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Diffstat (limited to 'external/unbound/util/config_file.c')
| -rw-r--r-- | external/unbound/util/config_file.c | 2056 |
1 files changed, 0 insertions, 2056 deletions
diff --git a/external/unbound/util/config_file.c b/external/unbound/util/config_file.c deleted file mode 100644 index af176929d..000000000 --- a/external/unbound/util/config_file.c +++ /dev/null @@ -1,2056 +0,0 @@ -/* - * util/config_file.c - reads and stores the config file for unbound. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * This file contains functions for the config file. - */ - -#include "config.h" -#include <ctype.h> -#include <stdarg.h> -#ifdef HAVE_TIME_H -#include <time.h> -#endif -#include "util/log.h" -#include "util/configyyrename.h" -#include "util/config_file.h" -#include "util/configparser.h" -#include "util/net_help.h" -#include "util/data/msgparse.h" -#include "util/module.h" -#include "util/regional.h" -#include "util/fptr_wlist.h" -#include "util/data/dname.h" -#include "util/rtt.h" -#include "services/cache/infra.h" -#include "sldns/wire2str.h" -#include "sldns/parseutil.h" -#ifdef HAVE_GLOB_H -# include <glob.h> -#endif -#ifdef CLIENT_SUBNET -#include "edns-subnet/edns-subnet.h" -#endif -#ifdef HAVE_PWD_H -#include <pwd.h> -#endif - -/** from cfg username, after daemonise setup performed */ -uid_t cfg_uid = (uid_t)-1; -/** from cfg username, after daemonise setup performed */ -gid_t cfg_gid = (gid_t)-1; -/** for debug allow small timeout values for fast rollovers */ -int autr_permit_small_holddown = 0; - -/** global config during parsing */ -struct config_parser_state* cfg_parser = 0; - -/** init ports possible for use */ -static void init_outgoing_availports(int* array, int num); - -struct config_file* -config_create(void) -{ - struct config_file* cfg; - cfg = (struct config_file*)calloc(1, sizeof(struct config_file)); - if(!cfg) - return NULL; - /* the defaults if no config is present */ - cfg->verbosity = 1; - cfg->stat_interval = 0; - cfg->stat_cumulative = 0; - cfg->stat_extended = 0; - cfg->num_threads = 1; - cfg->port = UNBOUND_DNS_PORT; - cfg->do_ip4 = 1; - cfg->do_ip6 = 1; - cfg->do_udp = 1; - cfg->do_tcp = 1; - cfg->tcp_upstream = 0; - cfg->tcp_mss = 0; - cfg->outgoing_tcp_mss = 0; - cfg->ssl_service_key = NULL; - cfg->ssl_service_pem = NULL; - cfg->ssl_port = 853; - cfg->ssl_upstream = 0; - cfg->use_syslog = 1; - cfg->log_identity = NULL; /* changed later with argv[0] */ - cfg->log_time_ascii = 0; - cfg->log_queries = 0; - cfg->log_replies = 0; -#ifndef USE_WINSOCK -# ifdef USE_MINI_EVENT - /* select max 1024 sockets */ - cfg->outgoing_num_ports = 960; - cfg->num_queries_per_thread = 512; -# else - /* libevent can use many sockets */ - cfg->outgoing_num_ports = 4096; - cfg->num_queries_per_thread = 1024; -# endif - cfg->outgoing_num_tcp = 10; - cfg->incoming_num_tcp = 10; -#else - cfg->outgoing_num_ports = 48; /* windows is limited in num fds */ - cfg->num_queries_per_thread = 24; - cfg->outgoing_num_tcp = 2; /* leaves 64-52=12 for: 4if,1stop,thread4 */ - cfg->incoming_num_tcp = 2; -#endif - cfg->edns_buffer_size = 4096; /* 4k from rfc recommendation */ - cfg->msg_buffer_size = 65552; /* 64 k + a small margin */ - cfg->msg_cache_size = 4 * 1024 * 1024; - cfg->msg_cache_slabs = 4; - cfg->jostle_time = 200; - cfg->rrset_cache_size = 4 * 1024 * 1024; - cfg->rrset_cache_slabs = 4; - cfg->host_ttl = 900; - cfg->bogus_ttl = 60; - cfg->min_ttl = 0; - cfg->max_ttl = 3600 * 24; - cfg->max_negative_ttl = 3600; - cfg->prefetch = 0; - cfg->prefetch_key = 0; - cfg->infra_cache_slabs = 4; - cfg->infra_cache_numhosts = 10000; - cfg->infra_cache_min_rtt = 50; - cfg->delay_close = 0; - if(!(cfg->outgoing_avail_ports = (int*)calloc(65536, sizeof(int)))) - goto error_exit; - init_outgoing_availports(cfg->outgoing_avail_ports, 65536); - if(!(cfg->username = strdup(UB_USERNAME))) goto error_exit; -#ifdef HAVE_CHROOT - if(!(cfg->chrootdir = strdup(CHROOT_DIR))) goto error_exit; -#endif - if(!(cfg->directory = strdup(RUN_DIR))) goto error_exit; - if(!(cfg->logfile = strdup(""))) goto error_exit; - if(!(cfg->pidfile = strdup(PIDFILE))) goto error_exit; - if(!(cfg->target_fetch_policy = strdup("3 2 1 0 0"))) goto error_exit; - cfg->donotqueryaddrs = NULL; - cfg->donotquery_localhost = 1; - cfg->root_hints = NULL; - cfg->use_systemd = 0; - cfg->do_daemonize = 1; - cfg->if_automatic = 0; - cfg->so_rcvbuf = 0; - cfg->so_sndbuf = 0; - cfg->so_reuseport = 0; - cfg->ip_transparent = 0; - cfg->ip_freebind = 0; - cfg->num_ifs = 0; - cfg->ifs = NULL; - cfg->num_out_ifs = 0; - cfg->out_ifs = NULL; - cfg->stubs = NULL; - cfg->forwards = NULL; -#ifdef CLIENT_SUBNET - cfg->client_subnet = NULL; - cfg->client_subnet_opcode = LDNS_EDNS_CLIENT_SUBNET; - cfg->client_subnet_always_forward = 0; - cfg->max_client_subnet_ipv4 = 24; - cfg->max_client_subnet_ipv6 = 56; -#endif - cfg->views = NULL; - cfg->acls = NULL; - cfg->harden_short_bufsize = 0; - cfg->harden_large_queries = 0; - cfg->harden_glue = 1; - cfg->harden_dnssec_stripped = 1; - cfg->harden_below_nxdomain = 0; - cfg->harden_referral_path = 0; - cfg->harden_algo_downgrade = 0; - cfg->use_caps_bits_for_id = 0; - cfg->caps_whitelist = NULL; - cfg->private_address = NULL; - cfg->private_domain = NULL; - cfg->unwanted_threshold = 0; - cfg->hide_identity = 0; - cfg->hide_version = 0; - cfg->hide_trustanchor = 0; - cfg->identity = NULL; - cfg->version = NULL; - cfg->auto_trust_anchor_file_list = NULL; - cfg->trust_anchor_file_list = NULL; - cfg->trust_anchor_list = NULL; - cfg->trusted_keys_file_list = NULL; - cfg->dlv_anchor_file = NULL; - cfg->dlv_anchor_list = NULL; - cfg->domain_insecure = NULL; - cfg->val_date_override = 0; - cfg->val_sig_skew_min = 3600; /* at least daylight savings trouble */ - cfg->val_sig_skew_max = 86400; /* at most timezone settings trouble */ - cfg->val_clean_additional = 1; - cfg->val_log_level = 0; - cfg->val_log_squelch = 0; - cfg->val_permissive_mode = 0; - cfg->ignore_cd = 0; - cfg->serve_expired = 0; - cfg->add_holddown = 30*24*3600; - cfg->del_holddown = 30*24*3600; - cfg->keep_missing = 366*24*3600; /* one year plus a little leeway */ - cfg->permit_small_holddown = 0; - cfg->key_cache_size = 4 * 1024 * 1024; - cfg->key_cache_slabs = 4; - cfg->neg_cache_size = 1 * 1024 * 1024; - cfg->local_zones = NULL; - cfg->local_zones_nodefault = NULL; - cfg->local_data = NULL; - cfg->local_zone_overrides = NULL; - cfg->unblock_lan_zones = 0; - cfg->insecure_lan_zones = 0; - cfg->python_script = NULL; - cfg->remote_control_enable = 0; - cfg->control_ifs = NULL; - cfg->control_port = UNBOUND_CONTROL_PORT; - cfg->remote_control_use_cert = 1; - cfg->minimal_responses = 0; - cfg->rrset_roundrobin = 0; - cfg->max_udp_size = 4096; - if(!(cfg->server_key_file = strdup(RUN_DIR"/unbound_server.key"))) - goto error_exit; - if(!(cfg->server_cert_file = strdup(RUN_DIR"/unbound_server.pem"))) - goto error_exit; - if(!(cfg->control_key_file = strdup(RUN_DIR"/unbound_control.key"))) - goto error_exit; - if(!(cfg->control_cert_file = strdup(RUN_DIR"/unbound_control.pem"))) - goto error_exit; - -#ifdef CLIENT_SUBNET - if(!(cfg->module_conf = strdup("subnetcache validator iterator"))) goto error_exit; -#else - if(!(cfg->module_conf = strdup("validator iterator"))) goto error_exit; -#endif - if(!(cfg->val_nsec3_key_iterations = - strdup("1024 150 2048 500 4096 2500"))) goto error_exit; -#if defined(DNSTAP_SOCKET_PATH) - if(!(cfg->dnstap_socket_path = strdup(DNSTAP_SOCKET_PATH))) - goto error_exit; -#endif - cfg->disable_dnssec_lame_check = 0; - cfg->ip_ratelimit = 0; - cfg->ratelimit = 0; - cfg->ip_ratelimit_slabs = 4; - cfg->ratelimit_slabs = 4; - cfg->ip_ratelimit_size = 4*1024*1024; - cfg->ratelimit_size = 4*1024*1024; - cfg->ratelimit_for_domain = NULL; - cfg->ratelimit_below_domain = NULL; - cfg->ip_ratelimit_factor = 10; - cfg->ratelimit_factor = 10; - cfg->qname_minimisation = 0; - cfg->qname_minimisation_strict = 0; - cfg->shm_enable = 0; - cfg->shm_key = 11777; - cfg->dnscrypt = 0; - cfg->dnscrypt_port = 0; - cfg->dnscrypt_provider = NULL; - cfg->dnscrypt_provider_cert = NULL; - cfg->dnscrypt_secret_key = NULL; - return cfg; -error_exit: - config_delete(cfg); - return NULL; -} - -struct config_file* config_create_forlib(void) -{ - struct config_file* cfg = config_create(); - if(!cfg) return NULL; - /* modifications for library use, less verbose, less memory */ - free(cfg->chrootdir); - cfg->chrootdir = NULL; - cfg->verbosity = 0; - cfg->outgoing_num_ports = 16; /* in library use, this is 'reasonable' - and probably within the ulimit(maxfds) of the user */ - cfg->outgoing_num_tcp = 2; - cfg->msg_cache_size = 1024*1024; - cfg->msg_cache_slabs = 1; - cfg->rrset_cache_size = 1024*1024; - cfg->rrset_cache_slabs = 1; - cfg->infra_cache_slabs = 1; - cfg->use_syslog = 0; - cfg->key_cache_size = 1024*1024; - cfg->key_cache_slabs = 1; - cfg->neg_cache_size = 100 * 1024; - cfg->donotquery_localhost = 0; /* allow, so that you can ask a - forward nameserver running on localhost */ - cfg->val_log_level = 2; /* to fill why_bogus with */ - cfg->val_log_squelch = 1; - return cfg; -} - -/** check that the value passed is >= 0 */ -#define IS_NUMBER_OR_ZERO \ - if(atoi(val) == 0 && strcmp(val, "0") != 0) return 0 -/** check that the value passed is > 0 */ -#define IS_NONZERO_NUMBER \ - if(atoi(val) == 0) return 0 -/** check that the value passed is not 0 and a power of 2 */ -#define IS_POW2_NUMBER \ - if(atoi(val) == 0 || !is_pow2((size_t)atoi(val))) return 0 -/** check that the value passed is yes or no */ -#define IS_YES_OR_NO \ - if(strcmp(val, "yes") != 0 && strcmp(val, "no") != 0) return 0 -/** put integer_or_zero into variable */ -#define S_NUMBER_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ - { IS_NUMBER_OR_ZERO; cfg->var = atoi(val); } -/** put integer_nonzero into variable */ -#define S_NUMBER_NONZERO(str, var) if(strcmp(opt, str) == 0) \ - { IS_NONZERO_NUMBER; cfg->var = atoi(val); } -/** put integer_or_zero into unsigned */ -#define S_UNSIGNED_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ - { IS_NUMBER_OR_ZERO; cfg->var = (unsigned)atoi(val); } -/** put integer_or_zero into size_t */ -#define S_SIZET_OR_ZERO(str, var) if(strcmp(opt, str) == 0) \ - { IS_NUMBER_OR_ZERO; cfg->var = (size_t)atoi(val); } -/** put integer_nonzero into size_t */ -#define S_SIZET_NONZERO(str, var) if(strcmp(opt, str) == 0) \ - { IS_NONZERO_NUMBER; cfg->var = (size_t)atoi(val); } -/** put yesno into variable */ -#define S_YNO(str, var) if(strcmp(opt, str) == 0) \ - { IS_YES_OR_NO; cfg->var = (strcmp(val, "yes") == 0); } -/** put memsize into variable */ -#define S_MEMSIZE(str, var) if(strcmp(opt, str)==0) \ - { return cfg_parse_memsize(val, &cfg->var); } -/** put pow2 number into variable */ -#define S_POW2(str, var) if(strcmp(opt, str)==0) \ - { IS_POW2_NUMBER; cfg->var = (size_t)atoi(val); } -/** put string into variable */ -#define S_STR(str, var) if(strcmp(opt, str)==0) \ - { free(cfg->var); return (cfg->var = strdup(val)) != NULL; } -/** put string into strlist */ -#define S_STRLIST(str, var) if(strcmp(opt, str)==0) \ - { return cfg_strlist_insert(&cfg->var, strdup(val)); } - -int config_set_option(struct config_file* cfg, const char* opt, - const char* val) -{ - S_NUMBER_OR_ZERO("verbosity:", verbosity) - else if(strcmp(opt, "statistics-interval:") == 0) { - if(strcmp(val, "0") == 0 || strcmp(val, "") == 0) - cfg->stat_interval = 0; - else if(atoi(val) == 0) - return 0; - else cfg->stat_interval = atoi(val); - } else if(strcmp(opt, "num_threads:") == 0) { - /* not supported, library must have 1 thread in bgworker */ - return 0; - } else if(strcmp(opt, "outgoing-port-permit:") == 0) { - return cfg_mark_ports(val, 1, - cfg->outgoing_avail_ports, 65536); - } else if(strcmp(opt, "outgoing-port-avoid:") == 0) { - return cfg_mark_ports(val, 0, - cfg->outgoing_avail_ports, 65536); - } else if(strcmp(opt, "local-zone:") == 0) { - return cfg_parse_local_zone(cfg, val); - } else if(strcmp(opt, "val-override-date:") == 0) { - if(strcmp(val, "") == 0 || strcmp(val, "0") == 0) { - cfg->val_date_override = 0; - } else if(strlen(val) == 14) { - cfg->val_date_override = cfg_convert_timeval(val); - return cfg->val_date_override != 0; - } else { - if(atoi(val) == 0) return 0; - cfg->val_date_override = (uint32_t)atoi(val); - } - } else if(strcmp(opt, "local-data-ptr:") == 0) { - char* ptr = cfg_ptr_reverse((char*)opt); - return cfg_strlist_insert(&cfg->local_data, ptr); - } else if(strcmp(opt, "logfile:") == 0) { - cfg->use_syslog = 0; - free(cfg->logfile); - return (cfg->logfile = strdup(val)) != NULL; - } - else if(strcmp(opt, "log-time-ascii:") == 0) - { IS_YES_OR_NO; cfg->log_time_ascii = (strcmp(val, "yes") == 0); - log_set_time_asc(cfg->log_time_ascii); } - else S_SIZET_NONZERO("max-udp-size:", max_udp_size) - else S_YNO("use-syslog:", use_syslog) - else S_STR("log-identity:", log_identity) - else S_YNO("extended-statistics:", stat_extended) - else S_YNO("statistics-cumulative:", stat_cumulative) - else S_YNO("shm-enable:", shm_enable) - else S_NUMBER_OR_ZERO("shm-key:", shm_key) - else S_YNO("do-ip4:", do_ip4) - else S_YNO("do-ip6:", do_ip6) - else S_YNO("do-udp:", do_udp) - else S_YNO("do-tcp:", do_tcp) - else S_YNO("tcp-upstream:", tcp_upstream) - else S_NUMBER_NONZERO("tcp-mss:", tcp_mss) - else S_NUMBER_NONZERO("outgoing-tcp-mss:", outgoing_tcp_mss) - else S_YNO("ssl-upstream:", ssl_upstream) - else S_STR("ssl-service-key:", ssl_service_key) - else S_STR("ssl-service-pem:", ssl_service_pem) - else S_NUMBER_NONZERO("ssl-port:", ssl_port) - else S_YNO("interface-automatic:", if_automatic) - else S_YNO("use-systemd:", use_systemd) - else S_YNO("do-daemonize:", do_daemonize) - else S_NUMBER_NONZERO("port:", port) - else S_NUMBER_NONZERO("outgoing-range:", outgoing_num_ports) - else S_SIZET_OR_ZERO("outgoing-num-tcp:", outgoing_num_tcp) - else S_SIZET_OR_ZERO("incoming-num-tcp:", incoming_num_tcp) - else S_SIZET_NONZERO("edns-buffer-size:", edns_buffer_size) - else S_SIZET_NONZERO("msg-buffer-size:", msg_buffer_size) - else S_MEMSIZE("msg-cache-size:", msg_cache_size) - else S_POW2("msg-cache-slabs:", msg_cache_slabs) - else S_SIZET_NONZERO("num-queries-per-thread:",num_queries_per_thread) - else S_SIZET_OR_ZERO("jostle-timeout:", jostle_time) - else S_MEMSIZE("so-rcvbuf:", so_rcvbuf) - else S_MEMSIZE("so-sndbuf:", so_sndbuf) - else S_YNO("so-reuseport:", so_reuseport) - else S_YNO("ip-transparent:", ip_transparent) - else S_YNO("ip-freebind:", ip_freebind) - else S_MEMSIZE("rrset-cache-size:", rrset_cache_size) - else S_POW2("rrset-cache-slabs:", rrset_cache_slabs) - else S_YNO("prefetch:", prefetch) - else S_YNO("prefetch-key:", prefetch_key) - else if(strcmp(opt, "cache-max-ttl:") == 0) - { IS_NUMBER_OR_ZERO; cfg->max_ttl = atoi(val); MAX_TTL=(time_t)cfg->max_ttl;} - else if(strcmp(opt, "cache-max-negative-ttl:") == 0) - { IS_NUMBER_OR_ZERO; cfg->max_negative_ttl = atoi(val); MAX_NEG_TTL=(time_t)cfg->max_negative_ttl;} - else if(strcmp(opt, "cache-min-ttl:") == 0) - { IS_NUMBER_OR_ZERO; cfg->min_ttl = atoi(val); MIN_TTL=(time_t)cfg->min_ttl;} - else if(strcmp(opt, "infra-cache-min-rtt:") == 0) { - IS_NUMBER_OR_ZERO; cfg->infra_cache_min_rtt = atoi(val); - RTT_MIN_TIMEOUT=cfg->infra_cache_min_rtt; - } - else S_NUMBER_OR_ZERO("infra-host-ttl:", host_ttl) - else S_POW2("infra-cache-slabs:", infra_cache_slabs) - else S_SIZET_NONZERO("infra-cache-numhosts:", infra_cache_numhosts) - else S_NUMBER_OR_ZERO("delay-close:", delay_close) - else S_STR("chroot:", chrootdir) - else S_STR("username:", username) - else S_STR("directory:", directory) - else S_STR("pidfile:", pidfile) - else S_YNO("hide-identity:", hide_identity) - else S_YNO("hide-version:", hide_version) - else S_YNO("hide-trustanchor:", hide_trustanchor) - else S_STR("identity:", identity) - else S_STR("version:", version) - else S_STRLIST("root-hints:", root_hints) - else S_STR("target-fetch-policy:", target_fetch_policy) - else S_YNO("harden-glue:", harden_glue) - else S_YNO("harden-short-bufsize:", harden_short_bufsize) - else S_YNO("harden-large-queries:", harden_large_queries) - else S_YNO("harden-dnssec-stripped:", harden_dnssec_stripped) - else S_YNO("harden-below-nxdomain:", harden_below_nxdomain) - else S_YNO("harden-referral-path:", harden_referral_path) - else S_YNO("harden-algo-downgrade:", harden_algo_downgrade) - else S_YNO("use-caps-for-id", use_caps_bits_for_id) - else S_STRLIST("caps-whitelist:", caps_whitelist) - else S_SIZET_OR_ZERO("unwanted-reply-threshold:", unwanted_threshold) - else S_STRLIST("private-address:", private_address) - else S_STRLIST("private-domain:", private_domain) - else S_YNO("do-not-query-localhost:", donotquery_localhost) - else S_STRLIST("do-not-query-address:", donotqueryaddrs) - else S_STRLIST("auto-trust-anchor-file:", auto_trust_anchor_file_list) - else S_STRLIST("trust-anchor-file:", trust_anchor_file_list) - else S_STRLIST("trust-anchor:", trust_anchor_list) - else S_STRLIST("trusted-keys-file:", trusted_keys_file_list) - else S_STR("dlv-anchor-file:", dlv_anchor_file) - else S_STRLIST("dlv-anchor:", dlv_anchor_list) - else S_STRLIST("domain-insecure:", domain_insecure) - else S_NUMBER_OR_ZERO("val-bogus-ttl:", bogus_ttl) - else S_YNO("val-clean-additional:", val_clean_additional) - else S_NUMBER_OR_ZERO("val-log-level:", val_log_level) - else S_YNO("val-log-squelch:", val_log_squelch) - else S_YNO("log-queries:", log_queries) - else S_YNO("log-replies:", log_replies) - else S_YNO("val-permissive-mode:", val_permissive_mode) - else S_YNO("ignore-cd-flag:", ignore_cd) - else S_YNO("serve-expired:", serve_expired) - else S_STR("val-nsec3-keysize-iterations:", val_nsec3_key_iterations) - else S_UNSIGNED_OR_ZERO("add-holddown:", add_holddown) - else S_UNSIGNED_OR_ZERO("del-holddown:", del_holddown) - else S_UNSIGNED_OR_ZERO("keep-missing:", keep_missing) - else if(strcmp(opt, "permit-small-holddown:") == 0) - { IS_YES_OR_NO; cfg->permit_small_holddown = (strcmp(val, "yes") == 0); - autr_permit_small_holddown = cfg->permit_small_holddown; } - else S_MEMSIZE("key-cache-size:", key_cache_size) - else S_POW2("key-cache-slabs:", key_cache_slabs) - else S_MEMSIZE("neg-cache-size:", neg_cache_size) - else S_YNO("minimal-responses:", minimal_responses) - else S_YNO("rrset-roundrobin:", rrset_roundrobin) - else S_STRLIST("local-data:", local_data) - else S_YNO("unblock-lan-zones:", unblock_lan_zones) - else S_YNO("insecure-lan-zones:", insecure_lan_zones) - else S_YNO("control-enable:", remote_control_enable) - else S_STRLIST("control-interface:", control_ifs) - else S_NUMBER_NONZERO("control-port:", control_port) - else S_STR("server-key-file:", server_key_file) - else S_STR("server-cert-file:", server_cert_file) - else S_STR("control-key-file:", control_key_file) - else S_STR("control-cert-file:", control_cert_file) - else S_STR("module-config:", module_conf) - else S_STR("python-script:", python_script) - else S_YNO("disable-dnssec-lame-check:", disable_dnssec_lame_check) -#ifdef CLIENT_SUBNET - /* Can't set max subnet prefix here, since that value is used when - * generating the address tree. */ - /* No client-subnet-always-forward here, module registration depends on - * this option. */ -#endif - else if(strcmp(opt, "ip-ratelimit:") == 0) { - IS_NUMBER_OR_ZERO; cfg->ip_ratelimit = atoi(val); - infra_ip_ratelimit=cfg->ip_ratelimit; - } - else if(strcmp(opt, "ratelimit:") == 0) { - IS_NUMBER_OR_ZERO; cfg->ratelimit = atoi(val); - infra_dp_ratelimit=cfg->ratelimit; - } - else S_MEMSIZE("ip-ratelimit-size:", ip_ratelimit_size) - else S_MEMSIZE("ratelimit-size:", ratelimit_size) - else S_POW2("ip-ratelimit-slabs:", ip_ratelimit_slabs) - else S_POW2("ratelimit-slabs:", ratelimit_slabs) - else S_NUMBER_OR_ZERO("ip-ratelimit-factor:", ip_ratelimit_factor) - else S_NUMBER_OR_ZERO("ratelimit-factor:", ratelimit_factor) - else S_YNO("qname-minimisation:", qname_minimisation) - else S_YNO("qname-minimisation-strict:", qname_minimisation_strict) - else if(strcmp(opt, "define-tag:") ==0) { - return config_add_tag(cfg, val); - /* val_sig_skew_min and max are copied into val_env during init, - * so this does not update val_env with set_option */ - } else if(strcmp(opt, "val-sig-skew-min:") == 0) - { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_min = (int32_t)atoi(val); } - else if(strcmp(opt, "val-sig-skew-max:") == 0) - { IS_NUMBER_OR_ZERO; cfg->val_sig_skew_max = (int32_t)atoi(val); } - else if (strcmp(opt, "outgoing-interface:") == 0) { - char* d = strdup(val); - char** oi = - (char**)reallocarray(NULL, (size_t)cfg->num_out_ifs+1, sizeof(char*)); - if(!d || !oi) { free(d); free(oi); return -1; } - if(cfg->out_ifs && cfg->num_out_ifs) { - memmove(oi, cfg->out_ifs, cfg->num_out_ifs*sizeof(char*)); - free(cfg->out_ifs); - } - oi[cfg->num_out_ifs++] = d; - cfg->out_ifs = oi; - } else { - /* unknown or unsupported (from the set_option interface): - * interface, outgoing-interface, access-control, - * stub-zone, name, stub-addr, stub-host, stub-prime - * forward-first, stub-first, forward-ssl-upstream, - * stub-ssl-upstream, forward-zone, - * name, forward-addr, forward-host, - * ratelimit-for-domain, ratelimit-below-domain, - * local-zone-tag, access-control-view - * send-client-subnet client-subnet-always-forward - * max-client-subnet-ipv4 max-client-subnet-ipv6 */ - return 0; - } - return 1; -} - -void config_print_func(char* line, void* arg) -{ - FILE* f = (FILE*)arg; - (void)fprintf(f, "%s\n", line); -} - -/** collate func arg */ -struct config_collate_arg { - /** list of result items */ - struct config_strlist_head list; - /** if a malloc error occurred, 0 is OK */ - int status; -}; - -void config_collate_func(char* line, void* arg) -{ - struct config_collate_arg* m = (struct config_collate_arg*)arg; - if(m->status) - return; - if(!cfg_strlist_append(&m->list, strdup(line))) - m->status = 1; -} - -int config_get_option_list(struct config_file* cfg, const char* opt, - struct config_strlist** list) -{ - struct config_collate_arg m; - memset(&m, 0, sizeof(m)); - *list = NULL; - if(!config_get_option(cfg, opt, config_collate_func, &m)) - return 1; - if(m.status) { - config_delstrlist(m.list.first); - return 2; - } - *list = m.list.first; - return 0; -} - -int -config_get_option_collate(struct config_file* cfg, const char* opt, char** str) -{ - struct config_strlist* list = NULL; - int r; - *str = NULL; - if((r = config_get_option_list(cfg, opt, &list)) != 0) - return r; - *str = config_collate_cat(list); - config_delstrlist(list); - if(!*str) return 2; - return 0; -} - -char* -config_collate_cat(struct config_strlist* list) -{ - size_t total = 0, left; - struct config_strlist* s; - char *r, *w; - if(!list) /* no elements */ - return strdup(""); - if(list->next == NULL) /* one element , no newline at end. */ - return strdup(list->str); - /* count total length */ - for(s=list; s; s=s->next) - total += strlen(s->str) + 1; /* len + newline */ - left = total+1; /* one extra for nul at end */ - r = malloc(left); - if(!r) - return NULL; - w = r; - for(s=list; s; s=s->next) { - size_t this = strlen(s->str); - if(this+2 > left) { /* sanity check */ - free(r); - return NULL; - } - snprintf(w, left, "%s\n", s->str); - this = strlen(w); - w += this; - left -= this; - } - return r; -} - -/** compare and print decimal option */ -#define O_DEC(opt, str, var) if(strcmp(opt, str)==0) \ - {snprintf(buf, len, "%d", (int)cfg->var); \ - func(buf, arg);} -/** compare and print unsigned option */ -#define O_UNS(opt, str, var) if(strcmp(opt, str)==0) \ - {snprintf(buf, len, "%u", (unsigned)cfg->var); \ - func(buf, arg);} -/** compare and print yesno option */ -#define O_YNO(opt, str, var) if(strcmp(opt, str)==0) \ - {func(cfg->var?"yes":"no", arg);} -/** compare and print string option */ -#define O_STR(opt, str, var) if(strcmp(opt, str)==0) \ - {func(cfg->var?cfg->var:"", arg);} -/** compare and print array option */ -#define O_IFC(opt, str, num, arr) if(strcmp(opt, str)==0) \ - {int i; for(i=0; i<cfg->num; i++) func(cfg->arr[i], arg);} -/** compare and print memorysize option */ -#define O_MEM(opt, str, var) if(strcmp(opt, str)==0) { \ - if(cfg->var > 1024*1024*1024) { \ - size_t f=cfg->var/(size_t)1000000, b=cfg->var%(size_t)1000000; \ - snprintf(buf, len, "%u%6.6u", (unsigned)f, (unsigned)b); \ - } else snprintf(buf, len, "%u", (unsigned)cfg->var); \ - func(buf, arg);} -/** compare and print list option */ -#define O_LST(opt, name, lst) if(strcmp(opt, name)==0) { \ - struct config_strlist* p = cfg->lst; \ - for(p = cfg->lst; p; p = p->next) \ - func(p->str, arg); \ - } -/** compare and print list option */ -#define O_LS2(opt, name, lst) if(strcmp(opt, name)==0) { \ - struct config_str2list* p = cfg->lst; \ - for(p = cfg->lst; p; p = p->next) { \ - snprintf(buf, len, "%s %s", p->str, p->str2); \ - func(buf, arg); \ - } \ - } -/** compare and print list option */ -#define O_LS3(opt, name, lst) if(strcmp(opt, name)==0) { \ - struct config_str3list* p = cfg->lst; \ - for(p = cfg->lst; p; p = p->next) { \ - snprintf(buf, len, "%s %s %s", p->str, p->str2, p->str3); \ - func(buf, arg); \ - } \ - } -/** compare and print taglist option */ -#define O_LTG(opt, name, lst) if(strcmp(opt, name)==0) { \ - char* tmpstr = NULL; \ - struct config_strbytelist *p = cfg->lst; \ - for(p = cfg->lst; p; p = p->next) {\ - tmpstr = config_taglist2str(cfg, p->str2, p->str2len); \ - if(tmpstr) {\ - snprintf(buf, len, "%s %s", p->str, tmpstr); \ - func(buf, arg); \ - free(tmpstr); \ - } \ - } \ - } - -int -config_get_option(struct config_file* cfg, const char* opt, - void (*func)(char*,void*), void* arg) -{ - char buf[1024]; - size_t len = sizeof(buf); - fptr_ok(fptr_whitelist_print_func(func)); - O_DEC(opt, "verbosity", verbosity) - else O_DEC(opt, "statistics-interval", stat_interval) - else O_YNO(opt, "statistics-cumulative", stat_cumulative) - else O_YNO(opt, "extended-statistics", stat_extended) - else O_YNO(opt, "shm-enable", shm_enable) - else O_DEC(opt, "shm-key", shm_key) - else O_YNO(opt, "use-syslog", use_syslog) - else O_STR(opt, "log-identity", log_identity) - else O_YNO(opt, "log-time-ascii", log_time_ascii) - else O_DEC(opt, "num-threads", num_threads) - else O_IFC(opt, "interface", num_ifs, ifs) - else O_IFC(opt, "outgoing-interface", num_out_ifs, out_ifs) - else O_YNO(opt, "interface-automatic", if_automatic) - else O_DEC(opt, "port", port) - else O_DEC(opt, "outgoing-range", outgoing_num_ports) - else O_DEC(opt, "outgoing-num-tcp", outgoing_num_tcp) - else O_DEC(opt, "incoming-num-tcp", incoming_num_tcp) - else O_DEC(opt, "edns-buffer-size", edns_buffer_size) - else O_DEC(opt, "msg-buffer-size", msg_buffer_size) - else O_MEM(opt, "msg-cache-size", msg_cache_size) - else O_DEC(opt, "msg-cache-slabs", msg_cache_slabs) - else O_DEC(opt, "num-queries-per-thread", num_queries_per_thread) - else O_UNS(opt, "jostle-timeout", jostle_time) - else O_MEM(opt, "so-rcvbuf", so_rcvbuf) - else O_MEM(opt, "so-sndbuf", so_sndbuf) - else O_YNO(opt, "so-reuseport", so_reuseport) - else O_YNO(opt, "ip-transparent", ip_transparent) - else O_YNO(opt, "ip-freebind", ip_freebind) - else O_MEM(opt, "rrset-cache-size", rrset_cache_size) - else O_DEC(opt, "rrset-cache-slabs", rrset_cache_slabs) - else O_YNO(opt, "prefetch-key", prefetch_key) - else O_YNO(opt, "prefetch", prefetch) - else O_DEC(opt, "cache-max-ttl", max_ttl) - else O_DEC(opt, "cache-max-negative-ttl", max_negative_ttl) - else O_DEC(opt, "cache-min-ttl", min_ttl) - else O_DEC(opt, "infra-host-ttl", host_ttl) - else O_DEC(opt, "infra-cache-slabs", infra_cache_slabs) - else O_DEC(opt, "infra-cache-min-rtt", infra_cache_min_rtt) - else O_MEM(opt, "infra-cache-numhosts", infra_cache_numhosts) - else O_UNS(opt, "delay-close", delay_close) - else O_YNO(opt, "do-ip4", do_ip4) - else O_YNO(opt, "do-ip6", do_ip6) - else O_YNO(opt, "do-udp", do_udp) - else O_YNO(opt, "do-tcp", do_tcp) - else O_YNO(opt, "tcp-upstream", tcp_upstream) - else O_DEC(opt, "tcp-mss", tcp_mss) - else O_DEC(opt, "outgoing-tcp-mss", outgoing_tcp_mss) - else O_YNO(opt, "ssl-upstream", ssl_upstream) - else O_STR(opt, "ssl-service-key", ssl_service_key) - else O_STR(opt, "ssl-service-pem", ssl_service_pem) - else O_DEC(opt, "ssl-port", ssl_port) - else O_YNO(opt, "use-systemd", use_systemd) - else O_YNO(opt, "do-daemonize", do_daemonize) - else O_STR(opt, "chroot", chrootdir) - else O_STR(opt, "username", username) - else O_STR(opt, "directory", directory) - else O_STR(opt, "logfile", logfile) - else O_YNO(opt, "log-queries", log_queries) - else O_YNO(opt, "log-replies", log_replies) - else O_STR(opt, "pidfile", pidfile) - else O_YNO(opt, "hide-identity", hide_identity) - else O_YNO(opt, "hide-version", hide_version) - else O_YNO(opt, "hide-trustanchor", hide_trustanchor) - else O_STR(opt, "identity", identity) - else O_STR(opt, "version", version) - else O_STR(opt, "target-fetch-policy", target_fetch_policy) - else O_YNO(opt, "harden-short-bufsize", harden_short_bufsize) - else O_YNO(opt, "harden-large-queries", harden_large_queries) - else O_YNO(opt, "harden-glue", harden_glue) - else O_YNO(opt, "harden-dnssec-stripped", harden_dnssec_stripped) - else O_YNO(opt, "harden-below-nxdomain", harden_below_nxdomain) - else O_YNO(opt, "harden-referral-path", harden_referral_path) - else O_YNO(opt, "harden-algo-downgrade", harden_algo_downgrade) - else O_YNO(opt, "use-caps-for-id", use_caps_bits_for_id) - else O_LST(opt, "caps-whitelist", caps_whitelist) - else O_DEC(opt, "unwanted-reply-threshold", unwanted_threshold) - else O_YNO(opt, "do-not-query-localhost", donotquery_localhost) - else O_STR(opt, "module-config", module_conf) - else O_STR(opt, "dlv-anchor-file", dlv_anchor_file) - else O_DEC(opt, "val-bogus-ttl", bogus_ttl) - else O_YNO(opt, "val-clean-additional", val_clean_additional) - else O_DEC(opt, "val-log-level", val_log_level) - else O_YNO(opt, "val-permissive-mode", val_permissive_mode) - else O_YNO(opt, "ignore-cd-flag", ignore_cd) - else O_YNO(opt, "serve-expired", serve_expired) - else O_STR(opt, "val-nsec3-keysize-iterations",val_nsec3_key_iterations) - else O_UNS(opt, "add-holddown", add_holddown) - else O_UNS(opt, "del-holddown", del_holddown) - else O_UNS(opt, "keep-missing", keep_missing) - else O_YNO(opt, "permit-small-holddown", permit_small_holddown) - else O_MEM(opt, "key-cache-size", key_cache_size) - else O_DEC(opt, "key-cache-slabs", key_cache_slabs) - else O_MEM(opt, "neg-cache-size", neg_cache_size) - else O_YNO(opt, "control-enable", remote_control_enable) - else O_DEC(opt, "control-port", control_port) - else O_STR(opt, "server-key-file", server_key_file) - else O_STR(opt, "server-cert-file", server_cert_file) - else O_STR(opt, "control-key-file", control_key_file) - else O_STR(opt, "control-cert-file", control_cert_file) - else O_LST(opt, "root-hints", root_hints) - else O_LS2(opt, "access-control", acls) - else O_LST(opt, "do-not-query-address", donotqueryaddrs) - else O_LST(opt, "private-address", private_address) - else O_LST(opt, "private-domain", private_domain) - else O_LST(opt, "auto-trust-anchor-file", auto_trust_anchor_file_list) - else O_LST(opt, "trust-anchor-file", trust_anchor_file_list) - else O_LST(opt, "trust-anchor", trust_anchor_list) - else O_LST(opt, "trusted-keys-file", trusted_keys_file_list) - else O_LST(opt, "dlv-anchor", dlv_anchor_list) - else O_LST(opt, "control-interface", control_ifs) - else O_LST(opt, "domain-insecure", domain_insecure) - else O_UNS(opt, "val-override-date", val_date_override) - else O_YNO(opt, "minimal-responses", minimal_responses) - else O_YNO(opt, "rrset-roundrobin", rrset_roundrobin) -#ifdef CLIENT_SUBNET - else O_LST(opt, "send-client-subnet", client_subnet) - else O_DEC(opt, "max-client-subnet-ipv4", max_client_subnet_ipv4) - else O_DEC(opt, "max-client-subnet-ipv6", max_client_subnet_ipv6) - else O_YNO(opt, "client-subnet-always-forward:", - client_subnet_always_forward) -#endif - else O_YNO(opt, "unblock-lan-zones", unblock_lan_zones) - else O_YNO(opt, "insecure-lan-zones", insecure_lan_zones) - else O_DEC(opt, "max-udp-size", max_udp_size) - else O_STR(opt, "python-script", python_script) - else O_YNO(opt, "disable-dnssec-lame-check", disable_dnssec_lame_check) - else O_DEC(opt, "ip-ratelimit", ip_ratelimit) - else O_DEC(opt, "ratelimit", ratelimit) - else O_MEM(opt, "ip-ratelimit-size", ip_ratelimit_size) - else O_MEM(opt, "ratelimit-size", ratelimit_size) - else O_DEC(opt, "ip-ratelimit-slabs", ip_ratelimit_slabs) - else O_DEC(opt, "ratelimit-slabs", ratelimit_slabs) - else O_LS2(opt, "ratelimit-for-domain", ratelimit_for_domain) - else O_LS2(opt, "ratelimit-below-domain", ratelimit_below_domain) - else O_DEC(opt, "ip-ratelimit-factor", ip_ratelimit_factor) - else O_DEC(opt, "ratelimit-factor", ratelimit_factor) - else O_DEC(opt, "val-sig-skew-min", val_sig_skew_min) - else O_DEC(opt, "val-sig-skew-max", val_sig_skew_max) - else O_YNO(opt, "qname-minimisation", qname_minimisation) - else O_YNO(opt, "qname-minimisation-strict", qname_minimisation_strict) - else O_IFC(opt, "define-tag", num_tags, tagname) - else O_LTG(opt, "local-zone-tag", local_zone_tags) - else O_LTG(opt, "access-control-tag", acl_tags) - else O_LTG(opt, "response-ip-tag", respip_tags) - else O_LS3(opt, "local-zone-override", local_zone_overrides) - else O_LS3(opt, "access-control-tag-action", acl_tag_actions) - else O_LS3(opt, "access-control-tag-data", acl_tag_datas) - else O_LS2(opt, "access-control-view", acl_view) - /* not here: - * outgoing-permit, outgoing-avoid - have list of ports - * local-zone - zones and nodefault variables - * local-data - see below - * local-data-ptr - converted to local-data entries - * stub-zone, name, stub-addr, stub-host, stub-prime - * forward-zone, name, forward-addr, forward-host - */ - else return 0; - return 1; -} - -/** initialize the global cfg_parser object */ -static void -create_cfg_parser(struct config_file* cfg, char* filename, const char* chroot) -{ - static struct config_parser_state st; - cfg_parser = &st; - cfg_parser->filename = filename; - cfg_parser->line = 1; - cfg_parser->errors = 0; - cfg_parser->cfg = cfg; - cfg_parser->chroot = chroot; - init_cfg_parse(); -} - -int -config_read(struct config_file* cfg, const char* filename, const char* chroot) -{ - FILE *in; - char *fname = (char*)filename; -#ifdef HAVE_GLOB - glob_t g; - size_t i; - int r, flags; -#endif - if(!fname) - return 1; - - /* check for wildcards */ -#ifdef HAVE_GLOB - if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') && - !strchr(fname, '{') && !strchr(fname, '~'))) { - verbose(VERB_QUERY, "wildcard found, processing %s", fname); - flags = 0 -#ifdef GLOB_ERR - | GLOB_ERR -#endif -#ifdef GLOB_NOSORT - | GLOB_NOSORT -#endif -#ifdef GLOB_BRACE - | GLOB_BRACE -#endif -#ifdef GLOB_TILDE - | GLOB_TILDE -#endif - ; - memset(&g, 0, sizeof(g)); - r = glob(fname, flags, NULL, &g); - if(r) { - /* some error */ - globfree(&g); - if(r == GLOB_NOMATCH) { - verbose(VERB_QUERY, "include: " - "no matches for %s", fname); - return 1; - } else if(r == GLOB_NOSPACE) { - log_err("include: %s: " - "fnametern out of memory", fname); - } else if(r == GLOB_ABORTED) { - log_err("wildcard include: %s: expansion " - "aborted (%s)", fname, strerror(errno)); - } else { - log_err("wildcard include: %s: expansion " - "failed (%s)", fname, strerror(errno)); - } - /* ignore globs that yield no files */ - return 1; - } - /* process files found, if any */ - for(i=0; i<(size_t)g.gl_pathc; i++) { - if(!config_read(cfg, g.gl_pathv[i], chroot)) { - log_err("error reading wildcard " - "include: %s", g.gl_pathv[i]); - globfree(&g); - return 0; - } - } - globfree(&g); - return 1; - } -#endif /* HAVE_GLOB */ - - in = fopen(fname, "r"); - if(!in) { - log_err("Could not open %s: %s", fname, strerror(errno)); - return 0; - } - create_cfg_parser(cfg, fname, chroot); - ub_c_in = in; - ub_c_parse(); - fclose(in); - - if(!cfg->dnscrypt) cfg->dnscrypt_port = 0; - - if(cfg_parser->errors != 0) { - fprintf(stderr, "read %s failed: %d errors in configuration file\n", - fname, cfg_parser->errors); - errno=EINVAL; - return 0; - } - - return 1; -} - -struct config_stub* cfg_stub_find(struct config_stub*** pp, const char* nm) -{ - struct config_stub* p = *(*pp); - while(p) { - if(strcmp(p->name, nm) == 0) - return p; - (*pp) = &p->next; - p = p->next; - } - return NULL; -} - -void -config_delstrlist(struct config_strlist* p) -{ - struct config_strlist *np; - while(p) { - np = p->next; - free(p->str); - free(p); - p = np; - } -} - -void -config_deldblstrlist(struct config_str2list* p) -{ - struct config_str2list *np; - while(p) { - np = p->next; - free(p->str); - free(p->str2); - free(p); - p = np; - } -} - -void -config_deltrplstrlist(struct config_str3list* p) -{ - struct config_str3list *np; - while(p) { - np = p->next; - free(p->str); - free(p->str2); - free(p->str3); - free(p); - p = np; - } -} - -void -config_delstub(struct config_stub* p) -{ - if(!p) return; - free(p->name); - config_delstrlist(p->hosts); - config_delstrlist(p->addrs); - free(p); -} - -void -config_delstubs(struct config_stub* p) -{ - struct config_stub* np; - while(p) { - np = p->next; - config_delstub(p); - p = np; - } -} - -void -config_delview(struct config_view* p) -{ - if(!p) return; - free(p->name); - config_deldblstrlist(p->local_zones); - config_delstrlist(p->local_zones_nodefault); - config_delstrlist(p->local_data); - free(p); -} - -void -config_delviews(struct config_view* p) -{ - struct config_view* np; - while(p) { - np = p->next; - config_delview(p); - p = np; - } -} -/** delete string array */ -static void -config_del_strarray(char** array, int num) -{ - int i; - if(!array) - return; - for(i=0; i<num; i++) { - free(array[i]); - } - free(array); -} - -void -config_del_strbytelist(struct config_strbytelist* p) -{ - struct config_strbytelist* np; - while(p) { - np = p->next; - free(p->str); - free(p->str2); - free(p); - p = np; - } -} - -void -config_delete(struct config_file* cfg) -{ - if(!cfg) return; - free(cfg->username); - free(cfg->chrootdir); - free(cfg->directory); - free(cfg->logfile); - free(cfg->pidfile); - free(cfg->target_fetch_policy); - free(cfg->ssl_service_key); - free(cfg->ssl_service_pem); - free(cfg->log_identity); - config_del_strarray(cfg->ifs, cfg->num_ifs); - config_del_strarray(cfg->out_ifs, cfg->num_out_ifs); - config_delstubs(cfg->stubs); - config_delstubs(cfg->forwards); - config_delviews(cfg->views); - config_delstrlist(cfg->donotqueryaddrs); - config_delstrlist(cfg->root_hints); -#ifdef CLIENT_SUBNET - config_delstrlist(cfg->client_subnet); -#endif - free(cfg->identity); - free(cfg->version); - free(cfg->module_conf); - free(cfg->outgoing_avail_ports); - config_delstrlist(cfg->caps_whitelist); - config_delstrlist(cfg->private_address); - config_delstrlist(cfg->private_domain); - config_delstrlist(cfg->auto_trust_anchor_file_list); - config_delstrlist(cfg->trust_anchor_file_list); - config_delstrlist(cfg->trusted_keys_file_list); - config_delstrlist(cfg->trust_anchor_list); - config_delstrlist(cfg->domain_insecure); - free(cfg->dlv_anchor_file); - config_delstrlist(cfg->dlv_anchor_list); - config_deldblstrlist(cfg->acls); - free(cfg->val_nsec3_key_iterations); - config_deldblstrlist(cfg->local_zones); - config_delstrlist(cfg->local_zones_nodefault); - config_delstrlist(cfg->local_data); - config_deltrplstrlist(cfg->local_zone_overrides); - config_del_strarray(cfg->tagname, cfg->num_tags); - config_del_strbytelist(cfg->local_zone_tags); - config_del_strbytelist(cfg->acl_tags); - config_del_strbytelist(cfg->respip_tags); - config_deltrplstrlist(cfg->acl_tag_actions); - config_deltrplstrlist(cfg->acl_tag_datas); - config_delstrlist(cfg->control_ifs); - free(cfg->server_key_file); - free(cfg->server_cert_file); - free(cfg->control_key_file); - free(cfg->control_cert_file); - free(cfg->dns64_prefix); - free(cfg->dnstap_socket_path); - free(cfg->dnstap_identity); - free(cfg->dnstap_version); - config_deldblstrlist(cfg->ratelimit_for_domain); - config_deldblstrlist(cfg->ratelimit_below_domain); - free(cfg); -} - -static void -init_outgoing_availports(int* a, int num) -{ - /* generated with make iana_update */ - const int iana_assigned[] = { -#include "util/iana_ports.inc" - -1 }; /* end marker to put behind trailing comma */ - - int i; - /* do not use <1024, that could be trouble with the system, privs */ - for(i=1024; i<num; i++) { - a[i] = i; - } - /* create empty spot at 49152 to keep ephemeral ports available - * to other programs */ - for(i=49152; i<49152+256; i++) - a[i] = 0; - /* pick out all the IANA assigned ports */ - for(i=0; iana_assigned[i]!=-1; i++) { - if(iana_assigned[i] < num) - a[iana_assigned[i]] = 0; - } -} - -int -cfg_mark_ports(const char* str, int allow, int* avail, int num) -{ - char* mid = strchr(str, '-'); - if(!mid) { - int port = atoi(str); - if(port == 0 && strcmp(str, "0") != 0) { - log_err("cannot parse port number '%s'", str); - return 0; - } - if(port < num) - avail[port] = (allow?port:0); - } else { - int i, low, high = atoi(mid+1); - char buf[16]; - if(high == 0 && strcmp(mid+1, "0") != 0) { - log_err("cannot parse port number '%s'", mid+1); - return 0; - } - if( (int)(mid-str)+1 >= (int)sizeof(buf) ) { - log_err("cannot parse port number '%s'", str); - return 0; - } - if(mid > str) - memcpy(buf, str, (size_t)(mid-str)); - buf[mid-str] = 0; - low = atoi(buf); - if(low == 0 && strcmp(buf, "0") != 0) { - log_err("cannot parse port number '%s'", buf); - return 0; - } - for(i=low; i<=high; i++) { - if(i < num) - avail[i] = (allow?i:0); - } - return 1; - } - return 1; -} - -int -cfg_scan_ports(int* avail, int num) -{ - int i; - int count = 0; - for(i=0; i<num; i++) { - if(avail[i]) - count++; - } - return count; -} - -int cfg_condense_ports(struct config_file* cfg, int** avail) -{ - int num = cfg_scan_ports(cfg->outgoing_avail_ports, 65536); - int i, at = 0; - *avail = NULL; - if(num == 0) - return 0; - *avail = (int*)reallocarray(NULL, (size_t)num, sizeof(int)); - if(!*avail) - return 0; - for(i=0; i<65536; i++) { - if(cfg->outgoing_avail_ports[i]) - (*avail)[at++] = cfg->outgoing_avail_ports[i]; - } - log_assert(at == num); - return num; -} - -/** print error with file and line number */ -static void ub_c_error_va_list(const char *fmt, va_list args) -{ - cfg_parser->errors++; - fprintf(stderr, "%s:%d: error: ", cfg_parser->filename, - cfg_parser->line); - vfprintf(stderr, fmt, args); - fprintf(stderr, "\n"); -} - -/** print error with file and line number */ -void ub_c_error_msg(const char* fmt, ...) -{ - va_list args; - va_start(args, fmt); - ub_c_error_va_list(fmt, args); - va_end(args); -} - -void ub_c_error(const char *str) -{ - cfg_parser->errors++; - fprintf(stderr, "%s:%d: error: %s\n", cfg_parser->filename, - cfg_parser->line, str); -} - -int ub_c_wrap(void) -{ - return 1; -} - -int cfg_strlist_append(struct config_strlist_head* list, char* item) -{ - struct config_strlist *s; - if(!item || !list) - return 0; - s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); - if(!s) - return 0; - s->str = item; - s->next = NULL; - if(list->last) - list->last->next = s; - else - list->first = s; - list->last = s; - return 1; -} - -int -cfg_region_strlist_insert(struct regional* region, - struct config_strlist** head, char* item) -{ - struct config_strlist *s; - if(!item || !head) - return 0; - s = (struct config_strlist*)regional_alloc_zero(region, - sizeof(struct config_strlist)); - if(!s) - return 0; - s->str = item; - s->next = *head; - *head = s; - return 1; -} - -int -cfg_strlist_insert(struct config_strlist** head, char* item) -{ - struct config_strlist *s; - if(!item || !head) - return 0; - s = (struct config_strlist*)calloc(1, sizeof(struct config_strlist)); - if(!s) - return 0; - s->str = item; - s->next = *head; - *head = s; - return 1; -} - -int -cfg_str2list_insert(struct config_str2list** head, char* item, char* i2) -{ - struct config_str2list *s; - if(!item || !i2 || !head) - return 0; - s = (struct config_str2list*)calloc(1, sizeof(struct config_str2list)); - if(!s) - return 0; - s->str = item; - s->str2 = i2; - s->next = *head; - *head = s; - return 1; -} - -int -cfg_str3list_insert(struct config_str3list** head, char* item, char* i2, - char* i3) -{ - struct config_str3list *s; - if(!item || !i2 || !i3 || !head) - return 0; - s = (struct config_str3list*)calloc(1, sizeof(struct config_str3list)); - if(!s) - return 0; - s->str = item; - s->str2 = i2; - s->str3 = i3; - s->next = *head; - *head = s; - return 1; -} - -int -cfg_strbytelist_insert(struct config_strbytelist** head, char* item, - uint8_t* i2, size_t i2len) -{ - struct config_strbytelist* s; - if(!item || !i2 || !head) - return 0; - s = (struct config_strbytelist*)calloc(1, sizeof(*s)); - if(!s) - return 0; - s->str = item; - s->str2 = i2; - s->str2len = i2len; - s->next = *head; - *head = s; - return 1; -} - -time_t -cfg_convert_timeval(const char* str) -{ - time_t t; - struct tm tm; - memset(&tm, 0, sizeof(tm)); - if(strlen(str) < 14) - return 0; - if(sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, - &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) - return 0; - tm.tm_year -= 1900; - tm.tm_mon--; - /* Check values */ - if (tm.tm_year < 70) return 0; - if (tm.tm_mon < 0 || tm.tm_mon > 11) return 0; - if (tm.tm_mday < 1 || tm.tm_mday > 31) return 0; - if (tm.tm_hour < 0 || tm.tm_hour > 23) return 0; - if (tm.tm_min < 0 || tm.tm_min > 59) return 0; - if (tm.tm_sec < 0 || tm.tm_sec > 59) return 0; - /* call ldns conversion function */ - t = sldns_mktime_from_utc(&tm); - return t; -} - -int -cfg_count_numbers(const char* s) -{ - /* format ::= (sp num)+ sp */ - /* num ::= [-](0-9)+ */ - /* sp ::= (space|tab)* */ - int num = 0; - while(*s) { - while(*s && isspace((unsigned char)*s)) - s++; - if(!*s) /* end of string */ - break; - if(*s == '-') - s++; - if(!*s) /* only - not allowed */ - return 0; - if(!isdigit((unsigned char)*s)) /* bad character */ - return 0; - while(*s && isdigit((unsigned char)*s)) - s++; - num++; - } - return num; -} - -/** all digit number */ -static int isalldigit(const char* str, size_t l) -{ - size_t i; - for(i=0; i<l; i++) - if(!isdigit((unsigned char)str[i])) - return 0; - return 1; -} - -int -cfg_parse_memsize(const char* str, size_t* res) -{ - size_t len; - size_t mult = 1; - if(!str || (len=(size_t)strlen(str)) == 0) { - log_err("not a size: '%s'", str); - return 0; - } - if(isalldigit(str, len)) { - *res = (size_t)atol(str); - return 1; - } - /* check appended num */ - while(len>0 && str[len-1]==' ') - len--; - if(len > 1 && str[len-1] == 'b') - len--; - else if(len > 1 && str[len-1] == 'B') - len--; - - if(len > 1 && tolower((unsigned char)str[len-1]) == 'g') - mult = 1024*1024*1024; - else if(len > 1 && tolower((unsigned char)str[len-1]) == 'm') - mult = 1024*1024; - else if(len > 1 && tolower((unsigned char)str[len-1]) == 'k') - mult = 1024; - else if(len > 0 && isdigit((unsigned char)str[len-1])) - mult = 1; - else { - log_err("unknown size specifier: '%s'", str); - return 0; - } - while(len>1 && str[len-2]==' ') - len--; - - if(!isalldigit(str, len-1)) { - log_err("unknown size specifier: '%s'", str); - return 0; - } - *res = ((size_t)atol(str)) * mult; - return 1; -} - -int -find_tag_id(struct config_file* cfg, const char* tag) -{ - int i; - for(i=0; i<cfg->num_tags; i++) { - if(strcmp(cfg->tagname[i], tag) == 0) - return i; - } - return -1; -} - -int -config_add_tag(struct config_file* cfg, const char* tag) -{ - char** newarray; - char* newtag; - if(find_tag_id(cfg, tag) != -1) - return 1; /* nothing to do */ - newarray = (char**)malloc(sizeof(char*)*(cfg->num_tags+1)); - if(!newarray) - return 0; - newtag = strdup(tag); - if(!newtag) { - free(newarray); - return 0; - } - if(cfg->tagname) { - memcpy(newarray, cfg->tagname, sizeof(char*)*cfg->num_tags); - free(cfg->tagname); - } - newarray[cfg->num_tags++] = newtag; - cfg->tagname = newarray; - return 1; -} - -/** set a bit in a bit array */ -static void -cfg_set_bit(uint8_t* bitlist, size_t len, int id) -{ - int pos = id/8; - log_assert((size_t)pos < len); - (void)len; - bitlist[pos] |= 1<<(id%8); -} - -uint8_t* config_parse_taglist(struct config_file* cfg, char* str, - size_t* listlen) -{ - uint8_t* taglist = NULL; - size_t len = 0; - char* p, *s; - - /* allocate */ - if(cfg->num_tags == 0) { - log_err("parse taglist, but no tags defined"); - return 0; - } - len = (size_t)(cfg->num_tags+7)/8; - taglist = calloc(1, len); - if(!taglist) { - log_err("out of memory"); - return 0; - } - - /* parse */ - s = str; - while((p=strsep(&s, " \t\n")) != NULL) { - if(*p) { - int id = find_tag_id(cfg, p); - /* set this bit in the bitlist */ - if(id == -1) { - log_err("unknown tag: %s", p); - free(taglist); - return 0; - } - cfg_set_bit(taglist, len, id); - } - } - - *listlen = len; - return taglist; -} - -char* config_taglist2str(struct config_file* cfg, uint8_t* taglist, - size_t taglen) -{ - char buf[10240]; - size_t i, j, len = 0; - buf[0] = 0; - for(i=0; i<taglen; i++) { - if(taglist[i] == 0) - continue; - for(j=0; j<8; j++) { - if((taglist[i] & (1<<j)) != 0) { - size_t id = i*8 + j; - snprintf(buf+len, sizeof(buf)-len, "%s%s", - (len==0?"":" "), cfg->tagname[id]); - len += strlen(buf+len); - } - } - } - return strdup(buf); -} - -int taglist_intersect(uint8_t* list1, size_t list1len, uint8_t* list2, - size_t list2len) -{ - size_t i; - if(!list1 || !list2) - return 0; - for(i=0; i<list1len && i<list2len; i++) { - if((list1[i] & list2[i]) != 0) - return 1; - } - return 0; -} - -void -config_apply(struct config_file* config) -{ - MAX_TTL = (time_t)config->max_ttl; - MIN_TTL = (time_t)config->min_ttl; - MAX_NEG_TTL = (time_t)config->max_negative_ttl; - RTT_MIN_TIMEOUT = config->infra_cache_min_rtt; - EDNS_ADVERTISED_SIZE = (uint16_t)config->edns_buffer_size; - MINIMAL_RESPONSES = config->minimal_responses; - RRSET_ROUNDROBIN = config->rrset_roundrobin; - log_set_time_asc(config->log_time_ascii); - autr_permit_small_holddown = config->permit_small_holddown; -} - -void config_lookup_uid(struct config_file* cfg) -{ -#ifdef HAVE_GETPWNAM - /* translate username into uid and gid */ - if(cfg->username && cfg->username[0]) { - struct passwd *pwd; - if((pwd = getpwnam(cfg->username)) != NULL) { - cfg_uid = pwd->pw_uid; - cfg_gid = pwd->pw_gid; - } - } -#else - (void)cfg; -#endif -} - -/** - * Calculate string length of full pathname in original filesys - * @param fname: the path name to convert. - * Must not be null or empty. - * @param cfg: config struct for chroot and chdir (if set). - * @param use_chdir: if false, only chroot is applied. - * @return length of string. - * remember to allocate one more for 0 at end in mallocs. - */ -static size_t -strlen_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) -{ - size_t len = 0; - int slashit = 0; - if(cfg->chrootdir && cfg->chrootdir[0] && - strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { - /* already full pathname, return it */ - return strlen(fname); - } - /* chroot */ - if(cfg->chrootdir && cfg->chrootdir[0]) { - /* start with chrootdir */ - len += strlen(cfg->chrootdir); - slashit = 1; - } - /* chdir */ -#ifdef UB_ON_WINDOWS - if(fname[0] != 0 && fname[1] == ':') { - /* full path, no chdir */ - } else -#endif - if(fname[0] == '/' || !use_chdir) { - /* full path, no chdir */ - } else if(cfg->directory && cfg->directory[0]) { - /* prepend chdir */ - if(slashit && cfg->directory[0] != '/') - len++; - if(cfg->chrootdir && cfg->chrootdir[0] && - strncmp(cfg->chrootdir, cfg->directory, - strlen(cfg->chrootdir)) == 0) - len += strlen(cfg->directory)-strlen(cfg->chrootdir); - else len += strlen(cfg->directory); - slashit = 1; - } - /* fname */ - if(slashit && fname[0] != '/') - len++; - len += strlen(fname); - return len; -} - -char* -fname_after_chroot(const char* fname, struct config_file* cfg, int use_chdir) -{ - size_t len = strlen_after_chroot(fname, cfg, use_chdir)+1; - int slashit = 0; - char* buf = (char*)malloc(len); - if(!buf) - return NULL; - buf[0] = 0; - /* is fname already in chroot ? */ - if(cfg->chrootdir && cfg->chrootdir[0] && - strncmp(cfg->chrootdir, fname, strlen(cfg->chrootdir)) == 0) { - /* already full pathname, return it */ - (void)strlcpy(buf, fname, len); - buf[len-1] = 0; - return buf; - } - /* chroot */ - if(cfg->chrootdir && cfg->chrootdir[0]) { - /* start with chrootdir */ - (void)strlcpy(buf, cfg->chrootdir, len); - slashit = 1; - } -#ifdef UB_ON_WINDOWS - if(fname[0] != 0 && fname[1] == ':') { - /* full path, no chdir */ - } else -#endif - /* chdir */ - if(fname[0] == '/' || !use_chdir) { - /* full path, no chdir */ - } else if(cfg->directory && cfg->directory[0]) { - /* prepend chdir */ - if(slashit && cfg->directory[0] != '/') - (void)strlcat(buf, "/", len); - /* is the directory already in the chroot? */ - if(cfg->chrootdir && cfg->chrootdir[0] && - strncmp(cfg->chrootdir, cfg->directory, - strlen(cfg->chrootdir)) == 0) - (void)strlcat(buf, cfg->directory+strlen(cfg->chrootdir), - len); - else (void)strlcat(buf, cfg->directory, len); - slashit = 1; - } - /* fname */ - if(slashit && fname[0] != '/') - (void)strlcat(buf, "/", len); - (void)strlcat(buf, fname, len); - buf[len-1] = 0; - return buf; -} - -/** return next space character in string */ -static char* next_space_pos(const char* str) -{ - char* sp = strchr(str, ' '); - char* tab = strchr(str, '\t'); - if(!tab && !sp) - return NULL; - if(!sp) return tab; - if(!tab) return sp; - return (sp<tab)?sp:tab; -} - -/** return last space character in string */ -static char* last_space_pos(const char* str) -{ - char* sp = strrchr(str, ' '); - char* tab = strrchr(str, '\t'); - if(!tab && !sp) - return NULL; - if(!sp) return tab; - if(!tab) return sp; - return (sp>tab)?sp:tab; -} - -int -cfg_parse_local_zone(struct config_file* cfg, const char* val) -{ - const char *type, *name_end, *name; - char buf[256]; - - /* parse it as: [zone_name] [between stuff] [zone_type] */ - name = val; - while(*name && isspace((unsigned char)*name)) - name++; - if(!*name) { - log_err("syntax error: too short: %s", val); - return 0; - } - name_end = next_space_pos(name); - if(!name_end || !*name_end) { - log_err("syntax error: expected zone type: %s", val); - return 0; - } - if (name_end - name > 255) { - log_err("syntax error: bad zone name: %s", val); - return 0; - } - (void)strlcpy(buf, name, sizeof(buf)); - buf[name_end-name] = '\0'; - - type = last_space_pos(name_end); - while(type && *type && isspace((unsigned char)*type)) - type++; - if(!type || !*type) { - log_err("syntax error: expected zone type: %s", val); - return 0; - } - - if(strcmp(type, "nodefault")==0) { - return cfg_strlist_insert(&cfg->local_zones_nodefault, - strdup(name)); - } else { - return cfg_str2list_insert(&cfg->local_zones, strdup(buf), - strdup(type)); - } -} - -char* cfg_ptr_reverse(char* str) -{ - char* ip, *ip_end; - char* name; - char* result; - char buf[1024]; - struct sockaddr_storage addr; - socklen_t addrlen; - - /* parse it as: [IP] [between stuff] [name] */ - ip = str; - while(*ip && isspace((unsigned char)*ip)) - ip++; - if(!*ip) { - log_err("syntax error: too short: %s", str); - return NULL; - } - ip_end = next_space_pos(ip); - if(!ip_end || !*ip_end) { - log_err("syntax error: expected name: %s", str); - return NULL; - } - - name = last_space_pos(ip_end); - if(!name || !*name) { - log_err("syntax error: expected name: %s", str); - return NULL; - } - - sscanf(ip, "%100s", buf); - buf[sizeof(buf)-1]=0; - - if(!ipstrtoaddr(buf, UNBOUND_DNS_PORT, &addr, &addrlen)) { - log_err("syntax error: cannot parse address: %s", str); - return NULL; - } - - /* reverse IPv4: - * ddd.ddd.ddd.ddd.in-addr-arpa. - * IPv6: (h.){32}.ip6.arpa. */ - - if(addr_is_ip6(&addr, addrlen)) { - uint8_t ad[16]; - const char* hex = "0123456789abcdef"; - char *p = buf; - int i; - memmove(ad, &((struct sockaddr_in6*)&addr)->sin6_addr, - sizeof(ad)); - for(i=15; i>=0; i--) { - uint8_t b = ad[i]; - *p++ = hex[ (b&0x0f) ]; - *p++ = '.'; - *p++ = hex[ (b&0xf0) >> 4 ]; - *p++ = '.'; - } - snprintf(buf+16*4, sizeof(buf)-16*4, "ip6.arpa. "); - } else { - uint8_t ad[4]; - memmove(ad, &((struct sockaddr_in*)&addr)->sin_addr, - sizeof(ad)); - snprintf(buf, sizeof(buf), "%u.%u.%u.%u.in-addr.arpa. ", - (unsigned)ad[3], (unsigned)ad[2], - (unsigned)ad[1], (unsigned)ad[0]); - } - - /* printed the reverse address, now the between goop and name on end */ - while(*ip_end && isspace((unsigned char)*ip_end)) - ip_end++; - if(name>ip_end) { - snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), "%.*s", - (int)(name-ip_end), ip_end); - } - snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), " PTR %s", name); - - result = strdup(buf); - if(!result) { - log_err("out of memory parsing %s", str); - return NULL; - } - return result; -} - -#ifdef UB_ON_WINDOWS -char* -w_lookup_reg_str(const char* key, const char* name) -{ - HKEY hk = NULL; - DWORD type = 0; - BYTE buf[1024]; - DWORD len = (DWORD)sizeof(buf); - LONG ret; - char* result = NULL; - ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); - if(ret == ERROR_FILE_NOT_FOUND) - return NULL; /* key does not exist */ - else if(ret != ERROR_SUCCESS) { - log_err("RegOpenKeyEx failed"); - return NULL; - } - ret = RegQueryValueEx(hk, (LPCTSTR)name, 0, &type, buf, &len); - if(RegCloseKey(hk)) - log_err("RegCloseKey"); - if(ret == ERROR_FILE_NOT_FOUND) - return NULL; /* name does not exist */ - else if(ret != ERROR_SUCCESS) { - log_err("RegQueryValueEx failed"); - return NULL; - } - if(type == REG_SZ || type == REG_MULTI_SZ || type == REG_EXPAND_SZ) { - buf[sizeof(buf)-1] = 0; - buf[sizeof(buf)-2] = 0; /* for multi_sz */ - result = strdup((char*)buf); - if(!result) log_err("out of memory"); - } - return result; -} - -void w_config_adjust_directory(struct config_file* cfg) -{ - if(cfg->directory && cfg->directory[0]) { - TCHAR dirbuf[2*MAX_PATH+4]; - if(strcmp(cfg->directory, "%EXECUTABLE%") == 0) { - /* get executable path, and if that contains - * directories, snip off the filename part */ - dirbuf[0] = 0; - if(!GetModuleFileName(NULL, dirbuf, MAX_PATH)) - log_err("could not GetModuleFileName"); - if(strrchr(dirbuf, '\\')) { - (strrchr(dirbuf, '\\'))[0] = 0; - } else log_err("GetModuleFileName had no path"); - if(dirbuf[0]) { - /* adjust directory for later lookups to work*/ - free(cfg->directory); - cfg->directory = memdup(dirbuf, strlen(dirbuf)+1); - } - } - } -} -#endif /* UB_ON_WINDOWS */ - -void errinf(struct module_qstate* qstate, const char* str) -{ - struct config_strlist* p; - if(qstate->env->cfg->val_log_level < 2 || !str) - return; - p = (struct config_strlist*)regional_alloc(qstate->region, sizeof(*p)); - if(!p) { - log_err("malloc failure in validator-error-info string"); - return; - } - p->next = NULL; - p->str = regional_strdup(qstate->region, str); - if(!p->str) { - log_err("malloc failure in validator-error-info string"); - return; - } - /* add at end */ - if(qstate->errinf) { - struct config_strlist* q = qstate->errinf; - while(q->next) - q = q->next; - q->next = p; - } else qstate->errinf = p; -} - -void errinf_origin(struct module_qstate* qstate, struct sock_list *origin) -{ - struct sock_list* p; - if(qstate->env->cfg->val_log_level < 2) - return; - for(p=origin; p; p=p->next) { - char buf[256]; - if(p == origin) - snprintf(buf, sizeof(buf), "from "); - else snprintf(buf, sizeof(buf), "and "); - if(p->len == 0) - snprintf(buf+strlen(buf), sizeof(buf)-strlen(buf), - "cache"); - else - addr_to_str(&p->addr, p->len, buf+strlen(buf), - sizeof(buf)-strlen(buf)); - errinf(qstate, buf); - } -} - -char* errinf_to_str(struct module_qstate* qstate) -{ - char buf[20480]; - char* p = buf; - size_t left = sizeof(buf); - struct config_strlist* s; - char dname[LDNS_MAX_DOMAINLEN+1]; - char t[16], c[16]; - sldns_wire2str_type_buf(qstate->qinfo.qtype, t, sizeof(t)); - sldns_wire2str_class_buf(qstate->qinfo.qclass, c, sizeof(c)); - dname_str(qstate->qinfo.qname, dname); - snprintf(p, left, "validation failure <%s %s %s>:", dname, t, c); - left -= strlen(p); p += strlen(p); - if(!qstate->errinf) - snprintf(p, left, " misc failure"); - else for(s=qstate->errinf; s; s=s->next) { - snprintf(p, left, " %s", s->str); - left -= strlen(p); p += strlen(p); - } - p = strdup(buf); - if(!p) - log_err("malloc failure in errinf_to_str"); - return p; -} - -void errinf_rrset(struct module_qstate* qstate, struct ub_packed_rrset_key *rr) -{ - char buf[1024]; - char dname[LDNS_MAX_DOMAINLEN+1]; - char t[16], c[16]; - if(qstate->env->cfg->val_log_level < 2 || !rr) - return; - sldns_wire2str_type_buf(ntohs(rr->rk.type), t, sizeof(t)); - sldns_wire2str_class_buf(ntohs(rr->rk.rrset_class), c, sizeof(c)); - dname_str(rr->rk.dname, dname); - snprintf(buf, sizeof(buf), "for <%s %s %s>", dname, t, c); - errinf(qstate, buf); -} - -void errinf_dname(struct module_qstate* qstate, const char* str, uint8_t* dname) -{ - char b[1024]; - char buf[LDNS_MAX_DOMAINLEN+1]; - if(qstate->env->cfg->val_log_level < 2 || !str || !dname) - return; - dname_str(dname, buf); - snprintf(b, sizeof(b), "%s %s", str, buf); - errinf(qstate, b); -} |