gboolean
nm_session_monitor_uid_active (NMSessionMonitor *monitor,
uid_t uid,
GError **error)
{
return sd_uid_get_sessions (uid, TRUE, NULL) > 0;
}
errno_t check_if_uid_is_active(uid_t uid, bool *result)
{
int ret;
#ifdef HAVE_SYSTEMD_LOGIN
ret = sd_uid_get_sessions(uid, 0, NULL);
if (ret > 0) {
*result = true;
return EOK;
}
if (ret == 0) {
*result = false;
}
if (ret < 0) {
DEBUG(SSSDBG_CRIT_FAILURE, "systemd-login gave error %d: %s\n",
-ret, strerror(-ret));
}
/* fall back to the old method */
#endif
ret = get_active_uid_linux(NULL, uid);
if (ret != EOK && ret != ENOENT) {
DEBUG(SSSDBG_CRIT_FAILURE, "get_uid_table failed.\n");
return ret;
}
if (ret == EOK) {
*result = true;
} else {
*result = false;
}
return EOK;
}
gboolean
nm_session_monitor_uid_has_session (NMSessionMonitor *monitor,
uid_t uid,
const char **out_user,
GError **error)
{
if (!nm_session_uid_to_user (uid, out_user, error))
return FALSE;
return sd_uid_get_sessions (uid, FALSE, NULL) > 0;
}
gboolean
nm_session_monitor_uid_active (NMSessionMonitor *monitor,
uid_t uid,
GError **error)
{
int ret;
ret = sd_uid_get_sessions (uid, TRUE, NULL) > 0;
if (ret < 0) {
nm_log_warn (LOGD_CORE, "Failed to get active systemd sessions for uid %d: %d",
uid, ret);
return FALSE;
}
return ret > 0 ? TRUE : FALSE;
}
gboolean
nm_session_monitor_uid_active (NMSessionMonitor *monitor,
uid_t uid,
GError **error)
{
int num_sessions;
/* Get active sessions for the user */
num_sessions = sd_uid_get_sessions (uid, 1, NULL);
if (num_sessions < 0) {
nm_log_warn (LOGD_CORE, "Failed to get active systemd sessions for uid %d: %d",
uid, num_sessions);
return FALSE;
}
return num_sessions > 0;
}
static gboolean
sd_session_exists (NMSessionMonitor *monitor, uid_t uid, gboolean active)
{
int status;
if (!monitor->sd.monitor)
return FALSE;
status = sd_uid_get_sessions (uid, active, NULL);
if (status < 0)
nm_log_err (LOGD_CORE, "Failed to get systemd sessions for uid %d: %d",
uid, status);
return status > 0;
}
gboolean
nm_session_monitor_uid_has_session (NMSessionMonitor *monitor,
uid_t uid,
const char **out_user,
GError **error)
{
int ret;
if (!nm_session_uid_to_user (uid, out_user, error))
return FALSE;
ret = sd_uid_get_sessions (uid, FALSE, NULL) > 0;
if (ret < 0) {
nm_log_warn (LOGD_CORE, "Failed to get systemd sessions for uid %d: %d",
uid, ret);
return FALSE;
}
return ret > 0 ? TRUE : FALSE;
}
gboolean
nm_session_monitor_uid_has_session (NMSessionMonitor *monitor,
uid_t uid,
const char **out_user,
GError **error)
{
int num_sessions;
if (!nm_session_uid_to_user (uid, out_user, error))
return FALSE;
/* Get all sessions (including inactive ones) for the user */
num_sessions = sd_uid_get_sessions (uid, 0, NULL);
if (num_sessions < 0) {
nm_log_warn (LOGD_CORE, "Failed to get systemd sessions for uid %d: %d",
uid, num_sessions);
return FALSE;
}
return num_sessions > 0;
}
static void test_login(void) {
int r, k;
uid_t u, u2;
char *seat, *type, *class, *display;
char *session;
char *state;
char *session2;
char *t;
char **seats, **sessions, **machines;
uid_t *uids;
unsigned n;
struct pollfd pollfd;
sd_login_monitor *m;
assert_se(sd_pid_get_session(0, &session) == 0);
printf("session = %s\n", session);
assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
printf("user = %lu\n", (unsigned long) u2);
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(r == sd_uid_get_sessions(u2, false, NULL));
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);
assert_se(r == sd_uid_get_seats(u2, false, NULL));
r = sd_session_is_active(session);
assert_se(r >= 0);
printf("active = %s\n", yes_no(r));
r = sd_session_get_state(session, &state);
assert_se(r >= 0);
printf("state = %s\n", state);
free(state);
assert_se(sd_session_get_uid(session, &u) >= 0);
printf("uid = %lu\n", (unsigned long) u);
assert_se(u == u2);
assert_se(sd_session_get_type(session, &type) >= 0);
printf("type = %s\n", type);
free(type);
assert_se(sd_session_get_class(session, &class) >= 0);
printf("class = %s\n", class);
free(class);
assert_se(sd_session_get_display(session, &display) >= 0);
printf("display = %s\n", display);
free(display);
assert_se(sd_session_get_seat(session, &seat) >= 0);
printf("seat = %s\n", seat);
r = sd_seat_can_multi_session(seat);
assert_se(r >= 0);
printf("can do multi session = %s\n", yes_no(r));
r = sd_seat_can_tty(seat);
assert_se(r >= 0);
printf("can do tty = %s\n", yes_no(r));
r = sd_seat_can_graphical(seat);
assert_se(r >= 0);
printf("can do graphical = %s\n", yes_no(r));
assert_se(sd_uid_get_state(u, &state) >= 0);
printf("state = %s\n", state);
assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
k = sd_uid_is_on_seat(u, 1, seat);
assert_se(k >= 0);
assert_se(!!r == !!r);
assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0);
printf("session2 = %s\n", session2);
printf("uid2 = %lu\n", (unsigned long) u2);
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(" %lu", (unsigned long) uids[k]);
printf("\n");
free(uids);
assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
free(session);
free(state);
free(session2);
free(seat);
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);
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);
free(t);
r = sd_get_sessions(&sessions);
assert_se(r >= 0);
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);
free(t);
assert_se(sd_get_sessions(NULL) == r);
r = sd_get_uids(&uids);
assert_se(r >= 0);
printf("uids =");
for (k = 0; k < r; k++)
printf(" %lu", (unsigned long) uids[k]);
printf("\n");
free(uids);
printf("n_uids = %i\n", 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);
r = sd_login_monitor_new("session", &m);
assert_se(r >= 0);
for (n = 0; n < 5; n++) {
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);
assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
nw = now(CLOCK_MONOTONIC);
r = poll(&pollfd, 1,
timeout == (uint64_t) -1 ? -1 :
timeout > nw ? (int) ((timeout - nw) / 1000) :
0);
assert_se(r >= 0);
sd_login_monitor_flush(m);
printf("Wake!\n");
}
sd_login_monitor_unref(m);
}
// ret:
// 0: change to another session
// 1: stay current session
int
switch_to_greeter(gchar *seat_path, struct user_session_dbus *usd)
{
int ret = 1;
char **sessions = NULL;
char *seat = NULL;
char *display = NULL;
char *cur_seat = NULL;
gchar **strlist = NULL;
char *new_user_session = NULL;
GDBusProxy *seat_proxy = NULL;
GDBusProxy *login1_proxy = NULL;
GError *error = NULL;
if (!g_variant_is_object_path(seat_path)) {
g_warning("switchtogreeter:invalid object path\n");
return 1;
}
seat_proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.DisplayManager",
seat_path,
"org.freedesktop.DisplayManager.Seat",
NULL,
&error);
if (error != NULL) {
g_warning("switchtogreeter:seat proxy %s\n", error->message);
g_error_free(error);
return 1;
}
error = NULL;
printf("current seat path: %s\n", seat_path);
strlist = g_strsplit(seat_path, "/", -1);
while (*strlist) {
cur_seat = *strlist;
strlist++;
}
printf("current seat: %s\n", cur_seat);
printf("usd->session_path: %s\n", usd->session_path);
printf("usd->username: %s\n", usd->username);
if (usd->session_path != NULL && usd->username != NULL) {
sd_uid_get_sessions(name_to_uid(usd->username), 0, &sessions);
while (*sessions) {
sd_session_get_display(*sessions, &display);
if (NULL == display){
sessions++;
continue;
}
sd_session_get_seat(*sessions, &seat);
printf("session display %s %s\n", *sessions, display);
if (seat != NULL && (0 == g_ascii_strcasecmp(seat, cur_seat))) {
new_user_session = *sessions;
printf("switchtogreeter: find sessions path %s %s \n", new_user_session, seat);
break;
}
sessions++;
}
if (NULL == new_user_session) {
g_error("switchtogreeter: can not find user sessions %s \n", usd->username);
return 1;
}
printf("find user session: %s\n", new_user_session);
login1_proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
NULL,
&error);
g_dbus_proxy_call_sync(login1_proxy,
"ActivateSession",
g_variant_new("(s)", new_user_session),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
ret = 0;
} else if (usd->username != NULL) {
printf("SwitchToUser\n");
usd->session_path = "";
g_dbus_proxy_call_sync(seat_proxy,
"SwitchToUser",
g_variant_new("(ss)", usd->username, usd->session_path),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
ret = 1;
} else {
g_dbus_proxy_call_sync(seat_proxy,
"SwitchToGreeter",
g_variant_new("()"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
ret = 1;
}
if (error != NULL) {
g_warning("switchtogreeter:seat switchtogreeter %s\n", error->message);
g_error_free(error);
}
error = NULL;
g_object_unref(seat_proxy);
return ret;
}
int main(int argc, char* argv[]) {
int r, k;
uid_t u, u2;
char *seat, *type, *class, *display;
char *session;
char *state;
char *session2;
char *t;
char **seats, **sessions;
uid_t *uids;
unsigned n;
struct pollfd pollfd;
sd_login_monitor *m;
assert_se(sd_pid_get_session(0, &session) == 0);
printf("session = %s\n", session);
assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
printf("user = %lu\n", (unsigned long) u2);
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(r == sd_uid_get_sessions(u2, false, NULL));
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);
assert_se(r == sd_uid_get_seats(u2, false, NULL));
r = sd_session_is_active(session);
assert_se(r >= 0);
printf("active = %s\n", yes_no(r));
r = sd_session_get_state(session, &state);
assert_se(r >= 0);
printf("state = %s\n", state);
free(state);
assert_se(sd_session_get_uid(session, &u) >= 0);
printf("uid = %lu\n", (unsigned long) u);
assert_se(u == u2);
assert_se(sd_session_get_type(session, &type) >= 0);
printf("type = %s\n", type);
free(type);
assert_se(sd_session_get_class(session, &class) >= 0);
printf("class = %s\n", class);
free(class);
assert_se(sd_session_get_display(session, &display) >= 0);
printf("display = %s\n", display);
free(display);
assert_se(sd_session_get_seat(session, &seat) >= 0);
printf("seat = %s\n", seat);
r = sd_seat_can_multi_session(seat);
assert_se(r >= 0);
printf("can do multi session = %s\n", yes_no(r));
r = sd_seat_can_tty(seat);
assert_se(r >= 0);
printf("can do tty = %s\n", yes_no(r));
r = sd_seat_can_graphical(seat);
assert_se(r >= 0);
printf("can do graphical = %s\n", yes_no(r));
assert_se(sd_uid_get_state(u, &state) >= 0);
printf("state = %s\n", state);
assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
k = sd_uid_is_on_seat(u, 1, seat);
assert_se(k >= 0);
assert_se(!!r == !!r);
assert_se(sd_seat_get_active(seat, &session2, &u2) >= 0);
printf("session2 = %s\n", session2);
printf("uid2 = %lu\n", (unsigned long) u2);
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(" %lu", (unsigned long) uids[k]);
printf("\n");
free(uids);
assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
free(session);
free(state);
free(session2);
free(seat);
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);
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);
free(t);
r = sd_get_sessions(&sessions);
assert_se(r >= 0);
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);
free(t);
assert_se(sd_get_sessions(NULL) == r);
r = sd_get_uids(&uids);
assert_se(r >= 0);
printf("uids =");
for (k = 0; k < r; k++)
printf(" %lu", (unsigned long) uids[k]);
printf("\n");
free(uids);
printf("n_uids = %i\n", r);
assert_se(sd_get_uids(NULL) == r);
r = sd_login_monitor_new("session", &m);
assert_se(r >= 0);
zero(pollfd);
pollfd.fd = sd_login_monitor_get_fd(m);
pollfd.events = POLLIN;
for (n = 0; n < 5; n++) {
r = poll(&pollfd, 1, -1);
assert_se(r >= 0);
sd_login_monitor_flush(m);
printf("Wake!\n");
}
sd_login_monitor_unref(m);
return 0;
}
static void test_login(void) {
_cleanup_close_pair_ int pair[2] = { -1, -1 };
_cleanup_free_ char *pp = NULL, *qq = NULL;
int r, k;
uid_t u, u2;
char *seat, *type, *class, *display, *remote_user, *remote_host, *display_session;
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);
assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
printf("user = "******"\n", u2);
display_session = NULL;
r = sd_uid_get_display(u2, &display_session);
assert_se(r >= 0 || r == -ENXIO);
printf("user's display session = %s\n", strna(display_session));
free(display_session);
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_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(r == sd_uid_get_sessions(u2, false, NULL));
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);
assert_se(r == sd_uid_get_seats(u2, false, NULL));
r = sd_session_is_active(session);
assert_se(r >= 0);
printf("active = %s\n", yes_no(r));
r = sd_session_is_remote(session);
assert_se(r >= 0);
printf("remote = %s\n", yes_no(r));
r = sd_session_get_state(session, &state);
assert_se(r >= 0);
printf("state = %s\n", state);
free(state);
assert_se(sd_session_get_uid(session, &u) >= 0);
printf("uid = "UID_FMT"\n", u);
assert_se(u == u2);
assert_se(sd_session_get_type(session, &type) >= 0);
printf("type = %s\n", type);
free(type);
assert_se(sd_session_get_class(session, &class) >= 0);
printf("class = %s\n", class);
free(class);
display = NULL;
r = sd_session_get_display(session, &display);
assert_se(r >= 0 || r == -ENXIO);
printf("display = %s\n", strna(display));
free(display);
remote_user = NULL;
r = sd_session_get_remote_user(session, &remote_user);
assert_se(r >= 0 || r == -ENXIO);
printf("remote_user = %s\n", strna(remote_user));
free(remote_user);
remote_host = NULL;
r = sd_session_get_remote_host(session, &remote_host);
assert_se(r >= 0 || r == -ENXIO);
printf("remote_host = %s\n", strna(remote_host));
free(remote_host);
assert_se(sd_session_get_seat(session, &seat) >= 0);
printf("seat = %s\n", seat);
r = sd_seat_can_multi_session(seat);
assert_se(r >= 0);
printf("can do multi session = %s\n", yes_no(r));
r = sd_seat_can_tty(seat);
assert_se(r >= 0);
printf("can do tty = %s\n", yes_no(r));
r = sd_seat_can_graphical(seat);
assert_se(r >= 0);
printf("can do graphical = %s\n", yes_no(r));
assert_se(sd_uid_get_state(u, &state) >= 0);
printf("state = %s\n", state);
assert_se(sd_uid_is_on_seat(u, 0, seat) > 0);
k = sd_uid_is_on_seat(u, 1, seat);
assert_se(k >= 0);
assert_se(!!r == !!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_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);
assert_se(sd_seat_get_sessions(seat, NULL, NULL, NULL) == r);
free(session);
free(state);
free(session2);
free(seat);
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);
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);
free(t);
r = sd_get_sessions(&sessions);
assert_se(r >= 0);
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);
free(t);
assert_se(sd_get_sessions(NULL) == r);
r = sd_get_uids(&uids);
assert_se(r >= 0);
printf("uids =");
for (k = 0; k < r; k++)
printf(" "UID_FMT, uids[k]);
printf("\n");
free(uids);
printf("n_uids = %i\n", 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);
r = sd_login_monitor_new("session", &m);
assert_se(r >= 0);
for (n = 0; n < 5; n++) {
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);
assert_se(sd_login_monitor_get_timeout(m, &timeout) >= 0);
nw = now(CLOCK_MONOTONIC);
r = poll(&pollfd, 1,
timeout == (uint64_t) -1 ? -1 :
timeout > nw ? (int) ((timeout - nw) / 1000) :
0);
assert_se(r >= 0);
sd_login_monitor_flush(m);
printf("Wake!\n");
}
sd_login_monitor_unref(m);
}
