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authorNick Mathewson <nickm@torproject.org>2012-11-25 13:45:36 -0500
committerNick Mathewson <nickm@torproject.org>2012-12-17 14:48:09 -0500
commitf33487668f16dbd7f95eaf8644865c28e1dd7036 (patch)
treebde45b532fddf7d355561ff67ca7af1e98f0309f /src/or/relay.c
parent32219d83134c861abad5a7d37f93f3ec4b492398 (diff)
downloadtor-f33487668f16dbd7f95eaf8644865c28e1dd7036.tar.gz
tor-f33487668f16dbd7f95eaf8644865c28e1dd7036.zip
Implement option to turn off DNS cache use on a client port
(This is part 2 of making DNS cache use enabled/disabled on a per-client port basis. This implements the CacheIPv[46]DNS options, but not the UseCachedIPv[46] ones.)
Diffstat (limited to 'src/or/relay.c')
-rw-r--r--src/or/relay.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/or/relay.c b/src/or/relay.c
index 7f49299e2b..608b5fa60e 100644
--- a/src/or/relay.c
+++ b/src/or/relay.c
@@ -758,10 +758,17 @@ connection_ap_process_end_not_open(
policies_set_node_exitpolicy_to_reject_all(exitrouter);
}
/* rewrite it to an IP if we learned one. */
- if (addressmap_rewrite(conn->socks_request->address,
- sizeof(conn->socks_request->address),
- NULL, NULL)) {
- control_event_stream_status(conn, STREAM_EVENT_REMAP, 0);
+ {
+ unsigned rewrite_flags = 0;
+ if (conn->use_cached_ipv4_answers)
+ rewrite_flags |= AMR_FLAG_USE_IPV4_DNS;
+ if (conn->use_cached_ipv6_answers)
+ rewrite_flags |= AMR_FLAG_USE_IPV6_DNS;
+ if (addressmap_rewrite(conn->socks_request->address,
+ sizeof(conn->socks_request->address),
+ rewrite_flags, NULL, NULL)) {
+ control_event_stream_status(conn, STREAM_EVENT_REMAP, 0);
+ }
}
if (conn->chosen_exit_optional ||
conn->chosen_exit_retries) {