JorgeVB/code_unlearning_dataset · Datasets at Hugging Face

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Determine if this SimIRSB has an indirect jump as its exit def _is_indirect_jump(_, sim_successors): """ Determine if this SimIRSB has an indirect jump as its exit """ if sim_successors.artifacts['irsb_direct_next']: # It's a direct jump return False de...
Check if the specific address is in one of the executable ranges. :param int address: The address :return: True if it's in an executable range, False otherwise def _is_address_executable(self, address): """ Check if the specific address is in one of the executable ranges. :par...
Get where a specific function is called. :param function_address: Address of the target function :return: A list of CFGNodes whose exits include a call/jump to the given function def _get_callsites(self, function_address): """ Get where a specific function is calle...
Get the possible (networkx) simple paths between two nodes or addresses corresponding to nodes. Input: addresses or node instances Return: a list of lists of nodes representing paths. def _get_nx_paths(self, begin, end): """ Get the possible (networkx) simple paths between two n...
Perform a quasi-topological sort on an already constructed CFG graph (a networkx DiGraph) :return: None def _quasi_topological_sort(self): """ Perform a quasi-topological sort on an already constructed CFG graph (a networkx DiGraph) :return: None """ # Clear the exist...
Reset the state mode to the given mode, and apply the custom state options specified with this analysis. :param state: The state to work with. :param str mode: The state mode. :return: None def _reset_state_mode(self, state, mode): """ Reset the state mode to the giv...
Mark a certain label as assigned (to an instruction or a block of data). :param int addr: The address of the label. :param angr.analyses.reassembler.Label label: The label that is just assigned. :return: None def label_got(self, addr, label): """ Mark a...
Try to classify an immediate as a pointer. :param int imm: The immediate to test. :param int operand_type: Operand type of this operand, can either be IMM or MEM. :param str mnemonic: Mnemonic of the instruction that this operand belongs to. :return: A tuple of (is code reference, is da...
Get function name from the labels of the very first block. :return: Function name if there is any, None otherwise :rtype: string def name(self): """ Get function name from the labels of the very first block. :return: Function name if there is any, None otherwise :rtype: ...
If this function is a PLT entry or not. :return: True if this function is a PLT entry, False otherwise :rtype: bool def is_plt(self): """ If this function is a PLT entry or not. :return: True if this function is a PLT entry, False otherwise :rtype: bool """ ...
Get the assembly manifest of the procedure. :param comments: :param symbolized: :return: A list of tuples (address, basic block assembly), ordered by basic block addresses :rtype: list def assembly(self, comments=False, symbolized=True): """ Get the assembly manifest of...
Get all instruction addresses in the binary. :return: A list of sorted instruction addresses. :rtype: list def instruction_addresses(self): """ Get all instruction addresses in the binary. :return: A list of sorted instruction addresses. :rtype: list """ ...
Determines if we want to output the function label in assembly. We output the function label only when the original instruction does not output the function label. :return: True if we should output the function label, False otherwise. :rtype: bool def _output_function_label(self): """ ...
Reduce the size of this block :param int new_size: The new size :return: None def shrink(self, new_size): """ Reduce the size of this block :param int new_size: The new size :return: None """ self.size = new_size if self.sort == 'string': ...
We believe this was a pointer and symbolized it before. Now we want to desymbolize it. The following actions are performed: - Reload content from memory - Mark the sort as 'unknown' :return: None def desymbolize(self): """ We believe this was a pointer and symbolized i...
Sometimes there exists a pointer that points to a few bytes before the beginning of a section, or a few bytes after the beginning of the section. We take care of that here. :param int addr: The address to check. :return: A 2-tuple of (bool, the closest base address) :rtype: tuple def m...
Sometimes there exists a pointer that points to a few bytes before the beginning of a section, or a few bytes after the beginning of the section. We take care of that here. :param int addr: The address to check. :return: A 2-tuple of (bool, the closest base address) :rtype: tuple def m...
Add a new label to the symbol manager. :param str name: Name of the label. :param int addr: Address of the label. :return: None def add_label(self, name, addr): """ Add a new label to the symbol manager. :param str name: Name of the label. :param int addr: Addr...
Insert some assembly code at the specific address. There must be an instruction starting at that address. :param int addr: Address of insertion :param str asm_code: The assembly code to insert :return: None def insert_asm(self, addr, asm_code, before_label=False): """ Insert so...
Add a new procedure with specific name and assembly code. :param str name: The name of the new procedure. :param str asm_code: The assembly code of the procedure :return: None def append_procedure(self, name, asm_code): """ Add a new procedure with specific name and assembly co...
Append a new data entry into the binary with specific name, content, and size. :param str name: Name of the data entry. Will be used as the label. :param bytes initial_content: The initial content of the data entry. :param int size: Size of the data entry. :param bool readonly: If the d...
Remove CGC attachments. :return: True if CGC attachments are found and removed, False otherwise :rtype: bool def remove_cgc_attachments(self): """ Remove CGC attachments. :return: True if CGC attachments are found and removed, False otherwise :rtype: bool """ ...
Remove unnecessary functions and data :return: None def remove_unnecessary_stuff(self): """ Remove unnecessary functions and data :return: None """ glibc_functions_blacklist = { '_start', '_init', '_fini', '__gmon_start_...
Initialize the binary. :return: None def _initialize(self): """ Initialize the binary. :return: None """ # figure out section alignments for section in self.project.loader.main_object.sections: in_segment = False for segment in self.pro...
Find sequences in binary data. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int data_addr: Address of the data in memory. :param int ma...
Identifies the CGC package list associated with the CGC binary. :param int data_addr: Address of the data in memory. :param int data_size: Maximum size possible. :return: A 2-tuple of data type and size. :rtype: tuple def _cgc_package_list_identifier(self, data_addr, data_size): ...
Identifies the extended application (a PDF file) associated with the CGC binary. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int data_addr: Ad...
Return the maximum number of bytes until a potential pointer or a potential sequence is found. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int...
Test if there is any (suspicious) pointer decryption in the code. :return: True if there is any pointer decryption, False otherwise. :rtype: bool def _has_integer_used_as_pointers(self): """ Test if there is any (suspicious) pointer decryption in the code. :return: True if the...
Load memory bytes from loader's memory backend. :param int addr: The address to begin memory loading. :param int size: Size in bytes. :param data_type: Type of the data. :param str endness: Endianness of this memory load. :return: Data read out of the memory. ...
Merge two abstract states. For any node A whose dominance frontier that the current node (at the current program location) belongs to, we create a phi variable V' for each variable V that is defined in A, and then replace all existence of V with V' in the merged abstract state. :param ...
Scan through all statements and perform the following tasks: - Find stack pointers and the VEX temporary variable storing stack pointers - Selectively calculate VEX statements - Track memory loading and mark stack and global variables accordingly :param angr.Block block: :return...
Make a shallow copy of a directional graph and reverse the edges. This is a workaround to solve the issue that one cannot easily make a shallow reversed copy of a graph in NetworkX 2, since networkx.reverse(copy=False) now returns a GraphView, and GraphViews are always read-only. :param networkx.DiGraph g:...
Do a DFS traversal of the graph, and return with the back edges. Note: This is just a naive recursive implementation, feel free to replace it. I couldn't find anything in networkx to do this functionality. Although the name suggest it, but `dfs_labeled_edges` is doing something different. :param graph...
Compute a dominance frontier based on the given post-dominator tree. This implementation is based on figure 2 of paper An Efficient Method of Computing Static Single Assignment Form by Ron Cytron, etc. :param graph: The graph where we want to compute the dominance frontier. :param domtree: The domin...
Return the successors of a node in the graph. This method can be overriden in case there are special requirements with the graph and the successors. For example, when we are dealing with a control flow graph, we may not want to get the FakeRet successors. :param graph: The graph. :param...
Find post-dominators for each node in the graph. This implementation is based on paper A Fast Algorithm for Finding Dominators in a Flow Graph by Thomas Lengauer and Robert E. Tarjan from Stanford University, ACM Transactions on Programming Languages and Systems, Vol. 1, No. 1, July 1979 def _...
A dumb and simple way to conveniently aggregate all loggers. Adds attributes to this instance of each registered logger, replacing '.' with '_' def load_all_loggers(self): """ A dumb and simple way to conveniently aggregate all loggers. Adds attributes to this instance of each registe...
Perform execution with a state. :param state: The state with which to execute :param procedure: An instance of a SimProcedure to run :param ret_to: The address to return to when this procedure is finished :param inline: This is an inline execution. Do not bother copyin...
:return: Default value for array elements. def get_default_value(self, state): """ :return: Default value for array elements. """ if self._default_value_generator: return self._default_value_generator(state) else: return state.project.simos.get_default_va...
Add a function `func` and all blocks of this function to the blanket. def add_function(self, func): """ Add a function `func` and all blocks of this function to the blanket. """ for block in func.blocks: self.add_obj(block.addr, block)
The debugging representation of this CFBlanket. :return: The debugging representation of this CFBlanket. :rtype: str def dbg_repr(self): """ The debugging representation of this CFBlanket. :return: The debugging representation of this CFBlanket. :rtype: s...
Initialize CFBlanket from a CFG instance. :param cfg: A CFG instance. :return: None def _from_cfg(self, cfg): """ Initialize CFBlanket from a CFG instance. :param cfg: A CFG instance. :return: None """ # Let's first add all functions first ...
Mark all unmapped regions. :return: None def _mark_unknowns(self): """ Mark all unmapped regions. :return: None """ for obj in self.project.loader.all_objects: if isinstance(obj, cle.ELF): # sections? if obj.sections: ...
:param flag_page: Flag page content, either a string or a list of BV8s def state_blank(self, flag_page=None, kwargs): """ :param flag_page: Flag page content, either a string or a list of BV8s """ s = super(SimCGC, self).state_blank(kwargs) # pylint:disable=invalid-name ...
Test whether a statement is inside the loop body or not. :param stmt_idx: :return: def _stmt_inside_loop(self, stmt_idx): """ Test whether a statement is inside the loop body or not. :param stmt_idx: :return: """ # TODO: This is slow. Fix the performan...
Iterator based check. With respect to a certain variable/value A, - there must be at least one exit condition being A//Iterator//HasNext == 0 - there must be at least one local that ticks the iterator next: A//Iterator//Next def _is_bounded_iterator_based(self): """ Iterator ba...
Overwrite existing definitions w.r.t 'atom' with a dummy definition instance. A dummy definition will not be removed during simplification. :param Atom atom: :param CodeLocation code_loc: :param object data: :return: None def kill_definitions(self, atom, code_loc, data=None, du...
Create an entry state. :param args: List of SootArgument values (optional). def state_entry(self, args=None, kwargs): # pylint: disable=arguments-differ """ Create an entry state. :param args: List of SootArgument values (optional). """ state = self.state_blank(kwa...
Generates a new symbolic cmd line argument string. :return: The string reference. def generate_symbolic_cmd_line_arg(state, max_length=1000): """ Generates a new symbolic cmd line argument string. :return: The string reference. """ str_ref = SimSootValue_StringRef(state....
Create a native or a Java call state. :param addr: Soot or native addr of the invoke target. :param args: List of SootArgument values. def state_call(self, addr, args, *kwargs): """ Create a native or a Java call state. :param addr: Soot or native addr of the invoke ...
Java specify defaults values for primitive and reference types. This method returns the default value for a given type. :param str type_: Name of type. :return: Default value for this type. def get_default_value_by_type(type_, state=None): """ Java specify defaults...
Cast the value of primtive types. :param value: Bitvector storing the primitive value. :param to_type: Name of the targeted type. :return: Resized value. def cast_primitive(state, value, to_type): """ Cast the value of primtive types. :param value:...
Initialize the static field with an allocated, but not initialized, object of the given type. :param state: State associated to the field. :param field_class_name: Class containing the field. :param field_name: Name of the field. :param field_type: Type of the field and the new ...
Get address of the implementation from a native declared Java function. :param soot_method: Method descriptor of a native declared function. :return: CLE address of the given method. def get_addr_of_native_method(self, soot_method): """ Get address of the implementation from a native d...
Maps the Java type to a SimTypeReg representation of its native counterpart. This type can be used to indicate the (well-defined) size of native JNI types. :return: A SymTypeReg with the JNI size of the given type. def get_native_type(self, java_type): """ Maps the Java type to...
:return: SimCC object for the native simos. def get_native_cc(self, func_ty=None): """ :return: SimCC object for the native simos. """ native_cc_cls = DEFAULT_CC[self.native_simos.arch.name] return native_cc_cls(self.native_simos.arch, func_ty=func_ty)
Fill the class with constrained symbolic values. def fill_symbolic(self): """ Fill the class with constrained symbolic values. """ self.wYear = self.state.solver.BVS('cur_year', 16, key=('api', 'GetLocalTime', 'cur_year')) self.wMonth = self.state.solver.BVS('cur_month', 16, key...
Fill the class with the appropriate values extracted from the given timestamp. :param ts: A POSIX timestamp. def fill_from_timestamp(self, ts): """ Fill the class with the appropriate values extracted from the given timestamp. :param ts: A POSIX timestamp. """ dt = d...
Initialize this AnnotatedCFG object with a networkx.DiGraph consisting of the following form of nodes: Tuples like (block address, statement ID) Those nodes are connected by edges indicating the execution flow. :param networkx.DiGraph digraph: A networkx.DiGraph object def from_digra...
:returns: True if all statements are whitelisted def get_whitelisted_statements(self, addr): """ :returns: True if all statements are whitelisted """ if addr in self._run_statement_whitelist: if self._run_statement_whitelist[addr] is True: return None # This ...
Pretty-print an IRSB with whitelist information def dbg_print_irsb(self, irsb_addr, project=None): """ Pretty-print an IRSB with whitelist information """ if project is None: project = self._project if project is None: raise Exception("Dict addr_to_run ...
Given a path, returns True if the path should be kept, False if it should be cut. def keep_path(self, path): """ Given a path, returns True if the path should be kept, False if it should be cut. """ if len(path.addr_trace) < 2: return True return self.should_take_ex...
Callback routine that takes in a path, and returns all feasible successors to path group. This callback routine should be passed to the keyword argument "successor_func" of PathGroup.step(). :param path: A Path instance. :return: A list of all feasible Path successors. def successor_func(self,...
Convert to a ValueSet instance :param state: A state :return: The converted ValueSet instance def to_valueset(self, state): """ Convert to a ValueSet instance :param state: A state :return: The converted ValueSet instance """ return state.solver.VS(stat...
Add a mapping between an absolute address and a region ID. If this is a stack region map, all stack regions beyond (lower than) this newly added regions will be discarded. :param absolute_address: An absolute memory address. :param region_id: ID of the memory region...
Removes a mapping based on its absolute address. :param absolute_address: An absolute address def unmap_by_address(self, absolute_address): """ Removes a mapping based on its absolute address. :param absolute_address: An absolute address """ desc = self._address_to_re...
Convert a relative address in some memory region to an absolute address. :param region_id: The memory region ID :param relative_address: The relative memory offset in that memory region :return: An absolute address if converted, or an exception is raised when reg...
Convert an absolute address to the memory offset in a memory region. Note that if an address belongs to heap region is passed in to a stack region map, it will be converted to an offset included in the closest stack frame, and vice versa for passing a stack address to a heap region. Therefore y...
Return the category of this SimMemory instance. It can be one of the three following categories: reg, mem, or file. def category(self): """ Return the category of this SimMemory instance. It can be one of the three following categories: reg, mem, or file. """ if self.id...
Call the set_state method in SimStatePlugin class, and then perform the delayed initialization. :param state: The SimState instance def set_state(self, state): """ Call the set_state method in SimStatePlugin class, and then perform the delayed initialization. :param state: The SimStat...
Make an AST out of concrete @data_e def _convert_to_ast(self, data_e, size_e=None): """ Make an AST out of concrete @data_e """ if type(data_e) is bytes: # Convert the string into a BVV, regardless of endness bits = len(data_e) * self.state.arch.byte_width ...
Create a new mapping between an absolute address (which is the base address of a specific stack frame) and a region ID. :param absolute_address: The absolute memory address. :param region_id: The region ID. :param related_function_address: Related function address. def set_stack_addres...
Remove a stack mapping. :param absolute_address: An absolute memory address, which is the base address of the stack frame to destroy. def unset_stack_address_mapping(self, absolute_address): """ Remove a stack mapping. :param absolute_address: An absolute memory address, which is the ...
Return a memory region ID for a function. If the default region ID exists in the region mapping, an integer will appended to the region name. In this way we can handle recursive function calls, or a function that appears more than once in the call frame. This also means that `stack_id()` should...
Stores content into memory. :param addr: A claripy expression representing the address to store at. :param data: The data to store (claripy expression or something convertable to a claripy expression). :param size: A claripy expression representing the size of the data to s...
Stores content into memory, conditional by case. :param addr: A claripy expression representing the address to store at. :param contents: A list of bitvectors, not necessarily of the same size. Use None to denote an empty write. :param condition...
Loads size bytes from dst. :param dst: The address to load from. :param size: The size (in bytes) of the load. :param condition: A claripy expression representing a condition for a conditional load. :param fallback: A fallback value if the condition e...
Returns the address of bytes equal to 'what', starting from 'start'. Note that, if you don't specify a default value, this search could cause the state to go unsat if no possible matching byte exists. :param addr: The start address. :param what: What to search for;...
Copies data within a memory. :param dst: A claripy expression representing the address of the destination :param src: A claripy expression representing the address of the source The following parameters are optional. :param src_memory: Copy data from this SimMemory in...
Gets vfg node at @addr Returns VFGNode or None def _vfg_node(self, addr): """ Gets vfg node at @addr Returns VFGNode or None """ for n in self._vfg._nodes.values(): if n.addr == addr: return n raise DataGraphError("No VFG node at 0x%x"...
Pretty print the graph. @imarks determine whether the printed graph represents instructions (coarse grained) for easier navigation, or exact statements. def pp(self, imarks=False): """ Pretty print the graph. @imarks determine whether the printed graph represents instructions...
Recursive function, it branches in every possible path in the VFG. @live_defs: a dict {addr:stmt} of live definitions at the start point @node: the starting vfg node Returns: the address of the block where the execution stops def _branch(self, live_defs, node, path=""): """ Rec...
Get a list of abstract locations that is within the range of [addr, addr + size] This implementation is pretty slow. But since this method won't be called frequently, we can live with the bad implementation for now. :param addr: Starting address of the memory region. :param size: ...
Helper function for merging. def _merge_alocs(self, other_region): """ Helper function for merging. """ merging_occurred = False for aloc_id, aloc in other_region.alocs.items(): if aloc_id not in self.alocs: self.alocs[aloc_id] = aloc.copy() ...
Print out debugging information def dbg_print(self, indent=0): """ Print out debugging information """ print("%sA-locs:" % (" " * indent)) for aloc_id, aloc in self._alocs.items(): print("%s<0x%x> %s" % (" " * (indent + 2), aloc_id, aloc)) print("%sMemory:" ...
Get the base address of a memory region. :param str region: ID of the memory region :return: Address of the memory region :rtype: int def _region_base(self, region): """ Get the base address of a memory region. :param str region: ID of the memory region :return...
Create a new MemoryRegion with the region key specified, and store it to self._regions. :param key: a string which is the region key :param state: the SimState instance :param bool is_stack: Whether this memory region is on stack. True/False :param related_function_addr: Which function ...
If this is a stack address, we convert it to a correct region and address :param region_id: a string indicating which region the address is relative to :param relative_address: an address that is relative to the region parameter :param target_region: the ideal target region that address is norm...
Overriding the SimStatePlugin.set_state() method :param state: A SimState object :return: None def set_state(self, state): """ Overriding the SimStatePlugin.set_state() method :param state: A SimState object :return: None """ # Sanity check if ...
Convert a ValueSet object into a list of addresses. :param addr: A ValueSet object (which describes an address) :param is_write: Is this address used in a write or not :param convert_to_valueset: True if you want to have a list of ValueSet instances instead of AddressWrappers, ...
Convert address of different types to a list of mapping between region IDs and offsets (strided intervals). :param claripy.ast.Base addr: Address to convert :return: A list of mapping between region IDs and offsets. :rtype: dict def _normalize_address_type(self, addr): #pylint:disable=no-self-...
Get a segmented memory region based on AbstractLocation information available from VSA. Here are some assumptions to make this method fast: - The entire memory region [addr, addr + size] is located within the same MemoryRegion - The address 'addr' has only one concrete value. It cannot ...
Make a copy of this SimAbstractMemory object :return: def copy(self, memo): """ Make a copy of this SimAbstractMemory object :return: """ am = SimAbstractMemory( memory_id=self._memory_id, endness=self.endness, stack_region_map=self._s...
Merge this guy with another SimAbstractMemory instance def merge(self, others, merge_conditions, common_ancestor=None): """ Merge this guy with another SimAbstractMemory instance """ merging_occurred = False for o in others: for region_id, region in o._regions.items...
Print out debugging information def dbg_print(self): """ Print out debugging information """ for region_id, region in self.regions.items(): print("Region [%s]:" % region_id) region.dbg_print(indent=2)
Initialize ptable for ctype See __ctype_toupper_loc.c in libc implementation def _initialize_toupper_loc_table(self): """ Initialize ptable for ctype See __ctype_toupper_loc.c in libc implementation """ malloc = angr.SIM_PROCEDURES['libc']['malloc'] # 384 entri...
Extract arguments and set them to :param angr.sim_state.SimState state: The program state. :param main: An argument to __libc_start_main. :param argc: An argument to __libc_start_main. :param argv: An argument to __libc_start_main. :param init: An argument to __libc_start_main. ...
Debugging output of this slice. :param max_display: The maximum number of SimRun slices to show. :return: A string representation. def dbg_repr(self, max_display=10): """ Debugging output of this slice. :param max_display: The maximum number of SimRun slices to show...
Debugging output of a single SimRun slice. :param run_addr: Address of the SimRun. :return: A string representation. def dbg_repr_run(self, run_addr): """ Debugging output of a single SimRun slice. :param run_addr: Address of the SimRun. :return: ...

Determine if this SimIRSB has an indirect jump as its exit def _is_indirect_jump(_, sim_successors): """ Determine if this SimIRSB has an indirect jump as its exit """ if sim_successors.artifacts['irsb_direct_next']: # It's a direct jump return False de...

Check if the specific address is in one of the executable ranges. :param int address: The address :return: True if it's in an executable range, False otherwise def _is_address_executable(self, address): """ Check if the specific address is in one of the executable ranges. :par...

Get where a specific function is called. :param function_address: Address of the target function :return: A list of CFGNodes whose exits include a call/jump to the given function def _get_callsites(self, function_address): """ Get where a specific function is calle...

Get the possible (networkx) simple paths between two nodes or addresses corresponding to nodes. Input: addresses or node instances Return: a list of lists of nodes representing paths. def _get_nx_paths(self, begin, end): """ Get the possible (networkx) simple paths between two n...

Perform a quasi-topological sort on an already constructed CFG graph (a networkx DiGraph) :return: None def _quasi_topological_sort(self): """ Perform a quasi-topological sort on an already constructed CFG graph (a networkx DiGraph) :return: None """ # Clear the exist...

Reset the state mode to the given mode, and apply the custom state options specified with this analysis. :param state: The state to work with. :param str mode: The state mode. :return: None def _reset_state_mode(self, state, mode): """ Reset the state mode to the giv...

Mark a certain label as assigned (to an instruction or a block of data). :param int addr: The address of the label. :param angr.analyses.reassembler.Label label: The label that is just assigned. :return: None def label_got(self, addr, label): """ Mark a...

Try to classify an immediate as a pointer. :param int imm: The immediate to test. :param int operand_type: Operand type of this operand, can either be IMM or MEM. :param str mnemonic: Mnemonic of the instruction that this operand belongs to. :return: A tuple of (is code reference, is da...

Get function name from the labels of the very first block. :return: Function name if there is any, None otherwise :rtype: string def name(self): """ Get function name from the labels of the very first block. :return: Function name if there is any, None otherwise :rtype: ...

If this function is a PLT entry or not. :return: True if this function is a PLT entry, False otherwise :rtype: bool def is_plt(self): """ If this function is a PLT entry or not. :return: True if this function is a PLT entry, False otherwise :rtype: bool """ ...

Get the assembly manifest of the procedure. :param comments: :param symbolized: :return: A list of tuples (address, basic block assembly), ordered by basic block addresses :rtype: list def assembly(self, comments=False, symbolized=True): """ Get the assembly manifest of...

Get all instruction addresses in the binary. :return: A list of sorted instruction addresses. :rtype: list def instruction_addresses(self): """ Get all instruction addresses in the binary. :return: A list of sorted instruction addresses. :rtype: list """ ...

Determines if we want to output the function label in assembly. We output the function label only when the original instruction does not output the function label. :return: True if we should output the function label, False otherwise. :rtype: bool def _output_function_label(self): """ ...

Reduce the size of this block :param int new_size: The new size :return: None def shrink(self, new_size): """ Reduce the size of this block :param int new_size: The new size :return: None """ self.size = new_size if self.sort == 'string': ...

We believe this was a pointer and symbolized it before. Now we want to desymbolize it. The following actions are performed: - Reload content from memory - Mark the sort as 'unknown' :return: None def desymbolize(self): """ We believe this was a pointer and symbolized i...

Sometimes there exists a pointer that points to a few bytes before the beginning of a section, or a few bytes after the beginning of the section. We take care of that here. :param int addr: The address to check. :return: A 2-tuple of (bool, the closest base address) :rtype: tuple def m...

Add a new label to the symbol manager. :param str name: Name of the label. :param int addr: Address of the label. :return: None def add_label(self, name, addr): """ Add a new label to the symbol manager. :param str name: Name of the label. :param int addr: Addr...

Insert some assembly code at the specific address. There must be an instruction starting at that address. :param int addr: Address of insertion :param str asm_code: The assembly code to insert :return: None def insert_asm(self, addr, asm_code, before_label=False): """ Insert so...

Add a new procedure with specific name and assembly code. :param str name: The name of the new procedure. :param str asm_code: The assembly code of the procedure :return: None def append_procedure(self, name, asm_code): """ Add a new procedure with specific name and assembly co...

Append a new data entry into the binary with specific name, content, and size. :param str name: Name of the data entry. Will be used as the label. :param bytes initial_content: The initial content of the data entry. :param int size: Size of the data entry. :param bool readonly: If the d...

Remove CGC attachments. :return: True if CGC attachments are found and removed, False otherwise :rtype: bool def remove_cgc_attachments(self): """ Remove CGC attachments. :return: True if CGC attachments are found and removed, False otherwise :rtype: bool """ ...

Remove unnecessary functions and data :return: None def remove_unnecessary_stuff(self): """ Remove unnecessary functions and data :return: None """ glibc_functions_blacklist = { '_start', '_init', '_fini', '__gmon_start_...

Initialize the binary. :return: None def _initialize(self): """ Initialize the binary. :return: None """ # figure out section alignments for section in self.project.loader.main_object.sections: in_segment = False for segment in self.pro...

Find sequences in binary data. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int data_addr: Address of the data in memory. :param int ma...

Identifies the CGC package list associated with the CGC binary. :param int data_addr: Address of the data in memory. :param int data_size: Maximum size possible. :return: A 2-tuple of data type and size. :rtype: tuple def _cgc_package_list_identifier(self, data_addr, data_size): ...

Identifies the extended application (a PDF file) associated with the CGC binary. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int data_addr: Ad...

Return the maximum number of bytes until a potential pointer or a potential sequence is found. :param angr.analyses.CFG cfg: The control flow graph. :param pyvex.IRSB irsb: The IRSB object. :param int irsb_addr: Address of the block. :param int stmt_idx: Statement ID. :param int...

Test if there is any (suspicious) pointer decryption in the code. :return: True if there is any pointer decryption, False otherwise. :rtype: bool def _has_integer_used_as_pointers(self): """ Test if there is any (suspicious) pointer decryption in the code. :return: True if the...

Load memory bytes from loader's memory backend. :param int addr: The address to begin memory loading. :param int size: Size in bytes. :param data_type: Type of the data. :param str endness: Endianness of this memory load. :return: Data read out of the memory. ...

Merge two abstract states. For any node A whose dominance frontier that the current node (at the current program location) belongs to, we create a phi variable V' for each variable V that is defined in A, and then replace all existence of V with V' in the merged abstract state. :param ...

Scan through all statements and perform the following tasks: - Find stack pointers and the VEX temporary variable storing stack pointers - Selectively calculate VEX statements - Track memory loading and mark stack and global variables accordingly :param angr.Block block: :return...

Make a shallow copy of a directional graph and reverse the edges. This is a workaround to solve the issue that one cannot easily make a shallow reversed copy of a graph in NetworkX 2, since networkx.reverse(copy=False) now returns a GraphView, and GraphViews are always read-only. :param networkx.DiGraph g:...

Do a DFS traversal of the graph, and return with the back edges. Note: This is just a naive recursive implementation, feel free to replace it. I couldn't find anything in networkx to do this functionality. Although the name suggest it, but `dfs_labeled_edges` is doing something different. :param graph...

Compute a dominance frontier based on the given post-dominator tree. This implementation is based on figure 2 of paper An Efficient Method of Computing Static Single Assignment Form by Ron Cytron, etc. :param graph: The graph where we want to compute the dominance frontier. :param domtree: The domin...

Return the successors of a node in the graph. This method can be overriden in case there are special requirements with the graph and the successors. For example, when we are dealing with a control flow graph, we may not want to get the FakeRet successors. :param graph: The graph. :param...

Find post-dominators for each node in the graph. This implementation is based on paper A Fast Algorithm for Finding Dominators in a Flow Graph by Thomas Lengauer and Robert E. Tarjan from Stanford University, ACM Transactions on Programming Languages and Systems, Vol. 1, No. 1, July 1979 def _...

A dumb and simple way to conveniently aggregate all loggers. Adds attributes to this instance of each registered logger, replacing '.' with '_' def load_all_loggers(self): """ A dumb and simple way to conveniently aggregate all loggers. Adds attributes to this instance of each registe...

Perform execution with a state. :param state: The state with which to execute :param procedure: An instance of a SimProcedure to run :param ret_to: The address to return to when this procedure is finished :param inline: This is an inline execution. Do not bother copyin...

:return: Default value for array elements. def get_default_value(self, state): """ :return: Default value for array elements. """ if self._default_value_generator: return self._default_value_generator(state) else: return state.project.simos.get_default_va...

Add a function `func` and all blocks of this function to the blanket. def add_function(self, func): """ Add a function `func` and all blocks of this function to the blanket. """ for block in func.blocks: self.add_obj(block.addr, block)

The debugging representation of this CFBlanket. :return: The debugging representation of this CFBlanket. :rtype: str def dbg_repr(self): """ The debugging representation of this CFBlanket. :return: The debugging representation of this CFBlanket. :rtype: s...

Initialize CFBlanket from a CFG instance. :param cfg: A CFG instance. :return: None def _from_cfg(self, cfg): """ Initialize CFBlanket from a CFG instance. :param cfg: A CFG instance. :return: None """ # Let's first add all functions first ...

Mark all unmapped regions. :return: None def _mark_unknowns(self): """ Mark all unmapped regions. :return: None """ for obj in self.project.loader.all_objects: if isinstance(obj, cle.ELF): # sections? if obj.sections: ...

:param flag_page: Flag page content, either a string or a list of BV8s def state_blank(self, flag_page=None, **kwargs): """ :param flag_page: Flag page content, either a string or a list of BV8s """ s = super(SimCGC, self).state_blank(**kwargs) # pylint:disable=invalid-name ...

Test whether a statement is inside the loop body or not. :param stmt_idx: :return: def _stmt_inside_loop(self, stmt_idx): """ Test whether a statement is inside the loop body or not. :param stmt_idx: :return: """ # TODO: This is slow. Fix the performan...

Iterator based check. With respect to a certain variable/value A, - there must be at least one exit condition being A//Iterator//HasNext == 0 - there must be at least one local that ticks the iterator next: A//Iterator//Next def _is_bounded_iterator_based(self): """ Iterator ba...

Overwrite existing definitions w.r.t 'atom' with a dummy definition instance. A dummy definition will not be removed during simplification. :param Atom atom: :param CodeLocation code_loc: :param object data: :return: None def kill_definitions(self, atom, code_loc, data=None, du...

Create an entry state. :param args: List of SootArgument values (optional). def state_entry(self, args=None, **kwargs): # pylint: disable=arguments-differ """ Create an entry state. :param args: List of SootArgument values (optional). """ state = self.state_blank(**kwa...

Generates a new symbolic cmd line argument string. :return: The string reference. def generate_symbolic_cmd_line_arg(state, max_length=1000): """ Generates a new symbolic cmd line argument string. :return: The string reference. """ str_ref = SimSootValue_StringRef(state....

Create a native or a Java call state. :param addr: Soot or native addr of the invoke target. :param args: List of SootArgument values. def state_call(self, addr, *args, **kwargs): """ Create a native or a Java call state. :param addr: Soot or native addr of the invoke ...

Java specify defaults values for primitive and reference types. This method returns the default value for a given type. :param str type_: Name of type. :return: Default value for this type. def get_default_value_by_type(type_, state=None): """ Java specify defaults...

Cast the value of primtive types. :param value: Bitvector storing the primitive value. :param to_type: Name of the targeted type. :return: Resized value. def cast_primitive(state, value, to_type): """ Cast the value of primtive types. :param value:...

Initialize the static field with an allocated, but not initialized, object of the given type. :param state: State associated to the field. :param field_class_name: Class containing the field. :param field_name: Name of the field. :param field_type: Type of the field and the new ...

Get address of the implementation from a native declared Java function. :param soot_method: Method descriptor of a native declared function. :return: CLE address of the given method. def get_addr_of_native_method(self, soot_method): """ Get address of the implementation from a native d...

Maps the Java type to a SimTypeReg representation of its native counterpart. This type can be used to indicate the (well-defined) size of native JNI types. :return: A SymTypeReg with the JNI size of the given type. def get_native_type(self, java_type): """ Maps the Java type to...

:return: SimCC object for the native simos. def get_native_cc(self, func_ty=None): """ :return: SimCC object for the native simos. """ native_cc_cls = DEFAULT_CC[self.native_simos.arch.name] return native_cc_cls(self.native_simos.arch, func_ty=func_ty)

Fill the class with constrained symbolic values. def fill_symbolic(self): """ Fill the class with constrained symbolic values. """ self.wYear = self.state.solver.BVS('cur_year', 16, key=('api', 'GetLocalTime', 'cur_year')) self.wMonth = self.state.solver.BVS('cur_month', 16, key...

Fill the class with the appropriate values extracted from the given timestamp. :param ts: A POSIX timestamp. def fill_from_timestamp(self, ts): """ Fill the class with the appropriate values extracted from the given timestamp. :param ts: A POSIX timestamp. """ dt = d...

Initialize this AnnotatedCFG object with a networkx.DiGraph consisting of the following form of nodes: Tuples like (block address, statement ID) Those nodes are connected by edges indicating the execution flow. :param networkx.DiGraph digraph: A networkx.DiGraph object def from_digra...

:returns: True if all statements are whitelisted def get_whitelisted_statements(self, addr): """ :returns: True if all statements are whitelisted """ if addr in self._run_statement_whitelist: if self._run_statement_whitelist[addr] is True: return None # This ...

Pretty-print an IRSB with whitelist information def dbg_print_irsb(self, irsb_addr, project=None): """ Pretty-print an IRSB with whitelist information """ if project is None: project = self._project if project is None: raise Exception("Dict addr_to_run ...

Given a path, returns True if the path should be kept, False if it should be cut. def keep_path(self, path): """ Given a path, returns True if the path should be kept, False if it should be cut. """ if len(path.addr_trace) < 2: return True return self.should_take_ex...

Callback routine that takes in a path, and returns all feasible successors to path group. This callback routine should be passed to the keyword argument "successor_func" of PathGroup.step(). :param path: A Path instance. :return: A list of all feasible Path successors. def successor_func(self,...

Convert to a ValueSet instance :param state: A state :return: The converted ValueSet instance def to_valueset(self, state): """ Convert to a ValueSet instance :param state: A state :return: The converted ValueSet instance """ return state.solver.VS(stat...

Add a mapping between an absolute address and a region ID. If this is a stack region map, all stack regions beyond (lower than) this newly added regions will be discarded. :param absolute_address: An absolute memory address. :param region_id: ID of the memory region...

Removes a mapping based on its absolute address. :param absolute_address: An absolute address def unmap_by_address(self, absolute_address): """ Removes a mapping based on its absolute address. :param absolute_address: An absolute address """ desc = self._address_to_re...

Convert a relative address in some memory region to an absolute address. :param region_id: The memory region ID :param relative_address: The relative memory offset in that memory region :return: An absolute address if converted, or an exception is raised when reg...

Convert an absolute address to the memory offset in a memory region. Note that if an address belongs to heap region is passed in to a stack region map, it will be converted to an offset included in the closest stack frame, and vice versa for passing a stack address to a heap region. Therefore y...

Return the category of this SimMemory instance. It can be one of the three following categories: reg, mem, or file. def category(self): """ Return the category of this SimMemory instance. It can be one of the three following categories: reg, mem, or file. """ if self.id...

Call the set_state method in SimStatePlugin class, and then perform the delayed initialization. :param state: The SimState instance def set_state(self, state): """ Call the set_state method in SimStatePlugin class, and then perform the delayed initialization. :param state: The SimStat...

Make an AST out of concrete @data_e def _convert_to_ast(self, data_e, size_e=None): """ Make an AST out of concrete @data_e """ if type(data_e) is bytes: # Convert the string into a BVV, *regardless of endness* bits = len(data_e) * self.state.arch.byte_width ...

Create a new mapping between an absolute address (which is the base address of a specific stack frame) and a region ID. :param absolute_address: The absolute memory address. :param region_id: The region ID. :param related_function_address: Related function address. def set_stack_addres...

Remove a stack mapping. :param absolute_address: An absolute memory address, which is the base address of the stack frame to destroy. def unset_stack_address_mapping(self, absolute_address): """ Remove a stack mapping. :param absolute_address: An absolute memory address, which is the ...

Return a memory region ID for a function. If the default region ID exists in the region mapping, an integer will appended to the region name. In this way we can handle recursive function calls, or a function that appears more than once in the call frame. This also means that `stack_id()` should...

Stores content into memory. :param addr: A claripy expression representing the address to store at. :param data: The data to store (claripy expression or something convertable to a claripy expression). :param size: A claripy expression representing the size of the data to s...

Stores content into memory, conditional by case. :param addr: A claripy expression representing the address to store at. :param contents: A list of bitvectors, not necessarily of the same size. Use None to denote an empty write. :param condition...

Loads size bytes from dst. :param dst: The address to load from. :param size: The size (in bytes) of the load. :param condition: A claripy expression representing a condition for a conditional load. :param fallback: A fallback value if the condition e...

Returns the address of bytes equal to 'what', starting from 'start'. Note that, if you don't specify a default value, this search could cause the state to go unsat if no possible matching byte exists. :param addr: The start address. :param what: What to search for;...

Copies data within a memory. :param dst: A claripy expression representing the address of the destination :param src: A claripy expression representing the address of the source The following parameters are optional. :param src_memory: Copy data from this SimMemory in...

Gets vfg node at @addr Returns VFGNode or None def _vfg_node(self, addr): """ Gets vfg node at @addr Returns VFGNode or None """ for n in self._vfg._nodes.values(): if n.addr == addr: return n raise DataGraphError("No VFG node at 0x%x"...

Pretty print the graph. @imarks determine whether the printed graph represents instructions (coarse grained) for easier navigation, or exact statements. def pp(self, imarks=False): """ Pretty print the graph. @imarks determine whether the printed graph represents instructions...

Recursive function, it branches in every possible path in the VFG. @live_defs: a dict {addr:stmt} of live definitions at the start point @node: the starting vfg node Returns: the address of the block where the execution stops def _branch(self, live_defs, node, path=""): """ Rec...

Get a list of abstract locations that is within the range of [addr, addr + size] This implementation is pretty slow. But since this method won't be called frequently, we can live with the bad implementation for now. :param addr: Starting address of the memory region. :param size: ...

Helper function for merging. def _merge_alocs(self, other_region): """ Helper function for merging. """ merging_occurred = False for aloc_id, aloc in other_region.alocs.items(): if aloc_id not in self.alocs: self.alocs[aloc_id] = aloc.copy() ...

Print out debugging information def dbg_print(self, indent=0): """ Print out debugging information """ print("%sA-locs:" % (" " * indent)) for aloc_id, aloc in self._alocs.items(): print("%s<0x%x> %s" % (" " * (indent + 2), aloc_id, aloc)) print("%sMemory:" ...

Get the base address of a memory region. :param str region: ID of the memory region :return: Address of the memory region :rtype: int def _region_base(self, region): """ Get the base address of a memory region. :param str region: ID of the memory region :return...

Create a new MemoryRegion with the region key specified, and store it to self._regions. :param key: a string which is the region key :param state: the SimState instance :param bool is_stack: Whether this memory region is on stack. True/False :param related_function_addr: Which function ...

If this is a stack address, we convert it to a correct region and address :param region_id: a string indicating which region the address is relative to :param relative_address: an address that is relative to the region parameter :param target_region: the ideal target region that address is norm...

Overriding the SimStatePlugin.set_state() method :param state: A SimState object :return: None def set_state(self, state): """ Overriding the SimStatePlugin.set_state() method :param state: A SimState object :return: None """ # Sanity check if ...

Convert a ValueSet object into a list of addresses. :param addr: A ValueSet object (which describes an address) :param is_write: Is this address used in a write or not :param convert_to_valueset: True if you want to have a list of ValueSet instances instead of AddressWrappers, ...

Convert address of different types to a list of mapping between region IDs and offsets (strided intervals). :param claripy.ast.Base addr: Address to convert :return: A list of mapping between region IDs and offsets. :rtype: dict def _normalize_address_type(self, addr): #pylint:disable=no-self-...

Get a segmented memory region based on AbstractLocation information available from VSA. Here are some assumptions to make this method fast: - The entire memory region [addr, addr + size] is located within the same MemoryRegion - The address 'addr' has only one concrete value. It cannot ...

Make a copy of this SimAbstractMemory object :return: def copy(self, memo): """ Make a copy of this SimAbstractMemory object :return: """ am = SimAbstractMemory( memory_id=self._memory_id, endness=self.endness, stack_region_map=self._s...

Merge this guy with another SimAbstractMemory instance def merge(self, others, merge_conditions, common_ancestor=None): """ Merge this guy with another SimAbstractMemory instance """ merging_occurred = False for o in others: for region_id, region in o._regions.items...

Print out debugging information def dbg_print(self): """ Print out debugging information """ for region_id, region in self.regions.items(): print("Region [%s]:" % region_id) region.dbg_print(indent=2)

Initialize ptable for ctype See __ctype_toupper_loc.c in libc implementation def _initialize_toupper_loc_table(self): """ Initialize ptable for ctype See __ctype_toupper_loc.c in libc implementation """ malloc = angr.SIM_PROCEDURES['libc']['malloc'] # 384 entri...

Extract arguments and set them to :param angr.sim_state.SimState state: The program state. :param main: An argument to __libc_start_main. :param argc: An argument to __libc_start_main. :param argv: An argument to __libc_start_main. :param init: An argument to __libc_start_main. ...

Debugging output of this slice. :param max_display: The maximum number of SimRun slices to show. :return: A string representation. def dbg_repr(self, max_display=10): """ Debugging output of this slice. :param max_display: The maximum number of SimRun slices to show...

Debugging output of a single SimRun slice. :param run_addr: Address of the SimRun. :return: A string representation. def dbg_repr_run(self, run_addr): """ Debugging output of a single SimRun slice. :param run_addr: Address of the SimRun. :return: ...