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From: Maxim Sobolev <sobomax@FreeBSD.org>
Date: Tue, 24 Oct 2006 08:18:10 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/usr.bin/su su.c
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sobomax     2006-10-24 08:18:10 UTC

  FreeBSD src repository

  Modified files:
    usr.bin/su           su.c 
  Log:
  Ignore SIGSYS when BSM is compiled in. Otherwise, attempt to invoke su on
  system that don't have audit framefork compiled into kernel or ia32 binary
  on amd64 system will result in SIGSYS. There is one place in su.c itself
  where it tries to check for errno != ENOSYS, but it has been a nop since su
  does not catch SIGSYS anyway. There are few other places in libbsm,
  where attempt to invoke audit syscal would result in SIGSYS if no audit
  support is present in the kernel, so that the only reliable method for
  now is to disable SIGSYS completely in the case when BSM is compiled in.
  
  In the long run, both direct invocation of audit-related syscalls and
  libbsm should be made more intellegent to handle the case when BSM is not
  compiled into the kernel gracefully.
  
  MFC after: 3 days
             (provided re@ approval)
  
  Revision  Changes    Path
  1.82      +2 -0      src/usr.bin/su/su.c