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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
// ERROR.C
//
// This file contains the functions needed to install the httpd server.
// They are as follows.
//
// getreg.c
//
// This file has the function needed to get a particular value of a key from the registry...
// 1/16/95 aruna
//
#include <windows.h>
#include "nt/ntos.h"
BOOL NS_WINAPI
REG_CheckIfKeyExists( HKEY hKey, LPCTSTR key )
{
HKEY hQueryKey;
if (RegOpenKeyEx(hKey, key, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
RegCloseKey(hQueryKey);
return TRUE;
}
BOOL NS_WINAPI
REG_GetRegistryParameter(
HKEY hKey,
LPCTSTR registryKey,
LPTSTR QueryValueName,
LPDWORD ValueType,
LPBYTE ValueBuffer,
LPDWORD ValueBufferSize
)
{
HKEY hQueryKey;
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
if (RegQueryValueEx(hQueryKey, QueryValueName, 0,
ValueType, ValueBuffer, ValueBufferSize) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
RegCloseKey(hQueryKey);
return TRUE;
}
BOOL NS_WINAPI
REG_CreateKey( HKEY hKey, LPCTSTR registryKey )
{
HKEY hNewKey;
if ( RegCreateKey (hKey, registryKey, &hNewKey) != ERROR_SUCCESS) {
return FALSE;
}
RegCloseKey(hNewKey);
return TRUE;
}
BOOL NS_WINAPI
REG_DeleteKey( HKEY hKey, LPCTSTR registryKey )
{
HKEY hQueryKey;
DWORD dwNumberOfSubKeys;
char registrySubKey[256];
DWORD i;
/* if key does not exist, then consider it deleted */
if ( !REG_CheckIfKeyExists( hKey, registryKey ) )
return TRUE;
if ( !REG_GetSubKeysInfo( hKey, registryKey, &dwNumberOfSubKeys, NULL ) )
return FALSE;
if ( dwNumberOfSubKeys ) {
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
// loop through all sub keys and delete the subkeys (recursion)
for ( i=0; i<dwNumberOfSubKeys; i++ ) {
if ( RegEnumKey( hQueryKey, 0, registrySubKey, sizeof(registrySubKey) ) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
if ( !REG_DeleteKey( hQueryKey, registrySubKey ) ) {
RegCloseKey(hQueryKey);
return FALSE;
}
}
RegCloseKey(hQueryKey);
}
if ( RegDeleteKey (hKey, registryKey) != ERROR_SUCCESS) {
return FALSE;
}
return TRUE;
}
BOOL NS_WINAPI
REG_GetSubKey( HKEY hKey, LPCTSTR registryKey, DWORD nSubKeyIndex, LPTSTR registrySubKeyBuffer, DWORD subKeyBufferSize )
{
HKEY hQueryKey;
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
if ( RegEnumKey( hQueryKey, nSubKeyIndex, registrySubKeyBuffer, subKeyBufferSize ) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
RegCloseKey(hQueryKey);
return TRUE;
}
BOOL NS_WINAPI
REG_GetSubKeysInfo( HKEY hKey, LPCTSTR registryKey, LPDWORD lpdwNumberOfSubKeys, LPDWORD lpdwMaxSubKeyLength )
{
HKEY hQueryKey;
char szClass[256]; // address of buffer for class string
DWORD cchClass; // address of size of class string buffer
DWORD cSubKeys; // address of buffer for number of subkeys
DWORD cchMaxSubkey; // address of buffer for longest subkey name length
DWORD cchMaxClass; // address of buffer for longest class string length
DWORD cValues; // address of buffer for number of value entries
DWORD cchMaxValueName; // address of buffer for longest value name length
DWORD cbMaxValueData; // address of buffer for longest value data length
DWORD cbSecurityDescriptor; // address of buffer for security descriptor length
FILETIME ftLastWriteTime; // address of buffer for last write time
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
if ( RegQueryInfoKey( hQueryKey, // handle of key to query
(char*)&szClass, // address of buffer for class string
&cchClass, // address of size of class string buffer
NULL, // reserved
&cSubKeys, // address of buffer for number of subkeys
&cchMaxSubkey, // address of buffer for longest subkey name length
&cchMaxClass, // address of buffer for longest class string length
&cValues, // address of buffer for number of value entries
&cchMaxValueName, // address of buffer for longest value name length
&cbMaxValueData, // address of buffer for longest value data length
&cbSecurityDescriptor, // address of buffer for security descriptor length
&ftLastWriteTime // address of buffer for last write time
) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
// return desired information
if ( lpdwNumberOfSubKeys )
*lpdwNumberOfSubKeys = cSubKeys;
if ( lpdwMaxSubKeyLength )
*lpdwMaxSubKeyLength = cchMaxSubkey;
RegCloseKey(hQueryKey);
return TRUE;
}
BOOL NS_WINAPI
REG_SetRegistryParameter(
HKEY hKey,
LPCTSTR registryKey,
LPTSTR valueName,
DWORD valueType,
LPCTSTR ValueString,
DWORD valueStringLength
)
{
HKEY hQueryKey;
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
if ( RegSetValueEx( hQueryKey, valueName, 0, valueType, (CONST BYTE *)ValueString,
valueStringLength ) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
RegCloseKey(hQueryKey);
return TRUE;
}
BOOL NS_WINAPI
REG_DeleteValue( HKEY hKey, LPCTSTR registryKey, LPCSTR valueName )
{
HKEY hQueryKey;
DWORD ValueBufferSize = 256;
char ValueBuffer[256];
DWORD i, ValueType;
/* if key does not exist, then consider it deleted */
if (RegOpenKeyEx(hKey, registryKey, 0, KEY_ALL_ACCESS,
&hQueryKey) != ERROR_SUCCESS) {
return FALSE;
}
/* if valuename does not exist, then consider it deleted */
if (RegQueryValueEx(hQueryKey, valueName, 0,
&ValueType, ValueBuffer, &ValueBufferSize) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return TRUE;
}
if (RegDeleteValue(hQueryKey, valueName) != ERROR_SUCCESS) {
RegCloseKey(hQueryKey);
return FALSE;
}
RegCloseKey(hQueryKey);
return TRUE;
}
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