[Libguestfs] [PATCH v2 1/6] filesystem_walk: fixed root inode listing

[Matteo Cafasso]

With the current implementation, the root inode of the given partition
is ignored.

The root inode is now reported. Its name will be a single dot '.'
reproducing the TSK API.

Signed-off-by: Matteo Cafasso <noxdafox at gmail.com>
---
 daemon/tsk.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/daemon/tsk.c b/daemon/tsk.c
index dd368d7..6e6df6d 100644
--- a/daemon/tsk.c
+++ b/daemon/tsk.c
@@ -48,6 +48,7 @@ static char file_type (TSK_FS_FILE *);
 static int file_flags (TSK_FS_FILE *fsfile);
 static void file_metadata (TSK_FS_META *, guestfs_int_tsk_dirent *);
 static int send_dirent_info (guestfs_int_tsk_dirent *);
+static int entry_is_dot(TSK_FS_FILE *);
 static void reply_with_tsk_error (const char *);
 
 int
@@ -113,9 +114,7 @@ fswalk_callback (TSK_FS_FILE *fsfile, const char *path, void *data)
   CLEANUP_FREE char *fname = NULL;
   struct guestfs_int_tsk_dirent dirent;
 
-  /* Ignore ./ and ../ */
-  ret = TSK_FS_ISDOT (fsfile->name->name);
-  if (ret != 0)
+  if (entry_is_dot(fsfile))
     return TSK_WALK_CONT;
 
   /* Build the full relative path of the entry */
@@ -271,6 +270,18 @@ reply_with_tsk_error (const char *funcname)
     reply_with_error ("%s: unknown error", funcname);
 }
 
+/* Check whether the entry is dot and is not Root. */
+static int
+entry_is_dot(TSK_FS_FILE *fsfile)
+{
+  if (TSK_FS_ISDOT (fsfile->name->name))
+    if (fsfile->fs_info->root_inum != fsfile->name->meta_addr ||
+        strcmp (fsfile->name->name, "."))
+      return 1;
+
+  return 0;
+}
+
 int
 optgroup_libtsk_available (void)
 {
-- 
2.9.3