3d4dc3f021
* lang/python/Makefile.am (EXTRA_DIST, COPY_FILES): Add new file. * lang/python/gpgme.i: Include new file and add comments. * lang/python/helpers.c: Include new file. * lang/python/helpers.h: Move functions we do not need to expose... * lang/python/private.h: ... here. Signed-off-by: Justus Winter <justus@g10code.com>
507 lines
16 KiB
OpenEdge ABL
507 lines
16 KiB
OpenEdge ABL
/*
|
||
# Copyright (C) 2016 g10 Code GmbH
|
||
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
|
||
# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
|
||
#
|
||
# This library is free software; you can redistribute it and/or
|
||
# modify it under the terms of the GNU Lesser General Public
|
||
# License as published by the Free Software Foundation; either
|
||
# version 2.1 of the License, or (at your option) any later version.
|
||
#
|
||
# This library is distributed in the hope that it will be useful,
|
||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
# Lesser General Public License for more details.
|
||
#
|
||
# You should have received a copy of the GNU Lesser General Public
|
||
# License along with this library; if not, write to the Free Software
|
||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
*/
|
||
%module pygpgme
|
||
%include "cpointer.i"
|
||
%include "cstring.i"
|
||
|
||
/* Generate doc strings for all methods.
|
||
|
||
This will generate docstrings of the form
|
||
|
||
gpgme_op_encrypt(ctx, recp, flags, plain, cipher) -> gpgme_error_t
|
||
|
||
which we transform into
|
||
|
||
ctx.op_encrypt(recp, flags, plain, cipher) -> gpgme_error_t
|
||
|
||
for automagically wrapped functions. */
|
||
%feature("autodoc", "0");
|
||
|
||
|
||
/* Allow use of Unicode objects, bytes, and None for strings. */
|
||
%typemap(in) const char * {
|
||
if ($input == Py_None)
|
||
$1 = NULL;
|
||
else if (PyUnicode_Check($input))
|
||
$1 = PyUnicode_AsUTF8($input);
|
||
else if (PyBytes_Check($input))
|
||
$1 = PyBytes_AsString($input);
|
||
else {
|
||
PyErr_Format(PyExc_TypeError,
|
||
"arg %d: expected str, bytes, or None, got %s",
|
||
$argnum, $input->ob_type->tp_name);
|
||
return NULL;
|
||
}
|
||
}
|
||
%typemap(freearg) const char * "";
|
||
|
||
/* Likewise for a list of strings. */
|
||
%typemap(in) const char *[] (void *vector = NULL) {
|
||
/* Check if is a list */
|
||
if (PyList_Check($input)) {
|
||
size_t i, size = PyList_Size($input);
|
||
$1 = (char **) (vector = malloc((size+1) * sizeof(char *)));
|
||
|
||
for (i = 0; i < size; i++) {
|
||
PyObject *o = PyList_GetItem($input,i);
|
||
if (PyUnicode_Check(o))
|
||
$1[i] = PyUnicode_AsUTF8(o);
|
||
else if (PyString_Check(o))
|
||
$1[i] = PyString_AsString(o);
|
||
else {
|
||
PyErr_Format(PyExc_TypeError,
|
||
"arg %d: list must contain only str or bytes, got %s "
|
||
"at position %d",
|
||
$argnum, o->ob_type->tp_name, i);
|
||
free($1);
|
||
return NULL;
|
||
}
|
||
}
|
||
$1[i] = NULL;
|
||
} else {
|
||
PyErr_Format(PyExc_TypeError,
|
||
"arg %d: expected a list of str or bytes, got %s",
|
||
$argnum, $input->ob_type->tp_name);
|
||
return NULL;
|
||
}
|
||
}
|
||
%typemap(freearg) const char *[] {
|
||
free(vector$argnum);
|
||
}
|
||
|
||
// Release returned buffers as necessary.
|
||
%typemap(newfree) char * "free($1);";
|
||
%newobject gpgme_data_release_and_get_mem;
|
||
|
||
%typemap(arginit) gpgme_key_t [] {
|
||
$1 = NULL;
|
||
}
|
||
|
||
%typemap(in) gpgme_key_t [] {
|
||
int i, numb = 0;
|
||
if (!PySequence_Check($input)) {
|
||
PyErr_Format(PyExc_ValueError, "arg %d: Expected a list of gpgme_key_t",
|
||
$argnum);
|
||
return NULL;
|
||
}
|
||
if((numb = PySequence_Length($input)) != 0) {
|
||
$1 = (gpgme_key_t*)malloc((numb+1)*sizeof(gpgme_key_t));
|
||
for(i=0; i<numb; i++) {
|
||
PyObject *pypointer = PySequence_GetItem($input, i);
|
||
|
||
/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
|
||
/* &1_descriptor = $&1_descriptor *1_descriptor = $*1_descriptor */
|
||
|
||
// Following code is from swig's python.swg
|
||
if ((SWIG_ConvertPtr(pypointer,(void **) &$1[i], $*1_descriptor,SWIG_POINTER_EXCEPTION | $disown )) == -1) {
|
||
Py_DECREF(pypointer);
|
||
return NULL;
|
||
}
|
||
Py_DECREF(pypointer);
|
||
}
|
||
$1[numb] = NULL;
|
||
}
|
||
}
|
||
%typemap(freearg) gpgme_key_t [] {
|
||
if ($1) free($1);
|
||
}
|
||
|
||
// Special handling for references to our objects.
|
||
%typemap(in) gpgme_data_t DATAIN (gpgme_data_t wrapper = NULL,
|
||
PyObject *bytesio = NULL,
|
||
Py_buffer view, int have_view = 0) {
|
||
/* If we create a temporary wrapper object, we will store it in
|
||
wrapperN, where N is $argnum. Here in this fragment, SWIG will
|
||
automatically append $argnum. */
|
||
memset(&view, 0, sizeof view);
|
||
if ($input == Py_None)
|
||
$1 = NULL;
|
||
else {
|
||
PyObject *pypointer;
|
||
pypointer = object_to_gpgme_data_t($input, $argnum, &wrapper,
|
||
&bytesio, &view);
|
||
if (pypointer == NULL)
|
||
return NULL;
|
||
have_view = !! view.obj;
|
||
|
||
/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
|
||
|
||
// Following code is from swig's python.swg
|
||
|
||
if ((SWIG_ConvertPtr(pypointer,(void **) &$1, $1_descriptor,
|
||
SWIG_POINTER_EXCEPTION | $disown )) == -1) {
|
||
Py_DECREF(pypointer);
|
||
return NULL;
|
||
}
|
||
Py_DECREF(pypointer);
|
||
}
|
||
}
|
||
|
||
#if HAVE_DATA_H
|
||
/* If we are doing an in-tree build, we can use the internal
|
||
representation of struct gpgme_data for an very efficient check if
|
||
the buffer has been modified. */
|
||
%{
|
||
#include "src/data.h" /* For struct gpgme_data. */
|
||
%}
|
||
#endif
|
||
|
||
%typemap(freearg) gpgme_data_t DATAIN {
|
||
/* See whether we need to update the Python buffer. */
|
||
if (resultobj && wrapper$argnum && view$argnum.buf)
|
||
{
|
||
int dirty;
|
||
char *new_data = NULL;
|
||
size_t new_size;
|
||
|
||
#if HAVE_DATA_H
|
||
new_data = wrapper$argnum->data.mem.buffer;
|
||
new_size = wrapper$argnum->data.mem.length;
|
||
dirty = new_data != NULL;
|
||
#else
|
||
new_data = gpgme_data_release_and_get_mem (wrapper$argnum, &new_size);
|
||
wrapper$argnum = NULL;
|
||
dirty = new_size != view$argnum.len
|
||
|| memcmp (new_data, view$argnum.buf, view$argnum.len);
|
||
#endif
|
||
|
||
if (dirty)
|
||
{
|
||
/* The buffer is dirty. */
|
||
if (view$argnum.readonly)
|
||
{
|
||
Py_XDECREF(resultobj);
|
||
resultobj = NULL;
|
||
PyErr_SetString(PyExc_ValueError,
|
||
"cannot update read-only buffer");
|
||
}
|
||
|
||
/* See if we need to truncate the buffer. */
|
||
if (resultobj && view$argnum.len != new_size)
|
||
{
|
||
if (bytesio$argnum == NULL)
|
||
{
|
||
Py_XDECREF(resultobj);
|
||
resultobj = NULL;
|
||
PyErr_SetString(PyExc_ValueError, "cannot resize buffer");
|
||
}
|
||
else
|
||
{
|
||
PyObject *retval;
|
||
PyBuffer_Release(&view$argnum);
|
||
assert(view$argnum.obj == NULL);
|
||
retval = PyObject_CallMethod(bytesio$argnum, "truncate",
|
||
"l", (long) new_size);
|
||
if (retval == NULL)
|
||
{
|
||
Py_XDECREF(resultobj);
|
||
resultobj = NULL;
|
||
}
|
||
else
|
||
{
|
||
Py_DECREF(retval);
|
||
|
||
retval = PyObject_CallMethod(bytesio$argnum,
|
||
"getbuffer", NULL);
|
||
if (retval == NULL
|
||
|| PyObject_GetBuffer(retval, &view$argnum,
|
||
PyBUF_SIMPLE|PyBUF_WRITABLE) < 0)
|
||
{
|
||
Py_XDECREF(resultobj);
|
||
resultobj = NULL;
|
||
}
|
||
|
||
Py_XDECREF(retval);
|
||
|
||
if (resultobj && view$argnum.len
|
||
!= new_size)
|
||
{
|
||
Py_XDECREF(resultobj);
|
||
resultobj = NULL;
|
||
PyErr_Format(PyExc_ValueError,
|
||
"Expected buffer of length %zu, got %zi",
|
||
new_size,
|
||
view$argnum.len);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (resultobj)
|
||
memcpy(view$argnum.buf, new_data, new_size);
|
||
}
|
||
#if ! HAVE_DATA_H
|
||
free (new_data);
|
||
#endif
|
||
}
|
||
|
||
/* Free the temporary wrapper, if any. */
|
||
if (wrapper$argnum)
|
||
gpgme_data_release(wrapper$argnum);
|
||
Py_XDECREF (bytesio$argnum);
|
||
if (have_view$argnum && view$argnum.buf)
|
||
PyBuffer_Release(&view$argnum);
|
||
}
|
||
|
||
%apply gpgme_data_t DATAIN {gpgme_data_t plain, gpgme_data_t cipher,
|
||
gpgme_data_t sig, gpgme_data_t signed_text,
|
||
gpgme_data_t plaintext, gpgme_data_t keydata,
|
||
gpgme_data_t pubkey, gpgme_data_t seckey,
|
||
gpgme_data_t out};
|
||
|
||
/* SWIG has problems interpreting ssize_t, off_t or gpgme_error_t in
|
||
gpgme.h. */
|
||
/* XXX: This is wrong at least for off_t if compiled with LFS. */
|
||
%typemap(out) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
|
||
$result = PyLong_FromLong($1);
|
||
}
|
||
/* XXX: This is wrong at least for off_t if compiled with LFS. */
|
||
%typemap(in) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
|
||
$1 = PyLong_AsLong($input);
|
||
}
|
||
|
||
// Those are for gpgme_data_read() and gpgme_strerror_r()
|
||
%typemap(in) (void *buffer, size_t size), (char *buf, size_t buflen) {
|
||
$2 = PyLong_AsLong($input);
|
||
if ($2 < 0) {
|
||
PyErr_SetString(PyExc_ValueError, "Positive integer expected");
|
||
return NULL;
|
||
}
|
||
$1 = ($1_ltype) malloc($2+1);
|
||
}
|
||
%typemap(argout) (void *buffer, size_t size), (char *buf, size_t buflen) {
|
||
Py_XDECREF($result); /* Blow away any previous result */
|
||
if (result < 0) { /* Check for I/O error */
|
||
free($1);
|
||
return PyErr_SetFromErrno(PyExc_RuntimeError);
|
||
}
|
||
$result = PyBytes_FromStringAndSize($1,result);
|
||
free($1);
|
||
}
|
||
|
||
/* For gpgme_data_write, but should be universal. */
|
||
%typemap(in) (const void *buffer, size_t size) {
|
||
Py_ssize_t ssize;
|
||
|
||
if ($input == Py_None)
|
||
$1 = NULL, $2 = 0;
|
||
else if (PyUnicode_Check($input))
|
||
$1 = PyUnicode_AsUTF8AndSize($input, &ssize);
|
||
else if (PyBytes_Check($input))
|
||
PyBytes_AsStringAndSize($input, (char **) &$1, &ssize);
|
||
else {
|
||
PyErr_Format(PyExc_TypeError,
|
||
"arg %d: expected str, bytes, or None, got %s",
|
||
$argnum, $input->ob_type->tp_name);
|
||
return NULL;
|
||
}
|
||
|
||
if (! $1)
|
||
$2 = 0;
|
||
else
|
||
{
|
||
assert (ssize >= 0);
|
||
$2 = (size_t) ssize;
|
||
}
|
||
}
|
||
%typemap(freearg) (const void *buffer, size_t size) "";
|
||
|
||
// Make types containing 'next' field to be lists
|
||
%ignore next;
|
||
%typemap(out) gpgme_sig_notation_t, gpgme_engine_info_t, gpgme_subkey_t,
|
||
gpgme_key_sig_t, gpgme_user_id_t, gpgme_invalid_key_t,
|
||
gpgme_recipient_t, gpgme_new_signature_t, gpgme_signature_t,
|
||
gpgme_import_status_t, gpgme_conf_arg_t, gpgme_conf_opt_t,
|
||
gpgme_conf_comp_t, gpgme_tofu_info_t {
|
||
int i;
|
||
int size = 0;
|
||
$1_ltype curr;
|
||
for (curr = $1; curr != NULL; curr = curr->next) {
|
||
size++;
|
||
}
|
||
$result = PyList_New(size);
|
||
for (i=0,curr=$1; i<size; i++,curr=curr->next) {
|
||
PyObject *o = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor, %newpointer_flags);
|
||
PyList_SetItem($result, i, o);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/* Wrap the fragile result objects into robust Python ones. */
|
||
%typemap(out) gpgme_encrypt_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "EncryptResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_decrypt_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "DecryptResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_sign_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "SignResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_verify_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "VerifyResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_import_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "ImportResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_genkey_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "GenkeyResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_keylist_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "KeylistResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
%typemap(out) gpgme_vfs_mount_result_t {
|
||
PyObject *fragile;
|
||
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
|
||
%newpointer_flags);
|
||
$result = pygpgme_wrap_fragile_result(fragile, "VFSMountResult");
|
||
Py_DECREF(fragile);
|
||
}
|
||
|
||
|
||
|
||
// Include mapper for edit callbacks
|
||
%typemap(in) (gpgme_edit_cb_t fnc, void *fnc_value) {
|
||
if (! PyTuple_Check($input))
|
||
return PyErr_Format(PyExc_TypeError, "edit callback must be a tuple");
|
||
if (PyTuple_Size($input) != 2 && PyTuple_Size($input) != 3)
|
||
return PyErr_Format(PyExc_TypeError,
|
||
"edit callback must be a tuple of size 2 or 3");
|
||
|
||
$1 = (gpgme_edit_cb_t) pyEditCb;
|
||
$2 = $input;
|
||
}
|
||
|
||
/* Include the unmodified <gpgme.h> for cc, and the cleaned-up local
|
||
version for SWIG. We do, however, want to hide certain fields on
|
||
some structs, which we provide prior to including the version for
|
||
SWIG. */
|
||
%{
|
||
#include <gpgme.h>
|
||
%}
|
||
|
||
/* This is for notations, where we want to hide the length fields, and
|
||
the unused bit field block. */
|
||
struct _gpgme_sig_notation
|
||
{
|
||
struct _gpgme_sig_notation *next;
|
||
|
||
/* If NAME is a null pointer, then VALUE contains a policy URL
|
||
rather than a notation. */
|
||
char *name;
|
||
|
||
/* The value of the notation data. */
|
||
char *value;
|
||
|
||
/* The accumulated flags. */
|
||
gpgme_sig_notation_flags_t flags;
|
||
|
||
/* Notation data is human-readable. */
|
||
unsigned int human_readable : 1;
|
||
|
||
/* Notation data is critical. */
|
||
unsigned int critical : 1;
|
||
};
|
||
|
||
/* Now include our local modified version. Any structs defined above
|
||
are ignored. */
|
||
%include "gpgme.h"
|
||
|
||
%include "errors.i"
|
||
|
||
// Generating and handling pointers-to-pointers.
|
||
|
||
%pointer_functions(gpgme_ctx_t, gpgme_ctx_t_p);
|
||
%pointer_functions(gpgme_data_t, gpgme_data_t_p);
|
||
%pointer_functions(gpgme_key_t, gpgme_key_t_p);
|
||
%pointer_functions(gpgme_error_t, gpgme_error_t_p);
|
||
%pointer_functions(gpgme_trust_item_t, gpgme_trust_item_t_p);
|
||
%pointer_functions(gpgme_engine_info_t, gpgme_engine_info_t_p);
|
||
|
||
// Helper functions.
|
||
|
||
%{
|
||
#include <stdio.h>
|
||
%}
|
||
FILE *fdopen(int fildes, const char *mode);
|
||
|
||
/* We include both headers in the generated c code... */
|
||
%{
|
||
#include "helpers.h"
|
||
#include "private.h"
|
||
|
||
/* SWIG support for helpers.c */
|
||
PyObject *
|
||
pygpgme_wrap_gpgme_data_t(gpgme_data_t data)
|
||
{
|
||
return SWIG_Python_NewPointerObj(NULL, data, SWIGTYPE_p_gpgme_data, 0);
|
||
}
|
||
|
||
gpgme_ctx_t
|
||
pygpgme_unwrap_gpgme_ctx_t(PyObject *wrapped)
|
||
{
|
||
gpgme_ctx_t result;
|
||
if (SWIG_ConvertPtr(wrapped,
|
||
(void **) &result,
|
||
SWIGTYPE_p_gpgme_context,
|
||
SWIG_POINTER_EXCEPTION) == -1)
|
||
return NULL;
|
||
return result;
|
||
}
|
||
%}
|
||
|
||
/* ... but only the public definitions here. They will be exposed to
|
||
the Python world, so let's be careful. */
|
||
%include "helpers.h"
|