# attribute conditional="ENABLE_WHAT" or conditional="WITH_WHAT"
# to <refentry> element.
MANPAGES += \
+ man/sd-bus-errors.3 \
+ man/sd_bus_error_add_map.3 \
man/sd_id128_get_machine.3 \
man/sd_id128_randomize.3 \
man/sd_id128_to_string.3 \
man/sd_notify.3 \
man/sd_watchdog_enabled.3
MANPAGES_ALIAS += \
+ man/SD_BUS_ERROR_ACCESS_DENIED.3 \
+ man/SD_BUS_ERROR_ADDRESS_IN_USE.3 \
+ man/SD_BUS_ERROR_AUTH_FAILED.3 \
+ man/SD_BUS_ERROR_BAD_ADDRESS.3 \
+ man/SD_BUS_ERROR_DISCONNECTED.3 \
+ man/SD_BUS_ERROR_END.3 \
+ man/SD_BUS_ERROR_FAILED.3 \
+ man/SD_BUS_ERROR_FILE_EXISTS.3 \
+ man/SD_BUS_ERROR_FILE_NOT_FOUND.3 \
+ man/SD_BUS_ERROR_INCONSISTENT_MESSAGE.3 \
+ man/SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED.3 \
+ man/SD_BUS_ERROR_INVALID_ARGS.3 \
+ man/SD_BUS_ERROR_INVALID_SIGNATURE.3 \
+ man/SD_BUS_ERROR_IO_ERROR.3 \
+ man/SD_BUS_ERROR_LIMITS_EXCEEDED.3 \
+ man/SD_BUS_ERROR_MAP.3 \
+ man/SD_BUS_ERROR_MATCH_RULE_INVALID.3 \
+ man/SD_BUS_ERROR_MATCH_RULE_NOT_FOUND.3 \
+ man/SD_BUS_ERROR_NAME_HAS_NO_OWNER.3 \
+ man/SD_BUS_ERROR_NOT_SUPPORTED.3 \
+ man/SD_BUS_ERROR_NO_MEMORY.3 \
+ man/SD_BUS_ERROR_NO_NETWORK.3 \
+ man/SD_BUS_ERROR_NO_REPLY.3 \
+ man/SD_BUS_ERROR_NO_SERVER.3 \
+ man/SD_BUS_ERROR_PROPERTY_READ_ONLY.3 \
+ man/SD_BUS_ERROR_SERVICE_UNKNOWN.3 \
+ man/SD_BUS_ERROR_TIMEOUT.3 \
+ man/SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN.3 \
+ man/SD_BUS_ERROR_UNKNOWN_INTERFACE.3 \
+ man/SD_BUS_ERROR_UNKNOWN_METHOD.3 \
+ man/SD_BUS_ERROR_UNKNOWN_OBJECT.3 \
+ man/SD_BUS_ERROR_UNKNOWN_PROPERTY.3 \
+ man/sd_bus_error_map.3 \
man/sd_id128_from_string.3 \
man/sd_id128_get_boot.3 \
man/sd_is_mq.3 \
man/sd_pid_notify.3 \
man/sd_pid_notify_with_fds.3 \
man/sd_pid_notifyf.3
+man/SD_BUS_ERROR_ACCESS_DENIED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_ADDRESS_IN_USE.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_AUTH_FAILED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_BAD_ADDRESS.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_DISCONNECTED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_END.3: man/sd_bus_error_add_map.3
+man/SD_BUS_ERROR_FAILED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_FILE_EXISTS.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_FILE_NOT_FOUND.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_INCONSISTENT_MESSAGE.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_INVALID_ARGS.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_INVALID_SIGNATURE.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_IO_ERROR.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_LIMITS_EXCEEDED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_MAP.3: man/sd_bus_error_add_map.3
+man/SD_BUS_ERROR_MATCH_RULE_INVALID.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_MATCH_RULE_NOT_FOUND.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NAME_HAS_NO_OWNER.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NOT_SUPPORTED.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NO_MEMORY.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NO_NETWORK.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NO_REPLY.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_NO_SERVER.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_PROPERTY_READ_ONLY.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_SERVICE_UNKNOWN.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_TIMEOUT.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_UNKNOWN_INTERFACE.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_UNKNOWN_METHOD.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_UNKNOWN_OBJECT.3: man/sd-bus-errors.3
+man/SD_BUS_ERROR_UNKNOWN_PROPERTY.3: man/sd-bus-errors.3
+man/sd_bus_error_map.3: man/sd_bus_error_add_map.3
man/sd_id128_from_string.3: man/sd_id128_to_string.3
man/sd_id128_get_boot.3: man/sd_id128_get_machine.3
man/sd_is_mq.3: man/sd_is_fifo.3
man/sd_pid_notify.3: man/sd_notify.3
man/sd_pid_notify_with_fds.3: man/sd_notify.3
man/sd_pid_notifyf.3: man/sd_notify.3
+man/SD_BUS_ERROR_ACCESS_DENIED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_ADDRESS_IN_USE.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_AUTH_FAILED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_BAD_ADDRESS.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_DISCONNECTED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_END.html: man/sd_bus_error_add_map.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_FAILED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_FILE_EXISTS.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_FILE_NOT_FOUND.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_INCONSISTENT_MESSAGE.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_INVALID_ARGS.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_INVALID_SIGNATURE.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_IO_ERROR.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_LIMITS_EXCEEDED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_MAP.html: man/sd_bus_error_add_map.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_MATCH_RULE_INVALID.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_MATCH_RULE_NOT_FOUND.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NAME_HAS_NO_OWNER.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NOT_SUPPORTED.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NO_MEMORY.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NO_NETWORK.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NO_REPLY.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_NO_SERVER.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_PROPERTY_READ_ONLY.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_SERVICE_UNKNOWN.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_TIMEOUT.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_UNKNOWN_INTERFACE.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_UNKNOWN_METHOD.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_UNKNOWN_OBJECT.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/SD_BUS_ERROR_UNKNOWN_PROPERTY.html: man/sd-bus-errors.html
+ $(html-alias)
+
+man/sd_bus_error_map.html: man/sd_bus_error_add_map.html
+ $(html-alias)
+
man/sd_id128_from_string.html: man/sd_id128_to_string.html
$(html-alias)
endif
+if HAVE_PYTHON
+MANPAGES += \
+ man/systemd.index.7
+MANPAGES_ALIAS += \
+ #
+
+
+endif
+
# Really, do not edit this file.
EXTRA_DIST += \
man/libelogind-pkgconfig.xml \
man/loginctl.xml \
man/pam_elogind.xml \
+ man/sd-bus-errors.xml \
+ man/sd_bus_error_add_map.xml \
man/sd_get_seats.xml \
man/sd_id128_get_machine.xml \
man/sd_id128_randomize.xml \
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- 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 <resolv.h>
-#include <netinet/in.h>
-
-#include "resolved-manager.h"
-#include "resolved-llmnr.h"
-
-void manager_llmnr_stop(Manager *m) {
- assert(m);
-
- m->llmnr_ipv4_udp_event_source = sd_event_source_unref(m->llmnr_ipv4_udp_event_source);
- m->llmnr_ipv4_udp_fd = safe_close(m->llmnr_ipv4_udp_fd);
-
- m->llmnr_ipv6_udp_event_source = sd_event_source_unref(m->llmnr_ipv6_udp_event_source);
- m->llmnr_ipv6_udp_fd = safe_close(m->llmnr_ipv6_udp_fd);
-
- m->llmnr_ipv4_tcp_event_source = sd_event_source_unref(m->llmnr_ipv4_tcp_event_source);
- m->llmnr_ipv4_tcp_fd = safe_close(m->llmnr_ipv4_tcp_fd);
-
- m->llmnr_ipv6_tcp_event_source = sd_event_source_unref(m->llmnr_ipv6_tcp_event_source);
- m->llmnr_ipv6_tcp_fd = safe_close(m->llmnr_ipv6_tcp_fd);
-}
-
-int manager_llmnr_start(Manager *m) {
- int r;
-
- assert(m);
-
- if (m->llmnr_support == SUPPORT_NO)
- return 0;
-
- r = manager_llmnr_ipv4_udp_fd(m);
- if (r == -EADDRINUSE)
- goto eaddrinuse;
- if (r < 0)
- return r;
-
- r = manager_llmnr_ipv4_tcp_fd(m);
- if (r == -EADDRINUSE)
- goto eaddrinuse;
- if (r < 0)
- return r;
-
- if (socket_ipv6_is_supported()) {
- r = manager_llmnr_ipv6_udp_fd(m);
- if (r == -EADDRINUSE)
- goto eaddrinuse;
- if (r < 0)
- return r;
-
- r = manager_llmnr_ipv6_tcp_fd(m);
- if (r == -EADDRINUSE)
- goto eaddrinuse;
- if (r < 0)
- return r;
- }
-
- return 0;
-
-eaddrinuse:
- log_warning("There appears to be another LLMNR responder running. Turning off LLMNR support.");
- m->llmnr_support = SUPPORT_NO;
- manager_llmnr_stop(m);
-
- return 0;
-}
-
-static int on_llmnr_packet(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
- _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
- DnsTransaction *t = NULL;
- Manager *m = userdata;
- DnsScope *scope;
- int r;
-
- r = manager_recv(m, fd, DNS_PROTOCOL_LLMNR, &p);
- if (r <= 0)
- return r;
-
- scope = manager_find_scope(m, p);
- if (!scope) {
- log_warning("Got LLMNR UDP packet on unknown scope. Ignoring.");
- return 0;
- }
-
- if (dns_packet_validate_reply(p) > 0) {
- log_debug("Got LLMNR reply packet for id %u", DNS_PACKET_ID(p));
-
- dns_scope_check_conflicts(scope, p);
-
- t = hashmap_get(m->dns_transactions, UINT_TO_PTR(DNS_PACKET_ID(p)));
- if (t)
- dns_transaction_process_reply(t, p);
-
- } else if (dns_packet_validate_query(p) > 0) {
- log_debug("Got LLMNR query packet for id %u", DNS_PACKET_ID(p));
-
- dns_scope_process_query(scope, NULL, p);
- } else
- log_debug("Invalid LLMNR UDP packet.");
-
- return 0;
-}
-
-int manager_llmnr_ipv4_udp_fd(Manager *m) {
- union sockaddr_union sa = {
- .in.sin_family = AF_INET,
- .in.sin_port = htobe16(LLMNR_PORT),
- };
- static const int one = 1, pmtu = IP_PMTUDISC_DONT, ttl = 255;
- int r;
-
- assert(m);
-
- if (m->llmnr_ipv4_udp_fd >= 0)
- return m->llmnr_ipv4_udp_fd;
-
- m->llmnr_ipv4_udp_fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (m->llmnr_ipv4_udp_fd < 0)
- return -errno;
-
- /* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_RECVTTL, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- /* Disable Don't-Fragment bit in the IP header */
- r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MTU_DISCOVER, &pmtu, sizeof(pmtu));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = bind(m->llmnr_ipv4_udp_fd, &sa.sa, sizeof(sa.in));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = sd_event_add_io(m->event, &m->llmnr_ipv4_udp_event_source, m->llmnr_ipv4_udp_fd, EPOLLIN, on_llmnr_packet, m);
- if (r < 0)
- goto fail;
-
- return m->llmnr_ipv4_udp_fd;
-
-fail:
- m->llmnr_ipv4_udp_fd = safe_close(m->llmnr_ipv4_udp_fd);
- return r;
-}
-
-int manager_llmnr_ipv6_udp_fd(Manager *m) {
- union sockaddr_union sa = {
- .in6.sin6_family = AF_INET6,
- .in6.sin6_port = htobe16(LLMNR_PORT),
- };
- static const int one = 1, ttl = 255;
- int r;
-
- assert(m);
-
- if (m->llmnr_ipv6_udp_fd >= 0)
- return m->llmnr_ipv6_udp_fd;
-
- m->llmnr_ipv6_udp_fd = socket(AF_INET6, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (m->llmnr_ipv6_udp_fd < 0)
- return -errno;
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- /* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof(ttl));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = bind(m->llmnr_ipv6_udp_fd, &sa.sa, sizeof(sa.in6));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = sd_event_add_io(m->event, &m->llmnr_ipv6_udp_event_source, m->llmnr_ipv6_udp_fd, EPOLLIN, on_llmnr_packet, m);
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- return m->llmnr_ipv6_udp_fd;
-
-fail:
- m->llmnr_ipv6_udp_fd = safe_close(m->llmnr_ipv6_udp_fd);
- return r;
-}
-
-static int on_llmnr_stream_packet(DnsStream *s) {
- DnsScope *scope;
-
- assert(s);
-
- scope = manager_find_scope(s->manager, s->read_packet);
- if (!scope) {
- log_warning("Got LLMNR TCP packet on unknown scope. Ignroing.");
- return 0;
- }
-
- if (dns_packet_validate_query(s->read_packet) > 0) {
- log_debug("Got query packet for id %u", DNS_PACKET_ID(s->read_packet));
-
- dns_scope_process_query(scope, s, s->read_packet);
-
- /* If no reply packet was set, we free the stream */
- if (s->write_packet)
- return 0;
- } else
- log_debug("Invalid LLMNR TCP packet.");
-
- dns_stream_free(s);
- return 0;
-}
-
-static int on_llmnr_stream(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
- DnsStream *stream;
- Manager *m = userdata;
- int cfd, r;
-
- cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);
- if (cfd < 0) {
- if (errno == EAGAIN || errno == EINTR)
- return 0;
-
- return -errno;
- }
-
- r = dns_stream_new(m, &stream, DNS_PROTOCOL_LLMNR, cfd);
- if (r < 0) {
- safe_close(cfd);
- return r;
- }
-
- stream->on_packet = on_llmnr_stream_packet;
- return 0;
-}
-
-int manager_llmnr_ipv4_tcp_fd(Manager *m) {
- union sockaddr_union sa = {
- .in.sin_family = AF_INET,
- .in.sin_port = htobe16(LLMNR_PORT),
- };
- static const int one = 1, pmtu = IP_PMTUDISC_DONT;
- int r;
-
- assert(m);
-
- if (m->llmnr_ipv4_tcp_fd >= 0)
- return m->llmnr_ipv4_tcp_fd;
-
- m->llmnr_ipv4_tcp_fd = socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (m->llmnr_ipv4_tcp_fd < 0)
- return -errno;
-
- /* RFC 4795, section 2.5. requires setting the TTL of TCP streams to 1 */
- r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_TTL, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_RECVTTL, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- /* Disable Don't-Fragment bit in the IP header */
- r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_MTU_DISCOVER, &pmtu, sizeof(pmtu));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = bind(m->llmnr_ipv4_tcp_fd, &sa.sa, sizeof(sa.in));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = listen(m->llmnr_ipv4_tcp_fd, SOMAXCONN);
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = sd_event_add_io(m->event, &m->llmnr_ipv4_tcp_event_source, m->llmnr_ipv4_tcp_fd, EPOLLIN, on_llmnr_stream, m);
- if (r < 0)
- goto fail;
-
- return m->llmnr_ipv4_tcp_fd;
-
-fail:
- m->llmnr_ipv4_tcp_fd = safe_close(m->llmnr_ipv4_tcp_fd);
- return r;
-}
-
-int manager_llmnr_ipv6_tcp_fd(Manager *m) {
- union sockaddr_union sa = {
- .in6.sin6_family = AF_INET6,
- .in6.sin6_port = htobe16(LLMNR_PORT),
- };
- static const int one = 1;
- int r;
-
- assert(m);
-
- if (m->llmnr_ipv6_tcp_fd >= 0)
- return m->llmnr_ipv6_tcp_fd;
-
- m->llmnr_ipv6_tcp_fd = socket(AF_INET6, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
- if (m->llmnr_ipv6_tcp_fd < 0)
- return -errno;
-
- /* RFC 4795, section 2.5. requires setting the TTL of TCP streams to 1 */
- r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = bind(m->llmnr_ipv6_tcp_fd, &sa.sa, sizeof(sa.in6));
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = listen(m->llmnr_ipv6_tcp_fd, SOMAXCONN);
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = sd_event_add_io(m->event, &m->llmnr_ipv6_tcp_event_source, m->llmnr_ipv6_tcp_fd, EPOLLIN, on_llmnr_stream, m);
- if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- return m->llmnr_ipv6_tcp_fd;
-
-fail:
- m->llmnr_ipv6_tcp_fd = safe_close(m->llmnr_ipv6_tcp_fd);
- return r;
-}
~ianmdlvl / elogind.git / commitdiff