354 lines
10 KiB
C
354 lines
10 KiB
C
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/*++
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Copyright (c) 1991-92 Microsoft Corporation
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Module Name:
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ConfStub.c
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Abstract:
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This module contains stubs for the NetConfig APIs.
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Author:
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John Rogers (JohnRo) 23-Oct-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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23-Oct-1991 JohnRo
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Created.
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28-Oct-1991 JohnRo
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Use <winerror.h> if <lmerr.h> isn't needed.
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20-Nov-1991 JohnRo
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Work with old or new lmconfig.h for now (based on REVISED_CONFIG_APIS).
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02-Dec-1991 JohnRo
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Implement local NetConfig APIs.
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11-Mar-1992 JohnRo
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Fixed bug in get all where array wasn't terminated.
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Added real NetConfigSet() handling.
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21-Oct-1992 JohnRo
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RAID 9357: server mgr: can't add to alerts list on downlevel.
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--*/
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// These must be included first:
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#include <nt.h> // IN, etc. (Only needed by temporary config.h)
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#include <ntrtl.h> // (Only needed by temporary config.h)
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#include <windef.h> // IN, DWORD, etc.
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#include <lmcons.h> // DEVLEN, NET_API_STATUS, etc.
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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> // NetpOpenConfigData(), etc.
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#include <lmapibuf.h> // NetApiBufferFree().
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#include <lmerr.h> // NERR_ and ERROR_ equates.
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#include <lmconfig.h> // NetConfig APIs.
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#include <netlib.h> // NetpMemoryReallocate().
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#include <rxconfig.h> // RxNetConfig APIs.
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#include <tstring.h> // STRSIZE(), TCHAR_EOS, etc.
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#define INITIAL_ALLOC_AMOUNT 512 // arbitrary
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#define INCR_ALLOC_AMOUNT 512 // arbitrary
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NET_API_STATUS NET_API_FUNCTION
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NetConfigGet (
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IN LPCWSTR UncServerName OPTIONAL,
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IN LPCWSTR Component,
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IN LPCWSTR Parameter,
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#ifdef REVISED_CONFIG_APIS
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OUT LPBYTE *BufPtr
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#else
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OUT LPBYTE *BufPtr,
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OUT LPDWORD TotalAvailable
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#endif
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)
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{
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NET_API_STATUS Status;
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LPNET_CONFIG_HANDLE ConfigHandle;
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BOOL TryDownLevel;
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#ifndef REVISED_CONFIG_APIS
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UNREFERENCED_PARAMETER(TotalAvailable);
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#endif
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*BufPtr = NULL; // Check caller and make error handling easier.
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Status = NetpOpenConfigData(
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& ConfigHandle,
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(LPWSTR)UncServerName,
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(LPWSTR)Component,
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TRUE); // just want read-only access
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if (Status != NERR_Success) {
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Status = NetpHandleConfigFailure(
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"NetConfigGet", // debug name
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Status, // result of NetpOpenConfigData
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(LPWSTR)UncServerName,
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& TryDownLevel);
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if (TryDownLevel) {
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return (RxNetConfigGet(
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(LPWSTR)UncServerName,
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(LPWSTR)Component,
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(LPWSTR)Parameter,
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BufPtr));
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} else {
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return (Status); // result of NetpHandleConfigFailure
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}
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}
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Status = NetpGetConfigValue(
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ConfigHandle,
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(LPWSTR)Parameter, // keyword
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(LPTSTR *) (LPVOID) BufPtr); // alloc and set ptr
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if (Status == NERR_Success) {
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Status = NetpCloseConfigData( ConfigHandle );
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NetpAssert(Status == NERR_Success);
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} else {
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NetpAssert(*BufPtr == NULL);
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(void) NetpCloseConfigData( ConfigHandle );
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}
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return (Status);
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} // NetConfigGet
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NET_API_STATUS NET_API_FUNCTION
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NetConfigGetAll (
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IN LPCWSTR UncServerName OPTIONAL,
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IN LPCWSTR Component,
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#ifdef REVISED_CONFIG_APIS
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OUT LPBYTE *BufPtr
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#else
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OUT LPBYTE *BufPtr,
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OUT LPDWORD TotalAvailable
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#endif
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)
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{
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DWORD BufSize; // Bytes allocated at *BufPtr (so far).
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DWORD BufUsed; // Bytes used at *BufPtr (so far).
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LPNET_CONFIG_HANDLE ConfigHandle;
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BOOL FirstTime;
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LPVOID NewBuffPtr;
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NET_API_STATUS Status;
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BOOL TryDownLevel;
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#ifndef REVISED_CONFIG_APIS
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UNREFERENCED_PARAMETER(TotalAvailable);
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#endif
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*BufPtr = NULL; // Check caller and make error handling easier.
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Status = NetpOpenConfigData(
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& ConfigHandle,
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(LPWSTR)UncServerName,
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(LPWSTR)Component,
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TRUE); // just want read-only access
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if (Status != NERR_Success) {
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Status = NetpHandleConfigFailure(
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"NetConfigGetAll", // debug name
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Status, // result of NetpOpenConfigData
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(LPWSTR)UncServerName,
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& TryDownLevel);
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if (TryDownLevel) {
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return (RxNetConfigGetAll(
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(LPWSTR)UncServerName,
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(LPWSTR)Component,
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BufPtr));
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} else {
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return (Status); // result of NetpHandleConfigFailure
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}
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}
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// Even if there aren't any entries, we'll need to store a null at
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// end of array. So allocate initial one now.
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BufSize = INITIAL_ALLOC_AMOUNT;
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NewBuffPtr = NetpMemoryReallocate(
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(LPVOID) *BufPtr, // old address
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BufSize); // new size
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if (NewBuffPtr == NULL) { // out of memory
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(void) NetpCloseConfigData( ConfigHandle );
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return (ERROR_NOT_ENOUGH_MEMORY);
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}
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*BufPtr = NewBuffPtr;
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BufUsed = 0;
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// Loop once per entry (at least once if no entries).
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FirstTime = TRUE;
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do {
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LPTSTR KeywordBuffer;
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LPTSTR ValueBuffer;
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Status = NetpEnumConfigSectionValues(
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ConfigHandle,
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& KeywordBuffer, // Alloc and set ptr.
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& ValueBuffer, // Alloc and set ptr.
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FirstTime);
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FirstTime = FALSE;
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if (Status == NERR_Success) {
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DWORD SrcSize =
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(STRLEN(KeywordBuffer) + 1 + STRLEN(ValueBuffer) + 1)
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* sizeof(TCHAR);
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if (BufSize < (BufUsed+SrcSize) ) {
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if (SrcSize <= INCR_ALLOC_AMOUNT) {
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BufSize += INCR_ALLOC_AMOUNT;
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} else {
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BufSize += SrcSize;
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}
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NewBuffPtr = NetpMemoryReallocate(
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(LPVOID) *BufPtr, /* old address */
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BufSize); /* new size */
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if (NewBuffPtr == NULL) { /* out of memory */
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(void) NetpCloseConfigData( ConfigHandle );
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return (ERROR_NOT_ENOUGH_MEMORY);
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}
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*BufPtr = NewBuffPtr;
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}
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#define AddString( lptstrSrc, CharCount ) \
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{ \
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LPTSTR lptstrDest; \
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NetpAssert( CharCount > 0 ); \
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lptstrDest = (LPTSTR)NetpPointerPlusSomeBytes( *BufPtr, BufUsed); \
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NetpAssert( lptstrDest != NULL ); \
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(void) STRNCPY( lptstrDest, lptstrSrc, CharCount ); \
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BufUsed += (CharCount * sizeof(TCHAR) ); \
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NetpAssert( BufUsed <= BufSize ); \
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}
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AddString( KeywordBuffer, STRLEN(KeywordBuffer) );
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(void) NetApiBufferFree( KeywordBuffer );
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AddString( TEXT("="), 1 );
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AddString( ValueBuffer, STRLEN(ValueBuffer) );
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(void) NetApiBufferFree( ValueBuffer );
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#define AddNullChar( ) \
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{ \
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AddString( TEXT(""), 1 ); \
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}
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AddNullChar(); // Terminate this entry.
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}
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} while (Status == NERR_Success);
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if (Status == NERR_CfgParamNotFound) {
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AddNullChar(); // Terminate the array.
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Status = NetpCloseConfigData( ConfigHandle );
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NetpAssert(Status == NERR_Success);
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} else {
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NetpAssert( Status != NO_ERROR );
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NetpAssert( *BufPtr != NULL );
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NetpMemoryFree( *BufPtr );
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*BufPtr = NULL;
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(void) NetpCloseConfigData( ConfigHandle );
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}
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return (Status);
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} // NetConfigGetAll
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NET_API_STATUS NET_API_FUNCTION
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NetConfigSet (
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IN LPCWSTR UncServerName OPTIONAL,
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IN LPCWSTR Reserved1 OPTIONAL,
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IN LPCWSTR Component,
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IN DWORD Level,
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IN DWORD Reserved2,
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IN LPBYTE Buf,
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IN DWORD Reserved3
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)
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{
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LPCONFIG_INFO_0 Info = (LPVOID) Buf;
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LPNET_CONFIG_HANDLE ConfigHandle;
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NET_API_STATUS Status;
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BOOL TryDownLevel;
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if (Buf == NULL) {
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return (ERROR_INVALID_PARAMETER);
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} else if (Level != 0) {
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return (ERROR_INVALID_LEVEL);
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} else if (Info->cfgi0_key == NULL) {
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return (ERROR_INVALID_PARAMETER);
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} else if (Info->cfgi0_data == NULL) {
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return (ERROR_INVALID_PARAMETER);
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} else if (Reserved1 != NULL) {
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return (ERROR_INVALID_PARAMETER);
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} else if (Reserved2 != 0) {
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return (ERROR_INVALID_PARAMETER);
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} else if (Reserved3 != 0) {
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return (ERROR_INVALID_PARAMETER);
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}
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Status = NetpOpenConfigData(
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& ConfigHandle,
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(LPWSTR)UncServerName,
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(LPWSTR)Component,
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FALSE); // don't want _read-only _access
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if (Status != NERR_Success) {
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Status = NetpHandleConfigFailure(
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"NetConfigSet", // debug name
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Status, // result of NetpOpenConfigData
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(LPWSTR)UncServerName,
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& TryDownLevel);
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if (TryDownLevel) {
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return (RxNetConfigSet(
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(LPWSTR)UncServerName,
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(LPWSTR)Reserved1,
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(LPWSTR)Component,
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Level,
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Reserved2,
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Buf,
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Reserved3));
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} else {
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return (Status); // result of NetpHandleConfigFailure
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}
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}
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Status = NetpSetConfigValue(
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ConfigHandle,
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Info->cfgi0_key, // keyword
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Info->cfgi0_data); // new value
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if (Status == NERR_Success) {
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Status = NetpCloseConfigData( ConfigHandle );
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NetpAssert(Status == NERR_Success);
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} else {
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(void) NetpCloseConfigData( ConfigHandle );
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}
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return (Status);
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} // NetConfigSet
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