forked from KolibriOS/kolibrios
257 lines
6.6 KiB
NASM
257 lines
6.6 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2010-2012. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; ping.asm - ICMP echo client for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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format binary as ""
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use32
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org 0x0
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db 'MENUET01' ; signature
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dd 1 ; header version
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dd start ; entry point
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dd I_END ; initialized size
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dd mem ; required memory
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dd mem ; stack pointer
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dd s ; parameters
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dd 0 ; path
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BUFFERSIZE equ 1500
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; useful includes
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include '../macros.inc'
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purge mov,add,sub
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include '../proc32.inc'
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include '../dll.inc'
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include '../network.inc'
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include 'icmp.inc'
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start:
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; load libraries
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stdcall dll.Load, @IMPORT
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test eax, eax
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jnz exit
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; initialize console
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push 1
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call [con_start]
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push title
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push 25
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push 80
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push 25
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push 80
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call [con_init]
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; main loop
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cmp byte[s], 0
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jne resolve
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main:
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; write prompt
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push str2
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call [con_write_asciiz]
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; read string
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mov esi, s
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push 256
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push esi
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call [con_gets]
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; check for exit
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test eax, eax
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jz done
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cmp byte [esi], 10
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jz done
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; delete terminating '\n'
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push esi
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@@:
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lodsb
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test al, al
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jnz @b
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mov byte [esi-2], al
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pop esi
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resolve:
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; resolve name
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push esp ; reserve stack place
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push esp ; fourth parameter
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push 0 ; third parameter
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push 0 ; second parameter
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push s ; first parameter
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call [getaddrinfo]
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pop esi
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; test for error
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test eax, eax
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jnz fail
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; convert IP address to decimal notation
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mov eax, [esi+addrinfo.ai_addr]
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mov eax, [eax+sockaddr_in.sin_addr]
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mov [sockaddr1.ip], eax
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push eax
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call [inet_ntoa]
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; write result
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mov [ip_ptr], eax
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push eax
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; free allocated memory
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push esi
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call [freeaddrinfo]
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push str4
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call [con_write_asciiz]
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mcall socket, AF_INET4, SOCK_RAW, IPPROTO_ICMP
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cmp eax, -1
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jz fail2
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mov [socketnum], eax
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mcall connect, [socketnum], sockaddr1, 18
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mcall 40, 1 shl 7 ; + 7
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; call [con_cls]
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mov [count], 4
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mainloop:
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push str3
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call [con_write_asciiz]
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push [ip_ptr]
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call [con_write_asciiz]
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mcall 26,9
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mov [time_reference], eax
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mcall send, [socketnum], icmp_packet, icmp_packet.length, 0
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mcall 23, 300 ; 3 seconds time-out
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mcall 26,9
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neg [time_reference]
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add [time_reference], eax
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mcall recv, [socketnum], buffer_ptr, BUFFERSIZE, 0
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cmp eax, -1
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je .no_response
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; validate the packet
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lea esi, [buffer_ptr + ICMP_Packet.Data]
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mov edi, icmp_packet.data
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mov ecx, 32/4
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repe cmpsd
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jne .miscomp
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push [time_reference]
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push str7
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call [con_printf]
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jmp continue
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.miscomp:
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sub edi, icmp_packet.data
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push edi
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push str9
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call [con_printf]
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jmp continue
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.no_response:
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push str8
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call [con_write_asciiz]
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continue:
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dec [count]
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jz done
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mcall 5, 100 ; wait a second
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inc [icmp_packet.id]
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jmp mainloop
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done:
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push str10
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call [con_write_asciiz]
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call [con_getch2]
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push 1
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call [con_exit]
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exit:
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mcall -1
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fail:
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push str5
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call [con_write_asciiz]
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jmp done
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fail2:
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push str6
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call [con_write_asciiz]
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jmp done
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; data
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title db 'ICMP - echo client',0
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str2 db '> ',0
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str3 db 'Ping to ',0
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str4 db 10,0
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str5 db 'Name resolution failed.',10,0
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str6 db 'Could not open socket',10,0
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str7 db ' time= %u0ms',10,0
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str8 db ' timeout!',10,0
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str9 db ' miscompare at offset %u',10,0
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str10 db 10,'Press any key to exit',0
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sockaddr1:
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dw AF_INET4
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.port dw 0
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.ip dd 0
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rb 10
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time_reference dd ?
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ip_ptr dd ?
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count dd ?
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; import
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align 4
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@IMPORT:
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library network, 'network.obj', console, 'console.obj'
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import network, \
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getaddrinfo, 'getaddrinfo', \
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freeaddrinfo, 'freeaddrinfo', \
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inet_ntoa, 'inet_ntoa'
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import console, \
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con_start, 'START', \
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con_init, 'con_init', \
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con_write_asciiz, 'con_write_asciiz', \
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con_printf, 'con_printf', \
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con_exit, 'con_exit', \
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con_gets, 'con_gets',\
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con_cls, 'con_cls',\
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con_getch2, 'con_getch2',\
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con_set_cursor_pos, 'con_set_cursor_pos'
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socketnum dd ?
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icmp_packet: db 8 ; type
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db 0 ; code
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dw 0 ;
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.id dw 0x0000 ; identifier
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.seq dw 0x0001 ; sequence number
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.data db 'abcdefghijklmnopqrstuvwxyz012345678'
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.length = $ - icmp_packet
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I_END:
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buffer_ptr rb BUFFERSIZE
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s rb 1024
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rb 4096 ; stack
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mem:
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