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-rw-r--r--src/libsystemd/sd-login/sd-login.c6
-rw-r--r--src/libsystemd/sd-login/test-login.c26
2 files changed, 23 insertions, 9 deletions
diff --git a/src/libsystemd/sd-login/sd-login.c b/src/libsystemd/sd-login/sd-login.c
index 0eadc8c747..7d6a4b78cf 100644
--- a/src/libsystemd/sd-login/sd-login.c
+++ b/src/libsystemd/sd-login/sd-login.c
@@ -237,11 +237,13 @@ _public_ int sd_uid_get_display(uid_t uid, char **session) {
return r;
r = parse_env_file(p, NEWLINE, "DISPLAY", &s, NULL);
+ if (r == -ENOENT)
+ return -ENXIO;
if (r < 0)
return r;
if (isempty(s))
- return -ENOENT;
+ return -ENXIO;
*session = s;
s = NULL;
@@ -465,7 +467,7 @@ static int session_get_string(const char *session, const char *field, char **val
return r;
if (isempty(s))
- return -ENOENT;
+ return -ENXIO;
*value = s;
s = NULL;
diff --git a/src/libsystemd/sd-login/test-login.c b/src/libsystemd/sd-login/test-login.c
index 05affa442d..ddea7ffa14 100644
--- a/src/libsystemd/sd-login/test-login.c
+++ b/src/libsystemd/sd-login/test-login.c
@@ -33,7 +33,7 @@ static void test_login(void) {
_cleanup_free_ char *pp = NULL, *qq = NULL;
int r, k;
uid_t u, u2;
- char *seat, *type, *class, *display, *remote_user, *remote_host;
+ char *seat, *type, *class, *display, *remote_user, *remote_host, *display_session;
char *session;
char *state;
char *session2;
@@ -50,6 +50,12 @@ static void test_login(void) {
assert_se(sd_pid_get_owner_uid(0, &u2) == 0);
printf("user = "UID_FMT"\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);
@@ -100,16 +106,22 @@ static void test_login(void) {
printf("class = %s\n", class);
free(class);
- assert_se(sd_session_get_display(session, &display) >= 0);
- printf("display = %s\n", display);
+ display = NULL;
+ r = sd_session_get_display(session, &display);
+ assert_se(r >= 0 || r == -ENXIO);
+ printf("display = %s\n", strna(display));
free(display);
- assert_se(sd_session_get_remote_user(session, &remote_user) >= 0);
- printf("remote_user = %s\n", remote_user);
+ 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);
- assert_se(sd_session_get_remote_host(session, &remote_host) >= 0);
- printf("remote_host = %s\n", remote_host);
+ 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);