diff options
Diffstat (limited to 'common/raw.c')
| -rw-r--r-- | common/raw.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/common/raw.c b/common/raw.c deleted file mode 100644 index 36a0d5e2..00000000 --- a/common/raw.c +++ /dev/null @@ -1,130 +0,0 @@ -/* socket.c - - BSD raw socket interface code... */ - -/* XXX - - It's not clear how this should work, and that lack of clarity is - terribly detrimental to the NetBSD 1.1 kernel - it crashes and - burns. - - Using raw sockets ought to be a big win over using BPF or something - like it, because you don't need to deal with the complexities of - the physical layer, but it appears not to be possible with existing - raw socket implementations. This may be worth revisiting in the - future. For now, this code can probably be considered a curiosity. - Sigh. */ - -/* - * Copyright (c) 1995, 1996 The Internet Software Consortium. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of The Internet Software Consortium nor the names - * of its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND - * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * This software has been written for the Internet Software Consortium - * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie - * Enterprises. To learn more about the Internet Software Consortium, - * see ``http://www.vix.com/isc''. To learn more about Vixie - * Enterprises, see ``http://www.vix.com''. */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n"; -#endif /* not lint */ - -#include "dhcpd.h" -#include <sys/uio.h> - -#if defined (USE_RAW_SEND) -/* Generic interface registration routine... */ -void if_register_send (info, interface) - struct interface_info *info; - struct ifreq *interface; -{ - struct sockaddr_in name; - int sock; - struct socklist *tmp; - int flag; - - /* Set up the address we're going to connect to. */ - name.sin_family = AF_INET; - name.sin_port = server_port; - name.sin_addr.s_addr = htonl (INADDR_BROADCAST); - memset (name.sin_zero, 0, sizeof (name.sin_zero)); - - /* List addresses on which we're listening. */ - note ("Sending on %s, port %d", - piaddr (info -> address), htons (server_port)); - if ((sock = socket (AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0) - error ("Can't create dhcp socket: %m"); - - /* Set the BROADCAST option so that we can broadcast DHCP responses. */ - flag = 1; - if (setsockopt (sock, SOL_SOCKET, SO_BROADCAST, - &flag, sizeof flag) < 0) - error ("Can't set SO_BROADCAST option on dhcp socket: %m"); - - /* Set the IP_HDRINCL flag so that we can supply our own IP - headers... */ - if (setsockopt (sock, IPPROTO_IP, IP_HDRINCL, &flag, sizeof flag) < 0) - error ("Can't set IP_HDRINCL flag: %m"); - - info -> wfdesc = sock; - note ("Sending on Raw/%s/%s", - info -> name, - (info -> shared_network ? - info -> shared_network -> name : "unattached")); -} - -size_t send_packet (interface, packet, raw, len, from, to, hto) - struct interface_info *interface; - struct packet *packet; - struct dhcp_packet *raw; - size_t len; - struct in_addr from; - struct sockaddr_in *to; - struct hardware *hto; -{ - unsigned char buf [256]; - int bufp = 0; - struct iovec iov [2]; - - /* Assemble the headers... */ - assemble_udp_ip_header (interface, buf, &bufp, from.s_addr, - to -> sin_addr.s_addr, to -> sin_port, - (unsigned char *)raw, len); - - /* Fire it off */ - iov [0].iov_base = (char *)buf; - iov [0].iov_len = bufp; - iov [1].iov_base = (char *)raw; - iov [1].iov_len = len; - - return writev(interface -> wfdesc, iov, 2); -} -#endif /* USE_SOCKET_SEND */ |