From 87e1afbd93806de284d32e8ad045257b64ab7349 Mon Sep 17 00:00:00 2001
From: ache <ache@FreeBSD.org>
Date: Mon, 17 Jun 1996 14:59:07 +0000
Subject: [PATCH] If hostname > UT_HOSTSIZE, use its numerical address instead
 to keep valid utmp and wtmp entries

---
 libexec/ftpd/logwtmp.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/libexec/ftpd/logwtmp.c b/libexec/ftpd/logwtmp.c
index d40840c4bfd7..d08bdba85bd3 100644
--- a/libexec/ftpd/logwtmp.c
+++ b/libexec/ftpd/logwtmp.c
@@ -37,10 +37,13 @@ static char sccsid[] = "@(#)logwtmp.c	8.1 (Berkeley) 6/4/93";
 #endif /* not lint */
 
 #include <sys/types.h>
-#include <sys/time.h>
 #include <sys/stat.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 
 #include <fcntl.h>
+#include <time.h>
+#include <netdb.h>
 #include <utmp.h>
 #include <unistd.h>
 #include <stdio.h>
@@ -61,6 +64,18 @@ logwtmp(line, name, host)
 	struct utmp ut;
 	struct stat buf;
 
+	if (strlen(host) > UT_HOSTSIZE) {
+		struct hostent *hp = gethostbyname(host);
+
+		if (hp != NULL) {
+			struct in_addr in;
+
+			memmove(&in, hp->h_addr, sizeof(in));
+			host = inet_ntoa(in);
+		} else
+			host = "invalid hostname";
+	}
+
 	if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0)
 		return;
 	if (fstat(fd, &buf) == 0) {