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authorLennart Poettering <lennart@poettering.net>2016-01-08 01:11:55 +0100
committerLennart Poettering <lennart@poettering.net>2016-01-11 19:39:59 +0100
commitd51155663a0a95659bd8a02a6cba51359ff416db (patch)
treef4f432b97e2743c9cabc375e651eee744f146ee0 /src/resolve
parent758dd67e8d40e65f695103bb03a77afaa087c5be (diff)
shared: make sure foo.bar and foobar result in different domain name hashes
This also introduces a new macro siphash24_compress_byte() which is useful to add a single byte into the hash stream, and ports one user over to it.
Diffstat (limited to 'src/resolve')
-rw-r--r--src/resolve/resolved-dns-rr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/resolve/resolved-dns-rr.c b/src/resolve/resolved-dns-rr.c
index 993f0c4e97..dbf840157f 100644
--- a/src/resolve/resolved-dns-rr.c
+++ b/src/resolve/resolved-dns-rr.c
@@ -1120,8 +1120,9 @@ static void dns_resource_record_hash_func(const void *i, struct siphash *state)
LIST_FOREACH(items, j, rr->txt.items) {
siphash24_compress(j->data, j->length, state);
- /* Add an extra NUL byte, so that "a" followed by "b" doesn't result in the same hash as "ab" followed by "". */
- siphash24_compress((const uint8_t[]) { 0 }, 1, state);
+ /* Add an extra NUL byte, so that "a" followed by "b" doesn't result in the same hash as "ab"
+ * followed by "". */
+ siphash24_compress_byte(0, state);
}
break;
}