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  • Committer: Teddy Hogeborn
  • Date: 2019-07-30 17:03:57 UTC
  • mto: This revision was merged to the branch mainline in revision 384.
  • Revision ID: teddy@recompile.se-20190730170357-jte0piul5mq7j5pr
Server: Reap zombies created by multiprocessing.Process()

When creating checkers as multiprocessing.Process() objects, the
multiprocessing module also creates a parent process (for the
call_pipe() function) to call the actual checker process, but this
parent process is not reaped.  This is not a huge problem, since the
zombie is always reaped automatically the next time the multiprocess
starts a new process, but the zombies can be up to as many as there
have ever been simultaneous checker processes.  To fix this, the
process object must be join():ed when they report completion of the
child checker process.

* mandos (Client): Fix doc string to correctly state that
                   Client.checker is a multiprocess.Process() and not
                   a subprocess.Popen() object.
  (Client.checker_callback): After the returncode of the checker
                             process has been read, wait for the
                             self.checker Process object to finish by
                             calling join() on it.

Reported-by: Peter Palfrader <weasel@debian.org>

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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY CONFNAME "mandos.conf">
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<!ENTITY CONFPATH "<filename>/etc/mandos/mandos.conf</filename>">
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<!ENTITY TIMESTAMP "2019-02-10">
 
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<!ENTITY TIMESTAMP "2019-06-20">
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<!ENTITY % common SYSTEM "common.ent">
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%common;
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]>
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      <programlisting>
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[DEFAULT]
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# A configuration example
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interface = eth0
 
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interface = enp1s0
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address = fe80::aede:48ff:fe71:f6f2
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port = 1025
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debug = True
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priority = SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA
 
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priority = SECURE128:!CTYPE-X.509:+CTYPE-RAWPK:!RSA:!VERS-ALL:+VERS-TLS1.3:%PROFILE_ULTRA
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servicename = Daena
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use_dbus = False
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use_ipv6 = True