def isEnum(F, op_index): if op_index == 0: return idc.isEnum0(F) elif op_index == 1: return idc.isEnum1(F) else: return False
def op_type_changed(self, ea, n): def gather_enum_info(ea, n): id = idaapi.get_enum_id(ea, n)[0] serial = idaapi.get_enum_idx(id) return id, serial extra = {} flags = idc.get_full_flags(ea) if n == 0: if idc.isHex0(flags): op = 'hex' elif idc.isBin0(flags): op = 'bin' elif idc.isDec0(flags): op = 'dec' elif idc.isChar0(flags): op = 'chr' elif idc.isOct0(flags): op = 'oct' elif idc.isEnum0(flags): op = 'enum' id, serial = gather_enum_info(ea, n) ename = idc.get_enum_name(id) extra['ename'] = ename extra['serial'] = serial else: return 0 # FIXME: Find a better way else: if idc.isHex1(flags): op = 'hex' elif idc.isBin1(flags): op = 'bin' elif idc.isDec1(flags): op = 'dec' elif idc.isChar1(flags): op = 'chr' elif idc.isOct1(flags): op = 'oct' elif idc.isEnum1(flags): op = 'enum' id, serial = gather_enum_info(ea, n) ename = idc.get_enum_name(id) extra['ename'] = ename extra['serial'] = serial else: return 0 # FIXME: Find a better way self._send_event(OpTypeChangedEvent(ea, n, op, extra)) return 0
def make_struc_member(self, object_version, address, member_type=ya.OBJECT_TYPE_STRUCT_MEMBER): struc_object_id = object_version.get_parent_object_id() struc_id = 0 try: struc_id = self.struc_ids[struc_object_id] except: return is_union = struc_id in self.union_ids offset = address if is_union: last_offset = idc.GetLastMember(struc_id) if last_offset == idc.BADADDR: last_offset = -1 if last_offset < offset: for i in xrange(last_offset + 1, offset + 1): idc.AddStrucMember(struc_id, "yaco_filler_%d" % i, 0, idc.FF_BYTE | idc.FF_DATA, -1, 1) # ensure that 'offset' fields are present member_size = object_version.get_size() member_name = object_version.get_name() flags = object_version.get_object_flags() if idc.isStruct(flags): # if the sub field is a struct, it must have a single Xref field with the struct object id try: sub_struc_object_id = object_version.getXRefIdsAt(0, 0)[0] sub_struc_id = self.struc_ids[sub_struc_object_id] # logger.debug("%20s: adding sub member at offset 0x%08X, # size=0x%08X (sub=0x%.016X, size=0x%08X) with name %s" % # ( # idc.GetStrucName(struc_id), offset, member_size, sub_struc_id, # idc.GetStrucSize(sub_struc_id), object_version.get_name() # )) sub_struc_size = idc.GetStrucSize(sub_struc_id) if sub_struc_size == 0: logger.error( "%20s: adding sub member at offset 0x%08X, size=0x%08X " "(sub=0x%.016X, size=0x%08X) with name %s : sub struc size is ZERO" % (idc.GetStrucName(struc_id), offset, member_size, sub_struc_id, idc.GetStrucSize(sub_struc_id), object_version.get_name())) else: nitems = member_size / sub_struc_size YaToolIDATools.SetStrucmember(struc_id, member_name, offset, flags, sub_struc_id, nitems) except KeyError: logger.error( "Error while looking for sub struc in struc %s, offset 0x%08X (field name='%s')" % (self.hash_provider.hash_to_string(struc_object_id), offset, object_version.get_name())) traceback.print_exc() elif idc.isEnum0(flags): # an enum is applied here try: sub_enum_object_id = object_version.getXRefIdsAt(0, 0)[0] sub_enum_id = self.enum_ids[sub_enum_object_id] name_ok = idc.SetMemberName(struc_id, offset, member_name) if name_ok is not True: logger.debug( "Error while setting member name (enum) : " "(struc=%s, member=%s, offset=0x%08X, mflags=%d, msize=%d, tid=0x%016X" % (name_ok, idc.GetStrucName(struc_id), member_name, offset, flags, member_size, sub_struc_id)) else: sub_enum_size = idc.GetEnumWidth(sub_enum_id) if sub_enum_size == 0: sub_enum_size = member_size nitems = member_size / sub_enum_size ret = idc.SetMemberType(struc_id, offset, flags, sub_enum_id, nitems) if ret == 0: logger.debug( "Error while setting member type (enum) : " "(struc=%s, member=%s, offset=0x%08X, mflags=%d, msize=%d, tid=0x%016X" % (ret, idc.GetStrucName(struc_id), member_name, offset, flags, member_size, sub_struc_id)) except KeyError: logger.error( "Error while looking for sub enum in struc %s, offset 0x%08X (field name='%s')" % (struc_object_id, offset, member_name)) traceback.print_exc() else: # logger.debug("%20s: adding member at offset 0x%08X, size=0x%08X with name %s" % # ( # idc.GetStrucName(struc_id), offset, member_size, object_version.get_name() # )) tid = -1 if idc.isASCII(flags): logger.debug( "object: %s : %s" % (self.hash_provider.hash_to_string( object_version.get_id()), object_version.get_name())) try: tid = object_version.get_string_type() except KeyError: tid = idc.ASCSTR_C name_ok = idc.SetMemberName(struc_id, offset, member_name) if name_ok is not True: logger.debug( "Error while setting member name :" + " (struc_id=0x%08X, struc=%s, member=%s, offset=0x%08X, mflags=%d, msize=%d)" % (struc_id, idc.GetStrucName(struc_id), member_name, offset, flags, member_size)) else: item_size = YaToolIDATools.get_field_size(flags, tid) nitems = member_size / item_size # IDA BUG : 4-byte chars are stored as 2 double words, thus me must # multiply nitem by 2! ret = idc.SetMemberType(struc_id, offset, flags, tid, nitems) if ret == 0: logger.debug( "Error while setting member type :" + " (struc=%s, member=%s, offset=0x%08X, mflags=%d, msize=%d)" % (idc.GetStrucName(struc_id), member_name, offset, flags, member_size)) try: repeatable_headercomment = self.sanitize_comment_to_ascii( object_version.get_header_comment(True)) idc.SetMemberComment(struc_id, offset, repeatable_headercomment, 1) except KeyError: pass try: nonrepeatable_headercomment = self.sanitize_comment_to_ascii( object_version.get_header_comment(False)) idc.SetMemberComment(struc_id, offset, nonrepeatable_headercomment, 0) except KeyError: pass member_id = idc.GetMemberId(struc_id, offset) self.set_struct_member_type(object_version, member_id) if object_version.get_type() == ya.OBJECT_TYPE_STRUCT_MEMBER: self.strucmember_ids[object_version.get_id()] = member_id