Unbound: remove unbound from in-tree source

We'll instead use a git submodule to pull from our unbound repo.

1 files changed, 0 insertions, 898 deletions

diff --git a/external/unbound/daemon/cachedump.c b/external/unbound/daemon/cachedump.c
deleted file mode 100644
index 8992e6cb8..000000000
--- a/external/unbound/daemon/cachedump.c
+++ /dev/null
@@ -1,898 +0,0 @@
-/*
- * daemon/cachedump.c - dump the cache to text format.
- *
- * Copyright (c) 2008, NLnet Labs. All rights reserved.
- *
- * This software is open source.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 
- * Neither the name of the NLNET LABS nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
- * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/**
- * \file
- *
- * This file contains functions to read and write the cache(s)
- * to text format.
- */
-#include "config.h"
-#include <openssl/ssl.h>
-#include "daemon/cachedump.h"
-#include "daemon/remote.h"
-#include "daemon/worker.h"
-#include "services/cache/rrset.h"
-#include "services/cache/dns.h"
-#include "services/cache/infra.h"
-#include "util/data/msgreply.h"
-#include "util/regional.h"
-#include "util/net_help.h"
-#include "util/data/dname.h"
-#include "iterator/iterator.h"
-#include "iterator/iter_delegpt.h"
-#include "iterator/iter_utils.h"
-#include "iterator/iter_fwd.h"
-#include "iterator/iter_hints.h"
-#include "sldns/sbuffer.h"
-#include "sldns/wire2str.h"
-#include "sldns/str2wire.h"
-
-/** dump one rrset zonefile line */
-static int
-dump_rrset_line(SSL* ssl, struct ub_packed_rrset_key* k, time_t now, size_t i)
-{
-	char s[65535];
-	if(!packed_rr_to_string(k, i, now, s, sizeof(s))) {
-		return ssl_printf(ssl, "BADRR\n");
-	}
-	return ssl_printf(ssl, "%s", s);
-}
-
-/** dump rrset key and data info */
-static int
-dump_rrset(SSL* ssl, struct ub_packed_rrset_key* k, 
-	struct packed_rrset_data* d, time_t now)
-{
-	size_t i;
-	/* rd lock held by caller */
-	if(!k || !d) return 1;
-	if(d->ttl < now) return 1; /* expired */
-
-	/* meta line */
-	if(!ssl_printf(ssl, ";rrset%s " ARG_LL "d %u %u %d %d\n",
-		(k->rk.flags & PACKED_RRSET_NSEC_AT_APEX)?" nsec_apex":"",
-		(long long)(d->ttl - now),
-		(unsigned)d->count, (unsigned)d->rrsig_count,
-		(int)d->trust, (int)d->security
-		)) 
-		return 0;
-	for(i=0; i<d->count + d->rrsig_count; i++) {
-		if(!dump_rrset_line(ssl, k, now, i))
-			return 0;
-	}
-	return 1;
-}
-
-/** dump lruhash rrset cache */
-static int
-dump_rrset_lruhash(SSL* ssl, struct lruhash* h, time_t now)
-{
-	struct lruhash_entry* e;
-	/* lruhash already locked by caller */
-	/* walk in order of lru; best first */
-	for(e=h->lru_start; e; e = e->lru_next) {
-		lock_rw_rdlock(&e->lock);
-		if(!dump_rrset(ssl, (struct ub_packed_rrset_key*)e->key,
-			(struct packed_rrset_data*)e->data, now)) {
-			lock_rw_unlock(&e->lock);
-			return 0;
-		}
-		lock_rw_unlock(&e->lock);
-	}
-	return 1;
-}
-
-/** dump rrset cache */
-static int
-dump_rrset_cache(SSL* ssl, struct worker* worker)
-{
-	struct rrset_cache* r = worker->env.rrset_cache;
-	size_t slab;
-	if(!ssl_printf(ssl, "START_RRSET_CACHE\n")) return 0;
-	for(slab=0; slab<r->table.size; slab++) {
-		lock_quick_lock(&r->table.array[slab]->lock);
-		if(!dump_rrset_lruhash(ssl, r->table.array[slab],
-			*worker->env.now)) {
-			lock_quick_unlock(&r->table.array[slab]->lock);
-			return 0;
-		}
-		lock_quick_unlock(&r->table.array[slab]->lock);
-	}
-	return ssl_printf(ssl, "END_RRSET_CACHE\n");
-}
-
-/** dump message to rrset reference */
-static int
-dump_msg_ref(SSL* ssl, struct ub_packed_rrset_key* k)
-{
-	char* nm, *tp, *cl;
-	nm = sldns_wire2str_dname(k->rk.dname, k->rk.dname_len);
-	tp = sldns_wire2str_type(ntohs(k->rk.type));
-	cl = sldns_wire2str_class(ntohs(k->rk.rrset_class));
-	if(!nm || !cl || !tp) {
-		free(nm);
-		free(tp);
-		free(cl);
-		return ssl_printf(ssl, "BADREF\n");
-	}
-	if(!ssl_printf(ssl, "%s %s %s %d\n", nm, cl, tp, (int)k->rk.flags)) {
-		free(nm);
-		free(tp);
-		free(cl);
-		return 0;
-	}
-	free(nm);
-	free(tp);
-	free(cl);
-
-	return 1;
-}
-
-/** dump message entry */
-static int
-dump_msg(SSL* ssl, struct query_info* k, struct reply_info* d, 
-	time_t now)
-{
-	size_t i;
-	char* nm, *tp, *cl;
-	if(!k || !d) return 1;
-	if(d->ttl < now) return 1; /* expired */
-	
-	nm = sldns_wire2str_dname(k->qname, k->qname_len);
-	tp = sldns_wire2str_type(k->qtype);
-	cl = sldns_wire2str_class(k->qclass);
-	if(!nm || !tp || !cl) {
-		free(nm);
-		free(tp);
-		free(cl);
-		return 1; /* skip this entry */
-	}
-	if(!rrset_array_lock(d->ref, d->rrset_count, now)) {
-		/* rrsets have timed out or do not exist */
-		free(nm);
-		free(tp);
-		free(cl);
-		return 1; /* skip this entry */
-	}
-	
-	/* meta line */
-	if(!ssl_printf(ssl, "msg %s %s %s %d %d " ARG_LL "d %d %u %u %u\n",
-			nm, cl, tp,
-			(int)d->flags, (int)d->qdcount, 
-			(long long)(d->ttl-now), (int)d->security,
-			(unsigned)d->an_numrrsets, 
-			(unsigned)d->ns_numrrsets,
-			(unsigned)d->ar_numrrsets)) {
-		free(nm);
-		free(tp);
-		free(cl);
-		rrset_array_unlock(d->ref, d->rrset_count);
-		return 0;
-	}
-	free(nm);
-	free(tp);
-	free(cl);
-	
-	for(i=0; i<d->rrset_count; i++) {
-		if(!dump_msg_ref(ssl, d->rrsets[i])) {
-			rrset_array_unlock(d->ref, d->rrset_count);
-			return 0;
-		}
-	}
-	rrset_array_unlock(d->ref, d->rrset_count);
-
-	return 1;
-}
-
-/** copy msg to worker pad */
-static int
-copy_msg(struct regional* region, struct lruhash_entry* e, 
-	struct query_info** k, struct reply_info** d)
-{
-	struct reply_info* rep = (struct reply_info*)e->data;
-	if(rep->rrset_count > RR_COUNT_MAX)
-		return 0; /* to protect against integer overflow */
-	*d = (struct reply_info*)regional_alloc_init(region, e->data,
-		sizeof(struct reply_info) + 
-		sizeof(struct rrset_ref) * (rep->rrset_count-1) +
-		sizeof(struct ub_packed_rrset_key*) * rep->rrset_count);
-	if(!*d)
-		return 0;
-	(*d)->rrsets = (struct ub_packed_rrset_key**)(void *)(
-		(uint8_t*)(&((*d)->ref[0])) + 
-		sizeof(struct rrset_ref) * rep->rrset_count);
-	*k = (struct query_info*)regional_alloc_init(region, 
-		e->key, sizeof(struct query_info));
-	if(!*k)
-		return 0;
-	(*k)->qname = regional_alloc_init(region, 
-		(*k)->qname, (*k)->qname_len);
-	return (*k)->qname != NULL;
-}
-
-/** dump lruhash msg cache */
-static int
-dump_msg_lruhash(SSL* ssl, struct worker* worker, struct lruhash* h)
-{
-	struct lruhash_entry* e;
-	struct query_info* k;
-	struct reply_info* d;
-
-	/* lruhash already locked by caller */
-	/* walk in order of lru; best first */
-	for(e=h->lru_start; e; e = e->lru_next) {
-		regional_free_all(worker->scratchpad);
-		lock_rw_rdlock(&e->lock);
-		/* make copy of rrset in worker buffer */
-		if(!copy_msg(worker->scratchpad, e, &k, &d)) {
-			lock_rw_unlock(&e->lock);
-			return 0;
-		}
-		lock_rw_unlock(&e->lock);
-		/* release lock so we can lookup the rrset references 
-		 * in the rrset cache */
-		if(!dump_msg(ssl, k, d, *worker->env.now)) {
-			return 0;
-		}
-	}
-	return 1;
-}
-
-/** dump msg cache */
-static int
-dump_msg_cache(SSL* ssl, struct worker* worker)
-{
-	struct slabhash* sh = worker->env.msg_cache;
-	size_t slab;
-	if(!ssl_printf(ssl, "START_MSG_CACHE\n")) return 0;
-	for(slab=0; slab<sh->size; slab++) {
-		lock_quick_lock(&sh->array[slab]->lock);
-		if(!dump_msg_lruhash(ssl, worker, sh->array[slab])) {
-			lock_quick_unlock(&sh->array[slab]->lock);
-			return 0;
-		}
-		lock_quick_unlock(&sh->array[slab]->lock);
-	}
-	return ssl_printf(ssl, "END_MSG_CACHE\n");
-}
-
-int
-dump_cache(SSL* ssl, struct worker* worker)
-{
-	if(!dump_rrset_cache(ssl, worker))
-		return 0;
-	if(!dump_msg_cache(ssl, worker))
-		return 0;
-	return ssl_printf(ssl, "EOF\n");
-}
-
-/** read a line from ssl into buffer */
-static int
-ssl_read_buf(SSL* ssl, sldns_buffer* buf)
-{
-	return ssl_read_line(ssl, (char*)sldns_buffer_begin(buf), 
-		sldns_buffer_capacity(buf));
-}
-
-/** check fixed text on line */
-static int
-read_fixed(SSL* ssl, sldns_buffer* buf, const char* str)
-{
-	if(!ssl_read_buf(ssl, buf)) return 0;
-	return (strcmp((char*)sldns_buffer_begin(buf), str) == 0);
-}
-
-/** load an RR into rrset */
-static int
-load_rr(SSL* ssl, sldns_buffer* buf, struct regional* region,
-	struct ub_packed_rrset_key* rk, struct packed_rrset_data* d,
-	unsigned int i, int is_rrsig, int* go_on, time_t now)
-{
-	uint8_t rr[LDNS_RR_BUF_SIZE];
-	size_t rr_len = sizeof(rr), dname_len = 0;
-	int status;
-
-	/* read the line */
-	if(!ssl_read_buf(ssl, buf))
-		return 0;
-	if(strncmp((char*)sldns_buffer_begin(buf), "BADRR\n", 6) == 0) {
-		*go_on = 0;
-		return 1;
-	}
-	status = sldns_str2wire_rr_buf((char*)sldns_buffer_begin(buf), rr,
-		&rr_len, &dname_len, 3600, NULL, 0, NULL, 0);
-	if(status != 0) {
-		log_warn("error cannot parse rr: %s: %s",
-			sldns_get_errorstr_parse(status),
-			(char*)sldns_buffer_begin(buf));
-		return 0;
-	}
-	if(is_rrsig && sldns_wirerr_get_type(rr, rr_len, dname_len)
-		!= LDNS_RR_TYPE_RRSIG) {
-		log_warn("error expected rrsig but got %s",
-			(char*)sldns_buffer_begin(buf));
-		return 0;
-	}
-
-	/* convert ldns rr into packed_rr */
-	d->rr_ttl[i] = (time_t)sldns_wirerr_get_ttl(rr, rr_len, dname_len) + now;
-	sldns_buffer_clear(buf);
-	d->rr_len[i] = sldns_wirerr_get_rdatalen(rr, rr_len, dname_len)+2;
-	d->rr_data[i] = (uint8_t*)regional_alloc_init(region, 
-		sldns_wirerr_get_rdatawl(rr, rr_len, dname_len), d->rr_len[i]);
-	if(!d->rr_data[i]) {
-		log_warn("error out of memory");
-		return 0;
-	}
-
-	/* if first entry, fill the key structure */
-	if(i==0) {
-		rk->rk.type = htons(sldns_wirerr_get_type(rr, rr_len, dname_len));
-		rk->rk.rrset_class = htons(sldns_wirerr_get_class(rr, rr_len, dname_len));
-		rk->rk.dname_len = dname_len;
-		rk->rk.dname = regional_alloc_init(region, rr, dname_len);
-		if(!rk->rk.dname) {
-			log_warn("error out of memory");
-			return 0;
-		}
-	}
-
-	return 1;
-}
-
-/** move entry into cache */
-static int
-move_into_cache(struct ub_packed_rrset_key* k, 
-	struct packed_rrset_data* d, struct worker* worker)
-{
-	struct ub_packed_rrset_key* ak;
-	struct packed_rrset_data* ad;
-	size_t s, i, num = d->count + d->rrsig_count;
-	struct rrset_ref ref;
-	uint8_t* p;
-
-	ak = alloc_special_obtain(&worker->alloc);
-	if(!ak) {
-		log_warn("error out of memory");
-		return 0;
-	}
-	ak->entry.data = NULL;
-	ak->rk = k->rk;
-	ak->entry.hash = rrset_key_hash(&k->rk);
-	ak->rk.dname = (uint8_t*)memdup(k->rk.dname, k->rk.dname_len);
-	if(!ak->rk.dname) {
-		log_warn("error out of memory");
-		ub_packed_rrset_parsedelete(ak, &worker->alloc);
-		return 0;
-	}
-	s = sizeof(*ad) + (sizeof(size_t) + sizeof(uint8_t*) + 
-		sizeof(time_t))* num;
-	for(i=0; i<num; i++)
-		s += d->rr_len[i];
-	ad = (struct packed_rrset_data*)malloc(s);
-	if(!ad) {
-		log_warn("error out of memory");
-		ub_packed_rrset_parsedelete(ak, &worker->alloc);
-		return 0;
-	}
-	p = (uint8_t*)ad;
-	memmove(p, d, sizeof(*ad));
-	p += sizeof(*ad);
-	memmove(p, &d->rr_len[0], sizeof(size_t)*num);
-	p += sizeof(size_t)*num;
-	memmove(p, &d->rr_data[0], sizeof(uint8_t*)*num);
-	p += sizeof(uint8_t*)*num;
-	memmove(p, &d->rr_ttl[0], sizeof(time_t)*num);
-	p += sizeof(time_t)*num;
-	for(i=0; i<num; i++) {
-		memmove(p, d->rr_data[i], d->rr_len[i]);
-		p += d->rr_len[i];
-	}
-	packed_rrset_ptr_fixup(ad);
-
-	ak->entry.data = ad;
-
-	ref.key = ak;
-	ref.id = ak->id;
-	(void)rrset_cache_update(worker->env.rrset_cache, &ref,
-		&worker->alloc, *worker->env.now);
-	return 1;
-}
-
-/** load an rrset entry */
-static int
-load_rrset(SSL* ssl, sldns_buffer* buf, struct worker* worker)
-{
-	char* s = (char*)sldns_buffer_begin(buf);
-	struct regional* region = worker->scratchpad;
-	struct ub_packed_rrset_key* rk;
-	struct packed_rrset_data* d;
-	unsigned int rr_count, rrsig_count, trust, security;
-	long long ttl;
-	unsigned int i;
-	int go_on = 1;
-	regional_free_all(region);
-
-	rk = (struct ub_packed_rrset_key*)regional_alloc_zero(region, 
-		sizeof(*rk));
-	d = (struct packed_rrset_data*)regional_alloc_zero(region, sizeof(*d));
-	if(!rk || !d) {
-		log_warn("error out of memory");
-		return 0;
-	}
-
-	if(strncmp(s, ";rrset", 6) != 0) {
-		log_warn("error expected ';rrset' but got %s", s);
-		return 0;
-	}
-	s += 6;
-	if(strncmp(s, " nsec_apex", 10) == 0) {
-		s += 10;
-		rk->rk.flags |= PACKED_RRSET_NSEC_AT_APEX;
-	}
-	if(sscanf(s, " " ARG_LL "d %u %u %u %u", &ttl, &rr_count, &rrsig_count,
-		&trust, &security) != 5) {
-		log_warn("error bad rrset spec %s", s);
-		return 0;
-	}
-	if(rr_count == 0 && rrsig_count == 0) {
-		log_warn("bad rrset without contents");
-		return 0;
-	}
-	if(rr_count > RR_COUNT_MAX || rrsig_count > RR_COUNT_MAX) {
-		log_warn("bad rrset with too many rrs");
-		return 0;
-	}
-	d->count = (size_t)rr_count;
-	d->rrsig_count = (size_t)rrsig_count;
-	d->security = (enum sec_status)security;
-	d->trust = (enum rrset_trust)trust;
-	d->ttl = (time_t)ttl + *worker->env.now;
-
-	d->rr_len = regional_alloc_zero(region, 
-		sizeof(size_t)*(d->count+d->rrsig_count));
-	d->rr_ttl = regional_alloc_zero(region, 
-		sizeof(time_t)*(d->count+d->rrsig_count));
-	d->rr_data = regional_alloc_zero(region, 
-		sizeof(uint8_t*)*(d->count+d->rrsig_count));
-	if(!d->rr_len || !d->rr_ttl || !d->rr_data) {
-		log_warn("error out of memory");
-		return 0;
-	}
-	
-	/* read the rr's themselves */
-	for(i=0; i<rr_count; i++) {
-		if(!load_rr(ssl, buf, region, rk, d, i, 0, 
-			&go_on, *worker->env.now)) {
-			log_warn("could not read rr %u", i);
-			return 0;
-		}
-	}
-	for(i=0; i<rrsig_count; i++) {
-		if(!load_rr(ssl, buf, region, rk, d, i+rr_count, 1, 
-			&go_on, *worker->env.now)) {
-			log_warn("could not read rrsig %u", i);
-			return 0;
-		}
-	}
-	if(!go_on) {
-		/* skip this entry */
-		return 1;
-	}
-
-	return move_into_cache(rk, d, worker);
-}
-
-/** load rrset cache */
-static int
-load_rrset_cache(SSL* ssl, struct worker* worker)
-{
-	sldns_buffer* buf = worker->env.scratch_buffer;
-	if(!read_fixed(ssl, buf, "START_RRSET_CACHE")) return 0;
-	while(ssl_read_buf(ssl, buf) && 
-		strcmp((char*)sldns_buffer_begin(buf), "END_RRSET_CACHE")!=0) {
-		if(!load_rrset(ssl, buf, worker))
-			return 0;
-	}
-	return 1;
-}
-
-/** read qinfo from next three words */
-static char*
-load_qinfo(char* str, struct query_info* qinfo, struct regional* region)
-{
-	/* s is part of the buf */
-	char* s = str;
-	uint8_t rr[LDNS_RR_BUF_SIZE];
-	size_t rr_len = sizeof(rr), dname_len = 0;
-	int status;
-
-	/* skip three words */
-	s = strchr(str, ' ');
-	if(s) s = strchr(s+1, ' ');
-	if(s) s = strchr(s+1, ' ');
-	if(!s) {
-		log_warn("error line too short, %s", str);
-		return NULL;
-	}
-	s[0] = 0;
-	s++;
-
-	/* parse them */
-	status = sldns_str2wire_rr_question_buf(str, rr, &rr_len, &dname_len,
-		NULL, 0, NULL, 0);
-	if(status != 0) {
-		log_warn("error cannot parse: %s %s",
-			sldns_get_errorstr_parse(status), str);
-		return NULL;
-	}
-	qinfo->qtype = sldns_wirerr_get_type(rr, rr_len, dname_len);
-	qinfo->qclass = sldns_wirerr_get_class(rr, rr_len, dname_len);
-	qinfo->qname_len = dname_len;
-	qinfo->qname = (uint8_t*)regional_alloc_init(region, rr, dname_len);
-	qinfo->local_alias = NULL;
-	if(!qinfo->qname) {
-		log_warn("error out of memory");
-		return NULL;
-	}
-
-	return s;
-}
-
-/** load a msg rrset reference */
-static int
-load_ref(SSL* ssl, sldns_buffer* buf, struct worker* worker, 
-	struct regional *region, struct ub_packed_rrset_key** rrset, 
-	int* go_on)
-{
-	char* s = (char*)sldns_buffer_begin(buf);
-	struct query_info qinfo;
-	unsigned int flags;
-	struct ub_packed_rrset_key* k;
-
-	/* read line */
-	if(!ssl_read_buf(ssl, buf))
-		return 0;
-	if(strncmp(s, "BADREF", 6) == 0) {
-		*go_on = 0; /* its bad, skip it and skip message */
-		return 1;
-	}
-
-	s = load_qinfo(s, &qinfo, region);
-	if(!s) {
-		return 0;
-	}
-	if(sscanf(s, " %u", &flags) != 1) {
-		log_warn("error cannot parse flags: %s", s);
-		return 0;
-	}
-
-	/* lookup in cache */
-	k = rrset_cache_lookup(worker->env.rrset_cache, qinfo.qname,
-		qinfo.qname_len, qinfo.qtype, qinfo.qclass,
-		(uint32_t)flags, *worker->env.now, 0);
-	if(!k) {
-		/* not found or expired */
-		*go_on = 0;
-		return 1;
-	}
-
-	/* store in result */
-	*rrset = packed_rrset_copy_region(k, region, *worker->env.now);
-	lock_rw_unlock(&k->entry.lock);
-
-	return (*rrset != NULL);
-}
-
-/** load a msg entry */
-static int
-load_msg(SSL* ssl, sldns_buffer* buf, struct worker* worker)
-{
-	struct regional* region = worker->scratchpad;
-	struct query_info qinf;
-	struct reply_info rep;
-	char* s = (char*)sldns_buffer_begin(buf);
-	unsigned int flags, qdcount, security, an, ns, ar;
-	long long ttl;
-	size_t i;
-	int go_on = 1;
-
-	regional_free_all(region);
-
-	if(strncmp(s, "msg ", 4) != 0) {
-		log_warn("error expected msg but got %s", s);
-		return 0;
-	}
-	s += 4;
-	s = load_qinfo(s, &qinf, region);
-	if(!s) {
-		return 0;
-	}
-
-	/* read remainder of line */
-	if(sscanf(s, " %u %u " ARG_LL "d %u %u %u %u", &flags, &qdcount, &ttl, 
-		&security, &an, &ns, &ar) != 7) {
-		log_warn("error cannot parse numbers: %s", s);
-		return 0;
-	}
-	rep.flags = (uint16_t)flags;
-	rep.qdcount = (uint16_t)qdcount;
-	rep.ttl = (time_t)ttl;
-	rep.prefetch_ttl = PREFETCH_TTL_CALC(rep.ttl);
-	rep.security = (enum sec_status)security;
-	if(an > RR_COUNT_MAX || ns > RR_COUNT_MAX || ar > RR_COUNT_MAX) {
-		log_warn("error too many rrsets");
-		return 0; /* protect against integer overflow in alloc */
-	}
-	rep.an_numrrsets = (size_t)an;
-	rep.ns_numrrsets = (size_t)ns;
-	rep.ar_numrrsets = (size_t)ar;
-	rep.rrset_count = (size_t)an+(size_t)ns+(size_t)ar;
-	rep.rrsets = (struct ub_packed_rrset_key**)regional_alloc_zero(
-		region, sizeof(struct ub_packed_rrset_key*)*rep.rrset_count);
-
-	/* fill repinfo with references */
-	for(i=0; i<rep.rrset_count; i++) {
-		if(!load_ref(ssl, buf, worker, region, &rep.rrsets[i], 
-			&go_on)) {
-			return 0;
-		}
-	}
-
-	if(!go_on) 
-		return 1; /* skip this one, not all references satisfied */
-
-	if(!dns_cache_store(&worker->env, &qinf, &rep, 0, 0, 0, NULL, flags)) {
-		log_warn("error out of memory");
-		return 0;
-	}
-	return 1;
-}
-
-/** load msg cache */
-static int
-load_msg_cache(SSL* ssl, struct worker* worker)
-{
-	sldns_buffer* buf = worker->env.scratch_buffer;
-	if(!read_fixed(ssl, buf, "START_MSG_CACHE")) return 0;
-	while(ssl_read_buf(ssl, buf) && 
-		strcmp((char*)sldns_buffer_begin(buf), "END_MSG_CACHE")!=0) {
-		if(!load_msg(ssl, buf, worker))
-			return 0;
-	}
-	return 1;
-}
-
-int
-load_cache(SSL* ssl, struct worker* worker)
-{
-	if(!load_rrset_cache(ssl, worker))
-		return 0;
-	if(!load_msg_cache(ssl, worker))
-		return 0;
-	return read_fixed(ssl, worker->env.scratch_buffer, "EOF");
-}
-
-/** print details on a delegation point */
-static void
-print_dp_details(SSL* ssl, struct worker* worker, struct delegpt* dp)
-{
-	char buf[257];
-	struct delegpt_addr* a;
-	int lame, dlame, rlame, rto, edns_vs, to, delay,
-		tA = 0, tAAAA = 0, tother = 0;
-	long long entry_ttl;
-	struct rtt_info ri;
-	uint8_t edns_lame_known;
-	for(a = dp->target_list; a; a = a->next_target) {
-		addr_to_str(&a->addr, a->addrlen, buf, sizeof(buf));
-		if(!ssl_printf(ssl, "%-16s\t", buf))
-			return;
-		if(a->bogus) {
-			if(!ssl_printf(ssl, "Address is BOGUS. ")) 
-				return;
-		}
-		/* lookup in infra cache */
-		delay=0;
-		entry_ttl = infra_get_host_rto(worker->env.infra_cache,
-			&a->addr, a->addrlen, dp->name, dp->namelen,
-			&ri, &delay, *worker->env.now, &tA, &tAAAA, &tother);
-		if(entry_ttl == -2 && ri.rto >= USEFUL_SERVER_TOP_TIMEOUT) {
-			if(!ssl_printf(ssl, "expired, rto %d msec, tA %d "
-				"tAAAA %d tother %d.\n", ri.rto, tA, tAAAA,
-				tother))
-				return;
-			continue;
-		}
-		if(entry_ttl == -1 || entry_ttl == -2) {
-			if(!ssl_printf(ssl, "not in infra cache.\n"))
-				return;
-			continue; /* skip stuff not in infra cache */
-		}
-
-		/* uses type_A because most often looked up, but other
-		 * lameness won't be reported then */
-		if(!infra_get_lame_rtt(worker->env.infra_cache, 
-			&a->addr, a->addrlen, dp->name, dp->namelen,
-			LDNS_RR_TYPE_A, &lame, &dlame, &rlame, &rto,
-			*worker->env.now)) {
-			if(!ssl_printf(ssl, "not in infra cache.\n"))
-				return;
-			continue; /* skip stuff not in infra cache */
-		}
-		if(!ssl_printf(ssl, "%s%s%s%srto %d msec, ttl " ARG_LL "d, "
-			"ping %d var %d rtt %d, tA %d, tAAAA %d, tother %d",
-			lame?"LAME ":"", dlame?"NoDNSSEC ":"",
-			a->lame?"AddrWasParentSide ":"",
-			rlame?"NoAuthButRecursive ":"", rto, entry_ttl,
-			ri.srtt, ri.rttvar, rtt_notimeout(&ri),
-			tA, tAAAA, tother))
-			return;
-		if(delay)
-			if(!ssl_printf(ssl, ", probedelay %d", delay))
-				return;
-		if(infra_host(worker->env.infra_cache, &a->addr, a->addrlen,
-			dp->name, dp->namelen, *worker->env.now, &edns_vs,
-			&edns_lame_known, &to)) {
-			if(edns_vs == -1) {
-				if(!ssl_printf(ssl, ", noEDNS%s.",
-					edns_lame_known?" probed":" assumed"))
-					return;
-			} else {
-				if(!ssl_printf(ssl, ", EDNS %d%s.", edns_vs,
-					edns_lame_known?" probed":" assumed"))
-					return;
-			}
-		}
-		if(!ssl_printf(ssl, "\n"))
-			return;
-	}
-}
-
-/** print main dp info */
-static void
-print_dp_main(SSL* ssl, struct delegpt* dp, struct dns_msg* msg)
-{
-	size_t i, n_ns, n_miss, n_addr, n_res, n_avail;
-
-	/* print the dp */
-	if(msg)
-	    for(i=0; i<msg->rep->rrset_count; i++) {
-		struct ub_packed_rrset_key* k = msg->rep->rrsets[i];
-		struct packed_rrset_data* d = 
-			(struct packed_rrset_data*)k->entry.data;
-		if(d->security == sec_status_bogus) {
-			if(!ssl_printf(ssl, "Address is BOGUS:\n"))
-				return;
-		}
-		if(!dump_rrset(ssl, k, d, 0))
-			return;
-	    }
-	delegpt_count_ns(dp, &n_ns, &n_miss);
-	delegpt_count_addr(dp, &n_addr, &n_res, &n_avail);
-	/* since dp has not been used by iterator, all are available*/
-	if(!ssl_printf(ssl, "Delegation with %d names, of which %d "
-		"can be examined to query further addresses.\n"
-		"%sIt provides %d IP addresses.\n", 
-		(int)n_ns, (int)n_miss, (dp->bogus?"It is BOGUS. ":""),
-		(int)n_addr))
-		return;
-}
-
-int print_deleg_lookup(SSL* ssl, struct worker* worker, uint8_t* nm,
-	size_t nmlen, int ATTR_UNUSED(nmlabs))
-{
-	/* deep links into the iterator module */
-	struct delegpt* dp;
-	struct dns_msg* msg;
-	struct regional* region = worker->scratchpad;
-	char b[260];
-	struct query_info qinfo;
-	struct iter_hints_stub* stub;
-	regional_free_all(region);
-	qinfo.qname = nm;
-	qinfo.qname_len = nmlen;
-	qinfo.qtype = LDNS_RR_TYPE_A;
-	qinfo.qclass = LDNS_RR_CLASS_IN;
-	qinfo.local_alias = NULL;
-
-	dname_str(nm, b);
-	if(!ssl_printf(ssl, "The following name servers are used for lookup "
-		"of %s\n", b)) 
-		return 0;
-	
-	dp = forwards_lookup(worker->env.fwds, nm, qinfo.qclass);
-	if(dp) {
-		if(!ssl_printf(ssl, "forwarding request:\n"))
-			return 0;
-		print_dp_main(ssl, dp, NULL);
-		print_dp_details(ssl, worker, dp);
-		return 1;
-	}
-	
-	while(1) {
-		dp = dns_cache_find_delegation(&worker->env, nm, nmlen, 
-			qinfo.qtype, qinfo.qclass, region, &msg, 
-			*worker->env.now);
-		if(!dp) {
-			return ssl_printf(ssl, "no delegation from "
-				"cache; goes to configured roots\n");
-		}
-		/* go up? */
-		if(iter_dp_is_useless(&qinfo, BIT_RD, dp)) {
-			print_dp_main(ssl, dp, msg);
-			print_dp_details(ssl, worker, dp);
-			if(!ssl_printf(ssl, "cache delegation was "
-				"useless (no IP addresses)\n"))
-				return 0;
-			if(dname_is_root(nm)) {
-				/* goes to root config */
-				return ssl_printf(ssl, "no delegation from "
-					"cache; goes to configured roots\n");
-			} else {
-				/* useless, goes up */
-				nm = dp->name;
-				nmlen = dp->namelen;
-				dname_remove_label(&nm, &nmlen);
-				dname_str(nm, b);
-				if(!ssl_printf(ssl, "going up, lookup %s\n", b))
-					return 0;
-				continue;
-			}
-		} 
-		stub = hints_lookup_stub(worker->env.hints, nm, qinfo.qclass,
-			dp);
-		if(stub) {
-			if(stub->noprime) {
-				if(!ssl_printf(ssl, "The noprime stub servers "
-					"are used:\n"))
-					return 0;
-			} else {
-				if(!ssl_printf(ssl, "The stub is primed "
-						"with servers:\n"))
-					return 0;
-			}
-			print_dp_main(ssl, stub->dp, NULL);
-			print_dp_details(ssl, worker, stub->dp);
-		} else {
-			print_dp_main(ssl, dp, msg);
-			print_dp_details(ssl, worker, dp);
-		}
-		break;
-	}
-
-	return 1;
-}