diff options
| author | Pedro Martelletto <pedro@cvs.openbsd.org> | 2005-03-30 00:30:52 +0000 |
|---|---|---|
| committer | Pedro Martelletto <pedro@cvs.openbsd.org> | 2005-03-30 00:30:52 +0000 |
| commit | ab90071412973f920164985b0b6bcdd98d2f1fda (patch) | |
| tree | 4f43ee1fd52ff854d7557035b06dc24a70909d27 | |
| parent | 017b3d09667b7b90399e06032d078dfe791d058d (diff) | |
Before doing the 8->16 bit expansion using a fixed-size buffer,
bound-check the string to see if it can be correctly translated.
| -rw-r--r-- | sys/isofs/udf/udf_vnops.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/isofs/udf/udf_vnops.c b/sys/isofs/udf/udf_vnops.c index 92c1043ac71..03e05e9dec9 100644 --- a/sys/isofs/udf/udf_vnops.c +++ b/sys/isofs/udf/udf_vnops.c @@ -1,4 +1,4 @@ -/* $OpenBSD: udf_vnops.c,v 1.1 2005/03/29 17:24:52 pedro Exp $ */ +/* $OpenBSD: udf_vnops.c,v 1.2 2005/03/30 00:30:51 pedro Exp $ */ /* * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org> @@ -480,6 +480,11 @@ udf_transname(char *cs0string, char *destname, int len, struct udf_mnt *udfmp) unicode_t *transname; int i, unilen = 0, destlen; + if (len > MAXNAMLEN) { + printf("udf_transname(): name too long\n"); + return (0); + } + /* allocate a buffer big enough to hold an 8->16 bit expansion */ transname = pool_get(&udf_trans_pool, PR_WAITOK); |