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  • Committer: Teddy Hogeborn
  • Date: 2019-07-14 23:39:53 UTC
  • Revision ID: teddy@recompile.se-20190714233953-1zmsd3o062xloazt
Server bug fix: Allow restarts when using port= option

If the Mandos server is configured to use a specific TCP port to
listen to (by using the port= option in mandos.conf or the command
line --port option), that port becomes unusable for a time when the
Mandos server is restarted, making restarts fail.  Avoid this by, if a
port number is specified, using SO_REUSEADDR when binding the
listening TCP socket to a port number.

* mandos (IPv6_TCPServer.server_bind): Set self.allow_reuse_address if
                                       a port number is specified.

Reported-by: Juan Miguel Alcarria Herrera <juanmi@arco2000.es>

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                    raise
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        # Only bind(2) the socket if we really need to.
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        if self.server_address[0] or self.server_address[1]:
 
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            if self.server_address[1]:
 
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                self.allow_reuse_address = True
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            if not self.server_address[0]:
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                if self.address_family == socket.AF_INET6:
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                    any_address = "::"  # in6addr_any