Forcing Wine process to use a specific IP address

Keshav Attrey keshav at
Sun Jun 18 18:13:06 CDT 2006

I want to make a process running under Wine believe that its machine's IP 
address is whatever IP address I specify.  More specifically: I have set up 
several virtual interfaces on my machine. When I run a process under Wine, it by 
default uses the actual IP address of the machine, which is normal.  But I want 
to force the process to be able to see and use only the virtual IP address that 
I specify, and not the real IP address of the machine.

Do you have any ideas on how to do this?  I have been trying to go through the 
Wine source code, and have been looking in socket.c and iphlpapi_main.c, but I 
have not been able to find the right places to change to force Wine to use only 
one particular IP address.

The big idea is to run many copies of a Windows app on the same machine and make 
each copy think that it is running on a separate machine, each with its own IP 
address.  Although VMWare or QEMU would make this possible, Wine is so much 
lighter that I could have many more copies of Wine running than VMWare.  I 
imagine Wine would also be lighter than using Wine over Linux VServer or FreeBSD 
Jail... but I'm not quite sure.

Any ideas?


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