diff options
Diffstat (limited to 'src/login/logind-user-dbus.c')
| -rw-r--r-- | src/login/logind-user-dbus.c | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/src/login/logind-user-dbus.c b/src/login/logind-user-dbus.c deleted file mode 100644 index ddf9d9d5cf..0000000000 --- a/src/login/logind-user-dbus.c +++ /dev/null @@ -1,437 +0,0 @@ -/*-*- 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 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 <string.h> - -#include "logind.h" -#include "logind-user.h" -#include "dbus-common.h" - -#define BUS_USER_INTERFACE \ - " <interface name=\"org.freedesktop.login1.User\">\n" \ - " <method name=\"Terminate\"/>\n" \ - " <method name=\"Kill\">\n" \ - " <arg name=\"signal\" type=\"s\"/>\n" \ - " </method>\n" \ - " <property name=\"UID\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"GID\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"Name\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Timestamp\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"TimestampMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"RuntimePath\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"DefaultControlGroup\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Service\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Display\" type=\"(so)\" access=\"read\"/>\n" \ - " <property name=\"State\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"Sessions\" type=\"a(so)\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " </interface>\n" \ - -#define INTROSPECTION \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_USER_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.User\0" - -static int bus_user_append_display(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub; - User *u = data; - const char *id, *path; - char *p = NULL; - - assert(i); - assert(property); - assert(u); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - if (u->display) { - id = u->display->id; - path = p = session_bus_path(u->display); - - if (!p) - return -ENOMEM; - } else { - id = ""; - path = "/"; - } - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &path)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_state(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - const char *state; - - assert(i); - assert(property); - assert(u); - - state = user_state_to_string(user_get_state(u)); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_sessions(DBusMessageIter *i, const char *property, void *data) { - DBusMessageIter sub, sub2; - User *u = data; - Session *session; - - assert(i); - assert(property); - assert(u); - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(so)", &sub)) - return -ENOMEM; - - LIST_FOREACH(sessions_by_user, session, u->sessions) { - char *p; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - return -ENOMEM; - - p = session_bus_path(session); - if (!p) - return -ENOMEM; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - return -ENOMEM; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - return -ENOMEM; - } - - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(u); - - b = user_get_idle_hint(u, NULL) > 0; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - dual_timestamp t; - uint64_t k; - - assert(i); - assert(property); - assert(u); - - user_get_idle_hint(u, &t); - k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &k)) - return -ENOMEM; - - return 0; -} - -static int bus_user_append_default_cgroup(DBusMessageIter *i, const char *property, void *data) { - User *u = data; - char *t; - int r; - bool success; - - assert(i); - assert(property); - assert(u); - - r = cg_join_spec(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, &t); - if (r < 0) - return r; - - success = dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &t); - free(t); - - return success ? 0 : -ENOMEM; -} - -static int get_user_for_path(Manager *m, const char *path, User **_u) { - User *u; - unsigned long lu; - int r; - - assert(m); - assert(path); - assert(_u); - - if (!startswith(path, "/org/freedesktop/login1/user/")) - return -EINVAL; - - r = safe_atolu(path + 29, &lu); - if (r < 0) - return r; - - u = hashmap_get(m->users, ULONG_TO_PTR(lu)); - if (!u) - return -ENOENT; - - *_u = u; - return 0; -} - -static const BusProperty bus_login_user_properties[] = { - { "UID", bus_property_append_uid, "u", offsetof(User, uid) }, - { "GID", bus_property_append_gid, "u", offsetof(User, gid) }, - { "Name", bus_property_append_string, "s", offsetof(User, name), true }, - { "Timestamp", bus_property_append_usec, "t", offsetof(User, timestamp.realtime) }, - { "TimestampMonotonic", bus_property_append_usec, "t", offsetof(User, timestamp.monotonic) }, - { "RuntimePath", bus_property_append_string, "s", offsetof(User, runtime_path), true }, - { "DefaultControlGroup", bus_user_append_default_cgroup, "s", 0 }, - { "Service", bus_property_append_string, "s", offsetof(User, service), true }, - { "Display", bus_user_append_display, "(so)", 0 }, - { "State", bus_user_append_state, "s", 0 }, - { "Sessions", bus_user_append_sessions, "a(so)", 0 }, - { "IdleHint", bus_user_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_user_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_user_append_idle_hint_since, "t", 0 }, - { NULL, } -}; - -static DBusHandlerResult user_message_dispatch( - User *u, - DBusConnection *connection, - DBusMessage *message) { - - DBusError error; - DBusMessage *reply = NULL; - int r; - - assert(u); - assert(connection); - assert(message); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.User", "Terminate")) { - - r = user_stop(u); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.User", "Kill")) { - int32_t signo; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = user_kill(u, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.User", bus_login_user_properties, u }, - { NULL, } - }; - - return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps); - } - - 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; -} - -static DBusHandlerResult user_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - - Manager *m = userdata; - User *u; - int r; - - r = get_user_for_path(m, dbus_message_get_path(message), &u); - if (r < 0) { - - if (r == -ENOMEM) - return DBUS_HANDLER_RESULT_NEED_MEMORY; - - if (r == -ENOENT) { - DBusError e; - - dbus_error_init(&e); - dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown user"); - return bus_send_error_reply(connection, message, &e, r); - } - - return bus_send_error_reply(connection, message, NULL, r); - } - - return user_message_dispatch(u, connection, message); -} - -const DBusObjectPathVTable bus_user_vtable = { - .message_function = user_message_handler -}; - -char *user_bus_path(User *u) { - char *s; - - assert(u); - - if (asprintf(&s, "/org/freedesktop/login1/user/%llu", (unsigned long long) u->uid) < 0) - return NULL; - - return s; -} - -int user_send_signal(User *u, bool new_user) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - uint32_t uid; - - assert(u); - - m = dbus_message_new_signal("/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - new_user ? "UserNew" : "UserRemoved"); - - if (!m) - return -ENOMEM; - - p = user_bus_path(u); - if (!p) - goto finish; - - uid = u->uid; - - if (!dbus_message_append_args( - m, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - goto finish; - - if (!dbus_connection_send(u->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - dbus_message_unref(m); - free(p); - - return r; -} - -int user_send_changed(User *u, const char *properties) { - DBusMessage *m; - int r = -ENOMEM; - char *p = NULL; - - assert(u); - - if (!u->started) - return 0; - - p = user_bus_path(u); - if (!p) - return -ENOMEM; - - m = bus_properties_changed_new(p, "org.freedesktop.login1.User", properties); - if (!m) - goto finish; - - if (!dbus_connection_send(u->manager->bus, m, NULL)) - goto finish; - - r = 0; - -finish: - if (m) - dbus_message_unref(m); - free(p); - - return r; -} |