2 * Copyright (c) 2006 Maxim Konovalov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Bug in IP code panics the system at close(2) on
31 * connected SOCK_RAW, IPPROTO_IP socket.
34 #include <sys/types.h>
35 #include <sys/socket.h>
36 #include <netinet/in.h>
48 fprintf(stderr, "rawconnect: no arguments\n");
53 main(int argc, __unused char *argv[])
55 struct sockaddr_in sin;
61 bzero(&sin, sizeof(sin));
62 sin.sin_len = sizeof(sin);
63 sin.sin_family = AF_INET;
64 sin.sin_addr.s_addr = INADDR_LOOPBACK;
65 sin.sin_port = htons(65534);
67 sock = socket(PF_INET, SOCK_RAW, IPPROTO_IP);
71 if (connect(sock, (struct sockaddr *)&sin, sizeof(sin)) == -1)