Exemple #1
0
    def _get_user_selected_functions(self, many=False):
        functions = []
        ea = ida_shims.get_screen_ea()
        try:
            current_function = ida_shims.get_func_attr(ea, idc.FUNCATTR_START)
        except:
            current_function = None

        while True:
            function = ida_shims.choose_func(
                "Select a function and click 'OK' until all functions have "
                "been selected. When finished, click 'Cancel' to display the "
                "graph.")

            if ida_shims.get_screen_ea() != ea:
                ida_shims.jumpto(ea)

            if not function or \
                    function == idc.BADADDR or function == current_function:
                break
            elif function not in functions:
                functions.append(function)

            if not many:
                break

        return functions
Exemple #2
0
    def FindPathsToCodeBlock(self):
        target = ida_shims.get_screen_ea()
        source = self._current_function()

        if source:
            self._find_and_plot_paths(
                [source], [target], klass=AlleyCatCodePaths)
Exemple #3
0
def from_function_profiler(arg=None):
    try:
        chooser = IDAFunctionProfilerChooser()
        cur_loc = ida_shims.get_screen_ea()
        func = idaapi.get_func(cur_loc)
        if func:
            start_ea = ida_shims.start_ea(func)
            chooser.set_internal_filter(functions=set([start_ea]))
        else:
            raise Exception("Can't limit profile to just this function, "
                            "because 0x%X is not inside a function!" % cur_loc)
        chooser.show()
    except Exception as e:
        print "IDAFunctionProfiler ERROR: %s" % str(e)
Exemple #4
0
    def _profile_function(self):
        current_ea = ida_shims.get_screen_ea()
        current_function = ida_shims.get_func_name(current_ea)
        current_function_ea = ida_shims.get_name_ea_simple(current_function)

        if current_function:
            self.function = current_function

        ea = ida_shims.get_func_attr(current_function_ea, idc.FUNCATTR_START)
        end_ea = ida_shims.get_func_attr(current_function_ea, idc.FUNCATTR_END)

        self.highlighted = ida_shims.get_highlighted_identifier()

        while ea < end_ea and ea != idc.BADADDR and self.highlighted:
            i = 0
            match = False
            optype = self.READ

            insn = ida_shims.decode_insn(ea)

            mnem = ida_shims.print_insn_mnem(ea)

            if self.highlighted in mnem:
                match = True
            elif idaapi.is_call_insn(ea):
                for xref in idautils.XrefsFrom(ea):
                    if xref.type != 21:
                        name = ida_shims.get_name(xref.to)
                        if name and self.highlighted in name:
                            match = True
                            break
            else:
                while True:
                    opnd = ida_shims.print_operand(ea, i)
                    if opnd:
                        if self.highlighted in opnd:
                            canon_feature = ida_shims.get_canon_feature(insn)
                            match = True
                            if canon_feature & self.OPND_WRITE_FLAGS[i]:
                                optype = self.WRITE
                        i += 1
                    else:
                        break

            if not match:
                comment = idc.GetCommentEx(ea, 0)
                if comment and self.highlighted in comment:
                    match = True
                else:
                    comment = idc.GetCommentEx(ea, 1)
                    if comment and self.highlighted in comment:
                        match = True
                    else:
                        comment = None

            if match:
                if ea > current_ea:
                    direction = self.DOWN
                elif ea < current_ea:
                    direction = self.UP
                else:
                    direction = self.THIS

                self.xrefs[ea] = {
                    'offset': ida_shims.get_func_off_str(ea),
                    'mnem': mnem,
                    'type': optype,
                    'direction': direction,
                    'text': idc.GetDisasm(ea),
                }

            ea = ida_shims.next_head(ea)
Exemple #5
0
 def _current_function(self):
     function = idaapi.get_func(ida_shims.get_screen_ea())
     return ida_shims.start_ea(function)