bin/named/config.c

	config.c revision b4914b3d69de3eb57bcf1d6cb3bb8e0b645c1081
1633838b8255282d10af15c5c84cee5a51466712Bob Halley/*
4a979d35776321abc952346ba128d1a3cef730ceAutomatic Updater * Copyright (C) 2004-2013  Internet Systems Consortium, Inc. ("ISC")
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * Copyright (C) 2001-2003  Internet Software Consortium.
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence *
ec5347e2c775f027573ce5648b910361aa926c01Automatic Updater * Permission to use, copy, modify, and/or distribute this software for any
1633838b8255282d10af15c5c84cee5a51466712Bob Halley * purpose with or without fee is hereby granted, provided that the above
1633838b8255282d10af15c5c84cee5a51466712Bob Halley * copyright notice and this permission notice appear in all copies.
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence *
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
dafcb997e390efa4423883dafd100c975c4095d6Mark Andrews * PERFORMANCE OF THIS SOFTWARE.
1633838b8255282d10af15c5c84cee5a51466712Bob Halley */
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley
ece6c39dd823d92cf89e7e37614bd458d5d42658Mark Andrews/* $Id: config.c,v 1.123 2012/01/06 23:46:41 tbox Exp $ */
9c3531d72aeaad6c5f01efe6a1c82023e1379e4dDavid Lawrence
d25afd60ee2286cb171c4960a790f3d7041b6f85Bob Halley/*! \file */
d25afd60ee2286cb171c4960a790f3d7041b6f85Bob Halley
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence#include <config.h>
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <stdlib.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/buffer.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/log.h>
9fbefe0ace2ae7dba287f914b278153004bef428Bob Halley#include <isc/mem.h>
9fbefe0ace2ae7dba287f914b278153004bef428Bob Halley#include <isc/parseint.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/region.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/result.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/sockaddr.h>
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer#include <isc/string.h>
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#include <isc/util.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence#include <isccfg/namedconf.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/fixedname.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/name.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/rdataclass.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/rdatatype.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/tsig.h>
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence#include <dns/zone.h>
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer#include <dst/dst.h>
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer#include <named/config.h>
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer#include <named/globals.h>
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer
27809a2ee5db141b684e53bf1d94da26e9f92d3aMark Andrews#include "bind.keys.h"
27809a2ee5db141b684e53bf1d94da26e9f92d3aMark Andrews
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer/*% default configuration */
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halleystatic char defaultconf[] = "\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halleyoptions {\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#   blackhole {none;};\n"
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#ifndef WIN32
27809a2ee5db141b684e53bf1d94da26e9f92d3aMark Andrews"   coresize default;\n\
27809a2ee5db141b684e53bf1d94da26e9f92d3aMark Andrews    datasize default;\n\
ea872078bfa9473cfe9c89b474dae2496377797bDavid Lawrence    files unlimited;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    stacksize default;\n"
e76d4c91bfadf823f04dcca1c1c5bcc14c67671dAndreas Gustafsson#endif
e76d4c91bfadf823f04dcca1c1c5bcc14c67671dAndreas Gustafsson"#  session-keyfile \"" NS_LOCALSTATEDIR "/run/named/session.key\";\n\
e76d4c91bfadf823f04dcca1c1c5bcc14c67671dAndreas Gustafsson    session-keyname local-ddns;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    session-keyalg hmac-sha256;\n\
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer    deallocate-on-exit true;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#   directory <none>\n\
e72c1e7e465822fc9b5067b2dd3cf047f6132214Mark Andrews    dump-file \"named_dump.db\";\n\
e72c1e7e465822fc9b5067b2dd3cf047f6132214Mark Andrews    fake-iquery no;\n\
e72c1e7e465822fc9b5067b2dd3cf047f6132214Mark Andrews    has-old-clients false;\n\
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence    heartbeat-interval 60;\n\
e72c1e7e465822fc9b5067b2dd3cf047f6132214Mark Andrews    host-statistics no;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    interface-interval 60;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    listen-on {any;};\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    listen-on-v6 {any;};\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    match-mapped-addresses no;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    max-rsa-exponent-size 0; /* no limit */\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    memstatistics-file \"named.memstats\";\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    multiple-cnames no;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#   named-xfer <obsolete>;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#   pid-file \"" NS_LOCALSTATEDIR "/run/named/named.pid\"; /* or /lwresd.pid */\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    bindkeys-file \"" NS_SYSCONFDIR "/bind.keys\";\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    port 53;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    recursing-file \"named.recursing\";\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    secroots-file \"named.secroots\";\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews"
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews#ifdef PATH_RANDOMDEV
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews"\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    random-device \"" PATH_RANDOMDEV "\";\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews"
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews#endif
e2c97aef510f4cdced2894ab2a5daf2b1d316e2aAutomatic Updater"\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    recursive-clients 1000;\n\
e2c97aef510f4cdced2894ab2a5daf2b1d316e2aAutomatic Updater    resolver-query-timeout 10;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    rrset-order { order random; };\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    serial-queries 20;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    serial-query-rate 20;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    server-id none;\n\
ed9ca2306508e3106e3d111d7cf39bf82f8689d0Mark Andrews    statistics-file \"named.stats\";\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    statistics-interval 60;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    tcp-clients 100;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews    tcp-listen-queue 3;\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews#   tkey-dhkey <none>\n\
8343d55b3d97923fa444ea9b92aae2ec60ffd40fMark Andrews#   tkey-gssapi-credential <none>\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#   tkey-domain <none>\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    transfers-per-ns 2;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    transfers-in 10;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    transfers-out 10;\n\
355cc22e32085faeb553fe6c37de69e83b9d5191Andreas Gustafsson    treat-cr-as-space true;\n\
355cc22e32085faeb553fe6c37de69e83b9d5191Andreas Gustafsson    use-id-pool true;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    use-ixfr true;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    edns-udp-size 4096;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    max-udp-size 4096;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    request-nsid false;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    reserved-sockets 512;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley\n\
355cc22e32085faeb553fe6c37de69e83b9d5191Andreas Gustafsson    /* DLV */\n\
355cc22e32085faeb553fe6c37de69e83b9d5191Andreas Gustafsson    dnssec-lookaside . trust-anchor dlv.isc.org;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    /* view */\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    allow-notify {none;};\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    allow-update-forwarding {none;};\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    allow-query-cache { localnets; localhost; };\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    allow-query-cache-on { any; };\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    allow-recursion { localnets; localhost; };\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    allow-recursion-on { any; };\n\
9fbefe0ace2ae7dba287f914b278153004bef428Bob Halley#   allow-v6-synthesis <obsolete>;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley#   sortlist <none>\n\
9fbefe0ace2ae7dba287f914b278153004bef428Bob Halley#   topology <none>\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    auth-nxdomain false;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    minimal-responses false;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    recursion true;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    provide-ixfr true;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    request-ixfr true;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    fetch-glue no;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    rfc2308-type1 no;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    additional-from-auth true;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    additional-from-cache true;\n\
40f53fa8d9c6a4fc38c0014495e7a42b08f52481David Lawrence    query-source address *;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    query-source-v6 address *;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    notify-source *;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    notify-source-v6 *;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    cleaning-interval 0;  /* now meaningless */\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    min-roots 2;\n\
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer    lame-ttl 600;\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    max-ncache-ttl 10800; /* 3 hours */\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    max-cache-ttl 604800; /* 1 week */\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    transfer-format many-answers;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    max-cache-size 0;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-names master fail;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-names slave warn;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-names response ignore;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-dup-records warn;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-mx warn;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    acache-enable no;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    acache-cleaning-interval 60;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    max-acache-size 16M;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    dnssec-enable yes;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    dnssec-validation yes; \n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    dnssec-accept-expired no;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    clients-per-query 10;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    max-clients-per-query 100;\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    zero-no-soa-ttl-cache no;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    nsec3-test-zone no;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    allow-new-zones no;\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence"
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley#ifdef ALLOW_FILTER_AAAA
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley"   filter-aaaa-on-v4 no;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    filter-aaaa-on-v6 no;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    filter-aaaa { any; };\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley"
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley#endif
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence"   /* zone */\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    allow-query {any;};\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    allow-query-on {any;};\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    allow-transfer {any;};\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    notify yes;\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence#   also-notify <none>\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    notify-delay 5;\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    notify-to-soa no;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    dialup no;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley#   forward <none>\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence#   forwarders <none>\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    maintain-ixfr-base no;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson#   max-ixfr-log-size <obsolete>\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    transfer-source *;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    transfer-source-v6 *;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    alt-transfer-source *;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    alt-transfer-source-v6 *;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    max-transfer-time-in 120;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    max-transfer-time-out 120;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    max-transfer-idle-in 60;\n\
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer    max-transfer-idle-out 60;\n\
6fa1cb5754695d550a58c6e8978fda65f5146af7David Lawrence    max-retry-time 1209600; /* 2 weeks */\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    min-retry-time 500;\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    max-refresh-time 2419200; /* 4 weeks */\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    min-refresh-time 300;\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    multi-master no;\n\
585529aaeb95a71cd3d95df2602a4688fc7c3292David Lawrence    dnssec-secure-to-insecure no;\n\
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer    sig-validity-interval 30; /* days */\n\
e35c1bb3ecd9a6597360b9160b397c8053af69bfDanny Mayer    sig-signing-nodes 100;\n\
0fc87fa2f38df7b293b650deacfa5e6c3d50eff9Bob Halley    sig-signing-signatures 10;\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley    sig-signing-type 65534;\n\
d3e7d196cd14fc3095ce97846a66cd49fc6fee6dDavid Lawrence    inline-signing no;\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson    zone-statistics terse;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    max-journal-size unlimited;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    ixfr-from-differences false;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    check-wildcard yes;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-sibling yes;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-integrity yes;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    check-mx-cname warn;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    check-srv-cname warn;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    zero-no-soa-ttl yes;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    update-check-ksk yes;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    serial-update-method increment;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    dnssec-update-mode maintain;\n\
b592e197fe354d7258dc4166fce0a9425a338b0bBob Halley    dnssec-dnskey-kskonly no;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    dnssec-loadkeys-interval 60;\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence    try-tcp-refresh yes; /* BIND 8 compat */\n\
d3e7d196cd14fc3095ce97846a66cd49fc6fee6dDavid Lawrence};\n\
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence"
d3e7d196cd14fc3095ce97846a66cd49fc6fee6dDavid Lawrence
d5069ac954d067aa45ad395fc338f7e499b834c1David Lawrence"#\n\
d3e7d196cd14fc3095ce97846a66cd49fc6fee6dDavid Lawrence#  Zones in the \"_bind\" view are NOT counted in the count of zones.\n\
4d6964d70a114b53a11a3bd778d9b8f5179a7934Bob Halley#\n\
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrenceview \"_bind\" chaos {\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews    recursion no;\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews    notify no;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    allow-new-zones no;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    # Prevent use of this zone in DNS amplified reflection DoS attacks\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    rate-limit {\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews        responses-per-second 3;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews        slip 0;\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews        min-table-size 10;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    };\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    zone \"version.bind\" chaos {\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews        type master;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews        database \"_builtin version\";\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    };\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews\n\
ece6c39dd823d92cf89e7e37614bd458d5d42658Mark Andrews    zone \"hostname.bind\" chaos {\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews        type master;\n\
28b863e609ff2d97b78663b46894494cfa2ea411Mark Andrews        database \"_builtin hostname\";\n\
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence    };\n\
6c6ceac1bc66812f6e0097dcf5fd8b901c3fecd1Andreas Gustafsson\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    zone \"authors.bind\" chaos {\n\
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence        type master;\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews        database \"_builtin authors\";\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews    };\n\
1d9958c6cc291916010779792f0fbdf6cd5ba368Mark Andrews\n\
11d732daac76a24a0f3e5948a2758a4b866a0825David Lawrence    zone \"id.server\" chaos {\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson        type master;\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson        database \"_builtin id\";\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson    };\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson};\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson"
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson"#\n\
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson#  Default trusted key(s) for builtin DLV support\n\
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater#  (used if \"dnssec-lookaside auto;\" is set and\n\
13f20ab1fad3f7620a1eb31937ff0d1021e5590bDanny Mayer#  sysconfdir/bind.keys doesn't exist).\n\
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater#\n\
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson# BEGIN MANAGED KEYS\n"
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson/* Imported from bind.keys.h: */
fcb54ce0a4f7377486df5bec83b3aa4711bf4131Mark AndrewsMANAGED_KEYS
fcb54ce0a4f7377486df5bec83b3aa4711bf4131Mark Andrews
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson"# END MANAGED KEYS\n\
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson";
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafssonisc_result_t
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafssonns_config_parsedefaults(cfg_parser_t *parser, cfg_obj_t **conf) {
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater    isc_buffer_t b;
b38ab99bdc833da490c0ca0cbd05fb9d54dff997Andreas Gustafsson
f3fcde886c32bf92c464ed13b94b4c267bab5de4Danny Mayer    isc_buffer_init(&b, defaultconf, sizeof(defaultconf) - 1);
ff8cd3afa7f900d7986ccbc3638235cb8ad6f1ecAndreas Gustafsson    isc_buffer_add(&b, sizeof(defaultconf) - 1);
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews    return (cfg_parse_buffer(parser, &b, &cfg_type_namedconf, conf));
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews}
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrewsisc_result_t
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrewsns_config_get(cfg_obj_t const * const *maps, const char *name,
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews          const cfg_obj_t **obj)
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater{
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    int i;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews    for (i = 0;; i++) {
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews        if (maps[i] == NULL)
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            return (ISC_R_NOTFOUND);
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt        if (cfg_map_get(maps[i], name, obj) == ISC_R_SUCCESS)
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews            return (ISC_R_SUCCESS);
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews    }
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews}
6ebd91a0c7f4c62a501b67adce4a6800d8b7dfacAutomatic Updater
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrewsisc_result_t
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrewsns_checknames_get(const cfg_obj_t **maps, const char *which,
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews          const cfg_obj_t **obj)
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews{
186e7f37c9fc985a7a7264cc8170e48a25bed434Mark Andrews    const cfg_listelt_t *element;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    const cfg_obj_t *checknames;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    const cfg_obj_t *type;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    const cfg_obj_t *value;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    int i;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt    for (i = 0;; i++) {
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt        if (maps[i] == NULL)
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            return (ISC_R_NOTFOUND);
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt        checknames = NULL;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt        if (cfg_map_get(maps[i], "check-names",
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt                &checknames) == ISC_R_SUCCESS) {
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            /*
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt             * Zone map entry is not a list.
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt             */
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            if (checknames != NULL && !cfg_obj_islist(checknames)) {
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt                *obj = checknames;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt                return (ISC_R_SUCCESS);
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            }
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt            for (element = cfg_list_first(checknames);
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt                 element != NULL;
aeff7de836558fa8002ab5db35292d2bb6450da8Evan Hunt                 element = cfg_list_next(element)) {
                value = cfg_listelt_value(element);
                type = cfg_tuple_get(value, "type");
                if (strcasecmp(cfg_obj_asstring(type),
                           which) == 0) {
                    *obj = cfg_tuple_get(value, "mode");
                    return (ISC_R_SUCCESS);
                }
            }

        }
    }
}

int
ns_config_listcount(const cfg_obj_t *list) {
    const cfg_listelt_t *e;
    int i = 0;

    for (e = cfg_list_first(list); e != NULL; e = cfg_list_next(e))
        i++;

    return (i);
}

isc_result_t
ns_config_getclass(const cfg_obj_t *classobj, dns_rdataclass_t defclass,
           dns_rdataclass_t *classp) {
    isc_textregion_t r;
    isc_result_t result;

    if (!cfg_obj_isstring(classobj)) {
        *classp = defclass;
        return (ISC_R_SUCCESS);
    }
    DE_CONST(cfg_obj_asstring(classobj), r.base);
    r.length = strlen(r.base);
    result = dns_rdataclass_fromtext(classp, &r);
    if (result != ISC_R_SUCCESS)
        cfg_obj_log(classobj, ns_g_lctx, ISC_LOG_ERROR,
                "unknown class '%s'", r.base);
    return (result);
}

isc_result_t
ns_config_gettype(const cfg_obj_t *typeobj, dns_rdatatype_t deftype,
           dns_rdatatype_t *typep) {
    isc_textregion_t r;
    isc_result_t result;

    if (!cfg_obj_isstring(typeobj)) {
        *typep = deftype;
        return (ISC_R_SUCCESS);
    }
    DE_CONST(cfg_obj_asstring(typeobj), r.base);
    r.length = strlen(r.base);
    result = dns_rdatatype_fromtext(typep, &r);
    if (result != ISC_R_SUCCESS)
        cfg_obj_log(typeobj, ns_g_lctx, ISC_LOG_ERROR,
                "unknown type '%s'", r.base);
    return (result);
}

dns_zonetype_t
ns_config_getzonetype(const cfg_obj_t *zonetypeobj) {
    dns_zonetype_t ztype = dns_zone_none;
    const char *str;

    str = cfg_obj_asstring(zonetypeobj);
    if (strcasecmp(str, "master") == 0)
        ztype = dns_zone_master;
    else if (strcasecmp(str, "slave") == 0)
        ztype = dns_zone_slave;
    else if (strcasecmp(str, "stub") == 0)
        ztype = dns_zone_stub;
    else if (strcasecmp(str, "static-stub") == 0)
        ztype = dns_zone_staticstub;
    else if (strcasecmp(str, "redirect") == 0)
        ztype = dns_zone_redirect;
    else
        INSIST(0);
    return (ztype);
}

isc_result_t
ns_config_getiplist(const cfg_obj_t *config, const cfg_obj_t *list,
            in_port_t defport, isc_mem_t *mctx,
            isc_sockaddr_t **addrsp, isc_dscp_t **dscpsp,
            isc_uint32_t *countp)
{
    int count, i = 0;
    const cfg_obj_t *addrlist;
    const cfg_obj_t *portobj, *dscpobj;
    const cfg_listelt_t *element;
    isc_sockaddr_t *addrs;
    in_port_t port;
    isc_dscp_t dscp = -1, *dscps = NULL;
    isc_result_t result;

    INSIST(addrsp != NULL && *addrsp == NULL);
    INSIST(dscpsp == NULL || *dscpsp == NULL);
    INSIST(countp != NULL);

    addrlist = cfg_tuple_get(list, "addresses");
    count = ns_config_listcount(addrlist);

    portobj = cfg_tuple_get(list, "port");
    if (cfg_obj_isuint32(portobj)) {
        isc_uint32_t val = cfg_obj_asuint32(portobj);
        if (val > ISC_UINT16_MAX) {
            cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
                    "port '%u' out of range", val);
            return (ISC_R_RANGE);
        }
        port = (in_port_t) val;
    } else if (defport != 0)
        port = defport;
    else {
        result = ns_config_getport(config, &port);
        if (result != ISC_R_SUCCESS)
            return (result);
    }

    if (dscpsp != NULL) {
        dscps = isc_mem_get(mctx, count * sizeof(isc_dscp_t));
        if (dscps == NULL)
            return (ISC_R_NOMEMORY);

        dscpobj = cfg_tuple_get(list, "dscp");
        if (dscpobj != NULL && cfg_obj_isuint32(dscpobj)) {
            if (cfg_obj_asuint32(dscpobj) > 63) {
                cfg_obj_log(dscpobj, ns_g_lctx, ISC_LOG_ERROR,
                        "dscp value '%u' is out of range",
                        cfg_obj_asuint32(dscpobj));
                return (ISC_R_RANGE);
            }
            dscp = (isc_dscp_t)cfg_obj_asuint32(dscpobj);
        }
    }

    addrs = isc_mem_get(mctx, count * sizeof(isc_sockaddr_t));
    if (addrs == NULL)
        return (ISC_R_NOMEMORY);

    for (element = cfg_list_first(addrlist);
         element != NULL;
         element = cfg_list_next(element), i++)
    {
        const cfg_obj_t *addr;
        INSIST(i < count);
        addr = cfg_listelt_value(element);
        addrs[i] = *cfg_obj_assockaddr(addr);
        if (dscpsp != NULL) {
            isc_dscp_t innerdscp;
            innerdscp = cfg_obj_getdscp(addr);
            if (innerdscp == -1)
                innerdscp = dscp;
            dscps[i] = innerdscp;
        }
        if (isc_sockaddr_getport(&addrs[i]) == 0)
            isc_sockaddr_setport(&addrs[i], port);
    }
    INSIST(i == count);

    *addrsp = addrs;
    *countp = count;

    if (dscpsp != NULL)
        *dscpsp = dscps;

    return (ISC_R_SUCCESS);
}

void
ns_config_putiplist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
            isc_dscp_t **dscpsp, isc_uint32_t count)
{
    INSIST(addrsp != NULL && *addrsp != NULL);
    INSIST(dscpsp == NULL || *dscpsp != NULL);

    isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
    *addrsp = NULL;

    if (dscpsp != NULL) {
        isc_mem_put(mctx, *dscpsp, count * sizeof(isc_dscp_t));
        *dscpsp = NULL;
    }
}

static isc_result_t
get_masters_def(const cfg_obj_t *cctx, const char *name,
        const cfg_obj_t **ret)
{
    isc_result_t result;
    const cfg_obj_t *masters = NULL;
    const cfg_listelt_t *elt;

    result = cfg_map_get(cctx, "masters", &masters);
    if (result != ISC_R_SUCCESS)
        return (result);
    for (elt = cfg_list_first(masters);
         elt != NULL;
         elt = cfg_list_next(elt)) {
        const cfg_obj_t *list;
        const char *listname;

        list = cfg_listelt_value(elt);
        listname = cfg_obj_asstring(cfg_tuple_get(list, "name"));

        if (strcasecmp(listname, name) == 0) {
            *ret = list;
            return (ISC_R_SUCCESS);
        }
    }
    return (ISC_R_NOTFOUND);
}

isc_result_t
ns_config_getipandkeylist(const cfg_obj_t *config, const cfg_obj_t *list,
              isc_mem_t *mctx, isc_sockaddr_t **addrsp,
              isc_dscp_t **dscpsp, dns_name_t ***keysp,
              isc_uint32_t *countp)
{
    isc_uint32_t addrcount = 0, dscpcount = 0, keycount = 0, i = 0;
    isc_uint32_t listcount = 0, l = 0, j;
    isc_uint32_t stackcount = 0, pushed = 0;
    isc_result_t result;
    const cfg_listelt_t *element;
    const cfg_obj_t *addrlist;
    const cfg_obj_t *portobj;
    const cfg_obj_t *dscpobj;
    in_port_t port;
    isc_dscp_t dscp;
    dns_fixedname_t fname;
    isc_sockaddr_t *addrs = NULL;
    isc_dscp_t *dscps = NULL;
    dns_name_t **keys = NULL;
    struct { const char *name; } *lists = NULL;
    struct {
        const cfg_listelt_t *element;
        in_port_t port;
        isc_dscp_t dscp;
    } *stack = NULL;

    REQUIRE(addrsp != NULL && *addrsp == NULL);
    REQUIRE(dscpsp != NULL && *dscpsp == NULL);
    REQUIRE(keysp != NULL && *keysp == NULL);
    REQUIRE(countp != NULL);

 newlist:
    addrlist = cfg_tuple_get(list, "addresses");
    portobj = cfg_tuple_get(list, "port");
    dscpobj = cfg_tuple_get(list, "dscp");

    if (cfg_obj_isuint32(portobj)) {
        isc_uint32_t val = cfg_obj_asuint32(portobj);
        if (val > ISC_UINT16_MAX) {
            cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
                    "port '%u' out of range", val);
            result = ISC_R_RANGE;
            goto cleanup;
        }
        port = (in_port_t) val;
    } else {
        result = ns_config_getport(config, &port);
        if (result != ISC_R_SUCCESS)
            goto cleanup;
    }

    if (dscpobj != NULL && cfg_obj_isuint32(dscpobj)) {
        if (cfg_obj_asuint32(dscpobj) > 63) {
            cfg_obj_log(dscpobj, ns_g_lctx, ISC_LOG_ERROR,
                    "dscp value '%u' is out of range",
                    cfg_obj_asuint32(dscpobj));
            return (ISC_R_RANGE);
        }
        dscp = (isc_dscp_t)cfg_obj_asuint32(dscpobj);
    } else {
        result = ns_config_getdscp(config, &dscp);
        if (result != ISC_R_SUCCESS)
            goto cleanup;
    }

    result = ISC_R_NOMEMORY;

    element = cfg_list_first(addrlist);
 resume:
    for ( ;
         element != NULL;
         element = cfg_list_next(element))
    {
        const cfg_obj_t *addr;
        const cfg_obj_t *key;
        const char *keystr;
        isc_buffer_t b;

        addr = cfg_tuple_get(cfg_listelt_value(element),
                     "masterselement");
        key = cfg_tuple_get(cfg_listelt_value(element), "key");

        if (!cfg_obj_issockaddr(addr)) {
            const char *listname = cfg_obj_asstring(addr);
            isc_result_t tresult;

            /* Grow lists? */
            if (listcount == l) {
                void * new;
                isc_uint32_t newlen = listcount + 16;
                size_t newsize, oldsize;

                newsize = newlen * sizeof(*lists);
                oldsize = listcount * sizeof(*lists);
                new = isc_mem_get(mctx, newsize);
                if (new == NULL)
                    goto cleanup;
                if (listcount != 0) {
                    memcpy(new, lists, oldsize);
                    isc_mem_put(mctx, lists, oldsize);
                }
                lists = new;
                listcount = newlen;
            }
            /* Seen? */
            for (j = 0; j < l; j++)
                if (strcasecmp(lists[j].name, listname) == 0)
                    break;
            if (j < l)
                continue;
            tresult = get_masters_def(config, listname, &list);
            if (tresult == ISC_R_NOTFOUND) {
                cfg_obj_log(addr, ns_g_lctx, ISC_LOG_ERROR,
                    "masters \"%s\" not found", listname);

                result = tresult;
                goto cleanup;
            }
            if (tresult != ISC_R_SUCCESS)
                goto cleanup;
            lists[l++].name = listname;
            /* Grow stack? */
            if (stackcount == pushed) {
                void * new;
                isc_uint32_t newlen = stackcount + 16;
                size_t newsize, oldsize;

                newsize = newlen * sizeof(*stack);
                oldsize = stackcount * sizeof(*stack);
                new = isc_mem_get(mctx, newsize);
                if (new == NULL)
                    goto cleanup;
                if (stackcount != 0) {
                    memcpy(new, stack, oldsize);
                    isc_mem_put(mctx, stack, oldsize);
                }
                stack = new;
                stackcount = newlen;
            }
            /*
             * We want to resume processing this list on the
             * next element.
             */
            stack[pushed].element = cfg_list_next(element);
            stack[pushed].port = port;
            stack[pushed].dscp = dscp;
            pushed++;
            goto newlist;
        }

        if (i == addrcount) {
            void * new;
            isc_uint32_t newlen = addrcount + 16;
            size_t newsize, oldsize;

            newsize = newlen * sizeof(isc_sockaddr_t);
            oldsize = addrcount * sizeof(isc_sockaddr_t);
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            if (addrcount != 0) {
                memcpy(new, addrs, oldsize);
                isc_mem_put(mctx, addrs, oldsize);
            }
            addrs = new;
            addrcount = newlen;

            newsize = newlen * sizeof(isc_dscp_t);
            oldsize = dscpcount * sizeof(isc_dscp_t);
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            if (dscpcount != 0) {
                memcpy(new, dscps, oldsize);
                isc_mem_put(mctx, dscps, oldsize);
            }
            dscps = new;
            dscpcount = newlen;

            newsize = newlen * sizeof(dns_name_t *);
            oldsize = keycount * sizeof(dns_name_t *);
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            if (keycount != 0) {
                memcpy(new, keys, oldsize);
                isc_mem_put(mctx, keys, oldsize);
            }
            keys = new;
            keycount = newlen;
        }

        addrs[i] = *cfg_obj_assockaddr(addr);
        if (isc_sockaddr_getport(&addrs[i]) == 0)
            isc_sockaddr_setport(&addrs[i], port);
        dscps[i] = cfg_obj_getdscp(addr);
        if (dscps[i] == -1)
            dscps[i] = dscp;
        keys[i] = NULL;
        i++;    /* Increment here so that cleanup on error works. */
        if (!cfg_obj_isstring(key))
            continue;
        keys[i - 1] = isc_mem_get(mctx, sizeof(dns_name_t));
        if (keys[i - 1] == NULL)
            goto cleanup;
        dns_name_init(keys[i - 1], NULL);

        keystr = cfg_obj_asstring(key);
        isc_buffer_constinit(&b, keystr, strlen(keystr));
        isc_buffer_add(&b, strlen(keystr));
        dns_fixedname_init(&fname);
        result = dns_name_fromtext(dns_fixedname_name(&fname), &b,
                       dns_rootname, 0, NULL);
        if (result != ISC_R_SUCCESS)
            goto cleanup;
        result = dns_name_dup(dns_fixedname_name(&fname), mctx,
                      keys[i - 1]);
        if (result != ISC_R_SUCCESS)
            goto cleanup;
    }
    if (pushed != 0) {
        pushed--;
        element = stack[pushed].element;
        port = stack[pushed].port;
        dscp = stack[pushed].dscp;
        goto resume;
    }
    if (i < addrcount) {
        void * new;
        size_t newsize, oldsize;

        newsize = i * sizeof(isc_sockaddr_t);
        oldsize = addrcount * sizeof(isc_sockaddr_t);
        if (i != 0) {
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            memcpy(new, addrs, newsize);
        } else
            new = NULL;
        isc_mem_put(mctx, addrs, oldsize);
        addrs = new;
        addrcount = i;

        newsize = i * sizeof(isc_dscp_t);
        oldsize = dscpcount * sizeof(isc_dscp_t);
        if (i != 0) {
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            memcpy(new, dscps, newsize);
        } else
            new = NULL;
        isc_mem_put(mctx, dscps, oldsize);
        dscps = new;
        dscpcount = i;

        newsize = i * sizeof(dns_name_t *);
        oldsize = keycount * sizeof(dns_name_t *);
        if (i != 0) {
            new = isc_mem_get(mctx, newsize);
            if (new == NULL)
                goto cleanup;
            memcpy(new, keys,  newsize);
        } else
            new = NULL;
        isc_mem_put(mctx, keys, oldsize);
        keys = new;
        keycount = i;
    }

    if (lists != NULL)
        isc_mem_put(mctx, lists, listcount * sizeof(*lists));
    if (stack != NULL)
        isc_mem_put(mctx, stack, stackcount * sizeof(*stack));

    INSIST(keycount == addrcount);

    *addrsp = addrs;
    *dscpsp = dscps;
    *keysp = keys;
    *countp = addrcount;

    return (ISC_R_SUCCESS);

 cleanup:
    if (addrs != NULL)
        isc_mem_put(mctx, addrs, addrcount * sizeof(isc_sockaddr_t));
    if (dscps != NULL)
        isc_mem_put(mctx, dscps, dscpcount * sizeof(isc_dscp_t));
    if (keys != NULL) {
        for (j = 0; j < i; j++) {
            if (keys[j] == NULL)
                continue;
            if (dns_name_dynamic(keys[j]))
                dns_name_free(keys[j], mctx);
            isc_mem_put(mctx, keys[j], sizeof(dns_name_t));
        }
        isc_mem_put(mctx, keys, keycount * sizeof(dns_name_t *));
    }
    if (lists != NULL)
        isc_mem_put(mctx, lists, listcount * sizeof(*lists));
    if (stack != NULL)
        isc_mem_put(mctx, stack, stackcount * sizeof(*stack));
    return (result);
}

void
ns_config_putipandkeylist(isc_mem_t *mctx, isc_sockaddr_t **addrsp,
              isc_dscp_t **dscpsp, dns_name_t ***keysp,
              isc_uint32_t count)
{
    unsigned int i;
    dns_name_t **keys;

    REQUIRE(addrsp != NULL && *addrsp != NULL);
    REQUIRE(dscpsp == NULL || *dscpsp != NULL);
    REQUIRE(keysp != NULL && *keysp != NULL);

    keys = *keysp;

    isc_mem_put(mctx, *addrsp, count * sizeof(isc_sockaddr_t));
    if (dscpsp != NULL)
        isc_mem_put(mctx, *dscpsp, count * sizeof(isc_dscp_t));
    for (i = 0; i < count; i++) {
        if (keys[i] == NULL)
            continue;
        if (dns_name_dynamic(keys[i]))
            dns_name_free(keys[i], mctx);
        isc_mem_put(mctx, keys[i], sizeof(dns_name_t));
    }
    isc_mem_put(mctx, *keysp, count * sizeof(dns_name_t *));
    *addrsp = NULL;
    if (dscpsp != NULL)
        *dscpsp = NULL;
    *keysp = NULL;
}

isc_result_t
ns_config_getport(const cfg_obj_t *config, in_port_t *portp) {
    const cfg_obj_t *maps[3];
    const cfg_obj_t *options = NULL;
    const cfg_obj_t *portobj = NULL;
    isc_result_t result;
    int i;

    (void)cfg_map_get(config, "options", &options);
    i = 0;
    if (options != NULL)
        maps[i++] = options;
    maps[i++] = ns_g_defaults;
    maps[i] = NULL;

    result = ns_config_get(maps, "port", &portobj);
    INSIST(result == ISC_R_SUCCESS);
    if (cfg_obj_asuint32(portobj) >= ISC_UINT16_MAX) {
        cfg_obj_log(portobj, ns_g_lctx, ISC_LOG_ERROR,
                "port '%u' out of range",
                cfg_obj_asuint32(portobj));
        return (ISC_R_RANGE);
    }
    *portp = (in_port_t)cfg_obj_asuint32(portobj);
    return (ISC_R_SUCCESS);
}

isc_result_t
ns_config_getdscp(const cfg_obj_t *config, isc_dscp_t *dscpp) {
    const cfg_obj_t *options = NULL;
    const cfg_obj_t *dscpobj = NULL;
    isc_result_t result;

    (void)cfg_map_get(config, "options", &options);
    if (options == NULL)
        return (ISC_R_SUCCESS);

    result = cfg_map_get(options, "dscp", &dscpobj);
    if (result != ISC_R_SUCCESS || dscpobj == NULL) {
        *dscpp = -1;
        return (ISC_R_SUCCESS);
    }
    if (cfg_obj_asuint32(dscpobj) >= 64) {
        cfg_obj_log(dscpobj, ns_g_lctx, ISC_LOG_ERROR,
                "dscp '%u' out of range",
                cfg_obj_asuint32(dscpobj));
        return (ISC_R_RANGE);
    }
    *dscpp = (isc_dscp_t)cfg_obj_asuint32(dscpobj);
    return (ISC_R_SUCCESS);
}

struct keyalgorithms {
    const char *str;
    enum { hmacnone, hmacmd5, hmacsha1, hmacsha224,
           hmacsha256, hmacsha384, hmacsha512 } hmac;
    unsigned int type;
    isc_uint16_t size;
} algorithms[] = {
    { "hmac-md5", hmacmd5, DST_ALG_HMACMD5, 128 },
    { "hmac-md5.sig-alg.reg.int", hmacmd5, DST_ALG_HMACMD5, 0 },
    { "hmac-md5.sig-alg.reg.int.", hmacmd5, DST_ALG_HMACMD5, 0 },
    { "hmac-sha1", hmacsha1, DST_ALG_HMACSHA1, 160 },
    { "hmac-sha224", hmacsha224, DST_ALG_HMACSHA224, 224 },
    { "hmac-sha256", hmacsha256, DST_ALG_HMACSHA256, 256 },
    { "hmac-sha384", hmacsha384, DST_ALG_HMACSHA384, 384 },
    { "hmac-sha512", hmacsha512, DST_ALG_HMACSHA512, 512 },
    {  NULL, hmacnone, DST_ALG_UNKNOWN, 0 }
};

isc_result_t
ns_config_getkeyalgorithm(const char *str, dns_name_t **name,
              isc_uint16_t *digestbits)
{
    return (ns_config_getkeyalgorithm2(str, name, NULL, digestbits));
}

isc_result_t
ns_config_getkeyalgorithm2(const char *str, dns_name_t **name,
               unsigned int *typep, isc_uint16_t *digestbits)
{
    int i;
    size_t len = 0;
    isc_uint16_t bits;
    isc_result_t result;

    for (i = 0; algorithms[i].str != NULL; i++) {
        len = strlen(algorithms[i].str);
        if (strncasecmp(algorithms[i].str, str, len) == 0 &&
            (str[len] == '\0' ||
             (algorithms[i].size != 0 && str[len] == '-')))
            break;
    }
    if (algorithms[i].str == NULL)
        return (ISC_R_NOTFOUND);
    if (str[len] == '-') {
        result = isc_parse_uint16(&bits, str + len + 1, 10);
        if (result != ISC_R_SUCCESS)
            return (result);
        if (bits > algorithms[i].size)
            return (ISC_R_RANGE);
    } else if (algorithms[i].size == 0)
        bits = 128;
    else
        bits = algorithms[i].size;

    if (name != NULL) {
        switch (algorithms[i].hmac) {
        case hmacmd5: *name = dns_tsig_hmacmd5_name; break;
        case hmacsha1: *name = dns_tsig_hmacsha1_name; break;
        case hmacsha224: *name = dns_tsig_hmacsha224_name; break;
        case hmacsha256: *name = dns_tsig_hmacsha256_name; break;
        case hmacsha384: *name = dns_tsig_hmacsha384_name; break;
        case hmacsha512: *name = dns_tsig_hmacsha512_name; break;
        default:
            INSIST(0);
        }
    }
    if (typep != NULL)
        *typep = algorithms[i].type;
    if (digestbits != NULL)
        *digestbits = bits;
    return (ISC_R_SUCCESS);
}