sysusers,tmpfiles: re-create systemd-network, systemd-resolve and sys…

…temd-timesync

This partially reverts d4e9e57,
0187368, and
4240cb0.
The services systemd-networkd, systemd-resolved, and systemd-timesyncd
enable DynamicUsers= and have bus interfaces. Unfortunately, these
has many problems now. Let us create the relevant users, at least,
tentatively.

Fixes #9503.

sysusers.d/systemd.conf.m4

@@ -6,6 +6,15 @@
 #  (at your option) any later version.
 
 g systemd-journal   - -
+m4_ifdef(`ENABLE_NETWORKD',
+u systemd-network   - "systemd Network Management"
+)m4_dnl
+m4_ifdef(`ENABLE_RESOLVE',
+u systemd-resolve   - "systemd Resolver"
+)m4_dnl
+m4_ifdef(`ENABLE_TIMESYNCD',
+u systemd-timesync  - "systemd Time Synchronization"
+)m4_dnl
 m4_ifdef(`ENABLE_COREDUMP',
 u systemd-coredump  - "systemd Core Dumper"
 )m4_dnl

tmpfiles.d/systemd.conf.m4

@@ -17,9 +17,9 @@ d /run/systemd/users 0755 root root -
 d /run/systemd/machines 0755 root root -
 d /run/systemd/shutdown 0755 root root -
 m4_ifdef(`ENABLE_NETWORKD',
-d /run/systemd/netif 0755 - - -
-d /run/systemd/netif/links 0755 - - -
-d /run/systemd/netif/leases 0755 - - -
+d /run/systemd/netif 0755 systemd-network systemd-network -
+d /run/systemd/netif/links 0755 systemd-network systemd-network -
+d /run/systemd/netif/leases 0755 systemd-network systemd-network -
 )m4_dnl
 
 d /run/log 0755 root root -