| /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2014 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include "bus-errors.h" |
| #include "bus-util.h" |
| |
| #include "resolved-dns-domain.h" |
| #include "resolved-bus.h" |
| #include "resolved-def.h" |
| |
| static int reply_query_state(DnsQuery *q) { |
| _cleanup_free_ char *ip = NULL; |
| const char *name; |
| int r; |
| |
| if (q->request_hostname) |
| name = q->request_hostname; |
| else { |
| r = in_addr_to_string(q->request_family, &q->request_address, &ip); |
| if (r < 0) |
| return r; |
| |
| name = ip; |
| } |
| |
| switch (q->state) { |
| |
| case DNS_TRANSACTION_NO_SERVERS: |
| return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
| |
| case DNS_TRANSACTION_TIMEOUT: |
| return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out"); |
| |
| case DNS_TRANSACTION_ATTEMPTS_MAX_REACHED: |
| return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "All attempts to contact name servers or networks failed"); |
| |
| case DNS_TRANSACTION_INVALID_REPLY: |
| return sd_bus_reply_method_errorf(q->request, BUS_ERROR_INVALID_REPLY, "Received invalid reply"); |
| |
| case DNS_TRANSACTION_RESOURCES: |
| return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_RESOURCES, "Not enough resources"); |
| |
| case DNS_TRANSACTION_ABORTED: |
| return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted"); |
| |
| case DNS_TRANSACTION_FAILURE: { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| |
| if (q->answer_rcode == DNS_RCODE_NXDOMAIN) |
| sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", name); |
| else { |
| const char *rc, *n; |
| char p[3]; /* the rcode is 4 bits long */ |
| |
| rc = dns_rcode_to_string(q->answer_rcode); |
| if (!rc) { |
| sprintf(p, "%i", q->answer_rcode); |
| rc = p; |
| } |
| |
| n = strappenda(_BUS_ERROR_DNS, rc); |
| sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", name, rc); |
| } |
| |
| return sd_bus_reply_method_error(q->request, &error); |
| } |
| |
| case DNS_TRANSACTION_NULL: |
| case DNS_TRANSACTION_PENDING: |
| case DNS_TRANSACTION_SUCCESS: |
| default: |
| assert_not_reached("Impossible state"); |
| } |
| } |
| |
| static int append_address(sd_bus_message *reply, DnsResourceRecord *rr) { |
| int r; |
| |
| assert(reply); |
| assert(rr); |
| |
| r = sd_bus_message_open_container(reply, 'r', "iay"); |
| if (r < 0) |
| return r; |
| |
| if (rr->key->type == DNS_TYPE_A) { |
| r = sd_bus_message_append(reply, "i", AF_INET); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr)); |
| |
| } else if (rr->key->type == DNS_TYPE_AAAA) { |
| r = sd_bus_message_append(reply, "i", AF_INET6); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr)); |
| } else |
| return -EAFNOSUPPORT; |
| |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static void bus_method_resolve_hostname_complete(DnsQuery *q) { |
| _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *cname = NULL, *canonical = NULL; |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| unsigned added = 0, i; |
| int r; |
| |
| assert(q); |
| |
| if (q->state != DNS_TRANSACTION_SUCCESS) { |
| r = reply_query_state(q); |
| goto finish; |
| } |
| |
| r = sd_bus_message_new_method_return(q->request, &reply); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "i", q->answer_ifindex); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_open_container(reply, 'a', "(iay)"); |
| if (r < 0) |
| goto finish; |
| |
| if (q->answer) { |
| answer = dns_answer_ref(q->answer); |
| |
| for (i = 0; i < answer->n_rrs; i++) { |
| r = dns_question_matches_rr(q->question, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| if (r == 0) { |
| /* Hmm, if this is not an address record, |
| maybe it's a cname? If so, remember this */ |
| r = dns_question_matches_cname(q->question, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| if (r > 0) |
| cname = dns_resource_record_ref(answer->rrs[i]); |
| |
| continue; |
| } |
| |
| r = append_address(reply, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| |
| if (!canonical) |
| canonical = dns_resource_record_ref(answer->rrs[i]); |
| |
| added ++; |
| } |
| } |
| |
| if (added <= 0) { |
| if (!cname) { |
| r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of requested type", q->request_hostname); |
| goto finish; |
| } |
| |
| /* This has a cname? Then update the query with the |
| * new cname. */ |
| r = dns_query_cname_redirect(q, cname->cname.name); |
| if (r < 0) { |
| if (r == -ELOOP) |
| r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop on '%s'", q->request_hostname); |
| else |
| r = sd_bus_reply_method_errno(q->request, -r, NULL); |
| |
| goto finish; |
| } |
| |
| /* Before we restart the query, let's see if any of |
| * the RRs we already got already answers our query */ |
| for (i = 0; i < answer->n_rrs; i++) { |
| r = dns_question_matches_rr(q->question, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| if (r == 0) |
| continue; |
| |
| r = append_address(reply, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| |
| if (!canonical) |
| canonical = dns_resource_record_ref(answer->rrs[i]); |
| |
| added++; |
| } |
| |
| /* If we didn't find anything, then let's restart the |
| * query, this time with the cname */ |
| if (added <= 0) { |
| r = dns_query_go(q); |
| if (r == -ESRCH) { |
| r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
| goto finish; |
| } |
| if (r < 0) { |
| r = sd_bus_reply_method_errno(q->request, -r, NULL); |
| goto finish; |
| } |
| |
| return; |
| } |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| goto finish; |
| |
| /* Return the precise spelling and uppercasing reported by the server */ |
| assert(canonical); |
| r = sd_bus_message_append(reply, "st", DNS_RESOURCE_KEY_NAME(canonical->key), SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family)); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_send(q->manager->bus, reply, NULL); |
| |
| finish: |
| if (r < 0) { |
| log_error("Failed to send hostname reply: %s", strerror(-r)); |
| sd_bus_reply_method_errno(q->request, -r, NULL); |
| } |
| |
| dns_query_free(q); |
| } |
| |
| static int check_ifindex_flags(int ifindex, uint64_t *flags, sd_bus_error *error) { |
| assert(flags); |
| |
| if (ifindex < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index"); |
| |
| if (*flags & ~SD_RESOLVED_FLAGS_ALL) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter"); |
| |
| if (*flags == 0) |
| *flags = SD_RESOLVED_FLAGS_DEFAULT; |
| |
| return 0; |
| } |
| |
| static int bus_method_resolve_hostname(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; |
| Manager *m = userdata; |
| const char *hostname; |
| int family, ifindex; |
| uint64_t flags; |
| DnsQuery *q; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "isit", &ifindex, &hostname, &family, &flags); |
| if (r < 0) |
| return r; |
| |
| if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); |
| |
| r = dns_name_normalize(hostname, NULL); |
| if (r < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname); |
| |
| r = check_ifindex_flags(ifindex, &flags, error); |
| if (r < 0) |
| return r; |
| |
| question = dns_question_new(family == AF_UNSPEC ? 2 : 1); |
| if (!question) |
| return -ENOMEM; |
| |
| if (family != AF_INET6) { |
| _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; |
| |
| key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, hostname); |
| if (!key) |
| return -ENOMEM; |
| |
| r = dns_question_add(question, key); |
| if (r < 0) |
| return r; |
| } |
| |
| if (family != AF_INET) { |
| _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; |
| |
| key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_AAAA, hostname); |
| if (!key) |
| return -ENOMEM; |
| |
| r = dns_question_add(question, key); |
| if (r < 0) |
| return r; |
| } |
| |
| r = dns_query_new(m, &q, question, ifindex, flags); |
| if (r < 0) |
| return r; |
| |
| q->request = sd_bus_message_ref(message); |
| q->request_family = family; |
| q->request_hostname = hostname; |
| q->complete = bus_method_resolve_hostname_complete; |
| |
| r = dns_query_bus_track(q, bus, message); |
| if (r < 0) |
| return r; |
| |
| r = dns_query_go(q); |
| if (r < 0) { |
| dns_query_free(q); |
| |
| if (r == -ESRCH) |
| sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
| |
| return r; |
| } |
| |
| return 1; |
| } |
| |
| static void bus_method_resolve_address_complete(DnsQuery *q) { |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| unsigned added = 0, i; |
| int r; |
| |
| assert(q); |
| |
| if (q->state != DNS_TRANSACTION_SUCCESS) { |
| r = reply_query_state(q); |
| goto finish; |
| } |
| |
| r = sd_bus_message_new_method_return(q->request, &reply); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "i", q->answer_ifindex); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_open_container(reply, 'a', "s"); |
| if (r < 0) |
| goto finish; |
| |
| if (q->answer) { |
| answer = dns_answer_ref(q->answer); |
| |
| for (i = 0; i < answer->n_rrs; i++) { |
| r = dns_question_matches_rr(q->question, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| if (r == 0) |
| continue; |
| |
| r = sd_bus_message_append(reply, "s", answer->rrs[i]->ptr.name); |
| if (r < 0) |
| goto finish; |
| |
| added ++; |
| } |
| } |
| |
| if (added <= 0) { |
| _cleanup_free_ char *ip = NULL; |
| |
| in_addr_to_string(q->request_family, &q->request_address, &ip); |
| |
| r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Address '%s' does not have any RR of requested type", ip); |
| goto finish; |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family)); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_send(q->manager->bus, reply, NULL); |
| |
| finish: |
| if (r < 0) { |
| log_error("Failed to send address reply: %s", strerror(-r)); |
| sd_bus_reply_method_errno(q->request, -r, NULL); |
| } |
| |
| dns_query_free(q); |
| } |
| |
| static int bus_method_resolve_address(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; |
| _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; |
| _cleanup_free_ char *reverse = NULL; |
| Manager *m = userdata; |
| int family, ifindex; |
| uint64_t flags; |
| const void *d; |
| DnsQuery *q; |
| size_t sz; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "ii", &ifindex, &family); |
| if (r < 0) |
| return r; |
| |
| if (!IN_SET(family, AF_INET, AF_INET6)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); |
| |
| r = sd_bus_message_read_array(message, 'y', &d, &sz); |
| if (r < 0) |
| return r; |
| |
| if (sz != FAMILY_ADDRESS_SIZE(family)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); |
| |
| r = sd_bus_message_read(message, "t", &flags); |
| if (r < 0) |
| return r; |
| |
| r = check_ifindex_flags(ifindex, &flags, error); |
| if (r < 0) |
| return r; |
| |
| r = dns_name_reverse(family, d, &reverse); |
| if (r < 0) |
| return r; |
| |
| question = dns_question_new(1); |
| if (!question) |
| return -ENOMEM; |
| |
| key = dns_resource_key_new_consume(DNS_CLASS_IN, DNS_TYPE_PTR, reverse); |
| if (!key) |
| return -ENOMEM; |
| |
| reverse = NULL; |
| |
| r = dns_question_add(question, key); |
| if (r < 0) |
| return r; |
| |
| r = dns_query_new(m, &q, question, ifindex, flags); |
| if (r < 0) |
| return r; |
| |
| q->request = sd_bus_message_ref(message); |
| q->request_family = family; |
| memcpy(&q->request_address, d, sz); |
| q->complete = bus_method_resolve_address_complete; |
| |
| r = dns_query_bus_track(q, bus, message); |
| if (r < 0) |
| return r; |
| |
| r = dns_query_go(q); |
| if (r < 0) { |
| dns_query_free(q); |
| |
| if (r == -ESRCH) |
| sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
| |
| return r; |
| } |
| |
| return 1; |
| } |
| |
| static void bus_method_resolve_record_complete(DnsQuery *q) { |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| _cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL; |
| unsigned added = 0, i; |
| int r; |
| |
| assert(q); |
| |
| if (q->state != DNS_TRANSACTION_SUCCESS) { |
| r = reply_query_state(q); |
| goto finish; |
| } |
| |
| r = sd_bus_message_new_method_return(q->request, &reply); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "i", q->answer_ifindex); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_open_container(reply, 'a', "(qqay)"); |
| if (r < 0) |
| goto finish; |
| |
| if (q->answer) { |
| answer = dns_answer_ref(q->answer); |
| |
| for (i = 0; i < answer->n_rrs; i++) { |
| _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL; |
| size_t start; |
| |
| r = dns_question_matches_rr(q->question, answer->rrs[i]); |
| if (r < 0) |
| goto finish; |
| if (r == 0) |
| continue; |
| |
| r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0); |
| if (r < 0) |
| goto finish; |
| |
| r = dns_packet_append_rr(p, answer->rrs[i], &start); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_open_container(reply, 'r', "qqay"); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "qq", answer->rrs[i]->key->class, answer->rrs[i]->key->type); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append_array(reply, 'y', DNS_PACKET_DATA(p) + start, p->size - start); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| goto finish; |
| |
| added ++; |
| } |
| } |
| |
| if (added <= 0) { |
| r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Name '%s' does not have any RR of the requested type", q->request_hostname); |
| goto finish; |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family)); |
| if (r < 0) |
| goto finish; |
| |
| r = sd_bus_send(q->manager->bus, reply, NULL); |
| |
| finish: |
| if (r < 0) { |
| log_error("Failed to send record reply: %s", strerror(-r)); |
| sd_bus_reply_method_errno(q->request, -r, NULL); |
| } |
| |
| dns_query_free(q); |
| } |
| |
| static int bus_method_resolve_record(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; |
| _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; |
| Manager *m = userdata; |
| uint16_t class, type; |
| const char *name; |
| int r, ifindex; |
| uint64_t flags; |
| DnsQuery *q; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "isqqt", &ifindex, &name, &class, &type, &flags); |
| if (r < 0) |
| return r; |
| |
| r = dns_name_normalize(name, NULL); |
| if (r < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid name '%s'", name); |
| |
| r = check_ifindex_flags(ifindex, &flags, error); |
| if (r < 0) |
| return r; |
| |
| question = dns_question_new(1); |
| if (!question) |
| return -ENOMEM; |
| |
| key = dns_resource_key_new(class, type, name); |
| if (!key) |
| return -ENOMEM; |
| |
| r = dns_question_add(question, key); |
| if (r < 0) |
| return r; |
| |
| r = dns_query_new(m, &q, question, ifindex, flags); |
| if (r < 0) |
| return r; |
| |
| q->request = sd_bus_message_ref(message); |
| q->request_hostname = name; |
| q->complete = bus_method_resolve_record_complete; |
| |
| r = dns_query_bus_track(q, bus, message); |
| if (r < 0) |
| return r; |
| |
| r = dns_query_go(q); |
| if (r < 0) { |
| dns_query_free(q); |
| |
| if (r == -ESRCH) |
| sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
| |
| return r; |
| } |
| |
| return 1; |
| } |
| |
| static const sd_bus_vtable resolve_vtable[] = { |
| SD_BUS_VTABLE_START(0), |
| SD_BUS_METHOD("ResolveHostname", "isit", "ia(iay)st", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("ResolveAddress", "iiayt", "iast", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("ResolveRecord", "isqqt", "ia(qqay)t", bus_method_resolve_record, 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 *bus, sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
| Manager *m = userdata; |
| int b, r; |
| |
| assert(bus); |
| assert(bus); |
| |
| r = sd_bus_message_read(message, "b", &b); |
| if (r < 0) { |
| log_debug("Failed to parse PrepareForSleep signal: %s", strerror(-r)); |
| 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 |
| * boot. Let's try in 5s again. As soon as we have |
| * kdbus we can stop doing this... */ |
| |
| log_debug("Failed to connect to bus, trying again in 5s: %s", strerror(-r)); |
| |
| 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) { |
| log_error("Failed to install bus reconnect time event: %s", strerror(-r)); |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/resolve1", "org.freedesktop.resolve1.Manager", resolve_vtable, m); |
| if (r < 0) { |
| log_error("Failed to register object: %s", strerror(-r)); |
| return r; |
| } |
| |
| r = sd_bus_request_name(m->bus, "org.freedesktop.resolve1", 0); |
| if (r < 0) { |
| log_error("Failed to register name: %s", strerror(-r)); |
| return r; |
| } |
| |
| r = sd_bus_attach_event(m->bus, m->event, 0); |
| if (r < 0) { |
| log_error("Failed to attach bus to event loop: %s", strerror(-r)); |
| return r; |
| } |
| |
| 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("Failed to add match for PrepareForSleep: %s", strerror(-r)); |
| |
| return 0; |
| } |