try: import pywraps pywraps_there = True except: pywraps_there = False import _idaapi import random import operator import datetime if pywraps_there: _idaapi.appcall = pywraps.appcall from py_idaapi import * else: import idaapi from idaapi import * # ---------------------------------------------------------------------------------------------------------------------------------------------- # import types # ----------------------------------------------------------------------- class Appcall_array__(object): """This class is used with Appcall.array() method""" def __init__(self, tp): self.__type = tp def pack(self, L): """Packs a list or tuple into a byref buffer""" t = type(L) if not (t == types.ListType or t == types.TupleType): raise ValueError, "Either a list or a tuple must be passed" self.__size = len(L) if self.__size == 1: self.__typedobj = Appcall__.typedobj(self.__type + ";") else: self.__typedobj = Appcall__.typedobj("%s x[%d];" % (self.__type, self.__size)) # Now store the object in a string buffer ok, buf = self.__typedobj.store(L) if ok: return Appcall__.byref(buf) else: return None def try_to_convert_to_list(self, obj): """Is this object a list? We check for the existance of attribute zero and attribute self.size-1""" if not (hasattr(obj, "0") and hasattr(obj, str(self.__size-1))): return obj # at this point, we are sure we have an "idc list" # let us convert to a Python list return [getattr(obj, str(x)) for x in xrange(0, self.__size)] def unpack(self, buf, as_list=True): """Unpacks an array back into a list or an object""" # take the value from the special ref object if isinstance(buf, PyIdc_cvt_refclass__): buf = buf.value # we can only unpack from strings if type(buf) != types.StringType: raise ValueError, "Cannot unpack this type!" # now unpack ok, obj = self.__typedobj.retrieve(buf) if not ok: raise ValueError, "Failed while unpacking!" if not as_list: return obj return self.try_to_convert_to_list(obj) # ----------------------------------------------------------------------- # Wrapper class for the appcall() class Appcall_callable__(object): """ Helper class to issue appcalls using a natural syntax: appcall.FunctionNameInTheDatabase(arguments, ....) or appcall["Function@8"](arguments, ...) or f8 = appcall["Function@8"] f8(arg1, arg2, ...) or o = appcall.obj() i = byref(5) appcall.funcname(arg1, i, "hello", o) """ def __init__(self, ea, tp = None, fld = None): """Initializes an appcall with a given function ea""" self.__ea = ea self.__type = tp self.__fields = fld self.__options = None # Appcall options self.__timeout = None # Appcall timeout def __get_timeout(self): return self.__timeout def __set_timeout(self, v): self.__timeout = v timeout = property(__get_timeout, __set_timeout) """An Appcall instance can change its timeout value with this attribute""" def __get_options(self): return self.__options if self.__options != None else Appcall__.get_appcall_options() def __set_options(self, v): if self.timeout: # If timeout value is set, then put the timeout flag and encode the timeout value v |= Appcall__.APPCALL_TIMEOUT | (self.timeout << 16) else: # Timeout is not set, then clear the timeout flag v &= ~Appcall__.APPCALL_TIMEOUT self.__options = v options = property(__get_options, __set_options) """Sets the Appcall options locally to this Appcall instance""" def __call__(self, *args): """Make object callable. We redirect execution to idaapi.appcall()""" if self.ea is None: raise ValueError, "Object not callable!" # convert arguments to a list arg_list = list(args) # Save appcall options and set new global options old_opt = Appcall__.get_appcall_options() Appcall__.set_appcall_options(self.options) # Do the Appcall (use the wrapped version) e_obj = None try: r = _idaapi.appcall( self.ea, _idaapi.get_current_thread(), self.type, self.fields, arg_list) except Exception as e: e_obj = e # Restore appcall options Appcall__.set_appcall_options(old_opt) # Return or re-raise exception if e_obj: raise Exception, e_obj return r def __get_ea(self): return self.__ea def __set_ea(self, val): self.__ea = val ea = property(__get_ea, __set_ea) """Returns or sets the EA associated with this object""" def __get_size(self): if self.__type == None: return -1 r = _idaapi.calc_type_size(_idaapi.cvar.idati, self.__type) if not r: return -1 return r size = property(__get_size) """Returns the size of the type""" def __get_type(self): return self.__type type = property(__get_type) """Returns the typestring""" def __get_fields(self): return self.__fields fields = property(__get_fields) """Returns the field names""" def retrieve(self, src=None, flags=0): """ Unpacks a typed object from the database if an ea is given or from a string if a string was passed @param src: the address of the object or a string @return: Returns a tuple of boolean and object or error number (Bool, Error | Object). """ # Nothing passed? Take the address and unpack from the database if src is None: src = self.ea if type(src) == types.StringType: return _idaapi.unpack_object_from_bv(_idaapi.cvar.idati, self.type, self.fields, src, flags) else: return _idaapi.unpack_object_from_idb(_idaapi.cvar.idati, self.type, self.fields, src, flags) def store(self, obj, dest_ea=None, base_ea=0, flags=0): """ Packs an object into a given ea if provided or into a string if no address was passed. @param obj: The object to pack @param dest_ea: If packing to idb this will be the store location @param base_ea: If packing to a buffer, this will be the base that will be used to relocate the pointers @return: - If packing to a string then a Tuple(Boolean, packed_string or error code) - If packing to the database then a return code is returned (0 is success) """ # no ea passed? thus pack to a string if dest_ea is None: return _idaapi.pack_object_to_bv(obj, _idaapi.cvar.idati, self.type, self.fields, base_ea, flags) else: return _idaapi.pack_object_to_idb(obj, _idaapi.cvar.idati, self.type, self.fields, dest_ea, flags) # ----------------------------------------------------------------------- class Appcall_consts__(object): """Helper class used by Appcall.Consts attribute It is used to retrieve constants via attribute access""" def __init__(self, default=0): self.__default = default def __getattr__(self, attr): return Appcall__.valueof(attr, self.__default) # ----------------------------------------------------------------------- class Appcall__(object): APPCALL_MANUAL = 0x1 """ Only set up the appcall, do not run it. you should call CleanupAppcall() when finished """ APPCALL_DEBEV = 0x2 """ Return debug event information If this bit is set, exceptions during appcall will generate idc exceptions with full information about the exception """ APPCALL_TIMEOUT = 0x4 """ Appcall with timeout The timeout value in milliseconds is specified in the high 2 bytes of the 'options' argument: If timed out, errbuf will contain "timeout". """ def __init__(self): self.__consts = Appcall_consts__() def __get_consts(self): return self.__consts Consts = property(__get_consts) """Use Appcall.Consts.CONST_NAME to access constants""" @staticmethod def __name_or_ea(name_or_ea): """ Function that accepts a name or an ea and checks if the address is enabled. If a name is passed then idaapi.get_name_ea() is applied to retrieve the name @return: - Returns the resolved EA or - Raises an exception if the address is not enabled """ # a string? try to resolve it if type(name_or_ea) == types.StringType: ea = _idaapi.get_name_ea(_idaapi.BADADDR, name_or_ea) else: ea = name_or_ea # could not resolve name or invalid address? if ea == _idaapi.BADADDR or not _idaapi.isEnabled(ea): raise ValueError, "Undefined function " + name_or_ea return ea @staticmethod def proto(name_or_ea, prototype, flags = None): """ Allows you to instantiate an appcall (callable object) with the desired prototype @param name_or_ea: The name of the function (will be resolved with LocByName()) @param prototype: @return: - On failure it raises an exception if the prototype could not be parsed or the address is not resolvable - Returns a callbable Appcall instance with the given prototypes and flags """ # resolve and raise exception on error ea = Appcall__.__name_or_ea(name_or_ea) # parse the type if flags is None: flags = 1 | 2 | 4 # PT_SIL | PT_NDC | PT_TYP result = _idaapi.idc_parse_decl(_idaapi.cvar.idati, prototype, flags) if result is None: raise ValueError, "Could not parse type: " + prototype # Return the callable method with type info return Appcall_callable__(ea, result[1], result[2]) def __getattr__(self, name_or_ea): """Allows you to call functions as if they were member functions (by returning a callable object)""" # resolve and raise exception on error ea = self.__name_or_ea(name_or_ea) if ea == _idaapi.BADADDR: raise ValueError, "Undefined function " + name # Return the callable method return Appcall_callable__(ea) def __getitem__(self, idx): """ Use self[func_name] syntax if the function name contains invalid characters for an attribute name See __getattr___ """ return self.__getattr__(idx) @staticmethod def valueof(name, default=0): """ Returns the numeric value of a given name string. If the name could not be resolved then the default value will be returned """ t, v = _idaapi.get_name_value(_idaapi.BADADDR, name) if t == 0: # NT_NONE v = default return v @staticmethod def int64(v): """Whenever a 64bit number is needed use this method to construct an object""" return PyIdc_cvt_int64__(v) @staticmethod def byref(val): """ Method to create references to immutable objects Currently we support references to int/strings Objects need not be passed by reference (this will be done automatically) """ return PyIdc_cvt_refclass__(val) @staticmethod def buffer(str = None, size = 0, fill="\x00"): """ Creates a string buffer. The returned value (r) will be a byref object. Use r.value to get the contents and r.size to get the buffer's size """ if str is None: str = "" left = size - len(str) if left > 0: str = str + (fill * left) r = Appcall__.byref(str) r.size = size return r @staticmethod def obj(**kwds): """Returns an empty object or objects with attributes as passed via its keywords arguments""" return object_t(**kwds) @staticmethod def cstr(val): return as_cstr(val) @staticmethod def unicode(s): return as_unicode(s) @staticmethod def array(type_name): """Defines an array type. Later you need to pack() / unpack()""" return Appcall_array__(type_name) @staticmethod def typedobj(typestr, ea=None): """ Parses a type string and returns an appcall object. One can then use retrieve() member method @param ea: Optional parameter that later can be used to retrieve the type @return: Appcall object or raises ValueError exception """ # parse the type result = _idaapi.idc_parse_decl(_idaapi.cvar.idati, typestr, 1 | 2 | 4) # PT_SIL | PT_NDC | PT_TYP if result is None: raise ValueError, "Could not parse type: " + typestr # Return the callable method with type info return Appcall_callable__(ea, result[1], result[2]) @staticmethod def set_appcall_options(opt): """Method to change the Appcall options globally (not per Appcall)""" old_opt = Appcall__.get_appcall_options() _idaapi.cvar.inf.appcall_options = opt return old_opt @staticmethod def get_appcall_options(): """Return the global Appcall options""" return _idaapi.cvar.inf.appcall_options @staticmethod def cleanup_appcall(tid = 0): """Equivalent to IDC's CleanupAppcall()""" return _idaapi.cleanup_appcall(tid) Appcall = Appcall__() # # ---------------------------------------------------------------------------------------------------------------------------------------------- # a = Appcall # Take a shortcut to Appcall c = Appcall.Consts # take shortcut to constants # ----------------------------------------------------------------------- # - Adds missing types # - ... def init(): # add neeeded types if a.valueof("ERROR_FILE_NOT_FOUND") == 0: add_type("MACRO_ERROR") setattr(c, "ERROR_FILE_NOT_FOUND", 2) if a.valueof("MEM_COMMIT") == 0: add_type("MACRO_PAGE") # open log file global test_log try: test_log = file("python_test.log", "a") except: test_log = None # ----------------------------------------------------------------------- def deinit(): global test_log test_log.close() test_log = None return 1 # ----------------------------------------------------------------------- def logprint(s): if not test_log: print s else: test_log.write(s + "\n") return 1 # ----------------------------------------------------------------------- def add_type(t): print "adding type:", t idaapi.import_type(idaapi.cvar.idati, 0, t) # ----------------------------------------------------------------------- def test_init(): hmod = getmodulehandlew(a.unicode("kernel32.dll")) print "k32hmod=%x" % hmod if hmod == 0: return -1 p = getprocaddr(hmod, "VirtualAlloc") if p == 0: return -2 print "VirtualAlloc->%x" % p virtualalloc.ea = p p = getprocaddr(hmod, "VirtualFree") if p == 0: return -3 print "VirtualFree->%x" % p virtualfree.ea = p m = virtualalloc(0, c.MEM_COMMIT, 0x1000, c.PAGE_EXECUTE_READWRITE) idc.RefreshDebuggerMemory() print "%x: allocated memory\n" % m global WRITE_AREA WRITE_AREA = m return 1 # ----------------------------------------------------------------------- def test_deinit(): virtualfree(WRITE_AREA, 0, c.MEM_FREE) # ----------------------------------------------------------------------- # Tests changedir/setdir/buffer creation (two methods) and cstr() def test_enum_files(): # create a buffer savedpath = a.byref("\x00" * 260) # get current directory n = getcurdir(250, savedpath) out = [] out.append("curdir=%s" % savedpath.value[0:n]) # get windir windir = a.buffer(size=260) # create a buffer using helper function n = getwindir(windir, windir.size) if n == 0: return -1 # could not get current directory windir = windir.value[:n] out.append("windir=%s" % windir) # change to windows folder setcurdir(windir) # initiate find fd = a.obj() h = findfirst("*.exe", fd) if h == -1: return -2 # no files found! found = -6 while True: fn = a.cstr(fd.cFileName) if "regedit" in fn: found = 1 out.append("fn=%s<" % fn) fd = a.obj() # reset the FD object ok = findnext(h, fd) if not ok: break # findclose(h) # restore cur dir setcurdir(savedpath.value) # verify t = a.buffer(size=260) n = getcurdir(t.size, t) if t.cstr() != savedpath.cstr(): return -4 # could not restore cur dir out.append("curdir=%s<" % t.cstr()) # print "all done!" # for l in out: # print l return found # ----------------------------------------------------------------------- def test_gpa(): h = loadlib("user32.dll") if h == 0: print "failed to load library!" return -1 p = getprocaddr(h, "FindWindowA") if p == 0: print "failed to gpa!" return -2 findwin = a.proto(p, "int FindWindow(LPCTSTR lpClassName, LPCTSTR lpWindowName);") hwnd = findwin("TIdaWindow", 0) freelib(h) print "%x: ok!->hwnd=%x" % (p, hwnd) return 1 # ----------------------------------------------------------------------- def test_loaddll(): h = loadlib("twain_32.dll") if h == 0: print "failed to load twain32 library!" return -1 return 1 # ----------------------------------------------------------------------- # Packs a simple structure (into the database) and unpacks it back using the idaapi methods def test_pck_idb_raw(): name, tp, flds = idc.ParseType("struct { int a, b; char x[5];};", 0) o = a.obj(a=15, b=17,x="hi") idaapi.pack_object_to_idb(o, idaapi.cvar.idati, tp, flds, WRITE_AREA, 0) ok, obj = idaapi.unpack_object_from_idb(idaapi.cvar.idati, tp, flds, WRITE_AREA, 0) if obj.a != 15 and obj.b != 17 and obj != "hi": return -2 return 1 # ----------------------------------------------------------------------- # Packs a simple structure (into a string) and unpacks it back using the idaapi methods def test_pck_bv_raw(): name, tp, flds = idc.ParseType("struct { int a; char x[5]; int b;};", 0) va,vb,vx = 15,17,"hi" o = a.obj(a=va, b=vb,x=vx) ok, s = idaapi.pack_object_to_bv(o, idaapi.cvar.idati, tp, flds, WRITE_AREA, 0) if not ok: return -1 ok, obj = idaapi.unpack_object_from_idb(idaapi.cvar.idati, tp, flds, WRITE_AREA, 0) if obj.a != va and obj.b != vb and obj.x != vx: return -2 return 1 # ----------------------------------------------------------------------- # 1. Unpacks the DOS header at 0x400000 and verify the fields # 2. Unpacks a string and see if it is unpacked correctly def test_unpack_raw(): name, tp, flds = idc.ParseType("IMAGE_DOS_HEADER;", 0) ok, obj = idaapi.unpack_object_from_idb(idaapi.cvar.idati, tp, flds, 0x400000, 0) if obj.e_magic != 23117 and obj.e_cblp != 144: return -1 name, tp, flds = idc.ParseType("struct abc_t { int a, b;};", 0) ok, obj = idaapi.unpack_object_from_bv(idaapi.cvar.idati, tp, flds, "\x01\x00\x00\x00\x02\x00\x00\x00", 0) if obj.a != 1 and obj.b != 2: return -2 return 1 # ----------------------------------------------------------------------- # Packs/Unpacks a structure to the database using appcall facilities def test_pck_idb(): print "%x: ..." % WRITE_AREA tp = a.typedobj("struct { int a, b; char x[5];};") o = a.obj(a=16, b=17,x="zzzhi") if tp.store(o, WRITE_AREA) != 0: return -1 idc.RefreshDebuggerMemory() ok, r = tp.retrieve(WRITE_AREA) if not ok: return -2 if r.a != o.a and r.b != o.b and r.x != o.x: return -3 return 1 # ----------------------------------------------------------------------- # Packs/Unpacks a structure to/from a string def test_pck_bv(): tp = a.typedobj("struct { int a, b; char x[5];};") o = a.obj(a=16, b=17,x="zzzhi") ok, packed = tp.store(o) if not ok: return -1 print "packed->", repr(packed) ok, r = tp.retrieve(packed) if not ok: return -2 if r.a != o.a and r.b != o.b and r.x != o.x: return -3 return 1 # ----------------------------------------------------------------------- def test_local_types(): (type, fields) = GetLocalTinfo(1) if not type: return -1 decl = GetLocalType(1, PRTYPE_MULTI) if decl != "enum\n"\ + "{\n"\ + " FEATURE_OBJECT_CACHING = 0x0,\n"\ + " FEATURE_ZONE_ELEVATION = 0x1,\n"\ + " FEATURE_MIME_HANDLING = 0x2,\n"\ + " FEATURE_MIME_SNIFFING = 0x3,\n"\ + " FEATURE_WINDOW_RESTRICTIONS = 0x4,\n"\ + " FEATURE_WEBOC_POPUPMANAGEMENT = 0x5,\n"\ + " FEATURE_BEHAVIORS = 0x6,\n"\ + " FEATURE_DISABLE_MK_PROTOCOL = 0x7,\n"\ + " FEATURE_LOCALMACHINE_LOCKDOWN = 0x8,\n"\ + " FEATURE_SECURITYBAND = 0x9,\n"\ + " FEATURE_RESTRICT_ACTIVEXINSTALL = 0xA,\n"\ + " FEATURE_VALIDATE_NAVIGATE_URL = 0xB,\n"\ + " FEATURE_RESTRICT_FILEDOWNLOAD = 0xC,\n"\ + " FEATURE_ADDON_MANAGEMENT = 0xD,\n"\ + " FEATURE_PROTOCOL_LOCKDOWN = 0xE,\n"\ + " FEATURE_HTTP_USERNAME_PASSWORD_DISABLE = 0xF,\n"\ + " FEATURE_SAFE_BINDTOOBJECT = 0x10,\n"\ + " FEATURE_UNC_SAVEDFILECHECK = 0x11,\n"\ + " FEATURE_GET_URL_DOM_FILEPATH_UNENCODED = 0x12,\n"\ + " FEATURE_TABBED_BROWSING = 0x13,\n"\ + " FEATURE_SSLUX = 0x14,\n"\ + " FEATURE_DISABLE_NAVIGATION_SOUNDS = 0x15,\n"\ + " FEATURE_DISABLE_LEGACY_COMPRESSION = 0x16,\n"\ + " FEATURE_FORCE_ADDR_AND_STATUS = 0x17,\n"\ + " FEATURE_XMLHTTP = 0x18,\n"\ + " FEATURE_DISABLE_TELNET_PROTOCOL = 0x19,\n"\ + " FEATURE_FEEDS = 0x1A,\n"\ + " FEATURE_BLOCK_INPUT_PROMPTS = 0x1B,\n"\ + " FEATURE_ENTRY_COUNT = 0x1C,\n"\ + "} _tagINTERNETFEATURELIST\n": print "decl = " + decl return -2 return 1 # various tests def test1(stage): # call a method that takes a string buffer and appends a dot to its end if stage == st_ref2: buf = a.buffer("test", 100) vals = [378, 424, 470] for i in xrange(0, 2+1): n = a._ref2(buf) if buf.value[4+i] != '.': return -st_ref2 if vals[i] != n: return -stage # call a method that takes an integer reference elif stage == st_ref1: v = 5 i = a.byref(v) a._ref1(i) if v + 1 != i.value: return -stage # call a method that takes an array of integers elif stage == st_ref3: # create an array type arr = a.array("int") # create a list L = [x for x in xrange(1, 10)] # pack the list p_list = arr.pack(L) # appcall to compute the total c_total = a._ref3(p_list, len(L)) # internally compute the total total = reduce(operator.add, L) if total != c_total: return -stage # subst() elif stage == st_subst: v = a._subst(5, 1) if v != 4: return -stage v = subst(5, 1) # subst() / pascal if v != -4: return -stage*2 elif stage == st_make2: x = a._str2_make(5) s = a.cstr(x.next.str) # print "len=%d;<%s>" % (len(s), s) if s != "This is string 2": return -stage n = a._str2_print(x) if n != 5: return -st_make2*2 elif stage == st_make1: x = a._str1_make(6) if x.val != 1 and x.next.val != 2: return -st_make1 n = a._str1_print(x) if n != 6: return -stage # 64bit test elif stage == st_make3: global gr try: x = a._str3_make(6) gr = x except Exception as e: print "Exception: ", str(e) return -stage print "x.val32=", x.val32 if (x.val32 != 1) and (x.val64 != (1 << 32)): return -stage * 2 va = 0 vb = 0 r = x i = 0 while x != 0: i += 1 print "1" va += x.val32 print "2" vb += x.val64.value print "3" x = x.next print "i=", i, "a=", va, "b=", vb if va != 21 and vb != 90194313216: return -stage*3 elif stage == st_asm: n = asm1(5, 1) if n != 4: return -stage n = asm2(5, 1, 1) if n != 7: return -stage*2 elif stage == st_byvalref1: v1 = a.obj(val=5, next=0) v2 = a.obj(str="Hello", next=0) n = a._byvalref1(v1, 1, v2) if n != 78: return -stage # v1 is passed by ref, thus it will be changed if n + 1 != v1.val: return -stage * 2 elif stage == st_altsum: # 1 + 2 - 3 + 5 = 5 n = altsum(1, 2, 3, 5, 0) if n != 5: return -stage; elif stage == st_op64: # invalid opcode, should return -1 r = a._op_two64(1, 2, 6).value print "r=", r if r != -1: return -stage r = a._op_two64(6, a.int64(2), 3).value if r != 12: return -stage * 2 return 1 elif stage == st_byval3: o = a.obj(val=6,next=a.obj(val=-1, next=0)) # print "before: o.val=%d o.next.val=%d" % (o.val, o.next.val) n = a._byval3(o) if n != 5: return -stage # print "after: o.val=%d o.next.val=%d, n=%d" % (o.val, o.next.val, n) #--------- elif stage == st_ex: def doit(): try: # causes a DebugBreak() a._ex2(1) except Exception as e: if not "Software breakpoint" in e.message: return -stage try: a._ex1(1, 2) return -st_ex * 2 except Exception as e: if not "referenced memory" in e.message: return -stage return 1 old = a.set_appcall_options(0) r = doit() a.set_appcall_options(old) if r <= 0: return r #--------- elif stage == st_ref4: i = a.int64(5) v = a.byref(i) if a._ref4(v) != 1: return -st_ref4 # test (in case recycling failed) if v.value.value != 6: return -st_ref4 * 2 # test recycling if i.value != 6: return -st_ref4 * 3 # return success return 1 # ----------------------------------------------------------------------- def test2(): fn = "pc_win32_appcall.pe" # Try to open an non-existing file h = a._file_open(fn + ".1") if h != 0: return -1 n = getlasterror() print "gle=", n if n != c.ERROR_FILE_NOT_FOUND: return -2 # Should succeed h = a._file_open(fn) if h == 0: return -3 s = a.buffer("", 10, "!") n = a._file_read(h, s, 2) # print "read=%d; buf=%s" % (n, repr(s.value)) if s.value[:2] != "MZ": return -4 n = a._file_close(h) if n != h-1: return -5 return 1 # ----------------------------------------------------------------------- # This test changes the appcall options and sees if the appcall # generates an exception and if we get it properly # An appcall can throw an exception: # - ValueError: conversion from/to idc/py failed # - OSError: an OSError when APPCALL_DEBEV in Appcall_Options. In that case check the exc.args[0] to get the debug event # - Exception: in all other cases def test_exec_throw(): old = a.set_appcall_options(0) print "old_opt=", old, "new=0" try: # causes a divide by zero exception (will be reported as an Exception) print a._op_two64(2,0,4).value return -1 except Exception as e: print "runtime error!" # now appcall exceptions will be reported as OSErr and other exceptions as Exception print "old_opt=", a.set_appcall_options(a.APPCALL_DEBEV), "new=2" try: # causes an error: Wrong number of arguments print a._op_two64(2).value return -2 except OSError, e: return -3 except Exception as e: print "Got other exception:", e # good try: # causes an OS error and "e" will contain the last debug_event # in our case exception, and the code is int_divide_zero = 0xC0000094 print a._op_two64(2, 0, 4).value return -4 except OSError, e: if idaapi.as_uint32(e.args[0].code) != 0xC0000094: return -5 except Exception as e: print "Got other exception:", e return -6 a.set_appcall_options(old) return 1 # ----------------------------------------------------------------------- # all the tests that take zero parameters tests0 = (test_gpa, test_pck_idb_raw, test_pck_bv_raw, test_unpack_raw, test_pck_idb, test_pck_bv, test_local_types, test_enum_files, test2, test_exec_throw, test_loaddll) test_log = None # test log file # ----------------------------------------------------------------------- def test_all(): if test_init() <= 0: print "test_init() failed!" return -1 # tests 0 for t in tests0: print "testing->", t r = t() if r <= 0: return r # test 1 for i in xrange(1, st_last): print "test1 #", i r = test1(i) if r <= 0: return r logprint(datetime.date.today().strftime("Python was here: %Y-%m-%d @ %I:%M:%S%p")) test_deinit() return 1 # ----------------------------------------------------------------------- init() # reference to an integer. use i.value to dereference i = a.byref(5) # object representing the str1_t type o = a.obj(val=5,next=a.obj(val=-2, next=0)) # dictionary representing the str1_t type # (dictionaries will be converted into IDC objects) d = {'val':5, 'next': {'val':-2, 'next':0} } # initialize some pointers findfirst = a["__imp__FindFirstFileA@8"] findnext = a["__imp__FindNextFileA@8"] findclose = a["__imp__FindClose@4"] getlasterror = a["__imp__GetLastError@0"] setcurdir = a["__imp__SetCurrentDirectoryA@4"] beep = a["__imp__Beep@8"] getwindir = a["__imp__GetWindowsDirectoryA@8"] getprocaddr = a.proto("__imp__GetProcAddress@8", "int (__stdcall *GetProcAddress)(int hModule, LPCSTR lpProcName);") getcurdir = a["__imp__GetCurrentDirectoryA@8"] loadlib = a.proto("__imp__LoadLibraryA@4", "int (__stdcall *LoadLibraryA)(const char *lpLibFileName);") freelib = a.proto("__imp__FreeLibrary@4", "int (__stdcall *FreeLibrary)(int hLibModule);") setlasterror = a.typedobj("void __stdcall SetLastError(int dwErrCode);") getmodulehandlew = a.proto("__imp__GetModuleHandleW@4", "int (__stdcall *GetModuleHandleW)(LPCWSTR lpModuleName);") virtualalloc = a.typedobj("int __stdcall VirtualAlloc(int lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);") # typed objects can become calling if an EA was provided. Thus virtualfree.ea = some_address, then we can call virtualfree(., .., ...) virtualfree = a.typedobj("BOOL __stdcall VirtualFree(int lpAddress, SIZE_T dwSize, DWORD dwFreeType);") asm1 = a.proto("_asm1", "int __usercall asm1(int a, int b);") asm2 = a.proto("_asm2", "int __usercall asm2(int a, int b, int c);") asm3 = a.proto("_asm3", "int __usercall asm3(int f, int a, int b, int c);") asm4 = a.proto("_asm4", "unsigned __int16 __usercall asm4(unsigned __int8 a, unsigned __int8 b);") asm5 = a.proto("_asm5", "unsigned int __usercall asm5(unsigned __int8 a, unsigned __int8 b, unsigned __int8 c
, int d);") altsum = a.proto("_va_altsum", "int __cdecl va_altsum(int n1, ...);") getcommandline = a.proto("__imp__GetCommandLineA@0", "LPSTR (__stdcall *GetCommandLineA)();") # make an appcall with a user defined prototype subst = a.proto("_subst", "int __pascal subst(int a, int b);") # some test identifiers st_ref1 = 1 st_ref2 = 2 st_ref3 = 3 st_subst = 4 st_make1 = 5 st_make2 = 6 st_asm = 7 st_ex = 8 st_byval3 = 9 st_byvalref1 = 10 st_altsum = 11 st_make3 = 12 st_op64 = 13 st_ref4 = 14 st_last = 15 # some area where we can write some bytes _safely_ WRITE_AREA = 0x400020 gr = None # # initialize the test #test_init()