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/*
* Unix SMB/CIFS implementation.
* Group Policy Object Support
* Copyright (C) Guenther Deschner 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"
#include "system/filesys.h"
#include "libsmb/libsmb.h"
#include "../libgpo/gpo.h"
#include "libgpo/gpo_proto.h"
struct sync_context {
TALLOC_CTX *mem_ctx;
struct cli_state *cli;
char *remote_path;
char *local_path;
char *mask;
uint16_t attribute;
};
static NTSTATUS gpo_sync_func(const char *mnt,
struct file_info *info,
const char *mask,
void *state);
NTSTATUS gpo_copy_file(TALLOC_CTX *mem_ctx,
struct cli_state *cli,
const char *nt_path,
const char *unix_path)
{
NTSTATUS result;
uint16_t fnum;
int fd = -1;
char *data = NULL;
static int io_bufsize = 64512;
int read_size = io_bufsize;
off_t nread = 0;
result = cli_open(cli, nt_path, O_RDONLY, DENY_NONE, &fnum);
if (!NT_STATUS_IS_OK(result)) {
goto out;
}
if ((fd = sys_open(unix_path, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) {
result = map_nt_error_from_unix(errno);
goto out;
}
if ((data = (char *)SMB_MALLOC(read_size)) == NULL) {
result = NT_STATUS_NO_MEMORY;
goto out;
}
while (1) {
int n = cli_read(cli, fnum, data, nread, read_size);
if (n <= 0)
break;
if (write(fd, data, n) != n) {
break;
}
nread += n;
}
result = NT_STATUS_OK;
out:
SAFE_FREE(data);
if (fnum) {
cli_close(cli, fnum);
}
if (fd != -1) {
close(fd);
}
return result;
}
/****************************************************************
copy dir
****************************************************************/
static NTSTATUS gpo_copy_dir(const char *unix_path)
{
if ((mkdir(unix_path, 0644)) < 0 && errno != EEXIST) {
return map_nt_error_from_unix(errno);
}
return NT_STATUS_OK;
}
/****************************************************************
sync files
****************************************************************/
static NTSTATUS gpo_sync_files(struct sync_context *ctx)
{
NTSTATUS status;
DEBUG(3,("calling cli_list with mask: %s\n", ctx->mask));
status = cli_list(ctx->cli, ctx->mask, ctx->attribute, gpo_sync_func,
ctx);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("listing [%s] failed with error: %s\n",
ctx->mask, nt_errstr(status)));
return status;
}
return status;
}
/****************************************************************
syncronisation call back
****************************************************************/
static NTSTATUS gpo_sync_func(const char *mnt,
struct file_info *info,
const char *mask,
void *state)
{
NTSTATUS result;
struct sync_context *ctx;
fstring nt_filename, unix_filename;
fstring nt_dir, unix_dir;
char *old_nt_dir, *old_unix_dir;
ctx = (struct sync_context *)state;
if (strequal(info->name, ".") || strequal(info->name, "..")) {
return NT_STATUS_OK;
}
DEBUG(5,("gpo_sync_func: got mask: [%s], name: [%s]\n",
mask, info->name));
if (info->mode & FILE_ATTRIBUTE_DIRECTORY) {
DEBUG(3,("got dir: [%s]\n", info->name));
fstrcpy(nt_dir, ctx->remote_path);
fstrcat(nt_dir, "\\");
fstrcat(nt_dir, info->name);
fstrcpy(unix_dir, ctx->local_path);
fstrcat(unix_dir, "/");
fstrcat(unix_dir, info->name);
result = gpo_copy_dir(unix_dir);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1,("failed to copy dir: %s\n",
nt_errstr(result)));
return result;
}
old_nt_dir = ctx->remote_path;
ctx->remote_path = talloc_strdup(ctx->mem_ctx, nt_dir);
old_unix_dir = ctx->local_path;
ctx->local_path = talloc_strdup(ctx->mem_ctx, unix_dir);
ctx->mask = talloc_asprintf(ctx->mem_ctx,
"%s\\*",
nt_dir);
if (!ctx->local_path || !ctx->mask || !ctx->remote_path) {
DEBUG(0,("gpo_sync_func: ENOMEM\n"));
return NT_STATUS_NO_MEMORY;
}
result = gpo_sync_files(ctx);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(0,("could not sync files\n"));
return result;
}
ctx->remote_path = old_nt_dir;
ctx->local_path = old_unix_dir;
return NT_STATUS_OK;
}
DEBUG(3,("got file: [%s]\n", info->name));
fstrcpy(nt_filename, ctx->remote_path);
fstrcat(nt_filename, "\\");
fstrcat(nt_filename, info->name);
fstrcpy(unix_filename, ctx->local_path);
fstrcat(unix_filename, "/");
fstrcat(unix_filename, info->name);
result = gpo_copy_file(ctx->mem_ctx, ctx->cli,
nt_filename, unix_filename);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1,("failed to copy file: %s\n",
nt_errstr(result)));
}
return result;
}
/****************************************************************
list a remote directory and download recursivly
****************************************************************/
NTSTATUS gpo_sync_directories(TALLOC_CTX *mem_ctx,
struct cli_state *cli,
const char *nt_path,
const char *local_path)
{
struct sync_context ctx;
ctx.mem_ctx = mem_ctx;
ctx.cli = cli;
ctx.remote_path = discard_const_p(char, nt_path);
ctx.local_path = discard_const_p(char, local_path);
ctx.attribute = (FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_DIRECTORY);
ctx.mask = talloc_asprintf(mem_ctx,
"%s\\*",
nt_path);
if (!ctx.mask) {
return NT_STATUS_NO_MEMORY;
}
return gpo_sync_files(&ctx);
}
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