From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 7 Jan 2016 18:43:56 +0000 (+0100)
Subject: resolved: make sure domain name hash function deals nicely with NUL embedded in labels
X-Git-Tag: v229~151^2~29
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=509eddd202f2d0962379defe1c483d5c9bd482c8;p=thirdparty%2Fsystemd.git

resolved: make sure domain name hash function deals nicely with NUL embedded in labels
---

diff --git a/src/shared/dns-domain.c b/src/shared/dns-domain.c
index 3848a0518d0..729508e6a51 100644
--- a/src/shared/dns-domain.c
+++ b/src/shared/dns-domain.c
@@ -503,10 +503,8 @@ void dns_name_hash_func(const void *s, struct siphash *state) {
                 if (r == 0)
                         break;
 
-                label[r] = 0;
-                ascii_strlower(label);
-
-                string_hash_func(label, state);
+                ascii_strlower_n(label, r);
+                siphash24_compress(label, r, state);
         }
 
         /* enforce that all names are terminated by the empty label */