static inline int process_nested_data(UNSERIALIZE_PARAMETER, HashTable *ht, long elements, int objprops) { while (elements-- > 0) { zval *key, *data, **old_data; ALLOC_INIT_ZVAL(key); if (!php_var_unserialize(&key, p, max, NULL TSRMLS_CC)) { var_push_dtor_no_addref(var_hash, &key); return 0; } if (Z_TYPE_P(key) != IS_LONG && Z_TYPE_P(key) != IS_STRING) { var_push_dtor_no_addref(var_hash, &key); return 0; } ALLOC_INIT_ZVAL(data); if (!php_var_unserialize(&data, p, max, var_hash TSRMLS_CC)) { var_push_dtor_no_addref(var_hash, &key); var_push_dtor_no_addref(var_hash, &data); return 0; } if (!objprops) { switch (Z_TYPE_P(key)) { case IS_LONG: if (zend_hash_index_find(ht, Z_LVAL_P(key), (void **)&old_data)==SUCCESS) { var_push_dtor(var_hash, old_data); } zend_hash_index_update(ht, Z_LVAL_P(key), &data, sizeof(data), NULL); break; case IS_STRING: if (zend_symtable_find(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, (void **)&old_data)==SUCCESS) { var_push_dtor(var_hash, old_data); } zend_symtable_update(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, &data, sizeof(data), NULL); break; } } else { /* object properties should include no integers */ convert_to_string(key); if (zend_hash_find(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, (void **)&old_data)==SUCCESS) { var_push_dtor(var_hash, old_data); } zend_hash_update(ht, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, &data, sizeof data, NULL); } var_push_dtor(var_hash, &data); var_push_dtor_no_addref(var_hash, &key); if (elements && *(*p-1) != ';' && *(*p-1) != '}') { (*p)--; return 0; } } return 1; }
int php_var_unserialize2(UNSERIALIZE_PARAMETER) { const unsigned char *cursor, *limit, *marker, *start; zval **rval_ref; limit = max; cursor = *p; if (YYCURSOR >= YYLIMIT) { return 0; } if (var_hash && cursor[0] != 'R') { var_push(var_hash, rval); } start = cursor; { YYCTYPE yych; static const unsigned char yybm[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; if ((YYLIMIT - YYCURSOR) < 7) YYFILL(7); yych = *YYCURSOR; switch (yych) { case 'C': case 'O': goto yy13; case 'N': goto yy5; case 'R': goto yy2; case 'S': goto yy10; case 'a': goto yy11; case 'b': goto yy6; case 'd': goto yy8; case 'i': goto yy7; case 'o': goto yy12; case 'r': goto yy4; case 's': goto yy9; case '}': goto yy14; default: goto yy16; } yy2: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy95; yy3: { return 0; } yy4: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy89; goto yy3; yy5: yych = *++YYCURSOR; if (yych == ';') goto yy87; goto yy3; yy6: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy83; goto yy3; yy7: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy77; goto yy3; yy8: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy53; goto yy3; yy9: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy46; goto yy3; yy10: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy39; goto yy3; yy11: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy32; goto yy3; yy12: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy25; goto yy3; yy13: yych = *(YYMARKER = ++YYCURSOR); if (yych == ':') goto yy17; goto yy3; yy14: ++YYCURSOR; { /* this is the case where we have less data than planned */ php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Unexpected end of serialized data"); return 0; /* not sure if it should be 0 or 1 here? */ } yy16: yych = *++YYCURSOR; goto yy3; yy17: yych = *++YYCURSOR; if (yybm[0+yych] & 128) { goto yy20; } if (yych == '+') goto yy19; yy18: YYCURSOR = YYMARKER; goto yy3; yy19: yych = *++YYCURSOR; if (yybm[0+yych] & 128) { goto yy20; } goto yy18; yy20: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2); yych = *YYCURSOR; if (yybm[0+yych] & 128) { goto yy20; } if (yych != ':') goto yy18; yych = *++YYCURSOR; if (yych != '"') goto yy18; ++YYCURSOR; { size_t len, len2, len3, maxlen; long elements; char *class_name; zend_class_entry *ce; zend_class_entry **pce; int incomplete_class = 0; int custom_object = 0; zval *user_func; zval *retval_ptr; zval **args[1]; zval *arg_func_name; if (*start == 'C') { custom_object = 1; } INIT_PZVAL(*rval); len2 = len = parse_uiv(start + 2); maxlen = max - YYCURSOR; if (maxlen < len || len == 0) { *p = start + 2; return 0; } class_name = (char*)YYCURSOR; YYCURSOR += len; if (*(YYCURSOR) != '"') { *p = YYCURSOR; return 0; } if (*(YYCURSOR+1) != ':') { *p = YYCURSOR+1; return 0; } 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\\"); if (len3 != len) { *p = YYCURSOR + len3 - len; return 0; } class_name = estrndup(class_name, len); do { /* Try to find class directly */ UNSERIALIZE2_G(serialize_lock)++; if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) { UNSERIALIZE2_G(serialize_lock)--; if (EG(exception)) { efree(class_name); return 0; } ce = *pce; break; } UNSERIALIZE2_G(serialize_lock)--; if (EG(exception)) { efree(class_name); return 0; } /* Check for unserialize callback */ if ((PG(unserialize_callback_func) == NULL) || (PG(unserialize_callback_func)[0] == '\0')) { incomplete_class = 1; ce = PHP_IC_ENTRY; break; } /* Call unserialize callback */ MAKE_STD_ZVAL(user_func); ZVAL_STRING(user_func, PG(unserialize_callback_func), 1); args[0] = &arg_func_name; MAKE_STD_ZVAL(arg_func_name); ZVAL_STRING(arg_func_name, class_name, 1); UNSERIALIZE2_G(serialize_lock)++; if (call_user_function_ex(CG(function_table), NULL, user_func, &retval_ptr, 1, args, 0, NULL TSRMLS_CC) != SUCCESS) { UNSERIALIZE2_G(serialize_lock)--; if (EG(exception)) { efree(class_name); zval_ptr_dtor(&user_func); zval_ptr_dtor(&arg_func_name); return 0; } php_error_docref(NULL TSRMLS_CC, E_WARNING, "defined (%s) but not found", user_func->value.str.val); incomplete_class = 1; ce = PHP_IC_ENTRY; zval_ptr_dtor(&user_func); zval_ptr_dtor(&arg_func_name); break; } UNSERIALIZE2_G(serialize_lock)--; if (retval_ptr) { zval_ptr_dtor(&retval_ptr); } if (EG(exception)) { efree(class_name); zval_ptr_dtor(&user_func); zval_ptr_dtor(&arg_func_name); return 0; } /* The callback function may have defined the class */ if (zend_lookup_class(class_name, len2, &pce TSRMLS_CC) == SUCCESS) { ce = *pce; } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Function %s() hasn't defined the class it was called for", user_func->value.str.val); incomplete_class = 1; ce = PHP_IC_ENTRY; } zval_ptr_dtor(&user_func); zval_ptr_dtor(&arg_func_name); break; } while (1); *p = YYCURSOR; if (custom_object) { int ret; ret = object_custom(UNSERIALIZE_PASSTHRU, ce); if (ret && incomplete_class) { php_store_class_name(*rval, class_name, len2); } efree(class_name); return ret; } elements = object_common1(UNSERIALIZE_PASSTHRU, ce); if (incomplete_class) { php_store_class_name(*rval, class_name, len2); } efree(class_name); return object_common2(UNSERIALIZE_PASSTHRU, elements); } yy25: yych = *++YYCURSOR; if (yych <= ',') { if (yych != '+') goto yy18; } else { if (yych <= '-') goto yy26; if (yych <= '/') goto yy18; if (yych <= '9') goto yy27; goto yy18; } yy26: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy27: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy27; if (yych >= ';') goto yy18; yych = *++YYCURSOR; if (yych != '"') goto yy18; ++YYCURSOR; { INIT_PZVAL(*rval); return object_common2(UNSERIALIZE_PASSTHRU, object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR)); } yy32: yych = *++YYCURSOR; if (yych == '+') goto yy33; if (yych <= '/') goto yy18; if (yych <= '9') goto yy34; goto yy18; yy33: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy34: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy34; if (yych >= ';') goto yy18; yych = *++YYCURSOR; if (yych != '{') goto yy18; ++YYCURSOR; { long elements = parse_iv(start + 2); /* use iv() not uiv() in order to check data range */ *p = YYCURSOR; if (elements < 0) { return 0; } INIT_PZVAL(*rval); array_init_size(*rval, elements); if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_PP(rval), elements, 0)) { return 0; } return finish_nested_data(UNSERIALIZE_PASSTHRU); } yy39: yych = *++YYCURSOR; if (yych == '+') goto yy40; if (yych <= '/') goto yy18; if (yych <= '9') goto yy41; goto yy18; yy40: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy41: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy41; if (yych >= ';') goto yy18; yych = *++YYCURSOR; if (yych != '"') goto yy18; ++YYCURSOR; { size_t len, maxlen; char *str; len = parse_uiv(start + 2); maxlen = max - YYCURSOR; if (maxlen < len) { *p = start + 2; return 0; } if ((str = unserialize_str(&YYCURSOR, &len, maxlen)) == NULL) { return 0; } if (*(YYCURSOR) != '"') { efree(str); *p = YYCURSOR; return 0; } YYCURSOR += 2; *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_STRINGL(*rval, str, len, 0); return 1; } yy46: yych = *++YYCURSOR; if (yych == '+') goto yy47; if (yych <= '/') goto yy18; if (yych <= '9') goto yy48; goto yy18; yy47: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy48: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 2) YYFILL(2); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy48; if (yych >= ';') goto yy18; yych = *++YYCURSOR; if (yych != '"') goto yy18; ++YYCURSOR; { size_t len, maxlen; char *str; len = parse_uiv(start + 2); maxlen = max - YYCURSOR; if (maxlen < len) { *p = start + 2; return 0; } str = (char*)YYCURSOR; YYCURSOR += len; if (*(YYCURSOR) != '"') { *p = YYCURSOR; return 0; } YYCURSOR += 2; *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_STRINGL(*rval, str, len, 1); return 1; } yy53: yych = *++YYCURSOR; if (yych <= '/') { if (yych <= ',') { if (yych == '+') goto yy57; goto yy18; } else { if (yych <= '-') goto yy55; if (yych <= '.') goto yy60; goto yy18; } } else { if (yych <= 'I') { if (yych <= '9') goto yy58; if (yych <= 'H') goto yy18; goto yy56; } else { if (yych != 'N') goto yy18; } } yych = *++YYCURSOR; if (yych == 'A') goto yy76; goto yy18; yy55: yych = *++YYCURSOR; if (yych <= '/') { if (yych == '.') goto yy60; goto yy18; } else { if (yych <= '9') goto yy58; if (yych != 'I') goto yy18; } yy56: yych = *++YYCURSOR; if (yych == 'N') goto yy72; goto yy18; yy57: yych = *++YYCURSOR; if (yych == '.') goto yy60; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy58: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4); yych = *YYCURSOR; if (yych <= ':') { if (yych <= '.') { if (yych <= '-') goto yy18; goto yy70; } else { if (yych <= '/') goto yy18; if (yych <= '9') goto yy58; goto yy18; } } else { if (yych <= 'E') { if (yych <= ';') goto yy63; if (yych <= 'D') goto yy18; goto yy65; } else { if (yych == 'e') goto yy65; goto yy18; } } yy60: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy61: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4); yych = *YYCURSOR; if (yych <= ';') { if (yych <= '/') goto yy18; if (yych <= '9') goto yy61; if (yych <= ':') goto yy18; } else { if (yych <= 'E') { if (yych <= 'D') goto yy18; goto yy65; } else { if (yych == 'e') goto yy65; goto yy18; } } yy63: ++YYCURSOR; { #if SIZEOF_LONG == 4 use_double: #endif *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_DOUBLE(*rval, zend_strtod((const char *)start + 2, NULL)); return 1; } yy65: yych = *++YYCURSOR; if (yych <= ',') { if (yych != '+') goto yy18; } else { if (yych <= '-') goto yy66; if (yych <= '/') goto yy18; if (yych <= '9') goto yy67; goto yy18; } yy66: yych = *++YYCURSOR; if (yych <= ',') { if (yych == '+') goto yy69; goto yy18; } else { if (yych <= '-') goto yy69; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; } yy67: ++YYCURSOR; if (YYLIMIT <= YYCURSOR) YYFILL(1); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy67; if (yych == ';') goto yy63; goto yy18; yy69: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy67; goto yy18; yy70: ++YYCURSOR; if ((YYLIMIT - YYCURSOR) < 4) YYFILL(4); yych = *YYCURSOR; if (yych <= ';') { if (yych <= '/') goto yy18; if (yych <= '9') goto yy70; if (yych <= ':') goto yy18; goto yy63; } else { if (yych <= 'E') { if (yych <= 'D') goto yy18; goto yy65; } else { if (yych == 'e') goto yy65; goto yy18; } } yy72: yych = *++YYCURSOR; if (yych != 'F') goto yy18; yy73: yych = *++YYCURSOR; if (yych != ';') goto yy18; ++YYCURSOR; { *p = YYCURSOR; INIT_PZVAL(*rval); if (!strncmp(start + 2, "NAN", 3)) { ZVAL_DOUBLE(*rval, php_get_nan()); } else if (!strncmp(start + 2, "INF", 3)) { ZVAL_DOUBLE(*rval, php_get_inf()); } else if (!strncmp(start + 2, "-INF", 4)) { ZVAL_DOUBLE(*rval, -php_get_inf()); } return 1; } yy76: yych = *++YYCURSOR; if (yych == 'N') goto yy73; goto yy18; yy77: yych = *++YYCURSOR; if (yych <= ',') { if (yych != '+') goto yy18; } else { if (yych <= '-') goto yy78; if (yych <= '/') goto yy18; if (yych <= '9') goto yy79; goto yy18; } yy78: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy79: ++YYCURSOR; if (YYLIMIT <= YYCURSOR) YYFILL(1); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy79; if (yych != ';') goto yy18; ++YYCURSOR; { #if SIZEOF_LONG == 4 int digits = YYCURSOR - start - 3; if (start[2] == '-' || start[2] == '+') { digits--; } /* Use double for large long values that were serialized on a 64-bit system */ if (digits >= MAX_LENGTH_OF_LONG - 1) { if (digits == MAX_LENGTH_OF_LONG - 1) { int cmp = strncmp(YYCURSOR - MAX_LENGTH_OF_LONG, long_min_digits, MAX_LENGTH_OF_LONG - 1); if (!(cmp < 0 || (cmp == 0 && start[2] == '-'))) { goto use_double; } } else { goto use_double; } } #endif *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_LONG(*rval, parse_iv(start + 2)); return 1; } yy83: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= '2') goto yy18; yych = *++YYCURSOR; if (yych != ';') goto yy18; ++YYCURSOR; { *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_BOOL(*rval, parse_iv(start + 2)); return 1; } yy87: ++YYCURSOR; { *p = YYCURSOR; INIT_PZVAL(*rval); ZVAL_NULL(*rval); return 1; } yy89: yych = *++YYCURSOR; if (yych <= ',') { if (yych != '+') goto yy18; } else { if (yych <= '-') goto yy90; if (yych <= '/') goto yy18; if (yych <= '9') goto yy91; goto yy18; } yy90: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy91: ++YYCURSOR; if (YYLIMIT <= YYCURSOR) YYFILL(1); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy91; if (yych != ';') goto yy18; ++YYCURSOR; { long id; *p = YYCURSOR; if (!var_hash) return 0; id = parse_iv(start + 2) - 1; if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) { return 0; } if (*rval == *rval_ref) return 0; if (*rval != NULL) { var_push_dtor_no_addref(var_hash, rval); } *rval = *rval_ref; Z_ADDREF_PP(rval); Z_UNSET_ISREF_PP(rval); return 1; } yy95: yych = *++YYCURSOR; if (yych <= ',') { if (yych != '+') goto yy18; } else { if (yych <= '-') goto yy96; if (yych <= '/') goto yy18; if (yych <= '9') goto yy97; goto yy18; } yy96: yych = *++YYCURSOR; if (yych <= '/') goto yy18; if (yych >= ':') goto yy18; yy97: ++YYCURSOR; if (YYLIMIT <= YYCURSOR) YYFILL(1); yych = *YYCURSOR; if (yych <= '/') goto yy18; if (yych <= '9') goto yy97; if (yych != ';') goto yy18; ++YYCURSOR; { long id; *p = YYCURSOR; if (!var_hash) return 0; id = parse_iv(start + 2) - 1; if (id == -1 || var_access(var_hash, id, &rval_ref) != SUCCESS) { return 0; } if (*rval != NULL) { zval_ptr_dtor(rval); } *rval = *rval_ref; Z_ADDREF_PP(rval); Z_SET_ISREF_PP(rval); return 1; } } return 0; }