| 0,0 → 1,116 |
|---|
| resolve: |
| |
| ; parse command line parameters of type |
| ; ftp://user:password@server.com:port/folder/subfolder type urls |
| |
| ; check ftp:// |
| xor edx, edx |
| mov esi, buf_cmd |
| mov edi, str_ftp |
| xor ecx, ecx |
| @@: |
| mov al, byte [esi+edx] |
| mov bl, byte [edi+edx] |
| inc edx |
| cmp al, bl |
| jne main |
| cmp byte [edi+edx], '/' |
| jne @b |
| inc ecx |
| cmp ecx, 2 |
| jne @b |
| |
| ; parse user |
| mov dword[param_user], "USER" |
| mov byte[param_user+4], " " |
| inc edx |
| add esi, edx |
| lea edi, [param_user+5] |
| .user: |
| lodsb |
| cmp al, 0 |
| je .error |
| stosb |
| cmp byte [esi], ':' |
| jne .user |
| mov word [edi], 0x0a0d |
| mov byte [edi+2], 0 |
| |
| ; parse password |
| inc esi |
| mov dword[param_password], "PASS" |
| mov byte[param_password+4], " " |
| lea edi, [param_password+5] |
| .pass: |
| lodsb |
| cmp al, 0 |
| je .error |
| stosb |
| cmp byte [esi], '@' |
| jne .pass |
| mov word [edi], 0x0a0d |
| mov byte [edi+2], 0 |
| |
| ; parse server address |
| inc esi |
| mov edi, param_server_addr |
| .addr: |
| lodsb |
| cmp al, 0 |
| je .error |
| stosb |
| cmp byte [esi], ':' |
| jne .addr |
| mov byte [edi], 0 |
| |
| ; parse port |
| inc esi |
| xor eax, eax |
| xor ebx, ebx |
| mov [sockaddr1.port], 21 shl 8 |
| .port: |
| lodsb |
| cmp al, 0 |
| je .error |
| cmp al, '/' |
| jbe @f |
| sub al, '0' |
| jb error_hostname |
| cmp al, 9 |
| ja error_hostname |
| lea ebx, [ebx*4 + ebx] |
| shl ebx, 1 |
| add ebx, eax |
| jmp .port |
| @@: ; port done |
| xchg bl, bh |
| mov [sockaddr1.port], bx |
| |
| ; parse path |
| mov dword[param_path], "CWD " |
| lea edi, [param_path+4] |
| .path: |
| lodsb |
| stosb |
| cmp byte [esi], 0 |
| jne .path |
| mov word [edi], 0x0a0d |
| mov byte [edi+2], 0 |
| |
| ; parameters resolved successfully |
| mov [use_params], 1 |
| |
| ; copy server address to buf_cmd |
| mov esi, param_server_addr |
| mov edi, buf_cmd |
| .copy: |
| lodsb |
| stosb |
| cmp byte [edi], 0 |
| jne .copy |
| mov byte [esi], 0 |
| |
| jmp no_resolve.done |
| |
| .error: |
| jmp main ; parameter resolution failed. get input from user |