mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-24 07:36:48 +03:00
189 lines
3.9 KiB
PHP
189 lines
3.9 KiB
PHP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; CHAT.INC ;;
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;; ;;
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;; Modem Chat Initiator for PPP Dialer ;;
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;; ;;
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;; Version 3 2nd May 2003 ;;
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;; ;;
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;; Copyright 2002 Shrirang Bhagwat, b_shrirang@hotmail.com ;;
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;; ;;
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;; See file COPYING for details ;;
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;; ;;
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;; 2/5/03 - Shrirang - Added Abort Strings For sendwait ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Request And Response Chat Strings
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; Following Data Structure is used for Request Response Chatting
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; with the modem, for each request there is an expected response
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; chatreq <-> chatres, 0 (NULL) is delimeter for 1 string
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; '`' is delimiter for the section, modify according to your
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; modem dialing scheme; in future MenuetOS might provide a graphical
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; client to generate this kind of data structure and the PAP packet
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; for username and password!
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; Aborts strings are used to get outta sendwait early...
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; REQUESTS
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chatreq db 'ATH',13,0 ; 0 (NULL) is required by sendwait
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db 'ATZ',13,0
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db 'ATM1',13,0
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db 'ATX1',13,0 ; My Modem doesn't connect without this
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; db 'ATDT;',13,0
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db 'ATDT phonenumber',13,0
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db '`' ; <- End Marker
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; RESPONSES
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chatres db 'OK',0
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db 'OK',0
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db 'OK',0
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db 'OK',0
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; db 'OK',0
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db 'CONNECT',0
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db '`' ; <- End Marker
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; ABORTS
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aborts db 'ERROR',0
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db 'NO CARRIER',0
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db 'NO DIALTONE',0
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db 'BUSY',0
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db 'LINE IN USE',0
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db 'NO ANSWER',0
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db '`' ; <- End Marker
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; modem_chat - chats with the modem to initiate a connection
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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modem_chat:
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push edi
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push esi
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push edx
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mov edi, chatreq ; init everytime, safe, stateless
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mov esi, chatres
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chat_now:
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cmp byte [esi], '`' ; are we done?
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je chatover
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mov edx, 6000 ; strings like "atdt;" take long on my modem
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call sendwait
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and eax, eax
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jz timeoutoccured
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updatereq:
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inc edi
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cmp byte [edi], '`'
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je updateres
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cmp byte [edi], 0
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jne updatereq
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inc edi
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updateres:
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inc esi
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cmp byte [esi], '`'
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je chatover
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cmp byte [esi], 0
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jne updateres
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inc esi
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jmp chat_now
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chatover:
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xor eax, eax ; SUCCESS!
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inc eax
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pop edx
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pop esi
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pop edi
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ret
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timeoutoccured:
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xor eax, eax ; FAIL!
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pop edx
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pop esi
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pop edi
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ret
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; scanaborts - scans the response from modem for abort srings
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; ESI - Response from modem
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; EDI - Pointer to Abort Table
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; ECX - Response Length
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; Returns 1 if abort detected, 0 otherwise
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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scanaborts:
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push esi
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push edi
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push ecx
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checkit:
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push esi
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repe cmpsb ; any abort matches?
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je abortdetected
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pop esi
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updatetbl:
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inc edi
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cmp byte [edi], '`'
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je noabortfound
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cmp byte [edi], 0
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jne updatetbl
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inc edi
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jmp checkit
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abortdetected:
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pop esi
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pop ecx
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pop edi
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pop esi
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xor eax, eax ; SUCCESS!
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inc eax
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ret
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noabortfound :
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pop ecx
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pop edi
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pop esi
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xor eax, eax ; FAILED!
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ret
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