diff options
| author | Lennart Poettering <lennart@poettering.net> | 2014-07-29 19:50:28 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-07-29 20:57:58 +0200 |
| commit | ea917db9e662ae6e6d0ae07e0118b323688c8616 (patch) | |
| tree | 94ed26994aacebc43fcc4945df9c0af3e909828a /src/resolve/resolved-dns-scope.c | |
| parent | 49ee032fc3b694a1b45be9d08a2b97ab3eb93f75 (diff) | |
resolved: discard more invalid llmnr messages
Diffstat (limited to 'src/resolve/resolved-dns-scope.c')
| -rw-r--r-- | src/resolve/resolved-dns-scope.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c index 5d2edbae47..b226f5a457 100644 --- a/src/resolve/resolved-dns-scope.c +++ b/src/resolve/resolved-dns-scope.c @@ -404,7 +404,16 @@ static int dns_scope_make_reply_packet(DnsScope *s, uint16_t id, int rcode, DnsQ return r; DNS_PACKET_HEADER(p)->id = id; - DNS_PACKET_HEADER(p)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(1, 0, 0, 0, 0, 0, 0, 0, rcode)); + DNS_PACKET_HEADER(p)->flags = htobe16(DNS_PACKET_MAKE_FLAGS( + 1 /* qr */, + 0 /* opcode */, + 0 /* c */, + 0 /* tc */, + 0 /* t */, + 0 /* (ra) */, + 0 /* (ad) */, + 0 /* (cd) */, + rcode)); if (q) { for (i = 0; i < q->n_keys; i++) { @@ -449,6 +458,11 @@ void dns_scope_process_query(DnsScope *s, DnsStream *stream, DnsPacket *p) { return; } + if (DNS_PACKET_C(p)) { + /* FIXME: Somebody notified us about a likely conflict */ + return; + } + r = dns_zone_lookup(&s->zone, p->question, &answer); if (r < 0) { log_debug("Failed to lookup key: %s", strerror(-r)); |