# Copyright (c) 2009, Mario Vilas
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# $Id: example11.py 154 2009-05-15 22:52:09Z qvasimodo $

# Example #11
# http://apps.sourceforge.net/trac/winappdbg/wiki/wiki/Instrumentation#Example11:resolveanAPIfunctioninaprocess

from winappdbg import Process, System

def print_api_address( pid, modName, procName ):

    # Request debug privileges
    System.request_debug_privileges()

    # Instance a Process object
    process = Process( pid )

    # Lookup it's modules
    process.scan_modules()

    # Get the module
    module = process.get_module_by_name( modName )
    if not module:
        print "Module not found: %s" % modName
        return

    # Resolve the requested API function address
    address = module.resolve( procName )

    # Print the address
    if address:
        print "%s!%s == 0x%.08x" % ( modName, procName, address )
    else:
        print "Could not resolve %s in module %s" % (procName, modName)

# When invoked from the command line,
# the first argument is a process ID,
# the second argunemt is a module name,
# the third argument is a procedure name
if __name__ == "__main__":
    import sys
    pid      = int( sys.argv[1] )
    modName  = sys.argv[2]
    procName = sys.argv[3]
    print_api_address( pid, modName, procName )
