- (tim) [CREDITS LICENCE auth.c configure.ac defines.h includes.h session.c

openbsd-compat/Makefile.in openbsd-compat/openbsd-compat.h openbsd-compat/xcrypt.c] New files [openssh/openbsd-compat/port-uw.c openssh/openbsd-compat/port-uw.h] Support long passwords (> 8-char) on UnixWare 7 from Dhiraj Gulati and Ahsan Rashid. Cleanup and testing by tim@. Feedback and OK dtucker@
2005-08-26 13:15:19 -07:00 · 2005-08-26 13:15:19 -07:00 · 2291c00ab2
parent 8cc2ad68cd
commit 2291c00ab2
13 changed files with 189 additions and 7 deletions
--- a/4
+++ b/4
@ -3,6 +3,7 @@ Tatu Ylonen <ylo@cs.hut.fi> - Creator of SSH
 Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos,
 Theo de Raadt, and Dug Song - Creators of OpenSSH

+Ahsan Rashid <arms@sco.com> - UnixWare long passwords
 Alain St-Denis <Alain.St-Denis@ec.gc.ca> - Irix fix
 Alexandre Oliva <oliva@lsd.ic.unicamp.br> - AIX fixes
 Andre Lucas <andre@ae-35.com> - new login code, many fixes
@ -32,6 +33,7 @@ David Del Piero <David.DelPiero@qed.qld.gov.au> - bug fixes
 David Hesprich <darkgrue@gue-tech.org> - Configure fixes
 David Rankin <drankin@bohemians.lexington.ky.us> - libwrap, AIX, NetBSD fixes
 Dag-Erling Smørgrav <des at freebsd.org> - Challenge-Response PAM code.
+Dhiraj Gulati <dgulati@sco.com> - UnixWare long passwords
 Ed Eden <ede370@stl.rural.usda.gov> - configure fixes
 Garrick James <garrick@james.net> - configure fixes
 Gary E. Miller <gem@rellim.com> - SCO support
@ -98,5 +100,5 @@ Apologies to anyone I have missed.

 Damien Miller <djm@mindrot.org>

-$Id: CREDITS,v 1.79 2004/05/26 23:59:31 dtucker Exp $
+$Id: CREDITS,v 1.80 2005/08/26 20:15:20 tim Exp $

--- a/10
+++ b/10
@ -1,3 +1,11 @@
+20050826
+ - (tim) [CREDITS LICENCE auth.c configure.ac defines.h includes.h session.c
+   openbsd-compat/Makefile.in openbsd-compat/openbsd-compat.h
+   openbsd-compat/xcrypt.c] New files [openssh/openbsd-compat/port-uw.c
+   openssh/openbsd-compat/port-uw.h] Support long passwords (> 8-char)
+   on UnixWare 7 from Dhiraj Gulati and Ahsan Rashid. Cleanup and testing
+   by tim@. Feedback and OK dtucker@
+
 20050823
 - (dtucker) [regress/test-exec.sh] Do not prepend an extra "/" to a fully-
   qualified sshd pathname since some systems (eg Cygwin) may consider "/foo"
@ -2953,4 +2961,4 @@
   - (djm) Trim deprecated options from INSTALL. Mention UsePAM
   - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu

-$Id: ChangeLog,v 1.3878 2005/08/24 00:18:21 tim Exp $
+$Id: ChangeLog,v 1.3879 2005/08/26 20:15:19 tim Exp $
--- a/1
+++ b/1
@ -204,6 +204,7 @@ OpenSSH contains no GPL code.
 	William Jones
 	Darren Tucker
 	Sun Microsystems
+	The SCO Group

     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
--- a/auth.c
+++ b/auth.c
@ -97,7 +97,11 @@ allowed_user(struct passwd * pw)
 	/* grab passwd field for locked account check */
 #ifdef USE_SHADOW
 	if (spw != NULL)
+#ifdef HAVE_LIBIAF
+		passwd = get_iaf_password(pw);
+#else
 		passwd = spw->sp_pwdp;
+#endif /* HAVE_LIBIAF */
 #else
 	passwd = pw->pw_passwd;
 #endif
--- a/configure.ac
+++ b/configure.ac
@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.288 2005/08/24 00:11:26 tim Exp $
+# $Id: configure.ac,v 1.289 2005/08/26 20:15:20 tim Exp $
 #
 # Copyright (c) 1999-2004 Damien Miller
 #
@ -446,6 +446,8 @@ mips-sony-bsd|mips-sony-newsos4)
 	;;
 # UnixWare 7.x, OpenUNIX 8
 *-*-sysv5*)
+	check_for_libcrypt_later=1
+	AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
 	AC_DEFINE(USE_PIPES)
 	AC_DEFINE(SETEUID_BREAKS_SETUID)
 	AC_DEFINE(BROKEN_SETREUID)
@ -643,6 +645,7 @@ AC_CHECK_HEADERS( \
 	getopt.h \
 	glob.h \
 	ia.h \
+	iaf.h \
 	lastlog.h \
 	limits.h \
 	login.h \
@ -1721,6 +1724,7 @@ if test "x$check_for_libcrypt_later" = "x1"; then
 	AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 fi

+AC_CHECK_LIB(iaf, ia_openinfo)

 ### Configure cryptographic random number support

--- a/defines.h
+++ b/defines.h
@ -25,7 +25,7 @@
 #ifndef _DEFINES_H
 #define _DEFINES_H

-/* $Id: defines.h,v 1.125 2005/08/24 00:18:21 tim Exp $ */
+/* $Id: defines.h,v 1.126 2005/08/26 20:15:20 tim Exp $ */


 /* Constants */
@ -688,6 +688,10 @@ struct winsize {
 # define CUSTOM_SYS_AUTH_PASSWD 1
 #endif

+#ifdef UNIXWARE_LONG_PASSWORDS
+# define CUSTOM_SYS_AUTH_PASSWD 1
+#endif
+
 /* HP-UX 11.11 */
 #ifdef BTMP_FILE
 # define _PATH_BTMP BTMP_FILE
--- a/includes.h
+++ b/includes.h
@ -169,6 +169,10 @@ static /**/const char *const rcsid[] = { (const char *)rcsid, "\100(#)" msg }
 # include <ia.h>
 #endif

+#ifdef HAVE_IAF_H
+# include <iaf.h>
+#endif
+
 #ifdef HAVE_TMPDIR_H
 # include <tmpdir.h>
 #endif
--- a/openbsd-compat/Makefile.in
+++ b/openbsd-compat/Makefile.in
@ -1,4 +1,4 @@
-# $Id: Makefile.in,v 1.34 2005/06/09 11:45:11 dtucker Exp $
+# $Id: Makefile.in,v 1.35 2005/08/26 20:15:20 tim Exp $

 sysconfdir=@sysconfdir@
 piddir=@piddir@
@ -20,7 +20,7 @@ OPENBSD=base64.o basename.o bindresvport.o daemon.o dirname.o getcwd.o getgroupl

 COMPAT=bsd-arc4random.o bsd-closefrom.o bsd-cray.o bsd-cygwin_util.o bsd-getpeereid.o bsd-misc.o bsd-nextstep.o bsd-openpty.o bsd-snprintf.o bsd-waitpid.o fake-rfc2553.o openssl-compat.o xmmap.o xcrypt.o

-PORTS=port-irix.o port-aix.o
+PORTS=port-irix.o port-aix.o port-uw.o

 .c.o:
 	$(CC) $(CFLAGS) $(CPPFLAGS) -c $<
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@ -1,4 +1,4 @@
-/* $Id: openbsd-compat.h,v 1.29 2005/06/17 11:15:21 dtucker Exp $ */
+/* $Id: openbsd-compat.h,v 1.30 2005/08/26 20:15:20 tim Exp $ */

 /*
 * Copyright (c) 1999-2003 Damien Miller.  All rights reserved.
@ -173,5 +173,6 @@ char *shadow_pw(struct passwd *pw);
 #include "bsd-cygwin_util.h"
 #include "port-irix.h"
 #include "port-aix.h"
+#include "port-uw.h"

 #endif /* _OPENBSD_COMPAT_H */
--- a/openbsd-compat/port-uw.c
+++ b/openbsd-compat/port-uw.c
@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2005 The SCO Group. All rights reserved.
+ * Copyright (c) 2005 Tim Rice. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#ifdef UNIXWARE_LONG_PASSWORDS
+#ifdef HAVE_CRYPT_H
+#include <crypt.h>
+#endif
+#include "packet.h"
+#include "buffer.h"
+#include "log.h"
+#include "servconf.h"
+#include "auth.h"
+#include "auth-options.h"
+
+int nischeck(char *);
+
+int
+sys_auth_passwd(Authctxt *authctxt, const char *password)
+{
+	struct passwd *pw = authctxt->pw;
+	char *encrypted_password;
+	char *salt;
+
+	/* Just use the supplied fake password if authctxt is invalid */
+	char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
+
+	/* Check for users with no password. */
+	if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
+		return (1);
+
+	salt = (pw_password[0] && pw_password[1]) ? pw_password : "xx";
+	if (nischeck(pw->pw_name))
+		return(strcmp(crypt(password, salt), pw_password) == 0);
+	else
+		return(strcmp(bigcrypt(password, salt), pw_password) == 0);
+}
+
+int
+nischeck(char *namep)
+{
+	char password_file[] = "/etc/passwd";
+	FILE *fd;
+	struct passwd *ent = NULL;
+
+	if ((fd = fopen (password_file, "r")) == NULL) {
+		/*
+		 * If the passwd file has dissapeared we are in a bad state.
+		 * However, returning 0 will send us back through the
+		 * authentication scheme that has checked the ia database for
+		 * passwords earlier.
+		 */
+		return(0);
+	}
+
+	/*
+	 * fgetpwent() only reads from password file, so we know for certain
+	 * that the user is local.
+	 */
+	while (ent = fgetpwent(fd)) {
+		if (strcmp (ent->pw_name, namep) == 0) {
+			/* Local user */
+			fclose (fd);
+			return(0);
+		}
+	}
+
+	fclose (fd);
+	return (1);
+}
+
+#endif /* UNIXWARE_LONG_PASSWORDS */
+
+#ifdef HAVE_LIBIAF
+char *
+get_iaf_password(struct passwd *pw)
+{
+	char *pw_password = NULL;
+
+	uinfo_t uinfo;
+	if (!ia_openinfo(pw->pw_name,&uinfo)) {
+		ia_get_logpwd(uinfo, &pw_password);
+		if (pw_password == NULL)
+			fatal("Unable to get the shadow passwd");
+		ia_closeinfo(uinfo);
+	 	return pw_password;
+	}
+	else
+		fatal("Unable to open the shadow passwd file");
+}
+#endif /* HAVE_LIBIAF */
+
--- a/openbsd-compat/port-uw.h
+++ b/openbsd-compat/port-uw.h
@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2005 Tim Rice.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "includes.h"
+
+#ifdef HAVE_LIBIAF
+char * get_iaf_password(struct passwd *pw);
+#endif /* HAVE_LIBIAF */
+
--- a/openbsd-compat/xcrypt.c
+++ b/openbsd-compat/xcrypt.c
@ -91,7 +91,11 @@ shadow_pw(struct passwd *pw)
 	struct spwd *spw = getspnam(pw->pw_name);

 	if (spw != NULL)
+#ifdef HAVE_LIBIAF
+		pw_password = get_iaf_password(pw);
+#else
 		pw_password = spw->sp_pwdp;
+#endif /* HAVE_LIBIAF */
 # endif
 # if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
 	struct passwd_adjunct *spw;
--- a/session.c
+++ b/session.c
@ -1334,6 +1334,11 @@ do_setusercontext(struct passwd *pw)
 # ifdef _AIX
 		aix_usrinfo(pw);
 # endif /* _AIX */
+# ifdef HAVE_LIBIAF
+		if (set_id(pw->pw_name) != 0) {
+			exit(1);
+		}
+# endif
 		/* Permanently switch to the desired uid. */
 		permanently_set_uid(pw);
 #endif