# coding=utf-8
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import ctypes
from typing import Optional
from . import _binaryninjacore as core
from . import project
from . import types
[docs]class ExternalLibrary:
"""
An ExternalLibrary is an abstraction for a library that is optionally backed by a ProjectFile.
"""
def __init__(self, handle: core.BNExternalLibrary):
self._handle = handle
def __del__(self):
if core is not None:
core.BNFreeExternalLibrary(self._handle)
def __repr__(self) -> str:
return f'<ExternalLibrary: {self.name}>'
def __str__(self) -> str:
return f'<ExternalLibrary: {self.name}>'
@property
def name(self) -> str:
"""
Get the name of this external library
:return: The name of this external library
"""
return core.BNExternalLibraryGetName(self._handle) # type: ignore
@property
def backing_file(self) -> Optional[project.ProjectFile]:
"""
Get the file backing this external library
:return: The file backing this external library or None
"""
handle = core.BNExternalLibraryGetBackingFile(self._handle)
if handle is None:
return None
return project.ProjectFile(handle)
@backing_file.setter
def backing_file(self, new_file: Optional[project.ProjectFile]):
"""
Set the file backing this external library
:param new_file: The file that will back this external library
"""
new_file_handle = None
if new_file is not None:
new_file_handle = new_file._handle
core.BNExternalLibrarySetBackingFile(self._handle, new_file_handle)
[docs]class ExternalLocation:
"""
An ExternalLocation is an association from a source symbol in a binary view to a target symbol and/or address in an ExternalLibrary.
"""
def __init__(self, handle: core.BNExternalLocation):
self._handle = handle
def __del__(self):
if core is not None:
core.BNFreeExternalLocation(self._handle)
def __repr__(self) -> str:
return f'<ExternalLocation: {self.source_symbol}>'
def __str__(self) -> str:
return f'<ExternalLocation: {self.source_symbol}>'
@property
def source_symbol(self) -> 'types.CoreSymbol':
"""
Get the source symbol for this ExternalLocation
:return: The source symbol for this ExternalLocation
"""
sym = core.BNExternalLocationGetSourceSymbol(self._handle)
assert sym is not None, "core.BNExternalLocationGetSourceSymbol returned None"
return types.CoreSymbol(sym)
@property
def has_target_address(self) -> bool:
"""
Check if this ExternalLocation has a target address
:return: True is this ExternalLocation has a target address, False otherwise
"""
return core.BNExternalLocationHasTargetAddress(self._handle)
@property
def has_target_symbol(self) -> bool:
"""
Check if this ExternalLocation has a target symbol
:return: True is this ExternalLocation has a target symbol, False otherwise
"""
return core.BNExternalLocationHasTargetSymbol(self._handle)
@property
def target_address(self) -> Optional[int]:
"""
Get the address pointed to by this ExternalLocation
:return: The address pointed to by this ExternalLocation if one exists, None otherwise
"""
if not self.has_target_address:
return None
return core.BNExternalLocationGetTargetAddress(self._handle)
@target_address.setter
def target_address(self, new_address: Optional[int]) -> bool:
"""
Set the address pointed to by this ExternalLocation.
ExternalLocations must have a valid target address and/or symbol set.
:param new_address: The address that this ExternalLocation will point to
:return: True if the address was set, False otherwise
"""
c_addr = None
if new_address is not None:
c_addr = ctypes.c_ulonglong(new_address)
return core.BNExternalLocationSetTargetAddress(self._handle, c_addr)
@property
def target_symbol(self) -> Optional[str]:
"""
Get the symbol pointed to by this ExternalLocation
:return: The symbol pointed to by this ExternalLocation if one exists, None otherwise
"""
if not self.has_target_symbol:
return None
return core.BNExternalLocationGetTargetSymbol(self._handle)
@target_symbol.setter
def target_symbol(self, new_symbol: Optional[str]) -> bool:
"""
Set the symbol pointed to by this ExternalLocation.
ExternalLocations must have a valid target address and/or symbol set.
:param new_symbol: The raw symbol that this ExternalLocation will point to
:return: True if the symbol was set, False otherwise
"""
return core.BNExternalLocationSetTargetSymbol(self._handle, new_symbol)
@property
def library(self) -> Optional[ExternalLibrary]:
"""
Get the ExternalLibrary that this ExternalLocation targets
:return: The ExternalLibrary pointed in to by this ExternalLocation if one exists, None otherwise
"""
handle = core.BNExternalLocationGetExternalLibrary(self._handle)
if handle is None:
return None
return ExternalLibrary(handle)
@library.setter
def library(self, new_library: Optional[ExternalLibrary]):
"""
Set the ExternalLibrary that this ExternalLocation targets
:param new_library: The ExternalLibrary that this ExternalLocation will pointed in to
"""
lib_handle = new_library._handle if new_library is not None else None
return core.BNExternalLocationSetExternalLibrary(self._handle, lib_handle)