| 74,13 → 74,13 |
|---|
| align 4 |
| UDP_handler: |
| |
| DEBUGF 1,"UDP_Handler, checksum:%x\n", [edx+UDP_Packet.Checksum]:4 |
| DEBUGF 1,"UDP_Handler, checksum:%x, size:%u\n", [edx+UDP_Packet.Checksum]:4, ecx |
| |
| ; First validate, checksum: |
| cmp [edx + UDP_Packet.Checksum], 0 |
| jz .no_checksum |
| |
| push ecx edx |
| push edx |
| |
| push esi |
| push edi |
| 87,7 → 87,7 |
|---|
| mov esi, edx |
| call UDP_checksum |
| |
| pop edx ecx |
| pop edx |
| |
| cmp [edx + UDP_Packet.Checksum], 0 |
| jnz .checksum_mismatch |
| 122,9 → 122,9 |
|---|
| cmp [eax + SOCKET_head.end + IPv4_SOCKET.RemoteIP], 0xffffffff |
| je .ok1 |
| |
| mov esi, [esp] |
| mov esi, [ebx + ETH_FRAME.Data + IPv4_Packet.SourceAddress] ; get the Source address from the IP Packet FIXME |
| cmp [eax + SOCKET_head.end + IPv4_SOCKET.RemoteIP], esi |
| ; mov esi, [esp] ; start of data (ethernet header) |
| ; mov esi, [esi + ETH_FRAME.Data + IPv4_Packet.SourceAddress] ; get the Source address from the IP Packet FIXME |
| cmp [eax + SOCKET_head.end + IPv4_SOCKET.RemoteIP], edi ;esi |
| jne .try_more ; Quit if the source IP is not valid, check for more sockets with this IP/PORT combination |
| |
| |
| 175,6 → 175,7 |
|---|
| |
| jmp .ok2 |
| |
| |
| .checksum_mismatch: |
| |
| DEBUGF 2,"UDP_Handler - checksum mismatch\n" |
| 301,9 → 302,10 |
|---|
| adc dl, [esp+3+8] |
| adc dh, [esp+2+8] |
| |
| adc dl, byte[esi+UDP_Packet.Length+1] |
| adc dh, byte[esi+UDP_Packet.Length+0] |
| |
| adc dl, cl ; byte[esi+UDP_Packet.Length+1] |
| adc dh, ch ; byte[esi+UDP_Packet.Length+0] |
| |
| ; Done with pseudoheader, now do real header |
| adc dl, byte[esi+UDP_Packet.SourcePort+1] |
| adc dh, byte[esi+UDP_Packet.SourcePort+0] |