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=800e2a51b63185cfa6a0b7bb18ffd10a33fb5a45;hp=fc8953155d56bcc2a41b2f48d62cd3d058e4c530;hb=d76bb3c179b7a32b109e39aa87ff09c8f5a8c178;hpb=151b9b9662a90455262ce575a8a8ae74bf4ff336 diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index fc8953155..800e2a51b 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -23,26 +23,112 @@ #include #include #include -#include -#include "sd-id128.h" #include "sd-messages.h" #include "strv.h" #include "mkdir.h" #include "path-util.h" -#include "special.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-errors.h" +#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" +#include "utmp-wtmp.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, @@ -128,16 +214,42 @@ static int property_get_preparing( return sd_bus_message_append(reply, "b", b); } +static int property_get_scheduled_shutdown( + 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; + int r; + + assert(bus); + assert(reply); + assert(m); + + r = sd_bus_message_open_container(reply, 'r', "st"); + if (r < 0) + return r; + + r = sd_bus_message_append(reply, "st", m->scheduled_shutdown_type, m->scheduled_shutdown_timeout); + if (r < 0) + return r; + + return sd_bus_message_close_container(reply); +} + static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); -static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; const char *name; Session *session; int r; - assert(bus); assert(message); assert(m); @@ -145,9 +257,9 @@ 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) @@ -156,14 +268,13 @@ static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userda return sd_bus_reply_method_return(message, "o", p); } -static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Session *session = NULL; Manager *m = userdata; pid_t pid; int r; - assert(bus); assert(message); assert(m); @@ -173,23 +284,18 @@ 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 %lu does not belong to any known session", (unsigned long) 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) @@ -198,14 +304,13 @@ static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void return sd_bus_reply_method_return(message, "o", p); } -static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; uint32_t uid; User *user; int r; - assert(bus); assert(message); assert(m); @@ -213,9 +318,9 @@ 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 '%lu' known or logged in", (unsigned long) uid); + r = manager_get_user_from_creds(m, message, uid, error, &user); + if (r < 0) + return r; p = user_bus_path(user); if (!p) @@ -224,14 +329,13 @@ static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, return sd_bus_reply_method_return(message, "o", p); } -static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; User *user = NULL; pid_t pid; int r; - assert(bus); assert(message); assert(m); @@ -241,24 +345,18 @@ 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 %lu does not belong to any known or logged in user", (unsigned long) pid); - p = user_bus_path(user); if (!p) return -ENOMEM; @@ -266,14 +364,13 @@ static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *us return sd_bus_reply_method_return(message, "o", p); } -static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; const char *name; Seat *seat; int r; - assert(bus); assert(message); assert(m); @@ -281,9 +378,9 @@ 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) @@ -292,14 +389,13 @@ static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, return sd_bus_reply_method_return(message, "o", p); } -static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *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; Manager *m = userdata; Session *session; Iterator i; int r; - assert(bus); assert(message); assert(m); @@ -332,17 +428,16 @@ static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *user if (r < 0) return r; - return sd_bus_send(bus, reply, NULL); + return sd_bus_send(NULL, reply, NULL); } -static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; User *user; Iterator i; int r; - assert(bus); assert(message); assert(m); @@ -373,17 +468,16 @@ static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdat if (r < 0) return r; - return sd_bus_send(bus, reply, NULL); + return sd_bus_send(NULL, reply, NULL); } -static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; Seat *seat; Iterator i; int r; - assert(bus); assert(message); assert(m); @@ -411,16 +505,19 @@ static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdat if (r < 0) return r; - return sd_bus_send(bus, reply, NULL); + return sd_bus_send(NULL, reply, NULL); } -static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; Inhibitor *inhibitor; Iterator i; int r; + assert(message); + assert(m); + r = sd_bus_message_new_method_return(message, &reply); if (r < 0) return r; @@ -446,10 +543,10 @@ static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *us if (r < 0) return r; - return sd_bus_send(bus, reply, NULL); + return sd_bus_send(NULL, reply, NULL); } -static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +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; _cleanup_free_ char *id = NULL; @@ -463,7 +560,6 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use SessionClass c; int r; - assert(bus); assert(message); assert(m); @@ -570,8 +666,6 @@ 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; @@ -594,6 +688,17 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use 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, @@ -610,7 +715,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (audit_id > 0) { /* Keep our session IDs and the audit session IDs in sync */ - if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) + if (asprintf(&id, "%"PRIu32, audit_id) < 0) return -ENOMEM; /* Wut? There's already a session by this name and we @@ -621,15 +726,13 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use 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; @@ -714,9 +817,15 @@ 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().*/ + /* 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; @@ -730,13 +839,12 @@ fail: return r; } -static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; int r; - assert(bus); assert(message); assert(m); @@ -744,22 +852,25 @@ 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; + + r = session_release(session); + if (r < 0) + return r; - session_release(session); + session_add_to_gc_queue(session); return sd_bus_reply_method_return(message, NULL); } -static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; int r; - assert(bus); assert(message); assert(m); @@ -767,25 +878,20 @@ 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(message, session, error); } -static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *session_name, *seat_name; Manager *m = userdata; Session *session; Seat *seat; int r; - assert(bus); assert(message); assert(m); @@ -796,13 +902,13 @@ 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); @@ -814,13 +920,12 @@ static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, return sd_bus_reply_method_return(message, NULL); } -static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; int r; - assert(bus); assert(message); assert(m); @@ -828,25 +933,34 @@ 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(message, session, error); } -static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; - assert(bus); assert(message); assert(m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.lock-sessions", + NULL, + 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; @@ -854,80 +968,52 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user return sd_bus_reply_method_return(message, NULL); } -static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - const char *name, *swho; +static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { + 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(message, session, error); } -static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t uid; - int32_t signo; User *user; int r; - assert(bus); 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 '%lu' known or logged in", (unsigned long) 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(message, user, error); } -static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Session *session; int r; - assert(bus); assert(message); assert(m); @@ -935,24 +1021,19 @@ 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(message, session, error); } -static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t uid; User *user; int r; - assert(bus); assert(message); assert(m); @@ -960,24 +1041,19 @@ 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 '%lu' known or logged in", (unsigned long) 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(message, user, error); } -static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Seat *seat; int r; - assert(bus); assert(message); assert(m); @@ -985,18 +1061,14 @@ 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(message, seat, error); } -static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +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; @@ -1005,7 +1077,6 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us uint32_t uid; int interactive; - assert(bus); assert(message); assert(m); @@ -1013,18 +1084,33 @@ 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) return errno ? -errno : -ENOENT; - r = bus_verify_polkit_async(bus, - &m->polkit_registry, - message, - "org.freedesktop.login1.set-user-linger", - interactive, - error, - method_set_user_linger, m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.set-user-linger", + NULL, + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1040,7 +1126,7 @@ 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; @@ -1058,7 +1144,7 @@ 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); } @@ -1132,7 +1218,7 @@ static int attach_device(Manager *m, const char *seat, const char *sysfs) { return -ENOMEM; mkdir_p_label("/etc/udev/rules.d", 0755); - label_init("/etc"); + mac_selinux_init("/etc"); r = write_string_file_atomic_label(file, rule); if (r < 0) return r; @@ -1148,7 +1234,7 @@ static int flush_devices(Manager *m) { d = opendir("/etc/udev/rules.d"); if (!d) { if (errno != ENOENT) - log_warning("Failed to open /etc/udev/rules.d: %m"); + log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); } else { struct dirent *de; @@ -1164,19 +1250,18 @@ static int flush_devices(Manager *m) { continue; if (unlinkat(dirfd(d), de->d_name, 0) < 0) - log_warning("Failed to unlink %s: %m", de->d_name); + log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); } } return trigger_device(m, NULL); } -static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *sysfs, *seat; Manager *m = userdata; int interactive, r; - assert(bus); assert(message); assert(m); @@ -1190,13 +1275,15 @@ static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *user if (!seat_name_is_valid(seat)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); - r = bus_verify_polkit_async(bus, - &m->polkit_registry, - message, - "org.freedesktop.login1.attach-device", - interactive, - error, - method_attach_device, m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.attach-device", + NULL, + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1209,11 +1296,10 @@ static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *user return sd_bus_reply_method_return(message, NULL); } -static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int interactive, r; - assert(bus); assert(message); assert(m); @@ -1221,13 +1307,15 @@ static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *user if (r < 0) return r; - r = bus_verify_polkit_async(bus, - &m->polkit_registry, - message, - "org.freedesktop.login1.flush-devices", - interactive, - error, - method_flush_devices, m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.flush-devices", + NULL, + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1262,99 +1350,90 @@ 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; } - return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), + if (!isempty(m->wall_message)) + p = strjoina(p, " (", m->wall_message, ")"); + + return log_struct(LOG_NOTICE, + LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN), p, - q, NULL); + q, + NULL); } -static int execute_shutdown_or_sleep( - Manager *m, - InhibitWhat w, - const char *unit_name, - sd_bus_error *error) { +static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { + Manager *m = userdata; - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - const char *p; - char *c; + assert(e); + assert(m); + + m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); + return 0; +} + +int manager_set_lid_switch_ignore(Manager *m, usec_t until) { int r; assert(m); - assert(w >= 0); - assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); - bus_manager_log_shutdown(m, w, unit_name); + if (until <= now(CLOCK_MONOTONIC)) + return 0; - 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; + /* We want to ignore the lid switch for a while after each + * suspend, and after boot-up. Hence let's install a timer for + * this. As long as the event source exists we ignore the lid + * switch. */ - r = sd_bus_message_read(reply, "o", &p); - if (r < 0) - return r; + if (m->lid_switch_ignore_event_source) { + usec_t u; - c = strdup(p); - if (!c) - return -ENOMEM; + r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); + if (r < 0) + return r; - m->action_unit = unit_name; - free(m->action_job); - m->action_job = c; - m->action_what = w; - - return 0; -} - -static int delay_shutdown_or_sleep( - Manager *m, - InhibitWhat w, - const char *unit_name) { + if (until <= u) + return 0; - assert(m); - assert(w >= 0); - assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); + r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); + } else + r = sd_event_add_time( + m->event, + &m->lid_switch_ignore_event_source, + CLOCK_MONOTONIC, + until, 0, + lid_switch_ignore_handler, m); - m->action_timestamp = now(CLOCK_MONOTONIC); - m->action_unit = unit_name; - m->action_what = w; - - return 0; + return r; } static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { @@ -1379,9 +1458,148 @@ static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { active); } +static int execute_shutdown_or_sleep( + Manager *m, + InhibitWhat w, + HandleAction action, + sd_bus_error *error) { + +/// elogind does not need these, we do it ourselves +#if 0 + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + const char *p; + char *c; +#endif // 0 + int r; + + assert(m); + assert(w >= 0); + assert(w < _INHIBIT_WHAT_MAX); + + bus_manager_log_shutdown(m, w, action); + +/// elogind does it directly without depending on systemd running the system +#if 0 + r = sd_bus_call_method( + m->bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "StartUnit", + error, + &reply, + "ss", NULL, "replace-irreversibly"); +#else + r = shutdown_or_sleep(m, action); +#endif // 0 + if (r < 0) + return r; + +/// elogind neither needs a dbus reply, nor supports systemd action jobs +#if 0 + r = sd_bus_message_read(reply, "o", &p); + if (r < 0) + return r; + + c = strdup(p); + if (!c) + return -ENOMEM; + + m->action_unit = unit_name; + free(m->action_job); + m->action_job = c; + m->action_what = w; +#endif // 0 + + if (w == INHIBIT_SLEEP) + /* And we're back. */ + send_prepare_for(m, w, false); + + m->action_what = 0; + + /* 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; +} + +static int manager_inhibit_timeout_handler( + sd_event_source *s, + uint64_t usec, + void *userdata) { + + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + Inhibitor *offending = NULL; + Manager *manager = userdata; + int r; + + assert(manager); + assert(manager->inhibit_timeout_source == s); + + if (manager->action_what == 0) + return 0; + + if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { + _cleanup_free_ char *comm = NULL, *u = NULL; + + (void) get_process_comm(offending->pid, &comm); + u = uid_to_name(offending->uid); + + log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", + offending->uid, strna(u), + offending->pid, strna(comm)); + } + + /* Actually do the operation */ + 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->pending_action = HANDLE_IGNORE; + manager->action_what = 0; + } + + return 0; +} + +static int delay_shutdown_or_sleep( + Manager *m, + InhibitWhat w, + HandleAction action) { + + int r; + usec_t timeout_val; + + assert(m); + assert(w >= 0); + assert(w < _INHIBIT_WHAT_MAX); + + timeout_val = now(CLOCK_MONOTONIC) + m->inhibit_delay_max; + + if (m->inhibit_timeout_source) { + r = sd_event_source_set_time(m->inhibit_timeout_source, timeout_val); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_time() failed: %m"); + + r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); + } else { + r = sd_event_add_time(m->event, &m->inhibit_timeout_source, CLOCK_MONOTONIC, + timeout_val, 0, manager_inhibit_timeout_handler, m); + if (r < 0) + return r; + } + + m->pending_action = action; + m->action_what = w; + + return 0; +} + int bus_manager_shutdown_or_sleep_now_or_later( Manager *m, - const char *unit_name, + HandleAction action, InhibitWhat w, sd_bus_error *error) { @@ -1389,10 +1607,8 @@ 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); @@ -1404,64 +1620,40 @@ 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; } -static int method_do_shutdown_or_sleep( +static int verify_shutdown_creds( Manager *m, sd_bus_message *message, - const char *unit_name, InhibitWhat w, + bool interactive, const char *action, const char *action_multiple_sessions, const char *action_ignore_inhibit, - const char *sleep_verb, - sd_bus_message_handler_t method, sd_bus_error *error) { _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; bool multiple_sessions, blocked; - int interactive, r; uid_t uid; + int r; assert(m); assert(message); - assert(unit_name); assert(w >= 0); assert(w <= _INHIBIT_WHAT_MAX); - assert(action); - assert(action_multiple_sessions); - assert(action_ignore_inhibit); - assert(method); - r = sd_bus_message_read(message, "b", &interactive); + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); if (r < 0) return r; - /* 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"); - - if (sleep_verb) { - r = can_sleep(sleep_verb); - if (r < 0) - return r; - - if (r == 0) - 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); - 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; @@ -1472,106 +1664,387 @@ static int method_do_shutdown_or_sleep( multiple_sessions = r > 0; blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); - if (multiple_sessions) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action_multiple_sessions, interactive, error, method, m); + if (multiple_sessions && action_multiple_sessions) { + 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) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } - if (blocked) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action_ignore_inhibit, interactive, error, method, m); + if (blocked && action_ignore_inhibit) { + 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) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } - if (!multiple_sessions && !blocked) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action, interactive, error, method, m); + if (!multiple_sessions && !blocked && action) { + 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) + 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); + return 0; +} + +static int method_do_shutdown_or_sleep( + Manager *m, + sd_bus_message *message, + HandleAction sleep_action, + InhibitWhat w, + const char *action, + const char *action_multiple_sessions, + const char *action_ignore_inhibit, + const char *sleep_verb, + sd_bus_error *error) { + + int interactive, r; + + assert(m); + assert(message); + assert(w >= 0); + assert(w <= _INHIBIT_WHAT_MAX); + + r = sd_bus_message_read(message, "b", &interactive); + if (r < 0) + return r; + + /* 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"); + + if (sleep_verb) { + r = can_sleep(sleep_verb); + if (r < 0) + return r; + + if (r == 0) + return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); + } + + r = verify_shutdown_creds(m, message, w, interactive, action, action_multiple_sessions, + action_ignore_inhibit, error); + if (r != 0) + return r; + + r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error); if (r < 0) return r; return sd_bus_reply_method_return(message, NULL); } -static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = 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", "org.freedesktop.login1.power-off-ignore-inhibit", NULL, - method_poweroff, error); } -static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; 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", "org.freedesktop.login1.reboot-ignore-inhibit", NULL, - method_reboot, error); } -static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = 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", "org.freedesktop.login1.suspend-ignore-inhibit", "suspend", - method_suspend, error); } -static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int nologin_timeout_handler( + sd_event_source *s, + uint64_t usec, + void *userdata) { + + Manager *m = userdata; + int r; + + log_info("Creating /run/nologin, blocking further logins..."); + + r = write_string_file_atomic("/run/nologin", "System is going down."); + if (r < 0) + log_error_errno(r, "Failed to create /run/nologin: %m"); + else + m->unlink_nologin = true; + + return 0; +} + +static int update_schedule_file(Manager *m) { + _cleanup_free_ char *temp_path = NULL; + _cleanup_fclose_ FILE *f = NULL; + int r; + + assert(m); + + r = mkdir_safe_label("/run/systemd/shutdown", 0755, 0, 0); + if (r < 0) + return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); + + 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"); + + (void) fchmod(fileno(f), 0644); + + fprintf(f, + "USEC="USEC_FMT"\n" + "WARN_WALL=%i\n" + "MODE=%s\n", + m->scheduled_shutdown_timeout, + m->enable_wall_messages, + m->scheduled_shutdown_type); + + 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); + } + + r = fflush_and_check(f); + if (r < 0) + goto fail; + + if (rename(temp_path, "/run/systemd/shutdown/scheduled") < 0) { + r = -errno; + goto fail; + } + + 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"); +} + +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; + Manager *m = userdata; + HandleAction action; + int r; + + assert(m); + + if (isempty(m->scheduled_shutdown_type)) + return 0; + + if (streq(m->scheduled_shutdown_type, "halt")) + action = HANDLE_HALT; + else if (streq(m->scheduled_shutdown_type, "poweroff")) + action = HANDLE_POWEROFF; + else + action = HANDLE_REBOOT; + + r = execute_shutdown_or_sleep(m, 0, action, &error); + if (r < 0) + return log_error_errno(r, "Unable to execute transition to %s: %m", m->scheduled_shutdown_type); + + return 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; + const char *action_multiple_sessions = NULL; + const char *action_ignore_inhibit = NULL; + const char *action = NULL; + uint64_t elapse; + char *type; + int r; + + assert(m); + assert(message); + + r = sd_bus_message_read(message, "st", &type, &elapse); + if (r < 0) + return r; + + if (streq(type, "reboot")) { + action = "org.freedesktop.login1.reboot"; + action_multiple_sessions = "org.freedesktop.login1.reboot-multiple-sessions"; + action_ignore_inhibit = "org.freedesktop.login1.reboot-ignore-inhibit"; + } else if (streq(type, "halt")) { + action = "org.freedesktop.login1.halt"; + 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"; + } else + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); + + r = verify_shutdown_creds(m, message, INHIBIT_SHUTDOWN, false, + action, action_multiple_sessions, action_ignore_inhibit, error); + if (r != 0) + return r; + + if (m->scheduled_shutdown_timeout_source) { + r = sd_event_source_set_time(m->scheduled_shutdown_timeout_source, elapse); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_time() failed: %m"); + + r = sd_event_source_set_enabled(m->scheduled_shutdown_timeout_source, SD_EVENT_ONESHOT); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); + } else { + r = sd_event_add_time(m->event, &m->scheduled_shutdown_timeout_source, + CLOCK_REALTIME, elapse, 0, manager_scheduled_shutdown_handler, m); + if (r < 0) + return log_error_errno(r, "sd_event_add_time() failed: %m"); + } + + r = free_and_strdup(&m->scheduled_shutdown_type, type); + if (r < 0) { + m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); + return log_oom(); + } + + if (m->nologin_timeout_source) { + r = sd_event_source_set_time(m->nologin_timeout_source, elapse); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_time() failed: %m"); + + r = sd_event_source_set_enabled(m->nologin_timeout_source, SD_EVENT_ONESHOT); + if (r < 0) + return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); + } else { + r = sd_event_add_time(m->event, &m->nologin_timeout_source, + CLOCK_REALTIME, elapse - 5 * USEC_PER_MINUTE, 0, nologin_timeout_handler, m); + if (r < 0) + return log_error_errno(r, "sd_event_add_time() failed: %m"); + } + + m->scheduled_shutdown_timeout = elapse; + + 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; + + (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); + (void) sd_bus_creds_get_tty(creds, &tty); + + r = free_and_strdup(&m->scheduled_shutdown_tty, tty); + if (r < 0) { + m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); + return log_oom(); + } + } + + r = manager_setup_wall_message_timer(m); + if (r < 0) + return r; + + if (!isempty(type)) { + r = update_schedule_file(m); + if (r < 0) + return r; + } else + (void) unlink("/run/systemd/shutdown/scheduled"); + + return sd_bus_reply_method_return(message, NULL); +} + +static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { + Manager *m = userdata; + bool cancelled; + + assert(m); + assert(message); + + 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); + m->scheduled_shutdown_type = mfree(m->scheduled_shutdown_type); + m->scheduled_shutdown_timeout = 0; + + if (cancelled) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + const char *tty = NULL; + uid_t uid = 0; + int r; + + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); + if (r >= 0) { + (void) sd_bus_creds_get_uid(creds, &uid); + (void) sd_bus_creds_get_tty(creds, &tty); + } + + utmp_wall("The system shutdown has been cancelled", + lookup_uid(uid), tty, logind_wall_tty_filter, m); + } + + return sd_bus_reply_method_return(message, "b", cancelled); +} + +static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = 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", "org.freedesktop.login1.hibernate-ignore-inhibit", "hibernate", - method_hibernate, error); } -static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; 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", "org.freedesktop.login1.hibernate-ignore-inhibit", "hybrid-sleep", - method_hybrid_sleep, error); } @@ -1607,11 +2080,11 @@ 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; @@ -1623,7 +2096,7 @@ 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(m->bus, message, action_multiple_sessions, false, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1636,7 +2109,7 @@ static int method_can_shutdown_or_sleep( } if (blocked) { - r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1652,7 +2125,7 @@ static int method_can_shutdown_or_sleep( /* If neither inhibit nor multiple sessions * apply then just check the normal policy */ - r = bus_verify_polkit(m->bus, message, action, false, &challenge, error); + r = bus_test_polkit(message, CAP_SYS_BOOT, action, NULL, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1667,7 +2140,7 @@ static int method_can_shutdown_or_sleep( return sd_bus_reply_method_return(message, "s", result); } -static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1680,7 +2153,7 @@ static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userd error); } -static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1693,7 +2166,7 @@ static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdat error); } -static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1706,7 +2179,7 @@ static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userda error); } -static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1719,7 +2192,7 @@ static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *user error); } -static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1732,7 +2205,145 @@ static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *u error); } -static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *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_message *message, + void *userdata, + sd_bus_error *error) { + + int b, r; + Manager *m = userdata; + + 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", + NULL, + 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_message *message, + void *userdata, + sd_bus_error *error) { + + int r; + bool challenge; + const char *result; + Manager *m = userdata; + + 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", + NULL, + 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_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; + + 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 */ + + if (isempty(wall_message)) + m->wall_message = mfree(m->wall_message); + else { + r = free_and_strdup(&m->wall_message, 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; const char *who, *why, *what, *mode; _cleanup_free_ char *id = NULL; @@ -1745,7 +2356,6 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, uid_t uid; int r; - assert(bus); assert(message); assert(m); @@ -1772,25 +2382,31 @@ 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(bus, &m->polkit_registry, message, - 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, error, method_inhibit, m); + 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", + NULL, + 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; @@ -1799,8 +2415,7 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, return r; do { - free(id); - id = NULL; + id = mfree(id); if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) return -ENOMEM; @@ -1843,10 +2458,14 @@ fail: const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_START(0), - SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), + 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), + +// SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), 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), @@ -1857,10 +2476,13 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), 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), SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), + SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), 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), @@ -1875,21 +2497,23 @@ 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), 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), @@ -1898,6 +2522,9 @@ 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_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("SessionNew", "so", 0), SD_BUS_SIGNAL("SessionRemoved", "so", 0), @@ -1911,6 +2538,8 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_END }; +/// UNNEEDED by elogind +#if 0 static int session_jobs_reply(Session *s, const char *unit, const char *result) { int r = 0; @@ -1932,7 +2561,7 @@ static int session_jobs_reply(Session *s, const char *unit, const char *result) return r; } -int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *path, *result, *unit; Manager *m = userdata; Session *session; @@ -1940,14 +2569,13 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b User *user; int r; - assert(bus); assert(message); assert(m); 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)) { @@ -1956,8 +2584,7 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b /* 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; @@ -1966,10 +2593,8 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b 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 (streq_ptr(path, session->scope_job)) + session->scope_job = mfree(session->scope_job); session_jobs_reply(session, unit, result); @@ -1980,19 +2605,14 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b user = hashmap_get(m->user_units, unit); if (user) { - 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); @@ -2001,21 +2621,20 @@ int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_b return 0; } -int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *path, *unit; Manager *m = userdata; Session *session; User *user; int r; - assert(bus); assert(message); assert(m); 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); @@ -2029,7 +2648,7 @@ int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_ return 0; } -int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *unit = NULL; Manager *m = userdata; const char *path; @@ -2037,7 +2656,6 @@ int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdat User *user; int r; - assert(bus); assert(message); assert(m); @@ -2046,9 +2664,12 @@ 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 < 0) - /* quietly ignore non-units paths */ - return r == -EINVAL ? 0 : r; + if (r == -EINVAL) /* not a unit */ + return 0; + if (r < 0) { + log_oom(); + return 0; + } session = hashmap_get(m->session_units, unit); if (session) @@ -2061,18 +2682,19 @@ int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdat return 0; } -int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { +int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; Iterator i; int b, r; - assert(bus); + assert(message); + assert(m); r = sd_bus_message_read(message, "b", &b); if (r < 0) { bus_log_parse_error(r); - return r; + return 0; } if (b) @@ -2086,40 +2708,7 @@ int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus return 0; } - -int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - const char *name, *old, *new; - Manager *m = userdata; - Session *session; - Iterator i; - int r; - - - char *key; - - r = sd_bus_message_read(message, "sss", &name, &old, &new); - if (r < 0) { - bus_log_parse_error(r); - return r; - } - - if (isempty(old) || !isempty(new)) - return 0; - - key = set_remove(m->busnames, (char*) old); - if (!key) - return 0; - - /* Drop all controllers owned by this name */ - - free(key); - - HASHMAP_FOREACH(session, m->sessions, i) - if (session_is_controller(session, old)) - session_drop_controller(session); - - return 0; -} +#endif // 0 int manager_send_changed(Manager *manager, const char *property, ...) { char **l; @@ -2135,44 +2724,8 @@ int manager_send_changed(Manager *manager, const char *property, ...) { l); } -int manager_dispatch_delayed(Manager *manager) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - Inhibitor *offending = NULL; - int r; - - assert(manager); - - if (manager->action_what == 0 || manager->action_job) - return 0; - - /* Continue delay? */ - if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { - _cleanup_free_ char *comm = NULL, *u = NULL; - - get_process_comm(offending->pid, &comm); - u = uid_to_name(offending->uid); - - if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC)) - return 0; - - log_info("Delay lock is active (UID %lu/%s, PID %lu/%s) but inhibitor timeout is reached.", - (unsigned long) offending->uid, strna(u), - (unsigned long) offending->pid, strna(comm)); - } - - /* Actually do the operation */ - r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); - if (r < 0) { - log_warning("Failed to send delayed message: %s", bus_error_message(&error, r)); - - manager->action_unit = NULL; - manager->action_what = 0; - return r; - } - - return 1; -} - +/// UNNEEDED by elogind +#if 0 int manager_start_scope( Manager *manager, const char *scope, @@ -2490,3 +3043,4 @@ int manager_job_is_active(Manager *manager, const char *path) { return true; } +#endif //