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; 108b7579f77SDag-Erling Smørgrav cfg->log_time_ascii = 0; 109b7579f77SDag-Erling Smørgrav cfg->log_queries = 0; 110b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 111b7579f77SDag-Erling Smørgrav # ifdef USE_MINI_EVENT 112b7579f77SDag-Erling Smørgrav /* select max 1024 sockets */ 113b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 960; 114b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 512; 115b7579f77SDag-Erling Smørgrav # else 116b7579f77SDag-Erling Smørgrav /* libevent can use many sockets */ 117b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 4096; 118b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 1024; 119b7579f77SDag-Erling Smørgrav # endif 120b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 10; 121b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 10; 122b7579f77SDag-Erling Smørgrav #else 123b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ 124b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 24; 125b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ 126b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 2; 127b7579f77SDag-Erling Smørgrav #endif 128b7579f77SDag-Erling Smørgrav cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */ 129b7579f77SDag-Erling Smørgrav cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ 130b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 4 * 1024 * 1024; 131b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 4; 132b7579f77SDag-Erling Smørgrav cfg->jostle_time = 200; 133b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 4 * 1024 * 1024; 134b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 4; 135b7579f77SDag-Erling Smørgrav cfg->host_ttl = 900; 136b7579f77SDag-Erling Smørgrav cfg->bogus_ttl = 60; 137b7579f77SDag-Erling Smørgrav cfg->min_ttl = 0; 138b7579f77SDag-Erling Smørgrav cfg->max_ttl = 3600 * 24; 13909a3aaf3SDag-Erling Smørgrav cfg->max_negative_ttl = 3600; 140b7579f77SDag-Erling Smørgrav cfg->prefetch = 0; 141b7579f77SDag-Erling Smørgrav cfg->prefetch_key = 0; 142b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 4; 143b7579f77SDag-Erling Smørgrav cfg->infra_cache_numhosts = 10000; 1446480faa8SDag-Erling Smørgrav cfg->infra_cache_min_rtt = 50; 14517d15b25SDag-Erling Smørgrav cfg->delay_close = 0; 146b7579f77SDag-Erling Smørgrav if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) 147b7579f77SDag-Erling Smørgrav goto error_exit; 148b7579f77SDag-Erling Smørgrav init_outgoing_availports(cfg->outgoing_avail_ports, 65536); 149b7579f77SDag-Erling Smørgrav if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; 150b7579f77SDag-Erling Smørgrav #ifdef HAVE_CHROOT 151b7579f77SDag-Erling Smørgrav if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; 152b7579f77SDag-Erling Smørgrav #endif 153b7579f77SDag-Erling Smørgrav if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; 154b7579f77SDag-Erling Smørgrav if(!(cfg->logfile = strdup(""))) goto error_exit; 155b7579f77SDag-Erling Smørgrav if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; 156b7579f77SDag-Erling Smørgrav if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; 157b7579f77SDag-Erling Smørgrav cfg->donotqueryaddrs = NULL; 158b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 1; 159b7579f77SDag-Erling Smørgrav cfg->root_hints = NULL; 160b7579f77SDag-Erling Smørgrav cfg->do_daemonize = 1; 161b7579f77SDag-Erling Smørgrav cfg->if_automatic = 0; 162b7579f77SDag-Erling Smørgrav cfg->so_rcvbuf = 0; 163b7579f77SDag-Erling Smørgrav cfg->so_sndbuf = 0; 16417d15b25SDag-Erling Smørgrav cfg->so_reuseport = 0; 16509a3aaf3SDag-Erling Smørgrav cfg->ip_transparent = 0; 166*e2d15004SDag-Erling Smørgrav cfg->ip_freebind = 0; 167b7579f77SDag-Erling Smørgrav cfg->num_ifs = 0; 168b7579f77SDag-Erling Smørgrav cfg->ifs = NULL; 169b7579f77SDag-Erling Smørgrav cfg->num_out_ifs = 0; 170b7579f77SDag-Erling Smørgrav cfg->out_ifs = NULL; 171b7579f77SDag-Erling Smørgrav cfg->stubs = NULL; 172b7579f77SDag-Erling Smørgrav cfg->forwards = NULL; 173b7579f77SDag-Erling Smørgrav cfg->acls = NULL; 174b7579f77SDag-Erling Smørgrav cfg->harden_short_bufsize = 0; 175b7579f77SDag-Erling Smørgrav cfg->harden_large_queries = 0; 176b7579f77SDag-Erling Smørgrav cfg->harden_glue = 1; 177b7579f77SDag-Erling Smørgrav cfg->harden_dnssec_stripped = 1; 178b7579f77SDag-Erling Smørgrav cfg->harden_below_nxdomain = 0; 179b7579f77SDag-Erling Smørgrav cfg->harden_referral_path = 0; 180b75612f8SDag-Erling Smørgrav cfg->harden_algo_downgrade = 0; 181b7579f77SDag-Erling Smørgrav cfg->use_caps_bits_for_id = 0; 18209a3aaf3SDag-Erling Smørgrav cfg->caps_whitelist = NULL; 183b7579f77SDag-Erling Smørgrav cfg->private_address = NULL; 184b7579f77SDag-Erling Smørgrav cfg->private_domain = NULL; 185b7579f77SDag-Erling Smørgrav cfg->unwanted_threshold = 0; 186b7579f77SDag-Erling Smørgrav cfg->hide_identity = 0; 187b7579f77SDag-Erling Smørgrav cfg->hide_version = 0; 188b7579f77SDag-Erling Smørgrav cfg->identity = NULL; 189b7579f77SDag-Erling Smørgrav cfg->version = NULL; 190b7579f77SDag-Erling Smørgrav cfg->auto_trust_anchor_file_list = NULL; 191b7579f77SDag-Erling Smørgrav cfg->trust_anchor_file_list = NULL; 192b7579f77SDag-Erling Smørgrav cfg->trust_anchor_list = NULL; 193b7579f77SDag-Erling Smørgrav cfg->trusted_keys_file_list = NULL; 194b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_file = NULL; 195b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_list = NULL; 196b7579f77SDag-Erling Smørgrav cfg->domain_insecure = NULL; 197b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 198b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ 199b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ 200b7579f77SDag-Erling Smørgrav cfg->val_clean_additional = 1; 201b7579f77SDag-Erling Smørgrav cfg->val_log_level = 0; 202b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 0; 203b7579f77SDag-Erling Smørgrav cfg->val_permissive_mode = 0; 204b7579f77SDag-Erling Smørgrav cfg->ignore_cd = 0; 205b7579f77SDag-Erling Smørgrav cfg->add_holddown = 30*24*3600; 206b7579f77SDag-Erling Smørgrav cfg->del_holddown = 30*24*3600; 207b7579f77SDag-Erling Smørgrav cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ 208b75612f8SDag-Erling Smørgrav cfg->permit_small_holddown = 0; 209b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 4 * 1024 * 1024; 210b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 4; 211b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 1 * 1024 * 1024; 212b7579f77SDag-Erling Smørgrav cfg->local_zones = NULL; 213b7579f77SDag-Erling Smørgrav cfg->local_zones_nodefault = NULL; 214b7579f77SDag-Erling Smørgrav cfg->local_data = NULL; 215c536e4dcSDag-Erling Smørgrav cfg->unblock_lan_zones = 0; 2160de4f1bfSDag-Erling Smørgrav cfg->insecure_lan_zones = 0; 217b7579f77SDag-Erling Smørgrav cfg->python_script = NULL; 218b7579f77SDag-Erling Smørgrav cfg->remote_control_enable = 0; 219b7579f77SDag-Erling Smørgrav cfg->control_ifs = NULL; 220b7579f77SDag-Erling Smørgrav cfg->control_port = UNBOUND_CONTROL_PORT; 221748bd829SDag-Erling Smørgrav cfg->remote_control_use_cert = 1; 222b7579f77SDag-Erling Smørgrav cfg->minimal_responses = 0; 223b7579f77SDag-Erling Smørgrav cfg->rrset_roundrobin = 0; 22417d15b25SDag-Erling Smørgrav cfg->max_udp_size = 4096; 225b7579f77SDag-Erling Smørgrav if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) 226b7579f77SDag-Erling Smørgrav goto error_exit; 227b7579f77SDag-Erling Smørgrav if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) 228b7579f77SDag-Erling Smørgrav goto error_exit; 229b7579f77SDag-Erling Smørgrav if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) 230b7579f77SDag-Erling Smørgrav goto error_exit; 231b7579f77SDag-Erling Smørgrav if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) 232b7579f77SDag-Erling Smørgrav goto error_exit; 233b7579f77SDag-Erling Smørgrav 234b7579f77SDag-Erling Smørgrav if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; 235b7579f77SDag-Erling Smørgrav if(!(cfg->val_nsec3_key_iterations = 236b7579f77SDag-Erling Smørgrav strdup("1024 150 2048 500 4096 2500"))) goto error_exit; 237ff825849SDag-Erling Smørgrav #if defined(DNSTAP_SOCKET_PATH) 238ff825849SDag-Erling Smørgrav if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) 239ff825849SDag-Erling Smørgrav goto error_exit; 240ff825849SDag-Erling Smørgrav #endif 241*e2d15004SDag-Erling Smørgrav cfg->disable_dnssec_lame_check = 0; 24209a3aaf3SDag-Erling Smørgrav cfg->ratelimit = 0; 24309a3aaf3SDag-Erling Smørgrav cfg->ratelimit_slabs = 4; 24409a3aaf3SDag-Erling Smørgrav cfg->ratelimit_size = 4*1024*1024; 24509a3aaf3SDag-Erling Smørgrav cfg->ratelimit_for_domain = NULL; 24609a3aaf3SDag-Erling Smørgrav cfg->ratelimit_below_domain = NULL; 24709a3aaf3SDag-Erling Smørgrav cfg->ratelimit_factor = 10; 24805ab2901SDag-Erling Smørgrav cfg->qname_minimisation = 0; 249b7579f77SDag-Erling Smørgrav return cfg; 250b7579f77SDag-Erling Smørgrav error_exit: 251b7579f77SDag-Erling Smørgrav config_delete(cfg); 252b7579f77SDag-Erling Smørgrav return NULL; 253b7579f77SDag-Erling Smørgrav } 254b7579f77SDag-Erling Smørgrav 255b7579f77SDag-Erling Smørgrav struct config_file* config_create_forlib(void) 256b7579f77SDag-Erling Smørgrav { 257b7579f77SDag-Erling Smørgrav struct config_file* cfg = config_create(); 258b7579f77SDag-Erling Smørgrav if(!cfg) return NULL; 259b7579f77SDag-Erling Smørgrav /* modifications for library use, less verbose, less memory */ 260b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 261b7579f77SDag-Erling Smørgrav cfg->chrootdir = NULL; 262b7579f77SDag-Erling Smørgrav cfg->verbosity = 0; 263b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' 264b7579f77SDag-Erling Smørgrav and probably within the ulimit(maxfds) of the user */ 265b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; 266b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 1024*1024; 267b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 1; 268b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 1024*1024; 269b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 1; 270b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 1; 271b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 272b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 1024*1024; 273b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 1; 274b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 100 * 1024; 275b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 0; /* allow, so that you can ask a 276b7579f77SDag-Erling Smørgrav forward nameserver running on localhost */ 277b7579f77SDag-Erling Smørgrav cfg->val_log_level = 2; /* to fill why_bogus with */ 278b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 1; 279b7579f77SDag-Erling Smørgrav return cfg; 280b7579f77SDag-Erling Smørgrav } 281b7579f77SDag-Erling Smørgrav 282b7579f77SDag-Erling Smørgrav /** check that the value passed is >= 0 */ 283b7579f77SDag-Erling Smørgrav #define IS_NUMBER_OR_ZERO \ 284b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 285b7579f77SDag-Erling Smørgrav /** check that the value passed is > 0 */ 286b7579f77SDag-Erling Smørgrav #define IS_NONZERO_NUMBER \ 287b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0 288b7579f77SDag-Erling Smørgrav /** check that the value passed is not 0 and a power of 2 */ 289b7579f77SDag-Erling Smørgrav #define IS_POW2_NUMBER \ 290b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 291b7579f77SDag-Erling Smørgrav /** check that the value passed is yes or no */ 292b7579f77SDag-Erling Smørgrav #define IS_YES_OR_NO \ 293b7579f77SDag-Erling Smørgrav if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 294b7579f77SDag-Erling Smørgrav /** put integer_or_zero into variable */ 295b7579f77SDag-Erling Smørgrav #define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 296b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } 297b7579f77SDag-Erling Smørgrav /** put integer_nonzero into variable */ 298b7579f77SDag-Erling Smørgrav #define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 299b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = atoi(val); } 300b7579f77SDag-Erling Smørgrav /** put integer_or_zero into unsigned */ 301b7579f77SDag-Erling Smørgrav #define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 302b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } 303b7579f77SDag-Erling Smørgrav /** put integer_or_zero into size_t */ 304b7579f77SDag-Erling Smørgrav #define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 305b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } 306b7579f77SDag-Erling Smørgrav /** put integer_nonzero into size_t */ 307b7579f77SDag-Erling Smørgrav #define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 308b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } 309b7579f77SDag-Erling Smørgrav /** put yesno into variable */ 310b7579f77SDag-Erling Smørgrav #define S_YNO(str, var) if(strcmp(opt, str) == 0) \ 311b7579f77SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } 312b7579f77SDag-Erling Smørgrav /** put memsize into variable */ 313b7579f77SDag-Erling Smørgrav #define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ 314b7579f77SDag-Erling Smørgrav { return cfg_parse_memsize(val, &cfg->var); } 315b7579f77SDag-Erling Smørgrav /** put pow2 number into variable */ 316b7579f77SDag-Erling Smørgrav #define S_POW2(str, var) if(strcmp(opt, str)==0) \ 317b7579f77SDag-Erling Smørgrav { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } 318b7579f77SDag-Erling Smørgrav /** put string into variable */ 319b7579f77SDag-Erling Smørgrav #define S_STR(str, var) if(strcmp(opt, str)==0) \ 320b7579f77SDag-Erling Smørgrav { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } 321b7579f77SDag-Erling Smørgrav /** put string into strlist */ 322b7579f77SDag-Erling Smørgrav #define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ 323b7579f77SDag-Erling Smørgrav { return cfg_strlist_insert(&cfg->var, strdup(val)); } 324b7579f77SDag-Erling Smørgrav 325b7579f77SDag-Erling Smørgrav int config_set_option(struct config_file* cfg, const char* opt, 326b7579f77SDag-Erling Smørgrav const char* val) 327b7579f77SDag-Erling Smørgrav { 328b7579f77SDag-Erling Smørgrav S_NUMBER_OR_ZERO("verbosity:", verbosity) 329b7579f77SDag-Erling Smørgrav else if(strcmp(opt, "statistics-interval:") == 0) { 330b7579f77SDag-Erling Smørgrav if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) 331b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 332b7579f77SDag-Erling Smørgrav else if(atoi(val) == 0) 333b7579f77SDag-Erling Smørgrav return 0; 334b7579f77SDag-Erling Smørgrav else cfg->stat_interval = atoi(val); 335b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "num_threads:") == 0) { 336b7579f77SDag-Erling Smørgrav /* not supported, library must have 1 thread in bgworker */ 337b7579f77SDag-Erling Smørgrav return 0; 338b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-permit:") == 0) { 339b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 1, 340b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 341b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { 342b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 0, 343b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 344b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-zone:") == 0) { 345b7579f77SDag-Erling Smørgrav return cfg_parse_local_zone(cfg, val); 346b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "val-override-date:") == 0) { 347b7579f77SDag-Erling Smørgrav if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { 348b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 349b7579f77SDag-Erling Smørgrav } else if(strlen(val) == 14) { 350b7579f77SDag-Erling Smørgrav cfg->val_date_override = cfg_convert_timeval(val); 351b7579f77SDag-Erling Smørgrav return cfg->val_date_override != 0; 352b7579f77SDag-Erling Smørgrav } else { 353b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0; 354b7579f77SDag-Erling Smørgrav cfg->val_date_override = (uint32_t)atoi(val); 355b7579f77SDag-Erling Smørgrav } 356b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-data-ptr:") == 0) { 357b7579f77SDag-Erling Smørgrav char* ptr = cfg_ptr_reverse((char*)opt); 358b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_data, ptr); 359b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "logfile:") == 0) { 360b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 361b7579f77SDag-Erling Smørgrav free(cfg->logfile); 362b7579f77SDag-Erling Smørgrav return (cfg->logfile = strdup(val)) != NULL; 363b7579f77SDag-Erling Smørgrav } 36417d15b25SDag-Erling Smørgrav else if(strcmp(opt, "log-time-ascii:") == 0) 36517d15b25SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); 36617d15b25SDag-Erling Smørgrav log_set_time_asc(cfg->log_time_ascii); } 36717d15b25SDag-Erling Smørgrav else S_SIZET_NONZERO("max-udp-size:", max_udp_size) 368b7579f77SDag-Erling Smørgrav else S_YNO("use-syslog:", use_syslog) 369b7579f77SDag-Erling Smørgrav else S_YNO("extended-statistics:", stat_extended) 370b7579f77SDag-Erling Smørgrav else S_YNO("statistics-cumulative:", stat_cumulative) 371b7579f77SDag-Erling Smørgrav else S_YNO("do-ip4:", do_ip4) 372b7579f77SDag-Erling Smørgrav else S_YNO("do-ip6:", do_ip6) 373b7579f77SDag-Erling Smørgrav else S_YNO("do-udp:", do_udp) 374b7579f77SDag-Erling Smørgrav else S_YNO("do-tcp:", do_tcp) 375b7579f77SDag-Erling Smørgrav else S_YNO("tcp-upstream:", tcp_upstream) 376f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) 377f61ef7f6SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) 378b7579f77SDag-Erling Smørgrav else S_YNO("ssl-upstream:", ssl_upstream) 379b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-key:", ssl_service_key) 380b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-pem:", ssl_service_pem) 381b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("ssl-port:", ssl_port) 382b7579f77SDag-Erling Smørgrav else S_YNO("interface-automatic:", if_automatic) 383b7579f77SDag-Erling Smørgrav else S_YNO("do-daemonize:", do_daemonize) 384b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("port:", port) 385b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) 386b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) 387b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) 388b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) 389b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) 390b7579f77SDag-Erling Smørgrav else S_MEMSIZE("msg-cache-size:", msg_cache_size) 391b7579f77SDag-Erling Smørgrav else S_POW2("msg-cache-slabs:", msg_cache_slabs) 392b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) 393b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) 394b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) 395b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-sndbuf:", so_sndbuf) 39617d15b25SDag-Erling Smørgrav else S_YNO("so-reuseport:", so_reuseport) 39709a3aaf3SDag-Erling Smørgrav else S_YNO("ip-transparent:", ip_transparent) 398*e2d15004SDag-Erling Smørgrav else S_YNO("ip-freebind:", ip_freebind) 399b7579f77SDag-Erling Smørgrav else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) 400b7579f77SDag-Erling Smørgrav else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) 401b7579f77SDag-Erling Smørgrav else S_YNO("prefetch:", prefetch) 402b7579f77SDag-Erling Smørgrav else S_YNO("prefetch-key:", prefetch_key) 40317d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-ttl:") == 0) 40417d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} 40509a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-negative-ttl:") == 0) 40609a3aaf3SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} 40717d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-min-ttl:") == 0) 40817d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} 4096480faa8SDag-Erling Smørgrav else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { 4106480faa8SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); 4116480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; 4126480faa8SDag-Erling Smørgrav } 413b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) 414b7579f77SDag-Erling Smørgrav else S_POW2("infra-cache-slabs:", infra_cache_slabs) 415b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) 41617d15b25SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("delay-close:", delay_close) 417b7579f77SDag-Erling Smørgrav else S_STR("chroot:", chrootdir) 418b7579f77SDag-Erling Smørgrav else S_STR("username:", username) 419b7579f77SDag-Erling Smørgrav else S_STR("directory:", directory) 420b7579f77SDag-Erling Smørgrav else S_STR("pidfile:", pidfile) 421b7579f77SDag-Erling Smørgrav else S_YNO("hide-identity:", hide_identity) 422b7579f77SDag-Erling Smørgrav else S_YNO("hide-version:", hide_version) 423b7579f77SDag-Erling Smørgrav else S_STR("identity:", identity) 424b7579f77SDag-Erling Smørgrav else S_STR("version:", version) 425b7579f77SDag-Erling Smørgrav else S_STRLIST("root-hints:", root_hints) 426b7579f77SDag-Erling Smørgrav else S_STR("target-fetch-policy:", target_fetch_policy) 427b7579f77SDag-Erling Smørgrav else S_YNO("harden-glue:", harden_glue) 428b7579f77SDag-Erling Smørgrav else S_YNO("harden-short-bufsize:", harden_short_bufsize) 429b7579f77SDag-Erling Smørgrav else S_YNO("harden-large-queries:", harden_large_queries) 430b7579f77SDag-Erling Smørgrav else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) 431b7579f77SDag-Erling Smørgrav else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) 432b7579f77SDag-Erling Smørgrav else S_YNO("harden-referral-path:", harden_referral_path) 43309a3aaf3SDag-Erling Smørgrav else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) 434b7579f77SDag-Erling Smørgrav else S_YNO("use-caps-for-id", use_caps_bits_for_id) 43509a3aaf3SDag-Erling Smørgrav else S_STRLIST("caps-whitelist:", caps_whitelist) 436b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) 437b7579f77SDag-Erling Smørgrav else S_STRLIST("private-address:", private_address) 438b7579f77SDag-Erling Smørgrav else S_STRLIST("private-domain:", private_domain) 439b7579f77SDag-Erling Smørgrav else S_YNO("do-not-query-localhost:", donotquery_localhost) 440b7579f77SDag-Erling Smørgrav else S_STRLIST("do-not-query-address:", donotqueryaddrs) 441b7579f77SDag-Erling Smørgrav else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) 442b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) 443b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor:", trust_anchor_list) 444b7579f77SDag-Erling Smørgrav else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) 445b7579f77SDag-Erling Smørgrav else S_STR("dlv-anchor-file:", dlv_anchor_file) 446b7579f77SDag-Erling Smørgrav else S_STRLIST("dlv-anchor:", dlv_anchor_list) 447b7579f77SDag-Erling Smørgrav else S_STRLIST("domain-insecure:", domain_insecure) 448b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) 449b7579f77SDag-Erling Smørgrav else S_YNO("val-clean-additional:", val_clean_additional) 450b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) 451b7579f77SDag-Erling Smørgrav else S_YNO("val-log-squelch:", val_log_squelch) 452b7579f77SDag-Erling Smørgrav else S_YNO("log-queries:", log_queries) 453b7579f77SDag-Erling Smørgrav else S_YNO("val-permissive-mode:", val_permissive_mode) 454b7579f77SDag-Erling Smørgrav else S_YNO("ignore-cd-flag:", ignore_cd) 455b7579f77SDag-Erling Smørgrav else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) 456b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) 457b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) 458b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) 459b75612f8SDag-Erling Smørgrav else if(strcmp(opt, "permit-small-holddown:") == 0) 460b75612f8SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); 461b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = cfg->permit_small_holddown; } 462b7579f77SDag-Erling Smørgrav else S_MEMSIZE("key-cache-size:", key_cache_size) 463b7579f77SDag-Erling Smørgrav else S_POW2("key-cache-slabs:", key_cache_slabs) 464b7579f77SDag-Erling Smørgrav else S_MEMSIZE("neg-cache-size:", neg_cache_size) 465b7579f77SDag-Erling Smørgrav else S_YNO("minimal-responses:", minimal_responses) 466b7579f77SDag-Erling Smørgrav else S_YNO("rrset-roundrobin:", rrset_roundrobin) 467b7579f77SDag-Erling Smørgrav else S_STRLIST("local-data:", local_data) 468c536e4dcSDag-Erling Smørgrav else S_YNO("unblock-lan-zones:", unblock_lan_zones) 4690de4f1bfSDag-Erling Smørgrav else S_YNO("insecure-lan-zones:", insecure_lan_zones) 470b7579f77SDag-Erling Smørgrav else S_YNO("control-enable:", remote_control_enable) 471b7579f77SDag-Erling Smørgrav else S_STRLIST("control-interface:", control_ifs) 472b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("control-port:", control_port) 473b7579f77SDag-Erling Smørgrav else S_STR("server-key-file:", server_key_file) 474b7579f77SDag-Erling Smørgrav else S_STR("server-cert-file:", server_cert_file) 475b7579f77SDag-Erling Smørgrav else S_STR("control-key-file:", control_key_file) 476b7579f77SDag-Erling Smørgrav else S_STR("control-cert-file:", control_cert_file) 477b7579f77SDag-Erling Smørgrav else S_STR("module-config:", module_conf) 478b7579f77SDag-Erling Smørgrav else S_STR("python-script:", python_script) 479*e2d15004SDag-Erling Smørgrav else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) 48009a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "ratelimit:") == 0) { 48109a3aaf3SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); 48209a3aaf3SDag-Erling Smørgrav infra_dp_ratelimit=cfg->ratelimit; 48309a3aaf3SDag-Erling Smørgrav } 48409a3aaf3SDag-Erling Smørgrav else S_MEMSIZE("ratelimit-size:", ratelimit_size) 48509a3aaf3SDag-Erling Smørgrav else S_POW2("ratelimit-slabs:", ratelimit_slabs) 48609a3aaf3SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) 48705ab2901SDag-Erling Smørgrav else S_YNO("qname-minimisation:", qname_minimisation) 488*e2d15004SDag-Erling Smørgrav else if(strcmp(opt, "define-tag:") ==0) { 489*e2d15004SDag-Erling Smørgrav return config_add_tag(cfg, val); 49017d15b25SDag-Erling Smørgrav /* val_sig_skew_min and max are copied into val_env during init, 49117d15b25SDag-Erling Smørgrav * so this does not update val_env with set_option */ 492*e2d15004SDag-Erling Smørgrav } else if(strcmp(opt, "val-sig-skew-min:") == 0) 49317d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } 49417d15b25SDag-Erling Smørgrav else if(strcmp(opt, "val-sig-skew-max:") == 0) 49517d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } 496b7579f77SDag-Erling Smørgrav else if (strcmp(opt, "outgoing-interface:") == 0) { 497b7579f77SDag-Erling Smørgrav char* d = strdup(val); 49809a3aaf3SDag-Erling Smørgrav char** oi = 49909a3aaf3SDag-Erling Smørgrav (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); 500b7579f77SDag-Erling Smørgrav if(!d || !oi) { free(d); free(oi); return -1; } 501b7579f77SDag-Erling Smørgrav if(cfg->out_ifs && cfg->num_out_ifs) { 502b7579f77SDag-Erling Smørgrav memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); 503b7579f77SDag-Erling Smørgrav free(cfg->out_ifs); 504b7579f77SDag-Erling Smørgrav } 505b7579f77SDag-Erling Smørgrav oi[cfg->num_out_ifs++] = d; 506b7579f77SDag-Erling Smørgrav cfg->out_ifs = oi; 507b7579f77SDag-Erling Smørgrav } else { 508b7579f77SDag-Erling Smørgrav /* unknown or unsupported (from the set_option interface): 509b7579f77SDag-Erling Smørgrav * interface, outgoing-interface, access-control, 510b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 511b7579f77SDag-Erling Smørgrav * forward-first, stub-first, 51209a3aaf3SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host, 513*e2d15004SDag-Erling Smørgrav * ratelimit-for-domain, ratelimit-below-domain, 514*e2d15004SDag-Erling Smørgrav * local-zone-tag */ 515b7579f77SDag-Erling Smørgrav return 0; 516b7579f77SDag-Erling Smørgrav } 517b7579f77SDag-Erling Smørgrav return 1; 518b7579f77SDag-Erling Smørgrav } 519b7579f77SDag-Erling Smørgrav 520b7579f77SDag-Erling Smørgrav void config_print_func(char* line, void* arg) 521b7579f77SDag-Erling Smørgrav { 522b7579f77SDag-Erling Smørgrav FILE* f = (FILE*)arg; 523b7579f77SDag-Erling Smørgrav (void)fprintf(f, "%s\n", line); 524b7579f77SDag-Erling Smørgrav } 525b7579f77SDag-Erling Smørgrav 526b7579f77SDag-Erling Smørgrav /** collate func arg */ 527b7579f77SDag-Erling Smørgrav struct config_collate_arg { 528b7579f77SDag-Erling Smørgrav /** list of result items */ 529b7579f77SDag-Erling Smørgrav struct config_strlist_head list; 530b7579f77SDag-Erling Smørgrav /** if a malloc error occurred, 0 is OK */ 531b7579f77SDag-Erling Smørgrav int status; 532b7579f77SDag-Erling Smørgrav }; 533b7579f77SDag-Erling Smørgrav 534b7579f77SDag-Erling Smørgrav void config_collate_func(char* line, void* arg) 535b7579f77SDag-Erling Smørgrav { 536b7579f77SDag-Erling Smørgrav struct config_collate_arg* m = (struct config_collate_arg*)arg; 537b7579f77SDag-Erling Smørgrav if(m->status) 538b7579f77SDag-Erling Smørgrav return; 539b7579f77SDag-Erling Smørgrav if(!cfg_strlist_append(&m->list, strdup(line))) 540b7579f77SDag-Erling Smørgrav m->status = 1; 541b7579f77SDag-Erling Smørgrav } 542b7579f77SDag-Erling Smørgrav 543b7579f77SDag-Erling Smørgrav int config_get_option_list(struct config_file* cfg, const char* opt, 544b7579f77SDag-Erling Smørgrav struct config_strlist** list) 545b7579f77SDag-Erling Smørgrav { 546b7579f77SDag-Erling Smørgrav struct config_collate_arg m; 547b7579f77SDag-Erling Smørgrav memset(&m, 0, sizeof(m)); 548b7579f77SDag-Erling Smørgrav *list = NULL; 549b7579f77SDag-Erling Smørgrav if(!config_get_option(cfg, opt, config_collate_func, &m)) 550b7579f77SDag-Erling Smørgrav return 1; 551b7579f77SDag-Erling Smørgrav if(m.status) { 552b7579f77SDag-Erling Smørgrav config_delstrlist(m.list.first); 553b7579f77SDag-Erling Smørgrav return 2; 554b7579f77SDag-Erling Smørgrav } 555b7579f77SDag-Erling Smørgrav *list = m.list.first; 556b7579f77SDag-Erling Smørgrav return 0; 557b7579f77SDag-Erling Smørgrav } 558b7579f77SDag-Erling Smørgrav 559b7579f77SDag-Erling Smørgrav int 560b7579f77SDag-Erling Smørgrav config_get_option_collate(struct config_file* cfg, const char* opt, char** str) 561b7579f77SDag-Erling Smørgrav { 562b7579f77SDag-Erling Smørgrav struct config_strlist* list = NULL; 563b7579f77SDag-Erling Smørgrav int r; 564b7579f77SDag-Erling Smørgrav *str = NULL; 565b7579f77SDag-Erling Smørgrav if((r = config_get_option_list(cfg, opt, &list)) != 0) 566b7579f77SDag-Erling Smørgrav return r; 567b7579f77SDag-Erling Smørgrav *str = config_collate_cat(list); 568b7579f77SDag-Erling Smørgrav config_delstrlist(list); 569b7579f77SDag-Erling Smørgrav if(!*str) return 2; 570b7579f77SDag-Erling Smørgrav return 0; 571b7579f77SDag-Erling Smørgrav } 572b7579f77SDag-Erling Smørgrav 573b7579f77SDag-Erling Smørgrav char* 574b7579f77SDag-Erling Smørgrav config_collate_cat(struct config_strlist* list) 575b7579f77SDag-Erling Smørgrav { 576b7579f77SDag-Erling Smørgrav size_t total = 0, left; 577b7579f77SDag-Erling Smørgrav struct config_strlist* s; 578b7579f77SDag-Erling Smørgrav char *r, *w; 579b7579f77SDag-Erling Smørgrav if(!list) /* no elements */ 580b7579f77SDag-Erling Smørgrav return strdup(""); 581b7579f77SDag-Erling Smørgrav if(list->next == NULL) /* one element , no newline at end. */ 582b7579f77SDag-Erling Smørgrav return strdup(list->str); 583b7579f77SDag-Erling Smørgrav /* count total length */ 584b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) 585b7579f77SDag-Erling Smørgrav total += strlen(s->str) + 1; /* len + newline */ 586b7579f77SDag-Erling Smørgrav left = total+1; /* one extra for nul at end */ 587b7579f77SDag-Erling Smørgrav r = malloc(left); 588b7579f77SDag-Erling Smørgrav if(!r) 589b7579f77SDag-Erling Smørgrav return NULL; 590b7579f77SDag-Erling Smørgrav w = r; 591b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) { 592b7579f77SDag-Erling Smørgrav size_t this = strlen(s->str); 593b7579f77SDag-Erling Smørgrav if(this+2 > left) { /* sanity check */ 594b7579f77SDag-Erling Smørgrav free(r); 595b7579f77SDag-Erling Smørgrav return NULL; 596b7579f77SDag-Erling Smørgrav } 597b7579f77SDag-Erling Smørgrav snprintf(w, left, "%s\n", s->str); 59817d15b25SDag-Erling Smørgrav this = strlen(w); 59917d15b25SDag-Erling Smørgrav w += this; 60017d15b25SDag-Erling Smørgrav left -= this; 601b7579f77SDag-Erling Smørgrav } 602b7579f77SDag-Erling Smørgrav return r; 603b7579f77SDag-Erling Smørgrav } 604b7579f77SDag-Erling Smørgrav 605b7579f77SDag-Erling Smørgrav /** compare and print decimal option */ 606b7579f77SDag-Erling Smørgrav #define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ 607b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%d", (int)cfg->var); \ 608b7579f77SDag-Erling Smørgrav func(buf, arg);} 609b7579f77SDag-Erling Smørgrav /** compare and print unsigned option */ 610b7579f77SDag-Erling Smørgrav #define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ 611b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%u", (unsigned)cfg->var); \ 612b7579f77SDag-Erling Smørgrav func(buf, arg);} 613b7579f77SDag-Erling Smørgrav /** compare and print yesno option */ 614b7579f77SDag-Erling Smørgrav #define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ 615b7579f77SDag-Erling Smørgrav {func(cfg->var?"yes":"no", arg);} 616b7579f77SDag-Erling Smørgrav /** compare and print string option */ 617b7579f77SDag-Erling Smørgrav #define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ 618b7579f77SDag-Erling Smørgrav {func(cfg->var?cfg->var:"", arg);} 619b7579f77SDag-Erling Smørgrav /** compare and print array option */ 620b7579f77SDag-Erling Smørgrav #define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ 621b7579f77SDag-Erling Smørgrav {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} 622b7579f77SDag-Erling Smørgrav /** compare and print memorysize option */ 623b7579f77SDag-Erling Smørgrav #define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ 624b7579f77SDag-Erling Smørgrav if(cfg->var > 1024*1024*1024) { \ 625b7579f77SDag-Erling Smørgrav size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ 62609a3aaf3SDag-Erling Smørgrav snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ 62709a3aaf3SDag-Erling Smørgrav } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ 628b7579f77SDag-Erling Smørgrav func(buf, arg);} 629b7579f77SDag-Erling Smørgrav /** compare and print list option */ 630b7579f77SDag-Erling Smørgrav #define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ 631b7579f77SDag-Erling Smørgrav struct config_strlist* p = cfg->lst; \ 632b7579f77SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) \ 633b7579f77SDag-Erling Smørgrav func(p->str, arg); \ 634b7579f77SDag-Erling Smørgrav } 635b7579f77SDag-Erling Smørgrav /** compare and print list option */ 636b7579f77SDag-Erling Smørgrav #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ 637b7579f77SDag-Erling Smørgrav struct config_str2list* p = cfg->lst; \ 638*e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) { \ 639*e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, p->str2); \ 640b7579f77SDag-Erling Smørgrav func(buf, arg); \ 641*e2d15004SDag-Erling Smørgrav } \ 642*e2d15004SDag-Erling Smørgrav } 643*e2d15004SDag-Erling Smørgrav /** compare and print taglist option */ 644*e2d15004SDag-Erling Smørgrav #define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ 645*e2d15004SDag-Erling Smørgrav char* tmpstr = NULL; \ 646*e2d15004SDag-Erling Smørgrav struct config_strbytelist *p = cfg->lst; \ 647*e2d15004SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) {\ 648*e2d15004SDag-Erling Smørgrav tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ 649*e2d15004SDag-Erling Smørgrav if(tmpstr) {\ 650*e2d15004SDag-Erling Smørgrav snprintf(buf, len, "%s %s", p->str, tmpstr); \ 651*e2d15004SDag-Erling Smørgrav func(buf, arg); \ 652*e2d15004SDag-Erling Smørgrav free(tmpstr); \ 653*e2d15004SDag-Erling Smørgrav } \ 654*e2d15004SDag-Erling Smørgrav } \ 655b7579f77SDag-Erling Smørgrav } 656b7579f77SDag-Erling Smørgrav 657b7579f77SDag-Erling Smørgrav int 658b7579f77SDag-Erling Smørgrav config_get_option(struct config_file* cfg, const char* opt, 659b7579f77SDag-Erling Smørgrav void (*func)(char*,void*), void* arg) 660b7579f77SDag-Erling Smørgrav { 661b7579f77SDag-Erling Smørgrav char buf[1024]; 662b7579f77SDag-Erling Smørgrav size_t len = sizeof(buf); 663b7579f77SDag-Erling Smørgrav fptr_ok(fptr_whitelist_print_func(func)); 664b7579f77SDag-Erling Smørgrav O_DEC(opt, "verbosity", verbosity) 665b7579f77SDag-Erling Smørgrav else O_DEC(opt, "statistics-interval", stat_interval) 666b7579f77SDag-Erling Smørgrav else O_YNO(opt, "statistics-cumulative", stat_cumulative) 667b7579f77SDag-Erling Smørgrav else O_YNO(opt, "extended-statistics", stat_extended) 668b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-syslog", use_syslog) 66917d15b25SDag-Erling Smørgrav else O_YNO(opt, "log-time-ascii", log_time_ascii) 670b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-threads", num_threads) 671b7579f77SDag-Erling Smørgrav else O_IFC(opt, "interface", num_ifs, ifs) 672b7579f77SDag-Erling Smørgrav else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) 673b7579f77SDag-Erling Smørgrav else O_YNO(opt, "interface-automatic", if_automatic) 674b7579f77SDag-Erling Smørgrav else O_DEC(opt, "port", port) 675b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-range", outgoing_num_ports) 676b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) 677b7579f77SDag-Erling Smørgrav else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) 678b7579f77SDag-Erling Smørgrav else O_DEC(opt, "edns-buffer-size", edns_buffer_size) 679b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-buffer-size", msg_buffer_size) 680b7579f77SDag-Erling Smørgrav else O_MEM(opt, "msg-cache-size", msg_cache_size) 681b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) 682b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) 683b7579f77SDag-Erling Smørgrav else O_UNS(opt, "jostle-timeout", jostle_time) 684b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-rcvbuf", so_rcvbuf) 685b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-sndbuf", so_sndbuf) 68617d15b25SDag-Erling Smørgrav else O_YNO(opt, "so-reuseport", so_reuseport) 68709a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "ip-transparent", ip_transparent) 688*e2d15004SDag-Erling Smørgrav else O_YNO(opt, "ip-freebind", ip_freebind) 689b7579f77SDag-Erling Smørgrav else O_MEM(opt, "rrset-cache-size", rrset_cache_size) 690b7579f77SDag-Erling Smørgrav else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) 691b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch-key", prefetch_key) 692b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch", prefetch) 693b7579f77SDag-Erling Smørgrav else O_DEC(opt, "cache-max-ttl", max_ttl) 69409a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) 69517d15b25SDag-Erling Smørgrav else O_DEC(opt, "cache-min-ttl", min_ttl) 696b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-host-ttl", host_ttl) 697b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) 6986480faa8SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) 699b7579f77SDag-Erling Smørgrav else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) 70017d15b25SDag-Erling Smørgrav else O_UNS(opt, "delay-close", delay_close) 701b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip4", do_ip4) 702b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip6", do_ip6) 703b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-udp", do_udp) 704b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-tcp", do_tcp) 705b7579f77SDag-Erling Smørgrav else O_YNO(opt, "tcp-upstream", tcp_upstream) 706f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "tcp-mss", tcp_mss) 707f61ef7f6SDag-Erling Smørgrav else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) 708b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ssl-upstream", ssl_upstream) 709b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-key", ssl_service_key) 710b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-pem", ssl_service_pem) 711b7579f77SDag-Erling Smørgrav else O_DEC(opt, "ssl-port", ssl_port) 712b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-daemonize", do_daemonize) 713b7579f77SDag-Erling Smørgrav else O_STR(opt, "chroot", chrootdir) 714b7579f77SDag-Erling Smørgrav else O_STR(opt, "username", username) 715b7579f77SDag-Erling Smørgrav else O_STR(opt, "directory", directory) 716b7579f77SDag-Erling Smørgrav else O_STR(opt, "logfile", logfile) 717b7579f77SDag-Erling Smørgrav else O_YNO(opt, "log-queries", log_queries) 718b7579f77SDag-Erling Smørgrav else O_STR(opt, "pidfile", pidfile) 719b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-identity", hide_identity) 720b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-version", hide_version) 721b7579f77SDag-Erling Smørgrav else O_STR(opt, "identity", identity) 722b7579f77SDag-Erling Smørgrav else O_STR(opt, "version", version) 723b7579f77SDag-Erling Smørgrav else O_STR(opt, "target-fetch-policy", target_fetch_policy) 724b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) 725b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-large-queries", harden_large_queries) 726b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-glue", harden_glue) 727b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) 728b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) 729b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-referral-path", harden_referral_path) 73009a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) 731b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) 73209a3aaf3SDag-Erling Smørgrav else O_LST(opt, "caps-whitelist", caps_whitelist) 733b7579f77SDag-Erling Smørgrav else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) 734b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) 735b7579f77SDag-Erling Smørgrav else O_STR(opt, "module-config", module_conf) 736b7579f77SDag-Erling Smørgrav else O_STR(opt, "dlv-anchor-file", dlv_anchor_file) 737b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-bogus-ttl", bogus_ttl) 738b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-clean-additional", val_clean_additional) 739b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-log-level", val_log_level) 740b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-permissive-mode", val_permissive_mode) 741b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ignore-cd-flag", ignore_cd) 742b7579f77SDag-Erling Smørgrav else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) 743b7579f77SDag-Erling Smørgrav else O_UNS(opt, "add-holddown", add_holddown) 744b7579f77SDag-Erling Smørgrav else O_UNS(opt, "del-holddown", del_holddown) 745b7579f77SDag-Erling Smørgrav else O_UNS(opt, "keep-missing", keep_missing) 746b75612f8SDag-Erling Smørgrav else O_YNO(opt, "permit-small-holddown", permit_small_holddown) 747b7579f77SDag-Erling Smørgrav else O_MEM(opt, "key-cache-size", key_cache_size) 748b7579f77SDag-Erling Smørgrav else O_DEC(opt, "key-cache-slabs", key_cache_slabs) 749b7579f77SDag-Erling Smørgrav else O_MEM(opt, "neg-cache-size", neg_cache_size) 750b7579f77SDag-Erling Smørgrav else O_YNO(opt, "control-enable", remote_control_enable) 751b7579f77SDag-Erling Smørgrav else O_DEC(opt, "control-port", control_port) 752b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-key-file", server_key_file) 753b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-cert-file", server_cert_file) 754b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-key-file", control_key_file) 755b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-cert-file", control_cert_file) 756b7579f77SDag-Erling Smørgrav else O_LST(opt, "root-hints", root_hints) 757b7579f77SDag-Erling Smørgrav else O_LS2(opt, "access-control", acls) 758b7579f77SDag-Erling Smørgrav else O_LST(opt, "do-not-query-address", donotqueryaddrs) 759b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-address", private_address) 760b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-domain", private_domain) 761b7579f77SDag-Erling Smørgrav else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) 762b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) 763b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor", trust_anchor_list) 764b7579f77SDag-Erling Smørgrav else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) 765b7579f77SDag-Erling Smørgrav else O_LST(opt, "dlv-anchor", dlv_anchor_list) 766b7579f77SDag-Erling Smørgrav else O_LST(opt, "control-interface", control_ifs) 767b7579f77SDag-Erling Smørgrav else O_LST(opt, "domain-insecure", domain_insecure) 768b7579f77SDag-Erling Smørgrav else O_UNS(opt, "val-override-date", val_date_override) 769b7579f77SDag-Erling Smørgrav else O_YNO(opt, "minimal-responses", minimal_responses) 770b7579f77SDag-Erling Smørgrav else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) 771c536e4dcSDag-Erling Smørgrav else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) 7720de4f1bfSDag-Erling Smørgrav else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) 77317d15b25SDag-Erling Smørgrav else O_DEC(opt, "max-udp-size", max_udp_size) 77417d15b25SDag-Erling Smørgrav else O_STR(opt, "python-script", python_script) 775*e2d15004SDag-Erling Smørgrav else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) 77609a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit", ratelimit) 77709a3aaf3SDag-Erling Smørgrav else O_MEM(opt, "ratelimit-size", ratelimit_size) 77809a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) 77909a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) 78009a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) 78109a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-factor", ratelimit_factor) 78217d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) 78317d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) 78405ab2901SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation", qname_minimisation) 785*e2d15004SDag-Erling Smørgrav else O_IFC(opt, "define-tag", num_tags, tagname) 786*e2d15004SDag-Erling Smørgrav else O_LTG(opt, "local-zone-tag", local_zone_tags) 787b7579f77SDag-Erling Smørgrav /* not here: 788b7579f77SDag-Erling Smørgrav * outgoing-permit, outgoing-avoid - have list of ports 789b7579f77SDag-Erling Smørgrav * local-zone - zones and nodefault variables 790b7579f77SDag-Erling Smørgrav * local-data - see below 791b7579f77SDag-Erling Smørgrav * local-data-ptr - converted to local-data entries 792b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 793b7579f77SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host 794b7579f77SDag-Erling Smørgrav */ 795b7579f77SDag-Erling Smørgrav else return 0; 796b7579f77SDag-Erling Smørgrav return 1; 797b7579f77SDag-Erling Smørgrav } 798b7579f77SDag-Erling Smørgrav 799b7579f77SDag-Erling Smørgrav /** initialize the global cfg_parser object */ 800b7579f77SDag-Erling Smørgrav static void 801b7579f77SDag-Erling Smørgrav create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) 802b7579f77SDag-Erling Smørgrav { 803b7579f77SDag-Erling Smørgrav static struct config_parser_state st; 804b7579f77SDag-Erling Smørgrav cfg_parser = &st; 805b7579f77SDag-Erling Smørgrav cfg_parser->filename = filename; 806b7579f77SDag-Erling Smørgrav cfg_parser->line = 1; 807b7579f77SDag-Erling Smørgrav cfg_parser->errors = 0; 808b7579f77SDag-Erling Smørgrav cfg_parser->cfg = cfg; 809b7579f77SDag-Erling Smørgrav cfg_parser->chroot = chroot; 81017d15b25SDag-Erling Smørgrav init_cfg_parse(); 811b7579f77SDag-Erling Smørgrav } 812b7579f77SDag-Erling Smørgrav 813b7579f77SDag-Erling Smørgrav int 814b7579f77SDag-Erling Smørgrav config_read(struct config_file* cfg, const char* filename, const char* chroot) 815b7579f77SDag-Erling Smørgrav { 816b7579f77SDag-Erling Smørgrav FILE *in; 817b7579f77SDag-Erling Smørgrav char *fname = (char*)filename; 8188ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 8198ed2b524SDag-Erling Smørgrav glob_t g; 8208ed2b524SDag-Erling Smørgrav size_t i; 8218ed2b524SDag-Erling Smørgrav int r, flags; 8228ed2b524SDag-Erling Smørgrav #endif 823b7579f77SDag-Erling Smørgrav if(!fname) 824b7579f77SDag-Erling Smørgrav return 1; 8258ed2b524SDag-Erling Smørgrav 8268ed2b524SDag-Erling Smørgrav /* check for wildcards */ 8278ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 8288ed2b524SDag-Erling Smørgrav if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && 8298ed2b524SDag-Erling Smørgrav !strchr(fname, '{') && !strchr(fname, '~'))) { 8308ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "wildcard found, processing %s", fname); 8318ed2b524SDag-Erling Smørgrav flags = 0 8328ed2b524SDag-Erling Smørgrav #ifdef GLOB_ERR 8338ed2b524SDag-Erling Smørgrav | GLOB_ERR 8348ed2b524SDag-Erling Smørgrav #endif 8358ed2b524SDag-Erling Smørgrav #ifdef GLOB_NOSORT 8368ed2b524SDag-Erling Smørgrav | GLOB_NOSORT 8378ed2b524SDag-Erling Smørgrav #endif 8388ed2b524SDag-Erling Smørgrav #ifdef GLOB_BRACE 8398ed2b524SDag-Erling Smørgrav | GLOB_BRACE 8408ed2b524SDag-Erling Smørgrav #endif 8418ed2b524SDag-Erling Smørgrav #ifdef GLOB_TILDE 8428ed2b524SDag-Erling Smørgrav | GLOB_TILDE 8438ed2b524SDag-Erling Smørgrav #endif 8448ed2b524SDag-Erling Smørgrav ; 8458ed2b524SDag-Erling Smørgrav memset(&g, 0, sizeof(g)); 8468ed2b524SDag-Erling Smørgrav r = glob(fname, flags, NULL, &g); 8478ed2b524SDag-Erling Smørgrav if(r) { 8488ed2b524SDag-Erling Smørgrav /* some error */ 8498ed2b524SDag-Erling Smørgrav globfree(&g); 8508ed2b524SDag-Erling Smørgrav if(r == GLOB_NOMATCH) { 8518ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "include: " 8528ed2b524SDag-Erling Smørgrav "no matches for %s", fname); 8538ed2b524SDag-Erling Smørgrav return 1; 8548ed2b524SDag-Erling Smørgrav } else if(r == GLOB_NOSPACE) { 8558ed2b524SDag-Erling Smørgrav log_err("include: %s: " 8568ed2b524SDag-Erling Smørgrav "fnametern out of memory", fname); 8578ed2b524SDag-Erling Smørgrav } else if(r == GLOB_ABORTED) { 8588ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8598ed2b524SDag-Erling Smørgrav "aborted (%s)", fname, strerror(errno)); 8608ed2b524SDag-Erling Smørgrav } else { 8618ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8628ed2b524SDag-Erling Smørgrav "failed (%s)", fname, strerror(errno)); 8638ed2b524SDag-Erling Smørgrav } 8648ed2b524SDag-Erling Smørgrav /* ignore globs that yield no files */ 8658ed2b524SDag-Erling Smørgrav return 1; 8668ed2b524SDag-Erling Smørgrav } 8678ed2b524SDag-Erling Smørgrav /* process files found, if any */ 8688ed2b524SDag-Erling Smørgrav for(i=0; i<(size_t)g.gl_pathc; i++) { 8698ed2b524SDag-Erling Smørgrav if(!config_read(cfg, g.gl_pathv[i], chroot)) { 8708ed2b524SDag-Erling Smørgrav log_err("error reading wildcard " 8718ed2b524SDag-Erling Smørgrav "include: %s", g.gl_pathv[i]); 8728ed2b524SDag-Erling Smørgrav globfree(&g); 8738ed2b524SDag-Erling Smørgrav return 0; 8748ed2b524SDag-Erling Smørgrav } 8758ed2b524SDag-Erling Smørgrav } 8768ed2b524SDag-Erling Smørgrav globfree(&g); 8778ed2b524SDag-Erling Smørgrav return 1; 8788ed2b524SDag-Erling Smørgrav } 8798ed2b524SDag-Erling Smørgrav #endif /* HAVE_GLOB */ 8808ed2b524SDag-Erling Smørgrav 881b7579f77SDag-Erling Smørgrav in = fopen(fname, "r"); 882b7579f77SDag-Erling Smørgrav if(!in) { 883b7579f77SDag-Erling Smørgrav log_err("Could not open %s: %s", fname, strerror(errno)); 884b7579f77SDag-Erling Smørgrav return 0; 885b7579f77SDag-Erling Smørgrav } 886b7579f77SDag-Erling Smørgrav create_cfg_parser(cfg, fname, chroot); 887b7579f77SDag-Erling Smørgrav ub_c_in = in; 888b7579f77SDag-Erling Smørgrav ub_c_parse(); 889b7579f77SDag-Erling Smørgrav fclose(in); 890b7579f77SDag-Erling Smørgrav 891b7579f77SDag-Erling Smørgrav if(cfg_parser->errors != 0) { 892b7579f77SDag-Erling Smørgrav fprintf(stderr, "read %s failed: %d errors in configuration file\n", 893ff825849SDag-Erling Smørgrav fname, cfg_parser->errors); 894b7579f77SDag-Erling Smørgrav errno=EINVAL; 895b7579f77SDag-Erling Smørgrav return 0; 896b7579f77SDag-Erling Smørgrav } 89731099b50SDag-Erling Smørgrav 898b7579f77SDag-Erling Smørgrav return 1; 899b7579f77SDag-Erling Smørgrav } 900b7579f77SDag-Erling Smørgrav 901f61ef7f6SDag-Erling Smørgrav struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) 902f61ef7f6SDag-Erling Smørgrav { 903f61ef7f6SDag-Erling Smørgrav struct config_stub* p = *(*pp); 904f61ef7f6SDag-Erling Smørgrav while(p) { 905f61ef7f6SDag-Erling Smørgrav if(strcmp(p->name, nm) == 0) 906f61ef7f6SDag-Erling Smørgrav return p; 907f61ef7f6SDag-Erling Smørgrav (*pp) = &p->next; 908f61ef7f6SDag-Erling Smørgrav p = p->next; 909f61ef7f6SDag-Erling Smørgrav } 910f61ef7f6SDag-Erling Smørgrav return NULL; 911f61ef7f6SDag-Erling Smørgrav } 912f61ef7f6SDag-Erling Smørgrav 913b7579f77SDag-Erling Smørgrav void 914b7579f77SDag-Erling Smørgrav config_delstrlist(struct config_strlist* p) 915b7579f77SDag-Erling Smørgrav { 916b7579f77SDag-Erling Smørgrav struct config_strlist *np; 917b7579f77SDag-Erling Smørgrav while(p) { 918b7579f77SDag-Erling Smørgrav np = p->next; 919b7579f77SDag-Erling Smørgrav free(p->str); 920b7579f77SDag-Erling Smørgrav free(p); 921b7579f77SDag-Erling Smørgrav p = np; 922b7579f77SDag-Erling Smørgrav } 923b7579f77SDag-Erling Smørgrav } 924b7579f77SDag-Erling Smørgrav 925b7579f77SDag-Erling Smørgrav void 926b7579f77SDag-Erling Smørgrav config_deldblstrlist(struct config_str2list* p) 927b7579f77SDag-Erling Smørgrav { 928b7579f77SDag-Erling Smørgrav struct config_str2list *np; 929b7579f77SDag-Erling Smørgrav while(p) { 930b7579f77SDag-Erling Smørgrav np = p->next; 931b7579f77SDag-Erling Smørgrav free(p->str); 932b7579f77SDag-Erling Smørgrav free(p->str2); 933b7579f77SDag-Erling Smørgrav free(p); 934b7579f77SDag-Erling Smørgrav p = np; 935b7579f77SDag-Erling Smørgrav } 936b7579f77SDag-Erling Smørgrav } 937b7579f77SDag-Erling Smørgrav 938b7579f77SDag-Erling Smørgrav void 939f61ef7f6SDag-Erling Smørgrav config_delstub(struct config_stub* p) 940f61ef7f6SDag-Erling Smørgrav { 941f61ef7f6SDag-Erling Smørgrav if(!p) return; 942f61ef7f6SDag-Erling Smørgrav free(p->name); 943f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->hosts); 944f61ef7f6SDag-Erling Smørgrav config_delstrlist(p->addrs); 945f61ef7f6SDag-Erling Smørgrav free(p); 946f61ef7f6SDag-Erling Smørgrav } 947f61ef7f6SDag-Erling Smørgrav 948f61ef7f6SDag-Erling Smørgrav void 949b7579f77SDag-Erling Smørgrav config_delstubs(struct config_stub* p) 950b7579f77SDag-Erling Smørgrav { 951b7579f77SDag-Erling Smørgrav struct config_stub* np; 952b7579f77SDag-Erling Smørgrav while(p) { 953b7579f77SDag-Erling Smørgrav np = p->next; 954f61ef7f6SDag-Erling Smørgrav config_delstub(p); 955b7579f77SDag-Erling Smørgrav p = np; 956b7579f77SDag-Erling Smørgrav } 957b7579f77SDag-Erling Smørgrav } 958b7579f77SDag-Erling Smørgrav 959*e2d15004SDag-Erling Smørgrav /** delete string array */ 960*e2d15004SDag-Erling Smørgrav static void 961*e2d15004SDag-Erling Smørgrav config_del_strarray(char** array, int num) 962*e2d15004SDag-Erling Smørgrav { 963*e2d15004SDag-Erling Smørgrav int i; 964*e2d15004SDag-Erling Smørgrav if(!array) 965*e2d15004SDag-Erling Smørgrav return; 966*e2d15004SDag-Erling Smørgrav for(i=0; i<num; i++) { 967*e2d15004SDag-Erling Smørgrav free(array[i]); 968*e2d15004SDag-Erling Smørgrav } 969*e2d15004SDag-Erling Smørgrav free(array); 970*e2d15004SDag-Erling Smørgrav } 971*e2d15004SDag-Erling Smørgrav 972*e2d15004SDag-Erling Smørgrav /** delete stringbytelist */ 973*e2d15004SDag-Erling Smørgrav static void 974*e2d15004SDag-Erling Smørgrav config_del_strbytelist(struct config_strbytelist* p) 975*e2d15004SDag-Erling Smørgrav { 976*e2d15004SDag-Erling Smørgrav struct config_strbytelist* np; 977*e2d15004SDag-Erling Smørgrav while(p) { 978*e2d15004SDag-Erling Smørgrav np = p->next; 979*e2d15004SDag-Erling Smørgrav free(p->str); 980*e2d15004SDag-Erling Smørgrav free(p->str2); 981*e2d15004SDag-Erling Smørgrav free(p); 982*e2d15004SDag-Erling Smørgrav p = np; 983*e2d15004SDag-Erling Smørgrav } 984*e2d15004SDag-Erling Smørgrav } 985*e2d15004SDag-Erling Smørgrav 986b7579f77SDag-Erling Smørgrav void 987b7579f77SDag-Erling Smørgrav config_delete(struct config_file* cfg) 988b7579f77SDag-Erling Smørgrav { 989b7579f77SDag-Erling Smørgrav if(!cfg) return; 990b7579f77SDag-Erling Smørgrav free(cfg->username); 991b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 992b7579f77SDag-Erling Smørgrav free(cfg->directory); 993b7579f77SDag-Erling Smørgrav free(cfg->logfile); 994b7579f77SDag-Erling Smørgrav free(cfg->pidfile); 995b7579f77SDag-Erling Smørgrav free(cfg->target_fetch_policy); 996b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_key); 997b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_pem); 998*e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->ifs, cfg->num_ifs); 999*e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); 1000b7579f77SDag-Erling Smørgrav config_delstubs(cfg->stubs); 1001b7579f77SDag-Erling Smørgrav config_delstubs(cfg->forwards); 1002b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->donotqueryaddrs); 1003b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->root_hints); 1004b7579f77SDag-Erling Smørgrav free(cfg->identity); 1005b7579f77SDag-Erling Smørgrav free(cfg->version); 1006b7579f77SDag-Erling Smørgrav free(cfg->module_conf); 1007b7579f77SDag-Erling Smørgrav free(cfg->outgoing_avail_ports); 100809a3aaf3SDag-Erling Smørgrav config_delstrlist(cfg->caps_whitelist); 1009b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_address); 1010b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_domain); 1011b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->auto_trust_anchor_file_list); 1012b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_file_list); 1013b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trusted_keys_file_list); 1014b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_list); 1015b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->domain_insecure); 1016b7579f77SDag-Erling Smørgrav free(cfg->dlv_anchor_file); 1017b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->dlv_anchor_list); 1018b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->acls); 1019b7579f77SDag-Erling Smørgrav free(cfg->val_nsec3_key_iterations); 1020b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->local_zones); 1021b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_zones_nodefault); 1022b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_data); 1023*e2d15004SDag-Erling Smørgrav config_del_strarray(cfg->tagname, cfg->num_tags); 1024*e2d15004SDag-Erling Smørgrav config_del_strbytelist(cfg->local_zone_tags); 1025b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->control_ifs); 1026b7579f77SDag-Erling Smørgrav free(cfg->server_key_file); 1027b7579f77SDag-Erling Smørgrav free(cfg->server_cert_file); 1028b7579f77SDag-Erling Smørgrav free(cfg->control_key_file); 1029b7579f77SDag-Erling Smørgrav free(cfg->control_cert_file); 103009a3aaf3SDag-Erling Smørgrav free(cfg->dns64_prefix); 1031ff825849SDag-Erling Smørgrav free(cfg->dnstap_socket_path); 1032ff825849SDag-Erling Smørgrav free(cfg->dnstap_identity); 1033ff825849SDag-Erling Smørgrav free(cfg->dnstap_version); 103409a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_for_domain); 103509a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_below_domain); 1036b7579f77SDag-Erling Smørgrav free(cfg); 1037b7579f77SDag-Erling Smørgrav } 1038b7579f77SDag-Erling Smørgrav 1039b7579f77SDag-Erling Smørgrav static void 1040b7579f77SDag-Erling Smørgrav init_outgoing_availports(int* a, int num) 1041b7579f77SDag-Erling Smørgrav { 1042b7579f77SDag-Erling Smørgrav /* generated with make iana_update */ 1043b7579f77SDag-Erling Smørgrav const int iana_assigned[] = { 1044b7579f77SDag-Erling Smørgrav #include "util/iana_ports.inc" 1045b7579f77SDag-Erling Smørgrav -1 }; /* end marker to put behind trailing comma */ 1046b7579f77SDag-Erling Smørgrav 1047b7579f77SDag-Erling Smørgrav int i; 1048b7579f77SDag-Erling Smørgrav /* do not use <1024, that could be trouble with the system, privs */ 1049b7579f77SDag-Erling Smørgrav for(i=1024; i<num; i++) { 1050b7579f77SDag-Erling Smørgrav a[i] = i; 1051b7579f77SDag-Erling Smørgrav } 1052b7579f77SDag-Erling Smørgrav /* create empty spot at 49152 to keep ephemeral ports available 1053b7579f77SDag-Erling Smørgrav * to other programs */ 1054b7579f77SDag-Erling Smørgrav for(i=49152; i<49152+256; i++) 1055b7579f77SDag-Erling Smørgrav a[i] = 0; 1056b7579f77SDag-Erling Smørgrav /* pick out all the IANA assigned ports */ 1057b7579f77SDag-Erling Smørgrav for(i=0; iana_assigned[i]!=-1; i++) { 1058b7579f77SDag-Erling Smørgrav if(iana_assigned[i] < num) 1059b7579f77SDag-Erling Smørgrav a[iana_assigned[i]] = 0; 1060b7579f77SDag-Erling Smørgrav } 1061b7579f77SDag-Erling Smørgrav } 1062b7579f77SDag-Erling Smørgrav 1063b7579f77SDag-Erling Smørgrav int 1064b7579f77SDag-Erling Smørgrav cfg_mark_ports(const char* str, int allow, int* avail, int num) 1065b7579f77SDag-Erling Smørgrav { 1066b7579f77SDag-Erling Smørgrav char* mid = strchr(str, '-'); 1067b7579f77SDag-Erling Smørgrav if(!mid) { 1068b7579f77SDag-Erling Smørgrav int port = atoi(str); 1069b7579f77SDag-Erling Smørgrav if(port == 0 && strcmp(str, "0") != 0) { 1070b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1071b7579f77SDag-Erling Smørgrav return 0; 1072b7579f77SDag-Erling Smørgrav } 1073b7579f77SDag-Erling Smørgrav if(port < num) 1074b7579f77SDag-Erling Smørgrav avail[port] = (allow?port:0); 1075b7579f77SDag-Erling Smørgrav } else { 1076b7579f77SDag-Erling Smørgrav int i, low, high = atoi(mid+1); 1077b7579f77SDag-Erling Smørgrav char buf[16]; 1078b7579f77SDag-Erling Smørgrav if(high == 0 && strcmp(mid+1, "0") != 0) { 1079b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", mid+1); 1080b7579f77SDag-Erling Smørgrav return 0; 1081b7579f77SDag-Erling Smørgrav } 1082b7579f77SDag-Erling Smørgrav if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { 1083b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1084b7579f77SDag-Erling Smørgrav return 0; 1085b7579f77SDag-Erling Smørgrav } 1086b7579f77SDag-Erling Smørgrav if(mid > str) 1087b7579f77SDag-Erling Smørgrav memcpy(buf, str, (size_t)(mid-str)); 1088b7579f77SDag-Erling Smørgrav buf[mid-str] = 0; 1089b7579f77SDag-Erling Smørgrav low = atoi(buf); 1090b7579f77SDag-Erling Smørgrav if(low == 0 && strcmp(buf, "0") != 0) { 1091b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", buf); 1092b7579f77SDag-Erling Smørgrav return 0; 1093b7579f77SDag-Erling Smørgrav } 1094b7579f77SDag-Erling Smørgrav for(i=low; i<=high; i++) { 1095b7579f77SDag-Erling Smørgrav if(i < num) 1096b7579f77SDag-Erling Smørgrav avail[i] = (allow?i:0); 1097b7579f77SDag-Erling Smørgrav } 1098b7579f77SDag-Erling Smørgrav return 1; 1099b7579f77SDag-Erling Smørgrav } 1100b7579f77SDag-Erling Smørgrav return 1; 1101b7579f77SDag-Erling Smørgrav } 1102b7579f77SDag-Erling Smørgrav 1103b7579f77SDag-Erling Smørgrav int 1104b7579f77SDag-Erling Smørgrav cfg_scan_ports(int* avail, int num) 1105b7579f77SDag-Erling Smørgrav { 1106b7579f77SDag-Erling Smørgrav int i; 1107b7579f77SDag-Erling Smørgrav int count = 0; 1108b7579f77SDag-Erling Smørgrav for(i=0; i<num; i++) { 1109b7579f77SDag-Erling Smørgrav if(avail[i]) 1110b7579f77SDag-Erling Smørgrav count++; 1111b7579f77SDag-Erling Smørgrav } 1112b7579f77SDag-Erling Smørgrav return count; 1113b7579f77SDag-Erling Smørgrav } 1114b7579f77SDag-Erling Smørgrav 1115b7579f77SDag-Erling Smørgrav int cfg_condense_ports(struct config_file* cfg, int** avail) 1116b7579f77SDag-Erling Smørgrav { 1117b7579f77SDag-Erling Smørgrav int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); 1118b7579f77SDag-Erling Smørgrav int i, at = 0; 1119b7579f77SDag-Erling Smørgrav *avail = NULL; 1120b7579f77SDag-Erling Smørgrav if(num == 0) 1121b7579f77SDag-Erling Smørgrav return 0; 112209a3aaf3SDag-Erling Smørgrav *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); 1123b7579f77SDag-Erling Smørgrav if(!*avail) 1124b7579f77SDag-Erling Smørgrav return 0; 1125b7579f77SDag-Erling Smørgrav for(i=0; i<65536; i++) { 1126b7579f77SDag-Erling Smørgrav if(cfg->outgoing_avail_ports[i]) 1127b7579f77SDag-Erling Smørgrav (*avail)[at++] = cfg->outgoing_avail_ports[i]; 1128b7579f77SDag-Erling Smørgrav } 1129b7579f77SDag-Erling Smørgrav log_assert(at == num); 1130b7579f77SDag-Erling Smørgrav return num; 1131b7579f77SDag-Erling Smørgrav } 1132b7579f77SDag-Erling Smørgrav 1133b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1134b7579f77SDag-Erling Smørgrav static void ub_c_error_va_list(const char *fmt, va_list args) 1135b7579f77SDag-Erling Smørgrav { 1136b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1137b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, 1138b7579f77SDag-Erling Smørgrav cfg_parser->line); 1139b7579f77SDag-Erling Smørgrav vfprintf(stderr, fmt, args); 1140b7579f77SDag-Erling Smørgrav fprintf(stderr, "\n"); 1141b7579f77SDag-Erling Smørgrav } 1142b7579f77SDag-Erling Smørgrav 1143b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1144b7579f77SDag-Erling Smørgrav void ub_c_error_msg(const char* fmt, ...) 1145b7579f77SDag-Erling Smørgrav { 1146b7579f77SDag-Erling Smørgrav va_list args; 1147b7579f77SDag-Erling Smørgrav va_start(args, fmt); 1148b7579f77SDag-Erling Smørgrav ub_c_error_va_list(fmt, args); 1149b7579f77SDag-Erling Smørgrav va_end(args); 1150b7579f77SDag-Erling Smørgrav } 1151b7579f77SDag-Erling Smørgrav 1152b7579f77SDag-Erling Smørgrav void ub_c_error(const char *str) 1153b7579f77SDag-Erling Smørgrav { 1154b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1155b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, 1156b7579f77SDag-Erling Smørgrav cfg_parser->line, str); 1157b7579f77SDag-Erling Smørgrav } 1158b7579f77SDag-Erling Smørgrav 1159b7579f77SDag-Erling Smørgrav int ub_c_wrap(void) 1160b7579f77SDag-Erling Smørgrav { 1161b7579f77SDag-Erling Smørgrav return 1; 1162b7579f77SDag-Erling Smørgrav } 1163b7579f77SDag-Erling Smørgrav 1164b7579f77SDag-Erling Smørgrav int cfg_strlist_append(struct config_strlist_head* list, char* item) 1165b7579f77SDag-Erling Smørgrav { 1166b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1167b7579f77SDag-Erling Smørgrav if(!item || !list) 1168b7579f77SDag-Erling Smørgrav return 0; 1169b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1170b7579f77SDag-Erling Smørgrav if(!s) 1171b7579f77SDag-Erling Smørgrav return 0; 1172b7579f77SDag-Erling Smørgrav s->str = item; 1173b7579f77SDag-Erling Smørgrav s->next = NULL; 1174b7579f77SDag-Erling Smørgrav if(list->last) 1175b7579f77SDag-Erling Smørgrav list->last->next = s; 1176b7579f77SDag-Erling Smørgrav else 1177b7579f77SDag-Erling Smørgrav list->first = s; 1178b7579f77SDag-Erling Smørgrav list->last = s; 1179b7579f77SDag-Erling Smørgrav return 1; 1180b7579f77SDag-Erling Smørgrav } 1181b7579f77SDag-Erling Smørgrav 1182b7579f77SDag-Erling Smørgrav int 1183b7579f77SDag-Erling Smørgrav cfg_strlist_insert(struct config_strlist** head, char* item) 1184b7579f77SDag-Erling Smørgrav { 1185b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1186b7579f77SDag-Erling Smørgrav if(!item || !head) 1187b7579f77SDag-Erling Smørgrav return 0; 1188b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1189b7579f77SDag-Erling Smørgrav if(!s) 1190b7579f77SDag-Erling Smørgrav return 0; 1191b7579f77SDag-Erling Smørgrav s->str = item; 1192b7579f77SDag-Erling Smørgrav s->next = *head; 1193b7579f77SDag-Erling Smørgrav *head = s; 1194b7579f77SDag-Erling Smørgrav return 1; 1195b7579f77SDag-Erling Smørgrav } 1196b7579f77SDag-Erling Smørgrav 1197b7579f77SDag-Erling Smørgrav int 1198b7579f77SDag-Erling Smørgrav cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) 1199b7579f77SDag-Erling Smørgrav { 1200b7579f77SDag-Erling Smørgrav struct config_str2list *s; 1201b7579f77SDag-Erling Smørgrav if(!item || !i2 || !head) 1202b7579f77SDag-Erling Smørgrav return 0; 1203b7579f77SDag-Erling Smørgrav s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); 1204b7579f77SDag-Erling Smørgrav if(!s) 1205b7579f77SDag-Erling Smørgrav return 0; 1206b7579f77SDag-Erling Smørgrav s->str = item; 1207b7579f77SDag-Erling Smørgrav s->str2 = i2; 1208b7579f77SDag-Erling Smørgrav s->next = *head; 1209b7579f77SDag-Erling Smørgrav *head = s; 1210b7579f77SDag-Erling Smørgrav return 1; 1211b7579f77SDag-Erling Smørgrav } 1212b7579f77SDag-Erling Smørgrav 1213*e2d15004SDag-Erling Smørgrav int 1214*e2d15004SDag-Erling Smørgrav cfg_strbytelist_insert(struct config_strbytelist** head, char* item, 1215*e2d15004SDag-Erling Smørgrav uint8_t* i2, size_t i2len) 1216*e2d15004SDag-Erling Smørgrav { 1217*e2d15004SDag-Erling Smørgrav struct config_strbytelist* s; 1218*e2d15004SDag-Erling Smørgrav if(!item || !i2 || !head) 1219*e2d15004SDag-Erling Smørgrav return 0; 1220*e2d15004SDag-Erling Smørgrav s = (struct config_strbytelist*)calloc(1, sizeof(*s)); 1221*e2d15004SDag-Erling Smørgrav if(!s) 1222*e2d15004SDag-Erling Smørgrav return 0; 1223*e2d15004SDag-Erling Smørgrav s->str = item; 1224*e2d15004SDag-Erling Smørgrav s->str2 = i2; 1225*e2d15004SDag-Erling Smørgrav s->str2len = i2len; 1226*e2d15004SDag-Erling Smørgrav s->next = *head; 1227*e2d15004SDag-Erling Smørgrav *head = s; 1228*e2d15004SDag-Erling Smørgrav return 1; 1229*e2d15004SDag-Erling Smørgrav } 1230*e2d15004SDag-Erling Smørgrav 123117d15b25SDag-Erling Smørgrav time_t 1232b7579f77SDag-Erling Smørgrav cfg_convert_timeval(const char* str) 1233b7579f77SDag-Erling Smørgrav { 123417d15b25SDag-Erling Smørgrav time_t t; 1235b7579f77SDag-Erling Smørgrav struct tm tm; 1236b7579f77SDag-Erling Smørgrav memset(&tm, 0, sizeof(tm)); 1237b7579f77SDag-Erling Smørgrav if(strlen(str) < 14) 1238b7579f77SDag-Erling Smørgrav return 0; 1239b7579f77SDag-Erling Smørgrav if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, 1240b7579f77SDag-Erling Smørgrav &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) 1241b7579f77SDag-Erling Smørgrav return 0; 1242b7579f77SDag-Erling Smørgrav tm.tm_year -= 1900; 1243b7579f77SDag-Erling Smørgrav tm.tm_mon--; 1244b7579f77SDag-Erling Smørgrav /* Check values */ 1245b7579f77SDag-Erling Smørgrav if (tm.tm_year < 70) return 0; 1246b7579f77SDag-Erling Smørgrav if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; 1247b7579f77SDag-Erling Smørgrav if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; 1248b7579f77SDag-Erling Smørgrav if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; 1249b7579f77SDag-Erling Smørgrav if (tm.tm_min < 0 || tm.tm_min > 59) return 0; 1250b7579f77SDag-Erling Smørgrav if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; 1251b7579f77SDag-Erling Smørgrav /* call ldns conversion function */ 125217d15b25SDag-Erling Smørgrav t = sldns_mktime_from_utc(&tm); 1253b7579f77SDag-Erling Smørgrav return t; 1254b7579f77SDag-Erling Smørgrav } 1255b7579f77SDag-Erling Smørgrav 1256b7579f77SDag-Erling Smørgrav int 1257b7579f77SDag-Erling Smørgrav cfg_count_numbers(const char* s) 1258b7579f77SDag-Erling Smørgrav { 1259b7579f77SDag-Erling Smørgrav /* format ::= (sp num)+ sp */ 1260b7579f77SDag-Erling Smørgrav /* num ::= [-](0-9)+ */ 1261b7579f77SDag-Erling Smørgrav /* sp ::= (space|tab)* */ 1262b7579f77SDag-Erling Smørgrav int num = 0; 1263b7579f77SDag-Erling Smørgrav while(*s) { 1264ff825849SDag-Erling Smørgrav while(*s && isspace((unsigned char)*s)) 1265b7579f77SDag-Erling Smørgrav s++; 1266b7579f77SDag-Erling Smørgrav if(!*s) /* end of string */ 1267b7579f77SDag-Erling Smørgrav break; 1268b7579f77SDag-Erling Smørgrav if(*s == '-') 1269b7579f77SDag-Erling Smørgrav s++; 1270b7579f77SDag-Erling Smørgrav if(!*s) /* only - not allowed */ 1271b7579f77SDag-Erling Smørgrav return 0; 1272ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)*s)) /* bad character */ 1273b7579f77SDag-Erling Smørgrav return 0; 1274ff825849SDag-Erling Smørgrav while(*s && isdigit((unsigned char)*s)) 1275b7579f77SDag-Erling Smørgrav s++; 1276b7579f77SDag-Erling Smørgrav num++; 1277b7579f77SDag-Erling Smørgrav } 1278b7579f77SDag-Erling Smørgrav return num; 1279b7579f77SDag-Erling Smørgrav } 1280b7579f77SDag-Erling Smørgrav 1281b7579f77SDag-Erling Smørgrav /** all digit number */ 1282b7579f77SDag-Erling Smørgrav static int isalldigit(const char* str, size_t l) 1283b7579f77SDag-Erling Smørgrav { 1284b7579f77SDag-Erling Smørgrav size_t i; 1285b7579f77SDag-Erling Smørgrav for(i=0; i<l; i++) 1286ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)str[i])) 1287b7579f77SDag-Erling Smørgrav return 0; 1288b7579f77SDag-Erling Smørgrav return 1; 1289b7579f77SDag-Erling Smørgrav } 1290b7579f77SDag-Erling Smørgrav 1291b7579f77SDag-Erling Smørgrav int 1292b7579f77SDag-Erling Smørgrav cfg_parse_memsize(const char* str, size_t* res) 1293b7579f77SDag-Erling Smørgrav { 12948ed2b524SDag-Erling Smørgrav size_t len; 1295b7579f77SDag-Erling Smørgrav size_t mult = 1; 12968ed2b524SDag-Erling Smørgrav if(!str || (len=(size_t)strlen(str)) == 0) { 1297b7579f77SDag-Erling Smørgrav log_err("not a size: '%s'", str); 1298b7579f77SDag-Erling Smørgrav return 0; 1299b7579f77SDag-Erling Smørgrav } 1300b7579f77SDag-Erling Smørgrav if(isalldigit(str, len)) { 1301b7579f77SDag-Erling Smørgrav *res = (size_t)atol(str); 1302b7579f77SDag-Erling Smørgrav return 1; 1303b7579f77SDag-Erling Smørgrav } 1304b7579f77SDag-Erling Smørgrav /* check appended num */ 1305b7579f77SDag-Erling Smørgrav while(len>0 && str[len-1]==' ') 1306b7579f77SDag-Erling Smørgrav len--; 1307b7579f77SDag-Erling Smørgrav if(len > 1 && str[len-1] == 'b') 1308b7579f77SDag-Erling Smørgrav len--; 1309b7579f77SDag-Erling Smørgrav else if(len > 1 && str[len-1] == 'B') 1310b7579f77SDag-Erling Smørgrav len--; 1311b7579f77SDag-Erling Smørgrav 1312ff825849SDag-Erling Smørgrav if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') 1313b7579f77SDag-Erling Smørgrav mult = 1024*1024*1024; 1314ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') 1315b7579f77SDag-Erling Smørgrav mult = 1024*1024; 1316ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') 1317b7579f77SDag-Erling Smørgrav mult = 1024; 1318ff825849SDag-Erling Smørgrav else if(len > 0 && isdigit((unsigned char)str[len-1])) 1319b7579f77SDag-Erling Smørgrav mult = 1; 1320b7579f77SDag-Erling Smørgrav else { 1321b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1322b7579f77SDag-Erling Smørgrav return 0; 1323b7579f77SDag-Erling Smørgrav } 1324b7579f77SDag-Erling Smørgrav while(len>1 && str[len-2]==' ') 1325b7579f77SDag-Erling Smørgrav len--; 1326b7579f77SDag-Erling Smørgrav 1327b7579f77SDag-Erling Smørgrav if(!isalldigit(str, len-1)) { 1328b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1329b7579f77SDag-Erling Smørgrav return 0; 1330b7579f77SDag-Erling Smørgrav } 1331b7579f77SDag-Erling Smørgrav *res = ((size_t)atol(str)) * mult; 1332b7579f77SDag-Erling Smørgrav return 1; 1333b7579f77SDag-Erling Smørgrav } 1334b7579f77SDag-Erling Smørgrav 1335*e2d15004SDag-Erling Smørgrav int 1336*e2d15004SDag-Erling Smørgrav find_tag_id(struct config_file* cfg, const char* tag) 1337*e2d15004SDag-Erling Smørgrav { 1338*e2d15004SDag-Erling Smørgrav int i; 1339*e2d15004SDag-Erling Smørgrav for(i=0; i<cfg->num_tags; i++) { 1340*e2d15004SDag-Erling Smørgrav if(strcmp(cfg->tagname[i], tag) == 0) 1341*e2d15004SDag-Erling Smørgrav return i; 1342*e2d15004SDag-Erling Smørgrav } 1343*e2d15004SDag-Erling Smørgrav return -1; 1344*e2d15004SDag-Erling Smørgrav } 1345*e2d15004SDag-Erling Smørgrav 1346*e2d15004SDag-Erling Smørgrav int 1347*e2d15004SDag-Erling Smørgrav config_add_tag(struct config_file* cfg, const char* tag) 1348*e2d15004SDag-Erling Smørgrav { 1349*e2d15004SDag-Erling Smørgrav char** newarray; 1350*e2d15004SDag-Erling Smørgrav char* newtag; 1351*e2d15004SDag-Erling Smørgrav if(find_tag_id(cfg, tag) != -1) 1352*e2d15004SDag-Erling Smørgrav return 1; /* nothing to do */ 1353*e2d15004SDag-Erling Smørgrav newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); 1354*e2d15004SDag-Erling Smørgrav if(!newarray) 1355*e2d15004SDag-Erling Smørgrav return 0; 1356*e2d15004SDag-Erling Smørgrav newtag = strdup(tag); 1357*e2d15004SDag-Erling Smørgrav if(!newtag) { 1358*e2d15004SDag-Erling Smørgrav free(newarray); 1359*e2d15004SDag-Erling Smørgrav return 0; 1360*e2d15004SDag-Erling Smørgrav } 1361*e2d15004SDag-Erling Smørgrav if(cfg->tagname) { 1362*e2d15004SDag-Erling Smørgrav memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); 1363*e2d15004SDag-Erling Smørgrav free(cfg->tagname); 1364*e2d15004SDag-Erling Smørgrav } 1365*e2d15004SDag-Erling Smørgrav newarray[cfg->num_tags++] = newtag; 1366*e2d15004SDag-Erling Smørgrav cfg->tagname = newarray; 1367*e2d15004SDag-Erling Smørgrav return 1; 1368*e2d15004SDag-Erling Smørgrav } 1369*e2d15004SDag-Erling Smørgrav 1370*e2d15004SDag-Erling Smørgrav /** set a bit in a bit array */ 1371*e2d15004SDag-Erling Smørgrav static void 1372*e2d15004SDag-Erling Smørgrav cfg_set_bit(uint8_t* bitlist, size_t len, int id) 1373*e2d15004SDag-Erling Smørgrav { 1374*e2d15004SDag-Erling Smørgrav int pos = id/8; 1375*e2d15004SDag-Erling Smørgrav log_assert((size_t)pos < len); 1376*e2d15004SDag-Erling Smørgrav bitlist[pos] |= 1<<(id%8); 1377*e2d15004SDag-Erling Smørgrav } 1378*e2d15004SDag-Erling Smørgrav 1379*e2d15004SDag-Erling Smørgrav uint8_t* config_parse_taglist(struct config_file* cfg, char* str, 1380*e2d15004SDag-Erling Smørgrav size_t* listlen) 1381*e2d15004SDag-Erling Smørgrav { 1382*e2d15004SDag-Erling Smørgrav uint8_t* taglist = NULL; 1383*e2d15004SDag-Erling Smørgrav size_t len = 0; 1384*e2d15004SDag-Erling Smørgrav char* p, *s; 1385*e2d15004SDag-Erling Smørgrav 1386*e2d15004SDag-Erling Smørgrav /* allocate */ 1387*e2d15004SDag-Erling Smørgrav if(cfg->num_tags == 0) { 1388*e2d15004SDag-Erling Smørgrav log_err("parse taglist, but no tags defined"); 1389*e2d15004SDag-Erling Smørgrav return 0; 1390*e2d15004SDag-Erling Smørgrav } 1391*e2d15004SDag-Erling Smørgrav len = (size_t)(cfg->num_tags+7)/8; 1392*e2d15004SDag-Erling Smørgrav taglist = calloc(1, len); 1393*e2d15004SDag-Erling Smørgrav if(!taglist) { 1394*e2d15004SDag-Erling Smørgrav log_err("out of memory"); 1395*e2d15004SDag-Erling Smørgrav return 0; 1396*e2d15004SDag-Erling Smørgrav } 1397*e2d15004SDag-Erling Smørgrav 1398*e2d15004SDag-Erling Smørgrav /* parse */ 1399*e2d15004SDag-Erling Smørgrav s = str; 1400*e2d15004SDag-Erling Smørgrav while((p=strsep(&s, " \t\n")) != NULL) { 1401*e2d15004SDag-Erling Smørgrav if(*p) { 1402*e2d15004SDag-Erling Smørgrav int id = find_tag_id(cfg, p); 1403*e2d15004SDag-Erling Smørgrav /* set this bit in the bitlist */ 1404*e2d15004SDag-Erling Smørgrav if(id == -1) { 1405*e2d15004SDag-Erling Smørgrav log_err("unknown tag: %s", p); 1406*e2d15004SDag-Erling Smørgrav free(taglist); 1407*e2d15004SDag-Erling Smørgrav return 0; 1408*e2d15004SDag-Erling Smørgrav } 1409*e2d15004SDag-Erling Smørgrav cfg_set_bit(taglist, len, id); 1410*e2d15004SDag-Erling Smørgrav } 1411*e2d15004SDag-Erling Smørgrav } 1412*e2d15004SDag-Erling Smørgrav 1413*e2d15004SDag-Erling Smørgrav *listlen = len; 1414*e2d15004SDag-Erling Smørgrav return taglist; 1415*e2d15004SDag-Erling Smørgrav } 1416*e2d15004SDag-Erling Smørgrav 1417*e2d15004SDag-Erling Smørgrav char* config_taglist2str(struct config_file* cfg, uint8_t* taglist, 1418*e2d15004SDag-Erling Smørgrav size_t taglen) 1419*e2d15004SDag-Erling Smørgrav { 1420*e2d15004SDag-Erling Smørgrav char buf[10240]; 1421*e2d15004SDag-Erling Smørgrav size_t i, j, len = 0; 1422*e2d15004SDag-Erling Smørgrav buf[0] = 0; 1423*e2d15004SDag-Erling Smørgrav for(i=0; i<taglen; i++) { 1424*e2d15004SDag-Erling Smørgrav if(taglist[i] == 0) 1425*e2d15004SDag-Erling Smørgrav continue; 1426*e2d15004SDag-Erling Smørgrav for(j=0; j<8; j++) { 1427*e2d15004SDag-Erling Smørgrav if((taglist[i] & (1<<j)) != 0) { 1428*e2d15004SDag-Erling Smørgrav size_t id = i*8 + j; 1429*e2d15004SDag-Erling Smørgrav snprintf(buf+len, sizeof(buf)-len, "%s%s", 1430*e2d15004SDag-Erling Smørgrav (len==0?"":" "), cfg->tagname[id]); 1431*e2d15004SDag-Erling Smørgrav len += strlen(buf+len); 1432*e2d15004SDag-Erling Smørgrav } 1433*e2d15004SDag-Erling Smørgrav } 1434*e2d15004SDag-Erling Smørgrav } 1435*e2d15004SDag-Erling Smørgrav return strdup(buf); 1436*e2d15004SDag-Erling Smørgrav } 1437*e2d15004SDag-Erling Smørgrav 1438*e2d15004SDag-Erling Smørgrav int taglist_intersect(uint8_t* list1, size_t list1len, uint8_t* list2, 1439*e2d15004SDag-Erling Smørgrav size_t list2len) 1440*e2d15004SDag-Erling Smørgrav { 1441*e2d15004SDag-Erling Smørgrav size_t i; 1442*e2d15004SDag-Erling Smørgrav if(!list1 || !list2) 1443*e2d15004SDag-Erling Smørgrav return 0; 1444*e2d15004SDag-Erling Smørgrav for(i=0; i<list1len && i<list2len; i++) { 1445*e2d15004SDag-Erling Smørgrav if((list1[i] & list2[i]) != 0) 1446*e2d15004SDag-Erling Smørgrav return 1; 1447*e2d15004SDag-Erling Smørgrav } 1448*e2d15004SDag-Erling Smørgrav return 0; 1449*e2d15004SDag-Erling Smørgrav } 1450*e2d15004SDag-Erling Smørgrav 1451b7579f77SDag-Erling Smørgrav void 1452b7579f77SDag-Erling Smørgrav config_apply(struct config_file* config) 1453b7579f77SDag-Erling Smørgrav { 145417d15b25SDag-Erling Smørgrav MAX_TTL = (time_t)config->max_ttl; 145517d15b25SDag-Erling Smørgrav MIN_TTL = (time_t)config->min_ttl; 145609a3aaf3SDag-Erling Smørgrav MAX_NEG_TTL = (time_t)config->max_negative_ttl; 14576480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; 1458b7579f77SDag-Erling Smørgrav EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; 1459b7579f77SDag-Erling Smørgrav MINIMAL_RESPONSES = config->minimal_responses; 1460b7579f77SDag-Erling Smørgrav RRSET_ROUNDROBIN = config->rrset_roundrobin; 1461b7579f77SDag-Erling Smørgrav log_set_time_asc(config->log_time_ascii); 1462b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = config->permit_small_holddown; 1463b7579f77SDag-Erling Smørgrav } 1464b7579f77SDag-Erling Smørgrav 1465748bd829SDag-Erling Smørgrav void config_lookup_uid(struct config_file* cfg) 1466748bd829SDag-Erling Smørgrav { 1467748bd829SDag-Erling Smørgrav #ifdef HAVE_GETPWNAM 1468748bd829SDag-Erling Smørgrav /* translate username into uid and gid */ 1469748bd829SDag-Erling Smørgrav if(cfg->username && cfg->username[0]) { 1470748bd829SDag-Erling Smørgrav struct passwd *pwd; 14716480faa8SDag-Erling Smørgrav if((pwd = getpwnam(cfg->username)) != NULL) { 14726480faa8SDag-Erling Smørgrav cfg_uid = pwd->pw_uid; 14736480faa8SDag-Erling Smørgrav cfg_gid = pwd->pw_gid; 1474748bd829SDag-Erling Smørgrav } 14756480faa8SDag-Erling Smørgrav } 14766480faa8SDag-Erling Smørgrav #else 14776480faa8SDag-Erling Smørgrav (void)cfg; 1478748bd829SDag-Erling Smørgrav #endif 1479748bd829SDag-Erling Smørgrav } 1480748bd829SDag-Erling Smørgrav 1481b7579f77SDag-Erling Smørgrav /** 1482b7579f77SDag-Erling Smørgrav * Calculate string length of full pathname in original filesys 1483b7579f77SDag-Erling Smørgrav * @param fname: the path name to convert. 1484b7579f77SDag-Erling Smørgrav * Must not be null or empty. 1485b7579f77SDag-Erling Smørgrav * @param cfg: config struct for chroot and chdir (if set). 1486b7579f77SDag-Erling Smørgrav * @param use_chdir: if false, only chroot is applied. 1487b7579f77SDag-Erling Smørgrav * @return length of string. 1488b7579f77SDag-Erling Smørgrav * remember to allocate one more for 0 at end in mallocs. 1489b7579f77SDag-Erling Smørgrav */ 1490b7579f77SDag-Erling Smørgrav static size_t 1491b7579f77SDag-Erling Smørgrav strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1492b7579f77SDag-Erling Smørgrav { 1493b7579f77SDag-Erling Smørgrav size_t len = 0; 1494b7579f77SDag-Erling Smørgrav int slashit = 0; 1495b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1496b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1497b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 1498b7579f77SDag-Erling Smørgrav return strlen(fname); 1499b7579f77SDag-Erling Smørgrav } 1500b7579f77SDag-Erling Smørgrav /* chroot */ 1501b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1502b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 1503b7579f77SDag-Erling Smørgrav len += strlen(cfg->chrootdir); 1504b7579f77SDag-Erling Smørgrav slashit = 1; 1505b7579f77SDag-Erling Smørgrav } 1506b7579f77SDag-Erling Smørgrav /* chdir */ 1507b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1508b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1509b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1510b7579f77SDag-Erling Smørgrav } else 1511b7579f77SDag-Erling Smørgrav #endif 1512b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1513b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1514b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1515b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1516b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 1517b7579f77SDag-Erling Smørgrav len++; 1518b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1519b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1520b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 1521b7579f77SDag-Erling Smørgrav len += strlen(cfg->directory)-strlen(cfg->chrootdir); 1522b7579f77SDag-Erling Smørgrav else len += strlen(cfg->directory); 1523b7579f77SDag-Erling Smørgrav slashit = 1; 1524b7579f77SDag-Erling Smørgrav } 1525b7579f77SDag-Erling Smørgrav /* fname */ 1526b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 1527b7579f77SDag-Erling Smørgrav len++; 1528b7579f77SDag-Erling Smørgrav len += strlen(fname); 1529b7579f77SDag-Erling Smørgrav return len; 1530b7579f77SDag-Erling Smørgrav } 1531b7579f77SDag-Erling Smørgrav 1532b7579f77SDag-Erling Smørgrav char* 1533b7579f77SDag-Erling Smørgrav fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1534b7579f77SDag-Erling Smørgrav { 153517d15b25SDag-Erling Smørgrav size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; 1536b7579f77SDag-Erling Smørgrav int slashit = 0; 153717d15b25SDag-Erling Smørgrav char* buf = (char*)malloc(len); 1538b7579f77SDag-Erling Smørgrav if(!buf) 1539b7579f77SDag-Erling Smørgrav return NULL; 1540b7579f77SDag-Erling Smørgrav buf[0] = 0; 1541b7579f77SDag-Erling Smørgrav /* is fname already in chroot ? */ 1542b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1543b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1544b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 154517d15b25SDag-Erling Smørgrav (void)strlcpy(buf, fname, len); 154617d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1547b7579f77SDag-Erling Smørgrav return buf; 1548b7579f77SDag-Erling Smørgrav } 1549b7579f77SDag-Erling Smørgrav /* chroot */ 1550b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1551b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 155217d15b25SDag-Erling Smørgrav (void)strlcpy(buf, cfg->chrootdir, len); 1553b7579f77SDag-Erling Smørgrav slashit = 1; 1554b7579f77SDag-Erling Smørgrav } 1555b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1556b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1557b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1558b7579f77SDag-Erling Smørgrav } else 1559b7579f77SDag-Erling Smørgrav #endif 1560b7579f77SDag-Erling Smørgrav /* chdir */ 1561b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1562b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1563b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1564b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1565b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 156617d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 1567b7579f77SDag-Erling Smørgrav /* is the directory already in the chroot? */ 1568b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1569b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1570b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 157117d15b25SDag-Erling Smørgrav (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), 157217d15b25SDag-Erling Smørgrav len); 157317d15b25SDag-Erling Smørgrav else (void)strlcat(buf, cfg->directory, len); 1574b7579f77SDag-Erling Smørgrav slashit = 1; 1575b7579f77SDag-Erling Smørgrav } 1576b7579f77SDag-Erling Smørgrav /* fname */ 1577b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 157817d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 157917d15b25SDag-Erling Smørgrav (void)strlcat(buf, fname, len); 158017d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1581b7579f77SDag-Erling Smørgrav return buf; 1582b7579f77SDag-Erling Smørgrav } 1583b7579f77SDag-Erling Smørgrav 1584b7579f77SDag-Erling Smørgrav /** return next space character in string */ 1585b7579f77SDag-Erling Smørgrav static char* next_space_pos(const char* str) 1586b7579f77SDag-Erling Smørgrav { 1587b7579f77SDag-Erling Smørgrav char* sp = strchr(str, ' '); 1588b7579f77SDag-Erling Smørgrav char* tab = strchr(str, '\t'); 1589b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1590b7579f77SDag-Erling Smørgrav return NULL; 1591b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1592b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1593b7579f77SDag-Erling Smørgrav return (sp<tab)?sp:tab; 1594b7579f77SDag-Erling Smørgrav } 1595b7579f77SDag-Erling Smørgrav 1596b7579f77SDag-Erling Smørgrav /** return last space character in string */ 1597b7579f77SDag-Erling Smørgrav static char* last_space_pos(const char* str) 1598b7579f77SDag-Erling Smørgrav { 1599b7579f77SDag-Erling Smørgrav char* sp = strrchr(str, ' '); 1600b7579f77SDag-Erling Smørgrav char* tab = strrchr(str, '\t'); 1601b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1602b7579f77SDag-Erling Smørgrav return NULL; 1603b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1604b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1605b7579f77SDag-Erling Smørgrav return (sp>tab)?sp:tab; 1606b7579f77SDag-Erling Smørgrav } 1607b7579f77SDag-Erling Smørgrav 1608b7579f77SDag-Erling Smørgrav int 1609b7579f77SDag-Erling Smørgrav cfg_parse_local_zone(struct config_file* cfg, const char* val) 1610b7579f77SDag-Erling Smørgrav { 1611b7579f77SDag-Erling Smørgrav const char *type, *name_end, *name; 1612b7579f77SDag-Erling Smørgrav char buf[256]; 1613b7579f77SDag-Erling Smørgrav 1614b7579f77SDag-Erling Smørgrav /* parse it as: [zone_name] [between stuff] [zone_type] */ 1615b7579f77SDag-Erling Smørgrav name = val; 1616ff825849SDag-Erling Smørgrav while(*name && isspace((unsigned char)*name)) 1617b7579f77SDag-Erling Smørgrav name++; 1618b7579f77SDag-Erling Smørgrav if(!*name) { 1619b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", val); 1620b7579f77SDag-Erling Smørgrav return 0; 1621b7579f77SDag-Erling Smørgrav } 1622b7579f77SDag-Erling Smørgrav name_end = next_space_pos(name); 1623b7579f77SDag-Erling Smørgrav if(!name_end || !*name_end) { 1624b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1625b7579f77SDag-Erling Smørgrav return 0; 1626b7579f77SDag-Erling Smørgrav } 1627b7579f77SDag-Erling Smørgrav if (name_end - name > 255) { 1628b7579f77SDag-Erling Smørgrav log_err("syntax error: bad zone name: %s", val); 1629b7579f77SDag-Erling Smørgrav return 0; 1630b7579f77SDag-Erling Smørgrav } 163117d15b25SDag-Erling Smørgrav (void)strlcpy(buf, name, sizeof(buf)); 1632b7579f77SDag-Erling Smørgrav buf[name_end-name] = '\0'; 1633b7579f77SDag-Erling Smørgrav 1634b7579f77SDag-Erling Smørgrav type = last_space_pos(name_end); 1635ff825849SDag-Erling Smørgrav while(type && *type && isspace((unsigned char)*type)) 1636b7579f77SDag-Erling Smørgrav type++; 1637b7579f77SDag-Erling Smørgrav if(!type || !*type) { 1638b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1639b7579f77SDag-Erling Smørgrav return 0; 1640b7579f77SDag-Erling Smørgrav } 1641b7579f77SDag-Erling Smørgrav 1642b7579f77SDag-Erling Smørgrav if(strcmp(type, "nodefault")==0) { 1643b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_zones_nodefault, 1644b7579f77SDag-Erling Smørgrav strdup(name)); 1645b7579f77SDag-Erling Smørgrav } else { 1646b7579f77SDag-Erling Smørgrav return cfg_str2list_insert(&cfg->local_zones, strdup(buf), 1647b7579f77SDag-Erling Smørgrav strdup(type)); 1648b7579f77SDag-Erling Smørgrav } 1649b7579f77SDag-Erling Smørgrav } 1650b7579f77SDag-Erling Smørgrav 1651b7579f77SDag-Erling Smørgrav char* cfg_ptr_reverse(char* str) 1652b7579f77SDag-Erling Smørgrav { 1653b7579f77SDag-Erling Smørgrav char* ip, *ip_end; 1654b7579f77SDag-Erling Smørgrav char* name; 1655b7579f77SDag-Erling Smørgrav char* result; 1656b7579f77SDag-Erling Smørgrav char buf[1024]; 1657b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 1658b7579f77SDag-Erling Smørgrav socklen_t addrlen; 1659b7579f77SDag-Erling Smørgrav 1660b7579f77SDag-Erling Smørgrav /* parse it as: [IP] [between stuff] [name] */ 1661b7579f77SDag-Erling Smørgrav ip = str; 1662ff825849SDag-Erling Smørgrav while(*ip && isspace((unsigned char)*ip)) 1663b7579f77SDag-Erling Smørgrav ip++; 1664b7579f77SDag-Erling Smørgrav if(!*ip) { 1665b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", str); 1666b7579f77SDag-Erling Smørgrav return NULL; 1667b7579f77SDag-Erling Smørgrav } 1668b7579f77SDag-Erling Smørgrav ip_end = next_space_pos(ip); 1669b7579f77SDag-Erling Smørgrav if(!ip_end || !*ip_end) { 1670b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1671b7579f77SDag-Erling Smørgrav return NULL; 1672b7579f77SDag-Erling Smørgrav } 1673b7579f77SDag-Erling Smørgrav 1674b7579f77SDag-Erling Smørgrav name = last_space_pos(ip_end); 1675b7579f77SDag-Erling Smørgrav if(!name || !*name) { 1676b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1677b7579f77SDag-Erling Smørgrav return NULL; 1678b7579f77SDag-Erling Smørgrav } 1679b7579f77SDag-Erling Smørgrav 1680b7579f77SDag-Erling Smørgrav sscanf(ip, "%100s", buf); 1681b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1]=0; 1682b7579f77SDag-Erling Smørgrav 1683b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { 1684b7579f77SDag-Erling Smørgrav log_err("syntax error: cannot parse address: %s", str); 1685b7579f77SDag-Erling Smørgrav return NULL; 1686b7579f77SDag-Erling Smørgrav } 1687b7579f77SDag-Erling Smørgrav 1688b7579f77SDag-Erling Smørgrav /* reverse IPv4: 1689b7579f77SDag-Erling Smørgrav * ddd.ddd.ddd.ddd.in-addr-arpa. 1690b7579f77SDag-Erling Smørgrav * IPv6: (h.){32}.ip6.arpa. */ 1691b7579f77SDag-Erling Smørgrav 1692b7579f77SDag-Erling Smørgrav if(addr_is_ip6(&addr, addrlen)) { 1693b7579f77SDag-Erling Smørgrav uint8_t ad[16]; 1694b7579f77SDag-Erling Smørgrav const char* hex = "0123456789abcdef"; 1695b7579f77SDag-Erling Smørgrav char *p = buf; 1696b7579f77SDag-Erling Smørgrav int i; 1697b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, 1698b7579f77SDag-Erling Smørgrav sizeof(ad)); 1699b7579f77SDag-Erling Smørgrav for(i=15; i>=0; i--) { 1700b7579f77SDag-Erling Smørgrav uint8_t b = ad[i]; 1701b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0x0f) ]; 1702b7579f77SDag-Erling Smørgrav *p++ = '.'; 1703b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0xf0) >> 4 ]; 1704b7579f77SDag-Erling Smørgrav *p++ = '.'; 1705b7579f77SDag-Erling Smørgrav } 1706b7579f77SDag-Erling Smørgrav snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); 1707b7579f77SDag-Erling Smørgrav } else { 1708b7579f77SDag-Erling Smørgrav uint8_t ad[4]; 1709b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, 1710b7579f77SDag-Erling Smørgrav sizeof(ad)); 1711b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", 1712b7579f77SDag-Erling Smørgrav (unsigned)ad[3], (unsigned)ad[2], 1713b7579f77SDag-Erling Smørgrav (unsigned)ad[1], (unsigned)ad[0]); 1714b7579f77SDag-Erling Smørgrav } 1715b7579f77SDag-Erling Smørgrav 1716b7579f77SDag-Erling Smørgrav /* printed the reverse address, now the between goop and name on end */ 1717ff825849SDag-Erling Smørgrav while(*ip_end && isspace((unsigned char)*ip_end)) 1718b7579f77SDag-Erling Smørgrav ip_end++; 1719b7579f77SDag-Erling Smørgrav if(name>ip_end) { 1720b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", 1721b7579f77SDag-Erling Smørgrav (int)(name-ip_end), ip_end); 1722b7579f77SDag-Erling Smørgrav } 1723b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); 1724b7579f77SDag-Erling Smørgrav 1725b7579f77SDag-Erling Smørgrav result = strdup(buf); 1726b7579f77SDag-Erling Smørgrav if(!result) { 1727b7579f77SDag-Erling Smørgrav log_err("out of memory parsing %s", str); 1728b7579f77SDag-Erling Smørgrav return NULL; 1729b7579f77SDag-Erling Smørgrav } 1730b7579f77SDag-Erling Smørgrav return result; 1731b7579f77SDag-Erling Smørgrav } 1732b7579f77SDag-Erling Smørgrav 1733b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1734b7579f77SDag-Erling Smørgrav char* 1735b7579f77SDag-Erling Smørgrav w_lookup_reg_str(const char* key, const char* name) 1736b7579f77SDag-Erling Smørgrav { 1737b7579f77SDag-Erling Smørgrav HKEY hk = NULL; 1738b7579f77SDag-Erling Smørgrav DWORD type = 0; 1739b7579f77SDag-Erling Smørgrav BYTE buf[1024]; 1740b7579f77SDag-Erling Smørgrav DWORD len = (DWORD)sizeof(buf); 1741b7579f77SDag-Erling Smørgrav LONG ret; 1742b7579f77SDag-Erling Smørgrav char* result = NULL; 1743b7579f77SDag-Erling Smørgrav ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); 1744b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1745b7579f77SDag-Erling Smørgrav return NULL; /* key does not exist */ 1746b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1747b7579f77SDag-Erling Smørgrav log_err("RegOpenKeyEx failed"); 1748b7579f77SDag-Erling Smørgrav return NULL; 1749b7579f77SDag-Erling Smørgrav } 1750b7579f77SDag-Erling Smørgrav ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); 1751b7579f77SDag-Erling Smørgrav if(RegCloseKey(hk)) 1752b7579f77SDag-Erling Smørgrav log_err("RegCloseKey"); 1753b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1754b7579f77SDag-Erling Smørgrav return NULL; /* name does not exist */ 1755b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1756b7579f77SDag-Erling Smørgrav log_err("RegQueryValueEx failed"); 1757b7579f77SDag-Erling Smørgrav return NULL; 1758b7579f77SDag-Erling Smørgrav } 1759b7579f77SDag-Erling Smørgrav if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { 1760b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1] = 0; 1761b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-2] = 0; /* for multi_sz */ 1762b7579f77SDag-Erling Smørgrav result = strdup((char*)buf); 1763b7579f77SDag-Erling Smørgrav if(!result) log_err("out of memory"); 1764b7579f77SDag-Erling Smørgrav } 1765b7579f77SDag-Erling Smørgrav return result; 1766b7579f77SDag-Erling Smørgrav } 176705ab2901SDag-Erling Smørgrav 176805ab2901SDag-Erling Smørgrav void w_config_adjust_directory(struct config_file* cfg) 176905ab2901SDag-Erling Smørgrav { 177005ab2901SDag-Erling Smørgrav if(cfg->directory && cfg->directory[0]) { 177105ab2901SDag-Erling Smørgrav TCHAR dirbuf[2*MAX_PATH+4]; 177205ab2901SDag-Erling Smørgrav if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { 177305ab2901SDag-Erling Smørgrav /* get executable path, and if that contains 177405ab2901SDag-Erling Smørgrav * directories, snip off the filename part */ 177505ab2901SDag-Erling Smørgrav dirbuf[0] = 0; 177605ab2901SDag-Erling Smørgrav if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) 177705ab2901SDag-Erling Smørgrav log_err("could not GetModuleFileName"); 177805ab2901SDag-Erling Smørgrav if(strrchr(dirbuf, '\\')) { 177905ab2901SDag-Erling Smørgrav (strrchr(dirbuf, '\\'))[0] = 0; 178005ab2901SDag-Erling Smørgrav } else log_err("GetModuleFileName had no path"); 178105ab2901SDag-Erling Smørgrav if(dirbuf[0]) { 178205ab2901SDag-Erling Smørgrav /* adjust directory for later lookups to work*/ 178305ab2901SDag-Erling Smørgrav free(cfg->directory); 178405ab2901SDag-Erling Smørgrav cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); 178505ab2901SDag-Erling Smørgrav } 178605ab2901SDag-Erling Smørgrav } 178705ab2901SDag-Erling Smørgrav } 178805ab2901SDag-Erling Smørgrav } 1789b7579f77SDag-Erling Smørgrav #endif /* UB_ON_WINDOWS */ 1790b7579f77SDag-Erling Smørgrav 1791b7579f77SDag-Erling Smørgrav void errinf(struct module_qstate* qstate, const char* str) 1792b7579f77SDag-Erling Smørgrav { 1793b7579f77SDag-Erling Smørgrav struct config_strlist* p; 1794b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str) 1795b7579f77SDag-Erling Smørgrav return; 1796b7579f77SDag-Erling Smørgrav p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); 1797b7579f77SDag-Erling Smørgrav if(!p) { 1798b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1799b7579f77SDag-Erling Smørgrav return; 1800b7579f77SDag-Erling Smørgrav } 1801b7579f77SDag-Erling Smørgrav p->next = NULL; 1802b7579f77SDag-Erling Smørgrav p->str = regional_strdup(qstate->region, str); 1803b7579f77SDag-Erling Smørgrav if(!p->str) { 1804b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1805b7579f77SDag-Erling Smørgrav return; 1806b7579f77SDag-Erling Smørgrav } 1807b7579f77SDag-Erling Smørgrav /* add at end */ 1808b7579f77SDag-Erling Smørgrav if(qstate->errinf) { 1809b7579f77SDag-Erling Smørgrav struct config_strlist* q = qstate->errinf; 1810b7579f77SDag-Erling Smørgrav while(q->next) 1811b7579f77SDag-Erling Smørgrav q = q->next; 1812b7579f77SDag-Erling Smørgrav q->next = p; 1813b7579f77SDag-Erling Smørgrav } else qstate->errinf = p; 1814b7579f77SDag-Erling Smørgrav } 1815b7579f77SDag-Erling Smørgrav 1816b7579f77SDag-Erling Smørgrav void errinf_origin(struct module_qstate* qstate, struct sock_list *origin) 1817b7579f77SDag-Erling Smørgrav { 1818b7579f77SDag-Erling Smørgrav struct sock_list* p; 1819b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2) 1820b7579f77SDag-Erling Smørgrav return; 1821b7579f77SDag-Erling Smørgrav for(p=origin; p; p=p->next) { 1822b7579f77SDag-Erling Smørgrav char buf[256]; 1823b7579f77SDag-Erling Smørgrav if(p == origin) 1824b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "from "); 1825b7579f77SDag-Erling Smørgrav else snprintf(buf, sizeof(buf), "and "); 1826b7579f77SDag-Erling Smørgrav if(p->len == 0) 1827b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), 1828b7579f77SDag-Erling Smørgrav "cache"); 1829b7579f77SDag-Erling Smørgrav else 1830b7579f77SDag-Erling Smørgrav addr_to_str(&p->addr, p->len, buf+strlen(buf), 1831b7579f77SDag-Erling Smørgrav sizeof(buf)-strlen(buf)); 1832b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1833b7579f77SDag-Erling Smørgrav } 1834b7579f77SDag-Erling Smørgrav } 1835b7579f77SDag-Erling Smørgrav 1836b7579f77SDag-Erling Smørgrav char* errinf_to_str(struct module_qstate* qstate) 1837b7579f77SDag-Erling Smørgrav { 1838b7579f77SDag-Erling Smørgrav char buf[20480]; 1839b7579f77SDag-Erling Smørgrav char* p = buf; 1840b7579f77SDag-Erling Smørgrav size_t left = sizeof(buf); 1841b7579f77SDag-Erling Smørgrav struct config_strlist* s; 1842b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 184317d15b25SDag-Erling Smørgrav char t[16], c[16]; 184417d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 184517d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 1846b7579f77SDag-Erling Smørgrav dname_str(qstate->qinfo.qname, dname); 1847b7579f77SDag-Erling Smørgrav snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); 1848b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1849b7579f77SDag-Erling Smørgrav if(!qstate->errinf) 1850b7579f77SDag-Erling Smørgrav snprintf(p, left, " misc failure"); 1851b7579f77SDag-Erling Smørgrav else for(s=qstate->errinf; s; s=s->next) { 1852b7579f77SDag-Erling Smørgrav snprintf(p, left, " %s", s->str); 1853b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1854b7579f77SDag-Erling Smørgrav } 1855b7579f77SDag-Erling Smørgrav p = strdup(buf); 1856b7579f77SDag-Erling Smørgrav if(!p) 1857b7579f77SDag-Erling Smørgrav log_err("malloc failure in errinf_to_str"); 1858b7579f77SDag-Erling Smørgrav return p; 1859b7579f77SDag-Erling Smørgrav } 1860b7579f77SDag-Erling Smørgrav 1861b7579f77SDag-Erling Smørgrav void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) 1862b7579f77SDag-Erling Smørgrav { 1863b7579f77SDag-Erling Smørgrav char buf[1024]; 1864b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 186517d15b25SDag-Erling Smørgrav char t[16], c[16]; 1866b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !rr) 1867b7579f77SDag-Erling Smørgrav return; 186817d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); 186917d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); 1870b7579f77SDag-Erling Smørgrav dname_str(rr->rk.dname, dname); 1871b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); 1872b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1873b7579f77SDag-Erling Smørgrav } 1874b7579f77SDag-Erling Smørgrav 1875b7579f77SDag-Erling Smørgrav void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) 1876b7579f77SDag-Erling Smørgrav { 1877b7579f77SDag-Erling Smørgrav char b[1024]; 1878b7579f77SDag-Erling Smørgrav char buf[LDNS_MAX_DOMAINLEN+1]; 1879b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str || !dname) 1880b7579f77SDag-Erling Smørgrav return; 1881b7579f77SDag-Erling Smørgrav dname_str(dname, buf); 1882b7579f77SDag-Erling Smørgrav snprintf(b, sizeof(b), "%s %s", str, buf); 1883b7579f77SDag-Erling Smørgrav errinf(qstate, b); 1884b7579f77SDag-Erling Smørgrav } 1885