Revert "Detect invalid port in xp_socket parse ip address"

This reverts commit bab0b99f37.

ext/standard/tests/streams/parseip-001.phpt

@@ -1,37 +0,0 @@
---TEST--
-Use of double-port in fsockopen()
---FILE--
-<?php
-
-$try = [
-  '127.0.0.1:80',
-  'tcp://127.0.0.1:80',
-  '[::1]:80',
-  'tcp://[::1]:80',
-  'localhost:80',
-  'tcp://localhost:80',
-];
-
-foreach ($try as $addr) {
-  echo "== $addr ==\n";
-  var_dump(@fsockopen($addr, 81, $errno, $errstr), $errstr);
-}
---EXPECTF--
-== 127.0.0.1:80 ==
-bool(false)
-string(41) "Failed to parse address "127.0.0.1:80:81""
-== tcp://127.0.0.1:80 ==
-bool(false)
-string(41) "Failed to parse address "127.0.0.1:80:81""
-== [::1]:80 ==
-bool(false)
-string(37) "Failed to parse address "[::1]:80:81""
-== tcp://[::1]:80 ==
-bool(false)
-string(37) "Failed to parse address "[::1]:80:81""
-== localhost:80 ==
-bool(false)
-string(41) "Failed to parse address "localhost:80:81""
-== tcp://localhost:80 ==
-bool(false)
-string(41) "Failed to parse address "localhost:80:81""

main/streams/xp_socket.c

@@ -571,44 +571,37 @@ static inline char *parse_ip_address_ex(const char *str, size_t str_len, int *po
 	char *host = NULL;
 
 #ifdef HAVE_IPV6
+	char *p;
+
 	if (*(str) == '[' && str_len > 1) {
 		/* IPV6 notation to specify raw address with port (i.e. [fe80::1]:80) */
-		char *p = memchr(str + 1, ']', str_len - 2), *e = NULL;
+		p = memchr(str + 1, ']', str_len - 2);
 		if (!p || *(p + 1) != ':') {
 			if (get_err) {
 				*err = strpprintf(0, "Failed to parse IPv6 address \"%s\"", str);
 			}
 			return NULL;
 		}
-		*portno = strtol(p + 2, &e, 10);
-		if (e && *e) {
-			if (get_err) {
-				*err = strpprintf(0, "Failed to parse address \"%s\"", str);
-			}
-			return NULL;
-		}
+		*portno = atoi(p + 2);
 		return estrndup(str + 1, p - str - 1);
 	}
 #endif
-
 	if (str_len) {
 		colon = memchr(str, ':', str_len - 1);
 	} else {
 		colon = NULL;
 	}
-
 	if (colon) {
-		char *e = NULL;
-		*portno = strtol(colon + 1, &e, 10);
-		if (!e || !*e) {
-			return estrndup(str, colon - str);
+		*portno = atoi(colon + 1);
+		host = estrndup(str, colon - str);
+	} else {
+		if (get_err) {
+			*err = strpprintf(0, "Failed to parse address \"%s\"", str);
 		}
+		return NULL;
 	}
 
-	if (get_err) {
-		*err = strpprintf(0, "Failed to parse address \"%s\"", str);
-	}
-	return NULL;
+	return host;
 }
 
 static inline char *parse_ip_address(php_stream_xport_param *xparam, int *portno)