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Diffstat (limited to 'src/resolve/resolved-bus.c')
-rw-r--r--src/resolve/resolved-bus.c142
1 files changed, 81 insertions, 61 deletions
diff --git a/src/resolve/resolved-bus.c b/src/resolve/resolved-bus.c
index 5222cc81f1..1244b6dd07 100644
--- a/src/resolve/resolved-bus.c
+++ b/src/resolve/resolved-bus.c
@@ -59,21 +59,16 @@ static int reply_query_state(DnsQuery *q) {
case DNS_QUERY_FAILURE: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- int rcode;
- rcode = dns_query_get_rcode(q);
- if (rcode < 0)
- return rcode;
-
- if (rcode == DNS_RCODE_NXDOMAIN)
+ if (q->answer_rcode == DNS_RCODE_NXDOMAIN)
sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", name);
else {
const char *rc, *n;
char p[3]; /* the rcode is 4 bits long */
- rc = dns_rcode_to_string(rcode);
+ rc = dns_rcode_to_string(q->answer_rcode);
if (!rc) {
- sprintf(p, "%i", rcode);
+ sprintf(p, "%i", q->answer_rcode);
rc = p;
}
@@ -102,19 +97,22 @@ static int append_address(sd_bus_message *reply, DnsResourceRecord *rr, int ifin
if (r < 0)
return r;
- if (rr->key.type == DNS_TYPE_A) {
+ if (rr->key->type == DNS_TYPE_A) {
r = sd_bus_message_append(reply, "i", AF_INET);
if (r < 0)
return r;
r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr));
- } else {
+
+ } else if (rr->key->type == DNS_TYPE_AAAA) {
r = sd_bus_message_append(reply, "i", AF_INET6);
if (r < 0)
return r;
r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr));
- }
+ } else
+ return -EAFNOSUPPORT;
+
if (r < 0)
return r;
@@ -132,10 +130,9 @@ static int append_address(sd_bus_message *reply, DnsResourceRecord *rr, int ifin
static void bus_method_resolve_hostname_complete(DnsQuery *q) {
_cleanup_(dns_resource_record_unrefp) DnsResourceRecord *cname = NULL, *canonical = NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- DnsResourceRecord **rrs;
- unsigned added = 0;
- int ifindex;
- int r, n, i;
+ _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+ unsigned added = 0, i;
+ int r, ifindex;
assert(q);
@@ -144,10 +141,6 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
goto finish;
}
- n = dns_query_get_rrs(q, &rrs);
- if (n < 0)
- goto parse_fail;
-
r = sd_bus_message_new_method_return(q->request, &reply);
if (r < 0)
goto finish;
@@ -156,32 +149,31 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
if (r < 0)
goto finish;
- ifindex = dns_query_get_ifindex(q);
- if (ifindex < 0)
- ifindex = 0;
+ answer = dns_answer_ref(q->answer);
+ ifindex = q->answer_ifindex;
- for (i = 0; i < n; i++) {
- r = dns_query_matches_rr(q, rrs[i]);
+ for (i = 0; i < answer->n_rrs; i++) {
+ r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0) {
/* Hmm, if this is not an address record,
maybe it's a cname? If so, remember this */
- r = dns_query_matches_cname(q, rrs[i]);
+ r = dns_question_matches_cname(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r > 0)
- cname = dns_resource_record_ref(rrs[i]);
+ cname = dns_resource_record_ref(answer->rrs[i]);
continue;
}
- r = append_address(reply, rrs[i], ifindex);
+ r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
if (!canonical)
- canonical = dns_resource_record_ref(rrs[i]);
+ canonical = dns_resource_record_ref(answer->rrs[i]);
added ++;
}
@@ -206,19 +198,19 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
/* Before we restart the query, let's see if any of
* the RRs we already got already answers our query */
- for (i = 0; i < n; i++) {
- r = dns_query_matches_rr(q, rrs[i]);
+ for (i = 0; i < answer->n_rrs; i++) {
+ r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0)
continue;
- r = append_address(reply, rrs[i], ifindex);
+ r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
if (!canonical)
- canonical = dns_resource_record_ref(rrs[i]);
+ canonical = dns_resource_record_ref(answer->rrs[i]);
added++;
}
@@ -245,7 +237,7 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
/* Return the precise spelling and uppercasing reported by the server */
assert(canonical);
- r = sd_bus_message_append(reply, "s", canonical->key.name);
+ r = sd_bus_message_append(reply, "s", DNS_RESOURCE_KEY_NAME(canonical->key));
if (r < 0)
goto finish;
@@ -263,12 +255,11 @@ finish:
}
static int bus_method_resolve_hostname(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;
Manager *m = userdata;
const char *hostname;
int family;
- DnsResourceKey keys[2];
DnsQuery *q;
- unsigned n = 0;
int r;
assert(bus);
@@ -285,21 +276,35 @@ static int bus_method_resolve_hostname(sd_bus *bus, sd_bus_message *message, voi
if (!hostname_is_valid(hostname))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname);
+ question = dns_question_new(family == AF_UNSPEC ? 2 : 1);
+ if (!question)
+ return -ENOMEM;
+
if (family != AF_INET6) {
- keys[n].class = DNS_CLASS_IN;
- keys[n].type = DNS_TYPE_A;
- keys[n].name = (char*) hostname;
- n++;
+ _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
+
+ key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, hostname);
+ if (!key)
+ return -ENOMEM;
+
+ r = dns_question_add(question, key);
+ if (r < 0)
+ return r;
}
if (family != AF_INET) {
- keys[n].class = DNS_CLASS_IN;
- keys[n].type = DNS_TYPE_AAAA;
- keys[n].name = (char*) hostname;
- n++;
+ _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
+
+ key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_AAAA, hostname);
+ if (!key)
+ return -ENOMEM;
+
+ r = dns_question_add(question, key);
+ if (r < 0)
+ return r;
}
- r = dns_query_new(m, &q, keys, n);
+ r = dns_query_new(m, &q, question);
if (r < 0)
return r;
@@ -323,9 +328,9 @@ static int bus_method_resolve_hostname(sd_bus *bus, sd_bus_message *message, voi
static void bus_method_resolve_address_complete(DnsQuery *q) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- DnsResourceRecord **rrs;
- unsigned added = 0;
- int r, n, i;
+ _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+ unsigned added = 0, i;
+ int r;
assert(q);
@@ -334,10 +339,6 @@ static void bus_method_resolve_address_complete(DnsQuery *q) {
goto finish;
}
- n = dns_query_get_rrs(q, &rrs);
- if (n < 0)
- goto parse_fail;
-
r = sd_bus_message_new_method_return(q->request, &reply);
if (r < 0)
goto finish;
@@ -346,14 +347,16 @@ static void bus_method_resolve_address_complete(DnsQuery *q) {
if (r < 0)
goto finish;
- for (i = 0; i < n; i++) {
- r = dns_query_matches_rr(q, rrs[i]);
+ answer = dns_answer_ref(q->answer);
+
+ for (i = 0; i < answer->n_rrs; i++) {
+ r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0)
continue;
- r = sd_bus_message_append(reply, "s", rrs[i]->ptr.name);
+ r = sd_bus_message_append(reply, "s", answer->rrs[i]->ptr.name);
if (r < 0)
goto finish;
@@ -387,11 +390,12 @@ finish:
}
static int bus_method_resolve_address(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(dns_resource_key_free) DnsResourceKey key = {};
+ _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
+ _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;
+ _cleanup_free_ char *reverse = NULL;
Manager *m = userdata;
- int family;
+ int family, ifindex;
const void *d;
- int ifindex;
DnsQuery *q;
size_t sz;
int r;
@@ -420,13 +424,25 @@ static int bus_method_resolve_address(sd_bus *bus, sd_bus_message *message, void
if (ifindex < 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index");
- key.class = DNS_CLASS_IN;
- key.type = DNS_TYPE_PTR;
- r = dns_name_reverse(family, d, &key.name);
+ r = dns_name_reverse(family, d, &reverse);
+ if (r < 0)
+ return r;
+
+ question = dns_question_new(1);
+ if (!question)
+ return -ENOMEM;
+
+ key = dns_resource_key_new_consume(DNS_CLASS_IN, DNS_TYPE_PTR, reverse);
+ if (!key)
+ return -ENOMEM;
+
+ reverse = NULL;
+
+ r = dns_question_add(question, key);
if (r < 0)
return r;
- r = dns_query_new(m, &q, &key, 1);
+ r = dns_query_new(m, &q, question);
if (r < 0)
return r;
@@ -438,6 +454,10 @@ static int bus_method_resolve_address(sd_bus *bus, sd_bus_message *message, void
r = dns_query_go(q);
if (r < 0) {
dns_query_free(q);
+
+ if (r == -ESRCH)
+ sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");
+
return r;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 17:33:54 +0000