src/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 General Public License as published by
  10   the Free Software Foundation; either version 2 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   General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <errno.h>
  23
  24 #include "dbus-unit.h"
  25 #include "dbus-socket.h"
  26 #include "dbus-execute.h"
  27 #include "dbus-common.h"
  28
  29 #define BUS_SOCKET_INTERFACE                                            \
  30         " <interface name=\"org.freedesktop.systemd1.Socket\">\n"       \
  31         "  <property name=\"BindIPv6Only\" type=\"b\" access=\"read\"/>\n" \
  32         "  <property name=\"Backlog\" type=\"u\" access=\"read\"/>\n"   \
  33         "  <property name=\"TimeoutUSec\" type=\"t\" access=\"read\"/>\n" \
  34         BUS_EXEC_COMMAND_INTERFACE("ExecStartPre")                      \
  35         BUS_EXEC_COMMAND_INTERFACE("ExecStartPost")                     \
  36         BUS_EXEC_COMMAND_INTERFACE("ExecStopPre")                       \
  37         BUS_EXEC_COMMAND_INTERFACE("ExecStopPost")                      \
  38         BUS_EXEC_CONTEXT_INTERFACE                                      \
  39         "  <property name=\"ControlPID\" type=\"u\" access=\"read\"/>\n" \
  40         "  <property name=\"BindToDevice\" type=\"s\" access=\"read\"/>\n" \
  41         "  <property name=\"DirectoryMode\" type=\"u\" access=\"read\"/>\n" \
  42         "  <property name=\"SocketMode\" type=\"u\" access=\"read\"/>\n" \
  43         "  <property name=\"Accept\" type=\"b\" access=\"read\"/>\n"    \
  44         "  <property name=\"KeepAlive\" type=\"b\" access=\"read\"/>\n" \
  45         "  <property name=\"Priority\" type=\"i\" access=\"read\"/>\n"  \
  46         "  <property name=\"ReceiveBuffer\" type=\"t\" access=\"read\"/>\n" \
  47         "  <property name=\"SendBuffer\" type=\"t\" access=\"read\"/>\n" \
  48         "  <property name=\"IPTOS\" type=\"i\" access=\"read\"/>\n"     \
  49         "  <property name=\"IPTTL\" type=\"i\" access=\"read\"/>\n"     \
  50         "  <property name=\"PipeSize\" type=\"t\" access=\"read\"/>\n"  \
  51         "  <property name=\"FreeBind\" type=\"b\" access=\"read\"/>\n"  \
  52         "  <property name=\"Transparent\" type=\"b\" access=\"read\"/>\n" \
  53         "  <property name=\"Broadcast\" type=\"b\" access=\"read\"/>\n" \
  54         "  <property name=\"PassCredentials\" type=\"b\" access=\"read\"/>\n" \
  55         "  <property name=\"PassSecurity\" type=\"b\" access=\"read\"/>\n" \
  56         "  <property name=\"Mark\" type=\"i\" access=\"read\"/>\n"      \
  57         "  <property name=\"MaxConnections\" type=\"u\" access=\"read\"/>\n" \
  58         "  <property name=\"NAccepted\" type=\"u\" access=\"read\"/>\n" \
  59         "  <property name=\"NConnections\" type=\"u\" access=\"read\"/>\n" \
  60         "  <property name=\"MessageQueueMaxMessages\" type=\"x\" access=\"read\"/>\n" \
  61         "  <property name=\"MessageQueueMessageSize\" type=\"x\" access=\"read\"/>\n" \
  62         "  <property name=\"Result\" type=\"s\" access=\"read\"/>\n"    \
  63         " </interface>\n"                                               \
  64
  65 #define INTROSPECTION                                                   \
  66         DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE                       \
  67         "<node>\n"                                                      \
  68         BUS_UNIT_INTERFACE                                              \
  69         BUS_SOCKET_INTERFACE                                            \
  70         BUS_PROPERTIES_INTERFACE                                        \
  71         BUS_PEER_INTERFACE                                              \
  72         BUS_INTROSPECTABLE_INTERFACE                                    \
  73         "</node>\n"
  74
  75 #define INTERFACES_LIST                              \
  76         BUS_UNIT_INTERFACES_LIST                     \
  77         "org.freedesktop.systemd1.Socket\0"
  78
  79 const char bus_socket_interface[] _introspect_("Socket") = BUS_SOCKET_INTERFACE;
  80
  81 const char bus_socket_invalidating_properties[] =
  82         "ExecStartPre\0"
  83         "ExecStartPost\0"
  84         "ExecStopPre\0"
  85         "ExecStopPost\0"
  86         "ControlPID\0"
  87         "NAccepted\0"
  88         "NConnections\0"
  89         "Result\0";
  90
  91 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_bind_ipv6_only, socket_address_bind_ipv6_only, SocketAddressBindIPv6Only);
  92 static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_socket_append_socket_result, socket_result, SocketResult);
  93
  94 static const BusProperty bus_socket_properties[] = {
  95         { "BindIPv6Only",   bus_socket_append_bind_ipv6_only,  "s", offsetof(Socket, bind_ipv6_only)  },
  96         { "Backlog",        bus_property_append_unsigned,      "u", offsetof(Socket, backlog)         },
  97         { "TimeoutUSec",    bus_property_append_usec,          "t", offsetof(Socket, timeout_usec)    },
  98         BUS_EXEC_COMMAND_PROPERTY("ExecStartPre",  offsetof(Socket, exec_command[SOCKET_EXEC_START_PRE]),  true ),
  99         BUS_EXEC_COMMAND_PROPERTY("ExecStartPost", offsetof(Socket, exec_command[SOCKET_EXEC_START_POST]), true ),
 100         BUS_EXEC_COMMAND_PROPERTY("ExecStopPre",   offsetof(Socket, exec_command[SOCKET_EXEC_STOP_PRE]),   true ),
 101         BUS_EXEC_COMMAND_PROPERTY("ExecStopPost",  offsetof(Socket, exec_command[SOCKET_EXEC_STOP_POST]),  true ),
 102         { "ControlPID",     bus_property_append_pid,           "u", offsetof(Socket, control_pid)     },
 103         { "BindToDevice",   bus_property_append_string,        "s", offsetof(Socket, bind_to_device), true },
 104         { "DirectoryMode",  bus_property_append_mode,          "u", offsetof(Socket, directory_mode)  },
 105         { "SocketMode",     bus_property_append_mode,          "u", offsetof(Socket, socket_mode)     },
 106         { "Accept",         bus_property_append_bool,          "b", offsetof(Socket, accept)          },
 107         { "KeepAlive",      bus_property_append_bool,          "b", offsetof(Socket, keep_alive)      },
 108         { "Priority",       bus_property_append_int,           "i", offsetof(Socket, priority)        },
 109         { "ReceiveBuffer",  bus_property_append_size,          "t", offsetof(Socket, receive_buffer)  },
 110         { "SendBuffer",     bus_property_append_size,          "t", offsetof(Socket, send_buffer)     },
 111         { "IPTOS",          bus_property_append_int,           "i", offsetof(Socket, ip_tos)          },
 112         { "IPTTL",          bus_property_append_int,           "i", offsetof(Socket, ip_ttl)          },
 113         { "PipeSize",       bus_property_append_size,          "t", offsetof(Socket, pipe_size)       },
 114         { "FreeBind",       bus_property_append_bool,          "b", offsetof(Socket, free_bind)       },
 115         { "Transparent",    bus_property_append_bool,          "b", offsetof(Socket, transparent)     },
 116         { "Broadcast",      bus_property_append_bool,          "b", offsetof(Socket, broadcast)       },
 117         { "PassCredentials",bus_property_append_bool,          "b", offsetof(Socket, pass_cred)       },
 118         { "PassSecurity",   bus_property_append_bool,          "b", offsetof(Socket, pass_sec)        },
 119         { "Mark",           bus_property_append_int,           "i", offsetof(Socket, mark)            },
 120         { "MaxConnections", bus_property_append_unsigned,      "u", offsetof(Socket, max_connections) },
 121         { "NConnections",   bus_property_append_unsigned,      "u", offsetof(Socket, n_connections)   },
 122         { "NAccepted",      bus_property_append_unsigned,      "u", offsetof(Socket, n_accepted)      },
 123         { "MessageQueueMaxMessages", bus_property_append_long, "x", offsetof(Socket, mq_maxmsg)       },
 124         { "MessageQueueMessageSize", bus_property_append_long, "x", offsetof(Socket, mq_msgsize)      },
 125         { "Result",         bus_socket_append_socket_result,   "s", offsetof(Socket, result)          },
 126         { NULL, }
 127 };
 128
 129 DBusHandlerResult bus_socket_message_handler(Unit *u, DBusConnection *c, DBusMessage *message) {
 130         Socket *s = SOCKET(u);
 131         const BusBoundProperties bps[] = {
 132                 { "org.freedesktop.systemd1.Unit",   bus_unit_properties,         u },
 133                 { "org.freedesktop.systemd1.Socket", bus_socket_properties,       s },
 134                 { "org.freedesktop.systemd1.Socket", bus_exec_context_properties, &s->exec_context },
 135                 { NULL, }
 136         };
 137
 138         return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps);
 139 }