+++ /dev/null
-/*
- * Unix SMB/CIFS implementation.
- * Virtual Windows Registry Layer
- * Copyright (C) Volker Lendecke 2006
- * Copyright (C) Michael Adam 2007-2008
- *
- * This program 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 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "system/filesys.h"
-#include "registry.h"
-#include "reg_api_regf.h"
-#include "reg_cachehook.h"
-#include "regfio.h"
-#include "reg_util_internal.h"
-#include "reg_dispatcher.h"
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_REGISTRY
-
-/*******************************************************************
- Note: topkeypat is the *full* path that this *key will be
- loaded into (including the name of the key)
- ********************************************************************/
-
-static WERROR reg_load_tree(REGF_FILE *regfile, const char *topkeypath,
- REGF_NK_REC *key)
-{
- REGF_NK_REC *subkey;
- struct registry_key_handle registry_key;
- struct regval_ctr *values;
- struct regsubkey_ctr *subkeys;
- int i;
- char *path = NULL;
- WERROR result = WERR_OK;
-
- /* initialize the struct registry_key_handle structure */
-
- registry_key.ops = reghook_cache_find(topkeypath);
- if (!registry_key.ops) {
- DEBUG(0, ("reg_load_tree: Failed to assign registry_ops "
- "to [%s]\n", topkeypath));
- return WERR_FILE_NOT_FOUND;
- }
-
- registry_key.name = talloc_strdup(regfile->mem_ctx, topkeypath);
- if (!registry_key.name) {
- DEBUG(0, ("reg_load_tree: Talloc failed for reg_key.name!\n"));
- return WERR_NOT_ENOUGH_MEMORY;
- }
-
- /* now start parsing the values and subkeys */
-
- result = regsubkey_ctr_init(regfile->mem_ctx, &subkeys);
- W_ERROR_NOT_OK_RETURN(result);
-
- result = regval_ctr_init(subkeys, &values);
- W_ERROR_NOT_OK_RETURN(result);
-
- /* copy values into the struct regval_ctr */
-
- for (i=0; i<key->num_values; i++) {
- regval_ctr_addvalue(values, key->values[i].valuename,
- key->values[i].type,
- key->values[i].data,
- (key->values[i].data_size & ~VK_DATA_IN_OFFSET));
- }
-
- /* copy subkeys into the struct regsubkey_ctr */
-
- key->subkey_index = 0;
- while ((subkey = regfio_fetch_subkey( regfile, key ))) {
- result = regsubkey_ctr_addkey(subkeys, subkey->keyname);
- if (!W_ERROR_IS_OK(result)) {
- TALLOC_FREE(subkeys);
- return result;
- }
- }
-
- /* write this key and values out */
-
- if (!store_reg_values(®istry_key, values)
- || !store_reg_keys(®istry_key, subkeys))
- {
- DEBUG(0,("reg_load_tree: Failed to load %s!\n", topkeypath));
- result = WERR_REGISTRY_IO_FAILED;
- }
-
- TALLOC_FREE(subkeys);
-
- if (!W_ERROR_IS_OK(result)) {
- return result;
- }
-
- /* now continue to load each subkey registry tree */
-
- key->subkey_index = 0;
- while ((subkey = regfio_fetch_subkey(regfile, key))) {
- path = talloc_asprintf(regfile->mem_ctx,
- "%s\\%s",
- topkeypath,
- subkey->keyname);
- if (path == NULL) {
- return WERR_NOT_ENOUGH_MEMORY;
- }
- result = reg_load_tree(regfile, path, subkey);
- if (!W_ERROR_IS_OK(result)) {
- break;
- }
- }
-
- return result;
-}
-
-/*******************************************************************
- ********************************************************************/
-
-static WERROR restore_registry_key(struct registry_key_handle *krecord,
- const char *fname)
-{
- REGF_FILE *regfile;
- REGF_NK_REC *rootkey;
- WERROR result;
-
- /* open the registry file....fail if the file already exists */
-
- regfile = regfio_open(fname, (O_RDONLY), 0);
- if (regfile == NULL) {
- DEBUG(0, ("restore_registry_key: failed to open \"%s\" (%s)\n",
- fname, strerror(errno)));
- return ntstatus_to_werror(map_nt_error_from_unix(errno));
- }
-
- /* get the rootkey from the regf file and then load the tree
- via recursive calls */
-
- if (!(rootkey = regfio_rootkey(regfile))) {
- regfio_close(regfile);
- return WERR_NOT_REGISTRY_FILE;
- }
-
- result = reg_load_tree(regfile, krecord->name, rootkey);
-
- /* cleanup */
-
- regfio_close(regfile);
-
- return result;
-}
-
-WERROR reg_restorekey(struct registry_key *key, const char *fname)
-{
- return restore_registry_key(key->key, fname);
-}
-
-/********************************************************************
-********************************************************************/
-
-static WERROR reg_write_tree(REGF_FILE *regfile, const char *keypath,
- REGF_NK_REC *parent)
-{
- REGF_NK_REC *key;
- struct regval_ctr *values;
- struct regsubkey_ctr *subkeys;
- int i, num_subkeys;
- char *key_tmp = NULL;
- char *keyname, *parentpath;
- char *subkeypath = NULL;
- char *subkeyname;
- struct registry_key_handle registry_key;
- WERROR result = WERR_OK;
- struct security_descriptor *sec_desc = NULL;
-
- if (!regfile) {
- return WERR_GEN_FAILURE;
- }
-
- if (!keypath) {
- return WERR_BAD_PATHNAME;
- }
-
- /* split up the registry key path */
-
- key_tmp = talloc_strdup(regfile->mem_ctx, keypath);
- if (!key_tmp) {
- return WERR_NOT_ENOUGH_MEMORY;
- }
- if (!reg_split_key(key_tmp, &parentpath, &keyname)) {
- return WERR_BAD_PATHNAME;
- }
-
- if (!keyname) {
- keyname = parentpath;
- }
-
- /* we need a registry_key_handle object here to enumerate subkeys and values */
-
- ZERO_STRUCT(registry_key);
-
- registry_key.name = talloc_strdup(regfile->mem_ctx, keypath);
- if (registry_key.name == NULL) {
- return WERR_NOT_ENOUGH_MEMORY;
- }
-
- registry_key.ops = reghook_cache_find(registry_key.name);
- if (registry_key.ops == NULL) {
- return WERR_FILE_NOT_FOUND;
- }
-
- /* lookup the values and subkeys */
-
- result = regsubkey_ctr_init(regfile->mem_ctx, &subkeys);
- W_ERROR_NOT_OK_RETURN(result);
-
- result = regval_ctr_init(subkeys, &values);
- W_ERROR_NOT_OK_RETURN(result);
-
- fetch_reg_keys(®istry_key, subkeys);
- fetch_reg_values(®istry_key, values);
-
- result = regkey_get_secdesc(regfile->mem_ctx, ®istry_key, &sec_desc);
- if (!W_ERROR_IS_OK(result)) {
- goto done;
- }
-
- /* write out this key */
-
- key = regfio_write_key(regfile, keyname, values, subkeys, sec_desc,
- parent);
- if (key == NULL) {
- result = WERR_CAN_NOT_COMPLETE;
- goto done;
- }
-
- /* write each one of the subkeys out */
-
- num_subkeys = regsubkey_ctr_numkeys(subkeys);
- for (i=0; i<num_subkeys; i++) {
- subkeyname = regsubkey_ctr_specific_key(subkeys, i);
- subkeypath = talloc_asprintf(regfile->mem_ctx, "%s\\%s",
- keypath, subkeyname);
- if (subkeypath == NULL) {
- result = WERR_NOT_ENOUGH_MEMORY;
- goto done;
- }
- result = reg_write_tree(regfile, subkeypath, key);
- if (!W_ERROR_IS_OK(result))
- goto done;
- }
-
- DEBUG(6, ("reg_write_tree: wrote key [%s]\n", keypath));
-
-done:
- TALLOC_FREE(subkeys);
- TALLOC_FREE(registry_key.name);
-
- return result;
-}
-
-static WERROR backup_registry_key(struct registry_key_handle *krecord,
- const char *fname)
-{
- REGF_FILE *regfile;
- WERROR result;
-
- /* open the registry file....fail if the file already exists */
-
- regfile = regfio_open(fname, (O_RDWR|O_CREAT|O_EXCL),
- (S_IRUSR|S_IWUSR));
- if (regfile == NULL) {
- DEBUG(0,("backup_registry_key: failed to open \"%s\" (%s)\n",
- fname, strerror(errno) ));
- return ntstatus_to_werror(map_nt_error_from_unix(errno));
- }
-
- /* write the registry tree to the file */
-
- result = reg_write_tree(regfile, krecord->name, NULL);
-
- /* cleanup */
-
- regfio_close(regfile);
-
- return result;
-}
-
-WERROR reg_savekey(struct registry_key *key, const char *fname)
-{
- return backup_registry_key(key->key, fname);
-}
git.samba.org / samba.git / commitdiff