diff options
Diffstat (limited to 'contrib/bind9/lib')
-rw-r--r-- | contrib/bind9/lib/dns/include/dns/types.h | 50 | ||||
-rw-r--r-- | contrib/bind9/lib/dns/masterdump.c | 3 | ||||
-rw-r--r-- | contrib/bind9/lib/dns/rbtdb.c | 4 | ||||
-rw-r--r-- | contrib/bind9/lib/dns/resolver.c | 31 | ||||
-rw-r--r-- | contrib/bind9/lib/dns/validator.c | 10 |
5 files changed, 67 insertions, 31 deletions
diff --git a/contrib/bind9/lib/dns/include/dns/types.h b/contrib/bind9/lib/dns/include/dns/types.h index 8dcbe57444b4..6f8944e2816d 100644 --- a/contrib/bind9/lib/dns/include/dns/types.h +++ b/contrib/bind9/lib/dns/include/dns/types.h @@ -241,40 +241,52 @@ enum { dns_trust_none = 0, #define dns_trust_none ((dns_trust_t)dns_trust_none) - /*% Subject to DNSSEC validation but has not yet been validated */ - dns_trust_pending = 1, -#define dns_trust_pending ((dns_trust_t)dns_trust_pending) - + /*% + * Subject to DNSSEC validation but has not yet been validated + * dns_trust_pending_additional (from the additional section). + */ + dns_trust_pending_additional = 1, +#define dns_trust_pending_additional \ + ((dns_trust_t)dns_trust_pending_additional) + + dns_trust_pending_answer = 2, +#define dns_trust_pending_answer ((dns_trust_t)dns_trust_pending_answer) + /*% Received in the additional section of a response. */ - dns_trust_additional = 2, + dns_trust_additional = 3, #define dns_trust_additional ((dns_trust_t)dns_trust_additional) - - /* Received in a referral response. */ - dns_trust_glue = 3, + + /* Received in a referral response. */ + dns_trust_glue = 4, #define dns_trust_glue ((dns_trust_t)dns_trust_glue) - - /* Answser from a non-authoritative server */ - dns_trust_answer = 4, + + /* Answer from a non-authoritative server */ + dns_trust_answer = 5, #define dns_trust_answer ((dns_trust_t)dns_trust_answer) - + /* Received in the authority section as part of an authoritative response */ - dns_trust_authauthority = 5, + dns_trust_authauthority = 6, #define dns_trust_authauthority ((dns_trust_t)dns_trust_authauthority) - /* Answser from an authoritative server */ - dns_trust_authanswer = 6, + /* Answer from an authoritative server */ + dns_trust_authanswer = 7, #define dns_trust_authanswer ((dns_trust_t)dns_trust_authanswer) - - /* Successfully DNSSEC validated */ - dns_trust_secure = 7, + + /* Successfully DNSSEC validated */ + dns_trust_secure = 8, #define dns_trust_secure ((dns_trust_t)dns_trust_secure) /* This server is authoritative */ - dns_trust_ultimate = 8 + dns_trust_ultimate = 9 #define dns_trust_ultimate ((dns_trust_t)dns_trust_ultimate) }; +#define DNS_TRUST_PENDING(x) ((x) == dns_trust_pending_answer || \ + (x) == dns_trust_pending_additional) +#define DNS_TRUST_GLUE(x) ((x) == dns_trust_glue) + + /*% * Name checking severites. */ diff --git a/contrib/bind9/lib/dns/masterdump.c b/contrib/bind9/lib/dns/masterdump.c index 1ffdfcb717ab..8b637ef1e243 100644 --- a/contrib/bind9/lib/dns/masterdump.c +++ b/contrib/bind9/lib/dns/masterdump.c @@ -774,7 +774,8 @@ dump_order_compare(const void *a, const void *b) { static const char *trustnames[] = { "none", - "pending", + "pending-additional", + "pending-answer", "additional", "glue", "answer", diff --git a/contrib/bind9/lib/dns/rbtdb.c b/contrib/bind9/lib/dns/rbtdb.c index 462a718dfa0e..4b0b4af307a3 100644 --- a/contrib/bind9/lib/dns/rbtdb.c +++ b/contrib/bind9/lib/dns/rbtdb.c @@ -3072,7 +3072,7 @@ cache_zonecut_callback(dns_rbtnode_t *node, dns_name_t *name, void *arg) { } if (dname_header != NULL && - (dname_header->trust != dns_trust_pending || + (!DNS_TRUST_PENDING(dname_header->trust) || (search->options & DNS_DBFIND_PENDINGOK) != 0)) { /* * We increment the reference count on node to ensure that @@ -3586,7 +3586,7 @@ cache_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version, if (found == NULL || (found->trust == dns_trust_glue && ((options & DNS_DBFIND_GLUEOK) == 0)) || - (found->trust == dns_trust_pending && + (DNS_TRUST_PENDING(found->trust) && ((options & DNS_DBFIND_PENDINGOK) == 0))) { /* * If there is an NS rdataset at this node, then this is the diff --git a/contrib/bind9/lib/dns/resolver.c b/contrib/bind9/lib/dns/resolver.c index dc648c9c3673..db1a69876213 100644 --- a/contrib/bind9/lib/dns/resolver.c +++ b/contrib/bind9/lib/dns/resolver.c @@ -3887,6 +3887,7 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_adbaddrinfo_t *addrinfo, * for it, unless it is glue. */ if (secure_domain && rdataset->trust != dns_trust_glue) { + dns_trust_t trust; /* * RRSIGs are validated as part of validating the * type they cover. @@ -3923,12 +3924,34 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_adbaddrinfo_t *addrinfo, } /* + * Reject out of bailiwick additional records + * without RRSIGs as they can't possibly validate + * as "secure" and as we will never never want to + * store these as "answers" after validation. + */ + if (rdataset->trust == dns_trust_additional && + sigrdataset == NULL && EXTERNAL(rdataset)) + continue; + + /* + * XXXMPA: If we store as "answer" after validating + * then we need to do bailiwick processing and + * also need to track whether RRsets are in or + * out of bailiwick. This will require a another + * pending trust level. + * * Cache this rdataset/sigrdataset pair as - * pending data. + * pending data. Track whether it was additional + * or not. */ - rdataset->trust = dns_trust_pending; + if (rdataset->trust == dns_trust_additional) + trust = dns_trust_pending_additional; + else + trust = dns_trust_pending_answer; + + rdataset->trust = trust; if (sigrdataset != NULL) - sigrdataset->trust = dns_trust_pending; + sigrdataset->trust = trust; if (!need_validation) addedrdataset = ardataset; else @@ -4276,7 +4299,7 @@ ncache_message(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, for (trdataset = ISC_LIST_HEAD(tname->list); trdataset != NULL; trdataset = ISC_LIST_NEXT(trdataset, link)) - trdataset->trust = dns_trust_pending; + trdataset->trust = dns_trust_pending_answer; result = dns_message_nextname(fctx->rmessage, DNS_SECTION_AUTHORITY); } diff --git a/contrib/bind9/lib/dns/validator.c b/contrib/bind9/lib/dns/validator.c index 685434bf299e..582527972da5 100644 --- a/contrib/bind9/lib/dns/validator.c +++ b/contrib/bind9/lib/dns/validator.c @@ -1174,7 +1174,7 @@ get_key(dns_validator_t *val, dns_rdata_rrsig_t *siginfo) { * We have an rrset for the given keyname. */ val->keyset = &val->frdataset; - if (val->frdataset.trust == dns_trust_pending && + if (DNS_TRUST_PENDING(val->frdataset.trust) && dns_rdataset_isassociated(&val->fsigrdataset)) { /* @@ -1189,7 +1189,7 @@ get_key(dns_validator_t *val, dns_rdata_rrsig_t *siginfo) { if (result != ISC_R_SUCCESS) return (result); return (DNS_R_WAIT); - } else if (val->frdataset.trust == dns_trust_pending) { + } else if (DNS_TRUST_PENDING(val->frdataset.trust)) { /* * Having a pending key with no signature means that * something is broken. @@ -1805,7 +1805,7 @@ validatezonekey(dns_validator_t *val) { * We have DS records. */ val->dsset = &val->frdataset; - if (val->frdataset.trust == dns_trust_pending && + if (DNS_TRUST_PENDING(val->frdataset.trust) && dns_rdataset_isassociated(&val->fsigrdataset)) { result = create_validator(val, @@ -1818,7 +1818,7 @@ validatezonekey(dns_validator_t *val) { if (result != ISC_R_SUCCESS) return (result); return (DNS_R_WAIT); - } else if (val->frdataset.trust == dns_trust_pending) { + } else if (DNS_TRUST_PENDING(val->frdataset.trust)) { /* * There should never be an unsigned DS. */ @@ -2667,7 +2667,7 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume) * There is no DS. If this is a delegation, * we maybe done. */ - if (val->frdataset.trust == dns_trust_pending) { + if (DNS_TRUST_PENDING(val->frdataset.trust)) { result = create_fetch(val, tname, dns_rdatatype_ds, dsfetched2, |