2 posix1e - a python module exposing the posix acl functions
4 Copyright (C) 2002-2009, 2012, 2014, 2015 Iustin Pop <iustin@k1024.org>
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with this library; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 #include <sys/types.h>
29 #include <acl/libacl.h>
30 #define get_perm acl_get_perm
32 #define get_perm acl_get_perm_np
35 /* Used for cpychecker: */
36 /* The checker automatically defines this preprocessor name when creating
37 the custom attribute: */
38 #if defined(WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE)
39 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(typename) \
40 __attribute__((cpychecker_type_object_for_typedef(typename)))
42 /* This handles the case where we're compiling with a "vanilla"
43 compiler that doesn't supply this attribute: */
44 #define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(typename)
47 /* The checker automatically defines this preprocessor name when creating
48 the custom attribute: */
49 #if defined(WITH_CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION_ATTRIBUTE)
50 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION \
51 __attribute__((cpychecker_negative_result_sets_exception))
53 #define CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION
56 static PyTypeObject ACL_Type
57 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("ACL_Object");
58 static PyObject* ACL_applyto(PyObject* obj, PyObject* args);
59 static PyObject* ACL_valid(PyObject* obj, PyObject* args);
61 #ifdef HAVE_ACL_COPY_EXT
62 static PyObject* ACL_get_state(PyObject *obj, PyObject* args);
63 static PyObject* ACL_set_state(PyObject *obj, PyObject* args);
67 static PyTypeObject Entry_Type
68 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("Entry_Object");
69 static PyTypeObject Permset_Type
70 CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF("Permset_Object");
71 static PyObject* Permset_new(PyTypeObject* type, PyObject* args,
75 static acl_perm_t holder_ACL_EXECUTE = ACL_EXECUTE;
76 static acl_perm_t holder_ACL_READ = ACL_READ;
77 static acl_perm_t holder_ACL_WRITE = ACL_WRITE;
91 PyObject *parent_acl; /* The parent acl, so it won't run out on us */
97 PyObject *parent_entry; /* The parent entry, so it won't run out on us */
98 acl_permset_t permset;
103 /* Creation of a new ACL instance */
104 static PyObject* ACL_new(PyTypeObject* type, PyObject* args,
108 newacl = type->tp_alloc(type, 0);
111 ((ACL_Object*)newacl)->acl = NULL;
113 ((ACL_Object*)newacl)->entry_id = ACL_FIRST_ENTRY;
120 /* Initialization of a new ACL instance */
121 static int ACL_init(PyObject* obj, PyObject* args, PyObject *keywds) {
122 ACL_Object* self = (ACL_Object*) obj;
124 static char *kwlist[] = { "file", "fd", "text", "acl", "filedef",
126 char *format = "|etisO!si";
129 static char *kwlist[] = { "file", "fd", "text", "acl", "filedef", NULL };
130 char *format = "|etisO!s";
133 char *filedef = NULL;
136 ACL_Object* thesrc = NULL;
138 if(!PyTuple_Check(args) || PyTuple_Size(args) != 0 ||
139 (keywds != NULL && PyDict_Check(keywds) && PyDict_Size(keywds) > 1)) {
140 PyErr_SetString(PyExc_ValueError, "a max of one keyword argument"
144 if(!PyArg_ParseTupleAndKeywords(args, keywds, format, kwlist,
145 NULL, &file, &fd, &text, &ACL_Type,
153 /* Free the old acl_t without checking for error, we don't
155 if(self->acl != NULL)
159 self->acl = acl_get_file(file, ACL_TYPE_ACCESS);
160 else if(text != NULL)
161 self->acl = acl_from_text(text);
163 self->acl = acl_get_fd(fd);
164 else if(thesrc != NULL)
165 self->acl = acl_dup(thesrc->acl);
166 else if(filedef != NULL)
167 self->acl = acl_get_file(filedef, ACL_TYPE_DEFAULT);
170 self->acl = acl_from_mode(mode);
173 self->acl = acl_init(0);
175 if(self->acl == NULL) {
176 PyErr_SetFromErrno(PyExc_IOError);
183 /* Standard type functions */
184 static void ACL_dealloc(PyObject* obj) {
185 ACL_Object *self = (ACL_Object*) obj;
186 PyObject *err_type, *err_value, *err_traceback;
187 int have_error = PyErr_Occurred() ? 1 : 0;
190 PyErr_Fetch(&err_type, &err_value, &err_traceback);
191 if(self->acl != NULL && acl_free(self->acl) != 0)
192 PyErr_WriteUnraisable(obj);
194 PyErr_Restore(err_type, err_value, err_traceback);
198 /* Converts the acl to a text format */
199 static PyObject* ACL_str(PyObject *obj) {
201 ACL_Object *self = (ACL_Object*) obj;
204 text = acl_to_text(self->acl, NULL);
206 return PyErr_SetFromErrno(PyExc_IOError);
208 ret = PyUnicode_FromString(text);
209 if(acl_free(text) != 0) {
211 return PyErr_SetFromErrno(PyExc_IOError);
217 static char __to_any_text_doc__[] =
218 "to_any_text([prefix='', separator='n', options=0])\n"
219 "Convert the ACL to a custom text format.\n"
221 "This method encapsulates the ``acl_to_any_text()`` function.\n"
222 "It allows a customized text format to be generated for the ACL. See\n"
223 ":manpage:`acl_to_any_text(3)` for more details.\n"
225 ":param string prefix: if given, this string will be pre-pended to\n"
227 ":param string separator: a single character (defaults to '\\n'); this will"
228 " be used to separate the entries in the ACL\n"
229 ":param options: a bitwise combination of:\n\n"
230 " - :py:data:`TEXT_ABBREVIATE`: use 'u' instead of 'user', 'g' \n"
231 " instead of 'group', etc.\n"
232 " - :py:data:`TEXT_NUMERIC_IDS`: User and group IDs are included as\n"
233 " decimal numbers instead of names\n"
234 " - :py:data:`TEXT_SOME_EFFECTIVE`: Include comments denoting the\n"
235 " effective permissions when some are masked\n"
236 " - :py:data:`TEXT_ALL_EFFECTIVE`: Include comments after all ACL\n"
237 " entries affected by an ACL_MASK entry\n"
238 " - :py:data:`TEXT_SMART_INDENT`: Used in combination with the\n"
239 " _EFFECTIVE options, this will ensure that comments are aligned\n"
240 " to the fourth tab position (assuming one tab equals eight spaces)\n"
244 /* Converts the acl to a custom text format */
245 static PyObject* ACL_to_any_text(PyObject *obj, PyObject *args,
248 ACL_Object *self = (ACL_Object*) obj;
250 const char *arg_prefix = NULL;
251 char arg_separator = '\n';
253 static char *kwlist[] = {"prefix", "separator", "options", NULL};
255 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|sci", kwlist, &arg_prefix,
256 &arg_separator, &arg_options))
259 text = acl_to_any_text(self->acl, arg_prefix, arg_separator, arg_options);
261 return PyErr_SetFromErrno(PyExc_IOError);
263 ret = PyBytes_FromString(text);
264 if(acl_free(text) != 0) {
266 return PyErr_SetFromErrno(PyExc_IOError);
271 static char __check_doc__[] =
272 "Check the ACL validity.\n"
274 "This is a non-portable, Linux specific extension that allow more\n"
275 "information to be retrieved in case an ACL is not valid than via the\n"
276 ":py:func:`valid` method.\n"
278 "This method will return either False (the ACL is valid), or a tuple\n"
279 "with two elements. The first element is one of the following\n"
281 " - :py:data:`ACL_MULTI_ERROR`: The ACL contains multiple entries that\n"
282 " have a tag type that may occur at most once\n"
283 " - :py:data:`ACL_DUPLICATE_ERROR`: The ACL contains multiple \n"
284 " :py:data:`ACL_USER` or :py:data:`ACL_GROUP` entries with the\n"
286 " - :py:data:`ACL_MISS_ERROR`: A required entry is missing\n"
287 " - :py:data:`ACL_ENTRY_ERROR`: The ACL contains an invalid entry\n"
290 "The second element of the tuple is the index of the entry that is\n"
291 "invalid (in the same order as by iterating over the ACL entry)\n"
294 /* The acl_check method */
295 static PyObject* ACL_check(PyObject* obj, PyObject* args) {
296 ACL_Object *self = (ACL_Object*) obj;
300 if((result = acl_check(self->acl, &eindex)) == -1)
301 return PyErr_SetFromErrno(PyExc_IOError);
305 return Py_BuildValue("(ii)", result, eindex);
308 /* Implementation of the rich compare for ACLs */
309 static PyObject* ACL_richcompare(PyObject* o1, PyObject* o2, int op) {
310 ACL_Object *acl1, *acl2;
314 if(!PyObject_IsInstance(o2, (PyObject*)&ACL_Type)) {
319 PyErr_SetString(PyExc_TypeError, "can only compare to an ACL");
323 acl1 = (ACL_Object*)o1;
324 acl2 = (ACL_Object*)o2;
325 if((n=acl_cmp(acl1->acl, acl2->acl))==-1)
326 return PyErr_SetFromErrno(PyExc_IOError);
329 ret = n == 0 ? Py_True : Py_False;
332 ret = n == 1 ? Py_True : Py_False;
335 PyErr_SetString(PyExc_TypeError, "ACLs are not orderable");
342 static char __equiv_mode_doc__[] =
343 "Return the octal mode the ACL is equivalent to.\n"
345 "This is a non-portable, Linux specific extension that checks\n"
346 "if the ACL is a basic ACL and returns the corresponding mode.\n"
349 ":raise IOError: An IOerror exception will be raised if the ACL is\n"
350 " an extended ACL.\n"
353 /* The acl_equiv_mode method */
354 static PyObject* ACL_equiv_mode(PyObject* obj, PyObject* args) {
355 ACL_Object *self = (ACL_Object*) obj;
358 if(acl_equiv_mode(self->acl, &mode) == -1)
359 return PyErr_SetFromErrno(PyExc_IOError);
360 return PyLong_FromLong(mode);
365 static char __applyto_doc__[] =
366 "applyto(item[, flag=ACL_TYPE_ACCESS])\n"
367 "Apply the ACL to a file or filehandle.\n"
369 ":param item: either a filename or a file-like object or an integer;\n"
370 " this represents the filesystem object on which to act\n"
371 ":param flag: optional flag representing the type of ACL to set, either\n"
372 " :py:data:`ACL_TYPE_ACCESS` (default) or :py:data:`ACL_TYPE_DEFAULT`\n"
375 /* Applies the ACL to a file */
376 static PyObject* ACL_applyto(PyObject* obj, PyObject* args) {
377 ACL_Object *self = (ACL_Object*) obj;
379 acl_type_t type = ACL_TYPE_ACCESS;
383 if (!PyArg_ParseTuple(args, "O|I", &myarg, &type))
386 if(PyBytes_Check(myarg)) {
387 char *filename = PyBytes_AS_STRING(myarg);
388 nret = acl_set_file(filename, type, self->acl);
389 } else if (PyUnicode_Check(myarg)) {
391 PyUnicode_AsEncodedString(myarg,
392 Py_FileSystemDefaultEncoding, "strict");
395 const char *filename = PyBytes_AS_STRING(o);
396 nret = acl_set_file(filename, type, self->acl);
398 } else if((fd = PyObject_AsFileDescriptor(myarg)) != -1) {
399 nret = acl_set_fd(fd, self->acl);
401 PyErr_SetString(PyExc_TypeError, "argument 1 must be string, int,"
402 " or file-like object");
406 return PyErr_SetFromErrno(PyExc_IOError);
409 /* Return the result */
414 static char __valid_doc__[] =
415 "Test the ACL for validity.\n"
417 "This method tests the ACL to see if it is a valid ACL\n"
418 "in terms of the file-system. More precisely, it checks that:\n"
420 "The ACL contains exactly one entry with each of the\n"
421 ":py:data:`ACL_USER_OBJ`, :py:data:`ACL_GROUP_OBJ`, and \n"
422 ":py:data:`ACL_OTHER` tag types. Entries\n"
423 "with :py:data:`ACL_USER` and :py:data:`ACL_GROUP` tag types may\n"
424 "appear zero or more\n"
425 "times in an ACL. An ACL that contains entries of :py:data:`ACL_USER` or\n"
426 ":py:data:`ACL_GROUP` tag types must contain exactly one entry of the \n"
427 ":py:data:`ACL_MASK` tag type. If an ACL contains no entries of\n"
428 ":py:data:`ACL_USER` or :py:data:`ACL_GROUP` tag types, the\n"
429 ":py:data:`ACL_MASK` entry is optional.\n"
431 "All user ID qualifiers must be unique among all entries of\n"
432 "the :py:data:`ACL_USER` tag type, and all group IDs must be unique\n"
433 "among all entries of :py:data:`ACL_GROUP` tag type.\n"
435 "The method will return 1 for a valid ACL and 0 for an invalid one.\n"
436 "This has been chosen because the specification for\n"
437 ":manpage:`acl_valid(3)`\n"
438 "in the POSIX.1e standard documents only one possible value for errno\n"
439 "in case of an invalid ACL, so we can't differentiate between\n"
440 "classes of errors. Other suggestions are welcome.\n"
446 /* Checks the ACL for validity */
447 static PyObject* ACL_valid(PyObject* obj, PyObject* args) {
448 ACL_Object *self = (ACL_Object*) obj;
450 if(acl_valid(self->acl) == -1) {
457 #ifdef HAVE_ACL_COPY_EXT
458 static PyObject* ACL_get_state(PyObject *obj, PyObject* args) {
459 ACL_Object *self = (ACL_Object*) obj;
464 size = acl_size(self->acl);
466 return PyErr_SetFromErrno(PyExc_IOError);
468 if((ret = PyBytes_FromStringAndSize(NULL, size)) == NULL)
470 buf = PyBytes_AsString(ret);
472 if((nsize = acl_copy_ext(buf, self->acl, size)) == -1) {
474 return PyErr_SetFromErrno(PyExc_IOError);
480 static PyObject* ACL_set_state(PyObject *obj, PyObject* args) {
481 ACL_Object *self = (ACL_Object*) obj;
486 /* Parse the argument */
487 if (!PyArg_ParseTuple(args, "s#", &buf, &bufsize))
490 /* Try to import the external representation */
491 if((ptr = acl_copy_int(buf)) == NULL)
492 return PyErr_SetFromErrno(PyExc_IOError);
494 /* Free the old acl. Should we ignore errors here? */
495 if(self->acl != NULL) {
496 if(acl_free(self->acl) == -1)
497 return PyErr_SetFromErrno(PyExc_IOError);
502 /* Return the result */
510 /* tp_iter for the ACL type; since it can be iterated only
511 * destructively, the type is its iterator
513 static PyObject* ACL_iter(PyObject *obj) {
514 ACL_Object *self = (ACL_Object*)obj;
515 self->entry_id = ACL_FIRST_ENTRY;
520 /* the tp_iternext function for the ACL type */
521 static PyObject* ACL_iternext(PyObject *obj) {
522 ACL_Object *self = (ACL_Object*)obj;
523 acl_entry_t the_entry_t;
524 Entry_Object *the_entry_obj;
527 nerr = acl_get_entry(self->acl, self->entry_id, &the_entry_t);
528 self->entry_id = ACL_NEXT_ENTRY;
530 return PyErr_SetFromErrno(PyExc_IOError);
532 /* Docs says this is not needed */
533 /*PyErr_SetObject(PyExc_StopIteration, Py_None);*/
537 the_entry_obj = (Entry_Object*) PyType_GenericNew(&Entry_Type, NULL, NULL);
538 if(the_entry_obj == NULL)
541 the_entry_obj->entry = the_entry_t;
543 the_entry_obj->parent_acl = obj;
544 Py_INCREF(obj); /* For the reference we have in entry->parent */
546 return (PyObject*)the_entry_obj;
549 static char __ACL_delete_entry_doc__[] =
550 "delete_entry(entry)\n"
551 "Deletes an entry from the ACL.\n"
553 ".. note:: Only available with level 2.\n"
555 ":param entry: the Entry object which should be deleted; note that after\n"
556 " this function is called, that object is unusable any longer\n"
557 " and should be deleted\n"
560 /* Deletes an entry from the ACL */
561 static PyObject* ACL_delete_entry(PyObject *obj, PyObject *args) {
562 ACL_Object *self = (ACL_Object*)obj;
565 if (!PyArg_ParseTuple(args, "O!", &Entry_Type, &e))
568 if(acl_delete_entry(self->acl, e->entry) == -1)
569 return PyErr_SetFromErrno(PyExc_IOError);
571 /* Return the result */
576 static char __ACL_calc_mask_doc__[] =
577 "Compute the file group class mask.\n"
579 "The calc_mask() method calculates and sets the permissions \n"
580 "associated with the :py:data:`ACL_MASK` Entry of the ACL.\n"
581 "The value of the new permissions is the union of the permissions \n"
582 "granted by all entries of tag type :py:data:`ACL_GROUP`, \n"
583 ":py:data:`ACL_GROUP_OBJ`, or \n"
584 ":py:data:`ACL_USER`. If the ACL already contains an :py:data:`ACL_MASK`\n"
586 "permissions are overwritten; if it does not contain an \n"
587 ":py:data:`ACL_MASK` Entry, one is added.\n"
589 "The order of existing entries in the ACL is undefined after this \n"
593 /* Updates the mask entry in the ACL */
594 static PyObject* ACL_calc_mask(PyObject *obj, PyObject *args) {
595 ACL_Object *self = (ACL_Object*)obj;
597 if(acl_calc_mask(&self->acl) == -1)
598 return PyErr_SetFromErrno(PyExc_IOError);
600 /* Return the result */
605 static char __ACL_append_doc__[] =
607 "Append a new Entry to the ACL and return it.\n"
609 "This is a convenience function to create a new Entry \n"
610 "and append it to the ACL.\n"
611 "If a parameter of type Entry instance is given, the \n"
612 "entry will be a copy of that one (as if copied with \n"
613 ":py:func:`Entry.copy`), otherwise, the new entry will be empty.\n"
615 ":rtype: :py:class:`Entry`\n"
616 ":returns: the newly created entry\n"
619 /* Convenience method to create a new Entry */
620 static PyObject* ACL_append(PyObject *obj, PyObject *args) {
621 ACL_Object* self = (ACL_Object*) obj;
622 Entry_Object* newentry;
623 Entry_Object* oldentry = NULL;
626 newentry = (Entry_Object*)PyType_GenericNew(&Entry_Type, NULL, NULL);
627 if(newentry == NULL) {
631 if (!PyArg_ParseTuple(args, "|O!", &Entry_Type, &oldentry)) {
636 nret = acl_create_entry(&self->acl, &newentry->entry);
639 return PyErr_SetFromErrno(PyExc_IOError);
642 if(oldentry != NULL) {
643 nret = acl_copy_entry(newentry->entry, oldentry->entry);
646 return PyErr_SetFromErrno(PyExc_IOError);
650 newentry->parent_acl = obj;
653 return (PyObject*)newentry;
656 /***** Entry type *****/
666 /* Pre-declaring the function is more friendly to cpychecker, sigh. */
667 static int get_tag_qualifier(acl_entry_t entry, tag_qual *tq)
668 CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION;
670 /* Helper function to get the tag and qualifier of an Entry at the
671 same time. This is "needed" because the acl_get_qualifier function
672 returns a pointer to different types, based on the tag value, and
673 thus it's not straightforward to get the right type.
675 It sets a Python exception if an error occurs, and returns -1 in
676 this case. If successful, the tag is set to the tag type, the
677 qualifier (if any) to either the uid or the gid entry in the
678 tag_qual structure, and the return value is 0.
680 static int get_tag_qualifier(acl_entry_t entry, tag_qual *tq) {
683 if(acl_get_tag_type(entry, &tq->tag) == -1) {
684 PyErr_SetFromErrno(PyExc_IOError);
687 if (tq->tag == ACL_USER || tq->tag == ACL_GROUP) {
688 if((p = acl_get_qualifier(entry)) == NULL) {
689 PyErr_SetFromErrno(PyExc_IOError);
692 if (tq->tag == ACL_USER) {
693 tq->uid = *(uid_t*)p;
695 tq->gid = *(gid_t*)p;
702 /* Creation of a new Entry instance */
703 static PyObject* Entry_new(PyTypeObject* type, PyObject* args,
707 newentry = PyType_GenericNew(type, args, keywds);
709 if(newentry != NULL) {
710 ((Entry_Object*)newentry)->entry = NULL;
711 ((Entry_Object*)newentry)->parent_acl = NULL;
717 /* Initialization of a new Entry instance */
718 static int Entry_init(PyObject* obj, PyObject* args, PyObject *keywds) {
719 Entry_Object* self = (Entry_Object*) obj;
720 ACL_Object* parent = NULL;
722 if (!PyArg_ParseTuple(args, "O!", &ACL_Type, &parent))
725 if(acl_create_entry(&parent->acl, &self->entry) == -1) {
726 PyErr_SetFromErrno(PyExc_IOError);
730 self->parent_acl = (PyObject*)parent;
736 /* Free the Entry instance */
737 static void Entry_dealloc(PyObject* obj) {
738 Entry_Object *self = (Entry_Object*) obj;
739 PyObject *err_type, *err_value, *err_traceback;
740 int have_error = PyErr_Occurred() ? 1 : 0;
743 PyErr_Fetch(&err_type, &err_value, &err_traceback);
744 if(self->parent_acl != NULL) {
745 Py_DECREF(self->parent_acl);
746 self->parent_acl = NULL;
749 PyErr_Restore(err_type, err_value, err_traceback);
753 /* Converts the entry to a text format */
754 static PyObject* Entry_str(PyObject *obj) {
755 PyObject *format, *kind;
756 Entry_Object *self = (Entry_Object*) obj;
759 if(get_tag_qualifier(self->entry, &tq) < 0) {
763 format = PyUnicode_FromString("ACL entry for ");
767 case ACL_UNDEFINED_TAG:
768 kind = PyUnicode_FromString("undefined type");
771 kind = PyUnicode_FromString("the owner");
774 kind = PyUnicode_FromString("the group");
777 kind = PyUnicode_FromString("the others");
780 /* FIXME: here and in the group case, we're formatting with
781 unsigned, because there's no way to automatically determine
782 the signed-ness of the types; on Linux(glibc) they're
783 unsigned, so we'll go along with that */
784 kind = PyUnicode_FromFormat("user with uid %u", tq.uid);
787 kind = PyUnicode_FromFormat("group with gid %u", tq.gid);
790 kind = PyUnicode_FromString("the mask");
793 kind = PyUnicode_FromString("UNKNOWN_TAG_TYPE!");
800 PyObject *ret = PyUnicode_Concat(format, kind);
806 /* Sets the tag type of the entry */
807 static int Entry_set_tag_type(PyObject* obj, PyObject* value, void* arg) {
808 Entry_Object *self = (Entry_Object*) obj;
811 PyErr_SetString(PyExc_TypeError,
812 "tag type deletion is not supported");
816 if(!PyLong_Check(value)) {
817 PyErr_SetString(PyExc_TypeError,
818 "tag type must be integer");
821 if(acl_set_tag_type(self->entry, (acl_tag_t)PyLong_AsLong(value)) == -1) {
822 PyErr_SetFromErrno(PyExc_IOError);
829 /* Returns the tag type of the entry */
830 static PyObject* Entry_get_tag_type(PyObject *obj, void* arg) {
831 Entry_Object *self = (Entry_Object*) obj;
834 if (self->entry == NULL) {
835 PyErr_SetString(PyExc_AttributeError, "entry attribute");
838 if(acl_get_tag_type(self->entry, &value) == -1) {
839 PyErr_SetFromErrno(PyExc_IOError);
843 return PyLong_FromLong(value);
846 /* Sets the qualifier (either uid_t or gid_t) for the entry,
847 * usable only if the tag type if ACL_USER or ACL_GROUP
849 static int Entry_set_qualifier(PyObject* obj, PyObject* value, void* arg) {
850 Entry_Object *self = (Entry_Object*) obj;
858 PyErr_SetString(PyExc_TypeError,
859 "qualifier deletion is not supported");
863 if(!PyLong_Check(value)) {
864 PyErr_SetString(PyExc_TypeError,
865 "qualifier must be integer");
868 if((uidgid = PyLong_AsLong(value)) == -1) {
869 if(PyErr_Occurred() != NULL) {
873 /* Due to how acl_set_qualifier takes its argument, we have to do
874 this ugly dance with two variables and a pointer that will
875 point to one of them. */
876 if(acl_get_tag_type(self->entry, &tag) == -1) {
877 PyErr_SetFromErrno(PyExc_IOError);
884 if((long)uid != uidgid) {
885 PyErr_SetString(PyExc_OverflowError, "cannot assign given qualifier");
892 if((long)gid != uidgid) {
893 PyErr_SetString(PyExc_OverflowError, "cannot assign given qualifier");
900 PyErr_SetString(PyExc_TypeError,
901 "can only set qualifiers on ACL_USER or ACL_GROUP entries");
904 if(acl_set_qualifier(self->entry, p) == -1) {
905 PyErr_SetFromErrno(PyExc_IOError);
912 /* Returns the qualifier of the entry */
913 static PyObject* Entry_get_qualifier(PyObject *obj, void* arg) {
914 Entry_Object *self = (Entry_Object*) obj;
918 if (self->entry == NULL) {
919 PyErr_SetString(PyExc_AttributeError, "entry attribute");
922 if(get_tag_qualifier(self->entry, &tq) < 0) {
925 if (tq.tag == ACL_USER) {
927 } else if (tq.tag == ACL_GROUP) {
930 PyErr_SetString(PyExc_TypeError,
931 "given entry doesn't have an user or"
935 return PyLong_FromLong(value);
938 /* Returns the parent ACL of the entry */
939 static PyObject* Entry_get_parent(PyObject *obj, void* arg) {
940 Entry_Object *self = (Entry_Object*) obj;
942 Py_INCREF(self->parent_acl);
943 return self->parent_acl;
946 /* Returns the a new Permset representing the permset of the entry
947 * FIXME: Should return a new reference to the same object, which
948 * should be created at init time!
950 static PyObject* Entry_get_permset(PyObject *obj, void* arg) {
951 Entry_Object *self = (Entry_Object*)obj;
955 p = Permset_new(&Permset_Type, NULL, NULL);
958 ps = (Permset_Object*)p;
959 if(acl_get_permset(self->entry, &ps->permset) == -1) {
960 PyErr_SetFromErrno(PyExc_IOError);
964 ps->parent_entry = obj;
970 /* Sets the permset of the entry to the passed Permset */
971 static int Entry_set_permset(PyObject* obj, PyObject* value, void* arg) {
972 Entry_Object *self = (Entry_Object*)obj;
975 if(!PyObject_IsInstance(value, (PyObject*)&Permset_Type)) {
976 PyErr_SetString(PyExc_TypeError, "argument 1 must be posix1e.Permset");
979 p = (Permset_Object*)value;
980 if(acl_set_permset(self->entry, p->permset) == -1) {
981 PyErr_SetFromErrno(PyExc_IOError);
987 static char __Entry_copy_doc__[] =
989 "Copies an ACL entry.\n"
991 "This method sets all the parameters to those of another\n"
992 "entry (either of the same ACL or belonging to another ACL).\n"
994 ":param Entry src: instance of type Entry\n"
997 /* Sets all the entry parameters to another entry */
998 static PyObject* Entry_copy(PyObject *obj, PyObject *args) {
999 Entry_Object *self = (Entry_Object*)obj;
1000 Entry_Object *other;
1002 if(!PyArg_ParseTuple(args, "O!", &Entry_Type, &other))
1005 if(acl_copy_entry(self->entry, other->entry) == -1)
1006 return PyErr_SetFromErrno(PyExc_IOError);
1012 /**** Permset type *****/
1014 /* Creation of a new Permset instance */
1015 static PyObject* Permset_new(PyTypeObject* type, PyObject* args,
1017 PyObject* newpermset;
1019 newpermset = PyType_GenericNew(type, args, keywds);
1021 if(newpermset != NULL) {
1022 ((Permset_Object*)newpermset)->permset = NULL;
1023 ((Permset_Object*)newpermset)->parent_entry = NULL;
1029 /* Initialization of a new Permset instance */
1030 static int Permset_init(PyObject* obj, PyObject* args, PyObject *keywds) {
1031 Permset_Object* self = (Permset_Object*) obj;
1032 Entry_Object* parent = NULL;
1034 if (!PyArg_ParseTuple(args, "O!", &Entry_Type, &parent))
1037 if(acl_get_permset(parent->entry, &self->permset) == -1) {
1038 PyErr_SetFromErrno(PyExc_IOError);
1042 self->parent_entry = (PyObject*)parent;
1048 /* Free the Permset instance */
1049 static void Permset_dealloc(PyObject* obj) {
1050 Permset_Object *self = (Permset_Object*) obj;
1051 PyObject *err_type, *err_value, *err_traceback;
1052 int have_error = PyErr_Occurred() ? 1 : 0;
1055 PyErr_Fetch(&err_type, &err_value, &err_traceback);
1056 if(self->parent_entry != NULL) {
1057 Py_DECREF(self->parent_entry);
1058 self->parent_entry = NULL;
1061 PyErr_Restore(err_type, err_value, err_traceback);
1065 /* Permset string representation */
1066 static PyObject* Permset_str(PyObject *obj) {
1067 Permset_Object *self = (Permset_Object*) obj;
1070 pstr[0] = get_perm(self->permset, ACL_READ) ? 'r' : '-';
1071 pstr[1] = get_perm(self->permset, ACL_WRITE) ? 'w' : '-';
1072 pstr[2] = get_perm(self->permset, ACL_EXECUTE) ? 'x' : '-';
1073 return PyUnicode_FromStringAndSize(pstr, 3);
1076 static char __Permset_clear_doc__[] =
1077 "Clears all permissions from the permission set.\n"
1080 /* Clears all permissions from the permset */
1081 static PyObject* Permset_clear(PyObject* obj, PyObject* args) {
1082 Permset_Object *self = (Permset_Object*) obj;
1084 if(acl_clear_perms(self->permset) == -1)
1085 return PyErr_SetFromErrno(PyExc_IOError);
1087 /* Return the result */
1092 static PyObject* Permset_get_right(PyObject *obj, void* arg) {
1093 Permset_Object *self = (Permset_Object*) obj;
1095 if(get_perm(self->permset, *(acl_perm_t*)arg)) {
1102 static int Permset_set_right(PyObject* obj, PyObject* value, void* arg) {
1103 Permset_Object *self = (Permset_Object*) obj;
1107 if(!PyLong_Check(value)) {
1108 PyErr_SetString(PyExc_ValueError, "invalid argument, an integer"
1112 on = PyLong_AsLong(value);
1114 nerr = acl_add_perm(self->permset, *(acl_perm_t*)arg);
1116 nerr = acl_delete_perm(self->permset, *(acl_perm_t*)arg);
1118 PyErr_SetFromErrno(PyExc_IOError);
1124 static char __Permset_add_doc__[] =
1126 "Add a permission to the permission set.\n"
1128 "This function adds the permission contained in \n"
1129 "the argument perm to the permission set. An attempt \n"
1130 "to add a permission that is already contained in the \n"
1131 "permission set is not considered an error.\n"
1133 ":param perm: a permission (:py:data:`ACL_WRITE`, :py:data:`ACL_READ`,\n"
1134 " :py:data:`ACL_EXECUTE`, ...)\n"
1135 ":raises IOError: in case the argument is not a valid descriptor\n"
1138 static PyObject* Permset_add(PyObject* obj, PyObject* args) {
1139 Permset_Object *self = (Permset_Object*) obj;
1142 if (!PyArg_ParseTuple(args, "i", &right))
1145 if(acl_add_perm(self->permset, (acl_perm_t) right) == -1)
1146 return PyErr_SetFromErrno(PyExc_IOError);
1148 /* Return the result */
1153 static char __Permset_delete_doc__[] =
1155 "Delete a permission from the permission set.\n"
1157 "This function deletes the permission contained in \n"
1158 "the argument perm from the permission set. An attempt \n"
1159 "to delete a permission that is not contained in the \n"
1160 "permission set is not considered an error.\n"
1162 ":param perm: a permission (:py:data:`ACL_WRITE`, :py:data:`ACL_READ`,\n"
1163 " :py:data:`ACL_EXECUTE`, ...)\n"
1164 ":raises IOError: in case the argument is not a valid descriptor\n"
1167 static PyObject* Permset_delete(PyObject* obj, PyObject* args) {
1168 Permset_Object *self = (Permset_Object*) obj;
1171 if (!PyArg_ParseTuple(args, "i", &right))
1174 if(acl_delete_perm(self->permset, (acl_perm_t) right) == -1)
1175 return PyErr_SetFromErrno(PyExc_IOError);
1177 /* Return the result */
1182 static char __Permset_test_doc__[] =
1184 "Test if a permission exists in the permission set.\n"
1186 "The test() function tests if the permission represented by\n"
1187 "the argument perm exists in the permission set.\n"
1189 ":param perm: a permission (:py:data:`ACL_WRITE`, :py:data:`ACL_READ`,\n"
1190 " :py:data:`ACL_EXECUTE`, ...)\n"
1192 ":raises IOError: in case the argument is not a valid descriptor\n"
1195 static PyObject* Permset_test(PyObject* obj, PyObject* args) {
1196 Permset_Object *self = (Permset_Object*) obj;
1200 if (!PyArg_ParseTuple(args, "i", &right))
1203 ret = get_perm(self->permset, (acl_perm_t) right);
1205 return PyErr_SetFromErrno(PyExc_IOError);
1216 static char __ACL_Type_doc__[] =
1217 "Type which represents a POSIX ACL\n"
1219 ".. note:: only one keyword parameter should be provided\n"
1221 ":param string file: creates an ACL representing\n"
1222 " the access ACL of the specified file.\n"
1223 ":param string filedef: creates an ACL representing\n"
1224 " the default ACL of the given directory.\n"
1225 ":param int fd: creates an ACL representing\n"
1226 " the access ACL of the given file descriptor.\n"
1227 ":param string text: creates an ACL from a \n"
1228 " textual description; note the ACL must be valid, which\n"
1229 " means including a mask for extended ACLs, similar to\n"
1230 " ``setfacl --no-mask``\n"
1231 ":param ACL acl: creates a copy of an existing ACL instance.\n"
1232 ":param int mode: creates an ACL from a numeric mode\n"
1233 " (e.g. ``mode=0644``); this is valid only when the C library\n"
1234 " provides the ``acl_from_mode call``, and\n"
1235 " note that no validation is done on the given value.\n"
1237 "If no parameters are passed, an empty ACL will be created; this\n"
1238 "makes sense only when your OS supports ACL modification\n"
1239 "(i.e. it implements full POSIX.1e support), otherwise the ACL won't\n"
1243 /* ACL type methods */
1244 static PyMethodDef ACL_methods[] = {
1245 {"applyto", ACL_applyto, METH_VARARGS, __applyto_doc__},
1246 {"valid", ACL_valid, METH_NOARGS, __valid_doc__},
1248 {"to_any_text", (PyCFunction)ACL_to_any_text, METH_VARARGS | METH_KEYWORDS,
1249 __to_any_text_doc__},
1250 {"check", ACL_check, METH_NOARGS, __check_doc__},
1251 {"equiv_mode", ACL_equiv_mode, METH_NOARGS, __equiv_mode_doc__},
1253 #ifdef HAVE_ACL_COPYEXT
1254 {"__getstate__", ACL_get_state, METH_NOARGS,
1255 "Dumps the ACL to an external format."},
1256 {"__setstate__", ACL_set_state, METH_VARARGS,
1257 "Loads the ACL from an external format."},
1260 {"delete_entry", ACL_delete_entry, METH_VARARGS, __ACL_delete_entry_doc__},
1261 {"calc_mask", ACL_calc_mask, METH_NOARGS, __ACL_calc_mask_doc__},
1262 {"append", ACL_append, METH_VARARGS, __ACL_append_doc__},
1264 {NULL, NULL, 0, NULL}
1268 /* The definition of the ACL Type */
1269 static PyTypeObject ACL_Type = {
1270 PyVarObject_HEAD_INIT(NULL, 0)
1274 ACL_dealloc, /* tp_dealloc */
1278 0, /* formerly tp_compare, in 3.0 deprecated, in
1281 0, /* tp_as_number */
1282 0, /* tp_as_sequence */
1283 0, /* tp_as_mapping */
1286 ACL_str, /* tp_str */
1287 0, /* tp_getattro */
1288 0, /* tp_setattro */
1289 0, /* tp_as_buffer */
1290 Py_TPFLAGS_DEFAULT, /* tp_flags */
1291 __ACL_Type_doc__, /* tp_doc */
1292 0, /* tp_traverse */
1295 ACL_richcompare, /* tp_richcompare */
1297 0, /* tp_richcompare */
1299 0, /* tp_weaklistoffset */
1305 0, /* tp_iternext */
1307 ACL_methods, /* tp_methods */
1312 0, /* tp_descr_get */
1313 0, /* tp_descr_set */
1314 0, /* tp_dictoffset */
1315 ACL_init, /* tp_init */
1317 ACL_new, /* tp_new */
1322 /* Entry type methods */
1323 static PyMethodDef Entry_methods[] = {
1324 {"copy", Entry_copy, METH_VARARGS, __Entry_copy_doc__},
1325 {NULL, NULL, 0, NULL}
1328 static char __Entry_tagtype_doc__[] =
1329 "The tag type of the current entry\n"
1332 " - :py:data:`ACL_UNDEFINED_TAG`\n"
1333 " - :py:data:`ACL_USER_OBJ`\n"
1334 " - :py:data:`ACL_USER`\n"
1335 " - :py:data:`ACL_GROUP_OBJ`\n"
1336 " - :py:data:`ACL_GROUP`\n"
1337 " - :py:data:`ACL_MASK`\n"
1338 " - :py:data:`ACL_OTHER`\n"
1341 static char __Entry_qualifier_doc__[] =
1342 "The qualifier of the current entry\n"
1344 "If the tag type is :py:data:`ACL_USER`, this should be a user id.\n"
1345 "If the tag type if :py:data:`ACL_GROUP`, this should be a group id.\n"
1346 "Else it doesn't matter.\n"
1349 static char __Entry_parent_doc__[] =
1350 "The parent ACL of this entry\n"
1353 static char __Entry_permset_doc__[] =
1354 "The permission set of this ACL entry\n"
1358 static PyGetSetDef Entry_getsets[] = {
1359 {"tag_type", Entry_get_tag_type, Entry_set_tag_type,
1360 __Entry_tagtype_doc__},
1361 {"qualifier", Entry_get_qualifier, Entry_set_qualifier,
1362 __Entry_qualifier_doc__},
1363 {"parent", Entry_get_parent, NULL, __Entry_parent_doc__},
1364 {"permset", Entry_get_permset, Entry_set_permset, __Entry_permset_doc__},
1368 static char __Entry_Type_doc__[] =
1369 "Type which represents an entry in an ACL.\n"
1371 "The type exists only if the OS has full support for POSIX.1e\n"
1372 "Can be created either by:\n"
1374 " >>> e = posix1e.Entry(myACL) # this creates a new entry in the ACL\n"
1375 " >>> e = myACL.append() # another way for doing the same thing\n"
1379 " >>> for entry in myACL:\n"
1380 " ... print entry\n"
1382 "Note that the Entry keeps a reference to its ACL, so even if \n"
1383 "you delete the ACL, it won't be cleaned up and will continue to \n"
1384 "exist until its Entry(ies) will be deleted.\n"
1386 /* The definition of the Entry Type */
1387 static PyTypeObject Entry_Type = {
1388 PyVarObject_HEAD_INIT(NULL, 0)
1390 sizeof(Entry_Object),
1392 Entry_dealloc, /* tp_dealloc */
1398 0, /* tp_as_number */
1399 0, /* tp_as_sequence */
1400 0, /* tp_as_mapping */
1403 Entry_str, /* tp_str */
1404 0, /* tp_getattro */
1405 0, /* tp_setattro */
1406 0, /* tp_as_buffer */
1407 Py_TPFLAGS_DEFAULT, /* tp_flags */
1408 __Entry_Type_doc__, /* tp_doc */
1409 0, /* tp_traverse */
1411 0, /* tp_richcompare */
1412 0, /* tp_weaklistoffset */
1414 0, /* tp_iternext */
1415 Entry_methods, /* tp_methods */
1417 Entry_getsets, /* tp_getset */
1420 0, /* tp_descr_get */
1421 0, /* tp_descr_set */
1422 0, /* tp_dictoffset */
1423 Entry_init, /* tp_init */
1425 Entry_new, /* tp_new */
1428 /* Permset type methods */
1429 static PyMethodDef Permset_methods[] = {
1430 {"clear", Permset_clear, METH_NOARGS, __Permset_clear_doc__, },
1431 {"add", Permset_add, METH_VARARGS, __Permset_add_doc__, },
1432 {"delete", Permset_delete, METH_VARARGS, __Permset_delete_doc__, },
1433 {"test", Permset_test, METH_VARARGS, __Permset_test_doc__, },
1434 {NULL, NULL, 0, NULL}
1437 static char __Permset_execute_doc__[] =
1438 "Execute permission property\n"
1440 "This is a convenience method of retrieving and setting the execute\n"
1441 "permission in the permission set; the \n"
1442 "same effect can be achieved using the functions\n"
1443 "add(), test(), delete(), and those can take any \n"
1444 "permission defined by your platform.\n"
1447 static char __Permset_read_doc__[] =
1448 "Read permission property\n"
1450 "This is a convenience method of retrieving and setting the read\n"
1451 "permission in the permission set; the \n"
1452 "same effect can be achieved using the functions\n"
1453 "add(), test(), delete(), and those can take any \n"
1454 "permission defined by your platform.\n"
1457 static char __Permset_write_doc__[] =
1458 "Write permission property\n"
1460 "This is a convenience method of retrieving and setting the write\n"
1461 "permission in the permission set; the \n"
1462 "same effect can be achieved using the functions\n"
1463 "add(), test(), delete(), and those can take any \n"
1464 "permission defined by your platform.\n"
1467 /* Permset getset */
1468 static PyGetSetDef Permset_getsets[] = {
1469 {"execute", Permset_get_right, Permset_set_right,
1470 __Permset_execute_doc__, &holder_ACL_EXECUTE},
1471 {"read", Permset_get_right, Permset_set_right,
1472 __Permset_read_doc__, &holder_ACL_READ},
1473 {"write", Permset_get_right, Permset_set_right,
1474 __Permset_write_doc__, &holder_ACL_WRITE},
1478 static char __Permset_Type_doc__[] =
1479 "Type which represents the permission set in an ACL entry\n"
1481 "The type exists only if the OS has full support for POSIX.1e\n"
1482 "Can be retrieved either by:\n\n"
1483 ">>> perms = myEntry.permset\n"
1486 ">>> perms = posix1e.Permset(myEntry)\n"
1488 "Note that the Permset keeps a reference to its Entry, so even if \n"
1489 "you delete the entry, it won't be cleaned up and will continue to \n"
1490 "exist until its Permset will be deleted.\n"
1493 /* The definition of the Permset Type */
1494 static PyTypeObject Permset_Type = {
1495 PyVarObject_HEAD_INIT(NULL, 0)
1497 sizeof(Permset_Object),
1499 Permset_dealloc, /* tp_dealloc */
1505 0, /* tp_as_number */
1506 0, /* tp_as_sequence */
1507 0, /* tp_as_mapping */
1510 Permset_str, /* tp_str */
1511 0, /* tp_getattro */
1512 0, /* tp_setattro */
1513 0, /* tp_as_buffer */
1514 Py_TPFLAGS_DEFAULT, /* tp_flags */
1515 __Permset_Type_doc__,/* tp_doc */
1516 0, /* tp_traverse */
1518 0, /* tp_richcompare */
1519 0, /* tp_weaklistoffset */
1521 0, /* tp_iternext */
1522 Permset_methods, /* tp_methods */
1524 Permset_getsets, /* tp_getset */
1527 0, /* tp_descr_get */
1528 0, /* tp_descr_set */
1529 0, /* tp_dictoffset */
1530 Permset_init, /* tp_init */
1532 Permset_new, /* tp_new */
1537 /* Module methods */
1539 static char __deletedef_doc__[] =
1540 "delete_default(path)\n"
1541 "Delete the default ACL from a directory.\n"
1543 "This function deletes the default ACL associated with\n"
1544 "a directory (the ACL which will be ANDed with the mode\n"
1545 "parameter to the open, creat functions).\n"
1547 ":param string path: the directory whose default ACL should be deleted\n"
1550 /* Deletes the default ACL from a directory */
1551 static PyObject* aclmodule_delete_default(PyObject* obj, PyObject* args) {
1554 /* Parse the arguments */
1555 if (!PyArg_ParseTuple(args, "et", NULL, &filename))
1558 if(acl_delete_def_file(filename) == -1) {
1559 return PyErr_SetFromErrno(PyExc_IOError);
1562 /* Return the result */
1568 static char __has_extended_doc__[] =
1569 "has_extended(item)\n"
1570 "Check if a file or file handle has an extended ACL.\n"
1572 ":param item: either a file name or a file-like object or an integer;\n"
1573 " it represents the file-system object on which to act\n"
1576 /* Check for extended ACL a file or fd */
1577 static PyObject* aclmodule_has_extended(PyObject* obj, PyObject* args) {
1582 if (!PyArg_ParseTuple(args, "O", &myarg))
1585 if(PyBytes_Check(myarg)) {
1586 const char *filename = PyBytes_AS_STRING(myarg);
1587 nret = acl_extended_file(filename);
1588 } else if (PyUnicode_Check(myarg)) {
1590 PyUnicode_AsEncodedString(myarg,
1591 Py_FileSystemDefaultEncoding, "strict");
1594 const char *filename = PyBytes_AS_STRING(o);
1595 nret = acl_extended_file(filename);
1597 } else if((fd = PyObject_AsFileDescriptor(myarg)) != -1) {
1598 nret = acl_extended_fd(fd);
1600 PyErr_SetString(PyExc_TypeError, "argument 1 must be string, int,"
1601 " or file-like object");
1605 return PyErr_SetFromErrno(PyExc_IOError);
1608 /* Return the result */
1609 return PyBool_FromLong(nret);
1613 /* The module methods */
1614 static PyMethodDef aclmodule_methods[] = {
1615 {"delete_default", aclmodule_delete_default, METH_VARARGS,
1618 {"has_extended", aclmodule_has_extended, METH_VARARGS,
1619 __has_extended_doc__},
1621 {NULL, NULL, 0, NULL}
1624 static char __posix1e_doc__[] =
1625 "POSIX.1e ACLs manipulation\n"
1626 "==========================\n"
1628 "This module provides support for manipulating POSIX.1e ACLS\n"
1630 "Depending on the operating system support for POSIX.1e, \n"
1631 "the ACL type will have more or less capabilities:\n\n"
1632 " - level 1, only basic support, you can create\n"
1633 " ACLs from files and text descriptions;\n"
1634 " once created, the type is immutable\n"
1635 " - level 2, complete support, you can alter\n"
1636 " the ACL once it is created\n"
1638 "Also, in level 2, more types are available, corresponding\n"
1639 "to acl_entry_t (the Entry type), acl_permset_t (the Permset type).\n"
1641 "The existence of level 2 support and other extensions can be\n"
1642 "checked by the constants:\n\n"
1643 " - :py:data:`HAS_ACL_ENTRY` for level 2 and the Entry/Permset classes\n"
1644 " - :py:data:`HAS_ACL_FROM_MODE` for ``ACL(mode=...)`` usage\n"
1645 " - :py:data:`HAS_ACL_CHECK` for the :py:func:`ACL.check` function\n"
1646 " - :py:data:`HAS_EXTENDED_CHECK` for the module-level\n"
1647 " :py:func:`has_extended` function\n"
1648 " - :py:data:`HAS_EQUIV_MODE` for the :py:func:`ACL.equiv_mode` method\n"
1652 ">>> import posix1e\n"
1653 ">>> acl1 = posix1e.ACL(file=\"file.txt\") \n"
1659 ">>> b = posix1e.ACL(text=\"u::rx,g::-,o::-\")\n"
1665 ">>> b.applyto(\"file.txt\")\n"
1666 ">>> print posix1e.ACL(file=\"file.txt\")\n"
1672 ".. py:data:: ACL_USER\n\n"
1673 " Denotes a specific user entry in an ACL.\n"
1675 ".. py:data:: ACL_USER_OBJ\n\n"
1676 " Denotes the user owner entry in an ACL.\n"
1678 ".. py:data:: ACL_GROUP\n\n"
1679 " Denotes the a group entry in an ACL.\n"
1681 ".. py:data:: ACL_GROUP_OBJ\n\n"
1682 " Denotes the group owner entry in an ACL.\n"
1684 ".. py:data:: ACL_OTHER\n\n"
1685 " Denotes the 'others' entry in an ACL.\n"
1687 ".. py:data:: ACL_MASK\n\n"
1688 " Denotes the mask entry in an ACL, representing the maximum\n"
1689 " access granted other users, the owner group and other groups.\n"
1691 ".. py:data:: ACL_UNDEFINED_TAG\n\n"
1692 " An undefined tag in an ACL.\n"
1694 ".. py:data:: ACL_READ\n\n"
1695 " Read permission in a permission set.\n"
1697 ".. py:data:: ACL_WRITE\n\n"
1698 " Write permission in a permission set.\n"
1700 ".. py:data:: ACL_EXECUTE\n\n"
1701 " Execute permission in a permission set.\n"
1703 ".. py:data:: HAS_ACL_ENTRY\n\n"
1704 " denotes support for level 2 and the Entry/Permset classes\n"
1706 ".. py:data:: HAS_ACL_FROM_MODE\n\n"
1707 " denotes support for building an ACL from an octal mode\n"
1709 ".. py:data:: HAS_ACL_CHECK\n\n"
1710 " denotes support for extended checks of an ACL's validity\n"
1712 ".. py:data:: HAS_EXTENDED_CHECK\n\n"
1713 " denotes support for checking whether an ACL is basic or extended\n"
1715 ".. py:data:: HAS_EQUIV_MODE\n\n"
1716 " denotes support for the equiv_mode function\n"
1720 static struct PyModuleDef posix1emodule = {
1721 PyModuleDef_HEAD_INIT,
1729 PyInit_posix1e(void)
1733 Py_TYPE(&ACL_Type) = &PyType_Type;
1734 if(PyType_Ready(&ACL_Type) < 0)
1738 Py_TYPE(&Entry_Type) = &PyType_Type;
1739 if(PyType_Ready(&Entry_Type) < 0)
1742 Py_TYPE(&Permset_Type) = &PyType_Type;
1743 if(PyType_Ready(&Permset_Type) < 0)
1747 m = PyModule_Create(&posix1emodule);
1751 d = PyModule_GetDict(m);
1755 Py_INCREF(&ACL_Type);
1756 if (PyDict_SetItemString(d, "ACL",
1757 (PyObject *) &ACL_Type) < 0)
1760 /* 23.3.6 acl_type_t values */
1761 PyModule_AddIntConstant(m, "ACL_TYPE_ACCESS", ACL_TYPE_ACCESS);
1762 PyModule_AddIntConstant(m, "ACL_TYPE_DEFAULT", ACL_TYPE_DEFAULT);
1766 Py_INCREF(&Entry_Type);
1767 if (PyDict_SetItemString(d, "Entry",
1768 (PyObject *) &Entry_Type) < 0)
1771 Py_INCREF(&Permset_Type);
1772 if (PyDict_SetItemString(d, "Permset",
1773 (PyObject *) &Permset_Type) < 0)
1776 /* 23.2.2 acl_perm_t values */
1777 PyModule_AddIntConstant(m, "ACL_READ", ACL_READ);
1778 PyModule_AddIntConstant(m, "ACL_WRITE", ACL_WRITE);
1779 PyModule_AddIntConstant(m, "ACL_EXECUTE", ACL_EXECUTE);
1781 /* 23.2.5 acl_tag_t values */
1782 PyModule_AddIntConstant(m, "ACL_UNDEFINED_TAG", ACL_UNDEFINED_TAG);
1783 PyModule_AddIntConstant(m, "ACL_USER_OBJ", ACL_USER_OBJ);
1784 PyModule_AddIntConstant(m, "ACL_USER", ACL_USER);
1785 PyModule_AddIntConstant(m, "ACL_GROUP_OBJ", ACL_GROUP_OBJ);
1786 PyModule_AddIntConstant(m, "ACL_GROUP", ACL_GROUP);
1787 PyModule_AddIntConstant(m, "ACL_MASK", ACL_MASK);
1788 PyModule_AddIntConstant(m, "ACL_OTHER", ACL_OTHER);
1790 /* Document extended functionality via easy-to-use constants */
1791 PyModule_AddIntConstant(m, "HAS_ACL_ENTRY", 1);
1793 PyModule_AddIntConstant(m, "HAS_ACL_ENTRY", 0);
1797 /* Linux libacl specific acl_to_any_text constants */
1798 PyModule_AddIntConstant(m, "TEXT_ABBREVIATE", TEXT_ABBREVIATE);
1799 PyModule_AddIntConstant(m, "TEXT_NUMERIC_IDS", TEXT_NUMERIC_IDS);
1800 PyModule_AddIntConstant(m, "TEXT_SOME_EFFECTIVE", TEXT_SOME_EFFECTIVE);
1801 PyModule_AddIntConstant(m, "TEXT_ALL_EFFECTIVE", TEXT_ALL_EFFECTIVE);
1802 PyModule_AddIntConstant(m, "TEXT_SMART_INDENT", TEXT_SMART_INDENT);
1804 /* Linux libacl specific acl_check constants */
1805 PyModule_AddIntConstant(m, "ACL_MULTI_ERROR", ACL_MULTI_ERROR);
1806 PyModule_AddIntConstant(m, "ACL_DUPLICATE_ERROR", ACL_DUPLICATE_ERROR);
1807 PyModule_AddIntConstant(m, "ACL_MISS_ERROR", ACL_MISS_ERROR);
1808 PyModule_AddIntConstant(m, "ACL_ENTRY_ERROR", ACL_ENTRY_ERROR);
1810 #define LINUX_EXT_VAL 1
1812 #define LINUX_EXT_VAL 0
1814 /* declare the Linux extensions */
1815 PyModule_AddIntConstant(m, "HAS_ACL_FROM_MODE", LINUX_EXT_VAL);
1816 PyModule_AddIntConstant(m, "HAS_ACL_CHECK", LINUX_EXT_VAL);
1817 PyModule_AddIntConstant(m, "HAS_EXTENDED_CHECK", LINUX_EXT_VAL);
1818 PyModule_AddIntConstant(m, "HAS_EQUIV_MODE", LINUX_EXT_VAL);