Merge commit 'd57351465531b38689892ec862de2725b52842dd' into unbound/main2 MFC after: 1 month
1049 lines
32 KiB
C
1049 lines
32 KiB
C
/*
|
|
* smallapp/unbound-control.c - remote control utility for unbound.
|
|
*
|
|
* Copyright (c) 2008, NLnet Labs. All rights reserved.
|
|
*
|
|
* This software is open source.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* Neither the name of the NLNET LABS nor the names of its contributors may
|
|
* be used to endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
|
|
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* The remote control utility contacts the unbound server over ssl and
|
|
* sends the command, receives the answer, and displays the result
|
|
* from the commandline.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#ifdef HAVE_GETOPT_H
|
|
#include <getopt.h>
|
|
#endif
|
|
#ifdef HAVE_OPENSSL_SSL_H
|
|
#include <openssl/ssl.h>
|
|
#endif
|
|
#ifdef HAVE_OPENSSL_ERR_H
|
|
#include <openssl/err.h>
|
|
#endif
|
|
#ifdef HAVE_OPENSSL_RAND_H
|
|
#include <openssl/rand.h>
|
|
#endif
|
|
#include "util/log.h"
|
|
#include "util/config_file.h"
|
|
#include "util/locks.h"
|
|
#include "util/net_help.h"
|
|
#include "util/shm_side/shm_main.h"
|
|
#include "daemon/stats.h"
|
|
#include "sldns/wire2str.h"
|
|
#include "sldns/pkthdr.h"
|
|
#include "services/rpz.h"
|
|
#include "services/listen_dnsport.h"
|
|
|
|
#ifdef HAVE_SYS_IPC_H
|
|
#include "sys/ipc.h"
|
|
#endif
|
|
#ifdef HAVE_SYS_SHM_H
|
|
#include "sys/shm.h"
|
|
#endif
|
|
#ifdef HAVE_SYS_UN_H
|
|
#include <sys/un.h>
|
|
#endif
|
|
|
|
#ifdef HAVE_TARGETCONDITIONALS_H
|
|
#include <TargetConditionals.h>
|
|
#endif
|
|
|
|
static void usage(void) ATTR_NORETURN;
|
|
static void ssl_err(const char* s) ATTR_NORETURN;
|
|
static void ssl_path_err(const char* s, const char *path) ATTR_NORETURN;
|
|
|
|
/** timeout to wait for connection over stream, in msec */
|
|
#define UNBOUND_CONTROL_CONNECT_TIMEOUT 5000
|
|
|
|
/** Give unbound-control usage, and exit (1). */
|
|
static void
|
|
usage(void)
|
|
{
|
|
printf("Usage: local-unbound-control [options] command\n");
|
|
printf(" Remote control utility for unbound server.\n");
|
|
printf("Options:\n");
|
|
printf(" -c file config file, default is %s\n", CONFIGFILE);
|
|
printf(" -s ip[@port] server address, if omitted config is used.\n");
|
|
printf(" -q quiet (don't print anything if it works ok).\n");
|
|
printf(" -h show this usage help.\n");
|
|
printf("Commands:\n");
|
|
printf(" start start server; runs unbound(8)\n");
|
|
printf(" stop stops the server\n");
|
|
printf(" reload reloads the server\n");
|
|
printf(" (this flushes data, stats, requestlist)\n");
|
|
printf(" stats print statistics\n");
|
|
printf(" stats_noreset peek at statistics\n");
|
|
#ifdef HAVE_SHMGET
|
|
printf(" stats_shm print statistics using shm\n");
|
|
#endif
|
|
printf(" status display status of server\n");
|
|
printf(" verbosity <number> change logging detail\n");
|
|
printf(" log_reopen close and open the logfile\n");
|
|
printf(" local_zone <name> <type> add new local zone\n");
|
|
printf(" local_zone_remove <name> remove local zone and its contents\n");
|
|
printf(" local_data <RR data...> add local data, for example\n");
|
|
printf(" local_data www.example.com A 192.0.2.1\n");
|
|
printf(" local_data_remove <name> remove local RR data from name\n");
|
|
printf(" local_zones, local_zones_remove, local_datas, local_datas_remove\n");
|
|
printf(" same, but read list from stdin\n");
|
|
printf(" (one entry per line).\n");
|
|
printf(" dump_cache print cache to stdout\n");
|
|
printf(" load_cache load cache from stdin\n");
|
|
printf(" lookup <name> print nameservers for name\n");
|
|
printf(" flush <name> flushes common types for name from cache\n");
|
|
printf(" types: A, AAAA, MX, PTR, NS,\n");
|
|
printf(" SOA, CNAME, DNAME, SRV, NAPTR\n");
|
|
printf(" flush_type <name> <type> flush name, type from cache\n");
|
|
printf(" flush_zone <name> flush everything at or under name\n");
|
|
printf(" from rr and dnssec caches\n");
|
|
printf(" flush_bogus flush all bogus data\n");
|
|
printf(" flush_negative flush all negative data\n");
|
|
printf(" flush_stats flush statistics, make zero\n");
|
|
printf(" flush_requestlist drop queries that are worked on\n");
|
|
printf(" dump_requestlist show what is worked on by first thread\n");
|
|
printf(" flush_infra [all | ip] remove ping, edns for one IP or all\n");
|
|
printf(" dump_infra show ping and edns entries\n");
|
|
printf(" set_option opt: val set option to value, no reload\n");
|
|
printf(" get_option opt get option value\n");
|
|
printf(" list_stubs list stub-zones and root hints in use\n");
|
|
printf(" list_forwards list forward-zones in use\n");
|
|
printf(" list_insecure list domain-insecure zones\n");
|
|
printf(" list_local_zones list local-zones in use\n");
|
|
printf(" list_local_data list local-data RRs in use\n");
|
|
printf(" insecure_add zone add domain-insecure zone\n");
|
|
printf(" insecure_remove zone remove domain-insecure zone\n");
|
|
printf(" forward_add [+i] zone addr.. add forward-zone with servers\n");
|
|
printf(" forward_remove [+i] zone remove forward zone\n");
|
|
printf(" stub_add [+ip] zone addr.. add stub-zone with servers\n");
|
|
printf(" stub_remove [+i] zone remove stub zone\n");
|
|
printf(" +i also do dnssec insecure point\n");
|
|
printf(" +p set stub to use priming\n");
|
|
printf(" forward [off | addr ...] without arg show forward setup\n");
|
|
printf(" or off to turn off root forwarding\n");
|
|
printf(" or give list of ip addresses\n");
|
|
printf(" ratelimit_list [+a] list ratelimited domains\n");
|
|
printf(" ip_ratelimit_list [+a] list ratelimited ip addresses\n");
|
|
printf(" +a list all, also not ratelimited\n");
|
|
printf(" list_auth_zones list auth zones (includes RPZ zones)\n");
|
|
printf(" auth_zone_reload zone reload auth zone (or RPZ zone) from zonefile\n");
|
|
printf(" auth_zone_transfer zone transfer auth zone (or RPZ zone) from master\n");
|
|
printf(" view_list_local_zones view list local-zones in view\n");
|
|
printf(" view_list_local_data view list local-data RRs in view\n");
|
|
printf(" view_local_zone view name type add local-zone in view\n");
|
|
printf(" view_local_zone_remove view name remove local-zone in view\n");
|
|
printf(" view_local_data view RR... add local-data in view\n");
|
|
printf(" view_local_datas view add list of local-data to view\n");
|
|
printf(" one entry per line read from stdin\n");
|
|
printf(" view_local_data_remove view name remove local-data in view\n");
|
|
printf(" view_local_datas_remove view remove list of local-data from view\n");
|
|
printf(" one entry per line read from stdin\n");
|
|
printf(" rpz_enable zone Enable the RPZ zone if it had previously\n");
|
|
printf(" been disabled\n");
|
|
printf(" rpz_disable zone Disable the RPZ zone\n");
|
|
printf("Version %s\n", PACKAGE_VERSION);
|
|
printf("BSD licensed, see LICENSE in source package for details.\n");
|
|
printf("Report bugs to %s\n", PACKAGE_BUGREPORT);
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef HAVE_SHMGET
|
|
/** what to put on statistics lines between var and value, ": " or "=" */
|
|
#define SQ "="
|
|
/** if true, inhibits a lot of =0 lines from the stats output */
|
|
static const int inhibit_zero = 1;
|
|
/** divide sum of timers to get average */
|
|
static void
|
|
timeval_divide(struct timeval* avg, const struct timeval* sum, long long d)
|
|
{
|
|
#ifndef S_SPLINT_S
|
|
size_t leftover;
|
|
if(d <= 0) {
|
|
avg->tv_sec = 0;
|
|
avg->tv_usec = 0;
|
|
return;
|
|
}
|
|
avg->tv_sec = sum->tv_sec / d;
|
|
avg->tv_usec = sum->tv_usec / d;
|
|
/* handle fraction from seconds divide */
|
|
leftover = sum->tv_sec - avg->tv_sec*d;
|
|
if(leftover <= 0)
|
|
leftover = 0;
|
|
avg->tv_usec += (((long long)leftover)*((long long)1000000))/d;
|
|
if(avg->tv_sec < 0)
|
|
avg->tv_sec = 0;
|
|
if(avg->tv_usec < 0)
|
|
avg->tv_usec = 0;
|
|
#endif
|
|
}
|
|
|
|
/** print unsigned long stats value */
|
|
#define PR_UL_NM(str, var) printf("%s."str SQ"%lu\n", nm, (unsigned long)(var));
|
|
#define PR_UL(str, var) printf(str SQ"%lu\n", (unsigned long)(var));
|
|
#define PR_UL_SUB(str, nm, var) printf(str".%s"SQ"%lu\n", nm, (unsigned long)(var));
|
|
#define PR_TIMEVAL(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \
|
|
(long long)var.tv_sec, (int)var.tv_usec);
|
|
#define PR_STATSTIME(str, var) printf(str SQ ARG_LL "d.%6.6d\n", \
|
|
(long long)var ## _sec, (int)var ## _usec);
|
|
#define PR_LL(str, var) printf(str SQ ARG_LL"d\n", (long long)(var));
|
|
|
|
/** print stat block */
|
|
static void pr_stats(const char* nm, struct ub_stats_info* s)
|
|
{
|
|
struct timeval sumwait, avg;
|
|
PR_UL_NM("num.queries", s->svr.num_queries);
|
|
PR_UL_NM("num.queries_ip_ratelimited",
|
|
s->svr.num_queries_ip_ratelimited);
|
|
PR_UL_NM("num.cachehits",
|
|
s->svr.num_queries - s->svr.num_queries_missed_cache);
|
|
PR_UL_NM("num.cachemiss", s->svr.num_queries_missed_cache);
|
|
PR_UL_NM("num.prefetch", s->svr.num_queries_prefetch);
|
|
PR_UL_NM("num.expired", s->svr.ans_expired);
|
|
PR_UL_NM("num.recursivereplies", s->mesh_replies_sent);
|
|
#ifdef USE_DNSCRYPT
|
|
PR_UL_NM("num.dnscrypt.crypted", s->svr.num_query_dnscrypt_crypted);
|
|
PR_UL_NM("num.dnscrypt.cert", s->svr.num_query_dnscrypt_cert);
|
|
PR_UL_NM("num.dnscrypt.cleartext", s->svr.num_query_dnscrypt_cleartext);
|
|
PR_UL_NM("num.dnscrypt.malformed",
|
|
s->svr.num_query_dnscrypt_crypted_malformed);
|
|
#endif /* USE_DNSCRYPT */
|
|
printf("%s.requestlist.avg"SQ"%g\n", nm,
|
|
(s->svr.num_queries_missed_cache+s->svr.num_queries_prefetch)?
|
|
(double)s->svr.sum_query_list_size/
|
|
(double)(s->svr.num_queries_missed_cache+
|
|
s->svr.num_queries_prefetch) : 0.0);
|
|
PR_UL_NM("requestlist.max", s->svr.max_query_list_size);
|
|
PR_UL_NM("requestlist.overwritten", s->mesh_jostled);
|
|
PR_UL_NM("requestlist.exceeded", s->mesh_dropped);
|
|
PR_UL_NM("requestlist.current.all", s->mesh_num_states);
|
|
PR_UL_NM("requestlist.current.user", s->mesh_num_reply_states);
|
|
#ifndef S_SPLINT_S
|
|
sumwait.tv_sec = s->mesh_replies_sum_wait_sec;
|
|
sumwait.tv_usec = s->mesh_replies_sum_wait_usec;
|
|
#endif
|
|
timeval_divide(&avg, &sumwait, s->mesh_replies_sent);
|
|
printf("%s.", nm);
|
|
PR_TIMEVAL("recursion.time.avg", avg);
|
|
printf("%s.recursion.time.median"SQ"%g\n", nm, s->mesh_time_median);
|
|
PR_UL_NM("tcpusage", s->svr.tcp_accept_usage);
|
|
}
|
|
|
|
/** print uptime */
|
|
static void print_uptime(struct ub_shm_stat_info* shm_stat)
|
|
{
|
|
PR_STATSTIME("time.now", shm_stat->time.now);
|
|
PR_STATSTIME("time.up", shm_stat->time.up);
|
|
PR_STATSTIME("time.elapsed", shm_stat->time.elapsed);
|
|
}
|
|
|
|
/** print memory usage */
|
|
static void print_mem(struct ub_shm_stat_info* shm_stat,
|
|
struct ub_stats_info* s)
|
|
{
|
|
PR_LL("mem.cache.rrset", shm_stat->mem.rrset);
|
|
PR_LL("mem.cache.message", shm_stat->mem.msg);
|
|
PR_LL("mem.mod.iterator", shm_stat->mem.iter);
|
|
PR_LL("mem.mod.validator", shm_stat->mem.val);
|
|
PR_LL("mem.mod.respip", shm_stat->mem.respip);
|
|
#ifdef CLIENT_SUBNET
|
|
PR_LL("mem.mod.subnet", shm_stat->mem.subnet);
|
|
#endif
|
|
#ifdef USE_IPSECMOD
|
|
PR_LL("mem.mod.ipsecmod", shm_stat->mem.ipsecmod);
|
|
#endif
|
|
#ifdef WITH_DYNLIBMODULE
|
|
PR_LL("mem.mod.dynlib", shm_stat->mem.dynlib);
|
|
#endif
|
|
#ifdef USE_DNSCRYPT
|
|
PR_LL("mem.cache.dnscrypt_shared_secret",
|
|
shm_stat->mem.dnscrypt_shared_secret);
|
|
PR_LL("mem.cache.dnscrypt_nonce",
|
|
shm_stat->mem.dnscrypt_nonce);
|
|
#endif
|
|
PR_LL("mem.streamwait", s->svr.mem_stream_wait);
|
|
PR_LL("mem.http.query_buffer", s->svr.mem_http2_query_buffer);
|
|
PR_LL("mem.http.response_buffer", s->svr.mem_http2_response_buffer);
|
|
}
|
|
|
|
/** print histogram */
|
|
static void print_hist(struct ub_stats_info* s)
|
|
{
|
|
struct timehist* hist;
|
|
size_t i;
|
|
hist = timehist_setup();
|
|
if(!hist)
|
|
fatal_exit("out of memory");
|
|
timehist_import(hist, s->svr.hist, NUM_BUCKETS_HIST);
|
|
for(i=0; i<hist->num; i++) {
|
|
printf("histogram.%6.6d.%6.6d.to.%6.6d.%6.6d=%lu\n",
|
|
(int)hist->buckets[i].lower.tv_sec,
|
|
(int)hist->buckets[i].lower.tv_usec,
|
|
(int)hist->buckets[i].upper.tv_sec,
|
|
(int)hist->buckets[i].upper.tv_usec,
|
|
(unsigned long)hist->buckets[i].count);
|
|
}
|
|
timehist_delete(hist);
|
|
}
|
|
|
|
/** print extended */
|
|
static void print_extended(struct ub_stats_info* s)
|
|
{
|
|
int i;
|
|
char nm[16];
|
|
|
|
/* TYPE */
|
|
for(i=0; i<UB_STATS_QTYPE_NUM; i++) {
|
|
if(inhibit_zero && s->svr.qtype[i] == 0)
|
|
continue;
|
|
sldns_wire2str_type_buf((uint16_t)i, nm, sizeof(nm));
|
|
PR_UL_SUB("num.query.type", nm, s->svr.qtype[i]);
|
|
}
|
|
if(!inhibit_zero || s->svr.qtype_big) {
|
|
PR_UL("num.query.type.other", s->svr.qtype_big);
|
|
}
|
|
|
|
/* CLASS */
|
|
for(i=0; i<UB_STATS_QCLASS_NUM; i++) {
|
|
if(inhibit_zero && s->svr.qclass[i] == 0)
|
|
continue;
|
|
sldns_wire2str_class_buf((uint16_t)i, nm, sizeof(nm));
|
|
PR_UL_SUB("num.query.class", nm, s->svr.qclass[i]);
|
|
}
|
|
if(!inhibit_zero || s->svr.qclass_big) {
|
|
PR_UL("num.query.class.other", s->svr.qclass_big);
|
|
}
|
|
|
|
/* OPCODE */
|
|
for(i=0; i<UB_STATS_OPCODE_NUM; i++) {
|
|
if(inhibit_zero && s->svr.qopcode[i] == 0)
|
|
continue;
|
|
sldns_wire2str_opcode_buf(i, nm, sizeof(nm));
|
|
PR_UL_SUB("num.query.opcode", nm, s->svr.qopcode[i]);
|
|
}
|
|
|
|
/* transport */
|
|
PR_UL("num.query.tcp", s->svr.qtcp);
|
|
PR_UL("num.query.tcpout", s->svr.qtcp_outgoing);
|
|
PR_UL("num.query.udpout", s->svr.qudp_outgoing);
|
|
PR_UL("num.query.tls", s->svr.qtls);
|
|
PR_UL("num.query.tls_resume", s->svr.qtls_resume);
|
|
PR_UL("num.query.ipv6", s->svr.qipv6);
|
|
PR_UL("num.query.https", s->svr.qhttps);
|
|
|
|
/* flags */
|
|
PR_UL("num.query.flags.QR", s->svr.qbit_QR);
|
|
PR_UL("num.query.flags.AA", s->svr.qbit_AA);
|
|
PR_UL("num.query.flags.TC", s->svr.qbit_TC);
|
|
PR_UL("num.query.flags.RD", s->svr.qbit_RD);
|
|
PR_UL("num.query.flags.RA", s->svr.qbit_RA);
|
|
PR_UL("num.query.flags.Z", s->svr.qbit_Z);
|
|
PR_UL("num.query.flags.AD", s->svr.qbit_AD);
|
|
PR_UL("num.query.flags.CD", s->svr.qbit_CD);
|
|
PR_UL("num.query.edns.present", s->svr.qEDNS);
|
|
PR_UL("num.query.edns.DO", s->svr.qEDNS_DO);
|
|
|
|
/* RCODE */
|
|
for(i=0; i<UB_STATS_RCODE_NUM; i++) {
|
|
/* Always include RCODEs 0-5 */
|
|
if(inhibit_zero && i > LDNS_RCODE_REFUSED && s->svr.ans_rcode[i] == 0)
|
|
continue;
|
|
sldns_wire2str_rcode_buf(i, nm, sizeof(nm));
|
|
PR_UL_SUB("num.answer.rcode", nm, s->svr.ans_rcode[i]);
|
|
}
|
|
if(!inhibit_zero || s->svr.ans_rcode_nodata) {
|
|
PR_UL("num.answer.rcode.nodata", s->svr.ans_rcode_nodata);
|
|
}
|
|
/* iteration */
|
|
PR_UL("num.query.ratelimited", s->svr.queries_ratelimited);
|
|
/* validation */
|
|
PR_UL("num.answer.secure", s->svr.ans_secure);
|
|
PR_UL("num.answer.bogus", s->svr.ans_bogus);
|
|
PR_UL("num.rrset.bogus", s->svr.rrset_bogus);
|
|
PR_UL("num.query.aggressive.NOERROR", s->svr.num_neg_cache_noerror);
|
|
PR_UL("num.query.aggressive.NXDOMAIN", s->svr.num_neg_cache_nxdomain);
|
|
/* threat detection */
|
|
PR_UL("unwanted.queries", s->svr.unwanted_queries);
|
|
PR_UL("unwanted.replies", s->svr.unwanted_replies);
|
|
/* cache counts */
|
|
PR_UL("msg.cache.count", s->svr.msg_cache_count);
|
|
PR_UL("rrset.cache.count", s->svr.rrset_cache_count);
|
|
PR_UL("infra.cache.count", s->svr.infra_cache_count);
|
|
PR_UL("key.cache.count", s->svr.key_cache_count);
|
|
/* applied RPZ actions */
|
|
for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) {
|
|
if(i == RPZ_NO_OVERRIDE_ACTION)
|
|
continue;
|
|
if(inhibit_zero && s->svr.rpz_action[i] == 0)
|
|
continue;
|
|
PR_UL_SUB("num.rpz.action", rpz_action_to_string(i), s->svr.rpz_action[i]);
|
|
}
|
|
#ifdef USE_DNSCRYPT
|
|
PR_UL("dnscrypt_shared_secret.cache.count",
|
|
s->svr.shared_secret_cache_count);
|
|
PR_UL("num.query.dnscrypt.shared_secret.cachemiss",
|
|
s->svr.num_query_dnscrypt_secret_missed_cache);
|
|
PR_UL("dnscrypt_nonce.cache.count", s->svr.nonce_cache_count);
|
|
PR_UL("num.query.dnscrypt.replay",
|
|
s->svr.num_query_dnscrypt_replay);
|
|
#endif /* USE_DNSCRYPT */
|
|
PR_UL("num.query.authzone.up", s->svr.num_query_authzone_up);
|
|
PR_UL("num.query.authzone.down", s->svr.num_query_authzone_down);
|
|
#ifdef CLIENT_SUBNET
|
|
PR_UL("num.query.subnet", s->svr.num_query_subnet);
|
|
PR_UL("num.query.subnet_cache", s->svr.num_query_subnet_cache);
|
|
#endif
|
|
}
|
|
|
|
/** print statistics out of memory structures */
|
|
static void do_stats_shm(struct config_file* cfg, struct ub_stats_info* stats,
|
|
struct ub_shm_stat_info* shm_stat)
|
|
{
|
|
int i;
|
|
char nm[32];
|
|
for(i=0; i<cfg->num_threads; i++) {
|
|
snprintf(nm, sizeof(nm), "thread%d", i);
|
|
pr_stats(nm, &stats[i+1]);
|
|
}
|
|
pr_stats("total", &stats[0]);
|
|
print_uptime(shm_stat);
|
|
if(cfg->stat_extended) {
|
|
print_mem(shm_stat, &stats[0]);
|
|
print_hist(stats);
|
|
print_extended(stats);
|
|
}
|
|
}
|
|
#endif /* HAVE_SHMGET */
|
|
|
|
/** print statistics from shm memory segment */
|
|
static void print_stats_shm(const char* cfgfile, int quiet)
|
|
{
|
|
#ifdef HAVE_SHMGET
|
|
struct config_file* cfg;
|
|
struct ub_stats_info* stats;
|
|
struct ub_shm_stat_info* shm_stat;
|
|
int id_ctl, id_arr;
|
|
/* read config */
|
|
if(!(cfg = config_create()))
|
|
fatal_exit("out of memory");
|
|
if(!config_read(cfg, cfgfile, NULL))
|
|
fatal_exit("could not read config file");
|
|
/* get shm segments */
|
|
id_ctl = shmget(cfg->shm_key, sizeof(int), SHM_R);
|
|
if(id_ctl == -1) {
|
|
fatal_exit("shmget(%d): %s", cfg->shm_key, strerror(errno));
|
|
}
|
|
id_arr = shmget(cfg->shm_key+1, sizeof(int), SHM_R);
|
|
if(id_arr == -1) {
|
|
fatal_exit("shmget(%d): %s", cfg->shm_key+1, strerror(errno));
|
|
}
|
|
shm_stat = (struct ub_shm_stat_info*)shmat(id_ctl, NULL, SHM_RDONLY);
|
|
if(shm_stat == (void*)-1) {
|
|
fatal_exit("shmat(%d): %s", id_ctl, strerror(errno));
|
|
}
|
|
stats = (struct ub_stats_info*)shmat(id_arr, NULL, SHM_RDONLY);
|
|
if(stats == (void*)-1) {
|
|
fatal_exit("shmat(%d): %s", id_arr, strerror(errno));
|
|
}
|
|
|
|
|
|
if(!quiet) {
|
|
/* print the stats */
|
|
do_stats_shm(cfg, stats, shm_stat);
|
|
}
|
|
|
|
/* shutdown */
|
|
shmdt(shm_stat);
|
|
shmdt(stats);
|
|
config_delete(cfg);
|
|
#else
|
|
(void)cfgfile;
|
|
(void)quiet;
|
|
#endif /* HAVE_SHMGET */
|
|
}
|
|
|
|
/** exit with ssl error */
|
|
static void ssl_err(const char* s)
|
|
{
|
|
fprintf(stderr, "error: %s\n", s);
|
|
ERR_print_errors_fp(stderr);
|
|
exit(1);
|
|
}
|
|
|
|
/** exit with ssl error related to a file path */
|
|
static void ssl_path_err(const char* s, const char *path)
|
|
{
|
|
unsigned long err;
|
|
err = ERR_peek_error();
|
|
if(ERR_GET_LIB(err) == ERR_LIB_SYS) {
|
|
fprintf(stderr, "error: %s\n%s: %s\n",
|
|
s, path, ERR_reason_error_string(err));
|
|
exit(1);
|
|
} else {
|
|
ssl_err(s);
|
|
}
|
|
}
|
|
|
|
/** setup SSL context */
|
|
static SSL_CTX*
|
|
setup_ctx(struct config_file* cfg)
|
|
{
|
|
char* s_cert=NULL, *c_key=NULL, *c_cert=NULL;
|
|
SSL_CTX* ctx;
|
|
|
|
if(!(options_remote_is_address(cfg) && cfg->control_use_cert))
|
|
return NULL;
|
|
s_cert = fname_after_chroot(cfg->server_cert_file, cfg, 1);
|
|
c_key = fname_after_chroot(cfg->control_key_file, cfg, 1);
|
|
c_cert = fname_after_chroot(cfg->control_cert_file, cfg, 1);
|
|
if(!s_cert || !c_key || !c_cert)
|
|
fatal_exit("out of memory");
|
|
ctx = SSL_CTX_new(SSLv23_client_method());
|
|
if(!ctx)
|
|
ssl_err("could not allocate SSL_CTX pointer");
|
|
#if SSL_OP_NO_SSLv2 != 0
|
|
if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv2) & SSL_OP_NO_SSLv2)
|
|
!= SSL_OP_NO_SSLv2)
|
|
ssl_err("could not set SSL_OP_NO_SSLv2");
|
|
#endif
|
|
if((SSL_CTX_set_options(ctx, SSL_OP_NO_SSLv3) & SSL_OP_NO_SSLv3)
|
|
!= SSL_OP_NO_SSLv3)
|
|
ssl_err("could not set SSL_OP_NO_SSLv3");
|
|
#if defined(SSL_OP_NO_RENEGOTIATION)
|
|
/* disable client renegotiation */
|
|
if((SSL_CTX_set_options(ctx, SSL_OP_NO_RENEGOTIATION) &
|
|
SSL_OP_NO_RENEGOTIATION) != SSL_OP_NO_RENEGOTIATION)
|
|
ssl_err("could not set SSL_OP_NO_RENEGOTIATION");
|
|
#endif
|
|
if(!SSL_CTX_use_certificate_chain_file(ctx,c_cert))
|
|
ssl_path_err("Error setting up SSL_CTX client cert", c_cert);
|
|
if(!SSL_CTX_use_PrivateKey_file(ctx,c_key,SSL_FILETYPE_PEM))
|
|
ssl_path_err("Error setting up SSL_CTX client key", c_key);
|
|
if(!SSL_CTX_check_private_key(ctx))
|
|
ssl_err("Error setting up SSL_CTX client key");
|
|
if(SSL_CTX_load_verify_locations(ctx, s_cert, NULL) != 1)
|
|
ssl_path_err("Error setting up SSL_CTX verify, server cert",
|
|
s_cert);
|
|
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, NULL);
|
|
|
|
free(s_cert);
|
|
free(c_key);
|
|
free(c_cert);
|
|
return ctx;
|
|
}
|
|
|
|
/** check connect error */
|
|
static void
|
|
checkconnecterr(int err, const char* svr, struct sockaddr_storage* addr,
|
|
socklen_t addrlen, int statuscmd, int useport)
|
|
{
|
|
#ifndef USE_WINSOCK
|
|
if(!useport) log_err("connect: %s for %s", strerror(err), svr);
|
|
else log_err_addr("connect", strerror(err), addr, addrlen);
|
|
if(err == ECONNREFUSED && statuscmd) {
|
|
printf("unbound is stopped\n");
|
|
exit(3);
|
|
}
|
|
#else
|
|
int wsaerr = err;
|
|
if(!useport) log_err("connect: %s for %s", wsa_strerror(wsaerr), svr);
|
|
else log_err_addr("connect", wsa_strerror(wsaerr), addr, addrlen);
|
|
if(wsaerr == WSAECONNREFUSED && statuscmd) {
|
|
printf("unbound is stopped\n");
|
|
exit(3);
|
|
}
|
|
#endif
|
|
exit(1);
|
|
}
|
|
|
|
/** contact the server with TCP connect */
|
|
static int
|
|
contact_server(const char* svr, struct config_file* cfg, int statuscmd)
|
|
{
|
|
struct sockaddr_storage addr;
|
|
socklen_t addrlen;
|
|
int addrfamily = 0, proto = IPPROTO_TCP;
|
|
int fd, useport = 1;
|
|
char** rcif = NULL;
|
|
int num_rcif = 0;
|
|
/* use svr or the first config entry */
|
|
if(!svr) {
|
|
if(cfg->control_ifs.first) {
|
|
struct sockaddr_storage addr2;
|
|
socklen_t addrlen2;
|
|
if(extstrtoaddr(cfg->control_ifs.first->str, &addr2,
|
|
&addrlen2)) {
|
|
svr = cfg->control_ifs.first->str;
|
|
} else {
|
|
if(!resolve_interface_names(NULL, 0,
|
|
cfg->control_ifs.first, &rcif,
|
|
&num_rcif)) {
|
|
fatal_exit("could not resolve interface names");
|
|
}
|
|
if(rcif == NULL || num_rcif == 0) {
|
|
fatal_exit("no control interfaces");
|
|
}
|
|
svr = rcif[0];
|
|
}
|
|
} else if(cfg->do_ip4) {
|
|
svr = "127.0.0.1";
|
|
} else {
|
|
svr = "::1";
|
|
}
|
|
/* config 0 addr (everything), means ask localhost */
|
|
if(strcmp(svr, "0.0.0.0") == 0)
|
|
svr = "127.0.0.1";
|
|
else if(strcmp(svr, "::0") == 0 ||
|
|
strcmp(svr, "0::0") == 0 ||
|
|
strcmp(svr, "0::") == 0 ||
|
|
strcmp(svr, "::") == 0)
|
|
svr = "::1";
|
|
}
|
|
if(strchr(svr, '@')) {
|
|
if(!extstrtoaddr(svr, &addr, &addrlen))
|
|
fatal_exit("could not parse IP@port: %s", svr);
|
|
#ifdef HAVE_SYS_UN_H
|
|
} else if(svr[0] == '/') {
|
|
struct sockaddr_un* usock = (struct sockaddr_un *) &addr;
|
|
usock->sun_family = AF_LOCAL;
|
|
#ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
|
|
usock->sun_len = (unsigned)sizeof(usock);
|
|
#endif
|
|
(void)strlcpy(usock->sun_path, svr, sizeof(usock->sun_path));
|
|
addrlen = (socklen_t)sizeof(struct sockaddr_un);
|
|
addrfamily = AF_LOCAL;
|
|
useport = 0;
|
|
proto = 0;
|
|
#endif
|
|
} else {
|
|
if(!ipstrtoaddr(svr, cfg->control_port, &addr, &addrlen))
|
|
fatal_exit("could not parse IP: %s", svr);
|
|
}
|
|
|
|
if(addrfamily == 0)
|
|
addrfamily = addr_is_ip6(&addr, addrlen)?PF_INET6:PF_INET;
|
|
fd = socket(addrfamily, SOCK_STREAM, proto);
|
|
if(fd == -1) {
|
|
fatal_exit("socket: %s", sock_strerror(errno));
|
|
}
|
|
fd_set_nonblock(fd);
|
|
if(connect(fd, (struct sockaddr*)&addr, addrlen) < 0) {
|
|
#ifndef USE_WINSOCK
|
|
#ifdef EINPROGRESS
|
|
if(errno != EINPROGRESS) {
|
|
checkconnecterr(errno, svr, &addr,
|
|
addrlen, statuscmd, useport);
|
|
}
|
|
#endif
|
|
#else
|
|
if(WSAGetLastError() != WSAEINPROGRESS &&
|
|
WSAGetLastError() != WSAEWOULDBLOCK) {
|
|
checkconnecterr(WSAGetLastError(), svr, &addr,
|
|
addrlen, statuscmd, useport);
|
|
}
|
|
#endif
|
|
}
|
|
while(1) {
|
|
fd_set rset, wset, eset;
|
|
struct timeval tv;
|
|
FD_ZERO(&rset);
|
|
FD_SET(FD_SET_T fd, &rset);
|
|
FD_ZERO(&wset);
|
|
FD_SET(FD_SET_T fd, &wset);
|
|
FD_ZERO(&eset);
|
|
FD_SET(FD_SET_T fd, &eset);
|
|
tv.tv_sec = UNBOUND_CONTROL_CONNECT_TIMEOUT/1000;
|
|
tv.tv_usec= (UNBOUND_CONTROL_CONNECT_TIMEOUT%1000)*1000;
|
|
if(select(fd+1, &rset, &wset, &eset, &tv) == -1) {
|
|
fatal_exit("select: %s", sock_strerror(errno));
|
|
}
|
|
if(!FD_ISSET(fd, &rset) && !FD_ISSET(fd, &wset) &&
|
|
!FD_ISSET(fd, &eset)) {
|
|
fatal_exit("timeout: could not connect to server");
|
|
} else {
|
|
/* check nonblocking connect error */
|
|
int error = 0;
|
|
socklen_t len = (socklen_t)sizeof(error);
|
|
if(getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&error,
|
|
&len) < 0) {
|
|
#ifndef USE_WINSOCK
|
|
error = errno; /* on solaris errno is error */
|
|
#else
|
|
error = WSAGetLastError();
|
|
#endif
|
|
}
|
|
if(error != 0) {
|
|
#ifndef USE_WINSOCK
|
|
#ifdef EINPROGRESS
|
|
if(error == EINPROGRESS)
|
|
continue; /* try again later */
|
|
#endif
|
|
#ifdef EWOULDBLOCK
|
|
if(error == EWOULDBLOCK)
|
|
continue; /* try again later */
|
|
#endif
|
|
#else
|
|
if(error == WSAEINPROGRESS)
|
|
continue; /* try again later */
|
|
if(error == WSAEWOULDBLOCK)
|
|
continue; /* try again later */
|
|
#endif
|
|
checkconnecterr(error, svr, &addr, addrlen,
|
|
statuscmd, useport);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
fd_set_block(fd);
|
|
config_del_strarray(rcif, num_rcif);
|
|
return fd;
|
|
}
|
|
|
|
/** setup SSL on the connection */
|
|
static SSL*
|
|
setup_ssl(SSL_CTX* ctx, int fd)
|
|
{
|
|
SSL* ssl;
|
|
X509* x;
|
|
int r;
|
|
|
|
if(!ctx) return NULL;
|
|
ssl = SSL_new(ctx);
|
|
if(!ssl)
|
|
ssl_err("could not SSL_new");
|
|
SSL_set_connect_state(ssl);
|
|
(void)SSL_set_mode(ssl, (long)SSL_MODE_AUTO_RETRY);
|
|
if(!SSL_set_fd(ssl, fd))
|
|
ssl_err("could not SSL_set_fd");
|
|
while(1) {
|
|
ERR_clear_error();
|
|
if( (r=SSL_do_handshake(ssl)) == 1)
|
|
break;
|
|
r = SSL_get_error(ssl, r);
|
|
if(r != SSL_ERROR_WANT_READ && r != SSL_ERROR_WANT_WRITE)
|
|
ssl_err("SSL handshake failed");
|
|
/* wants to be called again */
|
|
}
|
|
|
|
/* check authenticity of server */
|
|
if(SSL_get_verify_result(ssl) != X509_V_OK)
|
|
ssl_err("SSL verification failed");
|
|
x = SSL_get_peer_certificate(ssl);
|
|
if(!x)
|
|
ssl_err("Server presented no peer certificate");
|
|
X509_free(x);
|
|
|
|
return ssl;
|
|
}
|
|
|
|
/** read from ssl or fd, fatalexit on error, 0 EOF, 1 success */
|
|
static int
|
|
remote_read(SSL* ssl, int fd, char* buf, size_t len)
|
|
{
|
|
if(ssl) {
|
|
int r;
|
|
ERR_clear_error();
|
|
if((r = SSL_read(ssl, buf, (int)len-1)) <= 0) {
|
|
if(SSL_get_error(ssl, r) == SSL_ERROR_ZERO_RETURN) {
|
|
/* EOF */
|
|
return 0;
|
|
}
|
|
ssl_err("could not SSL_read");
|
|
}
|
|
buf[r] = 0;
|
|
} else {
|
|
ssize_t rr = recv(fd, buf, len-1, 0);
|
|
if(rr <= 0) {
|
|
if(rr == 0) {
|
|
/* EOF */
|
|
return 0;
|
|
}
|
|
fatal_exit("could not recv: %s", sock_strerror(errno));
|
|
}
|
|
buf[rr] = 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/** write to ssl or fd, fatalexit on error */
|
|
static void
|
|
remote_write(SSL* ssl, int fd, const char* buf, size_t len)
|
|
{
|
|
if(ssl) {
|
|
if(SSL_write(ssl, buf, (int)len) <= 0)
|
|
ssl_err("could not SSL_write");
|
|
} else {
|
|
if(send(fd, buf, len, 0) < (ssize_t)len) {
|
|
fatal_exit("could not send: %s", sock_strerror(errno));
|
|
}
|
|
}
|
|
}
|
|
|
|
/** check args, to see if too many args. Because when a file is sent it
|
|
* would wait for the terminal, and we can check for too many arguments,
|
|
* eg. user put arguments on the commandline. */
|
|
static void
|
|
check_args_for_listcmd(int argc, char* argv[])
|
|
{
|
|
if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 ||
|
|
strcmp(argv[0], "local_zones_remove") == 0 ||
|
|
strcmp(argv[0], "local_datas") == 0 ||
|
|
strcmp(argv[0], "local_datas_remove") == 0) &&
|
|
argc >= 2) {
|
|
fatal_exit("too many arguments for command '%s', "
|
|
"content is piped in from stdin", argv[0]);
|
|
}
|
|
if(argc >= 1 && (strcmp(argv[0], "view_local_datas") == 0 ||
|
|
strcmp(argv[0], "view_local_datas_remove") == 0) &&
|
|
argc >= 3) {
|
|
fatal_exit("too many arguments for command '%s', "
|
|
"content is piped in from stdin", argv[0]);
|
|
}
|
|
}
|
|
|
|
/** send stdin to server */
|
|
static void
|
|
send_file(SSL* ssl, int fd, FILE* in, char* buf, size_t sz)
|
|
{
|
|
while(fgets(buf, (int)sz, in)) {
|
|
remote_write(ssl, fd, buf, strlen(buf));
|
|
}
|
|
}
|
|
|
|
/** send end-of-file marker to server */
|
|
static void
|
|
send_eof(SSL* ssl, int fd)
|
|
{
|
|
char e[] = {0x04, 0x0a};
|
|
remote_write(ssl, fd, e, sizeof(e));
|
|
}
|
|
|
|
/** send command and display result */
|
|
static int
|
|
go_cmd(SSL* ssl, int fd, int quiet, int argc, char* argv[])
|
|
{
|
|
char pre[10];
|
|
const char* space=" ";
|
|
const char* newline="\n";
|
|
int was_error = 0, first_line = 1;
|
|
int i;
|
|
char buf[1024];
|
|
snprintf(pre, sizeof(pre), "UBCT%d ", UNBOUND_CONTROL_VERSION);
|
|
remote_write(ssl, fd, pre, strlen(pre));
|
|
for(i=0; i<argc; i++) {
|
|
remote_write(ssl, fd, space, strlen(space));
|
|
remote_write(ssl, fd, argv[i], strlen(argv[i]));
|
|
}
|
|
remote_write(ssl, fd, newline, strlen(newline));
|
|
|
|
if(argc == 1 && strcmp(argv[0], "load_cache") == 0) {
|
|
send_file(ssl, fd, stdin, buf, sizeof(buf));
|
|
}
|
|
else if(argc >= 1 && (strcmp(argv[0], "local_zones") == 0 ||
|
|
strcmp(argv[0], "local_zones_remove") == 0 ||
|
|
strcmp(argv[0], "local_datas") == 0 ||
|
|
strcmp(argv[0], "view_local_datas") == 0 ||
|
|
strcmp(argv[0], "local_datas_remove") == 0 ||
|
|
strcmp(argv[0], "view_local_datas_remove") == 0)) {
|
|
send_file(ssl, fd, stdin, buf, sizeof(buf));
|
|
send_eof(ssl, fd);
|
|
}
|
|
|
|
while(1) {
|
|
if(remote_read(ssl, fd, buf, sizeof(buf)) == 0) {
|
|
break; /* EOF */
|
|
}
|
|
if(first_line && strncmp(buf, "error", 5) == 0) {
|
|
printf("%s", buf);
|
|
was_error = 1;
|
|
} else if(!quiet) {
|
|
printf("%s", buf);
|
|
}
|
|
|
|
first_line = 0;
|
|
}
|
|
return was_error;
|
|
}
|
|
|
|
/** go ahead and read config, contact server and perform command and display */
|
|
static int
|
|
go(const char* cfgfile, char* svr, int quiet, int argc, char* argv[])
|
|
{
|
|
struct config_file* cfg;
|
|
int fd, ret;
|
|
SSL_CTX* ctx;
|
|
SSL* ssl;
|
|
|
|
/* read config */
|
|
if(!(cfg = config_create()))
|
|
fatal_exit("out of memory");
|
|
if(!config_read(cfg, cfgfile, NULL))
|
|
fatal_exit("could not read config file");
|
|
if(!cfg->remote_control_enable)
|
|
log_warn("control-enable is 'no' in the config file.");
|
|
#ifdef UB_ON_WINDOWS
|
|
w_config_adjust_directory(cfg);
|
|
#endif
|
|
ctx = setup_ctx(cfg);
|
|
|
|
/* contact server */
|
|
fd = contact_server(svr, cfg, argc>0&&strcmp(argv[0],"status")==0);
|
|
ssl = setup_ssl(ctx, fd);
|
|
|
|
/* send command */
|
|
ret = go_cmd(ssl, fd, quiet, argc, argv);
|
|
|
|
if(ssl) SSL_free(ssl);
|
|
sock_close(fd);
|
|
if(ctx) SSL_CTX_free(ctx);
|
|
config_delete(cfg);
|
|
return ret;
|
|
}
|
|
|
|
/** getopt global, in case header files fail to declare it. */
|
|
extern int optind;
|
|
/** getopt global, in case header files fail to declare it. */
|
|
extern char* optarg;
|
|
|
|
/** Main routine for unbound-control */
|
|
int main(int argc, char* argv[])
|
|
{
|
|
int c, ret;
|
|
int quiet = 0;
|
|
const char* cfgfile = CONFIGFILE;
|
|
char* svr = NULL;
|
|
#ifdef USE_WINSOCK
|
|
int r;
|
|
WSADATA wsa_data;
|
|
#endif
|
|
#ifdef USE_THREAD_DEBUG
|
|
/* stop the file output from unbound-control, overwrites the servers */
|
|
extern int check_locking_order;
|
|
check_locking_order = 0;
|
|
#endif /* USE_THREAD_DEBUG */
|
|
checklock_start();
|
|
log_ident_set("unbound-control");
|
|
log_init(NULL, 0, NULL);
|
|
#ifdef USE_WINSOCK
|
|
/* use registry config file in preference to compiletime location */
|
|
if(!(cfgfile=w_lookup_reg_str("Software\\Unbound", "ConfigFile")))
|
|
cfgfile = CONFIGFILE;
|
|
#endif
|
|
/* parse the options */
|
|
while( (c=getopt(argc, argv, "c:s:qh")) != -1) {
|
|
switch(c) {
|
|
case 'c':
|
|
cfgfile = optarg;
|
|
break;
|
|
case 's':
|
|
svr = optarg;
|
|
break;
|
|
case 'q':
|
|
quiet = 1;
|
|
break;
|
|
case '?':
|
|
case 'h':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
if(argc == 0)
|
|
usage();
|
|
if(argc >= 1 && strcmp(argv[0], "start")==0) {
|
|
#if (defined(TARGET_OS_TV) && TARGET_OS_TV) || (defined(TARGET_OS_WATCH) && TARGET_OS_WATCH)
|
|
fatal_exit("could not exec unbound: %s",
|
|
strerror(ENOSYS));
|
|
#else
|
|
if(execlp("unbound", "unbound", "-c", cfgfile,
|
|
(char*)NULL) < 0) {
|
|
fatal_exit("could not exec unbound: %s",
|
|
strerror(errno));
|
|
}
|
|
#endif
|
|
}
|
|
if(argc >= 1 && strcmp(argv[0], "stats_shm")==0) {
|
|
print_stats_shm(cfgfile, quiet);
|
|
return 0;
|
|
}
|
|
check_args_for_listcmd(argc, argv);
|
|
|
|
#ifdef USE_WINSOCK
|
|
if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0)
|
|
fatal_exit("WSAStartup failed: %s", wsa_strerror(r));
|
|
#endif
|
|
|
|
#ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS
|
|
ERR_load_crypto_strings();
|
|
#endif
|
|
#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
|
|
ERR_load_SSL_strings();
|
|
#endif
|
|
#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO)
|
|
# ifndef S_SPLINT_S
|
|
OpenSSL_add_all_algorithms();
|
|
# endif
|
|
#else
|
|
OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS
|
|
| OPENSSL_INIT_ADD_ALL_DIGESTS
|
|
| OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
|
|
#endif
|
|
#if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL)
|
|
(void)SSL_library_init();
|
|
#else
|
|
(void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
|
|
#endif
|
|
|
|
if(!RAND_status()) {
|
|
/* try to seed it */
|
|
unsigned char buf[256];
|
|
unsigned int seed=(unsigned)time(NULL) ^ (unsigned)getpid();
|
|
unsigned int v = seed;
|
|
size_t i;
|
|
for(i=0; i<256/sizeof(v); i++) {
|
|
memmove(buf+i*sizeof(v), &v, sizeof(v));
|
|
v = v*seed + (unsigned int)i;
|
|
}
|
|
RAND_seed(buf, 256);
|
|
log_warn("no entropy, seeding openssl PRNG with time\n");
|
|
}
|
|
|
|
ret = go(cfgfile, svr, quiet, argc, argv);
|
|
|
|
#ifdef USE_WINSOCK
|
|
WSACleanup();
|
|
#endif
|
|
checklock_stop();
|
|
return ret;
|
|
}
|