/* {{{ zend_user_serialize */
ZEND_API int zend_user_serialize(zval *object, unsigned char **buffer, size_t *buf_len, zend_serialize_data *data)
{
zend_class_entry * ce = Z_OBJCE_P(object);
zval retval;
int result;
zend_call_method_with_0_params(object, ce, &ce->serialize_func, "serialize", &retval);
if (Z_TYPE(retval) == IS_UNDEF || EG(exception)) {
result = FAILURE;
} else {
switch(Z_TYPE(retval)) {
case IS_NULL:
/* we could also make this '*buf_len = 0' but this allows to skip variables */
zval_ptr_dtor(&retval);
return FAILURE;
case IS_STRING:
*buffer = (unsigned char*)estrndup(Z_STRVAL(retval), Z_STRLEN(retval));
*buf_len = Z_STRLEN(retval);
result = SUCCESS;
break;
default: /* failure */
result = FAILURE;
break;
}
zval_ptr_dtor(&retval);
}
if (result == FAILURE && !EG(exception)) {
zend_throw_exception_ex(NULL, 0, "%s::serialize() must return a string or NULL", ce->name->val);
}
return result;
}
int wkhtmltox_set_object_params(void *settings, fp set_function, zval *params, zval *input)
{
zval **data;
HashTable *params_hash;
HashPosition pointer;
int params_count;
char *key;
int key_len;
long index;
int page = 0;
int html = 0;
params_hash = Z_ARRVAL_P(params);
params_count = zend_hash_num_elements(params_hash);
for(zend_hash_internal_pointer_reset_ex(params_hash, &pointer);
zend_hash_get_current_data_ex(params_hash, (void **)&data, &pointer) == SUCCESS;
zend_hash_move_forward_ex(params_hash, &pointer)) {
zval temp = **data;
zval_copy_ctor(&temp);
if (zend_hash_get_current_key_ex(params_hash, &key, &key_len, &index, 0, &pointer) == HASH_KEY_IS_STRING) {
switch (Z_TYPE(temp)) {
case IS_BOOL:
set_function(settings, key, Z_BVAL(temp) ? "true" : "false");
break;
default:
convert_to_string(&temp);
case IS_STRING:
if (strcmp(key, "page") == 0 || strcmp(key, "out") == 0) {
//TODO do checking of page/out url/file according to php security settings like open_basedir, allow_url_fopen a.s.o
// php main fopenwrapper ?! php_check_specific_open_basedir php_check_open_basedir
//php_printf("key: %s, val: %s\n", key, Z_STRVAL(temp));
}
if (strcmp(key, "page") == 0 && Z_STRLEN(temp) > 0) {
page = 1;
}
if (strcmp(key, "html") == 0 && Z_STRLEN(temp) > 0) {
ZVAL_STRING(input, Z_STRVAL(temp), 1);
html = 1;
}
set_function(settings, key, Z_STRVAL(temp));
break;
}
}
zval_dtor(&temp);
}
if (page == 1) {
return 0;
} else if (page == 0 && html == 1) {
return 1;
} else {
return 2;
}
}
static int accel_file_in_cache(INTERNAL_FUNCTION_PARAMETERS)
{
zval zfilename;
if (ZEND_NUM_ARGS() != 1 ||
zend_get_parameters_array_ex(1, &zfilename) == FAILURE ||
Z_TYPE(zfilename) != IS_STRING ||
Z_STRLEN(zfilename) == 0) {
return 0;
}
return filename_is_in_cache(Z_STRVAL(zfilename), Z_STRLEN(zfilename) TSRMLS_CC);
}
static int ZEND_DECLARE_INHERITED_CLASS_DELAYED_HANDLER(ZEND_OPCODE_HANDLER_ARGS)
{
zend_class_entry **pce, **pce_orig;
if (zend_hash_find(EG(class_table), Z_STRVAL(EX(opline)->op2.u.constant), Z_STRLEN(EX(opline)->op2.u.constant) + 1, (void **)&pce) == FAILURE ||
(zend_hash_find(EG(class_table), Z_STRVAL(EX(opline)->op1.u.constant), Z_STRLEN(EX(opline)->op1.u.constant), (void**)&pce_orig) == SUCCESS &&
*pce != *pce_orig)) {
do_bind_inherited_class(EX(opline), EG(class_table), EX_T(EX(opline)->extended_value).class_entry, 0 TSRMLS_CC);
}
EX(opline)++;
return ZEND_USER_OPCODE_CONTINUE;
}
/* Lookup a key from the $PHORUM["args"] array. */
zval *
get_PHORUM_args(char *key)
{
HashTable *args = NULL;
zval zkey;
zval **P;
/* Lookup the $PHORUM["args"] variable. */
zval *A = get_PHORUM("args");
if (A == NULL) {
zend_error(E_ERROR, "PHORUM(): Cannot find symbol $PHORUM[args]");
}
args = Z_ARRVAL_P(A);
/* Lookup the key in the args table. */
ZVAL_STRING(&zkey, key, 1);
if (zend_hash_find(args, Z_STRVAL(zkey), Z_STRLEN(zkey)+1, (void**)&P) == FAILURE) {
convert_to_long(&zkey);
if (zend_hash_index_find(args, Z_LVAL(zkey), (void**)&P) == FAILURE) {
return NULL;
}
}
return *P;
}
/* call userland key extraction function */
char *
ra_call_extractor(RedisArray *ra, const char *key, int key_len, int *out_len) {
char *out;
zval z_ret;
zval z_argv0;
/* check that we can call the extractor function */
if (!zend_is_callable_ex(&ra->z_fun, NULL, 0, NULL, NULL, NULL)) {
php_error_docref(NULL, E_ERROR, "Could not call extractor function");
return NULL;
}
//convert_to_string(ra->z_fun);
/* call extraction function */
ZVAL_STRINGL(&z_argv0, key, key_len);
call_user_function(EG(function_table), NULL, &ra->z_fun, &z_ret, 1, &z_argv0);
efree(&z_argv0);
if (Z_TYPE(z_ret) != IS_STRING) {
zval_dtor(&z_ret);
return NULL;
}
*out_len = Z_STRLEN(z_ret);
out = emalloc(*out_len + 1);
out[*out_len] = 0;
memcpy(out, Z_STRVAL(z_ret), *out_len);
zval_dtor(&z_ret);
return out;
}
void refill() {
assert(buffer_used == 0);
zval retval;
ZVAL_NULL(&retval);
zval *args[1];
MAKE_STD_ZVAL(args[0]);
ZVAL_LONG(args[0], buffer_size);
TSRMLS_FETCH();
zval funcname;
ZVAL_STRING(&funcname, "read", 0);
call_user_function(EG(function_table), &t, &funcname, &retval, 1, args TSRMLS_CC);
zval_ptr_dtor(args);
if (EG(exception)) {
zval_dtor(&retval);
zval* ex = EG(exception);
EG(exception) = NULL;
throw PHPExceptionWrapper(ex);
}
buffer_used = Z_STRLEN(retval);
memcpy(buffer, Z_STRVAL(retval), buffer_used);
zval_dtor(&retval);
buffer_ptr = buffer;
}
int GetString(structlpsolvecaller *lpsolvecaller, pMatrix ppm, int element, char *buf, int size, int ShowError)
{
int size1;
zval arg;
ZVAL_UNDEF(&arg);
if (ppm != NULL) {
ErrMsgTxt(lpsolvecaller, "invalid vector.");
}
arg = GetpMatrix(lpsolvecaller, element);
if ((!Z_ISUNDEF(arg)) && (Z_TYPE(arg) != IS_STRING)) {
ZVAL_UNDEF(&arg);
}
if (Z_ISUNDEF(arg)) {
if (ShowError)
ErrMsgTxt(lpsolvecaller, "Expecting a character element");
return(FALSE);
}
size1 = Z_STRLEN(arg);
if (size1 < size)
size = size1;
memcpy(buf, Z_STRVAL(arg), size);
buf[size] = 0;
return(TRUE);
}
void refill() {
assert(buffer_used == 0);
zval retval;
zval args[1];
zval funcname;
ZVAL_NULL(&retval);
ZVAL_LONG(&args[0], buffer_size);
ZVAL_STRING(&funcname, "read");
call_user_function(EG(function_table), &(this->t), &funcname, &retval, 1, args);
zval_dtor(&args[0]);
zval_dtor(&funcname);
if (EG(exception)) {
zval_dtor(&retval);
zend_object *ex = EG(exception);
EG(exception) = nullptr;
throw PHPExceptionWrapper(ex);
}
buffer_used = Z_STRLEN(retval);
memcpy(buffer, Z_STRVAL(retval), buffer_used);
zval_dtor(&retval);
buffer_ptr = buffer;
}
/**
* Checks whether put has certain index
*
* @param string $name
* @return boolean
*/
PHP_METHOD(Phalcon_Http_Request, hasPut)
{
zval *name, is_put = {}, put = {}, raw = {}, new_put = {};
char *tmp;
phalcon_fetch_params(0, 1, 0, &name);
PHALCON_CALL_METHODW(&is_put, getThis(), "isput");
if (!zend_is_true(&is_put)) {
phalcon_read_global_str(&new_put, SL("_PUT"));
} else {
phalcon_read_property(&put, getThis(), SL("_put"), PH_NOISY);
if (Z_TYPE(put) != IS_ARRAY) {
PHALCON_CALL_METHODW(&raw, getThis(), "getrawbody");
array_init(&new_put);
PHALCON_ENSURE_IS_STRING(&raw);
tmp = estrndup(Z_STRVAL(raw), Z_STRLEN(raw));
sapi_module.treat_data(PARSE_STRING, tmp, &new_put);
phalcon_update_property_zval(getThis(), SL("_put"), &new_put);
} else {
PHALCON_CPY_WRT(&new_put, &put);
}
}
RETVAL_BOOL(phalcon_array_isset(&new_put, name));
}
/**
* Write hex string to the current position in the file pointer
*
* @return Phalcon\Binary\Writer
*/
PHP_METHOD(Phalcon_Binary_Writer, writeHexString){
zval *str, *length = NULL, *low_nibble = NULL, len = {}, format = {}, result = {};
phalcon_fetch_params(0, 1, 2, &str, &length, &low_nibble);
if (length && Z_TYPE_P(length) != IS_NULL) {
if (low_nibble && zend_is_true(low_nibble)) {
PHALCON_CONCAT_SV(&format, "h", length);
} else {
PHALCON_CONCAT_SV(&format, "H", length);
}
} else {
if (low_nibble && zend_is_true(low_nibble)) {
ZVAL_STRING(&format, "h*");
} else {
ZVAL_STRING(&format, "H*");
}
}
PHALCON_CALL_FUNCTIONW(&result, "pack", &format, str);
ZVAL_LONG(&len, Z_STRLEN(result));
PHALCON_CALL_METHODW(NULL, getThis(), "write", &result, &len);
RETURN_THISW();
}
/**
* Decrypt a text that is coded as a base64 string
*
* @param string $text
* @param string $key
* @return string
*/
PHP_METHOD(Phalcon_Crypt, decryptBase64){
zval *text, *key = NULL, *safe = NULL, decrypt_text = {}, decrypt_value = {};
phalcon_fetch_params(0, 1, 2, &text, &key, &safe);
PHALCON_ENSURE_IS_STRING(text);
if (!key) {
key = &PHALCON_GLOBAL(z_null);
}
if (!safe) {
safe = &PHALCON_GLOBAL(z_false);
}
if (zend_is_true(safe)) {
ZVAL_NEW_STR(&decrypt_text, zend_string_dup(Z_STR_P(text), 0));
php_strtr(Z_STRVAL(decrypt_text), Z_STRLEN(decrypt_text), "-_", "+/", 2);
} else {
PHALCON_CPY_WRT_CTOR(&decrypt_text, text);
}
phalcon_base64_decode(&decrypt_value, &decrypt_text);
PHALCON_RETURN_CALL_METHODW(getThis(), "decrypt", &decrypt_value, key);
}
inline int sw_zend_hash_get_current_key(HashTable *ht, char **key, uint32_t *keylen, ulong *num)
{
zval str_key;
int type = zend_hash_get_current_key(ht, &Z_STR(str_key), (zend_ulong* ) num);
*key = Z_STRVAL(str_key);
*keylen = Z_STRLEN(str_key);
return type;
}
/* CONVERSIONS for integers */
static zend_long from_zval_integer_common(const zval *arr_value, ser_context *ctx)
{
zend_long ret = 0;
zval lzval;
ZVAL_NULL(&lzval);
if (Z_TYPE_P(arr_value) != IS_LONG) {
ZVAL_COPY(&lzval, (zval *)arr_value);
arr_value = &lzval;
}
switch (Z_TYPE_P(arr_value)) {
case IS_LONG:
long_case:
ret = Z_LVAL_P(arr_value);
break;
/* if not long we're operating on lzval */
case IS_DOUBLE:
double_case:
convert_to_long(&lzval);
goto long_case;
case IS_OBJECT:
case IS_STRING: {
zend_long lval;
double dval;
convert_to_string(&lzval);
switch (is_numeric_string(Z_STRVAL(lzval), Z_STRLEN(lzval), &lval, &dval, 0)) {
case IS_DOUBLE:
zval_dtor(&lzval);
ZVAL_DOUBLE(&lzval, dval);
goto double_case;
case IS_LONG:
zval_dtor(&lzval);
ZVAL_LONG(&lzval, lval);
goto long_case;
}
/* if we get here, we don't have a numeric string */
do_from_zval_err(ctx, "expected an integer, but got a non numeric "
"string (possibly from a converted object): '%s'", Z_STRVAL_P(arr_value));
break;
}
default:
do_from_zval_err(ctx, "%s", "expected an integer, either of a PHP "
"integer type or of a convertible type");
break;
}
zval_dtor(&lzval);
return ret;
}
/* {{{ proto Closure Closure::bind(Closure $old, object $to [, mixed $scope = "static" ] )
Create a closure from another one and bind to another object and scope */
ZEND_METHOD(Closure, bind) /* {{{ */
{
zval *newthis, *zclosure, *scope_arg = NULL;
zend_closure *closure;
zend_class_entry *ce, **ce_p;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oo!|z", &zclosure, zend_ce_closure, &newthis, &scope_arg) == FAILURE) {
RETURN_NULL();
}
closure = (zend_closure *)zend_object_store_get_object(zclosure TSRMLS_CC);
if ((newthis != NULL) && (closure->func.common.fn_flags & ZEND_ACC_STATIC)) {
zend_error(E_WARNING, "Cannot bind an instance to a static closure");
}
if (scope_arg != NULL) { /* scope argument was given */
if (IS_ZEND_STD_OBJECT(*scope_arg)) {
ce = Z_OBJCE_P(scope_arg);
} else if (Z_TYPE_P(scope_arg) == IS_NULL) {
ce = NULL;
} else {
char *class_name;
int class_name_len;
zval tmp_zval;
INIT_ZVAL(tmp_zval);
if (Z_TYPE_P(scope_arg) == IS_STRING) {
class_name = Z_STRVAL_P(scope_arg);
class_name_len = Z_STRLEN_P(scope_arg);
} else {
tmp_zval = *scope_arg;
zval_copy_ctor(&tmp_zval);
convert_to_string(&tmp_zval);
class_name = Z_STRVAL(tmp_zval);
class_name_len = Z_STRLEN(tmp_zval);
}
if ((class_name_len == sizeof("static") - 1) &&
(memcmp("static", class_name, sizeof("static") - 1) == 0)) {
ce = closure->func.common.scope;
}
else if (zend_lookup_class_ex(class_name, class_name_len, NULL, 1, &ce_p TSRMLS_CC) == FAILURE) {
zend_error(E_WARNING, "Class '%s' not found", class_name);
zval_dtor(&tmp_zval);
RETURN_NULL();
} else {
ce = *ce_p;
}
zval_dtor(&tmp_zval);
}
} else { /* scope argument not given; do not change the scope by default */
ce = closure->func.common.scope;
}
zend_create_closure(return_value, &closure->func, ce, newthis TSRMLS_CC);
}
/* {{{ php_dba_myke_key */
static size_t php_dba_make_key(zval *key, char **key_str, char **key_free)
{
if (Z_TYPE_P(key) == IS_ARRAY) {
zval *group, *name;
HashPosition pos;
size_t len;
if (zend_hash_num_elements(Z_ARRVAL_P(key)) != 2) {
php_error_docref(NULL, E_RECOVERABLE_ERROR, "Key does not have exactly two elements: (key, name)");
return 0;
}
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(key), &pos);
group = zend_hash_get_current_data_ex(Z_ARRVAL_P(key), &pos);
zend_hash_move_forward_ex(Z_ARRVAL_P(key), &pos);
name = zend_hash_get_current_data_ex(Z_ARRVAL_P(key), &pos);
convert_to_string_ex(group);
convert_to_string_ex(name);
if (Z_STRLEN_P(group) == 0) {
*key_str = Z_STRVAL_P(name);
*key_free = NULL;
return Z_STRLEN_P(name);
}
len = spprintf(key_str, 0, "[%s]%s", Z_STRVAL_P(group), Z_STRVAL_P(name));
*key_free = *key_str;
return len;
} else {
zval tmp;
int len;
ZVAL_COPY(&tmp, key);
convert_to_string(&tmp);
len = Z_STRLEN(tmp);
if (len) {
*key_free = *key_str = estrndup(Z_STRVAL(tmp), Z_STRLEN(tmp));
}
zval_ptr_dtor(&tmp);
return len;
}
}
/**
* Gets a variable from put request
*
*<code>
* $userEmail = $request->getPut("user_email");
*
* $userEmail = $request->getPut("user_email", "email");
*</code>
*
* @param string $name
* @param string|array $filters
* @param mixed $defaultValue
* @param boolean $notAllowEmpty
* @param boolean $noRecursive
* @return mixed
*/
PHP_METHOD(Phalcon_Http_Request, getPut)
{
zval *name = NULL, *filters = NULL, *default_value = NULL, *not_allow_empty = NULL, *norecursive = NULL, is_put = {}, put = {}, raw = {}, new_put = {};
char *tmp;
phalcon_fetch_params(0, 0, 5, &name, &filters, &default_value, ¬_allow_empty, &norecursive);
if (!name) {
name = &PHALCON_GLOBAL(z_null);
}
if (!filters) {
filters = &PHALCON_GLOBAL(z_null);
}
if (!default_value) {
default_value = &PHALCON_GLOBAL(z_null);
}
if (!not_allow_empty) {
not_allow_empty = &PHALCON_GLOBAL(z_false);
}
if (!norecursive) {
norecursive = &PHALCON_GLOBAL(z_false);
}
PHALCON_CALL_METHODW(&is_put, getThis(), "isput");
if (!zend_is_true(&is_put)) {
RETURN_EMPTY_ARRAY();
} else {
phalcon_read_property(&put, getThis(), SL("_put"), PH_NOISY);
if (Z_TYPE(put) != IS_ARRAY) {
PHALCON_CALL_METHODW(&raw, getThis(), "getrawbody");
array_init(&new_put);
PHALCON_ENSURE_IS_STRING(&raw);
tmp = estrndup(Z_STRVAL(raw), Z_STRLEN(raw));
sapi_module.treat_data(PARSE_STRING, tmp, &new_put);
phalcon_update_property_zval(getThis(), SL("_put"), &new_put);
} else {
PHALCON_CPY_WRT(&new_put, &put);
}
}
PHALCON_RETURN_CALL_SELFW("_get", &new_put, name, filters, default_value, not_allow_empty, norecursive);
}
long
get_constant_long(char *key)
{
zval zkey;
zval zvalue;
ZVAL_STRING(&zkey, key, 0);
if (!zend_get_constant(Z_STRVAL(zkey), Z_STRLEN(zkey), &zvalue TSRMLS_CC)) {
zend_error(E_ERROR, "get_constant_long(): Cannot find symbol %s, is this function called inside an initialized Phorum environment?", key);
}
convert_to_long(&zvalue);
return Z_LVAL(zvalue);
}
static void _breakiterator_parts_move_forward(zend_object_iterator *iter)
{
zoi_break_iter_parts *zoi_bit = (zoi_break_iter_parts*)iter;
BreakIterator_object *bio = zoi_bit->bio;
iter->funcs->invalidate_current(iter);
int32_t cur,
next;
cur = bio->biter->current();
if (cur == BreakIterator::DONE) {
return;
}
next = bio->biter->next();
if (next == BreakIterator::DONE) {
return;
}
if (zoi_bit->key_type == PARTS_ITERATOR_KEY_LEFT) {
iter->index = cur;
} else if (zoi_bit->key_type == PARTS_ITERATOR_KEY_RIGHT) {
iter->index = next;
}
/* else zoi_bit->key_type == PARTS_ITERATOR_KEY_SEQUENTIAL
* No need to do anything, the engine increments ->index */
const char *s = Z_STRVAL(bio->text);
size_t slen = Z_STRLEN(bio->text);
zend_string *res;
if (next == BreakIterator::DONE) {
next = (int32_t)slen;
}
assert(next <= slen && next >= cur);
res = zend_string_alloc(next - cur, 0);
memcpy(res->val, &s[cur], res->len);
res->val[res->len] = '\0';
ZVAL_STR(&zoi_bit->zoi_cur.current, res);
}
/* Lookup a key from the $PHORUM["DATA"] array. */
zval *
get_PHORUM_DATA(char *key)
{
HashTable *data = NULL;
zval zkey;
zval **P;
/* Lookup the $PHORUM["DATA"] variable. If there is no such variable,
* then return NULL. */
zval *A = get_PHORUM("DATA");
if (A == NULL) return NULL;
data = Z_ARRVAL_P(A);
/* Lookup the key in the DATA table. */
ZVAL_STRING(&zkey, key, 1);
if (zend_hash_find(data, Z_STRVAL(zkey), Z_STRLEN(zkey)+1, (void**)&P) == FAILURE) {
convert_to_long(&zkey);
if (zend_hash_index_find(data, Z_LVAL(zkey), (void**)&P) == FAILURE) {
return NULL;
}
}
return *P;
}
/* {{{ _php_mb_regex_ereg_search_exec */
static void
_php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAMETERS, int mode)
{
char *arg_pattern = NULL, *arg_options = NULL;
size_t arg_pattern_len, arg_options_len;
int err;
size_t n, i, pos, len, beg, end;
OnigOptionType option;
OnigUChar *str;
OnigSyntaxType *syntax;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ss", &arg_pattern, &arg_pattern_len, &arg_options, &arg_options_len) == FAILURE) {
return;
}
option = MBREX(regex_default_options);
if (arg_options) {
option = 0;
_php_mb_regex_init_options(arg_options, arg_options_len, &option, &syntax, NULL);
}
if (arg_pattern) {
/* create regex pattern buffer */
if ((MBREX(search_re) = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, option, MBREX(current_mbctype), MBREX(regex_default_syntax))) == NULL) {
RETURN_FALSE;
}
}
pos = MBREX(search_pos);
str = NULL;
len = 0;
if (!Z_ISUNDEF(MBREX(search_str)) && Z_TYPE(MBREX(search_str)) == IS_STRING){
str = (OnigUChar *)Z_STRVAL(MBREX(search_str));
len = Z_STRLEN(MBREX(search_str));
}
if (MBREX(search_re) == NULL) {
php_error_docref(NULL, E_WARNING, "No regex given");
RETURN_FALSE;
}
if (str == NULL) {
php_error_docref(NULL, E_WARNING, "No string given");
RETURN_FALSE;
}
if (MBREX(search_regs)) {
onig_region_free(MBREX(search_regs), 1);
}
MBREX(search_regs) = onig_region_new();
err = onig_search(MBREX(search_re), str, str + len, str + pos, str + len, MBREX(search_regs), 0);
if (err == ONIG_MISMATCH) {
MBREX(search_pos) = len;
RETVAL_FALSE;
} else if (err <= -2) {
OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str(err_str, err);
php_error_docref(NULL, E_WARNING, "mbregex search failure in mbregex_search(): %s", err_str);
RETVAL_FALSE;
} else {
switch (mode) {
case 1:
array_init(return_value);
beg = MBREX(search_regs)->beg[0];
end = MBREX(search_regs)->end[0];
add_next_index_long(return_value, beg);
add_next_index_long(return_value, end - beg);
break;
case 2:
array_init(return_value);
n = MBREX(search_regs)->num_regs;
for (i = 0; i < n; i++) {
beg = MBREX(search_regs)->beg[i];
end = MBREX(search_regs)->end[i];
if (beg >= 0 && beg <= end && end <= len) {
add_index_stringl(return_value, i, (char *)&str[beg], end - beg);
} else {
add_index_bool(return_value, i, 0);
}
}
break;
default:
RETVAL_TRUE;
break;
}
end = MBREX(search_regs)->end[0];
if (pos <= end) {
MBREX(search_pos) = end;
} else {
MBREX(search_pos) = pos + 1;
}
}
if (err < 0) {
onig_region_free(MBREX(search_regs), 1);
MBREX(search_regs) = (OnigRegion *)NULL;
}
}
/* {{{ php_url_encode_hash */
PHPAPI int php_url_encode_hash_ex(HashTable *ht, smart_str *formstr,
const char *num_prefix, size_t num_prefix_len,
const char *key_prefix, size_t key_prefix_len,
const char *key_suffix, size_t key_suffix_len,
zval *type, char *arg_sep, int enc_type)
{
zend_string *key = NULL;
char *newprefix, *p;
const char *prop_name;
size_t arg_sep_len, newprefix_len, prop_len;
zend_ulong idx;
zval *zdata = NULL, copyzval;
if (!ht) {
return FAILURE;
}
if (ht->u.v.nApplyCount > 0) {
/* Prevent recursion */
return SUCCESS;
}
if (!arg_sep) {
arg_sep = INI_STR("arg_separator.output");
if (!arg_sep || !strlen(arg_sep)) {
arg_sep = URL_DEFAULT_ARG_SEP;
}
}
arg_sep_len = strlen(arg_sep);
ZEND_HASH_FOREACH_KEY_VAL_IND(ht, idx, key, zdata) {
/* handling for private & protected object properties */
if (key) {
if (key->val[0] == '\0' && type != NULL) {
const char *tmp;
zend_object *zobj = Z_OBJ_P(type);
if (zend_check_property_access(zobj, key) != SUCCESS) {
/* private or protected property access outside of the class */
continue;
}
zend_unmangle_property_name_ex(key, &tmp, &prop_name, &prop_len);
} else {
prop_name = key->val;
prop_len = key->len;
}
} else {
prop_name = NULL;
prop_len = 0;
}
ZVAL_DEREF(zdata);
if (Z_TYPE_P(zdata) == IS_ARRAY || Z_TYPE_P(zdata) == IS_OBJECT) {
if (key) {
zend_string *ekey;
if (enc_type == PHP_QUERY_RFC3986) {
ekey = php_raw_url_encode(prop_name, prop_len);
} else {
ekey = php_url_encode(prop_name, prop_len);
}
newprefix_len = key_suffix_len + ekey->len + key_prefix_len + 3 /* %5B */;
newprefix = emalloc(newprefix_len + 1);
p = newprefix;
if (key_prefix) {
memcpy(p, key_prefix, key_prefix_len);
p += key_prefix_len;
}
memcpy(p, ekey->val, ekey->len);
p += ekey->len;
zend_string_free(ekey);
if (key_suffix) {
memcpy(p, key_suffix, key_suffix_len);
p += key_suffix_len;
}
*(p++) = '%';
*(p++) = '5';
*(p++) = 'B';
*p = '\0';
} else {
char *ekey;
size_t ekey_len;
/* Is an integer key */
ekey_len = spprintf(&ekey, 0, "%pd", idx);
newprefix_len = key_prefix_len + num_prefix_len + ekey_len + key_suffix_len + 3 /* %5B */;
newprefix = emalloc(newprefix_len + 1);
p = newprefix;
if (key_prefix) {
memcpy(p, key_prefix, key_prefix_len);
p += key_prefix_len;
}
memcpy(p, num_prefix, num_prefix_len);
p += num_prefix_len;
memcpy(p, ekey, ekey_len);
p += ekey_len;
efree(ekey);
if (key_suffix) {
memcpy(p, key_suffix, key_suffix_len);
p += key_suffix_len;
}
*(p++) = '%';
*(p++) = '5';
*(p++) = 'B';
*p = '\0';
}
if (ZEND_HASH_APPLY_PROTECTION(ht)) {
ht->u.v.nApplyCount++;
}
php_url_encode_hash_ex(HASH_OF(zdata), formstr, NULL, 0, newprefix, newprefix_len, "%5D", 3, (Z_TYPE_P(zdata) == IS_OBJECT ? zdata : NULL), arg_sep, enc_type);
if (ZEND_HASH_APPLY_PROTECTION(ht)) {
ht->u.v.nApplyCount--;
}
efree(newprefix);
} else if (Z_TYPE_P(zdata) == IS_NULL || Z_TYPE_P(zdata) == IS_RESOURCE) {
/* Skip these types */
continue;
} else {
if (formstr->s) {
smart_str_appendl(formstr, arg_sep, arg_sep_len);
}
/* Simple key=value */
smart_str_appendl(formstr, key_prefix, key_prefix_len);
if (key) {
zend_string *ekey;
if (enc_type == PHP_QUERY_RFC3986) {
ekey = php_raw_url_encode(prop_name, prop_len);
} else {
ekey = php_url_encode(prop_name, prop_len);
}
smart_str_append(formstr, ekey);
zend_string_free(ekey);
} else {
/* Numeric key */
if (num_prefix) {
smart_str_appendl(formstr, num_prefix, num_prefix_len);
}
smart_str_append_long(formstr, idx);
}
smart_str_appendl(formstr, key_suffix, key_suffix_len);
smart_str_appendl(formstr, "=", 1);
switch (Z_TYPE_P(zdata)) {
case IS_STRING: {
zend_string *ekey;
if (enc_type == PHP_QUERY_RFC3986) {
ekey = php_raw_url_encode(Z_STRVAL_P(zdata), Z_STRLEN_P(zdata));
} else {
ekey = php_url_encode(Z_STRVAL_P(zdata), Z_STRLEN_P(zdata));
}
smart_str_append(formstr, ekey);
zend_string_free(ekey);
}
break;
case IS_LONG:
smart_str_append_long(formstr, Z_LVAL_P(zdata));
break;
case IS_FALSE:
smart_str_appendl(formstr, "0", sizeof("0")-1);
break;
case IS_TRUE:
smart_str_appendl(formstr, "1", sizeof("1")-1);
break;
case IS_DOUBLE:
{
char *ekey;
size_t ekey_len;
ekey_len = spprintf(&ekey, 0, "%.*G", (int) EG(precision), Z_DVAL_P(zdata));
smart_str_appendl(formstr, ekey, ekey_len);
efree(ekey);
}
break;
default:
{
zend_string *ekey;
/* fall back on convert to string */
ZVAL_DUP(©zval, zdata);
convert_to_string_ex(©zval);
if (enc_type == PHP_QUERY_RFC3986) {
ekey = php_raw_url_encode(Z_STRVAL(copyzval), Z_STRLEN(copyzval));
} else {
ekey = php_url_encode(Z_STRVAL(copyzval), Z_STRLEN(copyzval));
}
smart_str_append(formstr, ekey);
zval_ptr_dtor(©zval);
zend_string_free(ekey);
}
}
}
} ZEND_HASH_FOREACH_END();
return SUCCESS;
}
zval * php_can_strtr_array(char *str, int slen, HashTable *hash)
{
zval **entry;
char *string_key;
uint string_key_len;
zval **trans;
zval ctmp;
ulong num_key;
int minlen = 128*1024;
int maxlen = 0, pos, len, found;
char *key;
HashPosition hpos;
smart_str result = {0};
HashTable tmp_hash;
zend_hash_init(&tmp_hash, zend_hash_num_elements(hash), NULL, NULL, 0);
zend_hash_internal_pointer_reset_ex(hash, &hpos);
while (zend_hash_get_current_data_ex(hash, (void **)&entry, &hpos) == SUCCESS) {
switch (zend_hash_get_current_key_ex(hash, &string_key, &string_key_len, &num_key, 0, &hpos)) {
case HASH_KEY_IS_STRING:
len = string_key_len-1;
if (len < 1) {
zend_hash_destroy(&tmp_hash);
return NULL;
}
zend_hash_add(&tmp_hash, string_key, string_key_len, entry, sizeof(zval*), NULL);
if (len > maxlen) {
maxlen = len;
}
if (len < minlen) {
minlen = len;
}
break;
case HASH_KEY_IS_LONG:
Z_TYPE(ctmp) = IS_LONG;
Z_LVAL(ctmp) = num_key;
convert_to_string(&ctmp);
len = Z_STRLEN(ctmp);
zend_hash_add(&tmp_hash, Z_STRVAL(ctmp), len+1, entry, sizeof(zval*), NULL);
zval_dtor(&ctmp);
if (len > maxlen) {
maxlen = len;
}
if (len < minlen) {
minlen = len;
}
break;
}
zend_hash_move_forward_ex(hash, &hpos);
}
key = emalloc(maxlen+1);
pos = 0;
while (pos < slen) {
if ((pos + maxlen) > slen) {
maxlen = slen - pos;
}
found = 0;
memcpy(key, str+pos, maxlen);
for (len = maxlen; len >= minlen; len--) {
key[len] = 0;
if (zend_hash_find(&tmp_hash, key, len+1, (void**)&trans) == SUCCESS) {
char *tval;
int tlen;
zval tmp;
if (Z_TYPE_PP(trans) != IS_STRING) {
tmp = **trans;
zval_copy_ctor(&tmp);
convert_to_string(&tmp);
tval = Z_STRVAL(tmp);
tlen = Z_STRLEN(tmp);
} else {
tval = Z_STRVAL_PP(trans);
tlen = Z_STRLEN_PP(trans);
}
smart_str_appendl(&result, tval, tlen);
pos += len;
found = 1;
if (Z_TYPE_PP(trans) != IS_STRING) {
zval_dtor(&tmp);
}
break;
}
}
if (! found) {
smart_str_appendc(&result, str[pos++]);
}
}
efree(key);
zend_hash_destroy(&tmp_hash);
smart_str_0(&result);
zval *retval;
MAKE_STD_ZVAL(retval);
ZVAL_STRINGL(retval, result.c, result.len, 0);
return retval;
}
/* {{{ _php_array_to_envp */
static php_process_env_t _php_array_to_envp(zval *environment, int is_persistent TSRMLS_DC)
{
zval **element;
php_process_env_t env;
char *string_key, *data;
#ifndef PHP_WIN32
char **ep;
#endif
char *p;
uint string_length, cnt, l, sizeenv=0, el_len;
ulong num_key;
HashTable *target_hash;
HashPosition pos;
memset(&env, 0, sizeof(env));
if (!environment) {
return env;
}
cnt = zend_hash_num_elements(Z_ARRVAL_P(environment));
if (cnt < 1) {
#ifndef PHP_WIN32
env.envarray = (char **) pecalloc(1, sizeof(char *), is_persistent);
#endif
env.envp = (char *) pecalloc(4, 1, is_persistent);
return env;
}
target_hash = HASH_OF(environment);
if (!target_hash) {
return env;
}
/* first, we have to get the size of all the elements in the hash */
for (zend_hash_internal_pointer_reset_ex(target_hash, &pos);
zend_hash_get_current_data_ex(target_hash, (void **) &element, &pos) == SUCCESS;
zend_hash_move_forward_ex(target_hash, &pos)) {
if (Z_TYPE_PP(element) != IS_STRING) {
zval tmp;
MAKE_COPY_ZVAL(element, &tmp);
convert_to_string(&tmp);
el_len = Z_STRLEN(tmp);
zval_dtor(&tmp);
} else {
el_len = Z_STRLEN_PP(element);
}
if (el_len == 0) {
continue;
}
sizeenv += el_len+1;
switch (zend_hash_get_current_key_ex(target_hash, &string_key, &string_length, &num_key, 0, &pos)) {
case HASH_KEY_IS_STRING:
if (string_length == 0) {
continue;
}
sizeenv += string_length;
break;
}
}
#ifndef PHP_WIN32
ep = env.envarray = (char **) pecalloc(cnt + 1, sizeof(char *), is_persistent);
#endif
p = env.envp = (char *) pecalloc(sizeenv + 4, 1, is_persistent);
for (zend_hash_internal_pointer_reset_ex(target_hash, &pos);
zend_hash_get_current_data_ex(target_hash, (void **) &element, &pos) == SUCCESS;
zend_hash_move_forward_ex(target_hash, &pos)) {
zval tmp;
if (Z_TYPE_PP(element) != IS_STRING) {
MAKE_COPY_ZVAL(element, &tmp);
convert_to_string(&tmp);
} else {
tmp = **element;
}
el_len = Z_STRLEN(tmp);
if (el_len == 0) {
goto next_element;
}
data = Z_STRVAL(tmp);
switch (zend_hash_get_current_key_ex(target_hash, &string_key, &string_length, &num_key, 0, &pos)) {
case HASH_KEY_IS_STRING:
if (string_length == 0) {
goto next_element;
}
l = string_length + el_len + 1;
memcpy(p, string_key, string_length);
strncat(p, "=", 1);
strncat(p, data, el_len);
#ifndef PHP_WIN32
*ep = p;
++ep;
#endif
p += l;
break;
case HASH_KEY_IS_LONG:
memcpy(p,data,el_len);
#ifndef PHP_WIN32
*ep = p;
++ep;
#endif
p += el_len + 1;
break;
case HASH_KEY_NON_EXISTENT:
break;
}
next_element:
if (Z_TYPE_PP(element) != IS_STRING) {
zval_dtor(&tmp);
}
}
assert((uint)(p - env.envp) <= sizeenv);
zend_hash_internal_pointer_reset_ex(target_hash, &pos);
return env;
}
void zend_optimizer_compact_literals(zend_op_array *op_array, zend_optimizer_ctx *ctx)
{
zend_op *opline, *end;
int i, j, n, *map, cache_size;
zval zv, *pos;
literal_info *info;
int l_null = -1;
int l_false = -1;
int l_true = -1;
int l_empty_arr = -1;
HashTable hash;
zend_string *key = NULL;
void *checkpoint = zend_arena_checkpoint(ctx->arena);
int *const_slot, *class_slot, *func_slot, *bind_var_slot, *property_slot, *method_slot;
if (op_array->last_literal) {
info = (literal_info*)zend_arena_calloc(&ctx->arena, op_array->last_literal, sizeof(literal_info));
/* Mark literals of specific types */
opline = op_array->opcodes;
end = opline + op_array->last;
while (opline < end) {
switch (opline->opcode) {
case ZEND_INIT_FCALL:
LITERAL_INFO(opline->op2.constant, LITERAL_FUNC, 1);
break;
case ZEND_INIT_FCALL_BY_NAME:
LITERAL_INFO(opline->op2.constant, LITERAL_FUNC, 2);
break;
case ZEND_INIT_NS_FCALL_BY_NAME:
LITERAL_INFO(opline->op2.constant, LITERAL_FUNC, 3);
break;
case ZEND_INIT_METHOD_CALL:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 1);
}
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_METHOD, 2);
}
break;
case ZEND_INIT_STATIC_METHOD_CALL:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_CLASS, 2);
}
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_STATIC_METHOD, 2);
}
break;
case ZEND_CATCH:
LITERAL_INFO(opline->op1.constant, LITERAL_CLASS, 2);
break;
case ZEND_DEFINED:
LITERAL_INFO(opline->op1.constant, LITERAL_CONST, 2);
break;
case ZEND_FETCH_CONSTANT:
if ((opline->op1.num & (IS_CONSTANT_IN_NAMESPACE|IS_CONSTANT_UNQUALIFIED)) == (IS_CONSTANT_IN_NAMESPACE|IS_CONSTANT_UNQUALIFIED)) {
LITERAL_INFO(opline->op2.constant, LITERAL_CONST, 5);
} else {
LITERAL_INFO(opline->op2.constant, LITERAL_CONST, 3);
}
break;
case ZEND_FETCH_CLASS_CONSTANT:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_CLASS, 2);
}
LITERAL_INFO(opline->op2.constant, LITERAL_CLASS_CONST, 1);
break;
case ZEND_FETCH_STATIC_PROP_R:
case ZEND_FETCH_STATIC_PROP_W:
case ZEND_FETCH_STATIC_PROP_RW:
case ZEND_FETCH_STATIC_PROP_IS:
case ZEND_FETCH_STATIC_PROP_UNSET:
case ZEND_FETCH_STATIC_PROP_FUNC_ARG:
case ZEND_UNSET_STATIC_PROP:
case ZEND_ISSET_ISEMPTY_STATIC_PROP:
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_CLASS, 2);
}
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_STATIC_PROPERTY, 1);
}
break;
case ZEND_FETCH_CLASS:
case ZEND_INSTANCEOF:
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_CLASS, 2);
}
break;
case ZEND_NEW:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_CLASS, 2);
}
break;
case ZEND_ASSIGN_OBJ:
case ZEND_FETCH_OBJ_R:
case ZEND_FETCH_OBJ_W:
case ZEND_FETCH_OBJ_RW:
case ZEND_FETCH_OBJ_IS:
case ZEND_FETCH_OBJ_UNSET:
case ZEND_FETCH_OBJ_FUNC_ARG:
case ZEND_UNSET_OBJ:
case ZEND_PRE_INC_OBJ:
case ZEND_PRE_DEC_OBJ:
case ZEND_POST_INC_OBJ:
case ZEND_POST_DEC_OBJ:
case ZEND_ISSET_ISEMPTY_PROP_OBJ:
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_PROPERTY, 1);
}
break;
case ZEND_ASSIGN_ADD:
case ZEND_ASSIGN_SUB:
case ZEND_ASSIGN_MUL:
case ZEND_ASSIGN_DIV:
case ZEND_ASSIGN_POW:
case ZEND_ASSIGN_MOD:
case ZEND_ASSIGN_SL:
case ZEND_ASSIGN_SR:
case ZEND_ASSIGN_CONCAT:
case ZEND_ASSIGN_BW_OR:
case ZEND_ASSIGN_BW_AND:
case ZEND_ASSIGN_BW_XOR:
if (opline->op2_type == IS_CONST) {
if (opline->extended_value == ZEND_ASSIGN_OBJ) {
LITERAL_INFO(opline->op2.constant, LITERAL_PROPERTY, 1);
} else if (opline->extended_value == ZEND_ASSIGN_DIM) {
if (Z_EXTRA(op_array->literals[opline->op2.constant]) == ZEND_EXTRA_VALUE) {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 2);
} else {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 1);
}
} else {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 1);
}
}
break;
case ZEND_BIND_GLOBAL:
LITERAL_INFO(opline->op2.constant, LITERAL_GLOBAL, 1);
break;
case ZEND_RECV_INIT:
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 1);
break;
case ZEND_DECLARE_FUNCTION:
case ZEND_DECLARE_CLASS:
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 2);
break;
case ZEND_DECLARE_INHERITED_CLASS:
case ZEND_DECLARE_INHERITED_CLASS_DELAYED:
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 2);
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 2);
break;
case ZEND_DECLARE_ANON_INHERITED_CLASS:
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 1);
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 2);
break;
case ZEND_ISSET_ISEMPTY_DIM_OBJ:
case ZEND_ASSIGN_DIM:
case ZEND_UNSET_DIM:
case ZEND_FETCH_DIM_R:
case ZEND_FETCH_DIM_W:
case ZEND_FETCH_DIM_RW:
case ZEND_FETCH_DIM_IS:
case ZEND_FETCH_DIM_FUNC_ARG:
case ZEND_FETCH_DIM_UNSET:
case ZEND_FETCH_LIST_R:
case ZEND_FETCH_LIST_W:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 1);
}
if (opline->op2_type == IS_CONST) {
if (Z_EXTRA(op_array->literals[opline->op2.constant]) == ZEND_EXTRA_VALUE) {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 2);
} else {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 1);
}
}
break;
default:
if (opline->op1_type == IS_CONST) {
LITERAL_INFO(opline->op1.constant, LITERAL_VALUE, 1);
}
if (opline->op2_type == IS_CONST) {
LITERAL_INFO(opline->op2.constant, LITERAL_VALUE, 1);
}
break;
}
opline++;
}
#if DEBUG_COMPACT_LITERALS
{
int i, use_copy;
fprintf(stderr, "File %s func %s\n", op_array->filename->val,
op_array->function_name ? op_array->function_name->val : "main");
fprintf(stderr, "Literlas table size %d\n", op_array->last_literal);
for (i = 0; i < op_array->last_literal; i++) {
zval zv;
ZVAL_COPY_VALUE(&zv, op_array->literals + i);
use_copy = zend_make_printable_zval(op_array->literals + i, &zv);
fprintf(stderr, "Literal %d, val (%d):%s\n", i, Z_STRLEN(zv), Z_STRVAL(zv));
if (use_copy) {
zval_ptr_dtor_nogc(&zv);
}
}
fflush(stderr);
}
#endif
/* Merge equal constants */
j = 0;
zend_hash_init(&hash, op_array->last_literal, NULL, NULL, 0);
map = (int*)zend_arena_alloc(&ctx->arena, op_array->last_literal * sizeof(int));
memset(map, 0, op_array->last_literal * sizeof(int));
for (i = 0; i < op_array->last_literal; i++) {
if (!info[i].flags) {
/* unset literal */
zval_ptr_dtor_nogc(&op_array->literals[i]);
continue;
}
switch (Z_TYPE(op_array->literals[i])) {
case IS_NULL:
if (l_null < 0) {
l_null = j;
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
}
map[i] = l_null;
break;
case IS_FALSE:
if (l_false < 0) {
l_false = j;
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
}
map[i] = l_false;
break;
case IS_TRUE:
if (l_true < 0) {
l_true = j;
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
}
map[i] = l_true;
break;
case IS_LONG:
if (LITERAL_NUM_RELATED(info[i].flags) == 1) {
if ((pos = zend_hash_index_find(&hash, Z_LVAL(op_array->literals[i]))) != NULL) {
map[i] = Z_LVAL_P(pos);
} else {
map[i] = j;
ZVAL_LONG(&zv, j);
zend_hash_index_add_new(&hash, Z_LVAL(op_array->literals[i]), &zv);
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
}
} else {
ZEND_ASSERT(LITERAL_NUM_RELATED(info[i].flags) == 2);
key = zend_string_init(Z_STRVAL(op_array->literals[i+1]), Z_STRLEN(op_array->literals[i+1]), 0);
ZSTR_H(key) = ZSTR_HASH(Z_STR(op_array->literals[i+1])) + 100 +
LITERAL_NUM_RELATED(info[i].flags) - 1;
if ((pos = zend_hash_find(&hash, key)) != NULL
&& LITERAL_NUM_RELATED(info[Z_LVAL_P(pos)].flags) == 2) {
map[i] = Z_LVAL_P(pos);
zval_ptr_dtor_nogc(&op_array->literals[i+1]);
} else {
map[i] = j;
ZVAL_LONG(&zv, j);
zend_hash_add_new(&hash, key, &zv);
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
op_array->literals[j+1] = op_array->literals[i+1];
info[j+1] = info[i+1];
}
j += 2;
}
zend_string_release_ex(key, 0);
i++;
}
break;
case IS_DOUBLE:
if ((pos = zend_hash_str_find(&hash, (char*)&Z_DVAL(op_array->literals[i]), sizeof(double))) != NULL) {
map[i] = Z_LVAL_P(pos);
} else {
map[i] = j;
ZVAL_LONG(&zv, j);
zend_hash_str_add(&hash, (char*)&Z_DVAL(op_array->literals[i]), sizeof(double), &zv);
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
}
break;
case IS_STRING:
if (LITERAL_NUM_RELATED(info[i].flags) == 1) {
key = zend_string_copy(Z_STR(op_array->literals[i]));
} else {
key = zend_string_init(Z_STRVAL(op_array->literals[i]), Z_STRLEN(op_array->literals[i]), 0);
ZSTR_H(key) = ZSTR_HASH(Z_STR(op_array->literals[i])) +
LITERAL_NUM_RELATED(info[i].flags) - 1;
}
pos = zend_hash_find(&hash, key);
if (pos != NULL &&
Z_TYPE(op_array->literals[Z_LVAL_P(pos)]) == IS_STRING &&
LITERAL_NUM_RELATED(info[i].flags) == LITERAL_NUM_RELATED(info[Z_LVAL_P(pos)].flags) &&
(LITERAL_NUM_RELATED(info[i].flags) != 2 ||
((info[i].flags & LITERAL_KIND_MASK) != LITERAL_VALUE &&
(info[Z_LVAL_P(pos)].flags & LITERAL_KIND_MASK) != LITERAL_VALUE))) {
zend_string_release_ex(key, 0);
map[i] = Z_LVAL_P(pos);
zval_ptr_dtor_nogc(&op_array->literals[i]);
n = LITERAL_NUM_RELATED(info[i].flags);
while (n > 1) {
i++;
zval_ptr_dtor_nogc(&op_array->literals[i]);
n--;
}
} else {
map[i] = j;
ZVAL_LONG(&zv, j);
zend_hash_add_new(&hash, key, &zv);
zend_string_release_ex(key, 0);
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
n = LITERAL_NUM_RELATED(info[i].flags);
while (n > 1) {
i++;
if (i != j) op_array->literals[j] = op_array->literals[i];
j++;
n--;
}
}
break;
case IS_ARRAY:
if (zend_hash_num_elements(Z_ARRVAL(op_array->literals[i])) == 0) {
if (l_empty_arr < 0) {
l_empty_arr = j;
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
} else {
zval_ptr_dtor_nogc(&op_array->literals[i]);
}
map[i] = l_empty_arr;
break;
}
/* break missing intentionally */
default:
/* don't merge other types */
map[i] = j;
if (i != j) {
op_array->literals[j] = op_array->literals[i];
info[j] = info[i];
}
j++;
break;
}
}
zend_hash_clean(&hash);
op_array->last_literal = j;
const_slot = zend_arena_alloc(&ctx->arena, j * 6 * sizeof(int));
memset(const_slot, -1, j * 6 * sizeof(int));
class_slot = const_slot + j;
func_slot = class_slot + j;
bind_var_slot = func_slot + j;
property_slot = bind_var_slot + j;
method_slot = property_slot + j;
/* Update opcodes to use new literals table */
cache_size = 0;
opline = op_array->opcodes;
end = opline + op_array->last;
while (opline < end) {
if (opline->op1_type == IS_CONST) {
opline->op1.constant = map[opline->op1.constant];
}
if (opline->op2_type == IS_CONST) {
opline->op2.constant = map[opline->op2.constant];
}
switch (opline->opcode) {
case ZEND_RECV_INIT:
if (class_name_type_hint(op_array, opline->op1.num)) {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
}
break;
case ZEND_RECV:
case ZEND_RECV_VARIADIC:
if (class_name_type_hint(op_array, opline->op1.num)) {
opline->op2.num = cache_size;
cache_size += sizeof(void *);
}
break;
case ZEND_VERIFY_RETURN_TYPE:
if (class_name_type_hint(op_array, 0)) {
opline->op2.num = cache_size;
cache_size += sizeof(void *);
}
break;
case ZEND_ASSIGN_ADD:
case ZEND_ASSIGN_SUB:
case ZEND_ASSIGN_MUL:
case ZEND_ASSIGN_DIV:
case ZEND_ASSIGN_POW:
case ZEND_ASSIGN_MOD:
case ZEND_ASSIGN_SL:
case ZEND_ASSIGN_SR:
case ZEND_ASSIGN_CONCAT:
case ZEND_ASSIGN_BW_OR:
case ZEND_ASSIGN_BW_AND:
case ZEND_ASSIGN_BW_XOR:
if (opline->extended_value != ZEND_ASSIGN_OBJ) {
break;
}
if (opline->op2_type == IS_CONST) {
// op2 property
if (opline->op1_type == IS_UNUSED &&
property_slot[opline->op2.constant] >= 0) {
(opline+1)->extended_value = property_slot[opline->op2.constant];
} else {
(opline+1)->extended_value = cache_size;
cache_size += 2 * sizeof(void *);
if (opline->op1_type == IS_UNUSED) {
property_slot[opline->op2.constant] = (opline+1)->extended_value;
}
}
}
break;
case ZEND_ASSIGN_OBJ:
case ZEND_FETCH_OBJ_R:
case ZEND_FETCH_OBJ_W:
case ZEND_FETCH_OBJ_RW:
case ZEND_FETCH_OBJ_IS:
case ZEND_FETCH_OBJ_UNSET:
case ZEND_FETCH_OBJ_FUNC_ARG:
case ZEND_UNSET_OBJ:
case ZEND_PRE_INC_OBJ:
case ZEND_PRE_DEC_OBJ:
case ZEND_POST_INC_OBJ:
case ZEND_POST_DEC_OBJ:
if (opline->op2_type == IS_CONST) {
// op2 property
if (opline->op1_type == IS_UNUSED &&
property_slot[opline->op2.constant] >= 0) {
opline->extended_value = property_slot[opline->op2.constant];
} else {
opline->extended_value = cache_size;
cache_size += 2 * sizeof(void *);
if (opline->op1_type == IS_UNUSED) {
property_slot[opline->op2.constant] = opline->extended_value;
}
}
}
break;
case ZEND_ISSET_ISEMPTY_PROP_OBJ:
if (opline->op2_type == IS_CONST) {
// op2 property
if (opline->op1_type == IS_UNUSED &&
property_slot[opline->op2.constant] >= 0) {
opline->extended_value = property_slot[opline->op2.constant] | (opline->extended_value & ZEND_ISEMPTY);
} else {
opline->extended_value = cache_size | (opline->extended_value & ZEND_ISEMPTY);
cache_size += 2 * sizeof(void *);
if (opline->op1_type == IS_UNUSED) {
property_slot[opline->op2.constant] = opline->extended_value & ~ZEND_ISEMPTY;
}
}
}
break;
case ZEND_INIT_FCALL:
case ZEND_INIT_FCALL_BY_NAME:
case ZEND_INIT_NS_FCALL_BY_NAME:
// op2 func
if (func_slot[opline->op2.constant] >= 0) {
opline->result.num = func_slot[opline->op2.constant];
} else {
opline->result.num = cache_size;
cache_size += sizeof(void *);
func_slot[opline->op2.constant] = opline->result.num;
}
break;
case ZEND_INIT_METHOD_CALL:
if (opline->op2_type == IS_CONST) {
// op2 method
if (opline->op1_type == IS_UNUSED &&
method_slot[opline->op2.constant] >= 0) {
opline->result.num = method_slot[opline->op2.constant];
} else {
opline->result.num = cache_size;
cache_size += 2 * sizeof(void *);
if (opline->op1_type == IS_UNUSED) {
method_slot[opline->op2.constant] = opline->result.num;
}
}
}
break;
case ZEND_INIT_STATIC_METHOD_CALL:
if (opline->op2_type == IS_CONST) {
// op2 static method
if (opline->op1_type == IS_CONST) {
opline->result.num = add_static_slot(&hash, op_array,
opline->op1.constant,
opline->op2.constant,
LITERAL_STATIC_METHOD,
&cache_size);
} else {
opline->result.num = cache_size;
cache_size += 2 * sizeof(void *);
}
} else if (opline->op1_type == IS_CONST) {
// op1 class
if (class_slot[opline->op1.constant] >= 0) {
opline->result.num = class_slot[opline->op1.constant];
} else {
opline->result.num = cache_size;
cache_size += sizeof(void *);
class_slot[opline->op1.constant] = opline->result.num;
}
}
break;
case ZEND_DEFINED:
// op1 const
if (const_slot[opline->op1.constant] >= 0) {
opline->extended_value = const_slot[opline->op1.constant];
} else {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
const_slot[opline->op1.constant] = opline->extended_value;
}
break;
case ZEND_FETCH_CONSTANT:
// op2 const
if (const_slot[opline->op2.constant] >= 0) {
opline->extended_value = const_slot[opline->op2.constant];
} else {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
const_slot[opline->op2.constant] = opline->extended_value;
}
break;
case ZEND_FETCH_CLASS_CONSTANT:
if (opline->op1_type == IS_CONST) {
// op1/op2 class_const
opline->extended_value = add_static_slot(&hash, op_array,
opline->op1.constant,
opline->op2.constant,
LITERAL_CLASS_CONST,
&cache_size);
} else {
opline->extended_value = cache_size;
cache_size += 2 * sizeof(void *);
}
break;
case ZEND_FETCH_STATIC_PROP_R:
case ZEND_FETCH_STATIC_PROP_W:
case ZEND_FETCH_STATIC_PROP_RW:
case ZEND_FETCH_STATIC_PROP_IS:
case ZEND_FETCH_STATIC_PROP_UNSET:
case ZEND_FETCH_STATIC_PROP_FUNC_ARG:
case ZEND_UNSET_STATIC_PROP:
if (opline->op1_type == IS_CONST) {
// op1 static property
if (opline->op2_type == IS_CONST) {
opline->extended_value = add_static_slot(&hash, op_array,
opline->op2.constant,
opline->op1.constant,
LITERAL_STATIC_PROPERTY,
&cache_size);
} else {
opline->extended_value = cache_size;
cache_size += 2 * sizeof(void *);
}
} else if (opline->op2_type == IS_CONST) {
// op2 class
if (class_slot[opline->op2.constant] >= 0) {
opline->extended_value = class_slot[opline->op2.constant];
} else {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
class_slot[opline->op2.constant] = opline->extended_value;
}
}
break;
case ZEND_ISSET_ISEMPTY_STATIC_PROP:
if (opline->op1_type == IS_CONST) {
// op1 static property
if (opline->op2_type == IS_CONST) {
opline->extended_value = add_static_slot(&hash, op_array,
opline->op2.constant,
opline->op1.constant,
LITERAL_STATIC_PROPERTY,
&cache_size) | (opline->extended_value & ZEND_ISEMPTY);
} else {
opline->extended_value = cache_size | (opline->extended_value & ZEND_ISEMPTY);
cache_size += 2 * sizeof(void *);
}
} else if (opline->op2_type == IS_CONST) {
// op2 class
if (class_slot[opline->op2.constant] >= 0) {
opline->extended_value = class_slot[opline->op2.constant] | (opline->extended_value & ZEND_ISEMPTY);
} else {
opline->extended_value = cache_size | (opline->extended_value & ZEND_ISEMPTY);
cache_size += sizeof(void *);
class_slot[opline->op2.constant] = opline->extended_value & ~ZEND_ISEMPTY;
}
}
break;
case ZEND_FETCH_CLASS:
case ZEND_INSTANCEOF:
if (opline->op2_type == IS_CONST) {
// op2 class
if (class_slot[opline->op2.constant] >= 0) {
opline->extended_value = class_slot[opline->op2.constant];
} else {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
class_slot[opline->op2.constant] = opline->extended_value;
}
}
break;
case ZEND_NEW:
if (opline->op1_type == IS_CONST) {
// op1 class
if (class_slot[opline->op1.constant] >= 0) {
opline->op2.num = class_slot[opline->op1.constant];
} else {
opline->op2.num = cache_size;
cache_size += sizeof(void *);
class_slot[opline->op1.constant] = opline->op2.num;
}
}
break;
case ZEND_CATCH:
if (opline->op1_type == IS_CONST) {
// op1 class
if (class_slot[opline->op1.constant] >= 0) {
opline->extended_value = class_slot[opline->op1.constant] | (opline->extended_value & ZEND_LAST_CATCH);
} else {
opline->extended_value = cache_size | (opline->extended_value & ZEND_LAST_CATCH);
cache_size += sizeof(void *);
class_slot[opline->op1.constant] = opline->extended_value & ~ZEND_LAST_CATCH;
}
}
break;
case ZEND_BIND_GLOBAL:
// op2 bind var
if (bind_var_slot[opline->op2.constant] >= 0) {
opline->extended_value = bind_var_slot[opline->op2.constant];
} else {
opline->extended_value = cache_size;
cache_size += sizeof(void *);
bind_var_slot[opline->op2.constant] = opline->extended_value;
}
break;
}
opline++;
}
op_array->cache_size = cache_size;
zend_hash_destroy(&hash);
zend_arena_release(&ctx->arena, checkpoint);
if (1) {
opline = op_array->opcodes;
while (1) {
if (opline->opcode == ZEND_RECV_INIT) {
zval *val = &op_array->literals[opline->op2.constant];
if (Z_TYPE_P(val) == IS_CONSTANT_AST) {
uint32_t slot = ZEND_MM_ALIGNED_SIZE_EX(op_array->cache_size, 8);
Z_CACHE_SLOT_P(val) = slot;
op_array->cache_size += sizeof(zval);
}
} else if (opline->opcode != ZEND_RECV) {
break;
}
opline++;
}
}
#if DEBUG_COMPACT_LITERALS
{
int i, use_copy;
fprintf(stderr, "Optimized literlas table size %d\n", op_array->last_literal);
for (i = 0; i < op_array->last_literal; i++) {
zval zv;
ZVAL_COPY_VALUE(&zv, op_array->literals + i);
use_copy = zend_make_printable_zval(op_array->literals + i, &zv);
fprintf(stderr, "Literal %d, val (%d):%s\n", i, Z_STRLEN(zv), Z_STRVAL(zv));
if (use_copy) {
zval_ptr_dtor_nogc(&zv);
}
}
fflush(stderr);
}
#endif
}
}
PDO_API int pdo_parse_params(pdo_stmt_t *stmt, char *inquery, size_t inquery_len,
char **outquery, size_t *outquery_len)
{
Scanner s;
char *ptr, *newbuffer;
int t;
int bindno = 0;
int ret = 0;
size_t newbuffer_len;
HashTable *params;
struct pdo_bound_param_data *param;
int query_type = PDO_PLACEHOLDER_NONE;
struct placeholder *placeholders = NULL, *placetail = NULL, *plc = NULL;
ptr = *outquery;
s.cur = inquery;
s.end = inquery + inquery_len + 1;
/* phase 1: look for args */
while((t = scan(&s)) != PDO_PARSER_EOI) {
if (t == PDO_PARSER_BIND || t == PDO_PARSER_BIND_POS) {
if (t == PDO_PARSER_BIND) {
int len = s.cur - s.tok;
if ((inquery < (s.cur - len)) && isalnum(*(s.cur - len - 1))) {
continue;
}
query_type |= PDO_PLACEHOLDER_NAMED;
} else {
query_type |= PDO_PLACEHOLDER_POSITIONAL;
}
plc = emalloc(sizeof(*plc));
memset(plc, 0, sizeof(*plc));
plc->next = NULL;
plc->pos = s.tok;
plc->len = s.cur - s.tok;
plc->bindno = bindno++;
if (placetail) {
placetail->next = plc;
} else {
placeholders = plc;
}
placetail = plc;
}
}
if (bindno == 0) {
/* nothing to do; good! */
return 0;
}
/* did the query make sense to me? */
if (query_type == (PDO_PLACEHOLDER_NAMED|PDO_PLACEHOLDER_POSITIONAL)) {
/* they mixed both types; punt */
pdo_raise_impl_error(stmt->dbh, stmt, "HY093", "mixed named and positional parameters");
ret = -1;
goto clean_up;
}
if (stmt->supports_placeholders == query_type && !stmt->named_rewrite_template) {
/* query matches native syntax */
ret = 0;
goto clean_up;
}
if (stmt->named_rewrite_template) {
/* magic/hack.
* We we pretend that the query was positional even if
* it was named so that we fall into the
* named rewrite case below. Not too pretty,
* but it works. */
query_type = PDO_PLACEHOLDER_POSITIONAL;
}
params = stmt->bound_params;
/* Do we have placeholders but no bound params */
if (bindno && !params && stmt->supports_placeholders == PDO_PLACEHOLDER_NONE) {
pdo_raise_impl_error(stmt->dbh, stmt, "HY093", "no parameters were bound");
ret = -1;
goto clean_up;
}
if (params && bindno != zend_hash_num_elements(params) && stmt->supports_placeholders == PDO_PLACEHOLDER_NONE) {
/* extra bit of validation for instances when same params are bound more than once */
if (query_type != PDO_PLACEHOLDER_POSITIONAL && bindno > zend_hash_num_elements(params)) {
int ok = 1;
for (plc = placeholders; plc; plc = plc->next) {
if ((param = zend_hash_str_find_ptr(params, plc->pos, plc->len)) == NULL) {
ok = 0;
break;
}
}
if (ok) {
goto safe;
}
}
pdo_raise_impl_error(stmt->dbh, stmt, "HY093", "number of bound variables does not match number of tokens");
ret = -1;
goto clean_up;
}
safe:
/* what are we going to do ? */
if (stmt->supports_placeholders == PDO_PLACEHOLDER_NONE) {
/* query generation */
newbuffer_len = inquery_len;
/* let's quote all the values */
for (plc = placeholders; plc; plc = plc->next) {
if (query_type == PDO_PLACEHOLDER_POSITIONAL) {
param = zend_hash_index_find_ptr(params, plc->bindno);
} else {
param = zend_hash_str_find_ptr(params, plc->pos, plc->len);
}
if (param == NULL) {
/* parameter was not defined */
ret = -1;
pdo_raise_impl_error(stmt->dbh, stmt, "HY093", "parameter was not defined");
goto clean_up;
}
if (stmt->dbh->methods->quoter) {
zval *parameter;
if (Z_ISREF(param->parameter)) {
parameter = Z_REFVAL(param->parameter);
} else {
parameter = ¶m->parameter;
}
if (param->param_type == PDO_PARAM_LOB && Z_TYPE_P(parameter) == IS_RESOURCE) {
php_stream *stm;
php_stream_from_zval_no_verify(stm, parameter);
if (stm) {
zend_string *buf;
buf = php_stream_copy_to_mem(stm, PHP_STREAM_COPY_ALL, 0);
if (!buf) {
buf = ZSTR_EMPTY_ALLOC();
}
if (!stmt->dbh->methods->quoter(stmt->dbh, ZSTR_VAL(buf), ZSTR_LEN(buf), &plc->quoted, &plc->qlen,
param->param_type)) {
/* bork */
ret = -1;
strncpy(stmt->error_code, stmt->dbh->error_code, 6);
if (buf) {
zend_string_release(buf);
}
goto clean_up;
}
if (buf) {
zend_string_release(buf);
}
} else {
pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource");
ret = -1;
goto clean_up;
}
plc->freeq = 1;
} else {
zval tmp_param;
ZVAL_DUP(&tmp_param, parameter);
switch (Z_TYPE(tmp_param)) {
case IS_NULL:
plc->quoted = "NULL";
plc->qlen = sizeof("NULL")-1;
plc->freeq = 0;
break;
case IS_FALSE:
case IS_TRUE:
convert_to_long(&tmp_param);
/* fall through */
case IS_LONG:
case IS_DOUBLE:
convert_to_string(&tmp_param);
plc->qlen = Z_STRLEN(tmp_param);
plc->quoted = estrdup(Z_STRVAL(tmp_param));
plc->freeq = 1;
break;
default:
convert_to_string(&tmp_param);
if (!stmt->dbh->methods->quoter(stmt->dbh, Z_STRVAL(tmp_param),
Z_STRLEN(tmp_param), &plc->quoted, &plc->qlen,
param->param_type)) {
/* bork */
ret = -1;
strncpy(stmt->error_code, stmt->dbh->error_code, 6);
goto clean_up;
}
plc->freeq = 1;
}
zval_dtor(&tmp_param);
}
} else {
zval *parameter;
if (Z_ISREF(param->parameter)) {
parameter = Z_REFVAL(param->parameter);
} else {
parameter = ¶m->parameter;
}
plc->quoted = Z_STRVAL_P(parameter);
plc->qlen = Z_STRLEN_P(parameter);
}
newbuffer_len += plc->qlen;
}
rewrite:
/* allocate output buffer */
newbuffer = emalloc(newbuffer_len + 1);
*outquery = newbuffer;
/* and build the query */
plc = placeholders;
ptr = inquery;
do {
t = plc->pos - ptr;
if (t) {
memcpy(newbuffer, ptr, t);
newbuffer += t;
}
memcpy(newbuffer, plc->quoted, plc->qlen);
newbuffer += plc->qlen;
ptr = plc->pos + plc->len;
plc = plc->next;
} while (plc);
t = (inquery + inquery_len) - ptr;
if (t) {
memcpy(newbuffer, ptr, t);
newbuffer += t;
}
*newbuffer = '\0';
*outquery_len = newbuffer - *outquery;
ret = 1;
goto clean_up;
} else if (query_type == PDO_PLACEHOLDER_POSITIONAL) {
/* rewrite ? to :pdoX */
char *name, *idxbuf;
const char *tmpl = stmt->named_rewrite_template ? stmt->named_rewrite_template : ":pdo%d";
int bind_no = 1;
newbuffer_len = inquery_len;
if (stmt->bound_param_map == NULL) {
ALLOC_HASHTABLE(stmt->bound_param_map);
zend_hash_init(stmt->bound_param_map, 13, NULL, free_param_name, 0);
}
for (plc = placeholders; plc; plc = plc->next) {
int skip_map = 0;
char *p;
name = estrndup(plc->pos, plc->len);
/* check if bound parameter is already available */
if (!strcmp(name, "?") || (p = zend_hash_str_find_ptr(stmt->bound_param_map, name, plc->len)) == NULL) {
spprintf(&idxbuf, 0, tmpl, bind_no++);
} else {
idxbuf = estrdup(p);
skip_map = 1;
}
plc->quoted = idxbuf;
plc->qlen = strlen(plc->quoted);
plc->freeq = 1;
newbuffer_len += plc->qlen;
if (!skip_map && stmt->named_rewrite_template) {
/* create a mapping */
zend_hash_str_update_mem(stmt->bound_param_map, name, plc->len, idxbuf, plc->qlen + 1);
}
/* map number to name */
zend_hash_index_update_mem(stmt->bound_param_map, plc->bindno, idxbuf, plc->qlen + 1);
efree(name);
}
goto rewrite;
} else {
/* rewrite :name to ? */
newbuffer_len = inquery_len;
if (stmt->bound_param_map == NULL) {
ALLOC_HASHTABLE(stmt->bound_param_map);
zend_hash_init(stmt->bound_param_map, 13, NULL, free_param_name, 0);
}
for (plc = placeholders; plc; plc = plc->next) {
char *name;
name = estrndup(plc->pos, plc->len);
zend_hash_index_update_mem(stmt->bound_param_map, plc->bindno, name, plc->len + 1);
efree(name);
plc->quoted = "?";
plc->qlen = 1;
}
goto rewrite;
}
clean_up:
while (placeholders) {
plc = placeholders;
placeholders = plc->next;
if (plc->freeq) {
efree(plc->quoted);
}
efree(plc);
}
return ret;
}
static int do_callback(struct pdo_sqlite_fci *fc, zval *cb,
int argc, sqlite3_value **argv, sqlite3_context *context,
int is_agg)
{
zval *zargs = NULL;
zval retval;
int i;
int ret;
int fake_argc;
zend_reference *agg_context = NULL;
if (is_agg) {
is_agg = 2;
}
fake_argc = argc + is_agg;
fc->fci.size = sizeof(fc->fci);
ZVAL_COPY_VALUE(&fc->fci.function_name, cb);
fc->fci.object = NULL;
fc->fci.retval = &retval;
fc->fci.param_count = fake_argc;
/* build up the params */
if (fake_argc) {
zargs = safe_emalloc(fake_argc, sizeof(zval), 0);
}
if (is_agg) {
agg_context = (zend_reference*)sqlite3_aggregate_context(context, sizeof(zend_reference));
if (!agg_context) {
ZVAL_NULL(&zargs[0]);
} else {
if (Z_ISUNDEF(agg_context->val)) {
GC_REFCOUNT(agg_context) = 1;
GC_TYPE_INFO(agg_context) = IS_REFERENCE;
ZVAL_NULL(&agg_context->val);
}
ZVAL_REF(&zargs[0], agg_context);
}
ZVAL_LONG(&zargs[1], sqlite3_aggregate_count(context));
}
for (i = 0; i < argc; i++) {
/* get the value */
switch (sqlite3_value_type(argv[i])) {
case SQLITE_INTEGER:
ZVAL_LONG(&zargs[i + is_agg], sqlite3_value_int(argv[i]));
break;
case SQLITE_FLOAT:
ZVAL_DOUBLE(&zargs[i + is_agg], sqlite3_value_double(argv[i]));
break;
case SQLITE_NULL:
ZVAL_NULL(&zargs[i + is_agg]);
break;
case SQLITE_BLOB:
case SQLITE3_TEXT:
default:
ZVAL_STRINGL(&zargs[i + is_agg], (char*)sqlite3_value_text(argv[i]), sqlite3_value_bytes(argv[i]));
break;
}
}
fc->fci.params = zargs;
if ((ret = zend_call_function(&fc->fci, &fc->fcc)) == FAILURE) {
php_error_docref(NULL, E_WARNING, "An error occurred while invoking the callback");
}
/* clean up the params */
if (zargs) {
for (i = is_agg; i < fake_argc; i++) {
zval_ptr_dtor(&zargs[i]);
}
if (is_agg) {
zval_ptr_dtor(&zargs[1]);
}
efree(zargs);
}
if (!is_agg || !argv) {
/* only set the sqlite return value if we are a scalar function,
* or if we are finalizing an aggregate */
if (!Z_ISUNDEF(retval)) {
switch (Z_TYPE(retval)) {
case IS_LONG:
sqlite3_result_int(context, Z_LVAL(retval));
break;
case IS_NULL:
sqlite3_result_null(context);
break;
case IS_DOUBLE:
sqlite3_result_double(context, Z_DVAL(retval));
break;
default:
convert_to_string_ex(&retval);
sqlite3_result_text(context, Z_STRVAL(retval), Z_STRLEN(retval), SQLITE_TRANSIENT);
break;
}
} else {
sqlite3_result_error(context, "failed to invoke callback", 0);
}
if (agg_context) {
zval_ptr_dtor(&agg_context->val);
}
} else {
/* we're stepping in an aggregate; the return value goes into
* the context */
if (agg_context) {
zval_ptr_dtor(&agg_context->val);
}
if (!Z_ISUNDEF(retval)) {
ZVAL_COPY_VALUE(&agg_context->val, &retval);
ZVAL_UNDEF(&retval);
} else {
ZVAL_UNDEF(&agg_context->val);
}
}
if (!Z_ISUNDEF(retval)) {
zval_ptr_dtor(&retval);
}
return ret;
}
/* {{{ php_dba_open
*/
static void php_dba_open(INTERNAL_FUNCTION_PARAMETERS, int persistent)
{
zval *args = NULL;
int ac = ZEND_NUM_ARGS();
dba_mode_t modenr;
dba_info *info, *other;
dba_handler *hptr;
char *key = NULL, *error = NULL;
int keylen = 0;
int i;
int lock_mode, lock_flag, lock_dbf = 0;
char *file_mode;
char mode[4], *pmode, *lock_file_mode = NULL;
int persistent_flag = persistent ? STREAM_OPEN_PERSISTENT : 0;
zend_string *opened_path = NULL;
char *lock_name;
if (ac < 2) {
WRONG_PARAM_COUNT;
}
/* we pass additional args to the respective handler */
args = safe_emalloc(ac, sizeof(zval), 0);
if (zend_get_parameters_array_ex(ac, args) != SUCCESS) {
efree(args);
WRONG_PARAM_COUNT;
}
/* we only take string arguments */
for (i = 0; i < ac; i++) {
if (Z_TYPE(args[i]) != IS_STRING) {
convert_to_string_ex(&args[i]);
} else if (Z_REFCOUNTED(args[i])) {
Z_ADDREF(args[i]);
}
keylen += Z_STRLEN(args[i]);
}
if (persistent) {
zend_resource *le;
/* calculate hash */
key = safe_emalloc(keylen, 1, 1);
key[keylen] = '\0';
keylen = 0;
for(i = 0; i < ac; i++) {
memcpy(key+keylen, Z_STRVAL(args[i]), Z_STRLEN(args[i]));
keylen += Z_STRLEN(args[i]);
}
/* try to find if we already have this link in our persistent list */
if ((le = zend_hash_str_find_ptr(&EG(persistent_list), key, keylen)) != NULL) {
FREENOW;
if (le->type != le_pdb) {
RETURN_FALSE;
}
info = (dba_info *)le->ptr;
GC_REFCOUNT(le)++;
RETURN_RES(le);
return;
}
}
if (ac==2) {
hptr = DBA_G(default_hptr);
if (!hptr) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "No default handler selected");
FREENOW;
RETURN_FALSE;
}
} else {
for (hptr = handler; hptr->name && strcasecmp(hptr->name, Z_STRVAL(args[2])); hptr++);
}
if (!hptr->name) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "No such handler: %s", Z_STRVAL(args[2]));
FREENOW;
RETURN_FALSE;
}
/* Check mode: [rwnc][fl]?t?
* r: Read
* w: Write
* n: Create/Truncate
* c: Create
*
* d: force lock on database file
* l: force lock on lck file
* -: ignore locking
*
* t: test open database, warning if locked
*/
strlcpy(mode, Z_STRVAL(args[1]), sizeof(mode));
pmode = &mode[0];
if (pmode[0] && (pmode[1]=='d' || pmode[1]=='l' || pmode[1]=='-')) { /* force lock on db file or lck file or disable locking */
switch (pmode[1]) {
case 'd':
lock_dbf = 1;
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
lock_flag = (hptr->flags & DBA_LOCK_ALL);
break;
}
/* no break */
case 'l':
lock_flag = DBA_LOCK_ALL;
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_NOTICE, "Handler %s does locking internally", hptr->name);
}
break;
default:
case '-':
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Locking cannot be disabled for handler %s", hptr->name);
FREENOW;
RETURN_FALSE;
}
lock_flag = 0;
break;
}
} else {
lock_flag = (hptr->flags&DBA_LOCK_ALL);
lock_dbf = 1;
}
switch (*pmode++) {
case 'r':
modenr = DBA_READER;
lock_mode = (lock_flag & DBA_LOCK_READER) ? LOCK_SH : 0;
file_mode = "r";
break;
case 'w':
modenr = DBA_WRITER;
lock_mode = (lock_flag & DBA_LOCK_WRITER) ? LOCK_EX : 0;
file_mode = "r+b";
break;
case 'c':
modenr = DBA_CREAT;
lock_mode = (lock_flag & DBA_LOCK_CREAT) ? LOCK_EX : 0;
if (lock_mode) {
if (lock_dbf) {
/* the create/append check will be done on the lock
* when the lib opens the file it is already created
*/
file_mode = "r+b"; /* read & write, seek 0 */
lock_file_mode = "a+b"; /* append */
} else {
file_mode = "a+b"; /* append */
lock_file_mode = "w+b"; /* create/truncate */
}
} else {
file_mode = "a+b";
}
/* In case of the 'a+b' append mode, the handler is responsible
* to handle any rewind problems (see flatfile handler).
*/
break;
case 'n':
modenr = DBA_TRUNC;
lock_mode = (lock_flag & DBA_LOCK_TRUNC) ? LOCK_EX : 0;
file_mode = "w+b";
break;
default:
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Illegal DBA mode");
FREENOW;
RETURN_FALSE;
}
if (!lock_file_mode) {
lock_file_mode = file_mode;
}
if (*pmode=='d' || *pmode=='l' || *pmode=='-') {
pmode++; /* done already - skip here */
}
if (*pmode=='t') {
pmode++;
if (!lock_flag) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "You cannot combine modifiers - (no lock) and t (test lock)");
FREENOW;
RETURN_FALSE;
}
if (!lock_mode) {
if ((hptr->flags & DBA_LOCK_ALL) == 0) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Handler %s uses its own locking which doesn't support mode modifier t (test lock)", hptr->name);
FREENOW;
RETURN_FALSE;
} else {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Handler %s doesn't uses locking for this mode which makes modifier t (test lock) obsolete", hptr->name);
FREENOW;
RETURN_FALSE;
}
} else {
lock_mode |= LOCK_NB; /* test =: non blocking */
}
}
if (*pmode) {
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Illegal DBA mode");
FREENOW;
RETURN_FALSE;
}
info = pemalloc(sizeof(dba_info), persistent);
memset(info, 0, sizeof(dba_info));
info->path = pestrdup(Z_STRVAL(args[0]), persistent);
info->mode = modenr;
info->argc = ac - 3;
info->argv = args + 3;
info->flags = (hptr->flags & ~DBA_LOCK_ALL) | (lock_flag & DBA_LOCK_ALL) | (persistent ? DBA_PERSISTENT : 0);
info->lock.mode = lock_mode;
/* if any open call is a locking call:
* check if we already habe a locking call open that should block this call
* the problem is some systems would allow read during write
*/
if (hptr->flags & DBA_LOCK_ALL) {
if ((other = php_dba_find(info->path)) != NULL) {
if ( ( (lock_mode&LOCK_EX) && (other->lock.mode&(LOCK_EX|LOCK_SH)) )
|| ( (other->lock.mode&LOCK_EX) && (lock_mode&(LOCK_EX|LOCK_SH)) )
) {
error = "Unable to establish lock (database file already open)"; /* force failure exit */
}
}
}
if (!error && lock_mode) {
if (lock_dbf) {
lock_name = Z_STRVAL(args[0]);
} else {
spprintf(&lock_name, 0, "%s.lck", info->path);
if (!strcmp(file_mode, "r")) {
/* when in read only mode try to use existing .lck file first */
/* do not log errors for .lck file while in read ony mode on .lck file */
lock_file_mode = "rb";
info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|IGNORE_PATH|persistent_flag, &opened_path);
}
if (!info->lock.fp) {
/* when not in read mode or failed to open .lck file read only. now try again in create(write) mode and log errors */
lock_file_mode = "a+b";
} else {
if (opened_path) {
info->lock.name = pestrndup(opened_path->val, opened_path->len, persistent);
zend_string_release(opened_path);
}
}
}
if (!info->lock.fp) {
info->lock.fp = php_stream_open_wrapper(lock_name, lock_file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, &opened_path);
if (info->lock.fp) {
if (lock_dbf) {
/* replace the path info with the real path of the opened file */
pefree(info->path, persistent);
info->path = pestrndup(opened_path->val, opened_path->len, persistent);
}
/* now store the name of the lock */
info->lock.name = pestrndup(opened_path->val, opened_path->len, persistent);
zend_string_release(opened_path);
}
}
if (!lock_dbf) {
efree(lock_name);
}
if (!info->lock.fp) {
dba_close(info);
/* stream operation already wrote an error message */
FREENOW;
RETURN_FALSE;
}
if (!php_stream_supports_lock(info->lock.fp)) {
error = "Stream does not support locking";
}
if (php_stream_lock(info->lock.fp, lock_mode)) {
error = "Unable to establish lock"; /* force failure exit */
}
}
/* centralised open stream for builtin */
if (!error && (hptr->flags&DBA_STREAM_OPEN)==DBA_STREAM_OPEN) {
if (info->lock.fp && lock_dbf) {
info->fp = info->lock.fp; /* use the same stream for locking and database access */
} else {
info->fp = php_stream_open_wrapper(info->path, file_mode, STREAM_MUST_SEEK|REPORT_ERRORS|IGNORE_PATH|persistent_flag, NULL);
}
if (!info->fp) {
dba_close(info);
/* stream operation already wrote an error message */
FREENOW;
RETURN_FALSE;
}
if (hptr->flags & (DBA_NO_APPEND|DBA_CAST_AS_FD)) {
/* Needed because some systems do not allow to write to the original
* file contents with O_APPEND being set.
*/
if (SUCCESS != php_stream_cast(info->fp, PHP_STREAM_AS_FD, (void*)&info->fd, 1)) {
php_error_docref(NULL, E_WARNING, "Could not cast stream");
dba_close(info);
FREENOW;
RETURN_FALSE;
#ifdef F_SETFL
} else if (modenr == DBA_CREAT) {
int flags = fcntl(info->fd, F_SETFL);
fcntl(info->fd, F_SETFL, flags & ~O_APPEND);
#endif
}
}
}
if (error || hptr->open(info, &error) != SUCCESS) {
dba_close(info);
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Driver initialization failed for handler: %s%s%s", hptr->name, error?": ":"", error?error:"");
FREENOW;
RETURN_FALSE;
}
info->hnd = hptr;
info->argc = 0;
info->argv = NULL;
if (persistent) {
zend_resource new_le;
new_le.type = le_pdb;
new_le.ptr = info;
if (zend_hash_str_update_mem(&EG(persistent_list), key, keylen, &new_le, sizeof(zend_resource)) == NULL) {
dba_close(info);
php_error_docref2(NULL, Z_STRVAL(args[0]), Z_STRVAL(args[1]), E_WARNING, "Could not register persistent resource");
FREENOW;
RETURN_FALSE;
}
}
RETVAL_RES(zend_register_resource(info, (persistent ? le_pdb : le_db)));
FREENOW;
}
static void call_php(char *name, PARAMDSC *r, int argc, PARAMDSC **argv)
{
do {
zval callback, args[4], *argp[4], return_value;
PARAMVARY *res = (PARAMVARY*)r->dsc_address;
int i;
INIT_ZVAL(callback);
ZVAL_STRING(&callback,name,0);
LOCK();
/* check if the requested function exists */
if (!zend_is_callable(&callback, 0, NULL TSRMLS_CC)) {
break;
}
UNLOCK();
/* create the argument array */
for (i = 0; i < argc; ++i) {
INIT_ZVAL(args[i]);
argp[i] = &args[i];
/* test arg for null */
if (argv[i]->dsc_flags & DSC_null) {
ZVAL_NULL(argp[i]);
continue;
}
switch (argv[i]->dsc_dtype) {
ISC_INT64 l;
struct tm t;
char const *fmt;
char d[64];
case dtype_cstring:
ZVAL_STRING(argp[i], (char*)argv[i]->dsc_address,0);
break;
case dtype_text:
ZVAL_STRINGL(argp[i], (char*)argv[i]->dsc_address, argv[i]->dsc_length,0);
break;
case dtype_varying:
ZVAL_STRINGL(argp[i], ((PARAMVARY*)argv[i]->dsc_address)->vary_string,
((PARAMVARY*)argv[i]->dsc_address)->vary_length,0);
break;
case dtype_short:
if (argv[i]->dsc_scale == 0) {
ZVAL_LONG(argp[i], *(short*)argv[i]->dsc_address);
} else {
ZVAL_DOUBLE(argp[i],
((double)*(short*)argv[i]->dsc_address)/scales[-argv[i]->dsc_scale]);
}
break;
case dtype_long:
if (argv[i]->dsc_scale == 0) {
ZVAL_LONG(argp[i], *(ISC_LONG*)argv[i]->dsc_address);
} else {
ZVAL_DOUBLE(argp[i],
((double)*(ISC_LONG*)argv[i]->dsc_address)/scales[-argv[i]->dsc_scale]);
}
break;
case dtype_int64:
l = *(ISC_INT64*)argv[i]->dsc_address;
if (argv[i]->dsc_scale == 0 && l <= LONG_MAX && l >= LONG_MIN) {
ZVAL_LONG(argp[i], (long)l);
} else {
ZVAL_DOUBLE(argp[i], ((double)l)/scales[-argv[i]->dsc_scale]);
}
break;
case dtype_real:
ZVAL_DOUBLE(argp[i], *(float*)argv[i]->dsc_address);
break;
case dtype_double:
ZVAL_DOUBLE(argp[i], *(double*)argv[i]->dsc_address);
break;
case dtype_sql_date:
isc_decode_sql_date((ISC_DATE*)argv[i]->dsc_address, &t);
ZVAL_STRINGL(argp[i], d, strftime(d, sizeof(d), INI_STR("ibase.dateformat"), &t),1);
break;
case dtype_sql_time:
isc_decode_sql_time((ISC_TIME*)argv[i]->dsc_address, &t);
ZVAL_STRINGL(argp[i], d, strftime(d, sizeof(d), INI_STR("ibase.timeformat"), &t),1);
break;
case dtype_timestamp:
isc_decode_timestamp((ISC_TIMESTAMP*)argv[i]->dsc_address, &t);
ZVAL_STRINGL(argp[i], d, strftime(d, sizeof(d), INI_STR("ibase.timestampformat"), &t),1);
break;
}
}
LOCK();
/* now call the function */
if (FAILURE == call_user_function(EG(function_table), NULL,
&callback, &return_value, argc, argp TSRMLS_CC)) {
UNLOCK();
break;
}
UNLOCK();
for (i = 0; i < argc; ++i) {
switch (argv[i]->dsc_dtype) {
case dtype_sql_date:
case dtype_sql_time:
case dtype_timestamp:
zval_dtor(argp[i]);
}
}
/* return whatever type we got back from the callback: let DB handle conversion */
switch (Z_TYPE(return_value)) {
case IS_LONG:
r->dsc_dtype = dtype_long;
*(long*)r->dsc_address = Z_LVAL(return_value);
r->dsc_length = sizeof(long);
break;
case IS_DOUBLE:
r->dsc_dtype = dtype_double;
*(double*)r->dsc_address = Z_DVAL(return_value);
r->dsc_length = sizeof(double);
break;
case IS_NULL:
r->dsc_flags |= DSC_null;
break;
default:
convert_to_string(&return_value);
case IS_STRING:
r->dsc_dtype = dtype_varying;
memcpy(res->vary_string, Z_STRVAL(return_value),
(res->vary_length = min(r->dsc_length-2,Z_STRLEN(return_value))));
r->dsc_length = res->vary_length+2;
break;
}
zval_dtor(&return_value);
return;
} while (0);
/**
* If we end up here, we should report an error back to the DB engine, but
* that's not possible. We can however report it back to PHP.
*/
LOCK();
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error calling function '%s' from database", name);
UNLOCK();
}
/* {{{ _php_mb_regex_ereg_replace_exec */
static void _php_mb_regex_ereg_replace_exec(INTERNAL_FUNCTION_PARAMETERS, OnigOptionType options, int is_callable)
{
zval *arg_pattern_zval;
char *arg_pattern;
size_t arg_pattern_len;
char *replace;
size_t replace_len;
zend_fcall_info arg_replace_fci;
zend_fcall_info_cache arg_replace_fci_cache;
char *string;
size_t string_len;
char *p;
php_mb_regex_t *re;
OnigSyntaxType *syntax;
OnigRegion *regs = NULL;
smart_str out_buf = {0};
smart_str eval_buf = {0};
smart_str *pbuf;
size_t i;
int err, eval, n;
OnigUChar *pos;
OnigUChar *string_lim;
char *description = NULL;
char pat_buf[6];
const mbfl_encoding *enc;
{
const char *current_enc_name;
current_enc_name = _php_mb_regex_mbctype2name(MBREX(current_mbctype));
if (current_enc_name == NULL ||
(enc = mbfl_name2encoding(current_enc_name)) == NULL) {
php_error_docref(NULL, E_WARNING, "Unknown error");
RETURN_FALSE;
}
}
eval = 0;
{
char *option_str = NULL;
size_t option_str_len = 0;
if (!is_callable) {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zss|s",
&arg_pattern_zval,
&replace, &replace_len,
&string, &string_len,
&option_str, &option_str_len) == FAILURE) {
RETURN_FALSE;
}
} else {
if (zend_parse_parameters(ZEND_NUM_ARGS(), "zfs|s",
&arg_pattern_zval,
&arg_replace_fci, &arg_replace_fci_cache,
&string, &string_len,
&option_str, &option_str_len) == FAILURE) {
RETURN_FALSE;
}
}
if (!php_mb_check_encoding(
string,
string_len,
_php_mb_regex_mbctype2name(MBREX(current_mbctype))
)) {
RETURN_NULL();
}
if (option_str != NULL) {
_php_mb_regex_init_options(option_str, option_str_len, &options, &syntax, &eval);
} else {
options |= MBREX(regex_default_options);
syntax = MBREX(regex_default_syntax);
}
}
if (eval && !is_callable) {
php_error_docref(NULL, E_DEPRECATED, "The 'e' option is deprecated, use mb_ereg_replace_callback instead");
}
if (Z_TYPE_P(arg_pattern_zval) == IS_STRING) {
arg_pattern = Z_STRVAL_P(arg_pattern_zval);
arg_pattern_len = Z_STRLEN_P(arg_pattern_zval);
} else {
/* FIXME: this code is not multibyte aware! */
convert_to_long_ex(arg_pattern_zval);
pat_buf[0] = (char)Z_LVAL_P(arg_pattern_zval);
pat_buf[1] = '\0';
pat_buf[2] = '\0';
pat_buf[3] = '\0';
pat_buf[4] = '\0';
pat_buf[5] = '\0';
arg_pattern = pat_buf;
arg_pattern_len = 1;
}
/* create regex pattern buffer */
re = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, options, MBREX(current_mbctype), syntax);
if (re == NULL) {
RETURN_FALSE;
}
if (eval || is_callable) {
pbuf = &eval_buf;
description = zend_make_compiled_string_description("mbregex replace");
} else {
pbuf = &out_buf;
description = NULL;
}
if (is_callable) {
if (eval) {
php_error_docref(NULL, E_WARNING, "Option 'e' cannot be used with replacement callback");
RETURN_FALSE;
}
}
/* do the actual work */
err = 0;
pos = (OnigUChar *)string;
string_lim = (OnigUChar*)(string + string_len);
regs = onig_region_new();
while (err >= 0) {
err = onig_search(re, (OnigUChar *)string, (OnigUChar *)string_lim, pos, (OnigUChar *)string_lim, regs, 0);
if (err <= -2) {
OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
onig_error_code_to_str(err_str, err);
php_error_docref(NULL, E_WARNING, "mbregex search failure in php_mbereg_replace_exec(): %s", err_str);
break;
}
if (err >= 0) {
#if moriyoshi_0
if (regs->beg[0] == regs->end[0]) {
php_error_docref(NULL, E_WARNING, "Empty regular expression");
break;
}
#endif
/* copy the part of the string before the match */
smart_str_appendl(&out_buf, (char *)pos, (size_t)((OnigUChar *)(string + regs->beg[0]) - pos));
if (!is_callable) {
/* copy replacement and backrefs */
i = 0;
p = replace;
while (i < replace_len) {
int fwd = (int) php_mb_mbchar_bytes_ex(p, enc);
n = -1;
if ((replace_len - i) >= 2 && fwd == 1 &&
p[0] == '\\' && p[1] >= '0' && p[1] <= '9') {
n = p[1] - '0';
}
if (n >= 0 && n < regs->num_regs) {
if (regs->beg[n] >= 0 && regs->beg[n] < regs->end[n] && (size_t)regs->end[n] <= string_len) {
smart_str_appendl(pbuf, string + regs->beg[n], regs->end[n] - regs->beg[n]);
}
p += 2;
i += 2;
} else {
smart_str_appendl(pbuf, p, fwd);
p += fwd;
i += fwd;
}
}
}
if (eval) {
zval v;
zend_string *eval_str;
/* null terminate buffer */
smart_str_0(&eval_buf);
if (eval_buf.s) {
eval_str = eval_buf.s;
} else {
eval_str = ZSTR_EMPTY_ALLOC();
}
/* do eval */
if (zend_eval_stringl(ZSTR_VAL(eval_str), ZSTR_LEN(eval_str), &v, description) == FAILURE) {
efree(description);
zend_throw_error(NULL, "Failed evaluating code: %s%s", PHP_EOL, ZSTR_VAL(eval_str));
onig_region_free(regs, 0);
smart_str_free(&out_buf);
smart_str_free(&eval_buf);
RETURN_FALSE;
}
/* result of eval */
convert_to_string(&v);
smart_str_appendl(&out_buf, Z_STRVAL(v), Z_STRLEN(v));
/* Clean up */
smart_str_free(&eval_buf);
zval_dtor(&v);
} else if (is_callable) {
zval args[1];
zval subpats, retval;
int i;
array_init(&subpats);
for (i = 0; i < regs->num_regs; i++) {
add_next_index_stringl(&subpats, string + regs->beg[i], regs->end[i] - regs->beg[i]);
}
ZVAL_COPY_VALUE(&args[0], &subpats);
/* null terminate buffer */
smart_str_0(&eval_buf);
arg_replace_fci.param_count = 1;
arg_replace_fci.params = args;
arg_replace_fci.retval = &retval;
if (zend_call_function(&arg_replace_fci, &arg_replace_fci_cache) == SUCCESS &&
!Z_ISUNDEF(retval)) {
convert_to_string_ex(&retval);
smart_str_appendl(&out_buf, Z_STRVAL(retval), Z_STRLEN(retval));
smart_str_free(&eval_buf);
zval_ptr_dtor(&retval);
} else {
if (!EG(exception)) {
php_error_docref(NULL, E_WARNING, "Unable to call custom replacement function");
}
}
zval_ptr_dtor(&subpats);
}
n = regs->end[0];
if ((pos - (OnigUChar *)string) < n) {
pos = (OnigUChar *)string + n;
} else {
if (pos < string_lim) {
smart_str_appendl(&out_buf, (char *)pos, 1);
}
pos++;
}
} else { /* nomatch */
/* stick that last bit of string on our output */
if (string_lim - pos > 0) {
smart_str_appendl(&out_buf, (char *)pos, string_lim - pos);
}
}
onig_region_free(regs, 0);
}
if (description) {
efree(description);
}
if (regs != NULL) {
onig_region_free(regs, 1);
}
smart_str_free(&eval_buf);
if (err <= -2) {
smart_str_free(&out_buf);
RETVAL_FALSE;
} else if (out_buf.s) {
smart_str_0(&out_buf);
RETVAL_STR(out_buf.s);
} else {
RETVAL_EMPTY_STRING();
}
}
