#!~/.wine/drive_c/Python25/python.exe

# Copyright (c) 2009-2010, Mario Vilas
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     * Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice,this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the copyright holder nor the names of its
#       contributors may be used to endorse or promote products derived from
#       this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# $Id$

from winappdbg import Debug, HexDump

def my_event_handler( event ):

    # Get the event name
    name = event.get_event_name()

    # Get the event code
    code = event.get_event_code()

    # Get the process ID where the event occured
    pid = event.get_pid()

    # Get the thread ID where the event occured
    tid = event.get_tid()

    # Get the value of EIP at the thread
    pc = event.get_thread().get_pc()

    # Show something to the user
    format_string = "%s (%s) at address %s, process %d, thread %d"
    message = format_string % ( name, HexDump.integer(code), HexDump.address(pc), pid, tid )
    print message

def simple_debugger( argv ):

    # Instance a Debug object, passing it the event handler callback
    debug = Debug( my_event_handler )
    try:

        # Start a new process for debugging
        debug.execv( argv )

        # Wait for the debugee to finish
        debug.loop()

    # Stop the debugger
    finally:
        debug.stop()

# When invoked from the command line,
# the first argument is an executable file,
# and the remaining arguments are passed to the newly created process
if __name__ == "__main__":
    import sys
    simple_debugger( sys.argv[1:] )