From 78fe8216941a8d0f6fb6b9259d8b0f4ed70978d4 Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Thu, 14 Oct 1999 01:19:08 +0000
Subject: 1999-10-13 Roland McGrath <roland@baalperazim.frob.com>
* lookup.c (diskfs_lookup): Enforce diskfs_name_max limit for CREATE
and RENAME, returning ENAMETOOLONG for violations.
* io-pathconf.c (diskfs_S_io_pathconf): _PC_NO_TRUNC controlled by
diskfs_name_max setting.
---
libdiskfs/lookup.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
(limited to 'libdiskfs/lookup.c')
diff --git a/libdiskfs/lookup.c b/libdiskfs/lookup.c
index 10419f51..d81a053e 100644
--- a/libdiskfs/lookup.c
+++ b/libdiskfs/lookup.c
@@ -204,9 +204,12 @@ diskfs_lookup (struct node *dp, char *name, enum lookup_type type,
{
error_t err2;
- err2 = fshelp_checkdirmod (&dp->dn_stat,
- (err || !np) ? 0 : &(*np)->dn_stat,
- cred->user);
+ if (diskfs_name_max > 0 && strlen (name) > diskfs_name_max)
+ err2 = ENAMETOOLONG;
+ else
+ err2 = fshelp_checkdirmod (&dp->dn_stat,
+ (err || !np) ? 0 : &(*np)->dn_stat,
+ cred->user);
if (err2)
{
if (np && !err)
--
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