diff options
Diffstat (limited to 'networking/udhcp/arpping.c')
| -rw-r--r-- | networking/udhcp/arpping.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/networking/udhcp/arpping.c b/networking/udhcp/arpping.c index 23c7d46..ab4c6d2 100644 --- a/networking/udhcp/arpping.c +++ b/networking/udhcp/arpping.c @@ -25,8 +25,8 @@ * interface - interface to use * retn: 1 addr free * 0 addr used - * -1 error - */ + * -1 error + */ /* FIXME: match response against chaddr */ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) @@ -51,7 +51,7 @@ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) #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); @@ -71,12 +71,12 @@ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) 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; time(&prevTime); @@ -89,8 +89,8 @@ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) 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 && + 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; @@ -101,6 +101,6 @@ int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *mac, char *interface) time(&prevTime); } close(s); - DEBUG(LOG_INFO, "%salid arp replies for this address", rv ? "No v" : "V"); + DEBUG(LOG_INFO, "%salid arp replies for this address", rv ? "No v" : "V"); return rv; } |