178 	c->sock = (rfd == wfd) ? rfd : -1;  in channel_register_fds()
316 	channel_close_fd(&c->sock);  in channel_close_fds()
340 	if (c->sock != -1)  in channel_free()
341 		shutdown(c->sock, SHUT_RDWR);  in channel_free()
397 				channel_close_fd(&c->sock);  in channel_stop_listening()
700 	FD_SET(c->sock, readset);  in channel_pre_listener()
707 	FD_SET(c->sock, writeset);  in channel_pre_connecting()
714 		FD_SET(c->sock, readset);  in channel_pre_open_13()
716 		FD_SET(c->sock, writeset);  in channel_pre_open_13()
771 		FD_SET(c->sock, writeset);  in channel_pre_output_draining()
858 		channel_close_fd(&c->sock);  in channel_pre_x11_open_13()
859 		c->sock = -1;  in channel_pre_x11_open_13()
1017 		FD_SET(c->sock, writeset);  in channel_decode_socks5()
1098 		FD_SET(c->sock, readset);  in channel_pre_dynamic()
1121 		FD_SET(c->sock, readset);  in channel_pre_dynamic()
1140 	if (FD_ISSET(c->sock, readset)) {  in channel_post_x11_listener()
1143 		newsock = accept(c->sock, &addr, &addrlen);  in channel_post_x11_listener()
1146 			channel_close_fd(&c->sock);  in channel_post_x11_listener()
1194 	char *remote_ipaddr = get_peer_ipaddr(c->sock);  in port_open_helper()
1195 	u_short remote_port = get_peer_port(c->sock);  in port_open_helper()
1252 	if (FD_ISSET(c->sock, readset)) {  in channel_post_port_listener()
1271 		newsock = accept(c->sock, &addr, &addrlen);  in channel_post_port_listener()
1303 	if (FD_ISSET(c->sock, readset)) {  in channel_post_auth_listener()
1305 		newsock = accept(c->sock, &addr, &addrlen);  in channel_post_auth_listener()
1335 	if (FD_ISSET(c->sock, writeset)) {  in channel_post_connecting()
1336 		if (getsockopt(c->sock, SOL_SOCKET, SO_ERROR, &err, &sz) < 0) {  in channel_post_connecting()
1549 	if (FD_ISSET(c->sock, writeset) && buffer_len(&c->output) > 0) {  in channel_post_output_drain_13()
1550 		len = write(c->sock, buffer_ptr(&c->output),  in channel_post_output_drain_13()
2121 	int remote_id, sock = -1;  in channel_input_port_open()  local
2133 	sock = channel_connect_to(host, host_port);  in channel_input_port_open()
2134 	if (sock != -1) {  in channel_input_port_open()
2136 		    SSH_CHANNEL_CONNECTING, sock, sock, -1, 0, 0, 0,  in channel_input_port_open()
2162 	int sock, r, is_client, on = 1, wildcard = 0, success = 0;  in channel_setup_fwd_listener()  local
2243 		sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);  in channel_setup_fwd_listener()
2244 		if (sock < 0) {  in channel_setup_fwd_listener()
2253 		if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on,  in channel_setup_fwd_listener()
2260 		if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {  in channel_setup_fwd_listener()
2267 			close(sock);  in channel_setup_fwd_listener()
2271 		if (listen(sock, 5) < 0) {  in channel_setup_fwd_listener()
2273 			close(sock);  in channel_setup_fwd_listener()
2277 		c = channel_new("port listener", type, sock, sock, -1,  in channel_setup_fwd_listener()
2523 	int sock = -1;  in connect_to()  local
2542 		sock = socket(ai->ai_family, SOCK_STREAM, 0);  in connect_to()
2543 		if (sock < 0) {  in connect_to()
2547 		if (fcntl(sock, F_SETFL, O_NONBLOCK) < 0)  in connect_to()
2549 		if (connect(sock, ai->ai_addr, ai->ai_addrlen) < 0 &&  in connect_to()
2553 			close(sock);  in connect_to()
2565 	set_nodelay(sock);  in connect_to()
2566 	return sock;  in connect_to()
2618 	int display_number, sock;  in x11_create_display_inet()  local
2640 			sock = socket(ai->ai_family, SOCK_STREAM, 0);  in x11_create_display_inet()
2641 			if (sock < 0) {  in x11_create_display_inet()
2657 				if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0)  in x11_create_display_inet()
2661 			if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {  in x11_create_display_inet()
2668 					close(sock);  in x11_create_display_inet()
2674 				close(sock);  in x11_create_display_inet()
2682 			socks[num_socks++] = sock;  in x11_create_display_inet()
2705 		sock = socks[n];  in x11_create_display_inet()
2706 		if (listen(sock, 5) < 0) {  in x11_create_display_inet()
2717 		sock = socks[n];  in x11_create_display_inet()
2719 		    SSH_CHANNEL_X11_LISTENER, sock, sock, -1,  in x11_create_display_inet()
2733 	int sock;  in connect_local_xsocket()  local
2736 	sock = socket(AF_UNIX, SOCK_STREAM, 0);  in connect_local_xsocket()
2737 	if (sock < 0)  in connect_local_xsocket()
2742 	if (connect(sock, (struct sockaddr *) & addr, sizeof(addr)) == 0)  in connect_local_xsocket()
2743 		return sock;  in connect_local_xsocket()
2744 	close(sock);  in connect_local_xsocket()
2752 	int display_number, sock = 0;  in x11_connect_display()  local
2783 		sock = connect_local_xsocket(display_number);  in x11_connect_display()
2784 		if (sock < 0)  in x11_connect_display()
2788 		return sock;  in x11_connect_display()
2819 		sock = socket(ai->ai_family, SOCK_STREAM, 0);  in x11_connect_display()
2820 		if (sock < 0) {  in x11_connect_display()
2825 		if (connect(sock, ai->ai_addr, ai->ai_addrlen) < 0) {  in x11_connect_display()
2828 			close(sock);  in x11_connect_display()
2840 	set_nodelay(sock);  in x11_connect_display()
2841 	return sock;  in x11_connect_display()
2854 	int remote_id, sock = 0;  in x11_input_open()  local
2869 	sock = x11_connect_display();  in x11_input_open()
2870 	if (sock != -1) {  in x11_input_open()
2873 		    SSH_CHANNEL_X11_OPEN, sock, sock, -1, 0, 0, 0,  in x11_input_open()
2998 	int remote_id, sock;  in auth_input_open_request()  local
3009 	sock = ssh_get_authentication_socket();  in auth_input_open_request()
3017 	if (sock >= 0) {  in auth_input_open_request()
3019 		c = channel_new("", SSH_CHANNEL_OPEN, sock, sock,  in auth_input_open_request()