Exemplo n.º 1
0
static int vfswrap_ntimes(vfs_handle_struct *handle, const char *path, const struct timespec ts[2])
{
	int result;

	START_PROFILE(syscall_ntimes);
#if defined(HAVE_UTIMES)
	{
		struct timeval tv[2];
		tv[0] = convert_timespec_to_timeval(ts[0]);
		tv[1] = convert_timespec_to_timeval(ts[1]);
		result = utimes(path, tv);
	}
#elif defined(HAVE_UTIME)
	{
		struct utimbuf times;
		times.actime = convert_timespec_to_time_t(ts[0]);
		times.modtime = convert_timespec_to_time_t(ts[1]);
		result = utime(path, times);
	}
#else
	errno = ENOSYS;
	result = -1;
#endif
	END_PROFILE(syscall_ntimes);
	return result;
}
Exemplo n.º 2
0
static int copy_reg(const char *source, const char *dest)
{
	SMB_STRUCT_STAT source_stats;
	int saved_errno;
	int ifd = -1;
	int ofd = -1;

	if (sys_lstat(source, &source_stats, false) == -1)
		return -1;

	if (!S_ISREG (source_stats.st_ex_mode))
		return -1;

	if (source_stats.st_ex_size > module_sizelimit) {
		DEBUG(5,
			("%s: size of %s larger than sizelimit (%lld > %lld), rename prohititted\n",
			MODULE, source,
			(long long)source_stats.st_ex_size,
			(long long)module_sizelimit));
		return -1;
	}

	if((ifd = open (source, O_RDONLY, 0)) < 0)
		return -1;

	if (unlink (dest) && errno != ENOENT) {
		close(ifd);
		return -1;
	}

#ifdef O_NOFOLLOW
	if((ofd = open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
#else
	if((ofd = open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
#endif
		goto err;

	if (transfer_file(ifd, ofd, source_stats.st_ex_size) == -1)
		goto err;

	/*
	 * Try to preserve ownership.  For non-root it might fail, but that's ok.
	 * But root probably wants to know, e.g. if NFS disallows it.
	 */

#ifdef HAVE_FCHOWN
	if ((fchown(ofd, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
#else
	if ((chown(dest, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
#endif
		goto err;

	/*
	 * fchown turns off set[ug]id bits for non-root,
	 * so do the chmod last.
	 */

#if defined(HAVE_FCHMOD)
	if ((fchmod (ofd, source_stats.st_ex_mode & 07777) == -1) &&
			(errno != EPERM))
#else
	if ((chmod (dest, source_stats.st_ex_mode & 07777) == -1) &&
			(errno != EPERM))
#endif
		goto err;

	if (close (ifd) == -1)
		goto err;

	if (close (ofd) == -1)
		return -1;

	/* Try to copy the old file's modtime and access time.  */
#if defined(HAVE_UTIMENSAT)
	{
		struct timespec ts[2];

		ts[0] = source_stats.st_ex_atime;
		ts[1] = source_stats.st_ex_mtime;
		utimensat(AT_FDCWD, dest, ts, AT_SYMLINK_NOFOLLOW);
	}
#elif defined(HAVE_UTIMES)
	{
		struct timeval tv[2];

		tv[0] = convert_timespec_to_timeval(source_stats.st_ex_atime);
		tv[1] = convert_timespec_to_timeval(source_stats.st_ex_mtime);
#ifdef HAVE_LUTIMES
		lutimes(dest, tv);
#else
		utimes(dest, tv);
#endif
	}
#elif defined(HAVE_UTIME)
	{
		struct utimbuf tv;

		tv.actime = convert_timespec_to_time_t(source_stats.st_ex_atime);
		tv.modtime = convert_timespec_to_time_t(source_stats.st_ex_mtime);
		utime(dest, &tv);
	}
#endif

	if (unlink (source) == -1)
		return -1;

	return 0;

  err:

	saved_errno = errno;
	if (ifd != -1)
		close(ifd);
	if (ofd != -1)
		close(ofd);
	errno = saved_errno;
	return -1;
}
Exemplo n.º 3
0
Arquivo: durable.c Projeto: hef/samba
/**
 * Check whether a cookie-stored struct info is the same
 * as a given SMB_STRUCT_STAT, as coming with the fsp.
 */
static bool vfs_default_durable_reconnect_check_stat(
				struct vfs_default_durable_stat *cookie_st,
				SMB_STRUCT_STAT *fsp_st,
				const char *name)
{
	int ret;

	if (cookie_st->st_ex_dev != fsp_st->st_ex_dev) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_dev",
			  (unsigned long long)cookie_st->st_ex_dev,
			  (unsigned long long)fsp_st->st_ex_dev));
		return false;
	}

	if (cookie_st->st_ex_ino != fsp_st->st_ex_ino) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_ino",
			  (unsigned long long)cookie_st->st_ex_ino,
			  (unsigned long long)fsp_st->st_ex_ino));
		return false;
	}

	if (cookie_st->st_ex_mode != fsp_st->st_ex_mode) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_mode",
			  (unsigned long long)cookie_st->st_ex_mode,
			  (unsigned long long)fsp_st->st_ex_mode));
		return false;
	}

	if (cookie_st->st_ex_nlink != fsp_st->st_ex_nlink) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_nlink",
			  (unsigned long long)cookie_st->st_ex_nlink,
			  (unsigned long long)fsp_st->st_ex_nlink));
		return false;
	}

	if (cookie_st->st_ex_uid != fsp_st->st_ex_uid) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_uid",
			  (unsigned long long)cookie_st->st_ex_uid,
			  (unsigned long long)fsp_st->st_ex_uid));
		return false;
	}

	if (cookie_st->st_ex_gid != fsp_st->st_ex_gid) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_gid",
			  (unsigned long long)cookie_st->st_ex_gid,
			  (unsigned long long)fsp_st->st_ex_gid));
		return false;
	}

	if (cookie_st->st_ex_rdev != fsp_st->st_ex_rdev) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_rdev",
			  (unsigned long long)cookie_st->st_ex_rdev,
			  (unsigned long long)fsp_st->st_ex_rdev));
		return false;
	}

	if (cookie_st->st_ex_size != fsp_st->st_ex_size) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_size",
			  (unsigned long long)cookie_st->st_ex_size,
			  (unsigned long long)fsp_st->st_ex_size));
		return false;
	}

	ret = timespec_compare(&cookie_st->st_ex_atime,
			       &fsp_st->st_ex_atime);
	if (ret != 0) {
		struct timeval tc, ts;
		tc = convert_timespec_to_timeval(cookie_st->st_ex_atime);
		ts = convert_timespec_to_timeval(fsp_st->st_ex_atime);

		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:'%s' != stat:'%s', "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_atime",
			  timeval_string(talloc_tos(), &tc, true),
			  timeval_string(talloc_tos(), &ts, true)));
		return false;
	}

	ret = timespec_compare(&cookie_st->st_ex_mtime,
			       &fsp_st->st_ex_mtime);
	if (ret != 0) {
		struct timeval tc, ts;
		tc = convert_timespec_to_timeval(cookie_st->st_ex_mtime);
		ts = convert_timespec_to_timeval(fsp_st->st_ex_mtime);

		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:'%s' != stat:'%s', "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_mtime",
			  timeval_string(talloc_tos(), &tc, true),
			  timeval_string(talloc_tos(), &ts, true)));
		return false;
	}

	ret = timespec_compare(&cookie_st->st_ex_ctime,
			       &fsp_st->st_ex_ctime);
	if (ret != 0) {
		struct timeval tc, ts;
		tc = convert_timespec_to_timeval(cookie_st->st_ex_ctime);
		ts = convert_timespec_to_timeval(fsp_st->st_ex_ctime);

		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:'%s' != stat:'%s', "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_ctime",
			  timeval_string(talloc_tos(), &tc, true),
			  timeval_string(talloc_tos(), &ts, true)));
		return false;
	}

	ret = timespec_compare(&cookie_st->st_ex_btime,
			       &fsp_st->st_ex_btime);
	if (ret != 0) {
		struct timeval tc, ts;
		tc = convert_timespec_to_timeval(cookie_st->st_ex_btime);
		ts = convert_timespec_to_timeval(fsp_st->st_ex_btime);

		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:'%s' != stat:'%s', "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_btime",
			  timeval_string(talloc_tos(), &tc, true),
			  timeval_string(talloc_tos(), &ts, true)));
		return false;
	}

	if (cookie_st->st_ex_calculated_birthtime !=
	    fsp_st->st_ex_calculated_birthtime)
	{
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_calculated_birthtime",
			  (unsigned long long)cookie_st->st_ex_calculated_birthtime,
			  (unsigned long long)fsp_st->st_ex_calculated_birthtime));
		return false;
	}

	if (cookie_st->st_ex_blksize != fsp_st->st_ex_blksize) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_blksize",
			  (unsigned long long)cookie_st->st_ex_blksize,
			  (unsigned long long)fsp_st->st_ex_blksize));
		return false;
	}

	if (cookie_st->st_ex_blocks != fsp_st->st_ex_blocks) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_blocks",
			  (unsigned long long)cookie_st->st_ex_blocks,
			  (unsigned long long)fsp_st->st_ex_blocks));
		return false;
	}

	if (cookie_st->st_ex_flags != fsp_st->st_ex_flags) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_flags",
			  (unsigned long long)cookie_st->st_ex_flags,
			  (unsigned long long)fsp_st->st_ex_flags));
		return false;
	}

	if (cookie_st->st_ex_mask != fsp_st->st_ex_mask) {
		DEBUG(1, ("vfs_default_durable_reconnect (%s): "
			  "stat_ex.%s differs: "
			  "cookie:%llu != stat:%llu, "
			  "denying durable reconnect\n",
			  name,
			  "st_ex_mask",
			  (unsigned long long)cookie_st->st_ex_mask,
			  (unsigned long long)fsp_st->st_ex_mask));
		return false;
	}

	return true;
}