445 lines
11 KiB
C++
445 lines
11 KiB
C++
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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tapi.c
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Abstract:
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This file provides all access to tapi.
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Environment:
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WIN32 User Mode
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Author:
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Wesley Witt (wesw) 17-Feb-1996
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--*/
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#include "faxocm.h"
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#pragma hdrstop
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#include <initguid.h>
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#include <devguid.h>
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DWORD TapiApiVersion;
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HLINEAPP hLineApp;
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HANDLE TapiEvent;
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DWORD TapiDevices;
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DWORD FaxDevices;
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PLINE_INFO LineInfo;
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DWORD CurrentLocationId;
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LPVOID AdaptiveModems;
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#include "modem.c"
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LONG
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MyLineGetTransCaps(
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LPLINETRANSLATECAPS *LineTransCaps
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)
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{
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DWORD LineTransCapsSize;
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LONG Rslt = ERROR_SUCCESS;
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//
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// allocate the initial linetranscaps structure
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//
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LineTransCapsSize = sizeof(LINETRANSLATECAPS) + 4096;
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*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
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if (!*LineTransCaps) {
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DebugPrint(( L"MemAlloc() failed, sz=0x%08x", LineTransCapsSize ));
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Rslt = ERROR_NOT_ENOUGH_MEMORY;
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goto exit;
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}
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(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
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Rslt = lineGetTranslateCaps(
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hLineApp,
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TapiApiVersion,
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*LineTransCaps
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineGetTranslateCaps() failed, ec=0x%08x", Rslt ));
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goto exit;
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}
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if ((*LineTransCaps)->dwNeededSize > (*LineTransCaps)->dwTotalSize) {
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//
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// re-allocate the LineTransCaps structure
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//
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LineTransCapsSize = (*LineTransCaps)->dwNeededSize;
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MemFree( *LineTransCaps );
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*LineTransCaps = (LPLINETRANSLATECAPS) MemAlloc( LineTransCapsSize );
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if (!*LineTransCaps) {
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DebugPrint(( L"MemAlloc() failed, sz=0x%08x", LineTransCapsSize ));
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Rslt = ERROR_NOT_ENOUGH_MEMORY;
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goto exit;
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}
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(*LineTransCaps)->dwTotalSize = LineTransCapsSize;
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Rslt = lineGetTranslateCaps(
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hLineApp,
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TapiApiVersion,
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*LineTransCaps
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineGetTranslateCaps() failed, ec=0x%08x", Rslt ));
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goto exit;
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}
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}
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exit:
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if (Rslt != ERROR_SUCCESS) {
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MemFree( *LineTransCaps );
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*LineTransCaps = NULL;
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}
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return Rslt;
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}
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BOOL
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ValidateModem(
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PLINE_INFO LineInfo,
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LPLINEDEVCAPS LineDevCaps
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)
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{
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PMDM_DEVSPEC MdmDevSpec;
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LPWSTR ModemKey;
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LPWSTR RespKeyName;
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HKEY hKey;
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if (LineDevCaps->dwDevSpecificSize == 0) {
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return FALSE;
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}
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MdmDevSpec = (PMDM_DEVSPEC) ((LPBYTE) LineDevCaps + LineDevCaps->dwDevSpecificOffset);
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if (MdmDevSpec->Contents != 1 || MdmDevSpec->KeyOffset != 8 && MdmDevSpec->String == NULL) {
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return FALSE;
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}
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ModemKey = AnsiStringToUnicodeString( (LPSTR) MdmDevSpec->String );
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if (!ModemKey) {
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return FALSE;
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}
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LineInfo->Flags = FPF_SEND;
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hKey = OpenRegistryKey( HKEY_LOCAL_MACHINE, ModemKey, FALSE, KEY_READ );
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if (hKey) {
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RespKeyName = GetRegistryString( hKey, L"ResponsesKeyName", EMPTY_STRING );
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if (RespKeyName) {
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if (IsModemAdaptiveAnswer( AdaptiveModems, RespKeyName )) {
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LineInfo->Flags |= FPF_RECEIVE;
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}
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MemFree( RespKeyName );
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}
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RegCloseKey( hKey );
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}
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MemFree( ModemKey );
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return TRUE;
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}
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DWORD
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DeviceInitialization(
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HWND hwnd
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)
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{
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DWORD rVal = 0;
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LONG Rslt;
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LINEINITIALIZEEXPARAMS LineInitializeExParams;
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LINEEXTENSIONID lineExtensionID;
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DWORD LineDevCapsSize;
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LPLINEDEVCAPS LineDevCaps = NULL;
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LPWSTR DeviceClassList;
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BOOL UnimodemDevice;
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DWORD i;
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LPLINETRANSLATECAPS LineTransCaps = NULL;
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LPLINELOCATIONENTRY LineLocation = NULL;
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BOOL NoClass1 = FALSE;
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LPWSTR p;
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DWORD LocalTapiApiVersion;
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LPSTR ModemKey = NULL;
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DebugPrint(( TEXT("faxocm DeviceInitialization") ));
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//
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// initialize the adaptive answer data
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//
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AdaptiveModems = InitializeAdaptiveAnswerList( SetupInitComponent.ComponentInfHandle );
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//
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// initialize tapi
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//
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LineInitializeExParams.dwTotalSize = sizeof(LINEINITIALIZEEXPARAMS);
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LineInitializeExParams.dwNeededSize = 0;
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LineInitializeExParams.dwUsedSize = 0;
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LineInitializeExParams.dwOptions = LINEINITIALIZEEXOPTION_USEEVENT;
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LineInitializeExParams.Handles.hEvent = NULL;
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LineInitializeExParams.dwCompletionKey = 0;
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LocalTapiApiVersion = TapiApiVersion = 0x00020000;
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Rslt = lineInitializeEx(
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&hLineApp,
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hInstance,
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NULL,
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L"Fax Setup",
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&TapiDevices,
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&LocalTapiApiVersion,
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&LineInitializeExParams
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineInitializeEx() failed, ec=0x%08x", Rslt ));
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hLineApp = NULL;
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goto exit;
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}
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if (TapiDevices == 0) {
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goto exit;
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}
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//
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// allocate the lineinfo structure
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//
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TapiEvent = LineInitializeExParams.Handles.hEvent;
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LineInfo = (PLINE_INFO) MemAlloc( TapiDevices * sizeof(LINE_INFO) );
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if (!LineInfo) {
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goto exit;
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}
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//
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// allocate the initial linedevcaps structure
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//
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LineDevCapsSize = sizeof(LINEDEVCAPS) + 4096;
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LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
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if (!LineDevCaps) {
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goto exit;
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}
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//
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// enumerate all of the tapi devices
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//
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i = 0;
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do {
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Rslt = lineNegotiateAPIVersion(
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hLineApp,
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i,
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0x00010003,
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TapiApiVersion,
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&LocalTapiApiVersion,
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&lineExtensionID
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineNegotiateAPIVersion() failed, ec=0x%08x", Rslt ));
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goto next_device;
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}
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ZeroMemory( LineDevCaps, LineDevCapsSize );
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LineDevCaps->dwTotalSize = LineDevCapsSize;
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Rslt = lineGetDevCaps(
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hLineApp,
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i,
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LocalTapiApiVersion,
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0,
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LineDevCaps
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineGetDevCaps() failed, ec=0x%08x", Rslt ));
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goto next_device;
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}
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if (LineDevCaps->dwNeededSize > LineDevCaps->dwTotalSize) {
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//
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// re-allocate the linedevcaps structure
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//
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LineDevCapsSize = LineDevCaps->dwNeededSize;
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MemFree( LineDevCaps );
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LineDevCaps = (LPLINEDEVCAPS) MemAlloc( LineDevCapsSize );
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if (!LineDevCaps) {
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rVal = ERROR_NOT_ENOUGH_MEMORY;
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goto exit;
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}
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Rslt = lineGetDevCaps(
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hLineApp,
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i,
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TapiApiVersion,
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0,
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LineDevCaps
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);
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if (Rslt != 0) {
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DebugPrint(( L"lineGetDevCaps() failed, ec=0x%08x", Rslt ));
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goto next_device;
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}
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}
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if (TapiApiVersion != 0x00020000) {
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DebugPrint((
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L"TAPI device is incompatible with the FAX server: %s",
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(LPWSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset)
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));
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goto next_device;
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}
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//
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// save the line id
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//
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LineInfo[FaxDevices].PermanentLineID = LineDevCaps->dwPermanentLineID;
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LineInfo[FaxDevices].DeviceName = StringDup( (LPWSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwLineNameOffset) );
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LineInfo[FaxDevices].ProviderName = StringDup( (LPWSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwProviderInfoOffset) );
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LineInfo[FaxDevices].Rings = (LineDevCaps->dwLineStates & LINEDEVSTATE_RINGING) ? WizData.Rings : 0;
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LineInfo[FaxDevices].Flags = FPF_RECEIVE | FPF_SEND;
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//
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// filter out the commas because the spooler hates them
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//
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p = LineInfo[FaxDevices].DeviceName;
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while( p ) {
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p = wcschr( p, L',' );
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if (p) {
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*p = L'_';
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}
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}
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//
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// check for a modem device
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//
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UnimodemDevice = FALSE;
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if (LineDevCaps->dwDeviceClassesSize && LineDevCaps->dwDeviceClassesOffset) {
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DeviceClassList = (LPWSTR)((LPBYTE) LineDevCaps + LineDevCaps->dwDeviceClassesOffset);
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while (*DeviceClassList) {
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if (wcscmp(DeviceClassList,L"comm/datamodem") == 0) {
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UnimodemDevice = TRUE;
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break;
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}
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DeviceClassList += (wcslen(DeviceClassList) + 1);
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}
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}
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if ((!(LineDevCaps->dwBearerModes & LINEBEARERMODE_VOICE)) ||
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(!(LineDevCaps->dwBearerModes & LINEBEARERMODE_PASSTHROUGH))) {
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//
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// unacceptable modem device type
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//
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UnimodemDevice = FALSE;
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}
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if (UnimodemDevice) {
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if (ValidateModem( &LineInfo[FaxDevices], LineDevCaps )) {
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FaxDevices += 1;
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}
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} else {
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if (LineDevCaps->dwMediaModes & LINEMEDIAMODE_G3FAX) {
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FaxDevices += 1;
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}
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}
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next_device:
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i += 1;
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} while ( i < TapiDevices );
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if (FaxDevices == 0) {
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goto exit;
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}
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//
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// determine the current location information
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//
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Rslt = MyLineGetTransCaps( &LineTransCaps );
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if (Rslt != ERROR_SUCCESS) {
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if (Rslt == LINEERR_INIFILECORRUPT) {
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//
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// need to set the location information
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//
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if (!NtGuiMode) {
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Rslt = lineTranslateDialog( hLineApp, 0, LocalTapiApiVersion, hwnd, NULL );
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if (Rslt == ERROR_SUCCESS) {
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Rslt = MyLineGetTransCaps( &LineTransCaps );
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}
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}
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}
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if (Rslt != ERROR_SUCCESS) {
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DebugPrint(( L"MyLineGetTransCaps() failed, ec=0x%08x", Rslt ));
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goto exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
LineLocation = (LPLINELOCATIONENTRY) ((LPBYTE)LineTransCaps + LineTransCaps->dwLocationListOffset);
|
||
|
|
for (i=0; i<LineTransCaps->dwNumLocations; i++) {
|
||
|
|
if (LineTransCaps->dwCurrentLocationID == LineLocation[i].dwPermanentLocationID) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i == LineTransCaps->dwNumLocations) {
|
||
|
|
DebugPrint(( L"Could not determine the current location information" ));
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
CurrentLocationId = LineTransCaps->dwCurrentLocationID;
|
||
|
|
CurrentCountryId = LineLocation->dwCountryID;
|
||
|
|
CurrentAreaCode = StringDup( (LPWSTR) ((LPBYTE)LineTransCaps + LineLocation->dwCityCodeOffset) );
|
||
|
|
|
||
|
|
exit:
|
||
|
|
|
||
|
|
MemFree( LineDevCaps );
|
||
|
|
MemFree( LineTransCaps );
|
||
|
|
|
||
|
|
if (hLineApp) {
|
||
|
|
lineShutdown( hLineApp );
|
||
|
|
hLineApp = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
DebugPrint(( TEXT("faxocm - found %d fax devices"), FaxDevices ));
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|