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From: Andreas Schwab <schwab@redhat.com>
To: libc-hacker@sourceware.org
Subject: [PATCH] Ignore origin of privileged program
Date: Thu, 09 Dec 2010 14:47:00 -0000	[thread overview]
Message-ID: <m38vzz57gp.fsf@redhat.com> (raw)

2010-12-09  Andreas Schwab  <schwab@redhat.com>

	* elf/dl-object.c (_dl_new_object): Ignore origin of privileged
	program.
---
 elf/dl-object.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/elf/dl-object.c b/elf/dl-object.c
index 5d15ce1..a34e902 100644
--- a/elf/dl-object.c
+++ b/elf/dl-object.c
@@ -220,6 +220,9 @@ _dl_new_object (char *realname, const char *libname, int type,
     out:
       new->l_origin = origin;
     }
+  else if (INTUSE(__libc_enable_secure) && type == lt_executable)
+    /* The origin of a privileged program cannot be trusted.  */
+    new->l_origin = (char *) -1;
 
   return new;
 }
-- 
1.7.2.3


-- 
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
"And now for something completely different."

             reply	other threads:[~2010-12-09 14:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-09 14:47 Andreas Schwab [this message]
2010-12-10  0:32 ` Ulrich Drepper
2010-12-10  8:46   ` Andreas Schwab
2010-12-10  9:19     ` Jakub Jelinek
2010-12-10  9:21       ` Andreas Schwab
2010-12-10 14:11     ` Ulrich Drepper
2010-12-10 14:20       ` Andreas Schwab
2010-12-10 15:14         ` Ulrich Drepper
2010-12-10 15:21           ` Andreas Schwab

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