#!~/.wine/drive_c/Python25/python.exe
# -*- coding: utf-8 -*-

# Copyright (c) 2009-2014, Mario Vilas
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# $Id: 03_heap_walking.py 1299 2013-12-20 09:30:55Z qvasimodo $

from winappdbg.win32 import *

def print_heap_blocks( pid ):

    # Determine if we have 32 bit or 64 bit pointers.
    if sizeof(SIZE_T) == sizeof(DWORD):
        fmt = "%.8x\t%.8x\t%.8x"
        hdr = "%-8s\t%-8s\t%-8s"
    else:
        fmt = "%.16x\t%.16x\t%.16x"
        hdr = "%-16s\t%-16s\t%-16s"

    # Print a banner.
    print "Heaps for process %d:" % pid
    print hdr % ("Heap ID", "Address", "Size")

    # Create a snapshot of the process, only take the heap list.
    hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPHEAPLIST, pid )

    # Enumerate the heaps.
    heap = Heap32ListFirst( hSnapshot )
    while heap is not None:

        # For each heap, enumerate the entries.
        entry = Heap32First( heap.th32ProcessID, heap.th32HeapID )
        while entry is not None:

            # Print the heap id and the entry address and size.
            print fmt % (entry.th32HeapID, entry.dwAddress, entry.dwBlockSize)

            # Next entry in the heap.
            entry = Heap32Next( entry )

        # Next heap in the list.
        heap = Heap32ListNext( hSnapshot )

    # No need to call CloseHandle, the handle is closed automatically when it goes out of scope.
    return

# When invoked from the command line,
# take the first argument as a process ID.
if __name__ == "__main__":
    import sys
    print_heap_blocks( int( sys.argv[1] ) )