Print access mask

am.py

import sys

"""
NTCreateFile DesiredAccess Masks

0x120189
0x100181
0x12019f
0x1200a0

"""

AccessMask = {
    0x0001: "FILE_READ_DATA",
    0x0001: "FILE_LIST_DIRECTORY",
    0x0002: "FILE_WRITE_DATA",
    0x0002: "FILE_ADD_FILE",
    0x0004: "FILE_APPEND_DATA",
    0x0004: "FILE_ADD_SUBDIRECTORY",
    0x0008: "FILE_READ_EA",
    0x0008: "FILE_READ_PROPERTIES",
    0x0010: "FILE_WRITE_EA",
    0x0010: "FILE_WRITE_PROPERTIES",
    0x0020: "FILE_EXECUTE",
    0x0020: "FILE_TRAVERSE",
    0x0040: "FILE_DELETE_CHILD",
    0x0080: "FILE_READ_ATTRIBUTES",
    0x0100: "FILE_WRITE_ATTRIBUTES",
    0x10000: "DELETE",
    0x20000: "READ_CONTROL",
    0x40000: "WRITE_DAC",
    0x80000: "WRITE_OWNER",
    0x100000: "SYNCHRONIZE"
}

try:
    input = int(sys.argv[1])
except ValueError:
    input = int(sys.argv[1], 16)

for mask in AccessMask:
    if input & mask:
        print AccessMask[mask]