diff options
Diffstat (limited to 'gdhcp/ipv4ll.c')
| -rwxr-xr-x | gdhcp/ipv4ll.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gdhcp/ipv4ll.c b/gdhcp/ipv4ll.c index c43971f0..d9001987 100755 --- a/gdhcp/ipv4ll.c +++ b/gdhcp/ipv4ll.c @@ -72,7 +72,7 @@ int ipv4ll_send_arp_packet(uint8_t* source_eth, uint32_t source_ip, uint32_t ip_target; int fd, n; - fd = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, htons(ETH_P_ARP)); + fd = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, 0); if (fd < 0) return -errno; @@ -85,8 +85,9 @@ int ipv4ll_send_arp_packet(uint8_t* source_eth, uint32_t source_ip, dest.sll_halen = ETH_ALEN; memset(dest.sll_addr, 0xFF, ETH_ALEN); if (bind(fd, (struct sockaddr *)&dest, sizeof(dest)) < 0) { + int err = errno; close(fd); - return -errno; + return -err; } ip_source = htonl(source_ip); @@ -116,7 +117,7 @@ int ipv4ll_arp_socket(int ifindex) int fd; struct sockaddr_ll sock; - fd = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, htons(ETH_P_ARP)); + fd = socket(PF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC, 0); if (fd < 0) return fd; @@ -127,8 +128,9 @@ int ipv4ll_arp_socket(int ifindex) sock.sll_ifindex = ifindex; if (bind(fd, (struct sockaddr *) &sock, sizeof(sock)) != 0) { + int err = errno; close(fd); - return -errno; + return -err; } return fd; |