diff options
| -rw-r--r-- | src/feature/nodelist/networkstatus.c | 2 | ||||
| -rw-r--r-- | src/feature/relay/dns.c | 13 | ||||
| -rw-r--r-- | src/feature/relay/dns.h | 3 |
3 files changed, 18 insertions, 0 deletions
diff --git a/src/feature/nodelist/networkstatus.c b/src/feature/nodelist/networkstatus.c index 666083ae50..aaddf2331d 100644 --- a/src/feature/nodelist/networkstatus.c +++ b/src/feature/nodelist/networkstatus.c @@ -82,6 +82,7 @@ #include "feature/nodelist/routerinfo.h" #include "feature/nodelist/routerlist.h" #include "feature/nodelist/torcert.h" +#include "feature/relay/dns.h" #include "feature/relay/routermode.h" #include "lib/crypt_ops/crypto_rand.h" #include "lib/crypt_ops/crypto_util.h" @@ -1706,6 +1707,7 @@ notify_after_networkstatus_changes(void) congestion_control_new_consensus_params(c); flow_control_new_consensus_params(c); hs_service_new_consensus_params(c); + dns_new_consensus_params(c); /* Maintenance of our L2 guard list */ maintain_layer2_guards(); diff --git a/src/feature/relay/dns.c b/src/feature/relay/dns.c index 9e504a7cfa..8467b9c0a4 100644 --- a/src/feature/relay/dns.c +++ b/src/feature/relay/dns.c @@ -213,6 +213,19 @@ evdns_log_cb(int warn, const char *msg) tor_log(severity, LD_EXIT, "eventdns: %s", msg); } +/** New consensus just appeared, take appropriate actions if need be. */ +void +dns_new_consensus_params(const networkstatus_t *ns) +{ + (void) ns; + + /* Consensus has parameters for the Exit relay DNS side and so we only reset + * the DNS nameservers if we are in server mode. */ + if (server_mode(get_options())) { + dns_reset(); + } +} + /** Initialize the DNS subsystem; called by the OR process. */ int dns_init(void) diff --git a/src/feature/relay/dns.h b/src/feature/relay/dns.h index d7a815e697..3f8519bd97 100644 --- a/src/feature/relay/dns.h +++ b/src/feature/relay/dns.h @@ -26,6 +26,7 @@ void dns_reset_correctness_checks(void); size_t dns_cache_total_allocation(void); void dump_dns_mem_usage(int severity); size_t dns_cache_handle_oom(time_t now, size_t min_remove_bytes); +void dns_new_consensus_params(const networkstatus_t *ns); /* These functions are only used within the feature/relay module, and don't * need stubs. */ @@ -47,6 +48,8 @@ void dns_launch_correctness_checks(void); ((void)(severity)) #define dns_cache_handle_oom(now, bytes) \ ((void)(now), (void)(bytes), 0) +#define dns_new_consensus_params(ns) \ + ((void) ns) #define connection_dns_remove(conn) \ STMT_BEGIN \ |