1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 #include "dbus-unit.h"
25 #include "dbus-execute.h"
26 #include "dbus-kill.h"
27 #include "dbus-cgroup.h"
28 #include "dbus-common.h"
29 #include "selinux-access.h"
30 #include "dbus-socket.h"
32 #define BUS_SOCKET_INTERFACE \
33 " <interface name=\"org.freedesktop.systemd1.Socket\">\n" \
34 " <property name=\"BindIPv6Only\" type=\"b\" access=\"read\"/>\n" \
35 " <property name=\"Backlog\" type=\"u\" access=\"read\"/>\n" \
36 " <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
37 BUS_UNIT_CGROUP_INTERFACE \
38 BUS_EXEC_COMMAND_INTERFACE("ExecStartPre") \
39 BUS_EXEC_COMMAND_INTERFACE("ExecStartPost") \
40 BUS_EXEC_COMMAND_INTERFACE("ExecStopPre") \
41 BUS_EXEC_COMMAND_INTERFACE("ExecStopPost") \
42 BUS_EXEC_CONTEXT_INTERFACE \
43 BUS_KILL_CONTEXT_INTERFACE \
44 BUS_CGROUP_CONTEXT_INTERFACE \
45 " <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
46 " <property name=\"BindToDevice\" type=\"s\" access=\"read\"/>\n" \
47 " <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
48 " <property name=\"SocketMode\" type=\"u\" access=\"read\"/>\n" \
49 " <property name=\"Accept\" type=\"b\" access=\"read\"/>\n" \
50 " <property name=\"KeepAlive\" type=\"b\" access=\"read\"/>\n" \
51 " <property name=\"Priority\" type=\"i\" access=\"read\"/>\n" \
52 " <property name=\"ReceiveBuffer\" type=\"t\" access=\"read\"/>\n" \
53 " <property name=\"SendBuffer\" type=\"t\" access=\"read\"/>\n" \
54 " <property name=\"IPTOS\" type=\"i\" access=\"read\"/>\n" \
55 " <property name=\"IPTTL\" type=\"i\" access=\"read\"/>\n" \
56 " <property name=\"PipeSize\" type=\"t\" access=\"read\"/>\n" \
57 " <property name=\"FreeBind\" type=\"b\" access=\"read\"/>\n" \
58 " <property name=\"Transparent\" type=\"b\" access=\"read\"/>\n" \
59 " <property name=\"Broadcast\" type=\"b\" access=\"read\"/>\n" \
60 " <property name=\"PassCredentials\" type=\"b\" access=\"read\"/>\n" \
61 " <property name=\"PassSecurity\" type=\"b\" access=\"read\"/>\n" \
62 " <property name=\"Mark\" type=\"i\" access=\"read\"/>\n" \
63 " <property name=\"MaxConnections\" type=\"u\" access=\"read\"/>\n" \
64 " <property name=\"NAccepted\" type=\"u\" access=\"read\"/>\n" \
65 " <property name=\"NConnections\" type=\"u\" access=\"read\"/>\n" \
66 " <property name=\"MessageQueueMaxMessages\" type=\"x\" access=\"read\"/>\n" \
67 " <property name=\"MessageQueueMessageSize\" type=\"x\" access=\"read\"/>\n" \
68 " <property name=\"Listen\" type=\"a(ss)\" access=\"read\"/>\n" \
69 " <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
70 " <property name=\"ReusePort\" type=\"b\" access=\"read\"/>\n" \
71 " <property name=\"SmackLabel\" type=\"s\" access=\"read\"/>\n" \
72 " <property name=\"SmackLabelIPIn\" type=\"s\" access=\"read\"/>\n" \
73 " <property name=\"SmackLabelIPOut\" type=\"s\" access=\"read\"/>\n" \
76 #define INTROSPECTION \
77 DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
80 BUS_SOCKET_INTERFACE \
81 BUS_PROPERTIES_INTERFACE \
83 BUS_INTROSPECTABLE_INTERFACE \
86 #define INTERFACES_LIST \
87 BUS_UNIT_INTERFACES_LIST \
88 "org.freedesktop.systemd1.Socket\0"
90 const char bus_socket_interface[] _introspect_("Socket") = BUS_SOCKET_INTERFACE;
92 const char bus_socket_invalidating_properties[] =
102 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
103 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_socket_result, socket_result, SocketResult);
105 static int bus_socket_append_listen(DBusMessageIter *i, const char *property, void *data) {
107 Socket *s = SOCKET(data);
109 DBusMessageIter array, stru;
115 if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &array))
118 LIST_FOREACH(port, p, s->ports) {
119 const char *type = socket_port_type_to_string(p);
120 _cleanup_free_ char *address = NULL;
123 if (!dbus_message_iter_open_container(&array, DBUS_TYPE_STRUCT, NULL, &stru))
126 if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &type))
130 case SOCKET_SOCKET: {
133 r = socket_address_print(&p->address, &address);
135 log_error("socket_address_print failed: %s", strerror(-r));
152 if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &a))
155 if (!dbus_message_iter_close_container(&array, &stru))
159 if (!dbus_message_iter_close_container(i, &array))
165 static const BusProperty bus_socket_properties[] = {
166 { "BindIPv6Only", bus_socket_append_bind_ipv6_only, "s", offsetof(Socket, bind_ipv6_only) },
167 { "Backlog", bus_property_append_unsigned, "u", offsetof(Socket, backlog) },
168 { "TimeoutUSec", bus_property_append_usec, "t", offsetof(Socket, timeout_usec) },
169 BUS_EXEC_COMMAND_PROPERTY("ExecStartPre", offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]), true ),
170 BUS_EXEC_COMMAND_PROPERTY("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), true ),
171 BUS_EXEC_COMMAND_PROPERTY("ExecStopPre", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]), true ),
172 BUS_EXEC_COMMAND_PROPERTY("ExecStopPost", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]), true ),
173 { "ControlPID", bus_property_append_pid, "u", offsetof(Socket, control_pid) },
174 { "BindToDevice", bus_property_append_string, "s", offsetof(Socket, bind_to_device), true },
175 { "DirectoryMode", bus_property_append_mode, "u", offsetof(Socket, directory_mode) },
176 { "SocketMode", bus_property_append_mode, "u", offsetof(Socket, socket_mode) },
177 { "Accept", bus_property_append_bool, "b", offsetof(Socket, accept) },
178 { "KeepAlive", bus_property_append_bool, "b", offsetof(Socket, keep_alive) },
179 { "Priority", bus_property_append_int, "i", offsetof(Socket, priority) },
180 { "ReceiveBuffer", bus_property_append_size, "t", offsetof(Socket, receive_buffer) },
181 { "SendBuffer", bus_property_append_size, "t", offsetof(Socket, send_buffer) },
182 { "IPTOS", bus_property_append_int, "i", offsetof(Socket, ip_tos) },
183 { "IPTTL", bus_property_append_int, "i", offsetof(Socket, ip_ttl) },
184 { "PipeSize", bus_property_append_size, "t", offsetof(Socket, pipe_size) },
185 { "FreeBind", bus_property_append_bool, "b", offsetof(Socket, free_bind) },
186 { "Transparent", bus_property_append_bool, "b", offsetof(Socket, transparent) },
187 { "Broadcast", bus_property_append_bool, "b", offsetof(Socket, broadcast) },
188 { "PassCredentials",bus_property_append_bool, "b", offsetof(Socket, pass_cred) },
189 { "PassSecurity", bus_property_append_bool, "b", offsetof(Socket, pass_sec) },
190 { "Listen", bus_socket_append_listen, "a(ss)", 0, },
191 { "Mark", bus_property_append_int, "i", offsetof(Socket, mark) },
192 { "MaxConnections", bus_property_append_unsigned, "u", offsetof(Socket, max_connections) },
193 { "NConnections", bus_property_append_unsigned, "u", offsetof(Socket, n_connections) },
194 { "NAccepted", bus_property_append_unsigned, "u", offsetof(Socket, n_accepted) },
195 { "MessageQueueMaxMessages", bus_property_append_long, "x", offsetof(Socket, mq_maxmsg) },
196 { "MessageQueueMessageSize", bus_property_append_long, "x", offsetof(Socket, mq_msgsize) },
197 { "Result", bus_socket_append_socket_result, "s", offsetof(Socket, result) },
198 { "ReusePort", bus_property_append_bool, "b", offsetof(Socket, reuseport) },
199 { "SmackLabel", bus_property_append_string, "s", offsetof(Socket, smack), true },
200 { "SmackLabelIPIn", bus_property_append_string, "s", offsetof(Socket, smack_ip_in), true },
201 { "SmackLabelIPOut",bus_property_append_string, "s", offsetof(Socket, smack_ip_out), true },
205 DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
206 Socket *s = SOCKET(u);
207 const BusBoundProperties bps[] = {
208 { "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
209 { "org.freedesktop.systemd1.Socket", bus_unit_cgroup_properties, u },
210 { "org.freedesktop.systemd1.Socket", bus_socket_properties, s },
211 { "org.freedesktop.systemd1.Socket", bus_exec_context_properties, &s->exec_context },
212 { "org.freedesktop.systemd1.Socket", bus_kill_context_properties, &s->kill_context },
213 { "org.freedesktop.systemd1.Socket", bus_cgroup_context_properties, &s->cgroup_context },
217 SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
219 return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
222 int bus_socket_set_property(
226 UnitSetPropertiesMode mode,
229 Socket *s = SOCKET(u);
236 r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);
243 int bus_socket_commit_properties(Unit *u) {
246 unit_realize_cgroup(u);