Revision: 24073
          http://sourceforge.net/p/gar/code/24073
Author:   chninkel
Date:     2014-09-07 10:29:27 +0000 (Sun, 07 Sep 2014)
Log Message:
-----------
openssh/trunk: updated to current 6.7p1 snapshot

Modified Paths:
--------------
    csw/mgar/pkg/openssh/trunk/Makefile
    csw/mgar/pkg/openssh/trunk/checksums
    csw/mgar/pkg/openssh/trunk/files/CSWopenssh.cswreleasenotes
    csw/mgar/pkg/openssh/trunk/files/CSWopenssh_client.cswreleasenotes

Added Paths:
-----------
    csw/mgar/pkg/openssh/trunk/files/openssh-6.7p1-gsskex-all-20140907.patch

Removed Paths:
-------------
    csw/mgar/pkg/openssh/trunk/files/openssh-6.6p1-gsskex-all-20140320.patch

Modified: csw/mgar/pkg/openssh/trunk/Makefile
===================================================================
--- csw/mgar/pkg/openssh/trunk/Makefile 2014-09-07 10:26:04 UTC (rev 24072)
+++ csw/mgar/pkg/openssh/trunk/Makefile 2014-09-07 10:29:27 UTC (rev 24073)
@@ -12,7 +12,7 @@
 ###### Package information #######
 
 NAME = openssh
-VERSION = 6.6p1
+VERSION = 6.7p1
 GSSKEX_PATCH_VERSION = 6.6p1
 GSSKEX_PATCH_DATE = 20140320
 GARTYPE = v2
@@ -36,7 +36,6 @@
 SPKG_DESC_CSWopenssh = OpenSSH Secure Shell server 
 BUILD_DEP_PKGS = CSWautoconf CSWlibssl-dev CSWlibz-dev
 RUNTIME_DEP_PKGS_CSWopenssh += CSWlibssl1-0-0
-RUNTIME_DEP_PKGS_CSWopenssh += CSWlibwrap1
 RUNTIME_DEP_PKGS_CSWopenssh += CSWlibz1
 RUNTIME_DEP_PKGS_CSWopenssh += CSWlibkrb5-3
 RUNTIME_DEP_PKGS_CSWopenssh += CSWlibcom-err3
@@ -116,13 +115,15 @@
 
 ###### Upstream and OpenCSW files information #######
 
-MASTER_SITES = ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/ 
http://www.sxw.org.uk/computing/patches/
+MASTER_SITES = ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/ 
http://www.sxw.org.uk/computing/patches/ http://www.mindrot.org/openssh_snap/
 UPSTREAM_MASTER_SITES = ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/
 
 # We define upstream file regex so we can be notifed of new upstream software 
release
 UFILES_REGEX = $(NAME)-(\d+(?:\.\d+)*p\d+).tar.gz
 
-DISTFILES  = $(NAME)-$(VERSION).tar.gz
+#DISTFILES  = $(NAME)-$(VERSION).tar.gz
+DISTFILES  = openssh-SNAP-20140907.tar.gz
+DISTNAME   = openssh
 DISTFILES += CSWopenssh.cswreleasenotes
 DISTFILES += CSWopenssh_client.cswreleasenotes
 DISTFILES += cswusergroup

Modified: csw/mgar/pkg/openssh/trunk/checksums
===================================================================
--- csw/mgar/pkg/openssh/trunk/checksums        2014-09-07 10:26:04 UTC (rev 
24072)
+++ csw/mgar/pkg/openssh/trunk/checksums        2014-09-07 10:29:27 UTC (rev 
24073)
@@ -1 +1 @@
-3e9800e6bca1fbac0eea4d41baa7f239  openssh-6.6p1.tar.gz
+3c66cb6d7c729ba9963eb7af7ff06f51  openssh-SNAP-20140907.tar.gz

Modified: csw/mgar/pkg/openssh/trunk/files/CSWopenssh.cswreleasenotes
===================================================================
--- csw/mgar/pkg/openssh/trunk/files/CSWopenssh.cswreleasenotes 2014-09-07 
10:26:04 UTC (rev 24072)
+++ csw/mgar/pkg/openssh/trunk/files/CSWopenssh.cswreleasenotes 2014-09-07 
10:29:27 UTC (rev 24073)
@@ -1,3 +1,10 @@
+openssh (6.7p1,REV=UNRELEASED) unstable
+
+  * New upstream release.
+  * Updated the GSSAPI key exchange patch
+
+ -- Yann Rouillard <[email protected]>  Sun, 07 Sep 2014 12:27:42 +0100
+
 openssh (6.6p1,REV=2014.03.20) unstable
 
   * New upstream release.

Modified: csw/mgar/pkg/openssh/trunk/files/CSWopenssh_client.cswreleasenotes
===================================================================
--- csw/mgar/pkg/openssh/trunk/files/CSWopenssh_client.cswreleasenotes  
2014-09-07 10:26:04 UTC (rev 24072)
+++ csw/mgar/pkg/openssh/trunk/files/CSWopenssh_client.cswreleasenotes  
2014-09-07 10:29:27 UTC (rev 24073)
@@ -1,3 +1,10 @@
+openssh (6.7p1,REV=UNRELEASED) unstable
+
+  * New upstream release.
+  * Updated the GSSAPI key exchange patch
+
+ -- Yann Rouillard <[email protected]>  Sun, 07 Sep 2014 12:27:42 +0100
+
 openssh (6.6p1,REV=2014.03.20) unstable
 
   * New upstream release.

Deleted: 
csw/mgar/pkg/openssh/trunk/files/openssh-6.6p1-gsskex-all-20140320.patch
===================================================================
--- csw/mgar/pkg/openssh/trunk/files/openssh-6.6p1-gsskex-all-20140320.patch    
2014-09-07 10:26:04 UTC (rev 24072)
+++ csw/mgar/pkg/openssh/trunk/files/openssh-6.6p1-gsskex-all-20140320.patch    
2014-09-07 10:29:27 UTC (rev 24073)
@@ -1,2938 +0,0 @@
-diff --speed-large-files --minimal -Nru openssh-5.8p1/ChangeLog.gssapi 
openssh-5.8p1.new/ChangeLog.gssapi
---- openssh-5.8p1/ChangeLog.gssapi     1970-01-01 01:00:00.000000000 +0100
-+++ openssh-5.8p1.new/ChangeLog.gssapi 2011-02-12 18:07:10.948345760 +0100
-@@ -0,0 +1,113 @@
-+20110101
-+  - Finally update for OpenSSH 5.6p1
-+  - Add GSSAPIServerIdentity option from Jim Basney
-+ 
-+20100308
-+  - [ Makefile.in, key.c, key.h ]
-+    Updates for OpenSSH 5.4p1
-+  - [ servconf.c ]
-+    Include GSSAPI options in the sshd -T configuration dump, and flag
-+    some older configuration options as being unsupported. Thanks to Colin 
-+    Watson.
-+  -
-+
-+20100124
-+  - [ sshconnect2.c ]
-+    Adapt to deal with additional element in Authmethod structure. Thanks to
-+    Colin Watson
-+
-+20090615
-+  - [ gss-genr.c gss-serv.c kexgssc.c kexgsss.c monitor.c sshconnect2.c
-+      sshd.c ]
-+    Fix issues identified by Greg Hudson following a code review
-+      Check return value of gss_indicate_mechs
-+      Protect GSSAPI calls in monitor, so they can only be used if enabled
-+      Check return values of bignum functions in key exchange
-+      Use BN_clear_free to clear other side's DH value
-+      Make ssh_gssapi_id_kex more robust
-+      Only configure kex table pointers if GSSAPI is enabled
-+      Don't leak mechanism list, or gss mechanism list
-+      Cast data.length before printing
-+      If serverkey isn't provided, use an empty string, rather than NULL
-+
-+20090201
-+  - [ gss-genr.c gss-serv.c kex.h kexgssc.c readconf.c readconf.h ssh-gss.h
-+      ssh_config.5 sshconnet2.c ]
-+    Add support for the GSSAPIClientIdentity option, which allows the user
-+    to specify which GSSAPI identity to use to contact a given server
-+
-+20080404
-+  - [ gss-serv.c ]
-+    Add code to actually implement GSSAPIStrictAcceptCheck, which had somehow
-+    been omitted from a previous version of this patch. Reported by Borislav
-+    Stoichkov
-+
-+20070317
-+  - [ gss-serv-krb5.c ]
-+    Remove C99ism, where new_ccname was being declared in the middle of a 
-+    function
-+
-+20061220
-+  - [ servconf.c ]
-+    Make default for GSSAPIStrictAcceptorCheck be Yes, to match previous, and 
-+    documented, behaviour. Reported by Dan Watson.
-+
-+20060910
-+  - [ gss-genr.c kexgssc.c kexgsss.c kex.h monitor.c sshconnect2.c sshd.c
-+      ssh-gss.h ]
-+    add support for gss-group14-sha1 key exchange mechanisms
-+  - [ gss-serv.c servconf.c servconf.h sshd_config sshd_config.5 ]
-+    Add GSSAPIStrictAcceptorCheck option to allow the disabling of
-+    acceptor principal checking on multi-homed machines.
-+    <Bugzilla #928>
-+  - [ sshd_config ssh_config ]
-+    Add settings for GSSAPIKeyExchange and GSSAPITrustDNS to the sample
-+    configuration files
-+  - [ kexgss.c kegsss.c sshconnect2.c sshd.c ]
-+    Code cleanup. Replace strlen/xmalloc/snprintf sequences with xasprintf()
-+    Limit length of error messages displayed by client
-+
-+20060909
-+  - [ gss-genr.c gss-serv.c ]
-+    move ssh_gssapi_acquire_cred() and ssh_gssapi_server_ctx to be server
-+    only, where they belong 
-+    <Bugzilla #1225>
-+
-+20060829
-+  - [ gss-serv-krb5.c ]
-+    Fix CCAPI credentials cache name when creating KRB5CCNAME environment 
-+    variable
-+
-+20060828
-+  - [ gss-genr.c ]
-+    Avoid Heimdal context freeing problem
-+    <Fixed upstream 20060829>
-+
-+20060818
-+  - [ gss-genr.c ssh-gss.h sshconnect2.c ]
-+    Make sure that SPENGO is disabled 
-+    <Bugzilla #1218 - Fixed upstream 20060818>
-+
-+20060421
-+  - [ gssgenr.c, sshconnect2.c ]
-+    a few type changes (signed versus unsigned, int versus size_t) to
-+    fix compiler errors/warnings 
-+    (from jbasney AT ncsa.uiuc.edu)
-+  - [ kexgssc.c, sshconnect2.c ]
-+    fix uninitialized variable warnings
-+    (from jbasney AT ncsa.uiuc.edu)
-+  - [ gssgenr.c ]
-+    pass oid to gss_display_status (helpful when using GSSAPI mechglue)
-+    (from jbasney AT ncsa.uiuc.edu)
-+    <Bugzilla #1220 >
-+  - [ gss-serv-krb5.c ]
-+    #ifdef HAVE_GSSAPI_KRB5 should be #ifdef HAVE_GSSAPI_KRB5_H
-+    (from jbasney AT ncsa.uiuc.edu)
-+    <Fixed upstream 20060304>
-+  - [ readconf.c, readconf.h, ssh_config.5, sshconnect2.c 
-+    add client-side GssapiKeyExchange option
-+    (from jbasney AT ncsa.uiuc.edu)
-+  - [ sshconnect2.c ]
-+    add support for GssapiTrustDns option for gssapi-with-mic
-+    (from jbasney AT ncsa.uiuc.edu)
-+    <gssapi-with-mic support is Bugzilla #1008>
-diff --speed-large-files --minimal -Nru openssh-5.8p1/Makefile.in 
openssh-5.8p1.new/Makefile.in
---- openssh-5.8p1/Makefile.in  2011-02-04 01:42:13.000000000 +0100
-+++ openssh-5.8p1.new/Makefile.in      2011-02-12 18:07:10.990611445 +0100
-@@ -75,6 +75,7 @@
-       atomicio.o key.o dispatch.o kex.o mac.o uidswap.o uuencode.o misc.o \
-       monitor_fdpass.o rijndael.o ssh-dss.o ssh-ecdsa.o ssh-rsa.o dh.o \
-       kexdh.o kexgex.o kexdhc.o kexgexc.o bufec.o kexecdh.o kexecdhc.o \
-+      kexgssc.o \
-       msg.o progressmeter.o dns.o entropy.o gss-genr.o umac.o umac128.o \
-       jpake.o schnorr.o ssh-pkcs11.o kr1.o
- 
-@@ -91,7 +92,7 @@
-       auth2-none.o auth2-passwd.o auth2-pubkey.o auth2-jpake.o \
-       monitor_mm.o monitor.o monitor_wrap.o kexdhs.o kexgexs.o kexecdhs.o \
-       kexc25519s.o auth-krb5.o \
--      auth2-gss.o gss-serv.o gss-serv-krb5.o \
-+      auth2-gss.o gss-serv.o gss-serv-krb5.o kexgsss.o\
-       loginrec.o auth-pam.o auth-shadow.o auth-sia.o md5crypt.o \
-       sftp-server.o sftp-common.o \
-       roaming_common.o roaming_serv.o
-diff --speed-large-files --minimal -Nru openssh-5.8p1/auth-krb5.c 
openssh-5.8p1.new/auth-krb5.c
---- openssh-5.8p1/auth-krb5.c  2009-12-21 00:49:22.000000000 +0100
-+++ openssh-5.8p1.new/auth-krb5.c      2011-02-12 18:07:11.002529804 +0100
-@@ -170,8 +170,13 @@
- 
-       len = strlen(authctxt->krb5_ticket_file) + 6;
-       authctxt->krb5_ccname = xmalloc(len);
-+#ifdef USE_CCAPI
-+      snprintf(authctxt->krb5_ccname, len, "API:%s",
-+          authctxt->krb5_ticket_file);
-+#else
-       snprintf(authctxt->krb5_ccname, len, "FILE:%s",
-           authctxt->krb5_ticket_file);
-+#endif
- 
- #ifdef USE_PAM
-       if (options.use_pam)
-@@ -226,15 +231,22 @@
- #ifndef HEIMDAL
- krb5_error_code
- ssh_krb5_cc_gen(krb5_context ctx, krb5_ccache *ccache) {
--      int tmpfd, ret, oerrno;
-+      int ret;
-       char ccname[40];
-       mode_t old_umask;
-+#ifdef USE_CCAPI
-+      char cctemplate[] = "API:krb5cc_%d";
-+#else
-+      char cctemplate[] = "FILE:/tmp/krb5cc_%d_XXXXXXXXXX";
-+      int tmpfd, oerrno;
-+#endif
- 
-       ret = snprintf(ccname, sizeof(ccname),
--          "FILE:/tmp/krb5cc_%d_XXXXXXXXXX", geteuid());
-+          cctemplate, geteuid());
-       if (ret < 0 || (size_t)ret >= sizeof(ccname))
-               return ENOMEM;
- 
-+#ifndef USE_CCAPI
-       old_umask = umask(0177);
-       tmpfd = mkstemp(ccname + strlen("FILE:"));
-       oerrno = errno;
-@@ -249,6 +261,7 @@
-               return oerrno;
-       }
-       close(tmpfd);
-+#endif
- 
-       return (krb5_cc_resolve(ctx, ccname, ccache));
- }
-diff --speed-large-files --minimal -Nru openssh-5.8p1/auth2-gss.c 
openssh-5.8p1.new/auth2-gss.c
---- openssh-5.8p1/auth2-gss.c  2007-12-02 12:59:45.000000000 +0100
-+++ openssh-5.8p1.new/auth2-gss.c      2011-02-12 18:07:11.030761708 +0100
-@@ -1,7 +1,7 @@
- /* $OpenBSD: auth2-gss.c,v 1.16 2007/10/29 00:52:45 dtucker Exp $ */
- 
- /*
-- * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
-+ * Copyright (c) 2001-2007 Simon Wilkinson. All rights reserved.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-@@ -52,6 +52,40 @@
- static void input_gssapi_exchange_complete(int type, u_int32_t plen, void 
*ctxt);
- static void input_gssapi_errtok(int, u_int32_t, void *);
- 
-+/* 
-+ * The 'gssapi_keyex' userauth mechanism.
-+ */
-+static int
-+userauth_gsskeyex(Authctxt *authctxt)
-+{
-+      int authenticated = 0;
-+      Buffer b;
-+      gss_buffer_desc mic, gssbuf;
-+      u_int len;
-+
-+      mic.value = packet_get_string(&len);
-+      mic.length = len;
-+
-+      packet_check_eom();
-+
-+      ssh_gssapi_buildmic(&b, authctxt->user, authctxt->service,
-+          "gssapi-keyex");
-+
-+      gssbuf.value = buffer_ptr(&b);
-+      gssbuf.length = buffer_len(&b);
-+
-+      /* gss_kex_context is NULL with privsep, so we can't check it here */
-+      if (!GSS_ERROR(PRIVSEP(ssh_gssapi_checkmic(gss_kex_context, 
-+          &gssbuf, &mic))))
-+              authenticated = PRIVSEP(ssh_gssapi_userok(authctxt->user,
-+                  authctxt->pw));
-+      
-+      buffer_free(&b);
-+      free(mic.value);
-+
-+      return (authenticated);
-+}
-+
- /*
-  * We only support those mechanisms that we know about (ie ones that we know
-  * how to check local user kuserok and the like)
-@@ -242,7 +278,8 @@
- 
-       packet_check_eom();
- 
--      authenticated = PRIVSEP(ssh_gssapi_userok(authctxt->user));
-+      authenticated = PRIVSEP(ssh_gssapi_userok(authctxt->user,
-+          authctxt->pw));
- 
-       authctxt->postponed = 0;
-       dispatch_set(SSH2_MSG_USERAUTH_GSSAPI_TOKEN, NULL);
-@@ -277,7 +314,8 @@
-       gssbuf.length = buffer_len(&b);
- 
-       if (!GSS_ERROR(PRIVSEP(ssh_gssapi_checkmic(gssctxt, &gssbuf, &mic))))
--              authenticated = PRIVSEP(ssh_gssapi_userok(authctxt->user));
-+              authenticated = 
-+                  PRIVSEP(ssh_gssapi_userok(authctxt->user, authctxt->pw));
-       else
-               logit("GSSAPI MIC check failed");
- 
-@@ -292,6 +330,12 @@
-       userauth_finish(authctxt, authenticated, "gssapi-with-mic");
- }
- 
-+Authmethod method_gsskeyex = {
-+      "gssapi-keyex",
-+      userauth_gsskeyex,
-+      &options.gss_authentication
-+};
-+
- Authmethod method_gssapi = {
-       "gssapi-with-mic",
-       userauth_gssapi,
-diff --speed-large-files --minimal -Nru openssh-5.8p1/auth2.c 
openssh-5.8p1.new/auth2.c
---- openssh-5.8p1/auth2.c      2010-08-31 14:36:39.000000000 +0200
-+++ openssh-5.8p1.new/auth2.c  2011-02-12 18:07:11.043418162 +0100
-@@ -69,6 +69,7 @@
- extern Authmethod method_kbdint;
- extern Authmethod method_hostbased;
- #ifdef GSSAPI
-+extern Authmethod method_gsskeyex;
- extern Authmethod method_gssapi;
- #endif
- #ifdef JPAKE
-@@ -79,6 +80,7 @@
-       &method_none,
-       &method_pubkey,
- #ifdef GSSAPI
-+      &method_gsskeyex,
-       &method_gssapi,
- #endif
- #ifdef JPAKE
-diff --speed-large-files --minimal -Nru openssh-5.8p1/clientloop.c 
openssh-5.8p1.new/clientloop.c
---- openssh-5.8p1/clientloop.c 2011-01-16 13:18:35.000000000 +0100
-+++ openssh-5.8p1.new/clientloop.c     2011-02-12 18:07:11.063578136 +0100
-@@ -111,6 +111,10 @@
- #include "msg.h"
- #include "roaming.h"
- 
-+#ifdef GSSAPI
-+#include "ssh-gss.h"
-+#endif
-+
- /* import options */
- extern Options options;
- 
-@@ -1483,6 +1487,15 @@
-               /* Do channel operations unless rekeying in progress. */
-               if (!rekeying) {
-                       channel_after_select(readset, writeset);
-+
-+#ifdef GSSAPI
-+                      if (options.gss_renewal_rekey &&
-+                          ssh_gssapi_credentials_updated(GSS_C_NO_CONTEXT)) {
-+                              debug("credentials updated - forcing rekey");
-+                              need_rekeying = 1;
-+                      }
-+#endif
-+
-                       if (need_rekeying || packet_need_rekeying()) {
-                               debug("need rekeying");
-                               xxx_kex->done = 0;
-diff --speed-large-files --minimal -Nru openssh-5.8p1/configure.ac 
openssh-5.8p1.new/configure.ac
---- openssh-5.8p1/configure.ac 2011-02-04 01:42:14.000000000 +0100
-+++ openssh-5.8p1.new/configure.ac     2011-02-12 18:07:11.092748915 +0100
-@@ -514,6 +514,30 @@
-           [Use tunnel device compatibility to OpenBSD])
-       AC_DEFINE([SSH_TUN_PREPEND_AF], [1],
-           [Prepend the address family to IP tunnel traffic])
-+      AC_MSG_CHECKING(if we have the Security Authorization Session API)
-+      AC_TRY_COMPILE([#include <Security/AuthSession.h>],
-+              [SessionCreate(0, 0);],
-+              [ac_cv_use_security_session_api="yes"
-+               AC_DEFINE(USE_SECURITY_SESSION_API, 1, 
-+                      [platform has the Security Authorization Session API])
-+               LIBS="$LIBS -framework Security"
-+               AC_MSG_RESULT(yes)],
-+              [ac_cv_use_security_session_api="no"
-+               AC_MSG_RESULT(no)])
-+      AC_MSG_CHECKING(if we have an in-memory credentials cache)
-+      AC_TRY_COMPILE(
-+              [#include <Kerberos/Kerberos.h>],
-+              [cc_context_t c;
-+               (void) cc_initialize (&c, 0, NULL, NULL);],
-+              [AC_DEFINE(USE_CCAPI, 1, 
-+                      [platform uses an in-memory credentials cache])
-+               LIBS="$LIBS -framework Security"
-+               AC_MSG_RESULT(yes)
-+               if test "x$ac_cv_use_security_session_api" = "xno"; then
-+                      AC_MSG_ERROR(*** Need a security framework to use the 
credentials cache API ***)
-+              fi],
-+              [AC_MSG_RESULT(no)]
-+      )
-       m4_pattern_allow([AU_IPv])
-       AC_CHECK_DECL([AU_IPv4], [], 
-           AC_DEFINE([AU_IPv4], 0, [System only supports IPv4 audit records])
-diff --speed-large-files --minimal -Nru openssh-5.8p1/gss-genr.c 
openssh-5.8p1.new/gss-genr.c
---- openssh-5.8p1/gss-genr.c   2009-06-22 08:11:07.000000000 +0200
-+++ openssh-5.8p1.new/gss-genr.c       2011-02-12 18:07:11.108432434 +0100
-@@ -1,7 +1,7 @@
- /* $OpenBSD: gss-genr.c,v 1.20 2009/06/22 05:39:28 dtucker Exp $ */
- 
- /*
-- * Copyright (c) 2001-2007 Simon Wilkinson. All rights reserved.
-+ * Copyright (c) 2001-2009 Simon Wilkinson. All rights reserved.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-@@ -39,12 +39,167 @@
- #include "buffer.h"
- #include "log.h"
- #include "ssh2.h"
-+#include "cipher.h"
-+#include "key.h"
-+#include "kex.h"
-+#include <openssl/evp.h>
- 
- #include "ssh-gss.h"
- 
- extern u_char *session_id2;
- extern u_int session_id2_len;
- 
-+typedef struct {
-+      char *encoded;
-+      gss_OID oid;
-+} ssh_gss_kex_mapping;
-+
-+/*
-+ * XXX - It would be nice to find a more elegant way of handling the
-+ * XXX   passing of the key exchange context to the userauth routines
-+ */
-+
-+Gssctxt *gss_kex_context = NULL;
-+
-+static ssh_gss_kex_mapping *gss_enc2oid = NULL;
-+
-+int 
-+ssh_gssapi_oid_table_ok() {
-+      return (gss_enc2oid != NULL);
-+}
-+
-+/*
-+ * Return a list of the gss-group1-sha1 mechanisms supported by this program
-+ *
-+ * We test mechanisms to ensure that we can use them, to avoid starting
-+ * a key exchange with a bad mechanism
-+ */
-+
-+char *
-+ssh_gssapi_client_mechanisms(const char *host, const char *client) {
-+      gss_OID_set gss_supported;
-+      OM_uint32 min_status;
-+
-+      if (GSS_ERROR(gss_indicate_mechs(&min_status, &gss_supported)))
-+              return NULL;
-+
-+      return(ssh_gssapi_kex_mechs(gss_supported, ssh_gssapi_check_mechanism,
-+          host, client));
-+}
-+
-+char *
-+ssh_gssapi_kex_mechs(gss_OID_set gss_supported, ssh_gssapi_check_fn *check,
-+    const char *host, const char *client) {
-+      Buffer buf;
-+      size_t i;
-+      int oidpos, enclen;
-+      char *mechs, *encoded;
-+      u_char digest[EVP_MAX_MD_SIZE];
-+      char deroid[2];
-+      const EVP_MD *evp_md = EVP_md5();
-+      EVP_MD_CTX md;
-+
-+      if (gss_enc2oid != NULL) {
-+              for (i = 0; gss_enc2oid[i].encoded != NULL; i++)
-+                      free(gss_enc2oid[i].encoded);
-+              free(gss_enc2oid);
-+      }
-+
-+      gss_enc2oid = xmalloc(sizeof(ssh_gss_kex_mapping) *
-+          (gss_supported->count + 1));
-+
-+      buffer_init(&buf);
-+
-+      oidpos = 0;
-+      for (i = 0; i < gss_supported->count; i++) {
-+              if (gss_supported->elements[i].length < 128 &&
-+                  (*check)(NULL, &(gss_supported->elements[i]), host, 
client)) {
-+
-+                      deroid[0] = SSH_GSS_OIDTYPE;
-+                      deroid[1] = gss_supported->elements[i].length;
-+
-+                      EVP_DigestInit(&md, evp_md);
-+                      EVP_DigestUpdate(&md, deroid, 2);
-+                      EVP_DigestUpdate(&md,
-+                          gss_supported->elements[i].elements,
-+                          gss_supported->elements[i].length);
-+                      EVP_DigestFinal(&md, digest, NULL);
-+
-+                      encoded = xmalloc(EVP_MD_size(evp_md) * 2);
-+                      enclen = __b64_ntop(digest, EVP_MD_size(evp_md),
-+                          encoded, EVP_MD_size(evp_md) * 2);
-+
-+                      if (oidpos != 0)
-+                              buffer_put_char(&buf, ',');
-+
-+                      buffer_append(&buf, KEX_GSS_GEX_SHA1_ID,
-+                          sizeof(KEX_GSS_GEX_SHA1_ID) - 1);
-+                      buffer_append(&buf, encoded, enclen);
-+                      buffer_put_char(&buf, ',');
-+                      buffer_append(&buf, KEX_GSS_GRP1_SHA1_ID, 
-+                          sizeof(KEX_GSS_GRP1_SHA1_ID) - 1);
-+                      buffer_append(&buf, encoded, enclen);
-+                      buffer_put_char(&buf, ',');
-+                      buffer_append(&buf, KEX_GSS_GRP14_SHA1_ID,
-+                          sizeof(KEX_GSS_GRP14_SHA1_ID) - 1);
-+                      buffer_append(&buf, encoded, enclen);
-+
-+                      gss_enc2oid[oidpos].oid = &(gss_supported->elements[i]);
-+                      gss_enc2oid[oidpos].encoded = encoded;
-+                      oidpos++;
-+              }
-+      }
-+      gss_enc2oid[oidpos].oid = NULL;
-+      gss_enc2oid[oidpos].encoded = NULL;
-+
-+      buffer_put_char(&buf, '\0');
-+
-+      mechs = xmalloc(buffer_len(&buf));
-+      buffer_get(&buf, mechs, buffer_len(&buf));
-+      buffer_free(&buf);
-+
-+      if (strlen(mechs) == 0) {
-+              free(mechs);
-+              mechs = NULL;
-+      }
-+      
-+      return (mechs);
-+}
-+
-+gss_OID
-+ssh_gssapi_id_kex(Gssctxt *ctx, char *name, int kex_type) {
-+      int i = 0;
-+      
-+      switch (kex_type) {
-+      case KEX_GSS_GRP1_SHA1:
-+              if (strlen(name) < sizeof(KEX_GSS_GRP1_SHA1_ID))
-+                      return GSS_C_NO_OID;
-+              name += sizeof(KEX_GSS_GRP1_SHA1_ID) - 1;
-+              break;
-+      case KEX_GSS_GRP14_SHA1:
-+              if (strlen(name) < sizeof(KEX_GSS_GRP14_SHA1_ID))
-+                      return GSS_C_NO_OID;
-+              name += sizeof(KEX_GSS_GRP14_SHA1_ID) - 1;
-+              break;
-+      case KEX_GSS_GEX_SHA1:
-+              if (strlen(name) < sizeof(KEX_GSS_GEX_SHA1_ID))
-+                      return GSS_C_NO_OID;
-+              name += sizeof(KEX_GSS_GEX_SHA1_ID) - 1;
-+              break;
-+      default:
-+              return GSS_C_NO_OID;
-+      }
-+
-+      while (gss_enc2oid[i].encoded != NULL &&
-+          strcmp(name, gss_enc2oid[i].encoded) != 0)
-+              i++;
-+
-+      if (gss_enc2oid[i].oid != NULL && ctx != NULL)
-+              ssh_gssapi_set_oid(ctx, gss_enc2oid[i].oid);
-+
-+      return gss_enc2oid[i].oid;
-+}
-+
- /* Check that the OID in a data stream matches that in the context */
- int
- ssh_gssapi_check_oid(Gssctxt *ctx, void *data, size_t len)
-@@ -197,7 +352,7 @@
-       }
- 
-       ctx->major = gss_init_sec_context(&ctx->minor,
--          GSS_C_NO_CREDENTIAL, &ctx->context, ctx->name, ctx->oid,
-+          ctx->client_creds, &ctx->context, ctx->name, ctx->oid,
-           GSS_C_MUTUAL_FLAG | GSS_C_INTEG_FLAG | deleg_flag,
-           0, NULL, recv_tok, NULL, send_tok, flags, NULL);
- 
-@@ -227,8 +382,42 @@
- }
- 
- OM_uint32
-+ssh_gssapi_client_identity(Gssctxt *ctx, const char *name)
-+{
-+      gss_buffer_desc gssbuf;
-+      gss_name_t gssname;
-+      OM_uint32 status;
-+      gss_OID_set oidset;
-+
-+      gssbuf.value = (void *) name;
-+      gssbuf.length = strlen(gssbuf.value);
-+
-+      gss_create_empty_oid_set(&status, &oidset);
-+      gss_add_oid_set_member(&status, ctx->oid, &oidset);
-+
-+      ctx->major = gss_import_name(&ctx->minor, &gssbuf,
-+          GSS_C_NT_USER_NAME, &gssname);
-+
-+      if (!ctx->major)
-+              ctx->major = gss_acquire_cred(&ctx->minor, 
-+                  gssname, 0, oidset, GSS_C_INITIATE, 
-+                  &ctx->client_creds, NULL, NULL);
-+
-+      gss_release_name(&status, &gssname);
-+      gss_release_oid_set(&status, &oidset);
-+
-+      if (ctx->major)
-+              ssh_gssapi_error(ctx);
-+
-+      return(ctx->major);
-+}
-+
-+OM_uint32
- ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_t buffer, gss_buffer_t hash)
- {
-+      if (ctx == NULL) 
-+              return -1;
-+
-       if ((ctx->major = gss_get_mic(&ctx->minor, ctx->context,
-           GSS_C_QOP_DEFAULT, buffer, hash)))
-               ssh_gssapi_error(ctx);
-@@ -236,6 +425,19 @@
-       return (ctx->major);
- }
- 
-+/* Priviledged when used by server */
-+OM_uint32
-+ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
-+{
-+      if (ctx == NULL)
-+              return -1;
-+
-+      ctx->major = gss_verify_mic(&ctx->minor, ctx->context,
-+          gssbuf, gssmic, NULL);
-+
-+      return (ctx->major);
-+}
-+
- void
- ssh_gssapi_buildmic(Buffer *b, const char *user, const char *service,
-     const char *context)
-@@ -249,11 +451,16 @@
- }
- 
- int
--ssh_gssapi_check_mechanism(Gssctxt **ctx, gss_OID oid, const char *host)
-+ssh_gssapi_check_mechanism(Gssctxt **ctx, gss_OID oid, const char *host, 
-+    const char *client)
- {
-       gss_buffer_desc token = GSS_C_EMPTY_BUFFER;
-       OM_uint32 major, minor;
-       gss_OID_desc spnego_oid = {6, (void *)"\x2B\x06\x01\x05\x05\x02"};
-+      Gssctxt *intctx = NULL;
-+
-+      if (ctx == NULL)
-+              ctx = &intctx;
- 
-       /* RFC 4462 says we MUST NOT do SPNEGO */
-       if (oid->length == spnego_oid.length && 
-@@ -263,6 +470,10 @@
-       ssh_gssapi_build_ctx(ctx);
-       ssh_gssapi_set_oid(*ctx, oid);
-       major = ssh_gssapi_import_name(*ctx, host);
-+
-+      if (!GSS_ERROR(major) && client)
-+              major = ssh_gssapi_client_identity(*ctx, client);
-+
-       if (!GSS_ERROR(major)) {
-               major = ssh_gssapi_init_ctx(*ctx, 0, GSS_C_NO_BUFFER, &token, 
-                   NULL);
-@@ -272,10 +483,67 @@
-                           GSS_C_NO_BUFFER);
-       }
- 
--      if (GSS_ERROR(major)) 
-+      if (GSS_ERROR(major) || intctx != NULL) 
-               ssh_gssapi_delete_ctx(ctx);
- 
-       return (!GSS_ERROR(major));
- }
- 
-+int
-+ssh_gssapi_credentials_updated(Gssctxt *ctxt) {
-+      static gss_name_t saved_name = GSS_C_NO_NAME;
-+      static OM_uint32 saved_lifetime = 0;
-+      static gss_OID saved_mech = GSS_C_NO_OID;
-+      static gss_name_t name;
-+      static OM_uint32 last_call = 0;
-+      OM_uint32 lifetime, now, major, minor;
-+      int equal;
-+      gss_cred_usage_t usage = GSS_C_INITIATE;
-+      
-+      now = time(NULL);
-+
-+      if (ctxt) {
-+              debug("Rekey has happened - updating saved versions");
-+
-+              if (saved_name != GSS_C_NO_NAME)
-+                      gss_release_name(&minor, &saved_name);
-+
-+              major = gss_inquire_cred(&minor, GSS_C_NO_CREDENTIAL,
-+                  &saved_name, &saved_lifetime, NULL, NULL);
-+
-+              if (!GSS_ERROR(major)) {
-+                      saved_mech = ctxt->oid;
-+                      saved_lifetime+= now;
-+              } else {
-+                      /* Handle the error */
-+              }
-+              return 0;
-+      }
-+
-+      if (now - last_call < 10)
-+              return 0;
-+
-+      last_call = now;
-+
-+      if (saved_mech == GSS_C_NO_OID)
-+              return 0;
-+      
-+      major = gss_inquire_cred(&minor, GSS_C_NO_CREDENTIAL, 
-+          &name, &lifetime, NULL, NULL);
-+      if (major == GSS_S_CREDENTIALS_EXPIRED)
-+              return 0;
-+      else if (GSS_ERROR(major))
-+              return 0;
-+
-+      major = gss_compare_name(&minor, saved_name, name, &equal);
-+      gss_release_name(&minor, &name);
-+      if (GSS_ERROR(major))
-+              return 0;
-+
-+      if (equal && (saved_lifetime < lifetime + now - 10))
-+              return 1;
-+
-+      return 0;
-+}
-+
- #endif /* GSSAPI */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/gss-serv-krb5.c 
openssh-5.8p1.new/gss-serv-krb5.c
---- openssh-5.8p1/gss-serv-krb5.c      2006-09-01 07:38:36.000000000 +0200
-+++ openssh-5.8p1.new/gss-serv-krb5.c  2011-02-12 18:07:11.123072516 +0100
-@@ -1,7 +1,7 @@
- /* $OpenBSD: gss-serv-krb5.c,v 1.7 2006/08/03 03:34:42 deraadt Exp $ */
- 
- /*
-- * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
-+ * Copyright (c) 2001-2007 Simon Wilkinson. All rights reserved.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-@@ -120,6 +120,7 @@
-       OM_uint32 maj_status, min_status;
-       int len;
-       const char *errmsg;
-+      const char *new_ccname;
- 
-       if (client->creds == NULL) {
-               debug("No credentials stored");
-@@ -168,11 +169,16 @@
-               return;
-       }
- 
--      client->store.filename = xstrdup(krb5_cc_get_name(krb_context, ccache));
-+      new_ccname = krb5_cc_get_name(krb_context, ccache);
-+
-       client->store.envvar = "KRB5CCNAME";
--      len = strlen(client->store.filename) + 6;
--      client->store.envval = xmalloc(len);
--      snprintf(client->store.envval, len, "FILE:%s", client->store.filename);
-+#ifdef USE_CCAPI
-+      xasprintf(&client->store.envval, "API:%s", new_ccname);
-+      client->store.filename = NULL;
-+#else
-+      xasprintf(&client->store.envval, "FILE:%s", new_ccname);
-+      client->store.filename = xstrdup(new_ccname);
-+#endif
- 
- #ifdef USE_PAM
-       if (options.use_pam)
-@@ -184,6 +190,71 @@
-       return;
- }
- 
-+int
-+ssh_gssapi_krb5_updatecreds(ssh_gssapi_ccache *store, 
-+    ssh_gssapi_client *client)
-+{
-+      krb5_ccache ccache = NULL;
-+      krb5_principal principal = NULL;
-+      char *name = NULL;
-+      krb5_error_code problem;
-+      OM_uint32 maj_status, min_status;
-+
-+      if ((problem = krb5_cc_resolve(krb_context, store->envval, &ccache))) {
-+                logit("krb5_cc_resolve(): %.100s",
-+                    krb5_get_err_text(krb_context, problem));
-+                return 0;
-+              }
-+      
-+      /* Find out who the principal in this cache is */
-+      if ((problem = krb5_cc_get_principal(krb_context, ccache, 
-+          &principal))) {
-+              logit("krb5_cc_get_principal(): %.100s",
-+                  krb5_get_err_text(krb_context, problem));
-+              krb5_cc_close(krb_context, ccache);
-+              return 0;
-+      }
-+
-+      if ((problem = krb5_unparse_name(krb_context, principal, &name))) {
-+              logit("krb5_unparse_name(): %.100s",
-+                  krb5_get_err_text(krb_context, problem));
-+              krb5_free_principal(krb_context, principal);
-+              krb5_cc_close(krb_context, ccache);
-+              return 0;
-+      }
-+
-+
-+      if (strcmp(name,client->exportedname.value)!=0) {
-+              debug("Name in local credentials cache differs. Not storing");
-+              krb5_free_principal(krb_context, principal);
-+              krb5_cc_close(krb_context, ccache);
-+              krb5_free_unparsed_name(krb_context, name);
-+              return 0;
-+      }
-+      krb5_free_unparsed_name(krb_context, name);
-+
-+      /* Name matches, so lets get on with it! */
-+
-+      if ((problem = krb5_cc_initialize(krb_context, ccache, principal))) {
-+              logit("krb5_cc_initialize(): %.100s",
-+                  krb5_get_err_text(krb_context, problem));
-+              krb5_free_principal(krb_context, principal);
-+              krb5_cc_close(krb_context, ccache);
-+              return 0;
-+      }
-+
-+      krb5_free_principal(krb_context, principal);
-+
-+      if ((maj_status = gss_krb5_copy_ccache(&min_status, client->creds,
-+          ccache))) {
-+              logit("gss_krb5_copy_ccache() failed. Sorry!");
-+              krb5_cc_close(krb_context, ccache);
-+              return 0;
-+      }
-+
-+      return 1;
-+}
-+
- ssh_gssapi_mech gssapi_kerberos_mech = {
-       "toWM5Slw5Ew8Mqkay+al2g==",
-       "Kerberos",
-@@ -191,7 +262,8 @@
-       NULL,
-       &ssh_gssapi_krb5_userok,
-       NULL,
--      &ssh_gssapi_krb5_storecreds
-+      &ssh_gssapi_krb5_storecreds,
-+      &ssh_gssapi_krb5_updatecreds
- };
- 
- #endif /* KRB5 */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/gss-serv.c 
openssh-5.8p1.new/gss-serv.c
---- openssh-5.8p1/gss-serv.c   2008-05-19 07:05:07.000000000 +0200
-+++ openssh-5.8p1.new/gss-serv.c       2011-02-12 18:07:11.135178913 +0100
-@@ -1,7 +1,7 @@
- /* $OpenBSD: gss-serv.c,v 1.22 2008/05/08 12:02:23 djm Exp $ */
- 
- /*
-- * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
-+ * Copyright (c) 2001-2009 Simon Wilkinson. All rights reserved.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-@@ -45,15 +45,20 @@
- #include "channels.h"
- #include "session.h"
- #include "misc.h"
-+#include "servconf.h"
-+#include "uidswap.h"
- 
- #include "ssh-gss.h"
-+#include "monitor_wrap.h"
-+
-+extern ServerOptions options;
- 
- static ssh_gssapi_client gssapi_client =
-     { GSS_C_EMPTY_BUFFER, GSS_C_EMPTY_BUFFER,
--    GSS_C_NO_CREDENTIAL, NULL, {NULL, NULL, NULL, NULL}};
-+    GSS_C_NO_CREDENTIAL, GSS_C_NO_NAME,  NULL, {NULL, NULL, NULL, NULL}, 0, 
0};
- 
- ssh_gssapi_mech gssapi_null_mech =
--    { NULL, NULL, {0, NULL}, NULL, NULL, NULL, NULL};
-+    { NULL, NULL, {0, NULL}, NULL, NULL, NULL, NULL, NULL};
- 
- #ifdef KRB5
- extern ssh_gssapi_mech gssapi_kerberos_mech;
-@@ -81,25 +86,32 @@
-       char lname[MAXHOSTNAMELEN];
-       gss_OID_set oidset;
- 
--      gss_create_empty_oid_set(&status, &oidset);
--      gss_add_oid_set_member(&status, ctx->oid, &oidset);
-+      if (options.gss_strict_acceptor) {
-+              gss_create_empty_oid_set(&status, &oidset);
-+              gss_add_oid_set_member(&status, ctx->oid, &oidset);
- 
--      if (gethostname(lname, MAXHOSTNAMELEN)) {
--              gss_release_oid_set(&status, &oidset);
--              return (-1);
--      }
-+              if (gethostname(lname, MAXHOSTNAMELEN)) {
-+                      gss_release_oid_set(&status, &oidset);
-+                      return (-1);
-+              }
-+
-+              if (GSS_ERROR(ssh_gssapi_import_name(ctx, lname))) {
-+                      gss_release_oid_set(&status, &oidset);
-+                      return (ctx->major);
-+              }
-+
-+              if ((ctx->major = gss_acquire_cred(&ctx->minor,
-+                  ctx->name, 0, oidset, GSS_C_ACCEPT, &ctx->creds, 
-+                  NULL, NULL)))
-+                      ssh_gssapi_error(ctx);
- 
--      if (GSS_ERROR(ssh_gssapi_import_name(ctx, lname))) {
-               gss_release_oid_set(&status, &oidset);
-               return (ctx->major);
-+      } else {
-+              ctx->name = GSS_C_NO_NAME;
-+              ctx->creds = GSS_C_NO_CREDENTIAL;
-       }
--
--      if ((ctx->major = gss_acquire_cred(&ctx->minor,
--          ctx->name, 0, oidset, GSS_C_ACCEPT, &ctx->creds, NULL, NULL)))
--              ssh_gssapi_error(ctx);
--
--      gss_release_oid_set(&status, &oidset);
--      return (ctx->major);
-+      return GSS_S_COMPLETE;
- }
- 
- /* Privileged */
-@@ -114,6 +126,29 @@
- }
- 
- /* Unprivileged */
-+char *
-+ssh_gssapi_server_mechanisms() {
-+      gss_OID_set     supported;
-+
-+      ssh_gssapi_supported_oids(&supported);
-+      return (ssh_gssapi_kex_mechs(supported, &ssh_gssapi_server_check_mech,
-+          NULL, NULL));
-+}
-+
-+/* Unprivileged */
-+int
-+ssh_gssapi_server_check_mech(Gssctxt **dum, gss_OID oid, const char *data,
-+    const char *dummy) {
-+      Gssctxt *ctx = NULL;
-+      int res;
-+ 
-+      res = !GSS_ERROR(PRIVSEP(ssh_gssapi_server_ctx(&ctx, oid)));
-+      ssh_gssapi_delete_ctx(&ctx);
-+
-+      return (res);
-+}
-+
-+/* Unprivileged */
- void
- ssh_gssapi_supported_oids(gss_OID_set *oidset)
- {
-@@ -123,7 +158,9 @@
-       gss_OID_set supported;
- 
-       gss_create_empty_oid_set(&min_status, oidset);
--      gss_indicate_mechs(&min_status, &supported);
-+
-+      if (GSS_ERROR(gss_indicate_mechs(&min_status, &supported)))
-+              return;
- 
-       while (supported_mechs[i]->name != NULL) {
-               if (GSS_ERROR(gss_test_oid_set_member(&min_status,
-@@ -247,8 +284,48 @@
- ssh_gssapi_getclient(Gssctxt *ctx, ssh_gssapi_client *client)
- {
-       int i = 0;
-+      int equal = 0;
-+      gss_name_t new_name = GSS_C_NO_NAME;
-+      gss_buffer_desc ename = GSS_C_EMPTY_BUFFER;
- 
--      gss_buffer_desc ename;
-+      if (options.gss_store_rekey && client->used && ctx->client_creds) {
-+              if (client->mech->oid.length != ctx->oid->length ||
-+                  (memcmp(client->mech->oid.elements,
-+                   ctx->oid->elements, ctx->oid->length) !=0)) {
-+                      debug("Rekeyed credentials have different mechanism");
-+                      return GSS_S_COMPLETE;
-+              }
-+
-+              if ((ctx->major = gss_inquire_cred_by_mech(&ctx->minor, 
-+                  ctx->client_creds, ctx->oid, &new_name, 
-+                  NULL, NULL, NULL))) {
-+                      ssh_gssapi_error(ctx);
-+                      return (ctx->major);
-+              }
-+
-+              ctx->major = gss_compare_name(&ctx->minor, client->name, 
-+                  new_name, &equal);
-+
-+              if (GSS_ERROR(ctx->major)) {
-+                      ssh_gssapi_error(ctx);
-+                      return (ctx->major);
-+              }
-+ 
-+              if (!equal) {
-+                      debug("Rekeyed credentials have different name");
-+                      return GSS_S_COMPLETE;
-+              }
-+
-+              debug("Marking rekeyed credentials for export");
-+
-+              gss_release_name(&ctx->minor, &client->name);
-+              gss_release_cred(&ctx->minor, &client->creds);
-+              client->name = new_name;
-+              client->creds = ctx->client_creds;
-+              ctx->client_creds = GSS_C_NO_CREDENTIAL;
-+              client->updated = 1;
-+              return GSS_S_COMPLETE;
-+      }
- 
-       client->mech = NULL;
- 
-@@ -263,6 +340,13 @@
-       if (client->mech == NULL)
-               return GSS_S_FAILURE;
- 
-+      if (ctx->client_creds &&
-+          (ctx->major = gss_inquire_cred_by_mech(&ctx->minor,
-+           ctx->client_creds, ctx->oid, &client->name, NULL, NULL, NULL))) {
-+              ssh_gssapi_error(ctx);
-+              return (ctx->major);
-+      }
-+
-       if ((ctx->major = gss_display_name(&ctx->minor, ctx->client,
-           &client->displayname, NULL))) {
-               ssh_gssapi_error(ctx);
-@@ -280,6 +364,8 @@
-               return (ctx->major);
-       }
- 
-+      gss_release_buffer(&ctx->minor, &ename);
-+
-       /* We can't copy this structure, so we just move the pointer to it */
-       client->creds = ctx->client_creds;
-       ctx->client_creds = GSS_C_NO_CREDENTIAL;
-@@ -327,7 +413,7 @@
- 
- /* Privileged */
- int
--ssh_gssapi_userok(char *user)
-+ssh_gssapi_userok(char *user, struct passwd *pw)
- {
-       OM_uint32 lmin;
- 
-@@ -337,9 +423,11 @@
-               return 0;
-       }
-       if (gssapi_client.mech && gssapi_client.mech->userok)
--              if ((*gssapi_client.mech->userok)(&gssapi_client, user))
-+              if ((*gssapi_client.mech->userok)(&gssapi_client, user)) {
-+                      gssapi_client.used = 1;
-+                      gssapi_client.store.owner = pw;
-                       return 1;
--              else {
-+              } else {
-                       /* Destroy delegated credentials if userok fails */
-                       gss_release_buffer(&lmin, &gssapi_client.displayname);
-                       gss_release_buffer(&lmin, &gssapi_client.exportedname);
-@@ -352,14 +440,90 @@
-       return (0);
- }
- 
--/* Privileged */
--OM_uint32
--ssh_gssapi_checkmic(Gssctxt *ctx, gss_buffer_t gssbuf, gss_buffer_t gssmic)
-+/* These bits are only used for rekeying. The unpriviledged child is running 
-+ * as the user, the monitor is root.
-+ *
-+ * In the child, we want to :
-+ *    *) Ask the monitor to store our credentials into the store we specify
-+ *    *) If it succeeds, maybe do a PAM update
-+ */
-+
-+/* Stuff for PAM */
-+
-+#ifdef USE_PAM
-+static int ssh_gssapi_simple_conv(int n, const struct pam_message **msg, 
-+    struct pam_response **resp, void *data)
- {
--      ctx->major = gss_verify_mic(&ctx->minor, ctx->context,
--          gssbuf, gssmic, NULL);
-+      return (PAM_CONV_ERR);
-+}
-+#endif
- 
--      return (ctx->major);
-+void
-+ssh_gssapi_rekey_creds() {
-+      int ok;
-+      int ret;
-+#ifdef USE_PAM
-+      pam_handle_t *pamh = NULL;
-+      struct pam_conv pamconv = {ssh_gssapi_simple_conv, NULL};
-+      char *envstr;
-+#endif
-+
-+      if (gssapi_client.store.filename == NULL && 
-+          gssapi_client.store.envval == NULL &&
-+          gssapi_client.store.envvar == NULL)
-+              return;
-+ 
-+      ok = PRIVSEP(ssh_gssapi_update_creds(&gssapi_client.store));
-+
-+      if (!ok)
-+              return;
-+
-+      debug("Rekeyed credentials stored successfully");
-+
-+      /* Actually managing to play with the ssh pam stack from here will
-+       * be next to impossible. In any case, we may want different options
-+       * for rekeying. So, use our own :)
-+       */
-+#ifdef USE_PAM        
-+      if (!use_privsep) {
-+              debug("Not even going to try and do PAM with privsep disabled");
-+              return;
-+      }
-+
-+      ret = pam_start("sshd-rekey", gssapi_client.store.owner->pw_name,
-+          &pamconv, &pamh);
-+      if (ret)
-+              return;
-+
-+      xasprintf(&envstr, "%s=%s", gssapi_client.store.envvar, 
-+          gssapi_client.store.envval);
-+
-+      ret = pam_putenv(pamh, envstr);
-+      if (!ret)
-+              pam_setcred(pamh, PAM_REINITIALIZE_CRED);
-+      pam_end(pamh, PAM_SUCCESS);
-+#endif
-+}
-+
-+int 
-+ssh_gssapi_update_creds(ssh_gssapi_ccache *store) {
-+      int ok = 0;
-+
-+      /* Check we've got credentials to store */
-+      if (!gssapi_client.updated)
-+              return 0;
-+
-+      gssapi_client.updated = 0;
-+
-+      temporarily_use_uid(gssapi_client.store.owner);
-+      if (gssapi_client.mech && gssapi_client.mech->updatecreds)
-+              ok = (*gssapi_client.mech->updatecreds)(store, &gssapi_client);
-+      else
-+              debug("No update function for this mechanism");
-+
-+      restore_uid();
-+
-+      return ok;
- }
- 
- #endif
-diff --speed-large-files --minimal -Nru openssh-5.8p1/kex.c 
openssh-5.8p1.new/kex.c
---- openssh-5.8p1/kex.c        2010-09-24 14:11:14.000000000 +0200
-+++ openssh-5.8p1.new/kex.c    2011-02-12 18:07:11.149564726 +0100
-@@ -50,6 +50,10 @@
- #include "monitor.h"
- #include "roaming.h"
- 
-+#ifdef GSSAPI
-+#include "ssh-gss.h"
-+#endif
-+
- #if OPENSSL_VERSION_NUMBER >= 0x00907000L
- # if defined(HAVE_EVP_SHA256)
- # define evp_ssh_sha256 EVP_sha256
-@@ -94,6 +98,11 @@
- #ifdef HAVE_EVP_SHA256
-       { KEX_CURVE25519_SHA256, KEX_C25519_SHA256, 0, SSH_DIGEST_SHA256 },
- #endif
-+#ifdef GSSAPI
-+      { KEX_GSS_GEX_SHA1_ID, KEX_GSS_GEX_SHA1, 0, EVP_sha1 },
-+      { KEX_GSS_GRP1_SHA1_ID, KEX_GSS_GRP1_SHA1, 0, EVP_sha1 },
-+      { KEX_GSS_GRP14_SHA1_ID, KEX_GSS_GRP14_SHA1, 0, EVP_sha1 },
-+#endif
-       { NULL, -1, -1, -1},
- };
- 
-diff --speed-large-files --minimal -Nru openssh-5.8p1/kex.h 
openssh-5.8p1.new/kex.h
---- openssh-5.8p1/kex.h        2010-09-24 14:11:14.000000000 +0200
-+++ openssh-5.8p1.new/kex.h    2011-02-12 18:07:11.161650596 +0100
-@@ -73,7 +73,10 @@
-       KEX_DH_GEX_SHA1,
-       KEX_DH_GEX_SHA256,
-       KEX_ECDH_SHA2,
-       KEX_C25519_SHA256,
-+      KEX_GSS_GRP1_SHA1,
-+      KEX_GSS_GRP14_SHA1,
-+      KEX_GSS_GEX_SHA1,
-       KEX_MAX
- };
- 
-@@ -129,6 +132,12 @@
-       int     flags;
-       const EVP_MD *evp_md;
-       int     ec_nid;
-+#ifdef GSSAPI
-+      int     gss_deleg_creds;
-+      int     gss_trust_dns;
-+      char    *gss_host;
-+      char    *gss_client;
-+#endif
-       char    *client_version_string;
-       char    *server_version_string;
-       int     (*verify_host_key)(Key *);
-@@ -156,6 +165,11 @@
- void   kexecdh_client(Kex *);
- void   kexecdh_server(Kex *);
- 
-+#ifdef GSSAPI
-+void  kexgss_client(Kex *);
-+void  kexgss_server(Kex *);
-+#endif
-+
- void
- kex_dh_hash(char *, char *, char *, int, char *, int, u_char *, int,
-     BIGNUM *, BIGNUM *, BIGNUM *, u_char **, u_int *);
-diff --speed-large-files --minimal -Nru openssh-5.8p1/kexgssc.c 
openssh-5.8p1.new/kexgssc.c
---- openssh-5.8p1/kexgssc.c    1970-01-01 01:00:00.000000000 +0100
-+++ openssh-5.8p1.new/kexgssc.c        2011-02-12 18:07:11.176741991 +0100
-@@ -0,0 +1,334 @@
-+/*
-+ * Copyright (c) 2001-2009 Simon Wilkinson. 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 GSSAPI
-+
-+#include "includes.h"
-+
-+#include <openssl/crypto.h>
-+#include <openssl/bn.h>
-+
-+#include <string.h>
-+
-+#include "xmalloc.h"
-+#include "buffer.h"
-+#include "ssh2.h"
-+#include "key.h"
-+#include "cipher.h"
-+#include "kex.h"
-+#include "log.h"
-+#include "packet.h"
-+#include "dh.h"
-+
-+#include "ssh-gss.h"
-+
-+void
-+kexgss_client(Kex *kex) {
-+      gss_buffer_desc send_tok = GSS_C_EMPTY_BUFFER;
-+      gss_buffer_desc recv_tok, gssbuf, msg_tok, *token_ptr;
-+      Gssctxt *ctxt;
-+      OM_uint32 maj_status, min_status, ret_flags;
-+      u_int klen, kout, slen = 0, hashlen, strlen;
-+      DH *dh; 
-+      BIGNUM *dh_server_pub = NULL;
-+      BIGNUM *shared_secret = NULL;
-+      BIGNUM *p = NULL;
-+      BIGNUM *g = NULL;       
-+      u_char *kbuf, *hash;
-+      u_char *serverhostkey = NULL;
-+      u_char *empty = "";
-+      char *msg;
-+      char *lang;
-+      int type = 0;
-+      int first = 1;
-+      int nbits = 0, min = DH_GRP_MIN, max = DH_GRP_MAX;
-+
-+      /* Initialise our GSSAPI world */       
-+      ssh_gssapi_build_ctx(&ctxt);
-+      if (ssh_gssapi_id_kex(ctxt, kex->name, kex->kex_type) 
-+          == GSS_C_NO_OID)
-+              fatal("Couldn't identify host exchange");
-+
-+      if (ssh_gssapi_import_name(ctxt, kex->gss_host))
-+              fatal("Couldn't import hostname");
-+
-+      if (kex->gss_client && 
-+          ssh_gssapi_client_identity(ctxt, kex->gss_client))
-+              fatal("Couldn't acquire client credentials");
-+
-+      switch (kex->kex_type) {
-+      case KEX_GSS_GRP1_SHA1:
-+              dh = dh_new_group1();
-+              break;
-+      case KEX_GSS_GRP14_SHA1:
-+              dh = dh_new_group14();
-+              break;
-+      case KEX_GSS_GEX_SHA1:
-+              debug("Doing group exchange\n");
-+              nbits = dh_estimate(kex->we_need * 8);
-+              packet_start(SSH2_MSG_KEXGSS_GROUPREQ);
-+              packet_put_int(min);
-+              packet_put_int(nbits);
-+              packet_put_int(max);
-+
-+              packet_send();
-+
-+              packet_read_expect(SSH2_MSG_KEXGSS_GROUP);
-+
-+              if ((p = BN_new()) == NULL)
-+                      fatal("BN_new() failed");
-+              packet_get_bignum2(p);
-+              if ((g = BN_new()) == NULL)
-+                      fatal("BN_new() failed");
-+              packet_get_bignum2(g);
-+              packet_check_eom();
-+
-+              if (BN_num_bits(p) < min || BN_num_bits(p) > max)
-+                      fatal("GSSGRP_GEX group out of range: %d !< %d !< %d",
-+                          min, BN_num_bits(p), max);
-+
-+              dh = dh_new_group(g, p);
-+              break;
-+      default:
-+              fatal("%s: Unexpected KEX type %d", __func__, kex->kex_type);
-+      }
-+      
-+      /* Step 1 - e is dh->pub_key */
-+      dh_gen_key(dh, kex->we_need * 8);
-+
-+      /* This is f, we initialise it now to make life easier */
-+      dh_server_pub = BN_new();
-+      if (dh_server_pub == NULL)
-+              fatal("dh_server_pub == NULL");
-+
-+      token_ptr = GSS_C_NO_BUFFER;
-+                       
-+      do {
-+              debug("Calling gss_init_sec_context");
-+              
-+              maj_status = ssh_gssapi_init_ctx(ctxt,
-+                  kex->gss_deleg_creds, token_ptr, &send_tok,
-+                  &ret_flags);
-+
-+              if (GSS_ERROR(maj_status)) {
-+                      if (send_tok.length != 0) {
-+                              packet_start(SSH2_MSG_KEXGSS_CONTINUE);
-+                              packet_put_string(send_tok.value,
-+                                  send_tok.length);
-+                      }
-+                      fatal("gss_init_context failed");
-+              }
-+
-+              /* If we've got an old receive buffer get rid of it */
-+              if (token_ptr != GSS_C_NO_BUFFER)
-+                      free(recv_tok.value);
-+
-+              if (maj_status == GSS_S_COMPLETE) {
-+                      /* If mutual state flag is not true, kex fails */
-+                      if (!(ret_flags & GSS_C_MUTUAL_FLAG))
-+                              fatal("Mutual authentication failed");
-+
-+                      /* If integ avail flag is not true kex fails */
-+                      if (!(ret_flags & GSS_C_INTEG_FLAG))
-+                              fatal("Integrity check failed");
-+              }
-+
-+              /* 
-+               * If we have data to send, then the last message that we
-+               * received cannot have been a 'complete'. 
-+               */
-+              if (send_tok.length != 0) {
-+                      if (first) {
-+                              packet_start(SSH2_MSG_KEXGSS_INIT);
-+                              packet_put_string(send_tok.value,
-+                                  send_tok.length);
-+                              packet_put_bignum2(dh->pub_key);
-+                              first = 0;
-+                      } else {
-+                              packet_start(SSH2_MSG_KEXGSS_CONTINUE);
-+                              packet_put_string(send_tok.value,
-+                                  send_tok.length);
-+                      }
-+                      packet_send();
-+                      gss_release_buffer(&min_status, &send_tok);
-+
-+                      /* If we've sent them data, they should reply */
-+                      do {    
-+                              type = packet_read();
-+                              if (type == SSH2_MSG_KEXGSS_HOSTKEY) {
-+                                      debug("Received KEXGSS_HOSTKEY");
-+                                      if (serverhostkey)
-+                                              fatal("Server host key received 
more than once");
-+                                      serverhostkey = 
-+                                          packet_get_string(&slen);
-+                              }
-+                      } while (type == SSH2_MSG_KEXGSS_HOSTKEY);
-+
-+                      switch (type) {
-+                      case SSH2_MSG_KEXGSS_CONTINUE:
-+                              debug("Received GSSAPI_CONTINUE");
-+                              if (maj_status == GSS_S_COMPLETE) 
-+                                      fatal("GSSAPI Continue received from 
server when complete");
-+                              recv_tok.value = packet_get_string(&strlen);
-+                              recv_tok.length = strlen; 
-+                              break;
-+                      case SSH2_MSG_KEXGSS_COMPLETE:
-+                              debug("Received GSSAPI_COMPLETE");
-+                              packet_get_bignum2(dh_server_pub);
-+                              msg_tok.value =  packet_get_string(&strlen);
-+                              msg_tok.length = strlen; 
-+
-+                              /* Is there a token included? */
-+                              if (packet_get_char()) {
-+                                      recv_tok.value=
-+                                          packet_get_string(&strlen);
-+                                      recv_tok.length = strlen;
-+                                      /* If we're already complete - protocol 
error */
-+                                      if (maj_status == GSS_S_COMPLETE)
-+                                              packet_disconnect("Protocol 
error: received token when complete");
-+                                      } else {
-+                                              /* No token included */
-+                                              if (maj_status != 
GSS_S_COMPLETE)
-+                                                      
packet_disconnect("Protocol error: did not receive final token");
-+                              }
-+                              break;
-+                      case SSH2_MSG_KEXGSS_ERROR:
-+                              debug("Received Error");
-+                              maj_status = packet_get_int();
-+                              min_status = packet_get_int();
-+                              msg = packet_get_string(NULL);
-+                              lang = packet_get_string(NULL);
-+                              fatal("GSSAPI Error: \n%.400s",msg);
-+                      default:
-+                              packet_disconnect("Protocol error: didn't 
expect packet type %d",
-+                              type);
-+                      }
-+                      token_ptr = &recv_tok;
-+              } else {
-+                      /* No data, and not complete */
-+                      if (maj_status != GSS_S_COMPLETE)
-+                              fatal("Not complete, and no token output");
-+              }
-+      } while (maj_status & GSS_S_CONTINUE_NEEDED);
-+
-+      /* 
-+       * We _must_ have received a COMPLETE message in reply from the 
-+       * server, which will have set dh_server_pub and msg_tok 
-+       */
-+
-+      if (type != SSH2_MSG_KEXGSS_COMPLETE)
-+              fatal("Didn't receive a SSH2_MSG_KEXGSS_COMPLETE when I 
expected it");
-+
-+      /* Check f in range [1, p-1] */
-+      if (!dh_pub_is_valid(dh, dh_server_pub))
-+              packet_disconnect("bad server public DH value");
-+
-+      /* compute K=f^x mod p */
-+      klen = DH_size(dh);
-+      kbuf = xmalloc(klen);
-+      kout = DH_compute_key(kbuf, dh_server_pub, dh);
-+      if (kout < 0)
-+              fatal("DH_compute_key: failed");
-+
-+      shared_secret = BN_new();
-+      if (shared_secret == NULL)
-+              fatal("kexgss_client: BN_new failed");
-+
-+      if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)
-+              fatal("kexdh_client: BN_bin2bn failed");
-+
-+      memset(kbuf, 0, klen);
-+      free(kbuf);
-+
-+      switch (kex->kex_type) {
-+      case KEX_GSS_GRP1_SHA1:
-+      case KEX_GSS_GRP14_SHA1:
-+              kex_dh_hash( kex->client_version_string, 
-+                  kex->server_version_string,
-+                  buffer_ptr(&kex->my), buffer_len(&kex->my),
-+                  buffer_ptr(&kex->peer), buffer_len(&kex->peer),
-+                  (serverhostkey ? serverhostkey : empty), slen,
-+                  dh->pub_key,        /* e */
-+                  dh_server_pub,      /* f */
-+                  shared_secret,      /* K */
-+                  &hash, &hashlen
-+              );
-+              break;
-+      case KEX_GSS_GEX_SHA1:
-+              kexgex_hash(
-+                  kex->hash_alg,
-+                  kex->client_version_string,
-+                  kex->server_version_string,
-+                  buffer_ptr(&kex->my), buffer_len(&kex->my),
-+                  buffer_ptr(&kex->peer), buffer_len(&kex->peer),
-+                  (serverhostkey ? serverhostkey : empty), slen,
-+                  min, nbits, max,
-+                  dh->p, dh->g,
-+                  dh->pub_key,
-+                  dh_server_pub,
-+                  shared_secret,
-+                  &hash, &hashlen
-+              );
-+              break;
-+      default:
-+              fatal("%s: Unexpected KEX type %d", __func__, kex->kex_type);
-+      }
-+
-+      gssbuf.value = hash;
-+      gssbuf.length = hashlen;
-+
-+      /* Verify that the hash matches the MIC we just got. */
-+      if (GSS_ERROR(ssh_gssapi_checkmic(ctxt, &gssbuf, &msg_tok)))
-+              packet_disconnect("Hash's MIC didn't verify");
-+
-+      free(msg_tok.value);
-+
-+      DH_free(dh);
-+      if (serverhostkey)
-+              free(serverhostkey);
-+      BN_clear_free(dh_server_pub);
-+
-+      /* save session id */
-+      if (kex->session_id == NULL) {
-+              kex->session_id_len = hashlen;
-+              kex->session_id = xmalloc(kex->session_id_len);
-+              memcpy(kex->session_id, hash, kex->session_id_len);
-+      }
-+
-+      if (kex->gss_deleg_creds)
-+              ssh_gssapi_credentials_updated(ctxt);
-+
-+      if (gss_kex_context == NULL)
-+              gss_kex_context = ctxt;
-+      else
-+              ssh_gssapi_delete_ctx(&ctxt);
-+
-+      kex_derive_keys_bn(kex, hash, hashlen, shared_secret);
-+      BN_clear_free(shared_secret);
-+      kex_finish(kex);
-+}
-+
-+#endif /* GSSAPI */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/kexgsss.c 
openssh-5.8p1.new/kexgsss.c
---- openssh-5.8p1/kexgsss.c    1970-01-01 01:00:00.000000000 +0100
-+++ openssh-5.8p1.new/kexgsss.c        2011-02-12 18:07:11.186584789 +0100
-@@ -0,0 +1,288 @@
-+/*
-+ * Copyright (c) 2001-2009 Simon Wilkinson. 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 GSSAPI
-+
-+#include <string.h>
-+
-+#include <openssl/crypto.h>
-+#include <openssl/bn.h>
-+
-+#include "xmalloc.h"
-+#include "buffer.h"
-+#include "ssh2.h"
-+#include "key.h"
-+#include "cipher.h"
-+#include "kex.h"
-+#include "log.h"
-+#include "packet.h"
-+#include "dh.h"
-+#include "ssh-gss.h"
-+#include "monitor_wrap.h"
-+#include "servconf.h"
-+
-+extern ServerOptions options;
-+
-+void
-+kexgss_server(Kex *kex)
-+{
-+      OM_uint32 maj_status, min_status;
-+      
-+      /* 
-+       * Some GSSAPI implementations use the input value of ret_flags (an
-+       * output variable) as a means of triggering mechanism specific 
-+       * features. Initializing it to zero avoids inadvertently 
-+       * activating this non-standard behaviour.
-+       */
-+
-+      OM_uint32 ret_flags = 0;
-+      gss_buffer_desc gssbuf, recv_tok, msg_tok;
-+      gss_buffer_desc send_tok = GSS_C_EMPTY_BUFFER;
-+      Gssctxt *ctxt = NULL;
-+      u_int slen, klen, kout, hashlen;
-+      u_char *kbuf, *hash;
-+      DH *dh;
-+      int min = -1, max = -1, nbits = -1;
-+      BIGNUM *shared_secret = NULL;
-+      BIGNUM *dh_client_pub = NULL;
-+      int type = 0;
-+      gss_OID oid;
-+      char *mechs;
-+
-+      /* Initialise GSSAPI */
-+
-+      /* If we're rekeying, privsep means that some of the private structures
-+       * in the GSSAPI code are no longer available. This kludges them back
-+       * into life
-+       */
-+      if (!ssh_gssapi_oid_table_ok()) 
-+              if ((mechs = ssh_gssapi_server_mechanisms()))
-+                      free(mechs);
-+
-+      debug2("%s: Identifying %s", __func__, kex->name);
-+      oid = ssh_gssapi_id_kex(NULL, kex->name, kex->kex_type);
-+      if (oid == GSS_C_NO_OID)
-+         fatal("Unknown gssapi mechanism");
-+
-+      debug2("%s: Acquiring credentials", __func__);
-+
-+      if (GSS_ERROR(PRIVSEP(ssh_gssapi_server_ctx(&ctxt, oid))))
-+              fatal("Unable to acquire credentials for the server");
-+
-+      switch (kex->kex_type) {
-+      case KEX_GSS_GRP1_SHA1:
-+              dh = dh_new_group1();
-+              break;
-+      case KEX_GSS_GRP14_SHA1:
-+              dh = dh_new_group14();
-+              break;
-+      case KEX_GSS_GEX_SHA1:
-+              debug("Doing group exchange");
-+              packet_read_expect(SSH2_MSG_KEXGSS_GROUPREQ);
-+              min = packet_get_int();
-+              nbits = packet_get_int();
-+              max = packet_get_int();
-+              min = MAX(DH_GRP_MIN, min);
-+              max = MIN(DH_GRP_MAX, max);
-+              packet_check_eom();
-+              if (max < min || nbits < min || max < nbits)
-+                      fatal("GSS_GEX, bad parameters: %d !< %d !< %d",
-+                          min, nbits, max);
-+              dh = PRIVSEP(choose_dh(min, nbits, max));
-+              if (dh == NULL)
-+                      packet_disconnect("Protocol error: no matching group 
found");
-+
-+              packet_start(SSH2_MSG_KEXGSS_GROUP);
-+              packet_put_bignum2(dh->p);
-+              packet_put_bignum2(dh->g);
-+              packet_send();
-+
-+              packet_write_wait();
-+              break;
-+      default:
-+              fatal("%s: Unexpected KEX type %d", __func__, kex->kex_type);
-+      }
-+
-+      dh_gen_key(dh, kex->we_need * 8);
-+
-+      do {
-+              debug("Wait SSH2_MSG_GSSAPI_INIT");
-+              type = packet_read();
-+              switch(type) {
-+              case SSH2_MSG_KEXGSS_INIT:
-+                      if (dh_client_pub != NULL) 
-+                              fatal("Received KEXGSS_INIT after 
initialising");
-+                      recv_tok.value = packet_get_string(&slen);
-+                      recv_tok.length = slen; 
-+
-+                      if ((dh_client_pub = BN_new()) == NULL)
-+                              fatal("dh_client_pub == NULL");
-+
-+                      packet_get_bignum2(dh_client_pub);
-+
-+                      /* Send SSH_MSG_KEXGSS_HOSTKEY here, if we want */
-+                      break;
-+              case SSH2_MSG_KEXGSS_CONTINUE:
-+                      recv_tok.value = packet_get_string(&slen);
-+                      recv_tok.length = slen; 
-+                      break;
-+              default:
-+                      packet_disconnect(
-+                          "Protocol error: didn't expect packet type %d",
-+                          type);
-+              }
-+
-+              maj_status = PRIVSEP(ssh_gssapi_accept_ctx(ctxt, &recv_tok, 
-+                  &send_tok, &ret_flags));
-+
-+              free(recv_tok.value);
-+
-+              if (maj_status != GSS_S_COMPLETE && send_tok.length == 0)
-+                      fatal("Zero length token output when incomplete");
-+
-+              if (dh_client_pub == NULL)
-+                      fatal("No client public key");
-+              
-+              if (maj_status & GSS_S_CONTINUE_NEEDED) {
-+                      debug("Sending GSSAPI_CONTINUE");
-+                      packet_start(SSH2_MSG_KEXGSS_CONTINUE);
-+                      packet_put_string(send_tok.value, send_tok.length);
-+                      packet_send();
-+                      gss_release_buffer(&min_status, &send_tok);
-+              }
-+      } while (maj_status & GSS_S_CONTINUE_NEEDED);
-+
-+      if (GSS_ERROR(maj_status)) {
-+              if (send_tok.length > 0) {
-+                      packet_start(SSH2_MSG_KEXGSS_CONTINUE);
-+                      packet_put_string(send_tok.value, send_tok.length);
-+                      packet_send();
-+              }
-+              fatal("accept_ctx died");
-+      }
-+
-+      if (!(ret_flags & GSS_C_MUTUAL_FLAG))
-+              fatal("Mutual Authentication flag wasn't set");
-+
-+      if (!(ret_flags & GSS_C_INTEG_FLAG))
-+              fatal("Integrity flag wasn't set");
-+      
-+      if (!dh_pub_is_valid(dh, dh_client_pub))
-+              packet_disconnect("bad client public DH value");
-+
-+      klen = DH_size(dh);
-+      kbuf = xmalloc(klen); 
-+      kout = DH_compute_key(kbuf, dh_client_pub, dh);
-+      if (kout < 0)
-+              fatal("DH_compute_key: failed");
-+
-+      shared_secret = BN_new();
-+      if (shared_secret == NULL)
-+              fatal("kexgss_server: BN_new failed");
-+
-+      if (BN_bin2bn(kbuf, kout, shared_secret) == NULL)
-+              fatal("kexgss_server: BN_bin2bn failed");
-+
-+      memset(kbuf, 0, klen);
-+      free(kbuf);
-+
-+      switch (kex->kex_type) {
-+      case KEX_GSS_GRP1_SHA1:
-+      case KEX_GSS_GRP14_SHA1:
-+              kex_dh_hash(
-+                  kex->client_version_string, kex->server_version_string,
-+                  buffer_ptr(&kex->peer), buffer_len(&kex->peer),
-+                  buffer_ptr(&kex->my), buffer_len(&kex->my),
-+                  NULL, 0, /* Change this if we start sending host keys */
-+                  dh_client_pub, dh->pub_key, shared_secret,
-+                  &hash, &hashlen
-+              );
-+              break;
-+      case KEX_GSS_GEX_SHA1:
-+              kexgex_hash(
-+                  kex->hash_alg,
-+                  kex->client_version_string, kex->server_version_string,
-+                  buffer_ptr(&kex->peer), buffer_len(&kex->peer),
-+                  buffer_ptr(&kex->my), buffer_len(&kex->my),
-+                  NULL, 0,
-+                  min, nbits, max,
-+                  dh->p, dh->g,
-+                  dh_client_pub,
-+                  dh->pub_key,
-+                  shared_secret,
-+                  &hash, &hashlen
-+              );
-+              break;
-+      default:
-+              fatal("%s: Unexpected KEX type %d", __func__, kex->kex_type);
-+      }
-+
-+      BN_clear_free(dh_client_pub);
-+
-+      if (kex->session_id == NULL) {
-+              kex->session_id_len = hashlen;
-+              kex->session_id = xmalloc(kex->session_id_len);
-+              memcpy(kex->session_id, hash, kex->session_id_len);
-+      }
-+
-+      gssbuf.value = hash;
-+      gssbuf.length = hashlen;
-+
-+      if (GSS_ERROR(PRIVSEP(ssh_gssapi_sign(ctxt,&gssbuf,&msg_tok))))
-+              fatal("Couldn't get MIC");
-+
-+      packet_start(SSH2_MSG_KEXGSS_COMPLETE);
-+      packet_put_bignum2(dh->pub_key);
-+      packet_put_string(msg_tok.value,msg_tok.length);
-+
-+      if (send_tok.length != 0) {
-+              packet_put_char(1); /* true */
-+              packet_put_string(send_tok.value, send_tok.length);
-+      } else {
-+              packet_put_char(0); /* false */
-+      }
-+      packet_send();
-+
-+      gss_release_buffer(&min_status, &send_tok);
-+      gss_release_buffer(&min_status, &msg_tok);
-+
-+      if (gss_kex_context == NULL)
-+              gss_kex_context = ctxt;
-+      else 
-+              ssh_gssapi_delete_ctx(&ctxt);
-+
-+      DH_free(dh);
-+
-+      kex_derive_keys_bn(kex, hash, hashlen, shared_secret);
-+      BN_clear_free(shared_secret);
-+      kex_finish(kex);
-+
-+      /* If this was a rekey, then save out any delegated credentials we
-+       * just exchanged.  */
-+      if (options.gss_store_rekey)
-+              ssh_gssapi_rekey_creds();
-+}
-+#endif /* GSSAPI */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/key.c 
openssh-5.8p1.new/key.c
---- openssh-5.8p1/key.c        2011-02-04 01:48:34.000000000 +0100
-+++ openssh-5.8p1.new/key.c    2011-02-12 18:07:11.202089386 +0100
-@@ -929,6 +929,7 @@
-       { "[email protected]", "ECDSA-CERT",
-           KEY_ECDSA_CERT, NID_secp521r1, 1 },
- #endif /* OPENSSL_HAS_ECC */
-+      { "null", "null", KEY_NULL, 0, 0 },
-       { "[email protected]", "RSA-CERT-V00",
-           KEY_RSA_CERT_V00, 0, 1 },
-       { "[email protected]", "DSA-CERT-V00",
-diff --speed-large-files --minimal -Nru openssh-5.8p1/key.h 
openssh-5.8p1.new/key.h
---- openssh-5.8p1/key.h        2010-11-05 00:19:49.000000000 +0100
-+++ openssh-5.8p1.new/key.h    2011-02-12 18:07:11.216270794 +0100
-@@ -44,6 +44,7 @@
-       KEY_ECDSA_CERT,
-       KEY_RSA_CERT_V00,
-       KEY_DSA_CERT_V00,
-+      KEY_NULL,
-       KEY_UNSPEC
- };
- enum fp_type {
-diff --speed-large-files --minimal -Nru openssh-5.8p1/monitor.c 
openssh-5.8p1.new/monitor.c
---- openssh-5.8p1/monitor.c    2010-09-10 03:23:34.000000000 +0200
-+++ openssh-5.8p1.new/monitor.c        2011-02-12 18:07:11.241713537 +0100
-@@ -172,6 +172,8 @@
- int mm_answer_gss_accept_ctx(int, Buffer *);
- int mm_answer_gss_userok(int, Buffer *);
- int mm_answer_gss_checkmic(int, Buffer *);
-+int mm_answer_gss_sign(int, Buffer *);
-+int mm_answer_gss_updatecreds(int, Buffer *);
- #endif
- 
- #ifdef SSH_AUDIT_EVENTS
-@@ -241,6 +243,7 @@
-     {MONITOR_REQ_GSSSTEP, MON_ISAUTH, mm_answer_gss_accept_ctx},
-     {MONITOR_REQ_GSSUSEROK, MON_AUTH, mm_answer_gss_userok},
-     {MONITOR_REQ_GSSCHECKMIC, MON_ISAUTH, mm_answer_gss_checkmic},
-+    {MONITOR_REQ_GSSSIGN, MON_ONCE, mm_answer_gss_sign},
- #endif
- #ifdef JPAKE
-     {MONITOR_REQ_JPAKE_GET_PWDATA, MON_ONCE, mm_answer_jpake_get_pwdata},
-@@ -253,6 +256,12 @@
- };
- 
- struct mon_table mon_dispatch_postauth20[] = {
-+#ifdef GSSAPI
-+    {MONITOR_REQ_GSSSETUP, 0, mm_answer_gss_setup_ctx},
-+    {MONITOR_REQ_GSSSTEP, 0, mm_answer_gss_accept_ctx},
-+    {MONITOR_REQ_GSSSIGN, 0, mm_answer_gss_sign},
-+    {MONITOR_REQ_GSSUPCREDS, 0, mm_answer_gss_updatecreds},
-+#endif
-     {MONITOR_REQ_MODULI, 0, mm_answer_moduli},
-     {MONITOR_REQ_SIGN, 0, mm_answer_sign},
-     {MONITOR_REQ_PTY, 0, mm_answer_pty},
-@@ -357,6 +366,10 @@
-               /* Permit requests for moduli and signatures */
-               monitor_permit(mon_dispatch, MONITOR_REQ_MODULI, 1);
-               monitor_permit(mon_dispatch, MONITOR_REQ_SIGN, 1);
-+#ifdef GSSAPI
-+              /* and for the GSSAPI key exchange */
-+              monitor_permit(mon_dispatch, MONITOR_REQ_GSSSETUP, 1);
-+#endif
-       } else {
-               mon_dispatch = mon_dispatch_proto15;
- 
-@@ -443,6 +456,10 @@
-               monitor_permit(mon_dispatch, MONITOR_REQ_MODULI, 1);
-               monitor_permit(mon_dispatch, MONITOR_REQ_SIGN, 1);
-               monitor_permit(mon_dispatch, MONITOR_REQ_TERM, 1);
-+#ifdef GSSAPI
-+              /* and for the GSSAPI key exchange */
-+              monitor_permit(mon_dispatch, MONITOR_REQ_GSSSETUP, 1);
-+#endif                
-       } else {
-               mon_dispatch = mon_dispatch_postauth15;
-               monitor_permit(mon_dispatch, MONITOR_REQ_TERM, 1);
-@@ -1692,7 +1709,14 @@
-       kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
-       kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
-       kex->kex[KEX_ECDH_SHA2] = kexecdh_server;
-       kex->kex[KEX_C25519_SHA256] = kexc25519_server;
-+#ifdef GSSAPI
-+      if (options.gss_keyex) {
-+              kex->kex[KEX_GSS_GRP1_SHA1] = kexgss_server;
-+              kex->kex[KEX_GSS_GRP14_SHA1] = kexgss_server;
-+              kex->kex[KEX_GSS_GEX_SHA1] = kexgss_server;
-+      }
-+#endif
-       kex->server = 1;
-       kex->hostkey_type = buffer_get_int(m);
-       kex->kex_type = buffer_get_int(m);
-@@ -1898,6 +1922,9 @@
-       OM_uint32 major;
-       u_int len;
- 
-+      if (!options.gss_authentication && !options.gss_keyex)
-+              fatal("In GSSAPI monitor when GSSAPI is disabled");
-+
-       goid.elements = buffer_get_string(m, &len);
-       goid.length = len;
- 
-@@ -1925,6 +1952,9 @@
-       OM_uint32 flags = 0; /* GSI needs this */
-       u_int len;
- 
-+      if (!options.gss_authentication && !options.gss_keyex)
-+              fatal("In GSSAPI monitor when GSSAPI is disabled");
-+
-       in.value = buffer_get_string(m, &len);
-       in.length = len;
-       major = ssh_gssapi_accept_ctx(gsscontext, &in, &out, &flags);
-@@ -1942,6 +1972,7 @@
-               monitor_permit(mon_dispatch, MONITOR_REQ_GSSSTEP, 0);
-               monitor_permit(mon_dispatch, MONITOR_REQ_GSSUSEROK, 1);
-               monitor_permit(mon_dispatch, MONITOR_REQ_GSSCHECKMIC, 1);
-+              monitor_permit(mon_dispatch, MONITOR_REQ_GSSSIGN, 1);
-       }
-       return (0);
- }
-@@ -1953,6 +1984,9 @@
-       OM_uint32 ret;
-       u_int len;
- 
-+      if (!options.gss_authentication && !options.gss_keyex)
-+              fatal("In GSSAPI monitor when GSSAPI is disabled");
-+
-       gssbuf.value = buffer_get_string(m, &len);
-       gssbuf.length = len;
-       mic.value = buffer_get_string(m, &len);
-@@ -1979,7 +2013,11 @@
- {
-       int authenticated;
- 
--      authenticated = authctxt->valid && ssh_gssapi_userok(authctxt->user);
-+      if (!options.gss_authentication && !options.gss_keyex)
-+              fatal("In GSSAPI monitor when GSSAPI is disabled");
-+
-+      authenticated = authctxt->valid && 
-+          ssh_gssapi_userok(authctxt->user, authctxt->pw);
- 
-       buffer_clear(m);
-       buffer_put_int(m, authenticated);
-@@ -1992,6 +2030,74 @@
-       /* Monitor loop will terminate if authenticated */
-       return (authenticated);
- }
-+
-+int 
-+mm_answer_gss_sign(int socket, Buffer *m)
-+{
-+      gss_buffer_desc data;
-+      gss_buffer_desc hash = GSS_C_EMPTY_BUFFER;
-+      OM_uint32 major, minor;
-+      u_int len;
-+
-+      if (!options.gss_authentication && !options.gss_keyex)
-+              fatal("In GSSAPI monitor when GSSAPI is disabled");
-+
-+      data.value = buffer_get_string(m, &len);
-+      data.length = len;
-+      if (data.length != 20) 
-+              fatal("%s: data length incorrect: %d", __func__, 
-+                  (int) data.length);
-+
-+      /* Save the session ID on the first time around */
-+      if (session_id2_len == 0) {
-+              session_id2_len = data.length;
-+              session_id2 = xmalloc(session_id2_len);
-+              memcpy(session_id2, data.value, session_id2_len);
-+      }
-+      major = ssh_gssapi_sign(gsscontext, &data, &hash);
-+
-+      free(data.value);
-+
-+      buffer_clear(m);
-+      buffer_put_int(m, major);
-+      buffer_put_string(m, hash.value, hash.length);
-+
-+      mm_request_send(socket, MONITOR_ANS_GSSSIGN, m);
-+
-+      gss_release_buffer(&minor, &hash);
-+
-+      /* Turn on getpwnam permissions */
-+      monitor_permit(mon_dispatch, MONITOR_REQ_PWNAM, 1);
-+      
-+      /* And credential updating, for when rekeying */
-+      monitor_permit(mon_dispatch, MONITOR_REQ_GSSUPCREDS, 1);
-+
-+      return (0);
-+}
-+
-+int
-+mm_answer_gss_updatecreds(int socket, Buffer *m) {
-+      ssh_gssapi_ccache store;
-+      int ok;
-+
-+      store.filename = buffer_get_string(m, NULL);
-+      store.envvar   = buffer_get_string(m, NULL);
-+      store.envval   = buffer_get_string(m, NULL);
-+
-+      ok = ssh_gssapi_update_creds(&store);
-+
-+      free(store.filename);
-+      free(store.envvar);
-+      free(store.envval);
-+
-+      buffer_clear(m);
-+      buffer_put_int(m, ok);
-+
-+      mm_request_send(socket, MONITOR_ANS_GSSUPCREDS, m);
-+
-+      return(0);
-+}
-+
- #endif /* GSSAPI */
- 
- #ifdef JPAKE
-diff --speed-large-files --minimal -Nru openssh-5.8p1/monitor.h 
openssh-5.8p1.new/monitor.h
---- openssh-5.8p1/monitor.h    2008-11-05 06:20:46.000000000 +0100
-+++ openssh-5.8p1.new/monitor.h        2011-02-12 18:07:11.311728071 +0100
-@@ -53,6 +53,9 @@
-       MONITOR_REQ_GSSUSEROK = 46, MONITOR_ANS_GSSUSEROK = 47,
-       MONITOR_REQ_GSSCHECKMIC = 48, MONITOR_ANS_GSSCHECKMIC = 49,
-       MONITOR_REQ_TERM = 50,
-+
-+      MONITOR_REQ_GSSSIGN = 62, MONITOR_ANS_GSSSIGN = 63,
-+      MONITOR_REQ_GSSUPCREDS = 64, MONITOR_ANS_GSSUPCREDS = 65,
-
-       MONITOR_REQ_PAM_START = 100,
-       MONITOR_REQ_PAM_ACCOUNT = 102, MONITOR_ANS_PAM_ACCOUNT = 103,
-       MONITOR_REQ_PAM_INIT_CTX = 104, MONITOR_ANS_PAM_INIT_CTX = 105,
-diff --speed-large-files --minimal -Nru openssh-5.8p1/monitor_wrap.c 
openssh-5.8p1.new/monitor_wrap.c
---- openssh-5.8p1/monitor_wrap.c       2010-08-31 14:41:14.000000000 +0200
-+++ openssh-5.8p1.new/monitor_wrap.c   2011-02-12 18:07:11.359631731 +0100
-@@ -1232,7 +1232,7 @@
- }
- 
- int
--mm_ssh_gssapi_userok(char *user)
-+mm_ssh_gssapi_userok(char *user, struct passwd *pw)
- {
-       Buffer m;
-       int authenticated = 0;
-@@ -1249,6 +1249,51 @@
-       debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not 
");
-       return (authenticated);
- }
-+
-+OM_uint32
-+mm_ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_desc *data, gss_buffer_desc *hash)
-+{
-+      Buffer m;
-+      OM_uint32 major;
-+      u_int len;
-+
-+      buffer_init(&m);
-+      buffer_put_string(&m, data->value, data->length);
-+
-+      mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSIGN, &m);
-+      mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSIGN, &m);
-+
-+      major = buffer_get_int(&m);
-+      hash->value = buffer_get_string(&m, &len);
-+      hash->length = len;
-+
-+      buffer_free(&m);
-+
-+      return(major);
-+}
-+
-+int
-+mm_ssh_gssapi_update_creds(ssh_gssapi_ccache *store)
-+{
-+      Buffer m;
-+      int ok;
-+
-+      buffer_init(&m);
-+
-+      buffer_put_cstring(&m, store->filename ? store->filename : "");
-+      buffer_put_cstring(&m, store->envvar ? store->envvar : "");
-+      buffer_put_cstring(&m, store->envval ? store->envval : "");
-+      
-+      mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUPCREDS, &m);
-+      mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSUPCREDS, 
&m);
-+
-+      ok = buffer_get_int(&m);
-+
-+      buffer_free(&m);
-+      
-+      return (ok);
-+}
-+
- #endif /* GSSAPI */
- 
- #ifdef JPAKE
-diff --speed-large-files --minimal -Nru openssh-5.8p1/monitor_wrap.h 
openssh-5.8p1.new/monitor_wrap.h
---- openssh-5.8p1/monitor_wrap.h       2009-03-05 14:58:22.000000000 +0100
-+++ openssh-5.8p1.new/monitor_wrap.h   2011-02-12 18:07:11.407619296 +0100
-@@ -57,8 +57,10 @@
- OM_uint32 mm_ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
- OM_uint32 mm_ssh_gssapi_accept_ctx(Gssctxt *,
-    gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
--int mm_ssh_gssapi_userok(char *user);
-+int mm_ssh_gssapi_userok(char *user, struct passwd *);
- OM_uint32 mm_ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
-+OM_uint32 mm_ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
-+int mm_ssh_gssapi_update_creds(ssh_gssapi_ccache *);
- #endif
- 
- #ifdef USE_PAM
-diff --speed-large-files --minimal -Nru openssh-5.8p1/readconf.c 
openssh-5.8p1.new/readconf.c
---- openssh-5.8p1/readconf.c   2010-11-20 05:19:38.000000000 +0100
-+++ openssh-5.8p1.new/readconf.c       2011-02-12 18:07:11.460306621 +0100
-@@ -129,6 +129,8 @@
-       oClearAllForwardings, oNoHostAuthenticationForLocalhost,
-       oEnableSSHKeysign, oRekeyLimit, oVerifyHostKeyDNS, oConnectTimeout,
-       oAddressFamily, oGssAuthentication, oGssDelegateCreds,
-+      oGssTrustDns, oGssKeyEx, oGssClientIdentity, oGssRenewalRekey,
-+      oGssServerIdentity, 
-       oServerAliveInterval, oServerAliveCountMax, oIdentitiesOnly,
-       oSendEnv, oControlPath, oControlMaster, oControlPersist,
-       oHashKnownHosts,
-@@ -169,10 +171,19 @@
-       { "afstokenpassing", oUnsupported },
- #if defined(GSSAPI)
-       { "gssapiauthentication", oGssAuthentication },
-+      { "gssapikeyexchange", oGssKeyEx },
-       { "gssapidelegatecredentials", oGssDelegateCreds },
-+      { "gssapitrustdns", oGssTrustDns },
-+      { "gssapiclientidentity", oGssClientIdentity },
-+      { "gssapiserveridentity", oGssServerIdentity },
-+      { "gssapirenewalforcesrekey", oGssRenewalRekey },
- #else
-       { "gssapiauthentication", oUnsupported },
-+      { "gssapikeyexchange", oUnsupported },
-       { "gssapidelegatecredentials", oUnsupported },
-+      { "gssapitrustdns", oUnsupported },
-+      { "gssapiclientidentity", oUnsupported },
-+      { "gssapirenewalforcesrekey", oUnsupported },
- #endif
-       { "fallbacktorsh", oDeprecated },
-       { "usersh", oDeprecated },
-@@ -479,10 +490,30 @@
-               intptr = &options->gss_authentication;
-               goto parse_flag;
- 
-+      case oGssKeyEx:
-+              intptr = &options->gss_keyex;
-+              goto parse_flag;
-+
-       case oGssDelegateCreds:
-               intptr = &options->gss_deleg_creds;
-               goto parse_flag;
- 
-+      case oGssTrustDns:
-+              intptr = &options->gss_trust_dns;
-+              goto parse_flag;
-+
-+      case oGssClientIdentity:
-+              charptr = &options->gss_client_identity;
-+              goto parse_string;
-+
-+      case oGssServerIdentity:
-+              charptr = &options->gss_server_identity;
-+              goto parse_string;
-+
-+      case oGssRenewalRekey:
-+              intptr = &options->gss_renewal_rekey;
-+              goto parse_flag;
-+
-       case oBatchMode:
-               intptr = &options->batch_mode;
-               goto parse_flag;
-@@ -1092,7 +1123,12 @@
-       options->pubkey_authentication = -1;
-       options->challenge_response_authentication = -1;
-       options->gss_authentication = -1;
-+      options->gss_keyex = -1;
-       options->gss_deleg_creds = -1;
-+      options->gss_trust_dns = -1;
-+      options->gss_renewal_rekey = -1;
-+      options->gss_client_identity = NULL;
-+      options->gss_server_identity = NULL;
-       options->password_authentication = -1;
-       options->kbd_interactive_authentication = -1;
-       options->kbd_interactive_devices = NULL;
-@@ -1193,8 +1229,14 @@
-               options->challenge_response_authentication = 1;
-       if (options->gss_authentication == -1)
-               options->gss_authentication = 0;
-+      if (options->gss_keyex == -1)
-+              options->gss_keyex = 0;
-       if (options->gss_deleg_creds == -1)
-               options->gss_deleg_creds = 0;
-+      if (options->gss_trust_dns == -1)
-+              options->gss_trust_dns = 0;
-+      if (options->gss_renewal_rekey == -1)
-+              options->gss_renewal_rekey = 0;
-       if (options->password_authentication == -1)
-               options->password_authentication = 1;
-       if (options->kbd_interactive_authentication == -1)
-diff --speed-large-files --minimal -Nru openssh-5.8p1/readconf.h 
openssh-5.8p1.new/readconf.h
---- openssh-5.8p1/readconf.h   2010-11-20 05:19:38.000000000 +0100
-+++ openssh-5.8p1.new/readconf.h       2011-02-12 18:07:11.507187275 +0100
-@@ -46,7 +46,12 @@
-       int     challenge_response_authentication;
-                                       /* Try S/Key or TIS, authentication. */
-       int     gss_authentication;     /* Try GSS authentication */
-+      int     gss_keyex;              /* Try GSS key exchange */
-       int     gss_deleg_creds;        /* Delegate GSS credentials */
-+      int     gss_trust_dns;          /* Trust DNS for GSS canonicalization */
-+      int     gss_renewal_rekey;      /* Credential renewal forces rekey */
-+      char    *gss_client_identity;   /* Principal to initiate GSSAPI with */
-+      char    *gss_server_identity;   /* GSSAPI target principal */
-       int     password_authentication;        /* Try password
-                                                * authentication. */
-       int     kbd_interactive_authentication; /* Try keyboard-interactive 
auth. */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/servconf.c 
openssh-5.8p1.new/servconf.c
---- openssh-5.8p1/servconf.c   2010-11-20 05:19:38.000000000 +0100
-+++ openssh-5.8p1.new/servconf.c       2011-02-12 18:07:11.533252334 +0100
-@@ -97,7 +97,10 @@
-       options->kerberos_ticket_cleanup = -1;
-       options->kerberos_get_afs_token = -1;
-       options->gss_authentication=-1;
-+      options->gss_keyex = -1;
-       options->gss_cleanup_creds = -1;
-+      options->gss_strict_acceptor = -1;
-+      options->gss_store_rekey = -1;
-       options->password_authentication = -1;
-       options->kbd_interactive_authentication = -1;
-       options->challenge_response_authentication = -1;
-@@ -226,8 +229,14 @@
-               options->kerberos_get_afs_token = 0;
-       if (options->gss_authentication == -1)
-               options->gss_authentication = 0;
-+      if (options->gss_keyex == -1)
-+              options->gss_keyex = 0;
-       if (options->gss_cleanup_creds == -1)
-               options->gss_cleanup_creds = 1;
-+      if (options->gss_strict_acceptor == -1)
-+              options->gss_strict_acceptor = 1;
-+      if (options->gss_store_rekey == -1)
-+              options->gss_store_rekey = 0;
-       if (options->password_authentication == -1)
-               options->password_authentication = 1;
-       if (options->kbd_interactive_authentication == -1)
-@@ -322,7 +331,9 @@
-       sBanner, sUseDNS, sHostbasedAuthentication,
-       sHostbasedUsesNameFromPacketOnly, sClientAliveInterval,
-       sClientAliveCountMax, sAuthorizedKeysFile,
--      sGssAuthentication, sGssCleanupCreds, sAcceptEnv, sPermitTunnel,
-+      sGssAuthentication, sGssCleanupCreds, sGssStrictAcceptor,
-+      sGssKeyEx, sGssStoreRekey,
-+      sAcceptEnv, sPermitTunnel,
-       sMatch, sPermitOpen, sForceCommand, sChrootDirectory,
-       sUsePrivilegeSeparation, sAllowAgentForwarding,
-       sZeroKnowledgePasswordAuthentication, sHostCertificate,
-@@ -386,10 +397,20 @@
- #ifdef GSSAPI
-       { "gssapiauthentication", sGssAuthentication, SSHCFG_ALL },
-       { "gssapicleanupcredentials", sGssCleanupCreds, SSHCFG_GLOBAL },
-+      { "gssapicleanupcreds", sGssCleanupCreds, SSHCFG_GLOBAL },
-+      { "gssapistrictacceptorcheck", sGssStrictAcceptor, SSHCFG_GLOBAL },
-+      { "gssapikeyexchange", sGssKeyEx, SSHCFG_GLOBAL },
-+      { "gssapistorecredentialsonrekey", sGssStoreRekey, SSHCFG_GLOBAL },
- #else
-       { "gssapiauthentication", sUnsupported, SSHCFG_ALL },
-       { "gssapicleanupcredentials", sUnsupported, SSHCFG_GLOBAL },
-+      { "gssapicleanupcreds", sUnsupported, SSHCFG_GLOBAL },
-+      { "gssapistrictacceptorcheck", sUnsupported, SSHCFG_GLOBAL },
-+      { "gssapikeyexchange", sUnsupported, SSHCFG_GLOBAL },
-+      { "gssapistorecredentialsonrekey", sUnsupported, SSHCFG_GLOBAL },
- #endif
-+      { "gssusesessionccache", sUnsupported, SSHCFG_GLOBAL },
-+      { "gssapiusesessioncredcache", sUnsupported, SSHCFG_GLOBAL },
-       { "passwordauthentication", sPasswordAuthentication, SSHCFG_ALL },
-       { "kbdinteractiveauthentication", sKbdInteractiveAuthentication, 
SSHCFG_ALL },
-       { "challengeresponseauthentication", sChallengeResponseAuthentication, 
SSHCFG_GLOBAL },
-@@ -944,10 +965,22 @@
-               intptr = &options->gss_authentication;
-               goto parse_flag;
- 
-+      case sGssKeyEx:
-+              intptr = &options->gss_keyex;
-+              goto parse_flag;
-+
-       case sGssCleanupCreds:
-               intptr = &options->gss_cleanup_creds;
-               goto parse_flag;
- 
-+      case sGssStrictAcceptor:
-+              intptr = &options->gss_strict_acceptor;
-+              goto parse_flag;
-+
-+      case sGssStoreRekey:
-+              intptr = &options->gss_store_rekey;
-+              goto parse_flag;
-+
-       case sPasswordAuthentication:
-               intptr = &options->password_authentication;
-               goto parse_flag;
-@@ -1704,7 +1737,10 @@
- #endif
- #ifdef GSSAPI
-       dump_cfg_fmtint(sGssAuthentication, o->gss_authentication);
-+      dump_cfg_fmtint(sGssKeyEx, o->gss_keyex);
-       dump_cfg_fmtint(sGssCleanupCreds, o->gss_cleanup_creds);
-+      dump_cfg_fmtint(sGssStrictAcceptor, o->gss_strict_acceptor);
-+      dump_cfg_fmtint(sGssStoreRekey, o->gss_store_rekey);
- #endif
- #ifdef JPAKE
-       dump_cfg_fmtint(sZeroKnowledgePasswordAuthentication,
-diff --speed-large-files --minimal -Nru openssh-5.8p1/servconf.h 
openssh-5.8p1.new/servconf.h
---- openssh-5.8p1/servconf.h   2010-11-20 05:19:38.000000000 +0100
-+++ openssh-5.8p1.new/servconf.h       2011-02-12 18:07:11.548572408 +0100
-@@ -97,7 +97,10 @@
-       int     kerberos_get_afs_token;         /* If true, try to get AFS 
token if
-                                                * authenticated with Kerberos. 
*/
-       int     gss_authentication;     /* If true, permit GSSAPI 
authentication */
-+      int     gss_keyex;              /* If true, permit GSSAPI key exchange 
*/
-       int     gss_cleanup_creds;      /* If true, destroy cred cache on 
logout */
-+      int     gss_strict_acceptor;    /* If true, restrict the GSSAPI 
acceptor name */
-+      int     gss_store_rekey;
-       int     password_authentication;        /* If true, permit password
-                                                * authentication. */
-       int     kbd_interactive_authentication; /* If true, permit */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/ssh-gss.h 
openssh-5.8p1.new/ssh-gss.h
---- openssh-5.8p1/ssh-gss.h    2007-06-12 15:40:39.000000000 +0200
-+++ openssh-5.8p1.new/ssh-gss.h        2011-02-12 18:07:11.567306608 +0100
-@@ -1,6 +1,6 @@
- /* $OpenBSD: ssh-gss.h,v 1.10 2007/06/12 08:20:00 djm Exp $ */
- /*
-- * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
-+ * Copyright (c) 2001-2009 Simon Wilkinson. All rights reserved.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-@@ -60,10 +60,22 @@
- 
- #define SSH_GSS_OIDTYPE 0x06
- 
-+#define SSH2_MSG_KEXGSS_INIT                            30
-+#define SSH2_MSG_KEXGSS_CONTINUE                        31
-+#define SSH2_MSG_KEXGSS_COMPLETE                        32
-+#define SSH2_MSG_KEXGSS_HOSTKEY                         33
-+#define SSH2_MSG_KEXGSS_ERROR                           34
-+#define SSH2_MSG_KEXGSS_GROUPREQ                      40
-+#define SSH2_MSG_KEXGSS_GROUP                         41
-+#define KEX_GSS_GRP1_SHA1_ID                          "gss-group1-sha1-"
-+#define KEX_GSS_GRP14_SHA1_ID                         "gss-group14-sha1-"
-+#define KEX_GSS_GEX_SHA1_ID                           "gss-gex-sha1-"
-+
- typedef struct {
-       char *filename;
-       char *envvar;
-       char *envval;
-+      struct passwd *owner;
-       void *data;
- } ssh_gssapi_ccache;
- 
-@@ -71,8 +83,11 @@
-       gss_buffer_desc displayname;
-       gss_buffer_desc exportedname;
-       gss_cred_id_t creds;
-+      gss_name_t name;
-       struct ssh_gssapi_mech_struct *mech;
-       ssh_gssapi_ccache store;
-+      int used;
-+      int updated;
- } ssh_gssapi_client;
- 
- typedef struct ssh_gssapi_mech_struct {
-@@ -83,6 +98,7 @@
-       int (*userok) (ssh_gssapi_client *, char *);
-       int (*localname) (ssh_gssapi_client *, char **);
-       void (*storecreds) (ssh_gssapi_client *);
-+      int (*updatecreds) (ssh_gssapi_ccache *, ssh_gssapi_client *);
- } ssh_gssapi_mech;
- 
- typedef struct {
-@@ -93,10 +109,11 @@
-       gss_OID         oid; /* client */
-       gss_cred_id_t   creds; /* server */
-       gss_name_t      client; /* server */
--      gss_cred_id_t   client_creds; /* server */
-+      gss_cred_id_t   client_creds; /* both */
- } Gssctxt;
- 
- extern ssh_gssapi_mech *supported_mechs[];
-+extern Gssctxt *gss_kex_context;
- 
- int  ssh_gssapi_check_oid(Gssctxt *, void *, size_t);
- void ssh_gssapi_set_oid_data(Gssctxt *, void *, size_t);
-@@ -116,16 +133,30 @@
- void ssh_gssapi_delete_ctx(Gssctxt **);
- OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
- void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *);
--int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *);
-+int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *, const char 
*);
-+OM_uint32 ssh_gssapi_client_identity(Gssctxt *, const char *);
-+int ssh_gssapi_credentials_updated(Gssctxt *);
- 
- /* In the server */
-+typedef int ssh_gssapi_check_fn(Gssctxt **, gss_OID, const char *, 
-+    const char *);
-+char *ssh_gssapi_client_mechanisms(const char *, const char *);
-+char *ssh_gssapi_kex_mechs(gss_OID_set, ssh_gssapi_check_fn *, const char *,
-+    const char *);
-+gss_OID ssh_gssapi_id_kex(Gssctxt *, char *, int);
-+int ssh_gssapi_server_check_mech(Gssctxt **,gss_OID, const char *, 
-+    const char *);
- OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
--int ssh_gssapi_userok(char *name);
-+int ssh_gssapi_userok(char *name, struct passwd *);
- OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
- void ssh_gssapi_do_child(char ***, u_int *);
- void ssh_gssapi_cleanup_creds(void);
- void ssh_gssapi_storecreds(void);
- 
-+char *ssh_gssapi_server_mechanisms(void);
-+int ssh_gssapi_oid_table_ok();
-+
-+int ssh_gssapi_update_creds(ssh_gssapi_ccache *store);
- #endif /* GSSAPI */
- 
- #endif /* _SSH_GSS_H */
-diff --speed-large-files --minimal -Nru openssh-5.8p1/ssh_config 
openssh-5.8p1.new/ssh_config
---- openssh-5.8p1/ssh_config   2010-01-12 09:40:27.000000000 +0100
-+++ openssh-5.8p1.new/ssh_config       2011-02-12 18:07:11.580240516 +0100
-@@ -26,6 +26,8 @@
- #   HostbasedAuthentication no
- #   GSSAPIAuthentication no
- #   GSSAPIDelegateCredentials no
-+#   GSSAPIKeyExchange no
-+#   GSSAPITrustDNS no
- #   BatchMode no
- #   CheckHostIP yes
- #   AddressFamily any
-diff --speed-large-files --minimal -Nru openssh-5.8p1/ssh_config.5 
openssh-5.8p1.new/ssh_config.5
---- openssh-5.8p1/ssh_config.5 2010-12-26 04:26:48.000000000 +0100
-+++ openssh-5.8p1.new/ssh_config.5     2011-02-12 18:07:11.600266821 +0100
-@@ -508,11 +508,43 @@
- The default is
- .Dq no .
- Note that this option applies to protocol version 2 only.
-+.It Cm GSSAPIKeyExchange
-+Specifies whether key exchange based on GSSAPI may be used. When using
-+GSSAPI key exchange the server need not have a host key.
-+The default is
-+.Dq no .
-+Note that this option applies to protocol version 2 only.
-+.It Cm GSSAPIClientIdentity
-+If set, specifies the GSSAPI client identity that ssh should use when 
-+connecting to the server. The default is unset, which means that the default 
-+identity will be used.
-+.It Cm GSSAPIServerIdentity
-+If set, specifies the GSSAPI server identity that ssh should expect when 
-+connecting to the server. The default is unset, which means that the
-+expected GSSAPI server identity will be determined from the target
-+hostname.
- .It Cm GSSAPIDelegateCredentials
- Forward (delegate) credentials to the server.
- The default is
- .Dq no .
--Note that this option applies to protocol version 2 only.
-+Note that this option applies to protocol version 2 connections using GSSAPI.
-+.It Cm GSSAPIRenewalForcesRekey
-+If set to 
-+.Dq yes
-+then renewal of the client's GSSAPI credentials will force the rekeying of the
-+ssh connection. With a compatible server, this can delegate the renewed 
-+credentials to a session on the server.
-+The default is
-+.Dq no .
-+.It Cm GSSAPITrustDns
-+Set to 
-+.Dq yes to indicate that the DNS is trusted to securely canonicalize
-+the name of the host being connected to. If 
-+.Dq no, the hostname entered on the
-+command line will be passed untouched to the GSSAPI library.
-+The default is
-+.Dq no .
-+This option only applies to protocol version 2 connections using GSSAPI.
- .It Cm HashKnownHosts
- Indicates that
- .Xr ssh 1
-diff --speed-large-files --minimal -Nru openssh-5.8p1/sshconnect2.c 
openssh-5.8p1.new/sshconnect2.c
---- openssh-5.8p1/sshconnect2.c        2010-12-01 02:21:51.000000000 +0100
-+++ openssh-5.8p1.new/sshconnect2.c    2011-02-12 18:07:11.623078773 +0100
-@@ -159,9 +159,34 @@
- {
-       Kex *kex;
- 
-+#ifdef GSSAPI
-+      char *orig = NULL, *gss = NULL;
-+      char *gss_host = NULL;
-+#endif
-+
-       xxx_host = host;
-       xxx_hostaddr = hostaddr;
- 
-+#ifdef GSSAPI
-+      if (options.gss_keyex) {
-+              /* Add the GSSAPI mechanisms currently supported on this 
-+               * client to the key exchange algorithm proposal */
-+              orig = myproposal[PROPOSAL_KEX_ALGS];
-+
-+              if (options.gss_trust_dns)
-+                      gss_host = (char *)get_canonical_hostname(1);
-+              else
-+                      gss_host = host;
-+
-+              gss = ssh_gssapi_client_mechanisms(gss_host, 
options.gss_client_identity);
-+              if (gss) {
-+                      debug("Offering GSSAPI proposal: %s", gss);
-+                      xasprintf(&myproposal[PROPOSAL_KEX_ALGS],
-+                          "%s,%s", gss, orig);
-+              }
-+      }
-+#endif
-+
-       if (options.ciphers == (char *)-1) {
-               logit("No valid ciphers for protocol version 2 given, using 
defaults.");
-               options.ciphers = NULL;
-@@ -196,6 +221,17 @@
-       if (options.kex_algorithms != NULL)
-               myproposal[PROPOSAL_KEX_ALGS] = options.kex_algorithms;
- 
-+#ifdef GSSAPI
-+      /* If we've got GSSAPI algorithms, then we also support the
-+       * 'null' hostkey, as a last resort */
-+      if (options.gss_keyex && gss) {
-+              orig = myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS];
-+              xasprintf(&myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS], 
-+                  "%s,null", orig);
-+              free(gss);
-+      }
-+#endif
-+
-       if (options.rekey_limit || options.rekey_interval)
-               packet_set_rekey_limits((u_int32_t)options.rekey_limit,
- 
-@@ -206,11 +242,31 @@
-       kex->kex[KEX_DH_GEX_SHA1] = kexgex_client;
-       kex->kex[KEX_DH_GEX_SHA256] = kexgex_client;
-       kex->kex[KEX_ECDH_SHA2] = kexecdh_client;
-       kex->kex[KEX_C25519_SHA256] = kexc25519_client;
-+#ifdef GSSAPI
-+      if (options.gss_keyex) {
-+              kex->kex[KEX_GSS_GRP1_SHA1] = kexgss_client;
-+              kex->kex[KEX_GSS_GRP14_SHA1] = kexgss_client;
-+              kex->kex[KEX_GSS_GEX_SHA1] = kexgss_client;
-+      }
-+#endif
-       kex->client_version_string=client_version_string;
-       kex->server_version_string=server_version_string;
-       kex->verify_host_key=&verify_host_key_callback;
- 
-+#ifdef GSSAPI
-+      if (options.gss_keyex) {
-+              kex->gss_deleg_creds = options.gss_deleg_creds;
-+              kex->gss_trust_dns = options.gss_trust_dns;
-+              kex->gss_client = options.gss_client_identity;
-+              if (options.gss_server_identity) {
-+                      kex->gss_host = options.gss_server_identity;
-+              } else {
-+                      kex->gss_host = gss_host;
-+        }
-+      }
-+#endif
-+
-       xxx_kex = kex;
- 
-       dispatch_run(DISPATCH_BLOCK, &kex->done, kex);
-@@ -304,6 +360,7 @@
- void  input_gssapi_hash(int type, u_int32_t, void *);
- void  input_gssapi_error(int, u_int32_t, void *);
- void  input_gssapi_errtok(int, u_int32_t, void *);
-+int   userauth_gsskeyex(Authctxt *authctxt);
- #endif
- 
- void  userauth(Authctxt *, char *);
-@@ -319,6 +376,11 @@
- 
- Authmethod authmethods[] = {
- #ifdef GSSAPI
-+      {"gssapi-keyex",
-+              userauth_gsskeyex,
-+              NULL,
-+              &options.gss_authentication,
-+              NULL},
-       {"gssapi-with-mic",
-               userauth_gssapi,
-               NULL,
-@@ -625,19 +687,31 @@
-       static u_int mech = 0;
-       OM_uint32 min;
-       int ok = 0;
-+      const char *gss_host;
-+
-+      if (options.gss_server_identity)
-+              gss_host = options.gss_server_identity;
-+      else if (options.gss_trust_dns)
-+              gss_host = get_canonical_hostname(1);
-+      else
-+              gss_host = authctxt->host;
- 
-       /* Try one GSSAPI method at a time, rather than sending them all at
-        * once. */
- 
-       if (gss_supported == NULL)
--              gss_indicate_mechs(&min, &gss_supported);
-+              if (GSS_ERROR(gss_indicate_mechs(&min, &gss_supported))) {
-+                      gss_supported = NULL;
-+                      return 0;
-+              }
- 
-       /* Check to see if the mechanism is usable before we offer it */
-       while (mech < gss_supported->count && !ok) {
-               /* My DER encoding requires length<128 */
-               if (gss_supported->elements[mech].length < 128 &&
-                   ssh_gssapi_check_mechanism(&gssctxt, 
--                  &gss_supported->elements[mech], authctxt->host)) {
-+                  &gss_supported->elements[mech], gss_host, 
-+                    options.gss_client_identity)) {
-                       ok = 1; /* Mechanism works */
-               } else {
-                       mech++;
-@@ -734,8 +808,8 @@
- {
-       Authctxt *authctxt = ctxt;
-       Gssctxt *gssctxt;
--      int oidlen;
--      char *oidv;
-+      u_int oidlen;
-+      u_char *oidv;
- 
-       if (authctxt == NULL)
-               fatal("input_gssapi_response: no authentication context");
-@@ -845,6 +919,48 @@
-       free(msg);
-       free(lang);
- }
-+
-+int
-+userauth_gsskeyex(Authctxt *authctxt)
-+{
-+      Buffer b;
-+      gss_buffer_desc gssbuf;
-+      gss_buffer_desc mic = GSS_C_EMPTY_BUFFER;
-+      OM_uint32 ms;
-+
-+      static int attempt = 0;
-+      if (attempt++ >= 1)
-+              return (0);
-+
-+      if (gss_kex_context == NULL) {
-+              debug("No valid Key exchange context"); 
-+              return (0);
-+      }
-+
-+      ssh_gssapi_buildmic(&b, authctxt->server_user, authctxt->service,
-+          "gssapi-keyex");
-+
-+      gssbuf.value = buffer_ptr(&b);
-+      gssbuf.length = buffer_len(&b);
-+
-+      if (GSS_ERROR(ssh_gssapi_sign(gss_kex_context, &gssbuf, &mic))) {
-+              buffer_free(&b);
-+              return (0);
-+      }
-+
-+      packet_start(SSH2_MSG_USERAUTH_REQUEST);
-+      packet_put_cstring(authctxt->server_user);
-+      packet_put_cstring(authctxt->service);
-+      packet_put_cstring(authctxt->method->name);
-+      packet_put_string(mic.value, mic.length);
-+      packet_send();
-+
-+      buffer_free(&b);
-+      gss_release_buffer(&ms, &mic);
-+
-+      return (1);
-+}
-+
- #endif /* GSSAPI */
- 
- int
-diff --speed-large-files --minimal -Nru openssh-5.8p1/sshd.c 
openssh-5.8p1.new/sshd.c
---- openssh-5.8p1/sshd.c       2011-01-11 07:20:31.000000000 +0100
-+++ openssh-5.8p1.new/sshd.c   2011-02-12 18:07:11.656005267 +0100
-@@ -120,6 +120,10 @@
- #include "roaming.h"
- #include "version.h"
- 
-+#ifdef USE_SECURITY_SESSION_API
-+#include <Security/AuthSession.h>
-+#endif
-+
- #ifdef LIBWRAP
- #include <tcpd.h>
- #include <syslog.h>
-@@ -1590,10 +1594,13 @@
-               logit("Disabling protocol version 1. Could not load host key");
-               options.protocol &= ~SSH_PROTO_1;
-       }
-+#ifndef GSSAPI
-+      /* The GSSAPI key exchange can run without a host key */
-       if ((options.protocol & SSH_PROTO_2) && !sensitive_data.have_ssh2_key) {
-               logit("Disabling protocol version 2. Could not load host key");
-               options.protocol &= ~SSH_PROTO_2;
-       }
-+#endif
-       if (!(options.protocol & (SSH_PROTO_1|SSH_PROTO_2))) {
-               logit("sshd: no hostkeys available -- exiting.");
-               exit(1);
-@@ -1922,6 +1929,60 @@
-       /* Log the connection. */
-       verbose("Connection from %.500s port %d", remote_ip, remote_port);
- 
-+#ifdef USE_SECURITY_SESSION_API
-+      /*
-+       * Create a new security session for use by the new user login if
-+       * the current session is the root session or we are not launched
-+       * by inetd (eg: debugging mode or server mode).  We do not
-+       * necessarily need to create a session if we are launched from
-+       * inetd because Panther xinetd will create a session for us.
-+       *
-+       * The only case where this logic will fail is if there is an
-+       * inetd running in a non-root session which is not creating
-+       * new sessions for us.  Then all the users will end up in the
-+       * same session (bad).
-+       *
-+       * When the client exits, the session will be destroyed for us
-+       * automatically.
-+       *
-+       * We must create the session before any credentials are stored
-+       * (including AFS pags, which happens a few lines below).
-+       */
-+      {
-+              OSStatus err = 0;
-+              SecuritySessionId sid = 0;
-+              SessionAttributeBits sattrs = 0;
-+
-+              err = SessionGetInfo(callerSecuritySession, &sid, &sattrs);
-+              if (err)
-+                      error("SessionGetInfo() failed with error %.8X",
-+                          (unsigned) err);
-+              else
-+                      debug("Current Session ID is %.8X / Session Attributes 
are %.8X",
-+                          (unsigned) sid, (unsigned) sattrs);
-+
-+              if (inetd_flag && !(sattrs & sessionIsRoot))
-+                      debug("Running in inetd mode in a non-root session... "
-+                          "assuming inetd created the session for us.");
-+              else {
-+                      debug("Creating new security session...");
-+                      err = SessionCreate(0, sessionHasTTY | sessionIsRemote);
-+                      if (err)
-+                              error("SessionCreate() failed with error %.8X",
-+                                  (unsigned) err);
-+
-+                      err = SessionGetInfo(callerSecuritySession, &sid, 
-+                          &sattrs);
-+                      if (err)
-+                              error("SessionGetInfo() failed with error %.8X",
-+                                  (unsigned) err);
-+                      else
-+                              debug("New Session ID is %.8X / Session 
Attributes are %.8X",
-+                                  (unsigned) sid, (unsigned) sattrs);
-+              }
-+      }
-+#endif
-+
-       /*
-        * We don't want to listen forever unless the other side
-        * successfully authenticates itself.  So we set up an alarm which is
-@@ -2303,6 +2364,48 @@
- 
-       myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = list_hostkey_types();
- 
-+#ifdef GSSAPI
-+      {
-+      char *orig;
-+      char *gss = NULL;
-+      char *newstr = NULL;
-+      orig = myproposal[PROPOSAL_KEX_ALGS];
-+
-+      /* 
-+       * If we don't have a host key, then there's no point advertising
-+       * the other key exchange algorithms
-+       */
-+
-+      if (strlen(myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS]) == 0)
-+              orig = NULL;
-+
-+      if (options.gss_keyex)
-+              gss = ssh_gssapi_server_mechanisms();
-+      else
-+              gss = NULL;
-+
-+      if (gss && orig)
-+              xasprintf(&newstr, "%s,%s", gss, orig);
-+      else if (gss)
-+              newstr = gss;
-+      else if (orig)
-+              newstr = orig;
-+
-+      /* 
-+       * If we've got GSSAPI mechanisms, then we've got the 'null' host
-+       * key alg, but we can't tell people about it unless its the only
-+       * host key algorithm we support
-+       */
-+      if (gss && (strlen(myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS])) == 0)
-+              myproposal[PROPOSAL_SERVER_HOST_KEY_ALGS] = "null";
-+
-+      if (newstr)
-+              myproposal[PROPOSAL_KEX_ALGS] = newstr;
-+      else
-+              fatal("No supported key exchange algorithms");
-+      }
-+#endif
-+
-       /* start key exchange */
-       kex = kex_setup(myproposal);
-       kex->kex[KEX_DH_GRP1_SHA1] = kexdh_server;
-@@ -2310,6 +2413,13 @@
-       kex->kex[KEX_DH_GEX_SHA1] = kexgex_server;
-       kex->kex[KEX_DH_GEX_SHA256] = kexgex_server;
-       kex->kex[KEX_ECDH_SHA2] = kexecdh_server;
-       kex->kex[KEX_C25519_SHA256] = kexc25519_server;
-+#ifdef GSSAPI
-+      if (options.gss_keyex) {
-+              kex->kex[KEX_GSS_GRP1_SHA1] = kexgss_server;
-+              kex->kex[KEX_GSS_GRP14_SHA1] = kexgss_server;
-+              kex->kex[KEX_GSS_GEX_SHA1] = kexgss_server;
-+      }
-+#endif
-       kex->server = 1;
-       kex->client_version_string=client_version_string;
-       kex->server_version_string=server_version_string;
-diff --speed-large-files --minimal -Nru openssh-5.8p1/sshd_config 
openssh-5.8p1.new/sshd_config
---- openssh-5.8p1/sshd_config  2010-09-10 03:20:12.000000000 +0200
-+++ openssh-5.8p1.new/sshd_config      2011-02-12 18:07:11.668077725 +0100
-@@ -72,6 +72,8 @@
- # GSSAPI options
- #GSSAPIAuthentication no
- #GSSAPICleanupCredentials yes
-+#GSSAPIStrictAcceptorCheck yes
-+#GSSAPIKeyExchange no
- 
- # Set this to 'yes' to enable PAM authentication, account processing, 
- # and session processing. If this is enabled, PAM authentication will 
-diff --speed-large-files --minimal -Nru openssh-5.8p1/sshd_config.5 
openssh-5.8p1.new/sshd_config.5
---- openssh-5.8p1/sshd_config.5        2010-12-26 04:26:48.000000000 +0100
-+++ openssh-5.8p1.new/sshd_config.5    2011-02-12 18:07:11.685676774 +0100
-@@ -423,12 +423,40 @@
- The default is
- .Dq no .
- Note that this option applies to protocol version 2 only.
-+.It Cm GSSAPIKeyExchange
-+Specifies whether key exchange based on GSSAPI is allowed. GSSAPI key exchange
-+doesn't rely on ssh keys to verify host identity.
-+The default is
-+.Dq no .
-+Note that this option applies to protocol version 2 only.
- .It Cm GSSAPICleanupCredentials
- Specifies whether to automatically destroy the user's credentials cache
- on logout.
- The default is
- .Dq yes .
- Note that this option applies to protocol version 2 only.
-+.It Cm GSSAPIStrictAcceptorCheck
-+Determines whether to be strict about the identity of the GSSAPI acceptor 
-+a client authenticates against. If
-+.Dq yes
-+then the client must authenticate against the
-+.Pa host
-+service on the current hostname. If 
-+.Dq no
-+then the client may authenticate against any service key stored in the 
-+machine's default store. This facility is provided to assist with operation 
-+on multi homed machines. 
-+The default is
-+.Dq yes .
-+Note that this option applies only to protocol version 2 GSSAPI connections,
-+and setting it to 
-+.Dq no
-+may only work with recent Kerberos GSSAPI libraries.
-+.It Cm GSSAPIStoreCredentialsOnRekey
-+Controls whether the user's GSSAPI credentials should be updated following a 
-+successful connection rekeying. This option can be used to accepted renewed 
-+or updated credentials from a compatible client. The default is
-+.Dq no .
- .It Cm HostbasedAuthentication
- Specifies whether rhosts or /etc/hosts.equiv authentication together
- with successful public key client host authentication is allowed

Added: csw/mgar/pkg/openssh/trunk/files/openssh-6.7p1-gsskex-all-20140907.patch
===================================================================
--- csw/mgar/pkg/openssh/trunk/files/openssh-6.7p1-gsskex-all-20140907.patch    
                        (rev 0)
+++ csw/mgar/pkg/openssh/trunk/files/openssh-6.7p1-gsskex-all-20140907.patch    
2014-09-07 10:29:27 UTC (rev 24073)
@@ -0,0 +1,2937 @@
+diff --speed-large-files --minimal -Nru openssh-5.8p1/ChangeLog.gssapi 
openssh-5.8p1.new/ChangeLog.gssapi
+--- openssh-5.8p1/ChangeLog.gssapi     1970-01-01 01:00:00.000000000 +0100
++++ openssh-5.8p1.new/ChangeLog.gssapi 2011-02-12 18:07:10.948345760 +0100
+@@ -0,0 +1,113 @@
++20110101
++  - Finally update for OpenSSH 5.6p1
++  - Add GSSAPIServerIdentity option from Jim Basney
++ 
++20100308
++  - [ Makefile.in, key.c, key.h ]
++    Updates for OpenSSH 5.4p1
++  - [ servconf.c ]
++    Include GSSAPI options in the sshd -T configuration dump, and flag
++    some older configuration options as being unsupported. Thanks to Colin 
++    Watson.
++  -
++
++20100124
++  - [ sshconnect2.c ]
++    Adapt to deal with additional element in Authmethod structure. Thanks to
++    Colin Watson
++
++20090615
++  - [ gss-genr.c gss-serv.c kexgssc.c kexgsss.c monitor.c sshconnect2.c
++      sshd.c ]
++    Fix issues identified by Greg Hudson following a code review
++      Check return value of gss_indicate_mechs
++      Protect GSSAPI calls in monitor, so they can only be used if enabled
++      Check return values of bignum functions in key exchange
++      Use BN_clear_free to clear other side's DH value
++      Make ssh_gssapi_id_kex more robust
++      Only configure kex table pointers if GSSAPI is enabled
++      Don't leak mechanism list, or gss mechanism list
++      Cast data.length before printing
++      If serverkey isn't provided, use an empty string, rather than NULL
++
++20090201
++  - [ gss-genr.c gss-serv.c kex.h kexgssc.c readconf.c readconf.h ssh-gss.h
++      ssh_config.5 sshconnet2.c ]
++    Add support for the GSSAPIClientIdentity option, which allows the user
++    to specify which GSSAPI identity to use to contact a given server
++
++20080404
++  - [ gss-serv.c ]
++    Add code to actually implement GSSAPIStrictAcceptCheck, which had somehow
++    been omitted from a previous version of this patch. Reported by Borislav
++    Stoichkov
++
++20070317
++  - [ gss-serv-krb5.c ]
++    Remove C99ism, where new_ccname was being declared in the middle of a 
++    function
++
++20061220
++  - [ servconf.c ]
++    Make default for GSSAPIStrictAcceptorCheck be Yes, to match previous, and 
++    documented, behaviour. Reported by Dan Watson.
++
++20060910
++  - [ gss-genr.c kexgssc.c kexgsss.c kex.h monitor.c sshconnect2.c sshd.c
++      ssh-gss.h ]
++    add support for gss-group14-sha1 key exchange mechanisms
++  - [ gss-serv.c servconf.c servconf.h sshd_config sshd_config.5 ]
++    Add GSSAPIStrictAcceptorCheck option to allow the disabling of
++    acceptor principal checking on multi-homed machines.
++    <Bugzilla #928>
++  - [ sshd_config ssh_config ]
++    Add settings for GSSAPIKeyExchange and GSSAPITrustDNS to the sample
++    configuration files
++  - [ kexgss.c kegsss.c sshconnect2.c sshd.c ]
++    Code cleanup. Replace strlen/xmalloc/snprintf sequences with xasprintf()
++    Limit length of error messages displayed by client
++
++20060909
++  - [ gss-genr.c gss-serv.c ]
++    move ssh_gssapi_acquire_cred() and ssh_gssapi_server_ctx to be server
++    only, where they belong 
++    <Bugzilla #1225>
++
++20060829
++  - [ gss-serv-krb5.c ]
++    Fix CCAPI credentials cache name when creating KRB5CCNAME environment 
++    variable
++
++20060828
++  - [ gss-genr.c ]
++    Avoid Heimdal context freeing problem
++    <Fixed upstream 20060829>
++
++20060818
++  - [ gss-genr.c ssh-gss.h sshconnect2.c ]
++    Make sure that SPENGO is disabled 
++    <Bugzilla #1218 - Fixed upstream 20060818>
++
++20060421
++  - [ gssgenr.c, sshconnect2.c ]
++    a few type changes (signed versus unsigned, int versus size_t) to
++    fix compiler errors/warnings 
++    (from jbasney AT ncsa.uiuc.edu)
++  - [ kexgssc.c, sshconnect2.c ]
++    fix uninitialized variable warnings
++    (from jbasney AT ncsa.uiuc.edu)
++  - [ gssgenr.c ]
++    pass oid to gss_display_status (helpful when using GSSAPI mechglue)
++    (from jbasney AT ncsa.uiuc.edu)
++    <Bugzilla #1220 >
++  - [ gss-serv-krb5.c ]
++    #ifdef HAVE_GSSAPI_KRB5 should be #ifdef HAVE_GSSAPI_KRB5_H
++    (from jbasney AT ncsa.uiuc.edu)
++    <Fixed upstream 20060304>
++  - [ readconf.c, readconf.h, ssh_config.5, sshconnect2.c 
++    add client-side GssapiKeyExchange option
++    (from jbasney AT ncsa.uiuc.edu)
++  - [ sshconnect2.c ]
++    add support for GssapiTrustDns option for gssapi-with-mic
++    (from jbasney AT ncsa.uiuc.edu)
++    <gssapi-with-mic support is Bugzilla #1008>
+diff --speed-large-files --minimal -Nru openssh-5.8p1/Makefile.in 
openssh-5.8p1.new/Makefile.in
+--- openssh-5.8p1/Makefile.in  2011-02-04 01:42:13.000000000 +0100
++++ openssh-5.8p1.new/Makefile.in      2011-02-12 18:07:10.990611445 +0100
+@@ -75,6 +75,7 @@
+       atomicio.o key.o dispatch.o kex.o mac.o uidswap.o uuencode.o misc.o \
+       monitor_fdpass.o rijndael.o ssh-dss.o ssh-ecdsa.o ssh-rsa.o dh.o \
+       kexdh.o kexgex.o kexdhc.o kexgexc.o bufec.o kexecdh.o kexecdhc.o \
++      kexgssc.o \
+       msg.o progressmeter.o dns.o entropy.o gss-genr.o umac.o umac128.o \
+       jpake.o schnorr.o ssh-pkcs11.o kr1.o
+ 
+@@ -91,7 +92,7 @@
+       auth2-none.o auth2-passwd.o auth2-pubkey.o auth2-jpake.o \
+       monitor_mm.o monitor.o monitor_wrap.o kexdhs.o kexgexs.o kexecdhs.o \
+       kexc25519s.o auth-krb5.o \
+-      auth2-gss.o gss-serv.o gss-serv-krb5.o \
++      auth2-gss.o gss-serv.o gss-serv-krb5.o kexgsss.o\
+       loginrec.o auth-pam.o auth-shadow.o auth-sia.o md5crypt.o \
+       sftp-server.o sftp-common.o \
+       roaming_common.o roaming_serv.o
+diff --speed-large-files --minimal -Nru openssh-5.8p1/auth-krb5.c 
openssh-5.8p1.new/auth-krb5.c

@@ Diff output truncated at 100000 characters. @@
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