windows-nt/Source/XPSP1/NT/base/remoteboot/cleanri/cleanri.c
2020-09-26 16:20:57 +08:00

309 lines
7.3 KiB
C

/*
This is cleanri
*/
#include <windows.h>
#include <winldap.h>
#include <dsgetdc.h>
#define SECURITY_WIN32
#include <security.h>
#include "resource.h"
HINSTANCE g_hInstance = NULL;
#ifdef DBG
#define DebugOut OutputDebugString
#else
#define DebugOut 1 ? (void)0 : (void)
#endif
#define ARRAYSIZE( array ) sizeof( array ) / sizeof(( array )[ 0 ] )
//
// Ldap_InitializeConnection( )
//
DWORD
Ldap_InitializeConnection(
PLDAP * LdapHandle )
{
PLDAPMessage OperationalAttributeLdapMessage;
PLDAPMessage CurrentEntry;
DWORD LdapError = LDAP_SUCCESS;
if ( !( *LdapHandle ) ) {
ULONG temp = DS_DIRECTORY_SERVICE_REQUIRED |
DS_IP_REQUIRED |
DS_GC_SERVER_REQUIRED;
DebugOut( L"Initializing LDAP connection.\n" );
*LdapHandle = ldap_init( NULL, LDAP_PORT);
if ( !*LdapHandle )
{
DebugOut( L"ldap_init() failed.\n" );
LdapError = LDAP_UNAVAILABLE;
goto e0;
}
ldap_set_option( *LdapHandle, LDAP_OPT_GETDSNAME_FLAGS, &temp );
temp = LDAP_VERSION3;
ldap_set_option( *LdapHandle, LDAP_OPT_VERSION, &temp );
LdapError = ldap_connect( *LdapHandle, 0 );
if ( LdapError != LDAP_SUCCESS )
{
DebugOut( L"ldap_connect() failed.\n" );
goto e1;
}
LdapError = ldap_bind_s( *LdapHandle, NULL, NULL, LDAP_AUTH_SSPI );
if ( LdapError != LDAP_SUCCESS )
{
DebugOut( L"ldap_bind_s() failed.\n" );
goto e1;
}
}
DebugOut( L"LDAP initialization succeeded.\n" );
e0:
return LdapError;
e1:
ldap_unbind( *LdapHandle );
*LdapHandle = NULL;
goto e0;
}
void
ErrorMessage(
ULONG LdapError )
{
WCHAR szTmp[ 512 ];
WCHAR szText[ 512 ];
WCHAR szTitle[ 64 ];
LoadString( g_hInstance, IDS_UNABLE_TITLE, szTitle, ARRAYSIZE(szTitle) );
LoadString( g_hInstance, IDS_UNABLE_TEXT, szTmp, ARRAYSIZE(szTmp) );
wsprintf( szText, szTmp, LdapError );
MessageBox( NULL, szText, szTitle, MB_OK );
}
//
// WinMain()
//
int APIENTRY
WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
LPWSTR pszDN = NULL;
LPWSTR *ppszDN = NULL;
PLDAP LdapHandle = NULL;
PLDAPMessage LdapMessage = NULL;
int iErr = -1;
ULONG nSize;
ULONG LdapError;
LPWSTR pszAttributes[ 2 ];
DWORD dwCount;
PLDAPMessage LdapCurrent;
g_hInstance = hInstance;
if ( !GetComputerObjectName( NameFullyQualifiedDN, NULL, &nSize ) )
{
DebugOut( L"GetComputerObjectName() failed.\n" );
iErr = -2;
goto Cleanup;
}
DebugOut( L"Got GetComputerObjectName() nSize.\n" );
pszDN = (LPWSTR) LocalAlloc( LMEM_FIXED, nSize * sizeof(WCHAR) );
if ( !pszDN )
{
DebugOut( L"Out of memory.\n" );
iErr = -3;
goto Cleanup;
}
DebugOut( L"Allocated memory.\n" );
if ( !GetComputerObjectName( NameFullyQualifiedDN, pszDN, &nSize ) )
{
DebugOut( L"GetComputerObjectName() failed.\n" );
iErr = -4;
goto Cleanup;
}
DebugOut( L"Got GetComputerObjectName().\n" );
DebugOut( L"Computer DN: " );
DebugOut( pszDN );
DebugOut( L"\n" );
if ( Ldap_InitializeConnection( &LdapHandle ) )
{
DebugOut( L"Ldap failed to initialize.\n" );
iErr = -5;
goto Cleanup;
}
DebugOut( L"Ldap initialized.\n" );
pszAttributes[0] = L"netbootSCPBL";
pszAttributes[1] = NULL;
TrySearchAgain:
LdapError = ldap_search_ext_s( LdapHandle,
pszDN,
LDAP_SCOPE_BASE,
L"objectClass=Computer",
pszAttributes,
FALSE,
NULL,
NULL,
NULL,
0,
&LdapMessage );
switch( LdapError )
{
case LDAP_SUCCESS:
break;
case LDAP_BUSY:
case LDAP_TIMEOUT:
DebugOut( L"ldap_search_ext_s() failed. Trying again.\n" );
goto TrySearchAgain;
default:
DebugOut( L"ldap_search_ext_s() failed. Displaying pop-up.\n" );
ErrorMessage( LdapError );
iErr = -6;
goto Cleanup;
}
DebugOut( L"ldap_search_ext_s() succeeded.\n" );
dwCount = ldap_count_entries( LdapHandle, LdapMessage );
if ( dwCount == 0 )
{
DebugOut( L"ldap_search_ext_s() returned a count of zero. Nothing to do.\n" );
iErr = -7;
goto Cleanup; // NOP
}
DebugOut( L"ldap_search_ext_s() found an SCP.\n" );
LdapCurrent = ldap_first_entry( LdapHandle, LdapMessage );
if ( !LdapCurrent )
{
DebugOut( L"Couldn't retrieve the first entry. Aborting...\n" );
iErr = -8;
goto Cleanup;
}
ppszDN = ldap_get_values( LdapHandle, LdapCurrent, L"netbootSCPBL");
if ( !ppszDN )
{
DebugOut( L"No DN to SCP. How did we did we get here then?\n" );
iErr = -9;
goto Cleanup;
}
DebugOut( L"SCP DN: " );
DebugOut( *ppszDN );
DebugOut( L"\n" );
TryDeleteAgain:
LdapError = ldap_delete_s( LdapHandle, *ppszDN );
switch ( LdapError )
{
case LDAP_SUCCESS:
break;
case LDAP_BUSY:
case LDAP_TIMEOUT:
DebugOut( L"ldap_delete_s() failed. Trying again.\n" );
goto TryDeleteAgain;
default:
{
LPWSTR pszExtendedError;
DebugOut( L"ldap_delete_s() failed. Displaying pop-up.\n" );
ldap_get_option(LdapHandle, LDAP_OPT_SERVER_ERROR, (void *) &pszExtendedError);
DebugOut( L"Extended Error: " );
DebugOut( pszExtendedError );
DebugOut( L"\n" );
ErrorMessage( LdapError );
iErr = -9;
goto Cleanup;
}
}
DebugOut( L"SCP deletion succeeded.\n" );
iErr = ERROR_SUCCESS;
Cleanup:
DebugOut( L"Cleaning up...\n" );
if ( ppszDN )
ldap_value_free( ppszDN );
if ( LdapMessage )
ldap_msgfree( LdapMessage );
if ( LdapHandle )
ldap_unbind( LdapHandle );
if ( pszDN )
LocalFree( pszDN );
return iErr;
}
// stolen from the CRT, used to shrink our working set
int _stdcall ModuleEntry(void)
{
int i;
STARTUPINFOA si;
LPSTR pszCmdLine = GetCommandLineA();
if ( *pszCmdLine == '\"' )
{
/*
* Scan, and skip over, subsequent characters until
* another double-quote or a null is encountered.
*/
while ( *++pszCmdLine && (*pszCmdLine != '\"') );
/*
* If we stopped on a double-quote (usual case), skip
* over it.
*/
if ( *pszCmdLine == '\"' )
pszCmdLine++;
}
else
{
while (*pszCmdLine > ' ')
pszCmdLine++;
}
/*
* Skip past any white space preceeding the second token.
*/
while (*pszCmdLine && (*pszCmdLine <= ' '))
{
pszCmdLine++;
}
si.dwFlags = 0;
GetStartupInfoA(&si);
i = WinMain(GetModuleHandle(NULL), NULL, pszCmdLine,
si.dwFlags & STARTF_USESHOWWINDOW ? si.wShowWindow : SW_SHOWDEFAULT);
ExitProcess(i);
return i; // We never come here.
}