1b7579f77SDag-Erling Smørgrav /* 2b7579f77SDag-Erling Smørgrav * util/config_file.c - reads and stores the config file for unbound. 3b7579f77SDag-Erling Smørgrav * 4b7579f77SDag-Erling Smørgrav * Copyright (c) 2007, NLnet Labs. All rights reserved. 5b7579f77SDag-Erling Smørgrav * 6b7579f77SDag-Erling Smørgrav * This software is open source. 7b7579f77SDag-Erling Smørgrav * 8b7579f77SDag-Erling Smørgrav * Redistribution and use in source and binary forms, with or without 9b7579f77SDag-Erling Smørgrav * modification, are permitted provided that the following conditions 10b7579f77SDag-Erling Smørgrav * are met: 11b7579f77SDag-Erling Smørgrav * 12b7579f77SDag-Erling Smørgrav * Redistributions of source code must retain the above copyright notice, 13b7579f77SDag-Erling Smørgrav * this list of conditions and the following disclaimer. 14b7579f77SDag-Erling Smørgrav * 15b7579f77SDag-Erling Smørgrav * Redistributions in binary form must reproduce the above copyright notice, 16b7579f77SDag-Erling Smørgrav * this list of conditions and the following disclaimer in the documentation 17b7579f77SDag-Erling Smørgrav * and/or other materials provided with the distribution. 18b7579f77SDag-Erling Smørgrav * 19b7579f77SDag-Erling Smørgrav * Neither the name of the NLNET LABS nor the names of its contributors may 20b7579f77SDag-Erling Smørgrav * be used to endorse or promote products derived from this software without 21b7579f77SDag-Erling Smørgrav * specific prior written permission. 22b7579f77SDag-Erling Smørgrav * 23b7579f77SDag-Erling Smørgrav * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2417d15b25SDag-Erling Smørgrav * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2517d15b25SDag-Erling Smørgrav * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2617d15b25SDag-Erling Smørgrav * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2717d15b25SDag-Erling Smørgrav * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2817d15b25SDag-Erling Smørgrav * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 2917d15b25SDag-Erling Smørgrav * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 3017d15b25SDag-Erling Smørgrav * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3117d15b25SDag-Erling Smørgrav * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3217d15b25SDag-Erling Smørgrav * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3317d15b25SDag-Erling Smørgrav * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34b7579f77SDag-Erling Smørgrav */ 35b7579f77SDag-Erling Smørgrav 36b7579f77SDag-Erling Smørgrav /** 37b7579f77SDag-Erling Smørgrav * \file 38b7579f77SDag-Erling Smørgrav * 39b7579f77SDag-Erling Smørgrav * This file contains functions for the config file. 40b7579f77SDag-Erling Smørgrav */ 41b7579f77SDag-Erling Smørgrav 42b7579f77SDag-Erling Smørgrav #include "config.h" 43b7579f77SDag-Erling Smørgrav #include <ctype.h> 4417d15b25SDag-Erling Smørgrav #include <stdarg.h> 4517d15b25SDag-Erling Smørgrav #ifdef HAVE_TIME_H 4617d15b25SDag-Erling Smørgrav #include <time.h> 4717d15b25SDag-Erling Smørgrav #endif 48b7579f77SDag-Erling Smørgrav #include "util/log.h" 49b7579f77SDag-Erling Smørgrav #include "util/configyyrename.h" 50b7579f77SDag-Erling Smørgrav #include "util/config_file.h" 51e8263e18SDag-Erling Smørgrav #include "configparser.h" 52b7579f77SDag-Erling Smørgrav #include "util/net_help.h" 53b7579f77SDag-Erling Smørgrav #include "util/data/msgparse.h" 54b7579f77SDag-Erling Smørgrav #include "util/module.h" 55b7579f77SDag-Erling Smørgrav #include "util/regional.h" 56b7579f77SDag-Erling Smørgrav #include "util/fptr_wlist.h" 57b7579f77SDag-Erling Smørgrav #include "util/data/dname.h" 586480faa8SDag-Erling Smørgrav #include "util/rtt.h" 5909a3aaf3SDag-Erling Smørgrav #include "services/cache/infra.h" 6009a3aaf3SDag-Erling Smørgrav #include "sldns/wire2str.h" 6109a3aaf3SDag-Erling Smørgrav #include "sldns/parseutil.h" 628ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB_H 638ed2b524SDag-Erling Smørgrav # include <glob.h> 648ed2b524SDag-Erling Smørgrav #endif 6565b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 6665b390aaSDag-Erling Smørgrav #include "edns-subnet/edns-subnet.h" 6765b390aaSDag-Erling Smørgrav #endif 6831099b50SDag-Erling Smørgrav #ifdef HAVE_PWD_H 6931099b50SDag-Erling Smørgrav #include <pwd.h> 7031099b50SDag-Erling Smørgrav #endif 718ed2b524SDag-Erling Smørgrav 726480faa8SDag-Erling Smørgrav /** from cfg username, after daemonise setup performed */ 736480faa8SDag-Erling Smørgrav uid_t cfg_uid = (uid_t)-1; 746480faa8SDag-Erling Smørgrav /** from cfg username, after daemonise setup performed */ 756480faa8SDag-Erling Smørgrav gid_t cfg_gid = (gid_t)-1; 76b75612f8SDag-Erling Smørgrav /** for debug allow small timeout values for fast rollovers */ 77b75612f8SDag-Erling Smørgrav int autr_permit_small_holddown = 0; 786480faa8SDag-Erling Smørgrav 79b7579f77SDag-Erling Smørgrav /** global config during parsing */ 80b7579f77SDag-Erling Smørgrav struct config_parser_state* cfg_parser = 0; 81b7579f77SDag-Erling Smørgrav 82b7579f77SDag-Erling Smørgrav /** init ports possible for use */ 83b7579f77SDag-Erling Smørgrav static void init_outgoing_availports(int* array, int num); 84b7579f77SDag-Erling Smørgrav 85b7579f77SDag-Erling Smørgrav struct config_file* 86b7579f77SDag-Erling Smørgrav config_create(void) 87b7579f77SDag-Erling Smørgrav { 88b7579f77SDag-Erling Smørgrav struct config_file* cfg; 89b7579f77SDag-Erling Smørgrav cfg = (struct config_file*)calloc(1, sizeof(struct config_file)); 90b7579f77SDag-Erling Smørgrav if(!cfg) 91b7579f77SDag-Erling Smørgrav return NULL; 92b7579f77SDag-Erling Smørgrav /* the defaults if no config is present */ 93b7579f77SDag-Erling Smørgrav cfg->verbosity = 1; 94b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 95b7579f77SDag-Erling Smørgrav cfg->stat_cumulative = 0; 96b7579f77SDag-Erling Smørgrav cfg->stat_extended = 0; 97b7579f77SDag-Erling Smørgrav cfg->num_threads = 1; 98b7579f77SDag-Erling Smørgrav cfg->port = UNBOUND_DNS_PORT; 99b7579f77SDag-Erling Smørgrav cfg->do_ip4 = 1; 100b7579f77SDag-Erling Smørgrav cfg->do_ip6 = 1; 101b7579f77SDag-Erling Smørgrav cfg->do_udp = 1; 102b7579f77SDag-Erling Smørgrav cfg->do_tcp = 1; 103b7579f77SDag-Erling Smørgrav cfg->tcp_upstream = 0; 104f61ef7f6SDag-Erling Smørgrav cfg->tcp_mss = 0; 105f61ef7f6SDag-Erling Smørgrav cfg->outgoing_tcp_mss = 0; 106b7579f77SDag-Erling Smørgrav cfg->ssl_service_key = NULL; 107b7579f77SDag-Erling Smørgrav cfg->ssl_service_pem = NULL; 10805ab2901SDag-Erling Smørgrav cfg->ssl_port = 853; 109b7579f77SDag-Erling Smørgrav cfg->ssl_upstream = 0; 110b7579f77SDag-Erling Smørgrav cfg->use_syslog = 1; 111bc892140SDag-Erling Smørgrav cfg->log_identity = NULL; /* changed later with argv[0] */ 112b7579f77SDag-Erling Smørgrav cfg->log_time_ascii = 0; 113b7579f77SDag-Erling Smørgrav cfg->log_queries = 0; 1143005e0a3SDag-Erling Smørgrav cfg->log_replies = 0; 115b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 116b7579f77SDag-Erling Smørgrav # ifdef USE_MINI_EVENT 117b7579f77SDag-Erling Smørgrav /* select max 1024 sockets */ 118b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 960; 119b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 512; 120b7579f77SDag-Erling Smørgrav # else 121b7579f77SDag-Erling Smørgrav /* libevent can use many sockets */ 122b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 4096; 123b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 1024; 124b7579f77SDag-Erling Smørgrav # endif 125b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 10; 126b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 10; 127b7579f77SDag-Erling Smørgrav #else 128b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ 129b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 24; 130b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ 131b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 2; 132b7579f77SDag-Erling Smørgrav #endif 133b7579f77SDag-Erling Smørgrav cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */ 134b7579f77SDag-Erling Smørgrav cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ 135b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 4 * 1024 * 1024; 136b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 4; 137b7579f77SDag-Erling Smørgrav cfg->jostle_time = 200; 138b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 4 * 1024 * 1024; 139b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 4; 140b7579f77SDag-Erling Smørgrav cfg->host_ttl = 900; 141b7579f77SDag-Erling Smørgrav cfg->bogus_ttl = 60; 142b7579f77SDag-Erling Smørgrav cfg->min_ttl = 0; 143b7579f77SDag-Erling Smørgrav cfg->max_ttl = 3600 * 24; 14409a3aaf3SDag-Erling Smørgrav cfg->max_negative_ttl = 3600; 145b7579f77SDag-Erling Smørgrav cfg->prefetch = 0; 146b7579f77SDag-Erling Smørgrav cfg->prefetch_key = 0; 147b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 4; 148b7579f77SDag-Erling Smørgrav cfg->infra_cache_numhosts = 10000; 1496480faa8SDag-Erling Smørgrav cfg->infra_cache_min_rtt = 50; 15017d15b25SDag-Erling Smørgrav cfg->delay_close = 0; 151b7579f77SDag-Erling Smørgrav if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) 152b7579f77SDag-Erling Smørgrav goto error_exit; 153b7579f77SDag-Erling Smørgrav init_outgoing_availports(cfg->outgoing_avail_ports, 65536); 154b7579f77SDag-Erling Smørgrav if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; 155b7579f77SDag-Erling Smørgrav #ifdef HAVE_CHROOT 156b7579f77SDag-Erling Smørgrav if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; 157b7579f77SDag-Erling Smørgrav #endif 158b7579f77SDag-Erling Smørgrav if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; 159b7579f77SDag-Erling Smørgrav if(!(cfg->logfile = strdup(""))) goto error_exit; 160b7579f77SDag-Erling Smørgrav if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; 161b7579f77SDag-Erling Smørgrav if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; 162b7579f77SDag-Erling Smørgrav cfg->donotqueryaddrs = NULL; 163b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 1; 164b7579f77SDag-Erling Smørgrav cfg->root_hints = NULL; 1653005e0a3SDag-Erling Smørgrav cfg->use_systemd = 0; 166b7579f77SDag-Erling Smørgrav cfg->do_daemonize = 1; 167b7579f77SDag-Erling Smørgrav cfg->if_automatic = 0; 168b7579f77SDag-Erling Smørgrav cfg->so_rcvbuf = 0; 169b7579f77SDag-Erling Smørgrav cfg->so_sndbuf = 0; 17017d15b25SDag-Erling Smørgrav cfg->so_reuseport = 0; 17109a3aaf3SDag-Erling Smørgrav cfg->ip_transparent = 0; 172e2d15004SDag-Erling Smørgrav cfg->ip_freebind = 0; 173b7579f77SDag-Erling Smørgrav cfg->num_ifs = 0; 174b7579f77SDag-Erling Smørgrav cfg->ifs = NULL; 175b7579f77SDag-Erling Smørgrav cfg->num_out_ifs = 0; 176b7579f77SDag-Erling Smørgrav cfg->out_ifs = NULL; 177b7579f77SDag-Erling Smørgrav cfg->stubs = NULL; 178b7579f77SDag-Erling Smørgrav cfg->forwards = NULL; 17965b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 18065b390aaSDag-Erling Smørgrav cfg->client_subnet = NULL; 181*c7f4d7adSDag-Erling Smørgrav cfg->client_subnet_zone = NULL; 18265b390aaSDag-Erling Smørgrav cfg->client_subnet_opcode = LDNS_EDNS_CLIENT_SUBNET; 18365b390aaSDag-Erling Smørgrav cfg->client_subnet_always_forward = 0; 18465b390aaSDag-Erling Smørgrav cfg->max_client_subnet_ipv4 = 24; 18565b390aaSDag-Erling Smørgrav cfg->max_client_subnet_ipv6 = 56; 18665b390aaSDag-Erling Smørgrav #endif 187bc892140SDag-Erling Smørgrav cfg->views = NULL; 188b7579f77SDag-Erling Smørgrav cfg->acls = NULL; 189b7579f77SDag-Erling Smørgrav cfg->harden_short_bufsize = 0; 190b7579f77SDag-Erling Smørgrav cfg->harden_large_queries = 0; 191b7579f77SDag-Erling Smørgrav cfg->harden_glue = 1; 192b7579f77SDag-Erling Smørgrav cfg->harden_dnssec_stripped = 1; 193b7579f77SDag-Erling Smørgrav cfg->harden_below_nxdomain = 0; 194b7579f77SDag-Erling Smørgrav cfg->harden_referral_path = 0; 195b75612f8SDag-Erling Smørgrav cfg->harden_algo_downgrade = 0; 196b7579f77SDag-Erling Smørgrav cfg->use_caps_bits_for_id = 0; 19709a3aaf3SDag-Erling Smørgrav cfg->caps_whitelist = NULL; 198b7579f77SDag-Erling Smørgrav cfg->private_address = NULL; 199b7579f77SDag-Erling Smørgrav cfg->private_domain = NULL; 200b7579f77SDag-Erling Smørgrav cfg->unwanted_threshold = 0; 201b7579f77SDag-Erling Smørgrav cfg->hide_identity = 0; 202b7579f77SDag-Erling Smørgrav cfg->hide_version = 0; 20365b390aaSDag-Erling Smørgrav cfg->hide_trustanchor = 0; 204b7579f77SDag-Erling Smørgrav cfg->identity = NULL; 205b7579f77SDag-Erling Smørgrav cfg->version = NULL; 206b7579f77SDag-Erling Smørgrav cfg->auto_trust_anchor_file_list = NULL; 207b7579f77SDag-Erling Smørgrav cfg->trust_anchor_file_list = NULL; 208b7579f77SDag-Erling Smørgrav cfg->trust_anchor_list = NULL; 209b7579f77SDag-Erling Smørgrav cfg->trusted_keys_file_list = NULL; 210*c7f4d7adSDag-Erling Smørgrav cfg->trust_anchor_signaling = 0; 211b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_file = NULL; 212b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_list = NULL; 213b7579f77SDag-Erling Smørgrav cfg->domain_insecure = NULL; 214b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 215b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ 216b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ 217b7579f77SDag-Erling Smørgrav cfg->val_clean_additional = 1; 218b7579f77SDag-Erling Smørgrav cfg->val_log_level = 0; 219b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 0; 220b7579f77SDag-Erling Smørgrav cfg->val_permissive_mode = 0; 221b7579f77SDag-Erling Smørgrav cfg->ignore_cd = 0; 222bc892140SDag-Erling Smørgrav cfg->serve_expired = 0; 223b7579f77SDag-Erling Smørgrav cfg->add_holddown = 30*24*3600; 224b7579f77SDag-Erling Smørgrav cfg->del_holddown = 30*24*3600; 225b7579f77SDag-Erling Smørgrav cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ 226b75612f8SDag-Erling Smørgrav cfg->permit_small_holddown = 0; 227b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 4 * 1024 * 1024; 228b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 4; 229b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 1 * 1024 * 1024; 230b7579f77SDag-Erling Smørgrav cfg->local_zones = NULL; 231b7579f77SDag-Erling Smørgrav cfg->local_zones_nodefault = NULL; 232*c7f4d7adSDag-Erling Smørgrav cfg->local_zones_disable_default = 0; 233b7579f77SDag-Erling Smørgrav cfg->local_data = NULL; 234b5663de9SDag-Erling Smørgrav cfg->local_zone_overrides = NULL; 235c536e4dcSDag-Erling Smørgrav cfg->unblock_lan_zones = 0; 2360de4f1bfSDag-Erling Smørgrav cfg->insecure_lan_zones = 0; 237b7579f77SDag-Erling Smørgrav cfg->python_script = NULL; 238b7579f77SDag-Erling Smørgrav cfg->remote_control_enable = 0; 239b7579f77SDag-Erling Smørgrav cfg->control_ifs = NULL; 240b7579f77SDag-Erling Smørgrav cfg->control_port = UNBOUND_CONTROL_PORT; 241748bd829SDag-Erling Smørgrav cfg->remote_control_use_cert = 1; 242b7579f77SDag-Erling Smørgrav cfg->minimal_responses = 0; 243b7579f77SDag-Erling Smørgrav cfg->rrset_roundrobin = 0; 24417d15b25SDag-Erling Smørgrav cfg->max_udp_size = 4096; 245b7579f77SDag-Erling Smørgrav if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) 246b7579f77SDag-Erling Smørgrav goto error_exit; 247b7579f77SDag-Erling Smørgrav if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) 248b7579f77SDag-Erling Smørgrav goto error_exit; 249b7579f77SDag-Erling Smørgrav if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) 250b7579f77SDag-Erling Smørgrav goto error_exit; 251b7579f77SDag-Erling Smørgrav if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) 252b7579f77SDag-Erling Smørgrav goto error_exit; 253b7579f77SDag-Erling Smørgrav 25465b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 25565b390aaSDag-Erling Smørgrav if(!(cfg->module_conf = strdup("subnetcache validator iterator"))) goto error_exit; 25665b390aaSDag-Erling Smørgrav #else 257b7579f77SDag-Erling Smørgrav if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; 25865b390aaSDag-Erling Smørgrav #endif 259b7579f77SDag-Erling Smørgrav if(!(cfg->val_nsec3_key_iterations = 260b7579f77SDag-Erling Smørgrav strdup("1024 150 2048 500 4096 2500"))) goto error_exit; 261ff825849SDag-Erling Smørgrav #if defined(DNSTAP_SOCKET_PATH) 262ff825849SDag-Erling Smørgrav if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) 263ff825849SDag-Erling Smørgrav goto error_exit; 264ff825849SDag-Erling Smørgrav #endif 265e2d15004SDag-Erling Smørgrav cfg->disable_dnssec_lame_check = 0; 2663005e0a3SDag-Erling Smørgrav cfg->ip_ratelimit = 0; 26709a3aaf3SDag-Erling Smørgrav cfg->ratelimit = 0; 2683005e0a3SDag-Erling Smørgrav cfg->ip_ratelimit_slabs = 4; 26909a3aaf3SDag-Erling Smørgrav cfg->ratelimit_slabs = 4; 2703005e0a3SDag-Erling Smørgrav cfg->ip_ratelimit_size = 4*1024*1024; 27109a3aaf3SDag-Erling Smørgrav cfg->ratelimit_size = 4*1024*1024; 27209a3aaf3SDag-Erling Smørgrav cfg->ratelimit_for_domain = NULL; 27309a3aaf3SDag-Erling Smørgrav cfg->ratelimit_below_domain = NULL; 2743005e0a3SDag-Erling Smørgrav cfg->ip_ratelimit_factor = 10; 27509a3aaf3SDag-Erling Smørgrav cfg->ratelimit_factor = 10; 27605ab2901SDag-Erling Smørgrav cfg->qname_minimisation = 0; 277bc892140SDag-Erling Smørgrav cfg->qname_minimisation_strict = 0; 27865b390aaSDag-Erling Smørgrav cfg->shm_enable = 0; 27965b390aaSDag-Erling Smørgrav cfg->shm_key = 11777; 28065b390aaSDag-Erling Smørgrav cfg->dnscrypt = 0; 28165b390aaSDag-Erling Smørgrav cfg->dnscrypt_port = 0; 28265b390aaSDag-Erling Smørgrav cfg->dnscrypt_provider = NULL; 28365b390aaSDag-Erling Smørgrav cfg->dnscrypt_provider_cert = NULL; 28465b390aaSDag-Erling Smørgrav cfg->dnscrypt_secret_key = NULL; 285*c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 286*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_enabled = 1; 287*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_ignore_bogus = 0; 288*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_hook = NULL; 289*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_max_ttl = 3600; 290*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_whitelist = NULL; 291*c7f4d7adSDag-Erling Smørgrav cfg->ipsecmod_strict = 0; 292*c7f4d7adSDag-Erling Smørgrav #endif 293b7579f77SDag-Erling Smørgrav return cfg; 294b7579f77SDag-Erling Smørgrav error_exit: 295b7579f77SDag-Erling Smørgrav config_delete(cfg); 296b7579f77SDag-Erling Smørgrav return NULL; 297b7579f77SDag-Erling Smørgrav } 298b7579f77SDag-Erling Smørgrav 299b7579f77SDag-Erling Smørgrav struct config_file* config_create_forlib(void) 300b7579f77SDag-Erling Smørgrav { 301b7579f77SDag-Erling Smørgrav struct config_file* cfg = config_create(); 302b7579f77SDag-Erling Smørgrav if(!cfg) return NULL; 303b7579f77SDag-Erling Smørgrav /* modifications for library use, less verbose, less memory */ 304b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 305b7579f77SDag-Erling Smørgrav cfg->chrootdir = NULL; 306b7579f77SDag-Erling Smørgrav cfg->verbosity = 0; 307b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' 308b7579f77SDag-Erling Smørgrav and probably within the ulimit(maxfds) of the user */ 309b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; 310b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 1024*1024; 311b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 1; 312b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 1024*1024; 313b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 1; 314b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 1; 315b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 316b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 1024*1024; 317b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 1; 318b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 100 * 1024; 319b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 0; /* allow, so that you can ask a 320b7579f77SDag-Erling Smørgrav forward nameserver running on localhost */ 321b7579f77SDag-Erling Smørgrav cfg->val_log_level = 2; /* to fill why_bogus with */ 322b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 1; 323b7579f77SDag-Erling Smørgrav return cfg; 324b7579f77SDag-Erling Smørgrav } 325b7579f77SDag-Erling Smørgrav 326b7579f77SDag-Erling Smørgrav /** check that the value passed is >= 0 */ 327b7579f77SDag-Erling Smørgrav #define IS_NUMBER_OR_ZERO \ 328b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 329b7579f77SDag-Erling Smørgrav /** check that the value passed is > 0 */ 330b7579f77SDag-Erling Smørgrav #define IS_NONZERO_NUMBER \ 331b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0 332b7579f77SDag-Erling Smørgrav /** check that the value passed is not 0 and a power of 2 */ 333b7579f77SDag-Erling Smørgrav #define IS_POW2_NUMBER \ 334b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 335b7579f77SDag-Erling Smørgrav /** check that the value passed is yes or no */ 336b7579f77SDag-Erling Smørgrav #define IS_YES_OR_NO \ 337b7579f77SDag-Erling Smørgrav if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 338b7579f77SDag-Erling Smørgrav /** put integer_or_zero into variable */ 339b7579f77SDag-Erling Smørgrav #define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 340b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } 341b7579f77SDag-Erling Smørgrav /** put integer_nonzero into variable */ 342b7579f77SDag-Erling Smørgrav #define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 343b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = atoi(val); } 344b7579f77SDag-Erling Smørgrav /** put integer_or_zero into unsigned */ 345b7579f77SDag-Erling Smørgrav #define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 346b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } 347b7579f77SDag-Erling Smørgrav /** put integer_or_zero into size_t */ 348b7579f77SDag-Erling Smørgrav #define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 349b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } 350b7579f77SDag-Erling Smørgrav /** put integer_nonzero into size_t */ 351b7579f77SDag-Erling Smørgrav #define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 352b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } 353b7579f77SDag-Erling Smørgrav /** put yesno into variable */ 354b7579f77SDag-Erling Smørgrav #define S_YNO(str, var) if(strcmp(opt, str) == 0) \ 355b7579f77SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } 356b7579f77SDag-Erling Smørgrav /** put memsize into variable */ 357b7579f77SDag-Erling Smørgrav #define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ 358b7579f77SDag-Erling Smørgrav { return cfg_parse_memsize(val, &cfg->var); } 359b7579f77SDag-Erling Smørgrav /** put pow2 number into variable */ 360b7579f77SDag-Erling Smørgrav #define S_POW2(str, var) if(strcmp(opt, str)==0) \ 361b7579f77SDag-Erling Smørgrav { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } 362b7579f77SDag-Erling Smørgrav /** put string into variable */ 363b7579f77SDag-Erling Smørgrav #define S_STR(str, var) if(strcmp(opt, str)==0) \ 364b7579f77SDag-Erling Smørgrav { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } 365b7579f77SDag-Erling Smørgrav /** put string into strlist */ 366b7579f77SDag-Erling Smørgrav #define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ 367b7579f77SDag-Erling Smørgrav { return cfg_strlist_insert(&cfg->var, strdup(val)); } 368b7579f77SDag-Erling Smørgrav 369b7579f77SDag-Erling Smørgrav int config_set_option(struct config_file* cfg, const char* opt, 370b7579f77SDag-Erling Smørgrav const char* val) 371b7579f77SDag-Erling Smørgrav { 372b7579f77SDag-Erling Smørgrav S_NUMBER_OR_ZERO("verbosity:", verbosity) 373b7579f77SDag-Erling Smørgrav else if(strcmp(opt, "statistics-interval:") == 0) { 374b7579f77SDag-Erling Smørgrav if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) 375b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 376b7579f77SDag-Erling Smørgrav else if(atoi(val) == 0) 377b7579f77SDag-Erling Smørgrav return 0; 378b7579f77SDag-Erling Smørgrav else cfg->stat_interval = atoi(val); 379b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "num_threads:") == 0) { 380b7579f77SDag-Erling Smørgrav /* not supported, library must have 1 thread in bgworker */ 381b7579f77SDag-Erling Smørgrav return 0; 382b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-permit:") == 0) { 383b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 1, 384b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 385b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { 386b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 0, 387b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 388b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-zone:") == 0) { 389b7579f77SDag-Erling Smørgrav return cfg_parse_local_zone(cfg, val); 390b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "val-override-date:") == 0) { 391b7579f77SDag-Erling Smørgrav if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { 392b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 393b7579f77SDag-Erling Smørgrav } else if(strlen(val) == 14) { 394b7579f77SDag-Erling Smørgrav cfg->val_date_override = cfg_convert_timeval(val); 395b7579f77SDag-Erling Smørgrav return cfg->val_date_override != 0; 396b7579f77SDag-Erling Smørgrav } else { 397b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0; 398b7579f77SDag-Erling Smørgrav cfg->val_date_override = (uint32_t)atoi(val); 399b7579f77SDag-Erling Smørgrav } 400b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-data-ptr:") == 0) { 401b7579f77SDag-Erling Smørgrav char* ptr = cfg_ptr_reverse((char*)opt); 402b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_data, ptr); 403b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "logfile:") == 0) { 404b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 405b7579f77SDag-Erling Smørgrav free(cfg->logfile); 406b7579f77SDag-Erling Smørgrav return (cfg->logfile = strdup(val)) != NULL; 407b7579f77SDag-Erling Smørgrav } 40817d15b25SDag-Erling Smørgrav else if(strcmp(opt, "log-time-ascii:") == 0) 40917d15b25SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); 41017d15b25SDag-Erling Smørgrav log_set_time_asc(cfg->log_time_ascii); } 41117d15b25SDag-Erling Smørgrav else S_SIZET_NONZERO("max-udp-size:", max_udp_size) 412b7579f77SDag-Erling Smørgrav else S_YNO("use-syslog:", use_syslog) 413bc892140SDag-Erling Smørgrav else S_STR("log-identity:", log_identity) 414b7579f77SDag-Erling Smørgrav else S_YNO("extended-statistics:", stat_extended) 415b7579f77SDag-Erling Smørgrav else S_YNO("statistics-cumulative:", stat_cumulative) 41665b390aaSDag-Erling Smørgrav else S_YNO("shm-enable:", shm_enable) 41765b390aaSDag-Erling Smørgrav else S_NUMBER_OR_ZERO("shm-key:", shm_key) 418b7579f77SDag-Erling Smørgrav else S_YNO("do-ip4:", do_ip4) 419b7579f77SDag-Erling Smørgrav else S_YNO("do-ip6:", do_ip6) 420b7579f77SDag-Erling Smørgrav else S_YNO("do-udp:", do_udp) 421b7579f77SDag-Erling Smørgrav else S_YNO("do-tcp:", do_tcp) 422b7579f77SDag-Erling Smørgrav else S_YNO("tcp-upstream:", tcp_upstream) 423f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) 424f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) 425b7579f77SDag-Erling Smørgrav else S_YNO("ssl-upstream:", ssl_upstream) 426b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-key:", ssl_service_key) 427b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-pem:", ssl_service_pem) 428b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("ssl-port:", ssl_port) 429b7579f77SDag-Erling Smørgrav else S_YNO("interface-automatic:", if_automatic) 4303005e0a3SDag-Erling Smørgrav else S_YNO("use-systemd:", use_systemd) 431b7579f77SDag-Erling Smørgrav else S_YNO("do-daemonize:", do_daemonize) 432b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("port:", port) 433b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) 434b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) 435b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) 436b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) 437b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) 438b7579f77SDag-Erling Smørgrav else S_MEMSIZE("msg-cache-size:", msg_cache_size) 439b7579f77SDag-Erling Smørgrav else S_POW2("msg-cache-slabs:", msg_cache_slabs) 440b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) 441b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) 442b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) 443b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-sndbuf:", so_sndbuf) 44417d15b25SDag-Erling Smørgrav else S_YNO("so-reuseport:", so_reuseport) 44509a3aaf3SDag-Erling Smørgrav else S_YNO("ip-transparent:", ip_transparent) 446e2d15004SDag-Erling Smørgrav else S_YNO("ip-freebind:", ip_freebind) 447b7579f77SDag-Erling Smørgrav else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) 448b7579f77SDag-Erling Smørgrav else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) 449b7579f77SDag-Erling Smørgrav else S_YNO("prefetch:", prefetch) 450b7579f77SDag-Erling Smørgrav else S_YNO("prefetch-key:", prefetch_key) 45117d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-ttl:") == 0) 45217d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} 45309a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-negative-ttl:") == 0) 45409a3aaf3SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} 45517d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-min-ttl:") == 0) 45617d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} 4576480faa8SDag-Erling Smørgrav else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { 4586480faa8SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); 4596480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; 4606480faa8SDag-Erling Smørgrav } 461b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) 462b7579f77SDag-Erling Smørgrav else S_POW2("infra-cache-slabs:", infra_cache_slabs) 463b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) 46417d15b25SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("delay-close:", delay_close) 465b7579f77SDag-Erling Smørgrav else S_STR("chroot:", chrootdir) 466b7579f77SDag-Erling Smørgrav else S_STR("username:", username) 467b7579f77SDag-Erling Smørgrav else S_STR("directory:", directory) 468b7579f77SDag-Erling Smørgrav else S_STR("pidfile:", pidfile) 469b7579f77SDag-Erling Smørgrav else S_YNO("hide-identity:", hide_identity) 470b7579f77SDag-Erling Smørgrav else S_YNO("hide-version:", hide_version) 47165b390aaSDag-Erling Smørgrav else S_YNO("hide-trustanchor:", hide_trustanchor) 472b7579f77SDag-Erling Smørgrav else S_STR("identity:", identity) 473b7579f77SDag-Erling Smørgrav else S_STR("version:", version) 474b7579f77SDag-Erling Smørgrav else S_STRLIST("root-hints:", root_hints) 475b7579f77SDag-Erling Smørgrav else S_STR("target-fetch-policy:", target_fetch_policy) 476b7579f77SDag-Erling Smørgrav else S_YNO("harden-glue:", harden_glue) 477b7579f77SDag-Erling Smørgrav else S_YNO("harden-short-bufsize:", harden_short_bufsize) 478b7579f77SDag-Erling Smørgrav else S_YNO("harden-large-queries:", harden_large_queries) 479b7579f77SDag-Erling Smørgrav else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) 480b7579f77SDag-Erling Smørgrav else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) 481b7579f77SDag-Erling Smørgrav else S_YNO("harden-referral-path:", harden_referral_path) 48209a3aaf3SDag-Erling Smørgrav else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) 483b7579f77SDag-Erling Smørgrav else S_YNO("use-caps-for-id", use_caps_bits_for_id) 48409a3aaf3SDag-Erling Smørgrav else S_STRLIST("caps-whitelist:", caps_whitelist) 485b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) 486b7579f77SDag-Erling Smørgrav else S_STRLIST("private-address:", private_address) 487b7579f77SDag-Erling Smørgrav else S_STRLIST("private-domain:", private_domain) 488b7579f77SDag-Erling Smørgrav else S_YNO("do-not-query-localhost:", donotquery_localhost) 489b7579f77SDag-Erling Smørgrav else S_STRLIST("do-not-query-address:", donotqueryaddrs) 490b7579f77SDag-Erling Smørgrav else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) 491b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) 492b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor:", trust_anchor_list) 493b7579f77SDag-Erling Smørgrav else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) 494*c7f4d7adSDag-Erling Smørgrav else S_YNO("trust-anchor-signaling:", trust_anchor_signaling) 495b7579f77SDag-Erling Smørgrav else S_STR("dlv-anchor-file:", dlv_anchor_file) 496b7579f77SDag-Erling Smørgrav else S_STRLIST("dlv-anchor:", dlv_anchor_list) 497b7579f77SDag-Erling Smørgrav else S_STRLIST("domain-insecure:", domain_insecure) 498b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) 499b7579f77SDag-Erling Smørgrav else S_YNO("val-clean-additional:", val_clean_additional) 500b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) 501b7579f77SDag-Erling Smørgrav else S_YNO("val-log-squelch:", val_log_squelch) 502b7579f77SDag-Erling Smørgrav else S_YNO("log-queries:", log_queries) 5033005e0a3SDag-Erling Smørgrav else S_YNO("log-replies:", log_replies) 504b7579f77SDag-Erling Smørgrav else S_YNO("val-permissive-mode:", val_permissive_mode) 505b7579f77SDag-Erling Smørgrav else S_YNO("ignore-cd-flag:", ignore_cd) 506bc892140SDag-Erling Smørgrav else S_YNO("serve-expired:", serve_expired) 507b7579f77SDag-Erling Smørgrav else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) 508b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) 509b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) 510b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) 511b75612f8SDag-Erling Smørgrav else if(strcmp(opt, "permit-small-holddown:") == 0) 512b75612f8SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); 513b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = cfg->permit_small_holddown; } 514b7579f77SDag-Erling Smørgrav else S_MEMSIZE("key-cache-size:", key_cache_size) 515b7579f77SDag-Erling Smørgrav else S_POW2("key-cache-slabs:", key_cache_slabs) 516b7579f77SDag-Erling Smørgrav else S_MEMSIZE("neg-cache-size:", neg_cache_size) 517b7579f77SDag-Erling Smørgrav else S_YNO("minimal-responses:", minimal_responses) 518b7579f77SDag-Erling Smørgrav else S_YNO("rrset-roundrobin:", rrset_roundrobin) 519b7579f77SDag-Erling Smørgrav else S_STRLIST("local-data:", local_data) 520c536e4dcSDag-Erling Smørgrav else S_YNO("unblock-lan-zones:", unblock_lan_zones) 5210de4f1bfSDag-Erling Smørgrav else S_YNO("insecure-lan-zones:", insecure_lan_zones) 522b7579f77SDag-Erling Smørgrav else S_YNO("control-enable:", remote_control_enable) 523b7579f77SDag-Erling Smørgrav else S_STRLIST("control-interface:", control_ifs) 524b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("control-port:", control_port) 525b7579f77SDag-Erling Smørgrav else S_STR("server-key-file:", server_key_file) 526b7579f77SDag-Erling Smørgrav else S_STR("server-cert-file:", server_cert_file) 527b7579f77SDag-Erling Smørgrav else S_STR("control-key-file:", control_key_file) 528b7579f77SDag-Erling Smørgrav else S_STR("control-cert-file:", control_cert_file) 529b7579f77SDag-Erling Smørgrav else S_STR("module-config:", module_conf) 530b7579f77SDag-Erling Smørgrav else S_STR("python-script:", python_script) 531e2d15004SDag-Erling Smørgrav else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) 53265b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 53365b390aaSDag-Erling Smørgrav /* Can't set max subnet prefix here, since that value is used when 53465b390aaSDag-Erling Smørgrav * generating the address tree. */ 53565b390aaSDag-Erling Smørgrav /* No client-subnet-always-forward here, module registration depends on 53665b390aaSDag-Erling Smørgrav * this option. */ 53765b390aaSDag-Erling Smørgrav #endif 538*c7f4d7adSDag-Erling Smørgrav #ifdef USE_DNSTAP 539*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-enable:", dnstap) 540*c7f4d7adSDag-Erling Smørgrav else S_STR("dnstap-socket-path:", dnstap_socket_path) 541*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-send-identity:", dnstap_send_identity) 542*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-send-version:", dnstap_send_version) 543*c7f4d7adSDag-Erling Smørgrav else S_STR("dnstap-identity:", dnstap_identity) 544*c7f4d7adSDag-Erling Smørgrav else S_STR("dnstap-version:", dnstap_version) 545*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-resolver-query-messages:", 546*c7f4d7adSDag-Erling Smørgrav dnstap_log_resolver_query_messages) 547*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-resolver-response-messages:", 548*c7f4d7adSDag-Erling Smørgrav dnstap_log_resolver_response_messages) 549*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-client-query-messages:", 550*c7f4d7adSDag-Erling Smørgrav dnstap_log_client_query_messages) 551*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-client-response-messages:", 552*c7f4d7adSDag-Erling Smørgrav dnstap_log_client_response_messages) 553*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-forwarder-query-messages:", 554*c7f4d7adSDag-Erling Smørgrav dnstap_log_forwarder_query_messages) 555*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnstap-log-forwarder-response-messages:", 556*c7f4d7adSDag-Erling Smørgrav dnstap_log_forwarder_response_messages) 557*c7f4d7adSDag-Erling Smørgrav #endif 558*c7f4d7adSDag-Erling Smørgrav #ifdef USE_DNSCRYPT 559*c7f4d7adSDag-Erling Smørgrav else S_YNO("dnscrypt-enable:", dnscrypt) 560*c7f4d7adSDag-Erling Smørgrav else S_NUMBER_NONZERO("dnscrypt-port:", dnscrypt_port) 561*c7f4d7adSDag-Erling Smørgrav else S_STR("dnscrypt-provider:", dnscrypt_provider) 562*c7f4d7adSDag-Erling Smørgrav else S_STRLIST("dnscrypt-provider-cert:", dnscrypt_provider_cert) 563*c7f4d7adSDag-Erling Smørgrav else S_STRLIST("dnscrypt-secret-key:", dnscrypt_secret_key) 564*c7f4d7adSDag-Erling Smørgrav #endif 5653005e0a3SDag-Erling Smørgrav else if(strcmp(opt, "ip-ratelimit:") == 0) { 5663005e0a3SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->ip_ratelimit = atoi(val); 5673005e0a3SDag-Erling Smørgrav infra_ip_ratelimit=cfg->ip_ratelimit; 5683005e0a3SDag-Erling Smørgrav } 56909a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "ratelimit:") == 0) { 57009a3aaf3SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); 57109a3aaf3SDag-Erling Smørgrav infra_dp_ratelimit=cfg->ratelimit; 57209a3aaf3SDag-Erling Smørgrav } 5733005e0a3SDag-Erling Smørgrav else S_MEMSIZE("ip-ratelimit-size:", ip_ratelimit_size) 57409a3aaf3SDag-Erling Smørgrav else S_MEMSIZE("ratelimit-size:", ratelimit_size) 5753005e0a3SDag-Erling Smørgrav else S_POW2("ip-ratelimit-slabs:", ip_ratelimit_slabs) 57609a3aaf3SDag-Erling Smørgrav else S_POW2("ratelimit-slabs:", ratelimit_slabs) 5773005e0a3SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("ip-ratelimit-factor:", ip_ratelimit_factor) 57809a3aaf3SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) 57905ab2901SDag-Erling Smørgrav else S_YNO("qname-minimisation:", qname_minimisation) 580bc892140SDag-Erling Smørgrav else S_YNO("qname-minimisation-strict:", qname_minimisation_strict) 581*c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 582*c7f4d7adSDag-Erling Smørgrav else S_YNO("ipsecmod-enabled:", ipsecmod_enabled) 583*c7f4d7adSDag-Erling Smørgrav else S_YNO("ipsecmod-ignore-bogus:", ipsecmod_ignore_bogus) 584*c7f4d7adSDag-Erling Smørgrav else if(strcmp(opt, "ipsecmod-max-ttl:") == 0) 585*c7f4d7adSDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->ipsecmod_max_ttl = atoi(val); } 586*c7f4d7adSDag-Erling Smørgrav else S_YNO("ipsecmod-strict:", ipsecmod_strict) 587*c7f4d7adSDag-Erling Smørgrav #endif 588e2d15004SDag-Erling Smørgrav else if(strcmp(opt, "define-tag:") ==0) { 589e2d15004SDag-Erling Smørgrav return config_add_tag(cfg, val); 59017d15b25SDag-Erling Smørgrav /* val_sig_skew_min and max are copied into val_env during init, 59117d15b25SDag-Erling Smørgrav * so this does not update val_env with set_option */ 592e2d15004SDag-Erling Smørgrav } else if(strcmp(opt, "val-sig-skew-min:") == 0) 59317d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } 59417d15b25SDag-Erling Smørgrav else if(strcmp(opt, "val-sig-skew-max:") == 0) 59517d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } 596b7579f77SDag-Erling Smørgrav else if (strcmp(opt, "outgoing-interface:") == 0) { 597b7579f77SDag-Erling Smørgrav char* d = strdup(val); 59809a3aaf3SDag-Erling Smørgrav char** oi = 59909a3aaf3SDag-Erling Smørgrav (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); 600b7579f77SDag-Erling Smørgrav if(!d || !oi) { free(d); free(oi); return -1; } 601b7579f77SDag-Erling Smørgrav if(cfg->out_ifs && cfg->num_out_ifs) { 602b7579f77SDag-Erling Smørgrav memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); 603b7579f77SDag-Erling Smørgrav free(cfg->out_ifs); 604b7579f77SDag-Erling Smørgrav } 605b7579f77SDag-Erling Smørgrav oi[cfg->num_out_ifs++] = d; 606b7579f77SDag-Erling Smørgrav cfg->out_ifs = oi; 607b7579f77SDag-Erling Smørgrav } else { 608b7579f77SDag-Erling Smørgrav /* unknown or unsupported (from the set_option interface): 609b7579f77SDag-Erling Smørgrav * interface, outgoing-interface, access-control, 610b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 611bc892140SDag-Erling Smørgrav * forward-first, stub-first, forward-ssl-upstream, 612bc892140SDag-Erling Smørgrav * stub-ssl-upstream, forward-zone, 613bc892140SDag-Erling Smørgrav * name, forward-addr, forward-host, 614e2d15004SDag-Erling Smørgrav * ratelimit-for-domain, ratelimit-below-domain, 615*c7f4d7adSDag-Erling Smørgrav * local-zone-tag, access-control-view, 616*c7f4d7adSDag-Erling Smørgrav * send-client-subnet, client-subnet-always-forward, 617*c7f4d7adSDag-Erling Smørgrav * max-client-subnet-ipv4, max-client-subnet-ipv6, ipsecmod_hook, 618*c7f4d7adSDag-Erling Smørgrav * ipsecmod_whitelist. */ 619b7579f77SDag-Erling Smørgrav return 0; 620b7579f77SDag-Erling Smørgrav } 621b7579f77SDag-Erling Smørgrav return 1; 622b7579f77SDag-Erling Smørgrav } 623b7579f77SDag-Erling Smørgrav 624b7579f77SDag-Erling Smørgrav void config_print_func(char* line, void* arg) 625b7579f77SDag-Erling Smørgrav { 626b7579f77SDag-Erling Smørgrav FILE* f = (FILE*)arg; 627b7579f77SDag-Erling Smørgrav (void)fprintf(f, "%s\n", line); 628b7579f77SDag-Erling Smørgrav } 629b7579f77SDag-Erling Smørgrav 630b7579f77SDag-Erling Smørgrav /** collate func arg */ 631b7579f77SDag-Erling Smørgrav struct config_collate_arg { 632b7579f77SDag-Erling Smørgrav /** list of result items */ 633b7579f77SDag-Erling Smørgrav struct config_strlist_head list; 634b7579f77SDag-Erling Smørgrav /** if a malloc error occurred, 0 is OK */ 635b7579f77SDag-Erling Smørgrav int status; 636b7579f77SDag-Erling Smørgrav }; 637b7579f77SDag-Erling Smørgrav 638b7579f77SDag-Erling Smørgrav void config_collate_func(char* line, void* arg) 639b7579f77SDag-Erling Smørgrav { 640b7579f77SDag-Erling Smørgrav struct config_collate_arg* m = (struct config_collate_arg*)arg; 641b7579f77SDag-Erling Smørgrav if(m->status) 642b7579f77SDag-Erling Smørgrav return; 643b7579f77SDag-Erling Smørgrav if(!cfg_strlist_append(&m->list, strdup(line))) 644b7579f77SDag-Erling Smørgrav m->status = 1; 645b7579f77SDag-Erling Smørgrav } 646b7579f77SDag-Erling Smørgrav 647b7579f77SDag-Erling Smørgrav int config_get_option_list(struct config_file* cfg, const char* opt, 648b7579f77SDag-Erling Smørgrav struct config_strlist** list) 649b7579f77SDag-Erling Smørgrav { 650b7579f77SDag-Erling Smørgrav struct config_collate_arg m; 651b7579f77SDag-Erling Smørgrav memset(&m, 0, sizeof(m)); 652b7579f77SDag-Erling Smørgrav *list = NULL; 653b7579f77SDag-Erling Smørgrav if(!config_get_option(cfg, opt, config_collate_func, &m)) 654b7579f77SDag-Erling Smørgrav return 1; 655b7579f77SDag-Erling Smørgrav if(m.status) { 656b7579f77SDag-Erling Smørgrav config_delstrlist(m.list.first); 657b7579f77SDag-Erling Smørgrav return 2; 658b7579f77SDag-Erling Smørgrav } 659b7579f77SDag-Erling Smørgrav *list = m.list.first; 660b7579f77SDag-Erling Smørgrav return 0; 661b7579f77SDag-Erling Smørgrav } 662b7579f77SDag-Erling Smørgrav 663b7579f77SDag-Erling Smørgrav int 664b7579f77SDag-Erling Smørgrav config_get_option_collate(struct config_file* cfg, const char* opt, char** str) 665b7579f77SDag-Erling Smørgrav { 666b7579f77SDag-Erling Smørgrav struct config_strlist* list = NULL; 667b7579f77SDag-Erling Smørgrav int r; 668b7579f77SDag-Erling Smørgrav *str = NULL; 669b7579f77SDag-Erling Smørgrav if((r = config_get_option_list(cfg, opt, &list)) != 0) 670b7579f77SDag-Erling Smørgrav return r; 671b7579f77SDag-Erling Smørgrav *str = config_collate_cat(list); 672b7579f77SDag-Erling Smørgrav config_delstrlist(list); 673b7579f77SDag-Erling Smørgrav if(!*str) return 2; 674b7579f77SDag-Erling Smørgrav return 0; 675b7579f77SDag-Erling Smørgrav } 676b7579f77SDag-Erling Smørgrav 677b7579f77SDag-Erling Smørgrav char* 678b7579f77SDag-Erling Smørgrav config_collate_cat(struct config_strlist* list) 679b7579f77SDag-Erling Smørgrav { 680b7579f77SDag-Erling Smørgrav size_t total = 0, left; 681b7579f77SDag-Erling Smørgrav struct config_strlist* s; 682b7579f77SDag-Erling Smørgrav char *r, *w; 683b7579f77SDag-Erling Smørgrav if(!list) /* no elements */ 684b7579f77SDag-Erling Smørgrav return strdup(""); 685b7579f77SDag-Erling Smørgrav if(list->next == NULL) /* one element , no newline at end. */ 686b7579f77SDag-Erling Smørgrav return strdup(list->str); 687b7579f77SDag-Erling Smørgrav /* count total length */ 688b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) 689b7579f77SDag-Erling Smørgrav total += strlen(s->str) + 1; /* len + newline */ 690b7579f77SDag-Erling Smørgrav left = total+1; /* one extra for nul at end */ 691b7579f77SDag-Erling Smørgrav r = malloc(left); 692b7579f77SDag-Erling Smørgrav if(!r) 693b7579f77SDag-Erling Smørgrav return NULL; 694b7579f77SDag-Erling Smørgrav w = r; 695b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) { 696b7579f77SDag-Erling Smørgrav size_t this = strlen(s->str); 697b7579f77SDag-Erling Smørgrav if(this+2 > left) { /* sanity check */ 698b7579f77SDag-Erling Smørgrav free(r); 699b7579f77SDag-Erling Smørgrav return NULL; 700b7579f77SDag-Erling Smørgrav } 701b7579f77SDag-Erling Smørgrav snprintf(w, left, "%s\n", s->str); 70217d15b25SDag-Erling Smørgrav this = strlen(w); 70317d15b25SDag-Erling Smørgrav w += this; 70417d15b25SDag-Erling Smørgrav left -= this; 705b7579f77SDag-Erling Smørgrav } 706b7579f77SDag-Erling Smørgrav return r; 707b7579f77SDag-Erling Smørgrav } 708b7579f77SDag-Erling Smørgrav 709b7579f77SDag-Erling Smørgrav /** compare and print decimal option */ 710b7579f77SDag-Erling Smørgrav #define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ 711b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%d", (int)cfg->var); \ 712b7579f77SDag-Erling Smørgrav func(buf, arg);} 713b7579f77SDag-Erling Smørgrav /** compare and print unsigned option */ 714b7579f77SDag-Erling Smørgrav #define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ 715b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%u", (unsigned)cfg->var); \ 716b7579f77SDag-Erling Smørgrav func(buf, arg);} 717b7579f77SDag-Erling Smørgrav /** compare and print yesno option */ 718b7579f77SDag-Erling Smørgrav #define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ 719b7579f77SDag-Erling Smørgrav {func(cfg->var?"yes":"no", arg);} 720b7579f77SDag-Erling Smørgrav /** compare and print string option */ 721b7579f77SDag-Erling Smørgrav #define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ 722b7579f77SDag-Erling Smørgrav {func(cfg->var?cfg->var:"", arg);} 723b7579f77SDag-Erling Smørgrav /** compare and print array option */ 724b7579f77SDag-Erling Smørgrav #define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ 725b7579f77SDag-Erling Smørgrav {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} 726b7579f77SDag-Erling Smørgrav /** compare and print memorysize option */ 727b7579f77SDag-Erling Smørgrav #define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ 728b7579f77SDag-Erling Smørgrav if(cfg->var > 1024*1024*1024) { \ 729b7579f77SDag-Erling Smørgrav size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ 73009a3aaf3SDag-Erling Smørgrav snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ 73109a3aaf3SDag-Erling Smørgrav } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ 732b7579f77SDag-Erling Smørgrav func(buf, arg);} 733b7579f77SDag-Erling Smørgrav /** compare and print list option */ 734b7579f77SDag-Erling Smørgrav #define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ 735b7579f77SDag-Erling Smørgrav struct config_strlist* p = cfg->lst; \ 736b7579f77SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) \ 737b7579f77SDag-Erling Smørgrav func(p->str, arg); \ 738b7579f77SDag-Erling Smørgrav } 739b7579f77SDag-Erling Smørgrav /** compare and print list option */ 740b7579f77SDag-Erling Smørgrav #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ 741b7579f77SDag-Erling Smørgrav struct config_str2list* p = cfg->lst; \ 742e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) { \ 743e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, p->str2); \ 744b7579f77SDag-Erling Smørgrav func(buf, arg); \ 745e2d15004SDag-Erling Smørgrav } \ 746e2d15004SDag-Erling Smørgrav } 747b5663de9SDag-Erling Smørgrav /** compare and print list option */ 748b5663de9SDag-Erling Smørgrav #define O_LS3(opt, name, lst) if(strcmp(opt, name)==0) { \ 749b5663de9SDag-Erling Smørgrav struct config_str3list* p = cfg->lst; \ 750b5663de9SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) { \ 751b5663de9SDag-Erling Smørgrav snprintf(buf, len, "%s %s %s", p->str, p->str2, p->str3); \ 752b5663de9SDag-Erling Smørgrav func(buf, arg); \ 753b5663de9SDag-Erling Smørgrav } \ 754b5663de9SDag-Erling Smørgrav } 755e2d15004SDag-Erling Smørgrav /** compare and print taglist option */ 756e2d15004SDag-Erling Smørgrav #define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ 757e2d15004SDag-Erling Smørgrav char* tmpstr = NULL; \ 758e2d15004SDag-Erling Smørgrav struct config_strbytelist *p = cfg->lst; \ 759e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) {\ 760e2d15004SDag-Erling Smørgrav tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ 761e2d15004SDag-Erling Smørgrav if(tmpstr) {\ 762e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, tmpstr); \ 763e2d15004SDag-Erling Smørgrav func(buf, arg); \ 764e2d15004SDag-Erling Smørgrav free(tmpstr); \ 765e2d15004SDag-Erling Smørgrav } \ 766e2d15004SDag-Erling Smørgrav } \ 767b7579f77SDag-Erling Smørgrav } 768b7579f77SDag-Erling Smørgrav 769b7579f77SDag-Erling Smørgrav int 770b7579f77SDag-Erling Smørgrav config_get_option(struct config_file* cfg, const char* opt, 771b7579f77SDag-Erling Smørgrav void (*func)(char*,void*), void* arg) 772b7579f77SDag-Erling Smørgrav { 773b7579f77SDag-Erling Smørgrav char buf[1024]; 774b7579f77SDag-Erling Smørgrav size_t len = sizeof(buf); 775b7579f77SDag-Erling Smørgrav fptr_ok(fptr_whitelist_print_func(func)); 776b7579f77SDag-Erling Smørgrav O_DEC(opt, "verbosity", verbosity) 777b7579f77SDag-Erling Smørgrav else O_DEC(opt, "statistics-interval", stat_interval) 778b7579f77SDag-Erling Smørgrav else O_YNO(opt, "statistics-cumulative", stat_cumulative) 779b7579f77SDag-Erling Smørgrav else O_YNO(opt, "extended-statistics", stat_extended) 78065b390aaSDag-Erling Smørgrav else O_YNO(opt, "shm-enable", shm_enable) 78165b390aaSDag-Erling Smørgrav else O_DEC(opt, "shm-key", shm_key) 782b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-syslog", use_syslog) 783bc892140SDag-Erling Smørgrav else O_STR(opt, "log-identity", log_identity) 78417d15b25SDag-Erling Smørgrav else O_YNO(opt, "log-time-ascii", log_time_ascii) 785b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-threads", num_threads) 786b7579f77SDag-Erling Smørgrav else O_IFC(opt, "interface", num_ifs, ifs) 787b7579f77SDag-Erling Smørgrav else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) 788b7579f77SDag-Erling Smørgrav else O_YNO(opt, "interface-automatic", if_automatic) 789b7579f77SDag-Erling Smørgrav else O_DEC(opt, "port", port) 790b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-range", outgoing_num_ports) 791b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) 792b7579f77SDag-Erling Smørgrav else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) 793b7579f77SDag-Erling Smørgrav else O_DEC(opt, "edns-buffer-size", edns_buffer_size) 794b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-buffer-size", msg_buffer_size) 795b7579f77SDag-Erling Smørgrav else O_MEM(opt, "msg-cache-size", msg_cache_size) 796b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) 797b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) 798b7579f77SDag-Erling Smørgrav else O_UNS(opt, "jostle-timeout", jostle_time) 799b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-rcvbuf", so_rcvbuf) 800b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-sndbuf", so_sndbuf) 80117d15b25SDag-Erling Smørgrav else O_YNO(opt, "so-reuseport", so_reuseport) 80209a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "ip-transparent", ip_transparent) 803e2d15004SDag-Erling Smørgrav else O_YNO(opt, "ip-freebind", ip_freebind) 804b7579f77SDag-Erling Smørgrav else O_MEM(opt, "rrset-cache-size", rrset_cache_size) 805b7579f77SDag-Erling Smørgrav else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) 806b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch-key", prefetch_key) 807b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch", prefetch) 808b7579f77SDag-Erling Smørgrav else O_DEC(opt, "cache-max-ttl", max_ttl) 80909a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) 81017d15b25SDag-Erling Smørgrav else O_DEC(opt, "cache-min-ttl", min_ttl) 811b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-host-ttl", host_ttl) 812b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) 8136480faa8SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) 814b7579f77SDag-Erling Smørgrav else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) 81517d15b25SDag-Erling Smørgrav else O_UNS(opt, "delay-close", delay_close) 816b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip4", do_ip4) 817b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip6", do_ip6) 818b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-udp", do_udp) 819b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-tcp", do_tcp) 820b7579f77SDag-Erling Smørgrav else O_YNO(opt, "tcp-upstream", tcp_upstream) 821f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "tcp-mss", tcp_mss) 822f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) 823b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ssl-upstream", ssl_upstream) 824b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-key", ssl_service_key) 825b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-pem", ssl_service_pem) 826b7579f77SDag-Erling Smørgrav else O_DEC(opt, "ssl-port", ssl_port) 8273005e0a3SDag-Erling Smørgrav else O_YNO(opt, "use-systemd", use_systemd) 828b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-daemonize", do_daemonize) 829b7579f77SDag-Erling Smørgrav else O_STR(opt, "chroot", chrootdir) 830b7579f77SDag-Erling Smørgrav else O_STR(opt, "username", username) 831b7579f77SDag-Erling Smørgrav else O_STR(opt, "directory", directory) 832b7579f77SDag-Erling Smørgrav else O_STR(opt, "logfile", logfile) 833b7579f77SDag-Erling Smørgrav else O_YNO(opt, "log-queries", log_queries) 8343005e0a3SDag-Erling Smørgrav else O_YNO(opt, "log-replies", log_replies) 835b7579f77SDag-Erling Smørgrav else O_STR(opt, "pidfile", pidfile) 836b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-identity", hide_identity) 837b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-version", hide_version) 83865b390aaSDag-Erling Smørgrav else O_YNO(opt, "hide-trustanchor", hide_trustanchor) 839b7579f77SDag-Erling Smørgrav else O_STR(opt, "identity", identity) 840b7579f77SDag-Erling Smørgrav else O_STR(opt, "version", version) 841b7579f77SDag-Erling Smørgrav else O_STR(opt, "target-fetch-policy", target_fetch_policy) 842b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) 843b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-large-queries", harden_large_queries) 844b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-glue", harden_glue) 845b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) 846b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) 847b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-referral-path", harden_referral_path) 84809a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) 849b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) 85009a3aaf3SDag-Erling Smørgrav else O_LST(opt, "caps-whitelist", caps_whitelist) 851b7579f77SDag-Erling Smørgrav else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) 852b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) 853b7579f77SDag-Erling Smørgrav else O_STR(opt, "module-config", module_conf) 854b7579f77SDag-Erling Smørgrav else O_STR(opt, "dlv-anchor-file", dlv_anchor_file) 855b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-bogus-ttl", bogus_ttl) 856b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-clean-additional", val_clean_additional) 857b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-log-level", val_log_level) 858b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-permissive-mode", val_permissive_mode) 859b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ignore-cd-flag", ignore_cd) 860bc892140SDag-Erling Smørgrav else O_YNO(opt, "serve-expired", serve_expired) 861b7579f77SDag-Erling Smørgrav else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) 862b7579f77SDag-Erling Smørgrav else O_UNS(opt, "add-holddown", add_holddown) 863b7579f77SDag-Erling Smørgrav else O_UNS(opt, "del-holddown", del_holddown) 864b7579f77SDag-Erling Smørgrav else O_UNS(opt, "keep-missing", keep_missing) 865b75612f8SDag-Erling Smørgrav else O_YNO(opt, "permit-small-holddown", permit_small_holddown) 866b7579f77SDag-Erling Smørgrav else O_MEM(opt, "key-cache-size", key_cache_size) 867b7579f77SDag-Erling Smørgrav else O_DEC(opt, "key-cache-slabs", key_cache_slabs) 868b7579f77SDag-Erling Smørgrav else O_MEM(opt, "neg-cache-size", neg_cache_size) 869b7579f77SDag-Erling Smørgrav else O_YNO(opt, "control-enable", remote_control_enable) 870b7579f77SDag-Erling Smørgrav else O_DEC(opt, "control-port", control_port) 871b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-key-file", server_key_file) 872b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-cert-file", server_cert_file) 873b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-key-file", control_key_file) 874b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-cert-file", control_cert_file) 875b7579f77SDag-Erling Smørgrav else O_LST(opt, "root-hints", root_hints) 876b7579f77SDag-Erling Smørgrav else O_LS2(opt, "access-control", acls) 877b7579f77SDag-Erling Smørgrav else O_LST(opt, "do-not-query-address", donotqueryaddrs) 878b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-address", private_address) 879b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-domain", private_domain) 880b7579f77SDag-Erling Smørgrav else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) 881b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) 882b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor", trust_anchor_list) 883b7579f77SDag-Erling Smørgrav else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) 884*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "trust-anchor-signaling", trust_anchor_signaling) 885b7579f77SDag-Erling Smørgrav else O_LST(opt, "dlv-anchor", dlv_anchor_list) 886b7579f77SDag-Erling Smørgrav else O_LST(opt, "control-interface", control_ifs) 887b7579f77SDag-Erling Smørgrav else O_LST(opt, "domain-insecure", domain_insecure) 888b7579f77SDag-Erling Smørgrav else O_UNS(opt, "val-override-date", val_date_override) 889b7579f77SDag-Erling Smørgrav else O_YNO(opt, "minimal-responses", minimal_responses) 890b7579f77SDag-Erling Smørgrav else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) 89165b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 89265b390aaSDag-Erling Smørgrav else O_LST(opt, "send-client-subnet", client_subnet) 893*c7f4d7adSDag-Erling Smørgrav else O_LST(opt, "client-subnet-zone", client_subnet_zone) 89465b390aaSDag-Erling Smørgrav else O_DEC(opt, "max-client-subnet-ipv4", max_client_subnet_ipv4) 89565b390aaSDag-Erling Smørgrav else O_DEC(opt, "max-client-subnet-ipv6", max_client_subnet_ipv6) 89665b390aaSDag-Erling Smørgrav else O_YNO(opt, "client-subnet-always-forward:", 89765b390aaSDag-Erling Smørgrav client_subnet_always_forward) 89865b390aaSDag-Erling Smørgrav #endif 899*c7f4d7adSDag-Erling Smørgrav #ifdef USE_DNSTAP 900*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-enable", dnstap) 901*c7f4d7adSDag-Erling Smørgrav else O_STR(opt, "dnstap-socket-path", dnstap_socket_path) 902*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-send-identity", dnstap_send_identity) 903*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-send-version", dnstap_send_version) 904*c7f4d7adSDag-Erling Smørgrav else O_STR(opt, "dnstap-identity", dnstap_identity) 905*c7f4d7adSDag-Erling Smørgrav else O_STR(opt, "dnstap-version", dnstap_version) 906*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-resolver-query-messages", 907*c7f4d7adSDag-Erling Smørgrav dnstap_log_resolver_query_messages) 908*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-resolver-response-messages", 909*c7f4d7adSDag-Erling Smørgrav dnstap_log_resolver_response_messages) 910*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-client-query-messages", 911*c7f4d7adSDag-Erling Smørgrav dnstap_log_client_query_messages) 912*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-client-response-messages", 913*c7f4d7adSDag-Erling Smørgrav dnstap_log_client_response_messages) 914*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-forwarder-query-messages", 915*c7f4d7adSDag-Erling Smørgrav dnstap_log_forwarder_query_messages) 916*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnstap-log-forwarder-response-messages", 917*c7f4d7adSDag-Erling Smørgrav dnstap_log_forwarder_response_messages) 918*c7f4d7adSDag-Erling Smørgrav #endif 919*c7f4d7adSDag-Erling Smørgrav #ifdef USE_DNSCRYPT 920*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "dnscrypt-enable", dnscrypt) 921*c7f4d7adSDag-Erling Smørgrav else O_DEC(opt, "dnscrypt-port", dnscrypt_port) 922*c7f4d7adSDag-Erling Smørgrav else O_STR(opt, "dnscrypt-provider", dnscrypt_provider) 923*c7f4d7adSDag-Erling Smørgrav else O_LST(opt, "dnscrypt-provider-cert", dnscrypt_provider_cert) 924*c7f4d7adSDag-Erling Smørgrav else O_LST(opt, "dnscrypt-secret-key", dnscrypt_secret_key) 925*c7f4d7adSDag-Erling Smørgrav #endif 926c536e4dcSDag-Erling Smørgrav else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) 9270de4f1bfSDag-Erling Smørgrav else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) 92817d15b25SDag-Erling Smørgrav else O_DEC(opt, "max-udp-size", max_udp_size) 92917d15b25SDag-Erling Smørgrav else O_STR(opt, "python-script", python_script) 930e2d15004SDag-Erling Smørgrav else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) 9313005e0a3SDag-Erling Smørgrav else O_DEC(opt, "ip-ratelimit", ip_ratelimit) 93209a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit", ratelimit) 9333005e0a3SDag-Erling Smørgrav else O_MEM(opt, "ip-ratelimit-size", ip_ratelimit_size) 93409a3aaf3SDag-Erling Smørgrav else O_MEM(opt, "ratelimit-size", ratelimit_size) 9353005e0a3SDag-Erling Smørgrav else O_DEC(opt, "ip-ratelimit-slabs", ip_ratelimit_slabs) 93609a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) 93709a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) 93809a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) 9393005e0a3SDag-Erling Smørgrav else O_DEC(opt, "ip-ratelimit-factor", ip_ratelimit_factor) 94009a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-factor", ratelimit_factor) 94117d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) 94217d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) 94305ab2901SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation", qname_minimisation) 944bc892140SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation-strict", qname_minimisation_strict) 945e2d15004SDag-Erling Smørgrav else O_IFC(opt, "define-tag", num_tags, tagname) 946e2d15004SDag-Erling Smørgrav else O_LTG(opt, "local-zone-tag", local_zone_tags) 947b5663de9SDag-Erling Smørgrav else O_LTG(opt, "access-control-tag", acl_tags) 94865b390aaSDag-Erling Smørgrav else O_LTG(opt, "response-ip-tag", respip_tags) 949b5663de9SDag-Erling Smørgrav else O_LS3(opt, "local-zone-override", local_zone_overrides) 950b5663de9SDag-Erling Smørgrav else O_LS3(opt, "access-control-tag-action", acl_tag_actions) 951b5663de9SDag-Erling Smørgrav else O_LS3(opt, "access-control-tag-data", acl_tag_datas) 952bc892140SDag-Erling Smørgrav else O_LS2(opt, "access-control-view", acl_view) 953*c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 954*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "ipsecmod-enabled", ipsecmod_enabled) 955*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "ipsecmod-ignore-bogus", ipsecmod_ignore_bogus) 956*c7f4d7adSDag-Erling Smørgrav else O_STR(opt, "ipsecmod-hook", ipsecmod_hook) 957*c7f4d7adSDag-Erling Smørgrav else O_DEC(opt, "ipsecmod-max-ttl", ipsecmod_max_ttl) 958*c7f4d7adSDag-Erling Smørgrav else O_LST(opt, "ipsecmod-whitelist", ipsecmod_whitelist) 959*c7f4d7adSDag-Erling Smørgrav else O_YNO(opt, "ipsecmod-strict", ipsecmod_strict) 960*c7f4d7adSDag-Erling Smørgrav #endif 961b7579f77SDag-Erling Smørgrav /* not here: 962b7579f77SDag-Erling Smørgrav * outgoing-permit, outgoing-avoid - have list of ports 963b7579f77SDag-Erling Smørgrav * local-zone - zones and nodefault variables 964b7579f77SDag-Erling Smørgrav * local-data - see below 965b7579f77SDag-Erling Smørgrav * local-data-ptr - converted to local-data entries 966b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 967b7579f77SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host 968b7579f77SDag-Erling Smørgrav */ 969b7579f77SDag-Erling Smørgrav else return 0; 970b7579f77SDag-Erling Smørgrav return 1; 971b7579f77SDag-Erling Smørgrav } 972b7579f77SDag-Erling Smørgrav 973b7579f77SDag-Erling Smørgrav /** initialize the global cfg_parser object */ 974b7579f77SDag-Erling Smørgrav static void 975b7579f77SDag-Erling Smørgrav create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) 976b7579f77SDag-Erling Smørgrav { 977b7579f77SDag-Erling Smørgrav static struct config_parser_state st; 978b7579f77SDag-Erling Smørgrav cfg_parser = &st; 979b7579f77SDag-Erling Smørgrav cfg_parser->filename = filename; 980b7579f77SDag-Erling Smørgrav cfg_parser->line = 1; 981b7579f77SDag-Erling Smørgrav cfg_parser->errors = 0; 982b7579f77SDag-Erling Smørgrav cfg_parser->cfg = cfg; 983b7579f77SDag-Erling Smørgrav cfg_parser->chroot = chroot; 98417d15b25SDag-Erling Smørgrav init_cfg_parse(); 985b7579f77SDag-Erling Smørgrav } 986b7579f77SDag-Erling Smørgrav 987b7579f77SDag-Erling Smørgrav int 988b7579f77SDag-Erling Smørgrav config_read(struct config_file* cfg, const char* filename, const char* chroot) 989b7579f77SDag-Erling Smørgrav { 990b7579f77SDag-Erling Smørgrav FILE *in; 991b7579f77SDag-Erling Smørgrav char *fname = (char*)filename; 9928ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 9938ed2b524SDag-Erling Smørgrav glob_t g; 9948ed2b524SDag-Erling Smørgrav size_t i; 9958ed2b524SDag-Erling Smørgrav int r, flags; 9968ed2b524SDag-Erling Smørgrav #endif 997b7579f77SDag-Erling Smørgrav if(!fname) 998b7579f77SDag-Erling Smørgrav return 1; 9998ed2b524SDag-Erling Smørgrav 10008ed2b524SDag-Erling Smørgrav /* check for wildcards */ 10018ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 10028ed2b524SDag-Erling Smørgrav if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && 10038ed2b524SDag-Erling Smørgrav !strchr(fname, '{') && !strchr(fname, '~'))) { 10048ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "wildcard found, processing %s", fname); 10058ed2b524SDag-Erling Smørgrav flags = 0 10068ed2b524SDag-Erling Smørgrav #ifdef GLOB_ERR 10078ed2b524SDag-Erling Smørgrav | GLOB_ERR 10088ed2b524SDag-Erling Smørgrav #endif 10098ed2b524SDag-Erling Smørgrav #ifdef GLOB_NOSORT 10108ed2b524SDag-Erling Smørgrav | GLOB_NOSORT 10118ed2b524SDag-Erling Smørgrav #endif 10128ed2b524SDag-Erling Smørgrav #ifdef GLOB_BRACE 10138ed2b524SDag-Erling Smørgrav | GLOB_BRACE 10148ed2b524SDag-Erling Smørgrav #endif 10158ed2b524SDag-Erling Smørgrav #ifdef GLOB_TILDE 10168ed2b524SDag-Erling Smørgrav | GLOB_TILDE 10178ed2b524SDag-Erling Smørgrav #endif 10188ed2b524SDag-Erling Smørgrav ; 10198ed2b524SDag-Erling Smørgrav memset(&g, 0, sizeof(g)); 10208ed2b524SDag-Erling Smørgrav r = glob(fname, flags, NULL, &g); 10218ed2b524SDag-Erling Smørgrav if(r) { 10228ed2b524SDag-Erling Smørgrav /* some error */ 10238ed2b524SDag-Erling Smørgrav globfree(&g); 10248ed2b524SDag-Erling Smørgrav if(r == GLOB_NOMATCH) { 10258ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "include: " 10268ed2b524SDag-Erling Smørgrav "no matches for %s", fname); 10278ed2b524SDag-Erling Smørgrav return 1; 10288ed2b524SDag-Erling Smørgrav } else if(r == GLOB_NOSPACE) { 10298ed2b524SDag-Erling Smørgrav log_err("include: %s: " 10308ed2b524SDag-Erling Smørgrav "fnametern out of memory", fname); 10318ed2b524SDag-Erling Smørgrav } else if(r == GLOB_ABORTED) { 10328ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 10338ed2b524SDag-Erling Smørgrav "aborted (%s)", fname, strerror(errno)); 10348ed2b524SDag-Erling Smørgrav } else { 10358ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 10368ed2b524SDag-Erling Smørgrav "failed (%s)", fname, strerror(errno)); 10378ed2b524SDag-Erling Smørgrav } 10388ed2b524SDag-Erling Smørgrav /* ignore globs that yield no files */ 10398ed2b524SDag-Erling Smørgrav return 1; 10408ed2b524SDag-Erling Smørgrav } 10418ed2b524SDag-Erling Smørgrav /* process files found, if any */ 10428ed2b524SDag-Erling Smørgrav for(i=0; i<(size_t)g.gl_pathc; i++) { 10438ed2b524SDag-Erling Smørgrav if(!config_read(cfg, g.gl_pathv[i], chroot)) { 10448ed2b524SDag-Erling Smørgrav log_err("error reading wildcard " 10458ed2b524SDag-Erling Smørgrav "include: %s", g.gl_pathv[i]); 10468ed2b524SDag-Erling Smørgrav globfree(&g); 10478ed2b524SDag-Erling Smørgrav return 0; 10488ed2b524SDag-Erling Smørgrav } 10498ed2b524SDag-Erling Smørgrav } 10508ed2b524SDag-Erling Smørgrav globfree(&g); 10518ed2b524SDag-Erling Smørgrav return 1; 10528ed2b524SDag-Erling Smørgrav } 10538ed2b524SDag-Erling Smørgrav #endif /* HAVE_GLOB */ 10548ed2b524SDag-Erling Smørgrav 1055b7579f77SDag-Erling Smørgrav in = fopen(fname, "r"); 1056b7579f77SDag-Erling Smørgrav if(!in) { 1057b7579f77SDag-Erling Smørgrav log_err("Could not open %s: %s", fname, strerror(errno)); 1058b7579f77SDag-Erling Smørgrav return 0; 1059b7579f77SDag-Erling Smørgrav } 1060b7579f77SDag-Erling Smørgrav create_cfg_parser(cfg, fname, chroot); 1061b7579f77SDag-Erling Smørgrav ub_c_in = in; 1062b7579f77SDag-Erling Smørgrav ub_c_parse(); 1063b7579f77SDag-Erling Smørgrav fclose(in); 1064b7579f77SDag-Erling Smørgrav 106565b390aaSDag-Erling Smørgrav if(!cfg->dnscrypt) cfg->dnscrypt_port = 0; 106665b390aaSDag-Erling Smørgrav 1067b7579f77SDag-Erling Smørgrav if(cfg_parser->errors != 0) { 1068b7579f77SDag-Erling Smørgrav fprintf(stderr, "read %s failed: %d errors in configuration file\n", 1069ff825849SDag-Erling Smørgrav fname, cfg_parser->errors); 1070b7579f77SDag-Erling Smørgrav errno=EINVAL; 1071b7579f77SDag-Erling Smørgrav return 0; 1072b7579f77SDag-Erling Smørgrav } 107331099b50SDag-Erling Smørgrav 1074b7579f77SDag-Erling Smørgrav return 1; 1075b7579f77SDag-Erling Smørgrav } 1076b7579f77SDag-Erling Smørgrav 1077f61ef7f6SDag-Erling Smørgrav struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) 1078f61ef7f6SDag-Erling Smørgrav { 1079f61ef7f6SDag-Erling Smørgrav struct config_stub* p = *(*pp); 1080f61ef7f6SDag-Erling Smørgrav while(p) { 1081f61ef7f6SDag-Erling Smørgrav if(strcmp(p->name, nm) == 0) 1082f61ef7f6SDag-Erling Smørgrav return p; 1083f61ef7f6SDag-Erling Smørgrav (*pp) = &p->next; 1084f61ef7f6SDag-Erling Smørgrav p = p->next; 1085f61ef7f6SDag-Erling Smørgrav } 1086f61ef7f6SDag-Erling Smørgrav return NULL; 1087f61ef7f6SDag-Erling Smørgrav } 1088f61ef7f6SDag-Erling Smørgrav 1089b7579f77SDag-Erling Smørgrav void 1090b7579f77SDag-Erling Smørgrav config_delstrlist(struct config_strlist* p) 1091b7579f77SDag-Erling Smørgrav { 1092b7579f77SDag-Erling Smørgrav struct config_strlist *np; 1093b7579f77SDag-Erling Smørgrav while(p) { 1094b7579f77SDag-Erling Smørgrav np = p->next; 1095b7579f77SDag-Erling Smørgrav free(p->str); 1096b7579f77SDag-Erling Smørgrav free(p); 1097b7579f77SDag-Erling Smørgrav p = np; 1098b7579f77SDag-Erling Smørgrav } 1099b7579f77SDag-Erling Smørgrav } 1100b7579f77SDag-Erling Smørgrav 1101b7579f77SDag-Erling Smørgrav void 1102b7579f77SDag-Erling Smørgrav config_deldblstrlist(struct config_str2list* p) 1103b7579f77SDag-Erling Smørgrav { 1104b7579f77SDag-Erling Smørgrav struct config_str2list *np; 1105b7579f77SDag-Erling Smørgrav while(p) { 1106b7579f77SDag-Erling Smørgrav np = p->next; 1107b7579f77SDag-Erling Smørgrav free(p->str); 1108b7579f77SDag-Erling Smørgrav free(p->str2); 1109b7579f77SDag-Erling Smørgrav free(p); 1110b7579f77SDag-Erling Smørgrav p = np; 1111b7579f77SDag-Erling Smørgrav } 1112b7579f77SDag-Erling Smørgrav } 1113b7579f77SDag-Erling Smørgrav 1114b7579f77SDag-Erling Smørgrav void 1115b5663de9SDag-Erling Smørgrav config_deltrplstrlist(struct config_str3list* p) 1116b5663de9SDag-Erling Smørgrav { 1117b5663de9SDag-Erling Smørgrav struct config_str3list *np; 1118b5663de9SDag-Erling Smørgrav while(p) { 1119b5663de9SDag-Erling Smørgrav np = p->next; 1120b5663de9SDag-Erling Smørgrav free(p->str); 1121b5663de9SDag-Erling Smørgrav free(p->str2); 1122b5663de9SDag-Erling Smørgrav free(p->str3); 1123b5663de9SDag-Erling Smørgrav free(p); 1124b5663de9SDag-Erling Smørgrav p = np; 1125b5663de9SDag-Erling Smørgrav } 1126b5663de9SDag-Erling Smørgrav } 1127b5663de9SDag-Erling Smørgrav 1128b5663de9SDag-Erling Smørgrav void 1129f61ef7f6SDag-Erling Smørgrav config_delstub(struct config_stub* p) 1130f61ef7f6SDag-Erling Smørgrav { 1131f61ef7f6SDag-Erling Smørgrav if(!p) return; 1132f61ef7f6SDag-Erling Smørgrav free(p->name); 1133f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->hosts); 1134f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->addrs); 1135f61ef7f6SDag-Erling Smørgrav free(p); 1136f61ef7f6SDag-Erling Smørgrav } 1137f61ef7f6SDag-Erling Smørgrav 1138f61ef7f6SDag-Erling Smørgrav void 1139b7579f77SDag-Erling Smørgrav config_delstubs(struct config_stub* p) 1140b7579f77SDag-Erling Smørgrav { 1141b7579f77SDag-Erling Smørgrav struct config_stub* np; 1142b7579f77SDag-Erling Smørgrav while(p) { 1143b7579f77SDag-Erling Smørgrav np = p->next; 1144f61ef7f6SDag-Erling Smørgrav config_delstub(p); 1145b7579f77SDag-Erling Smørgrav p = np; 1146b7579f77SDag-Erling Smørgrav } 1147b7579f77SDag-Erling Smørgrav } 1148b7579f77SDag-Erling Smørgrav 1149bc892140SDag-Erling Smørgrav void 1150bc892140SDag-Erling Smørgrav config_delview(struct config_view* p) 1151bc892140SDag-Erling Smørgrav { 1152bc892140SDag-Erling Smørgrav if(!p) return; 1153bc892140SDag-Erling Smørgrav free(p->name); 1154bc892140SDag-Erling Smørgrav config_deldblstrlist(p->local_zones); 1155bc892140SDag-Erling Smørgrav config_delstrlist(p->local_zones_nodefault); 1156bc892140SDag-Erling Smørgrav config_delstrlist(p->local_data); 1157bc892140SDag-Erling Smørgrav free(p); 1158bc892140SDag-Erling Smørgrav } 1159bc892140SDag-Erling Smørgrav 1160bc892140SDag-Erling Smørgrav void 1161bc892140SDag-Erling Smørgrav config_delviews(struct config_view* p) 1162bc892140SDag-Erling Smørgrav { 1163bc892140SDag-Erling Smørgrav struct config_view* np; 1164bc892140SDag-Erling Smørgrav while(p) { 1165bc892140SDag-Erling Smørgrav np = p->next; 1166bc892140SDag-Erling Smørgrav config_delview(p); 1167bc892140SDag-Erling Smørgrav p = np; 1168bc892140SDag-Erling Smørgrav } 1169bc892140SDag-Erling Smørgrav } 1170e2d15004SDag-Erling Smørgrav /** delete string array */ 1171e2d15004SDag-Erling Smørgrav static void 1172e2d15004SDag-Erling Smørgrav config_del_strarray(char** array, int num) 1173e2d15004SDag-Erling Smørgrav { 1174e2d15004SDag-Erling Smørgrav int i; 1175e2d15004SDag-Erling Smørgrav if(!array) 1176e2d15004SDag-Erling Smørgrav return; 1177e2d15004SDag-Erling Smørgrav for(i=0; i<num; i++) { 1178e2d15004SDag-Erling Smørgrav free(array[i]); 1179e2d15004SDag-Erling Smørgrav } 1180e2d15004SDag-Erling Smørgrav free(array); 1181e2d15004SDag-Erling Smørgrav } 1182e2d15004SDag-Erling Smørgrav 1183b5663de9SDag-Erling Smørgrav void 1184e2d15004SDag-Erling Smørgrav config_del_strbytelist(struct config_strbytelist* p) 1185e2d15004SDag-Erling Smørgrav { 1186e2d15004SDag-Erling Smørgrav struct config_strbytelist* np; 1187e2d15004SDag-Erling Smørgrav while(p) { 1188e2d15004SDag-Erling Smørgrav np = p->next; 1189e2d15004SDag-Erling Smørgrav free(p->str); 1190e2d15004SDag-Erling Smørgrav free(p->str2); 1191e2d15004SDag-Erling Smørgrav free(p); 1192e2d15004SDag-Erling Smørgrav p = np; 1193e2d15004SDag-Erling Smørgrav } 1194e2d15004SDag-Erling Smørgrav } 1195e2d15004SDag-Erling Smørgrav 1196b7579f77SDag-Erling Smørgrav void 1197b7579f77SDag-Erling Smørgrav config_delete(struct config_file* cfg) 1198b7579f77SDag-Erling Smørgrav { 1199b7579f77SDag-Erling Smørgrav if(!cfg) return; 1200b7579f77SDag-Erling Smørgrav free(cfg->username); 1201b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 1202b7579f77SDag-Erling Smørgrav free(cfg->directory); 1203b7579f77SDag-Erling Smørgrav free(cfg->logfile); 1204b7579f77SDag-Erling Smørgrav free(cfg->pidfile); 1205b7579f77SDag-Erling Smørgrav free(cfg->target_fetch_policy); 1206b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_key); 1207b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_pem); 1208bc892140SDag-Erling Smørgrav free(cfg->log_identity); 1209e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->ifs, cfg->num_ifs); 1210e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); 1211b7579f77SDag-Erling Smørgrav config_delstubs(cfg->stubs); 1212b7579f77SDag-Erling Smørgrav config_delstubs(cfg->forwards); 1213bc892140SDag-Erling Smørgrav config_delviews(cfg->views); 1214b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->donotqueryaddrs); 1215b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->root_hints); 121665b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 121765b390aaSDag-Erling Smørgrav config_delstrlist(cfg->client_subnet); 1218*c7f4d7adSDag-Erling Smørgrav config_delstrlist(cfg->client_subnet_zone); 121965b390aaSDag-Erling Smørgrav #endif 1220b7579f77SDag-Erling Smørgrav free(cfg->identity); 1221b7579f77SDag-Erling Smørgrav free(cfg->version); 1222b7579f77SDag-Erling Smørgrav free(cfg->module_conf); 1223b7579f77SDag-Erling Smørgrav free(cfg->outgoing_avail_ports); 1224*c7f4d7adSDag-Erling Smørgrav free(cfg->python_script); 122509a3aaf3SDag-Erling Smørgrav config_delstrlist(cfg->caps_whitelist); 1226b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_address); 1227b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_domain); 1228b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->auto_trust_anchor_file_list); 1229b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_file_list); 1230b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trusted_keys_file_list); 1231b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_list); 1232b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->domain_insecure); 1233b7579f77SDag-Erling Smørgrav free(cfg->dlv_anchor_file); 1234b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->dlv_anchor_list); 1235b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->acls); 1236b7579f77SDag-Erling Smørgrav free(cfg->val_nsec3_key_iterations); 1237b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->local_zones); 1238b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_zones_nodefault); 1239b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_data); 1240b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->local_zone_overrides); 1241e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->tagname, cfg->num_tags); 1242e2d15004SDag-Erling Smørgrav config_del_strbytelist(cfg->local_zone_tags); 1243b5663de9SDag-Erling Smørgrav config_del_strbytelist(cfg->acl_tags); 124465b390aaSDag-Erling Smørgrav config_del_strbytelist(cfg->respip_tags); 1245b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->acl_tag_actions); 1246b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->acl_tag_datas); 1247b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->control_ifs); 1248b7579f77SDag-Erling Smørgrav free(cfg->server_key_file); 1249b7579f77SDag-Erling Smørgrav free(cfg->server_cert_file); 1250b7579f77SDag-Erling Smørgrav free(cfg->control_key_file); 1251b7579f77SDag-Erling Smørgrav free(cfg->control_cert_file); 125209a3aaf3SDag-Erling Smørgrav free(cfg->dns64_prefix); 1253ff825849SDag-Erling Smørgrav free(cfg->dnstap_socket_path); 1254ff825849SDag-Erling Smørgrav free(cfg->dnstap_identity); 1255ff825849SDag-Erling Smørgrav free(cfg->dnstap_version); 125609a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_for_domain); 125709a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_below_domain); 1258*c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 1259*c7f4d7adSDag-Erling Smørgrav free(cfg->ipsecmod_hook); 1260*c7f4d7adSDag-Erling Smørgrav config_delstrlist(cfg->ipsecmod_whitelist); 1261*c7f4d7adSDag-Erling Smørgrav #endif 1262b7579f77SDag-Erling Smørgrav free(cfg); 1263b7579f77SDag-Erling Smørgrav } 1264b7579f77SDag-Erling Smørgrav 1265b7579f77SDag-Erling Smørgrav static void 1266b7579f77SDag-Erling Smørgrav init_outgoing_availports(int* a, int num) 1267b7579f77SDag-Erling Smørgrav { 1268b7579f77SDag-Erling Smørgrav /* generated with make iana_update */ 1269b7579f77SDag-Erling Smørgrav const int iana_assigned[] = { 1270b7579f77SDag-Erling Smørgrav #include "util/iana_ports.inc" 1271b7579f77SDag-Erling Smørgrav -1 }; /* end marker to put behind trailing comma */ 1272b7579f77SDag-Erling Smørgrav 1273b7579f77SDag-Erling Smørgrav int i; 1274b7579f77SDag-Erling Smørgrav /* do not use <1024, that could be trouble with the system, privs */ 1275b7579f77SDag-Erling Smørgrav for(i=1024; i<num; i++) { 1276b7579f77SDag-Erling Smørgrav a[i] = i; 1277b7579f77SDag-Erling Smørgrav } 1278b7579f77SDag-Erling Smørgrav /* create empty spot at 49152 to keep ephemeral ports available 1279b7579f77SDag-Erling Smørgrav * to other programs */ 1280b7579f77SDag-Erling Smørgrav for(i=49152; i<49152+256; i++) 1281b7579f77SDag-Erling Smørgrav a[i] = 0; 1282b7579f77SDag-Erling Smørgrav /* pick out all the IANA assigned ports */ 1283b7579f77SDag-Erling Smørgrav for(i=0; iana_assigned[i]!=-1; i++) { 1284b7579f77SDag-Erling Smørgrav if(iana_assigned[i] < num) 1285b7579f77SDag-Erling Smørgrav a[iana_assigned[i]] = 0; 1286b7579f77SDag-Erling Smørgrav } 1287b7579f77SDag-Erling Smørgrav } 1288b7579f77SDag-Erling Smørgrav 1289b7579f77SDag-Erling Smørgrav int 1290b7579f77SDag-Erling Smørgrav cfg_mark_ports(const char* str, int allow, int* avail, int num) 1291b7579f77SDag-Erling Smørgrav { 1292b7579f77SDag-Erling Smørgrav char* mid = strchr(str, '-'); 1293b7579f77SDag-Erling Smørgrav if(!mid) { 1294b7579f77SDag-Erling Smørgrav int port = atoi(str); 1295b7579f77SDag-Erling Smørgrav if(port == 0 && strcmp(str, "0") != 0) { 1296b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1297b7579f77SDag-Erling Smørgrav return 0; 1298b7579f77SDag-Erling Smørgrav } 1299b7579f77SDag-Erling Smørgrav if(port < num) 1300b7579f77SDag-Erling Smørgrav avail[port] = (allow?port:0); 1301b7579f77SDag-Erling Smørgrav } else { 1302b7579f77SDag-Erling Smørgrav int i, low, high = atoi(mid+1); 1303b7579f77SDag-Erling Smørgrav char buf[16]; 1304b7579f77SDag-Erling Smørgrav if(high == 0 && strcmp(mid+1, "0") != 0) { 1305b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", mid+1); 1306b7579f77SDag-Erling Smørgrav return 0; 1307b7579f77SDag-Erling Smørgrav } 1308b7579f77SDag-Erling Smørgrav if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { 1309b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1310b7579f77SDag-Erling Smørgrav return 0; 1311b7579f77SDag-Erling Smørgrav } 1312b7579f77SDag-Erling Smørgrav if(mid > str) 1313b7579f77SDag-Erling Smørgrav memcpy(buf, str, (size_t)(mid-str)); 1314b7579f77SDag-Erling Smørgrav buf[mid-str] = 0; 1315b7579f77SDag-Erling Smørgrav low = atoi(buf); 1316b7579f77SDag-Erling Smørgrav if(low == 0 && strcmp(buf, "0") != 0) { 1317b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", buf); 1318b7579f77SDag-Erling Smørgrav return 0; 1319b7579f77SDag-Erling Smørgrav } 1320b7579f77SDag-Erling Smørgrav for(i=low; i<=high; i++) { 1321b7579f77SDag-Erling Smørgrav if(i < num) 1322b7579f77SDag-Erling Smørgrav avail[i] = (allow?i:0); 1323b7579f77SDag-Erling Smørgrav } 1324b7579f77SDag-Erling Smørgrav return 1; 1325b7579f77SDag-Erling Smørgrav } 1326b7579f77SDag-Erling Smørgrav return 1; 1327b7579f77SDag-Erling Smørgrav } 1328b7579f77SDag-Erling Smørgrav 1329b7579f77SDag-Erling Smørgrav int 1330b7579f77SDag-Erling Smørgrav cfg_scan_ports(int* avail, int num) 1331b7579f77SDag-Erling Smørgrav { 1332b7579f77SDag-Erling Smørgrav int i; 1333b7579f77SDag-Erling Smørgrav int count = 0; 1334b7579f77SDag-Erling Smørgrav for(i=0; i<num; i++) { 1335b7579f77SDag-Erling Smørgrav if(avail[i]) 1336b7579f77SDag-Erling Smørgrav count++; 1337b7579f77SDag-Erling Smørgrav } 1338b7579f77SDag-Erling Smørgrav return count; 1339b7579f77SDag-Erling Smørgrav } 1340b7579f77SDag-Erling Smørgrav 1341b7579f77SDag-Erling Smørgrav int cfg_condense_ports(struct config_file* cfg, int** avail) 1342b7579f77SDag-Erling Smørgrav { 1343b7579f77SDag-Erling Smørgrav int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); 1344b7579f77SDag-Erling Smørgrav int i, at = 0; 1345b7579f77SDag-Erling Smørgrav *avail = NULL; 1346b7579f77SDag-Erling Smørgrav if(num == 0) 1347b7579f77SDag-Erling Smørgrav return 0; 134809a3aaf3SDag-Erling Smørgrav *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); 1349b7579f77SDag-Erling Smørgrav if(!*avail) 1350b7579f77SDag-Erling Smørgrav return 0; 1351b7579f77SDag-Erling Smørgrav for(i=0; i<65536; i++) { 1352b7579f77SDag-Erling Smørgrav if(cfg->outgoing_avail_ports[i]) 1353b7579f77SDag-Erling Smørgrav (*avail)[at++] = cfg->outgoing_avail_ports[i]; 1354b7579f77SDag-Erling Smørgrav } 1355b7579f77SDag-Erling Smørgrav log_assert(at == num); 1356b7579f77SDag-Erling Smørgrav return num; 1357b7579f77SDag-Erling Smørgrav } 1358b7579f77SDag-Erling Smørgrav 1359b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1360b7579f77SDag-Erling Smørgrav static void ub_c_error_va_list(const char *fmt, va_list args) 1361b7579f77SDag-Erling Smørgrav { 1362b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1363b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, 1364b7579f77SDag-Erling Smørgrav cfg_parser->line); 1365b7579f77SDag-Erling Smørgrav vfprintf(stderr, fmt, args); 1366b7579f77SDag-Erling Smørgrav fprintf(stderr, "\n"); 1367b7579f77SDag-Erling Smørgrav } 1368b7579f77SDag-Erling Smørgrav 1369b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1370b7579f77SDag-Erling Smørgrav void ub_c_error_msg(const char* fmt, ...) 1371b7579f77SDag-Erling Smørgrav { 1372b7579f77SDag-Erling Smørgrav va_list args; 1373b7579f77SDag-Erling Smørgrav va_start(args, fmt); 1374b7579f77SDag-Erling Smørgrav ub_c_error_va_list(fmt, args); 1375b7579f77SDag-Erling Smørgrav va_end(args); 1376b7579f77SDag-Erling Smørgrav } 1377b7579f77SDag-Erling Smørgrav 1378b7579f77SDag-Erling Smørgrav void ub_c_error(const char *str) 1379b7579f77SDag-Erling Smørgrav { 1380b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1381b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, 1382b7579f77SDag-Erling Smørgrav cfg_parser->line, str); 1383b7579f77SDag-Erling Smørgrav } 1384b7579f77SDag-Erling Smørgrav 1385b7579f77SDag-Erling Smørgrav int ub_c_wrap(void) 1386b7579f77SDag-Erling Smørgrav { 1387b7579f77SDag-Erling Smørgrav return 1; 1388b7579f77SDag-Erling Smørgrav } 1389b7579f77SDag-Erling Smørgrav 1390b7579f77SDag-Erling Smørgrav int cfg_strlist_append(struct config_strlist_head* list, char* item) 1391b7579f77SDag-Erling Smørgrav { 1392b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1393b7579f77SDag-Erling Smørgrav if(!item || !list) 1394b7579f77SDag-Erling Smørgrav return 0; 1395b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1396b7579f77SDag-Erling Smørgrav if(!s) 1397b7579f77SDag-Erling Smørgrav return 0; 1398b7579f77SDag-Erling Smørgrav s->str = item; 1399b7579f77SDag-Erling Smørgrav s->next = NULL; 1400b7579f77SDag-Erling Smørgrav if(list->last) 1401b7579f77SDag-Erling Smørgrav list->last->next = s; 1402b7579f77SDag-Erling Smørgrav else 1403b7579f77SDag-Erling Smørgrav list->first = s; 1404b7579f77SDag-Erling Smørgrav list->last = s; 1405b7579f77SDag-Erling Smørgrav return 1; 1406b7579f77SDag-Erling Smørgrav } 1407b7579f77SDag-Erling Smørgrav 1408b7579f77SDag-Erling Smørgrav int 1409b5663de9SDag-Erling Smørgrav cfg_region_strlist_insert(struct regional* region, 1410b5663de9SDag-Erling Smørgrav struct config_strlist** head, char* item) 1411b5663de9SDag-Erling Smørgrav { 1412b5663de9SDag-Erling Smørgrav struct config_strlist *s; 1413b5663de9SDag-Erling Smørgrav if(!item || !head) 1414b5663de9SDag-Erling Smørgrav return 0; 1415b5663de9SDag-Erling Smørgrav s = (struct config_strlist*)regional_alloc_zero(region, 1416b5663de9SDag-Erling Smørgrav sizeof(struct config_strlist)); 1417b5663de9SDag-Erling Smørgrav if(!s) 1418b5663de9SDag-Erling Smørgrav return 0; 1419b5663de9SDag-Erling Smørgrav s->str = item; 1420b5663de9SDag-Erling Smørgrav s->next = *head; 1421b5663de9SDag-Erling Smørgrav *head = s; 1422b5663de9SDag-Erling Smørgrav return 1; 1423b5663de9SDag-Erling Smørgrav } 1424b5663de9SDag-Erling Smørgrav 1425b5663de9SDag-Erling Smørgrav int 1426b7579f77SDag-Erling Smørgrav cfg_strlist_insert(struct config_strlist** head, char* item) 1427b7579f77SDag-Erling Smørgrav { 1428b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1429b7579f77SDag-Erling Smørgrav if(!item || !head) 1430b7579f77SDag-Erling Smørgrav return 0; 1431b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1432b7579f77SDag-Erling Smørgrav if(!s) 1433b7579f77SDag-Erling Smørgrav return 0; 1434b7579f77SDag-Erling Smørgrav s->str = item; 1435b7579f77SDag-Erling Smørgrav s->next = *head; 1436b7579f77SDag-Erling Smørgrav *head = s; 1437b7579f77SDag-Erling Smørgrav return 1; 1438b7579f77SDag-Erling Smørgrav } 1439b7579f77SDag-Erling Smørgrav 1440b7579f77SDag-Erling Smørgrav int 1441b7579f77SDag-Erling Smørgrav cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) 1442b7579f77SDag-Erling Smørgrav { 1443b7579f77SDag-Erling Smørgrav struct config_str2list *s; 1444b7579f77SDag-Erling Smørgrav if(!item || !i2 || !head) 1445b7579f77SDag-Erling Smørgrav return 0; 1446b7579f77SDag-Erling Smørgrav s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); 1447b7579f77SDag-Erling Smørgrav if(!s) 1448b7579f77SDag-Erling Smørgrav return 0; 1449b7579f77SDag-Erling Smørgrav s->str = item; 1450b7579f77SDag-Erling Smørgrav s->str2 = i2; 1451b7579f77SDag-Erling Smørgrav s->next = *head; 1452b7579f77SDag-Erling Smørgrav *head = s; 1453b7579f77SDag-Erling Smørgrav return 1; 1454b7579f77SDag-Erling Smørgrav } 1455b7579f77SDag-Erling Smørgrav 1456e2d15004SDag-Erling Smørgrav int 1457b5663de9SDag-Erling Smørgrav cfg_str3list_insert(struct config_str3list** head, char* item, char* i2, 1458b5663de9SDag-Erling Smørgrav char* i3) 1459b5663de9SDag-Erling Smørgrav { 1460b5663de9SDag-Erling Smørgrav struct config_str3list *s; 1461b5663de9SDag-Erling Smørgrav if(!item || !i2 || !i3 || !head) 1462b5663de9SDag-Erling Smørgrav return 0; 1463b5663de9SDag-Erling Smørgrav s = (struct config_str3list*)calloc(1, sizeof(struct config_str3list)); 1464b5663de9SDag-Erling Smørgrav if(!s) 1465b5663de9SDag-Erling Smørgrav return 0; 1466b5663de9SDag-Erling Smørgrav s->str = item; 1467b5663de9SDag-Erling Smørgrav s->str2 = i2; 1468b5663de9SDag-Erling Smørgrav s->str3 = i3; 1469b5663de9SDag-Erling Smørgrav s->next = *head; 1470b5663de9SDag-Erling Smørgrav *head = s; 1471b5663de9SDag-Erling Smørgrav return 1; 1472b5663de9SDag-Erling Smørgrav } 1473b5663de9SDag-Erling Smørgrav 1474b5663de9SDag-Erling Smørgrav int 1475e2d15004SDag-Erling Smørgrav cfg_strbytelist_insert(struct config_strbytelist** head, char* item, 1476e2d15004SDag-Erling Smørgrav uint8_t* i2, size_t i2len) 1477e2d15004SDag-Erling Smørgrav { 1478e2d15004SDag-Erling Smørgrav struct config_strbytelist* s; 1479e2d15004SDag-Erling Smørgrav if(!item || !i2 || !head) 1480e2d15004SDag-Erling Smørgrav return 0; 1481e2d15004SDag-Erling Smørgrav s = (struct config_strbytelist*)calloc(1, sizeof(*s)); 1482e2d15004SDag-Erling Smørgrav if(!s) 1483e2d15004SDag-Erling Smørgrav return 0; 1484e2d15004SDag-Erling Smørgrav s->str = item; 1485e2d15004SDag-Erling Smørgrav s->str2 = i2; 1486e2d15004SDag-Erling Smørgrav s->str2len = i2len; 1487e2d15004SDag-Erling Smørgrav s->next = *head; 1488e2d15004SDag-Erling Smørgrav *head = s; 1489e2d15004SDag-Erling Smørgrav return 1; 1490e2d15004SDag-Erling Smørgrav } 1491e2d15004SDag-Erling Smørgrav 149217d15b25SDag-Erling Smørgrav time_t 1493b7579f77SDag-Erling Smørgrav cfg_convert_timeval(const char* str) 1494b7579f77SDag-Erling Smørgrav { 149517d15b25SDag-Erling Smørgrav time_t t; 1496b7579f77SDag-Erling Smørgrav struct tm tm; 1497b7579f77SDag-Erling Smørgrav memset(&tm, 0, sizeof(tm)); 1498b7579f77SDag-Erling Smørgrav if(strlen(str) < 14) 1499b7579f77SDag-Erling Smørgrav return 0; 1500b7579f77SDag-Erling Smørgrav if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, 1501b7579f77SDag-Erling Smørgrav &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) 1502b7579f77SDag-Erling Smørgrav return 0; 1503b7579f77SDag-Erling Smørgrav tm.tm_year -= 1900; 1504b7579f77SDag-Erling Smørgrav tm.tm_mon--; 1505b7579f77SDag-Erling Smørgrav /* Check values */ 1506b7579f77SDag-Erling Smørgrav if (tm.tm_year < 70) return 0; 1507b7579f77SDag-Erling Smørgrav if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; 1508b7579f77SDag-Erling Smørgrav if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; 1509b7579f77SDag-Erling Smørgrav if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; 1510b7579f77SDag-Erling Smørgrav if (tm.tm_min < 0 || tm.tm_min > 59) return 0; 1511b7579f77SDag-Erling Smørgrav if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; 1512b7579f77SDag-Erling Smørgrav /* call ldns conversion function */ 151317d15b25SDag-Erling Smørgrav t = sldns_mktime_from_utc(&tm); 1514b7579f77SDag-Erling Smørgrav return t; 1515b7579f77SDag-Erling Smørgrav } 1516b7579f77SDag-Erling Smørgrav 1517b7579f77SDag-Erling Smørgrav int 1518b7579f77SDag-Erling Smørgrav cfg_count_numbers(const char* s) 1519b7579f77SDag-Erling Smørgrav { 1520b7579f77SDag-Erling Smørgrav /* format ::= (sp num)+ sp */ 1521b7579f77SDag-Erling Smørgrav /* num ::= [-](0-9)+ */ 1522b7579f77SDag-Erling Smørgrav /* sp ::= (space|tab)* */ 1523b7579f77SDag-Erling Smørgrav int num = 0; 1524b7579f77SDag-Erling Smørgrav while(*s) { 1525ff825849SDag-Erling Smørgrav while(*s && isspace((unsigned char)*s)) 1526b7579f77SDag-Erling Smørgrav s++; 1527b7579f77SDag-Erling Smørgrav if(!*s) /* end of string */ 1528b7579f77SDag-Erling Smørgrav break; 1529b7579f77SDag-Erling Smørgrav if(*s == '-') 1530b7579f77SDag-Erling Smørgrav s++; 1531b7579f77SDag-Erling Smørgrav if(!*s) /* only - not allowed */ 1532b7579f77SDag-Erling Smørgrav return 0; 1533ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)*s)) /* bad character */ 1534b7579f77SDag-Erling Smørgrav return 0; 1535ff825849SDag-Erling Smørgrav while(*s && isdigit((unsigned char)*s)) 1536b7579f77SDag-Erling Smørgrav s++; 1537b7579f77SDag-Erling Smørgrav num++; 1538b7579f77SDag-Erling Smørgrav } 1539b7579f77SDag-Erling Smørgrav return num; 1540b7579f77SDag-Erling Smørgrav } 1541b7579f77SDag-Erling Smørgrav 1542b7579f77SDag-Erling Smørgrav /** all digit number */ 1543b7579f77SDag-Erling Smørgrav static int isalldigit(const char* str, size_t l) 1544b7579f77SDag-Erling Smørgrav { 1545b7579f77SDag-Erling Smørgrav size_t i; 1546b7579f77SDag-Erling Smørgrav for(i=0; i<l; i++) 1547ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)str[i])) 1548b7579f77SDag-Erling Smørgrav return 0; 1549b7579f77SDag-Erling Smørgrav return 1; 1550b7579f77SDag-Erling Smørgrav } 1551b7579f77SDag-Erling Smørgrav 1552b7579f77SDag-Erling Smørgrav int 1553b7579f77SDag-Erling Smørgrav cfg_parse_memsize(const char* str, size_t* res) 1554b7579f77SDag-Erling Smørgrav { 15558ed2b524SDag-Erling Smørgrav size_t len; 1556b7579f77SDag-Erling Smørgrav size_t mult = 1; 15578ed2b524SDag-Erling Smørgrav if(!str || (len=(size_t)strlen(str)) == 0) { 1558b7579f77SDag-Erling Smørgrav log_err("not a size: '%s'", str); 1559b7579f77SDag-Erling Smørgrav return 0; 1560b7579f77SDag-Erling Smørgrav } 1561b7579f77SDag-Erling Smørgrav if(isalldigit(str, len)) { 1562b7579f77SDag-Erling Smørgrav *res = (size_t)atol(str); 1563b7579f77SDag-Erling Smørgrav return 1; 1564b7579f77SDag-Erling Smørgrav } 1565b7579f77SDag-Erling Smørgrav /* check appended num */ 1566b7579f77SDag-Erling Smørgrav while(len>0 && str[len-1]==' ') 1567b7579f77SDag-Erling Smørgrav len--; 1568b7579f77SDag-Erling Smørgrav if(len > 1 && str[len-1] == 'b') 1569b7579f77SDag-Erling Smørgrav len--; 1570b7579f77SDag-Erling Smørgrav else if(len > 1 && str[len-1] == 'B') 1571b7579f77SDag-Erling Smørgrav len--; 1572b7579f77SDag-Erling Smørgrav 1573ff825849SDag-Erling Smørgrav if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') 1574b7579f77SDag-Erling Smørgrav mult = 1024*1024*1024; 1575ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') 1576b7579f77SDag-Erling Smørgrav mult = 1024*1024; 1577ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') 1578b7579f77SDag-Erling Smørgrav mult = 1024; 1579ff825849SDag-Erling Smørgrav else if(len > 0 && isdigit((unsigned char)str[len-1])) 1580b7579f77SDag-Erling Smørgrav mult = 1; 1581b7579f77SDag-Erling Smørgrav else { 1582b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1583b7579f77SDag-Erling Smørgrav return 0; 1584b7579f77SDag-Erling Smørgrav } 1585b7579f77SDag-Erling Smørgrav while(len>1 && str[len-2]==' ') 1586b7579f77SDag-Erling Smørgrav len--; 1587b7579f77SDag-Erling Smørgrav 1588b7579f77SDag-Erling Smørgrav if(!isalldigit(str, len-1)) { 1589b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1590b7579f77SDag-Erling Smørgrav return 0; 1591b7579f77SDag-Erling Smørgrav } 1592b7579f77SDag-Erling Smørgrav *res = ((size_t)atol(str)) * mult; 1593b7579f77SDag-Erling Smørgrav return 1; 1594b7579f77SDag-Erling Smørgrav } 1595b7579f77SDag-Erling Smørgrav 1596e2d15004SDag-Erling Smørgrav int 1597e2d15004SDag-Erling Smørgrav find_tag_id(struct config_file* cfg, const char* tag) 1598e2d15004SDag-Erling Smørgrav { 1599e2d15004SDag-Erling Smørgrav int i; 1600e2d15004SDag-Erling Smørgrav for(i=0; i<cfg->num_tags; i++) { 1601e2d15004SDag-Erling Smørgrav if(strcmp(cfg->tagname[i], tag) == 0) 1602e2d15004SDag-Erling Smørgrav return i; 1603e2d15004SDag-Erling Smørgrav } 1604e2d15004SDag-Erling Smørgrav return -1; 1605e2d15004SDag-Erling Smørgrav } 1606e2d15004SDag-Erling Smørgrav 1607e2d15004SDag-Erling Smørgrav int 1608e2d15004SDag-Erling Smørgrav config_add_tag(struct config_file* cfg, const char* tag) 1609e2d15004SDag-Erling Smørgrav { 1610e2d15004SDag-Erling Smørgrav char** newarray; 1611e2d15004SDag-Erling Smørgrav char* newtag; 1612e2d15004SDag-Erling Smørgrav if(find_tag_id(cfg, tag) != -1) 1613e2d15004SDag-Erling Smørgrav return 1; /* nothing to do */ 1614e2d15004SDag-Erling Smørgrav newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); 1615e2d15004SDag-Erling Smørgrav if(!newarray) 1616e2d15004SDag-Erling Smørgrav return 0; 1617e2d15004SDag-Erling Smørgrav newtag = strdup(tag); 1618e2d15004SDag-Erling Smørgrav if(!newtag) { 1619e2d15004SDag-Erling Smørgrav free(newarray); 1620e2d15004SDag-Erling Smørgrav return 0; 1621e2d15004SDag-Erling Smørgrav } 1622e2d15004SDag-Erling Smørgrav if(cfg->tagname) { 1623e2d15004SDag-Erling Smørgrav memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); 1624e2d15004SDag-Erling Smørgrav free(cfg->tagname); 1625e2d15004SDag-Erling Smørgrav } 1626e2d15004SDag-Erling Smørgrav newarray[cfg->num_tags++] = newtag; 1627e2d15004SDag-Erling Smørgrav cfg->tagname = newarray; 1628e2d15004SDag-Erling Smørgrav return 1; 1629e2d15004SDag-Erling Smørgrav } 1630e2d15004SDag-Erling Smørgrav 1631e2d15004SDag-Erling Smørgrav /** set a bit in a bit array */ 1632e2d15004SDag-Erling Smørgrav static void 1633e2d15004SDag-Erling Smørgrav cfg_set_bit(uint8_t* bitlist, size_t len, int id) 1634e2d15004SDag-Erling Smørgrav { 1635e2d15004SDag-Erling Smørgrav int pos = id/8; 1636e2d15004SDag-Erling Smørgrav log_assert((size_t)pos < len); 1637b5663de9SDag-Erling Smørgrav (void)len; 1638e2d15004SDag-Erling Smørgrav bitlist[pos] |= 1<<(id%8); 1639e2d15004SDag-Erling Smørgrav } 1640e2d15004SDag-Erling Smørgrav 1641e2d15004SDag-Erling Smørgrav uint8_t* config_parse_taglist(struct config_file* cfg, char* str, 1642e2d15004SDag-Erling Smørgrav size_t* listlen) 1643e2d15004SDag-Erling Smørgrav { 1644e2d15004SDag-Erling Smørgrav uint8_t* taglist = NULL; 1645e2d15004SDag-Erling Smørgrav size_t len = 0; 1646e2d15004SDag-Erling Smørgrav char* p, *s; 1647e2d15004SDag-Erling Smørgrav 1648e2d15004SDag-Erling Smørgrav /* allocate */ 1649e2d15004SDag-Erling Smørgrav if(cfg->num_tags == 0) { 1650e2d15004SDag-Erling Smørgrav log_err("parse taglist, but no tags defined"); 1651e2d15004SDag-Erling Smørgrav return 0; 1652e2d15004SDag-Erling Smørgrav } 1653e2d15004SDag-Erling Smørgrav len = (size_t)(cfg->num_tags+7)/8; 1654e2d15004SDag-Erling Smørgrav taglist = calloc(1, len); 1655e2d15004SDag-Erling Smørgrav if(!taglist) { 1656e2d15004SDag-Erling Smørgrav log_err("out of memory"); 1657e2d15004SDag-Erling Smørgrav return 0; 1658e2d15004SDag-Erling Smørgrav } 1659e2d15004SDag-Erling Smørgrav 1660e2d15004SDag-Erling Smørgrav /* parse */ 1661e2d15004SDag-Erling Smørgrav s = str; 1662e2d15004SDag-Erling Smørgrav while((p=strsep(&s, " \t\n")) != NULL) { 1663e2d15004SDag-Erling Smørgrav if(*p) { 1664e2d15004SDag-Erling Smørgrav int id = find_tag_id(cfg, p); 1665e2d15004SDag-Erling Smørgrav /* set this bit in the bitlist */ 1666e2d15004SDag-Erling Smørgrav if(id == -1) { 1667e2d15004SDag-Erling Smørgrav log_err("unknown tag: %s", p); 1668e2d15004SDag-Erling Smørgrav free(taglist); 1669e2d15004SDag-Erling Smørgrav return 0; 1670e2d15004SDag-Erling Smørgrav } 1671e2d15004SDag-Erling Smørgrav cfg_set_bit(taglist, len, id); 1672e2d15004SDag-Erling Smørgrav } 1673e2d15004SDag-Erling Smørgrav } 1674e2d15004SDag-Erling Smørgrav 1675e2d15004SDag-Erling Smørgrav *listlen = len; 1676e2d15004SDag-Erling Smørgrav return taglist; 1677e2d15004SDag-Erling Smørgrav } 1678e2d15004SDag-Erling Smørgrav 1679e2d15004SDag-Erling Smørgrav char* config_taglist2str(struct config_file* cfg, uint8_t* taglist, 1680e2d15004SDag-Erling Smørgrav size_t taglen) 1681e2d15004SDag-Erling Smørgrav { 1682e2d15004SDag-Erling Smørgrav char buf[10240]; 1683e2d15004SDag-Erling Smørgrav size_t i, j, len = 0; 1684e2d15004SDag-Erling Smørgrav buf[0] = 0; 1685e2d15004SDag-Erling Smørgrav for(i=0; i<taglen; i++) { 1686e2d15004SDag-Erling Smørgrav if(taglist[i] == 0) 1687e2d15004SDag-Erling Smørgrav continue; 1688e2d15004SDag-Erling Smørgrav for(j=0; j<8; j++) { 1689e2d15004SDag-Erling Smørgrav if((taglist[i] & (1<<j)) != 0) { 1690e2d15004SDag-Erling Smørgrav size_t id = i*8 + j; 1691e2d15004SDag-Erling Smørgrav snprintf(buf+len, sizeof(buf)-len, "%s%s", 1692e2d15004SDag-Erling Smørgrav (len==0?"":" "), cfg->tagname[id]); 1693e2d15004SDag-Erling Smørgrav len += strlen(buf+len); 1694e2d15004SDag-Erling Smørgrav } 1695e2d15004SDag-Erling Smørgrav } 1696e2d15004SDag-Erling Smørgrav } 1697e2d15004SDag-Erling Smørgrav return strdup(buf); 1698e2d15004SDag-Erling Smørgrav } 1699e2d15004SDag-Erling Smørgrav 1700e2d15004SDag-Erling Smørgrav int taglist_intersect(uint8_t* list1, size_t list1len, uint8_t* list2, 1701e2d15004SDag-Erling Smørgrav size_t list2len) 1702e2d15004SDag-Erling Smørgrav { 1703e2d15004SDag-Erling Smørgrav size_t i; 1704e2d15004SDag-Erling Smørgrav if(!list1 || !list2) 1705e2d15004SDag-Erling Smørgrav return 0; 1706e2d15004SDag-Erling Smørgrav for(i=0; i<list1len && i<list2len; i++) { 1707e2d15004SDag-Erling Smørgrav if((list1[i] & list2[i]) != 0) 1708e2d15004SDag-Erling Smørgrav return 1; 1709e2d15004SDag-Erling Smørgrav } 1710e2d15004SDag-Erling Smørgrav return 0; 1711e2d15004SDag-Erling Smørgrav } 1712e2d15004SDag-Erling Smørgrav 1713b7579f77SDag-Erling Smørgrav void 1714b7579f77SDag-Erling Smørgrav config_apply(struct config_file* config) 1715b7579f77SDag-Erling Smørgrav { 171617d15b25SDag-Erling Smørgrav MAX_TTL = (time_t)config->max_ttl; 171717d15b25SDag-Erling Smørgrav MIN_TTL = (time_t)config->min_ttl; 171809a3aaf3SDag-Erling Smørgrav MAX_NEG_TTL = (time_t)config->max_negative_ttl; 17196480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; 1720b7579f77SDag-Erling Smørgrav EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; 1721b7579f77SDag-Erling Smørgrav MINIMAL_RESPONSES = config->minimal_responses; 1722b7579f77SDag-Erling Smørgrav RRSET_ROUNDROBIN = config->rrset_roundrobin; 1723b7579f77SDag-Erling Smørgrav log_set_time_asc(config->log_time_ascii); 1724b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = config->permit_small_holddown; 1725b7579f77SDag-Erling Smørgrav } 1726b7579f77SDag-Erling Smørgrav 1727748bd829SDag-Erling Smørgrav void config_lookup_uid(struct config_file* cfg) 1728748bd829SDag-Erling Smørgrav { 1729748bd829SDag-Erling Smørgrav #ifdef HAVE_GETPWNAM 1730748bd829SDag-Erling Smørgrav /* translate username into uid and gid */ 1731748bd829SDag-Erling Smørgrav if(cfg->username && cfg->username[0]) { 1732748bd829SDag-Erling Smørgrav struct passwd *pwd; 17336480faa8SDag-Erling Smørgrav if((pwd = getpwnam(cfg->username)) != NULL) { 17346480faa8SDag-Erling Smørgrav cfg_uid = pwd->pw_uid; 17356480faa8SDag-Erling Smørgrav cfg_gid = pwd->pw_gid; 1736748bd829SDag-Erling Smørgrav } 17376480faa8SDag-Erling Smørgrav } 17386480faa8SDag-Erling Smørgrav #else 17396480faa8SDag-Erling Smørgrav (void)cfg; 1740748bd829SDag-Erling Smørgrav #endif 1741748bd829SDag-Erling Smørgrav } 1742748bd829SDag-Erling Smørgrav 1743b7579f77SDag-Erling Smørgrav /** 1744b7579f77SDag-Erling Smørgrav * Calculate string length of full pathname in original filesys 1745b7579f77SDag-Erling Smørgrav * @param fname: the path name to convert. 1746b7579f77SDag-Erling Smørgrav * Must not be null or empty. 1747b7579f77SDag-Erling Smørgrav * @param cfg: config struct for chroot and chdir (if set). 1748b7579f77SDag-Erling Smørgrav * @param use_chdir: if false, only chroot is applied. 1749b7579f77SDag-Erling Smørgrav * @return length of string. 1750b7579f77SDag-Erling Smørgrav * remember to allocate one more for 0 at end in mallocs. 1751b7579f77SDag-Erling Smørgrav */ 1752b7579f77SDag-Erling Smørgrav static size_t 1753b7579f77SDag-Erling Smørgrav strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1754b7579f77SDag-Erling Smørgrav { 1755b7579f77SDag-Erling Smørgrav size_t len = 0; 1756b7579f77SDag-Erling Smørgrav int slashit = 0; 1757b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1758b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1759b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 1760b7579f77SDag-Erling Smørgrav return strlen(fname); 1761b7579f77SDag-Erling Smørgrav } 1762b7579f77SDag-Erling Smørgrav /* chroot */ 1763b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1764b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 1765b7579f77SDag-Erling Smørgrav len += strlen(cfg->chrootdir); 1766b7579f77SDag-Erling Smørgrav slashit = 1; 1767b7579f77SDag-Erling Smørgrav } 1768b7579f77SDag-Erling Smørgrav /* chdir */ 1769b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1770b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1771b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1772b7579f77SDag-Erling Smørgrav } else 1773b7579f77SDag-Erling Smørgrav #endif 1774b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1775b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1776b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1777b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1778b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 1779b7579f77SDag-Erling Smørgrav len++; 1780b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1781b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1782b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 1783b7579f77SDag-Erling Smørgrav len += strlen(cfg->directory)-strlen(cfg->chrootdir); 1784b7579f77SDag-Erling Smørgrav else len += strlen(cfg->directory); 1785b7579f77SDag-Erling Smørgrav slashit = 1; 1786b7579f77SDag-Erling Smørgrav } 1787b7579f77SDag-Erling Smørgrav /* fname */ 1788b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 1789b7579f77SDag-Erling Smørgrav len++; 1790b7579f77SDag-Erling Smørgrav len += strlen(fname); 1791b7579f77SDag-Erling Smørgrav return len; 1792b7579f77SDag-Erling Smørgrav } 1793b7579f77SDag-Erling Smørgrav 1794b7579f77SDag-Erling Smørgrav char* 1795b7579f77SDag-Erling Smørgrav fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1796b7579f77SDag-Erling Smørgrav { 179717d15b25SDag-Erling Smørgrav size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; 1798b7579f77SDag-Erling Smørgrav int slashit = 0; 179917d15b25SDag-Erling Smørgrav char* buf = (char*)malloc(len); 1800b7579f77SDag-Erling Smørgrav if(!buf) 1801b7579f77SDag-Erling Smørgrav return NULL; 1802b7579f77SDag-Erling Smørgrav buf[0] = 0; 1803b7579f77SDag-Erling Smørgrav /* is fname already in chroot ? */ 1804b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1805b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1806b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 180717d15b25SDag-Erling Smørgrav (void)strlcpy(buf, fname, len); 180817d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1809b7579f77SDag-Erling Smørgrav return buf; 1810b7579f77SDag-Erling Smørgrav } 1811b7579f77SDag-Erling Smørgrav /* chroot */ 1812b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1813b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 181417d15b25SDag-Erling Smørgrav (void)strlcpy(buf, cfg->chrootdir, len); 1815b7579f77SDag-Erling Smørgrav slashit = 1; 1816b7579f77SDag-Erling Smørgrav } 1817b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1818b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1819b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1820b7579f77SDag-Erling Smørgrav } else 1821b7579f77SDag-Erling Smørgrav #endif 1822b7579f77SDag-Erling Smørgrav /* chdir */ 1823b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1824b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1825b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1826b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1827b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 182817d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 1829b7579f77SDag-Erling Smørgrav /* is the directory already in the chroot? */ 1830b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1831b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1832b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 183317d15b25SDag-Erling Smørgrav (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), 183417d15b25SDag-Erling Smørgrav len); 183517d15b25SDag-Erling Smørgrav else (void)strlcat(buf, cfg->directory, len); 1836b7579f77SDag-Erling Smørgrav slashit = 1; 1837b7579f77SDag-Erling Smørgrav } 1838b7579f77SDag-Erling Smørgrav /* fname */ 1839b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 184017d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 184117d15b25SDag-Erling Smørgrav (void)strlcat(buf, fname, len); 184217d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1843b7579f77SDag-Erling Smørgrav return buf; 1844b7579f77SDag-Erling Smørgrav } 1845b7579f77SDag-Erling Smørgrav 1846b7579f77SDag-Erling Smørgrav /** return next space character in string */ 1847b7579f77SDag-Erling Smørgrav static char* next_space_pos(const char* str) 1848b7579f77SDag-Erling Smørgrav { 1849b7579f77SDag-Erling Smørgrav char* sp = strchr(str, ' '); 1850b7579f77SDag-Erling Smørgrav char* tab = strchr(str, '\t'); 1851b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1852b7579f77SDag-Erling Smørgrav return NULL; 1853b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1854b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1855b7579f77SDag-Erling Smørgrav return (sp<tab)?sp:tab; 1856b7579f77SDag-Erling Smørgrav } 1857b7579f77SDag-Erling Smørgrav 1858b7579f77SDag-Erling Smørgrav /** return last space character in string */ 1859b7579f77SDag-Erling Smørgrav static char* last_space_pos(const char* str) 1860b7579f77SDag-Erling Smørgrav { 1861b7579f77SDag-Erling Smørgrav char* sp = strrchr(str, ' '); 1862b7579f77SDag-Erling Smørgrav char* tab = strrchr(str, '\t'); 1863b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1864b7579f77SDag-Erling Smørgrav return NULL; 1865b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1866b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1867b7579f77SDag-Erling Smørgrav return (sp>tab)?sp:tab; 1868b7579f77SDag-Erling Smørgrav } 1869b7579f77SDag-Erling Smørgrav 1870b7579f77SDag-Erling Smørgrav int 1871b7579f77SDag-Erling Smørgrav cfg_parse_local_zone(struct config_file* cfg, const char* val) 1872b7579f77SDag-Erling Smørgrav { 1873b7579f77SDag-Erling Smørgrav const char *type, *name_end, *name; 1874b7579f77SDag-Erling Smørgrav char buf[256]; 1875b7579f77SDag-Erling Smørgrav 1876b7579f77SDag-Erling Smørgrav /* parse it as: [zone_name] [between stuff] [zone_type] */ 1877b7579f77SDag-Erling Smørgrav name = val; 1878ff825849SDag-Erling Smørgrav while(*name && isspace((unsigned char)*name)) 1879b7579f77SDag-Erling Smørgrav name++; 1880b7579f77SDag-Erling Smørgrav if(!*name) { 1881b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", val); 1882b7579f77SDag-Erling Smørgrav return 0; 1883b7579f77SDag-Erling Smørgrav } 1884b7579f77SDag-Erling Smørgrav name_end = next_space_pos(name); 1885b7579f77SDag-Erling Smørgrav if(!name_end || !*name_end) { 1886b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1887b7579f77SDag-Erling Smørgrav return 0; 1888b7579f77SDag-Erling Smørgrav } 1889b7579f77SDag-Erling Smørgrav if (name_end - name > 255) { 1890b7579f77SDag-Erling Smørgrav log_err("syntax error: bad zone name: %s", val); 1891b7579f77SDag-Erling Smørgrav return 0; 1892b7579f77SDag-Erling Smørgrav } 189317d15b25SDag-Erling Smørgrav (void)strlcpy(buf, name, sizeof(buf)); 1894b7579f77SDag-Erling Smørgrav buf[name_end-name] = '\0'; 1895b7579f77SDag-Erling Smørgrav 1896b7579f77SDag-Erling Smørgrav type = last_space_pos(name_end); 1897ff825849SDag-Erling Smørgrav while(type && *type && isspace((unsigned char)*type)) 1898b7579f77SDag-Erling Smørgrav type++; 1899b7579f77SDag-Erling Smørgrav if(!type || !*type) { 1900b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1901b7579f77SDag-Erling Smørgrav return 0; 1902b7579f77SDag-Erling Smørgrav } 1903b7579f77SDag-Erling Smørgrav 1904b7579f77SDag-Erling Smørgrav if(strcmp(type, "nodefault")==0) { 1905b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_zones_nodefault, 1906b7579f77SDag-Erling Smørgrav strdup(name)); 1907b7579f77SDag-Erling Smørgrav } else { 1908b7579f77SDag-Erling Smørgrav return cfg_str2list_insert(&cfg->local_zones, strdup(buf), 1909b7579f77SDag-Erling Smørgrav strdup(type)); 1910b7579f77SDag-Erling Smørgrav } 1911b7579f77SDag-Erling Smørgrav } 1912b7579f77SDag-Erling Smørgrav 1913b7579f77SDag-Erling Smørgrav char* cfg_ptr_reverse(char* str) 1914b7579f77SDag-Erling Smørgrav { 1915b7579f77SDag-Erling Smørgrav char* ip, *ip_end; 1916b7579f77SDag-Erling Smørgrav char* name; 1917b7579f77SDag-Erling Smørgrav char* result; 1918b7579f77SDag-Erling Smørgrav char buf[1024]; 1919b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 1920b7579f77SDag-Erling Smørgrav socklen_t addrlen; 1921b7579f77SDag-Erling Smørgrav 1922b7579f77SDag-Erling Smørgrav /* parse it as: [IP] [between stuff] [name] */ 1923b7579f77SDag-Erling Smørgrav ip = str; 1924ff825849SDag-Erling Smørgrav while(*ip && isspace((unsigned char)*ip)) 1925b7579f77SDag-Erling Smørgrav ip++; 1926b7579f77SDag-Erling Smørgrav if(!*ip) { 1927b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", str); 1928b7579f77SDag-Erling Smørgrav return NULL; 1929b7579f77SDag-Erling Smørgrav } 1930b7579f77SDag-Erling Smørgrav ip_end = next_space_pos(ip); 1931b7579f77SDag-Erling Smørgrav if(!ip_end || !*ip_end) { 1932b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1933b7579f77SDag-Erling Smørgrav return NULL; 1934b7579f77SDag-Erling Smørgrav } 1935b7579f77SDag-Erling Smørgrav 1936b7579f77SDag-Erling Smørgrav name = last_space_pos(ip_end); 1937b7579f77SDag-Erling Smørgrav if(!name || !*name) { 1938b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1939b7579f77SDag-Erling Smørgrav return NULL; 1940b7579f77SDag-Erling Smørgrav } 1941b7579f77SDag-Erling Smørgrav 1942b7579f77SDag-Erling Smørgrav sscanf(ip, "%100s", buf); 1943b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1]=0; 1944b7579f77SDag-Erling Smørgrav 1945b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { 1946b7579f77SDag-Erling Smørgrav log_err("syntax error: cannot parse address: %s", str); 1947b7579f77SDag-Erling Smørgrav return NULL; 1948b7579f77SDag-Erling Smørgrav } 1949b7579f77SDag-Erling Smørgrav 1950b7579f77SDag-Erling Smørgrav /* reverse IPv4: 1951b7579f77SDag-Erling Smørgrav * ddd.ddd.ddd.ddd.in-addr-arpa. 1952b7579f77SDag-Erling Smørgrav * IPv6: (h.){32}.ip6.arpa. */ 1953b7579f77SDag-Erling Smørgrav 1954b7579f77SDag-Erling Smørgrav if(addr_is_ip6(&addr, addrlen)) { 1955b7579f77SDag-Erling Smørgrav uint8_t ad[16]; 1956b7579f77SDag-Erling Smørgrav const char* hex = "0123456789abcdef"; 1957b7579f77SDag-Erling Smørgrav char *p = buf; 1958b7579f77SDag-Erling Smørgrav int i; 1959b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, 1960b7579f77SDag-Erling Smørgrav sizeof(ad)); 1961b7579f77SDag-Erling Smørgrav for(i=15; i>=0; i--) { 1962b7579f77SDag-Erling Smørgrav uint8_t b = ad[i]; 1963b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0x0f) ]; 1964b7579f77SDag-Erling Smørgrav *p++ = '.'; 1965b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0xf0) >> 4 ]; 1966b7579f77SDag-Erling Smørgrav *p++ = '.'; 1967b7579f77SDag-Erling Smørgrav } 1968b7579f77SDag-Erling Smørgrav snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); 1969b7579f77SDag-Erling Smørgrav } else { 1970b7579f77SDag-Erling Smørgrav uint8_t ad[4]; 1971b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, 1972b7579f77SDag-Erling Smørgrav sizeof(ad)); 1973b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", 1974b7579f77SDag-Erling Smørgrav (unsigned)ad[3], (unsigned)ad[2], 1975b7579f77SDag-Erling Smørgrav (unsigned)ad[1], (unsigned)ad[0]); 1976b7579f77SDag-Erling Smørgrav } 1977b7579f77SDag-Erling Smørgrav 1978b7579f77SDag-Erling Smørgrav /* printed the reverse address, now the between goop and name on end */ 1979ff825849SDag-Erling Smørgrav while(*ip_end && isspace((unsigned char)*ip_end)) 1980b7579f77SDag-Erling Smørgrav ip_end++; 1981b7579f77SDag-Erling Smørgrav if(name>ip_end) { 1982b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", 1983b7579f77SDag-Erling Smørgrav (int)(name-ip_end), ip_end); 1984b7579f77SDag-Erling Smørgrav } 1985b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); 1986b7579f77SDag-Erling Smørgrav 1987b7579f77SDag-Erling Smørgrav result = strdup(buf); 1988b7579f77SDag-Erling Smørgrav if(!result) { 1989b7579f77SDag-Erling Smørgrav log_err("out of memory parsing %s", str); 1990b7579f77SDag-Erling Smørgrav return NULL; 1991b7579f77SDag-Erling Smørgrav } 1992b7579f77SDag-Erling Smørgrav return result; 1993b7579f77SDag-Erling Smørgrav } 1994b7579f77SDag-Erling Smørgrav 1995b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1996b7579f77SDag-Erling Smørgrav char* 1997b7579f77SDag-Erling Smørgrav w_lookup_reg_str(const char* key, const char* name) 1998b7579f77SDag-Erling Smørgrav { 1999b7579f77SDag-Erling Smørgrav HKEY hk = NULL; 2000b7579f77SDag-Erling Smørgrav DWORD type = 0; 2001b7579f77SDag-Erling Smørgrav BYTE buf[1024]; 2002b7579f77SDag-Erling Smørgrav DWORD len = (DWORD)sizeof(buf); 2003b7579f77SDag-Erling Smørgrav LONG ret; 2004b7579f77SDag-Erling Smørgrav char* result = NULL; 2005b7579f77SDag-Erling Smørgrav ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); 2006b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 2007b7579f77SDag-Erling Smørgrav return NULL; /* key does not exist */ 2008b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 2009b7579f77SDag-Erling Smørgrav log_err("RegOpenKeyEx failed"); 2010b7579f77SDag-Erling Smørgrav return NULL; 2011b7579f77SDag-Erling Smørgrav } 2012b7579f77SDag-Erling Smørgrav ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); 2013b7579f77SDag-Erling Smørgrav if(RegCloseKey(hk)) 2014b7579f77SDag-Erling Smørgrav log_err("RegCloseKey"); 2015b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 2016b7579f77SDag-Erling Smørgrav return NULL; /* name does not exist */ 2017b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 2018b7579f77SDag-Erling Smørgrav log_err("RegQueryValueEx failed"); 2019b7579f77SDag-Erling Smørgrav return NULL; 2020b7579f77SDag-Erling Smørgrav } 2021b7579f77SDag-Erling Smørgrav if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { 2022b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1] = 0; 2023b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-2] = 0; /* for multi_sz */ 2024b7579f77SDag-Erling Smørgrav result = strdup((char*)buf); 2025b7579f77SDag-Erling Smørgrav if(!result) log_err("out of memory"); 2026b7579f77SDag-Erling Smørgrav } 2027b7579f77SDag-Erling Smørgrav return result; 2028b7579f77SDag-Erling Smørgrav } 202905ab2901SDag-Erling Smørgrav 203005ab2901SDag-Erling Smørgrav void w_config_adjust_directory(struct config_file* cfg) 203105ab2901SDag-Erling Smørgrav { 203205ab2901SDag-Erling Smørgrav if(cfg->directory && cfg->directory[0]) { 203305ab2901SDag-Erling Smørgrav TCHAR dirbuf[2*MAX_PATH+4]; 203405ab2901SDag-Erling Smørgrav if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { 203505ab2901SDag-Erling Smørgrav /* get executable path, and if that contains 203605ab2901SDag-Erling Smørgrav * directories, snip off the filename part */ 203705ab2901SDag-Erling Smørgrav dirbuf[0] = 0; 203805ab2901SDag-Erling Smørgrav if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) 203905ab2901SDag-Erling Smørgrav log_err("could not GetModuleFileName"); 204005ab2901SDag-Erling Smørgrav if(strrchr(dirbuf, '\\')) { 204105ab2901SDag-Erling Smørgrav (strrchr(dirbuf, '\\'))[0] = 0; 204205ab2901SDag-Erling Smørgrav } else log_err("GetModuleFileName had no path"); 204305ab2901SDag-Erling Smørgrav if(dirbuf[0]) { 204405ab2901SDag-Erling Smørgrav /* adjust directory for later lookups to work*/ 204505ab2901SDag-Erling Smørgrav free(cfg->directory); 204605ab2901SDag-Erling Smørgrav cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); 204705ab2901SDag-Erling Smørgrav } 204805ab2901SDag-Erling Smørgrav } 204905ab2901SDag-Erling Smørgrav } 205005ab2901SDag-Erling Smørgrav } 2051b7579f77SDag-Erling Smørgrav #endif /* UB_ON_WINDOWS */ 2052b7579f77SDag-Erling Smørgrav 2053b7579f77SDag-Erling Smørgrav void errinf(struct module_qstate* qstate, const char* str) 2054b7579f77SDag-Erling Smørgrav { 2055b7579f77SDag-Erling Smørgrav struct config_strlist* p; 2056b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str) 2057b7579f77SDag-Erling Smørgrav return; 2058b7579f77SDag-Erling Smørgrav p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); 2059b7579f77SDag-Erling Smørgrav if(!p) { 2060b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 2061b7579f77SDag-Erling Smørgrav return; 2062b7579f77SDag-Erling Smørgrav } 2063b7579f77SDag-Erling Smørgrav p->next = NULL; 2064b7579f77SDag-Erling Smørgrav p->str = regional_strdup(qstate->region, str); 2065b7579f77SDag-Erling Smørgrav if(!p->str) { 2066b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 2067b7579f77SDag-Erling Smørgrav return; 2068b7579f77SDag-Erling Smørgrav } 2069b7579f77SDag-Erling Smørgrav /* add at end */ 2070b7579f77SDag-Erling Smørgrav if(qstate->errinf) { 2071b7579f77SDag-Erling Smørgrav struct config_strlist* q = qstate->errinf; 2072b7579f77SDag-Erling Smørgrav while(q->next) 2073b7579f77SDag-Erling Smørgrav q = q->next; 2074b7579f77SDag-Erling Smørgrav q->next = p; 2075b7579f77SDag-Erling Smørgrav } else qstate->errinf = p; 2076b7579f77SDag-Erling Smørgrav } 2077b7579f77SDag-Erling Smørgrav 2078b7579f77SDag-Erling Smørgrav void errinf_origin(struct module_qstate* qstate, struct sock_list *origin) 2079b7579f77SDag-Erling Smørgrav { 2080b7579f77SDag-Erling Smørgrav struct sock_list* p; 2081b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2) 2082b7579f77SDag-Erling Smørgrav return; 2083b7579f77SDag-Erling Smørgrav for(p=origin; p; p=p->next) { 2084b7579f77SDag-Erling Smørgrav char buf[256]; 2085b7579f77SDag-Erling Smørgrav if(p == origin) 2086b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "from "); 2087b7579f77SDag-Erling Smørgrav else snprintf(buf, sizeof(buf), "and "); 2088b7579f77SDag-Erling Smørgrav if(p->len == 0) 2089b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), 2090b7579f77SDag-Erling Smørgrav "cache"); 2091b7579f77SDag-Erling Smørgrav else 2092b7579f77SDag-Erling Smørgrav addr_to_str(&p->addr, p->len, buf+strlen(buf), 2093b7579f77SDag-Erling Smørgrav sizeof(buf)-strlen(buf)); 2094b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 2095b7579f77SDag-Erling Smørgrav } 2096b7579f77SDag-Erling Smørgrav } 2097b7579f77SDag-Erling Smørgrav 2098b7579f77SDag-Erling Smørgrav char* errinf_to_str(struct module_qstate* qstate) 2099b7579f77SDag-Erling Smørgrav { 2100b7579f77SDag-Erling Smørgrav char buf[20480]; 2101b7579f77SDag-Erling Smørgrav char* p = buf; 2102b7579f77SDag-Erling Smørgrav size_t left = sizeof(buf); 2103b7579f77SDag-Erling Smørgrav struct config_strlist* s; 2104b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 210517d15b25SDag-Erling Smørgrav char t[16], c[16]; 210617d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 210717d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 2108b7579f77SDag-Erling Smørgrav dname_str(qstate->qinfo.qname, dname); 2109b7579f77SDag-Erling Smørgrav snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); 2110b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 2111b7579f77SDag-Erling Smørgrav if(!qstate->errinf) 2112b7579f77SDag-Erling Smørgrav snprintf(p, left, " misc failure"); 2113b7579f77SDag-Erling Smørgrav else for(s=qstate->errinf; s; s=s->next) { 2114b7579f77SDag-Erling Smørgrav snprintf(p, left, " %s", s->str); 2115b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 2116b7579f77SDag-Erling Smørgrav } 2117b7579f77SDag-Erling Smørgrav p = strdup(buf); 2118b7579f77SDag-Erling Smørgrav if(!p) 2119b7579f77SDag-Erling Smørgrav log_err("malloc failure in errinf_to_str"); 2120b7579f77SDag-Erling Smørgrav return p; 2121b7579f77SDag-Erling Smørgrav } 2122b7579f77SDag-Erling Smørgrav 2123b7579f77SDag-Erling Smørgrav void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) 2124b7579f77SDag-Erling Smørgrav { 2125b7579f77SDag-Erling Smørgrav char buf[1024]; 2126b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 212717d15b25SDag-Erling Smørgrav char t[16], c[16]; 2128b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !rr) 2129b7579f77SDag-Erling Smørgrav return; 213017d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); 213117d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); 2132b7579f77SDag-Erling Smørgrav dname_str(rr->rk.dname, dname); 2133b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); 2134b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 2135b7579f77SDag-Erling Smørgrav } 2136b7579f77SDag-Erling Smørgrav 2137b7579f77SDag-Erling Smørgrav void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) 2138b7579f77SDag-Erling Smørgrav { 2139b7579f77SDag-Erling Smørgrav char b[1024]; 2140b7579f77SDag-Erling Smørgrav char buf[LDNS_MAX_DOMAINLEN+1]; 2141b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str || !dname) 2142b7579f77SDag-Erling Smørgrav return; 2143b7579f77SDag-Erling Smørgrav dname_str(dname, buf); 2144b7579f77SDag-Erling Smørgrav snprintf(b, sizeof(b), "%s %s", str, buf); 2145b7579f77SDag-Erling Smørgrav errinf(qstate, b); 2146b7579f77SDag-Erling Smørgrav } 2147