+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
- Registry interface
- Copyright (C) Jelmer Vernooij 2004-2007.
-
- 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 "registry.h"
-#include "system/dir.h"
-#include "system/filesys.h"
-
-struct dir_key {
- struct hive_key key;
- const char *path;
-};
-
-static struct hive_operations reg_backend_dir;
-
-static WERROR reg_dir_add_key(TALLOC_CTX *mem_ctx,
- const struct hive_key *parent,
- const char *name, const char *classname,
- struct security_descriptor *desc,
- struct hive_key **result)
-{
- struct dir_key *dk = talloc_get_type(parent, struct dir_key);
- char *path;
- int ret;
-
- path = talloc_asprintf(mem_ctx, "%s/%s", dk->path, name);
- W_ERROR_HAVE_NO_MEMORY(path);
- ret = mkdir(path, 0700);
- if (ret == 0) {
- struct dir_key *key = talloc(mem_ctx, struct dir_key);
- W_ERROR_HAVE_NO_MEMORY(key);
- key->key.ops = ®_backend_dir;
- key->path = talloc_steal(key, path);
- *result = (struct hive_key *)key;
- return WERR_OK;
- }
-
- if (errno == EEXIST)
- return WERR_ALREADY_EXISTS;
- printf("FAILED %s BECAUSE: %s\n", path, strerror(errno));
- return WERR_GENERAL_FAILURE;
-}
-
-static WERROR reg_dir_delete_recursive(const char *name)
-{
- DIR *d;
- struct dirent *e;
- WERROR werr;
-
- d = opendir(name);
- if (d == NULL) {
- DEBUG(3,("Unable to open '%s': %s\n", name,
- strerror(errno)));
- return WERR_BADFILE;
- }
-
- while((e = readdir(d))) {
- char *path;
- struct stat stbuf;
-
- if (ISDOT(e->d_name) || ISDOTDOT(e->d_name))
- continue;
-
- path = talloc_asprintf(name, "%s/%s", name, e->d_name);
- W_ERROR_HAVE_NO_MEMORY(path);
-
- stat(path, &stbuf);
-
- if (!S_ISDIR(stbuf.st_mode)) {
- if (unlink(path) < 0) {
- talloc_free(path);
- closedir(d);
- return WERR_GENERAL_FAILURE;
- }
- } else {
- werr = reg_dir_delete_recursive(path);
- if (!W_ERROR_IS_OK(werr)) {
- talloc_free(path);
- closedir(d);
- return werr;
- }
- }
-
- talloc_free(path);
- }
- closedir(d);
-
- if (rmdir(name) == 0)
- return WERR_OK;
- else if (errno == ENOENT)
- return WERR_BADFILE;
- else
- return WERR_GENERAL_FAILURE;
-}
-
-static WERROR reg_dir_del_key(TALLOC_CTX *mem_ctx, const struct hive_key *k,
- const char *name)
-{
- struct dir_key *dk = talloc_get_type(k, struct dir_key);
- char *child;
- WERROR ret;
-
- child = talloc_asprintf(mem_ctx, "%s/%s", dk->path, name);
- W_ERROR_HAVE_NO_MEMORY(child);
-
- ret = reg_dir_delete_recursive(child);
-
- talloc_free(child);
-
- return ret;
-}
-
-static WERROR reg_dir_open_key(TALLOC_CTX *mem_ctx,
- const struct hive_key *parent,
- const char *name, struct hive_key **subkey)
-{
- DIR *d;
- char *fullpath;
- const struct dir_key *p = talloc_get_type(parent, struct dir_key);
- struct dir_key *ret;
-
- if (name == NULL) {
- DEBUG(0, ("NULL pointer passed as directory name!"));
- return WERR_INVALID_PARAM;
- }
-
- fullpath = talloc_asprintf(mem_ctx, "%s/%s", p->path, name);
- W_ERROR_HAVE_NO_MEMORY(fullpath);
-
- d = opendir(fullpath);
- if (d == NULL) {
- DEBUG(3,("Unable to open '%s': %s\n", fullpath,
- strerror(errno)));
- talloc_free(fullpath);
- return WERR_BADFILE;
- }
- closedir(d);
- ret = talloc(mem_ctx, struct dir_key);
- ret->key.ops = ®_backend_dir;
- ret->path = talloc_steal(ret, fullpath);
- *subkey = (struct hive_key *)ret;
- return WERR_OK;
-}
-
-static WERROR reg_dir_key_by_index(TALLOC_CTX *mem_ctx,
- const struct hive_key *k, uint32_t idx,
- const char **name,
- const char **classname,
- NTTIME *last_mod_time)
-{
- struct dirent *e;
- const struct dir_key *dk = talloc_get_type(k, struct dir_key);
- unsigned int i = 0;
- DIR *d;
-
- d = opendir(dk->path);
-
- if (d == NULL)
- return WERR_INVALID_PARAM;
-
- while((e = readdir(d))) {
- if(!ISDOT(e->d_name) && !ISDOTDOT(e->d_name)) {
- struct stat stbuf;
- char *thispath;
-
- /* Check if file is a directory */
- thispath = talloc_asprintf(mem_ctx, "%s/%s", dk->path,
- e->d_name);
- W_ERROR_HAVE_NO_MEMORY(thispath);
- stat(thispath, &stbuf);
-
- if (!S_ISDIR(stbuf.st_mode)) {
- talloc_free(thispath);
- continue;
- }
-
- if (i == idx) {
- struct stat st;
- *name = talloc_strdup(mem_ctx, e->d_name);
- W_ERROR_HAVE_NO_MEMORY(*name);
- *classname = NULL;
- stat(thispath, &st);
- unix_to_nt_time(last_mod_time, st.st_mtime);
- talloc_free(thispath);
- closedir(d);
- return WERR_OK;
- }
- i++;
-
- talloc_free(thispath);
- }
- }
-
- closedir(d);
-
- return WERR_NO_MORE_ITEMS;
-}
-
-WERROR reg_open_directory(TALLOC_CTX *parent_ctx,
- const char *location, struct hive_key **key)
-{
- struct dir_key *dk;
-
- if (location == NULL)
- return WERR_INVALID_PARAM;
-
- dk = talloc(parent_ctx, struct dir_key);
- W_ERROR_HAVE_NO_MEMORY(dk);
- dk->key.ops = ®_backend_dir;
- dk->path = talloc_strdup(dk, location);
- *key = (struct hive_key *)dk;
- return WERR_OK;
-}
-
-WERROR reg_create_directory(TALLOC_CTX *parent_ctx,
- const char *location, struct hive_key **key)
-{
- if (mkdir(location, 0700) != 0) {
- *key = NULL;
- return WERR_GENERAL_FAILURE;
- }
-
- return reg_open_directory(parent_ctx, location, key);
-}
-
-static WERROR reg_dir_get_info(TALLOC_CTX *ctx, const struct hive_key *key,
- const char **classname,
- uint32_t *num_subkeys,
- uint32_t *num_values,
- NTTIME *lastmod,
- uint32_t *max_subkeynamelen,
- uint32_t *max_valnamelen,
- uint32_t *max_valbufsize)
-{
- DIR *d;
- const struct dir_key *dk = talloc_get_type(key, struct dir_key);
- struct dirent *e;
- struct stat st;
-
- SMB_ASSERT(key != NULL);
-
- if (classname != NULL)
- *classname = NULL;
-
- d = opendir(dk->path);
- if (d == NULL)
- return WERR_INVALID_PARAM;
-
- if (num_subkeys != NULL)
- *num_subkeys = 0;
-
- if (num_values != NULL)
- *num_values = 0;
-
- if (max_subkeynamelen != NULL)
- *max_subkeynamelen = 0;
-
- if (max_valnamelen != NULL)
- *max_valnamelen = 0;
-
- if (max_valbufsize != NULL)
- *max_valbufsize = 0;
-
- while((e = readdir(d))) {
- if(!ISDOT(e->d_name) && !ISDOTDOT(e->d_name)) {
- char *path = talloc_asprintf(ctx, "%s/%s",
- dk->path, e->d_name);
- W_ERROR_HAVE_NO_MEMORY(path);
-
- if (stat(path, &st) < 0) {
- DEBUG(0, ("Error statting %s: %s\n", path,
- strerror(errno)));
- talloc_free(path);
- continue;
- }
-
- if (S_ISDIR(st.st_mode)) {
- if (num_subkeys != NULL)
- (*num_subkeys)++;
- if (max_subkeynamelen != NULL)
- *max_subkeynamelen = MAX(*max_subkeynamelen, strlen(e->d_name));
- }
-
- if (!S_ISDIR(st.st_mode)) {
- if (num_values != NULL)
- (*num_values)++;
- if (max_valnamelen != NULL)
- *max_valnamelen = MAX(*max_valnamelen, strlen(e->d_name));
- if (max_valbufsize != NULL)
- *max_valbufsize = MAX(*max_valbufsize, st.st_size);
- }
-
- talloc_free(path);
- }
- }
-
- closedir(d);
-
- if (lastmod != NULL)
- *lastmod = 0;
- return WERR_OK;
-}
-
-static WERROR reg_dir_set_value(struct hive_key *key, const char *name,
- uint32_t type, const DATA_BLOB data)
-{
- const struct dir_key *dk = talloc_get_type(key, struct dir_key);
- char *path;
- bool ret;
-
- path = talloc_asprintf(dk, "%s/%s", dk->path, name);
- W_ERROR_HAVE_NO_MEMORY(path);
-
- ret = file_save(path, data.data, data.length);
-
- talloc_free(path);
-
- if (!ret) {
- return WERR_GENERAL_FAILURE;
- }
-
- /* FIXME: Type */
-
- return WERR_OK;
-}
-
-static WERROR reg_dir_get_value(TALLOC_CTX *mem_ctx,
- struct hive_key *key, const char *name,
- uint32_t *type, DATA_BLOB *data)
-{
- const struct dir_key *dk = talloc_get_type(key, struct dir_key);
- char *path;
- size_t size;
- char *contents;
-
- path = talloc_asprintf(mem_ctx, "%s/%s", dk->path, name);
- W_ERROR_HAVE_NO_MEMORY(path);
-
- contents = file_load(path, &size, 0, mem_ctx);
-
- talloc_free(path);
-
- if (contents == NULL)
- return WERR_BADFILE;
-
- if (type != NULL)
- *type = 4; /* FIXME */
-
- data->data = (uint8_t *)contents;
- data->length = size;
-
- return WERR_OK;
-}
-
-static WERROR reg_dir_enum_value(TALLOC_CTX *mem_ctx,
- struct hive_key *key, uint32_t idx,
- const char **name,
- uint32_t *type, DATA_BLOB *data)
-{
- const struct dir_key *dk = talloc_get_type(key, struct dir_key);
- DIR *d;
- struct dirent *e;
- unsigned int i;
-
- d = opendir(dk->path);
- if (d == NULL) {
- DEBUG(3,("Unable to open '%s': %s\n", dk->path,
- strerror(errno)));
- return WERR_BADFILE;
- }
-
- i = 0;
- while((e = readdir(d))) {
- if (ISDOT(e->d_name) || ISDOTDOT(e->d_name))
- continue;
-
- if (i == idx) {
- if (name != NULL) {
- *name = talloc_strdup(mem_ctx, e->d_name);
- W_ERROR_HAVE_NO_MEMORY(*name);
- }
- W_ERROR_NOT_OK_RETURN(reg_dir_get_value(mem_ctx, key,
- *name, type,
- data));
- return WERR_OK;
- }
-
- i++;
- }
- closedir(d);
-
- return WERR_NO_MORE_ITEMS;
-}
-
-
-static WERROR reg_dir_del_value(TALLOC_CTX *mem_ctx,
- struct hive_key *key, const char *name)
-{
- const struct dir_key *dk = talloc_get_type(key, struct dir_key);
- char *path;
- int ret;
-
- path = talloc_asprintf(mem_ctx, "%s/%s", dk->path, name);
- W_ERROR_HAVE_NO_MEMORY(path);
-
- ret = unlink(path);
-
- talloc_free(path);
-
- if (ret < 0) {
- if (errno == ENOENT)
- return WERR_BADFILE;
- return WERR_GENERAL_FAILURE;
- }
-
- return WERR_OK;
-}
-
-static struct hive_operations reg_backend_dir = {
- .name = "dir",
- .get_key_by_name = reg_dir_open_key,
- .get_key_info = reg_dir_get_info,
- .add_key = reg_dir_add_key,
- .del_key = reg_dir_del_key,
- .enum_key = reg_dir_key_by_index,
- .set_value = reg_dir_set_value,
- .get_value_by_name = reg_dir_get_value,
- .enum_value = reg_dir_enum_value,
- .delete_value = reg_dir_del_value,
-};
git.samba.org / ddiss / samba.git / blobdiff