[hurd] 04/26: Revert "tmpfs: drop privileges in the tmpfs translator"

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 0fd357b48642f16c3adf8ed474f299daecef2613
Author: Justus Winter <address@hidden>
Date:   Tue Oct 8 15:49:02 2013 +0200

    Revert "tmpfs: drop privileges in the tmpfs translator"
    
    This reverts commit 7075bc11289355478659cd1610632a9299734afc.
    
    Dropping the unix privileges of the tmpfs translator causes problems
    with the passive translator startup. The function fshelp_fetch_root
    creates an auth handle containing the processes original UID and
    GID. But if the privileges were dropped before, this operation fails
    with EPERM.
    
    This commit also broke mkfifo(3), possibly for similar or related
    reasons.
    
    * tmpfs/tmpfs.c (main): Do not drop all privileges.
---
 tmpfs/tmpfs.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/tmpfs/tmpfs.c b/tmpfs/tmpfs.c
index 1872a7d..7da3dd5 100644
--- a/tmpfs/tmpfs.c
+++ b/tmpfs/tmpfs.c
@@ -29,7 +29,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 
02139, USA.  */
 #include <fcntl.h>
 #include <hurd.h>
 #include <hurd/paths.h>
-#include <nullauth.h>
 
 char *diskfs_server_name = "tmpfs";
 char *diskfs_server_version = HURD_VERSION;
@@ -438,11 +437,6 @@ main (int argc, char **argv)
   /* We must keep the REALNODE send right to remain the active
      translator for the underlying node.  */
 
-  /* Drop all privileges.  */
-  err = setnullauth();
-  if (err)
-    error (1, err, "Could not drop privileges");
-
   pthread_mutex_unlock (&diskfs_root_node->lock);
 
   /* and so we die, leaving others to do the real work.  */

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