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https://github.com/libguestfs/libguestfs.git
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01f46e4e31
Add a new optional bool "directoryslash" to indicate whether the caller wants trailing slashes in names of directories, defaulting to true (the current behaviour); this helps with interoperability with other tools (such as rm). Related to RHBZ#1293271.
72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/* libguestfs - the guestfsd daemon
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* Copyright (C) 2009 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <glob.h>
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#include "daemon.h"
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#include "actions.h"
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char **
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do_glob_expand (const char *pattern, int directoryslash)
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{
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int r;
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glob_t buf = { .gl_pathc = 0, .gl_pathv = NULL, .gl_offs = 0 };
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int flags = GLOB_BRACE | GLOB_MARK;
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/* GLOB_MARK is default, unless the user explicitly disabled it. */
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if ((optargs_bitmask & GUESTFS_GLOB_EXPAND_DIRECTORYSLASH_BITMASK)
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&& !directoryslash) {
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flags &= ~GLOB_MARK;
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}
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/* glob(3) in glibc never calls chdir, so this seems to be safe: */
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CHROOT_IN;
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r = glob (pattern, flags, NULL, &buf);
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CHROOT_OUT;
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if (r == GLOB_NOMATCH) { /* Return an empty list instead of an error. */
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char **rv;
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rv = malloc (sizeof (char *) * 1);
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if (rv == NULL) {
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reply_with_perror ("malloc");
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return NULL;
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}
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rv[0] = NULL;
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return rv; /* Caller frees. */
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}
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if (r != 0) {
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if (errno != 0)
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reply_with_perror ("%s", pattern);
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else
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reply_with_error ("glob failed: %s", pattern);
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return NULL;
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}
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/* We take a bit of a liberty here. 'globfree' just frees the
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* strings in the glob_t structure. We will pass them out directly
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* and the caller will free them.
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*/
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return buf.gl_pathv;
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}
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