Moving micasa 1.5 trunk to Novell forge.
This commit is contained in:
Cameron (Kamran) Mashayekhi
498
LoginCapture/windows/lextend.cpp
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498
LoginCapture/windows/lextend.cpp
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@@ -0,0 +1,498 @@
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/***********************************************************************
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* File: lcredmgr.cpp
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* Author: Todd Throne (tthrone@novell.com)
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*
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* Abstract: Stores the credentials gathered during traditional
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* client login in CASA.
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*
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* Copyright (C) 2005 Novell, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Following are registry entries, which must be created in order
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* to run this login extension;
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*
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* [HKEY_LOCAL_MACHINE\SOFTWARE\Novell\Graphical Login\NWLGE\LCredMgr]
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* "LoginExtName"="lcredmgr.dll"
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* "LoginExtDesc"="CASA Login Extension"
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* "LoginExtType"=DWORD:00008002 // means MASTER + AUTHENTICATE
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*
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***********************************************************************/
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//===[ Header files specific to this module ]==============================
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#include "lcredmgr.h"
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#define N_PLAT_MSW4
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#define N_ARCH_32
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#include <nwalias.h>
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#include <nwlgext.h>
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#include <nwdsdc.h>
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#include <nwdsdefs.h>
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#include <nwdsdsa.h>
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#include <nwerror.h>
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//===[ External data ]==============================
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extern PSETCREDENTIAL pCASASetCredential;
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//===[ External prototypes ]==============================
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//===[ Manifest constants ]==============================
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//===[ Type definitions ]==============================
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//===[ Function Prototypes ]==============================
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N_TYPEDEF_CALLBACK(NWDSCCODE,pNWDSCreateContext)(NWDSContextHandle N_FAR *);
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N_TYPEDEF_CALLBACK(NWDSCCODE,pNWDSSetContext)(NWDSContextHandle,nint,nptr);
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N_TYPEDEF_CALLBACK(NWDSCCODE,pNWDSWhoAmI)(NWDSContextHandle,pnstr8);
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N_TYPEDEF_CALLBACK(NWDSCCODE,pNWDSFreeContext)(NWDSContextHandle);
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N_TYPEDEF_CALLBACK(NWCCODE,pNWLoginExtInit)(pNWLGAccessRec*,pNWVersion,pNWVersion,nptr,nptr);
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N_TYPEDEF_CALLBACK(NWCCODE,pNWLGGetLoginData)(nint,nint,nptr,nint);
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//===[ Global Variables ]==============================
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NWLGAccessRec g_NextAccess = {0, 0, 0}, *g_pAccess = 0;
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BOOL g_passwordChanged = FALSE;
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//++=======================================================================
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int
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SetCredentialsInWallet(
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pnstr pTree,
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pnstr pUser,
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nint passwordLen,
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pnstr pPassword
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)
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//=======================================================================--
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{
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int ccode;
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SSCS_BASIC_CREDENTIAL basicCredential;
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SSCS_SECRET_ID_T traditionalClient;
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SSCS_SECRET_ID_T tree;
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BOOLEAN bLibraryLoaded;
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#ifdef _DEBUG
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DebugPrint("Tree name [%s]\n", pTree);
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DebugPrint("User name [%s]\n", pUser);
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DebugPrint("Password [%s]\n", pPassword);
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#endif
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bLibraryLoaded = InitCASALibrary();
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if (bLibraryLoaded == FALSE)
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{
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SetLastError(NO_ERROR);
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return NO_ERROR;
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}
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strcpy((char *)&traditionalClient.id, "Traditional_Client");
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traditionalClient.len = (long)strlen((char *)&traditionalClient.id) + 1;
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strcpy((char *)&tree.id, pTree);
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strupr((char *)&tree.id);
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tree.len = (long)strlen((char *)&tree.id) + 1;
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basicCredential.unFlags = USERNAME_TYPE_NDS_FDN_F;
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if (!pUser)
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{
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//
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// Logout trying to clear the credentials
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//
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basicCredential.unLen = 0;
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basicCredential.pwordLen = 0;
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ccode = (*pCASASetCredential)(
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0,
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&traditionalClient,
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&tree,
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SSCS_CRED_TYPE_BASIC_F,
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&basicCredential,
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NULL);
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#ifdef _DEBUG
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DebugPrint("miCASASetCredential returned 0x%x\n", ccode);
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#endif
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}
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else
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{
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basicCredential.pwordLen = passwordLen;
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if (passwordLen)
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{
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strcpy((char *)&basicCredential.password, pPassword);
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basicCredential.pwordLen++;
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}
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strcpy((char *)&basicCredential.username, pUser);
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basicCredential.unLen = (unsigned long)strlen((char *)&basicCredential.username) + 1;
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ccode = (*pCASASetCredential)(
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0,
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&traditionalClient,
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&tree,
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SSCS_CRED_TYPE_BASIC_F,
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&basicCredential,
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NULL);
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#ifdef _DEBUG
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DebugPrint("miCASASetCredential returned 0x%x\n", ccode);
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#endif
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}
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return (ccode);
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}
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//++=======================================================================
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int
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GetUserFDN(
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pnstr pTree,
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pnstr pUser
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)
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//=======================================================================--
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{
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int ccode;
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HMODULE hInst;
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NWDSContextHandle hContext;
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pNWDSCreateContext pfCreateContext;
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pNWDSSetContext pfSetContext;
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pNWDSWhoAmI pfWhoAmI;
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pNWDSFreeContext pfFreeContext;
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hInst = GetModuleHandle(L"NETWIN32.DLL");
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pfCreateContext = (pNWDSCreateContext)GetProcAddress(hInst,"NWDSCreateContextHandle");
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pfSetContext = (pNWDSSetContext)GetProcAddress(hInst,"NWDSSetContext");
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pfWhoAmI = (pNWDSWhoAmI)GetProcAddress(hInst,"NWDSWhoAmI");
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pfFreeContext = (pNWDSFreeContext)GetProcAddress(hInst,"NWDSFreeContext");
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if (!pfCreateContext
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|| !pfSetContext
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|| !pfWhoAmI
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|| !pfFreeContext)
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{
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return -1;
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}
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ccode = pfCreateContext(&hContext);
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if (ccode == SUCCESS)
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{
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pfSetContext(hContext, DCK_TREE_NAME, pTree);
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pfSetContext(hContext, DCK_NAME_CONTEXT, "[root]");
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ccode = pfWhoAmI(hContext, pUser);
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#ifdef _DEBUG
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DebugPrint("NWDSWhoAmI returned 0x%x\n", ccode);
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#endif
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pfFreeContext(hContext);
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}
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return ccode;
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}
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//++=======================================================================
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N_GLOBAL_CALLBACK(NWCCODE)
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OurEventHandler(
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pNWLGAccessRec pAccess,
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nint event,
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nint eventType,
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nint eventSubType,
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nparam parm1,
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nparam parm2,
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nflag32 flags
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)
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//=======================================================================--
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{
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pNWLGGetLoginData pGetLoginData;
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pNWLGStartInfo data;
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HMODULE hInst;
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NWCCODE rc, retCode = NWLG_EVT_OK;
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char szUserFDN[MAX_DN_BYTES];
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switch (event)
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{
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case NWLG_PRE_SCRIPTS:
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#ifdef _DEBUG
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DebugPrint("EventHandler called with NWLG_PRE_SCRIPTS.\n");
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#endif
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case NWLG_SYNC_PWD_END:
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#ifdef _DEBUG
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DebugPrint("EventHandler called with NWLG_SYNC_PWD_END.\n");
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#endif
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hInst = GetModuleHandle(L"LGNWNT32.DLL");
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pGetLoginData = (pNWLGGetLoginData)GetProcAddress(hInst,"NWLGGetLoginData");
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if (pGetLoginData)
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{
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rc = pGetLoginData(NWLG_SD_START_INFO, 0, &data, sizeof(&data));
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if (rc == NWLG_OK)
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{
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if (data
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&& data->password
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&& data->restartMode != 2)
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{
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if (g_passwordChanged == FALSE)
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{
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rc = GetUserFDN(data->tree, szUserFDN);
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if (rc == SUCCESS)
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{
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#ifdef _DEBUG
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DebugPrint("GetUserFDN returned user [%s]\n", szUserFDN);
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#endif
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SetCredentialsInWallet(
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data->tree,
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szUserFDN,
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data->passwordLen,
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data->password);
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}
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("Credentials not set since password changed flag = TRUE.\n");
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("No NWLG_SD_START_INFO returned from NWLGGetLoginData or no password data or invalid restartMode.\n");
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("GetLoginData for NWLG_SD_START_INFO failed. 0x%X\n", rc);
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("GetProcAddress for NWLGGetLoginData failed, module handle 0x%x, error %d\n", hInst, GetLastError());
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}
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#endif
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break;
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case NWLG_TERMINATE:
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#ifdef _DEBUG
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DebugPrint("EventHandler called with NWLG_TERMINATE.\n");
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#endif
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// We have to unchain here !
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pAccess->pEventHandler = g_NextAccess.pEventHandler;
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}
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// It is time to chain to the default handler, which will take care of
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// all events (because our DLL is a master extension, not a secondary,
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// and does not handle events as expected from master extension).
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// The default handler was copied when our DLL was initialized.
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if (g_NextAccess.pEventHandler)
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{
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retCode = (*g_NextAccess.pEventHandler)
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(pAccess,event,eventType,eventSubType,parm1,parm2,flags);
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}
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return (retCode);
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}
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//++=======================================================================
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N_GLOBAL_CALLBACK(NWCCODE)
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OurIOHandler(
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pNWLGAccessRec pAccess,
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nint ioEvent,
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nparam param1,
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nparam param2,
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nflag32 flags
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)
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//=======================================================================--
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{
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pNWLGGetLoginData pGetLoginData;
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pNWLGStartInfo data;
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HINSTANCE hInst;
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NWCCODE rc, rcode = NWLG_OK;
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char szUserFDN[MAX_DN_BYTES];
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switch (ioEvent)
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{
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#ifdef _DEBUG
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DebugPrint("IOHandler called.\n");
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#endif
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case NWLG_IO_CHANGE_PWD:
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#ifdef _DEBUG
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DebugPrint("IOHandler called with NWLG_IO_CHANGE_PWD.\n");
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#endif
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if (g_NextAccess.pIOHandler)
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{
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rcode = g_NextAccess.pIOHandler(pAccess, ioEvent, param1, param2, flags);
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if (NWLG_CANCEL != pAccess->status)
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{
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hInst = GetModuleHandle(L"LGNWNT32.DLL");
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pGetLoginData = (pNWLGGetLoginData)GetProcAddress(hInst,"NWLGGetLoginData");
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if (pGetLoginData)
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{
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rc = pGetLoginData(NWLG_SD_START_INFO, 0, &data, sizeof(&data));
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if (rc == NWLG_OK)
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{
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if (data
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&& param1
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&& ((pNWLGUserID)param1)->password)
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{
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if (data->restartMode != 2)
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{
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g_passwordChanged = TRUE;
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rc = GetUserFDN(data->tree, szUserFDN);
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if (rc == SUCCESS)
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{
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#ifdef _DEBUG
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DebugPrint("GetUserFDN returned user [%s]\n", szUserFDN);
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#endif
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SetCredentialsInWallet(
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data->tree,
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szUserFDN,
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(unsigned long)strlen(((pNWLGUserID)param1)->password),
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((pNWLGUserID)param1)->password);
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}
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("Invalid restartMode.\n");
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("No NWLG_SD_START_INFO returned from NWLGGetLoginData or no password data.\n");
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("GetLoginData for NWLG_SD_START_INFO failed. 0x%X\n", rc);
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("GetProcAddress for NWLGGetLoginData failed, module handle 0x%x, error %d\n", hInst, GetLastError());
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("Password change cancelled by previous IOHandler!\n");
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}
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#endif
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}
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#ifdef _DEBUG
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else
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{
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DebugPrint("Previous IOHandler not presend?!\n");
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}
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#endif
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break;
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default:
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if (g_NextAccess.pIOHandler)
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{
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rcode = g_NextAccess.pIOHandler(pAccess, ioEvent, param1, param2, flags);
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}
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}
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return (rcode);
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}
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//++=======================================================================
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void
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InitLoginExtension(
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)
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//=======================================================================--
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{
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NWCCODE ccode;
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HINSTANCE hInst;
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NWVersion versionSupported, runtimeVersion;
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pNWLoginExtInit pLoginExtInit;
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hInst = GetModuleHandle(L"LGNWNT32.DLL");
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if (hInst)
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{
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pLoginExtInit = (pNWLoginExtInit)GetProcAddress(hInst,"NWLoginExtInit");
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if (pLoginExtInit)
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{
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versionSupported.major = 1;
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versionSupported.minor = 0;
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versionSupported.revision = 0;
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ccode = pLoginExtInit(
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&g_pAccess,
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&versionSupported,
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&runtimeVersion,
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NULL,
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NULL);
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if (ccode == NWLG_OK)
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{
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// Save off the old pointers
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g_NextAccess = *g_pAccess;
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if (g_pAccess)
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{
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g_pAccess->pIOHandler = OurIOHandler;
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g_pAccess->pEventHandler = (pEvtHndlr)OurEventHandler;
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}
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}
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}
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}
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return;
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}
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//=========================================================================
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//=========================================================================
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