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@ -1,254 +0,0 @@
|
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From 1f5cb247ecd20ba57c472138f94856aa83caf042 Mon Sep 17 00:00:00 2001
|
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From: Mark Andrews <marka@isc.org>
|
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Date: Tue, 1 Mar 2022 09:48:05 +1100
|
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Subject: [PATCH] Add additional name checks when using a forwarder
|
||||
|
||||
When using a forwarder, check that the owner name of response
|
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records are within the bailiwick of the forwarded name space.
|
||||
|
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(cherry picked from commit e8df2802ac62016ea68585893eb4310fc3329028)
|
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|
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Check that the forward declaration is unchanged and not overridden
|
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|
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If we are using a fowarder, in addition to checking that names to
|
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be cached are subdomains of the forwarded namespace, we must also
|
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check that there are no subsidiary forwarded namespaces which would
|
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take precedence. To be safe, we don't cache any responses if the
|
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forwarding configuration has changed since the query was sent.
|
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|
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(cherry picked from commit 590f8698fc876d6d72f75cf35359e7546c3af972)
|
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|
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Check cached names for possible "forward only" clause
|
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|
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When caching additional and glue data *not* from a forwarder, we must
|
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check that there is no "forward only" clause covering the owner name
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that would take precedence. Such names would normally be allowed by
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baliwick rules, but a "forward only" zone introduces a new baliwick
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scope.
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|
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(cherry picked from commit 4a144fae16e70517be894a971cef1d085ee68ebe)
|
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|
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Look for zones deeper than the current domain or forward name
|
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|
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When caching glue, we need to ensure that there is no closer
|
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source of truth for the name. If the owner name for the glue
|
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record would be answered by a locally configured zone, do not
|
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cache.
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|
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(cherry picked from commit 42f8c538d3fb9d075b98d82688aeb71621798754)
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Avoid use of compound literals
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Compound literals are not used in BIND 9.11, in order to ensure backward
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compatibility with ancient compilers. Rework the relevant parts of the
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BIND 9.11 backport of the CVE-2021-25220 fix so that compound literals
|
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are not used.
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(cherry picked from commit d4b1efbcbd4dfb8c6ef303968992440c5bdeed15)
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---
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lib/dns/resolver.c | 130 +++++++++++++++++++++++++++++++++++++++++++--
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1 file changed, 125 insertions(+), 5 deletions(-)
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diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
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index c912f3aea8..2c68973899 100644
|
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--- a/lib/dns/resolver.c
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+++ b/lib/dns/resolver.c
|
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@@ -63,6 +63,7 @@
|
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#include <dns/stats.h>
|
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#include <dns/tsig.h>
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#include <dns/validator.h>
|
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+#include <dns/zone.h>
|
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|
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#ifdef WANT_QUERYTRACE
|
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#define RTRACE(m) isc_log_write(dns_lctx, \
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@@ -312,6 +313,8 @@ struct fetchctx {
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bool ns_ttl_ok;
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uint32_t ns_ttl;
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isc_counter_t * qc;
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+ dns_fixedname_t fwdfname;
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+ dns_name_t *fwdname;
|
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|
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/*%
|
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* The number of events we're waiting for.
|
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@@ -3393,6 +3396,7 @@ fctx_getaddresses(fetchctx_t *fctx, bool badcache) {
|
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if (result == ISC_R_SUCCESS) {
|
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fwd = ISC_LIST_HEAD(forwarders->fwdrs);
|
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fctx->fwdpolicy = forwarders->fwdpolicy;
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+ dns_name_copy(domain, fctx->fwdname, NULL);
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if (fctx->fwdpolicy == dns_fwdpolicy_only &&
|
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isstrictsubdomain(domain, &fctx->domain)) {
|
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fcount_decr(fctx);
|
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@@ -4422,6 +4426,9 @@ fctx_create(dns_resolver_t *res, dns_name_t *name, dns_rdatatype_t type,
|
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fctx->restarts = 0;
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fctx->querysent = 0;
|
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fctx->referrals = 0;
|
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+
|
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+ fctx->fwdname = dns_fixedname_initname(&fctx->fwdfname);
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+
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TIME_NOW(&fctx->start);
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fctx->timeouts = 0;
|
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fctx->lamecount = 0;
|
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@@ -4480,8 +4487,10 @@ fctx_create(dns_resolver_t *res, dns_name_t *name, dns_rdatatype_t type,
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domain = dns_fixedname_initname(&fixed);
|
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result = dns_fwdtable_find2(fctx->res->view->fwdtable, fwdname,
|
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domain, &forwarders);
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- if (result == ISC_R_SUCCESS)
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+ if (result == ISC_R_SUCCESS) {
|
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fctx->fwdpolicy = forwarders->fwdpolicy;
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+ dns_name_copy(domain, fctx->fwdname, NULL);
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+ }
|
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|
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if (fctx->fwdpolicy != dns_fwdpolicy_only) {
|
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/*
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@@ -6231,6 +6240,112 @@ mark_related(dns_name_t *name, dns_rdataset_t *rdataset,
|
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rdataset->attributes |= DNS_RDATASETATTR_EXTERNAL;
|
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}
|
||||
|
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+/*
|
||||
+ * Returns true if 'name' is external to the namespace for which
|
||||
+ * the server being queried can answer, either because it's not a
|
||||
+ * subdomain or because it's below a forward declaration or a
|
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+ * locally served zone.
|
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+ */
|
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+static inline bool
|
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+name_external(dns_name_t *name, dns_rdatatype_t type, fetchctx_t *fctx) {
|
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+ isc_result_t result;
|
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+ dns_forwarders_t *forwarders = NULL;
|
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+ dns_fixedname_t fixed, zfixed;
|
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+ dns_name_t *fname = dns_fixedname_initname(&fixed);
|
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+ dns_name_t *zfname = dns_fixedname_initname(&zfixed);
|
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+ dns_name_t *apex = NULL;
|
||||
+ dns_name_t suffix;
|
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+ dns_zone_t *zone = NULL;
|
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+ unsigned int labels;
|
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+ dns_namereln_t rel;
|
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+ /*
|
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+ * The following two variables do not influence code flow; they are
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+ * only necessary for calling dns_name_fullcompare().
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+ */
|
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+ int _orderp = 0;
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+ unsigned int _nlabelsp = 0;
|
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+
|
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+ apex = ISFORWARDER(fctx->addrinfo) ? fctx->fwdname : &fctx->domain;
|
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+
|
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+ /*
|
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+ * The name is outside the queried namespace.
|
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+ */
|
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+ rel = dns_name_fullcompare(name, apex, &_orderp, &_nlabelsp);
|
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+ if (rel != dns_namereln_subdomain && rel != dns_namereln_equal) {
|
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+ return (true);
|
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+ }
|
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+
|
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+ /*
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+ * If the record lives in the parent zone, adjust the name so we
|
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+ * look for the correct zone or forward clause.
|
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+ */
|
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+ labels = dns_name_countlabels(name);
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+ if (dns_rdatatype_atparent(type) && labels > 1U) {
|
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+ dns_name_init(&suffix, NULL);
|
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+ dns_name_getlabelsequence(name, 1, labels - 1, &suffix);
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+ name = &suffix;
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+ } else if (rel == dns_namereln_equal) {
|
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+ /* If 'name' is 'apex', no further checking is needed. */
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+ return (false);
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+ }
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+
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+ /*
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+ * If there is a locally served zone between 'apex' and 'name'
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+ * then don't cache.
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+ */
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+ LOCK(&fctx->res->view->lock);
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+ if (fctx->res->view->zonetable != NULL) {
|
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+ unsigned int options = DNS_ZTFIND_NOEXACT;
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+ result = dns_zt_find(fctx->res->view->zonetable, name, options,
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+ zfname, &zone);
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+ if (zone != NULL) {
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+ dns_zone_detach(&zone);
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+ }
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+ if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH) {
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+ if (dns_name_fullcompare(zfname, apex, &_orderp,
|
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+ &_nlabelsp) ==
|
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+ dns_namereln_subdomain)
|
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+ {
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+ UNLOCK(&fctx->res->view->lock);
|
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+ return (true);
|
||||
+ }
|
||||
+ }
|
||||
+ }
|
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+ UNLOCK(&fctx->res->view->lock);
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+
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+ /*
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+ * Look for a forward declaration below 'name'.
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+ */
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+ result = dns_fwdtable_find2(fctx->res->view->fwdtable, name, fname,
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+ &forwarders);
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+
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+ if (ISFORWARDER(fctx->addrinfo)) {
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+ /*
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+ * See if the forwarder declaration is better.
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+ */
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+ if (result == ISC_R_SUCCESS) {
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+ return (!dns_name_equal(fname, fctx->fwdname));
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+ }
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+
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+ /*
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+ * If the lookup failed, the configuration must have
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+ * changed: play it safe and don't cache.
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+ */
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+ return (true);
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+ } else if (result == ISC_R_SUCCESS &&
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+ forwarders->fwdpolicy == dns_fwdpolicy_only &&
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+ !ISC_LIST_EMPTY(forwarders->fwdrs))
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+ {
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+ /*
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+ * If 'name' is covered by a 'forward only' clause then we
|
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+ * can't cache this repsonse.
|
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+ */
|
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+ return (true);
|
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+ }
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+
|
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+ return (false);
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+}
|
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+
|
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static isc_result_t
|
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check_section(void *arg, dns_name_t *addname, dns_rdatatype_t type,
|
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dns_section_t section)
|
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@@ -6259,7 +6374,7 @@ check_section(void *arg, dns_name_t *addname, dns_rdatatype_t type,
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result = dns_message_findname(rmessage, section, addname,
|
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dns_rdatatype_any, 0, &name, NULL);
|
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if (result == ISC_R_SUCCESS) {
|
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- external = !dns_name_issubdomain(name, &fctx->domain);
|
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+ external = name_external(name, type, fctx);
|
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if (type == dns_rdatatype_a) {
|
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for (rdataset = ISC_LIST_HEAD(name->list);
|
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rdataset != NULL;
|
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@@ -7141,6 +7256,13 @@ answer_response(fetchctx_t *fctx, dns_message_t *message) {
|
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break;
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case dns_namereln_subdomain:
|
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+ /*
|
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+ * Don't accept DNAME from parent namespace.
|
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+ */
|
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+ if (name_external(name, dns_rdatatype_dname, fctx)) {
|
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+ continue;
|
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+ }
|
||||
+
|
||||
/*
|
||||
* In-scope DNAME records must have at least
|
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* as many labels as the domain being queried.
|
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@@ -7376,11 +7498,9 @@ answer_response(fetchctx_t *fctx, dns_message_t *message) {
|
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*/
|
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result = dns_message_firstname(message, DNS_SECTION_AUTHORITY);
|
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while (!done && result == ISC_R_SUCCESS) {
|
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- bool external;
|
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name = NULL;
|
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dns_message_currentname(message, DNS_SECTION_AUTHORITY, &name);
|
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- external = !dns_name_issubdomain(name, &fctx->domain);
|
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- if (!external) {
|
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+ if (!name_external(name, dns_rdatatype_ns, fctx)) {
|
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/*
|
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* We expect to find NS or SIG NS rdatasets, and
|
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* nothing else.
|
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--
|
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2.34.1
|
||||
|
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@ -1,61 +0,0 @@
|
||||
From 05cdbc1006cee6daaa29e5423976d56047d22461 Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Micha=C5=82=20K=C4=99pie=C5=84?= <michal@isc.org>
|
||||
Date: Thu, 8 Sep 2022 11:11:30 +0200
|
||||
Subject: [PATCH] Bound the amount of work performed for delegations
|
||||
|
||||
Limit the amount of database lookups that can be triggered in
|
||||
fctx_getaddresses() (i.e. when determining the name server addresses to
|
||||
query next) by setting a hard limit on the number of NS RRs processed
|
||||
for any delegation encountered. Without any limit in place, named can
|
||||
be forced to perform large amounts of database lookups per each query
|
||||
received, which severely impacts resolver performance.
|
||||
|
||||
The limit used (20) is an arbitrary value that is considered to be big
|
||||
enough for any sane DNS delegation.
|
||||
|
||||
(cherry picked from commit 3a44097fd6c6c260765b628cd1d2c9cb7efb0b2a)
|
||||
(cherry picked from commit bf2ea6d8525bfd96a84dad221ba9e004adb710a8)
|
||||
---
|
||||
lib/dns/resolver.c | 12 ++++++++++++
|
||||
1 file changed, 12 insertions(+)
|
||||
|
||||
diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
|
||||
index 8ae9a993bb..ac9a9ef5d0 100644
|
||||
--- a/lib/dns/resolver.c
|
||||
+++ b/lib/dns/resolver.c
|
||||
@@ -180,6 +180,12 @@
|
||||
*/
|
||||
#define NS_FAIL_LIMIT 4
|
||||
#define NS_RR_LIMIT 5
|
||||
+/*
|
||||
+ * IP address lookups are performed for at most NS_PROCESSING_LIMIT NS RRs in
|
||||
+ * any NS RRset encountered, to avoid excessive resource use while processing
|
||||
+ * large delegations.
|
||||
+ */
|
||||
+#define NS_PROCESSING_LIMIT 20
|
||||
|
||||
/* Number of hash buckets for zone counters */
|
||||
#ifndef RES_DOMAIN_BUCKETS
|
||||
@@ -3318,6 +3324,7 @@ fctx_getaddresses(fetchctx_t *fctx, bool badcache) {
|
||||
bool need_alternate = false;
|
||||
bool all_spilled = true;
|
||||
unsigned int no_addresses = 0;
|
||||
+ unsigned int ns_processed = 0;
|
||||
|
||||
FCTXTRACE5("getaddresses", "fctx->depth=", fctx->depth);
|
||||
|
||||
@@ -3504,6 +3511,11 @@ fctx_getaddresses(fetchctx_t *fctx, bool badcache) {
|
||||
|
||||
dns_rdata_reset(&rdata);
|
||||
dns_rdata_freestruct(&ns);
|
||||
+
|
||||
+ if (++ns_processed >= NS_PROCESSING_LIMIT) {
|
||||
+ result = ISC_R_NOMORE;
|
||||
+ break;
|
||||
+ }
|
||||
}
|
||||
if (result != ISC_R_NOMORE) {
|
||||
return (result);
|
||||
--
|
||||
2.37.3
|
||||
|
||||
@ -1,46 +0,0 @@
|
||||
From 6c26ede8edcb700caca12c501c6c129801989526 Mon Sep 17 00:00:00 2001
|
||||
From: Mark Andrews <marka@isc.org>
|
||||
Date: Fri, 23 Feb 2024 10:12:47 +1100
|
||||
Subject: [PATCH] Do not use header_prev in expire_lru_headers
|
||||
|
||||
dns__cacherbt_expireheader can unlink / free header_prev underneath
|
||||
it. Use ISC_LIST_TAIL after calling dns__cacherbt_expireheader
|
||||
instead to get the next pointer to be processed.
|
||||
|
||||
(cherry picked from commit 7ce2e86024f022decb2678963538515ca39ab4ab)
|
||||
(cherry picked from commit f88f21b7d890eb80097f4bd434fedb29c2f9ff63)
|
||||
---
|
||||
lib/dns/rbtdb.c | 8 ++++----
|
||||
1 file changed, 4 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
|
||||
index cc40eaec60..ee59c1b18b 100644
|
||||
--- a/lib/dns/rbtdb.c
|
||||
+++ b/lib/dns/rbtdb.c
|
||||
@@ -10667,19 +10667,19 @@ update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header,
|
||||
static size_t
|
||||
expire_lru_headers(dns_rbtdb_t *rbtdb, unsigned int locknum, size_t purgesize,
|
||||
bool tree_locked) {
|
||||
- rdatasetheader_t *header, *header_prev;
|
||||
+ rdatasetheader_t *header;
|
||||
size_t purged = 0;
|
||||
|
||||
for (header = ISC_LIST_TAIL(rbtdb->rdatasets[locknum]);
|
||||
- header != NULL && purged <= purgesize; header = header_prev)
|
||||
+ header != NULL && purged <= purgesize;
|
||||
+ header = ISC_LIST_TAIL(rbtdb->rdatasets[locknum]))
|
||||
{
|
||||
- header_prev = ISC_LIST_PREV(header, link);
|
||||
/*
|
||||
* Unlink the entry at this point to avoid checking it
|
||||
* again even if it's currently used someone else and
|
||||
* cannot be purged at this moment. This entry won't be
|
||||
* referenced any more (so unlinking is safe) since the
|
||||
- * TTL was reset to 0.
|
||||
+ * TTL will be reset to 0.
|
||||
*/
|
||||
ISC_LIST_UNLINK(rbtdb->rdatasets[locknum], header, link);
|
||||
size_t header_size = rdataset_size(header);
|
||||
--
|
||||
2.43.2
|
||||
|
||||
@ -1,193 +0,0 @@
|
||||
From f3aa755ba5ae5148dd0567357f8c538072e2eabc Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@isc.org>
|
||||
Date: Tue, 30 May 2023 08:46:17 +0200
|
||||
Subject: [PATCH] Improve RBT overmem cache cleaning
|
||||
|
||||
When cache memory usage is over the configured cache size (overmem) and
|
||||
we are cleaning unused entries, it might not be enough to clean just two
|
||||
entries if the entries to be expired are smaller than the newly added
|
||||
rdata. This could be abused by an attacker to cause a remote Denial of
|
||||
Service by possibly running out of the operating system memory.
|
||||
|
||||
Currently, the addrdataset() tries to do a single TTL-based cleaning
|
||||
considering the serve-stale TTL and then optionally moves to overmem
|
||||
cleaning if we are in that condition. Then the overmem_purge() tries to
|
||||
do another single TTL based cleaning from the TTL heap and then continue
|
||||
with LRU-based cleaning up to 2 entries cleaned.
|
||||
|
||||
Squash the TTL-cleaning mechanism into single call from addrdataset(),
|
||||
but ignore the serve-stale TTL if we are currently overmem.
|
||||
|
||||
Then instead of having a fixed number of entries to clean, pass the size
|
||||
of newly added rdatasetheader to the overmem_purge() function and
|
||||
cleanup at least the size of the newly added data. This prevents the
|
||||
cache going over the configured memory limit (`max-cache-size`).
|
||||
|
||||
Additionally, refactor the overmem_purge() function to reduce for-loop
|
||||
nesting for readability.
|
||||
---
|
||||
lib/dns/rbtdb.c | 109 +++++++++++++++++++++++++++++-------------------
|
||||
1 file changed, 67 insertions(+), 42 deletions(-)
|
||||
|
||||
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
|
||||
index 11203e4..cc40eae 100644
|
||||
--- a/lib/dns/rbtdb.c
|
||||
+++ b/lib/dns/rbtdb.c
|
||||
@@ -834,7 +834,7 @@ static void update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header,
|
||||
static void expire_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header,
|
||||
bool tree_locked, expire_t reason);
|
||||
static void overmem_purge(dns_rbtdb_t *rbtdb, unsigned int locknum_start,
|
||||
- isc_stdtime_t now, bool tree_locked);
|
||||
+ size_t purgesize, bool tree_locked);
|
||||
static isc_result_t resign_insert(dns_rbtdb_t *rbtdb, int idx,
|
||||
rdatasetheader_t *newheader);
|
||||
static void resign_delete(dns_rbtdb_t *rbtdb, rbtdb_version_t *version,
|
||||
@@ -6937,6 +6937,16 @@ addclosest(dns_rbtdb_t *rbtdb, rdatasetheader_t *newheader,
|
||||
|
||||
static dns_dbmethods_t zone_methods;
|
||||
|
||||
+static size_t
|
||||
+rdataset_size(rdatasetheader_t *header) {
|
||||
+ if (!NONEXISTENT(header)) {
|
||||
+ return (dns_rdataslab_size((unsigned char *)header,
|
||||
+ sizeof(*header)));
|
||||
+ }
|
||||
+
|
||||
+ return (sizeof(*header));
|
||||
+}
|
||||
+
|
||||
static isc_result_t
|
||||
addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
|
||||
isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options,
|
||||
@@ -7091,7 +7101,8 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
|
||||
}
|
||||
|
||||
if (cache_is_overmem)
|
||||
- overmem_purge(rbtdb, rbtnode->locknum, now, tree_locked);
|
||||
+ overmem_purge(rbtdb, rbtnode->locknum, rdataset_size(newheader),
|
||||
+ tree_locked);
|
||||
|
||||
NODE_LOCK(&rbtdb->node_locks[rbtnode->locknum].lock,
|
||||
isc_rwlocktype_write);
|
||||
@@ -7106,9 +7117,19 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
|
||||
cleanup_dead_nodes(rbtdb, rbtnode->locknum);
|
||||
|
||||
header = isc_heap_element(rbtdb->heaps[rbtnode->locknum], 1);
|
||||
- if (header && header->rdh_ttl < now - RBTDB_VIRTUAL)
|
||||
- expire_header(rbtdb, header, tree_locked,
|
||||
- expire_ttl);
|
||||
+ if (header != NULL) {
|
||||
+ dns_ttl_t rdh_ttl = header->rdh_ttl;
|
||||
+
|
||||
+ /* Only account for stale TTL if cache is not overmem */
|
||||
+ if (!cache_is_overmem) {
|
||||
+ rdh_ttl += rbtdb->serve_stale_ttl;
|
||||
+ }
|
||||
+
|
||||
+ if (rdh_ttl < now - RBTDB_VIRTUAL) {
|
||||
+ expire_header(rbtdb, header, tree_locked,
|
||||
+ expire_ttl);
|
||||
+ }
|
||||
+ }
|
||||
|
||||
/*
|
||||
* If we've been holding a write lock on the tree just for
|
||||
@@ -10643,54 +10664,58 @@ update_header(dns_rbtdb_t *rbtdb, rdatasetheader_t *header,
|
||||
ISC_LIST_PREPEND(rbtdb->rdatasets[header->node->locknum], header, link);
|
||||
}
|
||||
|
||||
+static size_t
|
||||
+expire_lru_headers(dns_rbtdb_t *rbtdb, unsigned int locknum, size_t purgesize,
|
||||
+ bool tree_locked) {
|
||||
+ rdatasetheader_t *header, *header_prev;
|
||||
+ size_t purged = 0;
|
||||
+
|
||||
+ for (header = ISC_LIST_TAIL(rbtdb->rdatasets[locknum]);
|
||||
+ header != NULL && purged <= purgesize; header = header_prev)
|
||||
+ {
|
||||
+ header_prev = ISC_LIST_PREV(header, link);
|
||||
+ /*
|
||||
+ * Unlink the entry at this point to avoid checking it
|
||||
+ * again even if it's currently used someone else and
|
||||
+ * cannot be purged at this moment. This entry won't be
|
||||
+ * referenced any more (so unlinking is safe) since the
|
||||
+ * TTL was reset to 0.
|
||||
+ */
|
||||
+ ISC_LIST_UNLINK(rbtdb->rdatasets[locknum], header, link);
|
||||
+ size_t header_size = rdataset_size(header);
|
||||
+ expire_header(rbtdb, header, tree_locked, expire_lru);
|
||||
+ purged += header_size;
|
||||
+ }
|
||||
+
|
||||
+ return (purged);
|
||||
+}
|
||||
+
|
||||
/*%
|
||||
- * Purge some expired and/or stale (i.e. unused for some period) cache entries
|
||||
- * under an overmem condition. To recover from this condition quickly, up to
|
||||
- * 2 entries will be purged. This process is triggered while adding a new
|
||||
- * entry, and we specifically avoid purging entries in the same LRU bucket as
|
||||
- * the one to which the new entry will belong. Otherwise, we might purge
|
||||
- * entries of the same name of different RR types while adding RRsets from a
|
||||
- * single response (consider the case where we're adding A and AAAA glue records
|
||||
- * of the same NS name).
|
||||
+ * Purge some stale (i.e. unused for some period - LRU based cleaning) cache
|
||||
+ * entries under the overmem condition. To recover from this condition quickly,
|
||||
+ * we cleanup entries up to the size of newly added rdata (passed as purgesize).
|
||||
+ *
|
||||
+ * This process is triggered while adding a new entry, and we specifically avoid
|
||||
+ * purging entries in the same LRU bucket as the one to which the new entry will
|
||||
+ * belong. Otherwise, we might purge entries of the same name of different RR
|
||||
+ * types while adding RRsets from a single response (consider the case where
|
||||
+ * we're adding A and AAAA glue records of the same NS name).
|
||||
*/
|
||||
static void
|
||||
-overmem_purge(dns_rbtdb_t *rbtdb, unsigned int locknum_start,
|
||||
- isc_stdtime_t now, bool tree_locked)
|
||||
+overmem_purge(dns_rbtdb_t *rbtdb, unsigned int locknum_start, size_t purgesize,
|
||||
+ bool tree_locked)
|
||||
{
|
||||
- rdatasetheader_t *header, *header_prev;
|
||||
unsigned int locknum;
|
||||
- int purgecount = 2;
|
||||
+ size_t purged = 0;
|
||||
|
||||
for (locknum = (locknum_start + 1) % rbtdb->node_lock_count;
|
||||
- locknum != locknum_start && purgecount > 0;
|
||||
+ locknum != locknum_start && purged <= purgesize;
|
||||
locknum = (locknum + 1) % rbtdb->node_lock_count) {
|
||||
NODE_LOCK(&rbtdb->node_locks[locknum].lock,
|
||||
isc_rwlocktype_write);
|
||||
|
||||
- header = isc_heap_element(rbtdb->heaps[locknum], 1);
|
||||
- if (header && header->rdh_ttl < now - RBTDB_VIRTUAL) {
|
||||
- expire_header(rbtdb, header, tree_locked,
|
||||
- expire_ttl);
|
||||
- purgecount--;
|
||||
- }
|
||||
-
|
||||
- for (header = ISC_LIST_TAIL(rbtdb->rdatasets[locknum]);
|
||||
- header != NULL && purgecount > 0;
|
||||
- header = header_prev) {
|
||||
- header_prev = ISC_LIST_PREV(header, link);
|
||||
- /*
|
||||
- * Unlink the entry at this point to avoid checking it
|
||||
- * again even if it's currently used someone else and
|
||||
- * cannot be purged at this moment. This entry won't be
|
||||
- * referenced any more (so unlinking is safe) since the
|
||||
- * TTL was reset to 0.
|
||||
- */
|
||||
- ISC_LIST_UNLINK(rbtdb->rdatasets[locknum], header,
|
||||
- link);
|
||||
- expire_header(rbtdb, header, tree_locked,
|
||||
- expire_lru);
|
||||
- purgecount--;
|
||||
- }
|
||||
+ purged += expire_lru_headers(rbtdb, locknum, purgesize - purged,
|
||||
+ tree_locked);
|
||||
|
||||
NODE_UNLOCK(&rbtdb->node_locks[locknum].lock,
|
||||
isc_rwlocktype_write);
|
||||
--
|
||||
2.40.1
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,64 +0,0 @@
|
||||
From f0fc9d7999a94da3d471c4e0a35b1f447f25eea6 Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
|
||||
Date: Mon, 26 Feb 2024 21:08:42 +0100
|
||||
Subject: [PATCH] Add normal task queue also to non-thread version
|
||||
|
||||
Non-thread builds are used by us for dhcp package. Make it working
|
||||
again.
|
||||
|
||||
Related to [GL #4424] and [GL #4459].
|
||||
---
|
||||
lib/isc/task.c | 14 ++++++++------
|
||||
1 file changed, 8 insertions(+), 6 deletions(-)
|
||||
|
||||
diff --git a/lib/isc/task.c b/lib/isc/task.c
|
||||
index cc83269..5315b51 100644
|
||||
--- a/lib/isc/task.c
|
||||
+++ b/lib/isc/task.c
|
||||
@@ -1115,7 +1115,7 @@ dispatch(isc__taskmgr_t *manager, isc_taskqueue_t qid) {
|
||||
}
|
||||
#else /* USE_WORKER_THREADS */
|
||||
if (total_dispatch_count >= DEFAULT_TASKMGR_QUANTUM ||
|
||||
- empty_readyq(manager))
|
||||
+ empty_readyq(manager, qid))
|
||||
break;
|
||||
#endif /* USE_WORKER_THREADS */
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_TASK,
|
||||
@@ -1318,11 +1318,11 @@ dispatch(isc__taskmgr_t *manager, isc_taskqueue_t qid) {
|
||||
}
|
||||
|
||||
#ifndef USE_WORKER_THREADS
|
||||
- ISC_LIST_APPENDLIST(manager->ready_tasks, new_ready_tasks, ready_link);
|
||||
- ISC_LIST_APPENDLIST(manager->ready_priority_tasks, new_priority_tasks,
|
||||
+ ISC_LIST_APPENDLIST(manager->ready_tasks[qid], new_ready_tasks, ready_link);
|
||||
+ ISC_LIST_APPENDLIST(manager->ready_priority_tasks[qid], new_priority_tasks,
|
||||
ready_priority_link);
|
||||
manager->tasks_ready += tasks_ready;
|
||||
- if (empty_readyq(manager))
|
||||
+ if (empty_readyq(manager, qid))
|
||||
manager->mode = isc_taskmgrmode_normal;
|
||||
#endif
|
||||
|
||||
@@ -1713,7 +1713,8 @@ isc__taskmgr_ready(isc_taskmgr_t *manager0) {
|
||||
return (false);
|
||||
|
||||
LOCK(&manager->lock);
|
||||
- is_ready = !empty_readyq(manager);
|
||||
+ is_ready = !empty_readyq(manager, isc_taskqueue_normal) ||
|
||||
+ !empty_readyq(manager, isc_taskqueue_slow);
|
||||
UNLOCK(&manager->lock);
|
||||
|
||||
return (is_ready);
|
||||
@@ -1730,7 +1731,8 @@ isc__taskmgr_dispatch(isc_taskmgr_t *manager0) {
|
||||
if (manager == NULL)
|
||||
return (ISC_R_NOTFOUND);
|
||||
|
||||
- dispatch(manager);
|
||||
+ dispatch(manager, isc_taskqueue_normal);
|
||||
+ dispatch(manager, isc_taskqueue_slow);
|
||||
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
--
|
||||
2.43.2
|
||||
|
||||
@ -1,737 +0,0 @@
|
||||
From 4c20ab54ec503f65d8ee0b863cbf41103d95130a Mon Sep 17 00:00:00 2001
|
||||
From: Mark Andrews <marka@isc.org>
|
||||
Date: Wed, 22 Nov 2023 16:59:03 +1100
|
||||
Subject: [PATCH] Fail the DNSSEC validation on the first failure
|
||||
|
||||
Be more strict when encountering DNSSEC validation failures - fail on
|
||||
the first failure. This will break domains that have DNSSEC signing
|
||||
keys with duplicate key ids, but this is something that's much easier
|
||||
to fix on the authoritative side, so we are just going to be strict
|
||||
on the resolver side where it is causing performance problems.
|
||||
|
||||
(cherry picked from commit 8b7ecba9885e163c07c2dd3e1ceab79b2ba89e34)
|
||||
|
||||
Add normal and slow task queues
|
||||
|
||||
Split the task manager queues into normal and slow task queues, so we
|
||||
can move the tasks that blocks processing for a long time (like DNSSEC
|
||||
validation) into the slow queue which doesn't block fast
|
||||
operations (like responding from the cache). This mitigates the whole
|
||||
class of KeyTrap-like issues.
|
||||
|
||||
(cherry picked from commit db083a21726300916fa0b9fd8a433a796fedf636)
|
||||
|
||||
Don't iterate from start every time we select new signing key
|
||||
|
||||
Improve the selecting of the new signing key by remembering where
|
||||
we stopped the iteration and just continue from that place instead
|
||||
of iterating from the start over and over again each time.
|
||||
|
||||
(cherry picked from commit 75faeefcab47e4f1e12b358525190b4be90f97de)
|
||||
|
||||
Optimize selecting the signing key
|
||||
|
||||
Don't parse the crypto data before parsing and matching the id and the
|
||||
algorithm.
|
||||
|
||||
(cherry picked from commit b38552cca7200a72658e482f8407f57516efc5db)
|
||||
|
||||
6322. [security] Specific DNS answers could cause a denial-of-service
|
||||
condition due to DNS validation taking a long time.
|
||||
(CVE-2023-50387) [GL #4424]
|
||||
|
||||
The same code change also addresses another problem:
|
||||
preparing NSEC3 closest encloser proofs could exhaust
|
||||
available CPU resources. (CVE-2023-50868) [GL #4459]
|
||||
---
|
||||
lib/dns/dst_api.c | 25 ++++--
|
||||
lib/dns/include/dns/validator.h | 1 +
|
||||
lib/dns/include/dst/dst.h | 4 +
|
||||
lib/dns/resolver.c | 2 +-
|
||||
lib/dns/validator.c | 97 +++++++++-----------
|
||||
lib/dns/win32/libdns.def.in | 1 +
|
||||
lib/isc/include/isc/task.h | 11 ++-
|
||||
lib/isc/task.c | 153 ++++++++++++++++++++++----------
|
||||
8 files changed, 186 insertions(+), 108 deletions(-)
|
||||
|
||||
diff --git a/lib/dns/dst_api.c b/lib/dns/dst_api.c
|
||||
index 2156384ec1..6bcd99796c 100644
|
||||
--- a/lib/dns/dst_api.c
|
||||
+++ b/lib/dns/dst_api.c
|
||||
@@ -105,6 +105,7 @@ static isc_result_t frombuffer(dns_name_t *name,
|
||||
dns_rdataclass_t rdclass,
|
||||
isc_buffer_t *source,
|
||||
isc_mem_t *mctx,
|
||||
+ bool no_rdata,
|
||||
dst_key_t **keyp);
|
||||
|
||||
static isc_result_t algorithm_status(unsigned int alg);
|
||||
@@ -764,6 +765,13 @@ isc_result_t
|
||||
dst_key_fromdns(dns_name_t *name, dns_rdataclass_t rdclass,
|
||||
isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp)
|
||||
{
|
||||
+ return (dst_key_fromdns_ex(name, rdclass, source, mctx, false, keyp));
|
||||
+}
|
||||
+
|
||||
+isc_result_t
|
||||
+dst_key_fromdns_ex(dns_name_t *name, dns_rdataclass_t rdclass,
|
||||
+ isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata,
|
||||
+ dst_key_t **keyp) {
|
||||
uint8_t alg, proto;
|
||||
uint32_t flags, extflags;
|
||||
dst_key_t *key = NULL;
|
||||
@@ -792,7 +800,7 @@ dst_key_fromdns(dns_name_t *name, dns_rdataclass_t rdclass,
|
||||
}
|
||||
|
||||
result = frombuffer(name, alg, flags, proto, rdclass, source,
|
||||
- mctx, &key);
|
||||
+ mctx, no_rdata, &key);
|
||||
if (result != ISC_R_SUCCESS)
|
||||
return (result);
|
||||
key->key_id = id;
|
||||
@@ -814,7 +822,7 @@ dst_key_frombuffer(dns_name_t *name, unsigned int alg,
|
||||
REQUIRE(dst_initialized);
|
||||
|
||||
result = frombuffer(name, alg, flags, protocol, rdclass, source,
|
||||
- mctx, &key);
|
||||
+ mctx, false, &key);
|
||||
if (result != ISC_R_SUCCESS)
|
||||
return (result);
|
||||
|
||||
@@ -1915,7 +1923,8 @@ computeid(dst_key_t *key) {
|
||||
static isc_result_t
|
||||
frombuffer(dns_name_t *name, unsigned int alg, unsigned int flags,
|
||||
unsigned int protocol, dns_rdataclass_t rdclass,
|
||||
- isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp)
|
||||
+ isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata,
|
||||
+ dst_key_t **keyp)
|
||||
{
|
||||
dst_key_t *key;
|
||||
isc_result_t ret;
|
||||
@@ -1940,10 +1949,12 @@ frombuffer(dns_name_t *name, unsigned int alg, unsigned int flags,
|
||||
return (DST_R_UNSUPPORTEDALG);
|
||||
}
|
||||
|
||||
- ret = key->func->fromdns(key, source);
|
||||
- if (ret != ISC_R_SUCCESS) {
|
||||
- dst_key_free(&key);
|
||||
- return (ret);
|
||||
+ if (!no_rdata) {
|
||||
+ ret = key->func->fromdns(key, source);
|
||||
+ if (ret != ISC_R_SUCCESS) {
|
||||
+ dst_key_free(&key);
|
||||
+ return (ret);
|
||||
+ }
|
||||
}
|
||||
}
|
||||
|
||||
diff --git a/lib/dns/include/dns/validator.h b/lib/dns/include/dns/validator.h
|
||||
index cc4478d6d4..b4bf8f29db 100644
|
||||
--- a/lib/dns/include/dns/validator.h
|
||||
+++ b/lib/dns/include/dns/validator.h
|
||||
@@ -160,6 +160,7 @@ struct dns_validator {
|
||||
unsigned int depth;
|
||||
unsigned int authcount;
|
||||
unsigned int authfail;
|
||||
+ bool failed;
|
||||
isc_stdtime_t start;
|
||||
};
|
||||
|
||||
diff --git a/lib/dns/include/dst/dst.h b/lib/dns/include/dst/dst.h
|
||||
index 180c841307..a8be2daf67 100644
|
||||
--- a/lib/dns/include/dst/dst.h
|
||||
+++ b/lib/dns/include/dst/dst.h
|
||||
@@ -435,6 +435,10 @@ dst_key_tofile(const dst_key_t *key, int type, const char *directory);
|
||||
*/
|
||||
|
||||
isc_result_t
|
||||
+dst_key_fromdns_ex(dns_name_t *name, dns_rdataclass_t rdclass,
|
||||
+ isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata,
|
||||
+ dst_key_t **keyp);
|
||||
+isc_result_t
|
||||
dst_key_fromdns(dns_name_t *name, dns_rdataclass_t rdclass,
|
||||
isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp);
|
||||
/*%<
|
||||
diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
|
||||
index 4f71f48039..487107614c 100644
|
||||
--- a/lib/dns/resolver.c
|
||||
+++ b/lib/dns/resolver.c
|
||||
@@ -9267,7 +9267,7 @@ dns_resolver_create(dns_view_t *view,
|
||||
if (result != ISC_R_SUCCESS)
|
||||
goto cleanup_buckets;
|
||||
res->buckets[i].task = NULL;
|
||||
- result = isc_task_create(taskmgr, 0, &res->buckets[i].task);
|
||||
+ result = isc_task_create(taskmgr, ISC_TASK_QUANTUM_SLOW, &res->buckets[i].task);
|
||||
if (result != ISC_R_SUCCESS) {
|
||||
DESTROYLOCK(&res->buckets[i].lock);
|
||||
goto cleanup_buckets;
|
||||
diff --git a/lib/dns/validator.c b/lib/dns/validator.c
|
||||
index 2a5c3caa6a..0b257fe874 100644
|
||||
--- a/lib/dns/validator.c
|
||||
+++ b/lib/dns/validator.c
|
||||
@@ -1207,6 +1207,12 @@ create_validator(dns_validator_t *val, dns_name_t *name, dns_rdatatype_t type,
|
||||
* val->key at it.
|
||||
*
|
||||
* If val->key is non-NULL, this returns the next matching key.
|
||||
+ * If val->key is already non-NULL, start searching from the next position in
|
||||
+ * 'rdataset' to find the *next* key that could have signed 'siginfo', then
|
||||
+ * set val->key to that.
|
||||
+ *
|
||||
+ * Returns ISC_R_SUCCESS if a possible matching key has been found,
|
||||
+ * ISC_R_NOTFOUND if not. Any other value indicates error.
|
||||
*/
|
||||
static isc_result_t
|
||||
get_dst_key(dns_validator_t *val, dns_rdata_rrsig_t *siginfo,
|
||||
@@ -1216,54 +1222,59 @@ get_dst_key(dns_validator_t *val, dns_rdata_rrsig_t *siginfo,
|
||||
isc_buffer_t b;
|
||||
dns_rdata_t rdata = DNS_RDATA_INIT;
|
||||
dst_key_t *oldkey = val->key;
|
||||
- bool foundold;
|
||||
+ bool no_rdata = false;
|
||||
|
||||
- if (oldkey == NULL)
|
||||
- foundold = true;
|
||||
- else {
|
||||
- foundold = false;
|
||||
+ if (oldkey == NULL) {
|
||||
+ result = dns_rdataset_first(rdataset);
|
||||
+ } else {
|
||||
+ dst_key_free(&oldkey);
|
||||
val->key = NULL;
|
||||
+ result = dns_rdataset_next(rdataset);
|
||||
+ }
|
||||
+
|
||||
+ if (result != ISC_R_SUCCESS) {
|
||||
+ goto done;
|
||||
}
|
||||
|
||||
- result = dns_rdataset_first(rdataset);
|
||||
- if (result != ISC_R_SUCCESS)
|
||||
- goto failure;
|
||||
do {
|
||||
dns_rdataset_current(rdataset, &rdata);
|
||||
|
||||
isc_buffer_init(&b, rdata.data, rdata.length);
|
||||
isc_buffer_add(&b, rdata.length);
|
||||
INSIST(val->key == NULL);
|
||||
- result = dst_key_fromdns(&siginfo->signer, rdata.rdclass, &b,
|
||||
- val->view->mctx, &val->key);
|
||||
+ result = dst_key_fromdns_ex(&siginfo->signer, rdata.rdclass, &b,
|
||||
+ val->view->mctx, no_rdata,
|
||||
+ &val->key);
|
||||
if (result == ISC_R_SUCCESS) {
|
||||
if (siginfo->algorithm ==
|
||||
(dns_secalg_t)dst_key_alg(val->key) &&
|
||||
siginfo->keyid ==
|
||||
(dns_keytag_t)dst_key_id(val->key) &&
|
||||
+ (dst_key_flags(val->key) & DNS_KEYFLAG_REVOKE) ==
|
||||
+ 0 &&
|
||||
dst_key_iszonekey(val->key))
|
||||
{
|
||||
- if (foundold) {
|
||||
- /*
|
||||
- * This is the key we're looking for.
|
||||
- */
|
||||
- return (ISC_R_SUCCESS);
|
||||
- } else if (dst_key_compare(oldkey, val->key)) {
|
||||
- foundold = true;
|
||||
- dst_key_free(&oldkey);
|
||||
+ if (no_rdata) {
|
||||
+ /* Retry with full key */
|
||||
+ dns_rdata_reset(&rdata);
|
||||
+ dst_key_free(&val->key);
|
||||
+ no_rdata = false;
|
||||
+ continue;
|
||||
}
|
||||
+ /* This is the key we're looking for. */
|
||||
+ goto done;
|
||||
}
|
||||
dst_key_free(&val->key);
|
||||
}
|
||||
dns_rdata_reset(&rdata);
|
||||
result = dns_rdataset_next(rdataset);
|
||||
+ no_rdata = true;
|
||||
} while (result == ISC_R_SUCCESS);
|
||||
- if (result == ISC_R_NOMORE)
|
||||
- result = ISC_R_NOTFOUND;
|
||||
|
||||
- failure:
|
||||
- if (oldkey != NULL)
|
||||
- dst_key_free(&oldkey);
|
||||
+done:
|
||||
+ if (result == ISC_R_NOMORE) {
|
||||
+ result = ISC_R_NOTFOUND;
|
||||
+ }
|
||||
|
||||
return (result);
|
||||
}
|
||||
@@ -1633,37 +1644,13 @@ validate(dns_validator_t *val, bool resume) {
|
||||
continue;
|
||||
}
|
||||
|
||||
- do {
|
||||
- vresult = verify(val, val->key, &rdata,
|
||||
- val->siginfo->keyid);
|
||||
- if (vresult == ISC_R_SUCCESS)
|
||||
- break;
|
||||
- if (val->keynode != NULL) {
|
||||
- dns_keynode_t *nextnode = NULL;
|
||||
- result = dns_keytable_findnextkeynode(
|
||||
- val->keytable,
|
||||
- val->keynode,
|
||||
- &nextnode);
|
||||
- dns_keytable_detachkeynode(val->keytable,
|
||||
- &val->keynode);
|
||||
- val->keynode = nextnode;
|
||||
- if (result != ISC_R_SUCCESS) {
|
||||
- val->key = NULL;
|
||||
- break;
|
||||
- }
|
||||
- val->key = dns_keynode_key(val->keynode);
|
||||
- if (val->key == NULL)
|
||||
- break;
|
||||
- } else {
|
||||
- if (get_dst_key(val, val->siginfo, val->keyset)
|
||||
- != ISC_R_SUCCESS)
|
||||
- break;
|
||||
- }
|
||||
- } while (1);
|
||||
- if (vresult != ISC_R_SUCCESS)
|
||||
+ vresult = verify(val, val->key, &rdata,
|
||||
+ val->siginfo->keyid);
|
||||
+ if (vresult != ISC_R_SUCCESS) {
|
||||
+ val->failed = true;
|
||||
validator_log(val, ISC_LOG_DEBUG(3),
|
||||
"failed to verify rdataset");
|
||||
- else {
|
||||
+ } else {
|
||||
dns_rdataset_trimttl(event->rdataset,
|
||||
event->sigrdataset,
|
||||
val->siginfo, val->start,
|
||||
@@ -1700,9 +1687,13 @@ validate(dns_validator_t *val, bool resume) {
|
||||
} else {
|
||||
validator_log(val, ISC_LOG_DEBUG(3),
|
||||
"verify failure: %s",
|
||||
- isc_result_totext(result));
|
||||
+ isc_result_totext(vresult));
|
||||
resume = false;
|
||||
}
|
||||
+ if (val->failed) {
|
||||
+ result = ISC_R_NOMORE;
|
||||
+ break;
|
||||
+ }
|
||||
}
|
||||
if (result != ISC_R_NOMORE) {
|
||||
validator_log(val, ISC_LOG_DEBUG(3),
|
||||
diff --git a/lib/dns/win32/libdns.def.in b/lib/dns/win32/libdns.def.in
|
||||
index f597049493..7320653439 100644
|
||||
--- a/lib/dns/win32/libdns.def.in
|
||||
+++ b/lib/dns/win32/libdns.def.in
|
||||
@@ -1439,6 +1439,7 @@ dst_key_format
|
||||
dst_key_free
|
||||
dst_key_frombuffer
|
||||
dst_key_fromdns
|
||||
+dst_key_fromdns_ex
|
||||
dst_key_fromfile
|
||||
dst_key_fromgssapi
|
||||
dst_key_fromlabel
|
||||
diff --git a/lib/isc/include/isc/task.h b/lib/isc/include/isc/task.h
|
||||
index 28e5e25fc6..42f7763869 100644
|
||||
--- a/lib/isc/include/isc/task.h
|
||||
+++ b/lib/isc/include/isc/task.h
|
||||
@@ -98,8 +98,15 @@ ISC_LANG_BEGINDECLS
|
||||
***/
|
||||
|
||||
typedef enum {
|
||||
- isc_taskmgrmode_normal = 0,
|
||||
- isc_taskmgrmode_privileged
|
||||
+ isc_taskqueue_normal = 0,
|
||||
+ isc_taskqueue_slow = 1,
|
||||
+} isc_taskqueue_t;
|
||||
+
|
||||
+#define ISC_TASK_QUANTUM_SLOW 1024
|
||||
+
|
||||
+typedef enum {
|
||||
+ isc_taskmgrmode_normal = 0,
|
||||
+ isc_taskmgrmode_privileged
|
||||
} isc_taskmgrmode_t;
|
||||
|
||||
/*% Task and task manager methods */
|
||||
diff --git a/lib/isc/task.c b/lib/isc/task.c
|
||||
index 048639350b..cc83269df2 100644
|
||||
--- a/lib/isc/task.c
|
||||
+++ b/lib/isc/task.c
|
||||
@@ -107,6 +107,7 @@ struct isc__task {
|
||||
isc_eventlist_t on_shutdown;
|
||||
unsigned int nevents;
|
||||
unsigned int quantum;
|
||||
+ unsigned int qid;
|
||||
unsigned int flags;
|
||||
isc_stdtime_t now;
|
||||
isc_time_t tnow;
|
||||
@@ -141,11 +142,11 @@ struct isc__taskmgr {
|
||||
/* Locked by task manager lock. */
|
||||
unsigned int default_quantum;
|
||||
LIST(isc__task_t) tasks;
|
||||
- isc__tasklist_t ready_tasks;
|
||||
- isc__tasklist_t ready_priority_tasks;
|
||||
+ isc__tasklist_t ready_tasks[2];
|
||||
+ isc__tasklist_t ready_priority_tasks[2];
|
||||
isc_taskmgrmode_t mode;
|
||||
#ifdef ISC_PLATFORM_USETHREADS
|
||||
- isc_condition_t work_available;
|
||||
+ isc_condition_t work_available[2];
|
||||
isc_condition_t exclusive_granted;
|
||||
isc_condition_t paused;
|
||||
#endif /* ISC_PLATFORM_USETHREADS */
|
||||
@@ -247,13 +248,13 @@ isc_taskmgrmode_t
|
||||
isc__taskmgr_mode(isc_taskmgr_t *manager0);
|
||||
|
||||
static inline bool
|
||||
-empty_readyq(isc__taskmgr_t *manager);
|
||||
+empty_readyq(isc__taskmgr_t *manager, isc_taskqueue_t qid);
|
||||
|
||||
static inline isc__task_t *
|
||||
-pop_readyq(isc__taskmgr_t *manager);
|
||||
+pop_readyq(isc__taskmgr_t *manager, isc_taskqueue_t qid);
|
||||
|
||||
static inline void
|
||||
-push_readyq(isc__taskmgr_t *manager, isc__task_t *task);
|
||||
+push_readyq(isc__taskmgr_t *manager, isc__task_t *task, isc_taskqueue_t qid);
|
||||
|
||||
static struct isc__taskmethods {
|
||||
isc_taskmethods_t methods;
|
||||
@@ -324,7 +325,8 @@ task_finished(isc__task_t *task) {
|
||||
* any idle worker threads so they
|
||||
* can exit.
|
||||
*/
|
||||
- BROADCAST(&manager->work_available);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_slow]);
|
||||
}
|
||||
#endif /* USE_WORKER_THREADS */
|
||||
UNLOCK(&manager->lock);
|
||||
@@ -364,7 +366,13 @@ isc__task_create(isc_taskmgr_t *manager0, unsigned int quantum,
|
||||
INIT_LIST(task->events);
|
||||
INIT_LIST(task->on_shutdown);
|
||||
task->nevents = 0;
|
||||
- task->quantum = quantum;
|
||||
+ if (quantum >= ISC_TASK_QUANTUM_SLOW) {
|
||||
+ task->qid = isc_taskqueue_slow;
|
||||
+ task->quantum = quantum - ISC_TASK_QUANTUM_SLOW;
|
||||
+ } else {
|
||||
+ task->qid = isc_taskqueue_normal;
|
||||
+ task->quantum = quantum;
|
||||
+ }
|
||||
task->flags = 0;
|
||||
task->now = 0;
|
||||
isc_time_settoepoch(&task->tnow);
|
||||
@@ -476,11 +484,11 @@ task_ready(isc__task_t *task) {
|
||||
|
||||
LOCK(&manager->lock);
|
||||
LOCK(&task->lock);
|
||||
- push_readyq(manager, task);
|
||||
+ push_readyq(manager, task, task->qid);
|
||||
UNLOCK(&task->lock);
|
||||
#ifdef USE_WORKER_THREADS
|
||||
if (manager->mode == isc_taskmgrmode_normal || has_privilege)
|
||||
- SIGNAL(&manager->work_available);
|
||||
+ SIGNAL(&manager->work_available[task->qid]);
|
||||
#endif /* USE_WORKER_THREADS */
|
||||
UNLOCK(&manager->lock);
|
||||
}
|
||||
@@ -961,13 +969,13 @@ isc__task_getcurrenttimex(isc_task_t *task0, isc_time_t *t) {
|
||||
* Caller must hold the task manager lock.
|
||||
*/
|
||||
static inline bool
|
||||
-empty_readyq(isc__taskmgr_t *manager) {
|
||||
+empty_readyq(isc__taskmgr_t *manager, isc_taskqueue_t qid) {
|
||||
isc__tasklist_t queue;
|
||||
|
||||
if (manager->mode == isc_taskmgrmode_normal)
|
||||
- queue = manager->ready_tasks;
|
||||
+ queue = manager->ready_tasks[qid];
|
||||
else
|
||||
- queue = manager->ready_priority_tasks;
|
||||
+ queue = manager->ready_priority_tasks[qid];
|
||||
|
||||
return (EMPTY(queue));
|
||||
}
|
||||
@@ -981,18 +989,18 @@ empty_readyq(isc__taskmgr_t *manager) {
|
||||
* Caller must hold the task manager lock.
|
||||
*/
|
||||
static inline isc__task_t *
|
||||
-pop_readyq(isc__taskmgr_t *manager) {
|
||||
+pop_readyq(isc__taskmgr_t *manager, isc_taskqueue_t qid) {
|
||||
isc__task_t *task;
|
||||
|
||||
if (manager->mode == isc_taskmgrmode_normal)
|
||||
- task = HEAD(manager->ready_tasks);
|
||||
+ task = HEAD(manager->ready_tasks[qid]);
|
||||
else
|
||||
- task = HEAD(manager->ready_priority_tasks);
|
||||
+ task = HEAD(manager->ready_priority_tasks[qid]);
|
||||
|
||||
if (task != NULL) {
|
||||
- DEQUEUE(manager->ready_tasks, task, ready_link);
|
||||
+ DEQUEUE(manager->ready_tasks[qid], task, ready_link);
|
||||
if (ISC_LINK_LINKED(task, ready_priority_link))
|
||||
- DEQUEUE(manager->ready_priority_tasks, task,
|
||||
+ DEQUEUE(manager->ready_priority_tasks[qid], task,
|
||||
ready_priority_link);
|
||||
}
|
||||
|
||||
@@ -1006,16 +1014,16 @@ pop_readyq(isc__taskmgr_t *manager) {
|
||||
* Caller must hold the task manager lock.
|
||||
*/
|
||||
static inline void
|
||||
-push_readyq(isc__taskmgr_t *manager, isc__task_t *task) {
|
||||
- ENQUEUE(manager->ready_tasks, task, ready_link);
|
||||
+push_readyq(isc__taskmgr_t *manager, isc__task_t *task, isc_taskqueue_t qid) {
|
||||
+ ENQUEUE(manager->ready_tasks[qid], task, ready_link);
|
||||
if ((task->flags & TASK_F_PRIVILEGED) != 0)
|
||||
- ENQUEUE(manager->ready_priority_tasks, task,
|
||||
+ ENQUEUE(manager->ready_priority_tasks[qid], task,
|
||||
ready_priority_link);
|
||||
manager->tasks_ready++;
|
||||
}
|
||||
|
||||
static void
|
||||
-dispatch(isc__taskmgr_t *manager) {
|
||||
+dispatch(isc__taskmgr_t *manager, isc_taskqueue_t qid) {
|
||||
isc__task_t *task;
|
||||
#ifndef USE_WORKER_THREADS
|
||||
unsigned int total_dispatch_count = 0;
|
||||
@@ -1094,13 +1102,13 @@ dispatch(isc__taskmgr_t *manager) {
|
||||
* If a pause has been requested, don't do any work
|
||||
* until it's been released.
|
||||
*/
|
||||
- while ((empty_readyq(manager) || manager->pause_requested ||
|
||||
+ while ((empty_readyq(manager, qid) || manager->pause_requested ||
|
||||
manager->exclusive_requested) && !FINISHED(manager))
|
||||
{
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat,
|
||||
ISC_MSGSET_GENERAL,
|
||||
ISC_MSG_WAIT, "wait"));
|
||||
- WAIT(&manager->work_available, &manager->lock);
|
||||
+ WAIT(&manager->work_available[qid], &manager->lock);
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat,
|
||||
ISC_MSGSET_TASK,
|
||||
ISC_MSG_AWAKE, "awake"));
|
||||
@@ -1113,7 +1121,7 @@ dispatch(isc__taskmgr_t *manager) {
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_TASK,
|
||||
ISC_MSG_WORKING, "working"));
|
||||
|
||||
- task = pop_readyq(manager);
|
||||
+ task = pop_readyq(manager, qid);
|
||||
if (task != NULL) {
|
||||
unsigned int dispatch_count = 0;
|
||||
bool done = false;
|
||||
@@ -1278,7 +1286,7 @@ dispatch(isc__taskmgr_t *manager) {
|
||||
*/
|
||||
#ifdef USE_WORKER_THREADS
|
||||
LOCK(&task->lock);
|
||||
- push_readyq(manager, task);
|
||||
+ push_readyq(manager, task, qid);
|
||||
UNLOCK(&task->lock);
|
||||
#else
|
||||
ENQUEUE(new_ready_tasks, task, ready_link);
|
||||
@@ -1297,10 +1305,14 @@ dispatch(isc__taskmgr_t *manager) {
|
||||
* we're stuck. Automatically drop privileges at that
|
||||
* point and continue with the regular ready queue.
|
||||
*/
|
||||
- if (manager->tasks_running == 0 && empty_readyq(manager)) {
|
||||
+ if (manager->tasks_running == 0 && empty_readyq(manager, isc_taskqueue_normal) && empty_readyq(manager, isc_taskqueue_slow)) {
|
||||
manager->mode = isc_taskmgrmode_normal;
|
||||
- if (!empty_readyq(manager))
|
||||
- BROADCAST(&manager->work_available);
|
||||
+ if (!empty_readyq(manager, isc_taskqueue_normal)) {
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ }
|
||||
+ if (!empty_readyq(manager, isc_taskqueue_slow)) {
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_slow]);
|
||||
+ }
|
||||
}
|
||||
#endif
|
||||
}
|
||||
@@ -1322,13 +1334,37 @@ static isc_threadresult_t
|
||||
#ifdef _WIN32
|
||||
WINAPI
|
||||
#endif
|
||||
-run(void *uap) {
|
||||
+run_normal(void *uap) {
|
||||
isc__taskmgr_t *manager = uap;
|
||||
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
ISC_MSG_STARTING, "starting"));
|
||||
|
||||
- dispatch(manager);
|
||||
+ dispatch(manager, isc_taskqueue_normal);
|
||||
+
|
||||
+ XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
+ ISC_MSG_EXITING, "exiting"));
|
||||
+
|
||||
+#ifdef OPENSSL_LEAKS
|
||||
+ ERR_remove_state(0);
|
||||
+#endif
|
||||
+
|
||||
+ return ((isc_threadresult_t)0);
|
||||
+}
|
||||
+#endif /* USE_WORKER_THREADS */
|
||||
+
|
||||
+#ifdef USE_WORKER_THREADS
|
||||
+static isc_threadresult_t
|
||||
+#ifdef _WIN32
|
||||
+WINAPI
|
||||
+#endif
|
||||
+run_slow(void *uap) {
|
||||
+ isc__taskmgr_t *manager = uap;
|
||||
+
|
||||
+ XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
+ ISC_MSG_STARTING, "starting"));
|
||||
+
|
||||
+ dispatch(manager, isc_taskqueue_slow);
|
||||
|
||||
XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
ISC_MSG_EXITING, "exiting"));
|
||||
@@ -1347,7 +1383,8 @@ manager_free(isc__taskmgr_t *manager) {
|
||||
|
||||
#ifdef USE_WORKER_THREADS
|
||||
(void)isc_condition_destroy(&manager->exclusive_granted);
|
||||
- (void)isc_condition_destroy(&manager->work_available);
|
||||
+ (void)isc_condition_destroy(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ (void)isc_condition_destroy(&manager->work_available[isc_taskqueue_slow]);
|
||||
(void)isc_condition_destroy(&manager->paused);
|
||||
isc_mem_free(manager->mctx, manager->threads);
|
||||
#endif /* USE_WORKER_THREADS */
|
||||
@@ -1414,12 +1451,20 @@ isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
|
||||
#ifdef USE_WORKER_THREADS
|
||||
manager->workers = 0;
|
||||
manager->threads = isc_mem_allocate(mctx,
|
||||
- workers * sizeof(isc_thread_t));
|
||||
+ 2 * workers * sizeof(isc_thread_t));
|
||||
if (manager->threads == NULL) {
|
||||
result = ISC_R_NOMEMORY;
|
||||
goto cleanup_lock;
|
||||
}
|
||||
- if (isc_condition_init(&manager->work_available) != ISC_R_SUCCESS) {
|
||||
+ if (isc_condition_init(&manager->work_available[isc_taskqueue_normal]) != ISC_R_SUCCESS) {
|
||||
+ UNEXPECTED_ERROR(__FILE__, __LINE__,
|
||||
+ "isc_condition_init() %s",
|
||||
+ isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
+ ISC_MSG_FAILED, "failed"));
|
||||
+ result = ISC_R_UNEXPECTED;
|
||||
+ goto cleanup_threads;
|
||||
+ }
|
||||
+ if (isc_condition_init(&manager->work_available[isc_taskqueue_slow]) != ISC_R_SUCCESS) {
|
||||
UNEXPECTED_ERROR(__FILE__, __LINE__,
|
||||
"isc_condition_init() %s",
|
||||
isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
|
||||
@@ -1448,8 +1493,10 @@ isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
|
||||
default_quantum = DEFAULT_DEFAULT_QUANTUM;
|
||||
manager->default_quantum = default_quantum;
|
||||
INIT_LIST(manager->tasks);
|
||||
- INIT_LIST(manager->ready_tasks);
|
||||
- INIT_LIST(manager->ready_priority_tasks);
|
||||
+ INIT_LIST(manager->ready_tasks[isc_taskqueue_normal]);
|
||||
+ INIT_LIST(manager->ready_tasks[isc_taskqueue_slow]);
|
||||
+ INIT_LIST(manager->ready_priority_tasks[isc_taskqueue_normal]);
|
||||
+ INIT_LIST(manager->ready_priority_tasks[isc_taskqueue_slow]);
|
||||
manager->tasks_running = 0;
|
||||
manager->tasks_ready = 0;
|
||||
manager->exclusive_requested = false;
|
||||
@@ -1465,7 +1512,19 @@ isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
|
||||
* Start workers.
|
||||
*/
|
||||
for (i = 0; i < workers; i++) {
|
||||
- if (isc_thread_create(run, manager,
|
||||
+ if (isc_thread_create(run_normal, manager,
|
||||
+ &manager->threads[manager->workers]) ==
|
||||
+ ISC_R_SUCCESS) {
|
||||
+ char name[21]; /* thread name limit on Linux */
|
||||
+ snprintf(name, sizeof(name), "isc-worker%04u", i);
|
||||
+ isc_thread_setname(manager->threads[manager->workers],
|
||||
+ name);
|
||||
+ manager->workers++;
|
||||
+ started++;
|
||||
+ }
|
||||
+ }
|
||||
+ for (; i < workers * 2; i++) {
|
||||
+ if (isc_thread_create(run_slow, manager,
|
||||
&manager->threads[manager->workers]) ==
|
||||
ISC_R_SUCCESS) {
|
||||
char name[21]; /* thread name limit on Linux */
|
||||
@@ -1482,7 +1541,7 @@ isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
|
||||
manager_free(manager);
|
||||
return (ISC_R_NOTHREADS);
|
||||
}
|
||||
- isc_thread_setconcurrency(workers);
|
||||
+ isc_thread_setconcurrency(workers * 2);
|
||||
#endif /* USE_WORKER_THREADS */
|
||||
#ifdef USE_SHARED_MANAGER
|
||||
manager->refs = 1;
|
||||
@@ -1497,7 +1556,8 @@ isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
|
||||
cleanup_exclusivegranted:
|
||||
(void)isc_condition_destroy(&manager->exclusive_granted);
|
||||
cleanup_workavailable:
|
||||
- (void)isc_condition_destroy(&manager->work_available);
|
||||
+ (void)isc_condition_destroy(&manager->work_available[isc_taskqueue_slow]);
|
||||
+ (void)isc_condition_destroy(&manager->work_available[isc_taskqueue_normal]);
|
||||
cleanup_threads:
|
||||
isc_mem_free(mctx, manager->threads);
|
||||
cleanup_lock:
|
||||
@@ -1582,7 +1642,7 @@ isc__taskmgr_destroy(isc_taskmgr_t **managerp) {
|
||||
task = NEXT(task, link)) {
|
||||
LOCK(&task->lock);
|
||||
if (task_shutdown(task))
|
||||
- push_readyq(manager, task);
|
||||
+ push_readyq(manager, task, task->qid);
|
||||
UNLOCK(&task->lock);
|
||||
}
|
||||
#ifdef USE_WORKER_THREADS
|
||||
@@ -1591,7 +1651,8 @@ isc__taskmgr_destroy(isc_taskmgr_t **managerp) {
|
||||
* there's work left to do, and if there are already no tasks left
|
||||
* it will cause the workers to see manager->exiting.
|
||||
*/
|
||||
- BROADCAST(&manager->work_available);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_slow]);
|
||||
UNLOCK(&manager->lock);
|
||||
|
||||
/*
|
||||
@@ -1693,7 +1754,8 @@ isc__taskmgr_resume(isc_taskmgr_t *manager0) {
|
||||
LOCK(&manager->lock);
|
||||
if (manager->pause_requested) {
|
||||
manager->pause_requested = false;
|
||||
- BROADCAST(&manager->work_available);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_slow]);
|
||||
}
|
||||
UNLOCK(&manager->lock);
|
||||
}
|
||||
@@ -1778,7 +1840,8 @@ isc__task_endexclusive(isc_task_t *task0) {
|
||||
LOCK(&manager->lock);
|
||||
REQUIRE(manager->exclusive_requested);
|
||||
manager->exclusive_requested = false;
|
||||
- BROADCAST(&manager->work_available);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_normal]);
|
||||
+ BROADCAST(&manager->work_available[isc_taskqueue_slow]);
|
||||
UNLOCK(&manager->lock);
|
||||
#else
|
||||
UNUSED(task0);
|
||||
@@ -1804,10 +1867,10 @@ isc__task_setprivilege(isc_task_t *task0, bool priv) {
|
||||
|
||||
LOCK(&manager->lock);
|
||||
if (priv && ISC_LINK_LINKED(task, ready_link))
|
||||
- ENQUEUE(manager->ready_priority_tasks, task,
|
||||
+ ENQUEUE(manager->ready_priority_tasks[task->qid], task,
|
||||
ready_priority_link);
|
||||
else if (!priv && ISC_LINK_LINKED(task, ready_priority_link))
|
||||
- DEQUEUE(manager->ready_priority_tasks, task,
|
||||
+ DEQUEUE(manager->ready_priority_tasks[task->qid], task,
|
||||
ready_priority_link);
|
||||
UNLOCK(&manager->lock);
|
||||
}
|
||||
--
|
||||
2.43.2
|
||||
|
||||
@ -1,133 +0,0 @@
|
||||
From 0a7909045f9e1bf74c1f0fd561a8ef5f55481e8f Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Mon, 29 Jul 2024 16:20:50 +0200
|
||||
Subject: [PATCH] Allow global runtime definition by DNS_RBTDB_MAX_RTYPES
|
||||
|
||||
Modify rbtdb to not set it only at runtime, but allow setting that also
|
||||
in runtime via environment variable. It is still possible to modify
|
||||
default during the build define. In addition to it allows runtime change
|
||||
also. Can be positive number to set limit, 0 disabled the check.
|
||||
|
||||
Similarly add also DNS_RDATASET_MAX_RECORDS to set maximum number of
|
||||
records for a single name. This must be positive number, 0 is no accepted.
|
||||
|
||||
These replaces max-records-per-type and max-types-per-name in later
|
||||
versions. But can be configured only by environment and can be
|
||||
configured only globally, not in each view or zone.
|
||||
---
|
||||
lib/dns/rbtdb.c | 21 +++++++++++++++++++--
|
||||
lib/dns/rdataslab.c | 24 ++++++++++++++++++++++--
|
||||
2 files changed, 41 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
|
||||
index a3cb8dc871..0104c3ee36 100644
|
||||
--- a/lib/dns/rbtdb.c
|
||||
+++ b/lib/dns/rbtdb.c
|
||||
@@ -6320,15 +6320,29 @@ update_recordsandbytes(bool add, rbtdb_version_t *rbtversion,
|
||||
#define DNS_RBTDB_MAX_RTYPES 100
|
||||
#endif /* DNS_RBTDB_MAX_RTYPES */
|
||||
|
||||
+static uint32_t dns_g_rbtdb_max_rtypes = DNS_RBTDB_MAX_RTYPES;
|
||||
+
|
||||
+static void
|
||||
+init_max_rtypes(void) {
|
||||
+ /* Red Hat change, allow setting different max value by environment. */
|
||||
+ const char *max = getenv("DNS_RBTDB_MAX_RTYPES");
|
||||
+ if (max) {
|
||||
+ char *endp = NULL;
|
||||
+ long l = strtol(max, &endp, 10);
|
||||
+ if (max != endp && endp && !*endp && l >= 0)
|
||||
+ dns_g_rbtdb_max_rtypes = l;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
static bool
|
||||
overmaxtype(dns_rbtdb_t *rbtdb, uint32_t ntypes) {
|
||||
UNUSED(rbtdb);
|
||||
|
||||
- if (DNS_RBTDB_MAX_RTYPES == 0) {
|
||||
+ if (dns_g_rbtdb_max_rtypes == 0) {
|
||||
return (false);
|
||||
}
|
||||
|
||||
- return (ntypes >= DNS_RBTDB_MAX_RTYPES);
|
||||
+ return (ntypes >= dns_g_rbtdb_max_rtypes);
|
||||
}
|
||||
|
||||
static bool
|
||||
@@ -8831,6 +8845,8 @@ static dns_dbmethods_t cache_methods = {
|
||||
getservestalettl
|
||||
};
|
||||
|
||||
+static isc_once_t once_db = ISC_ONCE_INIT;
|
||||
+
|
||||
isc_result_t
|
||||
#ifdef DNS_RBTDB_VERSION64
|
||||
dns_rbtdb64_create
|
||||
@@ -8850,6 +8866,7 @@ dns_rbtdb_create
|
||||
|
||||
/* Keep the compiler happy. */
|
||||
UNUSED(driverarg);
|
||||
+ RUNTIME_CHECK(isc_once_do(&once_db, init_max_rtypes) == ISC_R_SUCCESS);
|
||||
|
||||
rbtdb = isc_mem_get(mctx, sizeof(*rbtdb));
|
||||
if (rbtdb == NULL)
|
||||
diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c
|
||||
index 347b7d2ce8..9566f79671 100644
|
||||
--- a/lib/dns/rdataslab.c
|
||||
+++ b/lib/dns/rdataslab.c
|
||||
@@ -17,6 +17,7 @@
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <isc/mem.h>
|
||||
+#include <isc/once.h>
|
||||
#include <isc/region.h>
|
||||
#include <isc/string.h> /* Required for HP/UX (and others?) */
|
||||
#include <isc/util.h>
|
||||
@@ -119,6 +120,23 @@ fillin_offsets(unsigned char *offsetbase, unsigned int *offsettable,
|
||||
#define DNS_RDATASET_MAX_RECORDS 100
|
||||
#endif /* DNS_RDATASET_MAX_RECORDS */
|
||||
|
||||
+static unsigned int dns_g_rdataset_max_records = DNS_RDATASET_MAX_RECORDS;
|
||||
+static isc_once_t once = ISC_ONCE_INIT;
|
||||
+
|
||||
+static void
|
||||
+init_max_records(void) {
|
||||
+ /* Red Hat change, allow setting different max value by environment. */
|
||||
+ const char *max = getenv("DNS_RDATASET_MAX_RECORDS");
|
||||
+ if (max) {
|
||||
+ char *endp = NULL;
|
||||
+ long l = strtol(max, &endp, 10);
|
||||
+ if (max != endp && endp && !*endp && l > 0)
|
||||
+ dns_g_rdataset_max_records = l;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+
|
||||
+
|
||||
isc_result_t
|
||||
dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
|
||||
isc_region_t *region, unsigned int reservelen)
|
||||
@@ -165,7 +183,9 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
|
||||
- if (nitems > DNS_RDATASET_MAX_RECORDS) {
|
||||
+ RUNTIME_CHECK(isc_once_do(&once, init_max_records) == ISC_R_SUCCESS);
|
||||
+
|
||||
+ if (nitems > dns_g_rdataset_max_records) {
|
||||
return (DNS_R_TOOMANYRECORDS);
|
||||
}
|
||||
|
||||
@@ -662,7 +682,7 @@ dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab,
|
||||
#endif
|
||||
INSIST(ocount > 0 && ncount > 0);
|
||||
|
||||
- if (ocount + ncount > DNS_RDATASET_MAX_RECORDS) {
|
||||
+ if (ocount + ncount > dns_g_rdataset_max_records) {
|
||||
return (DNS_R_TOOMANYRECORDS);
|
||||
}
|
||||
|
||||
--
|
||||
2.45.2
|
||||
|
||||
@ -1,317 +0,0 @@
|
||||
From 71df06e2bf3da31c5d542fb33dbda67b21537322 Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@isc.org>
|
||||
Date: Fri, 1 Mar 2024 08:26:07 +0100
|
||||
Subject: [PATCH] [9.11][CVE-2024-1737] Add a limit to the number of RRs in
|
||||
RRSets
|
||||
|
||||
Add a limit to the number of RRs in RRSets
|
||||
|
||||
Previously, the number of RRs in the RRSets were internally unlimited.
|
||||
As the data structure that holds the RRs is just a linked list, and
|
||||
there are places where we just walk through all of the RRs, adding an
|
||||
RRSet with huge number of RRs inside would slow down processing of said
|
||||
RRSets.
|
||||
|
||||
The fix for end-of-life branches make the limit compile-time only for
|
||||
simplicity and the limit can be changed at the compile time by adding
|
||||
following define to CFLAGS:
|
||||
|
||||
-DDNS_RDATASET_MAX_RECORDS=<limit>
|
||||
|
||||
(cherry picked from commit c5c4d00c38530390c9e1ae4c98b65fbbadfe9e5e)
|
||||
(cherry picked from commit 7f705778af729ada7fec36ac4b456c73329bd996)
|
||||
(cherry picked from commit b9b5485b22c364fb88c27aa04bad4c8f616da3fa)
|
||||
|
||||
Add a limit to the number of RR types for single name
|
||||
|
||||
Previously, the number of RR types for a single owner name was limited
|
||||
only by the maximum number of the types (64k). As the data structure
|
||||
that holds the RR types for the database node is just a linked list, and
|
||||
there are places where we just walk through the whole list (again and
|
||||
again), adding a large number of RR types for a single owner named with
|
||||
would slow down processing of such name (database node).
|
||||
|
||||
Add a hard-coded limit (100) to cap the number of the RR types for a single
|
||||
owner. The limit can be changed at the compile time by adding following
|
||||
define to CFLAGS:
|
||||
|
||||
-DDNS_RBTDB_MAX_RTYPES=<limit>
|
||||
|
||||
(cherry picked from commit 538b843d84f49ba5125ff545e3d0cf1c8434a8f2)
|
||||
(cherry picked from commit 3f10d6eff035702796ba82cd28b9f7cf9836e743)
|
||||
|
||||
Optimize the slabheader placement for certain RRTypes
|
||||
|
||||
Mark the infrastructure RRTypes as "priority" types and place them at
|
||||
the beginning of the rdataslab header data graph. The non-priority
|
||||
types either go right after the priority types (if any).
|
||||
|
||||
(cherry picked from commit 3ac482be7fd058d284e89873021339579fad0615)
|
||||
(cherry picked from commit 23a4652346fb2877d6246b1eebaa967969dbde16)
|
||||
|
||||
[9.11][CVE-2024-1737 (part 2)] Be smarter about refusing to add many RR types to the database
|
||||
|
||||
Expand the list of the priority types
|
||||
|
||||
Add HTTPS, SVCB, SRV, PTR, NAPTR, DNSKEY and TXT records to the list of
|
||||
the priority types that are put at the beginning of the slabheader list
|
||||
for faster access and to avoid eviction when there are more types than
|
||||
the max-types-per-name limit.
|
||||
|
||||
(cherry picked from commit b27c6bcce894786a8e082eafd59eccbf6f2731cb)
|
||||
(cherry picked from commit 3e0a67e4bdb253dae3a03a45c1aa117239a3313d)
|
||||
|
||||
Be smarter about refusing to add many RR types to the database
|
||||
|
||||
Instead of outright refusing to add new RR types to the cache, be a bit
|
||||
smarter:
|
||||
|
||||
1. If the new header type is in our priority list, we always add either
|
||||
positive or negative entry at the beginning of the list.
|
||||
|
||||
2. If the new header type is negative entry, and we are over the limit,
|
||||
we mark it as ancient immediately, so it gets evicted from the cache
|
||||
as soon as possible.
|
||||
|
||||
3. Otherwise add the new header after the priority headers (or at the
|
||||
head of the list).
|
||||
|
||||
4. If we are over the limit, evict the last entry on the normal header
|
||||
list.
|
||||
|
||||
(cherry picked from commit 57cd34441a1b4ecc9874a4a106c2c95b8d7a3120)
|
||||
(cherry picked from commit e4d7ce686bb38428eddc7e33b40057d68eca9a6e)
|
||||
---
|
||||
configure | 2 +-
|
||||
configure.ac | 2 +-
|
||||
lib/dns/rbtdb.c | 114 +++++++++++++++++++++++++++++++++++++++++++-
|
||||
lib/dns/rdataslab.c | 12 +++++
|
||||
4 files changed, 126 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/configure b/configure
|
||||
index e060e9d..6421c9b 100755
|
||||
--- a/configure
|
||||
+++ b/configure
|
||||
@@ -12189,7 +12189,7 @@ fi
|
||||
XTARGETS=
|
||||
case "$enable_developer" in
|
||||
yes)
|
||||
- STD_CDEFINES="$STD_CDEFINES -DISC_LIST_CHECKINIT=1"
|
||||
+ STD_CDEFINES="$STD_CDEFINES -DISC_LIST_CHECKINIT=1 -DDNS_RDATASET_MAX_RECORDS=5000 -DDNS_RBTDB_MAX_RTYPES=5000"
|
||||
test "${enable_fixed_rrset+set}" = set || enable_fixed_rrset=yes
|
||||
test "${enable_querytrace+set}" = set || enable_querytrace=yes
|
||||
test "${enable_filter_aaaa+set}" = set || enable_filter_aaaa=yes
|
||||
diff --git a/configure.ac b/configure.ac
|
||||
index 83cad4a..1c35ce9 100644
|
||||
--- a/configure.ac
|
||||
+++ b/configure.ac
|
||||
@@ -100,7 +100,7 @@ AC_ARG_ENABLE(developer,
|
||||
XTARGETS=
|
||||
case "$enable_developer" in
|
||||
yes)
|
||||
- STD_CDEFINES="$STD_CDEFINES -DISC_LIST_CHECKINIT=1"
|
||||
+ STD_CDEFINES="$STD_CDEFINES -DISC_LIST_CHECKINIT=1 -DDNS_RDATASET_MAX_RECORDS=5000 -DDNS_RBTDB_MAX_RTYPES=5000"
|
||||
test "${enable_fixed_rrset+set}" = set || enable_fixed_rrset=yes
|
||||
test "${enable_querytrace+set}" = set || enable_querytrace=yes
|
||||
test "${enable_filter_aaaa+set}" = set || enable_filter_aaaa=yes
|
||||
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
|
||||
index ee59c1b..a2b2df7 100644
|
||||
--- a/lib/dns/rbtdb.c
|
||||
+++ b/lib/dns/rbtdb.c
|
||||
@@ -1183,6 +1183,44 @@ set_ttl(dns_rbtdb_t *rbtdb, rdatasetheader_t *header, dns_ttl_t newttl) {
|
||||
isc_heap_decreased(heap, header->heap_index);
|
||||
}
|
||||
|
||||
+static bool
|
||||
+prio_type(rbtdb_rdatatype_t type) {
|
||||
+ switch (type) {
|
||||
+ case dns_rdatatype_soa:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_soa):
|
||||
+ case dns_rdatatype_a:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_a):
|
||||
+ case dns_rdatatype_mx:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_mx):
|
||||
+ case dns_rdatatype_aaaa:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_aaaa):
|
||||
+ case dns_rdatatype_nsec:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_nsec):
|
||||
+ case dns_rdatatype_nsec3:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_nsec3):
|
||||
+ case dns_rdatatype_ns:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_ns):
|
||||
+ case dns_rdatatype_ds:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_ds):
|
||||
+ case dns_rdatatype_cname:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_cname):
|
||||
+ case dns_rdatatype_dname:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_dname):
|
||||
+ case dns_rdatatype_dnskey:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_dnskey):
|
||||
+ case dns_rdatatype_srv:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_srv):
|
||||
+ case dns_rdatatype_txt:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_txt):
|
||||
+ case dns_rdatatype_ptr:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_ptr):
|
||||
+ case dns_rdatatype_naptr:
|
||||
+ case RBTDB_RDATATYPE_VALUE(dns_rdatatype_rrsig, dns_rdatatype_naptr):
|
||||
+ return (true);
|
||||
+ }
|
||||
+ return (false);
|
||||
+}
|
||||
+
|
||||
/*%
|
||||
* These functions allow the heap code to rank the priority of each
|
||||
* element. It returns true if v1 happens "sooner" than v2.
|
||||
@@ -6278,6 +6316,30 @@ update_recordsandbytes(bool add, rbtdb_version_t *rbtversion,
|
||||
RWUNLOCK(&rbtversion->rwlock, isc_rwlocktype_write);
|
||||
}
|
||||
|
||||
+#ifndef DNS_RBTDB_MAX_RTYPES
|
||||
+#define DNS_RBTDB_MAX_RTYPES 100
|
||||
+#endif /* DNS_RBTDB_MAX_RTYPES */
|
||||
+
|
||||
+static bool
|
||||
+overmaxtype(dns_rbtdb_t *rbtdb, uint32_t ntypes) {
|
||||
+ UNUSED(rbtdb);
|
||||
+
|
||||
+ if (DNS_RBTDB_MAX_RTYPES == 0) {
|
||||
+ return (false);
|
||||
+ }
|
||||
+
|
||||
+ return (ntypes >= DNS_RBTDB_MAX_RTYPES);
|
||||
+}
|
||||
+
|
||||
+static bool
|
||||
+prio_header(rdatasetheader_t *header) {
|
||||
+ if (NEGATIVE(header) && prio_type(RBTDB_RDATATYPE_EXT(header->type))) {
|
||||
+ return (true);
|
||||
+ }
|
||||
+
|
||||
+ return (prio_type(header->type));
|
||||
+}
|
||||
+
|
||||
/*
|
||||
* write lock on rbtnode must be held.
|
||||
*/
|
||||
@@ -6288,6 +6350,7 @@ add32(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
|
||||
{
|
||||
rbtdb_changed_t *changed = NULL;
|
||||
rdatasetheader_t *topheader, *topheader_prev, *header, *sigheader;
|
||||
+ rdatasetheader_t *prioheader = NULL, *expireheader = NULL;
|
||||
unsigned char *merged;
|
||||
isc_result_t result;
|
||||
bool header_nx;
|
||||
@@ -6297,6 +6360,7 @@ add32(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
|
||||
rbtdb_rdatatype_t negtype, sigtype;
|
||||
dns_trust_t trust;
|
||||
int idx;
|
||||
+ uint32_t ntypes = 0;
|
||||
|
||||
/*
|
||||
* Add an rdatasetheader_t to a node.
|
||||
@@ -6429,6 +6493,15 @@ add32(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
|
||||
for (topheader = rbtnode->data;
|
||||
topheader != NULL;
|
||||
topheader = topheader->next) {
|
||||
+ if (IS_CACHE(rbtdb) && ACTIVE(topheader, now)) {
|
||||
+ ++ntypes;
|
||||
+ expireheader = topheader;
|
||||
+ } else if (!IS_CACHE(rbtdb)) {
|
||||
+ ++ntypes;
|
||||
+ }
|
||||
+ if (prio_header(topheader)) {
|
||||
+ prioheader = topheader;
|
||||
+ }
|
||||
if (topheader->type == newheader->type ||
|
||||
topheader->type == negtype)
|
||||
break;
|
||||
@@ -6792,9 +6865,46 @@ add32(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
|
||||
/*
|
||||
* No rdatasets of the given type exist at the node.
|
||||
*/
|
||||
- newheader->next = rbtnode->data;
|
||||
+ if (!IS_CACHE(rbtdb) && overmaxtype(rbtdb, ntypes)) {
|
||||
+ free_rdataset(rbtdb, rbtdb->common.mctx,
|
||||
+ newheader);
|
||||
+ return (ISC_R_QUOTA);
|
||||
+ }
|
||||
+
|
||||
newheader->down = NULL;
|
||||
- rbtnode->data = newheader;
|
||||
+
|
||||
+ if (prio_header(newheader)) {
|
||||
+ /* This is a priority type, prepend it */
|
||||
+ newheader->next = rbtnode->data;
|
||||
+ rbtnode->data = newheader;
|
||||
+ } else if (prioheader != NULL) {
|
||||
+ /* Append after the priority headers */
|
||||
+ newheader->next = prioheader->next;
|
||||
+ prioheader->next = newheader;
|
||||
+ } else {
|
||||
+ /* There were no priority headers */
|
||||
+ newheader->next = rbtnode->data;
|
||||
+ rbtnode->data = newheader;
|
||||
+ }
|
||||
+
|
||||
+ if (IS_CACHE(rbtdb) && overmaxtype(rbtdb, ntypes)) {
|
||||
+ if (expireheader == NULL) {
|
||||
+ expireheader = newheader;
|
||||
+ }
|
||||
+ if (NEGATIVE(newheader) &&
|
||||
+ !prio_header(newheader))
|
||||
+ {
|
||||
+ /*
|
||||
+ * Add the new non-priority negative
|
||||
+ * header to the database only
|
||||
+ * temporarily.
|
||||
+ */
|
||||
+ expireheader = newheader;
|
||||
+ }
|
||||
+
|
||||
+ set_ttl(rbtdb, expireheader, 0);
|
||||
+ mark_header_ancient(rbtdb, expireheader);
|
||||
+ }
|
||||
}
|
||||
}
|
||||
|
||||
diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c
|
||||
index b0f77b1..347b7d2 100644
|
||||
--- a/lib/dns/rdataslab.c
|
||||
+++ b/lib/dns/rdataslab.c
|
||||
@@ -115,6 +115,10 @@ fillin_offsets(unsigned char *offsetbase, unsigned int *offsettable,
|
||||
}
|
||||
#endif
|
||||
|
||||
+#ifndef DNS_RDATASET_MAX_RECORDS
|
||||
+#define DNS_RDATASET_MAX_RECORDS 100
|
||||
+#endif /* DNS_RDATASET_MAX_RECORDS */
|
||||
+
|
||||
isc_result_t
|
||||
dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
|
||||
isc_region_t *region, unsigned int reservelen)
|
||||
@@ -161,6 +165,10 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
|
||||
return (ISC_R_SUCCESS);
|
||||
}
|
||||
|
||||
+ if (nitems > DNS_RDATASET_MAX_RECORDS) {
|
||||
+ return (DNS_R_TOOMANYRECORDS);
|
||||
+ }
|
||||
+
|
||||
if (nitems > 0xffff)
|
||||
return (ISC_R_NOSPACE);
|
||||
|
||||
@@ -654,6 +662,10 @@ dns_rdataslab_merge(unsigned char *oslab, unsigned char *nslab,
|
||||
#endif
|
||||
INSIST(ocount > 0 && ncount > 0);
|
||||
|
||||
+ if (ocount + ncount > DNS_RDATASET_MAX_RECORDS) {
|
||||
+ return (DNS_R_TOOMANYRECORDS);
|
||||
+ }
|
||||
+
|
||||
#if DNS_RDATASET_FIXED
|
||||
oncount = ncount;
|
||||
#endif
|
||||
--
|
||||
2.45.2
|
||||
|
||||
@ -1,322 +0,0 @@
|
||||
From 5ff88892e43c049659a8a5aef8dfd56c3712daf0 Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Tue, 16 Jul 2024 19:49:09 +0200
|
||||
Subject: [PATCH] Resolve CVE-2024-1975
|
||||
|
||||
6404. [security] Remove SIG(0) support from named as a countermeasure
|
||||
for CVE-2024-1975. [GL #4480]
|
||||
|
||||
Resolves: CVE-2024-1975
|
||||
---
|
||||
bin/named/client.c | 7 +++
|
||||
bin/tests/system/tsiggss/authsock.pl | 5 ++
|
||||
bin/tests/system/tsiggss/tests.sh | 12 ++--
|
||||
bin/tests/system/upforwd/tests.sh | 21 ++++---
|
||||
doc/arm/Bv9ARM-book.xml | 22 +++----
|
||||
lib/dns/message.c | 94 +++-------------------------
|
||||
6 files changed, 49 insertions(+), 112 deletions(-)
|
||||
|
||||
diff --git a/bin/named/client.c b/bin/named/client.c
|
||||
index 368bc94..ea121b3 100644
|
||||
--- a/bin/named/client.c
|
||||
+++ b/bin/named/client.c
|
||||
@@ -3013,6 +3013,13 @@ client_request(isc_task_t *task, isc_event_t *event) {
|
||||
ns_client_log(client, DNS_LOGCATEGORY_SECURITY,
|
||||
NS_LOGMODULE_CLIENT, ISC_LOG_DEBUG(3),
|
||||
"request is signed by a nonauthoritative key");
|
||||
+ } else if (result == DNS_R_NOTVERIFIEDYET &&
|
||||
+ client->message->sig0 != NULL)
|
||||
+ {
|
||||
+ ns_client_log(client, DNS_LOGCATEGORY_SECURITY,
|
||||
+ NS_LOGMODULE_CLIENT, ISC_LOG_DEBUG(3),
|
||||
+ "request has a SIG(0) signature but its support "
|
||||
+ "was removed (CVE-2024-1975)");
|
||||
} else {
|
||||
char tsigrcode[64];
|
||||
isc_buffer_t b;
|
||||
diff --git a/bin/tests/system/tsiggss/authsock.pl b/bin/tests/system/tsiggss/authsock.pl
|
||||
index ab3833d..0b231ee 100644
|
||||
--- a/bin/tests/system/tsiggss/authsock.pl
|
||||
+++ b/bin/tests/system/tsiggss/authsock.pl
|
||||
@@ -31,6 +31,10 @@ if (!defined($path)) {
|
||||
exit(1);
|
||||
}
|
||||
|
||||
+# Enable output autoflush so that it's not lost when the parent sends TERM.
|
||||
+select STDOUT;
|
||||
+$| = 1;
|
||||
+
|
||||
unlink($path);
|
||||
my $server = IO::Socket::UNIX->new(Local => $path, Type => SOCK_STREAM, Listen => 8) or
|
||||
die "unable to create socket $path";
|
||||
@@ -53,6 +57,7 @@ if ($timeout != 0) {
|
||||
}
|
||||
|
||||
while (my $client = $server->accept()) {
|
||||
+ printf("accept()\n");
|
||||
$client->recv(my $buf, 8, 0);
|
||||
my ($version, $req_len) = unpack('N N', $buf);
|
||||
|
||||
diff --git a/bin/tests/system/tsiggss/tests.sh b/bin/tests/system/tsiggss/tests.sh
|
||||
index 456ce61..d0db388 100644
|
||||
--- a/bin/tests/system/tsiggss/tests.sh
|
||||
+++ b/bin/tests/system/tsiggss/tests.sh
|
||||
@@ -116,7 +116,7 @@ status=$((status+ret))
|
||||
|
||||
echo_i "testing external update policy (CNAME) with auth sock ($n)"
|
||||
ret=0
|
||||
-$PERL ./authsock.pl --type=CNAME --path=ns1/auth.sock --pidfile=authsock.pid --timeout=120 > /dev/null 2>&1 &
|
||||
+$PERL ./authsock.pl --type=CNAME --path=ns1/auth.sock --pidfile=authsock.pid --timeout=120 >authsock.log 2>&1 &
|
||||
sleep 1
|
||||
test_update $n testcname.example.nil. CNAME "86400 CNAME testdenied.example.nil" "testdenied" || ret=1
|
||||
n=$((n+1))
|
||||
@@ -130,17 +130,19 @@ n=$((n+1))
|
||||
if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
|
||||
status=$((status+ret))
|
||||
|
||||
-echo_i "testing external policy with SIG(0) key ($n)"
|
||||
+echo_i "testing external policy with unsupported SIG(0) key ($n)"
|
||||
ret=0
|
||||
-$NSUPDATE -R $RANDFILE -k ns1/Kkey.example.nil.*.private <<END > /dev/null 2>&1 || ret=1
|
||||
+$NSUPDATE -R $RANDFILE -k ns1/Kkey.example.nil.*.private <<END >nsupdate.out${n} 2>&1 || true
|
||||
+debug
|
||||
server 10.53.0.1 ${PORT}
|
||||
zone example.nil
|
||||
update add fred.example.nil 120 cname foo.bar.
|
||||
send
|
||||
END
|
||||
+# update must have failed - SIG(0) signer is not supported
|
||||
output=`$DIG $DIGOPTS +short cname fred.example.nil.`
|
||||
-[ -n "$output" ] || ret=1
|
||||
-[ $ret -eq 0 ] || echo_i "failed"
|
||||
+[ -n "$output" ] && ret=1
|
||||
+grep -F "signer=key.example.nil" authsock.log >/dev/null && ret=1
|
||||
n=$((n+1))
|
||||
if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
|
||||
status=$((status+ret))
|
||||
diff --git a/bin/tests/system/upforwd/tests.sh b/bin/tests/system/upforwd/tests.sh
|
||||
index ebc9ded..f5b89d4 100644
|
||||
--- a/bin/tests/system/upforwd/tests.sh
|
||||
+++ b/bin/tests/system/upforwd/tests.sh
|
||||
@@ -181,19 +181,22 @@ n=`expr $n + 1`
|
||||
|
||||
if test -f keyname
|
||||
then
|
||||
- echo_i "checking update forwarding to with sig0 ($n)"
|
||||
+ echo_i "checking update forwarding to with sig0 (expected to fail) ($n)"
|
||||
ret=0
|
||||
keyname=`cat keyname`
|
||||
- $NSUPDATE -k $keyname.private -- - <<EOF
|
||||
- local 10.53.0.1
|
||||
- server 10.53.0.3 ${PORT}
|
||||
- zone example2
|
||||
- update add unsigned.example2. 600 A 10.10.10.1
|
||||
- update add unsigned.example2. 600 TXT Foo
|
||||
- send
|
||||
+ # SIG(0) is removed, update is expected to fail.
|
||||
+ {
|
||||
+ $NSUPDATE -k $keyname.private -- - <<EOF
|
||||
+ local 10.53.0.1
|
||||
+ server 10.53.0.3 ${PORT}
|
||||
+ zone example2
|
||||
+ update add unsigned.example2. 600 A 10.10.10.1
|
||||
+ update add unsigned.example2. 600 TXT Foo
|
||||
+ send
|
||||
EOF
|
||||
+ } >nsupdate.out.$n 2>&1 && ret=1
|
||||
$DIG -p ${PORT} unsigned.example2 A @10.53.0.1 > dig.out.ns1.test$n
|
||||
- grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
|
||||
+ grep "status: NOERROR" dig.out.ns1.test$n >/dev/null && ret=1
|
||||
if [ $ret != 0 ] ; then echo_i "failed"; fi
|
||||
status=`expr $status + $ret`
|
||||
n=`expr $n + 1`
|
||||
diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
|
||||
index acf772b..563dced 100644
|
||||
--- a/doc/arm/Bv9ARM-book.xml
|
||||
+++ b/doc/arm/Bv9ARM-book.xml
|
||||
@@ -2027,7 +2027,7 @@ allow-update { !{ !localnets; any; }; key host1-host2. ;};
|
||||
The TKEY process is initiated by a client or server by sending
|
||||
a query of type TKEY to a TKEY-aware server. The query must include
|
||||
an appropriate KEY record in the additional section, and
|
||||
- must be signed using either TSIG or SIG(0) with a previously
|
||||
+ must be signed using TSIG with a previously
|
||||
established key. The server's response, if successful,
|
||||
contains a TKEY record in its answer section. After this transaction,
|
||||
both participants have enough information to calculate a
|
||||
@@ -2050,24 +2050,24 @@ allow-update { !{ !localnets; any; }; key host1-host2. ;};
|
||||
<section xml:id="sig0"><info><title>SIG(0)</title></info>
|
||||
|
||||
<para>
|
||||
- <acronym>BIND</acronym> partially supports DNSSEC SIG(0)
|
||||
+ <acronym>BIND</acronym> partially supported DNSSEC SIG(0)
|
||||
transaction signatures as specified in RFC 2535 and RFC 2931.
|
||||
SIG(0) uses public/private keys to authenticate messages. Access control
|
||||
- is performed in the same manner as with TSIG keys; privileges can be
|
||||
+ were performed in the same manner as with TSIG keys; privileges can be
|
||||
granted or denied in ACL directives based on the key name.
|
||||
</para>
|
||||
<para>
|
||||
- When a SIG(0) signed message is received, it is only
|
||||
+ When a SIG(0) signed message were received, it were only
|
||||
verified if the key is known and trusted by the server. The
|
||||
- server does not attempt to recursively fetch or validate the
|
||||
+ server did not attempt to recursively fetch or validate the
|
||||
key.
|
||||
</para>
|
||||
<para>
|
||||
- SIG(0) signing of multiple-message TCP streams is not supported.
|
||||
+ SIG(0) signing of multiple-message TCP streams were not supported.
|
||||
</para>
|
||||
<para>
|
||||
- The only tool shipped with <acronym>BIND</acronym> 9 that
|
||||
- generates SIG(0) signed messages is <command>nsupdate</command>.
|
||||
+ Support for SIG(0) message verification was removed
|
||||
+ as part of the mitigation of CVE-2024-1975.
|
||||
</para>
|
||||
</section>
|
||||
|
||||
@@ -12655,7 +12655,7 @@ example.com. NS ns2.example.net.
|
||||
either grants or denies permission for one or more
|
||||
names in the zone to be updated by one or more
|
||||
identities. Identity is determined by the key that
|
||||
- signed the update request, using either TSIG or SIG(0).
|
||||
+ signed the update request, using TSIG.
|
||||
In most cases, <command>update-policy</command> rules
|
||||
only apply to key-based identities. There is no way
|
||||
to specify update permissions based on client source
|
||||
@@ -12742,7 +12742,7 @@ example.com. NS ns2.example.net.
|
||||
<para>
|
||||
The <command>identity</command> field must be set to
|
||||
a fully qualified domain name. In most cases, this
|
||||
- represents the name of the TSIG or SIG(0) key that must be
|
||||
+ represents the name of the TSIG key that must be
|
||||
used to sign the update request. If the specified name is a
|
||||
wildcard, it is subject to DNS wildcard expansion, and the
|
||||
rule may apply to multiple identities. When a TKEY exchange
|
||||
@@ -15952,7 +15952,7 @@ HOST-127.EXAMPLE. MX 0 .
|
||||
</para>
|
||||
<para>
|
||||
ACLs match clients on the basis of up to three characteristics:
|
||||
- 1) The client's IP address; 2) the TSIG or SIG(0) key that was
|
||||
+ 1) The client's IP address; 2) the TSIG key that was
|
||||
used to sign the request, if any; and 3) an address prefix
|
||||
encoded in an EDNS Client-Subnet option, if any.
|
||||
</para>
|
||||
diff --git a/lib/dns/message.c b/lib/dns/message.c
|
||||
index a44eb2d..9ea2b9e 100644
|
||||
--- a/lib/dns/message.c
|
||||
+++ b/lib/dns/message.c
|
||||
@@ -3373,103 +3373,23 @@ dns_message_dumpsig(dns_message_t *msg, char *txt1) {
|
||||
|
||||
isc_result_t
|
||||
dns_message_checksig(dns_message_t *msg, dns_view_t *view) {
|
||||
- isc_buffer_t b, msgb;
|
||||
+ isc_buffer_t msgb;
|
||||
|
||||
REQUIRE(DNS_MESSAGE_VALID(msg));
|
||||
|
||||
- if (msg->tsigkey == NULL && msg->tsig == NULL && msg->sig0 == NULL)
|
||||
+ if (msg->tsigkey == NULL && msg->tsig == NULL)
|
||||
return (ISC_R_SUCCESS);
|
||||
|
||||
INSIST(msg->saved.base != NULL);
|
||||
isc_buffer_init(&msgb, msg->saved.base, msg->saved.length);
|
||||
isc_buffer_add(&msgb, msg->saved.length);
|
||||
- if (msg->tsigkey != NULL || msg->tsig != NULL) {
|
||||
#ifdef SKAN_MSG_DEBUG
|
||||
- dns_message_dumpsig(msg, "dns_message_checksig#1");
|
||||
+ dns_message_dumpsig(msg, "dns_message_checksig#1");
|
||||
#endif
|
||||
- if (view != NULL)
|
||||
- return (dns_view_checksig(view, &msgb, msg));
|
||||
- else
|
||||
- return (dns_tsig_verify(&msgb, msg, NULL, NULL));
|
||||
- } else {
|
||||
- dns_rdata_t rdata = DNS_RDATA_INIT;
|
||||
- dns_rdata_sig_t sig;
|
||||
- dns_rdataset_t keyset;
|
||||
- isc_result_t result;
|
||||
-
|
||||
- result = dns_rdataset_first(msg->sig0);
|
||||
- INSIST(result == ISC_R_SUCCESS);
|
||||
- dns_rdataset_current(msg->sig0, &rdata);
|
||||
-
|
||||
- /*
|
||||
- * This can occur when the message is a dynamic update, since
|
||||
- * the rdata length checking is relaxed. This should not
|
||||
- * happen in a well-formed message, since the SIG(0) is only
|
||||
- * looked for in the additional section, and the dynamic update
|
||||
- * meta-records are in the prerequisite and update sections.
|
||||
- */
|
||||
- if (rdata.length == 0)
|
||||
- return (ISC_R_UNEXPECTEDEND);
|
||||
-
|
||||
- result = dns_rdata_tostruct(&rdata, &sig, msg->mctx);
|
||||
- if (result != ISC_R_SUCCESS)
|
||||
- return (result);
|
||||
-
|
||||
- dns_rdataset_init(&keyset);
|
||||
- if (view == NULL)
|
||||
- return (DNS_R_KEYUNAUTHORIZED);
|
||||
- result = dns_view_simplefind(view, &sig.signer,
|
||||
- dns_rdatatype_key /* SIG(0) */,
|
||||
- 0, 0, false, &keyset, NULL);
|
||||
-
|
||||
- if (result != ISC_R_SUCCESS) {
|
||||
- /* XXXBEW Should possibly create a fetch here */
|
||||
- result = DNS_R_KEYUNAUTHORIZED;
|
||||
- goto freesig;
|
||||
- } else if (keyset.trust < dns_trust_secure) {
|
||||
- /* XXXBEW Should call a validator here */
|
||||
- result = DNS_R_KEYUNAUTHORIZED;
|
||||
- goto freesig;
|
||||
- }
|
||||
- result = dns_rdataset_first(&keyset);
|
||||
- INSIST(result == ISC_R_SUCCESS);
|
||||
- for (;
|
||||
- result == ISC_R_SUCCESS;
|
||||
- result = dns_rdataset_next(&keyset))
|
||||
- {
|
||||
- dst_key_t *key = NULL;
|
||||
-
|
||||
- dns_rdata_reset(&rdata);
|
||||
- dns_rdataset_current(&keyset, &rdata);
|
||||
- isc_buffer_init(&b, rdata.data, rdata.length);
|
||||
- isc_buffer_add(&b, rdata.length);
|
||||
-
|
||||
- result = dst_key_fromdns(&sig.signer, rdata.rdclass,
|
||||
- &b, view->mctx, &key);
|
||||
- if (result != ISC_R_SUCCESS)
|
||||
- continue;
|
||||
- if (dst_key_alg(key) != sig.algorithm ||
|
||||
- dst_key_id(key) != sig.keyid ||
|
||||
- !(dst_key_proto(key) == DNS_KEYPROTO_DNSSEC ||
|
||||
- dst_key_proto(key) == DNS_KEYPROTO_ANY))
|
||||
- {
|
||||
- dst_key_free(&key);
|
||||
- continue;
|
||||
- }
|
||||
- result = dns_dnssec_verifymessage(&msgb, msg, key);
|
||||
- dst_key_free(&key);
|
||||
- if (result == ISC_R_SUCCESS)
|
||||
- break;
|
||||
- }
|
||||
- if (result == ISC_R_NOMORE)
|
||||
- result = DNS_R_KEYUNAUTHORIZED;
|
||||
-
|
||||
- freesig:
|
||||
- if (dns_rdataset_isassociated(&keyset))
|
||||
- dns_rdataset_disassociate(&keyset);
|
||||
- dns_rdata_freestruct(&sig);
|
||||
- return (result);
|
||||
- }
|
||||
+ if (view != NULL)
|
||||
+ return (dns_view_checksig(view, &msgb, msg));
|
||||
+ else
|
||||
+ return (dns_tsig_verify(&msgb, msg, NULL, NULL));
|
||||
}
|
||||
|
||||
#define INDENT(sp) \
|
||||
--
|
||||
2.45.2
|
||||
|
||||
@ -1,232 +0,0 @@
|
||||
From fff2960981a3294ac641968a17558c8d7eecf74d Mon Sep 17 00:00:00 2001
|
||||
From: Mark Andrews <marka@isc.org>
|
||||
Date: Wed, 24 Aug 2022 12:21:50 +1000
|
||||
Subject: [PATCH] Have dns_zt_apply lock the zone table
|
||||
|
||||
There where a number of places where the zone table should have
|
||||
been locked, but wasn't, when dns_zt_apply was called.
|
||||
|
||||
Added a isc_rwlocktype_t type parameter to dns_zt_apply and adjusted
|
||||
all calls to using it. Removed locks in callers.
|
||||
|
||||
Modified upstream commit for v9_11
|
||||
---
|
||||
bin/named/server.c | 11 ++++++-----
|
||||
bin/named/statschannel.c | 8 ++++----
|
||||
lib/dns/include/dns/zt.h | 4 ++--
|
||||
lib/dns/tests/zt_test.c | 3 ++-
|
||||
lib/dns/view.c | 3 ++-
|
||||
lib/dns/zt.c | 34 +++++++++++++++++++---------------
|
||||
6 files changed, 35 insertions(+), 28 deletions(-)
|
||||
|
||||
diff --git a/bin/named/server.c b/bin/named/server.c
|
||||
index 9826588e6d..0b4b309461 100644
|
||||
--- a/bin/named/server.c
|
||||
+++ b/bin/named/server.c
|
||||
@@ -8723,8 +8723,8 @@ load_configuration(const char *filename, ns_server_t *server,
|
||||
strcmp(view->name, "_bind") != 0)
|
||||
{
|
||||
dns_view_setviewrevert(view);
|
||||
- (void)dns_zt_apply(view->zonetable, false,
|
||||
- removed, view);
|
||||
+ (void)dns_zt_apply(view->zonetable, isc_rwlocktype_read,
|
||||
+ false, removed, view);
|
||||
}
|
||||
dns_view_detach(&view);
|
||||
}
|
||||
@@ -10090,8 +10090,8 @@ add_view_tolist(struct dumpcontext *dctx, dns_view_t *view) {
|
||||
ISC_LIST_INIT(vle->zonelist);
|
||||
ISC_LIST_APPEND(dctx->viewlist, vle, link);
|
||||
if (dctx->dumpzones)
|
||||
- result = dns_zt_apply(view->zonetable, true,
|
||||
- add_zone_tolist, dctx);
|
||||
+ result = dns_zt_apply(view->zonetable, isc_rwlocktype_read,
|
||||
+ true, add_zone_tolist, dctx);
|
||||
return (result);
|
||||
}
|
||||
|
||||
@@ -11367,7 +11367,8 @@ ns_server_sync(ns_server_t *server, isc_lex_t *lex, isc_buffer_t **text) {
|
||||
for (view = ISC_LIST_HEAD(server->viewlist);
|
||||
view != NULL;
|
||||
view = ISC_LIST_NEXT(view, link)) {
|
||||
- result = dns_zt_apply(view->zonetable, false,
|
||||
+ result = dns_zt_apply(view->zonetable,
|
||||
+ isc_rwlocktype_none, false,
|
||||
synczone, &cleanup);
|
||||
if (result != ISC_R_SUCCESS &&
|
||||
tresult == ISC_R_SUCCESS)
|
||||
diff --git a/bin/named/statschannel.c b/bin/named/statschannel.c
|
||||
index 12ab048469..9828df0f4e 100644
|
||||
--- a/bin/named/statschannel.c
|
||||
+++ b/bin/named/statschannel.c
|
||||
@@ -1833,8 +1833,8 @@ generatexml(ns_server_t *server, uint32_t flags,
|
||||
if ((flags & STATS_XML_ZONES) != 0) {
|
||||
TRY0(xmlTextWriterStartElement(writer,
|
||||
ISC_XMLCHAR "zones"));
|
||||
- result = dns_zt_apply(view->zonetable, true,
|
||||
- zone_xmlrender, writer);
|
||||
+ result = dns_zt_apply(view->zonetable, isc_rwlocktype_read,
|
||||
+ true, zone_xmlrender, writer);
|
||||
if (result != ISC_R_SUCCESS)
|
||||
goto error;
|
||||
TRY0(xmlTextWriterEndElement(writer)); /* /zones */
|
||||
@@ -2489,8 +2489,8 @@ generatejson(ns_server_t *server, size_t *msglen,
|
||||
CHECKMEM(za);
|
||||
|
||||
if ((flags & STATS_JSON_ZONES) != 0) {
|
||||
- result = dns_zt_apply(view->zonetable, true,
|
||||
- zone_jsonrender, za);
|
||||
+ result = dns_zt_apply(view->zonetable, isc_rwlocktype_read,
|
||||
+ true, zone_jsonrender, za);
|
||||
if (result != ISC_R_SUCCESS) {
|
||||
goto error;
|
||||
}
|
||||
diff --git a/lib/dns/include/dns/zt.h b/lib/dns/include/dns/zt.h
|
||||
index e658e5bb67..94212250da 100644
|
||||
--- a/lib/dns/include/dns/zt.h
|
||||
+++ b/lib/dns/include/dns/zt.h
|
||||
@@ -177,11 +177,11 @@ dns_zt_freezezones(dns_zt_t *zt, bool freeze);
|
||||
*/
|
||||
|
||||
isc_result_t
|
||||
-dns_zt_apply(dns_zt_t *zt, bool stop,
|
||||
+dns_zt_apply(dns_zt_t *zt, isc_rwlocktype_t lock, bool stop,
|
||||
isc_result_t (*action)(dns_zone_t *, void *), void *uap);
|
||||
|
||||
isc_result_t
|
||||
-dns_zt_apply2(dns_zt_t *zt, bool stop, isc_result_t *sub,
|
||||
+dns_zt_apply2(dns_zt_t *zt, isc_rwlocktype_t lock, bool stop, isc_result_t *sub,
|
||||
isc_result_t (*action)(dns_zone_t *, void *), void *uap);
|
||||
/*%<
|
||||
* Apply a given 'action' to all zone zones in the table.
|
||||
diff --git a/lib/dns/tests/zt_test.c b/lib/dns/tests/zt_test.c
|
||||
index 3f1e812d60..ee75303a50 100644
|
||||
--- a/lib/dns/tests/zt_test.c
|
||||
+++ b/lib/dns/tests/zt_test.c
|
||||
@@ -145,7 +145,8 @@ apply(void **state) {
|
||||
assert_non_null(view->zonetable);
|
||||
|
||||
assert_int_equal(nzones, 0);
|
||||
- result = dns_zt_apply(view->zonetable, false, count_zone, &nzones);
|
||||
+ result = dns_zt_apply2(view->zonetable, isc_rwlocktype_read, false, NULL,
|
||||
+ count_zone, &nzones);
|
||||
assert_int_equal(result, ISC_R_SUCCESS);
|
||||
assert_int_equal(nzones, 1);
|
||||
|
||||
diff --git a/lib/dns/view.c b/lib/dns/view.c
|
||||
index f01b4dea0f..bd1ced2863 100644
|
||||
--- a/lib/dns/view.c
|
||||
+++ b/lib/dns/view.c
|
||||
@@ -676,7 +676,8 @@ dns_view_dialup(dns_view_t *view) {
|
||||
REQUIRE(DNS_VIEW_VALID(view));
|
||||
REQUIRE(view->zonetable != NULL);
|
||||
|
||||
- (void)dns_zt_apply(view->zonetable, false, dialup, NULL);
|
||||
+ (void)dns_zt_apply2(view->zonetable, isc_rwlocktype_read, false, NULL,
|
||||
+ dialup, NULL);
|
||||
}
|
||||
|
||||
void
|
||||
diff --git a/lib/dns/zt.c b/lib/dns/zt.c
|
||||
index 3f12e247e0..af65740325 100644
|
||||
--- a/lib/dns/zt.c
|
||||
+++ b/lib/dns/zt.c
|
||||
@@ -202,7 +202,8 @@ flush(dns_zone_t *zone, void *uap) {
|
||||
static void
|
||||
zt_destroy(dns_zt_t *zt) {
|
||||
if (zt->flush) {
|
||||
- (void)dns_zt_apply(zt, false, flush, NULL);
|
||||
+ (void)dns_zt_apply(zt, isc_rwlocktype_none,
|
||||
+ false, flush, NULL);
|
||||
}
|
||||
isc_refcount_destroy(&zt->references);
|
||||
dns_rbt_destroy(&zt->table);
|
||||
@@ -249,9 +250,7 @@ dns_zt_load(dns_zt_t *zt, bool stop) {
|
||||
|
||||
REQUIRE(VALID_ZT(zt));
|
||||
|
||||
- RWLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
- result = dns_zt_apply(zt, stop, load, NULL);
|
||||
- RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
+ result = dns_zt_apply2(zt, isc_rwlocktype_read, stop, NULL, load, NULL);
|
||||
return (result);
|
||||
}
|
||||
|
||||
@@ -293,7 +292,7 @@ dns_zt_asyncload2(dns_zt_t *zt, dns_zt_allloaded_t alldone, void *arg,
|
||||
* Prevent loads_pending going to zero while kicking off the loads.
|
||||
*/
|
||||
zt->loads_pending++;
|
||||
- result = dns_zt_apply2(zt, false, NULL, asyncload, ¶ms);
|
||||
+ result = dns_zt_apply2(zt, isc_rwlocktype_none, false, NULL, asyncload, ¶ms);
|
||||
pending = --zt->loads_pending;
|
||||
if (pending != 0) {
|
||||
zt->loaddone = alldone;
|
||||
@@ -342,9 +341,7 @@ dns_zt_loadnew(dns_zt_t *zt, bool stop) {
|
||||
|
||||
REQUIRE(VALID_ZT(zt));
|
||||
|
||||
- RWLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
- result = dns_zt_apply(zt, stop, loadnew, NULL);
|
||||
- RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
+ result = dns_zt_apply(zt, isc_rwlocktype_read, stop, loadnew, NULL);
|
||||
return (result);
|
||||
}
|
||||
|
||||
@@ -366,9 +363,7 @@ dns_zt_freezezones(dns_zt_t *zt, bool freeze) {
|
||||
|
||||
REQUIRE(VALID_ZT(zt));
|
||||
|
||||
- RWLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
- result = dns_zt_apply2(zt, false, &tresult, freezezones, &freeze);
|
||||
- RWUNLOCK(&zt->rwlock, isc_rwlocktype_read);
|
||||
+ result = dns_zt_apply2(zt, isc_rwlocktype_read, false, &tresult, freezezones, &freeze);
|
||||
if (tresult == ISC_R_NOTFOUND)
|
||||
tresult = ISC_R_SUCCESS;
|
||||
return ((result == ISC_R_SUCCESS) ? tresult : result);
|
||||
@@ -490,14 +485,14 @@ dns_zt_setviewrevert(dns_zt_t *zt) {
|
||||
}
|
||||
|
||||
isc_result_t
|
||||
-dns_zt_apply(dns_zt_t *zt, bool stop,
|
||||
+dns_zt_apply(dns_zt_t *zt, isc_rwlocktype_t lock, bool stop,
|
||||
isc_result_t (*action)(dns_zone_t *, void *), void *uap)
|
||||
{
|
||||
- return (dns_zt_apply2(zt, stop, NULL, action, uap));
|
||||
+ return (dns_zt_apply2(zt, lock, stop, NULL, action, uap));
|
||||
}
|
||||
|
||||
isc_result_t
|
||||
-dns_zt_apply2(dns_zt_t *zt, bool stop, isc_result_t *sub,
|
||||
+dns_zt_apply2(dns_zt_t *zt, isc_rwlocktype_t lock, bool stop, isc_result_t *sub,
|
||||
isc_result_t (*action)(dns_zone_t *, void *), void *uap)
|
||||
{
|
||||
dns_rbtnode_t *node;
|
||||
@@ -508,6 +503,10 @@ dns_zt_apply2(dns_zt_t *zt, bool stop, isc_result_t *sub,
|
||||
REQUIRE(VALID_ZT(zt));
|
||||
REQUIRE(action != NULL);
|
||||
|
||||
+ if (lock != isc_rwlocktype_none) {
|
||||
+ RWLOCK(&zt->rwlock, lock);
|
||||
+ }
|
||||
+
|
||||
dns_rbtnodechain_init(&chain, zt->mctx);
|
||||
result = dns_rbtnodechain_first(&chain, zt->table, NULL, NULL);
|
||||
if (result == ISC_R_NOTFOUND) {
|
||||
@@ -538,8 +537,13 @@ dns_zt_apply2(dns_zt_t *zt, bool stop, isc_result_t *sub,
|
||||
|
||||
cleanup:
|
||||
dns_rbtnodechain_invalidate(&chain);
|
||||
- if (sub != NULL)
|
||||
+ if (sub != NULL) {
|
||||
*sub = tresult;
|
||||
+ }
|
||||
+
|
||||
+ if (lock != isc_rwlocktype_none) {
|
||||
+ RWUNLOCK(&zt->rwlock, lock);
|
||||
+ }
|
||||
|
||||
return (result);
|
||||
}
|
||||
--
|
||||
2.37.2
|
||||
|
||||
@ -1,26 +0,0 @@
|
||||
From c8f5b31f0637315c1c45d0287f05fcad2250f40f Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Thu, 13 Oct 2022 15:35:46 +0200
|
||||
Subject: [PATCH] Add include to rwlocktype_t to dns/zt.h
|
||||
|
||||
It got broken as part of bug #2101712 fix. Introduced new definition,
|
||||
which passes during bind build, but breaks bind-dyndb-ldap build.
|
||||
---
|
||||
lib/dns/include/dns/zt.h | 1 +
|
||||
1 file changed, 1 insertion(+)
|
||||
|
||||
diff --git a/lib/dns/include/dns/zt.h b/lib/dns/include/dns/zt.h
|
||||
index 9421225..64c24d6 100644
|
||||
--- a/lib/dns/include/dns/zt.h
|
||||
+++ b/lib/dns/include/dns/zt.h
|
||||
@@ -18,6 +18,7 @@
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <isc/lang.h>
|
||||
+#include <isc/rwlock.h>
|
||||
|
||||
#include <dns/types.h>
|
||||
|
||||
--
|
||||
2.37.3
|
||||
|
||||
@ -1,65 +0,0 @@
|
||||
From 8a7bff93037432fcfe8532752e89f150ea3030a4 Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Mon, 9 Oct 2023 19:00:12 +0200
|
||||
Subject: [PATCH] Do not keep stale records by default
|
||||
|
||||
By default set max-stale-ttl to 0, unless stale-answer-enable yes. This
|
||||
were enabled by mistake when backporting fix for CVE-2023-2828. It
|
||||
causes increased cache usage on servers not wanting to serve stale
|
||||
records. Fix that by setting smart defaults based on stale answers
|
||||
enabled with possible manual tuning.
|
||||
---
|
||||
bin/named/server.c | 25 +++++++++++++++++++------
|
||||
1 file changed, 19 insertions(+), 6 deletions(-)
|
||||
|
||||
diff --git a/bin/named/server.c b/bin/named/server.c
|
||||
index 7af90d0..afdc4fa 100644
|
||||
--- a/bin/named/server.c
|
||||
+++ b/bin/named/server.c
|
||||
@@ -3295,7 +3295,7 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist,
|
||||
size_t max_acache_size;
|
||||
size_t max_adb_size;
|
||||
uint32_t lame_ttl, fail_ttl;
|
||||
- uint32_t max_stale_ttl;
|
||||
+ uint32_t max_stale_ttl = 0;
|
||||
dns_tsig_keyring_t *ring = NULL;
|
||||
dns_view_t *pview = NULL; /* Production view */
|
||||
isc_mem_t *cmctx = NULL, *hmctx = NULL;
|
||||
@@ -3739,16 +3739,29 @@ configure_view(dns_view_t *view, dns_viewlist_t *viewlist,
|
||||
if (view->maxncachettl > 7 * 24 * 3600)
|
||||
view->maxncachettl = 7 * 24 * 3600;
|
||||
|
||||
- obj = NULL;
|
||||
- result = ns_config_get(maps, "max-stale-ttl", &obj);
|
||||
- INSIST(result == ISC_R_SUCCESS);
|
||||
- max_stale_ttl = cfg_obj_asuint32(obj);
|
||||
-
|
||||
obj = NULL;
|
||||
result = ns_config_get(maps, "stale-answer-enable", &obj);
|
||||
INSIST(result == ISC_R_SUCCESS);
|
||||
view->staleanswersenable = cfg_obj_asboolean(obj);
|
||||
|
||||
+ // RHEL-11785 -- set the stale-ttl to non-zero value only if enabled
|
||||
+ obj = NULL;
|
||||
+ if (view->staleanswersenable) {
|
||||
+ result = ns_config_get(maps, "max-stale-ttl", &obj);
|
||||
+ INSIST(result == ISC_R_SUCCESS);
|
||||
+ max_stale_ttl = cfg_obj_asuint32(obj);
|
||||
+ /*
|
||||
+ * If 'stale-answer-enable' is false, max_stale_ttl is set
|
||||
+ * to 0, meaning keeping stale RRsets in cache is disabled.
|
||||
+ */
|
||||
+ } else {
|
||||
+ /* Do not use default value if stale is disabled,
|
||||
+ * but allow manual overriding, like 'stale-cache-enable' */
|
||||
+ result = ns_config_get(optionmaps, "max-stale-ttl", &obj);
|
||||
+ if (result == ISC_R_SUCCESS)
|
||||
+ max_stale_ttl = cfg_obj_asuint32(obj);
|
||||
+ }
|
||||
+
|
||||
result = dns_viewlist_find(&ns_g_server->viewlist, view->name,
|
||||
view->rdclass, &pview);
|
||||
if (result == ISC_R_SUCCESS) {
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -1,240 +0,0 @@
|
||||
From 128b3b676eb9413b4d25fb29c560895cfbbfa92e Mon Sep 17 00:00:00 2001
|
||||
From: Evan Hunt <each@isc.org>
|
||||
Date: Thu, 1 Sep 2022 16:05:04 -0700
|
||||
Subject: [PATCH] add an update quota
|
||||
|
||||
limit the number of simultaneous DNS UPDATE events that can be
|
||||
processed by adding a quota for update and update forwarding.
|
||||
this quota currently, arbitrarily, defaults to 100.
|
||||
|
||||
also add a statistics counter to record when the update quota
|
||||
has been exceeded.
|
||||
|
||||
(cherry picked from commit 7c47254a140c3e9cf383cda73c7b6a55c4782826)
|
||||
---
|
||||
bin/named/bind9.xsl | 2 +-
|
||||
bin/named/bind9.xsl.h | 8 +++++++-
|
||||
bin/named/include/named/server.h | 7 ++++++-
|
||||
bin/named/server.c | 3 +++
|
||||
bin/named/statschannel.c | 5 +++--
|
||||
bin/named/update.c | 34 +++++++++++++++++++++++++++++++-
|
||||
doc/arm/Bv9ARM-book.xml | 15 ++++++++++++++
|
||||
7 files changed, 68 insertions(+), 6 deletions(-)
|
||||
|
||||
diff --git a/bin/named/bind9.xsl b/bin/named/bind9.xsl
|
||||
index 9a1c6ff..85fd4c4 100644
|
||||
--- a/bin/named/bind9.xsl
|
||||
+++ b/bin/named/bind9.xsl
|
||||
@@ -12,7 +12,7 @@
|
||||
|
||||
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" version="1.0">
|
||||
<xsl:output method="html" indent="yes" version="4.0"/>
|
||||
- <xsl:template match="statistics[@version="3.8"]">
|
||||
+ <xsl:template match="statistics[@version="3.8.1"]">
|
||||
<html>
|
||||
<head>
|
||||
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
|
||||
diff --git a/bin/named/bind9.xsl.h b/bin/named/bind9.xsl.h
|
||||
index 9ce8cd7..5e0a892 100644
|
||||
--- a/bin/named/bind9.xsl.h
|
||||
+++ b/bin/named/bind9.xsl.h
|
||||
@@ -17,7 +17,13 @@ static char xslmsg[] =
|
||||
"\n"
|
||||
"<xsl:stylesheet xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns=\"http://www.w3.org/1999/xhtml\" version=\"1.0\">\n"
|
||||
" <xsl:output method=\"html\" indent=\"yes\" version=\"4.0\"/>\n"
|
||||
- " <xsl:template match=\"statistics[@version="3.8"]\">\n"
|
||||
+#if 0
|
||||
+ " <!-- the version number **below** must match version in "
|
||||
+ "bin/named/statschannel.c -->\n"
|
||||
+ " <!-- don't forget to update \"/xml/v<STATS_XML_VERSION_MAJOR>\" in "
|
||||
+ "the HTTP endpoints listed below -->\n"
|
||||
+#endif
|
||||
+ " <xsl:template match=\"statistics[@version="3.8.1"]\">\n"
|
||||
" <html>\n"
|
||||
" <head>\n"
|
||||
" <script type=\"text/javascript\" src=\"https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js\"></script>\n"
|
||||
diff --git a/bin/named/include/named/server.h b/bin/named/include/named/server.h
|
||||
index 08a02dc..259acc7 100644
|
||||
--- a/bin/named/include/named/server.h
|
||||
+++ b/bin/named/include/named/server.h
|
||||
@@ -137,6 +137,9 @@ struct ns_server {
|
||||
|
||||
uint16_t transfer_tcp_message_size;
|
||||
isc_rng_t * rngctx;
|
||||
+
|
||||
+/* CVE-2022-3094 */
|
||||
+ isc_quota_t updquota;
|
||||
};
|
||||
|
||||
struct ns_altsecret {
|
||||
@@ -230,7 +233,9 @@ enum {
|
||||
dns_nsstatscounter_trystale = 59,
|
||||
dns_nsstatscounter_usedstale = 60,
|
||||
|
||||
- dns_nsstatscounter_max = 61
|
||||
+ dns_nsstatscounter_updatequota = 61,
|
||||
+
|
||||
+ dns_nsstatscounter_max = 62
|
||||
};
|
||||
|
||||
/*%
|
||||
diff --git a/bin/named/server.c b/bin/named/server.c
|
||||
index 2d2fa0e..f09b895 100644
|
||||
--- a/bin/named/server.c
|
||||
+++ b/bin/named/server.c
|
||||
@@ -9143,6 +9143,8 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) {
|
||||
RUNTIME_CHECK(result == ISC_R_SUCCESS);
|
||||
result = isc_quota_init(&server->recursionquota, 100);
|
||||
RUNTIME_CHECK(result == ISC_R_SUCCESS);
|
||||
+ result = isc_quota_init(&server->updquota, 100);
|
||||
+ RUNTIME_CHECK(result == ISC_R_SUCCESS);
|
||||
|
||||
result = dns_aclenv_init(mctx, &server->aclenv);
|
||||
RUNTIME_CHECK(result == ISC_R_SUCCESS);
|
||||
@@ -9410,6 +9412,7 @@ ns_server_destroy(ns_server_t **serverp) {
|
||||
|
||||
dns_aclenv_destroy(&server->aclenv);
|
||||
|
||||
+ isc_quota_destroy(&server->updquota);
|
||||
isc_quota_destroy(&server->recursionquota);
|
||||
isc_quota_destroy(&server->tcpquota);
|
||||
isc_quota_destroy(&server->xfroutquota);
|
||||
diff --git a/bin/named/statschannel.c b/bin/named/statschannel.c
|
||||
index 56a9c21..1e8723c 100644
|
||||
--- a/bin/named/statschannel.c
|
||||
+++ b/bin/named/statschannel.c
|
||||
@@ -300,6 +300,7 @@ init_desc(void) {
|
||||
SET_NSSTATDESC(reclimitdropped,
|
||||
"queries dropped due to recursive client limit",
|
||||
"RecLimitDropped");
|
||||
+ SET_NSSTATDESC(updatequota, "Update quota exceeded", "UpdateQuota");
|
||||
SET_NSSTATDESC(trystale,
|
||||
"attempts to use stale cache data after lookup failure",
|
||||
"QryTryStale");
|
||||
@@ -1546,7 +1547,7 @@ generatexml(ns_server_t *server, uint32_t flags,
|
||||
ISC_XMLCHAR "type=\"text/xsl\" href=\"/bind9.xsl\""));
|
||||
TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "statistics"));
|
||||
TRY0(xmlTextWriterWriteAttribute(writer, ISC_XMLCHAR "version",
|
||||
- ISC_XMLCHAR "3.8"));
|
||||
+ ISC_XMLCHAR "3.8.1"));
|
||||
|
||||
/* Set common fields for statistics dump */
|
||||
dumparg.type = isc_statsformat_xml;
|
||||
@@ -2303,7 +2304,7 @@ generatejson(ns_server_t *server, size_t *msglen,
|
||||
/*
|
||||
* These statistics are included no matter which URL we use.
|
||||
*/
|
||||
- obj = json_object_new_string("1.2");
|
||||
+ obj = json_object_new_string("1.2.1");
|
||||
CHECKMEM(obj);
|
||||
json_object_object_add(bindstats, "json-stats-version", obj);
|
||||
|
||||
diff --git a/bin/named/update.c b/bin/named/update.c
|
||||
index 6ad7d27..dccc543 100644
|
||||
--- a/bin/named/update.c
|
||||
+++ b/bin/named/update.c
|
||||
@@ -1526,6 +1526,17 @@ send_update_event(ns_client_t *client, dns_zone_t *zone) {
|
||||
isc_task_t *zonetask = NULL;
|
||||
ns_client_t *evclient;
|
||||
|
||||
+ result = isc_quota_attach(&ns_g_server->updquota,
|
||||
+ &(isc_quota_t *){ NULL });
|
||||
+ if (result != ISC_R_SUCCESS) {
|
||||
+ update_log(client, zone, LOGLEVEL_PROTOCOL,
|
||||
+ "update failed: too many DNS UPDATEs queued (%s)",
|
||||
+ isc_result_totext(result));
|
||||
+ isc_stats_increment(ns_g_server->nsstats,
|
||||
+ dns_nsstatscounter_updatequota);
|
||||
+ CHECK(DNS_R_DROP);
|
||||
+ }
|
||||
+
|
||||
event = (update_event_t *)
|
||||
isc_event_allocate(client->mctx, client, DNS_EVENT_UPDATE,
|
||||
update_action, NULL, sizeof(*event));
|
||||
@@ -1652,7 +1663,12 @@ ns_update_start(ns_client_t *client, isc_result_t sigresult) {
|
||||
* We are still in the client task context, so we can
|
||||
* simply give an error response without switching tasks.
|
||||
*/
|
||||
- respond(client, result);
|
||||
+ if (result == DNS_R_DROP) {
|
||||
+ ns_client_next(client, result);
|
||||
+ } else {
|
||||
+ respond(client, result);
|
||||
+ }
|
||||
+
|
||||
if (zone != NULL)
|
||||
dns_zone_detach(&zone);
|
||||
}
|
||||
@@ -3385,6 +3401,7 @@ updatedone_action(isc_task_t *task, isc_event_t *event) {
|
||||
dns_zone_detach(&uev->zone);
|
||||
client->nupdates--;
|
||||
respond(client, uev->result);
|
||||
+ isc_quota_detach(&(isc_quota_t *){ &ns_g_server->updquota });
|
||||
isc_event_free(&event);
|
||||
ns_client_detach(&client);
|
||||
}
|
||||
@@ -3402,6 +3419,8 @@ forward_fail(isc_task_t *task, isc_event_t *event) {
|
||||
INSIST(client->nupdates > 0);
|
||||
client->nupdates--;
|
||||
respond(client, DNS_R_SERVFAIL);
|
||||
+
|
||||
+ isc_quota_detach(&(isc_quota_t *){ &ns_g_server->updquota });
|
||||
isc_event_free(&event);
|
||||
ns_client_detach(&client);
|
||||
}
|
||||
@@ -3439,6 +3458,8 @@ forward_done(isc_task_t *task, isc_event_t *event) {
|
||||
client->nupdates--;
|
||||
ns_client_sendraw(client, uev->answer);
|
||||
dns_message_detach(&uev->answer);
|
||||
+
|
||||
+ isc_quota_detach(&(isc_quota_t *){ &ns_g_server->updquota });
|
||||
isc_event_free(&event);
|
||||
ns_client_detach(&client);
|
||||
}
|
||||
@@ -3472,6 +3493,17 @@ send_forward_event(ns_client_t *client, dns_zone_t *zone) {
|
||||
isc_task_t *zonetask = NULL;
|
||||
ns_client_t *evclient;
|
||||
|
||||
+ result = isc_quota_attach(&ns_g_server->updquota,
|
||||
+ &(isc_quota_t *){ NULL });
|
||||
+ if (result != ISC_R_SUCCESS) {
|
||||
+ update_log(client, zone, LOGLEVEL_PROTOCOL,
|
||||
+ "update failed: too many DNS UPDATEs queued (%s)",
|
||||
+ isc_result_totext(result));
|
||||
+ isc_stats_increment(ns_g_server->nsstats,
|
||||
+ dns_nsstatscounter_updatequota);
|
||||
+ return (DNS_R_DROP);
|
||||
+ }
|
||||
+
|
||||
/*
|
||||
* This may take some time so replace this client.
|
||||
*/
|
||||
diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
|
||||
index c17f168..9aca6d7 100644
|
||||
--- a/doc/arm/Bv9ARM-book.xml
|
||||
+++ b/doc/arm/Bv9ARM-book.xml
|
||||
@@ -15105,6 +15105,21 @@ HOST-127.EXAMPLE. MX 0 .
|
||||
</para>
|
||||
</entry>
|
||||
</row>
|
||||
+ <row rowsep="0">
|
||||
+ <entry colname="1">
|
||||
+ <para><command>UpdateQuota</command></para>
|
||||
+ </entry>
|
||||
+ <entry colname="2">
|
||||
+ <para><command/></para>
|
||||
+ </entry>
|
||||
+ <entry colname="3">
|
||||
+ <para>
|
||||
+ This indicates the number of times a dynamic update or update
|
||||
+ forwarding request was rejected because the number of pending
|
||||
+ requests exceeded the update quota.
|
||||
+ </para>
|
||||
+ </entry>
|
||||
+ </row>
|
||||
<row rowsep="0">
|
||||
<entry colname="1">
|
||||
<para><command>RateDropped</command></para>
|
||||
--
|
||||
2.39.2
|
||||
|
||||
@ -1,136 +0,0 @@
|
||||
From d9a03233c6ea11f20c2fbeca87b763673859f8b2 Mon Sep 17 00:00:00 2001
|
||||
From: Evan Hunt <each@isc.org>
|
||||
Date: Thu, 1 Sep 2022 16:22:46 -0700
|
||||
Subject: [PATCH] add a configuration option for the update quota
|
||||
|
||||
add an "update-quota" option to configure the update quota.
|
||||
|
||||
(cherry picked from commit f57758a7303ad0034ff2ff08eaaf2ef899630f19)
|
||||
---
|
||||
bin/named/config.c | 1 +
|
||||
bin/named/named.conf.docbook | 2 ++
|
||||
bin/named/server.c | 1 +
|
||||
bin/tests/system/checkconf/good.conf | 1 +
|
||||
doc/arm/Bv9ARM-book.xml | 11 +++++++++++
|
||||
doc/arm/options.grammar.xml | 1 +
|
||||
doc/misc/options | 1 +
|
||||
lib/isccfg/namedconf.c | 1 +
|
||||
8 files changed, 19 insertions(+)
|
||||
|
||||
diff --git a/bin/named/config.c b/bin/named/config.c
|
||||
index 62d1e88..e3731cf 100644
|
||||
--- a/bin/named/config.c
|
||||
+++ b/bin/named/config.c
|
||||
@@ -134,6 +134,7 @@ options {\n\
|
||||
transfers-per-ns 2;\n\
|
||||
# treat-cr-as-space <obsolete>;\n\
|
||||
trust-anchor-telemetry yes;\n\
|
||||
+ update-quota 100;\n\
|
||||
# use-id-pool <obsolete>;\n\
|
||||
# use-ixfr <obsolete>;\n\
|
||||
\n\
|
||||
diff --git a/bin/named/named.conf.docbook b/bin/named/named.conf.docbook
|
||||
index 6565fce..5842cb5 100644
|
||||
--- a/bin/named/named.conf.docbook
|
||||
+++ b/bin/named/named.conf.docbook
|
||||
@@ -455,6 +455,7 @@ options {
|
||||
trust-anchor-telemetry <replaceable>boolean</replaceable>; // experimental
|
||||
try-tcp-refresh <replaceable>boolean</replaceable>;
|
||||
update-check-ksk <replaceable>boolean</replaceable>;
|
||||
+ update-quota <replaceable>integer</replaceable>;
|
||||
use-alt-transfer-source <replaceable>boolean</replaceable>;
|
||||
use-v4-udp-ports { <replaceable>portrange</replaceable>; ... };
|
||||
use-v6-udp-ports { <replaceable>portrange</replaceable>; ... };
|
||||
@@ -864,6 +865,7 @@ view <replaceable>string</replaceable> [ <replaceable>class</replaceable> ] {
|
||||
type ( delegation-only | forward | hint | master | redirect
|
||||
| slave | static-stub | stub );
|
||||
update-check-ksk <replaceable>boolean</replaceable>;
|
||||
+ update-quota <replaceable>integer</replaceable>;
|
||||
update-policy ( local | { ( deny | grant ) <replaceable>string</replaceable> (
|
||||
6to4-self | external | krb5-self | krb5-selfsub |
|
||||
krb5-subdomain | ms-self | ms-selfsub | ms-subdomain |
|
||||
diff --git a/bin/named/server.c b/bin/named/server.c
|
||||
index f09b895..7af90d0 100644
|
||||
--- a/bin/named/server.c
|
||||
+++ b/bin/named/server.c
|
||||
@@ -7792,6 +7792,7 @@ load_configuration(const char *filename, ns_server_t *server,
|
||||
configure_server_quota(maps, "tcp-clients", &server->tcpquota);
|
||||
configure_server_quota(maps, "recursive-clients",
|
||||
&server->recursionquota);
|
||||
+ configure_server_quota(maps, "update-quota", &server->updquota);
|
||||
|
||||
if (server->recursionquota.max > 1000) {
|
||||
int margin = ISC_MAX(100, ns_g_cpus + 1);
|
||||
diff --git a/bin/tests/system/checkconf/good.conf b/bin/tests/system/checkconf/good.conf
|
||||
index 1359cf3..5d9b292 100644
|
||||
--- a/bin/tests/system/checkconf/good.conf
|
||||
+++ b/bin/tests/system/checkconf/good.conf
|
||||
@@ -63,6 +63,7 @@ options {
|
||||
serial-queries 10;
|
||||
serial-query-rate 100;
|
||||
server-id none;
|
||||
+ update-quota 200;
|
||||
max-cache-size 20000000000000;
|
||||
nta-lifetime 604800;
|
||||
nta-recheck 604800;
|
||||
diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
|
||||
index 9aca6d7..acf772b 100644
|
||||
--- a/doc/arm/Bv9ARM-book.xml
|
||||
+++ b/doc/arm/Bv9ARM-book.xml
|
||||
@@ -8599,6 +8599,17 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
+ <varlistentry>
|
||||
+ <term><command>update-quota</command></term>
|
||||
+ <listitem>
|
||||
+ <para>
|
||||
+ This is the maximum number of simultaneous DNS UPDATE messages that
|
||||
+ the server will accept for updating local authoritiative zones or
|
||||
+ forwarding to a primary server. The default is <userinput>100</userinput>.
|
||||
+ </para>
|
||||
+ </listitem>
|
||||
+ </varlistentry>
|
||||
+
|
||||
</variablelist>
|
||||
|
||||
</section>
|
||||
diff --git a/doc/arm/options.grammar.xml b/doc/arm/options.grammar.xml
|
||||
index 793ac0b..1d17ea8 100644
|
||||
--- a/doc/arm/options.grammar.xml
|
||||
+++ b/doc/arm/options.grammar.xml
|
||||
@@ -277,6 +277,7 @@
|
||||
<command>trust-anchor-telemetry</command> <replaceable>boolean</replaceable>; // experimental
|
||||
<command>try-tcp-refresh</command> <replaceable>boolean</replaceable>;
|
||||
<command>update-check-ksk</command> <replaceable>boolean</replaceable>;
|
||||
+ <command>update-quota</command> <replaceable>integer</replaceable>;
|
||||
<command>use-alt-transfer-source</command> <replaceable>boolean</replaceable>;
|
||||
<command>use-v4-udp-ports</command> { <replaceable>portrange</replaceable>; ... };
|
||||
<command>use-v6-udp-ports</command> { <replaceable>portrange</replaceable>; ... };
|
||||
diff --git a/doc/misc/options b/doc/misc/options
|
||||
index fde93c7..e6d6ba6 100644
|
||||
--- a/doc/misc/options
|
||||
+++ b/doc/misc/options
|
||||
@@ -357,6 +357,7 @@ options {
|
||||
trust-anchor-telemetry <boolean>; // experimental
|
||||
try-tcp-refresh <boolean>;
|
||||
update-check-ksk <boolean>;
|
||||
+ update-quota <integer>;
|
||||
use-alt-transfer-source <boolean>;
|
||||
use-id-pool <boolean>; // obsolete
|
||||
use-ixfr <boolean>; // obsolete
|
||||
diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c
|
||||
index b562f95..667111c 100644
|
||||
--- a/lib/isccfg/namedconf.c
|
||||
+++ b/lib/isccfg/namedconf.c
|
||||
@@ -1136,6 +1136,7 @@ options_clauses[] = {
|
||||
{ "transfers-out", &cfg_type_uint32, 0 },
|
||||
{ "transfers-per-ns", &cfg_type_uint32, 0 },
|
||||
{ "treat-cr-as-space", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
|
||||
+ { "update-quota", &cfg_type_uint32, 0 },
|
||||
{ "use-id-pool", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
|
||||
{ "use-ixfr", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
|
||||
{ "use-v4-udp-ports", &cfg_type_bracketed_portlist, 0 },
|
||||
--
|
||||
2.39.2
|
||||
|
||||
@ -1,553 +0,0 @@
|
||||
From cba333b262b7ee0034a66cc93cf27f6c4918eea2 Mon Sep 17 00:00:00 2001
|
||||
From: Evan Hunt <each@isc.org>
|
||||
Date: Tue, 8 Nov 2022 17:32:41 -0800
|
||||
Subject: [PATCH] move update ACL and update-policy checks before quota
|
||||
|
||||
check allow-update, update-policy, and allow-update-forwarding before
|
||||
consuming quota slots, so that unauthorized clients can't fill the
|
||||
quota.
|
||||
|
||||
(this moves the access check before the prerequisite check, which
|
||||
violates the precise wording of RFC 2136. however, RFC co-author Paul
|
||||
Vixie has stated that the RFC is mistaken on this point; it should have
|
||||
said that access checking must happen *no later than* the completion of
|
||||
prerequisite checks, not that it must happen exactly then.)
|
||||
|
||||
(cherry picked from commit 964f559edb5036880b8e463b8f190b9007ee055d)
|
||||
---
|
||||
bin/named/update.c | 440 ++++++++++++++++++++++++++++++---------------
|
||||
1 file changed, 298 insertions(+), 142 deletions(-)
|
||||
|
||||
diff --git a/bin/named/update.c b/bin/named/update.c
|
||||
index 8853ee7..4d1fe78 100644
|
||||
--- a/bin/named/update.c
|
||||
+++ b/bin/named/update.c
|
||||
@@ -251,6 +251,9 @@ static void updatedone_action(isc_task_t *task, isc_event_t *event);
|
||||
static isc_result_t send_forward_event(ns_client_t *client, dns_zone_t *zone);
|
||||
static void forward_done(isc_task_t *task, isc_event_t *event);
|
||||
static isc_result_t add_rr_prepare_action(void *data, rr_t *rr);
|
||||
+static isc_result_t
|
||||
+rr_exists(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
|
||||
+ const dns_rdata_t *rdata, bool *flag);
|
||||
|
||||
/**************************************************************************/
|
||||
|
||||
@@ -328,23 +331,24 @@ checkqueryacl(ns_client_t *client, dns_acl_t *queryacl, dns_name_t *zonename,
|
||||
{
|
||||
char namebuf[DNS_NAME_FORMATSIZE];
|
||||
char classbuf[DNS_RDATACLASS_FORMATSIZE];
|
||||
- int level;
|
||||
isc_result_t result;
|
||||
+ bool update_possible =
|
||||
+ ((updateacl != NULL && !dns_acl_isnone(updateacl)) ||
|
||||
+ ssutable != NULL);
|
||||
|
||||
result = ns_client_checkaclsilent(client, NULL, queryacl, true);
|
||||
if (result != ISC_R_SUCCESS) {
|
||||
+ int level = update_possible ? ISC_LOG_ERROR : ISC_LOG_INFO;
|
||||
+
|
||||
dns_name_format(zonename, namebuf, sizeof(namebuf));
|
||||
dns_rdataclass_format(client->view->rdclass, classbuf,
|
||||
sizeof(classbuf));
|
||||
|
||||
- level = (updateacl == NULL && ssutable == NULL) ?
|
||||
- ISC_LOG_INFO : ISC_LOG_ERROR;
|
||||
-
|
||||
ns_client_log(client, NS_LOGCATEGORY_UPDATE_SECURITY,
|
||||
NS_LOGMODULE_UPDATE, level,
|
||||
"update '%s/%s' denied due to allow-query",
|
||||
namebuf, classbuf);
|
||||
- } else if (updateacl == NULL && ssutable == NULL) {
|
||||
+ } else if (!update_possible) {
|
||||
dns_name_format(zonename, namebuf, sizeof(namebuf));
|
||||
dns_rdataclass_format(client->view->rdclass, classbuf,
|
||||
sizeof(classbuf));
|
||||
@@ -1525,6 +1529,277 @@ send_update_event(ns_client_t *client, dns_zone_t *zone) {
|
||||
update_event_t *event = NULL;
|
||||
isc_task_t *zonetask = NULL;
|
||||
ns_client_t *evclient;
|
||||
+#if 1
|
||||
+ dns_ssutable_t *ssutable = NULL;
|
||||
+ dns_message_t *request = client->message;
|
||||
+ dns_rdataclass_t zoneclass;
|
||||
+ dns_rdatatype_t covers;
|
||||
+ dns_name_t *zonename = NULL;
|
||||
+ dns_db_t *db = NULL;
|
||||
+ dns_dbversion_t *ver = NULL;
|
||||
+
|
||||
+ CHECK(dns_zone_getdb(zone, &db));
|
||||
+ zonename = dns_db_origin(db);
|
||||
+ zoneclass = dns_db_class(db);
|
||||
+ dns_zone_getssutable(zone, &ssutable);
|
||||
+ dns_db_currentversion(db, &ver);
|
||||
+
|
||||
+ /*
|
||||
+ * Update message processing can leak record existence information
|
||||
+ * so check that we are allowed to query this zone. Additionally,
|
||||
+ * if we would refuse all updates for this zone, we bail out here.
|
||||
+ */
|
||||
+ CHECK(checkqueryacl(client, dns_zone_getqueryacl(zone),
|
||||
+ dns_zone_getorigin(zone),
|
||||
+ dns_zone_getupdateacl(zone), ssutable));
|
||||
+
|
||||
+ /*
|
||||
+ * Check requestor's permissions.
|
||||
+ */
|
||||
+ if (ssutable == NULL)
|
||||
+ CHECK(checkupdateacl(client, dns_zone_getupdateacl(zone),
|
||||
+ "update", zonename, false, false));
|
||||
+ else if (client->signer == NULL && !TCPCLIENT(client))
|
||||
+ CHECK(checkupdateacl(client, NULL, "update", zonename,
|
||||
+ false, true));
|
||||
+
|
||||
+ if (dns_zone_getupdatedisabled(zone))
|
||||
+ FAILC(DNS_R_REFUSED, "dynamic update temporarily disabled "
|
||||
+ "because the zone is frozen. Use "
|
||||
+ "'rndc thaw' to re-enable updates.");
|
||||
+
|
||||
+ /*
|
||||
+ * Perform the Update Section Prescan.
|
||||
+ */
|
||||
+
|
||||
+ for (result = dns_message_firstname(request, DNS_SECTION_UPDATE);
|
||||
+ result == ISC_R_SUCCESS;
|
||||
+ result = dns_message_nextname(request, DNS_SECTION_UPDATE))
|
||||
+ {
|
||||
+ dns_name_t *name = NULL;
|
||||
+ dns_rdata_t rdata = DNS_RDATA_INIT;
|
||||
+ dns_ttl_t ttl;
|
||||
+ dns_rdataclass_t update_class;
|
||||
+ get_current_rr(request, DNS_SECTION_UPDATE, zoneclass,
|
||||
+ &name, &rdata, &covers, &ttl, &update_class);
|
||||
+
|
||||
+ if (! dns_name_issubdomain(name, zonename))
|
||||
+ FAILC(DNS_R_NOTZONE,
|
||||
+ "update RR is outside zone");
|
||||
+ if (update_class == zoneclass) {
|
||||
+ /*
|
||||
+ * Check for meta-RRs. The RFC2136 pseudocode says
|
||||
+ * check for ANY|AXFR|MAILA|MAILB, but the text adds
|
||||
+ * "or any other QUERY metatype"
|
||||
+ */
|
||||
+ if (dns_rdatatype_ismeta(rdata.type)) {
|
||||
+ FAILC(DNS_R_FORMERR,
|
||||
+ "meta-RR in update");
|
||||
+ }
|
||||
+ result = dns_zone_checknames(zone, name, &rdata);
|
||||
+ if (result != ISC_R_SUCCESS)
|
||||
+ FAIL(DNS_R_REFUSED);
|
||||
+ } else if (update_class == dns_rdataclass_any) {
|
||||
+ if (ttl != 0 || rdata.length != 0 ||
|
||||
+ (dns_rdatatype_ismeta(rdata.type) &&
|
||||
+ rdata.type != dns_rdatatype_any))
|
||||
+ FAILC(DNS_R_FORMERR,
|
||||
+ "meta-RR in update");
|
||||
+ } else if (update_class == dns_rdataclass_none) {
|
||||
+ if (ttl != 0 ||
|
||||
+ dns_rdatatype_ismeta(rdata.type))
|
||||
+ FAILC(DNS_R_FORMERR,
|
||||
+ "meta-RR in update");
|
||||
+ } else {
|
||||
+ update_log(client, zone, ISC_LOG_WARNING,
|
||||
+ "update RR has incorrect class %d",
|
||||
+ update_class);
|
||||
+ FAIL(DNS_R_FORMERR);
|
||||
+ }
|
||||
+
|
||||
+ /*
|
||||
+ * draft-ietf-dnsind-simple-secure-update-01 says
|
||||
+ * "Unlike traditional dynamic update, the client
|
||||
+ * is forbidden from updating NSEC records."
|
||||
+ */
|
||||
+ if (rdata.type == dns_rdatatype_nsec3) {
|
||||
+ FAILC(DNS_R_REFUSED,
|
||||
+ "explicit NSEC3 updates are not allowed "
|
||||
+ "in secure zones");
|
||||
+ } else if (rdata.type == dns_rdatatype_nsec) {
|
||||
+ FAILC(DNS_R_REFUSED,
|
||||
+ "explicit NSEC updates are not allowed "
|
||||
+ "in secure zones");
|
||||
+ } else if (rdata.type == dns_rdatatype_rrsig &&
|
||||
+ !dns_name_equal(name, zonename)) {
|
||||
+ FAILC(DNS_R_REFUSED,
|
||||
+ "explicit RRSIG updates are currently "
|
||||
+ "not supported in secure zones except "
|
||||
+ "at the apex");
|
||||
+ }
|
||||
+
|
||||
+ if (ssutable != NULL) {
|
||||
+ isc_netaddr_t netaddr;
|
||||
+ dst_key_t *tsigkey = NULL;
|
||||
+ isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr);
|
||||
+
|
||||
+ if (client->message->tsigkey != NULL)
|
||||
+ tsigkey = client->message->tsigkey->key;
|
||||
+
|
||||
+ if (rdata.type != dns_rdatatype_any) {
|
||||
+ if (!dns_ssutable_checkrules2
|
||||
+ (ssutable, client->signer, name, &netaddr,
|
||||
+ TCPCLIENT(client),
|
||||
+ &ns_g_server->aclenv,
|
||||
+ rdata.type, tsigkey))
|
||||
+ {
|
||||
+ FAILC(DNS_R_REFUSED,
|
||||
+ "rejected by secure update");
|
||||
+ }
|
||||
+ } else {
|
||||
+ if (!ssu_checkall(db, ver, name, ssutable,
|
||||
+ client->signer,
|
||||
+ &netaddr,
|
||||
+ TCPCLIENT(client),
|
||||
+ tsigkey))
|
||||
+ {
|
||||
+ FAILC(DNS_R_REFUSED,
|
||||
+ "rejected by secure update");
|
||||
+ }
|
||||
+ }
|
||||
+ }
|
||||
+ }
|
||||
+ if (result != ISC_R_NOMORE)
|
||||
+ FAIL(result);
|
||||
+
|
||||
+ update_log(client, zone, LOGLEVEL_DEBUG,
|
||||
+ "update section prescan OK");
|
||||
+#if 0
|
||||
+ if (ssutable == NULL) {
|
||||
+ CHECK(checkupdateacl(client, dns_zone_getupdateacl(zone),
|
||||
+ // zonename
|
||||
+ "update", dns_zone_getorigin(zone), false,
|
||||
+ false));
|
||||
+ } else if (client->signer == NULL && !TCPCLIENT(client)) {
|
||||
+ CHECK(checkupdateacl(client, NULL, "update",
|
||||
+ dns_zone_getorigin(zone), false, true));
|
||||
+ }
|
||||
+
|
||||
+ if (dns_zone_getupdatedisabled(zone)) {
|
||||
+ FAILC(DNS_R_REFUSED, "dynamic update temporarily disabled "
|
||||
+ "because the zone is frozen. Use "
|
||||
+ "'rndc thaw' to re-enable updates.");
|
||||
+ }
|
||||
+
|
||||
+ /*
|
||||
+ * Prescan the update section, checking for updates that
|
||||
+ * are illegal or violate policy.
|
||||
+ */
|
||||
+ for (result = dns_message_firstname(request, DNS_SECTION_UPDATE);
|
||||
+ result == ISC_R_SUCCESS;
|
||||
+ result = dns_message_nextname(request, DNS_SECTION_UPDATE))
|
||||
+ {
|
||||
+ dns_name_t *name = NULL;
|
||||
+ dns_rdata_t rdata = DNS_RDATA_INIT;
|
||||
+ dns_ttl_t ttl;
|
||||
+ dns_rdataclass_t update_class;
|
||||
+
|
||||
+ get_current_rr(request, DNS_SECTION_UPDATE, zoneclass, &name,
|
||||
+ &rdata, &covers, &ttl, &update_class);
|
||||
+
|
||||
+ if (!dns_name_issubdomain(name, zonename)) {
|
||||
+ FAILC(DNS_R_NOTZONE, "update RR is outside zone");
|
||||
+ }
|
||||
+ if (update_class == zoneclass) {
|
||||
+ /*
|
||||
+ * Check for meta-RRs. The RFC2136 pseudocode says
|
||||
+ * check for ANY|AXFR|MAILA|MAILB, but the text adds
|
||||
+ * "or any other QUERY metatype"
|
||||
+ */
|
||||
+ if (dns_rdatatype_ismeta(rdata.type)) {
|
||||
+ FAILC(DNS_R_FORMERR, "meta-RR in update");
|
||||
+ }
|
||||
+ result = dns_zone_checknames(zone, name, &rdata);
|
||||
+ if (result != ISC_R_SUCCESS) {
|
||||
+ FAIL(DNS_R_REFUSED);
|
||||
+ }
|
||||
+ } else if (update_class == dns_rdataclass_any) {
|
||||
+ if (ttl != 0 || rdata.length != 0 ||
|
||||
+ (dns_rdatatype_ismeta(rdata.type) &&
|
||||
+ rdata.type != dns_rdatatype_any))
|
||||
+ {
|
||||
+ FAILC(DNS_R_FORMERR, "meta-RR in update");
|
||||
+ }
|
||||
+ } else if (update_class == dns_rdataclass_none) {
|
||||
+ if (ttl != 0 || dns_rdatatype_ismeta(rdata.type)) {
|
||||
+ FAILC(DNS_R_FORMERR, "meta-RR in update");
|
||||
+ }
|
||||
+ } else {
|
||||
+ update_log(client, zone, ISC_LOG_WARNING,
|
||||
+ "update RR has incorrect class %d",
|
||||
+ update_class);
|
||||
+ FAIL(DNS_R_FORMERR);
|
||||
+ }
|
||||
+
|
||||
+ /*
|
||||
+ * draft-ietf-dnsind-simple-secure-update-01 says
|
||||
+ * "Unlike traditional dynamic update, the client
|
||||
+ * is forbidden from updating NSEC records."
|
||||
+ */
|
||||
+ if (rdata.type == dns_rdatatype_nsec3) {
|
||||
+ FAILC(DNS_R_REFUSED, "explicit NSEC3 updates are not "
|
||||
+ "allowed "
|
||||
+ "in secure zones");
|
||||
+ } else if (rdata.type == dns_rdatatype_nsec) {
|
||||
+ FAILC(DNS_R_REFUSED, "explicit NSEC updates are not "
|
||||
+ "allowed "
|
||||
+ "in secure zones");
|
||||
+ } else if (rdata.type == dns_rdatatype_rrsig &&
|
||||
+ !dns_name_equal(name, zonename))
|
||||
+ {
|
||||
+ FAILC(DNS_R_REFUSED, "explicit RRSIG updates are "
|
||||
+ "currently "
|
||||
+ "not supported in secure zones "
|
||||
+ "except "
|
||||
+ "at the apex");
|
||||
+ }
|
||||
+
|
||||
+ if (ssutable != NULL) {
|
||||
+ isc_netaddr_t netaddr;
|
||||
+ dst_key_t *tsigkey = NULL;
|
||||
+ isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr);
|
||||
+
|
||||
+ if (client->message->tsigkey != NULL) {
|
||||
+ tsigkey = client->message->tsigkey->key;
|
||||
+ }
|
||||
+
|
||||
+ if (rdata.type != dns_rdatatype_any) {
|
||||
+ if (!dns_ssutable_checkrules(
|
||||
+ ssutable, client->signer, name,
|
||||
+ &netaddr, TCPCLIENT(client), env,
|
||||
+ rdata.type, tsigkey))
|
||||
+ {
|
||||
+ FAILC(DNS_R_REFUSED, "rejected by "
|
||||
+ "secure update");
|
||||
+ }
|
||||
+ } else {
|
||||
+ if (!ssu_checkall(db, ver, name, ssutable,
|
||||
+ client->signer, &netaddr, env,
|
||||
+ TCPCLIENT(client), tsigkey))
|
||||
+ {
|
||||
+ FAILC(DNS_R_REFUSED, "rejected by "
|
||||
+ "secure update");
|
||||
+ }
|
||||
+ }
|
||||
+ }
|
||||
+ }
|
||||
+ if (result != ISC_R_NOMORE) {
|
||||
+ FAIL(result);
|
||||
+ }
|
||||
+
|
||||
+ update_log(client, zone, LOGLEVEL_DEBUG, "update section prescan OK");
|
||||
+#endif
|
||||
+#endif
|
||||
|
||||
result = isc_quota_attach(&ns_g_server->updquota,
|
||||
&(isc_quota_t *){ NULL });
|
||||
@@ -1558,6 +1833,15 @@ send_update_event(ns_client_t *client, dns_zone_t *zone) {
|
||||
failure:
|
||||
if (event != NULL)
|
||||
isc_event_free(ISC_EVENT_PTR(&event));
|
||||
+ if (db != NULL) {
|
||||
+ dns_db_closeversion(db, &ver, false);
|
||||
+ dns_db_detach(&db);
|
||||
+ }
|
||||
+
|
||||
+ if (ssutable != NULL) {
|
||||
+ dns_ssutable_detach(&ssutable);
|
||||
+ }
|
||||
+
|
||||
return (result);
|
||||
}
|
||||
|
||||
@@ -1644,9 +1928,6 @@ ns_update_start(ns_client_t *client, isc_result_t sigresult) {
|
||||
CHECK(send_update_event(client, zone));
|
||||
break;
|
||||
case dns_zone_slave:
|
||||
- CHECK(checkupdateacl(client, dns_zone_getforwardacl(zone),
|
||||
- "update forwarding", zonename, true,
|
||||
- false));
|
||||
CHECK(send_forward_event(client, zone));
|
||||
break;
|
||||
default:
|
||||
@@ -1656,7 +1937,6 @@ ns_update_start(ns_client_t *client, isc_result_t sigresult) {
|
||||
|
||||
failure:
|
||||
if (result == DNS_R_REFUSED) {
|
||||
- INSIST(dns_zone_gettype(zone) == dns_zone_slave);
|
||||
inc_stats(zone, dns_nsstatscounter_updaterej);
|
||||
}
|
||||
/*
|
||||
@@ -2520,7 +2800,7 @@ update_action(isc_task_t *task, isc_event_t *event) {
|
||||
dns_rdatatype_t covers;
|
||||
dns_message_t *request = client->message;
|
||||
dns_rdataclass_t zoneclass;
|
||||
- dns_name_t *zonename;
|
||||
+ dns_name_t *zonename = NULL;
|
||||
dns_ssutable_t *ssutable = NULL;
|
||||
dns_fixedname_t tmpnamefixed;
|
||||
dns_name_t *tmpname = NULL;
|
||||
@@ -2542,14 +2822,7 @@ update_action(isc_task_t *task, isc_event_t *event) {
|
||||
zonename = dns_db_origin(db);
|
||||
zoneclass = dns_db_class(db);
|
||||
dns_zone_getssutable(zone, &ssutable);
|
||||
-
|
||||
- /*
|
||||
- * Update message processing can leak record existence information
|
||||
- * so check that we are allowed to query this zone. Additionally
|
||||
- * if we would refuse all updates for this zone we bail out here.
|
||||
- */
|
||||
- CHECK(checkqueryacl(client, dns_zone_getqueryacl(zone), zonename,
|
||||
- dns_zone_getupdateacl(zone), ssutable));
|
||||
+ options = dns_zone_getoptions(zone);
|
||||
|
||||
/*
|
||||
* Get old and new versions now that queryacl has been checked.
|
||||
@@ -2673,134 +2946,10 @@ update_action(isc_task_t *task, isc_event_t *event) {
|
||||
update_log(client, zone, LOGLEVEL_DEBUG,
|
||||
"prerequisites are OK");
|
||||
|
||||
- /*
|
||||
- * Check Requestor's Permissions. It seems a bit silly to do this
|
||||
- * only after prerequisite testing, but that is what RFC2136 says.
|
||||
- */
|
||||
- if (ssutable == NULL)
|
||||
- CHECK(checkupdateacl(client, dns_zone_getupdateacl(zone),
|
||||
- "update", zonename, false, false));
|
||||
- else if (client->signer == NULL && !TCPCLIENT(client))
|
||||
- CHECK(checkupdateacl(client, NULL, "update", zonename,
|
||||
- false, true));
|
||||
-
|
||||
- if (dns_zone_getupdatedisabled(zone))
|
||||
- FAILC(DNS_R_REFUSED, "dynamic update temporarily disabled "
|
||||
- "because the zone is frozen. Use "
|
||||
- "'rndc thaw' to re-enable updates.");
|
||||
-
|
||||
- /*
|
||||
- * Perform the Update Section Prescan.
|
||||
- */
|
||||
-
|
||||
- for (result = dns_message_firstname(request, DNS_SECTION_UPDATE);
|
||||
- result == ISC_R_SUCCESS;
|
||||
- result = dns_message_nextname(request, DNS_SECTION_UPDATE))
|
||||
- {
|
||||
- dns_name_t *name = NULL;
|
||||
- dns_rdata_t rdata = DNS_RDATA_INIT;
|
||||
- dns_ttl_t ttl;
|
||||
- dns_rdataclass_t update_class;
|
||||
- get_current_rr(request, DNS_SECTION_UPDATE, zoneclass,
|
||||
- &name, &rdata, &covers, &ttl, &update_class);
|
||||
-
|
||||
- if (! dns_name_issubdomain(name, zonename))
|
||||
- FAILC(DNS_R_NOTZONE,
|
||||
- "update RR is outside zone");
|
||||
- if (update_class == zoneclass) {
|
||||
- /*
|
||||
- * Check for meta-RRs. The RFC2136 pseudocode says
|
||||
- * check for ANY|AXFR|MAILA|MAILB, but the text adds
|
||||
- * "or any other QUERY metatype"
|
||||
- */
|
||||
- if (dns_rdatatype_ismeta(rdata.type)) {
|
||||
- FAILC(DNS_R_FORMERR,
|
||||
- "meta-RR in update");
|
||||
- }
|
||||
- result = dns_zone_checknames(zone, name, &rdata);
|
||||
- if (result != ISC_R_SUCCESS)
|
||||
- FAIL(DNS_R_REFUSED);
|
||||
- } else if (update_class == dns_rdataclass_any) {
|
||||
- if (ttl != 0 || rdata.length != 0 ||
|
||||
- (dns_rdatatype_ismeta(rdata.type) &&
|
||||
- rdata.type != dns_rdatatype_any))
|
||||
- FAILC(DNS_R_FORMERR,
|
||||
- "meta-RR in update");
|
||||
- } else if (update_class == dns_rdataclass_none) {
|
||||
- if (ttl != 0 ||
|
||||
- dns_rdatatype_ismeta(rdata.type))
|
||||
- FAILC(DNS_R_FORMERR,
|
||||
- "meta-RR in update");
|
||||
- } else {
|
||||
- update_log(client, zone, ISC_LOG_WARNING,
|
||||
- "update RR has incorrect class %d",
|
||||
- update_class);
|
||||
- FAIL(DNS_R_FORMERR);
|
||||
- }
|
||||
-
|
||||
- /*
|
||||
- * draft-ietf-dnsind-simple-secure-update-01 says
|
||||
- * "Unlike traditional dynamic update, the client
|
||||
- * is forbidden from updating NSEC records."
|
||||
- */
|
||||
- if (rdata.type == dns_rdatatype_nsec3) {
|
||||
- FAILC(DNS_R_REFUSED,
|
||||
- "explicit NSEC3 updates are not allowed "
|
||||
- "in secure zones");
|
||||
- } else if (rdata.type == dns_rdatatype_nsec) {
|
||||
- FAILC(DNS_R_REFUSED,
|
||||
- "explicit NSEC updates are not allowed "
|
||||
- "in secure zones");
|
||||
- } else if (rdata.type == dns_rdatatype_rrsig &&
|
||||
- !dns_name_equal(name, zonename)) {
|
||||
- FAILC(DNS_R_REFUSED,
|
||||
- "explicit RRSIG updates are currently "
|
||||
- "not supported in secure zones except "
|
||||
- "at the apex");
|
||||
- }
|
||||
-
|
||||
- if (ssutable != NULL) {
|
||||
- isc_netaddr_t netaddr;
|
||||
- dst_key_t *tsigkey = NULL;
|
||||
- isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr);
|
||||
-
|
||||
- if (client->message->tsigkey != NULL)
|
||||
- tsigkey = client->message->tsigkey->key;
|
||||
-
|
||||
- if (rdata.type != dns_rdatatype_any) {
|
||||
- if (!dns_ssutable_checkrules2
|
||||
- (ssutable, client->signer, name, &netaddr,
|
||||
- TCPCLIENT(client),
|
||||
- &ns_g_server->aclenv,
|
||||
- rdata.type, tsigkey))
|
||||
- {
|
||||
- FAILC(DNS_R_REFUSED,
|
||||
- "rejected by secure update");
|
||||
- }
|
||||
- } else {
|
||||
- if (!ssu_checkall(db, ver, name, ssutable,
|
||||
- client->signer,
|
||||
- &netaddr,
|
||||
- TCPCLIENT(client),
|
||||
- tsigkey))
|
||||
- {
|
||||
- FAILC(DNS_R_REFUSED,
|
||||
- "rejected by secure update");
|
||||
- }
|
||||
- }
|
||||
- }
|
||||
- }
|
||||
- if (result != ISC_R_NOMORE)
|
||||
- FAIL(result);
|
||||
-
|
||||
- update_log(client, zone, LOGLEVEL_DEBUG,
|
||||
- "update section prescan OK");
|
||||
-
|
||||
/*
|
||||
* Process the Update Section.
|
||||
*/
|
||||
|
||||
- options = dns_zone_getoptions(zone);
|
||||
options2 = dns_zone_getoptions2(zone);
|
||||
for (result = dns_message_firstname(request, DNS_SECTION_UPDATE);
|
||||
result == ISC_R_SUCCESS;
|
||||
@@ -3494,6 +3643,13 @@ send_forward_event(ns_client_t *client, dns_zone_t *zone) {
|
||||
isc_task_t *zonetask = NULL;
|
||||
ns_client_t *evclient;
|
||||
|
||||
+ result = checkupdateacl(client, dns_zone_getforwardacl(zone),
|
||||
+ "update forwarding", dns_zone_getorigin(zone),
|
||||
+ true, false);
|
||||
+ if (result != ISC_R_SUCCESS) {
|
||||
+ return (result);
|
||||
+ }
|
||||
+
|
||||
result = isc_quota_attach(&ns_g_server->updquota,
|
||||
&(isc_quota_t *){ NULL });
|
||||
if (result != ISC_R_SUCCESS) {
|
||||
--
|
||||
2.39.2
|
||||
|
||||
@ -1,266 +0,0 @@
|
||||
From 3d84c651f823cb90b73fd736d32ad6de57b11610 Mon Sep 17 00:00:00 2001
|
||||
From: Evan Hunt <each@isc.org>
|
||||
Date: Wed, 9 Nov 2022 21:56:16 -0800
|
||||
Subject: [PATCH] test failure conditions
|
||||
|
||||
verify that updates are refused when the client is disallowed by
|
||||
allow-query, and update forwarding is refused when the client is
|
||||
is disallowed by update-forwarding.
|
||||
|
||||
verify that "too many DNS UPDATEs" appears in the log file when too
|
||||
many simultaneous updates are processing.
|
||||
|
||||
(cherry picked from commit b91339b80e5b82a56622c93cc1e3cca2d0c11bc0)
|
||||
---
|
||||
bin/tests/system/nsupdate/ns1/named.conf.in | 2 +
|
||||
bin/tests/system/nsupdate/tests.sh | 28 +++++++++++++
|
||||
bin/tests/system/upforwd/clean.sh | 2 +
|
||||
.../ns3/{named.conf.in => named1.conf.in} | 7 +++-
|
||||
bin/tests/system/upforwd/ns3/named2.conf.in | 41 +++++++++++++++++++
|
||||
bin/tests/system/upforwd/setup.sh | 2 +-
|
||||
bin/tests/system/upforwd/tests.sh | 40 ++++++++++++++++++
|
||||
7 files changed, 120 insertions(+), 2 deletions(-)
|
||||
rename bin/tests/system/upforwd/ns3/{named.conf.in => named1.conf.in} (85%)
|
||||
create mode 100644 bin/tests/system/upforwd/ns3/named2.conf.in
|
||||
|
||||
diff --git a/bin/tests/system/nsupdate/ns1/named.conf.in b/bin/tests/system/nsupdate/ns1/named.conf.in
|
||||
index cb80269..228ad6a 100644
|
||||
--- a/bin/tests/system/nsupdate/ns1/named.conf.in
|
||||
+++ b/bin/tests/system/nsupdate/ns1/named.conf.in
|
||||
@@ -20,6 +20,7 @@ options {
|
||||
listen-on-v6 { none; };
|
||||
recursion no;
|
||||
notify yes;
|
||||
+ update-quota 1;
|
||||
};
|
||||
|
||||
key rndc_key {
|
||||
@@ -76,6 +77,7 @@ zone "other.nil" {
|
||||
check-integrity no;
|
||||
check-mx warn;
|
||||
update-policy local;
|
||||
+ allow-query { !10.53.0.2; any; };
|
||||
allow-query-on { 10.53.0.1; 127.0.0.1; };
|
||||
allow-transfer { any; };
|
||||
};
|
||||
diff --git a/bin/tests/system/nsupdate/tests.sh b/bin/tests/system/nsupdate/tests.sh
|
||||
index f8994ff..4cabf8d 100755
|
||||
--- a/bin/tests/system/nsupdate/tests.sh
|
||||
+++ b/bin/tests/system/nsupdate/tests.sh
|
||||
@@ -1069,6 +1069,34 @@ END
|
||||
grep "NSEC3PARAM has excessive iterations (> 150)" nsupdate.out-$n >/dev/null || ret=1
|
||||
[ $ret = 0 ] || { echo_i "failed"; status=1; }
|
||||
|
||||
+n=$((n + 1))
|
||||
+ret=0
|
||||
+echo_i "check that update is rejected if query is not allowed ($n)"
|
||||
+{
|
||||
+ $NSUPDATE -d <<END
|
||||
+ local 10.53.0.2
|
||||
+ server 10.53.0.1 ${PORT}
|
||||
+ update add reject.other.nil 3600 IN TXT Whatever
|
||||
+ send
|
||||
+END
|
||||
+} > nsupdate.out.test$n 2>&1
|
||||
+grep 'status: REFUSED' nsupdate.out.test$n > /dev/null || ret=1
|
||||
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
|
||||
+
|
||||
+n=$((n + 1))
|
||||
+ret=0
|
||||
+echo_i "check that update is rejected if quota is exceeded ($n)"
|
||||
+for loop in 1 2 3 4 5 6 7 8 9 10; do
|
||||
+{
|
||||
+ $NSUPDATE -l -p ${PORT} -k ns1/session.key > nsupdate.out.test$n-${loop} 2>&1 <<END
|
||||
+ update add txt-$loop.other.nil 3600 IN TXT Whatever
|
||||
+ send
|
||||
+END
|
||||
+} &
|
||||
+done
|
||||
+wait_for_log 10 "too many DNS UPDATEs queued" ns1/named.run || ret=1
|
||||
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
|
||||
+
|
||||
if $FEATURETEST --gssapi ; then
|
||||
n=`expr $n + 1`
|
||||
ret=0
|
||||
diff --git a/bin/tests/system/upforwd/clean.sh b/bin/tests/system/upforwd/clean.sh
|
||||
index 15cf423..832c727 100644
|
||||
--- a/bin/tests/system/upforwd/clean.sh
|
||||
+++ b/bin/tests/system/upforwd/clean.sh
|
||||
@@ -24,3 +24,5 @@ rm -f Ksig0.example2.*
|
||||
rm -f keyname
|
||||
rm -f ns*/named.lock
|
||||
rm -f ns1/example2.db
|
||||
+rm -f nsupdate.out.*
|
||||
+rm -f ns*/named.run.prev
|
||||
diff --git a/bin/tests/system/upforwd/ns3/named.conf.in b/bin/tests/system/upforwd/ns3/named1.conf.in
|
||||
similarity index 85%
|
||||
rename from bin/tests/system/upforwd/ns3/named.conf.in
|
||||
rename to bin/tests/system/upforwd/ns3/named1.conf.in
|
||||
index e81cd1a..83a490f 100644
|
||||
--- a/bin/tests/system/upforwd/ns3/named.conf.in
|
||||
+++ b/bin/tests/system/upforwd/ns3/named1.conf.in
|
||||
@@ -22,10 +22,15 @@ options {
|
||||
notify yes;
|
||||
};
|
||||
|
||||
+include "../../common/rndc.key";
|
||||
+controls {
|
||||
+ inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
|
||||
+};
|
||||
+
|
||||
zone "example" {
|
||||
type slave;
|
||||
file "example.bk";
|
||||
- allow-update-forwarding { any; };
|
||||
+ allow-update-forwarding { 10.53.0.1; };
|
||||
masters { 10.53.0.1; };
|
||||
};
|
||||
|
||||
diff --git a/bin/tests/system/upforwd/ns3/named2.conf.in b/bin/tests/system/upforwd/ns3/named2.conf.in
|
||||
new file mode 100644
|
||||
index 0000000..992cd69
|
||||
--- /dev/null
|
||||
+++ b/bin/tests/system/upforwd/ns3/named2.conf.in
|
||||
@@ -0,0 +1,41 @@
|
||||
+/*
|
||||
+ * 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.
|
||||
+ */
|
||||
+
|
||||
+options {
|
||||
+ query-source address 10.53.0.3;
|
||||
+ notify-source 10.53.0.3;
|
||||
+ transfer-source 10.53.0.3;
|
||||
+ port @PORT@;
|
||||
+ pid-file "named.pid";
|
||||
+ listen-on { 10.53.0.3; };
|
||||
+ listen-on-v6 { none; };
|
||||
+ recursion no;
|
||||
+ notify yes;
|
||||
+ update-quota 1;
|
||||
+};
|
||||
+
|
||||
+key rndc_key {
|
||||
+ secret "1234abcd8765";
|
||||
+ algorithm hmac-sha256;
|
||||
+};
|
||||
+
|
||||
+controls {
|
||||
+ inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
|
||||
+};
|
||||
+
|
||||
+zone "example" {
|
||||
+ type slave;
|
||||
+ file "example.bk";
|
||||
+ allow-update-forwarding { any; };
|
||||
+ masters { 10.53.0.1; };
|
||||
+};
|
||||
diff --git a/bin/tests/system/upforwd/setup.sh b/bin/tests/system/upforwd/setup.sh
|
||||
index 74c7ba3..928902b 100644
|
||||
--- a/bin/tests/system/upforwd/setup.sh
|
||||
+++ b/bin/tests/system/upforwd/setup.sh
|
||||
@@ -17,7 +17,7 @@ cp -f ns3/nomaster.db ns3/nomaster1.db
|
||||
|
||||
copy_setports ns1/named.conf.in ns1/named.conf
|
||||
copy_setports ns2/named.conf.in ns2/named.conf
|
||||
-copy_setports ns3/named.conf.in ns3/named.conf
|
||||
+copy_setports ns3/named1.conf.in ns3/named.conf
|
||||
|
||||
#
|
||||
# SIG(0) required cryptographic support which may not be configured.
|
||||
diff --git a/bin/tests/system/upforwd/tests.sh b/bin/tests/system/upforwd/tests.sh
|
||||
index f4c3216..ebc9ded 100644
|
||||
--- a/bin/tests/system/upforwd/tests.sh
|
||||
+++ b/bin/tests/system/upforwd/tests.sh
|
||||
@@ -17,6 +17,7 @@ SYSTEMTESTTOP=..
|
||||
. $SYSTEMTESTTOP/conf.sh
|
||||
|
||||
DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
|
||||
+RNDCCMD="$RNDC -c $SYSTEMTESTTOP/common/rndc.conf -p ${CONTROLPORT} -s"
|
||||
|
||||
status=0
|
||||
n=1
|
||||
@@ -69,6 +70,7 @@ if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
|
||||
echo_i "updating zone (signed) ($n)"
|
||||
ret=0
|
||||
$NSUPDATE -y hmac-sha256:update.example:c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K -- - <<EOF || ret=1
|
||||
+local 10.53.0.1
|
||||
server 10.53.0.3 ${PORT}
|
||||
update add updated.example. 600 A 10.10.10.1
|
||||
update add updated.example. 600 TXT Foo
|
||||
@@ -116,6 +118,7 @@ n=`expr $n + 1`
|
||||
echo_i "updating zone (unsigned) ($n)"
|
||||
ret=0
|
||||
$NSUPDATE -- - <<EOF || ret=1
|
||||
+local 10.53.0.1
|
||||
server 10.53.0.3 ${PORT}
|
||||
update add unsigned.example. 600 A 10.10.10.1
|
||||
update add unsigned.example. 600 TXT Foo
|
||||
@@ -161,6 +164,7 @@ while [ $count -lt 5 -a $ret -eq 0 ]
|
||||
do
|
||||
(
|
||||
$NSUPDATE -- - <<EOF
|
||||
+local 10.53.0.1
|
||||
server 10.53.0.3 ${PORT}
|
||||
zone nomaster
|
||||
update add unsigned.nomaster. 600 A 10.10.10.1
|
||||
@@ -181,6 +185,7 @@ then
|
||||
ret=0
|
||||
keyname=`cat keyname`
|
||||
$NSUPDATE -k $keyname.private -- - <<EOF
|
||||
+ local 10.53.0.1
|
||||
server 10.53.0.3 ${PORT}
|
||||
zone example2
|
||||
update add unsigned.example2. 600 A 10.10.10.1
|
||||
@@ -194,5 +199,40 @@ EOF
|
||||
n=`expr $n + 1`
|
||||
fi
|
||||
|
||||
+echo_i "attempting an update that should be rejected by ACL ($n)"
|
||||
+ret=0
|
||||
+{
|
||||
+ $NSUPDATE -- - << EOF
|
||||
+ local 10.53.0.2
|
||||
+ server 10.53.0.3 ${PORT}
|
||||
+ update add another.unsigned.example. 600 A 10.10.10.2
|
||||
+ update add another.unsigned.example. 600 TXT Bar
|
||||
+ send
|
||||
+EOF
|
||||
+} > nsupdate.out.$n 2>&1
|
||||
+grep REFUSED nsupdate.out.$n > /dev/null || ret=1
|
||||
+if [ $ret != 0 ] ; then echo_i "failed"; status=`expr $status + $ret`; fi
|
||||
+n=`expr $n + 1`
|
||||
+
|
||||
+n=$((n + 1))
|
||||
+ret=0
|
||||
+echo_i "attempting updates that should exceed quota ($n)"
|
||||
+# lower the update quota to 1.
|
||||
+copy_setports ns3/named2.conf.in ns3/named.conf
|
||||
+$RNDCCMD 10.53.0.3 reconfig
|
||||
+nextpart ns3/named.run > /dev/null
|
||||
+for loop in 1 2 3 4 5 6 7 8 9 10; do
|
||||
+{
|
||||
+ $NSUPDATE -- - > /dev/null 2>&1 <<END
|
||||
+ local 10.53.0.1
|
||||
+ server 10.53.0.3 ${PORT}
|
||||
+ update add txt-$loop.unsigned.example 300 IN TXT Whatever
|
||||
+ send
|
||||
+END
|
||||
+} &
|
||||
+done
|
||||
+wait_for_log 10 "too many DNS UPDATEs queued" ns3/named.run || ret=1
|
||||
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
|
||||
+
|
||||
echo_i "exit status: $status"
|
||||
[ $status -eq 0 ] || exit 1
|
||||
--
|
||||
2.39.2
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
From 0095b8a6b09173ab5eb48611dc0233d2a6337dc1 Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Tue, 20 Sep 2022 11:21:45 +0200
|
||||
Subject: [PATCH] Fix CVE-2022-38177
|
||||
|
||||
5961. [security] Fix memory leak in ECDSA verify processing.
|
||||
(CVE-2022-38177) [GL #3487]
|
||||
---
|
||||
lib/dns/opensslecdsa_link.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/lib/dns/opensslecdsa_link.c b/lib/dns/opensslecdsa_link.c
|
||||
index 83b5b51..7576e04 100644
|
||||
--- a/lib/dns/opensslecdsa_link.c
|
||||
+++ b/lib/dns/opensslecdsa_link.c
|
||||
@@ -224,7 +224,7 @@ opensslecdsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
|
||||
siglen = DNS_SIG_ECDSA384SIZE;
|
||||
|
||||
if (sig->length != siglen)
|
||||
- return (DST_R_VERIFYFAILURE);
|
||||
+ DST_RET(DST_R_VERIFYFAILURE);
|
||||
|
||||
if (!EVP_DigestFinal_ex(evp_md_ctx, digest, &dgstlen))
|
||||
DST_RET (dst__openssl_toresult3(dctx->category,
|
||||
--
|
||||
2.37.3
|
||||
|
||||
@ -1,27 +0,0 @@
|
||||
From bb68864bf05d29df644427ec841bc3db6a336519 Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Tue, 20 Sep 2022 11:22:47 +0200
|
||||
Subject: [PATCH] Fix CVE-2022-38178
|
||||
|
||||
5962. [security] Fix memory leak in EdDSA verify processing.
|
||||
(CVE-2022-38178) [GL #3487]
|
||||
---
|
||||
lib/dns/openssleddsa_link.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/lib/dns/openssleddsa_link.c b/lib/dns/openssleddsa_link.c
|
||||
index 8b115ec..4f3c2a8 100644
|
||||
--- a/lib/dns/openssleddsa_link.c
|
||||
+++ b/lib/dns/openssleddsa_link.c
|
||||
@@ -325,7 +325,7 @@ openssleddsa_verify(dst_context_t *dctx, const isc_region_t *sig) {
|
||||
siglen = DNS_SIG_ED448SIZE;
|
||||
|
||||
if (sig->length != siglen)
|
||||
- return (DST_R_VERIFYFAILURE);
|
||||
+ DST_RET(DST_R_VERIFYFAILURE);
|
||||
|
||||
isc_buffer_usedregion(buf, &tbsreg);
|
||||
|
||||
--
|
||||
2.37.3
|
||||
|
||||
@ -1,166 +0,0 @@
|
||||
From 3883ec072e5feed1237dc864854ab95ded7302d6 Mon Sep 17 00:00:00 2001
|
||||
From: Petr Mensik <pemensik@redhat.com>
|
||||
Date: Tue, 19 Sep 2023 13:14:52 +0200
|
||||
Subject: [PATCH] Backport of CVE-2023-3341 fix
|
||||
|
||||
Taken from BIND 9.16.44 change.
|
||||
---
|
||||
lib/isccc/cc.c | 36 +++++++++++++++++++++++---------
|
||||
lib/isccc/include/isccc/result.h | 4 +++-
|
||||
lib/isccc/result.c | 4 +++-
|
||||
3 files changed, 32 insertions(+), 12 deletions(-)
|
||||
|
||||
diff --git a/lib/isccc/cc.c b/lib/isccc/cc.c
|
||||
index 463a053..a54e60c 100644
|
||||
--- a/lib/isccc/cc.c
|
||||
+++ b/lib/isccc/cc.c
|
||||
@@ -53,6 +53,10 @@
|
||||
|
||||
#define MAX_TAGS 256
|
||||
#define DUP_LIFETIME 900
|
||||
+#ifndef ISCCC_MAXDEPTH
|
||||
+#define ISCCC_MAXDEPTH \
|
||||
+ 10 /* Big enough for rndc which just sends a string each way. */
|
||||
+#endif
|
||||
|
||||
typedef isccc_sexpr_t *sexpr_ptr;
|
||||
|
||||
@@ -573,19 +577,23 @@ verify(isccc_sexpr_t *alist, unsigned char *data, unsigned int length,
|
||||
|
||||
static isc_result_t
|
||||
table_fromwire(isccc_region_t *source, isccc_region_t *secret,
|
||||
- uint32_t algorithm, isccc_sexpr_t **alistp);
|
||||
+ uint32_t algorithm, unsigned int depth, isccc_sexpr_t **alistp);
|
||||
|
||||
static isc_result_t
|
||||
-list_fromwire(isccc_region_t *source, isccc_sexpr_t **listp);
|
||||
+list_fromwire(isccc_region_t *source, unsigned int depth, isccc_sexpr_t **listp);
|
||||
|
||||
static isc_result_t
|
||||
-value_fromwire(isccc_region_t *source, isccc_sexpr_t **valuep) {
|
||||
+value_fromwire(isccc_region_t *source, unsigned int depth, isccc_sexpr_t **valuep) {
|
||||
unsigned int msgtype;
|
||||
uint32_t len;
|
||||
isccc_sexpr_t *value;
|
||||
isccc_region_t active;
|
||||
isc_result_t result;
|
||||
|
||||
+ if (depth > ISCCC_MAXDEPTH) {
|
||||
+ return (ISCCC_R_MAXDEPTH);
|
||||
+ }
|
||||
+
|
||||
if (REGION_SIZE(*source) < 1 + 4)
|
||||
return (ISC_R_UNEXPECTEDEND);
|
||||
GET8(msgtype, source->rstart);
|
||||
@@ -603,9 +611,9 @@ value_fromwire(isccc_region_t *source, isccc_sexpr_t **valuep) {
|
||||
} else
|
||||
result = ISC_R_NOMEMORY;
|
||||
} else if (msgtype == ISCCC_CCMSGTYPE_TABLE)
|
||||
- result = table_fromwire(&active, NULL, 0, valuep);
|
||||
+ result = table_fromwire(&active, NULL, 0, depth + 1, valuep);
|
||||
else if (msgtype == ISCCC_CCMSGTYPE_LIST)
|
||||
- result = list_fromwire(&active, valuep);
|
||||
+ result = list_fromwire(&active, depth + 1, valuep);
|
||||
else
|
||||
result = ISCCC_R_SYNTAX;
|
||||
|
||||
@@ -614,7 +622,7 @@ value_fromwire(isccc_region_t *source, isccc_sexpr_t **valuep) {
|
||||
|
||||
static isc_result_t
|
||||
table_fromwire(isccc_region_t *source, isccc_region_t *secret,
|
||||
- uint32_t algorithm, isccc_sexpr_t **alistp)
|
||||
+ uint32_t algorithm, unsigned int depth, isccc_sexpr_t **alistp)
|
||||
{
|
||||
char key[256];
|
||||
uint32_t len;
|
||||
@@ -625,6 +633,10 @@ table_fromwire(isccc_region_t *source, isccc_region_t *secret,
|
||||
|
||||
REQUIRE(alistp != NULL && *alistp == NULL);
|
||||
|
||||
+ if (depth > ISCCC_MAXDEPTH) {
|
||||
+ return (ISCCC_R_MAXDEPTH);
|
||||
+ }
|
||||
+
|
||||
checksum_rstart = NULL;
|
||||
first_tag = true;
|
||||
alist = isccc_alist_create();
|
||||
@@ -640,7 +652,7 @@ table_fromwire(isccc_region_t *source, isccc_region_t *secret,
|
||||
GET_MEM(key, len, source->rstart);
|
||||
key[len] = '\0'; /* Ensure NUL termination. */
|
||||
value = NULL;
|
||||
- result = value_fromwire(source, &value);
|
||||
+ result = value_fromwire(source, depth + 1, &value);
|
||||
if (result != ISC_R_SUCCESS)
|
||||
goto bad;
|
||||
if (isccc_alist_define(alist, key, value) == NULL) {
|
||||
@@ -673,14 +685,18 @@ table_fromwire(isccc_region_t *source, isccc_region_t *secret,
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
-list_fromwire(isccc_region_t *source, isccc_sexpr_t **listp) {
|
||||
+list_fromwire(isccc_region_t *source, unsigned int depth, isccc_sexpr_t **listp) {
|
||||
isccc_sexpr_t *list, *value;
|
||||
isc_result_t result;
|
||||
|
||||
+ if (depth > ISCCC_MAXDEPTH) {
|
||||
+ return (ISCCC_R_MAXDEPTH);
|
||||
+ }
|
||||
+
|
||||
list = NULL;
|
||||
while (!REGION_EMPTY(*source)) {
|
||||
value = NULL;
|
||||
- result = value_fromwire(source, &value);
|
||||
+ result = value_fromwire(source, depth + 1, &value);
|
||||
if (result != ISC_R_SUCCESS) {
|
||||
isccc_sexpr_free(&list);
|
||||
return (result);
|
||||
@@ -711,7 +727,7 @@ isccc_cc_fromwire(isccc_region_t *source, isccc_sexpr_t **alistp,
|
||||
if (version != 1)
|
||||
return (ISCCC_R_UNKNOWNVERSION);
|
||||
|
||||
- return (table_fromwire(source, secret, algorithm, alistp));
|
||||
+ return (table_fromwire(source, secret, algorithm, 0, alistp));
|
||||
}
|
||||
|
||||
static isc_result_t
|
||||
diff --git a/lib/isccc/include/isccc/result.h b/lib/isccc/include/isccc/result.h
|
||||
index 6c79dd7..b30b08a 100644
|
||||
--- a/lib/isccc/include/isccc/result.h
|
||||
+++ b/lib/isccc/include/isccc/result.h
|
||||
@@ -47,8 +47,10 @@
|
||||
#define ISCCC_R_CLOCKSKEW (ISC_RESULTCLASS_ISCCC + 4)
|
||||
/*% Duplicate */
|
||||
#define ISCCC_R_DUPLICATE (ISC_RESULTCLASS_ISCCC + 5)
|
||||
+/*% Maximum recursion depth */
|
||||
+#define ISCCC_R_MAXDEPTH (ISC_RESULTCLASS_ISCCC + 6)
|
||||
|
||||
-#define ISCCC_R_NRESULTS 6 /*%< Number of results */
|
||||
+#define ISCCC_R_NRESULTS 7 /*%< Number of results */
|
||||
|
||||
ISC_LANG_BEGINDECLS
|
||||
|
||||
diff --git a/lib/isccc/result.c b/lib/isccc/result.c
|
||||
index 8419bbb..a3a3b9a 100644
|
||||
--- a/lib/isccc/result.c
|
||||
+++ b/lib/isccc/result.c
|
||||
@@ -40,7 +40,8 @@ static const char *text[ISCCC_R_NRESULTS] = {
|
||||
"bad auth", /* 3 */
|
||||
"expired", /* 4 */
|
||||
"clock skew", /* 5 */
|
||||
- "duplicate" /* 6 */
|
||||
+ "duplicate", /* 6 */
|
||||
+ "max depth", /* 7 */
|
||||
};
|
||||
|
||||
static const char *ids[ISCCC_R_NRESULTS] = {
|
||||
@@ -50,6 +51,7 @@ static const char *ids[ISCCC_R_NRESULTS] = {
|
||||
"ISCCC_R_EXPIRED",
|
||||
"ISCCC_R_CLOCKSKEW",
|
||||
"ISCCC_R_DUPLICATE",
|
||||
+ "ISCCC_R_MAXDEPTH"
|
||||
};
|
||||
|
||||
#define ISCCC_RESULT_RESULTSET 2
|
||||
--
|
||||
2.41.0
|
||||
|
||||
@ -1,31 +0,0 @@
|
||||
From 4e595a6b961e73af43350833109ccba0950119f9 Mon Sep 17 00:00:00 2001
|
||||
From: Mark Andrews <marka@isc.org>
|
||||
Date: Thu, 12 Oct 2023 10:19:38 +1100
|
||||
Subject: [PATCH] Update b.root-servers.net IP addresses
|
||||
|
||||
This covers both root hints and the default primaries for the root
|
||||
zone mirror. The official change date is Nov 27, 2023.
|
||||
|
||||
(cherry picked from commit 2ca2f7e9852a3d6e93f065c01ea4679f723688f7)
|
||||
---
|
||||
lib/dns/rootns.c | 4 ++--
|
||||
1 file changed, 2 insertions(+), 2 deletions(-)
|
||||
|
||||
diff --git a/lib/dns/rootns.c b/lib/dns/rootns.c
|
||||
index 9653f3b..d6ff76e 100644
|
||||
--- a/lib/dns/rootns.c
|
||||
+++ b/lib/dns/rootns.c
|
||||
@@ -56,8 +56,8 @@ static char root_ns[] =
|
||||
". 518400 IN NS M.ROOT-SERVERS.NET.\n"
|
||||
"A.ROOT-SERVERS.NET. 3600000 IN A 198.41.0.4\n"
|
||||
"A.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:503:BA3E::2:30\n"
|
||||
-"B.ROOT-SERVERS.NET. 3600000 IN A 199.9.14.201\n"
|
||||
-"B.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:500:200::b\n"
|
||||
+"B.ROOT-SERVERS.NET. 3600000 IN A 170.247.170.2\n"
|
||||
+"B.ROOT-SERVERS.NET. 3600000 IN AAAA 2801:1b8:10::b\n"
|
||||
"C.ROOT-SERVERS.NET. 3600000 IN A 192.33.4.12\n"
|
||||
"C.ROOT-SERVERS.NET. 3600000 IN AAAA 2001:500:2::c\n"
|
||||
"D.ROOT-SERVERS.NET. 3600000 IN A 199.7.91.13\n"
|
||||
--
|
||||
2.43.0
|
||||
|
||||
0
SOURCES/generate-rndc-key.sh
Normal file → Executable file
0
SOURCES/generate-rndc-key.sh
Normal file → Executable file
@ -1,13 +1,13 @@
|
||||
|
||||
; <<>> DiG 9.18.20 <<>> -4 +tcp +norec +nostats @d.root-servers.net
|
||||
; (1 server found)
|
||||
; <<>> DiG 9.11.3-RedHat-9.11.3-3.fc27 <<>> +bufsize=1200 +norec @a.root-servers.net
|
||||
; (2 servers found)
|
||||
;; global options: +cmd
|
||||
;; Got answer:
|
||||
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47286
|
||||
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46900
|
||||
;; flags: qr aa; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 27
|
||||
|
||||
;; OPT PSEUDOSECTION:
|
||||
; EDNS: version: 0, flags:; udp: 1450
|
||||
; EDNS: version: 0, flags:; udp: 1472
|
||||
;; QUESTION SECTION:
|
||||
;. IN NS
|
||||
|
||||
@ -28,7 +28,7 @@
|
||||
|
||||
;; ADDITIONAL SECTION:
|
||||
a.root-servers.net. 518400 IN A 198.41.0.4
|
||||
b.root-servers.net. 518400 IN A 170.247.170.2
|
||||
b.root-servers.net. 518400 IN A 199.9.14.201
|
||||
c.root-servers.net. 518400 IN A 192.33.4.12
|
||||
d.root-servers.net. 518400 IN A 199.7.91.13
|
||||
e.root-servers.net. 518400 IN A 192.203.230.10
|
||||
@ -41,7 +41,7 @@ k.root-servers.net. 518400 IN A 193.0.14.129
|
||||
l.root-servers.net. 518400 IN A 199.7.83.42
|
||||
m.root-servers.net. 518400 IN A 202.12.27.33
|
||||
a.root-servers.net. 518400 IN AAAA 2001:503:ba3e::2:30
|
||||
b.root-servers.net. 518400 IN AAAA 2801:1b8:10::b
|
||||
b.root-servers.net. 518400 IN AAAA 2001:500:200::b
|
||||
c.root-servers.net. 518400 IN AAAA 2001:500:2::c
|
||||
d.root-servers.net. 518400 IN AAAA 2001:500:2d::d
|
||||
e.root-servers.net. 518400 IN AAAA 2001:500:a8::e
|
||||
@ -54,3 +54,8 @@ k.root-servers.net. 518400 IN AAAA 2001:7fd::1
|
||||
l.root-servers.net. 518400 IN AAAA 2001:500:9f::42
|
||||
m.root-servers.net. 518400 IN AAAA 2001:dc3::35
|
||||
|
||||
;; Query time: 24 msec
|
||||
;; SERVER: 198.41.0.4#53(198.41.0.4)
|
||||
;; WHEN: Thu Apr 05 15:57:34 CEST 2018
|
||||
;; MSG SIZE rcvd: 811
|
||||
|
||||
|
||||
0
SOURCES/setup-named-chroot.sh
Normal file → Executable file
0
SOURCES/setup-named-chroot.sh
Normal file → Executable file
0
SOURCES/setup-named-softhsm.sh
Normal file → Executable file
0
SOURCES/setup-named-softhsm.sh
Normal file → Executable file
122
SPECS/bind.spec
122
SPECS/bind.spec
@ -68,7 +68,7 @@ Summary: The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) serv
|
||||
Name: bind
|
||||
License: MPLv2.0
|
||||
Version: 9.11.36
|
||||
Release: 16%{?PATCHVER:.%{PATCHVER}}%{?PREVER:.%{PREVER}}%{?dist}.2
|
||||
Release: 3%{?PATCHVER:.%{PATCHVER}}%{?PREVER:.%{PREVER}}%{?dist}
|
||||
Epoch: 32
|
||||
Url: https://www.isc.org/downloads/bind/
|
||||
#
|
||||
@ -158,45 +158,6 @@ Patch178:bind-9.11-dhcp-time-monotonic.patch
|
||||
Patch183:bind-9.11-rh1980757.patch
|
||||
# modified, https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/3067
|
||||
Patch184: bind-9.15-resolver-ntasks.patch
|
||||
Patch185: bind-9.11-CVE-2021-25220.patch
|
||||
Patch186: bind-9.11-CVE-2021-25220-test.patch
|
||||
Patch188: bind-9.16-CVE-2022-38177.patch
|
||||
Patch189: bind-9.16-CVE-2022-38178.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/6695
|
||||
Patch190: bind-9.11-rh2101712.patch
|
||||
Patch191: bind-9.11-CVE-2022-2795.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/7376
|
||||
Patch192: bind-9.11-rh2133889.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/82185f4f80d2fa39a4569f6740cb360ffff8f5c4
|
||||
Patch193: bind-9.16-CVE-2022-3094-1.patch
|
||||
Patch194: bind-9.16-CVE-2022-3094-2.patch
|
||||
Patch195: bind-9.16-CVE-2022-3094-3.patch
|
||||
Patch196: bind-9.16-CVE-2022-3094-test.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/f1d9e9ee3859976f403914d20ad2a10855343702
|
||||
Patch197: bind-9.11-CVE-2023-2828.patch
|
||||
Patch198: bind-9.16-CVE-2023-3341.patch
|
||||
# https://issues.redhat.com/browse/RHEL-11785, downstream
|
||||
Patch199: bind-9.11-stale-cache.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/8924adca613ca9daea63786563cce6fdbd742c56
|
||||
Patch200: bind-9.16-update-b.root-servers.net.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/8768
|
||||
Patch201: bind-9.11-CVE-2023-4408.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/8769
|
||||
Patch202: bind-9.11-CVE-2023-50387.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/8778
|
||||
Patch203: bind-9.11-CVE-2023-2828-fixup.patch
|
||||
# addition to patch 200
|
||||
Patch204: bind-9.11-CVE-2023-50387-fixup.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/225f2861920b8f8d42a0ea6c34dd1faa93aa8726
|
||||
Patch205: bind-9.11-CVE-2024-1975.patch
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/3e0a67e4bdb253dae3a03a45c1aa117239a3313d
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/e4d7ce686bb38428eddc7e33b40057d68eca9a6e
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/b9b5485b22c364fb88c27aa04bad4c8f616da3fa
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/3f10d6eff035702796ba82cd28b9f7cf9836e743
|
||||
# https://gitlab.isc.org/isc-projects/bind9/commit/23a4652346fb2877d6246b1eebaa967969dbde16
|
||||
Patch206: bind-9.11-CVE-2024-1737.patch
|
||||
# RH downstream, allow changing by environment
|
||||
Patch208: bind-9.11-CVE-2024-1737-runtime-env.patch
|
||||
|
||||
# SDB patches
|
||||
Patch11: bind-9.3.2b2-sdbsrc.patch
|
||||
@ -222,12 +183,6 @@ Obsoletes: caching-nameserver < 31:9.4.1-7.fc8
|
||||
Provides: caching-nameserver = 31:9.4.1-7.fc8
|
||||
Obsoletes: dnssec-conf < 1.27-2
|
||||
Provides: dnssec-conf = 1.27-2
|
||||
# Fixes of CVE-2023-50387 and CVE-2023-50868 caused ABI change
|
||||
# Enforce updated rebuild is accepted only
|
||||
Conflicts: bind-dyndb-ldap < 11.6-5
|
||||
Conflicts: dhcp-client < 12:4.3.6-50
|
||||
Conflicts: dhcp-server < 12:4.3.6-50
|
||||
Conflicts: dhcp-relay < 12:4.3.6-50
|
||||
BuildRequires: gcc, make
|
||||
BuildRequires: openssl-devel, libtool, autoconf, pkgconfig, libcap-devel
|
||||
BuildRequires: libidn2-devel, libxml2-devel
|
||||
@ -598,28 +553,6 @@ are used for building ISC DHCP.
|
||||
%patch178 -p1 -b .time-monotonic
|
||||
%patch183 -p1 -b .rh1980757
|
||||
%patch184 -p1 -b .rh2030239
|
||||
%patch185 -p1 -b .CVE-2021-25220
|
||||
%patch186 -p1 -b .CVE-2021-25220-test
|
||||
%patch188 -p1 -b .CVE-2022-38177
|
||||
%patch189 -p1 -b .CVE-2022-38178
|
||||
%patch190 -p1 -b .rh2101712
|
||||
%patch191 -p1 -b .CVE-2022-2795
|
||||
%patch192 -p1 -b .rh2133889
|
||||
%patch193 -p1 -b .CVE-2022-3094
|
||||
%patch194 -p1 -b .CVE-2022-3094
|
||||
%patch195 -p1 -b .CVE-2022-3094
|
||||
%patch196 -p1 -b .CVE-2022-3094-test
|
||||
%patch197 -p1 -b .CVE-2023-2828
|
||||
%patch198 -p1 -b .CVE-2023-3341
|
||||
%patch199 -p1 -b .RHEL-11785
|
||||
%patch200 -p1 -b .b.root-servers.net
|
||||
%patch201 -p1 -b .CVE-2023-4408
|
||||
%patch202 -p1 -b .CVE-2023-50387+50868
|
||||
%patch203 -p1 -b .CVE-2023-2828-fixup
|
||||
%patch204 -p1 -b .CVE-2023-50387-fixup
|
||||
%patch205 -p1 -b .CVE-2024-1975
|
||||
%patch206 -p1 -b .CVE-2024-1737
|
||||
%patch208 -p1 -b .CVE-2024-1737-env
|
||||
|
||||
mkdir lib/dns/tests/testdata/dstrandom
|
||||
cp -a %{SOURCE50} lib/dns/tests/testdata/dstrandom/random.data
|
||||
@ -1672,59 +1605,6 @@ rm -rf ${RPM_BUILD_ROOT}
|
||||
%endif
|
||||
|
||||
%changelog
|
||||
* Tue Aug 06 2024 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-16.2
|
||||
- Rebuild after CI change
|
||||
|
||||
* Thu Jul 18 2024 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-16.1
|
||||
- Resolve CVE-2024-1975
|
||||
- Resolve CVE-2024-1737
|
||||
- Add ability to change runtime limits for max types and records per name
|
||||
|
||||
* Mon Apr 15 2024 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-16
|
||||
- Ensure incompatible dhcp is not accepted
|
||||
|
||||
* Fri Apr 12 2024 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-15
|
||||
- Ensure incompatible bind-dyndb-ldap is not accepted
|
||||
|
||||
* Mon Feb 26 2024 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-14
|
||||
- Speed up parsing of DNS messages with many different names (CVE-2023-4408)
|
||||
- Prevent increased CPU consumption in DNSSEC validator (CVE-2023-50387 CVE-2023-50868)
|
||||
- Do not use header_prev in expire_lru_headers
|
||||
|
||||
* Thu Dec 07 2023 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-13
|
||||
- Update addresses of b.root-servers.net (RHEL-18449)
|
||||
|
||||
* Mon Oct 09 2023 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-12
|
||||
- Disable caching of stale records by default (RHEL-11785)
|
||||
|
||||
* Tue Sep 19 2023 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-11
|
||||
- Prevent exahustion of memory from control channel (CVE-2023-3341)
|
||||
|
||||
* Thu Jun 22 2023 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-10
|
||||
- Prevent the cache going over the configured limit (CVE-2023-2828)
|
||||
|
||||
* Wed Feb 08 2023 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-9
|
||||
- Prevent flooding with UPDATE requests (CVE-2022-3094)
|
||||
- include upstream test for that change
|
||||
|
||||
* Thu Oct 13 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-8
|
||||
- Correct regression preventing bind-dyndb-ldap build (#2133889)
|
||||
|
||||
* Thu Sep 29 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-7
|
||||
- Prevent excessive resource use while processing large delegations.
|
||||
(CVE-2022-2795)
|
||||
|
||||
* Thu Sep 22 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-6
|
||||
- Prevent freeing zone during statistics rendering (#2101712)
|
||||
|
||||
* Thu Sep 22 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-5
|
||||
- Fix memory leak in ECDSA verify processing (CVE-2022-38177)
|
||||
- Fix memory leak in EdDSA verify processing (CVE-2022-38178)
|
||||
|
||||
* Wed Apr 13 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-4
|
||||
- Tighten cache protection against record from forwarders (CVE-2021-25220)
|
||||
- Include test of forwarders
|
||||
|
||||
* Thu Feb 10 2022 Petr Menšík <pemensik@redhat.com> - 32:9.11.36-2
|
||||
- Reduce memory used per-view on machine with few processors (#2030239)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user