var_unserializer.c

php-4.4.7学习linux时下载的源代码

		return 0;
	}
	
	class_name = str_tolower_copy((char *)emalloc(len+1), class_name, len);
	class_name[len] = '\0';
	
	len3 = strspn(class_name, "0123456789_abcdefghijklmnopqrstuvwxyz\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;
		efree(class_name);
		return 0;
	}

	if (zend_hash_find(CG(class_table), class_name, len + 1, (void **) &ce) != SUCCESS) {
		if ((PG(unserialize_callback_func) == NULL) || (PG(unserialize_callback_func)[0] == '\0')) {
			incomplete_class = 1;
			ce = PHP_IC_ENTRY;
		} else {
			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);
				
			if (call_user_function_ex(CG(function_table), NULL, user_func, &retval_ptr, 1, args, 0, NULL TSRMLS_CC) != SUCCESS) {
				zend_error(E_WARNING, "'unserialize_callback_func' defined (%s) but not found", user_func->value.str.val);
				incomplete_class = 1;
				ce = PHP_IC_ENTRY;
			} else {
				if (zend_hash_find(CG(class_table), class_name, len + 1, (void **) &ce) != SUCCESS) {
					zend_error(E_WARNING, "'unserialize_callback_func' (%s) hasn't defined the class it was called for", user_func->value.str.val);
					incomplete_class = 1;
					ce = PHP_IC_ENTRY;
				} else {
#ifdef ZEND_ENGINE_2
					ce = *(zend_class_entry **)ce; /* Bad hack, TBF! */
#endif	
				}
			}
		}
	} else {
#ifdef ZEND_ENGINE_2
		ce = *(zend_class_entry **)ce; /* Bad hack, TBF! */
#endif	
	}

	*p = YYCURSOR;
	elements = object_common1(UNSERIALIZE_PASSTHRU, ce);

	if (incomplete_class) {
		php_store_class_name(*rval, class_name, len2 TSRMLS_CC);
	}
	efree(class_name);

	return object_common2(UNSERIALIZE_PASSTHRU, elements);
}
yy24:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych != '+') goto yy17;
		} else {
			if(yych <= '-') goto yy25;
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy26;
			goto yy17;
		}
yy25:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy26:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy26;
		if(yych >= ';') goto yy17;
		yych = *++YYCURSOR;
		if(yych != '"') goto yy17;
		++YYCURSOR;
		{

	INIT_PZVAL(*rval);
	
	return object_common2(UNSERIALIZE_PASSTHRU,
			object_common1(UNSERIALIZE_PASSTHRU, ZEND_STANDARD_CLASS_DEF_PTR));
}
yy31:
		yych = *++YYCURSOR;
		if(yych == '+') goto yy32;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy33;
		goto yy17;
yy32:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy33:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy33;
		if(yych >= ';') goto yy17;
		yych = *++YYCURSOR;
		if(yych != '{') goto yy17;
		++YYCURSOR;
		{
	long elements = parse_iv(start + 2);
	/* use iv() not uiv() in order to check data range */
	*p = YYCURSOR;

	if (elements < 0) {
		return 0;
	}

	if (elements < 0) {
		return 0;
	}

	INIT_PZVAL(*rval);
	Z_TYPE_PP(rval) = IS_ARRAY;
	ALLOC_HASHTABLE(Z_ARRVAL_PP(rval));

	zend_hash_init(Z_ARRVAL_PP(rval), elements + 1, NULL, ZVAL_PTR_DTOR, 0);

	if (!process_nested_data(UNSERIALIZE_PASSTHRU, Z_ARRVAL_PP(rval), elements)) {
		return 0;
	}

	return finish_nested_data(UNSERIALIZE_PASSTHRU);
}
yy38:
		yych = *++YYCURSOR;
		if(yych == '+') goto yy39;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy40;
		goto yy17;
yy39:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy40:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 2) YYFILL(2);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy40;
		if(yych >= ';') goto yy17;
		yych = *++YYCURSOR;
		if(yych != '"') goto yy17;
		++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;
}
yy45:
		yych = *++YYCURSOR;
		if(yych <= '/') {
			if(yych <= ',') {
				if(yych == '+') goto yy49;
				goto yy17;
			} else {
				if(yych <= '-') goto yy47;
				if(yych <= '.') goto yy52;
				goto yy17;
			}
		} else {
			if(yych <= 'I') {
				if(yych <= '9') goto yy50;
				if(yych <= 'H') goto yy17;
				goto yy48;
			} else {
				if(yych != 'N') goto yy17;
			}
		}
		yych = *++YYCURSOR;
		if(yych == 'A') goto yy68;
		goto yy17;
yy47:
		yych = *++YYCURSOR;
		if(yych <= '/') {
			if(yych == '.') goto yy52;
			goto yy17;
		} else {
			if(yych <= '9') goto yy50;
			if(yych != 'I') goto yy17;
		}
yy48:
		yych = *++YYCURSOR;
		if(yych == 'N') goto yy64;
		goto yy17;
yy49:
		yych = *++YYCURSOR;
		if(yych == '.') goto yy52;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy50:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
		yych = *YYCURSOR;
		if(yych <= ':') {
			if(yych <= '.') {
				if(yych <= '-') goto yy17;
				goto yy62;
			} else {
				if(yych <= '/') goto yy17;
				if(yych <= '9') goto yy50;
				goto yy17;
			}
		} else {
			if(yych <= 'E') {
				if(yych <= ';') goto yy55;
				if(yych <= 'D') goto yy17;
				goto yy57;
			} else {
				if(yych == 'e') goto yy57;
				goto yy17;
			}
		}
yy52:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy53:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
		yych = *YYCURSOR;
		if(yych <= ';') {
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy53;
			if(yych <= ':') goto yy17;
		} else {
			if(yych <= 'E') {
				if(yych <= 'D') goto yy17;
				goto yy57;
			} else {
				if(yych == 'e') goto yy57;
				goto yy17;
			}
		}
yy55:
		++YYCURSOR;
		{
	*p = YYCURSOR;
	INIT_PZVAL(*rval);
	ZVAL_DOUBLE(*rval, zend_strtod((const char *)start + 2, NULL));
	return 1;
}
yy57:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych != '+') goto yy17;
		} else {
			if(yych <= '-') goto yy58;
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy59;
			goto yy17;
		}
yy58:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych == '+') goto yy61;
			goto yy17;
		} else {
			if(yych <= '-') goto yy61;
			if(yych <= '/') goto yy17;
			if(yych >= ':') goto yy17;
		}
yy59:
		++YYCURSOR;
		if(YYLIMIT == YYCURSOR) YYFILL(1);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy59;
		if(yych == ';') goto yy55;
		goto yy17;
yy61:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy59;
		goto yy17;
yy62:
		++YYCURSOR;
		if((YYLIMIT - YYCURSOR) < 4) YYFILL(4);
		yych = *YYCURSOR;
		if(yych <= ';') {
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy62;
			if(yych <= ':') goto yy17;
			goto yy55;
		} else {
			if(yych <= 'E') {
				if(yych <= 'D') goto yy17;
				goto yy57;
			} else {
				if(yych == 'e') goto yy57;
				goto yy17;
			}
		}
yy64:
		yych = *++YYCURSOR;
		if(yych != 'F') goto yy17;
yy65:
		yych = *++YYCURSOR;
		if(yych != ';') goto yy17;
		++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;
}
yy68:
		yych = *++YYCURSOR;
		if(yych == 'N') goto yy65;
		goto yy17;
yy69:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych != '+') goto yy17;
		} else {
			if(yych <= '-') goto yy70;
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy71;
			goto yy17;
		}
yy70:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy71:
		++YYCURSOR;
		if(YYLIMIT == YYCURSOR) YYFILL(1);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy71;
		if(yych != ';') goto yy17;
		++YYCURSOR;
		{
	*p = YYCURSOR;
	INIT_PZVAL(*rval);
	ZVAL_LONG(*rval, parse_iv(start + 2));
	return 1;
}
yy75:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= '2') goto yy17;
		yych = *++YYCURSOR;
		if(yych != ';') goto yy17;
		++YYCURSOR;
		{
	*p = YYCURSOR;
	INIT_PZVAL(*rval);
	ZVAL_BOOL(*rval, parse_iv(start + 2));
	return 1;
}
yy79:
		++YYCURSOR;
		{
	*p = YYCURSOR;
	INIT_PZVAL(*rval);
	ZVAL_NULL(*rval);
	return 1;
}
yy81:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych != '+') goto yy17;
		} else {
			if(yych <= '-') goto yy82;
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy83;
			goto yy17;
		}
yy82:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy83:
		++YYCURSOR;
		if(YYLIMIT == YYCURSOR) YYFILL(1);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy83;
		if(yych != ';') goto yy17;
		++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_ref)->refcount > 65500) {
		return 0;
	}

	if (*rval != NULL) {
	zval_ptr_dtor(rval);
	}
	*rval = *rval_ref;
	(*rval)->refcount++;
	(*rval)->is_ref = 0;
	
	return 1;
}
yy87:
		yych = *++YYCURSOR;
		if(yych <= ',') {
			if(yych != '+') goto yy17;
		} else {
			if(yych <= '-') goto yy88;
			if(yych <= '/') goto yy17;
			if(yych <= '9') goto yy89;
			goto yy17;
		}
yy88:
		yych = *++YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych >= ':') goto yy17;
yy89:
		++YYCURSOR;
		if(YYLIMIT == YYCURSOR) YYFILL(1);
		yych = *YYCURSOR;
		if(yych <= '/') goto yy17;
		if(yych <= '9') goto yy89;
		if(yych != ';') goto yy17;
		++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_ref)->refcount > 65500) {
		return 0;
	}

	if (*rval != NULL) {
	zval_ptr_dtor(rval);
	}
	*rval = *rval_ref;
	(*rval)->refcount++;
	(*rval)->is_ref = 1;
	
	return 1;
}
	}
}


	return 0;
}