New 'modprobe' command.

Allow kernel modules to be loaded into the appliance.

daemon/Makefile.am

@@ -54,6 +54,7 @@ guestfsd_SOURCES = \
 	lvm.c \
 	mkfs.c \
 	mknod.c \
+	modprobe.c \
 	mount.c \
 	names.c \
 	ntfs.c \

daemon/modprobe.c

@@ -0,0 +1,40 @@
+/* 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 "daemon.h"
+#include "actions.h"
+
+int
+do_modprobe (const char *module)
+{
+  char *err;
+  int r = command (NULL, &err, "/sbin/modprobe", module, NULL);
+
+  if (r == -1) {
+    reply_with_error ("%s", err);
+  }
+
+  free (err);
+
+  return r;
+}

po/POTFILES.in

@@ -30,6 +30,7 @@ daemon/ls.c
 daemon/lvm.c
 daemon/mkfs.c
 daemon/mknod.c
+daemon/modprobe.c
 daemon/mount.c
 daemon/names.c
 daemon/ntfs.c

src/MAX_PROC_NR

@@ -1 +1 @@
-193
+194

src/generator.ml

@@ -3560,6 +3560,15 @@ an external journal on the journal with UUID C<uuid>.
 
 See also C<guestfs_mke2journal_U>.");
 
+  ("modprobe", (RErr, [String "module"]), 194, [],
+   [InitNone, Always, TestRun [["modprobe"; "ext2"]]],
+   "load a kernel module",
+   "\
+This loads a kernel module in the appliance.
+
+The kernel module must have been whitelisted when libguestfs
+was built (see C<appliance/kmod.whitelist.in> in the source).");
+
 ]
 
 let all_functions = non_daemon_functions @ daemon_functions