crypto/openssh/channels.c

3183 channel_setup_fwd_listener_tcpip(int type, struct Forward *fwd,
3195 	if (is_client && fwd->connect_path != NULL) {
3196 		host = fwd->connect_path;
3199 		    fwd->listen_host : fwd->connect_host;
3211 	addr = channel_fwd_bind_addr(fwd->listen_host, &wildcard,
3224 	snprintf(strport, sizeof strport, "%d", fwd->listen_port);
3255 		if (type == SSH_CHANNEL_RPORT_LISTENER && fwd->listen_port == 0 &&
3298 		 * fwd->listen_port == 0 requests a dynamically allocated port -
3301 		if (type == SSH_CHANNEL_RPORT_LISTENER && fwd->listen_port == 0 &&
3314 		c->host_port = fwd->connect_port;
3316 		if (fwd->listen_port == 0 && allocated_listen_port != NULL &&
3320 			c->listening_port = fwd->listen_port;
3325 		    fwd->listen_port);
3331 channel_setup_fwd_listener_streamlocal(int type, struct Forward *fwd,
3342 		if (fwd->connect_path != NULL) {
3343 			if (strlen(fwd->connect_path) > sizeof(sunaddr.sun_path)) {
3345 				    fwd->connect_path);
3348 			path = fwd->connect_path;
3351 			if (fwd->connect_host == NULL) {
3355 			if (strlen(fwd->connect_host) >= NI_MAXHOST) {
3359 			path = fwd->connect_host;
3360 			port = fwd->connect_port;
3364 		path = fwd->listen_path;
3372 	if (fwd->listen_path == NULL) {
3376 	if (strlen(fwd->listen_path) > sizeof(sunaddr.sun_path)) {
3377 		error("Local listening path too long: %s", fwd->listen_path);
3381 	debug3("%s: type %d path %s", __func__, type, fwd->listen_path);
3385 	sock = unix_listener(fwd->listen_path, SSH_LISTEN_BACKLOG,
3391 	debug("Local forwarding listening on path %s.", fwd->listen_path);
3400 	c->listening_addr = xstrdup(fwd->listen_path);
3447 channel_cancel_rport_listener(struct Forward *fwd)
3449 	if (fwd->listen_path != NULL)
3450 		return channel_cancel_rport_listener_streamlocal(fwd->listen_path);
3452 		return channel_cancel_rport_listener_tcpip(fwd->listen_host, fwd->listen_port);
3518 channel_cancel_lport_listener(struct Forward *fwd, int cport, struct ForwardOptions *fwd_opts)
3520 	if (fwd->listen_path != NULL)
3521 		return channel_cancel_lport_listener_streamlocal(fwd->listen_path);
3523 		return channel_cancel_lport_listener_tcpip(fwd->listen_host, fwd->listen_port, cport, fwd_opts);
3526 /* protocol local port fwd, used by ssh (and sshd in v1) */
3528 channel_setup_local_fwd_listener(struct Forward *fwd, struct ForwardOptions *fwd_opts)
3530 	if (fwd->listen_path != NULL) {
3532 		    SSH_CHANNEL_UNIX_LISTENER, fwd, fwd_opts);
3535 		    fwd, NULL, fwd_opts);
3539 /* protocol v2 remote port fwd, used by sshd */
3541 channel_setup_remote_fwd_listener(struct Forward *fwd,
3544 	if (fwd->listen_path != NULL) {
3546 		    SSH_CHANNEL_RUNIX_LISTENER, fwd, fwd_opts);
3549 		    SSH_CHANNEL_RPORT_LISTENER, fwd, allocated_listen_port,
3582 channel_request_remote_forwarding(struct Forward *fwd)
3589 		if (fwd->listen_path != NULL) {
3592 		    packet_put_cstring(fwd->listen_path);
3596 		    packet_put_cstring(channel_rfwd_bind_host(fwd->listen_host));
3597 		    packet_put_int(fwd->listen_port);
3603 	} else if (fwd->listen_path == NULL) {
3605 		packet_put_int(fwd->listen_port);
3606 		packet_put_cstring(fwd->connect_host);
3607 		packet_put_int(fwd->connect_port);
3632 		if (fwd->connect_path != NULL) {
3634 			    xstrdup(fwd->connect_path);
3639 			    xstrdup(fwd->connect_host);
3641 			    fwd->connect_port;
3643 		if (fwd->listen_path != NULL) {
3646 			    xstrdup(fwd->listen_path);
3650 			    fwd->listen_host ? xstrdup(fwd->listen_host) : NULL;
3652 			permitted_opens[idx].listen_port = fwd->listen_port;
3797 channel_request_rforward_cancel(struct Forward *fwd)
3799 	if (fwd->listen_path != NULL) {
3801 		    fwd->listen_path));
3803 		return (channel_request_rforward_cancel_tcpip(fwd->listen_host,
3804 		    fwd->listen_port ? fwd->listen_port : fwd->allocated_port));