def get_str(field): if isinstance(field, Array): res = field._array_to_str() elif isinstance(field, Char): res = chr(PYVAL(field)) else: res = get_value(field) return utils.string(res)
def get_str(field): if isinstance(field, Array): res = field._array_to_str() elif isinstance(field, Char): res = chr(PYVAL(field)) else: res = get_value(field) return utils.string(res)
def do_peek(self, args):
"""Peek at the next 16 bytes in the stream::
Example:
The peek command will display the next 16 hex bytes in the input
stream::
pfp> peek
89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 .PNG........IHDR
"""
s = self._interp._stream
# make a copy of it
pos = s.tell()
saved_bits = collections.deque(s._bits)
data = s.read(0x10)
s.seek(pos, 0)
s._bits = saved_bits
parts = ["{:02x}".format(ord(data[x:x + 1])) for x in range(len(data))]
if len(parts) != 0x10:
parts += [" "] * (0x10 - len(parts))
hex_line = " ".join(parts)
res = utils.binary("")
for x in range(len(data)):
char = data[x:x + 1]
val = ord(char)
if 0x20 <= val <= 0x7E:
res += char
else:
res += utils.binary(".")
if len(res) < 0x10:
res += utils.binary(" " * (0x10 - len(res)))
res = "{} {}".format(hex_line, utils.string(res))
if len(saved_bits) > 0:
reverse_bits = reversed(list(saved_bits))
print("bits: {}".format(" ".join(str(x) for x in reverse_bits)))
print(res)
def do_peek(self, args):
"""Peek at the next 16 bytes in the stream::
Example:
The peek command will display the next 16 hex bytes in the input
stream::
pfp> peek
89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 .PNG........IHDR
"""
s = self._interp._stream
# make a copy of it
pos = s.tell()
saved_bits = collections.deque(s._bits)
data = s.read(0x10)
s.seek(pos, 0)
s._bits = saved_bits
parts = ["{:02x}".format(ord(data[x:x+1])) for x in range(len(data))]
if len(parts) != 0x10:
parts += [" "] * (0x10 - len(parts))
hex_line = " ".join(parts)
res = utils.binary("")
for x in range(len(data)):
char = data[x:x+1]
val = ord(char)
if 0x20 <= val <= 0x7e:
res += char
else:
res += utils.binary(".")
if len(res) < 0x10:
res += utils.binary(" " * (0x10 - len(res)))
res = "{} {}".format(hex_line, utils.string(res))
if len(saved_bits) > 0:
reverse_bits = reversed(list(saved_bits))
print("bits: {}".format(" ".join(str(x) for x in reverse_bits)))
print(res)
