Bug Summary

File:build/temp.linux-x86_64-3.8/../../dbus_bindings/message-append.c
Warning:line 320, column 25
PyObject ownership leak with reference count of 1

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name message-append.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -analyzer-output=html -analyzer-checker=python -analyzer-disable-checker=deadcode -analyzer-config prune-paths=true,suppress-c++-stdlib=true,suppress-inlined-defensive-checks=false,suppress-null-return-paths=false,crosscheck-with-z3=true,model-path=/opt/pyrefcon/lib/pyrefcon/models/models -analyzer-config experimental-enable-naive-ctu-analysis=true,ctu-dir=/tmp/pyrefcon/dbus-python/csa-scan,ctu-index-name=/tmp/pyrefcon/dbus-python/csa-scan/externalDefMap.txt,ctu-invocation-list=/tmp/pyrefcon/dbus-python/csa-scan/invocations.yaml,display-ctu-progress=false -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=none -relaxed-aliasing -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debug-info-kind=limited -dwarf-version=4 -debugger-tuning=gdb -fcoverage-compilation-dir=/tmp/pyrefcon/dbus-python/build/temp.linux-x86_64-3.8 -resource-dir /opt/pyrefcon/lib/clang/13.0.0 -include config.h -isystem /opt/pyrefcon/lib/pyrefcon/models/python3.8 -D HAVE_CONFIG_H -I . -I /tmp/pyrefcon/dbus-python -I /tmp/pyrefcon/dbus-python/include -I /usr/include/dbus-1.0 -I /usr/lib/x86_64-linux-gnu/dbus-1.0/include -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -D PIC -internal-isystem /opt/pyrefcon/lib/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wdeprecated-declarations -Wno-declaration-after-statement -Wno-duplicated-branches -Wno-inline -Wno-redundant-decls -Wno-switch-default -Wno-write-strings -Wnested-externs -Wmissing-prototypes -Wstrict-prototypes -Wimplicit-function-declaration -Wold-style-definition -Wjump-misses-init -Wall -Wextra -Wundef -Wpointer-arith -Wmissing-declarations -Wno-unused-parameter -Wno-missing-field-initializers -Wformat=2 -Wcast-align -Wformat-nonliteral -Wformat-security -Wsign-compare -Wstrict-aliasing -Wshadow -Wpacked -Wmissing-format-attribute -Wmissing-noreturn -Winit-self -Wmissing-include-dirs -Wunused-but-set-variable -Warray-bounds -Wreturn-type -Wswitch-enum -Wduplicated-cond -Wlogical-op -Wrestrict -Wnull-dereference -Wdouble-promotion -Wno-error=declaration-after-statement -Wno-error=duplicated-branches -Wno-error=inline -Wno-error=redundant-decls -Wno-error=switch-default -Wno-error=write-strings -Wno-error=unused-parameter -Wno-error=missing-field-initializers -fdebug-compilation-dir=/tmp/pyrefcon/dbus-python/build/temp.linux-x86_64-3.8 -ferror-limit 19 -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/pyrefcon/dbus-python/csa-scan/reports -x c ../../dbus_bindings/message-append.c

../../dbus_bindings/message-append.c

→
1/* D-Bus Message serialization. This contains all the logic to map from
2 * Python objects to D-Bus types.
3 *
4 * Copyright (C) 2006 Collabora Ltd. <http://www.collabora.co.uk/>
5 *
6 * SPDX-License-Identifier: MIT
7 *
8 * Permission is hereby granted, free of charge, to any person
9 * obtaining a copy of this software and associated documentation
10 * files (the "Software"), to deal in the Software without
11 * restriction, including without limitation the rights to use, copy,
12 * modify, merge, publish, distribute, sublicense, and/or sell copies
13 * of the Software, and to permit persons to whom the Software is
14 * furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 */
28
29#include "dbus_bindings-internal.h"
30
31#include <assert.h>
32
33#define DBG_IS_TOO_VERBOSE
34#include "compat-internal.h"
35#include "types-internal.h"
36#include "message-internal.h"
37
38/* Return the number of variants wrapping the given object. Return 0
39 * if the object is not a D-Bus type.
40 */
41static long
42get_variant_level(PyObject *obj)
43{
44 if (DBusPyString_Check(obj)) {
45 return ((DBusPyString *)obj)->variant_level;
46 }
47 else if (DBusPyFloatBase_Check(obj)) {
48 return ((DBusPyFloatBase *)obj)->variant_level;
49 }
50 else if (DBusPyArray_Check(obj)) {
51 return ((DBusPyArray *)obj)->variant_level;
52 }
53 else if (DBusPyDict_Check(obj)) {
54 return ((DBusPyDict *)obj)->variant_level;
55 }
56 else if (DBusPyLongBase_Check(obj) ||
57 DBusPyBytesBase_Check(obj) ||
58 DBusPyStrBase_Check(obj) ||
59 DBusPyStruct_Check(obj)) {
60 return dbus_py_variant_level_get(obj);
61 }
62 else {
63 return 0;
64 }
65}
66
67char dbus_py_Message_append__doc__[] = (
68"message.append(*args, **kwargs)\n"
69"\n"
70"Set the message's arguments from the positional parameter, according to\n"
71"the signature given by the ``signature`` keyword parameter.\n"
72"\n"
73"The following type conversions are supported:\n\n"
74"=============================== ===========================\n"
75"D-Bus (in signature) Python\n"
76"=============================== ===========================\n"
77"boolean (b) any object (via bool())\n"
78"byte (y) string of length 1\n"
79" any integer\n"
80"any integer type any integer\n"
81"double (d) any float\n"
82"object path anything with a __dbus_object_path__ attribute\n"
83"string, signature, object path str (must be UTF-8) or unicode\n"
84"dict (a{...}) any mapping\n"
85"array (a...) any iterable over appropriate objects\n"
86"struct ((...)) any iterable over appropriate objects\n"
87"variant any object above (guess type as below)\n"
88"=============================== ===========================\n"
89"\n"
90"Here 'any integer' means anything on which int() or long()\n"
91"(as appropriate) will work, except for basestring subclasses.\n"
92"'Any float' means anything on which float() will work, except\n"
93"for basestring subclasses.\n"
94"\n"
95"If there is no signature, guess from the arguments using\n"
96"the static method `Message.guess_signature`.\n"
97);
98
99char dbus_py_Message_guess_signature__doc__[] = (
100"guess_signature(*args) -> Signature [static method]\n\n"
101"Guess a D-Bus signature which should be used to encode the given\n"
102"Python objects.\n"
103"\n"
104"The signature is constructed as follows:\n\n"
105"+-------------------------------+---------------------------+\n"
106"|Python |D-Bus |\n"
107"+===============================+===========================+\n"
108"|D-Bus type, variant_level > 0 |variant (v) |\n"
109"+-------------------------------+---------------------------+\n"
110"|D-Bus type, variant_level == 0 |the corresponding type |\n"
111"+-------------------------------+---------------------------+\n"
112"|anything with a |object path |\n"
113"|__dbus_object_path__ attribute | |\n"
114"+-------------------------------+---------------------------+\n"
115"|bool |boolean (y) |\n"
116"+-------------------------------+---------------------------+\n"
117"|any other int subclass |int32 (i) |\n"
118"+-------------------------------+---------------------------+\n"
119"|any other long subclass |int64 (x) |\n"
120"+-------------------------------+---------------------------+\n"
121"|any other float subclass |double (d) |\n"
122"+-------------------------------+---------------------------+\n"
123"|any other str subclass |string (s) |\n"
124"+-------------------------------+---------------------------+\n"
125"|any other unicode subclass |string (s) |\n"
126"+-------------------------------+---------------------------+\n"
127"|any other tuple subclass |struct ((...)) |\n"
128"+-------------------------------+---------------------------+\n"
129"|any other list subclass |array (a...), guess |\n"
130"| |contents' type according to|\n"
131"| |type of first item |\n"
132"+-------------------------------+---------------------------+\n"
133"|any other dict subclass |dict (a{...}), guess key, |\n"
134"| |value type according to |\n"
135"| |types for an arbitrary item|\n"
136"+-------------------------------+---------------------------+\n"
137"|anything else |raise TypeError |\n"
138"+-------------------------------+---------------------------+\n"
139);
140
141/* return a new reference, possibly to None */
142static PyObject *
143get_object_path(PyObject *obj)
144{
145 PyObject *magic_attr = PyObject_GetAttr(obj, dbus_py__dbus_object_path__const);
146
147 if (magic_attr) {
148 if (PyUnicode_Check(magic_attr)((((((PyObject*)(magic_attr))->ob_type))->tp_flags &
((1UL << 28))) != 0) || PyBytes_Check(magic_attr)((((((PyObject*)(magic_attr))->ob_type))->tp_flags &
((1UL << 27))) != 0)) {
149 return magic_attr;
150 }
151 else {
152 Py_CLEAR(magic_attr)do { PyObject *_py_tmp = ((PyObject*)(magic_attr)); if (_py_tmp
!= ((void*)0)) { (magic_attr) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
153 PyErr_SetString(PyExc_TypeError, "__dbus_object_path__ must be "
154 "a string");
155 return NULL((void*)0);
156 }
157 }
158 else {
159 /* Ignore exceptions, except for SystemExit and KeyboardInterrupt */
160 if (PyErr_ExceptionMatches(PyExc_SystemExit) ||
161 PyErr_ExceptionMatches(PyExc_KeyboardInterrupt))
162 return NULL((void*)0);
163 PyErr_Clear();
164 Py_RETURN_NONEreturn _Py_INCREF(((PyObject*)((&_Py_NoneStruct)))), (&
_Py_NoneStruct);
165 }
166}
167
168/* Return a new reference. If the object is a variant and variant_level_ptr
169 * is not NULL, put the variant level in the variable pointed to, and
170 * return the contained type instead of "v". */
171static PyObject *
172_signature_string_from_pyobject(PyObject *obj, long *variant_level_ptr)
173{
174 PyObject *magic_attr;
175 long variant_level = get_variant_level(obj);
176
177 if (variant_level < 0)
1
Assuming 'variant_level' is >= 0
→
2
←
Taking false branch
→
178 return NULL((void*)0);
179
180 if (variant_level_ptr) {
3
←
Assuming 'variant_level_ptr' is null
→
4
←
Taking false branch
→
181 *variant_level_ptr = variant_level;
182 }
183 else if (variant_level > 0) {
5
←
Assuming 'variant_level' is <= 0
→
6
←
Taking false branch
→
184 return PyUnicode_FromString(DBUS_TYPE_VARIANT_AS_STRING"v");
185 }
186
187 if (obj == Py_True((PyObject *) &_Py_TrueStruct) || obj == Py_False((PyObject *) &_Py_FalseStruct)) {
7
←
Assuming the condition is false
→
8
←
Assuming the condition is false
→
9
←
Taking false branch
→
188 return PyUnicode_FromString(DBUS_TYPE_BOOLEAN_AS_STRING"b");
189 }
190
191 magic_attr = get_object_path(obj);
192 if (!magic_attr
9.1
'magic_attr' is non-null
9.1
'magic_attr' is non-null
)
10
←
Taking false branch
→
193 return NULL((void*)0);
194 if (magic_attr != Py_None(&_Py_NoneStruct)) {
11
←
Assuming the condition is false
→
12
←
Taking false branch
→
195 Py_CLEAR(magic_attr)do { PyObject *_py_tmp = ((PyObject*)(magic_attr)); if (_py_tmp
!= ((void*)0)) { (magic_attr) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
196 return PyUnicode_FromString(DBUS_TYPE_OBJECT_PATH_AS_STRING"o");
197 }
198 Py_CLEAR(magic_attr)do { PyObject *_py_tmp = ((PyObject*)(magic_attr)); if (_py_tmp
!= ((void*)0)) { (magic_attr) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
13
←
Taking true branch
→
14
←
Loop condition is false. Exiting loop
→
199
200 /* Ordering is important: some of these are subclasses of each other. */
201 if (PyLong_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 24))) != 0)) {
15
←
Assuming the condition is false
→
16
←
Taking false branch
→
202 if (DBusPyUInt64_Check(obj))
203 return PyUnicode_FromString(DBUS_TYPE_UINT64_AS_STRING"t");
204 else if (DBusPyInt64_Check(obj))
205 return PyUnicode_FromString(DBUS_TYPE_INT64_AS_STRING"x");
206 else if (DBusPyUInt32_Check(obj))
207 return PyUnicode_FromString(DBUS_TYPE_UINT32_AS_STRING"u");
208 else if (DBusPyInt32_Check(obj))
209 return PyUnicode_FromString(DBUS_TYPE_INT32_AS_STRING"i");
210 else if (DBusPyUInt16_Check(obj))
211 return PyUnicode_FromString(DBUS_TYPE_UINT16_AS_STRING"q");
212 else if (DBusPyInt16_Check(obj))
213 return PyUnicode_FromString(DBUS_TYPE_INT16_AS_STRING"n");
214 else if (DBusPyByte_Check(obj))
215 return PyUnicode_FromString(DBUS_TYPE_BYTE_AS_STRING"y");
216 else if (DBusPyBoolean_Check(obj))
217 return PyUnicode_FromString(DBUS_TYPE_BOOLEAN_AS_STRING"b");
218 else
219 return PyUnicode_FromString(DBUS_TYPE_INT32_AS_STRING"i");
220 }
221 else if (PyUnicode_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 28))) != 0)) {
17
←
Assuming the condition is false
→
18
←
Taking false branch
→
222 /* Object paths and signatures are unicode subtypes in Python 3
223 * (the first two cases will never be true in Python 2) */
224 if (DBusPyObjectPath_Check(obj))
225 return PyUnicode_FromString(DBUS_TYPE_OBJECT_PATH_AS_STRING"o");
226 else if (DBusPySignature_Check(obj))
227 return PyUnicode_FromString(DBUS_TYPE_SIGNATURE_AS_STRING"g");
228 else
229 return PyUnicode_FromString(DBUS_TYPE_STRING_AS_STRING"s");
230 }
231#if defined(DBUS_TYPE_UNIX_FD((int) 'h'))
232 else if (DBusPyUnixFd_Check(obj))
19
←
Assuming the condition is false
→
20
←
Taking false branch
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233 return PyUnicode_FromString(DBUS_TYPE_UNIX_FD_AS_STRING"h");
234#endif
235 else if (PyFloat_Check(obj)((((PyObject*)(obj))->ob_type) == (&PyFloat_Type) || PyType_IsSubtype
((((PyObject*)(obj))->ob_type), (&PyFloat_Type)))) {
21
←
Assuming the condition is false
→
22
←
Assuming the condition is false
→
23
←
Taking false branch
→
236#ifdef WITH_DBUS_FLOAT32
237 if (DBusPyDouble_Check(obj))
238 return PyUnicode_FromString(DBUS_TYPE_DOUBLE_AS_STRING"d");
239 else if (DBusPyFloat_Check(obj))
240 return PyUnicode_FromString(DBUS_TYPE_FLOAT_AS_STRING);
241 else
242#endif
243 return PyUnicode_FromString(DBUS_TYPE_DOUBLE_AS_STRING"d");
244 }
245 else if (PyBytes_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 27))) != 0)) {
24
←
Assuming the condition is false
→
25
←
Taking false branch
→
246 /* Object paths and signatures are bytes subtypes in Python 2
247 * (the first two cases will never be true in Python 3) */
248 if (DBusPyObjectPath_Check(obj))
249 return PyUnicode_FromString(DBUS_TYPE_OBJECT_PATH_AS_STRING"o");
250 else if (DBusPySignature_Check(obj))
251 return PyUnicode_FromString(DBUS_TYPE_SIGNATURE_AS_STRING"g");
252 else if (DBusPyByteArray_Check(obj))
253 return PyUnicode_FromString(DBUS_TYPE_ARRAY_AS_STRING"a"
254 DBUS_TYPE_BYTE_AS_STRING"y");
255 else
256 return PyUnicode_FromString(DBUS_TYPE_STRING_AS_STRING"s");
257 }
258 else if (PyTuple_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 26))) != 0)) {
26
←
Assuming the condition is false
→
27
←
Taking false branch
→
259 Py_ssize_t len = PyTuple_GET_SIZE(obj)(((PyVarObject*)(((PyTupleObject *)(obj))))->ob_size);
260 PyObject *list = PyList_New(len + 2); /* new ref */
261 PyObject *item; /* temporary new ref */
262 PyObject *empty_str; /* temporary new ref */
263 PyObject *ret;
264 Py_ssize_t i;
265
266 if (!list) return NULL((void*)0);
267 if (len == 0) {
268 PyErr_SetString(PyExc_ValueError, "D-Bus structs cannot be empty");
269 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
270 return NULL((void*)0);
271 }
272 /* Set the first and last elements of list to be the parentheses */
273 item = PyUnicode_FromString(DBUS_STRUCT_BEGIN_CHAR_AS_STRING"(");
274 if (PyList_SetItem(list, 0, item) < 0) {
275 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
276 return NULL((void*)0);
277 }
278 item = PyUnicode_FromString(DBUS_STRUCT_END_CHAR_AS_STRING")");
279 if (PyList_SetItem(list, len + 1, item) < 0) {
280 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
281 return NULL((void*)0);
282 }
283 if (!item || !PyList_GET_ITEM(list, 0)(((PyListObject *)(list))->ob_item[0])) {
284 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
285 return NULL((void*)0);
286 }
287 item = NULL((void*)0);
288
289 for (i = 0; i < len; i++) {
290 item = PyTuple_GetItem(obj, i);
291 if (!item) {
292 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
293 return NULL((void*)0);
294 }
295 item = _signature_string_from_pyobject(item, NULL((void*)0));
296 if (!item) {
297 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
298 return NULL((void*)0);
299 }
300 if (PyList_SetItem(list, i + 1, item) < 0) {
301 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
302 return NULL((void*)0);
303 }
304 item = NULL((void*)0);
305 }
306 empty_str = PyUnicode_FromString("");
307 if (!empty_str) {
308 /* really shouldn't happen */
309 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
310 return NULL((void*)0);
311 }
312 ret = PyObject_CallMethod_PyObject_CallMethod_SizeT(empty_str, "join", "(O)", list); /* new ref */
313 /* whether ret is NULL or not, */
314 Py_CLEAR(empty_str)do { PyObject *_py_tmp = ((PyObject*)(empty_str)); if (_py_tmp
!= ((void*)0)) { (empty_str) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
315 Py_CLEAR(list)do { PyObject *_py_tmp = ((PyObject*)(list)); if (_py_tmp != (
(void*)0)) { (list) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
316 return ret;
317 }
318 else if (PyList_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 25))) != 0)) {
28
←
Assuming the condition is true
→
29
←
Taking true branch
→
319 PyObject *tmp;
320 PyObject *ret = PyUnicode_FromString(DBUS_TYPE_ARRAY_AS_STRING"a");
30
←
Calling 'PyUnicode_FromString'
→
32
←
Returning from 'PyUnicode_FromString'
→
38
←
PyObject ownership leak with reference count of 1
321 if (!ret) return NULL((void*)0);
33
←
Assuming 'ret' is non-null
→
34
←
Taking false branch
→
322 if (DBusPyArray_Check(obj) &&
35
←
Assuming the condition is false
→
323 PyUnicode_Check(((DBusPyArray *)obj)->signature)((((((PyObject*)(((DBusPyArray *)obj)->signature))->ob_type
))->tp_flags & ((1UL << 28))) != 0))
324 {
325 PyObject *concat = PyUnicode_Concat(
326 ret, ((DBusPyArray *)obj)->signature);
327 Py_CLEAR(ret)do { PyObject *_py_tmp = ((PyObject*)(ret)); if (_py_tmp != (
(void*)0)) { (ret) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
328 return concat;
329 }
330 if (PyList_GET_SIZE(obj)((((PyVarObject*)(obj))->ob_size)) == 0) {
36
←
Assuming field 'ob_size' is equal to 0
→
37
←
Taking true branch
→
331 /* No items, so fail. Or should we guess "av"? */
332 PyErr_SetString(PyExc_ValueError, "Unable to guess signature "
333 "from an empty list");
334 return NULL((void*)0);
335 }
336 tmp = PyList_GetItem(obj, 0);
337 tmp = _signature_string_from_pyobject(tmp, NULL((void*)0));
338 if (!tmp) return NULL((void*)0);
339 {
340 PyObject *concat = PyUnicode_Concat(ret, tmp);
341 Py_CLEAR(ret)do { PyObject *_py_tmp = ((PyObject*)(ret)); if (_py_tmp != (
(void*)0)) { (ret) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
342 Py_CLEAR(tmp)do { PyObject *_py_tmp = ((PyObject*)(tmp)); if (_py_tmp != (
(void*)0)) { (tmp) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
343 return concat;
344 }
345 }
346 else if (PyDict_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 29))) != 0)) {
347 PyObject *key, *value, *keysig, *valuesig;
348 Py_ssize_t pos = 0;
349 PyObject *ret = NULL((void*)0);
350
351 if (DBusPyDict_Check(obj) &&
352 PyUnicode_Check(((DBusPyDict *)obj)->signature)((((((PyObject*)(((DBusPyDict *)obj)->signature))->ob_type
))->tp_flags & ((1UL << 28))) != 0))
353 {
354 return PyUnicode_FromFormat((DBUS_TYPE_ARRAY_AS_STRING"a"
355 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING"{"
356 "%U"
357 DBUS_DICT_ENTRY_END_CHAR_AS_STRING"}"),
358 ((DBusPyDict *)obj)->signature);
359 }
360 if (!PyDict_Next(obj, &pos, &key, &value)) {
361 /* No items, so fail. Or should we guess "a{vv}"? */
362 PyErr_SetString(PyExc_ValueError, "Unable to guess signature "
363 "from an empty dict");
364 return NULL((void*)0);
365 }
366 keysig = _signature_string_from_pyobject(key, NULL((void*)0));
367 valuesig = _signature_string_from_pyobject(value, NULL((void*)0));
368 if (keysig && valuesig) {
369 ret = PyUnicode_FromFormat((DBUS_TYPE_ARRAY_AS_STRING"a"
370 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING"{"
371 "%U%U"
372 DBUS_DICT_ENTRY_END_CHAR_AS_STRING"}"),
373 keysig, valuesig);
374 }
375 Py_CLEAR(keysig)do { PyObject *_py_tmp = ((PyObject*)(keysig)); if (_py_tmp !=
((void*)0)) { (keysig) = ((void*)0); _Py_DECREF(((PyObject*)
(_py_tmp))); } } while (0);
376 Py_CLEAR(valuesig)do { PyObject *_py_tmp = ((PyObject*)(valuesig)); if (_py_tmp
!= ((void*)0)) { (valuesig) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
377 return ret;
378 }
379 else {
380 PyErr_Format(PyExc_TypeError, "Don't know which D-Bus type "
381 "to use to encode type \"%s\"",
382 Py_TYPE(obj)(((PyObject*)(obj))->ob_type)->tp_name);
383 return NULL((void*)0);
384 }
385}
386
387PyObject *
388dbus_py_Message_guess_signature(PyObject *unused UNUSED__attribute__((__unused__)), PyObject *args)
389{
390 PyObject *tmp, *ret = NULL((void*)0);
391
392 if (!args) {
393 if (!PyErr_Occurred()) {
394 PyErr_BadInternalCall()_PyErr_BadInternalCall("../../dbus_bindings/message-append.c"
, 394);
395 }
396 return NULL((void*)0);
397 }
398
399#ifdef USING_DBG
400 fprintf(stderrstderr, "DBG/%ld: called Message_guess_signature", (long)getpid());
401 PyObject_Print(args, stderrstderr, 0);
402 fprintf(stderrstderr, "\n");
403#endif
404
405 if (!PyTuple_Check(args)((((((PyObject*)(args))->ob_type))->tp_flags & ((1UL
<< 26))) != 0)) {
406 DBG("%s", "Message_guess_signature: args not a tuple")do {} while (0);
407 PyErr_BadInternalCall()_PyErr_BadInternalCall("../../dbus_bindings/message-append.c"
, 407);
408 return NULL((void*)0);
409 }
410
411 /* if there were no args, easy */
412 if (PyTuple_GET_SIZE(args)(((PyVarObject*)(((PyTupleObject *)(args))))->ob_size) == 0) {
413 DBG("%s", "Message_guess_signature: no args, so return Signature('')")do {} while (0);
414 return PyObject_CallFunction_PyObject_CallFunction_SizeT((PyObject *)&DBusPySignature_Type, "(s)", "");
415 }
416
417 /* if there were args, the signature we want is, by construction,
418 * exactly the signature we get for the tuple args, except that we don't
419 * want the parentheses. */
420 tmp = _signature_string_from_pyobject(args, NULL((void*)0));
421 if (!tmp) {
422 DBG("%s", "Message_guess_signature: failed")do {} while (0);
423 return NULL((void*)0);
424 }
425 if (PyUnicode_Check(tmp)((((((PyObject*)(tmp))->ob_type))->tp_flags & ((1UL
<< 28))) != 0)) {
426 PyObject *as_bytes = PyUnicode_AsUTF8String(tmp);
427 Py_CLEAR(tmp)do { PyObject *_py_tmp = ((PyObject*)(tmp)); if (_py_tmp != (
(void*)0)) { (tmp) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
428 if (!as_bytes)
429 return NULL((void*)0);
430 if (PyBytes_GET_SIZE(as_bytes)((((PyVarObject*)(as_bytes))->ob_size)) < 2) {
431 PyErr_SetString(PyExc_RuntimeError, "Internal error: "
432 "_signature_string_from_pyobject returned "
433 "a bad result");
434 Py_CLEAR(as_bytes)do { PyObject *_py_tmp = ((PyObject*)(as_bytes)); if (_py_tmp
!= ((void*)0)) { (as_bytes) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
435 return NULL((void*)0);
436 }
437 tmp = as_bytes;
438 }
439 if (!PyBytes_Check(tmp)((((((PyObject*)(tmp))->ob_type))->tp_flags & ((1UL
<< 27))) != 0) || PyBytes_GET_SIZE(tmp)((((PyVarObject*)(tmp))->ob_size)) < 2) {
440 PyErr_SetString(PyExc_RuntimeError, "Internal error: "
441 "_signature_string_from_pyobject returned "
442 "a bad result");
443 Py_CLEAR(tmp)do { PyObject *_py_tmp = ((PyObject*)(tmp)); if (_py_tmp != (
(void*)0)) { (tmp) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
444 return NULL((void*)0);
445 }
446 ret = PyObject_CallFunction_PyObject_CallFunction_SizeT((PyObject *)&DBusPySignature_Type, "(s#)",
447 PyBytes_AS_STRING(tmp)((((PyBytesObject *)(tmp))->ob_sval)) + 1,
448 PyBytes_GET_SIZE(tmp)((((PyVarObject*)(tmp))->ob_size)) - 2);
449 Py_CLEAR(tmp)do { PyObject *_py_tmp = ((PyObject*)(tmp)); if (_py_tmp != (
(void*)0)) { (tmp) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
450 return ret;
451}
452
453static int _message_iter_append_pyobject(DBusMessageIter *appender,
454 DBusSignatureIter *sig_iter,
455 PyObject *obj,
456 dbus_bool_t *more);
457static int _message_iter_append_variant(DBusMessageIter *appender,
458 PyObject *obj);
459
460static int
461_message_iter_append_string(DBusMessageIter *appender,
462 int sig_type, PyObject *obj,
463 dbus_bool_t allow_object_path_attr)
464{
465 char *s;
466 PyObject *utf8;
467
468 if (sig_type == DBUS_TYPE_OBJECT_PATH((int) 'o') && allow_object_path_attr) {
469 PyObject *object_path = get_object_path (obj);
470
471 if (object_path == Py_None(&_Py_NoneStruct)) {
472 Py_CLEAR(object_path)do { PyObject *_py_tmp = ((PyObject*)(object_path)); if (_py_tmp
!= ((void*)0)) { (object_path) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
473 }
474 else if (!object_path) {
475 return -1;
476 }
477 else {
478 int ret = _message_iter_append_string(appender, sig_type,
479 object_path, FALSE0);
480 Py_CLEAR(object_path)do { PyObject *_py_tmp = ((PyObject*)(object_path)); if (_py_tmp
!= ((void*)0)) { (object_path) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
481 return ret;
482 }
483 }
484
485 if (PyBytes_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 27))) != 0)) {
486 utf8 = obj;
487 Py_INCREF(obj)_Py_INCREF(((PyObject*)(obj)));
488 }
489 else if (PyUnicode_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 28))) != 0)) {
490 utf8 = PyUnicode_AsUTF8String(obj);
491 if (!utf8) return -1;
492 }
493 else {
494 PyErr_SetString(PyExc_TypeError,
495 "Expected a string or unicode object");
496 return -1;
497 }
498
499 /* Raise TypeError if the string has embedded NULs */
500 if (PyBytes_AsStringAndSize(utf8, &s, NULL((void*)0)) < 0)
501 return -1;
502
503 /* Validate UTF-8, strictly */
504 if (!dbus_validate_utf8(s, NULL((void*)0))) {
505 PyErr_SetString(PyExc_UnicodeError, "String parameters "
506 "to be sent over D-Bus must be valid UTF-8 "
507 "with no noncharacter code points");
508 return -1;
509 }
510
511 DBG("Performing actual append: string (from unicode) %s", s)do {} while (0);
512 if (!dbus_message_iter_append_basic(appender, sig_type, &s)) {
513 Py_CLEAR(utf8)do { PyObject *_py_tmp = ((PyObject*)(utf8)); if (_py_tmp != (
(void*)0)) { (utf8) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
514 PyErr_NoMemory();
515 return -1;
516 }
517
518 Py_CLEAR(utf8)do { PyObject *_py_tmp = ((PyObject*)(utf8)); if (_py_tmp != (
(void*)0)) { (utf8) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
519 return 0;
520}
521
522static int
523_message_iter_append_byte(DBusMessageIter *appender, PyObject *obj)
524{
525 unsigned char y;
526
527 if (PyBytes_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 27))) != 0)) {
528 if (PyBytes_GET_SIZE(obj)((((PyVarObject*)(obj))->ob_size)) != 1) {
529 PyErr_Format(PyExc_ValueError,
530 "Expected a length-1 bytes but found %d bytes",
531 (int)PyBytes_GET_SIZE(obj)((((PyVarObject*)(obj))->ob_size)));
532 return -1;
533 }
534 y = *(unsigned char *)PyBytes_AS_STRING(obj)((((PyBytesObject *)(obj))->ob_sval));
535 }
536 else {
537 /* on Python 2 this accepts either int or long */
538 long i = PyLong_AsLong(obj);
539
540 if (i == -1 && PyErr_Occurred()) return -1;
541 if (i < 0 || i > 0xff) {
542 PyErr_Format(PyExc_ValueError,
543 "%d outside range for a byte value",
544 (int)i);
545 return -1;
546 }
547 y = i;
548 }
549 DBG("Performing actual append: byte \\x%02x", (unsigned)y)do {} while (0);
550 if (!dbus_message_iter_append_basic(appender, DBUS_TYPE_BYTE((int) 'y'), &y)) {
551 PyErr_NoMemory();
552 return -1;
553 }
554 return 0;
555}
556
557static dbus_bool_t
558dbuspy_message_iter_close_container(DBusMessageIter *iter,
559 DBusMessageIter *sub,
560 dbus_bool_t is_ok)
561{
562 if (!is_ok) {
563 dbus_message_iter_abandon_container(iter, sub);
564 return TRUE1;
565 }
566 return dbus_message_iter_close_container(iter, sub);
567}
568
569#if defined(DBUS_TYPE_UNIX_FD((int) 'h'))
570static int
571_message_iter_append_unixfd(DBusMessageIter *appender, PyObject *obj)
572{
573 int fd;
574 long original_fd;
575
576 if (PyLong_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 24))) != 0))
577 {
578 /* on Python 2 this accepts either int or long */
579 original_fd = PyLong_AsLong(obj);
580 if (original_fd == -1 && PyErr_Occurred())
581 return -1;
582 if (original_fd < INT_MIN(-2147483647 -1) || original_fd > INT_MAX2147483647) {
583 PyErr_Format(PyExc_ValueError, "out of int range: %ld",
584 original_fd);
585 return -1;
586 }
587 fd = (int)original_fd;
588 }
589 else if (PyObject_IsInstance(obj, (PyObject*) &DBusPyUnixFd_Type)) {
590 fd = dbus_py_unix_fd_get_fd(obj);
591 }
592 else {
593 return -1;
594 }
595
596 DBG("Performing actual append: fd %d", fd)do {} while (0);
597 if (!dbus_message_iter_append_basic(appender, DBUS_TYPE_UNIX_FD((int) 'h'), &fd)) {
598 PyErr_NoMemory();
599 return -1;
600 }
601 return 0;
602}
603#endif
604
605static int
606_message_iter_append_dictentry(DBusMessageIter *appender,
607 DBusSignatureIter *sig_iter,
608 PyObject *dict, PyObject *key)
609{
610 DBusSignatureIter sub_sig_iter;
611 DBusMessageIter sub;
612 int ret = -1;
613 PyObject *value = PyObject_GetItem(dict, key);
614 dbus_bool_t more;
615
616 if (!value) return -1;
617
618#ifdef USING_DBG
619 fprintf(stderrstderr, "Append dictentry: ");
620 PyObject_Print(key, stderrstderr, 0);
621 fprintf(stderrstderr, " => ");
622 PyObject_Print(value, stderrstderr, 0);
623 fprintf(stderrstderr, "\n");
624#endif
625
626 DBG("Recursing signature iterator %p -> %p", sig_iter, &sub_sig_iter)do {} while (0);
627 dbus_signature_iter_recurse(sig_iter, &sub_sig_iter);
628#ifdef USING_DBG
629 {
630 char *s;
631 s = dbus_signature_iter_get_signature(sig_iter);
632 DBG("Signature of parent iterator %p is %s", sig_iter, s)do {} while (0);
633 dbus_free(s);
634 s = dbus_signature_iter_get_signature(&sub_sig_iter);
635 DBG("Signature of sub-iterator %p is %s", &sub_sig_iter, s)do {} while (0);
636 dbus_free(s);
637 }
638#endif
639
640 DBG("%s", "Opening DICT_ENTRY container")do {} while (0);
641 if (!dbus_message_iter_open_container(appender, DBUS_TYPE_DICT_ENTRY((int) 'e'),
642 NULL((void*)0), &sub)) {
643 PyErr_NoMemory();
644 goto out;
645 }
646 ret = _message_iter_append_pyobject(&sub, &sub_sig_iter, key, &more);
647 if (ret == 0) {
648 ret = _message_iter_append_pyobject(&sub, &sub_sig_iter, value, &more);
649 }
650 DBG("%s", "Closing DICT_ENTRY container")do {} while (0);
651 if (!dbuspy_message_iter_close_container(appender, &sub, (ret == 0))) {
652 PyErr_NoMemory();
653 ret = -1;
654 }
655out:
656 Py_CLEAR(value)do { PyObject *_py_tmp = ((PyObject*)(value)); if (_py_tmp !=
((void*)0)) { (value) = ((void*)0); _Py_DECREF(((PyObject*)(
_py_tmp))); } } while (0);
657 return ret;
658}
659
660static int
661_message_iter_append_multi(DBusMessageIter *appender,
662 const DBusSignatureIter *sig_iter,
663 int mode, PyObject *obj)
664{
665 DBusMessageIter sub_appender;
666 DBusSignatureIter sub_sig_iter;
667 PyObject *contents;
668 int ret;
669 PyObject *iterator = PyObject_GetIter(obj);
670 char *sig = NULL((void*)0);
671 int container = mode;
672 dbus_bool_t is_byte_array = DBusPyByteArray_Check(obj);
673 int inner_type;
674 dbus_bool_t more;
675
676 assert(mode == DBUS_TYPE_DICT_ENTRY || mode == DBUS_TYPE_ARRAY ||((void) sizeof ((mode == ((int) 'e') || mode == ((int) 'a') ||
mode == ((int) 'r')) ? 1 : 0), __extension__ ({ if (mode == (
(int) 'e') || mode == ((int) 'a') || mode == ((int) 'r')) ; else
__assert_fail ("mode == DBUS_TYPE_DICT_ENTRY || mode == DBUS_TYPE_ARRAY || mode == DBUS_TYPE_STRUCT"
, "../../dbus_bindings/message-append.c", 677, __extension__ __PRETTY_FUNCTION__
); }))
677 mode == DBUS_TYPE_STRUCT)((void) sizeof ((mode == ((int) 'e') || mode == ((int) 'a') ||
mode == ((int) 'r')) ? 1 : 0), __extension__ ({ if (mode == (
(int) 'e') || mode == ((int) 'a') || mode == ((int) 'r')) ; else
__assert_fail ("mode == DBUS_TYPE_DICT_ENTRY || mode == DBUS_TYPE_ARRAY || mode == DBUS_TYPE_STRUCT"
, "../../dbus_bindings/message-append.c", 677, __extension__ __PRETTY_FUNCTION__
); }));
678
679#ifdef USING_DBG
680 fprintf(stderrstderr, "Appending multiple: ");
681 PyObject_Print(obj, stderrstderr, 0);
682 fprintf(stderrstderr, "\n");
683#endif
684
685 if (!iterator) return -1;
686 if (mode == DBUS_TYPE_DICT_ENTRY((int) 'e')) container = DBUS_TYPE_ARRAY((int) 'a');
687
688 DBG("Recursing signature iterator %p -> %p", sig_iter, &sub_sig_iter)do {} while (0);
689 dbus_signature_iter_recurse(sig_iter, &sub_sig_iter);
690#ifdef USING_DBG
691 {
692 char *s;
693 s = dbus_signature_iter_get_signature(sig_iter);
694 DBG("Signature of parent iterator %p is %s", sig_iter, s)do {} while (0);
695 dbus_free(s);
696 s = dbus_signature_iter_get_signature(&sub_sig_iter);
697 DBG("Signature of sub-iterator %p is %s", &sub_sig_iter, s)do {} while (0);
698 dbus_free(s);
699 }
700#endif
701 inner_type = dbus_signature_iter_get_current_type(&sub_sig_iter);
702
703 if (mode == DBUS_TYPE_ARRAY((int) 'a') || mode == DBUS_TYPE_DICT_ENTRY((int) 'e')) {
704 sig = dbus_signature_iter_get_signature(&sub_sig_iter);
705 if (!sig) {
706 PyErr_NoMemory();
707 ret = -1;
708 goto out;
709 }
710 }
711 /* else leave sig set to NULL. */
712
713 DBG("Opening '%c' container", container)do {} while (0);
714 if (!dbus_message_iter_open_container(appender, container,
715 sig, &sub_appender)) {
716 PyErr_NoMemory();
717 ret = -1;
718 goto out;
719 }
720 ret = 0;
721 more = TRUE1;
722 while ((contents = PyIter_Next(iterator))) {
723
724 if (mode == DBUS_TYPE_ARRAY((int) 'a') || mode == DBUS_TYPE_DICT_ENTRY((int) 'e')) {
725 DBG("Recursing signature iterator %p -> %p", sig_iter, &sub_sig_iter)do {} while (0);
726 dbus_signature_iter_recurse(sig_iter, &sub_sig_iter);
727#ifdef USING_DBG
728 {
729 char *s;
730 s = dbus_signature_iter_get_signature(sig_iter);
731 DBG("Signature of parent iterator %p is %s", sig_iter, s)do {} while (0);
732 dbus_free(s);
733 s = dbus_signature_iter_get_signature(&sub_sig_iter);
734 DBG("Signature of sub-iterator %p is %s", &sub_sig_iter, s)do {} while (0);
735 dbus_free(s);
736 }
737#endif
738 }
739 else /* struct */ {
740 if (!more) {
741 PyErr_Format(PyExc_TypeError, "Fewer items found in struct's "
742 "D-Bus signature than in Python arguments ");
743 ret = -1;
744 break;
745 }
746 }
747
748 if (mode == DBUS_TYPE_DICT_ENTRY((int) 'e')) {
749 ret = _message_iter_append_dictentry(&sub_appender, &sub_sig_iter,
750 obj, contents);
751 }
752 else if (mode == DBUS_TYPE_ARRAY((int) 'a') && is_byte_array
753 && inner_type == DBUS_TYPE_VARIANT((int) 'v')) {
754 /* Subscripting a ByteArray gives a str of length 1, but if the
755 * container is a ByteArray and the parameter is an array of
756 * variants, we want to produce an array of variants containing
757 * bytes, not strings.
758 */
759 PyObject *args = Py_BuildValue_Py_BuildValue_SizeT("(O)", contents);
760 PyObject *byte;
761
762 if (!args)
763 break;
764 byte = PyObject_Call((PyObject *)&DBusPyByte_Type, args, NULL((void*)0));
765 Py_CLEAR(args)do { PyObject *_py_tmp = ((PyObject*)(args)); if (_py_tmp != (
(void*)0)) { (args) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
766 if (!byte)
767 break;
768 ret = _message_iter_append_variant(&sub_appender, byte);
769 Py_CLEAR(byte)do { PyObject *_py_tmp = ((PyObject*)(byte)); if (_py_tmp != (
(void*)0)) { (byte) = ((void*)0); _Py_DECREF(((PyObject*)(_py_tmp
))); } } while (0);
770 }
771 else {
772 /* advances sub_sig_iter and sets more on success - for array
773 * this doesn't matter, for struct it's essential */
774 ret = _message_iter_append_pyobject(&sub_appender, &sub_sig_iter,
775 contents, &more);
776 }
777
778 Py_CLEAR(contents)do { PyObject *_py_tmp = ((PyObject*)(contents)); if (_py_tmp
!= ((void*)0)) { (contents) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
779 if (ret < 0) {
780 break;
781 }
782 }
783
784 if (PyErr_Occurred()) {
785 ret = -1;
786 }
787 else if (mode == DBUS_TYPE_STRUCT((int) 'r') && more) {
788 PyErr_Format(PyExc_TypeError, "More items found in struct's D-Bus "
789 "signature than in Python arguments ");
790 ret = -1;
791 }
792
793 /* This must be run as cleanup, even on failure. */
794 DBG("Closing '%c' container", container)do {} while (0);
795 if (!dbuspy_message_iter_close_container(appender, &sub_appender, (ret == 0))) {
796 PyErr_NoMemory();
797 ret = -1;
798 }
799
800out:
801 Py_CLEAR(iterator)do { PyObject *_py_tmp = ((PyObject*)(iterator)); if (_py_tmp
!= ((void*)0)) { (iterator) = ((void*)0); _Py_DECREF(((PyObject
*)(_py_tmp))); } } while (0);
802 dbus_free(sig);
803 return ret;
804}
805
806static int
807_message_iter_append_string_as_byte_array(DBusMessageIter *appender,
808 PyObject *obj)
809{
810 /* a bit of a faster path for byte arrays that are strings */
811 Py_ssize_t len = PyBytes_GET_SIZE(obj)((((PyVarObject*)(obj))->ob_size));
812 const char *s;
813 DBusMessageIter sub;
814 int ret;
815
816 s = PyBytes_AS_STRING(obj)((((PyBytesObject *)(obj))->ob_sval));
817 DBG("%s", "Opening ARRAY container")do {} while (0);
818 if (!dbus_message_iter_open_container(appender, DBUS_TYPE_ARRAY((int) 'a'),
819 DBUS_TYPE_BYTE_AS_STRING"y", &sub)) {
820 PyErr_NoMemory();
821 return -1;
822 }
823 DBG("Appending fixed array of %d bytes", (int)len)do {} while (0);
824 if (dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE((int) 'y'), &s, len)) {
825 ret = 0;
826 }
827 else {
828 PyErr_NoMemory();
829 ret = -1;
830 }
831 DBG("%s", "Closing ARRAY container")do {} while (0);
832 if (!dbus_message_iter_close_container(appender, &sub)) {
833 PyErr_NoMemory();
834 return -1;
835 }
836 return ret;
837}
838
839/* Encode some Python object into a D-Bus variant slot. */
840static int
841_message_iter_append_variant(DBusMessageIter *appender, PyObject *obj)
842{
843 DBusSignatureIter obj_sig_iter;
844 const char *obj_sig_str;
845 PyObject *obj_sig;
846 int ret;
847 long variant_level;
848 dbus_bool_t dummy;
849 DBusMessageIter *variant_iters = NULL((void*)0);
850
851 /* Separate the object into the contained object, and the number of
852 * variants it's wrapped in. */
853 obj_sig = _signature_string_from_pyobject(obj, &variant_level);
854 if (!obj_sig) return -1;
855
856 if (PyUnicode_Check(obj_sig)((((((PyObject*)(obj_sig))->ob_type))->tp_flags & (
(1UL << 28))) != 0)) {
857 PyObject *obj_sig_as_bytes = PyUnicode_AsUTF8String(obj_sig);
858 Py_CLEAR(obj_sig)do { PyObject *_py_tmp = ((PyObject*)(obj_sig)); if (_py_tmp !=
((void*)0)) { (obj_sig) = ((void*)0); _Py_DECREF(((PyObject*
)(_py_tmp))); } } while (0);
859 if (!obj_sig_as_bytes)
860 return -1;
861 obj_sig = obj_sig_as_bytes;
862 }
863 obj_sig_str = PyBytes_AsString(obj_sig);
864 if (!obj_sig_str) {
865 Py_CLEAR(obj_sig)do { PyObject *_py_tmp = ((PyObject*)(obj_sig)); if (_py_tmp !=
((void*)0)) { (obj_sig) = ((void*)0); _Py_DECREF(((PyObject*
)(_py_tmp))); } } while (0);
866 return -1;
867 }
868
869 if (variant_level < 1) {
870 variant_level = 1;
871 }
872
873 dbus_signature_iter_init(&obj_sig_iter, obj_sig_str);
874
875 {
876 long i;
877
878 variant_iters = calloc (variant_level, sizeof (DBusMessageIter));
879
880 if (!variant_iters) {
881 PyErr_NoMemory();
882 ret = -1;
883 goto out;
884 }
885
886 for (i = 0; i < variant_level; i++) {
887 DBusMessageIter *child = &variant_iters[i];
888 /* The first is a special case: its parent is the iter passed in
889 * to this function, instead of being the previous one in the
890 * stack
891 */
892 DBusMessageIter *parent = (i == 0
893 ? appender
894 : &(variant_iters[i-1]));
895 /* The last is also a special case: it contains the actual
896 * object, rather than another variant
897 */
898 const char *sig_str = (i == variant_level-1
899 ? obj_sig_str
900 : DBUS_TYPE_VARIANT_AS_STRING"v");
901
902 DBG("Opening VARIANT container %p inside %p containing '%s'",do {} while (0)
903 child, parent, sig_str)do {} while (0);
904 if (!dbus_message_iter_open_container(parent, DBUS_TYPE_VARIANT((int) 'v'),
905 sig_str, child)) {
906 PyErr_NoMemory();
907 ret = -1;
908 goto out;
909 }
910 }
911
912 /* Put the object itself into the innermost variant */
913 ret = _message_iter_append_pyobject(&variant_iters[variant_level-1],
914 &obj_sig_iter, obj, &dummy);
915
916 /* here we rely on i (and variant_level) being a signed long */
917 for (i = variant_level - 1; i >= 0; i--) {
918 DBusMessageIter *child = &variant_iters[i];
919 /* The first is a special case: its parent is the iter passed in
920 * to this function, instead of being the previous one in the
921 * stack
922 */
923 DBusMessageIter *parent = (i == 0 ? appender
924 : &(variant_iters[i-1]));
925
926 DBG("Closing VARIANT container %p inside %p", child, parent)do {} while (0);
927 if (!dbus_message_iter_close_container(parent, child)) {
928 PyErr_NoMemory();
929 ret = -1;
930 goto out;
931 }
932 }
933 }
934
935out:
936 if (variant_iters != NULL((void*)0))
937 free (variant_iters);
938
939 Py_CLEAR(obj_sig)do { PyObject *_py_tmp = ((PyObject*)(obj_sig)); if (_py_tmp !=
((void*)0)) { (obj_sig) = ((void*)0); _Py_DECREF(((PyObject*
)(_py_tmp))); } } while (0);
940 return ret;
941}
942
943/* On success, *more is set to whether there's more in the signature. */
944static int
945_message_iter_append_pyobject(DBusMessageIter *appender,
946 DBusSignatureIter *sig_iter,
947 PyObject *obj,
948 dbus_bool_t *more)
949{
950 int sig_type = dbus_signature_iter_get_current_type(sig_iter);
951 DBusBasicValue u;
952 int ret = -1;
953
954#ifdef USING_DBG
955 fprintf(stderrstderr, "Appending object at %p: ", obj);
956 PyObject_Print(obj, stderrstderr, 0);
957 fprintf(stderrstderr, " into appender at %p, dbus wants type %c\n",
958 appender, sig_type);
959#endif
960
961 switch (sig_type) {
962 /* The numeric types are relatively simple to deal with, so are
963 * inlined here. */
964
965 case DBUS_TYPE_BOOLEAN((int) 'b'):
966 if (PyObject_IsTrue(obj)) {
967 u.bool_val = 1;
968 }
969 else {
970 u.bool_val = 0;
971 }
972 DBG("Performing actual append: bool(%ld)", (long)u.bool_val)do {} while (0);
973 if (!dbus_message_iter_append_basic(appender, sig_type, &u.bool_val)) {
974 PyErr_NoMemory();
975 ret = -1;
976 break;
977 }
978 ret = 0;
979 break;
980
981 case DBUS_TYPE_DOUBLE((int) 'd'):
982 u.dbl = PyFloat_AsDouble(obj);
983 if (PyErr_Occurred()) {
984 ret = -1;
985 break;
986 }
987 DBG("Performing actual append: double(%f)", u.dbl)do {} while (0);
988 if (!dbus_message_iter_append_basic(appender, sig_type, &u.dbl)) {
989 PyErr_NoMemory();
990 ret = -1;
991 break;
992 }
993 ret = 0;
994 break;
995
996#ifdef WITH_DBUS_FLOAT32
997 case DBUS_TYPE_FLOAT:
998 u.dbl = PyFloat_AsDouble(obj);
999 if (PyErr_Occurred()) {
1000 ret = -1;
1001 break;
1002 }
1003 /* FIXME: DBusBasicValue will need to grow a float member if
1004 * float32 becomes supported */
1005 u.f = (float)u.dbl;
1006 DBG("Performing actual append: float(%f)", u.f)do {} while (0);
1007 if (!dbus_message_iter_append_basic(appender, sig_type, &u.f)) {
1008 PyErr_NoMemory();
1009 ret = -1;
1010 break;
1011 }
1012 ret = 0;
1013 break;
1014#endif
1015
1016 /* The integer types are all basically the same - we delegate to
1017 intNN_range_check() */
1018#define PROCESS_INTEGER(size, member) \
1019 u.member = dbus_py_##size##_range_check(obj);\
1020 if (u.member == (dbus_##size##_t)(-1) && PyErr_Occurred()) {\
1021 ret = -1; \
1022 break; \
1023 }\
1024 DBG("Performing actual append: " #size "(%lld)", (long long)u.member)do {} while (0); \
1025 if (!dbus_message_iter_append_basic(appender, sig_type, &u.member)) {\
1026 PyErr_NoMemory();\
1027 ret = -1;\
1028 break;\
1029 } \
1030 ret = 0;
1031
1032 case DBUS_TYPE_INT16((int) 'n'):
1033 PROCESS_INTEGER(int16, i16)
1034 break;
1035 case DBUS_TYPE_UINT16((int) 'q'):
1036 PROCESS_INTEGER(uint16, u16)
1037 break;
1038 case DBUS_TYPE_INT32((int) 'i'):
1039 PROCESS_INTEGER(int32, i32)
1040 break;
1041 case DBUS_TYPE_UINT32((int) 'u'):
1042 PROCESS_INTEGER(uint32, u32)
1043 break;
1044#if defined(DBUS_HAVE_INT641) && defined(HAVE_LONG_LONG1)
1045 case DBUS_TYPE_INT64((int) 'x'):
1046 PROCESS_INTEGER(int64, i64)
1047 break;
1048 case DBUS_TYPE_UINT64((int) 't'):
1049 PROCESS_INTEGER(uint64, u64)
1050 break;
1051#else
1052 case DBUS_TYPE_INT64((int) 'x'):
1053 case DBUS_TYPE_UINT64((int) 't'):
1054 PyErr_SetString(PyExc_NotImplementedError, "64-bit integer "
1055 "types are not supported on this platform");
1056 ret = -1;
1057 break;
1058#endif
1059#undef PROCESS_INTEGER
1060
1061 /* Now the more complicated cases, which are delegated to helper
1062 * functions (although in practice, the compiler will hopefully
1063 * inline them anyway). */
1064
1065 case DBUS_TYPE_STRING((int) 's'):
1066 case DBUS_TYPE_SIGNATURE((int) 'g'):
1067 case DBUS_TYPE_OBJECT_PATH((int) 'o'):
1068 ret = _message_iter_append_string(appender, sig_type, obj, TRUE1);
1069 break;
1070
1071 case DBUS_TYPE_BYTE((int) 'y'):
1072 ret = _message_iter_append_byte(appender, obj);
1073 break;
1074
1075 case DBUS_TYPE_ARRAY((int) 'a'):
1076 /* 3 cases - it might actually be a dict, or it might be a byte array
1077 * being copied from a string (for which we have a faster path),
1078 * or it might be a generic array. */
1079
1080 sig_type = dbus_signature_iter_get_element_type(sig_iter);
1081 if (sig_type == DBUS_TYPE_DICT_ENTRY((int) 'e'))
1082 ret = _message_iter_append_multi(appender, sig_iter,
1083 DBUS_TYPE_DICT_ENTRY((int) 'e'), obj);
1084 else if (sig_type == DBUS_TYPE_BYTE((int) 'y') && PyBytes_Check(obj)((((((PyObject*)(obj))->ob_type))->tp_flags & ((1UL
<< 27))) != 0))
1085 ret = _message_iter_append_string_as_byte_array(appender, obj);
1086 else
1087 ret = _message_iter_append_multi(appender, sig_iter,
1088 DBUS_TYPE_ARRAY((int) 'a'), obj);
1089 DBG("_message_iter_append_multi(): %d", ret)do {} while (0);
1090 break;
1091
1092 case DBUS_TYPE_STRUCT((int) 'r'):
1093 ret = _message_iter_append_multi(appender, sig_iter, sig_type, obj);
1094 break;
1095
1096 case DBUS_TYPE_VARIANT((int) 'v'):
1097 ret = _message_iter_append_variant(appender, obj);
1098 break;
1099
1100 case DBUS_TYPE_INVALID((int) '\0'):
1101 PyErr_SetString(PyExc_TypeError, "Fewer items found in D-Bus "
1102 "signature than in Python arguments");
1103 ret = -1;
1104 break;
1105
1106#if defined(DBUS_TYPE_UNIX_FD((int) 'h'))
1107 case DBUS_TYPE_UNIX_FD((int) 'h'):
1108 ret = _message_iter_append_unixfd(appender, obj);
1109 break;
1110#endif
1111
1112 default:
1113 PyErr_Format(PyExc_TypeError, "Unknown type '\\x%x' in D-Bus "
1114 "signature", sig_type);
1115 ret = -1;
1116 break;
1117 }
1118 if (ret < 0) return -1;
1119
1120 DBG("Advancing signature iter at %p", sig_iter)do {} while (0);
1121 *more = dbus_signature_iter_next(sig_iter);
1122#ifdef USING_DBG
1123 DBG("- result: %ld, type %02x '%c'", (long)(*more),do {} while (0)
1124 (int)dbus_signature_iter_get_current_type(sig_iter),do {} while (0)
1125 (int)dbus_signature_iter_get_current_type(sig_iter))do {} while (0);
1126#endif
1127 return 0;
1128}
1129
1130
1131PyObject *
1132dbus_py_Message_append(Message *self, PyObject *args, PyObject *kwargs)
1133{
1134 const char *signature = NULL((void*)0);
1135 PyObject *signature_obj = NULL((void*)0);
1136 DBusSignatureIter sig_iter;
1137 DBusMessageIter appender;
1138 static char *argnames[] = {"signature", NULL((void*)0)};
1139 dbus_bool_t more;
1140
1141 if (!self->msg) return DBusPy_RaiseUnusableMessage();
1142
1143#ifdef USING_DBG
1144 fprintf(stderrstderr, "DBG/%ld: called Message_append(*", (long)getpid());
1145 PyObject_Print(args, stderrstderr, 0);
1146 if (kwargs) {
1147 fprintf(stderrstderr, ", **");
1148 PyObject_Print(kwargs, stderrstderr, 0);
1149 }
1150 fprintf(stderrstderr, ")\n");
1151#endif
1152
1153 /* only use kwargs for this step: deliberately ignore args for now */
1154 if (!PyArg_ParseTupleAndKeywords_PyArg_ParseTupleAndKeywords_SizeT(dbus_py_empty_tuple, kwargs, "|z:append",
1155 argnames, &signature)) return NULL((void*)0);
1156
1157 if (!signature) {
1158 DBG("%s", "No signature for message, guessing...")do {} while (0);
1159 signature_obj = dbus_py_Message_guess_signature(NULL((void*)0), args);
1160 if (!signature_obj) return NULL((void*)0);
1161 if (PyUnicode_Check(signature_obj)((((((PyObject*)(signature_obj))->ob_type))->tp_flags &
((1UL << 28))) != 0)) {
1162 PyObject *signature_as_bytes;
1163 signature_as_bytes = PyUnicode_AsUTF8String(signature_obj);
1164 Py_CLEAR(signature_obj)do { PyObject *_py_tmp = ((PyObject*)(signature_obj)); if (_py_tmp
!= ((void*)0)) { (signature_obj) = ((void*)0); _Py_DECREF(((
PyObject*)(_py_tmp))); } } while (0);
1165 if (!signature_as_bytes)
1166 return NULL((void*)0);
1167 signature_obj = signature_as_bytes;
1168 }
1169 else {
1170 assert(PyBytes_Check(signature_obj))((void) sizeof ((((((((PyObject*)(signature_obj))->ob_type
))->tp_flags & ((1UL << 27))) != 0)) ? 1 : 0), __extension__
({ if (((((((PyObject*)(signature_obj))->ob_type))->tp_flags
& ((1UL << 27))) != 0)) ; else __assert_fail ("PyBytes_Check(signature_obj)"
, "../../dbus_bindings/message-append.c", 1170, __extension__
__PRETTY_FUNCTION__); }));
1171 }
1172 signature = PyBytes_AS_STRING(signature_obj)((((PyBytesObject *)(signature_obj))->ob_sval));
1173 }
1174 /* from here onwards, you have to do a goto rather than returning NULL
1175 to make sure signature_obj gets freed */
1176
1177 /* iterate over args and the signature, together */
1178 if (!dbus_signature_validate(signature, NULL((void*)0))) {
1179 PyErr_SetString(PyExc_ValueError, "Corrupt type signature");
1180 goto err;
1181 }
1182 dbus_message_iter_init_append(self->msg, &appender);
1183
1184 if (signature[0] != '\0') {
1185 int i = 0;
1186
1187 more = TRUE1;
1188 dbus_signature_iter_init(&sig_iter, signature);
1189 while (more) {
1190 if (i >= PyTuple_GET_SIZE(args)(((PyVarObject*)(((PyTupleObject *)(args))))->ob_size)) {
1191 PyErr_SetString(PyExc_TypeError, "More items found in D-Bus "
1192 "signature than in Python arguments");
1193 goto hosed;
1194 }
1195 if (_message_iter_append_pyobject(&appender, &sig_iter,
1196 PyTuple_GET_ITEM(args, i)(((PyTupleObject *)(args))->ob_item[i]),
1197 &more) < 0) {
1198 goto hosed;
1199 }
1200 i++;
1201 }
1202 if (i < PyTuple_GET_SIZE(args)(((PyVarObject*)(((PyTupleObject *)(args))))->ob_size)) {
1203 PyErr_SetString(PyExc_TypeError, "Fewer items found in D-Bus "
1204 "signature than in Python arguments");
1205 goto hosed;
1206 }
1207 }
1208
1209 /* success! */
1210 Py_CLEAR(signature_obj)do { PyObject *_py_tmp = ((PyObject*)(signature_obj)); if (_py_tmp
!= ((void*)0)) { (signature_obj) = ((void*)0); _Py_DECREF(((
PyObject*)(_py_tmp))); } } while (0);
1211 Py_RETURN_NONEreturn _Py_INCREF(((PyObject*)((&_Py_NoneStruct)))), (&
_Py_NoneStruct);
1212
1213hosed:
1214 /* "If appending any of the arguments fails due to lack of memory,
1215 * generally the message is hosed and you have to start over" -libdbus docs
1216 * Enforce this by throwing away the message structure.
1217 */
1218 dbus_message_unref(self->msg);
1219 self->msg = NULL((void*)0);
1220err:
1221 Py_CLEAR(signature_obj)do { PyObject *_py_tmp = ((PyObject*)(signature_obj)); if (_py_tmp
!= ((void*)0)) { (signature_obj) = ((void*)0); _Py_DECREF(((
PyObject*)(_py_tmp))); } } while (0);
1222 return NULL((void*)0);
1223}
1224
1225/* vim:set ft=c cino< sw=4 sts=4 et: */
←

/opt/pyrefcon/lib/pyrefcon/models/models/PyUnicode_FromString.model

1#ifndef PyUnicode_FromString
2struct _object;
3typedef struct _object PyObject;
4PyObject* clang_analyzer_PyObject_New_Reference();
5PyObject *PyUnicode_FromString(const char *u) {
6 return clang_analyzer_PyObject_New_Reference();
31
←
Setting reference count to 1
→
7}
8#else
9#warning "API PyUnicode_FromString is defined as a macro."
10#endif