src/libsystemd/sd-login/test-login.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2011 Lennart Poettering
   5
   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.
  10
  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.
  15
  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/>.
  18 ***/
  19
  20 #include <poll.h>
  21 #include <string.h>
  22
  23 #include "sd-login.h"
  24
  25 #include "alloc-util.h"
  26 #include "fd-util.h"
  27 #include "format-util.h"
  28 #include "string-util.h"
  29 #include "strv.h"
  30 #include "util.h"
  31
  32 static void test_login(void) {
  33         _cleanup_close_pair_ int pair[2] = { -1, -1 };
  34         _cleanup_free_ char *pp = NULL, *qq = NULL;
  35         int r, k;
  36         uid_t u, u2;
  37         char *seat, *type, *class, *display, *remote_user, *remote_host, *display_session, *cgroup;
  38         char *session;
  39         char *state;
  40         char *session2;
  41         char *t;
  42         char **seats, **sessions, **machines;
  43         uid_t *uids;
  44         unsigned n;
  45         struct pollfd pollfd;
  46         sd_login_monitor *m = NULL;
  47
  48         assert_se(sd_pid_get_session(0, &session) == 0);
  49         printf("session = %s\n", session);
  50
  51         assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
  52         printf("user = "UID_FMT"\n", u2);
  53
  54         assert_se(sd_pid_get_cgroup(0, &cgroup) == 0);
  55         printf("cgroup = %s\n", cgroup);
  56         free(cgroup);
  57
  58         display_session = NULL;
  59         r = sd_uid_get_display(u2, &display_session);
  60         assert_se(r >= 0 || r == -ENODATA);
  61         printf("user's display session = %s\n", strna(display_session));
  62         free(display_session);
  63
  64         assert_se(socketpair(AF_UNIX, SOCK_STREAM, 0, pair) == 0);
  65         sd_peer_get_session(pair[0], &pp);
  66         sd_peer_get_session(pair[1], &qq);
  67         assert_se(streq_ptr(pp, qq));
  68
  69         r = sd_uid_get_sessions(u2, false, &sessions);
  70         assert_se(r >= 0);
  71         assert_se(r == (int) strv_length(sessions));
  72         assert_se(t = strv_join(sessions, ", "));
  73         strv_free(sessions);
  74         printf("sessions = %s\n", t);
  75         free(t);
  76
  77         assert_se(r == sd_uid_get_sessions(u2, false, NULL));
  78
  79         r = sd_uid_get_seats(u2, false, &seats);
  80         assert_se(r >= 0);
  81         assert_se(r == (int) strv_length(seats));
  82         assert_se(t = strv_join(seats, ", "));
  83         strv_free(seats);
  84         printf("seats = %s\n", t);
  85         free(t);
  86
  87         assert_se(r == sd_uid_get_seats(u2, false, NULL));
  88
  89         r = sd_session_is_active(session);
  90         assert_se(r >= 0);
  91         printf("active = %s\n", yes_no(r));
  92
  93         r = sd_session_is_remote(session);
  94         assert_se(r >= 0);
  95         printf("remote = %s\n", yes_no(r));
  96
  97         r = sd_session_get_state(session, &state);
  98         assert_se(r >= 0);
  99         printf("state = %s\n", state);
 100         free(state);
 101
 102         assert_se(sd_session_get_uid(session, &u) >= 0);
 103         printf("uid = "UID_FMT"\n", u);
 104         assert_se(u == u2);
 105
 106         assert_se(sd_session_get_type(session, &type) >= 0);
 107         printf("type = %s\n", type);
 108         free(type);
 109
 110         assert_se(sd_session_get_class(session, &class) >= 0);
 111         printf("class = %s\n", class);
 112         free(class);
 113
 114         display = NULL;
 115         r = sd_session_get_display(session, &display);
 116         assert_se(r >= 0 || r == -ENODATA);
 117         printf("display = %s\n", strna(display));
 118         free(display);
 119
 120         remote_user = NULL;
 121         r = sd_session_get_remote_user(session, &remote_user);
 122         assert_se(r >= 0 || r == -ENODATA);
 123         printf("remote_user = %s\n", strna(remote_user));
 124         free(remote_user);
 125
 126         remote_host = NULL;
 127         r = sd_session_get_remote_host(session, &remote_host);
 128         assert_se(r >= 0 || r == -ENODATA);
 129         printf("remote_host = %s\n", strna(remote_host));
 130         free(remote_host);
 131
 132         assert_se(sd_session_get_seat(session, &seat) >= 0);
 133         printf("seat = %s\n", seat);
 134
 135         r = sd_seat_can_multi_session(seat);
 136         assert_se(r >= 0);
 137         printf("can do multi session = %s\n", yes_no(r));
 138
 139         r = sd_seat_can_tty(seat);
 140         assert_se(r >= 0);
 141         printf("can do tty = %s\n", yes_no(r));
 142
 143         r = sd_seat_can_graphical(seat);
 144         assert_se(r >= 0);
 145         printf("can do graphical = %s\n", yes_no(r));
 146
 147         assert_se(sd_uid_get_state(u, &state) >= 0);
 148         printf("state = %s\n", state);
 149
 150         assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
 151
 152         k = sd_uid_is_on_seat(u, 1, seat);
 153         assert_se(k >= 0);
 154         assert_se(!!r == !!r);
 155
 156         assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0);
 157         printf("session2 = %s\n", session2);
 158         printf("uid2 = "UID_FMT"\n", u2);
 159
 160         r = sd_seat_get_sessions(seat, &sessions, &uids, &n);
 161         assert_se(r >= 0);
 162         printf("n_sessions = %i\n", r);
 163         assert_se(r == (int) strv_length(sessions));
 164         assert_se(t = strv_join(sessions, ", "));
 165         strv_free(sessions);
 166         printf("sessions = %s\n", t);
 167         free(t);
 168         printf("uids =");
 169         for (k = 0; k < (int) n; k++)
 170                 printf(" "UID_FMT, uids[k]);
 171         printf("\n");
 172         free(uids);
 173
 174         assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
 175
 176         free(session);
 177         free(state);
 178         free(session2);
 179         free(seat);
 180
 181         r = sd_get_seats(&seats);
 182         assert_se(r >= 0);
 183         assert_se(r == (int) strv_length(seats));
 184         assert_se(t = strv_join(seats, ", "));
 185         strv_free(seats);
 186         printf("n_seats = %i\n", r);
 187         printf("seats = %s\n", t);
 188         free(t);
 189
 190         assert_se(sd_get_seats(NULL) == r);
 191
 192         r = sd_seat_get_active(NULL, &t, NULL);
 193         assert_se(r >= 0);
 194         printf("active session on current seat = %s\n", t);
 195         free(t);
 196
 197         r = sd_get_sessions(&sessions);
 198         assert_se(r >= 0);
 199         assert_se(r == (int) strv_length(sessions));
 200         assert_se(t = strv_join(sessions, ", "));
 201         strv_free(sessions);
 202         printf("n_sessions = %i\n", r);
 203         printf("sessions = %s\n", t);
 204         free(t);
 205
 206         assert_se(sd_get_sessions(NULL) == r);
 207
 208         r = sd_get_uids(&uids);
 209         assert_se(r >= 0);
 210
 211         printf("uids =");
 212         for (k = 0; k < r; k++)
 213                 printf(" "UID_FMT, uids[k]);
 214         printf("\n");
 215         free(uids);
 216
 217         printf("n_uids = %i\n", r);
 218         assert_se(sd_get_uids(NULL) == r);
 219
 220         r = sd_get_machine_names(&machines);
 221         assert_se(r >= 0);
 222         assert_se(r == (int) strv_length(machines));
 223         assert_se(t = strv_join(machines, ", "));
 224         strv_free(machines);
 225         printf("n_machines = %i\n", r);
 226         printf("machines = %s\n", t);
 227         free(t);
 228
 229         r = sd_login_monitor_new("session", &m);
 230         assert_se(r >= 0);
 231
 232         for (n = 0; n < 5; n++) {
 233                 usec_t timeout, nw;
 234
 235                 zero(pollfd);
 236                 assert_se((pollfd.fd = sd_login_monitor_get_fd(m)) >= 0);
 237                 assert_se((pollfd.events = sd_login_monitor_get_events(m)) >= 0);
 238
 239                 assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
 240
 241                 nw = now(CLOCK_MONOTONIC);
 242
 243                 r = poll(&pollfd, 1,
 244                          timeout == (uint64_t) -1 ? -1 :
 245                          timeout > nw ? (int) ((timeout - nw) / 1000) :
 246                          0);
 247
 248                 assert_se(r >= 0);
 249
 250                 sd_login_monitor_flush(m);
 251                 printf("Wake!\n");
 252         }
 253
 254         sd_login_monitor_unref(m);
 255 }
 256
 257 int main(int argc, char* argv[]) {
 258         log_parse_environment();
 259         log_open();
 260
 261         test_login();
 262
 263         return 0;
 264 }