1 /* 2 * smallapp/unbound-control.c - remote control utility for unbound. 3 * 4 * Copyright (c) 2008, NLnet Labs. All rights reserved. 5 * 6 * This software is open source. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * Neither the name of the NLNET LABS nor the names of its contributors may 20 * be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /** 37 * \file 38 * 39 * The remote control utility contacts the unbound server over ssl and 40 * sends the command, receives the answer, and displays the result 41 * from the commandline. 42 */ 43 44 #include "config.h" 45 #ifdef HAVE_GETOPT_H 46 #include <getopt.h> 47 #endif 48 #ifdef HAVE_OPENSSL_SSL_H 49 #include <openssl/ssl.h> 50 #endif 51 #ifdef HAVE_OPENSSL_ERR_H 52 #include <openssl/err.h> 53 #endif 54 #ifdef HAVE_OPENSSL_RAND_H 55 #include <openssl/rand.h> 56 #endif 57 #include "util/log.h" 58 #include "util/config_file.h" 59 #include "util/locks.h" 60 #include "util/net_help.h" 61 #include "util/shm_side/shm_main.h" 62 #include "util/timeval_func.h" 63 #include "daemon/stats.h" 64 #include "sldns/wire2str.h" 65 #include "sldns/pkthdr.h" 66 #include "services/rpz.h" 67 #include "services/listen_dnsport.h" 68 69 #ifdef HAVE_SYS_IPC_H 70 #include "sys/ipc.h" 71 #endif 72 #ifdef HAVE_SYS_SHM_H 73 #include "sys/shm.h" 74 #endif 75 #ifdef HAVE_SYS_UN_H 76 #include <sys/un.h> 77 #endif 78 79 #ifdef HAVE_TARGETCONDITIONALS_H 80 #include <TargetConditionals.h> 81 #endif 82 83 static void usage(void) ATTR_NORETURN; 84 static void ssl_err(const char* s) ATTR_NORETURN; 85 static void ssl_path_err(const char* s, const char *path) ATTR_NORETURN; 86 87 /** timeout to wait for connection over stream, in msec */ 88 #define UNBOUND_CONTROL_CONNECT_TIMEOUT 5000 89 90 /** Give unbound-control usage, and exit (1). */ 91 static void 92 usage(void) 93 { 94 printf("Usage: unbound-control [options] command\n"); 95 printf(" Remote control utility for unbound server.\n"); 96 printf("Options:\n"); 97 printf(" -c file config file, default is %s\n", CONFIGFILE); 98 printf(" -s ip[@port] server address, if omitted config is used.\n"); 99 printf(" -q quiet (don't print anything if it works ok).\n"); 100 printf(" -h show this usage help.\n"); 101 printf("Commands:\n"); 102 printf(" start start server; runs unbound(8)\n"); 103 printf(" stop stops the server\n"); 104 printf(" reload reloads the server\n"); 105 printf(" (this flushes data, stats, requestlist)\n"); 106 printf(" reload_keep_cache reloads the server but tries to\n"); 107 printf(" keep the RRset and message cache\n"); 108 printf(" if (re)configuration allows for it.\n"); 109 printf(" That means the caches sizes and\n"); 110 printf(" the number of threads must not\n"); 111 printf(" change between reloads.\n"); 112 printf(" fast_reload [+dpv] reloads the server but only briefly stops\n"); 113 printf(" server processing, keeps cache, and changes\n"); 114 printf(" most options; check unbound-control(8).\n"); 115 printf(" +d drops running queries to keep consistency\n"); 116 printf(" on changed options while reloading.\n"); 117 printf(" +p does not pause threads for even faster\n"); 118 printf(" reload but less options are supported\n"); 119 printf(" ; check unbound-control(8).\n"); 120 printf(" +v verbose output, it will include duration needed.\n"); 121 printf(" +vv more verbose output, it will include memory needed.\n"); 122 printf(" stats print statistics\n"); 123 printf(" stats_noreset peek at statistics\n"); 124 #ifdef HAVE_SHMGET 125 printf(" stats_shm print statistics using shm\n"); 126 #endif 127 printf(" status display status of server\n"); 128 printf(" verbosity <number> change logging detail\n"); 129 printf(" log_reopen close and open the logfile\n"); 130 printf(" local_zone <name> <type> add new local zone\n"); 131 printf(" local_zone_remove <name> remove local zone and its contents\n"); 132 printf(" local_data <RR data...> add local data, for example\n"); 133 printf(" local_data www.example.com A 192.0.2.1\n"); 134 printf(" local_data_remove <name> remove local RR data from name\n"); 135 printf(" local_zones,\n"); 136 printf(" local_zones_remove,\n"); 137 printf(" local_datas,\n"); 138 printf(" local_datas_remove same, but read list from stdin\n"); 139 printf(" (one entry per line).\n"); 140 printf(" dump_cache print cache to stdout\n"); 141 printf(" (not supported in remote unbounds in\n"); 142 printf(" multi-process operation)\n"); 143 printf(" load_cache load cache from stdin\n"); 144 printf(" (not supported in remote unbounds in\n"); 145 printf(" multi-process operation)\n"); 146 printf(" cache_lookup [+t] <names> print rrsets and msgs at or under the names\n"); 147 printf(" +t allow tld and root names.\n"); 148 printf(" lookup <name> print nameservers for name\n"); 149 printf(" flush [+c] <name> flushes common types for name from cache\n"); 150 printf(" types: A, AAAA, MX, PTR, NS,\n"); 151 printf(" SOA, CNAME, DNAME, SRV, NAPTR\n"); 152 printf(" flush_type [+c] <name> <type> flush name, type from cache\n"); 153 printf(" +c remove from cachedb too\n"); 154 printf(" flush_zone [+c] <name> flush everything at or under name\n"); 155 printf(" from rr and dnssec caches\n"); 156 printf(" flush_bogus [+c] flush all bogus data\n"); 157 printf(" flush_negative [+c] flush all negative data\n"); 158 printf(" flush_stats flush statistics, make zero\n"); 159 printf(" flush_requestlist drop queries that are worked on\n"); 160 printf(" dump_requestlist show what is worked on by first thread\n"); 161 printf(" flush_infra [all | ip] remove ping, edns for one IP or all\n"); 162 printf(" dump_infra show ping and edns entries\n"); 163 printf(" set_option opt: val set option to value, no reload\n"); 164 printf(" get_option opt get option value\n"); 165 printf(" list_stubs list stub-zones and root hints in use\n"); 166 printf(" list_forwards list forward-zones in use\n"); 167 printf(" list_insecure list domain-insecure zones\n"); 168 printf(" list_local_zones list local-zones in use\n"); 169 printf(" list_local_data list local-data RRs in use\n"); 170 printf(" insecure_add zone add domain-insecure zone\n"); 171 printf(" insecure_remove zone remove domain-insecure zone\n"); 172 printf(" forward_add [+it] zone addr.. add forward-zone with servers\n"); 173 printf(" forward_remove [+i] zone remove forward zone\n"); 174 printf(" stub_add [+ipt] zone addr.. add stub-zone with servers\n"); 175 printf(" stub_remove [+i] zone remove stub zone\n"); 176 printf(" +i also do dnssec insecure point\n"); 177 printf(" +p set stub to use priming\n"); 178 printf(" +t set to use tls upstream\n"); 179 printf(" forward [off | addr ...] without arg show forward setup\n"); 180 printf(" or off to turn off root forwarding\n"); 181 printf(" or give list of ip addresses\n"); 182 printf(" ratelimit_list [+a] list ratelimited domains\n"); 183 printf(" ip_ratelimit_list [+a] list ratelimited ip addresses\n"); 184 printf(" +a list all, also not ratelimited\n"); 185 printf(" list_auth_zones list auth zones (includes RPZ zones)\n"); 186 printf(" auth_zone_reload zone reload auth zone (or RPZ zone) from zonefile\n"); 187 printf(" auth_zone_transfer zone transfer auth zone (or RPZ zone) from master\n"); 188 printf(" view_list_local_zones view list local-zones in view\n"); 189 printf(" view_list_local_data view list local-data RRs in view\n"); 190 printf(" view_local_zone view name type add local-zone in view\n"); 191 printf(" view_local_zone_remove view name remove local-zone in view\n"); 192 printf(" view_local_data view RR... add local-data in view\n"); 193 printf(" view_local_datas view add list of local-data to view\n"); 194 printf(" one entry per line read from stdin\n"); 195 printf(" view_local_data_remove view name remove local-data in view\n"); 196 printf(" view_local_datas_remove view remove list of local-data from view\n"); 197 printf(" one entry per line read from stdin\n"); 198 printf(" rpz_enable zone Enable the RPZ zone if it had previously\n"); 199 printf(" been disabled\n"); 200 printf(" rpz_disable zone Disable the RPZ zone\n"); 201 printf(" add_cookie_secret <secret> add (or replace) a new cookie secret <secret>\n"); 202 printf(" drop_cookie_secret drop a staging cookie secret\n"); 203 printf(" activate_cookie_secret make a staging cookie secret active\n"); 204 printf(" print_cookie_secrets show all cookie secrets with their status\n"); 205 printf("Version %s\n", PACKAGE_VERSION); 206 printf("BSD licensed, see LICENSE in source package for details.\n"); 207 printf("Report bugs to %s\n", PACKAGE_BUGREPORT); 208 exit(1); 209 } 210 211 #ifdef HAVE_SHMGET 212 /** what to put on statistics lines between var and value, ": " or "=" */ 213 #define SQ "=" 214 /** print unsigned long stats value */ 215 #define PR_UL_NM(str, var) printf("%s."str SQ"%lu\n", nm, (unsigned long)(var)); 216 #define PR_UL(str, var) printf(str SQ"%lu\n", (unsigned long)(var)); 217 #define PR_UL_SUB(str, nm, var) printf(str".%s"SQ"%lu\n", nm, (unsigned long)(var)); 218 #define PR_TIMEVAL(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 219 (long long)var.tv_sec, (int)var.tv_usec); 220 #define PR_STATSTIME(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \ 221 (long long)var ## _sec, (int)var ## _usec); 222 #define PR_LL(str, var) printf(str SQ ARG_LL"d\n", (long long)(var)); 223 224 /** print stat block */ 225 static void pr_stats(const char* nm, struct ub_stats_info* s) 226 { 227 struct timeval sumwait, avg; 228 PR_UL_NM("num.queries", s->svr.num_queries); 229 PR_UL_NM("num.queries_ip_ratelimited", 230 s->svr.num_queries_ip_ratelimited); 231 PR_UL_NM("num.queries_cookie_valid", 232 s->svr.num_queries_cookie_valid); 233 PR_UL_NM("num.queries_cookie_client", 234 s->svr.num_queries_cookie_client); 235 PR_UL_NM("num.queries_cookie_invalid", 236 s->svr.num_queries_cookie_invalid); 237 PR_UL_NM("num.queries_discard_timeout", 238 s->svr.num_queries_discard_timeout); 239 PR_UL_NM("num.queries_replyaddr_limit", 240 s->svr.num_queries_replyaddr_limit); 241 PR_UL_NM("num.queries_wait_limit", s->svr.num_queries_wait_limit); 242 PR_UL_NM("num.cachehits", 243 s->svr.num_queries - s->svr.num_queries_missed_cache); 244 PR_UL_NM("num.cachemiss", s->svr.num_queries_missed_cache); 245 PR_UL_NM("num.prefetch", s->svr.num_queries_prefetch); 246 PR_UL_NM("num.queries_timed_out", s->svr.num_queries_timed_out); 247 PR_UL_NM("query.queue_time_us.max", s->svr.max_query_time_us); 248 PR_UL_NM("num.expired", s->svr.ans_expired); 249 PR_UL_NM("num.recursivereplies", s->mesh_replies_sent); 250 #ifdef USE_DNSCRYPT 251 PR_UL_NM("num.dnscrypt.crypted", s->svr.num_query_dnscrypt_crypted); 252 PR_UL_NM("num.dnscrypt.cert", s->svr.num_query_dnscrypt_cert); 253 PR_UL_NM("num.dnscrypt.cleartext", s->svr.num_query_dnscrypt_cleartext); 254 PR_UL_NM("num.dnscrypt.malformed", 255 s->svr.num_query_dnscrypt_crypted_malformed); 256 #endif /* USE_DNSCRYPT */ 257 PR_UL_NM("num.dns_error_reports", s->svr.num_dns_error_reports); 258 printf("%s.requestlist.avg"SQ"%g\n", nm, 259 (s->svr.num_queries_missed_cache+s->svr.num_queries_prefetch)? 260 (double)s->svr.sum_query_list_size/ 261 (double)(s->svr.num_queries_missed_cache+ 262 s->svr.num_queries_prefetch) : 0.0); 263 PR_UL_NM("requestlist.max", s->svr.max_query_list_size); 264 PR_UL_NM("requestlist.overwritten", s->mesh_jostled); 265 PR_UL_NM("requestlist.exceeded", s->mesh_dropped); 266 PR_UL_NM("requestlist.current.all", s->mesh_num_states); 267 PR_UL_NM("requestlist.current.user", s->mesh_num_reply_states); 268 PR_UL_NM("requestlist.current.replies", s->mesh_num_reply_addrs); 269 #ifndef S_SPLINT_S 270 sumwait.tv_sec = s->mesh_replies_sum_wait_sec; 271 sumwait.tv_usec = s->mesh_replies_sum_wait_usec; 272 #endif 273 timeval_divide(&avg, &sumwait, s->mesh_replies_sent); 274 printf("%s.", nm); 275 PR_TIMEVAL("recursion.time.avg", avg); 276 printf("%s.recursion.time.median"SQ"%g\n", nm, s->mesh_time_median); 277 PR_UL_NM("tcpusage", s->svr.tcp_accept_usage); 278 } 279 280 /** print uptime */ 281 static void print_uptime(struct ub_shm_stat_info* shm_stat) 282 { 283 PR_STATSTIME("time.now", shm_stat->time.now); 284 PR_STATSTIME("time.up", shm_stat->time.up); 285 PR_STATSTIME("time.elapsed", shm_stat->time.elapsed); 286 } 287 288 /** print memory usage */ 289 static void print_mem(struct ub_shm_stat_info* shm_stat, 290 struct ub_stats_info* s) 291 { 292 PR_LL("mem.cache.rrset", shm_stat->mem.rrset); 293 PR_LL("mem.cache.message", shm_stat->mem.msg); 294 PR_LL("mem.mod.iterator", shm_stat->mem.iter); 295 PR_LL("mem.mod.validator", shm_stat->mem.val); 296 PR_LL("mem.mod.respip", shm_stat->mem.respip); 297 #ifdef CLIENT_SUBNET 298 PR_LL("mem.mod.subnet", shm_stat->mem.subnet); 299 #endif 300 #ifdef USE_IPSECMOD 301 PR_LL("mem.mod.ipsecmod", shm_stat->mem.ipsecmod); 302 #endif 303 #ifdef WITH_DYNLIBMODULE 304 PR_LL("mem.mod.dynlib", shm_stat->mem.dynlib); 305 #endif 306 #ifdef USE_DNSCRYPT 307 PR_LL("mem.cache.dnscrypt_shared_secret", 308 shm_stat->mem.dnscrypt_shared_secret); 309 PR_LL("mem.cache.dnscrypt_nonce", 310 shm_stat->mem.dnscrypt_nonce); 311 #endif 312 PR_LL("mem.streamwait", s->svr.mem_stream_wait); 313 PR_LL("mem.http.query_buffer", s->svr.mem_http2_query_buffer); 314 PR_LL("mem.http.response_buffer", s->svr.mem_http2_response_buffer); 315 #ifdef HAVE_NGTCP2 316 PR_LL("mem.quic", s->svr.mem_quic); 317 #endif 318 } 319 320 /** print histogram */ 321 static void print_hist(struct ub_stats_info* s) 322 { 323 struct timehist* hist; 324 size_t i; 325 hist = timehist_setup(); 326 if(!hist) 327 fatal_exit("out of memory"); 328 timehist_import(hist, s->svr.hist, NUM_BUCKETS_HIST); 329 for(i=0; i<hist->num; i++) { 330 printf("histogram.%6.6d.%6.6d.to.%6.6d.%6.6d=%lu\n", 331 (int)hist->buckets[i].lower.tv_sec, 332 (int)hist->buckets[i].lower.tv_usec, 333 (int)hist->buckets[i].upper.tv_sec, 334 (int)hist->buckets[i].upper.tv_usec, 335 (unsigned long)hist->buckets[i].count); 336 } 337 timehist_delete(hist); 338 } 339 340 /** print extended */ 341 static void print_extended(struct ub_stats_info* s, int inhibit_zero) 342 { 343 int i; 344 char nm[16]; 345 346 /* TYPE */ 347 for(i=0; i<UB_STATS_QTYPE_NUM; i++) { 348 if(inhibit_zero && s->svr.qtype[i] == 0) 349 continue; 350 sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm)); 351 PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]); 352 } 353 if(!inhibit_zero || s->svr.qtype_big) { 354 PR_UL("num.query.type.other", s->svr.qtype_big); 355 } 356 357 /* CLASS */ 358 for(i=0; i<UB_STATS_QCLASS_NUM; i++) { 359 if(inhibit_zero && s->svr.qclass[i] == 0) 360 continue; 361 sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm)); 362 PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]); 363 } 364 if(!inhibit_zero || s->svr.qclass_big) { 365 PR_UL("num.query.class.other", s->svr.qclass_big); 366 } 367 368 /* OPCODE */ 369 for(i=0; i<UB_STATS_OPCODE_NUM; i++) { 370 if(inhibit_zero && s->svr.qopcode[i] == 0) 371 continue; 372 sldns_wire2str_opcode_buf(i, nm, sizeof(nm)); 373 PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]); 374 } 375 376 /* transport */ 377 PR_UL("num.query.tcp", s->svr.qtcp); 378 PR_UL("num.query.tcpout", s->svr.qtcp_outgoing); 379 PR_UL("num.query.udpout", s->svr.qudp_outgoing); 380 PR_UL("num.query.tls", s->svr.qtls); 381 PR_UL("num.query.tls_resume", s->svr.qtls_resume); 382 PR_UL("num.query.ipv6", s->svr.qipv6); 383 PR_UL("num.query.https", s->svr.qhttps); 384 #ifdef HAVE_NGTCP2 385 PR_UL("num.query.quic", s->svr.qquic); 386 #endif 387 388 /* flags */ 389 PR_UL("num.query.flags.QR", s->svr.qbit_QR); 390 PR_UL("num.query.flags.AA", s->svr.qbit_AA); 391 PR_UL("num.query.flags.TC", s->svr.qbit_TC); 392 PR_UL("num.query.flags.RD", s->svr.qbit_RD); 393 PR_UL("num.query.flags.RA", s->svr.qbit_RA); 394 PR_UL("num.query.flags.Z", s->svr.qbit_Z); 395 PR_UL("num.query.flags.AD", s->svr.qbit_AD); 396 PR_UL("num.query.flags.CD", s->svr.qbit_CD); 397 PR_UL("num.query.edns.present", s->svr.qEDNS); 398 PR_UL("num.query.edns.DO", s->svr.qEDNS_DO); 399 400 /* RCODE */ 401 for(i=0; i<UB_STATS_RCODE_NUM; i++) { 402 /* Always include RCODEs 0-5 */ 403 if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0) 404 continue; 405 sldns_wire2str_rcode_buf(i, nm, sizeof(nm)); 406 PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]); 407 } 408 if(!inhibit_zero || s->svr.ans_rcode_nodata) { 409 PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata); 410 } 411 /* iteration */ 412 PR_UL("num.query.ratelimited", s->svr.queries_ratelimited); 413 /* validation */ 414 PR_UL("num.answer.secure", s->svr.ans_secure); 415 PR_UL("num.answer.bogus", s->svr.ans_bogus); 416 PR_UL("num.rrset.bogus", s->svr.rrset_bogus); 417 PR_UL("num.valops", s->svr.val_ops); 418 PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror); 419 PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain); 420 /* threat detection */ 421 PR_UL("unwanted.queries", s->svr.unwanted_queries); 422 PR_UL("unwanted.replies", s->svr.unwanted_replies); 423 /* cache counts */ 424 PR_UL("msg.cache.count", s->svr.msg_cache_count); 425 PR_UL("rrset.cache.count", s->svr.rrset_cache_count); 426 PR_UL("infra.cache.count", s->svr.infra_cache_count); 427 PR_UL("key.cache.count", s->svr.key_cache_count); 428 /* max collisions */ 429 PR_UL("msg.cache.max_collisions", s->svr.msg_cache_max_collisions); 430 PR_UL("rrset.cache.max_collisions", s->svr.rrset_cache_max_collisions); 431 /* applied RPZ actions */ 432 for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) { 433 if(i == RPZ_NO_OVERRIDE_ACTION) 434 continue; 435 if(inhibit_zero && s->svr.rpz_action[i] == 0) 436 continue; 437 PR_UL_SUB("num.rpz.action", rpz_action_to_string(i), s->svr.rpz_action[i]); 438 } 439 #ifdef USE_DNSCRYPT 440 PR_UL("dnscrypt_shared_secret.cache.count", 441 s->svr.shared_secret_cache_count); 442 PR_UL("num.query.dnscrypt.shared_secret.cachemiss", 443 s->svr.num_query_dnscrypt_secret_missed_cache); 444 PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count); 445 PR_UL("num.query.dnscrypt.replay", 446 s->svr.num_query_dnscrypt_replay); 447 #endif /* USE_DNSCRYPT */ 448 PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up); 449 PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down); 450 #ifdef CLIENT_SUBNET 451 PR_UL("num.query.subnet", s->svr.num_query_subnet); 452 PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache); 453 #endif 454 #ifdef USE_CACHEDB 455 PR_UL("num.query.cachedb", s->svr.num_query_cachedb); 456 #endif 457 } 458 459 /** print statistics out of memory structures */ 460 static void do_stats_shm(struct config_file* cfg, struct ub_stats_info* stats, 461 struct ub_shm_stat_info* shm_stat) 462 { 463 int i; 464 char nm[32]; 465 for(i=0; i<cfg->num_threads; i++) { 466 snprintf(nm, sizeof(nm), "thread%d", i); 467 pr_stats(nm, &stats[i+1]); 468 } 469 pr_stats("total", &stats[0]); 470 print_uptime(shm_stat); 471 if(cfg->stat_extended) { 472 print_mem(shm_stat, &stats[0]); 473 print_hist(stats); 474 print_extended(stats, cfg->stat_inhibit_zero); 475 } 476 } 477 #endif /* HAVE_SHMGET */ 478 479 /** print statistics from shm memory segment */ 480 static void print_stats_shm(const char* cfgfile, int quiet) 481 { 482 #ifdef HAVE_SHMGET 483 struct config_file* cfg; 484 struct ub_stats_info* stats; 485 struct ub_shm_stat_info* shm_stat; 486 int id_ctl, id_arr; 487 /* read config */ 488 if(!(cfg = config_create())) 489 fatal_exit("out of memory"); 490 if(!config_read(cfg, cfgfile, NULL)) 491 fatal_exit("could not read config file"); 492 /* get shm segments */ 493 id_ctl = shmget(cfg->shm_key, sizeof(int), SHM_R); 494 if(id_ctl == -1) { 495 fatal_exit("shmget(%d): %s", cfg->shm_key, strerror(errno)); 496 } 497 id_arr = shmget(cfg->shm_key+1, sizeof(int), SHM_R); 498 if(id_arr == -1) { 499 fatal_exit("shmget(%d): %s", cfg->shm_key+1, strerror(errno)); 500 } 501 shm_stat = (struct ub_shm_stat_info*)shmat(id_ctl, NULL, SHM_RDONLY); 502 if(shm_stat == (void*)-1) { 503 fatal_exit("shmat(%d): %s", id_ctl, strerror(errno)); 504 } 505 stats = (struct ub_stats_info*)shmat(id_arr, NULL, SHM_RDONLY); 506 if(stats == (void*)-1) { 507 fatal_exit("shmat(%d): %s", id_arr, strerror(errno)); 508 } 509 510 511 if(!quiet) { 512 /* print the stats */ 513 do_stats_shm(cfg, stats, shm_stat); 514 } 515 516 /* shutdown */ 517 shmdt(shm_stat); 518 shmdt(stats); 519 config_delete(cfg); 520 #else 521 (void)cfgfile; 522 (void)quiet; 523 #endif /* HAVE_SHMGET */ 524 } 525 526 /** exit with ssl error */ 527 static void ssl_err(const char* s) 528 { 529 fprintf(stderr, "error: %s\n", s); 530 ERR_print_errors_fp(stderr); 531 exit(1); 532 } 533 534 /** exit with ssl error related to a file path */ 535 static void ssl_path_err(const char* s, const char *path) 536 { 537 unsigned long err; 538 err = ERR_peek_error(); 539 if(ERR_GET_LIB(err) == ERR_LIB_SYS) { 540 fprintf(stderr, "error: %s\n%s: %s\n", 541 s, path, ERR_reason_error_string(err)); 542 exit(1); 543 } else { 544 ssl_err(s); 545 } 546 } 547 548 /** setup SSL context */ 549 static SSL_CTX* 550 setup_ctx(struct config_file* cfg) 551 { 552 char* s_cert=NULL, *c_key=NULL, *c_cert=NULL; 553 SSL_CTX* ctx; 554 555 if(!(options_remote_is_address(cfg) && cfg->control_use_cert)) 556 return NULL; 557 s_cert = fname_after_chroot(cfg->server_cert_file, cfg, 1); 558 c_key = fname_after_chroot(cfg->control_key_file, cfg, 1); 559 c_cert = fname_after_chroot(cfg->control_cert_file, cfg, 1); 560 if(!s_cert || !c_key || !c_cert) 561 fatal_exit("out of memory"); 562 ctx = SSL_CTX_new(SSLv23_client_method()); 563 if(!ctx) 564 ssl_err("could not allocate SSL_CTX pointer"); 565 #if SSL_OP_NO_SSLv2 != 0 566 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2) 567 != SSL_OP_NO_SSLv2) 568 ssl_err("could not set SSL_OP_NO_SSLv2"); 569 #endif 570 if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3) 571 != SSL_OP_NO_SSLv3) 572 ssl_err("could not set SSL_OP_NO_SSLv3"); 573 #if defined(SSL_OP_NO_RENEGOTIATION) 574 /* disable client renegotiation */ 575 if((SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION) & 576 SSL_OP_NO_RENEGOTIATION) != SSL_OP_NO_RENEGOTIATION) 577 ssl_err("could not set SSL_OP_NO_RENEGOTIATION"); 578 #endif 579 if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert)) 580 ssl_path_err("Error setting up SSL_CTX client cert", c_cert); 581 if(!SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM)) 582 ssl_path_err("Error setting up SSL_CTX client key", c_key); 583 if(!SSL_CTX_check_private_key(ctx)) 584 ssl_err("Error setting up SSL_CTX client key"); 585 if(SSL_CTX_load_verify_locations(ctx, s_cert, NULL) != 1) 586 ssl_path_err("Error setting up SSL_CTX verify, server cert", 587 s_cert); 588 SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL); 589 590 free(s_cert); 591 free(c_key); 592 free(c_cert); 593 return ctx; 594 } 595 596 /** check connect error */ 597 static void 598 checkconnecterr(int err, const char* svr, struct sockaddr_storage* addr, 599 socklen_t addrlen, int statuscmd, int useport) 600 { 601 #ifndef USE_WINSOCK 602 if(!useport) log_err("connect: %s for %s", strerror(err), svr); 603 else log_err_addr("connect", strerror(err), addr, addrlen); 604 if(err == ECONNREFUSED && statuscmd) { 605 printf("unbound is stopped\n"); 606 exit(3); 607 } 608 #else 609 int wsaerr = err; 610 if(!useport) log_err("connect: %s for %s", wsa_strerror(wsaerr), svr); 611 else log_err_addr("connect", wsa_strerror(wsaerr), addr, addrlen); 612 if(wsaerr == WSAECONNREFUSED && statuscmd) { 613 printf("unbound is stopped\n"); 614 exit(3); 615 } 616 #endif 617 exit(1); 618 } 619 620 /** contact the server with TCP connect */ 621 static int 622 contact_server(const char* svr, struct config_file* cfg, int statuscmd) 623 { 624 struct sockaddr_storage addr; 625 socklen_t addrlen; 626 int addrfamily = 0, proto = IPPROTO_TCP; 627 int fd, useport = 1; 628 char** rcif = NULL; 629 int num_rcif = 0; 630 /* use svr or the first config entry */ 631 if(!svr) { 632 if(cfg->control_ifs.first) { 633 struct sockaddr_storage addr2; 634 socklen_t addrlen2; 635 if(extstrtoaddr(cfg->control_ifs.first->str, &addr2, 636 &addrlen2, UNBOUND_DNS_PORT)) { 637 svr = cfg->control_ifs.first->str; 638 } else { 639 if(!resolve_interface_names(NULL, 0, 640 cfg->control_ifs.first, &rcif, 641 &num_rcif)) { 642 fatal_exit("could not resolve interface names"); 643 } 644 if(rcif == NULL || num_rcif == 0) { 645 fatal_exit("no control interfaces"); 646 } 647 svr = rcif[0]; 648 } 649 } else if(cfg->do_ip4) { 650 svr = "127.0.0.1"; 651 } else { 652 svr = "::1"; 653 } 654 /* config 0 addr (everything), means ask localhost */ 655 if(strcmp(svr, "0.0.0.0") == 0) 656 svr = "127.0.0.1"; 657 else if(strcmp(svr, "::0") == 0 || 658 strcmp(svr, "0::0") == 0 || 659 strcmp(svr, "0::") == 0 || 660 strcmp(svr, "::") == 0) 661 svr = "::1"; 662 } 663 if(strchr(svr, '@')) { 664 if(!extstrtoaddr(svr, &addr, &addrlen, UNBOUND_DNS_PORT)) 665 fatal_exit("could not parse IP@port: %s", svr); 666 #ifdef HAVE_SYS_UN_H 667 } else if(svr[0] == '/') { 668 struct sockaddr_un* usock = (struct sockaddr_un *) &addr; 669 usock->sun_family = AF_LOCAL; 670 #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN 671 usock->sun_len = (unsigned)sizeof(usock); 672 #endif 673 (void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path)); 674 addrlen = (socklen_t)sizeof(struct sockaddr_un); 675 addrfamily = AF_LOCAL; 676 useport = 0; 677 proto = 0; 678 #endif 679 } else { 680 if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen)) 681 fatal_exit("could not parse IP: %s", svr); 682 } 683 684 if(addrfamily == 0) 685 addrfamily = addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET; 686 fd = socket(addrfamily, SOCK_STREAM, proto); 687 if(fd == -1) { 688 fatal_exit("socket: %s", sock_strerror(errno)); 689 } 690 fd_set_nonblock(fd); 691 if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) { 692 #ifndef USE_WINSOCK 693 #ifdef EINPROGRESS 694 if(errno != EINPROGRESS) { 695 checkconnecterr(errno, svr, &addr, 696 addrlen, statuscmd, useport); 697 } 698 #endif 699 #else 700 if(WSAGetLastError() != WSAEINPROGRESS && 701 WSAGetLastError() != WSAEWOULDBLOCK) { 702 checkconnecterr(WSAGetLastError(), svr, &addr, 703 addrlen, statuscmd, useport); 704 } 705 #endif 706 } 707 while(1) { 708 fd_set rset, wset, eset; 709 struct timeval tv; 710 FD_ZERO(&rset); 711 FD_SET(FD_SET_T fd, &rset); 712 FD_ZERO(&wset); 713 FD_SET(FD_SET_T fd, &wset); 714 FD_ZERO(&eset); 715 FD_SET(FD_SET_T fd, &eset); 716 tv.tv_sec = UNBOUND_CONTROL_CONNECT_TIMEOUT/1000; 717 tv.tv_usec= (UNBOUND_CONTROL_CONNECT_TIMEOUT%1000)*1000; 718 if(select(fd+1, &rset, &wset, &eset, &tv) == -1) { 719 fatal_exit("select: %s", sock_strerror(errno)); 720 } 721 if(!FD_ISSET(fd, &rset) && !FD_ISSET(fd, &wset) && 722 !FD_ISSET(fd, &eset)) { 723 fatal_exit("timeout: could not connect to server"); 724 } else { 725 /* check nonblocking connect error */ 726 int error = 0; 727 socklen_t len = (socklen_t)sizeof(error); 728 if(getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&error, 729 &len) < 0) { 730 #ifndef USE_WINSOCK 731 error = errno; /* on solaris errno is error */ 732 #else 733 error = WSAGetLastError(); 734 #endif 735 } 736 if(error != 0) { 737 #ifndef USE_WINSOCK 738 #ifdef EINPROGRESS 739 if(error == EINPROGRESS) 740 continue; /* try again later */ 741 #endif 742 #ifdef EWOULDBLOCK 743 if(error == EWOULDBLOCK) 744 continue; /* try again later */ 745 #endif 746 #else 747 if(error == WSAEINPROGRESS) 748 continue; /* try again later */ 749 if(error == WSAEWOULDBLOCK) 750 continue; /* try again later */ 751 #endif 752 checkconnecterr(error, svr, &addr, addrlen, 753 statuscmd, useport); 754 } 755 } 756 break; 757 } 758 fd_set_block(fd); 759 config_del_strarray(rcif, num_rcif); 760 return fd; 761 } 762 763 /** setup SSL on the connection */ 764 static SSL* 765 setup_ssl(SSL_CTX* ctx, int fd) 766 { 767 SSL* ssl; 768 X509* x; 769 int r; 770 771 if(!ctx) return NULL; 772 ssl = SSL_new(ctx); 773 if(!ssl) 774 ssl_err("could not SSL_new"); 775 SSL_set_connect_state(ssl); 776 (void)SSL_set_mode(ssl, (long)SSL_MODE_AUTO_RETRY); 777 if(!SSL_set_fd(ssl, fd)) 778 ssl_err("could not SSL_set_fd"); 779 while(1) { 780 ERR_clear_error(); 781 if( (r=SSL_do_handshake(ssl)) == 1) 782 break; 783 r = SSL_get_error(ssl, r); 784 if(r != SSL_ERROR_WANT_READ && r != SSL_ERROR_WANT_WRITE) 785 ssl_err("SSL handshake failed"); 786 /* wants to be called again */ 787 } 788 789 /* check authenticity of server */ 790 if(SSL_get_verify_result(ssl) != X509_V_OK) 791 ssl_err("SSL verification failed"); 792 #ifdef HAVE_SSL_GET1_PEER_CERTIFICATE 793 x = SSL_get1_peer_certificate(ssl); 794 #else 795 x = SSL_get_peer_certificate(ssl); 796 #endif 797 if(!x) 798 ssl_err("Server presented no peer certificate"); 799 X509_free(x); 800 801 return ssl; 802 } 803 804 /** read from ssl or fd, fatalexit on error, 0 EOF, 1 success */ 805 static int 806 remote_read(SSL* ssl, int fd, char* buf, size_t len) 807 { 808 if(ssl) { 809 int r; 810 ERR_clear_error(); 811 if((r = SSL_read(ssl, buf, (int)len-1)) <= 0) { 812 if(SSL_get_error(ssl, r) == SSL_ERROR_ZERO_RETURN) { 813 /* EOF */ 814 return 0; 815 } 816 ssl_err("could not SSL_read"); 817 } 818 buf[r] = 0; 819 } else { 820 ssize_t rr = recv(fd, buf, len-1, 0); 821 if(rr <= 0) { 822 if(rr == 0) { 823 /* EOF */ 824 return 0; 825 } 826 fatal_exit("could not recv: %s", sock_strerror(errno)); 827 } 828 buf[rr] = 0; 829 } 830 return 1; 831 } 832 833 /** write to ssl or fd, fatalexit on error */ 834 static void 835 remote_write(SSL* ssl, int fd, const char* buf, size_t len) 836 { 837 if(ssl) { 838 if(SSL_write(ssl, buf, (int)len) <= 0) 839 ssl_err("could not SSL_write"); 840 } else { 841 if(send(fd, buf, len, 0) < (ssize_t)len) { 842 fatal_exit("could not send: %s", sock_strerror(errno)); 843 } 844 } 845 } 846 847 /** check args, to see if too many args. Because when a file is sent it 848 * would wait for the terminal, and we can check for too many arguments, 849 * eg. user put arguments on the commandline. */ 850 static void 851 check_args_for_listcmd(int argc, char* argv[]) 852 { 853 if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 854 strcmp(argv[0], "local_zones_remove") == 0 || 855 strcmp(argv[0], "local_datas") == 0 || 856 strcmp(argv[0], "local_datas_remove") == 0) && 857 argc >= 2) { 858 fatal_exit("too many arguments for command '%s', " 859 "content is piped in from stdin", argv[0]); 860 } 861 if(argc >= 1 && (strcmp(argv[0], "view_local_datas") == 0 || 862 strcmp(argv[0], "view_local_datas_remove") == 0) && 863 argc >= 3) { 864 fatal_exit("too many arguments for command '%s', " 865 "content is piped in from stdin", argv[0]); 866 } 867 } 868 869 /** send stdin to server */ 870 static void 871 send_file(SSL* ssl, int fd, FILE* in, char* buf, size_t sz) 872 { 873 while(fgets(buf, (int)sz, in)) { 874 remote_write(ssl, fd, buf, strlen(buf)); 875 } 876 } 877 878 /** send end-of-file marker to server */ 879 static void 880 send_eof(SSL* ssl, int fd) 881 { 882 char e[] = {0x04, 0x0a}; 883 remote_write(ssl, fd, e, sizeof(e)); 884 } 885 886 /** send command and display result */ 887 static int 888 go_cmd(SSL* ssl, int fd, int quiet, int argc, char* argv[]) 889 { 890 char pre[10]; 891 const char* space=" "; 892 const char* newline="\n"; 893 int was_error = 0, first_line = 1; 894 int i; 895 char buf[1024]; 896 snprintf(pre, sizeof(pre), "UBCT%d ", UNBOUND_CONTROL_VERSION); 897 remote_write(ssl, fd, pre, strlen(pre)); 898 for(i=0; i<argc; i++) { 899 remote_write(ssl, fd, space, strlen(space)); 900 remote_write(ssl, fd, argv[i], strlen(argv[i])); 901 } 902 remote_write(ssl, fd, newline, strlen(newline)); 903 904 if(argc == 1 && strcmp(argv[0], "load_cache") == 0) { 905 send_file(ssl, fd, stdin, buf, sizeof(buf)); 906 } 907 else if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 || 908 strcmp(argv[0], "local_zones_remove") == 0 || 909 strcmp(argv[0], "local_datas") == 0 || 910 strcmp(argv[0], "view_local_datas") == 0 || 911 strcmp(argv[0], "local_datas_remove") == 0 || 912 strcmp(argv[0], "view_local_datas_remove") == 0)) { 913 send_file(ssl, fd, stdin, buf, sizeof(buf)); 914 send_eof(ssl, fd); 915 } 916 917 while(1) { 918 if(remote_read(ssl, fd, buf, sizeof(buf)) == 0) { 919 break; /* EOF */ 920 } 921 if(first_line && strncmp(buf, "error", 5) == 0) { 922 printf("%s", buf); 923 was_error = 1; 924 } else if(!quiet) { 925 printf("%s", buf); 926 } 927 928 first_line = 0; 929 } 930 return was_error; 931 } 932 933 /** go ahead and read config, contact server and perform command and display */ 934 static int 935 go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[]) 936 { 937 struct config_file* cfg; 938 int fd, ret; 939 SSL_CTX* ctx; 940 SSL* ssl; 941 942 /* read config */ 943 if(!(cfg = config_create())) 944 fatal_exit("out of memory"); 945 if(!config_read(cfg, cfgfile, NULL)) 946 fatal_exit("could not read config file"); 947 if(!cfg->remote_control_enable) 948 log_warn("control-enable is 'no' in the config file."); 949 #ifdef UB_ON_WINDOWS 950 w_config_adjust_directory(cfg); 951 #endif 952 ctx = setup_ctx(cfg); 953 954 /* contact server */ 955 fd = contact_server(svr, cfg, argc>0&&strcmp(argv[0],"status")==0); 956 ssl = setup_ssl(ctx, fd); 957 958 /* send command */ 959 ret = go_cmd(ssl, fd, quiet, argc, argv); 960 961 if(ssl) SSL_free(ssl); 962 sock_close(fd); 963 if(ctx) SSL_CTX_free(ctx); 964 config_delete(cfg); 965 return ret; 966 } 967 968 /** getopt global, in case header files fail to declare it. */ 969 extern int optind; 970 /** getopt global, in case header files fail to declare it. */ 971 extern char* optarg; 972 973 /** Main routine for unbound-control */ 974 int main(int argc, char* argv[]) 975 { 976 int c, ret; 977 int quiet = 0; 978 const char* cfgfile = CONFIGFILE; 979 char* svr = NULL; 980 #ifdef USE_WINSOCK 981 int r; 982 WSADATA wsa_data; 983 #endif 984 #ifdef USE_THREAD_DEBUG 985 /* stop the file output from unbound-control, overwrites the servers */ 986 extern int check_locking_order; 987 check_locking_order = 0; 988 #endif /* USE_THREAD_DEBUG */ 989 checklock_start(); 990 log_ident_set("unbound-control"); 991 log_init(NULL, 0, NULL); 992 #ifdef USE_WINSOCK 993 /* use registry config file in preference to compiletime location */ 994 if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile"))) 995 cfgfile = CONFIGFILE; 996 #endif 997 /* parse the options */ 998 while( (c=getopt(argc, argv, "c:s:qh")) != -1) { 999 switch(c) { 1000 case 'c': 1001 cfgfile = optarg; 1002 break; 1003 case 's': 1004 svr = optarg; 1005 break; 1006 case 'q': 1007 quiet = 1; 1008 break; 1009 case '?': 1010 case 'h': 1011 default: 1012 usage(); 1013 } 1014 } 1015 argc -= optind; 1016 argv += optind; 1017 if(argc == 0) 1018 usage(); 1019 if(argc >= 1 && strcmp(argv[0], "start")==0) { 1020 #if (defined(TARGET_OS_TV) && TARGET_OS_TV) || (defined(TARGET_OS_WATCH) && TARGET_OS_WATCH) 1021 fatal_exit("could not exec unbound: %s", 1022 strerror(ENOSYS)); 1023 #else 1024 if(execlp("unbound", "unbound", "-c", cfgfile, 1025 (char*)NULL) < 0) { 1026 fatal_exit("could not exec unbound: %s", 1027 strerror(errno)); 1028 } 1029 #endif 1030 } 1031 if(argc >= 1 && strcmp(argv[0], "stats_shm")==0) { 1032 print_stats_shm(cfgfile, quiet); 1033 return 0; 1034 } 1035 check_args_for_listcmd(argc, argv); 1036 1037 #ifdef USE_WINSOCK 1038 if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0) 1039 fatal_exit("WSAStartup failed: %s", wsa_strerror(r)); 1040 #endif 1041 1042 #ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS 1043 ERR_load_crypto_strings(); 1044 #endif 1045 #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 1046 ERR_load_SSL_strings(); 1047 #endif 1048 #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO) 1049 # ifndef S_SPLINT_S 1050 OpenSSL_add_all_algorithms(); 1051 # endif 1052 #else 1053 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS 1054 | OPENSSL_INIT_ADD_ALL_DIGESTS 1055 | OPENSSL_INIT_LOAD_CRYPTO_STRINGS 1056 # if defined(OPENSSL_INIT_NO_LOAD_CONFIG) && defined(UB_ON_WINDOWS) 1057 | OPENSSL_INIT_NO_LOAD_CONFIG 1058 # endif 1059 , NULL); 1060 #endif 1061 #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) 1062 (void)SSL_library_init(); 1063 #else 1064 (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS 1065 # if defined(OPENSSL_INIT_NO_LOAD_CONFIG) && defined(UB_ON_WINDOWS) 1066 | OPENSSL_INIT_NO_LOAD_CONFIG 1067 # endif 1068 , NULL); 1069 #endif 1070 1071 if(!RAND_status()) { 1072 /* try to seed it */ 1073 unsigned char buf[256]; 1074 unsigned int seed=(unsigned)time(NULL) ^ (unsigned)getpid(); 1075 unsigned int v = seed; 1076 size_t i; 1077 for(i=0; i<256/sizeof(v); i++) { 1078 memmove(buf+i*sizeof(v), &v, sizeof(v)); 1079 v = v*seed + (unsigned int)i; 1080 } 1081 RAND_seed(buf, 256); 1082 log_warn("no entropy, seeding openssl PRNG with time\n"); 1083 } 1084 1085 ret = go(cfgfile, svr, quiet, argc, argv); 1086 1087 #ifdef USE_WINSOCK 1088 WSACleanup(); 1089 #endif 1090 checklock_stop(); 1091 return ret; 1092 } 1093
Indexes created Sun Jun 28 00:24:58 UTC 2026