Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
  Fix #80067: Omitting the port in bindto setting errors

Author: cmb69

NEWS

@@ -35,6 +35,7 @@ PHP                                                                        NEWS
   . Fixed bug #80077 (getmxrr test bug). (Rainer Jung)
   . Fixed bug #72941 (Modifying bucket->data by-ref has no effect any longer).
     (cmb)
+  . Fixed bug #80067 (Omitting the port in bindto setting errors). (cmb)
 
 03 Sep 2020, PHP 7.4.10
 

ext/standard/tests/network/bindto.phpt

@@ -13,4 +13,6 @@ $fp = stream_socket_client(
 );
 ?>
 --EXPECTF--
-Warning: stream_socket_client(): unable to connect to tcp://%s:80 (Failed to parse address "invalid") in %s on line %d
+Warning: stream_socket_client(): php_network_getaddresses: getaddrinfo failed: %s in %s on line %d
+
+Warning: stream_socket_client(): unable to connect to tcp://www.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.com:80 (php_network_getaddresses: getaddrinfo failed: %s) in %s on line %d

ext/standard/tests/network/bug80067.phpt

@@ -0,0 +1,13 @@
+--TEST--
+Bug #80067 (Omitting the port in bindto setting errors)
+--SKIPIF--
+<?php
+if (getenv("SKIP_ONLINE_TESTS")) die('skip online test');
+?>
+--FILE--
+<?php
+$context = stream_context_create(['socket' => ['bindto' => '0']]);
+var_dump(file_get_contents('https://httpbin.org/get', false, $context) !== false);
+?>
+--EXPECT--
+bool(true)

main/network.c

@@ -201,6 +201,10 @@ PHPAPI int php_network_getaddresses(const char *host, int socktype, struct socka
 
 	if ((n = getaddrinfo(host, NULL, &hints, &res))) {
 		if (error_string) {
+			/* free error string received during previous iteration (if any) */
+			if (*error_string) {
+				zend_string_release_ex(*error_string, 0);
+			}
 			*error_string = strpprintf(0, "php_network_getaddresses: getaddrinfo failed: %s", PHP_GAI_STRERROR(n));
 			php_error_docref(NULL, E_WARNING, "%s", ZSTR_VAL(*error_string));
 		} else {
@@ -209,6 +213,10 @@ PHPAPI int php_network_getaddresses(const char *host, int socktype, struct socka
 		return 0;
 	} else if (res == NULL) {
 		if (error_string) {
+			/* free error string received during previous iteration (if any) */
+			if (*error_string) {
+				zend_string_release_ex(*error_string, 0);
+			}
 			*error_string = strpprintf(0, "php_network_getaddresses: getaddrinfo failed (null result pointer) errno=%d", errno);
 			php_error_docref(NULL, E_WARNING, "%s", ZSTR_VAL(*error_string));
 		} else {
@@ -242,6 +250,10 @@ PHPAPI int php_network_getaddresses(const char *host, int socktype, struct socka
 		}
 		if (host_info == NULL) {
 			if (error_string) {
+				/* free error string received during previous iteration (if any) */
+				if (*error_string) {
+					zend_string_release_ex(*error_string, 0);
+				}
 				*error_string = strpprintf(0, "php_network_getaddresses: gethostbyname failed. errno=%d", errno);
 				php_error_docref(NULL, E_WARNING, "%s", ZSTR_VAL(*error_string));
 			} else {

main/streams/xp_socket.c

@@ -750,10 +750,6 @@ static inline int php_tcp_sockop_connect(php_stream *stream, php_netstream_data_
 			return -1;
 		}
 		bindto = parse_ip_address_ex(Z_STRVAL_P(tmpzval), Z_STRLEN_P(tmpzval), &bindport, xparam->want_errortext, &xparam->outputs.error_text);
-		if (bindto == NULL) {
-			efree(host);
-			return -1;
-		}
 	}
 
 #ifdef SO_BROADCAST