| 675,33 → 675,16 |
|---|
| mov eax, 0x01000100 |
| stosd |
| ; 7. Get DNS server address. |
| ; Get number of running cards. |
| mcall 73, -1 |
| xchg eax, edx |
| ; Loop for all initialized network cards, scanning for initialized DNS address. |
| mov ebx, 0x00000004 ; protocol IP=0, device number=0, function=get DNS address |
| .get_dns_loop: |
| mcall 75 |
| mcall 75, 0x00000004 ; protocol IP=0, device number=0, function=get DNS address |
| cmp eax, -1 |
| jz .get_dns_next |
| test ecx, ecx |
| jnz .got_dns |
| dec edx |
| jz .get_dns_done |
| .get_dns_next: |
| inc bh |
| jnz .get_dns_loop |
| ; all possible devices were checked, none found - return error |
| .get_dns_done: |
| jmp .ret.dnserr |
| .got_dns: |
| mov esi, ecx ; put server address to esi |
| je .ret.dnserr |
| mov esi, eax ; put server address to esi |
| ; 8. Open UDP socket to DNS server, port 53. |
| ; 8a. Create new socket. |
| mcall 74, 0, AF_INET, IPPROTO_UDP |
| cmp eax, -1 ; error? |
| jz .ret.dnserr |
| xchg ecx, eax ; put socket handle to ecx |
| mov ecx, eax ; put socket handle to ecx |
| ; 8b. Create sockaddr structure on the stack. |
| push 0 |
| push 0 ; sin_zero |
| 708,7 → 691,7 |
|---|
| push esi ; sin_addr |
| push AF_INET + (53 shl 24) |
| ; sin_family and sin_port in network byte order |
| ; 8c. Call the system. |
| ; 8c. Connect. |
| mcall 74, 4, , esp, sizeof.sockaddr_in |
| ; 8d. Restore the stack, undo 8b. |
| add esp, esi |
| 778,7 → 761,7 |
|---|
| ; 2. Read UDP datagram. |
| mov ecx, [edi+__gai_reqdata.socket] |
| push edi |
| mcall 74, 6, , , 512, 0 |
| mcall 74, 7, , , 512, 0 |
| pop edi |
| ; 3. Ignore events for other sockets (return if no data read) |
| test eax, eax |