1b7579f77SDag-Erling Smørgrav /* 2b7579f77SDag-Erling Smørgrav * checkconf/unbound-control.c - remote control utility for unbound. 3b7579f77SDag-Erling Smørgrav * 4b7579f77SDag-Erling Smørgrav * Copyright (c) 2008, 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 * The remote control utility contacts the unbound server over ssl and 40b7579f77SDag-Erling Smørgrav * sends the command, receives the answer, and displays the result 41b7579f77SDag-Erling Smørgrav * from the commandline. 42b7579f77SDag-Erling Smørgrav */ 43b7579f77SDag-Erling Smørgrav 44b7579f77SDag-Erling Smørgrav #include "config.h" 45b7579f77SDag-Erling Smørgrav #ifdef HAVE_GETOPT_H 46b7579f77SDag-Erling Smørgrav #include <getopt.h> 47b7579f77SDag-Erling Smørgrav #endif 48b7579f77SDag-Erling Smørgrav #ifdef HAVE_OPENSSL_SSL_H 49b7579f77SDag-Erling Smørgrav #include <openssl/ssl.h> 50b7579f77SDag-Erling Smørgrav #endif 51b7579f77SDag-Erling Smørgrav #ifdef HAVE_OPENSSL_ERR_H 52b7579f77SDag-Erling Smørgrav #include <openssl/err.h> 53b7579f77SDag-Erling Smørgrav #endif 54b7579f77SDag-Erling Smørgrav #ifdef HAVE_OPENSSL_RAND_H 55b7579f77SDag-Erling Smørgrav #include <openssl/rand.h> 56b7579f77SDag-Erling Smørgrav #endif 57b7579f77SDag-Erling Smørgrav #include "util/log.h" 58b7579f77SDag-Erling Smørgrav #include "util/config_file.h" 59b7579f77SDag-Erling Smørgrav #include "util/locks.h" 60b7579f77SDag-Erling Smørgrav #include "util/net_help.h" 6165b390aaSDag-Erling Smørgrav #include "util/shm_side/shm_main.h" 6265b390aaSDag-Erling Smørgrav #include "daemon/stats.h" 6365b390aaSDag-Erling Smørgrav #include "sldns/wire2str.h" 6465b390aaSDag-Erling Smørgrav #include "sldns/pkthdr.h" 65091e9e46SCy Schubert #include "services/rpz.h" 66b7579f77SDag-Erling Smørgrav 6765b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_IPC_H 6865b390aaSDag-Erling Smørgrav #include "sys/ipc.h" 6965b390aaSDag-Erling Smørgrav #endif 7065b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_SHM_H 7165b390aaSDag-Erling Smørgrav #include "sys/shm.h" 7265b390aaSDag-Erling Smørgrav #endif 7331099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H 7431099b50SDag-Erling Smørgrav #include <sys/un.h> 7531099b50SDag-Erling Smørgrav #endif 7631099b50SDag-Erling Smørgrav 7725039b37SCy Schubert #ifdef HAVE_TARGETCONDITIONALS_H 7825039b37SCy Schubert #include <TargetConditionals.h> 7925039b37SCy Schubert #endif 8025039b37SCy Schubert 81a755b6f6SDag-Erling Smørgrav static void usage(void) ATTR_NORETURN; 82a755b6f6SDag-Erling Smørgrav static void ssl_err(const char* s) ATTR_NORETURN; 83a755b6f6SDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path) ATTR_NORETURN; 84a755b6f6SDag-Erling Smørgrav 85*f44e67d1SCy Schubert /** timeout to wait for connection over stream, in msec */ 86*f44e67d1SCy Schubert #define UNBOUND_CONTROL_CONNECT_TIMEOUT 5000 87*f44e67d1SCy Schubert 88b7579f77SDag-Erling Smørgrav /** Give unbound-control usage, and exit (1). */ 89b7579f77SDag-Erling Smørgrav static void 90b5663de9SDag-Erling Smørgrav usage(void) 91b7579f77SDag-Erling Smørgrav { 92b70d78d6SDag-Erling Smørgrav printf("Usage: local-unbound-control [options] command\n"); 93b7579f77SDag-Erling Smørgrav printf(" Remote control utility for unbound server.\n"); 94b7579f77SDag-Erling Smørgrav printf("Options:\n"); 95b7579f77SDag-Erling Smørgrav printf(" -c file config file, default is %s\n", CONFIGFILE); 96b7579f77SDag-Erling Smørgrav printf(" -s ip[@port] server address, if omitted config is used.\n"); 978ed2b524SDag-Erling Smørgrav printf(" -q quiet (don't print anything if it works ok).\n"); 98b7579f77SDag-Erling Smørgrav printf(" -h show this usage help.\n"); 99b7579f77SDag-Erling Smørgrav printf("Commands:\n"); 100b7579f77SDag-Erling Smørgrav printf(" start start server; runs unbound(8)\n"); 101b7579f77SDag-Erling Smørgrav printf(" stop stops the server\n"); 102b7579f77SDag-Erling Smørgrav printf(" reload reloads the server\n"); 103b7579f77SDag-Erling Smørgrav printf(" (this flushes data, stats, requestlist)\n"); 104b7579f77SDag-Erling Smørgrav printf(" stats print statistics\n"); 105b7579f77SDag-Erling Smørgrav printf(" stats_noreset peek at statistics\n"); 10665b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 10765b390aaSDag-Erling Smørgrav printf(" stats_shm print statistics using shm\n"); 10865b390aaSDag-Erling Smørgrav #endif 109b7579f77SDag-Erling Smørgrav printf(" status display status of server\n"); 110b7579f77SDag-Erling Smørgrav printf(" verbosity <number> change logging detail\n"); 111b7579f77SDag-Erling Smørgrav printf(" log_reopen close and open the logfile\n"); 112b7579f77SDag-Erling Smørgrav printf(" local_zone <name> <type> add new local zone\n"); 113b7579f77SDag-Erling Smørgrav printf(" local_zone_remove <name> remove local zone and its contents\n"); 114b7579f77SDag-Erling Smørgrav printf(" local_data <RR data...> add local data, for example\n"); 115b7579f77SDag-Erling Smørgrav printf(" local_data www.example.com A 192.0.2.1\n"); 116b7579f77SDag-Erling Smørgrav printf(" local_data_remove <name> remove local RR data from name\n"); 11765b390aaSDag-Erling Smørgrav printf(" local_zones, local_zones_remove, local_datas, local_datas_remove\n"); 11865b390aaSDag-Erling Smørgrav printf(" same, but read list from stdin\n"); 11965b390aaSDag-Erling Smørgrav printf(" (one entry per line).\n"); 120b7579f77SDag-Erling Smørgrav printf(" dump_cache print cache to stdout\n"); 121b7579f77SDag-Erling Smørgrav printf(" load_cache load cache from stdin\n"); 122b7579f77SDag-Erling Smørgrav printf(" lookup <name> print nameservers for name\n"); 123b7579f77SDag-Erling Smørgrav printf(" flush <name> flushes common types for name from cache\n"); 124b7579f77SDag-Erling Smørgrav printf(" types: A, AAAA, MX, PTR, NS,\n"); 125b7579f77SDag-Erling Smørgrav printf(" SOA, CNAME, DNAME, SRV, NAPTR\n"); 126b7579f77SDag-Erling Smørgrav printf(" flush_type <name> <type> flush name, type from cache\n"); 127b7579f77SDag-Erling Smørgrav printf(" flush_zone <name> flush everything at or under name\n"); 128b7579f77SDag-Erling Smørgrav printf(" from rr and dnssec caches\n"); 1298ed2b524SDag-Erling Smørgrav printf(" flush_bogus flush all bogus data\n"); 130ff825849SDag-Erling Smørgrav printf(" flush_negative flush all negative data\n"); 131b7579f77SDag-Erling Smørgrav printf(" flush_stats flush statistics, make zero\n"); 132b7579f77SDag-Erling Smørgrav printf(" flush_requestlist drop queries that are worked on\n"); 133e2d15004SDag-Erling Smørgrav printf(" dump_requestlist show what is worked on by first thread\n"); 134b7579f77SDag-Erling Smørgrav printf(" flush_infra [all | ip] remove ping, edns for one IP or all\n"); 135b7579f77SDag-Erling Smørgrav printf(" dump_infra show ping and edns entries\n"); 136b7579f77SDag-Erling Smørgrav printf(" set_option opt: val set option to value, no reload\n"); 137b7579f77SDag-Erling Smørgrav printf(" get_option opt get option value\n"); 138b7579f77SDag-Erling Smørgrav printf(" list_stubs list stub-zones and root hints in use\n"); 139b7579f77SDag-Erling Smørgrav printf(" list_forwards list forward-zones in use\n"); 14009a3aaf3SDag-Erling Smørgrav printf(" list_insecure list domain-insecure zones\n"); 141b7579f77SDag-Erling Smørgrav printf(" list_local_zones list local-zones in use\n"); 142b7579f77SDag-Erling Smørgrav printf(" list_local_data list local-data RRs in use\n"); 14317d15b25SDag-Erling Smørgrav printf(" insecure_add zone add domain-insecure zone\n"); 14417d15b25SDag-Erling Smørgrav printf(" insecure_remove zone remove domain-insecure zone\n"); 145b7579f77SDag-Erling Smørgrav printf(" forward_add [+i] zone addr.. add forward-zone with servers\n"); 146b7579f77SDag-Erling Smørgrav printf(" forward_remove [+i] zone remove forward zone\n"); 147b7579f77SDag-Erling Smørgrav printf(" stub_add [+ip] zone addr.. add stub-zone with servers\n"); 148b7579f77SDag-Erling Smørgrav printf(" stub_remove [+i] zone remove stub zone\n"); 149b7579f77SDag-Erling Smørgrav printf(" +i also do dnssec insecure point\n"); 150b7579f77SDag-Erling Smørgrav printf(" +p set stub to use priming\n"); 151b7579f77SDag-Erling Smørgrav printf(" forward [off | addr ...] without arg show forward setup\n"); 152b7579f77SDag-Erling Smørgrav printf(" or off to turn off root forwarding\n"); 153b7579f77SDag-Erling Smørgrav printf(" or give list of ip addresses\n"); 15409a3aaf3SDag-Erling Smørgrav printf(" ratelimit_list [+a] list ratelimited domains\n"); 1553005e0a3SDag-Erling Smørgrav printf(" ip_ratelimit_list [+a] list ratelimited ip addresses\n"); 15609a3aaf3SDag-Erling Smørgrav printf(" +a list all, also not ratelimited\n"); 1570fb34990SDag-Erling Smørgrav printf(" list_auth_zones list auth zones\n"); 1584c75e3aaSDag-Erling Smørgrav printf(" auth_zone_reload zone reload auth zone from zonefile\n"); 1594c75e3aaSDag-Erling Smørgrav printf(" auth_zone_transfer zone transfer auth zone from master\n"); 1603005e0a3SDag-Erling Smørgrav printf(" view_list_local_zones view list local-zones in view\n"); 1613005e0a3SDag-Erling Smørgrav printf(" view_list_local_data view list local-data RRs in view\n"); 1623005e0a3SDag-Erling Smørgrav printf(" view_local_zone view name type add local-zone in view\n"); 1633005e0a3SDag-Erling Smørgrav printf(" view_local_zone_remove view name remove local-zone in view\n"); 1643005e0a3SDag-Erling Smørgrav printf(" view_local_data view RR... add local-data in view\n"); 165e86b9096SDag-Erling Smørgrav printf(" view_local_datas view add list of local-data to view\n"); 166e86b9096SDag-Erling Smørgrav printf(" one entry per line read from stdin\n"); 1673005e0a3SDag-Erling Smørgrav printf(" view_local_data_remove view name remove local-data in view\n"); 168091e9e46SCy Schubert printf(" view_local_datas_remove view remove list of local-data from view\n"); 169091e9e46SCy Schubert printf(" one entry per line read from stdin\n"); 170*f44e67d1SCy Schubert printf(" rpz_enable zone Enable the RPZ zone if it had previously\n"); 171*f44e67d1SCy Schubert printf(" been disabled\n"); 172*f44e67d1SCy Schubert printf(" rpz_disable zone Disable the RPZ zone\n"); 173b7579f77SDag-Erling Smørgrav printf("Version %s\n", PACKAGE_VERSION); 174b7579f77SDag-Erling Smørgrav printf("BSD licensed, see LICENSE in source package for details.\n"); 175b7579f77SDag-Erling Smørgrav printf("Report bugs to %s\n", PACKAGE_BUGREPORT); 176b7579f77SDag-Erling Smørgrav exit(1); 177b7579f77SDag-Erling Smørgrav } 178b7579f77SDag-Erling Smørgrav 17965b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 18065b390aaSDag-Erling Smørgrav /** what to put on statistics lines between var and value, ": " or "=" */ 18165b390aaSDag-Erling Smørgrav #define SQ "=" 18265b390aaSDag-Erling Smørgrav /** if true, inhibits a lot of =0 lines from the stats output */ 18365b390aaSDag-Erling Smørgrav static const int inhibit_zero = 1; 18465b390aaSDag-Erling Smørgrav /** divide sum of timers to get average */ 18565b390aaSDag-Erling Smørgrav static void 186c7f4d7adSDag-Erling Smørgrav timeval_divide(struct timeval* avg, const struct timeval* sum, long long d) 18765b390aaSDag-Erling Smørgrav { 18865b390aaSDag-Erling Smørgrav #ifndef S_SPLINT_S 18965b390aaSDag-Erling Smørgrav size_t leftover; 19065b390aaSDag-Erling Smørgrav if(d == 0) { 19165b390aaSDag-Erling Smørgrav avg->tv_sec = 0; 19265b390aaSDag-Erling Smørgrav avg->tv_usec = 0; 19365b390aaSDag-Erling Smørgrav return; 19465b390aaSDag-Erling Smørgrav } 19565b390aaSDag-Erling Smørgrav avg->tv_sec = sum->tv_sec / d; 19665b390aaSDag-Erling Smørgrav avg->tv_usec = sum->tv_usec / d; 19765b390aaSDag-Erling Smørgrav /* handle fraction from seconds divide */ 19865b390aaSDag-Erling Smørgrav leftover = sum->tv_sec - avg->tv_sec*d; 19965b390aaSDag-Erling Smørgrav avg->tv_usec += (leftover*1000000)/d; 20065b390aaSDag-Erling Smørgrav #endif 20165b390aaSDag-Erling Smørgrav } 20265b390aaSDag-Erling Smørgrav 20365b390aaSDag-Erling Smørgrav /** print unsigned long stats value */ 20465b390aaSDag-Erling Smørgrav #define PR_UL_NM(str, var) printf("%s."str SQ"%lu\n", nm, (unsigned long)(var)); 20565b390aaSDag-Erling Smørgrav #define PR_UL(str, var) printf(str SQ"%lu\n", (unsigned long)(var)); 20665b390aaSDag-Erling Smørgrav #define PR_UL_SUB(str, nm, var) printf(str".%s"SQ"%lu\n", nm, (unsigned long)(var)); 20765b390aaSDag-Erling Smørgrav #define PR_TIMEVAL(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 20865b390aaSDag-Erling Smørgrav (long long)var.tv_sec, (int)var.tv_usec); 209c7f4d7adSDag-Erling Smørgrav #define PR_STATSTIME(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 210c7f4d7adSDag-Erling Smørgrav (long long)var ## _sec, (int)var ## _usec); 21165b390aaSDag-Erling Smørgrav #define PR_LL(str, var) printf(str SQ ARG_LL"d\n", (long long)(var)); 21265b390aaSDag-Erling Smørgrav 21365b390aaSDag-Erling Smørgrav /** print stat block */ 214c7f4d7adSDag-Erling Smørgrav static void pr_stats(const char* nm, struct ub_stats_info* s) 21565b390aaSDag-Erling Smørgrav { 216c7f4d7adSDag-Erling Smørgrav struct timeval sumwait, avg; 21765b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries", s->svr.num_queries); 21865b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries_ip_ratelimited", 21965b390aaSDag-Erling Smørgrav s->svr.num_queries_ip_ratelimited); 22065b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachehits", 22165b390aaSDag-Erling Smørgrav s->svr.num_queries - s->svr.num_queries_missed_cache); 22265b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachemiss", s->svr.num_queries_missed_cache); 22365b390aaSDag-Erling Smørgrav PR_UL_NM("num.prefetch", s->svr.num_queries_prefetch); 224091e9e46SCy Schubert PR_UL_NM("num.expired", s->svr.ans_expired); 22565b390aaSDag-Erling Smørgrav PR_UL_NM("num.recursivereplies", s->mesh_replies_sent); 22665b390aaSDag-Erling Smørgrav #ifdef USE_DNSCRYPT 22765b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.crypted", s->svr.num_query_dnscrypt_crypted); 22865b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cert", s->svr.num_query_dnscrypt_cert); 22965b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cleartext", s->svr.num_query_dnscrypt_cleartext); 23065b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.malformed", 23165b390aaSDag-Erling Smørgrav s->svr.num_query_dnscrypt_crypted_malformed); 232971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */ 23365b390aaSDag-Erling Smørgrav printf("%s.requestlist.avg"SQ"%g\n", nm, 23465b390aaSDag-Erling Smørgrav (s->svr.num_queries_missed_cache+s->svr.num_queries_prefetch)? 23565b390aaSDag-Erling Smørgrav (double)s->svr.sum_query_list_size/ 236c7f4d7adSDag-Erling Smørgrav (double)(s->svr.num_queries_missed_cache+ 23765b390aaSDag-Erling Smørgrav s->svr.num_queries_prefetch) : 0.0); 23865b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.max", s->svr.max_query_list_size); 23965b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.overwritten", s->mesh_jostled); 24065b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.exceeded", s->mesh_dropped); 24165b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.all", s->mesh_num_states); 24265b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.user", s->mesh_num_reply_states); 243c7f4d7adSDag-Erling Smørgrav #ifndef S_SPLINT_S 244c7f4d7adSDag-Erling Smørgrav sumwait.tv_sec = s->mesh_replies_sum_wait_sec; 245c7f4d7adSDag-Erling Smørgrav sumwait.tv_usec = s->mesh_replies_sum_wait_usec; 246c7f4d7adSDag-Erling Smørgrav #endif 247c7f4d7adSDag-Erling Smørgrav timeval_divide(&avg, &sumwait, s->mesh_replies_sent); 24865b390aaSDag-Erling Smørgrav printf("%s.", nm); 24965b390aaSDag-Erling Smørgrav PR_TIMEVAL("recursion.time.avg", avg); 25065b390aaSDag-Erling Smørgrav printf("%s.recursion.time.median"SQ"%g\n", nm, s->mesh_time_median); 25165b390aaSDag-Erling Smørgrav PR_UL_NM("tcpusage", s->svr.tcp_accept_usage); 25265b390aaSDag-Erling Smørgrav } 25365b390aaSDag-Erling Smørgrav 25465b390aaSDag-Erling Smørgrav /** print uptime */ 255c7f4d7adSDag-Erling Smørgrav static void print_uptime(struct ub_shm_stat_info* shm_stat) 25665b390aaSDag-Erling Smørgrav { 257c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.now", shm_stat->time.now); 258c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.up", shm_stat->time.up); 259c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.elapsed", shm_stat->time.elapsed); 26065b390aaSDag-Erling Smørgrav } 26165b390aaSDag-Erling Smørgrav 26265b390aaSDag-Erling Smørgrav /** print memory usage */ 263e86b9096SDag-Erling Smørgrav static void print_mem(struct ub_shm_stat_info* shm_stat, 264e86b9096SDag-Erling Smørgrav struct ub_stats_info* s) 26565b390aaSDag-Erling Smørgrav { 26665b390aaSDag-Erling Smørgrav PR_LL("mem.cache.rrset", shm_stat->mem.rrset); 26765b390aaSDag-Erling Smørgrav PR_LL("mem.cache.message", shm_stat->mem.msg); 268c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.iterator", shm_stat->mem.iter); 269c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.validator", shm_stat->mem.val); 270c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.respip", shm_stat->mem.respip); 27165b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 272c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.subnet", shm_stat->mem.subnet); 273c7f4d7adSDag-Erling Smørgrav #endif 274c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 275c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.ipsecmod", shm_stat->mem.ipsecmod); 27665b390aaSDag-Erling Smørgrav #endif 27725039b37SCy Schubert #ifdef WITH_DYNLIBMODULE 27825039b37SCy Schubert PR_LL("mem.mod.dynlib", shm_stat->mem.dynlib); 27925039b37SCy Schubert #endif 280971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT 281971980c3SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_shared_secret", 282971980c3SDag-Erling Smørgrav shm_stat->mem.dnscrypt_shared_secret); 2838a384985SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_nonce", 2848a384985SDag-Erling Smørgrav shm_stat->mem.dnscrypt_nonce); 285971980c3SDag-Erling Smørgrav #endif 286e86b9096SDag-Erling Smørgrav PR_LL("mem.streamwait", s->svr.mem_stream_wait); 287c0caa2e2SCy Schubert PR_LL("mem.http.query_buffer", s->svr.mem_http2_query_buffer); 288c0caa2e2SCy Schubert PR_LL("mem.http.response_buffer", s->svr.mem_http2_response_buffer); 28965b390aaSDag-Erling Smørgrav } 29065b390aaSDag-Erling Smørgrav 29165b390aaSDag-Erling Smørgrav /** print histogram */ 292c7f4d7adSDag-Erling Smørgrav static void print_hist(struct ub_stats_info* s) 29365b390aaSDag-Erling Smørgrav { 29465b390aaSDag-Erling Smørgrav struct timehist* hist; 29565b390aaSDag-Erling Smørgrav size_t i; 29665b390aaSDag-Erling Smørgrav hist = timehist_setup(); 29765b390aaSDag-Erling Smørgrav if(!hist) 29865b390aaSDag-Erling Smørgrav fatal_exit("out of memory"); 29965b390aaSDag-Erling Smørgrav timehist_import(hist, s->svr.hist, NUM_BUCKETS_HIST); 30065b390aaSDag-Erling Smørgrav for(i=0; i<hist->num; i++) { 30165b390aaSDag-Erling Smørgrav printf("histogram.%6.6d.%6.6d.to.%6.6d.%6.6d=%lu\n", 30265b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_sec, 30365b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_usec, 30465b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_sec, 30565b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_usec, 30665b390aaSDag-Erling Smørgrav (unsigned long)hist->buckets[i].count); 30765b390aaSDag-Erling Smørgrav } 30865b390aaSDag-Erling Smørgrav timehist_delete(hist); 30965b390aaSDag-Erling Smørgrav } 31065b390aaSDag-Erling Smørgrav 31165b390aaSDag-Erling Smørgrav /** print extended */ 312c7f4d7adSDag-Erling Smørgrav static void print_extended(struct ub_stats_info* s) 31365b390aaSDag-Erling Smørgrav { 31465b390aaSDag-Erling Smørgrav int i; 31565b390aaSDag-Erling Smørgrav char nm[16]; 31665b390aaSDag-Erling Smørgrav 31765b390aaSDag-Erling Smørgrav /* TYPE */ 318c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QTYPE_NUM; i++) { 31965b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qtype[i] == 0) 32065b390aaSDag-Erling Smørgrav continue; 32165b390aaSDag-Erling Smørgrav sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm)); 32265b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]); 32365b390aaSDag-Erling Smørgrav } 32465b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qtype_big) { 32565b390aaSDag-Erling Smørgrav PR_UL("num.query.type.other", s->svr.qtype_big); 32665b390aaSDag-Erling Smørgrav } 32765b390aaSDag-Erling Smørgrav 32865b390aaSDag-Erling Smørgrav /* CLASS */ 329c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QCLASS_NUM; i++) { 33065b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qclass[i] == 0) 33165b390aaSDag-Erling Smørgrav continue; 33265b390aaSDag-Erling Smørgrav sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm)); 33365b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]); 33465b390aaSDag-Erling Smørgrav } 33565b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qclass_big) { 33665b390aaSDag-Erling Smørgrav PR_UL("num.query.class.other", s->svr.qclass_big); 33765b390aaSDag-Erling Smørgrav } 33865b390aaSDag-Erling Smørgrav 33965b390aaSDag-Erling Smørgrav /* OPCODE */ 340c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_OPCODE_NUM; i++) { 34165b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qopcode[i] == 0) 34265b390aaSDag-Erling Smørgrav continue; 34365b390aaSDag-Erling Smørgrav sldns_wire2str_opcode_buf(i, nm, sizeof(nm)); 34465b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]); 34565b390aaSDag-Erling Smørgrav } 34665b390aaSDag-Erling Smørgrav 34765b390aaSDag-Erling Smørgrav /* transport */ 34865b390aaSDag-Erling Smørgrav PR_UL("num.query.tcp", s->svr.qtcp); 34965b390aaSDag-Erling Smørgrav PR_UL("num.query.tcpout", s->svr.qtcp_outgoing); 3504c75e3aaSDag-Erling Smørgrav PR_UL("num.query.tls", s->svr.qtls); 351e86b9096SDag-Erling Smørgrav PR_UL("num.query.tls_resume", s->svr.qtls_resume); 35265b390aaSDag-Erling Smørgrav PR_UL("num.query.ipv6", s->svr.qipv6); 353c0caa2e2SCy Schubert PR_UL("num.query.https", s->svr.qhttps); 35465b390aaSDag-Erling Smørgrav 35565b390aaSDag-Erling Smørgrav /* flags */ 35665b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.QR", s->svr.qbit_QR); 35765b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AA", s->svr.qbit_AA); 35865b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.TC", s->svr.qbit_TC); 35965b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RD", s->svr.qbit_RD); 36065b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RA", s->svr.qbit_RA); 36165b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.Z", s->svr.qbit_Z); 36265b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AD", s->svr.qbit_AD); 36365b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.CD", s->svr.qbit_CD); 36465b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.present", s->svr.qEDNS); 36565b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.DO", s->svr.qEDNS_DO); 36665b390aaSDag-Erling Smørgrav 36765b390aaSDag-Erling Smørgrav /* RCODE */ 368c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_RCODE_NUM; i++) { 36965b390aaSDag-Erling Smørgrav /* Always include RCODEs 0-5 */ 37065b390aaSDag-Erling Smørgrav if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0) 37165b390aaSDag-Erling Smørgrav continue; 37265b390aaSDag-Erling Smørgrav sldns_wire2str_rcode_buf(i, nm, sizeof(nm)); 37365b390aaSDag-Erling Smørgrav PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]); 37465b390aaSDag-Erling Smørgrav } 37565b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.ans_rcode_nodata) { 37665b390aaSDag-Erling Smørgrav PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata); 37765b390aaSDag-Erling Smørgrav } 378971980c3SDag-Erling Smørgrav /* iteration */ 379971980c3SDag-Erling Smørgrav PR_UL("num.query.ratelimited", s->svr.queries_ratelimited); 38065b390aaSDag-Erling Smørgrav /* validation */ 38165b390aaSDag-Erling Smørgrav PR_UL("num.answer.secure", s->svr.ans_secure); 38265b390aaSDag-Erling Smørgrav PR_UL("num.answer.bogus", s->svr.ans_bogus); 38365b390aaSDag-Erling Smørgrav PR_UL("num.rrset.bogus", s->svr.rrset_bogus); 3840fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror); 3850fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain); 38665b390aaSDag-Erling Smørgrav /* threat detection */ 38765b390aaSDag-Erling Smørgrav PR_UL("unwanted.queries", s->svr.unwanted_queries); 38865b390aaSDag-Erling Smørgrav PR_UL("unwanted.replies", s->svr.unwanted_replies); 38965b390aaSDag-Erling Smørgrav /* cache counts */ 39065b390aaSDag-Erling Smørgrav PR_UL("msg.cache.count", s->svr.msg_cache_count); 39165b390aaSDag-Erling Smørgrav PR_UL("rrset.cache.count", s->svr.rrset_cache_count); 39265b390aaSDag-Erling Smørgrav PR_UL("infra.cache.count", s->svr.infra_cache_count); 39365b390aaSDag-Erling Smørgrav PR_UL("key.cache.count", s->svr.key_cache_count); 394091e9e46SCy Schubert /* applied RPZ actions */ 395091e9e46SCy Schubert for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) { 396091e9e46SCy Schubert if(i == RPZ_NO_OVERRIDE_ACTION) 397091e9e46SCy Schubert continue; 398091e9e46SCy Schubert if(inhibit_zero && s->svr.rpz_action[i] == 0) 399091e9e46SCy Schubert continue; 400091e9e46SCy Schubert PR_UL_SUB("num.rpz.action", rpz_action_to_string(i), s->svr.rpz_action[i]); 401091e9e46SCy Schubert } 402971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT 403971980c3SDag-Erling Smørgrav PR_UL("dnscrypt_shared_secret.cache.count", 404971980c3SDag-Erling Smørgrav s->svr.shared_secret_cache_count); 405971980c3SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.shared_secret.cachemiss", 406971980c3SDag-Erling Smørgrav s->svr.num_query_dnscrypt_secret_missed_cache); 4078a384985SDag-Erling Smørgrav PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count); 4088a384985SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.replay", 4098a384985SDag-Erling Smørgrav s->svr.num_query_dnscrypt_replay); 410971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */ 4110fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up); 4120fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down); 4134c75e3aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 4144c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet", s->svr.num_query_subnet); 4154c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache); 4164c75e3aaSDag-Erling Smørgrav #endif 41765b390aaSDag-Erling Smørgrav } 41865b390aaSDag-Erling Smørgrav 41965b390aaSDag-Erling Smørgrav /** print statistics out of memory structures */ 420c7f4d7adSDag-Erling Smørgrav static void do_stats_shm(struct config_file* cfg, struct ub_stats_info* stats, 421c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat) 42265b390aaSDag-Erling Smørgrav { 42365b390aaSDag-Erling Smørgrav int i; 424971980c3SDag-Erling Smørgrav char nm[32]; 42565b390aaSDag-Erling Smørgrav for(i=0; i<cfg->num_threads; i++) { 42665b390aaSDag-Erling Smørgrav snprintf(nm, sizeof(nm), "thread%d", i); 42765b390aaSDag-Erling Smørgrav pr_stats(nm, &stats[i+1]); 42865b390aaSDag-Erling Smørgrav } 42965b390aaSDag-Erling Smørgrav pr_stats("total", &stats[0]); 43065b390aaSDag-Erling Smørgrav print_uptime(shm_stat); 43165b390aaSDag-Erling Smørgrav if(cfg->stat_extended) { 432e86b9096SDag-Erling Smørgrav print_mem(shm_stat, &stats[0]); 43365b390aaSDag-Erling Smørgrav print_hist(stats); 43465b390aaSDag-Erling Smørgrav print_extended(stats); 43565b390aaSDag-Erling Smørgrav } 43665b390aaSDag-Erling Smørgrav } 43765b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */ 43865b390aaSDag-Erling Smørgrav 43965b390aaSDag-Erling Smørgrav /** print statistics from shm memory segment */ 44065b390aaSDag-Erling Smørgrav static void print_stats_shm(const char* cfgfile) 44165b390aaSDag-Erling Smørgrav { 44265b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 44365b390aaSDag-Erling Smørgrav struct config_file* cfg; 444c7f4d7adSDag-Erling Smørgrav struct ub_stats_info* stats; 445c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat; 44665b390aaSDag-Erling Smørgrav int id_ctl, id_arr; 44765b390aaSDag-Erling Smørgrav /* read config */ 44865b390aaSDag-Erling Smørgrav if(!(cfg = config_create())) 44965b390aaSDag-Erling Smørgrav fatal_exit("out of memory"); 45065b390aaSDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL)) 45165b390aaSDag-Erling Smørgrav fatal_exit("could not read config file"); 45265b390aaSDag-Erling Smørgrav /* get shm segments */ 4530eefd307SCy Schubert id_ctl = shmget(cfg->shm_key, sizeof(int), SHM_R); 45465b390aaSDag-Erling Smørgrav if(id_ctl == -1) { 45565b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key, strerror(errno)); 45665b390aaSDag-Erling Smørgrav } 4570eefd307SCy Schubert id_arr = shmget(cfg->shm_key+1, sizeof(int), SHM_R); 45865b390aaSDag-Erling Smørgrav if(id_arr == -1) { 45965b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key+1, strerror(errno)); 46065b390aaSDag-Erling Smørgrav } 4610eefd307SCy Schubert shm_stat = (struct ub_shm_stat_info*)shmat(id_ctl, NULL, SHM_RDONLY); 46265b390aaSDag-Erling Smørgrav if(shm_stat == (void*)-1) { 46365b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_ctl, strerror(errno)); 46465b390aaSDag-Erling Smørgrav } 4650eefd307SCy Schubert stats = (struct ub_stats_info*)shmat(id_arr, NULL, SHM_RDONLY); 46665b390aaSDag-Erling Smørgrav if(stats == (void*)-1) { 46765b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_arr, strerror(errno)); 46865b390aaSDag-Erling Smørgrav } 46965b390aaSDag-Erling Smørgrav 47065b390aaSDag-Erling Smørgrav /* print the stats */ 47165b390aaSDag-Erling Smørgrav do_stats_shm(cfg, stats, shm_stat); 47265b390aaSDag-Erling Smørgrav 47365b390aaSDag-Erling Smørgrav /* shutdown */ 47465b390aaSDag-Erling Smørgrav shmdt(shm_stat); 47565b390aaSDag-Erling Smørgrav shmdt(stats); 47665b390aaSDag-Erling Smørgrav config_delete(cfg); 47765b390aaSDag-Erling Smørgrav #else 47865b390aaSDag-Erling Smørgrav (void)cfgfile; 47965b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */ 48065b390aaSDag-Erling Smørgrav } 48165b390aaSDag-Erling Smørgrav 482b7579f77SDag-Erling Smørgrav /** exit with ssl error */ 483b7579f77SDag-Erling Smørgrav static void ssl_err(const char* s) 484b7579f77SDag-Erling Smørgrav { 485b7579f77SDag-Erling Smørgrav fprintf(stderr, "error: %s\n", s); 486b7579f77SDag-Erling Smørgrav ERR_print_errors_fp(stderr); 487b7579f77SDag-Erling Smørgrav exit(1); 488b7579f77SDag-Erling Smørgrav } 489b7579f77SDag-Erling Smørgrav 4904c75e3aaSDag-Erling Smørgrav /** exit with ssl error related to a file path */ 4914c75e3aaSDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path) 4924c75e3aaSDag-Erling Smørgrav { 4934c75e3aaSDag-Erling Smørgrav unsigned long err; 4944c75e3aaSDag-Erling Smørgrav err = ERR_peek_error(); 4954c75e3aaSDag-Erling Smørgrav if (ERR_GET_LIB(err) == ERR_LIB_SYS && 4964c75e3aaSDag-Erling Smørgrav (ERR_GET_FUNC(err) == SYS_F_FOPEN || 4974c75e3aaSDag-Erling Smørgrav ERR_GET_FUNC(err) == SYS_F_FREAD) ) { 4984c75e3aaSDag-Erling Smørgrav fprintf(stderr, "error: %s\n%s: %s\n", 4994c75e3aaSDag-Erling Smørgrav s, path, ERR_reason_error_string(err)); 5004c75e3aaSDag-Erling Smørgrav exit(1); 5014c75e3aaSDag-Erling Smørgrav } else { 5024c75e3aaSDag-Erling Smørgrav ssl_err(s); 5034c75e3aaSDag-Erling Smørgrav } 5044c75e3aaSDag-Erling Smørgrav } 5054c75e3aaSDag-Erling Smørgrav 506b7579f77SDag-Erling Smørgrav /** setup SSL context */ 507b7579f77SDag-Erling Smørgrav static SSL_CTX* 508b7579f77SDag-Erling Smørgrav setup_ctx(struct config_file* cfg) 509b7579f77SDag-Erling Smørgrav { 510748bd829SDag-Erling Smørgrav char* s_cert=NULL, *c_key=NULL, *c_cert=NULL; 511b7579f77SDag-Erling Smørgrav SSL_CTX* ctx; 512b7579f77SDag-Erling Smørgrav 5137da0adf7SDag-Erling Smørgrav if(!(options_remote_is_address(cfg) && cfg->control_use_cert)) 5147da0adf7SDag-Erling Smørgrav return NULL; 515b7579f77SDag-Erling Smørgrav s_cert = fname_after_chroot(cfg->server_cert_file, cfg, 1); 516b7579f77SDag-Erling Smørgrav c_key = fname_after_chroot(cfg->control_key_file, cfg, 1); 517b7579f77SDag-Erling Smørgrav c_cert = fname_after_chroot(cfg->control_cert_file, cfg, 1); 518b7579f77SDag-Erling Smørgrav if(!s_cert || !c_key || !c_cert) 519b7579f77SDag-Erling Smørgrav fatal_exit("out of memory"); 520b7579f77SDag-Erling Smørgrav ctx = SSL_CTX_new(SSLv23_client_method()); 521b7579f77SDag-Erling Smørgrav if(!ctx) 522b7579f77SDag-Erling Smørgrav ssl_err("could not allocate SSL_CTX pointer"); 523091e9e46SCy Schubert #if SSL_OP_NO_SSLv2 != 0 52405ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2) 52505ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv2) 526b7579f77SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv2"); 527091e9e46SCy Schubert #endif 52805ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3) 52905ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv3) 530ff825849SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv3"); 5310eefd307SCy Schubert #if defined(SSL_OP_NO_RENEGOTIATION) 5320eefd307SCy Schubert /* disable client renegotiation */ 5330eefd307SCy Schubert if((SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION) & 5340eefd307SCy Schubert SSL_OP_NO_RENEGOTIATION) != SSL_OP_NO_RENEGOTIATION) 5350eefd307SCy Schubert ssl_err("could not set SSL_OP_NO_RENEGOTIATION"); 5360eefd307SCy Schubert #endif 5374c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert)) 5384c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client cert", c_cert); 5394c75e3aaSDag-Erling Smørgrav if (!SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM)) 5404c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client key", c_key); 5414c75e3aaSDag-Erling Smørgrav if (!SSL_CTX_check_private_key(ctx)) 5424c75e3aaSDag-Erling Smørgrav ssl_err("Error setting up SSL_CTX client key"); 543b7579f77SDag-Erling Smørgrav if (SSL_CTX_load_verify_locations(ctx, s_cert, NULL) != 1) 5444c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX verify, server cert", 5454c75e3aaSDag-Erling Smørgrav s_cert); 546b7579f77SDag-Erling Smørgrav SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); 547b7579f77SDag-Erling Smørgrav 548b7579f77SDag-Erling Smørgrav free(s_cert); 549b7579f77SDag-Erling Smørgrav free(c_key); 550b7579f77SDag-Erling Smørgrav free(c_cert); 551b7579f77SDag-Erling Smørgrav return ctx; 552b7579f77SDag-Erling Smørgrav } 553b7579f77SDag-Erling Smørgrav 554*f44e67d1SCy Schubert /** check connect error */ 555*f44e67d1SCy Schubert static void 556*f44e67d1SCy Schubert checkconnecterr(int err, const char* svr, struct sockaddr_storage* addr, 557*f44e67d1SCy Schubert socklen_t addrlen, int statuscmd, int useport) 558*f44e67d1SCy Schubert { 559*f44e67d1SCy Schubert #ifndef USE_WINSOCK 560*f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", strerror(err), svr); 561*f44e67d1SCy Schubert else log_err_addr("connect", strerror(err), addr, addrlen); 562*f44e67d1SCy Schubert if(err == ECONNREFUSED && statuscmd) { 563*f44e67d1SCy Schubert printf("unbound is stopped\n"); 564*f44e67d1SCy Schubert exit(3); 565*f44e67d1SCy Schubert } 566*f44e67d1SCy Schubert #else 567*f44e67d1SCy Schubert int wsaerr = err; 568*f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", wsa_strerror(wsaerr), svr); 569*f44e67d1SCy Schubert else log_err_addr("connect", wsa_strerror(wsaerr), addr, addrlen); 570*f44e67d1SCy Schubert if(wsaerr == WSAECONNREFUSED && statuscmd) { 571*f44e67d1SCy Schubert printf("unbound is stopped\n"); 572*f44e67d1SCy Schubert exit(3); 573*f44e67d1SCy Schubert } 574*f44e67d1SCy Schubert #endif 575*f44e67d1SCy Schubert exit(1); 576*f44e67d1SCy Schubert } 577*f44e67d1SCy Schubert 578b7579f77SDag-Erling Smørgrav /** contact the server with TCP connect */ 579b7579f77SDag-Erling Smørgrav static int 580b7579f77SDag-Erling Smørgrav contact_server(const char* svr, struct config_file* cfg, int statuscmd) 581b7579f77SDag-Erling Smørgrav { 582b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 583b7579f77SDag-Erling Smørgrav socklen_t addrlen; 5847da0adf7SDag-Erling Smørgrav int addrfamily = 0, proto = IPPROTO_TCP; 5857da0adf7SDag-Erling Smørgrav int fd, useport = 1; 586b7579f77SDag-Erling Smørgrav /* use svr or the first config entry */ 587b7579f77SDag-Erling Smørgrav if(!svr) { 5887da0adf7SDag-Erling Smørgrav if(cfg->control_ifs.first) { 5897da0adf7SDag-Erling Smørgrav svr = cfg->control_ifs.first->str; 5903005e0a3SDag-Erling Smørgrav } else if(cfg->do_ip4) { 5913005e0a3SDag-Erling Smørgrav svr = "127.0.0.1"; 5923005e0a3SDag-Erling Smørgrav } else { 5933005e0a3SDag-Erling Smørgrav svr = "::1"; 5943005e0a3SDag-Erling Smørgrav } 595b7579f77SDag-Erling Smørgrav /* config 0 addr (everything), means ask localhost */ 596b7579f77SDag-Erling Smørgrav if(strcmp(svr, "0.0.0.0") == 0) 597b7579f77SDag-Erling Smørgrav svr = "127.0.0.1"; 598b7579f77SDag-Erling Smørgrav else if(strcmp(svr, "::0") == 0 || 599b7579f77SDag-Erling Smørgrav strcmp(svr, "0::0") == 0 || 600b7579f77SDag-Erling Smørgrav strcmp(svr, "0::") == 0 || 601b7579f77SDag-Erling Smørgrav strcmp(svr, "::") == 0) 602b7579f77SDag-Erling Smørgrav svr = "::1"; 603b7579f77SDag-Erling Smørgrav } 604b7579f77SDag-Erling Smørgrav if(strchr(svr, '@')) { 605b7579f77SDag-Erling Smørgrav if(!extstrtoaddr(svr, &addr, &addrlen)) 606b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP@port: %s", svr); 60731099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H 60831099b50SDag-Erling Smørgrav } else if(svr[0] == '/') { 6096480faa8SDag-Erling Smørgrav struct sockaddr_un* usock = (struct sockaddr_un *) &addr; 6106480faa8SDag-Erling Smørgrav usock->sun_family = AF_LOCAL; 611748bd829SDag-Erling Smørgrav #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN 612b5663de9SDag-Erling Smørgrav usock->sun_len = (unsigned)sizeof(usock); 613748bd829SDag-Erling Smørgrav #endif 6146480faa8SDag-Erling Smørgrav (void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path)); 615748bd829SDag-Erling Smørgrav addrlen = (socklen_t)sizeof(struct sockaddr_un); 61631099b50SDag-Erling Smørgrav addrfamily = AF_LOCAL; 6177da0adf7SDag-Erling Smørgrav useport = 0; 6187da0adf7SDag-Erling Smørgrav proto = 0; 61931099b50SDag-Erling Smørgrav #endif 620b7579f77SDag-Erling Smørgrav } else { 621b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen)) 622b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP: %s", svr); 623b7579f77SDag-Erling Smørgrav } 62431099b50SDag-Erling Smørgrav 62531099b50SDag-Erling Smørgrav if(addrfamily == 0) 6267da0adf7SDag-Erling Smørgrav addrfamily = addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET; 6277da0adf7SDag-Erling Smørgrav fd = socket(addrfamily, SOCK_STREAM, proto); 628b7579f77SDag-Erling Smørgrav if(fd == -1) { 629c0caa2e2SCy Schubert fatal_exit("socket: %s", sock_strerror(errno)); 630b7579f77SDag-Erling Smørgrav } 631*f44e67d1SCy Schubert fd_set_nonblock(fd); 632b7579f77SDag-Erling Smørgrav if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) { 633b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 634*f44e67d1SCy Schubert #ifdef EINPROGRESS 635*f44e67d1SCy Schubert if(errno != EINPROGRESS) { 636*f44e67d1SCy Schubert checkconnecterr(errno, svr, &addr, 637*f44e67d1SCy Schubert addrlen, statuscmd, useport); 638b7579f77SDag-Erling Smørgrav } 639b7579f77SDag-Erling Smørgrav #endif 640*f44e67d1SCy Schubert #else 641*f44e67d1SCy Schubert if(WSAGetLastError() != WSAEINPROGRESS && 642*f44e67d1SCy Schubert WSAGetLastError() != WSAEWOULDBLOCK) { 643*f44e67d1SCy Schubert checkconnecterr(WSAGetLastError(), svr, &addr, 644*f44e67d1SCy Schubert addrlen, statuscmd, useport); 645b7579f77SDag-Erling Smørgrav } 646*f44e67d1SCy Schubert #endif 647*f44e67d1SCy Schubert } 648*f44e67d1SCy Schubert while(1) { 649*f44e67d1SCy Schubert fd_set rset, wset, eset; 650*f44e67d1SCy Schubert struct timeval tv; 651*f44e67d1SCy Schubert FD_ZERO(&rset); 652*f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &rset); 653*f44e67d1SCy Schubert FD_ZERO(&wset); 654*f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &wset); 655*f44e67d1SCy Schubert FD_ZERO(&eset); 656*f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &eset); 657*f44e67d1SCy Schubert tv.tv_sec = UNBOUND_CONTROL_CONNECT_TIMEOUT/1000; 658*f44e67d1SCy Schubert tv.tv_usec= (UNBOUND_CONTROL_CONNECT_TIMEOUT%1000)*1000; 659*f44e67d1SCy Schubert if(select(fd+1, &rset, &wset, &eset, &tv) == -1) { 660*f44e67d1SCy Schubert fatal_exit("select: %s", sock_strerror(errno)); 661*f44e67d1SCy Schubert } 662*f44e67d1SCy Schubert if(!FD_ISSET(fd, &rset) && !FD_ISSET(fd, &wset) && 663*f44e67d1SCy Schubert !FD_ISSET(fd, &eset)) { 664*f44e67d1SCy Schubert fatal_exit("timeout: could not connect to server"); 665*f44e67d1SCy Schubert } else { 666*f44e67d1SCy Schubert /* check nonblocking connect error */ 667*f44e67d1SCy Schubert int error = 0; 668*f44e67d1SCy Schubert socklen_t len = (socklen_t)sizeof(error); 669*f44e67d1SCy Schubert if(getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&error, 670*f44e67d1SCy Schubert &len) < 0) { 671*f44e67d1SCy Schubert #ifndef USE_WINSOCK 672*f44e67d1SCy Schubert error = errno; /* on solaris errno is error */ 673*f44e67d1SCy Schubert #else 674*f44e67d1SCy Schubert error = WSAGetLastError(); 675*f44e67d1SCy Schubert #endif 676*f44e67d1SCy Schubert } 677*f44e67d1SCy Schubert if(error != 0) { 678*f44e67d1SCy Schubert #ifndef USE_WINSOCK 679*f44e67d1SCy Schubert #ifdef EINPROGRESS 680*f44e67d1SCy Schubert if(error == EINPROGRESS) 681*f44e67d1SCy Schubert continue; /* try again later */ 682*f44e67d1SCy Schubert #endif 683*f44e67d1SCy Schubert #ifdef EWOULDBLOCK 684*f44e67d1SCy Schubert if(error == EWOULDBLOCK) 685*f44e67d1SCy Schubert continue; /* try again later */ 686*f44e67d1SCy Schubert #endif 687*f44e67d1SCy Schubert #else 688*f44e67d1SCy Schubert if(error == WSAEINPROGRESS) 689*f44e67d1SCy Schubert continue; /* try again later */ 690*f44e67d1SCy Schubert if(error == WSAEWOULDBLOCK) 691*f44e67d1SCy Schubert continue; /* try again later */ 692*f44e67d1SCy Schubert #endif 693*f44e67d1SCy Schubert checkconnecterr(error, svr, &addr, addrlen, 694*f44e67d1SCy Schubert statuscmd, useport); 695*f44e67d1SCy Schubert } 696*f44e67d1SCy Schubert } 697*f44e67d1SCy Schubert break; 698*f44e67d1SCy Schubert } 699*f44e67d1SCy Schubert fd_set_block(fd); 700b7579f77SDag-Erling Smørgrav return fd; 701b7579f77SDag-Erling Smørgrav } 702b7579f77SDag-Erling Smørgrav 703b7579f77SDag-Erling Smørgrav /** setup SSL on the connection */ 704b7579f77SDag-Erling Smørgrav static SSL* 7057da0adf7SDag-Erling Smørgrav setup_ssl(SSL_CTX* ctx, int fd) 706b7579f77SDag-Erling Smørgrav { 707b7579f77SDag-Erling Smørgrav SSL* ssl; 708b7579f77SDag-Erling Smørgrav X509* x; 709b7579f77SDag-Erling Smørgrav int r; 710b7579f77SDag-Erling Smørgrav 7117da0adf7SDag-Erling Smørgrav if(!ctx) return NULL; 712b7579f77SDag-Erling Smørgrav ssl = SSL_new(ctx); 713b7579f77SDag-Erling Smørgrav if(!ssl) 714b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_new"); 715b7579f77SDag-Erling Smørgrav SSL_set_connect_state(ssl); 7160eefd307SCy Schubert (void)SSL_set_mode(ssl, (long)SSL_MODE_AUTO_RETRY); 717b7579f77SDag-Erling Smørgrav if(!SSL_set_fd(ssl, fd)) 718b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_set_fd"); 719b7579f77SDag-Erling Smørgrav while(1) { 720b7579f77SDag-Erling Smørgrav ERR_clear_error(); 721b7579f77SDag-Erling Smørgrav if( (r=SSL_do_handshake(ssl)) == 1) 722b7579f77SDag-Erling Smørgrav break; 723b7579f77SDag-Erling Smørgrav r = SSL_get_error(ssl, r); 724b7579f77SDag-Erling Smørgrav if(r != SSL_ERROR_WANT_READ && r != SSL_ERROR_WANT_WRITE) 725b7579f77SDag-Erling Smørgrav ssl_err("SSL handshake failed"); 726b7579f77SDag-Erling Smørgrav /* wants to be called again */ 727b7579f77SDag-Erling Smørgrav } 728b7579f77SDag-Erling Smørgrav 729b7579f77SDag-Erling Smørgrav /* check authenticity of server */ 730b7579f77SDag-Erling Smørgrav if(SSL_get_verify_result(ssl) != X509_V_OK) 731b7579f77SDag-Erling Smørgrav ssl_err("SSL verification failed"); 732b7579f77SDag-Erling Smørgrav x = SSL_get_peer_certificate(ssl); 733b7579f77SDag-Erling Smørgrav if(!x) 734b7579f77SDag-Erling Smørgrav ssl_err("Server presented no peer certificate"); 735b7579f77SDag-Erling Smørgrav X509_free(x); 73631099b50SDag-Erling Smørgrav 737b7579f77SDag-Erling Smørgrav return ssl; 738b7579f77SDag-Erling Smørgrav } 739b7579f77SDag-Erling Smørgrav 7407da0adf7SDag-Erling Smørgrav /** read from ssl or fd, fatalexit on error, 0 EOF, 1 success */ 7417da0adf7SDag-Erling Smørgrav static int 7427da0adf7SDag-Erling Smørgrav remote_read(SSL* ssl, int fd, char* buf, size_t len) 7437da0adf7SDag-Erling Smørgrav { 7447da0adf7SDag-Erling Smørgrav if(ssl) { 7457da0adf7SDag-Erling Smørgrav int r; 7467da0adf7SDag-Erling Smørgrav ERR_clear_error(); 7477da0adf7SDag-Erling Smørgrav if((r = SSL_read(ssl, buf, (int)len-1)) <= 0) { 7487da0adf7SDag-Erling Smørgrav if(SSL_get_error(ssl, r) == SSL_ERROR_ZERO_RETURN) { 7497da0adf7SDag-Erling Smørgrav /* EOF */ 7507da0adf7SDag-Erling Smørgrav return 0; 7517da0adf7SDag-Erling Smørgrav } 7527da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_read"); 7537da0adf7SDag-Erling Smørgrav } 7547da0adf7SDag-Erling Smørgrav buf[r] = 0; 7557da0adf7SDag-Erling Smørgrav } else { 7567da0adf7SDag-Erling Smørgrav ssize_t rr = recv(fd, buf, len-1, 0); 7577da0adf7SDag-Erling Smørgrav if(rr <= 0) { 7587da0adf7SDag-Erling Smørgrav if(rr == 0) { 7597da0adf7SDag-Erling Smørgrav /* EOF */ 7607da0adf7SDag-Erling Smørgrav return 0; 7617da0adf7SDag-Erling Smørgrav } 762c0caa2e2SCy Schubert fatal_exit("could not recv: %s", sock_strerror(errno)); 7637da0adf7SDag-Erling Smørgrav } 7647da0adf7SDag-Erling Smørgrav buf[rr] = 0; 7657da0adf7SDag-Erling Smørgrav } 7667da0adf7SDag-Erling Smørgrav return 1; 7677da0adf7SDag-Erling Smørgrav } 7687da0adf7SDag-Erling Smørgrav 7697da0adf7SDag-Erling Smørgrav /** write to ssl or fd, fatalexit on error */ 7707da0adf7SDag-Erling Smørgrav static void 7717da0adf7SDag-Erling Smørgrav remote_write(SSL* ssl, int fd, const char* buf, size_t len) 7727da0adf7SDag-Erling Smørgrav { 7737da0adf7SDag-Erling Smørgrav if(ssl) { 7747da0adf7SDag-Erling Smørgrav if(SSL_write(ssl, buf, (int)len) <= 0) 7757da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_write"); 7767da0adf7SDag-Erling Smørgrav } else { 7777da0adf7SDag-Erling Smørgrav if(send(fd, buf, len, 0) < (ssize_t)len) { 778c0caa2e2SCy Schubert fatal_exit("could not send: %s", sock_strerror(errno)); 7797da0adf7SDag-Erling Smørgrav } 7807da0adf7SDag-Erling Smørgrav } 7817da0adf7SDag-Erling Smørgrav } 7827da0adf7SDag-Erling Smørgrav 7830eefd307SCy Schubert /** check args, to see if too many args. Because when a file is sent it 7840eefd307SCy Schubert * would wait for the terminal, and we can check for too many arguments, 7850eefd307SCy Schubert * eg. user put arguments on the commandline. */ 7860eefd307SCy Schubert static void 7870eefd307SCy Schubert check_args_for_listcmd(int argc, char* argv[]) 7880eefd307SCy Schubert { 7890eefd307SCy Schubert if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 7900eefd307SCy Schubert strcmp(argv[0], "local_zones_remove") == 0 || 7910eefd307SCy Schubert strcmp(argv[0], "local_datas") == 0 || 7920eefd307SCy Schubert strcmp(argv[0], "local_datas_remove") == 0) && 7930eefd307SCy Schubert argc >= 2) { 7940eefd307SCy Schubert fatal_exit("too many arguments for command '%s', " 7950eefd307SCy Schubert "content is piped in from stdin", argv[0]); 7960eefd307SCy Schubert } 797091e9e46SCy Schubert if(argc >= 1 && (strcmp(argv[0], "view_local_datas") == 0 || 798091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0) && 7990eefd307SCy Schubert argc >= 3) { 8000eefd307SCy Schubert fatal_exit("too many arguments for command '%s', " 8010eefd307SCy Schubert "content is piped in from stdin", argv[0]); 8020eefd307SCy Schubert } 8030eefd307SCy Schubert } 8040eefd307SCy Schubert 805b7579f77SDag-Erling Smørgrav /** send stdin to server */ 806b7579f77SDag-Erling Smørgrav static void 8077da0adf7SDag-Erling Smørgrav send_file(SSL* ssl, int fd, FILE* in, char* buf, size_t sz) 808b7579f77SDag-Erling Smørgrav { 809b7579f77SDag-Erling Smørgrav while(fgets(buf, (int)sz, in)) { 8107da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, buf, strlen(buf)); 811b7579f77SDag-Erling Smørgrav } 812b7579f77SDag-Erling Smørgrav } 813b7579f77SDag-Erling Smørgrav 814bc892140SDag-Erling Smørgrav /** send end-of-file marker to server */ 815bc892140SDag-Erling Smørgrav static void 8167da0adf7SDag-Erling Smørgrav send_eof(SSL* ssl, int fd) 817bc892140SDag-Erling Smørgrav { 818bc892140SDag-Erling Smørgrav char e[] = {0x04, 0x0a}; 8197da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, e, sizeof(e)); 820bc892140SDag-Erling Smørgrav } 821bc892140SDag-Erling Smørgrav 822b7579f77SDag-Erling Smørgrav /** send command and display result */ 823b7579f77SDag-Erling Smørgrav static int 8247da0adf7SDag-Erling Smørgrav go_cmd(SSL* ssl, int fd, int quiet, int argc, char* argv[]) 825b7579f77SDag-Erling Smørgrav { 826b7579f77SDag-Erling Smørgrav char pre[10]; 827b7579f77SDag-Erling Smørgrav const char* space=" "; 828b7579f77SDag-Erling Smørgrav const char* newline="\n"; 829b7579f77SDag-Erling Smørgrav int was_error = 0, first_line = 1; 8307da0adf7SDag-Erling Smørgrav int i; 831b7579f77SDag-Erling Smørgrav char buf[1024]; 832b7579f77SDag-Erling Smørgrav snprintf(pre, sizeof(pre), "UBCT%d ", UNBOUND_CONTROL_VERSION); 8337da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, pre, strlen(pre)); 834b7579f77SDag-Erling Smørgrav for(i=0; i<argc; i++) { 8357da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, space, strlen(space)); 8367da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, argv[i], strlen(argv[i])); 837b7579f77SDag-Erling Smørgrav } 8387da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, newline, strlen(newline)); 839b7579f77SDag-Erling Smørgrav 840b7579f77SDag-Erling Smørgrav if(argc == 1 && strcmp(argv[0], "load_cache") == 0) { 8417da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf)); 842b7579f77SDag-Erling Smørgrav } 843e86b9096SDag-Erling Smørgrav else if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 844bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_zones_remove") == 0 || 845bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_datas") == 0 || 846e86b9096SDag-Erling Smørgrav strcmp(argv[0], "view_local_datas") == 0 || 847091e9e46SCy Schubert strcmp(argv[0], "local_datas_remove") == 0 || 848091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0)) { 8497da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf)); 8507da0adf7SDag-Erling Smørgrav send_eof(ssl, fd); 851bc892140SDag-Erling Smørgrav } 852b7579f77SDag-Erling Smørgrav 853b7579f77SDag-Erling Smørgrav while(1) { 8547da0adf7SDag-Erling Smørgrav if(remote_read(ssl, fd, buf, sizeof(buf)) == 0) { 8557da0adf7SDag-Erling Smørgrav break; /* EOF */ 856b7579f77SDag-Erling Smørgrav } 8578ed2b524SDag-Erling Smørgrav if(first_line && strncmp(buf, "error", 5) == 0) { 858b7579f77SDag-Erling Smørgrav printf("%s", buf); 859b7579f77SDag-Erling Smørgrav was_error = 1; 8608ed2b524SDag-Erling Smørgrav } else if (!quiet) 8618ed2b524SDag-Erling Smørgrav printf("%s", buf); 8628ed2b524SDag-Erling Smørgrav 863b7579f77SDag-Erling Smørgrav first_line = 0; 864b7579f77SDag-Erling Smørgrav } 865b7579f77SDag-Erling Smørgrav return was_error; 866b7579f77SDag-Erling Smørgrav } 867b7579f77SDag-Erling Smørgrav 868b7579f77SDag-Erling Smørgrav /** go ahead and read config, contact server and perform command and display */ 869b7579f77SDag-Erling Smørgrav static int 8708ed2b524SDag-Erling Smørgrav go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[]) 871b7579f77SDag-Erling Smørgrav { 872b7579f77SDag-Erling Smørgrav struct config_file* cfg; 873b7579f77SDag-Erling Smørgrav int fd, ret; 874b7579f77SDag-Erling Smørgrav SSL_CTX* ctx; 875b7579f77SDag-Erling Smørgrav SSL* ssl; 876b7579f77SDag-Erling Smørgrav 877b7579f77SDag-Erling Smørgrav /* read config */ 878b7579f77SDag-Erling Smørgrav if(!(cfg = config_create())) 879b7579f77SDag-Erling Smørgrav fatal_exit("out of memory"); 880b7579f77SDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL)) 881b7579f77SDag-Erling Smørgrav fatal_exit("could not read config file"); 882b7579f77SDag-Erling Smørgrav if(!cfg->remote_control_enable) 883b7579f77SDag-Erling Smørgrav log_warn("control-enable is 'no' in the config file."); 88405ab2901SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 88505ab2901SDag-Erling Smørgrav w_config_adjust_directory(cfg); 88605ab2901SDag-Erling Smørgrav #endif 887b7579f77SDag-Erling Smørgrav ctx = setup_ctx(cfg); 888b7579f77SDag-Erling Smørgrav 889b7579f77SDag-Erling Smørgrav /* contact server */ 890b7579f77SDag-Erling Smørgrav fd = contact_server(svr, cfg, argc>0&&strcmp(argv[0],"status")==0); 8917da0adf7SDag-Erling Smørgrav ssl = setup_ssl(ctx, fd); 892b7579f77SDag-Erling Smørgrav 893b7579f77SDag-Erling Smørgrav /* send command */ 8947da0adf7SDag-Erling Smørgrav ret = go_cmd(ssl, fd, quiet, argc, argv); 895b7579f77SDag-Erling Smørgrav 8967da0adf7SDag-Erling Smørgrav if(ssl) SSL_free(ssl); 897c0caa2e2SCy Schubert sock_close(fd); 8987da0adf7SDag-Erling Smørgrav if(ctx) SSL_CTX_free(ctx); 899b7579f77SDag-Erling Smørgrav config_delete(cfg); 900b7579f77SDag-Erling Smørgrav return ret; 901b7579f77SDag-Erling Smørgrav } 902b7579f77SDag-Erling Smørgrav 903b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */ 904b7579f77SDag-Erling Smørgrav extern int optind; 905b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */ 906b7579f77SDag-Erling Smørgrav extern char* optarg; 907b7579f77SDag-Erling Smørgrav 908b7579f77SDag-Erling Smørgrav /** Main routine for unbound-control */ 909b7579f77SDag-Erling Smørgrav int main(int argc, char* argv[]) 910b7579f77SDag-Erling Smørgrav { 911b7579f77SDag-Erling Smørgrav int c, ret; 9128ed2b524SDag-Erling Smørgrav int quiet = 0; 913b7579f77SDag-Erling Smørgrav const char* cfgfile = CONFIGFILE; 914b7579f77SDag-Erling Smørgrav char* svr = NULL; 915b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 916b7579f77SDag-Erling Smørgrav int r; 917b7579f77SDag-Erling Smørgrav WSADATA wsa_data; 918b7579f77SDag-Erling Smørgrav #endif 919b7579f77SDag-Erling Smørgrav #ifdef USE_THREAD_DEBUG 9208a384985SDag-Erling Smørgrav /* stop the file output from unbound-control, overwrites the servers */ 921b7579f77SDag-Erling Smørgrav extern int check_locking_order; 922b7579f77SDag-Erling Smørgrav check_locking_order = 0; 923b7579f77SDag-Erling Smørgrav #endif /* USE_THREAD_DEBUG */ 924b7579f77SDag-Erling Smørgrav log_ident_set("unbound-control"); 925b7579f77SDag-Erling Smørgrav log_init(NULL, 0, NULL); 926b7579f77SDag-Erling Smørgrav checklock_start(); 927b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 928b7579f77SDag-Erling Smørgrav /* use registry config file in preference to compiletime location */ 929b7579f77SDag-Erling Smørgrav if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile"))) 930b7579f77SDag-Erling Smørgrav cfgfile = CONFIGFILE; 931b7579f77SDag-Erling Smørgrav #endif 93265b390aaSDag-Erling Smørgrav /* parse the options */ 93365b390aaSDag-Erling Smørgrav while( (c=getopt(argc, argv, "c:s:qh")) != -1) { 93465b390aaSDag-Erling Smørgrav switch(c) { 93565b390aaSDag-Erling Smørgrav case 'c': 93665b390aaSDag-Erling Smørgrav cfgfile = optarg; 93765b390aaSDag-Erling Smørgrav break; 93865b390aaSDag-Erling Smørgrav case 's': 93965b390aaSDag-Erling Smørgrav svr = optarg; 94065b390aaSDag-Erling Smørgrav break; 94165b390aaSDag-Erling Smørgrav case 'q': 94265b390aaSDag-Erling Smørgrav quiet = 1; 94365b390aaSDag-Erling Smørgrav break; 94465b390aaSDag-Erling Smørgrav case '?': 94565b390aaSDag-Erling Smørgrav case 'h': 94665b390aaSDag-Erling Smørgrav default: 94765b390aaSDag-Erling Smørgrav usage(); 94865b390aaSDag-Erling Smørgrav } 94965b390aaSDag-Erling Smørgrav } 95065b390aaSDag-Erling Smørgrav argc -= optind; 95165b390aaSDag-Erling Smørgrav argv += optind; 95265b390aaSDag-Erling Smørgrav if(argc == 0) 95365b390aaSDag-Erling Smørgrav usage(); 95465b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "start")==0) { 955c0caa2e2SCy Schubert #if (defined(TARGET_OS_TV) && TARGET_OS_TV) || (defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) 95625039b37SCy Schubert fatal_exit("could not exec unbound: %s", 95725039b37SCy Schubert strerror(ENOSYS)); 95825039b37SCy Schubert #else 95965b390aaSDag-Erling Smørgrav if(execlp("unbound", "unbound", "-c", cfgfile, 96065b390aaSDag-Erling Smørgrav (char*)NULL) < 0) { 96165b390aaSDag-Erling Smørgrav fatal_exit("could not exec unbound: %s", 96265b390aaSDag-Erling Smørgrav strerror(errno)); 96365b390aaSDag-Erling Smørgrav } 96425039b37SCy Schubert #endif 96565b390aaSDag-Erling Smørgrav } 96665b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "stats_shm")==0) { 96765b390aaSDag-Erling Smørgrav print_stats_shm(cfgfile); 96865b390aaSDag-Erling Smørgrav return 0; 96965b390aaSDag-Erling Smørgrav } 9700eefd307SCy Schubert check_args_for_listcmd(argc, argv); 97165b390aaSDag-Erling Smørgrav 97265b390aaSDag-Erling Smørgrav #ifdef USE_WINSOCK 97365b390aaSDag-Erling Smørgrav if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0) 97465b390aaSDag-Erling Smørgrav fatal_exit("WSAStartup failed: %s", wsa_strerror(r)); 97565b390aaSDag-Erling Smørgrav #endif 976b7579f77SDag-Erling Smørgrav 977b5663de9SDag-Erling Smørgrav #ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS 978b7579f77SDag-Erling Smørgrav ERR_load_crypto_strings(); 979b5663de9SDag-Erling Smørgrav #endif 980971980c3SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 981b7579f77SDag-Erling Smørgrav ERR_load_SSL_strings(); 982971980c3SDag-Erling Smørgrav #endif 983b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO) 9840eefd307SCy Schubert # ifndef S_SPLINT_S 985b7579f77SDag-Erling Smørgrav OpenSSL_add_all_algorithms(); 9860eefd307SCy Schubert # endif 987b5663de9SDag-Erling Smørgrav #else 988b5663de9SDag-Erling Smørgrav OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS 989b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_ADD_ALL_DIGESTS 990b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); 991b5663de9SDag-Erling Smørgrav #endif 992b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 993b7579f77SDag-Erling Smørgrav (void)SSL_library_init(); 994b5663de9SDag-Erling Smørgrav #else 995971980c3SDag-Erling Smørgrav (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL); 996b5663de9SDag-Erling Smørgrav #endif 997b7579f77SDag-Erling Smørgrav 998b7579f77SDag-Erling Smørgrav if(!RAND_status()) { 999b7579f77SDag-Erling Smørgrav /* try to seed it */ 1000b7579f77SDag-Erling Smørgrav unsigned char buf[256]; 10018ed2b524SDag-Erling Smørgrav unsigned int seed=(unsigned)time(NULL) ^ (unsigned)getpid(); 10028ed2b524SDag-Erling Smørgrav unsigned int v = seed; 1003b7579f77SDag-Erling Smørgrav size_t i; 1004b7579f77SDag-Erling Smørgrav for(i=0; i<256/sizeof(v); i++) { 1005b7579f77SDag-Erling Smørgrav memmove(buf+i*sizeof(v), &v, sizeof(v)); 1006b7579f77SDag-Erling Smørgrav v = v*seed + (unsigned int)i; 1007b7579f77SDag-Erling Smørgrav } 1008b7579f77SDag-Erling Smørgrav RAND_seed(buf, 256); 1009b7579f77SDag-Erling Smørgrav log_warn("no entropy, seeding openssl PRNG with time\n"); 1010b7579f77SDag-Erling Smørgrav } 1011b7579f77SDag-Erling Smørgrav 10128ed2b524SDag-Erling Smørgrav ret = go(cfgfile, svr, quiet, argc, argv); 1013b7579f77SDag-Erling Smørgrav 1014b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 1015b7579f77SDag-Erling Smørgrav WSACleanup(); 1016b7579f77SDag-Erling Smørgrav #endif 1017b7579f77SDag-Erling Smørgrav checklock_stop(); 1018b7579f77SDag-Erling Smørgrav return ret; 1019b7579f77SDag-Erling Smørgrav } 1020