src/core/dbus-socket.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2010 Lennart Poettering
   7
   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.
  12
  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.
  17
  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/>.
  20 ***/
  21
  22 #include "unit.h"
  23 #include "socket.h"
  24 #include "dbus-unit.h"
  25 #include "dbus-execute.h"
  26 #include "dbus-kill.h"
  27 #include "dbus-cgroup.h"
  28 #include "dbus-socket.h"
  29 #include "bus-util.h"
  30
  31 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, socket_result, SocketResult);
  32 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
  33
  34 static int property_get_listen(
  35                 sd_bus *bus,
  36                 const char *path,
  37                 const char *interface,
  38                 const char *property,
  39                 sd_bus_message *reply,
  40                 void *userdata,
  41                 sd_bus_error *error) {
  42
  43
  44         Socket *s = SOCKET(userdata);
  45         SocketPort *p;
  46         int r;
  47
  48         assert(bus);
  49         assert(reply);
  50         assert(s);
  51
  52         r = sd_bus_message_open_container(reply, 'a', "(ss)");
  53         if (r < 0)
  54                 return r;
  55
  56         LIST_FOREACH(port, p, s->ports) {
  57                 _cleanup_free_ char *address = NULL;
  58                 const char *a;
  59
  60                 switch (p->type) {
  61                         case SOCKET_SOCKET: {
  62                                 r = socket_address_print(&p->address, &address);
  63                                 if (r)
  64                                         return r;
  65
  66                                 a = address;
  67                                 break;
  68                         }
  69
  70                         case SOCKET_SPECIAL:
  71                         case SOCKET_MQUEUE:
  72                         case SOCKET_FIFO:
  73                                 a = p->path;
  74                                 break;
  75
  76                         default:
  77                                 assert_not_reached("Unknown socket type");
  78                 }
  79
  80                 r = sd_bus_message_append(reply, "(ss)", socket_port_type_to_string(p), a);
  81                 if (r < 0)
  82                         return r;
  83         }
  84
  85         return sd_bus_message_close_container(reply);
  86 }
  87
  88 const sd_bus_vtable bus_socket_vtable[] = {
  89         SD_BUS_VTABLE_START(0),
  90         SD_BUS_PROPERTY("BindIPv6Only", "s", property_get_bind_ipv6_only, offsetof(Socket, bind_ipv6_only), 0),
  91         SD_BUS_PROPERTY("Backlog", "u", bus_property_get_unsigned, offsetof(Socket, backlog), 0),
  92         SD_BUS_PROPERTY("TimeoutUSec", "t", bus_property_get_usec, offsetof(Socket, timeout_usec), 0),
  93         SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Socket, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
  94         SD_BUS_PROPERTY("BindToDevice", "s", NULL, offsetof(Socket, bind_to_device), 0),
  95         SD_BUS_PROPERTY("DirectoryMode", "u", bus_property_get_mode, offsetof(Socket, directory_mode), 0),
  96         SD_BUS_PROPERTY("SocketMode", "u", bus_property_get_mode, offsetof(Socket, socket_mode), 0),
  97         SD_BUS_PROPERTY("Accept", "b", bus_property_get_bool, offsetof(Socket, accept), 0),
  98         SD_BUS_PROPERTY("KeepAlive", "b", bus_property_get_bool, offsetof(Socket, keep_alive), 0),
  99         SD_BUS_PROPERTY("Priority", "i", bus_property_get_int, offsetof(Socket, priority), 0),
 100         SD_BUS_PROPERTY("ReceiveBuffer", "t", bus_property_get_size, offsetof(Socket, receive_buffer), 0),
 101         SD_BUS_PROPERTY("SendBuffer", "t", bus_property_get_size, offsetof(Socket, send_buffer), 0),
 102         SD_BUS_PROPERTY("IPTOS", "i", bus_property_get_int, offsetof(Socket, ip_tos), 0),
 103         SD_BUS_PROPERTY("IPTTL", "i", bus_property_get_int, offsetof(Socket, ip_ttl), 0),
 104         SD_BUS_PROPERTY("PipeSize", "t", bus_property_get_size, offsetof(Socket, pipe_size), 0),
 105         SD_BUS_PROPERTY("FreeBind", "b", bus_property_get_bool, offsetof(Socket, free_bind), 0),
 106         SD_BUS_PROPERTY("Transparent", "b", bus_property_get_bool, offsetof(Socket, transparent), 0),
 107         SD_BUS_PROPERTY("Broadcast", "b", bus_property_get_bool, offsetof(Socket, broadcast), 0),
 108         SD_BUS_PROPERTY("PassCredentials", "b", bus_property_get_bool, offsetof(Socket, pass_cred), 0),
 109         SD_BUS_PROPERTY("PassSecurity", "b", bus_property_get_bool, offsetof(Socket, pass_sec), 0),
 110         SD_BUS_PROPERTY("Listen", "a(ss)", property_get_listen, 0, 0),
 111         SD_BUS_PROPERTY("Mark", "i", bus_property_get_int, offsetof(Socket, mark), 0),
 112         SD_BUS_PROPERTY("MaxConnections", "u", bus_property_get_unsigned, offsetof(Socket, max_connections), 0),
 113         SD_BUS_PROPERTY("NConnections", "u", bus_property_get_unsigned, offsetof(Socket, n_connections), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
 114         SD_BUS_PROPERTY("NAccepted", "u", bus_property_get_unsigned, offsetof(Socket, n_accepted), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
 115         SD_BUS_PROPERTY("MessageQueueMaxMessages", "x", bus_property_get_long, offsetof(Socket, mq_maxmsg), 0),
 116         SD_BUS_PROPERTY("MessageQueueMessageSize", "x", bus_property_get_long, offsetof(Socket, mq_msgsize), 0),
 117         SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Socket, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
 118         SD_BUS_PROPERTY("ReusePort", "b",  bus_property_get_bool, offsetof(Socket, reuse_port), 0),
 119         SD_BUS_PROPERTY("SmackLabel", "s", NULL, offsetof(Socket, smack), 0),
 120         SD_BUS_PROPERTY("SmackLabelIPIn", "s", NULL, offsetof(Socket, smack_ip_in), 0),
 121         SD_BUS_PROPERTY("SmackLabelIPOut", "s", NULL, offsetof(Socket, smack_ip_out), 0),
 122         BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]), 0),
 123         BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), 0),
 124         BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPre", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]), 0),
 125         BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]), 0),
 126         SD_BUS_VTABLE_END
 127 };
 128
 129 const char* const bus_socket_changing_properties[] = {
 130         "ControlPID",
 131         "NAccepted",
 132         "NConnections",
 133         "Result",
 134         NULL
 135 };
 136
 137 int bus_socket_set_property(
 138                 Unit *u,
 139                 const char *name,
 140                 sd_bus_message *message,
 141                 UnitSetPropertiesMode mode,
 142                 sd_bus_error *error) {
 143
 144         Socket *s = SOCKET(u);
 145
 146         assert(s);
 147         assert(name);
 148         assert(message);
 149
 150         return bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
 151 }
 152
 153 int bus_socket_commit_properties(Unit *u) {
 154         assert(u);
 155
 156         unit_realize_cgroup(u);
 157         return 0;
 158 }