+/* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../src/guestfs_protocol.h"
+#include "daemon.h"
+#include "actions.h"
+
+char **
+do_initrd_list (char *path)
+{
+ FILE *fp;
+ int len;
+ char *cmd;
+ char filename[PATH_MAX];
+ char **filenames = NULL;
+ int size = 0, alloc = 0;
+
+ NEED_ROOT (NULL);
+ ABS_PATH (path, NULL);
+
+ /* "zcat /sysroot/<path> | cpio --quiet -it", but path must be quoted. */
+ len = 64 + 2 * strlen (path);
+ cmd = malloc (len);
+ if (!cmd) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ strcpy (cmd, "zcat /sysroot");
+ shell_quote (cmd+13, len-13, path);
+ strcat (cmd, " | cpio --quiet -it");
+
+ fprintf (stderr, "%s\n", cmd);
+
+ fp = popen (cmd, "r");
+ if (fp == NULL) {
+ reply_with_perror ("popen: %s", cmd);
+ free (cmd);
+ return NULL;
+ }
+ free (cmd);
+
+ while (fgets (filename, sizeof filename, fp) != NULL) {
+ len = strlen (filename);
+ if (len > 0 && filename[len-1] == '\n')
+ filename[len-1] = '\0';
+
+ if (add_string (&filenames, &size, &alloc, filename) == -1) {
+ pclose (fp);
+ return NULL;
+ }
+ }
+
+ if (add_string (&filenames, &size, &alloc, NULL) == -1) {
+ pclose (fp);
+ return NULL;
+ }
+
+ if (pclose (fp) == -1) {
+ reply_with_perror ("pclose");
+ free_strings (filenames);
+ return NULL;
+ }
+
+ return filenames;
+}
git.annexia.org / libguestfs.git / commitdiff