From f2b5c1ff51b7c7876036c6c722e2a47b696695d9 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 8 May 2024 10:38:11 +0200
Subject: [PATCH] hostnamed: don't allow hostnamed to exit on idle if varlink
 connections are still ongoing

And while we are at it, ongoing PK authorizations are also a reason to
block exit on idle.

(cherry picked from commit ac908152b3b43a49f793d225c075423422cd3e33)
---
 src/hostname/hostnamed.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
index 82d08803fa..fe1216fc1c 100644
--- a/src/hostname/hostnamed.c
+++ b/src/hostname/hostnamed.c
@@ -1682,6 +1682,13 @@ static int connect_varlink(Context *c) {
         return 0;
 }
 
+static bool context_check_idle(void *userdata) {
+        Context *c = ASSERT_PTR(userdata);
+
+        return varlink_server_current_connections(c->varlink_server) == 0 &&
+                hashmap_isempty(c->polkit_registry);
+}
+
 static int run(int argc, char *argv[]) {
         _cleanup_(context_destroy) Context context = {
                 .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */
@@ -1731,8 +1738,8 @@ static int run(int argc, char *argv[]) {
                         context.bus,
                         "org.freedesktop.hostname1",
                         DEFAULT_EXIT_USEC,
-                        /* check_idle= */ NULL,
-                        /* userdata= */ NULL);
+                        context_check_idle,
+                        &context);
         if (r < 0)
                 return log_error_errno(r, "Failed to run event loop: %m");