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-rw-r--r--php-bug20528.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/php-bug20528.patch b/php-bug20528.patch
new file mode 100644
index 0000000..f8a790a
--- /dev/null
+++ b/php-bug20528.patch
@@ -0,0 +1,81 @@
+From 9d71c1e0b60cd152a47528dbe514efc443fce920 Mon Sep 17 00:00:00 2001
+From: Remi Collet <remi@remirepo.net>
+Date: Thu, 20 Nov 2025 02:58:45 +0100
+Subject: [PATCH] Fix GH-20528: Regression breaks mysql connexion using an IPv6
+ address enclosed in square brackets
+
+---
+ ext/mysqli/tests/mysqli_connect_port.phpt | 31 +++++++++++++++++++++++
+ ext/mysqlnd/mysqlnd_connection.c | 17 ++++++++++---
+ 2 files changed, 45 insertions(+), 3 deletions(-)
+ create mode 100644 ext/mysqli/tests/mysqli_connect_port.phpt
+
+diff --git a/ext/mysqli/tests/mysqli_connect_port.phpt b/ext/mysqli/tests/mysqli_connect_port.phpt
+new file mode 100644
+index 0000000000000..cb7fd1d8d1628
+--- /dev/null
++++ b/ext/mysqli/tests/mysqli_connect_port.phpt
+@@ -0,0 +1,31 @@
++--TEST--
++mysqli_connect() with port in host
++--EXTENSIONS--
++mysqli
++--SKIPIF--
++<?php
++require_once 'skipifconnectfailure.inc';
++?>
++--FILE--
++<?php
++ require_once 'connect.inc';
++
++ // using port / host arguments
++ if (!$link = mysqli_connect($host, $user, $passwd, $db, $port, $socket)) {
++ printf("Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
++ $host, $user, $db, $port, $socket);
++ }
++
++ mysqli_close($link);
++
++ // using port in host
++ if (!$link = mysqli_connect("$host:$port", $user, $passwd, $db, "1$port", $socket)) {
++ printf("Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n",
++ "$host:$port", $user, $db, "1$port", $socket);
++ }
++
++ mysqli_close($link);
++?>
++Done
++--EXPECTF--
++Done
+diff --git a/ext/mysqlnd/mysqlnd_connection.c b/ext/mysqlnd/mysqlnd_connection.c
+index d8e7304e9665f..8268034e8b798 100644
+--- a/ext/mysqlnd/mysqlnd_connection.c
++++ b/ext/mysqlnd/mysqlnd_connection.c
+@@ -553,13 +553,24 @@ MYSQLND_METHOD(mysqlnd_conn_data, get_scheme)(MYSQLND_CONN_DATA * conn, MYSQLND_
+ port = 3306;
+ }
+
+- /* ipv6 addresses are in the format [address]:port */
+ if (hostname.s[0] != '[' && mysqlnd_fast_is_ipv6_address(hostname.s)) {
++ /* IPv6 without square brackets so without port */
+ transport.l = mnd_sprintf(&transport.s, 0, "tcp://[%s]:%u", hostname.s, port);
+ } else {
+- /* Not ipv6, but could already contain a port number, in which case we should not add an extra port.
++ char *p;
++
++ /* IPv6 addresses are in the format [address]:port */
++ if (hostname.s[0] == '[') { /* IPv6 */
++ p = strchr(hostname.s, ']');
++ if (p && p[1] != ':') {
++ p = NULL;
++ }
++ } else { /* IPv4 or name */
++ p = strchr(hostname.s, ':');
++ }
++ /* Could already contain a port number, in which case we should not add an extra port.
+ * See GH-8978. In a port doubling scenario, the first port would be used so we do the same to keep BC. */
+- if (strchr(hostname.s, ':')) {
++ if (p) {
+ /* TODO: Ideally we should be able to get rid of this workaround in the future. */
+ transport.l = mnd_sprintf(&transport.s, 0, "tcp://%s", hostname.s);
+ } else {