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session/logind: specify seat exactly

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"/org/freedesktop/login1/seat/self" path triggers seat-finding code path in logind,
which currently relies on getting the session based on caller's PID.
This behaviour is deprecated in logind as it doesn't work eg. with systemd user units,
which run outside of user session.

We check for "seat0" in logind_change_vt() already as introduced in 47985d2dc5,
so hard-coding it here is not a problem, otherwise sd_session_get_seat() could be used.
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Jan Chren 2019-05-22 14:43:13 +02:00 committed by GitHub
parent 461c4f58a6
commit e04e1ba197
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1 changed files with 1 additions and 1 deletions
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backend/session/logind.c
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@ -136,7 +136,7 @@ static bool logind_change_vt(struct wlr_session *base, unsigned vt) {
sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus_error error = SD_BUS_ERROR_NULL;
ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", ret = sd_bus_call_method(session->bus, "org.freedesktop.login1",
"/org/freedesktop/login1/seat/self", "org.freedesktop.login1.Seat", "SwitchTo", "/org/freedesktop/login1/seat/seat0", "org.freedesktop.login1.Seat", "SwitchTo",
&error, &msg, "u", (uint32_t)vt); &error, &msg, "u", (uint32_t)vt);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to change to vt '%d'", vt); wlr_log(WLR_ERROR, "Failed to change to vt '%d'", vt);