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windows-nt/Source/XPSP1/NT/termsrv/admtools/c2config/c2funcs/audtfail.c

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/*++
Copyright (c) 1994 Microsoft Corporation
Module Name:
audtfail.C
Abstract:
functions used to set the Crash on audit Fail paramter
on the current system.
Author:
Bob Watson (a-robw)
Revision History:
23 Dec 94
--*/
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <c2dll.h>
#include <c2inc.h>
#include <c2utils.h>
#include "c2funcs.h"
#include "c2funres.h"
// local constants
// define action codes here. They are only meaningful in the
// context of this module.
#define AC_AUDITFAIL_NOCHANGE 0
#define AC_AUDITFAIL_SET_CRASH 1
#define AC_AUDITFAIL_SET_NOCRASH 2
#define SECURE C2DLL_SECURE
static
BOOL
SetAuditFailSetting (
DWORD dwNewValue
)
{
HKEY hKeyLsa = NULL;
LONG lStatus = ERROR_SUCCESS;
BOOL bReturn = FALSE;
SET_WAIT_CURSOR;
lStatus = RegOpenKeyEx (HKEY_LOCAL_MACHINE,
GetStringResource (GetDllInstance(), IDS_LSA_KEY),
0L,
KEY_SET_VALUE,
&hKeyLsa);
if (lStatus == ERROR_SUCCESS) {
// key opened OK so set value
lStatus = RegSetValueEx (
hKeyLsa,
GetStringResource (GetDllInstance(), IDS_AUDIT_FAIL_VALUE),
0L,
REG_DWORD,
(CONST LPBYTE)&dwNewValue,
sizeof(DWORD));
if (lStatus == ERROR_SUCCESS) {
bReturn = TRUE;
} else {
bReturn = FALSE;
}
RegCloseKey (hKeyLsa);
} else {
bReturn = FALSE;
SetLastError (ERROR_BADKEY);
}
SET_ARROW_CURSOR;
return bReturn;
}
static
BOOL
GetAuditFailSetting (
)
{
HKEY hKeyLsa = NULL;
LONG lStatus = ERROR_SUCCESS;
DWORD dwType = 0;
DWORD dwValue = 0;
DWORD dwValueSize = sizeof(DWORD);
BOOL bReturn = FALSE;
SET_WAIT_CURSOR;
lStatus = RegOpenKeyEx (HKEY_LOCAL_MACHINE,
GetStringResource (GetDllInstance(), IDS_LSA_KEY),
0L,
KEY_READ,
&hKeyLsa);
if (lStatus == ERROR_SUCCESS) {
// key opened OK so check value
lStatus = RegQueryValueEx (
hKeyLsa,
(LPTSTR)GetStringResource (GetDllInstance(), IDS_AUDIT_FAIL_VALUE),
(LPDWORD)NULL,
&dwType,
(LPBYTE)&dwValue,
&dwValueSize);
if (lStatus == ERROR_SUCCESS) {
// value read successfully so check it out
if (dwType == REG_DWORD) {
// check value. The "C2" value is 1, any
// other value is NOT C2
if (dwValue == 1) {
bReturn = TRUE;
} else {
bReturn = FALSE;
}
SetLastError (ERROR_SUCCESS);
} else {
// wrong data type returned
bReturn = FALSE;
SetLastError (ERROR_CANTREAD);
}
} else {
// no value present
bReturn = FALSE;
SetLastError (ERROR_CANTREAD);
}
RegCloseKey (hKeyLsa);
} else {
bReturn = FALSE;
SetLastError (ERROR_BADKEY);
}
SET_ARROW_CURSOR;
return bReturn;
}
BOOL CALLBACK
C2AuditFailDlgProc(
IN HWND hDlg, // window handle of the dialog box
IN UINT message, // type of message
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Window procedure for Audit Failure dialog box
Arguments:
Standard DlgProc arguments
ReturnValue:
TRUE the message was handled by this routine
FALSE DefDialogProc should handle the message
--*/
{
static LPDWORD lpdwNewValue;
DWORD dwLogSetting = 0;
switch (message) {
case WM_INITDIALOG:
// save the pointer to the new value
lpdwNewValue = (LPDWORD)lParam;
// get Audit failure settings
CheckDlgButton (hDlg, IDC_HALT_WHEN_LOG_FULL,
(GetAuditFailSetting() ? CHECKED : UNCHECKED));
SetFocus (GetDlgItem (hDlg, IDOK)); // set focus to OK Button
return FALSE; // we don't want Windows to set the focus
case WM_COMMAND:
switch (LOWORD(wParam)){
case IDOK:
if (HIWORD(wParam) == BN_CLICKED) {
// exit and return button that caused exit
if (IsDlgButtonChecked (hDlg, IDC_HALT_WHEN_LOG_FULL) == CHECKED) {
*lpdwNewValue = TRUE;
EndDialog (hDlg, (int)LOWORD(wParam));
} else {
*lpdwNewValue = FALSE;
EndDialog (hDlg, (int)LOWORD(wParam));
}
return TRUE;
} else {
return FALSE;
}
case IDCANCEL:
if (HIWORD(wParam) == BN_CLICKED) {
// exit and return button that caused exit
*lpdwNewValue = 0;
EndDialog (hDlg, (int)LOWORD(wParam));
return TRUE;
} else {
return FALSE;
}
case IDC_C2:
if (HIWORD(wParam) == BN_CLICKED) {
CheckDlgButton (hDlg, IDC_HALT_WHEN_LOG_FULL, CHECKED);
return TRUE;
} else {
return FALSE;
}
case IDC_HELP:
PostMessage (GetParent(hDlg), UM_SHOW_CONTEXT_HELP, 0, 0);
return TRUE;
default:
return FALSE;
}
default:
return (FALSE); // Didn't process the message
}
}
LONG
C2QueryCrashAuditFail (
IN LPARAM lParam
)
/*++
Routine Description:
Function called to find out if the OS/2 subsystem is installed
on the system. For C2 compliance, OS/2 must not be
allowed on the system.
Arguments:
Pointer to the Dll data block passed as an LPARAM.
ReturnValue:
ERROR_SUCCESS if the function succeeds otherwise a
WIN32 error is returned if an error occurs
--*/
{
PC2DLL_DATA pC2Data;
DWORD dwLogSetting = 0;
UINT nMsgString;
if (lParam != 0) {
pC2Data = (PC2DLL_DATA)lParam;
pC2Data->lC2Compliance = SECURE; // assume true for now
if (GetAuditFailSetting()) {
pC2Data->lC2Compliance = SECURE;
nMsgString = IDS_AUDIT_FAIL_CRASH;
} else {
pC2Data->lC2Compliance = C2DLL_NOT_SECURE;
nMsgString = IDS_AUDIT_FAIL_NO_CRASH;
}
lstrcpy (pC2Data->szStatusName,
GetStringResource (GetDllInstance(), nMsgString));
} else {
return ERROR_BAD_ARGUMENTS;
}
return ERROR_SUCCESS;
}
LONG
C2SetCrashAuditFail (
IN LPARAM lParam
)
/*++
Routine Description:
Function called to change the current state of this configuration
item based on an action code passed in the DLL data block. If
this function successfully sets the state of the configuration
item, then the C2 Compliance flag and the Status string to reflect
the new value of the configuration item.
Arguments:
Pointer to the Dll data block passed as an LPARAM.
ReturnValue:
ERROR_SUCCESS if the function succeeds otherwise a
WIN32 error is returned if an error occurs
--*/
{
PC2DLL_DATA pC2Data;
UINT nMsgString;
if (lParam != 0) {
pC2Data = (PC2DLL_DATA)lParam;
// action valie = the new value of the wrap setting
if (pC2Data->lActionCode != AC_AUDITFAIL_NOCHANGE) {
nMsgString = 0;
if (pC2Data->lActionCode == AC_AUDITFAIL_SET_CRASH) {
if (SetAuditFailSetting (1)) {
pC2Data->lC2Compliance = SECURE;
nMsgString = IDS_AUDIT_FAIL_CRASH;
} else {
DisplayDllMessageBox (
pC2Data->hWnd,
IDS_AUDIT_ERROR_NO_SET,
IDS_AUDIT_CAPTION,
MBOK_EXCLAIM);
}
} else if (pC2Data->lActionCode == AC_AUDITFAIL_SET_NOCRASH) {
if (SetAuditFailSetting (0)) {
pC2Data->lC2Compliance = C2DLL_NOT_SECURE;
nMsgString = IDS_AUDIT_FAIL_NO_CRASH;
} else {
DisplayDllMessageBox (
pC2Data->hWnd,
IDS_AUDIT_ERROR_NO_SET,
IDS_AUDIT_CAPTION,
MBOK_EXCLAIM);
}
}
if (nMsgString != 0) {
// update status string if set was successful
lstrcpy (pC2Data->szStatusName,
GetStringResource (GetDllInstance(), nMsgString));
}
}
// update action values
pC2Data->lActionCode = 0;
pC2Data->lActionValue = 0;
} else {
return ERROR_BAD_ARGUMENTS;
}
return ERROR_SUCCESS;
}
LONG
C2DisplayCrashAuditFail (
IN LPARAM lParam
)
/*++
Routine Description:
Function called to display more information on the configuration
item and provide the user with the option to change the current
setting (if appropriate). If the User "OK's" out of the UI,
then the action code field in the DLL data block is set to the
appropriate (and configuration item-specific) action code so the
"Set" function can be called to perform the desired action. If
the user Cancels out of the UI, then the Action code field is
set to 0 (no action) and no action is performed.
Arguments:
Pointer to the Dll data block passed as an LPARAM.
ReturnValue:
ERROR_SUCCESS if the function succeeds otherwise a
WIN32 error is returned if an error occurs
--*/
{
PC2DLL_DATA pC2Data;
DWORD dwNewValue;
if (lParam != 0) {
pC2Data = (PC2DLL_DATA)lParam;
if (DialogBoxParam (
GetDllInstance(),
MAKEINTRESOURCE (IDD_AUDIT_FAIL),
pC2Data->hWnd,
C2AuditFailDlgProc,
(LPARAM)&dwNewValue) == IDOK) {
pC2Data->lActionValue = 0;
if (dwNewValue) {
pC2Data->lActionCode = AC_AUDITFAIL_SET_CRASH;
} else {
pC2Data->lActionCode = AC_AUDITFAIL_SET_NOCRASH;
}
} else {
// no action
pC2Data->lActionCode = AC_AUDITFAIL_NOCHANGE;
}
} else {
return ERROR_BAD_ARGUMENTS;
}
return ERROR_SUCCESS;
}


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