| 125,6 → 125,14 |
|---|
| ret |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| ;-------------------------------- |
| ; |
| ; ICMP_Handler: |
| 151,6 → 159,11 |
|---|
| mov byte [edx + ICMP_Packet.Type], ICMP_ECHOREPLY ; Change Packet type to reply |
| mov word [edx + ICMP_Packet.Checksum], 0 ; Set checksum to 0, needed to calculate new checksum |
| |
| call ETH_struc2dev |
| cmp edi,-1 |
| je .dump |
| inc [ICMP_PACKETS_RX+4*edi] |
| |
| ; exchange dest and source address in IP header |
| ; exchange dest and source MAC in ETH header |
| mov esi, [esp] |
| 197,8 → 210,12 |
|---|
| xchg al, ah ; Convert to intel byte order |
| mov word [edx + ICMP_Packet.Checksum], ax |
| |
| jmp ETH_Sender |
| jmp ETH_Sender ; Send the reply |
| |
| |
| |
| |
| |
| .check_sockets: |
| ; TODO: validate the header & checksum. Discard buffer if error |
| |
| 222,6 → 239,11 |
|---|
| cmp ecx, SOCKETBUFFSIZE - SOCKETHEADERSIZE; TODO: fix this problem ! |
| jg .dump |
| |
| call IPv4_dest_to_dev |
| cmp edi,-1 |
| je .dump |
| inc [ICMP_PACKETS_RX+4*edi] |
| |
| DEBUGF 1,"Found valid ICMP packet for socket %x\n", esi |
| |
| lea ebx, [esi + SOCKET.lock] |