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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 <glob.h>
#include "daemon.h"
#include "actions.h"
char **
do_glob_expand (const char *pattern, int directoryslash)
{
int r;
glob_t buf = { .gl_pathc = 0, .gl_pathv = NULL, .gl_offs = 0 };
int flags = GLOB_BRACE | GLOB_MARK;
/* GLOB_MARK is default, unless the user explicitly disabled it. */
if ((optargs_bitmask & GUESTFS_GLOB_EXPAND_DIRECTORYSLASH_BITMASK)
&& !directoryslash) {
flags &= ~GLOB_MARK;
}
/* glob(3) in glibc never calls chdir, so this seems to be safe: */
CHROOT_IN;
r = glob (pattern, flags, NULL, &buf);
CHROOT_OUT;
if (r == GLOB_NOMATCH) { /* Return an empty list instead of an error. */
char **rv;
rv = malloc (sizeof (char *) * 1);
if (rv == NULL) {
reply_with_perror ("malloc");
return NULL;
}
rv[0] = NULL;
return rv; /* Caller frees. */
}
if (r != 0) {
if (errno != 0)
reply_with_perror ("%s", pattern);
else
reply_with_error ("glob failed: %s", pattern);
return NULL;
}
/* We take a bit of a liberty here. 'globfree' just frees the
* strings in the glob_t structure. We will pass them out directly
* and the caller will free them.
*/
return buf.gl_pathv;
}
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