2 This file is part of systemd.
4 Copyright 2011 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "alloc-util.h"
27 #include "format-util.h"
29 #include "string-util.h"
33 /// Additional includes needed by elogind
34 #include "musl_missing.h"
35 static char* format_uids(char **buf, uid_t* uids, int count) {
37 size_t size = (DECIMAL_STR_MAX(uid_t) + 1) * count + 1;
39 assert_se(*buf = malloc(size));
41 for (k = 0; k < count; k++) {
42 sprintf(*buf + pos, "%s"UID_FMT"%n", k > 0 ? " " : "", uids[k], &inc);
46 assert_se(pos < (ssize_t)size);
52 static void test_login(void) {
53 _cleanup_close_pair_ int pair[2] = { -1, -1 };
54 _cleanup_free_ char *pp = NULL, *qq = NULL,
55 *display_session = NULL, *cgroup = NULL,
56 *display = NULL, *remote_user = NULL, *remote_host = NULL,
57 *type = NULL, *class = NULL, *state = NULL, *state2 = NULL,
58 *seat = NULL, *session = NULL,
59 *unit = NULL, *user_unit = NULL, *slice = NULL;
62 char *t, **seats, **sessions;
64 r = sd_pid_get_unit(0, &unit);
65 assert_se(r >= 0 || r == -ENODATA);
66 log_info("sd_pid_get_unit(0, …) → \"%s\"", strna(unit));
68 r = sd_pid_get_user_unit(0, &user_unit);
69 assert_se(r >= 0 || r == -ENODATA);
70 log_info("sd_pid_get_user_unit(0, …) → \"%s\"", strna(user_unit));
72 r = sd_pid_get_slice(0, &slice);
73 assert_se(r >= 0 || r == -ENODATA);
74 log_info("sd_pid_get_slice(0, …) → \"%s\"", strna(slice));
76 r = sd_pid_get_session(0, &session);
78 log_warning_errno(r, "sd_pid_get_session(0, …): %m");
80 log_info("Seems we are not running in a session, skipping some tests.");
82 log_info("sd_pid_get_session(0, …) → \"%s\"", session);
84 assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
85 log_info("sd_pid_get_owner_uid(0, …) → "UID_FMT, u2);
87 assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
88 log_info("sd_pid_get_cgroup(0, …) → \"%s\"", cgroup);
90 r = sd_uid_get_display(u2, &display_session);
91 assert_se(r >= 0 || r == -ENODATA);
92 log_info("sd_uid_get_display("UID_FMT", …) → \"%s\"",
93 u2, strnull(display_session));
95 assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
96 sd_peer_get_session(pair[0], &pp);
97 sd_peer_get_session(pair[1], &qq);
98 assert_se(streq_ptr(pp, qq));
100 r = sd_uid_get_sessions(u2, false, &sessions);
102 assert_se(r == (int) strv_length(sessions));
103 assert_se(t = strv_join(sessions, " "));
105 log_info("sd_uid_get_sessions("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
108 assert_se(r == sd_uid_get_sessions(u2, false, NULL));
110 r = sd_uid_get_seats(u2, false, &seats);
112 assert_se(r == (int) strv_length(seats));
113 assert_se(t = strv_join(seats, " "));
115 log_info("sd_uid_get_seats("UID_FMT", …) → [%i] \"%s\"", u2, r, t);
118 assert_se(r == sd_uid_get_seats(u2, false, NULL));
122 r = sd_session_is_active(session);
124 log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
126 r = sd_session_is_remote(session);
128 log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
130 r = sd_session_get_state(session, &state);
132 log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
134 assert_se(sd_session_get_uid(session, &u) >= 0);
135 log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
138 assert_se(sd_session_get_type(session, &type) >= 0);
139 log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
141 assert_se(sd_session_get_class(session, &class) >= 0);
142 log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
144 r = sd_session_get_display(session, &display);
145 assert_se(r >= 0 || r == -ENODATA);
146 log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
148 r = sd_session_get_remote_user(session, &remote_user);
149 assert_se(r >= 0 || r == -ENODATA);
150 log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
151 session, strna(remote_user));
153 r = sd_session_get_remote_host(session, &remote_host);
154 assert_se(r >= 0 || r == -ENODATA);
155 log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
156 session, strna(remote_host));
158 r = sd_session_get_seat(session, &seat);
162 log_info("sd_session_get_display(\"%s\") → \"%s\"", session, seat);
164 r = sd_seat_can_multi_session(seat);
166 log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
168 r = sd_seat_can_tty(seat);
170 log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));
172 r = sd_seat_can_graphical(seat);
174 log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
176 log_info_errno(r, "sd_session_get_display(\"%s\"): %m", session);
177 assert_se(r == -ENODATA);
180 assert_se(sd_uid_get_state(u, &state2) >= 0);
181 log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
185 _cleanup_free_ char *session2 = NULL, *buf = NULL;
186 _cleanup_free_ uid_t *uids = NULL;
189 assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
191 k = sd_uid_is_on_seat(u, 1, seat);
193 assert_se(!!k == !!r);
195 assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0);
196 log_info("sd_seat_get_active(\"%s\", …) → \"%s\", "UID_FMT, seat, session2, u2);
198 r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
200 assert_se(r == (int) strv_length(sessions));
201 assert_se(t = strv_join(sessions, " "));
203 log_info("sd_seat_get_sessions(\"%s\", …) → %i, \"%s\", [%i] {%s}",
204 seat, r, t, n, format_uids(&buf, uids, n));
207 assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
210 r = sd_get_seats(&seats);
212 assert_se(r == (int) strv_length(seats));
213 assert_se(t = strv_join(seats, ", "));
215 log_info("sd_get_seats(…) → [%i] \"%s\"", r, t);
218 assert_se(sd_get_seats(NULL) == r);
220 r = sd_seat_get_active(NULL, &t, NULL);
221 assert_se(IN_SET(r, 0, -ENODATA));
222 log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s", strnull(t));
225 r = sd_get_sessions(&sessions);
227 assert_se(r == (int) strv_length(sessions));
228 assert_se(t = strv_join(sessions, ", "));
230 log_info("sd_get_sessions(…) → [%i] \"%s\"", r, t);
233 assert_se(sd_get_sessions(NULL) == r);
236 _cleanup_free_ uid_t *uids = NULL;
237 _cleanup_free_ char *buf = NULL;
239 r = sd_get_uids(&uids);
241 log_info("sd_get_uids(…) → [%i] {%s}", r, format_uids(&buf, uids, r));
243 assert_se(sd_get_uids(NULL) == r);
247 _cleanup_strv_free_ char **machines = NULL;
248 _cleanup_free_ char *buf = NULL;
250 r = sd_get_machine_names(&machines);
252 assert_se(r == (int) strv_length(machines));
253 assert_se(buf = strv_join(machines, " "));
254 log_info("sd_get_machines(…) → [%i] \"%s\"", r, buf);
256 assert_se(sd_get_machine_names(NULL) == r);
260 static void test_monitor(void) {
261 sd_login_monitor *m = NULL;
265 r = sd_login_monitor_new("session", &m);
268 for (n = 0; n < 5; n++) {
269 struct pollfd pollfd = {};
272 assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
273 assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);
275 assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
277 nw = now(CLOCK_MONOTONIC);
280 timeout == (uint64_t) -1 ? -1 :
281 timeout > nw ? (int) ((timeout - nw) / 1000) :
286 sd_login_monitor_flush(m);
290 sd_login_monitor_unref(m);
293 int main(int argc, char* argv[]) {
294 log_parse_environment();
297 log_info("/* Information printed is from the live system */");
301 if (streq_ptr(argv[1], "-m"))