898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "alloc-util.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "bus-common-errors.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "bus-util.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "dns-domain.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "resolved-bus.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier#include "resolved-def.h"

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalierstatic int reply_query_state(DnsQuery *q) {

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier _cleanup_free_ char *ip = NULL;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier const char *name;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier int r;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier if (q->request_address_valid) {

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier r = in_addr_to_string(q->request_family, &q->request_address, &ip);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier if (r < 0)

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier return r;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier name = ip;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier } else

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier name = dns_question_first_name(q->question);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier switch (q->state) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer case DNS_TRANSACTION_NO_SERVERS:

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found");

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer case DNS_TRANSACTION_TIMEOUT:

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out");

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer case DNS_TRANSACTION_ATTEMPTS_MAX_REACHED:

b6f0c419e38a960873fe68bf8f89bbb0268eed02Harald Hoyer return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "All attempts to contact name servers or networks failed");

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier case DNS_TRANSACTION_INVALID_REPLY:

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier return sd_bus_reply_method_errorf(q->request, BUS_ERROR_INVALID_REPLY, "Received invalid reply");

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier case DNS_TRANSACTION_RESOURCES:

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_RESOURCES, "Not enough resources");

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier case DNS_TRANSACTION_ABORTED:

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted");

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

3486cb6cfa3d32a95c0daf02c7510fdf372507bfMartin Pitt case DNS_TRANSACTION_FAILURE: {

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier if (q->answer_rcode == DNS_RCODE_NXDOMAIN)

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", name);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier else {

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier const char *rc, *n;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier char p[3]; /* the rcode is 4 bits long */

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier rc = dns_rcode_to_string(q->answer_rcode);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier if (!rc) {

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier sprintf(p, "%i", q->answer_rcode);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier rc = p;

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier }

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier n = strjoina(_BUS_ERROR_DNS, rc);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", name, rc);

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier }

c6a77179a4097df355f0f04b8f3260c76b5e515cRonny Chevalier

8a8332f77e61d41f3bb28b8f929ed41e0ffaf721Zbigniew Jędrzejewski-Szmek return sd_bus_reply_method_error(q->request, &error);

8a8332f77e61d41f3bb28b8f929ed41e0ffaf721Zbigniew Jędrzejewski-Szmek }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier case DNS_TRANSACTION_NULL:

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier case DNS_TRANSACTION_PENDING:

8a8332f77e61d41f3bb28b8f929ed41e0ffaf721Zbigniew Jędrzejewski-Szmek case DNS_TRANSACTION_SUCCESS:

3486cb6cfa3d32a95c0daf02c7510fdf372507bfMartin Pitt default:

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert_not_reached("Impossible state");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier}

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierstatic int append_address(sd_bus_message *reply, DnsResourceRecord *rr, int ifindex) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(reply);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(rr);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_open_container(reply, 'r', "iiay");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append(reply, "i", ifindex);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (rr->key->type == DNS_TYPE_A) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append(reply, "i", AF_INET);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr));

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier } else if (rr->key->type == DNS_TYPE_AAAA) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append(reply, "i", AF_INET6);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr));

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier } else

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return -EAFNOSUPPORT;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

8a8332f77e61d41f3bb28b8f929ed41e0ffaf721Zbigniew Jędrzejewski-Szmek r = sd_bus_message_close_container(reply);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

2375607039517c88df51ef16ddbb624ec1c10654Kay Sievers return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return 0;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier}

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierstatic void bus_method_resolve_hostname_complete(DnsQuery *q) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier unsigned added = 0;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (q->state != DNS_TRANSACTION_SUCCESS) {

739d81ddd005fae2bb82edce5b8a6173c7c48b34Zbigniew Jędrzejewski-Szmek r = reply_query_state(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

b8667ee4162cd2510363602b417cecede9fd2ccaZbigniew Jędrzejewski-Szmek }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

739d81ddd005fae2bb82edce5b8a6173c7c48b34Zbigniew Jędrzejewski-Szmek r = dns_query_process_cname(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r == -ELOOP) {

edbced8a151c1b7ded685e2ec644950d2adec5f5Harald Hoyer 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));

edbced8a151c1b7ded685e2ec644950d2adec5f5Harald Hoyer goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

739d81ddd005fae2bb82edce5b8a6173c7c48b34Zbigniew Jędrzejewski-Szmek if (r > 0) /* This was a cname, and the query was restarted. */

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_new_method_return(q->request, &reply);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_open_container(reply, 'a', "(iiay)");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (q->answer) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier DnsResourceRecord *rr;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int ifindex;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = dns_question_matches_rr(q->question, rr);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r == 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier continue;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = append_address(reply, rr, ifindex);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (!canonical)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier canonical = dns_resource_record_ref(rr);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin added ++;

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin }

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin }

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin if (added <= 0) {

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin 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));

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin goto finish;

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin }

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin r = sd_bus_message_close_container(reply);

c7eda0133b6bf13a182337cbe8a61bf2faf9b32eEvgeny Vereshchagin if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier /* Return the precise spelling and uppercasing and CNAME target reported by the server */

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(canonical);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append(

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier reply, "st",

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier DNS_RESOURCE_KEY_NAME(canonical->key),

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family));

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_send(q->manager->bus, reply, NULL);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierfinish:

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier log_error_errno(r, "Failed to send hostname reply: %m");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier sd_bus_reply_method_errno(q->request, r, NULL);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier dns_query_free(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier}

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierstatic int check_ifindex_flags(int ifindex, uint64_t *flags, uint64_t ok, sd_bus_error *error) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(flags);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (ifindex < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (*flags & ~(SD_RESOLVED_PROTOCOLS_ALL|SD_RESOLVED_NO_CNAME|ok))

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if ((*flags & SD_RESOLVED_PROTOCOLS_ALL) == 0) /* If no protocol is enabled, enable all */

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier *flags |= SD_RESOLVED_PROTOCOLS_ALL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return 0;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier}

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierstatic int bus_method_resolve_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier Manager *m = userdata;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier const char *hostname;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int family, ifindex;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier uint64_t flags;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier DnsQuery *q;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(message);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(m);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert_cc(sizeof(int) == sizeof(int32_t));

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_read(message, "isit", &ifindex, &hostname, &family, &flags);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

4be4833ece2856e0cacc09f8f8b2c02b320751faMartin Pitt if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC))

7d023341c765c205068e33d23d63a4000ec211dfMartin Pitt return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

7d023341c765c205068e33d23d63a4000ec211dfMartin Pitt

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = dns_name_is_valid(hostname);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r == 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = check_ifindex_flags(ifindex, &flags, 0, error);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

cffae62bcb6912fbaf1b7b282d9d170c9d308897Martin Pitt return r;

99877b7e3782a51b31bf191825f0335500f52fe5Harald Hoyer

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = dns_question_new_address(&question, family, hostname);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

3486cb6cfa3d32a95c0daf02c7510fdf372507bfMartin Pitt

3486cb6cfa3d32a95c0daf02c7510fdf372507bfMartin Pitt r = dns_query_new(m, &q, question, ifindex, flags);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

e63b61be5350dbe92ea12e1eeb96dde251ed9292Evgeny Vereshchagin

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier q->request = sd_bus_message_ref(message);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier q->request_family = family;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier q->complete = bus_method_resolve_hostname_complete;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = dns_query_bus_track(q, message);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto fail;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = dns_query_go(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto fail;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return 1;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierfail:

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier dns_query_free(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier}

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalierstatic void bus_method_resolve_address_complete(DnsQuery *q) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier DnsResourceRecord *rr;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier unsigned added = 0;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier int ifindex, r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier assert(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (q->state != DNS_TRANSACTION_SUCCESS) {

25b47f96d9601ff566257b2a31bfb5f4bd25d661Marko Myllynen r = reply_query_state(q);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier /* We don't process CNAME for PTR lookups. */

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_new_method_return(q->request, &reply);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_open_container(reply, 'a', "(is)");

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (q->answer) {

53d90f9582f96208b3674da823ad1a3d2c3b1aa4Martin Pitt DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

5c404f1ab8e96efedb983806443ca982a1b2a372Evgeny Vereshchagin r = dns_question_matches_rr(q->question, rr);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r == 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier continue;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_append(reply, "(is)", ifindex, rr->ptr.name);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier added ++;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (added <= 0) {

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier _cleanup_free_ char *ip = NULL;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier in_addr_to_string(q->request_family, &q->request_address, &ip);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer 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));

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier goto finish;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier }

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_close_container(reply);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family));

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_send(q->manager->bus, reply, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfinish:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer log_error_errno(r, "Failed to send address reply: %m");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus_reply_method_errno(q->request, r, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer dns_query_free(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int bus_method_resolve_address(sd_bus_message *message, void *userdata, sd_bus_error *error) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Manager *m = userdata;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int family, ifindex;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer uint64_t flags;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const void *d;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsQuery *q;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer size_t sz;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(m);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert_cc(sizeof(int) == sizeof(int32_t));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_read(message, "ii", &ifindex, &family);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!IN_SET(family, AF_INET, AF_INET6))

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_read_array(message, 'y', &d, &sz);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (sz != FAMILY_ADDRESS_SIZE(family))

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_read(message, "t", &flags);

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier if (r < 0)

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier return r;

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = check_ifindex_flags(ifindex, &flags, 0, error);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_new_reverse(&question, family, d);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_new(m, &q, question, ifindex, flags);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer q->request = sd_bus_message_ref(message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer q->request_family = family;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer memcpy(&q->request_address, d, sz);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer q->complete = bus_method_resolve_address_complete;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_bus_track(q, message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto fail;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_go(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto fail;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 1;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfail:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer dns_query_free(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int bus_message_append_rr(sd_bus_message *m, DnsResourceRecord *rr, int ifindex) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer size_t start;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(m);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(m, 'r', "iqqay");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(m, "iqq",

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer ifindex,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer rr->key->class,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer rr->key->type);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer p->refuse_compression = true;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_packet_append_rr(p, rr, &start);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append_array(m, 'y', DNS_PACKET_DATA(p) + start, p->size - start);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_message_close_container(m);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic void bus_method_resolve_record_complete(DnsQuery *q) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer unsigned added = 0;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (q->state != DNS_TRANSACTION_SUCCESS) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = reply_query_state(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_process_cname(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == -ELOOP) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer 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));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r > 0) /* Following a CNAME */

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_new_method_return(q->request, &reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'a', "(iqqay)");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (q->answer) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer DnsResourceRecord *rr;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int ifindex;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_matches_rr(q->question, rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = bus_message_append_rr(reply, rr, ifindex);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer added ++;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (added <= 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer 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));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_send(q->manager->bus, reply, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfinish:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer log_error_errno(r, "Failed to send record reply: %m");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus_reply_method_errno(q->request, r, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer dns_query_free(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int bus_method_resolve_record(sd_bus_message *message, void *userdata, sd_bus_error *error) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Manager *m = userdata;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer uint16_t class, type;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const char *name;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r, ifindex;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer uint64_t flags;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsQuery *q;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(m);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert_cc(sizeof(int) == sizeof(int32_t));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_read(message, "isqqt", &ifindex, &name, &class, &type, &flags);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_name_is_valid(name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid name '%s'", name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = check_ifindex_flags(ifindex, &flags, 0, error);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer question = dns_question_new(1);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!question)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return -ENOMEM;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer key = dns_resource_key_new(class, type, name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!key)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return -ENOMEM;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_add(question, key);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_new(m, &q, question, ifindex, flags);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer q->request = sd_bus_message_ref(message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer q->complete = bus_method_resolve_record_complete;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_bus_track(q, message);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto fail;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_query_go(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto fail;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 1;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfail:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer dns_query_free(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsQuery *aux;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(rr->key);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (rr->key->type != DNS_TYPE_SRV)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 0;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer /* First, let's see if we could find an appropriate A or AAAA

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsResourceRecord *zz;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (aux->state != DNS_TRANSACTION_SUCCESS)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (aux->auxiliary_result != 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DNS_ANSWER_FOREACH(zz, aux->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_matches_rr(aux->question, zz);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer canonical = dns_resource_record_ref(zz);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer break;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (canonical)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer break;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer /* Is there are successful A/AAAA lookup for this SRV RR? If not, don't add it */

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!canonical)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 0;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'r', "qqqsa(iiay)s");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer reply,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer "qqqs",

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer rr->srv.priority, rr->srv.weight, rr->srv.port, rr->srv.name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'a', "(iiay)");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsResourceRecord *zz;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int ifindex;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (aux->state != DNS_TRANSACTION_SUCCESS)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (aux->auxiliary_result != 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DNS_ANSWER_FOREACH_IFINDEX(zz, ifindex, aux->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_matches_rr(aux->question, zz);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_address(reply, zz, ifindex);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer /* Note that above we appended the hostname as encoded in the

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(reply, "s", canonical ? DNS_RESOURCE_KEY_NAME(canonical->key) : rr->srv.name);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 1;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int append_txt(sd_bus_message *reply, DnsResourceRecord *rr) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsTxtItem *i;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(rr->key);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (rr->key->type != DNS_TYPE_TXT)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 0;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(items, i, rr->txt.items) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (i->length <= 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append_array(reply, 'y', i->data, i->length);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 1;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic void resolve_service_all_complete(DnsQuery *q) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer _cleanup_free_ char *name = NULL, *type = NULL, *domain = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsQuery *aux;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer unsigned added = false;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (q->block_all_complete > 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsQuery *bad = NULL;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer bool have_success = false;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer switch (aux->state) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer case DNS_TRANSACTION_PENDING:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer /* If an auxiliary query is still pending, let's wait */

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer case DNS_TRANSACTION_SUCCESS:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (aux->auxiliary_result == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer have_success = true;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer else

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer bad = aux;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer break;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer default:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer bad = aux;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer break;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!have_success) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer /* We can only return one error, hence pick the last error we encountered */

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(bad);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (bad->state == DNS_TRANSACTION_SUCCESS) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(bad->auxiliary_result != 0);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (bad->auxiliary_result == -ELOOP) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer 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));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = bad->auxiliary_result;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = reply_query_state(bad);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_new_method_return(q->request, &reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'a', "(qqqsa(iiay)s)");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (q->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsResourceRecord *rr;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DNS_ANSWER_FOREACH(rr, q->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_matches_rr(q->question, rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_srv(q, reply, rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0) /* not an SRV record */

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (!canonical)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer canonical = dns_resource_record_ref(rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer added++;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (added <= 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer 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));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'a', "ay");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (q->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsResourceRecord *rr;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DNS_ANSWER_FOREACH(rr, q->answer) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_question_matches_rr(q->question, rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r == 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer continue;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_txt(reply, rr);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(canonical);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = dns_service_split(DNS_RESOURCE_KEY_NAME(canonical->key), &name, &type, &domain);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer reply,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer "ssst",

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer name, type, domain,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer goto finish;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_send(q->manager->bus, reply, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfinish:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer log_error_errno(r, "Failed to send service reply: %m");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus_reply_method_errno(q->request, r, NULL);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer dns_query_free(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer}

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerstatic void resolve_service_hostname_complete(DnsQuery *q) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(q->auxiliary_for);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (q->state != DNS_TRANSACTION_SUCCESS) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer resolve_service_all_complete(q->auxiliary_for);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_process_cname(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r > 0) /* This was a cname, and the query was restarted. */

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* This auxiliary lookup is finished or failed, let's see if all are finished now. */

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->auxiliary_result = r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer resolve_service_all_complete(q->auxiliary_for);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer}

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerstatic int resolve_service_hostname(DnsQuery *q, DnsResourceRecord *rr, int ifindex) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer DnsQuery *aux;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(rr);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(rr->key);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(rr->key->type == DNS_TYPE_SRV);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* OK, we found an SRV record for the service. Let's resolve

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_question_new_address(&question, q->request_family, rr->srv.name);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_new(q->manager, &aux, question, ifindex, q->flags);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer aux->request_family = q->request_family;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer aux->complete = resolve_service_hostname_complete;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_make_auxiliary(aux, q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r == -EAGAIN) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* Too many auxiliary lookups? If so, don't complain,

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer dns_query_free(aux);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return 0;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto fail;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* Note that auxiliary queries do not track the original bus

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_go(aux);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto fail;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return 1;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerfail:

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer dns_query_free(aux);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer}

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerstatic void bus_method_resolve_service_complete(DnsQuery *q) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer unsigned found = 0;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

c53158818d8cdaf46b3f1b5299b9bda118a1043fThomas Hindoe Paaboel Andersen if (q->state != DNS_TRANSACTION_SUCCESS) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = reply_query_state(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_process_cname(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r == -ELOOP) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer 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));

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r > 0) /* This was a cname, and the query was restarted. */

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (q->answer) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer DnsResourceRecord *rr;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int ifindex;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_question_matches_rr(q->question, rr);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r == 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer continue;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (rr->key->type != DNS_TYPE_SRV)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer continue;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->block_all_complete ++;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = resolve_service_hostname(q, rr, ifindex);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->block_all_complete --;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer found++;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (found <= 0) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer 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));

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto finish;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* Maybe we are already finished? check now... */

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer resolve_service_all_complete(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerfinish:

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer log_error_errno(r, "Failed to send service reply: %m");

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer sd_bus_reply_method_errno(q->request, r, NULL);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer dns_query_free(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer}

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyerstatic int bus_method_resolve_service(sd_bus_message *message, void *userdata, sd_bus_error *error) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer const char *name, *type, *domain, *joined;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer _cleanup_free_ char *n = NULL;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer Manager *m = userdata;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int family, ifindex;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer uint64_t flags;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer DnsQuery *q;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer int r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(message);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert(m);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer assert_cc(sizeof(int) == sizeof(int32_t));

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = sd_bus_message_read(message, "isssit", &ifindex, &name, &type, &domain, &family, &flags);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC))

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (isempty(name))

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer name = NULL;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer else {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (!dns_service_name_is_valid(name))

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service name '%s'", name);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (isempty(type))

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer type = NULL;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer else {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_srv_type_verify(type);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r == 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid SRV service type '%s'", type);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer }

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_name_is_valid(domain);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r == 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid domain '%s'", domain);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (name && !type)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Service name cannot be specified without service type.");

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_TXT|SD_RESOLVED_NO_ADDRESS, error);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (type) {

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* If the type is specified, we generate the full domain name to look up ourselves */

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_service_join(name, type, domain, &n);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer joined = n;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer } else

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer /* If no type is specified, we assume the domain

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer joined = domain;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_question_new_service(&question, joined, !(flags & SD_RESOLVED_NO_TXT));

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_new(m, &q, question, ifindex, flags);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer return r;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->request = sd_bus_message_ref(message);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->request_family = family;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer q->complete = bus_method_resolve_service_complete;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_bus_track(q, message);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto fail;

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer r = dns_query_go(q);

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer if (r < 0)

0d6e798a784ef0ba6b95512e4453067b2f84a91aHarald Hoyer goto fail;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return 1;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerfail:

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer dns_query_free(q);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int append_dns_server(sd_bus_message *reply, DnsServer *s) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(s);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_open_container(reply, 'r', "iiay");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append(reply, "ii", s->link ? s->link->ifindex : 0, s->family);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = sd_bus_message_append_array(reply, 'y', &s->address, FAMILY_ADDRESS_SIZE(s->family));

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_message_close_container(reply);

1ecf6a2b4960229ad1d06c591b4776ddf065e834Harald Hoyer}

1ecf6a2b4960229ad1d06c591b4776ddf065e834Harald Hoyer

1ecf6a2b4960229ad1d06c591b4776ddf065e834Harald Hoyerstatic int bus_property_get_dns_servers(

1ecf6a2b4960229ad1d06c591b4776ddf065e834Harald Hoyer sd_bus *bus,

1ecf6a2b4960229ad1d06c591b4776ddf065e834Harald Hoyer const char *path,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const char *interface,

33a5e20ffaa2cbb2853f14265566bac66a7f9026Harald Hoyer const char *property,

33a5e20ffaa2cbb2853f14265566bac66a7f9026Harald Hoyer sd_bus_message *reply,

33a5e20ffaa2cbb2853f14265566bac66a7f9026Harald Hoyer void *userdata,

33a5e20ffaa2cbb2853f14265566bac66a7f9026Harald Hoyer sd_bus_error *error) {

33a5e20ffaa2cbb2853f14265566bac66a7f9026Harald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Manager *m = userdata;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer unsigned c = 0;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsServer *s;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Iterator i;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Link *l;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer assert(m);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

889a90422dd47284dffa32b9234a6e58991b000cRonny Chevalier r = sd_bus_message_open_container(reply, 'a', "(iiay)");

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(servers, s, m->dns_servers) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_dns_server(reply, s);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer c++;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer HASHMAP_FOREACH(l, m->links, i) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(servers, s, l->dns_servers) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_dns_server(reply, s);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer c++;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (c == 0) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer LIST_FOREACH(servers, s, m->fallback_dns_servers) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer r = append_dns_server(reply, s);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer if (r < 0)

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer }

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer return sd_bus_message_close_container(reply);

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer}

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyerstatic int bus_property_get_search_domains(

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus *bus,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const char *path,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const char *interface,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer const char *property,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus_message *reply,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer void *userdata,

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer sd_bus_error *error) {

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Manager *m = userdata;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer DnsSearchDomain *d;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Iterator i;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer Link *l;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer int r;

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer

898720b7e9cf3bdf7a93e435cbed5dd6942ecf9bHarald Hoyer 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;

}