./tools/notsd-move

1 files changed, 399 insertions, 0 deletions

diff --git a/src/grp-login/systemd-logind/logind-user-dbus.c b/src/grp-login/systemd-logind/logind-user-dbus.c
new file mode 100644
index 0000000000..57d1c857e6
--- /dev/null
+++ b/src/grp-login/systemd-logind/logind-user-dbus.c
@@ -0,0 +1,399 @@
+/***
+  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 "basic/alloc-util.h"
+#include "basic/formats-util.h"
+#include "basic/signal-util.h"
+#include "basic/strv.h"
+#include "basic/user-util.h"
+#include "shared/bus-util.h"
+
+#include "logind-user.h"
+#include "logind.h"
+
+static int property_get_display(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        _cleanup_free_ char *p = NULL;
+        User *u = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        p = u->display ? session_bus_path(u->display) : strdup("/");
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_message_append(reply, "(so)", u->display ? u->display->id : "", p);
+}
+
+static int property_get_state(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        User *u = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        return sd_bus_message_append(reply, "s", user_state_to_string(user_get_state(u)));
+}
+
+static int property_get_sessions(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        User *u = userdata;
+        Session *session;
+        int r;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        r = sd_bus_message_open_container(reply, 'a', "(so)");
+        if (r < 0)
+                return r;
+
+        LIST_FOREACH(sessions_by_user, session, u->sessions) {
+                _cleanup_free_ char *p = NULL;
+
+                p = session_bus_path(session);
+                if (!p)
+                        return -ENOMEM;
+
+                r = sd_bus_message_append(reply, "(so)", session->id, p);
+                if (r < 0)
+                        return r;
+
+        }
+
+        return sd_bus_message_close_container(reply);
+}
+
+static int property_get_idle_hint(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        User *u = userdata;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        return sd_bus_message_append(reply, "b", user_get_idle_hint(u, NULL) > 0);
+}
+
+static int property_get_idle_since_hint(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        User *u = userdata;
+        dual_timestamp t = DUAL_TIMESTAMP_NULL;
+        uint64_t k;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        user_get_idle_hint(u, &t);
+        k = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic;
+
+        return sd_bus_message_append(reply, "t", k);
+}
+
+static int property_get_linger(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        User *u = userdata;
+        int r;
+
+        assert(bus);
+        assert(reply);
+        assert(u);
+
+        r = user_check_linger_file(u);
+
+        return sd_bus_message_append(reply, "b", r > 0);
+}
+
+int bus_user_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        User *u = userdata;
+        int r;
+
+        assert(message);
+        assert(u);
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.login1.manage",
+                        NULL,
+                        false,
+                        u->uid,
+                        &u->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = user_stop(u, true);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_user_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        User *u = userdata;
+        int32_t signo;
+        int r;
+
+        assert(message);
+        assert(u);
+
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_KILL,
+                        "org.freedesktop.login1.manage",
+                        NULL,
+                        false,
+                        u->uid,
+                        &u->manager->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
+        r = sd_bus_message_read(message, "i", &signo);
+        if (r < 0)
+                return r;
+
+        if (!SIGNAL_VALID(signo))
+                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
+
+        r = user_kill(u, signo);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+const sd_bus_vtable user_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_PROPERTY("UID", "u", bus_property_get_uid, offsetof(User, uid), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("GID", "u", bus_property_get_gid, offsetof(User, gid), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Name", "s", NULL, offsetof(User, name), SD_BUS_VTABLE_PROPERTY_CONST),
+        BUS_PROPERTY_DUAL_TIMESTAMP("Timestamp", offsetof(User, timestamp), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
+        SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, 0),
+        SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
+
+        SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
+
+        SD_BUS_VTABLE_END
+};
+
+int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        Manager *m = userdata;
+        uid_t uid;
+        User *user;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(found);
+        assert(m);
+
+        if (streq(path, "/org/freedesktop/login1/user/self")) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+                sd_bus_message *message;
+
+                message = sd_bus_get_current_message(bus);
+                if (!message)
+                        return 0;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_owner_uid(creds, &uid);
+        } else {
+                const char *p;
+
+                p = startswith(path, "/org/freedesktop/login1/user/_");
+                if (!p)
+                        return 0;
+
+                r = parse_uid(p, &uid);
+        }
+        if (r < 0)
+                return 0;
+
+        user = hashmap_get(m->users, UID_TO_PTR(uid));
+        if (!user)
+                return 0;
+
+        *found = user;
+        return 1;
+}
+
+char *user_bus_path(User *u) {
+        char *s;
+
+        assert(u);
+
+        if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
+                return NULL;
+
+        return s;
+}
+
+int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        sd_bus_message *message;
+        Manager *m = userdata;
+        User *user;
+        Iterator i;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(nodes);
+
+        HASHMAP_FOREACH(user, m->users, i) {
+                char *p;
+
+                p = user_bus_path(user);
+                if (!p)
+                        return -ENOMEM;
+
+                r = strv_consume(&l, p);
+                if (r < 0)
+                        return r;
+        }
+
+        message = sd_bus_get_current_message(bus);
+        if (message) {
+                _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+                uid_t uid;
+
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
+                if (r >= 0) {
+                        r = sd_bus_creds_get_owner_uid(creds, &uid);
+                        if (r >= 0) {
+                                user = hashmap_get(m->users, UID_TO_PTR(uid));
+                                if (user) {
+                                        r = strv_extend(&l, "/org/freedesktop/login1/user/self");
+                                        if (r < 0)
+                                                return r;
+                                }
+                        }
+                }
+        }
+
+        *nodes = l;
+        l = NULL;
+
+        return 1;
+}
+
+int user_send_signal(User *u, bool new_user) {
+        _cleanup_free_ char *p = NULL;
+
+        assert(u);
+
+        p = user_bus_path(u);
+        if (!p)
+                return -ENOMEM;
+
+        return sd_bus_emit_signal(
+                        u->manager->bus,
+                        "/org/freedesktop/login1",
+                        "org.freedesktop.login1.Manager",
+                        new_user ? "UserNew" : "UserRemoved",
+                        "uo", (uint32_t) u->uid, p);
+}
+
+int user_send_changed(User *u, const char *properties, ...) {
+        _cleanup_free_ char *p = NULL;
+        char **l;
+
+        assert(u);
+
+        if (!u->started)
+                return 0;
+
+        p = user_bus_path(u);
+        if (!p)
+                return -ENOMEM;
+
+        l = strv_from_stdarg_alloca(properties);
+
+        return sd_bus_emit_properties_changed_strv(u->manager->bus, p, "org.freedesktop.login1.User", l);
+}