linux-ext4 - [PATCH e2fsprogs 07/10] ext2fs: Don't normalize names on -F directories

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 13 Apr 2019 01:43:14 -0400
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     tytso@....edu
Cc:     linux-ext4@...r.kernel.org,
        Gabriel Krisman Bertazi <krisman@...labora.com>
Subject: [PATCH e2fsprogs 07/10] ext2fs: Don't normalize names on -F directories

As agreed on the new design, even if fname_encoding is enabled,
directories entries who aren't owned by a +F directory will not be
normalized.

Signed-off-by: Gabriel Krisman Bertazi <krisman@...labora.com>
---
 lib/ext2fs/dirhash.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/ext2fs/dirhash.c b/lib/ext2fs/dirhash.c
index f1e7734d3865..b9afb599c0fa 100644
--- a/lib/ext2fs/dirhash.c
+++ b/lib/ext2fs/dirhash.c
@@ -281,15 +281,11 @@ errcode_t ext2fs_dirhash2(int version, const char *name, int len,
 	int dlen;
 	unsigned char *buff;
 
-	if (len && charset) {
+	if (len && charset && (hash_flags & EXT4_CASEFOLD_FL)) {
 		char buff[PATH_MAX];
 
-		if (hash_flags & EXT4_CASEFOLD_FL)
-			dlen = charset->ops->casefold(charset, name, len, buff,
+		dlen = charset->ops->casefold(charset, name, len, buff,
 						      sizeof(buff));
-		else
-			dlen = charset->ops->normalize(charset, name, len, buff,
-						       sizeof(buff));
 		if (dlen < 0) {
 			if (dlen == -EINVAL)
 				goto opaque_seq;
-- 
2.20.1