_user_comment |
3036 | | * Process UserComment in IFD. */ |
3037 | | static int exif_process_user_comment(const image_info_type *ImageInfo, char **pszInfoPtr, char **pszEncoding, char *szValuePtr, int ByteCount) |
3038 | 4.28k | { |
3039 | 4.28k | size_t len; |
3040 | | |
3041 | 4.28k | *pszEncoding = NULL; |
3042 | | /* Copy the comment */ |
3043 | 4.28k | if (ByteCount>=8) { |
3044 | 3.69k | const zend_encoding *from, *to; |
3045 | 3.69k | if (!memcmp(szValuePtr, "UNICODE\0", 8)) { |
3046 | 1.37k | char *decode; |
3047 | 1.37k | *pszEncoding = estrdup(szValuePtr); |
3048 | 1.37k | szValuePtr = szValuePtr+8; |
3049 | 1.37k | ByteCount -= 8; |
3050 | | /* First try to detect BOM: ZERO WIDTH NOBREAK SPACE (FEFF 16) |
3051 | | * since we have no encoding support for the BOM yet we skip that. |
3052 | | */ |
3053 | 1.37k | if (ByteCount >=2 && !memcmp(szValuePtr, "\xFE\xFF", 2)) { |
3054 | 216 | decode = "UCS-2BE"; |
3055 | 216 | szValuePtr = szValuePtr+2; |
3056 | 216 | ByteCount -= 2; |
3057 | 1.15k | } else if (ByteCount >=2 && !memcmp(szValuePtr, "\xFF\xFE", 2)) { |
3058 | 216 | decode = "UCS-2LE"; |
3059 | 216 | szValuePtr = szValuePtr+2; |
3060 | 216 | ByteCount -= 2; |
3061 | 938 | } else if (ImageInfo->motorola_intel) { |
3062 | 217 | decode = ImageInfo->decode_unicode_be; |
3063 | 721 | } else { |
3064 | 721 | decode = ImageInfo->decode_unicode_le; |
3065 | 721 | } |
3066 | 1.37k | to = zend_multibyte_fetch_encoding(ImageInfo->encode_unicode); |
3067 | 1.37k | from = zend_multibyte_fetch_encoding(decode); |
3068 | | /* XXX this will fail again if encoding_converter returns on error something different than SIZE_MAX */ |
3069 | 1.37k | if (!to || !from || zend_multibyte_encoding_converter( |
3070 | 0 | (unsigned char**)pszInfoPtr, |
3071 | 0 | &len, |
3072 | 0 | (unsigned char*)szValuePtr, |
3073 | 0 | ByteCount, |
3074 | 0 | to, |
3075 | 1.37k | from) == (size_t)-1) { |
3076 | 1.37k | len = exif_process_string_raw(pszInfoPtr, szValuePtr, ByteCount); |
3077 | 1.37k | } |
3078 | 1.37k | return len; |
3079 | 2.32k | } else if (!memcmp(szValuePtr, "ASCII\0\0\0", 8)) { |
3080 | 233 | *pszEncoding = estrdup(szValuePtr); |
3081 | 233 | szValuePtr = szValuePtr+8; |
3082 | 233 | ByteCount -= 8; |
3083 | 2.09k | } else if (!memcmp(szValuePtr, "JIS\0\0\0\0\0", 8)) { |
3084 | | /* JIS should be translated to MB or we leave it to the user - leave it to the user */ |
3085 | 697 | *pszEncoding = estrdup(szValuePtr); |
3086 | 697 | szValuePtr = szValuePtr+8; |
3087 | 697 | ByteCount -= 8; |
3088 | | /* XXX this will fail again if encoding_converter returns on error something different than SIZE_MAX */ |
3089 | 697 | to = zend_multibyte_fetch_encoding(ImageInfo->encode_jis); |
3090 | 697 | from = zend_multibyte_fetch_encoding(ImageInfo->motorola_intel ? ImageInfo->decode_jis_be : ImageInfo->decode_jis_le); |
3091 | 697 | if (!to || !from || zend_multibyte_encoding_converter( |
3092 | 0 | (unsigned char**)pszInfoPtr, |
3093 | 0 | &len, |
3094 | 0 | (unsigned char*)szValuePtr, |
3095 | 0 | ByteCount, |
3096 | 0 | to, |
3097 | 697 | from) == (size_t)-1) { |
3098 | 697 | len = exif_process_string_raw(pszInfoPtr, szValuePtr, ByteCount); |
3099 | 697 | } |
3100 | 697 | return len; |
3101 | 1.39k | } else if (!memcmp(szValuePtr, "\0\0\0\0\0\0\0\0", 8)) { |
3102 | | /* 8 NULL means undefined and should be ASCII... */ |
3103 | 245 | *pszEncoding = estrdup("UNDEFINED"); |
3104 | 245 | szValuePtr = szValuePtr+8; |
3105 | 245 | ByteCount -= 8; |
3106 | 245 | } |
3107 | 3.69k | } |
3108 | | |
3109 | | /* Olympus has this padded with trailing spaces. Remove these first. */ |
3110 | 2.21k | if (ByteCount>0) { |
3111 | 2.08k | for (int a = ByteCount-1; a && szValuePtr[a]==' '; a--) { |
3112 | 374 | (szValuePtr)[a] = '\0'; |
3113 | 374 | } |
3114 | 1.71k | } |
3115 | | |
3116 | | /* normal text without encoding */ |
3117 | 2.21k | exif_process_string(pszInfoPtr, szValuePtr, ByteCount); |
3118 | 2.21k | return strlen(*pszInfoPtr); |
3119 | 4.28k | } |
3120 | | /* }}} */ |
3121 | | |
3122 | | /* {{{ exif_process_unicode |
3123 | | * Process unicode field in IFD. */ |
3124 | | static int exif_process_unicode(const image_info_type *ImageInfo, xp_field_type *xp_field, int tag, const char *szValuePtr, int ByteCount) |
3125 | 4.18k | { |
3126 | 4.18k | xp_field->tag = tag; |
3127 | 4.18k | xp_field->value = NULL; |
3128 | | /* XXX this will fail again if encoding_converter returns on error something different than SIZE_MAX */ |
3129 | 4.18k | if (zend_multibyte_encoding_converter( |
3130 | 4.18k | (unsigned char**)&xp_field->value, |
3131 | 4.18k | &xp_field->size, |
3132 | 4.18k | (const unsigned char*)szValuePtr, |
3133 | 4.18k | ByteCount, |
3134 | 4.18k | zend_multibyte_fetch_encoding(ImageInfo->encode_unicode), |
3135 | 4.18k | zend_multibyte_fetch_encoding(ImageInfo->motorola_intel ? ImageInfo->decode_unicode_be : ImageInfo->decode_unicode_le) |
3136 | 4.18k | ) == (size_t)-1) { |
3137 | 4.18k | xp_field->size = exif_process_string_raw(&xp_field->value, szValuePtr, ByteCount); |
3138 | 4.18k | } |
3139 | 4.18k | return xp_field->size; |
3140 | 4.18k | } |
3141 | | /* }}} */ |
3142 | | |
3143 | | /* {{{ exif_process_IFD_in_MAKERNOTE |
3144 | | * Process nested IFDs directories in Maker Note. */ |
3145 | | static bool exif_process_IFD_in_MAKERNOTE(image_info_type *ImageInfo, char * value_ptr, int value_len, const exif_offset_info *info, size_t displacement) |
3146 | 5.04k | { |
3147 | 5.04k | int section_index = SECTION_MAKERNOTE; |
3148 | 5.04k | int NumDirEntries, old_motorola_intel; |
3149 | 5.04k | const maker_note_type *maker_note; |
3150 | 5.04k | char *dir_start; |
3151 | 5.04k | exif_offset_info new_info; |
3152 | | |
3153 | 58.1k | for (size_t i = 0; i <= sizeof(maker_note_array)/sizeof(maker_note_type); i++) { |
3154 | 58.1k | if (i==sizeof(maker_note_array)/sizeof(maker_note_type)) { |
3155 | | #ifdef EXIF_DEBUG |
3156 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "No maker note data found. Detected maker: %s (length = %d)", ImageInfo->make, ImageInfo->make ? strlen(ImageInfo->make) : 0); |
3157 | | #endif |
3158 | | /* unknown manufacturer, not an error, use it as a string */ |
3159 | 1.05k | return true; |
3160 | 1.05k | } |
3161 | | |
3162 | 57.0k | maker_note = maker_note_array+i; |
3163 | | |
3164 | 57.0k | if (maker_note->make && (!ImageInfo->make || strcmp(maker_note->make, ImageInfo->make))) |
3165 | 51.3k | continue; |
3166 | 5.67k | if (maker_note->id_string && value_len >= maker_note->id_string_len |
3167 | 5.67k | && strncmp(maker_note->id_string, value_ptr, maker_note->id_string_len)) |
3168 | 1.68k | continue; |
3169 | 3.99k | break; |
3170 | 5.67k | } |
3171 | | |
3172 | 3.99k | if (value_len < 2 || maker_note->offset >= value_len - 1) { |
3173 | | /* Do not go past the value end */ |
3174 | 845 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "IFD data too short: 0x%04X offset 0x%04X", value_len, maker_note->offset); |
3175 | 845 | return true; |
3176 | 845 | } |
3177 | | |
3178 | 3.14k | if (UNEXPECTED(maker_note->tag_table == REQUIRES_CUSTOM_PARSING)) { |
3179 | | /* Custom parsing required, which is not implemented at this point |
3180 | | * Return true so that other metadata can still be parsed. */ |
3181 | 81 | return true; |
3182 | 81 | } |
3183 | | |
3184 | 3.06k | dir_start = value_ptr + maker_note->offset; |
3185 | | |
3186 | | #ifdef EXIF_DEBUG |
3187 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process %s @0x%04X + 0x%04X=%d: %s", exif_get_sectionname(section_index), (intptr_t)dir_start-(intptr_t)info->offset_base+maker_note->offset+displacement, value_len, value_len, exif_char_dump(value_ptr, value_len, (intptr_t)dir_start-(intptr_t)info->offset_base+maker_note->offset+displacement)); |
3188 | | #endif |
3189 | | |
3190 | 3.06k | ImageInfo->sections_found |= FOUND_MAKERNOTE; |
3191 | | |
3192 | 3.06k | old_motorola_intel = ImageInfo->motorola_intel; |
3193 | 3.06k | switch (maker_note->byte_order) { |
3194 | 996 | case MN_ORDER_INTEL: |
3195 | 996 | ImageInfo->motorola_intel = 0; |
3196 | 996 | break; |
3197 | 434 | case MN_ORDER_MOTOROLA: |
3198 | 434 | ImageInfo->motorola_intel = 1; |
3199 | 434 | break; |
3200 | 0 | default: |
3201 | 1.63k | case MN_ORDER_NORMAL: |
3202 | 1.63k | break; |
3203 | 3.06k | } |
3204 | | |
3205 | 3.06k | NumDirEntries = php_ifd_get16u(dir_start, ImageInfo->motorola_intel); |
3206 | | |
3207 | | /* It can be that motorola_intel is wrongly mapped, let's try inverting it */ |
3208 | 3.06k | if ((2+NumDirEntries*12) > value_len) { |
3209 | 683 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Potentially invalid endianness, trying again with different endianness before imminent failure."); |
3210 | | |
3211 | 683 | ImageInfo->motorola_intel = ImageInfo->motorola_intel == 0 ? 1 : 0; |
3212 | 683 | NumDirEntries = php_ifd_get16u(dir_start, ImageInfo->motorola_intel); |
3213 | 683 | } |
3214 | | |
3215 | 3.06k | if ((2+NumDirEntries*12) > value_len) { |
3216 | 389 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size: 2 + 0x%04X*12 = 0x%04X > 0x%04X", NumDirEntries, 2+NumDirEntries*12, value_len); |
3217 | 389 | return false; |
3218 | 389 | } |
3219 | 2.67k | if ((dir_start - value_ptr) > value_len - (2+NumDirEntries*12)) { |
3220 | 210 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size: 0x%04X > 0x%04X", (dir_start - value_ptr) + (2+NumDirEntries*12), value_len); |
3221 | 210 | return false; |
3222 | 210 | } |
3223 | | |
3224 | 2.46k | switch (maker_note->offset_mode) { |
3225 | 711 | case MN_OFFSET_MAKER: |
3226 | 711 | exif_offset_info_init(&new_info, value_ptr, value_ptr, value_len); |
3227 | 711 | info = &new_info; |
3228 | 711 | break; |
3229 | 0 | default: |
3230 | 1.75k | case MN_OFFSET_NORMAL: |
3231 | 1.75k | break; |
3232 | 2.46k | } |
3233 | | |
3234 | 4.97k | for (int de = 0; de < NumDirEntries; de++) { |
3235 | 3.35k | size_t offset = 2 + 12 * de; |
3236 | 3.35k | if (!exif_process_IFD_TAG(ImageInfo, dir_start + offset, |
3237 | 3.35k | info, displacement, section_index, 0, maker_note->tag_table)) { |
3238 | 847 | return false; |
3239 | 847 | } |
3240 | 3.35k | } |
3241 | 1.61k | ImageInfo->motorola_intel = old_motorola_intel; |
3242 | | /* NextDirOffset (must be NULL) = php_ifd_get32u(dir_start+2+12*de, ImageInfo->motorola_intel);*/ |
3243 | | #ifdef EXIF_DEBUG |
3244 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Subsection %s done", exif_get_sectionname(SECTION_MAKERNOTE)); |
3245 | | #endif |
3246 | 1.61k | return true; |
3247 | 2.46k | } |
3248 | | /* }}} */ |
3249 | | |
3250 | 58.5k | #define REQUIRE_NON_EMPTY() do { \ |
3251 | 58.5k | if (byte_count == 0) { \ |
3252 | 4.53k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Process tag(x%04X=%s): Cannot be empty", tag, exif_get_tagname_debug(tag, tag_table)); \ |
3253 | 4.53k | return false; \ |
3254 | 4.53k | } \ |
3255 | 58.5k | } while (0) |
3256 | | |
3257 | | |
3258 | | /* {{{ exif_process_IFD_TAG |
3259 | | * Process one of the nested IFDs directories. */ |
3260 | | static bool exif_process_IFD_TAG_impl(image_info_type *ImageInfo, char *dir_entry, const exif_offset_info *info, size_t displacement, int section_index, int ReadNextIFD, tag_table_type tag_table) |
3261 | 144k | { |
3262 | 144k | unsigned int tag, format, components; |
3263 | 144k | char *value_ptr, tagname[64], cbuf[32], *outside=NULL; |
3264 | 144k | size_t byte_count, offset_val; |
3265 | 144k | int64_t byte_count_signed; |
3266 | | |
3267 | 144k | tag = php_ifd_get16u(dir_entry, ImageInfo->motorola_intel); |
3268 | 144k | format = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel); |
3269 | 144k | components = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel); |
3270 | | |
3271 | 144k | if (!format || format > NUM_FORMATS) { |
3272 | | /* (-1) catches illegal zero case as unsigned underflows to positive large. */ |
3273 | 65.3k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Process tag(x%04X=%s): Illegal format code 0x%04X, suppose BYTE", tag, exif_get_tagname_debug(tag, tag_table), format); |
3274 | 65.3k | format = TAG_FMT_BYTE; |
3275 | 65.3k | } |
3276 | | |
3277 | 144k | byte_count_signed = (int64_t)components * php_tiff_bytes_per_format[format]; |
3278 | | |
3279 | 144k | if (byte_count_signed < 0 || (byte_count_signed > INT32_MAX)) { |
3280 | 1.95k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Process tag(x%04X=%s): Illegal byte_count", tag, exif_get_tagname_debug(tag, tag_table)); |
3281 | 1.95k | return false; |
3282 | 1.95k | } |
3283 | | |
3284 | 142k | byte_count = (size_t)byte_count_signed; |
3285 | | |
3286 | 142k | if (byte_count > 4) { |
3287 | | /* If its bigger than 4 bytes, the dir entry contains an offset. */ |
3288 | 78.4k | offset_val = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel); |
3289 | 78.4k | value_ptr = exif_offset_info_try_get(info, offset_val, byte_count); |
3290 | 78.4k | if (!value_ptr) { |
3291 | | /* It is important to check for IMAGE_FILETYPE_TIFF |
3292 | | * JPEG does not use absolute pointers instead its pointers are |
3293 | | * relative to the start of the TIFF header in APP1 section. */ |
3294 | | // TODO: Shouldn't we also be taking "displacement" into account here? |
3295 | 48.6k | if (byte_count > ImageInfo->FileSize || offset_val>ImageInfo->FileSize-byte_count || (ImageInfo->FileType!=IMAGE_FILETYPE_TIFF_II && ImageInfo->FileType!=IMAGE_FILETYPE_TIFF_MM && ImageInfo->FileType!=IMAGE_FILETYPE_JPEG)) { |
3296 | 5.46k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Process tag(x%04X=%s): Illegal pointer offset(x%04X + x%04X = x%04X > x%04X)", tag, exif_get_tagname_debug(tag, tag_table), offset_val, byte_count, offset_val+byte_count, ImageInfo->FileSize); |
3297 | 5.46k | return false; |
3298 | 5.46k | } |
3299 | 43.2k | if (byte_count>sizeof(cbuf)) { |
3300 | | /* mark as outside range and get buffer */ |
3301 | 23.8k | value_ptr = safe_emalloc(byte_count, 1, 0); |
3302 | 23.8k | outside = value_ptr; |
3303 | 23.8k | } else { |
3304 | | /* In most cases we only access a small range so |
3305 | | * it is faster to use a static buffer there |
3306 | | * BUT it offers also the possibility to have |
3307 | | * pointers read without the need to free them |
3308 | | * explicitly before returning. */ |
3309 | 19.4k | memset(&cbuf, 0, sizeof(cbuf)); |
3310 | 19.4k | value_ptr = cbuf; |
3311 | 19.4k | } |
3312 | | |
3313 | 43.2k | size_t fpos = php_stream_tell(ImageInfo->infile); |
3314 | 43.2k | php_stream_seek(ImageInfo->infile, displacement+offset_val, SEEK_SET); |
3315 | 43.2k | size_t fgot = php_stream_tell(ImageInfo->infile); |
3316 | 43.2k | if (fgot!=displacement+offset_val) { |
3317 | 0 | EFREE_IF(outside); |
3318 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Wrong file pointer: 0x%08X != 0x%08X", fgot, displacement+offset_val); |
3319 | 0 | return false; |
3320 | 0 | } |
3321 | 43.2k | fgot = exif_read_from_stream_file_looped(ImageInfo->infile, value_ptr, byte_count); |
3322 | 43.2k | php_stream_seek(ImageInfo->infile, fpos, SEEK_SET); |
3323 | 43.2k | if (fgot != byte_count) { |
3324 | 32 | EFREE_IF(outside); |
3325 | 32 | EXIF_ERRLOG_FILEEOF(ImageInfo) |
3326 | 32 | return false; |
3327 | 32 | } |
3328 | 43.2k | } |
3329 | 78.4k | } else { |
3330 | | /* 4 bytes or less and value is in the dir entry itself */ |
3331 | 63.9k | value_ptr = dir_entry+8; |
3332 | | // TODO: This is dubious, but the value is only used for debugging. |
3333 | 63.9k | offset_val = value_ptr-info->offset_base; |
3334 | 63.9k | } |
3335 | | |
3336 | 136k | ImageInfo->sections_found |= FOUND_ANY_TAG; |
3337 | | #ifdef EXIF_DEBUG |
3338 | | int dump_free; |
3339 | | char *dump_data = exif_dump_data(&dump_free, format, components, ImageInfo->motorola_intel, value_ptr); |
3340 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, |
3341 | | "Process tag(x%04X=%s,@0x%04X + x%04X(=%d)): %s%s %s", |
3342 | | tag, exif_get_tagname_debug(tag, tag_table), offset_val+displacement, byte_count, byte_count, (components>1)&&format!=TAG_FMT_UNDEFINED&&format!=TAG_FMT_STRING?"ARRAY OF ":"", exif_get_tagformat(format), dump_data); |
3343 | | if (dump_free) { |
3344 | | efree(dump_data); |
3345 | | } |
3346 | | #endif |
3347 | | |
3348 | | /* NB: The following code may not assume that there is at least one component! |
3349 | | * byte_count may be zero! */ |
3350 | | |
3351 | 136k | if (section_index==SECTION_THUMBNAIL) { |
3352 | 43.1k | if (!ImageInfo->Thumbnail.data) { |
3353 | 43.1k | REQUIRE_NON_EMPTY(); |
3354 | 40.3k | switch(tag) { |
3355 | 3.05k | case TAG_IMAGEWIDTH: |
3356 | 4.06k | case TAG_COMP_IMAGE_WIDTH: |
3357 | 4.06k | ImageInfo->Thumbnail.width = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3358 | 4.06k | break; |
3359 | | |
3360 | 2.52k | case TAG_IMAGEHEIGHT: |
3361 | 3.01k | case TAG_COMP_IMAGE_HEIGHT: |
3362 | 3.01k | ImageInfo->Thumbnail.height = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3363 | 3.01k | break; |
3364 | | |
3365 | 2.03k | case TAG_STRIP_OFFSETS: |
3366 | 4.08k | case TAG_JPEG_INTERCHANGE_FORMAT: |
3367 | | /* accept both formats */ |
3368 | 4.08k | ImageInfo->Thumbnail.offset = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3369 | 4.08k | break; |
3370 | | |
3371 | 4.89k | case TAG_STRIP_BYTE_COUNTS: |
3372 | 4.89k | if (ImageInfo->FileType == IMAGE_FILETYPE_TIFF_II || ImageInfo->FileType == IMAGE_FILETYPE_TIFF_MM) { |
3373 | 4.61k | ImageInfo->Thumbnail.filetype = ImageInfo->FileType; |
3374 | 4.61k | } else { |
3375 | | /* motorola is easier to read */ |
3376 | 277 | ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_TIFF_MM; |
3377 | 277 | } |
3378 | 4.89k | ImageInfo->Thumbnail.size = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3379 | 4.89k | break; |
3380 | | |
3381 | 1.62k | case TAG_JPEG_INTERCHANGE_FORMAT_LEN: |
3382 | 1.62k | if (ImageInfo->Thumbnail.filetype == IMAGE_FILETYPE_UNKNOWN) { |
3383 | 321 | ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_JPEG; |
3384 | 321 | ImageInfo->Thumbnail.size = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3385 | 321 | } |
3386 | 1.62k | break; |
3387 | 40.3k | } |
3388 | 40.3k | } |
3389 | 93.7k | } else { |
3390 | 93.7k | if (section_index==SECTION_IFD0 || section_index==SECTION_EXIF) |
3391 | 69.6k | switch(tag) { |
3392 | 2.97k | case TAG_COPYRIGHT: { |
3393 | 2.97k | size_t length; |
3394 | | /* check for "<photographer> NUL <editor> NUL" */ |
3395 | 2.97k | if (byte_count>1 && (length=zend_strnlen(value_ptr, byte_count)) > 0) { |
3396 | 2.20k | if (length<byte_count-1) { |
3397 | | /* When there are any characters after the first NUL */ |
3398 | 1.92k | EFREE_IF(ImageInfo->CopyrightPhotographer); |
3399 | 1.92k | EFREE_IF(ImageInfo->CopyrightEditor); |
3400 | 1.92k | EFREE_IF(ImageInfo->Copyright); |
3401 | 1.92k | ImageInfo->CopyrightPhotographer = estrdup(value_ptr); |
3402 | 1.92k | ImageInfo->CopyrightEditor = estrndup(value_ptr+length+1, byte_count-length-1); |
3403 | 1.92k | spprintf(&ImageInfo->Copyright, 0, "%s, %s", ImageInfo->CopyrightPhotographer, ImageInfo->CopyrightEditor); |
3404 | | /* format = TAG_FMT_UNDEFINED; this mustn't be ASCII */ |
3405 | | /* but we are not supposed to change this */ |
3406 | | /* keep in mind that image_info does not store editor value */ |
3407 | 1.92k | } else { |
3408 | 286 | EFREE_IF(ImageInfo->Copyright); |
3409 | 286 | ImageInfo->Copyright = estrndup(value_ptr, byte_count); |
3410 | 286 | } |
3411 | 2.20k | } |
3412 | 2.97k | break; |
3413 | 0 | } |
3414 | | |
3415 | 4.28k | case TAG_USERCOMMENT: |
3416 | 4.28k | EFREE_IF(ImageInfo->UserComment); |
3417 | 4.28k | ImageInfo->UserComment = NULL; |
3418 | 4.28k | EFREE_IF(ImageInfo->UserCommentEncoding); |
3419 | 4.28k | ImageInfo->UserCommentEncoding = NULL; |
3420 | 4.28k | ImageInfo->UserCommentLength = exif_process_user_comment(ImageInfo, &(ImageInfo->UserComment), &(ImageInfo->UserCommentEncoding), value_ptr, byte_count); |
3421 | 4.28k | break; |
3422 | | |
3423 | 1.37k | case TAG_XP_TITLE: |
3424 | 1.97k | case TAG_XP_COMMENTS: |
3425 | 2.74k | case TAG_XP_AUTHOR: |
3426 | 3.56k | case TAG_XP_KEYWORDS: |
3427 | 4.18k | case TAG_XP_SUBJECT: { |
3428 | 4.18k | xp_field_type *tmp_xp = (xp_field_type*)safe_erealloc(ImageInfo->xp_fields.list, (ImageInfo->xp_fields.count+1), sizeof(xp_field_type), 0); |
3429 | 4.18k | ImageInfo->sections_found |= FOUND_WINXP; |
3430 | 4.18k | ImageInfo->xp_fields.list = tmp_xp; |
3431 | 4.18k | ImageInfo->xp_fields.count++; |
3432 | 4.18k | exif_process_unicode(ImageInfo, &(ImageInfo->xp_fields.list[ImageInfo->xp_fields.count-1]), tag, value_ptr, byte_count); |
3433 | 4.18k | break; |
3434 | 3.56k | } |
3435 | | |
3436 | 1.01k | case TAG_FNUMBER: |
3437 | | /* Simplest way of expressing aperture, so I trust it the most. |
3438 | | (overwrite previously computed value if there is one) */ |
3439 | 1.01k | REQUIRE_NON_EMPTY(); |
3440 | 774 | ImageInfo->ApertureFNumber = (float)exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel); |
3441 | 774 | break; |
3442 | | |
3443 | 823 | case TAG_APERTURE: |
3444 | 1.25k | case TAG_MAX_APERTURE: |
3445 | | /* More relevant info always comes earlier, so only use this field if we don't |
3446 | | have appropriate aperture information yet. */ |
3447 | 1.25k | if (ImageInfo->ApertureFNumber == 0) { |
3448 | 666 | REQUIRE_NON_EMPTY(); |
3449 | 421 | ImageInfo->ApertureFNumber |
3450 | 421 | = expf(exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel)*logf(2.0)*0.5); |
3451 | 421 | } |
3452 | 1.01k | break; |
3453 | | |
3454 | 1.59k | case TAG_SHUTTERSPEED: |
3455 | | /* More complicated way of expressing exposure time, so only use |
3456 | | this value if we don't already have it from somewhere else. |
3457 | | SHUTTERSPEED comes after EXPOSURE TIME |
3458 | | */ |
3459 | 1.59k | if (ImageInfo->ExposureTime == 0) { |
3460 | 1.05k | REQUIRE_NON_EMPTY(); |
3461 | 810 | ImageInfo->ExposureTime |
3462 | 810 | = expf(-exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel)*logf(2.0)); |
3463 | 810 | } |
3464 | 1.34k | break; |
3465 | 1.34k | case TAG_EXPOSURETIME: |
3466 | 506 | ImageInfo->ExposureTime = -1; |
3467 | 506 | break; |
3468 | | |
3469 | 1.64k | case TAG_COMP_IMAGE_WIDTH: |
3470 | 1.64k | REQUIRE_NON_EMPTY(); |
3471 | 1.39k | ImageInfo->ExifImageWidth = exif_convert_any_to_int(value_ptr, exif_rewrite_tag_format_to_unsigned(format), ImageInfo->motorola_intel); |
3472 | 1.39k | break; |
3473 | | |
3474 | 2.99k | case TAG_FOCALPLANE_X_RES: |
3475 | 2.99k | REQUIRE_NON_EMPTY(); |
3476 | 2.76k | ImageInfo->FocalplaneXRes = exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel); |
3477 | 2.76k | break; |
3478 | | |
3479 | 1.62k | case TAG_SUBJECT_DISTANCE: |
3480 | | /* Indicates the distance the autofocus camera is focused to. |
3481 | | Tends to be less accurate as distance increases. */ |
3482 | 1.62k | REQUIRE_NON_EMPTY(); |
3483 | 1.39k | ImageInfo->Distance = (float)exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel); |
3484 | 1.39k | break; |
3485 | | |
3486 | 5.34k | case TAG_FOCALPLANE_RESOLUTION_UNIT: |
3487 | 5.34k | REQUIRE_NON_EMPTY(); |
3488 | 5.10k | switch (exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel)) { |
3489 | 287 | case 1: ImageInfo->FocalplaneUnits = 25.4; break; /* inch */ |
3490 | 291 | case 2: |
3491 | | /* According to the information I was using, 2 means meters. |
3492 | | But looking at the Cannon powershot's files, inches is the only |
3493 | | sensible value. */ |
3494 | 291 | ImageInfo->FocalplaneUnits = 25.4; |
3495 | 291 | break; |
3496 | | |
3497 | 245 | case 3: ImageInfo->FocalplaneUnits = 10; break; /* centimeter */ |
3498 | 586 | case 4: ImageInfo->FocalplaneUnits = 1; break; /* millimeter */ |
3499 | 377 | case 5: ImageInfo->FocalplaneUnits = .001; break; /* micrometer */ |
3500 | 5.10k | } |
3501 | 5.10k | break; |
3502 | | |
3503 | 5.10k | case TAG_SUB_IFD: |
3504 | 152 | if (format==TAG_FMT_IFD) { |
3505 | | /* If this is called we are either in a TIFFs thumbnail or a JPEG where we cannot handle it */ |
3506 | | /* TIFF thumbnail: our data structure cannot store a thumbnail of a thumbnail */ |
3507 | | /* JPEG do we have the data area and what to do with it */ |
3508 | 76 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Skip SUB IFD"); |
3509 | 76 | } |
3510 | 152 | break; |
3511 | | |
3512 | 3.91k | case TAG_MAKE: |
3513 | 3.91k | EFREE_IF(ImageInfo->make); |
3514 | 3.91k | ImageInfo->make = estrndup(value_ptr, byte_count); |
3515 | 3.91k | break; |
3516 | 347 | case TAG_MODEL: |
3517 | 347 | EFREE_IF(ImageInfo->model); |
3518 | 347 | ImageInfo->model = estrndup(value_ptr, byte_count); |
3519 | 347 | break; |
3520 | | |
3521 | 5.04k | case TAG_MAKER_NOTE: |
3522 | 5.04k | if (!exif_process_IFD_in_MAKERNOTE(ImageInfo, value_ptr, byte_count, info, displacement)) { |
3523 | 1.44k | EFREE_IF(outside); |
3524 | 1.44k | return false; |
3525 | 1.44k | } |
3526 | 3.60k | break; |
3527 | | |
3528 | 3.60k | case TAG_EXIF_IFD_POINTER: |
3529 | 620 | case TAG_GPS_IFD_POINTER: |
3530 | 1.01k | case TAG_INTEROP_IFD_POINTER: |
3531 | 1.01k | if (ReadNextIFD) { |
3532 | 1.01k | REQUIRE_NON_EMPTY(); |
3533 | 1.01k | char *Subdir_start; |
3534 | 1.01k | int sub_section_index = 0; |
3535 | 1.01k | switch(tag) { |
3536 | 521 | case TAG_EXIF_IFD_POINTER: |
3537 | | #ifdef EXIF_DEBUG |
3538 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found EXIF"); |
3539 | | #endif |
3540 | 521 | ImageInfo->sections_found |= FOUND_EXIF; |
3541 | 521 | sub_section_index = SECTION_EXIF; |
3542 | 521 | break; |
3543 | 98 | case TAG_GPS_IFD_POINTER: |
3544 | | #ifdef EXIF_DEBUG |
3545 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found GPS"); |
3546 | | #endif |
3547 | 98 | ImageInfo->sections_found |= FOUND_GPS; |
3548 | 98 | sub_section_index = SECTION_GPS; |
3549 | 98 | break; |
3550 | 397 | case TAG_INTEROP_IFD_POINTER: |
3551 | | #ifdef EXIF_DEBUG |
3552 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found INTEROPERABILITY"); |
3553 | | #endif |
3554 | 397 | ImageInfo->sections_found |= FOUND_INTEROP; |
3555 | 397 | sub_section_index = SECTION_INTEROP; |
3556 | 397 | break; |
3557 | 1.01k | } |
3558 | 1.01k | offset_val = php_ifd_get32u(value_ptr, ImageInfo->motorola_intel); |
3559 | 1.01k | Subdir_start = exif_offset_info_try_get(info, offset_val, 0); |
3560 | 1.01k | if (!Subdir_start) { |
3561 | 30 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD Pointer"); |
3562 | 30 | EFREE_IF(outside); |
3563 | 30 | return false; |
3564 | 30 | } |
3565 | 986 | if (!exif_process_IFD_in_JPEG(ImageInfo, Subdir_start, info, displacement, sub_section_index, tag)) { |
3566 | 443 | EFREE_IF(outside); |
3567 | 443 | return false; |
3568 | 443 | } |
3569 | | #ifdef EXIF_DEBUG |
3570 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Subsection %s done", exif_get_sectionname(sub_section_index)); |
3571 | | #endif |
3572 | 986 | } |
3573 | 69.6k | } |
3574 | 93.7k | } |
3575 | 130k | exif_iif_add_tag(ImageInfo, section_index, exif_get_tagname_key(tag, tagname, sizeof(tagname), tag_table), tag, format, components, value_ptr, byte_count); |
3576 | 130k | EFREE_IF(outside); |
3577 | 130k | return true; |
3578 | 136k | } |
3579 | | /* }}} */ |
3580 | | |
3581 | | static bool exif_process_IFD_TAG(image_info_type *ImageInfo, char *dir_entry, const exif_offset_info *info, size_t displacement, int section_index, int ReadNextIFD, tag_table_type tag_table) |
3582 | 196k | { |
3583 | 196k | bool result; |
3584 | | /* Protect against corrupt headers */ |
3585 | 196k | if (ImageInfo->ifd_count++ > MAX_IFD_TAGS) { |
3586 | 1.03k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "corrupt EXIF header: maximum IFD tag count reached"); |
3587 | 1.03k | return false; |
3588 | 1.03k | } |
3589 | 195k | if (ImageInfo->ifd_nesting_level > MAX_IFD_NESTING_LEVEL) { |
3590 | 51.0k | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "corrupt EXIF header: maximum directory nesting level reached"); |
3591 | 51.0k | return false; |
3592 | 51.0k | } |
3593 | 144k | ImageInfo->ifd_nesting_level++; |
3594 | 144k | result = exif_process_IFD_TAG_impl(ImageInfo, dir_entry, info, displacement, section_index, ReadNextIFD, tag_table); |
3595 | 144k | ImageInfo->ifd_nesting_level--; |
3596 | 144k | return result; |
3597 | 195k | } |
3598 | | |
3599 | | /* {{{ exif_process_IFD_in_JPEG |
3600 | | * Process one of the nested IFDs directories. */ |
3601 | | static bool exif_process_IFD_in_JPEG(image_info_type *ImageInfo, char *dir_start, const exif_offset_info *info, size_t displacement, int section_index, int tag) |
3602 | 1.94k | { |
3603 | 1.94k | int de; |
3604 | 1.94k | int NumDirEntries; |
3605 | 1.94k | int NextDirOffset = 0; |
3606 | | |
3607 | | #ifdef EXIF_DEBUG |
3608 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process %s (x%04X(=%d))", exif_get_sectionname(section_index), exif_offset_info_length(info), exif_offset_info_length(info)); |
3609 | | #endif |
3610 | | |
3611 | 1.94k | ImageInfo->sections_found |= FOUND_IFD0; |
3612 | | |
3613 | 1.94k | if (!exif_offset_info_contains(info, dir_start, 2)) { |
3614 | 9 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size"); |
3615 | 9 | return false; |
3616 | 9 | } |
3617 | | |
3618 | 1.93k | NumDirEntries = php_ifd_get16u(dir_start, ImageInfo->motorola_intel); |
3619 | | |
3620 | 1.93k | if (!exif_offset_info_contains(info, dir_start+2, NumDirEntries*12)) { |
3621 | 16 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size: x%04X + 2 + x%04X*12 = x%04X > x%04X", (int)((size_t)dir_start+2-(size_t)info->valid_start), NumDirEntries, (int)((size_t)dir_start+2+NumDirEntries*12-(size_t)info->valid_start), info->valid_end - info->valid_start); |
3622 | 16 | return false; |
3623 | 16 | } |
3624 | | |
3625 | 7.74k | for (de=0;de<NumDirEntries;de++) { |
3626 | 6.39k | if (!exif_process_IFD_TAG(ImageInfo, dir_start + 2 + 12 * de, |
3627 | 6.39k | info, displacement, section_index, 1, exif_get_tag_table(section_index))) { |
3628 | 572 | return false; |
3629 | 572 | } |
3630 | 6.39k | } |
3631 | | /* |
3632 | | * Ignore IFD2 if it purportedly exists |
3633 | | */ |
3634 | 1.34k | if (section_index == SECTION_THUMBNAIL) { |
3635 | 517 | return true; |
3636 | 517 | } |
3637 | | /* |
3638 | | * Hack to make it process IDF1 I hope |
3639 | | * There are 2 IDFs, the second one holds the keys (0x0201 and 0x0202) to the thumbnail |
3640 | | */ |
3641 | 829 | if (!exif_offset_info_contains(info, dir_start+2+NumDirEntries*12, 4)) { |
3642 | 26 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size"); |
3643 | 26 | return false; |
3644 | 26 | } |
3645 | | |
3646 | 803 | if (tag != TAG_EXIF_IFD_POINTER && tag != TAG_GPS_IFD_POINTER) { |
3647 | 617 | NextDirOffset = php_ifd_get32u(dir_start+2+12*de, ImageInfo->motorola_intel); |
3648 | 617 | } |
3649 | | |
3650 | 803 | if (NextDirOffset) { |
3651 | 603 | char *next_dir_start = exif_offset_info_try_get(info, NextDirOffset, 0); |
3652 | 603 | if (!next_dir_start) { |
3653 | 65 | exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD offset"); |
3654 | 65 | return false; |
3655 | 65 | } |
3656 | | /* That is the IFD for the first thumbnail */ |
3657 | | #ifdef EXIF_DEBUG |
3658 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Expect next IFD to be thumbnail"); |
3659 | | #endif |
3660 | 538 | if (exif_process_IFD_in_JPEG(ImageInfo, next_dir_start, info, displacement, SECTION_THUMBNAIL, 0)) { |
3661 | | #ifdef EXIF_DEBUG |
3662 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail size: 0x%04X", ImageInfo->Thumbnail.size); |
3663 | | #endif |
3664 | 517 | if (ImageInfo->Thumbnail.filetype != IMAGE_FILETYPE_UNKNOWN |
3665 | 517 | && ImageInfo->Thumbnail.size |
3666 | 517 | && ImageInfo->Thumbnail.offset |
3667 | 517 | && ImageInfo->read_thumbnail |
3668 | 517 | ) { |
3669 | 0 | exif_thumbnail_extract(ImageInfo, info); |
3670 | 0 | } |
3671 | 517 | return true; |
3672 | 517 | } else { |
3673 | 21 | return false; |
3674 | 21 | } |
3675 | 538 | } |
3676 | 200 | return true; |
3677 | 803 | } |
3678 | | /* }}} */ |
3679 | | |
3680 | | /* {{{ exif_process_TIFF_in_JPEG |
3681 | | Process a TIFF header in a JPEG file |
3682 | | */ |
3683 | | static void exif_process_TIFF_in_JPEG(image_info_type *ImageInfo, char *CharBuf, size_t length, size_t displacement) |
3684 | 2.11k | { |
3685 | 2.11k | unsigned exif_value_2a, offset_of_ifd; |
3686 | 2.11k | exif_offset_info info; |
3687 | | |
3688 | 2.11k | if (length < 2) { |
3689 | 194 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Missing TIFF alignment marker"); |
3690 | 194 | return; |
3691 | 194 | } |
3692 | | |
3693 | | /* set the thumbnail stuff to nothing so we can test to see if they get set up */ |
3694 | 1.92k | if (memcmp(CharBuf, "II", 2) == 0) { |
3695 | 905 | ImageInfo->motorola_intel = 0; |
3696 | 1.01k | } else if (memcmp(CharBuf, "MM", 2) == 0) { |
3697 | 687 | ImageInfo->motorola_intel = 1; |
3698 | 687 | } else { |
3699 | 332 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF alignment marker"); |
3700 | 332 | return; |
3701 | 332 | } |
3702 | | |
3703 | | /* Check the next two values for correctness. */ |
3704 | 1.59k | if (length < 8) { |
3705 | 393 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF start (1)"); |
3706 | 393 | return; |
3707 | 393 | } |
3708 | 1.19k | exif_value_2a = php_ifd_get16u(CharBuf+2, ImageInfo->motorola_intel); |
3709 | 1.19k | offset_of_ifd = php_ifd_get32u(CharBuf+4, ImageInfo->motorola_intel); |
3710 | 1.19k | if (exif_value_2a != 0x2a || offset_of_ifd < 0x08) { |
3711 | 530 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF start (1)"); |
3712 | 530 | return; |
3713 | 530 | } |
3714 | 669 | if (offset_of_ifd > length) { |
3715 | 250 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid IFD start"); |
3716 | 250 | return; |
3717 | 250 | } |
3718 | | |
3719 | 419 | ImageInfo->sections_found |= FOUND_IFD0; |
3720 | | /* First directory starts at offset 8. Offsets starts at 0. */ |
3721 | 419 | exif_offset_info_init(&info, CharBuf, CharBuf, length/*-14*/); |
3722 | 419 | exif_process_IFD_in_JPEG(ImageInfo, CharBuf+offset_of_ifd, &info, displacement, SECTION_IFD0, 0); |
3723 | | |
3724 | | #ifdef EXIF_DEBUG |
3725 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process TIFF in JPEG done"); |
3726 | | #endif |
3727 | | |
3728 | | /* Compute the CCD width, in millimeters. */ |
3729 | 419 | if (ImageInfo->FocalplaneXRes != 0) { |
3730 | 2 | ImageInfo->CCDWidth = (float)(ImageInfo->ExifImageWidth * ImageInfo->FocalplaneUnits / ImageInfo->FocalplaneXRes); |
3731 | 2 | } |
3732 | 419 | } |
3733 | | /* }}} */ |
3734 | | |
3735 | | /* {{{ exif_process_APP1 |
3736 | | Process an JPEG APP1 block marker |
3737 | | Describes all the drivel that most digital cameras include... |
3738 | | */ |
3739 | | static void exif_process_APP1(image_info_type *ImageInfo, char *CharBuf, size_t length, size_t displacement) |
3740 | 2.97k | { |
3741 | | /* Check the APP1 for Exif Identifier Code */ |
3742 | 2.97k | static const uchar ExifHeader[] = {0x45, 0x78, 0x69, 0x66, 0x00, 0x00}; |
3743 | 2.97k | if (length <= 8 || memcmp(CharBuf+2, ExifHeader, 6)) { |
3744 | 859 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Incorrect APP1 Exif Identifier Code"); |
3745 | 859 | return; |
3746 | 859 | } |
3747 | 2.11k | exif_process_TIFF_in_JPEG(ImageInfo, CharBuf + 8, length - 8, displacement+8); |
3748 | | #ifdef EXIF_DEBUG |
3749 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process APP1/EXIF done"); |
3750 | | #endif |
3751 | 2.11k | } |
3752 | | /* }}} */ |
3753 | | |
3754 | | /* {{{ exif_process_APP12 |
3755 | | Process an JPEG APP12 block marker used by OLYMPUS |
3756 | | */ |
3757 | | static void exif_process_APP12(image_info_type *ImageInfo, char *buffer, size_t length) |
3758 | 928 | { |
3759 | 928 | size_t l1, l2=0; |
3760 | | |
3761 | 928 | if ((l1 = zend_strnlen(buffer+2, length-2)) > 0) { |
3762 | 615 | exif_iif_add_tag(ImageInfo, SECTION_APP12, "Company", TAG_NONE, TAG_FMT_STRING, l1, buffer+2, l1); |
3763 | 615 | if (length > 2+l1+1) { |
3764 | 270 | l2 = zend_strnlen(buffer+2+l1+1, length-2-l1-1); |
3765 | 270 | exif_iif_add_tag(ImageInfo, SECTION_APP12, "Info", TAG_NONE, TAG_FMT_STRING, l2, buffer+2+l1+1, l2); |
3766 | 270 | } |
3767 | 615 | } |
3768 | | #ifdef EXIF_DEBUG |
3769 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process section APP12 with l1=%d, l2=%d done", l1, l2); |
3770 | | #endif |
3771 | 928 | } |
3772 | | /* }}} */ |
3773 | | |
3774 | | /* {{{ exif_scan_JPEG_header |
3775 | | * Parse the marker stream until SOS or EOI is seen; */ |
3776 | | static bool exif_scan_JPEG_header(image_info_type *ImageInfo) |
3777 | 1.16k | { |
3778 | 1.16k | int sn; |
3779 | 1.16k | int marker = 0, last_marker = M_PSEUDO, comment_correction=1; |
3780 | 1.16k | unsigned int ll, lh; |
3781 | 1.16k | uchar *Data; |
3782 | 1.16k | size_t fpos, size, got, itemlen; |
3783 | 1.16k | jpeg_sof_info sof_info; |
3784 | | |
3785 | 592k | while (true) { |
3786 | | #ifdef EXIF_DEBUG |
3787 | | fpos = php_stream_tell(ImageInfo->infile); |
3788 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Needing section %d @ 0x%08X", ImageInfo->file.count, fpos); |
3789 | | #endif |
3790 | | |
3791 | | /* get marker byte, swallowing possible padding */ |
3792 | | /* some software does not count the length bytes of COM section */ |
3793 | | /* one company doing so is very much involved in JPEG... so we accept too */ |
3794 | 592k | if (last_marker==M_COM && comment_correction) { |
3795 | 766 | comment_correction = 2; |
3796 | 766 | } |
3797 | 597k | do { |
3798 | 597k | if ((marker = php_stream_getc(ImageInfo->infile)) == EOF) { |
3799 | 642 | EXIF_ERRLOG_CORRUPT(ImageInfo) |
3800 | 642 | return false; |
3801 | 642 | } |
3802 | 596k | if (last_marker==M_COM && comment_correction>0) { |
3803 | 1.10k | if (marker!=0xFF) { |
3804 | 538 | marker = 0xff; |
3805 | 538 | comment_correction--; |
3806 | 570 | } else { |
3807 | 570 | last_marker = M_PSEUDO; /* stop skipping 0 for M_COM */ |
3808 | 570 | } |
3809 | 1.10k | } |
3810 | 596k | } while (marker == 0xff); |
3811 | 591k | if (last_marker==M_COM && !comment_correction) { |
3812 | 581k | exif_error_docref("exif_read_data#error_mcom" EXIFERR_CC, ImageInfo, E_NOTICE, "Image has corrupt COM section: some software set wrong length information"); |
3813 | 581k | } |
3814 | 591k | if (last_marker==M_COM && comment_correction) |
3815 | 0 | return M_EOI; /* ah illegal: char after COM section not 0xFF */ |
3816 | | |
3817 | 591k | fpos = php_stream_tell(ImageInfo->infile); |
3818 | | |
3819 | | /* safety net in case the above algorithm change dramatically, should not trigger */ |
3820 | 591k | ZEND_ASSERT(marker != 0xff); |
3821 | | |
3822 | | /* Read the length of the section. */ |
3823 | 591k | if ((lh = php_stream_getc(ImageInfo->infile)) == (unsigned int)EOF) { |
3824 | 73 | EXIF_ERRLOG_CORRUPT(ImageInfo) |
3825 | 73 | return false; |
3826 | 73 | } |
3827 | 591k | if ((ll = php_stream_getc(ImageInfo->infile)) == (unsigned int)EOF) { |
3828 | 81 | EXIF_ERRLOG_CORRUPT(ImageInfo) |
3829 | 81 | return false; |
3830 | 81 | } |
3831 | | |
3832 | 591k | itemlen = (lh << 8) | ll; |
3833 | | |
3834 | 591k | if (itemlen < 2) { |
3835 | | #ifdef EXIF_DEBUG |
3836 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s, Section length: 0x%02X%02X", EXIF_ERROR_CORRUPT, lh, ll); |
3837 | | #else |
3838 | 10 | EXIF_ERRLOG_CORRUPT(ImageInfo) |
3839 | 10 | #endif |
3840 | 10 | return false; |
3841 | 10 | } |
3842 | | |
3843 | 591k | sn = exif_file_sections_add(ImageInfo, marker, itemlen, NULL); |
3844 | 591k | Data = ImageInfo->file.list[sn].data; |
3845 | | |
3846 | | /* Store first two pre-read bytes. */ |
3847 | 591k | Data[0] = (uchar)lh; |
3848 | 591k | Data[1] = (uchar)ll; |
3849 | | |
3850 | 591k | got = exif_read_from_stream_file_looped(ImageInfo->infile, (char*)(Data+2), itemlen-2); /* Read the whole section. */ |
3851 | 591k | if (got != itemlen-2) { |
3852 | 126 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Error reading from file: got=x%04X(=%d) != itemlen-2=x%04X(=%d)", got, got, itemlen-2, itemlen-2); |
3853 | 126 | return false; |
3854 | 126 | } |
3855 | | |
3856 | | #ifdef EXIF_DEBUG |
3857 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process section(x%02X=%s) @ x%04X + x%04X(=%d)", marker, exif_get_markername(marker), fpos, itemlen, itemlen); |
3858 | | #endif |
3859 | 591k | switch(marker) { |
3860 | 53 | case M_SOS: /* stop before hitting compressed data */ |
3861 | | /* If reading entire image is requested, read the rest of the data. */ |
3862 | 53 | if (ImageInfo->read_all) { |
3863 | | /* Determine how much file is left. */ |
3864 | 0 | fpos = php_stream_tell(ImageInfo->infile); |
3865 | 0 | size = ImageInfo->FileSize - fpos; |
3866 | 0 | sn = exif_file_sections_add(ImageInfo, M_PSEUDO, size, NULL); |
3867 | 0 | Data = ImageInfo->file.list[sn].data; |
3868 | 0 | got = exif_read_from_stream_file_looped(ImageInfo->infile, (char*)Data, size); |
3869 | 0 | if (got != size) { |
3870 | 0 | EXIF_ERRLOG_FILEEOF(ImageInfo) |
3871 | 0 | return false; |
3872 | 0 | } |
3873 | 0 | } |
3874 | 53 | return true; |
3875 | | |
3876 | 91 | case M_EOI: /* in case it's a tables-only JPEG stream */ |
3877 | 91 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "No image in jpeg!"); |
3878 | 91 | return (ImageInfo->sections_found&(~FOUND_COMPUTED)) ? true : false; |
3879 | | |
3880 | 582k | case M_COM: /* Comment section */ |
3881 | 582k | exif_process_COM(ImageInfo, (char *)Data, itemlen); |
3882 | 582k | break; |
3883 | | |
3884 | 3.17k | case M_EXIF: |
3885 | 3.17k | if (!(ImageInfo->sections_found&FOUND_IFD0)) { |
3886 | | /*ImageInfo->sections_found |= FOUND_EXIF;*/ |
3887 | | /* Seen files from some 'U-lead' software with Vivitar scanner |
3888 | | that uses marker 31 later in the file (no clue what for!) */ |
3889 | 2.97k | exif_process_APP1(ImageInfo, (char *)Data, itemlen, fpos); |
3890 | 2.97k | } |
3891 | 3.17k | break; |
3892 | | |
3893 | 928 | case M_APP12: |
3894 | 928 | exif_process_APP12(ImageInfo, (char *)Data, itemlen); |
3895 | 928 | break; |
3896 | | |
3897 | | |
3898 | 202 | case M_SOF0: |
3899 | 429 | case M_SOF1: |
3900 | 632 | case M_SOF2: |
3901 | 945 | case M_SOF3: |
3902 | 1.14k | case M_SOF5: |
3903 | 1.34k | case M_SOF6: |
3904 | 1.53k | case M_SOF7: |
3905 | 1.73k | case M_SOF9: |
3906 | 2.10k | case M_SOF10: |
3907 | 2.31k | case M_SOF11: |
3908 | 2.65k | case M_SOF13: |
3909 | 2.86k | case M_SOF14: |
3910 | 3.06k | case M_SOF15: |
3911 | 3.06k | if ((itemlen - 2) < 6) { |
3912 | 91 | return false; |
3913 | 91 | } |
3914 | | |
3915 | 2.97k | exif_process_SOFn(Data, marker, &sof_info); |
3916 | 2.97k | ImageInfo->Width = sof_info.width; |
3917 | 2.97k | ImageInfo->Height = sof_info.height; |
3918 | 2.97k | if (sof_info.num_components == 3) { |
3919 | 613 | ImageInfo->IsColor = 1; |
3920 | 2.36k | } else { |
3921 | 2.36k | ImageInfo->IsColor = 0; |
3922 | 2.36k | } |
3923 | 2.97k | break; |
3924 | 1.63k | default: |
3925 | | /* skip any other marker silently. */ |
3926 | 1.63k | break; |
3927 | 591k | } |
3928 | | |
3929 | | /* keep track of last marker */ |
3930 | 591k | last_marker = marker; |
3931 | 591k | } |
3932 | | #ifdef EXIF_DEBUG |
3933 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Done"); |
3934 | | #endif |
3935 | 0 | return true; |
3936 | 1.16k | } |
3937 | | /* }}} */ |
3938 | | |
3939 | | /* {{{ exif_scan_thumbnail |
3940 | | * scan JPEG in thumbnail (memory) */ |
3941 | | static bool exif_scan_thumbnail(image_info_type *ImageInfo) |
3942 | 449 | { |
3943 | 449 | uchar c, *data = (uchar*)ImageInfo->Thumbnail.data; |
3944 | 449 | int n, marker; |
3945 | 449 | size_t length=2, pos=0; |
3946 | 449 | jpeg_sof_info sof_info; |
3947 | | |
3948 | 449 | if (!data || ImageInfo->Thumbnail.size < 4) { |
3949 | 449 | return false; /* nothing to do here */ |
3950 | 449 | } |
3951 | 0 | if (memcmp(data, "\xFF\xD8\xFF", 3)) { |
3952 | 0 | if (!ImageInfo->Thumbnail.width && !ImageInfo->Thumbnail.height) { |
3953 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Thumbnail is not a JPEG image"); |
3954 | 0 | } |
3955 | 0 | return false; |
3956 | 0 | } |
3957 | 0 | for (;;) { |
3958 | 0 | pos += length; |
3959 | 0 | if (pos>=ImageInfo->Thumbnail.size) |
3960 | 0 | return false; |
3961 | 0 | c = data[pos++]; |
3962 | 0 | if (pos>=ImageInfo->Thumbnail.size) |
3963 | 0 | return false; |
3964 | 0 | if (c != 0xFF) { |
3965 | 0 | return false; |
3966 | 0 | } |
3967 | 0 | n = 8; |
3968 | 0 | while ((c = data[pos++]) == 0xFF && n--) { |
3969 | 0 | if (pos+3>=ImageInfo->Thumbnail.size) |
3970 | 0 | return false; |
3971 | | /* +3 = pos++ of next check when reaching marker + 2 bytes for length */ |
3972 | 0 | } |
3973 | 0 | if (c == 0xFF) |
3974 | 0 | return false; |
3975 | 0 | marker = c; |
3976 | 0 | if (pos>=ImageInfo->Thumbnail.size) |
3977 | 0 | return false; |
3978 | 0 | length = php_jpg_get16(data+pos); |
3979 | 0 | if (length > ImageInfo->Thumbnail.size || pos >= ImageInfo->Thumbnail.size - length) { |
3980 | 0 | return false; |
3981 | 0 | } |
3982 | | #ifdef EXIF_DEBUG |
3983 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: process section(x%02X=%s) @ x%04X + x%04X", marker, exif_get_markername(marker), pos, length); |
3984 | | #endif |
3985 | 0 | switch (marker) { |
3986 | 0 | case M_SOF0: |
3987 | 0 | case M_SOF1: |
3988 | 0 | case M_SOF2: |
3989 | 0 | case M_SOF3: |
3990 | 0 | case M_SOF5: |
3991 | 0 | case M_SOF6: |
3992 | 0 | case M_SOF7: |
3993 | 0 | case M_SOF9: |
3994 | 0 | case M_SOF10: |
3995 | 0 | case M_SOF11: |
3996 | 0 | case M_SOF13: |
3997 | 0 | case M_SOF14: |
3998 | 0 | case M_SOF15: |
3999 | | /* handle SOFn block */ |
4000 | 0 | if (length < 8 || ImageInfo->Thumbnail.size - 8 < pos) { |
4001 | | /* exif_process_SOFn needs 8 bytes */ |
4002 | 0 | return false; |
4003 | 0 | } |
4004 | 0 | exif_process_SOFn(data+pos, marker, &sof_info); |
4005 | 0 | ImageInfo->Thumbnail.height = sof_info.height; |
4006 | 0 | ImageInfo->Thumbnail.width = sof_info.width; |
4007 | | #ifdef EXIF_DEBUG |
4008 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: size: %d * %d", sof_info.width, sof_info.height); |
4009 | | #endif |
4010 | 0 | return true; |
4011 | | |
4012 | 0 | case M_SOS: |
4013 | 0 | case M_EOI: |
4014 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Could not compute size of thumbnail"); |
4015 | 0 | return false; |
4016 | 0 | break; |
4017 | | |
4018 | 0 | default: |
4019 | | /* just skip */ |
4020 | 0 | break; |
4021 | 0 | } |
4022 | 0 | } |
4023 | | |
4024 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Could not compute size of thumbnail"); |
4025 | 0 | return false; |
4026 | 0 | } |
4027 | | /* }}} */ |
4028 | | |
4029 | | /* {{{ exif_process_IFD_in_TIFF |
4030 | | * Parse the TIFF header; */ |
4031 | | static bool exif_process_IFD_in_TIFF_impl(image_info_type *ImageInfo, size_t dir_offset, int section_index) |
4032 | 179k | { |
4033 | 179k | int i, sn, num_entries, sub_section_index = 0; |
4034 | 179k | unsigned char *dir_entry; |
4035 | 179k | size_t ifd_size, dir_size, next_offset, entry_length, entry_value=0; |
4036 | 179k | int entry_tag , entry_type; |
4037 | 179k | tag_table_type tag_table = exif_get_tag_table(section_index); |
4038 | | |
4039 | 179k | if (ImageInfo->FileSize >= 2 && ImageInfo->FileSize - 2 >= dir_offset) { |
4040 | 169k | sn = exif_file_sections_add(ImageInfo, M_PSEUDO, 2, NULL); |
4041 | | #ifdef EXIF_DEBUG |
4042 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF: filesize(x%04X), IFD dir(x%04X + x%04X)", ImageInfo->FileSize, dir_offset, 2); |
4043 | | #endif |
4044 | 169k | php_stream_seek(ImageInfo->infile, dir_offset, SEEK_SET); /* we do not know the order of sections */ |
4045 | 169k | if (UNEXPECTED(exif_read_from_stream_file_looped(ImageInfo->infile, (char*)ImageInfo->file.list[sn].data, 2) != 2)) { |
4046 | 0 | return false; |
4047 | 0 | } |
4048 | 169k | num_entries = php_ifd_get16u(ImageInfo->file.list[sn].data, ImageInfo->motorola_intel); |
4049 | 169k | dir_size = 2/*num dir entries*/ +12/*length of entry*/*(size_t)num_entries +4/* offset to next ifd (points to thumbnail or NULL)*/; |
4050 | 169k | if (ImageInfo->FileSize >= dir_size && ImageInfo->FileSize - dir_size >= dir_offset) { |
4051 | | #ifdef EXIF_DEBUG |
4052 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF: filesize(x%04X), IFD dir(x%04X + x%04X), IFD entries(%d)", ImageInfo->FileSize, dir_offset+2, dir_size-2, num_entries); |
4053 | | #endif |
4054 | 167k | if (exif_file_sections_realloc(ImageInfo, sn, dir_size)) { |
4055 | 0 | return false; |
4056 | 0 | } |
4057 | 167k | if (UNEXPECTED(exif_read_from_stream_file_looped(ImageInfo->infile, (char*)(ImageInfo->file.list[sn].data+2), dir_size-2) != dir_size - 2)) { |
4058 | 0 | return false; |
4059 | 0 | } |
4060 | 167k | next_offset = php_ifd_get32u(ImageInfo->file.list[sn].data + dir_size - 4, ImageInfo->motorola_intel); |
4061 | | #ifdef EXIF_DEBUG |
4062 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF done, next offset x%04X", next_offset); |
4063 | | #endif |
4064 | | /* now we have the directory we can look how long it should be */ |
4065 | 167k | ifd_size = dir_size; |
4066 | 18.9M | for(i=0;i<num_entries;i++) { |
4067 | 18.7M | dir_entry = ImageInfo->file.list[sn].data+2+i*12; |
4068 | 18.7M | entry_tag = php_ifd_get16u(dir_entry+0, ImageInfo->motorola_intel); |
4069 | 18.7M | entry_type = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel); |
4070 | 18.7M | if (entry_type > NUM_FORMATS) { |
4071 | 15.6M | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF: tag(0x%04X,%12s): Illegal format code 0x%04X, switching to BYTE", entry_tag, exif_get_tagname_debug(entry_tag, tag_table), entry_type); |
4072 | | /* Since this is repeated in exif_process_IFD_TAG make it a notice here */ |
4073 | | /* and make it a warning in the exif_process_IFD_TAG which is called */ |
4074 | | /* elsewhere. */ |
4075 | 15.6M | entry_type = TAG_FMT_BYTE; |
4076 | | /*The next line would break the image on writeback: */ |
4077 | | /* php_ifd_set16u(dir_entry+2, entry_type, ImageInfo->motorola_intel);*/ |
4078 | 15.6M | } |
4079 | 18.7M | entry_length = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel) * php_tiff_bytes_per_format[entry_type]; |
4080 | 18.7M | if (entry_length <= 4) { |
4081 | 2.93M | switch(entry_type) { |
4082 | 24.5k | case TAG_FMT_USHORT: |
4083 | 24.5k | entry_value = php_ifd_get16u(dir_entry+8, ImageInfo->motorola_intel); |
4084 | 24.5k | break; |
4085 | 18.1k | case TAG_FMT_SSHORT: |
4086 | 18.1k | entry_value = php_ifd_get16s(dir_entry+8, ImageInfo->motorola_intel); |
4087 | 18.1k | break; |
4088 | 11.1k | case TAG_FMT_ULONG: |
4089 | 11.1k | entry_value = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel); |
4090 | 11.1k | break; |
4091 | 14.1k | case TAG_FMT_SLONG: |
4092 | 14.1k | entry_value = php_ifd_get32s(dir_entry+8, ImageInfo->motorola_intel); |
4093 | 14.1k | break; |
4094 | 2.93M | } |
4095 | 2.93M | switch(entry_tag) { |
4096 | 49.7k | case TAG_IMAGEWIDTH: |
4097 | 54.1k | case TAG_COMP_IMAGE_WIDTH: |
4098 | 54.1k | ImageInfo->Width = entry_value; |
4099 | 54.1k | break; |
4100 | 10.6k | case TAG_IMAGEHEIGHT: |
4101 | 12.2k | case TAG_COMP_IMAGE_HEIGHT: |
4102 | 12.2k | ImageInfo->Height = entry_value; |
4103 | 12.2k | break; |
4104 | 6.10k | case TAG_PHOTOMETRIC_INTERPRETATION: |
4105 | 6.10k | switch (entry_value) { |
4106 | 1.32k | case PMI_BLACK_IS_ZERO: |
4107 | 2.00k | case PMI_WHITE_IS_ZERO: |
4108 | 2.56k | case PMI_TRANSPARENCY_MASK: |
4109 | 2.56k | ImageInfo->IsColor = 0; |
4110 | 2.56k | break; |
4111 | 608 | case PMI_RGB: |
4112 | 1.27k | case PMI_PALETTE_COLOR: |
4113 | 1.84k | case PMI_SEPARATED: |
4114 | 2.41k | case PMI_YCBCR: |
4115 | 2.64k | case PMI_CIELAB: |
4116 | 2.64k | ImageInfo->IsColor = 1; |
4117 | 2.64k | break; |
4118 | 6.10k | } |
4119 | 6.10k | break; |
4120 | 2.93M | } |
4121 | 15.8M | } else { |
4122 | 15.8M | size_t entry_offset = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel); |
4123 | | /* if entry needs expanding ifd cache and entry is at end of current ifd cache. */ |
4124 | | /* otherwise there may be huge holes between two entries */ |
4125 | 15.8M | if (entry_offset + entry_length > dir_offset + ifd_size |
4126 | 15.8M | && entry_offset == dir_offset + ifd_size) { |
4127 | 6.94k | ifd_size = entry_offset + entry_length - dir_offset; |
4128 | | #ifdef EXIF_DEBUG |
4129 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Resize struct: x%04X + x%04X - x%04X = x%04X", entry_offset, entry_length, dir_offset, ifd_size); |
4130 | | #endif |
4131 | 6.94k | } |
4132 | 15.8M | } |
4133 | 18.7M | } |
4134 | 167k | if (ImageInfo->FileSize >= ImageInfo->file.list[sn].size && ImageInfo->FileSize - ImageInfo->file.list[sn].size >= dir_offset) { |
4135 | 167k | if (ifd_size > dir_size) { |
4136 | 6.94k | if (ImageInfo->FileSize < ifd_size || dir_offset > ImageInfo->FileSize - ifd_size) { |
4137 | 736 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Error in TIFF: filesize(x%04X) less than size of IFD(x%04X + x%04X)", ImageInfo->FileSize, dir_offset, ifd_size); |
4138 | 736 | return false; |
4139 | 736 | } |
4140 | 6.20k | if (exif_file_sections_realloc(ImageInfo, sn, ifd_size)) { |
4141 | 0 | return false; |
4142 | 0 | } |
4143 | | /* read values not stored in directory itself */ |
4144 | | #ifdef EXIF_DEBUG |
4145 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF: filesize(x%04X), IFD(x%04X + x%04X)", ImageInfo->FileSize, dir_offset, ifd_size); |
4146 | | #endif |
4147 | 6.20k | exif_read_from_stream_file_looped(ImageInfo->infile, (char*)(ImageInfo->file.list[sn].data+dir_size), ifd_size-dir_size); |
4148 | | #ifdef EXIF_DEBUG |
4149 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF, done"); |
4150 | | #endif |
4151 | 6.20k | } |
4152 | | /* now process the tags */ |
4153 | 463k | for(i=0;i<num_entries;i++) { |
4154 | 361k | dir_entry = ImageInfo->file.list[sn].data+2+i*12; |
4155 | 361k | entry_tag = php_ifd_get16u(dir_entry+0, ImageInfo->motorola_intel); |
4156 | 361k | entry_type = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel); |
4157 | | /*entry_length = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel);*/ |
4158 | 361k | if (entry_tag == TAG_EXIF_IFD_POINTER || |
4159 | 361k | entry_tag == TAG_INTEROP_IFD_POINTER || |
4160 | 361k | entry_tag == TAG_GPS_IFD_POINTER || |
4161 | 361k | entry_tag == TAG_SUB_IFD |
4162 | 361k | ) { |
4163 | 175k | switch(entry_tag) { |
4164 | 116k | case TAG_EXIF_IFD_POINTER: |
4165 | 116k | ImageInfo->sections_found |= FOUND_EXIF; |
4166 | 116k | sub_section_index = SECTION_EXIF; |
4167 | 116k | break; |
4168 | 11.2k | case TAG_GPS_IFD_POINTER: |
4169 | 11.2k | ImageInfo->sections_found |= FOUND_GPS; |
4170 | 11.2k | sub_section_index = SECTION_GPS; |
4171 | 11.2k | break; |
4172 | 21.4k | case TAG_INTEROP_IFD_POINTER: |
4173 | 21.4k | ImageInfo->sections_found |= FOUND_INTEROP; |
4174 | 21.4k | sub_section_index = SECTION_INTEROP; |
4175 | 21.4k | break; |
4176 | 26.1k | case TAG_SUB_IFD: |
4177 | 26.1k | ImageInfo->sections_found |= FOUND_THUMBNAIL; |
4178 | 26.1k | sub_section_index = SECTION_THUMBNAIL; |
4179 | 26.1k | break; |
4180 | 175k | } |
4181 | 175k | size_t entry_offset = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel); |
4182 | | #ifdef EXIF_DEBUG |
4183 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Next IFD: %s @0x%04X", exif_get_sectionname(sub_section_index), entry_offset); |
4184 | | #endif |
4185 | 175k | exif_process_IFD_in_TIFF(ImageInfo, entry_offset, sub_section_index); |
4186 | 175k | if (section_index!=SECTION_THUMBNAIL && entry_tag==TAG_SUB_IFD) { |
4187 | 4.29k | if (ImageInfo->Thumbnail.filetype != IMAGE_FILETYPE_UNKNOWN |
4188 | 4.29k | && ImageInfo->Thumbnail.size |
4189 | 4.29k | && ImageInfo->Thumbnail.offset |
4190 | 4.29k | && ImageInfo->read_thumbnail |
4191 | 4.29k | ) { |
4192 | | #ifdef EXIF_DEBUG |
4193 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "%s THUMBNAIL @0x%04X + 0x%04X", ImageInfo->Thumbnail.data ? "Ignore" : "Read", ImageInfo->Thumbnail.offset, ImageInfo->Thumbnail.size); |
4194 | | #endif |
4195 | 0 | if (!ImageInfo->Thumbnail.data) { |
4196 | 0 | ImageInfo->Thumbnail.data = safe_emalloc(ImageInfo->Thumbnail.size, 1, 0); |
4197 | 0 | php_stream_seek(ImageInfo->infile, ImageInfo->Thumbnail.offset, SEEK_SET); |
4198 | 0 | size_t fgot = exif_read_from_stream_file_looped(ImageInfo->infile, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size); |
4199 | 0 | if (fgot != ImageInfo->Thumbnail.size) { |
4200 | 0 | EXIF_ERRLOG_THUMBEOF(ImageInfo) |
4201 | 0 | efree(ImageInfo->Thumbnail.data); |
4202 | |
|
4203 | 0 | ImageInfo->Thumbnail.data = NULL; |
4204 | 0 | } else { |
4205 | 0 | exif_thumbnail_build(ImageInfo); |
4206 | 0 | } |
4207 | 0 | } |
4208 | 0 | } |
4209 | 4.29k | } |
4210 | | #ifdef EXIF_DEBUG |
4211 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Next IFD: %s done", exif_get_sectionname(sub_section_index)); |
4212 | | #endif |
4213 | 186k | } else { |
4214 | 186k | exif_offset_info info; |
4215 | 186k | exif_offset_info_init(&info, |
4216 | 186k | (char *) (ImageInfo->file.list[sn].data - dir_offset), |
4217 | 186k | (char *) ImageInfo->file.list[sn].data, ifd_size); |
4218 | 186k | if (!exif_process_IFD_TAG(ImageInfo, (char*)dir_entry, &info, |
4219 | 186k | 0, section_index, 0, tag_table)) { |
4220 | 64.5k | return false; |
4221 | 64.5k | } |
4222 | 186k | } |
4223 | 361k | } |
4224 | | /* If we had a thumbnail in a SUB_IFD we have ANOTHER image in NEXT IFD */ |
4225 | 102k | if (next_offset && section_index != SECTION_THUMBNAIL) { |
4226 | | /* this should be a thumbnail IFD */ |
4227 | | /* the thumbnail itself is stored at Tag=StripOffsets */ |
4228 | | #ifdef EXIF_DEBUG |
4229 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read next IFD (THUMBNAIL) at x%04X", next_offset); |
4230 | | #endif |
4231 | 59.7k | exif_process_IFD_in_TIFF(ImageInfo, next_offset, SECTION_THUMBNAIL); |
4232 | | #ifdef EXIF_DEBUG |
4233 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "%s THUMBNAIL @0x%04X + 0x%04X", ImageInfo->Thumbnail.data ? "Ignore" : "Read", ImageInfo->Thumbnail.offset, ImageInfo->Thumbnail.size); |
4234 | | #endif |
4235 | 59.7k | if (!ImageInfo->Thumbnail.data && ImageInfo->Thumbnail.offset && ImageInfo->Thumbnail.size && ImageInfo->read_thumbnail) { |
4236 | 0 | ImageInfo->Thumbnail.data = safe_emalloc(ImageInfo->Thumbnail.size, 1, 0); |
4237 | 0 | php_stream_seek(ImageInfo->infile, ImageInfo->Thumbnail.offset, SEEK_SET); |
4238 | 0 | size_t fgot = exif_read_from_stream_file_looped(ImageInfo->infile, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size); |
4239 | 0 | if (fgot != ImageInfo->Thumbnail.size) { |
4240 | 0 | EXIF_ERRLOG_THUMBEOF(ImageInfo) |
4241 | 0 | efree(ImageInfo->Thumbnail.data); |
4242 | 0 | ImageInfo->Thumbnail.data = NULL; |
4243 | 0 | } else { |
4244 | 0 | exif_thumbnail_build(ImageInfo); |
4245 | 0 | } |
4246 | 0 | } |
4247 | | #ifdef EXIF_DEBUG |
4248 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read next IFD (THUMBNAIL) done"); |
4249 | | #endif |
4250 | 59.7k | } |
4251 | 102k | return true; |
4252 | 166k | } else { |
4253 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Error in TIFF: filesize(x%04X) less than size of IFD(x%04X)", ImageInfo->FileSize, dir_offset+ImageInfo->file.list[sn].size); |
4254 | 0 | return false; |
4255 | 0 | } |
4256 | 167k | } else { |
4257 | 2.51k | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Error in TIFF: filesize(x%04X) less than size of IFD dir(x%04X)", ImageInfo->FileSize, dir_offset+dir_size); |
4258 | 2.51k | return false; |
4259 | 2.51k | } |
4260 | 169k | } else { |
4261 | 9.91k | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Error in TIFF: filesize(x%04X) less than start of IFD dir(x%04X)", ImageInfo->FileSize, dir_offset+2); |
4262 | 9.91k | return false; |
4263 | 9.91k | } |
4264 | 179k | } |
4265 | | /* }}} */ |
4266 | | |
4267 | | static bool exif_process_IFD_in_TIFF(image_info_type *ImageInfo, size_t dir_offset, int section_index) |
4268 | 239k | { |
4269 | 239k | bool result; |
4270 | 239k | if (ImageInfo->ifd_count++ > MAX_IFD_TAGS) { |
4271 | 855 | return false; |
4272 | 855 | } |
4273 | 239k | if (ImageInfo->ifd_nesting_level > MAX_IFD_NESTING_LEVEL) { |
4274 | 59.2k | return false; |
4275 | 59.2k | } |
4276 | 179k | ImageInfo->ifd_nesting_level++; |
4277 | 179k | result = exif_process_IFD_in_TIFF_impl(ImageInfo, dir_offset, section_index); |
4278 | 179k | ImageInfo->ifd_nesting_level--; |
4279 | 179k | return result; |
4280 | 239k | } |
4281 | | |
4282 | | /* {{{ exif_scan_FILE_header |
4283 | | * Parse the marker stream until SOS or EOI is seen; */ |
4284 | | static bool exif_scan_FILE_header(image_info_type *ImageInfo) |
4285 | 6.11k | { |
4286 | 6.11k | unsigned char file_header[8]; |
4287 | | |
4288 | 6.11k | ImageInfo->FileType = IMAGE_FILETYPE_UNKNOWN; |
4289 | | |
4290 | 6.11k | if (UNEXPECTED(ImageInfo->FileSize < 2)) { |
4291 | 2 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "File too small (%d)", ImageInfo->FileSize); |
4292 | 2 | return false; |
4293 | 2 | } |
4294 | | |
4295 | 6.11k | php_stream_seek(ImageInfo->infile, 0, SEEK_SET); |
4296 | 6.11k | if (exif_read_from_stream_file_looped(ImageInfo->infile, (char*)file_header, 2) != 2) { |
4297 | 0 | return false; |
4298 | 0 | } |
4299 | | |
4300 | 6.11k | if ((file_header[0]==0xff) && (file_header[1]==M_SOI)) { |
4301 | 1.16k | ImageInfo->FileType = IMAGE_FILETYPE_JPEG; |
4302 | 1.16k | if (exif_scan_JPEG_header(ImageInfo)) { |
4303 | 143 | return true; |
4304 | 1.02k | } else { |
4305 | 1.02k | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid JPEG file"); |
4306 | 1.02k | return false; |
4307 | 1.02k | } |
4308 | 4.94k | } else if (ImageInfo->FileSize >= 8) { |
4309 | 4.92k | if (exif_read_from_stream_file_looped(ImageInfo->infile, (char*)(file_header+2), 6) != 6) { |
4310 | 0 | return false; |
4311 | 0 | } |
4312 | | |
4313 | 4.92k | if (!memcmp(file_header, "II\x2A\x00", 4)) { |
4314 | 3.52k | ImageInfo->FileType = IMAGE_FILETYPE_TIFF_II; |
4315 | 3.52k | ImageInfo->motorola_intel = 0; |
4316 | | #ifdef EXIF_DEBUG |
4317 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "File has TIFF/II format"); |
4318 | | #endif |
4319 | 3.52k | ImageInfo->sections_found |= FOUND_IFD0; |
4320 | 3.52k | if (exif_process_IFD_in_TIFF( |
4321 | 3.52k | ImageInfo, |
4322 | 3.52k | php_ifd_get32u(file_header + 4, ImageInfo->motorola_intel), |
4323 | 3.52k | SECTION_IFD0 |
4324 | 3.52k | )) { |
4325 | 3.05k | return true; |
4326 | 3.05k | } else { |
4327 | 472 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF file"); |
4328 | 472 | return false; |
4329 | 472 | } |
4330 | 3.52k | } else if (!memcmp(file_header, "MM\x00\x2a", 4)) { |
4331 | 1.36k | ImageInfo->FileType = IMAGE_FILETYPE_TIFF_MM; |
4332 | 1.36k | ImageInfo->motorola_intel = 1; |
4333 | | #ifdef EXIF_DEBUG |
4334 | | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "File has TIFF/MM format"); |
4335 | | #endif |
4336 | 1.36k | ImageInfo->sections_found |= FOUND_IFD0; |
4337 | 1.36k | if (exif_process_IFD_in_TIFF( |
4338 | 1.36k | ImageInfo, |
4339 | 1.36k | php_ifd_get32u(file_header + 4, ImageInfo->motorola_intel), |
4340 | 1.36k | SECTION_IFD0 |
4341 | 1.36k | )) { |
4342 | 1.17k | return true; |
4343 | 1.17k | } else { |
4344 | 193 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF file"); |
4345 | 193 | return false; |
4346 | 193 | } |
4347 | 1.36k | } else { |
4348 | 28 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "File not supported"); |
4349 | 28 | return false; |
4350 | 28 | } |
4351 | 4.92k | } |
4352 | 23 | return false; |
4353 | 6.11k | } |
4354 | | /* }}} */ |
4355 | | |
4356 | | /* {{{ exif_discard_imageinfo |
4357 | | Discard data scanned by exif_read_file. |
4358 | | */ |
4359 | | static void exif_discard_imageinfo(image_info_type *ImageInfo) |
4360 | 6.11k | { |
4361 | 6.11k | int i; |
4362 | | |
4363 | 6.11k | EFREE_IF(ImageInfo->FileName); |
4364 | 6.11k | EFREE_IF(ImageInfo->UserComment); |
4365 | 6.11k | EFREE_IF(ImageInfo->UserCommentEncoding); |
4366 | 6.11k | EFREE_IF(ImageInfo->Copyright); |
4367 | 6.11k | EFREE_IF(ImageInfo->CopyrightPhotographer); |
4368 | 6.11k | EFREE_IF(ImageInfo->CopyrightEditor); |
4369 | 6.11k | EFREE_IF(ImageInfo->Thumbnail.data); |
4370 | 6.11k | EFREE_IF(ImageInfo->encode_unicode); |
4371 | 6.11k | EFREE_IF(ImageInfo->decode_unicode_be); |
4372 | 6.11k | EFREE_IF(ImageInfo->decode_unicode_le); |
4373 | 6.11k | EFREE_IF(ImageInfo->encode_jis); |
4374 | 6.11k | EFREE_IF(ImageInfo->decode_jis_be); |
4375 | 6.11k | EFREE_IF(ImageInfo->decode_jis_le); |
4376 | 6.11k | EFREE_IF(ImageInfo->make); |
4377 | 6.11k | EFREE_IF(ImageInfo->model); |
4378 | 10.2k | for (i=0; i<ImageInfo->xp_fields.count; i++) { |
4379 | 4.18k | EFREE_IF(ImageInfo->xp_fields.list[i].value); |
4380 | 4.18k | } |
4381 | 6.11k | EFREE_IF(ImageInfo->xp_fields.list); |
4382 | 91.7k | for (i=0; i<SECTION_COUNT; i++) { |
4383 | 85.5k | exif_iif_free(ImageInfo, i); |
4384 | 85.5k | } |
4385 | 6.11k | exif_file_sections_free(ImageInfo); |
4386 | 6.11k | memset(ImageInfo, 0, sizeof(*ImageInfo)); |
4387 | 6.11k | } |
4388 | | /* }}} */ |
4389 | | |
4390 | | /* {{{ exif_read_from_impl */ |
4391 | | static bool exif_read_from_impl(image_info_type *ImageInfo, php_stream *stream, int read_thumbnail, int read_all) |
4392 | 6.11k | { |
4393 | 6.11k | bool ret; |
4394 | 6.11k | zend_stat_t st = {0}; |
4395 | | |
4396 | | /* Start with an empty image information structure. */ |
4397 | 6.11k | memset(ImageInfo, 0, sizeof(*ImageInfo)); |
4398 | | |
4399 | 6.11k | ImageInfo->motorola_intel = -1; /* flag as unknown */ |
4400 | 6.11k | ImageInfo->infile = stream; |
4401 | 6.11k | ImageInfo->FileName = NULL; |
4402 | | |
4403 | 6.11k | if (php_stream_is(ImageInfo->infile, PHP_STREAM_IS_STDIO)) { |
4404 | 0 | if (stream->orig_path && VCWD_STAT(stream->orig_path, &st) >= 0) { |
4405 | 0 | zend_string *base; |
4406 | 0 | if ((st.st_mode & S_IFMT) != S_IFREG) { |
4407 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Not a file"); |
4408 | 0 | ImageInfo->infile = NULL; |
4409 | 0 | return false; |
4410 | 0 | } |
4411 | | |
4412 | | /* Store file name */ |
4413 | 0 | base = php_basename(stream->orig_path, strlen(stream->orig_path), NULL, 0); |
4414 | 0 | ImageInfo->FileName = estrndup(ZSTR_VAL(base), ZSTR_LEN(base)); |
4415 | |
|
4416 | 0 | zend_string_release_ex(base, 0); |
4417 | | |
4418 | | /* Store file date/time. */ |
4419 | 0 | ImageInfo->FileDateTime = st.st_mtime; |
4420 | 0 | ImageInfo->FileSize = st.st_size; |
4421 | 0 | } |
4422 | 6.11k | } else { |
4423 | 6.11k | if (!ImageInfo->FileSize) { |
4424 | 6.11k | php_stream_seek(ImageInfo->infile, 0, SEEK_END); |
4425 | 6.11k | ImageInfo->FileSize = php_stream_tell(ImageInfo->infile); |
4426 | 6.11k | php_stream_seek(ImageInfo->infile, 0, SEEK_SET); |
4427 | 6.11k | } |
4428 | 6.11k | } |
4429 | | |
4430 | 6.11k | ImageInfo->read_thumbnail = read_thumbnail; |
4431 | 6.11k | ImageInfo->read_all = read_all; |
4432 | 6.11k | ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_UNKNOWN; |
4433 | | |
4434 | 6.11k | ImageInfo->encode_unicode = estrdup(EXIF_G(encode_unicode)); |
4435 | 6.11k | ImageInfo->decode_unicode_be = estrdup(EXIF_G(decode_unicode_be)); |
4436 | 6.11k | ImageInfo->decode_unicode_le = estrdup(EXIF_G(decode_unicode_le)); |
4437 | 6.11k | ImageInfo->encode_jis = estrdup(EXIF_G(encode_jis)); |
4438 | 6.11k | ImageInfo->decode_jis_be = estrdup(EXIF_G(decode_jis_be)); |
4439 | 6.11k | ImageInfo->decode_jis_le = estrdup(EXIF_G(decode_jis_le)); |
4440 | | |
4441 | | |
4442 | 6.11k | ImageInfo->ifd_nesting_level = 0; |
4443 | 6.11k | ImageInfo->ifd_count = 0; |
4444 | 6.11k | ImageInfo->num_errors = 0; |
4445 | | |
4446 | | /* Scan the headers */ |
4447 | 6.11k | ret = exif_scan_FILE_header(ImageInfo); |
4448 | | |
4449 | 6.11k | return ret; |
4450 | 6.11k | } |
4451 | | /* }}} */ |
4452 | | |
4453 | | /* {{{ exif_read_from_stream */ |
4454 | | static bool exif_read_from_stream(image_info_type *ImageInfo, php_stream *stream, int read_thumbnail, int read_all) |
4455 | 6.11k | { |
4456 | 6.11k | bool ret; |
4457 | 6.11k | off_t old_pos = php_stream_tell(stream); |
4458 | | |
4459 | 6.11k | if (old_pos) { |
4460 | 6.11k | php_stream_seek(stream, 0, SEEK_SET); |
4461 | 6.11k | } |
4462 | | |
4463 | 6.11k | ret = exif_read_from_impl(ImageInfo, stream, read_thumbnail, read_all); |
4464 | | |
4465 | 6.11k | if (old_pos) { |
4466 | 6.11k | php_stream_seek(stream, old_pos, SEEK_SET); |
4467 | 6.11k | } |
4468 | | |
4469 | 6.11k | return ret; |
4470 | 6.11k | } |
4471 | | /* }}} */ |
4472 | | |
4473 | | /* {{{ exif_read_from_file */ |
4474 | | static bool exif_read_from_file(image_info_type *ImageInfo, const char *FileName, int read_thumbnail, int read_all) |
4475 | 0 | { |
4476 | 0 | bool ret; |
4477 | 0 | php_stream *stream; |
4478 | |
|
4479 | 0 | stream = php_stream_open_wrapper(FileName, "rb", STREAM_MUST_SEEK | IGNORE_PATH, NULL); |
4480 | |
|
4481 | 0 | if (!stream) { |
4482 | 0 | memset(&ImageInfo, 0, sizeof(ImageInfo)); |
4483 | |
|
4484 | 0 | exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Unable to open file"); |
4485 | |
|
4486 | 0 | return false; |
4487 | 0 | } |
4488 | | |
4489 | 0 | ret = exif_read_from_stream(ImageInfo, stream, read_thumbnail, read_all); |
4490 | |
|
4491 | 0 | php_stream_close(stream); |
4492 | |
|
4493 | 0 | return ret; |
4494 | 0 | } |
4495 | | /* }}} */ |
4496 | | |
4497 | | /* {{{ Reads header data from an image and optionally reads the internal thumbnails */ |
4498 | | PHP_FUNCTION(exif_read_data) |
4499 | 6.11k | { |
4500 | 6.11k | zend_string *z_sections_needed = NULL; |
4501 | 6.11k | bool sub_arrays = 0, read_thumbnail = 0, read_all = 0; |
4502 | 6.11k | zval *stream; |
4503 | 6.11k | bool ret; |
4504 | 6.11k | int i, sections_needed = 0; |
4505 | 6.11k | image_info_type ImageInfo; |
4506 | 6.11k | char *sections_str; |
4507 | | |
4508 | | /* Parse arguments */ |
4509 | 18.3k | ZEND_PARSE_PARAMETERS_START(1, 4) |
4510 | 24.4k | Z_PARAM_ZVAL(stream) |
4511 | 24.4k | Z_PARAM_OPTIONAL |
4512 | 24.4k | Z_PARAM_STR_OR_NULL(z_sections_needed) |
4513 | 0 | Z_PARAM_BOOL(sub_arrays) |
4514 | 0 | Z_PARAM_BOOL(read_thumbnail) |
4515 | 6.11k | ZEND_PARSE_PARAMETERS_END(); |
4516 | | |
4517 | 6.11k | memset(&ImageInfo, 0, sizeof(ImageInfo)); |
4518 | | |
4519 | 6.11k | if (z_sections_needed) { |
4520 | 0 | spprintf(§ions_str, 0, ",%s,", ZSTR_VAL(z_sections_needed)); |
4521 | | /* sections_str DOES start with , and SPACES are NOT allowed in names */ |
4522 | 0 | char *s = sections_str; |
4523 | 0 | while (*++s) { |
4524 | 0 | if (*s == ' ') { |
4525 | 0 | *s = ','; |
4526 | 0 | } |
4527 | 0 | } |
4528 | |
|
4529 | 0 | for (i = 0; i < SECTION_COUNT; i++) { |
4530 | 0 | char tmp[64]; |
4531 | 0 | snprintf(tmp, sizeof(tmp), ",%s,", exif_get_sectionname(i)); |
4532 | 0 | if (strstr(sections_str, tmp)) { |
4533 | 0 | sections_needed |= 1<<i; |
4534 | 0 | } |
4535 | 0 | } |
4536 | 0 | EFREE_IF(sections_str); |
4537 | | /* now see what we need */ |
4538 | | #ifdef EXIF_DEBUG |
4539 | | sections_str = exif_get_sectionlist(sections_needed); |
4540 | | if (!sections_str) { |
4541 | | RETURN_FALSE; |
4542 | | } |
4543 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Sections needed: %s", sections_str[0] ? sections_str : "None"); |
4544 | | EFREE_IF(sections_str); |
4545 | | #endif |
4546 | 0 | } |
4547 | | |
4548 | 6.11k | if (Z_TYPE_P(stream) == IS_RESOURCE) { |
4549 | 6.11k | php_stream *p_stream = NULL; |
4550 | | |
4551 | 6.11k | php_stream_from_res(p_stream, Z_RES_P(stream)); |
4552 | | |
4553 | 6.11k | ret = exif_read_from_stream(&ImageInfo, p_stream, read_thumbnail, read_all); |
4554 | 6.11k | } else { |
4555 | 0 | if (!try_convert_to_string(stream)) { |
4556 | 0 | RETURN_THROWS(); |
4557 | 0 | } |
4558 | | |
4559 | 0 | if (!Z_STRLEN_P(stream)) { |
4560 | 0 | zend_argument_must_not_be_empty_error(1); |
4561 | 0 | RETURN_THROWS(); |
4562 | 0 | } |
4563 | | |
4564 | 0 | if (UNEXPECTED(zend_str_has_nul_byte(Z_STR_P(stream)))) { |
4565 | 0 | zend_argument_value_error(1, "must not contain any null bytes"); |
4566 | 0 | RETURN_THROWS(); |
4567 | 0 | } |
4568 | | |
4569 | 0 | ret = exif_read_from_file(&ImageInfo, Z_STRVAL_P(stream), read_thumbnail, read_all); |
4570 | 0 | } |
4571 | | |
4572 | 6.11k | sections_str = exif_get_sectionlist(ImageInfo.sections_found); |
4573 | | |
4574 | | #ifdef EXIF_DEBUG |
4575 | | if (sections_str) { |
4576 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Sections found: %s", sections_str[0] ? sections_str : "None"); |
4577 | | } |
4578 | | #endif |
4579 | | |
4580 | 6.11k | ImageInfo.sections_found |= FOUND_COMPUTED|FOUND_FILE;/* do not inform about in debug*/ |
4581 | | |
4582 | 6.11k | if (ret == false || (sections_needed && !(sections_needed&ImageInfo.sections_found))) { |
4583 | | /* array_init must be checked at last! otherwise the array must be freed if a later test fails. */ |
4584 | 1.74k | exif_discard_imageinfo(&ImageInfo); |
4585 | 1.74k | EFREE_IF(sections_str); |
4586 | 1.74k | RETURN_FALSE; |
4587 | 1.74k | } |
4588 | | |
4589 | 4.37k | array_init(return_value); |
4590 | | |
4591 | | #ifdef EXIF_DEBUG |
4592 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Generate section FILE"); |
4593 | | #endif |
4594 | | |
4595 | | /* now we can add our information */ |
4596 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_FILE, "FileName", ImageInfo.FileName); |
4597 | 4.37k | exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileDateTime", ImageInfo.FileDateTime); |
4598 | 4.37k | exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileSize", ImageInfo.FileSize); |
4599 | 4.37k | exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileType", ImageInfo.FileType); |
4600 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_FILE, "MimeType", php_image_type_to_mime_type(ImageInfo.FileType)); |
4601 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_FILE, "SectionsFound", sections_str ? sections_str : "NONE"); |
4602 | | |
4603 | | #ifdef EXIF_DEBUG |
4604 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Generate section COMPUTED"); |
4605 | | #endif |
4606 | | |
4607 | 4.37k | if (ImageInfo.Width>0 && ImageInfo.Height>0) { |
4608 | 76 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "html" , "width=\"%d\" height=\"%d\"", ImageInfo.Width, ImageInfo.Height); |
4609 | 76 | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Height", ImageInfo.Height); |
4610 | 76 | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Width", ImageInfo.Width); |
4611 | 76 | } |
4612 | 4.37k | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "IsColor", ImageInfo.IsColor); |
4613 | 4.37k | if (ImageInfo.motorola_intel != -1) { |
4614 | 4.23k | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "ByteOrderMotorola", ImageInfo.motorola_intel); |
4615 | 4.23k | } |
4616 | 4.37k | if (ImageInfo.FocalLength) { |
4617 | 0 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "FocalLength", "%4.1Fmm", ImageInfo.FocalLength); |
4618 | 0 | if(ImageInfo.CCDWidth) { |
4619 | 0 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "35mmFocalLength", "%dmm", (int)(ImageInfo.FocalLength/ImageInfo.CCDWidth*35+0.5)); |
4620 | 0 | } |
4621 | 0 | } |
4622 | 4.37k | if(ImageInfo.CCDWidth) { |
4623 | 1 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "CCDWidth", "%dmm", (int)ImageInfo.CCDWidth); |
4624 | 1 | } |
4625 | 4.37k | if(ImageInfo.ExposureTime>0) { |
4626 | 84 | float recip_exposure_time = 0.5f + 1.0f/ImageInfo.ExposureTime; |
4627 | 84 | if (ImageInfo.ExposureTime <= 0.5 && recip_exposure_time < (float)INT_MAX) { |
4628 | 22 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime", "%0.3F s (1/%d)", ImageInfo.ExposureTime, (int) recip_exposure_time); |
4629 | 62 | } else { |
4630 | 62 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime", "%0.3F s", ImageInfo.ExposureTime); |
4631 | 62 | } |
4632 | 84 | } |
4633 | 4.37k | if(ImageInfo.ApertureFNumber) { |
4634 | 219 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ApertureFNumber", "f/%.1F", ImageInfo.ApertureFNumber); |
4635 | 219 | } |
4636 | 4.37k | if(ImageInfo.Distance) { |
4637 | 185 | if(ImageInfo.Distance<0) { |
4638 | 15 | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "FocusDistance", "Infinite"); |
4639 | 170 | } else { |
4640 | 170 | exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "FocusDistance", "%0.2Fm", ImageInfo.Distance); |
4641 | 170 | } |
4642 | 185 | } |
4643 | 4.37k | if (ImageInfo.UserComment) { |
4644 | 293 | exif_iif_add_buffer(&ImageInfo, SECTION_COMPUTED, "UserComment", ImageInfo.UserCommentLength, ImageInfo.UserComment); |
4645 | 293 | if (ImageInfo.UserCommentEncoding && strlen(ImageInfo.UserCommentEncoding)) { |
4646 | 102 | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "UserCommentEncoding", ImageInfo.UserCommentEncoding); |
4647 | 102 | } |
4648 | 293 | } |
4649 | | |
4650 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright", ImageInfo.Copyright); |
4651 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright.Photographer", ImageInfo.CopyrightPhotographer); |
4652 | 4.37k | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright.Editor", ImageInfo.CopyrightEditor); |
4653 | | |
4654 | 8.55k | for (i=0; i<ImageInfo.xp_fields.count; i++) { |
4655 | 4.18k | exif_iif_add_str(&ImageInfo, SECTION_WINXP, exif_get_tagname_debug(ImageInfo.xp_fields.list[i].tag, exif_get_tag_table(SECTION_WINXP)), ImageInfo.xp_fields.list[i].value); |
4656 | 4.18k | } |
4657 | 4.37k | if (ImageInfo.Thumbnail.size) { |
4658 | 539 | if (read_thumbnail) { |
4659 | | /* not exif_iif_add_str : this is a buffer */ |
4660 | 0 | exif_iif_add_tag(&ImageInfo, SECTION_THUMBNAIL, "THUMBNAIL", TAG_NONE, TAG_FMT_UNDEFINED, ImageInfo.Thumbnail.size, ImageInfo.Thumbnail.data, ImageInfo.Thumbnail.size); |
4661 | 0 | } |
4662 | 539 | if (!ImageInfo.Thumbnail.width || !ImageInfo.Thumbnail.height) { |
4663 | | /* try to evaluate if thumbnail data is present */ |
4664 | 449 | exif_scan_thumbnail(&ImageInfo); |
4665 | 449 | } |
4666 | 539 | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.FileType", ImageInfo.Thumbnail.filetype); |
4667 | 539 | exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Thumbnail.MimeType", (char*)php_image_type_to_mime_type(ImageInfo.Thumbnail.filetype)); |
4668 | 539 | } |
4669 | 4.37k | if (ImageInfo.Thumbnail.width && ImageInfo.Thumbnail.height) { |
4670 | 178 | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.Height", ImageInfo.Thumbnail.height); |
4671 | 178 | exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.Width", ImageInfo.Thumbnail.width); |
4672 | 178 | } |
4673 | 4.37k | EFREE_IF(sections_str); |
4674 | | |
4675 | | #ifdef EXIF_DEBUG |
4676 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Adding image infos"); |
4677 | | #endif |
4678 | | |
4679 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_FILE ); |
4680 | 4.37k | add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_COMPUTED ); |
4681 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_ANY_TAG ); |
4682 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_IFD0 ); |
4683 | 4.37k | add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_THUMBNAIL ); |
4684 | 4.37k | add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_COMMENT ); |
4685 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_EXIF ); |
4686 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_GPS ); |
4687 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_INTEROP ); |
4688 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_FPIX ); |
4689 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_APP12 ); |
4690 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_WINXP ); |
4691 | 4.37k | add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_MAKERNOTE ); |
4692 | | |
4693 | | #ifdef EXIF_DEBUG |
4694 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Discarding info"); |
4695 | | #endif |
4696 | | |
4697 | 4.37k | exif_discard_imageinfo(&ImageInfo); |
4698 | | |
4699 | | #ifdef EXIF_DEBUG |
4700 | | php_error_docref1(NULL, (Z_TYPE_P(stream) == IS_RESOURCE ? "<stream>" : Z_STRVAL_P(stream)), E_NOTICE, "Done"); |
4701 | | #endif |
4702 | 4.37k | } |
4703 | | /* }}} */ |
4704 | | |
4705 | | /* {{{ Reads the embedded thumbnail */ |
4706 | | PHP_FUNCTION(exif_thumbnail) |
4707 | 0 | { |
4708 | 0 | bool ret; |
4709 | 0 | image_info_type ImageInfo; |
4710 | 0 | zval *stream; |
4711 | 0 | zval *z_width = NULL, *z_height = NULL, *z_imagetype = NULL; |
4712 | | |
4713 | | /* Parse arguments */ |
4714 | 0 | ZEND_PARSE_PARAMETERS_START(1, 4) |
4715 | 0 | Z_PARAM_ZVAL(stream) |
4716 | 0 | Z_PARAM_OPTIONAL |
4717 | 0 | Z_PARAM_ZVAL(z_width) |
4718 | 0 | Z_PARAM_ZVAL(z_height) |
4719 | 0 | Z_PARAM_ZVAL(z_imagetype) |
4720 | 0 | ZEND_PARSE_PARAMETERS_END(); |
4721 | | |
4722 | 0 | memset(&ImageInfo, 0, sizeof(ImageInfo)); |
4723 | |
|
4724 | 0 | if (Z_TYPE_P(stream) == IS_RESOURCE) { |
4725 | 0 | php_stream *p_stream = NULL; |
4726 | |
|
4727 | 0 | php_stream_from_res(p_stream, Z_RES_P(stream)); |
4728 | | |
4729 | 0 | ret = exif_read_from_stream(&ImageInfo, p_stream, 1, 0); |
4730 | 0 | } else { |
4731 | 0 | if (!try_convert_to_string(stream)) { |
4732 | 0 | RETURN_THROWS(); |
4733 | 0 | } |
4734 | | |
4735 | 0 | if (!Z_STRLEN_P(stream)) { |
4736 | 0 | zend_argument_must_not_be_empty_error(1); |
4737 | 0 | RETURN_THROWS(); |
4738 | 0 | } |
4739 | | |
4740 | 0 | if (zend_str_has_nul_byte(Z_STR_P(stream))) { |
4741 | 0 | zend_argument_value_error(1, "must not contain any null bytes"); |
4742 | 0 | RETURN_THROWS(); |
4743 | 0 | } |
4744 | | |
4745 | 0 | ret = exif_read_from_file(&ImageInfo, Z_STRVAL_P(stream), 1, 0); |
4746 | 0 | } |
4747 | | |
4748 | 0 | if (ret == false) { |
4749 | 0 | exif_discard_imageinfo(&ImageInfo); |
4750 | 0 | RETURN_FALSE; |
4751 | 0 | } |
4752 | | |
4753 | | #ifdef EXIF_DEBUG |
4754 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Thumbnail data %d %d %d, %d x %d", ImageInfo.Thumbnail.data, ImageInfo.Thumbnail.size, ImageInfo.Thumbnail.filetype, ImageInfo.Thumbnail.width, ImageInfo.Thumbnail.height); |
4755 | | #endif |
4756 | 0 | if (!ImageInfo.Thumbnail.data || !ImageInfo.Thumbnail.size) { |
4757 | 0 | exif_discard_imageinfo(&ImageInfo); |
4758 | 0 | RETURN_FALSE; |
4759 | 0 | } |
4760 | | |
4761 | | #ifdef EXIF_DEBUG |
4762 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Returning thumbnail(%d)", ImageInfo.Thumbnail.size); |
4763 | | #endif |
4764 | | |
4765 | 0 | RETVAL_STRINGL(ImageInfo.Thumbnail.data, ImageInfo.Thumbnail.size); |
4766 | 0 | if ((z_width || z_height) && (!ImageInfo.Thumbnail.width || !ImageInfo.Thumbnail.height)) { |
4767 | 0 | if (!exif_scan_thumbnail(&ImageInfo)) { |
4768 | 0 | ImageInfo.Thumbnail.width = ImageInfo.Thumbnail.height = 0; |
4769 | 0 | } |
4770 | 0 | } |
4771 | 0 | if (z_width) { |
4772 | 0 | ZEND_TRY_ASSIGN_REF_LONG(z_width, ImageInfo.Thumbnail.width); |
4773 | 0 | } |
4774 | 0 | if (z_height) { |
4775 | 0 | ZEND_TRY_ASSIGN_REF_LONG(z_height, ImageInfo.Thumbnail.height); |
4776 | 0 | } |
4777 | 0 | if (z_imagetype) { |
4778 | 0 | ZEND_TRY_ASSIGN_REF_LONG(z_imagetype, ImageInfo.Thumbnail.filetype); |
4779 | 0 | } |
4780 | | |
4781 | | #ifdef EXIF_DEBUG |
4782 | | exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Discarding info"); |
4783 | | #endif |
4784 | | |
4785 | 0 | exif_discard_imageinfo(&ImageInfo); |
4786 | |
|
4787 | | #ifdef EXIF_DEBUG |
4788 | | php_error_docref1(NULL, (Z_TYPE_P(stream) == IS_RESOURCE ? "<stream>" : Z_STRVAL_P(stream)), E_NOTICE, "Done"); |
4789 | | #endif |
4790 | 0 | } |
4791 | | /* }}} */ |
4792 | | |
4793 | | /* {{{ Get the type of an image */ |
4794 | | PHP_FUNCTION(exif_imagetype) |
4795 | 0 | { |
4796 | 0 | char *imagefile; |
4797 | 0 | size_t imagefile_len; |
4798 | 0 | php_stream * stream; |
4799 | 0 | int itype = 0; |
4800 | |
|
4801 | 0 | if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &imagefile, &imagefile_len) == FAILURE) { |
4802 | 0 | RETURN_THROWS(); |
4803 | 0 | } |
4804 | | |
4805 | 0 | stream = php_stream_open_wrapper(imagefile, "rb", IGNORE_PATH|REPORT_ERRORS, NULL); |
4806 | |
|
4807 | 0 | if (stream == NULL) { |
4808 | 0 | RETURN_FALSE; |
4809 | 0 | } |
4810 | | |
4811 | 0 | itype = php_getimagetype(stream, imagefile, NULL); |
4812 | |
|
4813 | 0 | php_stream_close(stream); |
4814 | |
|
4815 | 0 | if (itype == IMAGE_FILETYPE_UNKNOWN) { |
4816 | 0 | RETURN_FALSE; |
4817 | 0 | } else { |
4818 | 0 | ZVAL_LONG(return_value, itype); |
4819 | 0 | } |
4820 | 0 | } |
4821 | | /* }}} */ |