From: Ken Raeburn <raeburn@mit.edu>
Date: Thu, 28 Jun 2001 12:20:34 +0000 (+0000)
Subject: * update_utmp.c (pty_update_utmp): Don't copy host if it's a null pointer
X-Git-Tag: krb5-1.3-alpha1~1270
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=31a93cf9b57145b1cf92119d736247aa832340f2;p=krb5.git

* update_utmp.c (pty_update_utmp): Don't copy host if it's a null pointer

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13524 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/util/pty/ChangeLog b/src/util/pty/ChangeLog
index 3a136cdfb..d598f954a 100644
--- a/src/util/pty/ChangeLog
+++ b/src/util/pty/ChangeLog
@@ -1,3 +1,8 @@
+2001-06-28  Ken Raeburn  <raeburn@mit.edu>
+
+	* update_utmp.c (pty_update_utmp): Don't copy host if it's a null
+	pointer.
+
 2001-06-21  Ezra Peisach  <epeisach@mit.edu>
 
 	* libpty.h: Change variable line in prototype to tty_line to
diff --git a/src/util/pty/update_utmp.c b/src/util/pty/update_utmp.c
index e47fede75..21f1fab6d 100644
--- a/src/util/pty/update_utmp.c
+++ b/src/util/pty/update_utmp.c
@@ -641,7 +641,8 @@ pty_update_utmp(int process_type, int pid, const char *username,
 
     memset(&ent, 0, sizeof(ent));
 #ifdef HAVE_STRUCT_UTMP_UT_HOST
-    strncpy(ent.ut_host, host, sizeof(ent.ut_host));
+    if (host)
+	strncpy(ent.ut_host, host, sizeof(ent.ut_host));
 #endif
     strncpy(ent.ut_name, username, sizeof(ent.ut_name));
     strncpy(ent.ut_line, line, sizeof(ent.ut_line));