Retry loginctl show-session

Sometimes we try to query a session too soon after login. The session is
already present in utmp, but not known to logind yet. Retry for those
cases.

2 files changed, 4 insertions, 0 deletions

diff --git a/src/userlist.c b/src/userlist.c
index 6e1f3d2..fffe772 100644
--- a/src/userlist.c
+++ b/src/userlist.c
@@ -110,6 +110,9 @@ int getUserList( struct user *outbuf, int size )
             outbuf[use].sessionLeader = u->ut_pid;
             getSessionData( &outbuf[use] );
             printf( "New Session: '%s' on '%s', Display '%s', logind session '%s', login pid '%d', utmp pid '%d'.\n", outbuf[use].user, outbuf[use].device, outbuf[use].display, outbuf[use].sessionName, (int)outbuf[use].sessionHead, (int)outbuf[use].sessionLeader );
+        } else if ( outbuf[use].sessionName[0] == '\0' && outbuf[use].loginctlFails < 5 ) {
+            getSessionData( &outbuf[use] );
+            outbuf[use].loginctlFails++;
         }
         outbuf[use].mark = true;
         // Reset offset if timestamp changed
diff --git a/src/userlist.h b/src/userlist.h
index c0ffc2f..ca7a70b 100644
--- a/src/userlist.h
+++ b/src/userlist.h
@@ -17,6 +17,7 @@ struct user {
     int lastWarnLevel;
     int lastActivityOffset;
     int lockTimeOffset;
+    int loginctlFails;
     bool mark;
     bool isLocked;
     char user[STRLEN];