C++ (Cpp) server_request_direct_tcpip Examples

Example #1

File: serverloop.c Project: cafeinecake/libopenssh

static int
server_input_channel_open(int type, u_int32_t seq, struct ssh *ssh)
{
	Channel *c = NULL;
	char *ctype = 0;
	int r;
	u_int rchan, rmaxpack, rwindow;
	size_t len;

	if ((r = sshpkt_get_cstring(ssh, &ctype, &len)) != 0 ||
	    (r = sshpkt_get_u32(ssh, &rchan)) != 0 ||
	    (r = sshpkt_get_u32(ssh, &rwindow)) != 0 ||
	    (r = sshpkt_get_u32(ssh, &rmaxpack)) != 0)
		goto out;

	debug("server_input_channel_open: ctype %s rchan %d win %d max %d",
	    ctype, rchan, rwindow, rmaxpack);

	if (strcmp(ctype, "session") == 0) {
		c = server_request_session(ssh);
	} else if (strcmp(ctype, "direct-tcpip") == 0) {
		c = server_request_direct_tcpip(ssh);
	} else if (strcmp(ctype, "*****@*****.**") == 0) {
		c = server_request_direct_streamlocal(ssh);
	} else if (strcmp(ctype, "*****@*****.**") == 0) {
		c = server_request_tun(ssh);
	}
	if (c != NULL) {
		debug("server_input_channel_open: confirm %s", ctype);
		c->remote_id = rchan;
		c->remote_window = rwindow;
		c->remote_maxpacket = rmaxpack;
		if (c->type != SSH_CHANNEL_CONNECTING) {
			if ((r = sshpkt_start(ssh,
			    SSH2_MSG_CHANNEL_OPEN_CONFIRMATION)) != 0 ||
			    (r = sshpkt_put_u32(ssh, c->remote_id)) != 0 ||
			    (r = sshpkt_put_u32(ssh, c->self)) != 0 ||
			    (r = sshpkt_put_u32(ssh, c->local_window)) != 0 ||
			    (r = sshpkt_put_u32(ssh, c->local_maxpacket)) != 0||
			    (r = sshpkt_send(ssh)) != 0)
				goto out;
		}
	} else {
		debug("server_input_channel_open: failure %s", ctype);
		if ((r = sshpkt_start(ssh, SSH2_MSG_CHANNEL_OPEN_FAILURE)) != 0 ||
		    (r = sshpkt_put_u32(ssh, rchan)) != 0 ||
		    (r = sshpkt_put_u32(ssh,
		    SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED)) != 0 ||
		    (!(ssh->compat & SSH_BUG_OPENFAILURE) &&
		    (r = sshpkt_put_cstring(ssh, "open failed")) != 0) ||
		    (!(ssh->compat & SSH_BUG_OPENFAILURE) &&
		    (r = sshpkt_put_cstring(ssh, "")) != 0) ||
		    (r = sshpkt_send(ssh)) != 0)
			goto out;
	}
	r = 0;
 out:
	free(ctype);
	return r;
}

Example #2

File: serverloop.c Project: LTD-Beget/openssh-portable

static int
server_input_channel_open(int type, u_int32_t seq, void *ctxt)
{
	Channel *c = NULL;
	char *ctype;
	int rchan;
	u_int rmaxpack, rwindow, len;

	ctype = packet_get_string(&len);
	rchan = packet_get_int();
	rwindow = packet_get_int();
	rmaxpack = packet_get_int();

	debug("server_input_channel_open: ctype %s rchan %d win %d max %d",
	    ctype, rchan, rwindow, rmaxpack);

	if (strcmp(ctype, "session") == 0) {
		c = server_request_session();
	} else if (strcmp(ctype, "direct-tcpip") == 0) {
		c = server_request_direct_tcpip();
	} else if (strcmp(ctype, "*****@*****.**") == 0) {
		c = server_request_direct_streamlocal();
	} else if (strcmp(ctype, "*****@*****.**") == 0) {
		c = server_request_tun();
	}
	if (c != NULL) {
		debug("server_input_channel_open: confirm %s", ctype);
		c->remote_id = rchan;
		c->remote_window = rwindow;
		c->remote_maxpacket = rmaxpack;
		if (c->type != SSH_CHANNEL_CONNECTING) {
			packet_start(SSH2_MSG_CHANNEL_OPEN_CONFIRMATION);
			packet_put_int(c->remote_id);
			packet_put_int(c->self);
			packet_put_int(c->local_window);
			packet_put_int(c->local_maxpacket);
			packet_send();
		}
	} else {
		debug("server_input_channel_open: failure %s", ctype);
		packet_start(SSH2_MSG_CHANNEL_OPEN_FAILURE);
		packet_put_int(rchan);
		packet_put_int(SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED);
		if (!(datafellows & SSH_BUG_OPENFAILURE)) {
			packet_put_cstring("open failed");
			packet_put_cstring("");
		}
		packet_send();
	}
	free(ctype);
	return 0;
}