288 lines
10 KiB
C
288 lines
10 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <poll.h>
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#include <string.h>
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#include "sd-login.h"
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#include "alloc-util.h"
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#include "fd-util.h"
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#include "format-util.h"
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#include "log.h"
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#include "string-util.h"
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#include "strv.h"
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#include "util.h"
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static char* format_uids(char **buf, uid_t* uids, int count) {
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int pos = 0, k, inc;
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size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;
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assert_se(*buf = malloc(size));
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for (k = 0; k < count; k++) {
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sprintf(*buf + pos, "%s"UID_FMT"%n", k > 0 ? " " : "", uids[k], &inc);
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pos += inc;
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}
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assert_se(pos < (ssize_t)size);
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(*buf)[pos] = '\0';
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return *buf;
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}
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static void test_login(void) {
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_cleanup_close_pair_ int pair[2] = { -1, -1 };
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_cleanup_free_ char *pp = NULL, *qq = NULL,
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*display_session = NULL, *cgroup = NULL,
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*display = NULL, *remote_user = NULL, *remote_host = NULL,
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*type = NULL, *class = NULL, *state = NULL, *state2 = NULL,
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*seat = NULL, *session = NULL,
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*unit = NULL, *user_unit = NULL, *slice = NULL;
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int r;
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uid_t u, u2;
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char *t, **seats, **sessions;
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r = sd_pid_get_unit(0, &unit);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_pid_get_unit(0, …) → \"%s\"", strna(unit));
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r = sd_pid_get_user_unit(0, &user_unit);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_pid_get_user_unit(0, …) → \"%s\"", strna(user_unit));
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r = sd_pid_get_slice(0, &slice);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_pid_get_slice(0, …) → \"%s\"", strna(slice));
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r = sd_pid_get_session(0, &session);
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if (r < 0) {
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log_warning_errno(r, "sd_pid_get_session(0, …): %m");
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if (r == -ENODATA)
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log_info("Seems we are not running in a session, skipping some tests.");
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} else {
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log_info("sd_pid_get_session(0, …) → \"%s\"", session);
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assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
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log_info("sd_pid_get_owner_uid(0, …) → "UID_FMT, u2);
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assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
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log_info("sd_pid_get_cgroup(0, …) → \"%s\"", cgroup);
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r = sd_uid_get_display(u2, &display_session);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_uid_get_display("UID_FMT", …) → \"%s\"",
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u2, strnull(display_session));
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assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
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sd_peer_get_session(pair[0], &pp);
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sd_peer_get_session(pair[1], &qq);
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assert_se(streq_ptr(pp, qq));
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r = sd_uid_get_sessions(u2, false, &sessions);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(sessions));
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assert_se(t = strv_join(sessions, " "));
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strv_free(sessions);
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log_info("sd_uid_get_sessions("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
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free(t);
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assert_se(r == sd_uid_get_sessions(u2, false, NULL));
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r = sd_uid_get_seats(u2, false, &seats);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(seats));
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assert_se(t = strv_join(seats, " "));
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strv_free(seats);
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log_info("sd_uid_get_seats("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
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free(t);
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assert_se(r == sd_uid_get_seats(u2, false, NULL));
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}
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if (session) {
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r = sd_session_is_active(session);
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assert_se(r >= 0);
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log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
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r = sd_session_is_remote(session);
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assert_se(r >= 0);
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log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
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r = sd_session_get_state(session, &state);
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assert_se(r >= 0);
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log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
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assert_se(sd_session_get_uid(session, &u) >= 0);
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log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
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assert_se(u == u2);
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assert_se(sd_session_get_type(session, &type) >= 0);
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log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
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assert_se(sd_session_get_class(session, &class) >= 0);
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log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
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r = sd_session_get_display(session, &display);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
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r = sd_session_get_remote_user(session, &remote_user);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
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session, strna(remote_user));
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r = sd_session_get_remote_host(session, &remote_host);
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assert_se(r >= 0 || r == -ENODATA);
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log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
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session, strna(remote_host));
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r = sd_session_get_seat(session, &seat);
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if (r >= 0) {
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assert_se(seat);
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log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);
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r = sd_seat_can_multi_session(seat);
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assert_se(r >= 0);
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log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
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r = sd_seat_can_tty(seat);
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assert_se(r >= 0);
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log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));
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r = sd_seat_can_graphical(seat);
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assert_se(r >= 0);
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log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
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} else {
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log_info_errno(r, "sd_session_get_seat(\"%s\"): %m", session);
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assert_se(r == -ENODATA);
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}
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assert_se(sd_uid_get_state(u, &state2) >= 0);
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log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
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}
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if (seat) {
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_cleanup_free_ char *session2 = NULL, *buf = NULL;
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_cleanup_free_ uid_t *uids = NULL;
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unsigned n;
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assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
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r = sd_seat_get_active(seat, &session2, &u2);
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assert_se(r >= 0);
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log_info("sd_seat_get_active(\"%s\", …) → \"%s\", "UID_FMT, seat, session2, u2);
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r = sd_uid_is_on_seat(u, 1, seat);
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assert_se(r >= 0);
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assert_se(!!r == streq(session, session2));
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r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(sessions));
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assert_se(t = strv_join(sessions, " "));
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strv_free(sessions);
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log_info("sd_seat_get_sessions(\"%s\", …) → %i, \"%s\", [%i] {%s}",
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seat, r, t, n, format_uids(&buf, uids, n));
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free(t);
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assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
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}
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r = sd_get_seats(&seats);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(seats));
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assert_se(t = strv_join(seats, ", "));
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strv_free(seats);
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log_info("sd_get_seats(…) → [%i] \"%s\"", r, t);
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t = mfree(t);
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assert_se(sd_get_seats(NULL) == r);
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r = sd_seat_get_active(NULL, &t, NULL);
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assert_se(IN_SET(r, 0, -ENODATA));
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log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s", strnull(t));
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free(t);
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r = sd_get_sessions(&sessions);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(sessions));
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assert_se(t = strv_join(sessions, ", "));
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strv_free(sessions);
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log_info("sd_get_sessions(…) → [%i] \"%s\"", r, t);
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free(t);
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assert_se(sd_get_sessions(NULL) == r);
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{
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_cleanup_free_ uid_t *uids = NULL;
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_cleanup_free_ char *buf = NULL;
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r = sd_get_uids(&uids);
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assert_se(r >= 0);
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log_info("sd_get_uids(…) → [%i] {%s}", r, format_uids(&buf, uids, r));
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assert_se(sd_get_uids(NULL) == r);
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}
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{
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_cleanup_strv_free_ char **machines = NULL;
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_cleanup_free_ char *buf = NULL;
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r = sd_get_machine_names(&machines);
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assert_se(r >= 0);
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assert_se(r == (int) strv_length(machines));
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assert_se(buf = strv_join(machines, " "));
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log_info("sd_get_machines(…) → [%i] \"%s\"", r, buf);
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assert_se(sd_get_machine_names(NULL) == r);
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}
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}
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static void test_monitor(void) {
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sd_login_monitor *m = NULL;
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unsigned n;
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int r;
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r = sd_login_monitor_new("session", &m);
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assert_se(r >= 0);
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for (n = 0; n < 5; n++) {
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struct pollfd pollfd = {};
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usec_t timeout, nw;
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assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
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assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);
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assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
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nw = now(CLOCK_MONOTONIC);
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r = poll(&pollfd, 1,
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timeout == (uint64_t) -1 ? -1 :
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timeout > nw ? (int) ((timeout - nw) / 1000) :
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0);
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assert_se(r >= 0);
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sd_login_monitor_flush(m);
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printf("Wake!\n");
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}
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sd_login_monitor_unref(m);
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}
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int main(int argc, char* argv[]) {
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log_parse_environment();
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log_open();
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log_info("/* Information printed is from the live system */");
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test_login();
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if (streq_ptr(argv[1], "-m"))
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test_monitor();
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return 0;
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}
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