After dist-upgrade from Ubuntu 19.10, xrdp package has wrong permissions for certificate files

[Jon Allen Boone]

/etc/xrdp/key.pem
/etc/xrdp/rsakeys.init
/etc/xrdp/cert.pem

were all owned by root, with mode 0600, but the 20.04 xrdp package runs xrdp as the user xrdp.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xrdp 0.9.12-1
ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30
Uname: Linux 5.4.0-29-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri May 8 11:14:47 2020
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: xrdp
UpgradeStatus: Upgraded to focal on 2020-05-08 (0 days ago)
modified.conffile..etc.xrdp.cert.pem: [inaccessible: [Errno 13] Permission denied: '/etc/xrdp/cert.pem']
modified.conffile..etc.xrdp.key.pem: [inaccessible: [Errno 13] Permission denied: '/etc/xrdp/key.pem']
modified.conffile..etc.xrdp.rsakeys.ini: [inaccessible: [Errno 13] Permission denied: '/etc/xrdp/rsakeys.ini']
mtime.conffile..etc.pam.d.xrdp-sesman: 2020-03-13T00:34:51.467047
mtime.conffile..etc.xrdp.startwm.sh: 2020-03-13T00:34:51.455046
mtime.conffile..etc.xrdp.xrdp.ini: 2020-03-13T00:37:52.146054

[Lenin (gagarin)]

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860890