[src/trunk]: src/libexec/telnetd implement -u <len>. PR 13676

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/00f7b81898fc
branches:  trunk
changeset: 521465:00f7b81898fc
user:      itojun <itojun%NetBSD.org@localhost>
date:      Thu Jan 31 07:54:50 2002 +0000

description:
implement -u <len>. PR 13676

diffstat:

 libexec/telnetd/telnetd.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (33 lines):

diff -r f45771d4c4eb -r 00f7b81898fc libexec/telnetd/telnetd.c
--- a/libexec/telnetd/telnetd.c Thu Jan 31 07:45:22 2002 +0000
+++ b/libexec/telnetd/telnetd.c Thu Jan 31 07:54:50 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: telnetd.c,v 1.31 2001/09/02 18:56:26 wiz Exp $ */
+/*     $NetBSD: telnetd.c,v 1.32 2002/01/31 07:54:50 itojun Exp $      */
 
 /*
  * Copyright (C) 1997 and 1998 WIDE Project.
@@ -69,7 +69,7 @@
 #if 0
 static char sccsid[] = "@(#)telnetd.c  8.4 (Berkeley) 5/30/95";
 #else
-__RCSID("$NetBSD: telnetd.c,v 1.31 2001/09/02 18:56:26 wiz Exp $");
+__RCSID("$NetBSD: telnetd.c,v 1.32 2002/01/31 07:54:50 itojun Exp $");
 #endif
 #endif /* not lint */
 
@@ -925,8 +925,12 @@
 #endif /* _SC_CRAY_SECURE_SYS */
 
        /* get name of connected client */
-       error = getnameinfo(who, who->sa_len, remote_host_name, 
-                           sizeof(remote_host_name), NULL, 0, 0);
+       error = getnameinfo(who, who->sa_len, remote_host_name,
+           sizeof(remote_host_name), NULL, 0, 0);
+
+       if (!error && strlen(remote_host_name) > utmp_len)
+               error = getnameinfo(who, who->sa_len, remote_host_name,
+                   sizeof(remote_host_name), NULL, 0, NI_NUMERICHOST);
 
        if (error) {
                fatal(net, "Couldn't resolve your address into a host name.\r\n\