switch (q->state) {
case DNS_QUERY_NO_SERVERS:
- return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "Not appropriate name servers or networks found");
+ return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");
case DNS_QUERY_TIMEOUT:
return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out");
case DNS_QUERY_FAILURE: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- assert(q->received);
-
- if (DNS_PACKET_RCODE(q->received) == 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(DNS_PACKET_RCODE(q->received));
+ rc = dns_rcode_to_string(q->answer_rcode);
if (!rc) {
- sprintf(p, "%i", DNS_PACKET_RCODE(q->received));
+ sprintf(p, "%i", q->answer_rcode);
rc = p;
}
assert(reply);
assert(rr);
- r = sd_bus_message_open_container(reply, 'r', "yayi");
+ r = sd_bus_message_open_container(reply, 'r', "iayi");
if (r < 0)
return r;
- if (rr->key.type == DNS_TYPE_A) {
- r = sd_bus_message_append(reply, "y", AF_INET);
+ 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 {
- r = sd_bus_message_append(reply, "y", AF_INET6);
+
+ } 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;
}
static void bus_method_resolve_hostname_complete(DnsQuery *q) {
- _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *cname = NULL;
+ _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *cname = NULL, *canonical = NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- unsigned i, n, added = 0;
- size_t answer_rindex;
- int r;
+ _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+ unsigned added = 0, i;
+ int r, ifindex;
assert(q);
goto finish;
}
- assert(q->received);
-
- r = dns_packet_skip_question(q->received);
- if (r < 0)
- goto parse_fail;
-
- answer_rindex = q->received->rindex;
-
r = sd_bus_message_new_method_return(q->request, &reply);
if (r < 0)
goto finish;
- r = sd_bus_message_open_container(reply, 'a', "(yayi)");
+ r = sd_bus_message_open_container(reply, 'a', "(iayi)");
if (r < 0)
goto finish;
- n = DNS_PACKET_ANCOUNT(q->received) +
- DNS_PACKET_NSCOUNT(q->received) +
- DNS_PACKET_ARCOUNT(q->received);
-
- for (i = 0; i < n; i++) {
- _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
-
- r = dns_packet_read_rr(q->received, &rr, NULL);
- if (r < 0)
- goto parse_fail;
+ answer = dns_answer_ref(q->answer);
+ ifindex = q->answer_ifindex;
- r = dns_query_matches_rr(q, rr);
+ 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, rr);
+ r = dns_question_matches_cname(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r > 0)
- cname = dns_resource_record_ref(rr);
+ cname = dns_resource_record_ref(answer->rrs[i]);
continue;
}
- r = append_address(reply, rr, q->received->ifindex);
+ r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
+ if (!canonical)
+ canonical = dns_resource_record_ref(answer->rrs[i]);
+
added ++;
}
if (added <= 0) {
if (!cname) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have RR of this type", q->request_hostname);
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of requested type", q->request_hostname);
goto finish;
}
/* This has a cname? Then update the query with the
* new cname. */
- r = dns_query_follow_cname(q, cname->cname.name);
+ r = dns_query_cname_redirect(q, cname->cname.name);
if (r < 0) {
if (r == -ELOOP)
r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop on '%s'", q->request_hostname);
/* Before we restart the query, let's see if any of
* the RRs we already got already answers our query */
- dns_packet_rewind(q->received, answer_rindex);
- for (i = 0; i < n; i++) {
- _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
-
- r = dns_packet_read_rr(q->received, &rr, NULL);
- if (r < 0)
- goto parse_fail;
-
- r = dns_query_matches_rr(q, rr);
+ 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, rr, q->received->ifindex);
+ r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
+ if (!canonical)
+ canonical = dns_resource_record_ref(answer->rrs[i]);
+
added++;
}
/* If we didn't find anything, then let's restart the
* query, this time with the cname */
if (added <= 0) {
- r = dns_query_start(q);
+ r = dns_query_go(q);
+ if (r == -ESRCH) {
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");
+ goto finish;
+ }
if (r < 0) {
r = sd_bus_reply_method_errno(q->request, -r, NULL);
goto finish;
if (r < 0)
goto finish;
+ /* Return the precise spelling and uppercasing reported by the server */
+ assert(canonical);
+ r = sd_bus_message_append(reply, "s", DNS_RESOURCE_KEY_NAME(canonical->key));
+ if (r < 0)
+ goto finish;
+
r = sd_bus_send(q->manager->bus, reply, NULL);
goto 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;
- uint8_t family;
- DnsResourceKey keys[2];
+ int family;
DnsQuery *q;
- unsigned n = 0;
int r;
assert(bus);
assert(message);
assert(m);
- r = sd_bus_message_read(message, "sy", &hostname, &family);
+ r = sd_bus_message_read(message, "si", &hostname, &family);
if (r < 0)
return r;
if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %u", family);
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);
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;
q->request_hostname = hostname;
q->complete = bus_method_resolve_hostname_complete;
- r = dns_query_start(q);
+ 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;
}
static void bus_method_resolve_address_complete(DnsQuery *q) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- unsigned i, n, added = 0;
+ _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
+ unsigned added = 0, i;
int r;
assert(q);
goto finish;
}
- assert(q->received);
-
- r = dns_packet_skip_question(q->received);
- if (r < 0)
- goto parse_fail;
-
r = sd_bus_message_new_method_return(q->request, &reply);
if (r < 0)
goto finish;
if (r < 0)
goto finish;
- n = DNS_PACKET_ANCOUNT(q->received) +
- DNS_PACKET_NSCOUNT(q->received) +
- DNS_PACKET_ARCOUNT(q->received);
+ answer = dns_answer_ref(q->answer);
- for (i = 0; i < n; i++) {
- _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
-
- r = dns_packet_read_rr(q->received, &rr, NULL);
- if (r < 0)
- goto parse_fail;
-
- r = dns_query_matches_rr(q, rr);
+ 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", rr->ptr.name);
+ r = sd_bus_message_append(reply, "s", answer->rrs[i]->ptr.name);
if (r < 0)
goto finish;
in_addr_to_string(q->request_family, &q->request_address, &ip);
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Address '%s' does not have RR of this type", ip);
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Address '%s' does not have any RR of requested type", ip);
goto 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;
- uint8_t family;
+ int family, ifindex;
const void *d;
- int ifindex;
DnsQuery *q;
size_t sz;
int r;
assert(message);
assert(m);
- r = sd_bus_message_read(message, "y", &family);
+ r = sd_bus_message_read(message, "i", &family);
if (r < 0)
return r;
if (!IN_SET(family, AF_INET, AF_INET6))
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %u", family);
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);
r = sd_bus_message_read_array(message, 'y', &d, &sz);
if (r < 0)
return r;
- if ((family == AF_INET && sz != sizeof(struct in_addr)) ||
- (family == AF_INET6 && sz != sizeof(struct in6_addr)))
+ if (sz != FAMILY_ADDRESS_SIZE(family))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size");
r = sd_bus_message_read(message, "i", &ifindex);
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;
memcpy(&q->request_address, d, sz);
q->complete = bus_method_resolve_address_complete;
- r = dns_query_start(q);
+ 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;
}
static const sd_bus_vtable resolve_vtable[] = {
SD_BUS_VTABLE_START(0),
- SD_BUS_METHOD("ResolveHostname", "sy", "a(yayi)", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
- SD_BUS_METHOD("ResolveAddress", "yayi", "as", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ResolveHostname", "si", "a(iayi)s", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("ResolveAddress", "iayi", "as", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_VTABLE_END,
};
~ianmdlvl / elogind.git / blobdiff