From 65c77f608916f0c206d0d821db1afa2558c5a74f Mon Sep 17 00:00:00 2001 From: Maxim Cournoyer Date: Sun, 9 Jul 2023 22:30:15 -0400 Subject: gnu: lightdm: Apply patch to fix VNC server address binding ordering. * gnu/packages/patches/lightdm-vnc-ipv6.patch: New patch file. * gnu/local.mk (dist_patch_DATA): Register it. * gnu/packages/display-managers.scm (lightdm): Apply it. * gnu/tests/lightdm.scm (run-lightdm-test): Remove comment and expected fail directive for the "can connect to TCP port 5900 on IPv6" test. Suggested-by: Bruno Victal --- gnu/packages/display-managers.scm | 5 +-- gnu/packages/patches/lightdm-vnc-ipv6.patch | 48 +++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 2 deletions(-) create mode 100644 gnu/packages/patches/lightdm-vnc-ipv6.patch (limited to 'gnu/packages') diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm index 9ddcef7021..f6c9283a29 100644 --- a/gnu/packages/display-managers.scm +++ b/gnu/packages/display-managers.scm @@ -12,7 +12,7 @@ ;;; Copyright © 2021 Zheng Junjie <873216071@qq.com> ;;; Copyright © 2021, 2022 Efraim Flashner ;;; Copyright © 2021 Petr Hodina -;;; Copyright © 2022 Maxim Cournoyer +;;; Copyright © 2022, 2023 Maxim Cournoyer ;;; ;;; This file is part of GNU Guix. ;;; @@ -280,7 +280,8 @@ (define-public lightdm "1wr60c946p8jz9kb8zi4cd8d4mkcy7infbvlfzwajiglc22nblxn")) (patches (search-patches "lightdm-arguments-ordering.patch" "lightdm-vncserver-check.patch" - "lightdm-vnc-color-depth.patch")))) + "lightdm-vnc-color-depth.patch" + "lightdm-vnc-ipv6.patch")))) (build-system gnu-build-system) (arguments '(#:parallel-tests? #f ; fails when run in parallel diff --git a/gnu/packages/patches/lightdm-vnc-ipv6.patch b/gnu/packages/patches/lightdm-vnc-ipv6.patch new file mode 100644 index 0000000000..68e4363d3e --- /dev/null +++ b/gnu/packages/patches/lightdm-vnc-ipv6.patch @@ -0,0 +1,48 @@ +Submitted upstream: https://github.com/canonical/lightdm/pull/312 + +diff --git a/src/vnc-server.c b/src/vnc-server.c +index d3500764..00a2fc02 100644 +--- a/src/vnc-server.c ++++ b/src/vnc-server.c +@@ -126,18 +126,10 @@ vnc_server_start (VNCServer *server) + + g_return_val_if_fail (server != NULL, FALSE); + +- g_autoptr(GError) ipv4_error = NULL; +- priv->socket = open_tcp_socket (G_SOCKET_FAMILY_IPV4, priv->port, priv->listen_address, &ipv4_error); +- if (ipv4_error) +- g_warning ("Failed to create IPv4 VNC socket: %s", ipv4_error->message); +- +- if (priv->socket) +- { +- GSource *source = g_socket_create_source (priv->socket, G_IO_IN, NULL); +- g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL); +- g_source_attach (source, NULL); +- } +- ++ // Bind to IPv6 first, as this implies binding to 0.0.0.0 in the ++ // Linux kernel default configuration, which would otherwise cause ++ // IPv6 clients to fail with "Error binding to address [::]:5900: ++ // Address already in use" (#266). + g_autoptr(GError) ipv6_error = NULL; + priv->socket6 = open_tcp_socket (G_SOCKET_FAMILY_IPV6, priv->port, priv->listen_address, &ipv6_error); + if (ipv6_error) +@@ -150,6 +142,18 @@ vnc_server_start (VNCServer *server) + g_source_attach (source, NULL); + } + ++ g_autoptr(GError) ipv4_error = NULL; ++ priv->socket = open_tcp_socket (G_SOCKET_FAMILY_IPV4, priv->port, priv->listen_address, &ipv4_error); ++ if (ipv4_error) ++ g_warning ("Failed to create IPv4 VNC socket: %s", ipv4_error->message); ++ ++ if (priv->socket) ++ { ++ GSource *source = g_socket_create_source (priv->socket, G_IO_IN, NULL); ++ g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL); ++ g_source_attach (source, NULL); ++ } ++ + if (!priv->socket && !priv->socket6) + return FALSE; + -- cgit v1.2.3