diff options
-rw-r--r-- | src/resolve/resolved-bus.c | 3 | ||||
-rw-r--r-- | src/resolve/resolved-dns-query.c | 29 | ||||
-rw-r--r-- | src/resolve/resolved-dns-query.h | 3 | ||||
-rw-r--r-- | src/resolve/resolved-dns-transaction.c | 30 | ||||
-rw-r--r-- | src/resolve/resolved-dns-transaction.h | 2 |
5 files changed, 39 insertions, 28 deletions
diff --git a/src/resolve/resolved-bus.c b/src/resolve/resolved-bus.c index cda16b4730..af08a0555d 100644 --- a/src/resolve/resolved-bus.c +++ b/src/resolve/resolved-bus.c @@ -61,7 +61,8 @@ static int reply_query_state(DnsQuery *q) { return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted"); case DNS_TRANSACTION_DNSSEC_FAILED: - return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "DNSSEC validation failed"); + return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "DNSSEC validation failed: %s", + dnssec_result_to_string(q->answer_dnssec_result)); case DNS_TRANSACTION_RCODE_FAILURE: { _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c index 7e4aee2a27..18d2d01bf2 100644 --- a/src/resolve/resolved-dns-query.c +++ b/src/resolve/resolved-dns-query.c @@ -986,6 +986,7 @@ fail: static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) { DnsTransactionState state = DNS_TRANSACTION_NO_SERVERS; bool has_authenticated = false, has_non_authenticated = false; + DnssecResult dnssec_result_authenticated = _DNSSEC_RESULT_INVALID, dnssec_result_non_authenticated = _DNSSEC_RESULT_INVALID; DnsTransaction *t; Iterator i; int r; @@ -1009,12 +1010,16 @@ static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) { dns_query_complete(q, DNS_TRANSACTION_RESOURCES); return; } + q->answer_rcode = t->answer_rcode; - if (t->answer_authenticated) + if (t->answer_authenticated) { has_authenticated = true; - else + dnssec_result_authenticated = t->answer_dnssec_result; + } else { has_non_authenticated = true; + dnssec_result_non_authenticated = t->answer_dnssec_result; + } state = DNS_TRANSACTION_SUCCESS; break; @@ -1031,22 +1036,26 @@ static void dns_query_accept(DnsQuery *q, DnsQueryCandidate *c) { /* Any kind of failure? Store the data away, * if there's nothing stored yet. */ - if (state != DNS_TRANSACTION_SUCCESS) { - - dns_answer_unref(q->answer); - q->answer = dns_answer_ref(t->answer); - q->answer_rcode = t->answer_rcode; + if (state == DNS_TRANSACTION_SUCCESS) + continue; - state = t->state; - } + dns_answer_unref(q->answer); + q->answer = dns_answer_ref(t->answer); + q->answer_rcode = t->answer_rcode; + q->answer_dnssec_result = t->answer_dnssec_result; + state = t->state; break; } } + if (state == DNS_TRANSACTION_SUCCESS) { + q->answer_authenticated = has_authenticated && !has_non_authenticated; + q->answer_dnssec_result = q->answer_authenticated ? dnssec_result_authenticated : dnssec_result_non_authenticated; + } + q->answer_protocol = c->scope->protocol; q->answer_family = c->scope->family; - q->answer_authenticated = has_authenticated && !has_non_authenticated; dns_search_domain_unref(q->answer_search_domain); q->answer_search_domain = dns_search_domain_ref(c->search_domain); diff --git a/src/resolve/resolved-dns-query.h b/src/resolve/resolved-dns-query.h index d7f96c3ca4..44edd5bfff 100644 --- a/src/resolve/resolved-dns-query.h +++ b/src/resolve/resolved-dns-query.h @@ -72,10 +72,11 @@ struct DnsQuery { /* Discovered data */ DnsAnswer *answer; int answer_rcode; + DnssecResult answer_dnssec_result; + bool answer_authenticated; DnsProtocol answer_protocol; int answer_family; DnsSearchDomain *answer_search_domain; - bool answer_authenticated; /* Bus client information */ sd_bus_message *request; diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 893ffa9ffe..9a4dcfd74a 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -129,7 +129,7 @@ int dns_transaction_new(DnsTransaction **ret, DnsScope *s, DnsResourceKey *key) t->dns_udp_fd = -1; t->answer_source = _DNS_TRANSACTION_SOURCE_INVALID; - t->dnssec_result = _DNSSEC_RESULT_INVALID; + t->answer_dnssec_result = _DNSSEC_RESULT_INVALID; t->key = dns_resource_key_ref(key); /* Find a fresh, unused transaction id */ @@ -463,7 +463,7 @@ static void dns_transaction_process_dnssec(DnsTransaction *t) { return; } - if (!IN_SET(t->dnssec_result, + if (!IN_SET(t->answer_dnssec_result, _DNSSEC_RESULT_INVALID, /* No DNSSEC validation enabled */ DNSSEC_VALIDATED, /* Answer is signed and validated successfully */ DNSSEC_UNSIGNED)) { /* Answer is right-fully unsigned */ @@ -1611,7 +1611,7 @@ void dns_transaction_notify(DnsTransaction *t, DnsTransaction *source) { return; fail: - t->dnssec_result = DNSSEC_FAILED_AUXILIARY; + t->answer_dnssec_result = DNSSEC_FAILED_AUXILIARY; dns_transaction_complete(t, DNS_TRANSACTION_DNSSEC_FAILED); } @@ -1852,12 +1852,12 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { return 0; /* Already validated */ - if (t->dnssec_result != _DNSSEC_RESULT_INVALID) + if (t->answer_dnssec_result != _DNSSEC_RESULT_INVALID) return 0; /* Our own stuff needs no validation */ if (IN_SET(t->answer_source, DNS_TRANSACTION_ZONE, DNS_TRANSACTION_TRUST_ANCHOR)) { - t->dnssec_result = DNSSEC_VALIDATED; + t->answer_dnssec_result = DNSSEC_VALIDATED; t->answer_authenticated = true; return 0; } @@ -1950,7 +1950,7 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { * to our question, and it * failed validation. That's * fatal. */ - t->dnssec_result = result; + t->answer_dnssec_result = result; return 0; } @@ -1999,12 +1999,12 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { if (flags & DNS_ANSWER_AUTHENTICATED) { /* The answer is fully authenticated, yay. */ - t->dnssec_result = DNSSEC_VALIDATED; + t->answer_dnssec_result = DNSSEC_VALIDATED; t->answer_rcode = DNS_RCODE_SUCCESS; t->answer_authenticated = true; } else { /* The answer is not fully authenticated. */ - t->dnssec_result = DNSSEC_UNSIGNED; + t->answer_dnssec_result = DNSSEC_UNSIGNED; t->answer_authenticated = false; } @@ -2021,7 +2021,7 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { case DNSSEC_NSEC_NXDOMAIN: /* NSEC proves the domain doesn't exist. Very good. */ log_debug("Proved NXDOMAIN via NSEC/NSEC3 for transaction %u (%s)", t->id, dns_transaction_key_string(t)); - t->dnssec_result = DNSSEC_VALIDATED; + t->answer_dnssec_result = DNSSEC_VALIDATED; t->answer_rcode = DNS_RCODE_NXDOMAIN; t->answer_authenticated = true; break; @@ -2029,7 +2029,7 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { case DNSSEC_NSEC_NODATA: /* NSEC proves that there's no data here, very good. */ log_debug("Proved NODATA via NSEC/NSEC3 for transaction %u (%s)", t->id, dns_transaction_key_string(t)); - t->dnssec_result = DNSSEC_VALIDATED; + t->answer_dnssec_result = DNSSEC_VALIDATED; t->answer_rcode = DNS_RCODE_SUCCESS; t->answer_authenticated = true; break; @@ -2037,7 +2037,7 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { case DNSSEC_NSEC_OPTOUT: /* NSEC3 says the data might not be signed */ log_debug("Data is NSEC3 opt-out via NSEC/NSEC3 for transaction %u (%s)", t->id, dns_transaction_key_string(t)); - t->dnssec_result = DNSSEC_UNSIGNED; + t->answer_dnssec_result = DNSSEC_UNSIGNED; t->answer_authenticated = false; break; @@ -2048,9 +2048,9 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { if (r < 0) return r; if (r > 0) - t->dnssec_result = DNSSEC_NO_SIGNATURE; + t->answer_dnssec_result = DNSSEC_NO_SIGNATURE; else { - t->dnssec_result = DNSSEC_UNSIGNED; + t->answer_dnssec_result = DNSSEC_UNSIGNED; t->answer_authenticated = false; } @@ -2058,12 +2058,12 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) { case DNSSEC_NSEC_UNSUPPORTED_ALGORITHM: /* We don't know the NSEC3 algorithm used? */ - t->dnssec_result = DNSSEC_UNSUPPORTED_ALGORITHM; + t->answer_dnssec_result = DNSSEC_UNSUPPORTED_ALGORITHM; break; case DNSSEC_NSEC_FOUND: /* NSEC says it needs to be there, but we couldn't find it? Bummer! */ - t->dnssec_result = DNSSEC_NSEC_MISMATCH; + t->answer_dnssec_result = DNSSEC_NSEC_MISMATCH; break; default: diff --git a/src/resolve/resolved-dns-transaction.h b/src/resolve/resolved-dns-transaction.h index a1a6ffed99..fea25aab09 100644 --- a/src/resolve/resolved-dns-transaction.h +++ b/src/resolve/resolved-dns-transaction.h @@ -65,7 +65,6 @@ struct DnsTransaction { char *key_string; DnsTransactionState state; - DnssecResult dnssec_result; uint16_t id; @@ -76,6 +75,7 @@ struct DnsTransaction { DnsAnswer *answer; int answer_rcode; + DnssecResult answer_dnssec_result; DnsTransactionSource answer_source; /* Indicates whether the primary answer is authenticated, |