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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009 Red Hat Inc.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "guestfs_protocol.h"
#include "daemon.h"
#include "actions.h"
static guestfs_int_statns *
stat_to_statns (guestfs_int_statns *ret, const struct stat *statbuf)
{
if (ret == NULL) {
ret = malloc (sizeof *ret);
if (ret == NULL) {
reply_with_perror ("malloc");
return NULL;
}
}
ret->st_dev = statbuf->st_dev;
ret->st_ino = statbuf->st_ino;
ret->st_mode = statbuf->st_mode;
ret->st_nlink = statbuf->st_nlink;
ret->st_uid = statbuf->st_uid;
ret->st_gid = statbuf->st_gid;
ret->st_rdev = statbuf->st_rdev;
ret->st_size = statbuf->st_size;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
ret->st_blksize = statbuf->st_blksize;
#else
ret->st_blksize = -1;
#endif
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
ret->st_blocks = statbuf->st_blocks;
#else
ret->st_blocks = -1;
#endif
ret->st_atime_sec = statbuf->st_atime;
#ifdef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
ret->st_atime_nsec = statbuf->st_atim.tv_nsec;
#else
ret->st_atime_nsec = 0;
#endif
ret->st_mtime_sec = statbuf->st_mtime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
ret->st_mtime_nsec = statbuf->st_mtim.tv_nsec;
#else
ret->st_mtime_nsec = 0;
#endif
ret->st_ctime_sec = statbuf->st_ctime;
#ifdef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC
ret->st_ctime_nsec = statbuf->st_ctim.tv_nsec;
#else
ret->st_ctime_nsec = 0;
#endif
ret->st_spare1 = ret->st_spare2 = ret->st_spare3 =
ret->st_spare4 = ret->st_spare5 = ret->st_spare6 = 0;
return ret;
}
guestfs_int_statns *
do_statns (const char *path)
{
int r;
struct stat statbuf;
CHROOT_IN;
r = stat (path, &statbuf);
CHROOT_OUT;
if (r == -1) {
reply_with_perror ("%s", path);
return NULL;
}
return stat_to_statns (NULL, &statbuf);
}
guestfs_int_statns *
do_lstatns (const char *path)
{
int r;
struct stat statbuf;
CHROOT_IN;
r = lstat (path, &statbuf);
CHROOT_OUT;
if (r == -1) {
reply_with_perror ("%s", path);
return NULL;
}
return stat_to_statns (NULL, &statbuf);
}
guestfs_int_statns_list *
do_internal_lstatnslist (const char *path, char *const *names)
{
int path_fd;
guestfs_int_statns_list *ret;
size_t i, nr_names;
nr_names = count_strings (names);
ret = malloc (sizeof *ret);
if (!ret) {
reply_with_perror ("malloc");
return NULL;
}
ret->guestfs_int_statns_list_len = nr_names;
ret->guestfs_int_statns_list_val =
calloc (nr_names, sizeof (guestfs_int_statns));
if (ret->guestfs_int_statns_list_val == NULL) {
reply_with_perror ("calloc");
free (ret);
return NULL;
}
CHROOT_IN;
path_fd = open (path, O_RDONLY|O_DIRECTORY|O_CLOEXEC);
CHROOT_OUT;
if (path_fd == -1) {
reply_with_perror ("%s", path);
free (ret->guestfs_int_statns_list_val);
free (ret);
return NULL;
}
for (i = 0; names[i] != NULL; ++i) {
int r;
struct stat statbuf;
r = fstatat (path_fd, names[i], &statbuf, AT_SYMLINK_NOFOLLOW);
if (r == -1)
ret->guestfs_int_statns_list_val[i].st_ino = -1;
else
stat_to_statns (&ret->guestfs_int_statns_list_val[i], &statbuf);
}
if (close (path_fd) == -1) {
reply_with_perror ("close: %s", path);
free (ret->guestfs_int_statns_list_val);
free (ret);
return NULL;
}
return ret;
}
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