print("\tpathname = {}".format(pathname))
print("\taddresses = {}".format(addr))
print("\tpermisions = {}".format(perm))
print("\toffset = {}".format(offset))
print("\tinode = {}".format(inode))
# check if there is read and write permission
if perm[0] != 'r' or perm[1] != 'w':
print("[*] {} does not have read/write permission".format(pathname))
maps_file.close()
exit(0)
# get start and end of the heap in the virtual memory
addr = addr.split("-")
if len(addr) != 2: # never trust anyone, not even your OS :)
print("[*] Wrong addr format")
maps_file.close()
exit(1)
addr_start = int(addr[0], 16)
addr_end = int(addr[1], 16)
print("\tAddr start [{:x}] | end [{:x}]".format(addr_start, addr_end))
# open and read mem
try:
mem_file = open(mem_filename, 'rb+')
except IOError as e:
print("[ERROR] Can not open file {}:".format(mem_filename))
print(" I/O error({}): {}".format(e.errno, e.strerror))
maps_file.close()
exit(1)
# read heap
mem_file.seek(addr_start)
heap = mem_file.read(addr_end - addr_start)
# find string
try:
i = heap.index(bytes(search_string, "ASCII"))
except Exception:
print("Can't find '{}'".format(search_string))
maps_file.close()
mem_file.close()