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331 lines
9.9 KiB
331 lines
9.9 KiB
/*++
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Copyright (c) 1991-1993 Microsoft Corporation
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Module Name:
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ConfOpen.c
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Abstract:
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This module contains:
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NetpOpenConfigData
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NetpOpenConfigDataEx
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Author:
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John Rogers (JohnRo) 02-Dec-1991
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Environment:
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Portable to any flat, 32-bit environment. (Uses Win32 typedefs.)
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Requires ANSI C extensions: slash-slash comments, long external names.
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Revision History:
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02-Dec-1991 JohnRo
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Created this routine, to prepare for revised config handlers.
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(Actually, I swiped some of this code from RitaW.)
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06-Jan-1992 JohnRo
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Added support for FAKE_PER_PROCESS_RW_CONFIG handling.
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09-Jan-1992 JohnRo
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Try workaround for lib/linker problem with NetpIsRemote().
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22-Mar-1992 JohnRo
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Added support for using the real Win32 registry.
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Added debug code to print the fake array.
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Fixed a UNICODE bug which PC-LINT caught.
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Fixed double _close of RTL config file.
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Fixed memory _access error in setting fake end of array.
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Use DBGSTATIC where applicable.
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05-May-1992 JohnRo
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Reflect movement of keys to under System\CurrentControlSet\Services.
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08-May-1992 JohnRo
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Use <prefix.h> equates.
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21-May-1992 JohnRo
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RAID 9826: Match revised winreg error codes.
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08-Jul-1992 JohnRo
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RAID 10503: srv mgr: repl dialog doesn't come up.
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Added more debug output to track down bad error code during logoff.
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23-Jul-1992 JohnRo
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RAID 2274: repl svc should impersonate caller.
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22-Sep-1992 JohnRo
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Avoid GP fault printing first part of winreg handle.
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28-Oct-1992 JohnRo
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RAID 10136: NetConfig APIs don't work to remote NT server.
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12-Apr-1993 JohnRo
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RAID 5483: server manager: wrong path given in repl dialog.
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--*/
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// These must be included first:
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#include <nt.h> // NT definitions
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#include <ntrtl.h> // NT Rtl structures
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#include <nturtl.h> // NT config Rtl routines
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#include <windows.h> // Needed by <configp.h> and <winreg.h>
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#include <lmcons.h> // LAN Manager common definitions
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#include <netdebug.h> // (Needed by config.h)
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// These may be included in any order:
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#include <config.h> // My prototype, LPNET_CONFIG_HANDLE.
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#include <configp.h> // NET_CONFIG_HANDLE, etc.
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#include <debuglib.h> // IF_DEBUG().
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#include <icanon.h> // NetpIsRemote(), etc.
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#include <lmerr.h> // LAN Manager network error definitions
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#include <netlib.h> // NetpMemoryAllocate(), etc.
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#include <netlibnt.h> // NetpNtStatusToApiStatus
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#include <prefix.h> // PREFIX_ equates.
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#include <tstring.h> // NetpAlloc{type}From{type}, STRICMP(), etc.
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#define DEFAULT_AREA TEXT("Parameters")
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#define DEFAULT_ROOT_KEY HKEY_LOCAL_MACHINE
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DBGSTATIC NET_API_STATUS
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NetpSetupConfigSection (
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IN NET_CONFIG_HANDLE * ConfigHandle,
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IN LPTSTR SectionName
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);
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NET_API_STATUS
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NetpOpenConfigData(
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OUT LPNET_CONFIG_HANDLE *ConfigHandle,
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IN LPTSTR UncServerName OPTIONAL,
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IN LPTSTR SectionName,
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IN BOOL ReadOnly
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)
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/*++
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Routine Description:
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This function opens the system configuration file.
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Arguments:
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ConfigHandle - Points to a pointer which will be set to point to a
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net config handle for this section name. ConfigHandle will be set to
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NULL if any error occurs.
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SectionName - Points to the new (NT) section name to be opened.
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ReadOnly - Indicates whether all access through this net config handle is
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to be read only.
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Return Value:
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NET_API_STATUS - NO_ERROR or reason for failure.
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--*/
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{
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return ( NetpOpenConfigDataEx(
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ConfigHandle,
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UncServerName,
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SectionName, // Must be a SECT_NT_ name.
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DEFAULT_AREA,
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ReadOnly) );
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} // NetpOpenConfigData
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// NetpOpenConfigDataEx opens any area of a given service.
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NET_API_STATUS
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NetpOpenConfigDataEx(
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OUT LPNET_CONFIG_HANDLE *ConfigHandle,
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IN LPTSTR UncServerName OPTIONAL,
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IN LPTSTR SectionName, // Must be a SECT_NT_ name.
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IN LPTSTR AreaUnderSection OPTIONAL,
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IN BOOL ReadOnly
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)
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{
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NET_API_STATUS ApiStatus;
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DWORD LocalOrRemote; // Will be set to ISLOCAL or ISREMOTE.
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NET_CONFIG_HANDLE * MyHandle = NULL;
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LONG Error;
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HKEY RootKey = DEFAULT_ROOT_KEY;
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NetpAssert( ConfigHandle != NULL );
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*ConfigHandle = NULL; // Assume error until proven innocent.
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if ( (SectionName == NULL) || (*SectionName == TCHAR_EOS) ) {
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return (ERROR_INVALID_PARAMETER);
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}
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NetpAssert( (ReadOnly==TRUE) || (ReadOnly==FALSE) );
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if ( (UncServerName != NULL ) && ((*UncServerName) != TCHAR_EOS) ) {
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if( STRLEN(UncServerName) > MAX_PATH ) {
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return (ERROR_INVALID_PARAMETER);
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}
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//
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// Name was given. Canonicalize it and check if it's remote.
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//
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ApiStatus = NetpIsRemote(
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UncServerName, // input: uncanon name
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& LocalOrRemote, // output: local or remote flag
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NULL, // dont need output (canon name)
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0, // length of canon name
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0); // flags: normal
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IF_DEBUG(CONFIG) {
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NetpKdPrint(( PREFIX_NETLIB "NetpOpenConfigDataEx: canon status is "
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FORMAT_API_STATUS ", Lcl/rmt=" FORMAT_HEX_DWORD ".\n",
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ApiStatus, LocalOrRemote));
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}
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if (ApiStatus != NO_ERROR) {
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return (ApiStatus);
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}
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if (LocalOrRemote == ISREMOTE) {
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//
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// Explicit remote name given.
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//
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Error = RegConnectRegistry(
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UncServerName,
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DEFAULT_ROOT_KEY,
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& RootKey ); // result key
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if (Error != ERROR_SUCCESS) {
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NetpKdPrint(( PREFIX_NETLIB
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"NetpOpenConfigDataEx: RegConnectRegistry(machine '"
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FORMAT_LPTSTR "') ret error " FORMAT_LONG ".\n",
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UncServerName, Error ));
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return ((NET_API_STATUS) Error);
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}
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NetpAssert( RootKey != DEFAULT_ROOT_KEY );
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}
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}
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else {
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LocalOrRemote = ISLOCAL;
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}
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MyHandle = NetpMemoryAllocate( sizeof(NET_CONFIG_HANDLE) );
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if (MyHandle == NULL) {
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if (RootKey != DEFAULT_ROOT_KEY) {
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(VOID) RegCloseKey( RootKey );
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}
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return (ERROR_NOT_ENOUGH_MEMORY);
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}
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{
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LPTSTR AreaToUse = DEFAULT_AREA;
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DWORD DesiredAccess;
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DWORD SubKeySize;
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LPTSTR SubKeyString;
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HKEY SectionKey;
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#define LM_SUBKEY_UNDER_LOCAL_MACHINE \
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TEXT("System\\CurrentControlSet\\Services\\")
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if (AreaUnderSection != NULL) {
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if ((*AreaUnderSection) != TCHAR_EOS) {
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AreaToUse = AreaUnderSection;
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}
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}
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SubKeySize = ( STRLEN(LM_SUBKEY_UNDER_LOCAL_MACHINE)
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+ STRLEN(SectionName)
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+ 1 // backslash
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+ STRLEN(AreaToUse)
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+ 1 ) // trailing null
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* sizeof(TCHAR);
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SubKeyString = NetpMemoryAllocate( SubKeySize );
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if (SubKeyString == NULL) {
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if (MyHandle != NULL) {
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NetpMemoryFree( MyHandle );
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MyHandle = NULL;
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}
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if (RootKey != DEFAULT_ROOT_KEY) {
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RegCloseKey(RootKey);
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RootKey = DEFAULT_ROOT_KEY;
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}
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return (ERROR_NOT_ENOUGH_MEMORY);
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}
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(void) STRCPY( SubKeyString, LM_SUBKEY_UNDER_LOCAL_MACHINE );
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(void) STRCAT( SubKeyString, SectionName );
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(void) STRCAT( SubKeyString, TEXT("\\") );
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(void) STRCAT( SubKeyString, AreaToUse );
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if ( ReadOnly ) {
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DesiredAccess = KEY_READ;
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} else {
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DesiredAccess = KEY_READ | KEY_WRITE;
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// DesiredAccess = KEY_ALL_ACCESS; // Everything but SYNCHRONIZE.
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}
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Error = RegOpenKeyEx (
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RootKey,
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SubKeyString,
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REG_OPTION_NON_VOLATILE,
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DesiredAccess,
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& SectionKey );
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IF_DEBUG(CONFIG) {
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NetpKdPrint(( PREFIX_NETLIB
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"NetpOpenConfigDataEx: RegOpenKeyEx(subkey '"
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FORMAT_LPTSTR "') ret " FORMAT_LONG ", win reg handle at "
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FORMAT_LPVOID " is " FORMAT_LPVOID ".\n",
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SubKeyString, Error, (LPVOID) &(MyHandle->WinRegKey),
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SectionKey ));
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}
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if (Error == ERROR_FILE_NOT_FOUND) {
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ApiStatus = NERR_CfgCompNotFound;
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// Code below will free MyHandle, etc., based on ApiStatus.
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} else if (Error != ERROR_SUCCESS) {
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ApiStatus = (NET_API_STATUS) Error;
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// Code below will free MyHandle, etc., based on ApiStatus.
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} else {
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ApiStatus = NO_ERROR;
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}
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NetpMemoryFree( SubKeyString );
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if (RootKey != DEFAULT_ROOT_KEY) {
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(VOID) RegCloseKey( RootKey );
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}
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MyHandle->WinRegKey = SectionKey;
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}
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if (ApiStatus != NO_ERROR) {
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NetpMemoryFree( MyHandle );
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MyHandle = NULL;
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}
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if (MyHandle != NULL) {
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if (LocalOrRemote == ISREMOTE) {
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(VOID) STRCPY(
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MyHandle->UncServerName, // dest
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UncServerName ); // src
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} else {
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MyHandle->UncServerName[0] = TCHAR_EOS;
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}
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}
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*ConfigHandle = MyHandle; // Points to private handle, or is NULL on err.
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return (ApiStatus);
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} // NetpOpenConfigDataEx
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