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Diffstat (limited to 'jnlib/w32-reg.c')
-rw-r--r-- | jnlib/w32-reg.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/jnlib/w32-reg.c b/jnlib/w32-reg.c deleted file mode 100644 index 5809c32bb..000000000 --- a/jnlib/w32-reg.c +++ /dev/null @@ -1,312 +0,0 @@ -/* w32-reg.c - MS-Windows Registry access - * Copyright (C) 1999, 2002, 2007 Free Software Foundation, Inc. - * - * This file is part of JNLIB. - * - * JNLIB is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 3 of - * the License, or (at your option) any later version. - * - * JNLIB 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include <config.h> -#ifdef HAVE_W32_SYSTEM - /* This module is only used in this environment */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdarg.h> -#include <windows.h> - -#include "libjnlib-config.h" -#include "utf8conv.h" -#include "w32help.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. */ -char * -read_w32_registry_string (const char *root, const char *dir, const char *name) -{ -#ifdef HAVE_W32CE_SYSTEM - HKEY root_key, key_handle; - DWORD n1, nbytes, type; - char *result = NULL; - wchar_t *wdir, *wname; - - if ( !(root_key = get_root_key(root) ) ) - return NULL; - - wdir = utf8_to_wchar (dir); - if (!wdir) - return NULL; - - if (RegOpenKeyEx (root_key, wdir, 0, KEY_READ, &key_handle) ) - { - if (root) - { - jnlib_free (wdir); - return NULL; /* No need for a RegClose, so return immediately. */ - } - /* It seems to be common practise to fall back to HKLM. */ - if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, wdir, 0, KEY_READ, &key_handle) ) - { - jnlib_free (wdir); - return NULL; /* Still no need for a RegClose. */ - } - } - jnlib_free (wdir); - - if (name) - { - wname = utf8_to_wchar (name); - if (!wname) - goto leave; - } - else - wname = NULL; - - nbytes = 2; - if (RegQueryValueEx (key_handle, wname, 0, NULL, NULL, &nbytes)) - goto leave; - result = jnlib_malloc ((n1=nbytes+2)); - if (!result) - goto leave; - if (RegQueryValueEx (key_handle, wname, 0, &type, result, &n1)) - { - jnlib_free (result); - result = NULL; - goto leave; - } - result[nbytes] = 0; /* Make sure it is a string. */ - result[nbytes+1] = 0; - if (type == REG_SZ || type == REG_EXPAND_SZ) - { - wchar_t *tmp = (void*)result; - result = wchar_to_utf8 (tmp); - jnlib_free (tmp); - } - - leave: - jnlib_free (wname); - RegCloseKey (key_handle); - return result; -#else /*!HAVE_W32CE_SYSTEM*/ - 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 immediately. */ - /* It seems to be common practise to fall back to HKLM. */ - if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, dir, 0, KEY_READ, &key_handle) ) - return NULL; /* Still no need for a RegClose. */ - } - - nbytes = 1; - if (RegQueryValueEx( key_handle, name, 0, NULL, NULL, &nbytes ) ) - goto leave; - result = jnlib_malloc ((n1=nbytes+1)); - if (!result) - goto leave; - if (RegQueryValueEx( key_handle, name, 0, &type, result, &n1 )) - { - jnlib_free (result); - result = NULL; - goto leave; - } - result[nbytes] = 0; /* Make sure it is a string. */ - if (type == REG_EXPAND_SZ && strchr (result, '%')) - { - char *tmp; - - n1 += 1000; - tmp = jnlib_malloc (n1+1); - if (!tmp) - goto leave; - nbytes = ExpandEnvironmentStrings (result, tmp, n1); - if (nbytes && nbytes > n1) - { - jnlib_free (tmp); - n1 = nbytes; - tmp = jnlib_malloc (n1 + 1); - if (!tmp) - goto leave; - nbytes = ExpandEnvironmentStrings (result, tmp, n1); - if (nbytes && nbytes > n1) - { - /* Oops - truncated, better don't expand at all. */ - jnlib_free (tmp); - goto leave; - } - tmp[nbytes] = 0; - jnlib_free (result); - result = tmp; - } - else if (nbytes) - { - /* Okay, reduce the length. */ - tmp[nbytes] = 0; - jnlib_free (result); - result = jnlib_malloc (strlen (tmp)+1); - if (!result) - result = tmp; - else - { - strcpy (result, tmp); - jnlib_free (tmp); - } - } - else - { - /* Error - don't expand. */ - jnlib_free (tmp); - } - } - - leave: - RegCloseKey (key_handle); - return result; -#endif /*!HAVE_W32CE_SYSTEM*/ -} - - -/* Note: This code is not well tested. However, it is not used in - GnuPG. */ -int -write_w32_registry_string (const char *root, const char *dir, - const char *name, const char *value) -{ - HKEY root_key, reg_key; -#ifdef HAVE_W32CE_SYSTEM - wchar_t *wdir, *wname, *wvalue; - DWORD disp; - - if ( !(root_key = get_root_key(root) ) ) - return -1; - - wdir = utf8_to_wchar (dir); - if (!wdir) - return -1; - - if (RegOpenKeyEx (root_key, wdir, 0, 0, ®_key)) - { - jnlib_free (wdir); - return -1; - } - jnlib_free (wdir); - - if (name) - { - wname = utf8_to_wchar (name); - if (!wname) - return -1; - } - else - wname = NULL; - - wvalue = utf8_to_wchar (value); - if (wvalue) - { - jnlib_free (wname); - return -1; - } - - if (RegSetValueEx (reg_key, wname, 0, REG_SZ, - (BYTE *)wvalue, wcslen (wvalue)) != ERROR_SUCCESS ) - { - - if (RegCreateKeyEx (root_key, wname, 0, NULL, 0, 0, NULL, - ®_key, &disp) != ERROR_SUCCESS) - { - RegCloseKey(reg_key); - jnlib_free (wname); - jnlib_free (wvalue); - return -1; - } - if (RegSetValueEx (reg_key, wname, 0, REG_SZ, - (BYTE *)wvalue, wcslen (wvalue)) != ERROR_SUCCESS ) - { - RegCloseKey(reg_key); - jnlib_free (wname); - jnlib_free (wvalue); - return -1; - } - } - - jnlib_free (wname); - jnlib_free (wvalue); - RegCloseKey (reg_key); - return 0; -#else /*!HAVE_W32CE_SYSTEM*/ - - 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 /*!HAVE_W32CE_SYSTEM*/ -} - -#endif /*HAVE_W32_SYSTEM*/ |