3cf9aedc92
* lang/python/gpgme.i: copied signature from gpgme.h and defaulted the value to SEEK_SET. * lang/python/tests/t-data.py: Added a test for no second argument -- Having to import the os package when wanting to read a Data object is a slight annoyance. With SWIG, we can define default parameters. This change defaults the whence argument to SEEK_SET which is how StringIO and BytesIO behave. Signed-off-by: Tobias Mueller <muelli@cryptobitch.de>
699 lines
20 KiB
OpenEdge ABL
699 lines
20 KiB
OpenEdge ABL
/*
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# Copyright (C) 2016 g10 Code GmbH
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# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
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# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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%module gpgme
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%include "cpointer.i"
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%include "cstring.i"
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/* Generate doc strings for all methods.
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This will generate docstrings of the form
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gpgme_op_encrypt(ctx, recp, flags, plain, cipher) -> gpgme_error_t
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which we transform into
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ctx.op_encrypt(recp, flags, plain, cipher) -> gpgme_error_t
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for automagically wrapped functions. */
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%feature("autodoc", "0");
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/* Allow use of Unicode objects, bytes, and None for strings. */
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%typemap(in) const char *(PyObject *encodedInput = NULL) {
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if ($input == Py_None)
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$1 = NULL;
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else if (PyUnicode_Check($input))
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{
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encodedInput = PyUnicode_AsUTF8String($input);
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if (encodedInput == NULL)
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return NULL;
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$1 = PyBytes_AsString(encodedInput);
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}
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else if (PyBytes_Check($input))
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$1 = PyBytes_AsString($input);
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else {
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PyErr_Format(PyExc_TypeError,
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"arg %d: expected str, bytes, or None, got %s",
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$argnum, $input->ob_type->tp_name);
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return NULL;
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}
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}
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%typemap(freearg) const char * {
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Py_XDECREF(encodedInput$argnum);
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}
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/* Likewise for a list of strings. */
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%typemap(in) const char *[] (void *vector = NULL,
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size_t size,
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PyObject **pyVector = NULL) {
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/* Check if is a list */
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if (PyList_Check($input)) {
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size_t i, j;
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size = PyList_Size($input);
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$1 = (char **) (vector = malloc((size+1) * sizeof(char *)));
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pyVector = calloc(sizeof *pyVector, size);
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for (i = 0; i < size; i++) {
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PyObject *o = PyList_GetItem($input,i);
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if (PyUnicode_Check(o))
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{
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pyVector[i] = PyUnicode_AsUTF8String(o);
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if (pyVector[i] == NULL)
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{
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free(vector);
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for (j = 0; j < i; j++)
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Py_XDECREF(pyVector[j]);
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return NULL;
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}
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$1[i] = PyBytes_AsString(pyVector[i]);
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}
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else if (PyString_Check(o))
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$1[i] = PyString_AsString(o);
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else {
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PyErr_Format(PyExc_TypeError,
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"arg %d: list must contain only str or bytes, got %s "
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"at position %d",
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$argnum, o->ob_type->tp_name, i);
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free($1);
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return NULL;
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}
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}
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$1[i] = NULL;
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} else {
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PyErr_Format(PyExc_TypeError,
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"arg %d: expected a list of str or bytes, got %s",
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$argnum, $input->ob_type->tp_name);
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return NULL;
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}
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}
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%typemap(freearg) const char *[] {
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size_t i;
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free(vector$argnum);
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for (i = 0; i < size$argnum; i++)
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Py_XDECREF(pyVector$argnum[i]);
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}
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/* Release returned buffers as necessary. */
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%typemap(newfree) char * "gpgme_free($1);";
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%newobject gpgme_data_release_and_get_mem;
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%newobject gpgme_pubkey_algo_string;
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%newobject gpgme_addrspec_from_uid;
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%typemap(arginit) gpgme_key_t [] {
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$1 = NULL;
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}
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%typemap(in) gpgme_key_t [] {
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int i, numb = 0;
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if (!PySequence_Check($input)) {
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PyErr_Format(PyExc_ValueError, "arg %d: Expected a list of gpgme_key_t",
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$argnum);
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return NULL;
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}
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if((numb = PySequence_Length($input)) != 0) {
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$1 = (gpgme_key_t*)malloc((numb+1)*sizeof(gpgme_key_t));
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for(i=0; i<numb; i++) {
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PyObject *pypointer = PySequence_GetItem($input, i);
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/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
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/* &1_descriptor = $&1_descriptor *1_descriptor = $*1_descriptor */
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/* Following code is from swig's python.swg. */
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if ((SWIG_ConvertPtr(pypointer,(void **) &$1[i], $*1_descriptor,SWIG_POINTER_EXCEPTION | $disown )) == -1) {
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Py_DECREF(pypointer);
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PyErr_Format(PyExc_TypeError,
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"arg %d: list must contain only gpgme_key_ts, got %s "
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"at position %d",
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$argnum, pypointer->ob_type->tp_name, i);
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free($1);
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return NULL;
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}
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Py_DECREF(pypointer);
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}
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$1[numb] = NULL;
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}
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}
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%typemap(freearg) gpgme_key_t [] {
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if ($1) free($1);
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}
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/* Special handling for references to our objects. */
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%typemap(in) gpgme_data_t DATAIN (gpgme_data_t wrapper = NULL,
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PyObject *bytesio = NULL,
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Py_buffer view, int have_view = 0) {
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/* If we create a temporary wrapper object, we will store it in
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wrapperN, where N is $argnum. Here in this fragment, SWIG will
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automatically append $argnum. */
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memset(&view, 0, sizeof view);
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if ($input == Py_None)
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$1 = NULL;
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else {
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PyObject *pypointer;
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pypointer = _gpg_obj2gpgme_data_t($input, $argnum, &wrapper,
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&bytesio, &view);
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if (pypointer == NULL)
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return NULL;
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have_view = !! view.obj;
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/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
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/* Following code is from swig's python.swg. */
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if ((SWIG_ConvertPtr(pypointer,(void **) &$1, $1_descriptor,
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SWIG_POINTER_EXCEPTION | $disown )) == -1) {
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Py_DECREF(pypointer);
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return NULL;
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}
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Py_DECREF(pypointer);
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}
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}
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#if HAVE_DATA_H
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/* If we are doing an in-tree build, we can use the internal
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representation of struct gpgme_data for an very efficient check if
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the buffer has been modified. */
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%{
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#include "data.h" /* For struct gpgme_data. */
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%}
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#endif
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%typemap(freearg) gpgme_data_t DATAIN {
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/* See whether we need to update the Python buffer. */
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if (resultobj && wrapper$argnum && view$argnum.buf)
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{
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int dirty;
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char *new_data = NULL;
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size_t new_size;
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#if HAVE_DATA_H
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new_data = wrapper$argnum->data.mem.buffer;
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new_size = wrapper$argnum->data.mem.length;
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dirty = new_data != NULL;
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#else
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new_data = gpgme_data_release_and_get_mem (wrapper$argnum, &new_size);
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wrapper$argnum = NULL;
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dirty = new_size != view$argnum.len
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|| memcmp (new_data, view$argnum.buf, view$argnum.len);
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#endif
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if (dirty)
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{
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/* The buffer is dirty. */
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if (view$argnum.readonly)
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{
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Py_XDECREF(resultobj);
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resultobj = NULL;
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PyErr_SetString(PyExc_ValueError,
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"cannot update read-only buffer");
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}
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/* See if we need to truncate the buffer. */
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if (resultobj && view$argnum.len != new_size)
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{
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if (bytesio$argnum == NULL)
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{
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Py_XDECREF(resultobj);
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resultobj = NULL;
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PyErr_SetString(PyExc_ValueError, "cannot resize buffer");
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}
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else
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{
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PyObject *retval;
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PyBuffer_Release(&view$argnum);
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assert(view$argnum.obj == NULL);
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retval = PyObject_CallMethod(bytesio$argnum, "truncate",
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"l", (long) new_size);
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if (retval == NULL)
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{
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Py_XDECREF(resultobj);
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resultobj = NULL;
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}
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else
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{
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Py_DECREF(retval);
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retval = PyObject_CallMethod(bytesio$argnum,
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"getbuffer", NULL);
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if (retval == NULL
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|| PyObject_GetBuffer(retval, &view$argnum,
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PyBUF_SIMPLE|PyBUF_WRITABLE) < 0)
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{
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Py_XDECREF(resultobj);
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resultobj = NULL;
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}
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Py_XDECREF(retval);
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if (resultobj && view$argnum.len
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!= new_size)
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{
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Py_XDECREF(resultobj);
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resultobj = NULL;
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PyErr_Format(PyExc_ValueError,
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"Expected buffer of length %zu, got %zi",
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new_size,
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view$argnum.len);
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}
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}
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}
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}
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if (resultobj)
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memcpy(view$argnum.buf, new_data, new_size);
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}
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#if ! HAVE_DATA_H
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free (new_data);
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#endif
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}
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/* Free the temporary wrapper, if any. */
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if (wrapper$argnum)
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gpgme_data_release(wrapper$argnum);
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Py_XDECREF (bytesio$argnum);
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if (have_view$argnum && view$argnum.buf)
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PyBuffer_Release(&view$argnum);
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}
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%apply gpgme_data_t DATAIN {gpgme_data_t plain, gpgme_data_t cipher,
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gpgme_data_t sig, gpgme_data_t signed_text,
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gpgme_data_t plaintext, gpgme_data_t keydata,
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gpgme_data_t pubkey, gpgme_data_t seckey,
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gpgme_data_t out, gpgme_data_t data};
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/* SWIG has problems interpreting ssize_t, off_t or gpgme_error_t in
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gpgme.h. */
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%typemap(out) ssize_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
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$result = PyLong_FromLong($1);
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}
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%typemap(in) ssize_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
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if (PyLong_Check($input))
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$1 = PyLong_AsLong($input);
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#if PY_MAJOR_VERSION < 3
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else if (PyInt_Check($input))
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$1 = PyInt_AsLong($input);
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#endif
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else
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PyErr_SetString(PyExc_TypeError, "Numeric argument expected");
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}
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%typemap(out) off_t {
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#if _FILE_OFFSET_BITS == 64
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$result = PyLong_FromLongLong($1);
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#else
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$result = PyLong_FromLong($1);
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#endif
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}
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%typemap(in) off_t {
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if (PyLong_Check($input))
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#if _FILE_OFFSET_BITS == 64
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$1 = PyLong_AsLongLong($input);
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#else
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$1 = PyLong_AsLong($input);
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#endif
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#if PY_MAJOR_VERSION < 3
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else if (PyInt_Check($input))
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$1 = PyInt_AsLong($input);
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#endif
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else
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PyErr_SetString(PyExc_TypeError, "Numeric argument expected");
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}
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/* Those are for gpgme_data_read() and gpgme_strerror_r(). */
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%typemap(in) (void *buffer, size_t size), (char *buf, size_t buflen) {
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{
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long tmp$argnum;
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if (PyLong_Check($input))
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tmp$argnum = PyLong_AsLong($input);
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#if PY_MAJOR_VERSION < 3
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else if (PyInt_Check($input))
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tmp$argnum = PyInt_AsLong($input);
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#endif
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else
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{
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PyErr_SetString(PyExc_TypeError, "Numeric argument expected");
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return NULL;
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}
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if (tmp$argnum < 0) {
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PyErr_SetString(PyExc_ValueError, "Positive integer expected");
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return NULL;
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}
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$2 = (size_t) tmp$argnum;
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$1 = ($1_ltype) malloc($2+1);
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}
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}
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%typemap(argout) (void *buffer, size_t size), (char *buf, size_t buflen) {
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Py_XDECREF($result); /* Blow away any previous result */
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if (result < 0) { /* Check for I/O error */
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free($1);
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return PyErr_SetFromErrno(PyExc_RuntimeError);
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}
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$result = PyBytes_FromStringAndSize($1,result);
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free($1);
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}
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/* For gpgme_data_write, but should be universal. */
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%typemap(in) (const void *buffer, size_t size)(PyObject *encodedInput = NULL) {
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Py_ssize_t ssize;
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if ($input == Py_None)
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$1 = NULL, $2 = 0;
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else if (PyUnicode_Check($input))
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{
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encodedInput = PyUnicode_AsUTF8String($input);
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if (encodedInput == NULL)
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return NULL;
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if (PyBytes_AsStringAndSize(encodedInput, (char **) &$1, &ssize) == -1)
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{
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Py_DECREF(encodedInput);
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return NULL;
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}
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}
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else if (PyBytes_Check($input))
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PyBytes_AsStringAndSize($input, (char **) &$1, &ssize);
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else {
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PyErr_Format(PyExc_TypeError,
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"arg %d: expected str, bytes, or None, got %s",
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$argnum, $input->ob_type->tp_name);
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return NULL;
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}
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if (! $1)
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$2 = 0;
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else
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{
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assert (ssize >= 0);
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$2 = (size_t) ssize;
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}
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}
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%typemap(freearg) (const void *buffer, size_t size) {
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Py_XDECREF(encodedInput$argnum);
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}
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/* Make types containing 'next' field to be lists. */
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%ignore next;
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%typemap(out) gpgme_sig_notation_t, gpgme_subkey_t,
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gpgme_key_sig_t, gpgme_user_id_t, gpgme_invalid_key_t,
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gpgme_recipient_t, gpgme_new_signature_t, gpgme_signature_t,
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gpgme_import_status_t, gpgme_conf_arg_t, gpgme_conf_opt_t,
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gpgme_conf_comp_t, gpgme_tofu_info_t {
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||
int i;
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int size = 0;
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$1_ltype curr;
|
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for (curr = $1; curr != NULL; curr = curr->next) {
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size++;
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}
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$result = PyList_New(size);
|
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for (i=0,curr=$1; i<size; i++,curr=curr->next) {
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PyObject *o = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor, %newpointer_flags);
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PyList_SetItem($result, i, o);
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}
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||
}
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||
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||
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/* Wrap the fragile result objects into robust Python ones. */
|
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%define wrapresult(cls, name)
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%typemap(out) cls {
|
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PyObject *fragile;
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fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
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%newpointer_flags);
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$result = _gpg_wrap_result(fragile, name);
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Py_DECREF(fragile);
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}
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%enddef
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wrapresult(gpgme_encrypt_result_t, "EncryptResult")
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wrapresult(gpgme_decrypt_result_t, "DecryptResult")
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wrapresult(gpgme_sign_result_t, "SignResult")
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||
wrapresult(gpgme_verify_result_t, "VerifyResult")
|
||
wrapresult(gpgme_import_result_t, "ImportResult")
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wrapresult(gpgme_genkey_result_t, "GenkeyResult")
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wrapresult(gpgme_keylist_result_t, "KeylistResult")
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wrapresult(gpgme_vfs_mount_result_t, "VFSMountResult")
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%typemap(out) gpgme_engine_info_t {
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int i;
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int size = 0;
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$1_ltype curr;
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for (curr = $1; curr != NULL; curr = curr->next) {
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size++;
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}
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$result = PyList_New(size);
|
||
if ($result == NULL)
|
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return NULL; /* raise */
|
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for (i=0,curr=$1; i<size; i++,curr=curr->next) {
|
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PyObject *fragile, *o;
|
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fragile = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor,
|
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%newpointer_flags);
|
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if (fragile == NULL)
|
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{
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Py_DECREF($result);
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return NULL; /* raise */
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}
|
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o = _gpg_wrap_result(fragile, "EngineInfo");
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Py_DECREF(fragile);
|
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if (o == NULL)
|
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{
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Py_DECREF($result);
|
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return NULL; /* raise */
|
||
}
|
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PyList_SetItem($result, i, o);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/* Include mapper for interact callbacks. */
|
||
%typemap(in) (gpgme_interact_cb_t fnc, void *fnc_value) {
|
||
if (! PyTuple_Check($input))
|
||
return PyErr_Format(PyExc_TypeError, "interact callback must be a tuple");
|
||
if (PyTuple_Size($input) != 2 && PyTuple_Size($input) != 3)
|
||
return PyErr_Format(PyExc_TypeError,
|
||
"interact callback must be a tuple of size 2 or 3");
|
||
|
||
$1 = (gpgme_interact_cb_t) _gpg_interact_cb;
|
||
$2 = $input;
|
||
}
|
||
|
||
|
||
|
||
/* The assuan protocol callbacks. */
|
||
%typemap(in) (gpgme_assuan_data_cb_t data_cb, void *data_cb_value) {
|
||
if ($input == Py_None)
|
||
$1 = $2 = NULL;
|
||
else
|
||
{
|
||
if (! PyTuple_Check($input))
|
||
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
|
||
if (PyTuple_Size($input) != 2)
|
||
return PyErr_Format(PyExc_TypeError,
|
||
"callback must be a tuple of size 2");
|
||
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
|
||
return PyErr_Format(PyExc_TypeError, "second item must be callable");
|
||
$1 = _gpg_assuan_data_cb;
|
||
$2 = $input;
|
||
}
|
||
}
|
||
|
||
%typemap(in) (gpgme_assuan_inquire_cb_t inq_cb, void *inq_cb_value) {
|
||
if ($input == Py_None)
|
||
$1 = $2 = NULL;
|
||
else
|
||
{
|
||
if (! PyTuple_Check($input))
|
||
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
|
||
if (PyTuple_Size($input) != 2)
|
||
return PyErr_Format(PyExc_TypeError,
|
||
"callback must be a tuple of size 2");
|
||
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
|
||
return PyErr_Format(PyExc_TypeError, "second item must be callable");
|
||
$1 = _gpg_assuan_inquire_cb;
|
||
$2 = $input;
|
||
}
|
||
}
|
||
|
||
%typemap(in) (gpgme_assuan_status_cb_t stat_cb, void *stat_cb_value) {
|
||
if ($input == Py_None)
|
||
$1 = $2 = NULL;
|
||
else
|
||
{
|
||
if (! PyTuple_Check($input))
|
||
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
|
||
if (PyTuple_Size($input) != 2)
|
||
return PyErr_Format(PyExc_TypeError,
|
||
"callback must be a tuple of size 2");
|
||
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
|
||
return PyErr_Format(PyExc_TypeError, "second item must be callable");
|
||
$1 = _gpg_assuan_status_cb;
|
||
$2 = $input;
|
||
}
|
||
}
|
||
|
||
|
||
/* With SWIG, you can define default arguments for parameters.
|
||
* While it's legal in C++ it is not in C, so we cannot change the
|
||
* already existing gpgme.h. We need, however, to declare the function
|
||
* *before* SWIG loads it from gpgme.h. Hence, we define it here. */
|
||
gpgme_error_t gpgme_op_keylist_start (gpgme_ctx_t ctx,
|
||
const char *pattern="",
|
||
int secret_only=0);
|
||
|
||
/* The whence argument is surprising in Python-land,
|
||
because BytesIO or StringIO objects do not require it.
|
||
It defaults to SEEK_SET. Let's do that for Data objects, too */
|
||
off_t gpgme_data_seek (gpgme_data_t dh, off_t offset, int whence=SEEK_SET);
|
||
|
||
/* 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. */
|
||
%{
|
||
#ifdef HAVE_CONFIG_H
|
||
#include "config.h"
|
||
#endif
|
||
|
||
#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. */
|
||
#ifdef HAVE_CONFIG_H
|
||
%include "config.h"
|
||
#endif
|
||
|
||
%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 runtime support for helpers.c */
|
||
PyObject *
|
||
_gpg_wrap_gpgme_data_t(gpgme_data_t data)
|
||
{
|
||
/*
|
||
* If SWIG is invoked without -builtin, the macro SWIG_NewPointerObj
|
||
* expects a variable named "self".
|
||
*
|
||
* XXX: It is not quite clear why passing NULL as self is okay, but
|
||
* it works with -builtin, and it seems to work just fine without
|
||
* it too.
|
||
*/
|
||
PyObject* self = NULL;
|
||
(void) self;
|
||
return SWIG_NewPointerObj(data, SWIGTYPE_p_gpgme_data, 0);
|
||
}
|
||
|
||
gpgme_ctx_t
|
||
_gpg_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"
|
||
|
||
|
||
%define genericrepr(cls)
|
||
%pythoncode %{
|
||
def __repr__(self):
|
||
names = [name for name in dir(self)
|
||
if not name.startswith("_") and name != "this"]
|
||
props = ", ".join(("{}={!r}".format(name, getattr(self, name))
|
||
for name in names)
|
||
)
|
||
return "cls({})".format(props)
|
||
%}
|
||
|
||
%enddef
|
||
|
||
%extend _gpgme_key {
|
||
genericrepr(Key)
|
||
};
|
||
|
||
|
||
%extend _gpgme_subkey {
|
||
genericrepr(SubKey)
|
||
};
|
||
|
||
%extend _gpgme_key_sig {
|
||
genericrepr(KeySig)
|
||
};
|
||
|
||
%extend _gpgme_user_id {
|
||
genericrepr(UID)
|
||
};
|
||
|
||
%extend _gpgme_tofu_info {
|
||
genericrepr(TofuInfo)
|
||
};
|