#!/usr/bin/python3
# -*- coding: utf-8 -*-

# Hex dumper
# Copyright (c) 2009-2025, 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.

import sys

from winappdbg.textio import HexDump


def main():
    print("Hex dumper using WinAppDbg")
    print("by Mario Vilas (mvilas at gmail.com)")
    print()
    argv = sys.argv
    if len(argv) != 2:
        import os

        script = os.path.basename(argv[0])
        print("  %s <filename>" % script)
        return 1
    try:
        with open(argv[1], "rb") as fd:
            fd.seek(0, 2)
            size = fd.tell()
            fd.seek(0, 0)
            if size.bit_length() > 32:
                width = 8
            else:
                width = 16
            address = 0
            while True:
                data = fd.read(16)
                if not data:
                    break
                print(HexDump.hexblock(data, address=address, width=width))
                address = address + len(data)
        return 0
    except KeyboardInterrupt:
        return 130
    except Exception as e:
        print("Error: %s" % e, file=sys.stderr)
        return 1


if __name__ == "__main__":
    sys.exit(main())