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-rw-r--r--net-dns/djbdns/ChangeLog12
-rw-r--r--net-dns/djbdns/djbdns-1.05-r22.ebuild122
-rw-r--r--net-dns/djbdns/files/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch349
-rw-r--r--net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records.patch70
4 files changed, 551 insertions, 2 deletions
diff --git a/net-dns/djbdns/ChangeLog b/net-dns/djbdns/ChangeLog
index 3abdb2f2b76e..e55d5118861b 100644
--- a/net-dns/djbdns/ChangeLog
+++ b/net-dns/djbdns/ChangeLog
@@ -1,6 +1,14 @@
# ChangeLog for net-dns/djbdns
-# Copyright 2002-2008 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/net-dns/djbdns/ChangeLog,v 1.101 2008/11/17 21:17:08 flameeyes Exp $
+# Copyright 2002-2009 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/net-dns/djbdns/ChangeLog,v 1.102 2009/03/01 09:40:26 killerfox Exp $
+
+*djbdns-1.05-r22 (01 Mar 2009)
+
+ 01 Mar 2009; René Nussbaumer <killerfox@gentoo.org>
+ +files/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch,
+ +files/CVE2008-4392_0002-dnscache-cache-soa-records.patch,
+ +djbdns-1.05-r22.ebuild:
+ Fix CVE2008-4392
17 Nov 2008; Diego E. Pettenò <flameeyes@gentoo.org>
files/headtail.patch:
diff --git a/net-dns/djbdns/djbdns-1.05-r22.ebuild b/net-dns/djbdns/djbdns-1.05-r22.ebuild
new file mode 100644
index 000000000000..deeeac784b7b
--- /dev/null
+++ b/net-dns/djbdns/djbdns-1.05-r22.ebuild
@@ -0,0 +1,122 @@
+# Copyright 1999-2009 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-dns/djbdns/djbdns-1.05-r22.ebuild,v 1.1 2009/03/01 09:40:26 killerfox Exp $
+
+IUSE="doc ipv6 selinux static"
+
+inherit eutils flag-o-matic toolchain-funcs
+
+DESCRIPTION="Excellent high-performance DNS services"
+HOMEPAGE="http://cr.yp.to/djbdns.html"
+IPV6_PATCH="test23"
+
+SRC_URI="
+ http://cr.yp.to/djbdns/${P}.tar.gz
+ ipv6? ( http://www.fefe.de/dns/${P}-${IPV6_PATCH}.diff.bz2 )
+"
+
+SLOT="0"
+LICENSE="public-domain"
+KEYWORDS="~alpha ~amd64 ~hppa ~mips ~ppc ~ppc64 ~sparc ~x86"
+
+RDEPEND="
+ >=sys-process/daemontools-0.70
+ sys-apps/ucspi-tcp
+ doc? ( app-doc/djbdns-man )
+ selinux? ( sec-policy/selinux-djbdns )
+"
+
+src_unpack() {
+ unpack "${P}.tar.gz"
+ cd "${S}"
+
+ echo
+ elog 'Several patches have been dropped from this djbdns ebuild revision.'
+ elog 'Please use the DJBDNS_PATCH_DIR variable to specify a directory'
+ elog 'of custom patches.'
+ elog
+ elog 'Some of them can be found at http://tinydns.org/ or'
+ elog 'http://homepages.tesco.net/J.deBoynePollard/Softwares/djbdns/'
+ elog
+
+ epatch \
+ "${FILESDIR}/headtail.patch" \
+ "${FILESDIR}/dnsroots.patch" \
+ "${FILESDIR}/dnstracesort.patch"
+
+ # Fix CVE2008-4392
+ epatch \
+ "${FILESDIR}/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch" \
+ "${FILESDIR}/CVE2008-4392_0002-dnscache-cache-soa-records.patch"
+
+ if use ipv6; then
+ elog "At present dnstrace does NOT support IPv6. It will"\
+ "be compiled without IPv6 support."
+ cp -pR "${S}" "${S}-noipv6"
+ # Careful -- >=test21 of the IPv6 patch includes the errno patch
+ epatch "${DISTDIR}/${P}-${IPV6_PATCH}.diff.bz2"
+ cd "${S}-noipv6"
+ fi
+
+ epatch "${FILESDIR}/${PV}-errno.patch"
+
+ if [[ -n "${DJBDNS_PATCH_DIR}" && -d "${DJBDNS_PATCH_DIR}" ]]
+ then
+ echo
+ ewarn "You enabled custom patches from ${DJBDNS_PATCH_DIR}."
+ ewarn "Be warned that you won't get any support when using "
+ ewarn "this feature. You're on your own from now!"
+ echo
+ ebeep
+ cd "${S}" && epatch "${DJBDNS_PATCH_DIR}/"*
+ fi
+}
+
+src_compile() {
+ use static && append-ldflags -static
+ echo "$(tc-getCC) ${CFLAGS}" > conf-cc
+ echo "$(tc-getCC) ${LDFLAGS}" > conf-ld
+ echo "/usr" > conf-home
+ emake -j1 || die "emake failed"
+
+ # If djbdns is compiled with IPv6 support, it breaks dnstrace.
+ # Therefore we must compile dnstrace separately without IPv6
+ # support.
+ if use ipv6; then
+ elog "Compiling dnstrace without ipv6 support"
+ cd "${S}-noipv6"
+ echo "$(tc-getCC) ${CFLAGS}" > conf-cc
+ echo "$(tc-getCC) ${LDFLAGS}" > conf-ld
+ echo "/usr" > conf-home
+ emake -j1 dnstrace || die "emake failed"
+ fi
+}
+
+src_install() {
+ insinto /etc
+ doins dnsroots.global
+
+ into /usr
+ dobin *-conf dnscache tinydns walldns rbldns pickdns axfrdns \
+ *-get *-data *-edit dnsip dnsipq dnsname dnstxt dnsmx \
+ dnsfilter random-ip dnsqr dnsq dnstrace dnstracesort
+
+ use ipv6 && dobin dnsip6 dnsip6q "${S}-noipv6/dnstrace"
+
+ dodoc CHANGES FILES README SYSDEPS TARGETS TODO VERSION
+
+ dobin "${FILESDIR}/dnscache-setup"
+ dobin "${FILESDIR}/tinydns-setup"
+ newbin "${FILESDIR}/djbdns-setup-${PR}" djbdns-setup
+}
+
+pkg_setup() {
+ # The nofiles group is provided by baselayout
+ enewuser dnscache -1 -1 -1 nofiles
+ enewuser dnslog -1 -1 -1 nofiles
+ enewuser tinydns -1 -1 -1 nofiles
+}
+
+pkg_postinst() {
+ elog "Use dnscache-setup & tinydns-setup or djbdns-setup to configure djbdns."
+}
diff --git a/net-dns/djbdns/files/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch b/net-dns/djbdns/files/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch
new file mode 100644
index 000000000000..a0391ff00712
--- /dev/null
+++ b/net-dns/djbdns/files/CVE2008-4392_0001-dnscache-merge-similar-outgoing-queries.patch
@@ -0,0 +1,349 @@
+diff --git a/Makefile b/Makefile
+index 1429643..bc047c0 100644
+--- a/Makefile
++++ b/Makefile
+@@ -318,11 +318,11 @@ stralloc.h iopause.h taia.h tai.h uint64.h taia.h
+ ./compile dns_txt.c
+
+ dnscache: \
+-load dnscache.o droproot.o okclient.o log.o cache.o query.o \
++load dnscache.o droproot.o okclient.o log.o cache.o query.o qmerge.o \
+ response.o dd.o roots.o iopause.o prot.o dns.a env.a alloc.a buffer.a \
+ libtai.a unix.a byte.a socket.lib
+ ./load dnscache droproot.o okclient.o log.o cache.o \
+- query.o response.o dd.o roots.o iopause.o prot.o dns.a \
++ query.o qmerge.o response.o dd.o roots.o iopause.o prot.o dns.a \
+ env.a alloc.a buffer.a libtai.a unix.a byte.a `cat \
+ socket.lib`
+
+@@ -343,7 +343,7 @@ compile dnscache.c env.h exit.h scan.h strerr.h error.h ip4.h \
+ uint16.h uint64.h socket.h uint16.h dns.h stralloc.h gen_alloc.h \
+ iopause.h taia.h tai.h uint64.h taia.h taia.h byte.h roots.h fmt.h \
+ iopause.h query.h dns.h uint32.h alloc.h response.h uint32.h cache.h \
+-uint32.h uint64.h ndelay.h log.h uint64.h okclient.h droproot.h
++uint32.h uint64.h ndelay.h log.h uint64.h okclient.h droproot.h maxclient.h
+ ./compile dnscache.c
+
+ dnsfilter: \
+@@ -687,11 +687,16 @@ qlog.o: \
+ compile qlog.c buffer.h qlog.h uint16.h
+ ./compile qlog.c
+
++qmerge.o: \
++compile qmerge.c qmerge.h dns.h stralloc.h gen_alloc.h iopause.h \
++taia.h tai.h uint64.h log.h maxclient.h
++ ./compile qmerge.c
++
+ query.o: \
+ compile query.c error.h roots.h log.h uint64.h case.h cache.h \
+ uint32.h uint64.h byte.h dns.h stralloc.h gen_alloc.h iopause.h \
+ taia.h tai.h uint64.h taia.h uint64.h uint32.h uint16.h dd.h alloc.h \
+-response.h uint32.h query.h dns.h uint32.h
++response.h uint32.h query.h dns.h uint32.h qmerge.h
+ ./compile query.c
+
+ random-ip: \
+diff --git a/dnscache.c b/dnscache.c
+index 8c899a3..5ccb16a 100644
+--- a/dnscache.c
++++ b/dnscache.c
+@@ -22,6 +22,7 @@
+ #include "log.h"
+ #include "okclient.h"
+ #include "droproot.h"
++#include "maxclient.h"
+
+ static int packetquery(char *buf,unsigned int len,char **q,char qtype[2],char qclass[2],char id[2])
+ {
+@@ -54,7 +55,6 @@ uint64 numqueries = 0;
+
+ static int udp53;
+
+-#define MAXUDP 200
+ static struct udpclient {
+ struct query q;
+ struct taia start;
+@@ -131,7 +131,6 @@ void u_new(void)
+
+ static int tcp53;
+
+-#define MAXTCP 20
+ struct tcpclient {
+ struct query q;
+ struct taia start;
+diff --git a/log.c b/log.c
+index c43e8b0..b8cd7ce 100644
+--- a/log.c
++++ b/log.c
+@@ -150,6 +150,13 @@ void log_tx(const char *q,const char qtype[2],const char *control,const char ser
+ line();
+ }
+
++void log_tx_piggyback(const char *q, const char qtype[2], const char *control)
++{
++ string("txpb ");
++ logtype(qtype); space(); name(q); space(); name(control);
++ line();
++}
++
+ void log_cachedanswer(const char *q,const char type[2])
+ {
+ string("cached "); logtype(type); space();
+diff --git a/log.h b/log.h
+index fe62fa3..d9a829b 100644
+--- a/log.h
++++ b/log.h
+@@ -18,6 +18,7 @@ extern void log_cachednxdomain(const char *);
+ extern void log_cachedns(const char *,const char *);
+
+ extern void log_tx(const char *,const char *,const char *,const char *,unsigned int);
++extern void log_tx_piggyback(const char *,const char *,const char *);
+
+ extern void log_nxdomain(const char *,const char *,unsigned int);
+ extern void log_nodata(const char *,const char *,const char *,unsigned int);
+diff --git a/maxclient.h b/maxclient.h
+new file mode 100644
+index 0000000..e52fcd1
+--- /dev/null
++++ b/maxclient.h
+@@ -0,0 +1,7 @@
++#ifndef MAXCLIENT_H
++#define MAXCLIENT_H
++
++#define MAXUDP 200
++#define MAXTCP 20
++
++#endif /* MAXCLIENT_H */
+diff --git a/qmerge.c b/qmerge.c
+new file mode 100644
+index 0000000..7c92299
+--- /dev/null
++++ b/qmerge.c
+@@ -0,0 +1,115 @@
++#include "qmerge.h"
++#include "byte.h"
++#include "log.h"
++#include "maxclient.h"
++
++#define QMERGE_MAX (MAXUDP+MAXTCP)
++struct qmerge inprogress[QMERGE_MAX];
++
++static
++int qmerge_key_init(struct qmerge_key *qmk, const char *q, const char qtype[2],
++ const char *control)
++{
++ if (!dns_domain_copy(&qmk->q, q)) return 0;
++ byte_copy(qmk->qtype, 2, qtype);
++ if (!dns_domain_copy(&qmk->control, control)) return 0;
++ return 1;
++}
++
++static
++int qmerge_key_equal(struct qmerge_key *a, struct qmerge_key *b)
++{
++ return
++ byte_equal(a->qtype, 2, b->qtype) &&
++ dns_domain_equal(a->q, b->q) &&
++ dns_domain_equal(a->control, b->control);
++}
++
++static
++void qmerge_key_free(struct qmerge_key *qmk)
++{
++ dns_domain_free(&qmk->q);
++ dns_domain_free(&qmk->control);
++}
++
++void qmerge_free(struct qmerge **x)
++{
++ struct qmerge *qm;
++
++ qm = *x;
++ *x = 0;
++ if (!qm || !qm->active) return;
++
++ qm->active--;
++ if (!qm->active) {
++ qmerge_key_free(&qm->key);
++ dns_transmit_free(&qm->dt);
++ }
++}
++
++int qmerge_start(struct qmerge **qm, const char servers[64], int flagrecursive,
++ const char *q, const char qtype[2], const char localip[4],
++ const char *control)
++{
++ struct qmerge_key k;
++ int i;
++ int r;
++
++ qmerge_free(qm);
++
++ byte_zero(&k, sizeof k);
++ if (!qmerge_key_init(&k, q, qtype, control)) return -1;
++ for (i = 0; i < QMERGE_MAX; i++) {
++ if (!inprogress[i].active) continue;
++ if (!qmerge_key_equal(&k, &inprogress[i].key)) continue;
++ log_tx_piggyback(q, qtype, control);
++ inprogress[i].active++;
++ *qm = &inprogress[i];
++ qmerge_key_free(&k);
++ return 0;
++ }
++
++ for (i = 0; i < QMERGE_MAX; i++)
++ if (!inprogress[i].active)
++ break;
++ if (i == QMERGE_MAX) return -1;
++
++ log_tx(q, qtype, control, servers, 0);
++ r = dns_transmit_start(&inprogress[i].dt, servers, flagrecursive, q, qtype, localip);
++ if (r == -1) { qmerge_key_free(&k); return -1; }
++ inprogress[i].active++;
++ inprogress[i].state = 0;
++ qmerge_key_free(&inprogress[i].key);
++ byte_copy(&inprogress[i].key, sizeof k, &k);
++ *qm = &inprogress[i];
++ return 0;
++}
++
++void qmerge_io(struct qmerge *qm, iopause_fd *io, struct taia *deadline)
++{
++ if (qm->state == 0) {
++ dns_transmit_io(&qm->dt, io, deadline);
++ qm->state = 1;
++ }
++ else {
++ io->fd = -1;
++ io->events = 0;
++ }
++}
++
++int qmerge_get(struct qmerge **x, const iopause_fd *io, const struct taia *when)
++{
++ int r;
++ struct qmerge *qm;
++
++ qm = *x;
++ if (qm->state == -1) return -1; /* previous error */
++ if (qm->state == 0) return 0; /* no packet */
++ if (qm->state == 2) return 1; /* already got packet */
++
++ r = dns_transmit_get(&qm->dt, io, when);
++ if (r == -1) { qm->state = -1; return -1; } /* error */
++ if (r == 0) { qm->state = 0; return 0; } /* must wait for i/o */
++ if (r == 1) { qm->state = 2; return 1; } /* got packet */
++ return -1; /* bug */
++}
+diff --git a/qmerge.h b/qmerge.h
+new file mode 100644
+index 0000000..9a58157
+--- /dev/null
++++ b/qmerge.h
+@@ -0,0 +1,24 @@
++#ifndef QMERGE_H
++#define QMERGE_H
++
++#include "dns.h"
++
++struct qmerge_key {
++ char *q;
++ char qtype[2];
++ char *control;
++};
++
++struct qmerge {
++ int active;
++ struct qmerge_key key;
++ struct dns_transmit dt;
++ int state; /* -1 = error, 0 = need io, 1 = need get, 2 = got packet */
++};
++
++extern int qmerge_start(struct qmerge **,const char *,int,const char *,const char *,const char *,const char *);
++extern void qmerge_io(struct qmerge *,iopause_fd *,struct taia *);
++extern int qmerge_get(struct qmerge **,const iopause_fd *,const struct taia *);
++extern void qmerge_free(struct qmerge **);
++
++#endif /* QMERGE_H */
+diff --git a/query.c b/query.c
+index 46cdc00..f091fdd 100644
+--- a/query.c
++++ b/query.c
+@@ -81,7 +81,7 @@ static void cleanup(struct query *z)
+ int j;
+ int k;
+
+- dns_transmit_free(&z->dt);
++ qmerge_free(&z->qm);
+ for (j = 0;j < QUERY_MAXALIAS;++j)
+ dns_domain_free(&z->alias[j]);
+ for (j = 0;j < QUERY_MAXLEVEL;++j) {
+@@ -429,14 +429,8 @@ static int doit(struct query *z,int state)
+ if (j == 64) goto SERVFAIL;
+
+ dns_sortip(z->servers[z->level],64);
+- if (z->level) {
+- log_tx(z->name[z->level],DNS_T_A,z->control[z->level],z->servers[z->level],z->level);
+- if (dns_transmit_start(&z->dt,z->servers[z->level],flagforwardonly,z->name[z->level],DNS_T_A,z->localip) == -1) goto DIE;
+- }
+- else {
+- log_tx(z->name[0],z->type,z->control[0],z->servers[0],0);
+- if (dns_transmit_start(&z->dt,z->servers[0],flagforwardonly,z->name[0],z->type,z->localip) == -1) goto DIE;
+- }
++ dtype = z->level ? DNS_T_A : z->type;
++ if (qmerge_start(&z->qm,z->servers[z->level],flagforwardonly,z->name[z->level],dtype,z->localip,z->control[z->level]) == -1) goto DIE;
+ return 0;
+
+
+@@ -450,10 +444,10 @@ static int doit(struct query *z,int state)
+
+ HAVEPACKET:
+ if (++z->loop == 100) goto DIE;
+- buf = z->dt.packet;
+- len = z->dt.packetlen;
++ buf = z->qm->dt.packet;
++ len = z->qm->dt.packetlen;
+
+- whichserver = z->dt.servers + 4 * z->dt.curserver;
++ whichserver = z->qm->dt.servers + 4 * z->qm->dt.curserver;
+ control = z->control[z->level];
+ d = z->name[z->level];
+ dtype = z->level ? DNS_T_A : z->type;
+@@ -836,7 +830,7 @@ int query_start(struct query *z,char *dn,char type[2],char class[2],char localip
+
+ int query_get(struct query *z,iopause_fd *x,struct taia *stamp)
+ {
+- switch(dns_transmit_get(&z->dt,x,stamp)) {
++ switch(qmerge_get(&z->qm,x,stamp)) {
+ case 1:
+ return doit(z,1);
+ case -1:
+@@ -847,5 +841,5 @@ int query_get(struct query *z,iopause_fd *x,struct taia *stamp)
+
+ void query_io(struct query *z,iopause_fd *x,struct taia *deadline)
+ {
+- dns_transmit_io(&z->dt,x,deadline);
++ qmerge_io(z->qm,x,deadline);
+ }
+diff --git a/query.h b/query.h
+index eff68b2..06feab4 100644
+--- a/query.h
++++ b/query.h
+@@ -1,7 +1,7 @@
+ #ifndef QUERY_H
+ #define QUERY_H
+
+-#include "dns.h"
++#include "qmerge.h"
+ #include "uint32.h"
+
+ #define QUERY_MAXLEVEL 5
+@@ -20,7 +20,7 @@ struct query {
+ char localip[4];
+ char type[2];
+ char class[2];
+- struct dns_transmit dt;
++ struct qmerge *qm;
+ } ;
+
+ extern int query_start(struct query *,char *,char *,char *,char *);
diff --git a/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records.patch b/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records.patch
new file mode 100644
index 000000000000..9230e7583ddd
--- /dev/null
+++ b/net-dns/djbdns/files/CVE2008-4392_0002-dnscache-cache-soa-records.patch
@@ -0,0 +1,70 @@
+diff --git a/query.c b/query.c
+index 46cdc00..4574e97 100644
+--- a/query.c
++++ b/query.c
+@@ -319,6 +319,29 @@ static int doit(struct query *z,int state)
+ }
+ }
+
++ if (typematch(DNS_T_SOA,dtype)) {
++ byte_copy(key,2,DNS_T_SOA);
++ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
++ if (cached && (cachedlen || byte_diff(dtype,2,DNS_T_ANY))) {
++ log_cachedanswer(d,DNS_T_SOA);
++ if (!rqa(z)) goto DIE;
++ pos = 0;
++ while (pos = dns_packet_copy(cached,cachedlen,pos,misc,20)) {
++ pos = dns_packet_getname(cached,cachedlen,pos,&t2);
++ if (!pos) break;
++ pos = dns_packet_getname(cached,cachedlen,pos,&t3);
++ if (!pos) break;
++ if (!response_rstart(d,DNS_T_SOA,ttl)) goto DIE;
++ if (!response_addname(t2)) goto DIE;
++ if (!response_addname(t3)) goto DIE;
++ if (!response_addbytes(misc,20)) goto DIE;
++ response_rfinish(RESPONSE_ANSWER);
++ }
++ cleanup(z);
++ return 1;
++ }
++ }
++
+ if (typematch(DNS_T_A,dtype)) {
+ byte_copy(key,2,DNS_T_A);
+ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
+@@ -351,7 +374,7 @@ static int doit(struct query *z,int state)
+ }
+ }
+
+- if (!typematch(DNS_T_ANY,dtype) && !typematch(DNS_T_AXFR,dtype) && !typematch(DNS_T_CNAME,dtype) && !typematch(DNS_T_NS,dtype) && !typematch(DNS_T_PTR,dtype) && !typematch(DNS_T_A,dtype) && !typematch(DNS_T_MX,dtype)) {
++ if (!typematch(DNS_T_ANY,dtype) && !typematch(DNS_T_AXFR,dtype) && !typematch(DNS_T_CNAME,dtype) && !typematch(DNS_T_NS,dtype) && !typematch(DNS_T_PTR,dtype) && !typematch(DNS_T_A,dtype) && !typematch(DNS_T_MX,dtype) && !typematch(DNS_T_SOA,dtype)) {
+ byte_copy(key,2,dtype);
+ cached = cache_get(key,dlen + 2,&cachedlen,&ttl);
+ if (cached && (cachedlen || byte_diff(dtype,2,DNS_T_ANY))) {
+@@ -585,15 +608,24 @@ static int doit(struct query *z,int state)
+ else if (byte_equal(type,2,DNS_T_AXFR))
+ ;
+ else if (byte_equal(type,2,DNS_T_SOA)) {
++ int non_authority = 0;
++ save_start();
+ while (i < j) {
+ pos = dns_packet_skipname(buf,len,records[i]); if (!pos) goto DIE;
+ pos = dns_packet_getname(buf,len,pos + 10,&t2); if (!pos) goto DIE;
+ pos = dns_packet_getname(buf,len,pos,&t3); if (!pos) goto DIE;
+ pos = dns_packet_copy(buf,len,pos,misc,20); if (!pos) goto DIE;
+- if (records[i] < posauthority)
++ if (records[i] < posauthority) {
+ log_rrsoa(whichserver,t1,t2,t3,misc,ttl);
++ save_data(misc,20);
++ save_data(t2,dns_domain_length(t2));
++ save_data(t3,dns_domain_length(t3));
++ non_authority++;
++ }
+ ++i;
+ }
++ if (non_authority)
++ save_finish(DNS_T_SOA,t1,ttl);
+ }
+ else if (byte_equal(type,2,DNS_T_CNAME)) {
+ pos = dns_packet_skipname(buf,len,records[j - 1]); if (!pos) goto DIE;
+