1 /* libguestfs - the guestfsd daemon
2 * Copyright (C) 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "../src/guestfs_protocol.h"
31 do_initrd_list (char *path)
36 char filename[PATH_MAX];
37 char **filenames = NULL;
38 int size = 0, alloc = 0;
41 ABS_PATH (path, NULL);
43 /* "zcat /sysroot/<path> | cpio --quiet -it", but path must be quoted. */
44 len = 64 + 2 * strlen (path);
47 reply_with_perror ("malloc");
51 strcpy (cmd, "zcat /sysroot");
52 shell_quote (cmd+13, len-13, path);
53 strcat (cmd, " | cpio --quiet -it");
55 fprintf (stderr, "%s\n", cmd);
57 fp = popen (cmd, "r");
59 reply_with_perror ("popen: %s", cmd);
65 while (fgets (filename, sizeof filename, fp) != NULL) {
66 len = strlen (filename);
67 if (len > 0 && filename[len-1] == '\n')
68 filename[len-1] = '\0';
70 if (add_string (&filenames, &size, &alloc, filename) == -1) {
76 if (add_string (&filenames, &size, &alloc, NULL) == -1) {
81 if (pclose (fp) == -1) {
82 reply_with_perror ("pclose");
83 free_strings (filenames);