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/*
* Unix SMB/CIFS implementation.
* Group Policy Object Support
* Copyright (C) Guenther Deschner 2005-2006
*
* 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"
/****************************************************************
explode the GPO CIFS URI into their components
****************************************************************/
NTSTATUS gpo_explode_filesyspath(TALLOC_CTX *mem_ctx,
const char *file_sys_path,
char **server,
char **service,
char **nt_path,
char **unix_path)
{
fstring tok;
pstring path;
*server = NULL;
*service = NULL;
*nt_path = NULL;
*unix_path = NULL;
if (!file_sys_path) {
return NT_STATUS_OK;
}
if (!next_token(&file_sys_path, tok, "\\", sizeof(tok))) {
return NT_STATUS_INVALID_PARAMETER;
}
if ((*server = talloc_strdup(mem_ctx, tok)) == NULL) {
return NT_STATUS_NO_MEMORY;
}
if (!next_token(&file_sys_path, tok, "\\", sizeof(tok))) {
return NT_STATUS_INVALID_PARAMETER;
}
if ((*service = talloc_strdup(mem_ctx, tok)) == NULL) {
return NT_STATUS_NO_MEMORY;
}
if ((*nt_path = talloc_asprintf(mem_ctx, "\\%s", file_sys_path)) == NULL) {
return NT_STATUS_NO_MEMORY;
}
pstrcpy(path, lock_path(GPO_CACHE_DIR));
pstrcat(path, "/");
pstrcat(path, file_sys_path);
pstring_sub(path, "\\", "/");
if ((*unix_path = talloc_strdup(mem_ctx, path)) == NULL) {
return NT_STATUS_NO_MEMORY;
}
return NT_STATUS_OK;
}
/****************************************************************
prepare the local disc storage for "unix_path"
****************************************************************/
static NTSTATUS gpo_prepare_local_store(TALLOC_CTX *mem_ctx,
const char *unix_path)
{
const char *top_dir = lock_path(GPO_CACHE_DIR);
char *current_dir;
fstring tok;
current_dir = talloc_strdup(mem_ctx, top_dir);
NT_STATUS_HAVE_NO_MEMORY(current_dir);
if ((mkdir(top_dir, 0644)) < 0 && errno != EEXIST) {
return NT_STATUS_ACCESS_DENIED;
}
while (next_token(&unix_path, tok, "/", sizeof(tok))) {
if (strequal(tok, GPO_CACHE_DIR)) {
break;
}
}
while (next_token(&unix_path, tok, "/", sizeof(tok))) {
current_dir = talloc_asprintf_append(current_dir, "/%s", tok);
NT_STATUS_HAVE_NO_MEMORY(current_dir);
if ((mkdir(current_dir, 0644)) < 0 && errno != EEXIST) {
return NT_STATUS_ACCESS_DENIED;
}
}
return NT_STATUS_OK;
}
/****************************************************************
download a full GPO via CIFS
****************************************************************/
NTSTATUS gpo_fetch_files(TALLOC_CTX *mem_ctx,
struct cli_state *cli,
struct GROUP_POLICY_OBJECT *gpo)
{
NTSTATUS result;
char *server, *service, *nt_path, *unix_path, *nt_ini_path, *unix_ini_path;
result = gpo_explode_filesyspath(mem_ctx, gpo->file_sys_path,
&server, &service, &nt_path, &unix_path);
if (!NT_STATUS_IS_OK(result)) {
goto out;
}
result = gpo_prepare_local_store(mem_ctx, unix_path);
if (!NT_STATUS_IS_OK(result)) {
goto out;
}
unix_ini_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
nt_ini_path = talloc_asprintf(mem_ctx, "%s\\%s", nt_path, GPT_INI);
if (!unix_path || !nt_ini_path) {
result = NT_STATUS_NO_MEMORY;
goto out;
}
result = gpo_copy_file(mem_ctx, cli, nt_ini_path, unix_ini_path);
if (!NT_STATUS_IS_OK(result)) {
goto out;
}
result = gpo_sync_directories(mem_ctx, cli, nt_path, unix_path);
if (!NT_STATUS_IS_OK(result)) {
goto out;
}
result = NT_STATUS_OK;
out:
return result;
}
/****************************************************************
get the locally stored gpt.ini version number
****************************************************************/
NTSTATUS gpo_get_sysvol_gpt_version(TALLOC_CTX *mem_ctx,
const char *unix_path,
uint32 *sysvol_version,
char **display_name)
{
NTSTATUS status;
uint32 version = 0;
char *local_path = NULL;
char *name = NULL;
if (!unix_path) {
return NT_STATUS_OK;
}
local_path = talloc_asprintf(mem_ctx, "%s/%s", unix_path, GPT_INI);
NT_STATUS_HAVE_NO_MEMORY(local_path);
status = parse_gpt_ini(mem_ctx, local_path, &version, &name);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("gpo_get_sysvol_gpt_version: failed to parse ini [%s]: %s\n",
unix_path, nt_errstr(status)));
return status;
}
if (sysvol_version) {
*sysvol_version = version;
}
if (name && *display_name) {
*display_name = talloc_strdup(mem_ctx, name);
NT_STATUS_HAVE_NO_MEMORY(*display_name);
}
return NT_STATUS_OK;
}
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