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

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