netbase update-inetd bug #282147, #236917, #275790 Workaround?

[Gerhard Gaußling <ggrubbish@web.de>]

Hallo,

ich habe ein Problem mit einem dist-upgrade meines sarge/SID wegen der 
netbase bugs #282147, #236917, #275790.

Setting up cupsys-bsd (1.1.22-1) ...
Couldn't reopen stdin at /usr/sbin/update-inetd line 29.
dpkg: error processing cupsys-bsd (--configure):
 subprocess post-installation script returned error exit status 5
[...]
Errors were encountered while processing:
 cupsys-bsd
 cvs
 proftpd
E: Sub-process /usr/bin/dpkg returned an error code (1)

Der selbe Fehler also bei cvs und proftp.

Nach dem ich die Bugreports [1] las habe ich folgendes versucht:

Ich habe in /usr/sbin/update-inetd folgende 2 Zeilen eingefügt, ohne 
Erfolg (kein wunder akls Nicht-Programmierer):

DEBIAN_FRONTEND=noninteractive
export DEBIAN_FRONTEND

und zwar vor diesem Bereich:

25 # hack to make update-inetd work in a script which calls debconf
26 if($ENV{DEBIAN_HAS_FRONTEND}) {
27    my $file = ($ENV{DEBIAN_FRONTEND} eq 'noninteractive') ?
28        '/dev/null' : '/dev/tty'; # see 4.13 changelog entry
29    open(STDIN,  "<$file") or die "Couldn't reopen stdin";
30    open(STDOUT, ">$file") or die "Couldn't reopen stdout";
31    open(STDERR, ">$file") or die "Couldn't reopen stderr";
32 }

Daraus folgt:

dpkg: error processing proftpd (--configure):
 subprocess post-installation script returned error exit status 9
Setting up cupsys-bsd (1.1.22-1) ...
Can't modify constant item in scalar assignment 
at /usr/sbin/update-inetd line 29, near "DEBIAN_FRONTEND

# hack to make update-inetd work in a script which calls debconf
if"
syntax error at /usr/sbin/update-inetd line 29, near ") {"
Execution of /usr/sbin/update-inetd aborted due to compilation errors.
dpkg: error processing cupsys-bsd (--configure):
 subprocess post-installation script returned error exit status 9
Errors were encountered while processing:
 cvs
 proftpd
 cupsys-bsd

Line 29 entspricht line 26 aus oben aufgeführten Code-Ausschnitt (wegen 
der eingefügten Zeilen zu DEBIAN_FRONTEND).

Weiß jemand, wie ich cvs, proftpd und cupsys-bsd richtig installiert 
bekomme (post-installation script) ?

ciao

Gerhard

[1]
    bugs in netbase:
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=282147
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=236917
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=275790
   
cvs/unstable uptodate 1:1.12.9-7
proftpd/unstable uptodate 1.2.10-7
cupsys-bsd/unstable uptodate 1.1.22-1