| 32,6 → 32,14 |
|---|
| include '../network.inc' |
| include '../struct.inc' |
| |
| ; Ethernet protocol numbers |
| ETHER_PPP_DISCOVERY = 0x6388 |
| ETHER_PPP_SESSION = 0x6488 |
| |
| ; PPP protocol numbers |
| PPP_IPv4 = 0x2100 |
| PPP_LCP = 0x21c0 |
| |
| ; PPP Active Discovery... |
| PPPoE_PADI = 0x09 ; .. Initiation |
| PPPoE_PADO = 0x07 ; .. Offer |
| 45,6 → 53,18 |
|---|
| TAG_HOST_UNIQ = 0x0301 |
| TAG_AC_COOKIE = 0x0401 |
| |
| LCP_config_request = 1 |
| LCP_config_ack = 2 |
| LCP_config_nak = 3 |
| LCP_config_reject = 4 |
| LCP_terminate_request = 5 |
| LCP_terminate_ack = 6 |
| LCP_code_reject = 7 |
| LCP_protocol_reject = 8 |
| LCP_echo_request = 9 |
| LCP_echo_reply = 10 |
| LCP_discard_request = 11 |
| |
| struct ETH_frame |
| DestMac dp ? |
| SrcMac dp ? |
| 51,7 → 71,6 |
|---|
| Type dw ? |
| ends |
| |
| |
| struct PPPoE_frame ETH_frame |
| VersionAndType db ? |
| Code db ? |
| 60,6 → 79,17 |
|---|
| Payload rb 0 |
| ends |
| |
| struct PPP_frame PPPoE_frame |
| Protocol dw ? |
| ends |
| |
| struct LCP_frame PPP_frame |
| LCP_Code db ? |
| LCP_Identifier db ? |
| LCP_Length dw ? |
| LCP_Data rb 0 |
| ends |
| |
| ; entry point |
| start: |
| ; load libraries |
| 99,6 → 129,12 |
|---|
| cmp eax, sizeof.PPPoE_frame |
| jb mainloop |
| |
| cmp word [buffer + ETH_frame.Type], ETHER_PPP_SESSION |
| je LCP_input |
| |
| cmp word [buffer + ETH_frame.Type], ETHER_PPP_DISCOVERY |
| jne mainloop |
| |
| cmp [buffer + PPPoE_frame.Code], PPPoE_PADO |
| je pado |
| |
| 166,6 → 202,35 |
|---|
| mcall send, [socketnum], PADT, 14 + 6, 0 |
| jmp exit |
| |
| |
| LCP_input: |
| |
| cmp word [buffer + PPP_frame.Protocol], PPP_LCP |
| jne mainloop |
| |
| cmp [buffer + LCP_frame.LCP_Code], LCP_echo_request |
| je .echo |
| |
| .dump: |
| jmp mainloop |
| |
| .echo: |
| mov [buffer + LCP_frame.LCP_Code], LCP_echo_reply |
| |
| push dword [buffer + ETH_frame.DestMac] |
| push dword [buffer + ETH_frame.SrcMac] |
| pop dword [buffer + ETH_frame.DestMac] |
| pop dword [buffer + ETH_frame.SrcMac] |
| push word [buffer + ETH_frame.DestMac + 4] |
| push word [buffer + ETH_frame.SrcMac + 4] |
| pop word [buffer + ETH_frame.DestMac + 4] |
| pop word [buffer + ETH_frame.SrcMac + 4] |
| |
| mov esi, eax |
| mcall send, [socketnum], buffer, , 0 ; now send it! |
| |
| jmp mainloop |
| |
| ; data |
| title db 'PPPoE',0 |
| str1 db 'Sending PADI',13,10,0 |
| 228,6 → 293,7 |
|---|
| i_end: |
| |
| socketnum dd ? |
| sid dw ? |
| buffer rb 4096 |
| rb 4096 ; stack |
| mem: |