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=5e6952de0593add01e1c4296654878c0e42f7b5c;hp=28b5cd49a7a07bd497e522808814a704c0c1f9c3;hb=81d08ba2e8e3cc1e59ab057953f18119804b9ff9;hpb=99e7e3922e1d25d0092bd61444c86dcc9a1e030e diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 28b5cd49a..5e6952de0 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -23,9 +23,7 @@ #include #include #include -#include -#include "sd-id128.h" #include "sd-messages.h" #include "strv.h" #include "mkdir.h" @@ -33,16 +31,99 @@ #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 "logind.h" + +int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + Session *session; + int r; + + assert(m); + assert(message); + assert(ret); + + if (isempty(name)) { + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_session(creds, &name); + if (r < 0) + return r; + } + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + *ret = session; + return 0; +} + +int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { + User *user; + int r; + + assert(m); + assert(message); + assert(ret); + + if (uid == UID_INVALID) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + + /* Note that we get the owner UID of the session, not the actual client UID here! */ + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_owner_uid(creds, &uid); + if (r < 0) + return r; + } + + user = hashmap_get(m->users, UID_TO_PTR(uid)); + if (!user) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid); + + *ret = user; + return 0; +} + +int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { + Seat *seat; + int r; + + assert(m); + assert(message); + assert(ret); + + if (isempty(name)) { + Session *session; + + r = manager_get_session_from_creds(m, message, NULL, error, &session); + if (r < 0) + return r; + + seat = session->seat; + + if (!seat) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); + } else { + seat = hashmap_get(m->seats, name); + if (!seat) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); + } + + *ret = seat; + return 0; +} static int property_get_idle_hint( sd_bus *bus, @@ -145,9 +226,9 @@ static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userda if (r < 0) return r; - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + r = manager_get_session_from_creds(m, message, name, error, &session); + if (r < 0) + return r; p = session_bus_path(session); if (!p) @@ -173,23 +254,18 @@ static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void if (r < 0) return r; - if (pid == 0) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; - - r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); + if (pid <= 0) { + r = manager_get_session_from_creds(m, message, NULL, error, &session); if (r < 0) return r; - - r = sd_bus_creds_get_pid(creds, &pid); + } else { + r = manager_get_session_by_pid(m, pid, &session); if (r < 0) return r; - } - r = manager_get_session_by_pid(m, pid, &session); - if (r < 0) - return r; - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID %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) @@ -213,9 +289,9 @@ static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, if (r < 0) return r; - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%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) @@ -241,24 +317,18 @@ static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *us if (r < 0) return r; - if (pid == 0) { - _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; - - r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); + if (pid <= 0) { + r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); if (r < 0) return r; - - r = sd_bus_creds_get_pid(creds, &pid); + } else { + r = manager_get_user_by_pid(m, pid, &user); if (r < 0) return r; + if (!user) + return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid); } - r = manager_get_user_by_pid(m, pid, &user); - if (r < 0) - return r; - if (!user) - return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid); - p = user_bus_path(user); if (!p) return -ENOMEM; @@ -281,9 +351,9 @@ static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, if (r < 0) return r; - seat = hashmap_get(m->seats, name); - if (!seat) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); + r = manager_get_seat_from_creds(m, message, name, error, &seat); + if (r < 0) + return r; p = seat_bus_path(seat); if (!p) @@ -570,8 +640,6 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (r < 0) return r; - assert_cc(sizeof(uint32_t) == sizeof(pid_t)); - r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); if (r < 0) return r; @@ -594,6 +662,17 @@ 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 +689,7 @@ 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 @@ -714,9 +793,15 @@ 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; @@ -744,11 +829,15 @@ static int method_release_session(sd_bus *bus, sd_bus_message *message, void *us if (r < 0) return r; - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + r = manager_get_session_from_creds(m, message, name, error, &session); + if (r < 0) + return r; - session_release(session); + r = session_release(session); + if (r < 0) + return r; + + session_add_to_gc_queue(session); return sd_bus_reply_method_return(message, NULL); } @@ -767,15 +856,11 @@ static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *u if (r < 0) return r; - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - - r = session_activate(session); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_session_method_activate(bus, message, session, error); } static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -796,13 +881,13 @@ 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); @@ -828,15 +913,11 @@ static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userd if (r < 0) return r; - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - - r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession")); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_session_method_lock(bus, message, session, error); } static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -847,6 +928,19 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user assert(message); assert(m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.lock-sessions", + false, + UID_INVALID, + &m->polkit_registry, + error); + if (r < 0) + return r; + if (r == 0) + return 1; /* Will call us back */ + r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); if (r < 0) return r; @@ -855,47 +949,29 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user } static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - const char *name, *swho; + const char *name; Manager *m = userdata; Session *session; - int32_t signo; - KillWho who; int r; assert(bus); assert(message); assert(m); - r = sd_bus_message_read(message, "ssi", &name, &swho, &signo); + r = sd_bus_message_read(message, "s", &name); if (r < 0) return r; - if (isempty(swho)) - who = KILL_ALL; - else { - who = kill_who_from_string(swho); - if (who < 0) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); - } - - if (signo <= 0 || signo >= _NSIG) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); - - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - - r = session_kill(session, who, signo); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_session_method_kill(bus, message, session, error); } static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t uid; - int32_t signo; User *user; int r; @@ -903,22 +979,15 @@ static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata assert(message); assert(m); - r = sd_bus_message_read(message, "ui", &uid, &signo); + r = sd_bus_message_read(message, "u", &uid); if (r < 0) return r; - if (signo <= 0 || signo >= _NSIG) - return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); - - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%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(bus, message, user, error); } static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -935,15 +1004,11 @@ static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void * if (r < 0) return r; - session = hashmap_get(m->sessions, name); - if (!session) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - - r = session_stop(session); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_session_method_terminate(bus, message, session, error); } static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -960,15 +1025,11 @@ static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *use if (r < 0) return r; - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); - - r = user_stop(user); + r = manager_get_user_from_creds(m, message, uid, error, &user); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_user_method_terminate(bus, message, user, error); } static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -985,15 +1046,11 @@ static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *use if (r < 0) return r; - seat = hashmap_get(m->seats, name); - if (!seat) - return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); - - r = seat_stop_sessions(seat); + r = manager_get_seat_from_creds(m, message, name, error, &seat); if (r < 0) return r; - return sd_bus_reply_method_return(message, NULL); + return bus_seat_method_terminate(bus, message, seat, error); } static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { @@ -1013,18 +1070,32 @@ 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", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1040,7 +1111,7 @@ 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 +1129,7 @@ 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 +1203,7 @@ 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 +1219,7 @@ 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; @@ -1164,7 +1235,7 @@ 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); } } @@ -1190,13 +1261,14 @@ 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", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1221,13 +1293,14 @@ 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", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) return r; if (r == 0) @@ -1262,80 +1335,109 @@ static int have_multiple_sessions( static int bus_manager_log_shutdown( Manager *m, InhibitWhat w, - const char *unit_name) { + HandleAction action) { const char *p, *q; assert(m); - assert(unit_name); if (w != INHIBIT_SHUTDOWN) return 0; - if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { + switch (action) { + case HANDLE_POWEROFF: p = "MESSAGE=System is powering down."; q = "SHUTDOWN=power-off"; - } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { + break; + case HANDLE_HALT: p = "MESSAGE=System is halting."; q = "SHUTDOWN=halt"; - } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { + break; + case HANDLE_REBOOT: p = "MESSAGE=System is rebooting."; q = "SHUTDOWN=reboot"; - } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { + break; + case HANDLE_KEXEC: p = "MESSAGE=System is rebooting with kexec."; q = "SHUTDOWN=kexec"; - } else { + break; + default: p = "MESSAGE=System is shutting down."; q = NULL; + break; } - return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), + return log_struct(LOG_NOTICE, + LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN), p, - q, NULL); + q, + NULL); +} + +static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { + Manager *m = userdata; + + 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); + + if (until <= now(CLOCK_MONOTONIC)) + return 0; + + /* 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. */ + + if (m->lid_switch_ignore_event_source) { + usec_t u; + + r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); + if (r < 0) + return r; + + if (until <= u) + return 0; + + 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); + + return r; } static int execute_shutdown_or_sleep( Manager *m, InhibitWhat w, - const char *unit_name, + HandleAction action, sd_bus_error *error) { - - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - const char *p; - char *c; int r; assert(m); assert(w >= 0); assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); - - bus_manager_log_shutdown(m, w, unit_name); - r = sd_bus_call_method( - m->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - error, - &reply, - "ss", unit_name, "replace-irreversibly"); - if (r < 0) - return r; + bus_manager_log_shutdown(m, w, action); - r = sd_bus_message_read(reply, "o", &p); + r = shutdown_or_sleep(m, action); if (r < 0) return r; - c = strdup(p); - if (!c) - return -ENOMEM; - - m->action_unit = unit_name; - free(m->action_job); - m->action_job = c; - m->action_what = w; + /* 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; } @@ -1343,15 +1445,14 @@ static int execute_shutdown_or_sleep( static int delay_shutdown_or_sleep( Manager *m, InhibitWhat w, - const char *unit_name) { + HandleAction action) { assert(m); assert(w >= 0); assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); m->action_timestamp = now(CLOCK_MONOTONIC); - m->action_unit = unit_name; + m->pending_action = action; m->action_what = w; return 0; @@ -1381,7 +1482,7 @@ static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { 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 +1490,8 @@ 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); @@ -1404,11 +1503,11 @@ int bus_manager_shutdown_or_sleep_now_or_later( if (delayed) /* Shutdown is delayed, keep in mind what we * want to do, and start a timeout */ - r = delay_shutdown_or_sleep(m, w, unit_name); + r = delay_shutdown_or_sleep(m, w, action); else /* Shutdown is not delayed, execute it * immediately */ - r = execute_shutdown_or_sleep(m, w, unit_name, error); + r = execute_shutdown_or_sleep(m, w, action, error); return r; } @@ -1416,7 +1515,7 @@ int bus_manager_shutdown_or_sleep_now_or_later( static int method_do_shutdown_or_sleep( Manager *m, sd_bus_message *message, - const char *unit_name, + HandleAction sleep_action, InhibitWhat w, const char *action, const char *action_multiple_sessions, @@ -1432,7 +1531,6 @@ static int method_do_shutdown_or_sleep( assert(m); assert(message); - assert(unit_name); assert(w >= 0); assert(w <= _INHIBIT_WHAT_MAX); assert(action); @@ -1457,11 +1555,11 @@ static int method_do_shutdown_or_sleep( return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); } - r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_UID, &creds); + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); if (r < 0) return r; - r = sd_bus_creds_get_uid(creds, &uid); + r = sd_bus_creds_get_euid(creds, &uid); if (r < 0) return r; @@ -1473,27 +1571,30 @@ static int method_do_shutdown_or_sleep( blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); if (multiple_sessions) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action_multiple_sessions, interactive, error, method, m); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; + if (r == 0) + 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); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; + if (r == 0) + 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); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) return r; + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } - r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); + r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error); if (r < 0) return r; @@ -1505,7 +1606,7 @@ static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, return method_do_shutdown_or_sleep( m, message, - SPECIAL_POWEROFF_TARGET, + HANDLE_POWEROFF, INHIBIT_SHUTDOWN, "org.freedesktop.login1.power-off", "org.freedesktop.login1.power-off-multiple-sessions", @@ -1520,7 +1621,7 @@ static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, s return method_do_shutdown_or_sleep( m, message, - SPECIAL_REBOOT_TARGET, + HANDLE_REBOOT, INHIBIT_SHUTDOWN, "org.freedesktop.login1.reboot", "org.freedesktop.login1.reboot-multiple-sessions", @@ -1535,7 +1636,7 @@ static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, return method_do_shutdown_or_sleep( m, message, - SPECIAL_SUSPEND_TARGET, + HANDLE_SUSPEND, INHIBIT_SLEEP, "org.freedesktop.login1.suspend", "org.freedesktop.login1.suspend-multiple-sessions", @@ -1550,7 +1651,7 @@ static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata return method_do_shutdown_or_sleep( m, message, - SPECIAL_HIBERNATE_TARGET, + HANDLE_HIBERNATE, INHIBIT_SLEEP, "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", @@ -1565,7 +1666,7 @@ static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userd return method_do_shutdown_or_sleep( m, message, - SPECIAL_HYBRID_SLEEP_TARGET, + HANDLE_HYBRID_SLEEP, INHIBIT_SLEEP, "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", @@ -1607,11 +1708,11 @@ 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 +1724,7 @@ 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_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1636,7 +1737,7 @@ static int method_can_shutdown_or_sleep( } if (blocked) { - r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, error); + r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1652,7 +1753,7 @@ 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_verify_polkit(message, CAP_SYS_BOOT, action, false, UID_INVALID, &challenge, error); if (r < 0) return r; @@ -1772,25 +1873,30 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, if (m->action_what & w) return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); - r = bus_verify_polkit_async(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", + 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; @@ -1843,7 +1949,6 @@ 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_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), @@ -1857,6 +1962,8 @@ 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), @@ -1875,15 +1982,15 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), - SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0), - SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0), - SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0), - SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0), - SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), - SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), - SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), - SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), - SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), + SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), @@ -1911,215 +2018,6 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_END }; -static int session_jobs_reply(Session *s, const char *unit, const char *result) { - int r = 0; - - assert(s); - assert(unit); - - if (!s->started) - return r; - - if (streq(result, "done")) - r = session_send_create_reply(s, NULL); - else { - _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; - - sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); - r = session_send_create_reply(s, &e); - } - - return r; -} - -int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - const char *path, *result, *unit; - Manager *m = userdata; - Session *session; - uint32_t id; - 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; - } - - if (m->action_job && streq(m->action_job, path)) { - log_info("Operation finished."); - - /* 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_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; - } - - session_jobs_reply(session, unit, result); - - session_save(session); - session_add_to_gc_queue(session); - } - - 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->slice_job)) { - free(user->slice_job); - user->slice_job = NULL; - } - - LIST_FOREACH(sessions_by_user, session, user->sessions) { - session_jobs_reply(session, unit, result); - } - - user_save(user); - user_add_to_gc_queue(user); - } - - return 0; -} - -int match_unit_removed(sd_bus *bus, 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; - } - - session = hashmap_get(m->session_units, unit); - if (session) - session_add_to_gc_queue(session); - - user = hashmap_get(m->user_units, unit); - if (user) - user_add_to_gc_queue(user); - - return 0; -} - -int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - _cleanup_free_ char *unit = NULL; - Manager *m = userdata; - const char *path; - Session *session; - User *user; - int r; - - assert(bus); - assert(message); - assert(m); - - path = sd_bus_message_get_path(message); - if (!path) - return 0; - - r = unit_name_from_dbus_path(path, &unit); - if (r < 0) - return r; - - session = hashmap_get(m->session_units, unit); - if (session) - session_add_to_gc_queue(session); - - user = hashmap_get(m->user_units, unit); - if (user) - user_add_to_gc_queue(user); - - return 0; -} - -int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { - Manager *m = userdata; - Session *session; - Iterator i; - int b, r; - - assert(bus); - - r = sd_bus_message_read(message, "b", &b); - if (r < 0) { - bus_log_parse_error(r); - return r; - } - - if (b) - return 0; - - /* systemd finished reloading, let's recheck all our sessions */ - log_debug("System manager has been reloaded, rechecking sessions..."); - - HASHMAP_FOREACH(session, m->sessions, i) - session_add_to_gc_queue(session); - - 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; -} - int manager_send_changed(Manager *manager, const char *property, ...) { char **l; @@ -2141,7 +2039,7 @@ int manager_dispatch_delayed(Manager *manager) { assert(manager); - if (manager->action_what == 0 || manager->action_job) + if (manager->action_what == 0) return 0; /* Continue delay? */ @@ -2154,332 +2052,20 @@ int manager_dispatch_delayed(Manager *manager) { 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)); + log_info("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->action_unit, &error); + r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error); if (r < 0) { log_warning("Failed to send delayed message: %s", bus_error_message(&error, r)); - manager->action_unit = NULL; + manager->pending_action = HANDLE_IGNORE; manager->action_what = 0; return r; } return 1; } - -int manager_start_scope( - Manager *manager, - const char *scope, - pid_t pid, - const char *slice, - const char *description, - const char *after, - sd_bus_error *error, - char **job) { - - _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; - int r; - - assert(manager); - assert(scope); - assert(pid > 1); - - r = sd_bus_message_new_method_call( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartTransientUnit", - &m); - if (r < 0) - return r; - - r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); - if (r < 0) - return r; - - r = sd_bus_message_open_container(m, 'a', "(sv)"); - if (r < 0) - return r; - - if (!isempty(slice)) { - r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); - if (r < 0) - return r; - } - - if (!isempty(description)) { - r = sd_bus_message_append(m, "(sv)", "Description", "s", description); - if (r < 0) - return r; - } - - if (!isempty(description)) { - r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); - if (r < 0) - return r; - } - - /* cgroup empty notification is not available in containers - * currently. To make this less problematic, let's shorten the - * stop timeout for sessions, so that we don't wait - * forever. */ - - /* Make sure that the session shells are terminated with - * SIGHUP since bash and friends tend to ignore SIGTERM */ - r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); - if (r < 0) - return r; - - r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); - if (r < 0) - return r; - - r = sd_bus_message_close_container(m); - if (r < 0) - return r; - - r = sd_bus_message_append(m, "a(sa(sv))", 0); - if (r < 0) - return r; - - r = sd_bus_call(manager->bus, m, 0, error, &reply); - 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; -} - -int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - int r; - - assert(manager); - assert(unit); - - r = sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - error, - &reply, - "ss", unit, "fail"); - 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; -} - -int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - int r; - - assert(manager); - assert(unit); - - r = sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StopUnit", - error, - &reply, - "ss", unit, "fail"); - if (r < 0) { - 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; - - sd_bus_error_free(error); - return 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; -} - -int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error) { - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ char *path = NULL; - int r; - - assert(manager); - assert(scope); - - path = unit_dbus_path_from_name(scope); - if (!path) - return -ENOMEM; - - r = sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - path, - "org.freedesktop.systemd1.Scope", - "Abandon", - error, - NULL, - NULL); - if (r < 0) { - if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || - sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { - sd_bus_error_free(error); - return 0; - } - - return r; - } - - return 1; -} - -int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { - assert(manager); - assert(unit); - - return sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "KillUnit", - error, - NULL, - "ssi", unit, who == KILL_LEADER ? "main" : "all", 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_free_ char *path = NULL; - const char *state; - int r; - - assert(manager); - assert(unit); - - path = unit_dbus_path_from_name(unit); - if (!path) - return -ENOMEM; - - r = sd_bus_get_property( - manager->bus, - "org.freedesktop.systemd1", - path, - "org.freedesktop.systemd1.Unit", - "ActiveState", - &error, - &reply, - "s"); - if (r < 0) { - /* systemd might have droppped off momentarily, let's - * not make this an error */ - if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || - sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) - return true; - - /* If the unit is already unloaded then it's not - * active */ - if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || - sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) - return false; - - return r; - } - - r = sd_bus_message_read(reply, "s", &state); - if (r < 0) - return -EINVAL; - - return !streq(state, "inactive") && !streq(state, "failed"); -} - -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; - int r; - - assert(manager); - assert(path); - - r = sd_bus_get_property( - manager->bus, - "org.freedesktop.systemd1", - path, - "org.freedesktop.systemd1.Job", - "State", - &error, - &reply, - "s"); - if (r < 0) { - if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || - sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) - return true; - - if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) - return false; - - return r; - } - - /* We don't actually care about the state really. The fact - * that we could read the job state is enough for us */ - - return true; -}