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loginctl.c
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loginctl.c
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/* 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 "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_who = 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);
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 get_session_path(sd_bus *bus, const char *session_id, sd_bus_error *error, char **path) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
int r;
char *ans;
r = bus_call_method(bus, bus_login_mgr, "GetSession", error, &reply, "s", session_id);
if (r < 0)
return r;
r = sd_bus_message_read(reply, "o", &ans);
if (r < 0)
return r;
ans = strdup(ans);
if (!ans)
return -ENOMEM;
*path = ans;
return 0;
}
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) {
_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 = userdata;
int r;
assert(bus);
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");
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);
for (;;) {
_cleanup_(sd_bus_error_free) sd_bus_error error_tty = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply_tty = NULL;
const char *id, *user, *seat, *object, *tty = NULL;
uint32_t uid;
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 = sd_bus_get_property(
bus,
"org.freedesktop.login1",
object,
"org.freedesktop.login1.Session",
"TTY",
&error_tty,
&reply_tty,
"s");
if (r < 0)
log_warning_errno(r, "Failed to get TTY for session %s: %s", id, bus_error_message(&error_tty, r));
else {
r = sd_bus_message_read(reply_tty, "s", &tty);
if (r < 0)
return bus_log_parse_error(r);
}
r = table_add_many(table,
TABLE_STRING, id,
TABLE_UID, (uid_t) uid,
TABLE_STRING, user,
TABLE_STRING, seat,
TABLE_STRING, strna(tty));
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) {
_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 = userdata;
int r;
assert(bus);
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");
if (!table)
return log_oom();
(void) table_set_align_percent(table, TABLE_HEADER_CELL(0), 100);
for (;;) {
const char *user;
uint32_t uid;
r = sd_bus_message_read(reply, "(uso)", &uid, &user, NULL);
if (r < 0)
return bus_log_parse_error(r);
if (r == 0)
break;
r = table_add_many(table,
TABLE_UID, (uid_t) uid,
TABLE_STRING, user);
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 = userdata;
int r;
assert(bus);
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();
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 *interface, const char *unit, pid_t leader) {
_cleanup_free_ char *cgroup = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
unsigned c;
int r;
assert(bus);
assert(unit);
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;
else
c = 0;
r = unit_show_processes(bus, unit, cgroup, "\t\t ", 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, "\t\t ", 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;
}
typedef struct SessionStatusInfo {
const char *id;
uid_t uid;
const char *name;
struct 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;
} SessionStatusInfo;
typedef struct UserStatusInfo {
uid_t uid;
bool linger;
const char *name;
struct 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_clear(UserStatusInfo *info) {
if (info) {
strv_free(info->sessions);
zero(*info);
}
}
static void seat_status_info_clear(SeatStatusInfo *info) {
if (info) {
strv_free(info->sessions);
zero(*info);
}
}
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;
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 print_session_status_info(sd_bus *bus, const char *path, bool *new_line) {
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) },
{ "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;
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));
if (*new_line)
printf("\n");
*new_line = true;
printf("%s - ", strna(i.id));
if (i.name)
printf("%s (%"PRIu32")\n", i.name, i.uid);
else
printf("%"PRIu32"\n", i.uid);
if (i.timestamp.realtime > 0 && i.timestamp.realtime < USEC_INFINITY)
printf("\t Since: %s; %s\n",
FORMAT_TIMESTAMP(i.timestamp.realtime),
FORMAT_TIMESTAMP_RELATIVE(i.timestamp.realtime));
if (i.leader > 0) {
_cleanup_free_ char *t = NULL;
printf("\t Leader: %"PRIu32, i.leader);
(void) get_process_comm(i.leader, &t);
if (t)
printf(" (%s)", t);
printf("\n");
}
if (!isempty(i.seat)) {
printf("\t Seat: %s", i.seat);
if (i.vtnr > 0)
printf("; vc%u", i.vtnr);
printf("\n");
}
if (i.tty)
printf("\t TTY: %s\n", i.tty);
else if (i.display)
printf("\t Display: %s\n", i.display);
if (i.remote_host && i.remote_user)
printf("\t Remote: %s@%s\n", i.remote_user, i.remote_host);
else if (i.remote_host)
printf("\t Remote: %s\n", i.remote_host);
else if (i.remote_user)
printf("\t Remote: user %s\n", i.remote_user);
else if (i.remote)
printf("\t Remote: Yes\n");
if (i.service) {
printf("\t Service: %s", i.service);
if (i.type)
printf("; type %s", i.type);
if (i.class)
printf("; class %s", i.class);
printf("\n");
} else if (i.type) {
printf("\t Type: %s", i.type);
if (i.class)
printf("; class %s", i.class);
printf("\n");
} else if (i.class)
printf("\t Class: %s\n", i.class);
if (!isempty(i.desktop))
printf("\t Desktop: %s\n", i.desktop);
if (i.state)
printf("\t State: %s\n", i.state);
if (i.scope) {
printf("\t Unit: %s\n", i.scope);
show_unit_cgroup(bus, "org.freedesktop.systemd1.Scope", i.scope, i.leader);
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, bool *new_line) {
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_clear) UserStatusInfo 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));
if (*new_line)
printf("\n");
*new_line = true;
if (i.name)
printf("%s (%"PRIu32")\n", i.name, i.uid);
else
printf("%"PRIu32"\n", i.uid);
if (i.timestamp.realtime > 0 && i.timestamp.realtime < USEC_INFINITY)
printf("\t Since: %s; %s\n",
FORMAT_TIMESTAMP(i.timestamp.realtime),
FORMAT_TIMESTAMP_RELATIVE(i.timestamp.realtime));
if (!isempty(i.state))
printf("\t State: %s\n", i.state);
if (!strv_isempty(i.sessions)) {
char **l;
printf("\tSessions:");
STRV_FOREACH(l, i.sessions)
printf(" %s%s",
streq_ptr(*l, i.display) ? "*" : "",
*l);
printf("\n");
}
printf("\t Linger: %s\n", yes_no(i.linger));
if (i.slice) {
printf("\t Unit: %s\n", i.slice);
show_unit_cgroup(bus, "org.freedesktop.systemd1.Slice", i.slice, 0);
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, bool *new_line) {
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_clear) SeatStatusInfo i = {};
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));
if (*new_line)
printf("\n");
*new_line = true;
printf("%s\n", strna(i.id));
if (!strv_isempty(i.sessions)) {
char **l;
printf("\tSessions:");
STRV_FOREACH(l, i.sessions) {
if (streq_ptr(*l, i.active_session))
printf(" *%s", *l);
else
printf(" %s", *l);
}
printf("\n");
}
if (arg_transport == BUS_TRANSPORT_LOCAL) {
unsigned c;
c = columns();
if (c > 21)
c -= 21;
else
c = 0;
printf("\t Devices:\n");
show_sysfs(i.id, "\t\t ", 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, bool *new_line) {
int r;
assert(bus);
assert(path);
assert(new_line);
if (*new_line)
printf("\n");
*new_line = true;
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 show_session(int argc, char *argv[], void *userdata) {
bool properties, new_line = false;
sd_bus *bus = userdata;
int r;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
assert(bus);
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", &new_line);
return print_session_status_info(bus, "/org/freedesktop/login1/session/auto", &new_line);
}
for (int i = 1; i < argc; i++) {
r = get_session_path(bus, argv[i], &error, &path);
if (r < 0)
return log_error_errno(r, "Failed to get session path: %s", bus_error_message(&error, r));
if (properties)
r = show_properties(bus, path, &new_line);
else
r = print_session_status_info(bus, path, &new_line);
if (r < 0)
return r;
}
return 0;
}
static int show_user(int argc, char *argv[], void *userdata) {
bool properties, new_line = false;
sd_bus *bus = userdata;
int r;
assert(bus);
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", &new_line);
return print_user_status_info(bus, "/org/freedesktop/login1/user/self", &new_line);
}
for (int i = 1; i < argc; i++) {
_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 = NULL;
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 = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"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 (properties)
r = show_properties(bus, path, &new_line);
else
r = print_user_status_info(bus, path, &new_line);
if (r < 0)
return r;
}
return 0;
}
static int show_seat(int argc, char *argv[], void *userdata) {
bool properties, new_line = false;
sd_bus *bus = userdata;
int r;
assert(bus);
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", &new_line);
return print_seat_status_info(bus, "/org/freedesktop/login1/seat/auto", &new_line);
}
for (int i = 1; i < argc; i++) {
_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 = NULL;
r = bus_call_method(bus, bus_login_mgr, "GetSeat", &error, &reply, "s", argv[i]);
if (r < 0)
return log_error_errno(r, "Failed to get seat: %s", bus_error_message(&error, r));
r = sd_bus_message_read(reply, "o", &path);
if (r < 0)
return bus_log_parse_error(r);
if (properties)
r = show_properties(bus, path, &new_line);
else
r = print_seat_status_info(bus, path, &new_line);
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 = userdata;
int r;
assert(bus);
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 = userdata;
int r;
assert(bus);
assert(argv);
polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
if (!arg_kill_who)
arg_kill_who = "all";
for (int i = 1; i < argc; i++) {