Re: /lib/libsemanage.so.1 links to /usr/lib/libustr-1.0.so.1

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Daniel J Walsh wrote:
On 10/19/2009 11:11 AM, Stephen Smalley wrote:
On Mon, 2009-10-19 at 11:07 -0400, Daniel J Walsh wrote:
On 10/19/2009 10:20 AM, Stephen Smalley wrote:
On Wed, 2009-10-14 at 00:49 -0500, Manoj Srivastava wrote:
On Tue, Oct 13 2009, Joshua Brindle wrote:


Yes, I'm not sure why you'd need libsemanage during early boot, we
probably should apply this:

diff --git a/libsemanage/src/Makefile b/libsemanage/src/Makefile
index cfb9558..c531a2f 100644
--- a/libsemanage/src/Makefile
+++ b/libsemanage/src/Makefile
@@ -1,7 +1,7 @@
  # Installation directories.
  PREFIX ?= $(DESTDIR)/usr
  LIBDIR ?= $(PREFIX)/lib
-SHLIBDIR ?= $(DESTDIR)/lib
+SHLIBDIR ?= $(PREFIX)/lib
  INCLUDEDIR ?= $(PREFIX)/include
  PYLIBVER ?= $(shell python -c 'import sys;print "python%d.%d" %
sys.version_info[0:2]')
  PYINC ?= /usr/include/${PYLIBVER}

         I've applied this patch in Debian unstable.
My only concern with relocating libsemanage is whether it will create
any compatibility problems for existing binaries previously linked
against /lib/libsemanage.so.1.  Also it could get confusing if you build
and install the newer version and existing binaries keep using the old
library at the old location.  You likely need/want to
symlink /lib/libsemanage.so.1 to the new location.

Why does it need to be moved?  Are you doing semanage functions during boot up?
It's moving the other direction (presently in /lib, moving to /usr/lib).
Manoj pointed out that because of the ustr dependency, it no longer
makes sense to keep libsemanage in /lib, because libustr lives
in /usr/lib.

Oh, I misread. I think  like a symbolic link should handle this

Although the only entry I see for this is

  ls -l /lib | grep '\.\.'
lrwxrwxrwx.  1 root root      14 2009-10-11 07:36 cpp ->  ../usr/bin/cpp


Having a symbolic link doesn't help. If someone sees libsemanage.so in /lib they should rightly believe that it is available during early boot when in fact it is not since /usr/lib/libustr.so might not be available.

The dynamic linker shouldn't really get upset if it moves so the only issue is leaving a stale one there on non-package managed systems.

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