Annotation of embedaddon/php/ext/exif/exif.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Authors: Rasmus Lerdorf <rasmus@php.net> |
! 16: | Marcus Boerger <helly@php.net> |
! 17: +----------------------------------------------------------------------+
! 18: */
! 19:
! 20: /* $Id: exif.c 321634 2012-01-01 13:15:04Z felipe $ */
! 21:
! 22: /* ToDos
! 23: *
! 24: * See if example images from http://www.exif.org have illegal
! 25: * thumbnail sizes or if code is corrupt.
! 26: * Create/Update exif headers.
! 27: * Create/Remove/Update image thumbnails.
! 28: */
! 29:
! 30: /* Security
! 31: *
! 32: * At current time i do not see any security problems but a potential
! 33: * attacker could generate an image with recursive ifd pointers...(Marcus)
! 34: */
! 35:
! 36: #ifdef HAVE_CONFIG_H
! 37: #include "config.h"
! 38: #endif
! 39:
! 40: #include "php.h"
! 41: #include "ext/standard/file.h"
! 42:
! 43: #ifdef HAVE_STDINT_H
! 44: # include <stdint.h>
! 45: #endif
! 46: #ifdef HAVE_INTTYPES_H
! 47: # include <inttypes.h>
! 48: #endif
! 49: #ifdef PHP_WIN32
! 50: # include "win32/php_stdint.h"
! 51: #endif
! 52:
! 53: #if HAVE_EXIF
! 54:
! 55: /* When EXIF_DEBUG is defined the module generates a lot of debug messages
! 56: * that help understanding what is going on. This can and should be used
! 57: * while extending the module as it shows if you are at the right position.
! 58: * You are always considered to have a copy of TIFF6.0 and EXIF2.10 standard.
! 59: */
! 60: #undef EXIF_DEBUG
! 61:
! 62: #ifdef EXIF_DEBUG
! 63: #define EXIFERR_DC , const char *_file, size_t _line TSRMLS_DC
! 64: #define EXIFERR_CC , __FILE__, __LINE__ TSRMLS_CC
! 65: #else
! 66: #define EXIFERR_DC TSRMLS_DC
! 67: #define EXIFERR_CC TSRMLS_CC
! 68: #endif
! 69:
! 70: #undef EXIF_JPEG2000
! 71:
! 72: #include "php_exif.h"
! 73: #include <math.h>
! 74: #include "php_ini.h"
! 75: #include "ext/standard/php_string.h"
! 76: #include "ext/standard/php_image.h"
! 77: #include "ext/standard/info.h"
! 78:
! 79: #if defined(PHP_WIN32) || (HAVE_MBSTRING && !defined(COMPILE_DL_MBSTRING))
! 80: #define EXIF_USE_MBSTRING 1
! 81: #else
! 82: #define EXIF_USE_MBSTRING 0
! 83: #endif
! 84:
! 85: #if EXIF_USE_MBSTRING
! 86: #include "ext/mbstring/mbstring.h"
! 87: #endif
! 88:
! 89: /* needed for ssize_t definition */
! 90: #include <sys/types.h>
! 91:
! 92: typedef unsigned char uchar;
! 93:
! 94: #ifndef safe_emalloc
! 95: # define safe_emalloc(a,b,c) emalloc((a)*(b)+(c))
! 96: #endif
! 97: #ifndef safe_erealloc
! 98: # define safe_erealloc(p,a,b,c) erealloc(p, (a)*(b)+(c))
! 99: #endif
! 100:
! 101: #ifndef TRUE
! 102: # define TRUE 1
! 103: # define FALSE 0
! 104: #endif
! 105:
! 106: #ifndef max
! 107: # define max(a,b) ((a)>(b) ? (a) : (b))
! 108: #endif
! 109:
! 110: #define EFREE_IF(ptr) if (ptr) efree(ptr)
! 111:
! 112: #define MAX_IFD_NESTING_LEVEL 100
! 113:
! 114: /* {{{ arginfo */
! 115: ZEND_BEGIN_ARG_INFO(arginfo_exif_tagname, 0)
! 116: ZEND_ARG_INFO(0, index)
! 117: ZEND_END_ARG_INFO()
! 118:
! 119: ZEND_BEGIN_ARG_INFO_EX(arginfo_exif_read_data, 0, 0, 1)
! 120: ZEND_ARG_INFO(0, filename)
! 121: ZEND_ARG_INFO(0, sections_needed)
! 122: ZEND_ARG_INFO(0, sub_arrays)
! 123: ZEND_ARG_INFO(0, read_thumbnail)
! 124: ZEND_END_ARG_INFO()
! 125:
! 126: ZEND_BEGIN_ARG_INFO_EX(arginfo_exif_thumbnail, 0, 0, 1)
! 127: ZEND_ARG_INFO(0, filename)
! 128: ZEND_ARG_INFO(1, width)
! 129: ZEND_ARG_INFO(1, height)
! 130: ZEND_ARG_INFO(1, imagetype)
! 131: ZEND_END_ARG_INFO()
! 132:
! 133: ZEND_BEGIN_ARG_INFO(arginfo_exif_imagetype, 0)
! 134: ZEND_ARG_INFO(0, imagefile)
! 135: ZEND_END_ARG_INFO()
! 136:
! 137: /* }}} */
! 138:
! 139: /* {{{ exif_functions[]
! 140: */
! 141: const zend_function_entry exif_functions[] = {
! 142: PHP_FE(exif_read_data, arginfo_exif_read_data)
! 143: PHP_FALIAS(read_exif_data, exif_read_data, arginfo_exif_read_data)
! 144: PHP_FE(exif_tagname, arginfo_exif_tagname)
! 145: PHP_FE(exif_thumbnail, arginfo_exif_thumbnail)
! 146: PHP_FE(exif_imagetype, arginfo_exif_imagetype)
! 147: PHP_FE_END
! 148: };
! 149: /* }}} */
! 150:
! 151: #define EXIF_VERSION "1.4 $Id: exif.c 321634 2012-01-01 13:15:04Z felipe $"
! 152:
! 153: /* {{{ PHP_MINFO_FUNCTION
! 154: */
! 155: PHP_MINFO_FUNCTION(exif)
! 156: {
! 157: php_info_print_table_start();
! 158: php_info_print_table_row(2, "EXIF Support", "enabled");
! 159: php_info_print_table_row(2, "EXIF Version", EXIF_VERSION);
! 160: php_info_print_table_row(2, "Supported EXIF Version", "0220");
! 161: php_info_print_table_row(2, "Supported filetypes", "JPEG,TIFF");
! 162: php_info_print_table_end();
! 163: DISPLAY_INI_ENTRIES();
! 164: }
! 165: /* }}} */
! 166:
! 167: ZEND_BEGIN_MODULE_GLOBALS(exif)
! 168: char * encode_unicode;
! 169: char * decode_unicode_be;
! 170: char * decode_unicode_le;
! 171: char * encode_jis;
! 172: char * decode_jis_be;
! 173: char * decode_jis_le;
! 174: ZEND_END_MODULE_GLOBALS(exif)
! 175:
! 176: ZEND_DECLARE_MODULE_GLOBALS(exif)
! 177:
! 178: #ifdef ZTS
! 179: #define EXIF_G(v) TSRMG(exif_globals_id, zend_exif_globals *, v)
! 180: #else
! 181: #define EXIF_G(v) (exif_globals.v)
! 182: #endif
! 183:
! 184: /* {{{ PHP_INI
! 185: */
! 186:
! 187: ZEND_INI_MH(OnUpdateEncode)
! 188: {
! 189: #if EXIF_USE_MBSTRING
! 190: if (new_value && strlen(new_value) && !php_mb_check_encoding_list(new_value TSRMLS_CC)) {
! 191: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal encoding ignored: '%s'", new_value);
! 192: return FAILURE;
! 193: }
! 194: #endif
! 195: return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
! 196: }
! 197:
! 198: ZEND_INI_MH(OnUpdateDecode)
! 199: {
! 200: #if EXIF_USE_MBSTRING
! 201: if (!php_mb_check_encoding_list(new_value TSRMLS_CC)) {
! 202: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Illegal encoding ignored: '%s'", new_value);
! 203: return FAILURE;
! 204: }
! 205: #endif
! 206: return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
! 207: }
! 208:
! 209: PHP_INI_BEGIN()
! 210: STD_PHP_INI_ENTRY("exif.encode_unicode", "ISO-8859-15", PHP_INI_ALL, OnUpdateEncode, encode_unicode, zend_exif_globals, exif_globals)
! 211: STD_PHP_INI_ENTRY("exif.decode_unicode_motorola", "UCS-2BE", PHP_INI_ALL, OnUpdateDecode, decode_unicode_be, zend_exif_globals, exif_globals)
! 212: STD_PHP_INI_ENTRY("exif.decode_unicode_intel", "UCS-2LE", PHP_INI_ALL, OnUpdateDecode, decode_unicode_le, zend_exif_globals, exif_globals)
! 213: STD_PHP_INI_ENTRY("exif.encode_jis", "", PHP_INI_ALL, OnUpdateEncode, encode_jis, zend_exif_globals, exif_globals)
! 214: STD_PHP_INI_ENTRY("exif.decode_jis_motorola", "JIS", PHP_INI_ALL, OnUpdateDecode, decode_jis_be, zend_exif_globals, exif_globals)
! 215: STD_PHP_INI_ENTRY("exif.decode_jis_intel", "JIS", PHP_INI_ALL, OnUpdateDecode, decode_jis_le, zend_exif_globals, exif_globals)
! 216: PHP_INI_END()
! 217: /* }}} */
! 218:
! 219: /* {{{ PHP_GINIT_FUNCTION
! 220: */
! 221: static PHP_GINIT_FUNCTION(exif)
! 222: {
! 223: exif_globals->encode_unicode = NULL;
! 224: exif_globals->decode_unicode_be = NULL;
! 225: exif_globals->decode_unicode_le = NULL;
! 226: exif_globals->encode_jis = NULL;
! 227: exif_globals->decode_jis_be = NULL;
! 228: exif_globals->decode_jis_le = NULL;
! 229: }
! 230: /* }}} */
! 231:
! 232: /* {{{ PHP_MINIT_FUNCTION(exif)
! 233: Get the size of an image as 4-element array */
! 234: PHP_MINIT_FUNCTION(exif)
! 235: {
! 236: REGISTER_INI_ENTRIES();
! 237: REGISTER_LONG_CONSTANT("EXIF_USE_MBSTRING", EXIF_USE_MBSTRING, CONST_CS | CONST_PERSISTENT);
! 238: return SUCCESS;
! 239: }
! 240: /* }}} */
! 241:
! 242: /* {{{ PHP_MSHUTDOWN_FUNCTION
! 243: */
! 244: PHP_MSHUTDOWN_FUNCTION(exif)
! 245: {
! 246: UNREGISTER_INI_ENTRIES();
! 247: return SUCCESS;
! 248: }
! 249: /* }}} */
! 250:
! 251: /* {{{ exif dependencies */
! 252: static const zend_module_dep exif_module_deps[] = {
! 253: ZEND_MOD_REQUIRED("standard")
! 254: #if EXIF_USE_MBSTRING
! 255: ZEND_MOD_REQUIRED("mbstring")
! 256: #endif
! 257: ZEND_MOD_END
! 258: };
! 259: /* }}} */
! 260:
! 261: /* {{{ exif_module_entry
! 262: */
! 263: zend_module_entry exif_module_entry = {
! 264: STANDARD_MODULE_HEADER_EX, NULL,
! 265: exif_module_deps,
! 266: "exif",
! 267: exif_functions,
! 268: PHP_MINIT(exif),
! 269: PHP_MSHUTDOWN(exif),
! 270: NULL, NULL,
! 271: PHP_MINFO(exif),
! 272: #if ZEND_MODULE_API_NO >= 20010901
! 273: EXIF_VERSION,
! 274: #endif
! 275: #if ZEND_MODULE_API_NO >= 20060613
! 276: PHP_MODULE_GLOBALS(exif),
! 277: PHP_GINIT(exif),
! 278: NULL,
! 279: NULL,
! 280: STANDARD_MODULE_PROPERTIES_EX
! 281: #else
! 282: STANDARD_MODULE_PROPERTIES
! 283: #endif
! 284: };
! 285: /* }}} */
! 286:
! 287: #ifdef COMPILE_DL_EXIF
! 288: ZEND_GET_MODULE(exif)
! 289: #endif
! 290:
! 291: /* {{{ php_strnlen
! 292: * get length of string if buffer if less than buffer size or buffer size */
! 293: static size_t php_strnlen(char* str, size_t maxlen) {
! 294: size_t len = 0;
! 295:
! 296: if (str && maxlen && *str) {
! 297: do {
! 298: len++;
! 299: } while (--maxlen && *(++str));
! 300: }
! 301: return len;
! 302: }
! 303: /* }}} */
! 304:
! 305: /* {{{ error messages
! 306: */
! 307: static const char * EXIF_ERROR_FILEEOF = "Unexpected end of file reached";
! 308: static const char * EXIF_ERROR_CORRUPT = "File structure corrupted";
! 309: static const char * EXIF_ERROR_THUMBEOF = "Thumbnail goes IFD boundary or end of file reached";
! 310: static const char * EXIF_ERROR_FSREALLOC = "Illegal reallocating of undefined file section";
! 311:
! 312: #define EXIF_ERRLOG_FILEEOF(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FILEEOF);
! 313: #define EXIF_ERRLOG_CORRUPT(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_CORRUPT);
! 314: #define EXIF_ERRLOG_THUMBEOF(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_THUMBEOF);
! 315: #define EXIF_ERRLOG_FSREALLOC(ImageInfo) exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s", EXIF_ERROR_FSREALLOC);
! 316: /* }}} */
! 317:
! 318: /* {{{ format description defines
! 319: Describes format descriptor
! 320: */
! 321: static int php_tiff_bytes_per_format[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 1};
! 322: #define NUM_FORMATS 13
! 323:
! 324: #define TAG_FMT_BYTE 1
! 325: #define TAG_FMT_STRING 2
! 326: #define TAG_FMT_USHORT 3
! 327: #define TAG_FMT_ULONG 4
! 328: #define TAG_FMT_URATIONAL 5
! 329: #define TAG_FMT_SBYTE 6
! 330: #define TAG_FMT_UNDEFINED 7
! 331: #define TAG_FMT_SSHORT 8
! 332: #define TAG_FMT_SLONG 9
! 333: #define TAG_FMT_SRATIONAL 10
! 334: #define TAG_FMT_SINGLE 11
! 335: #define TAG_FMT_DOUBLE 12
! 336: #define TAG_FMT_IFD 13
! 337:
! 338: #ifdef EXIF_DEBUG
! 339: static char *exif_get_tagformat(int format)
! 340: {
! 341: switch(format) {
! 342: case TAG_FMT_BYTE: return "BYTE";
! 343: case TAG_FMT_STRING: return "STRING";
! 344: case TAG_FMT_USHORT: return "USHORT";
! 345: case TAG_FMT_ULONG: return "ULONG";
! 346: case TAG_FMT_URATIONAL: return "URATIONAL";
! 347: case TAG_FMT_SBYTE: return "SBYTE";
! 348: case TAG_FMT_UNDEFINED: return "UNDEFINED";
! 349: case TAG_FMT_SSHORT: return "SSHORT";
! 350: case TAG_FMT_SLONG: return "SLONG";
! 351: case TAG_FMT_SRATIONAL: return "SRATIONAL";
! 352: case TAG_FMT_SINGLE: return "SINGLE";
! 353: case TAG_FMT_DOUBLE: return "DOUBLE";
! 354: case TAG_FMT_IFD: return "IFD";
! 355: }
! 356: return "*Illegal";
! 357: }
! 358: #endif
! 359:
! 360: /* Describes tag values */
! 361: #define TAG_GPS_VERSION_ID 0x0000
! 362: #define TAG_GPS_LATITUDE_REF 0x0001
! 363: #define TAG_GPS_LATITUDE 0x0002
! 364: #define TAG_GPS_LONGITUDE_REF 0x0003
! 365: #define TAG_GPS_LONGITUDE 0x0004
! 366: #define TAG_GPS_ALTITUDE_REF 0x0005
! 367: #define TAG_GPS_ALTITUDE 0x0006
! 368: #define TAG_GPS_TIME_STAMP 0x0007
! 369: #define TAG_GPS_SATELLITES 0x0008
! 370: #define TAG_GPS_STATUS 0x0009
! 371: #define TAG_GPS_MEASURE_MODE 0x000A
! 372: #define TAG_GPS_DOP 0x000B
! 373: #define TAG_GPS_SPEED_REF 0x000C
! 374: #define TAG_GPS_SPEED 0x000D
! 375: #define TAG_GPS_TRACK_REF 0x000E
! 376: #define TAG_GPS_TRACK 0x000F
! 377: #define TAG_GPS_IMG_DIRECTION_REF 0x0010
! 378: #define TAG_GPS_IMG_DIRECTION 0x0011
! 379: #define TAG_GPS_MAP_DATUM 0x0012
! 380: #define TAG_GPS_DEST_LATITUDE_REF 0x0013
! 381: #define TAG_GPS_DEST_LATITUDE 0x0014
! 382: #define TAG_GPS_DEST_LONGITUDE_REF 0x0015
! 383: #define TAG_GPS_DEST_LONGITUDE 0x0016
! 384: #define TAG_GPS_DEST_BEARING_REF 0x0017
! 385: #define TAG_GPS_DEST_BEARING 0x0018
! 386: #define TAG_GPS_DEST_DISTANCE_REF 0x0019
! 387: #define TAG_GPS_DEST_DISTANCE 0x001A
! 388: #define TAG_GPS_PROCESSING_METHOD 0x001B
! 389: #define TAG_GPS_AREA_INFORMATION 0x001C
! 390: #define TAG_GPS_DATE_STAMP 0x001D
! 391: #define TAG_GPS_DIFFERENTIAL 0x001E
! 392: #define TAG_TIFF_COMMENT 0x00FE /* SHOUDLNT HAPPEN */
! 393: #define TAG_NEW_SUBFILE 0x00FE /* New version of subfile tag */
! 394: #define TAG_SUBFILE_TYPE 0x00FF /* Old version of subfile tag */
! 395: #define TAG_IMAGEWIDTH 0x0100
! 396: #define TAG_IMAGEHEIGHT 0x0101
! 397: #define TAG_BITS_PER_SAMPLE 0x0102
! 398: #define TAG_COMPRESSION 0x0103
! 399: #define TAG_PHOTOMETRIC_INTERPRETATION 0x0106
! 400: #define TAG_TRESHHOLDING 0x0107
! 401: #define TAG_CELL_WIDTH 0x0108
! 402: #define TAG_CELL_HEIGHT 0x0109
! 403: #define TAG_FILL_ORDER 0x010A
! 404: #define TAG_DOCUMENT_NAME 0x010D
! 405: #define TAG_IMAGE_DESCRIPTION 0x010E
! 406: #define TAG_MAKE 0x010F
! 407: #define TAG_MODEL 0x0110
! 408: #define TAG_STRIP_OFFSETS 0x0111
! 409: #define TAG_ORIENTATION 0x0112
! 410: #define TAG_SAMPLES_PER_PIXEL 0x0115
! 411: #define TAG_ROWS_PER_STRIP 0x0116
! 412: #define TAG_STRIP_BYTE_COUNTS 0x0117
! 413: #define TAG_MIN_SAMPPLE_VALUE 0x0118
! 414: #define TAG_MAX_SAMPLE_VALUE 0x0119
! 415: #define TAG_X_RESOLUTION 0x011A
! 416: #define TAG_Y_RESOLUTION 0x011B
! 417: #define TAG_PLANAR_CONFIGURATION 0x011C
! 418: #define TAG_PAGE_NAME 0x011D
! 419: #define TAG_X_POSITION 0x011E
! 420: #define TAG_Y_POSITION 0x011F
! 421: #define TAG_FREE_OFFSETS 0x0120
! 422: #define TAG_FREE_BYTE_COUNTS 0x0121
! 423: #define TAG_GRAY_RESPONSE_UNIT 0x0122
! 424: #define TAG_GRAY_RESPONSE_CURVE 0x0123
! 425: #define TAG_RESOLUTION_UNIT 0x0128
! 426: #define TAG_PAGE_NUMBER 0x0129
! 427: #define TAG_TRANSFER_FUNCTION 0x012D
! 428: #define TAG_SOFTWARE 0x0131
! 429: #define TAG_DATETIME 0x0132
! 430: #define TAG_ARTIST 0x013B
! 431: #define TAG_HOST_COMPUTER 0x013C
! 432: #define TAG_PREDICTOR 0x013D
! 433: #define TAG_WHITE_POINT 0x013E
! 434: #define TAG_PRIMARY_CHROMATICITIES 0x013F
! 435: #define TAG_COLOR_MAP 0x0140
! 436: #define TAG_HALFTONE_HINTS 0x0141
! 437: #define TAG_TILE_WIDTH 0x0142
! 438: #define TAG_TILE_LENGTH 0x0143
! 439: #define TAG_TILE_OFFSETS 0x0144
! 440: #define TAG_TILE_BYTE_COUNTS 0x0145
! 441: #define TAG_SUB_IFD 0x014A
! 442: #define TAG_INK_SETMPUTER 0x014C
! 443: #define TAG_INK_NAMES 0x014D
! 444: #define TAG_NUMBER_OF_INKS 0x014E
! 445: #define TAG_DOT_RANGE 0x0150
! 446: #define TAG_TARGET_PRINTER 0x0151
! 447: #define TAG_EXTRA_SAMPLE 0x0152
! 448: #define TAG_SAMPLE_FORMAT 0x0153
! 449: #define TAG_S_MIN_SAMPLE_VALUE 0x0154
! 450: #define TAG_S_MAX_SAMPLE_VALUE 0x0155
! 451: #define TAG_TRANSFER_RANGE 0x0156
! 452: #define TAG_JPEG_TABLES 0x015B
! 453: #define TAG_JPEG_PROC 0x0200
! 454: #define TAG_JPEG_INTERCHANGE_FORMAT 0x0201
! 455: #define TAG_JPEG_INTERCHANGE_FORMAT_LEN 0x0202
! 456: #define TAG_JPEG_RESTART_INTERVAL 0x0203
! 457: #define TAG_JPEG_LOSSLESS_PREDICTOR 0x0205
! 458: #define TAG_JPEG_POINT_TRANSFORMS 0x0206
! 459: #define TAG_JPEG_Q_TABLES 0x0207
! 460: #define TAG_JPEG_DC_TABLES 0x0208
! 461: #define TAG_JPEG_AC_TABLES 0x0209
! 462: #define TAG_YCC_COEFFICIENTS 0x0211
! 463: #define TAG_YCC_SUB_SAMPLING 0x0212
! 464: #define TAG_YCC_POSITIONING 0x0213
! 465: #define TAG_REFERENCE_BLACK_WHITE 0x0214
! 466: /* 0x0301 - 0x0302 */
! 467: /* 0x0320 */
! 468: /* 0x0343 */
! 469: /* 0x5001 - 0x501B */
! 470: /* 0x5021 - 0x503B */
! 471: /* 0x5090 - 0x5091 */
! 472: /* 0x5100 - 0x5101 */
! 473: /* 0x5110 - 0x5113 */
! 474: /* 0x80E3 - 0x80E6 */
! 475: /* 0x828d - 0x828F */
! 476: #define TAG_COPYRIGHT 0x8298
! 477: #define TAG_EXPOSURETIME 0x829A
! 478: #define TAG_FNUMBER 0x829D
! 479: #define TAG_EXIF_IFD_POINTER 0x8769
! 480: #define TAG_ICC_PROFILE 0x8773
! 481: #define TAG_EXPOSURE_PROGRAM 0x8822
! 482: #define TAG_SPECTRAL_SENSITY 0x8824
! 483: #define TAG_GPS_IFD_POINTER 0x8825
! 484: #define TAG_ISOSPEED 0x8827
! 485: #define TAG_OPTOELECTRIC_CONVERSION_F 0x8828
! 486: /* 0x8829 - 0x882b */
! 487: #define TAG_EXIFVERSION 0x9000
! 488: #define TAG_DATE_TIME_ORIGINAL 0x9003
! 489: #define TAG_DATE_TIME_DIGITIZED 0x9004
! 490: #define TAG_COMPONENT_CONFIG 0x9101
! 491: #define TAG_COMPRESSED_BITS_PER_PIXEL 0x9102
! 492: #define TAG_SHUTTERSPEED 0x9201
! 493: #define TAG_APERTURE 0x9202
! 494: #define TAG_BRIGHTNESS_VALUE 0x9203
! 495: #define TAG_EXPOSURE_BIAS_VALUE 0x9204
! 496: #define TAG_MAX_APERTURE 0x9205
! 497: #define TAG_SUBJECT_DISTANCE 0x9206
! 498: #define TAG_METRIC_MODULE 0x9207
! 499: #define TAG_LIGHT_SOURCE 0x9208
! 500: #define TAG_FLASH 0x9209
! 501: #define TAG_FOCAL_LENGTH 0x920A
! 502: /* 0x920B - 0x920D */
! 503: /* 0x9211 - 0x9216 */
! 504: #define TAG_SUBJECT_AREA 0x9214
! 505: #define TAG_MAKER_NOTE 0x927C
! 506: #define TAG_USERCOMMENT 0x9286
! 507: #define TAG_SUB_SEC_TIME 0x9290
! 508: #define TAG_SUB_SEC_TIME_ORIGINAL 0x9291
! 509: #define TAG_SUB_SEC_TIME_DIGITIZED 0x9292
! 510: /* 0x923F */
! 511: /* 0x935C */
! 512: #define TAG_XP_TITLE 0x9C9B
! 513: #define TAG_XP_COMMENTS 0x9C9C
! 514: #define TAG_XP_AUTHOR 0x9C9D
! 515: #define TAG_XP_KEYWORDS 0x9C9E
! 516: #define TAG_XP_SUBJECT 0x9C9F
! 517: #define TAG_FLASH_PIX_VERSION 0xA000
! 518: #define TAG_COLOR_SPACE 0xA001
! 519: #define TAG_COMP_IMAGE_WIDTH 0xA002 /* compressed images only */
! 520: #define TAG_COMP_IMAGE_HEIGHT 0xA003
! 521: #define TAG_RELATED_SOUND_FILE 0xA004
! 522: #define TAG_INTEROP_IFD_POINTER 0xA005 /* IFD pointer */
! 523: #define TAG_FLASH_ENERGY 0xA20B
! 524: #define TAG_SPATIAL_FREQUENCY_RESPONSE 0xA20C
! 525: #define TAG_FOCALPLANE_X_RES 0xA20E
! 526: #define TAG_FOCALPLANE_Y_RES 0xA20F
! 527: #define TAG_FOCALPLANE_RESOLUTION_UNIT 0xA210
! 528: #define TAG_SUBJECT_LOCATION 0xA214
! 529: #define TAG_EXPOSURE_INDEX 0xA215
! 530: #define TAG_SENSING_METHOD 0xA217
! 531: #define TAG_FILE_SOURCE 0xA300
! 532: #define TAG_SCENE_TYPE 0xA301
! 533: #define TAG_CFA_PATTERN 0xA302
! 534: #define TAG_CUSTOM_RENDERED 0xA401
! 535: #define TAG_EXPOSURE_MODE 0xA402
! 536: #define TAG_WHITE_BALANCE 0xA403
! 537: #define TAG_DIGITAL_ZOOM_RATIO 0xA404
! 538: #define TAG_FOCAL_LENGTH_IN_35_MM_FILM 0xA405
! 539: #define TAG_SCENE_CAPTURE_TYPE 0xA406
! 540: #define TAG_GAIN_CONTROL 0xA407
! 541: #define TAG_CONTRAST 0xA408
! 542: #define TAG_SATURATION 0xA409
! 543: #define TAG_SHARPNESS 0xA40A
! 544: #define TAG_DEVICE_SETTING_DESCRIPTION 0xA40B
! 545: #define TAG_SUBJECT_DISTANCE_RANGE 0xA40C
! 546: #define TAG_IMAGE_UNIQUE_ID 0xA420
! 547:
! 548: /* Olympus specific tags */
! 549: #define TAG_OLYMPUS_SPECIALMODE 0x0200
! 550: #define TAG_OLYMPUS_JPEGQUAL 0x0201
! 551: #define TAG_OLYMPUS_MACRO 0x0202
! 552: #define TAG_OLYMPUS_DIGIZOOM 0x0204
! 553: #define TAG_OLYMPUS_SOFTWARERELEASE 0x0207
! 554: #define TAG_OLYMPUS_PICTINFO 0x0208
! 555: #define TAG_OLYMPUS_CAMERAID 0x0209
! 556: /* end Olympus specific tags */
! 557:
! 558: /* Internal */
! 559: #define TAG_NONE -1 /* note that -1 <> 0xFFFF */
! 560: #define TAG_COMPUTED_VALUE -2
! 561: #define TAG_END_OF_LIST 0xFFFD
! 562:
! 563: /* Values for TAG_PHOTOMETRIC_INTERPRETATION */
! 564: #define PMI_BLACK_IS_ZERO 0
! 565: #define PMI_WHITE_IS_ZERO 1
! 566: #define PMI_RGB 2
! 567: #define PMI_PALETTE_COLOR 3
! 568: #define PMI_TRANSPARENCY_MASK 4
! 569: #define PMI_SEPARATED 5
! 570: #define PMI_YCBCR 6
! 571: #define PMI_CIELAB 8
! 572:
! 573: /* }}} */
! 574:
! 575: /* {{{ TabTable[]
! 576: */
! 577: typedef const struct {
! 578: unsigned short Tag;
! 579: char *Desc;
! 580: } tag_info_type;
! 581:
! 582: typedef tag_info_type tag_info_array[];
! 583: typedef tag_info_type *tag_table_type;
! 584:
! 585: #define TAG_TABLE_END \
! 586: {TAG_NONE, "No tag value"},\
! 587: {TAG_COMPUTED_VALUE, "Computed value"},\
! 588: {TAG_END_OF_LIST, ""} /* Important for exif_get_tagname() IF value != "" function result is != false */
! 589:
! 590: static tag_info_array tag_table_IFD = {
! 591: { 0x000B, "ACDComment"},
! 592: { 0x00FE, "NewSubFile"}, /* better name it 'ImageType' ? */
! 593: { 0x00FF, "SubFile"},
! 594: { 0x0100, "ImageWidth"},
! 595: { 0x0101, "ImageLength"},
! 596: { 0x0102, "BitsPerSample"},
! 597: { 0x0103, "Compression"},
! 598: { 0x0106, "PhotometricInterpretation"},
! 599: { 0x010A, "FillOrder"},
! 600: { 0x010D, "DocumentName"},
! 601: { 0x010E, "ImageDescription"},
! 602: { 0x010F, "Make"},
! 603: { 0x0110, "Model"},
! 604: { 0x0111, "StripOffsets"},
! 605: { 0x0112, "Orientation"},
! 606: { 0x0115, "SamplesPerPixel"},
! 607: { 0x0116, "RowsPerStrip"},
! 608: { 0x0117, "StripByteCounts"},
! 609: { 0x0118, "MinSampleValue"},
! 610: { 0x0119, "MaxSampleValue"},
! 611: { 0x011A, "XResolution"},
! 612: { 0x011B, "YResolution"},
! 613: { 0x011C, "PlanarConfiguration"},
! 614: { 0x011D, "PageName"},
! 615: { 0x011E, "XPosition"},
! 616: { 0x011F, "YPosition"},
! 617: { 0x0120, "FreeOffsets"},
! 618: { 0x0121, "FreeByteCounts"},
! 619: { 0x0122, "GrayResponseUnit"},
! 620: { 0x0123, "GrayResponseCurve"},
! 621: { 0x0124, "T4Options"},
! 622: { 0x0125, "T6Options"},
! 623: { 0x0128, "ResolutionUnit"},
! 624: { 0x0129, "PageNumber"},
! 625: { 0x012D, "TransferFunction"},
! 626: { 0x0131, "Software"},
! 627: { 0x0132, "DateTime"},
! 628: { 0x013B, "Artist"},
! 629: { 0x013C, "HostComputer"},
! 630: { 0x013D, "Predictor"},
! 631: { 0x013E, "WhitePoint"},
! 632: { 0x013F, "PrimaryChromaticities"},
! 633: { 0x0140, "ColorMap"},
! 634: { 0x0141, "HalfToneHints"},
! 635: { 0x0142, "TileWidth"},
! 636: { 0x0143, "TileLength"},
! 637: { 0x0144, "TileOffsets"},
! 638: { 0x0145, "TileByteCounts"},
! 639: { 0x014A, "SubIFD"},
! 640: { 0x014C, "InkSet"},
! 641: { 0x014D, "InkNames"},
! 642: { 0x014E, "NumberOfInks"},
! 643: { 0x0150, "DotRange"},
! 644: { 0x0151, "TargetPrinter"},
! 645: { 0x0152, "ExtraSample"},
! 646: { 0x0153, "SampleFormat"},
! 647: { 0x0154, "SMinSampleValue"},
! 648: { 0x0155, "SMaxSampleValue"},
! 649: { 0x0156, "TransferRange"},
! 650: { 0x0157, "ClipPath"},
! 651: { 0x0158, "XClipPathUnits"},
! 652: { 0x0159, "YClipPathUnits"},
! 653: { 0x015A, "Indexed"},
! 654: { 0x015B, "JPEGTables"},
! 655: { 0x015F, "OPIProxy"},
! 656: { 0x0200, "JPEGProc"},
! 657: { 0x0201, "JPEGInterchangeFormat"},
! 658: { 0x0202, "JPEGInterchangeFormatLength"},
! 659: { 0x0203, "JPEGRestartInterval"},
! 660: { 0x0205, "JPEGLosslessPredictors"},
! 661: { 0x0206, "JPEGPointTransforms"},
! 662: { 0x0207, "JPEGQTables"},
! 663: { 0x0208, "JPEGDCTables"},
! 664: { 0x0209, "JPEGACTables"},
! 665: { 0x0211, "YCbCrCoefficients"},
! 666: { 0x0212, "YCbCrSubSampling"},
! 667: { 0x0213, "YCbCrPositioning"},
! 668: { 0x0214, "ReferenceBlackWhite"},
! 669: { 0x02BC, "ExtensibleMetadataPlatform"}, /* XAP: Extensible Authoring Publishing, obsoleted by XMP: Extensible Metadata Platform */
! 670: { 0x0301, "Gamma"},
! 671: { 0x0302, "ICCProfileDescriptor"},
! 672: { 0x0303, "SRGBRenderingIntent"},
! 673: { 0x0320, "ImageTitle"},
! 674: { 0x5001, "ResolutionXUnit"},
! 675: { 0x5002, "ResolutionYUnit"},
! 676: { 0x5003, "ResolutionXLengthUnit"},
! 677: { 0x5004, "ResolutionYLengthUnit"},
! 678: { 0x5005, "PrintFlags"},
! 679: { 0x5006, "PrintFlagsVersion"},
! 680: { 0x5007, "PrintFlagsCrop"},
! 681: { 0x5008, "PrintFlagsBleedWidth"},
! 682: { 0x5009, "PrintFlagsBleedWidthScale"},
! 683: { 0x500A, "HalftoneLPI"},
! 684: { 0x500B, "HalftoneLPIUnit"},
! 685: { 0x500C, "HalftoneDegree"},
! 686: { 0x500D, "HalftoneShape"},
! 687: { 0x500E, "HalftoneMisc"},
! 688: { 0x500F, "HalftoneScreen"},
! 689: { 0x5010, "JPEGQuality"},
! 690: { 0x5011, "GridSize"},
! 691: { 0x5012, "ThumbnailFormat"},
! 692: { 0x5013, "ThumbnailWidth"},
! 693: { 0x5014, "ThumbnailHeight"},
! 694: { 0x5015, "ThumbnailColorDepth"},
! 695: { 0x5016, "ThumbnailPlanes"},
! 696: { 0x5017, "ThumbnailRawBytes"},
! 697: { 0x5018, "ThumbnailSize"},
! 698: { 0x5019, "ThumbnailCompressedSize"},
! 699: { 0x501A, "ColorTransferFunction"},
! 700: { 0x501B, "ThumbnailData"},
! 701: { 0x5020, "ThumbnailImageWidth"},
! 702: { 0x5021, "ThumbnailImageHeight"},
! 703: { 0x5022, "ThumbnailBitsPerSample"},
! 704: { 0x5023, "ThumbnailCompression"},
! 705: { 0x5024, "ThumbnailPhotometricInterp"},
! 706: { 0x5025, "ThumbnailImageDescription"},
! 707: { 0x5026, "ThumbnailEquipMake"},
! 708: { 0x5027, "ThumbnailEquipModel"},
! 709: { 0x5028, "ThumbnailStripOffsets"},
! 710: { 0x5029, "ThumbnailOrientation"},
! 711: { 0x502A, "ThumbnailSamplesPerPixel"},
! 712: { 0x502B, "ThumbnailRowsPerStrip"},
! 713: { 0x502C, "ThumbnailStripBytesCount"},
! 714: { 0x502D, "ThumbnailResolutionX"},
! 715: { 0x502E, "ThumbnailResolutionY"},
! 716: { 0x502F, "ThumbnailPlanarConfig"},
! 717: { 0x5030, "ThumbnailResolutionUnit"},
! 718: { 0x5031, "ThumbnailTransferFunction"},
! 719: { 0x5032, "ThumbnailSoftwareUsed"},
! 720: { 0x5033, "ThumbnailDateTime"},
! 721: { 0x5034, "ThumbnailArtist"},
! 722: { 0x5035, "ThumbnailWhitePoint"},
! 723: { 0x5036, "ThumbnailPrimaryChromaticities"},
! 724: { 0x5037, "ThumbnailYCbCrCoefficients"},
! 725: { 0x5038, "ThumbnailYCbCrSubsampling"},
! 726: { 0x5039, "ThumbnailYCbCrPositioning"},
! 727: { 0x503A, "ThumbnailRefBlackWhite"},
! 728: { 0x503B, "ThumbnailCopyRight"},
! 729: { 0x5090, "LuminanceTable"},
! 730: { 0x5091, "ChrominanceTable"},
! 731: { 0x5100, "FrameDelay"},
! 732: { 0x5101, "LoopCount"},
! 733: { 0x5110, "PixelUnit"},
! 734: { 0x5111, "PixelPerUnitX"},
! 735: { 0x5112, "PixelPerUnitY"},
! 736: { 0x5113, "PaletteHistogram"},
! 737: { 0x1000, "RelatedImageFileFormat"},
! 738: { 0x800D, "ImageID"},
! 739: { 0x80E3, "Matteing"}, /* obsoleted by ExtraSamples */
! 740: { 0x80E4, "DataType"}, /* obsoleted by SampleFormat */
! 741: { 0x80E5, "ImageDepth"},
! 742: { 0x80E6, "TileDepth"},
! 743: { 0x828D, "CFARepeatPatternDim"},
! 744: { 0x828E, "CFAPattern"},
! 745: { 0x828F, "BatteryLevel"},
! 746: { 0x8298, "Copyright"},
! 747: { 0x829A, "ExposureTime"},
! 748: { 0x829D, "FNumber"},
! 749: { 0x83BB, "IPTC/NAA"},
! 750: { 0x84E3, "IT8RasterPadding"},
! 751: { 0x84E5, "IT8ColorTable"},
! 752: { 0x8649, "ImageResourceInformation"}, /* PhotoShop */
! 753: { 0x8769, "Exif_IFD_Pointer"},
! 754: { 0x8773, "ICC_Profile"},
! 755: { 0x8822, "ExposureProgram"},
! 756: { 0x8824, "SpectralSensity"},
! 757: { 0x8828, "OECF"},
! 758: { 0x8825, "GPS_IFD_Pointer"},
! 759: { 0x8827, "ISOSpeedRatings"},
! 760: { 0x8828, "OECF"},
! 761: { 0x9000, "ExifVersion"},
! 762: { 0x9003, "DateTimeOriginal"},
! 763: { 0x9004, "DateTimeDigitized"},
! 764: { 0x9101, "ComponentsConfiguration"},
! 765: { 0x9102, "CompressedBitsPerPixel"},
! 766: { 0x9201, "ShutterSpeedValue"},
! 767: { 0x9202, "ApertureValue"},
! 768: { 0x9203, "BrightnessValue"},
! 769: { 0x9204, "ExposureBiasValue"},
! 770: { 0x9205, "MaxApertureValue"},
! 771: { 0x9206, "SubjectDistance"},
! 772: { 0x9207, "MeteringMode"},
! 773: { 0x9208, "LightSource"},
! 774: { 0x9209, "Flash"},
! 775: { 0x920A, "FocalLength"},
! 776: { 0x920B, "FlashEnergy"}, /* 0xA20B in JPEG */
! 777: { 0x920C, "SpatialFrequencyResponse"}, /* 0xA20C - - */
! 778: { 0x920D, "Noise"},
! 779: { 0x920E, "FocalPlaneXResolution"}, /* 0xA20E - - */
! 780: { 0x920F, "FocalPlaneYResolution"}, /* 0xA20F - - */
! 781: { 0x9210, "FocalPlaneResolutionUnit"}, /* 0xA210 - - */
! 782: { 0x9211, "ImageNumber"},
! 783: { 0x9212, "SecurityClassification"},
! 784: { 0x9213, "ImageHistory"},
! 785: { 0x9214, "SubjectLocation"}, /* 0xA214 - - */
! 786: { 0x9215, "ExposureIndex"}, /* 0xA215 - - */
! 787: { 0x9216, "TIFF/EPStandardID"},
! 788: { 0x9217, "SensingMethod"}, /* 0xA217 - - */
! 789: { 0x923F, "StoNits"},
! 790: { 0x927C, "MakerNote"},
! 791: { 0x9286, "UserComment"},
! 792: { 0x9290, "SubSecTime"},
! 793: { 0x9291, "SubSecTimeOriginal"},
! 794: { 0x9292, "SubSecTimeDigitized"},
! 795: { 0x935C, "ImageSourceData"}, /* "Adobe Photoshop Document Data Block": 8BIM... */
! 796: { 0x9c9b, "Title" }, /* Win XP specific, Unicode */
! 797: { 0x9c9c, "Comments" }, /* Win XP specific, Unicode */
! 798: { 0x9c9d, "Author" }, /* Win XP specific, Unicode */
! 799: { 0x9c9e, "Keywords" }, /* Win XP specific, Unicode */
! 800: { 0x9c9f, "Subject" }, /* Win XP specific, Unicode, not to be confused with SubjectDistance and SubjectLocation */
! 801: { 0xA000, "FlashPixVersion"},
! 802: { 0xA001, "ColorSpace"},
! 803: { 0xA002, "ExifImageWidth"},
! 804: { 0xA003, "ExifImageLength"},
! 805: { 0xA004, "RelatedSoundFile"},
! 806: { 0xA005, "InteroperabilityOffset"},
! 807: { 0xA20B, "FlashEnergy"}, /* 0x920B in TIFF/EP */
! 808: { 0xA20C, "SpatialFrequencyResponse"}, /* 0x920C - - */
! 809: { 0xA20D, "Noise"},
! 810: { 0xA20E, "FocalPlaneXResolution"}, /* 0x920E - - */
! 811: { 0xA20F, "FocalPlaneYResolution"}, /* 0x920F - - */
! 812: { 0xA210, "FocalPlaneResolutionUnit"}, /* 0x9210 - - */
! 813: { 0xA211, "ImageNumber"},
! 814: { 0xA212, "SecurityClassification"},
! 815: { 0xA213, "ImageHistory"},
! 816: { 0xA214, "SubjectLocation"}, /* 0x9214 - - */
! 817: { 0xA215, "ExposureIndex"}, /* 0x9215 - - */
! 818: { 0xA216, "TIFF/EPStandardID"},
! 819: { 0xA217, "SensingMethod"}, /* 0x9217 - - */
! 820: { 0xA300, "FileSource"},
! 821: { 0xA301, "SceneType"},
! 822: { 0xA302, "CFAPattern"},
! 823: { 0xA401, "CustomRendered"},
! 824: { 0xA402, "ExposureMode"},
! 825: { 0xA403, "WhiteBalance"},
! 826: { 0xA404, "DigitalZoomRatio"},
! 827: { 0xA405, "FocalLengthIn35mmFilm"},
! 828: { 0xA406, "SceneCaptureType"},
! 829: { 0xA407, "GainControl"},
! 830: { 0xA408, "Contrast"},
! 831: { 0xA409, "Saturation"},
! 832: { 0xA40A, "Sharpness"},
! 833: { 0xA40B, "DeviceSettingDescription"},
! 834: { 0xA40C, "SubjectDistanceRange"},
! 835: { 0xA420, "ImageUniqueID"},
! 836: TAG_TABLE_END
! 837: } ;
! 838:
! 839: static tag_info_array tag_table_GPS = {
! 840: { 0x0000, "GPSVersion"},
! 841: { 0x0001, "GPSLatitudeRef"},
! 842: { 0x0002, "GPSLatitude"},
! 843: { 0x0003, "GPSLongitudeRef"},
! 844: { 0x0004, "GPSLongitude"},
! 845: { 0x0005, "GPSAltitudeRef"},
! 846: { 0x0006, "GPSAltitude"},
! 847: { 0x0007, "GPSTimeStamp"},
! 848: { 0x0008, "GPSSatellites"},
! 849: { 0x0009, "GPSStatus"},
! 850: { 0x000A, "GPSMeasureMode"},
! 851: { 0x000B, "GPSDOP"},
! 852: { 0x000C, "GPSSpeedRef"},
! 853: { 0x000D, "GPSSpeed"},
! 854: { 0x000E, "GPSTrackRef"},
! 855: { 0x000F, "GPSTrack"},
! 856: { 0x0010, "GPSImgDirectionRef"},
! 857: { 0x0011, "GPSImgDirection"},
! 858: { 0x0012, "GPSMapDatum"},
! 859: { 0x0013, "GPSDestLatitudeRef"},
! 860: { 0x0014, "GPSDestLatitude"},
! 861: { 0x0015, "GPSDestLongitudeRef"},
! 862: { 0x0016, "GPSDestLongitude"},
! 863: { 0x0017, "GPSDestBearingRef"},
! 864: { 0x0018, "GPSDestBearing"},
! 865: { 0x0019, "GPSDestDistanceRef"},
! 866: { 0x001A, "GPSDestDistance"},
! 867: { 0x001B, "GPSProcessingMode"},
! 868: { 0x001C, "GPSAreaInformation"},
! 869: { 0x001D, "GPSDateStamp"},
! 870: { 0x001E, "GPSDifferential"},
! 871: TAG_TABLE_END
! 872: };
! 873:
! 874: static tag_info_array tag_table_IOP = {
! 875: { 0x0001, "InterOperabilityIndex"}, /* should be 'R98' or 'THM' */
! 876: { 0x0002, "InterOperabilityVersion"},
! 877: { 0x1000, "RelatedFileFormat"},
! 878: { 0x1001, "RelatedImageWidth"},
! 879: { 0x1002, "RelatedImageHeight"},
! 880: TAG_TABLE_END
! 881: };
! 882:
! 883: static tag_info_array tag_table_VND_CANON = {
! 884: { 0x0001, "ModeArray"}, /* guess */
! 885: { 0x0004, "ImageInfo"}, /* guess */
! 886: { 0x0006, "ImageType"},
! 887: { 0x0007, "FirmwareVersion"},
! 888: { 0x0008, "ImageNumber"},
! 889: { 0x0009, "OwnerName"},
! 890: { 0x000C, "Camera"},
! 891: { 0x000F, "CustomFunctions"},
! 892: TAG_TABLE_END
! 893: };
! 894:
! 895: static tag_info_array tag_table_VND_CASIO = {
! 896: { 0x0001, "RecordingMode"},
! 897: { 0x0002, "Quality"},
! 898: { 0x0003, "FocusingMode"},
! 899: { 0x0004, "FlashMode"},
! 900: { 0x0005, "FlashIntensity"},
! 901: { 0x0006, "ObjectDistance"},
! 902: { 0x0007, "WhiteBalance"},
! 903: { 0x000A, "DigitalZoom"},
! 904: { 0x000B, "Sharpness"},
! 905: { 0x000C, "Contrast"},
! 906: { 0x000D, "Saturation"},
! 907: { 0x0014, "CCDSensitivity"},
! 908: TAG_TABLE_END
! 909: };
! 910:
! 911: static tag_info_array tag_table_VND_FUJI = {
! 912: { 0x0000, "Version"},
! 913: { 0x1000, "Quality"},
! 914: { 0x1001, "Sharpness"},
! 915: { 0x1002, "WhiteBalance"},
! 916: { 0x1003, "Color"},
! 917: { 0x1004, "Tone"},
! 918: { 0x1010, "FlashMode"},
! 919: { 0x1011, "FlashStrength"},
! 920: { 0x1020, "Macro"},
! 921: { 0x1021, "FocusMode"},
! 922: { 0x1030, "SlowSync"},
! 923: { 0x1031, "PictureMode"},
! 924: { 0x1100, "ContTake"},
! 925: { 0x1300, "BlurWarning"},
! 926: { 0x1301, "FocusWarning"},
! 927: { 0x1302, "AEWarning "},
! 928: TAG_TABLE_END
! 929: };
! 930:
! 931: static tag_info_array tag_table_VND_NIKON = {
! 932: { 0x0003, "Quality"},
! 933: { 0x0004, "ColorMode"},
! 934: { 0x0005, "ImageAdjustment"},
! 935: { 0x0006, "CCDSensitivity"},
! 936: { 0x0007, "WhiteBalance"},
! 937: { 0x0008, "Focus"},
! 938: { 0x000a, "DigitalZoom"},
! 939: { 0x000b, "Converter"},
! 940: TAG_TABLE_END
! 941: };
! 942:
! 943: static tag_info_array tag_table_VND_NIKON_990 = {
! 944: { 0x0001, "Version"},
! 945: { 0x0002, "ISOSetting"},
! 946: { 0x0003, "ColorMode"},
! 947: { 0x0004, "Quality"},
! 948: { 0x0005, "WhiteBalance"},
! 949: { 0x0006, "ImageSharpening"},
! 950: { 0x0007, "FocusMode"},
! 951: { 0x0008, "FlashSetting"},
! 952: { 0x000F, "ISOSelection"},
! 953: { 0x0080, "ImageAdjustment"},
! 954: { 0x0082, "AuxiliaryLens"},
! 955: { 0x0085, "ManualFocusDistance"},
! 956: { 0x0086, "DigitalZoom"},
! 957: { 0x0088, "AFFocusPosition"},
! 958: { 0x0010, "DataDump"},
! 959: TAG_TABLE_END
! 960: };
! 961:
! 962: static tag_info_array tag_table_VND_OLYMPUS = {
! 963: { 0x0200, "SpecialMode"},
! 964: { 0x0201, "JPEGQuality"},
! 965: { 0x0202, "Macro"},
! 966: { 0x0204, "DigitalZoom"},
! 967: { 0x0207, "SoftwareRelease"},
! 968: { 0x0208, "PictureInfo"},
! 969: { 0x0209, "CameraId"},
! 970: { 0x0F00, "DataDump"},
! 971: TAG_TABLE_END
! 972: };
! 973:
! 974: typedef enum mn_byte_order_t {
! 975: MN_ORDER_INTEL = 0,
! 976: MN_ORDER_MOTOROLA = 1,
! 977: MN_ORDER_NORMAL
! 978: } mn_byte_order_t;
! 979:
! 980: typedef enum mn_offset_mode_t {
! 981: MN_OFFSET_NORMAL,
! 982: MN_OFFSET_MAKER,
! 983: MN_OFFSET_GUESS
! 984: } mn_offset_mode_t;
! 985:
! 986: typedef struct {
! 987: tag_table_type tag_table;
! 988: char * make;
! 989: char * model;
! 990: char * id_string;
! 991: int id_string_len;
! 992: int offset;
! 993: mn_byte_order_t byte_order;
! 994: mn_offset_mode_t offset_mode;
! 995: } maker_note_type;
! 996:
! 997: static const maker_note_type maker_note_array[] = {
! 998: { tag_table_VND_CANON, "Canon", NULL, NULL, 0, 0, MN_ORDER_INTEL, MN_OFFSET_GUESS},
! 999: /* { tag_table_VND_CANON, "Canon", NULL, NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL},*/
! 1000: { tag_table_VND_CASIO, "CASIO", NULL, NULL, 0, 0, MN_ORDER_MOTOROLA, MN_OFFSET_NORMAL},
! 1001: { tag_table_VND_FUJI, "FUJIFILM", NULL, "FUJIFILM\x0C\x00\x00\x00", 12, 12, MN_ORDER_INTEL, MN_OFFSET_MAKER},
! 1002: { tag_table_VND_NIKON, "NIKON", NULL, "Nikon\x00\x01\x00", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL},
! 1003: { tag_table_VND_NIKON_990, "NIKON", NULL, NULL, 0, 0, MN_ORDER_NORMAL, MN_OFFSET_NORMAL},
! 1004: { tag_table_VND_OLYMPUS, "OLYMPUS OPTICAL CO.,LTD", NULL, "OLYMP\x00\x01\x00", 8, 8, MN_ORDER_NORMAL, MN_OFFSET_NORMAL},
! 1005: };
! 1006: /* }}} */
! 1007:
! 1008: /* {{{ exif_get_tagname
! 1009: Get headername for tag_num or NULL if not defined */
! 1010: static char * exif_get_tagname(int tag_num, char *ret, int len, tag_table_type tag_table TSRMLS_DC)
! 1011: {
! 1012: int i, t;
! 1013: char tmp[32];
! 1014:
! 1015: for (i = 0; (t = tag_table[i].Tag) != TAG_END_OF_LIST; i++) {
! 1016: if (t == tag_num) {
! 1017: if (ret && len) {
! 1018: strlcpy(ret, tag_table[i].Desc, abs(len));
! 1019: if (len < 0) {
! 1020: memset(ret + strlen(ret), ' ', -len - strlen(ret) - 1);
! 1021: ret[-len - 1] = '\0';
! 1022: }
! 1023: return ret;
! 1024: }
! 1025: return tag_table[i].Desc;
! 1026: }
! 1027: }
! 1028:
! 1029: if (ret && len) {
! 1030: snprintf(tmp, sizeof(tmp), "UndefinedTag:0x%04X", tag_num);
! 1031: strlcpy(ret, tmp, abs(len));
! 1032: if (len < 0) {
! 1033: memset(ret + strlen(ret), ' ', -len - strlen(ret) - 1);
! 1034: ret[-len - 1] = '\0';
! 1035: }
! 1036: return ret;
! 1037: }
! 1038: return "";
! 1039: }
! 1040: /* }}} */
! 1041:
! 1042: /* {{{ exif_char_dump
! 1043: * Do not use! This is a debug function... */
! 1044: #ifdef EXIF_DEBUG
! 1045: static unsigned char* exif_char_dump(unsigned char * addr, int len, int offset)
! 1046: {
! 1047: static unsigned char buf[4096+1];
! 1048: static unsigned char tmp[20];
! 1049: int c, i, p=0, n = 5+31;
! 1050:
! 1051: p += slprintf(buf+p, sizeof(buf)-p, "\nDump Len: %08X (%d)", len, len);
! 1052: if (len) {
! 1053: for(i=0; i<len+15 && p+n<=sizeof(buf); i++) {
! 1054: if (i%16==0) {
! 1055: p += slprintf(buf+p, sizeof(buf)-p, "\n%08X: ", i+offset);
! 1056: }
! 1057: if (i<len) {
! 1058: c = *addr++;
! 1059: p += slprintf(buf+p, sizeof(buf)-p, "%02X ", c);
! 1060: tmp[i%16] = c>=32 ? c : '.';
! 1061: tmp[(i%16)+1] = '\0';
! 1062: } else {
! 1063: p += slprintf(buf+p, sizeof(buf)-p, " ");
! 1064: }
! 1065: if (i%16==15) {
! 1066: p += slprintf(buf+p, sizeof(buf)-p, " %s", tmp);
! 1067: if (i>=len) {
! 1068: break;
! 1069: }
! 1070: }
! 1071: }
! 1072: }
! 1073: buf[sizeof(buf)-1] = '\0';
! 1074: return buf;
! 1075: }
! 1076: #endif
! 1077: /* }}} */
! 1078:
! 1079: /* {{{ php_jpg_get16
! 1080: Get 16 bits motorola order (always) for jpeg header stuff.
! 1081: */
! 1082: static int php_jpg_get16(void *value)
! 1083: {
! 1084: return (((uchar *)value)[0] << 8) | ((uchar *)value)[1];
! 1085: }
! 1086: /* }}} */
! 1087:
! 1088: /* {{{ php_ifd_get16u
! 1089: * Convert a 16 bit unsigned value from file's native byte order */
! 1090: static int php_ifd_get16u(void *value, int motorola_intel)
! 1091: {
! 1092: if (motorola_intel) {
! 1093: return (((uchar *)value)[0] << 8) | ((uchar *)value)[1];
! 1094: } else {
! 1095: return (((uchar *)value)[1] << 8) | ((uchar *)value)[0];
! 1096: }
! 1097: }
! 1098: /* }}} */
! 1099:
! 1100: /* {{{ php_ifd_get16s
! 1101: * Convert a 16 bit signed value from file's native byte order */
! 1102: static signed short php_ifd_get16s(void *value, int motorola_intel)
! 1103: {
! 1104: return (signed short)php_ifd_get16u(value, motorola_intel);
! 1105: }
! 1106: /* }}} */
! 1107:
! 1108: /* {{{ php_ifd_get32s
! 1109: * Convert a 32 bit signed value from file's native byte order */
! 1110: static int php_ifd_get32s(void *value, int motorola_intel)
! 1111: {
! 1112: if (motorola_intel) {
! 1113: return (((char *)value)[0] << 24)
! 1114: | (((uchar *)value)[1] << 16)
! 1115: | (((uchar *)value)[2] << 8 )
! 1116: | (((uchar *)value)[3] );
! 1117: } else {
! 1118: return (((char *)value)[3] << 24)
! 1119: | (((uchar *)value)[2] << 16)
! 1120: | (((uchar *)value)[1] << 8 )
! 1121: | (((uchar *)value)[0] );
! 1122: }
! 1123: }
! 1124: /* }}} */
! 1125:
! 1126: /* {{{ php_ifd_get32u
! 1127: * Write 32 bit unsigned value to data */
! 1128: static unsigned php_ifd_get32u(void *value, int motorola_intel)
! 1129: {
! 1130: return (unsigned)php_ifd_get32s(value, motorola_intel) & 0xffffffff;
! 1131: }
! 1132: /* }}} */
! 1133:
! 1134: /* {{{ php_ifd_set16u
! 1135: * Write 16 bit unsigned value to data */
! 1136: static void php_ifd_set16u(char *data, unsigned int value, int motorola_intel)
! 1137: {
! 1138: if (motorola_intel) {
! 1139: data[0] = (value & 0xFF00) >> 8;
! 1140: data[1] = (value & 0x00FF);
! 1141: } else {
! 1142: data[1] = (value & 0xFF00) >> 8;
! 1143: data[0] = (value & 0x00FF);
! 1144: }
! 1145: }
! 1146: /* }}} */
! 1147:
! 1148: /* {{{ php_ifd_set32u
! 1149: * Convert a 32 bit unsigned value from file's native byte order */
! 1150: static void php_ifd_set32u(char *data, size_t value, int motorola_intel)
! 1151: {
! 1152: if (motorola_intel) {
! 1153: data[0] = (value & 0xFF000000) >> 24;
! 1154: data[1] = (value & 0x00FF0000) >> 16;
! 1155: data[2] = (value & 0x0000FF00) >> 8;
! 1156: data[3] = (value & 0x000000FF);
! 1157: } else {
! 1158: data[3] = (value & 0xFF000000) >> 24;
! 1159: data[2] = (value & 0x00FF0000) >> 16;
! 1160: data[1] = (value & 0x0000FF00) >> 8;
! 1161: data[0] = (value & 0x000000FF);
! 1162: }
! 1163: }
! 1164: /* }}} */
! 1165:
! 1166: #ifdef EXIF_DEBUG
! 1167: char * exif_dump_data(int *dump_free, int format, int components, int length, int motorola_intel, char *value_ptr TSRMLS_DC) /* {{{ */
! 1168: {
! 1169: char *dump;
! 1170: int len;
! 1171:
! 1172: *dump_free = 0;
! 1173: if (format == TAG_FMT_STRING) {
! 1174: return value_ptr ? value_ptr : "<no data>";
! 1175: }
! 1176: if (format == TAG_FMT_UNDEFINED) {
! 1177: return "<undefined>\n";
! 1178: }
! 1179: if (format == TAG_FMT_IFD) {
! 1180: return "";
! 1181: }
! 1182: if (format == TAG_FMT_SINGLE || format == TAG_FMT_DOUBLE) {
! 1183: return "<not implemented>";
! 1184: }
! 1185: *dump_free = 1;
! 1186: if (components > 1) {
! 1187: len = spprintf(&dump, 0, "(%d,%d) {", components, length);
! 1188: } else {
! 1189: len = spprintf(&dump, 0, "{");
! 1190: }
! 1191: while(components > 0) {
! 1192: switch(format) {
! 1193: case TAG_FMT_BYTE:
! 1194: case TAG_FMT_UNDEFINED:
! 1195: case TAG_FMT_STRING:
! 1196: case TAG_FMT_SBYTE:
! 1197: dump = erealloc(dump, len + 4 + 1);
! 1198: snprintf(dump + len, 4 + 1, "0x%02X", *value_ptr);
! 1199: len += 4;
! 1200: value_ptr++;
! 1201: break;
! 1202: case TAG_FMT_USHORT:
! 1203: case TAG_FMT_SSHORT:
! 1204: dump = erealloc(dump, len + 6 + 1);
! 1205: snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get16s(value_ptr, motorola_intel));
! 1206: len += 6;
! 1207: value_ptr += 2;
! 1208: break;
! 1209: case TAG_FMT_ULONG:
! 1210: case TAG_FMT_SLONG:
! 1211: dump = erealloc(dump, len + 6 + 1);
! 1212: snprintf(dump + len, 6 + 1, "0x%04X", php_ifd_get32s(value_ptr, motorola_intel));
! 1213: len += 6;
! 1214: value_ptr += 4;
! 1215: break;
! 1216: case TAG_FMT_URATIONAL:
! 1217: case TAG_FMT_SRATIONAL:
! 1218: dump = erealloc(dump, len + 13 + 1);
! 1219: snprintf(dump + len, 13 + 1, "0x%04X/0x%04X", php_ifd_get32s(value_ptr, motorola_intel), php_ifd_get32s(value_ptr+4, motorola_intel));
! 1220: len += 13;
! 1221: value_ptr += 8;
! 1222: break;
! 1223: }
! 1224: if (components > 0) {
! 1225: dump = erealloc(dump, len + 2 + 1);
! 1226: snprintf(dump + len, 2 + 1, ", ");
! 1227: len += 2;
! 1228: components--;
! 1229: } else{
! 1230: break;
! 1231: }
! 1232: }
! 1233: dump = erealloc(dump, len + 1 + 1);
! 1234: snprintf(dump + len, 1 + 1, "}");
! 1235: return dump;
! 1236: }
! 1237: /* }}} */
! 1238: #endif
! 1239:
! 1240: /* {{{ exif_convert_any_format
! 1241: * Evaluate number, be it int, rational, or float from directory. */
! 1242: static double exif_convert_any_format(void *value, int format, int motorola_intel TSRMLS_DC)
! 1243: {
! 1244: int s_den;
! 1245: unsigned u_den;
! 1246:
! 1247: switch(format) {
! 1248: case TAG_FMT_SBYTE: return *(signed char *)value;
! 1249: case TAG_FMT_BYTE: return *(uchar *)value;
! 1250:
! 1251: case TAG_FMT_USHORT: return php_ifd_get16u(value, motorola_intel);
! 1252: case TAG_FMT_ULONG: return php_ifd_get32u(value, motorola_intel);
! 1253:
! 1254: case TAG_FMT_URATIONAL:
! 1255: u_den = php_ifd_get32u(4+(char *)value, motorola_intel);
! 1256: if (u_den == 0) {
! 1257: return 0;
! 1258: } else {
! 1259: return (double)php_ifd_get32u(value, motorola_intel) / u_den;
! 1260: }
! 1261:
! 1262: case TAG_FMT_SRATIONAL:
! 1263: s_den = php_ifd_get32s(4+(char *)value, motorola_intel);
! 1264: if (s_den == 0) {
! 1265: return 0;
! 1266: } else {
! 1267: return (double)php_ifd_get32s(value, motorola_intel) / s_den;
! 1268: }
! 1269:
! 1270: case TAG_FMT_SSHORT: return (signed short)php_ifd_get16u(value, motorola_intel);
! 1271: case TAG_FMT_SLONG: return php_ifd_get32s(value, motorola_intel);
! 1272:
! 1273: /* Not sure if this is correct (never seen float used in Exif format) */
! 1274: case TAG_FMT_SINGLE:
! 1275: #ifdef EXIF_DEBUG
! 1276: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type single");
! 1277: #endif
! 1278: return (double)*(float *)value;
! 1279: case TAG_FMT_DOUBLE:
! 1280: #ifdef EXIF_DEBUG
! 1281: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type double");
! 1282: #endif
! 1283: return *(double *)value;
! 1284: }
! 1285: return 0;
! 1286: }
! 1287: /* }}} */
! 1288:
! 1289: /* {{{ exif_convert_any_to_int
! 1290: * Evaluate number, be it int, rational, or float from directory. */
! 1291: static size_t exif_convert_any_to_int(void *value, int format, int motorola_intel TSRMLS_DC)
! 1292: {
! 1293: int s_den;
! 1294: unsigned u_den;
! 1295:
! 1296: switch(format) {
! 1297: case TAG_FMT_SBYTE: return *(signed char *)value;
! 1298: case TAG_FMT_BYTE: return *(uchar *)value;
! 1299:
! 1300: case TAG_FMT_USHORT: return php_ifd_get16u(value, motorola_intel);
! 1301: case TAG_FMT_ULONG: return php_ifd_get32u(value, motorola_intel);
! 1302:
! 1303: case TAG_FMT_URATIONAL:
! 1304: u_den = php_ifd_get32u(4+(char *)value, motorola_intel);
! 1305: if (u_den == 0) {
! 1306: return 0;
! 1307: } else {
! 1308: return php_ifd_get32u(value, motorola_intel) / u_den;
! 1309: }
! 1310:
! 1311: case TAG_FMT_SRATIONAL:
! 1312: s_den = php_ifd_get32s(4+(char *)value, motorola_intel);
! 1313: if (s_den == 0) {
! 1314: return 0;
! 1315: } else {
! 1316: return php_ifd_get32s(value, motorola_intel) / s_den;
! 1317: }
! 1318:
! 1319: case TAG_FMT_SSHORT: return php_ifd_get16u(value, motorola_intel);
! 1320: case TAG_FMT_SLONG: return php_ifd_get32s(value, motorola_intel);
! 1321:
! 1322: /* Not sure if this is correct (never seen float used in Exif format) */
! 1323: case TAG_FMT_SINGLE:
! 1324: #ifdef EXIF_DEBUG
! 1325: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type single");
! 1326: #endif
! 1327: return (size_t)*(float *)value;
! 1328: case TAG_FMT_DOUBLE:
! 1329: #ifdef EXIF_DEBUG
! 1330: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Found value of type double");
! 1331: #endif
! 1332: return (size_t)*(double *)value;
! 1333: }
! 1334: return 0;
! 1335: }
! 1336: /* }}} */
! 1337:
! 1338: /* {{{ struct image_info_value, image_info_list
! 1339: */
! 1340: #ifndef WORD
! 1341: #define WORD unsigned short
! 1342: #endif
! 1343: #ifndef DWORD
! 1344: #define DWORD unsigned int
! 1345: #endif
! 1346:
! 1347: typedef struct {
! 1348: int num;
! 1349: int den;
! 1350: } signed_rational;
! 1351:
! 1352: typedef struct {
! 1353: unsigned int num;
! 1354: unsigned int den;
! 1355: } unsigned_rational;
! 1356:
! 1357: typedef union _image_info_value {
! 1358: char *s;
! 1359: unsigned u;
! 1360: int i;
! 1361: float f;
! 1362: double d;
! 1363: signed_rational sr;
! 1364: unsigned_rational ur;
! 1365: union _image_info_value *list;
! 1366: } image_info_value;
! 1367:
! 1368: typedef struct {
! 1369: WORD tag;
! 1370: WORD format;
! 1371: DWORD length;
! 1372: DWORD dummy; /* value ptr of tiff directory entry */
! 1373: char *name;
! 1374: image_info_value value;
! 1375: } image_info_data;
! 1376:
! 1377: typedef struct {
! 1378: int count;
! 1379: image_info_data *list;
! 1380: } image_info_list;
! 1381: /* }}} */
! 1382:
! 1383: /* {{{ exif_get_sectionname
! 1384: Returns the name of a section
! 1385: */
! 1386: #define SECTION_FILE 0
! 1387: #define SECTION_COMPUTED 1
! 1388: #define SECTION_ANY_TAG 2
! 1389: #define SECTION_IFD0 3
! 1390: #define SECTION_THUMBNAIL 4
! 1391: #define SECTION_COMMENT 5
! 1392: #define SECTION_APP0 6
! 1393: #define SECTION_EXIF 7
! 1394: #define SECTION_FPIX 8
! 1395: #define SECTION_GPS 9
! 1396: #define SECTION_INTEROP 10
! 1397: #define SECTION_APP12 11
! 1398: #define SECTION_WINXP 12
! 1399: #define SECTION_MAKERNOTE 13
! 1400: #define SECTION_COUNT 14
! 1401:
! 1402: #define FOUND_FILE (1<<SECTION_FILE)
! 1403: #define FOUND_COMPUTED (1<<SECTION_COMPUTED)
! 1404: #define FOUND_ANY_TAG (1<<SECTION_ANY_TAG)
! 1405: #define FOUND_IFD0 (1<<SECTION_IFD0)
! 1406: #define FOUND_THUMBNAIL (1<<SECTION_THUMBNAIL)
! 1407: #define FOUND_COMMENT (1<<SECTION_COMMENT)
! 1408: #define FOUND_APP0 (1<<SECTION_APP0)
! 1409: #define FOUND_EXIF (1<<SECTION_EXIF)
! 1410: #define FOUND_FPIX (1<<SECTION_FPIX)
! 1411: #define FOUND_GPS (1<<SECTION_GPS)
! 1412: #define FOUND_INTEROP (1<<SECTION_INTEROP)
! 1413: #define FOUND_APP12 (1<<SECTION_APP12)
! 1414: #define FOUND_WINXP (1<<SECTION_WINXP)
! 1415: #define FOUND_MAKERNOTE (1<<SECTION_MAKERNOTE)
! 1416:
! 1417: static char *exif_get_sectionname(int section)
! 1418: {
! 1419: switch(section) {
! 1420: case SECTION_FILE: return "FILE";
! 1421: case SECTION_COMPUTED: return "COMPUTED";
! 1422: case SECTION_ANY_TAG: return "ANY_TAG";
! 1423: case SECTION_IFD0: return "IFD0";
! 1424: case SECTION_THUMBNAIL: return "THUMBNAIL";
! 1425: case SECTION_COMMENT: return "COMMENT";
! 1426: case SECTION_APP0: return "APP0";
! 1427: case SECTION_EXIF: return "EXIF";
! 1428: case SECTION_FPIX: return "FPIX";
! 1429: case SECTION_GPS: return "GPS";
! 1430: case SECTION_INTEROP: return "INTEROP";
! 1431: case SECTION_APP12: return "APP12";
! 1432: case SECTION_WINXP: return "WINXP";
! 1433: case SECTION_MAKERNOTE: return "MAKERNOTE";
! 1434: }
! 1435: return "";
! 1436: }
! 1437:
! 1438: static tag_table_type exif_get_tag_table(int section)
! 1439: {
! 1440: switch(section) {
! 1441: case SECTION_FILE: return &tag_table_IFD[0];
! 1442: case SECTION_COMPUTED: return &tag_table_IFD[0];
! 1443: case SECTION_ANY_TAG: return &tag_table_IFD[0];
! 1444: case SECTION_IFD0: return &tag_table_IFD[0];
! 1445: case SECTION_THUMBNAIL: return &tag_table_IFD[0];
! 1446: case SECTION_COMMENT: return &tag_table_IFD[0];
! 1447: case SECTION_APP0: return &tag_table_IFD[0];
! 1448: case SECTION_EXIF: return &tag_table_IFD[0];
! 1449: case SECTION_FPIX: return &tag_table_IFD[0];
! 1450: case SECTION_GPS: return &tag_table_GPS[0];
! 1451: case SECTION_INTEROP: return &tag_table_IOP[0];
! 1452: case SECTION_APP12: return &tag_table_IFD[0];
! 1453: case SECTION_WINXP: return &tag_table_IFD[0];
! 1454: }
! 1455: return &tag_table_IFD[0];
! 1456: }
! 1457: /* }}} */
! 1458:
! 1459: /* {{{ exif_get_sectionlist
! 1460: Return list of sectionnames specified by sectionlist. Return value must be freed
! 1461: */
! 1462: static char *exif_get_sectionlist(int sectionlist TSRMLS_DC)
! 1463: {
! 1464: int i, len, ml = 0;
! 1465: char *sections;
! 1466:
! 1467: for(i=0; i<SECTION_COUNT; i++) {
! 1468: ml += strlen(exif_get_sectionname(i))+2;
! 1469: }
! 1470: sections = safe_emalloc(ml, 1, 1);
! 1471: sections[0] = '\0';
! 1472: len = 0;
! 1473: for(i=0; i<SECTION_COUNT; i++) {
! 1474: if (sectionlist&(1<<i)) {
! 1475: snprintf(sections+len, ml-len, "%s, ", exif_get_sectionname(i));
! 1476: len = strlen(sections);
! 1477: }
! 1478: }
! 1479: if (len>2)
! 1480: sections[len-2] = '\0';
! 1481: return sections;
! 1482: }
! 1483: /* }}} */
! 1484:
! 1485: /* {{{ struct image_info_type
! 1486: This structure stores Exif header image elements in a simple manner
! 1487: Used to store camera data as extracted from the various ways that it can be
! 1488: stored in a nexif header
! 1489: */
! 1490:
! 1491: typedef struct {
! 1492: int type;
! 1493: size_t size;
! 1494: uchar *data;
! 1495: } file_section;
! 1496:
! 1497: typedef struct {
! 1498: int count;
! 1499: file_section *list;
! 1500: } file_section_list;
! 1501:
! 1502: typedef struct {
! 1503: image_filetype filetype;
! 1504: size_t width, height;
! 1505: size_t size;
! 1506: size_t offset;
! 1507: char *data;
! 1508: } thumbnail_data;
! 1509:
! 1510: typedef struct {
! 1511: char *value;
! 1512: size_t size;
! 1513: int tag;
! 1514: } xp_field_type;
! 1515:
! 1516: typedef struct {
! 1517: int count;
! 1518: xp_field_type *list;
! 1519: } xp_field_list;
! 1520:
! 1521: /* This structure is used to store a section of a Jpeg file. */
! 1522: typedef struct {
! 1523: php_stream *infile;
! 1524: char *FileName;
! 1525: time_t FileDateTime;
! 1526: size_t FileSize;
! 1527: image_filetype FileType;
! 1528: int Height, Width;
! 1529: int IsColor;
! 1530:
! 1531: char *make;
! 1532: char *model;
! 1533:
! 1534: float ApertureFNumber;
! 1535: float ExposureTime;
! 1536: double FocalplaneUnits;
! 1537: float CCDWidth;
! 1538: double FocalplaneXRes;
! 1539: size_t ExifImageWidth;
! 1540: float FocalLength;
! 1541: float Distance;
! 1542:
! 1543: int motorola_intel; /* 1 Motorola; 0 Intel */
! 1544:
! 1545: char *UserComment;
! 1546: int UserCommentLength;
! 1547: char *UserCommentEncoding;
! 1548: char *encode_unicode;
! 1549: char *decode_unicode_be;
! 1550: char *decode_unicode_le;
! 1551: char *encode_jis;
! 1552: char *decode_jis_be;
! 1553: char *decode_jis_le;
! 1554: char *Copyright;/* EXIF standard defines Copyright as "<Photographer> [ '\0' <Editor> ] ['\0']" */
! 1555: char *CopyrightPhotographer;
! 1556: char *CopyrightEditor;
! 1557:
! 1558: xp_field_list xp_fields;
! 1559:
! 1560: thumbnail_data Thumbnail;
! 1561: /* other */
! 1562: int sections_found; /* FOUND_<marker> */
! 1563: image_info_list info_list[SECTION_COUNT];
! 1564: /* for parsing */
! 1565: int read_thumbnail;
! 1566: int read_all;
! 1567: int ifd_nesting_level;
! 1568: /* internal */
! 1569: file_section_list file;
! 1570: } image_info_type;
! 1571: /* }}} */
! 1572:
! 1573: /* {{{ exif_error_docref */
! 1574: static void exif_error_docref(const char *docref EXIFERR_DC, const image_info_type *ImageInfo, int type, const char *format, ...)
! 1575: {
! 1576: va_list args;
! 1577:
! 1578: va_start(args, format);
! 1579: #ifdef EXIF_DEBUG
! 1580: {
! 1581: char *buf;
! 1582:
! 1583: spprintf(&buf, 0, "%s(%d): %s", _file, _line, format);
! 1584: php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, buf, args TSRMLS_CC);
! 1585: efree(buf);
! 1586: }
! 1587: #else
! 1588: php_verror(docref, ImageInfo->FileName?ImageInfo->FileName:"", type, format, args TSRMLS_CC);
! 1589: #endif
! 1590: va_end(args);
! 1591: }
! 1592: /* }}} */
! 1593:
! 1594: /* {{{ jpeg_sof_info
! 1595: */
! 1596: typedef struct {
! 1597: int bits_per_sample;
! 1598: size_t width;
! 1599: size_t height;
! 1600: int num_components;
! 1601: } jpeg_sof_info;
! 1602: /* }}} */
! 1603:
! 1604: /* {{{ exif_file_sections_add
! 1605: Add a file_section to image_info
! 1606: returns the used block or -1. if size>0 and data == NULL buffer of size is allocated
! 1607: */
! 1608: static int exif_file_sections_add(image_info_type *ImageInfo, int type, size_t size, uchar *data)
! 1609: {
! 1610: file_section *tmp;
! 1611: int count = ImageInfo->file.count;
! 1612:
! 1613: tmp = safe_erealloc(ImageInfo->file.list, (count+1), sizeof(file_section), 0);
! 1614: ImageInfo->file.list = tmp;
! 1615: ImageInfo->file.list[count].type = 0xFFFF;
! 1616: ImageInfo->file.list[count].data = NULL;
! 1617: ImageInfo->file.list[count].size = 0;
! 1618: ImageInfo->file.count = count+1;
! 1619: if (!size) {
! 1620: data = NULL;
! 1621: } else if (data == NULL) {
! 1622: data = safe_emalloc(size, 1, 0);
! 1623: }
! 1624: ImageInfo->file.list[count].type = type;
! 1625: ImageInfo->file.list[count].data = data;
! 1626: ImageInfo->file.list[count].size = size;
! 1627: return count;
! 1628: }
! 1629: /* }}} */
! 1630:
! 1631: /* {{{ exif_file_sections_realloc
! 1632: Reallocate a file section returns 0 on success and -1 on failure
! 1633: */
! 1634: static int exif_file_sections_realloc(image_info_type *ImageInfo, int section_index, size_t size TSRMLS_DC)
! 1635: {
! 1636: void *tmp;
! 1637:
! 1638: /* This is not a malloc/realloc check. It is a plausibility check for the
! 1639: * function parameters (requirements engineering).
! 1640: */
! 1641: if (section_index >= ImageInfo->file.count) {
! 1642: EXIF_ERRLOG_FSREALLOC(ImageInfo)
! 1643: return -1;
! 1644: }
! 1645: tmp = safe_erealloc(ImageInfo->file.list[section_index].data, 1, size, 0);
! 1646: ImageInfo->file.list[section_index].data = tmp;
! 1647: ImageInfo->file.list[section_index].size = size;
! 1648: return 0;
! 1649: }
! 1650: /* }}} */
! 1651:
! 1652: /* {{{ exif_file_section_free
! 1653: Discard all file_sections in ImageInfo
! 1654: */
! 1655: static int exif_file_sections_free(image_info_type *ImageInfo)
! 1656: {
! 1657: int i;
! 1658:
! 1659: if (ImageInfo->file.count) {
! 1660: for (i=0; i<ImageInfo->file.count; i++) {
! 1661: EFREE_IF(ImageInfo->file.list[i].data);
! 1662: }
! 1663: }
! 1664: EFREE_IF(ImageInfo->file.list);
! 1665: ImageInfo->file.count = 0;
! 1666: return TRUE;
! 1667: }
! 1668: /* }}} */
! 1669:
! 1670: /* {{{ exif_iif_add_value
! 1671: Add a value to image_info
! 1672: */
! 1673: static void exif_iif_add_value(image_info_type *image_info, int section_index, char *name, int tag, int format, int length, void* value, int motorola_intel TSRMLS_DC)
! 1674: {
! 1675: size_t idex;
! 1676: void *vptr;
! 1677: image_info_value *info_value;
! 1678: image_info_data *info_data;
! 1679: image_info_data *list;
! 1680:
! 1681: if (length < 0) {
! 1682: return;
! 1683: }
! 1684:
! 1685: list = safe_erealloc(image_info->info_list[section_index].list, (image_info->info_list[section_index].count+1), sizeof(image_info_data), 0);
! 1686: image_info->info_list[section_index].list = list;
! 1687:
! 1688: info_data = &image_info->info_list[section_index].list[image_info->info_list[section_index].count];
! 1689: memset(info_data, 0, sizeof(image_info_data));
! 1690: info_data->tag = tag;
! 1691: info_data->format = format;
! 1692: info_data->length = length;
! 1693: info_data->name = estrdup(name);
! 1694: info_value = &info_data->value;
! 1695:
! 1696: switch (format) {
! 1697: case TAG_FMT_STRING:
! 1698: if (value) {
! 1699: length = php_strnlen(value, length);
! 1700: if (PG(magic_quotes_runtime)) {
! 1701: info_value->s = php_addslashes(value, length, &length, 0 TSRMLS_CC);
! 1702: } else {
! 1703: info_value->s = estrndup(value, length);
! 1704: }
! 1705: info_data->length = length;
! 1706: } else {
! 1707: info_data->length = 0;
! 1708: info_value->s = estrdup("");
! 1709: }
! 1710: break;
! 1711:
! 1712: default:
! 1713: /* Standard says more types possible but skip them...
! 1714: * but allow users to handle data if they know how to
! 1715: * So not return but use type UNDEFINED
! 1716: * return;
! 1717: */
! 1718: info_data->tag = TAG_FMT_UNDEFINED;/* otherwise not freed from memory */
! 1719: case TAG_FMT_SBYTE:
! 1720: case TAG_FMT_BYTE:
! 1721: /* in contrast to strings bytes do not need to allocate buffer for NULL if length==0 */
! 1722: if (!length)
! 1723: break;
! 1724: case TAG_FMT_UNDEFINED:
! 1725: if (value) {
! 1726: /* do not recompute length here */
! 1727: if (PG(magic_quotes_runtime)) {
! 1728: info_value->s = php_addslashes(value, length, &length, 0 TSRMLS_CC);
! 1729: } else {
! 1730: info_value->s = estrndup(value, length);
! 1731: }
! 1732: info_data->length = length;
! 1733: } else {
! 1734: info_data->length = 0;
! 1735: info_value->s = estrdup("");
! 1736: }
! 1737: break;
! 1738:
! 1739: case TAG_FMT_USHORT:
! 1740: case TAG_FMT_ULONG:
! 1741: case TAG_FMT_URATIONAL:
! 1742: case TAG_FMT_SSHORT:
! 1743: case TAG_FMT_SLONG:
! 1744: case TAG_FMT_SRATIONAL:
! 1745: case TAG_FMT_SINGLE:
! 1746: case TAG_FMT_DOUBLE:
! 1747: if (length==0) {
! 1748: break;
! 1749: } else
! 1750: if (length>1) {
! 1751: info_value->list = safe_emalloc(length, sizeof(image_info_value), 0);
! 1752: } else {
! 1753: info_value = &info_data->value;
! 1754: }
! 1755: for (idex=0,vptr=value; idex<(size_t)length; idex++,vptr=(char *) vptr + php_tiff_bytes_per_format[format]) {
! 1756: if (length>1) {
! 1757: info_value = &info_data->value.list[idex];
! 1758: }
! 1759: switch (format) {
! 1760: case TAG_FMT_USHORT:
! 1761: info_value->u = php_ifd_get16u(vptr, motorola_intel);
! 1762: break;
! 1763:
! 1764: case TAG_FMT_ULONG:
! 1765: info_value->u = php_ifd_get32u(vptr, motorola_intel);
! 1766: break;
! 1767:
! 1768: case TAG_FMT_URATIONAL:
! 1769: info_value->ur.num = php_ifd_get32u(vptr, motorola_intel);
! 1770: info_value->ur.den = php_ifd_get32u(4+(char *)vptr, motorola_intel);
! 1771: break;
! 1772:
! 1773: case TAG_FMT_SSHORT:
! 1774: info_value->i = php_ifd_get16s(vptr, motorola_intel);
! 1775: break;
! 1776:
! 1777: case TAG_FMT_SLONG:
! 1778: info_value->i = php_ifd_get32s(vptr, motorola_intel);
! 1779: break;
! 1780:
! 1781: case TAG_FMT_SRATIONAL:
! 1782: info_value->sr.num = php_ifd_get32u(vptr, motorola_intel);
! 1783: info_value->sr.den = php_ifd_get32u(4+(char *)vptr, motorola_intel);
! 1784: break;
! 1785:
! 1786: case TAG_FMT_SINGLE:
! 1787: #ifdef EXIF_DEBUG
! 1788: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Found value of type single");
! 1789: #endif
! 1790: info_value->f = *(float *)value;
! 1791:
! 1792: case TAG_FMT_DOUBLE:
! 1793: #ifdef EXIF_DEBUG
! 1794: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Found value of type double");
! 1795: #endif
! 1796: info_value->d = *(double *)value;
! 1797: break;
! 1798: }
! 1799: }
! 1800: }
! 1801: image_info->sections_found |= 1<<section_index;
! 1802: image_info->info_list[section_index].count++;
! 1803: }
! 1804: /* }}} */
! 1805:
! 1806: /* {{{ exif_iif_add_tag
! 1807: Add a tag from IFD to image_info
! 1808: */
! 1809: static void exif_iif_add_tag(image_info_type *image_info, int section_index, char *name, int tag, int format, size_t length, void* value TSRMLS_DC)
! 1810: {
! 1811: exif_iif_add_value(image_info, section_index, name, tag, format, (int)length, value, image_info->motorola_intel TSRMLS_CC);
! 1812: }
! 1813: /* }}} */
! 1814:
! 1815: /* {{{ exif_iif_add_int
! 1816: Add an int value to image_info
! 1817: */
! 1818: static void exif_iif_add_int(image_info_type *image_info, int section_index, char *name, int value TSRMLS_DC)
! 1819: {
! 1820: image_info_data *info_data;
! 1821: image_info_data *list;
! 1822:
! 1823: list = safe_erealloc(image_info->info_list[section_index].list, (image_info->info_list[section_index].count+1), sizeof(image_info_data), 0);
! 1824: image_info->info_list[section_index].list = list;
! 1825:
! 1826: info_data = &image_info->info_list[section_index].list[image_info->info_list[section_index].count];
! 1827: info_data->tag = TAG_NONE;
! 1828: info_data->format = TAG_FMT_SLONG;
! 1829: info_data->length = 1;
! 1830: info_data->name = estrdup(name);
! 1831: info_data->value.i = value;
! 1832: image_info->sections_found |= 1<<section_index;
! 1833: image_info->info_list[section_index].count++;
! 1834: }
! 1835: /* }}} */
! 1836:
! 1837: /* {{{ exif_iif_add_str
! 1838: Add a string value to image_info MUST BE NUL TERMINATED
! 1839: */
! 1840: static void exif_iif_add_str(image_info_type *image_info, int section_index, char *name, char *value TSRMLS_DC)
! 1841: {
! 1842: image_info_data *info_data;
! 1843: image_info_data *list;
! 1844:
! 1845: if (value) {
! 1846: list = safe_erealloc(image_info->info_list[section_index].list, (image_info->info_list[section_index].count+1), sizeof(image_info_data), 0);
! 1847: image_info->info_list[section_index].list = list;
! 1848: info_data = &image_info->info_list[section_index].list[image_info->info_list[section_index].count];
! 1849: info_data->tag = TAG_NONE;
! 1850: info_data->format = TAG_FMT_STRING;
! 1851: info_data->length = 1;
! 1852: info_data->name = estrdup(name);
! 1853: if (PG(magic_quotes_runtime)) {
! 1854: info_data->value.s = php_addslashes(value, strlen(value), NULL, 0 TSRMLS_CC);
! 1855: } else {
! 1856: info_data->value.s = estrdup(value);
! 1857: }
! 1858: image_info->sections_found |= 1<<section_index;
! 1859: image_info->info_list[section_index].count++;
! 1860: }
! 1861: }
! 1862: /* }}} */
! 1863:
! 1864: /* {{{ exif_iif_add_fmt
! 1865: Add a format string value to image_info MUST BE NUL TERMINATED
! 1866: */
! 1867: static void exif_iif_add_fmt(image_info_type *image_info, int section_index, char *name TSRMLS_DC, char *value, ...)
! 1868: {
! 1869: char *tmp;
! 1870: va_list arglist;
! 1871:
! 1872: va_start(arglist, value);
! 1873: if (value) {
! 1874: vspprintf(&tmp, 0, value, arglist);
! 1875: exif_iif_add_str(image_info, section_index, name, tmp TSRMLS_CC);
! 1876: efree(tmp);
! 1877: }
! 1878: va_end(arglist);
! 1879: }
! 1880: /* }}} */
! 1881:
! 1882: /* {{{ exif_iif_add_str
! 1883: Add a string value to image_info MUST BE NUL TERMINATED
! 1884: */
! 1885: static void exif_iif_add_buffer(image_info_type *image_info, int section_index, char *name, int length, char *value TSRMLS_DC)
! 1886: {
! 1887: image_info_data *info_data;
! 1888: image_info_data *list;
! 1889:
! 1890: if (value) {
! 1891: list = safe_erealloc(image_info->info_list[section_index].list, (image_info->info_list[section_index].count+1), sizeof(image_info_data), 0);
! 1892: image_info->info_list[section_index].list = list;
! 1893: info_data = &image_info->info_list[section_index].list[image_info->info_list[section_index].count];
! 1894: info_data->tag = TAG_NONE;
! 1895: info_data->format = TAG_FMT_UNDEFINED;
! 1896: info_data->length = length;
! 1897: info_data->name = estrdup(name);
! 1898: if (PG(magic_quotes_runtime)) {
! 1899: #ifdef EXIF_DEBUG
! 1900: exif_error_docref(NULL EXIFERR_CC, image_info, E_NOTICE, "Adding %s as buffer%s", name, exif_char_dump(value, length, 0));
! 1901: #endif
! 1902: info_data->value.s = php_addslashes(value, length, &length, 0 TSRMLS_CC);
! 1903: info_data->length = length;
! 1904: } else {
! 1905: info_data->value.s = safe_emalloc(length, 1, 1);
! 1906: memcpy(info_data->value.s, value, length);
! 1907: info_data->value.s[length] = 0;
! 1908: }
! 1909: image_info->sections_found |= 1<<section_index;
! 1910: image_info->info_list[section_index].count++;
! 1911: }
! 1912: }
! 1913: /* }}} */
! 1914:
! 1915: /* {{{ exif_iif_free
! 1916: Free memory allocated for image_info
! 1917: */
! 1918: static void exif_iif_free(image_info_type *image_info, int section_index) {
! 1919: int i;
! 1920: void *f; /* faster */
! 1921:
! 1922: if (image_info->info_list[section_index].count) {
! 1923: for (i=0; i < image_info->info_list[section_index].count; i++) {
! 1924: if ((f=image_info->info_list[section_index].list[i].name) != NULL) {
! 1925: efree(f);
! 1926: }
! 1927: switch(image_info->info_list[section_index].list[i].format) {
! 1928: case TAG_FMT_SBYTE:
! 1929: case TAG_FMT_BYTE:
! 1930: /* in contrast to strings bytes do not need to allocate buffer for NULL if length==0 */
! 1931: if (image_info->info_list[section_index].list[i].length<1)
! 1932: break;
! 1933: default:
! 1934: case TAG_FMT_UNDEFINED:
! 1935: case TAG_FMT_STRING:
! 1936: if ((f=image_info->info_list[section_index].list[i].value.s) != NULL) {
! 1937: efree(f);
! 1938: }
! 1939: break;
! 1940:
! 1941: case TAG_FMT_USHORT:
! 1942: case TAG_FMT_ULONG:
! 1943: case TAG_FMT_URATIONAL:
! 1944: case TAG_FMT_SSHORT:
! 1945: case TAG_FMT_SLONG:
! 1946: case TAG_FMT_SRATIONAL:
! 1947: case TAG_FMT_SINGLE:
! 1948: case TAG_FMT_DOUBLE:
! 1949: /* nothing to do here */
! 1950: if (image_info->info_list[section_index].list[i].length > 1) {
! 1951: if ((f=image_info->info_list[section_index].list[i].value.list) != NULL) {
! 1952: efree(f);
! 1953: }
! 1954: }
! 1955: break;
! 1956: }
! 1957: }
! 1958: }
! 1959: EFREE_IF(image_info->info_list[section_index].list);
! 1960: }
! 1961: /* }}} */
! 1962:
! 1963: /* {{{ add_assoc_image_info
! 1964: * Add image_info to associative array value. */
! 1965: static void add_assoc_image_info(zval *value, int sub_array, image_info_type *image_info, int section_index TSRMLS_DC)
! 1966: {
! 1967: char buffer[64], *val, *name, uname[64];
! 1968: int i, ap, l, b, idx=0, unknown=0;
! 1969: #ifdef EXIF_DEBUG
! 1970: int info_tag;
! 1971: #endif
! 1972: image_info_value *info_value;
! 1973: image_info_data *info_data;
! 1974: zval *tmpi, *array = NULL;
! 1975:
! 1976: #ifdef EXIF_DEBUG
! 1977: /* php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Adding %d infos from section %s", image_info->info_list[section_index].count, exif_get_sectionname(section_index));*/
! 1978: #endif
! 1979: if (image_info->info_list[section_index].count) {
! 1980: if (sub_array) {
! 1981: MAKE_STD_ZVAL(tmpi);
! 1982: array_init(tmpi);
! 1983: } else {
! 1984: tmpi = value;
! 1985: }
! 1986:
! 1987: for(i=0; i<image_info->info_list[section_index].count; i++) {
! 1988: info_data = &image_info->info_list[section_index].list[i];
! 1989: #ifdef EXIF_DEBUG
! 1990: info_tag = info_data->tag; /* conversion */
! 1991: #endif
! 1992: info_value = &info_data->value;
! 1993: if (!(name = info_data->name)) {
! 1994: snprintf(uname, sizeof(uname), "%d", unknown++);
! 1995: name = uname;
! 1996: }
! 1997: #ifdef EXIF_DEBUG
! 1998: /* php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Adding infos: tag(0x%04X,%12s,L=0x%04X): %s", info_tag, exif_get_tagname(info_tag, buffer, -12, exif_get_tag_table(section_index) TSRMLS_CC), info_data->length, info_data->format==TAG_FMT_STRING?(info_value&&info_value->s?info_value->s:"<no data>"):exif_get_tagformat(info_data->format));*/
! 1999: #endif
! 2000: if (info_data->length==0) {
! 2001: add_assoc_null(tmpi, name);
! 2002: } else {
! 2003: switch (info_data->format) {
! 2004: default:
! 2005: /* Standard says more types possible but skip them...
! 2006: * but allow users to handle data if they know how to
! 2007: * So not return but use type UNDEFINED
! 2008: * return;
! 2009: */
! 2010: case TAG_FMT_BYTE:
! 2011: case TAG_FMT_SBYTE:
! 2012: case TAG_FMT_UNDEFINED:
! 2013: if (!info_value->s) {
! 2014: add_assoc_stringl(tmpi, name, "", 0, 1);
! 2015: } else {
! 2016: add_assoc_stringl(tmpi, name, info_value->s, info_data->length, 1);
! 2017: }
! 2018: break;
! 2019:
! 2020: case TAG_FMT_STRING:
! 2021: if (!(val = info_value->s)) {
! 2022: val = "";
! 2023: }
! 2024: if (section_index==SECTION_COMMENT) {
! 2025: add_index_string(tmpi, idx++, val, 1);
! 2026: } else {
! 2027: add_assoc_string(tmpi, name, val, 1);
! 2028: }
! 2029: break;
! 2030:
! 2031: case TAG_FMT_URATIONAL:
! 2032: case TAG_FMT_SRATIONAL:
! 2033: /*case TAG_FMT_BYTE:
! 2034: case TAG_FMT_SBYTE:*/
! 2035: case TAG_FMT_USHORT:
! 2036: case TAG_FMT_SSHORT:
! 2037: case TAG_FMT_SINGLE:
! 2038: case TAG_FMT_DOUBLE:
! 2039: case TAG_FMT_ULONG:
! 2040: case TAG_FMT_SLONG:
! 2041: /* now the rest, first see if it becomes an array */
! 2042: if ((l = info_data->length) > 1) {
! 2043: array = NULL;
! 2044: MAKE_STD_ZVAL(array);
! 2045: array_init(array);
! 2046: }
! 2047: for(ap=0; ap<l; ap++) {
! 2048: if (l>1) {
! 2049: info_value = &info_data->value.list[ap];
! 2050: }
! 2051: switch (info_data->format) {
! 2052: case TAG_FMT_BYTE:
! 2053: if (l>1) {
! 2054: info_value = &info_data->value;
! 2055: for (b=0;b<l;b++) {
! 2056: add_index_long(array, b, (int)(info_value->s[b]));
! 2057: }
! 2058: break;
! 2059: }
! 2060: case TAG_FMT_USHORT:
! 2061: case TAG_FMT_ULONG:
! 2062: if (l==1) {
! 2063: add_assoc_long(tmpi, name, (int)info_value->u);
! 2064: } else {
! 2065: add_index_long(array, ap, (int)info_value->u);
! 2066: }
! 2067: break;
! 2068:
! 2069: case TAG_FMT_URATIONAL:
! 2070: snprintf(buffer, sizeof(buffer), "%i/%i", info_value->ur.num, info_value->ur.den);
! 2071: if (l==1) {
! 2072: add_assoc_string(tmpi, name, buffer, 1);
! 2073: } else {
! 2074: add_index_string(array, ap, buffer, 1);
! 2075: }
! 2076: break;
! 2077:
! 2078: case TAG_FMT_SBYTE:
! 2079: if (l>1) {
! 2080: info_value = &info_data->value;
! 2081: for (b=0;b<l;b++) {
! 2082: add_index_long(array, ap, (int)info_value->s[b]);
! 2083: }
! 2084: break;
! 2085: }
! 2086: case TAG_FMT_SSHORT:
! 2087: case TAG_FMT_SLONG:
! 2088: if (l==1) {
! 2089: add_assoc_long(tmpi, name, info_value->i);
! 2090: } else {
! 2091: add_index_long(array, ap, info_value->i);
! 2092: }
! 2093: break;
! 2094:
! 2095: case TAG_FMT_SRATIONAL:
! 2096: snprintf(buffer, sizeof(buffer), "%i/%i", info_value->sr.num, info_value->sr.den);
! 2097: if (l==1) {
! 2098: add_assoc_string(tmpi, name, buffer, 1);
! 2099: } else {
! 2100: add_index_string(array, ap, buffer, 1);
! 2101: }
! 2102: break;
! 2103:
! 2104: case TAG_FMT_SINGLE:
! 2105: if (l==1) {
! 2106: add_assoc_double(tmpi, name, info_value->f);
! 2107: } else {
! 2108: add_index_double(array, ap, info_value->f);
! 2109: }
! 2110: break;
! 2111:
! 2112: case TAG_FMT_DOUBLE:
! 2113: if (l==1) {
! 2114: add_assoc_double(tmpi, name, info_value->d);
! 2115: } else {
! 2116: add_index_double(array, ap, info_value->d);
! 2117: }
! 2118: break;
! 2119: }
! 2120: info_value = &info_data->value.list[ap];
! 2121: }
! 2122: if (l>1) {
! 2123: add_assoc_zval(tmpi, name, array);
! 2124: }
! 2125: break;
! 2126: }
! 2127: }
! 2128: }
! 2129: if (sub_array) {
! 2130: add_assoc_zval(value, exif_get_sectionname(section_index), tmpi);
! 2131: }
! 2132: }
! 2133: }
! 2134: /* }}} */
! 2135:
! 2136: /* {{{ Markers
! 2137: JPEG markers consist of one or more 0xFF bytes, followed by a marker
! 2138: code byte (which is not an FF). Here are the marker codes of interest
! 2139: in this program. (See jdmarker.c for a more complete list.)
! 2140: */
! 2141:
! 2142: #define M_TEM 0x01 /* temp for arithmetic coding */
! 2143: #define M_RES 0x02 /* reserved */
! 2144: #define M_SOF0 0xC0 /* Start Of Frame N */
! 2145: #define M_SOF1 0xC1 /* N indicates which compression process */
! 2146: #define M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */
! 2147: #define M_SOF3 0xC3
! 2148: #define M_DHT 0xC4
! 2149: #define M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */
! 2150: #define M_SOF6 0xC6
! 2151: #define M_SOF7 0xC7
! 2152: #define M_JPEG 0x08 /* reserved for extensions */
! 2153: #define M_SOF9 0xC9
! 2154: #define M_SOF10 0xCA
! 2155: #define M_SOF11 0xCB
! 2156: #define M_DAC 0xCC /* arithmetic table */
! 2157: #define M_SOF13 0xCD
! 2158: #define M_SOF14 0xCE
! 2159: #define M_SOF15 0xCF
! 2160: #define M_RST0 0xD0 /* restart segment */
! 2161: #define M_RST1 0xD1
! 2162: #define M_RST2 0xD2
! 2163: #define M_RST3 0xD3
! 2164: #define M_RST4 0xD4
! 2165: #define M_RST5 0xD5
! 2166: #define M_RST6 0xD6
! 2167: #define M_RST7 0xD7
! 2168: #define M_SOI 0xD8 /* Start Of Image (beginning of datastream) */
! 2169: #define M_EOI 0xD9 /* End Of Image (end of datastream) */
! 2170: #define M_SOS 0xDA /* Start Of Scan (begins compressed data) */
! 2171: #define M_DQT 0xDB
! 2172: #define M_DNL 0xDC
! 2173: #define M_DRI 0xDD
! 2174: #define M_DHP 0xDE
! 2175: #define M_EXP 0xDF
! 2176: #define M_APP0 0xE0 /* JPEG: 'JFIFF' AND (additional 'JFXX') */
! 2177: #define M_EXIF 0xE1 /* Exif Attribute Information */
! 2178: #define M_APP2 0xE2 /* Flash Pix Extension Data? */
! 2179: #define M_APP3 0xE3
! 2180: #define M_APP4 0xE4
! 2181: #define M_APP5 0xE5
! 2182: #define M_APP6 0xE6
! 2183: #define M_APP7 0xE7
! 2184: #define M_APP8 0xE8
! 2185: #define M_APP9 0xE9
! 2186: #define M_APP10 0xEA
! 2187: #define M_APP11 0xEB
! 2188: #define M_APP12 0xEC
! 2189: #define M_APP13 0xED /* IPTC International Press Telecommunications Council */
! 2190: #define M_APP14 0xEE /* Software, Copyright? */
! 2191: #define M_APP15 0xEF
! 2192: #define M_JPG0 0xF0
! 2193: #define M_JPG1 0xF1
! 2194: #define M_JPG2 0xF2
! 2195: #define M_JPG3 0xF3
! 2196: #define M_JPG4 0xF4
! 2197: #define M_JPG5 0xF5
! 2198: #define M_JPG6 0xF6
! 2199: #define M_JPG7 0xF7
! 2200: #define M_JPG8 0xF8
! 2201: #define M_JPG9 0xF9
! 2202: #define M_JPG10 0xFA
! 2203: #define M_JPG11 0xFB
! 2204: #define M_JPG12 0xFC
! 2205: #define M_JPG13 0xFD
! 2206: #define M_COM 0xFE /* COMment */
! 2207:
! 2208: #define M_PSEUDO 0x123 /* Extra value. */
! 2209:
! 2210: /* }}} */
! 2211:
! 2212: /* {{{ jpeg2000 markers
! 2213: */
! 2214: /* Markers x30 - x3F do not have a segment */
! 2215: /* Markers x00, x01, xFE, xC0 - xDF ISO/IEC 10918-1 -> M_<xx> */
! 2216: /* Markers xF0 - xF7 ISO/IEC 10918-3 */
! 2217: /* Markers xF7 - xF8 ISO/IEC 14495-1 */
! 2218: /* XY=Main/Tile-header:(R:required, N:not_allowed, O:optional, L:last_marker) */
! 2219: #define JC_SOC 0x4F /* NN, Start of codestream */
! 2220: #define JC_SIZ 0x51 /* RN, Image and tile size */
! 2221: #define JC_COD 0x52 /* RO, Codeing style defaulte */
! 2222: #define JC_COC 0x53 /* OO, Coding style component */
! 2223: #define JC_TLM 0x55 /* ON, Tile part length main header */
! 2224: #define JC_PLM 0x57 /* ON, Packet length main header */
! 2225: #define JC_PLT 0x58 /* NO, Packet length tile part header */
! 2226: #define JC_QCD 0x5C /* RO, Quantization default */
! 2227: #define JC_QCC 0x5D /* OO, Quantization component */
! 2228: #define JC_RGN 0x5E /* OO, Region of interest */
! 2229: #define JC_POD 0x5F /* OO, Progression order default */
! 2230: #define JC_PPM 0x60 /* ON, Packed packet headers main header */
! 2231: #define JC_PPT 0x61 /* NO, Packet packet headers tile part header */
! 2232: #define JC_CME 0x64 /* OO, Comment: "LL E <text>" E=0:binary, E=1:ascii */
! 2233: #define JC_SOT 0x90 /* NR, Start of tile */
! 2234: #define JC_SOP 0x91 /* NO, Start of packeter default */
! 2235: #define JC_EPH 0x92 /* NO, End of packet header */
! 2236: #define JC_SOD 0x93 /* NL, Start of data */
! 2237: #define JC_EOC 0xD9 /* NN, End of codestream */
! 2238: /* }}} */
! 2239:
! 2240: /* {{{ exif_process_COM
! 2241: Process a COM marker.
! 2242: We want to print out the marker contents as legible text;
! 2243: we must guard against random junk and varying newline representations.
! 2244: */
! 2245: static void exif_process_COM (image_info_type *image_info, char *value, size_t length TSRMLS_DC)
! 2246: {
! 2247: exif_iif_add_tag(image_info, SECTION_COMMENT, "Comment", TAG_COMPUTED_VALUE, TAG_FMT_STRING, length-2, value+2 TSRMLS_CC);
! 2248: }
! 2249: /* }}} */
! 2250:
! 2251: /* {{{ exif_process_CME
! 2252: Process a CME marker.
! 2253: We want to print out the marker contents as legible text;
! 2254: we must guard against random junk and varying newline representations.
! 2255: */
! 2256: #ifdef EXIF_JPEG2000
! 2257: static void exif_process_CME (image_info_type *image_info, char *value, size_t length TSRMLS_DC)
! 2258: {
! 2259: if (length>3) {
! 2260: switch(value[2]) {
! 2261: case 0:
! 2262: exif_iif_add_tag(image_info, SECTION_COMMENT, "Comment", TAG_COMPUTED_VALUE, TAG_FMT_UNDEFINED, length, value TSRMLS_CC);
! 2263: break;
! 2264: case 1:
! 2265: exif_iif_add_tag(image_info, SECTION_COMMENT, "Comment", TAG_COMPUTED_VALUE, TAG_FMT_STRING, length, value);
! 2266: break;
! 2267: default:
! 2268: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Undefined JPEG2000 comment encoding");
! 2269: break;
! 2270: }
! 2271: } else {
! 2272: exif_iif_add_tag(image_info, SECTION_COMMENT, "Comment", TAG_COMPUTED_VALUE, TAG_FMT_UNDEFINED, 0, NULL);
! 2273: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "JPEG2000 comment section too small");
! 2274: }
! 2275: }
! 2276: #endif
! 2277: /* }}} */
! 2278:
! 2279: /* {{{ exif_process_SOFn
! 2280: * Process a SOFn marker. This is useful for the image dimensions */
! 2281: static void exif_process_SOFn (uchar *Data, int marker, jpeg_sof_info *result)
! 2282: {
! 2283: /* 0xFF SOSn SectLen(2) Bits(1) Height(2) Width(2) Channels(1) 3*Channels (1) */
! 2284: result->bits_per_sample = Data[2];
! 2285: result->height = php_jpg_get16(Data+3);
! 2286: result->width = php_jpg_get16(Data+5);
! 2287: result->num_components = Data[7];
! 2288:
! 2289: /* switch (marker) {
! 2290: case M_SOF0: process = "Baseline"; break;
! 2291: case M_SOF1: process = "Extended sequential"; break;
! 2292: case M_SOF2: process = "Progressive"; break;
! 2293: case M_SOF3: process = "Lossless"; break;
! 2294: case M_SOF5: process = "Differential sequential"; break;
! 2295: case M_SOF6: process = "Differential progressive"; break;
! 2296: case M_SOF7: process = "Differential lossless"; break;
! 2297: case M_SOF9: process = "Extended sequential, arithmetic coding"; break;
! 2298: case M_SOF10: process = "Progressive, arithmetic coding"; break;
! 2299: case M_SOF11: process = "Lossless, arithmetic coding"; break;
! 2300: case M_SOF13: process = "Differential sequential, arithmetic coding"; break;
! 2301: case M_SOF14: process = "Differential progressive, arithmetic coding"; break;
! 2302: case M_SOF15: process = "Differential lossless, arithmetic coding"; break;
! 2303: default: process = "Unknown"; break;
! 2304: }*/
! 2305: }
! 2306: /* }}} */
! 2307:
! 2308: /* forward declarations */
! 2309: static int exif_process_IFD_in_JPEG(image_info_type *ImageInfo, char *dir_start, char *offset_base, size_t IFDlength, size_t displacement, int section_index TSRMLS_DC);
! 2310: static int exif_process_IFD_TAG( image_info_type *ImageInfo, char *dir_entry, char *offset_base, size_t IFDlength, size_t displacement, int section_index, int ReadNextIFD, tag_table_type tag_table TSRMLS_DC);
! 2311:
! 2312: /* {{{ exif_get_markername
! 2313: Get name of marker */
! 2314: #ifdef EXIF_DEBUG
! 2315: static char * exif_get_markername(int marker)
! 2316: {
! 2317: switch(marker) {
! 2318: case 0xC0: return "SOF0";
! 2319: case 0xC1: return "SOF1";
! 2320: case 0xC2: return "SOF2";
! 2321: case 0xC3: return "SOF3";
! 2322: case 0xC4: return "DHT";
! 2323: case 0xC5: return "SOF5";
! 2324: case 0xC6: return "SOF6";
! 2325: case 0xC7: return "SOF7";
! 2326: case 0xC9: return "SOF9";
! 2327: case 0xCA: return "SOF10";
! 2328: case 0xCB: return "SOF11";
! 2329: case 0xCD: return "SOF13";
! 2330: case 0xCE: return "SOF14";
! 2331: case 0xCF: return "SOF15";
! 2332: case 0xD8: return "SOI";
! 2333: case 0xD9: return "EOI";
! 2334: case 0xDA: return "SOS";
! 2335: case 0xDB: return "DQT";
! 2336: case 0xDC: return "DNL";
! 2337: case 0xDD: return "DRI";
! 2338: case 0xDE: return "DHP";
! 2339: case 0xDF: return "EXP";
! 2340: case 0xE0: return "APP0";
! 2341: case 0xE1: return "EXIF";
! 2342: case 0xE2: return "FPIX";
! 2343: case 0xE3: return "APP3";
! 2344: case 0xE4: return "APP4";
! 2345: case 0xE5: return "APP5";
! 2346: case 0xE6: return "APP6";
! 2347: case 0xE7: return "APP7";
! 2348: case 0xE8: return "APP8";
! 2349: case 0xE9: return "APP9";
! 2350: case 0xEA: return "APP10";
! 2351: case 0xEB: return "APP11";
! 2352: case 0xEC: return "APP12";
! 2353: case 0xED: return "APP13";
! 2354: case 0xEE: return "APP14";
! 2355: case 0xEF: return "APP15";
! 2356: case 0xF0: return "JPG0";
! 2357: case 0xFD: return "JPG13";
! 2358: case 0xFE: return "COM";
! 2359: case 0x01: return "TEM";
! 2360: }
! 2361: return "Unknown";
! 2362: }
! 2363: #endif
! 2364: /* }}} */
! 2365:
! 2366: /* {{{ proto string exif_tagname(index)
! 2367: Get headername for index or false if not defined */
! 2368: PHP_FUNCTION(exif_tagname)
! 2369: {
! 2370: long tag;
! 2371: char *szTemp;
! 2372:
! 2373: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &tag) == FAILURE) {
! 2374: return;
! 2375: }
! 2376:
! 2377: szTemp = exif_get_tagname(tag, NULL, 0, tag_table_IFD TSRMLS_CC);
! 2378:
! 2379: if (tag < 0 || !szTemp || !szTemp[0]) {
! 2380: RETURN_FALSE;
! 2381: }
! 2382:
! 2383: RETURN_STRING(szTemp, 1)
! 2384: }
! 2385: /* }}} */
! 2386:
! 2387: /* {{{ exif_ifd_make_value
! 2388: * Create a value for an ifd from an info_data pointer */
! 2389: static void* exif_ifd_make_value(image_info_data *info_data, int motorola_intel TSRMLS_DC) {
! 2390: size_t byte_count;
! 2391: char *value_ptr, *data_ptr;
! 2392: size_t i;
! 2393:
! 2394: image_info_value *info_value;
! 2395:
! 2396: byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length;
! 2397: value_ptr = safe_emalloc(max(byte_count, 4), 1, 0);
! 2398: memset(value_ptr, 0, 4);
! 2399: if (!info_data->length) {
! 2400: return value_ptr;
! 2401: }
! 2402: if (info_data->format == TAG_FMT_UNDEFINED || info_data->format == TAG_FMT_STRING
! 2403: || (byte_count>1 && (info_data->format == TAG_FMT_BYTE || info_data->format == TAG_FMT_SBYTE))
! 2404: ) {
! 2405: memmove(value_ptr, info_data->value.s, byte_count);
! 2406: return value_ptr;
! 2407: } else if (info_data->format == TAG_FMT_BYTE) {
! 2408: *value_ptr = info_data->value.u;
! 2409: return value_ptr;
! 2410: } else if (info_data->format == TAG_FMT_SBYTE) {
! 2411: *value_ptr = info_data->value.i;
! 2412: return value_ptr;
! 2413: } else {
! 2414: data_ptr = value_ptr;
! 2415: for(i=0; i<info_data->length; i++) {
! 2416: if (info_data->length==1) {
! 2417: info_value = &info_data->value;
! 2418: } else {
! 2419: info_value = &info_data->value.list[i];
! 2420: }
! 2421: switch(info_data->format) {
! 2422: case TAG_FMT_USHORT:
! 2423: php_ifd_set16u(data_ptr, info_value->u, motorola_intel);
! 2424: data_ptr += 2;
! 2425: break;
! 2426: case TAG_FMT_ULONG:
! 2427: php_ifd_set32u(data_ptr, info_value->u, motorola_intel);
! 2428: data_ptr += 4;
! 2429: break;
! 2430: case TAG_FMT_SSHORT:
! 2431: php_ifd_set16u(data_ptr, info_value->i, motorola_intel);
! 2432: data_ptr += 2;
! 2433: break;
! 2434: case TAG_FMT_SLONG:
! 2435: php_ifd_set32u(data_ptr, info_value->i, motorola_intel);
! 2436: data_ptr += 4;
! 2437: break;
! 2438: case TAG_FMT_URATIONAL:
! 2439: php_ifd_set32u(data_ptr, info_value->sr.num, motorola_intel);
! 2440: php_ifd_set32u(data_ptr+4, info_value->sr.den, motorola_intel);
! 2441: data_ptr += 8;
! 2442: break;
! 2443: case TAG_FMT_SRATIONAL:
! 2444: php_ifd_set32u(data_ptr, info_value->ur.num, motorola_intel);
! 2445: php_ifd_set32u(data_ptr+4, info_value->ur.den, motorola_intel);
! 2446: data_ptr += 8;
! 2447: break;
! 2448: case TAG_FMT_SINGLE:
! 2449: memmove(data_ptr, &info_data->value.f, byte_count);
! 2450: data_ptr += 4;
! 2451: break;
! 2452: case TAG_FMT_DOUBLE:
! 2453: memmove(data_ptr, &info_data->value.d, byte_count);
! 2454: data_ptr += 8;
! 2455: break;
! 2456: }
! 2457: }
! 2458: }
! 2459: return value_ptr;
! 2460: }
! 2461: /* }}} */
! 2462:
! 2463: /* {{{ exif_thumbnail_build
! 2464: * Check and build thumbnail */
! 2465: static void exif_thumbnail_build(image_info_type *ImageInfo TSRMLS_DC) {
! 2466: size_t new_size, new_move, new_value;
! 2467: char *new_data;
! 2468: void *value_ptr;
! 2469: int i, byte_count;
! 2470: image_info_list *info_list;
! 2471: image_info_data *info_data;
! 2472: #ifdef EXIF_DEBUG
! 2473: char tagname[64];
! 2474: #endif
! 2475:
! 2476: if (!ImageInfo->read_thumbnail || !ImageInfo->Thumbnail.offset || !ImageInfo->Thumbnail.size) {
! 2477: return; /* ignore this call */
! 2478: }
! 2479: #ifdef EXIF_DEBUG
! 2480: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: filetype = %d", ImageInfo->Thumbnail.filetype);
! 2481: #endif
! 2482: switch(ImageInfo->Thumbnail.filetype) {
! 2483: default:
! 2484: case IMAGE_FILETYPE_JPEG:
! 2485: /* done */
! 2486: break;
! 2487: case IMAGE_FILETYPE_TIFF_II:
! 2488: case IMAGE_FILETYPE_TIFF_MM:
! 2489: info_list = &ImageInfo->info_list[SECTION_THUMBNAIL];
! 2490: new_size = 8 + 2 + info_list->count * 12 + 4;
! 2491: #ifdef EXIF_DEBUG
! 2492: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: size of signature + directory(%d): 0x%02X", info_list->count, new_size);
! 2493: #endif
! 2494: new_value= new_size; /* offset for ifd values outside ifd directory */
! 2495: for (i=0; i<info_list->count; i++) {
! 2496: info_data = &info_list->list[i];
! 2497: byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length;
! 2498: if (byte_count > 4) {
! 2499: new_size += byte_count;
! 2500: }
! 2501: }
! 2502: new_move = new_size;
! 2503: new_data = safe_erealloc(ImageInfo->Thumbnail.data, 1, ImageInfo->Thumbnail.size, new_size);
! 2504: ImageInfo->Thumbnail.data = new_data;
! 2505: memmove(ImageInfo->Thumbnail.data + new_move, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size);
! 2506: ImageInfo->Thumbnail.size += new_size;
! 2507: /* fill in data */
! 2508: if (ImageInfo->motorola_intel) {
! 2509: memmove(new_data, "MM\x00\x2a\x00\x00\x00\x08", 8);
! 2510: } else {
! 2511: memmove(new_data, "II\x2a\x00\x08\x00\x00\x00", 8);
! 2512: }
! 2513: new_data += 8;
! 2514: php_ifd_set16u(new_data, info_list->count, ImageInfo->motorola_intel);
! 2515: new_data += 2;
! 2516: for (i=0; i<info_list->count; i++) {
! 2517: info_data = &info_list->list[i];
! 2518: byte_count = php_tiff_bytes_per_format[info_data->format] * info_data->length;
! 2519: #ifdef EXIF_DEBUG
! 2520: 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(info_data->tag, tagname, -12, tag_table_IFD TSRMLS_CC), (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);
! 2521: #endif
! 2522: if (info_data->tag==TAG_STRIP_OFFSETS || info_data->tag==TAG_JPEG_INTERCHANGE_FORMAT) {
! 2523: php_ifd_set16u(new_data + 0, info_data->tag, ImageInfo->motorola_intel);
! 2524: php_ifd_set16u(new_data + 2, TAG_FMT_ULONG, ImageInfo->motorola_intel);
! 2525: php_ifd_set32u(new_data + 4, 1, ImageInfo->motorola_intel);
! 2526: php_ifd_set32u(new_data + 8, new_move, ImageInfo->motorola_intel);
! 2527: } else {
! 2528: php_ifd_set16u(new_data + 0, info_data->tag, ImageInfo->motorola_intel);
! 2529: php_ifd_set16u(new_data + 2, info_data->format, ImageInfo->motorola_intel);
! 2530: php_ifd_set32u(new_data + 4, info_data->length, ImageInfo->motorola_intel);
! 2531: value_ptr = exif_ifd_make_value(info_data, ImageInfo->motorola_intel TSRMLS_CC);
! 2532: if (byte_count <= 4) {
! 2533: memmove(new_data+8, value_ptr, 4);
! 2534: } else {
! 2535: php_ifd_set32u(new_data+8, new_value, ImageInfo->motorola_intel);
! 2536: #ifdef EXIF_DEBUG
! 2537: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: writing with value offset: 0x%04X + 0x%02X", new_value, byte_count);
! 2538: #endif
! 2539: memmove(ImageInfo->Thumbnail.data+new_value, value_ptr, byte_count);
! 2540: new_value += byte_count;
! 2541: }
! 2542: efree(value_ptr);
! 2543: }
! 2544: new_data += 12;
! 2545: }
! 2546: memset(new_data, 0, 4); /* next ifd pointer */
! 2547: #ifdef EXIF_DEBUG
! 2548: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: created");
! 2549: #endif
! 2550: break;
! 2551: }
! 2552: }
! 2553: /* }}} */
! 2554:
! 2555: /* {{{ exif_thumbnail_extract
! 2556: * Grab the thumbnail, corrected */
! 2557: static void exif_thumbnail_extract(image_info_type *ImageInfo, char *offset, size_t length TSRMLS_DC) {
! 2558: if (ImageInfo->Thumbnail.data) {
! 2559: exif_error_docref("exif_read_data#error_mult_thumb" EXIFERR_CC, ImageInfo, E_WARNING, "Multiple possible thumbnails");
! 2560: return; /* Should not happen */
! 2561: }
! 2562: if (!ImageInfo->read_thumbnail) {
! 2563: return; /* ignore this call */
! 2564: }
! 2565: /* according to exif2.1, the thumbnail is not supposed to be greater than 64K */
! 2566: if (ImageInfo->Thumbnail.size >= 65536
! 2567: || ImageInfo->Thumbnail.size <= 0
! 2568: || ImageInfo->Thumbnail.offset <= 0
! 2569: ) {
! 2570: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Illegal thumbnail size/offset");
! 2571: return;
! 2572: }
! 2573: /* Check to make sure we are not going to go past the ExifLength */
! 2574: if ((ImageInfo->Thumbnail.offset + ImageInfo->Thumbnail.size) > length) {
! 2575: EXIF_ERRLOG_THUMBEOF(ImageInfo)
! 2576: return;
! 2577: }
! 2578: ImageInfo->Thumbnail.data = estrndup(offset + ImageInfo->Thumbnail.offset, ImageInfo->Thumbnail.size);
! 2579: exif_thumbnail_build(ImageInfo TSRMLS_CC);
! 2580: }
! 2581: /* }}} */
! 2582:
! 2583: /* {{{ exif_process_undefined
! 2584: * Copy a string/buffer in Exif header to a character string and return length of allocated buffer if any. */
! 2585: static int exif_process_undefined(char **result, char *value, size_t byte_count TSRMLS_DC) {
! 2586: /* we cannot use strlcpy - here the problem is that we have to copy NUL
! 2587: * chars up to byte_count, we also have to add a single NUL character to
! 2588: * force end of string.
! 2589: * estrndup does not return length
! 2590: */
! 2591: if (byte_count) {
! 2592: (*result) = estrndup(value, byte_count); /* NULL @ byte_count!!! */
! 2593: return byte_count+1;
! 2594: }
! 2595: return 0;
! 2596: }
! 2597: /* }}} */
! 2598:
! 2599: /* {{{ exif_process_string_raw
! 2600: * Copy a string in Exif header to a character string returns length of allocated buffer if any. */
! 2601: #if !EXIF_USE_MBSTRING
! 2602: static int exif_process_string_raw(char **result, char *value, size_t byte_count) {
! 2603: /* we cannot use strlcpy - here the problem is that we have to copy NUL
! 2604: * chars up to byte_count, we also have to add a single NUL character to
! 2605: * force end of string.
! 2606: */
! 2607: if (byte_count) {
! 2608: (*result) = safe_emalloc(byte_count, 1, 1);
! 2609: memcpy(*result, value, byte_count);
! 2610: (*result)[byte_count] = '\0';
! 2611: return byte_count+1;
! 2612: }
! 2613: return 0;
! 2614: }
! 2615: #endif
! 2616: /* }}} */
! 2617:
! 2618: /* {{{ exif_process_string
! 2619: * Copy a string in Exif header to a character string and return length of allocated buffer if any.
! 2620: * In contrast to exif_process_string this function does allways return a string buffer */
! 2621: static int exif_process_string(char **result, char *value, size_t byte_count TSRMLS_DC) {
! 2622: /* we cannot use strlcpy - here the problem is that we cannot use strlen to
! 2623: * determin length of string and we cannot use strlcpy with len=byte_count+1
! 2624: * because then we might get into an EXCEPTION if we exceed an allocated
! 2625: * memory page...so we use php_strnlen in conjunction with memcpy and add the NUL
! 2626: * char.
! 2627: * estrdup would sometimes allocate more memory and does not return length
! 2628: */
! 2629: if ((byte_count=php_strnlen(value, byte_count)) > 0) {
! 2630: return exif_process_undefined(result, value, byte_count TSRMLS_CC);
! 2631: }
! 2632: (*result) = estrndup("", 1); /* force empty string */
! 2633: return byte_count+1;
! 2634: }
! 2635: /* }}} */
! 2636:
! 2637: /* {{{ exif_process_user_comment
! 2638: * Process UserComment in IFD. */
! 2639: static int exif_process_user_comment(image_info_type *ImageInfo, char **pszInfoPtr, char **pszEncoding, char *szValuePtr, int ByteCount TSRMLS_DC)
! 2640: {
! 2641: int a;
! 2642:
! 2643: #if EXIF_USE_MBSTRING
! 2644: char *decode;
! 2645: size_t len;;
! 2646: #endif
! 2647:
! 2648: *pszEncoding = NULL;
! 2649: /* Copy the comment */
! 2650: if (ByteCount>=8) {
! 2651: if (!memcmp(szValuePtr, "UNICODE\0", 8)) {
! 2652: *pszEncoding = estrdup((const char*)szValuePtr);
! 2653: szValuePtr = szValuePtr+8;
! 2654: ByteCount -= 8;
! 2655: #if EXIF_USE_MBSTRING
! 2656: /* First try to detect BOM: ZERO WIDTH NOBREAK SPACE (FEFF 16)
! 2657: * since we have no encoding support for the BOM yet we skip that.
! 2658: */
! 2659: if (!memcmp(szValuePtr, "\xFE\xFF", 2)) {
! 2660: decode = "UCS-2BE";
! 2661: szValuePtr = szValuePtr+2;
! 2662: ByteCount -= 2;
! 2663: } else if (!memcmp(szValuePtr, "\xFF\xFE", 2)) {
! 2664: decode = "UCS-2LE";
! 2665: szValuePtr = szValuePtr+2;
! 2666: ByteCount -= 2;
! 2667: } else if (ImageInfo->motorola_intel) {
! 2668: decode = ImageInfo->decode_unicode_be;
! 2669: } else {
! 2670: decode = ImageInfo->decode_unicode_le;
! 2671: }
! 2672: *pszInfoPtr = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_unicode, decode, &len TSRMLS_CC);
! 2673: return len;
! 2674: #else
! 2675: return exif_process_string_raw(pszInfoPtr, szValuePtr, ByteCount);
! 2676: #endif
! 2677: } else
! 2678: if (!memcmp(szValuePtr, "ASCII\0\0\0", 8)) {
! 2679: *pszEncoding = estrdup((const char*)szValuePtr);
! 2680: szValuePtr = szValuePtr+8;
! 2681: ByteCount -= 8;
! 2682: } else
! 2683: if (!memcmp(szValuePtr, "JIS\0\0\0\0\0", 8)) {
! 2684: /* JIS should be tanslated to MB or we leave it to the user - leave it to the user */
! 2685: *pszEncoding = estrdup((const char*)szValuePtr);
! 2686: szValuePtr = szValuePtr+8;
! 2687: ByteCount -= 8;
! 2688: #if EXIF_USE_MBSTRING
! 2689: if (ImageInfo->motorola_intel) {
! 2690: *pszInfoPtr = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_jis, ImageInfo->decode_jis_be, &len TSRMLS_CC);
! 2691: } else {
! 2692: *pszInfoPtr = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_jis, ImageInfo->decode_jis_le, &len TSRMLS_CC);
! 2693: }
! 2694: return len;
! 2695: #else
! 2696: return exif_process_string_raw(pszInfoPtr, szValuePtr, ByteCount);
! 2697: #endif
! 2698: } else
! 2699: if (!memcmp(szValuePtr, "\0\0\0\0\0\0\0\0", 8)) {
! 2700: /* 8 NULL means undefined and should be ASCII... */
! 2701: *pszEncoding = estrdup("UNDEFINED");
! 2702: szValuePtr = szValuePtr+8;
! 2703: ByteCount -= 8;
! 2704: }
! 2705: }
! 2706:
! 2707: /* Olympus has this padded with trailing spaces. Remove these first. */
! 2708: if (ByteCount>0) {
! 2709: for (a=ByteCount-1;a && szValuePtr[a]==' ';a--) {
! 2710: (szValuePtr)[a] = '\0';
! 2711: }
! 2712: }
! 2713:
! 2714: /* normal text without encoding */
! 2715: exif_process_string(pszInfoPtr, szValuePtr, ByteCount TSRMLS_CC);
! 2716: return strlen(*pszInfoPtr);
! 2717: }
! 2718: /* }}} */
! 2719:
! 2720: /* {{{ exif_process_unicode
! 2721: * Process unicode field in IFD. */
! 2722: static int exif_process_unicode(image_info_type *ImageInfo, xp_field_type *xp_field, int tag, char *szValuePtr, int ByteCount TSRMLS_DC)
! 2723: {
! 2724: xp_field->tag = tag;
! 2725:
! 2726: /* Copy the comment */
! 2727: #if EXIF_USE_MBSTRING
! 2728: /* What if MS supports big-endian with XP? */
! 2729: /* if (ImageInfo->motorola_intel) {
! 2730: xp_field->value = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_unicode, ImageInfo->decode_unicode_be, &xp_field->size TSRMLS_CC);
! 2731: } else {
! 2732: xp_field->value = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_unicode, ImageInfo->decode_unicode_le, &xp_field->size TSRMLS_CC);
! 2733: }*/
! 2734: xp_field->value = php_mb_convert_encoding(szValuePtr, ByteCount, ImageInfo->encode_unicode, ImageInfo->decode_unicode_le, &xp_field->size TSRMLS_CC);
! 2735: return xp_field->size;
! 2736: #else
! 2737: xp_field->size = exif_process_string_raw(&xp_field->value, szValuePtr, ByteCount);
! 2738: return xp_field->size;
! 2739: #endif
! 2740: }
! 2741: /* }}} */
! 2742:
! 2743: /* {{{ exif_process_IFD_in_MAKERNOTE
! 2744: * Process nested IFDs directories in Maker Note. */
! 2745: static int exif_process_IFD_in_MAKERNOTE(image_info_type *ImageInfo, char * value_ptr, int value_len, char *offset_base, size_t IFDlength, size_t displacement TSRMLS_DC)
! 2746: {
! 2747: int de, i=0, section_index = SECTION_MAKERNOTE;
! 2748: int NumDirEntries, old_motorola_intel, offset_diff;
! 2749: const maker_note_type *maker_note;
! 2750: char *dir_start;
! 2751:
! 2752: for (i=0; i<=sizeof(maker_note_array)/sizeof(maker_note_type); i++) {
! 2753: if (i==sizeof(maker_note_array)/sizeof(maker_note_type))
! 2754: return FALSE;
! 2755: maker_note = maker_note_array+i;
! 2756:
! 2757: /*exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "check (%s,%s)", maker_note->make?maker_note->make:"", maker_note->model?maker_note->model:"");*/
! 2758: if (maker_note->make && (!ImageInfo->make || strcmp(maker_note->make, ImageInfo->make)))
! 2759: continue;
! 2760: if (maker_note->model && (!ImageInfo->model || strcmp(maker_note->model, ImageInfo->model)))
! 2761: continue;
! 2762: if (maker_note->id_string && strncmp(maker_note->id_string, value_ptr, maker_note->id_string_len))
! 2763: continue;
! 2764: break;
! 2765: }
! 2766:
! 2767: dir_start = value_ptr + maker_note->offset;
! 2768:
! 2769: #ifdef EXIF_DEBUG
! 2770: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process %s @x%04X + 0x%04X=%d: %s", exif_get_sectionname(section_index), (int)dir_start-(int)offset_base+maker_note->offset+displacement, value_len, value_len, exif_char_dump(value_ptr, value_len, (int)dir_start-(int)offset_base+maker_note->offset+displacement));
! 2771: #endif
! 2772:
! 2773: ImageInfo->sections_found |= FOUND_MAKERNOTE;
! 2774:
! 2775: old_motorola_intel = ImageInfo->motorola_intel;
! 2776: switch (maker_note->byte_order) {
! 2777: case MN_ORDER_INTEL:
! 2778: ImageInfo->motorola_intel = 0;
! 2779: break;
! 2780: case MN_ORDER_MOTOROLA:
! 2781: ImageInfo->motorola_intel = 1;
! 2782: break;
! 2783: default:
! 2784: case MN_ORDER_NORMAL:
! 2785: break;
! 2786: }
! 2787:
! 2788: NumDirEntries = php_ifd_get16u(dir_start, ImageInfo->motorola_intel);
! 2789:
! 2790: switch (maker_note->offset_mode) {
! 2791: case MN_OFFSET_MAKER:
! 2792: offset_base = value_ptr;
! 2793: break;
! 2794: case MN_OFFSET_GUESS:
! 2795: offset_diff = 2 + NumDirEntries*12 + 4 - php_ifd_get32u(dir_start+10, ImageInfo->motorola_intel);
! 2796: #ifdef EXIF_DEBUG
! 2797: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Using automatic offset correction: 0x%04X", ((int)dir_start-(int)offset_base+maker_note->offset+displacement) + offset_diff);
! 2798: #endif
! 2799: offset_base = value_ptr + offset_diff;
! 2800: break;
! 2801: default:
! 2802: case MN_OFFSET_NORMAL:
! 2803: break;
! 2804: }
! 2805:
! 2806: if ((2+NumDirEntries*12) > value_len) {
! 2807: exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD size: 2 + x%04X*12 = x%04X > x%04X", NumDirEntries, 2+NumDirEntries*12, value_len);
! 2808: return FALSE;
! 2809: }
! 2810:
! 2811: for (de=0;de<NumDirEntries;de++) {
! 2812: if (!exif_process_IFD_TAG(ImageInfo, dir_start + 2 + 12 * de,
! 2813: offset_base, IFDlength, displacement, section_index, 0, maker_note->tag_table TSRMLS_CC)) {
! 2814: return FALSE;
! 2815: }
! 2816: }
! 2817: ImageInfo->motorola_intel = old_motorola_intel;
! 2818: /* NextDirOffset (must be NULL) = php_ifd_get32u(dir_start+2+12*de, ImageInfo->motorola_intel);*/
! 2819: #ifdef EXIF_DEBUG
! 2820: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Subsection %s done", exif_get_sectionname(SECTION_MAKERNOTE));
! 2821: #endif
! 2822: return TRUE;
! 2823: }
! 2824: /* }}} */
! 2825:
! 2826: /* {{{ exif_process_IFD_TAG
! 2827: * Process one of the nested IFDs directories. */
! 2828: static int exif_process_IFD_TAG(image_info_type *ImageInfo, char *dir_entry, char *offset_base, size_t IFDlength, size_t displacement, int section_index, int ReadNextIFD, tag_table_type tag_table TSRMLS_DC)
! 2829: {
! 2830: size_t length;
! 2831: int tag, format, components;
! 2832: char *value_ptr, tagname[64], cbuf[32], *outside=NULL;
! 2833: size_t byte_count, offset_val, fpos, fgot;
! 2834: int64_t byte_count_signed;
! 2835: xp_field_type *tmp_xp;
! 2836: #ifdef EXIF_DEBUG
! 2837: char *dump_data;
! 2838: int dump_free;
! 2839: #endif /* EXIF_DEBUG */
! 2840:
! 2841: /* Protect against corrupt headers */
! 2842: if (ImageInfo->ifd_nesting_level > MAX_IFD_NESTING_LEVEL) {
! 2843: exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "corrupt EXIF header: maximum directory nesting level reached");
! 2844: return FALSE;
! 2845: }
! 2846: ImageInfo->ifd_nesting_level++;
! 2847:
! 2848: tag = php_ifd_get16u(dir_entry, ImageInfo->motorola_intel);
! 2849: format = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel);
! 2850: components = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel);
! 2851:
! 2852: if (!format || format > NUM_FORMATS) {
! 2853: /* (-1) catches illegal zero case as unsigned underflows to positive large. */
! 2854: 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(tag, tagname, -12, tag_table TSRMLS_CC), format);
! 2855: format = TAG_FMT_BYTE;
! 2856: /*return TRUE;*/
! 2857: }
! 2858:
! 2859: if (components < 0) {
! 2860: exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Process tag(x%04X=%s): Illegal components(%ld)", tag, exif_get_tagname(tag, tagname, -12, tag_table TSRMLS_CC), components);
! 2861: return FALSE;
! 2862: }
! 2863:
! 2864: byte_count_signed = (int64_t)components * php_tiff_bytes_per_format[format];
! 2865:
! 2866: if (byte_count_signed < 0 || (byte_count_signed > INT32_MAX)) {
! 2867: 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(tag, tagname, -12, tag_table TSRMLS_CC));
! 2868: return FALSE;
! 2869: }
! 2870:
! 2871: byte_count = (size_t)byte_count_signed;
! 2872:
! 2873: if (byte_count > 4) {
! 2874: offset_val = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel);
! 2875: /* If its bigger than 4 bytes, the dir entry contains an offset. */
! 2876: value_ptr = offset_base+offset_val;
! 2877: if (byte_count > IFDlength || offset_val > IFDlength-byte_count || value_ptr < dir_entry) {
! 2878: /* It is important to check for IMAGE_FILETYPE_TIFF
! 2879: * JPEG does not use absolute pointers instead its pointers are
! 2880: * relative to the start of the TIFF header in APP1 section. */
! 2881: 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)) {
! 2882: if (value_ptr < dir_entry) {
! 2883: /* we can read this if offset_val > 0 */
! 2884: /* some files have their values in other parts of the file */
! 2885: 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)", tag, exif_get_tagname(tag, tagname, -12, tag_table TSRMLS_CC), offset_val, dir_entry);
! 2886: } else {
! 2887: /* this is for sure not allowed */
! 2888: /* exception are IFD pointers */
! 2889: 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(tag, tagname, -12, tag_table TSRMLS_CC), offset_val, byte_count, offset_val+byte_count, IFDlength);
! 2890: }
! 2891: return FALSE;
! 2892: }
! 2893: if (byte_count>sizeof(cbuf)) {
! 2894: /* mark as outside range and get buffer */
! 2895: value_ptr = safe_emalloc(byte_count, 1, 0);
! 2896: outside = value_ptr;
! 2897: } else {
! 2898: /* In most cases we only access a small range so
! 2899: * it is faster to use a static buffer there
! 2900: * BUT it offers also the possibility to have
! 2901: * pointers read without the need to free them
! 2902: * explicitley before returning. */
! 2903: memset(&cbuf, 0, sizeof(cbuf));
! 2904: value_ptr = cbuf;
! 2905: }
! 2906:
! 2907: fpos = php_stream_tell(ImageInfo->infile);
! 2908: php_stream_seek(ImageInfo->infile, offset_val, SEEK_SET);
! 2909: fgot = php_stream_tell(ImageInfo->infile);
! 2910: if (fgot!=offset_val) {
! 2911: EFREE_IF(outside);
! 2912: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Wrong file pointer: 0x%08X != 0x%08X", fgot, offset_val);
! 2913: return FALSE;
! 2914: }
! 2915: fgot = php_stream_read(ImageInfo->infile, value_ptr, byte_count);
! 2916: php_stream_seek(ImageInfo->infile, fpos, SEEK_SET);
! 2917: if (fgot<byte_count) {
! 2918: EFREE_IF(outside);
! 2919: EXIF_ERRLOG_FILEEOF(ImageInfo)
! 2920: return FALSE;
! 2921: }
! 2922: }
! 2923: } else {
! 2924: /* 4 bytes or less and value is in the dir entry itself */
! 2925: value_ptr = dir_entry+8;
! 2926: offset_val= value_ptr-offset_base;
! 2927: }
! 2928:
! 2929: ImageInfo->sections_found |= FOUND_ANY_TAG;
! 2930: #ifdef EXIF_DEBUG
! 2931: dump_data = exif_dump_data(&dump_free, format, components, length, ImageInfo->motorola_intel, value_ptr TSRMLS_CC);
! 2932: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process tag(x%04X=%s,@x%04X + x%04X(=%d)): %s%s %s", tag, exif_get_tagname(tag, tagname, -12, tag_table TSRMLS_CC), 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);
! 2933: if (dump_free) {
! 2934: efree(dump_data);
! 2935: }
! 2936: #endif
! 2937:
! 2938: if (section_index==SECTION_THUMBNAIL) {
! 2939: if (!ImageInfo->Thumbnail.data) {
! 2940: switch(tag) {
! 2941: case TAG_IMAGEWIDTH:
! 2942: case TAG_COMP_IMAGE_WIDTH:
! 2943: ImageInfo->Thumbnail.width = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 2944: break;
! 2945:
! 2946: case TAG_IMAGEHEIGHT:
! 2947: case TAG_COMP_IMAGE_HEIGHT:
! 2948: ImageInfo->Thumbnail.height = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 2949: break;
! 2950:
! 2951: case TAG_STRIP_OFFSETS:
! 2952: case TAG_JPEG_INTERCHANGE_FORMAT:
! 2953: /* accept both formats */
! 2954: ImageInfo->Thumbnail.offset = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 2955: break;
! 2956:
! 2957: case TAG_STRIP_BYTE_COUNTS:
! 2958: if (ImageInfo->FileType == IMAGE_FILETYPE_TIFF_II || ImageInfo->FileType == IMAGE_FILETYPE_TIFF_MM) {
! 2959: ImageInfo->Thumbnail.filetype = ImageInfo->FileType;
! 2960: } else {
! 2961: /* motorola is easier to read */
! 2962: ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_TIFF_MM;
! 2963: }
! 2964: ImageInfo->Thumbnail.size = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 2965: break;
! 2966:
! 2967: case TAG_JPEG_INTERCHANGE_FORMAT_LEN:
! 2968: if (ImageInfo->Thumbnail.filetype == IMAGE_FILETYPE_UNKNOWN) {
! 2969: ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_JPEG;
! 2970: ImageInfo->Thumbnail.size = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 2971: }
! 2972: break;
! 2973: }
! 2974: }
! 2975: } else {
! 2976: if (section_index==SECTION_IFD0 || section_index==SECTION_EXIF)
! 2977: switch(tag) {
! 2978: case TAG_COPYRIGHT:
! 2979: /* check for "<photographer> NUL <editor> NUL" */
! 2980: if (byte_count>1 && (length=php_strnlen(value_ptr, byte_count)) > 0) {
! 2981: if (length<byte_count-1) {
! 2982: /* When there are any characters after the first NUL */
! 2983: ImageInfo->CopyrightPhotographer = estrdup(value_ptr);
! 2984: ImageInfo->CopyrightEditor = estrdup(value_ptr+length+1);
! 2985: spprintf(&ImageInfo->Copyright, 0, "%s, %s", value_ptr, value_ptr+length+1);
! 2986: /* format = TAG_FMT_UNDEFINED; this musn't be ASCII */
! 2987: /* but we are not supposed to change this */
! 2988: /* keep in mind that image_info does not store editor value */
! 2989: } else {
! 2990: ImageInfo->Copyright = estrdup(value_ptr);
! 2991: }
! 2992: }
! 2993: break;
! 2994:
! 2995: case TAG_USERCOMMENT:
! 2996: ImageInfo->UserCommentLength = exif_process_user_comment(ImageInfo, &(ImageInfo->UserComment), &(ImageInfo->UserCommentEncoding), value_ptr, byte_count TSRMLS_CC);
! 2997: break;
! 2998:
! 2999: case TAG_XP_TITLE:
! 3000: case TAG_XP_COMMENTS:
! 3001: case TAG_XP_AUTHOR:
! 3002: case TAG_XP_KEYWORDS:
! 3003: case TAG_XP_SUBJECT:
! 3004: tmp_xp = (xp_field_type*)safe_erealloc(ImageInfo->xp_fields.list, (ImageInfo->xp_fields.count+1), sizeof(xp_field_type), 0);
! 3005: ImageInfo->sections_found |= FOUND_WINXP;
! 3006: ImageInfo->xp_fields.list = tmp_xp;
! 3007: ImageInfo->xp_fields.count++;
! 3008: exif_process_unicode(ImageInfo, &(ImageInfo->xp_fields.list[ImageInfo->xp_fields.count-1]), tag, value_ptr, byte_count TSRMLS_CC);
! 3009: break;
! 3010:
! 3011: case TAG_FNUMBER:
! 3012: /* Simplest way of expressing aperture, so I trust it the most.
! 3013: (overwrite previously computed value if there is one) */
! 3014: ImageInfo->ApertureFNumber = (float)exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 3015: break;
! 3016:
! 3017: case TAG_APERTURE:
! 3018: case TAG_MAX_APERTURE:
! 3019: /* More relevant info always comes earlier, so only use this field if we don't
! 3020: have appropriate aperture information yet. */
! 3021: if (ImageInfo->ApertureFNumber == 0) {
! 3022: ImageInfo->ApertureFNumber
! 3023: = (float)exp(exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC)*log(2)*0.5);
! 3024: }
! 3025: break;
! 3026:
! 3027: case TAG_SHUTTERSPEED:
! 3028: /* More complicated way of expressing exposure time, so only use
! 3029: this value if we don't already have it from somewhere else.
! 3030: SHUTTERSPEED comes after EXPOSURE TIME
! 3031: */
! 3032: if (ImageInfo->ExposureTime == 0) {
! 3033: ImageInfo->ExposureTime
! 3034: = (float)(1/exp(exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC)*log(2)));
! 3035: }
! 3036: break;
! 3037: case TAG_EXPOSURETIME:
! 3038: ImageInfo->ExposureTime = -1;
! 3039: break;
! 3040:
! 3041: case TAG_COMP_IMAGE_WIDTH:
! 3042: ImageInfo->ExifImageWidth = exif_convert_any_to_int(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 3043: break;
! 3044:
! 3045: case TAG_FOCALPLANE_X_RES:
! 3046: ImageInfo->FocalplaneXRes = exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 3047: break;
! 3048:
! 3049: case TAG_SUBJECT_DISTANCE:
! 3050: /* Inidcates the distacne the autofocus camera is focused to.
! 3051: Tends to be less accurate as distance increases. */
! 3052: ImageInfo->Distance = (float)exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC);
! 3053: break;
! 3054:
! 3055: case TAG_FOCALPLANE_RESOLUTION_UNIT:
! 3056: switch((int)exif_convert_any_format(value_ptr, format, ImageInfo->motorola_intel TSRMLS_CC)) {
! 3057: case 1: ImageInfo->FocalplaneUnits = 25.4; break; /* inch */
! 3058: case 2:
! 3059: /* According to the information I was using, 2 measn meters.
! 3060: But looking at the Cannon powershot's files, inches is the only
! 3061: sensible value. */
! 3062: ImageInfo->FocalplaneUnits = 25.4;
! 3063: break;
! 3064:
! 3065: case 3: ImageInfo->FocalplaneUnits = 10; break; /* centimeter */
! 3066: case 4: ImageInfo->FocalplaneUnits = 1; break; /* milimeter */
! 3067: case 5: ImageInfo->FocalplaneUnits = .001; break; /* micrometer */
! 3068: }
! 3069: break;
! 3070:
! 3071: case TAG_SUB_IFD:
! 3072: if (format==TAG_FMT_IFD) {
! 3073: /* If this is called we are either in a TIFFs thumbnail or a JPEG where we cannot handle it */
! 3074: /* TIFF thumbnail: our data structure cannot store a thumbnail of a thumbnail */
! 3075: /* JPEG do we have the data area and what to do with it */
! 3076: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Skip SUB IFD");
! 3077: }
! 3078: break;
! 3079:
! 3080: case TAG_MAKE:
! 3081: ImageInfo->make = estrdup(value_ptr);
! 3082: break;
! 3083: case TAG_MODEL:
! 3084: ImageInfo->model = estrdup(value_ptr);
! 3085: break;
! 3086:
! 3087: case TAG_MAKER_NOTE:
! 3088: exif_process_IFD_in_MAKERNOTE(ImageInfo, value_ptr, byte_count, offset_base, IFDlength, displacement TSRMLS_CC);
! 3089: break;
! 3090:
! 3091: case TAG_EXIF_IFD_POINTER:
! 3092: case TAG_GPS_IFD_POINTER:
! 3093: case TAG_INTEROP_IFD_POINTER:
! 3094: if (ReadNextIFD) {
! 3095: char *Subdir_start;
! 3096: int sub_section_index = 0;
! 3097: switch(tag) {
! 3098: case TAG_EXIF_IFD_POINTER:
! 3099: #ifdef EXIF_DEBUG
! 3100: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found EXIF");
! 3101: #endif
! 3102: ImageInfo->sections_found |= FOUND_EXIF;
! 3103: sub_section_index = SECTION_EXIF;
! 3104: break;
! 3105: case TAG_GPS_IFD_POINTER:
! 3106: #ifdef EXIF_DEBUG
! 3107: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found GPS");
! 3108: #endif
! 3109: ImageInfo->sections_found |= FOUND_GPS;
! 3110: sub_section_index = SECTION_GPS;
! 3111: break;
! 3112: case TAG_INTEROP_IFD_POINTER:
! 3113: #ifdef EXIF_DEBUG
! 3114: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Found INTEROPERABILITY");
! 3115: #endif
! 3116: ImageInfo->sections_found |= FOUND_INTEROP;
! 3117: sub_section_index = SECTION_INTEROP;
! 3118: break;
! 3119: }
! 3120: Subdir_start = offset_base + php_ifd_get32u(value_ptr, ImageInfo->motorola_intel);
! 3121: if (Subdir_start < offset_base || Subdir_start > offset_base+IFDlength) {
! 3122: exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD Pointer");
! 3123: return FALSE;
! 3124: }
! 3125: if (!exif_process_IFD_in_JPEG(ImageInfo, Subdir_start, offset_base, IFDlength, displacement, sub_section_index TSRMLS_CC)) {
! 3126: return FALSE;
! 3127: }
! 3128: #ifdef EXIF_DEBUG
! 3129: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Subsection %s done", exif_get_sectionname(sub_section_index));
! 3130: #endif
! 3131: }
! 3132: }
! 3133: }
! 3134: exif_iif_add_tag(ImageInfo, section_index, exif_get_tagname(tag, tagname, sizeof(tagname), tag_table TSRMLS_CC), tag, format, components, value_ptr TSRMLS_CC);
! 3135: EFREE_IF(outside);
! 3136: return TRUE;
! 3137: }
! 3138: /* }}} */
! 3139:
! 3140: /* {{{ exif_process_IFD_in_JPEG
! 3141: * Process one of the nested IFDs directories. */
! 3142: static int exif_process_IFD_in_JPEG(image_info_type *ImageInfo, char *dir_start, char *offset_base, size_t IFDlength, size_t displacement, int section_index TSRMLS_DC)
! 3143: {
! 3144: int de;
! 3145: int NumDirEntries;
! 3146: int NextDirOffset;
! 3147:
! 3148: #ifdef EXIF_DEBUG
! 3149: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process %s (x%04X(=%d))", exif_get_sectionname(section_index), IFDlength, IFDlength);
! 3150: #endif
! 3151:
! 3152: ImageInfo->sections_found |= FOUND_IFD0;
! 3153:
! 3154: NumDirEntries = php_ifd_get16u(dir_start, ImageInfo->motorola_intel);
! 3155:
! 3156: if ((dir_start+2+NumDirEntries*12) > (offset_base+IFDlength)) {
! 3157: 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)offset_base), NumDirEntries, (int)((size_t)dir_start+2+NumDirEntries*12-(size_t)offset_base), IFDlength);
! 3158: return FALSE;
! 3159: }
! 3160:
! 3161: for (de=0;de<NumDirEntries;de++) {
! 3162: if (!exif_process_IFD_TAG(ImageInfo, dir_start + 2 + 12 * de,
! 3163: offset_base, IFDlength, displacement, section_index, 1, exif_get_tag_table(section_index) TSRMLS_CC)) {
! 3164: return FALSE;
! 3165: }
! 3166: }
! 3167: /*
! 3168: * Ignore IFD2 if it purportedly exists
! 3169: */
! 3170: if (section_index == SECTION_THUMBNAIL) {
! 3171: return TRUE;
! 3172: }
! 3173: /*
! 3174: * Hack to make it process IDF1 I hope
! 3175: * There are 2 IDFs, the second one holds the keys (0x0201 and 0x0202) to the thumbnail
! 3176: */
! 3177: NextDirOffset = php_ifd_get32u(dir_start+2+12*de, ImageInfo->motorola_intel);
! 3178: if (NextDirOffset) {
! 3179: /* the next line seems false but here IFDlength means length of all IFDs */
! 3180: if (offset_base + NextDirOffset < offset_base || offset_base + NextDirOffset > offset_base+IFDlength) {
! 3181: exif_error_docref("exif_read_data#error_ifd" EXIFERR_CC, ImageInfo, E_WARNING, "Illegal IFD offset");
! 3182: return FALSE;
! 3183: }
! 3184: /* That is the IFD for the first thumbnail */
! 3185: #ifdef EXIF_DEBUG
! 3186: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Expect next IFD to be thumbnail");
! 3187: #endif
! 3188: if (exif_process_IFD_in_JPEG(ImageInfo, offset_base + NextDirOffset, offset_base, IFDlength, displacement, SECTION_THUMBNAIL TSRMLS_CC)) {
! 3189: #ifdef EXIF_DEBUG
! 3190: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail size: 0x%04X", ImageInfo->Thumbnail.size);
! 3191: #endif
! 3192: if (ImageInfo->Thumbnail.filetype != IMAGE_FILETYPE_UNKNOWN
! 3193: && ImageInfo->Thumbnail.size
! 3194: && ImageInfo->Thumbnail.offset
! 3195: && ImageInfo->read_thumbnail
! 3196: ) {
! 3197: exif_thumbnail_extract(ImageInfo, offset_base, IFDlength TSRMLS_CC);
! 3198: }
! 3199: return TRUE;
! 3200: } else {
! 3201: return FALSE;
! 3202: }
! 3203: }
! 3204: return TRUE;
! 3205: }
! 3206: /* }}} */
! 3207:
! 3208: /* {{{ exif_process_TIFF_in_JPEG
! 3209: Process a TIFF header in a JPEG file
! 3210: */
! 3211: static void exif_process_TIFF_in_JPEG(image_info_type *ImageInfo, char *CharBuf, size_t length, size_t displacement TSRMLS_DC)
! 3212: {
! 3213: unsigned exif_value_2a, offset_of_ifd;
! 3214:
! 3215: /* set the thumbnail stuff to nothing so we can test to see if they get set up */
! 3216: if (memcmp(CharBuf, "II", 2) == 0) {
! 3217: ImageInfo->motorola_intel = 0;
! 3218: } else if (memcmp(CharBuf, "MM", 2) == 0) {
! 3219: ImageInfo->motorola_intel = 1;
! 3220: } else {
! 3221: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF alignment marker");
! 3222: return;
! 3223: }
! 3224:
! 3225: /* Check the next two values for correctness. */
! 3226: exif_value_2a = php_ifd_get16u(CharBuf+2, ImageInfo->motorola_intel);
! 3227: offset_of_ifd = php_ifd_get32u(CharBuf+4, ImageInfo->motorola_intel);
! 3228: if ( exif_value_2a != 0x2a || offset_of_ifd < 0x08) {
! 3229: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF start (1)");
! 3230: return;
! 3231: }
! 3232: if (offset_of_ifd > length) {
! 3233: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid IFD start");
! 3234: return;
! 3235: }
! 3236:
! 3237: ImageInfo->sections_found |= FOUND_IFD0;
! 3238: /* First directory starts at offset 8. Offsets starts at 0. */
! 3239: exif_process_IFD_in_JPEG(ImageInfo, CharBuf+offset_of_ifd, CharBuf, length/*-14*/, displacement, SECTION_IFD0 TSRMLS_CC);
! 3240:
! 3241: #ifdef EXIF_DEBUG
! 3242: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process TIFF in JPEG done");
! 3243: #endif
! 3244:
! 3245: /* Compute the CCD width, in milimeters. */
! 3246: if (ImageInfo->FocalplaneXRes != 0) {
! 3247: ImageInfo->CCDWidth = (float)(ImageInfo->ExifImageWidth * ImageInfo->FocalplaneUnits / ImageInfo->FocalplaneXRes);
! 3248: }
! 3249: }
! 3250: /* }}} */
! 3251:
! 3252: /* {{{ exif_process_APP1
! 3253: Process an JPEG APP1 block marker
! 3254: Describes all the drivel that most digital cameras include...
! 3255: */
! 3256: static void exif_process_APP1(image_info_type *ImageInfo, char *CharBuf, size_t length, size_t displacement TSRMLS_DC)
! 3257: {
! 3258: /* Check the APP1 for Exif Identifier Code */
! 3259: static const uchar ExifHeader[] = {0x45, 0x78, 0x69, 0x66, 0x00, 0x00};
! 3260: if (length <= 8 || memcmp(CharBuf+2, ExifHeader, 6)) {
! 3261: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Incorrect APP1 Exif Identifier Code");
! 3262: return;
! 3263: }
! 3264: exif_process_TIFF_in_JPEG(ImageInfo, CharBuf + 8, length - 8, displacement+8 TSRMLS_CC);
! 3265: #ifdef EXIF_DEBUG
! 3266: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process APP1/EXIF done");
! 3267: #endif
! 3268: }
! 3269: /* }}} */
! 3270:
! 3271: /* {{{ exif_process_APP12
! 3272: Process an JPEG APP12 block marker used by OLYMPUS
! 3273: */
! 3274: static void exif_process_APP12(image_info_type *ImageInfo, char *buffer, size_t length TSRMLS_DC)
! 3275: {
! 3276: size_t l1, l2=0;
! 3277:
! 3278: if ((l1 = php_strnlen(buffer+2, length-2)) > 0) {
! 3279: exif_iif_add_tag(ImageInfo, SECTION_APP12, "Company", TAG_NONE, TAG_FMT_STRING, l1, buffer+2 TSRMLS_CC);
! 3280: if (length > 2+l1+1) {
! 3281: l2 = php_strnlen(buffer+2+l1+1, length-2-l1+1);
! 3282: exif_iif_add_tag(ImageInfo, SECTION_APP12, "Info", TAG_NONE, TAG_FMT_STRING, l2, buffer+2+l1+1 TSRMLS_CC);
! 3283: }
! 3284: }
! 3285: #ifdef EXIF_DEBUG
! 3286: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Process section APP12 with l1=%d, l2=%d done", l1, l2);
! 3287: #endif
! 3288: }
! 3289: /* }}} */
! 3290:
! 3291: /* {{{ exif_scan_JPEG_header
! 3292: * Parse the marker stream until SOS or EOI is seen; */
! 3293: static int exif_scan_JPEG_header(image_info_type *ImageInfo TSRMLS_DC)
! 3294: {
! 3295: int section, sn;
! 3296: int marker = 0, last_marker = M_PSEUDO, comment_correction=1;
! 3297: unsigned int ll, lh;
! 3298: uchar *Data;
! 3299: size_t fpos, size, got, itemlen;
! 3300: jpeg_sof_info sof_info;
! 3301:
! 3302: for(section=0;;section++) {
! 3303: #ifdef EXIF_DEBUG
! 3304: fpos = php_stream_tell(ImageInfo->infile);
! 3305: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Needing section %d @ 0x%08X", ImageInfo->file.count, fpos);
! 3306: #endif
! 3307:
! 3308: /* get marker byte, swallowing possible padding */
! 3309: /* some software does not count the length bytes of COM section */
! 3310: /* one company doing so is very much envolved in JPEG... so we accept too */
! 3311: if (last_marker==M_COM && comment_correction) {
! 3312: comment_correction = 2;
! 3313: }
! 3314: do {
! 3315: if ((marker = php_stream_getc(ImageInfo->infile)) == EOF) {
! 3316: EXIF_ERRLOG_CORRUPT(ImageInfo)
! 3317: return FALSE;
! 3318: }
! 3319: if (last_marker==M_COM && comment_correction>0) {
! 3320: if (marker!=0xFF) {
! 3321: marker = 0xff;
! 3322: comment_correction--;
! 3323: } else {
! 3324: last_marker = M_PSEUDO; /* stop skipping 0 for M_COM */
! 3325: }
! 3326: }
! 3327: } while (marker == 0xff);
! 3328: if (last_marker==M_COM && !comment_correction) {
! 3329: exif_error_docref("exif_read_data#error_mcom" EXIFERR_CC, ImageInfo, E_NOTICE, "Image has corrupt COM section: some software set wrong length information");
! 3330: }
! 3331: if (last_marker==M_COM && comment_correction)
! 3332: return M_EOI; /* ah illegal: char after COM section not 0xFF */
! 3333:
! 3334: fpos = php_stream_tell(ImageInfo->infile);
! 3335:
! 3336: if (marker == 0xff) {
! 3337: /* 0xff is legal padding, but if we get that many, something's wrong. */
! 3338: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "To many padding bytes");
! 3339: return FALSE;
! 3340: }
! 3341:
! 3342: /* Read the length of the section. */
! 3343: if ((lh = php_stream_getc(ImageInfo->infile)) == EOF) {
! 3344: EXIF_ERRLOG_CORRUPT(ImageInfo)
! 3345: return FALSE;
! 3346: }
! 3347: if ((ll = php_stream_getc(ImageInfo->infile)) == EOF) {
! 3348: EXIF_ERRLOG_CORRUPT(ImageInfo)
! 3349: return FALSE;
! 3350: }
! 3351:
! 3352: itemlen = (lh << 8) | ll;
! 3353:
! 3354: if (itemlen < 2) {
! 3355: #ifdef EXIF_DEBUG
! 3356: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "%s, Section length: 0x%02X%02X", EXIF_ERROR_CORRUPT, lh, ll);
! 3357: #else
! 3358: EXIF_ERRLOG_CORRUPT(ImageInfo)
! 3359: #endif
! 3360: return FALSE;
! 3361: }
! 3362:
! 3363: sn = exif_file_sections_add(ImageInfo, marker, itemlen+1, NULL);
! 3364: Data = ImageInfo->file.list[sn].data;
! 3365:
! 3366: /* Store first two pre-read bytes. */
! 3367: Data[0] = (uchar)lh;
! 3368: Data[1] = (uchar)ll;
! 3369:
! 3370: got = php_stream_read(ImageInfo->infile, (char*)(Data+2), itemlen-2); /* Read the whole section. */
! 3371: if (got != itemlen-2) {
! 3372: 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);
! 3373: return FALSE;
! 3374: }
! 3375:
! 3376: #ifdef EXIF_DEBUG
! 3377: 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);
! 3378: #endif
! 3379: switch(marker) {
! 3380: case M_SOS: /* stop before hitting compressed data */
! 3381: /* If reading entire image is requested, read the rest of the data. */
! 3382: if (ImageInfo->read_all) {
! 3383: /* Determine how much file is left. */
! 3384: fpos = php_stream_tell(ImageInfo->infile);
! 3385: size = ImageInfo->FileSize - fpos;
! 3386: sn = exif_file_sections_add(ImageInfo, M_PSEUDO, size, NULL);
! 3387: Data = ImageInfo->file.list[sn].data;
! 3388: got = php_stream_read(ImageInfo->infile, (char*)Data, size);
! 3389: if (got != size) {
! 3390: EXIF_ERRLOG_FILEEOF(ImageInfo)
! 3391: return FALSE;
! 3392: }
! 3393: }
! 3394: return TRUE;
! 3395:
! 3396: case M_EOI: /* in case it's a tables-only JPEG stream */
! 3397: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "No image in jpeg!");
! 3398: return (ImageInfo->sections_found&(~FOUND_COMPUTED)) ? TRUE : FALSE;
! 3399:
! 3400: case M_COM: /* Comment section */
! 3401: exif_process_COM(ImageInfo, (char *)Data, itemlen TSRMLS_CC);
! 3402: break;
! 3403:
! 3404: case M_EXIF:
! 3405: if (!(ImageInfo->sections_found&FOUND_IFD0)) {
! 3406: /*ImageInfo->sections_found |= FOUND_EXIF;*/
! 3407: /* Seen files from some 'U-lead' software with Vivitar scanner
! 3408: that uses marker 31 later in the file (no clue what for!) */
! 3409: exif_process_APP1(ImageInfo, (char *)Data, itemlen, fpos TSRMLS_CC);
! 3410: }
! 3411: break;
! 3412:
! 3413: case M_APP12:
! 3414: exif_process_APP12(ImageInfo, (char *)Data, itemlen TSRMLS_CC);
! 3415: break;
! 3416:
! 3417:
! 3418: case M_SOF0:
! 3419: case M_SOF1:
! 3420: case M_SOF2:
! 3421: case M_SOF3:
! 3422: case M_SOF5:
! 3423: case M_SOF6:
! 3424: case M_SOF7:
! 3425: case M_SOF9:
! 3426: case M_SOF10:
! 3427: case M_SOF11:
! 3428: case M_SOF13:
! 3429: case M_SOF14:
! 3430: case M_SOF15:
! 3431: exif_process_SOFn(Data, marker, &sof_info);
! 3432: ImageInfo->Width = sof_info.width;
! 3433: ImageInfo->Height = sof_info.height;
! 3434: if (sof_info.num_components == 3) {
! 3435: ImageInfo->IsColor = 1;
! 3436: } else {
! 3437: ImageInfo->IsColor = 0;
! 3438: }
! 3439: break;
! 3440: default:
! 3441: /* skip any other marker silently. */
! 3442: break;
! 3443: }
! 3444:
! 3445: /* keep track of last marker */
! 3446: last_marker = marker;
! 3447: }
! 3448: #ifdef EXIF_DEBUG
! 3449: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Done");
! 3450: #endif
! 3451: return TRUE;
! 3452: }
! 3453: /* }}} */
! 3454:
! 3455: /* {{{ exif_scan_thumbnail
! 3456: * scan JPEG in thumbnail (memory) */
! 3457: static int exif_scan_thumbnail(image_info_type *ImageInfo TSRMLS_DC)
! 3458: {
! 3459: uchar c, *data = (uchar*)ImageInfo->Thumbnail.data;
! 3460: int n, marker;
! 3461: size_t length=2, pos=0;
! 3462: jpeg_sof_info sof_info;
! 3463:
! 3464: if (!data) {
! 3465: return FALSE; /* nothing to do here */
! 3466: }
! 3467: if (memcmp(data, "\xFF\xD8\xFF", 3)) {
! 3468: if (!ImageInfo->Thumbnail.width && !ImageInfo->Thumbnail.height) {
! 3469: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Thumbnail is not a JPEG image");
! 3470: }
! 3471: return FALSE;
! 3472: }
! 3473: for (;;) {
! 3474: pos += length;
! 3475: if (pos>=ImageInfo->Thumbnail.size)
! 3476: return FALSE;
! 3477: c = data[pos++];
! 3478: if (pos>=ImageInfo->Thumbnail.size)
! 3479: return FALSE;
! 3480: if (c != 0xFF) {
! 3481: return FALSE;
! 3482: }
! 3483: n = 8;
! 3484: while ((c = data[pos++]) == 0xFF && n--) {
! 3485: if (pos+3>=ImageInfo->Thumbnail.size)
! 3486: return FALSE;
! 3487: /* +3 = pos++ of next check when reaching marker + 2 bytes for length */
! 3488: }
! 3489: if (c == 0xFF)
! 3490: return FALSE;
! 3491: marker = c;
! 3492: length = php_jpg_get16(data+pos);
! 3493: if (pos+length>=ImageInfo->Thumbnail.size) {
! 3494: return FALSE;
! 3495: }
! 3496: #ifdef EXIF_DEBUG
! 3497: 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);
! 3498: #endif
! 3499: switch (marker) {
! 3500: case M_SOF0:
! 3501: case M_SOF1:
! 3502: case M_SOF2:
! 3503: case M_SOF3:
! 3504: case M_SOF5:
! 3505: case M_SOF6:
! 3506: case M_SOF7:
! 3507: case M_SOF9:
! 3508: case M_SOF10:
! 3509: case M_SOF11:
! 3510: case M_SOF13:
! 3511: case M_SOF14:
! 3512: case M_SOF15:
! 3513: /* handle SOFn block */
! 3514: exif_process_SOFn(data+pos, marker, &sof_info);
! 3515: ImageInfo->Thumbnail.height = sof_info.height;
! 3516: ImageInfo->Thumbnail.width = sof_info.width;
! 3517: #ifdef EXIF_DEBUG
! 3518: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Thumbnail: size: %d * %d", sof_info.width, sof_info.height);
! 3519: #endif
! 3520: return TRUE;
! 3521:
! 3522: case M_SOS:
! 3523: case M_EOI:
! 3524: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Could not compute size of thumbnail");
! 3525: return FALSE;
! 3526: break;
! 3527:
! 3528: default:
! 3529: /* just skip */
! 3530: break;
! 3531: }
! 3532: }
! 3533:
! 3534: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Could not compute size of thumbnail");
! 3535: return FALSE;
! 3536: }
! 3537: /* }}} */
! 3538:
! 3539: /* {{{ exif_process_IFD_in_TIFF
! 3540: * Parse the TIFF header; */
! 3541: static int exif_process_IFD_in_TIFF(image_info_type *ImageInfo, size_t dir_offset, int section_index TSRMLS_DC)
! 3542: {
! 3543: int i, sn, num_entries, sub_section_index = 0;
! 3544: unsigned char *dir_entry;
! 3545: char tagname[64];
! 3546: size_t ifd_size, dir_size, entry_offset, next_offset, entry_length, entry_value=0, fgot;
! 3547: int entry_tag , entry_type;
! 3548: tag_table_type tag_table = exif_get_tag_table(section_index);
! 3549:
! 3550: if (ImageInfo->ifd_nesting_level > MAX_IFD_NESTING_LEVEL) {
! 3551: return FALSE;
! 3552: }
! 3553:
! 3554: if (ImageInfo->FileSize >= dir_offset+2) {
! 3555: sn = exif_file_sections_add(ImageInfo, M_PSEUDO, 2, NULL);
! 3556: #ifdef EXIF_DEBUG
! 3557: 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);
! 3558: #endif
! 3559: php_stream_seek(ImageInfo->infile, dir_offset, SEEK_SET); /* we do not know the order of sections */
! 3560: php_stream_read(ImageInfo->infile, (char*)ImageInfo->file.list[sn].data, 2);
! 3561: num_entries = php_ifd_get16u(ImageInfo->file.list[sn].data, ImageInfo->motorola_intel);
! 3562: dir_size = 2/*num dir entries*/ +12/*length of entry*/*num_entries +4/* offset to next ifd (points to thumbnail or NULL)*/;
! 3563: if (ImageInfo->FileSize >= dir_offset+dir_size) {
! 3564: #ifdef EXIF_DEBUG
! 3565: 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);
! 3566: #endif
! 3567: if (exif_file_sections_realloc(ImageInfo, sn, dir_size TSRMLS_CC)) {
! 3568: return FALSE;
! 3569: }
! 3570: php_stream_read(ImageInfo->infile, (char*)(ImageInfo->file.list[sn].data+2), dir_size-2);
! 3571: /*exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Dump: %s", exif_char_dump(ImageInfo->file.list[sn].data, dir_size, 0));*/
! 3572: next_offset = php_ifd_get32u(ImageInfo->file.list[sn].data + dir_size - 4, ImageInfo->motorola_intel);
! 3573: #ifdef EXIF_DEBUG
! 3574: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF done, next offset x%04X", next_offset);
! 3575: #endif
! 3576: /* now we have the directory we can look how long it should be */
! 3577: ifd_size = dir_size;
! 3578: for(i=0;i<num_entries;i++) {
! 3579: dir_entry = ImageInfo->file.list[sn].data+2+i*12;
! 3580: entry_tag = php_ifd_get16u(dir_entry+0, ImageInfo->motorola_intel);
! 3581: entry_type = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel);
! 3582: if (entry_type > NUM_FORMATS) {
! 3583: 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(entry_tag, tagname, -12, tag_table TSRMLS_CC), entry_type);
! 3584: /* Since this is repeated in exif_process_IFD_TAG make it a notice here */
! 3585: /* and make it a warning in the exif_process_IFD_TAG which is called */
! 3586: /* elsewhere. */
! 3587: entry_type = TAG_FMT_BYTE;
! 3588: /*The next line would break the image on writeback: */
! 3589: /* php_ifd_set16u(dir_entry+2, entry_type, ImageInfo->motorola_intel);*/
! 3590: }
! 3591: entry_length = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel) * php_tiff_bytes_per_format[entry_type];
! 3592: if (entry_length <= 4) {
! 3593: switch(entry_type) {
! 3594: case TAG_FMT_USHORT:
! 3595: entry_value = php_ifd_get16u(dir_entry+8, ImageInfo->motorola_intel);
! 3596: break;
! 3597: case TAG_FMT_SSHORT:
! 3598: entry_value = php_ifd_get16s(dir_entry+8, ImageInfo->motorola_intel);
! 3599: break;
! 3600: case TAG_FMT_ULONG:
! 3601: entry_value = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel);
! 3602: break;
! 3603: case TAG_FMT_SLONG:
! 3604: entry_value = php_ifd_get32s(dir_entry+8, ImageInfo->motorola_intel);
! 3605: break;
! 3606: }
! 3607: switch(entry_tag) {
! 3608: case TAG_IMAGEWIDTH:
! 3609: case TAG_COMP_IMAGE_WIDTH:
! 3610: ImageInfo->Width = entry_value;
! 3611: break;
! 3612: case TAG_IMAGEHEIGHT:
! 3613: case TAG_COMP_IMAGE_HEIGHT:
! 3614: ImageInfo->Height = entry_value;
! 3615: break;
! 3616: case TAG_PHOTOMETRIC_INTERPRETATION:
! 3617: switch (entry_value) {
! 3618: case PMI_BLACK_IS_ZERO:
! 3619: case PMI_WHITE_IS_ZERO:
! 3620: case PMI_TRANSPARENCY_MASK:
! 3621: ImageInfo->IsColor = 0;
! 3622: break;
! 3623: case PMI_RGB:
! 3624: case PMI_PALETTE_COLOR:
! 3625: case PMI_SEPARATED:
! 3626: case PMI_YCBCR:
! 3627: case PMI_CIELAB:
! 3628: ImageInfo->IsColor = 1;
! 3629: break;
! 3630: }
! 3631: break;
! 3632: }
! 3633: } else {
! 3634: entry_offset = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel);
! 3635: /* if entry needs expading ifd cache and entry is at end of current ifd cache. */
! 3636: /* otherwise there may be huge holes between two entries */
! 3637: if (entry_offset + entry_length > dir_offset + ifd_size
! 3638: && entry_offset == dir_offset + ifd_size) {
! 3639: ifd_size = entry_offset + entry_length - dir_offset;
! 3640: #ifdef EXIF_DEBUG
! 3641: 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);
! 3642: #endif
! 3643: }
! 3644: }
! 3645: }
! 3646: if (ImageInfo->FileSize >= dir_offset + ImageInfo->file.list[sn].size) {
! 3647: if (ifd_size > dir_size) {
! 3648: if (dir_offset + ifd_size > ImageInfo->FileSize) {
! 3649: 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);
! 3650: return FALSE;
! 3651: }
! 3652: if (exif_file_sections_realloc(ImageInfo, sn, ifd_size TSRMLS_CC)) {
! 3653: return FALSE;
! 3654: }
! 3655: /* read values not stored in directory itself */
! 3656: #ifdef EXIF_DEBUG
! 3657: 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);
! 3658: #endif
! 3659: php_stream_read(ImageInfo->infile, (char*)(ImageInfo->file.list[sn].data+dir_size), ifd_size-dir_size);
! 3660: #ifdef EXIF_DEBUG
! 3661: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read from TIFF, done");
! 3662: #endif
! 3663: }
! 3664: /* now process the tags */
! 3665: for(i=0;i<num_entries;i++) {
! 3666: dir_entry = ImageInfo->file.list[sn].data+2+i*12;
! 3667: entry_tag = php_ifd_get16u(dir_entry+0, ImageInfo->motorola_intel);
! 3668: entry_type = php_ifd_get16u(dir_entry+2, ImageInfo->motorola_intel);
! 3669: /*entry_length = php_ifd_get32u(dir_entry+4, ImageInfo->motorola_intel);*/
! 3670: if (entry_tag == TAG_EXIF_IFD_POINTER ||
! 3671: entry_tag == TAG_INTEROP_IFD_POINTER ||
! 3672: entry_tag == TAG_GPS_IFD_POINTER ||
! 3673: entry_tag == TAG_SUB_IFD
! 3674: ) {
! 3675: switch(entry_tag) {
! 3676: case TAG_EXIF_IFD_POINTER:
! 3677: ImageInfo->sections_found |= FOUND_EXIF;
! 3678: sub_section_index = SECTION_EXIF;
! 3679: break;
! 3680: case TAG_GPS_IFD_POINTER:
! 3681: ImageInfo->sections_found |= FOUND_GPS;
! 3682: sub_section_index = SECTION_GPS;
! 3683: break;
! 3684: case TAG_INTEROP_IFD_POINTER:
! 3685: ImageInfo->sections_found |= FOUND_INTEROP;
! 3686: sub_section_index = SECTION_INTEROP;
! 3687: break;
! 3688: case TAG_SUB_IFD:
! 3689: ImageInfo->sections_found |= FOUND_THUMBNAIL;
! 3690: sub_section_index = SECTION_THUMBNAIL;
! 3691: break;
! 3692: }
! 3693: entry_offset = php_ifd_get32u(dir_entry+8, ImageInfo->motorola_intel);
! 3694: #ifdef EXIF_DEBUG
! 3695: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Next IFD: %s @x%04X", exif_get_sectionname(sub_section_index), entry_offset);
! 3696: #endif
! 3697: ImageInfo->ifd_nesting_level++;
! 3698: exif_process_IFD_in_TIFF(ImageInfo, entry_offset, sub_section_index TSRMLS_CC);
! 3699: if (section_index!=SECTION_THUMBNAIL && entry_tag==TAG_SUB_IFD) {
! 3700: if (ImageInfo->Thumbnail.filetype != IMAGE_FILETYPE_UNKNOWN
! 3701: && ImageInfo->Thumbnail.size
! 3702: && ImageInfo->Thumbnail.offset
! 3703: && ImageInfo->read_thumbnail
! 3704: ) {
! 3705: #ifdef EXIF_DEBUG
! 3706: 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);
! 3707: #endif
! 3708: if (!ImageInfo->Thumbnail.data) {
! 3709: ImageInfo->Thumbnail.data = safe_emalloc(ImageInfo->Thumbnail.size, 1, 0);
! 3710: php_stream_seek(ImageInfo->infile, ImageInfo->Thumbnail.offset, SEEK_SET);
! 3711: fgot = php_stream_read(ImageInfo->infile, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size);
! 3712: if (fgot < ImageInfo->Thumbnail.size) {
! 3713: EXIF_ERRLOG_THUMBEOF(ImageInfo)
! 3714: }
! 3715: exif_thumbnail_build(ImageInfo TSRMLS_CC);
! 3716: }
! 3717: }
! 3718: }
! 3719: #ifdef EXIF_DEBUG
! 3720: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Next IFD: %s done", exif_get_sectionname(sub_section_index));
! 3721: #endif
! 3722: } else {
! 3723: if (!exif_process_IFD_TAG(ImageInfo, (char*)dir_entry,
! 3724: (char*)(ImageInfo->file.list[sn].data-dir_offset),
! 3725: ifd_size, 0, section_index, 0, tag_table TSRMLS_CC)) {
! 3726: return FALSE;
! 3727: }
! 3728: }
! 3729: }
! 3730: /* If we had a thumbnail in a SUB_IFD we have ANOTHER image in NEXT IFD */
! 3731: if (next_offset && section_index != SECTION_THUMBNAIL) {
! 3732: /* this should be a thumbnail IFD */
! 3733: /* the thumbnail itself is stored at Tag=StripOffsets */
! 3734: #ifdef EXIF_DEBUG
! 3735: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read next IFD (THUMBNAIL) at x%04X", next_offset);
! 3736: #endif
! 3737: ImageInfo->ifd_nesting_level++;
! 3738: exif_process_IFD_in_TIFF(ImageInfo, next_offset, SECTION_THUMBNAIL TSRMLS_CC);
! 3739: #ifdef EXIF_DEBUG
! 3740: 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);
! 3741: #endif
! 3742: if (!ImageInfo->Thumbnail.data && ImageInfo->Thumbnail.offset && ImageInfo->Thumbnail.size && ImageInfo->read_thumbnail) {
! 3743: ImageInfo->Thumbnail.data = safe_emalloc(ImageInfo->Thumbnail.size, 1, 0);
! 3744: php_stream_seek(ImageInfo->infile, ImageInfo->Thumbnail.offset, SEEK_SET);
! 3745: fgot = php_stream_read(ImageInfo->infile, ImageInfo->Thumbnail.data, ImageInfo->Thumbnail.size);
! 3746: if (fgot < ImageInfo->Thumbnail.size) {
! 3747: EXIF_ERRLOG_THUMBEOF(ImageInfo)
! 3748: }
! 3749: exif_thumbnail_build(ImageInfo TSRMLS_CC);
! 3750: }
! 3751: #ifdef EXIF_DEBUG
! 3752: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Read next IFD (THUMBNAIL) done");
! 3753: #endif
! 3754: }
! 3755: return TRUE;
! 3756: } else {
! 3757: 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);
! 3758: return FALSE;
! 3759: }
! 3760: } else {
! 3761: 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);
! 3762: return FALSE;
! 3763: }
! 3764: } else {
! 3765: 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);
! 3766: return FALSE;
! 3767: }
! 3768: }
! 3769: /* }}} */
! 3770:
! 3771: /* {{{ exif_scan_FILE_header
! 3772: * Parse the marker stream until SOS or EOI is seen; */
! 3773: static int exif_scan_FILE_header(image_info_type *ImageInfo TSRMLS_DC)
! 3774: {
! 3775: unsigned char file_header[8];
! 3776: int ret = FALSE;
! 3777:
! 3778: ImageInfo->FileType = IMAGE_FILETYPE_UNKNOWN;
! 3779:
! 3780: if (ImageInfo->FileSize >= 2) {
! 3781: php_stream_seek(ImageInfo->infile, 0, SEEK_SET);
! 3782: if (php_stream_read(ImageInfo->infile, (char*)file_header, 2) != 2) {
! 3783: return FALSE;
! 3784: }
! 3785: if ((file_header[0]==0xff) && (file_header[1]==M_SOI)) {
! 3786: ImageInfo->FileType = IMAGE_FILETYPE_JPEG;
! 3787: if (exif_scan_JPEG_header(ImageInfo TSRMLS_CC)) {
! 3788: ret = TRUE;
! 3789: } else {
! 3790: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid JPEG file");
! 3791: }
! 3792: } else if (ImageInfo->FileSize >= 8) {
! 3793: if (php_stream_read(ImageInfo->infile, (char*)(file_header+2), 6) != 6) {
! 3794: return FALSE;
! 3795: }
! 3796: if (!memcmp(file_header, "II\x2A\x00", 4)) {
! 3797: ImageInfo->FileType = IMAGE_FILETYPE_TIFF_II;
! 3798: ImageInfo->motorola_intel = 0;
! 3799: #ifdef EXIF_DEBUG
! 3800: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "File has TIFF/II format");
! 3801: #endif
! 3802: ImageInfo->sections_found |= FOUND_IFD0;
! 3803: if (exif_process_IFD_in_TIFF(ImageInfo,
! 3804: php_ifd_get32u(file_header + 4, ImageInfo->motorola_intel),
! 3805: SECTION_IFD0 TSRMLS_CC)) {
! 3806: ret = TRUE;
! 3807: } else {
! 3808: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF file");
! 3809: }
! 3810: } else if (!memcmp(file_header, "MM\x00\x2a", 4)) {
! 3811: ImageInfo->FileType = IMAGE_FILETYPE_TIFF_MM;
! 3812: ImageInfo->motorola_intel = 1;
! 3813: #ifdef EXIF_DEBUG
! 3814: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "File has TIFF/MM format");
! 3815: #endif
! 3816: ImageInfo->sections_found |= FOUND_IFD0;
! 3817: if (exif_process_IFD_in_TIFF(ImageInfo,
! 3818: php_ifd_get32u(file_header + 4, ImageInfo->motorola_intel),
! 3819: SECTION_IFD0 TSRMLS_CC)) {
! 3820: ret = TRUE;
! 3821: } else {
! 3822: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Invalid TIFF file");
! 3823: }
! 3824: } else {
! 3825: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "File not supported");
! 3826: return FALSE;
! 3827: }
! 3828: }
! 3829: } else {
! 3830: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "File too small (%d)", ImageInfo->FileSize);
! 3831: }
! 3832: return ret;
! 3833: }
! 3834: /* }}} */
! 3835:
! 3836: /* {{{ exif_discard_imageinfo
! 3837: Discard data scanned by exif_read_file.
! 3838: */
! 3839: static int exif_discard_imageinfo(image_info_type *ImageInfo)
! 3840: {
! 3841: int i;
! 3842:
! 3843: EFREE_IF(ImageInfo->FileName);
! 3844: EFREE_IF(ImageInfo->UserComment);
! 3845: EFREE_IF(ImageInfo->UserCommentEncoding);
! 3846: EFREE_IF(ImageInfo->Copyright);
! 3847: EFREE_IF(ImageInfo->CopyrightPhotographer);
! 3848: EFREE_IF(ImageInfo->CopyrightEditor);
! 3849: EFREE_IF(ImageInfo->Thumbnail.data);
! 3850: EFREE_IF(ImageInfo->encode_unicode);
! 3851: EFREE_IF(ImageInfo->decode_unicode_be);
! 3852: EFREE_IF(ImageInfo->decode_unicode_le);
! 3853: EFREE_IF(ImageInfo->encode_jis);
! 3854: EFREE_IF(ImageInfo->decode_jis_be);
! 3855: EFREE_IF(ImageInfo->decode_jis_le);
! 3856: EFREE_IF(ImageInfo->make);
! 3857: EFREE_IF(ImageInfo->model);
! 3858: for (i=0; i<ImageInfo->xp_fields.count; i++) {
! 3859: EFREE_IF(ImageInfo->xp_fields.list[i].value);
! 3860: }
! 3861: EFREE_IF(ImageInfo->xp_fields.list);
! 3862: for (i=0; i<SECTION_COUNT; i++) {
! 3863: exif_iif_free(ImageInfo, i);
! 3864: }
! 3865: exif_file_sections_free(ImageInfo);
! 3866: memset(ImageInfo, 0, sizeof(*ImageInfo));
! 3867: return TRUE;
! 3868: }
! 3869: /* }}} */
! 3870:
! 3871: /* {{{ exif_read_file
! 3872: */
! 3873: static int exif_read_file(image_info_type *ImageInfo, char *FileName, int read_thumbnail, int read_all TSRMLS_DC)
! 3874: {
! 3875: int ret;
! 3876: struct stat st;
! 3877:
! 3878: /* Start with an empty image information structure. */
! 3879: memset(ImageInfo, 0, sizeof(*ImageInfo));
! 3880:
! 3881: ImageInfo->motorola_intel = -1; /* flag as unknown */
! 3882:
! 3883: ImageInfo->infile = php_stream_open_wrapper(FileName, "rb", STREAM_MUST_SEEK|IGNORE_PATH|ENFORCE_SAFE_MODE, NULL);
! 3884: if (!ImageInfo->infile) {
! 3885: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Unable to open file");
! 3886: return FALSE;
! 3887: }
! 3888:
! 3889: if (php_stream_is(ImageInfo->infile, PHP_STREAM_IS_STDIO)) {
! 3890: if (VCWD_STAT(FileName, &st) >= 0) {
! 3891: if ((st.st_mode & S_IFMT) != S_IFREG) {
! 3892: exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_WARNING, "Not a file");
! 3893: php_stream_close(ImageInfo->infile);
! 3894: return FALSE;
! 3895: }
! 3896:
! 3897: /* Store file date/time. */
! 3898: ImageInfo->FileDateTime = st.st_mtime;
! 3899: ImageInfo->FileSize = st.st_size;
! 3900: /*exif_error_docref(NULL EXIFERR_CC, ImageInfo, E_NOTICE, "Opened stream is file: %d", ImageInfo->FileSize);*/
! 3901: }
! 3902: } else {
! 3903: if (!ImageInfo->FileSize) {
! 3904: php_stream_seek(ImageInfo->infile, 0, SEEK_END);
! 3905: ImageInfo->FileSize = php_stream_tell(ImageInfo->infile);
! 3906: php_stream_seek(ImageInfo->infile, 0, SEEK_SET);
! 3907: }
! 3908: }
! 3909:
! 3910: php_basename(FileName, strlen(FileName), NULL, 0, &(ImageInfo->FileName), NULL TSRMLS_CC);
! 3911: ImageInfo->read_thumbnail = read_thumbnail;
! 3912: ImageInfo->read_all = read_all;
! 3913: ImageInfo->Thumbnail.filetype = IMAGE_FILETYPE_UNKNOWN;
! 3914:
! 3915: ImageInfo->encode_unicode = safe_estrdup(EXIF_G(encode_unicode));
! 3916: ImageInfo->decode_unicode_be = safe_estrdup(EXIF_G(decode_unicode_be));
! 3917: ImageInfo->decode_unicode_le = safe_estrdup(EXIF_G(decode_unicode_le));
! 3918: ImageInfo->encode_jis = safe_estrdup(EXIF_G(encode_jis));
! 3919: ImageInfo->decode_jis_be = safe_estrdup(EXIF_G(decode_jis_be));
! 3920: ImageInfo->decode_jis_le = safe_estrdup(EXIF_G(decode_jis_le));
! 3921:
! 3922:
! 3923: ImageInfo->ifd_nesting_level = 0;
! 3924:
! 3925: /* Scan the JPEG headers. */
! 3926: ret = exif_scan_FILE_header(ImageInfo TSRMLS_CC);
! 3927:
! 3928: php_stream_close(ImageInfo->infile);
! 3929: return ret;
! 3930: }
! 3931: /* }}} */
! 3932:
! 3933: /* {{{ proto array exif_read_data(string filename [, sections_needed [, sub_arrays[, read_thumbnail]]])
! 3934: Reads header data from the JPEG/TIFF image filename and optionally reads the internal thumbnails */
! 3935: PHP_FUNCTION(exif_read_data)
! 3936: {
! 3937: char *p_name, *p_sections_needed = NULL;
! 3938: int p_name_len, p_sections_needed_len = 0;
! 3939: zend_bool sub_arrays=0, read_thumbnail=0, read_all=0;
! 3940:
! 3941: int i, ret, sections_needed=0;
! 3942: image_info_type ImageInfo;
! 3943: char tmp[64], *sections_str, *s;
! 3944:
! 3945: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|sbb", &p_name, &p_name_len, &p_sections_needed, &p_sections_needed_len, &sub_arrays, &read_thumbnail) == FAILURE) {
! 3946: return;
! 3947: }
! 3948:
! 3949: memset(&ImageInfo, 0, sizeof(ImageInfo));
! 3950:
! 3951: if (p_sections_needed) {
! 3952: spprintf(§ions_str, 0, ",%s,", p_sections_needed);
! 3953: /* sections_str DOES start with , and SPACES are NOT allowed in names */
! 3954: s = sections_str;
! 3955: while (*++s) {
! 3956: if (*s == ' ') {
! 3957: *s = ',';
! 3958: }
! 3959: }
! 3960:
! 3961: for (i = 0; i < SECTION_COUNT; i++) {
! 3962: snprintf(tmp, sizeof(tmp), ",%s,", exif_get_sectionname(i));
! 3963: if (strstr(sections_str, tmp)) {
! 3964: sections_needed |= 1<<i;
! 3965: }
! 3966: }
! 3967: EFREE_IF(sections_str);
! 3968: /* now see what we need */
! 3969: #ifdef EXIF_DEBUG
! 3970: sections_str = exif_get_sectionlist(sections_needed TSRMLS_CC);
! 3971: if (!sections_str) {
! 3972: RETURN_FALSE;
! 3973: }
! 3974: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Sections needed: %s", sections_str[0] ? sections_str : "None");
! 3975: EFREE_IF(sections_str);
! 3976: #endif
! 3977: }
! 3978:
! 3979: ret = exif_read_file(&ImageInfo, p_name, read_thumbnail, read_all TSRMLS_CC);
! 3980: sections_str = exif_get_sectionlist(ImageInfo.sections_found TSRMLS_CC);
! 3981:
! 3982: #ifdef EXIF_DEBUG
! 3983: if (sections_str)
! 3984: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Sections found: %s", sections_str[0] ? sections_str : "None");
! 3985: #endif
! 3986:
! 3987: ImageInfo.sections_found |= FOUND_COMPUTED|FOUND_FILE;/* do not inform about in debug*/
! 3988:
! 3989: if (ret == FALSE || (sections_needed && !(sections_needed&ImageInfo.sections_found))) {
! 3990: /* array_init must be checked at last! otherwise the array must be freed if a later test fails. */
! 3991: exif_discard_imageinfo(&ImageInfo);
! 3992: EFREE_IF(sections_str);
! 3993: RETURN_FALSE;
! 3994: }
! 3995:
! 3996: array_init(return_value);
! 3997:
! 3998: #ifdef EXIF_DEBUG
! 3999: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Generate section FILE");
! 4000: #endif
! 4001:
! 4002: /* now we can add our information */
! 4003: exif_iif_add_str(&ImageInfo, SECTION_FILE, "FileName", ImageInfo.FileName TSRMLS_CC);
! 4004: exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileDateTime", ImageInfo.FileDateTime TSRMLS_CC);
! 4005: exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileSize", ImageInfo.FileSize TSRMLS_CC);
! 4006: exif_iif_add_int(&ImageInfo, SECTION_FILE, "FileType", ImageInfo.FileType TSRMLS_CC);
! 4007: exif_iif_add_str(&ImageInfo, SECTION_FILE, "MimeType", (char*)php_image_type_to_mime_type(ImageInfo.FileType) TSRMLS_CC);
! 4008: exif_iif_add_str(&ImageInfo, SECTION_FILE, "SectionsFound", sections_str ? sections_str : "NONE" TSRMLS_CC);
! 4009:
! 4010: #ifdef EXIF_DEBUG
! 4011: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Generate section COMPUTED");
! 4012: #endif
! 4013:
! 4014: if (ImageInfo.Width>0 && ImageInfo.Height>0) {
! 4015: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "html" TSRMLS_CC, "width=\"%d\" height=\"%d\"", ImageInfo.Width, ImageInfo.Height);
! 4016: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Height", ImageInfo.Height TSRMLS_CC);
! 4017: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Width", ImageInfo.Width TSRMLS_CC);
! 4018: }
! 4019: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "IsColor", ImageInfo.IsColor TSRMLS_CC);
! 4020: if (ImageInfo.motorola_intel != -1) {
! 4021: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "ByteOrderMotorola", ImageInfo.motorola_intel TSRMLS_CC);
! 4022: }
! 4023: if (ImageInfo.FocalLength) {
! 4024: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "FocalLength" TSRMLS_CC, "%4.1Fmm", ImageInfo.FocalLength);
! 4025: if(ImageInfo.CCDWidth) {
! 4026: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "35mmFocalLength" TSRMLS_CC, "%dmm", (int)(ImageInfo.FocalLength/ImageInfo.CCDWidth*35+0.5));
! 4027: }
! 4028: }
! 4029: if(ImageInfo.CCDWidth) {
! 4030: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "CCDWidth" TSRMLS_CC, "%dmm", (int)ImageInfo.CCDWidth);
! 4031: }
! 4032: if(ImageInfo.ExposureTime>0) {
! 4033: if(ImageInfo.ExposureTime <= 0.5) {
! 4034: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime" TSRMLS_CC, "%0.3F s (1/%d)", ImageInfo.ExposureTime, (int)(0.5 + 1/ImageInfo.ExposureTime));
! 4035: } else {
! 4036: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ExposureTime" TSRMLS_CC, "%0.3F s", ImageInfo.ExposureTime);
! 4037: }
! 4038: }
! 4039: if(ImageInfo.ApertureFNumber) {
! 4040: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "ApertureFNumber" TSRMLS_CC, "f/%.1F", ImageInfo.ApertureFNumber);
! 4041: }
! 4042: if(ImageInfo.Distance) {
! 4043: if(ImageInfo.Distance<0) {
! 4044: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "FocusDistance", "Infinite" TSRMLS_CC);
! 4045: } else {
! 4046: exif_iif_add_fmt(&ImageInfo, SECTION_COMPUTED, "FocusDistance" TSRMLS_CC, "%0.2Fm", ImageInfo.Distance);
! 4047: }
! 4048: }
! 4049: if (ImageInfo.UserComment) {
! 4050: exif_iif_add_buffer(&ImageInfo, SECTION_COMPUTED, "UserComment", ImageInfo.UserCommentLength, ImageInfo.UserComment TSRMLS_CC);
! 4051: if (ImageInfo.UserCommentEncoding && strlen(ImageInfo.UserCommentEncoding)) {
! 4052: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "UserCommentEncoding", ImageInfo.UserCommentEncoding TSRMLS_CC);
! 4053: }
! 4054: }
! 4055:
! 4056: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright", ImageInfo.Copyright TSRMLS_CC);
! 4057: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright.Photographer", ImageInfo.CopyrightPhotographer TSRMLS_CC);
! 4058: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Copyright.Editor", ImageInfo.CopyrightEditor TSRMLS_CC);
! 4059:
! 4060: for (i=0; i<ImageInfo.xp_fields.count; i++) {
! 4061: exif_iif_add_str(&ImageInfo, SECTION_WINXP, exif_get_tagname(ImageInfo.xp_fields.list[i].tag, NULL, 0, exif_get_tag_table(SECTION_WINXP) TSRMLS_CC), ImageInfo.xp_fields.list[i].value TSRMLS_CC);
! 4062: }
! 4063: if (ImageInfo.Thumbnail.size) {
! 4064: if (read_thumbnail) {
! 4065: /* not exif_iif_add_str : this is a buffer */
! 4066: exif_iif_add_tag(&ImageInfo, SECTION_THUMBNAIL, "THUMBNAIL", TAG_NONE, TAG_FMT_UNDEFINED, ImageInfo.Thumbnail.size, ImageInfo.Thumbnail.data TSRMLS_CC);
! 4067: }
! 4068: if (!ImageInfo.Thumbnail.width || !ImageInfo.Thumbnail.height) {
! 4069: /* try to evaluate if thumbnail data is present */
! 4070: exif_scan_thumbnail(&ImageInfo TSRMLS_CC);
! 4071: }
! 4072: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.FileType", ImageInfo.Thumbnail.filetype TSRMLS_CC);
! 4073: exif_iif_add_str(&ImageInfo, SECTION_COMPUTED, "Thumbnail.MimeType", (char*)php_image_type_to_mime_type(ImageInfo.Thumbnail.filetype) TSRMLS_CC);
! 4074: }
! 4075: if (ImageInfo.Thumbnail.width && ImageInfo.Thumbnail.height) {
! 4076: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.Height", ImageInfo.Thumbnail.height TSRMLS_CC);
! 4077: exif_iif_add_int(&ImageInfo, SECTION_COMPUTED, "Thumbnail.Width", ImageInfo.Thumbnail.width TSRMLS_CC);
! 4078: }
! 4079: EFREE_IF(sections_str);
! 4080:
! 4081: #ifdef EXIF_DEBUG
! 4082: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Adding image infos");
! 4083: #endif
! 4084:
! 4085: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_FILE TSRMLS_CC);
! 4086: add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_COMPUTED TSRMLS_CC);
! 4087: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_ANY_TAG TSRMLS_CC);
! 4088: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_IFD0 TSRMLS_CC);
! 4089: add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_THUMBNAIL TSRMLS_CC);
! 4090: add_assoc_image_info(return_value, 1, &ImageInfo, SECTION_COMMENT TSRMLS_CC);
! 4091: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_EXIF TSRMLS_CC);
! 4092: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_GPS TSRMLS_CC);
! 4093: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_INTEROP TSRMLS_CC);
! 4094: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_FPIX TSRMLS_CC);
! 4095: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_APP12 TSRMLS_CC);
! 4096: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_WINXP TSRMLS_CC);
! 4097: add_assoc_image_info(return_value, sub_arrays, &ImageInfo, SECTION_MAKERNOTE TSRMLS_CC);
! 4098:
! 4099: #ifdef EXIF_DEBUG
! 4100: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Discarding info");
! 4101: #endif
! 4102:
! 4103: exif_discard_imageinfo(&ImageInfo);
! 4104:
! 4105: #ifdef EXIF_DEBUG
! 4106: php_error_docref1(NULL TSRMLS_CC, Z_STRVAL_PP(p_name), E_NOTICE, "done");
! 4107: #endif
! 4108: }
! 4109: /* }}} */
! 4110:
! 4111: /* {{{ proto string exif_thumbnail(string filename [, &width, &height [, &imagetype]])
! 4112: Reads the embedded thumbnail */
! 4113: PHP_FUNCTION(exif_thumbnail)
! 4114: {
! 4115: zval *p_width = 0, *p_height = 0, *p_imagetype = 0;
! 4116: char *p_name;
! 4117: int p_name_len, ret, arg_c = ZEND_NUM_ARGS();
! 4118: image_info_type ImageInfo;
! 4119:
! 4120: memset(&ImageInfo, 0, sizeof(ImageInfo));
! 4121:
! 4122: if (arg_c!=1 && arg_c!=3 && arg_c!=4) {
! 4123: WRONG_PARAM_COUNT;
! 4124: }
! 4125:
! 4126: if (zend_parse_parameters(arg_c TSRMLS_CC, "s|z/z/z/", &p_name, &p_name_len, &p_width, &p_height, &p_imagetype) == FAILURE) {
! 4127: return;
! 4128: }
! 4129:
! 4130: ret = exif_read_file(&ImageInfo, p_name, 1, 0 TSRMLS_CC);
! 4131: if (ret==FALSE) {
! 4132: exif_discard_imageinfo(&ImageInfo);
! 4133: RETURN_FALSE;
! 4134: }
! 4135:
! 4136: #ifdef EXIF_DEBUG
! 4137: 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);
! 4138: #endif
! 4139: if (!ImageInfo.Thumbnail.data || !ImageInfo.Thumbnail.size) {
! 4140: exif_discard_imageinfo(&ImageInfo);
! 4141: RETURN_FALSE;
! 4142: }
! 4143:
! 4144: #ifdef EXIF_DEBUG
! 4145: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Returning thumbnail(%d)", ImageInfo.Thumbnail.size);
! 4146: #endif
! 4147:
! 4148: ZVAL_STRINGL(return_value, ImageInfo.Thumbnail.data, ImageInfo.Thumbnail.size, 1);
! 4149: if (arg_c >= 3) {
! 4150: if (!ImageInfo.Thumbnail.width || !ImageInfo.Thumbnail.height) {
! 4151: exif_scan_thumbnail(&ImageInfo TSRMLS_CC);
! 4152: }
! 4153: zval_dtor(p_width);
! 4154: zval_dtor(p_height);
! 4155: ZVAL_LONG(p_width, ImageInfo.Thumbnail.width);
! 4156: ZVAL_LONG(p_height, ImageInfo.Thumbnail.height);
! 4157: }
! 4158: if (arg_c >= 4) {
! 4159: zval_dtor(p_imagetype);
! 4160: ZVAL_LONG(p_imagetype, ImageInfo.Thumbnail.filetype);
! 4161: }
! 4162:
! 4163: #ifdef EXIF_DEBUG
! 4164: exif_error_docref(NULL EXIFERR_CC, &ImageInfo, E_NOTICE, "Discarding info");
! 4165: #endif
! 4166:
! 4167: exif_discard_imageinfo(&ImageInfo);
! 4168:
! 4169: #ifdef EXIF_DEBUG
! 4170: php_error_docref1(NULL TSRMLS_CC, p_name, E_NOTICE, "Done");
! 4171: #endif
! 4172: }
! 4173: /* }}} */
! 4174:
! 4175: /* {{{ proto int exif_imagetype(string imagefile)
! 4176: Get the type of an image */
! 4177: PHP_FUNCTION(exif_imagetype)
! 4178: {
! 4179: char *imagefile;
! 4180: int imagefile_len;
! 4181: php_stream * stream;
! 4182: int itype = 0;
! 4183:
! 4184: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &imagefile, &imagefile_len) == FAILURE) {
! 4185: return;
! 4186: }
! 4187:
! 4188: stream = php_stream_open_wrapper(imagefile, "rb", IGNORE_PATH|ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL);
! 4189:
! 4190: if (stream == NULL) {
! 4191: RETURN_FALSE;
! 4192: }
! 4193:
! 4194: itype = php_getimagetype(stream, NULL TSRMLS_CC);
! 4195:
! 4196: php_stream_close(stream);
! 4197:
! 4198: if (itype == IMAGE_FILETYPE_UNKNOWN) {
! 4199: RETURN_FALSE;
! 4200: } else {
! 4201: ZVAL_LONG(return_value, itype);
! 4202: }
! 4203: }
! 4204: /* }}} */
! 4205:
! 4206: #endif
! 4207:
! 4208: /*
! 4209: * Local variables:
! 4210: * tab-width: 4
! 4211: * c-basic-offset: 4
! 4212: * End:
! 4213: * vim600: sw=4 ts=4 tw=78 fdm=marker
! 4214: * vim<600: sw=4 ts=4 tw=78
! 4215: */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to exif.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / php / ext / exif