2 * $Id: libnet_socket.c,v 1.1.1.1 2000/05/25 00:28:49 route Exp $
5 * libnet_socket.c - raw sockets routines
7 * Copyright (c) 1998 - 2001 Mike D. Schiffman <mike@infonexus.com>
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include "../include/config.h"
36 #include "../include/libnet.h"
39 libnet_open_raw_sock(prot)
49 fd = socket(AF_INET, SOCK_RAW, prot);
53 libnet_error(LIBNET_ERR_CRITICAL,
54 "libnet_open_raw_sock: SOCK_RAW allocation failed: %s\n",
59 if (setsockopt(fd, IPPROTO_IP, IP_HDRINCL, oneptr, sizeof(one)) == -1)
62 libnet_error(LIBNET_ERR_CRITICAL,
63 "libnet_open_raw_sock: set IP_HDRINCL failed: %s\n",
69 if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, oneptr, sizeof(one)) == -1)
72 libnet_error(LIBNET_ERR_CRITICAL,
73 "libnet_open_raw_sock: set SO_BROADCAST failed: %s\n",
78 #endif /* __linux__ */
84 libnet_close_raw_sock(int fd)