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163
Task/Sockets/X86-Assembly/sockets-1.x86
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163
Task/Sockets/X86-Assembly/sockets-1.x86
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;using sockets on linux with the 0x80 inturrprets.
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;
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;assemble
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; nasm -o socket.o -f elf32 -g socket.asm
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;link
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; ld -o socket socket.o
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;
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;
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;Just some assigns for better readability
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%assign SOCK_STREAM 1
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%assign AF_INET 2
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%assign SYS_socketcall 102
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%assign SYS_SOCKET 1
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%assign SYS_CONNECT 3
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%assign SYS_SEND 9
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%assign SYS_RECV 10
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section .text
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global _start
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;--------------------------------------------------
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;Functions to make things easier. :]
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;--------------------------------------------------
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_socket:
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mov [cArray+0], dword AF_INET
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mov [cArray+4], dword SOCK_STREAM
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mov [cArray+8], dword 0
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mov eax, SYS_socketcall
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mov ebx, SYS_SOCKET
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mov ecx, cArray
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int 0x80
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ret
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_connect:
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call _socket
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mov dword [sock], eax
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mov dx, si
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mov byte [edi+3], dl
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mov byte [edi+2], dh
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mov [cArray+0], eax ;sock;
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mov [cArray+4], edi ;&sockaddr_in;
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mov edx, 16
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mov [cArray+8], edx ;sizeof(sockaddr_in);
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mov eax, SYS_socketcall
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mov ebx, SYS_CONNECT
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mov ecx, cArray
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int 0x80
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ret
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_send:
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mov edx, [sock]
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mov [sArray+0],edx
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mov [sArray+4],eax
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mov [sArray+8],ecx
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mov [sArray+12], dword 0
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mov eax, SYS_socketcall
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mov ebx, SYS_SEND
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mov ecx, sArray
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int 0x80
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ret
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_exit:
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push 0x1
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mov eax, 1
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push eax
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int 0x80
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_print:
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mov ebx, 1
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mov eax, 4
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int 0x80
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ret
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;--------------------------------------------------
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;Main code body
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;--------------------------------------------------
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_start:
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mov esi, szIp
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mov edi, sockaddr_in
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xor eax,eax
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xor ecx,ecx
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xor edx,edx
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.cc:
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xor ebx,ebx
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.c:
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lodsb
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inc edx
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sub al,'0'
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jb .next
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imul ebx,byte 10
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add ebx,eax
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jmp short .c
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.next:
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mov [edi+ecx+4],bl
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inc ecx
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cmp ecx,byte 4
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jne .cc
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mov word [edi], AF_INET
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mov esi, szPort
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xor eax,eax
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xor ebx,ebx
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.nextstr1:
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lodsb
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test al,al
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jz .ret1
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sub al,'0'
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imul ebx,10
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add ebx,eax
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jmp .nextstr1
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.ret1:
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xchg ebx,eax
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mov [sport], eax
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mov si, [sport]
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call _connect
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cmp eax, 0
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jnz short _fail
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mov eax, msg
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mov ecx, msglen
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call _send
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call _exit
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_fail:
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mov edx, cerrlen
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mov ecx, cerrmsg
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call _print
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call _exit
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_recverr:
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call _exit
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_dced:
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call _exit
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section .data
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cerrmsg db 'failed to connect :(',0xa
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cerrlen equ $-cerrmsg
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msg db 'Hello socket world!',0xa
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msglen equ $-msg
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szIp db '127.0.0.1',0
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szPort db '256',0
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section .bss
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sock resd 1
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;general 'array' for syscall_socketcall argument arg.
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cArray resd 1
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resd 1
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resd 1
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resd 1
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;send 'array'.
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sArray resd 1
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resd 1
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resd 1
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resd 1
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;duh?
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sockaddr_in resb 16
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;..
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sport resb 2
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buff resb 1024
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145
Task/Sockets/X86-Assembly/sockets-2.x86
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145
Task/Sockets/X86-Assembly/sockets-2.x86
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@ -0,0 +1,145 @@
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.586
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.model flat,stdcall
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option casemap:none
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include /masm32/include/windows.inc
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include /masm32/include/user32.inc
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include /masm32/include/kernel32.inc
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include /masm32/include/ws2_32.inc
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includelib /masm32/lib/user32.lib
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includelib /masm32/lib/kernel32.lib
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includelib /masm32/lib/ws2_32.lib
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WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
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.data
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ClassName db "MainWinClass",0
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AppName db "Async Sockets",0
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szSockStr db "Hello socket world!",13,10,0
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szIp db "127.0.0.1",0
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port dd 256
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wsa WSADATA <>
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sa sockaddr_in <>
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.data?
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hInstance dd ?
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CommandLine dd ?
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sock dd ?
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.const
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WM_SOCK equ WM_USER+100
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.code
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start:
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invoke WSAStartup, 200h, addr wsa
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.if eax!=NULL
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invoke ExitProcess, eax
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.else
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invoke GetModuleHandle, NULL
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mov hInstance,eax
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invoke GetCommandLine
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mov CommandLine,eax
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invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT
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invoke ExitProcess,eax
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.endif
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WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
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LOCAL wc:WNDCLASSEX
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LOCAL msg:MSG
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LOCAL hwnd:HWND
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mov wc.cbSize,SIZEOF WNDCLASSEX
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mov wc.style, CS_HREDRAW or CS_VREDRAW
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mov wc.lpfnWndProc, OFFSET WndProc
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mov wc.cbClsExtra,NULL
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mov wc.cbWndExtra,NULL
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push hInstance
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pop wc.hInstance
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mov wc.hbrBackground,COLOR_BTNFACE+1
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mov wc.lpszMenuName,NULL
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mov wc.lpszClassName,OFFSET ClassName
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invoke LoadIcon,NULL,IDI_APPLICATION
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mov wc.hIcon,eax
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mov wc.hIconSm,eax
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invoke LoadCursor,NULL,IDC_ARROW
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mov wc.hCursor,eax
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invoke RegisterClassEx, addr wc
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INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\
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WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\
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CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,\
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hInst,NULL
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mov hwnd,eax
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invoke ShowWindow, hwnd,SW_SHOWNORMAL
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invoke UpdateWindow, hwnd
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.WHILE TRUE
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invoke GetMessage, ADDR msg,NULL,0,0
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.BREAK .IF (!eax)
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invoke TranslateMessage, ADDR msg
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invoke DispatchMessage, ADDR msg
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.ENDW
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mov eax,msg.wParam
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ret
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WinMain endp
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WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
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.IF uMsg==WM_DESTROY
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invoke PostQuitMessage,NULL
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.ELSEIF uMsg==WM_CREATE
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invoke socket, AF_INET,SOCK_STREAM, 0
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.if eax==INVALID_SOCKET
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;error
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.endif
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mov sock, eax
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invoke WSAAsyncSelect, sock, hWnd, WM_SOCK, FD_CONNECT or FD_CLOSE
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.if eax==INVALID_SOCKET
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;error!
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.endif
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mov sa.sin_family, AF_INET
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invoke inet_addr, addr szIp
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mov sa.sin_addr, eax
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invoke htons, port
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mov sa.sin_port, ax
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invoke connect, sock, addr sa, sizeof sa
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.if eax==SOCKET_ERROR
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invoke WSAGetLastError
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.if eax!=WSAEWOULDBLOCK
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;real error.
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.endif
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.endif
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.elseif uMsg==WM_SOCK
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mov edx, lParam
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.if dx==FD_CONNECT
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shr edx, 16
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.if dx==NULL
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invoke lstrlen, addr szSockStr
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invoke send, sock, addr szSockStr, eax, 0
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.else
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;error
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.endif
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.elseif dx==FD_CLOSE
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shr edx, 16
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.if dx==NULL
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invoke SendMessage, hWnd, WM_DESTROY, 0, 0
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.endif
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.endif
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.ELSE
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invoke DefWindowProc,hWnd,uMsg,wParam,lParam
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ret
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.ENDIF
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xor eax,eax
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ret
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WndProc endp
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end start
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118
Task/Sockets/X86-Assembly/sockets-3.x86
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118
Task/Sockets/X86-Assembly/sockets-3.x86
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@ -0,0 +1,118 @@
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.586
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.model flat,stdcall
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option casemap:none
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include /masm32/include/windows.inc
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include /masm32/include/user32.inc
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include /masm32/include/kernel32.inc
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include /masm32/include/ws2_32.inc
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includelib /masm32/lib/user32.lib
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includelib /masm32/lib/kernel32.lib
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includelib /masm32/lib/ws2_32.lib
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WinMain proto :DWORD,:DWORD,:DWORD,:DWORD
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.data
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ClassName db "MainWinClass",0
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AppName db "Blocking Sockets",0
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szSockStr db "Hello socket world!",13,10,0
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szIp db "127.0.0.1",0
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port dd 256
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wsa WSADATA <>
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sa sockaddr_in <>
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.data?
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hInstance dd ?
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CommandLine dd ?
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sock dd ?
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.code
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start:
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invoke WSAStartup, 200h, addr wsa
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.if eax!=NULL
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invoke ExitProcess, eax
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.else
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invoke GetModuleHandle, NULL
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mov hInstance,eax
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invoke GetCommandLine
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mov CommandLine,eax
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invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT
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invoke ExitProcess,eax
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.endif
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WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD
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LOCAL wc:WNDCLASSEX
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LOCAL msg:MSG
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LOCAL hwnd:HWND
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mov wc.cbSize,SIZEOF WNDCLASSEX
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mov wc.style, CS_HREDRAW or CS_VREDRAW
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mov wc.lpfnWndProc, OFFSET WndProc
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mov wc.cbClsExtra,NULL
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mov wc.cbWndExtra,NULL
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push hInstance
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pop wc.hInstance
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mov wc.hbrBackground,COLOR_BTNFACE+1
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mov wc.lpszMenuName,NULL
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mov wc.lpszClassName,OFFSET ClassName
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invoke LoadIcon,NULL,IDI_APPLICATION
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mov wc.hIcon,eax
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mov wc.hIconSm,eax
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invoke LoadCursor,NULL,IDC_ARROW
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mov wc.hCursor,eax
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invoke RegisterClassEx, addr wc
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INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\
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WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\
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CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,\
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hInst,NULL
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mov hwnd,eax
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invoke ShowWindow, hwnd,SW_SHOWNORMAL
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invoke UpdateWindow, hwnd
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.WHILE TRUE
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invoke GetMessage, ADDR msg,NULL,0,0
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.BREAK .IF (!eax)
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invoke TranslateMessage, ADDR msg
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invoke DispatchMessage, ADDR msg
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.ENDW
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mov eax,msg.wParam
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ret
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WinMain endp
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WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM
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.IF uMsg==WM_DESTROY
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invoke PostQuitMessage,NULL
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.ELSEIF uMsg==WM_CREATE
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invoke socket, AF_INET,SOCK_STREAM, 0
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.if eax==INVALID_SOCKET
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;error
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.endif
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mov sock, eax
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mov sa.sin_family, AF_INET
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invoke inet_addr, addr szIp
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mov sa.sin_addr, eax
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invoke htons, port
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mov sa.sin_port, ax
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invoke connect, sock, addr sa, sizeof sa
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invoke lstrlen, addr szSockStr
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invoke send, sock, addr szSockStr, eax, 0
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.ELSE
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invoke DefWindowProc,hWnd,uMsg,wParam,lParam
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ret
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.ENDIF
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xor eax,eax
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ret
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WndProc endp
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end start
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