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windows-nt/Source/XPSP1/NT/ds/netapi/xactsrv/apigroup.c
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2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
ApiGroup.c
Abstract:
This module contains individual API handlers for the NetGroup APIs.
SUPPORTED : NetGroupAdd, NetGroupAddUser, NetGroupDel, NetGroupDelUser,
NetGroupEnum, NetGroupGetInfo, NetGroupGetUsers,
NetGroupSetInfo, NetGroupSetUsers.
Author:
Shanku Niyogi (w-shanku) 13-Mar-1991
Revision History:
--*/
//
// Group APIs are UNICODE only.
//
#ifndef UNICODE
#define UNICODE
#endif
#include "xactsrvp.h"
//
// Declaration of descriptor strings.
//
STATIC const LPDESC Desc16_group_info_0 = REM16_group_info_0;
STATIC const LPDESC Desc32_group_info_0 = REM32_group_info_0;
STATIC const LPDESC Desc16_group_info_1 = REM16_group_info_1;
STATIC const LPDESC Desc32_group_info_1 = REM32_group_info_1;
STATIC const LPDESC Desc16_group_info_1_setinfo = REM16_group_info_1_setinfo;
STATIC const LPDESC Desc32_group_info_1_setinfo = REM32_group_info_1_setinfo;
STATIC const LPDESC Desc16_group_users_info_0 = REM16_group_users_info_0;
STATIC const LPDESC Desc32_group_users_info_0 = REM32_group_users_info_0;
STATIC const LPDESC Desc16_group_users_info_0_set
= REM16_group_users_info_0_set;
STATIC const LPDESC Desc32_group_users_info_0_set
= REM32_group_users_info_0_set;
NTSTATUS
XsNetGroupAdd (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupAdd.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_ADD parameters = Parameters;
LPVOID buffer = NULL; // Native parameters
LPBYTE stringLocation = NULL; // Conversion variables
DWORD bytesRequired = 0;
DWORD bufferSize;
LPDESC nativeStructureDesc;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupAdd: header at %lx, params at %lx, "
"level %ld\n",
Header, parameters, SmbGetUshort( &parameters->Level ) ));
}
try {
//
// Use the requested level to determine the format of the destination
// 32-bit structure.
//
switch ( SmbGetUshort( &parameters->Level ) ) {
case 0:
StructureDesc = Desc16_group_info_0;
nativeStructureDesc = Desc32_group_info_0;
break;
case 1:
StructureDesc = Desc16_group_info_1;
nativeStructureDesc = Desc32_group_info_1;
break;
default:
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
//
// Figure out if there is enough room in the buffer for all the
// data required. If not, return NERR_BufTooSmall.
//
if ( !XsCheckBufferSize(
SmbGetUshort( &parameters->BufLen ),
StructureDesc,
FALSE // not in native format
)) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupAdd: Buffer too small.\n" ));
}
Header->Status = NERR_BufTooSmall;
goto cleanup;
}
//
// Find out how big a buffer we need to allocate to hold the native
// 32-bit version of the input data structure.
//
bufferSize = XsBytesForConvertedStructure(
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
StructureDesc,
nativeStructureDesc,
RapToNative,
TRUE
);
//
// Allocate enough memory to hold the converted native buffer.
//
buffer = NetpMemoryAllocate( bufferSize );
if ( buffer == NULL ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupAdd: failed to create buffer" ));
}
Header->Status = NERR_NoRoom;
goto cleanup;
}
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupAdd: buffer of %ld bytes at %lx\n",
bufferSize, buffer ));
}
//
// Convert the buffer from 16-bit to 32-bit.
//
stringLocation = (LPBYTE)buffer + bufferSize;
bytesRequired = 0;
status = RapConvertSingleEntry(
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
StructureDesc,
TRUE,
buffer,
buffer,
nativeStructureDesc,
FALSE,
&stringLocation,
&bytesRequired,
Response,
RapToNative
);
if ( status != NERR_Success ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupAdd: RapConvertSingleEntry failed: "
"%X\n", status ));
}
Header->Status = NERR_InternalError;
goto cleanup;
}
//
// Make the local call.
//
status = NetGroupAdd(
NULL,
(DWORD)SmbGetUshort( &parameters->Level ),
buffer,
NULL
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupAdd: NetGroupAdd failed: %X\n", status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
//
// There is no real return information for this API.
//
cleanup:
;
} except( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetpMemoryFree( buffer );
return STATUS_SUCCESS;
} // XsNetGroupAdd
NTSTATUS
XsNetGroupAddUser (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupAddUser.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_ADD_USER parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPTSTR nativeUserName = NULL;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
try {
//
// Translate parameters, check for errors.
//
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
XsConvertTextParameter(
nativeUserName,
(LPSTR)XsSmbGetPointer( &parameters->UserName )
);
//
// Make the local call.
//
status = NetGroupAddUser(
NULL,
nativeGroupName,
nativeUserName
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupAddUser: NetGroupAddUser failed: %X\n",
status ));
}
}
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetpMemoryFree( nativeGroupName );
NetpMemoryFree( nativeUserName );
//
// Nothing to return.
//
Header->Status = (WORD)status;
return STATUS_SUCCESS;
} // XsNetGroupAddUser
NTSTATUS
XsNetGroupDel (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupDel.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_DEL parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupDel: header at %lx, params at %lx, name %s\n",
Header, parameters,
SmbGetUlong( &parameters->GroupName )));
}
try {
//
// Translate parameters, check for errors.
//
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
//
// Make the local call.
//
status = NetGroupDel(
NULL,
nativeGroupName
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupDel: NetGroupDel failed: %X\n", status ));
}
}
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetpMemoryFree( nativeGroupName );
//
// Nothing to return.
//
Header->Status = (WORD)status;
return STATUS_SUCCESS;
} // XsNetGroupDel
NTSTATUS
XsNetGroupDelUser (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupDelUser.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_DEL_USER parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPTSTR nativeUserName = NULL;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
try {
//
// Translate parameters, check for errors.
//
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
XsConvertTextParameter(
nativeUserName,
(LPSTR)XsSmbGetPointer( &parameters->UserName )
);
//
// Make the local call.
//
status = NetGroupDelUser(
NULL,
nativeGroupName,
nativeUserName
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupDelUser: NetGroupDelUser failed: %X\n",
status ));
}
}
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetpMemoryFree( nativeGroupName );
NetpMemoryFree( nativeUserName );
//
// Nothing to return.
//
Header->Status = (WORD)status;
return STATUS_SUCCESS;
} // XsNetGroupDelUser
NTSTATUS
XsNetGroupEnum (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupEnum.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_ENUM parameters = Parameters;
LPVOID outBuffer= NULL; // Native parameters
DWORD entriesRead;
DWORD totalEntries;
DWORD entriesFilled = 0; // Conversion variables
DWORD bytesRequired = 0;
LPDESC nativeStructureDesc;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupEnum: header at %lx, params at %lx, "
"level %ld, buf size %ld\n",
Header, parameters, SmbGetUshort( &parameters->Level ),
SmbGetUshort( &parameters->BufLen )));
}
try {
//
// Check for errors.
//
if ( XsWordParamOutOfRange( parameters->Level, 0, 1 )) {
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
//
// Make the local call.
//
status = NetGroupEnum(
NULL,
(DWORD)SmbGetUshort( &parameters->Level ),
(LPBYTE *)&outBuffer,
XsNativeBufferSize( SmbGetUshort( &parameters->BufLen )),
&entriesRead,
&totalEntries,
NULL
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(API_ERRORS) {
NetpKdPrint(( "XsNetGroupEnum: NetGroupEnum failed: %X\n",
status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupEnum: received %ld entries at %lx\n",
entriesRead, outBuffer ));
}
//
// Use the requested level to determine the format of the
// data structure.
//
switch ( SmbGetUshort( &parameters->Level ) ) {
case 0:
nativeStructureDesc = Desc32_group_info_0;
StructureDesc = Desc16_group_info_0;
break;
case 1:
nativeStructureDesc = Desc32_group_info_1;
StructureDesc = Desc16_group_info_1;
break;
}
//
// Do the actual conversion from the 32-bit structures to 16-bit
// structures.
//
XsFillEnumBuffer(
outBuffer,
entriesRead,
nativeStructureDesc,
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
SmbGetUshort( &parameters->BufLen ),
StructureDesc,
NULL, // verify function
&bytesRequired,
&entriesFilled,
NULL
);
IF_DEBUG(GROUP) {
NetpKdPrint(( "32-bit data at %lx, 16-bit data at %lx, %ld BR,"
" Entries %ld of %ld\n",
outBuffer, SmbGetUlong( &parameters->Buffer ),
bytesRequired, entriesFilled, totalEntries ));
}
//
// If all the entries could not be filled, return ERROR_MORE_DATA,
// and return the buffer as is. Otherwise, the data needs to be
// packed so that we don't send too much useless data.
//
if ( entriesFilled < totalEntries ) {
Header->Status = ERROR_MORE_DATA;
} else {
Header->Converter = XsPackReturnData(
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
SmbGetUshort( &parameters->BufLen ),
StructureDesc,
entriesFilled
);
}
//
// Set up the response parameters.
//
SmbPutUshort( &parameters->EntriesRead, (WORD)entriesFilled );
SmbPutUshort( &parameters->TotalAvail, (WORD)totalEntries );
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetApiBufferFree( outBuffer );
//
// Determine return buffer size.
//
XsSetDataCount(
&parameters->BufLen,
StructureDesc,
Header->Converter,
entriesFilled,
Header->Status
);
return STATUS_SUCCESS;
} // XsNetGroupEnum
NTSTATUS
XsNetGroupGetInfo (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupGetInfo.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_GET_INFO parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPVOID outBuffer = NULL;
LPBYTE stringLocation = NULL; // Conversion variables
DWORD bytesRequired = 0;
LPDESC nativeStructureDesc;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupGetInfo: header at %lx, "
"params at %lx, level %ld\n",
Header, parameters, SmbGetUshort( &parameters->Level ) ));
}
try {
//
// Translate parameters, check for errors.
//
if ( XsWordParamOutOfRange( parameters->Level, 0, 1 )) {
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
//
// Make the local call.
//
status = NetGroupGetInfo(
NULL,
nativeGroupName,
(DWORD)SmbGetUshort( &parameters->Level ),
(LPBYTE *)&outBuffer
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(API_ERRORS) {
NetpKdPrint(( "XsNetGroupGetInfo: NetGroupGetInfo failed: "
"%X\n", status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
//
// Use the requested level to determine the format of the
// data structure.
//
switch ( SmbGetUshort( &parameters->Level ) ) {
case 0:
nativeStructureDesc = Desc32_group_info_0;
StructureDesc = Desc16_group_info_0;
break;
case 1:
nativeStructureDesc = Desc32_group_info_1;
StructureDesc = Desc16_group_info_1;
break;
}
//
// Convert the structure returned by the 32-bit call to a 16-bit
// structure. The last possible location for variable data is
// calculated from buffer location and length.
//
stringLocation = (LPBYTE)( XsSmbGetPointer( &parameters->Buffer )
+ SmbGetUshort( &parameters->BufLen ) );
status = RapConvertSingleEntry(
outBuffer,
nativeStructureDesc,
FALSE,
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
StructureDesc,
TRUE,
&stringLocation,
&bytesRequired,
Response,
NativeToRap
);
if ( status != NERR_Success ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupGetInfo: RapConvertSingleEntry failed: "
"%X\n", status ));
}
Header->Status = NERR_InternalError;
goto cleanup;
}
IF_DEBUG(GROUP) {
NetpKdPrint(( "32-bit data at %lx, 16-bit data at %lx, %ld BR\n",
outBuffer, SmbGetUlong( &parameters->Buffer ),
bytesRequired ));
}
//
// Determine return code based on the size of the buffer.
//
if ( !XsCheckBufferSize(
SmbGetUshort( &parameters->BufLen ),
StructureDesc,
FALSE // not in native format
)) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupGetInfo: Buffer too small %ld s.b. %ld.\n",
SmbGetUshort( &parameters->BufLen ),
RapStructureSize(
StructureDesc,
Response,
FALSE ) ));
}
Header->Status = NERR_BufTooSmall;
} else if ( bytesRequired > (DWORD)SmbGetUshort( &parameters-> BufLen )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "NetGroupGetInfo: More data available.\n" ));
}
Header->Status = ERROR_MORE_DATA;
} else {
//
// Pack the response data.
//
Header->Converter = XsPackReturnData(
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
SmbGetUshort( &parameters->BufLen ),
StructureDesc,
1
);
}
//
// Set up the response parameters.
//
SmbPutUshort( &parameters->TotalAvail, (WORD)bytesRequired );
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetApiBufferFree( outBuffer );
NetpMemoryFree( nativeGroupName );
//
// Determine return buffer size.
//
XsSetDataCount(
&parameters->BufLen,
StructureDesc,
Header->Converter,
1,
Header->Status
);
return STATUS_SUCCESS;
} // XsNetGroupGetInfo
NTSTATUS
XsNetGroupGetUsers (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupGetUsers.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_GET_USERS parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPVOID outBuffer= NULL;
DWORD entriesRead;
DWORD totalEntries;
DWORD entriesFilled = 0; // Conversion variables
DWORD bytesRequired = 0;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupGetUsers: header at %lx, params at %lx, "
"level %ld, buf size %ld\n",
Header, parameters, SmbGetUshort( &parameters->Level ),
SmbGetUshort( &parameters->BufLen )));
}
try {
//
// Translate parameters, check for errors.
//
if ( SmbGetUshort( &parameters->Level ) != 0 ) {
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
//
// Make the local call.
//
status = NetGroupGetUsers(
NULL,
nativeGroupName,
(DWORD)SmbGetUshort( &parameters->Level ),
(LPBYTE *)&outBuffer,
XsNativeBufferSize( SmbGetUshort( &parameters->BufLen )),
&entriesRead,
&totalEntries,
NULL
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(API_ERRORS) {
NetpKdPrint(( "XsNetGroupGetUsers: NetGroupGetUsers failed: %X\n",
status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupGetUsers: received %ld entries at %lx\n",
entriesRead, outBuffer ));
}
//
// Do the conversion from 32- to 16-bit data.
//
XsFillEnumBuffer(
outBuffer,
entriesRead,
Desc32_group_users_info_0,
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
(LPVOID)XsSmbGetPointer( &parameters->Buffer ),
SmbGetUshort( &parameters->BufLen ),
Desc16_group_users_info_0,
NULL, // verify function
&bytesRequired,
&entriesFilled,
NULL
);
IF_DEBUG(GROUP) {
NetpKdPrint(( "32-bit data at %lx, 16-bit data at %lx, %ld BR,"
" Entries %ld of %ld\n",
outBuffer, SmbGetUlong( &parameters->Buffer ),
bytesRequired, entriesFilled, totalEntries ));
}
//
// If there is no room for one fixed structure, return NERR_BufTooSmall.
// If all the entries could not be filled, return ERROR_MORE_DATA,
// and return the buffer as is. GROUP_USERS_INFO_0 structures don't
// need to be packed, because they have no variable data.
//
if ( !XsCheckBufferSize(
SmbGetUshort( &parameters->BufLen ),
Desc16_group_users_info_0,
FALSE // not in native format
)) {
Header->Status = NERR_BufTooSmall;
} else if ( entriesFilled < totalEntries ) {
Header->Status = ERROR_MORE_DATA;
}
//
// Set up the response parameters.
//
SmbPutUshort( &parameters->EntriesRead, (WORD)entriesFilled );
SmbPutUshort( &parameters->TotalAvail, (WORD)totalEntries );
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetApiBufferFree( outBuffer );
NetpMemoryFree( nativeGroupName );
//
// Determine return buffer size.
//
XsSetDataCount(
&parameters->BufLen,
Desc16_group_users_info_0,
Header->Converter,
entriesFilled,
Header->Status
);
return STATUS_SUCCESS;
} // XsNetGroupGetUsers
NTSTATUS
XsNetGroupSetInfo (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupSetInfo.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_SET_INFO parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPVOID buffer = NULL;
WORD fieldIndex; // Conversion variables
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
try {
//
// Translate parameters, check for errors.
//
if ( SmbGetUshort( &parameters->Level ) != 1 ) {
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
//
// Translate parmnum to a field number.
//
fieldIndex = SmbGetUshort( &parameters->ParmNum );
fieldIndex = ( fieldIndex == PARMNUM_ALL ) ?
PARMNUM_ALL : fieldIndex + 1;
status = XsConvertSetInfoBuffer(
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
SmbGetUshort( &parameters->BufLen ),
fieldIndex,
TRUE,
TRUE,
Desc16_group_info_1,
Desc32_group_info_1,
Desc16_group_info_1_setinfo,
Desc32_group_info_1_setinfo,
(LPBYTE *)&buffer,
NULL
);
if ( status != NERR_Success ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetInfo: Problem with conversion: %X\n",
status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
//
// Do the actual local call.
//
status = NetGroupSetInfo(
NULL,
nativeGroupName,
XsLevelFromParmNum( SmbGetUshort( &parameters->Level ),
SmbGetUshort( &parameters->ParmNum )),
buffer,
NULL
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetInfo: NetGroupSetInfo failed: %X\n",
status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
//
// No return information for this API.
//
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
//
// If there is a native 32-bit buffer, free it.
//
NetpMemoryFree( buffer );
NetpMemoryFree( nativeGroupName );
return STATUS_SUCCESS;
} // XsNetGroupSetInfo
NTSTATUS
XsNetGroupSetUsers (
API_HANDLER_PARAMETERS
)
/*++
Routine Description:
This routine handles a call to NetGroupSetUsers.
Arguments:
API_HANDLER_PARAMETERS - information about the API call. See
XsTypes.h for details.
Return Value:
NTSTATUS - STATUS_SUCCESS or reason for failure.
--*/
{
NET_API_STATUS status;
PXS_NET_GROUP_SET_USERS parameters = Parameters;
LPTSTR nativeGroupName = NULL; // Native parameters
LPBYTE actualBuffer = NULL;
DWORD userCount;
LPBYTE stringLocation = NULL; // Conversion variables
LPVOID buffer = NULL;
DWORD bytesRequired = 0;
LPDESC longDescriptor = NULL;
LPDESC longNativeDescriptor = NULL;
DWORD bufferSize;
DWORD i;
API_HANDLER_PARAMETERS_REFERENCE; // Avoid warnings
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupSetUsers: header at %lx, params at %lx,"
"level %ld\n",
Header, parameters, SmbGetUshort( &parameters->Level ) ));
}
try {
//
// Translate parameters, check for errors.
//
if ( SmbGetUshort( &parameters->Level ) != 0 ) {
Header->Status = ERROR_INVALID_LEVEL;
goto cleanup;
}
StructureDesc = Desc16_group_users_info_0_set;
AuxStructureDesc = Desc16_group_users_info_0;
XsConvertTextParameter(
nativeGroupName,
(LPSTR)XsSmbGetPointer( &parameters->GroupName )
);
//
// Use the count of group_users_info_0 structures to form a long
// descriptor string which can be used to do all the conversion
// in one pass.
//
userCount = (DWORD)SmbGetUshort( &parameters->Entries );
longDescriptor = NetpMemoryAllocate(
strlen( StructureDesc )
+ strlen( AuxStructureDesc ) * userCount
+ 1 );
longNativeDescriptor = NetpMemoryAllocate(
strlen( Desc32_group_users_info_0_set )
+ strlen( Desc32_group_users_info_0 ) * userCount
+ 1 );
if (( longDescriptor == NULL ) || ( longNativeDescriptor == NULL )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetUsers: failed to allocate memory" ));
}
Header->Status = NERR_NoRoom;
goto cleanup;
}
strcpy( longDescriptor, StructureDesc );
strcpy( longNativeDescriptor, Desc32_group_users_info_0_set );
for ( i = 0; i < userCount; i++ ) {
strcat( longDescriptor, AuxStructureDesc );
strcat( longNativeDescriptor, Desc32_group_users_info_0 );
}
//
// Figure out if there is enough room in the buffer for all this
// data. If not, return NERR_BufTooSmall.
//
if ( !XsCheckBufferSize(
SmbGetUshort( &parameters->BufLen ),
longDescriptor,
FALSE // not in native format
)) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetUsers: Buffer too small.\n" ));
}
Header->Status = NERR_BufTooSmall;
goto cleanup;
}
//
// Find out how big a buffer we need to allocate to hold the native
// 32-bit version of the input data structure.
//
bufferSize = XsBytesForConvertedStructure(
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
longDescriptor,
longNativeDescriptor,
RapToNative,
TRUE
);
//
// Allocate enough memory to hold the converted native buffer.
//
buffer = NetpMemoryAllocate( bufferSize );
if ( buffer == NULL ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetUsers: failed to create buffer" ));
}
Header->Status = NERR_NoRoom;
goto cleanup;
}
IF_DEBUG(GROUP) {
NetpKdPrint(( "XsNetGroupSetUsers: buffer of %ld bytes at %lx\n",
bufferSize, buffer ));
}
//
// Convert the buffer from 16-bit to 32-bit.
//
stringLocation = (LPBYTE)buffer + bufferSize;
bytesRequired = 0;
status = RapConvertSingleEntry(
(LPBYTE)XsSmbGetPointer( &parameters->Buffer ),
longDescriptor,
TRUE,
buffer,
buffer,
longNativeDescriptor,
FALSE,
&stringLocation,
&bytesRequired,
Response,
RapToNative
);
if ( status != NERR_Success ) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetUsers: RapConvertSingleEntry failed: "
"%X\n", status ));
}
Header->Status = NERR_InternalError;
goto cleanup;
}
//
// Check if we got all the entries. If not, we'll quit.
//
if ( RapAuxDataCount( buffer, Desc32_group_users_info_0_set, Both, TRUE )
!= userCount ) {
Header->Status = NERR_BufTooSmall;
goto cleanup;
}
//
// If there are no entries, there's no data. Otherwise, the data comes
// after an initial header structure.
//
if ( userCount > 0 ) {
actualBuffer = (LPBYTE)buffer + RapStructureSize(
Desc32_group_users_info_0_set,
Both,
TRUE
);
} else {
actualBuffer = NULL;
}
//
// Make the local call.
//
status = NetGroupSetUsers(
NULL,
nativeGroupName,
(DWORD)SmbGetUshort( &parameters->Level ),
actualBuffer,
userCount
);
if ( !XsApiSuccess( status )) {
IF_DEBUG(ERRORS) {
NetpKdPrint(( "XsNetGroupSetUsers: NetGroupSetUsers failed: %X\n",
status ));
}
Header->Status = (WORD)status;
goto cleanup;
}
//
// There is no real return information for this API.
//
cleanup:
;
} except ( EXCEPTION_EXECUTE_HANDLER ) {
Header->Status = (WORD)RtlNtStatusToDosError( GetExceptionCode() );
}
NetpMemoryFree( nativeGroupName );
NetpMemoryFree( buffer );
NetpMemoryFree( longDescriptor );
NetpMemoryFree( longNativeDescriptor );
return STATUS_SUCCESS;
} // XsNetGroupSetUsers
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