+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
- Copyright 2011 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <poll.h>
#include "alloc-util.h"
#include "fd-util.h"
-#include "formats-util.h"
+#include "format-util.h"
+#include "log.h"
#include "string-util.h"
#include "strv.h"
#include "util.h"
+/// Additional includes needed by elogind
+#include "musl_missing.h"
+static char* format_uids(char **buf, uid_t* uids, int count) {
+ int pos = 0, k, inc;
+ size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;
+
+ assert_se(*buf = malloc(size));
+
+ for (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 void test_login(void) {
_cleanup_close_pair_ int pair[2] = { -1, -1 };
- _cleanup_free_ char *pp = NULL, *qq = NULL;
- int r, k;
+ _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;
+ int r;
uid_t u, u2;
- char *seat, *type, *class, *display, *remote_user, *remote_host, *display_session, *cgroup;
- char *session;
- char *state;
- char *session2;
- char *t;
- char **seats, **sessions, **machines;
- uid_t *uids;
- unsigned n;
- struct pollfd pollfd;
- sd_login_monitor *m = NULL;
-
- assert_se(sd_pid_get_session(0, &session) == 0);
- printf("session = %s\n", session);
+ char *t, **seats, **sessions;
- assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
- printf("user = "UID_FMT"\n", u2);
+#if 0 /// elogind does not support systemd units
+ r = sd_pid_get_unit(0, &unit);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_pid_get_unit(0, …) → \"%s\"", strna(unit));
- assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
- printf("cgroup = %s\n", cgroup);
- free(cgroup);
+ r = sd_pid_get_user_unit(0, &user_unit);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_pid_get_user_unit(0, …) → \"%s\"", strna(user_unit));
+#endif // 0
- display_session = NULL;
- r = sd_uid_get_display(u2, &display_session);
+ r = sd_pid_get_slice(0, &slice);
assert_se(r >= 0 || r == -ENODATA);
- printf("user's display session = %s\n", strna(display_session));
- free(display_session);
+ log_info("sd_pid_get_slice(0, …) → \"%s\"", strna(slice));
- 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 = sd_pid_get_session(0, &session);
+ if (r < 0) {
+ log_warning_errno(r, "sd_pid_get_session(0, …): %m");
+ if (r == -ENODATA)
+ log_info("Seems we are not running in a session, skipping some tests.");
+ } else {
+ log_info("sd_pid_get_session(0, …) → \"%s\"", session);
- r = sd_uid_get_sessions(u2, false, &sessions);
- assert_se(r >= 0);
- assert_se(r == (int) strv_length(sessions));
- assert_se(t = strv_join(sessions, ", "));
- strv_free(sessions);
- printf("sessions = %s\n", t);
- free(t);
+ assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
+ log_info("sd_pid_get_owner_uid(0, …) → "UID_FMT, u2);
- assert_se(r == sd_uid_get_sessions(u2, false, NULL));
+ assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
+ log_info("sd_pid_get_cgroup(0, …) → \"%s\"", cgroup);
- r = sd_uid_get_seats(u2, false, &seats);
- assert_se(r >= 0);
- assert_se(r == (int) strv_length(seats));
- assert_se(t = strv_join(seats, ", "));
- strv_free(seats);
- printf("seats = %s\n", t);
- free(t);
+ r = sd_uid_get_display(u2, &display_session);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_uid_get_display("UID_FMT", …) → \"%s\"",
+ u2, strnull(display_session));
- assert_se(r == sd_uid_get_seats(u2, false, NULL));
+ 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 = sd_session_is_active(session);
- assert_se(r >= 0);
- printf("active = %s\n", yes_no(r));
+ r = sd_uid_get_sessions(u2, false, &sessions);
+ assert_se(r >= 0);
+ assert_se(r == (int) strv_length(sessions));
+ assert_se(t = strv_join(sessions, " "));
+ strv_free(sessions);
+ log_info("sd_uid_get_sessions("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
+ free(t);
- r = sd_session_is_remote(session);
- assert_se(r >= 0);
- printf("remote = %s\n", yes_no(r));
+ assert_se(r == sd_uid_get_sessions(u2, false, NULL));
- r = sd_session_get_state(session, &state);
- assert_se(r >= 0);
- printf("state = %s\n", state);
- free(state);
+ r = sd_uid_get_seats(u2, false, &seats);
+ assert_se(r >= 0);
+ assert_se(r == (int) strv_length(seats));
+ assert_se(t = strv_join(seats, " "));
+ strv_free(seats);
+ log_info("sd_uid_get_seats("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
+ free(t);
- assert_se(sd_session_get_uid(session, &u) >= 0);
- printf("uid = "UID_FMT"\n", u);
- assert_se(u == u2);
+ assert_se(r == sd_uid_get_seats(u2, false, NULL));
+ }
- assert_se(sd_session_get_type(session, &type) >= 0);
- printf("type = %s\n", type);
- free(type);
+ if (session) {
+ r = sd_session_is_active(session);
+ assert_se(r >= 0);
+ log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
- assert_se(sd_session_get_class(session, &class) >= 0);
- printf("class = %s\n", class);
- free(class);
+ r = sd_session_is_remote(session);
+ assert_se(r >= 0);
+ log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
- display = NULL;
- r = sd_session_get_display(session, &display);
- assert_se(r >= 0 || r == -ENODATA);
- printf("display = %s\n", strna(display));
- free(display);
+ r = sd_session_get_state(session, &state);
+ assert_se(r >= 0);
+ log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
- remote_user = NULL;
- r = sd_session_get_remote_user(session, &remote_user);
- assert_se(r >= 0 || r == -ENODATA);
- printf("remote_user = %s\n", strna(remote_user));
- free(remote_user);
+ assert_se(sd_session_get_uid(session, &u) >= 0);
+ log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
+ assert_se(u == u2);
- remote_host = NULL;
- r = sd_session_get_remote_host(session, &remote_host);
- assert_se(r >= 0 || r == -ENODATA);
- printf("remote_host = %s\n", strna(remote_host));
- free(remote_host);
+ assert_se(sd_session_get_type(session, &type) >= 0);
+ log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
- assert_se(sd_session_get_seat(session, &seat) >= 0);
- printf("seat = %s\n", seat);
+ assert_se(sd_session_get_class(session, &class) >= 0);
+ log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
- r = sd_seat_can_multi_session(seat);
- assert_se(r >= 0);
- printf("can do multi session = %s\n", yes_no(r));
+ r = sd_session_get_display(session, &display);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
- r = sd_seat_can_tty(seat);
- assert_se(r >= 0);
- printf("can do tty = %s\n", yes_no(r));
+ r = sd_session_get_remote_user(session, &remote_user);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
+ session, strna(remote_user));
- r = sd_seat_can_graphical(seat);
- assert_se(r >= 0);
- printf("can do graphical = %s\n", yes_no(r));
+ r = sd_session_get_remote_host(session, &remote_host);
+ assert_se(r >= 0 || r == -ENODATA);
+ log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
+ session, strna(remote_host));
- assert_se(sd_uid_get_state(u, &state) >= 0);
- printf("state = %s\n", state);
+ r = sd_session_get_seat(session, &seat);
+ if (r >= 0) {
+ assert_se(seat);
- assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
+ log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);
- k = sd_uid_is_on_seat(u, 1, seat);
- assert_se(k >= 0);
- assert_se(!!r == !!r);
+ r = sd_seat_can_multi_session(seat);
+ assert_se(r >= 0);
+ log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
- assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0);
- printf("session2 = %s\n", session2);
- printf("uid2 = "UID_FMT"\n", u2);
+ 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_get_sessions(seat, &sessions, &uids, &n);
- assert_se(r >= 0);
- printf("n_sessions = %i\n", r);
- assert_se(r == (int) strv_length(sessions));
- assert_se(t = strv_join(sessions, ", "));
- strv_free(sessions);
- printf("sessions = %s\n", t);
- free(t);
- printf("uids =");
- for (k = 0; k < (int) n; k++)
- printf(" "UID_FMT, uids[k]);
- printf("\n");
- free(uids);
+ 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);
+ }
- assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
+ if (seat) {
+ _cleanup_free_ char *session2 = NULL, *buf = NULL;
+ _cleanup_free_ uid_t *uids = NULL;
+ unsigned n;
- free(session);
- free(state);
- free(session2);
- free(seat);
+ 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(r >= 0);
+ 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\", …) → %i, \"%s\", [%i] {%s}",
+ seat, 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);
- printf("n_seats = %i\n", r);
- printf("seats = %s\n", t);
- free(t);
+ 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(r >= 0);
- printf("active session on current seat = %s\n", t);
+ assert_se(IN_SET(r, 0, -ENODATA));
+ log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s", strnull(t));
free(t);
r = sd_get_sessions(&sessions);
assert_se(r == (int) strv_length(sessions));
assert_se(t = strv_join(sessions, ", "));
strv_free(sessions);
- printf("n_sessions = %i\n", r);
- printf("sessions = %s\n", t);
+ log_info("sd_get_sessions(…) → [%i] \"%s\"", r, t);
free(t);
assert_se(sd_get_sessions(NULL) == r);
- r = sd_get_uids(&uids);
- assert_se(r >= 0);
+ {
+ _cleanup_free_ uid_t *uids = NULL;
+ _cleanup_free_ char *buf = NULL;
- printf("uids =");
- for (k = 0; k < r; k++)
- printf(" "UID_FMT, uids[k]);
- printf("\n");
- free(uids);
+ r = sd_get_uids(&uids);
+ assert_se(r >= 0);
+ log_info("sd_get_uids(…) → [%i] {%s}", r, format_uids(&buf, uids, r));
- printf("n_uids = %i\n", r);
- assert_se(sd_get_uids(NULL) == r);
+ assert_se(sd_get_uids(NULL) == r);
+ }
- r = sd_get_machine_names(&machines);
- assert_se(r >= 0);
- assert_se(r == (int) strv_length(machines));
- assert_se(t = strv_join(machines, ", "));
- strv_free(machines);
- printf("n_machines = %i\n", r);
- printf("machines = %s\n", t);
- free(t);
+ {
+ _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);
+ }
+}
+
+static void test_monitor(void) {
+ sd_login_monitor *m = NULL;
+ unsigned n;
+ int r;
r = sd_login_monitor_new("session", &m);
assert_se(r >= 0);
for (n = 0; n < 5; n++) {
+ struct pollfd pollfd = {};
usec_t timeout, nw;
- zero(pollfd);
assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);
log_parse_environment();
log_open();
+ log_info("/* Information printed is from the live system */");
+
test_login();
+ if (streq_ptr(argv[1], "-m"))
+ test_monitor();
+
return 0;
}