e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering#include "alloc-util.h"

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering#include "bus-common-errors.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "bus-util.h"

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include "dns-domain.h"

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include "resolved-bus.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "resolved-def.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int reply_query_state(DnsQuery *q) {

3c70e3bb022f0de3317f3600c9366a2f4597339eLennart Poettering _cleanup_free_ char *ip = NULL;

3c70e3bb022f0de3317f3600c9366a2f4597339eLennart Poettering const char *name;

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (q->request_address_valid) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = in_addr_to_string(q->request_family, &q->request_address, &ip);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack name = ip;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering } else

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering name = dns_question_first_name(q->question);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering switch (q->state) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering case DNS_TRANSACTION_NO_SERVERS:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_TIMEOUT:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering case DNS_TRANSACTION_ATTEMPTS_MAX_REACHED:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "All attempts to contact name servers or networks failed");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering case DNS_TRANSACTION_INVALID_REPLY:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_reply_method_errorf(q->request, BUS_ERROR_INVALID_REPLY, "Received invalid reply");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering case DNS_TRANSACTION_RESOURCES:

4f10118016f9b2fd7e1d26c9ef7d91eb33fba694Lennart Poettering return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_RESOURCES, "Not enough resources");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_ABORTED:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_DNSSEC_FAILED:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "DNSSEC validation failed: %s",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering dnssec_result_to_string(q->answer_dnssec_result));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_RCODE_FAILURE: {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (q->answer_rcode == DNS_RCODE_NXDOMAIN)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", name);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering const char *rc, *n;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering char p[3]; /* the rcode is 4 bits long */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering rc = dns_rcode_to_string(q->answer_rcode);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (!rc) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering sprintf(p, "%i", q->answer_rcode);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering rc = p;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n = strjoina(_BUS_ERROR_DNS, rc);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", name, rc);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_reply_method_error(q->request, &error);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_NULL:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case DNS_TRANSACTION_PENDING:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering case DNS_TRANSACTION_SUCCESS:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering default:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert_not_reached("Impossible state");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int append_address(sd_bus_message *reply, DnsResourceRecord *rr, int ifindex) {

a1e58e8ee1c84b633d6d6d651d5328d4dd4eba5bLennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(reply);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(rr);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_open_container(reply, 'r', "iiay");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append(reply, "i", ifindex);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (rr->key->type == DNS_TYPE_A) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append(reply, "i", AF_INET);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering } else if (rr->key->type == DNS_TYPE_AAAA) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append(reply, "i", AF_INET6);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering } else

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return -EAFNOSUPPORT;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

920b52e4909d9dc812817fd8b82f83ca23a11c91Thomas Hindoe Paaboel Andersen if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_close_container(reply);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen return 0;

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen}

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersenstatic void bus_method_resolve_hostname_complete(DnsQuery *q) {

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unsigned added = 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (q->state != DNS_TRANSACTION_SUCCESS) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = reply_query_state(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

b2c23da8cea1987a1a329f5a964d3299b7ca7890Lennart Poettering r = dns_query_process_cname(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == -ELOOP) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r > 0) /* This was a cname, and the query was restarted. */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_new_method_return(q->request, &reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(iiay)");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering goto finish;

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering if (q->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsResourceRecord *rr;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int ifindex;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_question_matches_rr(q->question, rr, DNS_SEARCH_DOMAIN_NAME(q->answer_search_domain));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack continue;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack r = append_address(reply, rr, ifindex);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack goto finish;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (!canonical)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack canonical = dns_resource_record_ref(rr);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack added ++;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (added <= 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_close_container(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* Return the precise spelling and uppercasing and CNAME target reported by the server */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(canonical);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append(

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering reply, "st",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_RESOURCE_KEY_NAME(canonical->key),

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_send(q->manager->bus, reply, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfinish:

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_error_errno(r, "Failed to send hostname reply: %m");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering sd_bus_reply_method_errno(q->request, r, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(q);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int check_ifindex_flags(int ifindex, uint64_t *flags, uint64_t ok, sd_bus_error *error) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(flags);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (ifindex < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (*flags & ~(SD_RESOLVED_PROTOCOLS_ALL|SD_RESOLVED_NO_CNAME|ok))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if ((*flags & SD_RESOLVED_PROTOCOLS_ALL) == 0) /* If no protocol is enabled, enable all */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering *flags |= SD_RESOLVED_PROTOCOLS_ALL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int bus_method_resolve_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Manager *m = userdata;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering const char *hostname;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int family, ifindex;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering uint64_t flags;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsQuery *q;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(message);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(m);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert_cc(sizeof(int) == sizeof(int32_t));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_read(message, "isit", &ifindex, &hostname, &family, &flags);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack r = dns_name_is_valid(hostname);

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_SEARCH, error);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_question_new_address(&question, family, hostname);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_new(m, &q, question, ifindex, flags);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering q->request = sd_bus_message_ref(message);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering q->request_family = family;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering q->complete = bus_method_resolve_hostname_complete;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_bus_track(q, message);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_go(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poetteringstatic void bus_method_resolve_address_complete(DnsQuery *q) {

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering DnsResourceRecord *rr;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering unsigned added = 0;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering int ifindex, r;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

cfa9677bd164574600d29a9bf99f9d1f28a7a170Mantas Mikulėnas assert(q);

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (q->state != DNS_TRANSACTION_SUCCESS) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = reply_query_state(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering }

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering r = dns_query_process_cname(q);

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering if (r == -ELOOP) {

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek goto finish;

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek if (r > 0) /* This was a cname, and the query was restarted. */

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_new_method_return(q->request, &reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

b2c23da8cea1987a1a329f5a964d3299b7ca7890Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(is)");

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek if (r < 0)

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt goto finish;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (q->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_question_matches_rr(q->question, rr, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append(reply, "(is)", ifindex, rr->ptr.name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering added ++;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (added <= 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_free_ char *ip = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering in_addr_to_string(q->request_family, &q->request_address, &ip);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Address '%s' does not have any RR of requested type", strna(ip));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_close_container(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

be847e82cf95bf8eb589778df2aa2b3d1d7ae99eLennart Poettering r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_send(q->manager->bus, reply, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfinish:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_error_errno(r, "Failed to send address reply: %m");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering sd_bus_reply_method_errno(q->request, r, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering dns_query_free(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int bus_method_resolve_address(sd_bus_message *message, void *userdata, sd_bus_error *error) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering Manager *m = userdata;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int family, ifindex;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering uint64_t flags;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering const void *d;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsQuery *q;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering size_t sz;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(message);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(m);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert_cc(sizeof(int) == sizeof(int32_t));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_read(message, "ii", &ifindex, &family);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!IN_SET(family, AF_INET, AF_INET6))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_read_array(message, 'y', &d, &sz);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (sz != FAMILY_ADDRESS_SIZE(family))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_read(message, "t", &flags);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = check_ifindex_flags(ifindex, &flags, 0, error);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_question_new_reverse(&question, family, d);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

ce30c8dcb41dfe9264f79f30c7f51c0e74576638Lennart Poettering

ce30c8dcb41dfe9264f79f30c7f51c0e74576638Lennart Poettering q->request = sd_bus_message_ref(message);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering q->request_family = family;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering memcpy(&q->request_address, d, sz);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering q->complete = bus_method_resolve_address_complete;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_bus_track(q, message);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_go(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt return 1;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfail:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering dns_query_free(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int bus_message_append_rr(sd_bus_message *m, DnsResourceRecord *rr, int ifindex) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(m);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(rr);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_open_container(m, 'r', "iqqay");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append(m, "iqq",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering ifindex,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering rr->key->class,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering rr->key->type);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_resource_record_to_wire_format(rr, false);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append_array(m, 'y', rr->wire_format, rr->wire_format_size);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_message_close_container(m);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void bus_method_resolve_record_complete(DnsQuery *q) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering unsigned added = 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

db2cb23b5b179707000d28a11efb3d888d06ee80Umut Tezduyar Lindskog

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (q->state != DNS_TRANSACTION_SUCCESS) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = reply_query_state(q);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_process_cname(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r == -ELOOP) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r > 0) /* Following a CNAME */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_new_method_return(q->request, &reply);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_open_container(reply, 'a', "(iqqay)");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (q->answer) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsResourceRecord *rr;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int ifindex;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_question_matches_rr(q->question, rr, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack goto finish;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (r == 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack continue;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack r = bus_message_append_rr(reply, rr, ifindex);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (r < 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack goto finish;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack added ++;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (added <= 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Name '%s' does not have any RR of the requested type", dns_question_first_name(q->question));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_close_container(reply);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_send(q->manager->bus, reply, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

8d0e0ddda6501479eb69164687c83c1a7667b33aJan Engelhardtfinish:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_error_errno(r, "Failed to send record reply: %m");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering sd_bus_reply_method_errno(q->request, r, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering dns_query_free(q);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int bus_method_resolve_record(sd_bus_message *message, void *userdata, sd_bus_error *error) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering Manager *m = userdata;

8d0e0ddda6501479eb69164687c83c1a7667b33aJan Engelhardt uint16_t class, type;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering const char *name;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r, ifindex;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering uint64_t flags;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsQuery *q;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(message);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(m);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert_cc(sizeof(int) == sizeof(int32_t));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_read(message, "isqqt", &ifindex, &name, &class, &type, &flags);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_name_is_valid(name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid name '%s'", name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!dns_type_is_valid_query(type))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid RR type for query %" PRIu16, type);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = check_ifindex_flags(ifindex, &flags, 0, error);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack question = dns_question_new(1);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (!question)

05a08cb60f02970e8476306074c70ee4e6a57fb3Thomas Hindoe Paaboel Andersen return -ENOMEM;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering key = dns_resource_key_new(class, type, name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!key)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering return -ENOMEM;

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering r = dns_question_add(question, key);

ff975efb2e88dcd5221a2f0d76c4c87e85b821a8Lennart Poettering if (r < 0)

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering return r;

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering q->request = sd_bus_message_ref(message);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering q->complete = bus_method_resolve_record_complete;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_bus_track(q, message);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_go(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsQuery *aux;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(rr);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(rr->key);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (rr->key->type != DNS_TYPE_SRV)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* First, let's see if we could find an appropriate A or AAAA

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack DnsResourceRecord *zz;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (aux->state != DNS_TRANSACTION_SUCCESS)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (aux->auxiliary_result != 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_ANSWER_FOREACH(zz, aux->answer) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_question_matches_rr(aux->question, zz, NULL);

82a2b6bb5e4e5d294f09af778c48974a7857afb6Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering canonical = dns_resource_record_ref(zz);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (canonical)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* Is there are successful A/AAAA lookup for this SRV RR? If not, don't add it */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (!canonical)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_open_container(reply, 'r', "qqqsa(iiay)s");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append(

82a2b6bb5e4e5d294f09af778c48974a7857afb6Lennart Poettering reply,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "qqqs",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering rr->srv.priority, rr->srv.weight, rr->srv.port, rr->srv.name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(iiay)");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsResourceRecord *zz;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int ifindex;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (aux->state != DNS_TRANSACTION_SUCCESS)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (aux->auxiliary_result != 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_ANSWER_FOREACH_IFINDEX(zz, ifindex, aux->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_question_matches_rr(aux->question, zz, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = append_address(reply, zz, ifindex);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering r = sd_bus_message_close_container(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* Note that above we appended the hostname as encoded in the

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append(reply, "s", canonical ? DNS_RESOURCE_KEY_NAME(canonical->key) : rr->srv.name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_close_container(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 1;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poetteringstatic int append_txt(sd_bus_message *reply, DnsResourceRecord *rr) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsTxtItem *i;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(rr);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(rr->key);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (rr->key->type != DNS_TYPE_TXT)

03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering LIST_FOREACH(items, i, rr->txt.items) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (i->length <= 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_append_array(reply, 'y', i->data, i->length);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void resolve_service_all_complete(DnsQuery *q) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_free_ char *name = NULL, *type = NULL, *domain = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsQuery *aux;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unsigned added = false;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering int r;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

94e15fdc4d9d96fa6607bfb4eaaea164a3aec417David Herrmann assert(q);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (q->block_all_complete > 0)

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack return;

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering DnsQuery *bad = NULL;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering bool have_success = false;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering switch (aux->state) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering case DNS_TRANSACTION_PENDING:

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering /* If an auxiliary query is still pending, let's wait */

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering return;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering case DNS_TRANSACTION_SUCCESS:

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (aux->auxiliary_result == 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering have_success = true;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering else

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering bad = aux;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering break;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering default:

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering bad = aux;

94e15fdc4d9d96fa6607bfb4eaaea164a3aec417David Herrmann break;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (!have_success) {

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering /* We can only return one error, hence pick the last error we encountered */

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering assert(bad);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (bad->state == DNS_TRANSACTION_SUCCESS) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering assert(bad->auxiliary_result != 0);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (bad->auxiliary_result == -ELOOP) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(bad->question));

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack }

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack r = bad->auxiliary_result;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering r = reply_query_state(bad);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = sd_bus_message_new_method_return(q->request, &reply);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r < 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "(qqqsa(iiay)s)");

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r < 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (q->answer) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering DnsResourceRecord *rr;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering DNS_ANSWER_FOREACH(rr, q->answer) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = dns_question_matches_rr(q->question, rr, NULL);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r < 0)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r == 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering continue;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = append_srv(q, reply, rr);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r < 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r == 0) /* not an SRV record */

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack continue;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (!canonical)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering canonical = dns_resource_record_ref(rr);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering added++;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (added <= 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_close_container(reply);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_open_container(reply, 'a', "ay");

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (q->answer) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering DnsResourceRecord *rr;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DNS_ANSWER_FOREACH(rr, q->answer) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_question_matches_rr(q->question, rr, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering continue;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = append_txt(reply, rr);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_close_container(reply);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(canonical);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_service_split(DNS_RESOURCE_KEY_NAME(canonical->key), &name, &type, &domain);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_message_append(

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering reply,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering "ssst",

deffddf1df29a5ed047feff3a0f2b765006fb71bLukas Nykryn name, type, domain,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering r = sd_bus_send(q->manager->bus, reply, NULL);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfinish:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_error_errno(r, "Failed to send service reply: %m");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering sd_bus_reply_method_errno(q->request, r, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering dns_query_free(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void resolve_service_hostname_complete(DnsQuery *q) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(q->auxiliary_for);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (q->state != DNS_TRANSACTION_SUCCESS) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering resolve_service_all_complete(q->auxiliary_for);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_process_cname(q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r > 0) /* This was a cname, and the query was restarted. */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* This auxiliary lookup is finished or failed, let's see if all are finished now. */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering q->auxiliary_result = r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering resolve_service_all_complete(q->auxiliary_for);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int resolve_service_hostname(DnsQuery *q, DnsResourceRecord *rr, int ifindex) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsQuery *aux;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(q);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering assert(rr);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(rr->key);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(rr->key->type == DNS_TYPE_SRV);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* OK, we found an SRV record for the service. Let's resolve

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_question_new_address(&question, q->request_family, rr->srv.name);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_new(q->manager, &aux, question, ifindex, q->flags|SD_RESOLVED_NO_SEARCH);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering aux->request_family = q->request_family;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering aux->complete = resolve_service_hostname_complete;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_query_make_auxiliary(aux, q);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r == -EAGAIN) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* Too many auxiliary lookups? If so, don't complain,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(aux);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* Note that auxiliary queries do not track the original bus

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_go(aux);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(aux);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void bus_method_resolve_service_complete(DnsQuery *q) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unsigned found = 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering assert(q);

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering if (q->state != DNS_TRANSACTION_SUCCESS) {

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering r = reply_query_state(q);

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering goto finish;

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_query_process_cname(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == -ELOOP) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r > 0) /* This was a cname, and the query was restarted. */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (q->answer) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DnsResourceRecord *rr;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int ifindex;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = dns_question_matches_rr(q->question, rr, NULL);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r == 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering continue;

1c2e9646e4a1720fc8ad35c705c195ae1a2c5ce0Lennart Poettering

d69a7ceaed77992105342a056fe68769c2e6d3bdJohannes Hölzl if (rr->key->type != DNS_TYPE_SRV)

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering continue;

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

d79acc309327f8c0863bd3da8b93d926a1c93ba1David Herrmann if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering q->block_all_complete ++;

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering r = resolve_service_hostname(q, rr, ifindex);

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering q->block_all_complete --;

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering found++;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (found <= 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto finish;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* Maybe we are already finished? check now... */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering resolve_service_all_complete(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfinish:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_error_errno(r, "Failed to send service reply: %m");

700ff4d97311902a440109a2c081731ab6ae8a20Lennart Poettering sd_bus_reply_method_errno(q->request, r, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering dns_query_free(q);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int bus_method_resolve_service(sd_bus_message *message, void *userdata, sd_bus_error *error) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering const char *name, *type, *domain, *joined;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_free_ char *n = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Manager *m = userdata;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int family, ifindex;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering uint64_t flags;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering DnsQuery *q;

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering int r;

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering assert(message);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(m);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert_cc(sizeof(int) == sizeof(int32_t));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = sd_bus_message_read(message, "isssit", &ifindex, &name, &type, &domain, &family, &flags);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (isempty(name))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering name = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (!dns_service_name_is_valid(name))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service name '%s'", name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (isempty(type))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering type = NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering else if (!dns_srv_type_is_valid(type))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid SRV service type '%s'", type);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_name_is_valid(domain);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r == 0)

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid domain '%s'", domain);

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (name && !type)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Service name cannot be specified without service type.");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_TXT|SD_RESOLVED_NO_ADDRESS, error);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (type) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* If the type is specified, we generate the full domain name to look up ourselves */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = dns_service_join(name, type, domain, &n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

joined = n;

} else

/* If no type is specified, we assume the domain

joined = domain;

r = dns_question_new_service(&question, joined, !(flags & SD_RESOLVED_NO_TXT));

if (r < 0)

return r;

r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);

if (r < 0)

return r;

q->request = sd_bus_message_ref(message);

q->request_family = family;

q->complete = bus_method_resolve_service_complete;

r = dns_query_bus_track(q, message);

if (r < 0)

goto fail;

r = dns_query_go(q);

if (r < 0)

goto fail;

return 1;

fail:

dns_query_free(q);

return r;

}

static int append_dns_server(sd_bus_message *reply, DnsServer *s) {

int r;

assert(reply);

assert(s);

r = sd_bus_message_open_container(reply, 'r', "iiay");

if (r < 0)

return r;

r = sd_bus_message_append(reply, "ii", s->link ? s->link->ifindex : 0, s->family);

if (r < 0)

return r;

r = sd_bus_message_append_array(reply, 'y', &s->address, FAMILY_ADDRESS_SIZE(s->family));

if (r < 0)

return r;

return sd_bus_message_close_container(reply);

}

static int bus_property_get_dns_servers(

sd_bus *bus,

const char *path,

const char *interface,

const char *property,

sd_bus_message *reply,

void *userdata,

sd_bus_error *error) {

Manager *m = userdata;

unsigned c = 0;

DnsServer *s;

Iterator i;

Link *l;

int r;

assert(reply);

assert(m);

r = sd_bus_message_open_container(reply, 'a', "(iiay)");

if (r < 0)

return r;

LIST_FOREACH(servers, s, m->dns_servers) {

r = append_dns_server(reply, s);

if (r < 0)

return r;

c++;

}

HASHMAP_FOREACH(l, m->links, i) {

LIST_FOREACH(servers, s, l->dns_servers) {

r = append_dns_server(reply, s);

if (r < 0)

return r;

c++;

}

}

if (c == 0) {

LIST_FOREACH(servers, s, m->fallback_dns_servers) {

r = append_dns_server(reply, s);

if (r < 0)

return r;

}

}

return sd_bus_message_close_container(reply);

}

static int bus_property_get_search_domains(

sd_bus *bus,

const char *path,

const char *interface,

const char *property,

sd_bus_message *reply,

void *userdata,

sd_bus_error *error) {

Manager *m = userdata;

DnsSearchDomain *d;

Iterator i;

Link *l;

int r;

assert(reply);

assert(m);

r = sd_bus_message_open_container(reply, 'a', "(is)");

if (r < 0)

return r;

LIST_FOREACH(domains, d, m->search_domains) {

r = sd_bus_message_append(reply, "(is)", 0, d->name);

if (r < 0)

return r;

}

HASHMAP_FOREACH(l, m->links, i) {

LIST_FOREACH(domains, d, l->search_domains) {

r = sd_bus_message_append(reply, "is", l->ifindex, d->name);

if (r < 0)

return r;

}

}

return sd_bus_message_close_container(reply);

}

static const sd_bus_vtable resolve_vtable[] = {

SD_BUS_VTABLE_START(0),

SD_BUS_PROPERTY("LLMNRHostname", "s", NULL, offsetof(Manager, llmnr_hostname), 0),

SD_BUS_PROPERTY("DNSServers", "a(iiay)", bus_property_get_dns_servers, 0, 0),

SD_BUS_PROPERTY("SearchDomains", "a(is)", bus_property_get_search_domains, 0, 0),

SD_BUS_METHOD("ResolveHostname", "isit", "a(iiay)st", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED),

SD_BUS_METHOD("ResolveAddress", "iiayt", "a(is)t", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED),

SD_BUS_METHOD("ResolveRecord", "isqqt", "a(iqqay)t", bus_method_resolve_record, SD_BUS_VTABLE_UNPRIVILEGED),

SD_BUS_METHOD("ResolveService", "isssit", "a(qqqsa(iiay)s)aayssst", bus_method_resolve_service, SD_BUS_VTABLE_UNPRIVILEGED),

SD_BUS_VTABLE_END,

};

static int on_bus_retry(sd_event_source *s, usec_t usec, void *userdata) {

Manager *m = userdata;

assert(s);

assert(m);

m->bus_retry_event_source = sd_event_source_unref(m->bus_retry_event_source);

manager_connect_bus(m);

return 0;

}

static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) {

Manager *m = userdata;

int b, r;

assert(message);

assert(m);

r = sd_bus_message_read(message, "b", &b);

if (r < 0) {

log_debug_errno(r, "Failed to parse PrepareForSleep signal: %m");

return 0;

}

if (b)

return 0;

log_debug("Coming back from suspend, verifying all RRs...");

manager_verify_all(m);

return 0;

}

int manager_connect_bus(Manager *m) {

int r;

assert(m);

if (m->bus)

return 0;

r = sd_bus_default_system(&m->bus);

if (r < 0) {

/* We failed to connect? Yuck, we must be in early

log_debug_errno(r, "Failed to connect to bus, trying again in 5s: %m");

r = sd_event_add_time(m->event, &m->bus_retry_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + 5*USEC_PER_SEC, 0, on_bus_retry, m);

if (r < 0)

return log_error_errno(r, "Failed to install bus reconnect time event: %m");

return 0;

}

r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/resolve1", "org.freedesktop.resolve1.Manager", resolve_vtable, m);

if (r < 0)

return log_error_errno(r, "Failed to register object: %m");

r = sd_bus_request_name(m->bus, "org.freedesktop.resolve1", 0);

if (r < 0)

return log_error_errno(r, "Failed to register name: %m");

r = sd_bus_attach_event(m->bus, m->event, 0);

if (r < 0)

return log_error_errno(r, "Failed to attach bus to event loop: %m");

r = sd_bus_add_match(m->bus, &m->prepare_for_sleep_slot,

"type='signal',"

"sender='org.freedesktop.login1',"

"interface='org.freedesktop.login1.Manager',"

"member='PrepareForSleep',"

"path='/org/freedesktop/login1'",

match_prepare_for_sleep,

m);

if (r < 0)

log_error_errno(r, "Failed to add match for PrepareForSleep: %m");

return 0;

}