[thirdparty/systemd.git] / src / libsystemd / sd-login / test-login.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <poll.h>
#include <sys/socket.h>

#include "sd-login.h"

#include "alloc-util.h"
#include "argv-util.h"
#include "errno-list.h"
#include "fd-util.h"
#include "format-util.h"
#include "log.h"
#include "pidfd-util.h"
#include "process-util.h"
#include "string-util.h"
#include "strv.h"
#include "tests.h"
#include "time-util.h"
#include "user-util.h"

static char* format_uids(char **buf, uid_t* uids, int count) {
        int pos = 0, inc;
        size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;

        assert_se(*buf = malloc(size));

        for (int k = 0; k < count; k++) {
                sprintf(*buf + pos, "%s"UID_FMT"%n", k > 0 ? " " : "", uids[k], &inc);
                pos += inc;
        }

        assert_se(pos < (ssize_t)size);
        (*buf)[pos] = '\0';

        return *buf;
}

static const char *e(int r) {
        return r == 0 ? "OK" : errno_to_name(r);
}

TEST(login) {
        _cleanup_close_pair_ int pair[2] = EBADF_PAIR;
        _cleanup_free_ char *pp = NULL, *qq = NULL,
                *display_session = NULL, *cgroup = NULL,
                *display = NULL, *remote_user = NULL, *remote_host = NULL,
                *type = NULL, *class = NULL, *state = NULL, *state2 = NULL,
                *seat = NULL, *session = NULL,
                *unit = NULL, *user_unit = NULL, *slice = NULL;
        _cleanup_close_ int pidfd = -EBADF;
        int r;
        uid_t u, u2 = UID_INVALID;
        char *t, **seats = NULL, **sessions = NULL;

        r = sd_pid_get_unit(0, &unit);
        log_info("sd_pid_get_unit(0, …) → %s / \"%s\"", e(r), strnull(unit));
        assert_se(IN_SET(r, 0, -ENODATA));

        r = sd_pid_get_user_unit(0, &user_unit);
        log_info("sd_pid_get_user_unit(0, …) → %s / \"%s\"", e(r), strnull(user_unit));
        assert_se(IN_SET(r, 0, -ENODATA));

        r = sd_pid_get_slice(0, &slice);
        log_info("sd_pid_get_slice(0, …) → %s / \"%s\"", e(r), strnull(slice));
        assert_se(IN_SET(r, 0, -ENODATA));

        r = sd_pid_get_owner_uid(0, &u2);
        log_info("sd_pid_get_owner_uid(0, …) → %s / "UID_FMT, e(r), u2);
        assert_se(IN_SET(r, 0, -ENODATA));

        r = sd_pid_get_session(0, &session);
        log_info("sd_pid_get_session(0, …) → %s / \"%s\"", e(r), strnull(session));

        r = sd_pid_get_cgroup(0, &cgroup);
        log_info("sd_pid_get_cgroup(0, …) → %s / \"%s\"", e(r), strnull(cgroup));
        assert_se(IN_SET(r, 0, -ENOMEDIUM));

        pidfd = pidfd_open(getpid_cached(), 0);
        if (pidfd >= 0) {
                _cleanup_free_ char *cgroup2 = NULL, *session2 = NULL,
                        *unit2 = NULL, *user_unit2 = NULL, *slice2 = NULL;

                r = sd_pidfd_get_unit(pidfd, &unit2);
                log_info("sd_pidfd_get_unit(pidfd, …) → %s / \"%s\"", e(r), strnull(unit2));
                assert_se(IN_SET(r, 0, -ENODATA));

                r = sd_pidfd_get_user_unit(pidfd, &user_unit2);
                log_info("sd_pidfd_get_user_unit(pidfd, …) → %s / \"%s\"", e(r), strnull(user_unit2));
                assert_se(IN_SET(r, 0, -ENODATA));

                r = sd_pidfd_get_slice(pidfd, &slice2);
                log_info("sd_pidfd_get_slice(pidfd, …) → %s / \"%s\"", e(r), strnull(slice2));
                assert_se(IN_SET(r, 0, -ENODATA));

                r = sd_pidfd_get_owner_uid(pidfd, &u2);
                log_info("sd_pidfd_get_owner_uid(pidfd, …) → %s / "UID_FMT, e(r), u2);
                assert_se(IN_SET(r, 0, -ENODATA));

                r = sd_pidfd_get_session(pidfd, &session2);
                log_info("sd_pidfd_get_session(pidfd, …) → %s / \"%s\"", e(r), strnull(session2));

                r = sd_pidfd_get_cgroup(pidfd, &cgroup2);
                log_info("sd_pidfd_get_cgroup(pidfd, …) → %s / \"%s\"", e(r), strnull(cgroup2));
                assert_se(IN_SET(r, 0, -ENOMEDIUM));
        }

        r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_display(u2, &display_session));
        log_info("sd_uid_get_display("UID_FMT", …) → %s / \"%s\"", u2, e(r), strnull(display_session));
        if (u2 == UID_INVALID)
                assert_se(r == -EINVAL);
        else
                assert_se(IN_SET(r, 0, -ENODATA));

        assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
        sd_peer_get_session(pair[0], &pp);
        sd_peer_get_session(pair[1], &qq);
        assert_se(streq_ptr(pp, qq));

        r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_sessions(u2, false, &sessions));
        assert_se(t = strv_join(sessions, " "));
        log_info("sd_uid_get_sessions("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
        if (u2 == UID_INVALID)
                assert_se(r == -EINVAL);
        else {
                assert_se(r >= 0);
                assert_se(r == (int) strv_length(sessions));
        }
        sessions = strv_free(sessions);
        free(t);

        assert_se(r == ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_sessions(u2, false, NULL)));

        r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_seats(u2, false, &seats));
        assert_se(t = strv_join(seats, " "));
        log_info("sd_uid_get_seats("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
        if (u2 == UID_INVALID)
                assert_se(r == -EINVAL);
        else {
                assert_se(r >= 0);
                assert_se(r == (int) strv_length(seats));
        }
        seats = strv_free(seats);
        free(t);

        assert_se(r == ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_seats(u2, false, NULL)));

        if (session) {
                r = sd_session_is_active(session);
                if (r == -ENXIO)
                        log_notice("sd_session_is_active() failed with ENXIO, it seems logind is not running.");
                else {
                        /* All those tests will fail with ENXIO, so let's skip them. */

                        assert_se(r >= 0);
                        log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));

                        r = sd_session_is_remote(session);
                        assert_se(r >= 0);
                        log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));

                        r = sd_session_get_state(session, &state);
                        assert_se(r == 0);
                        log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);

                        assert_se(sd_session_get_uid(session, &u) >= 0);
                        log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
                        assert_se(u == u2);

                        assert_se(sd_session_get_type(session, &type) >= 0);
                        log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);

                        assert_se(sd_session_get_class(session, &class) >= 0);
                        log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);

                        r = sd_session_get_display(session, &display);
                        assert_se(IN_SET(r, 0, -ENODATA));
                        log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));

                        r = sd_session_get_remote_user(session, &remote_user);
                        assert_se(IN_SET(r, 0, -ENODATA));
                        log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
                                 session, strna(remote_user));

                        r = sd_session_get_remote_host(session, &remote_host);
                        assert_se(IN_SET(r, 0, -ENODATA));
                        log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
                                 session, strna(remote_host));

                        r = sd_session_get_seat(session, &seat);
                        if (r >= 0) {
                                assert_se(seat);

                                log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
                                r = sd_seat_can_multi_session(seat);
#pragma GCC diagnostic pop
                                assert_se(r == 1);
                                log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));

                                r = sd_seat_can_tty(seat);
                                assert_se(r >= 0);
                                log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));

                                r = sd_seat_can_graphical(seat);
                                assert_se(r >= 0);
                                log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
                        } else {
                                log_info_errno(r, "sd_session_get_seat(\"%s\"): %m", session);
                                assert_se(r == -ENODATA);
                        }

                        assert_se(sd_uid_get_state(u, &state2) == 0);
                        log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
                }
        }

        if (seat) {
                _cleanup_free_ char *session2 = NULL, *buf = NULL;
                _cleanup_free_ uid_t *uids = NULL;
                unsigned n;

                assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);

                r = sd_seat_get_active(seat, &session2, &u2);
                assert_se(r == 0);
                log_info("sd_seat_get_active(\"%s\", …) → \"%s\", "UID_FMT, seat, session2, u2);

                r = sd_uid_is_on_seat(u, 1, seat);
                assert_se(IN_SET(r, 0, 1));
                assert_se(!!r == streq(session, session2));

                r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
                assert_se(r >= 0);
                assert_se(r == (int) strv_length(sessions));
                assert_se(t = strv_join(sessions, " "));
                strv_free(sessions);
                log_info("sd_seat_get_sessions(\"%s\", …) → %s, \"%s\", [%u] {%s}",
                         seat, e(r), t, n, format_uids(&buf, uids, n));
                free(t);

                assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
        }

        r = sd_get_seats(&seats);
        assert_se(r >= 0);
        assert_se(r == (int) strv_length(seats));
        assert_se(t = strv_join(seats, ", "));
        strv_free(seats);
        log_info("sd_get_seats(…) → [%i] \"%s\"", r, t);
        t = mfree(t);

        assert_se(sd_get_seats(NULL) == r);

        r = sd_seat_get_active(NULL, &t, NULL);
        assert_se(IN_SET(r, 0, -ENODATA, -ENXIO));
        log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s / \"%s\"", e(r), strnull(t));
        free(t);

        r = sd_get_sessions(&sessions);
        assert_se(r >= 0);
        assert_se(r == (int) strv_length(sessions));
        assert_se(t = strv_join(sessions, ", "));
        strv_free(sessions);
        log_info("sd_get_sessions(…) → [%i] \"%s\"", r, t);
        free(t);

        assert_se(sd_get_sessions(NULL) == r);

        {
                _cleanup_free_ uid_t *uids = NULL;
                _cleanup_free_ char *buf = NULL;

                r = sd_get_uids(&uids);
                assert_se(r >= 0);
                log_info("sd_get_uids(…) → [%i] {%s}", r, format_uids(&buf, uids, r));

                assert_se(sd_get_uids(NULL) == r);
        }

        {
                _cleanup_strv_free_ char **machines = NULL;
                _cleanup_free_ char *buf = NULL;

                r = sd_get_machine_names(&machines);
                assert_se(r >= 0);
                assert_se(r == (int) strv_length(machines));
                assert_se(buf = strv_join(machines, " "));
                log_info("sd_get_machines(…) → [%i] \"%s\"", r, buf);

                assert_se(sd_get_machine_names(NULL) == r);
        }
}

TEST(monitor) {
        sd_login_monitor *m = NULL;
        int r;

        if (!streq_ptr(saved_argv[1], "-m"))
                return;

        assert_se(sd_login_monitor_new("session", &m) == 0);

        for (unsigned n = 0; n < 5; n++) {
                struct pollfd pollfd = {};
                usec_t timeout, nw;

                assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
                assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);

                assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);

                nw = now(CLOCK_MONOTONIC);

                r = poll(&pollfd, 1,
                         timeout == UINT64_MAX ? -1 :
                         timeout > nw ? (int) ((timeout - nw) / 1000) :
                         0);

                assert_se(r >= 0);

                sd_login_monitor_flush(m);
                printf("Wake!\n");
        }

        sd_login_monitor_unref(m);
}

static int intro(void) {
        if (IN_SET(cg_unified(), -ENOENT, -ENOMEDIUM))
                return log_tests_skipped("cgroupfs is not mounted");

        log_info("/* Information printed is from the live system */");
        return EXIT_SUCCESS;
}

DEFINE_TEST_MAIN_WITH_INTRO(LOG_INFO, intro);
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2
	3	#include <poll.h>
	4	#include <sys/socket.h>
	5
	6	#include "sd-login.h"
	7
	8	#include "alloc-util.h"
	9	#include "argv-util.h"
	10	#include "errno-list.h"
	11	#include "fd-util.h"
	12	#include "format-util.h"
	13	#include "log.h"
	14	#include "pidfd-util.h"
	15	#include "process-util.h"
	16	#include "string-util.h"
	17	#include "strv.h"
	18	#include "tests.h"
	19	#include "time-util.h"
	20	#include "user-util.h"
	21
	22	static char* format_uids(char *buf, uid_t uids, int count) {
	23	int pos = 0, inc;
	24	size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;
	25
	26	assert_se(*buf = malloc(size));
	27
	28	for (int k = 0; k < count; k++) {
	29	sprintf(*buf + pos, "%s"UID_FMT"%n", k > 0 ? " " : "", uids[k], &inc);
	30	pos += inc;
	31	}
	32
	33	assert_se(pos < (ssize_t)size);
	34	(*buf)[pos] = '\0';
	35
	36	return *buf;
	37	}
	38
	39	static const char *e(int r) {
	40	return r == 0 ? "OK" : errno_to_name(r);
	41	}
	42
	43	TEST(login) {
	44	_cleanup_close_pair_ int pair[2] = EBADF_PAIR;
	45	_cleanup_free_ char pp = NULL, qq = NULL,
	46	display_session = NULL, cgroup = NULL,
	47	display = NULL, remote_user = NULL, *remote_host = NULL,
	48	type = NULL, class = NULL, state = NULL, state2 = NULL,
	49	seat = NULL, session = NULL,
	50	unit = NULL, user_unit = NULL, *slice = NULL;
	51	_cleanup_close_ int pidfd = -EBADF;
	52	int r;
	53	uid_t u, u2 = UID_INVALID;
	54	char t, seats = NULL, *sessions = NULL;
	55
	56	r = sd_pid_get_unit(0, &unit);
	57	log_info("sd_pid_get_unit(0, …) → %s / \"%s\"", e(r), strnull(unit));
	58	assert_se(IN_SET(r, 0, -ENODATA));
	59
	60	r = sd_pid_get_user_unit(0, &user_unit);
	61	log_info("sd_pid_get_user_unit(0, …) → %s / \"%s\"", e(r), strnull(user_unit));
	62	assert_se(IN_SET(r, 0, -ENODATA));
	63
	64	r = sd_pid_get_slice(0, &slice);
	65	log_info("sd_pid_get_slice(0, …) → %s / \"%s\"", e(r), strnull(slice));
	66	assert_se(IN_SET(r, 0, -ENODATA));
	67
	68	r = sd_pid_get_owner_uid(0, &u2);
	69	log_info("sd_pid_get_owner_uid(0, …) → %s / "UID_FMT, e(r), u2);
	70	assert_se(IN_SET(r, 0, -ENODATA));
	71
	72	r = sd_pid_get_session(0, &session);
	73	log_info("sd_pid_get_session(0, …) → %s / \"%s\"", e(r), strnull(session));
	74
	75	r = sd_pid_get_cgroup(0, &cgroup);
	76	log_info("sd_pid_get_cgroup(0, …) → %s / \"%s\"", e(r), strnull(cgroup));
	77	assert_se(IN_SET(r, 0, -ENOMEDIUM));
	78
	79	pidfd = pidfd_open(getpid_cached(), 0);
	80	if (pidfd >= 0) {
	81	_cleanup_free_ char cgroup2 = NULL, session2 = NULL,
	82	unit2 = NULL, user_unit2 = NULL, *slice2 = NULL;
	83
	84	r = sd_pidfd_get_unit(pidfd, &unit2);
	85	log_info("sd_pidfd_get_unit(pidfd, …) → %s / \"%s\"", e(r), strnull(unit2));
	86	assert_se(IN_SET(r, 0, -ENODATA));
	87
	88	r = sd_pidfd_get_user_unit(pidfd, &user_unit2);
	89	log_info("sd_pidfd_get_user_unit(pidfd, …) → %s / \"%s\"", e(r), strnull(user_unit2));
	90	assert_se(IN_SET(r, 0, -ENODATA));
	91
	92	r = sd_pidfd_get_slice(pidfd, &slice2);
	93	log_info("sd_pidfd_get_slice(pidfd, …) → %s / \"%s\"", e(r), strnull(slice2));
	94	assert_se(IN_SET(r, 0, -ENODATA));
	95
	96	r = sd_pidfd_get_owner_uid(pidfd, &u2);
	97	log_info("sd_pidfd_get_owner_uid(pidfd, …) → %s / "UID_FMT, e(r), u2);
	98	assert_se(IN_SET(r, 0, -ENODATA));
	99
	100	r = sd_pidfd_get_session(pidfd, &session2);
	101	log_info("sd_pidfd_get_session(pidfd, …) → %s / \"%s\"", e(r), strnull(session2));
	102
	103	r = sd_pidfd_get_cgroup(pidfd, &cgroup2);
	104	log_info("sd_pidfd_get_cgroup(pidfd, …) → %s / \"%s\"", e(r), strnull(cgroup2));
	105	assert_se(IN_SET(r, 0, -ENOMEDIUM));
	106	}
	107
	108	r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_display(u2, &display_session));
	109	log_info("sd_uid_get_display("UID_FMT", …) → %s / \"%s\"", u2, e(r), strnull(display_session));
	110	if (u2 == UID_INVALID)
	111	assert_se(r == -EINVAL);
	112	else
	113	assert_se(IN_SET(r, 0, -ENODATA));
	114
	115	assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
	116	sd_peer_get_session(pair[0], &pp);
	117	sd_peer_get_session(pair[1], &qq);
	118	assert_se(streq_ptr(pp, qq));
	119
	120	r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_sessions(u2, false, &sessions));
	121	assert_se(t = strv_join(sessions, " "));
	122	log_info("sd_uid_get_sessions("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
	123	if (u2 == UID_INVALID)
	124	assert_se(r == -EINVAL);
	125	else {
	126	assert_se(r >= 0);
	127	assert_se(r == (int) strv_length(sessions));
	128	}
	129	sessions = strv_free(sessions);
	130	free(t);
	131
	132	assert_se(r == ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_sessions(u2, false, NULL)));
	133
	134	r = ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_seats(u2, false, &seats));
	135	assert_se(t = strv_join(seats, " "));
	136	log_info("sd_uid_get_seats("UID_FMT", …) → %s \"%s\"", u2, e(r), t);
	137	if (u2 == UID_INVALID)
	138	assert_se(r == -EINVAL);
	139	else {
	140	assert_se(r >= 0);
	141	assert_se(r == (int) strv_length(seats));
	142	}
	143	seats = strv_free(seats);
	144	free(t);
	145
	146	assert_se(r == ASSERT_RETURN_IS_CRITICAL(uid_is_valid(u2), sd_uid_get_seats(u2, false, NULL)));
	147
	148	if (session) {
	149	r = sd_session_is_active(session);
	150	if (r == -ENXIO)
	151	log_notice("sd_session_is_active() failed with ENXIO, it seems logind is not running.");
	152	else {
	153	/* All those tests will fail with ENXIO, so let's skip them. */
	154
	155	assert_se(r >= 0);
	156	log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
	157
	158	r = sd_session_is_remote(session);
	159	assert_se(r >= 0);
	160	log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
	161
	162	r = sd_session_get_state(session, &state);
	163	assert_se(r == 0);
	164	log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
	165
	166	assert_se(sd_session_get_uid(session, &u) >= 0);
	167	log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
	168	assert_se(u == u2);
	169
	170	assert_se(sd_session_get_type(session, &type) >= 0);
	171	log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
	172
	173	assert_se(sd_session_get_class(session, &class) >= 0);
	174	log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
	175
	176	r = sd_session_get_display(session, &display);
	177	assert_se(IN_SET(r, 0, -ENODATA));
	178	log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
	179
	180	r = sd_session_get_remote_user(session, &remote_user);
	181	assert_se(IN_SET(r, 0, -ENODATA));
	182	log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
	183	session, strna(remote_user));
	184
	185	r = sd_session_get_remote_host(session, &remote_host);
	186	assert_se(IN_SET(r, 0, -ENODATA));
	187	log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
	188	session, strna(remote_host));
	189
	190	r = sd_session_get_seat(session, &seat);
	191	if (r >= 0) {
	192	assert_se(seat);
	193
	194	log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);
	195
	196	#pragma GCC diagnostic push
	197	#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
	198	r = sd_seat_can_multi_session(seat);
	199	#pragma GCC diagnostic pop
	200	assert_se(r == 1);
	201	log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
	202
	203	r = sd_seat_can_tty(seat);
	204	assert_se(r >= 0);
	205	log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));
	206
	207	r = sd_seat_can_graphical(seat);
	208	assert_se(r >= 0);
	209	log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
	210	} else {
	211	log_info_errno(r, "sd_session_get_seat(\"%s\"): %m", session);
	212	assert_se(r == -ENODATA);
	213	}
	214
	215	assert_se(sd_uid_get_state(u, &state2) == 0);
	216	log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
	217	}
	218	}
	219
	220	if (seat) {
	221	_cleanup_free_ char session2 = NULL, buf = NULL;
	222	_cleanup_free_ uid_t *uids = NULL;
	223	unsigned n;
	224
	225	assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
	226
	227	r = sd_seat_get_active(seat, &session2, &u2);
	228	assert_se(r == 0);
	229	log_info("sd_seat_get_active(\"%s\", …) → \"%s\", "UID_FMT, seat, session2, u2);
	230
	231	r = sd_uid_is_on_seat(u, 1, seat);
	232	assert_se(IN_SET(r, 0, 1));
	233	assert_se(!!r == streq(session, session2));
	234
	235	r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
	236	assert_se(r >= 0);
	237	assert_se(r == (int) strv_length(sessions));
	238	assert_se(t = strv_join(sessions, " "));
	239	strv_free(sessions);
	240	log_info("sd_seat_get_sessions(\"%s\", …) → %s, \"%s\", [%u] {%s}",
	241	seat, e(r), t, n, format_uids(&buf, uids, n));
	242	free(t);
	243
	244	assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
	245	}
	246
	247	r = sd_get_seats(&seats);
	248	assert_se(r >= 0);
	249	assert_se(r == (int) strv_length(seats));
	250	assert_se(t = strv_join(seats, ", "));
	251	strv_free(seats);
	252	log_info("sd_get_seats(…) → [%i] \"%s\"", r, t);
	253	t = mfree(t);
	254
	255	assert_se(sd_get_seats(NULL) == r);
	256
	257	r = sd_seat_get_active(NULL, &t, NULL);
	258	assert_se(IN_SET(r, 0, -ENODATA, -ENXIO));
	259	log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s / \"%s\"", e(r), strnull(t));
	260	free(t);
	261
	262	r = sd_get_sessions(&sessions);
	263	assert_se(r >= 0);
	264	assert_se(r == (int) strv_length(sessions));
	265	assert_se(t = strv_join(sessions, ", "));
	266	strv_free(sessions);
	267	log_info("sd_get_sessions(…) → [%i] \"%s\"", r, t);
	268	free(t);
	269
	270	assert_se(sd_get_sessions(NULL) == r);
	271
	272	{
	273	_cleanup_free_ uid_t *uids = NULL;
	274	_cleanup_free_ char *buf = NULL;
	275
	276	r = sd_get_uids(&uids);
	277	assert_se(r >= 0);
	278	log_info("sd_get_uids(…) → [%i] {%s}", r, format_uids(&buf, uids, r));
	279
	280	assert_se(sd_get_uids(NULL) == r);
	281	}
	282
	283	{
	284	_cleanup_strv_free_ char **machines = NULL;
	285	_cleanup_free_ char *buf = NULL;
	286
	287	r = sd_get_machine_names(&machines);
	288	assert_se(r >= 0);
	289	assert_se(r == (int) strv_length(machines));
	290	assert_se(buf = strv_join(machines, " "));
	291	log_info("sd_get_machines(…) → [%i] \"%s\"", r, buf);
	292
	293	assert_se(sd_get_machine_names(NULL) == r);
	294	}
	295	}
	296
	297	TEST(monitor) {
	298	sd_login_monitor *m = NULL;
	299	int r;
	300
	301	if (!streq_ptr(saved_argv[1], "-m"))
	302	return;
	303
	304	assert_se(sd_login_monitor_new("session", &m) == 0);
	305
	306	for (unsigned n = 0; n < 5; n++) {
	307	struct pollfd pollfd = {};
	308	usec_t timeout, nw;
	309
	310	assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
	311	assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);
	312
	313	assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
	314
	315	nw = now(CLOCK_MONOTONIC);
	316
	317	r = poll(&pollfd, 1,
	318	timeout == UINT64_MAX ? -1 :
	319	timeout > nw ? (int) ((timeout - nw) / 1000) :
	320	0);
	321
	322	assert_se(r >= 0);
	323
	324	sd_login_monitor_flush(m);
	325	printf("Wake!\n");
	326	}
	327
	328	sd_login_monitor_unref(m);
	329	}
	330
	331	static int intro(void) {
	332	if (IN_SET(cg_unified(), -ENOENT, -ENOMEDIUM))
	333	return log_tests_skipped("cgroupfs is not mounted");
	334
	335	log_info("/* Information printed is from the live system */");
	336	return EXIT_SUCCESS;
	337	}
	338
	339	DEFINE_TEST_MAIN_WITH_INTRO(LOG_INFO, intro);