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tree: use zend_str_has_nul_byte() API (#19336)

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Gina Peter Banyard 2025-07-31 23:57:27 +01:00 • committed by GitHub
parent 2c4d4a6f18
commit 105c1e9896
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GPG key ID: B5690EEEBB952194
10 changed files with 20 additions and 25 deletions
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2
Zend/zend_API.h
View file

@ -2326,7 +2326,7 @@ static zend_always_inline bool zend_parse_arg_string(zval *arg, char **dest, siz
static zend_always_inline bool zend_parse_arg_path_str(zval *arg, zend_string **dest, bool check_null, uint32_t arg_num)
{
if (!zend_parse_arg_str(arg, dest, check_null, arg_num) ||
(*dest && UNEXPECTED(CHECK_NULL_PATH(ZSTR_VAL(*dest), ZSTR_LEN(*dest))))) {
(*dest && UNEXPECTED(zend_str_has_nul_byte(*dest)))) {
return 0;
}
return 1;

4
Zend/zend_execute.c
View file

@ -5211,7 +5211,7 @@ static zend_never_inline zend_op_array* ZEND_FASTCALL zend_include_or_eval(zval
}
} else if (UNEXPECTED(EG(exception))) {
break;
} else if (UNEXPECTED(strlen(ZSTR_VAL(inc_filename)) != ZSTR_LEN(inc_filename))) {
} else if (UNEXPECTED(zend_str_has_nul_byte(inc_filename))) {
zend_message_dispatcher(
(type == ZEND_INCLUDE_ONCE) ?
ZMSG_FAILED_INCLUDE_FOPEN : ZMSG_FAILED_REQUIRE_FOPEN,
@ -5245,7 +5245,7 @@ static zend_never_inline zend_op_array* ZEND_FASTCALL zend_include_or_eval(zval
break;
case ZEND_INCLUDE:
case ZEND_REQUIRE:
if (UNEXPECTED(strlen(ZSTR_VAL(inc_filename)) != ZSTR_LEN(inc_filename))) {
if (UNEXPECTED(zend_str_has_nul_byte(inc_filename))) {
zend_message_dispatcher(
(type == ZEND_INCLUDE) ?
ZMSG_FAILED_INCLUDE_FOPEN : ZMSG_FAILED_REQUIRE_FOPEN,

2
ext/mbstring/mbstring.c
View file

@ -4506,7 +4506,7 @@ PHP_FUNCTION(mb_send_mail)
ZEND_PARSE_PARAMETERS_END();
if (str_headers) {
if (strlen(ZSTR_VAL(str_headers)) != ZSTR_LEN(str_headers)) {
if (UNEXPECTED(zend_str_has_nul_byte(str_headers))) {
zend_argument_value_error(4, "must not contain any null bytes");
RETURN_THROWS();
}

2
ext/odbc/php_odbc.c
View file

@ -1062,7 +1062,7 @@ PHP_FUNCTION(odbc_execute)
ZSTR_VAL(tmpstr)[0] == '\'' &&
ZSTR_VAL(tmpstr)[ZSTR_LEN(tmpstr) - 1] == '\'') {
if (ZSTR_LEN(tmpstr) != strlen(ZSTR_VAL(tmpstr))) {
if (UNEXPECTED(zend_str_has_nul_byte(tmpstr))) {
odbc_release_params(result, params);
RETURN_FALSE;
}

19
ext/standard/exec.c
View file

@ -199,13 +199,12 @@ err:
static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
{
char *cmd;
size_t cmd_len;
zend_string *cmd;
zval *ret_code=NULL, *ret_array=NULL;
int ret;
ZEND_PARSE_PARAMETERS_START(1, (mode ? 2 : 3))
Z_PARAM_STRING(cmd, cmd_len)
Z_PARAM_PATH_STR(cmd)
Z_PARAM_OPTIONAL
if (!mode) {
Z_PARAM_ZVAL(ret_array)
@ -213,17 +212,13 @@ static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
Z_PARAM_ZVAL(ret_code)
ZEND_PARSE_PARAMETERS_END();
if (!cmd_len) {
if (UNEXPECTED(!ZSTR_LEN(cmd))) {
zend_argument_must_not_be_empty_error(1);
RETURN_THROWS();
}
if (strlen(cmd) != cmd_len) {
zend_argument_value_error(1, "must not contain any null bytes");
RETURN_THROWS();
}
if (!ret_array) {
ret = php_exec(mode, cmd, NULL, return_value);
ret = php_exec(mode, ZSTR_VAL(cmd), NULL, return_value);
} else {
if (Z_TYPE_P(Z_REFVAL_P(ret_array)) == IS_ARRAY) {
ZVAL_DEREF(ret_array);
@ -235,7 +230,7 @@ static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
}
}
ret = php_exec(2, cmd, ret_array, return_value);
ret = php_exec(2, ZSTR_VAL(cmd), ret_array, return_value);
}
if (ret_code) {
ZEND_TRY_ASSIGN_REF_LONG(ret_code, ret);
@ -280,7 +275,7 @@ PHPAPI zend_string *php_escape_shell_cmd(const zend_string *unescaped_cmd)
char *p = NULL;
#endif
ZEND_ASSERT(ZSTR_LEN(unescaped_cmd) == strlen(ZSTR_VAL(unescaped_cmd)) && "Must be a binary safe string");
ZEND_ASSERT(!zend_str_has_nul_byte(unescaped_cmd) && "Must be a binary safe string");
size_t l = ZSTR_LEN(unescaped_cmd);
const char *str = ZSTR_VAL(unescaped_cmd);
@ -387,7 +382,7 @@ PHPAPI zend_string *php_escape_shell_arg(const zend_string *unescaped_arg)
size_t x, y = 0;
zend_string *cmd;
ZEND_ASSERT(ZSTR_LEN(unescaped_arg) == strlen(ZSTR_VAL(unescaped_arg)) && "Must be a binary safe string");
ZEND_ASSERT(!zend_str_has_nul_byte(unescaped_arg) && "Must be a binary safe string");
size_t l = ZSTR_LEN(unescaped_arg);
const char *str = ZSTR_VAL(unescaped_arg);

4
ext/standard/filestat.c
View file

@ -749,7 +749,7 @@ PHPAPI void php_stat(zend_string *filename, int type, zval *return_value)
php_stream_wrapper *wrapper = NULL;
if (IS_ACCESS_CHECK(type)) {
if (!ZSTR_LEN(filename) || CHECK_NULL_PATH(ZSTR_VAL(filename), ZSTR_LEN(filename))) {
if (!ZSTR_LEN(filename) || zend_str_has_nul_byte(filename)) {
if (ZSTR_LEN(filename) && !IS_EXISTS_CHECK(type)) {
php_error_docref(NULL, E_WARNING, "Filename contains null byte");
}
@ -821,7 +821,7 @@ PHPAPI void php_stat(zend_string *filename, int type, zval *return_value)
}
if (!wrapper) {
if (!ZSTR_LEN(filename) || CHECK_NULL_PATH(ZSTR_VAL(filename), ZSTR_LEN(filename))) {
if (!ZSTR_LEN(filename) || zend_str_has_nul_byte(filename)) {
if (ZSTR_LEN(filename) && !IS_EXISTS_CHECK(type)) {
php_error_docref(NULL, E_WARNING, "Filename contains null byte");
}

2
ext/standard/image.c
View file

@ -1618,7 +1618,7 @@ static void php_getimagesize_from_any(INTERNAL_FUNCTION_PARAMETERS, int mode) {
Z_PARAM_ZVAL(info)
ZEND_PARSE_PARAMETERS_END();
if (mode == FROM_PATH && CHECK_NULL_PATH(ZSTR_VAL(input), ZSTR_LEN(input))) {
if (mode == FROM_PATH && zend_str_has_nul_byte(input)) {
zend_argument_value_error(1, "must not contain any null bytes");
RETURN_THROWS();
}

2
ext/standard/mail.c
View file

@ -290,7 +290,7 @@ PHP_FUNCTION(mail)
ZEND_PARSE_PARAMETERS_END();
if (headers_str) {
if (strlen(ZSTR_VAL(headers_str)) != ZSTR_LEN(headers_str)) {
if (UNEXPECTED(zend_str_has_nul_byte(headers_str))) {
zend_argument_value_error(4, "must not contain any null bytes");
RETURN_THROWS();
}

6
ext/xsl/xsltprocessor.c
View file

@ -609,7 +609,7 @@ PHP_METHOD(XSLTProcessor, setParameter)
RETURN_THROWS();
}
if (UNEXPECTED(CHECK_NULL_PATH(ZSTR_VAL(string_key), ZSTR_LEN(string_key)))) {
if (UNEXPECTED(zend_str_has_nul_byte(string_key))) {
zend_argument_value_error(3, "must not contain keys with any null bytes");
RETURN_THROWS();
}
@ -625,7 +625,7 @@ PHP_METHOD(XSLTProcessor, setParameter)
RETURN_THROWS();
}
if (UNEXPECTED(CHECK_NULL_PATH(ZSTR_VAL(str), ZSTR_LEN(str)))) {
if (UNEXPECTED(zend_str_has_nul_byte(str))) {
zend_string_release(str);
zend_string_release_ex(ht_key, false);
zend_argument_value_error(3, "must not contain values with any null bytes");
@ -643,7 +643,7 @@ PHP_METHOD(XSLTProcessor, setParameter)
RETURN_THROWS();
}
if (UNEXPECTED(CHECK_NULL_PATH(ZSTR_VAL(name), ZSTR_LEN(name)))) {
if (UNEXPECTED(zend_str_has_nul_byte(name))) {
zend_argument_value_error(2, "must not contain any null bytes");
RETURN_THROWS();
}

2
main/main.c
View file

@ -707,7 +707,7 @@ static PHP_INI_MH(OnUpdateMailLog)
static PHP_INI_MH(OnChangeMailForceExtra)
{
/* Check that INI setting does not have any nul bytes */
if (new_value && ZSTR_LEN(new_value) != strlen(ZSTR_VAL(new_value))) {
if (new_value && zend_str_has_nul_byte(new_value)) {
/* TODO Emit warning? */
return FAILURE;
}