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From f80320d15ba6815f0b385e4b8f86f3293fed66ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Wed, 16 Dec 2020 15:56:44 +0100
Subject: [PATCH] test-login: skip consistency checks when logind is not active
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
There are two ways in swich sd_login_* functions acquire data:
some are derived from the cgroup path, but others use the data serialized
by logind.
When the tests are executed under Fedora's mock, without systemd-spawn
but instead in a traditional chroot, test-login gets confused:
the "outside" cgroup path is visible, so sd_pid_get_unit() and
sd_pid_get_session() work, but sd_session_is_active() and other functions
that need logind data fail.
Such a buildroot setup is fairly bad, but it can be encountered in the wild, so
let's just skip the tests in that case.
/* Information printed is from the live system */
sd_pid_get_unit(0, …) → "session-237.scope"
sd_pid_get_user_unit(0, …) → "n/a"
sd_pid_get_slice(0, …) → "user-1000.slice"
sd_pid_get_session(0, …) → "237"
sd_pid_get_owner_uid(0, …) → 1000
sd_pid_get_cgroup(0, …) → "/user.slice/user-1000.slice/session-237.scope"
sd_uid_get_display(1000, …) → "(null)"
sd_uid_get_sessions(1000, …) → [0] ""
sd_uid_get_seats(1000, …) → [0] ""
Assertion 'r >= 0' failed at src/libsystemd/sd-login/test-login.c:104, function test_login(). Aborting.
(cherry picked from commit ac5644635dba54ce5eb0ff394fc0bc772a984849)
Resolves: #2223582
---
src/libsystemd/sd-login/test-login.c | 98 +++++++++++++++-------------
1 file changed, 52 insertions(+), 46 deletions(-)
diff --git a/src/libsystemd/sd-login/test-login.c b/src/libsystemd/sd-login/test-login.c
index d24a04ccc8..5a64aef868 100644
--- a/src/libsystemd/sd-login/test-login.c
+++ b/src/libsystemd/sd-login/test-login.c
@@ -115,65 +115,71 @@ static void test_login(void) {
if (session) {
r = sd_session_is_active(session);
- assert_se(r >= 0);
- log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
+ if (r == -ENXIO)
+ log_notice("sd_session_is_active() failed with ENXIO, it seems logind is not running.");
+ else {
+ /* All those tests will fail with ENXIO, so let's skip them. */
- r = sd_session_is_remote(session);
- assert_se(r >= 0);
- log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
+ assert_se(r >= 0);
+ log_info("sd_session_is_active(\"%s\") → %s", session, yes_no(r));
- r = sd_session_get_state(session, &state);
- assert_se(r == 0);
- log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
+ r = sd_session_is_remote(session);
+ assert_se(r >= 0);
+ log_info("sd_session_is_remote(\"%s\") → %s", session, yes_no(r));
- assert_se(sd_session_get_uid(session, &u) >= 0);
- log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
- assert_se(u == u2);
+ r = sd_session_get_state(session, &state);
+ assert_se(r == 0);
+ log_info("sd_session_get_state(\"%s\") → \"%s\"", session, state);
- assert_se(sd_session_get_type(session, &type) >= 0);
- log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
+ assert_se(sd_session_get_uid(session, &u) >= 0);
+ log_info("sd_session_get_uid(\"%s\") → "UID_FMT, session, u);
+ assert_se(u == u2);
- assert_se(sd_session_get_class(session, &class) >= 0);
- log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
+ assert_se(sd_session_get_type(session, &type) >= 0);
+ log_info("sd_session_get_type(\"%s\") → \"%s\"", session, type);
- r = sd_session_get_display(session, &display);
- assert_se(IN_SET(r, 0, -ENODATA));
- log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
+ assert_se(sd_session_get_class(session, &class) >= 0);
+ log_info("sd_session_get_class(\"%s\") → \"%s\"", session, class);
- r = sd_session_get_remote_user(session, &remote_user);
- assert_se(IN_SET(r, 0, -ENODATA));
- log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
- session, strna(remote_user));
+ r = sd_session_get_display(session, &display);
+ assert_se(IN_SET(r, 0, -ENODATA));
+ log_info("sd_session_get_display(\"%s\") → \"%s\"", session, strna(display));
- r = sd_session_get_remote_host(session, &remote_host);
- assert_se(IN_SET(r, 0, -ENODATA));
- log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
- session, strna(remote_host));
+ r = sd_session_get_remote_user(session, &remote_user);
+ assert_se(IN_SET(r, 0, -ENODATA));
+ log_info("sd_session_get_remote_user(\"%s\") → \"%s\"",
+ session, strna(remote_user));
- r = sd_session_get_seat(session, &seat);
- if (r >= 0) {
- assert_se(seat);
+ r = sd_session_get_remote_host(session, &remote_host);
+ assert_se(IN_SET(r, 0, -ENODATA));
+ log_info("sd_session_get_remote_host(\"%s\") → \"%s\"",
+ session, strna(remote_host));
- log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);
+ r = sd_session_get_seat(session, &seat);
+ if (r >= 0) {
+ assert_se(seat);
- r = sd_seat_can_multi_session(seat);
- assert_se(r >= 0);
- log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
+ log_info("sd_session_get_seat(\"%s\") → \"%s\"", session, seat);
- r = sd_seat_can_tty(seat);
- assert_se(r >= 0);
- log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));
+ r = sd_seat_can_multi_session(seat);
+ assert_se(r >= 0);
+ log_info("sd_session_can_multi_seat(\"%s\") → %s", seat, yes_no(r));
- r = sd_seat_can_graphical(seat);
- assert_se(r >= 0);
- log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
- } else {
- log_info_errno(r, "sd_session_get_seat(\"%s\"): %m", session);
- assert_se(r == -ENODATA);
- }
+ r = sd_seat_can_tty(seat);
+ assert_se(r >= 0);
+ log_info("sd_session_can_tty(\"%s\") → %s", seat, yes_no(r));
- assert_se(sd_uid_get_state(u, &state2) == 0);
- log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
+ r = sd_seat_can_graphical(seat);
+ assert_se(r >= 0);
+ log_info("sd_session_can_graphical(\"%s\") → %s", seat, yes_no(r));
+ } else {
+ log_info_errno(r, "sd_session_get_seat(\"%s\"): %m", session);
+ assert_se(r == -ENODATA);
+ }
+
+ assert_se(sd_uid_get_state(u, &state2) == 0);
+ log_info("sd_uid_get_state("UID_FMT", …) → %s", u, state2);
+ }
}
if (seat) {
@@ -214,7 +220,7 @@ static void test_login(void) {
assert_se(sd_get_seats(NULL) == r);
r = sd_seat_get_active(NULL, &t, NULL);
- assert_se(IN_SET(r, 0, -ENODATA));
+ assert_se(IN_SET(r, 0, -ENODATA, -ENXIO));
log_info("sd_seat_get_active(NULL, …) (active session on current seat) → %s / \"%s\"", e(r), strnull(t));
free(t);
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