Source code of Windows XP (NT5)
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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1997.
//
// File: util.c
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 5-21-97 RichardW Created
//
//----------------------------------------------------------------------------
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <ntlsa.h>
#include <windows.h>
#include <userenv.h>
#include <userenvp.h>
#include <lm.h>
#include "moveme.h"
#define USER_SHELL_FOLDER TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\User Shell Folders")
#define PROFILE_LIST_PATH TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion\\ProfileList")
#define PROFILE_FLAGS TEXT("Flags")
#define PROFILE_STATE TEXT("State")
#define PROFILE_IMAGE_VALUE_NAME TEXT("ProfileImagePath")
#define PROFILE_CENTRAL_PROFILE TEXT("CentralProfile")
#define CONFIG_FILE_PATH TEXT("%SystemRoot%\\Profiles\\")
#define USER_PREFERENCE TEXT("UserPreference")
#define PROFILE_BUILD_NUMBER TEXT("BuildNumber")
#define TEMP_PROFILE_NAME_BASE TEXT("TEMP")
#define DELETE_ROAMING_CACHE TEXT("DeleteRoamingCache")
#define USER_PROFILE_MUTEX TEXT("userenv: User Profile Mutex")
LPTSTR
SidToString(
PSID Sid
)
{
UNICODE_STRING String ;
NTSTATUS Status ;
Status = RtlConvertSidToUnicodeString( &String, Sid, TRUE );
if ( NT_SUCCESS( Status ) )
{
return String.Buffer ;
}
return NULL ;
}
VOID
FreeSidString(
LPTSTR SidString
)
{
UNICODE_STRING String ;
RtlInitUnicodeString( &String, SidString );
RtlFreeUnicodeString( &String );
}
//*************************************************************
//
// GetUserProfileDirectory()
//
// Purpose: Returns the root of the user's profile directory.
//
// Parameters: hToken - User's token
// lpProfileDir - Output buffer
// lpcchSize - Size of output buffer
//
// Return: TRUE if successful
// FALSE if an error occurs
//
// Comments: If false is returned, lpcchSize holds the number of
// characters needed.
//
// History: Date Author Comment
// 9/18/95 ericflo Created
//
//*************************************************************
BOOL
WINAPI
GetUserProfileDirectoryFromSid(
PSID Sid,
LPTSTR lpProfileDir,
LPDWORD lpcchSize
)
{
DWORD dwLength = MAX_PATH * sizeof(TCHAR);
DWORD dwType;
BOOL bRetVal = FALSE;
LPTSTR lpSidString;
TCHAR szBuffer[MAX_PATH];
TCHAR szDirectory[MAX_PATH];
HKEY hKey;
LONG lResult;
//
// Retrieve the user's sid string
//
lpSidString = SidToString( Sid );
if (!lpSidString) {
return FALSE;
}
//
// Check the registry
//
lstrcpy(szBuffer, PROFILE_LIST_PATH);
lstrcat(szBuffer, TEXT("\\"));
lstrcat(szBuffer, lpSidString);
lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ,
&hKey);
if (lResult != ERROR_SUCCESS) {
FreeSidString(lpSidString);
return FALSE;
}
lResult = RegQueryValueEx(hKey,
PROFILE_IMAGE_VALUE_NAME,
NULL,
&dwType,
(LPBYTE) szBuffer,
&dwLength);
if (lResult != ERROR_SUCCESS) {
RegCloseKey (hKey);
FreeSidString(lpSidString);
return FALSE;
}
//
// Clean up
//
RegCloseKey(hKey);
FreeSidString(lpSidString);
//
// Expand and get the length of string
//
ExpandEnvironmentStrings(szBuffer, szDirectory, MAX_PATH);
dwLength = lstrlen(szDirectory) + 1;
//
// Save the string if appropriate
//
if (lpProfileDir) {
if (*lpcchSize >= dwLength) {
lstrcpy (lpProfileDir, szDirectory);
bRetVal = TRUE;
} else {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
}
}
*lpcchSize = dwLength;
return bRetVal;
}
BOOL
SetUserProfileDirectory(
PSID Base,
PSID Copy
)
{
LPTSTR lpSidString;
TCHAR szBuffer[MAX_PATH];
HKEY hKey;
HKEY hNewKey ;
LONG lResult;
DWORD Disp ;
WCHAR CopyBuffer[ MAX_PATH ] ;
DWORD CopySize ;
DWORD ValueCount ;
DWORD ValueNameLen ;
DWORD ValueDataLen ;
PUCHAR Value ;
DWORD Type ;
DWORD Index ;
DWORD NameSize ;
//
// Retrieve the user's sid string
//
lpSidString = SidToString( Base );
if (!lpSidString) {
return FALSE;
}
//
// Check the registry
//
lstrcpy(szBuffer, PROFILE_LIST_PATH);
lstrcat(szBuffer, TEXT("\\"));
lstrcat(szBuffer, lpSidString);
lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szBuffer, 0, KEY_READ,
&hKey);
FreeSidString( lpSidString );
if ( lResult != 0 )
{
return FALSE ;
}
//
// Retrieve the user's sid string
//
lpSidString = SidToString( Copy );
if (!lpSidString) {
return FALSE;
}
//
// Check the registry
//
lstrcpy(szBuffer, PROFILE_LIST_PATH);
lstrcat(szBuffer, TEXT("\\"));
lstrcat(szBuffer, lpSidString);
lResult = RegCreateKeyEx( HKEY_LOCAL_MACHINE,
szBuffer,
0,
TEXT(""),
REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE,
NULL,
&hNewKey,
&Disp );
FreeSidString( lpSidString );
if ( lResult != 0 )
{
return FALSE ;
}
//
// Copy Key:
//
lResult = RegQueryInfoKey( hKey,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
&ValueCount,
&ValueNameLen,
&ValueDataLen,
NULL,
NULL );
if ( lResult != 0 )
{
return FALSE ;
}
Value = LocalAlloc( LMEM_FIXED, ValueDataLen );
if ( Value )
{
Index = 0 ;
do
{
CopySize = ValueDataLen ;
NameSize = MAX_PATH ;
lResult = RegEnumValue( hKey,
Index,
CopyBuffer,
&NameSize,
NULL,
&Type,
Value,
&CopySize );
if ( lResult == 0 )
{
lResult = RegSetValueEx( hNewKey,
CopyBuffer,
0,
Type,
Value,
CopySize );
}
ValueCount-- ;
Index ++ ;
} while ( ValueCount );
LocalFree( Value );
}
lResult = RegSetValueEx( hNewKey,
TEXT("Sid"),
0,
REG_BINARY,
Copy,
RtlLengthSid( Copy )
);
if (lResult == 0) {
return TRUE;
} else {
return FALSE;
}
}
LONG
MyRegSaveKey(
HKEY Key,
LPTSTR File,
LPSECURITY_ATTRIBUTES lpsa
)
{
BOOL bResult = TRUE;
LONG error;
NTSTATUS Status;
BOOLEAN WasEnabled;
//
// Enable the restore privilege
//
Status = RtlAdjustPrivilege(SE_BACKUP_PRIVILEGE, TRUE, FALSE, &WasEnabled);
if (NT_SUCCESS(Status))
{
error = RegSaveKey( Key, File, lpsa );
Status = RtlAdjustPrivilege(SE_BACKUP_PRIVILEGE, WasEnabled, FALSE, &WasEnabled);
}
else
{
error = RtlNtStatusToDosError( Status );
}
return error ;
}
BOOL
GetPrimaryDomain(
PWSTR Domain
)
{
NTSTATUS Status, IgnoreStatus;
OBJECT_ATTRIBUTES ObjectAttributes;
LSA_HANDLE LsaHandle;
SECURITY_QUALITY_OF_SERVICE SecurityQualityOfService;
PPOLICY_PRIMARY_DOMAIN_INFO PrimaryDomainInfo;
BOOL PrimaryDomainPresent = FALSE;
//
// Set up the Security Quality Of Service
//
SecurityQualityOfService.Length = sizeof(SECURITY_QUALITY_OF_SERVICE);
SecurityQualityOfService.ImpersonationLevel = SecurityImpersonation;
SecurityQualityOfService.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
SecurityQualityOfService.EffectiveOnly = FALSE;
//
// Set up the object attributes to open the Lsa policy object
//
InitializeObjectAttributes(&ObjectAttributes,
NULL,
0L,
(HANDLE)NULL,
NULL);
ObjectAttributes.SecurityQualityOfService = &SecurityQualityOfService;
//
// Open the local LSA policy object
//
Status = LsaOpenPolicy( NULL,
&ObjectAttributes,
POLICY_VIEW_LOCAL_INFORMATION,
&LsaHandle
);
if (!NT_SUCCESS(Status)) {
DebugLog((DEB_ERROR, "Failed to open local LsaPolicyObject, Status = 0x%lx\n", Status));
return(FALSE);
}
//
// Get the primary domain info
//
Status = LsaQueryInformationPolicy(LsaHandle,
PolicyPrimaryDomainInformation,
(PVOID *)&PrimaryDomainInfo);
if (!NT_SUCCESS(Status)) {
DebugLog((DEB_ERROR, "Failed to query primary domain from Lsa, Status = 0x%lx\n", Status));
IgnoreStatus = LsaClose(LsaHandle);
ASSERT(NT_SUCCESS(IgnoreStatus));
return(FALSE);
}
//
// Copy the primary domain name into the return string
//
if (PrimaryDomainInfo->Sid != NULL) {
PrimaryDomainPresent = TRUE;
if ( Domain )
{
CopyMemory( Domain, PrimaryDomainInfo->Name.Buffer,
PrimaryDomainInfo->Name.Length + 2 );
}
}
//
// We're finished with the Lsa
//
IgnoreStatus = LsaFreeMemory(PrimaryDomainInfo);
ASSERT(NT_SUCCESS(IgnoreStatus));
IgnoreStatus = LsaClose(LsaHandle);
ASSERT(NT_SUCCESS(IgnoreStatus));
return(PrimaryDomainPresent);
}