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-rw-r--r--src/logind-dbus.c235
1 files changed, 235 insertions, 0 deletions
diff --git a/src/logind-dbus.c b/src/logind-dbus.c
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+++ b/src/logind-dbus.c
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2011 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "logind.h"
+#include "dbus-common.h"
+
+#define BUS_MANAGER_INTERFACE \
+ " <interface name=\"org.freedesktop.login1.Manager\">\n" \
+ " <method name=\"GetSeat\">\n" \
+ " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"GetUser\">\n" \
+ " <arg name=\"uid\" type=\"t\" direction=\"in\"/>\n" \
+ " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"GetSession\">\n" \
+ " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"ListSeats\">\n" \
+ " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"ListUsers\">\n" \
+ " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"ListSessions\">\n" \
+ " <arg name=\"users\" type=\"a(sussso)\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"CreateSession\">\n" \
+ " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \
+ " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \
+ " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \
+ " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \
+ " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \
+ " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \
+ " <arg name=\"kill_processes\" type=\"as\" direction=\"in\"/>\n" \
+ " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \
+ " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \
+ " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \
+ " </method>\n" \
+ " <method name=\"TerminateSession\">\n" \
+ " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"TerminateUser\">\n" \
+ " <arg name=\"uid\" type=\"t\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <method name=\"TerminateSeat\">\n" \
+ " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \
+ " </method>\n" \
+ " <signal name=\"SessionNew\">\n" \
+ " <arg name=\"id\" type=\"s\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"SessionRemoved\">\n" \
+ " <arg name=\"id\" type=\"s\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"UserNew\">\n" \
+ " <arg name=\"uid\" type=\"u\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"UserRemoved\">\n" \
+ " <arg name=\"uid\" type=\"u\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"SeatNew\">\n" \
+ " <arg name=\"id\" type=\"s\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <signal name=\"SeatRemoved\">\n" \
+ " <arg name=\"id\" type=\"s\"/>\n" \
+ " <arg name=\"path\" type=\"o\"/>\n" \
+ " </signal>\n" \
+ " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \
+ " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \
+ " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \
+ " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \
+ " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \
+ " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \
+ " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \
+ " </interface>\n"
+
+#define INTROSPECTION_BEGIN \
+ DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
+ "<node>\n" \
+ BUS_MANAGER_INTERFACE \
+ BUS_PROPERTIES_INTERFACE \
+ BUS_PEER_INTERFACE \
+ BUS_INTROSPECTABLE_INTERFACE
+
+#define INTROSPECTION_END \
+ "</node>\n"
+
+#define INTERFACES_LIST \
+ BUS_GENERIC_INTERFACES_LIST \
+ "org.freedesktop.login1.Manager\0"
+
+static DBusHandlerResult manager_message_handler(
+ DBusConnection *connection,
+ DBusMessage *message,
+ void *userdata) {
+
+ Manager *m = userdata;
+
+ const BusProperty properties[] = {
+ { "org.freedesktop.login1.Manager", "ControlGroupHierarchy", bus_property_append_string, "s", m->cgroup_path },
+ { "org.freedesktop.login1.Manager", "Controllers", bus_property_append_strv, "as", m->controllers },
+ { "org.freedesktop.login1.Manager", "ResetControllers", bus_property_append_strv, "as", m->reset_controllers },
+ { "org.freedesktop.login1.Manager", "NAutoVTs", bus_property_append_unsigned, "u", &m->n_autovts },
+ { "org.freedesktop.login1.Manager", "KillOnlyUsers", bus_property_append_strv, "as", m->kill_only_users },
+ { "org.freedesktop.login1.Manager", "KillExcludeUsers", bus_property_append_strv, "as", m->kill_exclude_users },
+ { "org.freedesktop.login1.Manager", "KillUserProcesses", bus_property_append_bool, "b", &m->kill_user_processes },
+ { NULL, NULL, NULL, NULL, NULL }
+ };
+
+ DBusError error;
+ DBusMessage *reply = NULL;
+
+ assert(connection);
+ assert(message);
+ assert(m);
+
+ dbus_error_init(&error);
+
+ if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
+ char *introspection = NULL;
+ FILE *f;
+ Iterator i;
+ Session *session;
+ Seat *seat;
+ User *user;
+ size_t size;
+ char *p;
+
+ if (!(reply = dbus_message_new_method_return(message)))
+ goto oom;
+
+ /* We roll our own introspection code here, instead of
+ * relying on bus_default_message_handler() because we
+ * need to generate our introspection string
+ * dynamically. */
+
+ if (!(f = open_memstream(&introspection, &size)))
+ goto oom;
+
+ fputs(INTROSPECTION_BEGIN, f);
+
+ HASHMAP_FOREACH(seat, m->seats, i) {
+ p = bus_path_escape(seat->id);
+
+ if (p) {
+ fprintf(f, "<node name=\"seat/%s\"/>", p);
+ free(p);
+ }
+ }
+
+ HASHMAP_FOREACH(user, m->users, i)
+ fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid);
+
+ HASHMAP_FOREACH(session, m->sessions, i) {
+ p = bus_path_escape(session->id);
+
+ if (p) {
+ fprintf(f, "<node name=\"session/%s\"/>", p);
+ free(p);
+ }
+ }
+
+ fputs(INTROSPECTION_END, f);
+
+ if (ferror(f)) {
+ fclose(f);
+ free(introspection);
+ goto oom;
+ }
+
+ fclose(f);
+
+ if (!introspection)
+ goto oom;
+
+ if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) {
+ free(introspection);
+ goto oom;
+ }
+
+ free(introspection);
+ } else
+ return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, properties);
+
+ if (reply) {
+ if (!dbus_connection_send(connection, reply, NULL))
+ goto oom;
+
+ dbus_message_unref(reply);
+ }
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+oom:
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return DBUS_HANDLER_RESULT_NEED_MEMORY;
+}
+
+const DBusObjectPathVTable bus_manager_vtable = {
+ .message_function = manager_message_handler
+};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-12 03:35:05 +0000