/src/libfvde/libfplist/libfplist_property_list.c
Line  | Count  | Source (jump to first uncovered line)  | 
1  |  | /*  | 
2  |  |  * Property list functions  | 
3  |  |  *  | 
4  |  |  * Copyright (C) 2016-2024, Joachim Metz <joachim.metz@gmail.com>  | 
5  |  |  *  | 
6  |  |  * Refer to AUTHORS for acknowledgements.  | 
7  |  |  *  | 
8  |  |  * This program is free software: you can redistribute it and/or modify  | 
9  |  |  * it under the terms of the GNU Lesser General Public License as published by  | 
10  |  |  * the Free Software Foundation, either version 3 of the License, or  | 
11  |  |  * (at your option) any later version.  | 
12  |  |  *  | 
13  |  |  * This program is distributed in the hope that it will be useful,  | 
14  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
15  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  | 
16  |  |  * GNU General Public License for more details.  | 
17  |  |  *  | 
18  |  |  * You should have received a copy of the GNU Lesser General Public License  | 
19  |  |  * along with this program.  If not, see <https://www.gnu.org/licenses/>.  | 
20  |  |  */  | 
21  |  |  | 
22  |  | #include <common.h>  | 
23  |  | #include <memory.h>  | 
24  |  | #include <types.h>  | 
25  |  |  | 
26  |  | #include "libfplist_libcerror.h"  | 
27  |  | #include "libfplist_libcnotify.h"  | 
28  |  | #include "libfplist_property.h"  | 
29  |  | #include "libfplist_property_list.h"  | 
30  |  | #include "libfplist_types.h"  | 
31  |  | #include "libfplist_xml_parser.h"  | 
32  |  |  | 
33  |  | extern \  | 
34  |  | int libfplist_xml_parser_parse_buffer(  | 
35  |  |      libfplist_property_list_t *property_list,  | 
36  |  |      const uint8_t *buffer,  | 
37  |  |      size_t buffer_size,  | 
38  |  |      libcerror_error_t **error );  | 
39  |  |  | 
40  |  | /* Creates a property list  | 
41  |  |  * Make sure the value property_list is referencing, is set to NULL  | 
42  |  |  * Returns 1 if successful or -1 on error  | 
43  |  |  */  | 
44  |  | int libfplist_property_list_initialize(  | 
45  |  |     libfplist_property_list_t **property_list,  | 
46  |  |     libcerror_error_t **error )  | 
47  | 4.09k  | { | 
48  | 4.09k  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
49  | 4.09k  |   static char *function                                      = "libfplist_property_list_initialize";  | 
50  |  |  | 
51  | 4.09k  |   if( property_list == NULL )  | 
52  | 0  |   { | 
53  | 0  |     libcerror_error_set(  | 
54  | 0  |      error,  | 
55  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
56  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
57  | 0  |      "%s: invalid property list.",  | 
58  | 0  |      function );  | 
59  |  | 
  | 
60  | 0  |     return( -1 );  | 
61  | 0  |   }  | 
62  | 4.09k  |   if( *property_list != NULL )  | 
63  | 0  |   { | 
64  | 0  |     libcerror_error_set(  | 
65  | 0  |      error,  | 
66  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
67  | 0  |      LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,  | 
68  | 0  |      "%s: invalid property list value already set.",  | 
69  | 0  |      function );  | 
70  |  | 
  | 
71  | 0  |     return( -1 );  | 
72  | 0  |   }  | 
73  | 4.09k  |   internal_property_list = memory_allocate_structure(  | 
74  | 4.09k  |                             libfplist_internal_property_list_t );  | 
75  |  |  | 
76  | 4.09k  |   if( internal_property_list == NULL )  | 
77  | 0  |   { | 
78  | 0  |     libcerror_error_set(  | 
79  | 0  |      error,  | 
80  | 0  |      LIBCERROR_ERROR_DOMAIN_MEMORY,  | 
81  | 0  |      LIBCERROR_MEMORY_ERROR_INSUFFICIENT,  | 
82  | 0  |      "%s: unable to create property list.",  | 
83  | 0  |      function );  | 
84  |  | 
  | 
85  | 0  |     goto on_error;  | 
86  | 0  |   }  | 
87  | 4.09k  |   if( memory_set(  | 
88  | 4.09k  |        internal_property_list,  | 
89  | 4.09k  |        0,  | 
90  | 4.09k  |        sizeof( libfplist_internal_property_list_t ) ) == NULL )  | 
91  | 0  |   { | 
92  | 0  |     libcerror_error_set(  | 
93  | 0  |      error,  | 
94  | 0  |      LIBCERROR_ERROR_DOMAIN_MEMORY,  | 
95  | 0  |      LIBCERROR_MEMORY_ERROR_SET_FAILED,  | 
96  | 0  |      "%s: unable to clear property list.",  | 
97  | 0  |      function );  | 
98  |  |     | 
99  | 0  |     memory_free(  | 
100  | 0  |      internal_property_list );  | 
101  |  | 
  | 
102  | 0  |     return( -1 );  | 
103  | 0  |   }  | 
104  | 4.09k  |   *property_list = (libfplist_property_list_t *) internal_property_list;  | 
105  |  |  | 
106  | 4.09k  |   return( 1 );  | 
107  |  |  | 
108  | 0  | on_error:  | 
109  | 0  |   if( internal_property_list != NULL )  | 
110  | 0  |   { | 
111  | 0  |     memory_free(  | 
112  | 0  |      internal_property_list );  | 
113  | 0  |   }  | 
114  | 0  |   return( -1 );  | 
115  | 4.09k  | }  | 
116  |  |  | 
117  |  | /* Frees a property list  | 
118  |  |  * Returns 1 if successful or -1 on error  | 
119  |  |  */  | 
120  |  | int libfplist_property_list_free(  | 
121  |  |     libfplist_property_list_t **property_list,  | 
122  |  |     libcerror_error_t **error )  | 
123  | 4.09k  | { | 
124  | 4.09k  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
125  | 4.09k  |   static char *function                                      = "libfplist_property_list_free";  | 
126  | 4.09k  |   int result                                                 = 1;  | 
127  |  |  | 
128  | 4.09k  |   if( property_list == NULL )  | 
129  | 0  |   { | 
130  | 0  |     libcerror_error_set(  | 
131  | 0  |      error,  | 
132  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
133  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
134  | 0  |      "%s: invalid property list.",  | 
135  | 0  |      function );  | 
136  |  | 
  | 
137  | 0  |     return( -1 );  | 
138  | 0  |   }  | 
139  | 4.09k  |   if( *property_list != NULL )  | 
140  | 4.09k  |   { | 
141  | 4.09k  |     internal_property_list = (libfplist_internal_property_list_t *) *property_list;  | 
142  | 4.09k  |     *property_list         = NULL;  | 
143  |  |  | 
144  |  |     /* The root_tag and dict_tag are referenced and freed elsewhere */  | 
145  |  |  | 
146  | 4.09k  |     if( libfplist_xml_tag_free(  | 
147  | 4.09k  |          &( internal_property_list->root_tag ),  | 
148  | 4.09k  |          error ) != 1 )  | 
149  | 0  |     { | 
150  | 0  |       libcerror_error_set(  | 
151  | 0  |        error,  | 
152  | 0  |        LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
153  | 0  |        LIBCERROR_RUNTIME_ERROR_FINALIZE_FAILED,  | 
154  | 0  |        "%s: unable to free root XML tag.",  | 
155  | 0  |        function );  | 
156  |  | 
  | 
157  | 0  |       result = -1;  | 
158  | 0  |     }  | 
159  | 4.09k  |     memory_free(  | 
160  | 4.09k  |      internal_property_list );  | 
161  | 4.09k  |   }  | 
162  | 4.09k  |   return( result );  | 
163  | 4.09k  | }  | 
164  |  |  | 
165  |  | /* Copies the property list from the byte stream  | 
166  |  |  * Returns 1 if successful, 0 if not a valid property list or -1 on error  | 
167  |  |  */  | 
168  |  | int libfplist_property_list_copy_from_byte_stream(  | 
169  |  |      libfplist_property_list_t *property_list,  | 
170  |  |      const uint8_t *byte_stream,  | 
171  |  |      size_t byte_stream_size,  | 
172  |  |      libcerror_error_t **error )  | 
173  | 4.09k  | { | 
174  | 4.09k  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
175  | 4.09k  |   libfplist_xml_tag_t *element_tag                           = NULL;  | 
176  | 4.09k  |   uint8_t *buffer                                            = NULL;  | 
177  | 4.09k  |   static char *function                                      = "libfplist_property_list_copy_from_byte_stream";  | 
178  | 4.09k  |   size_t buffer_size                                         = 0;  | 
179  | 4.09k  |   int element_index                                          = 0;  | 
180  | 4.09k  |   int number_of_elements                                     = 0;  | 
181  | 4.09k  |   int result                                                 = 0;  | 
182  |  |  | 
183  | 4.09k  |   if( property_list == NULL )  | 
184  | 0  |   { | 
185  | 0  |     libcerror_error_set(  | 
186  | 0  |      error,  | 
187  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
188  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
189  | 0  |      "%s: invalid property list.",  | 
190  | 0  |      function );  | 
191  |  | 
  | 
192  | 0  |     return( -1 );  | 
193  | 0  |   }  | 
194  | 4.09k  |   internal_property_list = (libfplist_internal_property_list_t *) property_list;  | 
195  |  |  | 
196  | 4.09k  |   if( internal_property_list->dict_tag != NULL )  | 
197  | 0  |   { | 
198  | 0  |     libcerror_error_set(  | 
199  | 0  |      error,  | 
200  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
201  | 0  |      LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,  | 
202  | 0  |      "%s: invalid property list - dict XML tag already set.",  | 
203  | 0  |      function );  | 
204  |  | 
  | 
205  | 0  |     return( -1 );  | 
206  | 0  |   }  | 
207  | 4.09k  |   if( internal_property_list->root_tag != NULL )  | 
208  | 0  |   { | 
209  | 0  |     libcerror_error_set(  | 
210  | 0  |      error,  | 
211  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
212  | 0  |      LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,  | 
213  | 0  |      "%s: invalid property list - root XML tag already set.",  | 
214  | 0  |      function );  | 
215  |  | 
  | 
216  | 0  |     return( -1 );  | 
217  | 0  |   }  | 
218  | 4.09k  |   if( byte_stream == NULL )  | 
219  | 0  |   { | 
220  | 0  |     libcerror_error_set(  | 
221  | 0  |      error,  | 
222  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
223  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
224  | 0  |      "%s: invalid byte stream.",  | 
225  | 0  |      function );  | 
226  |  | 
  | 
227  | 0  |     return( -1 );  | 
228  | 0  |   }  | 
229  | 4.09k  |   if( ( byte_stream_size < 2 )  | 
230  | 4.09k  |    || ( byte_stream_size > (size_t) ( MEMORY_MAXIMUM_ALLOCATION_SIZE - 2 ) ) )  | 
231  | 5  |   { | 
232  | 5  |     libcerror_error_set(  | 
233  | 5  |      error,  | 
234  | 5  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
235  | 5  |      LIBCERROR_ARGUMENT_ERROR_VALUE_OUT_OF_BOUNDS,  | 
236  | 5  |      "%s: invalid byte stream size value out of bounds.",  | 
237  | 5  |      function );  | 
238  |  |  | 
239  | 5  |     return( -1 );  | 
240  | 5  |   }  | 
241  |  |   /* Lex wants 2 zero bytes at the end of the buffer  | 
242  |  |    */  | 
243  | 4.08k  |   buffer_size = byte_stream_size;  | 
244  |  |  | 
245  | 4.08k  |   if( byte_stream[ byte_stream_size - 1 ] != 0 )  | 
246  | 3.62k  |   { | 
247  | 3.62k  |     buffer_size += 2;  | 
248  | 3.62k  |   }  | 
249  | 463  |   else if( byte_stream[ byte_stream_size - 2 ] != 0 )  | 
250  | 437  |   { | 
251  | 437  |     buffer_size += 1;  | 
252  | 437  |   }  | 
253  |  |   /* Lex wants a buffer it can write to  | 
254  |  |    */  | 
255  | 4.08k  |   buffer = (uint8_t *) memory_allocate(  | 
256  | 4.08k  |                         sizeof( uint8_t ) * buffer_size );  | 
257  |  |  | 
258  | 4.08k  |   if( buffer == NULL )  | 
259  | 0  |   { | 
260  | 0  |     libcerror_error_set(  | 
261  | 0  |      error,  | 
262  | 0  |      LIBCERROR_ERROR_DOMAIN_MEMORY,  | 
263  | 0  |      LIBCERROR_MEMORY_ERROR_INSUFFICIENT,  | 
264  | 0  |      "%s: unable to create buffer.",  | 
265  | 0  |      function );  | 
266  |  | 
  | 
267  | 0  |     goto on_error;  | 
268  | 0  |   }  | 
269  | 4.08k  |   if( memory_copy(  | 
270  | 4.08k  |        buffer,  | 
271  | 4.08k  |        byte_stream,  | 
272  | 4.08k  |        byte_stream_size ) == NULL )  | 
273  | 0  |   { | 
274  | 0  |     libcerror_error_set(  | 
275  | 0  |      error,  | 
276  | 0  |      LIBCERROR_ERROR_DOMAIN_MEMORY,  | 
277  | 0  |      LIBCERROR_MEMORY_ERROR_COPY_FAILED,  | 
278  | 0  |      "%s: unable to copy byte stream.",  | 
279  | 0  |      function );  | 
280  |  | 
  | 
281  | 0  |     goto on_error;  | 
282  | 0  |   }  | 
283  | 4.08k  |   buffer[ buffer_size - 2 ] = 0;  | 
284  | 4.08k  |   buffer[ buffer_size - 1 ] = 0;  | 
285  |  |  | 
286  |  | #if defined( HAVE_DEBUG_OUTPUT )  | 
287  |  |   if( libcnotify_verbose != 0 )  | 
288  |  |   {                 | 
289  |  |     if( ( buffer_size >= 6 )  | 
290  |  |      && ( buffer[ 0 ] == '<' )  | 
291  |  |      && ( buffer[ 1 ] == '?' )  | 
292  |  |      && ( buffer[ 2 ] == 'x' )  | 
293  |  |      && ( buffer[ 3 ] == 'm' )  | 
294  |  |      && ( buffer[ 4 ] == 'l' )  | 
295  |  |      && ( buffer[ buffer_size - 1 ] == 0 ) )  | 
296  |  |     { | 
297  |  |       libcnotify_printf(  | 
298  |  |        "%s: XML plist:\n%s\n",  | 
299  |  |        function,  | 
300  |  |        buffer );  | 
301  |  |     }          | 
302  |  |     else       | 
303  |  |     {        | 
304  |  |       libcnotify_printf(  | 
305  |  |        "%s: XML plist data:\n",  | 
306  |  |        function );  | 
307  |  |       libcnotify_print_data(  | 
308  |  |        buffer,  | 
309  |  |        buffer_size,  | 
310  |  |        LIBCNOTIFY_PRINT_DATA_FLAG_GROUP_DATA );  | 
311  |  |     }  | 
312  |  |   }                  | 
313  |  | #endif /* defined( HAVE_DEBUG_OUTPUT ) */  | 
314  |  |  | 
315  | 4.08k  |   result = libfplist_xml_parser_parse_buffer(  | 
316  | 4.08k  |             property_list,  | 
317  | 4.08k  |             buffer,  | 
318  | 4.08k  |             buffer_size,  | 
319  | 4.08k  |             error );  | 
320  |  |  | 
321  | 4.08k  |   if( result != 1 )  | 
322  | 2.31k  |   { | 
323  | 2.31k  |     libcerror_error_set(  | 
324  | 2.31k  |      error,  | 
325  | 2.31k  |      LIBCERROR_ERROR_DOMAIN_IO,  | 
326  | 2.31k  |      LIBCERROR_IO_ERROR_READ_FAILED,  | 
327  | 2.31k  |      "%s: unable to parse XML.",  | 
328  | 2.31k  |      function );  | 
329  |  |  | 
330  | 2.31k  |     goto on_error;  | 
331  | 2.31k  |   }  | 
332  | 1.77k  |   memory_free(  | 
333  | 1.77k  |    buffer );  | 
334  |  |  | 
335  | 1.77k  |   buffer = NULL;  | 
336  |  |  | 
337  | 1.77k  |   if( internal_property_list->root_tag == NULL )  | 
338  | 0  |   { | 
339  | 0  |     libcerror_error_set(  | 
340  | 0  |      error,  | 
341  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
342  | 0  |      LIBCERROR_RUNTIME_ERROR_VALUE_MISSING,  | 
343  | 0  |      "%s: invalid property list - missing root XML tag.",  | 
344  | 0  |      function );  | 
345  |  | 
  | 
346  | 0  |     goto on_error;  | 
347  | 0  |   }  | 
348  | 1.77k  |   result = libfplist_xml_tag_compare_name(  | 
349  | 1.77k  |             internal_property_list->root_tag,  | 
350  | 1.77k  |             (uint8_t *) "dict",  | 
351  | 1.77k  |             4,  | 
352  | 1.77k  |             error );  | 
353  |  |  | 
354  | 1.77k  |   if( result == -1 )  | 
355  | 0  |   { | 
356  | 0  |     libcerror_error_set(  | 
357  | 0  |      error,  | 
358  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
359  | 0  |      LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
360  | 0  |      "%s: unable to compare name of root tag.",  | 
361  | 0  |      function );  | 
362  |  | 
  | 
363  | 0  |     goto on_error;  | 
364  | 0  |   }  | 
365  | 1.77k  |   else if( result == 1 )  | 
366  | 474  |   { | 
367  | 474  |     internal_property_list->dict_tag = internal_property_list->root_tag;  | 
368  | 474  |   }  | 
369  | 1.29k  |   else  | 
370  | 1.29k  |   { | 
371  |  |     /* Ignore the plist XML node  | 
372  |  |      * <plist version="1.0">  | 
373  |  |      */  | 
374  | 1.29k  |     result = libfplist_xml_tag_compare_name(  | 
375  | 1.29k  |               internal_property_list->root_tag,  | 
376  | 1.29k  |               (uint8_t *) "plist",  | 
377  | 1.29k  |               5,  | 
378  | 1.29k  |               error );  | 
379  |  |  | 
380  | 1.29k  |     if( result == -1 )  | 
381  | 0  |     { | 
382  | 0  |       libcerror_error_set(  | 
383  | 0  |        error,  | 
384  | 0  |        LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
385  | 0  |        LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
386  | 0  |        "%s: unable to compare name of root tag.",  | 
387  | 0  |        function );  | 
388  |  | 
  | 
389  | 0  |       goto on_error;  | 
390  | 0  |     }  | 
391  | 1.29k  |     else if( result == 1 )  | 
392  | 1.23k  |     { | 
393  | 1.23k  |       internal_property_list->plist_tag = internal_property_list->root_tag;  | 
394  |  |  | 
395  | 1.23k  |       if( libfplist_xml_tag_get_number_of_elements(  | 
396  | 1.23k  |            internal_property_list->root_tag,  | 
397  | 1.23k  |            &number_of_elements,  | 
398  | 1.23k  |            error ) != 1 )  | 
399  | 0  |       { | 
400  | 0  |         libcerror_error_set(  | 
401  | 0  |          error,  | 
402  | 0  |          LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
403  | 0  |          LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
404  | 0  |          "%s: unable to retrieve number of elements.",  | 
405  | 0  |          function );  | 
406  |  | 
  | 
407  | 0  |         goto on_error;  | 
408  | 0  |       }  | 
409  | 1.23k  |       for( element_index = 0;  | 
410  | 37.6k  |            element_index < number_of_elements;  | 
411  | 36.3k  |            element_index++ )  | 
412  | 36.5k  |       { | 
413  | 36.5k  |         if( libfplist_xml_tag_get_element(  | 
414  | 36.5k  |              internal_property_list->root_tag,  | 
415  | 36.5k  |              element_index,  | 
416  | 36.5k  |              &element_tag,  | 
417  | 36.5k  |              error ) != 1 )  | 
418  | 0  |         { | 
419  | 0  |           libcerror_error_set(  | 
420  | 0  |            error,  | 
421  | 0  |            LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
422  | 0  |            LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
423  | 0  |            "%s: unable to retrieve element: %d.",  | 
424  | 0  |            function,  | 
425  | 0  |            element_index );  | 
426  |  | 
  | 
427  | 0  |           goto on_error;  | 
428  | 0  |         }  | 
429  | 36.5k  |         result = libfplist_xml_tag_compare_name(  | 
430  | 36.5k  |                   element_tag,  | 
431  | 36.5k  |                   (uint8_t *) "text",  | 
432  | 36.5k  |                   4,  | 
433  | 36.5k  |                   error );  | 
434  |  |  | 
435  | 36.5k  |         if( result == -1 )  | 
436  | 0  |         { | 
437  | 0  |           libcerror_error_set(  | 
438  | 0  |            error,  | 
439  | 0  |            LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
440  | 0  |            LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
441  | 0  |            "%s: unable to compare name of element tag: %d.",  | 
442  | 0  |            function,  | 
443  | 0  |            element_index );  | 
444  |  | 
  | 
445  | 0  |           goto on_error;  | 
446  | 0  |         }  | 
447  | 36.5k  |         else if( result != 0 )  | 
448  | 11.4k  |         { | 
449  |  |           /* Ignore text nodes  | 
450  |  |            */  | 
451  | 11.4k  |           continue;  | 
452  | 11.4k  |         }  | 
453  | 25.1k  |         result = libfplist_xml_tag_compare_name(  | 
454  | 25.1k  |                   element_tag,  | 
455  | 25.1k  |                   (uint8_t *) "dict",  | 
456  | 25.1k  |                   4,  | 
457  | 25.1k  |                   error );  | 
458  |  |  | 
459  | 25.1k  |         if( result == -1 )  | 
460  | 0  |         { | 
461  | 0  |           libcerror_error_set(  | 
462  | 0  |            error,  | 
463  | 0  |            LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
464  | 0  |            LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
465  | 0  |            "%s: unable to compare name of element tag: %d.",  | 
466  | 0  |            function,  | 
467  | 0  |            element_index );  | 
468  |  | 
  | 
469  | 0  |           goto on_error;  | 
470  | 0  |         }  | 
471  | 25.1k  |         else if( result != 0 )  | 
472  | 24.9k  |         { | 
473  | 24.9k  |           internal_property_list->dict_tag = element_tag;  | 
474  | 24.9k  |         }  | 
475  | 151  |         else  | 
476  | 151  |         { | 
477  | 151  |           break;  | 
478  | 151  |         }  | 
479  | 25.1k  |       }  | 
480  | 1.23k  |     }  | 
481  | 1.29k  |   }  | 
482  | 1.77k  |   return( 1 );  | 
483  |  |  | 
484  | 2.31k  | on_error:  | 
485  | 2.31k  |   if( buffer != NULL )  | 
486  | 2.31k  |   { | 
487  | 2.31k  |     memory_free(  | 
488  | 2.31k  |      buffer );  | 
489  | 2.31k  |   }  | 
490  | 2.31k  |   if( internal_property_list->root_tag != NULL )  | 
491  | 0  |   { | 
492  | 0  |     libfplist_xml_tag_free(  | 
493  | 0  |      &( internal_property_list->root_tag ),  | 
494  | 0  |      NULL );  | 
495  | 0  |   }  | 
496  | 2.31k  |   return( -1 );  | 
497  | 1.77k  | }  | 
498  |  |  | 
499  |  | /* Determines if the property list is XML with a plist root element  | 
500  |  |  * Returns 1 if true, 0 if not or -1 on error  | 
501  |  |  */  | 
502  |  | int libfplist_property_list_has_plist_root_element(  | 
503  |  |      libfplist_property_list_t *property_list,  | 
504  |  |      libcerror_error_t **error )  | 
505  | 0  | { | 
506  | 0  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
507  | 0  |   static char *function                                      = "libfplist_property_list_has_plist_root_element";  | 
508  |  | 
  | 
509  | 0  |   if( property_list == NULL )  | 
510  | 0  |   { | 
511  | 0  |     libcerror_error_set(  | 
512  | 0  |      error,  | 
513  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
514  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
515  | 0  |      "%s: invalid property list.",  | 
516  | 0  |      function );  | 
517  |  | 
  | 
518  | 0  |     return( -1 );  | 
519  | 0  |   }  | 
520  | 0  |   internal_property_list = (libfplist_internal_property_list_t *) property_list;  | 
521  |  | 
  | 
522  | 0  |   if( internal_property_list->plist_tag == NULL )  | 
523  | 0  |   { | 
524  | 0  |     return( 0 );  | 
525  | 0  |   }  | 
526  | 0  |   return( 1 );  | 
527  | 0  | }  | 
528  |  |  | 
529  |  | /* Retrieves the root property  | 
530  |  |  * Returns 1 if successful, 0 if not available or -1 on error  | 
531  |  |  */  | 
532  |  | int libfplist_property_list_get_root_property(  | 
533  |  |      libfplist_property_list_t *property_list,  | 
534  |  |      libfplist_property_t **property,  | 
535  |  |      libcerror_error_t **error )  | 
536  | 1.66k  | { | 
537  | 1.66k  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
538  | 1.66k  |   static char *function                                      = "libfplist_property_list_get_root_property";  | 
539  |  |  | 
540  | 1.66k  |   if( property_list == NULL )  | 
541  | 0  |   { | 
542  | 0  |     libcerror_error_set(  | 
543  | 0  |      error,  | 
544  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
545  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
546  | 0  |      "%s: invalid property list.",  | 
547  | 0  |      function );  | 
548  |  | 
  | 
549  | 0  |     return( -1 );  | 
550  | 0  |   }  | 
551  | 1.66k  |   internal_property_list = (libfplist_internal_property_list_t *) property_list;  | 
552  |  |  | 
553  | 1.66k  |   if( property == NULL )  | 
554  | 0  |   { | 
555  | 0  |     libcerror_error_set(  | 
556  | 0  |      error,  | 
557  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
558  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
559  | 0  |      "%s: invalid property.",  | 
560  | 0  |      function );  | 
561  |  | 
  | 
562  | 0  |     return( -1 );  | 
563  | 0  |   }  | 
564  | 1.66k  |   if( *property != NULL )  | 
565  | 0  |   { | 
566  | 0  |     libcerror_error_set(  | 
567  | 0  |      error,  | 
568  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
569  | 0  |      LIBCERROR_RUNTIME_ERROR_VALUE_ALREADY_SET,  | 
570  | 0  |      "%s: invalid property value already set.",  | 
571  | 0  |      function );  | 
572  |  | 
  | 
573  | 0  |     return( -1 );  | 
574  | 0  |   }  | 
575  | 1.66k  |   if( internal_property_list->dict_tag == NULL )  | 
576  | 113  |   { | 
577  | 113  |     return( 0 );  | 
578  | 113  |   }  | 
579  | 1.55k  |   if( libfplist_property_initialize(  | 
580  | 1.55k  |        property,  | 
581  | 1.55k  |        NULL,  | 
582  | 1.55k  |        internal_property_list->dict_tag,  | 
583  | 1.55k  |        error ) != 1 )  | 
584  | 0  |   { | 
585  | 0  |     libcerror_error_set(  | 
586  | 0  |      error,  | 
587  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
588  | 0  |      LIBCERROR_RUNTIME_ERROR_INITIALIZE_FAILED,  | 
589  | 0  |      "%s: unable to create property.",  | 
590  | 0  |      function );  | 
591  |  | 
  | 
592  | 0  |     return( -1 );  | 
593  | 0  |   }  | 
594  | 1.55k  |   return( 1 );  | 
595  | 1.55k  | }  | 
596  |  |  | 
597  |  | /* Sets the root tag  | 
598  |  |  * Returns 1 if successful or -1 on error  | 
599  |  |  */  | 
600  |  | int libfplist_property_list_set_root_tag(  | 
601  |  |      libfplist_property_list_t *property_list,  | 
602  |  |      libfplist_xml_tag_t *tag,  | 
603  |  |      libcerror_error_t **error )  | 
604  | 1.77k  | { | 
605  | 1.77k  |   libfplist_internal_property_list_t *internal_property_list = NULL;  | 
606  | 1.77k  |   static char *function                                      = "libfplist_property_list_set_root_tag";  | 
607  |  |  | 
608  | 1.77k  |   if( property_list == NULL )  | 
609  | 0  |   { | 
610  | 0  |     libcerror_error_set(  | 
611  | 0  |      error,  | 
612  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
613  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
614  | 0  |      "%s: invalid property list.",  | 
615  | 0  |      function );  | 
616  |  | 
  | 
617  | 0  |     return( -1 );  | 
618  | 0  |   }  | 
619  | 1.77k  |   internal_property_list = (libfplist_internal_property_list_t *) property_list;  | 
620  |  |  | 
621  | 1.77k  |   if( tag == NULL )  | 
622  | 0  |   { | 
623  | 0  |     libcerror_error_set(  | 
624  | 0  |      error,  | 
625  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
626  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
627  | 0  |      "%s: invalid tag.",  | 
628  | 0  |      function );  | 
629  |  | 
  | 
630  | 0  |     return( -1 );  | 
631  | 0  |   }  | 
632  | 1.77k  |   internal_property_list->root_tag = tag;  | 
633  |  |  | 
634  | 1.77k  |   return( 1 );  | 
635  | 1.77k  | }  | 
636  |  |  |