chiark / gitweb /
login: make hold-off timeout configurable
[elogind.git] / src / login / logind-dbus.c
index c0d13094740d913cc660be7e4adb15d602c4c510..b28d28093934877feb38c602b0306cbf62be813c 100644 (file)
@@ -24,7 +24,6 @@
 #include <unistd.h>
 #include <pwd.h>
 
-#include "sd-id128.h"
 #include "sd-messages.h"
 #include "strv.h"
 #include "mkdir.h"
 #include "special.h"
 #include "sleep-config.h"
 #include "fileio-label.h"
-#include "label.h"
-#include "utf8.h"
 #include "unit-name.h"
-#include "virt.h"
 #include "audit.h"
 #include "bus-util.h"
 #include "bus-error.h"
-#include "logind.h"
 #include "bus-common-errors.h"
 #include "udev-util.h"
+#include "selinux-util.h"
+#include "logind.h"
+
+int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) {
+        _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+        Session *session;
+        int r;
+
+        assert(m);
+        assert(message);
+        assert(ret);
+
+        if (isempty(name)) {
+                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds);
+                if (r < 0)
+                        return r;
+
+                r = sd_bus_creds_get_session(creds, &name);
+                if (r < 0)
+                        return r;
+        }
+
+        session = hashmap_get(m->sessions, name);
+        if (!session)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
+
+        *ret = session;
+        return 0;
+}
+
+int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) {
+        User *user;
+        int r;
+
+        assert(m);
+        assert(message);
+        assert(ret);
+
+        if (uid == UID_INVALID) {
+                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+
+                /* Note that we get the owner UID of the session, not the actual client UID here! */
+                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);
+                if (r < 0)
+                        return r;
+        }
+
+        user = hashmap_get(m->users, UID_TO_PTR(uid));
+        if (!user)
+                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
+
+        *ret = user;
+        return 0;
+}
+
+int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) {
+        Seat *seat;
+        int r;
+
+        assert(m);
+        assert(message);
+        assert(ret);
+
+        if (isempty(name)) {
+                Session *session;
+
+                r = manager_get_session_from_creds(m, message, NULL, error, &session);
+                if (r < 0)
+                        return r;
+
+                seat = session->seat;
+
+                if (!seat)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat.");
+        } else {
+                seat = hashmap_get(m->seats, name);
+                if (!seat)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
+        }
+
+        *ret = seat;
+        return 0;
+}
 
 static int property_get_idle_hint(
                 sd_bus *bus,
@@ -144,9 +226,9 @@ static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userda
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
+        r = manager_get_session_from_creds(m, message, name, error, &session);
+        if (r < 0)
+                return r;
 
         p = session_bus_path(session);
         if (!p)
@@ -172,23 +254,18 @@ static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void
         if (r < 0)
                 return r;
 
-        if (pid == 0) {
-                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
-
-                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+        if (pid <= 0) {
+                r = manager_get_session_from_creds(m, message, NULL, error, &session);
                 if (r < 0)
                         return r;
-
-                r = sd_bus_creds_get_pid(creds, &pid);
+        } else {
+                r = manager_get_session_by_pid(m, pid, &session);
                 if (r < 0)
                         return r;
-        }
 
-        r = manager_get_session_by_pid(m, pid, &session);
-        if (r < 0)
-                return r;
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
+                if (!session)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid);
+        }
 
         p = session_bus_path(session);
         if (!p)
@@ -212,9 +289,9 @@ static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata,
         if (r < 0)
                 return r;
 
-        user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
-        if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
+        r = manager_get_user_from_creds(m, message, uid, error, &user);
+        if (r < 0)
+                return r;
 
         p = user_bus_path(user);
         if (!p)
@@ -240,24 +317,18 @@ static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *us
         if (r < 0)
                 return r;
 
-        if (pid == 0) {
-                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
-
-                r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+        if (pid <= 0) {
+                r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
                 if (r < 0)
                         return r;
-
-                r = sd_bus_creds_get_pid(creds, &pid);
+        } else {
+                r = manager_get_user_by_pid(m, pid, &user);
                 if (r < 0)
                         return r;
+                if (!user)
+                        return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
         }
 
-        r = manager_get_user_by_pid(m, pid, &user);
-        if (r < 0)
-                return r;
-        if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid);
-
         p = user_bus_path(user);
         if (!p)
                 return -ENOMEM;
@@ -280,9 +351,9 @@ static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata,
         if (r < 0)
                 return r;
 
-        seat = hashmap_get(m->seats, name);
-        if (!seat)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
+        r = manager_get_seat_from_creds(m, message, name, error, &seat);
+        if (r < 0)
+                return r;
 
         p = seat_bus_path(seat);
         if (!p)
@@ -569,8 +640,6 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use
                 if (r < 0)
                         return r;
 
-                assert_cc(sizeof(uint32_t) == sizeof(pid_t));
-
                 r = sd_bus_creds_get_pid(creds, (pid_t*) &leader);
                 if (r < 0)
                         return r;
@@ -754,9 +823,9 @@ static int method_release_session(sd_bus *bus, sd_bus_message *message, void *us
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
+        r = manager_get_session_from_creds(m, message, name, error, &session);
+        if (r < 0)
+                return r;
 
         session_release(session);
 
@@ -777,15 +846,11 @@ static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *u
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
-
-        r = session_activate(session);
+        r = manager_get_session_from_creds(m, message, name, error, &session);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_session_method_activate(bus, message, session, error);
 }
 
 static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -806,13 +871,13 @@ static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message,
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, session_name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name);
+        r = manager_get_session_from_creds(m, message, session_name, error, &session);
+        if (r < 0)
+                return r;
 
-        seat = hashmap_get(m->seats, seat_name);
-        if (!seat)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name);
+        r = manager_get_seat_from_creds(m, message, seat_name, error, &seat);
+        if (r < 0)
+                return r;
 
         if (session->seat != seat)
                 return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name);
@@ -838,15 +903,11 @@ static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userd
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
-
-        r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession"));
+        r = manager_get_session_from_creds(m, message, name, error, &session);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_session_method_lock(bus, message, session, error);
 }
 
 static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -857,6 +918,19 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user
         assert(message);
         assert(m);
 
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_ADMIN,
+                        "org.freedesktop.login1.lock-sessions",
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
+        if (r < 0)
+                return r;
+        if (r == 0)
+                return 1; /* Will call us back */
+
         r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions"));
         if (r < 0)
                 return r;
@@ -865,47 +939,29 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user
 }
 
 static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
-        const char *name, *swho;
+        const char *name;
         Manager *m = userdata;
         Session *session;
-        int32_t signo;
-        KillWho who;
         int r;
 
         assert(bus);
         assert(message);
         assert(m);
 
-        r = sd_bus_message_read(message, "ssi", &name, &swho, &signo);
+        r = sd_bus_message_read(message, "s", &name);
         if (r < 0)
                 return r;
 
-        if (isempty(swho))
-                who = KILL_ALL;
-        else {
-                who = kill_who_from_string(swho);
-                if (who < 0)
-                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho);
-        }
-
-        if (signo <= 0 || signo >= _NSIG)
-                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
-
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
-
-        r = session_kill(session, who, signo);
+        r = manager_get_session_from_creds(m, message, name, error, &session);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_session_method_kill(bus, message, session, error);
 }
 
 static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         Manager *m = userdata;
         uint32_t uid;
-        int32_t signo;
         User *user;
         int r;
 
@@ -913,22 +969,15 @@ static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata
         assert(message);
         assert(m);
 
-        r = sd_bus_message_read(message, "ui", &uid, &signo);
+        r = sd_bus_message_read(message, "u", &uid);
         if (r < 0)
                 return r;
 
-        if (signo <= 0 || signo >= _NSIG)
-                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
-
-        user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
-        if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
-
-        r = user_kill(user, signo);
+        r = manager_get_user_from_creds(m, message, uid, error, &user);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_user_method_kill(bus, message, user, error);
 }
 
 static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -945,15 +994,11 @@ static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *
         if (r < 0)
                 return r;
 
-        session = hashmap_get(m->sessions, name);
-        if (!session)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name);
-
-        r = session_stop(session, true);
+        r = manager_get_session_from_creds(m, message, name, error, &session);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_session_method_terminate(bus, message, session, error);
 }
 
 static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -970,15 +1015,11 @@ static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *use
         if (r < 0)
                 return r;
 
-        user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
-        if (!user)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid);
-
-        r = user_stop(user, true);
+        r = manager_get_user_from_creds(m, message, uid, error, &user);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_user_method_terminate(bus, message, user, error);
 }
 
 static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -995,15 +1036,11 @@ static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *use
         if (r < 0)
                 return r;
 
-        seat = hashmap_get(m->seats, name);
-        if (!seat)
-                return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name);
-
-        r = seat_stop_sessions(seat, true);
+        r = manager_get_seat_from_creds(m, message, name, error, &seat);
         if (r < 0)
                 return r;
 
-        return sd_bus_reply_method_return(message, NULL);
+        return bus_seat_method_terminate(bus, message, seat, error);
 }
 
 static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
@@ -1023,6 +1060,19 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
         if (r < 0)
                 return r;
 
+        if (uid == UID_INVALID) {
+                _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
+
+                /* Note that we get the owner UID of the session, not the actual client UID here! */
+                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);
+                if (r < 0)
+                        return r;
+        }
+
         errno = 0;
         pw = getpwuid(uid);
         if (!pw)
@@ -1033,6 +1083,7 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
                         CAP_SYS_ADMIN,
                         "org.freedesktop.login1.set-user-linger",
                         interactive,
+                        UID_INVALID,
                         &m->polkit_registry,
                         error);
         if (r < 0)
@@ -1050,7 +1101,7 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
         if (!cc)
                 return -ENOMEM;
 
-        path = strappenda("/var/lib/systemd/linger/", cc);
+        path = strjoina("/var/lib/systemd/linger/", cc);
         if (b) {
                 User *u;
 
@@ -1068,7 +1119,7 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
                 if (r < 0 && errno != ENOENT)
                         return -errno;
 
-                u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid));
+                u = hashmap_get(m->users, UID_TO_PTR(uid));
                 if (u)
                         user_add_to_gc_queue(u);
         }
@@ -1205,6 +1256,7 @@ static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *user
                         CAP_SYS_ADMIN,
                         "org.freedesktop.login1.attach-device",
                         interactive,
+                        UID_INVALID,
                         &m->polkit_registry,
                         error);
         if (r < 0)
@@ -1236,6 +1288,7 @@ static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *user
                         CAP_SYS_ADMIN,
                         "org.freedesktop.login1.flush-devices",
                         interactive,
+                        UID_INVALID,
                         &m->polkit_registry,
                         error);
         if (r < 0)
@@ -1395,7 +1448,7 @@ static int execute_shutdown_or_sleep(
         m->action_what = w;
 
         /* Make sure the lid switch is ignored for a while */
-        manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + IGNORE_LID_SWITCH_SUSPEND_USEC);
+        manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
 
         return 0;
 }
@@ -1517,11 +1570,11 @@ static int method_do_shutdown_or_sleep(
                         return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported");
         }
 
-        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
+        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
         if (r < 0)
                 return r;
 
-        r = sd_bus_creds_get_uid(creds, &uid);
+        r = sd_bus_creds_get_euid(creds, &uid);
         if (r < 0)
                 return r;
 
@@ -1533,7 +1586,7 @@ static int method_do_shutdown_or_sleep(
         blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
 
         if (multiple_sessions) {
-                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, &m->polkit_registry, error);
+                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error);
                 if (r < 0)
                         return r;
                 if (r == 0)
@@ -1541,7 +1594,7 @@ static int method_do_shutdown_or_sleep(
         }
 
         if (blocked) {
-                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, &m->polkit_registry, error);
+                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error);
                 if (r < 0)
                         return r;
                 if (r == 0)
@@ -1549,7 +1602,7 @@ static int method_do_shutdown_or_sleep(
         }
 
         if (!multiple_sessions && !blocked) {
-                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, &m->polkit_registry, error);
+                r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, error);
                 if (r < 0)
                         return r;
                 if (r == 0)
@@ -1670,11 +1723,11 @@ static int method_can_shutdown_or_sleep(
                         return sd_bus_reply_method_return(message, "s", "na");
         }
 
-        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds);
+        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
         if (r < 0)
                 return r;
 
-        r = sd_bus_creds_get_uid(creds, &uid);
+        r = sd_bus_creds_get_euid(creds, &uid);
         if (r < 0)
                 return r;
 
@@ -1686,7 +1739,7 @@ static int method_can_shutdown_or_sleep(
         blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL);
 
         if (multiple_sessions) {
-                r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, &challenge, error);
+                r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1699,7 +1752,7 @@ static int method_can_shutdown_or_sleep(
         }
 
         if (blocked) {
-                r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, &challenge, error);
+                r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1715,7 +1768,7 @@ static int method_can_shutdown_or_sleep(
                 /* If neither inhibit nor multiple sessions
                  * apply then just check the normal policy */
 
-                r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, &challenge, error);
+                r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1835,25 +1888,30 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata,
         if (m->action_what & w)
                 return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running");
 
-        r = bus_verify_polkit_async(message, CAP_SYS_BOOT,
-                                    w == INHIBIT_SHUTDOWN             ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
-                                    w == INHIBIT_SLEEP                ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep"    : "org.freedesktop.login1.inhibit-delay-sleep") :
-                                    w == INHIBIT_IDLE                 ? "org.freedesktop.login1.inhibit-block-idle" :
-                                    w == INHIBIT_HANDLE_POWER_KEY     ? "org.freedesktop.login1.inhibit-handle-power-key" :
-                                    w == INHIBIT_HANDLE_SUSPEND_KEY   ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
-                                    w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
-                                                                        "org.freedesktop.login1.inhibit-handle-lid-switch",
-                                    false, &m->polkit_registry, error);
+        r = bus_verify_polkit_async(
+                        message,
+                        CAP_SYS_BOOT,
+                        w == INHIBIT_SHUTDOWN             ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") :
+                        w == INHIBIT_SLEEP                ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep"    : "org.freedesktop.login1.inhibit-delay-sleep") :
+                        w == INHIBIT_IDLE                 ? "org.freedesktop.login1.inhibit-block-idle" :
+                        w == INHIBIT_HANDLE_POWER_KEY     ? "org.freedesktop.login1.inhibit-handle-power-key" :
+                        w == INHIBIT_HANDLE_SUSPEND_KEY   ? "org.freedesktop.login1.inhibit-handle-suspend-key" :
+                        w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" :
+                                                            "org.freedesktop.login1.inhibit-handle-lid-switch",
+                        false,
+                        UID_INVALID,
+                        &m->polkit_registry,
+                        error);
         if (r < 0)
                 return r;
         if (r == 0)
                 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
 
-        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID|SD_BUS_CREDS_PID, &creds);
+        r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds);
         if (r < 0)
                 return r;
 
-        r = sd_bus_creds_get_uid(creds, &uid);
+        r = sd_bus_creds_get_euid(creds, &uid);
         if (r < 0)
                 return r;
 
@@ -1921,6 +1979,7 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0),
@@ -1939,15 +1998,15 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0),
         SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED),
-        SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0),
-        SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0),
-        SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0),
-        SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0),
-        SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
-        SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
-        SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
-        SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
-        SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+        SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED),
@@ -2110,9 +2169,10 @@ int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdat
                 return 0;
 
         r = unit_name_from_dbus_path(path, &unit);
+        if (r == -EINVAL) /* not a unit */
+                return 0;
         if (r < 0)
-                /* quietly ignore non-units paths */
-                return r == -EINVAL ? 0 : r;
+                return r;
 
         session = hashmap_get(m->session_units, unit);
         if (session)