diff options
Diffstat (limited to 'util/w32reg.c')
| -rw-r--r-- | util/w32reg.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/util/w32reg.c b/util/w32reg.c deleted file mode 100644 index 5391c8027..000000000 --- a/util/w32reg.c +++ /dev/null @@ -1,171 +0,0 @@ -/* w32reg.c - MS-Windows Registry access - * Copyright (C) 1999, 2002 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include <config.h> -#if defined (__MINGW32__) || defined (__CYGWIN32__) - /* This module is only used in this environment */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdarg.h> -#include <windows.h> -#include "util.h" -#include "memory.h" - -static HKEY -get_root_key(const char *root) -{ - HKEY root_key; - - if( !root ) - root_key = HKEY_CURRENT_USER; - else if( !strcmp( root, "HKEY_CLASSES_ROOT" ) ) - root_key = HKEY_CLASSES_ROOT; - else if( !strcmp( root, "HKEY_CURRENT_USER" ) ) - root_key = HKEY_CURRENT_USER; - else if( !strcmp( root, "HKEY_LOCAL_MACHINE" ) ) - root_key = HKEY_LOCAL_MACHINE; - else if( !strcmp( root, "HKEY_USERS" ) ) - root_key = HKEY_USERS; - else if( !strcmp( root, "HKEY_PERFORMANCE_DATA" ) ) - root_key = HKEY_PERFORMANCE_DATA; - else if( !strcmp( root, "HKEY_CURRENT_CONFIG" ) ) - root_key = HKEY_CURRENT_CONFIG; - else - return NULL; - - return root_key; -} - - -/**************** - * Return a string from the Win32 Registry or NULL in case of - * error. Caller must release the return value. A NULL for root - * is an alias for HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE in turn. - * NOTE: The value is allocated with a plain malloc() - use free() and not - * the usual m_free()!!! - */ -char * -read_w32_registry_string( const char *root, const char *dir, const char *name ) -{ - HKEY root_key, key_handle; - DWORD n1, nbytes, type; - char *result = NULL; - - if ( !(root_key = get_root_key(root) ) ) - return NULL; - - if( RegOpenKeyEx( root_key, dir, 0, KEY_READ, &key_handle ) ) - { - if (root) - return NULL; /* no need for a RegClose, so return direct */ - /* It seems to be common practise to fall back to HLM. */ - if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, dir, 0, KEY_READ, &key_handle) ) - return NULL; /* still no need for a RegClose, so return direct */ - } - - nbytes = 1; - if( RegQueryValueEx( key_handle, name, 0, NULL, NULL, &nbytes ) ) - goto leave; - result = malloc( (n1=nbytes+1) ); - if( !result ) - goto leave; - if( RegQueryValueEx( key_handle, name, 0, &type, result, &n1 ) ) { - free(result); result = NULL; - goto leave; - } - result[nbytes] = 0; /* make sure it is really a string */ - if (type == REG_EXPAND_SZ && strchr (result, '%')) { - char *tmp; - - n1 += 1000; - tmp = malloc (n1+1); - if (!tmp) - goto leave; - nbytes = ExpandEnvironmentStrings (result, tmp, n1); - if (nbytes && nbytes > n1) { - free (tmp); - tmp = malloc (n1 + 1); - if (!tmp) - goto leave; - nbytes = ExpandEnvironmentStrings (result, tmp, n1); - if (nbytes && nbytes > n1) { - free (tmp); /* oops - truncated, better don't expand at all */ - goto leave; - } - tmp[nbytes] = 0; - free (result); - result = tmp; - } - else if (nbytes) { /* okay, reduce the length */ - tmp[nbytes] = 0; - free (result); - result = malloc (strlen (tmp)+1); - if (!result) - result = tmp; - else { - strcpy (result, tmp); - free (tmp); - } - } - else { /* error - don't expand */ - free (tmp); - } - } - - leave: - RegCloseKey( key_handle ); - return result; -} - - -int -write_w32_registry_string(const char *root, const char *dir, - const char *name, const char *value) -{ - HKEY root_key, reg_key; - - if ( !(root_key = get_root_key(root) ) ) - return -1; - - if ( RegOpenKeyEx( root_key, dir, 0, KEY_WRITE, ®_key ) - != ERROR_SUCCESS ) - return -1; - - if ( RegSetValueEx( reg_key, name, 0, REG_SZ, (BYTE *)value, - strlen( value ) ) != ERROR_SUCCESS ) { - if ( RegCreateKey( root_key, name, ®_key ) != ERROR_SUCCESS ) { - RegCloseKey(reg_key); - return -1; - } - if ( RegSetValueEx( reg_key, name, 0, REG_SZ, (BYTE *)value, - strlen( value ) ) != ERROR_SUCCESS ) { - RegCloseKey(reg_key); - return -1; - } - } - - RegCloseKey( reg_key ); - - return 0; -} - -#endif /* __MINGW32__ || __CYGWIN32__ */ |