def read_memory(self, address, nbytes, **kwargs):
"""
Reading from memory of the target
:param int address: The address to read from
:param int nbytes: The amount number of bytes to read
:return: The memory read
:rtype: str
:raise angr.errors.SimMemoryError
"""
LOGGER.debug("RevengeConcreteTarget read_memory at %x ", address)
# Check if it's mapped
if self._process.memory.maps[address] is None:
error = "RevengeConcreteTarget can't read_memory at address {address}. Page is not mapped.".format(
address=hex(address))
LOGGER.error(error)
raise SimConcreteMemoryError(error)
try:
out = self._process.memory[address:address + nbytes].bytes
except Exception as e:
error = "RevengeConcreteTarget can't read_memory at address {address}: {e}".format(
address=hex(address), e=e)
LOGGER.error(error)
raise SimConcreteMemoryError(error)
if out is None:
error = "RevengeConcreteTarget can't read_memory at address {address}".format(
address=hex(address))
LOGGER.error(error)
raise SimConcreteMemoryError(error)
return out
def write_memory(self,address, value, **kwargs):
# l.debug("AvatarGDBConcreteTarget write_memory at %x value %s " %(address, value.encode("hex")))
try:
res = self.target.write_memory(address, 1, value, raw=True)
if not res:
l.warning("AvatarGDBConcreteTarget failed write_memory at %x value %s" % (address,value))
raise SimConcreteMemoryError("AvatarGDBConcreteTarget failed write_memory to address %x" % (address))
except Exception as e:
l.warning("AvatarGDBConcreteTarget write_memory at %x value %s exception %s" % (address, value, e))
raise SimConcreteMemoryError("AvatarGDBConcreteTarget write_memory at %x value %s exception %s" % (address, str(value), e))
def write_memory(self, address, value, **kwargs):
"""
Writing to memory of the target
:param int address: The address from where the memory-write should start
:param bytes value: The actual value written to memory
:raise angr.errors.ConcreteMemoryError
"""
assert type(
value) is bytes, 'write_memory value is actually type {}'.format(
type(value))
l.debug("R2ConcreteTarget write_memory at %x value %s " %
(address, value))
try:
self.r2.cmd("w6d {} @ {}".format(
b64encode(value).decode(), hex(address)))
"""
if not res:
l.warning("R2ConcreteTarget failed write_memory at %x value %s"%(address,value))
raise SimConcreteMemoryError("R2ConcreteTarget failed write_memory to address %x" % (address))
"""
except Exception as e:
l.warning(
"R2ConcreteTarget write_memory at %x value %s exception %s" %
(address, value, e))
raise SimConcreteMemoryError(
"R2ConcreteTarget write_memory at %x value %s exception %s" %
(address, str(value), e))
def read_memory(self, address, nbytes, **kwargs):
try:
l.debug("AvatarGDBConcreteTarget read_memory at %x "%(address))
page_end = (address | (self.page_size-1)) + 1
if address + nbytes > page_end:
nbytes = page_end - address
res = self.target.read_memory(address, 1, int(nbytes), raw=True)
return res
except Exception as e:
l.debug("AvatarGDBConcreteTarget can't read_memory at address %x exception %s"%(address,e))
raise SimConcreteMemoryError("AvatarGDBConcreteTarget can't read_memory at address %x exception %s" % (address, e))
def write_memory(self,address, value, **kwargs):
"""
Writing to memory of the target
:param int address: The address from where the memory-write should start
:param bytes value: The actual value written to memory
:raise angr.errors.ConcreteMemoryError
"""
assert type(value) is bytes, 'write_memory value is actually type {}'.format(type(value))
try:
self.jlink.memory_write(address, value)
except Exception as e:
l.exception("JLinkConcreteTarget write_memory at %x value %s exception %s"%(address,value,e))
raise SimConcreteMemoryError("JLinkConcreteTarget write_memory at %x value %s exception %s" % (address, str(value), e))
def write_memory(self, address, value, **kwargs):
"""
Writing to memory of the target
:param int address: The address to start writing
:param str value: The actual value written to memory
:raise angr.errors.ConcreteMemoryError:
"""
try:
address = "0x{0:x}".format(address)
self.s.write_memory(address, xmlrpc.client.Binary(value))
except Exception as e:
msg = (
"ZelosConcreteTarget can't write_memory @ %s exception %s"
% (address, e)
)
l.debug(msg)
raise SimConcreteMemoryError(msg)
def read_memory(self, address, nbytes, **kwargs):
"""
Reading from memory of the target
:param int address: The address to read from
:param int nbytes: The amount number of bytes to read
:return: The memory read
:rtype: str
:raise angr.errors.SimMemoryError
"""
try:
if self.cpu_running_event.is_set():
pylink.JLinkException()
bs = self.jlink.memory_read(address, nbytes)
except pylink.JLinkException:
raise SimConcreteMemoryError(error)
return bytes(bs)
def read_memory(self, address, nbytes, **kwargs):
"""
Reading from memory of the target
:param int address: The address to read from
:param int nbytes: The amount number of bytes to read
:return: The memory read
:rtype: str
:raise angr.errors.SimMemoryError
"""
l.debug("R2ConcreteTarget read_memory at %x " % (address))
# Check if it's mapped
if self.r2.cmd('dm.@{}'.format(hex(address))) == '':
error = "R2ConcreteTarget can't read_memory at address {address}. Page is not mapped.".format(
address=hex(address))
l.error(error)
raise SimConcreteMemoryError(error)
return bytes(self.r2.cmdj('pxj {} @ {}'.format(nbytes, hex(address))))
def read_memory(self, address, nbytes, **kwargs):
"""
Reading from memory of the target
:param int address: The address to read from
:param int nbytes: The amount number of bytes to read
:return: The memory read
:rtype: bytes
:raise angr.errors.ConcreteMemoryError:
"""
try:
address = "0x{0:x}".format(address)
data = self.s.read_memory(address, nbytes)
return data.data
except Exception as e:
msg = (
"ZelosConcreteTarget can't read_memory @ %s exception %s"
% (address, e)
)
l.debug(msg)
raise SimConcreteMemoryError(msg)
