File openssh-7.2p2-X_forward_with_disabled_ipv6.patch of Package openssh-askpass-gnome.29887

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File openssh-7.2p2-X_forward_with_disabled_ipv6.patch of Package openssh-askpass-gnome.29887

# HG changeset patch
# Parent  a9e60634acb905a830a0f57ece296781ab08d0fb
Do not throw away already open sockets for X11 forwarding if another socket
family is not available for bind().

diff --git a/openssh-7.2p2/channels.c b/openssh-7.2p2/channels.c
--- a/openssh-7.2p2/channels.c
+++ b/openssh-7.2p2/channels.c
@@ -3938,16 +3938,25 @@ x11_create_display_inet(int x11_display_
 			if (ai->ai_family == AF_INET6)
 				sock_set_v6only(sock);
 			if (x11_use_localhost)
 				channel_set_reuseaddr(sock);
 			if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
 				debug2("bind port %d: %.100s", port, strerror(errno));
 				close(sock);
 
+				/* do not remove successfully opened
+				 * sockets if the request failed because
+				 * the protocol IPv4/6 is not available
+				 * (e.g. IPv6 may be disabled while being
+				 * supported)
+				 */
+				if (EADDRNOTAVAIL == errno)
+    					continue;
+
 				for (n = 0; n < num_socks; n++) {
 					close(socks[n]);
 				}
 				num_socks = 0;
 				break;
 			}
 			socks[num_socks++] = sock;
 			if (num_socks == NUM_SOCKS)

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File openssh-7.2p2-X_forward_with_disabled_ipv6.patch of Package openssh-askpass-gnome.29887

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