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"
628f76bb7dSCy Schubert #include "util/timeval_func.h"
6365b390aaSDag-Erling Smørgrav #include "daemon/stats.h"
6465b390aaSDag-Erling Smørgrav #include "sldns/wire2str.h"
6565b390aaSDag-Erling Smørgrav #include "sldns/pkthdr.h"
66091e9e46SCy Schubert #include "services/rpz.h"
675469a995SCy Schubert #include "services/listen_dnsport.h"
68b7579f77SDag-Erling Smørgrav
6965b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_IPC_H
7065b390aaSDag-Erling Smørgrav #include "sys/ipc.h"
7165b390aaSDag-Erling Smørgrav #endif
7265b390aaSDag-Erling Smørgrav #ifdef HAVE_SYS_SHM_H
7365b390aaSDag-Erling Smørgrav #include "sys/shm.h"
7465b390aaSDag-Erling Smørgrav #endif
7531099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H
7631099b50SDag-Erling Smørgrav #include <sys/un.h>
7731099b50SDag-Erling Smørgrav #endif
7831099b50SDag-Erling Smørgrav
7925039b37SCy Schubert #ifdef HAVE_TARGETCONDITIONALS_H
8025039b37SCy Schubert #include <TargetConditionals.h>
8125039b37SCy Schubert #endif
8225039b37SCy Schubert
83a755b6f6SDag-Erling Smørgrav static void usage(void) ATTR_NORETURN;
84a755b6f6SDag-Erling Smørgrav static void ssl_err(const char* s) ATTR_NORETURN;
85a755b6f6SDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path) ATTR_NORETURN;
86a755b6f6SDag-Erling Smørgrav
87f44e67d1SCy Schubert /** timeout to wait for connection over stream, in msec */
88f44e67d1SCy Schubert #define UNBOUND_CONTROL_CONNECT_TIMEOUT 5000
89f44e67d1SCy Schubert
90b7579f77SDag-Erling Smørgrav /** Give unbound-control usage, and exit (1). */
91b7579f77SDag-Erling Smørgrav static void
usage(void)92b5663de9SDag-Erling Smørgrav usage(void)
93b7579f77SDag-Erling Smørgrav {
94b70d78d6SDag-Erling Smørgrav printf("Usage: local-unbound-control [options] command\n");
95b7579f77SDag-Erling Smørgrav printf(" Remote control utility for unbound server.\n");
96b7579f77SDag-Erling Smørgrav printf("Options:\n");
97b7579f77SDag-Erling Smørgrav printf(" -c file config file, default is %s\n", CONFIGFILE);
98b7579f77SDag-Erling Smørgrav printf(" -s ip[@port] server address, if omitted config is used.\n");
998ed2b524SDag-Erling Smørgrav printf(" -q quiet (don't print anything if it works ok).\n");
100b7579f77SDag-Erling Smørgrav printf(" -h show this usage help.\n");
101b7579f77SDag-Erling Smørgrav printf("Commands:\n");
102b7579f77SDag-Erling Smørgrav printf(" start start server; runs unbound(8)\n");
103b7579f77SDag-Erling Smørgrav printf(" stop stops the server\n");
104b7579f77SDag-Erling Smørgrav printf(" reload reloads the server\n");
105b7579f77SDag-Erling Smørgrav printf(" (this flushes data, stats, requestlist)\n");
1061838dec3SCy Schubert printf(" reload_keep_cache reloads the server but tries to\n");
1071838dec3SCy Schubert printf(" keep the RRset and message cache\n");
1081838dec3SCy Schubert printf(" if (re)configuration allows for it.\n");
1091838dec3SCy Schubert printf(" That means the caches sizes and\n");
1101838dec3SCy Schubert printf(" the number of threads must not\n");
1111838dec3SCy Schubert printf(" change between reloads.\n");
112b7579f77SDag-Erling Smørgrav printf(" stats print statistics\n");
113b7579f77SDag-Erling Smørgrav printf(" stats_noreset peek at statistics\n");
11465b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET
11565b390aaSDag-Erling Smørgrav printf(" stats_shm print statistics using shm\n");
11665b390aaSDag-Erling Smørgrav #endif
117b7579f77SDag-Erling Smørgrav printf(" status display status of server\n");
118b7579f77SDag-Erling Smørgrav printf(" verbosity <number> change logging detail\n");
119b7579f77SDag-Erling Smørgrav printf(" log_reopen close and open the logfile\n");
120b7579f77SDag-Erling Smørgrav printf(" local_zone <name> <type> add new local zone\n");
121b7579f77SDag-Erling Smørgrav printf(" local_zone_remove <name> remove local zone and its contents\n");
122b7579f77SDag-Erling Smørgrav printf(" local_data <RR data...> add local data, for example\n");
123b7579f77SDag-Erling Smørgrav printf(" local_data www.example.com A 192.0.2.1\n");
124b7579f77SDag-Erling Smørgrav printf(" local_data_remove <name> remove local RR data from name\n");
12565b390aaSDag-Erling Smørgrav printf(" local_zones, local_zones_remove, local_datas, local_datas_remove\n");
12665b390aaSDag-Erling Smørgrav printf(" same, but read list from stdin\n");
12765b390aaSDag-Erling Smørgrav printf(" (one entry per line).\n");
128b7579f77SDag-Erling Smørgrav printf(" dump_cache print cache to stdout\n");
129b7579f77SDag-Erling Smørgrav printf(" load_cache load cache from stdin\n");
130b7579f77SDag-Erling Smørgrav printf(" lookup <name> print nameservers for name\n");
131b7579f77SDag-Erling Smørgrav printf(" flush <name> flushes common types for name from cache\n");
132b7579f77SDag-Erling Smørgrav printf(" types: A, AAAA, MX, PTR, NS,\n");
133b7579f77SDag-Erling Smørgrav printf(" SOA, CNAME, DNAME, SRV, NAPTR\n");
134b7579f77SDag-Erling Smørgrav printf(" flush_type <name> <type> flush name, type from cache\n");
135b7579f77SDag-Erling Smørgrav printf(" flush_zone <name> flush everything at or under name\n");
136b7579f77SDag-Erling Smørgrav printf(" from rr and dnssec caches\n");
1378ed2b524SDag-Erling Smørgrav printf(" flush_bogus flush all bogus data\n");
138ff825849SDag-Erling Smørgrav printf(" flush_negative flush all negative data\n");
139b7579f77SDag-Erling Smørgrav printf(" flush_stats flush statistics, make zero\n");
140b7579f77SDag-Erling Smørgrav printf(" flush_requestlist drop queries that are worked on\n");
141e2d15004SDag-Erling Smørgrav printf(" dump_requestlist show what is worked on by first thread\n");
142b7579f77SDag-Erling Smørgrav printf(" flush_infra [all | ip] remove ping, edns for one IP or all\n");
143b7579f77SDag-Erling Smørgrav printf(" dump_infra show ping and edns entries\n");
144b7579f77SDag-Erling Smørgrav printf(" set_option opt: val set option to value, no reload\n");
145b7579f77SDag-Erling Smørgrav printf(" get_option opt get option value\n");
146b7579f77SDag-Erling Smørgrav printf(" list_stubs list stub-zones and root hints in use\n");
147b7579f77SDag-Erling Smørgrav printf(" list_forwards list forward-zones in use\n");
14809a3aaf3SDag-Erling Smørgrav printf(" list_insecure list domain-insecure zones\n");
149b7579f77SDag-Erling Smørgrav printf(" list_local_zones list local-zones in use\n");
150b7579f77SDag-Erling Smørgrav printf(" list_local_data list local-data RRs in use\n");
15117d15b25SDag-Erling Smørgrav printf(" insecure_add zone add domain-insecure zone\n");
15217d15b25SDag-Erling Smørgrav printf(" insecure_remove zone remove domain-insecure zone\n");
153*335c7cdaSCy Schubert printf(" forward_add [+it] zone addr.. add forward-zone with servers\n");
154b7579f77SDag-Erling Smørgrav printf(" forward_remove [+i] zone remove forward zone\n");
155*335c7cdaSCy Schubert printf(" stub_add [+ipt] zone addr.. add stub-zone with servers\n");
156b7579f77SDag-Erling Smørgrav printf(" stub_remove [+i] zone remove stub zone\n");
157b7579f77SDag-Erling Smørgrav printf(" +i also do dnssec insecure point\n");
158b7579f77SDag-Erling Smørgrav printf(" +p set stub to use priming\n");
159*335c7cdaSCy Schubert printf(" +t set to use tls upstream\n");
160b7579f77SDag-Erling Smørgrav printf(" forward [off | addr ...] without arg show forward setup\n");
161b7579f77SDag-Erling Smørgrav printf(" or off to turn off root forwarding\n");
162b7579f77SDag-Erling Smørgrav printf(" or give list of ip addresses\n");
16309a3aaf3SDag-Erling Smørgrav printf(" ratelimit_list [+a] list ratelimited domains\n");
1643005e0a3SDag-Erling Smørgrav printf(" ip_ratelimit_list [+a] list ratelimited ip addresses\n");
16509a3aaf3SDag-Erling Smørgrav printf(" +a list all, also not ratelimited\n");
166a39a5a69SCy Schubert printf(" list_auth_zones list auth zones (includes RPZ zones)\n");
167a39a5a69SCy Schubert printf(" auth_zone_reload zone reload auth zone (or RPZ zone) from zonefile\n");
168a39a5a69SCy Schubert printf(" auth_zone_transfer zone transfer auth zone (or RPZ zone) from master\n");
1693005e0a3SDag-Erling Smørgrav printf(" view_list_local_zones view list local-zones in view\n");
1703005e0a3SDag-Erling Smørgrav printf(" view_list_local_data view list local-data RRs in view\n");
1713005e0a3SDag-Erling Smørgrav printf(" view_local_zone view name type add local-zone in view\n");
1723005e0a3SDag-Erling Smørgrav printf(" view_local_zone_remove view name remove local-zone in view\n");
1733005e0a3SDag-Erling Smørgrav printf(" view_local_data view RR... add local-data in view\n");
174e86b9096SDag-Erling Smørgrav printf(" view_local_datas view add list of local-data to view\n");
175e86b9096SDag-Erling Smørgrav printf(" one entry per line read from stdin\n");
1763005e0a3SDag-Erling Smørgrav printf(" view_local_data_remove view name remove local-data in view\n");
177091e9e46SCy Schubert printf(" view_local_datas_remove view remove list of local-data from view\n");
178091e9e46SCy Schubert printf(" one entry per line read from stdin\n");
179f44e67d1SCy Schubert printf(" rpz_enable zone Enable the RPZ zone if it had previously\n");
180f44e67d1SCy Schubert printf(" been disabled\n");
181f44e67d1SCy Schubert printf(" rpz_disable zone Disable the RPZ zone\n");
182b7579f77SDag-Erling Smørgrav printf("Version %s\n", PACKAGE_VERSION);
183b7579f77SDag-Erling Smørgrav printf("BSD licensed, see LICENSE in source package for details.\n");
184b7579f77SDag-Erling Smørgrav printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
185b7579f77SDag-Erling Smørgrav exit(1);
186b7579f77SDag-Erling Smørgrav }
187b7579f77SDag-Erling Smørgrav
18865b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET
18965b390aaSDag-Erling Smørgrav /** what to put on statistics lines between var and value, ": " or "=" */
19065b390aaSDag-Erling Smørgrav #define SQ "="
19165b390aaSDag-Erling Smørgrav /** print unsigned long stats value */
19265b390aaSDag-Erling Smørgrav #define PR_UL_NM(str, var) printf("%s."str SQ"%lu\n", nm, (unsigned long)(var));
19365b390aaSDag-Erling Smørgrav #define PR_UL(str, var) printf(str SQ"%lu\n", (unsigned long)(var));
19465b390aaSDag-Erling Smørgrav #define PR_UL_SUB(str, nm, var) printf(str".%s"SQ"%lu\n", nm, (unsigned long)(var));
19565b390aaSDag-Erling Smørgrav #define PR_TIMEVAL(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \
19665b390aaSDag-Erling Smørgrav (long long)var.tv_sec, (int)var.tv_usec);
197c7f4d7adSDag-Erling Smørgrav #define PR_STATSTIME(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \
198c7f4d7adSDag-Erling Smørgrav (long long)var ## _sec, (int)var ## _usec);
19965b390aaSDag-Erling Smørgrav #define PR_LL(str, var) printf(str SQ ARG_LL"d\n", (long long)(var));
20065b390aaSDag-Erling Smørgrav
20165b390aaSDag-Erling Smørgrav /** print stat block */
pr_stats(const char * nm,struct ub_stats_info * s)202c7f4d7adSDag-Erling Smørgrav static void pr_stats(const char* nm, struct ub_stats_info* s)
20365b390aaSDag-Erling Smørgrav {
204c7f4d7adSDag-Erling Smørgrav struct timeval sumwait, avg;
20565b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries", s->svr.num_queries);
20665b390aaSDag-Erling Smørgrav PR_UL_NM("num.queries_ip_ratelimited",
20765b390aaSDag-Erling Smørgrav s->svr.num_queries_ip_ratelimited);
2088f76bb7dSCy Schubert PR_UL_NM("num.queries_cookie_valid",
2098f76bb7dSCy Schubert s->svr.num_queries_cookie_valid);
2108f76bb7dSCy Schubert PR_UL_NM("num.queries_cookie_client",
2118f76bb7dSCy Schubert s->svr.num_queries_cookie_client);
2128f76bb7dSCy Schubert PR_UL_NM("num.queries_cookie_invalid",
2138f76bb7dSCy Schubert s->svr.num_queries_cookie_invalid);
21465b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachehits",
21565b390aaSDag-Erling Smørgrav s->svr.num_queries - s->svr.num_queries_missed_cache);
21665b390aaSDag-Erling Smørgrav PR_UL_NM("num.cachemiss", s->svr.num_queries_missed_cache);
21765b390aaSDag-Erling Smørgrav PR_UL_NM("num.prefetch", s->svr.num_queries_prefetch);
2188f76bb7dSCy Schubert PR_UL_NM("num.queries_timed_out", s->svr.num_queries_timed_out);
2198f76bb7dSCy Schubert PR_UL_NM("query.queue_time_us.max", s->svr.max_query_time_us);
220091e9e46SCy Schubert PR_UL_NM("num.expired", s->svr.ans_expired);
22165b390aaSDag-Erling Smørgrav PR_UL_NM("num.recursivereplies", s->mesh_replies_sent);
22265b390aaSDag-Erling Smørgrav #ifdef USE_DNSCRYPT
22365b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.crypted", s->svr.num_query_dnscrypt_crypted);
22465b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cert", s->svr.num_query_dnscrypt_cert);
22565b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.cleartext", s->svr.num_query_dnscrypt_cleartext);
22665b390aaSDag-Erling Smørgrav PR_UL_NM("num.dnscrypt.malformed",
22765b390aaSDag-Erling Smørgrav s->svr.num_query_dnscrypt_crypted_malformed);
228971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */
22965b390aaSDag-Erling Smørgrav printf("%s.requestlist.avg"SQ"%g\n", nm,
23065b390aaSDag-Erling Smørgrav (s->svr.num_queries_missed_cache+s->svr.num_queries_prefetch)?
23165b390aaSDag-Erling Smørgrav (double)s->svr.sum_query_list_size/
232c7f4d7adSDag-Erling Smørgrav (double)(s->svr.num_queries_missed_cache+
23365b390aaSDag-Erling Smørgrav s->svr.num_queries_prefetch) : 0.0);
23465b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.max", s->svr.max_query_list_size);
23565b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.overwritten", s->mesh_jostled);
23665b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.exceeded", s->mesh_dropped);
23765b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.all", s->mesh_num_states);
23865b390aaSDag-Erling Smørgrav PR_UL_NM("requestlist.current.user", s->mesh_num_reply_states);
239c7f4d7adSDag-Erling Smørgrav #ifndef S_SPLINT_S
240c7f4d7adSDag-Erling Smørgrav sumwait.tv_sec = s->mesh_replies_sum_wait_sec;
241c7f4d7adSDag-Erling Smørgrav sumwait.tv_usec = s->mesh_replies_sum_wait_usec;
242c7f4d7adSDag-Erling Smørgrav #endif
243c7f4d7adSDag-Erling Smørgrav timeval_divide(&avg, &sumwait, s->mesh_replies_sent);
24465b390aaSDag-Erling Smørgrav printf("%s.", nm);
24565b390aaSDag-Erling Smørgrav PR_TIMEVAL("recursion.time.avg", avg);
24665b390aaSDag-Erling Smørgrav printf("%s.recursion.time.median"SQ"%g\n", nm, s->mesh_time_median);
24765b390aaSDag-Erling Smørgrav PR_UL_NM("tcpusage", s->svr.tcp_accept_usage);
24865b390aaSDag-Erling Smørgrav }
24965b390aaSDag-Erling Smørgrav
25065b390aaSDag-Erling Smørgrav /** print uptime */
print_uptime(struct ub_shm_stat_info * shm_stat)251c7f4d7adSDag-Erling Smørgrav static void print_uptime(struct ub_shm_stat_info* shm_stat)
25265b390aaSDag-Erling Smørgrav {
253c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.now", shm_stat->time.now);
254c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.up", shm_stat->time.up);
255c7f4d7adSDag-Erling Smørgrav PR_STATSTIME("time.elapsed", shm_stat->time.elapsed);
25665b390aaSDag-Erling Smørgrav }
25765b390aaSDag-Erling Smørgrav
25865b390aaSDag-Erling Smørgrav /** print memory usage */
print_mem(struct ub_shm_stat_info * shm_stat,struct ub_stats_info * s)259e86b9096SDag-Erling Smørgrav static void print_mem(struct ub_shm_stat_info* shm_stat,
260e86b9096SDag-Erling Smørgrav struct ub_stats_info* s)
26165b390aaSDag-Erling Smørgrav {
26265b390aaSDag-Erling Smørgrav PR_LL("mem.cache.rrset", shm_stat->mem.rrset);
26365b390aaSDag-Erling Smørgrav PR_LL("mem.cache.message", shm_stat->mem.msg);
264c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.iterator", shm_stat->mem.iter);
265c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.validator", shm_stat->mem.val);
266c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.respip", shm_stat->mem.respip);
26765b390aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET
268c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.subnet", shm_stat->mem.subnet);
269c7f4d7adSDag-Erling Smørgrav #endif
270c7f4d7adSDag-Erling Smørgrav #ifdef USE_IPSECMOD
271c7f4d7adSDag-Erling Smørgrav PR_LL("mem.mod.ipsecmod", shm_stat->mem.ipsecmod);
27265b390aaSDag-Erling Smørgrav #endif
27325039b37SCy Schubert #ifdef WITH_DYNLIBMODULE
27425039b37SCy Schubert PR_LL("mem.mod.dynlib", shm_stat->mem.dynlib);
27525039b37SCy Schubert #endif
276971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT
277971980c3SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_shared_secret",
278971980c3SDag-Erling Smørgrav shm_stat->mem.dnscrypt_shared_secret);
2798a384985SDag-Erling Smørgrav PR_LL("mem.cache.dnscrypt_nonce",
2808a384985SDag-Erling Smørgrav shm_stat->mem.dnscrypt_nonce);
281971980c3SDag-Erling Smørgrav #endif
282e86b9096SDag-Erling Smørgrav PR_LL("mem.streamwait", s->svr.mem_stream_wait);
283c0caa2e2SCy Schubert PR_LL("mem.http.query_buffer", s->svr.mem_http2_query_buffer);
284c0caa2e2SCy Schubert PR_LL("mem.http.response_buffer", s->svr.mem_http2_response_buffer);
28565b390aaSDag-Erling Smørgrav }
28665b390aaSDag-Erling Smørgrav
28765b390aaSDag-Erling Smørgrav /** print histogram */
print_hist(struct ub_stats_info * s)288c7f4d7adSDag-Erling Smørgrav static void print_hist(struct ub_stats_info* s)
28965b390aaSDag-Erling Smørgrav {
29065b390aaSDag-Erling Smørgrav struct timehist* hist;
29165b390aaSDag-Erling Smørgrav size_t i;
29265b390aaSDag-Erling Smørgrav hist = timehist_setup();
29365b390aaSDag-Erling Smørgrav if(!hist)
29465b390aaSDag-Erling Smørgrav fatal_exit("out of memory");
29565b390aaSDag-Erling Smørgrav timehist_import(hist, s->svr.hist, NUM_BUCKETS_HIST);
29665b390aaSDag-Erling Smørgrav for(i=0; i<hist->num; i++) {
29765b390aaSDag-Erling Smørgrav printf("histogram.%6.6d.%6.6d.to.%6.6d.%6.6d=%lu\n",
29865b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_sec,
29965b390aaSDag-Erling Smørgrav (int)hist->buckets[i].lower.tv_usec,
30065b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_sec,
30165b390aaSDag-Erling Smørgrav (int)hist->buckets[i].upper.tv_usec,
30265b390aaSDag-Erling Smørgrav (unsigned long)hist->buckets[i].count);
30365b390aaSDag-Erling Smørgrav }
30465b390aaSDag-Erling Smørgrav timehist_delete(hist);
30565b390aaSDag-Erling Smørgrav }
30665b390aaSDag-Erling Smørgrav
30765b390aaSDag-Erling Smørgrav /** print extended */
print_extended(struct ub_stats_info * s,int inhibit_zero)3081838dec3SCy Schubert static void print_extended(struct ub_stats_info* s, int inhibit_zero)
30965b390aaSDag-Erling Smørgrav {
31065b390aaSDag-Erling Smørgrav int i;
31165b390aaSDag-Erling Smørgrav char nm[16];
31265b390aaSDag-Erling Smørgrav
31365b390aaSDag-Erling Smørgrav /* TYPE */
314c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QTYPE_NUM; i++) {
31565b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qtype[i] == 0)
31665b390aaSDag-Erling Smørgrav continue;
31765b390aaSDag-Erling Smørgrav sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm));
31865b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]);
31965b390aaSDag-Erling Smørgrav }
32065b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qtype_big) {
32165b390aaSDag-Erling Smørgrav PR_UL("num.query.type.other", s->svr.qtype_big);
32265b390aaSDag-Erling Smørgrav }
32365b390aaSDag-Erling Smørgrav
32465b390aaSDag-Erling Smørgrav /* CLASS */
325c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_QCLASS_NUM; i++) {
32665b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qclass[i] == 0)
32765b390aaSDag-Erling Smørgrav continue;
32865b390aaSDag-Erling Smørgrav sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm));
32965b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]);
33065b390aaSDag-Erling Smørgrav }
33165b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.qclass_big) {
33265b390aaSDag-Erling Smørgrav PR_UL("num.query.class.other", s->svr.qclass_big);
33365b390aaSDag-Erling Smørgrav }
33465b390aaSDag-Erling Smørgrav
33565b390aaSDag-Erling Smørgrav /* OPCODE */
336c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_OPCODE_NUM; i++) {
33765b390aaSDag-Erling Smørgrav if(inhibit_zero && s->svr.qopcode[i] == 0)
33865b390aaSDag-Erling Smørgrav continue;
33965b390aaSDag-Erling Smørgrav sldns_wire2str_opcode_buf(i, nm, sizeof(nm));
34065b390aaSDag-Erling Smørgrav PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]);
34165b390aaSDag-Erling Smørgrav }
34265b390aaSDag-Erling Smørgrav
34365b390aaSDag-Erling Smørgrav /* transport */
34465b390aaSDag-Erling Smørgrav PR_UL("num.query.tcp", s->svr.qtcp);
34565b390aaSDag-Erling Smørgrav PR_UL("num.query.tcpout", s->svr.qtcp_outgoing);
3460a92a9fcSCy Schubert PR_UL("num.query.udpout", s->svr.qudp_outgoing);
3474c75e3aaSDag-Erling Smørgrav PR_UL("num.query.tls", s->svr.qtls);
348e86b9096SDag-Erling Smørgrav PR_UL("num.query.tls_resume", s->svr.qtls_resume);
34965b390aaSDag-Erling Smørgrav PR_UL("num.query.ipv6", s->svr.qipv6);
350c0caa2e2SCy Schubert PR_UL("num.query.https", s->svr.qhttps);
35165b390aaSDag-Erling Smørgrav
35265b390aaSDag-Erling Smørgrav /* flags */
35365b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.QR", s->svr.qbit_QR);
35465b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AA", s->svr.qbit_AA);
35565b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.TC", s->svr.qbit_TC);
35665b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RD", s->svr.qbit_RD);
35765b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.RA", s->svr.qbit_RA);
35865b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.Z", s->svr.qbit_Z);
35965b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.AD", s->svr.qbit_AD);
36065b390aaSDag-Erling Smørgrav PR_UL("num.query.flags.CD", s->svr.qbit_CD);
36165b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.present", s->svr.qEDNS);
36265b390aaSDag-Erling Smørgrav PR_UL("num.query.edns.DO", s->svr.qEDNS_DO);
36365b390aaSDag-Erling Smørgrav
36465b390aaSDag-Erling Smørgrav /* RCODE */
365c7f4d7adSDag-Erling Smørgrav for(i=0; i<UB_STATS_RCODE_NUM; i++) {
36665b390aaSDag-Erling Smørgrav /* Always include RCODEs 0-5 */
36765b390aaSDag-Erling Smørgrav if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0)
36865b390aaSDag-Erling Smørgrav continue;
36965b390aaSDag-Erling Smørgrav sldns_wire2str_rcode_buf(i, nm, sizeof(nm));
37065b390aaSDag-Erling Smørgrav PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]);
37165b390aaSDag-Erling Smørgrav }
37265b390aaSDag-Erling Smørgrav if(!inhibit_zero || s->svr.ans_rcode_nodata) {
37365b390aaSDag-Erling Smørgrav PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata);
37465b390aaSDag-Erling Smørgrav }
375971980c3SDag-Erling Smørgrav /* iteration */
376971980c3SDag-Erling Smørgrav PR_UL("num.query.ratelimited", s->svr.queries_ratelimited);
37765b390aaSDag-Erling Smørgrav /* validation */
37865b390aaSDag-Erling Smørgrav PR_UL("num.answer.secure", s->svr.ans_secure);
37965b390aaSDag-Erling Smørgrav PR_UL("num.answer.bogus", s->svr.ans_bogus);
38065b390aaSDag-Erling Smørgrav PR_UL("num.rrset.bogus", s->svr.rrset_bogus);
3810fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror);
3820fb34990SDag-Erling Smørgrav PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain);
38365b390aaSDag-Erling Smørgrav /* threat detection */
38465b390aaSDag-Erling Smørgrav PR_UL("unwanted.queries", s->svr.unwanted_queries);
38565b390aaSDag-Erling Smørgrav PR_UL("unwanted.replies", s->svr.unwanted_replies);
38665b390aaSDag-Erling Smørgrav /* cache counts */
38765b390aaSDag-Erling Smørgrav PR_UL("msg.cache.count", s->svr.msg_cache_count);
38865b390aaSDag-Erling Smørgrav PR_UL("rrset.cache.count", s->svr.rrset_cache_count);
38965b390aaSDag-Erling Smørgrav PR_UL("infra.cache.count", s->svr.infra_cache_count);
39065b390aaSDag-Erling Smørgrav PR_UL("key.cache.count", s->svr.key_cache_count);
3918f76bb7dSCy Schubert /* max collisions */
3928f76bb7dSCy Schubert PR_UL("msg.cache.max_collisions", s->svr.msg_cache_max_collisions);
3938f76bb7dSCy Schubert PR_UL("rrset.cache.max_collisions", s->svr.rrset_cache_max_collisions);
394091e9e46SCy Schubert /* applied RPZ actions */
395091e9e46SCy Schubert for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) {
396091e9e46SCy Schubert if(i == RPZ_NO_OVERRIDE_ACTION)
397091e9e46SCy Schubert continue;
398091e9e46SCy Schubert if(inhibit_zero && s->svr.rpz_action[i] == 0)
399091e9e46SCy Schubert continue;
400091e9e46SCy Schubert PR_UL_SUB("num.rpz.action", rpz_action_to_string(i), s->svr.rpz_action[i]);
401091e9e46SCy Schubert }
402971980c3SDag-Erling Smørgrav #ifdef USE_DNSCRYPT
403971980c3SDag-Erling Smørgrav PR_UL("dnscrypt_shared_secret.cache.count",
404971980c3SDag-Erling Smørgrav s->svr.shared_secret_cache_count);
405971980c3SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.shared_secret.cachemiss",
406971980c3SDag-Erling Smørgrav s->svr.num_query_dnscrypt_secret_missed_cache);
4078a384985SDag-Erling Smørgrav PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count);
4088a384985SDag-Erling Smørgrav PR_UL("num.query.dnscrypt.replay",
4098a384985SDag-Erling Smørgrav s->svr.num_query_dnscrypt_replay);
410971980c3SDag-Erling Smørgrav #endif /* USE_DNSCRYPT */
4110fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up);
4120fb34990SDag-Erling Smørgrav PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down);
4134c75e3aaSDag-Erling Smørgrav #ifdef CLIENT_SUBNET
4144c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet", s->svr.num_query_subnet);
4154c75e3aaSDag-Erling Smørgrav PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache);
4164c75e3aaSDag-Erling Smørgrav #endif
4178f76bb7dSCy Schubert #ifdef USE_CACHEDB
4188f76bb7dSCy Schubert PR_UL("num.query.cachedb", s->svr.num_query_cachedb);
4198f76bb7dSCy Schubert #endif
42065b390aaSDag-Erling Smørgrav }
42165b390aaSDag-Erling Smørgrav
42265b390aaSDag-Erling Smørgrav /** print statistics out of memory structures */
do_stats_shm(struct config_file * cfg,struct ub_stats_info * stats,struct ub_shm_stat_info * shm_stat)423c7f4d7adSDag-Erling Smørgrav static void do_stats_shm(struct config_file* cfg, struct ub_stats_info* stats,
424c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat)
42565b390aaSDag-Erling Smørgrav {
42665b390aaSDag-Erling Smørgrav int i;
427971980c3SDag-Erling Smørgrav char nm[32];
42865b390aaSDag-Erling Smørgrav for(i=0; i<cfg->num_threads; i++) {
42965b390aaSDag-Erling Smørgrav snprintf(nm, sizeof(nm), "thread%d", i);
43065b390aaSDag-Erling Smørgrav pr_stats(nm, &stats[i+1]);
43165b390aaSDag-Erling Smørgrav }
43265b390aaSDag-Erling Smørgrav pr_stats("total", &stats[0]);
43365b390aaSDag-Erling Smørgrav print_uptime(shm_stat);
43465b390aaSDag-Erling Smørgrav if(cfg->stat_extended) {
435e86b9096SDag-Erling Smørgrav print_mem(shm_stat, &stats[0]);
43665b390aaSDag-Erling Smørgrav print_hist(stats);
4371838dec3SCy Schubert print_extended(stats, cfg->stat_inhibit_zero);
43865b390aaSDag-Erling Smørgrav }
43965b390aaSDag-Erling Smørgrav }
44065b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */
44165b390aaSDag-Erling Smørgrav
44265b390aaSDag-Erling Smørgrav /** print statistics from shm memory segment */
print_stats_shm(const char * cfgfile,int quiet)443a39a5a69SCy Schubert static void print_stats_shm(const char* cfgfile, int quiet)
44465b390aaSDag-Erling Smørgrav {
44565b390aaSDag-Erling Smørgrav #ifdef HAVE_SHMGET
44665b390aaSDag-Erling Smørgrav struct config_file* cfg;
447c7f4d7adSDag-Erling Smørgrav struct ub_stats_info* stats;
448c7f4d7adSDag-Erling Smørgrav struct ub_shm_stat_info* shm_stat;
44965b390aaSDag-Erling Smørgrav int id_ctl, id_arr;
45065b390aaSDag-Erling Smørgrav /* read config */
45165b390aaSDag-Erling Smørgrav if(!(cfg = config_create()))
45265b390aaSDag-Erling Smørgrav fatal_exit("out of memory");
45365b390aaSDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL))
45465b390aaSDag-Erling Smørgrav fatal_exit("could not read config file");
45565b390aaSDag-Erling Smørgrav /* get shm segments */
4560eefd307SCy Schubert id_ctl = shmget(cfg->shm_key, sizeof(int), SHM_R);
45765b390aaSDag-Erling Smørgrav if(id_ctl == -1) {
45865b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key, strerror(errno));
45965b390aaSDag-Erling Smørgrav }
4600eefd307SCy Schubert id_arr = shmget(cfg->shm_key+1, sizeof(int), SHM_R);
46165b390aaSDag-Erling Smørgrav if(id_arr == -1) {
46265b390aaSDag-Erling Smørgrav fatal_exit("shmget(%d): %s", cfg->shm_key+1, strerror(errno));
46365b390aaSDag-Erling Smørgrav }
4640eefd307SCy Schubert shm_stat = (struct ub_shm_stat_info*)shmat(id_ctl, NULL, SHM_RDONLY);
46565b390aaSDag-Erling Smørgrav if(shm_stat == (void*)-1) {
46665b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_ctl, strerror(errno));
46765b390aaSDag-Erling Smørgrav }
4680eefd307SCy Schubert stats = (struct ub_stats_info*)shmat(id_arr, NULL, SHM_RDONLY);
46965b390aaSDag-Erling Smørgrav if(stats == (void*)-1) {
47065b390aaSDag-Erling Smørgrav fatal_exit("shmat(%d): %s", id_arr, strerror(errno));
47165b390aaSDag-Erling Smørgrav }
47265b390aaSDag-Erling Smørgrav
473a39a5a69SCy Schubert
474a39a5a69SCy Schubert if(!quiet) {
47565b390aaSDag-Erling Smørgrav /* print the stats */
47665b390aaSDag-Erling Smørgrav do_stats_shm(cfg, stats, shm_stat);
477a39a5a69SCy Schubert }
47865b390aaSDag-Erling Smørgrav
47965b390aaSDag-Erling Smørgrav /* shutdown */
48065b390aaSDag-Erling Smørgrav shmdt(shm_stat);
48165b390aaSDag-Erling Smørgrav shmdt(stats);
48265b390aaSDag-Erling Smørgrav config_delete(cfg);
48365b390aaSDag-Erling Smørgrav #else
48465b390aaSDag-Erling Smørgrav (void)cfgfile;
4850a92a9fcSCy Schubert (void)quiet;
48665b390aaSDag-Erling Smørgrav #endif /* HAVE_SHMGET */
48765b390aaSDag-Erling Smørgrav }
48865b390aaSDag-Erling Smørgrav
489b7579f77SDag-Erling Smørgrav /** exit with ssl error */
ssl_err(const char * s)490b7579f77SDag-Erling Smørgrav static void ssl_err(const char* s)
491b7579f77SDag-Erling Smørgrav {
492b7579f77SDag-Erling Smørgrav fprintf(stderr, "error: %s\n", s);
493b7579f77SDag-Erling Smørgrav ERR_print_errors_fp(stderr);
494b7579f77SDag-Erling Smørgrav exit(1);
495b7579f77SDag-Erling Smørgrav }
496b7579f77SDag-Erling Smørgrav
4974c75e3aaSDag-Erling Smørgrav /** exit with ssl error related to a file path */
ssl_path_err(const char * s,const char * path)4984c75e3aaSDag-Erling Smørgrav static void ssl_path_err(const char* s, const char *path)
4994c75e3aaSDag-Erling Smørgrav {
5004c75e3aaSDag-Erling Smørgrav unsigned long err;
5014c75e3aaSDag-Erling Smørgrav err = ERR_peek_error();
5025469a995SCy Schubert if(ERR_GET_LIB(err) == ERR_LIB_SYS) {
5034c75e3aaSDag-Erling Smørgrav fprintf(stderr, "error: %s\n%s: %s\n",
5044c75e3aaSDag-Erling Smørgrav s, path, ERR_reason_error_string(err));
5054c75e3aaSDag-Erling Smørgrav exit(1);
5064c75e3aaSDag-Erling Smørgrav } else {
5074c75e3aaSDag-Erling Smørgrav ssl_err(s);
5084c75e3aaSDag-Erling Smørgrav }
5094c75e3aaSDag-Erling Smørgrav }
5104c75e3aaSDag-Erling Smørgrav
511b7579f77SDag-Erling Smørgrav /** setup SSL context */
512b7579f77SDag-Erling Smørgrav static SSL_CTX*
setup_ctx(struct config_file * cfg)513b7579f77SDag-Erling Smørgrav setup_ctx(struct config_file* cfg)
514b7579f77SDag-Erling Smørgrav {
515748bd829SDag-Erling Smørgrav char* s_cert=NULL, *c_key=NULL, *c_cert=NULL;
516b7579f77SDag-Erling Smørgrav SSL_CTX* ctx;
517b7579f77SDag-Erling Smørgrav
5187da0adf7SDag-Erling Smørgrav if(!(options_remote_is_address(cfg) && cfg->control_use_cert))
5197da0adf7SDag-Erling Smørgrav return NULL;
520b7579f77SDag-Erling Smørgrav s_cert = fname_after_chroot(cfg->server_cert_file, cfg, 1);
521b7579f77SDag-Erling Smørgrav c_key = fname_after_chroot(cfg->control_key_file, cfg, 1);
522b7579f77SDag-Erling Smørgrav c_cert = fname_after_chroot(cfg->control_cert_file, cfg, 1);
523b7579f77SDag-Erling Smørgrav if(!s_cert || !c_key || !c_cert)
524b7579f77SDag-Erling Smørgrav fatal_exit("out of memory");
525b7579f77SDag-Erling Smørgrav ctx = SSL_CTX_new(SSLv23_client_method());
526b7579f77SDag-Erling Smørgrav if(!ctx)
527b7579f77SDag-Erling Smørgrav ssl_err("could not allocate SSL_CTX pointer");
528091e9e46SCy Schubert #if SSL_OP_NO_SSLv2 != 0
52905ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
53005ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv2)
531b7579f77SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv2");
532091e9e46SCy Schubert #endif
53305ab2901SDag-Erling Smørgrav if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
53405ab2901SDag-Erling Smørgrav != SSL_OP_NO_SSLv3)
535ff825849SDag-Erling Smørgrav ssl_err("could not set SSL_OP_NO_SSLv3");
5360eefd307SCy Schubert #if defined(SSL_OP_NO_RENEGOTIATION)
5370eefd307SCy Schubert /* disable client renegotiation */
5380eefd307SCy Schubert if((SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION) &
5390eefd307SCy Schubert SSL_OP_NO_RENEGOTIATION) != SSL_OP_NO_RENEGOTIATION)
5400eefd307SCy Schubert ssl_err("could not set SSL_OP_NO_RENEGOTIATION");
5410eefd307SCy Schubert #endif
5424c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert))
5434c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client cert", c_cert);
5444c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM))
5454c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX client key", c_key);
5464c75e3aaSDag-Erling Smørgrav if(!SSL_CTX_check_private_key(ctx))
5474c75e3aaSDag-Erling Smørgrav ssl_err("Error setting up SSL_CTX client key");
548b7579f77SDag-Erling Smørgrav if(SSL_CTX_load_verify_locations(ctx, s_cert, NULL) != 1)
5494c75e3aaSDag-Erling Smørgrav ssl_path_err("Error setting up SSL_CTX verify, server cert",
5504c75e3aaSDag-Erling Smørgrav s_cert);
551b7579f77SDag-Erling Smørgrav SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
552b7579f77SDag-Erling Smørgrav
553b7579f77SDag-Erling Smørgrav free(s_cert);
554b7579f77SDag-Erling Smørgrav free(c_key);
555b7579f77SDag-Erling Smørgrav free(c_cert);
556b7579f77SDag-Erling Smørgrav return ctx;
557b7579f77SDag-Erling Smørgrav }
558b7579f77SDag-Erling Smørgrav
559f44e67d1SCy Schubert /** check connect error */
560f44e67d1SCy Schubert static void
checkconnecterr(int err,const char * svr,struct sockaddr_storage * addr,socklen_t addrlen,int statuscmd,int useport)561f44e67d1SCy Schubert checkconnecterr(int err, const char* svr, struct sockaddr_storage* addr,
562f44e67d1SCy Schubert socklen_t addrlen, int statuscmd, int useport)
563f44e67d1SCy Schubert {
564f44e67d1SCy Schubert #ifndef USE_WINSOCK
565f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", strerror(err), svr);
566f44e67d1SCy Schubert else log_err_addr("connect", strerror(err), addr, addrlen);
567f44e67d1SCy Schubert if(err == ECONNREFUSED && statuscmd) {
568f44e67d1SCy Schubert printf("unbound is stopped\n");
569f44e67d1SCy Schubert exit(3);
570f44e67d1SCy Schubert }
571f44e67d1SCy Schubert #else
572f44e67d1SCy Schubert int wsaerr = err;
573f44e67d1SCy Schubert if(!useport) log_err("connect: %s for %s", wsa_strerror(wsaerr), svr);
574f44e67d1SCy Schubert else log_err_addr("connect", wsa_strerror(wsaerr), addr, addrlen);
575f44e67d1SCy Schubert if(wsaerr == WSAECONNREFUSED && statuscmd) {
576f44e67d1SCy Schubert printf("unbound is stopped\n");
577f44e67d1SCy Schubert exit(3);
578f44e67d1SCy Schubert }
579f44e67d1SCy Schubert #endif
580f44e67d1SCy Schubert exit(1);
581f44e67d1SCy Schubert }
582f44e67d1SCy Schubert
583b7579f77SDag-Erling Smørgrav /** contact the server with TCP connect */
584b7579f77SDag-Erling Smørgrav static int
contact_server(const char * svr,struct config_file * cfg,int statuscmd)585b7579f77SDag-Erling Smørgrav contact_server(const char* svr, struct config_file* cfg, int statuscmd)
586b7579f77SDag-Erling Smørgrav {
587b7579f77SDag-Erling Smørgrav struct sockaddr_storage addr;
588b7579f77SDag-Erling Smørgrav socklen_t addrlen;
5897da0adf7SDag-Erling Smørgrav int addrfamily = 0, proto = IPPROTO_TCP;
5907da0adf7SDag-Erling Smørgrav int fd, useport = 1;
5915469a995SCy Schubert char** rcif = NULL;
5925469a995SCy Schubert int num_rcif = 0;
593b7579f77SDag-Erling Smørgrav /* use svr or the first config entry */
594b7579f77SDag-Erling Smørgrav if(!svr) {
5957da0adf7SDag-Erling Smørgrav if(cfg->control_ifs.first) {
5965469a995SCy Schubert struct sockaddr_storage addr2;
5975469a995SCy Schubert socklen_t addrlen2;
5985469a995SCy Schubert if(extstrtoaddr(cfg->control_ifs.first->str, &addr2,
599865f46b2SCy Schubert &addrlen2, UNBOUND_DNS_PORT)) {
6007da0adf7SDag-Erling Smørgrav svr = cfg->control_ifs.first->str;
6015469a995SCy Schubert } else {
6025469a995SCy Schubert if(!resolve_interface_names(NULL, 0,
6035469a995SCy Schubert cfg->control_ifs.first, &rcif,
6045469a995SCy Schubert &num_rcif)) {
6055469a995SCy Schubert fatal_exit("could not resolve interface names");
6065469a995SCy Schubert }
6075469a995SCy Schubert if(rcif == NULL || num_rcif == 0) {
6085469a995SCy Schubert fatal_exit("no control interfaces");
6095469a995SCy Schubert }
6105469a995SCy Schubert svr = rcif[0];
6115469a995SCy Schubert }
6123005e0a3SDag-Erling Smørgrav } else if(cfg->do_ip4) {
6133005e0a3SDag-Erling Smørgrav svr = "127.0.0.1";
6143005e0a3SDag-Erling Smørgrav } else {
6153005e0a3SDag-Erling Smørgrav svr = "::1";
6163005e0a3SDag-Erling Smørgrav }
617b7579f77SDag-Erling Smørgrav /* config 0 addr (everything), means ask localhost */
618b7579f77SDag-Erling Smørgrav if(strcmp(svr, "0.0.0.0") == 0)
619b7579f77SDag-Erling Smørgrav svr = "127.0.0.1";
620b7579f77SDag-Erling Smørgrav else if(strcmp(svr, "::0") == 0 ||
621b7579f77SDag-Erling Smørgrav strcmp(svr, "0::0") == 0 ||
622b7579f77SDag-Erling Smørgrav strcmp(svr, "0::") == 0 ||
623b7579f77SDag-Erling Smørgrav strcmp(svr, "::") == 0)
624b7579f77SDag-Erling Smørgrav svr = "::1";
625b7579f77SDag-Erling Smørgrav }
626b7579f77SDag-Erling Smørgrav if(strchr(svr, '@')) {
627865f46b2SCy Schubert if(!extstrtoaddr(svr, &addr, &addrlen, UNBOUND_DNS_PORT))
628b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP@port: %s", svr);
62931099b50SDag-Erling Smørgrav #ifdef HAVE_SYS_UN_H
63031099b50SDag-Erling Smørgrav } else if(svr[0] == '/') {
6316480faa8SDag-Erling Smørgrav struct sockaddr_un* usock = (struct sockaddr_un *) &addr;
6326480faa8SDag-Erling Smørgrav usock->sun_family = AF_LOCAL;
633748bd829SDag-Erling Smørgrav #ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
634b5663de9SDag-Erling Smørgrav usock->sun_len = (unsigned)sizeof(usock);
635748bd829SDag-Erling Smørgrav #endif
6366480faa8SDag-Erling Smørgrav (void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path));
637748bd829SDag-Erling Smørgrav addrlen = (socklen_t)sizeof(struct sockaddr_un);
63831099b50SDag-Erling Smørgrav addrfamily = AF_LOCAL;
6397da0adf7SDag-Erling Smørgrav useport = 0;
6407da0adf7SDag-Erling Smørgrav proto = 0;
64131099b50SDag-Erling Smørgrav #endif
642b7579f77SDag-Erling Smørgrav } else {
643b7579f77SDag-Erling Smørgrav if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen))
644b7579f77SDag-Erling Smørgrav fatal_exit("could not parse IP: %s", svr);
645b7579f77SDag-Erling Smørgrav }
64631099b50SDag-Erling Smørgrav
64731099b50SDag-Erling Smørgrav if(addrfamily == 0)
6487da0adf7SDag-Erling Smørgrav addrfamily = addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET;
6497da0adf7SDag-Erling Smørgrav fd = socket(addrfamily, SOCK_STREAM, proto);
650b7579f77SDag-Erling Smørgrav if(fd == -1) {
651c0caa2e2SCy Schubert fatal_exit("socket: %s", sock_strerror(errno));
652b7579f77SDag-Erling Smørgrav }
653f44e67d1SCy Schubert fd_set_nonblock(fd);
654b7579f77SDag-Erling Smørgrav if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) {
655b7579f77SDag-Erling Smørgrav #ifndef USE_WINSOCK
656f44e67d1SCy Schubert #ifdef EINPROGRESS
657f44e67d1SCy Schubert if(errno != EINPROGRESS) {
658f44e67d1SCy Schubert checkconnecterr(errno, svr, &addr,
659f44e67d1SCy Schubert addrlen, statuscmd, useport);
660b7579f77SDag-Erling Smørgrav }
661b7579f77SDag-Erling Smørgrav #endif
662f44e67d1SCy Schubert #else
663f44e67d1SCy Schubert if(WSAGetLastError() != WSAEINPROGRESS &&
664f44e67d1SCy Schubert WSAGetLastError() != WSAEWOULDBLOCK) {
665f44e67d1SCy Schubert checkconnecterr(WSAGetLastError(), svr, &addr,
666f44e67d1SCy Schubert addrlen, statuscmd, useport);
667b7579f77SDag-Erling Smørgrav }
668f44e67d1SCy Schubert #endif
669f44e67d1SCy Schubert }
670f44e67d1SCy Schubert while(1) {
671f44e67d1SCy Schubert fd_set rset, wset, eset;
672f44e67d1SCy Schubert struct timeval tv;
673f44e67d1SCy Schubert FD_ZERO(&rset);
674f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &rset);
675f44e67d1SCy Schubert FD_ZERO(&wset);
676f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &wset);
677f44e67d1SCy Schubert FD_ZERO(&eset);
678f44e67d1SCy Schubert FD_SET(FD_SET_T fd, &eset);
679f44e67d1SCy Schubert tv.tv_sec = UNBOUND_CONTROL_CONNECT_TIMEOUT/1000;
680f44e67d1SCy Schubert tv.tv_usec= (UNBOUND_CONTROL_CONNECT_TIMEOUT%1000)*1000;
681f44e67d1SCy Schubert if(select(fd+1, &rset, &wset, &eset, &tv) == -1) {
682f44e67d1SCy Schubert fatal_exit("select: %s", sock_strerror(errno));
683f44e67d1SCy Schubert }
684f44e67d1SCy Schubert if(!FD_ISSET(fd, &rset) && !FD_ISSET(fd, &wset) &&
685f44e67d1SCy Schubert !FD_ISSET(fd, &eset)) {
686f44e67d1SCy Schubert fatal_exit("timeout: could not connect to server");
687f44e67d1SCy Schubert } else {
688f44e67d1SCy Schubert /* check nonblocking connect error */
689f44e67d1SCy Schubert int error = 0;
690f44e67d1SCy Schubert socklen_t len = (socklen_t)sizeof(error);
691f44e67d1SCy Schubert if(getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&error,
692f44e67d1SCy Schubert &len) < 0) {
693f44e67d1SCy Schubert #ifndef USE_WINSOCK
694f44e67d1SCy Schubert error = errno; /* on solaris errno is error */
695f44e67d1SCy Schubert #else
696f44e67d1SCy Schubert error = WSAGetLastError();
697f44e67d1SCy Schubert #endif
698f44e67d1SCy Schubert }
699f44e67d1SCy Schubert if(error != 0) {
700f44e67d1SCy Schubert #ifndef USE_WINSOCK
701f44e67d1SCy Schubert #ifdef EINPROGRESS
702f44e67d1SCy Schubert if(error == EINPROGRESS)
703f44e67d1SCy Schubert continue; /* try again later */
704f44e67d1SCy Schubert #endif
705f44e67d1SCy Schubert #ifdef EWOULDBLOCK
706f44e67d1SCy Schubert if(error == EWOULDBLOCK)
707f44e67d1SCy Schubert continue; /* try again later */
708f44e67d1SCy Schubert #endif
709f44e67d1SCy Schubert #else
710f44e67d1SCy Schubert if(error == WSAEINPROGRESS)
711f44e67d1SCy Schubert continue; /* try again later */
712f44e67d1SCy Schubert if(error == WSAEWOULDBLOCK)
713f44e67d1SCy Schubert continue; /* try again later */
714f44e67d1SCy Schubert #endif
715f44e67d1SCy Schubert checkconnecterr(error, svr, &addr, addrlen,
716f44e67d1SCy Schubert statuscmd, useport);
717f44e67d1SCy Schubert }
718f44e67d1SCy Schubert }
719f44e67d1SCy Schubert break;
720f44e67d1SCy Schubert }
721f44e67d1SCy Schubert fd_set_block(fd);
7225469a995SCy Schubert config_del_strarray(rcif, num_rcif);
723b7579f77SDag-Erling Smørgrav return fd;
724b7579f77SDag-Erling Smørgrav }
725b7579f77SDag-Erling Smørgrav
726b7579f77SDag-Erling Smørgrav /** setup SSL on the connection */
727b7579f77SDag-Erling Smørgrav static SSL*
setup_ssl(SSL_CTX * ctx,int fd)7287da0adf7SDag-Erling Smørgrav setup_ssl(SSL_CTX* ctx, int fd)
729b7579f77SDag-Erling Smørgrav {
730b7579f77SDag-Erling Smørgrav SSL* ssl;
731b7579f77SDag-Erling Smørgrav X509* x;
732b7579f77SDag-Erling Smørgrav int r;
733b7579f77SDag-Erling Smørgrav
7347da0adf7SDag-Erling Smørgrav if(!ctx) return NULL;
735b7579f77SDag-Erling Smørgrav ssl = SSL_new(ctx);
736b7579f77SDag-Erling Smørgrav if(!ssl)
737b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_new");
738b7579f77SDag-Erling Smørgrav SSL_set_connect_state(ssl);
7390eefd307SCy Schubert (void)SSL_set_mode(ssl, (long)SSL_MODE_AUTO_RETRY);
740b7579f77SDag-Erling Smørgrav if(!SSL_set_fd(ssl, fd))
741b7579f77SDag-Erling Smørgrav ssl_err("could not SSL_set_fd");
742b7579f77SDag-Erling Smørgrav while(1) {
743b7579f77SDag-Erling Smørgrav ERR_clear_error();
744b7579f77SDag-Erling Smørgrav if( (r=SSL_do_handshake(ssl)) == 1)
745b7579f77SDag-Erling Smørgrav break;
746b7579f77SDag-Erling Smørgrav r = SSL_get_error(ssl, r);
747b7579f77SDag-Erling Smørgrav if(r != SSL_ERROR_WANT_READ && r != SSL_ERROR_WANT_WRITE)
748b7579f77SDag-Erling Smørgrav ssl_err("SSL handshake failed");
749b7579f77SDag-Erling Smørgrav /* wants to be called again */
750b7579f77SDag-Erling Smørgrav }
751b7579f77SDag-Erling Smørgrav
752b7579f77SDag-Erling Smørgrav /* check authenticity of server */
753b7579f77SDag-Erling Smørgrav if(SSL_get_verify_result(ssl) != X509_V_OK)
754b7579f77SDag-Erling Smørgrav ssl_err("SSL verification failed");
755b7579f77SDag-Erling Smørgrav x = SSL_get_peer_certificate(ssl);
756b7579f77SDag-Erling Smørgrav if(!x)
757b7579f77SDag-Erling Smørgrav ssl_err("Server presented no peer certificate");
758b7579f77SDag-Erling Smørgrav X509_free(x);
75931099b50SDag-Erling Smørgrav
760b7579f77SDag-Erling Smørgrav return ssl;
761b7579f77SDag-Erling Smørgrav }
762b7579f77SDag-Erling Smørgrav
7637da0adf7SDag-Erling Smørgrav /** read from ssl or fd, fatalexit on error, 0 EOF, 1 success */
7647da0adf7SDag-Erling Smørgrav static int
remote_read(SSL * ssl,int fd,char * buf,size_t len)7657da0adf7SDag-Erling Smørgrav remote_read(SSL* ssl, int fd, char* buf, size_t len)
7667da0adf7SDag-Erling Smørgrav {
7677da0adf7SDag-Erling Smørgrav if(ssl) {
7687da0adf7SDag-Erling Smørgrav int r;
7697da0adf7SDag-Erling Smørgrav ERR_clear_error();
7707da0adf7SDag-Erling Smørgrav if((r = SSL_read(ssl, buf, (int)len-1)) <= 0) {
7717da0adf7SDag-Erling Smørgrav if(SSL_get_error(ssl, r) == SSL_ERROR_ZERO_RETURN) {
7727da0adf7SDag-Erling Smørgrav /* EOF */
7737da0adf7SDag-Erling Smørgrav return 0;
7747da0adf7SDag-Erling Smørgrav }
7757da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_read");
7767da0adf7SDag-Erling Smørgrav }
7777da0adf7SDag-Erling Smørgrav buf[r] = 0;
7787da0adf7SDag-Erling Smørgrav } else {
7797da0adf7SDag-Erling Smørgrav ssize_t rr = recv(fd, buf, len-1, 0);
7807da0adf7SDag-Erling Smørgrav if(rr <= 0) {
7817da0adf7SDag-Erling Smørgrav if(rr == 0) {
7827da0adf7SDag-Erling Smørgrav /* EOF */
7837da0adf7SDag-Erling Smørgrav return 0;
7847da0adf7SDag-Erling Smørgrav }
785c0caa2e2SCy Schubert fatal_exit("could not recv: %s", sock_strerror(errno));
7867da0adf7SDag-Erling Smørgrav }
7877da0adf7SDag-Erling Smørgrav buf[rr] = 0;
7887da0adf7SDag-Erling Smørgrav }
7897da0adf7SDag-Erling Smørgrav return 1;
7907da0adf7SDag-Erling Smørgrav }
7917da0adf7SDag-Erling Smørgrav
7927da0adf7SDag-Erling Smørgrav /** write to ssl or fd, fatalexit on error */
7937da0adf7SDag-Erling Smørgrav static void
remote_write(SSL * ssl,int fd,const char * buf,size_t len)7947da0adf7SDag-Erling Smørgrav remote_write(SSL* ssl, int fd, const char* buf, size_t len)
7957da0adf7SDag-Erling Smørgrav {
7967da0adf7SDag-Erling Smørgrav if(ssl) {
7977da0adf7SDag-Erling Smørgrav if(SSL_write(ssl, buf, (int)len) <= 0)
7987da0adf7SDag-Erling Smørgrav ssl_err("could not SSL_write");
7997da0adf7SDag-Erling Smørgrav } else {
8007da0adf7SDag-Erling Smørgrav if(send(fd, buf, len, 0) < (ssize_t)len) {
801c0caa2e2SCy Schubert fatal_exit("could not send: %s", sock_strerror(errno));
8027da0adf7SDag-Erling Smørgrav }
8037da0adf7SDag-Erling Smørgrav }
8047da0adf7SDag-Erling Smørgrav }
8057da0adf7SDag-Erling Smørgrav
8060eefd307SCy Schubert /** check args, to see if too many args. Because when a file is sent it
8070eefd307SCy Schubert * would wait for the terminal, and we can check for too many arguments,
8080eefd307SCy Schubert * eg. user put arguments on the commandline. */
8090eefd307SCy Schubert static void
check_args_for_listcmd(int argc,char * argv[])8100eefd307SCy Schubert check_args_for_listcmd(int argc, char* argv[])
8110eefd307SCy Schubert {
8120eefd307SCy Schubert if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 ||
8130eefd307SCy Schubert strcmp(argv[0], "local_zones_remove") == 0 ||
8140eefd307SCy Schubert strcmp(argv[0], "local_datas") == 0 ||
8150eefd307SCy Schubert strcmp(argv[0], "local_datas_remove") == 0) &&
8160eefd307SCy Schubert argc >= 2) {
8170eefd307SCy Schubert fatal_exit("too many arguments for command '%s', "
8180eefd307SCy Schubert "content is piped in from stdin", argv[0]);
8190eefd307SCy Schubert }
820091e9e46SCy Schubert if(argc >= 1 && (strcmp(argv[0], "view_local_datas") == 0 ||
821091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0) &&
8220eefd307SCy Schubert argc >= 3) {
8230eefd307SCy Schubert fatal_exit("too many arguments for command '%s', "
8240eefd307SCy Schubert "content is piped in from stdin", argv[0]);
8250eefd307SCy Schubert }
8260eefd307SCy Schubert }
8270eefd307SCy Schubert
828b7579f77SDag-Erling Smørgrav /** send stdin to server */
829b7579f77SDag-Erling Smørgrav static void
send_file(SSL * ssl,int fd,FILE * in,char * buf,size_t sz)8307da0adf7SDag-Erling Smørgrav send_file(SSL* ssl, int fd, FILE* in, char* buf, size_t sz)
831b7579f77SDag-Erling Smørgrav {
832b7579f77SDag-Erling Smørgrav while(fgets(buf, (int)sz, in)) {
8337da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, buf, strlen(buf));
834b7579f77SDag-Erling Smørgrav }
835b7579f77SDag-Erling Smørgrav }
836b7579f77SDag-Erling Smørgrav
837bc892140SDag-Erling Smørgrav /** send end-of-file marker to server */
838bc892140SDag-Erling Smørgrav static void
send_eof(SSL * ssl,int fd)8397da0adf7SDag-Erling Smørgrav send_eof(SSL* ssl, int fd)
840bc892140SDag-Erling Smørgrav {
841bc892140SDag-Erling Smørgrav char e[] = {0x04, 0x0a};
8427da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, e, sizeof(e));
843bc892140SDag-Erling Smørgrav }
844bc892140SDag-Erling Smørgrav
845b7579f77SDag-Erling Smørgrav /** send command and display result */
846b7579f77SDag-Erling Smørgrav static int
go_cmd(SSL * ssl,int fd,int quiet,int argc,char * argv[])8477da0adf7SDag-Erling Smørgrav go_cmd(SSL* ssl, int fd, int quiet, int argc, char* argv[])
848b7579f77SDag-Erling Smørgrav {
849b7579f77SDag-Erling Smørgrav char pre[10];
850b7579f77SDag-Erling Smørgrav const char* space=" ";
851b7579f77SDag-Erling Smørgrav const char* newline="\n";
852b7579f77SDag-Erling Smørgrav int was_error = 0, first_line = 1;
8537da0adf7SDag-Erling Smørgrav int i;
854b7579f77SDag-Erling Smørgrav char buf[1024];
855b7579f77SDag-Erling Smørgrav snprintf(pre, sizeof(pre), "UBCT%d ", UNBOUND_CONTROL_VERSION);
8567da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, pre, strlen(pre));
857b7579f77SDag-Erling Smørgrav for(i=0; i<argc; i++) {
8587da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, space, strlen(space));
8597da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, argv[i], strlen(argv[i]));
860b7579f77SDag-Erling Smørgrav }
8617da0adf7SDag-Erling Smørgrav remote_write(ssl, fd, newline, strlen(newline));
862b7579f77SDag-Erling Smørgrav
863b7579f77SDag-Erling Smørgrav if(argc == 1 && strcmp(argv[0], "load_cache") == 0) {
8647da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf));
865b7579f77SDag-Erling Smørgrav }
866e86b9096SDag-Erling Smørgrav else if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 ||
867bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_zones_remove") == 0 ||
868bc892140SDag-Erling Smørgrav strcmp(argv[0], "local_datas") == 0 ||
869e86b9096SDag-Erling Smørgrav strcmp(argv[0], "view_local_datas") == 0 ||
870091e9e46SCy Schubert strcmp(argv[0], "local_datas_remove") == 0 ||
871091e9e46SCy Schubert strcmp(argv[0], "view_local_datas_remove") == 0)) {
8727da0adf7SDag-Erling Smørgrav send_file(ssl, fd, stdin, buf, sizeof(buf));
8737da0adf7SDag-Erling Smørgrav send_eof(ssl, fd);
874bc892140SDag-Erling Smørgrav }
875b7579f77SDag-Erling Smørgrav
876b7579f77SDag-Erling Smørgrav while(1) {
8777da0adf7SDag-Erling Smørgrav if(remote_read(ssl, fd, buf, sizeof(buf)) == 0) {
8787da0adf7SDag-Erling Smørgrav break; /* EOF */
879b7579f77SDag-Erling Smørgrav }
8808ed2b524SDag-Erling Smørgrav if(first_line && strncmp(buf, "error", 5) == 0) {
881b7579f77SDag-Erling Smørgrav printf("%s", buf);
882b7579f77SDag-Erling Smørgrav was_error = 1;
883a39a5a69SCy Schubert } else if(!quiet) {
8848ed2b524SDag-Erling Smørgrav printf("%s", buf);
885a39a5a69SCy Schubert }
8868ed2b524SDag-Erling Smørgrav
887b7579f77SDag-Erling Smørgrav first_line = 0;
888b7579f77SDag-Erling Smørgrav }
889b7579f77SDag-Erling Smørgrav return was_error;
890b7579f77SDag-Erling Smørgrav }
891b7579f77SDag-Erling Smørgrav
892b7579f77SDag-Erling Smørgrav /** go ahead and read config, contact server and perform command and display */
893b7579f77SDag-Erling Smørgrav static int
go(const char * cfgfile,char * svr,int quiet,int argc,char * argv[])8948ed2b524SDag-Erling Smørgrav go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[])
895b7579f77SDag-Erling Smørgrav {
896b7579f77SDag-Erling Smørgrav struct config_file* cfg;
897b7579f77SDag-Erling Smørgrav int fd, ret;
898b7579f77SDag-Erling Smørgrav SSL_CTX* ctx;
899b7579f77SDag-Erling Smørgrav SSL* ssl;
900b7579f77SDag-Erling Smørgrav
901b7579f77SDag-Erling Smørgrav /* read config */
902b7579f77SDag-Erling Smørgrav if(!(cfg = config_create()))
903b7579f77SDag-Erling Smørgrav fatal_exit("out of memory");
904b7579f77SDag-Erling Smørgrav if(!config_read(cfg, cfgfile, NULL))
905b7579f77SDag-Erling Smørgrav fatal_exit("could not read config file");
906b7579f77SDag-Erling Smørgrav if(!cfg->remote_control_enable)
907b7579f77SDag-Erling Smørgrav log_warn("control-enable is 'no' in the config file.");
90805ab2901SDag-Erling Smørgrav #ifdef UB_ON_WINDOWS
90905ab2901SDag-Erling Smørgrav w_config_adjust_directory(cfg);
91005ab2901SDag-Erling Smørgrav #endif
911b7579f77SDag-Erling Smørgrav ctx = setup_ctx(cfg);
912b7579f77SDag-Erling Smørgrav
913b7579f77SDag-Erling Smørgrav /* contact server */
914b7579f77SDag-Erling Smørgrav fd = contact_server(svr, cfg, argc>0&&strcmp(argv[0],"status")==0);
9157da0adf7SDag-Erling Smørgrav ssl = setup_ssl(ctx, fd);
916b7579f77SDag-Erling Smørgrav
917b7579f77SDag-Erling Smørgrav /* send command */
9187da0adf7SDag-Erling Smørgrav ret = go_cmd(ssl, fd, quiet, argc, argv);
919b7579f77SDag-Erling Smørgrav
9207da0adf7SDag-Erling Smørgrav if(ssl) SSL_free(ssl);
921c0caa2e2SCy Schubert sock_close(fd);
9227da0adf7SDag-Erling Smørgrav if(ctx) SSL_CTX_free(ctx);
923b7579f77SDag-Erling Smørgrav config_delete(cfg);
924b7579f77SDag-Erling Smørgrav return ret;
925b7579f77SDag-Erling Smørgrav }
926b7579f77SDag-Erling Smørgrav
927b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */
928b7579f77SDag-Erling Smørgrav extern int optind;
929b7579f77SDag-Erling Smørgrav /** getopt global, in case header files fail to declare it. */
930b7579f77SDag-Erling Smørgrav extern char* optarg;
931b7579f77SDag-Erling Smørgrav
932b7579f77SDag-Erling Smørgrav /** Main routine for unbound-control */
main(int argc,char * argv[])933b7579f77SDag-Erling Smørgrav int main(int argc, char* argv[])
934b7579f77SDag-Erling Smørgrav {
935b7579f77SDag-Erling Smørgrav int c, ret;
9368ed2b524SDag-Erling Smørgrav int quiet = 0;
937b7579f77SDag-Erling Smørgrav const char* cfgfile = CONFIGFILE;
938b7579f77SDag-Erling Smørgrav char* svr = NULL;
939b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK
940b7579f77SDag-Erling Smørgrav int r;
941b7579f77SDag-Erling Smørgrav WSADATA wsa_data;
942b7579f77SDag-Erling Smørgrav #endif
943b7579f77SDag-Erling Smørgrav #ifdef USE_THREAD_DEBUG
9448a384985SDag-Erling Smørgrav /* stop the file output from unbound-control, overwrites the servers */
945b7579f77SDag-Erling Smørgrav extern int check_locking_order;
946b7579f77SDag-Erling Smørgrav check_locking_order = 0;
947b7579f77SDag-Erling Smørgrav #endif /* USE_THREAD_DEBUG */
94824e36522SCy Schubert checklock_start();
949b7579f77SDag-Erling Smørgrav log_ident_set("unbound-control");
950b7579f77SDag-Erling Smørgrav log_init(NULL, 0, NULL);
951b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK
952b7579f77SDag-Erling Smørgrav /* use registry config file in preference to compiletime location */
953b7579f77SDag-Erling Smørgrav if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile")))
954b7579f77SDag-Erling Smørgrav cfgfile = CONFIGFILE;
955b7579f77SDag-Erling Smørgrav #endif
95665b390aaSDag-Erling Smørgrav /* parse the options */
95765b390aaSDag-Erling Smørgrav while( (c=getopt(argc, argv, "c:s:qh")) != -1) {
95865b390aaSDag-Erling Smørgrav switch(c) {
95965b390aaSDag-Erling Smørgrav case 'c':
96065b390aaSDag-Erling Smørgrav cfgfile = optarg;
96165b390aaSDag-Erling Smørgrav break;
96265b390aaSDag-Erling Smørgrav case 's':
96365b390aaSDag-Erling Smørgrav svr = optarg;
96465b390aaSDag-Erling Smørgrav break;
96565b390aaSDag-Erling Smørgrav case 'q':
96665b390aaSDag-Erling Smørgrav quiet = 1;
96765b390aaSDag-Erling Smørgrav break;
96865b390aaSDag-Erling Smørgrav case '?':
96965b390aaSDag-Erling Smørgrav case 'h':
97065b390aaSDag-Erling Smørgrav default:
97165b390aaSDag-Erling Smørgrav usage();
97265b390aaSDag-Erling Smørgrav }
97365b390aaSDag-Erling Smørgrav }
97465b390aaSDag-Erling Smørgrav argc -= optind;
97565b390aaSDag-Erling Smørgrav argv += optind;
97665b390aaSDag-Erling Smørgrav if(argc == 0)
97765b390aaSDag-Erling Smørgrav usage();
97865b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "start")==0) {
979c0caa2e2SCy Schubert #if (defined(TARGET_OS_TV) && TARGET_OS_TV) || (defined(TARGET_OS_WATCH) && TARGET_OS_WATCH)
98025039b37SCy Schubert fatal_exit("could not exec unbound: %s",
98125039b37SCy Schubert strerror(ENOSYS));
98225039b37SCy Schubert #else
98365b390aaSDag-Erling Smørgrav if(execlp("unbound", "unbound", "-c", cfgfile,
98465b390aaSDag-Erling Smørgrav (char*)NULL) < 0) {
98565b390aaSDag-Erling Smørgrav fatal_exit("could not exec unbound: %s",
98665b390aaSDag-Erling Smørgrav strerror(errno));
98765b390aaSDag-Erling Smørgrav }
98825039b37SCy Schubert #endif
98965b390aaSDag-Erling Smørgrav }
99065b390aaSDag-Erling Smørgrav if(argc >= 1 && strcmp(argv[0], "stats_shm")==0) {
991a39a5a69SCy Schubert print_stats_shm(cfgfile, quiet);
99265b390aaSDag-Erling Smørgrav return 0;
99365b390aaSDag-Erling Smørgrav }
9940eefd307SCy Schubert check_args_for_listcmd(argc, argv);
99565b390aaSDag-Erling Smørgrav
99665b390aaSDag-Erling Smørgrav #ifdef USE_WINSOCK
99765b390aaSDag-Erling Smørgrav if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0)
99865b390aaSDag-Erling Smørgrav fatal_exit("WSAStartup failed: %s", wsa_strerror(r));
99965b390aaSDag-Erling Smørgrav #endif
1000b7579f77SDag-Erling Smørgrav
1001b5663de9SDag-Erling Smørgrav #ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
1002b7579f77SDag-Erling Smørgrav ERR_load_crypto_strings();
1003b5663de9SDag-Erling Smørgrav #endif
1004971980c3SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
1005b7579f77SDag-Erling Smørgrav ERR_load_SSL_strings();
1006971980c3SDag-Erling Smørgrav #endif
1007b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
10080eefd307SCy Schubert # ifndef S_SPLINT_S
1009b7579f77SDag-Erling Smørgrav OpenSSL_add_all_algorithms();
10100eefd307SCy Schubert # endif
1011b5663de9SDag-Erling Smørgrav #else
1012b5663de9SDag-Erling Smørgrav OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
1013b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_ADD_ALL_DIGESTS
1014b5663de9SDag-Erling Smørgrav | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
1015b5663de9SDag-Erling Smørgrav #endif
1016b5663de9SDag-Erling Smørgrav #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
1017b7579f77SDag-Erling Smørgrav (void)SSL_library_init();
1018b5663de9SDag-Erling Smørgrav #else
1019971980c3SDag-Erling Smørgrav (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
1020b5663de9SDag-Erling Smørgrav #endif
1021b7579f77SDag-Erling Smørgrav
1022b7579f77SDag-Erling Smørgrav if(!RAND_status()) {
1023b7579f77SDag-Erling Smørgrav /* try to seed it */
1024b7579f77SDag-Erling Smørgrav unsigned char buf[256];
10258ed2b524SDag-Erling Smørgrav unsigned int seed=(unsigned)time(NULL) ^ (unsigned)getpid();
10268ed2b524SDag-Erling Smørgrav unsigned int v = seed;
1027b7579f77SDag-Erling Smørgrav size_t i;
1028b7579f77SDag-Erling Smørgrav for(i=0; i<256/sizeof(v); i++) {
1029b7579f77SDag-Erling Smørgrav memmove(buf+i*sizeof(v), &v, sizeof(v));
1030b7579f77SDag-Erling Smørgrav v = v*seed + (unsigned int)i;
1031b7579f77SDag-Erling Smørgrav }
1032b7579f77SDag-Erling Smørgrav RAND_seed(buf, 256);
1033b7579f77SDag-Erling Smørgrav log_warn("no entropy, seeding openssl PRNG with time\n");
1034b7579f77SDag-Erling Smørgrav }
1035b7579f77SDag-Erling Smørgrav
10368ed2b524SDag-Erling Smørgrav ret = go(cfgfile, svr, quiet, argc, argv);
1037b7579f77SDag-Erling Smørgrav
1038b7579f77SDag-Erling Smørgrav #ifdef USE_WINSOCK
1039b7579f77SDag-Erling Smørgrav WSACleanup();
1040b7579f77SDag-Erling Smørgrav #endif
1041b7579f77SDag-Erling Smørgrav checklock_stop();
1042b7579f77SDag-Erling Smørgrav return ret;
1043b7579f77SDag-Erling Smørgrav }
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