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- (djm) Some systems (SCO3, NeXT) have weird saved uid semantics. 

Based on patch from Tim Rice <tim@multitalents.net>
This commit is contained in:
Damien Miller 2001-02-26 20:49:58 +11:00
parent 63941f9631
commit bb7c976202
4 changed files with 33 additions and 4 deletions
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4
ChangeLog
View File

@ -1,5 +1,7 @@
20010226
- (bal) Fixed bsd-snprinf.c so it now honors 'BROKEN_SNPRINTF' again.
- (djm) Some systems (SCO3, NeXT) have weird saved uid semantics.
Based on patch from Tim Rice <tim@multitalents.net>
20010225
- (djm) Use %{_libexecdir} rather than hardcoded path in RPM specfile
@ -4129,4 +4131,4 @@
- Wrote replacements for strlcpy and mkdtemp
- Released 1.0pre1
$Id: ChangeLog,v 1.822 2001/02/25 23:20:40 mouring Exp $
$Id: ChangeLog,v 1.823 2001/02/26 09:49:58 djm Exp $

5
acconfig.h
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@ -1,4 +1,4 @@
/* $Id: acconfig.h,v 1.103 2001/02/24 21:41:10 mouring Exp $ */
/* $Id: acconfig.h,v 1.104 2001/02/26 09:49:59 djm Exp $ */
#ifndef _CONFIG_H
#define _CONFIG_H
@ -296,6 +296,9 @@
/* Define if X11 doesn't support AF_UNIX sockets on that system */
#undef NO_X11_UNIX_SOCKETS
/* Needed for SCO and NeXT */
#undef SAVED_IDS_WORK_WITH_SETEUID
@BOTTOM@
/* ******************* Shouldn't need to edit below this line ************** */

5
configure.in
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@ -1,4 +1,4 @@
# $Id: configure.in,v 1.253 2001/02/24 21:41:11 mouring Exp $
# $Id: configure.in,v 1.254 2001/02/26 09:49:59 djm Exp $
AC_INIT(ssh.c)
@ -152,6 +152,7 @@ mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE(HAVE_NEXT)
AC_DEFINE(BROKEN_REALPATH)
AC_DEFINE(USE_PIPES)
AC_DEFINE(SAVED_IDS_WORK_WITH_SETEUID)
CPPFLAGS="$CPPFLAGS -I/usr/local/include"
CFLAGS="$CFLAGS"
;;
@ -238,6 +239,7 @@ mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE(HAVE_SCO_PROTECTED_PW)
AC_DEFINE(DISABLE_SHADOW)
AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
AC_DEFINE(SAVED_IDS_WORK_WITH_SETEUID)
AC_CHECK_FUNCS(getluid setluid)
;;
*-*-sco3.2v5*)
@ -252,6 +254,7 @@ mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE(HAVE_SCO_PROTECTED_PW)
AC_DEFINE(DISABLE_SHADOW)
AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
AC_DEFINE(SAVED_IDS_WORK_WITH_SETEUID)
AC_CHECK_FUNCS(getluid setluid)
;;
*-dec-osf*)

23
entropy.c
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@ -39,7 +39,7 @@
#include "pathnames.h"
#include "log.h"
RCSID("$Id: entropy.c,v 1.29 2001/02/18 11:34:32 stevesk Exp $");
RCSID("$Id: entropy.c,v 1.30 2001/02/26 09:49:59 djm Exp $");
#ifndef offsetof
# define offsetof(type, member) ((size_t) &((type *)0)->member)
@ -825,13 +825,34 @@ void init_rng(void)
prng_seed_saved = 0;
/* Give up privs while reading seed file */
#ifdef SAVED_IDS_WORK_WITH_SETEUID
if ((original_uid != original_euid) && (seteuid(original_uid) == -1))
fatal("Couldn't give up privileges");
#else /* SAVED_IDS_WORK_WITH_SETEUID */
/*
* Propagate the privileged uid to all of our uids.
* Set the effective uid to the given (unprivileged) uid.
*/
if (original_uid != original_euid && setuid(original_euid) == -1 ||
seteuid(original_uid) == -1)
fatal("Couldn't give up privileges");
#endif /* SAVED_IDS_WORK_WITH_SETEUID */
prng_read_seedfile();
#ifdef SAVED_IDS_WORK_WITH_SETEUID
if ((original_uid != original_euid) && (seteuid(original_euid) == -1))
fatal("Couldn't restore privileges");
#else /* SAVED_IDS_WORK_WITH_SETEUID */
/*
* We are unable to restore the real uid to its unprivileged value.
* Propagate the real uid (usually more privileged) to effective uid
* as well.
*/
if (original_uid != original_euid && seteuid(original_euid) == -1 ||
setuid(original_uid) == -1)
fatal("Couldn't restore privileges");
#endif /* SAVED_IDS_WORK_WITH_SETEUID */
fatal_add_cleanup(prng_seed_cleanup, NULL);
atexit(prng_write_seedfile);