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-rw-r--r--src/login/loginctl.c1653
1 files changed, 1653 insertions, 0 deletions
diff --git a/src/login/loginctl.c b/src/login/loginctl.c
new file mode 100644
index 0000000..7fc6efc
--- /dev/null
+++ b/src/login/loginctl.c
@@ -0,0 +1,1653 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <errno.h>
+#include <getopt.h>
+#include <locale.h>
+#include <unistd.h>
+
+#include "sd-bus.h"
+
+#include "alloc-util.h"
+#include "build.h"
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "bus-map-properties.h"
+#include "bus-print-properties.h"
+#include "bus-unit-procs.h"
+#include "cgroup-show.h"
+#include "cgroup-util.h"
+#include "format-table.h"
+#include "log.h"
+#include "logs-show.h"
+#include "macro.h"
+#include "main-func.h"
+#include "memory-util.h"
+#include "pager.h"
+#include "parse-argument.h"
+#include "parse-util.h"
+#include "pretty-print.h"
+#include "process-util.h"
+#include "rlimit-util.h"
+#include "sigbus.h"
+#include "signal-util.h"
+#include "spawn-polkit-agent.h"
+#include "string-table.h"
+#include "strv.h"
+#include "sysfs-show.h"
+#include "terminal-util.h"
+#include "unit-name.h"
+#include "user-util.h"
+#include "verbs.h"
+
+static char **arg_property = NULL;
+static BusPrintPropertyFlags arg_print_flags = 0;
+static bool arg_full = false;
+static PagerFlags arg_pager_flags = 0;
+static bool arg_legend = true;
+static const char *arg_kill_whom = NULL;
+static int arg_signal = SIGTERM;
+static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
+static char *arg_host = NULL;
+static bool arg_ask_password = true;
+static unsigned arg_lines = 10;
+static OutputMode arg_output = OUTPUT_SHORT;
+
+STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
+
+typedef struct SessionStatusInfo {
+ const char *id;
+ uid_t uid;
+ const char *name;
+ dual_timestamp timestamp;
+ unsigned vtnr;
+ const char *seat;
+ const char *tty;
+ const char *display;
+ bool remote;
+ const char *remote_host;
+ const char *remote_user;
+ const char *service;
+ pid_t leader;
+ const char *type;
+ const char *class;
+ const char *state;
+ const char *scope;
+ const char *desktop;
+ bool idle_hint;
+ dual_timestamp idle_hint_timestamp;
+} SessionStatusInfo;
+
+typedef struct UserStatusInfo {
+ uid_t uid;
+ bool linger;
+ const char *name;
+ dual_timestamp timestamp;
+ const char *state;
+ char **sessions;
+ const char *display;
+ const char *slice;
+} UserStatusInfo;
+
+typedef struct SeatStatusInfo {
+ const char *id;
+ const char *active_session;
+ char **sessions;
+} SeatStatusInfo;
+
+static void user_status_info_done(UserStatusInfo *info) {
+ assert(info);
+
+ strv_free(info->sessions);
+}
+
+static void seat_status_info_done(SeatStatusInfo *info) {
+ assert(info);
+
+ strv_free(info->sessions);
+}
+
+static OutputFlags get_output_flags(void) {
+ return
+ FLAGS_SET(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY) * OUTPUT_SHOW_ALL |
+ (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH |
+ colors_enabled() * OUTPUT_COLOR;
+}
+
+static int show_table(Table *table, const char *word) {
+ int r;
+
+ assert(table);
+ assert(word);
+
+ if (table_get_rows(table) > 1 || OUTPUT_MODE_IS_JSON(arg_output)) {
+ r = table_set_sort(table, (size_t) 0);
+ if (r < 0)
+ return table_log_sort_error(r);
+
+ table_set_header(table, arg_legend);
+
+ if (OUTPUT_MODE_IS_JSON(arg_output))
+ r = table_print_json(table, NULL, output_mode_to_json_format_flags(arg_output) | JSON_FORMAT_COLOR_AUTO);
+ else
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+ }
+
+ if (arg_legend) {
+ if (table_get_rows(table) > 1)
+ printf("\n%zu %s listed.\n", table_get_rows(table) - 1, word);
+ else
+ printf("No %s.\n", word);
+ }
+
+ return 0;
+}
+
+static int list_sessions(int argc, char *argv[], void *userdata) {
+
+ static const struct bus_properties_map map[] = {
+ { "IdleHint", "b", NULL, offsetof(SessionStatusInfo, idle_hint) },
+ { "IdleSinceHintMonotonic", "t", NULL, offsetof(SessionStatusInfo, idle_hint_timestamp.monotonic) },
+ { "State", "s", NULL, offsetof(SessionStatusInfo, state) },
+ { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
+ {},
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ pager_open(arg_pager_flags);
+
+ r = bus_call_method(bus, bus_login_mgr, "ListSessions", &error, &reply, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list sessions: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, 'a', "(susso)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ table = table_new("session", "uid", "user", "seat", "tty", "state", "idle", "since");
+ if (!table)
+ return log_oom();
+
+ /* Right-align the first two fields (since they are numeric) */
+ (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
+ (void) table_set_align_percent(table, TABLE_HEADER_CELL(1), 100);
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ for (;;) {
+ _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL;
+ const char *id, *user, *seat, *object;
+ uint32_t uid;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ SessionStatusInfo i = {};
+
+ r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", object, map, BUS_MAP_BOOLEAN_AS_BOOL, &e, &m, &i);
+ if (r < 0) {
+ log_full_errno(sd_bus_error_has_name(&e, SD_BUS_ERROR_UNKNOWN_OBJECT) ? LOG_DEBUG : LOG_WARNING,
+ r,
+ "Failed to get properties of session %s, ignoring: %s",
+ id, bus_error_message(&e, r));
+ continue;
+ }
+
+ r = table_add_many(table,
+ TABLE_STRING, id,
+ TABLE_UID, (uid_t) uid,
+ TABLE_STRING, user,
+ TABLE_STRING, empty_to_null(seat),
+ TABLE_STRING, empty_to_null(i.tty),
+ TABLE_STRING, i.state,
+ TABLE_BOOLEAN, i.idle_hint);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.idle_hint)
+ r = table_add_cell(table, NULL, TABLE_TIMESTAMP_RELATIVE_MONOTONIC, &i.idle_hint_timestamp.monotonic);
+ else
+ r = table_add_cell(table, NULL, TABLE_EMPTY, NULL);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return show_table(table, "sessions");
+}
+
+static int list_users(int argc, char *argv[], void *userdata) {
+
+ static const struct bus_properties_map property_map[] = {
+ { "Linger", "b", NULL, offsetof(UserStatusInfo, linger) },
+ { "State", "s", NULL, offsetof(UserStatusInfo, state) },
+ {},
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ pager_open(arg_pager_flags);
+
+ r = bus_call_method(bus, bus_login_mgr, "ListUsers", &error, &reply, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list users: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, 'a', "(uso)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ table = table_new("uid", "user", "linger", "state");
+ if (!table)
+ return log_oom();
+
+ (void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ for (;;) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error_property = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_property = NULL;
+ _cleanup_(user_status_info_done) UserStatusInfo info = {};
+ const char *user, *object;
+ uint32_t uid;
+
+ r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ r = bus_map_all_properties(bus,
+ "org.freedesktop.login1",
+ object,
+ property_map,
+ BUS_MAP_BOOLEAN_AS_BOOL,
+ &error_property,
+ &reply_property,
+ &info);
+ if (r < 0) {
+ log_full_errno(sd_bus_error_has_name(&error_property, SD_BUS_ERROR_UNKNOWN_OBJECT) ? LOG_DEBUG : LOG_WARNING,
+ r,
+ "Failed to get properties of user %s, ignoring: %s",
+ user, bus_error_message(&error_property, r));
+ continue;
+ }
+
+ r = table_add_many(table,
+ TABLE_UID, (uid_t) uid,
+ TABLE_STRING, user,
+ TABLE_BOOLEAN, info.linger,
+ TABLE_STRING, info.state);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return show_table(table, "users");
+}
+
+static int list_seats(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ pager_open(arg_pager_flags);
+
+ r = bus_call_method(bus, bus_login_mgr, "ListSeats", &error, &reply, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to list seats: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_enter_container(reply, 'a', "(so)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ table = table_new("seat");
+ if (!table)
+ return log_oom();
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+ for (;;) {
+ const char *seat;
+
+ r = sd_bus_message_read(reply, "(so)", &seat, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+ if (r == 0)
+ break;
+
+ r = table_add_cell(table, NULL, TABLE_STRING, seat);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = sd_bus_message_exit_container(reply);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return show_table(table, "seats");
+}
+
+static int show_unit_cgroup(
+ sd_bus *bus,
+ const char *unit,
+ pid_t leader,
+ const char *prefix) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_free_ char *cgroup = NULL;
+ unsigned c;
+ int r;
+
+ assert(bus);
+ assert(unit);
+ assert(prefix);
+
+ r = show_cgroup_get_unit_path_and_warn(bus, unit, &cgroup);
+ if (r < 0)
+ return r;
+
+ if (isempty(cgroup))
+ return 0;
+
+ c = columns();
+ if (c > 18)
+ c -= 18;
+
+ r = unit_show_processes(bus, unit, cgroup, prefix, c, get_output_flags(), &error);
+ if (r == -EBADR) {
+ if (arg_transport == BUS_TRANSPORT_REMOTE)
+ return 0;
+
+ /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */
+
+ if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0)
+ return 0;
+
+ show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, prefix, c, &leader, leader > 0, get_output_flags());
+ } else if (r < 0)
+ return log_error_errno(r, "Failed to dump process list: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ const char *contents;
+ int r;
+
+ assert(bus);
+ assert(m);
+
+ r = sd_bus_message_peek_type(m, NULL, &contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, contents);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_read_basic(m, contents[0], userdata);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_skip(m, contents+1);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
+ const char *name;
+ int r;
+
+ assert(bus);
+ assert(m);
+
+ r = sd_bus_message_enter_container(m, 'a', "(so)");
+ if (r < 0)
+ return r;
+
+ while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) {
+ r = strv_extend(userdata, name);
+ if (r < 0)
+ return r;
+ }
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_exit_container(m);
+}
+
+static int mark_session(char **sessions, const char *target_session) {
+ assert(sessions);
+ assert(target_session);
+
+ STRV_FOREACH(i, sessions)
+ if (streq(*i, target_session)) {
+ _cleanup_free_ char *marked = NULL;
+
+ marked = strjoin("*", target_session);
+ if (!marked)
+ return log_oom();
+
+ return free_and_replace(*i, marked);
+ }
+
+ return 0;
+}
+
+static int print_session_status_info(sd_bus *bus, const char *path) {
+
+ static const struct bus_properties_map map[] = {
+ { "Id", "s", NULL, offsetof(SessionStatusInfo, id) },
+ { "Name", "s", NULL, offsetof(SessionStatusInfo, name) },
+ { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) },
+ { "Display", "s", NULL, offsetof(SessionStatusInfo, display) },
+ { "RemoteHost", "s", NULL, offsetof(SessionStatusInfo, remote_host) },
+ { "RemoteUser", "s", NULL, offsetof(SessionStatusInfo, remote_user) },
+ { "Service", "s", NULL, offsetof(SessionStatusInfo, service) },
+ { "Desktop", "s", NULL, offsetof(SessionStatusInfo, desktop) },
+ { "Type", "s", NULL, offsetof(SessionStatusInfo, type) },
+ { "Class", "s", NULL, offsetof(SessionStatusInfo, class) },
+ { "Scope", "s", NULL, offsetof(SessionStatusInfo, scope) },
+ { "State", "s", NULL, offsetof(SessionStatusInfo, state) },
+ { "VTNr", "u", NULL, offsetof(SessionStatusInfo, vtnr) },
+ { "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) },
+ { "Remote", "b", NULL, offsetof(SessionStatusInfo, remote) },
+ { "Timestamp", "t", NULL, offsetof(SessionStatusInfo, timestamp.realtime) },
+ { "TimestampMonotonic", "t", NULL, offsetof(SessionStatusInfo, timestamp.monotonic) },
+ { "IdleHint", "b", NULL, offsetof(SessionStatusInfo, idle_hint) },
+ { "IdleSinceHint", "t", NULL, offsetof(SessionStatusInfo, idle_hint_timestamp.realtime) },
+ { "IdleSinceHintMonotonic", "t", NULL, offsetof(SessionStatusInfo, idle_hint_timestamp.monotonic) },
+ { "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) },
+ { "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, seat) },
+ {}
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(table_unrefp) Table *table = NULL;
+ SessionStatusInfo i = {};
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, BUS_MAP_BOOLEAN_AS_BOOL, &error, &m, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_NA);
+
+ if (dual_timestamp_is_set(&i.timestamp)) {
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Since");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_cell_stringf(table, NULL, "%s; %s",
+ FORMAT_TIMESTAMP(i.timestamp.realtime),
+ FORMAT_TIMESTAMP_RELATIVE_MONOTONIC(i.timestamp.monotonic));
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_add_many(table,
+ TABLE_FIELD, "State",
+ TABLE_STRING, i.state);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.leader > 0) {
+ _cleanup_free_ char *name = NULL;
+
+ (void) pid_get_comm(i.leader, &name);
+
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Leader");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_cell_stringf(table, NULL, PID_FMT "%s%s%s",
+ i.leader,
+ !isempty(name) ? " (" : "",
+ strempty(name),
+ !isempty(name) ? ")" : "");
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+
+ if (!isempty(i.seat)) {
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Seat");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.vtnr > 0)
+ r = table_add_cell_stringf(table, NULL, "%s; vc%u", i.seat, i.vtnr);
+ else
+ r = table_add_cell(table, NULL, TABLE_STRING, i.seat);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i.tty))
+ r = table_add_many(table,
+ TABLE_FIELD, "TTY",
+ TABLE_STRING, i.tty);
+ else if (!isempty(i.display))
+ r = table_add_many(table,
+ TABLE_FIELD, "Display",
+ TABLE_STRING, i.display);
+ else
+ r = 0;
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Remote");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.remote_host && i.remote_user)
+ r = table_add_cell_stringf(table, NULL, "%s@%s", i.remote_user, i.remote_host);
+ else if (i.remote_host)
+ r = table_add_cell(table, NULL, TABLE_STRING, i.remote_host);
+ else if (i.remote_user)
+ r = table_add_cell_stringf(table, NULL, "user %s", i.remote_user);
+ else
+ r = table_add_cell(table, NULL, TABLE_BOOLEAN, &i.remote);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.service) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Service",
+ TABLE_STRING, i.service);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (i.type) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Type",
+ TABLE_STRING, i.type);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (i.class) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Class",
+ TABLE_STRING, i.class);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (!isempty(i.desktop)) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Desktop",
+ TABLE_STRING, i.desktop);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Idle");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.idle_hint && dual_timestamp_is_set(&i.idle_hint_timestamp))
+ r = table_add_cell_stringf(table, NULL, "%s since %s (%s)",
+ yes_no(i.idle_hint),
+ FORMAT_TIMESTAMP(i.idle_hint_timestamp.realtime),
+ FORMAT_TIMESTAMP_RELATIVE_MONOTONIC(i.idle_hint_timestamp.monotonic));
+ else
+ r = table_add_cell(table, NULL, TABLE_BOOLEAN, &i.idle_hint);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.scope) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Unit",
+ TABLE_SET_MINIMUM_WIDTH, STRLEN("Display"), /* For alignment with show_unit_cgroup */
+ TABLE_STRING, i.scope);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ /* We don't use the table to show the header, in order to make the width of the column stable. */
+ printf("%s%s - %s (" UID_FMT ")%s\n", ansi_highlight(), i.id, i.name, i.uid, ansi_normal());
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ if (i.scope) {
+ show_unit_cgroup(bus, i.scope, i.leader, /* prefix = */ strrepa(" ", STRLEN("Display: ")));
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL)
+ show_journal_by_unit(
+ stdout,
+ i.scope,
+ NULL,
+ arg_output,
+ 0,
+ i.timestamp.monotonic,
+ arg_lines,
+ 0,
+ get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+ SD_JOURNAL_LOCAL_ONLY,
+ true,
+ NULL);
+ }
+
+ return 0;
+}
+
+static int print_user_status_info(sd_bus *bus, const char *path) {
+
+ static const struct bus_properties_map map[] = {
+ { "Name", "s", NULL, offsetof(UserStatusInfo, name) },
+ { "Linger", "b", NULL, offsetof(UserStatusInfo, linger) },
+ { "Slice", "s", NULL, offsetof(UserStatusInfo, slice) },
+ { "State", "s", NULL, offsetof(UserStatusInfo, state) },
+ { "UID", "u", NULL, offsetof(UserStatusInfo, uid) },
+ { "Timestamp", "t", NULL, offsetof(UserStatusInfo, timestamp.realtime) },
+ { "TimestampMonotonic", "t", NULL, offsetof(UserStatusInfo, timestamp.monotonic) },
+ { "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) },
+ { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) },
+ {}
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(user_status_info_done) UserStatusInfo i = {};
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, BUS_MAP_BOOLEAN_AS_BOOL, &error, &m, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_NA);
+
+ if (dual_timestamp_is_set(&i.timestamp)) {
+ r = table_add_cell(table, NULL, TABLE_FIELD, "Since");
+ if (r < 0)
+ return table_log_add_error(r);
+
+ r = table_add_cell_stringf(table, NULL, "%s; %s",
+ FORMAT_TIMESTAMP(i.timestamp.realtime),
+ FORMAT_TIMESTAMP_RELATIVE_MONOTONIC(i.timestamp.monotonic));
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_add_many(table,
+ TABLE_FIELD, "State",
+ TABLE_STRING, i.state);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (!strv_isempty(i.sessions)) {
+ _cleanup_strv_free_ char **sessions = TAKE_PTR(i.sessions);
+
+ r = mark_session(sessions, i.display);
+ if (r < 0)
+ return r;
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Sessions",
+ TABLE_STRV_WRAPPED, sessions);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Linger",
+ TABLE_BOOLEAN, i.linger);
+ if (r < 0)
+ return table_log_add_error(r);
+
+ if (i.slice) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Unit",
+ TABLE_SET_MINIMUM_WIDTH, STRLEN("Sessions"), /* For alignment with show_unit_cgroup */
+ TABLE_STRING, i.slice);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ printf("%s%s (" UID_FMT ")%s\n", ansi_highlight(), i.name, i.uid, ansi_normal());
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ if (i.slice) {
+ show_unit_cgroup(bus, i.slice, /* leader = */ 0, /* prefix = */ strrepa(" ", STRLEN("Sessions: ")));
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL)
+ show_journal_by_unit(
+ stdout,
+ i.slice,
+ NULL,
+ arg_output,
+ 0,
+ i.timestamp.monotonic,
+ arg_lines,
+ 0,
+ get_output_flags() | OUTPUT_BEGIN_NEWLINE,
+ SD_JOURNAL_LOCAL_ONLY,
+ true,
+ NULL);
+ }
+
+ return 0;
+}
+
+static int print_seat_status_info(sd_bus *bus, const char *path) {
+
+ static const struct bus_properties_map map[] = {
+ { "Id", "s", NULL, offsetof(SeatStatusInfo, id) },
+ { "ActiveSession", "(so)", prop_map_first_of_struct, offsetof(SeatStatusInfo, active_session) },
+ { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(SeatStatusInfo, sessions) },
+ {}
+ };
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
+ _cleanup_(seat_status_info_done) SeatStatusInfo i = {};
+ _cleanup_(table_unrefp) Table *table = NULL;
+ int r;
+
+ r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, 0, &error, &m, &i);
+ if (r < 0)
+ return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r));
+
+ table = table_new_vertical();
+ if (!table)
+ return log_oom();
+
+ (void) table_set_ersatz_string(table, TABLE_ERSATZ_NA);
+
+ if (!strv_isempty(i.sessions)) {
+ _cleanup_strv_free_ char **sessions = TAKE_PTR(i.sessions);
+
+ r = mark_session(sessions, i.active_session);
+ if (r < 0)
+ return r;
+
+ r = table_add_many(table,
+ TABLE_FIELD, "Sessions",
+ TABLE_STRV_WRAPPED, sessions);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+ r = table_add_many(table,
+ TABLE_FIELD, "Devices",
+ TABLE_SET_MINIMUM_WIDTH, STRLEN("Sessions"), /* For alignment with show_sysfs */
+ TABLE_EMPTY);
+ if (r < 0)
+ return table_log_add_error(r);
+ }
+
+ printf("%s%s%s\n", ansi_highlight(), i.id, ansi_normal());
+
+ r = table_print(table, NULL);
+ if (r < 0)
+ return table_log_print_error(r);
+
+ if (arg_transport == BUS_TRANSPORT_LOCAL) {
+ unsigned c = columns();
+ if (c > 21)
+ c -= 21;
+
+ show_sysfs(i.id, strrepa(" ", STRLEN("Sessions:")), c, get_output_flags());
+ }
+
+ return 0;
+}
+
+static int print_property(const char *name, const char *expected_value, sd_bus_message *m, BusPrintPropertyFlags flags) {
+ char type;
+ const char *contents;
+ int r;
+
+ assert(name);
+ assert(m);
+
+ r = sd_bus_message_peek_type(m, &type, &contents);
+ if (r < 0)
+ return r;
+
+ switch (type) {
+
+ case SD_BUS_TYPE_STRUCT:
+
+ if (contents[0] == SD_BUS_TYPE_STRING && STR_IN_SET(name, "Display", "Seat", "ActiveSession")) {
+ const char *s;
+
+ r = sd_bus_message_read(m, "(so)", &s, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ bus_print_property_value(name, expected_value, flags, s);
+
+ return 1;
+
+ } else if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "User")) {
+ uint32_t uid;
+
+ r = sd_bus_message_read(m, "(uo)", &uid, NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!uid_is_valid(uid))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Invalid user ID: " UID_FMT,
+ uid);
+
+ bus_print_property_valuef(name, expected_value, flags, UID_FMT, uid);
+ return 1;
+ }
+ break;
+
+ case SD_BUS_TYPE_ARRAY:
+
+ if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Sessions")) {
+ const char *s;
+ bool space = false;
+
+ r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(so)");
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE))
+ printf("%s=", name);
+
+ while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) {
+ printf("%s%s", space ? " " : "", s);
+ space = true;
+ }
+
+ if (space || !FLAGS_SET(flags, BUS_PRINT_PROPERTY_ONLY_VALUE))
+ printf("\n");
+
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ r = sd_bus_message_exit_container(m);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 1;
+ }
+ break;
+ }
+
+ return 0;
+}
+
+static int show_properties(sd_bus *bus, const char *path) {
+ int r;
+
+ assert(bus);
+ assert(path);
+
+ r = bus_print_all_properties(
+ bus,
+ "org.freedesktop.login1",
+ path,
+ print_property,
+ arg_property,
+ arg_print_flags,
+ NULL);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ return 0;
+}
+
+static int get_bus_path_by_id(
+ sd_bus *bus,
+ const char *type,
+ const char *method,
+ const char *id,
+ char **ret) {
+
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ _cleanup_free_ char *p = NULL;
+ const char *path;
+ int r;
+
+ assert(bus);
+ assert(type);
+ assert(STR_IN_SET(type, "session", "seat"));
+ assert(method);
+ assert(id);
+ assert(ret);
+
+ r = bus_call_method(bus, bus_login_mgr, method, &error, &reply, "s", id);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get path for %s '%s': %s", type, id, bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ p = strdup(path);
+ if (!p)
+ return log_oom();
+
+ *ret = TAKE_PTR(p);
+ return 0;
+}
+
+static int show_session(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = ASSERT_PTR(userdata);
+ bool properties;
+ int r;
+
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_pager_flags);
+
+ if (argc <= 1) {
+ _cleanup_free_ char *path = NULL;
+
+ /* If no argument is specified inspect the manager itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1");
+
+ r = get_bus_path_by_id(bus, "session", "GetSession", "auto", &path);
+ if (r < 0)
+ return r;
+
+ return print_session_status_info(bus, path);
+ }
+
+ for (int i = 1, first = true; i < argc; i++, first = false) {
+ _cleanup_free_ char *path = NULL;
+
+ r = get_bus_path_by_id(bus, "session", "GetSession", argv[i], &path);
+ if (r < 0)
+ return r;
+
+ if (!first)
+ putchar('\n');
+
+ if (properties)
+ r = show_properties(bus, path);
+ else
+ r = print_session_status_info(bus, path);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int show_user(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = ASSERT_PTR(userdata);
+ bool properties;
+ int r;
+
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_pager_flags);
+
+ if (argc <= 1) {
+ /* If no argument is specified inspect the manager itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1");
+
+ return print_user_status_info(bus, "/org/freedesktop/login1/user/self");
+ }
+
+ for (int i = 1, first = true; i < argc; i++, first = false) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+ const char *path;
+ uid_t uid;
+
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+
+ r = bus_call_method(bus, bus_login_mgr, "GetUser", &error, &reply, "u", (uint32_t) uid);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get user: %s", bus_error_message(&error, r));
+
+ r = sd_bus_message_read(reply, "o", &path);
+ if (r < 0)
+ return bus_log_parse_error(r);
+
+ if (!first)
+ putchar('\n');
+
+ if (properties)
+ r = show_properties(bus, path);
+ else
+ r = print_user_status_info(bus, path);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int show_seat(int argc, char *argv[], void *userdata) {
+ sd_bus *bus = ASSERT_PTR(userdata);
+ bool properties;
+ int r;
+
+ assert(argv);
+
+ properties = !strstr(argv[0], "status");
+
+ pager_open(arg_pager_flags);
+
+ if (argc <= 1) {
+ _cleanup_free_ char *path = NULL;
+
+ /* If no argument is specified inspect the manager itself */
+ if (properties)
+ return show_properties(bus, "/org/freedesktop/login1");
+
+ r = get_bus_path_by_id(bus, "seat", "GetSeat", "auto", &path);
+ if (r < 0)
+ return r;
+
+ return print_seat_status_info(bus, path);
+ }
+
+ for (int i = 1, first = true; i < argc; i++, first = false) {
+ _cleanup_free_ char *path = NULL;
+
+ r = get_bus_path_by_id(bus, "seat", "GetSeat", argv[i], &path);
+ if (r < 0)
+ return r;
+
+ if (!first)
+ putchar('\n');
+
+ if (properties)
+ r = show_properties(bus, path);
+ else
+ r = print_seat_status_info(bus, path);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int activate(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ if (argc < 2) {
+ r = sd_bus_call_method(
+ bus,
+ "org.freedesktop.login1",
+ "/org/freedesktop/login1/session/auto",
+ "org.freedesktop.login1.Session",
+ streq(argv[0], "lock-session") ? "Lock" :
+ streq(argv[0], "unlock-session") ? "Unlock" :
+ streq(argv[0], "terminate-session") ? "Terminate" :
+ "Activate",
+ &error, NULL, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+
+ return 0;
+ }
+
+ for (int i = 1; i < argc; i++) {
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ streq(argv[0], "lock-session") ? "LockSession" :
+ streq(argv[0], "unlock-session") ? "UnlockSession" :
+ streq(argv[0], "terminate-session") ? "TerminateSession" :
+ "ActivateSession",
+ &error, NULL,
+ "s", argv[i]);
+ if (r < 0)
+ return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int kill_session(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ if (!arg_kill_whom)
+ arg_kill_whom = "all";
+
+ for (int i = 1; i < argc; i++) {
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ "KillSession",
+ &error, NULL,
+ "ssi", argv[i], arg_kill_whom, arg_signal);
+ if (r < 0)
+ return log_error_errno(r, "Could not kill session: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int enable_linger(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ char* short_argv[3];
+ bool b;
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ b = streq(argv[0], "enable-linger");
+
+ if (argc < 2) {
+ /* No argument? Let's use an empty user name,
+ * then logind will use our user. */
+
+ short_argv[0] = argv[0];
+ short_argv[1] = (char*) "";
+ short_argv[2] = NULL;
+ argv = short_argv;
+ argc = 2;
+ }
+
+ for (int i = 1; i < argc; i++) {
+ uid_t uid;
+
+ if (isempty(argv[i]))
+ uid = UID_INVALID;
+ else {
+ r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+ }
+
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ "SetUserLinger",
+ &error, NULL,
+ "ubb", (uint32_t) uid, b, true);
+ if (r < 0)
+ return log_error_errno(r, "Could not enable linger: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int terminate_user(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ for (int i = 1; i < argc; i++) {
+ uid_t uid;
+
+ if (isempty(argv[i]))
+ uid = getuid();
+ else {
+ const char *u = argv[i];
+
+ r = get_user_creds(&u, &uid, NULL, NULL, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+ }
+
+ r = bus_call_method(bus, bus_login_mgr, "TerminateUser", &error, NULL, "u", (uint32_t) uid);
+ if (r < 0)
+ return log_error_errno(r, "Could not terminate user: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int kill_user(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ if (!arg_kill_whom)
+ arg_kill_whom = "all";
+
+ for (int i = 1; i < argc; i++) {
+ uid_t uid;
+
+ if (isempty(argv[i]))
+ uid = getuid();
+ else {
+ const char *u = argv[i];
+
+ r = get_user_creds(&u, &uid, NULL, NULL, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to look up user %s: %m", argv[i]);
+ }
+
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ "KillUser",
+ &error, NULL,
+ "ui", (uint32_t) uid, arg_signal);
+ if (r < 0)
+ return log_error_errno(r, "Could not kill user: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int attach(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ for (int i = 2; i < argc; i++) {
+
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ "AttachDevice",
+ &error, NULL,
+ "ssb", argv[1], argv[i], true);
+ if (r < 0)
+ return log_error_errno(r, "Could not attach device: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int flush_devices(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ r = bus_call_method(bus, bus_login_mgr, "FlushDevices", &error, NULL, "b", true);
+ if (r < 0)
+ return log_error_errno(r, "Could not flush devices: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int lock_sessions(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ r = bus_call_method(
+ bus,
+ bus_login_mgr,
+ streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions",
+ &error, NULL,
+ NULL);
+ if (r < 0)
+ return log_error_errno(r, "Could not lock sessions: %s", bus_error_message(&error, r));
+
+ return 0;
+}
+
+static int terminate_seat(int argc, char *argv[], void *userdata) {
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+ sd_bus *bus = ASSERT_PTR(userdata);
+ int r;
+
+ assert(argv);
+
+ polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
+
+ for (int i = 1; i < argc; i++) {
+
+ r = bus_call_method(bus, bus_login_mgr, "TerminateSeat", &error, NULL, "s", argv[i]);
+ if (r < 0)
+ return log_error_errno(r, "Could not terminate seat: %s", bus_error_message(&error, r));
+ }
+
+ return 0;
+}
+
+static int help(int argc, char *argv[], void *userdata) {
+ _cleanup_free_ char *link = NULL;
+ int r;
+
+ pager_open(arg_pager_flags);
+
+ r = terminal_urlify_man("loginctl", "1", &link);
+ if (r < 0)
+ return log_oom();
+
+ printf("%1$s [OPTIONS...] COMMAND ...\n\n"
+ "%5$sSend control commands to or query the login manager.%6$s\n"
+ "\n%3$sSession Commands:%4$s\n"
+ " list-sessions List sessions\n"
+ " session-status [ID...] Show session status\n"
+ " show-session [ID...] Show properties of sessions or the manager\n"
+ " activate [ID] Activate a session\n"
+ " lock-session [ID...] Screen lock one or more sessions\n"
+ " unlock-session [ID...] Screen unlock one or more sessions\n"
+ " lock-sessions Screen lock all current sessions\n"
+ " unlock-sessions Screen unlock all current sessions\n"
+ " terminate-session ID... Terminate one or more sessions\n"
+ " kill-session ID... Send signal to processes of a session\n"
+ "\n%3$sUser Commands:%4$s\n"
+ " list-users List users\n"
+ " user-status [USER...] Show user status\n"
+ " show-user [USER...] Show properties of users or the manager\n"
+ " enable-linger [USER...] Enable linger state of one or more users\n"
+ " disable-linger [USER...] Disable linger state of one or more users\n"
+ " terminate-user USER... Terminate all sessions of one or more users\n"
+ " kill-user USER... Send signal to processes of a user\n"
+ "\n%3$sSeat Commands:%4$s\n"
+ " list-seats List seats\n"
+ " seat-status [NAME...] Show seat status\n"
+ " show-seat [NAME...] Show properties of seats or the manager\n"
+ " attach NAME DEVICE... Attach one or more devices to a seat\n"
+ " flush-devices Flush all device associations\n"
+ " terminate-seat NAME... Terminate all sessions on one or more seats\n"
+ "\n%3$sOptions:%4$s\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --no-pager Do not pipe output into a pager\n"
+ " --no-legend Do not show the headers and footers\n"
+ " --no-ask-password Don't prompt for password\n"
+ " -H --host=[USER@]HOST Operate on remote host\n"
+ " -M --machine=CONTAINER Operate on local container\n"
+ " -p --property=NAME Show only properties by this name\n"
+ " -P NAME Equivalent to --value --property=NAME\n"
+ " -a --all Show all properties, including empty ones\n"
+ " --value When showing properties, only print the value\n"
+ " -l --full Do not ellipsize output\n"
+ " --kill-whom=WHOM Whom to send signal to\n"
+ " -s --signal=SIGNAL Which signal to send\n"
+ " -n --lines=INTEGER Number of journal entries to show\n"
+ " -o --output=STRING Change journal output mode (short, short-precise,\n"
+ " short-iso, short-iso-precise, short-full,\n"
+ " short-monotonic, short-unix, short-delta,\n"
+ " json, json-pretty, json-sse, json-seq, cat,\n"
+ " verbose, export, with-unit)\n"
+ "\nSee the %2$s for details.\n",
+ program_invocation_short_name,
+ link,
+ ansi_underline(),
+ ansi_normal(),
+ ansi_highlight(),
+ ansi_normal());
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_VALUE,
+ ARG_NO_PAGER,
+ ARG_NO_LEGEND,
+ ARG_KILL_WHOM,
+ ARG_NO_ASK_PASSWORD,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "property", required_argument, NULL, 'p' },
+ { "all", no_argument, NULL, 'a' },
+ { "value", no_argument, NULL, ARG_VALUE },
+ { "full", no_argument, NULL, 'l' },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
+ { "kill-whom", required_argument, NULL, ARG_KILL_WHOM },
+ { "signal", required_argument, NULL, 's' },
+ { "host", required_argument, NULL, 'H' },
+ { "machine", required_argument, NULL, 'M' },
+ { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
+ { "lines", required_argument, NULL, 'n' },
+ { "output", required_argument, NULL, 'o' },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hp:P:als:H:M:n:o:", options, NULL)) >= 0)
+
+ switch (c) {
+
+ case 'h':
+ return help(0, NULL, NULL);
+
+ case ARG_VERSION:
+ return version();
+
+ case 'P':
+ SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
+ _fallthrough_;
+
+ case 'p': {
+ r = strv_extend(&arg_property, optarg);
+ if (r < 0)
+ return log_oom();
+
+ /* If the user asked for a particular
+ * property, show it to them, even if it is
+ * empty. */
+ SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
+ break;
+ }
+
+ case 'a':
+ SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
+ break;
+
+ case ARG_VALUE:
+ SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
+ break;
+
+ case 'l':
+ arg_full = true;
+ break;
+
+ case 'n':
+ if (safe_atou(optarg, &arg_lines) < 0)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "Failed to parse lines '%s'", optarg);
+ break;
+
+ case 'o':
+ if (streq(optarg, "help")) {
+ DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
+ return 0;
+ }
+
+ arg_output = output_mode_from_string(optarg);
+ if (arg_output < 0)
+ return log_error_errno(arg_output, "Unknown output '%s'.", optarg);
+
+ if (OUTPUT_MODE_IS_JSON(arg_output))
+ arg_legend = false;
+
+ break;
+
+ case ARG_NO_PAGER:
+ arg_pager_flags |= PAGER_DISABLE;
+ break;
+
+ case ARG_NO_LEGEND:
+ arg_legend = false;
+ break;
+
+ case ARG_NO_ASK_PASSWORD:
+ arg_ask_password = false;
+ break;
+
+ case ARG_KILL_WHOM:
+ arg_kill_whom = optarg;
+ break;
+
+ case 's':
+ r = parse_signal_argument(optarg, &arg_signal);
+ if (r <= 0)
+ return r;
+ break;
+
+ case 'H':
+ arg_transport = BUS_TRANSPORT_REMOTE;
+ arg_host = optarg;
+ break;
+
+ case 'M':
+ arg_transport = BUS_TRANSPORT_MACHINE;
+ arg_host = optarg;
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached();
+ }
+
+ return 1;
+}
+
+static int loginctl_main(int argc, char *argv[], sd_bus *bus) {
+ static const Verb verbs[] = {
+ { "help", VERB_ANY, VERB_ANY, 0, help },
+ { "list-sessions", VERB_ANY, 1, VERB_DEFAULT, list_sessions },
+ { "session-status", VERB_ANY, VERB_ANY, 0, show_session },
+ { "show-session", VERB_ANY, VERB_ANY, 0, show_session },
+ { "activate", VERB_ANY, 2, 0, activate },
+ { "lock-session", VERB_ANY, VERB_ANY, 0, activate },
+ { "unlock-session", VERB_ANY, VERB_ANY, 0, activate },
+ { "lock-sessions", VERB_ANY, 1, 0, lock_sessions },
+ { "unlock-sessions", VERB_ANY, 1, 0, lock_sessions },
+ { "terminate-session", 2, VERB_ANY, 0, activate },
+ { "kill-session", 2, VERB_ANY, 0, kill_session },
+ { "list-users", VERB_ANY, 1, 0, list_users },
+ { "user-status", VERB_ANY, VERB_ANY, 0, show_user },
+ { "show-user", VERB_ANY, VERB_ANY, 0, show_user },
+ { "enable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
+ { "disable-linger", VERB_ANY, VERB_ANY, 0, enable_linger },
+ { "terminate-user", 2, VERB_ANY, 0, terminate_user },
+ { "kill-user", 2, VERB_ANY, 0, kill_user },
+ { "list-seats", VERB_ANY, 1, 0, list_seats },
+ { "seat-status", VERB_ANY, VERB_ANY, 0, show_seat },
+ { "show-seat", VERB_ANY, VERB_ANY, 0, show_seat },
+ { "attach", 3, VERB_ANY, 0, attach },
+ { "flush-devices", VERB_ANY, 1, 0, flush_devices },
+ { "terminate-seat", 2, VERB_ANY, 0, terminate_seat },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, bus);
+}
+
+static int run(int argc, char *argv[]) {
+ _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
+ int r;
+
+ setlocale(LC_ALL, "");
+ log_setup();
+
+ /* The journal merging logic potentially needs a lot of fds. */
+ (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
+
+ sigbus_install();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ r = bus_connect_transport(arg_transport, arg_host, RUNTIME_SCOPE_SYSTEM, &bus);
+ if (r < 0)
+ return bus_log_connect_error(r, arg_transport);
+
+ (void) sd_bus_set_allow_interactive_authorization(bus, arg_ask_password);
+
+ return loginctl_main(argc, argv, bus);
+}
+
+DEFINE_MAIN_FUNCTION(run);
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 22:33:57 +0000