From de1c038bd89a21910615e06d18e5102a9b5f360c Mon Sep 17 00:00:00 2001
From: Johan Danielsson <joda@pdc.kth.se>
Date: Wed, 18 Dec 1996 00:03:41 +0000
Subject: [PATCH] Guess principal.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1145 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 kuser/kinit.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/kuser/kinit.c b/kuser/kinit.c
index 30d6124e0..4e84d2d7b 100644
--- a/kuser/kinit.c
+++ b/kuser/kinit.c
@@ -1,7 +1,9 @@
 #include <stdio.h>
 #include <string.h>
+#include <pwd.h>
 #include <krb5.h>
 
+
 int
 main (int argc, char **argv)
 {
@@ -20,9 +22,22 @@ main (int argc, char **argv)
   if (err)
     abort ();
 
-  err = krb5_parse_name (context, argv[1], &principal);
-  if (err)
-    abort ();
+  
+  if(argv[1]){
+      err = krb5_parse_name (context, argv[1], &principal);
+      if (err)
+	  abort ();
+      
+  }else{
+      char *realm;
+      struct passwd *pw;
+      krb5_get_lrealm(&realm);
+      pw = getpwuid(getuid());
+      krb5_build_principal(context, &principal, strlen(realm), realm,
+			   pw->pw_name, NULL);
+
+      free(realm);
+  }
 
   err = krb5_cc_initialize (context, ccache, principal);
   if (err)