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; 101b7579f77SDag-Erling Smørgrav cfg->ssl_service_key = NULL; 102b7579f77SDag-Erling Smørgrav cfg->ssl_service_pem = NULL; 10305ab2901SDag-Erling Smørgrav cfg->ssl_port = 853; 104b7579f77SDag-Erling Smørgrav cfg->ssl_upstream = 0; 105b7579f77SDag-Erling Smørgrav cfg->use_syslog = 1; 106b7579f77SDag-Erling Smørgrav cfg->log_time_ascii = 0; 107b7579f77SDag-Erling Smørgrav cfg->log_queries = 0; 108b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 109b7579f77SDag-Erling Smørgrav # ifdef USE_MINI_EVENT 110b7579f77SDag-Erling Smørgrav /* select max 1024 sockets */ 111b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 960; 112b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 512; 113b7579f77SDag-Erling Smørgrav # else 114b7579f77SDag-Erling Smørgrav /* libevent can use many sockets */ 115b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 4096; 116b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 1024; 117b7579f77SDag-Erling Smørgrav # endif 118b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 10; 119b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 10; 120b7579f77SDag-Erling Smørgrav #else 121b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ 122b7579f77SDag-Erling Smørgrav cfg->num_queries_per_thread = 24; 123b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ 124b7579f77SDag-Erling Smørgrav cfg->incoming_num_tcp = 2; 125b7579f77SDag-Erling Smørgrav #endif 126b7579f77SDag-Erling Smørgrav cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */ 127b7579f77SDag-Erling Smørgrav cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ 128b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 4 * 1024 * 1024; 129b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 4; 130b7579f77SDag-Erling Smørgrav cfg->jostle_time = 200; 131b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 4 * 1024 * 1024; 132b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 4; 133b7579f77SDag-Erling Smørgrav cfg->host_ttl = 900; 134b7579f77SDag-Erling Smørgrav cfg->bogus_ttl = 60; 135b7579f77SDag-Erling Smørgrav cfg->min_ttl = 0; 136b7579f77SDag-Erling Smørgrav cfg->max_ttl = 3600 * 24; 13709a3aaf3SDag-Erling Smørgrav cfg->max_negative_ttl = 3600; 138b7579f77SDag-Erling Smørgrav cfg->prefetch = 0; 139b7579f77SDag-Erling Smørgrav cfg->prefetch_key = 0; 140b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 4; 141b7579f77SDag-Erling Smørgrav cfg->infra_cache_numhosts = 10000; 1426480faa8SDag-Erling Smørgrav cfg->infra_cache_min_rtt = 50; 14317d15b25SDag-Erling Smørgrav cfg->delay_close = 0; 144b7579f77SDag-Erling Smørgrav if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) 145b7579f77SDag-Erling Smørgrav goto error_exit; 146b7579f77SDag-Erling Smørgrav init_outgoing_availports(cfg->outgoing_avail_ports, 65536); 147b7579f77SDag-Erling Smørgrav if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; 148b7579f77SDag-Erling Smørgrav #ifdef HAVE_CHROOT 149b7579f77SDag-Erling Smørgrav if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; 150b7579f77SDag-Erling Smørgrav #endif 151b7579f77SDag-Erling Smørgrav if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; 152b7579f77SDag-Erling Smørgrav if(!(cfg->logfile = strdup(""))) goto error_exit; 153b7579f77SDag-Erling Smørgrav if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; 154b7579f77SDag-Erling Smørgrav if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; 155b7579f77SDag-Erling Smørgrav cfg->donotqueryaddrs = NULL; 156b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 1; 157b7579f77SDag-Erling Smørgrav cfg->root_hints = NULL; 158b7579f77SDag-Erling Smørgrav cfg->do_daemonize = 1; 159b7579f77SDag-Erling Smørgrav cfg->if_automatic = 0; 160b7579f77SDag-Erling Smørgrav cfg->so_rcvbuf = 0; 161b7579f77SDag-Erling Smørgrav cfg->so_sndbuf = 0; 16217d15b25SDag-Erling Smørgrav cfg->so_reuseport = 0; 16309a3aaf3SDag-Erling Smørgrav cfg->ip_transparent = 0; 164b7579f77SDag-Erling Smørgrav cfg->num_ifs = 0; 165b7579f77SDag-Erling Smørgrav cfg->ifs = NULL; 166b7579f77SDag-Erling Smørgrav cfg->num_out_ifs = 0; 167b7579f77SDag-Erling Smørgrav cfg->out_ifs = NULL; 168b7579f77SDag-Erling Smørgrav cfg->stubs = NULL; 169b7579f77SDag-Erling Smørgrav cfg->forwards = NULL; 170b7579f77SDag-Erling Smørgrav cfg->acls = NULL; 171b7579f77SDag-Erling Smørgrav cfg->harden_short_bufsize = 0; 172b7579f77SDag-Erling Smørgrav cfg->harden_large_queries = 0; 173b7579f77SDag-Erling Smørgrav cfg->harden_glue = 1; 174b7579f77SDag-Erling Smørgrav cfg->harden_dnssec_stripped = 1; 175b7579f77SDag-Erling Smørgrav cfg->harden_below_nxdomain = 0; 176b7579f77SDag-Erling Smørgrav cfg->harden_referral_path = 0; 177b75612f8SDag-Erling Smørgrav cfg->harden_algo_downgrade = 0; 178b7579f77SDag-Erling Smørgrav cfg->use_caps_bits_for_id = 0; 17909a3aaf3SDag-Erling Smørgrav cfg->caps_whitelist = NULL; 180b7579f77SDag-Erling Smørgrav cfg->private_address = NULL; 181b7579f77SDag-Erling Smørgrav cfg->private_domain = NULL; 182b7579f77SDag-Erling Smørgrav cfg->unwanted_threshold = 0; 183b7579f77SDag-Erling Smørgrav cfg->hide_identity = 0; 184b7579f77SDag-Erling Smørgrav cfg->hide_version = 0; 185b7579f77SDag-Erling Smørgrav cfg->identity = NULL; 186b7579f77SDag-Erling Smørgrav cfg->version = NULL; 187b7579f77SDag-Erling Smørgrav cfg->auto_trust_anchor_file_list = NULL; 188b7579f77SDag-Erling Smørgrav cfg->trust_anchor_file_list = NULL; 189b7579f77SDag-Erling Smørgrav cfg->trust_anchor_list = NULL; 190b7579f77SDag-Erling Smørgrav cfg->trusted_keys_file_list = NULL; 191b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_file = NULL; 192b7579f77SDag-Erling Smørgrav cfg->dlv_anchor_list = NULL; 193b7579f77SDag-Erling Smørgrav cfg->domain_insecure = NULL; 194b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 195b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ 196b7579f77SDag-Erling Smørgrav cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ 197b7579f77SDag-Erling Smørgrav cfg->val_clean_additional = 1; 198b7579f77SDag-Erling Smørgrav cfg->val_log_level = 0; 199b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 0; 200b7579f77SDag-Erling Smørgrav cfg->val_permissive_mode = 0; 201b7579f77SDag-Erling Smørgrav cfg->ignore_cd = 0; 202b7579f77SDag-Erling Smørgrav cfg->add_holddown = 30*24*3600; 203b7579f77SDag-Erling Smørgrav cfg->del_holddown = 30*24*3600; 204b7579f77SDag-Erling Smørgrav cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ 205b75612f8SDag-Erling Smørgrav cfg->permit_small_holddown = 0; 206b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 4 * 1024 * 1024; 207b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 4; 208b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 1 * 1024 * 1024; 209b7579f77SDag-Erling Smørgrav cfg->local_zones = NULL; 210b7579f77SDag-Erling Smørgrav cfg->local_zones_nodefault = NULL; 211b7579f77SDag-Erling Smørgrav cfg->local_data = NULL; 212c536e4dcSDag-Erling Smørgrav cfg->unblock_lan_zones = 0; 213*0de4f1bfSDag-Erling Smørgrav cfg->insecure_lan_zones = 0; 214b7579f77SDag-Erling Smørgrav cfg->python_script = NULL; 215b7579f77SDag-Erling Smørgrav cfg->remote_control_enable = 0; 216b7579f77SDag-Erling Smørgrav cfg->control_ifs = NULL; 217b7579f77SDag-Erling Smørgrav cfg->control_port = UNBOUND_CONTROL_PORT; 218748bd829SDag-Erling Smørgrav cfg->remote_control_use_cert = 1; 219b7579f77SDag-Erling Smørgrav cfg->minimal_responses = 0; 220b7579f77SDag-Erling Smørgrav cfg->rrset_roundrobin = 0; 22117d15b25SDag-Erling Smørgrav cfg->max_udp_size = 4096; 222b7579f77SDag-Erling Smørgrav if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) 223b7579f77SDag-Erling Smørgrav goto error_exit; 224b7579f77SDag-Erling Smørgrav if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) 225b7579f77SDag-Erling Smørgrav goto error_exit; 226b7579f77SDag-Erling Smørgrav if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) 227b7579f77SDag-Erling Smørgrav goto error_exit; 228b7579f77SDag-Erling Smørgrav if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) 229b7579f77SDag-Erling Smørgrav goto error_exit; 230b7579f77SDag-Erling Smørgrav 231b7579f77SDag-Erling Smørgrav if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; 232b7579f77SDag-Erling Smørgrav if(!(cfg->val_nsec3_key_iterations = 233b7579f77SDag-Erling Smørgrav strdup("1024 150 2048 500 4096 2500"))) goto error_exit; 234ff825849SDag-Erling Smørgrav #if defined(DNSTAP_SOCKET_PATH) 235ff825849SDag-Erling Smørgrav if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) 236ff825849SDag-Erling Smørgrav goto error_exit; 237ff825849SDag-Erling Smørgrav #endif 23809a3aaf3SDag-Erling Smørgrav cfg->ratelimit = 0; 23909a3aaf3SDag-Erling Smørgrav cfg->ratelimit_slabs = 4; 24009a3aaf3SDag-Erling Smørgrav cfg->ratelimit_size = 4*1024*1024; 24109a3aaf3SDag-Erling Smørgrav cfg->ratelimit_for_domain = NULL; 24209a3aaf3SDag-Erling Smørgrav cfg->ratelimit_below_domain = NULL; 24309a3aaf3SDag-Erling Smørgrav cfg->ratelimit_factor = 10; 24405ab2901SDag-Erling Smørgrav cfg->qname_minimisation = 0; 245b7579f77SDag-Erling Smørgrav return cfg; 246b7579f77SDag-Erling Smørgrav error_exit: 247b7579f77SDag-Erling Smørgrav config_delete(cfg); 248b7579f77SDag-Erling Smørgrav return NULL; 249b7579f77SDag-Erling Smørgrav } 250b7579f77SDag-Erling Smørgrav 251b7579f77SDag-Erling Smørgrav struct config_file* config_create_forlib(void) 252b7579f77SDag-Erling Smørgrav { 253b7579f77SDag-Erling Smørgrav struct config_file* cfg = config_create(); 254b7579f77SDag-Erling Smørgrav if(!cfg) return NULL; 255b7579f77SDag-Erling Smørgrav /* modifications for library use, less verbose, less memory */ 256b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 257b7579f77SDag-Erling Smørgrav cfg->chrootdir = NULL; 258b7579f77SDag-Erling Smørgrav cfg->verbosity = 0; 259b7579f77SDag-Erling Smørgrav cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' 260b7579f77SDag-Erling Smørgrav and probably within the ulimit(maxfds) of the user */ 261b7579f77SDag-Erling Smørgrav cfg->outgoing_num_tcp = 2; 262b7579f77SDag-Erling Smørgrav cfg->msg_cache_size = 1024*1024; 263b7579f77SDag-Erling Smørgrav cfg->msg_cache_slabs = 1; 264b7579f77SDag-Erling Smørgrav cfg->rrset_cache_size = 1024*1024; 265b7579f77SDag-Erling Smørgrav cfg->rrset_cache_slabs = 1; 266b7579f77SDag-Erling Smørgrav cfg->infra_cache_slabs = 1; 267b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 268b7579f77SDag-Erling Smørgrav cfg->key_cache_size = 1024*1024; 269b7579f77SDag-Erling Smørgrav cfg->key_cache_slabs = 1; 270b7579f77SDag-Erling Smørgrav cfg->neg_cache_size = 100 * 1024; 271b7579f77SDag-Erling Smørgrav cfg->donotquery_localhost = 0; /* allow, so that you can ask a 272b7579f77SDag-Erling Smørgrav forward nameserver running on localhost */ 273b7579f77SDag-Erling Smørgrav cfg->val_log_level = 2; /* to fill why_bogus with */ 274b7579f77SDag-Erling Smørgrav cfg->val_log_squelch = 1; 275b7579f77SDag-Erling Smørgrav return cfg; 276b7579f77SDag-Erling Smørgrav } 277b7579f77SDag-Erling Smørgrav 278b7579f77SDag-Erling Smørgrav /** check that the value passed is >= 0 */ 279b7579f77SDag-Erling Smørgrav #define IS_NUMBER_OR_ZERO \ 280b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 281b7579f77SDag-Erling Smørgrav /** check that the value passed is > 0 */ 282b7579f77SDag-Erling Smørgrav #define IS_NONZERO_NUMBER \ 283b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0 284b7579f77SDag-Erling Smørgrav /** check that the value passed is not 0 and a power of 2 */ 285b7579f77SDag-Erling Smørgrav #define IS_POW2_NUMBER \ 286b7579f77SDag-Erling Smørgrav if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 287b7579f77SDag-Erling Smørgrav /** check that the value passed is yes or no */ 288b7579f77SDag-Erling Smørgrav #define IS_YES_OR_NO \ 289b7579f77SDag-Erling Smørgrav if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 290b7579f77SDag-Erling Smørgrav /** put integer_or_zero into variable */ 291b7579f77SDag-Erling Smørgrav #define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 292b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } 293b7579f77SDag-Erling Smørgrav /** put integer_nonzero into variable */ 294b7579f77SDag-Erling Smørgrav #define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 295b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = atoi(val); } 296b7579f77SDag-Erling Smørgrav /** put integer_or_zero into unsigned */ 297b7579f77SDag-Erling Smørgrav #define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 298b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } 299b7579f77SDag-Erling Smørgrav /** put integer_or_zero into size_t */ 300b7579f77SDag-Erling Smørgrav #define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ 301b7579f77SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } 302b7579f77SDag-Erling Smørgrav /** put integer_nonzero into size_t */ 303b7579f77SDag-Erling Smørgrav #define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ 304b7579f77SDag-Erling Smørgrav { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } 305b7579f77SDag-Erling Smørgrav /** put yesno into variable */ 306b7579f77SDag-Erling Smørgrav #define S_YNO(str, var) if(strcmp(opt, str) == 0) \ 307b7579f77SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } 308b7579f77SDag-Erling Smørgrav /** put memsize into variable */ 309b7579f77SDag-Erling Smørgrav #define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ 310b7579f77SDag-Erling Smørgrav { return cfg_parse_memsize(val, &cfg->var); } 311b7579f77SDag-Erling Smørgrav /** put pow2 number into variable */ 312b7579f77SDag-Erling Smørgrav #define S_POW2(str, var) if(strcmp(opt, str)==0) \ 313b7579f77SDag-Erling Smørgrav { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } 314b7579f77SDag-Erling Smørgrav /** put string into variable */ 315b7579f77SDag-Erling Smørgrav #define S_STR(str, var) if(strcmp(opt, str)==0) \ 316b7579f77SDag-Erling Smørgrav { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } 317b7579f77SDag-Erling Smørgrav /** put string into strlist */ 318b7579f77SDag-Erling Smørgrav #define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ 319b7579f77SDag-Erling Smørgrav { return cfg_strlist_insert(&cfg->var, strdup(val)); } 320b7579f77SDag-Erling Smørgrav 321b7579f77SDag-Erling Smørgrav int config_set_option(struct config_file* cfg, const char* opt, 322b7579f77SDag-Erling Smørgrav const char* val) 323b7579f77SDag-Erling Smørgrav { 324b7579f77SDag-Erling Smørgrav S_NUMBER_OR_ZERO("verbosity:", verbosity) 325b7579f77SDag-Erling Smørgrav else if(strcmp(opt, "statistics-interval:") == 0) { 326b7579f77SDag-Erling Smørgrav if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) 327b7579f77SDag-Erling Smørgrav cfg->stat_interval = 0; 328b7579f77SDag-Erling Smørgrav else if(atoi(val) == 0) 329b7579f77SDag-Erling Smørgrav return 0; 330b7579f77SDag-Erling Smørgrav else cfg->stat_interval = atoi(val); 331b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "num_threads:") == 0) { 332b7579f77SDag-Erling Smørgrav /* not supported, library must have 1 thread in bgworker */ 333b7579f77SDag-Erling Smørgrav return 0; 334b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-permit:") == 0) { 335b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 1, 336b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 337b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { 338b7579f77SDag-Erling Smørgrav return cfg_mark_ports(val, 0, 339b7579f77SDag-Erling Smørgrav cfg->outgoing_avail_ports, 65536); 340b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-zone:") == 0) { 341b7579f77SDag-Erling Smørgrav return cfg_parse_local_zone(cfg, val); 342b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "val-override-date:") == 0) { 343b7579f77SDag-Erling Smørgrav if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { 344b7579f77SDag-Erling Smørgrav cfg->val_date_override = 0; 345b7579f77SDag-Erling Smørgrav } else if(strlen(val) == 14) { 346b7579f77SDag-Erling Smørgrav cfg->val_date_override = cfg_convert_timeval(val); 347b7579f77SDag-Erling Smørgrav return cfg->val_date_override != 0; 348b7579f77SDag-Erling Smørgrav } else { 349b7579f77SDag-Erling Smørgrav if(atoi(val) == 0) return 0; 350b7579f77SDag-Erling Smørgrav cfg->val_date_override = (uint32_t)atoi(val); 351b7579f77SDag-Erling Smørgrav } 352b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "local-data-ptr:") == 0) { 353b7579f77SDag-Erling Smørgrav char* ptr = cfg_ptr_reverse((char*)opt); 354b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_data, ptr); 355b7579f77SDag-Erling Smørgrav } else if(strcmp(opt, "logfile:") == 0) { 356b7579f77SDag-Erling Smørgrav cfg->use_syslog = 0; 357b7579f77SDag-Erling Smørgrav free(cfg->logfile); 358b7579f77SDag-Erling Smørgrav return (cfg->logfile = strdup(val)) != NULL; 359b7579f77SDag-Erling Smørgrav } 36017d15b25SDag-Erling Smørgrav else if(strcmp(opt, "log-time-ascii:") == 0) 36117d15b25SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); 36217d15b25SDag-Erling Smørgrav log_set_time_asc(cfg->log_time_ascii); } 36317d15b25SDag-Erling Smørgrav else S_SIZET_NONZERO("max-udp-size:", max_udp_size) 364b7579f77SDag-Erling Smørgrav else S_YNO("use-syslog:", use_syslog) 365b7579f77SDag-Erling Smørgrav else S_YNO("extended-statistics:", stat_extended) 366b7579f77SDag-Erling Smørgrav else S_YNO("statistics-cumulative:", stat_cumulative) 367b7579f77SDag-Erling Smørgrav else S_YNO("do-ip4:", do_ip4) 368b7579f77SDag-Erling Smørgrav else S_YNO("do-ip6:", do_ip6) 369b7579f77SDag-Erling Smørgrav else S_YNO("do-udp:", do_udp) 370b7579f77SDag-Erling Smørgrav else S_YNO("do-tcp:", do_tcp) 371b7579f77SDag-Erling Smørgrav else S_YNO("tcp-upstream:", tcp_upstream) 372b7579f77SDag-Erling Smørgrav else S_YNO("ssl-upstream:", ssl_upstream) 373b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-key:", ssl_service_key) 374b7579f77SDag-Erling Smørgrav else S_STR("ssl-service-pem:", ssl_service_pem) 375b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("ssl-port:", ssl_port) 376b7579f77SDag-Erling Smørgrav else S_YNO("interface-automatic:", if_automatic) 377b7579f77SDag-Erling Smørgrav else S_YNO("do-daemonize:", do_daemonize) 378b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("port:", port) 379b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) 380b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) 381b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) 382b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) 383b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) 384b7579f77SDag-Erling Smørgrav else S_MEMSIZE("msg-cache-size:", msg_cache_size) 385b7579f77SDag-Erling Smørgrav else S_POW2("msg-cache-slabs:", msg_cache_slabs) 386b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) 387b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) 388b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) 389b7579f77SDag-Erling Smørgrav else S_MEMSIZE("so-sndbuf:", so_sndbuf) 39017d15b25SDag-Erling Smørgrav else S_YNO("so-reuseport:", so_reuseport) 39109a3aaf3SDag-Erling Smørgrav else S_YNO("ip-transparent:", ip_transparent) 392b7579f77SDag-Erling Smørgrav else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) 393b7579f77SDag-Erling Smørgrav else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) 394b7579f77SDag-Erling Smørgrav else S_YNO("prefetch:", prefetch) 395b7579f77SDag-Erling Smørgrav else S_YNO("prefetch-key:", prefetch_key) 39617d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-ttl:") == 0) 39717d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} 39809a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "cache-max-negative-ttl:") == 0) 39909a3aaf3SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} 40017d15b25SDag-Erling Smørgrav else if(strcmp(opt, "cache-min-ttl:") == 0) 40117d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} 4026480faa8SDag-Erling Smørgrav else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { 4036480faa8SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); 4046480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; 4056480faa8SDag-Erling Smørgrav } 406b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) 407b7579f77SDag-Erling Smørgrav else S_POW2("infra-cache-slabs:", infra_cache_slabs) 408b7579f77SDag-Erling Smørgrav else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) 40917d15b25SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("delay-close:", delay_close) 410b7579f77SDag-Erling Smørgrav else S_STR("chroot:", chrootdir) 411b7579f77SDag-Erling Smørgrav else S_STR("username:", username) 412b7579f77SDag-Erling Smørgrav else S_STR("directory:", directory) 413b7579f77SDag-Erling Smørgrav else S_STR("pidfile:", pidfile) 414b7579f77SDag-Erling Smørgrav else S_YNO("hide-identity:", hide_identity) 415b7579f77SDag-Erling Smørgrav else S_YNO("hide-version:", hide_version) 416b7579f77SDag-Erling Smørgrav else S_STR("identity:", identity) 417b7579f77SDag-Erling Smørgrav else S_STR("version:", version) 418b7579f77SDag-Erling Smørgrav else S_STRLIST("root-hints:", root_hints) 419b7579f77SDag-Erling Smørgrav else S_STR("target-fetch-policy:", target_fetch_policy) 420b7579f77SDag-Erling Smørgrav else S_YNO("harden-glue:", harden_glue) 421b7579f77SDag-Erling Smørgrav else S_YNO("harden-short-bufsize:", harden_short_bufsize) 422b7579f77SDag-Erling Smørgrav else S_YNO("harden-large-queries:", harden_large_queries) 423b7579f77SDag-Erling Smørgrav else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) 424b7579f77SDag-Erling Smørgrav else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) 425b7579f77SDag-Erling Smørgrav else S_YNO("harden-referral-path:", harden_referral_path) 42609a3aaf3SDag-Erling Smørgrav else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) 427b7579f77SDag-Erling Smørgrav else S_YNO("use-caps-for-id", use_caps_bits_for_id) 42809a3aaf3SDag-Erling Smørgrav else S_STRLIST("caps-whitelist:", caps_whitelist) 429b7579f77SDag-Erling Smørgrav else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) 430b7579f77SDag-Erling Smørgrav else S_STRLIST("private-address:", private_address) 431b7579f77SDag-Erling Smørgrav else S_STRLIST("private-domain:", private_domain) 432b7579f77SDag-Erling Smørgrav else S_YNO("do-not-query-localhost:", donotquery_localhost) 433b7579f77SDag-Erling Smørgrav else S_STRLIST("do-not-query-address:", donotqueryaddrs) 434b7579f77SDag-Erling Smørgrav else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) 435b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) 436b7579f77SDag-Erling Smørgrav else S_STRLIST("trust-anchor:", trust_anchor_list) 437b7579f77SDag-Erling Smørgrav else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) 438b7579f77SDag-Erling Smørgrav else S_STR("dlv-anchor-file:", dlv_anchor_file) 439b7579f77SDag-Erling Smørgrav else S_STRLIST("dlv-anchor:", dlv_anchor_list) 440b7579f77SDag-Erling Smørgrav else S_STRLIST("domain-insecure:", domain_insecure) 441b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) 442b7579f77SDag-Erling Smørgrav else S_YNO("val-clean-additional:", val_clean_additional) 443b7579f77SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) 444b7579f77SDag-Erling Smørgrav else S_YNO("val-log-squelch:", val_log_squelch) 445b7579f77SDag-Erling Smørgrav else S_YNO("log-queries:", log_queries) 446b7579f77SDag-Erling Smørgrav else S_YNO("val-permissive-mode:", val_permissive_mode) 447b7579f77SDag-Erling Smørgrav else S_YNO("ignore-cd-flag:", ignore_cd) 448b7579f77SDag-Erling Smørgrav else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) 449b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) 450b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) 451b7579f77SDag-Erling Smørgrav else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) 452b75612f8SDag-Erling Smørgrav else if(strcmp(opt, "permit-small-holddown:") == 0) 453b75612f8SDag-Erling Smørgrav { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); 454b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = cfg->permit_small_holddown; } 455b7579f77SDag-Erling Smørgrav else S_MEMSIZE("key-cache-size:", key_cache_size) 456b7579f77SDag-Erling Smørgrav else S_POW2("key-cache-slabs:", key_cache_slabs) 457b7579f77SDag-Erling Smørgrav else S_MEMSIZE("neg-cache-size:", neg_cache_size) 458b7579f77SDag-Erling Smørgrav else S_YNO("minimal-responses:", minimal_responses) 459b7579f77SDag-Erling Smørgrav else S_YNO("rrset-roundrobin:", rrset_roundrobin) 460b7579f77SDag-Erling Smørgrav else S_STRLIST("local-data:", local_data) 461c536e4dcSDag-Erling Smørgrav else S_YNO("unblock-lan-zones:", unblock_lan_zones) 462*0de4f1bfSDag-Erling Smørgrav else S_YNO("insecure-lan-zones:", insecure_lan_zones) 463b7579f77SDag-Erling Smørgrav else S_YNO("control-enable:", remote_control_enable) 464b7579f77SDag-Erling Smørgrav else S_STRLIST("control-interface:", control_ifs) 465b7579f77SDag-Erling Smørgrav else S_NUMBER_NONZERO("control-port:", control_port) 466b7579f77SDag-Erling Smørgrav else S_STR("server-key-file:", server_key_file) 467b7579f77SDag-Erling Smørgrav else S_STR("server-cert-file:", server_cert_file) 468b7579f77SDag-Erling Smørgrav else S_STR("control-key-file:", control_key_file) 469b7579f77SDag-Erling Smørgrav else S_STR("control-cert-file:", control_cert_file) 470b7579f77SDag-Erling Smørgrav else S_STR("module-config:", module_conf) 471b7579f77SDag-Erling Smørgrav else S_STR("python-script:", python_script) 47209a3aaf3SDag-Erling Smørgrav else if(strcmp(opt, "ratelimit:") == 0) { 47309a3aaf3SDag-Erling Smørgrav IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); 47409a3aaf3SDag-Erling Smørgrav infra_dp_ratelimit=cfg->ratelimit; 47509a3aaf3SDag-Erling Smørgrav } 47609a3aaf3SDag-Erling Smørgrav else S_MEMSIZE("ratelimit-size:", ratelimit_size) 47709a3aaf3SDag-Erling Smørgrav else S_POW2("ratelimit-slabs:", ratelimit_slabs) 47809a3aaf3SDag-Erling Smørgrav else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) 47905ab2901SDag-Erling Smørgrav else S_YNO("qname-minimisation:", qname_minimisation) 48017d15b25SDag-Erling Smørgrav /* val_sig_skew_min and max are copied into val_env during init, 48117d15b25SDag-Erling Smørgrav * so this does not update val_env with set_option */ 48217d15b25SDag-Erling Smørgrav else if(strcmp(opt, "val-sig-skew-min:") == 0) 48317d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } 48417d15b25SDag-Erling Smørgrav else if(strcmp(opt, "val-sig-skew-max:") == 0) 48517d15b25SDag-Erling Smørgrav { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } 486b7579f77SDag-Erling Smørgrav else if (strcmp(opt, "outgoing-interface:") == 0) { 487b7579f77SDag-Erling Smørgrav char* d = strdup(val); 48809a3aaf3SDag-Erling Smørgrav char** oi = 48909a3aaf3SDag-Erling Smørgrav (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); 490b7579f77SDag-Erling Smørgrav if(!d || !oi) { free(d); free(oi); return -1; } 491b7579f77SDag-Erling Smørgrav if(cfg->out_ifs && cfg->num_out_ifs) { 492b7579f77SDag-Erling Smørgrav memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); 493b7579f77SDag-Erling Smørgrav free(cfg->out_ifs); 494b7579f77SDag-Erling Smørgrav } 495b7579f77SDag-Erling Smørgrav oi[cfg->num_out_ifs++] = d; 496b7579f77SDag-Erling Smørgrav cfg->out_ifs = oi; 497b7579f77SDag-Erling Smørgrav } else { 498b7579f77SDag-Erling Smørgrav /* unknown or unsupported (from the set_option interface): 499b7579f77SDag-Erling Smørgrav * interface, outgoing-interface, access-control, 500b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 501b7579f77SDag-Erling Smørgrav * forward-first, stub-first, 50209a3aaf3SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host, 50309a3aaf3SDag-Erling Smørgrav * ratelimit-for-domain, ratelimit-below-domain */ 504b7579f77SDag-Erling Smørgrav return 0; 505b7579f77SDag-Erling Smørgrav } 506b7579f77SDag-Erling Smørgrav return 1; 507b7579f77SDag-Erling Smørgrav } 508b7579f77SDag-Erling Smørgrav 509b7579f77SDag-Erling Smørgrav void config_print_func(char* line, void* arg) 510b7579f77SDag-Erling Smørgrav { 511b7579f77SDag-Erling Smørgrav FILE* f = (FILE*)arg; 512b7579f77SDag-Erling Smørgrav (void)fprintf(f, "%s\n", line); 513b7579f77SDag-Erling Smørgrav } 514b7579f77SDag-Erling Smørgrav 515b7579f77SDag-Erling Smørgrav /** collate func arg */ 516b7579f77SDag-Erling Smørgrav struct config_collate_arg { 517b7579f77SDag-Erling Smørgrav /** list of result items */ 518b7579f77SDag-Erling Smørgrav struct config_strlist_head list; 519b7579f77SDag-Erling Smørgrav /** if a malloc error occurred, 0 is OK */ 520b7579f77SDag-Erling Smørgrav int status; 521b7579f77SDag-Erling Smørgrav }; 522b7579f77SDag-Erling Smørgrav 523b7579f77SDag-Erling Smørgrav void config_collate_func(char* line, void* arg) 524b7579f77SDag-Erling Smørgrav { 525b7579f77SDag-Erling Smørgrav struct config_collate_arg* m = (struct config_collate_arg*)arg; 526b7579f77SDag-Erling Smørgrav if(m->status) 527b7579f77SDag-Erling Smørgrav return; 528b7579f77SDag-Erling Smørgrav if(!cfg_strlist_append(&m->list, strdup(line))) 529b7579f77SDag-Erling Smørgrav m->status = 1; 530b7579f77SDag-Erling Smørgrav } 531b7579f77SDag-Erling Smørgrav 532b7579f77SDag-Erling Smørgrav int config_get_option_list(struct config_file* cfg, const char* opt, 533b7579f77SDag-Erling Smørgrav struct config_strlist** list) 534b7579f77SDag-Erling Smørgrav { 535b7579f77SDag-Erling Smørgrav struct config_collate_arg m; 536b7579f77SDag-Erling Smørgrav memset(&m, 0, sizeof(m)); 537b7579f77SDag-Erling Smørgrav *list = NULL; 538b7579f77SDag-Erling Smørgrav if(!config_get_option(cfg, opt, config_collate_func, &m)) 539b7579f77SDag-Erling Smørgrav return 1; 540b7579f77SDag-Erling Smørgrav if(m.status) { 541b7579f77SDag-Erling Smørgrav config_delstrlist(m.list.first); 542b7579f77SDag-Erling Smørgrav return 2; 543b7579f77SDag-Erling Smørgrav } 544b7579f77SDag-Erling Smørgrav *list = m.list.first; 545b7579f77SDag-Erling Smørgrav return 0; 546b7579f77SDag-Erling Smørgrav } 547b7579f77SDag-Erling Smørgrav 548b7579f77SDag-Erling Smørgrav int 549b7579f77SDag-Erling Smørgrav config_get_option_collate(struct config_file* cfg, const char* opt, char** str) 550b7579f77SDag-Erling Smørgrav { 551b7579f77SDag-Erling Smørgrav struct config_strlist* list = NULL; 552b7579f77SDag-Erling Smørgrav int r; 553b7579f77SDag-Erling Smørgrav *str = NULL; 554b7579f77SDag-Erling Smørgrav if((r = config_get_option_list(cfg, opt, &list)) != 0) 555b7579f77SDag-Erling Smørgrav return r; 556b7579f77SDag-Erling Smørgrav *str = config_collate_cat(list); 557b7579f77SDag-Erling Smørgrav config_delstrlist(list); 558b7579f77SDag-Erling Smørgrav if(!*str) return 2; 559b7579f77SDag-Erling Smørgrav return 0; 560b7579f77SDag-Erling Smørgrav } 561b7579f77SDag-Erling Smørgrav 562b7579f77SDag-Erling Smørgrav char* 563b7579f77SDag-Erling Smørgrav config_collate_cat(struct config_strlist* list) 564b7579f77SDag-Erling Smørgrav { 565b7579f77SDag-Erling Smørgrav size_t total = 0, left; 566b7579f77SDag-Erling Smørgrav struct config_strlist* s; 567b7579f77SDag-Erling Smørgrav char *r, *w; 568b7579f77SDag-Erling Smørgrav if(!list) /* no elements */ 569b7579f77SDag-Erling Smørgrav return strdup(""); 570b7579f77SDag-Erling Smørgrav if(list->next == NULL) /* one element , no newline at end. */ 571b7579f77SDag-Erling Smørgrav return strdup(list->str); 572b7579f77SDag-Erling Smørgrav /* count total length */ 573b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) 574b7579f77SDag-Erling Smørgrav total += strlen(s->str) + 1; /* len + newline */ 575b7579f77SDag-Erling Smørgrav left = total+1; /* one extra for nul at end */ 576b7579f77SDag-Erling Smørgrav r = malloc(left); 577b7579f77SDag-Erling Smørgrav if(!r) 578b7579f77SDag-Erling Smørgrav return NULL; 579b7579f77SDag-Erling Smørgrav w = r; 580b7579f77SDag-Erling Smørgrav for(s=list; s; s=s->next) { 581b7579f77SDag-Erling Smørgrav size_t this = strlen(s->str); 582b7579f77SDag-Erling Smørgrav if(this+2 > left) { /* sanity check */ 583b7579f77SDag-Erling Smørgrav free(r); 584b7579f77SDag-Erling Smørgrav return NULL; 585b7579f77SDag-Erling Smørgrav } 586b7579f77SDag-Erling Smørgrav snprintf(w, left, "%s\n", s->str); 58717d15b25SDag-Erling Smørgrav this = strlen(w); 58817d15b25SDag-Erling Smørgrav w += this; 58917d15b25SDag-Erling Smørgrav left -= this; 590b7579f77SDag-Erling Smørgrav } 591b7579f77SDag-Erling Smørgrav return r; 592b7579f77SDag-Erling Smørgrav } 593b7579f77SDag-Erling Smørgrav 594b7579f77SDag-Erling Smørgrav /** compare and print decimal option */ 595b7579f77SDag-Erling Smørgrav #define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ 596b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%d", (int)cfg->var); \ 597b7579f77SDag-Erling Smørgrav func(buf, arg);} 598b7579f77SDag-Erling Smørgrav /** compare and print unsigned option */ 599b7579f77SDag-Erling Smørgrav #define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ 600b7579f77SDag-Erling Smørgrav {snprintf(buf, len, "%u", (unsigned)cfg->var); \ 601b7579f77SDag-Erling Smørgrav func(buf, arg);} 602b7579f77SDag-Erling Smørgrav /** compare and print yesno option */ 603b7579f77SDag-Erling Smørgrav #define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ 604b7579f77SDag-Erling Smørgrav {func(cfg->var?"yes":"no", arg);} 605b7579f77SDag-Erling Smørgrav /** compare and print string option */ 606b7579f77SDag-Erling Smørgrav #define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ 607b7579f77SDag-Erling Smørgrav {func(cfg->var?cfg->var:"", arg);} 608b7579f77SDag-Erling Smørgrav /** compare and print array option */ 609b7579f77SDag-Erling Smørgrav #define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ 610b7579f77SDag-Erling Smørgrav {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} 611b7579f77SDag-Erling Smørgrav /** compare and print memorysize option */ 612b7579f77SDag-Erling Smørgrav #define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ 613b7579f77SDag-Erling Smørgrav if(cfg->var > 1024*1024*1024) { \ 614b7579f77SDag-Erling Smørgrav size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ 61509a3aaf3SDag-Erling Smørgrav snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ 61609a3aaf3SDag-Erling Smørgrav } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ 617b7579f77SDag-Erling Smørgrav func(buf, arg);} 618b7579f77SDag-Erling Smørgrav /** compare and print list option */ 619b7579f77SDag-Erling Smørgrav #define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ 620b7579f77SDag-Erling Smørgrav struct config_strlist* p = cfg->lst; \ 621b7579f77SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) \ 622b7579f77SDag-Erling Smørgrav func(p->str, arg); \ 623b7579f77SDag-Erling Smørgrav } 624b7579f77SDag-Erling Smørgrav /** compare and print list option */ 625b7579f77SDag-Erling Smørgrav #define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ 626b7579f77SDag-Erling Smørgrav struct config_str2list* p = cfg->lst; \ 627b7579f77SDag-Erling Smørgrav for(p = cfg->lst; p; p = p->next) \ 628b7579f77SDag-Erling Smørgrav snprintf(buf, len, "%s %s\n", p->str, p->str2); \ 629b7579f77SDag-Erling Smørgrav func(buf, arg); \ 630b7579f77SDag-Erling Smørgrav } 631b7579f77SDag-Erling Smørgrav 632b7579f77SDag-Erling Smørgrav int 633b7579f77SDag-Erling Smørgrav config_get_option(struct config_file* cfg, const char* opt, 634b7579f77SDag-Erling Smørgrav void (*func)(char*,void*), void* arg) 635b7579f77SDag-Erling Smørgrav { 636b7579f77SDag-Erling Smørgrav char buf[1024]; 637b7579f77SDag-Erling Smørgrav size_t len = sizeof(buf); 638b7579f77SDag-Erling Smørgrav fptr_ok(fptr_whitelist_print_func(func)); 639b7579f77SDag-Erling Smørgrav O_DEC(opt, "verbosity", verbosity) 640b7579f77SDag-Erling Smørgrav else O_DEC(opt, "statistics-interval", stat_interval) 641b7579f77SDag-Erling Smørgrav else O_YNO(opt, "statistics-cumulative", stat_cumulative) 642b7579f77SDag-Erling Smørgrav else O_YNO(opt, "extended-statistics", stat_extended) 643b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-syslog", use_syslog) 64417d15b25SDag-Erling Smørgrav else O_YNO(opt, "log-time-ascii", log_time_ascii) 645b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-threads", num_threads) 646b7579f77SDag-Erling Smørgrav else O_IFC(opt, "interface", num_ifs, ifs) 647b7579f77SDag-Erling Smørgrav else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) 648b7579f77SDag-Erling Smørgrav else O_YNO(opt, "interface-automatic", if_automatic) 649b7579f77SDag-Erling Smørgrav else O_DEC(opt, "port", port) 650b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-range", outgoing_num_ports) 651b7579f77SDag-Erling Smørgrav else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) 652b7579f77SDag-Erling Smørgrav else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) 653b7579f77SDag-Erling Smørgrav else O_DEC(opt, "edns-buffer-size", edns_buffer_size) 654b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-buffer-size", msg_buffer_size) 655b7579f77SDag-Erling Smørgrav else O_MEM(opt, "msg-cache-size", msg_cache_size) 656b7579f77SDag-Erling Smørgrav else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) 657b7579f77SDag-Erling Smørgrav else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) 658b7579f77SDag-Erling Smørgrav else O_UNS(opt, "jostle-timeout", jostle_time) 659b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-rcvbuf", so_rcvbuf) 660b7579f77SDag-Erling Smørgrav else O_MEM(opt, "so-sndbuf", so_sndbuf) 66117d15b25SDag-Erling Smørgrav else O_YNO(opt, "so-reuseport", so_reuseport) 66209a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "ip-transparent", ip_transparent) 663b7579f77SDag-Erling Smørgrav else O_MEM(opt, "rrset-cache-size", rrset_cache_size) 664b7579f77SDag-Erling Smørgrav else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) 665b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch-key", prefetch_key) 666b7579f77SDag-Erling Smørgrav else O_YNO(opt, "prefetch", prefetch) 667b7579f77SDag-Erling Smørgrav else O_DEC(opt, "cache-max-ttl", max_ttl) 66809a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) 66917d15b25SDag-Erling Smørgrav else O_DEC(opt, "cache-min-ttl", min_ttl) 670b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-host-ttl", host_ttl) 671b7579f77SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) 6726480faa8SDag-Erling Smørgrav else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) 673b7579f77SDag-Erling Smørgrav else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) 67417d15b25SDag-Erling Smørgrav else O_UNS(opt, "delay-close", delay_close) 675b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip4", do_ip4) 676b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-ip6", do_ip6) 677b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-udp", do_udp) 678b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-tcp", do_tcp) 679b7579f77SDag-Erling Smørgrav else O_YNO(opt, "tcp-upstream", tcp_upstream) 680b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ssl-upstream", ssl_upstream) 681b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-key", ssl_service_key) 682b7579f77SDag-Erling Smørgrav else O_STR(opt, "ssl-service-pem", ssl_service_pem) 683b7579f77SDag-Erling Smørgrav else O_DEC(opt, "ssl-port", ssl_port) 684b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-daemonize", do_daemonize) 685b7579f77SDag-Erling Smørgrav else O_STR(opt, "chroot", chrootdir) 686b7579f77SDag-Erling Smørgrav else O_STR(opt, "username", username) 687b7579f77SDag-Erling Smørgrav else O_STR(opt, "directory", directory) 688b7579f77SDag-Erling Smørgrav else O_STR(opt, "logfile", logfile) 689b7579f77SDag-Erling Smørgrav else O_YNO(opt, "log-queries", log_queries) 690b7579f77SDag-Erling Smørgrav else O_STR(opt, "pidfile", pidfile) 691b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-identity", hide_identity) 692b7579f77SDag-Erling Smørgrav else O_YNO(opt, "hide-version", hide_version) 693b7579f77SDag-Erling Smørgrav else O_STR(opt, "identity", identity) 694b7579f77SDag-Erling Smørgrav else O_STR(opt, "version", version) 695b7579f77SDag-Erling Smørgrav else O_STR(opt, "target-fetch-policy", target_fetch_policy) 696b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) 697b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-large-queries", harden_large_queries) 698b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-glue", harden_glue) 699b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) 700b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) 701b7579f77SDag-Erling Smørgrav else O_YNO(opt, "harden-referral-path", harden_referral_path) 70209a3aaf3SDag-Erling Smørgrav else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) 703b7579f77SDag-Erling Smørgrav else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) 70409a3aaf3SDag-Erling Smørgrav else O_LST(opt, "caps-whitelist", caps_whitelist) 705b7579f77SDag-Erling Smørgrav else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) 706b7579f77SDag-Erling Smørgrav else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) 707b7579f77SDag-Erling Smørgrav else O_STR(opt, "module-config", module_conf) 708b7579f77SDag-Erling Smørgrav else O_STR(opt, "dlv-anchor-file", dlv_anchor_file) 709b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-bogus-ttl", bogus_ttl) 710b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-clean-additional", val_clean_additional) 711b7579f77SDag-Erling Smørgrav else O_DEC(opt, "val-log-level", val_log_level) 712b7579f77SDag-Erling Smørgrav else O_YNO(opt, "val-permissive-mode", val_permissive_mode) 713b7579f77SDag-Erling Smørgrav else O_YNO(opt, "ignore-cd-flag", ignore_cd) 714b7579f77SDag-Erling Smørgrav else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) 715b7579f77SDag-Erling Smørgrav else O_UNS(opt, "add-holddown", add_holddown) 716b7579f77SDag-Erling Smørgrav else O_UNS(opt, "del-holddown", del_holddown) 717b7579f77SDag-Erling Smørgrav else O_UNS(opt, "keep-missing", keep_missing) 718b75612f8SDag-Erling Smørgrav else O_YNO(opt, "permit-small-holddown", permit_small_holddown) 719b7579f77SDag-Erling Smørgrav else O_MEM(opt, "key-cache-size", key_cache_size) 720b7579f77SDag-Erling Smørgrav else O_DEC(opt, "key-cache-slabs", key_cache_slabs) 721b7579f77SDag-Erling Smørgrav else O_MEM(opt, "neg-cache-size", neg_cache_size) 722b7579f77SDag-Erling Smørgrav else O_YNO(opt, "control-enable", remote_control_enable) 723b7579f77SDag-Erling Smørgrav else O_DEC(opt, "control-port", control_port) 724b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-key-file", server_key_file) 725b7579f77SDag-Erling Smørgrav else O_STR(opt, "server-cert-file", server_cert_file) 726b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-key-file", control_key_file) 727b7579f77SDag-Erling Smørgrav else O_STR(opt, "control-cert-file", control_cert_file) 728b7579f77SDag-Erling Smørgrav else O_LST(opt, "root-hints", root_hints) 729b7579f77SDag-Erling Smørgrav else O_LS2(opt, "access-control", acls) 730b7579f77SDag-Erling Smørgrav else O_LST(opt, "do-not-query-address", donotqueryaddrs) 731b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-address", private_address) 732b7579f77SDag-Erling Smørgrav else O_LST(opt, "private-domain", private_domain) 733b7579f77SDag-Erling Smørgrav else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) 734b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) 735b7579f77SDag-Erling Smørgrav else O_LST(opt, "trust-anchor", trust_anchor_list) 736b7579f77SDag-Erling Smørgrav else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) 737b7579f77SDag-Erling Smørgrav else O_LST(opt, "dlv-anchor", dlv_anchor_list) 738b7579f77SDag-Erling Smørgrav else O_LST(opt, "control-interface", control_ifs) 739b7579f77SDag-Erling Smørgrav else O_LST(opt, "domain-insecure", domain_insecure) 740b7579f77SDag-Erling Smørgrav else O_UNS(opt, "val-override-date", val_date_override) 741b7579f77SDag-Erling Smørgrav else O_YNO(opt, "minimal-responses", minimal_responses) 742b7579f77SDag-Erling Smørgrav else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) 743c536e4dcSDag-Erling Smørgrav else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) 744*0de4f1bfSDag-Erling Smørgrav else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) 74517d15b25SDag-Erling Smørgrav else O_DEC(opt, "max-udp-size", max_udp_size) 74617d15b25SDag-Erling Smørgrav else O_STR(opt, "python-script", python_script) 74709a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit", ratelimit) 74809a3aaf3SDag-Erling Smørgrav else O_MEM(opt, "ratelimit-size", ratelimit_size) 74909a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) 75009a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) 75109a3aaf3SDag-Erling Smørgrav else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) 75209a3aaf3SDag-Erling Smørgrav else O_DEC(opt, "ratelimit-factor", ratelimit_factor) 75317d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) 75417d15b25SDag-Erling Smørgrav else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) 75505ab2901SDag-Erling Smørgrav else O_YNO(opt, "qname-minimisation", qname_minimisation) 756b7579f77SDag-Erling Smørgrav /* not here: 757b7579f77SDag-Erling Smørgrav * outgoing-permit, outgoing-avoid - have list of ports 758b7579f77SDag-Erling Smørgrav * local-zone - zones and nodefault variables 759b7579f77SDag-Erling Smørgrav * local-data - see below 760b7579f77SDag-Erling Smørgrav * local-data-ptr - converted to local-data entries 761b7579f77SDag-Erling Smørgrav * stub-zone, name, stub-addr, stub-host, stub-prime 762b7579f77SDag-Erling Smørgrav * forward-zone, name, forward-addr, forward-host 763b7579f77SDag-Erling Smørgrav */ 764b7579f77SDag-Erling Smørgrav else return 0; 765b7579f77SDag-Erling Smørgrav return 1; 766b7579f77SDag-Erling Smørgrav } 767b7579f77SDag-Erling Smørgrav 768b7579f77SDag-Erling Smørgrav /** initialize the global cfg_parser object */ 769b7579f77SDag-Erling Smørgrav static void 770b7579f77SDag-Erling Smørgrav create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) 771b7579f77SDag-Erling Smørgrav { 772b7579f77SDag-Erling Smørgrav static struct config_parser_state st; 773b7579f77SDag-Erling Smørgrav cfg_parser = &st; 774b7579f77SDag-Erling Smørgrav cfg_parser->filename = filename; 775b7579f77SDag-Erling Smørgrav cfg_parser->line = 1; 776b7579f77SDag-Erling Smørgrav cfg_parser->errors = 0; 777b7579f77SDag-Erling Smørgrav cfg_parser->cfg = cfg; 778b7579f77SDag-Erling Smørgrav cfg_parser->chroot = chroot; 77917d15b25SDag-Erling Smørgrav init_cfg_parse(); 780b7579f77SDag-Erling Smørgrav } 781b7579f77SDag-Erling Smørgrav 782b7579f77SDag-Erling Smørgrav int 783b7579f77SDag-Erling Smørgrav config_read(struct config_file* cfg, const char* filename, const char* chroot) 784b7579f77SDag-Erling Smørgrav { 785b7579f77SDag-Erling Smørgrav FILE *in; 786b7579f77SDag-Erling Smørgrav char *fname = (char*)filename; 7878ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 7888ed2b524SDag-Erling Smørgrav glob_t g; 7898ed2b524SDag-Erling Smørgrav size_t i; 7908ed2b524SDag-Erling Smørgrav int r, flags; 7918ed2b524SDag-Erling Smørgrav #endif 792b7579f77SDag-Erling Smørgrav if(!fname) 793b7579f77SDag-Erling Smørgrav return 1; 7948ed2b524SDag-Erling Smørgrav 7958ed2b524SDag-Erling Smørgrav /* check for wildcards */ 7968ed2b524SDag-Erling Smørgrav #ifdef HAVE_GLOB 7978ed2b524SDag-Erling Smørgrav if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && 7988ed2b524SDag-Erling Smørgrav !strchr(fname, '{') && !strchr(fname, '~'))) { 7998ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "wildcard found, processing %s", fname); 8008ed2b524SDag-Erling Smørgrav flags = 0 8018ed2b524SDag-Erling Smørgrav #ifdef GLOB_ERR 8028ed2b524SDag-Erling Smørgrav | GLOB_ERR 8038ed2b524SDag-Erling Smørgrav #endif 8048ed2b524SDag-Erling Smørgrav #ifdef GLOB_NOSORT 8058ed2b524SDag-Erling Smørgrav | GLOB_NOSORT 8068ed2b524SDag-Erling Smørgrav #endif 8078ed2b524SDag-Erling Smørgrav #ifdef GLOB_BRACE 8088ed2b524SDag-Erling Smørgrav | GLOB_BRACE 8098ed2b524SDag-Erling Smørgrav #endif 8108ed2b524SDag-Erling Smørgrav #ifdef GLOB_TILDE 8118ed2b524SDag-Erling Smørgrav | GLOB_TILDE 8128ed2b524SDag-Erling Smørgrav #endif 8138ed2b524SDag-Erling Smørgrav ; 8148ed2b524SDag-Erling Smørgrav memset(&g, 0, sizeof(g)); 8158ed2b524SDag-Erling Smørgrav r = glob(fname, flags, NULL, &g); 8168ed2b524SDag-Erling Smørgrav if(r) { 8178ed2b524SDag-Erling Smørgrav /* some error */ 8188ed2b524SDag-Erling Smørgrav globfree(&g); 8198ed2b524SDag-Erling Smørgrav if(r == GLOB_NOMATCH) { 8208ed2b524SDag-Erling Smørgrav verbose(VERB_QUERY, "include: " 8218ed2b524SDag-Erling Smørgrav "no matches for %s", fname); 8228ed2b524SDag-Erling Smørgrav return 1; 8238ed2b524SDag-Erling Smørgrav } else if(r == GLOB_NOSPACE) { 8248ed2b524SDag-Erling Smørgrav log_err("include: %s: " 8258ed2b524SDag-Erling Smørgrav "fnametern out of memory", fname); 8268ed2b524SDag-Erling Smørgrav } else if(r == GLOB_ABORTED) { 8278ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8288ed2b524SDag-Erling Smørgrav "aborted (%s)", fname, strerror(errno)); 8298ed2b524SDag-Erling Smørgrav } else { 8308ed2b524SDag-Erling Smørgrav log_err("wildcard include: %s: expansion " 8318ed2b524SDag-Erling Smørgrav "failed (%s)", fname, strerror(errno)); 8328ed2b524SDag-Erling Smørgrav } 8338ed2b524SDag-Erling Smørgrav /* ignore globs that yield no files */ 8348ed2b524SDag-Erling Smørgrav return 1; 8358ed2b524SDag-Erling Smørgrav } 8368ed2b524SDag-Erling Smørgrav /* process files found, if any */ 8378ed2b524SDag-Erling Smørgrav for(i=0; i<(size_t)g.gl_pathc; i++) { 8388ed2b524SDag-Erling Smørgrav if(!config_read(cfg, g.gl_pathv[i], chroot)) { 8398ed2b524SDag-Erling Smørgrav log_err("error reading wildcard " 8408ed2b524SDag-Erling Smørgrav "include: %s", g.gl_pathv[i]); 8418ed2b524SDag-Erling Smørgrav globfree(&g); 8428ed2b524SDag-Erling Smørgrav return 0; 8438ed2b524SDag-Erling Smørgrav } 8448ed2b524SDag-Erling Smørgrav } 8458ed2b524SDag-Erling Smørgrav globfree(&g); 8468ed2b524SDag-Erling Smørgrav return 1; 8478ed2b524SDag-Erling Smørgrav } 8488ed2b524SDag-Erling Smørgrav #endif /* HAVE_GLOB */ 8498ed2b524SDag-Erling Smørgrav 850b7579f77SDag-Erling Smørgrav in = fopen(fname, "r"); 851b7579f77SDag-Erling Smørgrav if(!in) { 852b7579f77SDag-Erling Smørgrav log_err("Could not open %s: %s", fname, strerror(errno)); 853b7579f77SDag-Erling Smørgrav return 0; 854b7579f77SDag-Erling Smørgrav } 855b7579f77SDag-Erling Smørgrav create_cfg_parser(cfg, fname, chroot); 856b7579f77SDag-Erling Smørgrav ub_c_in = in; 857b7579f77SDag-Erling Smørgrav ub_c_parse(); 858b7579f77SDag-Erling Smørgrav fclose(in); 859b7579f77SDag-Erling Smørgrav 860b7579f77SDag-Erling Smørgrav if(cfg_parser->errors != 0) { 861b7579f77SDag-Erling Smørgrav fprintf(stderr, "read %s failed: %d errors in configuration file\n", 862ff825849SDag-Erling Smørgrav fname, cfg_parser->errors); 863b7579f77SDag-Erling Smørgrav errno=EINVAL; 864b7579f77SDag-Erling Smørgrav return 0; 865b7579f77SDag-Erling Smørgrav } 86631099b50SDag-Erling Smørgrav 867b7579f77SDag-Erling Smørgrav return 1; 868b7579f77SDag-Erling Smørgrav } 869b7579f77SDag-Erling Smørgrav 870b7579f77SDag-Erling Smørgrav void 871b7579f77SDag-Erling Smørgrav config_delstrlist(struct config_strlist* p) 872b7579f77SDag-Erling Smørgrav { 873b7579f77SDag-Erling Smørgrav struct config_strlist *np; 874b7579f77SDag-Erling Smørgrav while(p) { 875b7579f77SDag-Erling Smørgrav np = p->next; 876b7579f77SDag-Erling Smørgrav free(p->str); 877b7579f77SDag-Erling Smørgrav free(p); 878b7579f77SDag-Erling Smørgrav p = np; 879b7579f77SDag-Erling Smørgrav } 880b7579f77SDag-Erling Smørgrav } 881b7579f77SDag-Erling Smørgrav 882b7579f77SDag-Erling Smørgrav void 883b7579f77SDag-Erling Smørgrav config_deldblstrlist(struct config_str2list* p) 884b7579f77SDag-Erling Smørgrav { 885b7579f77SDag-Erling Smørgrav struct config_str2list *np; 886b7579f77SDag-Erling Smørgrav while(p) { 887b7579f77SDag-Erling Smørgrav np = p->next; 888b7579f77SDag-Erling Smørgrav free(p->str); 889b7579f77SDag-Erling Smørgrav free(p->str2); 890b7579f77SDag-Erling Smørgrav free(p); 891b7579f77SDag-Erling Smørgrav p = np; 892b7579f77SDag-Erling Smørgrav } 893b7579f77SDag-Erling Smørgrav } 894b7579f77SDag-Erling Smørgrav 895b7579f77SDag-Erling Smørgrav void 896b7579f77SDag-Erling Smørgrav config_delstubs(struct config_stub* p) 897b7579f77SDag-Erling Smørgrav { 898b7579f77SDag-Erling Smørgrav struct config_stub* np; 899b7579f77SDag-Erling Smørgrav while(p) { 900b7579f77SDag-Erling Smørgrav np = p->next; 901b7579f77SDag-Erling Smørgrav free(p->name); 902b7579f77SDag-Erling Smørgrav config_delstrlist(p->hosts); 903b7579f77SDag-Erling Smørgrav config_delstrlist(p->addrs); 904b7579f77SDag-Erling Smørgrav free(p); 905b7579f77SDag-Erling Smørgrav p = np; 906b7579f77SDag-Erling Smørgrav } 907b7579f77SDag-Erling Smørgrav } 908b7579f77SDag-Erling Smørgrav 909b7579f77SDag-Erling Smørgrav void 910b7579f77SDag-Erling Smørgrav config_delete(struct config_file* cfg) 911b7579f77SDag-Erling Smørgrav { 912b7579f77SDag-Erling Smørgrav if(!cfg) return; 913b7579f77SDag-Erling Smørgrav free(cfg->username); 914b7579f77SDag-Erling Smørgrav free(cfg->chrootdir); 915b7579f77SDag-Erling Smørgrav free(cfg->directory); 916b7579f77SDag-Erling Smørgrav free(cfg->logfile); 917b7579f77SDag-Erling Smørgrav free(cfg->pidfile); 918b7579f77SDag-Erling Smørgrav free(cfg->target_fetch_policy); 919b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_key); 920b7579f77SDag-Erling Smørgrav free(cfg->ssl_service_pem); 921b7579f77SDag-Erling Smørgrav if(cfg->ifs) { 922b7579f77SDag-Erling Smørgrav int i; 923b7579f77SDag-Erling Smørgrav for(i=0; i<cfg->num_ifs; i++) 924b7579f77SDag-Erling Smørgrav free(cfg->ifs[i]); 925b7579f77SDag-Erling Smørgrav free(cfg->ifs); 926b7579f77SDag-Erling Smørgrav } 927b7579f77SDag-Erling Smørgrav if(cfg->out_ifs) { 928b7579f77SDag-Erling Smørgrav int i; 929b7579f77SDag-Erling Smørgrav for(i=0; i<cfg->num_out_ifs; i++) 930b7579f77SDag-Erling Smørgrav free(cfg->out_ifs[i]); 931b7579f77SDag-Erling Smørgrav free(cfg->out_ifs); 932b7579f77SDag-Erling Smørgrav } 933b7579f77SDag-Erling Smørgrav config_delstubs(cfg->stubs); 934b7579f77SDag-Erling Smørgrav config_delstubs(cfg->forwards); 935b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->donotqueryaddrs); 936b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->root_hints); 937b7579f77SDag-Erling Smørgrav free(cfg->identity); 938b7579f77SDag-Erling Smørgrav free(cfg->version); 939b7579f77SDag-Erling Smørgrav free(cfg->module_conf); 940b7579f77SDag-Erling Smørgrav free(cfg->outgoing_avail_ports); 94109a3aaf3SDag-Erling Smørgrav config_delstrlist(cfg->caps_whitelist); 942b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_address); 943b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->private_domain); 944b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->auto_trust_anchor_file_list); 945b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_file_list); 946b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trusted_keys_file_list); 947b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->trust_anchor_list); 948b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->domain_insecure); 949b7579f77SDag-Erling Smørgrav free(cfg->dlv_anchor_file); 950b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->dlv_anchor_list); 951b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->acls); 952b7579f77SDag-Erling Smørgrav free(cfg->val_nsec3_key_iterations); 953b7579f77SDag-Erling Smørgrav config_deldblstrlist(cfg->local_zones); 954b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_zones_nodefault); 955b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->local_data); 956b7579f77SDag-Erling Smørgrav config_delstrlist(cfg->control_ifs); 957b7579f77SDag-Erling Smørgrav free(cfg->server_key_file); 958b7579f77SDag-Erling Smørgrav free(cfg->server_cert_file); 959b7579f77SDag-Erling Smørgrav free(cfg->control_key_file); 960b7579f77SDag-Erling Smørgrav free(cfg->control_cert_file); 96109a3aaf3SDag-Erling Smørgrav free(cfg->dns64_prefix); 962ff825849SDag-Erling Smørgrav free(cfg->dnstap_socket_path); 963ff825849SDag-Erling Smørgrav free(cfg->dnstap_identity); 964ff825849SDag-Erling Smørgrav free(cfg->dnstap_version); 96509a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_for_domain); 96609a3aaf3SDag-Erling Smørgrav config_deldblstrlist(cfg->ratelimit_below_domain); 967b7579f77SDag-Erling Smørgrav free(cfg); 968b7579f77SDag-Erling Smørgrav } 969b7579f77SDag-Erling Smørgrav 970b7579f77SDag-Erling Smørgrav static void 971b7579f77SDag-Erling Smørgrav init_outgoing_availports(int* a, int num) 972b7579f77SDag-Erling Smørgrav { 973b7579f77SDag-Erling Smørgrav /* generated with make iana_update */ 974b7579f77SDag-Erling Smørgrav const int iana_assigned[] = { 975b7579f77SDag-Erling Smørgrav #include "util/iana_ports.inc" 976b7579f77SDag-Erling Smørgrav -1 }; /* end marker to put behind trailing comma */ 977b7579f77SDag-Erling Smørgrav 978b7579f77SDag-Erling Smørgrav int i; 979b7579f77SDag-Erling Smørgrav /* do not use <1024, that could be trouble with the system, privs */ 980b7579f77SDag-Erling Smørgrav for(i=1024; i<num; i++) { 981b7579f77SDag-Erling Smørgrav a[i] = i; 982b7579f77SDag-Erling Smørgrav } 983b7579f77SDag-Erling Smørgrav /* create empty spot at 49152 to keep ephemeral ports available 984b7579f77SDag-Erling Smørgrav * to other programs */ 985b7579f77SDag-Erling Smørgrav for(i=49152; i<49152+256; i++) 986b7579f77SDag-Erling Smørgrav a[i] = 0; 987b7579f77SDag-Erling Smørgrav /* pick out all the IANA assigned ports */ 988b7579f77SDag-Erling Smørgrav for(i=0; iana_assigned[i]!=-1; i++) { 989b7579f77SDag-Erling Smørgrav if(iana_assigned[i] < num) 990b7579f77SDag-Erling Smørgrav a[iana_assigned[i]] = 0; 991b7579f77SDag-Erling Smørgrav } 992b7579f77SDag-Erling Smørgrav } 993b7579f77SDag-Erling Smørgrav 994b7579f77SDag-Erling Smørgrav int 995b7579f77SDag-Erling Smørgrav cfg_mark_ports(const char* str, int allow, int* avail, int num) 996b7579f77SDag-Erling Smørgrav { 997b7579f77SDag-Erling Smørgrav char* mid = strchr(str, '-'); 998b7579f77SDag-Erling Smørgrav if(!mid) { 999b7579f77SDag-Erling Smørgrav int port = atoi(str); 1000b7579f77SDag-Erling Smørgrav if(port == 0 && strcmp(str, "0") != 0) { 1001b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1002b7579f77SDag-Erling Smørgrav return 0; 1003b7579f77SDag-Erling Smørgrav } 1004b7579f77SDag-Erling Smørgrav if(port < num) 1005b7579f77SDag-Erling Smørgrav avail[port] = (allow?port:0); 1006b7579f77SDag-Erling Smørgrav } else { 1007b7579f77SDag-Erling Smørgrav int i, low, high = atoi(mid+1); 1008b7579f77SDag-Erling Smørgrav char buf[16]; 1009b7579f77SDag-Erling Smørgrav if(high == 0 && strcmp(mid+1, "0") != 0) { 1010b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", mid+1); 1011b7579f77SDag-Erling Smørgrav return 0; 1012b7579f77SDag-Erling Smørgrav } 1013b7579f77SDag-Erling Smørgrav if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { 1014b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", str); 1015b7579f77SDag-Erling Smørgrav return 0; 1016b7579f77SDag-Erling Smørgrav } 1017b7579f77SDag-Erling Smørgrav if(mid > str) 1018b7579f77SDag-Erling Smørgrav memcpy(buf, str, (size_t)(mid-str)); 1019b7579f77SDag-Erling Smørgrav buf[mid-str] = 0; 1020b7579f77SDag-Erling Smørgrav low = atoi(buf); 1021b7579f77SDag-Erling Smørgrav if(low == 0 && strcmp(buf, "0") != 0) { 1022b7579f77SDag-Erling Smørgrav log_err("cannot parse port number '%s'", buf); 1023b7579f77SDag-Erling Smørgrav return 0; 1024b7579f77SDag-Erling Smørgrav } 1025b7579f77SDag-Erling Smørgrav for(i=low; i<=high; i++) { 1026b7579f77SDag-Erling Smørgrav if(i < num) 1027b7579f77SDag-Erling Smørgrav avail[i] = (allow?i:0); 1028b7579f77SDag-Erling Smørgrav } 1029b7579f77SDag-Erling Smørgrav return 1; 1030b7579f77SDag-Erling Smørgrav } 1031b7579f77SDag-Erling Smørgrav return 1; 1032b7579f77SDag-Erling Smørgrav } 1033b7579f77SDag-Erling Smørgrav 1034b7579f77SDag-Erling Smørgrav int 1035b7579f77SDag-Erling Smørgrav cfg_scan_ports(int* avail, int num) 1036b7579f77SDag-Erling Smørgrav { 1037b7579f77SDag-Erling Smørgrav int i; 1038b7579f77SDag-Erling Smørgrav int count = 0; 1039b7579f77SDag-Erling Smørgrav for(i=0; i<num; i++) { 1040b7579f77SDag-Erling Smørgrav if(avail[i]) 1041b7579f77SDag-Erling Smørgrav count++; 1042b7579f77SDag-Erling Smørgrav } 1043b7579f77SDag-Erling Smørgrav return count; 1044b7579f77SDag-Erling Smørgrav } 1045b7579f77SDag-Erling Smørgrav 1046b7579f77SDag-Erling Smørgrav int cfg_condense_ports(struct config_file* cfg, int** avail) 1047b7579f77SDag-Erling Smørgrav { 1048b7579f77SDag-Erling Smørgrav int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); 1049b7579f77SDag-Erling Smørgrav int i, at = 0; 1050b7579f77SDag-Erling Smørgrav *avail = NULL; 1051b7579f77SDag-Erling Smørgrav if(num == 0) 1052b7579f77SDag-Erling Smørgrav return 0; 105309a3aaf3SDag-Erling Smørgrav *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); 1054b7579f77SDag-Erling Smørgrav if(!*avail) 1055b7579f77SDag-Erling Smørgrav return 0; 1056b7579f77SDag-Erling Smørgrav for(i=0; i<65536; i++) { 1057b7579f77SDag-Erling Smørgrav if(cfg->outgoing_avail_ports[i]) 1058b7579f77SDag-Erling Smørgrav (*avail)[at++] = cfg->outgoing_avail_ports[i]; 1059b7579f77SDag-Erling Smørgrav } 1060b7579f77SDag-Erling Smørgrav log_assert(at == num); 1061b7579f77SDag-Erling Smørgrav return num; 1062b7579f77SDag-Erling Smørgrav } 1063b7579f77SDag-Erling Smørgrav 1064b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1065b7579f77SDag-Erling Smørgrav static void ub_c_error_va_list(const char *fmt, va_list args) 1066b7579f77SDag-Erling Smørgrav { 1067b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1068b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, 1069b7579f77SDag-Erling Smørgrav cfg_parser->line); 1070b7579f77SDag-Erling Smørgrav vfprintf(stderr, fmt, args); 1071b7579f77SDag-Erling Smørgrav fprintf(stderr, "\n"); 1072b7579f77SDag-Erling Smørgrav } 1073b7579f77SDag-Erling Smørgrav 1074b7579f77SDag-Erling Smørgrav /** print error with file and line number */ 1075b7579f77SDag-Erling Smørgrav void ub_c_error_msg(const char* fmt, ...) 1076b7579f77SDag-Erling Smørgrav { 1077b7579f77SDag-Erling Smørgrav va_list args; 1078b7579f77SDag-Erling Smørgrav va_start(args, fmt); 1079b7579f77SDag-Erling Smørgrav ub_c_error_va_list(fmt, args); 1080b7579f77SDag-Erling Smørgrav va_end(args); 1081b7579f77SDag-Erling Smørgrav } 1082b7579f77SDag-Erling Smørgrav 1083b7579f77SDag-Erling Smørgrav void ub_c_error(const char *str) 1084b7579f77SDag-Erling Smørgrav { 1085b7579f77SDag-Erling Smørgrav cfg_parser->errors++; 1086b7579f77SDag-Erling Smørgrav fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, 1087b7579f77SDag-Erling Smørgrav cfg_parser->line, str); 1088b7579f77SDag-Erling Smørgrav } 1089b7579f77SDag-Erling Smørgrav 1090b7579f77SDag-Erling Smørgrav int ub_c_wrap(void) 1091b7579f77SDag-Erling Smørgrav { 1092b7579f77SDag-Erling Smørgrav return 1; 1093b7579f77SDag-Erling Smørgrav } 1094b7579f77SDag-Erling Smørgrav 1095b7579f77SDag-Erling Smørgrav int cfg_strlist_append(struct config_strlist_head* list, char* item) 1096b7579f77SDag-Erling Smørgrav { 1097b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1098b7579f77SDag-Erling Smørgrav if(!item || !list) 1099b7579f77SDag-Erling Smørgrav return 0; 1100b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1101b7579f77SDag-Erling Smørgrav if(!s) 1102b7579f77SDag-Erling Smørgrav return 0; 1103b7579f77SDag-Erling Smørgrav s->str = item; 1104b7579f77SDag-Erling Smørgrav s->next = NULL; 1105b7579f77SDag-Erling Smørgrav if(list->last) 1106b7579f77SDag-Erling Smørgrav list->last->next = s; 1107b7579f77SDag-Erling Smørgrav else 1108b7579f77SDag-Erling Smørgrav list->first = s; 1109b7579f77SDag-Erling Smørgrav list->last = s; 1110b7579f77SDag-Erling Smørgrav return 1; 1111b7579f77SDag-Erling Smørgrav } 1112b7579f77SDag-Erling Smørgrav 1113b7579f77SDag-Erling Smørgrav int 1114b7579f77SDag-Erling Smørgrav cfg_strlist_insert(struct config_strlist** head, char* item) 1115b7579f77SDag-Erling Smørgrav { 1116b7579f77SDag-Erling Smørgrav struct config_strlist *s; 1117b7579f77SDag-Erling Smørgrav if(!item || !head) 1118b7579f77SDag-Erling Smørgrav return 0; 1119b7579f77SDag-Erling Smørgrav s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); 1120b7579f77SDag-Erling Smørgrav if(!s) 1121b7579f77SDag-Erling Smørgrav return 0; 1122b7579f77SDag-Erling Smørgrav s->str = item; 1123b7579f77SDag-Erling Smørgrav s->next = *head; 1124b7579f77SDag-Erling Smørgrav *head = s; 1125b7579f77SDag-Erling Smørgrav return 1; 1126b7579f77SDag-Erling Smørgrav } 1127b7579f77SDag-Erling Smørgrav 1128b7579f77SDag-Erling Smørgrav int 1129b7579f77SDag-Erling Smørgrav cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) 1130b7579f77SDag-Erling Smørgrav { 1131b7579f77SDag-Erling Smørgrav struct config_str2list *s; 1132b7579f77SDag-Erling Smørgrav if(!item || !i2 || !head) 1133b7579f77SDag-Erling Smørgrav return 0; 1134b7579f77SDag-Erling Smørgrav s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); 1135b7579f77SDag-Erling Smørgrav if(!s) 1136b7579f77SDag-Erling Smørgrav return 0; 1137b7579f77SDag-Erling Smørgrav s->str = item; 1138b7579f77SDag-Erling Smørgrav s->str2 = i2; 1139b7579f77SDag-Erling Smørgrav s->next = *head; 1140b7579f77SDag-Erling Smørgrav *head = s; 1141b7579f77SDag-Erling Smørgrav return 1; 1142b7579f77SDag-Erling Smørgrav } 1143b7579f77SDag-Erling Smørgrav 114417d15b25SDag-Erling Smørgrav time_t 1145b7579f77SDag-Erling Smørgrav cfg_convert_timeval(const char* str) 1146b7579f77SDag-Erling Smørgrav { 114717d15b25SDag-Erling Smørgrav time_t t; 1148b7579f77SDag-Erling Smørgrav struct tm tm; 1149b7579f77SDag-Erling Smørgrav memset(&tm, 0, sizeof(tm)); 1150b7579f77SDag-Erling Smørgrav if(strlen(str) < 14) 1151b7579f77SDag-Erling Smørgrav return 0; 1152b7579f77SDag-Erling Smørgrav if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, 1153b7579f77SDag-Erling Smørgrav &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) 1154b7579f77SDag-Erling Smørgrav return 0; 1155b7579f77SDag-Erling Smørgrav tm.tm_year -= 1900; 1156b7579f77SDag-Erling Smørgrav tm.tm_mon--; 1157b7579f77SDag-Erling Smørgrav /* Check values */ 1158b7579f77SDag-Erling Smørgrav if (tm.tm_year < 70) return 0; 1159b7579f77SDag-Erling Smørgrav if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; 1160b7579f77SDag-Erling Smørgrav if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; 1161b7579f77SDag-Erling Smørgrav if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; 1162b7579f77SDag-Erling Smørgrav if (tm.tm_min < 0 || tm.tm_min > 59) return 0; 1163b7579f77SDag-Erling Smørgrav if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; 1164b7579f77SDag-Erling Smørgrav /* call ldns conversion function */ 116517d15b25SDag-Erling Smørgrav t = sldns_mktime_from_utc(&tm); 1166b7579f77SDag-Erling Smørgrav return t; 1167b7579f77SDag-Erling Smørgrav } 1168b7579f77SDag-Erling Smørgrav 1169b7579f77SDag-Erling Smørgrav int 1170b7579f77SDag-Erling Smørgrav cfg_count_numbers(const char* s) 1171b7579f77SDag-Erling Smørgrav { 1172b7579f77SDag-Erling Smørgrav /* format ::= (sp num)+ sp */ 1173b7579f77SDag-Erling Smørgrav /* num ::= [-](0-9)+ */ 1174b7579f77SDag-Erling Smørgrav /* sp ::= (space|tab)* */ 1175b7579f77SDag-Erling Smørgrav int num = 0; 1176b7579f77SDag-Erling Smørgrav while(*s) { 1177ff825849SDag-Erling Smørgrav while(*s && isspace((unsigned char)*s)) 1178b7579f77SDag-Erling Smørgrav s++; 1179b7579f77SDag-Erling Smørgrav if(!*s) /* end of string */ 1180b7579f77SDag-Erling Smørgrav break; 1181b7579f77SDag-Erling Smørgrav if(*s == '-') 1182b7579f77SDag-Erling Smørgrav s++; 1183b7579f77SDag-Erling Smørgrav if(!*s) /* only - not allowed */ 1184b7579f77SDag-Erling Smørgrav return 0; 1185ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)*s)) /* bad character */ 1186b7579f77SDag-Erling Smørgrav return 0; 1187ff825849SDag-Erling Smørgrav while(*s && isdigit((unsigned char)*s)) 1188b7579f77SDag-Erling Smørgrav s++; 1189b7579f77SDag-Erling Smørgrav num++; 1190b7579f77SDag-Erling Smørgrav } 1191b7579f77SDag-Erling Smørgrav return num; 1192b7579f77SDag-Erling Smørgrav } 1193b7579f77SDag-Erling Smørgrav 1194b7579f77SDag-Erling Smørgrav /** all digit number */ 1195b7579f77SDag-Erling Smørgrav static int isalldigit(const char* str, size_t l) 1196b7579f77SDag-Erling Smørgrav { 1197b7579f77SDag-Erling Smørgrav size_t i; 1198b7579f77SDag-Erling Smørgrav for(i=0; i<l; i++) 1199ff825849SDag-Erling Smørgrav if(!isdigit((unsigned char)str[i])) 1200b7579f77SDag-Erling Smørgrav return 0; 1201b7579f77SDag-Erling Smørgrav return 1; 1202b7579f77SDag-Erling Smørgrav } 1203b7579f77SDag-Erling Smørgrav 1204b7579f77SDag-Erling Smørgrav int 1205b7579f77SDag-Erling Smørgrav cfg_parse_memsize(const char* str, size_t* res) 1206b7579f77SDag-Erling Smørgrav { 12078ed2b524SDag-Erling Smørgrav size_t len; 1208b7579f77SDag-Erling Smørgrav size_t mult = 1; 12098ed2b524SDag-Erling Smørgrav if(!str || (len=(size_t)strlen(str)) == 0) { 1210b7579f77SDag-Erling Smørgrav log_err("not a size: '%s'", str); 1211b7579f77SDag-Erling Smørgrav return 0; 1212b7579f77SDag-Erling Smørgrav } 1213b7579f77SDag-Erling Smørgrav if(isalldigit(str, len)) { 1214b7579f77SDag-Erling Smørgrav *res = (size_t)atol(str); 1215b7579f77SDag-Erling Smørgrav return 1; 1216b7579f77SDag-Erling Smørgrav } 1217b7579f77SDag-Erling Smørgrav /* check appended num */ 1218b7579f77SDag-Erling Smørgrav while(len>0 && str[len-1]==' ') 1219b7579f77SDag-Erling Smørgrav len--; 1220b7579f77SDag-Erling Smørgrav if(len > 1 && str[len-1] == 'b') 1221b7579f77SDag-Erling Smørgrav len--; 1222b7579f77SDag-Erling Smørgrav else if(len > 1 && str[len-1] == 'B') 1223b7579f77SDag-Erling Smørgrav len--; 1224b7579f77SDag-Erling Smørgrav 1225ff825849SDag-Erling Smørgrav if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') 1226b7579f77SDag-Erling Smørgrav mult = 1024*1024*1024; 1227ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') 1228b7579f77SDag-Erling Smørgrav mult = 1024*1024; 1229ff825849SDag-Erling Smørgrav else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') 1230b7579f77SDag-Erling Smørgrav mult = 1024; 1231ff825849SDag-Erling Smørgrav else if(len > 0 && isdigit((unsigned char)str[len-1])) 1232b7579f77SDag-Erling Smørgrav mult = 1; 1233b7579f77SDag-Erling Smørgrav else { 1234b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1235b7579f77SDag-Erling Smørgrav return 0; 1236b7579f77SDag-Erling Smørgrav } 1237b7579f77SDag-Erling Smørgrav while(len>1 && str[len-2]==' ') 1238b7579f77SDag-Erling Smørgrav len--; 1239b7579f77SDag-Erling Smørgrav 1240b7579f77SDag-Erling Smørgrav if(!isalldigit(str, len-1)) { 1241b7579f77SDag-Erling Smørgrav log_err("unknown size specifier: '%s'", str); 1242b7579f77SDag-Erling Smørgrav return 0; 1243b7579f77SDag-Erling Smørgrav } 1244b7579f77SDag-Erling Smørgrav *res = ((size_t)atol(str)) * mult; 1245b7579f77SDag-Erling Smørgrav return 1; 1246b7579f77SDag-Erling Smørgrav } 1247b7579f77SDag-Erling Smørgrav 1248b7579f77SDag-Erling Smørgrav void 1249b7579f77SDag-Erling Smørgrav config_apply(struct config_file* config) 1250b7579f77SDag-Erling Smørgrav { 125117d15b25SDag-Erling Smørgrav MAX_TTL = (time_t)config->max_ttl; 125217d15b25SDag-Erling Smørgrav MIN_TTL = (time_t)config->min_ttl; 125309a3aaf3SDag-Erling Smørgrav MAX_NEG_TTL = (time_t)config->max_negative_ttl; 12546480faa8SDag-Erling Smørgrav RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; 1255b7579f77SDag-Erling Smørgrav EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; 1256b7579f77SDag-Erling Smørgrav MINIMAL_RESPONSES = config->minimal_responses; 1257b7579f77SDag-Erling Smørgrav RRSET_ROUNDROBIN = config->rrset_roundrobin; 1258b7579f77SDag-Erling Smørgrav log_set_time_asc(config->log_time_ascii); 1259b75612f8SDag-Erling Smørgrav autr_permit_small_holddown = config->permit_small_holddown; 1260b7579f77SDag-Erling Smørgrav } 1261b7579f77SDag-Erling Smørgrav 1262748bd829SDag-Erling Smørgrav void config_lookup_uid(struct config_file* cfg) 1263748bd829SDag-Erling Smørgrav { 1264748bd829SDag-Erling Smørgrav #ifdef HAVE_GETPWNAM 1265748bd829SDag-Erling Smørgrav /* translate username into uid and gid */ 1266748bd829SDag-Erling Smørgrav if(cfg->username && cfg->username[0]) { 1267748bd829SDag-Erling Smørgrav struct passwd *pwd; 12686480faa8SDag-Erling Smørgrav if((pwd = getpwnam(cfg->username)) != NULL) { 12696480faa8SDag-Erling Smørgrav cfg_uid = pwd->pw_uid; 12706480faa8SDag-Erling Smørgrav cfg_gid = pwd->pw_gid; 1271748bd829SDag-Erling Smørgrav } 12726480faa8SDag-Erling Smørgrav } 12736480faa8SDag-Erling Smørgrav #else 12746480faa8SDag-Erling Smørgrav (void)cfg; 1275748bd829SDag-Erling Smørgrav #endif 1276748bd829SDag-Erling Smørgrav } 1277748bd829SDag-Erling Smørgrav 1278b7579f77SDag-Erling Smørgrav /** 1279b7579f77SDag-Erling Smørgrav * Calculate string length of full pathname in original filesys 1280b7579f77SDag-Erling Smørgrav * @param fname: the path name to convert. 1281b7579f77SDag-Erling Smørgrav * Must not be null or empty. 1282b7579f77SDag-Erling Smørgrav * @param cfg: config struct for chroot and chdir (if set). 1283b7579f77SDag-Erling Smørgrav * @param use_chdir: if false, only chroot is applied. 1284b7579f77SDag-Erling Smørgrav * @return length of string. 1285b7579f77SDag-Erling Smørgrav * remember to allocate one more for 0 at end in mallocs. 1286b7579f77SDag-Erling Smørgrav */ 1287b7579f77SDag-Erling Smørgrav static size_t 1288b7579f77SDag-Erling Smørgrav strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1289b7579f77SDag-Erling Smørgrav { 1290b7579f77SDag-Erling Smørgrav size_t len = 0; 1291b7579f77SDag-Erling Smørgrav int slashit = 0; 1292b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1293b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1294b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 1295b7579f77SDag-Erling Smørgrav return strlen(fname); 1296b7579f77SDag-Erling Smørgrav } 1297b7579f77SDag-Erling Smørgrav /* chroot */ 1298b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1299b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 1300b7579f77SDag-Erling Smørgrav len += strlen(cfg->chrootdir); 1301b7579f77SDag-Erling Smørgrav slashit = 1; 1302b7579f77SDag-Erling Smørgrav } 1303b7579f77SDag-Erling Smørgrav /* chdir */ 1304b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1305b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1306b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1307b7579f77SDag-Erling Smørgrav } else 1308b7579f77SDag-Erling Smørgrav #endif 1309b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1310b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1311b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1312b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1313b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 1314b7579f77SDag-Erling Smørgrav len++; 1315b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1316b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1317b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 1318b7579f77SDag-Erling Smørgrav len += strlen(cfg->directory)-strlen(cfg->chrootdir); 1319b7579f77SDag-Erling Smørgrav else len += strlen(cfg->directory); 1320b7579f77SDag-Erling Smørgrav slashit = 1; 1321b7579f77SDag-Erling Smørgrav } 1322b7579f77SDag-Erling Smørgrav /* fname */ 1323b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 1324b7579f77SDag-Erling Smørgrav len++; 1325b7579f77SDag-Erling Smørgrav len += strlen(fname); 1326b7579f77SDag-Erling Smørgrav return len; 1327b7579f77SDag-Erling Smørgrav } 1328b7579f77SDag-Erling Smørgrav 1329b7579f77SDag-Erling Smørgrav char* 1330b7579f77SDag-Erling Smørgrav fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) 1331b7579f77SDag-Erling Smørgrav { 133217d15b25SDag-Erling Smørgrav size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; 1333b7579f77SDag-Erling Smørgrav int slashit = 0; 133417d15b25SDag-Erling Smørgrav char* buf = (char*)malloc(len); 1335b7579f77SDag-Erling Smørgrav if(!buf) 1336b7579f77SDag-Erling Smørgrav return NULL; 1337b7579f77SDag-Erling Smørgrav buf[0] = 0; 1338b7579f77SDag-Erling Smørgrav /* is fname already in chroot ? */ 1339b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1340b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { 1341b7579f77SDag-Erling Smørgrav /* already full pathname, return it */ 134217d15b25SDag-Erling Smørgrav (void)strlcpy(buf, fname, len); 134317d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1344b7579f77SDag-Erling Smørgrav return buf; 1345b7579f77SDag-Erling Smørgrav } 1346b7579f77SDag-Erling Smørgrav /* chroot */ 1347b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0]) { 1348b7579f77SDag-Erling Smørgrav /* start with chrootdir */ 134917d15b25SDag-Erling Smørgrav (void)strlcpy(buf, cfg->chrootdir, len); 1350b7579f77SDag-Erling Smørgrav slashit = 1; 1351b7579f77SDag-Erling Smørgrav } 1352b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1353b7579f77SDag-Erling Smørgrav if(fname[0] != 0 && fname[1] == ':') { 1354b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1355b7579f77SDag-Erling Smørgrav } else 1356b7579f77SDag-Erling Smørgrav #endif 1357b7579f77SDag-Erling Smørgrav /* chdir */ 1358b7579f77SDag-Erling Smørgrav if(fname[0] == '/' || !use_chdir) { 1359b7579f77SDag-Erling Smørgrav /* full path, no chdir */ 1360b7579f77SDag-Erling Smørgrav } else if(cfg->directory && cfg->directory[0]) { 1361b7579f77SDag-Erling Smørgrav /* prepend chdir */ 1362b7579f77SDag-Erling Smørgrav if(slashit && cfg->directory[0] != '/') 136317d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 1364b7579f77SDag-Erling Smørgrav /* is the directory already in the chroot? */ 1365b7579f77SDag-Erling Smørgrav if(cfg->chrootdir && cfg->chrootdir[0] && 1366b7579f77SDag-Erling Smørgrav strncmp(cfg->chrootdir, cfg->directory, 1367b7579f77SDag-Erling Smørgrav strlen(cfg->chrootdir)) == 0) 136817d15b25SDag-Erling Smørgrav (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), 136917d15b25SDag-Erling Smørgrav len); 137017d15b25SDag-Erling Smørgrav else (void)strlcat(buf, cfg->directory, len); 1371b7579f77SDag-Erling Smørgrav slashit = 1; 1372b7579f77SDag-Erling Smørgrav } 1373b7579f77SDag-Erling Smørgrav /* fname */ 1374b7579f77SDag-Erling Smørgrav if(slashit && fname[0] != '/') 137517d15b25SDag-Erling Smørgrav (void)strlcat(buf, "/", len); 137617d15b25SDag-Erling Smørgrav (void)strlcat(buf, fname, len); 137717d15b25SDag-Erling Smørgrav buf[len-1] = 0; 1378b7579f77SDag-Erling Smørgrav return buf; 1379b7579f77SDag-Erling Smørgrav } 1380b7579f77SDag-Erling Smørgrav 1381b7579f77SDag-Erling Smørgrav /** return next space character in string */ 1382b7579f77SDag-Erling Smørgrav static char* next_space_pos(const char* str) 1383b7579f77SDag-Erling Smørgrav { 1384b7579f77SDag-Erling Smørgrav char* sp = strchr(str, ' '); 1385b7579f77SDag-Erling Smørgrav char* tab = strchr(str, '\t'); 1386b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1387b7579f77SDag-Erling Smørgrav return NULL; 1388b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1389b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1390b7579f77SDag-Erling Smørgrav return (sp<tab)?sp:tab; 1391b7579f77SDag-Erling Smørgrav } 1392b7579f77SDag-Erling Smørgrav 1393b7579f77SDag-Erling Smørgrav /** return last space character in string */ 1394b7579f77SDag-Erling Smørgrav static char* last_space_pos(const char* str) 1395b7579f77SDag-Erling Smørgrav { 1396b7579f77SDag-Erling Smørgrav char* sp = strrchr(str, ' '); 1397b7579f77SDag-Erling Smørgrav char* tab = strrchr(str, '\t'); 1398b7579f77SDag-Erling Smørgrav if(!tab && !sp) 1399b7579f77SDag-Erling Smørgrav return NULL; 1400b7579f77SDag-Erling Smørgrav if(!sp) return tab; 1401b7579f77SDag-Erling Smørgrav if(!tab) return sp; 1402b7579f77SDag-Erling Smørgrav return (sp>tab)?sp:tab; 1403b7579f77SDag-Erling Smørgrav } 1404b7579f77SDag-Erling Smørgrav 1405b7579f77SDag-Erling Smørgrav int 1406b7579f77SDag-Erling Smørgrav cfg_parse_local_zone(struct config_file* cfg, const char* val) 1407b7579f77SDag-Erling Smørgrav { 1408b7579f77SDag-Erling Smørgrav const char *type, *name_end, *name; 1409b7579f77SDag-Erling Smørgrav char buf[256]; 1410b7579f77SDag-Erling Smørgrav 1411b7579f77SDag-Erling Smørgrav /* parse it as: [zone_name] [between stuff] [zone_type] */ 1412b7579f77SDag-Erling Smørgrav name = val; 1413ff825849SDag-Erling Smørgrav while(*name && isspace((unsigned char)*name)) 1414b7579f77SDag-Erling Smørgrav name++; 1415b7579f77SDag-Erling Smørgrav if(!*name) { 1416b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", val); 1417b7579f77SDag-Erling Smørgrav return 0; 1418b7579f77SDag-Erling Smørgrav } 1419b7579f77SDag-Erling Smørgrav name_end = next_space_pos(name); 1420b7579f77SDag-Erling Smørgrav if(!name_end || !*name_end) { 1421b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1422b7579f77SDag-Erling Smørgrav return 0; 1423b7579f77SDag-Erling Smørgrav } 1424b7579f77SDag-Erling Smørgrav if (name_end - name > 255) { 1425b7579f77SDag-Erling Smørgrav log_err("syntax error: bad zone name: %s", val); 1426b7579f77SDag-Erling Smørgrav return 0; 1427b7579f77SDag-Erling Smørgrav } 142817d15b25SDag-Erling Smørgrav (void)strlcpy(buf, name, sizeof(buf)); 1429b7579f77SDag-Erling Smørgrav buf[name_end-name] = '\0'; 1430b7579f77SDag-Erling Smørgrav 1431b7579f77SDag-Erling Smørgrav type = last_space_pos(name_end); 1432ff825849SDag-Erling Smørgrav while(type && *type && isspace((unsigned char)*type)) 1433b7579f77SDag-Erling Smørgrav type++; 1434b7579f77SDag-Erling Smørgrav if(!type || !*type) { 1435b7579f77SDag-Erling Smørgrav log_err("syntax error: expected zone type: %s", val); 1436b7579f77SDag-Erling Smørgrav return 0; 1437b7579f77SDag-Erling Smørgrav } 1438b7579f77SDag-Erling Smørgrav 1439b7579f77SDag-Erling Smørgrav if(strcmp(type, "nodefault")==0) { 1440b7579f77SDag-Erling Smørgrav return cfg_strlist_insert(&cfg->local_zones_nodefault, 1441b7579f77SDag-Erling Smørgrav strdup(name)); 1442b7579f77SDag-Erling Smørgrav } else { 1443b7579f77SDag-Erling Smørgrav return cfg_str2list_insert(&cfg->local_zones, strdup(buf), 1444b7579f77SDag-Erling Smørgrav strdup(type)); 1445b7579f77SDag-Erling Smørgrav } 1446b7579f77SDag-Erling Smørgrav } 1447b7579f77SDag-Erling Smørgrav 1448b7579f77SDag-Erling Smørgrav char* cfg_ptr_reverse(char* str) 1449b7579f77SDag-Erling Smørgrav { 1450b7579f77SDag-Erling Smørgrav char* ip, *ip_end; 1451b7579f77SDag-Erling Smørgrav char* name; 1452b7579f77SDag-Erling Smørgrav char* result; 1453b7579f77SDag-Erling Smørgrav char buf[1024]; 1454b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 1455b7579f77SDag-Erling Smørgrav socklen_t addrlen; 1456b7579f77SDag-Erling Smørgrav 1457b7579f77SDag-Erling Smørgrav /* parse it as: [IP] [between stuff] [name] */ 1458b7579f77SDag-Erling Smørgrav ip = str; 1459ff825849SDag-Erling Smørgrav while(*ip && isspace((unsigned char)*ip)) 1460b7579f77SDag-Erling Smørgrav ip++; 1461b7579f77SDag-Erling Smørgrav if(!*ip) { 1462b7579f77SDag-Erling Smørgrav log_err("syntax error: too short: %s", str); 1463b7579f77SDag-Erling Smørgrav return NULL; 1464b7579f77SDag-Erling Smørgrav } 1465b7579f77SDag-Erling Smørgrav ip_end = next_space_pos(ip); 1466b7579f77SDag-Erling Smørgrav if(!ip_end || !*ip_end) { 1467b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1468b7579f77SDag-Erling Smørgrav return NULL; 1469b7579f77SDag-Erling Smørgrav } 1470b7579f77SDag-Erling Smørgrav 1471b7579f77SDag-Erling Smørgrav name = last_space_pos(ip_end); 1472b7579f77SDag-Erling Smørgrav if(!name || !*name) { 1473b7579f77SDag-Erling Smørgrav log_err("syntax error: expected name: %s", str); 1474b7579f77SDag-Erling Smørgrav return NULL; 1475b7579f77SDag-Erling Smørgrav } 1476b7579f77SDag-Erling Smørgrav 1477b7579f77SDag-Erling Smørgrav sscanf(ip, "%100s", buf); 1478b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1]=0; 1479b7579f77SDag-Erling Smørgrav 1480b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { 1481b7579f77SDag-Erling Smørgrav log_err("syntax error: cannot parse address: %s", str); 1482b7579f77SDag-Erling Smørgrav return NULL; 1483b7579f77SDag-Erling Smørgrav } 1484b7579f77SDag-Erling Smørgrav 1485b7579f77SDag-Erling Smørgrav /* reverse IPv4: 1486b7579f77SDag-Erling Smørgrav * ddd.ddd.ddd.ddd.in-addr-arpa. 1487b7579f77SDag-Erling Smørgrav * IPv6: (h.){32}.ip6.arpa. */ 1488b7579f77SDag-Erling Smørgrav 1489b7579f77SDag-Erling Smørgrav if(addr_is_ip6(&addr, addrlen)) { 1490b7579f77SDag-Erling Smørgrav uint8_t ad[16]; 1491b7579f77SDag-Erling Smørgrav const char* hex = "0123456789abcdef"; 1492b7579f77SDag-Erling Smørgrav char *p = buf; 1493b7579f77SDag-Erling Smørgrav int i; 1494b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, 1495b7579f77SDag-Erling Smørgrav sizeof(ad)); 1496b7579f77SDag-Erling Smørgrav for(i=15; i>=0; i--) { 1497b7579f77SDag-Erling Smørgrav uint8_t b = ad[i]; 1498b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0x0f) ]; 1499b7579f77SDag-Erling Smørgrav *p++ = '.'; 1500b7579f77SDag-Erling Smørgrav *p++ = hex[ (b&0xf0) >> 4 ]; 1501b7579f77SDag-Erling Smørgrav *p++ = '.'; 1502b7579f77SDag-Erling Smørgrav } 1503b7579f77SDag-Erling Smørgrav snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); 1504b7579f77SDag-Erling Smørgrav } else { 1505b7579f77SDag-Erling Smørgrav uint8_t ad[4]; 1506b7579f77SDag-Erling Smørgrav memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, 1507b7579f77SDag-Erling Smørgrav sizeof(ad)); 1508b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", 1509b7579f77SDag-Erling Smørgrav (unsigned)ad[3], (unsigned)ad[2], 1510b7579f77SDag-Erling Smørgrav (unsigned)ad[1], (unsigned)ad[0]); 1511b7579f77SDag-Erling Smørgrav } 1512b7579f77SDag-Erling Smørgrav 1513b7579f77SDag-Erling Smørgrav /* printed the reverse address, now the between goop and name on end */ 1514ff825849SDag-Erling Smørgrav while(*ip_end && isspace((unsigned char)*ip_end)) 1515b7579f77SDag-Erling Smørgrav ip_end++; 1516b7579f77SDag-Erling Smørgrav if(name>ip_end) { 1517b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", 1518b7579f77SDag-Erling Smørgrav (int)(name-ip_end), ip_end); 1519b7579f77SDag-Erling Smørgrav } 1520b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); 1521b7579f77SDag-Erling Smørgrav 1522b7579f77SDag-Erling Smørgrav result = strdup(buf); 1523b7579f77SDag-Erling Smørgrav if(!result) { 1524b7579f77SDag-Erling Smørgrav log_err("out of memory parsing %s", str); 1525b7579f77SDag-Erling Smørgrav return NULL; 1526b7579f77SDag-Erling Smørgrav } 1527b7579f77SDag-Erling Smørgrav return result; 1528b7579f77SDag-Erling Smørgrav } 1529b7579f77SDag-Erling Smørgrav 1530b7579f77SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 1531b7579f77SDag-Erling Smørgrav char* 1532b7579f77SDag-Erling Smørgrav w_lookup_reg_str(const char* key, const char* name) 1533b7579f77SDag-Erling Smørgrav { 1534b7579f77SDag-Erling Smørgrav HKEY hk = NULL; 1535b7579f77SDag-Erling Smørgrav DWORD type = 0; 1536b7579f77SDag-Erling Smørgrav BYTE buf[1024]; 1537b7579f77SDag-Erling Smørgrav DWORD len = (DWORD)sizeof(buf); 1538b7579f77SDag-Erling Smørgrav LONG ret; 1539b7579f77SDag-Erling Smørgrav char* result = NULL; 1540b7579f77SDag-Erling Smørgrav ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); 1541b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1542b7579f77SDag-Erling Smørgrav return NULL; /* key does not exist */ 1543b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1544b7579f77SDag-Erling Smørgrav log_err("RegOpenKeyEx failed"); 1545b7579f77SDag-Erling Smørgrav return NULL; 1546b7579f77SDag-Erling Smørgrav } 1547b7579f77SDag-Erling Smørgrav ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); 1548b7579f77SDag-Erling Smørgrav if(RegCloseKey(hk)) 1549b7579f77SDag-Erling Smørgrav log_err("RegCloseKey"); 1550b7579f77SDag-Erling Smørgrav if(ret == ERROR_FILE_NOT_FOUND) 1551b7579f77SDag-Erling Smørgrav return NULL; /* name does not exist */ 1552b7579f77SDag-Erling Smørgrav else if(ret != ERROR_SUCCESS) { 1553b7579f77SDag-Erling Smørgrav log_err("RegQueryValueEx failed"); 1554b7579f77SDag-Erling Smørgrav return NULL; 1555b7579f77SDag-Erling Smørgrav } 1556b7579f77SDag-Erling Smørgrav if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { 1557b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-1] = 0; 1558b7579f77SDag-Erling Smørgrav buf[sizeof(buf)-2] = 0; /* for multi_sz */ 1559b7579f77SDag-Erling Smørgrav result = strdup((char*)buf); 1560b7579f77SDag-Erling Smørgrav if(!result) log_err("out of memory"); 1561b7579f77SDag-Erling Smørgrav } 1562b7579f77SDag-Erling Smørgrav return result; 1563b7579f77SDag-Erling Smørgrav } 156405ab2901SDag-Erling Smørgrav 156505ab2901SDag-Erling Smørgrav void w_config_adjust_directory(struct config_file* cfg) 156605ab2901SDag-Erling Smørgrav { 156705ab2901SDag-Erling Smørgrav if(cfg->directory && cfg->directory[0]) { 156805ab2901SDag-Erling Smørgrav TCHAR dirbuf[2*MAX_PATH+4]; 156905ab2901SDag-Erling Smørgrav if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { 157005ab2901SDag-Erling Smørgrav /* get executable path, and if that contains 157105ab2901SDag-Erling Smørgrav * directories, snip off the filename part */ 157205ab2901SDag-Erling Smørgrav dirbuf[0] = 0; 157305ab2901SDag-Erling Smørgrav if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) 157405ab2901SDag-Erling Smørgrav log_err("could not GetModuleFileName"); 157505ab2901SDag-Erling Smørgrav if(strrchr(dirbuf, '\\')) { 157605ab2901SDag-Erling Smørgrav (strrchr(dirbuf, '\\'))[0] = 0; 157705ab2901SDag-Erling Smørgrav } else log_err("GetModuleFileName had no path"); 157805ab2901SDag-Erling Smørgrav if(dirbuf[0]) { 157905ab2901SDag-Erling Smørgrav /* adjust directory for later lookups to work*/ 158005ab2901SDag-Erling Smørgrav free(cfg->directory); 158105ab2901SDag-Erling Smørgrav cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); 158205ab2901SDag-Erling Smørgrav } 158305ab2901SDag-Erling Smørgrav } 158405ab2901SDag-Erling Smørgrav } 158505ab2901SDag-Erling Smørgrav } 1586b7579f77SDag-Erling Smørgrav #endif /* UB_ON_WINDOWS */ 1587b7579f77SDag-Erling Smørgrav 1588b7579f77SDag-Erling Smørgrav void errinf(struct module_qstate* qstate, const char* str) 1589b7579f77SDag-Erling Smørgrav { 1590b7579f77SDag-Erling Smørgrav struct config_strlist* p; 1591b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str) 1592b7579f77SDag-Erling Smørgrav return; 1593b7579f77SDag-Erling Smørgrav p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); 1594b7579f77SDag-Erling Smørgrav if(!p) { 1595b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1596b7579f77SDag-Erling Smørgrav return; 1597b7579f77SDag-Erling Smørgrav } 1598b7579f77SDag-Erling Smørgrav p->next = NULL; 1599b7579f77SDag-Erling Smørgrav p->str = regional_strdup(qstate->region, str); 1600b7579f77SDag-Erling Smørgrav if(!p->str) { 1601b7579f77SDag-Erling Smørgrav log_err("malloc failure in validator-error-info string"); 1602b7579f77SDag-Erling Smørgrav return; 1603b7579f77SDag-Erling Smørgrav } 1604b7579f77SDag-Erling Smørgrav /* add at end */ 1605b7579f77SDag-Erling Smørgrav if(qstate->errinf) { 1606b7579f77SDag-Erling Smørgrav struct config_strlist* q = qstate->errinf; 1607b7579f77SDag-Erling Smørgrav while(q->next) 1608b7579f77SDag-Erling Smørgrav q = q->next; 1609b7579f77SDag-Erling Smørgrav q->next = p; 1610b7579f77SDag-Erling Smørgrav } else qstate->errinf = p; 1611b7579f77SDag-Erling Smørgrav } 1612b7579f77SDag-Erling Smørgrav 1613b7579f77SDag-Erling Smørgrav void errinf_origin(struct module_qstate* qstate, struct sock_list *origin) 1614b7579f77SDag-Erling Smørgrav { 1615b7579f77SDag-Erling Smørgrav struct sock_list* p; 1616b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2) 1617b7579f77SDag-Erling Smørgrav return; 1618b7579f77SDag-Erling Smørgrav for(p=origin; p; p=p->next) { 1619b7579f77SDag-Erling Smørgrav char buf[256]; 1620b7579f77SDag-Erling Smørgrav if(p == origin) 1621b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "from "); 1622b7579f77SDag-Erling Smørgrav else snprintf(buf, sizeof(buf), "and "); 1623b7579f77SDag-Erling Smørgrav if(p->len == 0) 1624b7579f77SDag-Erling Smørgrav snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), 1625b7579f77SDag-Erling Smørgrav "cache"); 1626b7579f77SDag-Erling Smørgrav else 1627b7579f77SDag-Erling Smørgrav addr_to_str(&p->addr, p->len, buf+strlen(buf), 1628b7579f77SDag-Erling Smørgrav sizeof(buf)-strlen(buf)); 1629b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1630b7579f77SDag-Erling Smørgrav } 1631b7579f77SDag-Erling Smørgrav } 1632b7579f77SDag-Erling Smørgrav 1633b7579f77SDag-Erling Smørgrav char* errinf_to_str(struct module_qstate* qstate) 1634b7579f77SDag-Erling Smørgrav { 1635b7579f77SDag-Erling Smørgrav char buf[20480]; 1636b7579f77SDag-Erling Smørgrav char* p = buf; 1637b7579f77SDag-Erling Smørgrav size_t left = sizeof(buf); 1638b7579f77SDag-Erling Smørgrav struct config_strlist* s; 1639b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 164017d15b25SDag-Erling Smørgrav char t[16], c[16]; 164117d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); 164217d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); 1643b7579f77SDag-Erling Smørgrav dname_str(qstate->qinfo.qname, dname); 1644b7579f77SDag-Erling Smørgrav snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); 1645b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1646b7579f77SDag-Erling Smørgrav if(!qstate->errinf) 1647b7579f77SDag-Erling Smørgrav snprintf(p, left, " misc failure"); 1648b7579f77SDag-Erling Smørgrav else for(s=qstate->errinf; s; s=s->next) { 1649b7579f77SDag-Erling Smørgrav snprintf(p, left, " %s", s->str); 1650b7579f77SDag-Erling Smørgrav left -= strlen(p); p += strlen(p); 1651b7579f77SDag-Erling Smørgrav } 1652b7579f77SDag-Erling Smørgrav p = strdup(buf); 1653b7579f77SDag-Erling Smørgrav if(!p) 1654b7579f77SDag-Erling Smørgrav log_err("malloc failure in errinf_to_str"); 1655b7579f77SDag-Erling Smørgrav return p; 1656b7579f77SDag-Erling Smørgrav } 1657b7579f77SDag-Erling Smørgrav 1658b7579f77SDag-Erling Smørgrav void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) 1659b7579f77SDag-Erling Smørgrav { 1660b7579f77SDag-Erling Smørgrav char buf[1024]; 1661b7579f77SDag-Erling Smørgrav char dname[LDNS_MAX_DOMAINLEN+1]; 166217d15b25SDag-Erling Smørgrav char t[16], c[16]; 1663b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !rr) 1664b7579f77SDag-Erling Smørgrav return; 166517d15b25SDag-Erling Smørgrav sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); 166617d15b25SDag-Erling Smørgrav sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); 1667b7579f77SDag-Erling Smørgrav dname_str(rr->rk.dname, dname); 1668b7579f77SDag-Erling Smørgrav snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); 1669b7579f77SDag-Erling Smørgrav errinf(qstate, buf); 1670b7579f77SDag-Erling Smørgrav } 1671b7579f77SDag-Erling Smørgrav 1672b7579f77SDag-Erling Smørgrav void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) 1673b7579f77SDag-Erling Smørgrav { 1674b7579f77SDag-Erling Smørgrav char b[1024]; 1675b7579f77SDag-Erling Smørgrav char buf[LDNS_MAX_DOMAINLEN+1]; 1676b7579f77SDag-Erling Smørgrav if(qstate->env->cfg->val_log_level < 2 || !str || !dname) 1677b7579f77SDag-Erling Smørgrav return; 1678b7579f77SDag-Erling Smørgrav dname_str(dname, buf); 1679b7579f77SDag-Erling Smørgrav snprintf(b, sizeof(b), "%s %s", str, buf); 1680b7579f77SDag-Erling Smørgrav errinf(qstate, b); 1681b7579f77SDag-Erling Smørgrav } 1682