49 lines
1.8 KiB
Diff
49 lines
1.8 KiB
Diff
Submitted upstream: https://github.com/canonical/lightdm/pull/312
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diff --git a/src/vnc-server.c b/src/vnc-server.c
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index d3500764..00a2fc02 100644
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--- a/src/vnc-server.c
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+++ b/src/vnc-server.c
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@@ -126,18 +126,10 @@ vnc_server_start (VNCServer *server)
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g_return_val_if_fail (server != NULL, FALSE);
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- g_autoptr(GError) ipv4_error = NULL;
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- priv->socket = open_tcp_socket (G_SOCKET_FAMILY_IPV4, priv->port, priv->listen_address, &ipv4_error);
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- if (ipv4_error)
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- g_warning ("Failed to create IPv4 VNC socket: %s", ipv4_error->message);
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-
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- if (priv->socket)
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- {
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- GSource *source = g_socket_create_source (priv->socket, G_IO_IN, NULL);
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- g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL);
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- g_source_attach (source, NULL);
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- }
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-
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+ // Bind to IPv6 first, as this implies binding to 0.0.0.0 in the
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+ // Linux kernel default configuration, which would otherwise cause
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+ // IPv6 clients to fail with "Error binding to address [::]:5900:
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+ // Address already in use" (#266).
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g_autoptr(GError) ipv6_error = NULL;
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priv->socket6 = open_tcp_socket (G_SOCKET_FAMILY_IPV6, priv->port, priv->listen_address, &ipv6_error);
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if (ipv6_error)
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@@ -150,6 +142,18 @@ vnc_server_start (VNCServer *server)
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g_source_attach (source, NULL);
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}
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+ g_autoptr(GError) ipv4_error = NULL;
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+ priv->socket = open_tcp_socket (G_SOCKET_FAMILY_IPV4, priv->port, priv->listen_address, &ipv4_error);
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+ if (ipv4_error)
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+ g_warning ("Failed to create IPv4 VNC socket: %s", ipv4_error->message);
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+
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+ if (priv->socket)
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+ {
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+ GSource *source = g_socket_create_source (priv->socket, G_IO_IN, NULL);
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+ g_source_set_callback (source, (GSourceFunc) read_cb, server, NULL);
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+ g_source_attach (source, NULL);
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+ }
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+
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if (!priv->socket && !priv->socket6)
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return FALSE;
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