cemu-idapython/swig/idaapi.i
elias.bachaalany b935e24aba - some code cleanup
- added idaapi. struct_unpack / copy_bits / as_signed utility functions
- added pywraps.hpp utility header
2010-03-05 11:16:27 +00:00

1116 lines
33 KiB
OpenEdge ABL

%module(docstring="IDA Pro Plugin SDK API wrapper",directors="1") idaapi
// Suppress 'previous definition of XX' warnings
#pragma SWIG nowarn=302
// Enable automatic docstring generation
%feature(autodoc);
%{
#include <Python.h>
#define USE_DANGEROUS_FUNCTIONS 1
#ifdef HAVE_SSIZE_T
#define _SSIZE_T_DEFINED 1
#endif
#if defined(__NT__) && !defined(_WINDOWS_)
#define _WINDOWS_ // kernwin.hpp needs it to declare create_tform()
typedef void *HWND; // we don't need to include windows.h for just this definition
#endif
#include "ida.hpp"
#include "idp.hpp"
#include "allins.hpp"
#include "auto.hpp"
#include "bytes.hpp"
#include "dbg.hpp"
#include "diskio.hpp"
#include "entry.hpp"
#include "enum.hpp"
#include "expr.hpp"
#include "frame.hpp"
#include "fixup.hpp"
#include "funcs.hpp"
#include "gdl.hpp"
#include "idd.hpp"
#include "ints.hpp"
#include "kernwin.hpp"
#include "lines.hpp"
#include "loader.hpp"
#include "moves.hpp"
#include "netnode.hpp"
#include "nalt.hpp"
#include "name.hpp"
#include "offset.hpp"
#include "queue.hpp"
#include "search.hpp"
#include "srarea.hpp"
#include "strlist.hpp"
#include "struct.hpp"
#include "typeinf.hpp"
#include "ua.hpp"
#include "xref.hpp"
#include "ieee.h"
#include "err.h"
#include "fpro.h"
#include <map>
#ifdef __NT__
#include "graph.hpp"
#endif
//<code(py_idaapi)>
#include "pywraps.hpp"
//------------------------------------------------------------------------
// String constants used
static const char PY_IDC_CLASS_NAME[] = "py_idc_object_class";
static const char PY_IDC_GLOBAL_VAR_FMT[] = "__py_cvt_gvar_%d";
static const char PY_IDCCVT_ID_ATTR[] = "__idc_cvt_id__";
static const char PY_IDCCVT_VALUE_ATTR[] = "__idc_cvt_value__";
static const char S_PY_IDC_OPAQUE_T[] = "py_idc_cvt_helper_t";
static const char S_PROPS[] = "props";
static const char S_NAME[] = "name";
static const char S_ASM_KEYWORD[] = "asm_keyword";
static const char S_MENU_NAME[] = "menu_name";
static const char S_HOTKEY[] = "hotkey";
static const char S_VALUE_SIZE[] = "value_size";
static const char S_MAY_CREATE_AT[] = "may_create_at";
static const char S_CALC_ITEM_SIZE[] = "calc_item_size";
static const char S_ID[] = "id";
static const char S_PRINTF[] = "printf";
static const char S_TEXT_WIDTH[] = "text_width";
static const char S_SCAN[] = "scan";
static const char S_ANALYZE[] = "analyze";
static const char S_CBSIZE[] = "cbsize";
static const char S_ON_CLICK[] = "OnClick";
static const char S_ON_CLOSE[] = "OnClose";
static const char S_ON_DBL_CLICK[] = "OnDblClick";
static const char S_ON_CURSOR_POS_CHANGED[] = "OnCursorPosChanged";
static const char S_ON_KEYDOWN[] = "OnKeydown";
static const char S_ON_POPUP[] = "OnPopup";
static const char S_ON_HINT[] = "OnHint";
static const char S_ON_POPUP_MENU[] = "OnPopupMenu";
static const char S_ON_EDIT_LINE[] = "OnEditLine";
static const char S_ON_INSERT_LINE[] = "OnInsertLine";
static const char S_ON_GET_LINE[] = "OnGetLine";
static const char S_ON_DELETE_LINE[] = "OnDeleteLine";
static const char S_ON_REFRESH[] = "OnRefresh";
static const char S_ON_SELECT_LINE[] = "OnSelectLine";
static const char S_ON_COMMAND[] = "OnCommand";
static const char S_ON_GET_ICON[] = "OnGetIcon";
static const char S_ON_GET_LINE_ATTR[] = "OnGetLineAttr";
static const char S_ON_GET_SIZE[] = "OnGetSize";
static const char S_ON_GETTEXT[] = "OnGetText";
static const char S_ON_ACTIVATE[] = "OnActivate";
static const char S_ON_DEACTIVATE[] = "OnDeactivate";
static const char S_ON_SELECT[] = "OnSelect";
static const char S_M_EDGES[] = "_edges";
static const char S_M_NODES[] = "_nodes";
static const char S_M_THIS[] = "_this";
static const char S_M_TITLE[] = "_title";
#ifdef __PYWRAPS__
static const char S_PY_IDAAPI_MODNAME[] = "__main__";
#else
static const char S_PY_IDAAPI_MODNAME[] = "idaapi";
#endif
//------------------------------------------------------------------------
// Constants used by get_idaapi_class_reference()
#define PY_CLSID_CVT_INT64 0
#define PY_CLSID_APPCALL_SKEL_OBJ 1
#define PY_CLSID_CVT_BYREF 2
#define PY_CLSID_LAST 3
//------------------------------------------------------------------------
static PyObject *py_cvt_helper_module = NULL;
static bool pywraps_initialized = false;
//------------------------------------------------------------------------
static idc_class_t *get_py_idc_cvt_opaque()
{
return find_idc_class(S_PY_IDC_OPAQUE_T);
}
//------------------------------------------------------------------------
// IDC Opaque object destructor: when the IDC object dies we kill the
// opaque Python object along with it
static const char py_idc_cvt_helper_dtor_args[] = { VT_OBJ, 0 };
static error_t idaapi py_idc_opaque_dtor(
idc_value_t *argv,
idc_value_t *res)
{
// Get the value from the object
idc_value_t idc_val;
VarGetAttr(&argv[0], PY_IDCCVT_VALUE_ATTR, &idc_val);
// Extract the Python object reference
PyObject *py_obj = (PyObject *)idc_val.pvoid;
// Decrease its reference (and eventually destroy it)
Py_DECREF(py_obj);
return eOk;
}
//------------------------------------------------------------------------
// This function must be called on initialization
bool init_pywraps()
{
if (pywraps_initialized)
return true;
// Take a reference to the idaapi python module
// (We need it to create instances of certain classes)
if (py_cvt_helper_module == NULL)
{
// Take a reference to the module so we can create the needed class instances
py_cvt_helper_module = PyImport_TryImportModule(S_PY_IDAAPI_MODNAME);
if (py_cvt_helper_module == NULL)
return false;
}
if (get_py_idc_cvt_opaque() == NULL)
{
// Add the class
idc_class_t *idc_cvt_opaque = add_idc_class(S_PY_IDC_OPAQUE_T);
if (idc_cvt_opaque == NULL)
return false;
// Form the dtor name
char dtor_name[MAXSTR];
qsnprintf(dtor_name, sizeof(dtor_name), "%s.dtor", S_PY_IDC_OPAQUE_T);
// register the dtor function
if (!set_idc_func(dtor_name, py_idc_opaque_dtor, py_idc_cvt_helper_dtor_args))
return false;
// Link the dtor function to the class
set_idc_dtor(idc_cvt_opaque, dtor_name);
}
pywraps_initialized = true;
return true;
}
//------------------------------------------------------------------------
// This function must be called on de-initialization
void deinit_pywraps()
{
if (!pywraps_initialized)
return;
pywraps_initialized = false;
Py_XDECREF(py_cvt_helper_module);
py_cvt_helper_module = NULL;
}
//------------------------------------------------------------------------
// Gets a class type reference in idaapi
// With the class type reference we can create a new instance of that type
// This function takes a reference to the idaapi module and keeps the reference
static PyObject *get_idaapi_class_reference(const int class_id)
{
if (class_id >= PY_CLSID_LAST)
return NULL;
// Some class names. The array is parallel with the PY_CLSID_xxx consts
static const char *class_names[]=
{
"PyIdc_cvt_int64__",
"Appcall_object__",
"PyIdc_cvt_refclass__"
};
return PyObject_GetAttrString(py_cvt_helper_module, class_names[class_id]);
}
//------------------------------------------------------------------------
// Returns an attribute or NULL
// No errors will be set if the attribute did not exist
PyObject *PyObject_TryGetAttrString(PyObject *py_var, const char *attr)
{
if (!PyObject_HasAttrString(py_var, attr))
return NULL;
return PyObject_GetAttrString(py_var, attr);
}
//------------------------------------------------------------------------
// Tries to import a module and clears the exception on failure
PyObject *PyImport_TryImportModule(const char *name)
{
PyObject *result = PyImport_ImportModule(name);
if (result != NULL)
return result;
if (PyErr_Occurred())
PyErr_Clear();
return NULL;
}
//-------------------------------------------------------------------------
// Converts a Python number into an IDC value (32 or 64bits)
// The function will first try to convert the number into a 32bit value
// If the number does not fit then VT_INT64 will be used
// NB: This function cannot properly detect if the Python value should be
// converted to a VT_INT64 or not. For example: 2**32-1 = 0xffffffff which
// can fit in a C long but Python creates a PyLong object for it.
// And because of that we are confused as to whether to convert to 32 or 64
bool PyGetNumberAsIDC(PyObject *py_var, idc_value_t *idc_var)
{
if (!(PyInt_CheckExact(py_var) || PyLong_CheckExact(py_var)))
return false;
// Can we convert to C long?
long l = PyInt_AsLong(py_var);
if (!PyErr_Occurred())
{
idc_var->set_long(l);
return true;
}
// Clear last error
PyErr_Clear();
// Can be fit into a C unsigned long?
l = (long) PyLong_AsUnsignedLong(py_var);
if (!PyErr_Occurred())
{
idc_var->set_long(l);
return true;
}
PyErr_Clear();
idc_var->set_int64(PyLong_AsLongLong(py_var));
return true;
}
//-------------------------------------------------------------------------
// Parses a Python object as a long or long long
bool PyGetNumber(PyObject *py_var, uint64 *num, bool *is_64)
{
if (!(PyInt_CheckExact(py_var) || PyLong_CheckExact(py_var)))
return false;
// Can we convert to C long?
long l = PyInt_AsLong(py_var);
if (!PyErr_Occurred())
{
if (num != NULL)
*num = uint64(l);
if (is_64 != NULL)
*is_64 = false;
return true;
}
// Clear last error
PyErr_Clear();
// Can be fit into a C unsigned long?
unsigned long ul = PyLong_AsUnsignedLong(py_var);
if (!PyErr_Occurred())
{
if (num != NULL)
*num = uint64(ul);
if (is_64 != NULL)
*is_64 = false;
return true;
}
PyErr_Clear();
PY_LONG_LONG ll = PyLong_AsLongLong(py_var);
if (!PyErr_Occurred())
{
if (num != NULL)
*num = uint64(ll);
if (is_64 != NULL)
*is_64 = true;
return true;
}
PyErr_Clear();
return false;
}
//-------------------------------------------------------------------------
// Checks if a given object is of sequence type
bool PyIsSequenceType(PyObject *obj)
{
if (!PySequence_Check(obj))
return false;
Py_ssize_t sz = PySequence_Size(obj);
if (sz == -1 || PyErr_Occurred() != NULL)
{
PyErr_Clear();
return false;
}
return true;
}
//-------------------------------------------------------------------------
// Returns the string representation of an object
bool PyObjectToString(PyObject *obj, qstring *out)
{
PyObject *py_str = PyObject_Str(obj);
if (py_str != NULL)
{
*out = PyString_AsString(py_str);
Py_DECREF(py_str);
return true;
}
else
{
out->qclear();
return false;
}
}
//--------------------------------------------------------------------------
// Checks if a Python error occured and fills the out parameter with the
// exception string
bool PyGetError(qstring *out)
{
PyObject *py_err;
if ((py_err = PyErr_Occurred()) == NULL)
return false;
PyObject *err_type, *err_value, *err_traceback;
PyErr_Fetch(&err_type, &err_value, &err_traceback);
if ( out != NULL )
PyObjectToString(err_value, out);
return true;
}
//-------------------------------------------------------------------------
// A loud version of PyGetError() which gets the error and displays it
bool PyShowErr(const char *cb_name)
{
static qstring err_str;
if (!PyGetError(&err_str))
return false;
warning("IDAPython: Error while calling Python callback <%s>:\n%s", cb_name, err_str.c_str());
return true;
}
//-------------------------------------------------------------------------
// Checks if the given py_var is a special PyIdc_cvt_helper object.
// It does that by examining the magic attribute and returns its numeric value.
// It returns -1 if the object is not a recognized helper object.
// Any Python object can be treated as an cvt object if this attribute is created.
static int get_pyidc_cvt_type(PyObject *py_var)
{
// Check if this our special by reference object
PyObject *attr = PyObject_TryGetAttrString(py_var, PY_IDCCVT_ID_ATTR);
if (attr == NULL)
return -1;
if (!(PyInt_Check(attr) || PyLong_Check(attr)))
{
Py_DECREF(attr);
return -1;
}
int r = (int)PyInt_AsLong(attr);
Py_DECREF(attr);
return r;
}
//-------------------------------------------------------------------------
// Utility function to create opaque / convertible Python <-> IDC variables
// The referred Python variable will have its reference increased
static bool create_py_idc_opaque_obj(PyObject *py_var, idc_value_t *idc_var)
{
// Create an IDC object of this special helper class
if (VarObject(idc_var, get_py_idc_cvt_opaque()) != eOk)
return false;
// Store the CVT id
idc_value_t idc_val;
idc_val.set_long(PY_ICID_OPAQUE);
VarSetAttr(idc_var, PY_IDCCVT_ID_ATTR, &idc_val);
// Store the value as a PVOID referencing the given Python object
idc_val.set_pvoid(py_var);
VarSetAttr(idc_var, PY_IDCCVT_VALUE_ATTR, &idc_val);
return true;
}
//-------------------------------------------------------------------------
// Converts a Python variable into an IDC variable
// This function returns on one CIP_XXXX
int pyvar_to_idcvar(
PyObject *py_var,
idc_value_t *idc_var,
int *gvar_sn)
{
PyObject *attr;
// None / NULL
if (py_var == NULL || py_var == Py_None)
idc_var->set_long(0);
// Numbers?
else if (PyGetNumberAsIDC(py_var, idc_var))
return CIP_OK;
// String
else if (PyString_Check(py_var))
idc_var->_set_string(PyString_AsString(py_var), PyString_Size(py_var));
// Float
else if (PyBool_Check(py_var))
idc_var->set_long(py_var == Py_True ? 1 : 0);
// Boolean
else if (PyFloat_Check(py_var))
{
double dresult = PyFloat_AsDouble(py_var);
ieee_realcvt((void *)&dresult, idc_var->e, 3);
idc_var->vtype = VT_FLOAT;
}
// void*
else if (PyCObject_Check(py_var))
idc_var->set_pvoid(PyCObject_AsVoidPtr(py_var));
// Is it a Python list?
else if (PyList_CheckExact(py_var) || PyIsSequenceType(py_var))
{
// Create the object
VarObject(idc_var);
// Determine list size and type
bool is_seq = !PyList_CheckExact(py_var);
Py_ssize_t size = is_seq ? PySequence_Size(py_var) : PyList_Size(py_var);
bool ok = true;
qstring attr_name;
// Convert each item
for (Py_ssize_t i=0;i<size;i++)
{
// Get the item
PyObject *py_item = is_seq ? PySequence_GetItem(py_var, i) : PyList_GetItem(py_var, i);
// Convert the item into an IDC variable
idc_value_t v;
ok = pyvar_to_idcvar(py_item, &v, gvar_sn) >= CIP_OK;
if (ok)
{
// Form the attribute name
PyObject *py_int = PyInt_FromSsize_t(i);
ok = PyObjectToString(py_int, &attr_name);
if (!ok)
break;
Py_DECREF(py_int);
// Store the attribute
VarSetAttr(idc_var, attr_name.c_str(), &v);
}
// Sequences return a new reference for GetItem()
if (is_seq)
Py_DECREF(py_var);
if (!ok)
break;
}
return ok ? CIP_OK : CIP_FAILED;
}
// Dictionary: we convert to an IDC object
else if (PyDict_Check(py_var))
{
// Create an empty IDC object
VarObject(idc_var);
// Get the dict.items() list
PyObject *py_items = PyDict_Items(py_var);
// Get the size of the list
qstring key_name;
bool ok = true;
Py_ssize_t size = PySequence_Size(py_items);
for (Py_ssize_t i=0;i<size;i++)
{
// Get item[i] -> (key, value)
PyObject *py_item = PyList_GetItem(py_items, i);
// Extract key/value
PyObject *key = PySequence_GetItem(py_item, 0);
PyObject *val = PySequence_GetItem(py_item, 1);
// Get key's string representation
PyObjectToString(key, &key_name);
// Convert the attribute into an IDC value
idc_value_t v;
ok = pyvar_to_idcvar(val, &v, gvar_sn) >= CIP_OK;
if (ok)
{
// Store the attribute
VarSetAttr(idc_var, key_name.c_str(), &v);
}
Py_XDECREF(key);
Py_XDECREF(val);
if (!ok)
break;
}
// Decrement attribute reference
Py_DECREF(py_items);
return ok ? CIP_OK : CIP_FAILED;
}
// Possible function?
else if (PyCallable_Check(py_var))
{
idc_var->clear();
idc_var->vtype = VT_FUNC;
idc_var->funcidx = -1; // Does not apply
return CIP_OK;
}
// Objects:
// - pyidc_cvt objects: int64, byref, opaque
// - other python objects
else
{
// Get the type
int cvt_id = get_pyidc_cvt_type(py_var);
switch (cvt_id)
{
//
// INT64
//
case PY_ICID_INT64:
// Get the value attribute
attr = PyObject_TryGetAttrString(py_var, PY_IDCCVT_VALUE_ATTR);
if (attr == NULL)
return false;
idc_var->set_int64(PyLong_AsLongLong(attr));
Py_DECREF(attr);
return CIP_OK;
//
// BYREF
//
case PY_ICID_BYREF:
{
// BYREF always require this parameter
if (gvar_sn == NULL)
return CIP_FAILED;
// Get the value attribute
attr = PyObject_TryGetAttrString(py_var, PY_IDCCVT_VALUE_ATTR);
if (attr == NULL)
return CIP_FAILED;
// Create a global variable
char buf[MAXSTR];
qsnprintf(buf, sizeof(buf), PY_IDC_GLOBAL_VAR_FMT, *gvar_sn);
idc_value_t *gvar = add_idc_gvar(buf);
// Convert the python value into the IDC global variable
bool ok = pyvar_to_idcvar(attr, gvar, gvar_sn) >= CIP_OK;
if (ok)
{
(*gvar_sn)++;
// Create a reference to this global variable
VarRef(idc_var, gvar);
}
Py_DECREF(attr);
return ok ? CIP_OK : CIP_FAILED;
}
//
// OPAQUE
//
case PY_ICID_OPAQUE:
{
if (!create_py_idc_opaque_obj(py_var, idc_var))
return CIP_FAILED;
return CIP_OK_NODECREF;
}
//
// Other objects
//
default:
// A normal object?
PyObject *py_dir = PyObject_Dir(py_var);
Py_ssize_t size = PyList_Size(py_dir);
if (py_dir == NULL || !PyList_Check(py_dir) || size == 0)
{
Py_XDECREF(py_dir);
return CIP_FAILED;
}
// Create the IDC object
VarObject(idc_var);
for (Py_ssize_t i=0;i<size;i++)
{
PyObject *item = PyList_GetItem(py_dir, i);
const char *field_name = PyString_AsString(item);
if (field_name == NULL)
continue;
size_t len = strlen(field_name);
// skip private attributes
if ( (len > 2 )
&& (strncmp(field_name, "__", 2) == 0 )
&& (strncmp(field_name+len-2, "__", 2) == 0) )
{
continue;
}
idc_value_t v;
// Get the non-private attribute from the object
attr = PyObject_GetAttrString(py_var, field_name);
if (attr == NULL
// Convert the attribute into an IDC value
|| pyvar_to_idcvar(attr, &v, gvar_sn) < CIP_OK)
{
Py_XDECREF(attr);
return CIP_FAILED;
}
// Store the attribute
VarSetAttr(idc_var, field_name, &v);
// Decrement attribute reference
Py_DECREF(attr);
}
}
}
return CIP_OK;
}
//-------------------------------------------------------------------------
// Converts an IDC variable to a Python variable
// If py_var points to an existing object then the object will be updated
// If py_var points to an existing immutable object then ZERO is returned
// Returns one of CIP_xxxx. Check pywraps.hpp
int idcvar_to_pyvar(
const idc_value_t &idc_var,
PyObject **py_var)
{
switch (idc_var.vtype)
{
case VT_PVOID:
if (*py_var == NULL)
*py_var = PyCObject_FromVoidPtr(idc_var.pvoid, NULL);
else
return CIP_IMMUTABLE;
break;
case VT_INT64:
{
// Recycle?
if (*py_var != NULL)
{
// Recycling an int64 object?
int t = get_pyidc_cvt_type(*py_var);
if (t != PY_ICID_INT64)
return CIP_IMMUTABLE; // Cannot recycle immutable object
// Update the attribute
PyObject_SetAttrString(*py_var, PY_IDCCVT_VALUE_ATTR, PyLong_FromLongLong(idc_var.i64));
return CIP_OK;
}
PyObject *py_cls = get_idaapi_class_reference(PY_CLSID_CVT_INT64);
if (py_cls == NULL)
return CIP_FAILED;
*py_var = PyObject_CallFunctionObjArgs(py_cls, PyLong_FromLongLong(idc_var.i64), NULL);
Py_DECREF(py_cls);
break;
}
#if !defined(NO_OBSOLETE_FUNCS) || defined(__EXPR_SRC)
case VT_STR:
*py_var = PyString_FromString(idc_var.str);
break;
#endif
case VT_STR2:
if (*py_var == NULL)
{
const qstring &s = idc_var.qstr();
*py_var = PyString_FromStringAndSize(s.begin(), s.length());
break;
}
else
return CIP_IMMUTABLE; // Cannot recycle immutable object
case VT_LONG:
// Cannot recycle immutable objects
if (*py_var != NULL)
return CIP_IMMUTABLE;
#ifdef __EA64__
*py_var = PyLong_FromLongLong(idc_var.num);
#else
*py_var = PyLong_FromLong(idc_var.num);
#endif
break;
case VT_FLOAT:
if (*py_var == NULL)
{
double x;
if ( ph.realcvt(&x, (uint16 *)idc_var.e, (sizeof(x)/2-1)|010) != 0 )
INTERR();
*py_var = PyFloat_FromDouble(x);
break;
}
else
return CIP_IMMUTABLE;
case VT_REF:
{
if (*py_var == NULL)
{
PyObject *py_cls = get_idaapi_class_reference(PY_CLSID_CVT_BYREF);
if (py_cls == NULL)
return CIP_FAILED;
// Create a byref object with None value. We populate it later
*py_var = PyObject_CallFunctionObjArgs(py_cls, Py_None, NULL);
Py_DECREF(py_cls);
}
int t = *py_var == NULL ? -1 : get_pyidc_cvt_type(*py_var);
if (t != PY_ICID_BYREF)
return CIP_FAILED;
// Dereference
// (Since we are not using VREF_COPY flag, we can safely const_cast)
idc_value_t *dref_v = VarDeref(const_cast<idc_value_t *>(&idc_var), VREF_LOOP);
if (dref_v == NULL)
return CIP_FAILED;
// Can we recycle the object?
PyObject *new_py_val = PyObject_TryGetAttrString(*py_var, PY_IDCCVT_VALUE_ATTR);
if (new_py_val != NULL)
{
// Recycle
t = idcvar_to_pyvar(*dref_v, &new_py_val);
Py_XDECREF(new_py_val); // DECREF because of GetAttrStr
// Success? Nothing more to be done
if (t == CIP_OK)
return CIP_OK;
// Clear it so we don't recycle it
new_py_val = NULL;
}
// Try to convert (not recycle)
if (idcvar_to_pyvar(*dref_v, &new_py_val) != CIP_OK)
return CIP_FAILED;
// Update the attribute
PyObject_SetAttrString(*py_var, PY_IDCCVT_VALUE_ATTR, new_py_val);
Py_DECREF(new_py_val);
break;
}
// Can convert back into a Python object or Python dictionary
// (Depending if py_var will be recycled and it was a dictionary)
case VT_OBJ:
{
// Check if this IDC object has __cvt_id__ and the __idc_cvt_value__ fields
idc_value_t idc_val;
if ( VarGetAttr(&idc_var, PY_IDCCVT_ID_ATTR, &idc_val) == eOk
&& VarGetAttr(&idc_var, PY_IDCCVT_VALUE_ATTR, &idc_val) == eOk )
{
// Extract the object
*py_var = (PyObject *) idc_val.pvoid;
return CIP_OK_NODECREF;
}
PyObject *obj;
bool is_dict = false;
// Need to create a new object?
if (*py_var == NULL)
{
PyObject *py_cls = get_idaapi_class_reference(PY_CLSID_APPCALL_SKEL_OBJ);
if (py_cls == NULL)
return CIP_FAILED;
obj = PyObject_CallFunctionObjArgs(py_cls, NULL);
Py_DECREF(py_cls);
if (obj == NULL)
return CIP_FAILED;
}
else
{
// Recycle existing variable
obj = *py_var;
if (PyDict_Check(obj))
is_dict = true;
}
// Walk the IDC attributes and store into python
for (const char *attr_name = VarFirstAttr(&idc_var);
attr_name != NULL;
attr_name=VarNextAttr(&idc_var, attr_name))
{
// Get the attribute
idc_value_t v;
VarGetAttr(&idc_var, attr_name, &v, true);
// Convert attribute to a python value
PyObject *py_attr(NULL);
int cvt = idcvar_to_pyvar(v, &py_attr);
if (cvt <= CIP_IMMUTABLE)
{
// Delete the object (if we created it)
if (*py_var == NULL)
Py_DECREF(obj);
return CIP_FAILED;
}
if (is_dict)
PyDict_SetItemString(obj, attr_name, py_attr);
else
PyObject_SetAttrString(obj, attr_name, py_attr);
if (cvt == CIP_OK)
Py_DECREF(py_attr);
}
*py_var = obj;
break;
}
// Unhandled type
default:
*py_var = NULL;
return CIP_FAILED;
}
return CIP_OK;
}
//</code(py_idaapi)>
%}
// Do not create separate wrappers for default arguments
%feature("compactdefaultargs");
#ifdef __EA64__
#ifdef __GNUC__
%constant ea_t BADADDR = 0xFFFFFFFFFFFFFFFFll;
%constant sel_t BADSEL = 0xFFFFFFFFFFFFFFFFll;
%constant nodeidx_t BADNODE = 0xFFFFFFFFFFFFFFFFll;
#else // __GNUC__
%constant ea_t BADADDR = 0xFFFFFFFFFFFFFFFFui64;
%constant sel_t BADSEL = 0xFFFFFFFFFFFFFFFFui64;
%constant nodeidx_t BADNODE = 0xFFFFFFFFFFFFFFFFui64;
#endif // __GNUC__
#else //__EA64__
%constant ea_t BADADDR = 0xFFFFFFFFL;
%constant sel_t BADSEL = 0xFFFFFFFFL;
%constant nodeidx_t BADNODE = 0xFFFFFFFFL;
#endif
// Help SWIG to figure out the ulonglong type
#ifdef SWIGWIN
typedef unsigned __int64 ulonglong;
typedef __int64 longlong;
#else
typedef unsigned long long ulonglong;
typedef long long longlong;
#endif
typedef int error_t;
%include "typemaps.i"
%include "cstring.i"
%include "carrays.i"
%include "cpointer.i"
%include "typeconv.i"
%include "pro.h"
// Do not move this. We need to override the define from pro.h
#define CASSERT(type)
// Convert all of these
%cstring_output_maxstr_none(char *buf, size_t bufsize);
%binary_output_or_none(void *buf, size_t bufsize);
%binary_output_with_size(void *buf, size_t *bufsize);
// Accept single Python string for const void * + size input arguments
// For example: put_many_bytes() and patch_many_bytes()
%apply (char *STRING, int LENGTH) { (const void *buf, size_t size) };
%apply (char *STRING, int LENGTH) { (const void *buf, size_t len) };
%apply (char *STRING, int LENGTH) { (const void *value, size_t length) };
%apply (char *STRING, int LENGTH) { (const void *dataptr,size_t len) };
// Create wrapper classes for basic type arrays
%array_class(uchar, uchar_array);
%array_class(tid_t, tid_array);
%array_class(ea_t, ea_array);
%array_class(sel_t, sel_array);
%array_class(uval_t, uval_array);
%pointer_class(int, int_pointer);
%pointer_class(ea_t, ea_pointer);
%pointer_class(sval_t, sval_pointer);
%pointer_class(sel_t, sel_pointer);
%include "ida.i"
%include "idd.i"
%include "idp.i"
%include "netnode.i"
%include "nalt.i"
%include "allins.i"
%include "area.i"
%include "auto.i"
%include "bytes.i"
%include "dbg.i"
%include "diskio.i"
%include "entry.i"
%include "enum.i"
%include "expr.i"
%include "fixup.i"
%include "frame.i"
%include "funcs.i"
%inline {
/* Small wrapper to get the inf structure */
idainfo *get_inf_structure(void)
{
return &inf;
}
}
%include "gdl.i"
%include "ints.i"
%include "kernwin.i"
%include "lines.i"
%include "loader.i"
%include "moves.i"
%include "name.i"
%include "offset.i"
%include "queue.i"
%include "search.i"
%include "segment.i"
%include "srarea.i"
%include "strlist.i"
%include "struct.i"
%include "typeinf.i"
%include "ua.i"
%include "xref.i"
#ifdef __NT__
%include "graph.i"
#endif
%include "fpro.i"
%inline {
void set_script_timeout(int timeout);
void enable_extlang_python(bool enable);
void enable_python_cli(bool enable);
}
%pythoncode %{
#<pycode(py_idaapi)>
import struct
# -----------------------------------------------------------------------
# Seek constants
SEEK_SET = 0 # from the file start
SEEK_CUR = 1 # from the current position
SEEK_END = 2 # from the file end
# -----------------------------------------------------------------------
# This is a special helper object that helps detect which kind
# of object is this python object wrapping and how to convert it
# back and from IDC.
# This object is characterized by its special attribute and its value
class PyIdc_cvt_helper__(object):
def __init__(self, cvt_id, value):
# 0 = int64 object
# 1 = byref object
# 2 = opaque object
self.__idc_cvt_id__ = cvt_id
self.value = value
def __set_value(self, v):
self.__idc_cvt_value__ = v
def __get_value(self):
return self.__idc_cvt_value__
value = property(__get_value, __set_value)
# -----------------------------------------------------------------------
class PyIdc_cvt_int64__(PyIdc_cvt_helper__):
"""Helper class for explicitly representing VT_INT64 values"""
def __init__(self, v):
# id = 0 = int64 object
super(self.__class__, self).__init__(0, v)
# operation table
op_table = \
{
0: lambda a, b: a + b,
1: lambda a, b: a - b,
2: lambda a, b: a * b,
3: lambda a, b: a / b
}
# carries the operation given its number
def op(self, op_n, other, rev=False):
a = self.value
# other operand of same type? then take its value field
if type(other) == type(self):
b = other.value
else:
b = other
if rev:
t = a
a = b
b = t
# construct a new object and return as the result
return self.__class__(self.op_table[op_n](a, b))
# overloaded operators
def __add__(self, other): return self.op(0, other)
def __sub__(self, other): return self.op(1, other)
def __mul__(self, other): return self.op(2, other)
def __div__(self, other): return self.op(3, other)
def __radd__(self, other): return self.op(0, other, True)
def __rsub__(self, other): return self.op(1, other, True)
def __rmul__(self, other): return self.op(2, other, True)
def __rdiv__(self, other): return self.op(3, other, True)
# -----------------------------------------------------------------------
class PyIdc_cvt_refclass__(PyIdc_cvt_helper__):
"""Helper class for representing references to immutable objects"""
def __init__(self, v):
# id = one = byref object
super(self.__class__, self).__init__(1, v)
def cstr(self):
return as_cstr(self.value)
# -----------------------------------------------------------------------
# This object can be passed to IDC and back to Python transparently
# The attribute "__idc_cvt_value__" is used
class PyIdc_cvt_opaque__(PyIdc_cvt_helper__):
def __init__(self, v):
# id = two = opaque object
super(self.__class__, self).__init__(2, v)
# -----------------------------------------------------------------------
def as_cstr(val):
"""
Returns a C str from the passed value. The passed value can be of type refclass (returned by a call to buffer() or byref())
It scans for the first \x00 and returns the string value up to that point.
"""
if isinstance(val, PyIdc_cvt_refclass__):
val = val.value
n = 0
for x in val:
if ord(x) == 0:
break
n = n + 1
return val[:n]
# -----------------------------------------------------------------------
def as_unicode(s):
"""Convenience function to convert a string into appropriate unicode format"""
# use UTF16 big/little endian, depending on the environment?
return unicode(s).encode("UTF-16" + ("BE" if _idaapi.cvar.inf.mf else "LE"))
# -----------------------------------------------------------------------
def as_uint32(v):
return v & 0xffffffff
# -----------------------------------------------------------------------
def as_int32(v):
return -((~v & 0xffffffff)+1)
# -----------------------------------------------------------------------
def as_signed(v, nbits = 32):
return -(( ~v & ((1 << nbits)-1) ) + 1) if v & (1 << nbits-1) else v
# ----------------------------------------------------------------------
# Copy bits from a value
def copy_bits(b, s, e=-1):
# end-bit not specified? use start bit (thus extract one bit)
if e == -1:
e = s
# swap start and end if start > end
if s > e:
e, s = s, e
mask = 0
for i in xrange(s, e+1):
mask |= 1 << i
return (b & mask) >> s
# ----------------------------------------------------------------------
struct_unpack_table = {
1: ('b', 'B'),
2: ('h', 'H'),
4: ('l', 'L'),
8: ('q', 'Q')
}
# ----------------------------------------------------------------------
def struct_unpack(value, signed = False, offs = 0):
"""
Unpack a value given its length and offset using struct.unpack_from().
This function will know how to unpack the given value by using the lookup table 'struct_unpack_table'
"""
# Supported length?
n = len(value)
if not n in struct_unpack_table:
return None
# Conver to number
signed = 1 if signed else 0
# Unpack
return struct.unpack_from(struct_unpack_table[n][signed], value, offs)[0]
#</pycode(py_idaapi)>
%}