C++ (Cpp) ikev2_recv Examples

Example #1

File: ikev2_msg.c Project: sofuture/bitrig

void
ikev2_msg_cb(int fd, short event, void *arg)
{
	struct iked_socket	*sock = arg;
	struct iked		*env = sock->sock_env;
	struct iked_message	 msg;
	struct ike_header	 hdr;
	u_int32_t		 natt = 0x00000000;
	u_int8_t		 buf[IKED_MSGBUF_MAX];
	ssize_t			 len;
	off_t			 off;
	struct iovec		 iov[2];

	bzero(&msg, sizeof(msg));
	bzero(buf, sizeof(buf));

	msg.msg_peerlen = sizeof(msg.msg_peer);
	msg.msg_locallen = sizeof(msg.msg_local);
	msg.msg_parent = &msg;
	memcpy(&msg.msg_local, &sock->sock_addr, sizeof(sock->sock_addr));

	if ((len = recvfromto(fd, buf, sizeof(buf), 0,
	    (struct sockaddr *)&msg.msg_peer, &msg.msg_peerlen,
	    (struct sockaddr *)&msg.msg_local, &msg.msg_locallen)) <
	    (ssize_t)sizeof(natt))
		return;

	if (socket_getport(&msg.msg_local) == IKED_NATT_PORT) {
		if (bcmp(&natt, buf, sizeof(natt)) != 0)
			return;
		msg.msg_natt = 1;
		off = sizeof(natt);
	} else
		off = 0;

	if ((size_t)(len - off) <= sizeof(hdr))
		return;
	memcpy(&hdr, buf + off, sizeof(hdr));

	if ((msg.msg_data = ibuf_new(buf + off, len - off)) == NULL)
		return;

	if (hdr.ike_version == IKEV1_VERSION) {
		iov[0].iov_base = &msg;
		iov[0].iov_len = sizeof(msg);
		iov[1].iov_base = buf;
		iov[1].iov_len = len;

		proc_composev_imsg(env, PROC_IKEV1, IMSG_IKE_MESSAGE, -1,
		    iov, 2);
		goto done;
	}
	TAILQ_INIT(&msg.msg_proposals);

	msg.msg_fd = fd;
	ikev2_recv(env, &msg);

 done:
	ikev2_msg_cleanup(env, &msg);
}

Example #2

File: ikev2_msg.c Project: xcllnt/openiked

void
ikev2_msg_cb(int fd, short event, void *arg)
{
	struct iked_socket	*sock = arg;
	struct iked		*env = sock->sock_env;
	struct iked_message	 msg;
	struct ike_header	 hdr;
	uint32_t		 natt = 0x00000000;
	uint8_t			 buf[IKED_MSGBUF_MAX];
	ssize_t			 len;
	off_t			 off;

	bzero(&msg, sizeof(msg));
	bzero(buf, sizeof(buf));

	msg.msg_peerlen = sizeof(msg.msg_peer);
	msg.msg_locallen = sizeof(msg.msg_local);
	msg.msg_parent = &msg;
	memcpy(&msg.msg_local, &sock->sock_addr, sizeof(sock->sock_addr));

	if ((len = recvfromto(fd, buf, sizeof(buf), 0,
	    (struct sockaddr *)&msg.msg_peer, &msg.msg_peerlen,
	    (struct sockaddr *)&msg.msg_local, &msg.msg_locallen)) <
	    (ssize_t)sizeof(natt))
		return;

	if (socket_getport((struct sockaddr *)&msg.msg_local) ==
	    IKED_NATT_PORT) {
		if (memcmp(&natt, buf, sizeof(natt)) != 0)
			return;
		msg.msg_natt = 1;
		off = sizeof(natt);
	} else
		off = 0;

	if ((size_t)(len - off) <= sizeof(hdr))
		return;
	memcpy(&hdr, buf + off, sizeof(hdr));

	if ((msg.msg_data = ibuf_new(buf + off, len - off)) == NULL)
		return;

	TAILQ_INIT(&msg.msg_proposals);
	msg.msg_fd = fd;

	if (hdr.ike_version == IKEV1_VERSION)
		ikev1_recv(env, &msg);
	else
		ikev2_recv(env, &msg);

	ikev2_msg_cleanup(env, &msg);
}