[src/trunk]: src/lib/libc/net Replace strcpy with strlcpy and bounds check.

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

details:   https://anonhg.NetBSD.org/src/rev/e0c06af8b8c3
branches:  trunk
changeset: 503786:e0c06af8b8c3
user:      sommerfeld <sommerfeld%NetBSD.org@localhost>
date:      Tue Feb 13 15:41:18 2001 +0000

description:
Replace strcpy with strlcpy and bounds check.
>From mheffner%vt.edu@localhost via freebsd-audit%freebsd.org@localhost via hesiod%mit.edu@localhost

diffstat:

 lib/libc/net/hesiod.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 4821ca34aa33 -r e0c06af8b8c3 lib/libc/net/hesiod.c
--- a/lib/libc/net/hesiod.c     Tue Feb 13 14:35:21 2001 +0000
+++ b/lib/libc/net/hesiod.c     Tue Feb 13 15:41:18 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hesiod.c,v 1.15 2000/10/31 12:47:21 lukem Exp $        */
+/*     $NetBSD: hesiod.c,v 1.16 2001/02/13 15:41:18 sommerfeld Exp $   */
 
 /* Copyright (c) 1996 by Internet Software Consortium.
  *
@@ -52,7 +52,7 @@
     "#Id: hesiod_p.h,v 1.1 1996/12/08 21:39:37 ghudson Exp #");
 __IDSTRING(rcsid_hescompat_c,
     "#Id: hescompat.c,v 1.1.2.1 1996/12/16 08:37:45 ghudson Exp #");
-__RCSID("$NetBSD: hesiod.c,v 1.15 2000/10/31 12:47:21 lukem Exp $");
+__RCSID("$NetBSD: hesiod.c,v 1.16 2001/02/13 15:41:18 sommerfeld Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include "namespace.h"
@@ -198,7 +198,10 @@
        _DIAGASSERT(name != NULL);
        _DIAGASSERT(type != NULL);
 
-       strcpy(bindname, name);
+        if (strlcpy(bindname, name, sizeof(bindname)) >= sizeof(bindname)) {
+                errno = EMSGSIZE;
+                return NULL;
+        }
 
                /*
                 * Find the right right hand side to use, possibly