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Diffstat (limited to 'src/core/dbus-socket.c')
| -rw-r--r-- | src/core/dbus-socket.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/core/dbus-socket.c b/src/core/dbus-socket.c new file mode 100644 index 0000000000..77d98ea0fd --- /dev/null +++ b/src/core/dbus-socket.c @@ -0,0 +1,215 @@ +/*-*- 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-socket.h" +#include "dbus-execute.h" +#include "dbus-kill.h" +#include "dbus-common.h" +#include "selinux-access.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_UNIT_CGROUP_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_unit_properties, u }, + { NULL, } + }; + + SELINUX_UNIT_ACCESS_CHECK(u, c, message, "status"); + + return bus_default_message_handler(c, message, INTROSPECTION, INTERFACES_LIST, bps); +} |