From 95a9e558b613be6918629387ff1975d979de2a16 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sun, 16 May 2021 12:10:36 +0100
Subject: [PATCH] Pull #6989 FreeBSD defines SO_ACCEPTFILTER

---
 .cirrus.yml                                  |  1 +
 UPGRADING                                    |  3 ++
 ext/sockets/sockets.c                        | 32 ++++++++++++++++
 ext/sockets/tests/socket_set_option_acf.phpt | 40 ++++++++++++++++++++
 4 files changed, 76 insertions(+)
 create mode 100644 ext/sockets/tests/socket_set_option_acf.phpt

diff --git a/.cirrus.yml b/.cirrus.yml
index 79ee37e1781..7547bd18cb7 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -10,6 +10,7 @@ task:
   install_script:
     #- sed -i -e 's/quarterly/latest/g' /etc/pkg/FreeBSD.conf
     #- pkg upgrade -y
+    - kldload accf_http
     - pkg install -y autoconf bison gmake re2c icu libiconv png freetype2 enchant2 bzip2 krb5 t1lib gmp tidyp libsodium libzip libxml2 libxslt openssl oniguruma pkgconf webp
   script:
     - ./buildconf -f
diff --git a/UPGRADING b/UPGRADING
index 93437c9aa37..c80ca7714e2 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -404,6 +404,9 @@ PHP 8.1 UPGRADE NOTES
 - OpenSSL:
   . The OpenSSL extension now requires at least OpenSSL version 1.0.2.
 
+- Sockets:
+  . FreeBSD defines SO_ACCEPTFILTER
+
 - Standard:
   . --with-password-argon2 now uses pkg-config to detect libargon2. As such,
     an alternative libargon2 location should now be specified using
diff --git a/ext/sockets/sockets.c b/ext/sockets/sockets.c
index 1f0247b0ec8..cac6b3bbd18 100644
--- a/ext/sockets/sockets.c
+++ b/ext/sockets/sockets.c
@@ -535,6 +535,7 @@ static PHP_MINIT_FUNCTION(sockets)
 	REGISTER_LONG_CONSTANT("SO_LISTENQLIMIT",       SO_LISTENQLIMIT,        CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SO_LISTENQLEN",       SO_LISTENQLEN,        CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SO_USER_COOKIE",       SO_USER_COOKIE,        CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("SO_ACCEPTFILTER",       SO_ACCEPTFILTER,        CONST_CS | CONST_PERSISTENT);
 #endif
 	REGISTER_LONG_CONSTANT("SOL_SOCKET",	SOL_SOCKET,		CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("SOMAXCONN",		SOMAXCONN,		CONST_CS | CONST_PERSISTENT);
@@ -1818,6 +1819,23 @@ PHP_FUNCTION(socket_get_option)
 				add_assoc_long(return_value, "sec", tv.tv_sec);
 				add_assoc_long(return_value, "usec", tv.tv_usec);
 				return;
+#ifdef SO_ACCEPTFILTER
+			case SO_ACCEPTFILTER: {
+
+				struct accept_filter_arg af = {0};
+				optlen = sizeof(af);
+
+				if (getsockopt(php_sock->bsd_socket, level, optname, (char*)&af, &optlen) != 0) {
+					PHP_SOCKET_ERROR(php_sock, "Unable to retrieve socket option", errno);
+					RETURN_FALSE;
+				}
+
+				array_init(return_value);
+
+				add_assoc_string(return_value, "af_name", af.af_name);
+				return;
+			}
+#endif
 		}
 	}
 
@@ -1958,6 +1976,20 @@ PHP_FUNCTION(socket_set_option)
 		}
 #endif
 
+#ifdef SO_ACCEPTFILTER
+		case SO_ACCEPTFILTER: {
+			if (Z_TYPE_P(arg4) != IS_STRING) {
+				php_error_docref(NULL, E_WARNING, "Invalid filter argument type");
+				RETURN_FALSE;
+			}
+			struct accept_filter_arg af = {0};
+			strlcpy(af.af_name, Z_STRVAL_P(arg4), sizeof(af.af_name));
+			opt_ptr = &af;
+			optlen = sizeof(af);
+			break;
+		}
+#endif
+
 		default:
 default_case:
 			convert_to_long(arg4);
diff --git a/ext/sockets/tests/socket_set_option_acf.phpt b/ext/sockets/tests/socket_set_option_acf.phpt
new file mode 100644
index 00000000000..92c0405f71a
--- /dev/null
+++ b/ext/sockets/tests/socket_set_option_acf.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test if socket_set_option() works, option:SO_ACCEPTFILTER
+--DESCRIPTION--
+-wrong params
+-set/get params comparison
+-l_linger not given
+--SKIPIF--
+<?php
+if (!extension_loaded('sockets')) {
+        die('SKIP sockets extension not available.');
+}
+if (strpos(PHP_OS, 'FreeBSD') === false) {
+	die('SKIP on non FreeBSD platforms');
+}
+?>
+--FILE--
+<?php
+$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
+
+if (!$socket) {
+        die('Unable to create AF_INET socket [socket]');
+}
+try {
+	var_dump(socket_set_option( $socket, SOL_SOCKET, SO_ACCEPTFILTER, 1));
+} catch (\ValueError $e) {
+    echo $e->getMessage() . \PHP_EOL;
+}
+socket_listen($socket);
+var_dump(socket_set_option( $socket, SOL_SOCKET, SO_ACCEPTFILTER, "httpready"));
+var_dump(socket_get_option( $socket, SOL_SOCKET, SO_ACCEPTFILTER));
+socket_close($socket);
+?>
+--EXPECTF--
+Warning: socket_set_option(): Invalid filter argument type in %s on line %d
+bool(false)
+bool(true)
+array(1) {
+  ["af_name"]=>
+  string(9) "httpready"
+}