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582 lines
14 KiB
582 lines
14 KiB
//---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995
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//
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// File: grputils.cxx
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//
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// Contents: NetWare compatible GroupCollection Enumeration Code
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//
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// History: 22-Mar-96 t-ptam (PatrickT) migrated from KrishnaG for NetWare
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//----------------------------------------------------------------------------
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#include "nwcompat.hxx"
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#pragma hdrstop
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COMPUTER_GROUP_MEMBER CompMember;
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//
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// This assumes that addr is an LPBYTE type.
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//
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#define WORD_ALIGN_DOWN(addr) \
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addr = ((LPBYTE)((DWORD)addr & ~1))
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DWORD ComputerGrpMemberStrings[]=
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{
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FIELD_OFFSET(COMPUTER_GROUP_MEMBER, Parent),
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FIELD_OFFSET(COMPUTER_GROUP_MEMBER, Computer),
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FIELD_OFFSET(COMPUTER_GROUP_MEMBER, Name),
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0xFFFFFFFF
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};
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DECLARE_INFOLEVEL(GrpUt)
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DECLARE_DEBUG(GrpUt)
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#define GrpUtDebugOut(x) GrpUtInlineDebugOut x
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//----------------------------------------------------------------------------
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//
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// Function: NWCOMPATComputerGroupOpen
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//
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// Synopsis: This function opens a handle to a INI_COMP_GROUP structure.
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//
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//----------------------------------------------------------------------------
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BOOL
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NWCOMPATComputerGroupOpen(
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LPWSTR szComputerName,
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LPWSTR szGroupName,
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CCredentials &Credentials,
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PHANDLE phGroup
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)
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{
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WCHAR szTempBuffer[MAX_PATH];
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PINI_COMP_GROUP pIniCompGrp;
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HRESULT hr = S_OK;
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if (!phGroup) {
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return(FALSE);
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}
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pIniCompGrp = (PINI_COMP_GROUP)AllocADsMem(
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sizeof(INI_COMP_GROUP)
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);
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if (!pIniCompGrp) {
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return(FALSE);
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}
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//
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// Fill structure's fields.
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//
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if (!(pIniCompGrp->szComputerName = AllocADsStr(szComputerName))){
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goto error;
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}
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if (!(pIniCompGrp->szGroupName = AllocADsStr(szGroupName))){
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goto error;
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}
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hr = NWApiGetBinderyHandle(
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&pIniCompGrp->_hConn,
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szComputerName,
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Credentials
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);
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BAIL_ON_FAILURE(hr);
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//
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// Return
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//
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*phGroup = (HANDLE)pIniCompGrp;
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return(TRUE);
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error:
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if (pIniCompGrp) {
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FreeIniCompGroup(pIniCompGrp);
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}
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*phGroup = NULL;
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return(FALSE);
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}
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//----------------------------------------------------------------------------
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//
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// Function: NWCOMPATComputerGroupEnum
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//
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// Synopsis: This function returns a buffer which contains all the binding
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// informations for the requested number of objects without any
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// references.
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// It returns TRUE iff dwReturned = dwRequested.
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//
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//----------------------------------------------------------------------------
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BOOL
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NWCOMPATComputerGroupEnum(
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HANDLE hGroup,
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DWORD dwRequested,
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LPBYTE * ppBuffer,
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PDWORD pdwReturned
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)
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{
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LPCOMPUTER_GROUP_MEMBER * ppGroupMembers = NULL;
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DWORD i = 0;
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BOOL dwRet = FALSE;
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DWORD dwReturned = 0;
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DWORD dwSize = 0;
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LPCOMPUTER_GROUP_MEMBER pBuffer = NULL;
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LPBYTE pEnd = NULL;
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//
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// Allocate buffer for the number of requested members.
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//
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ppGroupMembers = (LPCOMPUTER_GROUP_MEMBER *)AllocADsMem(
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sizeof(LPCOMPUTER_GROUP_MEMBER)* dwRequested
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);
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if (!ppGroupMembers) {
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return(FALSE);
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}
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//
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// Fill in ppGroupMembers one by one.
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//
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for (i = 0; i < dwRequested; i++) {
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dwRet = NWCOMPATComputerGroupGetObject(
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hGroup,
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&ppGroupMembers[i]
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);
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if (!dwRet) {
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break;
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}
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}
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dwReturned = i;
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if (!dwRet) {
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goto error;
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}
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else {
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//
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// Determine actual size of ppGroupMembers[], ie. since each string in
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// COMPUTER_GROUP_MEMBER have a different length, a buffer that is going
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// to contain all the data without any references is unknown.
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//
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dwRet = ComputeComputerGroupDataSize(
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ppGroupMembers,
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dwReturned,
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&dwSize
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);
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pBuffer = (LPCOMPUTER_GROUP_MEMBER)AllocADsMem(
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dwSize
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);
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if (!pBuffer) {
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goto error;
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}
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pEnd = (LPBYTE)((LPBYTE)(pBuffer) + dwSize);
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//
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// Put data into pBuffer, starting from the end.
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//
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for (i = 0; i < dwReturned; i++) {
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pEnd = CopyIniCompGroupToCompGroup(
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ppGroupMembers[i],
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(LPBYTE)(pBuffer + i),
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pEnd
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);
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}
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//
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// Clean up.
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//
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for (i = 0; i < dwReturned; i++ ) {
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FreeIntCompGroup(*(ppGroupMembers + i));
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}
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//
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// Return values.
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//
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*ppBuffer = (LPBYTE)pBuffer;
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*pdwReturned = dwReturned;
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}
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FreeADsMem(ppGroupMembers);
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if (dwReturned == dwRequested){
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return(TRUE);
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}else {
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return(FALSE);
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}
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error:
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for (i = 0; i < dwReturned; i++ ) {
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FreeIntCompGroup(*(ppGroupMembers + i));
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}
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FreeADsMem(ppGroupMembers);
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return(FALSE);
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}
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//----------------------------------------------------------------------------
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//
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// Function: NWCOMPATComputerGroupGetObject
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//
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// Synopsis: This function returns binding information of a user (group member)
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// object one by one. In its first call, it builds a buffer that
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// contains all the UserID of the group members. Then, and in
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// subsequent calls, this UserID is translated into a user name.
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//
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//----------------------------------------------------------------------------
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BOOL
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NWCOMPATComputerGroupGetObject(
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HANDLE hGroup,
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LPCOMPUTER_GROUP_MEMBER * ppGroupMember
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)
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{
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BOOL dwRet = FALSE;
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DWORD dwUserID = 0;
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HRESULT hr = S_OK;
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PINI_COMP_GROUP pIniCompGrp = (PINI_COMP_GROUP)hGroup;
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//
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// Fill buffer with User ID. NetWare returns all UserID in one call.
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//
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if (!pIniCompGrp->_pBuffer) {
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pIniCompGrp->_dwCurrentObject = 0;
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hr = NWApiGroupGetMembers(
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pIniCompGrp->_hConn,
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pIniCompGrp->szGroupName,
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&(pIniCompGrp->_pBuffer)
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);
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BAIL_ON_FAILURE(hr);
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}
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//
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// Build one group member.
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//
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dwUserID = *((LPDWORD)pIniCompGrp->_pBuffer + pIniCompGrp->_dwCurrentObject);
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if (dwUserID != 0x0000) {
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dwRet = BuildComputerGroupMember(
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hGroup,
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dwUserID,
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ppGroupMember
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);
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if (!dwRet) {
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goto error;
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}
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pIniCompGrp->_dwCurrentObject++;
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return(TRUE);
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}
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error:
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return(FALSE);
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}
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//----------------------------------------------------------------------------
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//
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// Function: NWCOMPATComputerGroupClose
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//
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// Synopsis: Wrapper of FreeIniCompGroup.
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//
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//----------------------------------------------------------------------------
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BOOL
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NWCOMPATComputerGroupClose(
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HANDLE hGroup
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)
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{
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PINI_COMP_GROUP pIniCompGrp = (PINI_COMP_GROUP)hGroup;
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if (pIniCompGrp) {
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FreeIniCompGroup(pIniCompGrp);
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}
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return(TRUE);
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}
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//----------------------------------------------------------------------------
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//
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// Function: FreeIniCompGroup
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//
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// Synopsis: Free an INI_COMP_GROUP structure.
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//
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//----------------------------------------------------------------------------
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void
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FreeIniCompGroup(
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PINI_COMP_GROUP pIniCompGrp
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)
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{
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HRESULT hr = S_OK;
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if (pIniCompGrp) {
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if (pIniCompGrp->szComputerName) {
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FreeADsStr(pIniCompGrp->szComputerName);
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}
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if (pIniCompGrp->szGroupName) {
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FreeADsStr(pIniCompGrp->szGroupName);
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}
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if (pIniCompGrp->_pBuffer) {
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FreeADsMem(pIniCompGrp->_pBuffer);
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}
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if (pIniCompGrp->_hConn) {
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hr = NWApiReleaseBinderyHandle(pIniCompGrp->_hConn);
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}
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FreeADsMem(pIniCompGrp);
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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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// Function: FreeIntCompGroup
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//
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// Synopsis: Free a COMPUTER_GROUP_MEMBER structure.
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//
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//----------------------------------------------------------------------------
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void
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FreeIntCompGroup(
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LPCOMPUTER_GROUP_MEMBER pCompGroupMember
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)
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{
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if (pCompGroupMember) {
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if (pCompGroupMember->Parent) {
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FreeADsStr(pCompGroupMember->Parent);
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}
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if (pCompGroupMember->Computer) {
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FreeADsStr(pCompGroupMember->Computer);
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}
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if (pCompGroupMember->Name) {
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FreeADsStr(pCompGroupMember->Name);
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}
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FreeADsMem(pCompGroupMember);
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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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// Function: ComputeComputerGroupDataSize
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//
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// Synopsis: Calculate the size of a buffer that is going to store the data in
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// ppGroupMembers without any references.
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//
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//----------------------------------------------------------------------------
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BOOL
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ComputeComputerGroupDataSize(
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LPCOMPUTER_GROUP_MEMBER * ppGroupMembers,
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DWORD dwReturned,
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PDWORD pdwSize
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)
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{
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DWORD i = 0;
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DWORD cb = 0;
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LPCOMPUTER_GROUP_MEMBER pMember = NULL;
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for (i = 0; i < dwReturned; i++) {
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pMember = *(ppGroupMembers + i);
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cb += sizeof(COMPUTER_GROUP_MEMBER);
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if (pMember->Parent) {
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cb += wcslen(pMember->Parent)*sizeof(WCHAR) + sizeof(WCHAR);
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}
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if (pMember->Computer) {
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cb += wcslen(pMember->Computer)*sizeof(WCHAR) + sizeof(WCHAR);
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}
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if (pMember->Name) {
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cb += wcslen(pMember->Name)*sizeof(WCHAR) + sizeof(WCHAR);
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}
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}
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*pdwSize = cb;
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return(TRUE);
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}
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//------------------------------------------------------------------------------
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//
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// Function: CopyIniCompGroupToCompGroup
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//
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// Synopsis: Pack referenced data (string) into a buffer without any reference.
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//
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//------------------------------------------------------------------------------
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LPBYTE
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CopyIniCompGroupToCompGroup(
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LPCOMPUTER_GROUP_MEMBER pIntCompGrp,
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LPBYTE pExtCompGrp,
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LPBYTE pEnd
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)
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{
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LPWSTR SourceStrings[sizeof(COMPUTER_GROUP_MEMBER)/sizeof(LPWSTR)];
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LPWSTR *pSourceStrings = SourceStrings;
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LPCOMPUTER_GROUP_MEMBER pCompGrpMember = (LPCOMPUTER_GROUP_MEMBER)pExtCompGrp;
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memset(SourceStrings, 0, sizeof(COMPUTER_GROUP_MEMBER));
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*pSourceStrings++ = pIntCompGrp->Parent;
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*pSourceStrings++ = pIntCompGrp->Computer;
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*pSourceStrings++ = pIntCompGrp->Name;
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pEnd = PackStrings(
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SourceStrings,
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pExtCompGrp,
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ComputerGrpMemberStrings,
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pEnd
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);
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pCompGrpMember->Type = pIntCompGrp->Type;
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return pEnd;
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}
|
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|
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//----------------------------------------------------------------------------
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//
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// Function: BuildComputerGroupMember
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//
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// Synopsis: Put binding information of a group member into ppGroupMember.
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//
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//----------------------------------------------------------------------------
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BOOL
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BuildComputerGroupMember(
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HANDLE hGroup,
|
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DWORD dwUserID,
|
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LPCOMPUTER_GROUP_MEMBER * ppGroupMember
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)
|
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{
|
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DWORD dwTempUserID = dwUserID;
|
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HRESULT hr = S_OK;
|
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LPCOMPUTER_GROUP_MEMBER pGroupMember = NULL;
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LPINI_COMP_GROUP pGroup = (LPINI_COMP_GROUP)hGroup;
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WCHAR szADsParent[MAX_PATH];
|
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|
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//
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// Allocate one COMPUTER_GROUP_MEMBER.
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//
|
|
|
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pGroupMember = (LPCOMPUTER_GROUP_MEMBER)AllocADsMem(
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sizeof(COMPUTER_GROUP_MEMBER)
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);
|
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if (!pGroupMember) {
|
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return(FALSE);
|
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}
|
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|
|
//
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// Fill structure's fields.
|
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//
|
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|
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pGroupMember->Parent = NULL;
|
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pGroupMember->Computer = NULL;
|
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|
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pGroupMember->Type = NWCOMPAT_USER_ID;
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|
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wsprintf(
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szADsParent,
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L"%s://%s",
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szProviderName,
|
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pGroup->szComputerName
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);
|
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pGroupMember->Parent = AllocADsStr(szADsParent);
|
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if (!pGroupMember->Parent) {
|
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hr = E_OUTOFMEMORY;
|
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BAIL_ON_FAILURE(hr);
|
|
}
|
|
|
|
pGroupMember->Computer = AllocADsStr(pGroup->szComputerName);
|
|
if (!pGroupMember->Computer) {
|
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hr = E_OUTOFMEMORY;
|
|
BAIL_ON_FAILURE(hr);
|
|
}
|
|
|
|
hr = NWApiGetObjectName(
|
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pGroup->_hConn,
|
|
dwTempUserID,
|
|
&pGroupMember->Name
|
|
);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
//
|
|
// Return.
|
|
//
|
|
|
|
*ppGroupMember = pGroupMember;
|
|
return(TRUE);
|
|
|
|
error:
|
|
if (pGroupMember) {
|
|
|
|
if (pGroupMember->Parent)
|
|
FreeADsStr(pGroupMember->Parent);
|
|
|
|
if (pGroupMember->Computer)
|
|
FreeADsStr(pGroupMember->Computer);
|
|
|
|
FreeADsMem(pGroupMember);
|
|
}
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: PackStrings
|
|
//
|
|
// Synopsis:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
LPBYTE
|
|
PackStrings(
|
|
LPWSTR *pSource,
|
|
LPBYTE pDest,
|
|
DWORD *DestOffsets,
|
|
LPBYTE pEnd
|
|
)
|
|
{
|
|
DWORD cbStr;
|
|
WORD_ALIGN_DOWN(pEnd);
|
|
|
|
while (*DestOffsets != -1) {
|
|
if (*pSource) {
|
|
cbStr = wcslen(*pSource)*sizeof(WCHAR) + sizeof(WCHAR);
|
|
pEnd -= cbStr;
|
|
CopyMemory( pEnd, *pSource, cbStr);
|
|
*(LPWSTR *)(pDest+*DestOffsets) = (LPWSTR)pEnd;
|
|
} else {
|
|
*(LPWSTR *)(pDest+*DestOffsets)=0;
|
|
}
|
|
pSource++;
|
|
DestOffsets++;
|
|
}
|
|
return pEnd;
|
|
}
|