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authorMike Frysinger2006-03-23 23:44:29 +0000
committerMike Frysinger2006-03-23 23:44:29 +0000
commit787140df3992ccc3ebdc09f6d2dcb584f580f49f (patch)
tree666fdb071676c676f52bdc204f6df801b17e7196 /networking/udhcp/socket.c
parente0fe93759339a9e043cd0489f5bfabd59b5fcb78 (diff)
downloadbusybox-787140df3992ccc3ebdc09f6d2dcb584f580f49f.zip
busybox-787140df3992ccc3ebdc09f6d2dcb584f580f49f.tar.gz
remove in place of external link
Diffstat (limited to 'networking/udhcp/socket.c')
-rw-r--r--networking/udhcp/socket.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c
deleted file mode 100644
index 0368851..0000000
--- a/networking/udhcp/socket.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * socket.c -- DHCP server client/server socket creation
- *
- * udhcp client/server
- * Copyright (C) 1999 Matthew Ramsay <matthewr@moreton.com.au>
- * Chris Trew <ctrew@moreton.com.au>
- *
- * Rewrite by Russ Dill <Russ.Dill@asu.edu> July 2001
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <string.h>
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <errno.h>
-#include <features.h>
-#if __GLIBC__ >=2 && __GLIBC_MINOR >= 1
-#include <netpacket/packet.h>
-#include <net/ethernet.h>
-#else
-#include <asm/types.h>
-#include <linux/if_packet.h>
-#include <linux/if_ether.h>
-#endif
-
-#include "socket.h"
-#include "common.h"
-
-int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
-{
- int fd;
- struct ifreq ifr;
- struct sockaddr_in *our_ip;
-
- memset(&ifr, 0, sizeof(struct ifreq));
- if((fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) >= 0) {
- ifr.ifr_addr.sa_family = AF_INET;
- strcpy(ifr.ifr_name, interface);
-
- if (addr) {
- if (ioctl(fd, SIOCGIFADDR, &ifr) == 0) {
- our_ip = (struct sockaddr_in *) &ifr.ifr_addr;
- *addr = our_ip->sin_addr.s_addr;
- DEBUG(LOG_INFO, "%s (our ip) = %s", ifr.ifr_name, inet_ntoa(our_ip->sin_addr));
- } else {
- LOG(LOG_ERR, "SIOCGIFADDR failed, is the interface up and configured?: %m");
- close(fd);
- return -1;
- }
- }
-
- if (ioctl(fd, SIOCGIFINDEX, &ifr) == 0) {
- DEBUG(LOG_INFO, "adapter index %d", ifr.ifr_ifindex);
- *ifindex = ifr.ifr_ifindex;
- } else {
- LOG(LOG_ERR, "SIOCGIFINDEX failed!: %m");
- close(fd);
- return -1;
- }
- if (ioctl(fd, SIOCGIFHWADDR, &ifr) == 0) {
- memcpy(arp, ifr.ifr_hwaddr.sa_data, 6);
- DEBUG(LOG_INFO, "adapter hardware address %02x:%02x:%02x:%02x:%02x:%02x",
- arp[0], arp[1], arp[2], arp[3], arp[4], arp[5]);
- } else {
- LOG(LOG_ERR, "SIOCGIFHWADDR failed!: %m");
- close(fd);
- return -1;
- }
- } else {
- LOG(LOG_ERR, "socket failed!: %m");
- return -1;
- }
- close(fd);
- return 0;
-}
-
-
-int listen_socket(uint32_t ip, int port, char *inf)
-{
- struct ifreq interface;
- int fd;
- struct sockaddr_in addr;
- int n = 1;
-
- DEBUG(LOG_INFO, "Opening listen socket on 0x%08x:%d %s", ip, port, inf);
- if ((fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
- DEBUG(LOG_ERR, "socket call failed: %m");
- return -1;
- }
-
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_port = htons(port);
- addr.sin_addr.s_addr = ip;
-
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *) &n, sizeof(n)) == -1) {
- close(fd);
- return -1;
- }
- if (setsockopt(fd, SOL_SOCKET, SO_BROADCAST, (char *) &n, sizeof(n)) == -1) {
- close(fd);
- return -1;
- }
-
- strncpy(interface.ifr_ifrn.ifrn_name, inf, IFNAMSIZ);
- if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE,(char *)&interface, sizeof(interface)) < 0) {
- close(fd);
- return -1;
- }
-
- if (bind(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr)) == -1) {
- close(fd);
- return -1;
- }
-
- return fd;
-}