Annotation of embedaddon/php/ext/standard/var_unserializer.re, 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: | Author: Sascha Schumann <sascha@schumann.cx> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: var_unserializer.re 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: #include "php.h"
! 22: #include "ext/standard/php_var.h"
! 23: #include "php_incomplete_class.h"
! 24:
! 25: /* {{{ reference-handling for unserializer: var_* */
! 26: #define VAR_ENTRIES_MAX 1024
! 27:
! 28: typedef struct {
! 29: zval *data[VAR_ENTRIES_MAX];
! 30: long used_slots;
! 31: void *next;
! 32: } var_entries;
! 33:
! 34: static inline void var_push(php_unserialize_data_t *var_hashx, zval **rval)
! 35: {
! 36: var_entries *var_hash = var_hashx->first, *prev = NULL;
! 37:
! 38: while (var_hash && var_hash->used_slots == VAR_ENTRIES_MAX) {
! 39: prev = var_hash;
! 40: var_hash = var_hash->next;
! 41: }
! 42:
! 43: if (!var_hash) {
! 44: var_hash = emalloc(sizeof(var_entries));
! 45: var_hash->used_slots = 0;
! 46: var_hash->next = 0;
! 47:
! 48: if (!var_hashx->first)
! 49: var_hashx->first = var_hash;
! 50: else
! 51: prev->next = var_hash;
! 52: }
! 53:
! 54: var_hash->data[var_hash->used_slots++] = *rval;
! 55: }
! 56:
! 57: PHPAPI void var_push_dtor(php_unserialize_data_t *var_hashx, zval **rval)
! 58: {
! 59: var_entries *var_hash = var_hashx->first_dtor, *prev = NULL;
! 60:
! 61: while (var_hash && var_hash->used_slots == VAR_ENTRIES_MAX) {
! 62: prev = var_hash;
! 63: var_hash = var_hash->next;
! 64: }
! 65:
! 66: if (!var_hash) {
! 67: var_hash = emalloc(sizeof(var_entries));
! 68: var_hash->used_slots = 0;
! 69: var_hash->next = 0;
! 70:
! 71: if (!var_hashx->first_dtor)
! 72: var_hashx->first_dtor = var_hash;
! 73: else
! 74: prev->next = var_hash;
! 75: }
! 76:
! 77: Z_ADDREF_PP(rval);
! 78: var_hash->data[var_hash->used_slots++] = *rval;
! 79: }
! 80:
! 81: PHPAPI void var_replace(php_unserialize_data_t *var_hashx, zval *ozval, zval **nzval)
! 82: {
! 83: long i;
! 84: var_entries *var_hash = var_hashx->first;
! 85:
! 86: while (var_hash) {
! 87: for (i = 0; i < var_hash->used_slots; i++) {
! 88: if (var_hash->data[i] == ozval) {
! 89: var_hash->data[i] = *nzval;
! 90: /* do not break here */
! 91: }
! 92: }
! 93: var_hash = var_hash->next;
! 94: }
! 95: }
! 96:
! 97: static int var_access(php_unserialize_data_t *var_hashx, long id, zval ***store)
! 98: {
! 99: var_entries *var_hash = var_hashx->first;
! 100:
! 101: while (id >= VAR_ENTRIES_MAX && var_hash && var_hash->used_slots == VAR_ENTRIES_MAX) {
! 102: var_hash = var_hash->next;
! 103: id -= VAR_ENTRIES_MAX;
! 104: }
! 105:
! 106: if (!var_hash) return !SUCCESS;
! 107:
! 108: if (id < 0 || id >= var_hash->used_slots) return !SUCCESS;
! 109:
! 110: *store = &var_hash->data[id];
! 111:
! 112: return SUCCESS;
! 113: }
! 114:
! 115: PHPAPI void var_destroy(php_unserialize_data_t *var_hashx)
! 116: {
! 117: void *next;
! 118: long i;
! 119: var_entries *var_hash = var_hashx->first;
! 120:
! 121: while (var_hash) {
! 122: next = var_hash->next;
! 123: efree(var_hash);
! 124: var_hash = next;
! 125: }
! 126:
! 127: var_hash = var_hashx->first_dtor;
! 128:
! 129: while (var_hash) {
! 130: for (i = 0; i < var_hash->used_slots; i++) {
! 131: zval_ptr_dtor(&var_hash->data[i]);
! 132: }
! 133: next = var_hash->next;
! 134: efree(var_hash);
! 135: var_hash = next;
! 136: }
! 137: }
! 138:
! 139: /* }}} */
! 140:
! 141: static char *unserialize_str(const unsigned char **p, size_t *len, size_t maxlen)
! 142: {
! 143: size_t i, j;
! 144: char *str = safe_emalloc(*len, 1, 1);
! 145: unsigned char *end = *(unsigned char **)p+maxlen;
! 146:
! 147: if (end < *p) {
! 148: efree(str);
! 149: return NULL;
! 150: }
! 151:
! 152: for (i = 0; i < *len; i++) {
! 153: if (*p >= end) {
! 154: efree(str);
! 155: return NULL;
! 156: }
! 157: if (**p != '\\') {
! 158: str[i] = (char)**p;
! 159: } else {
! 160: unsigned char ch = 0;
! 161:
! 162: for (j = 0; j < 2; j++) {
! 163: (*p)++;
! 164: if (**p >= '0' && **p <= '9') {
! 165: ch = (ch << 4) + (**p -'0');
! 166: } else if (**p >= 'a' && **p <= 'f') {
! 167: ch = (ch << 4) + (**p -'a'+10);
! 168: } else if (**p >= 'A' && **p <= 'F') {
! 169: ch = (ch << 4) + (**p -'A'+10);
! 170: } else {
! 171: efree(str);
! 172: return NULL;
! 173: }
! 174: }
! 175: str[i] = (char)ch;
! 176: }
! 177: (*p)++;
! 178: }
! 179: str[i] = 0;
! 180: *len = i;
! 181: return str;
! 182: }
! 183:
! 184: #define YYFILL(n) do { } while (0)
! 185: #define YYCTYPE unsigned char
! 186: #define YYCURSOR cursor
! 187: #define YYLIMIT limit
! 188: #define YYMARKER marker
! 189:
! 190:
! 191: /*!re2c
! 192: uiv = [+]? [0-9]+;
! 193: iv = [+-]? [0-9]+;
! 194: nv = [+-]? ([0-9]* "." [0-9]+|[0-9]+ "." [0-9]*);
! 195: nvexp = (iv | nv) [eE] [+-]? iv;
! 196: any = [\000-\377];
! 197: object = [OC];
! 198: */
! 199:
! 200:
! 201:
! 202: static inline long parse_iv2(const unsigned char *p, const unsigned char **q)
! 203: {
! 204: char cursor;
! 205: long result = 0;
! 206: int neg = 0;
! 207:
! 208: switch (*p) {
! 209: case '-':
! 210: neg++;
! 211: /* fall-through */
! 212: case '+':
! 213: p++;
! 214: }
! 215:
! 216: while (1) {
! 217: cursor = (char)*p;
! 218: if (cursor >= '0' && cursor <= '9') {
! 219: result = result * 10 + (size_t)(cursor - (unsigned char)'0');
! 220: } else {
! 221: break;
! 222: }
! 223: p++;
! 224: }
! 225: if (q) *q = p;
! 226: if (neg) return -result;
! 227: return result;
! 228: }
! 229:
! 230: static inline long parse_iv(const unsigned char *p)
! 231: {
! 232: return parse_iv2(p, NULL);
! 233: }
! 234:
! 235: /* no need to check for length - re2c already did */
! 236: static inline size_t parse_uiv(const unsigned char *p)
! 237: {
! 238: unsigned char cursor;
! 239: size_t result = 0;
! 240:
! 241: if (*p == '+') {
! 242: p++;
! 243: }
! 244:
! 245: while (1) {
! 246: cursor = *p;
! 247: if (cursor >= '0' && cursor <= '9') {
! 248: result = result * 10 + (size_t)(cursor - (unsigned char)'0');
! 249: } else {
! 250: break;
! 251: }
! 252: p++;
! 253: }
! 254: return result;
! 255: }
! 256:
! 257: #define UNSERIALIZE_PARAMETER zval **rval, const unsigned char **p, const unsigned char *max, php_unserialize_data_t *var_hash TSRMLS_DC
! 258: #define UNSERIALIZE_PASSTHRU rval, p, max, var_hash TSRMLS_CC
! 259:
! 260: static inline int process_nested_data(UNSERIALIZE_PARAMETER, HashTable *ht, long elements, int objprops)
! 261: {
! 262: while (elements-- > 0) {
! 263: zval *key, *data, **old_data;
! 264:
! 265: ALLOC_INIT_ZVAL(key);
! 266:
! 267: if (!php_var_unserialize(&key, p, max, NULL TSRMLS_CC)) {
! 268: zval_dtor(key);
! 269: FREE_ZVAL(key);
! 270: return 0;
! 271: }
! 272:
! 273: if (Z_TYPE_P(key) != IS_LONG && Z_TYPE_P(key) != IS_STRING) {
! 274: zval_dtor(key);
! 275: FREE_ZVAL(key);
! 276: return 0;
! 277: }
! 278:
! 279: ALLOC_INIT_ZVAL(data);
! 280:
! 281: if (!php_var_unserialize(&data, p, max, var_hash TSRMLS_CC)) {
! 282: zval_dtor(key);
! 283: FREE_ZVAL(key);
! 284: zval_dtor(data);
! 285: FREE_ZVAL(data);
! 286: return 0;
! 287: }
! 288:
! 289: if (!objprops) {
! 290: switch (Z_TYPE_P(key)) {
! 291: case IS_LONG:
! 292: if (zend_hash_index_find(ht, Z_LVAL_P(key), (void **)&old_data)==SUCCESS) {
! 293: var_push_dtor(var_hash, old_data);
! 294: }
! 295: zend_hash_index_update(ht, Z_LVAL_P(key), &data, sizeof(data), NULL);
! 296: break;
! 297: case IS_STRING:
! 298: if (zend_symtable_find(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, (void **)&old_data)==SUCCESS) {
! 299: var_push_dtor(var_hash, old_data);
! 300: }
! 301: zend_symtable_update(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, &data, sizeof(data), NULL);
! 302: break;
! 303: }
! 304: } else {
! 305: /* object properties should include no integers */
! 306: convert_to_string(key);
! 307: zend_hash_update(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, &data,
! 308: sizeof data, NULL);
! 309: }
! 310:
! 311: zval_dtor(key);
! 312: FREE_ZVAL(key);
! 313:
! 314: if (elements && *(*p-1) != ';' && *(*p-1) != '}') {
! 315: (*p)--;
! 316: return 0;
! 317: }
! 318: }
! 319:
! 320: return 1;
! 321: }
! 322:
! 323: static inline int finish_nested_data(UNSERIALIZE_PARAMETER)
! 324: {
! 325: if (*((*p)++) == '}')
! 326: return 1;
! 327:
! 328: #if SOMETHING_NEW_MIGHT_LEAD_TO_CRASH_ENABLE_IF_YOU_ARE_BRAVE
! 329: zval_ptr_dtor(rval);
! 330: #endif
! 331: return 0;
! 332: }
! 333:
! 334: static inline int object_custom(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
! 335: {
! 336: long datalen;
! 337:
! 338: datalen = parse_iv2((*p) + 2, p);
! 339:
! 340: (*p) += 2;
! 341:
! 342: if (datalen < 0 || (*p) + datalen >= max) {
! 343: zend_error(E_WARNING, "Insufficient data for unserializing - %ld required, %ld present", datalen, (long)(max - (*p)));
! 344: return 0;
! 345: }
! 346:
! 347: if (ce->unserialize == NULL) {
! 348: zend_error(E_WARNING, "Class %s has no unserializer", ce->name);
! 349: object_init_ex(*rval, ce);
! 350: } else if (ce->unserialize(rval, ce, (const unsigned char*)*p, datalen, (zend_unserialize_data *)var_hash TSRMLS_CC) != SUCCESS) {
! 351: return 0;
! 352: }
! 353:
! 354: (*p) += datalen;
! 355:
! 356: return finish_nested_data(UNSERIALIZE_PASSTHRU);
! 357: }
! 358:
! 359: static inline long object_common1(UNSERIALIZE_PARAMETER, zend_class_entry *ce)
! 360: {
! 361: long elements;
! 362:
! 363: elements = parse_iv2((*p) + 2, p);
! 364:
! 365: (*p) += 2;
! 366:
! 367: object_init_ex(*rval, ce);
! 368: return elements;
! 369: }
! 370:
! 371: static inline int object_common2(UNSERIALIZE_PARAMETER, long elements)
! 372: {
! 373: zval *retval_ptr = NULL;
! 374: zval fname;
! 375:
! 376: if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_OBJPROP_PP(rval), elements, 1)) {
! 377: return 0;
! 378: }
! 379:
! 380: if (Z_OBJCE_PP(rval) != PHP_IC_ENTRY &&
! 381: zend_hash_exists(&Z_OBJCE_PP(rval)->function_table, "__wakeup", sizeof("__wakeup"))) {
! 382: INIT_PZVAL(&fname);
! 383: ZVAL_STRINGL(&fname, "__wakeup", sizeof("__wakeup") - 1, 0);
! 384: call_user_function_ex(CG(function_table), rval, &fname, &retval_ptr, 0, 0, 1, NULL TSRMLS_CC);
! 385: }
! 386:
! 387: if (retval_ptr)
! 388: zval_ptr_dtor(&retval_ptr);
! 389:
! 390: return finish_nested_data(UNSERIALIZE_PASSTHRU);
! 391:
! 392: }
! 393:
! 394: PHPAPI int php_var_unserialize(UNSERIALIZE_PARAMETER)
! 395: {
! 396: const unsigned char *cursor, *limit, *marker, *start;
! 397: zval **rval_ref;
! 398:
! 399: limit = cursor = *p;
! 400:
! 401: if (var_hash && cursor[0] != 'R') {
! 402: var_push(var_hash, rval);
! 403: }
! 404:
! 405: start = cursor;
! 406:
! 407:
! 408:
! 409: /*!re2c
! 410:
! 411: "R:" iv ";" {
! 412: long id;
! 413:
! 414: *p = YYCURSOR;
! 415: if (!var_hash) return 0;
! 416:
! 417: id = parse_iv(start + 2) - 1;
! 418: if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
! 419: return 0;
! 420: }
! 421:
! 422: if (*rval != NULL) {
! 423: zval_ptr_dtor(rval);
! 424: }
! 425: *rval = *rval_ref;
! 426: Z_ADDREF_PP(rval);
! 427: Z_SET_ISREF_PP(rval);
! 428:
! 429: return 1;
! 430: }
! 431:
! 432: "r:" iv ";" {
! 433: long id;
! 434:
! 435: *p = YYCURSOR;
! 436: if (!var_hash) return 0;
! 437:
! 438: id = parse_iv(start + 2) - 1;
! 439: if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) {
! 440: return 0;
! 441: }
! 442:
! 443: if (*rval == *rval_ref) return 0;
! 444:
! 445: if (*rval != NULL) {
! 446: zval_ptr_dtor(rval);
! 447: }
! 448: *rval = *rval_ref;
! 449: Z_ADDREF_PP(rval);
! 450: Z_UNSET_ISREF_PP(rval);
! 451:
! 452: return 1;
! 453: }
! 454:
! 455: "N;" {
! 456: *p = YYCURSOR;
! 457: INIT_PZVAL(*rval);
! 458: ZVAL_NULL(*rval);
! 459: return 1;
! 460: }
! 461:
! 462: "b:" [01] ";" {
! 463: *p = YYCURSOR;
! 464: INIT_PZVAL(*rval);
! 465: ZVAL_BOOL(*rval, parse_iv(start + 2));
! 466: return 1;
! 467: }
! 468:
! 469: "i:" iv ";" {
! 470: #if SIZEOF_LONG == 4
! 471: int digits = YYCURSOR - start - 3;
! 472:
! 473: if (start[2] == '-' || start[2] == '+') {
! 474: digits--;
! 475: }
! 476:
! 477: /* Use double for large long values that were serialized on a 64-bit system */
! 478: if (digits >= MAX_LENGTH_OF_LONG - 1) {
! 479: if (digits == MAX_LENGTH_OF_LONG - 1) {
! 480: int cmp = strncmp(YYCURSOR - MAX_LENGTH_OF_LONG, long_min_digits, MAX_LENGTH_OF_LONG - 1);
! 481:
! 482: if (!(cmp < 0 || (cmp == 0 && start[2] == '-'))) {
! 483: goto use_double;
! 484: }
! 485: } else {
! 486: goto use_double;
! 487: }
! 488: }
! 489: #endif
! 490: *p = YYCURSOR;
! 491: INIT_PZVAL(*rval);
! 492: ZVAL_LONG(*rval, parse_iv(start + 2));
! 493: return 1;
! 494: }
! 495:
! 496: "d:" ("NAN" | "-"? "INF") ";" {
! 497: *p = YYCURSOR;
! 498: INIT_PZVAL(*rval);
! 499:
! 500: if (!strncmp(start + 2, "NAN", 3)) {
! 501: ZVAL_DOUBLE(*rval, php_get_nan());
! 502: } else if (!strncmp(start + 2, "INF", 3)) {
! 503: ZVAL_DOUBLE(*rval, php_get_inf());
! 504: } else if (!strncmp(start + 2, "-INF", 4)) {
! 505: ZVAL_DOUBLE(*rval, -php_get_inf());
! 506: }
! 507:
! 508: return 1;
! 509: }
! 510:
! 511: "d:" (iv | nv | nvexp) ";" {
! 512: #if SIZEOF_LONG == 4
! 513: use_double:
! 514: #endif
! 515: *p = YYCURSOR;
! 516: INIT_PZVAL(*rval);
! 517: ZVAL_DOUBLE(*rval, zend_strtod((const char *)start + 2, NULL));
! 518: return 1;
! 519: }
! 520:
! 521: "s:" uiv ":" ["] {
! 522: size_t len, maxlen;
! 523: char *str;
! 524:
! 525: len = parse_uiv(start + 2);
! 526: maxlen = max - YYCURSOR;
! 527: if (maxlen < len) {
! 528: *p = start + 2;
! 529: return 0;
! 530: }
! 531:
! 532: str = (char*)YYCURSOR;
! 533:
! 534: YYCURSOR += len;
! 535:
! 536: if (*(YYCURSOR) != '"') {
! 537: *p = YYCURSOR;
! 538: return 0;
! 539: }
! 540:
! 541: YYCURSOR += 2;
! 542: *p = YYCURSOR;
! 543:
! 544: INIT_PZVAL(*rval);
! 545: ZVAL_STRINGL(*rval, str, len, 1);
! 546: return 1;
! 547: }
! 548:
! 549: "S:" uiv ":" ["] {
! 550: size_t len, maxlen;
! 551: char *str;
! 552:
! 553: len = parse_uiv(start + 2);
! 554: maxlen = max - YYCURSOR;
! 555: if (maxlen < len) {
! 556: *p = start + 2;
! 557: return 0;
! 558: }
! 559:
! 560: if ((str = unserialize_str(&YYCURSOR, &len, maxlen)) == NULL) {
! 561: return 0;
! 562: }
! 563:
! 564: if (*(YYCURSOR) != '"') {
! 565: efree(str);
! 566: *p = YYCURSOR;
! 567: return 0;
! 568: }
! 569:
! 570: YYCURSOR += 2;
! 571: *p = YYCURSOR;
! 572:
! 573: INIT_PZVAL(*rval);
! 574: ZVAL_STRINGL(*rval, str, len, 0);
! 575: return 1;
! 576: }
! 577:
! 578: "a:" uiv ":" "{" {
! 579: long elements = parse_iv(start + 2);
! 580: /* use iv() not uiv() in order to check data range */
! 581: *p = YYCURSOR;
! 582:
! 583: if (elements < 0) {
! 584: return 0;
! 585: }
! 586:
! 587: INIT_PZVAL(*rval);
! 588:
! 589: array_init_size(*rval, elements);
! 590:
! 591: if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_PP(rval), elements, 0)) {
! 592: return 0;
! 593: }
! 594:
! 595: return finish_nested_data(UNSERIALIZE_PASSTHRU);
! 596: }
! 597:
! 598: "o:" iv ":" ["] {
! 599:
! 600: INIT_PZVAL(*rval);
! 601:
! 602: return object_common2(UNSERIALIZE_PASSTHRU,
! 603: object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR));
! 604: }
! 605:
! 606: object ":" uiv ":" ["] {
! 607: size_t len, len2, len3, maxlen;
! 608: long elements;
! 609: char *class_name;
! 610: zend_class_entry *ce;
! 611: zend_class_entry **pce;
! 612: int incomplete_class = 0;
! 613:
! 614: int custom_object = 0;
! 615:
! 616: zval *user_func;
! 617: zval *retval_ptr;
! 618: zval **args[1];
! 619: zval *arg_func_name;
! 620:
! 621: if (*start == 'C') {
! 622: custom_object = 1;
! 623: }
! 624:
! 625: INIT_PZVAL(*rval);
! 626: len2 = len = parse_uiv(start + 2);
! 627: maxlen = max - YYCURSOR;
! 628: if (maxlen < len || len == 0) {
! 629: *p = start + 2;
! 630: return 0;
! 631: }
! 632:
! 633: class_name = (char*)YYCURSOR;
! 634:
! 635: YYCURSOR += len;
! 636:
! 637: if (*(YYCURSOR) != '"') {
! 638: *p = YYCURSOR;
! 639: return 0;
! 640: }
! 641: if (*(YYCURSOR+1) != ':') {
! 642: *p = YYCURSOR+1;
! 643: return 0;
! 644: }
! 645:
! 646: len3 = strspn(class_name, "0123456789_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377\\");
! 647: if (len3 != len)
! 648: {
! 649: *p = YYCURSOR + len3 - len;
! 650: return 0;
! 651: }
! 652:
! 653: class_name = estrndup(class_name, len);
! 654:
! 655: do {
! 656: /* Try to find class directly */
! 657: if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) {
! 658: ce = *pce;
! 659: break;
! 660: }
! 661:
! 662: /* Check for unserialize callback */
! 663: if ((PG(unserialize_callback_func) == NULL) || (PG(unserialize_callback_func)[0] == '\0')) {
! 664: incomplete_class = 1;
! 665: ce = PHP_IC_ENTRY;
! 666: break;
! 667: }
! 668:
! 669: /* Call unserialize callback */
! 670: MAKE_STD_ZVAL(user_func);
! 671: ZVAL_STRING(user_func, PG(unserialize_callback_func), 1);
! 672: args[0] = &arg_func_name;
! 673: MAKE_STD_ZVAL(arg_func_name);
! 674: ZVAL_STRING(arg_func_name, class_name, 1);
! 675: if (call_user_function_ex(CG(function_table), NULL, user_func, &retval_ptr, 1, args, 0, NULL TSRMLS_CC) != SUCCESS) {
! 676: php_error_docref(NULL TSRMLS_CC, E_WARNING, "defined (%s) but not found", user_func->value.str.val);
! 677: incomplete_class = 1;
! 678: ce = PHP_IC_ENTRY;
! 679: zval_ptr_dtor(&user_func);
! 680: zval_ptr_dtor(&arg_func_name);
! 681: break;
! 682: }
! 683: if (retval_ptr) {
! 684: zval_ptr_dtor(&retval_ptr);
! 685: }
! 686:
! 687: /* The callback function may have defined the class */
! 688: if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) {
! 689: ce = *pce;
! 690: } else {
! 691: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Function %s() hasn't defined the class it was called for", user_func->value.str.val);
! 692: incomplete_class = 1;
! 693: ce = PHP_IC_ENTRY;
! 694: }
! 695:
! 696: zval_ptr_dtor(&user_func);
! 697: zval_ptr_dtor(&arg_func_name);
! 698: break;
! 699: } while (1);
! 700:
! 701: *p = YYCURSOR;
! 702:
! 703: if (custom_object) {
! 704: int ret = object_custom(UNSERIALIZE_PASSTHRU, ce);
! 705:
! 706: if (ret && incomplete_class) {
! 707: php_store_class_name(*rval, class_name, len2);
! 708: }
! 709: efree(class_name);
! 710: return ret;
! 711: }
! 712:
! 713: elements = object_common1(UNSERIALIZE_PASSTHRU, ce);
! 714:
! 715: if (incomplete_class) {
! 716: php_store_class_name(*rval, class_name, len2);
! 717: }
! 718: efree(class_name);
! 719:
! 720: return object_common2(UNSERIALIZE_PASSTHRU, elements);
! 721: }
! 722:
! 723: "}" {
! 724: /* this is the case where we have less data than planned */
! 725: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unexpected end of serialized data");
! 726: return 0; /* not sure if it should be 0 or 1 here? */
! 727: }
! 728:
! 729: any { return 0; }
! 730:
! 731: */
! 732:
! 733: return 0;
! 734: }
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