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/*
Unix SMB/Netbios implementation.
SMB client library implementation
Copyright (C) Andrew Tridgell 1998
Copyright (C) Richard Sharpe 2000, 2002
Copyright (C) John Terpstra 2000
Copyright (C) Tom Jansen (Ninja ISD) 2002
Copyright (C) Derrell Lipman 2003-2008
Copyright (C) Jeremy Allison 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 "libsmbclient.h"
#include "libsmb_internal.h"
/*
* Generate an inode number from file name for those things that need it
*/
static ino_t
generate_inode(SMBCCTX *context,
const char *name)
{
if (!context || !context->internal->initialized) {
errno = EINVAL;
return -1;
}
if (!*name) return 2; /* FIXME, why 2 ??? */
return (ino_t)str_checksum(name);
}
/*
* Routine to put basic stat info into a stat structure ... Used by stat and
* fstat below.
*/
static int
setup_stat(SMBCCTX *context,
struct stat *st,
char *fname,
SMB_OFF_T size,
int mode)
{
TALLOC_CTX *frame = talloc_stackframe();
st->st_mode = 0;
if (IS_DOS_DIR(mode)) {
st->st_mode = SMBC_DIR_MODE;
} else {
st->st_mode = SMBC_FILE_MODE;
}
if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR;
if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP;
if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH;
if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR;
st->st_size = size;
#ifdef HAVE_STAT_ST_BLKSIZE
st->st_blksize = 512;
#endif
#ifdef HAVE_STAT_ST_BLOCKS
st->st_blocks = (size+511)/512;
#endif
#ifdef HAVE_STRUCT_STAT_ST_RDEV
st->st_rdev = 0;
#endif
st->st_uid = getuid();
st->st_gid = getgid();
if (IS_DOS_DIR(mode)) {
st->st_nlink = 2;
} else {
st->st_nlink = 1;
}
if (st->st_ino == 0) {
st->st_ino = generate_inode(context, fname);
}
TALLOC_FREE(frame);
return True; /* FIXME: Is this needed ? */
}
/*
* Routine to stat a file given a name
*/
int
SMBC_stat_ctx(SMBCCTX *context,
const char *fname,
struct stat *st)
{
SMBCSRV *srv = NULL;
char *server = NULL;
char *share = NULL;
char *user = NULL;
char *password = NULL;
char *workgroup = NULL;
char *path = NULL;
struct timespec write_time_ts;
struct timespec access_time_ts;
struct timespec change_time_ts;
SMB_OFF_T size = 0;
uint16 mode = 0;
SMB_INO_T ino = 0;
TALLOC_CTX *frame = talloc_stackframe();
if (!context || !context->internal->initialized) {
errno = EINVAL; /* Best I can think of ... */
TALLOC_FREE(frame);
return -1;
}
if (!fname) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
DEBUG(4, ("smbc_stat(%s)\n", fname));
if (SMBC_parse_path(frame,
context,
fname,
&workgroup,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!user || user[0] == (char)0) {
user = talloc_strdup(frame,context->config.user);
if (!user) {
errno = ENOMEM;
TALLOC_FREE(frame);
return -1;
}
}
srv = SMBC_server(frame, context, True,
server, share, &workgroup, &user, &password);
if (!srv) {
TALLOC_FREE(frame);
return -1; /* errno set by SMBC_server */
}
if (!SMBC_getatr(context, srv, path, &mode, &size,
NULL,
&access_time_ts,
&write_time_ts,
&change_time_ts,
&ino)) {
errno = SMBC_errno(context, srv->cli);
TALLOC_FREE(frame);
return -1;
}
st->st_ino = ino;
setup_stat(context, st, (char *) fname, size, mode);
set_atimespec(st, access_time_ts);
set_ctimespec(st, change_time_ts);
set_mtimespec(st, write_time_ts);
st->st_dev = srv->dev;
TALLOC_FREE(frame);
return 0;
}
/*
* Routine to stat a file given an fd
*/
int
SMBC_fstat_ctx(SMBCCTX *context,
SMBCFILE *file,
struct stat *st)
{
struct timespec change_time_ts;
struct timespec access_time_ts;
struct timespec write_time_ts;
SMB_OFF_T size;
uint16 mode;
char *server = NULL;
char *share = NULL;
char *user = NULL;
char *password = NULL;
char *path = NULL;
char *targetpath = NULL;
struct cli_state *targetcli = NULL;
SMB_INO_T ino = 0;
TALLOC_CTX *frame = talloc_stackframe();
if (!context || !context->internal->initialized) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
if (!file || !SMBC_dlist_contains(context->internal->files, file)) {
errno = EBADF;
TALLOC_FREE(frame);
return -1;
}
if (!file->file) {
TALLOC_FREE(frame);
return (context->posix_emu.fstatdir_fn)(context, file, st);
}
/*d_printf(">>>fstat: parsing %s\n", file->fname);*/
if (SMBC_parse_path(frame,
context,
file->fname,
NULL,
&server,
&share,
&path,
&user,
&password,
NULL)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>fstat: resolving %s\n", path);*/
if (!cli_resolve_path(frame, "", file->srv->cli, path,
&targetcli, &targetpath)) {
d_printf("Could not resolve %s\n", path);
TALLOC_FREE(frame);
return -1;
}
/*d_printf(">>>fstat: resolved path as %s\n", targetpath);*/
if (!cli_qfileinfo(targetcli, file->cli_fd, &mode, &size,
NULL,
&access_time_ts,
&write_time_ts,
&change_time_ts,
&ino)) {
time_t change_time, access_time, write_time;
if (!cli_getattrE(targetcli, file->cli_fd, &mode, &size,
&change_time, &access_time, &write_time)) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
change_time_ts = convert_time_t_to_timespec(change_time);
access_time_ts = convert_time_t_to_timespec(access_time);
write_time_ts = convert_time_t_to_timespec(write_time);
}
st->st_ino = ino;
setup_stat(context, st, file->fname, size, mode);
set_atimespec(st, access_time_ts);
set_ctimespec(st, change_time_ts);
set_mtimespec(st, write_time_ts);
st->st_dev = file->srv->dev;
TALLOC_FREE(frame);
return 0;
}
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