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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2010 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 <errno.h>
#include "dbus-unit.h"
#include "dbus-execute.h"
#include "dbus-kill.h"
#include "dbus-cgroup.h"
#include "dbus-common.h"
#include "selinux-access.h"
#include "dbus-socket.h"
#define BUS_SOCKET_INTERFACE \
" <interface name=\"org.freedesktop.systemd1.Socket\">\n" \
" <property name=\"BindIPv6Only\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Backlog\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
BUS_EXEC_COMMAND_INTERFACE("ExecStartPre") \
BUS_EXEC_COMMAND_INTERFACE("ExecStartPost") \
BUS_EXEC_COMMAND_INTERFACE("ExecStopPre") \
BUS_EXEC_COMMAND_INTERFACE("ExecStopPost") \
BUS_EXEC_CONTEXT_INTERFACE \
BUS_KILL_CONTEXT_INTERFACE \
BUS_CGROUP_CONTEXT_INTERFACE \
" <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"BindToDevice\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"SocketMode\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"Accept\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"KeepAlive\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Priority\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"ReceiveBuffer\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"SendBuffer\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"IPTOS\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"IPTTL\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"PipeSize\" type=\"t\" access=\"read\"/>\n" \
" <property name=\"FreeBind\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Transparent\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Broadcast\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"PassCredentials\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"PassSecurity\" type=\"b\" access=\"read\"/>\n" \
" <property name=\"Mark\" type=\"i\" access=\"read\"/>\n" \
" <property name=\"MaxConnections\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"NAccepted\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"NConnections\" type=\"u\" access=\"read\"/>\n" \
" <property name=\"MessageQueueMaxMessages\" type=\"x\" access=\"read\"/>\n" \
" <property name=\"MessageQueueMessageSize\" type=\"x\" access=\"read\"/>\n" \
" <property name=\"Listen\" type=\"a(ss)\" access=\"read\"/>\n" \
" <property name=\"Result\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"SmackLabel\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"SmackLabelIPIn\" type=\"s\" access=\"read\"/>\n" \
" <property name=\"SmackLabelIPOut\" type=\"s\" access=\"read\"/>\n" \
" </interface>\n" \
#define INTROSPECTION \
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
"<node>\n" \
BUS_UNIT_INTERFACE \
BUS_SOCKET_INTERFACE \
BUS_PROPERTIES_INTERFACE \
BUS_PEER_INTERFACE \
BUS_INTROSPECTABLE_INTERFACE \
"</node>\n"
#define INTERFACES_LIST \
BUS_UNIT_INTERFACES_LIST \
"org.freedesktop.systemd1.Socket\0"
const char bus_socket_interface[] _introspect_("Socket") = BUS_SOCKET_INTERFACE;
const char bus_socket_invalidating_properties[] =
"ExecStartPre\0"
"ExecStartPost\0"
"ExecStopPre\0"
"ExecStopPost\0"
"ControlPID\0"
"NAccepted\0"
"NConnections\0"
"Result\0";
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_socket_result, socket_result, SocketResult);
static int bus_socket_append_listen(DBusMessageIter *i, const char *property, void *data) {
Socket *s = SOCKET(data);
SocketPort *p;
DBusMessageIter array, stru;
assert(data);
assert(property);
assert(s);
if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(ss)", &array))
return log_oom();
LIST_FOREACH(port, p, s->ports) {
const char *type = socket_port_type_to_string(p);
_cleanup_free_ char *address = NULL;
const char *a;
if (!dbus_message_iter_open_container(&array, DBUS_TYPE_STRUCT, NULL, &stru))
return log_oom();
if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &type))
return log_oom();
switch (p->type) {
case SOCKET_SOCKET: {
int r;
r = socket_address_print(&p->address, &address);
if (r) {
log_error("socket_address_print failed: %s", strerror(-r));
return r;
}
a = address;
break;
}
case SOCKET_SPECIAL:
case SOCKET_MQUEUE:
case SOCKET_FIFO:
a = p->path;
break;
default:
a = type;
}
if (!dbus_message_iter_append_basic(&stru, DBUS_TYPE_STRING, &a))
return -ENOMEM;
if (!dbus_message_iter_close_container(&array, &stru))
return -ENOMEM;
}
if (!dbus_message_iter_close_container(i, &array))
return -ENOMEM;
return 0;
}
static const BusProperty bus_socket_properties[] = {
{ "BindIPv6Only", bus_socket_append_bind_ipv6_only, "s", offsetof(Socket, bind_ipv6_only) },
{ "Backlog", bus_property_append_unsigned, "u", offsetof(Socket, backlog) },
{ "TimeoutUSec", bus_property_append_usec, "t", offsetof(Socket, timeout_usec) },
BUS_EXEC_COMMAND_PROPERTY("ExecStartPre", offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]), true ),
BUS_EXEC_COMMAND_PROPERTY("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), true ),
BUS_EXEC_COMMAND_PROPERTY("ExecStopPre", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]), true ),
BUS_EXEC_COMMAND_PROPERTY("ExecStopPost", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]), true ),
{ "ControlPID", bus_property_append_pid, "u", offsetof(Socket, control_pid) },
{ "BindToDevice", bus_property_append_string, "s", offsetof(Socket, bind_to_device), true },
{ "DirectoryMode", bus_property_append_mode, "u", offsetof(Socket, directory_mode) },
{ "SocketMode", bus_property_append_mode, "u", offsetof(Socket, socket_mode) },
{ "Accept", bus_property_append_bool, "b", offsetof(Socket, accept) },
{ "KeepAlive", bus_property_append_bool, "b", offsetof(Socket, keep_alive) },
{ "Priority", bus_property_append_int, "i", offsetof(Socket, priority) },
{ "ReceiveBuffer", bus_property_append_size, "t", offsetof(Socket, receive_buffer) },
{ "SendBuffer", bus_property_append_size, "t", offsetof(Socket, send_buffer) },
{ "IPTOS", bus_property_append_int, "i", offsetof(Socket, ip_tos) },
{ "IPTTL", bus_property_append_int, "i", offsetof(Socket, ip_ttl) },
{ "PipeSize", bus_property_append_size, "t", offsetof(Socket, pipe_size) },
{ "FreeBind", bus_property_append_bool, "b", offsetof(Socket, free_bind) },
{ "Transparent", bus_property_append_bool, "b", offsetof(Socket, transparent) },
{ "Broadcast", bus_property_append_bool, "b", offsetof(Socket, broadcast) },
{ "PassCredentials",bus_property_append_bool, "b", offsetof(Socket, pass_cred) },
{ "PassSecurity", bus_property_append_bool, "b", offsetof(Socket, pass_sec) },
{ "Listen", bus_socket_append_listen, "a(ss)", 0, },
{ "Mark", bus_property_append_int, "i", offsetof(Socket, mark) },
{ "MaxConnections", bus_property_append_unsigned, "u", offsetof(Socket, max_connections) },
{ "NConnections", bus_property_append_unsigned, "u", offsetof(Socket, n_connections) },
{ "NAccepted", bus_property_append_unsigned, "u", offsetof(Socket, n_accepted) },
{ "MessageQueueMaxMessages", bus_property_append_long, "x", offsetof(Socket, mq_maxmsg) },
{ "MessageQueueMessageSize", bus_property_append_long, "x", offsetof(Socket, mq_msgsize) },
{ "Result", bus_socket_append_socket_result, "s", offsetof(Socket, result) },
{ "SmackLabel", bus_property_append_string, "s", offsetof(Socket, smack), true },
{ "SmackLabelIPIn", bus_property_append_string, "s", offsetof(Socket, smack_ip_in), true },
{ "SmackLabelIPOut",bus_property_append_string, "s", offsetof(Socket, smack_ip_out), true },
{ NULL, }
};
DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
Socket *s = SOCKET(u);
const BusBoundProperties bps[] = {
{ "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
{ "org.freedesktop.systemd1.Socket", bus_socket_properties, s },
{ "org.freedesktop.systemd1.Socket", bus_exec_context_properties, &s->exec_context },
{ "org.freedesktop.systemd1.Socket", bus_kill_context_properties, &s->kill_context },
{ "org.freedesktop.systemd1.Socket", bus_cgroup_context_properties, &s->cgroup_context },
{ NULL, }
};
SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status");
return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
}
int bus_socket_set_property(
Unit *u,
const char *name,
DBusMessageIter *i,
UnitSetPropertiesMode mode,
DBusError *error) {
Socket *s = SOCKET(u);
int r;
assert(name);
assert(u);
assert(i);
r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);
if (r != 0)
return r;
return 0;
}
int bus_socket_commit_properties(Unit *u) {
assert(u);
unit_realize_cgroup(u);
return 0;
}
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