X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-dbus.c;h=70d2b1ffc0f9c463f3d0c14c500be2857eba788b;hp=93711fec24a4a723515aa080012e1ff4aec55c4d;hb=f3f6ae7c983865ea37e8ddfbd676586e55280f1e;hpb=f97a438ab62bd1ea07c4574eac48d7b8fc4d7387 diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 93711fec2..70d2b1ffc 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -1,5 +1,3 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - /*** This file is part of systemd. @@ -20,33 +18,44 @@ ***/ #include +#include #include #include -#include #include "sd-messages.h" -#include "strv.h" -#include "mkdir.h" -#include "path-util.h" -#include "special.h" -#include "sleep-config.h" -#include "fileio-label.h" -#include "unit-name.h" -#include "audit.h" -#include "bus-util.h" -#include "bus-error.h" + +#include "alloc-util.h" +#include "audit-util.h" #include "bus-common-errors.h" -#include "udev-util.h" -#include "selinux-util.h" -#include "efivars.h" +#include "bus-error.h" +#include "bus-util.h" +#include "dirent-util.h" +//#include "efivars.h" +#include "escape.h" +#include "fd-util.h" +#include "fileio-label.h" +#include "format-util.h" +#include "fs-util.h" #include "logind.h" -#include "formats-util.h" +#include "mkdir.h" +#include "path-util.h" #include "process-util.h" +#include "selinux-util.h" +#include "sleep-config.h" +//#include "special.h" +#include "strv.h" #include "terminal-util.h" +#include "udev-util.h" +#include "unit-name.h" +#include "user-util.h" #include "utmp-wtmp.h" +/// Additional includes needed by elogind +#include "elogind-dbus.h" +//#include "update-utmp.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; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; Session *session; int r; @@ -60,6 +69,9 @@ int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const ch return r; r = sd_bus_creds_get_session(creds, &name); + if (r == -ENXIO) + return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, + "Caller does not belong to any known session"); if (r < 0) return r; } @@ -81,7 +93,7 @@ int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, assert(ret); if (uid == UID_INVALID) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) 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); @@ -117,7 +129,6 @@ int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char return r; seat = session->seat; - if (!seat) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); } else { @@ -258,7 +269,43 @@ static int property_get_docked( assert(reply); assert(m); - return sd_bus_message_append(reply, "b", manager_is_docked_or_multiple_displays(m)); + return sd_bus_message_append(reply, "b", manager_is_docked_or_external_displays(m)); +} + +static int property_get_current_sessions( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + Manager *m = userdata; + + assert(bus); + assert(reply); + assert(m); + + return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->sessions)); +} + +static int property_get_current_inhibitors( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + void *userdata, + sd_bus_error *error) { + + Manager *m = userdata; + + assert(bus); + assert(reply); + assert(m); + + return sd_bus_message_append(reply, "t", (uint64_t) hashmap_size(m->inhibitors)); } static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -301,8 +348,10 @@ static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd r = sd_bus_message_read(message, "u", &pid); if (r < 0) return r; + if (pid < 0) + return -EINVAL; - if (pid <= 0) { + if (pid == 0) { r = manager_get_session_from_creds(m, message, NULL, error, &session); if (r < 0) return r; @@ -362,8 +411,10 @@ static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bu r = sd_bus_message_read(message, "u", &pid); if (r < 0) return r; + if (pid < 0) + return -EINVAL; - if (pid <= 0) { + if (pid == 0) { r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); if (r < 0) return r; @@ -408,7 +459,7 @@ static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error } static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; Session *session; Iterator i; @@ -450,7 +501,7 @@ static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_ } static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; User *user; Iterator i; @@ -490,7 +541,7 @@ static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_err } static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; Seat *seat; Iterator i; @@ -527,7 +578,7 @@ static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_err } static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; Manager *m = userdata; Inhibitor *inhibitor; Iterator i; @@ -566,12 +617,14 @@ static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bu static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; - uint32_t uid, leader, audit_id = 0; + uint32_t audit_id = 0; _cleanup_free_ char *id = NULL; Session *session = NULL; Manager *m = userdata; User *user = NULL; Seat *seat = NULL; + pid_t leader; + uid_t uid; int remote; uint32_t vtnr = 0; SessionType t; @@ -581,11 +634,16 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus assert(message); assert(m); + assert_cc(sizeof(pid_t) == sizeof(uint32_t)); + assert_cc(sizeof(uid_t) == sizeof(uint32_t)); + r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); if (r < 0) return r; - if (leader == 1) + if (!uid_is_valid(uid)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); + if (leader < 0 || leader == 1) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); if (isempty(type)) @@ -677,8 +735,8 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus c = SESSION_USER; } - if (leader <= 0) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + if (leader == 0) { + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); if (r < 0) @@ -689,45 +747,29 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus return r; } - manager_get_session_by_pid(m, leader, &session); - if (session) { - _cleanup_free_ char *path = NULL; - _cleanup_close_ int fifo_fd = -1; - - /* Session already exists, client is probably - * something like "su" which changes uid but is still - * the same session */ - - fifo_fd = session_create_fifo(session); - if (fifo_fd < 0) - return fifo_fd; - - path = session_bus_path(session); - if (!path) - return -ENOMEM; - - log_debug("Sending reply about an existing session: " - "id=%s object_path=%s uid=%u runtime_path=%s " - "session_fd=%d seat=%s vtnr=%u", - session->id, - path, - (uint32_t) session->user->uid, - session->user->runtime_path, - fifo_fd, - session->seat ? session->seat->id : "", - (uint32_t) session->vtnr); - - return sd_bus_reply_method_return( - message, "soshusub", - session->id, - path, - session->user->runtime_path, - fifo_fd, - (uint32_t) session->user->uid, - session->seat ? session->seat->id : "", - (uint32_t) session->vtnr, - true); - } + r = manager_get_session_by_pid(m, leader, NULL); + if (r > 0) + return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already running in a session"); + + /* + * Old gdm and lightdm start the user-session on the same VT as + * the greeter session. But they destroy the greeter session + * after the user-session and want the user-session to take + * over the VT. We need to support this for + * backwards-compatibility, so make sure we allow new sessions + * on a VT that a greeter is running on. Furthermore, to allow + * re-logins, we have to allow a greeter to take over a used VT for + * the exact same reasons. + */ + if (c != SESSION_GREETER && + vtnr > 0 && + vtnr < m->seat0->position_count && + m->seat0->positions[vtnr] && + m->seat0->positions[vtnr]->class != SESSION_GREETER) + return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); + + if (hashmap_size(m->sessions) >= m->sessions_max) + return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", m->sessions_max); audit_session_from_pid(leader, &audit_id); if (audit_id > 0) { @@ -744,15 +786,13 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus log_warning("Existing logind session ID %s used by new audit session, ignoring", id); audit_id = 0; - free(id); - id = NULL; + id = mfree(id); } } if (!id) { do { - free(id); - id = NULL; + id = mfree(id); if (asprintf(&id, "c%lu", ++m->session_counter) < 0) return -ENOMEM; @@ -837,9 +877,17 @@ static int method_create_session(sd_bus_message *message, void *userdata, sd_bus session->create_message = sd_bus_message_ref(message); +#if 0 /// UNNEEDED by elogind /* Now, let's wait until the slice unit and stuff got * created. We send the reply back from * session_send_create_reply(). */ +#else + /* We reply directly. */ + + r = session_send_create_reply(session, NULL); + if (r < 0) + goto fail; +#endif // 0 return 1; @@ -874,6 +922,9 @@ static int method_release_session(sd_bus_message *message, void *userdata, sd_bu if (r < 0) return r; +#if 1 /// elogind must queue this session + session_add_to_gc_queue(session); +#endif // 1 return sd_bus_reply_method_return(message, NULL); } @@ -963,6 +1014,7 @@ static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_ message, CAP_SYS_ADMIN, "org.freedesktop.login1.lock-sessions", + NULL, false, UID_INVALID, &m->polkit_registry, @@ -1082,11 +1134,11 @@ static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *cc = NULL; Manager *m = userdata; - int b, r; + int r, b, interactive; struct passwd *pw; const char *path; uint32_t uid; - int interactive; + bool self = false; assert(message); assert(m); @@ -1096,7 +1148,7 @@ static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bu return r; if (uid == UID_INVALID) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) 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); @@ -1106,17 +1158,22 @@ static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bu r = sd_bus_creds_get_owner_uid(creds, &uid); if (r < 0) return r; - } + + self = true; + + } else if (!uid_is_valid(uid)) + return -EINVAL; errno = 0; pw = getpwuid(uid); if (!pw) - return errno ? -errno : -ENOENT; + return errno > 0 ? -errno : -ENOENT; r = bus_verify_polkit_async( message, CAP_SYS_ADMIN, - "org.freedesktop.login1.set-user-linger", + self ? "org.freedesktop.login1.set-self-linger" : "org.freedesktop.login1.set-user-linger", + NULL, interactive, UID_INVALID, &m->polkit_registry, @@ -1194,7 +1251,7 @@ static int trigger_device(Manager *m, struct udev_device *d) { if (!t) return -ENOMEM; - write_string_file(t, "change"); + write_string_file(t, "change", WRITE_STRING_FILE_CREATE); } return 0; @@ -1228,7 +1285,6 @@ static int attach_device(Manager *m, const char *seat, const char *sysfs) { return -ENOMEM; mkdir_p_label("/etc/udev/rules.d", 0755); - mac_selinux_init("/etc"); r = write_string_file_atomic_label(file, rule); if (r < 0) return r; @@ -1248,8 +1304,7 @@ static int flush_devices(Manager *m) { } else { struct dirent *de; - while ((de = readdir(d))) { - + FOREACH_DIRENT_ALL(de, d, break) { if (!dirent_is_file(de)) continue; @@ -1289,6 +1344,7 @@ static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_ message, CAP_SYS_ADMIN, "org.freedesktop.login1.attach-device", + NULL, interactive, UID_INVALID, &m->polkit_registry, @@ -1320,6 +1376,7 @@ static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_ message, CAP_SYS_ADMIN, "org.freedesktop.login1.flush-devices", + NULL, interactive, UID_INVALID, &m->polkit_registry, @@ -1355,6 +1412,7 @@ static int have_multiple_sessions( return false; } +#if 0 /// elogind has its own variant in elogind-dbus.c static int bus_manager_log_shutdown( Manager *m, InhibitWhat w, @@ -1369,28 +1427,34 @@ static int bus_manager_log_shutdown( return 0; if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { - p = "MESSAGE=System is powering down."; + p = "MESSAGE=System is powering down"; q = "SHUTDOWN=power-off"; } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { - p = "MESSAGE=System is halting."; + p = "MESSAGE=System is halting"; q = "SHUTDOWN=halt"; } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { - p = "MESSAGE=System is rebooting."; + p = "MESSAGE=System is rebooting"; q = "SHUTDOWN=reboot"; } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { - p = "MESSAGE=System is rebooting with kexec."; + p = "MESSAGE=System is rebooting with kexec"; q = "SHUTDOWN=kexec"; } else { - p = "MESSAGE=System is shutting down."; + p = "MESSAGE=System is shutting down"; q = NULL; } + if (isempty(m->wall_message)) + p = strjoina(p, "."); + else + p = strjoina(p, " (", m->wall_message, ")."); + return log_struct(LOG_NOTICE, - LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN), + "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_STR, p, q, NULL); } +#endif // 0 static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { Manager *m = userdata; @@ -1437,15 +1501,30 @@ int manager_set_lid_switch_ignore(Manager *m, usec_t until) { return r; } +static void reset_scheduled_shutdown(Manager *m) { + m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); + m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); + m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); + m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); + m->scheduled_shutdown_timeout = 0; + m->shutdown_dry_run = false; + + if (m->unlink_nologin) { + (void) unlink("/run/nologin"); + m->unlink_nologin = false; + } +} + +#if 0 /// elogind has its own variant in elogind-dbus.c static int execute_shutdown_or_sleep( Manager *m, InhibitWhat w, const char *unit_name, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; + char *c = NULL; const char *p; - char *c; int r; assert(m); @@ -1455,25 +1534,30 @@ static int execute_shutdown_or_sleep( 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; + if (m->shutdown_dry_run) { + log_info("Running in dry run, suppressing action."); + reset_scheduled_shutdown(m); + } else { + 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; - r = sd_bus_message_read(reply, "o", &p); - if (r < 0) - return r; + r = sd_bus_message_read(reply, "o", &p); + if (r < 0) + return r; - c = strdup(p); - if (!c) - return -ENOMEM; + c = strdup(p); + if (!c) + return -ENOMEM; + } m->action_unit = unit_name; free(m->action_job); @@ -1488,7 +1572,7 @@ static int execute_shutdown_or_sleep( int manager_dispatch_delayed(Manager *manager, bool timeout) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; Inhibitor *offending = NULL; int r; @@ -1523,8 +1607,13 @@ int manager_dispatch_delayed(Manager *manager, bool timeout) { return 1; } +#endif // 0 +#if 0 /// elogind-dbus.c needs to access this static int manager_inhibit_timeout_handler( +#else +int manager_inhibit_timeout_handler( +#endif // 0 sd_event_source *s, uint64_t usec, void *userdata) { @@ -1539,6 +1628,7 @@ static int manager_inhibit_timeout_handler( return (r < 0) ? r : 0; } +#if 0 /// elogind has its own variant in elogind-dbus.c static int delay_shutdown_or_sleep( Manager *m, InhibitWhat w, @@ -1574,8 +1664,13 @@ static int delay_shutdown_or_sleep( return 0; } +#endif // 0 +#if 0 /// elogind-dbus.c needs to access this static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { +#else +int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { +#endif // 0 static const char * const signal_name[_INHIBIT_WHAT_MAX] = { [INHIBIT_SHUTDOWN] = "PrepareForShutdown", @@ -1597,6 +1692,7 @@ static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { active); } +#if 0 /// elogind has its own variant in elogind-dbus.c int bus_manager_shutdown_or_sleep_now_or_later( Manager *m, const char *unit_name, @@ -1619,6 +1715,9 @@ int bus_manager_shutdown_or_sleep_now_or_later( m->inhibit_delay_max > 0 && manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); + log_debug_elogind("%s called for %s (%sdelayed)", __FUNCTION__, + handle_action_to_string(action), + delayed ? "" : "NOT "); if (delayed) /* Shutdown is delayed, keep in mind what we * want to do, and start a timeout */ @@ -1630,8 +1729,13 @@ int bus_manager_shutdown_or_sleep_now_or_later( return r; } +#endif // 0 +#if 0 /// elogind-dbus.c needs to access this static int verify_shutdown_creds( +#else +int verify_shutdown_creds( +#endif // 0 Manager *m, sd_bus_message *message, InhibitWhat w, @@ -1641,7 +1745,7 @@ static int verify_shutdown_creds( const char *action_ignore_inhibit, sd_bus_error *error) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; bool multiple_sessions, blocked; uid_t uid; int r; @@ -1667,7 +1771,7 @@ static int verify_shutdown_creds( blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); if (multiple_sessions && action_multiple_sessions) { - r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; if (r == 0) @@ -1675,7 +1779,7 @@ static int verify_shutdown_creds( } if (blocked && action_ignore_inhibit) { - r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; if (r == 0) @@ -1683,7 +1787,7 @@ static int verify_shutdown_creds( } if (!multiple_sessions && !blocked && action) { - r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, error); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, NULL, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; if (r == 0) @@ -1693,6 +1797,7 @@ static int verify_shutdown_creds( return 0; } +#if 0 /// elogind has its own variant in elogind-dbus.c static int method_do_shutdown_or_sleep( Manager *m, sd_bus_message *message, @@ -1716,6 +1821,9 @@ static int method_do_shutdown_or_sleep( if (r < 0) return r; + log_debug_elogind("%s called with action '%s', sleep '%s' (%sinteractive)", + __FUNCTION__, action, sleep_verb, + interactive ? "" : "NOT "); /* Don't allow multiple jobs being executed at the same time */ if (m->action_what) return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); @@ -1731,6 +1839,7 @@ static int method_do_shutdown_or_sleep( r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, action_ignore_inhibit, error); + log_debug_elogind("verify_shutdown_creds() returned %d", r); if (r != 0) return r; @@ -1744,6 +1853,7 @@ static int method_do_shutdown_or_sleep( static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; + log_debug_elogind("%s called", __FUNCTION__); return method_do_shutdown_or_sleep( m, message, SPECIAL_POWEROFF_TARGET, @@ -1758,6 +1868,7 @@ static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; + log_debug_elogind("%s called", __FUNCTION__); return method_do_shutdown_or_sleep( m, message, SPECIAL_REBOOT_TARGET, @@ -1772,6 +1883,7 @@ static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error * static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; + log_debug_elogind("%s called", __FUNCTION__); return method_do_shutdown_or_sleep( m, message, SPECIAL_SUSPEND_TARGET, @@ -1782,6 +1894,7 @@ static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error "suspend", error); } +#endif // 0 static int nologin_timeout_handler( sd_event_source *s, @@ -1793,7 +1906,7 @@ static int nologin_timeout_handler( log_info("Creating /run/nologin, blocking further logins..."); - r = write_string_file_atomic("/run/nologin", "System is going down."); + r = write_string_file_atomic_label("/run/nologin", "System is going down."); if (r < 0) log_error_errno(r, "Failed to create /run/nologin: %m"); else @@ -1803,10 +1916,9 @@ static int nologin_timeout_handler( } static int update_schedule_file(Manager *m) { - - int r; + _cleanup_free_ char *temp_path = NULL; _cleanup_fclose_ FILE *f = NULL; - _cleanup_free_ char *t = NULL, *temp_path = NULL; + int r; assert(m); @@ -1814,10 +1926,6 @@ static int update_schedule_file(Manager *m) { if (r < 0) return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); - t = cescape(m->wall_message); - if (!t) - return log_oom(); - r = fopen_temporary("/run/systemd/shutdown/scheduled", &f, &temp_path); if (r < 0) return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); @@ -1832,28 +1940,43 @@ static int update_schedule_file(Manager *m) { m->enable_wall_messages, m->scheduled_shutdown_type); - if (!isempty(m->wall_message)) + if (!isempty(m->wall_message)) { + _cleanup_free_ char *t; + + t = cescape(m->wall_message); + if (!t) { + r = -ENOMEM; + goto fail; + } + fprintf(f, "WALL_MESSAGE=%s\n", t); + } - (void) fflush_and_check(f); + r = fflush_and_check(f); + if (r < 0) + goto fail; - if (ferror(f) || rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { - log_error_errno(errno, "Failed to write information about scheduled shutdowns: %m"); + if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { r = -errno; - - (void) unlink(temp_path); - (void) unlink("/run/systemd/shutdown/scheduled"); + goto fail; } - return r; + return 0; + +fail: + (void) unlink(temp_path); + (void) unlink("/run/systemd/shutdown/scheduled"); + + return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); } +#if 0 /// elogind has its own variant in elogind-dbus.c static int manager_scheduled_shutdown_handler( sd_event_source *s, uint64_t usec, void *userdata) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; Manager *m = userdata; const char *target; int r; @@ -1876,10 +1999,11 @@ static int manager_scheduled_shutdown_handler( return 0; } +#endif // 0 static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; const char *action_multiple_sessions = NULL; const char *action_ignore_inhibit = NULL; const char *action = NULL; @@ -1890,10 +2014,16 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_ assert(m); assert(message); + log_debug_elogind("%s called", __FUNCTION__); r = sd_bus_message_read(message, "st", &type, &elapse); if (r < 0) return r; + if (startswith(type, "dry-")) { + type += 4; + m->shutdown_dry_run = true; + } + if (streq(type, "reboot")) { action = "org.freedesktop.login1.reboot"; action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; @@ -1903,9 +2033,9 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_ action_multiple_sessions = "org.freedesktop.login1.halt-multiple-sessions"; action_ignore_inhibit = "org.freedesktop.login1.halt-ignore-inhibit"; } else if (streq(type, "poweroff")) { - action = "org.freedesktop.login1.poweroff"; - action_multiple_sessions = "org.freedesktop.login1.poweroff-multiple-sessions"; - action_ignore_inhibit = "org.freedesktop.login1.poweroff-ignore-inhibit"; + action = "org.freedesktop.login1.power-off"; + action_multiple_sessions = "org.freedesktop.login1.power-off-multiple-sessions"; + action_ignore_inhibit = "org.freedesktop.login1.power-off-ignore-inhibit"; } else return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); @@ -1954,7 +2084,7 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); if (r >= 0) { - const char *tty; + const char *tty = NULL; (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); (void) sd_bus_creds_get_tty(creds, &tty); @@ -1983,26 +2113,19 @@ static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_ static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; bool cancelled; +#if 1 /// elogind needs to construct the message to allow extra wall messages + _cleanup_free_ char *l = NULL; +#endif // 1 assert(m); assert(message); + log_debug_elogind("%s called", __FUNCTION__); cancelled = m->scheduled_shutdown_type != NULL; - - m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); - m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); - m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); - free(m->scheduled_shutdown_type); - m->scheduled_shutdown_type = NULL; - m->scheduled_shutdown_timeout = 0; - - if (m->unlink_nologin) { - (void) unlink("/run/nologin"); - m->unlink_nologin = false; - } + reset_scheduled_shutdown(m); if (cancelled) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; const char *tty = NULL; uid_t uid = 0; int r; @@ -2013,16 +2136,30 @@ static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userd (void) sd_bus_creds_get_tty(creds, &tty); } +#if 0 /// elogind wants to allow extra cancellation messages utmp_wall("The system shutdown has been cancelled", - lookup_uid(uid), tty, logind_wall_tty_filter, m); + uid_to_name(uid), tty, logind_wall_tty_filter, m); +#else + r = asprintf(&l, "%s%sThe system shutdown has been cancelled!", + strempty(m->wall_message), + isempty(m->wall_message) ? "" : "\n"); + if (r < 0) { + log_oom(); + return 0; + } + + utmp_wall(l, uid_to_name(uid), tty, logind_wall_tty_filter, m); +#endif // 0 } return sd_bus_reply_method_return(message, "b", cancelled); } +#if 0 /// elogind has its own variant in elogind-dbus.c static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; + log_debug_elogind("%s called", __FUNCTION__); return method_do_shutdown_or_sleep( m, message, SPECIAL_HIBERNATE_TARGET, @@ -2037,6 +2174,7 @@ static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_erro static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; + log_debug_elogind("%s called", __FUNCTION__); return method_do_shutdown_or_sleep( m, message, SPECIAL_HYBRID_SLEEP_TARGET, @@ -2047,6 +2185,7 @@ static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_e "hybrid-sleep", error); } +#endif // 0 static int method_can_shutdown_or_sleep( Manager *m, @@ -2058,7 +2197,7 @@ static int method_can_shutdown_or_sleep( const char *sleep_verb, sd_bus_error *error) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; bool multiple_sessions, challenge, blocked; const char *result = NULL; uid_t uid; @@ -2073,7 +2212,11 @@ static int method_can_shutdown_or_sleep( assert(action_ignore_inhibit); if (sleep_verb) { +#if 0 /// elogind needs to have the manager being passed r = can_sleep(sleep_verb); +#else + r = can_sleep(m, sleep_verb); +#endif // 0 if (r < 0) return r; if (r == 0) @@ -2096,7 +2239,7 @@ 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_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, UID_INVALID, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -2109,7 +2252,7 @@ static int method_can_shutdown_or_sleep( } if (blocked) { - r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, UID_INVALID, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -2125,7 +2268,7 @@ static int method_can_shutdown_or_sleep( /* If neither inhibit nor multiple sessions * apply then just check the normal policy */ - r = bus_test_polkit(message, CAP_SYS_BOOT, action, UID_INVALID, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -2213,6 +2356,7 @@ static int property_get_reboot_to_firmware_setup( sd_bus_message *reply, void *userdata, sd_bus_error *error) { +#if 0 /// elogind does not support EFI int r; assert(bus); @@ -2224,6 +2368,9 @@ static int property_get_reboot_to_firmware_setup( return r; return sd_bus_message_append(reply, "b", r > 0); +#else + return sd_bus_message_append(reply, "b", false); +#endif // 0 } static int method_set_reboot_to_firmware_setup( @@ -2244,6 +2391,7 @@ static int method_set_reboot_to_firmware_setup( r = bus_verify_polkit_async(message, CAP_SYS_ADMIN, "org.freedesktop.login1.set-reboot-to-firmware-setup", + NULL, false, UID_INVALID, &m->polkit_registry, @@ -2253,9 +2401,11 @@ static int method_set_reboot_to_firmware_setup( if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ +#if 0 /// elogind does not support EFI r = efi_set_reboot_to_firmware(b); if (r < 0) return r; +#endif // 0 return sd_bus_reply_method_return(message, NULL); } @@ -2265,6 +2415,7 @@ static int method_can_reboot_to_firmware_setup( void *userdata, sd_bus_error *error) { +#if 0 /// elogind does not support EFI int r; bool challenge; const char *result; @@ -2282,6 +2433,7 @@ static int method_can_reboot_to_firmware_setup( r = bus_test_polkit(message, CAP_SYS_ADMIN, "org.freedesktop.login1.set-reboot-to-firmware-setup", + NULL, UID_INVALID, &challenge, error); @@ -2296,10 +2448,54 @@ static int method_can_reboot_to_firmware_setup( result = "no"; return sd_bus_reply_method_return(message, "s", result); +#else + return sd_bus_reply_method_return(message, "s", "no"); +#endif // 0 +} + +static int method_set_wall_message( + sd_bus_message *message, + void *userdata, + sd_bus_error *error) { + + int r; + Manager *m = userdata; + char *wall_message; + int enable_wall_messages; + + assert(message); + assert(m); + + r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); + if (r < 0) + return r; + +#if 0 /// elogind only calls this for shutdown/reboot, which already needs authorization. + r = bus_verify_polkit_async(message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.set-wall-message", + NULL, + false, + UID_INVALID, + &m->polkit_registry, + error); + if (r < 0) + return r; + if (r == 0) + return 1; /* Will call us back */ +#endif // 0 + + r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); + if (r < 0) + return log_oom(); + + m->enable_wall_messages = enable_wall_messages; + + return sd_bus_reply_method_return(message, NULL); } static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; const char *who, *why, *what, *mode; _cleanup_free_ char *id = NULL; _cleanup_close_ int fifo_fd = -1; @@ -2347,6 +2543,7 @@ static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error 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", + NULL, false, UID_INVALID, &m->polkit_registry, @@ -2368,9 +2565,11 @@ static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error if (r < 0) return r; + if (hashmap_size(m->inhibitors) >= m->inhibitors_max) + return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", m->inhibitors_max); + do { - free(id); - id = NULL; + id = mfree(id); if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) return -ENOMEM; @@ -2416,7 +2615,9 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", NULL, NULL, offsetof(Manager, enable_wall_messages), 0), SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), +#if 0 /// UNNEEDED by elogind SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), +#endif // 0 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), @@ -2439,6 +2640,13 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), + SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("RuntimeDirectorySize", "t", bus_property_get_size, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_current_inhibitors, 0, 0), + SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_current_sessions, 0, 0), + SD_BUS_PROPERTY("UserTasksMax", "t", NULL, offsetof(Manager, user_tasks_max), SD_BUS_VTABLE_PROPERTY_CONST), SD_BUS_METHOD("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), @@ -2468,8 +2676,6 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), @@ -2477,9 +2683,12 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), 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("ScheduleShutdown", "st", NULL, method_schedule_shutdown, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CancelScheduledShutdown", NULL, "b", method_cancel_scheduled_shutdown, 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_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("SessionNew", "so", 0), SD_BUS_SIGNAL("SessionRemoved", "so", 0), @@ -2493,6 +2702,7 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_END }; +#if 0 /// UNNEEDED by elogind static int session_jobs_reply(Session *s, const char *unit, const char *result) { int r = 0; @@ -2505,7 +2715,7 @@ static int session_jobs_reply(Session *s, const char *unit, const char *result) if (streq(result, "done")) r = session_send_create_reply(s, NULL); else { - _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; + _cleanup_(sd_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); @@ -2528,30 +2738,24 @@ int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *err r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); if (r < 0) { bus_log_parse_error(r); - return r; + return 0; } if (m->action_job && streq(m->action_job, path)) { - log_info("Operation finished."); + log_info("Operation '%s' finished.", inhibit_what_to_string(m->action_what)); /* Tell people that they now may take a lock again */ send_prepare_for(m, m->action_what, false); - free(m->action_job); - m->action_job = NULL; + m->action_job = mfree(m->action_job); m->action_unit = NULL; m->action_what = 0; return 0; } session = hashmap_get(m->session_units, unit); - if (session) { - - if (streq_ptr(path, session->scope_job)) { - free(session->scope_job); - session->scope_job = NULL; - } - + if (session && streq_ptr(path, session->scope_job)) { + session->scope_job = mfree(session->scope_job); session_jobs_reply(session, unit, result); session_save(session); @@ -2560,21 +2764,18 @@ int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *err } user = hashmap_get(m->user_units, unit); - if (user) { + if (user && + (streq_ptr(path, user->service_job) || + streq_ptr(path, user->slice_job))) { - if (streq_ptr(path, user->service_job)) { - free(user->service_job); - user->service_job = NULL; - } + if (streq_ptr(path, user->service_job)) + user->service_job = mfree(user->service_job); - if (streq_ptr(path, user->slice_job)) { - free(user->slice_job); - user->slice_job = NULL; - } + if (streq_ptr(path, user->slice_job)) + user->slice_job = mfree(user->slice_job); - LIST_FOREACH(sessions_by_user, session, user->sessions) { + LIST_FOREACH(sessions_by_user, session, user->sessions) session_jobs_reply(session, unit, result); - } user_save(user); user_add_to_gc_queue(user); @@ -2596,7 +2797,7 @@ int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *er r = sd_bus_message_read(message, "so", &unit, &path); if (r < 0) { bus_log_parse_error(r); - return r; + return 0; } session = hashmap_get(m->session_units, unit); @@ -2628,8 +2829,10 @@ int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_err r = unit_name_from_dbus_path(path, &unit); if (r == -EINVAL) /* not a unit */ return 0; - if (r < 0) - return r; + if (r < 0) { + log_oom(); + return 0; + } session = hashmap_get(m->session_units, unit); if (session) @@ -2654,7 +2857,7 @@ int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error r = sd_bus_message_read(message, "b", &b); if (r < 0) { bus_log_parse_error(r); - return r; + return 0; } if (b) @@ -2668,54 +2871,110 @@ int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error return 0; } +#endif // 0 -int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { - const char *name, *old, *new; - Manager *m = userdata; - Session *session; - Iterator i; +int manager_send_changed(Manager *manager, const char *property, ...) { + char **l; + + assert(manager); + + l = strv_from_stdarg_alloca(property); + + return sd_bus_emit_properties_changed_strv( + manager->bus, + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + l); +} + +#if 0 /// UNNEEDED by elogind +static int strdup_job(sd_bus_message *reply, char **job) { + const char *j; + char *copy; int r; - char *key; - assert(message); - assert(m); + r = sd_bus_message_read(reply, "o", &j); + if (r < 0) + return r; - r = sd_bus_message_read(message, "sss", &name, &old, &new); - if (r < 0) { - bus_log_parse_error(r); + copy = strdup(j); + if (!copy) + return -ENOMEM; + + *job = copy; + return 1; +} + +int manager_start_slice( + Manager *manager, + const char *slice, + const char *description, + const char *after, + const char *after2, + uint64_t tasks_max, + sd_bus_error *error, + char **job) { + + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; + int r; + + assert(manager); + assert(slice); + assert(job); + + r = sd_bus_message_new_method_call( + manager->bus, + &m, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "StartTransientUnit"); + if (r < 0) return r; - } - if (isempty(old) || !isempty(new)) - return 0; + r = sd_bus_message_append(m, "ss", strempty(slice), "fail"); + if (r < 0) + return r; - key = set_remove(m->busnames, (char*) old); - if (!key) - return 0; + r = sd_bus_message_open_container(m, 'a', "(sv)"); + if (r < 0) + return r; - /* Drop all controllers owned by this name */ + if (!isempty(description)) { + r = sd_bus_message_append(m, "(sv)", "Description", "s", description); + if (r < 0) + return r; + } - free(key); + if (!isempty(after)) { + r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); + if (r < 0) + return r; + } - HASHMAP_FOREACH(session, m->sessions, i) - if (session_is_controller(session, old)) - session_drop_controller(session); + if (!isempty(after2)) { + r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after2); + if (r < 0) + return r; + } - return 0; -} + r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); + if (r < 0) + return r; -int manager_send_changed(Manager *manager, const char *property, ...) { - char **l; + r = sd_bus_message_close_container(m); + if (r < 0) + return r; - assert(manager); + r = sd_bus_message_append(m, "a(sa(sv))", 0); + if (r < 0) + return r; - l = strv_from_stdarg_alloca(property); + r = sd_bus_call(manager->bus, m, 0, error, &reply); + if (r < 0) + return r; - return sd_bus_emit_properties_changed_strv( - manager->bus, - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - l); + return strdup_job(reply, job); } int manager_start_scope( @@ -2724,16 +2983,19 @@ int manager_start_scope( pid_t pid, const char *slice, const char *description, - const char *after, const char *after2, + const char *after, + const char *after2, + uint64_t tasks_max, sd_bus_error *error, char **job) { - _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; int r; assert(manager); assert(scope); assert(pid > 1); + assert(job); r = sd_bus_message_new_method_call( manager->bus, @@ -2792,6 +3054,10 @@ int manager_start_scope( if (r < 0) return r; + r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", tasks_max); + if (r < 0) + return r; + r = sd_bus_message_close_container(m); if (r < 0) return r; @@ -2804,30 +3070,16 @@ int manager_start_scope( if (r < 0) return r; - if (job) { - const char *j; - char *copy; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; + return strdup_job(reply, job); } int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; int r; assert(manager); assert(unit); + assert(job); r = sd_bus_call_method( manager->bus, @@ -2837,34 +3089,20 @@ int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, "StartUnit", error, &reply, - "ss", unit, "fail"); + "ss", unit, "replace"); if (r < 0) return r; - if (job) { - const char *j; - char *copy; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; + return strdup_job(reply, job); } int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; int r; assert(manager); assert(unit); + assert(job); r = sd_bus_call_method( manager->bus, @@ -2879,9 +3117,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { - if (job) - *job = NULL; - + *job = NULL; sd_bus_error_free(error); return 0; } @@ -2889,22 +3125,7 @@ int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, c return r; } - if (job) { - const char *j; - char *copy; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; + return strdup_job(reply, job); } int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) { @@ -2957,8 +3178,8 @@ int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo } int manager_unit_is_active(Manager *manager, const char *unit) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; _cleanup_free_ char *path = NULL; const char *state; int r; @@ -3003,8 +3224,8 @@ int manager_unit_is_active(Manager *manager, const char *unit) { } int manager_job_is_active(Manager *manager, const char *path) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; int r; assert(manager); @@ -3035,3 +3256,4 @@ int manager_job_is_active(Manager *manager, const char *path) { return true; } +#endif // 0