1238106Sdes/* 2238106Sdes * util/config_file.c - reads and stores the config file for unbound. 3238106Sdes * 4238106Sdes * Copyright (c) 2007, NLnet Labs. All rights reserved. 5238106Sdes * 6238106Sdes * This software is open source. 7238106Sdes * 8238106Sdes * Redistribution and use in source and binary forms, with or without 9238106Sdes * modification, are permitted provided that the following conditions 10238106Sdes * are met: 11238106Sdes * 12238106Sdes * Redistributions of source code must retain the above copyright notice, 13238106Sdes * this list of conditions and the following disclaimer. 14238106Sdes * 15238106Sdes * Redistributions in binary form must reproduce the above copyright notice, 16238106Sdes * this list of conditions and the following disclaimer in the documentation 17238106Sdes * and/or other materials provided with the distribution. 18238106Sdes * 19238106Sdes * Neither the name of the NLNET LABS nor the names of its contributors may 20238106Sdes * be used to endorse or promote products derived from this software without 21238106Sdes * specific prior written permission. 22238106Sdes * 23238106Sdes * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24266114Sdes * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25266114Sdes * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26266114Sdes * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27266114Sdes * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28266114Sdes * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29266114Sdes * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30266114Sdes * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31266114Sdes * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32266114Sdes * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33266114Sdes * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34238106Sdes */ 35238106Sdes 36238106Sdes/** 37238106Sdes * \file 38238106Sdes * 39238106Sdes * This file contains functions for the config file. 40238106Sdes */ 41238106Sdes 42238106Sdes#include "config.h" 43238106Sdes#include <ctype.h> 44266114Sdes#include <stdarg.h> 45266114Sdes#ifdef HAVE_TIME_H 46266114Sdes#include <time.h> 47266114Sdes#endif 48238106Sdes#include "util/log.h" 49238106Sdes#include "util/configyyrename.h" 50238106Sdes#include "util/config_file.h" 51268883Sdes#include "configparser.h" 52238106Sdes#include "util/net_help.h" 53238106Sdes#include "util/data/msgparse.h" 54238106Sdes#include "util/module.h" 55238106Sdes#include "util/regional.h" 56238106Sdes#include "util/fptr_wlist.h" 57238106Sdes#include "util/data/dname.h" 58282089Sdes#include "util/rtt.h" 59287917Sdes#include "services/cache/infra.h" 60287917Sdes#include "sldns/wire2str.h" 61287917Sdes#include "sldns/parseutil.h" 62356345Scy#include "iterator/iterator.h" 63249141Sdes#ifdef HAVE_GLOB_H 64249141Sdes# include <glob.h> 65249141Sdes#endif 66356345Scy#ifdef CLIENT_SUBNET 67356345Scy#include "edns-subnet/edns-subnet.h" 68356345Scy#endif 69276699Sdes#ifdef HAVE_PWD_H 70276699Sdes#include <pwd.h> 71276699Sdes#endif 72249141Sdes 73356345Scy/** from cfg username, after daemonize setup performed */ 74282089Sdesuid_t cfg_uid = (uid_t)-1; 75356345Scy/** from cfg username, after daemonize setup performed */ 76282089Sdesgid_t cfg_gid = (gid_t)-1; 77289063Sdes/** for debug allow small timeout values for fast rollovers */ 78289063Sdesint autr_permit_small_holddown = 0; 79356345Scy/** size (in bytes) of stream wait buffers max */ 80356345Scysize_t stream_wait_max = 4 * 1024 * 1024; 81368129Scysize_t http2_query_buffer_max = 4 * 1024 * 1024; 82368129Scysize_t http2_response_buffer_max = 4 * 1024 * 1024; 83282089Sdes 84238106Sdes/** global config during parsing */ 85238106Sdesstruct config_parser_state* cfg_parser = 0; 86238106Sdes 87238106Sdes/** init ports possible for use */ 88238106Sdesstatic void init_outgoing_availports(int* array, int num); 89238106Sdes 90238106Sdesstruct config_file* 91238106Sdesconfig_create(void) 92238106Sdes{ 93238106Sdes struct config_file* cfg; 94238106Sdes cfg = (struct config_file*)calloc(1, sizeof(struct config_file)); 95238106Sdes if(!cfg) 96238106Sdes return NULL; 97238106Sdes /* the defaults if no config is present */ 98238106Sdes cfg->verbosity = 1; 99238106Sdes cfg->stat_interval = 0; 100238106Sdes cfg->stat_cumulative = 0; 101238106Sdes cfg->stat_extended = 0; 102238106Sdes cfg->num_threads = 1; 103238106Sdes cfg->port = UNBOUND_DNS_PORT; 104238106Sdes cfg->do_ip4 = 1; 105238106Sdes cfg->do_ip6 = 1; 106238106Sdes cfg->do_udp = 1; 107238106Sdes cfg->do_tcp = 1; 108238106Sdes cfg->tcp_upstream = 0; 109356345Scy cfg->udp_upstream_without_downstream = 0; 110296415Sdes cfg->tcp_mss = 0; 111296415Sdes cfg->outgoing_tcp_mss = 0; 112356345Scy cfg->tcp_idle_timeout = 30 * 1000; /* 30s in millisecs */ 113356345Scy cfg->do_tcp_keepalive = 0; 114356345Scy cfg->tcp_keepalive_timeout = 120 * 1000; /* 120s in millisecs */ 115238106Sdes cfg->ssl_service_key = NULL; 116238106Sdes cfg->ssl_service_pem = NULL; 117356345Scy cfg->ssl_port = UNBOUND_DNS_OVER_TLS_PORT; 118238106Sdes cfg->ssl_upstream = 0; 119356345Scy cfg->tls_cert_bundle = NULL; 120356345Scy cfg->tls_win_cert = 0; 121366095Scy cfg->tls_use_sni = 1; 122368129Scy cfg->https_port = UNBOUND_DNS_OVER_HTTPS_PORT; 123368129Scy if(!(cfg->http_endpoint = strdup("/dns-query"))) goto error_exit; 124368129Scy cfg->http_max_streams = 100; 125368129Scy cfg->http_query_buffer_size = 4*1024*1024; 126368129Scy cfg->http_response_buffer_size = 4*1024*1024; 127368129Scy cfg->http_nodelay = 1; 128238106Sdes cfg->use_syslog = 1; 129356345Scy cfg->log_identity = NULL; /* changed later with argv[0] */ 130238106Sdes cfg->log_time_ascii = 0; 131238106Sdes cfg->log_queries = 0; 132356345Scy cfg->log_replies = 0; 133356345Scy cfg->log_tag_queryreply = 0; 134356345Scy cfg->log_local_actions = 0; 135356345Scy cfg->log_servfail = 0; 136238106Sdes#ifndef USE_WINSOCK 137238106Sdes# ifdef USE_MINI_EVENT 138238106Sdes /* select max 1024 sockets */ 139238106Sdes cfg->outgoing_num_ports = 960; 140238106Sdes cfg->num_queries_per_thread = 512; 141238106Sdes# else 142238106Sdes /* libevent can use many sockets */ 143238106Sdes cfg->outgoing_num_ports = 4096; 144238106Sdes cfg->num_queries_per_thread = 1024; 145238106Sdes# endif 146238106Sdes cfg->outgoing_num_tcp = 10; 147238106Sdes cfg->incoming_num_tcp = 10; 148238106Sdes#else 149238106Sdes cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ 150238106Sdes cfg->num_queries_per_thread = 24; 151238106Sdes cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ 152238106Sdes cfg->incoming_num_tcp = 2; 153238106Sdes#endif 154356345Scy cfg->stream_wait_size = 4 * 1024 * 1024; 155368129Scy cfg->edns_buffer_size = 1232; /* from DNS flagday recommendation */ 156238106Sdes cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ 157238106Sdes cfg->msg_cache_size = 4 * 1024 * 1024; 158238106Sdes cfg->msg_cache_slabs = 4; 159238106Sdes cfg->jostle_time = 200; 160238106Sdes cfg->rrset_cache_size = 4 * 1024 * 1024; 161238106Sdes cfg->rrset_cache_slabs = 4; 162238106Sdes cfg->host_ttl = 900; 163238106Sdes cfg->bogus_ttl = 60; 164238106Sdes cfg->min_ttl = 0; 165238106Sdes cfg->max_ttl = 3600 * 24; 166287917Sdes cfg->max_negative_ttl = 3600; 167238106Sdes cfg->prefetch = 0; 168238106Sdes cfg->prefetch_key = 0; 169356345Scy cfg->deny_any = 0; 170238106Sdes cfg->infra_cache_slabs = 4; 171238106Sdes cfg->infra_cache_numhosts = 10000; 172282089Sdes cfg->infra_cache_min_rtt = 50; 173368693Scy cfg->infra_keep_probing = 0; 174266114Sdes cfg->delay_close = 0; 175368693Scy cfg->udp_connect = 1; 176238106Sdes if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) 177238106Sdes goto error_exit; 178238106Sdes init_outgoing_availports(cfg->outgoing_avail_ports, 65536); 179238106Sdes if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; 180238106Sdes#ifdef HAVE_CHROOT 181238106Sdes if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; 182238106Sdes#endif 183238106Sdes if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; 184238106Sdes if(!(cfg->logfile = strdup(""))) goto error_exit; 185238106Sdes if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; 186238106Sdes if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; 187356345Scy cfg->fast_server_permil = 0; 188356345Scy cfg->fast_server_num = 3; 189238106Sdes cfg->donotqueryaddrs = NULL; 190238106Sdes cfg->donotquery_localhost = 1; 191238106Sdes cfg->root_hints = NULL; 192356345Scy cfg->use_systemd = 0; 193238106Sdes cfg->do_daemonize = 1; 194238106Sdes cfg->if_automatic = 0; 195238106Sdes cfg->so_rcvbuf = 0; 196238106Sdes cfg->so_sndbuf = 0; 197356345Scy cfg->so_reuseport = REUSEPORT_DEFAULT; 198287917Sdes cfg->ip_transparent = 0; 199307729Sdes cfg->ip_freebind = 0; 200366095Scy cfg->ip_dscp = 0; 201238106Sdes cfg->num_ifs = 0; 202238106Sdes cfg->ifs = NULL; 203238106Sdes cfg->num_out_ifs = 0; 204238106Sdes cfg->out_ifs = NULL; 205238106Sdes cfg->stubs = NULL; 206238106Sdes cfg->forwards = NULL; 207356345Scy cfg->auths = NULL; 208356345Scy#ifdef CLIENT_SUBNET 209356345Scy cfg->client_subnet = NULL; 210356345Scy cfg->client_subnet_zone = NULL; 211356345Scy cfg->client_subnet_opcode = LDNS_EDNS_CLIENT_SUBNET; 212356345Scy cfg->client_subnet_always_forward = 0; 213356345Scy cfg->max_client_subnet_ipv4 = 24; 214356345Scy cfg->max_client_subnet_ipv6 = 56; 215356345Scy cfg->min_client_subnet_ipv4 = 0; 216356345Scy cfg->min_client_subnet_ipv6 = 0; 217356345Scy cfg->max_ecs_tree_size_ipv4 = 100; 218356345Scy cfg->max_ecs_tree_size_ipv6 = 100; 219356345Scy#endif 220356345Scy cfg->views = NULL; 221238106Sdes cfg->acls = NULL; 222356345Scy cfg->tcp_connection_limits = NULL; 223369939Sgit2svn cfg->harden_short_bufsize = 1; 224238106Sdes cfg->harden_large_queries = 0; 225238106Sdes cfg->harden_glue = 1; 226238106Sdes cfg->harden_dnssec_stripped = 1; 227356345Scy cfg->harden_below_nxdomain = 1; 228238106Sdes cfg->harden_referral_path = 0; 229289063Sdes cfg->harden_algo_downgrade = 0; 230238106Sdes cfg->use_caps_bits_for_id = 0; 231287917Sdes cfg->caps_whitelist = NULL; 232238106Sdes cfg->private_address = NULL; 233238106Sdes cfg->private_domain = NULL; 234238106Sdes cfg->unwanted_threshold = 0; 235238106Sdes cfg->hide_identity = 0; 236238106Sdes cfg->hide_version = 0; 237356345Scy cfg->hide_trustanchor = 0; 238238106Sdes cfg->identity = NULL; 239238106Sdes cfg->version = NULL; 240369939Sgit2svn cfg->nsid_cfg_str = NULL; 241369939Sgit2svn cfg->nsid = NULL; 242369939Sgit2svn cfg->nsid_len = 0; 243238106Sdes cfg->auto_trust_anchor_file_list = NULL; 244238106Sdes cfg->trust_anchor_file_list = NULL; 245238106Sdes cfg->trust_anchor_list = NULL; 246238106Sdes cfg->trusted_keys_file_list = NULL; 247356345Scy cfg->trust_anchor_signaling = 1; 248356345Scy cfg->root_key_sentinel = 1; 249238106Sdes cfg->domain_insecure = NULL; 250238106Sdes cfg->val_date_override = 0; 251238106Sdes cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ 252238106Sdes cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ 253238106Sdes cfg->val_clean_additional = 1; 254238106Sdes cfg->val_log_level = 0; 255238106Sdes cfg->val_log_squelch = 0; 256238106Sdes cfg->val_permissive_mode = 0; 257356345Scy cfg->aggressive_nsec = 0; 258238106Sdes cfg->ignore_cd = 0; 259356345Scy cfg->serve_expired = 0; 260356345Scy cfg->serve_expired_ttl = 0; 261356345Scy cfg->serve_expired_ttl_reset = 0; 262361435Scy cfg->serve_expired_reply_ttl = 30; 263361435Scy cfg->serve_expired_client_timeout = 0; 264369939Sgit2svn cfg->serve_original_ttl = 0; 265238106Sdes cfg->add_holddown = 30*24*3600; 266238106Sdes cfg->del_holddown = 30*24*3600; 267238106Sdes cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ 268289063Sdes cfg->permit_small_holddown = 0; 269238106Sdes cfg->key_cache_size = 4 * 1024 * 1024; 270238106Sdes cfg->key_cache_slabs = 4; 271238106Sdes cfg->neg_cache_size = 1 * 1024 * 1024; 272238106Sdes cfg->local_zones = NULL; 273238106Sdes cfg->local_zones_nodefault = NULL; 274356345Scy#ifdef USE_IPSET 275356345Scy cfg->local_zones_ipset = NULL; 276356345Scy#endif 277356345Scy cfg->local_zones_disable_default = 0; 278238106Sdes cfg->local_data = NULL; 279307729Sdes cfg->local_zone_overrides = NULL; 280268839Sdes cfg->unblock_lan_zones = 0; 281295535Sdes cfg->insecure_lan_zones = 0; 282238106Sdes cfg->python_script = NULL; 283366095Scy cfg->dynlib_file = NULL; 284238106Sdes cfg->remote_control_enable = 0; 285356345Scy cfg->control_ifs.first = NULL; 286356345Scy cfg->control_ifs.last = NULL; 287238106Sdes cfg->control_port = UNBOUND_CONTROL_PORT; 288356345Scy cfg->control_use_cert = 1; 289356345Scy cfg->minimal_responses = 1; 290366095Scy cfg->rrset_roundrobin = 1; 291356345Scy cfg->unknown_server_time_limit = 376; 292266114Sdes cfg->max_udp_size = 4096; 293238106Sdes if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) 294238106Sdes goto error_exit; 295238106Sdes if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) 296238106Sdes goto error_exit; 297238106Sdes if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) 298238106Sdes goto error_exit; 299238106Sdes if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) 300238106Sdes goto error_exit; 301238106Sdes 302356345Scy#ifdef CLIENT_SUBNET 303356345Scy if(!(cfg->module_conf = strdup("subnetcache validator iterator"))) goto error_exit; 304356345Scy#else 305238106Sdes if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; 306356345Scy#endif 307238106Sdes if(!(cfg->val_nsec3_key_iterations = 308238106Sdes strdup("1024 150 2048 500 4096 2500"))) goto error_exit; 309276605Sdes#if defined(DNSTAP_SOCKET_PATH) 310276605Sdes if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) 311276605Sdes goto error_exit; 312276605Sdes#endif 313366095Scy cfg->dnstap_bidirectional = 1; 314366095Scy cfg->dnstap_tls = 1; 315307729Sdes cfg->disable_dnssec_lame_check = 0; 316356345Scy cfg->ip_ratelimit = 0; 317287917Sdes cfg->ratelimit = 0; 318356345Scy cfg->ip_ratelimit_slabs = 4; 319287917Sdes cfg->ratelimit_slabs = 4; 320356345Scy cfg->ip_ratelimit_size = 4*1024*1024; 321287917Sdes cfg->ratelimit_size = 4*1024*1024; 322287917Sdes cfg->ratelimit_for_domain = NULL; 323287917Sdes cfg->ratelimit_below_domain = NULL; 324356345Scy cfg->ip_ratelimit_factor = 10; 325287917Sdes cfg->ratelimit_factor = 10; 326356345Scy cfg->qname_minimisation = 1; 327356345Scy cfg->qname_minimisation_strict = 0; 328356345Scy cfg->shm_enable = 0; 329356345Scy cfg->shm_key = 11777; 330368693Scy cfg->edns_client_strings = NULL; 331368693Scy cfg->edns_client_string_opcode = 65001; 332356345Scy cfg->dnscrypt = 0; 333356345Scy cfg->dnscrypt_port = 0; 334356345Scy cfg->dnscrypt_provider = NULL; 335356345Scy cfg->dnscrypt_provider_cert = NULL; 336356345Scy cfg->dnscrypt_provider_cert_rotated = NULL; 337356345Scy cfg->dnscrypt_secret_key = NULL; 338356345Scy cfg->dnscrypt_shared_secret_cache_size = 4*1024*1024; 339356345Scy cfg->dnscrypt_shared_secret_cache_slabs = 4; 340356345Scy cfg->dnscrypt_nonce_cache_size = 4*1024*1024; 341356345Scy cfg->dnscrypt_nonce_cache_slabs = 4; 342369939Sgit2svn cfg->pad_responses = 1; 343369939Sgit2svn cfg->pad_responses_block_size = 468; /* from RFC8467 */ 344369939Sgit2svn cfg->pad_queries = 1; 345369939Sgit2svn cfg->pad_queries_block_size = 128; /* from RFC8467 */ 346356345Scy#ifdef USE_IPSECMOD 347356345Scy cfg->ipsecmod_enabled = 1; 348356345Scy cfg->ipsecmod_ignore_bogus = 0; 349356345Scy cfg->ipsecmod_hook = NULL; 350356345Scy cfg->ipsecmod_max_ttl = 3600; 351356345Scy cfg->ipsecmod_whitelist = NULL; 352356345Scy cfg->ipsecmod_strict = 0; 353356345Scy#endif 354356345Scy#ifdef USE_CACHEDB 355361435Scy if(!(cfg->cachedb_backend = strdup("testframe"))) goto error_exit; 356361435Scy if(!(cfg->cachedb_secret = strdup("default"))) goto error_exit; 357361435Scy#ifdef USE_REDIS 358361435Scy if(!(cfg->redis_server_host = strdup("127.0.0.1"))) goto error_exit; 359361435Scy cfg->redis_timeout = 100; 360361435Scy cfg->redis_server_port = 6379; 361366095Scy cfg->redis_expire_records = 0; 362361435Scy#endif /* USE_REDIS */ 363361435Scy#endif /* USE_CACHEDB */ 364356345Scy#ifdef USE_IPSET 365356345Scy cfg->ipset_name_v4 = NULL; 366356345Scy cfg->ipset_name_v6 = NULL; 367356345Scy#endif 368238106Sdes return cfg; 369238106Sdeserror_exit: 370356345Scy config_delete(cfg); 371238106Sdes return NULL; 372238106Sdes} 373238106Sdes 374238106Sdesstruct config_file* config_create_forlib(void) 375238106Sdes{ 376238106Sdes struct config_file* cfg = config_create(); 377238106Sdes if(!cfg) return NULL; 378238106Sdes /* modifications for library use, less verbose, less memory */ 379238106Sdes free(cfg->chrootdir); 380238106Sdes cfg->chrootdir = NULL; 381238106Sdes cfg->verbosity = 0; 382238106Sdes cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' 383238106Sdes and probably within the ulimit(maxfds) of the user */ 384238106Sdes cfg->outgoing_num_tcp = 2; 385238106Sdes cfg->msg_cache_size = 1024*1024; 386238106Sdes cfg->msg_cache_slabs = 1; 387238106Sdes cfg->rrset_cache_size = 1024*1024; 388238106Sdes cfg->rrset_cache_slabs = 1; 389238106Sdes cfg->infra_cache_slabs = 1; 390238106Sdes cfg->use_syslog = 0; 391238106Sdes cfg->key_cache_size = 1024*1024; 392238106Sdes cfg->key_cache_slabs = 1; 393238106Sdes cfg->neg_cache_size = 100 * 1024; 394238106Sdes cfg->donotquery_localhost = 0; /* allow, so that you can ask a 395238106Sdes forward nameserver running on localhost */ 396238106Sdes cfg->val_log_level = 2; /* to fill why_bogus with */ 397238106Sdes cfg->val_log_squelch = 1; 398356345Scy cfg->minimal_responses = 0; 399369939Sgit2svn cfg->harden_short_bufsize = 1; 400238106Sdes return cfg; 401238106Sdes} 402238106Sdes 403238106Sdes/** check that the value passed is >= 0 */ 404238106Sdes#define IS_NUMBER_OR_ZERO \ 405238106Sdes if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 406238106Sdes/** check that the value passed is > 0 */ 407238106Sdes#define IS_NONZERO_NUMBER \ 408238106Sdes if(atoi(val) == 0) return 0 409238106Sdes/** check that the value passed is not 0 and a power of 2 */ 410238106Sdes#define IS_POW2_NUMBER \ 411238106Sdes if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 412238106Sdes/** check that the value passed is yes or no */ 413238106Sdes#define IS_YES_OR_NO \ 414238106Sdes if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 415238106Sdes/** put integer_or_zero into variable */ 416238106Sdes#define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 417238106Sdes { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } 418238106Sdes/** put integer_nonzero into variable */ 419238106Sdes#define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 420238106Sdes { IS_NONZERO_NUMBER; cfg->var = atoi(val); } 421238106Sdes/** put integer_or_zero into unsigned */ 422238106Sdes#define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 423238106Sdes { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } 424238106Sdes/** put integer_or_zero into size_t */ 425238106Sdes#define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 426238106Sdes { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } 427238106Sdes/** put integer_nonzero into size_t */ 428238106Sdes#define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 429238106Sdes { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } 430238106Sdes/** put yesno into variable */ 431238106Sdes#define S_YNO(str, var) if(strcmp(opt, str) == 0) \ 432238106Sdes { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } 433238106Sdes/** put memsize into variable */ 434238106Sdes#define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ 435238106Sdes { return cfg_parse_memsize(val, &cfg->var); } 436238106Sdes/** put pow2 number into variable */ 437238106Sdes#define S_POW2(str, var) if(strcmp(opt, str)==0) \ 438238106Sdes { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } 439238106Sdes/** put string into variable */ 440238106Sdes#define S_STR(str, var) if(strcmp(opt, str)==0) \ 441238106Sdes { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } 442238106Sdes/** put string into strlist */ 443238106Sdes#define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ 444238106Sdes { return cfg_strlist_insert(&cfg->var, strdup(val)); } 445356345Scy/** put string into strlist if not present yet*/ 446356345Scy#define S_STRLIST_UNIQ(str, var) if(strcmp(opt, str)==0) \ 447356345Scy { if(cfg_strlist_find(cfg->var, val)) { return 0;} \ 448356345Scy return cfg_strlist_insert(&cfg->var, strdup(val)); } 449356345Scy/** append string to strlist */ 450356345Scy#define S_STRLIST_APPEND(str, var) if(strcmp(opt, str)==0) \ 451356345Scy { return cfg_strlist_append(&cfg->var, strdup(val)); } 452238106Sdes 453238106Sdesint config_set_option(struct config_file* cfg, const char* opt, 454249141Sdes const char* val) 455238106Sdes{ 456356345Scy char buf[64]; 457356345Scy if(!opt) return 0; 458356345Scy if(opt[strlen(opt)-1] != ':' && strlen(opt)+2<sizeof(buf)) { 459356345Scy snprintf(buf, sizeof(buf), "%s:", opt); 460356345Scy opt = buf; 461356345Scy } 462238106Sdes S_NUMBER_OR_ZERO("verbosity:", verbosity) 463238106Sdes else if(strcmp(opt, "statistics-interval:") == 0) { 464238106Sdes if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) 465238106Sdes cfg->stat_interval = 0; 466238106Sdes else if(atoi(val) == 0) 467238106Sdes return 0; 468238106Sdes else cfg->stat_interval = atoi(val); 469238106Sdes } else if(strcmp(opt, "num_threads:") == 0) { 470238106Sdes /* not supported, library must have 1 thread in bgworker */ 471238106Sdes return 0; 472238106Sdes } else if(strcmp(opt, "outgoing-port-permit:") == 0) { 473238106Sdes return cfg_mark_ports(val, 1, 474238106Sdes cfg->outgoing_avail_ports, 65536); 475238106Sdes } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { 476238106Sdes return cfg_mark_ports(val, 0, 477238106Sdes cfg->outgoing_avail_ports, 65536); 478238106Sdes } else if(strcmp(opt, "local-zone:") == 0) { 479238106Sdes return cfg_parse_local_zone(cfg, val); 480238106Sdes } else if(strcmp(opt, "val-override-date:") == 0) { 481238106Sdes if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { 482238106Sdes cfg->val_date_override = 0; 483238106Sdes } else if(strlen(val) == 14) { 484238106Sdes cfg->val_date_override = cfg_convert_timeval(val); 485238106Sdes return cfg->val_date_override != 0; 486238106Sdes } else { 487238106Sdes if(atoi(val) == 0) return 0; 488238106Sdes cfg->val_date_override = (uint32_t)atoi(val); 489238106Sdes } 490238106Sdes } else if(strcmp(opt, "local-data-ptr:") == 0) { 491238106Sdes char* ptr = cfg_ptr_reverse((char*)opt); 492238106Sdes return cfg_strlist_insert(&cfg->local_data, ptr); 493238106Sdes } else if(strcmp(opt, "logfile:") == 0) { 494238106Sdes cfg->use_syslog = 0; 495238106Sdes free(cfg->logfile); 496238106Sdes return (cfg->logfile = strdup(val)) != NULL; 497266114Sdes } 498266114Sdes else if(strcmp(opt, "log-time-ascii:") == 0) 499266114Sdes { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); 500266114Sdes log_set_time_asc(cfg->log_time_ascii); } 501266114Sdes else S_SIZET_NONZERO("max-udp-size:", max_udp_size) 502238106Sdes else S_YNO("use-syslog:", use_syslog) 503356345Scy else S_STR("log-identity:", log_identity) 504238106Sdes else S_YNO("extended-statistics:", stat_extended) 505238106Sdes else S_YNO("statistics-cumulative:", stat_cumulative) 506356345Scy else S_YNO("shm-enable:", shm_enable) 507356345Scy else S_NUMBER_OR_ZERO("shm-key:", shm_key) 508238106Sdes else S_YNO("do-ip4:", do_ip4) 509238106Sdes else S_YNO("do-ip6:", do_ip6) 510238106Sdes else S_YNO("do-udp:", do_udp) 511238106Sdes else S_YNO("do-tcp:", do_tcp) 512368129Scy else S_YNO("prefer-ip4:", prefer_ip4) 513368129Scy else S_YNO("prefer-ip6:", prefer_ip6) 514238106Sdes else S_YNO("tcp-upstream:", tcp_upstream) 515356345Scy else S_YNO("udp-upstream-without-downstream:", 516356345Scy udp_upstream_without_downstream) 517296415Sdes else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) 518296415Sdes else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) 519356345Scy else S_NUMBER_NONZERO("tcp-idle-timeout:", tcp_idle_timeout) 520356345Scy else S_YNO("edns-tcp-keepalive:", do_tcp_keepalive) 521356345Scy else S_NUMBER_NONZERO("edns-tcp-keepalive-timeout:", tcp_keepalive_timeout) 522238106Sdes else S_YNO("ssl-upstream:", ssl_upstream) 523238106Sdes else S_STR("ssl-service-key:", ssl_service_key) 524238106Sdes else S_STR("ssl-service-pem:", ssl_service_pem) 525238106Sdes else S_NUMBER_NONZERO("ssl-port:", ssl_port) 526356345Scy else S_STR("tls-cert-bundle:", tls_cert_bundle) 527356345Scy else S_YNO("tls-win-cert:", tls_win_cert) 528356345Scy else S_STRLIST("additional-tls-port:", tls_additional_port) 529356345Scy else S_STRLIST("tls-additional-ports:", tls_additional_port) 530356345Scy else S_STRLIST("tls-additional-port:", tls_additional_port) 531356345Scy else S_STRLIST_APPEND("tls-session-ticket-keys:", tls_session_ticket_keys) 532356345Scy else S_STR("tls-ciphers:", tls_ciphers) 533356345Scy else S_STR("tls-ciphersuites:", tls_ciphersuites) 534366095Scy else S_YNO("tls-use-sni:", tls_use_sni) 535368129Scy else S_NUMBER_NONZERO("https-port:", https_port) 536368693Scy else S_STR("http-endpoint:", http_endpoint) 537368693Scy else S_NUMBER_NONZERO("http-max-streams:", http_max_streams) 538368693Scy else S_MEMSIZE("http-query-buffer-size:", http_query_buffer_size) 539368693Scy else S_MEMSIZE("http-response-buffer-size:", http_response_buffer_size) 540368693Scy else S_YNO("http-nodelay:", http_nodelay) 541368693Scy else S_YNO("http-notls-downstream:", http_notls_downstream) 542238106Sdes else S_YNO("interface-automatic:", if_automatic) 543356345Scy else S_YNO("use-systemd:", use_systemd) 544238106Sdes else S_YNO("do-daemonize:", do_daemonize) 545238106Sdes else S_NUMBER_NONZERO("port:", port) 546238106Sdes else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) 547238106Sdes else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) 548238106Sdes else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) 549356345Scy else S_MEMSIZE("stream-wait-size:", stream_wait_size) 550238106Sdes else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) 551238106Sdes else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) 552238106Sdes else S_MEMSIZE("msg-cache-size:", msg_cache_size) 553238106Sdes else S_POW2("msg-cache-slabs:", msg_cache_slabs) 554238106Sdes else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) 555238106Sdes else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) 556238106Sdes else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) 557238106Sdes else S_MEMSIZE("so-sndbuf:", so_sndbuf) 558266114Sdes else S_YNO("so-reuseport:", so_reuseport) 559287917Sdes else S_YNO("ip-transparent:", ip_transparent) 560307729Sdes else S_YNO("ip-freebind:", ip_freebind) 561366095Scy else S_NUMBER_OR_ZERO("ip-dscp:", ip_dscp) 562238106Sdes else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) 563238106Sdes else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) 564238106Sdes else S_YNO("prefetch:", prefetch) 565238106Sdes else S_YNO("prefetch-key:", prefetch_key) 566356345Scy else S_YNO("deny-any:", deny_any) 567266114Sdes else if(strcmp(opt, "cache-max-ttl:") == 0) 568266114Sdes { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} 569287917Sdes else if(strcmp(opt, "cache-max-negative-ttl:") == 0) 570287917Sdes { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} 571266114Sdes else if(strcmp(opt, "cache-min-ttl:") == 0) 572266114Sdes { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} 573282089Sdes else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { 574282089Sdes IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); 575282089Sdes RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; 576282089Sdes } 577368693Scy else S_YNO("infra-keep-probing:", infra_keep_probing) 578238106Sdes else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) 579238106Sdes else S_POW2("infra-cache-slabs:", infra_cache_slabs) 580238106Sdes else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) 581266114Sdes else S_NUMBER_OR_ZERO("delay-close:", delay_close) 582368693Scy else S_YNO("udp-connect:", udp_connect) 583238106Sdes else S_STR("chroot:", chrootdir) 584238106Sdes else S_STR("username:", username) 585238106Sdes else S_STR("directory:", directory) 586238106Sdes else S_STR("pidfile:", pidfile) 587238106Sdes else S_YNO("hide-identity:", hide_identity) 588238106Sdes else S_YNO("hide-version:", hide_version) 589356345Scy else S_YNO("hide-trustanchor:", hide_trustanchor) 590238106Sdes else S_STR("identity:", identity) 591238106Sdes else S_STR("version:", version) 592369939Sgit2svn else if(strcmp(opt, "nsid:") == 0) { 593369939Sgit2svn free(cfg->nsid_cfg_str); 594369939Sgit2svn if (!(cfg->nsid_cfg_str = strdup(val))) 595369939Sgit2svn return 0; 596369939Sgit2svn /* Empty string is just validly unsetting nsid */ 597369939Sgit2svn if (*val == 0) { 598369939Sgit2svn free(cfg->nsid); 599369939Sgit2svn cfg->nsid = NULL; 600369939Sgit2svn cfg->nsid_len = 0; 601369939Sgit2svn return 1; 602369939Sgit2svn } 603369939Sgit2svn cfg->nsid = cfg_parse_nsid(val, &cfg->nsid_len); 604369939Sgit2svn return cfg->nsid != NULL; 605369939Sgit2svn } 606238106Sdes else S_STRLIST("root-hints:", root_hints) 607238106Sdes else S_STR("target-fetch-policy:", target_fetch_policy) 608238106Sdes else S_YNO("harden-glue:", harden_glue) 609238106Sdes else S_YNO("harden-short-bufsize:", harden_short_bufsize) 610238106Sdes else S_YNO("harden-large-queries:", harden_large_queries) 611238106Sdes else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) 612238106Sdes else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) 613238106Sdes else S_YNO("harden-referral-path:", harden_referral_path) 614287917Sdes else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) 615356345Scy else S_YNO("use-caps-for-id:", use_caps_bits_for_id) 616287917Sdes else S_STRLIST("caps-whitelist:", caps_whitelist) 617238106Sdes else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) 618238106Sdes else S_STRLIST("private-address:", private_address) 619238106Sdes else S_STRLIST("private-domain:", private_domain) 620238106Sdes else S_YNO("do-not-query-localhost:", donotquery_localhost) 621238106Sdes else S_STRLIST("do-not-query-address:", donotqueryaddrs) 622238106Sdes else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) 623238106Sdes else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) 624238106Sdes else S_STRLIST("trust-anchor:", trust_anchor_list) 625238106Sdes else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) 626356345Scy else S_YNO("trust-anchor-signaling:", trust_anchor_signaling) 627356345Scy else S_YNO("root-key-sentinel:", root_key_sentinel) 628238106Sdes else S_STRLIST("domain-insecure:", domain_insecure) 629238106Sdes else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) 630238106Sdes else S_YNO("val-clean-additional:", val_clean_additional) 631238106Sdes else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) 632238106Sdes else S_YNO("val-log-squelch:", val_log_squelch) 633238106Sdes else S_YNO("log-queries:", log_queries) 634356345Scy else S_YNO("log-replies:", log_replies) 635356345Scy else S_YNO("log-tag-queryreply:", log_tag_queryreply) 636356345Scy else S_YNO("log-local-actions:", log_local_actions) 637356345Scy else S_YNO("log-servfail:", log_servfail) 638238106Sdes else S_YNO("val-permissive-mode:", val_permissive_mode) 639356345Scy else S_YNO("aggressive-nsec:", aggressive_nsec) 640238106Sdes else S_YNO("ignore-cd-flag:", ignore_cd) 641361435Scy else if(strcmp(opt, "serve-expired:") == 0) 642361435Scy { IS_YES_OR_NO; cfg->serve_expired = (strcmp(val, "yes") == 0); 643361435Scy SERVE_EXPIRED = cfg->serve_expired; } 644361435Scy else if(strcmp(opt, "serve-expired-ttl:") == 0) 645356345Scy { IS_NUMBER_OR_ZERO; cfg->serve_expired_ttl = atoi(val); SERVE_EXPIRED_TTL=(time_t)cfg->serve_expired_ttl;} 646356345Scy else S_YNO("serve-expired-ttl-reset:", serve_expired_ttl_reset) 647361435Scy else if(strcmp(opt, "serve-expired-reply-ttl:") == 0) 648361435Scy { IS_NUMBER_OR_ZERO; cfg->serve_expired_reply_ttl = atoi(val); SERVE_EXPIRED_REPLY_TTL=(time_t)cfg->serve_expired_reply_ttl;} 649361435Scy else S_NUMBER_OR_ZERO("serve-expired-client-timeout:", serve_expired_client_timeout) 650369939Sgit2svn else S_YNO("serve-original-ttl:", serve_original_ttl) 651238106Sdes else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) 652238106Sdes else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) 653238106Sdes else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) 654238106Sdes else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) 655289063Sdes else if(strcmp(opt, "permit-small-holddown:") == 0) 656289063Sdes { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); 657289063Sdes autr_permit_small_holddown = cfg->permit_small_holddown; } 658238106Sdes else S_MEMSIZE("key-cache-size:", key_cache_size) 659238106Sdes else S_POW2("key-cache-slabs:", key_cache_slabs) 660238106Sdes else S_MEMSIZE("neg-cache-size:", neg_cache_size) 661238106Sdes else S_YNO("minimal-responses:", minimal_responses) 662238106Sdes else S_YNO("rrset-roundrobin:", rrset_roundrobin) 663356345Scy else S_NUMBER_OR_ZERO("unknown-server-time-limit:", unknown_server_time_limit) 664238106Sdes else S_STRLIST("local-data:", local_data) 665268839Sdes else S_YNO("unblock-lan-zones:", unblock_lan_zones) 666295535Sdes else S_YNO("insecure-lan-zones:", insecure_lan_zones) 667238106Sdes else S_YNO("control-enable:", remote_control_enable) 668356345Scy else S_STRLIST_APPEND("control-interface:", control_ifs) 669238106Sdes else S_NUMBER_NONZERO("control-port:", control_port) 670238106Sdes else S_STR("server-key-file:", server_key_file) 671238106Sdes else S_STR("server-cert-file:", server_cert_file) 672238106Sdes else S_STR("control-key-file:", control_key_file) 673238106Sdes else S_STR("control-cert-file:", control_cert_file) 674238106Sdes else S_STR("module-config:", module_conf) 675356345Scy else S_STRLIST("python-script:", python_script) 676366095Scy else S_STRLIST("dynlib-file:", dynlib_file) 677307729Sdes else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) 678356345Scy#ifdef CLIENT_SUBNET 679356345Scy /* Can't set max subnet prefix here, since that value is used when 680356345Scy * generating the address tree. */ 681356345Scy /* No client-subnet-always-forward here, module registration depends on 682356345Scy * this option. */ 683356345Scy#endif 684356345Scy#ifdef USE_DNSTAP 685356345Scy else S_YNO("dnstap-enable:", dnstap) 686366095Scy else S_YNO("dnstap-bidirectional:", dnstap_bidirectional) 687356345Scy else S_STR("dnstap-socket-path:", dnstap_socket_path) 688366095Scy else S_STR("dnstap-ip:", dnstap_ip) 689366095Scy else S_YNO("dnstap-tls:", dnstap_tls) 690366095Scy else S_STR("dnstap-tls-server-name:", dnstap_tls_server_name) 691366095Scy else S_STR("dnstap-tls-cert-bundle:", dnstap_tls_cert_bundle) 692366095Scy else S_STR("dnstap-tls-client-key-file:", dnstap_tls_client_key_file) 693366095Scy else S_STR("dnstap-tls-client-cert-file:", 694366095Scy dnstap_tls_client_cert_file) 695356345Scy else S_YNO("dnstap-send-identity:", dnstap_send_identity) 696356345Scy else S_YNO("dnstap-send-version:", dnstap_send_version) 697356345Scy else S_STR("dnstap-identity:", dnstap_identity) 698356345Scy else S_STR("dnstap-version:", dnstap_version) 699356345Scy else S_YNO("dnstap-log-resolver-query-messages:", 700356345Scy dnstap_log_resolver_query_messages) 701356345Scy else S_YNO("dnstap-log-resolver-response-messages:", 702356345Scy dnstap_log_resolver_response_messages) 703356345Scy else S_YNO("dnstap-log-client-query-messages:", 704356345Scy dnstap_log_client_query_messages) 705356345Scy else S_YNO("dnstap-log-client-response-messages:", 706356345Scy dnstap_log_client_response_messages) 707356345Scy else S_YNO("dnstap-log-forwarder-query-messages:", 708356345Scy dnstap_log_forwarder_query_messages) 709356345Scy else S_YNO("dnstap-log-forwarder-response-messages:", 710356345Scy dnstap_log_forwarder_response_messages) 711356345Scy#endif 712356345Scy#ifdef USE_DNSCRYPT 713356345Scy else S_YNO("dnscrypt-enable:", dnscrypt) 714356345Scy else S_NUMBER_NONZERO("dnscrypt-port:", dnscrypt_port) 715356345Scy else S_STR("dnscrypt-provider:", dnscrypt_provider) 716356345Scy else S_STRLIST_UNIQ("dnscrypt-provider-cert:", dnscrypt_provider_cert) 717356345Scy else S_STRLIST("dnscrypt-provider-cert-rotated:", dnscrypt_provider_cert_rotated) 718356345Scy else S_STRLIST_UNIQ("dnscrypt-secret-key:", dnscrypt_secret_key) 719356345Scy else S_MEMSIZE("dnscrypt-shared-secret-cache-size:", 720356345Scy dnscrypt_shared_secret_cache_size) 721356345Scy else S_POW2("dnscrypt-shared-secret-cache-slabs:", 722356345Scy dnscrypt_shared_secret_cache_slabs) 723356345Scy else S_MEMSIZE("dnscrypt-nonce-cache-size:", 724356345Scy dnscrypt_nonce_cache_size) 725356345Scy else S_POW2("dnscrypt-nonce-cache-slabs:", 726356345Scy dnscrypt_nonce_cache_slabs) 727356345Scy#endif 728356345Scy else if(strcmp(opt, "ip-ratelimit:") == 0) { 729356345Scy IS_NUMBER_OR_ZERO; cfg->ip_ratelimit = atoi(val); 730356345Scy infra_ip_ratelimit=cfg->ip_ratelimit; 731356345Scy } 732287917Sdes else if(strcmp(opt, "ratelimit:") == 0) { 733287917Sdes IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); 734287917Sdes infra_dp_ratelimit=cfg->ratelimit; 735287917Sdes } 736356345Scy else S_MEMSIZE("ip-ratelimit-size:", ip_ratelimit_size) 737287917Sdes else S_MEMSIZE("ratelimit-size:", ratelimit_size) 738356345Scy else S_POW2("ip-ratelimit-slabs:", ip_ratelimit_slabs) 739287917Sdes else S_POW2("ratelimit-slabs:", ratelimit_slabs) 740356345Scy else S_NUMBER_OR_ZERO("ip-ratelimit-factor:", ip_ratelimit_factor) 741287917Sdes else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) 742356345Scy else S_SIZET_NONZERO("fast-server-num:", fast_server_num) 743356345Scy else S_NUMBER_OR_ZERO("fast-server-permil:", fast_server_permil) 744292206Sdes else S_YNO("qname-minimisation:", qname_minimisation) 745356345Scy else S_YNO("qname-minimisation-strict:", qname_minimisation_strict) 746369939Sgit2svn else S_YNO("pad-responses:", pad_responses) 747369939Sgit2svn else S_SIZET_NONZERO("pad-responses-block-size:", pad_responses_block_size) 748369939Sgit2svn else S_YNO("pad-queries:", pad_queries) 749369939Sgit2svn else S_SIZET_NONZERO("pad-queries-block-size:", pad_queries_block_size) 750356345Scy#ifdef USE_IPSECMOD 751356345Scy else S_YNO("ipsecmod-enabled:", ipsecmod_enabled) 752356345Scy else S_YNO("ipsecmod-ignore-bogus:", ipsecmod_ignore_bogus) 753356345Scy else if(strcmp(opt, "ipsecmod-max-ttl:") == 0) 754356345Scy { IS_NUMBER_OR_ZERO; cfg->ipsecmod_max_ttl = atoi(val); } 755356345Scy else S_YNO("ipsecmod-strict:", ipsecmod_strict) 756356345Scy#endif 757307729Sdes else if(strcmp(opt, "define-tag:") ==0) { 758307729Sdes return config_add_tag(cfg, val); 759266114Sdes /* val_sig_skew_min and max are copied into val_env during init, 760266114Sdes * so this does not update val_env with set_option */ 761307729Sdes } else if(strcmp(opt, "val-sig-skew-min:") == 0) 762266114Sdes { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } 763266114Sdes else if(strcmp(opt, "val-sig-skew-max:") == 0) 764266114Sdes { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } 765238106Sdes else if (strcmp(opt, "outgoing-interface:") == 0) { 766238106Sdes char* d = strdup(val); 767287917Sdes char** oi = 768287917Sdes (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); 769238106Sdes if(!d || !oi) { free(d); free(oi); return -1; } 770238106Sdes if(cfg->out_ifs && cfg->num_out_ifs) { 771238106Sdes memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); 772238106Sdes free(cfg->out_ifs); 773238106Sdes } 774238106Sdes oi[cfg->num_out_ifs++] = d; 775238106Sdes cfg->out_ifs = oi; 776238106Sdes } else { 777238106Sdes /* unknown or unsupported (from the set_option interface): 778356345Scy * interface, outgoing-interface, access-control, 779238106Sdes * stub-zone, name, stub-addr, stub-host, stub-prime 780356345Scy * forward-first, stub-first, forward-ssl-upstream, 781356345Scy * stub-ssl-upstream, forward-zone, auth-zone 782356345Scy * name, forward-addr, forward-host, 783307729Sdes * ratelimit-for-domain, ratelimit-below-domain, 784356345Scy * local-zone-tag, access-control-view, 785356345Scy * send-client-subnet, client-subnet-always-forward, 786356345Scy * max-client-subnet-ipv4, max-client-subnet-ipv6, 787356345Scy * min-client-subnet-ipv4, min-client-subnet-ipv6, 788356345Scy * max-ecs-tree-size-ipv4, max-ecs-tree-size-ipv6, ipsecmod_hook, 789356345Scy * ipsecmod_whitelist. */ 790238106Sdes return 0; 791238106Sdes } 792238106Sdes return 1; 793238106Sdes} 794238106Sdes 795238106Sdesvoid config_print_func(char* line, void* arg) 796238106Sdes{ 797238106Sdes FILE* f = (FILE*)arg; 798238106Sdes (void)fprintf(f, "%s\n", line); 799238106Sdes} 800238106Sdes 801238106Sdes/** collate func arg */ 802238106Sdesstruct config_collate_arg { 803238106Sdes /** list of result items */ 804238106Sdes struct config_strlist_head list; 805238106Sdes /** if a malloc error occurred, 0 is OK */ 806238106Sdes int status; 807238106Sdes}; 808238106Sdes 809238106Sdesvoid config_collate_func(char* line, void* arg) 810238106Sdes{ 811238106Sdes struct config_collate_arg* m = (struct config_collate_arg*)arg; 812238106Sdes if(m->status) 813238106Sdes return; 814238106Sdes if(!cfg_strlist_append(&m->list, strdup(line))) 815238106Sdes m->status = 1; 816238106Sdes} 817238106Sdes 818238106Sdesint config_get_option_list(struct config_file* cfg, const char* opt, 819249141Sdes struct config_strlist** list) 820238106Sdes{ 821238106Sdes struct config_collate_arg m; 822238106Sdes memset(&m, 0, sizeof(m)); 823238106Sdes *list = NULL; 824238106Sdes if(!config_get_option(cfg, opt, config_collate_func, &m)) 825238106Sdes return 1; 826238106Sdes if(m.status) { 827238106Sdes config_delstrlist(m.list.first); 828238106Sdes return 2; 829238106Sdes } 830238106Sdes *list = m.list.first; 831238106Sdes return 0; 832238106Sdes} 833238106Sdes 834238106Sdesint 835238106Sdesconfig_get_option_collate(struct config_file* cfg, const char* opt, char** str) 836238106Sdes{ 837238106Sdes struct config_strlist* list = NULL; 838238106Sdes int r; 839238106Sdes *str = NULL; 840238106Sdes if((r = config_get_option_list(cfg, opt, &list)) != 0) 841238106Sdes return r; 842238106Sdes *str = config_collate_cat(list); 843238106Sdes config_delstrlist(list); 844238106Sdes if(!*str) return 2; 845238106Sdes return 0; 846238106Sdes} 847238106Sdes 848238106Sdeschar* 849238106Sdesconfig_collate_cat(struct config_strlist* list) 850238106Sdes{ 851238106Sdes size_t total = 0, left; 852238106Sdes struct config_strlist* s; 853238106Sdes char *r, *w; 854238106Sdes if(!list) /* no elements */ 855238106Sdes return strdup(""); 856238106Sdes if(list->next == NULL) /* one element , no newline at end. */ 857238106Sdes return strdup(list->str); 858238106Sdes /* count total length */ 859238106Sdes for(s=list; s; s=s->next) 860238106Sdes total += strlen(s->str) + 1; /* len + newline */ 861238106Sdes left = total+1; /* one extra for nul at end */ 862238106Sdes r = malloc(left); 863238106Sdes if(!r) 864238106Sdes return NULL; 865238106Sdes w = r; 866238106Sdes for(s=list; s; s=s->next) { 867238106Sdes size_t this = strlen(s->str); 868238106Sdes if(this+2 > left) { /* sanity check */ 869238106Sdes free(r); 870238106Sdes return NULL; 871238106Sdes } 872238106Sdes snprintf(w, left, "%s\n", s->str); 873266114Sdes this = strlen(w); 874266114Sdes w += this; 875266114Sdes left -= this; 876238106Sdes } 877238106Sdes return r; 878238106Sdes} 879238106Sdes 880238106Sdes/** compare and print decimal option */ 881238106Sdes#define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ 882238106Sdes {snprintf(buf, len, "%d", (int)cfg->var); \ 883238106Sdes func(buf, arg);} 884238106Sdes/** compare and print unsigned option */ 885238106Sdes#define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ 886238106Sdes {snprintf(buf, len, "%u", (unsigned)cfg->var); \ 887238106Sdes func(buf, arg);} 888238106Sdes/** compare and print yesno option */ 889238106Sdes#define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ 890238106Sdes {func(cfg->var?"yes":"no", arg);} 891238106Sdes/** compare and print string option */ 892238106Sdes#define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ 893238106Sdes {func(cfg->var?cfg->var:"", arg);} 894238106Sdes/** compare and print array option */ 895238106Sdes#define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ 896238106Sdes {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} 897238106Sdes/** compare and print memorysize option */ 898238106Sdes#define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ 899238106Sdes if(cfg->var > 1024*1024*1024) { \ 900238106Sdes size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ 901287917Sdes snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ 902287917Sdes } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ 903238106Sdes func(buf, arg);} 904238106Sdes/** compare and print list option */ 905238106Sdes#define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ 906238106Sdes struct config_strlist* p = cfg->lst; \ 907238106Sdes for(p = cfg->lst; p; p = p->next) \ 908238106Sdes func(p->str, arg); \ 909238106Sdes } 910238106Sdes/** compare and print list option */ 911238106Sdes#define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ 912238106Sdes struct config_str2list* p = cfg->lst; \ 913307729Sdes for(p = cfg->lst; p; p = p->next) { \ 914307729Sdes snprintf(buf, len, "%s %s", p->str, p->str2); \ 915238106Sdes func(buf, arg); \ 916307729Sdes } \ 917238106Sdes } 918307729Sdes/** compare and print list option */ 919307729Sdes#define O_LS3(opt, name, lst) if(strcmp(opt, name)==0) { \ 920307729Sdes struct config_str3list* p = cfg->lst; \ 921307729Sdes for(p = cfg->lst; p; p = p->next) { \ 922307729Sdes snprintf(buf, len, "%s %s %s", p->str, p->str2, p->str3); \ 923307729Sdes func(buf, arg); \ 924307729Sdes } \ 925307729Sdes } 926307729Sdes/** compare and print taglist option */ 927307729Sdes#define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ 928307729Sdes char* tmpstr = NULL; \ 929307729Sdes struct config_strbytelist *p = cfg->lst; \ 930307729Sdes for(p = cfg->lst; p; p = p->next) {\ 931307729Sdes tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ 932307729Sdes if(tmpstr) {\ 933307729Sdes snprintf(buf, len, "%s %s", p->str, tmpstr); \ 934307729Sdes func(buf, arg); \ 935307729Sdes free(tmpstr); \ 936307729Sdes } \ 937307729Sdes } \ 938307729Sdes } 939238106Sdes 940238106Sdesint 941238106Sdesconfig_get_option(struct config_file* cfg, const char* opt, 942238106Sdes void (*func)(char*,void*), void* arg) 943238106Sdes{ 944356345Scy char buf[1024], nopt[64]; 945238106Sdes size_t len = sizeof(buf); 946356345Scy if(!opt) return 0; 947356345Scy if(opt && opt[strlen(opt)-1] == ':' && strlen(opt)<sizeof(nopt)) { 948356345Scy memmove(nopt, opt, strlen(opt)); 949356345Scy nopt[strlen(opt)-1] = 0; 950356345Scy opt = nopt; 951356345Scy } 952238106Sdes fptr_ok(fptr_whitelist_print_func(func)); 953238106Sdes O_DEC(opt, "verbosity", verbosity) 954238106Sdes else O_DEC(opt, "statistics-interval", stat_interval) 955238106Sdes else O_YNO(opt, "statistics-cumulative", stat_cumulative) 956238106Sdes else O_YNO(opt, "extended-statistics", stat_extended) 957356345Scy else O_YNO(opt, "shm-enable", shm_enable) 958356345Scy else O_DEC(opt, "shm-key", shm_key) 959238106Sdes else O_YNO(opt, "use-syslog", use_syslog) 960356345Scy else O_STR(opt, "log-identity", log_identity) 961266114Sdes else O_YNO(opt, "log-time-ascii", log_time_ascii) 962238106Sdes else O_DEC(opt, "num-threads", num_threads) 963238106Sdes else O_IFC(opt, "interface", num_ifs, ifs) 964238106Sdes else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) 965238106Sdes else O_YNO(opt, "interface-automatic", if_automatic) 966238106Sdes else O_DEC(opt, "port", port) 967238106Sdes else O_DEC(opt, "outgoing-range", outgoing_num_ports) 968238106Sdes else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) 969238106Sdes else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) 970356345Scy else O_MEM(opt, "stream-wait-size", stream_wait_size) 971238106Sdes else O_DEC(opt, "edns-buffer-size", edns_buffer_size) 972238106Sdes else O_DEC(opt, "msg-buffer-size", msg_buffer_size) 973238106Sdes else O_MEM(opt, "msg-cache-size", msg_cache_size) 974238106Sdes else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) 975238106Sdes else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) 976238106Sdes else O_UNS(opt, "jostle-timeout", jostle_time) 977238106Sdes else O_MEM(opt, "so-rcvbuf", so_rcvbuf) 978238106Sdes else O_MEM(opt, "so-sndbuf", so_sndbuf) 979266114Sdes else O_YNO(opt, "so-reuseport", so_reuseport) 980287917Sdes else O_YNO(opt, "ip-transparent", ip_transparent) 981307729Sdes else O_YNO(opt, "ip-freebind", ip_freebind) 982366095Scy else O_DEC(opt, "ip-dscp", ip_dscp) 983238106Sdes else O_MEM(opt, "rrset-cache-size", rrset_cache_size) 984238106Sdes else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) 985238106Sdes else O_YNO(opt, "prefetch-key", prefetch_key) 986238106Sdes else O_YNO(opt, "prefetch", prefetch) 987356345Scy else O_YNO(opt, "deny-any", deny_any) 988238106Sdes else O_DEC(opt, "cache-max-ttl", max_ttl) 989287917Sdes else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) 990266114Sdes else O_DEC(opt, "cache-min-ttl", min_ttl) 991238106Sdes else O_DEC(opt, "infra-host-ttl", host_ttl) 992238106Sdes else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) 993282089Sdes else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) 994368693Scy else O_YNO(opt, "infra-keep-probing", infra_keep_probing) 995238106Sdes else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) 996266114Sdes else O_UNS(opt, "delay-close", delay_close) 997368693Scy else O_YNO(opt, "udp-connect", udp_connect) 998238106Sdes else O_YNO(opt, "do-ip4", do_ip4) 999238106Sdes else O_YNO(opt, "do-ip6", do_ip6) 1000238106Sdes else O_YNO(opt, "do-udp", do_udp) 1001238106Sdes else O_YNO(opt, "do-tcp", do_tcp) 1002368129Scy else O_YNO(opt, "prefer-ip4", prefer_ip4) 1003368129Scy else O_YNO(opt, "prefer-ip6", prefer_ip6) 1004238106Sdes else O_YNO(opt, "tcp-upstream", tcp_upstream) 1005356345Scy else O_YNO(opt, "udp-upstream-without-downstream", udp_upstream_without_downstream) 1006296415Sdes else O_DEC(opt, "tcp-mss", tcp_mss) 1007296415Sdes else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) 1008356345Scy else O_DEC(opt, "tcp-idle-timeout", tcp_idle_timeout) 1009356345Scy else O_YNO(opt, "edns-tcp-keepalive", do_tcp_keepalive) 1010356345Scy else O_DEC(opt, "edns-tcp-keepalive-timeout", tcp_keepalive_timeout) 1011238106Sdes else O_YNO(opt, "ssl-upstream", ssl_upstream) 1012238106Sdes else O_STR(opt, "ssl-service-key", ssl_service_key) 1013238106Sdes else O_STR(opt, "ssl-service-pem", ssl_service_pem) 1014238106Sdes else O_DEC(opt, "ssl-port", ssl_port) 1015356345Scy else O_STR(opt, "tls-cert-bundle", tls_cert_bundle) 1016356345Scy else O_YNO(opt, "tls-win-cert", tls_win_cert) 1017356345Scy else O_LST(opt, "tls-additional-port", tls_additional_port) 1018356345Scy else O_LST(opt, "tls-session-ticket-keys", tls_session_ticket_keys.first) 1019356345Scy else O_STR(opt, "tls-ciphers", tls_ciphers) 1020356345Scy else O_STR(opt, "tls-ciphersuites", tls_ciphersuites) 1021366095Scy else O_YNO(opt, "tls-use-sni", tls_use_sni) 1022368129Scy else O_DEC(opt, "https-port", https_port) 1023368129Scy else O_STR(opt, "http-endpoint", http_endpoint) 1024368129Scy else O_UNS(opt, "http-max-streams", http_max_streams) 1025368129Scy else O_MEM(opt, "http-query-buffer-size", http_query_buffer_size) 1026368129Scy else O_MEM(opt, "http-response-buffer-size", http_response_buffer_size) 1027368129Scy else O_YNO(opt, "http-nodelay", http_nodelay) 1028368693Scy else O_YNO(opt, "http-notls-downstream", http_notls_downstream) 1029356345Scy else O_YNO(opt, "use-systemd", use_systemd) 1030238106Sdes else O_YNO(opt, "do-daemonize", do_daemonize) 1031238106Sdes else O_STR(opt, "chroot", chrootdir) 1032238106Sdes else O_STR(opt, "username", username) 1033238106Sdes else O_STR(opt, "directory", directory) 1034238106Sdes else O_STR(opt, "logfile", logfile) 1035238106Sdes else O_YNO(opt, "log-queries", log_queries) 1036356345Scy else O_YNO(opt, "log-replies", log_replies) 1037356345Scy else O_YNO(opt, "log-tag-queryreply", log_tag_queryreply) 1038356345Scy else O_YNO(opt, "log-local-actions", log_local_actions) 1039356345Scy else O_YNO(opt, "log-servfail", log_servfail) 1040238106Sdes else O_STR(opt, "pidfile", pidfile) 1041238106Sdes else O_YNO(opt, "hide-identity", hide_identity) 1042238106Sdes else O_YNO(opt, "hide-version", hide_version) 1043356345Scy else O_YNO(opt, "hide-trustanchor", hide_trustanchor) 1044238106Sdes else O_STR(opt, "identity", identity) 1045238106Sdes else O_STR(opt, "version", version) 1046369939Sgit2svn else O_STR(opt, "nsid", nsid_cfg_str) 1047238106Sdes else O_STR(opt, "target-fetch-policy", target_fetch_policy) 1048238106Sdes else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) 1049238106Sdes else O_YNO(opt, "harden-large-queries", harden_large_queries) 1050238106Sdes else O_YNO(opt, "harden-glue", harden_glue) 1051238106Sdes else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) 1052238106Sdes else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) 1053238106Sdes else O_YNO(opt, "harden-referral-path", harden_referral_path) 1054287917Sdes else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) 1055238106Sdes else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) 1056287917Sdes else O_LST(opt, "caps-whitelist", caps_whitelist) 1057238106Sdes else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) 1058238106Sdes else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) 1059238106Sdes else O_STR(opt, "module-config", module_conf) 1060238106Sdes else O_DEC(opt, "val-bogus-ttl", bogus_ttl) 1061238106Sdes else O_YNO(opt, "val-clean-additional", val_clean_additional) 1062238106Sdes else O_DEC(opt, "val-log-level", val_log_level) 1063238106Sdes else O_YNO(opt, "val-permissive-mode", val_permissive_mode) 1064356345Scy else O_YNO(opt, "aggressive-nsec", aggressive_nsec) 1065238106Sdes else O_YNO(opt, "ignore-cd-flag", ignore_cd) 1066356345Scy else O_YNO(opt, "serve-expired", serve_expired) 1067356345Scy else O_DEC(opt, "serve-expired-ttl", serve_expired_ttl) 1068356345Scy else O_YNO(opt, "serve-expired-ttl-reset", serve_expired_ttl_reset) 1069361435Scy else O_DEC(opt, "serve-expired-reply-ttl", serve_expired_reply_ttl) 1070361435Scy else O_DEC(opt, "serve-expired-client-timeout", serve_expired_client_timeout) 1071369939Sgit2svn else O_YNO(opt, "serve-original-ttl", serve_original_ttl) 1072238106Sdes else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) 1073238106Sdes else O_UNS(opt, "add-holddown", add_holddown) 1074238106Sdes else O_UNS(opt, "del-holddown", del_holddown) 1075238106Sdes else O_UNS(opt, "keep-missing", keep_missing) 1076289063Sdes else O_YNO(opt, "permit-small-holddown", permit_small_holddown) 1077238106Sdes else O_MEM(opt, "key-cache-size", key_cache_size) 1078238106Sdes else O_DEC(opt, "key-cache-slabs", key_cache_slabs) 1079238106Sdes else O_MEM(opt, "neg-cache-size", neg_cache_size) 1080238106Sdes else O_YNO(opt, "control-enable", remote_control_enable) 1081238106Sdes else O_DEC(opt, "control-port", control_port) 1082238106Sdes else O_STR(opt, "server-key-file", server_key_file) 1083238106Sdes else O_STR(opt, "server-cert-file", server_cert_file) 1084238106Sdes else O_STR(opt, "control-key-file", control_key_file) 1085238106Sdes else O_STR(opt, "control-cert-file", control_cert_file) 1086238106Sdes else O_LST(opt, "root-hints", root_hints) 1087238106Sdes else O_LS2(opt, "access-control", acls) 1088356345Scy else O_LS2(opt, "tcp-connection-limit", tcp_connection_limits) 1089238106Sdes else O_LST(opt, "do-not-query-address", donotqueryaddrs) 1090238106Sdes else O_LST(opt, "private-address", private_address) 1091238106Sdes else O_LST(opt, "private-domain", private_domain) 1092238106Sdes else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) 1093238106Sdes else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) 1094238106Sdes else O_LST(opt, "trust-anchor", trust_anchor_list) 1095238106Sdes else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) 1096356345Scy else O_YNO(opt, "trust-anchor-signaling", trust_anchor_signaling) 1097356345Scy else O_YNO(opt, "root-key-sentinel", root_key_sentinel) 1098356345Scy else O_LST(opt, "control-interface", control_ifs.first) 1099238106Sdes else O_LST(opt, "domain-insecure", domain_insecure) 1100238106Sdes else O_UNS(opt, "val-override-date", val_date_override) 1101238106Sdes else O_YNO(opt, "minimal-responses", minimal_responses) 1102238106Sdes else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) 1103356345Scy else O_DEC(opt, "unknown-server-time-limit", unknown_server_time_limit) 1104356345Scy#ifdef CLIENT_SUBNET 1105356345Scy else O_LST(opt, "send-client-subnet", client_subnet) 1106356345Scy else O_LST(opt, "client-subnet-zone", client_subnet_zone) 1107356345Scy else O_DEC(opt, "max-client-subnet-ipv4", max_client_subnet_ipv4) 1108356345Scy else O_DEC(opt, "max-client-subnet-ipv6", max_client_subnet_ipv6) 1109356345Scy else O_DEC(opt, "min-client-subnet-ipv4", min_client_subnet_ipv4) 1110356345Scy else O_DEC(opt, "min-client-subnet-ipv6", min_client_subnet_ipv6) 1111356345Scy else O_DEC(opt, "max-ecs-tree-size-ipv4", max_ecs_tree_size_ipv4) 1112356345Scy else O_DEC(opt, "max-ecs-tree-size-ipv6", max_ecs_tree_size_ipv6) 1113356345Scy else O_YNO(opt, "client-subnet-always-forward:", 1114356345Scy client_subnet_always_forward) 1115356345Scy#endif 1116356345Scy#ifdef USE_DNSTAP 1117356345Scy else O_YNO(opt, "dnstap-enable", dnstap) 1118366095Scy else O_YNO(opt, "dnstap-bidirectional", dnstap_bidirectional) 1119356345Scy else O_STR(opt, "dnstap-socket-path", dnstap_socket_path) 1120366095Scy else O_STR(opt, "dnstap-ip", dnstap_ip) 1121366095Scy else O_YNO(opt, "dnstap-tls", dnstap_tls) 1122366095Scy else O_STR(opt, "dnstap-tls-server-name", dnstap_tls_server_name) 1123366095Scy else O_STR(opt, "dnstap-tls-cert-bundle", dnstap_tls_cert_bundle) 1124366095Scy else O_STR(opt, "dnstap-tls-client-key-file", 1125366095Scy dnstap_tls_client_key_file) 1126366095Scy else O_STR(opt, "dnstap-tls-client-cert-file", 1127366095Scy dnstap_tls_client_cert_file) 1128356345Scy else O_YNO(opt, "dnstap-send-identity", dnstap_send_identity) 1129356345Scy else O_YNO(opt, "dnstap-send-version", dnstap_send_version) 1130356345Scy else O_STR(opt, "dnstap-identity", dnstap_identity) 1131356345Scy else O_STR(opt, "dnstap-version", dnstap_version) 1132356345Scy else O_YNO(opt, "dnstap-log-resolver-query-messages", 1133356345Scy dnstap_log_resolver_query_messages) 1134356345Scy else O_YNO(opt, "dnstap-log-resolver-response-messages", 1135356345Scy dnstap_log_resolver_response_messages) 1136356345Scy else O_YNO(opt, "dnstap-log-client-query-messages", 1137356345Scy dnstap_log_client_query_messages) 1138356345Scy else O_YNO(opt, "dnstap-log-client-response-messages", 1139356345Scy dnstap_log_client_response_messages) 1140356345Scy else O_YNO(opt, "dnstap-log-forwarder-query-messages", 1141356345Scy dnstap_log_forwarder_query_messages) 1142356345Scy else O_YNO(opt, "dnstap-log-forwarder-response-messages", 1143356345Scy dnstap_log_forwarder_response_messages) 1144356345Scy#endif 1145356345Scy#ifdef USE_DNSCRYPT 1146356345Scy else O_YNO(opt, "dnscrypt-enable", dnscrypt) 1147356345Scy else O_DEC(opt, "dnscrypt-port", dnscrypt_port) 1148356345Scy else O_STR(opt, "dnscrypt-provider", dnscrypt_provider) 1149356345Scy else O_LST(opt, "dnscrypt-provider-cert", dnscrypt_provider_cert) 1150356345Scy else O_LST(opt, "dnscrypt-provider-cert-rotated", dnscrypt_provider_cert_rotated) 1151356345Scy else O_LST(opt, "dnscrypt-secret-key", dnscrypt_secret_key) 1152356345Scy else O_MEM(opt, "dnscrypt-shared-secret-cache-size", 1153356345Scy dnscrypt_shared_secret_cache_size) 1154356345Scy else O_DEC(opt, "dnscrypt-shared-secret-cache-slabs", 1155356345Scy dnscrypt_shared_secret_cache_slabs) 1156356345Scy else O_MEM(opt, "dnscrypt-nonce-cache-size", 1157356345Scy dnscrypt_nonce_cache_size) 1158356345Scy else O_DEC(opt, "dnscrypt-nonce-cache-slabs", 1159356345Scy dnscrypt_nonce_cache_slabs) 1160356345Scy#endif 1161268839Sdes else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) 1162295535Sdes else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) 1163266114Sdes else O_DEC(opt, "max-udp-size", max_udp_size) 1164356345Scy else O_LST(opt, "python-script", python_script) 1165366095Scy else O_LST(opt, "dynlib-file", dynlib_file) 1166307729Sdes else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) 1167356345Scy else O_DEC(opt, "ip-ratelimit", ip_ratelimit) 1168287917Sdes else O_DEC(opt, "ratelimit", ratelimit) 1169356345Scy else O_MEM(opt, "ip-ratelimit-size", ip_ratelimit_size) 1170287917Sdes else O_MEM(opt, "ratelimit-size", ratelimit_size) 1171356345Scy else O_DEC(opt, "ip-ratelimit-slabs", ip_ratelimit_slabs) 1172287917Sdes else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) 1173287917Sdes else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) 1174287917Sdes else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) 1175356345Scy else O_DEC(opt, "ip-ratelimit-factor", ip_ratelimit_factor) 1176287917Sdes else O_DEC(opt, "ratelimit-factor", ratelimit_factor) 1177356345Scy else O_DEC(opt, "fast-server-num", fast_server_num) 1178356345Scy else O_DEC(opt, "fast-server-permil", fast_server_permil) 1179266114Sdes else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) 1180266114Sdes else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) 1181292206Sdes else O_YNO(opt, "qname-minimisation", qname_minimisation) 1182356345Scy else O_YNO(opt, "qname-minimisation-strict", qname_minimisation_strict) 1183307729Sdes else O_IFC(opt, "define-tag", num_tags, tagname) 1184307729Sdes else O_LTG(opt, "local-zone-tag", local_zone_tags) 1185307729Sdes else O_LTG(opt, "access-control-tag", acl_tags) 1186356345Scy else O_LTG(opt, "response-ip-tag", respip_tags) 1187307729Sdes else O_LS3(opt, "local-zone-override", local_zone_overrides) 1188307729Sdes else O_LS3(opt, "access-control-tag-action", acl_tag_actions) 1189307729Sdes else O_LS3(opt, "access-control-tag-data", acl_tag_datas) 1190356345Scy else O_LS2(opt, "access-control-view", acl_view) 1191369939Sgit2svn else O_YNO(opt, "pad-responses", pad_responses) 1192369939Sgit2svn else O_DEC(opt, "pad-responses-block-size", pad_responses_block_size) 1193369939Sgit2svn else O_YNO(opt, "pad-queries", pad_queries) 1194369939Sgit2svn else O_DEC(opt, "pad-queries-block-size", pad_queries_block_size) 1195368693Scy else O_LS2(opt, "edns-client-strings", edns_client_strings) 1196356345Scy#ifdef USE_IPSECMOD 1197356345Scy else O_YNO(opt, "ipsecmod-enabled", ipsecmod_enabled) 1198356345Scy else O_YNO(opt, "ipsecmod-ignore-bogus", ipsecmod_ignore_bogus) 1199356345Scy else O_STR(opt, "ipsecmod-hook", ipsecmod_hook) 1200356345Scy else O_DEC(opt, "ipsecmod-max-ttl", ipsecmod_max_ttl) 1201356345Scy else O_LST(opt, "ipsecmod-whitelist", ipsecmod_whitelist) 1202356345Scy else O_YNO(opt, "ipsecmod-strict", ipsecmod_strict) 1203356345Scy#endif 1204356345Scy#ifdef USE_CACHEDB 1205356345Scy else O_STR(opt, "backend", cachedb_backend) 1206356345Scy else O_STR(opt, "secret-seed", cachedb_secret) 1207361435Scy#ifdef USE_REDIS 1208361435Scy else O_STR(opt, "redis-server-host", redis_server_host) 1209361435Scy else O_DEC(opt, "redis-server-port", redis_server_port) 1210361435Scy else O_DEC(opt, "redis-timeout", redis_timeout) 1211366095Scy else O_YNO(opt, "redis-expire-records", redis_expire_records) 1212361435Scy#endif /* USE_REDIS */ 1213361435Scy#endif /* USE_CACHEDB */ 1214356345Scy#ifdef USE_IPSET 1215356345Scy else O_STR(opt, "name-v4", ipset_name_v4) 1216356345Scy else O_STR(opt, "name-v6", ipset_name_v6) 1217356345Scy#endif 1218238106Sdes /* not here: 1219238106Sdes * outgoing-permit, outgoing-avoid - have list of ports 1220238106Sdes * local-zone - zones and nodefault variables 1221238106Sdes * local-data - see below 1222238106Sdes * local-data-ptr - converted to local-data entries 1223238106Sdes * stub-zone, name, stub-addr, stub-host, stub-prime 1224238106Sdes * forward-zone, name, forward-addr, forward-host 1225238106Sdes */ 1226238106Sdes else return 0; 1227238106Sdes return 1; 1228238106Sdes} 1229238106Sdes 1230238106Sdes/** initialize the global cfg_parser object */ 1231238106Sdesstatic void 1232238106Sdescreate_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) 1233238106Sdes{ 1234238106Sdes static struct config_parser_state st; 1235238106Sdes cfg_parser = &st; 1236238106Sdes cfg_parser->filename = filename; 1237238106Sdes cfg_parser->line = 1; 1238238106Sdes cfg_parser->errors = 0; 1239238106Sdes cfg_parser->cfg = cfg; 1240238106Sdes cfg_parser->chroot = chroot; 1241266114Sdes init_cfg_parse(); 1242238106Sdes} 1243238106Sdes 1244238106Sdesint 1245238106Sdesconfig_read(struct config_file* cfg, const char* filename, const char* chroot) 1246238106Sdes{ 1247238106Sdes FILE *in; 1248238106Sdes char *fname = (char*)filename; 1249249141Sdes#ifdef HAVE_GLOB 1250249141Sdes glob_t g; 1251249141Sdes size_t i; 1252249141Sdes int r, flags; 1253249141Sdes#endif 1254238106Sdes if(!fname) 1255238106Sdes return 1; 1256249141Sdes 1257249141Sdes /* check for wildcards */ 1258249141Sdes#ifdef HAVE_GLOB 1259249141Sdes if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && 1260249141Sdes !strchr(fname, '{') && !strchr(fname, '~'))) { 1261249141Sdes verbose(VERB_QUERY, "wildcard found, processing %s", fname); 1262249141Sdes flags = 0 1263249141Sdes#ifdef GLOB_ERR 1264249141Sdes | GLOB_ERR 1265249141Sdes#endif 1266249141Sdes#ifdef GLOB_NOSORT 1267249141Sdes | GLOB_NOSORT 1268249141Sdes#endif 1269249141Sdes#ifdef GLOB_BRACE 1270249141Sdes | GLOB_BRACE 1271249141Sdes#endif 1272249141Sdes#ifdef GLOB_TILDE 1273249141Sdes | GLOB_TILDE 1274249141Sdes#endif 1275249141Sdes ; 1276249141Sdes memset(&g, 0, sizeof(g)); 1277249141Sdes r = glob(fname, flags, NULL, &g); 1278249141Sdes if(r) { 1279249141Sdes /* some error */ 1280249141Sdes globfree(&g); 1281249141Sdes if(r == GLOB_NOMATCH) { 1282249141Sdes verbose(VERB_QUERY, "include: " 1283249141Sdes "no matches for %s", fname); 1284249141Sdes return 1; 1285249141Sdes } else if(r == GLOB_NOSPACE) { 1286249141Sdes log_err("include: %s: " 1287249141Sdes "fnametern out of memory", fname); 1288249141Sdes } else if(r == GLOB_ABORTED) { 1289249141Sdes log_err("wildcard include: %s: expansion " 1290249141Sdes "aborted (%s)", fname, strerror(errno)); 1291249141Sdes } else { 1292249141Sdes log_err("wildcard include: %s: expansion " 1293249141Sdes "failed (%s)", fname, strerror(errno)); 1294249141Sdes } 1295249141Sdes /* ignore globs that yield no files */ 1296249141Sdes return 1; 1297249141Sdes } 1298249141Sdes /* process files found, if any */ 1299249141Sdes for(i=0; i<(size_t)g.gl_pathc; i++) { 1300249141Sdes if(!config_read(cfg, g.gl_pathv[i], chroot)) { 1301249141Sdes log_err("error reading wildcard " 1302249141Sdes "include: %s", g.gl_pathv[i]); 1303249141Sdes globfree(&g); 1304249141Sdes return 0; 1305249141Sdes } 1306249141Sdes } 1307249141Sdes globfree(&g); 1308249141Sdes return 1; 1309249141Sdes } 1310249141Sdes#endif /* HAVE_GLOB */ 1311249141Sdes 1312238106Sdes in = fopen(fname, "r"); 1313238106Sdes if(!in) { 1314238106Sdes log_err("Could not open %s: %s", fname, strerror(errno)); 1315238106Sdes return 0; 1316238106Sdes } 1317238106Sdes create_cfg_parser(cfg, fname, chroot); 1318238106Sdes ub_c_in = in; 1319238106Sdes ub_c_parse(); 1320238106Sdes fclose(in); 1321238106Sdes 1322356345Scy if(!cfg->dnscrypt) cfg->dnscrypt_port = 0; 1323356345Scy 1324238106Sdes if(cfg_parser->errors != 0) { 1325238106Sdes fprintf(stderr, "read %s failed: %d errors in configuration file\n", 1326276605Sdes fname, cfg_parser->errors); 1327238106Sdes errno=EINVAL; 1328238106Sdes return 0; 1329238106Sdes } 1330276699Sdes 1331238106Sdes return 1; 1332238106Sdes} 1333238106Sdes 1334296415Sdesstruct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) 1335296415Sdes{ 1336296415Sdes struct config_stub* p = *(*pp); 1337296415Sdes while(p) { 1338296415Sdes if(strcmp(p->name, nm) == 0) 1339296415Sdes return p; 1340296415Sdes (*pp) = &p->next; 1341296415Sdes p = p->next; 1342296415Sdes } 1343296415Sdes return NULL; 1344296415Sdes} 1345296415Sdes 1346238106Sdesvoid 1347238106Sdesconfig_delstrlist(struct config_strlist* p) 1348238106Sdes{ 1349238106Sdes struct config_strlist *np; 1350238106Sdes while(p) { 1351238106Sdes np = p->next; 1352238106Sdes free(p->str); 1353238106Sdes free(p); 1354238106Sdes p = np; 1355238106Sdes } 1356238106Sdes} 1357238106Sdes 1358238106Sdesvoid 1359238106Sdesconfig_deldblstrlist(struct config_str2list* p) 1360238106Sdes{ 1361238106Sdes struct config_str2list *np; 1362238106Sdes while(p) { 1363238106Sdes np = p->next; 1364238106Sdes free(p->str); 1365238106Sdes free(p->str2); 1366238106Sdes free(p); 1367238106Sdes p = np; 1368238106Sdes } 1369238106Sdes} 1370238106Sdes 1371238106Sdesvoid 1372307729Sdesconfig_deltrplstrlist(struct config_str3list* p) 1373307729Sdes{ 1374307729Sdes struct config_str3list *np; 1375307729Sdes while(p) { 1376307729Sdes np = p->next; 1377307729Sdes free(p->str); 1378307729Sdes free(p->str2); 1379307729Sdes free(p->str3); 1380307729Sdes free(p); 1381307729Sdes p = np; 1382307729Sdes } 1383307729Sdes} 1384307729Sdes 1385307729Sdesvoid 1386356345Scyconfig_delauth(struct config_auth* p) 1387356345Scy{ 1388356345Scy if(!p) return; 1389356345Scy free(p->name); 1390356345Scy config_delstrlist(p->masters); 1391356345Scy config_delstrlist(p->urls); 1392356345Scy config_delstrlist(p->allow_notify); 1393356345Scy free(p->zonefile); 1394361435Scy free(p->rpz_taglist); 1395361435Scy free(p->rpz_action_override); 1396361435Scy free(p->rpz_cname); 1397361435Scy free(p->rpz_log_name); 1398356345Scy free(p); 1399356345Scy} 1400356345Scy 1401356345Scyvoid 1402356345Scyconfig_delauths(struct config_auth* p) 1403356345Scy{ 1404356345Scy struct config_auth* np; 1405356345Scy while(p) { 1406356345Scy np = p->next; 1407356345Scy config_delauth(p); 1408356345Scy p = np; 1409356345Scy } 1410356345Scy} 1411356345Scy 1412356345Scyvoid 1413296415Sdesconfig_delstub(struct config_stub* p) 1414296415Sdes{ 1415296415Sdes if(!p) return; 1416296415Sdes free(p->name); 1417296415Sdes config_delstrlist(p->hosts); 1418296415Sdes config_delstrlist(p->addrs); 1419296415Sdes free(p); 1420296415Sdes} 1421296415Sdes 1422296415Sdesvoid 1423238106Sdesconfig_delstubs(struct config_stub* p) 1424238106Sdes{ 1425238106Sdes struct config_stub* np; 1426238106Sdes while(p) { 1427238106Sdes np = p->next; 1428296415Sdes config_delstub(p); 1429238106Sdes p = np; 1430238106Sdes } 1431238106Sdes} 1432238106Sdes 1433356345Scyvoid 1434356345Scyconfig_delview(struct config_view* p) 1435356345Scy{ 1436356345Scy if(!p) return; 1437356345Scy free(p->name); 1438356345Scy config_deldblstrlist(p->local_zones); 1439356345Scy config_delstrlist(p->local_zones_nodefault); 1440356345Scy#ifdef USE_IPSET 1441356345Scy config_delstrlist(p->local_zones_ipset); 1442356345Scy#endif 1443356345Scy config_delstrlist(p->local_data); 1444356345Scy free(p); 1445356345Scy} 1446356345Scy 1447356345Scyvoid 1448356345Scyconfig_delviews(struct config_view* p) 1449356345Scy{ 1450356345Scy struct config_view* np; 1451356345Scy while(p) { 1452356345Scy np = p->next; 1453356345Scy config_delview(p); 1454356345Scy p = np; 1455356345Scy } 1456356345Scy} 1457368129Scy 1458368129Scyvoid 1459307729Sdesconfig_del_strarray(char** array, int num) 1460307729Sdes{ 1461307729Sdes int i; 1462307729Sdes if(!array) 1463307729Sdes return; 1464307729Sdes for(i=0; i<num; i++) { 1465307729Sdes free(array[i]); 1466307729Sdes } 1467307729Sdes free(array); 1468307729Sdes} 1469307729Sdes 1470307729Sdesvoid 1471307729Sdesconfig_del_strbytelist(struct config_strbytelist* p) 1472307729Sdes{ 1473307729Sdes struct config_strbytelist* np; 1474307729Sdes while(p) { 1475307729Sdes np = p->next; 1476307729Sdes free(p->str); 1477307729Sdes free(p->str2); 1478307729Sdes free(p); 1479307729Sdes p = np; 1480307729Sdes } 1481307729Sdes} 1482307729Sdes 1483238106Sdesvoid 1484238106Sdesconfig_delete(struct config_file* cfg) 1485238106Sdes{ 1486238106Sdes if(!cfg) return; 1487238106Sdes free(cfg->username); 1488238106Sdes free(cfg->chrootdir); 1489238106Sdes free(cfg->directory); 1490238106Sdes free(cfg->logfile); 1491238106Sdes free(cfg->pidfile); 1492238106Sdes free(cfg->target_fetch_policy); 1493238106Sdes free(cfg->ssl_service_key); 1494238106Sdes free(cfg->ssl_service_pem); 1495356345Scy free(cfg->tls_cert_bundle); 1496356345Scy config_delstrlist(cfg->tls_additional_port); 1497356345Scy config_delstrlist(cfg->tls_session_ticket_keys.first); 1498356345Scy free(cfg->tls_ciphers); 1499356345Scy free(cfg->tls_ciphersuites); 1500368129Scy free(cfg->http_endpoint); 1501361435Scy if(cfg->log_identity) { 1502361435Scy log_ident_revert_to_default(); 1503361435Scy free(cfg->log_identity); 1504361435Scy } 1505307729Sdes config_del_strarray(cfg->ifs, cfg->num_ifs); 1506307729Sdes config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); 1507238106Sdes config_delstubs(cfg->stubs); 1508238106Sdes config_delstubs(cfg->forwards); 1509356345Scy config_delauths(cfg->auths); 1510356345Scy config_delviews(cfg->views); 1511238106Sdes config_delstrlist(cfg->donotqueryaddrs); 1512238106Sdes config_delstrlist(cfg->root_hints); 1513356345Scy#ifdef CLIENT_SUBNET 1514356345Scy config_delstrlist(cfg->client_subnet); 1515356345Scy config_delstrlist(cfg->client_subnet_zone); 1516356345Scy#endif 1517238106Sdes free(cfg->identity); 1518238106Sdes free(cfg->version); 1519369939Sgit2svn free(cfg->nsid_cfg_str); 1520369939Sgit2svn free(cfg->nsid); 1521238106Sdes free(cfg->module_conf); 1522238106Sdes free(cfg->outgoing_avail_ports); 1523287917Sdes config_delstrlist(cfg->caps_whitelist); 1524238106Sdes config_delstrlist(cfg->private_address); 1525238106Sdes config_delstrlist(cfg->private_domain); 1526238106Sdes config_delstrlist(cfg->auto_trust_anchor_file_list); 1527238106Sdes config_delstrlist(cfg->trust_anchor_file_list); 1528238106Sdes config_delstrlist(cfg->trusted_keys_file_list); 1529238106Sdes config_delstrlist(cfg->trust_anchor_list); 1530238106Sdes config_delstrlist(cfg->domain_insecure); 1531238106Sdes config_deldblstrlist(cfg->acls); 1532356345Scy config_deldblstrlist(cfg->tcp_connection_limits); 1533238106Sdes free(cfg->val_nsec3_key_iterations); 1534238106Sdes config_deldblstrlist(cfg->local_zones); 1535238106Sdes config_delstrlist(cfg->local_zones_nodefault); 1536356345Scy#ifdef USE_IPSET 1537356345Scy config_delstrlist(cfg->local_zones_ipset); 1538356345Scy#endif 1539238106Sdes config_delstrlist(cfg->local_data); 1540307729Sdes config_deltrplstrlist(cfg->local_zone_overrides); 1541307729Sdes config_del_strarray(cfg->tagname, cfg->num_tags); 1542307729Sdes config_del_strbytelist(cfg->local_zone_tags); 1543307729Sdes config_del_strbytelist(cfg->acl_tags); 1544356345Scy config_del_strbytelist(cfg->respip_tags); 1545307729Sdes config_deltrplstrlist(cfg->acl_tag_actions); 1546307729Sdes config_deltrplstrlist(cfg->acl_tag_datas); 1547356345Scy config_delstrlist(cfg->control_ifs.first); 1548238106Sdes free(cfg->server_key_file); 1549238106Sdes free(cfg->server_cert_file); 1550238106Sdes free(cfg->control_key_file); 1551238106Sdes free(cfg->control_cert_file); 1552287917Sdes free(cfg->dns64_prefix); 1553356345Scy config_delstrlist(cfg->dns64_ignore_aaaa); 1554276605Sdes free(cfg->dnstap_socket_path); 1555366095Scy free(cfg->dnstap_ip); 1556366095Scy free(cfg->dnstap_tls_server_name); 1557366095Scy free(cfg->dnstap_tls_cert_bundle); 1558366095Scy free(cfg->dnstap_tls_client_key_file); 1559366095Scy free(cfg->dnstap_tls_client_cert_file); 1560276605Sdes free(cfg->dnstap_identity); 1561276605Sdes free(cfg->dnstap_version); 1562287917Sdes config_deldblstrlist(cfg->ratelimit_for_domain); 1563287917Sdes config_deldblstrlist(cfg->ratelimit_below_domain); 1564356345Scy config_delstrlist(cfg->python_script); 1565366095Scy config_delstrlist(cfg->dynlib_file); 1566368693Scy config_deldblstrlist(cfg->edns_client_strings); 1567356345Scy#ifdef USE_IPSECMOD 1568356345Scy free(cfg->ipsecmod_hook); 1569356345Scy config_delstrlist(cfg->ipsecmod_whitelist); 1570356345Scy#endif 1571356345Scy#ifdef USE_CACHEDB 1572356345Scy free(cfg->cachedb_backend); 1573356345Scy free(cfg->cachedb_secret); 1574361435Scy#ifdef USE_REDIS 1575361435Scy free(cfg->redis_server_host); 1576361435Scy#endif /* USE_REDIS */ 1577361435Scy#endif /* USE_CACHEDB */ 1578356345Scy#ifdef USE_IPSET 1579356345Scy free(cfg->ipset_name_v4); 1580356345Scy free(cfg->ipset_name_v6); 1581356345Scy#endif 1582238106Sdes free(cfg); 1583238106Sdes} 1584238106Sdes 1585238106Sdesstatic void 1586238106Sdesinit_outgoing_availports(int* a, int num) 1587238106Sdes{ 1588238106Sdes /* generated with make iana_update */ 1589238106Sdes const int iana_assigned[] = { 1590238106Sdes#include "util/iana_ports.inc" 1591238106Sdes -1 }; /* end marker to put behind trailing comma */ 1592238106Sdes 1593238106Sdes int i; 1594238106Sdes /* do not use <1024, that could be trouble with the system, privs */ 1595238106Sdes for(i=1024; i<num; i++) { 1596238106Sdes a[i] = i; 1597238106Sdes } 1598238106Sdes /* create empty spot at 49152 to keep ephemeral ports available 1599238106Sdes * to other programs */ 1600238106Sdes for(i=49152; i<49152+256; i++) 1601238106Sdes a[i] = 0; 1602238106Sdes /* pick out all the IANA assigned ports */ 1603238106Sdes for(i=0; iana_assigned[i]!=-1; i++) { 1604238106Sdes if(iana_assigned[i] < num) 1605238106Sdes a[iana_assigned[i]] = 0; 1606238106Sdes } 1607238106Sdes} 1608238106Sdes 1609238106Sdesint 1610238106Sdescfg_mark_ports(const char* str, int allow, int* avail, int num) 1611238106Sdes{ 1612238106Sdes char* mid = strchr(str, '-'); 1613366095Scy#ifdef DISABLE_EXPLICIT_PORT_RANDOMISATION 1614366095Scy log_warn("Explicit port randomisation disabled, ignoring " 1615366095Scy "outgoing-port-permit and outgoing-port-avoid configuration " 1616366095Scy "options"); 1617366095Scy#endif 1618238106Sdes if(!mid) { 1619238106Sdes int port = atoi(str); 1620238106Sdes if(port == 0 && strcmp(str, "0") != 0) { 1621238106Sdes log_err("cannot parse port number '%s'", str); 1622238106Sdes return 0; 1623238106Sdes } 1624238106Sdes if(port < num) 1625238106Sdes avail[port] = (allow?port:0); 1626238106Sdes } else { 1627238106Sdes int i, low, high = atoi(mid+1); 1628238106Sdes char buf[16]; 1629238106Sdes if(high == 0 && strcmp(mid+1, "0") != 0) { 1630238106Sdes log_err("cannot parse port number '%s'", mid+1); 1631238106Sdes return 0; 1632238106Sdes } 1633238106Sdes if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { 1634238106Sdes log_err("cannot parse port number '%s'", str); 1635238106Sdes return 0; 1636238106Sdes } 1637238106Sdes if(mid > str) 1638238106Sdes memcpy(buf, str, (size_t)(mid-str)); 1639238106Sdes buf[mid-str] = 0; 1640238106Sdes low = atoi(buf); 1641238106Sdes if(low == 0 && strcmp(buf, "0") != 0) { 1642238106Sdes log_err("cannot parse port number '%s'", buf); 1643238106Sdes return 0; 1644238106Sdes } 1645238106Sdes for(i=low; i<=high; i++) { 1646238106Sdes if(i < num) 1647238106Sdes avail[i] = (allow?i:0); 1648238106Sdes } 1649238106Sdes return 1; 1650238106Sdes } 1651238106Sdes return 1; 1652238106Sdes} 1653238106Sdes 1654238106Sdesint 1655238106Sdescfg_scan_ports(int* avail, int num) 1656238106Sdes{ 1657238106Sdes int i; 1658238106Sdes int count = 0; 1659238106Sdes for(i=0; i<num; i++) { 1660238106Sdes if(avail[i]) 1661238106Sdes count++; 1662238106Sdes } 1663238106Sdes return count; 1664238106Sdes} 1665238106Sdes 1666238106Sdesint cfg_condense_ports(struct config_file* cfg, int** avail) 1667238106Sdes{ 1668238106Sdes int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); 1669238106Sdes int i, at = 0; 1670238106Sdes *avail = NULL; 1671238106Sdes if(num == 0) 1672238106Sdes return 0; 1673287917Sdes *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); 1674238106Sdes if(!*avail) 1675238106Sdes return 0; 1676238106Sdes for(i=0; i<65536; i++) { 1677238106Sdes if(cfg->outgoing_avail_ports[i]) 1678238106Sdes (*avail)[at++] = cfg->outgoing_avail_ports[i]; 1679238106Sdes } 1680238106Sdes log_assert(at == num); 1681238106Sdes return num; 1682238106Sdes} 1683238106Sdes 1684238106Sdes/** print error with file and line number */ 1685238106Sdesstatic void ub_c_error_va_list(const char *fmt, va_list args) 1686238106Sdes{ 1687238106Sdes cfg_parser->errors++; 1688238106Sdes fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, 1689238106Sdes cfg_parser->line); 1690238106Sdes vfprintf(stderr, fmt, args); 1691238106Sdes fprintf(stderr, "\n"); 1692238106Sdes} 1693238106Sdes 1694238106Sdes/** print error with file and line number */ 1695238106Sdesvoid ub_c_error_msg(const char* fmt, ...) 1696238106Sdes{ 1697238106Sdes va_list args; 1698238106Sdes va_start(args, fmt); 1699238106Sdes ub_c_error_va_list(fmt, args); 1700238106Sdes va_end(args); 1701238106Sdes} 1702238106Sdes 1703238106Sdesvoid ub_c_error(const char *str) 1704238106Sdes{ 1705238106Sdes cfg_parser->errors++; 1706238106Sdes fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, 1707238106Sdes cfg_parser->line, str); 1708238106Sdes} 1709238106Sdes 1710238106Sdesint ub_c_wrap(void) 1711238106Sdes{ 1712238106Sdes return 1; 1713238106Sdes} 1714238106Sdes 1715238106Sdesint cfg_strlist_append(struct config_strlist_head* list, char* item) 1716238106Sdes{ 1717238106Sdes struct config_strlist *s; 1718356345Scy if(!item || !list) { 1719356345Scy free(item); 1720238106Sdes return 0; 1721356345Scy } 1722238106Sdes s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1723356345Scy if(!s) { 1724356345Scy free(item); 1725238106Sdes return 0; 1726356345Scy } 1727238106Sdes s->str = item; 1728238106Sdes s->next = NULL; 1729238106Sdes if(list->last) 1730238106Sdes list->last->next = s; 1731238106Sdes else 1732238106Sdes list->first = s; 1733238106Sdes list->last = s; 1734238106Sdes return 1; 1735238106Sdes} 1736238106Sdes 1737238106Sdesint 1738307729Sdescfg_region_strlist_insert(struct regional* region, 1739307729Sdes struct config_strlist** head, char* item) 1740307729Sdes{ 1741307729Sdes struct config_strlist *s; 1742307729Sdes if(!item || !head) 1743307729Sdes return 0; 1744307729Sdes s = (struct config_strlist*)regional_alloc_zero(region, 1745307729Sdes sizeof(struct config_strlist)); 1746307729Sdes if(!s) 1747307729Sdes return 0; 1748307729Sdes s->str = item; 1749307729Sdes s->next = *head; 1750307729Sdes *head = s; 1751307729Sdes return 1; 1752307729Sdes} 1753307729Sdes 1754356345Scystruct config_strlist* 1755356345Scycfg_strlist_find(struct config_strlist* head, const char *item) 1756356345Scy{ 1757356345Scy struct config_strlist *s = head; 1758356345Scy if(!head){ 1759356345Scy return NULL; 1760356345Scy } 1761356345Scy while(s) { 1762356345Scy if(strcmp(s->str, item) == 0) { 1763356345Scy return s; 1764356345Scy } 1765356345Scy s = s->next; 1766356345Scy } 1767356345Scy return NULL; 1768356345Scy} 1769356345Scy 1770307729Sdesint 1771238106Sdescfg_strlist_insert(struct config_strlist** head, char* item) 1772238106Sdes{ 1773238106Sdes struct config_strlist *s; 1774356345Scy if(!item || !head) { 1775356345Scy free(item); 1776238106Sdes return 0; 1777356345Scy } 1778238106Sdes s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1779356345Scy if(!s) { 1780356345Scy free(item); 1781238106Sdes return 0; 1782356345Scy } 1783238106Sdes s->str = item; 1784238106Sdes s->next = *head; 1785238106Sdes *head = s; 1786238106Sdes return 1; 1787238106Sdes} 1788238106Sdes 1789356345Scyint 1790356345Scycfg_strlist_append_ex(struct config_strlist** head, char* item) 1791356345Scy{ 1792356345Scy struct config_strlist *s; 1793356345Scy if(!item || !head) 1794356345Scy return 0; 1795356345Scy s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1796356345Scy if(!s) 1797356345Scy return 0; 1798356345Scy s->str = item; 1799356345Scy s->next = NULL; 1800356345Scy 1801356345Scy if (*head==NULL) { 1802356345Scy *head = s; 1803356345Scy } else { 1804356345Scy struct config_strlist *last = *head; 1805356345Scy while (last->next!=NULL) { 1806356345Scy last = last->next; 1807356345Scy } 1808356345Scy last->next = s; 1809356345Scy } 1810356345Scy 1811356345Scy return 1; 1812356345Scy} 1813356345Scy 1814238106Sdesint 1815238106Sdescfg_str2list_insert(struct config_str2list** head, char* item, char* i2) 1816238106Sdes{ 1817238106Sdes struct config_str2list *s; 1818356345Scy if(!item || !i2 || !head) { 1819356345Scy free(item); 1820356345Scy free(i2); 1821238106Sdes return 0; 1822356345Scy } 1823238106Sdes s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); 1824356345Scy if(!s) { 1825356345Scy free(item); 1826356345Scy free(i2); 1827238106Sdes return 0; 1828356345Scy } 1829238106Sdes s->str = item; 1830238106Sdes s->str2 = i2; 1831238106Sdes s->next = *head; 1832238106Sdes *head = s; 1833238106Sdes return 1; 1834238106Sdes} 1835238106Sdes 1836307729Sdesint 1837307729Sdescfg_str3list_insert(struct config_str3list** head, char* item, char* i2, 1838307729Sdes char* i3) 1839307729Sdes{ 1840307729Sdes struct config_str3list *s; 1841307729Sdes if(!item || !i2 || !i3 || !head) 1842307729Sdes return 0; 1843307729Sdes s = (struct config_str3list*)calloc(1, sizeof(struct config_str3list)); 1844307729Sdes if(!s) 1845307729Sdes return 0; 1846307729Sdes s->str = item; 1847307729Sdes s->str2 = i2; 1848307729Sdes s->str3 = i3; 1849307729Sdes s->next = *head; 1850307729Sdes *head = s; 1851307729Sdes return 1; 1852307729Sdes} 1853307729Sdes 1854307729Sdesint 1855307729Sdescfg_strbytelist_insert(struct config_strbytelist** head, char* item, 1856307729Sdes uint8_t* i2, size_t i2len) 1857307729Sdes{ 1858307729Sdes struct config_strbytelist* s; 1859307729Sdes if(!item || !i2 || !head) 1860307729Sdes return 0; 1861307729Sdes s = (struct config_strbytelist*)calloc(1, sizeof(*s)); 1862307729Sdes if(!s) 1863307729Sdes return 0; 1864307729Sdes s->str = item; 1865307729Sdes s->str2 = i2; 1866307729Sdes s->str2len = i2len; 1867307729Sdes s->next = *head; 1868307729Sdes *head = s; 1869307729Sdes return 1; 1870307729Sdes} 1871307729Sdes 1872266114Sdestime_t 1873238106Sdescfg_convert_timeval(const char* str) 1874238106Sdes{ 1875266114Sdes time_t t; 1876238106Sdes struct tm tm; 1877238106Sdes memset(&tm, 0, sizeof(tm)); 1878238106Sdes if(strlen(str) < 14) 1879238106Sdes return 0; 1880238106Sdes if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, 1881238106Sdes &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) 1882238106Sdes return 0; 1883238106Sdes tm.tm_year -= 1900; 1884238106Sdes tm.tm_mon--; 1885238106Sdes /* Check values */ 1886238106Sdes if (tm.tm_year < 70) return 0; 1887238106Sdes if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; 1888238106Sdes if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; 1889238106Sdes if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; 1890238106Sdes if (tm.tm_min < 0 || tm.tm_min > 59) return 0; 1891238106Sdes if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; 1892238106Sdes /* call ldns conversion function */ 1893266114Sdes t = sldns_mktime_from_utc(&tm); 1894238106Sdes return t; 1895238106Sdes} 1896238106Sdes 1897238106Sdesint 1898238106Sdescfg_count_numbers(const char* s) 1899238106Sdes{ 1900249141Sdes /* format ::= (sp num)+ sp */ 1901249141Sdes /* num ::= [-](0-9)+ */ 1902249141Sdes /* sp ::= (space|tab)* */ 1903249141Sdes int num = 0; 1904249141Sdes while(*s) { 1905276605Sdes while(*s && isspace((unsigned char)*s)) 1906249141Sdes s++; 1907249141Sdes if(!*s) /* end of string */ 1908249141Sdes break; 1909249141Sdes if(*s == '-') 1910249141Sdes s++; 1911249141Sdes if(!*s) /* only - not allowed */ 1912249141Sdes return 0; 1913276605Sdes if(!isdigit((unsigned char)*s)) /* bad character */ 1914249141Sdes return 0; 1915276605Sdes while(*s && isdigit((unsigned char)*s)) 1916249141Sdes s++; 1917249141Sdes num++; 1918249141Sdes } 1919249141Sdes return num; 1920238106Sdes} 1921238106Sdes 1922238106Sdes/** all digit number */ 1923238106Sdesstatic int isalldigit(const char* str, size_t l) 1924238106Sdes{ 1925238106Sdes size_t i; 1926238106Sdes for(i=0; i<l; i++) 1927276605Sdes if(!isdigit((unsigned char)str[i])) 1928238106Sdes return 0; 1929238106Sdes return 1; 1930238106Sdes} 1931238106Sdes 1932238106Sdesint 1933238106Sdescfg_parse_memsize(const char* str, size_t* res) 1934238106Sdes{ 1935249141Sdes size_t len; 1936238106Sdes size_t mult = 1; 1937249141Sdes if(!str || (len=(size_t)strlen(str)) == 0) { 1938238106Sdes log_err("not a size: '%s'", str); 1939238106Sdes return 0; 1940238106Sdes } 1941238106Sdes if(isalldigit(str, len)) { 1942238106Sdes *res = (size_t)atol(str); 1943238106Sdes return 1; 1944238106Sdes } 1945238106Sdes /* check appended num */ 1946238106Sdes while(len>0 && str[len-1]==' ') 1947238106Sdes len--; 1948238106Sdes if(len > 1 && str[len-1] == 'b') 1949238106Sdes len--; 1950238106Sdes else if(len > 1 && str[len-1] == 'B') 1951238106Sdes len--; 1952238106Sdes 1953276605Sdes if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') 1954238106Sdes mult = 1024*1024*1024; 1955276605Sdes else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') 1956238106Sdes mult = 1024*1024; 1957276605Sdes else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') 1958238106Sdes mult = 1024; 1959276605Sdes else if(len > 0 && isdigit((unsigned char)str[len-1])) 1960238106Sdes mult = 1; 1961238106Sdes else { 1962238106Sdes log_err("unknown size specifier: '%s'", str); 1963238106Sdes return 0; 1964238106Sdes } 1965238106Sdes while(len>1 && str[len-2]==' ') 1966238106Sdes len--; 1967238106Sdes 1968238106Sdes if(!isalldigit(str, len-1)) { 1969238106Sdes log_err("unknown size specifier: '%s'", str); 1970238106Sdes return 0; 1971238106Sdes } 1972238106Sdes *res = ((size_t)atol(str)) * mult; 1973238106Sdes return 1; 1974238106Sdes} 1975238106Sdes 1976307729Sdesint 1977307729Sdesfind_tag_id(struct config_file* cfg, const char* tag) 1978307729Sdes{ 1979307729Sdes int i; 1980307729Sdes for(i=0; i<cfg->num_tags; i++) { 1981307729Sdes if(strcmp(cfg->tagname[i], tag) == 0) 1982307729Sdes return i; 1983307729Sdes } 1984307729Sdes return -1; 1985307729Sdes} 1986307729Sdes 1987307729Sdesint 1988307729Sdesconfig_add_tag(struct config_file* cfg, const char* tag) 1989307729Sdes{ 1990307729Sdes char** newarray; 1991307729Sdes char* newtag; 1992307729Sdes if(find_tag_id(cfg, tag) != -1) 1993307729Sdes return 1; /* nothing to do */ 1994307729Sdes newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); 1995307729Sdes if(!newarray) 1996307729Sdes return 0; 1997307729Sdes newtag = strdup(tag); 1998307729Sdes if(!newtag) { 1999307729Sdes free(newarray); 2000307729Sdes return 0; 2001307729Sdes } 2002307729Sdes if(cfg->tagname) { 2003307729Sdes memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); 2004307729Sdes free(cfg->tagname); 2005307729Sdes } 2006307729Sdes newarray[cfg->num_tags++] = newtag; 2007307729Sdes cfg->tagname = newarray; 2008307729Sdes return 1; 2009307729Sdes} 2010307729Sdes 2011307729Sdes/** set a bit in a bit array */ 2012307729Sdesstatic void 2013307729Sdescfg_set_bit(uint8_t* bitlist, size_t len, int id) 2014307729Sdes{ 2015307729Sdes int pos = id/8; 2016307729Sdes log_assert((size_t)pos < len); 2017307729Sdes (void)len; 2018307729Sdes bitlist[pos] |= 1<<(id%8); 2019307729Sdes} 2020307729Sdes 2021307729Sdesuint8_t* config_parse_taglist(struct config_file* cfg, char* str, 2022307729Sdes size_t* listlen) 2023307729Sdes{ 2024307729Sdes uint8_t* taglist = NULL; 2025307729Sdes size_t len = 0; 2026307729Sdes char* p, *s; 2027307729Sdes 2028307729Sdes /* allocate */ 2029307729Sdes if(cfg->num_tags == 0) { 2030307729Sdes log_err("parse taglist, but no tags defined"); 2031307729Sdes return 0; 2032307729Sdes } 2033307729Sdes len = (size_t)(cfg->num_tags+7)/8; 2034307729Sdes taglist = calloc(1, len); 2035307729Sdes if(!taglist) { 2036307729Sdes log_err("out of memory"); 2037307729Sdes return 0; 2038307729Sdes } 2039307729Sdes 2040307729Sdes /* parse */ 2041307729Sdes s = str; 2042307729Sdes while((p=strsep(&s, " \t\n")) != NULL) { 2043307729Sdes if(*p) { 2044307729Sdes int id = find_tag_id(cfg, p); 2045307729Sdes /* set this bit in the bitlist */ 2046307729Sdes if(id == -1) { 2047307729Sdes log_err("unknown tag: %s", p); 2048307729Sdes free(taglist); 2049307729Sdes return 0; 2050307729Sdes } 2051307729Sdes cfg_set_bit(taglist, len, id); 2052307729Sdes } 2053307729Sdes } 2054307729Sdes 2055307729Sdes *listlen = len; 2056307729Sdes return taglist; 2057307729Sdes} 2058307729Sdes 2059369939Sgit2svnuint8_t* cfg_parse_nsid(const char* str, uint16_t* nsid_len) 2060369939Sgit2svn{ 2061369939Sgit2svn uint8_t* nsid = NULL; 2062369939Sgit2svn 2063369939Sgit2svn if (strncasecmp(str, "ascii_", 6) == 0) { 2064369939Sgit2svn if ((nsid = (uint8_t *)strdup(str + 6))) 2065369939Sgit2svn *nsid_len = strlen(str + 6); 2066369939Sgit2svn 2067369939Sgit2svn } else if (strlen(str) % 2) { 2068369939Sgit2svn ; /* hex string has even number of characters */ 2069369939Sgit2svn } 2070369939Sgit2svn 2071369939Sgit2svn else if (*str && (nsid = calloc(1, strlen(str) / 2))) { 2072369939Sgit2svn const char *ch; 2073369939Sgit2svn uint8_t *dp; 2074369939Sgit2svn 2075369939Sgit2svn for ( ch = str, dp = nsid 2076369939Sgit2svn ; isxdigit(ch[0]) && isxdigit(ch[1]) 2077369939Sgit2svn ; ch += 2, dp++) { 2078369939Sgit2svn *dp = (uint8_t)sldns_hexdigit_to_int(ch[0]) * 16; 2079369939Sgit2svn *dp += (uint8_t)sldns_hexdigit_to_int(ch[1]); 2080369939Sgit2svn } 2081369939Sgit2svn if (*ch) { 2082369939Sgit2svn free(nsid); 2083369939Sgit2svn nsid = NULL; 2084369939Sgit2svn } else 2085369939Sgit2svn *nsid_len = strlen(str) / 2; 2086369939Sgit2svn } 2087369939Sgit2svn return nsid; 2088369939Sgit2svn} 2089369939Sgit2svn 2090369939Sgit2svn 2091307729Sdeschar* config_taglist2str(struct config_file* cfg, uint8_t* taglist, 2092307729Sdes size_t taglen) 2093307729Sdes{ 2094307729Sdes char buf[10240]; 2095307729Sdes size_t i, j, len = 0; 2096307729Sdes buf[0] = 0; 2097307729Sdes for(i=0; i<taglen; i++) { 2098307729Sdes if(taglist[i] == 0) 2099307729Sdes continue; 2100307729Sdes for(j=0; j<8; j++) { 2101307729Sdes if((taglist[i] & (1<<j)) != 0) { 2102307729Sdes size_t id = i*8 + j; 2103307729Sdes snprintf(buf+len, sizeof(buf)-len, "%s%s", 2104307729Sdes (len==0?"":" "), cfg->tagname[id]); 2105307729Sdes len += strlen(buf+len); 2106307729Sdes } 2107307729Sdes } 2108307729Sdes } 2109307729Sdes return strdup(buf); 2110307729Sdes} 2111307729Sdes 2112361435Scyint taglist_intersect(uint8_t* list1, size_t list1len, const uint8_t* list2, 2113307729Sdes size_t list2len) 2114307729Sdes{ 2115307729Sdes size_t i; 2116307729Sdes if(!list1 || !list2) 2117307729Sdes return 0; 2118307729Sdes for(i=0; i<list1len && i<list2len; i++) { 2119307729Sdes if((list1[i] & list2[i]) != 0) 2120307729Sdes return 1; 2121307729Sdes } 2122307729Sdes return 0; 2123307729Sdes} 2124307729Sdes 2125238106Sdesvoid 2126238106Sdesconfig_apply(struct config_file* config) 2127238106Sdes{ 2128266114Sdes MAX_TTL = (time_t)config->max_ttl; 2129266114Sdes MIN_TTL = (time_t)config->min_ttl; 2130361435Scy SERVE_EXPIRED = config->serve_expired; 2131356345Scy SERVE_EXPIRED_TTL = (time_t)config->serve_expired_ttl; 2132361435Scy SERVE_EXPIRED_REPLY_TTL = (time_t)config->serve_expired_reply_ttl; 2133369939Sgit2svn SERVE_ORIGINAL_TTL = config->serve_original_ttl; 2134287917Sdes MAX_NEG_TTL = (time_t)config->max_negative_ttl; 2135282089Sdes RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; 2136238106Sdes EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; 2137238106Sdes MINIMAL_RESPONSES = config->minimal_responses; 2138238106Sdes RRSET_ROUNDROBIN = config->rrset_roundrobin; 2139356345Scy LOG_TAG_QUERYREPLY = config->log_tag_queryreply; 2140356345Scy UNKNOWN_SERVER_NICENESS = config->unknown_server_time_limit; 2141238106Sdes log_set_time_asc(config->log_time_ascii); 2142289063Sdes autr_permit_small_holddown = config->permit_small_holddown; 2143356345Scy stream_wait_max = config->stream_wait_size; 2144368129Scy http2_query_buffer_max = config->http_query_buffer_size; 2145368129Scy http2_response_buffer_max = config->http_response_buffer_size; 2146238106Sdes} 2147238106Sdes 2148277057Sdesvoid config_lookup_uid(struct config_file* cfg) 2149277057Sdes{ 2150277057Sdes#ifdef HAVE_GETPWNAM 2151277057Sdes /* translate username into uid and gid */ 2152277057Sdes if(cfg->username && cfg->username[0]) { 2153277057Sdes struct passwd *pwd; 2154282089Sdes if((pwd = getpwnam(cfg->username)) != NULL) { 2155282089Sdes cfg_uid = pwd->pw_uid; 2156282089Sdes cfg_gid = pwd->pw_gid; 2157282089Sdes } 2158277057Sdes } 2159282089Sdes#else 2160282089Sdes (void)cfg; 2161277057Sdes#endif 2162277057Sdes} 2163277057Sdes 2164238106Sdes/** 2165238106Sdes * Calculate string length of full pathname in original filesys 2166238106Sdes * @param fname: the path name to convert. 2167238106Sdes * Must not be null or empty. 2168238106Sdes * @param cfg: config struct for chroot and chdir (if set). 2169238106Sdes * @param use_chdir: if false, only chroot is applied. 2170238106Sdes * @return length of string. 2171238106Sdes * remember to allocate one more for 0 at end in mallocs. 2172238106Sdes */ 2173238106Sdesstatic size_t 2174238106Sdesstrlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 2175238106Sdes{ 2176238106Sdes size_t len = 0; 2177238106Sdes int slashit = 0; 2178238106Sdes if(cfg->chrootdir && cfg->chrootdir[0] && 2179238106Sdes strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 2180238106Sdes /* already full pathname, return it */ 2181238106Sdes return strlen(fname); 2182238106Sdes } 2183238106Sdes /* chroot */ 2184238106Sdes if(cfg->chrootdir && cfg->chrootdir[0]) { 2185238106Sdes /* start with chrootdir */ 2186238106Sdes len += strlen(cfg->chrootdir); 2187238106Sdes slashit = 1; 2188238106Sdes } 2189238106Sdes /* chdir */ 2190238106Sdes#ifdef UB_ON_WINDOWS 2191238106Sdes if(fname[0] != 0 && fname[1] == ':') { 2192238106Sdes /* full path, no chdir */ 2193238106Sdes } else 2194238106Sdes#endif 2195238106Sdes if(fname[0] == '/' || !use_chdir) { 2196238106Sdes /* full path, no chdir */ 2197238106Sdes } else if(cfg->directory && cfg->directory[0]) { 2198238106Sdes /* prepend chdir */ 2199238106Sdes if(slashit && cfg->directory[0] != '/') 2200238106Sdes len++; 2201238106Sdes if(cfg->chrootdir && cfg->chrootdir[0] && 2202238106Sdes strncmp(cfg->chrootdir, cfg->directory, 2203238106Sdes strlen(cfg->chrootdir)) == 0) 2204238106Sdes len += strlen(cfg->directory)-strlen(cfg->chrootdir); 2205238106Sdes else len += strlen(cfg->directory); 2206238106Sdes slashit = 1; 2207238106Sdes } 2208238106Sdes /* fname */ 2209238106Sdes if(slashit && fname[0] != '/') 2210238106Sdes len++; 2211238106Sdes len += strlen(fname); 2212238106Sdes return len; 2213238106Sdes} 2214238106Sdes 2215238106Sdeschar* 2216238106Sdesfname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 2217238106Sdes{ 2218266114Sdes size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; 2219238106Sdes int slashit = 0; 2220266114Sdes char* buf = (char*)malloc(len); 2221238106Sdes if(!buf) 2222238106Sdes return NULL; 2223238106Sdes buf[0] = 0; 2224238106Sdes /* is fname already in chroot ? */ 2225238106Sdes if(cfg->chrootdir && cfg->chrootdir[0] && 2226238106Sdes strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 2227238106Sdes /* already full pathname, return it */ 2228266114Sdes (void)strlcpy(buf, fname, len); 2229266114Sdes buf[len-1] = 0; 2230238106Sdes return buf; 2231238106Sdes } 2232238106Sdes /* chroot */ 2233238106Sdes if(cfg->chrootdir && cfg->chrootdir[0]) { 2234238106Sdes /* start with chrootdir */ 2235266114Sdes (void)strlcpy(buf, cfg->chrootdir, len); 2236238106Sdes slashit = 1; 2237238106Sdes } 2238238106Sdes#ifdef UB_ON_WINDOWS 2239238106Sdes if(fname[0] != 0 && fname[1] == ':') { 2240238106Sdes /* full path, no chdir */ 2241238106Sdes } else 2242238106Sdes#endif 2243238106Sdes /* chdir */ 2244238106Sdes if(fname[0] == '/' || !use_chdir) { 2245238106Sdes /* full path, no chdir */ 2246238106Sdes } else if(cfg->directory && cfg->directory[0]) { 2247238106Sdes /* prepend chdir */ 2248238106Sdes if(slashit && cfg->directory[0] != '/') 2249266114Sdes (void)strlcat(buf, "/", len); 2250238106Sdes /* is the directory already in the chroot? */ 2251238106Sdes if(cfg->chrootdir && cfg->chrootdir[0] && 2252238106Sdes strncmp(cfg->chrootdir, cfg->directory, 2253238106Sdes strlen(cfg->chrootdir)) == 0) 2254266114Sdes (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), 2255266114Sdes len); 2256266114Sdes else (void)strlcat(buf, cfg->directory, len); 2257238106Sdes slashit = 1; 2258238106Sdes } 2259238106Sdes /* fname */ 2260238106Sdes if(slashit && fname[0] != '/') 2261266114Sdes (void)strlcat(buf, "/", len); 2262266114Sdes (void)strlcat(buf, fname, len); 2263266114Sdes buf[len-1] = 0; 2264238106Sdes return buf; 2265238106Sdes} 2266238106Sdes 2267238106Sdes/** return next space character in string */ 2268238106Sdesstatic char* next_space_pos(const char* str) 2269238106Sdes{ 2270238106Sdes char* sp = strchr(str, ' '); 2271238106Sdes char* tab = strchr(str, '\t'); 2272238106Sdes if(!tab && !sp) 2273238106Sdes return NULL; 2274238106Sdes if(!sp) return tab; 2275238106Sdes if(!tab) return sp; 2276238106Sdes return (sp<tab)?sp:tab; 2277238106Sdes} 2278238106Sdes 2279238106Sdes/** return last space character in string */ 2280238106Sdesstatic char* last_space_pos(const char* str) 2281238106Sdes{ 2282238106Sdes char* sp = strrchr(str, ' '); 2283238106Sdes char* tab = strrchr(str, '\t'); 2284238106Sdes if(!tab && !sp) 2285238106Sdes return NULL; 2286238106Sdes if(!sp) return tab; 2287238106Sdes if(!tab) return sp; 2288238106Sdes return (sp>tab)?sp:tab; 2289238106Sdes} 2290238106Sdes 2291238106Sdesint 2292238106Sdescfg_parse_local_zone(struct config_file* cfg, const char* val) 2293238106Sdes{ 2294238106Sdes const char *type, *name_end, *name; 2295238106Sdes char buf[256]; 2296238106Sdes 2297238106Sdes /* parse it as: [zone_name] [between stuff] [zone_type] */ 2298238106Sdes name = val; 2299276605Sdes while(*name && isspace((unsigned char)*name)) 2300238106Sdes name++; 2301238106Sdes if(!*name) { 2302238106Sdes log_err("syntax error: too short: %s", val); 2303238106Sdes return 0; 2304238106Sdes } 2305238106Sdes name_end = next_space_pos(name); 2306238106Sdes if(!name_end || !*name_end) { 2307238106Sdes log_err("syntax error: expected zone type: %s", val); 2308238106Sdes return 0; 2309238106Sdes } 2310238106Sdes if (name_end - name > 255) { 2311238106Sdes log_err("syntax error: bad zone name: %s", val); 2312238106Sdes return 0; 2313238106Sdes } 2314266114Sdes (void)strlcpy(buf, name, sizeof(buf)); 2315238106Sdes buf[name_end-name] = '\0'; 2316238106Sdes 2317238106Sdes type = last_space_pos(name_end); 2318276605Sdes while(type && *type && isspace((unsigned char)*type)) 2319238106Sdes type++; 2320238106Sdes if(!type || !*type) { 2321238106Sdes log_err("syntax error: expected zone type: %s", val); 2322238106Sdes return 0; 2323238106Sdes } 2324238106Sdes 2325238106Sdes if(strcmp(type, "nodefault")==0) { 2326238106Sdes return cfg_strlist_insert(&cfg->local_zones_nodefault, 2327238106Sdes strdup(name)); 2328356345Scy#ifdef USE_IPSET 2329356345Scy } else if(strcmp(type, "ipset")==0) { 2330356345Scy return cfg_strlist_insert(&cfg->local_zones_ipset, 2331356345Scy strdup(name)); 2332356345Scy#endif 2333238106Sdes } else { 2334238106Sdes return cfg_str2list_insert(&cfg->local_zones, strdup(buf), 2335238106Sdes strdup(type)); 2336238106Sdes } 2337238106Sdes} 2338238106Sdes 2339238106Sdeschar* cfg_ptr_reverse(char* str) 2340238106Sdes{ 2341238106Sdes char* ip, *ip_end; 2342238106Sdes char* name; 2343238106Sdes char* result; 2344238106Sdes char buf[1024]; 2345238106Sdes struct sockaddr_storage addr; 2346238106Sdes socklen_t addrlen; 2347238106Sdes 2348238106Sdes /* parse it as: [IP] [between stuff] [name] */ 2349238106Sdes ip = str; 2350276605Sdes while(*ip && isspace((unsigned char)*ip)) 2351238106Sdes ip++; 2352238106Sdes if(!*ip) { 2353238106Sdes log_err("syntax error: too short: %s", str); 2354238106Sdes return NULL; 2355238106Sdes } 2356238106Sdes ip_end = next_space_pos(ip); 2357238106Sdes if(!ip_end || !*ip_end) { 2358238106Sdes log_err("syntax error: expected name: %s", str); 2359238106Sdes return NULL; 2360238106Sdes } 2361238106Sdes 2362238106Sdes name = last_space_pos(ip_end); 2363238106Sdes if(!name || !*name) { 2364238106Sdes log_err("syntax error: expected name: %s", str); 2365238106Sdes return NULL; 2366238106Sdes } 2367238106Sdes 2368238106Sdes sscanf(ip, "%100s", buf); 2369238106Sdes buf[sizeof(buf)-1]=0; 2370238106Sdes 2371238106Sdes if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { 2372238106Sdes log_err("syntax error: cannot parse address: %s", str); 2373238106Sdes return NULL; 2374238106Sdes } 2375238106Sdes 2376238106Sdes /* reverse IPv4: 2377238106Sdes * ddd.ddd.ddd.ddd.in-addr-arpa. 2378238106Sdes * IPv6: (h.){32}.ip6.arpa. */ 2379238106Sdes 2380238106Sdes if(addr_is_ip6(&addr, addrlen)) { 2381238106Sdes uint8_t ad[16]; 2382238106Sdes const char* hex = "0123456789abcdef"; 2383238106Sdes char *p = buf; 2384238106Sdes int i; 2385238106Sdes memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, 2386238106Sdes sizeof(ad)); 2387238106Sdes for(i=15; i>=0; i--) { 2388238106Sdes uint8_t b = ad[i]; 2389238106Sdes *p++ = hex[ (b&0x0f) ]; 2390238106Sdes *p++ = '.'; 2391238106Sdes *p++ = hex[ (b&0xf0) >> 4 ]; 2392238106Sdes *p++ = '.'; 2393238106Sdes } 2394238106Sdes snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); 2395238106Sdes } else { 2396238106Sdes uint8_t ad[4]; 2397238106Sdes memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, 2398238106Sdes sizeof(ad)); 2399238106Sdes snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", 2400238106Sdes (unsigned)ad[3], (unsigned)ad[2], 2401238106Sdes (unsigned)ad[1], (unsigned)ad[0]); 2402238106Sdes } 2403238106Sdes 2404238106Sdes /* printed the reverse address, now the between goop and name on end */ 2405276605Sdes while(*ip_end && isspace((unsigned char)*ip_end)) 2406238106Sdes ip_end++; 2407238106Sdes if(name>ip_end) { 2408238106Sdes snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", 2409238106Sdes (int)(name-ip_end), ip_end); 2410238106Sdes } 2411238106Sdes snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); 2412238106Sdes 2413238106Sdes result = strdup(buf); 2414238106Sdes if(!result) { 2415238106Sdes log_err("out of memory parsing %s", str); 2416238106Sdes return NULL; 2417238106Sdes } 2418238106Sdes return result; 2419238106Sdes} 2420238106Sdes 2421238106Sdes#ifdef UB_ON_WINDOWS 2422238106Sdeschar* 2423238106Sdesw_lookup_reg_str(const char* key, const char* name) 2424238106Sdes{ 2425238106Sdes HKEY hk = NULL; 2426238106Sdes DWORD type = 0; 2427238106Sdes BYTE buf[1024]; 2428238106Sdes DWORD len = (DWORD)sizeof(buf); 2429238106Sdes LONG ret; 2430238106Sdes char* result = NULL; 2431238106Sdes ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); 2432238106Sdes if(ret == ERROR_FILE_NOT_FOUND) 2433238106Sdes return NULL; /* key does not exist */ 2434238106Sdes else if(ret != ERROR_SUCCESS) { 2435238106Sdes log_err("RegOpenKeyEx failed"); 2436238106Sdes return NULL; 2437238106Sdes } 2438238106Sdes ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); 2439238106Sdes if(RegCloseKey(hk)) 2440238106Sdes log_err("RegCloseKey"); 2441238106Sdes if(ret == ERROR_FILE_NOT_FOUND) 2442238106Sdes return NULL; /* name does not exist */ 2443238106Sdes else if(ret != ERROR_SUCCESS) { 2444238106Sdes log_err("RegQueryValueEx failed"); 2445238106Sdes return NULL; 2446238106Sdes } 2447238106Sdes if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { 2448238106Sdes buf[sizeof(buf)-1] = 0; 2449238106Sdes buf[sizeof(buf)-2] = 0; /* for multi_sz */ 2450238106Sdes result = strdup((char*)buf); 2451238106Sdes if(!result) log_err("out of memory"); 2452238106Sdes } 2453238106Sdes return result; 2454238106Sdes} 2455292206Sdes 2456292206Sdesvoid w_config_adjust_directory(struct config_file* cfg) 2457292206Sdes{ 2458292206Sdes if(cfg->directory && cfg->directory[0]) { 2459292206Sdes TCHAR dirbuf[2*MAX_PATH+4]; 2460292206Sdes if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { 2461292206Sdes /* get executable path, and if that contains 2462292206Sdes * directories, snip off the filename part */ 2463292206Sdes dirbuf[0] = 0; 2464292206Sdes if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) 2465292206Sdes log_err("could not GetModuleFileName"); 2466292206Sdes if(strrchr(dirbuf, '\\')) { 2467292206Sdes (strrchr(dirbuf, '\\'))[0] = 0; 2468292206Sdes } else log_err("GetModuleFileName had no path"); 2469292206Sdes if(dirbuf[0]) { 2470292206Sdes /* adjust directory for later lookups to work*/ 2471292206Sdes free(cfg->directory); 2472292206Sdes cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); 2473292206Sdes } 2474292206Sdes } 2475292206Sdes } 2476292206Sdes} 2477238106Sdes#endif /* UB_ON_WINDOWS */ 2478238106Sdes 2479238106Sdesvoid errinf(struct module_qstate* qstate, const char* str) 2480238106Sdes{ 2481238106Sdes struct config_strlist* p; 2482356345Scy if((qstate->env->cfg->val_log_level < 2 && !qstate->env->cfg->log_servfail) || !str) 2483238106Sdes return; 2484238106Sdes p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); 2485238106Sdes if(!p) { 2486238106Sdes log_err("malloc failure in validator-error-info string"); 2487238106Sdes return; 2488238106Sdes } 2489238106Sdes p->next = NULL; 2490238106Sdes p->str = regional_strdup(qstate->region, str); 2491238106Sdes if(!p->str) { 2492238106Sdes log_err("malloc failure in validator-error-info string"); 2493238106Sdes return; 2494238106Sdes } 2495238106Sdes /* add at end */ 2496238106Sdes if(qstate->errinf) { 2497238106Sdes struct config_strlist* q = qstate->errinf; 2498238106Sdes while(q->next) 2499238106Sdes q = q->next; 2500238106Sdes q->next = p; 2501238106Sdes } else qstate->errinf = p; 2502238106Sdes} 2503238106Sdes 2504238106Sdesvoid errinf_origin(struct module_qstate* qstate, struct sock_list *origin) 2505238106Sdes{ 2506238106Sdes struct sock_list* p; 2507356345Scy if(qstate->env->cfg->val_log_level < 2 && !qstate->env->cfg->log_servfail) 2508238106Sdes return; 2509238106Sdes for(p=origin; p; p=p->next) { 2510238106Sdes char buf[256]; 2511238106Sdes if(p == origin) 2512238106Sdes snprintf(buf, sizeof(buf), "from "); 2513238106Sdes else snprintf(buf, sizeof(buf), "and "); 2514238106Sdes if(p->len == 0) 2515238106Sdes snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), 2516238106Sdes "cache"); 2517238106Sdes else 2518238106Sdes addr_to_str(&p->addr, p->len, buf+strlen(buf), 2519238106Sdes sizeof(buf)-strlen(buf)); 2520238106Sdes errinf(qstate, buf); 2521238106Sdes } 2522238106Sdes} 2523238106Sdes 2524356345Scychar* errinf_to_str_bogus(struct module_qstate* qstate) 2525238106Sdes{ 2526238106Sdes char buf[20480]; 2527238106Sdes char* p = buf; 2528238106Sdes size_t left = sizeof(buf); 2529238106Sdes struct config_strlist* s; 2530238106Sdes char dname[LDNS_MAX_DOMAINLEN+1]; 2531266114Sdes char t[16], c[16]; 2532266114Sdes sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 2533266114Sdes sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 2534238106Sdes dname_str(qstate->qinfo.qname, dname); 2535238106Sdes snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); 2536238106Sdes left -= strlen(p); p += strlen(p); 2537238106Sdes if(!qstate->errinf) 2538238106Sdes snprintf(p, left, " misc failure"); 2539238106Sdes else for(s=qstate->errinf; s; s=s->next) { 2540238106Sdes snprintf(p, left, " %s", s->str); 2541238106Sdes left -= strlen(p); p += strlen(p); 2542238106Sdes } 2543238106Sdes p = strdup(buf); 2544238106Sdes if(!p) 2545238106Sdes log_err("malloc failure in errinf_to_str"); 2546238106Sdes return p; 2547238106Sdes} 2548238106Sdes 2549356345Scychar* errinf_to_str_servfail(struct module_qstate* qstate) 2550356345Scy{ 2551356345Scy char buf[20480]; 2552356345Scy char* p = buf; 2553356345Scy size_t left = sizeof(buf); 2554356345Scy struct config_strlist* s; 2555356345Scy char dname[LDNS_MAX_DOMAINLEN+1]; 2556356345Scy char t[16], c[16]; 2557356345Scy sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 2558356345Scy sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 2559356345Scy dname_str(qstate->qinfo.qname, dname); 2560356345Scy snprintf(p, left, "SERVFAIL <%s %s %s>:", dname, t, c); 2561356345Scy left -= strlen(p); p += strlen(p); 2562356345Scy if(!qstate->errinf) 2563356345Scy snprintf(p, left, " misc failure"); 2564356345Scy else for(s=qstate->errinf; s; s=s->next) { 2565356345Scy snprintf(p, left, " %s", s->str); 2566356345Scy left -= strlen(p); p += strlen(p); 2567356345Scy } 2568356345Scy p = strdup(buf); 2569356345Scy if(!p) 2570356345Scy log_err("malloc failure in errinf_to_str"); 2571356345Scy return p; 2572356345Scy} 2573356345Scy 2574238106Sdesvoid errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) 2575238106Sdes{ 2576238106Sdes char buf[1024]; 2577238106Sdes char dname[LDNS_MAX_DOMAINLEN+1]; 2578266114Sdes char t[16], c[16]; 2579356345Scy if((qstate->env->cfg->val_log_level < 2 && !qstate->env->cfg->log_servfail) || !rr) 2580238106Sdes return; 2581266114Sdes sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); 2582266114Sdes sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); 2583238106Sdes dname_str(rr->rk.dname, dname); 2584238106Sdes snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); 2585238106Sdes errinf(qstate, buf); 2586238106Sdes} 2587238106Sdes 2588238106Sdesvoid errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) 2589238106Sdes{ 2590238106Sdes char b[1024]; 2591238106Sdes char buf[LDNS_MAX_DOMAINLEN+1]; 2592356345Scy if((qstate->env->cfg->val_log_level < 2 && !qstate->env->cfg->log_servfail) || !str || !dname) 2593238106Sdes return; 2594238106Sdes dname_str(dname, buf); 2595238106Sdes snprintf(b, sizeof(b), "%s %s", str, buf); 2596238106Sdes errinf(qstate, b); 2597238106Sdes} 2598356345Scy 2599356345Scyint options_remote_is_address(struct config_file* cfg) 2600356345Scy{ 2601356345Scy if(!cfg->remote_control_enable) return 0; 2602356345Scy if(!cfg->control_ifs.first) return 1; 2603356345Scy if(!cfg->control_ifs.first->str) return 1; 2604356345Scy if(cfg->control_ifs.first->str[0] == 0) return 1; 2605356345Scy return (cfg->control_ifs.first->str[0] != '/'); 2606356345Scy} 2607356345Scy 2608