diff options
Diffstat (limited to 'lib/libnt/registry.c')
| -rw-r--r-- | lib/libnt/registry.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/lib/libnt/registry.c b/lib/libnt/registry.c new file mode 100644 index 00000000..2e6ec639 --- /dev/null +++ b/lib/libnt/registry.c @@ -0,0 +1,242 @@ +/** BEGIN COPYRIGHT BLOCK + * Copyright 2001 Sun Microsystems, Inc. + * Portions copyright 1999, 2001-2003 Netscape Communications Corporation. + * 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; +} |