From: Ken Raeburn <raeburn@mit.edu>
Date: Fri, 7 Sep 2001 14:58:06 +0000 (+0000)
Subject: * commands.c (tn): Don't crash printing null hostname in case where supplied
X-Git-Tag: krb5-1.3-alpha1~1079
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=584a429a9349a9fb6f1140d28e343c403e37b6da;p=krb5.git

* commands.c (tn): Don't crash printing null hostname in case where supplied
destination is a numeric address that doesn't map to a hostname.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@13739 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/appl/telnet/telnet/ChangeLog b/src/appl/telnet/telnet/ChangeLog
index b10f245ed..17817386e 100644
--- a/src/appl/telnet/telnet/ChangeLog
+++ b/src/appl/telnet/telnet/ChangeLog
@@ -1,3 +1,9 @@
+2001-09-07  Ken Raeburn  <raeburn@mit.edu>
+
+	* commands.c (tn): Don't crash printing null hostname in case
+	where supplied destination is a numeric address that doesn't map
+	to a hostname.
+
 2001-09-01  Ken Raeburn  <raeburn@mit.edu>
 
 	* Makefile.in (SRCS): Use $(srcdir).
diff --git a/src/appl/telnet/telnet/commands.c b/src/appl/telnet/telnet/commands.c
index ef4d3eeca..855bf2425 100644
--- a/src/appl/telnet/telnet/commands.c
+++ b/src/appl/telnet/telnet/commands.c
@@ -2529,8 +2529,9 @@ tn(argc, argv)
 	error = getaddrinfo (hostp, portp, &hints, &addrs);
 	if (error == 0) {
 	    if (getnameinfo (addrs->ai_addr, addrs->ai_addrlen,
-			     _hostname, sizeof(_hostname), 0, 0, NI_NAMEREQD) == 0)
-		hostname = _hostname;
+			     _hostname, sizeof(_hostname), 0, 0, NI_NAMEREQD) != 0)
+		strncpy(_hostname, hostp, sizeof (_hostname));
+	    hostname = _hostname;
 	} else {
 	not_numeric:
 	    hints.ai_flags = AI_CANONNAME;