1b7579f77SDag-Erling Smørgrav /* 25469a995SCy Schubert * smallapp/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" 665469a995SCy Schubert #include "services/listen_dnsport.h" 67b7579f77SDag-Erling Smørgrav 6865b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_IPC_H 6965b390aaSDag-Erling Smørgrav #include "sys/ipc.h" 7065b390aaSDag-Erling Smørgrav #endif 7165b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_SHM_H 7265b390aaSDag-Erling Smørgrav #include "sys/shm.h" 7365b390aaSDag-Erling Smørgrav #endif 7431099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H 7531099b50SDag-Erling Smørgrav #include <sys/un.h> 7631099b50SDag-Erling Smørgrav #endif 7731099b50SDag-Erling Smørgrav 7825039b37SCy Schubert #ifdef HAVE_TARGETCONDITIONALS_H 7925039b37SCy Schubert #include <TargetConditionals.h> 8025039b37SCy Schubert #endif 8125039b37SCy Schubert 82a755b6f6SDag-Erling Smørgrav static void usage(void) ATTR_NORETURN; 83a755b6f6SDag-Erling Smørgrav static void ssl_err(const char* s) ATTR_NORETURN; 84a755b6f6SDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path) ATTR_NORETURN; 85a755b6f6SDag-Erling Smørgrav 86f44e67d1SCy Schubert /** timeout to wait for connection over stream, in msec */ 87f44e67d1SCy Schubert #define UNBOUND_CONTROL_CONNECT_TIMEOUT 5000 88f44e67d1SCy Schubert 89b7579f77SDag-Erling Smørgrav /** Give unbound-control usage, and exit (1). */ 90b7579f77SDag-Erling Smørgrav static void 91b5663de9SDag-Erling Smørgrav usage(void) 92b7579f77SDag-Erling Smørgrav { 93b70d78d6SDag-Erling Smørgrav printf("Usage: local-unbound-control [options] command\n"); 94b7579f77SDag-Erling Smørgrav printf(" Remote control utility for unbound server.\n"); 95b7579f77SDag-Erling Smørgrav printf("Options:\n"); 96b7579f77SDag-Erling Smørgrav printf(" -c file config file, default is %s\n", CONFIGFILE); 97b7579f77SDag-Erling Smørgrav printf(" -s ip[@port] server address, if omitted config is used.\n"); 988ed2b524SDag-Erling Smørgrav printf(" -q quiet (don't print anything if it works ok).\n"); 99b7579f77SDag-Erling Smørgrav printf(" -h show this usage help.\n"); 100b7579f77SDag-Erling Smørgrav printf("Commands:\n"); 101b7579f77SDag-Erling Smørgrav printf(" start start server; runs unbound(8)\n"); 102b7579f77SDag-Erling Smørgrav printf(" stop stops the server\n"); 103b7579f77SDag-Erling Smørgrav printf(" reload reloads the server\n"); 104b7579f77SDag-Erling Smørgrav printf(" (this flushes data, stats, requestlist)\n"); 105b7579f77SDag-Erling Smørgrav printf(" stats print statistics\n"); 106b7579f77SDag-Erling Smørgrav printf(" stats_noreset peek at statistics\n"); 10765b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 10865b390aaSDag-Erling Smørgrav printf(" stats_shm print statistics using shm\n"); 10965b390aaSDag-Erling Smørgrav #endif 110b7579f77SDag-Erling Smørgrav printf(" status display status of server\n"); 111b7579f77SDag-Erling Smørgrav printf(" verbosity <number> change logging detail\n"); 112b7579f77SDag-Erling Smørgrav printf(" log_reopen close and open the logfile\n"); 113b7579f77SDag-Erling Smørgrav printf(" local_zone <name> <type> add new local zone\n"); 114b7579f77SDag-Erling Smørgrav printf(" local_zone_remove <name> remove local zone and its contents\n"); 115b7579f77SDag-Erling Smørgrav printf(" local_data <RR data...> add local data, for example\n"); 116b7579f77SDag-Erling Smørgrav printf(" local_data www.example.com A 192.0.2.1\n"); 117b7579f77SDag-Erling Smørgrav printf(" local_data_remove <name> remove local RR data from name\n"); 11865b390aaSDag-Erling Smørgrav printf(" local_zones, local_zones_remove, local_datas, local_datas_remove\n"); 11965b390aaSDag-Erling Smørgrav printf(" same, but read list from stdin\n"); 12065b390aaSDag-Erling Smørgrav printf(" (one entry per line).\n"); 121b7579f77SDag-Erling Smørgrav printf(" dump_cache print cache to stdout\n"); 122b7579f77SDag-Erling Smørgrav printf(" load_cache load cache from stdin\n"); 123b7579f77SDag-Erling Smørgrav printf(" lookup <name> print nameservers for name\n"); 124b7579f77SDag-Erling Smørgrav printf(" flush <name> flushes common types for name from cache\n"); 125b7579f77SDag-Erling Smørgrav printf(" types: A, AAAA, MX, PTR, NS,\n"); 126b7579f77SDag-Erling Smørgrav printf(" SOA, CNAME, DNAME, SRV, NAPTR\n"); 127b7579f77SDag-Erling Smørgrav printf(" flush_type <name> <type> flush name, type from cache\n"); 128b7579f77SDag-Erling Smørgrav printf(" flush_zone <name> flush everything at or under name\n"); 129b7579f77SDag-Erling Smørgrav printf(" from rr and dnssec caches\n"); 1308ed2b524SDag-Erling Smørgrav printf(" flush_bogus flush all bogus data\n"); 131ff825849SDag-Erling Smørgrav printf(" flush_negative flush all negative data\n"); 132b7579f77SDag-Erling Smørgrav printf(" flush_stats flush statistics, make zero\n"); 133b7579f77SDag-Erling Smørgrav printf(" flush_requestlist drop queries that are worked on\n"); 134e2d15004SDag-Erling Smørgrav printf(" dump_requestlist show what is worked on by first thread\n"); 135b7579f77SDag-Erling Smørgrav printf(" flush_infra [all | ip] remove ping, edns for one IP or all\n"); 136b7579f77SDag-Erling Smørgrav printf(" dump_infra show ping and edns entries\n"); 137b7579f77SDag-Erling Smørgrav printf(" set_option opt: val set option to value, no reload\n"); 138b7579f77SDag-Erling Smørgrav printf(" get_option opt get option value\n"); 139b7579f77SDag-Erling Smørgrav printf(" list_stubs list stub-zones and root hints in use\n"); 140b7579f77SDag-Erling Smørgrav printf(" list_forwards list forward-zones in use\n"); 14109a3aaf3SDag-Erling Smørgrav printf(" list_insecure list domain-insecure zones\n"); 142b7579f77SDag-Erling Smørgrav printf(" list_local_zones list local-zones in use\n"); 143b7579f77SDag-Erling Smørgrav printf(" list_local_data list local-data RRs in use\n"); 14417d15b25SDag-Erling Smørgrav printf(" insecure_add zone add domain-insecure zone\n"); 14517d15b25SDag-Erling Smørgrav printf(" insecure_remove zone remove domain-insecure zone\n"); 146b7579f77SDag-Erling Smørgrav printf(" forward_add [+i] zone addr.. add forward-zone with servers\n"); 147b7579f77SDag-Erling Smørgrav printf(" forward_remove [+i] zone remove forward zone\n"); 148b7579f77SDag-Erling Smørgrav printf(" stub_add [+ip] zone addr.. add stub-zone with servers\n"); 149b7579f77SDag-Erling Smørgrav printf(" stub_remove [+i] zone remove stub zone\n"); 150b7579f77SDag-Erling Smørgrav printf(" +i also do dnssec insecure point\n"); 151b7579f77SDag-Erling Smørgrav printf(" +p set stub to use priming\n"); 152b7579f77SDag-Erling Smørgrav printf(" forward [off | addr ...] without arg show forward setup\n"); 153b7579f77SDag-Erling Smørgrav printf(" or off to turn off root forwarding\n"); 154b7579f77SDag-Erling Smørgrav printf(" or give list of ip addresses\n"); 15509a3aaf3SDag-Erling Smørgrav printf(" ratelimit_list [+a] list ratelimited domains\n"); 1563005e0a3SDag-Erling Smørgrav printf(" ip_ratelimit_list [+a] list ratelimited ip addresses\n"); 15709a3aaf3SDag-Erling Smørgrav printf(" +a list all, also not ratelimited\n"); 158a39a5a69SCy Schubert printf(" list_auth_zones list auth zones (includes RPZ zones)\n"); 159a39a5a69SCy Schubert printf(" auth_zone_reload zone reload auth zone (or RPZ zone) from zonefile\n"); 160a39a5a69SCy Schubert printf(" auth_zone_transfer zone transfer auth zone (or RPZ zone) from master\n"); 1613005e0a3SDag-Erling Smørgrav printf(" view_list_local_zones view list local-zones in view\n"); 1623005e0a3SDag-Erling Smørgrav printf(" view_list_local_data view list local-data RRs in view\n"); 1633005e0a3SDag-Erling Smørgrav printf(" view_local_zone view name type add local-zone in view\n"); 1643005e0a3SDag-Erling Smørgrav printf(" view_local_zone_remove view name remove local-zone in view\n"); 1653005e0a3SDag-Erling Smørgrav printf(" view_local_data view RR... add local-data in view\n"); 166e86b9096SDag-Erling Smørgrav printf(" view_local_datas view add list of local-data to view\n"); 167e86b9096SDag-Erling Smørgrav printf(" one entry per line read from stdin\n"); 1683005e0a3SDag-Erling Smørgrav printf(" view_local_data_remove view name remove local-data in view\n"); 169091e9e46SCy Schubert printf(" view_local_datas_remove view remove list of local-data from view\n"); 170091e9e46SCy Schubert printf(" one entry per line read from stdin\n"); 171f44e67d1SCy Schubert printf(" rpz_enable zone Enable the RPZ zone if it had previously\n"); 172f44e67d1SCy Schubert printf(" been disabled\n"); 173f44e67d1SCy Schubert printf(" rpz_disable zone Disable the RPZ zone\n"); 174b7579f77SDag-Erling Smørgrav printf("Version %s\n", PACKAGE_VERSION); 175b7579f77SDag-Erling Smørgrav printf("BSD licensed, see LICENSE in source package for details.\n"); 176b7579f77SDag-Erling Smørgrav printf("Report bugs to %s\n", PACKAGE_BUGREPORT); 177b7579f77SDag-Erling Smørgrav exit(1); 178b7579f77SDag-Erling Smørgrav } 179b7579f77SDag-Erling Smørgrav 18065b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 18165b390aaSDag-Erling Smørgrav /** what to put on statistics lines between var and value, ": " or "=" */ 18265b390aaSDag-Erling Smørgrav #define SQ "=" 18365b390aaSDag-Erling Smørgrav /** if true, inhibits a lot of =0 lines from the stats output */ 18465b390aaSDag-Erling Smørgrav static const int inhibit_zero = 1; 18565b390aaSDag-Erling Smørgrav /** divide sum of timers to get average */ 18665b390aaSDag-Erling Smørgrav static void 187c7f4d7adSDag-Erling Smørgrav timeval_divide(struct timeval* avg, const struct timeval* sum, long long d) 18865b390aaSDag-Erling Smørgrav { 18965b390aaSDag-Erling Smørgrav #ifndef S_SPLINT_S 19065b390aaSDag-Erling Smørgrav size_t leftover; 1915469a995SCy Schubert if(d <= 0) { 19265b390aaSDag-Erling Smørgrav avg->tv_sec = 0; 19365b390aaSDag-Erling Smørgrav avg->tv_usec = 0; 19465b390aaSDag-Erling Smørgrav return; 19565b390aaSDag-Erling Smørgrav } 19665b390aaSDag-Erling Smørgrav avg->tv_sec = sum->tv_sec / d; 19765b390aaSDag-Erling Smørgrav avg->tv_usec = sum->tv_usec / d; 19865b390aaSDag-Erling Smørgrav /* handle fraction from seconds divide */ 19965b390aaSDag-Erling Smørgrav leftover = sum->tv_sec - avg->tv_sec*d; 2005469a995SCy Schubert if(leftover <= 0) 2015469a995SCy Schubert leftover = 0; 2025469a995SCy Schubert avg->tv_usec += (((long long)leftover)*((long long)1000000))/d; 2035469a995SCy Schubert if(avg->tv_sec < 0) 2045469a995SCy Schubert avg->tv_sec = 0; 2055469a995SCy Schubert if(avg->tv_usec < 0) 2065469a995SCy Schubert avg->tv_usec = 0; 20765b390aaSDag-Erling Smørgrav #endif 20865b390aaSDag-Erling Smørgrav } 20965b390aaSDag-Erling Smørgrav 21065b390aaSDag-Erling Smørgrav /** print unsigned long stats value */ 21165b390aaSDag-Erling Smørgrav #define PR_UL_NM(str, var) printf("%s."str SQ"%lu\n", nm, (unsigned long)(var)); 21265b390aaSDag-Erling Smørgrav #define PR_UL(str, var) printf(str SQ"%lu\n", (unsigned long)(var)); 21365b390aaSDag-Erling Smørgrav #define PR_UL_SUB(str, nm, var) printf(str".%s"SQ"%lu\n", nm, (unsigned long)(var)); 21465b390aaSDag-Erling Smørgrav #define PR_TIMEVAL(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 21565b390aaSDag-Erling Smørgrav (long long)var.tv_sec, (int)var.tv_usec); 216c7f4d7adSDag-Erling Smørgrav #define PR_STATSTIME(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 217c7f4d7adSDag-Erling Smørgrav (long long)var ## _sec, (int)var ## _usec); 21865b390aaSDag-Erling Smørgrav #define PR_LL(str, var) printf(str SQ ARG_LL"d\n", (long long)(var)); 21965b390aaSDag-Erling Smørgrav 22065b390aaSDag-Erling Smørgrav /** print stat block */ 221c7f4d7adSDag-Erling Smørgrav static void pr_stats(const char* nm, struct ub_stats_info* s) 22265b390aaSDag-Erling Smørgrav { 223c7f4d7adSDag-Erling Smørgrav struct timeval sumwait, avg; 22465b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries", s->svr.num_queries); 22565b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries_ip_ratelimited", 22665b390aaSDag-Erling Smørgrav s->svr.num_queries_ip_ratelimited); 22765b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachehits", 22865b390aaSDag-Erling Smørgrav s->svr.num_queries - s->svr.num_queries_missed_cache); 22965b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachemiss", s->svr.num_queries_missed_cache); 23065b390aaSDag-Erling Smørgrav PR_UL_NM("num.prefetch", s->svr.num_queries_prefetch); 231091e9e46SCy Schubert PR_UL_NM("num.expired", s->svr.ans_expired); 23265b390aaSDag-Erling Smørgrav PR_UL_NM("num.recursivereplies", s->mesh_replies_sent); 23365b390aaSDag-Erling Smørgrav #ifdef USE_DNSCRYPT 23465b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.crypted", s->svr.num_query_dnscrypt_crypted); 23565b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cert", s->svr.num_query_dnscrypt_cert); 23665b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cleartext", s->svr.num_query_dnscrypt_cleartext); 23765b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.malformed", 23865b390aaSDag-Erling Smørgrav s->svr.num_query_dnscrypt_crypted_malformed); 239971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */ 24065b390aaSDag-Erling Smørgrav printf("%s.requestlist.avg"SQ"%g\n", nm, 24165b390aaSDag-Erling Smørgrav (s->svr.num_queries_missed_cache+s->svr.num_queries_prefetch)? 24265b390aaSDag-Erling Smørgrav (double)s->svr.sum_query_list_size/ 243c7f4d7adSDag-Erling Smørgrav (double)(s->svr.num_queries_missed_cache+ 24465b390aaSDag-Erling Smørgrav s->svr.num_queries_prefetch) : 0.0); 24565b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.max", s->svr.max_query_list_size); 24665b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.overwritten", s->mesh_jostled); 24765b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.exceeded", s->mesh_dropped); 24865b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.all", s->mesh_num_states); 24965b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.user", s->mesh_num_reply_states); 250c7f4d7adSDag-Erling Smørgrav #ifndef S_SPLINT_S 251c7f4d7adSDag-Erling Smørgrav sumwait.tv_sec = s->mesh_replies_sum_wait_sec; 252c7f4d7adSDag-Erling Smørgrav sumwait.tv_usec = s->mesh_replies_sum_wait_usec; 253c7f4d7adSDag-Erling Smørgrav #endif 254c7f4d7adSDag-Erling Smørgrav timeval_divide(&avg, &sumwait, s->mesh_replies_sent); 25565b390aaSDag-Erling Smørgrav printf("%s.", nm); 25665b390aaSDag-Erling Smørgrav PR_TIMEVAL("recursion.time.avg", avg); 25765b390aaSDag-Erling Smørgrav printf("%s.recursion.time.median"SQ"%g\n", nm, s->mesh_time_median); 25865b390aaSDag-Erling Smørgrav PR_UL_NM("tcpusage", s->svr.tcp_accept_usage); 25965b390aaSDag-Erling Smørgrav } 26065b390aaSDag-Erling Smørgrav 26165b390aaSDag-Erling Smørgrav /** print uptime */ 262c7f4d7adSDag-Erling Smørgrav static void print_uptime(struct ub_shm_stat_info* shm_stat) 26365b390aaSDag-Erling Smørgrav { 264c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.now", shm_stat->time.now); 265c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.up", shm_stat->time.up); 266c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.elapsed", shm_stat->time.elapsed); 26765b390aaSDag-Erling Smørgrav } 26865b390aaSDag-Erling Smørgrav 26965b390aaSDag-Erling Smørgrav /** print memory usage */ 270e86b9096SDag-Erling Smørgrav static void print_mem(struct ub_shm_stat_info* shm_stat, 271e86b9096SDag-Erling Smørgrav struct ub_stats_info* s) 27265b390aaSDag-Erling Smørgrav { 27365b390aaSDag-Erling Smørgrav PR_LL("mem.cache.rrset", shm_stat->mem.rrset); 27465b390aaSDag-Erling Smørgrav PR_LL("mem.cache.message", shm_stat->mem.msg); 275c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.iterator", shm_stat->mem.iter); 276c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.validator", shm_stat->mem.val); 277c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.respip", shm_stat->mem.respip); 27865b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 279c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.subnet", shm_stat->mem.subnet); 280c7f4d7adSDag-Erling Smørgrav #endif 281c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD 282c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.ipsecmod", shm_stat->mem.ipsecmod); 28365b390aaSDag-Erling Smørgrav #endif 28425039b37SCy Schubert #ifdef WITH_DYNLIBMODULE 28525039b37SCy Schubert PR_LL("mem.mod.dynlib", shm_stat->mem.dynlib); 28625039b37SCy Schubert #endif 287971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT 288971980c3SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_shared_secret", 289971980c3SDag-Erling Smørgrav shm_stat->mem.dnscrypt_shared_secret); 2908a384985SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_nonce", 2918a384985SDag-Erling Smørgrav shm_stat->mem.dnscrypt_nonce); 292971980c3SDag-Erling Smørgrav #endif 293e86b9096SDag-Erling Smørgrav PR_LL("mem.streamwait", s->svr.mem_stream_wait); 294c0caa2e2SCy Schubert PR_LL("mem.http.query_buffer", s->svr.mem_http2_query_buffer); 295c0caa2e2SCy Schubert PR_LL("mem.http.response_buffer", s->svr.mem_http2_response_buffer); 29665b390aaSDag-Erling Smørgrav } 29765b390aaSDag-Erling Smørgrav 29865b390aaSDag-Erling Smørgrav /** print histogram */ 299c7f4d7adSDag-Erling Smørgrav static void print_hist(struct ub_stats_info* s) 30065b390aaSDag-Erling Smørgrav { 30165b390aaSDag-Erling Smørgrav struct timehist* hist; 30265b390aaSDag-Erling Smørgrav size_t i; 30365b390aaSDag-Erling Smørgrav hist = timehist_setup(); 30465b390aaSDag-Erling Smørgrav if(!hist) 30565b390aaSDag-Erling Smørgrav fatal_exit("out of memory"); 30665b390aaSDag-Erling Smørgrav timehist_import(hist, s->svr.hist, NUM_BUCKETS_HIST); 30765b390aaSDag-Erling Smørgrav for(i=0; i<hist->num; i++) { 30865b390aaSDag-Erling Smørgrav printf("histogram.%6.6d.%6.6d.to.%6.6d.%6.6d=%lu\n", 30965b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_sec, 31065b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_usec, 31165b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_sec, 31265b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_usec, 31365b390aaSDag-Erling Smørgrav (unsigned long)hist->buckets[i].count); 31465b390aaSDag-Erling Smørgrav } 31565b390aaSDag-Erling Smørgrav timehist_delete(hist); 31665b390aaSDag-Erling Smørgrav } 31765b390aaSDag-Erling Smørgrav 31865b390aaSDag-Erling Smørgrav /** print extended */ 319c7f4d7adSDag-Erling Smørgrav static void print_extended(struct ub_stats_info* s) 32065b390aaSDag-Erling Smørgrav { 32165b390aaSDag-Erling Smørgrav int i; 32265b390aaSDag-Erling Smørgrav char nm[16]; 32365b390aaSDag-Erling Smørgrav 32465b390aaSDag-Erling Smørgrav /* TYPE */ 325c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QTYPE_NUM; i++) { 32665b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qtype[i] == 0) 32765b390aaSDag-Erling Smørgrav continue; 32865b390aaSDag-Erling Smørgrav sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm)); 32965b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]); 33065b390aaSDag-Erling Smørgrav } 33165b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qtype_big) { 33265b390aaSDag-Erling Smørgrav PR_UL("num.query.type.other", s->svr.qtype_big); 33365b390aaSDag-Erling Smørgrav } 33465b390aaSDag-Erling Smørgrav 33565b390aaSDag-Erling Smørgrav /* CLASS */ 336c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QCLASS_NUM; i++) { 33765b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qclass[i] == 0) 33865b390aaSDag-Erling Smørgrav continue; 33965b390aaSDag-Erling Smørgrav sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm)); 34065b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]); 34165b390aaSDag-Erling Smørgrav } 34265b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qclass_big) { 34365b390aaSDag-Erling Smørgrav PR_UL("num.query.class.other", s->svr.qclass_big); 34465b390aaSDag-Erling Smørgrav } 34565b390aaSDag-Erling Smørgrav 34665b390aaSDag-Erling Smørgrav /* OPCODE */ 347c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_OPCODE_NUM; i++) { 34865b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qopcode[i] == 0) 34965b390aaSDag-Erling Smørgrav continue; 35065b390aaSDag-Erling Smørgrav sldns_wire2str_opcode_buf(i, nm, sizeof(nm)); 35165b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]); 35265b390aaSDag-Erling Smørgrav } 35365b390aaSDag-Erling Smørgrav 35465b390aaSDag-Erling Smørgrav /* transport */ 35565b390aaSDag-Erling Smørgrav PR_UL("num.query.tcp", s->svr.qtcp); 35665b390aaSDag-Erling Smørgrav PR_UL("num.query.tcpout", s->svr.qtcp_outgoing); 3570a92a9fcSCy Schubert PR_UL("num.query.udpout", s->svr.qudp_outgoing); 3584c75e3aaSDag-Erling Smørgrav PR_UL("num.query.tls", s->svr.qtls); 359e86b9096SDag-Erling Smørgrav PR_UL("num.query.tls_resume", s->svr.qtls_resume); 36065b390aaSDag-Erling Smørgrav PR_UL("num.query.ipv6", s->svr.qipv6); 361c0caa2e2SCy Schubert PR_UL("num.query.https", s->svr.qhttps); 36265b390aaSDag-Erling Smørgrav 36365b390aaSDag-Erling Smørgrav /* flags */ 36465b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.QR", s->svr.qbit_QR); 36565b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AA", s->svr.qbit_AA); 36665b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.TC", s->svr.qbit_TC); 36765b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RD", s->svr.qbit_RD); 36865b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RA", s->svr.qbit_RA); 36965b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.Z", s->svr.qbit_Z); 37065b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AD", s->svr.qbit_AD); 37165b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.CD", s->svr.qbit_CD); 37265b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.present", s->svr.qEDNS); 37365b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.DO", s->svr.qEDNS_DO); 37465b390aaSDag-Erling Smørgrav 37565b390aaSDag-Erling Smørgrav /* RCODE */ 376c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_RCODE_NUM; i++) { 37765b390aaSDag-Erling Smørgrav /* Always include RCODEs 0-5 */ 37865b390aaSDag-Erling Smørgrav if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0) 37965b390aaSDag-Erling Smørgrav continue; 38065b390aaSDag-Erling Smørgrav sldns_wire2str_rcode_buf(i, nm, sizeof(nm)); 38165b390aaSDag-Erling Smørgrav PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]); 38265b390aaSDag-Erling Smørgrav } 38365b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.ans_rcode_nodata) { 38465b390aaSDag-Erling Smørgrav PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata); 38565b390aaSDag-Erling Smørgrav } 386971980c3SDag-Erling Smørgrav /* iteration */ 387971980c3SDag-Erling Smørgrav PR_UL("num.query.ratelimited", s->svr.queries_ratelimited); 38865b390aaSDag-Erling Smørgrav /* validation */ 38965b390aaSDag-Erling Smørgrav PR_UL("num.answer.secure", s->svr.ans_secure); 39065b390aaSDag-Erling Smørgrav PR_UL("num.answer.bogus", s->svr.ans_bogus); 39165b390aaSDag-Erling Smørgrav PR_UL("num.rrset.bogus", s->svr.rrset_bogus); 3920fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror); 3930fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain); 39465b390aaSDag-Erling Smørgrav /* threat detection */ 39565b390aaSDag-Erling Smørgrav PR_UL("unwanted.queries", s->svr.unwanted_queries); 39665b390aaSDag-Erling Smørgrav PR_UL("unwanted.replies", s->svr.unwanted_replies); 39765b390aaSDag-Erling Smørgrav /* cache counts */ 39865b390aaSDag-Erling Smørgrav PR_UL("msg.cache.count", s->svr.msg_cache_count); 39965b390aaSDag-Erling Smørgrav PR_UL("rrset.cache.count", s->svr.rrset_cache_count); 40065b390aaSDag-Erling Smørgrav PR_UL("infra.cache.count", s->svr.infra_cache_count); 40165b390aaSDag-Erling Smørgrav PR_UL("key.cache.count", s->svr.key_cache_count); 402091e9e46SCy Schubert /* applied RPZ actions */ 403091e9e46SCy Schubert for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) { 404091e9e46SCy Schubert if(i == RPZ_NO_OVERRIDE_ACTION) 405091e9e46SCy Schubert continue; 406091e9e46SCy Schubert if(inhibit_zero && s->svr.rpz_action[i] == 0) 407091e9e46SCy Schubert continue; 408091e9e46SCy Schubert PR_UL_SUB("num.rpz.action", rpz_action_to_string(i), s->svr.rpz_action[i]); 409091e9e46SCy Schubert } 410971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT 411971980c3SDag-Erling Smørgrav PR_UL("dnscrypt_shared_secret.cache.count", 412971980c3SDag-Erling Smørgrav s->svr.shared_secret_cache_count); 413971980c3SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.shared_secret.cachemiss", 414971980c3SDag-Erling Smørgrav s->svr.num_query_dnscrypt_secret_missed_cache); 4158a384985SDag-Erling Smørgrav PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count); 4168a384985SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.replay", 4178a384985SDag-Erling Smørgrav s->svr.num_query_dnscrypt_replay); 418971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */ 4190fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up); 4200fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down); 4214c75e3aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET 4224c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet", s->svr.num_query_subnet); 4234c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache); 4244c75e3aaSDag-Erling Smørgrav #endif 42565b390aaSDag-Erling Smørgrav } 42665b390aaSDag-Erling Smørgrav 42765b390aaSDag-Erling Smørgrav /** print statistics out of memory structures */ 428c7f4d7adSDag-Erling Smørgrav static void do_stats_shm(struct config_file* cfg, struct ub_stats_info* stats, 429c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat) 43065b390aaSDag-Erling Smørgrav { 43165b390aaSDag-Erling Smørgrav int i; 432971980c3SDag-Erling Smørgrav char nm[32]; 43365b390aaSDag-Erling Smørgrav for(i=0; i<cfg->num_threads; i++) { 43465b390aaSDag-Erling Smørgrav snprintf(nm, sizeof(nm), "thread%d", i); 43565b390aaSDag-Erling Smørgrav pr_stats(nm, &stats[i+1]); 43665b390aaSDag-Erling Smørgrav } 43765b390aaSDag-Erling Smørgrav pr_stats("total", &stats[0]); 43865b390aaSDag-Erling Smørgrav print_uptime(shm_stat); 43965b390aaSDag-Erling Smørgrav if(cfg->stat_extended) { 440e86b9096SDag-Erling Smørgrav print_mem(shm_stat, &stats[0]); 44165b390aaSDag-Erling Smørgrav print_hist(stats); 44265b390aaSDag-Erling Smørgrav print_extended(stats); 44365b390aaSDag-Erling Smørgrav } 44465b390aaSDag-Erling Smørgrav } 44565b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */ 44665b390aaSDag-Erling Smørgrav 44765b390aaSDag-Erling Smørgrav /** print statistics from shm memory segment */ 448a39a5a69SCy Schubert static void print_stats_shm(const char* cfgfile, int quiet) 44965b390aaSDag-Erling Smørgrav { 45065b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET 45165b390aaSDag-Erling Smørgrav struct config_file* cfg; 452c7f4d7adSDag-Erling Smørgrav struct ub_stats_info* stats; 453c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat; 45465b390aaSDag-Erling Smørgrav int id_ctl, id_arr; 45565b390aaSDag-Erling Smørgrav /* read config */ 45665b390aaSDag-Erling Smørgrav if(!(cfg = config_create())) 45765b390aaSDag-Erling Smørgrav fatal_exit("out of memory"); 45865b390aaSDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL)) 45965b390aaSDag-Erling Smørgrav fatal_exit("could not read config file"); 46065b390aaSDag-Erling Smørgrav /* get shm segments */ 4610eefd307SCy Schubert id_ctl = shmget(cfg->shm_key, sizeof(int), SHM_R); 46265b390aaSDag-Erling Smørgrav if(id_ctl == -1) { 46365b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key, strerror(errno)); 46465b390aaSDag-Erling Smørgrav } 4650eefd307SCy Schubert id_arr = shmget(cfg->shm_key+1, sizeof(int), SHM_R); 46665b390aaSDag-Erling Smørgrav if(id_arr == -1) { 46765b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key+1, strerror(errno)); 46865b390aaSDag-Erling Smørgrav } 4690eefd307SCy Schubert shm_stat = (struct ub_shm_stat_info*)shmat(id_ctl, NULL, SHM_RDONLY); 47065b390aaSDag-Erling Smørgrav if(shm_stat == (void*)-1) { 47165b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_ctl, strerror(errno)); 47265b390aaSDag-Erling Smørgrav } 4730eefd307SCy Schubert stats = (struct ub_stats_info*)shmat(id_arr, NULL, SHM_RDONLY); 47465b390aaSDag-Erling Smørgrav if(stats == (void*)-1) { 47565b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_arr, strerror(errno)); 47665b390aaSDag-Erling Smørgrav } 47765b390aaSDag-Erling Smørgrav 478a39a5a69SCy Schubert 479a39a5a69SCy Schubert if(!quiet) { 48065b390aaSDag-Erling Smørgrav /* print the stats */ 48165b390aaSDag-Erling Smørgrav do_stats_shm(cfg, stats, shm_stat); 482a39a5a69SCy Schubert } 48365b390aaSDag-Erling Smørgrav 48465b390aaSDag-Erling Smørgrav /* shutdown */ 48565b390aaSDag-Erling Smørgrav shmdt(shm_stat); 48665b390aaSDag-Erling Smørgrav shmdt(stats); 48765b390aaSDag-Erling Smørgrav config_delete(cfg); 48865b390aaSDag-Erling Smørgrav #else 48965b390aaSDag-Erling Smørgrav (void)cfgfile; 4900a92a9fcSCy Schubert (void)quiet; 49165b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */ 49265b390aaSDag-Erling Smørgrav } 49365b390aaSDag-Erling Smørgrav 494b7579f77SDag-Erling Smørgrav /** exit with ssl error */ 495b7579f77SDag-Erling Smørgrav static void ssl_err(const char* s) 496b7579f77SDag-Erling Smørgrav { 497b7579f77SDag-Erling Smørgrav fprintf(stderr, "error: %s\n", s); 498b7579f77SDag-Erling Smørgrav ERR_print_errors_fp(stderr); 499b7579f77SDag-Erling Smørgrav exit(1); 500b7579f77SDag-Erling Smørgrav } 501b7579f77SDag-Erling Smørgrav 5024c75e3aaSDag-Erling Smørgrav /** exit with ssl error related to a file path */ 5034c75e3aaSDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path) 5044c75e3aaSDag-Erling Smørgrav { 5054c75e3aaSDag-Erling Smørgrav unsigned long err; 5064c75e3aaSDag-Erling Smørgrav err = ERR_peek_error(); 5075469a995SCy Schubert if(ERR_GET_LIB(err) == ERR_LIB_SYS) { 5084c75e3aaSDag-Erling Smørgrav fprintf(stderr, "error: %s\n%s: %s\n", 5094c75e3aaSDag-Erling Smørgrav s, path, ERR_reason_error_string(err)); 5104c75e3aaSDag-Erling Smørgrav exit(1); 5114c75e3aaSDag-Erling Smørgrav } else { 5124c75e3aaSDag-Erling Smørgrav ssl_err(s); 5134c75e3aaSDag-Erling Smørgrav } 5144c75e3aaSDag-Erling Smørgrav } 5154c75e3aaSDag-Erling Smørgrav 516b7579f77SDag-Erling Smørgrav /** setup SSL context */ 517b7579f77SDag-Erling Smørgrav static SSL_CTX* 518b7579f77SDag-Erling Smørgrav setup_ctx(struct config_file* cfg) 519b7579f77SDag-Erling Smørgrav { 520748bd829SDag-Erling Smørgrav char* s_cert=NULL, *c_key=NULL, *c_cert=NULL; 521b7579f77SDag-Erling Smørgrav SSL_CTX* ctx; 522b7579f77SDag-Erling Smørgrav 5237da0adf7SDag-Erling Smørgrav if(!(options_remote_is_address(cfg) && cfg->control_use_cert)) 5247da0adf7SDag-Erling Smørgrav return NULL; 525b7579f77SDag-Erling Smørgrav s_cert = fname_after_chroot(cfg->server_cert_file, cfg, 1); 526b7579f77SDag-Erling Smørgrav c_key = fname_after_chroot(cfg->control_key_file, cfg, 1); 527b7579f77SDag-Erling Smørgrav c_cert = fname_after_chroot(cfg->control_cert_file, cfg, 1); 528b7579f77SDag-Erling Smørgrav if(!s_cert || !c_key || !c_cert) 529b7579f77SDag-Erling Smørgrav fatal_exit("out of memory"); 530b7579f77SDag-Erling Smørgrav ctx = SSL_CTX_new(SSLv23_client_method()); 531b7579f77SDag-Erling Smørgrav if(!ctx) 532b7579f77SDag-Erling Smørgrav ssl_err("could not allocate SSL_CTX pointer"); 533091e9e46SCy Schubert #if SSL_OP_NO_SSLv2 != 0 53405ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2) 53505ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv2) 536b7579f77SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv2"); 537091e9e46SCy Schubert #endif 53805ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3) 53905ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv3) 540ff825849SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv3"); 5410eefd307SCy Schubert #if defined(SSL_OP_NO_RENEGOTIATION) 5420eefd307SCy Schubert /* disable client renegotiation */ 5430eefd307SCy Schubert if((SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION) & 5440eefd307SCy Schubert SSL_OP_NO_RENEGOTIATION) != SSL_OP_NO_RENEGOTIATION) 5450eefd307SCy Schubert ssl_err("could not set SSL_OP_NO_RENEGOTIATION"); 5460eefd307SCy Schubert #endif 5474c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert)) 5484c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client cert", c_cert); 5494c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM)) 5504c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client key", c_key); 5514c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_check_private_key(ctx)) 5524c75e3aaSDag-Erling Smørgrav ssl_err("Error setting up SSL_CTX client key"); 553b7579f77SDag-Erling Smørgrav if(SSL_CTX_load_verify_locations(ctx, s_cert, NULL) != 1) 5544c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX verify, server cert", 5554c75e3aaSDag-Erling Smørgrav s_cert); 556b7579f77SDag-Erling Smørgrav SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); 557b7579f77SDag-Erling Smørgrav 558b7579f77SDag-Erling Smørgrav free(s_cert); 559b7579f77SDag-Erling Smørgrav free(c_key); 560b7579f77SDag-Erling Smørgrav free(c_cert); 561b7579f77SDag-Erling Smørgrav return ctx; 562b7579f77SDag-Erling Smørgrav } 563b7579f77SDag-Erling Smørgrav 564f44e67d1SCy Schubert /** check connect error */ 565f44e67d1SCy Schubert static void 566f44e67d1SCy Schubert checkconnecterr(int err, const char* svr, struct sockaddr_storage* addr, 567f44e67d1SCy Schubert socklen_t addrlen, int statuscmd, int useport) 568f44e67d1SCy Schubert { 569f44e67d1SCy Schubert #ifndef USE_WINSOCK 570f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", strerror(err), svr); 571f44e67d1SCy Schubert else log_err_addr("connect", strerror(err), addr, addrlen); 572f44e67d1SCy Schubert if(err == ECONNREFUSED && statuscmd) { 573f44e67d1SCy Schubert printf("unbound is stopped\n"); 574f44e67d1SCy Schubert exit(3); 575f44e67d1SCy Schubert } 576f44e67d1SCy Schubert #else 577f44e67d1SCy Schubert int wsaerr = err; 578f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", wsa_strerror(wsaerr), svr); 579f44e67d1SCy Schubert else log_err_addr("connect", wsa_strerror(wsaerr), addr, addrlen); 580f44e67d1SCy Schubert if(wsaerr == WSAECONNREFUSED && statuscmd) { 581f44e67d1SCy Schubert printf("unbound is stopped\n"); 582f44e67d1SCy Schubert exit(3); 583f44e67d1SCy Schubert } 584f44e67d1SCy Schubert #endif 585f44e67d1SCy Schubert exit(1); 586f44e67d1SCy Schubert } 587f44e67d1SCy Schubert 588b7579f77SDag-Erling Smørgrav /** contact the server with TCP connect */ 589b7579f77SDag-Erling Smørgrav static int 590b7579f77SDag-Erling Smørgrav contact_server(const char* svr, struct config_file* cfg, int statuscmd) 591b7579f77SDag-Erling Smørgrav { 592b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr; 593b7579f77SDag-Erling Smørgrav socklen_t addrlen; 5947da0adf7SDag-Erling Smørgrav int addrfamily = 0, proto = IPPROTO_TCP; 5957da0adf7SDag-Erling Smørgrav int fd, useport = 1; 5965469a995SCy Schubert char** rcif = NULL; 5975469a995SCy Schubert int num_rcif = 0; 598b7579f77SDag-Erling Smørgrav /* use svr or the first config entry */ 599b7579f77SDag-Erling Smørgrav if(!svr) { 6007da0adf7SDag-Erling Smørgrav if(cfg->control_ifs.first) { 6015469a995SCy Schubert struct sockaddr_storage addr2; 6025469a995SCy Schubert socklen_t addrlen2; 6035469a995SCy Schubert if(extstrtoaddr(cfg->control_ifs.first->str, &addr2, 604*865f46b2SCy Schubert &addrlen2, UNBOUND_DNS_PORT)) { 6057da0adf7SDag-Erling Smørgrav svr = cfg->control_ifs.first->str; 6065469a995SCy Schubert } else { 6075469a995SCy Schubert if(!resolve_interface_names(NULL, 0, 6085469a995SCy Schubert cfg->control_ifs.first, &rcif, 6095469a995SCy Schubert &num_rcif)) { 6105469a995SCy Schubert fatal_exit("could not resolve interface names"); 6115469a995SCy Schubert } 6125469a995SCy Schubert if(rcif == NULL || num_rcif == 0) { 6135469a995SCy Schubert fatal_exit("no control interfaces"); 6145469a995SCy Schubert } 6155469a995SCy Schubert svr = rcif[0]; 6165469a995SCy Schubert } 6173005e0a3SDag-Erling Smørgrav } else if(cfg->do_ip4) { 6183005e0a3SDag-Erling Smørgrav svr = "127.0.0.1"; 6193005e0a3SDag-Erling Smørgrav } else { 6203005e0a3SDag-Erling Smørgrav svr = "::1"; 6213005e0a3SDag-Erling Smørgrav } 622b7579f77SDag-Erling Smørgrav /* config 0 addr (everything), means ask localhost */ 623b7579f77SDag-Erling Smørgrav if(strcmp(svr, "0.0.0.0") == 0) 624b7579f77SDag-Erling Smørgrav svr = "127.0.0.1"; 625b7579f77SDag-Erling Smørgrav else if(strcmp(svr, "::0") == 0 || 626b7579f77SDag-Erling Smørgrav strcmp(svr, "0::0") == 0 || 627b7579f77SDag-Erling Smørgrav strcmp(svr, "0::") == 0 || 628b7579f77SDag-Erling Smørgrav strcmp(svr, "::") == 0) 629b7579f77SDag-Erling Smørgrav svr = "::1"; 630b7579f77SDag-Erling Smørgrav } 631b7579f77SDag-Erling Smørgrav if(strchr(svr, '@')) { 632*865f46b2SCy Schubert if(!extstrtoaddr(svr, &addr, &addrlen, UNBOUND_DNS_PORT)) 633b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP@port: %s", svr); 63431099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H 63531099b50SDag-Erling Smørgrav } else if(svr[0] == '/') { 6366480faa8SDag-Erling Smørgrav struct sockaddr_un* usock = (struct sockaddr_un *) &addr; 6376480faa8SDag-Erling Smørgrav usock->sun_family = AF_LOCAL; 638748bd829SDag-Erling Smørgrav #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN 639b5663de9SDag-Erling Smørgrav usock->sun_len = (unsigned)sizeof(usock); 640748bd829SDag-Erling Smørgrav #endif 6416480faa8SDag-Erling Smørgrav (void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path)); 642748bd829SDag-Erling Smørgrav addrlen = (socklen_t)sizeof(struct sockaddr_un); 64331099b50SDag-Erling Smørgrav addrfamily = AF_LOCAL; 6447da0adf7SDag-Erling Smørgrav useport = 0; 6457da0adf7SDag-Erling Smørgrav proto = 0; 64631099b50SDag-Erling Smørgrav #endif 647b7579f77SDag-Erling Smørgrav } else { 648b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen)) 649b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP: %s", svr); 650b7579f77SDag-Erling Smørgrav } 65131099b50SDag-Erling Smørgrav 65231099b50SDag-Erling Smørgrav if(addrfamily == 0) 6537da0adf7SDag-Erling Smørgrav addrfamily = addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET; 6547da0adf7SDag-Erling Smørgrav fd = socket(addrfamily, SOCK_STREAM, proto); 655b7579f77SDag-Erling Smørgrav if(fd == -1) { 656c0caa2e2SCy Schubert fatal_exit("socket: %s", sock_strerror(errno)); 657b7579f77SDag-Erling Smørgrav } 658f44e67d1SCy Schubert fd_set_nonblock(fd); 659b7579f77SDag-Erling Smørgrav if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) { 660b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK 661f44e67d1SCy Schubert #ifdef EINPROGRESS 662f44e67d1SCy Schubert if(errno != EINPROGRESS) { 663f44e67d1SCy Schubert checkconnecterr(errno, svr, &addr, 664f44e67d1SCy Schubert addrlen, statuscmd, useport); 665b7579f77SDag-Erling Smørgrav } 666b7579f77SDag-Erling Smørgrav #endif 667f44e67d1SCy Schubert #else 668f44e67d1SCy Schubert if(WSAGetLastError() != WSAEINPROGRESS && 669f44e67d1SCy Schubert WSAGetLastError() != WSAEWOULDBLOCK) { 670f44e67d1SCy Schubert checkconnecterr(WSAGetLastError(), svr, &addr, 671f44e67d1SCy Schubert addrlen, statuscmd, useport); 672b7579f77SDag-Erling Smørgrav } 673f44e67d1SCy Schubert #endif 674f44e67d1SCy Schubert } 675f44e67d1SCy Schubert while(1) { 676f44e67d1SCy Schubert fd_set rset, wset, eset; 677f44e67d1SCy Schubert struct timeval tv; 678f44e67d1SCy Schubert FD_ZERO(&rset); 679f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &rset); 680f44e67d1SCy Schubert FD_ZERO(&wset); 681f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &wset); 682f44e67d1SCy Schubert FD_ZERO(&eset); 683f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &eset); 684f44e67d1SCy Schubert tv.tv_sec = UNBOUND_CONTROL_CONNECT_TIMEOUT/1000; 685f44e67d1SCy Schubert tv.tv_usec= (UNBOUND_CONTROL_CONNECT_TIMEOUT%1000)*1000; 686f44e67d1SCy Schubert if(select(fd+1, &rset, &wset, &eset, &tv) == -1) { 687f44e67d1SCy Schubert fatal_exit("select: %s", sock_strerror(errno)); 688f44e67d1SCy Schubert } 689f44e67d1SCy Schubert if(!FD_ISSET(fd, &rset) && !FD_ISSET(fd, &wset) && 690f44e67d1SCy Schubert !FD_ISSET(fd, &eset)) { 691f44e67d1SCy Schubert fatal_exit("timeout: could not connect to server"); 692f44e67d1SCy Schubert } else { 693f44e67d1SCy Schubert /* check nonblocking connect error */ 694f44e67d1SCy Schubert int error = 0; 695f44e67d1SCy Schubert socklen_t len = (socklen_t)sizeof(error); 696f44e67d1SCy Schubert if(getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&error, 697f44e67d1SCy Schubert &len) < 0) { 698f44e67d1SCy Schubert #ifndef USE_WINSOCK 699f44e67d1SCy Schubert error = errno; /* on solaris errno is error */ 700f44e67d1SCy Schubert #else 701f44e67d1SCy Schubert error = WSAGetLastError(); 702f44e67d1SCy Schubert #endif 703f44e67d1SCy Schubert } 704f44e67d1SCy Schubert if(error != 0) { 705f44e67d1SCy Schubert #ifndef USE_WINSOCK 706f44e67d1SCy Schubert #ifdef EINPROGRESS 707f44e67d1SCy Schubert if(error == EINPROGRESS) 708f44e67d1SCy Schubert continue; /* try again later */ 709f44e67d1SCy Schubert #endif 710f44e67d1SCy Schubert #ifdef EWOULDBLOCK 711f44e67d1SCy Schubert if(error == EWOULDBLOCK) 712f44e67d1SCy Schubert continue; /* try again later */ 713f44e67d1SCy Schubert #endif 714f44e67d1SCy Schubert #else 715f44e67d1SCy Schubert if(error == WSAEINPROGRESS) 716f44e67d1SCy Schubert continue; /* try again later */ 717f44e67d1SCy Schubert if(error == WSAEWOULDBLOCK) 718f44e67d1SCy Schubert continue; /* try again later */ 719f44e67d1SCy Schubert #endif 720f44e67d1SCy Schubert checkconnecterr(error, svr, &addr, addrlen, 721f44e67d1SCy Schubert statuscmd, useport); 722f44e67d1SCy Schubert } 723f44e67d1SCy Schubert } 724f44e67d1SCy Schubert break; 725f44e67d1SCy Schubert } 726f44e67d1SCy Schubert fd_set_block(fd); 7275469a995SCy Schubert config_del_strarray(rcif, num_rcif); 728b7579f77SDag-Erling Smørgrav return fd; 729b7579f77SDag-Erling Smørgrav } 730b7579f77SDag-Erling Smørgrav 731b7579f77SDag-Erling Smørgrav /** setup SSL on the connection */ 732b7579f77SDag-Erling Smørgrav static SSL* 7337da0adf7SDag-Erling Smørgrav setup_ssl(SSL_CTX* ctx, int fd) 734b7579f77SDag-Erling Smørgrav { 735b7579f77SDag-Erling Smørgrav SSL* ssl; 736b7579f77SDag-Erling Smørgrav X509* x; 737b7579f77SDag-Erling Smørgrav int r; 738b7579f77SDag-Erling Smørgrav 7397da0adf7SDag-Erling Smørgrav if(!ctx) return NULL; 740b7579f77SDag-Erling Smørgrav ssl = SSL_new(ctx); 741b7579f77SDag-Erling Smørgrav if(!ssl) 742b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_new"); 743b7579f77SDag-Erling Smørgrav SSL_set_connect_state(ssl); 7440eefd307SCy Schubert (void)SSL_set_mode(ssl, (long)SSL_MODE_AUTO_RETRY); 745b7579f77SDag-Erling Smørgrav if(!SSL_set_fd(ssl, fd)) 746b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_set_fd"); 747b7579f77SDag-Erling Smørgrav while(1) { 748b7579f77SDag-Erling Smørgrav ERR_clear_error(); 749b7579f77SDag-Erling Smørgrav if( (r=SSL_do_handshake(ssl)) == 1) 750b7579f77SDag-Erling Smørgrav break; 751b7579f77SDag-Erling Smørgrav r = SSL_get_error(ssl, r); 752b7579f77SDag-Erling Smørgrav if(r != SSL_ERROR_WANT_READ && r != SSL_ERROR_WANT_WRITE) 753b7579f77SDag-Erling Smørgrav ssl_err("SSL handshake failed"); 754b7579f77SDag-Erling Smørgrav /* wants to be called again */ 755b7579f77SDag-Erling Smørgrav } 756b7579f77SDag-Erling Smørgrav 757b7579f77SDag-Erling Smørgrav /* check authenticity of server */ 758b7579f77SDag-Erling Smørgrav if(SSL_get_verify_result(ssl) != X509_V_OK) 759b7579f77SDag-Erling Smørgrav ssl_err("SSL verification failed"); 760b7579f77SDag-Erling Smørgrav x = SSL_get_peer_certificate(ssl); 761b7579f77SDag-Erling Smørgrav if(!x) 762b7579f77SDag-Erling Smørgrav ssl_err("Server presented no peer certificate"); 763b7579f77SDag-Erling Smørgrav X509_free(x); 76431099b50SDag-Erling Smørgrav 765b7579f77SDag-Erling Smørgrav return ssl; 766b7579f77SDag-Erling Smørgrav } 767b7579f77SDag-Erling Smørgrav 7687da0adf7SDag-Erling Smørgrav /** read from ssl or fd, fatalexit on error, 0 EOF, 1 success */ 7697da0adf7SDag-Erling Smørgrav static int 7707da0adf7SDag-Erling Smørgrav remote_read(SSL* ssl, int fd, char* buf, size_t len) 7717da0adf7SDag-Erling Smørgrav { 7727da0adf7SDag-Erling Smørgrav if(ssl) { 7737da0adf7SDag-Erling Smørgrav int r; 7747da0adf7SDag-Erling Smørgrav ERR_clear_error(); 7757da0adf7SDag-Erling Smørgrav if((r = SSL_read(ssl, buf, (int)len-1)) <= 0) { 7767da0adf7SDag-Erling Smørgrav if(SSL_get_error(ssl, r) == SSL_ERROR_ZERO_RETURN) { 7777da0adf7SDag-Erling Smørgrav /* EOF */ 7787da0adf7SDag-Erling Smørgrav return 0; 7797da0adf7SDag-Erling Smørgrav } 7807da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_read"); 7817da0adf7SDag-Erling Smørgrav } 7827da0adf7SDag-Erling Smørgrav buf[r] = 0; 7837da0adf7SDag-Erling Smørgrav } else { 7847da0adf7SDag-Erling Smørgrav ssize_t rr = recv(fd, buf, len-1, 0); 7857da0adf7SDag-Erling Smørgrav if(rr <= 0) { 7867da0adf7SDag-Erling Smørgrav if(rr == 0) { 7877da0adf7SDag-Erling Smørgrav /* EOF */ 7887da0adf7SDag-Erling Smørgrav return 0; 7897da0adf7SDag-Erling Smørgrav } 790c0caa2e2SCy Schubert fatal_exit("could not recv: %s", sock_strerror(errno)); 7917da0adf7SDag-Erling Smørgrav } 7927da0adf7SDag-Erling Smørgrav buf[rr] = 0; 7937da0adf7SDag-Erling Smørgrav } 7947da0adf7SDag-Erling Smørgrav return 1; 7957da0adf7SDag-Erling Smørgrav } 7967da0adf7SDag-Erling Smørgrav 7977da0adf7SDag-Erling Smørgrav /** write to ssl or fd, fatalexit on error */ 7987da0adf7SDag-Erling Smørgrav static void 7997da0adf7SDag-Erling Smørgrav remote_write(SSL* ssl, int fd, const char* buf, size_t len) 8007da0adf7SDag-Erling Smørgrav { 8017da0adf7SDag-Erling Smørgrav if(ssl) { 8027da0adf7SDag-Erling Smørgrav if(SSL_write(ssl, buf, (int)len) <= 0) 8037da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_write"); 8047da0adf7SDag-Erling Smørgrav } else { 8057da0adf7SDag-Erling Smørgrav if(send(fd, buf, len, 0) < (ssize_t)len) { 806c0caa2e2SCy Schubert fatal_exit("could not send: %s", sock_strerror(errno)); 8077da0adf7SDag-Erling Smørgrav } 8087da0adf7SDag-Erling Smørgrav } 8097da0adf7SDag-Erling Smørgrav } 8107da0adf7SDag-Erling Smørgrav 8110eefd307SCy Schubert /** check args, to see if too many args. Because when a file is sent it 8120eefd307SCy Schubert * would wait for the terminal, and we can check for too many arguments, 8130eefd307SCy Schubert * eg. user put arguments on the commandline. */ 8140eefd307SCy Schubert static void 8150eefd307SCy Schubert check_args_for_listcmd(int argc, char* argv[]) 8160eefd307SCy Schubert { 8170eefd307SCy Schubert if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 8180eefd307SCy Schubert strcmp(argv[0], "local_zones_remove") == 0 || 8190eefd307SCy Schubert strcmp(argv[0], "local_datas") == 0 || 8200eefd307SCy Schubert strcmp(argv[0], "local_datas_remove") == 0) && 8210eefd307SCy Schubert argc >= 2) { 8220eefd307SCy Schubert fatal_exit("too many arguments for command '%s', " 8230eefd307SCy Schubert "content is piped in from stdin", argv[0]); 8240eefd307SCy Schubert } 825091e9e46SCy Schubert if(argc >= 1 && (strcmp(argv[0], "view_local_datas") == 0 || 826091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0) && 8270eefd307SCy Schubert argc >= 3) { 8280eefd307SCy Schubert fatal_exit("too many arguments for command '%s', " 8290eefd307SCy Schubert "content is piped in from stdin", argv[0]); 8300eefd307SCy Schubert } 8310eefd307SCy Schubert } 8320eefd307SCy Schubert 833b7579f77SDag-Erling Smørgrav /** send stdin to server */ 834b7579f77SDag-Erling Smørgrav static void 8357da0adf7SDag-Erling Smørgrav send_file(SSL* ssl, int fd, FILE* in, char* buf, size_t sz) 836b7579f77SDag-Erling Smørgrav { 837b7579f77SDag-Erling Smørgrav while(fgets(buf, (int)sz, in)) { 8387da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, buf, strlen(buf)); 839b7579f77SDag-Erling Smørgrav } 840b7579f77SDag-Erling Smørgrav } 841b7579f77SDag-Erling Smørgrav 842bc892140SDag-Erling Smørgrav /** send end-of-file marker to server */ 843bc892140SDag-Erling Smørgrav static void 8447da0adf7SDag-Erling Smørgrav send_eof(SSL* ssl, int fd) 845bc892140SDag-Erling Smørgrav { 846bc892140SDag-Erling Smørgrav char e[] = {0x04, 0x0a}; 8477da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, e, sizeof(e)); 848bc892140SDag-Erling Smørgrav } 849bc892140SDag-Erling Smørgrav 850b7579f77SDag-Erling Smørgrav /** send command and display result */ 851b7579f77SDag-Erling Smørgrav static int 8527da0adf7SDag-Erling Smørgrav go_cmd(SSL* ssl, int fd, int quiet, int argc, char* argv[]) 853b7579f77SDag-Erling Smørgrav { 854b7579f77SDag-Erling Smørgrav char pre[10]; 855b7579f77SDag-Erling Smørgrav const char* space=" "; 856b7579f77SDag-Erling Smørgrav const char* newline="\n"; 857b7579f77SDag-Erling Smørgrav int was_error = 0, first_line = 1; 8587da0adf7SDag-Erling Smørgrav int i; 859b7579f77SDag-Erling Smørgrav char buf[1024]; 860b7579f77SDag-Erling Smørgrav snprintf(pre, sizeof(pre), "UBCT%d ", UNBOUND_CONTROL_VERSION); 8617da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, pre, strlen(pre)); 862b7579f77SDag-Erling Smørgrav for(i=0; i<argc; i++) { 8637da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, space, strlen(space)); 8647da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, argv[i], strlen(argv[i])); 865b7579f77SDag-Erling Smørgrav } 8667da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, newline, strlen(newline)); 867b7579f77SDag-Erling Smørgrav 868b7579f77SDag-Erling Smørgrav if(argc == 1 && strcmp(argv[0], "load_cache") == 0) { 8697da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf)); 870b7579f77SDag-Erling Smørgrav } 871e86b9096SDag-Erling Smørgrav else if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 872bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_zones_remove") == 0 || 873bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_datas") == 0 || 874e86b9096SDag-Erling Smørgrav strcmp(argv[0], "view_local_datas") == 0 || 875091e9e46SCy Schubert strcmp(argv[0], "local_datas_remove") == 0 || 876091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0)) { 8777da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf)); 8787da0adf7SDag-Erling Smørgrav send_eof(ssl, fd); 879bc892140SDag-Erling Smørgrav } 880b7579f77SDag-Erling Smørgrav 881b7579f77SDag-Erling Smørgrav while(1) { 8827da0adf7SDag-Erling Smørgrav if(remote_read(ssl, fd, buf, sizeof(buf)) == 0) { 8837da0adf7SDag-Erling Smørgrav break; /* EOF */ 884b7579f77SDag-Erling Smørgrav } 8858ed2b524SDag-Erling Smørgrav if(first_line && strncmp(buf, "error", 5) == 0) { 886b7579f77SDag-Erling Smørgrav printf("%s", buf); 887b7579f77SDag-Erling Smørgrav was_error = 1; 888a39a5a69SCy Schubert } else if(!quiet) { 8898ed2b524SDag-Erling Smørgrav printf("%s", buf); 890a39a5a69SCy Schubert } 8918ed2b524SDag-Erling Smørgrav 892b7579f77SDag-Erling Smørgrav first_line = 0; 893b7579f77SDag-Erling Smørgrav } 894b7579f77SDag-Erling Smørgrav return was_error; 895b7579f77SDag-Erling Smørgrav } 896b7579f77SDag-Erling Smørgrav 897b7579f77SDag-Erling Smørgrav /** go ahead and read config, contact server and perform command and display */ 898b7579f77SDag-Erling Smørgrav static int 8998ed2b524SDag-Erling Smørgrav go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[]) 900b7579f77SDag-Erling Smørgrav { 901b7579f77SDag-Erling Smørgrav struct config_file* cfg; 902b7579f77SDag-Erling Smørgrav int fd, ret; 903b7579f77SDag-Erling Smørgrav SSL_CTX* ctx; 904b7579f77SDag-Erling Smørgrav SSL* ssl; 905b7579f77SDag-Erling Smørgrav 906b7579f77SDag-Erling Smørgrav /* read config */ 907b7579f77SDag-Erling Smørgrav if(!(cfg = config_create())) 908b7579f77SDag-Erling Smørgrav fatal_exit("out of memory"); 909b7579f77SDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL)) 910b7579f77SDag-Erling Smørgrav fatal_exit("could not read config file"); 911b7579f77SDag-Erling Smørgrav if(!cfg->remote_control_enable) 912b7579f77SDag-Erling Smørgrav log_warn("control-enable is 'no' in the config file."); 91305ab2901SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS 91405ab2901SDag-Erling Smørgrav w_config_adjust_directory(cfg); 91505ab2901SDag-Erling Smørgrav #endif 916b7579f77SDag-Erling Smørgrav ctx = setup_ctx(cfg); 917b7579f77SDag-Erling Smørgrav 918b7579f77SDag-Erling Smørgrav /* contact server */ 919b7579f77SDag-Erling Smørgrav fd = contact_server(svr, cfg, argc>0&&strcmp(argv[0],"status")==0); 9207da0adf7SDag-Erling Smørgrav ssl = setup_ssl(ctx, fd); 921b7579f77SDag-Erling Smørgrav 922b7579f77SDag-Erling Smørgrav /* send command */ 9237da0adf7SDag-Erling Smørgrav ret = go_cmd(ssl, fd, quiet, argc, argv); 924b7579f77SDag-Erling Smørgrav 9257da0adf7SDag-Erling Smørgrav if(ssl) SSL_free(ssl); 926c0caa2e2SCy Schubert sock_close(fd); 9277da0adf7SDag-Erling Smørgrav if(ctx) SSL_CTX_free(ctx); 928b7579f77SDag-Erling Smørgrav config_delete(cfg); 929b7579f77SDag-Erling Smørgrav return ret; 930b7579f77SDag-Erling Smørgrav } 931b7579f77SDag-Erling Smørgrav 932b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */ 933b7579f77SDag-Erling Smørgrav extern int optind; 934b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */ 935b7579f77SDag-Erling Smørgrav extern char* optarg; 936b7579f77SDag-Erling Smørgrav 937b7579f77SDag-Erling Smørgrav /** Main routine for unbound-control */ 938b7579f77SDag-Erling Smørgrav int main(int argc, char* argv[]) 939b7579f77SDag-Erling Smørgrav { 940b7579f77SDag-Erling Smørgrav int c, ret; 9418ed2b524SDag-Erling Smørgrav int quiet = 0; 942b7579f77SDag-Erling Smørgrav const char* cfgfile = CONFIGFILE; 943b7579f77SDag-Erling Smørgrav char* svr = NULL; 944b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 945b7579f77SDag-Erling Smørgrav int r; 946b7579f77SDag-Erling Smørgrav WSADATA wsa_data; 947b7579f77SDag-Erling Smørgrav #endif 948b7579f77SDag-Erling Smørgrav #ifdef USE_THREAD_DEBUG 9498a384985SDag-Erling Smørgrav /* stop the file output from unbound-control, overwrites the servers */ 950b7579f77SDag-Erling Smørgrav extern int check_locking_order; 951b7579f77SDag-Erling Smørgrav check_locking_order = 0; 952b7579f77SDag-Erling Smørgrav #endif /* USE_THREAD_DEBUG */ 95324e36522SCy Schubert checklock_start(); 954b7579f77SDag-Erling Smørgrav log_ident_set("unbound-control"); 955b7579f77SDag-Erling Smørgrav log_init(NULL, 0, NULL); 956b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 957b7579f77SDag-Erling Smørgrav /* use registry config file in preference to compiletime location */ 958b7579f77SDag-Erling Smørgrav if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile"))) 959b7579f77SDag-Erling Smørgrav cfgfile = CONFIGFILE; 960b7579f77SDag-Erling Smørgrav #endif 96165b390aaSDag-Erling Smørgrav /* parse the options */ 96265b390aaSDag-Erling Smørgrav while( (c=getopt(argc, argv, "c:s:qh")) != -1) { 96365b390aaSDag-Erling Smørgrav switch(c) { 96465b390aaSDag-Erling Smørgrav case 'c': 96565b390aaSDag-Erling Smørgrav cfgfile = optarg; 96665b390aaSDag-Erling Smørgrav break; 96765b390aaSDag-Erling Smørgrav case 's': 96865b390aaSDag-Erling Smørgrav svr = optarg; 96965b390aaSDag-Erling Smørgrav break; 97065b390aaSDag-Erling Smørgrav case 'q': 97165b390aaSDag-Erling Smørgrav quiet = 1; 97265b390aaSDag-Erling Smørgrav break; 97365b390aaSDag-Erling Smørgrav case '?': 97465b390aaSDag-Erling Smørgrav case 'h': 97565b390aaSDag-Erling Smørgrav default: 97665b390aaSDag-Erling Smørgrav usage(); 97765b390aaSDag-Erling Smørgrav } 97865b390aaSDag-Erling Smørgrav } 97965b390aaSDag-Erling Smørgrav argc -= optind; 98065b390aaSDag-Erling Smørgrav argv += optind; 98165b390aaSDag-Erling Smørgrav if(argc == 0) 98265b390aaSDag-Erling Smørgrav usage(); 98365b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "start")==0) { 984c0caa2e2SCy Schubert #if (defined(TARGET_OS_TV) && TARGET_OS_TV) || (defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) 98525039b37SCy Schubert fatal_exit("could not exec unbound: %s", 98625039b37SCy Schubert strerror(ENOSYS)); 98725039b37SCy Schubert #else 98865b390aaSDag-Erling Smørgrav if(execlp("unbound", "unbound", "-c", cfgfile, 98965b390aaSDag-Erling Smørgrav (char*)NULL) < 0) { 99065b390aaSDag-Erling Smørgrav fatal_exit("could not exec unbound: %s", 99165b390aaSDag-Erling Smørgrav strerror(errno)); 99265b390aaSDag-Erling Smørgrav } 99325039b37SCy Schubert #endif 99465b390aaSDag-Erling Smørgrav } 99565b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "stats_shm")==0) { 996a39a5a69SCy Schubert print_stats_shm(cfgfile, quiet); 99765b390aaSDag-Erling Smørgrav return 0; 99865b390aaSDag-Erling Smørgrav } 9990eefd307SCy Schubert check_args_for_listcmd(argc, argv); 100065b390aaSDag-Erling Smørgrav 100165b390aaSDag-Erling Smørgrav #ifdef USE_WINSOCK 100265b390aaSDag-Erling Smørgrav if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0) 100365b390aaSDag-Erling Smørgrav fatal_exit("WSAStartup failed: %s", wsa_strerror(r)); 100465b390aaSDag-Erling Smørgrav #endif 1005b7579f77SDag-Erling Smørgrav 1006b5663de9SDag-Erling Smørgrav #ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS 1007b7579f77SDag-Erling Smørgrav ERR_load_crypto_strings(); 1008b5663de9SDag-Erling Smørgrav #endif 1009971980c3SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 1010b7579f77SDag-Erling Smørgrav ERR_load_SSL_strings(); 1011971980c3SDag-Erling Smørgrav #endif 1012b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO) 10130eefd307SCy Schubert # ifndef S_SPLINT_S 1014b7579f77SDag-Erling Smørgrav OpenSSL_add_all_algorithms(); 10150eefd307SCy Schubert # endif 1016b5663de9SDag-Erling Smørgrav #else 1017b5663de9SDag-Erling Smørgrav OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS 1018b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_ADD_ALL_DIGESTS 1019b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); 1020b5663de9SDag-Erling Smørgrav #endif 1021b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 1022b7579f77SDag-Erling Smørgrav (void)SSL_library_init(); 1023b5663de9SDag-Erling Smørgrav #else 1024971980c3SDag-Erling Smørgrav (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL); 1025b5663de9SDag-Erling Smørgrav #endif 1026b7579f77SDag-Erling Smørgrav 1027b7579f77SDag-Erling Smørgrav if(!RAND_status()) { 1028b7579f77SDag-Erling Smørgrav /* try to seed it */ 1029b7579f77SDag-Erling Smørgrav unsigned char buf[256]; 10308ed2b524SDag-Erling Smørgrav unsigned int seed=(unsigned)time(NULL) ^ (unsigned)getpid(); 10318ed2b524SDag-Erling Smørgrav unsigned int v = seed; 1032b7579f77SDag-Erling Smørgrav size_t i; 1033b7579f77SDag-Erling Smørgrav for(i=0; i<256/sizeof(v); i++) { 1034b7579f77SDag-Erling Smørgrav memmove(buf+i*sizeof(v), &v, sizeof(v)); 1035b7579f77SDag-Erling Smørgrav v = v*seed + (unsigned int)i; 1036b7579f77SDag-Erling Smørgrav } 1037b7579f77SDag-Erling Smørgrav RAND_seed(buf, 256); 1038b7579f77SDag-Erling Smørgrav log_warn("no entropy, seeding openssl PRNG with time\n"); 1039b7579f77SDag-Erling Smørgrav } 1040b7579f77SDag-Erling Smørgrav 10418ed2b524SDag-Erling Smørgrav ret = go(cfgfile, svr, quiet, argc, argv); 1042b7579f77SDag-Erling Smørgrav 1043b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK 1044b7579f77SDag-Erling Smørgrav WSACleanup(); 1045b7579f77SDag-Erling Smørgrav #endif 1046b7579f77SDag-Erling Smørgrav checklock_stop(); 1047b7579f77SDag-Erling Smørgrav return ret; 1048b7579f77SDag-Erling Smørgrav } 1049