From: Josef 'Jeff' Sipek <jeff.sipek@open-xchange.com>
Date: Fri, 5 Feb 2021 19:48:52 +0000 (-0500)
Subject: lib-compression: Be explicit about xz magic number including a \0
X-Git-Tag: 2.3.15~116
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0a81b9bccbc386afaaa375fa450129ec324276ec;p=thirdparty%2Fdovecot%2Fcore.git

lib-compression: Be explicit about xz magic number including a \0
---

diff --git a/src/lib-compression/compression.c b/src/lib-compression/compression.c
index bf70222e1f..dd0d580bcb 100644
--- a/src/lib-compression/compression.c
+++ b/src/lib-compression/compression.c
@@ -69,7 +69,7 @@ static bool is_compressed_xz(struct istream *input)
 
 	if (i_stream_read_bytes(input, &data, &size, 6) <= 0)
 		return FALSE;
-	return memcmp(data, "\xfd\x37\x7a\x58\x5a", 6) == 0;
+	return memcmp(data, "\xfd\x37\x7a\x58\x5a\x00", 6) == 0;
 }
 
 static bool is_compressed_lz4(struct istream *input)