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 6531099b50SDag-Erling Smørgrav #ifdef HAVE_PWD_H 6631099b50SDag-Erling Smørgrav #include <pwd.h> 6731099b50SDag-Erling Smørgrav #endif 688ed2b524SDag-Erling Smørgrav 696480faa8SDag-Erling Smørgrav /** from cfg username, after daemonise setup performed */ 706480faa8SDag-Erling Smørgrav uid_t cfg_uid = (uid_t)-1; 716480faa8SDag-Erling Smørgrav /** from cfg username, after daemonise setup performed */ 726480faa8SDag-Erling Smørgrav gid_t cfg_gid = (gid_t)-1; 73b75612f8SDag-Erling Smørgrav /** for debug allow small timeout values for fast rollovers */ 74b75612f8SDag-Erling Smørgrav int autr_permit_small_holddown = 0; 756480faa8SDag-Erling Smørgrav 76b7579f77SDag-Erling Smørgrav /** global config during parsing */ 77b7579f77SDag-Erling Smørgrav struct config_parser_state* cfg_parser = 0; 78b7579f77SDag-Erling Smørgrav 79b7579f77SDag-Erling Smørgrav /** init ports possible for use */ 80b7579f77SDag-Erling Smørgrav static void init_outgoing_availports(int* array, int num); 81b7579f77SDag-Erling Smørgrav 82b7579f77SDag-Erling Smørgrav struct config_file* 83b7579f77SDag-Erling Smørgrav config_create(void) 84b7579f77SDag-Erling Smørgrav { 85b7579f77SDag-Erling Smørgrav struct config_file* cfg; 86b7579f77SDag-Erling Smørgrav cfg = (struct config_file*)calloc(1, sizeof(struct config_file)); 87b7579f77SDag-Erling Smørgrav if(!cfg) 88b7579f77SDag-Erling Smørgrav return NULL; 89b7579f77SDag-Erling Smørgrav /* the defaults if no config is present */ 90b7579f77SDag-Erling Smørgrav cfg->verbosity = 1; 91b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 92b7579f77SDag-Erling Smørgrav cfg->stat_cumulative = 0; 93b7579f77SDag-Erling Smørgrav cfg->stat_extended = 0; 94b7579f77SDag-Erling Smørgrav cfg->num_threads = 1; 95b7579f77SDag-Erling Smørgrav cfg->port = UNBOUND_DNS_PORT; 96b7579f77SDag-Erling Smørgrav cfg->do_ip4 = 1; 97b7579f77SDag-Erling Smørgrav cfg->do_ip6 = 1; 98b7579f77SDag-Erling Smørgrav cfg->do_udp = 1; 99b7579f77SDag-Erling Smørgrav cfg->do_tcp = 1; 100b7579f77SDag-Erling Smørgrav cfg->tcp_upstream = 0; 101f61ef7f6SDag-Erling Smørgrav cfg->tcp_mss = 0; 102f61ef7f6SDag-Erling Smørgrav cfg->outgoing_tcp_mss = 0; 103b7579f77SDag-Erling Smørgrav cfg->ssl_service_key = NULL; 104b7579f77SDag-Erling Smørgrav cfg->ssl_service_pem = NULL; 10505ab2901SDag-Erling Smørgrav cfg->ssl_port = 853; 106b7579f77SDag-Erling Smørgrav cfg->ssl_upstream = 0; 107b7579f77SDag-Erling Smørgrav cfg->use_syslog = 1; 108*bc892140SDag-Erling Smørgrav cfg->log_identity = NULL; /* changed later with argv[0] */ 109b7579f77SDag-Erling Smørgrav cfg->log_time_ascii = 0; 110b7579f77SDag-Erling Smørgrav cfg->log_queries = 0; 111b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 112b7579f77SDag-Erling Smørgrav # ifdef USE_MINI_EVENT 113b7579f77SDag-Erling Smørgrav /* select max 1024 sockets */ 114b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 960; 115b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 512; 116b7579f77SDag-Erling Smørgrav # else 117b7579f77SDag-Erling Smørgrav /* libevent can use many sockets */ 118b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 4096; 119b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 1024; 120b7579f77SDag-Erling Smørgrav # endif 121b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 10; 122b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 10; 123b7579f77SDag-Erling Smørgrav #else 124b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ 125b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 24; 126b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ 127b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 2; 128b7579f77SDag-Erling Smørgrav #endif 129b7579f77SDag-Erling Smørgrav cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */ 130b7579f77SDag-Erling Smørgrav cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ 131b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 4 * 1024 * 1024; 132b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 4; 133b7579f77SDag-Erling Smørgrav cfg->jostle_time = 200; 134b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 4 * 1024 * 1024; 135b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 4; 136b7579f77SDag-Erling Smørgrav cfg->host_ttl = 900; 137b7579f77SDag-Erling Smørgrav cfg->bogus_ttl = 60; 138b7579f77SDag-Erling Smørgrav cfg->min_ttl = 0; 139b7579f77SDag-Erling Smørgrav cfg->max_ttl = 3600 * 24; 14009a3aaf3SDag-Erling Smørgrav cfg->max_negative_ttl = 3600; 141b7579f77SDag-Erling Smørgrav cfg->prefetch = 0; 142b7579f77SDag-Erling Smørgrav cfg->prefetch_key = 0; 143b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 4; 144b7579f77SDag-Erling Smørgrav cfg->infra_cache_numhosts = 10000; 1456480faa8SDag-Erling Smørgrav cfg->infra_cache_min_rtt = 50; 14617d15b25SDag-Erling Smørgrav cfg->delay_close = 0; 147b7579f77SDag-Erling Smørgrav if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) 148b7579f77SDag-Erling Smørgrav goto error_exit; 149b7579f77SDag-Erling Smørgrav init_outgoing_availports(cfg->outgoing_avail_ports, 65536); 150b7579f77SDag-Erling Smørgrav if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; 151b7579f77SDag-Erling Smørgrav #ifdef HAVE_CHROOT 152b7579f77SDag-Erling Smørgrav if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; 153b7579f77SDag-Erling Smørgrav #endif 154b7579f77SDag-Erling Smørgrav if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; 155b7579f77SDag-Erling Smørgrav if(!(cfg->logfile = strdup(""))) goto error_exit; 156b7579f77SDag-Erling Smørgrav if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; 157b7579f77SDag-Erling Smørgrav if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; 158b7579f77SDag-Erling Smørgrav cfg->donotqueryaddrs = NULL; 159b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 1; 160b7579f77SDag-Erling Smørgrav cfg->root_hints = NULL; 161b7579f77SDag-Erling Smørgrav cfg->do_daemonize = 1; 162b7579f77SDag-Erling Smørgrav cfg->if_automatic = 0; 163b7579f77SDag-Erling Smørgrav cfg->so_rcvbuf = 0; 164b7579f77SDag-Erling Smørgrav cfg->so_sndbuf = 0; 16517d15b25SDag-Erling Smørgrav cfg->so_reuseport = 0; 16609a3aaf3SDag-Erling Smørgrav cfg->ip_transparent = 0; 167e2d15004SDag-Erling Smørgrav cfg->ip_freebind = 0; 168b7579f77SDag-Erling Smørgrav cfg->num_ifs = 0; 169b7579f77SDag-Erling Smørgrav cfg->ifs = NULL; 170b7579f77SDag-Erling Smørgrav cfg->num_out_ifs = 0; 171b7579f77SDag-Erling Smørgrav cfg->out_ifs = NULL; 172b7579f77SDag-Erling Smørgrav cfg->stubs = NULL; 173b7579f77SDag-Erling Smørgrav cfg->forwards = NULL; 174*bc892140SDag-Erling Smørgrav cfg->views = NULL; 175b7579f77SDag-Erling Smørgrav cfg->acls = NULL; 176b7579f77SDag-Erling Smørgrav cfg->harden_short_bufsize = 0; 177b7579f77SDag-Erling Smørgrav cfg->harden_large_queries = 0; 178b7579f77SDag-Erling Smørgrav cfg->harden_glue = 1; 179b7579f77SDag-Erling Smørgrav cfg->harden_dnssec_stripped = 1; 180b7579f77SDag-Erling Smørgrav cfg->harden_below_nxdomain = 0; 181b7579f77SDag-Erling Smørgrav cfg->harden_referral_path = 0; 182b75612f8SDag-Erling Smørgrav cfg->harden_algo_downgrade = 0; 183b7579f77SDag-Erling Smørgrav cfg->use_caps_bits_for_id = 0; 18409a3aaf3SDag-Erling Smørgrav cfg->caps_whitelist = NULL; 185b7579f77SDag-Erling Smørgrav cfg->private_address = NULL; 186b7579f77SDag-Erling Smørgrav cfg->private_domain = NULL; 187b7579f77SDag-Erling Smørgrav cfg->unwanted_threshold = 0; 188b7579f77SDag-Erling Smørgrav cfg->hide_identity = 0; 189b7579f77SDag-Erling Smørgrav cfg->hide_version = 0; 190b7579f77SDag-Erling Smørgrav cfg->identity = NULL; 191b7579f77SDag-Erling Smørgrav cfg->version = NULL; 192b7579f77SDag-Erling Smørgrav cfg->auto_trust_anchor_file_list = NULL; 193b7579f77SDag-Erling Smørgrav cfg->trust_anchor_file_list = NULL; 194b7579f77SDag-Erling Smørgrav cfg->trust_anchor_list = NULL; 195b7579f77SDag-Erling Smørgrav cfg->trusted_keys_file_list = NULL; 196b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_file = NULL; 197b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_list = NULL; 198b7579f77SDag-Erling Smørgrav cfg->domain_insecure = NULL; 199b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 200b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ 201b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ 202b7579f77SDag-Erling Smørgrav cfg->val_clean_additional = 1; 203b7579f77SDag-Erling Smørgrav cfg->val_log_level = 0; 204b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 0; 205b7579f77SDag-Erling Smørgrav cfg->val_permissive_mode = 0; 206b7579f77SDag-Erling Smørgrav cfg->ignore_cd = 0; 207*bc892140SDag-Erling Smørgrav cfg->serve_expired = 0; 208b7579f77SDag-Erling Smørgrav cfg->add_holddown = 30*24*3600; 209b7579f77SDag-Erling Smørgrav cfg->del_holddown = 30*24*3600; 210b7579f77SDag-Erling Smørgrav cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ 211b75612f8SDag-Erling Smørgrav cfg->permit_small_holddown = 0; 212b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 4 * 1024 * 1024; 213b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 4; 214b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 1 * 1024 * 1024; 215b7579f77SDag-Erling Smørgrav cfg->local_zones = NULL; 216b7579f77SDag-Erling Smørgrav cfg->local_zones_nodefault = NULL; 217b7579f77SDag-Erling Smørgrav cfg->local_data = NULL; 218b5663de9SDag-Erling Smørgrav cfg->local_zone_overrides = NULL; 219c536e4dcSDag-Erling Smørgrav cfg->unblock_lan_zones = 0; 2200de4f1bfSDag-Erling Smørgrav cfg->insecure_lan_zones = 0; 221b7579f77SDag-Erling Smørgrav cfg->python_script = NULL; 222b7579f77SDag-Erling Smørgrav cfg->remote_control_enable = 0; 223b7579f77SDag-Erling Smørgrav cfg->control_ifs = NULL; 224b7579f77SDag-Erling Smørgrav cfg->control_port = UNBOUND_CONTROL_PORT; 225748bd829SDag-Erling Smørgrav cfg->remote_control_use_cert = 1; 226b7579f77SDag-Erling Smørgrav cfg->minimal_responses = 0; 227b7579f77SDag-Erling Smørgrav cfg->rrset_roundrobin = 0; 22817d15b25SDag-Erling Smørgrav cfg->max_udp_size = 4096; 229b7579f77SDag-Erling Smørgrav if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) 230b7579f77SDag-Erling Smørgrav goto error_exit; 231b7579f77SDag-Erling Smørgrav if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) 232b7579f77SDag-Erling Smørgrav goto error_exit; 233b7579f77SDag-Erling Smørgrav if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) 234b7579f77SDag-Erling Smørgrav goto error_exit; 235b7579f77SDag-Erling Smørgrav if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) 236b7579f77SDag-Erling Smørgrav goto error_exit; 237b7579f77SDag-Erling Smørgrav 238b7579f77SDag-Erling Smørgrav if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; 239b7579f77SDag-Erling Smørgrav if(!(cfg->val_nsec3_key_iterations = 240b7579f77SDag-Erling Smørgrav strdup("1024 150 2048 500 4096 2500"))) goto error_exit; 241ff825849SDag-Erling Smørgrav #if defined(DNSTAP_SOCKET_PATH) 242ff825849SDag-Erling Smørgrav if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) 243ff825849SDag-Erling Smørgrav goto error_exit; 244ff825849SDag-Erling Smørgrav #endif 245e2d15004SDag-Erling Smørgrav cfg->disable_dnssec_lame_check = 0; 24609a3aaf3SDag-Erling Smørgrav cfg->ratelimit = 0; 24709a3aaf3SDag-Erling Smørgrav cfg->ratelimit_slabs = 4; 24809a3aaf3SDag-Erling Smørgrav cfg->ratelimit_size = 4*1024*1024; 24909a3aaf3SDag-Erling Smørgrav cfg->ratelimit_for_domain = NULL; 25009a3aaf3SDag-Erling Smørgrav cfg->ratelimit_below_domain = NULL; 25109a3aaf3SDag-Erling Smørgrav cfg->ratelimit_factor = 10; 25205ab2901SDag-Erling Smørgrav cfg->qname_minimisation = 0; 253*bc892140SDag-Erling Smørgrav cfg->qname_minimisation_strict = 0; 254b7579f77SDag-Erling Smørgrav return cfg; 255b7579f77SDag-Erling Smørgrav error_exit: 256b7579f77SDag-Erling Smørgrav config_delete(cfg); 257b7579f77SDag-Erling Smørgrav return NULL; 258b7579f77SDag-Erling Smørgrav } 259b7579f77SDag-Erling Smørgrav 260b7579f77SDag-Erling Smørgrav struct config_file* config_create_forlib(void) 261b7579f77SDag-Erling Smørgrav { 262b7579f77SDag-Erling Smørgrav struct config_file* cfg = config_create(); 263b7579f77SDag-Erling Smørgrav if(!cfg) return NULL; 264b7579f77SDag-Erling Smørgrav /* modifications for library use, less verbose, less memory */ 265b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 266b7579f77SDag-Erling Smørgrav cfg->chrootdir = NULL; 267b7579f77SDag-Erling Smørgrav cfg->verbosity = 0; 268b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' 269b7579f77SDag-Erling Smørgrav and probably within the ulimit(maxfds) of the user */ 270b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; 271b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 1024*1024; 272b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 1; 273b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 1024*1024; 274b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 1; 275b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 1; 276b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 277b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 1024*1024; 278b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 1; 279b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 100 * 1024; 280b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 0; /* allow, so that you can ask a 281b7579f77SDag-Erling Smørgrav forward nameserver running on localhost */ 282b7579f77SDag-Erling Smørgrav cfg->val_log_level = 2; /* to fill why_bogus with */ 283b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 1; 284b7579f77SDag-Erling Smørgrav return cfg; 285b7579f77SDag-Erling Smørgrav } 286b7579f77SDag-Erling Smørgrav 287b7579f77SDag-Erling Smørgrav /** check that the value passed is >= 0 */ 288b7579f77SDag-Erling Smørgrav #define IS_NUMBER_OR_ZERO \ 289b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 290b7579f77SDag-Erling Smørgrav /** check that the value passed is > 0 */ 291b7579f77SDag-Erling Smørgrav #define IS_NONZERO_NUMBER \ 292b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0 293b7579f77SDag-Erling Smørgrav /** check that the value passed is not 0 and a power of 2 */ 294b7579f77SDag-Erling Smørgrav #define IS_POW2_NUMBER \ 295b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 296b7579f77SDag-Erling Smørgrav /** check that the value passed is yes or no */ 297b7579f77SDag-Erling Smørgrav #define IS_YES_OR_NO \ 298b7579f77SDag-Erling Smørgrav if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 299b7579f77SDag-Erling Smørgrav /** put integer_or_zero into variable */ 300b7579f77SDag-Erling Smørgrav #define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 301b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } 302b7579f77SDag-Erling Smørgrav /** put integer_nonzero into variable */ 303b7579f77SDag-Erling Smørgrav #define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 304b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = atoi(val); } 305b7579f77SDag-Erling Smørgrav /** put integer_or_zero into unsigned */ 306b7579f77SDag-Erling Smørgrav #define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 307b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } 308b7579f77SDag-Erling Smørgrav /** put integer_or_zero into size_t */ 309b7579f77SDag-Erling Smørgrav #define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 310b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } 311b7579f77SDag-Erling Smørgrav /** put integer_nonzero into size_t */ 312b7579f77SDag-Erling Smørgrav #define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 313b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } 314b7579f77SDag-Erling Smørgrav /** put yesno into variable */ 315b7579f77SDag-Erling Smørgrav #define S_YNO(str, var) if(strcmp(opt, str) == 0) \ 316b7579f77SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } 317b7579f77SDag-Erling Smørgrav /** put memsize into variable */ 318b7579f77SDag-Erling Smørgrav #define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ 319b7579f77SDag-Erling Smørgrav { return cfg_parse_memsize(val, &cfg->var); } 320b7579f77SDag-Erling Smørgrav /** put pow2 number into variable */ 321b7579f77SDag-Erling Smørgrav #define S_POW2(str, var) if(strcmp(opt, str)==0) \ 322b7579f77SDag-Erling Smørgrav { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } 323b7579f77SDag-Erling Smørgrav /** put string into variable */ 324b7579f77SDag-Erling Smørgrav #define S_STR(str, var) if(strcmp(opt, str)==0) \ 325b7579f77SDag-Erling Smørgrav { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } 326b7579f77SDag-Erling Smørgrav /** put string into strlist */ 327b7579f77SDag-Erling Smørgrav #define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ 328b7579f77SDag-Erling Smørgrav { return cfg_strlist_insert(&cfg->var, strdup(val)); } 329b7579f77SDag-Erling Smørgrav 330b7579f77SDag-Erling Smørgrav int config_set_option(struct config_file* cfg, const char* opt, 331b7579f77SDag-Erling Smørgrav const char* val) 332b7579f77SDag-Erling Smørgrav { 333b7579f77SDag-Erling Smørgrav S_NUMBER_OR_ZERO("verbosity:", verbosity) 334b7579f77SDag-Erling Smørgrav else if(strcmp(opt, "statistics-interval:") == 0) { 335b7579f77SDag-Erling Smørgrav if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) 336b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 337b7579f77SDag-Erling Smørgrav else if(atoi(val) == 0) 338b7579f77SDag-Erling Smørgrav return 0; 339b7579f77SDag-Erling Smørgrav else cfg->stat_interval = atoi(val); 340b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "num_threads:") == 0) { 341b7579f77SDag-Erling Smørgrav /* not supported, library must have 1 thread in bgworker */ 342b7579f77SDag-Erling Smørgrav return 0; 343b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-permit:") == 0) { 344b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 1, 345b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 346b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { 347b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 0, 348b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 349b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-zone:") == 0) { 350b7579f77SDag-Erling Smørgrav return cfg_parse_local_zone(cfg, val); 351b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "val-override-date:") == 0) { 352b7579f77SDag-Erling Smørgrav if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { 353b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 354b7579f77SDag-Erling Smørgrav } else if(strlen(val) == 14) { 355b7579f77SDag-Erling Smørgrav cfg->val_date_override = cfg_convert_timeval(val); 356b7579f77SDag-Erling Smørgrav return cfg->val_date_override != 0; 357b7579f77SDag-Erling Smørgrav } else { 358b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0; 359b7579f77SDag-Erling Smørgrav cfg->val_date_override = (uint32_t)atoi(val); 360b7579f77SDag-Erling Smørgrav } 361b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-data-ptr:") == 0) { 362b7579f77SDag-Erling Smørgrav char* ptr = cfg_ptr_reverse((char*)opt); 363b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_data, ptr); 364b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "logfile:") == 0) { 365b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 366b7579f77SDag-Erling Smørgrav free(cfg->logfile); 367b7579f77SDag-Erling Smørgrav return (cfg->logfile = strdup(val)) != NULL; 368b7579f77SDag-Erling Smørgrav } 36917d15b25SDag-Erling Smørgrav else if(strcmp(opt, "log-time-ascii:") == 0) 37017d15b25SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); 37117d15b25SDag-Erling Smørgrav log_set_time_asc(cfg->log_time_ascii); } 37217d15b25SDag-Erling Smørgrav else S_SIZET_NONZERO("max-udp-size:", max_udp_size) 373b7579f77SDag-Erling Smørgrav else S_YNO("use-syslog:", use_syslog) 374*bc892140SDag-Erling Smørgrav else S_STR("log-identity:", log_identity) 375b7579f77SDag-Erling Smørgrav else S_YNO("extended-statistics:", stat_extended) 376b7579f77SDag-Erling Smørgrav else S_YNO("statistics-cumulative:", stat_cumulative) 377b7579f77SDag-Erling Smørgrav else S_YNO("do-ip4:", do_ip4) 378b7579f77SDag-Erling Smørgrav else S_YNO("do-ip6:", do_ip6) 379b7579f77SDag-Erling Smørgrav else S_YNO("do-udp:", do_udp) 380b7579f77SDag-Erling Smørgrav else S_YNO("do-tcp:", do_tcp) 381b7579f77SDag-Erling Smørgrav else S_YNO("tcp-upstream:", tcp_upstream) 382f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) 383f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) 384b7579f77SDag-Erling Smørgrav else S_YNO("ssl-upstream:", ssl_upstream) 385b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-key:", ssl_service_key) 386b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-pem:", ssl_service_pem) 387b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("ssl-port:", ssl_port) 388b7579f77SDag-Erling Smørgrav else S_YNO("interface-automatic:", if_automatic) 389b7579f77SDag-Erling Smørgrav else S_YNO("do-daemonize:", do_daemonize) 390b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("port:", port) 391b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) 392b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) 393b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) 394b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) 395b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) 396b7579f77SDag-Erling Smørgrav else S_MEMSIZE("msg-cache-size:", msg_cache_size) 397b7579f77SDag-Erling Smørgrav else S_POW2("msg-cache-slabs:", msg_cache_slabs) 398b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) 399b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) 400b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) 401b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-sndbuf:", so_sndbuf) 40217d15b25SDag-Erling Smørgrav else S_YNO("so-reuseport:", so_reuseport) 40309a3aaf3SDag-Erling Smørgrav else S_YNO("ip-transparent:", ip_transparent) 404e2d15004SDag-Erling Smørgrav else S_YNO("ip-freebind:", ip_freebind) 405b7579f77SDag-Erling Smørgrav else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) 406b7579f77SDag-Erling Smørgrav else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) 407b7579f77SDag-Erling Smørgrav else S_YNO("prefetch:", prefetch) 408b7579f77SDag-Erling Smørgrav else S_YNO("prefetch-key:", prefetch_key) 40917d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-ttl:") == 0) 41017d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} 41109a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-negative-ttl:") == 0) 41209a3aaf3SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} 41317d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-min-ttl:") == 0) 41417d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} 4156480faa8SDag-Erling Smørgrav else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { 4166480faa8SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); 4176480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; 4186480faa8SDag-Erling Smørgrav } 419b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) 420b7579f77SDag-Erling Smørgrav else S_POW2("infra-cache-slabs:", infra_cache_slabs) 421b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) 42217d15b25SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("delay-close:", delay_close) 423b7579f77SDag-Erling Smørgrav else S_STR("chroot:", chrootdir) 424b7579f77SDag-Erling Smørgrav else S_STR("username:", username) 425b7579f77SDag-Erling Smørgrav else S_STR("directory:", directory) 426b7579f77SDag-Erling Smørgrav else S_STR("pidfile:", pidfile) 427b7579f77SDag-Erling Smørgrav else S_YNO("hide-identity:", hide_identity) 428b7579f77SDag-Erling Smørgrav else S_YNO("hide-version:", hide_version) 429b7579f77SDag-Erling Smørgrav else S_STR("identity:", identity) 430b7579f77SDag-Erling Smørgrav else S_STR("version:", version) 431b7579f77SDag-Erling Smørgrav else S_STRLIST("root-hints:", root_hints) 432b7579f77SDag-Erling Smørgrav else S_STR("target-fetch-policy:", target_fetch_policy) 433b7579f77SDag-Erling Smørgrav else S_YNO("harden-glue:", harden_glue) 434b7579f77SDag-Erling Smørgrav else S_YNO("harden-short-bufsize:", harden_short_bufsize) 435b7579f77SDag-Erling Smørgrav else S_YNO("harden-large-queries:", harden_large_queries) 436b7579f77SDag-Erling Smørgrav else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) 437b7579f77SDag-Erling Smørgrav else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) 438b7579f77SDag-Erling Smørgrav else S_YNO("harden-referral-path:", harden_referral_path) 43909a3aaf3SDag-Erling Smørgrav else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) 440b7579f77SDag-Erling Smørgrav else S_YNO("use-caps-for-id", use_caps_bits_for_id) 44109a3aaf3SDag-Erling Smørgrav else S_STRLIST("caps-whitelist:", caps_whitelist) 442b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) 443b7579f77SDag-Erling Smørgrav else S_STRLIST("private-address:", private_address) 444b7579f77SDag-Erling Smørgrav else S_STRLIST("private-domain:", private_domain) 445b7579f77SDag-Erling Smørgrav else S_YNO("do-not-query-localhost:", donotquery_localhost) 446b7579f77SDag-Erling Smørgrav else S_STRLIST("do-not-query-address:", donotqueryaddrs) 447b7579f77SDag-Erling Smørgrav else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) 448b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) 449b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor:", trust_anchor_list) 450b7579f77SDag-Erling Smørgrav else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) 451b7579f77SDag-Erling Smørgrav else S_STR("dlv-anchor-file:", dlv_anchor_file) 452b7579f77SDag-Erling Smørgrav else S_STRLIST("dlv-anchor:", dlv_anchor_list) 453b7579f77SDag-Erling Smørgrav else S_STRLIST("domain-insecure:", domain_insecure) 454b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) 455b7579f77SDag-Erling Smørgrav else S_YNO("val-clean-additional:", val_clean_additional) 456b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) 457b7579f77SDag-Erling Smørgrav else S_YNO("val-log-squelch:", val_log_squelch) 458b7579f77SDag-Erling Smørgrav else S_YNO("log-queries:", log_queries) 459b7579f77SDag-Erling Smørgrav else S_YNO("val-permissive-mode:", val_permissive_mode) 460b7579f77SDag-Erling Smørgrav else S_YNO("ignore-cd-flag:", ignore_cd) 461*bc892140SDag-Erling Smørgrav else S_YNO("serve-expired:", serve_expired) 462b7579f77SDag-Erling Smørgrav else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) 463b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) 464b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) 465b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) 466b75612f8SDag-Erling Smørgrav else if(strcmp(opt, "permit-small-holddown:") == 0) 467b75612f8SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); 468b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = cfg->permit_small_holddown; } 469b7579f77SDag-Erling Smørgrav else S_MEMSIZE("key-cache-size:", key_cache_size) 470b7579f77SDag-Erling Smørgrav else S_POW2("key-cache-slabs:", key_cache_slabs) 471b7579f77SDag-Erling Smørgrav else S_MEMSIZE("neg-cache-size:", neg_cache_size) 472b7579f77SDag-Erling Smørgrav else S_YNO("minimal-responses:", minimal_responses) 473b7579f77SDag-Erling Smørgrav else S_YNO("rrset-roundrobin:", rrset_roundrobin) 474b7579f77SDag-Erling Smørgrav else S_STRLIST("local-data:", local_data) 475c536e4dcSDag-Erling Smørgrav else S_YNO("unblock-lan-zones:", unblock_lan_zones) 4760de4f1bfSDag-Erling Smørgrav else S_YNO("insecure-lan-zones:", insecure_lan_zones) 477b7579f77SDag-Erling Smørgrav else S_YNO("control-enable:", remote_control_enable) 478b7579f77SDag-Erling Smørgrav else S_STRLIST("control-interface:", control_ifs) 479b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("control-port:", control_port) 480b7579f77SDag-Erling Smørgrav else S_STR("server-key-file:", server_key_file) 481b7579f77SDag-Erling Smørgrav else S_STR("server-cert-file:", server_cert_file) 482b7579f77SDag-Erling Smørgrav else S_STR("control-key-file:", control_key_file) 483b7579f77SDag-Erling Smørgrav else S_STR("control-cert-file:", control_cert_file) 484b7579f77SDag-Erling Smørgrav else S_STR("module-config:", module_conf) 485b7579f77SDag-Erling Smørgrav else S_STR("python-script:", python_script) 486e2d15004SDag-Erling Smørgrav else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) 48709a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "ratelimit:") == 0) { 48809a3aaf3SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); 48909a3aaf3SDag-Erling Smørgrav infra_dp_ratelimit=cfg->ratelimit; 49009a3aaf3SDag-Erling Smørgrav } 49109a3aaf3SDag-Erling Smørgrav else S_MEMSIZE("ratelimit-size:", ratelimit_size) 49209a3aaf3SDag-Erling Smørgrav else S_POW2("ratelimit-slabs:", ratelimit_slabs) 49309a3aaf3SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) 49405ab2901SDag-Erling Smørgrav else S_YNO("qname-minimisation:", qname_minimisation) 495*bc892140SDag-Erling Smørgrav else S_YNO("qname-minimisation-strict:", qname_minimisation_strict) 496e2d15004SDag-Erling Smørgrav else if(strcmp(opt, "define-tag:") ==0) { 497e2d15004SDag-Erling Smørgrav return config_add_tag(cfg, val); 49817d15b25SDag-Erling Smørgrav /* val_sig_skew_min and max are copied into val_env during init, 49917d15b25SDag-Erling Smørgrav * so this does not update val_env with set_option */ 500e2d15004SDag-Erling Smørgrav } else if(strcmp(opt, "val-sig-skew-min:") == 0) 50117d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } 50217d15b25SDag-Erling Smørgrav else if(strcmp(opt, "val-sig-skew-max:") == 0) 50317d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } 504b7579f77SDag-Erling Smørgrav else if (strcmp(opt, "outgoing-interface:") == 0) { 505b7579f77SDag-Erling Smørgrav char* d = strdup(val); 50609a3aaf3SDag-Erling Smørgrav char** oi = 50709a3aaf3SDag-Erling Smørgrav (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); 508b7579f77SDag-Erling Smørgrav if(!d || !oi) { free(d); free(oi); return -1; } 509b7579f77SDag-Erling Smørgrav if(cfg->out_ifs && cfg->num_out_ifs) { 510b7579f77SDag-Erling Smørgrav memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); 511b7579f77SDag-Erling Smørgrav free(cfg->out_ifs); 512b7579f77SDag-Erling Smørgrav } 513b7579f77SDag-Erling Smørgrav oi[cfg->num_out_ifs++] = d; 514b7579f77SDag-Erling Smørgrav cfg->out_ifs = oi; 515b7579f77SDag-Erling Smørgrav } else { 516b7579f77SDag-Erling Smørgrav /* unknown or unsupported (from the set_option interface): 517b7579f77SDag-Erling Smørgrav * interface, outgoing-interface, access-control, 518b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 519*bc892140SDag-Erling Smørgrav * forward-first, stub-first, forward-ssl-upstream, 520*bc892140SDag-Erling Smørgrav * stub-ssl-upstream, forward-zone, 521*bc892140SDag-Erling Smørgrav * name, forward-addr, forward-host, 522e2d15004SDag-Erling Smørgrav * ratelimit-for-domain, ratelimit-below-domain, 523*bc892140SDag-Erling Smørgrav * local-zone-tag, access-control-view */ 524b7579f77SDag-Erling Smørgrav return 0; 525b7579f77SDag-Erling Smørgrav } 526b7579f77SDag-Erling Smørgrav return 1; 527b7579f77SDag-Erling Smørgrav } 528b7579f77SDag-Erling Smørgrav 529b7579f77SDag-Erling Smørgrav void config_print_func(char* line, void* arg) 530b7579f77SDag-Erling Smørgrav { 531b7579f77SDag-Erling Smørgrav FILE* f = (FILE*)arg; 532b7579f77SDag-Erling Smørgrav (void)fprintf(f, "%s\n", line); 533b7579f77SDag-Erling Smørgrav } 534b7579f77SDag-Erling Smørgrav 535b7579f77SDag-Erling Smørgrav /** collate func arg */ 536b7579f77SDag-Erling Smørgrav struct config_collate_arg { 537b7579f77SDag-Erling Smørgrav /** list of result items */ 538b7579f77SDag-Erling Smørgrav struct config_strlist_head list; 539b7579f77SDag-Erling Smørgrav /** if a malloc error occurred, 0 is OK */ 540b7579f77SDag-Erling Smørgrav int status; 541b7579f77SDag-Erling Smørgrav }; 542b7579f77SDag-Erling Smørgrav 543b7579f77SDag-Erling Smørgrav void config_collate_func(char* line, void* arg) 544b7579f77SDag-Erling Smørgrav { 545b7579f77SDag-Erling Smørgrav struct config_collate_arg* m = (struct config_collate_arg*)arg; 546b7579f77SDag-Erling Smørgrav if(m->status) 547b7579f77SDag-Erling Smørgrav return; 548b7579f77SDag-Erling Smørgrav if(!cfg_strlist_append(&m->list, strdup(line))) 549b7579f77SDag-Erling Smørgrav m->status = 1; 550b7579f77SDag-Erling Smørgrav } 551b7579f77SDag-Erling Smørgrav 552b7579f77SDag-Erling Smørgrav int config_get_option_list(struct config_file* cfg, const char* opt, 553b7579f77SDag-Erling Smørgrav struct config_strlist** list) 554b7579f77SDag-Erling Smørgrav { 555b7579f77SDag-Erling Smørgrav struct config_collate_arg m; 556b7579f77SDag-Erling Smørgrav memset(&m, 0, sizeof(m)); 557b7579f77SDag-Erling Smørgrav *list = NULL; 558b7579f77SDag-Erling Smørgrav if(!config_get_option(cfg, opt, config_collate_func, &m)) 559b7579f77SDag-Erling Smørgrav return 1; 560b7579f77SDag-Erling Smørgrav if(m.status) { 561b7579f77SDag-Erling Smørgrav config_delstrlist(m.list.first); 562b7579f77SDag-Erling Smørgrav return 2; 563b7579f77SDag-Erling Smørgrav } 564b7579f77SDag-Erling Smørgrav *list = m.list.first; 565b7579f77SDag-Erling Smørgrav return 0; 566b7579f77SDag-Erling Smørgrav } 567b7579f77SDag-Erling Smørgrav 568b7579f77SDag-Erling Smørgrav int 569b7579f77SDag-Erling Smørgrav config_get_option_collate(struct config_file* cfg, const char* opt, char** str) 570b7579f77SDag-Erling Smørgrav { 571b7579f77SDag-Erling Smørgrav struct config_strlist* list = NULL; 572b7579f77SDag-Erling Smørgrav int r; 573b7579f77SDag-Erling Smørgrav *str = NULL; 574b7579f77SDag-Erling Smørgrav if((r = config_get_option_list(cfg, opt, &list)) != 0) 575b7579f77SDag-Erling Smørgrav return r; 576b7579f77SDag-Erling Smørgrav *str = config_collate_cat(list); 577b7579f77SDag-Erling Smørgrav config_delstrlist(list); 578b7579f77SDag-Erling Smørgrav if(!*str) return 2; 579b7579f77SDag-Erling Smørgrav return 0; 580b7579f77SDag-Erling Smørgrav } 581b7579f77SDag-Erling Smørgrav 582b7579f77SDag-Erling Smørgrav char* 583b7579f77SDag-Erling Smørgrav config_collate_cat(struct config_strlist* list) 584b7579f77SDag-Erling Smørgrav { 585b7579f77SDag-Erling Smørgrav size_t total = 0, left; 586b7579f77SDag-Erling Smørgrav struct config_strlist* s; 587b7579f77SDag-Erling Smørgrav char *r, *w; 588b7579f77SDag-Erling Smørgrav if(!list) /* no elements */ 589b7579f77SDag-Erling Smørgrav return strdup(""); 590b7579f77SDag-Erling Smørgrav if(list->next == NULL) /* one element , no newline at end. */ 591b7579f77SDag-Erling Smørgrav return strdup(list->str); 592b7579f77SDag-Erling Smørgrav /* count total length */ 593b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) 594b7579f77SDag-Erling Smørgrav total += strlen(s->str) + 1; /* len + newline */ 595b7579f77SDag-Erling Smørgrav left = total+1; /* one extra for nul at end */ 596b7579f77SDag-Erling Smørgrav r = malloc(left); 597b7579f77SDag-Erling Smørgrav if(!r) 598b7579f77SDag-Erling Smørgrav return NULL; 599b7579f77SDag-Erling Smørgrav w = r; 600b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) { 601b7579f77SDag-Erling Smørgrav size_t this = strlen(s->str); 602b7579f77SDag-Erling Smørgrav if(this+2 > left) { /* sanity check */ 603b7579f77SDag-Erling Smørgrav free(r); 604b7579f77SDag-Erling Smørgrav return NULL; 605b7579f77SDag-Erling Smørgrav } 606b7579f77SDag-Erling Smørgrav snprintf(w, left, "%s\n", s->str); 60717d15b25SDag-Erling Smørgrav this = strlen(w); 60817d15b25SDag-Erling Smørgrav w += this; 60917d15b25SDag-Erling Smørgrav left -= this; 610b7579f77SDag-Erling Smørgrav } 611b7579f77SDag-Erling Smørgrav return r; 612b7579f77SDag-Erling Smørgrav } 613b7579f77SDag-Erling Smørgrav 614b7579f77SDag-Erling Smørgrav /** compare and print decimal option */ 615b7579f77SDag-Erling Smørgrav #define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ 616b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%d", (int)cfg->var); \ 617b7579f77SDag-Erling Smørgrav func(buf, arg);} 618b7579f77SDag-Erling Smørgrav /** compare and print unsigned option */ 619b7579f77SDag-Erling Smørgrav #define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ 620b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%u", (unsigned)cfg->var); \ 621b7579f77SDag-Erling Smørgrav func(buf, arg);} 622b7579f77SDag-Erling Smørgrav /** compare and print yesno option */ 623b7579f77SDag-Erling Smørgrav #define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ 624b7579f77SDag-Erling Smørgrav {func(cfg->var?"yes":"no", arg);} 625b7579f77SDag-Erling Smørgrav /** compare and print string option */ 626b7579f77SDag-Erling Smørgrav #define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ 627b7579f77SDag-Erling Smørgrav {func(cfg->var?cfg->var:"", arg);} 628b7579f77SDag-Erling Smørgrav /** compare and print array option */ 629b7579f77SDag-Erling Smørgrav #define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ 630b7579f77SDag-Erling Smørgrav {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} 631b7579f77SDag-Erling Smørgrav /** compare and print memorysize option */ 632b7579f77SDag-Erling Smørgrav #define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ 633b7579f77SDag-Erling Smørgrav if(cfg->var > 1024*1024*1024) { \ 634b7579f77SDag-Erling Smørgrav size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ 63509a3aaf3SDag-Erling Smørgrav snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ 63609a3aaf3SDag-Erling Smørgrav } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ 637b7579f77SDag-Erling Smørgrav func(buf, arg);} 638b7579f77SDag-Erling Smørgrav /** compare and print list option */ 639b7579f77SDag-Erling Smørgrav #define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ 640b7579f77SDag-Erling Smørgrav struct config_strlist* p = cfg->lst; \ 641b7579f77SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) \ 642b7579f77SDag-Erling Smørgrav func(p->str, arg); \ 643b7579f77SDag-Erling Smørgrav } 644b7579f77SDag-Erling Smørgrav /** compare and print list option */ 645b7579f77SDag-Erling Smørgrav #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ 646b7579f77SDag-Erling Smørgrav struct config_str2list* p = cfg->lst; \ 647e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) { \ 648e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, p->str2); \ 649b7579f77SDag-Erling Smørgrav func(buf, arg); \ 650e2d15004SDag-Erling Smørgrav } \ 651e2d15004SDag-Erling Smørgrav } 652b5663de9SDag-Erling Smørgrav /** compare and print list option */ 653b5663de9SDag-Erling Smørgrav #define O_LS3(opt, name, lst) if(strcmp(opt, name)==0) { \ 654b5663de9SDag-Erling Smørgrav struct config_str3list* p = cfg->lst; \ 655b5663de9SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) { \ 656b5663de9SDag-Erling Smørgrav snprintf(buf, len, "%s %s %s", p->str, p->str2, p->str3); \ 657b5663de9SDag-Erling Smørgrav func(buf, arg); \ 658b5663de9SDag-Erling Smørgrav } \ 659b5663de9SDag-Erling Smørgrav } 660e2d15004SDag-Erling Smørgrav /** compare and print taglist option */ 661e2d15004SDag-Erling Smørgrav #define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ 662e2d15004SDag-Erling Smørgrav char* tmpstr = NULL; \ 663e2d15004SDag-Erling Smørgrav struct config_strbytelist *p = cfg->lst; \ 664e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) {\ 665e2d15004SDag-Erling Smørgrav tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ 666e2d15004SDag-Erling Smørgrav if(tmpstr) {\ 667e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, tmpstr); \ 668e2d15004SDag-Erling Smørgrav func(buf, arg); \ 669e2d15004SDag-Erling Smørgrav free(tmpstr); \ 670e2d15004SDag-Erling Smørgrav } \ 671e2d15004SDag-Erling Smørgrav } \ 672b7579f77SDag-Erling Smørgrav } 673b7579f77SDag-Erling Smørgrav 674b7579f77SDag-Erling Smørgrav int 675b7579f77SDag-Erling Smørgrav config_get_option(struct config_file* cfg, const char* opt, 676b7579f77SDag-Erling Smørgrav void (*func)(char*,void*), void* arg) 677b7579f77SDag-Erling Smørgrav { 678b7579f77SDag-Erling Smørgrav char buf[1024]; 679b7579f77SDag-Erling Smørgrav size_t len = sizeof(buf); 680b7579f77SDag-Erling Smørgrav fptr_ok(fptr_whitelist_print_func(func)); 681b7579f77SDag-Erling Smørgrav O_DEC(opt, "verbosity", verbosity) 682b7579f77SDag-Erling Smørgrav else O_DEC(opt, "statistics-interval", stat_interval) 683b7579f77SDag-Erling Smørgrav else O_YNO(opt, "statistics-cumulative", stat_cumulative) 684b7579f77SDag-Erling Smørgrav else O_YNO(opt, "extended-statistics", stat_extended) 685b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-syslog", use_syslog) 686*bc892140SDag-Erling Smørgrav else O_STR(opt, "log-identity", log_identity) 68717d15b25SDag-Erling Smørgrav else O_YNO(opt, "log-time-ascii", log_time_ascii) 688b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-threads", num_threads) 689b7579f77SDag-Erling Smørgrav else O_IFC(opt, "interface", num_ifs, ifs) 690b7579f77SDag-Erling Smørgrav else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) 691b7579f77SDag-Erling Smørgrav else O_YNO(opt, "interface-automatic", if_automatic) 692b7579f77SDag-Erling Smørgrav else O_DEC(opt, "port", port) 693b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-range", outgoing_num_ports) 694b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) 695b7579f77SDag-Erling Smørgrav else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) 696b7579f77SDag-Erling Smørgrav else O_DEC(opt, "edns-buffer-size", edns_buffer_size) 697b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-buffer-size", msg_buffer_size) 698b7579f77SDag-Erling Smørgrav else O_MEM(opt, "msg-cache-size", msg_cache_size) 699b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) 700b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) 701b7579f77SDag-Erling Smørgrav else O_UNS(opt, "jostle-timeout", jostle_time) 702b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-rcvbuf", so_rcvbuf) 703b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-sndbuf", so_sndbuf) 70417d15b25SDag-Erling Smørgrav else O_YNO(opt, "so-reuseport", so_reuseport) 70509a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "ip-transparent", ip_transparent) 706e2d15004SDag-Erling Smørgrav else O_YNO(opt, "ip-freebind", ip_freebind) 707b7579f77SDag-Erling Smørgrav else O_MEM(opt, "rrset-cache-size", rrset_cache_size) 708b7579f77SDag-Erling Smørgrav else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) 709b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch-key", prefetch_key) 710b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch", prefetch) 711b7579f77SDag-Erling Smørgrav else O_DEC(opt, "cache-max-ttl", max_ttl) 71209a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) 71317d15b25SDag-Erling Smørgrav else O_DEC(opt, "cache-min-ttl", min_ttl) 714b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-host-ttl", host_ttl) 715b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) 7166480faa8SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) 717b7579f77SDag-Erling Smørgrav else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) 71817d15b25SDag-Erling Smørgrav else O_UNS(opt, "delay-close", delay_close) 719b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip4", do_ip4) 720b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip6", do_ip6) 721b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-udp", do_udp) 722b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-tcp", do_tcp) 723b7579f77SDag-Erling Smørgrav else O_YNO(opt, "tcp-upstream", tcp_upstream) 724f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "tcp-mss", tcp_mss) 725f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) 726b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ssl-upstream", ssl_upstream) 727b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-key", ssl_service_key) 728b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-pem", ssl_service_pem) 729b7579f77SDag-Erling Smørgrav else O_DEC(opt, "ssl-port", ssl_port) 730b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-daemonize", do_daemonize) 731b7579f77SDag-Erling Smørgrav else O_STR(opt, "chroot", chrootdir) 732b7579f77SDag-Erling Smørgrav else O_STR(opt, "username", username) 733b7579f77SDag-Erling Smørgrav else O_STR(opt, "directory", directory) 734b7579f77SDag-Erling Smørgrav else O_STR(opt, "logfile", logfile) 735b7579f77SDag-Erling Smørgrav else O_YNO(opt, "log-queries", log_queries) 736b7579f77SDag-Erling Smørgrav else O_STR(opt, "pidfile", pidfile) 737b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-identity", hide_identity) 738b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-version", hide_version) 739b7579f77SDag-Erling Smørgrav else O_STR(opt, "identity", identity) 740b7579f77SDag-Erling Smørgrav else O_STR(opt, "version", version) 741b7579f77SDag-Erling Smørgrav else O_STR(opt, "target-fetch-policy", target_fetch_policy) 742b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) 743b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-large-queries", harden_large_queries) 744b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-glue", harden_glue) 745b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) 746b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) 747b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-referral-path", harden_referral_path) 74809a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) 749b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) 75009a3aaf3SDag-Erling Smørgrav else O_LST(opt, "caps-whitelist", caps_whitelist) 751b7579f77SDag-Erling Smørgrav else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) 752b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) 753b7579f77SDag-Erling Smørgrav else O_STR(opt, "module-config", module_conf) 754b7579f77SDag-Erling Smørgrav else O_STR(opt, "dlv-anchor-file", dlv_anchor_file) 755b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-bogus-ttl", bogus_ttl) 756b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-clean-additional", val_clean_additional) 757b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-log-level", val_log_level) 758b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-permissive-mode", val_permissive_mode) 759b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ignore-cd-flag", ignore_cd) 760*bc892140SDag-Erling Smørgrav else O_YNO(opt, "serve-expired", serve_expired) 761b7579f77SDag-Erling Smørgrav else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) 762b7579f77SDag-Erling Smørgrav else O_UNS(opt, "add-holddown", add_holddown) 763b7579f77SDag-Erling Smørgrav else O_UNS(opt, "del-holddown", del_holddown) 764b7579f77SDag-Erling Smørgrav else O_UNS(opt, "keep-missing", keep_missing) 765b75612f8SDag-Erling Smørgrav else O_YNO(opt, "permit-small-holddown", permit_small_holddown) 766b7579f77SDag-Erling Smørgrav else O_MEM(opt, "key-cache-size", key_cache_size) 767b7579f77SDag-Erling Smørgrav else O_DEC(opt, "key-cache-slabs", key_cache_slabs) 768b7579f77SDag-Erling Smørgrav else O_MEM(opt, "neg-cache-size", neg_cache_size) 769b7579f77SDag-Erling Smørgrav else O_YNO(opt, "control-enable", remote_control_enable) 770b7579f77SDag-Erling Smørgrav else O_DEC(opt, "control-port", control_port) 771b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-key-file", server_key_file) 772b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-cert-file", server_cert_file) 773b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-key-file", control_key_file) 774b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-cert-file", control_cert_file) 775b7579f77SDag-Erling Smørgrav else O_LST(opt, "root-hints", root_hints) 776b7579f77SDag-Erling Smørgrav else O_LS2(opt, "access-control", acls) 777b7579f77SDag-Erling Smørgrav else O_LST(opt, "do-not-query-address", donotqueryaddrs) 778b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-address", private_address) 779b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-domain", private_domain) 780b7579f77SDag-Erling Smørgrav else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) 781b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) 782b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor", trust_anchor_list) 783b7579f77SDag-Erling Smørgrav else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) 784b7579f77SDag-Erling Smørgrav else O_LST(opt, "dlv-anchor", dlv_anchor_list) 785b7579f77SDag-Erling Smørgrav else O_LST(opt, "control-interface", control_ifs) 786b7579f77SDag-Erling Smørgrav else O_LST(opt, "domain-insecure", domain_insecure) 787b7579f77SDag-Erling Smørgrav else O_UNS(opt, "val-override-date", val_date_override) 788b7579f77SDag-Erling Smørgrav else O_YNO(opt, "minimal-responses", minimal_responses) 789b7579f77SDag-Erling Smørgrav else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) 790c536e4dcSDag-Erling Smørgrav else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) 7910de4f1bfSDag-Erling Smørgrav else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) 79217d15b25SDag-Erling Smørgrav else O_DEC(opt, "max-udp-size", max_udp_size) 79317d15b25SDag-Erling Smørgrav else O_STR(opt, "python-script", python_script) 794e2d15004SDag-Erling Smørgrav else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) 79509a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit", ratelimit) 79609a3aaf3SDag-Erling Smørgrav else O_MEM(opt, "ratelimit-size", ratelimit_size) 79709a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) 79809a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) 79909a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) 80009a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-factor", ratelimit_factor) 80117d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) 80217d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) 80305ab2901SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation", qname_minimisation) 804*bc892140SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation-strict", qname_minimisation_strict) 805e2d15004SDag-Erling Smørgrav else O_IFC(opt, "define-tag", num_tags, tagname) 806e2d15004SDag-Erling Smørgrav else O_LTG(opt, "local-zone-tag", local_zone_tags) 807b5663de9SDag-Erling Smørgrav else O_LTG(opt, "access-control-tag", acl_tags) 808b5663de9SDag-Erling Smørgrav else O_LS3(opt, "local-zone-override", local_zone_overrides) 809b5663de9SDag-Erling Smørgrav else O_LS3(opt, "access-control-tag-action", acl_tag_actions) 810b5663de9SDag-Erling Smørgrav else O_LS3(opt, "access-control-tag-data", acl_tag_datas) 811*bc892140SDag-Erling Smørgrav else O_LS2(opt, "access-control-view", acl_view) 812b7579f77SDag-Erling Smørgrav /* not here: 813b7579f77SDag-Erling Smørgrav * outgoing-permit, outgoing-avoid - have list of ports 814b7579f77SDag-Erling Smørgrav * local-zone - zones and nodefault variables 815b7579f77SDag-Erling Smørgrav * local-data - see below 816b7579f77SDag-Erling Smørgrav * local-data-ptr - converted to local-data entries 817b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 818b7579f77SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host 819b7579f77SDag-Erling Smørgrav */ 820b7579f77SDag-Erling Smørgrav else return 0; 821b7579f77SDag-Erling Smørgrav return 1; 822b7579f77SDag-Erling Smørgrav } 823b7579f77SDag-Erling Smørgrav 824b7579f77SDag-Erling Smørgrav /** initialize the global cfg_parser object */ 825b7579f77SDag-Erling Smørgrav static void 826b7579f77SDag-Erling Smørgrav create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) 827b7579f77SDag-Erling Smørgrav { 828b7579f77SDag-Erling Smørgrav static struct config_parser_state st; 829b7579f77SDag-Erling Smørgrav cfg_parser = &st; 830b7579f77SDag-Erling Smørgrav cfg_parser->filename = filename; 831b7579f77SDag-Erling Smørgrav cfg_parser->line = 1; 832b7579f77SDag-Erling Smørgrav cfg_parser->errors = 0; 833b7579f77SDag-Erling Smørgrav cfg_parser->cfg = cfg; 834b7579f77SDag-Erling Smørgrav cfg_parser->chroot = chroot; 83517d15b25SDag-Erling Smørgrav init_cfg_parse(); 836b7579f77SDag-Erling Smørgrav } 837b7579f77SDag-Erling Smørgrav 838b7579f77SDag-Erling Smørgrav int 839b7579f77SDag-Erling Smørgrav config_read(struct config_file* cfg, const char* filename, const char* chroot) 840b7579f77SDag-Erling Smørgrav { 841b7579f77SDag-Erling Smørgrav FILE *in; 842b7579f77SDag-Erling Smørgrav char *fname = (char*)filename; 8438ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 8448ed2b524SDag-Erling Smørgrav glob_t g; 8458ed2b524SDag-Erling Smørgrav size_t i; 8468ed2b524SDag-Erling Smørgrav int r, flags; 8478ed2b524SDag-Erling Smørgrav #endif 848b7579f77SDag-Erling Smørgrav if(!fname) 849b7579f77SDag-Erling Smørgrav return 1; 8508ed2b524SDag-Erling Smørgrav 8518ed2b524SDag-Erling Smørgrav /* check for wildcards */ 8528ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 8538ed2b524SDag-Erling Smørgrav if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && 8548ed2b524SDag-Erling Smørgrav !strchr(fname, '{') && !strchr(fname, '~'))) { 8558ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "wildcard found, processing %s", fname); 8568ed2b524SDag-Erling Smørgrav flags = 0 8578ed2b524SDag-Erling Smørgrav #ifdef GLOB_ERR 8588ed2b524SDag-Erling Smørgrav | GLOB_ERR 8598ed2b524SDag-Erling Smørgrav #endif 8608ed2b524SDag-Erling Smørgrav #ifdef GLOB_NOSORT 8618ed2b524SDag-Erling Smørgrav | GLOB_NOSORT 8628ed2b524SDag-Erling Smørgrav #endif 8638ed2b524SDag-Erling Smørgrav #ifdef GLOB_BRACE 8648ed2b524SDag-Erling Smørgrav | GLOB_BRACE 8658ed2b524SDag-Erling Smørgrav #endif 8668ed2b524SDag-Erling Smørgrav #ifdef GLOB_TILDE 8678ed2b524SDag-Erling Smørgrav | GLOB_TILDE 8688ed2b524SDag-Erling Smørgrav #endif 8698ed2b524SDag-Erling Smørgrav ; 8708ed2b524SDag-Erling Smørgrav memset(&g, 0, sizeof(g)); 8718ed2b524SDag-Erling Smørgrav r = glob(fname, flags, NULL, &g); 8728ed2b524SDag-Erling Smørgrav if(r) { 8738ed2b524SDag-Erling Smørgrav /* some error */ 8748ed2b524SDag-Erling Smørgrav globfree(&g); 8758ed2b524SDag-Erling Smørgrav if(r == GLOB_NOMATCH) { 8768ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "include: " 8778ed2b524SDag-Erling Smørgrav "no matches for %s", fname); 8788ed2b524SDag-Erling Smørgrav return 1; 8798ed2b524SDag-Erling Smørgrav } else if(r == GLOB_NOSPACE) { 8808ed2b524SDag-Erling Smørgrav log_err("include: %s: " 8818ed2b524SDag-Erling Smørgrav "fnametern out of memory", fname); 8828ed2b524SDag-Erling Smørgrav } else if(r == GLOB_ABORTED) { 8838ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8848ed2b524SDag-Erling Smørgrav "aborted (%s)", fname, strerror(errno)); 8858ed2b524SDag-Erling Smørgrav } else { 8868ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8878ed2b524SDag-Erling Smørgrav "failed (%s)", fname, strerror(errno)); 8888ed2b524SDag-Erling Smørgrav } 8898ed2b524SDag-Erling Smørgrav /* ignore globs that yield no files */ 8908ed2b524SDag-Erling Smørgrav return 1; 8918ed2b524SDag-Erling Smørgrav } 8928ed2b524SDag-Erling Smørgrav /* process files found, if any */ 8938ed2b524SDag-Erling Smørgrav for(i=0; i<(size_t)g.gl_pathc; i++) { 8948ed2b524SDag-Erling Smørgrav if(!config_read(cfg, g.gl_pathv[i], chroot)) { 8958ed2b524SDag-Erling Smørgrav log_err("error reading wildcard " 8968ed2b524SDag-Erling Smørgrav "include: %s", g.gl_pathv[i]); 8978ed2b524SDag-Erling Smørgrav globfree(&g); 8988ed2b524SDag-Erling Smørgrav return 0; 8998ed2b524SDag-Erling Smørgrav } 9008ed2b524SDag-Erling Smørgrav } 9018ed2b524SDag-Erling Smørgrav globfree(&g); 9028ed2b524SDag-Erling Smørgrav return 1; 9038ed2b524SDag-Erling Smørgrav } 9048ed2b524SDag-Erling Smørgrav #endif /* HAVE_GLOB */ 9058ed2b524SDag-Erling Smørgrav 906b7579f77SDag-Erling Smørgrav in = fopen(fname, "r"); 907b7579f77SDag-Erling Smørgrav if(!in) { 908b7579f77SDag-Erling Smørgrav log_err("Could not open %s: %s", fname, strerror(errno)); 909b7579f77SDag-Erling Smørgrav return 0; 910b7579f77SDag-Erling Smørgrav } 911b7579f77SDag-Erling Smørgrav create_cfg_parser(cfg, fname, chroot); 912b7579f77SDag-Erling Smørgrav ub_c_in = in; 913b7579f77SDag-Erling Smørgrav ub_c_parse(); 914b7579f77SDag-Erling Smørgrav fclose(in); 915b7579f77SDag-Erling Smørgrav 916b7579f77SDag-Erling Smørgrav if(cfg_parser->errors != 0) { 917b7579f77SDag-Erling Smørgrav fprintf(stderr, "read %s failed: %d errors in configuration file\n", 918ff825849SDag-Erling Smørgrav fname, cfg_parser->errors); 919b7579f77SDag-Erling Smørgrav errno=EINVAL; 920b7579f77SDag-Erling Smørgrav return 0; 921b7579f77SDag-Erling Smørgrav } 92231099b50SDag-Erling Smørgrav 923b7579f77SDag-Erling Smørgrav return 1; 924b7579f77SDag-Erling Smørgrav } 925b7579f77SDag-Erling Smørgrav 926f61ef7f6SDag-Erling Smørgrav struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) 927f61ef7f6SDag-Erling Smørgrav { 928f61ef7f6SDag-Erling Smørgrav struct config_stub* p = *(*pp); 929f61ef7f6SDag-Erling Smørgrav while(p) { 930f61ef7f6SDag-Erling Smørgrav if(strcmp(p->name, nm) == 0) 931f61ef7f6SDag-Erling Smørgrav return p; 932f61ef7f6SDag-Erling Smørgrav (*pp) = &p->next; 933f61ef7f6SDag-Erling Smørgrav p = p->next; 934f61ef7f6SDag-Erling Smørgrav } 935f61ef7f6SDag-Erling Smørgrav return NULL; 936f61ef7f6SDag-Erling Smørgrav } 937f61ef7f6SDag-Erling Smørgrav 938b7579f77SDag-Erling Smørgrav void 939b7579f77SDag-Erling Smørgrav config_delstrlist(struct config_strlist* p) 940b7579f77SDag-Erling Smørgrav { 941b7579f77SDag-Erling Smørgrav struct config_strlist *np; 942b7579f77SDag-Erling Smørgrav while(p) { 943b7579f77SDag-Erling Smørgrav np = p->next; 944b7579f77SDag-Erling Smørgrav free(p->str); 945b7579f77SDag-Erling Smørgrav free(p); 946b7579f77SDag-Erling Smørgrav p = np; 947b7579f77SDag-Erling Smørgrav } 948b7579f77SDag-Erling Smørgrav } 949b7579f77SDag-Erling Smørgrav 950b7579f77SDag-Erling Smørgrav void 951b7579f77SDag-Erling Smørgrav config_deldblstrlist(struct config_str2list* p) 952b7579f77SDag-Erling Smørgrav { 953b7579f77SDag-Erling Smørgrav struct config_str2list *np; 954b7579f77SDag-Erling Smørgrav while(p) { 955b7579f77SDag-Erling Smørgrav np = p->next; 956b7579f77SDag-Erling Smørgrav free(p->str); 957b7579f77SDag-Erling Smørgrav free(p->str2); 958b7579f77SDag-Erling Smørgrav free(p); 959b7579f77SDag-Erling Smørgrav p = np; 960b7579f77SDag-Erling Smørgrav } 961b7579f77SDag-Erling Smørgrav } 962b7579f77SDag-Erling Smørgrav 963b7579f77SDag-Erling Smørgrav void 964b5663de9SDag-Erling Smørgrav config_deltrplstrlist(struct config_str3list* p) 965b5663de9SDag-Erling Smørgrav { 966b5663de9SDag-Erling Smørgrav struct config_str3list *np; 967b5663de9SDag-Erling Smørgrav while(p) { 968b5663de9SDag-Erling Smørgrav np = p->next; 969b5663de9SDag-Erling Smørgrav free(p->str); 970b5663de9SDag-Erling Smørgrav free(p->str2); 971b5663de9SDag-Erling Smørgrav free(p->str3); 972b5663de9SDag-Erling Smørgrav free(p); 973b5663de9SDag-Erling Smørgrav p = np; 974b5663de9SDag-Erling Smørgrav } 975b5663de9SDag-Erling Smørgrav } 976b5663de9SDag-Erling Smørgrav 977b5663de9SDag-Erling Smørgrav void 978f61ef7f6SDag-Erling Smørgrav config_delstub(struct config_stub* p) 979f61ef7f6SDag-Erling Smørgrav { 980f61ef7f6SDag-Erling Smørgrav if(!p) return; 981f61ef7f6SDag-Erling Smørgrav free(p->name); 982f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->hosts); 983f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->addrs); 984f61ef7f6SDag-Erling Smørgrav free(p); 985f61ef7f6SDag-Erling Smørgrav } 986f61ef7f6SDag-Erling Smørgrav 987f61ef7f6SDag-Erling Smørgrav void 988b7579f77SDag-Erling Smørgrav config_delstubs(struct config_stub* p) 989b7579f77SDag-Erling Smørgrav { 990b7579f77SDag-Erling Smørgrav struct config_stub* np; 991b7579f77SDag-Erling Smørgrav while(p) { 992b7579f77SDag-Erling Smørgrav np = p->next; 993f61ef7f6SDag-Erling Smørgrav config_delstub(p); 994b7579f77SDag-Erling Smørgrav p = np; 995b7579f77SDag-Erling Smørgrav } 996b7579f77SDag-Erling Smørgrav } 997b7579f77SDag-Erling Smørgrav 998*bc892140SDag-Erling Smørgrav void 999*bc892140SDag-Erling Smørgrav config_delview(struct config_view* p) 1000*bc892140SDag-Erling Smørgrav { 1001*bc892140SDag-Erling Smørgrav if(!p) return; 1002*bc892140SDag-Erling Smørgrav free(p->name); 1003*bc892140SDag-Erling Smørgrav config_deldblstrlist(p->local_zones); 1004*bc892140SDag-Erling Smørgrav config_delstrlist(p->local_zones_nodefault); 1005*bc892140SDag-Erling Smørgrav config_delstrlist(p->local_data); 1006*bc892140SDag-Erling Smørgrav free(p); 1007*bc892140SDag-Erling Smørgrav } 1008*bc892140SDag-Erling Smørgrav 1009*bc892140SDag-Erling Smørgrav void 1010*bc892140SDag-Erling Smørgrav config_delviews(struct config_view* p) 1011*bc892140SDag-Erling Smørgrav { 1012*bc892140SDag-Erling Smørgrav struct config_view* np; 1013*bc892140SDag-Erling Smørgrav while(p) { 1014*bc892140SDag-Erling Smørgrav np = p->next; 1015*bc892140SDag-Erling Smørgrav config_delview(p); 1016*bc892140SDag-Erling Smørgrav p = np; 1017*bc892140SDag-Erling Smørgrav } 1018*bc892140SDag-Erling Smørgrav } 1019e2d15004SDag-Erling Smørgrav /** delete string array */ 1020e2d15004SDag-Erling Smørgrav static void 1021e2d15004SDag-Erling Smørgrav config_del_strarray(char** array, int num) 1022e2d15004SDag-Erling Smørgrav { 1023e2d15004SDag-Erling Smørgrav int i; 1024e2d15004SDag-Erling Smørgrav if(!array) 1025e2d15004SDag-Erling Smørgrav return; 1026e2d15004SDag-Erling Smørgrav for(i=0; i<num; i++) { 1027e2d15004SDag-Erling Smørgrav free(array[i]); 1028e2d15004SDag-Erling Smørgrav } 1029e2d15004SDag-Erling Smørgrav free(array); 1030e2d15004SDag-Erling Smørgrav } 1031e2d15004SDag-Erling Smørgrav 1032b5663de9SDag-Erling Smørgrav void 1033e2d15004SDag-Erling Smørgrav config_del_strbytelist(struct config_strbytelist* p) 1034e2d15004SDag-Erling Smørgrav { 1035e2d15004SDag-Erling Smørgrav struct config_strbytelist* np; 1036e2d15004SDag-Erling Smørgrav while(p) { 1037e2d15004SDag-Erling Smørgrav np = p->next; 1038e2d15004SDag-Erling Smørgrav free(p->str); 1039e2d15004SDag-Erling Smørgrav free(p->str2); 1040e2d15004SDag-Erling Smørgrav free(p); 1041e2d15004SDag-Erling Smørgrav p = np; 1042e2d15004SDag-Erling Smørgrav } 1043e2d15004SDag-Erling Smørgrav } 1044e2d15004SDag-Erling Smørgrav 1045b7579f77SDag-Erling Smørgrav void 1046b7579f77SDag-Erling Smørgrav config_delete(struct config_file* cfg) 1047b7579f77SDag-Erling Smørgrav { 1048b7579f77SDag-Erling Smørgrav if(!cfg) return; 1049b7579f77SDag-Erling Smørgrav free(cfg->username); 1050b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 1051b7579f77SDag-Erling Smørgrav free(cfg->directory); 1052b7579f77SDag-Erling Smørgrav free(cfg->logfile); 1053b7579f77SDag-Erling Smørgrav free(cfg->pidfile); 1054b7579f77SDag-Erling Smørgrav free(cfg->target_fetch_policy); 1055b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_key); 1056b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_pem); 1057*bc892140SDag-Erling Smørgrav free(cfg->log_identity); 1058e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->ifs, cfg->num_ifs); 1059e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); 1060b7579f77SDag-Erling Smørgrav config_delstubs(cfg->stubs); 1061b7579f77SDag-Erling Smørgrav config_delstubs(cfg->forwards); 1062*bc892140SDag-Erling Smørgrav config_delviews(cfg->views); 1063b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->donotqueryaddrs); 1064b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->root_hints); 1065b7579f77SDag-Erling Smørgrav free(cfg->identity); 1066b7579f77SDag-Erling Smørgrav free(cfg->version); 1067b7579f77SDag-Erling Smørgrav free(cfg->module_conf); 1068b7579f77SDag-Erling Smørgrav free(cfg->outgoing_avail_ports); 106909a3aaf3SDag-Erling Smørgrav config_delstrlist(cfg->caps_whitelist); 1070b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_address); 1071b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_domain); 1072b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->auto_trust_anchor_file_list); 1073b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_file_list); 1074b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trusted_keys_file_list); 1075b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_list); 1076b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->domain_insecure); 1077b7579f77SDag-Erling Smørgrav free(cfg->dlv_anchor_file); 1078b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->dlv_anchor_list); 1079b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->acls); 1080b7579f77SDag-Erling Smørgrav free(cfg->val_nsec3_key_iterations); 1081b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->local_zones); 1082b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_zones_nodefault); 1083b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_data); 1084b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->local_zone_overrides); 1085e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->tagname, cfg->num_tags); 1086e2d15004SDag-Erling Smørgrav config_del_strbytelist(cfg->local_zone_tags); 1087b5663de9SDag-Erling Smørgrav config_del_strbytelist(cfg->acl_tags); 1088b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->acl_tag_actions); 1089b5663de9SDag-Erling Smørgrav config_deltrplstrlist(cfg->acl_tag_datas); 1090b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->control_ifs); 1091b7579f77SDag-Erling Smørgrav free(cfg->server_key_file); 1092b7579f77SDag-Erling Smørgrav free(cfg->server_cert_file); 1093b7579f77SDag-Erling Smørgrav free(cfg->control_key_file); 1094b7579f77SDag-Erling Smørgrav free(cfg->control_cert_file); 109509a3aaf3SDag-Erling Smørgrav free(cfg->dns64_prefix); 1096ff825849SDag-Erling Smørgrav free(cfg->dnstap_socket_path); 1097ff825849SDag-Erling Smørgrav free(cfg->dnstap_identity); 1098ff825849SDag-Erling Smørgrav free(cfg->dnstap_version); 109909a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_for_domain); 110009a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_below_domain); 1101b7579f77SDag-Erling Smørgrav free(cfg); 1102b7579f77SDag-Erling Smørgrav } 1103b7579f77SDag-Erling Smørgrav 1104b7579f77SDag-Erling Smørgrav static void 1105b7579f77SDag-Erling Smørgrav init_outgoing_availports(int* a, int num) 1106b7579f77SDag-Erling Smørgrav { 1107b7579f77SDag-Erling Smørgrav /* generated with make iana_update */ 1108b7579f77SDag-Erling Smørgrav const int iana_assigned[] = { 1109b7579f77SDag-Erling Smørgrav #include "util/iana_ports.inc" 1110b7579f77SDag-Erling Smørgrav -1 }; /* end marker to put behind trailing comma */ 1111b7579f77SDag-Erling Smørgrav 1112b7579f77SDag-Erling Smørgrav int i; 1113b7579f77SDag-Erling Smørgrav /* do not use <1024, that could be trouble with the system, privs */ 1114b7579f77SDag-Erling Smørgrav for(i=1024; i<num; i++) { 1115b7579f77SDag-Erling Smørgrav a[i] = i; 1116b7579f77SDag-Erling Smørgrav } 1117b7579f77SDag-Erling Smørgrav /* create empty spot at 49152 to keep ephemeral ports available 1118b7579f77SDag-Erling Smørgrav * to other programs */ 1119b7579f77SDag-Erling Smørgrav for(i=49152; i<49152+256; i++) 1120b7579f77SDag-Erling Smørgrav a[i] = 0; 1121b7579f77SDag-Erling Smørgrav /* pick out all the IANA assigned ports */ 1122b7579f77SDag-Erling Smørgrav for(i=0; iana_assigned[i]!=-1; i++) { 1123b7579f77SDag-Erling Smørgrav if(iana_assigned[i] < num) 1124b7579f77SDag-Erling Smørgrav a[iana_assigned[i]] = 0; 1125b7579f77SDag-Erling Smørgrav } 1126b7579f77SDag-Erling Smørgrav } 1127b7579f77SDag-Erling Smørgrav 1128b7579f77SDag-Erling Smørgrav int 1129b7579f77SDag-Erling Smørgrav cfg_mark_ports(const char* str, int allow, int* avail, int num) 1130b7579f77SDag-Erling Smørgrav { 1131b7579f77SDag-Erling Smørgrav char* mid = strchr(str, '-'); 1132b7579f77SDag-Erling Smørgrav if(!mid) { 1133b7579f77SDag-Erling Smørgrav int port = atoi(str); 1134b7579f77SDag-Erling Smørgrav if(port == 0 && strcmp(str, "0") != 0) { 1135b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1136b7579f77SDag-Erling Smørgrav return 0; 1137b7579f77SDag-Erling Smørgrav } 1138b7579f77SDag-Erling Smørgrav if(port < num) 1139b7579f77SDag-Erling Smørgrav avail[port] = (allow?port:0); 1140b7579f77SDag-Erling Smørgrav } else { 1141b7579f77SDag-Erling Smørgrav int i, low, high = atoi(mid+1); 1142b7579f77SDag-Erling Smørgrav char buf[16]; 1143b7579f77SDag-Erling Smørgrav if(high == 0 && strcmp(mid+1, "0") != 0) { 1144b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", mid+1); 1145b7579f77SDag-Erling Smørgrav return 0; 1146b7579f77SDag-Erling Smørgrav } 1147b7579f77SDag-Erling Smørgrav if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { 1148b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1149b7579f77SDag-Erling Smørgrav return 0; 1150b7579f77SDag-Erling Smørgrav } 1151b7579f77SDag-Erling Smørgrav if(mid > str) 1152b7579f77SDag-Erling Smørgrav memcpy(buf, str, (size_t)(mid-str)); 1153b7579f77SDag-Erling Smørgrav buf[mid-str] = 0; 1154b7579f77SDag-Erling Smørgrav low = atoi(buf); 1155b7579f77SDag-Erling Smørgrav if(low == 0 && strcmp(buf, "0") != 0) { 1156b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", buf); 1157b7579f77SDag-Erling Smørgrav return 0; 1158b7579f77SDag-Erling Smørgrav } 1159b7579f77SDag-Erling Smørgrav for(i=low; i<=high; i++) { 1160b7579f77SDag-Erling Smørgrav if(i < num) 1161b7579f77SDag-Erling Smørgrav avail[i] = (allow?i:0); 1162b7579f77SDag-Erling Smørgrav } 1163b7579f77SDag-Erling Smørgrav return 1; 1164b7579f77SDag-Erling Smørgrav } 1165b7579f77SDag-Erling Smørgrav return 1; 1166b7579f77SDag-Erling Smørgrav } 1167b7579f77SDag-Erling Smørgrav 1168b7579f77SDag-Erling Smørgrav int 1169b7579f77SDag-Erling Smørgrav cfg_scan_ports(int* avail, int num) 1170b7579f77SDag-Erling Smørgrav { 1171b7579f77SDag-Erling Smørgrav int i; 1172b7579f77SDag-Erling Smørgrav int count = 0; 1173b7579f77SDag-Erling Smørgrav for(i=0; i<num; i++) { 1174b7579f77SDag-Erling Smørgrav if(avail[i]) 1175b7579f77SDag-Erling Smørgrav count++; 1176b7579f77SDag-Erling Smørgrav } 1177b7579f77SDag-Erling Smørgrav return count; 1178b7579f77SDag-Erling Smørgrav } 1179b7579f77SDag-Erling Smørgrav 1180b7579f77SDag-Erling Smørgrav int cfg_condense_ports(struct config_file* cfg, int** avail) 1181b7579f77SDag-Erling Smørgrav { 1182b7579f77SDag-Erling Smørgrav int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); 1183b7579f77SDag-Erling Smørgrav int i, at = 0; 1184b7579f77SDag-Erling Smørgrav *avail = NULL; 1185b7579f77SDag-Erling Smørgrav if(num == 0) 1186b7579f77SDag-Erling Smørgrav return 0; 118709a3aaf3SDag-Erling Smørgrav *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); 1188b7579f77SDag-Erling Smørgrav if(!*avail) 1189b7579f77SDag-Erling Smørgrav return 0; 1190b7579f77SDag-Erling Smørgrav for(i=0; i<65536; i++) { 1191b7579f77SDag-Erling Smørgrav if(cfg->outgoing_avail_ports[i]) 1192b7579f77SDag-Erling Smørgrav (*avail)[at++] = cfg->outgoing_avail_ports[i]; 1193b7579f77SDag-Erling Smørgrav } 1194b7579f77SDag-Erling Smørgrav log_assert(at == num); 1195b7579f77SDag-Erling Smørgrav return num; 1196b7579f77SDag-Erling Smørgrav } 1197b7579f77SDag-Erling Smørgrav 1198b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1199b7579f77SDag-Erling Smørgrav static void ub_c_error_va_list(const char *fmt, va_list args) 1200b7579f77SDag-Erling Smørgrav { 1201b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1202b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, 1203b7579f77SDag-Erling Smørgrav cfg_parser->line); 1204b7579f77SDag-Erling Smørgrav vfprintf(stderr, fmt, args); 1205b7579f77SDag-Erling Smørgrav fprintf(stderr, "\n"); 1206b7579f77SDag-Erling Smørgrav } 1207b7579f77SDag-Erling Smørgrav 1208b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1209b7579f77SDag-Erling Smørgrav void ub_c_error_msg(const char* fmt, ...) 1210b7579f77SDag-Erling Smørgrav { 1211b7579f77SDag-Erling Smørgrav va_list args; 1212b7579f77SDag-Erling Smørgrav va_start(args, fmt); 1213b7579f77SDag-Erling Smørgrav ub_c_error_va_list(fmt, args); 1214b7579f77SDag-Erling Smørgrav va_end(args); 1215b7579f77SDag-Erling Smørgrav } 1216b7579f77SDag-Erling Smørgrav 1217b7579f77SDag-Erling Smørgrav void ub_c_error(const char *str) 1218b7579f77SDag-Erling Smørgrav { 1219b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1220b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, 1221b7579f77SDag-Erling Smørgrav cfg_parser->line, str); 1222b7579f77SDag-Erling Smørgrav } 1223b7579f77SDag-Erling Smørgrav 1224b7579f77SDag-Erling Smørgrav int ub_c_wrap(void) 1225b7579f77SDag-Erling Smørgrav { 1226b7579f77SDag-Erling Smørgrav return 1; 1227b7579f77SDag-Erling Smørgrav } 1228b7579f77SDag-Erling Smørgrav 1229b7579f77SDag-Erling Smørgrav int cfg_strlist_append(struct config_strlist_head* list, char* item) 1230b7579f77SDag-Erling Smørgrav { 1231b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1232b7579f77SDag-Erling Smørgrav if(!item || !list) 1233b7579f77SDag-Erling Smørgrav return 0; 1234b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1235b7579f77SDag-Erling Smørgrav if(!s) 1236b7579f77SDag-Erling Smørgrav return 0; 1237b7579f77SDag-Erling Smørgrav s->str = item; 1238b7579f77SDag-Erling Smørgrav s->next = NULL; 1239b7579f77SDag-Erling Smørgrav if(list->last) 1240b7579f77SDag-Erling Smørgrav list->last->next = s; 1241b7579f77SDag-Erling Smørgrav else 1242b7579f77SDag-Erling Smørgrav list->first = s; 1243b7579f77SDag-Erling Smørgrav list->last = s; 1244b7579f77SDag-Erling Smørgrav return 1; 1245b7579f77SDag-Erling Smørgrav } 1246b7579f77SDag-Erling Smørgrav 1247b7579f77SDag-Erling Smørgrav int 1248b5663de9SDag-Erling Smørgrav cfg_region_strlist_insert(struct regional* region, 1249b5663de9SDag-Erling Smørgrav struct config_strlist** head, char* item) 1250b5663de9SDag-Erling Smørgrav { 1251b5663de9SDag-Erling Smørgrav struct config_strlist *s; 1252b5663de9SDag-Erling Smørgrav if(!item || !head) 1253b5663de9SDag-Erling Smørgrav return 0; 1254b5663de9SDag-Erling Smørgrav s = (struct config_strlist*)regional_alloc_zero(region, 1255b5663de9SDag-Erling Smørgrav sizeof(struct config_strlist)); 1256b5663de9SDag-Erling Smørgrav if(!s) 1257b5663de9SDag-Erling Smørgrav return 0; 1258b5663de9SDag-Erling Smørgrav s->str = item; 1259b5663de9SDag-Erling Smørgrav s->next = *head; 1260b5663de9SDag-Erling Smørgrav *head = s; 1261b5663de9SDag-Erling Smørgrav return 1; 1262b5663de9SDag-Erling Smørgrav } 1263b5663de9SDag-Erling Smørgrav 1264b5663de9SDag-Erling Smørgrav int 1265b7579f77SDag-Erling Smørgrav cfg_strlist_insert(struct config_strlist** head, char* item) 1266b7579f77SDag-Erling Smørgrav { 1267b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1268b7579f77SDag-Erling Smørgrav if(!item || !head) 1269b7579f77SDag-Erling Smørgrav return 0; 1270b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1271b7579f77SDag-Erling Smørgrav if(!s) 1272b7579f77SDag-Erling Smørgrav return 0; 1273b7579f77SDag-Erling Smørgrav s->str = item; 1274b7579f77SDag-Erling Smørgrav s->next = *head; 1275b7579f77SDag-Erling Smørgrav *head = s; 1276b7579f77SDag-Erling Smørgrav return 1; 1277b7579f77SDag-Erling Smørgrav } 1278b7579f77SDag-Erling Smørgrav 1279b7579f77SDag-Erling Smørgrav int 1280b7579f77SDag-Erling Smørgrav cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) 1281b7579f77SDag-Erling Smørgrav { 1282b7579f77SDag-Erling Smørgrav struct config_str2list *s; 1283b7579f77SDag-Erling Smørgrav if(!item || !i2 || !head) 1284b7579f77SDag-Erling Smørgrav return 0; 1285b7579f77SDag-Erling Smørgrav s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); 1286b7579f77SDag-Erling Smørgrav if(!s) 1287b7579f77SDag-Erling Smørgrav return 0; 1288b7579f77SDag-Erling Smørgrav s->str = item; 1289b7579f77SDag-Erling Smørgrav s->str2 = i2; 1290b7579f77SDag-Erling Smørgrav s->next = *head; 1291b7579f77SDag-Erling Smørgrav *head = s; 1292b7579f77SDag-Erling Smørgrav return 1; 1293b7579f77SDag-Erling Smørgrav } 1294b7579f77SDag-Erling Smørgrav 1295e2d15004SDag-Erling Smørgrav int 1296b5663de9SDag-Erling Smørgrav cfg_str3list_insert(struct config_str3list** head, char* item, char* i2, 1297b5663de9SDag-Erling Smørgrav char* i3) 1298b5663de9SDag-Erling Smørgrav { 1299b5663de9SDag-Erling Smørgrav struct config_str3list *s; 1300b5663de9SDag-Erling Smørgrav if(!item || !i2 || !i3 || !head) 1301b5663de9SDag-Erling Smørgrav return 0; 1302b5663de9SDag-Erling Smørgrav s = (struct config_str3list*)calloc(1, sizeof(struct config_str3list)); 1303b5663de9SDag-Erling Smørgrav if(!s) 1304b5663de9SDag-Erling Smørgrav return 0; 1305b5663de9SDag-Erling Smørgrav s->str = item; 1306b5663de9SDag-Erling Smørgrav s->str2 = i2; 1307b5663de9SDag-Erling Smørgrav s->str3 = i3; 1308b5663de9SDag-Erling Smørgrav s->next = *head; 1309b5663de9SDag-Erling Smørgrav *head = s; 1310b5663de9SDag-Erling Smørgrav return 1; 1311b5663de9SDag-Erling Smørgrav } 1312b5663de9SDag-Erling Smørgrav 1313b5663de9SDag-Erling Smørgrav int 1314e2d15004SDag-Erling Smørgrav cfg_strbytelist_insert(struct config_strbytelist** head, char* item, 1315e2d15004SDag-Erling Smørgrav uint8_t* i2, size_t i2len) 1316e2d15004SDag-Erling Smørgrav { 1317e2d15004SDag-Erling Smørgrav struct config_strbytelist* s; 1318e2d15004SDag-Erling Smørgrav if(!item || !i2 || !head) 1319e2d15004SDag-Erling Smørgrav return 0; 1320e2d15004SDag-Erling Smørgrav s = (struct config_strbytelist*)calloc(1, sizeof(*s)); 1321e2d15004SDag-Erling Smørgrav if(!s) 1322e2d15004SDag-Erling Smørgrav return 0; 1323e2d15004SDag-Erling Smørgrav s->str = item; 1324e2d15004SDag-Erling Smørgrav s->str2 = i2; 1325e2d15004SDag-Erling Smørgrav s->str2len = i2len; 1326e2d15004SDag-Erling Smørgrav s->next = *head; 1327e2d15004SDag-Erling Smørgrav *head = s; 1328e2d15004SDag-Erling Smørgrav return 1; 1329e2d15004SDag-Erling Smørgrav } 1330e2d15004SDag-Erling Smørgrav 133117d15b25SDag-Erling Smørgrav time_t 1332b7579f77SDag-Erling Smørgrav cfg_convert_timeval(const char* str) 1333b7579f77SDag-Erling Smørgrav { 133417d15b25SDag-Erling Smørgrav time_t t; 1335b7579f77SDag-Erling Smørgrav struct tm tm; 1336b7579f77SDag-Erling Smørgrav memset(&tm, 0, sizeof(tm)); 1337b7579f77SDag-Erling Smørgrav if(strlen(str) < 14) 1338b7579f77SDag-Erling Smørgrav return 0; 1339b7579f77SDag-Erling Smørgrav if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, 1340b7579f77SDag-Erling Smørgrav &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) 1341b7579f77SDag-Erling Smørgrav return 0; 1342b7579f77SDag-Erling Smørgrav tm.tm_year -= 1900; 1343b7579f77SDag-Erling Smørgrav tm.tm_mon--; 1344b7579f77SDag-Erling Smørgrav /* Check values */ 1345b7579f77SDag-Erling Smørgrav if (tm.tm_year < 70) return 0; 1346b7579f77SDag-Erling Smørgrav if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; 1347b7579f77SDag-Erling Smørgrav if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; 1348b7579f77SDag-Erling Smørgrav if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; 1349b7579f77SDag-Erling Smørgrav if (tm.tm_min < 0 || tm.tm_min > 59) return 0; 1350b7579f77SDag-Erling Smørgrav if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; 1351b7579f77SDag-Erling Smørgrav /* call ldns conversion function */ 135217d15b25SDag-Erling Smørgrav t = sldns_mktime_from_utc(&tm); 1353b7579f77SDag-Erling Smørgrav return t; 1354b7579f77SDag-Erling Smørgrav } 1355b7579f77SDag-Erling Smørgrav 1356b7579f77SDag-Erling Smørgrav int 1357b7579f77SDag-Erling Smørgrav cfg_count_numbers(const char* s) 1358b7579f77SDag-Erling Smørgrav { 1359b7579f77SDag-Erling Smørgrav /* format ::= (sp num)+ sp */ 1360b7579f77SDag-Erling Smørgrav /* num ::= [-](0-9)+ */ 1361b7579f77SDag-Erling Smørgrav /* sp ::= (space|tab)* */ 1362b7579f77SDag-Erling Smørgrav int num = 0; 1363b7579f77SDag-Erling Smørgrav while(*s) { 1364ff825849SDag-Erling Smørgrav while(*s && isspace((unsigned char)*s)) 1365b7579f77SDag-Erling Smørgrav s++; 1366b7579f77SDag-Erling Smørgrav if(!*s) /* end of string */ 1367b7579f77SDag-Erling Smørgrav break; 1368b7579f77SDag-Erling Smørgrav if(*s == '-') 1369b7579f77SDag-Erling Smørgrav s++; 1370b7579f77SDag-Erling Smørgrav if(!*s) /* only - not allowed */ 1371b7579f77SDag-Erling Smørgrav return 0; 1372ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)*s)) /* bad character */ 1373b7579f77SDag-Erling Smørgrav return 0; 1374ff825849SDag-Erling Smørgrav while(*s && isdigit((unsigned char)*s)) 1375b7579f77SDag-Erling Smørgrav s++; 1376b7579f77SDag-Erling Smørgrav num++; 1377b7579f77SDag-Erling Smørgrav } 1378b7579f77SDag-Erling Smørgrav return num; 1379b7579f77SDag-Erling Smørgrav } 1380b7579f77SDag-Erling Smørgrav 1381b7579f77SDag-Erling Smørgrav /** all digit number */ 1382b7579f77SDag-Erling Smørgrav static int isalldigit(const char* str, size_t l) 1383b7579f77SDag-Erling Smørgrav { 1384b7579f77SDag-Erling Smørgrav size_t i; 1385b7579f77SDag-Erling Smørgrav for(i=0; i<l; i++) 1386ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)str[i])) 1387b7579f77SDag-Erling Smørgrav return 0; 1388b7579f77SDag-Erling Smørgrav return 1; 1389b7579f77SDag-Erling Smørgrav } 1390b7579f77SDag-Erling Smørgrav 1391b7579f77SDag-Erling Smørgrav int 1392b7579f77SDag-Erling Smørgrav cfg_parse_memsize(const char* str, size_t* res) 1393b7579f77SDag-Erling Smørgrav { 13948ed2b524SDag-Erling Smørgrav size_t len; 1395b7579f77SDag-Erling Smørgrav size_t mult = 1; 13968ed2b524SDag-Erling Smørgrav if(!str || (len=(size_t)strlen(str)) == 0) { 1397b7579f77SDag-Erling Smørgrav log_err("not a size: '%s'", str); 1398b7579f77SDag-Erling Smørgrav return 0; 1399b7579f77SDag-Erling Smørgrav } 1400b7579f77SDag-Erling Smørgrav if(isalldigit(str, len)) { 1401b7579f77SDag-Erling Smørgrav *res = (size_t)atol(str); 1402b7579f77SDag-Erling Smørgrav return 1; 1403b7579f77SDag-Erling Smørgrav } 1404b7579f77SDag-Erling Smørgrav /* check appended num */ 1405b7579f77SDag-Erling Smørgrav while(len>0 && str[len-1]==' ') 1406b7579f77SDag-Erling Smørgrav len--; 1407b7579f77SDag-Erling Smørgrav if(len > 1 && str[len-1] == 'b') 1408b7579f77SDag-Erling Smørgrav len--; 1409b7579f77SDag-Erling Smørgrav else if(len > 1 && str[len-1] == 'B') 1410b7579f77SDag-Erling Smørgrav len--; 1411b7579f77SDag-Erling Smørgrav 1412ff825849SDag-Erling Smørgrav if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') 1413b7579f77SDag-Erling Smørgrav mult = 1024*1024*1024; 1414ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') 1415b7579f77SDag-Erling Smørgrav mult = 1024*1024; 1416ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') 1417b7579f77SDag-Erling Smørgrav mult = 1024; 1418ff825849SDag-Erling Smørgrav else if(len > 0 && isdigit((unsigned char)str[len-1])) 1419b7579f77SDag-Erling Smørgrav mult = 1; 1420b7579f77SDag-Erling Smørgrav else { 1421b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1422b7579f77SDag-Erling Smørgrav return 0; 1423b7579f77SDag-Erling Smørgrav } 1424b7579f77SDag-Erling Smørgrav while(len>1 && str[len-2]==' ') 1425b7579f77SDag-Erling Smørgrav len--; 1426b7579f77SDag-Erling Smørgrav 1427b7579f77SDag-Erling Smørgrav if(!isalldigit(str, len-1)) { 1428b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1429b7579f77SDag-Erling Smørgrav return 0; 1430b7579f77SDag-Erling Smørgrav } 1431b7579f77SDag-Erling Smørgrav *res = ((size_t)atol(str)) * mult; 1432b7579f77SDag-Erling Smørgrav return 1; 1433b7579f77SDag-Erling Smørgrav } 1434b7579f77SDag-Erling Smørgrav 1435e2d15004SDag-Erling Smørgrav int 1436e2d15004SDag-Erling Smørgrav find_tag_id(struct config_file* cfg, const char* tag) 1437e2d15004SDag-Erling Smørgrav { 1438e2d15004SDag-Erling Smørgrav int i; 1439e2d15004SDag-Erling Smørgrav for(i=0; i<cfg->num_tags; i++) { 1440e2d15004SDag-Erling Smørgrav if(strcmp(cfg->tagname[i], tag) == 0) 1441e2d15004SDag-Erling Smørgrav return i; 1442e2d15004SDag-Erling Smørgrav } 1443e2d15004SDag-Erling Smørgrav return -1; 1444e2d15004SDag-Erling Smørgrav } 1445e2d15004SDag-Erling Smørgrav 1446e2d15004SDag-Erling Smørgrav int 1447e2d15004SDag-Erling Smørgrav config_add_tag(struct config_file* cfg, const char* tag) 1448e2d15004SDag-Erling Smørgrav { 1449e2d15004SDag-Erling Smørgrav char** newarray; 1450e2d15004SDag-Erling Smørgrav char* newtag; 1451e2d15004SDag-Erling Smørgrav if(find_tag_id(cfg, tag) != -1) 1452e2d15004SDag-Erling Smørgrav return 1; /* nothing to do */ 1453e2d15004SDag-Erling Smørgrav newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); 1454e2d15004SDag-Erling Smørgrav if(!newarray) 1455e2d15004SDag-Erling Smørgrav return 0; 1456e2d15004SDag-Erling Smørgrav newtag = strdup(tag); 1457e2d15004SDag-Erling Smørgrav if(!newtag) { 1458e2d15004SDag-Erling Smørgrav free(newarray); 1459e2d15004SDag-Erling Smørgrav return 0; 1460e2d15004SDag-Erling Smørgrav } 1461e2d15004SDag-Erling Smørgrav if(cfg->tagname) { 1462e2d15004SDag-Erling Smørgrav memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); 1463e2d15004SDag-Erling Smørgrav free(cfg->tagname); 1464e2d15004SDag-Erling Smørgrav } 1465e2d15004SDag-Erling Smørgrav newarray[cfg->num_tags++] = newtag; 1466e2d15004SDag-Erling Smørgrav cfg->tagname = newarray; 1467e2d15004SDag-Erling Smørgrav return 1; 1468e2d15004SDag-Erling Smørgrav } 1469e2d15004SDag-Erling Smørgrav 1470e2d15004SDag-Erling Smørgrav /** set a bit in a bit array */ 1471e2d15004SDag-Erling Smørgrav static void 1472e2d15004SDag-Erling Smørgrav cfg_set_bit(uint8_t* bitlist, size_t len, int id) 1473e2d15004SDag-Erling Smørgrav { 1474e2d15004SDag-Erling Smørgrav int pos = id/8; 1475e2d15004SDag-Erling Smørgrav log_assert((size_t)pos < len); 1476b5663de9SDag-Erling Smørgrav (void)len; 1477e2d15004SDag-Erling Smørgrav bitlist[pos] |= 1<<(id%8); 1478e2d15004SDag-Erling Smørgrav } 1479e2d15004SDag-Erling Smørgrav 1480e2d15004SDag-Erling Smørgrav uint8_t* config_parse_taglist(struct config_file* cfg, char* str, 1481e2d15004SDag-Erling Smørgrav size_t* listlen) 1482e2d15004SDag-Erling Smørgrav { 1483e2d15004SDag-Erling Smørgrav uint8_t* taglist = NULL; 1484e2d15004SDag-Erling Smørgrav size_t len = 0; 1485e2d15004SDag-Erling Smørgrav char* p, *s; 1486e2d15004SDag-Erling Smørgrav 1487e2d15004SDag-Erling Smørgrav /* allocate */ 1488e2d15004SDag-Erling Smørgrav if(cfg->num_tags == 0) { 1489e2d15004SDag-Erling Smørgrav log_err("parse taglist, but no tags defined"); 1490e2d15004SDag-Erling Smørgrav return 0; 1491e2d15004SDag-Erling Smørgrav } 1492e2d15004SDag-Erling Smørgrav len = (size_t)(cfg->num_tags+7)/8; 1493e2d15004SDag-Erling Smørgrav taglist = calloc(1, len); 1494e2d15004SDag-Erling Smørgrav if(!taglist) { 1495e2d15004SDag-Erling Smørgrav log_err("out of memory"); 1496e2d15004SDag-Erling Smørgrav return 0; 1497e2d15004SDag-Erling Smørgrav } 1498e2d15004SDag-Erling Smørgrav 1499e2d15004SDag-Erling Smørgrav /* parse */ 1500e2d15004SDag-Erling Smørgrav s = str; 1501e2d15004SDag-Erling Smørgrav while((p=strsep(&s, " \t\n")) != NULL) { 1502e2d15004SDag-Erling Smørgrav if(*p) { 1503e2d15004SDag-Erling Smørgrav int id = find_tag_id(cfg, p); 1504e2d15004SDag-Erling Smørgrav /* set this bit in the bitlist */ 1505e2d15004SDag-Erling Smørgrav if(id == -1) { 1506e2d15004SDag-Erling Smørgrav log_err("unknown tag: %s", p); 1507e2d15004SDag-Erling Smørgrav free(taglist); 1508e2d15004SDag-Erling Smørgrav return 0; 1509e2d15004SDag-Erling Smørgrav } 1510e2d15004SDag-Erling Smørgrav cfg_set_bit(taglist, len, id); 1511e2d15004SDag-Erling Smørgrav } 1512e2d15004SDag-Erling Smørgrav } 1513e2d15004SDag-Erling Smørgrav 1514e2d15004SDag-Erling Smørgrav *listlen = len; 1515e2d15004SDag-Erling Smørgrav return taglist; 1516e2d15004SDag-Erling Smørgrav } 1517e2d15004SDag-Erling Smørgrav 1518e2d15004SDag-Erling Smørgrav char* config_taglist2str(struct config_file* cfg, uint8_t* taglist, 1519e2d15004SDag-Erling Smørgrav size_t taglen) 1520e2d15004SDag-Erling Smørgrav { 1521e2d15004SDag-Erling Smørgrav char buf[10240]; 1522e2d15004SDag-Erling Smørgrav size_t i, j, len = 0; 1523e2d15004SDag-Erling Smørgrav buf[0] = 0; 1524e2d15004SDag-Erling Smørgrav for(i=0; i<taglen; i++) { 1525e2d15004SDag-Erling Smørgrav if(taglist[i] == 0) 1526e2d15004SDag-Erling Smørgrav continue; 1527e2d15004SDag-Erling Smørgrav for(j=0; j<8; j++) { 1528e2d15004SDag-Erling Smørgrav if((taglist[i] & (1<<j)) != 0) { 1529e2d15004SDag-Erling Smørgrav size_t id = i*8 + j; 1530e2d15004SDag-Erling Smørgrav snprintf(buf+len, sizeof(buf)-len, "%s%s", 1531e2d15004SDag-Erling Smørgrav (len==0?"":" "), cfg->tagname[id]); 1532e2d15004SDag-Erling Smørgrav len += strlen(buf+len); 1533e2d15004SDag-Erling Smørgrav } 1534e2d15004SDag-Erling Smørgrav } 1535e2d15004SDag-Erling Smørgrav } 1536e2d15004SDag-Erling Smørgrav return strdup(buf); 1537e2d15004SDag-Erling Smørgrav } 1538e2d15004SDag-Erling Smørgrav 1539e2d15004SDag-Erling Smørgrav int taglist_intersect(uint8_t* list1, size_t list1len, uint8_t* list2, 1540e2d15004SDag-Erling Smørgrav size_t list2len) 1541e2d15004SDag-Erling Smørgrav { 1542e2d15004SDag-Erling Smørgrav size_t i; 1543e2d15004SDag-Erling Smørgrav if(!list1 || !list2) 1544e2d15004SDag-Erling Smørgrav return 0; 1545e2d15004SDag-Erling Smørgrav for(i=0; i<list1len && i<list2len; i++) { 1546e2d15004SDag-Erling Smørgrav if((list1[i] & list2[i]) != 0) 1547e2d15004SDag-Erling Smørgrav return 1; 1548e2d15004SDag-Erling Smørgrav } 1549e2d15004SDag-Erling Smørgrav return 0; 1550e2d15004SDag-Erling Smørgrav } 1551e2d15004SDag-Erling Smørgrav 1552b7579f77SDag-Erling Smørgrav void 1553b7579f77SDag-Erling Smørgrav config_apply(struct config_file* config) 1554b7579f77SDag-Erling Smørgrav { 155517d15b25SDag-Erling Smørgrav MAX_TTL = (time_t)config->max_ttl; 155617d15b25SDag-Erling Smørgrav MIN_TTL = (time_t)config->min_ttl; 155709a3aaf3SDag-Erling Smørgrav MAX_NEG_TTL = (time_t)config->max_negative_ttl; 15586480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; 1559b7579f77SDag-Erling Smørgrav EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; 1560b7579f77SDag-Erling Smørgrav MINIMAL_RESPONSES = config->minimal_responses; 1561b7579f77SDag-Erling Smørgrav RRSET_ROUNDROBIN = config->rrset_roundrobin; 1562b7579f77SDag-Erling Smørgrav log_set_time_asc(config->log_time_ascii); 1563b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = config->permit_small_holddown; 1564b7579f77SDag-Erling Smørgrav } 1565b7579f77SDag-Erling Smørgrav 1566748bd829SDag-Erling Smørgrav void config_lookup_uid(struct config_file* cfg) 1567748bd829SDag-Erling Smørgrav { 1568748bd829SDag-Erling Smørgrav #ifdef HAVE_GETPWNAM 1569748bd829SDag-Erling Smørgrav /* translate username into uid and gid */ 1570748bd829SDag-Erling Smørgrav if(cfg->username && cfg->username[0]) { 1571748bd829SDag-Erling Smørgrav struct passwd *pwd; 15726480faa8SDag-Erling Smørgrav if((pwd = getpwnam(cfg->username)) != NULL) { 15736480faa8SDag-Erling Smørgrav cfg_uid = pwd->pw_uid; 15746480faa8SDag-Erling Smørgrav cfg_gid = pwd->pw_gid; 1575748bd829SDag-Erling Smørgrav } 15766480faa8SDag-Erling Smørgrav } 15776480faa8SDag-Erling Smørgrav #else 15786480faa8SDag-Erling Smørgrav (void)cfg; 1579748bd829SDag-Erling Smørgrav #endif 1580748bd829SDag-Erling Smørgrav } 1581748bd829SDag-Erling Smørgrav 1582b7579f77SDag-Erling Smørgrav /** 1583b7579f77SDag-Erling Smørgrav * Calculate string length of full pathname in original filesys 1584b7579f77SDag-Erling Smørgrav * @param fname: the path name to convert. 1585b7579f77SDag-Erling Smørgrav * Must not be null or empty. 1586b7579f77SDag-Erling Smørgrav * @param cfg: config struct for chroot and chdir (if set). 1587b7579f77SDag-Erling Smørgrav * @param use_chdir: if false, only chroot is applied. 1588b7579f77SDag-Erling Smørgrav * @return length of string. 1589b7579f77SDag-Erling Smørgrav * remember to allocate one more for 0 at end in mallocs. 1590b7579f77SDag-Erling Smørgrav */ 1591b7579f77SDag-Erling Smørgrav static size_t 1592b7579f77SDag-Erling Smørgrav strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1593b7579f77SDag-Erling Smørgrav { 1594b7579f77SDag-Erling Smørgrav size_t len = 0; 1595b7579f77SDag-Erling Smørgrav int slashit = 0; 1596b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1597b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1598b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 1599b7579f77SDag-Erling Smørgrav return strlen(fname); 1600b7579f77SDag-Erling Smørgrav } 1601b7579f77SDag-Erling Smørgrav /* chroot */ 1602b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1603b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 1604b7579f77SDag-Erling Smørgrav len += strlen(cfg->chrootdir); 1605b7579f77SDag-Erling Smørgrav slashit = 1; 1606b7579f77SDag-Erling Smørgrav } 1607b7579f77SDag-Erling Smørgrav /* chdir */ 1608b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1609b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1610b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1611b7579f77SDag-Erling Smørgrav } else 1612b7579f77SDag-Erling Smørgrav #endif 1613b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1614b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1615b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1616b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1617b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 1618b7579f77SDag-Erling Smørgrav len++; 1619b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1620b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1621b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 1622b7579f77SDag-Erling Smørgrav len += strlen(cfg->directory)-strlen(cfg->chrootdir); 1623b7579f77SDag-Erling Smørgrav else len += strlen(cfg->directory); 1624b7579f77SDag-Erling Smørgrav slashit = 1; 1625b7579f77SDag-Erling Smørgrav } 1626b7579f77SDag-Erling Smørgrav /* fname */ 1627b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 1628b7579f77SDag-Erling Smørgrav len++; 1629b7579f77SDag-Erling Smørgrav len += strlen(fname); 1630b7579f77SDag-Erling Smørgrav return len; 1631b7579f77SDag-Erling Smørgrav } 1632b7579f77SDag-Erling Smørgrav 1633b7579f77SDag-Erling Smørgrav char* 1634b7579f77SDag-Erling Smørgrav fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1635b7579f77SDag-Erling Smørgrav { 163617d15b25SDag-Erling Smørgrav size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; 1637b7579f77SDag-Erling Smørgrav int slashit = 0; 163817d15b25SDag-Erling Smørgrav char* buf = (char*)malloc(len); 1639b7579f77SDag-Erling Smørgrav if(!buf) 1640b7579f77SDag-Erling Smørgrav return NULL; 1641b7579f77SDag-Erling Smørgrav buf[0] = 0; 1642b7579f77SDag-Erling Smørgrav /* is fname already in chroot ? */ 1643b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1644b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1645b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 164617d15b25SDag-Erling Smørgrav (void)strlcpy(buf, fname, len); 164717d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1648b7579f77SDag-Erling Smørgrav return buf; 1649b7579f77SDag-Erling Smørgrav } 1650b7579f77SDag-Erling Smørgrav /* chroot */ 1651b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1652b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 165317d15b25SDag-Erling Smørgrav (void)strlcpy(buf, cfg->chrootdir, len); 1654b7579f77SDag-Erling Smørgrav slashit = 1; 1655b7579f77SDag-Erling Smørgrav } 1656b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1657b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1658b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1659b7579f77SDag-Erling Smørgrav } else 1660b7579f77SDag-Erling Smørgrav #endif 1661b7579f77SDag-Erling Smørgrav /* chdir */ 1662b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1663b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1664b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1665b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1666b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 166717d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 1668b7579f77SDag-Erling Smørgrav /* is the directory already in the chroot? */ 1669b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1670b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1671b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 167217d15b25SDag-Erling Smørgrav (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), 167317d15b25SDag-Erling Smørgrav len); 167417d15b25SDag-Erling Smørgrav else (void)strlcat(buf, cfg->directory, len); 1675b7579f77SDag-Erling Smørgrav slashit = 1; 1676b7579f77SDag-Erling Smørgrav } 1677b7579f77SDag-Erling Smørgrav /* fname */ 1678b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 167917d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 168017d15b25SDag-Erling Smørgrav (void)strlcat(buf, fname, len); 168117d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1682b7579f77SDag-Erling Smørgrav return buf; 1683b7579f77SDag-Erling Smørgrav } 1684b7579f77SDag-Erling Smørgrav 1685b7579f77SDag-Erling Smørgrav /** return next space character in string */ 1686b7579f77SDag-Erling Smørgrav static char* next_space_pos(const char* str) 1687b7579f77SDag-Erling Smørgrav { 1688b7579f77SDag-Erling Smørgrav char* sp = strchr(str, ' '); 1689b7579f77SDag-Erling Smørgrav char* tab = strchr(str, '\t'); 1690b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1691b7579f77SDag-Erling Smørgrav return NULL; 1692b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1693b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1694b7579f77SDag-Erling Smørgrav return (sp<tab)?sp:tab; 1695b7579f77SDag-Erling Smørgrav } 1696b7579f77SDag-Erling Smørgrav 1697b7579f77SDag-Erling Smørgrav /** return last space character in string */ 1698b7579f77SDag-Erling Smørgrav static char* last_space_pos(const char* str) 1699b7579f77SDag-Erling Smørgrav { 1700b7579f77SDag-Erling Smørgrav char* sp = strrchr(str, ' '); 1701b7579f77SDag-Erling Smørgrav char* tab = strrchr(str, '\t'); 1702b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1703b7579f77SDag-Erling Smørgrav return NULL; 1704b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1705b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1706b7579f77SDag-Erling Smørgrav return (sp>tab)?sp:tab; 1707b7579f77SDag-Erling Smørgrav } 1708b7579f77SDag-Erling Smørgrav 1709b7579f77SDag-Erling Smørgrav int 1710b7579f77SDag-Erling Smørgrav cfg_parse_local_zone(struct config_file* cfg, const char* val) 1711b7579f77SDag-Erling Smørgrav { 1712b7579f77SDag-Erling Smørgrav const char *type, *name_end, *name; 1713b7579f77SDag-Erling Smørgrav char buf[256]; 1714b7579f77SDag-Erling Smørgrav 1715b7579f77SDag-Erling Smørgrav /* parse it as: [zone_name] [between stuff] [zone_type] */ 1716b7579f77SDag-Erling Smørgrav name = val; 1717ff825849SDag-Erling Smørgrav while(*name && isspace((unsigned char)*name)) 1718b7579f77SDag-Erling Smørgrav name++; 1719b7579f77SDag-Erling Smørgrav if(!*name) { 1720b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", val); 1721b7579f77SDag-Erling Smørgrav return 0; 1722b7579f77SDag-Erling Smørgrav } 1723b7579f77SDag-Erling Smørgrav name_end = next_space_pos(name); 1724b7579f77SDag-Erling Smørgrav if(!name_end || !*name_end) { 1725b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1726b7579f77SDag-Erling Smørgrav return 0; 1727b7579f77SDag-Erling Smørgrav } 1728b7579f77SDag-Erling Smørgrav if (name_end - name > 255) { 1729b7579f77SDag-Erling Smørgrav log_err("syntax error: bad zone name: %s", val); 1730b7579f77SDag-Erling Smørgrav return 0; 1731b7579f77SDag-Erling Smørgrav } 173217d15b25SDag-Erling Smørgrav (void)strlcpy(buf, name, sizeof(buf)); 1733b7579f77SDag-Erling Smørgrav buf[name_end-name] = '\0'; 1734b7579f77SDag-Erling Smørgrav 1735b7579f77SDag-Erling Smørgrav type = last_space_pos(name_end); 1736ff825849SDag-Erling Smørgrav while(type && *type && isspace((unsigned char)*type)) 1737b7579f77SDag-Erling Smørgrav type++; 1738b7579f77SDag-Erling Smørgrav if(!type || !*type) { 1739b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1740b7579f77SDag-Erling Smørgrav return 0; 1741b7579f77SDag-Erling Smørgrav } 1742b7579f77SDag-Erling Smørgrav 1743b7579f77SDag-Erling Smørgrav if(strcmp(type, "nodefault")==0) { 1744b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_zones_nodefault, 1745b7579f77SDag-Erling Smørgrav strdup(name)); 1746b7579f77SDag-Erling Smørgrav } else { 1747b7579f77SDag-Erling Smørgrav return cfg_str2list_insert(&cfg->local_zones, strdup(buf), 1748b7579f77SDag-Erling Smørgrav strdup(type)); 1749b7579f77SDag-Erling Smørgrav } 1750b7579f77SDag-Erling Smørgrav } 1751b7579f77SDag-Erling Smørgrav 1752b7579f77SDag-Erling Smørgrav char* cfg_ptr_reverse(char* str) 1753b7579f77SDag-Erling Smørgrav { 1754b7579f77SDag-Erling Smørgrav char* ip, *ip_end; 1755b7579f77SDag-Erling Smørgrav char* name; 1756b7579f77SDag-Erling Smørgrav char* result; 1757b7579f77SDag-Erling Smørgrav char buf[1024]; 1758b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 1759b7579f77SDag-Erling Smørgrav socklen_t addrlen; 1760b7579f77SDag-Erling Smørgrav 1761b7579f77SDag-Erling Smørgrav /* parse it as: [IP] [between stuff] [name] */ 1762b7579f77SDag-Erling Smørgrav ip = str; 1763ff825849SDag-Erling Smørgrav while(*ip && isspace((unsigned char)*ip)) 1764b7579f77SDag-Erling Smørgrav ip++; 1765b7579f77SDag-Erling Smørgrav if(!*ip) { 1766b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", str); 1767b7579f77SDag-Erling Smørgrav return NULL; 1768b7579f77SDag-Erling Smørgrav } 1769b7579f77SDag-Erling Smørgrav ip_end = next_space_pos(ip); 1770b7579f77SDag-Erling Smørgrav if(!ip_end || !*ip_end) { 1771b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1772b7579f77SDag-Erling Smørgrav return NULL; 1773b7579f77SDag-Erling Smørgrav } 1774b7579f77SDag-Erling Smørgrav 1775b7579f77SDag-Erling Smørgrav name = last_space_pos(ip_end); 1776b7579f77SDag-Erling Smørgrav if(!name || !*name) { 1777b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1778b7579f77SDag-Erling Smørgrav return NULL; 1779b7579f77SDag-Erling Smørgrav } 1780b7579f77SDag-Erling Smørgrav 1781b7579f77SDag-Erling Smørgrav sscanf(ip, "%100s", buf); 1782b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1]=0; 1783b7579f77SDag-Erling Smørgrav 1784b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { 1785b7579f77SDag-Erling Smørgrav log_err("syntax error: cannot parse address: %s", str); 1786b7579f77SDag-Erling Smørgrav return NULL; 1787b7579f77SDag-Erling Smørgrav } 1788b7579f77SDag-Erling Smørgrav 1789b7579f77SDag-Erling Smørgrav /* reverse IPv4: 1790b7579f77SDag-Erling Smørgrav * ddd.ddd.ddd.ddd.in-addr-arpa. 1791b7579f77SDag-Erling Smørgrav * IPv6: (h.){32}.ip6.arpa. */ 1792b7579f77SDag-Erling Smørgrav 1793b7579f77SDag-Erling Smørgrav if(addr_is_ip6(&addr, addrlen)) { 1794b7579f77SDag-Erling Smørgrav uint8_t ad[16]; 1795b7579f77SDag-Erling Smørgrav const char* hex = "0123456789abcdef"; 1796b7579f77SDag-Erling Smørgrav char *p = buf; 1797b7579f77SDag-Erling Smørgrav int i; 1798b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, 1799b7579f77SDag-Erling Smørgrav sizeof(ad)); 1800b7579f77SDag-Erling Smørgrav for(i=15; i>=0; i--) { 1801b7579f77SDag-Erling Smørgrav uint8_t b = ad[i]; 1802b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0x0f) ]; 1803b7579f77SDag-Erling Smørgrav *p++ = '.'; 1804b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0xf0) >> 4 ]; 1805b7579f77SDag-Erling Smørgrav *p++ = '.'; 1806b7579f77SDag-Erling Smørgrav } 1807b7579f77SDag-Erling Smørgrav snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); 1808b7579f77SDag-Erling Smørgrav } else { 1809b7579f77SDag-Erling Smørgrav uint8_t ad[4]; 1810b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, 1811b7579f77SDag-Erling Smørgrav sizeof(ad)); 1812b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", 1813b7579f77SDag-Erling Smørgrav (unsigned)ad[3], (unsigned)ad[2], 1814b7579f77SDag-Erling Smørgrav (unsigned)ad[1], (unsigned)ad[0]); 1815b7579f77SDag-Erling Smørgrav } 1816b7579f77SDag-Erling Smørgrav 1817b7579f77SDag-Erling Smørgrav /* printed the reverse address, now the between goop and name on end */ 1818ff825849SDag-Erling Smørgrav while(*ip_end && isspace((unsigned char)*ip_end)) 1819b7579f77SDag-Erling Smørgrav ip_end++; 1820b7579f77SDag-Erling Smørgrav if(name>ip_end) { 1821b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", 1822b7579f77SDag-Erling Smørgrav (int)(name-ip_end), ip_end); 1823b7579f77SDag-Erling Smørgrav } 1824b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); 1825b7579f77SDag-Erling Smørgrav 1826b7579f77SDag-Erling Smørgrav result = strdup(buf); 1827b7579f77SDag-Erling Smørgrav if(!result) { 1828b7579f77SDag-Erling Smørgrav log_err("out of memory parsing %s", str); 1829b7579f77SDag-Erling Smørgrav return NULL; 1830b7579f77SDag-Erling Smørgrav } 1831b7579f77SDag-Erling Smørgrav return result; 1832b7579f77SDag-Erling Smørgrav } 1833b7579f77SDag-Erling Smørgrav 1834b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1835b7579f77SDag-Erling Smørgrav char* 1836b7579f77SDag-Erling Smørgrav w_lookup_reg_str(const char* key, const char* name) 1837b7579f77SDag-Erling Smørgrav { 1838b7579f77SDag-Erling Smørgrav HKEY hk = NULL; 1839b7579f77SDag-Erling Smørgrav DWORD type = 0; 1840b7579f77SDag-Erling Smørgrav BYTE buf[1024]; 1841b7579f77SDag-Erling Smørgrav DWORD len = (DWORD)sizeof(buf); 1842b7579f77SDag-Erling Smørgrav LONG ret; 1843b7579f77SDag-Erling Smørgrav char* result = NULL; 1844b7579f77SDag-Erling Smørgrav ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); 1845b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1846b7579f77SDag-Erling Smørgrav return NULL; /* key does not exist */ 1847b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1848b7579f77SDag-Erling Smørgrav log_err("RegOpenKeyEx failed"); 1849b7579f77SDag-Erling Smørgrav return NULL; 1850b7579f77SDag-Erling Smørgrav } 1851b7579f77SDag-Erling Smørgrav ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); 1852b7579f77SDag-Erling Smørgrav if(RegCloseKey(hk)) 1853b7579f77SDag-Erling Smørgrav log_err("RegCloseKey"); 1854b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1855b7579f77SDag-Erling Smørgrav return NULL; /* name does not exist */ 1856b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1857b7579f77SDag-Erling Smørgrav log_err("RegQueryValueEx failed"); 1858b7579f77SDag-Erling Smørgrav return NULL; 1859b7579f77SDag-Erling Smørgrav } 1860b7579f77SDag-Erling Smørgrav if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { 1861b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1] = 0; 1862b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-2] = 0; /* for multi_sz */ 1863b7579f77SDag-Erling Smørgrav result = strdup((char*)buf); 1864b7579f77SDag-Erling Smørgrav if(!result) log_err("out of memory"); 1865b7579f77SDag-Erling Smørgrav } 1866b7579f77SDag-Erling Smørgrav return result; 1867b7579f77SDag-Erling Smørgrav } 186805ab2901SDag-Erling Smørgrav 186905ab2901SDag-Erling Smørgrav void w_config_adjust_directory(struct config_file* cfg) 187005ab2901SDag-Erling Smørgrav { 187105ab2901SDag-Erling Smørgrav if(cfg->directory && cfg->directory[0]) { 187205ab2901SDag-Erling Smørgrav TCHAR dirbuf[2*MAX_PATH+4]; 187305ab2901SDag-Erling Smørgrav if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { 187405ab2901SDag-Erling Smørgrav /* get executable path, and if that contains 187505ab2901SDag-Erling Smørgrav * directories, snip off the filename part */ 187605ab2901SDag-Erling Smørgrav dirbuf[0] = 0; 187705ab2901SDag-Erling Smørgrav if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) 187805ab2901SDag-Erling Smørgrav log_err("could not GetModuleFileName"); 187905ab2901SDag-Erling Smørgrav if(strrchr(dirbuf, '\\')) { 188005ab2901SDag-Erling Smørgrav (strrchr(dirbuf, '\\'))[0] = 0; 188105ab2901SDag-Erling Smørgrav } else log_err("GetModuleFileName had no path"); 188205ab2901SDag-Erling Smørgrav if(dirbuf[0]) { 188305ab2901SDag-Erling Smørgrav /* adjust directory for later lookups to work*/ 188405ab2901SDag-Erling Smørgrav free(cfg->directory); 188505ab2901SDag-Erling Smørgrav cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); 188605ab2901SDag-Erling Smørgrav } 188705ab2901SDag-Erling Smørgrav } 188805ab2901SDag-Erling Smørgrav } 188905ab2901SDag-Erling Smørgrav } 1890b7579f77SDag-Erling Smørgrav #endif /* UB_ON_WINDOWS */ 1891b7579f77SDag-Erling Smørgrav 1892b7579f77SDag-Erling Smørgrav void errinf(struct module_qstate* qstate, const char* str) 1893b7579f77SDag-Erling Smørgrav { 1894b7579f77SDag-Erling Smørgrav struct config_strlist* p; 1895b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str) 1896b7579f77SDag-Erling Smørgrav return; 1897b7579f77SDag-Erling Smørgrav p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); 1898b7579f77SDag-Erling Smørgrav if(!p) { 1899b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1900b7579f77SDag-Erling Smørgrav return; 1901b7579f77SDag-Erling Smørgrav } 1902b7579f77SDag-Erling Smørgrav p->next = NULL; 1903b7579f77SDag-Erling Smørgrav p->str = regional_strdup(qstate->region, str); 1904b7579f77SDag-Erling Smørgrav if(!p->str) { 1905b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1906b7579f77SDag-Erling Smørgrav return; 1907b7579f77SDag-Erling Smørgrav } 1908b7579f77SDag-Erling Smørgrav /* add at end */ 1909b7579f77SDag-Erling Smørgrav if(qstate->errinf) { 1910b7579f77SDag-Erling Smørgrav struct config_strlist* q = qstate->errinf; 1911b7579f77SDag-Erling Smørgrav while(q->next) 1912b7579f77SDag-Erling Smørgrav q = q->next; 1913b7579f77SDag-Erling Smørgrav q->next = p; 1914b7579f77SDag-Erling Smørgrav } else qstate->errinf = p; 1915b7579f77SDag-Erling Smørgrav } 1916b7579f77SDag-Erling Smørgrav 1917b7579f77SDag-Erling Smørgrav void errinf_origin(struct module_qstate* qstate, struct sock_list *origin) 1918b7579f77SDag-Erling Smørgrav { 1919b7579f77SDag-Erling Smørgrav struct sock_list* p; 1920b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2) 1921b7579f77SDag-Erling Smørgrav return; 1922b7579f77SDag-Erling Smørgrav for(p=origin; p; p=p->next) { 1923b7579f77SDag-Erling Smørgrav char buf[256]; 1924b7579f77SDag-Erling Smørgrav if(p == origin) 1925b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "from "); 1926b7579f77SDag-Erling Smørgrav else snprintf(buf, sizeof(buf), "and "); 1927b7579f77SDag-Erling Smørgrav if(p->len == 0) 1928b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), 1929b7579f77SDag-Erling Smørgrav "cache"); 1930b7579f77SDag-Erling Smørgrav else 1931b7579f77SDag-Erling Smørgrav addr_to_str(&p->addr, p->len, buf+strlen(buf), 1932b7579f77SDag-Erling Smørgrav sizeof(buf)-strlen(buf)); 1933b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1934b7579f77SDag-Erling Smørgrav } 1935b7579f77SDag-Erling Smørgrav } 1936b7579f77SDag-Erling Smørgrav 1937b7579f77SDag-Erling Smørgrav char* errinf_to_str(struct module_qstate* qstate) 1938b7579f77SDag-Erling Smørgrav { 1939b7579f77SDag-Erling Smørgrav char buf[20480]; 1940b7579f77SDag-Erling Smørgrav char* p = buf; 1941b7579f77SDag-Erling Smørgrav size_t left = sizeof(buf); 1942b7579f77SDag-Erling Smørgrav struct config_strlist* s; 1943b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 194417d15b25SDag-Erling Smørgrav char t[16], c[16]; 194517d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 194617d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 1947b7579f77SDag-Erling Smørgrav dname_str(qstate->qinfo.qname, dname); 1948b7579f77SDag-Erling Smørgrav snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); 1949b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1950b7579f77SDag-Erling Smørgrav if(!qstate->errinf) 1951b7579f77SDag-Erling Smørgrav snprintf(p, left, " misc failure"); 1952b7579f77SDag-Erling Smørgrav else for(s=qstate->errinf; s; s=s->next) { 1953b7579f77SDag-Erling Smørgrav snprintf(p, left, " %s", s->str); 1954b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1955b7579f77SDag-Erling Smørgrav } 1956b7579f77SDag-Erling Smørgrav p = strdup(buf); 1957b7579f77SDag-Erling Smørgrav if(!p) 1958b7579f77SDag-Erling Smørgrav log_err("malloc failure in errinf_to_str"); 1959b7579f77SDag-Erling Smørgrav return p; 1960b7579f77SDag-Erling Smørgrav } 1961b7579f77SDag-Erling Smørgrav 1962b7579f77SDag-Erling Smørgrav void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) 1963b7579f77SDag-Erling Smørgrav { 1964b7579f77SDag-Erling Smørgrav char buf[1024]; 1965b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 196617d15b25SDag-Erling Smørgrav char t[16], c[16]; 1967b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !rr) 1968b7579f77SDag-Erling Smørgrav return; 196917d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); 197017d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); 1971b7579f77SDag-Erling Smørgrav dname_str(rr->rk.dname, dname); 1972b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); 1973b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1974b7579f77SDag-Erling Smørgrav } 1975b7579f77SDag-Erling Smørgrav 1976b7579f77SDag-Erling Smørgrav void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) 1977b7579f77SDag-Erling Smørgrav { 1978b7579f77SDag-Erling Smørgrav char b[1024]; 1979b7579f77SDag-Erling Smørgrav char buf[LDNS_MAX_DOMAINLEN+1]; 1980b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str || !dname) 1981b7579f77SDag-Erling Smørgrav return; 1982b7579f77SDag-Erling Smørgrav dname_str(dname, buf); 1983b7579f77SDag-Erling Smørgrav snprintf(b, sizeof(b), "%s %s", str, buf); 1984b7579f77SDag-Erling Smørgrav errinf(qstate, b); 1985b7579f77SDag-Erling Smørgrav } 1986