[CF-Devel] CVS nov28

[Todd Mitchell]

Turned out to be a permission thing and my own stupidity.
Thanks for the pointer.

----- Original Message -----
From: "Tim Rightnour" <
     
     root at garbled.net
     
     >
To: <
     
     crossfire-devel at lists.real-time.com
     
     >
Sent: Thursday, November 28, 2002 2:45 AM
Subject: RE: [CF-Devel] CVS nov28


>
     
     
     >
     
      On 28-Nov-02 Todd Mitchell wrote:
     
     >
     
      > any ideas?   Build looks normal to my untrained eye, I ran it a few
     
     times
>
     
      > through to see if I had missed something.
     
     >
     
     
     >
     
      I see this on NetBSD all the time.  usually I have to wait 1-2 minutes for
     
     the
>
     
      old sockets to close out.  Unfortunately, CF uses SO_REUSEPORT.. which in
     
     >
     
      netbsd:
     
     >
     
      bind(2):
     
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      SECURITY CONSIDERATIONS
     
     >
     
           bind() was changed in NetBSD 1.4 to prevent the binding of a socket
     
     to
>
     
           the same port as an existing socket when all of the following is
     
     true:
>
     
                 o   either of the existing or new addresses is INADDR_ANY,
     
     >
     
                 o   the uid of the new socket is not root, and the uids of the
     
     cre-
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                     ators of the sockets are different,
     
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                 o   the address is not a multicast address, and
     
     >
     
                 o   both sockets are not bound to INADDR_ANY with SO_REUSEPORT
     
     set.
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           This prevents an attack where a user could bind to a port with the
     
     host's
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           IP address (after setting SO_REUSEADDR) and `steal' packets destined
     
     for
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           a server that bound to the same port with INADDR_ANY.
     
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     >
     
      Perhaps other OS's have done the same more recently?
     
     >
     
     
     >
     
      ---
     
     >
     
      Tim Rightnour <
      
      root at garbled.net
      
      >
     
     >
     
      NetBSD: Free multi-architecture OS 
      
      http://www.netbsd.org/
      
      
     >
     
      NetBSD supported hardware database:
     
     
     http://mail-index.netbsd.org/cgi-bin/hw.cgi
     
     
>
     
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