windows-nt/Source/XPSP1/NT/ds/nw/svcdlls/nwwks/client/nwapi.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1993 Microsoft Corporation
Module Name:
api.c
Abstract:
This module contains exposed APIs that is used by the
NetWare Control Panel Applet.
Author:
Yi-Hsin Sung 15-Jul-1993
Revision History:
ChuckC 23-Jul-93 Completed the stubs
--*/
#include <nwclient.h>
#include <nwcanon.h>
#include <validc.h>
#include <nwdlg.h>
#include <nwreg.h>
#include <nwapi.h>
#include <ntddnwfs.h>
//Multi-User code merge
DWORD
NwpCitrixGetUserInfo(
LPWSTR *ppszUserSid
);
//
// forward declare
//
DWORD
NwpGetCurrentUserRegKey(
IN DWORD DesiredAccess,
OUT HKEY *phKeyCurrentUser
);
DWORD
NwQueryInfo(
OUT PDWORD pnPrintOptions,
OUT LPWSTR *ppszPreferredSrv
)
/*++
Routine Description:
This routine gets the user's preferred server and print options from
the registry.
Arguments:
pnPrintOptions - Receives the user's print option
ppszPreferredSrv - Receives the user's preferred server
Return Value:
Returns the appropriate Win32 error.
--*/
{
HKEY hKeyCurrentUser = NULL;
DWORD BufferSize;
DWORD BytesNeeded;
DWORD PrintOption;
DWORD ValueType;
LPWSTR PreferredServer ;
DWORD err ;
//
// get to right place in registry and allocate dthe buffer
//
if (err = NwpGetCurrentUserRegKey( KEY_READ, &hKeyCurrentUser))
{
//
// If somebody mess around with the registry and we can't find
// the registry, just use the defaults.
//
*ppszPreferredSrv = NULL;
*pnPrintOptions = NW_PRINT_OPTION_DEFAULT;
return NO_ERROR;
}
BufferSize = sizeof(WCHAR) * (MAX_PATH + 2) ;
PreferredServer = (LPWSTR) LocalAlloc(LPTR, BufferSize) ;
if (!PreferredServer)
return (GetLastError()) ;
//
// Read PreferredServer value into Buffer.
//
BytesNeeded = BufferSize ;
err = RegQueryValueExW( hKeyCurrentUser,
NW_SERVER_VALUENAME,
NULL,
&ValueType,
(LPBYTE) PreferredServer,
&BytesNeeded );
if (err != NO_ERROR)
{
//
// set to empty and carry on
//
PreferredServer[0] = 0;
}
//
// Read PrintOption value into PrintOption.
//
BytesNeeded = sizeof(PrintOption);
err = RegQueryValueExW( hKeyCurrentUser,
NW_PRINTOPTION_VALUENAME,
NULL,
&ValueType,
(LPBYTE) &PrintOption,
&BytesNeeded );
if (err != NO_ERROR)
{
//
// set to default and carry on
//
PrintOption = NW_PRINT_OPTION_DEFAULT;
}
if (hKeyCurrentUser != NULL)
(void) RegCloseKey(hKeyCurrentUser) ;
*ppszPreferredSrv = PreferredServer ;
*pnPrintOptions = PrintOption ;
return NO_ERROR ;
}
DWORD
NwSetInfoInRegistry(
IN DWORD nPrintOptions,
IN LPWSTR pszPreferredSrv
)
/*++
Routine Description:
This routine set the user's print option and preferred server into
the registry.
Arguments:
nPrintOptions - Supplies the print option.
pszPreferredSrv - Supplies the preferred server.
Return Value:
Returns the appropriate Win32 error.
--*/
{
HKEY hKeyCurrentUser = NULL;
DWORD err = NwpGetCurrentUserRegKey( KEY_SET_VALUE,
&hKeyCurrentUser );
if (err != NO_ERROR)
return err;
err = RegSetValueEx(hKeyCurrentUser,
NW_SERVER_VALUENAME,
0,
REG_SZ,
(CONST BYTE *)pszPreferredSrv,
(wcslen(pszPreferredSrv)+1) * sizeof(WCHAR)) ;
if (err != NO_ERROR)
{
if (hKeyCurrentUser != NULL)
(void) RegCloseKey(hKeyCurrentUser) ;
return err;
}
err = RegSetValueEx(hKeyCurrentUser,
NW_PRINTOPTION_VALUENAME,
0,
REG_DWORD,
(CONST BYTE *)&nPrintOptions,
sizeof(nPrintOptions)) ;
if (hKeyCurrentUser != NULL)
(void) RegCloseKey(hKeyCurrentUser) ;
return err;
}
DWORD
NwQueryLogonOptions(
OUT PDWORD pnLogonScriptOptions
)
/*++
Routine Description:
This routine gets the user's Logon script options from the registry.
Arguments:
pnLogonScriptOptions - Receives the user's Logon script options
Return Value:
Returns the appropriate Win32 error.
--*/
{
HKEY hKeyCurrentUser;
DWORD BytesNeeded;
DWORD LogonScriptOption;
DWORD ValueType;
DWORD err ;
//
// get to right place in registry and allocate the buffer
//
if (err = NwpGetCurrentUserRegKey( KEY_READ, &hKeyCurrentUser))
{
//
// If somebody mess around with the registry and we can't find
// the registry, assume no.
//
*pnLogonScriptOptions = NW_LOGONSCRIPT_DEFAULT ;
return NO_ERROR;
}
//
// Read LogonScriptOption value into LogonScriptOption.
//
BytesNeeded = sizeof(LogonScriptOption);
err = RegQueryValueExW( hKeyCurrentUser,
NW_LOGONSCRIPT_VALUENAME,
NULL,
&ValueType,
(LPBYTE) &LogonScriptOption,
&BytesNeeded );
if (err != NO_ERROR)
{
//
// default to nothing and carry on
//
LogonScriptOption = NW_LOGONSCRIPT_DEFAULT;
}
*pnLogonScriptOptions = LogonScriptOption ;
return NO_ERROR ;
}
DWORD
NwSetLogonOptionsInRegistry(
IN DWORD nLogonScriptOptions
)
/*++
Routine Description:
This routine set the logon script options in the registry.
Arguments:
nLogonScriptOptions - Supplies the logon options
Return Value:
Returns the appropriate Win32 error.
--*/
{
HKEY hKeyCurrentUser;
DWORD err = NwpGetCurrentUserRegKey( KEY_SET_VALUE,
&hKeyCurrentUser );
if (err != NO_ERROR)
return err;
err = RegSetValueEx(hKeyCurrentUser,
NW_LOGONSCRIPT_VALUENAME,
0,
REG_DWORD,
(CONST BYTE *)&nLogonScriptOptions,
sizeof(nLogonScriptOptions)) ;
(void) RegCloseKey( hKeyCurrentUser );
return err;
}
DWORD
NwSetInfoInWksta(
IN DWORD nPrintOption,
IN LPWSTR pszPreferredSrv
)
/*++
Routine Description:
This routine notifies the workstation service and the redirector
about the user's new print option and preferred server.
Arguments:
nPrintOptions - Supplies the print option.
pszPreferredSrv - Supplies the preferred server.
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
err = NwrSetInfo( NULL, nPrintOption, pszPreferredSrv );
}
RpcExcept(1) {
err = NwpMapRpcError(RpcExceptionCode());
}
RpcEndExcept
return err;
}
DWORD
NwSetLogonScript(
IN DWORD ScriptOptions
)
/*++
Routine Description:
This routine notifies the workstation service of login script
options.
Arguments:
ScriptOptions - Supplies the options.
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
err = NwrSetLogonScript( NULL, ScriptOptions );
}
RpcExcept(1) {
err = NwpMapRpcError(RpcExceptionCode());
}
RpcEndExcept
return err;
}
DWORD
NwValidateUser(
IN LPWSTR pszPreferredSrv
)
/*++
Routine Description:
This routine checks to see if the user can be authenticated on the
chosen preferred server.
Arguments:
pszPreferredSrv - Supplies the preferred server name.
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
//
// Don't need to validate if the preferred server is NULL or empty string
//
if ( ( pszPreferredSrv == NULL )
|| ( *pszPreferredSrv == 0 )
)
{
return NO_ERROR;
}
//
// See if the name contains any invalid characters
//
if ( !IS_VALID_SERVER_TOKEN( pszPreferredSrv, wcslen( pszPreferredSrv )))
return ERROR_INVALID_NAME;
RpcTryExcept {
err = NwrValidateUser( NULL, pszPreferredSrv );
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err;
}
DWORD
NwpGetCurrentUserRegKey(
IN DWORD DesiredAccess,
OUT HKEY *phKeyCurrentUser
)
/*++
Routine Description:
This routine opens the current user's registry key under
\HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NWCWorkstation\Parameters
Arguments:
DesiredAccess - The access mask to open the key with
phKeyCurrentUser - Receives the opened key handle
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
HKEY hkeyWksta;
LPWSTR CurrentUser;
//
// Open HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services
// \NWCWorkstation\Parameters
//
err = RegOpenKeyExW(
HKEY_LOCAL_MACHINE,
NW_WORKSTATION_REGKEY,
REG_OPTION_NON_VOLATILE,
KEY_READ,
&hkeyWksta
);
if ( err ) {
KdPrint(("NWPROVAU: NwGetCurrentUserRegKey open Parameters key unexpected error %lu!\n", err));
return err;
}
// -- MultiUser code merge ----
// Get the current user's SID string
// DON'T look in the registry. This thread should be owned by the
// user.
//
CurrentUser = NULL;
err = NwpCitrixGetUserInfo( &CurrentUser );
if ( err ) {
KdPrint(("NWPROVAU: NwGetCurrentUserRegKey get CurrentUser SID unexpected error %lu!\n", err));
(void) RegCloseKey( hkeyWksta );
return err;
}
//
// Get the current user's SID string.
//
//err = NwReadRegValue(
// hkeyWksta,
// NW_CURRENTUSER_VALUENAME,
// &CurrentUser
// );
if ( err ) {
KdPrint(("NWPROVAU: NwGetCurrentUserRegKey read CurrentUser value unexpected error %lu!\n", err));
(void) RegCloseKey( hkeyWksta );
return err;
}
(void) RegCloseKey( hkeyWksta );
//
// Open HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services
// \NWCWorkstation\Parameters\Option
//
err = RegOpenKeyExW(
HKEY_LOCAL_MACHINE,
NW_WORKSTATION_OPTION_REGKEY,
REG_OPTION_NON_VOLATILE,
KEY_READ,
&hkeyWksta
);
if ( err ) {
KdPrint(("NWPROVAU: NwGetCurrentUserRegKey open Parameters\\Option key unexpected error %lu!\n", err));
return err;
}
//
// Open current user's key
//
err = RegOpenKeyExW(
hkeyWksta,
CurrentUser,
REG_OPTION_NON_VOLATILE,
DesiredAccess,
phKeyCurrentUser
);
if ( err == ERROR_FILE_NOT_FOUND)
{
DWORD Disposition;
//
// Create <NewUser> key under NWCWorkstation\Parameters\Option
//
err = RegCreateKeyExW(
hkeyWksta,
CurrentUser,
0,
WIN31_CLASS,
REG_OPTION_NON_VOLATILE,
DesiredAccess,
NULL, // security attr
phKeyCurrentUser,
&Disposition
);
if ( err == NO_ERROR )
{
err = NwLibSetEverybodyPermission( *phKeyCurrentUser,
KEY_SET_VALUE );
if ( err != NO_ERROR )
{
KdPrint(("NWPROVAU: NwpSaveLogonCredential set security on Option\\%ws key unexpected error %lu!\n", CurrentUser, err));
}
}
}
if ( err ) {
KdPrint(("NWPROVAU: NwGetCurrentUserRegKey open or create of Parameters\\Option\\%ws key failed %lu\n", CurrentUser, err));
}
(void) RegCloseKey( hkeyWksta );
(void) LocalFree((HLOCAL)CurrentUser) ;
return err;
}
DWORD
NwEnumGWDevices(
LPDWORD Index,
LPBYTE Buffer,
DWORD BufferSize,
LPDWORD BytesNeeded,
LPDWORD EntriesRead
)
/*++
Routine Description:
This routine enumerates the special gateway devices (redirections)
that are cureently in use.
Arguments:
Index - Point to start enumeration. Should be zero for first call.
Buffer - buffer for return data
BufferSize - size of buffer in bytes
BytesNeeded - number of bytes needed to return all the data
EntriesRead - number of entries read
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD i, err ;
LPNETRESOURCE lpNetRes = (LPNETRESOURCE) Buffer ;
//
// call the implementing routine on server side
//
RpcTryExcept {
err = NwrEnumGWDevices( NULL,
Index,
Buffer,
BufferSize,
BytesNeeded,
EntriesRead) ;
if ( err == NO_ERROR)
{
//
// the change the offsets into real pointers
//
for (i = 0; i < *EntriesRead; i++)
{
lpNetRes->lpLocalName =
(LPWSTR) (Buffer+(DWORD_PTR)lpNetRes->lpLocalName) ;
lpNetRes->lpRemoteName =
(LPWSTR) (Buffer+(DWORD_PTR)lpNetRes->lpRemoteName) ;
lpNetRes->lpProvider =
(LPWSTR) (Buffer+(DWORD_PTR)lpNetRes->lpProvider) ;
lpNetRes++ ;
}
}
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err ;
}
DWORD
NwAddGWDevice(
LPWSTR DeviceName,
LPWSTR RemoteName,
LPWSTR AccountName,
LPWSTR Password,
DWORD Flags
)
/*++
Routine Description:
This routine adds a gateway redirection.
Arguments:
DeviceName - the drive to redirect
RemoteName - the remote network resource to redirect to
Flags - supplies the options (eg. UpdateRegistry & make this sticky)
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
err = NwrAddGWDevice( NULL,
DeviceName,
RemoteName,
AccountName,
Password,
Flags) ;
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err;
}
DWORD
NwDeleteGWDevice(
LPWSTR DeviceName,
DWORD Flags
)
/*++
Routine Description:
This routine deletes a gateway redirection.
Arguments:
DeviceName - the drive to delete
Flags - supplies the options (eg. UpdateRegistry & make this sticky)
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
err = NwrDeleteGWDevice(NULL, DeviceName, Flags) ;
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err;
}
DWORD
NwQueryGatewayAccount(
LPWSTR AccountName,
DWORD AccountNameLen,
LPDWORD AccountCharsNeeded,
LPWSTR Password,
DWORD PasswordLen,
LPDWORD PasswordCharsNeeded
)
/*++
Routine Description:
Query the gateway account info. specifically, the Account name and
the passeord stored as an LSA secret.
Arguments:
AccountName - buffer used to return account name
AccountNameLen - length of buffer
Password - buffer used to return account name
PasswordLen - length of buffer
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
if (AccountName && AccountNameLen)
*AccountName = 0 ;
if (Password && PasswordLen)
*Password = 0 ;
err = NwrQueryGatewayAccount(NULL,
AccountName,
AccountNameLen,
AccountCharsNeeded,
Password,
PasswordLen,
PasswordCharsNeeded) ;
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err;
}
DWORD
NwSetGatewayAccount(
LPWSTR AccountName,
LPWSTR Password
)
/*++
Routine Description:
Set the account and password to be used for gateway access.
Arguments:
AccountName - the account (NULL terminated)
Password - the password string (NULL terminated)
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err;
RpcTryExcept {
err = NwrSetGatewayAccount( NULL,
AccountName,
Password);
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err;
}
DWORD
NwLogonGatewayAccount(
LPWSTR AccountName,
LPWSTR Password,
LPWSTR Server
)
/*++
Routine Description:
Logon the SYSTEM process with the specified account/password.
Arguments:
AccountName - the account (NULL terminated)
Password - the password string (NULL terminated)
Server - the server to authenticate against
Return Value:
Returns the appropriate Win32 error.
--*/
{
DWORD err ;
LUID SystemId = SYSTEM_LUID ;
RpcTryExcept {
(void) NwrLogoffUser(NULL, &SystemId);
err = NwrLogonUser( NULL,
&SystemId,
AccountName,
Password,
Server,
NULL,
NULL,
0,
NW_GATEWAY_PRINT_OPTION_DEFAULT
);
}
RpcExcept(1) {
err = NwpMapRpcError( RpcExceptionCode() );
}
RpcEndExcept
return err ;
}
NTSTATUS
NwGetUserNameForServer(
PUNICODE_STRING ServerName,
PUNICODE_STRING UserName
)
/*++
Routine Description:
Calls the redir to get the User Name used to connect to the server
in question.
Arguments:
ServerName - the server in question
UserName - used to return the user name
Return Value:
Returns the appropriate NTSTATUS
--*/
{
NTSTATUS Status;
WCHAR LocalUserName[NW_MAX_USERNAME_LEN];
ULONG UserNameLen = sizeof(LocalUserName);
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING DriverName;
HANDLE RdrHandle = NULL;
IO_STATUS_BLOCK IoStatus;
//
// Initialize variables
//
RtlInitUnicodeString( &DriverName, DD_NWFS_DEVICE_NAME_U );
InitializeObjectAttributes(
&ObjectAttributes,
&DriverName,
0,
NULL,
NULL
);
//
// open handle to the redir
//
Status = NtOpenFile(
&RdrHandle,
FILE_LIST_DIRECTORY | SYNCHRONIZE,
&ObjectAttributes,
&IoStatus,
FILE_SHARE_READ,
0 // open options
);
if (!NT_SUCCESS(Status) ||
!NT_SUCCESS(IoStatus.Status) )
{
return( Status );
}
//
// Call the driver to get use the user name
//
Status = NtFsControlFile(
RdrHandle,
NULL,
NULL,
NULL,
&IoStatus,
FSCTL_NWR_GET_USERNAME,
ServerName->Buffer,
ServerName->Length,
LocalUserName,
UserNameLen
);
NtClose(RdrHandle);
if (!NT_SUCCESS(Status))
{
return(Status);
}
//
// copy the info if it fits. set size required and fail otherwise.
//
if (UserName->MaximumLength >= IoStatus.Information)
{
UserName->Length = (USHORT) IoStatus.Information;
RtlCopyMemory( UserName->Buffer,
LocalUserName,
UserNameLen );
Status = STATUS_SUCCESS;
}
else
{
UserName->Length = (USHORT) IoStatus.Information;
Status = STATUS_BUFFER_TOO_SMALL;
}
return(Status);
}
NTSTATUS
NwEncryptChallenge(
IN PUCHAR Challenge,
IN ULONG ObjectId,
IN OPTIONAL PUNICODE_STRING ServerName,
IN OPTIONAL PUNICODE_STRING Password,
OUT PUCHAR ChallengeResponse,
OUT OPTIONAL PUCHAR SessionKey
)
/*++
Routine Description:
Calls the redir to encrypt a challenge
Arguments:
Challenge - Challenge key
ObjectId - User's object ID
ServerName - The server to authenticate against
Password - Password supplied
ChallengeResponse - Used to return the challenge response
SessionKey - Used to return the session key
Return Value:
Returns the appropriate NTSTATUS
--*/
{
NTSTATUS Status;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING DriverName;
HANDLE RdrHandle = NULL;
IO_STATUS_BLOCK IoStatus;
PNWR_GET_CHALLENGE_REQUEST ChallengeRequest = NULL;
NWR_GET_CHALLENGE_REPLY ChallengeReply;
ULONG ChallengeRequestSize;
//
// Initialize variables
//
RtlInitUnicodeString( &DriverName, DD_NWFS_DEVICE_NAME_U );
InitializeObjectAttributes(
&ObjectAttributes,
&DriverName,
0,
NULL,
NULL
);
//
// open handle to redirector
//
Status = NtOpenFile(
&RdrHandle,
FILE_LIST_DIRECTORY | SYNCHRONIZE,
&ObjectAttributes,
&IoStatus,
FILE_SHARE_READ,
0 // open options
);
if (!NT_SUCCESS(Status) ||
!NT_SUCCESS(IoStatus.Status) )
{
return( Status );
}
ChallengeRequestSize = sizeof(NWR_GET_CHALLENGE_REQUEST) +
((Password != NULL) ? Password->Length : 0) +
((ServerName != NULL) ? ServerName->Length : 0);
ChallengeRequest = (PNWR_GET_CHALLENGE_REQUEST) RtlAllocateHeap(
RtlProcessHeap(),
0,
ChallengeRequestSize
);
if (ChallengeRequest == NULL )
{
Status = STATUS_INSUFFICIENT_RESOURCES;
goto Cleanup;
}
//
// Marshall the challenge request structure. Only send servername if
// password has not been specified.
//
ChallengeRequest->ObjectId = ObjectId;
ChallengeRequest->Flags = 0;
//
// If both password and servername are present, use the password.
//
if ((Password != NULL) && (Password->Length != 0))
{
ChallengeRequest->ServerNameorPasswordLength = Password->Length;
RtlCopyMemory(
ChallengeRequest->ServerNameorPassword,
Password->Buffer,
Password->Length
);
ChallengeRequest->Flags = CHALLENGE_FLAGS_PASSWORD;
}
else if ((ServerName != NULL) && (ServerName->Length != 0))
{
ChallengeRequest->ServerNameorPasswordLength = ServerName->Length;
RtlCopyMemory(
ChallengeRequest->ServerNameorPassword,
ServerName->Buffer,
ServerName->Length
);
ChallengeRequest->Flags = CHALLENGE_FLAGS_SERVERNAME;
}
RtlCopyMemory(
ChallengeRequest->Challenge,
Challenge,
8
);
//
// Issue FS control to redir to get challenge response
//
Status = NtFsControlFile(
RdrHandle,
NULL,
NULL,
NULL,
&IoStatus,
FSCTL_NWR_CHALLENGE,
ChallengeRequest,
ChallengeRequestSize,
&ChallengeReply,
sizeof(ChallengeReply)
);
if (!NT_SUCCESS(Status) || !NT_SUCCESS(IoStatus.Status)) {
goto Cleanup;
}
RtlCopyMemory(
ChallengeResponse,
ChallengeReply.Challenge,
8
);
if (SessionKey != NULL)
{
RtlCopyMemory(
ChallengeResponse,
ChallengeReply.Challenge,
8
);
}
Cleanup:
if (RdrHandle != NULL)
{
NtClose(RdrHandle);
}
if (ChallengeRequest != NULL)
{
RtlFreeHeap(
RtlProcessHeap(),
0,
ChallengeRequest
);
}
return(Status);
}