def ptr_type(type_name):
if not isinstance(type_name, str):
raise Exception
tinfo = idaapi.create_typedef(type_name)
ptr_tinfo = idaapi.tinfo_t()
ptr_tinfo.create_ptr(tinfo)
return ptr_tinfo
def pack(self, start=0, stop=None):
if self.collisions[start:stop].count(True):
print "[Warning] Collisions detected"
return
final_tinfo = idaapi.tinfo_t()
udt_data = idaapi.udt_type_data_t()
origin = self.items[start].offset if start else 0
offset = origin
for item in filter(lambda x: x.enabled, self.items[start:stop]): # Filter disabled members
gap_size = item.offset - offset
if gap_size:
udt_data.push_back(TemporaryStructureModel.get_padding_member(offset - origin, gap_size))
if item.is_array:
array_size = self.calculate_array_size(bisect.bisect_left(self.items, item))
if array_size:
udt_data.push_back(item.get_udt_member(array_size, offset=origin))
offset = item.offset + item.size * array_size
continue
udt_data.push_back(item.get_udt_member(offset=origin))
offset = item.offset + item.size
final_tinfo.create_udt(udt_data, idaapi.BTF_STRUCT)
cdecl = idaapi.print_tinfo(None, 4, 5, idaapi.PRTYPE_MULTI | idaapi.PRTYPE_TYPE | idaapi.PRTYPE_SEMI,
final_tinfo, self.structure_name, None)
cdecl = idaapi.asktext(0x10000, '#pragma pack(push, 1)\n' + cdecl, "The following new type will be created")
if cdecl:
structure_name = idaapi.idc_parse_decl(idaapi.cvar.idati, cdecl, idaapi.PT_TYP)[0]
previous_ordinal = idaapi.get_type_ordinal(idaapi.cvar.idati, structure_name)
if previous_ordinal:
reply = QtGui.QMessageBox.question(
None,
"HexRaysPyTools",
"Structure already exist. Do you want to overwrite it?",
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No
)
if reply == QtGui.QMessageBox.Yes:
idaapi.del_numbered_type(idaapi.cvar.idati, previous_ordinal)
ordinal = idaapi.idc_set_local_type(previous_ordinal, cdecl, idaapi.PT_TYP)
else:
return
else:
ordinal = idaapi.idc_set_local_type(-1, cdecl, idaapi.PT_TYP)
if ordinal:
print "[Info] New type {0} was added to Local Types".format(structure_name)
tid = idaapi.import_type(idaapi.cvar.idati, -1, structure_name)
if tid:
tinfo = idaapi.create_typedef(structure_name)
ptr_tinfo = idaapi.tinfo_t()
ptr_tinfo.create_ptr(tinfo)
for scanned_var in self.get_unique_scanned_variables(origin):
scanned_var.apply_type(ptr_tinfo)
return tinfo
else:
print "[ERROR] Structure {0} probably already exist".format(structure_name)
def pack(self, start=0, stop=None):
if self.collisions[start:stop].count(True):
print "[Warning] Collisions detected"
return
final_tinfo = idaapi.tinfo_t()
udt_data = idaapi.udt_type_data_t()
origin = self.items[start].offset
offset = origin
for item in filter(lambda x: x.enabled,
self.items[start:stop]): # Filter disabled members
gap_size = item.offset - offset
if gap_size:
udt_data.push_back(
TemporaryStructureModel.get_padding_member(
offset - origin, gap_size))
if item.is_array:
array_size = self.calculate_array_size(
bisect.bisect_left(self.items, item))
if array_size:
udt_data.push_back(
item.get_udt_member(array_size, offset=origin))
offset = item.offset + item.size * array_size
continue
udt_data.push_back(item.get_udt_member(offset=origin))
offset = item.offset + item.size
final_tinfo.create_udt(udt_data, idaapi.BTF_STRUCT)
cdecl = idaapi.print_tinfo(
None, 4, 5,
idaapi.PRTYPE_MULTI | idaapi.PRTYPE_TYPE | idaapi.PRTYPE_SEMI,
final_tinfo, self.structure_name, None)
cdecl = idaapi.asktext(0x10000, cdecl,
"The following new type will be created")
if cdecl:
structure_name = idaapi.idc_parse_decl(idaapi.cvar.idati, cdecl,
idaapi.PT_TYP)[0]
ordinal = idaapi.idc_set_local_type(-1, cdecl, idaapi.PT_TYP)
if ordinal:
print "[Info] New type {0} was added to Local Types".format(
structure_name)
tid = idaapi.import_type(idaapi.cvar.idati, -1, structure_name)
if tid:
tinfo = idaapi.create_typedef(structure_name)
ptr_tinfo = idaapi.tinfo_t()
ptr_tinfo.create_ptr(tinfo)
for scanned_var in self.get_scanned_variables(origin):
scanned_var.apply_type(ptr_tinfo)
return tinfo
else:
print "[ERROR] Structure {0} probably already exist".format(
structure_name)
return None
def get_udt_member(self, offset=0):
udt_member = idaapi.udt_member_t()
tid = self.import_to_structures()
if tid != idaapi.BADADDR:
udt_member.name = self.name
tmp_tinfo = idaapi.create_typedef(self.vtable_name)
tmp_tinfo.create_ptr(tmp_tinfo)
udt_member.type = tmp_tinfo
udt_member.offset = self.offset - offset
udt_member.size = const.EA_SIZE
return udt_member
