def __setstate__(self, state):
ownername, index, name, (cmtt, cmtf), ofs, t = state
fullname = '.'.join((owername, name))
identifier = idaapi.get_struc_id(ownername)
if identifier == idaapi.BADADDR:
logging.warn(
"{:s}.instance({:s}).member_t : Creating structure {:s} -- [{:#x}] {:s}{:s}"
.format(
__name__, ownername, ownername, ofs, name,
" // {:s}".format(cmtt or cmtf) if cmtt or cmtf else ''))
identifier = idaapi.add_struc(idaapi.BADADDR, ownername)
self.__owner = owner = instance(identifier, offset=0)
flag, mytype, nbytes = t
# FIXME: handle .strtype (strings), .ec (enums), .cd (custom)
opinfo = idaapi.opinfo_t()
opinfo.tid = 0 if mytype is None else mytype.id
res = idaapi.add_struc_member(owner.ptr, name, ofs, flag, opinfo,
nbytes)
# FIXME: handle these errors properly
# duplicate name
if res == idaapi.STRUC_ERROR_MEMBER_NAME:
if idaapi.get_member_by_name(owner.ptr, name).soff != ofs:
newname = "{:s}_{:x}".format(name, ofs)
logging.warn(
"{:s}.instace({:s}).member_t : Duplicate name found for {:s}, renaming to {:s}."
.format(__name__, ownername, name, newname))
idaapi.set_member_name(owner.ptr, ofs, newname)
else:
logging.info(
"{:s}.instance({:s}).member_t : Field at {:+#x} contains the same name {:s}."
.format(__name__, ownername, ofs, name))
# duplicate field
elif res == idaapi.STRUC_ERROR_MEMBER_OFFSET:
logging.info(
"{:s}.instance({:s}).member_t : Field already found at {:+#x}. Overwriting with {:s}."
.format(__name__, ownername, ofs, name))
idaapi.set_member_type(owner.ptr, ofs, flag, opinfo, nbytes)
idaapi.set_member_name(owner.ptr, ofs, name)
# invalid size
elif res == idaapi.STRUC_ERROR_MEMBER_SIZE:
logging.warn(
"{:s}.instance({:s}).member_t : Issue creating structure member {:s} : {:#x}"
.format(__name__, ownername, fullname, res))
# unknown
elif res != idaapi.STRUC_ERROR_MEMBER_OK:
logging.warn(
"{:s}.instance({:s}).member_t : Issue creating structure member {:s} : {:#x}"
.format(__name__, ownername, fullname, res))
self.__index = index
self.__owner = owner
idaapi.set_member_cmt(self.ptr, cmtt, True)
idaapi.set_member_cmt(self.ptr, cmtf, False)
return
def __setstate__(self, state):
ownername, index, name, (cmtt, cmtf), ofs, t = state
identifier = idaapi.get_struc_id(ownername)
if identifier == idaapi.BADADDR:
logging.warn('member_t : Creating structure %s -- [%x] %s%s' %
(ownername, ofs, name, ' // %s' %
(cmtt or cmtf) if cmtt or cmtf else ''))
identifier = idaapi.add_struc(idaapi.BADADDR, ownername)
self.__owner = owner = instance(identifier, offset=0)
flag, mytype, nbytes = t
# FIXME: handle .strtype (strings), .ec (enums), .cd (custom)
opinfo = idaapi.opinfo_t()
opinfo.tid = 0 if mytype is None else mytype.id
res = idaapi.add_struc_member(owner.ptr, name, ofs, flag, opinfo,
nbytes)
# FIXME: handle these errors properly
# duplicate name
if res == idaapi.STRUC_ERROR_MEMBER_NAME:
if idaapi.get_member_by_name(owner.ptr, name).soff != ofs:
newname = '%s_%x' % (name, ofs)
logging.warn(
'structure_t(%s).member_t : Duplicate name found for %s, renaming to %s'
% (ownername, name, newname))
idaapi.set_member_name(owner.ptr, ofs, newname)
else:
logging.info(
'structure_t(%s).member_t : Field at %x contains the same name %s'
% (ownername, ofs, name))
# duplicate field
elif res == idaapi.STRUC_ERROR_MEMBER_OFFSET:
logging.info(
'structure_t(%s).member_t : Field already found at %x. Overwriting with %s'
% (ownername, ofs, name))
idaapi.set_member_type(owner.ptr, ofs, flag, opinfo, nbytes)
idaapi.set_member_name(owner.ptr, ofs, name)
# invalid size
elif res == idaapi.STRUC_ERROR_MEMBER_SIZE:
logging.warn(
'member_t : Issue creating structure member %s.%s : %x' %
(ownername, name, res))
# unknown
elif res != idaapi.STRUC_ERROR_MEMBER_OK:
logging.warn(
'member_t : Issue creating structure member %s.%s : %x' %
(ownername, name, res))
self.__index = index
self.__owner = owner
idaapi.set_member_cmt(self.ptr, cmtt, True)
idaapi.set_member_cmt(self.ptr, cmtf, False)
return
def name(self, string):
'''Set the member's name to ``string``.'''
if isinstance(string, tuple):
string = interface.tuplename(*string)
res = idaapi.validate_name2(buffer(string)[:])
if string and string != res:
logging.warn(
"{:s}.name : Stripping invalid chars from structure \"{:s}\" member {:d} name {!r}. : {!r}"
.format('.'.join((__name__, self.__class__.__name__)),
self.__owner.name, self.__index, string, res))
string = res
return idaapi.set_member_name(
self.__owner.ptr, self.offset - self.__owner.members.baseoffset,
string)
def name(self, value):
return idaapi.set_member_name(self.owner.ptr, self.offset, value)
def name(self, value):
return idaapi.set_member_name(self.owner.ptr, self.offset, value)
def name(self, value):
return idaapi.set_member_name(
self.__owner.ptr, self.offset - self.__owner.members.baseoffset,
value)
def fill_function(self, ida_func, user=None, state=None):
"""
Grab all relevant information from the specified user and fill the @ida_func.
"""
# == function name === #
_func = self.pull_function(ida_func, user=user, state=state)
if _func is None:
return
if compat.get_func_name(ida_func.start_ea) != _func.name:
compat.set_ida_func_name(ida_func.start_ea, _func.name)
# === comments === #
# set the func comment
func_comment = self.pull_comment(_func.addr, user=user, state=state)
if func_comment is None:
func_comment = ""
#idc.set_func_cmt(_func.addr, func_comment, 1)
#compat.set_ida_comment(_func.addr, func_comment, 1, func_cmt=True)
# set the disassembly comments
func_cmt_end = "\n"
for start_ea, end_ea in idautils.Chunks(ida_func.start_ea):
for head in idautils.Heads(start_ea, end_ea):
if head == _func.addr:
continue
comment = self.pull_comment(head, user=user, state=state)
if comment is not None:
func_cmt_end += f"\n{hex(head)}: {comment}"
#compat.set_decomp_comments(_func.addr, {head: comment})
#compat.set_ida_comment(head, comment, 0, func_cmt=False)
func_comment += func_cmt_end
compat.set_ida_comment(_func.addr, func_comment, 1, func_cmt=True)
# === stack variables === #
existing_stack_vars = {}
frame = idaapi.get_frame(ida_func.start_ea)
if frame is None or frame.memqty <= 0:
_l.debug(
"Function %#x does not have an associated function frame. Skip variable name sync-up.",
ida_func.start_ea)
return
frame_size = idc.get_struc_size(frame)
last_member_size = idaapi.get_member_size(
frame.get_member(frame.memqty - 1))
for i in range(frame.memqty):
member = frame.get_member(i)
stack_offset = member.soff - frame_size + last_member_size
existing_stack_vars[stack_offset] = member
for offset, stack_var in self.pull_stack_variables(
ida_func, user=user, state=state).items():
ida_offset = stack_var.get_offset(StackOffsetType.IDA)
# skip if this variable already exists
if ida_offset in existing_stack_vars:
type_str = self._get_type_str(
existing_stack_vars[ida_offset].flag)
else:
type_str = None
if ida_offset in existing_stack_vars:
if idc.get_member_name(frame.id, existing_stack_vars[ida_offset].soff) == stack_var.name \
and type_str is not None \
and stack_var.type == type_str:
continue
# rename the existing variable
idaapi.set_member_name(frame,
existing_stack_vars[ida_offset].soff,
stack_var.name)
# TODO: retype the existing variable
# ===== update the psuedocode ==== #
compat.refresh_pseudocode_view(_func.addr)
def __call__(self):
sptr = idaapi.get_struc(idc.get_struc_id(self.sname.encode('utf-8')))
idaapi.set_member_name(sptr, self.offset, self.newname.encode('utf-8'))
