From: deraadt <deraadt@openbsd.org>
Date: Tue, 3 Sep 1996 07:27:45 +0000 (+0000)
Subject: constrain to MAXHOSTNAMELEN
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=8af354d8bbdd368f43a17bfb0fbaebf422b2c9a5;p=openbsd

constrain to MAXHOSTNAMELEN
---

diff --git a/lib/libc/net/getnetent.c b/lib/libc/net/getnetent.c
index 862596c40fa..8c3ced2214d 100644
--- a/lib/libc/net/getnetent.c
+++ b/lib/libc/net/getnetent.c
@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: getnetent.c,v 1.4 1996/08/19 08:28:47 tholo Exp $";
+static char rcsid[] = "$OpenBSD: getnetent.c,v 1.5 1996/09/03 07:27:45 deraadt Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -91,6 +91,8 @@ again:
 		goto again;
 	*cp = '\0';
 	net.n_name = p;
+	if (strlen(net.n_name) >= MAXHOSTNAMELEN-1)
+		net.n_name[MAXHOSTNAMELEN-1] = '\0';
 	cp = strpbrk(p, " \t");
 	if (cp == NULL)
 		goto again;
@@ -110,8 +112,11 @@ again:
 			cp++;
 			continue;
 		}
-		if (q < &net_aliases[MAXALIASES - 1])
+		if (q < &net_aliases[MAXALIASES - 1]) {
 			*q++ = cp;
+			if (strlen(cp) >= MAXHOSTNAMELEN-1)
+				cp[MAXHOSTNAMELEN-1] = '\0';
+		}
 		cp = strpbrk(cp, " \t");
 		if (cp != NULL)
 			*cp++ = '\0';