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-rw-r--r--bin/dnssec/dnssec-signzone.c4197
1 files changed, 4197 insertions, 0 deletions
diff --git a/bin/dnssec/dnssec-signzone.c b/bin/dnssec/dnssec-signzone.c
new file mode 100644
index 0000000..2d2c158
--- /dev/null
+++ b/bin/dnssec/dnssec-signzone.c
@@ -0,0 +1,4197 @@
+/*
+ * Portions Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * Portions Copyright (C) Network Associates, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
+ * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <isc/app.h>
+#include <isc/atomic.h>
+#include <isc/base32.h>
+#include <isc/commandline.h>
+#include <isc/event.h>
+#include <isc/file.h>
+#include <isc/hash.h>
+#include <isc/hex.h>
+#include <isc/managers.h>
+#include <isc/md.h>
+#include <isc/mem.h>
+#include <isc/mutex.h>
+#include <isc/os.h>
+#include <isc/print.h>
+#include <isc/random.h>
+#include <isc/rwlock.h>
+#include <isc/safe.h>
+#include <isc/serial.h>
+#include <isc/stdio.h>
+#include <isc/string.h>
+#include <isc/task.h>
+#include <isc/time.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/dbiterator.h>
+#include <dns/diff.h>
+#include <dns/dnssec.h>
+#include <dns/ds.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/log.h>
+#include <dns/master.h>
+#include <dns/masterdump.h>
+#include <dns/nsec.h>
+#include <dns/nsec3.h>
+#include <dns/rdata.h>
+#include <dns/rdataclass.h>
+#include <dns/rdatalist.h>
+#include <dns/rdataset.h>
+#include <dns/rdatasetiter.h>
+#include <dns/rdatastruct.h>
+#include <dns/rdatatype.h>
+#include <dns/result.h>
+#include <dns/soa.h>
+#include <dns/time.h>
+#include <dns/update.h>
+#include <dns/zoneverify.h>
+
+#include <dst/dst.h>
+
+#if USE_PKCS11
+#include <pk11/result.h>
+#endif /* if USE_PKCS11 */
+
+#include "dnssectool.h"
+
+const char *program = "dnssec-signzone";
+
+typedef struct hashlist hashlist_t;
+
+static int nsec_datatype = dns_rdatatype_nsec;
+
+#define check_dns_dbiterator_current(result) \
+ check_result((result == DNS_R_NEWORIGIN) ? ISC_R_SUCCESS : result, \
+ "dns_dbiterator_current()")
+
+#define IS_NSEC3 (nsec_datatype == dns_rdatatype_nsec3)
+#define OPTOUT(x) (((x)&DNS_NSEC3FLAG_OPTOUT) != 0)
+
+#define REVOKE(x) ((dst_key_flags(x) & DNS_KEYFLAG_REVOKE) != 0)
+
+#define BUFSIZE 2048
+#define MAXDSKEYS 8
+
+#define SIGNER_EVENTCLASS ISC_EVENTCLASS(0x4453)
+#define SIGNER_EVENT_WRITE (SIGNER_EVENTCLASS + 0)
+#define SIGNER_EVENT_WORK (SIGNER_EVENTCLASS + 1)
+
+#define SOA_SERIAL_KEEP 0
+#define SOA_SERIAL_INCREMENT 1
+#define SOA_SERIAL_UNIXTIME 2
+#define SOA_SERIAL_DATE 3
+
+typedef struct signer_event sevent_t;
+struct signer_event {
+ ISC_EVENT_COMMON(sevent_t);
+ dns_fixedname_t *fname;
+ dns_dbnode_t *node;
+};
+
+static dns_dnsseckeylist_t keylist;
+static unsigned int keycount = 0;
+static isc_rwlock_t keylist_lock;
+static isc_stdtime_t starttime = 0, endtime = 0, dnskey_endtime = 0, now;
+static int cycle = -1;
+static int jitter = 0;
+static bool tryverify = false;
+static bool printstats = false;
+static isc_mem_t *mctx = NULL;
+static dns_ttl_t zone_soa_min_ttl;
+static dns_ttl_t soa_ttl;
+static FILE *outfp = NULL;
+static char *tempfile = NULL;
+static const dns_master_style_t *masterstyle;
+static dns_masterformat_t inputformat = dns_masterformat_text;
+static dns_masterformat_t outputformat = dns_masterformat_text;
+static uint32_t rawversion = 1, serialnum = 0;
+static bool snset = false;
+static unsigned int nsigned = 0, nretained = 0, ndropped = 0;
+static unsigned int nverified = 0, nverifyfailed = 0;
+static const char *directory = NULL, *dsdir = NULL;
+static isc_mutex_t namelock, statslock;
+static isc_nm_t *netmgr = NULL;
+static isc_taskmgr_t *taskmgr = NULL;
+static dns_db_t *gdb; /* The database */
+static dns_dbversion_t *gversion; /* The database version */
+static dns_dbiterator_t *gdbiter; /* The database iterator */
+static dns_rdataclass_t gclass; /* The class */
+static dns_name_t *gorigin; /* The database origin */
+static int nsec3flags = 0;
+static dns_iterations_t nsec3iter = 10U;
+static unsigned char saltbuf[255];
+static unsigned char *gsalt = saltbuf;
+static size_t salt_length = 0;
+static isc_task_t *master = NULL;
+static unsigned int ntasks = 0;
+static atomic_bool shuttingdown;
+static atomic_bool finished;
+static bool nokeys = false;
+static bool removefile = false;
+static bool generateds = false;
+static bool ignore_kskflag = false;
+static bool keyset_kskonly = false;
+static dns_master_style_t *dsstyle = NULL;
+static unsigned int serialformat = SOA_SERIAL_KEEP;
+static unsigned int hash_length = 0;
+static bool unknownalg = false;
+static bool disable_zone_check = false;
+static bool update_chain = false;
+static bool set_keyttl = false;
+static dns_ttl_t keyttl;
+static bool smartsign = false;
+static bool remove_orphansigs = false;
+static bool remove_inactkeysigs = false;
+static bool output_dnssec_only = false;
+static bool output_stdout = false;
+static bool set_maxttl = false;
+static dns_ttl_t maxttl = 0;
+static bool no_max_check = false;
+
+#define INCSTAT(counter) \
+ if (printstats) { \
+ LOCK(&statslock); \
+ counter++; \
+ UNLOCK(&statslock); \
+ }
+
+static void
+sign(isc_task_t *task, isc_event_t *event);
+
+/*%
+ * Store a copy of 'name' in 'fzonecut' and return a pointer to that copy.
+ */
+static dns_name_t *
+savezonecut(dns_fixedname_t *fzonecut, dns_name_t *name) {
+ dns_name_t *result;
+
+ result = dns_fixedname_initname(fzonecut);
+ dns_name_copynf(name, result);
+
+ return (result);
+}
+
+static void
+dumpnode(dns_name_t *name, dns_dbnode_t *node) {
+ dns_rdataset_t rds;
+ dns_rdatasetiter_t *iter = NULL;
+ isc_buffer_t *buffer = NULL;
+ isc_region_t r;
+ isc_result_t result;
+ unsigned bufsize = 4096;
+
+ if (outputformat != dns_masterformat_text) {
+ return;
+ }
+
+ if (!output_dnssec_only) {
+ result = dns_master_dumpnodetostream(mctx, gdb, gversion, node,
+ name, masterstyle, outfp);
+ check_result(result, "dns_master_dumpnodetostream");
+ return;
+ }
+
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0, &iter);
+ check_result(result, "dns_db_allrdatasets");
+
+ dns_rdataset_init(&rds);
+
+ isc_buffer_allocate(mctx, &buffer, bufsize);
+
+ for (result = dns_rdatasetiter_first(iter); result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(iter))
+ {
+ dns_rdatasetiter_current(iter, &rds);
+
+ if (rds.type != dns_rdatatype_rrsig &&
+ rds.type != dns_rdatatype_nsec &&
+ rds.type != dns_rdatatype_nsec3 &&
+ rds.type != dns_rdatatype_nsec3param &&
+ (!smartsign || rds.type != dns_rdatatype_dnskey))
+ {
+ dns_rdataset_disassociate(&rds);
+ continue;
+ }
+
+ for (;;) {
+ result = dns_master_rdatasettotext(
+ name, &rds, masterstyle, NULL, buffer);
+ if (result != ISC_R_NOSPACE) {
+ break;
+ }
+
+ bufsize <<= 1;
+ isc_buffer_free(&buffer);
+ isc_buffer_allocate(mctx, &buffer, bufsize);
+ }
+ check_result(result, "dns_master_rdatasettotext");
+
+ isc_buffer_usedregion(buffer, &r);
+ result = isc_stdio_write(r.base, 1, r.length, outfp, NULL);
+ check_result(result, "isc_stdio_write");
+ isc_buffer_clear(buffer);
+
+ dns_rdataset_disassociate(&rds);
+ }
+
+ isc_buffer_free(&buffer);
+ dns_rdatasetiter_destroy(&iter);
+}
+
+/*%
+ * Sign the given RRset with given key, and add the signature record to the
+ * given tuple.
+ */
+static void
+signwithkey(dns_name_t *name, dns_rdataset_t *rdataset, dst_key_t *key,
+ dns_ttl_t ttl, dns_diff_t *add, const char *logmsg) {
+ isc_result_t result;
+ isc_stdtime_t jendtime, expiry;
+ char keystr[DST_KEY_FORMATSIZE];
+ dns_rdata_t trdata = DNS_RDATA_INIT;
+ unsigned char array[BUFSIZE];
+ isc_buffer_t b;
+ dns_difftuple_t *tuple;
+
+ dst_key_format(key, keystr, sizeof(keystr));
+ vbprintf(1, "\t%s %s\n", logmsg, keystr);
+
+ if (rdataset->type == dns_rdatatype_dnskey) {
+ expiry = dnskey_endtime;
+ } else {
+ expiry = endtime;
+ }
+
+ jendtime = (jitter != 0) ? expiry - isc_random_uniform(jitter) : expiry;
+ isc_buffer_init(&b, array, sizeof(array));
+ result = dns_dnssec_sign(name, rdataset, key, &starttime, &jendtime,
+ mctx, &b, &trdata);
+ if (result != ISC_R_SUCCESS) {
+ fatal("dnskey '%s' failed to sign data: %s", keystr,
+ isc_result_totext(result));
+ }
+ INCSTAT(nsigned);
+
+ if (tryverify) {
+ result = dns_dnssec_verify(name, rdataset, key, true, 0, mctx,
+ &trdata, NULL);
+ if (result == ISC_R_SUCCESS || result == DNS_R_FROMWILDCARD) {
+ vbprintf(3, "\tsignature verified\n");
+ INCSTAT(nverified);
+ } else {
+ vbprintf(3, "\tsignature failed to verify\n");
+ INCSTAT(nverifyfailed);
+ }
+ }
+
+ tuple = NULL;
+ result = dns_difftuple_create(mctx, DNS_DIFFOP_ADDRESIGN, name, ttl,
+ &trdata, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(add, &tuple);
+}
+
+static bool
+issigningkey(dns_dnsseckey_t *key) {
+ return (key->force_sign || key->hint_sign);
+}
+
+static bool
+ispublishedkey(dns_dnsseckey_t *key) {
+ return ((key->force_publish || key->hint_publish) && !key->hint_remove);
+}
+
+static bool
+iszonekey(dns_dnsseckey_t *key) {
+ return (dns_name_equal(dst_key_name(key->key), gorigin) &&
+ dst_key_iszonekey(key->key));
+}
+
+static bool
+isksk(dns_dnsseckey_t *key) {
+ return (key->ksk);
+}
+
+static bool
+iszsk(dns_dnsseckey_t *key) {
+ return (ignore_kskflag || !key->ksk);
+}
+
+/*%
+ * Find the key that generated an RRSIG, if it is in the key list. If
+ * so, return a pointer to it, otherwise return NULL.
+ *
+ * No locking is performed here, this must be done by the caller.
+ */
+static dns_dnsseckey_t *
+keythatsigned_unlocked(dns_rdata_rrsig_t *rrsig) {
+ dns_dnsseckey_t *key;
+
+ for (key = ISC_LIST_HEAD(keylist); key != NULL;
+ key = ISC_LIST_NEXT(key, link))
+ {
+ if (rrsig->keyid == dst_key_id(key->key) &&
+ rrsig->algorithm == dst_key_alg(key->key) &&
+ dns_name_equal(&rrsig->signer, dst_key_name(key->key)))
+ {
+ return (key);
+ }
+ }
+ return (NULL);
+}
+
+/*%
+ * Finds the key that generated a RRSIG, if possible. First look at the keys
+ * that we've loaded already, and then see if there's a key on disk.
+ */
+static dns_dnsseckey_t *
+keythatsigned(dns_rdata_rrsig_t *rrsig) {
+ isc_result_t result;
+ dst_key_t *pubkey = NULL, *privkey = NULL;
+ dns_dnsseckey_t *key = NULL;
+
+ RWLOCK(&keylist_lock, isc_rwlocktype_read);
+ key = keythatsigned_unlocked(rrsig);
+ RWUNLOCK(&keylist_lock, isc_rwlocktype_read);
+ if (key != NULL) {
+ return (key);
+ }
+
+ /*
+ * We did not find the key in our list. Get a write lock now, since
+ * we may be modifying the bits. We could do the tryupgrade() dance,
+ * but instead just get a write lock and check once again to see if
+ * it is on our list. It's possible someone else may have added it
+ * after all.
+ */
+ isc_rwlock_lock(&keylist_lock, isc_rwlocktype_write);
+ key = keythatsigned_unlocked(rrsig);
+ if (key != NULL) {
+ isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write);
+ return (key);
+ }
+
+ result = dst_key_fromfile(&rrsig->signer, rrsig->keyid,
+ rrsig->algorithm, DST_TYPE_PUBLIC, directory,
+ mctx, &pubkey);
+ if (result != ISC_R_SUCCESS) {
+ isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write);
+ return (NULL);
+ }
+
+ result = dst_key_fromfile(
+ &rrsig->signer, rrsig->keyid, rrsig->algorithm,
+ DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, directory, mctx, &privkey);
+ if (result == ISC_R_SUCCESS) {
+ dst_key_free(&pubkey);
+ result = dns_dnsseckey_create(mctx, &privkey, &key);
+ } else {
+ result = dns_dnsseckey_create(mctx, &pubkey, &key);
+ }
+
+ if (result == ISC_R_SUCCESS) {
+ key->force_publish = false;
+ key->force_sign = false;
+ key->index = keycount++;
+ ISC_LIST_APPEND(keylist, key, link);
+ }
+
+ isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write);
+ return (key);
+}
+
+/*%
+ * Check to see if we expect to find a key at this name. If we see a RRSIG
+ * and can't find the signing key that we expect to find, we drop the rrsig.
+ * I'm not sure if this is completely correct, but it seems to work.
+ */
+static bool
+expecttofindkey(dns_name_t *name) {
+ unsigned int options = DNS_DBFIND_NOWILD;
+ dns_fixedname_t fname;
+ isc_result_t result;
+ char namestr[DNS_NAME_FORMATSIZE];
+
+ dns_fixedname_init(&fname);
+ result = dns_db_find(gdb, name, gversion, dns_rdatatype_dnskey, options,
+ 0, NULL, dns_fixedname_name(&fname), NULL, NULL);
+ switch (result) {
+ case ISC_R_SUCCESS:
+ case DNS_R_NXDOMAIN:
+ case DNS_R_NXRRSET:
+ return (true);
+ case DNS_R_DELEGATION:
+ case DNS_R_CNAME:
+ case DNS_R_DNAME:
+ return (false);
+ }
+ dns_name_format(name, namestr, sizeof(namestr));
+ fatal("failure looking for '%s DNSKEY' in database: %s", namestr,
+ isc_result_totext(result));
+ UNREACHABLE();
+ return (false); /* removes a warning */
+}
+
+static bool
+setverifies(dns_name_t *name, dns_rdataset_t *set, dst_key_t *key,
+ dns_rdata_t *rrsig) {
+ isc_result_t result;
+ result = dns_dnssec_verify(name, set, key, false, 0, mctx, rrsig, NULL);
+ if (result == ISC_R_SUCCESS || result == DNS_R_FROMWILDCARD) {
+ INCSTAT(nverified);
+ return (true);
+ } else {
+ INCSTAT(nverifyfailed);
+ return (false);
+ }
+}
+
+/*%
+ * Signs a set. Goes through contortions to decide if each RRSIG should
+ * be dropped or retained, and then determines if any new SIGs need to
+ * be generated.
+ */
+static void
+signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name,
+ dns_rdataset_t *set) {
+ dns_rdataset_t sigset;
+ dns_rdata_t sigrdata = DNS_RDATA_INIT;
+ dns_rdata_rrsig_t rrsig;
+ dns_dnsseckey_t *key;
+ isc_result_t result;
+ bool nosigs = false;
+ bool *wassignedby, *nowsignedby;
+ int arraysize;
+ dns_difftuple_t *tuple;
+ dns_ttl_t ttl;
+ int i;
+ char namestr[DNS_NAME_FORMATSIZE];
+ char typestr[DNS_RDATATYPE_FORMATSIZE];
+ char sigstr[SIG_FORMATSIZE];
+
+ dns_name_format(name, namestr, sizeof(namestr));
+ dns_rdatatype_format(set->type, typestr, sizeof(typestr));
+
+ ttl = ISC_MIN(set->ttl, endtime - starttime);
+
+ dns_rdataset_init(&sigset);
+ result = dns_db_findrdataset(gdb, node, gversion, dns_rdatatype_rrsig,
+ set->type, 0, &sigset, NULL);
+ if (result == ISC_R_NOTFOUND) {
+ vbprintf(2, "no existing signatures for %s/%s\n", namestr,
+ typestr);
+ result = ISC_R_SUCCESS;
+ nosigs = true;
+ }
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed while looking for '%s RRSIG %s': %s", namestr,
+ typestr, isc_result_totext(result));
+ }
+
+ vbprintf(1, "%s/%s:\n", namestr, typestr);
+
+ arraysize = keycount;
+ if (!nosigs) {
+ arraysize += dns_rdataset_count(&sigset);
+ }
+ wassignedby = isc_mem_get(mctx, arraysize * sizeof(bool));
+ nowsignedby = isc_mem_get(mctx, arraysize * sizeof(bool));
+
+ for (i = 0; i < arraysize; i++) {
+ wassignedby[i] = nowsignedby[i] = false;
+ }
+
+ if (nosigs) {
+ result = ISC_R_NOMORE;
+ } else {
+ result = dns_rdataset_first(&sigset);
+ }
+
+ while (result == ISC_R_SUCCESS) {
+ bool expired, future;
+ bool keep = false, resign = false;
+
+ dns_rdataset_current(&sigset, &sigrdata);
+
+ result = dns_rdata_tostruct(&sigrdata, &rrsig, NULL);
+ check_result(result, "dns_rdata_tostruct");
+
+ future = isc_serial_lt(now, rrsig.timesigned);
+
+ key = keythatsigned(&rrsig);
+ sig_format(&rrsig, sigstr, sizeof(sigstr));
+ expired = isc_serial_gt(now + cycle, rrsig.timeexpire);
+
+ if (isc_serial_gt(rrsig.timesigned, rrsig.timeexpire)) {
+ /* rrsig is dropped and not replaced */
+ vbprintf(2,
+ "\trrsig by %s dropped - "
+ "invalid validity period\n",
+ sigstr);
+ } else if (key == NULL && !future &&
+ expecttofindkey(&rrsig.signer))
+ {
+ /* rrsig is dropped and not replaced */
+ vbprintf(2,
+ "\trrsig by %s dropped - "
+ "private dnskey not found\n",
+ sigstr);
+ } else if (key == NULL || future) {
+ keep = (!expired && !remove_orphansigs);
+ vbprintf(2, "\trrsig by %s %s - dnskey not found\n",
+ keep ? "retained" : "dropped", sigstr);
+ } else if (!dns_dnssec_keyactive(key->key, now) &&
+ remove_inactkeysigs)
+ {
+ keep = false;
+ vbprintf(2, "\trrsig by %s dropped - key inactive\n",
+ sigstr);
+ } else if (issigningkey(key)) {
+ wassignedby[key->index] = true;
+
+ if (!expired && rrsig.originalttl == set->ttl &&
+ setverifies(name, set, key->key, &sigrdata))
+ {
+ vbprintf(2, "\trrsig by %s retained\n", sigstr);
+ keep = true;
+ } else {
+ vbprintf(2, "\trrsig by %s dropped - %s\n",
+ sigstr,
+ expired ? "expired"
+ : rrsig.originalttl != set->ttl
+ ? "ttl change"
+ : "failed to "
+ "verify");
+ resign = true;
+ }
+ } else if (!ispublishedkey(key) && remove_orphansigs) {
+ vbprintf(2, "\trrsig by %s dropped - dnskey removed\n",
+ sigstr);
+ } else if (iszonekey(key)) {
+ wassignedby[key->index] = true;
+
+ if (!expired && rrsig.originalttl == set->ttl &&
+ setverifies(name, set, key->key, &sigrdata))
+ {
+ vbprintf(2, "\trrsig by %s retained\n", sigstr);
+ keep = true;
+ } else {
+ vbprintf(2, "\trrsig by %s dropped - %s\n",
+ sigstr,
+ expired ? "expired"
+ : rrsig.originalttl != set->ttl
+ ? "ttl change"
+ : "failed to "
+ "verify");
+ }
+ } else if (!expired) {
+ vbprintf(2, "\trrsig by %s retained\n", sigstr);
+ keep = true;
+ } else {
+ vbprintf(2, "\trrsig by %s expired\n", sigstr);
+ }
+
+ if (keep) {
+ if (key != NULL) {
+ nowsignedby[key->index] = true;
+ }
+ INCSTAT(nretained);
+ if (sigset.ttl != ttl) {
+ vbprintf(2, "\tfixing ttl %s\n", sigstr);
+ tuple = NULL;
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_DELRESIGN, name,
+ sigset.ttl, &sigrdata, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(del, &tuple);
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_ADDRESIGN, name, ttl,
+ &sigrdata, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(add, &tuple);
+ }
+ } else {
+ tuple = NULL;
+ vbprintf(2, "\tremoving signature by %s\n", sigstr);
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_DELRESIGN, name, sigset.ttl,
+ &sigrdata, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(del, &tuple);
+ INCSTAT(ndropped);
+ }
+
+ if (resign) {
+ INSIST(!keep);
+
+ signwithkey(name, set, key->key, ttl, add,
+ "resigning with dnskey");
+ nowsignedby[key->index] = true;
+ }
+
+ dns_rdata_reset(&sigrdata);
+ dns_rdata_freestruct(&rrsig);
+ result = dns_rdataset_next(&sigset);
+ }
+ if (result == ISC_R_NOMORE) {
+ result = ISC_R_SUCCESS;
+ }
+
+ check_result(result, "dns_rdataset_first/next");
+ if (dns_rdataset_isassociated(&sigset)) {
+ dns_rdataset_disassociate(&sigset);
+ }
+
+ for (key = ISC_LIST_HEAD(keylist); key != NULL;
+ key = ISC_LIST_NEXT(key, link))
+ {
+ if (nowsignedby[key->index]) {
+ continue;
+ }
+
+ if (!issigningkey(key)) {
+ continue;
+ }
+
+ if ((set->type == dns_rdatatype_cds ||
+ set->type == dns_rdatatype_cdnskey ||
+ set->type == dns_rdatatype_dnskey) &&
+ dns_name_equal(name, gorigin))
+ {
+ bool have_ksk;
+ dns_dnsseckey_t *curr;
+
+ have_ksk = isksk(key);
+ for (curr = ISC_LIST_HEAD(keylist); curr != NULL;
+ curr = ISC_LIST_NEXT(curr, link))
+ {
+ if (dst_key_alg(key->key) !=
+ dst_key_alg(curr->key))
+ {
+ continue;
+ }
+ if (REVOKE(curr->key)) {
+ continue;
+ }
+ if (isksk(curr)) {
+ have_ksk = true;
+ }
+ }
+ if (isksk(key) || !have_ksk ||
+ (iszsk(key) && !keyset_kskonly))
+ {
+ signwithkey(name, set, key->key, ttl, add,
+ "signing with dnskey");
+ }
+ } else if (iszsk(key)) {
+ /*
+ * Sign with the ZSK unless there is a predecessor
+ * key that already signs this RRset.
+ */
+ bool have_pre_sig = false;
+ dns_dnsseckey_t *curr;
+ uint32_t pre;
+ isc_result_t ret = dst_key_getnum(
+ key->key, DST_NUM_PREDECESSOR, &pre);
+ if (ret == ISC_R_SUCCESS) {
+ /*
+ * This key has a predecessor, look for the
+ * corresponding key in the keylist. The
+ * key we are looking for must be:
+ * - From the same cryptographic algorithm.
+ * - Have the ZSK type (iszsk).
+ * - Have key ID equal to the predecessor id.
+ * - Have a successor that matches 'key' id.
+ */
+ for (curr = ISC_LIST_HEAD(keylist);
+ curr != NULL;
+ curr = ISC_LIST_NEXT(curr, link))
+ {
+ uint32_t suc;
+
+ if (dst_key_alg(key->key) !=
+ dst_key_alg(curr->key) ||
+ !iszsk(curr) ||
+ dst_key_id(curr->key) != pre)
+ {
+ continue;
+ }
+ ret = dst_key_getnum(curr->key,
+ DST_NUM_SUCCESSOR,
+ &suc);
+ if (ret != ISC_R_SUCCESS ||
+ dst_key_id(key->key) != suc)
+ {
+ continue;
+ }
+
+ /*
+ * curr is the predecessor we were
+ * looking for. Check if this key
+ * signs this RRset.
+ */
+ if (nowsignedby[curr->index]) {
+ have_pre_sig = true;
+ }
+ }
+ }
+
+ /*
+ * If we have a signature of a predecessor key,
+ * skip signing with this key.
+ */
+ if (!have_pre_sig) {
+ signwithkey(name, set, key->key, ttl, add,
+ "signing with dnskey");
+ }
+ }
+ }
+
+ isc_mem_put(mctx, wassignedby, arraysize * sizeof(bool));
+ isc_mem_put(mctx, nowsignedby, arraysize * sizeof(bool));
+}
+
+struct hashlist {
+ unsigned char *hashbuf;
+ size_t entries;
+ size_t size;
+ size_t length;
+};
+
+static void
+hashlist_init(hashlist_t *l, unsigned int nodes, unsigned int length) {
+ l->entries = 0;
+ l->length = length + 1;
+
+ if (nodes != 0) {
+ l->size = nodes;
+ l->hashbuf = malloc(l->size * l->length);
+ if (l->hashbuf == NULL) {
+ l->size = 0;
+ }
+ } else {
+ l->size = 0;
+ l->hashbuf = NULL;
+ }
+}
+
+static void
+hashlist_free(hashlist_t *l) {
+ if (l->hashbuf) {
+ free(l->hashbuf);
+ l->hashbuf = NULL;
+ l->entries = 0;
+ l->length = 0;
+ l->size = 0;
+ }
+}
+
+static void
+hashlist_add(hashlist_t *l, const unsigned char *hash, size_t len) {
+ REQUIRE(len <= l->length);
+
+ if (l->entries == l->size) {
+ l->size = l->size * 2 + 100;
+ l->hashbuf = realloc(l->hashbuf, l->size * l->length);
+ if (l->hashbuf == NULL) {
+ fatal("unable to grow hashlist: out of memory");
+ }
+ }
+ memset(l->hashbuf + l->entries * l->length, 0, l->length);
+ memmove(l->hashbuf + l->entries * l->length, hash, len);
+ l->entries++;
+}
+
+static void
+hashlist_add_dns_name(hashlist_t *l,
+ /*const*/ dns_name_t *name, unsigned int hashalg,
+ unsigned int iterations, const unsigned char *salt,
+ size_t salt_len, bool speculative) {
+ char nametext[DNS_NAME_FORMATSIZE];
+ unsigned char hash[NSEC3_MAX_HASH_LENGTH + 1];
+ unsigned int len;
+ size_t i;
+
+ len = isc_iterated_hash(hash, hashalg, iterations, salt, (int)salt_len,
+ name->ndata, name->length);
+ if (verbose) {
+ dns_name_format(name, nametext, sizeof nametext);
+ for (i = 0; i < len; i++) {
+ fprintf(stderr, "%02x", hash[i]);
+ }
+ fprintf(stderr, " %s\n", nametext);
+ }
+ hash[len++] = speculative ? 1 : 0;
+ hashlist_add(l, hash, len);
+}
+
+static int
+hashlist_comp(const void *a, const void *b) {
+ return (memcmp(a, b, hash_length + 1));
+}
+
+static void
+hashlist_sort(hashlist_t *l) {
+ INSIST(l->hashbuf != NULL || l->length == 0);
+ if (l->length > 0) {
+ qsort(l->hashbuf, l->entries, l->length, hashlist_comp);
+ }
+}
+
+static bool
+hashlist_hasdup(hashlist_t *l) {
+ unsigned char *current;
+ unsigned char *next = l->hashbuf;
+ size_t entries = l->entries;
+
+ /*
+ * Skip initial speculative wild card hashes.
+ */
+ while (entries > 0U && next[l->length - 1] != 0U) {
+ next += l->length;
+ entries--;
+ }
+
+ current = next;
+ while (entries-- > 1U) {
+ next += l->length;
+ if (next[l->length - 1] != 0) {
+ continue;
+ }
+ if (isc_safe_memequal(current, next, l->length - 1)) {
+ return (true);
+ }
+ current = next;
+ }
+ return (false);
+}
+
+static const unsigned char *
+hashlist_findnext(const hashlist_t *l,
+ const unsigned char hash[NSEC3_MAX_HASH_LENGTH]) {
+ size_t entries = l->entries;
+ const unsigned char *next = bsearch(hash, l->hashbuf, l->entries,
+ l->length, hashlist_comp);
+ INSIST(next != NULL);
+
+ do {
+ if (next < l->hashbuf + (l->entries - 1) * l->length) {
+ next += l->length;
+ } else {
+ next = l->hashbuf;
+ }
+ if (next[l->length - 1] == 0) {
+ break;
+ }
+ } while (entries-- > 1U);
+ INSIST(entries != 0U);
+ return (next);
+}
+
+static bool
+hashlist_exists(const hashlist_t *l,
+ const unsigned char hash[NSEC3_MAX_HASH_LENGTH]) {
+ if (bsearch(hash, l->hashbuf, l->entries, l->length, hashlist_comp)) {
+ return (true);
+ } else {
+ return (false);
+ }
+}
+
+static void
+addnowildcardhash(hashlist_t *l,
+ /*const*/ dns_name_t *name, unsigned int hashalg,
+ unsigned int iterations, const unsigned char *salt,
+ size_t salt_len) {
+ dns_fixedname_t fixed;
+ dns_name_t *wild;
+ dns_dbnode_t *node = NULL;
+ isc_result_t result;
+ char namestr[DNS_NAME_FORMATSIZE];
+
+ wild = dns_fixedname_initname(&fixed);
+
+ result = dns_name_concatenate(dns_wildcardname, name, wild, NULL);
+ if (result == ISC_R_NOSPACE) {
+ return;
+ }
+ check_result(result, "addnowildcardhash: dns_name_concatenate()");
+
+ result = dns_db_findnode(gdb, wild, false, &node);
+ if (result == ISC_R_SUCCESS) {
+ dns_db_detachnode(gdb, &node);
+ return;
+ }
+
+ if (verbose) {
+ dns_name_format(wild, namestr, sizeof(namestr));
+ fprintf(stderr, "adding no-wildcardhash for %s\n", namestr);
+ }
+
+ hashlist_add_dns_name(l, wild, hashalg, iterations, salt, salt_len,
+ true);
+}
+
+static void
+opendb(const char *prefix, dns_name_t *name, dns_rdataclass_t rdclass,
+ dns_db_t **dbp) {
+ char filename[PATH_MAX];
+ isc_buffer_t b;
+ isc_result_t result;
+
+ isc_buffer_init(&b, filename, sizeof(filename));
+ if (dsdir != NULL) {
+ /* allow room for a trailing slash */
+ if (strlen(dsdir) >= isc_buffer_availablelength(&b)) {
+ fatal("path '%s' is too long", dsdir);
+ }
+ isc_buffer_putstr(&b, dsdir);
+ if (dsdir[strlen(dsdir) - 1] != '/') {
+ isc_buffer_putstr(&b, "/");
+ }
+ }
+ if (strlen(prefix) > isc_buffer_availablelength(&b)) {
+ fatal("path '%s' is too long", dsdir);
+ }
+ isc_buffer_putstr(&b, prefix);
+ result = dns_name_tofilenametext(name, false, &b);
+ check_result(result, "dns_name_tofilenametext()");
+ if (isc_buffer_availablelength(&b) == 0) {
+ char namestr[DNS_NAME_FORMATSIZE];
+ dns_name_format(name, namestr, sizeof(namestr));
+ fatal("name '%s' is too long", namestr);
+ }
+ isc_buffer_putuint8(&b, 0);
+
+ result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
+ rdclass, 0, NULL, dbp);
+ check_result(result, "dns_db_create()");
+
+ result = dns_db_load(*dbp, filename, inputformat, DNS_MASTER_HINT);
+ if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) {
+ dns_db_detach(dbp);
+ }
+}
+
+/*%
+ * Load the DS set for a child zone, if a dsset-* file can be found.
+ * If not, try to find a keyset-* file from an earlier version of
+ * dnssec-signzone, and build DS records from that.
+ */
+static isc_result_t
+loadds(dns_name_t *name, uint32_t ttl, dns_rdataset_t *dsset) {
+ dns_db_t *db = NULL;
+ dns_dbversion_t *ver = NULL;
+ dns_dbnode_t *node = NULL;
+ isc_result_t result;
+ dns_rdataset_t keyset;
+ dns_rdata_t key, ds;
+ unsigned char dsbuf[DNS_DS_BUFFERSIZE];
+ dns_diff_t diff;
+ dns_difftuple_t *tuple = NULL;
+
+ opendb("dsset-", name, gclass, &db);
+ if (db != NULL) {
+ result = dns_db_findnode(db, name, false, &node);
+ if (result == ISC_R_SUCCESS) {
+ dns_rdataset_init(dsset);
+ result = dns_db_findrdataset(db, node, NULL,
+ dns_rdatatype_ds, 0, 0,
+ dsset, NULL);
+ dns_db_detachnode(db, &node);
+ if (result == ISC_R_SUCCESS) {
+ vbprintf(2, "found DS records\n");
+ dsset->ttl = ttl;
+ dns_db_detach(&db);
+ return (result);
+ }
+ }
+ dns_db_detach(&db);
+ }
+
+ /* No DS records found; try again, looking for DNSKEY records */
+ opendb("keyset-", name, gclass, &db);
+ if (db == NULL) {
+ return (ISC_R_NOTFOUND);
+ }
+
+ result = dns_db_findnode(db, name, false, &node);
+ if (result != ISC_R_SUCCESS) {
+ dns_db_detach(&db);
+ return (result);
+ }
+
+ dns_rdataset_init(&keyset);
+ result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_dnskey, 0, 0,
+ &keyset, NULL);
+ if (result != ISC_R_SUCCESS) {
+ dns_db_detachnode(db, &node);
+ dns_db_detach(&db);
+ return (result);
+ }
+ vbprintf(2, "found DNSKEY records\n");
+
+ result = dns_db_newversion(db, &ver);
+ check_result(result, "dns_db_newversion");
+ dns_diff_init(mctx, &diff);
+
+ for (result = dns_rdataset_first(&keyset); result == ISC_R_SUCCESS;
+ result = dns_rdataset_next(&keyset))
+ {
+ dns_rdata_init(&key);
+ dns_rdata_init(&ds);
+ dns_rdataset_current(&keyset, &key);
+ result = dns_ds_buildrdata(name, &key, DNS_DSDIGEST_SHA256,
+ dsbuf, &ds);
+ check_result(result, "dns_ds_buildrdata");
+
+ result = dns_difftuple_create(mctx, DNS_DIFFOP_ADDRESIGN, name,
+ ttl, &ds, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(&diff, &tuple);
+ }
+
+ result = dns_diff_apply(&diff, db, ver);
+ check_result(result, "dns_diff_apply");
+ dns_diff_clear(&diff);
+
+ dns_db_closeversion(db, &ver, true);
+
+ result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_ds, 0, 0,
+ dsset, NULL);
+ check_result(result, "dns_db_findrdataset");
+
+ dns_rdataset_disassociate(&keyset);
+ dns_db_detachnode(db, &node);
+ dns_db_detach(&db);
+ return (result);
+}
+
+static bool
+secure(dns_name_t *name, dns_dbnode_t *node) {
+ dns_rdataset_t dsset;
+ isc_result_t result;
+
+ if (dns_name_equal(name, gorigin)) {
+ return (false);
+ }
+
+ dns_rdataset_init(&dsset);
+ result = dns_db_findrdataset(gdb, node, gversion, dns_rdatatype_ds, 0,
+ 0, &dsset, NULL);
+ if (dns_rdataset_isassociated(&dsset)) {
+ dns_rdataset_disassociate(&dsset);
+ }
+
+ return (result == ISC_R_SUCCESS);
+}
+
+static bool
+is_delegation(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *origin,
+ dns_name_t *name, dns_dbnode_t *node, uint32_t *ttlp) {
+ dns_rdataset_t nsset;
+ isc_result_t result;
+
+ if (dns_name_equal(name, origin)) {
+ return (false);
+ }
+
+ dns_rdataset_init(&nsset);
+ result = dns_db_findrdataset(db, node, ver, dns_rdatatype_ns, 0, 0,
+ &nsset, NULL);
+ if (dns_rdataset_isassociated(&nsset)) {
+ if (ttlp != NULL) {
+ *ttlp = nsset.ttl;
+ }
+ dns_rdataset_disassociate(&nsset);
+ }
+
+ return ((result == ISC_R_SUCCESS));
+}
+
+/*%
+ * Return true if version 'ver' of database 'db' contains a DNAME RRset at
+ * 'node'; return false otherwise.
+ */
+static bool
+has_dname(dns_db_t *db, dns_dbversion_t *ver, dns_dbnode_t *node) {
+ dns_rdataset_t dnameset;
+ isc_result_t result;
+
+ dns_rdataset_init(&dnameset);
+ result = dns_db_findrdataset(db, node, ver, dns_rdatatype_dname, 0, 0,
+ &dnameset, NULL);
+ if (dns_rdataset_isassociated(&dnameset)) {
+ dns_rdataset_disassociate(&dnameset);
+ }
+
+ return ((result == ISC_R_SUCCESS));
+}
+
+/*%
+ * Signs all records at a name.
+ */
+static void
+signname(dns_dbnode_t *node, dns_name_t *name) {
+ isc_result_t result;
+ dns_rdataset_t rdataset;
+ dns_rdatasetiter_t *rdsiter;
+ bool isdelegation = false;
+ dns_diff_t del, add;
+ char namestr[DNS_NAME_FORMATSIZE];
+
+ dns_rdataset_init(&rdataset);
+ dns_name_format(name, namestr, sizeof(namestr));
+
+ /*
+ * Determine if this is a delegation point.
+ */
+ if (is_delegation(gdb, gversion, gorigin, name, node, NULL)) {
+ isdelegation = true;
+ }
+
+ /*
+ * Now iterate through the rdatasets.
+ */
+ dns_diff_init(mctx, &del);
+ dns_diff_init(mctx, &add);
+ rdsiter = NULL;
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0, &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ result = dns_rdatasetiter_first(rdsiter);
+ while (result == ISC_R_SUCCESS) {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+
+ /* If this is a RRSIG set, skip it. */
+ if (rdataset.type == dns_rdatatype_rrsig) {
+ goto skip;
+ }
+
+ /*
+ * If this name is a delegation point, skip all records
+ * except NSEC and DS sets. Otherwise check that there
+ * isn't a DS record.
+ */
+ if (isdelegation) {
+ if (rdataset.type != nsec_datatype &&
+ rdataset.type != dns_rdatatype_ds)
+ {
+ goto skip;
+ }
+ } else if (rdataset.type == dns_rdatatype_ds) {
+ char namebuf[DNS_NAME_FORMATSIZE];
+ dns_name_format(name, namebuf, sizeof(namebuf));
+ fatal("'%s': found DS RRset without NS RRset\n",
+ namebuf);
+ }
+
+ signset(&del, &add, node, name, &rdataset);
+
+ skip:
+ dns_rdataset_disassociate(&rdataset);
+ result = dns_rdatasetiter_next(rdsiter);
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration for name '%s' failed: %s", namestr,
+ isc_result_totext(result));
+ }
+
+ dns_rdatasetiter_destroy(&rdsiter);
+
+ result = dns_diff_applysilently(&del, gdb, gversion);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to delete SIGs at node '%s': %s", namestr,
+ isc_result_totext(result));
+ }
+
+ result = dns_diff_applysilently(&add, gdb, gversion);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to add SIGs at node '%s': %s", namestr,
+ isc_result_totext(result));
+ }
+
+ dns_diff_clear(&del);
+ dns_diff_clear(&add);
+}
+
+/*
+ * See if the node contains any non RRSIG/NSEC records and report to
+ * caller. Clean out extraneous RRSIG records for node.
+ */
+static bool
+active_node(dns_dbnode_t *node) {
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_rdatasetiter_t *rdsiter2 = NULL;
+ bool active = false;
+ isc_result_t result;
+ dns_rdataset_t rdataset;
+ dns_rdatatype_t type;
+ dns_rdatatype_t covers;
+ bool found;
+
+ dns_rdataset_init(&rdataset);
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0, &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ result = dns_rdatasetiter_first(rdsiter);
+ while (result == ISC_R_SUCCESS) {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ if (rdataset.type != dns_rdatatype_nsec &&
+ rdataset.type != dns_rdatatype_nsec3 &&
+ rdataset.type != dns_rdatatype_rrsig)
+ {
+ active = true;
+ }
+ dns_rdataset_disassociate(&rdataset);
+ if (!active) {
+ result = dns_rdatasetiter_next(rdsiter);
+ } else {
+ result = ISC_R_NOMORE;
+ }
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+
+ if (!active && nsec_datatype == dns_rdatatype_nsec) {
+ /*%
+ * The node is empty of everything but NSEC / RRSIG records.
+ */
+ for (result = dns_rdatasetiter_first(rdsiter);
+ result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ rdataset.type,
+ rdataset.covers);
+ check_result(result, "dns_db_deleterdataset()");
+ dns_rdataset_disassociate(&rdataset);
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+ } else {
+ /*
+ * Delete RRSIGs for types that no longer exist.
+ */
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0,
+ &rdsiter2);
+ check_result(result, "dns_db_allrdatasets()");
+ for (result = dns_rdatasetiter_first(rdsiter);
+ result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ type = rdataset.type;
+ covers = rdataset.covers;
+ dns_rdataset_disassociate(&rdataset);
+ /*
+ * Delete the NSEC chain if we are signing with
+ * NSEC3.
+ */
+ if (nsec_datatype == dns_rdatatype_nsec3 &&
+ (type == dns_rdatatype_nsec ||
+ covers == dns_rdatatype_nsec))
+ {
+ result = dns_db_deleterdataset(
+ gdb, node, gversion, type, covers);
+ check_result(result, "dns_db_deleterdataset("
+ "nsec/rrsig)");
+ continue;
+ }
+ if (type != dns_rdatatype_rrsig) {
+ continue;
+ }
+ found = false;
+ for (result = dns_rdatasetiter_first(rdsiter2);
+ !found && result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter2))
+ {
+ dns_rdatasetiter_current(rdsiter2, &rdataset);
+ if (rdataset.type == covers) {
+ found = true;
+ }
+ dns_rdataset_disassociate(&rdataset);
+ }
+ if (!found) {
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+ result = dns_db_deleterdataset(
+ gdb, node, gversion, type, covers);
+ check_result(result, "dns_db_deleterdataset("
+ "rrsig)");
+ } else if (result != ISC_R_NOMORE &&
+ result != ISC_R_SUCCESS)
+ {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+ dns_rdatasetiter_destroy(&rdsiter2);
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+
+ return (active);
+}
+
+/*%
+ * Extracts the minimum TTL from the SOA record, and the SOA record's TTL.
+ */
+static void
+get_soa_ttls(void) {
+ dns_rdataset_t soaset;
+ dns_fixedname_t fname;
+ dns_name_t *name;
+ isc_result_t result;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+
+ name = dns_fixedname_initname(&fname);
+ dns_rdataset_init(&soaset);
+ result = dns_db_find(gdb, gorigin, gversion, dns_rdatatype_soa, 0, 0,
+ NULL, name, &soaset, NULL);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to find an SOA at the zone apex: %s",
+ isc_result_totext(result));
+ }
+
+ result = dns_rdataset_first(&soaset);
+ check_result(result, "dns_rdataset_first");
+ dns_rdataset_current(&soaset, &rdata);
+ soa_ttl = soaset.ttl;
+ zone_soa_min_ttl = ISC_MIN(dns_soa_getminimum(&rdata), soa_ttl);
+ if (set_maxttl) {
+ zone_soa_min_ttl = ISC_MIN(zone_soa_min_ttl, maxttl);
+ soa_ttl = ISC_MIN(soa_ttl, maxttl);
+ }
+ dns_rdataset_disassociate(&soaset);
+}
+
+/*%
+ * Increment (or set if nonzero) the SOA serial
+ */
+static isc_result_t
+setsoaserial(uint32_t serial, dns_updatemethod_t method) {
+ isc_result_t result;
+ dns_dbnode_t *node = NULL;
+ dns_rdataset_t rdataset;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ uint32_t old_serial, new_serial = 0;
+ dns_updatemethod_t used = dns_updatemethod_none;
+
+ result = dns_db_getoriginnode(gdb, &node);
+ if (result != ISC_R_SUCCESS) {
+ return (result);
+ }
+
+ dns_rdataset_init(&rdataset);
+
+ result = dns_db_findrdataset(gdb, node, gversion, dns_rdatatype_soa, 0,
+ 0, &rdataset, NULL);
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ result = dns_rdataset_first(&rdataset);
+ RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+ dns_rdataset_current(&rdataset, &rdata);
+
+ old_serial = dns_soa_getserial(&rdata);
+
+ if (method == dns_updatemethod_date ||
+ method == dns_updatemethod_unixtime)
+ {
+ new_serial = dns_update_soaserial(old_serial, method, &used);
+ } else if (serial != 0 || method == dns_updatemethod_none) {
+ /* Set SOA serial to the value provided. */
+ new_serial = serial;
+ used = method;
+ } else {
+ new_serial = dns_update_soaserial(old_serial, method, &used);
+ }
+
+ if (method != used) {
+ fprintf(stderr,
+ "%s: warning: Serial number would not advance, "
+ "using increment method instead\n",
+ program);
+ }
+
+ /* If the new serial is not likely to cause a zone transfer
+ * (a/ixfr) from servers having the old serial, warn the user.
+ *
+ * RFC1982 section 7 defines the maximum increment to be
+ * (2^(32-1))-1. Using u_int32_t arithmetic, we can do a single
+ * comparison. (5 - 6 == (2^32)-1, not negative-one)
+ */
+ if (new_serial == old_serial || (new_serial - old_serial) > 0x7fffffffU)
+ {
+ fprintf(stderr,
+ "%s: warning: Serial number not advanced, "
+ "zone may not transfer\n",
+ program);
+ }
+
+ dns_soa_setserial(new_serial, &rdata);
+
+ result = dns_db_deleterdataset(gdb, node, gversion, dns_rdatatype_soa,
+ 0);
+ check_result(result, "dns_db_deleterdataset");
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ result = dns_db_addrdataset(gdb, node, gversion, 0, &rdataset, 0, NULL);
+ check_result(result, "dns_db_addrdataset");
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+cleanup:
+ dns_rdataset_disassociate(&rdataset);
+ if (node != NULL) {
+ dns_db_detachnode(gdb, &node);
+ }
+ dns_rdata_reset(&rdata);
+
+ return (result);
+}
+
+/*%
+ * Delete any RRSIG records at a node.
+ */
+static void
+cleannode(dns_db_t *db, dns_dbversion_t *dbversion, dns_dbnode_t *node) {
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_rdataset_t set;
+ isc_result_t result, dresult;
+
+ if (outputformat != dns_masterformat_text || !disable_zone_check) {
+ return;
+ }
+
+ dns_rdataset_init(&set);
+ result = dns_db_allrdatasets(db, node, dbversion, 0, 0, &rdsiter);
+ check_result(result, "dns_db_allrdatasets");
+ result = dns_rdatasetiter_first(rdsiter);
+ while (result == ISC_R_SUCCESS) {
+ bool destroy = false;
+ dns_rdatatype_t covers = 0;
+ dns_rdatasetiter_current(rdsiter, &set);
+ if (set.type == dns_rdatatype_rrsig) {
+ covers = set.covers;
+ destroy = true;
+ }
+ dns_rdataset_disassociate(&set);
+ result = dns_rdatasetiter_next(rdsiter);
+ if (destroy) {
+ dresult = dns_db_deleterdataset(db, node, dbversion,
+ dns_rdatatype_rrsig,
+ covers);
+ check_result(dresult, "dns_db_deleterdataset");
+ }
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdataset iteration failed: %s",
+ isc_result_totext(result));
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+}
+
+/*%
+ * Set up the iterator and global state before starting the tasks.
+ */
+static void
+presign(void) {
+ isc_result_t result;
+
+ gdbiter = NULL;
+ result = dns_db_createiterator(gdb, 0, &gdbiter);
+ check_result(result, "dns_db_createiterator()");
+}
+
+/*%
+ * Clean up the iterator and global state after the tasks complete.
+ */
+static void
+postsign(void) {
+ dns_dbiterator_destroy(&gdbiter);
+}
+
+/*%
+ * Sign the apex of the zone.
+ * Note the origin may not be the first node if there are out of zone
+ * records.
+ */
+static void
+signapex(void) {
+ dns_dbnode_t *node = NULL;
+ dns_fixedname_t fixed;
+ dns_name_t *name;
+ isc_result_t result;
+
+ name = dns_fixedname_initname(&fixed);
+ result = dns_dbiterator_seek(gdbiter, gorigin);
+ check_result(result, "dns_dbiterator_seek()");
+ result = dns_dbiterator_current(gdbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ signname(node, name);
+ dumpnode(name, node);
+ cleannode(gdb, gversion, node);
+ dns_db_detachnode(gdb, &node);
+ result = dns_dbiterator_first(gdbiter);
+ if (result == ISC_R_NOMORE) {
+ atomic_store(&finished, true);
+ } else if (result != ISC_R_SUCCESS) {
+ fatal("failure iterating database: %s",
+ isc_result_totext(result));
+ }
+}
+
+/*%
+ * Assigns a node to a worker thread. This is protected by the master task's
+ * lock.
+ */
+static void
+assignwork(isc_task_t *task, isc_task_t *worker) {
+ dns_fixedname_t *fname;
+ dns_name_t *name;
+ dns_dbnode_t *node;
+ sevent_t *sevent;
+ dns_rdataset_t nsec;
+ bool found;
+ isc_result_t result;
+ static dns_name_t *zonecut = NULL; /* Protected by namelock. */
+ static dns_fixedname_t fzonecut; /* Protected by namelock. */
+ static unsigned int ended = 0; /* Protected by namelock. */
+
+ if (atomic_load(&shuttingdown)) {
+ return;
+ }
+
+ LOCK(&namelock);
+ if (atomic_load(&finished)) {
+ ended++;
+ if (ended == ntasks) {
+ isc_task_detach(&task);
+ isc_app_shutdown();
+ }
+ goto unlock;
+ }
+
+ fname = isc_mem_get(mctx, sizeof(dns_fixedname_t));
+ name = dns_fixedname_initname(fname);
+ node = NULL;
+ found = false;
+ while (!found) {
+ result = dns_dbiterator_current(gdbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ /*
+ * The origin was handled by signapex().
+ */
+ if (dns_name_equal(name, gorigin)) {
+ dns_db_detachnode(gdb, &node);
+ goto next;
+ }
+ /*
+ * Sort the zone data from the glue and out-of-zone data.
+ * For NSEC zones nodes with zone data have NSEC records.
+ * For NSEC3 zones the NSEC3 nodes are zone data but
+ * outside of the zone name space. For the rest we need
+ * to track the bottom of zone cuts.
+ * Nodes which don't need to be signed are dumped here.
+ */
+ dns_rdataset_init(&nsec);
+ result = dns_db_findrdataset(gdb, node, gversion, nsec_datatype,
+ 0, 0, &nsec, NULL);
+ if (dns_rdataset_isassociated(&nsec)) {
+ dns_rdataset_disassociate(&nsec);
+ }
+ if (result == ISC_R_SUCCESS) {
+ found = true;
+ } else if (nsec_datatype == dns_rdatatype_nsec3) {
+ if (dns_name_issubdomain(name, gorigin) &&
+ (zonecut == NULL ||
+ !dns_name_issubdomain(name, zonecut)))
+ {
+ if (is_delegation(gdb, gversion, gorigin, name,
+ node, NULL))
+ {
+ zonecut = savezonecut(&fzonecut, name);
+ if (!OPTOUT(nsec3flags) ||
+ secure(name, node))
+ {
+ found = true;
+ }
+ } else if (has_dname(gdb, gversion, node)) {
+ zonecut = savezonecut(&fzonecut, name);
+ found = true;
+ } else {
+ found = true;
+ }
+ }
+ }
+
+ if (!found) {
+ dumpnode(name, node);
+ dns_db_detachnode(gdb, &node);
+ }
+
+ next:
+ result = dns_dbiterator_next(gdbiter);
+ if (result == ISC_R_NOMORE) {
+ atomic_store(&finished, true);
+ break;
+ } else if (result != ISC_R_SUCCESS) {
+ fatal("failure iterating database: %s",
+ isc_result_totext(result));
+ }
+ }
+ if (!found) {
+ ended++;
+ if (ended == ntasks) {
+ isc_task_detach(&task);
+ isc_app_shutdown();
+ }
+ isc_mem_put(mctx, fname, sizeof(dns_fixedname_t));
+ goto unlock;
+ }
+ sevent = (sevent_t *)isc_event_allocate(mctx, task, SIGNER_EVENT_WORK,
+ sign, NULL, sizeof(sevent_t));
+
+ sevent->node = node;
+ sevent->fname = fname;
+ isc_task_send(worker, ISC_EVENT_PTR(&sevent));
+unlock:
+ UNLOCK(&namelock);
+}
+
+/*%
+ * Start a worker task
+ */
+static void
+startworker(isc_task_t *task, isc_event_t *event) {
+ isc_task_t *worker;
+
+ worker = (isc_task_t *)event->ev_arg;
+ assignwork(task, worker);
+ isc_event_free(&event);
+}
+
+/*%
+ * Write a node to the output file, and restart the worker task.
+ */
+static void
+writenode(isc_task_t *task, isc_event_t *event) {
+ isc_task_t *worker;
+ sevent_t *sevent = (sevent_t *)event;
+
+ worker = (isc_task_t *)event->ev_sender;
+ dumpnode(dns_fixedname_name(sevent->fname), sevent->node);
+ cleannode(gdb, gversion, sevent->node);
+ dns_db_detachnode(gdb, &sevent->node);
+ isc_mem_put(mctx, sevent->fname, sizeof(dns_fixedname_t));
+ assignwork(task, worker);
+ isc_event_free(&event);
+}
+
+/*%
+ * Sign a database node.
+ */
+static void
+sign(isc_task_t *task, isc_event_t *event) {
+ dns_fixedname_t *fname;
+ dns_dbnode_t *node;
+ sevent_t *sevent, *wevent;
+
+ sevent = (sevent_t *)event;
+ node = sevent->node;
+ fname = sevent->fname;
+ isc_event_free(&event);
+
+ signname(node, dns_fixedname_name(fname));
+ wevent = (sevent_t *)isc_event_allocate(mctx, task, SIGNER_EVENT_WRITE,
+ writenode, NULL,
+ sizeof(sevent_t));
+ wevent->node = node;
+ wevent->fname = fname;
+ isc_task_send(master, ISC_EVENT_PTR(&wevent));
+}
+
+/*%
+ * Update / remove the DS RRset. Preserve RRSIG(DS) if possible.
+ */
+static void
+add_ds(dns_name_t *name, dns_dbnode_t *node, uint32_t nsttl) {
+ dns_rdataset_t dsset;
+ dns_rdataset_t sigdsset;
+ isc_result_t result;
+
+ dns_rdataset_init(&dsset);
+ dns_rdataset_init(&sigdsset);
+ result = dns_db_findrdataset(gdb, node, gversion, dns_rdatatype_ds, 0,
+ 0, &dsset, &sigdsset);
+ if (result == ISC_R_SUCCESS) {
+ dns_rdataset_disassociate(&dsset);
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ dns_rdatatype_ds, 0);
+ check_result(result, "dns_db_deleterdataset");
+ }
+
+ result = loadds(name, nsttl, &dsset);
+ if (result == ISC_R_SUCCESS) {
+ result = dns_db_addrdataset(gdb, node, gversion, 0, &dsset, 0,
+ NULL);
+ check_result(result, "dns_db_addrdataset");
+ dns_rdataset_disassociate(&dsset);
+ if (dns_rdataset_isassociated(&sigdsset)) {
+ dns_rdataset_disassociate(&sigdsset);
+ }
+ } else if (dns_rdataset_isassociated(&sigdsset)) {
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ dns_rdatatype_rrsig,
+ dns_rdatatype_ds);
+ check_result(result, "dns_db_deleterdataset");
+ dns_rdataset_disassociate(&sigdsset);
+ }
+}
+
+/*
+ * Remove records of the given type and their signatures.
+ */
+static void
+remove_records(dns_dbnode_t *node, dns_rdatatype_t which, bool checknsec) {
+ isc_result_t result;
+ dns_rdatatype_t type, covers;
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_rdataset_t rdataset;
+
+ dns_rdataset_init(&rdataset);
+
+ /*
+ * Delete any records of the given type at the apex.
+ */
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0, &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ type = rdataset.type;
+ covers = rdataset.covers;
+ dns_rdataset_disassociate(&rdataset);
+ if (type == which || covers == which) {
+ if (which == dns_rdatatype_nsec && checknsec &&
+ !update_chain)
+ {
+ fatal("Zone contains NSEC records. Use -u "
+ "to update to NSEC3.");
+ }
+ if (which == dns_rdatatype_nsec3param && checknsec &&
+ !update_chain)
+ {
+ fatal("Zone contains NSEC3 chains. Use -u "
+ "to update to NSEC.");
+ }
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ type, covers);
+ check_result(result, "dns_db_deleterdataset()");
+ }
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+}
+
+/*
+ * Remove signatures covering the given type. If type == 0,
+ * then remove all signatures, unless this is a delegation, in
+ * which case remove all signatures except for DS or nsec_datatype
+ */
+static void
+remove_sigs(dns_dbnode_t *node, bool delegation, dns_rdatatype_t which) {
+ isc_result_t result;
+ dns_rdatatype_t type, covers;
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_rdataset_t rdataset;
+
+ dns_rdataset_init(&rdataset);
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0, &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ for (result = dns_rdatasetiter_first(rdsiter); result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ type = rdataset.type;
+ covers = rdataset.covers;
+ dns_rdataset_disassociate(&rdataset);
+
+ if (type != dns_rdatatype_rrsig) {
+ continue;
+ }
+
+ if (which == 0 && delegation &&
+ (dns_rdatatype_atparent(covers) ||
+ (nsec_datatype == dns_rdatatype_nsec &&
+ covers == nsec_datatype)))
+ {
+ continue;
+ }
+
+ if (which != 0 && covers != which) {
+ continue;
+ }
+
+ result = dns_db_deleterdataset(gdb, node, gversion, type,
+ covers);
+ check_result(result, "dns_db_deleterdataset()");
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+}
+
+/*%
+ * Generate NSEC records for the zone and remove NSEC3/NSEC3PARAM records.
+ */
+static void
+nsecify(void) {
+ dns_dbiterator_t *dbiter = NULL;
+ dns_dbnode_t *node = NULL, *nextnode = NULL;
+ dns_fixedname_t fname, fnextname, fzonecut;
+ dns_name_t *name, *nextname, *zonecut;
+ dns_rdataset_t rdataset;
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_rdatatype_t type, covers;
+ bool done = false;
+ isc_result_t result;
+ uint32_t nsttl = 0;
+
+ dns_rdataset_init(&rdataset);
+ name = dns_fixedname_initname(&fname);
+ nextname = dns_fixedname_initname(&fnextname);
+ zonecut = NULL;
+
+ /*
+ * Remove any NSEC3 chains.
+ */
+ result = dns_db_createiterator(gdb, DNS_DB_NSEC3ONLY, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+ for (result = dns_dbiterator_first(dbiter); result == ISC_R_SUCCESS;
+ result = dns_dbiterator_next(dbiter))
+ {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0,
+ &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ for (result = dns_rdatasetiter_first(rdsiter);
+ result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ type = rdataset.type;
+ covers = rdataset.covers;
+ dns_rdataset_disassociate(&rdataset);
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ type, covers);
+ check_result(result, "dns_db_deleterdataset(nsec3param/"
+ "rrsig)");
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+ dns_db_detachnode(gdb, &node);
+ }
+ dns_dbiterator_destroy(&dbiter);
+
+ result = dns_db_createiterator(gdb, DNS_DB_NONSEC3, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+
+ result = dns_dbiterator_first(dbiter);
+ check_result(result, "dns_dbiterator_first()");
+
+ while (!done) {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ /*
+ * Skip out-of-zone records.
+ */
+ if (!dns_name_issubdomain(name, gorigin)) {
+ result = dns_dbiterator_next(dbiter);
+ if (result == ISC_R_NOMORE) {
+ done = true;
+ } else {
+ check_result(result, "dns_dbiterator_next()");
+ }
+ dns_db_detachnode(gdb, &node);
+ continue;
+ }
+
+ if (dns_name_equal(name, gorigin)) {
+ remove_records(node, dns_rdatatype_nsec3param, true);
+ /* Clean old rrsigs at apex. */
+ (void)active_node(node);
+ }
+
+ if (is_delegation(gdb, gversion, gorigin, name, node, &nsttl)) {
+ zonecut = savezonecut(&fzonecut, name);
+ remove_sigs(node, true, 0);
+ if (generateds) {
+ add_ds(name, node, nsttl);
+ }
+ } else if (has_dname(gdb, gversion, node)) {
+ zonecut = savezonecut(&fzonecut, name);
+ }
+
+ result = dns_dbiterator_next(dbiter);
+ nextnode = NULL;
+ while (result == ISC_R_SUCCESS) {
+ bool active = false;
+ result = dns_dbiterator_current(dbiter, &nextnode,
+ nextname);
+ check_dns_dbiterator_current(result);
+ active = active_node(nextnode);
+ if (!active) {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ if (!dns_name_issubdomain(nextname, gorigin) ||
+ (zonecut != NULL &&
+ dns_name_issubdomain(nextname, zonecut)))
+ {
+ remove_sigs(nextnode, false, 0);
+ remove_records(nextnode, dns_rdatatype_nsec,
+ false);
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ dns_db_detachnode(gdb, &nextnode);
+ break;
+ }
+ if (result == ISC_R_NOMORE) {
+ dns_name_clone(gorigin, nextname);
+ done = true;
+ } else if (result != ISC_R_SUCCESS) {
+ fatal("iterating through the database failed: %s",
+ isc_result_totext(result));
+ }
+ dns_dbiterator_pause(dbiter);
+ result = dns_nsec_build(gdb, gversion, node, nextname,
+ zone_soa_min_ttl);
+ check_result(result, "dns_nsec_build()");
+ dns_db_detachnode(gdb, &node);
+ }
+
+ dns_dbiterator_destroy(&dbiter);
+}
+
+static void
+addnsec3param(const unsigned char *salt, size_t salt_len,
+ dns_iterations_t iterations) {
+ dns_dbnode_t *node = NULL;
+ dns_rdata_nsec3param_t nsec3param;
+ unsigned char nsec3parambuf[5 + 255];
+ dns_rdatalist_t rdatalist;
+ dns_rdataset_t rdataset;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ isc_buffer_t b;
+ isc_result_t result;
+
+ dns_rdataset_init(&rdataset);
+
+ nsec3param.common.rdclass = gclass;
+ nsec3param.common.rdtype = dns_rdatatype_nsec3param;
+ ISC_LINK_INIT(&nsec3param.common, link);
+ nsec3param.mctx = NULL;
+ nsec3param.flags = 0;
+ nsec3param.hash = unknownalg ? DNS_NSEC3_UNKNOWNALG : dns_hash_sha1;
+ nsec3param.iterations = iterations;
+ nsec3param.salt_length = (unsigned char)salt_len;
+ DE_CONST(salt, nsec3param.salt);
+
+ isc_buffer_init(&b, nsec3parambuf, sizeof(nsec3parambuf));
+ result = dns_rdata_fromstruct(&rdata, gclass, dns_rdatatype_nsec3param,
+ &nsec3param, &b);
+ check_result(result, "dns_rdata_fromstruct()");
+ dns_rdatalist_init(&rdatalist);
+ rdatalist.rdclass = rdata.rdclass;
+ rdatalist.type = rdata.type;
+ ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+ result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ check_result(result, "dns_rdatalist_tordataset()");
+
+ result = dns_db_findnode(gdb, gorigin, true, &node);
+ check_result(result, "dns_db_findnode(gorigin)");
+
+ /*
+ * Delete any current NSEC3PARAM records.
+ */
+ result = dns_db_deleterdataset(gdb, node, gversion,
+ dns_rdatatype_nsec3param, 0);
+ if (result == DNS_R_UNCHANGED) {
+ result = ISC_R_SUCCESS;
+ }
+ check_result(result, "dddnsec3param: dns_db_deleterdataset()");
+
+ result = dns_db_addrdataset(gdb, node, gversion, 0, &rdataset,
+ DNS_DBADD_MERGE, NULL);
+ if (result == DNS_R_UNCHANGED) {
+ result = ISC_R_SUCCESS;
+ }
+ check_result(result, "addnsec3param: dns_db_addrdataset()");
+ dns_db_detachnode(gdb, &node);
+}
+
+static void
+addnsec3(dns_name_t *name, dns_dbnode_t *node, const unsigned char *salt,
+ size_t salt_len, unsigned int iterations, hashlist_t *hashlist,
+ dns_ttl_t ttl) {
+ unsigned char hash[NSEC3_MAX_HASH_LENGTH];
+ const unsigned char *nexthash;
+ unsigned char nsec3buffer[DNS_NSEC3_BUFFERSIZE];
+ dns_fixedname_t hashname;
+ dns_rdatalist_t rdatalist;
+ dns_rdataset_t rdataset;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ isc_result_t result;
+ dns_dbnode_t *nsec3node = NULL;
+ char namebuf[DNS_NAME_FORMATSIZE];
+ size_t hash_len;
+
+ dns_name_format(name, namebuf, sizeof(namebuf));
+
+ dns_fixedname_init(&hashname);
+ dns_rdataset_init(&rdataset);
+
+ dns_name_downcase(name, name, NULL);
+ result = dns_nsec3_hashname(&hashname, hash, &hash_len, name, gorigin,
+ dns_hash_sha1, iterations, salt, salt_len);
+ check_result(result, "addnsec3: dns_nsec3_hashname()");
+ nexthash = hashlist_findnext(hashlist, hash);
+ result = dns_nsec3_buildrdata(
+ gdb, gversion, node,
+ unknownalg ? DNS_NSEC3_UNKNOWNALG : dns_hash_sha1, nsec3flags,
+ iterations, salt, salt_len, nexthash, ISC_SHA1_DIGESTLENGTH,
+ nsec3buffer, &rdata);
+ check_result(result, "addnsec3: dns_nsec3_buildrdata()");
+ dns_rdatalist_init(&rdatalist);
+ rdatalist.rdclass = rdata.rdclass;
+ rdatalist.type = rdata.type;
+ rdatalist.ttl = ttl;
+ ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+ result = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ check_result(result, "dns_rdatalist_tordataset()");
+ result = dns_db_findnsec3node(gdb, dns_fixedname_name(&hashname), true,
+ &nsec3node);
+ check_result(result, "addnsec3: dns_db_findnode()");
+ result = dns_db_addrdataset(gdb, nsec3node, gversion, 0, &rdataset, 0,
+ NULL);
+ if (result == DNS_R_UNCHANGED) {
+ result = ISC_R_SUCCESS;
+ }
+ check_result(result, "addnsec3: dns_db_addrdataset()");
+ dns_db_detachnode(gdb, &nsec3node);
+}
+
+/*%
+ * Clean out NSEC3 record and RRSIG(NSEC3) that are not in the hash list.
+ *
+ * Extract the hash from the first label of 'name' then see if it
+ * is in hashlist. If 'name' is not in the hashlist then delete the
+ * any NSEC3 records which have the same parameters as the chain we
+ * are building.
+ *
+ * XXXMPA Should we also check that it of the form &lt;hash&gt;.&lt;origin&gt;?
+ */
+static void
+nsec3clean(dns_name_t *name, dns_dbnode_t *node, unsigned int hashalg,
+ unsigned int iterations, const unsigned char *salt, size_t salt_len,
+ hashlist_t *hashlist) {
+ dns_label_t label;
+ dns_rdata_nsec3_t nsec3;
+ dns_rdata_t rdata, delrdata;
+ dns_rdatalist_t rdatalist;
+ dns_rdataset_t rdataset, delrdataset;
+ bool delete_rrsigs = false;
+ isc_buffer_t target;
+ isc_result_t result;
+ unsigned char hash[NSEC3_MAX_HASH_LENGTH + 1];
+ bool exists;
+
+ /*
+ * Get the first label.
+ */
+ dns_name_getlabel(name, 0, &label);
+
+ /*
+ * We want just the label contents.
+ */
+ isc_region_consume(&label, 1);
+
+ /*
+ * Decode base32hex string.
+ */
+ isc_buffer_init(&target, hash, sizeof(hash) - 1);
+ result = isc_base32hex_decoderegion(&label, &target);
+ if (result != ISC_R_SUCCESS) {
+ return;
+ }
+
+ hash[isc_buffer_usedlength(&target)] = 0;
+
+ exists = hashlist_exists(hashlist, hash);
+
+ /*
+ * Verify that the NSEC3 parameters match the current ones
+ * otherwise we are dealing with a different NSEC3 chain.
+ */
+ dns_rdataset_init(&rdataset);
+ dns_rdataset_init(&delrdataset);
+
+ result = dns_db_findrdataset(gdb, node, gversion, dns_rdatatype_nsec3,
+ 0, 0, &rdataset, NULL);
+ if (result != ISC_R_SUCCESS) {
+ return;
+ }
+
+ /*
+ * Delete any NSEC3 records which are not part of the current
+ * NSEC3 chain.
+ */
+ for (result = dns_rdataset_first(&rdataset); result == ISC_R_SUCCESS;
+ result = dns_rdataset_next(&rdataset))
+ {
+ dns_rdata_init(&rdata);
+ dns_rdataset_current(&rdataset, &rdata);
+ result = dns_rdata_tostruct(&rdata, &nsec3, NULL);
+ check_result(result, "dns_rdata_tostruct");
+ if (exists && nsec3.hash == hashalg &&
+ nsec3.iterations == iterations &&
+ nsec3.salt_length == salt_len &&
+ isc_safe_memequal(nsec3.salt, salt, salt_len))
+ {
+ continue;
+ }
+ dns_rdatalist_init(&rdatalist);
+ rdatalist.rdclass = rdata.rdclass;
+ rdatalist.type = rdata.type;
+ if (set_maxttl) {
+ rdatalist.ttl = ISC_MIN(rdataset.ttl, maxttl);
+ }
+ dns_rdata_init(&delrdata);
+ dns_rdata_clone(&rdata, &delrdata);
+ ISC_LIST_APPEND(rdatalist.rdata, &delrdata, link);
+ result = dns_rdatalist_tordataset(&rdatalist, &delrdataset);
+ check_result(result, "dns_rdatalist_tordataset()");
+ result = dns_db_subtractrdataset(gdb, node, gversion,
+ &delrdataset, 0, NULL);
+ dns_rdataset_disassociate(&delrdataset);
+ if (result != ISC_R_SUCCESS && result != DNS_R_NXRRSET) {
+ check_result(result, "dns_db_subtractrdataset(NSEC3)");
+ }
+ delete_rrsigs = true;
+ }
+ dns_rdataset_disassociate(&rdataset);
+ if (result != ISC_R_NOMORE) {
+ check_result(result, "dns_rdataset_first/next");
+ }
+
+ if (!delete_rrsigs) {
+ return;
+ }
+ /*
+ * Delete the NSEC3 RRSIGs
+ */
+ result = dns_db_deleterdataset(gdb, node, gversion, dns_rdatatype_rrsig,
+ dns_rdatatype_nsec3);
+ if (result != ISC_R_SUCCESS && result != DNS_R_UNCHANGED) {
+ check_result(result, "dns_db_deleterdataset(RRSIG(NSEC3))");
+ }
+}
+
+static void
+rrset_cleanup(dns_name_t *name, dns_rdataset_t *rdataset, dns_diff_t *add,
+ dns_diff_t *del) {
+ isc_result_t result;
+ unsigned int count1 = 0;
+ dns_rdataset_t tmprdataset;
+ char namestr[DNS_NAME_FORMATSIZE];
+ char typestr[DNS_RDATATYPE_FORMATSIZE];
+
+ dns_name_format(name, namestr, sizeof(namestr));
+ dns_rdatatype_format(rdataset->type, typestr, sizeof(typestr));
+
+ dns_rdataset_init(&tmprdataset);
+ for (result = dns_rdataset_first(rdataset); result == ISC_R_SUCCESS;
+ result = dns_rdataset_next(rdataset))
+ {
+ dns_rdata_t rdata1 = DNS_RDATA_INIT;
+ unsigned int count2 = 0;
+
+ count1++;
+ dns_rdataset_current(rdataset, &rdata1);
+ dns_rdataset_clone(rdataset, &tmprdataset);
+ for (result = dns_rdataset_first(&tmprdataset);
+ result == ISC_R_SUCCESS;
+ result = dns_rdataset_next(&tmprdataset))
+ {
+ dns_rdata_t rdata2 = DNS_RDATA_INIT;
+ dns_difftuple_t *tuple = NULL;
+ count2++;
+ dns_rdataset_current(&tmprdataset, &rdata2);
+ if (count1 < count2 &&
+ dns_rdata_casecompare(&rdata1, &rdata2) == 0)
+ {
+ vbprintf(2, "removing duplicate at %s/%s\n",
+ namestr, typestr);
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_DELRESIGN, name,
+ rdataset->ttl, &rdata2, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(del, &tuple);
+ } else if (set_maxttl && rdataset->ttl > maxttl) {
+ vbprintf(2,
+ "reducing ttl of %s/%s "
+ "from %d to %d\n",
+ namestr, typestr, rdataset->ttl,
+ maxttl);
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_DELRESIGN, name,
+ rdataset->ttl, &rdata2, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(del, &tuple);
+ tuple = NULL;
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_ADDRESIGN, name,
+ maxttl, &rdata2, &tuple);
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(add, &tuple);
+ }
+ }
+ dns_rdataset_disassociate(&tmprdataset);
+ }
+}
+
+static void
+cleanup_zone(void) {
+ isc_result_t result;
+ dns_dbiterator_t *dbiter = NULL;
+ dns_rdatasetiter_t *rdsiter = NULL;
+ dns_diff_t add, del;
+ dns_dbnode_t *node = NULL;
+ dns_rdataset_t rdataset;
+ dns_fixedname_t fname;
+ dns_name_t *name;
+
+ dns_diff_init(mctx, &add);
+ dns_diff_init(mctx, &del);
+ name = dns_fixedname_initname(&fname);
+ dns_rdataset_init(&rdataset);
+
+ result = dns_db_createiterator(gdb, 0, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+
+ for (result = dns_dbiterator_first(dbiter); result == ISC_R_SUCCESS;
+ result = dns_dbiterator_next(dbiter))
+ {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ result = dns_db_allrdatasets(gdb, node, gversion, 0, 0,
+ &rdsiter);
+ check_result(result, "dns_db_allrdatasets()");
+ for (result = dns_rdatasetiter_first(rdsiter);
+ result == ISC_R_SUCCESS;
+ result = dns_rdatasetiter_next(rdsiter))
+ {
+ dns_rdatasetiter_current(rdsiter, &rdataset);
+ rrset_cleanup(name, &rdataset, &add, &del);
+ dns_rdataset_disassociate(&rdataset);
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("rdatasets iteration failed.");
+ }
+ dns_rdatasetiter_destroy(&rdsiter);
+ dns_db_detachnode(gdb, &node);
+ }
+ if (result != ISC_R_NOMORE) {
+ fatal("zone iteration failed.");
+ }
+
+ result = dns_diff_applysilently(&del, gdb, gversion);
+ check_result(result, "dns_diff_applysilently");
+
+ result = dns_diff_applysilently(&add, gdb, gversion);
+ check_result(result, "dns_diff_applysilently");
+
+ dns_diff_clear(&del);
+ dns_diff_clear(&add);
+ dns_dbiterator_destroy(&dbiter);
+}
+
+/*
+ * Generate NSEC3 records for the zone.
+ */
+static void
+nsec3ify(unsigned int hashalg, dns_iterations_t iterations,
+ const unsigned char *salt, size_t salt_len, hashlist_t *hashlist) {
+ dns_dbiterator_t *dbiter = NULL;
+ dns_dbnode_t *node = NULL, *nextnode = NULL;
+ dns_fixedname_t fname, fnextname, fzonecut;
+ dns_name_t *name, *nextname, *zonecut;
+ dns_rdataset_t rdataset;
+ int order;
+ bool active;
+ bool done = false;
+ isc_result_t result;
+ uint32_t nsttl = 0;
+ unsigned int count, nlabels;
+
+ dns_rdataset_init(&rdataset);
+ name = dns_fixedname_initname(&fname);
+ nextname = dns_fixedname_initname(&fnextname);
+ zonecut = NULL;
+
+ /*
+ * Walk the zone generating the hash names.
+ */
+ result = dns_db_createiterator(gdb, DNS_DB_NONSEC3, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+
+ result = dns_dbiterator_first(dbiter);
+ check_result(result, "dns_dbiterator_first()");
+
+ while (!done) {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ /*
+ * Skip out-of-zone records.
+ */
+ if (!dns_name_issubdomain(name, gorigin)) {
+ result = dns_dbiterator_next(dbiter);
+ if (result == ISC_R_NOMORE) {
+ done = true;
+ } else {
+ check_result(result, "dns_dbiterator_next()");
+ }
+ dns_db_detachnode(gdb, &node);
+ continue;
+ }
+
+ if (dns_name_equal(name, gorigin)) {
+ remove_records(node, dns_rdatatype_nsec, true);
+ /* Clean old rrsigs at apex. */
+ (void)active_node(node);
+ }
+
+ if (has_dname(gdb, gversion, node)) {
+ zonecut = savezonecut(&fzonecut, name);
+ }
+
+ result = dns_dbiterator_next(dbiter);
+ nextnode = NULL;
+ while (result == ISC_R_SUCCESS) {
+ result = dns_dbiterator_current(dbiter, &nextnode,
+ nextname);
+ check_dns_dbiterator_current(result);
+ active = active_node(nextnode);
+ if (!active) {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ if (!dns_name_issubdomain(nextname, gorigin) ||
+ (zonecut != NULL &&
+ dns_name_issubdomain(nextname, zonecut)))
+ {
+ remove_sigs(nextnode, false, 0);
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ if (is_delegation(gdb, gversion, gorigin, nextname,
+ nextnode, &nsttl))
+ {
+ zonecut = savezonecut(&fzonecut, nextname);
+ remove_sigs(nextnode, true, 0);
+ if (generateds) {
+ add_ds(nextname, nextnode, nsttl);
+ }
+ if (OPTOUT(nsec3flags) &&
+ !secure(nextname, nextnode))
+ {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ } else if (has_dname(gdb, gversion, nextnode)) {
+ zonecut = savezonecut(&fzonecut, nextname);
+ }
+ dns_db_detachnode(gdb, &nextnode);
+ break;
+ }
+ if (result == ISC_R_NOMORE) {
+ dns_name_copynf(gorigin, nextname);
+ done = true;
+ } else if (result != ISC_R_SUCCESS) {
+ fatal("iterating through the database failed: %s",
+ isc_result_totext(result));
+ }
+ dns_name_downcase(name, name, NULL);
+ hashlist_add_dns_name(hashlist, name, hashalg, iterations, salt,
+ salt_len, false);
+ dns_db_detachnode(gdb, &node);
+ /*
+ * Add hashes for empty nodes. Use closest encloser logic.
+ * The closest encloser either has data or is a empty
+ * node for another <name,nextname> span so we don't add
+ * it here. Empty labels on nextname are within the span.
+ */
+ dns_name_downcase(nextname, nextname, NULL);
+ dns_name_fullcompare(name, nextname, &order, &nlabels);
+ addnowildcardhash(hashlist, name, hashalg, iterations, salt,
+ salt_len);
+ count = dns_name_countlabels(nextname);
+ while (count > nlabels + 1) {
+ count--;
+ dns_name_split(nextname, count, NULL, nextname);
+ hashlist_add_dns_name(hashlist, nextname, hashalg,
+ iterations, salt, salt_len,
+ false);
+ addnowildcardhash(hashlist, nextname, hashalg,
+ iterations, salt, salt_len);
+ }
+ }
+ dns_dbiterator_destroy(&dbiter);
+
+ /*
+ * We have all the hashes now so we can sort them.
+ */
+ hashlist_sort(hashlist);
+
+ /*
+ * Check for duplicate hashes. If found the salt needs to
+ * be changed.
+ */
+ if (hashlist_hasdup(hashlist)) {
+ fatal("Duplicate hash detected. Pick a different salt.");
+ }
+
+ /*
+ * Generate the nsec3 records.
+ */
+ zonecut = NULL;
+ done = false;
+
+ addnsec3param(salt, salt_len, iterations);
+
+ /*
+ * Clean out NSEC3 records which don't match this chain.
+ */
+ result = dns_db_createiterator(gdb, DNS_DB_NSEC3ONLY, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+
+ for (result = dns_dbiterator_first(dbiter); result == ISC_R_SUCCESS;
+ result = dns_dbiterator_next(dbiter))
+ {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ nsec3clean(name, node, hashalg, iterations, salt, salt_len,
+ hashlist);
+ dns_db_detachnode(gdb, &node);
+ }
+ dns_dbiterator_destroy(&dbiter);
+
+ /*
+ * Generate / complete the new chain.
+ */
+ result = dns_db_createiterator(gdb, DNS_DB_NONSEC3, &dbiter);
+ check_result(result, "dns_db_createiterator()");
+
+ result = dns_dbiterator_first(dbiter);
+ check_result(result, "dns_dbiterator_first()");
+
+ while (!done) {
+ result = dns_dbiterator_current(dbiter, &node, name);
+ check_dns_dbiterator_current(result);
+ /*
+ * Skip out-of-zone records.
+ */
+ if (!dns_name_issubdomain(name, gorigin)) {
+ result = dns_dbiterator_next(dbiter);
+ if (result == ISC_R_NOMORE) {
+ done = true;
+ } else {
+ check_result(result, "dns_dbiterator_next()");
+ }
+ dns_db_detachnode(gdb, &node);
+ continue;
+ }
+
+ if (has_dname(gdb, gversion, node)) {
+ zonecut = savezonecut(&fzonecut, name);
+ }
+
+ result = dns_dbiterator_next(dbiter);
+ nextnode = NULL;
+ while (result == ISC_R_SUCCESS) {
+ result = dns_dbiterator_current(dbiter, &nextnode,
+ nextname);
+ check_dns_dbiterator_current(result);
+ active = active_node(nextnode);
+ if (!active) {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ if (!dns_name_issubdomain(nextname, gorigin) ||
+ (zonecut != NULL &&
+ dns_name_issubdomain(nextname, zonecut)))
+ {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ if (is_delegation(gdb, gversion, gorigin, nextname,
+ nextnode, NULL))
+ {
+ zonecut = savezonecut(&fzonecut, nextname);
+ if (OPTOUT(nsec3flags) &&
+ !secure(nextname, nextnode))
+ {
+ dns_db_detachnode(gdb, &nextnode);
+ result = dns_dbiterator_next(dbiter);
+ continue;
+ }
+ } else if (has_dname(gdb, gversion, nextnode)) {
+ zonecut = savezonecut(&fzonecut, nextname);
+ }
+ dns_db_detachnode(gdb, &nextnode);
+ break;
+ }
+ if (result == ISC_R_NOMORE) {
+ dns_name_copynf(gorigin, nextname);
+ done = true;
+ } else if (result != ISC_R_SUCCESS) {
+ fatal("iterating through the database failed: %s",
+ isc_result_totext(result));
+ }
+ /*
+ * We need to pause here to release the lock on the database.
+ */
+ dns_dbiterator_pause(dbiter);
+ addnsec3(name, node, salt, salt_len, iterations, hashlist,
+ zone_soa_min_ttl);
+ dns_db_detachnode(gdb, &node);
+ /*
+ * Add NSEC3's for empty nodes. Use closest encloser logic.
+ */
+ dns_name_fullcompare(name, nextname, &order, &nlabels);
+ count = dns_name_countlabels(nextname);
+ while (count > nlabels + 1) {
+ count--;
+ dns_name_split(nextname, count, NULL, nextname);
+ addnsec3(nextname, NULL, salt, salt_len, iterations,
+ hashlist, zone_soa_min_ttl);
+ }
+ }
+ dns_dbiterator_destroy(&dbiter);
+}
+
+/*%
+ * Load the zone file from disk
+ */
+static void
+loadzone(char *file, char *origin, dns_rdataclass_t rdclass, dns_db_t **db) {
+ isc_buffer_t b;
+ int len;
+ dns_fixedname_t fname;
+ dns_name_t *name;
+ isc_result_t result;
+
+ len = strlen(origin);
+ isc_buffer_init(&b, origin, len);
+ isc_buffer_add(&b, len);
+
+ name = dns_fixedname_initname(&fname);
+ result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed converting name '%s' to dns format: %s", origin,
+ isc_result_totext(result));
+ }
+
+ result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone, rdclass, 0,
+ NULL, db);
+ check_result(result, "dns_db_create()");
+
+ result = dns_db_load(*db, file, inputformat, 0);
+ if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) {
+ fatal("failed loading zone from '%s': %s", file,
+ isc_result_totext(result));
+ }
+}
+
+/*%
+ * Finds all public zone keys in the zone, and attempts to load the
+ * private keys from disk.
+ */
+static void
+loadzonekeys(bool preserve_keys, bool load_public) {
+ dns_dbnode_t *node;
+ dns_dbversion_t *currentversion = NULL;
+ isc_result_t result;
+ dns_rdataset_t rdataset, keysigs, soasigs;
+
+ node = NULL;
+ result = dns_db_findnode(gdb, gorigin, false, &node);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to find the zone's origin: %s",
+ isc_result_totext(result));
+ }
+
+ dns_db_currentversion(gdb, &currentversion);
+
+ dns_rdataset_init(&rdataset);
+ dns_rdataset_init(&soasigs);
+ dns_rdataset_init(&keysigs);
+
+ /* Make note of the keys which signed the SOA, if any */
+ result = dns_db_findrdataset(gdb, node, currentversion,
+ dns_rdatatype_soa, 0, 0, &rdataset,
+ &soasigs);
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ /* Preserve the TTL of the DNSKEY RRset, if any */
+ dns_rdataset_disassociate(&rdataset);
+ result = dns_db_findrdataset(gdb, node, currentversion,
+ dns_rdatatype_dnskey, 0, 0, &rdataset,
+ &keysigs);
+
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ if (set_keyttl && keyttl != rdataset.ttl) {
+ fprintf(stderr,
+ "User-specified TTL %u conflicts "
+ "with existing DNSKEY RRset TTL.\n",
+ keyttl);
+ fprintf(stderr,
+ "Imported keys will use the RRSet "
+ "TTL %u instead.\n",
+ rdataset.ttl);
+ }
+ keyttl = rdataset.ttl;
+
+ /* Load keys corresponding to the existing DNSKEY RRset. */
+ result = dns_dnssec_keylistfromrdataset(
+ gorigin, directory, mctx, &rdataset, &keysigs, &soasigs,
+ preserve_keys, load_public, &keylist);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to load the zone keys: %s",
+ isc_result_totext(result));
+ }
+
+cleanup:
+ if (dns_rdataset_isassociated(&rdataset)) {
+ dns_rdataset_disassociate(&rdataset);
+ }
+ if (dns_rdataset_isassociated(&keysigs)) {
+ dns_rdataset_disassociate(&keysigs);
+ }
+ if (dns_rdataset_isassociated(&soasigs)) {
+ dns_rdataset_disassociate(&soasigs);
+ }
+ dns_db_detachnode(gdb, &node);
+ dns_db_closeversion(gdb, &currentversion, false);
+}
+
+static void
+loadexplicitkeys(char *keyfiles[], int n, bool setksk) {
+ isc_result_t result;
+ int i;
+
+ for (i = 0; i < n; i++) {
+ dns_dnsseckey_t *key = NULL;
+ dst_key_t *newkey = NULL;
+
+ result = dst_key_fromnamedfile(
+ keyfiles[i], directory,
+ DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, mctx, &newkey);
+ if (result != ISC_R_SUCCESS) {
+ fatal("cannot load dnskey %s: %s", keyfiles[i],
+ isc_result_totext(result));
+ }
+
+ if (!dns_name_equal(gorigin, dst_key_name(newkey))) {
+ fatal("key %s not at origin\n", keyfiles[i]);
+ }
+
+ if (!dst_key_isprivate(newkey)) {
+ fatal("cannot sign zone with non-private dnskey %s",
+ keyfiles[i]);
+ }
+
+ /* Skip any duplicates */
+ for (key = ISC_LIST_HEAD(keylist); key != NULL;
+ key = ISC_LIST_NEXT(key, link))
+ {
+ if (dst_key_id(key->key) == dst_key_id(newkey) &&
+ dst_key_alg(key->key) == dst_key_alg(newkey))
+ {
+ break;
+ }
+ }
+
+ if (key == NULL) {
+ /* We haven't seen this key before */
+ dns_dnsseckey_create(mctx, &newkey, &key);
+ ISC_LIST_APPEND(keylist, key, link);
+ key->source = dns_keysource_user;
+ } else {
+ dst_key_free(&key->key);
+ key->key = newkey;
+ }
+
+ key->force_publish = true;
+ key->force_sign = true;
+
+ if (setksk) {
+ key->ksk = true;
+ }
+ }
+}
+
+static void
+report(const char *format, ...) {
+ if (!quiet) {
+ FILE *out = output_stdout ? stderr : stdout;
+ char buf[4096];
+ va_list args;
+
+ va_start(args, format);
+ vsnprintf(buf, sizeof(buf), format, args);
+ va_end(args);
+ fprintf(out, "%s\n", buf);
+ }
+}
+
+static void
+clear_keylist(dns_dnsseckeylist_t *list) {
+ dns_dnsseckey_t *key;
+ while (!ISC_LIST_EMPTY(*list)) {
+ key = ISC_LIST_HEAD(*list);
+ ISC_LIST_UNLINK(*list, key, link);
+ dns_dnsseckey_destroy(mctx, &key);
+ }
+}
+
+static void
+build_final_keylist(void) {
+ isc_result_t result;
+ dns_dbnode_t *node = NULL;
+ dns_dbversion_t *ver = NULL;
+ dns_diff_t diff;
+ dns_dnsseckeylist_t rmkeys, matchkeys;
+ char name[DNS_NAME_FORMATSIZE];
+ dns_rdataset_t cdsset, cdnskeyset, soaset;
+
+ ISC_LIST_INIT(rmkeys);
+ ISC_LIST_INIT(matchkeys);
+
+ dns_rdataset_init(&soaset);
+ dns_rdataset_init(&cdsset);
+ dns_rdataset_init(&cdnskeyset);
+
+ /*
+ * Find keys that match this zone in the key repository.
+ */
+ result = dns_dnssec_findmatchingkeys(gorigin, directory, now, mctx,
+ &matchkeys);
+ if (result == ISC_R_NOTFOUND) {
+ result = ISC_R_SUCCESS;
+ }
+ check_result(result, "dns_dnssec_findmatchingkeys");
+
+ result = dns_db_newversion(gdb, &ver);
+ check_result(result, "dns_db_newversion");
+
+ result = dns_db_getoriginnode(gdb, &node);
+ check_result(result, "dns_db_getoriginnode");
+
+ /* Get the CDS rdataset */
+ result = dns_db_findrdataset(gdb, node, ver, dns_rdatatype_cds,
+ dns_rdatatype_none, 0, &cdsset, NULL);
+ if (result != ISC_R_SUCCESS && dns_rdataset_isassociated(&cdsset)) {
+ dns_rdataset_disassociate(&cdsset);
+ }
+
+ /* Get the CDNSKEY rdataset */
+ result = dns_db_findrdataset(gdb, node, ver, dns_rdatatype_cdnskey,
+ dns_rdatatype_none, 0, &cdnskeyset, NULL);
+ if (result != ISC_R_SUCCESS && dns_rdataset_isassociated(&cdnskeyset)) {
+ dns_rdataset_disassociate(&cdnskeyset);
+ }
+
+ dns_diff_init(mctx, &diff);
+
+ /*
+ * Update keylist with information from from the key repository.
+ */
+ dns_dnssec_updatekeys(&keylist, &matchkeys, NULL, gorigin, keyttl,
+ &diff, mctx, report);
+
+ /*
+ * Update keylist with sync records.
+ */
+ dns_dnssec_syncupdate(&keylist, &rmkeys, &cdsset, &cdnskeyset, now,
+ keyttl, &diff, mctx);
+
+ dns_name_format(gorigin, name, sizeof(name));
+
+ result = dns_diff_applysilently(&diff, gdb, ver);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to update DNSKEY RRset at node '%s': %s", name,
+ isc_result_totext(result));
+ }
+
+ dns_db_detachnode(gdb, &node);
+ dns_db_closeversion(gdb, &ver, true);
+
+ dns_diff_clear(&diff);
+
+ if (dns_rdataset_isassociated(&cdsset)) {
+ dns_rdataset_disassociate(&cdsset);
+ }
+ if (dns_rdataset_isassociated(&cdnskeyset)) {
+ dns_rdataset_disassociate(&cdnskeyset);
+ }
+
+ clear_keylist(&rmkeys);
+ clear_keylist(&matchkeys);
+}
+
+static void
+warnifallksk(dns_db_t *db) {
+ dns_dbversion_t *currentversion = NULL;
+ dns_dbnode_t *node = NULL;
+ dns_rdataset_t rdataset;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ isc_result_t result;
+ dns_rdata_dnskey_t dnskey;
+ bool have_non_ksk = false;
+
+ dns_db_currentversion(db, &currentversion);
+
+ result = dns_db_findnode(db, gorigin, false, &node);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to find the zone's origin: %s",
+ isc_result_totext(result));
+ }
+
+ dns_rdataset_init(&rdataset);
+ result = dns_db_findrdataset(db, node, currentversion,
+ dns_rdatatype_dnskey, 0, 0, &rdataset,
+ NULL);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to find keys at the zone apex: %s",
+ isc_result_totext(result));
+ }
+ result = dns_rdataset_first(&rdataset);
+ check_result(result, "dns_rdataset_first");
+ while (result == ISC_R_SUCCESS) {
+ dns_rdata_reset(&rdata);
+ dns_rdataset_current(&rdataset, &rdata);
+ result = dns_rdata_tostruct(&rdata, &dnskey, NULL);
+ check_result(result, "dns_rdata_tostruct");
+ if ((dnskey.flags & DNS_KEYFLAG_KSK) == 0) {
+ have_non_ksk = true;
+ result = ISC_R_NOMORE;
+ } else {
+ result = dns_rdataset_next(&rdataset);
+ }
+ dns_rdata_freestruct(&dnskey);
+ }
+ dns_rdataset_disassociate(&rdataset);
+ dns_db_detachnode(db, &node);
+ dns_db_closeversion(db, &currentversion, false);
+ if (!have_non_ksk && !ignore_kskflag) {
+ if (disable_zone_check) {
+ fprintf(stderr,
+ "%s: warning: No non-KSK DNSKEY found; "
+ "supply a ZSK or use '-z'.\n",
+ program);
+ } else {
+ fatal("No non-KSK DNSKEY found; "
+ "supply a ZSK or use '-z'.");
+ }
+ }
+}
+
+static void
+set_nsec3params(bool update, bool set_salt, bool set_optout, bool set_iter) {
+ isc_result_t result;
+ dns_dbversion_t *ver = NULL;
+ dns_dbnode_t *node = NULL;
+ dns_rdataset_t rdataset;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ dns_rdata_nsec3_t nsec3;
+ dns_fixedname_t fname;
+ dns_name_t *hashname;
+ unsigned char orig_salt[255];
+ size_t orig_saltlen;
+ dns_hash_t orig_hash;
+ uint16_t orig_iter;
+
+ dns_db_currentversion(gdb, &ver);
+ dns_rdataset_init(&rdataset);
+
+ orig_saltlen = sizeof(orig_salt);
+ result = dns_db_getnsec3parameters(gdb, ver, &orig_hash, NULL,
+ &orig_iter, orig_salt,
+ &orig_saltlen);
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ nsec_datatype = dns_rdatatype_nsec3;
+
+ if (!update && set_salt) {
+ if (salt_length != orig_saltlen ||
+ !isc_safe_memequal(saltbuf, orig_salt, salt_length))
+ {
+ fatal("An NSEC3 chain exists with a different salt. "
+ "Use -u to update it.");
+ }
+ } else if (!set_salt) {
+ salt_length = orig_saltlen;
+ memmove(saltbuf, orig_salt, orig_saltlen);
+ gsalt = saltbuf;
+ }
+
+ if (!update && set_iter) {
+ if (nsec3iter != orig_iter) {
+ fatal("An NSEC3 chain exists with different "
+ "iterations. Use -u to update it.");
+ }
+ } else if (!set_iter) {
+ nsec3iter = orig_iter;
+ }
+
+ /*
+ * Find an NSEC3 record to get the current OPTOUT value.
+ * (This assumes all NSEC3 records agree.)
+ */
+
+ hashname = dns_fixedname_initname(&fname);
+ result = dns_nsec3_hashname(&fname, NULL, NULL, gorigin, gorigin,
+ dns_hash_sha1, orig_iter, orig_salt,
+ orig_saltlen);
+ check_result(result, "dns_nsec3_hashname");
+
+ result = dns_db_findnsec3node(gdb, hashname, false, &node);
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ result = dns_db_findrdataset(gdb, node, ver, dns_rdatatype_nsec3, 0, 0,
+ &rdataset, NULL);
+ if (result != ISC_R_SUCCESS) {
+ goto cleanup;
+ }
+
+ result = dns_rdataset_first(&rdataset);
+ check_result(result, "dns_rdataset_first");
+ dns_rdataset_current(&rdataset, &rdata);
+ result = dns_rdata_tostruct(&rdata, &nsec3, NULL);
+ check_result(result, "dns_rdata_tostruct");
+
+ if (!update && set_optout) {
+ if (nsec3flags != nsec3.flags) {
+ fatal("An NSEC3 chain exists with%s OPTOUT. "
+ "Use -u -%s to %s it.",
+ OPTOUT(nsec3.flags) ? "" : "out",
+ OPTOUT(nsec3.flags) ? "AA" : "A",
+ OPTOUT(nsec3.flags) ? "clear" : "set");
+ }
+ } else if (!set_optout) {
+ nsec3flags = nsec3.flags;
+ }
+
+ dns_rdata_freestruct(&nsec3);
+
+cleanup:
+ if (dns_rdataset_isassociated(&rdataset)) {
+ dns_rdataset_disassociate(&rdataset);
+ }
+ if (node != NULL) {
+ dns_db_detachnode(gdb, &node);
+ }
+ dns_db_closeversion(gdb, &ver, false);
+}
+
+static void
+writeset(const char *prefix, dns_rdatatype_t type) {
+ char *filename;
+ char namestr[DNS_NAME_FORMATSIZE];
+ dns_db_t *db = NULL;
+ dns_dbversion_t *dbversion = NULL;
+ dns_diff_t diff;
+ dns_difftuple_t *tuple = NULL;
+ dns_name_t *name;
+ dns_rdata_t rdata, ds;
+ bool have_ksk = false;
+ bool have_non_ksk = false;
+ isc_buffer_t b;
+ isc_buffer_t namebuf;
+ isc_region_t r;
+ isc_result_t result;
+ dns_dnsseckey_t *key, *curr;
+ unsigned char dsbuf[DNS_DS_BUFFERSIZE];
+ unsigned char keybuf[DST_KEY_MAXSIZE];
+ unsigned int filenamelen;
+ const dns_master_style_t *style = (type == dns_rdatatype_dnskey)
+ ? masterstyle
+ : dsstyle;
+
+ isc_buffer_init(&namebuf, namestr, sizeof(namestr));
+ result = dns_name_tofilenametext(gorigin, false, &namebuf);
+ check_result(result, "dns_name_tofilenametext");
+ isc_buffer_putuint8(&namebuf, 0);
+ filenamelen = strlen(prefix) + strlen(namestr) + 1;
+ if (dsdir != NULL) {
+ filenamelen += strlen(dsdir) + 1;
+ }
+ filename = isc_mem_get(mctx, filenamelen);
+ if (dsdir != NULL) {
+ snprintf(filename, filenamelen, "%s/", dsdir);
+ } else {
+ filename[0] = 0;
+ }
+ strlcat(filename, prefix, filenamelen);
+ strlcat(filename, namestr, filenamelen);
+
+ dns_diff_init(mctx, &diff);
+
+ name = gorigin;
+
+ for (key = ISC_LIST_HEAD(keylist); key != NULL;
+ key = ISC_LIST_NEXT(key, link))
+ {
+ if (REVOKE(key->key)) {
+ continue;
+ }
+ if (isksk(key)) {
+ have_ksk = true;
+ have_non_ksk = false;
+ } else {
+ have_ksk = false;
+ have_non_ksk = true;
+ }
+ for (curr = ISC_LIST_HEAD(keylist); curr != NULL;
+ curr = ISC_LIST_NEXT(curr, link))
+ {
+ if (dst_key_alg(key->key) != dst_key_alg(curr->key)) {
+ continue;
+ }
+ if (REVOKE(curr->key)) {
+ continue;
+ }
+ if (isksk(curr)) {
+ have_ksk = true;
+ } else {
+ have_non_ksk = true;
+ }
+ }
+ if (have_ksk && have_non_ksk && !isksk(key)) {
+ continue;
+ }
+ dns_rdata_init(&rdata);
+ dns_rdata_init(&ds);
+ isc_buffer_init(&b, keybuf, sizeof(keybuf));
+ result = dst_key_todns(key->key, &b);
+ check_result(result, "dst_key_todns");
+ isc_buffer_usedregion(&b, &r);
+ dns_rdata_fromregion(&rdata, gclass, dns_rdatatype_dnskey, &r);
+ if (type != dns_rdatatype_dnskey) {
+ result = dns_ds_buildrdata(gorigin, &rdata,
+ DNS_DSDIGEST_SHA256, dsbuf,
+ &ds);
+ check_result(result, "dns_ds_buildrdata");
+ result = dns_difftuple_create(mctx,
+ DNS_DIFFOP_ADDRESIGN,
+ name, 0, &ds, &tuple);
+ } else {
+ result = dns_difftuple_create(
+ mctx, DNS_DIFFOP_ADDRESIGN, gorigin,
+ zone_soa_min_ttl, &rdata, &tuple);
+ }
+ check_result(result, "dns_difftuple_create");
+ dns_diff_append(&diff, &tuple);
+ }
+
+ result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone,
+ gclass, 0, NULL, &db);
+ check_result(result, "dns_db_create");
+
+ result = dns_db_newversion(db, &dbversion);
+ check_result(result, "dns_db_newversion");
+
+ result = dns_diff_apply(&diff, db, dbversion);
+ check_result(result, "dns_diff_apply");
+ dns_diff_clear(&diff);
+
+ result = dns_master_dump(mctx, db, dbversion, style, filename,
+ dns_masterformat_text, NULL);
+ check_result(result, "dns_master_dump");
+
+ isc_mem_put(mctx, filename, filenamelen);
+
+ dns_db_closeversion(db, &dbversion, false);
+ dns_db_detach(&db);
+}
+
+static void
+print_time(FILE *fp) {
+ time_t currenttime = time(NULL);
+ struct tm t, *tm = localtime_r(&currenttime, &t);
+ unsigned int flen;
+ char timebuf[80];
+
+ if (tm == NULL || outputformat != dns_masterformat_text) {
+ return;
+ }
+
+ flen = strftime(timebuf, sizeof(timebuf), "%a %b %e %H:%M:%S %Y", tm);
+ INSIST(flen > 0U && flen < sizeof(timebuf));
+ fprintf(fp, "; File written on %s\n", timebuf);
+}
+
+static void
+print_version(FILE *fp) {
+ if (outputformat != dns_masterformat_text) {
+ return;
+ }
+
+ fprintf(fp, "; dnssec_signzone version " VERSION "\n");
+}
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+ fprintf(stderr, "Usage:\n");
+ fprintf(stderr, "\t%s [options] zonefile [keys]\n", program);
+
+ fprintf(stderr, "\n");
+
+ fprintf(stderr, "Version: %s\n", VERSION);
+
+ fprintf(stderr, "Options: (default value in parenthesis) \n");
+ fprintf(stderr, "\t-S:\tsmart signing: automatically finds key files\n"
+ "\t\tfor the zone and determines how they are to "
+ "be used\n");
+ fprintf(stderr, "\t-K directory:\n");
+ fprintf(stderr, "\t\tdirectory to find key files (.)\n");
+ fprintf(stderr, "\t-d directory:\n");
+ fprintf(stderr, "\t\tdirectory to find dsset-* files (.)\n");
+ fprintf(stderr, "\t-g:\t");
+ fprintf(stderr, "update DS records based on child zones' "
+ "dsset-* files\n");
+ fprintf(stderr, "\t-s [YYYYMMDDHHMMSS|+offset]:\n");
+ fprintf(stderr, "\t\tRRSIG start time "
+ "- absolute|offset (now - 1 hour)\n");
+ fprintf(stderr, "\t-e [YYYYMMDDHHMMSS|+offset|\"now\"+offset]:\n");
+ fprintf(stderr, "\t\tRRSIG end time "
+ "- absolute|from start|from now "
+ "(now + 30 days)\n");
+ fprintf(stderr, "\t-X [YYYYMMDDHHMMSS|+offset|\"now\"+offset]:\n");
+ fprintf(stderr, "\t\tDNSKEY RRSIG end "
+ "- absolute|from start|from now "
+ "(matches -e)\n");
+ fprintf(stderr, "\t-i interval:\n");
+ fprintf(stderr, "\t\tcycle interval - resign "
+ "if < interval from end ( (end-start)/4 )\n");
+ fprintf(stderr, "\t-j jitter:\n");
+ fprintf(stderr, "\t\trandomize signature end time up to jitter "
+ "seconds\n");
+ fprintf(stderr, "\t-v debuglevel (0)\n");
+ fprintf(stderr, "\t-q quiet\n");
+ fprintf(stderr, "\t-V:\tprint version information\n");
+ fprintf(stderr, "\t-o origin:\n");
+ fprintf(stderr, "\t\tzone origin (name of zonefile)\n");
+ fprintf(stderr, "\t-f outfile:\n");
+ fprintf(stderr, "\t\tfile the signed zone is written in "
+ "(zonefile + .signed)\n");
+ fprintf(stderr, "\t-I format:\n");
+ fprintf(stderr, "\t\tfile format of input zonefile (text)\n");
+ fprintf(stderr, "\t-O format:\n");
+ fprintf(stderr, "\t\tfile format of signed zone file (text)\n");
+ fprintf(stderr, "\t-N format:\n");
+ fprintf(stderr, "\t\tsoa serial format of signed zone file (keep)\n");
+ fprintf(stderr, "\t-D:\n");
+ fprintf(stderr, "\t\toutput only DNSSEC-related records\n");
+ fprintf(stderr, "\t-a:\t");
+ fprintf(stderr, "verify generated signatures\n");
+ fprintf(stderr, "\t-c class (IN)\n");
+ fprintf(stderr, "\t-E engine:\n");
+#if USE_PKCS11
+ fprintf(stderr,
+ "\t\tpath to PKCS#11 provider library "
+ "(default is %s)\n",
+ PK11_LIB_LOCATION);
+#else /* if USE_PKCS11 */
+ fprintf(stderr, "\t\tname of an OpenSSL engine to use\n");
+#endif /* if USE_PKCS11 */
+ fprintf(stderr, "\t-P:\t");
+ fprintf(stderr, "disable post-sign verification\n");
+ fprintf(stderr, "\t-Q:\t");
+ fprintf(stderr, "remove signatures from keys that are no "
+ "longer active\n");
+ fprintf(stderr, "\t-R:\t");
+ fprintf(stderr, "remove signatures from keys that no longer exist\n");
+ fprintf(stderr, "\t-T TTL:\tTTL for newly added DNSKEYs\n");
+ fprintf(stderr, "\t-t:\t");
+ fprintf(stderr, "print statistics\n");
+ fprintf(stderr, "\t-u:\t");
+ fprintf(stderr, "update or replace an existing NSEC/NSEC3 chain\n");
+ fprintf(stderr, "\t-x:\tsign DNSKEY record with KSKs only, not ZSKs\n");
+ fprintf(stderr, "\t-z:\tsign all records with KSKs\n");
+ fprintf(stderr, "\t-C:\tgenerate a keyset file, for compatibility\n"
+ "\t\twith older versions of dnssec-signzone -g\n");
+ fprintf(stderr, "\t-n ncpus (number of cpus present)\n");
+ fprintf(stderr, "\t-k key_signing_key\n");
+ fprintf(stderr, "\t-3 NSEC3 salt\n");
+ fprintf(stderr, "\t-H NSEC3 iterations (10)\n");
+ fprintf(stderr, "\t-A NSEC3 optout\n");
+
+ fprintf(stderr, "\n");
+
+ fprintf(stderr, "Signing Keys: ");
+ fprintf(stderr, "(default: all zone keys that have private keys)\n");
+ fprintf(stderr, "\tkeyfile (Kname+alg+tag)\n");
+
+ exit(0);
+}
+
+static void
+removetempfile(void) {
+ if (removefile) {
+ isc_file_remove(tempfile);
+ }
+}
+
+static void
+print_stats(isc_time_t *timer_start, isc_time_t *timer_finish,
+ isc_time_t *sign_start, isc_time_t *sign_finish) {
+ uint64_t time_us; /* Time in microseconds */
+ uint64_t time_ms; /* Time in milliseconds */
+ uint64_t sig_ms; /* Signatures per millisecond */
+ FILE *out = output_stdout ? stderr : stdout;
+
+ fprintf(out, "Signatures generated: %10u\n", nsigned);
+ fprintf(out, "Signatures retained: %10u\n", nretained);
+ fprintf(out, "Signatures dropped: %10u\n", ndropped);
+ fprintf(out, "Signatures successfully verified: %10u\n", nverified);
+ fprintf(out,
+ "Signatures unsuccessfully "
+ "verified: %10u\n",
+ nverifyfailed);
+
+ time_us = isc_time_microdiff(sign_finish, sign_start);
+ time_ms = time_us / 1000;
+ fprintf(out, "Signing time in seconds: %7u.%03u\n",
+ (unsigned int)(time_ms / 1000), (unsigned int)(time_ms % 1000));
+ if (time_us > 0) {
+ sig_ms = ((uint64_t)nsigned * 1000000000) / time_us;
+ fprintf(out, "Signatures per second: %7u.%03u\n",
+ (unsigned int)sig_ms / 1000,
+ (unsigned int)sig_ms % 1000);
+ }
+
+ time_us = isc_time_microdiff(timer_finish, timer_start);
+ time_ms = time_us / 1000;
+ fprintf(out, "Runtime in seconds: %7u.%03u\n",
+ (unsigned int)(time_ms / 1000), (unsigned int)(time_ms % 1000));
+}
+
+int
+main(int argc, char *argv[]) {
+ int i, ch;
+ char *startstr = NULL, *endstr = NULL, *classname = NULL;
+ char *dnskey_endstr = NULL;
+ char *origin = NULL, *file = NULL, *output = NULL;
+ char *inputformatstr = NULL, *outputformatstr = NULL;
+ char *serialformatstr = NULL;
+ char *dskeyfile[MAXDSKEYS];
+ int ndskeys = 0;
+ char *endp;
+ isc_time_t timer_start, timer_finish;
+ isc_time_t sign_start, sign_finish;
+ dns_dnsseckey_t *key;
+ isc_result_t result, vresult;
+ isc_log_t *log = NULL;
+ const char *engine = NULL;
+ bool free_output = false;
+ int tempfilelen = 0;
+ dns_rdataclass_t rdclass;
+ isc_task_t **tasks = NULL;
+ hashlist_t hashlist;
+ bool make_keyset = false;
+ bool set_salt = false;
+ bool set_optout = false;
+ bool set_iter = false;
+ bool nonsecify = false;
+
+ atomic_init(&shuttingdown, false);
+ atomic_init(&finished, false);
+
+ /* Unused letters: Bb G J q Yy (and F is reserved). */
+#define CMDLINE_FLAGS \
+ "3:AaCc:Dd:E:e:f:FghH:i:I:j:K:k:L:l:m:M:n:N:o:O:PpQqRr:s:ST:tuUv:VX:" \
+ "xzZ:"
+
+ /*
+ * Process memory debugging argument first.
+ */
+ while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+ switch (ch) {
+ case 'm':
+ if (strcasecmp(isc_commandline_argument, "record") == 0)
+ {
+ isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
+ }
+ if (strcasecmp(isc_commandline_argument, "trace") == 0)
+ {
+ isc_mem_debugging |= ISC_MEM_DEBUGTRACE;
+ }
+ if (strcasecmp(isc_commandline_argument, "usage") == 0)
+ {
+ isc_mem_debugging |= ISC_MEM_DEBUGUSAGE;
+ }
+ if (strcasecmp(isc_commandline_argument, "size") == 0) {
+ isc_mem_debugging |= ISC_MEM_DEBUGSIZE;
+ }
+ if (strcasecmp(isc_commandline_argument, "mctx") == 0) {
+ isc_mem_debugging |= ISC_MEM_DEBUGCTX;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ isc_commandline_reset = true;
+
+#ifdef _WIN32
+ InitSockets();
+#endif /* ifdef _WIN32 */
+
+ masterstyle = &dns_master_style_explicitttl;
+
+ check_result(isc_app_start(), "isc_app_start");
+
+ isc_mem_create(&mctx);
+
+#if USE_PKCS11
+ pk11_result_register();
+#endif /* if USE_PKCS11 */
+ dns_result_register();
+
+ isc_commandline_errprint = false;
+
+ while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+ switch (ch) {
+ case '3':
+ set_salt = true;
+ nsec_datatype = dns_rdatatype_nsec3;
+ if (strcmp(isc_commandline_argument, "-") != 0) {
+ isc_buffer_t target;
+ char *sarg;
+
+ sarg = isc_commandline_argument;
+ isc_buffer_init(&target, saltbuf,
+ sizeof(saltbuf));
+ result = isc_hex_decodestring(sarg, &target);
+ check_result(result, "isc_hex_decodestring("
+ "salt)");
+ salt_length = isc_buffer_usedlength(&target);
+ }
+ break;
+
+ case 'A':
+ set_optout = true;
+ if (OPTOUT(nsec3flags)) {
+ nsec3flags &= ~DNS_NSEC3FLAG_OPTOUT;
+ } else {
+ nsec3flags |= DNS_NSEC3FLAG_OPTOUT;
+ }
+ break;
+
+ case 'a':
+ tryverify = true;
+ break;
+
+ case 'C':
+ make_keyset = true;
+ break;
+
+ case 'c':
+ classname = isc_commandline_argument;
+ break;
+
+ case 'd':
+ dsdir = isc_commandline_argument;
+ if (strlen(dsdir) == 0U) {
+ fatal("DS directory must be non-empty string");
+ }
+ result = try_dir(dsdir);
+ if (result != ISC_R_SUCCESS) {
+ fatal("cannot open directory %s: %s", dsdir,
+ isc_result_totext(result));
+ }
+ break;
+
+ case 'D':
+ output_dnssec_only = true;
+ break;
+
+ case 'E':
+ engine = isc_commandline_argument;
+ break;
+
+ case 'e':
+ endstr = isc_commandline_argument;
+ break;
+
+ case 'f':
+ output = isc_commandline_argument;
+ if (strcmp(output, "-") == 0) {
+ output_stdout = true;
+ }
+ break;
+
+ case 'g':
+ generateds = true;
+ break;
+
+ case 'H':
+ set_iter = true;
+ /* too-many is NOT DOCUMENTED */
+ if (strcmp(isc_commandline_argument, "too-many") == 0) {
+ nsec3iter = 151;
+ no_max_check = true;
+ break;
+ }
+ nsec3iter = strtoul(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0') {
+ fatal("iterations must be numeric");
+ }
+ if (nsec3iter > 0xffffU) {
+ fatal("iterations too big");
+ }
+ break;
+
+ case 'I':
+ inputformatstr = isc_commandline_argument;
+ break;
+
+ case 'i':
+ endp = NULL;
+ cycle = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0' || cycle < 0) {
+ fatal("cycle period must be numeric and "
+ "positive");
+ }
+ break;
+
+ case 'j':
+ endp = NULL;
+ jitter = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0' || jitter < 0) {
+ fatal("jitter must be numeric and positive");
+ }
+ break;
+
+ case 'K':
+ directory = isc_commandline_argument;
+ break;
+
+ case 'k':
+ if (ndskeys == MAXDSKEYS) {
+ fatal("too many key-signing keys specified");
+ }
+ dskeyfile[ndskeys++] = isc_commandline_argument;
+ break;
+
+ case 'L':
+ snset = true;
+ endp = NULL;
+ serialnum = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0') {
+ fprintf(stderr, "source serial number "
+ "must be numeric");
+ exit(1);
+ }
+ break;
+
+ case 'l':
+ fatal("-l option (DLV lookaside) is obsolete");
+ break;
+
+ case 'M':
+ endp = NULL;
+ set_maxttl = true;
+ maxttl = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0') {
+ fprintf(stderr, "maximum TTL "
+ "must be numeric");
+ exit(1);
+ }
+ break;
+
+ case 'm':
+ break;
+
+ case 'N':
+ serialformatstr = isc_commandline_argument;
+ break;
+
+ case 'n':
+ endp = NULL;
+ ntasks = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0' || ntasks > INT32_MAX) {
+ fatal("number of cpus must be numeric");
+ }
+ break;
+
+ case 'O':
+ outputformatstr = isc_commandline_argument;
+ break;
+
+ case 'o':
+ origin = isc_commandline_argument;
+ break;
+
+ case 'P':
+ disable_zone_check = true;
+ break;
+
+ case 'p':
+ fatal("The -p option has been deprecated.\n");
+ break;
+
+ case 'Q':
+ remove_inactkeysigs = true;
+ break;
+
+ case 'R':
+ remove_orphansigs = true;
+ break;
+
+ case 'r':
+ fatal("The -r options has been deprecated.\n");
+ break;
+
+ case 'S':
+ smartsign = true;
+ break;
+
+ case 's':
+ startstr = isc_commandline_argument;
+ break;
+
+ case 'T':
+ endp = NULL;
+ set_keyttl = true;
+ keyttl = strtottl(isc_commandline_argument);
+ break;
+
+ case 't':
+ printstats = true;
+ break;
+
+ case 'U': /* Undocumented for testing only. */
+ unknownalg = true;
+ break;
+
+ case 'u':
+ update_chain = true;
+ break;
+
+ case 'v':
+ endp = NULL;
+ verbose = strtol(isc_commandline_argument, &endp, 0);
+ if (*endp != '\0') {
+ fatal("verbose level must be numeric");
+ }
+ break;
+
+ case 'q':
+ quiet = true;
+ break;
+
+ case 'X':
+ dnskey_endstr = isc_commandline_argument;
+ break;
+
+ case 'x':
+ keyset_kskonly = true;
+ break;
+
+ case 'z':
+ ignore_kskflag = true;
+ break;
+
+ case 'F':
+ /* Reserved for FIPS mode */
+ FALLTHROUGH;
+ case '?':
+ if (isc_commandline_option != '?') {
+ fprintf(stderr, "%s: invalid argument -%c\n",
+ program, isc_commandline_option);
+ }
+ FALLTHROUGH;
+ case 'h':
+ /* Does not return. */
+ usage();
+
+ case 'V':
+ /* Does not return. */
+ version(program);
+
+ case 'Z': /* Undocumented test options */
+ if (!strcmp(isc_commandline_argument, "nonsecify")) {
+ nonsecify = true;
+ }
+ break;
+
+ default:
+ fprintf(stderr, "%s: unhandled option -%c\n", program,
+ isc_commandline_option);
+ exit(1);
+ }
+ }
+
+ result = dst_lib_init(mctx, engine);
+ if (result != ISC_R_SUCCESS) {
+ fatal("could not initialize dst: %s",
+ isc_result_totext(result));
+ }
+
+ isc_stdtime_get(&now);
+
+ if (startstr != NULL) {
+ starttime = strtotime(startstr, now, now, NULL);
+ } else {
+ starttime = now - 3600; /* Allow for some clock skew. */
+ }
+
+ if (endstr != NULL) {
+ endtime = strtotime(endstr, now, starttime, NULL);
+ } else {
+ endtime = starttime + (30 * 24 * 60 * 60);
+ }
+
+ if (dnskey_endstr != NULL) {
+ dnskey_endtime = strtotime(dnskey_endstr, now, starttime, NULL);
+ if (endstr != NULL && dnskey_endtime == endtime) {
+ fprintf(stderr, "WARNING: -e and -X were both set, "
+ "but have identical values.\n");
+ }
+ } else {
+ dnskey_endtime = endtime;
+ }
+
+ if (cycle == -1) {
+ cycle = (endtime - starttime) / 4;
+ }
+
+ if (ntasks == 0) {
+ ntasks = isc_os_ncpus() * 2;
+ }
+ vbprintf(4, "using %d cpus\n", ntasks);
+
+ rdclass = strtoclass(classname);
+
+ if (directory == NULL) {
+ directory = ".";
+ }
+
+ setup_logging(mctx, &log);
+
+ argc -= isc_commandline_index;
+ argv += isc_commandline_index;
+
+ if (argc < 1) {
+ usage();
+ }
+
+ file = argv[0];
+
+ argc -= 1;
+ argv += 1;
+
+ if (origin == NULL) {
+ origin = file;
+ }
+
+ if (output == NULL) {
+ size_t size;
+ free_output = true;
+ size = strlen(file) + strlen(".signed") + 1;
+ output = isc_mem_allocate(mctx, size);
+ snprintf(output, size, "%s.signed", file);
+ }
+
+ if (inputformatstr != NULL) {
+ if (strcasecmp(inputformatstr, "text") == 0) {
+ inputformat = dns_masterformat_text;
+ } else if (strcasecmp(inputformatstr, "map") == 0) {
+ inputformat = dns_masterformat_map;
+ } else if (strcasecmp(inputformatstr, "raw") == 0) {
+ inputformat = dns_masterformat_raw;
+ } else if (strncasecmp(inputformatstr, "raw=", 4) == 0) {
+ inputformat = dns_masterformat_raw;
+ fprintf(stderr, "WARNING: input format version "
+ "ignored\n");
+ } else {
+ fatal("unknown file format: %s", inputformatstr);
+ }
+ }
+
+ if (outputformatstr != NULL) {
+ if (strcasecmp(outputformatstr, "text") == 0) {
+ outputformat = dns_masterformat_text;
+ } else if (strcasecmp(outputformatstr, "full") == 0) {
+ outputformat = dns_masterformat_text;
+ masterstyle = &dns_master_style_full;
+ } else if (strcasecmp(outputformatstr, "map") == 0) {
+ outputformat = dns_masterformat_map;
+ } else if (strcasecmp(outputformatstr, "raw") == 0) {
+ outputformat = dns_masterformat_raw;
+ } else if (strncasecmp(outputformatstr, "raw=", 4) == 0) {
+ char *end;
+
+ outputformat = dns_masterformat_raw;
+ rawversion = strtol(outputformatstr + 4, &end, 10);
+ if (end == outputformatstr + 4 || *end != '\0' ||
+ rawversion > 1U)
+ {
+ fprintf(stderr, "unknown raw format version\n");
+ exit(1);
+ }
+ } else {
+ fatal("unknown file format: %s", outputformatstr);
+ }
+ }
+
+ if (serialformatstr != NULL) {
+ if (strcasecmp(serialformatstr, "keep") == 0) {
+ serialformat = SOA_SERIAL_KEEP;
+ } else if (strcasecmp(serialformatstr, "increment") == 0 ||
+ strcasecmp(serialformatstr, "incr") == 0)
+ {
+ serialformat = SOA_SERIAL_INCREMENT;
+ } else if (strcasecmp(serialformatstr, "unixtime") == 0) {
+ serialformat = SOA_SERIAL_UNIXTIME;
+ } else if (strcasecmp(serialformatstr, "date") == 0) {
+ serialformat = SOA_SERIAL_DATE;
+ } else {
+ fatal("unknown soa serial format: %s", serialformatstr);
+ }
+ }
+
+ if (output_dnssec_only && outputformat != dns_masterformat_text) {
+ fatal("option -D can only be used with \"-O text\"");
+ }
+
+ if (output_dnssec_only && serialformat != SOA_SERIAL_KEEP) {
+ fatal("option -D can only be used with \"-N keep\"");
+ }
+
+ if (output_dnssec_only && set_maxttl) {
+ fatal("option -D cannot be used with -M");
+ }
+
+ result = dns_master_stylecreate(&dsstyle, DNS_STYLEFLAG_NO_TTL, 0, 24,
+ 0, 0, 0, 8, 0xffffffff, mctx);
+ check_result(result, "dns_master_stylecreate");
+
+ gdb = NULL;
+ TIME_NOW(&timer_start);
+ loadzone(file, origin, rdclass, &gdb);
+ gorigin = dns_db_origin(gdb);
+ gclass = dns_db_class(gdb);
+ get_soa_ttls();
+
+ if (set_maxttl && set_keyttl && keyttl > maxttl) {
+ fprintf(stderr,
+ "%s: warning: Specified key TTL %u "
+ "exceeds maximum zone TTL; reducing to %u\n",
+ program, keyttl, maxttl);
+ keyttl = maxttl;
+ }
+
+ if (!set_keyttl) {
+ keyttl = soa_ttl;
+ }
+
+ /*
+ * Check for any existing NSEC3 parameters in the zone,
+ * and use them as defaults if -u was not specified.
+ */
+ if (update_chain && !set_optout && !set_iter && !set_salt) {
+ nsec_datatype = dns_rdatatype_nsec;
+ } else {
+ set_nsec3params(update_chain, set_salt, set_optout, set_iter);
+ }
+
+ /*
+ * We need to do this early on, as we start messing with the list
+ * of keys rather early.
+ */
+ ISC_LIST_INIT(keylist);
+ isc_rwlock_init(&keylist_lock, 0, 0);
+
+ /*
+ * Fill keylist with:
+ * 1) Keys listed in the DNSKEY set that have
+ * private keys associated, *if* no keys were
+ * set on the command line.
+ * 2) ZSKs set on the command line
+ * 3) KSKs set on the command line
+ * 4) Any keys remaining in the DNSKEY set which
+ * do not have private keys associated and were
+ * not specified on the command line.
+ */
+ if (argc == 0 || smartsign) {
+ loadzonekeys(!smartsign, false);
+ }
+ loadexplicitkeys(argv, argc, false);
+ loadexplicitkeys(dskeyfile, ndskeys, true);
+ loadzonekeys(!smartsign, true);
+
+ /*
+ * If we're doing smart signing, look in the key repository for
+ * key files with metadata, and merge them with the keylist
+ * we have now.
+ */
+ if (smartsign) {
+ build_final_keylist();
+ }
+
+ /* Now enumerate the key list */
+ for (key = ISC_LIST_HEAD(keylist); key != NULL;
+ key = ISC_LIST_NEXT(key, link))
+ {
+ key->index = keycount++;
+ }
+
+ if (keycount == 0) {
+ if (disable_zone_check) {
+ fprintf(stderr,
+ "%s: warning: No keys specified "
+ "or found\n",
+ program);
+ } else {
+ fatal("No signing keys specified or found.");
+ }
+ nokeys = true;
+ }
+
+ warnifallksk(gdb);
+
+ if (IS_NSEC3) {
+ bool answer;
+
+ hash_length = dns_nsec3_hashlength(dns_hash_sha1);
+ hashlist_init(&hashlist, dns_db_nodecount(gdb) * 2,
+ hash_length);
+ result = dns_nsec_nseconly(gdb, gversion, &answer);
+ if (result == ISC_R_NOTFOUND) {
+ fprintf(stderr,
+ "%s: warning: NSEC3 generation "
+ "requested with no DNSKEY; ignoring\n",
+ program);
+ } else if (result != ISC_R_SUCCESS) {
+ check_result(result, "dns_nsec_nseconly");
+ } else if (answer) {
+ fatal("NSEC3 generation requested with "
+ "NSEC-only DNSKEY");
+ }
+
+ if (nsec3iter > dns_nsec3_maxiterations()) {
+ if (no_max_check) {
+ fprintf(stderr,
+ "Ignoring max iterations check.\n");
+ } else {
+ fatal("NSEC3 iterations too big. Maximum "
+ "iterations allowed %u.",
+ dns_nsec3_maxiterations());
+ }
+ }
+ } else {
+ hashlist_init(&hashlist, 0, 0); /* silence clang */
+ }
+
+ gversion = NULL;
+ result = dns_db_newversion(gdb, &gversion);
+ check_result(result, "dns_db_newversion()");
+
+ switch (serialformat) {
+ case SOA_SERIAL_INCREMENT:
+ setsoaserial(0, dns_updatemethod_increment);
+ break;
+ case SOA_SERIAL_UNIXTIME:
+ setsoaserial(now, dns_updatemethod_unixtime);
+ break;
+ case SOA_SERIAL_DATE:
+ setsoaserial(now, dns_updatemethod_date);
+ break;
+ case SOA_SERIAL_KEEP:
+ default:
+ /* do nothing */
+ break;
+ }
+
+ /* Remove duplicates and cap TTLs at maxttl */
+ cleanup_zone();
+
+ if (!nonsecify) {
+ if (IS_NSEC3) {
+ nsec3ify(dns_hash_sha1, nsec3iter, gsalt, salt_length,
+ &hashlist);
+ } else {
+ nsecify();
+ }
+ }
+
+ if (!nokeys) {
+ writeset("dsset-", dns_rdatatype_ds);
+ if (make_keyset) {
+ writeset("keyset-", dns_rdatatype_dnskey);
+ }
+ }
+
+ if (output_stdout) {
+ outfp = stdout;
+ if (outputformatstr == NULL) {
+ masterstyle = &dns_master_style_full;
+ }
+ } else {
+ tempfilelen = strlen(output) + 20;
+ tempfile = isc_mem_get(mctx, tempfilelen);
+
+ result = isc_file_mktemplate(output, tempfile, tempfilelen);
+ check_result(result, "isc_file_mktemplate");
+
+ if (outputformat == dns_masterformat_text) {
+ result = isc_file_openunique(tempfile, &outfp);
+ } else {
+ result = isc_file_bopenunique(tempfile, &outfp);
+ }
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to open temporary output file: %s",
+ isc_result_totext(result));
+ }
+ removefile = true;
+ setfatalcallback(&removetempfile);
+ }
+
+ print_time(outfp);
+ print_version(outfp);
+
+ result = isc_managers_create(mctx, ntasks, 0, &netmgr, &taskmgr);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to create task manager: %s",
+ isc_result_totext(result));
+ }
+
+ master = NULL;
+ result = isc_task_create(taskmgr, 0, &master);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to create task: %s", isc_result_totext(result));
+ }
+
+ tasks = isc_mem_get(mctx, ntasks * sizeof(isc_task_t *));
+ for (i = 0; i < (int)ntasks; i++) {
+ tasks[i] = NULL;
+ result = isc_task_create(taskmgr, 0, &tasks[i]);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to create task: %s",
+ isc_result_totext(result));
+ }
+ }
+
+ isc_mutex_init(&namelock);
+
+ if (printstats) {
+ isc_mutex_init(&statslock);
+ }
+
+ presign();
+ TIME_NOW(&sign_start);
+ signapex();
+ if (!atomic_load(&finished)) {
+ /*
+ * There is more work to do. Spread it out over multiple
+ * processors if possible.
+ */
+ for (i = 0; i < (int)ntasks; i++) {
+ result = isc_app_onrun(mctx, master, startworker,
+ tasks[i]);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to start task: %s",
+ isc_result_totext(result));
+ }
+ }
+ (void)isc_app_run();
+ if (!atomic_load(&finished)) {
+ fatal("process aborted by user");
+ }
+ } else {
+ isc_task_detach(&master);
+ }
+ atomic_store(&shuttingdown, true);
+ for (i = 0; i < (int)ntasks; i++) {
+ isc_task_detach(&tasks[i]);
+ }
+ isc_managers_destroy(&netmgr, &taskmgr);
+ isc_mem_put(mctx, tasks, ntasks * sizeof(isc_task_t *));
+ postsign();
+ TIME_NOW(&sign_finish);
+
+ if (disable_zone_check) {
+ vresult = ISC_R_SUCCESS;
+ } else {
+ vresult = dns_zoneverify_dnssec(NULL, gdb, gversion, gorigin,
+ NULL, mctx, ignore_kskflag,
+ keyset_kskonly, report);
+ if (vresult != ISC_R_SUCCESS) {
+ fprintf(output_stdout ? stderr : stdout,
+ "Zone verification failed (%s)\n",
+ isc_result_totext(vresult));
+ }
+ }
+
+ if (outputformat != dns_masterformat_text) {
+ dns_masterrawheader_t header;
+ dns_master_initrawheader(&header);
+ if (rawversion == 0U) {
+ header.flags = DNS_MASTERRAW_COMPAT;
+ } else if (snset) {
+ header.flags = DNS_MASTERRAW_SOURCESERIALSET;
+ header.sourceserial = serialnum;
+ }
+ result = dns_master_dumptostream(mctx, gdb, gversion,
+ masterstyle, outputformat,
+ &header, outfp);
+ check_result(result, "dns_master_dumptostream3");
+ }
+
+ isc_mutex_destroy(&namelock);
+ if (printstats) {
+ isc_mutex_destroy(&statslock);
+ }
+
+ if (!output_stdout) {
+ result = isc_stdio_close(outfp);
+ check_result(result, "isc_stdio_close");
+ removefile = false;
+
+ if (vresult == ISC_R_SUCCESS) {
+ result = isc_file_rename(tempfile, output);
+ if (result != ISC_R_SUCCESS) {
+ fatal("failed to rename temp file to %s: %s",
+ output, isc_result_totext(result));
+ }
+ printf("%s\n", output);
+ } else {
+ isc_file_remove(tempfile);
+ }
+ }
+
+ dns_db_closeversion(gdb, &gversion, false);
+ dns_db_detach(&gdb);
+
+ hashlist_free(&hashlist);
+
+ while (!ISC_LIST_EMPTY(keylist)) {
+ key = ISC_LIST_HEAD(keylist);
+ ISC_LIST_UNLINK(keylist, key, link);
+ dns_dnsseckey_destroy(mctx, &key);
+ }
+
+ if (tempfilelen != 0) {
+ isc_mem_put(mctx, tempfile, tempfilelen);
+ }
+
+ if (free_output) {
+ isc_mem_free(mctx, output);
+ }
+
+ dns_master_styledestroy(&dsstyle, mctx);
+
+ cleanup_logging(&log);
+ dst_lib_destroy();
+ if (verbose > 10) {
+ isc_mem_stats(mctx, stdout);
+ }
+ isc_mem_destroy(&mctx);
+
+ (void)isc_app_finish();
+
+ if (printstats) {
+ TIME_NOW(&timer_finish);
+ print_stats(&timer_start, &timer_finish, &sign_start,
+ &sign_finish);
+ }
+
+#ifdef _WIN32
+ DestroySockets();
+#endif /* ifdef _WIN32 */
+ return (vresult == ISC_R_SUCCESS ? 0 : 1);
+}