X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fmount.c;h=463e789f1c7ac011f69fea26144a82300fd99cdc;hp=9754ca9a6a4f7c8435fcf732ba5c4fbbd6368440;hb=2eb19f526164a978c373a760deb30854d56b62ce;hpb=2f1a50d81671810256dce0852e6b1e0810ac44af

diff --git a/daemon/mount.c b/daemon/mount.c
index 9754ca9..463e789 100644
--- a/daemon/mount.c
+++ b/daemon/mount.c
@@ -41,14 +41,14 @@ int root_mounted = 0;
  */
 
 int
-do_mount_vfs (char *options, char *vfstype,
-              char *device, char *mountpoint)
+do_mount_vfs (const char *options, const char *vfstype,
+              const char *device, const char *mountpoint)
 {
   int r, is_root;
   char *mp;
   char *error;
 
-  IS_DEVICE (device, -1);
+  ABS_PATH (mountpoint, return -1);
 
   is_root = strcmp (mountpoint, "/") == 0;
 
@@ -83,20 +83,20 @@ do_mount_vfs (char *options, char *vfstype,
 }
 
 int
-do_mount (char *device, char *mountpoint)
+do_mount (const char *device, const char *mountpoint)
 {
   return do_mount_vfs ("sync,noatime", NULL, device, mountpoint);
 }
 
 int
-do_mount_ro (char *device, char *mountpoint)
+do_mount_ro (const char *device, const char *mountpoint)
 {
   return do_mount_vfs ("ro", NULL, device, mountpoint);
 }
 
 int
-do_mount_options (char *options, char *device,
-                  char *mountpoint)
+do_mount_options (const char *options, const char *device,
+                  const char *mountpoint)
 {
   return do_mount_vfs (options, NULL, device, mountpoint);
 }
@@ -105,26 +105,27 @@ do_mount_options (char *options, char *device,
  * is kept updated.
  */
 int
-do_umount (char *pathordevice)
+do_umount (const char *pathordevice)
 {
-  int freeit = 0, r;
-  char *buf;
+  int r;
   char *err;
+  char *buf;
+  int is_dev;
 
-  if (strncmp (pathordevice, "/dev/", 5) == 0) {
-    buf = pathordevice;
-    IS_DEVICE (buf, -1);
-  } else {
-    buf = sysroot_path (pathordevice);
-    if (buf == NULL) {
-      reply_with_perror ("malloc");
-      return -1;
-    }
-    freeit = 1;
+  is_dev = strncmp (pathordevice, "/dev/", 5) == 0;
+  buf = is_dev ? strdup (pathordevice)
+               : sysroot_path (pathordevice);
+  if (buf == NULL) {
+    reply_with_perror ("malloc");
+    return -1;
   }
 
+  if (is_dev)
+    RESOLVE_DEVICE (buf, { free (buf); return -1; });
+
   r = command (NULL, &err, "umount", buf, NULL);
-  if (freeit) free (buf);
+  free (buf);
+
   if (r == -1) {
     reply_with_error ("umount: %s: %s", pathordevice, err);
     free (err);
@@ -313,15 +314,12 @@ do_umount_all (void)
  * device.
  */
 int
-do_mount_loop (char *file, char *mountpoint)
+do_mount_loop (const char *file, const char *mountpoint)
 {
   int r;
   char *buf, *mp;
   char *error;
 
-  NEED_ROOT (-1);
-  ABS_PATH (file, -1);
-
   /* We have to prefix /sysroot on both the filename and the mountpoint. */
   mp = sysroot_path (mountpoint);
   if (!mp) {
@@ -353,12 +351,12 @@ do_mount_loop (char *file, char *mountpoint)
  * mkmountpoint case) set the root_mounted flag.
  */
 int
-do_mkmountpoint (char *path)
+do_mkmountpoint (const char *path)
 {
   int r;
 
-  /* NEED_ROOT (-1); - we don't want this test for this call. */
-  ABS_PATH (path, -1);
+  /* NEED_ROOT (return -1); - we don't want this test for this call. */
+  ABS_PATH (path, return -1);
 
   CHROOT_IN;
   r = mkdir (path, 0777);
@@ -378,12 +376,12 @@ do_mkmountpoint (char *path)
 }
 
 int
-do_rmmountpoint (char *path)
+do_rmmountpoint (const char *path)
 {
   int r;
 
-  NEED_ROOT (-1);
-  ABS_PATH (path, -1);
+  /* NEED_ROOT (return -1); - we don't want this test for this call. */
+  ABS_PATH (path, return -1);
 
   CHROOT_IN;
   r = rmdir (path);