Annotation of /trunk/mkinitrd-magellan/busybox/networking/udhcp/clientsocket.c
Parent Directory | Revision Log
Revision 532 -
(hide annotations)
(download)
Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1476 byte(s)
Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1476 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * clientsocket.c -- DHCP client socket creation | ||
4 | * | ||
5 | * udhcp client | ||
6 | * | ||
7 | * Russ Dill <Russ.Dill@asu.edu> July 2001 | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
22 | */ | ||
23 | |||
24 | #include <features.h> | ||
25 | #if (defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1) || defined(_NEWLIB_VERSION) | ||
26 | #include <netpacket/packet.h> | ||
27 | #include <net/ethernet.h> | ||
28 | #else | ||
29 | #include <asm/types.h> | ||
30 | #include <linux/if_packet.h> | ||
31 | #include <linux/if_ether.h> | ||
32 | #endif | ||
33 | |||
34 | #include "common.h" | ||
35 | |||
36 | |||
37 | int raw_socket(int ifindex) | ||
38 | { | ||
39 | int fd; | ||
40 | struct sockaddr_ll sock; | ||
41 | |||
42 | DEBUG("Opening raw socket on ifindex %d", ifindex); | ||
43 | fd = xsocket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP)); | ||
44 | |||
45 | sock.sll_family = AF_PACKET; | ||
46 | sock.sll_protocol = htons(ETH_P_IP); | ||
47 | sock.sll_ifindex = ifindex; | ||
48 | xbind(fd, (struct sockaddr *) &sock, sizeof(sock)); | ||
49 | |||
50 | return fd; | ||
51 | } |