1 diff --git a/daemon/worker.c b/daemon/worker.c 2 index 263fcdd..f787b70 100644 3 --- a/daemon/worker.c 4 +++ b/daemon/worker.c 5 @@ -1213,6 +1213,15 @@ worker_handle_request(struct comm_point* c, void* arg, int error, 6 addr_to_str(&repinfo->addr, repinfo->addrlen, ip, sizeof(ip)); 7 log_query_in(ip, qinfo.qname, qinfo.qtype, qinfo.qclass); 8 } 9 + 10 + if(worker->env.cfg->drop_tld) { 11 + int lab = dname_count_labels(qinfo.qname); 12 + if (lab == 2) { 13 + comm_point_drop_reply(repinfo); 14 + verbose(VERB_ALGO, "Dropping one label query."); 15 + return 0; 16 + } 17 + } 18 if(qinfo.qtype == LDNS_RR_TYPE_AXFR || 19 qinfo.qtype == LDNS_RR_TYPE_IXFR) { 20 verbose(VERB_ALGO, "worker request: refused zone transfer."); 21 diff --git a/util/config_file.h b/util/config_file.h 22 index b3ef930..2791541 100644 23 --- a/util/config_file.h 24 +++ b/util/config_file.h 25 @@ -274,6 +274,8 @@ struct config_file { 26 int prefetch_key; 27 /** deny queries of type ANY with an empty answer */ 28 int deny_any; 29 + /** Drop TLD queries from clients **/ 30 + int drop_tld; 31 32 /** chrootdir, if not "" or chroot will be done */ 33 char* chrootdir; 34 diff --git a/util/configlexer.lex b/util/configlexer.lex 35 index a86ddf5..9bbedbb 100644 36 --- a/util/configlexer.lex 37 +++ b/util/configlexer.lex 38 @@ -299,6 +299,7 @@ private-domain{COLON} { YDVAR(1, VAR_PRIVATE_DOMAIN) } 39 prefetch-key{COLON} { YDVAR(1, VAR_PREFETCH_KEY) } 40 prefetch{COLON} { YDVAR(1, VAR_PREFETCH) } 41 deny-any{COLON} { YDVAR(1, VAR_DENY_ANY) } 42 +drop-tld{COLON} { YDVAR(1, VAR_DROP_TLD) } 43 stub-zone{COLON} { YDVAR(0, VAR_STUB_ZONE) } 44 name{COLON} { YDVAR(1, VAR_NAME) } 45 stub-addr{COLON} { YDVAR(1, VAR_STUB_ADDR) } 46 diff --git a/util/configparser.y b/util/configparser.y 47 index 10227a2..567d68e 100644 48 --- a/util/configparser.y 49 +++ b/util/configparser.y 50 @@ -164,6 +164,7 @@ extern struct config_parser_state* cfg_parser; 51 %token VAR_FAST_SERVER_PERMIL VAR_FAST_SERVER_NUM 52 %token VAR_ALLOW_NOTIFY VAR_TLS_WIN_CERT VAR_TCP_CONNECTION_LIMIT 53 %token VAR_FORWARD_NO_CACHE VAR_STUB_NO_CACHE VAR_LOG_SERVFAIL VAR_DENY_ANY 54 +%token VAR_DROP_TLD 55 %token VAR_UNKNOWN_SERVER_TIME_LIMIT VAR_LOG_TAG_QUERYREPLY 56 %token VAR_STREAM_WAIT_SIZE VAR_TLS_CIPHERS VAR_TLS_CIPHERSUITES 57 %token VAR_TLS_SESSION_TICKET_KEYS 58 @@ -266,6 +267,7 @@ content_server: server_num_threads | server_verbosity | server_port | 59 server_tls_cert_bundle | server_tls_additional_port | server_low_rtt | 60 server_fast_server_permil | server_fast_server_num | server_tls_win_cert | 61 server_tcp_connection_limit | server_log_servfail | server_deny_any | 62 + server_drop_tld | 63 server_unknown_server_time_limit | server_log_tag_queryreply | 64 server_stream_wait_size | server_tls_ciphers | 65 server_tls_ciphersuites | server_tls_session_ticket_keys 66 @@ -1466,6 +1468,16 @@ server_deny_any: VAR_DENY_ANY STRING_ARG 67 free($2); 68 } 69 ; 70 + 71 +server_drop_tld: VAR_DROP_TLD STRING_ARG 72 + { 73 + OUTYY(("P(server_drop_tld:%s)\n", $2)); 74 + if(strcmp($2, "yes") != 0 && strcmp($2, "no") != 0) 75 + yyerror("expected yes or no."); 76 + else cfg_parser->cfg->drop_tld = (strcmp($2, "yes")==0); 77 + free($2); 78 + } 79 + ; 80 server_unwanted_reply_threshold: VAR_UNWANTED_REPLY_THRESHOLD STRING_ARG 81 { 82 OUTYY(("P(server_unwanted_reply_threshold:%s)\n", $2)); 83
Indexes created Sat Jun 20 00:25:23 UTC 2026