check string options for NULL

diff --git a/php_http_client_curl.c b/php_http_client_curl.c
index 6753e57cf8eb337db1d49739c162fa89fa69c920..6928945a4ab502ce20eca1661b68feca7fa16641 100644 (file)
--- a/php_http_client_curl.c
+++ b/php_http_client_curl.c
@@ -843,7 +843,7 @@ static ZEND_RESULT_CODE php_http_curle_option_set_cookiestore(php_http_option_t
        if (storage->cookiestore) {
                pefree(storage->cookiestore, 1);
        }
-       if (val && Z_STRLEN_P(val)) {
+       if (val && Z_TYPE_P(val) == IS_STRING && Z_STRLEN_P(val)) {
                storage->cookiestore = pestrndup(Z_STRVAL_P(val), Z_STRLEN_P(val), 1);
        } else {
                storage->cookiestore = NULL;
@@ -956,7 +956,7 @@ static ZEND_RESULT_CODE php_http_curle_option_set_etag(php_http_option_t *opt, z
        php_http_client_curl_handler_t *curl = userdata;
        php_http_buffer_t header;
 
-       if (Z_STRLEN_P(val)) {
+       if (val && Z_TYPE_P(val) == IS_STRING && Z_STRLEN_P(val)) {
                zend_bool is_quoted = !((Z_STRVAL_P(val)[0] != '"') || (Z_STRVAL_P(val)[Z_STRLEN_P(val)-1] != '"'));
                php_http_buffer_init(&header);
                php_http_buffer_appendf(&header, is_quoted?"%s: %s":"%s: \"%s\"", curl->options.range_request?"If-Match":"If-None-Match", Z_STRVAL_P(val));
@@ -1431,6 +1431,10 @@ static ZEND_RESULT_CODE php_http_curle_set_option(php_http_option_t *opt, zval *
        case IS_STRING:
                if (opt->setter) {
                        rv = opt->setter(opt, val, curl);
+               } else if (!val || Z_TYPE_P(val) == IS_NULL) {
+                       if (CURLE_OK != (rc = curl_easy_setopt(ch, opt->option, NULL))) {
+                               rv = FAILURE;
+                       }
                } else if ((opt->flags & PHP_HTTP_CURLE_OPTION_CHECK_STRLEN) && !Z_STRLEN_P(val)) {
                        if (CURLE_OK != (rc = curl_easy_setopt(ch, opt->option, NULL))) {
                                rv = FAILURE;