X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogin%2Flogind-dbus.c;h=c798683e592503099b6e66ae22cba824d54967b4;hb=2a7a7d0b0f645b14cf0388b40d747b0ccb0c091e;hp=776f85e4c3a5bb4b297c1884cebd300dcec21bb3;hpb=fb9ec2d4fc198bcb47352cfce7d436901308eed8;p=elogind.git

diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 776f85e4c..c798683e5 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -38,7 +38,11 @@
 #include "bus-common-errors.h"
 #include "udev-util.h"
 #include "selinux-util.h"
+#include "efivars.h"
 #include "logind.h"
+#include "formats-util.h"
+#include "process-util.h"
+#include "terminal-util.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;
@@ -793,19 +797,14 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use
 
         session->create_message = sd_bus_message_ref(message);
 
-        /* Now, let's wait until the slice unit and stuff got
-         * created. We send the reply back from
-         * session_send_create_reply(). */
-
-        /* Elogind note: replying directly, since we're not actually
-           starting slices and thus we aren't waiting on systemd.  */
+        /* Here upstream systemd starts cgroups and the user systemd,
+           and arranges to reply asynchronously.  We reply
+           directly.  */
 
         r = session_send_create_reply(session, NULL);
         if (r < 0)
                 goto fail;
 
-        session_save(session);
-
         return 1;
 
 fail:
@@ -840,6 +839,8 @@ static int method_release_session(sd_bus *bus, sd_bus_message *message, void *us
         if (r < 0)
                 return r;
 
+        session_add_to_gc_queue(session);
+
         return sd_bus_reply_method_return(message, NULL);
 }
 
@@ -1336,31 +1337,36 @@ static int have_multiple_sessions(
 static int bus_manager_log_shutdown(
                 Manager *m,
                 InhibitWhat w,
-                const char *unit_name) {
+                HandleAction action) {
 
         const char *p, *q;
 
         assert(m);
-        assert(unit_name);
 
         if (w != INHIBIT_SHUTDOWN)
                 return 0;
 
-        if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) {
+        switch (action) {
+        case HANDLE_POWEROFF:
                 p = "MESSAGE=System is powering down.";
                 q = "SHUTDOWN=power-off";
-        } else if (streq(unit_name, SPECIAL_HALT_TARGET)) {
+                break;
+        case HANDLE_HALT:
                 p = "MESSAGE=System is halting.";
                 q = "SHUTDOWN=halt";
-        } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) {
+                break;
+        case HANDLE_REBOOT:
                 p = "MESSAGE=System is rebooting.";
                 q = "SHUTDOWN=reboot";
-        } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) {
+                break;
+        case HANDLE_KEXEC:
                 p = "MESSAGE=System is rebooting with kexec.";
                 q = "SHUTDOWN=kexec";
-        } else {
+                break;
+        default:
                 p = "MESSAGE=System is shutting down.";
                 q = NULL;
+                break;
         }
 
         return log_struct(LOG_NOTICE,
@@ -1415,50 +1421,52 @@ int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
         return r;
 }
 
+static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
+
+        static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
+                [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
+                [INHIBIT_SLEEP] = "PrepareForSleep"
+        };
+
+        int active = _active;
+
+        assert(m);
+        assert(w >= 0);
+        assert(w < _INHIBIT_WHAT_MAX);
+        assert(signal_name[w]);
+
+        return sd_bus_emit_signal(m->bus,
+                                  "/org/freedesktop/login1",
+                                  "org.freedesktop.login1.Manager",
+                                  signal_name[w],
+                                  "b",
+                                  active);
+}
+
 static int execute_shutdown_or_sleep(
                 Manager *m,
                 InhibitWhat w,
-                const char *unit_name,
+                HandleAction action,
                 sd_bus_error *error) {
-
-        _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-        const char *p;
-        char *c;
         int r;
 
         assert(m);
         assert(w >= 0);
         assert(w < _INHIBIT_WHAT_MAX);
-        assert(unit_name);
-
-        bus_manager_log_shutdown(m, w, unit_name);
 
-        r = sd_bus_call_method(
-                        m->bus,
-                        "org.freedesktop.systemd1",
-                        "/org/freedesktop/systemd1",
-                        "org.freedesktop.systemd1.Manager",
-                        "StartUnit",
-                        error,
-                        &reply,
-                        "ss", unit_name, "replace-irreversibly");
-        if (r < 0)
-                return r;
+        bus_manager_log_shutdown(m, w, action);
 
-        r = sd_bus_message_read(reply, "o", &p);
+        r = shutdown_or_sleep(m, action);
         if (r < 0)
                 return r;
 
-        c = strdup(p);
-        if (!c)
-                return -ENOMEM;
+        if (w == INHIBIT_SLEEP)
+                /* And we're back. */
+                send_prepare_for(m, w, false);
 
-        m->action_unit = unit_name;
-        free(m->action_job);
-        m->action_job = c;
-        m->action_what = w;
+        m->action_what = 0;
 
-        /* Make sure the lid switch is ignored for a while */
+        /* Make sure the lid switch is ignored for a while (?) */
         manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec);
 
         return 0;
@@ -1467,45 +1475,22 @@ static int execute_shutdown_or_sleep(
 static int delay_shutdown_or_sleep(
                 Manager *m,
                 InhibitWhat w,
-                const char *unit_name) {
+                HandleAction action) {
 
         assert(m);
         assert(w >= 0);
         assert(w < _INHIBIT_WHAT_MAX);
-        assert(unit_name);
 
         m->action_timestamp = now(CLOCK_MONOTONIC);
-        m->action_unit = unit_name;
+        m->pending_action = action;
         m->action_what = w;
 
         return 0;
 }
 
-static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) {
-
-        static const char * const signal_name[_INHIBIT_WHAT_MAX] = {
-                [INHIBIT_SHUTDOWN] = "PrepareForShutdown",
-                [INHIBIT_SLEEP] = "PrepareForSleep"
-        };
-
-        int active = _active;
-
-        assert(m);
-        assert(w >= 0);
-        assert(w < _INHIBIT_WHAT_MAX);
-        assert(signal_name[w]);
-
-        return sd_bus_emit_signal(m->bus,
-                                  "/org/freedesktop/login1",
-                                  "org.freedesktop.login1.Manager",
-                                  signal_name[w],
-                                  "b",
-                                  active);
-}
-
 int bus_manager_shutdown_or_sleep_now_or_later(
                 Manager *m,
-                const char *unit_name,
+                HandleAction action,
                 InhibitWhat w,
                 sd_bus_error *error) {
 
@@ -1513,10 +1498,8 @@ int bus_manager_shutdown_or_sleep_now_or_later(
         int r;
 
         assert(m);
-        assert(unit_name);
         assert(w >= 0);
         assert(w <= _INHIBIT_WHAT_MAX);
-        assert(!m->action_job);
 
         /* Tell everybody to prepare for shutdown/sleep */
         send_prepare_for(m, w, true);
@@ -1528,11 +1511,11 @@ int bus_manager_shutdown_or_sleep_now_or_later(
         if (delayed)
                 /* Shutdown is delayed, keep in mind what we
                  * want to do, and start a timeout */
-                r = delay_shutdown_or_sleep(m, w, unit_name);
+                r = delay_shutdown_or_sleep(m, w, action);
         else
                 /* Shutdown is not delayed, execute it
                  * immediately */
-                r = execute_shutdown_or_sleep(m, w, unit_name, error);
+                r = execute_shutdown_or_sleep(m, w, action, error);
 
         return r;
 }
@@ -1540,7 +1523,7 @@ int bus_manager_shutdown_or_sleep_now_or_later(
 static int method_do_shutdown_or_sleep(
                 Manager *m,
                 sd_bus_message *message,
-                const char *unit_name,
+                HandleAction sleep_action,
                 InhibitWhat w,
                 const char *action,
                 const char *action_multiple_sessions,
@@ -1556,7 +1539,6 @@ static int method_do_shutdown_or_sleep(
 
         assert(m);
         assert(message);
-        assert(unit_name);
         assert(w >= 0);
         assert(w <= _INHIBIT_WHAT_MAX);
         assert(action);
@@ -1620,7 +1602,7 @@ static int method_do_shutdown_or_sleep(
                         return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
         }
 
-        r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error);
+        r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error);
         if (r < 0)
                 return r;
 
@@ -1632,7 +1614,7 @@ static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata,
 
         return method_do_shutdown_or_sleep(
                         m, message,
-                        SPECIAL_POWEROFF_TARGET,
+                        HANDLE_POWEROFF,
                         INHIBIT_SHUTDOWN,
                         "org.freedesktop.login1.power-off",
                         "org.freedesktop.login1.power-off-multiple-sessions",
@@ -1647,7 +1629,7 @@ static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, s
 
         return method_do_shutdown_or_sleep(
                         m, message,
-                        SPECIAL_REBOOT_TARGET,
+                        HANDLE_REBOOT,
                         INHIBIT_SHUTDOWN,
                         "org.freedesktop.login1.reboot",
                         "org.freedesktop.login1.reboot-multiple-sessions",
@@ -1662,7 +1644,7 @@ static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata,
 
         return method_do_shutdown_or_sleep(
                         m, message,
-                        SPECIAL_SUSPEND_TARGET,
+                        HANDLE_SUSPEND,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.suspend",
                         "org.freedesktop.login1.suspend-multiple-sessions",
@@ -1677,7 +1659,7 @@ static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata
 
         return method_do_shutdown_or_sleep(
                         m, message,
-                        SPECIAL_HIBERNATE_TARGET,
+                        HANDLE_HIBERNATE,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.hibernate",
                         "org.freedesktop.login1.hibernate-multiple-sessions",
@@ -1692,7 +1674,7 @@ static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userd
 
         return method_do_shutdown_or_sleep(
                         m, message,
-                        SPECIAL_HYBRID_SLEEP_TARGET,
+                        HANDLE_HYBRID_SLEEP,
                         INHIBIT_SLEEP,
                         "org.freedesktop.login1.hibernate",
                         "org.freedesktop.login1.hibernate-multiple-sessions",
@@ -1750,7 +1732,7 @@ 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, UID_INVALID, &challenge, error);
+                r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1763,7 +1745,7 @@ static int method_can_shutdown_or_sleep(
         }
 
         if (blocked) {
-                r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, UID_INVALID, &challenge, error);
+                r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1779,7 +1761,7 @@ 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, UID_INVALID, &challenge, error);
+                r = bus_test_polkit(message, CAP_SYS_BOOT, action, UID_INVALID, &challenge, error);
                 if (r < 0)
                         return r;
 
@@ -1859,6 +1841,103 @@ static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *u
                         error);
 }
 
+static int property_get_reboot_to_firmware_setup(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+        int r;
+
+        assert(bus);
+        assert(reply);
+        assert(userdata);
+
+        r = efi_get_reboot_to_firmware();
+        if (r < 0 && r != -EOPNOTSUPP)
+                return r;
+
+        return sd_bus_message_append(reply, "b", r > 0);
+}
+
+static int method_set_reboot_to_firmware_setup(
+                sd_bus *bus,
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        int b, r;
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(message);
+        assert(m);
+
+        r = sd_bus_message_read(message, "b", &b);
+        if (r < 0)
+                return r;
+
+        r = bus_verify_polkit_async(message,
+                                    CAP_SYS_ADMIN,
+                                    "org.freedesktop.login1.set-reboot-to-firmware-setup",
+                                    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 = efi_set_reboot_to_firmware(b);
+        if (r < 0)
+                return r;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+static int method_can_reboot_to_firmware_setup(
+                sd_bus *bus,
+                sd_bus_message *message,
+                void *userdata,
+                sd_bus_error *error) {
+
+        int r;
+        bool challenge;
+        const char *result;
+        Manager *m = userdata;
+
+        assert(bus);
+        assert(message);
+        assert(m);
+
+        r = efi_reboot_to_firmware_supported();
+        if (r == -EOPNOTSUPP)
+                return sd_bus_reply_method_return(message, "s", "na");
+        else if (r < 0)
+                return r;
+
+        r = bus_test_polkit(message,
+                            CAP_SYS_ADMIN,
+                            "org.freedesktop.login1.set-reboot-to-firmware-setup",
+                            UID_INVALID,
+                            &challenge,
+                            error);
+        if (r < 0)
+                return r;
+
+        if (r > 0)
+                result = "yes";
+        else if (challenge)
+                result = "challenge";
+        else
+                result = "no";
+
+        return sd_bus_reply_method_return(message, "s", result);
+}
+
 static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
         _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
         const char *who, *why, *what, *mode;
@@ -1978,6 +2057,7 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST),
+        SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, SD_BUS_VTABLE_PROPERTY_CONST),
         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),
@@ -2031,6 +2111,8 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED),
         SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
+        SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED),
 
         SD_BUS_SIGNAL("SessionNew", "so", 0),
         SD_BUS_SIGNAL("SessionRemoved", "so", 0),
@@ -2044,27 +2126,6 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_VTABLE_END
 };
 
-static int session_jobs_reply(Session *s, const char *unit, const char *result) {
-        int r = 0;
-
-        assert(s);
-        assert(unit);
-
-        if (!s->started)
-                return r;
-
-        if (streq(result, "done"))
-                r = session_send_create_reply(s, NULL);
-        else {
-                _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL;
-
-                sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result);
-                r = session_send_create_reply(s, &e);
-        }
-
-        return r;
-}
-
 int manager_send_changed(Manager *manager, const char *property, ...) {
         char **l;
 
@@ -2086,7 +2147,7 @@ int manager_dispatch_delayed(Manager *manager) {
 
         assert(manager);
 
-        if (manager->action_what == 0 || manager->action_job)
+        if (manager->action_what == 0)
                 return 0;
 
         /* Continue delay? */
@@ -2105,11 +2166,11 @@ int manager_dispatch_delayed(Manager *manager) {
         }
 
         /* Actually do the operation */
-        r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error);
+        r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error);
         if (r < 0) {
                 log_warning("Failed to send delayed message: %s", bus_error_message(&error, r));
 
-                manager->action_unit = NULL;
+                manager->pending_action = HANDLE_IGNORE;
                 manager->action_what = 0;
                 return r;
         }