diff options
Diffstat (limited to 'udp.c')
| -rw-r--r-- | udp.c | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -49,12 +49,12 @@ int sendCustomUDP(const int socket, const int ifindex, const unsigned char *sour exit(1); } - // Ethernet header + /* Ethernet header */ memcpy(eh->h_source, sourcemac, ETH_ALEN); memcpy(eh->h_dest, destmac, ETH_ALEN); eh->h_proto = 8; - // SendTo struct + /* SendTo struct */ socket_address.sll_family = PF_PACKET; socket_address.sll_protocol = htons(ETH_P_IP); socket_address.sll_ifindex = ifindex; @@ -66,7 +66,7 @@ int sendCustomUDP(const int socket, const int ifindex, const unsigned char *sour socket_address.sll_addr[6] = 0x00;/*not used*/ socket_address.sll_addr[7] = 0x00;/*not used*/ - // IP Header + /* IP Header */ ip->version = 4; ip->ihl = 5; ip->tos = 0x10; @@ -74,13 +74,13 @@ int sendCustomUDP(const int socket, const int ifindex, const unsigned char *sour ip->id = htons(id++); ip->frag_off = 0x0040; ip->ttl = 64; - ip->protocol = 17; // UDP + ip->protocol = 17; /* UDP */ ip->check = 0x0000; ip->saddr = sourceip->s_addr; ip->daddr = destip->s_addr; ip->check = in_cksum((unsigned short *)ip, sizeof(struct iphdr)); - // UDP Header + /* UDP Header */ udp->source = htons(20561); udp->dest = htons(20561); udp->check = 0; @@ -88,7 +88,7 @@ int sendCustomUDP(const int socket, const int ifindex, const unsigned char *sour memcpy(rest, data, datalen); - /*send the packet*/ + /* Send the packet */ send_result = sendto(socket, buffer, datalen+8+14+20, 0, (struct sockaddr*)&socket_address, sizeof(socket_address)); free(buffer); |