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Diffstat (limited to 'src/resolve/resolved-dns-transaction.c')
-rw-r--r--src/resolve/resolved-dns-transaction.c71
1 files changed, 36 insertions, 35 deletions
diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c
index 396fce803c..3443f71976 100644
--- a/src/resolve/resolved-dns-transaction.c
+++ b/src/resolve/resolved-dns-transaction.c
@@ -113,7 +113,6 @@ DnsTransaction* dns_transaction_free(DnsTransaction *t) {
dns_answer_unref(t->validated_keys);
dns_resource_key_unref(t->key);
- free(t->key_string);
free(t);
return NULL;
@@ -238,6 +237,7 @@ static void dns_transaction_shuffle_id(DnsTransaction *t) {
static void dns_transaction_tentative(DnsTransaction *t, DnsPacket *p) {
_cleanup_free_ char *pretty = NULL;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
DnsZoneItem *z;
assert(t);
@@ -250,10 +250,10 @@ static void dns_transaction_tentative(DnsTransaction *t, DnsPacket *p) {
log_debug("Transaction %" PRIu16 " for <%s> on scope %s on %s/%s got tentative packet from %s.",
t->id,
- dns_transaction_key_string(t),
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str),
dns_protocol_to_string(t->scope->protocol),
t->scope->link ? t->scope->link->name : "*",
- t->scope->family == AF_UNSPEC ? "*" : af_to_name(t->scope->family),
+ af_to_name_short(t->scope->family),
pretty);
/* RFC 4795, Section 4.1 says that the peer with the
@@ -286,20 +286,24 @@ void dns_transaction_complete(DnsTransaction *t, DnsTransactionState state) {
DnsTransaction *d;
Iterator i;
const char *st;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
assert(t);
assert(!DNS_TRANSACTION_IS_LIVE(state));
- if (state == DNS_TRANSACTION_DNSSEC_FAILED)
+ if (state == DNS_TRANSACTION_DNSSEC_FAILED) {
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str);
+
log_struct(LOG_NOTICE,
LOG_MESSAGE_ID(SD_MESSAGE_DNSSEC_FAILURE),
- LOG_MESSAGE("DNSSEC validation failed for question %s: %s", dns_transaction_key_string(t), dnssec_result_to_string(t->answer_dnssec_result)),
+ LOG_MESSAGE("DNSSEC validation failed for question %s: %s", key_str, dnssec_result_to_string(t->answer_dnssec_result)),
"DNS_TRANSACTION=%" PRIu16, t->id,
- "DNS_QUESTION=%s", dns_transaction_key_string(t),
+ "DNS_QUESTION=%s", key_str,
"DNSSEC_RESULT=%s", dnssec_result_to_string(t->answer_dnssec_result),
"DNS_SERVER=%s", dns_server_string(t->server),
"DNS_SERVER_FEATURE_LEVEL=%s", dns_server_feature_level_to_string(t->server->possible_feature_level),
NULL);
+ }
/* Note that this call might invalidate the query. Callers
* should hence not attempt to access the query or transaction
@@ -312,10 +316,10 @@ void dns_transaction_complete(DnsTransaction *t, DnsTransactionState state) {
log_debug("Transaction %" PRIu16 " for <%s> on scope %s on %s/%s now complete with <%s> from %s (%s).",
t->id,
- dns_transaction_key_string(t),
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str),
dns_protocol_to_string(t->scope->protocol),
t->scope->link ? t->scope->link->name : "*",
- t->scope->family == AF_UNSPEC ? "*" : af_to_name(t->scope->family),
+ af_to_name_short(t->scope->family),
st,
t->answer_source < 0 ? "none" : dns_transaction_source_to_string(t->answer_source),
t->answer_authenticated ? "authenticated" : "unsigned");
@@ -1237,8 +1241,7 @@ static int dns_transaction_prepare(DnsTransaction *t, usec_t ts) {
* might be DS RRs, but we don't know
* them, and the DNS server won't tell
* them to us (and even if it would,
- * we couldn't validate it and trust
- * it). */
+ * we couldn't validate and trust them. */
dns_transaction_complete(t, DNS_TRANSACTION_NO_TRUST_ANCHOR);
return 0;
@@ -1425,6 +1428,7 @@ static int dns_transaction_make_packet(DnsTransaction *t) {
int dns_transaction_go(DnsTransaction *t) {
usec_t ts;
int r;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
assert(t);
@@ -1434,12 +1438,12 @@ int dns_transaction_go(DnsTransaction *t) {
if (r <= 0)
return r;
- log_debug("Excercising transaction %" PRIu16 " for <%s> on scope %s on %s/%s.",
+ log_debug("Transaction %" PRIu16 " for <%s> scope %s on %s/%s.",
t->id,
- dns_transaction_key_string(t),
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str),
dns_protocol_to_string(t->scope->protocol),
t->scope->link ? t->scope->link->name : "*",
- t->scope->family == AF_UNSPEC ? "*" : af_to_name(t->scope->family));
+ af_to_name_short(t->scope->family));
if (!t->initial_jitter_scheduled &&
(t->scope->protocol == DNS_PROTOCOL_LLMNR ||
@@ -1602,11 +1606,14 @@ static int dns_transaction_add_dnssec_transaction(DnsTransaction *t, DnsResource
if (r < 0)
return r;
if (r > 0) {
- log_debug("Detected potential cyclic dependency, refusing to add transaction %" PRIu16 " (%s) as dependency for %" PRIu16 " (%s).",
+ char s[DNS_RESOURCE_KEY_STRING_MAX], saux[DNS_RESOURCE_KEY_STRING_MAX];
+
+ log_debug("Potential cyclic dependency, refusing to add transaction %" PRIu16 " (%s) as dependency for %" PRIu16 " (%s).",
aux->id,
- strna(dns_transaction_key_string(aux)),
+ dns_resource_key_to_string(t->key, s, sizeof s),
t->id,
- strna(dns_transaction_key_string(t)));
+ dns_resource_key_to_string(aux->key, saux, sizeof saux));
+
return -ELOOP;
}
}
@@ -2316,6 +2323,7 @@ static int dns_transaction_requires_nsec(DnsTransaction *t) {
const char *name;
Iterator i;
int r;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
assert(t);
@@ -2342,7 +2350,8 @@ static int dns_transaction_requires_nsec(DnsTransaction *t) {
* exist, and we are in downgrade mode, hence ignore
* that fact that we didn't get any NSEC RRs.*/
- log_info("Detected a negative query %s in a private DNS zone, permitting unsigned response.", dns_transaction_key_string(t));
+ log_info("Detected a negative query %s in a private DNS zone, permitting unsigned response.",
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str));
return false;
}
@@ -2715,13 +2724,13 @@ static int dnssec_validate_records(
if (r < 0)
return r;
if (r > 0) {
- _cleanup_free_ char *s = NULL;
+ char s[DNS_RESOURCE_KEY_STRING_MAX];
/* The data is from a TLD that is proven not to exist, and we are in downgrade
* mode, hence ignore the fact that this was not signed. */
- (void) dns_resource_key_to_string(rr->key, &s);
- log_info("Detected RRset %s is in a private DNS zone, permitting unsigned RRs.", strna(s ? strstrip(s) : NULL));
+ log_info("Detected RRset %s is in a private DNS zone, permitting unsigned RRs.",
+ dns_resource_key_to_string(rr->key, s, sizeof s));
r = dns_answer_move_by_key(validated, &t->answer, rr->key, 0);
if (r < 0)
@@ -2805,6 +2814,7 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) {
Phase phase;
DnsAnswerFlags flags;
int r;
+ char key_str[DNS_RESOURCE_KEY_STRING_MAX];
assert(t);
@@ -2837,7 +2847,9 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) {
return 0;
}
- log_debug("Validating response from transaction %" PRIu16 " (%s).", t->id, dns_transaction_key_string(t));
+ log_debug("Validating response from transaction %" PRIu16 " (%s).",
+ t->id,
+ dns_resource_key_to_string(t->key, key_str, sizeof key_str));
/* First, see if this response contains any revoked trust
* anchors we care about */
@@ -2929,7 +2941,7 @@ 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));
+ log_debug("Proved NXDOMAIN via NSEC/NSEC3 for transaction %u (%s)", t->id, key_str);
t->answer_dnssec_result = DNSSEC_VALIDATED;
t->answer_rcode = DNS_RCODE_NXDOMAIN;
t->answer_authenticated = authenticated;
@@ -2939,7 +2951,7 @@ 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));
+ log_debug("Proved NODATA via NSEC/NSEC3 for transaction %u (%s)", t->id, key_str);
t->answer_dnssec_result = DNSSEC_VALIDATED;
t->answer_rcode = DNS_RCODE_SUCCESS;
t->answer_authenticated = authenticated;
@@ -2949,7 +2961,7 @@ 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));
+ log_debug("Data is NSEC3 opt-out via NSEC/NSEC3 for transaction %u (%s)", t->id, key_str);
t->answer_dnssec_result = DNSSEC_UNSIGNED;
t->answer_authenticated = false;
@@ -2994,17 +3006,6 @@ int dns_transaction_validate_dnssec(DnsTransaction *t) {
return 1;
}
-const char *dns_transaction_key_string(DnsTransaction *t) {
- assert(t);
-
- if (!t->key_string) {
- if (dns_resource_key_to_string(t->key, &t->key_string) < 0)
- return "n/a";
- }
-
- return strstrip(t->key_string);
-}
-
static const char* const dns_transaction_state_table[_DNS_TRANSACTION_STATE_MAX] = {
[DNS_TRANSACTION_NULL] = "null",
[DNS_TRANSACTION_PENDING] = "pending",
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-11 12:46:13 +0000