remove in place of external link

1 files changed, 0 insertions, 106 deletions

diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c
deleted file mode 100644
index 4831d4371..000000000
--- a/networking/udhcp/arpping.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * arpping.c
- *
- * Mostly stolen from: dhcpcd - DHCP client daemon
- * by Yoichi Hariguchi <yoichi@fore.com>
- */
-
-#include <sys/time.h>
-#include <time.h>
-#include <sys/socket.h>
-#include <netinet/if_ether.h>
-#include <net/if_arp.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-
-#include "dhcpd.h"
-#include "arpping.h"
-#include "common.h"
-
-/* args:        yiaddr - what IP to ping
- *              ip - our ip
- *              mac - our arp address
- *              interface - interface to use
- * retn:        1 addr free
- *              0 addr used
- *              -1 error
- */
-
-/* FIXME: match response against chaddr */
-int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface)
-{
-
-        int     timeout = 2;
-        int     optval = 1;
-        int     s;                      /* socket */
-        int     rv = 1;                 /* return value */
-        struct sockaddr addr;           /* for interface name */
-        struct arpMsg   arp;
-        fd_set          fdset;
-        struct timeval  tm;
-        time_t          prevTime;
-
-
-        if ((s = socket (PF_PACKET, SOCK_PACKET, htons(ETH_P_ARP))) == -1) {
-#ifdef IN_BUSYBOX
-                LOG(LOG_ERR, bb_msg_can_not_create_raw_socket);
-#else
-                LOG(LOG_ERR, "Could not open raw socket");
-#endif
-                return -1;
-        }
-
-        if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, &optval, sizeof(optval)) == -1) {
-                LOG(LOG_ERR, "Could not setsocketopt on raw socket");
-                close(s);
-                return -1;
-        }
-
-        /* send arp request */
-        memset(&arp, 0, sizeof(arp));
-        memcpy(arp.h_dest, MAC_BCAST_ADDR, 6);          /* MAC DA */
-        memcpy(arp.h_source, mac, 6);                   /* MAC SA */
-        arp.h_proto = htons(ETH_P_ARP);                 /* protocol type (Ethernet) */
-        arp.htype = htons(ARPHRD_ETHER);                /* hardware type */
-        arp.ptype = htons(ETH_P_IP);                    /* protocol type (ARP message) */
-        arp.hlen = 6;                                   /* hardware address length */
-        arp.plen = 4;                                   /* protocol address length */
-        arp.operation = htons(ARPOP_REQUEST);           /* ARP op code */
-        memcpy(arp.sInaddr, &ip, sizeof(ip));           /* source IP address */
-        memcpy(arp.sHaddr, mac, 6);                     /* source hardware address */
-        memcpy(arp.tInaddr, &yiaddr, sizeof(yiaddr));   /* target IP address */
-
-        memset(&addr, 0, sizeof(addr));
-        strcpy(addr.sa_data, interface);
-        if (sendto(s, &arp, sizeof(arp), 0, &addr, sizeof(addr)) < 0)
-                rv = 0;
-
-        /* wait arp reply, and check it */
-        tm.tv_usec = 0;
-        prevTime = uptime();
-        while (timeout > 0) {
-                FD_ZERO(&fdset);
-                FD_SET(s, &fdset);
-                tm.tv_sec = timeout;
-                if (select(s + 1, &fdset, (fd_set *) NULL, (fd_set *) NULL, &tm) < 0) {
-                        DEBUG(LOG_ERR, "Error on ARPING request: %m");
-                        if (errno != EINTR) rv = 0;
-                } else if (FD_ISSET(s, &fdset)) {
-                        if (recv(s, &arp, sizeof(arp), 0) < 0 ) rv = 0;
-                        if (arp.operation == htons(ARPOP_REPLY) &&
-                            bcmp(arp.tHaddr, mac, 6) == 0 &&
-                            *((uint32_t *) arp.sInaddr) == yiaddr) {
-                                DEBUG(LOG_INFO, "Valid arp reply receved for this address");
-                                rv = 0;
-                                break;
-                        }
-                }
-                timeout -= uptime() - prevTime;
-                prevTime = uptime();
-        }
-        close(s);
-        DEBUG(LOG_INFO, "%salid arp replies for this address", rv ? "No v" : "V");
-        return rv;
-}