../src/libsystemd/sd-bus/bus-message.c

Bug Summary

File:	build-scan/../src/libsystemd/sd-bus/bus-message.c
Warning:	line 2786, column 9 Value stored to 'copy_fd' is never read

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 bus-message.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 -setup-static-analyzer -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -relaxed-aliasing -menable-no-infs -menable-no-nans -menable-unsafe-fp-math -fno-signed-zeros -mreassociate -freciprocal-math -fdenormal-fp-math=preserve-sign,preserve-sign -ffp-contract=fast -fno-rounding-math -ffast-math -ffinite-math-only -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/12.0.0 -include config.h -I src/libsystemd/libsystemd_static.a.p -I src/libsystemd -I ../src/libsystemd -I src/basic -I ../src/basic -I src/shared -I ../src/shared -I src/systemd -I ../src/systemd -I src/journal -I ../src/journal -I src/journal-remote -I ../src/journal-remote -I src/nspawn -I ../src/nspawn -I src/resolve -I ../src/resolve -I src/timesync -I ../src/timesync -I ../src/time-wait-sync -I src/login -I ../src/login -I src/udev -I ../src/udev -I src/libudev -I ../src/libudev -I src/core -I ../src/core -I ../src/libsystemd/sd-bus -I ../src/libsystemd/sd-device -I ../src/libsystemd/sd-hwdb -I ../src/libsystemd/sd-id128 -I ../src/libsystemd/sd-netlink -I ../src/libsystemd/sd-network -I src/libsystemd-network -I ../src/libsystemd-network -I . -I .. -D _FILE_OFFSET_BITS=64 -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/12.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -Wwrite-strings -Wno-unused-parameter -Wno-missing-field-initializers -Wno-unused-result -Wno-format-signedness -Wno-error=nonnull -std=gnu99 -fconst-strings -fdebug-compilation-dir /home/mrc0mmand/repos/@redhat-plumbers/systemd-rhel8/build-scan -ferror-limit 19 -fvisibility default -stack-protector 2 -fgnuc-version=4.2.1 -fcolor-diagnostics -analyzer-output=html -faddrsig -o /tmp/scan-build-2021-07-16-221226-1465241-1 -x c ../src/libsystemd/sd-bus/bus-message.c

1	/* SPDX-License-Identifier: LGPL-2.1+ */
2	/***
3	***/
4
5	#include <errno(*__errno_location ()).h>
6	#include <fcntl.h>
7	#include <sys/mman.h>
8
9	#include "sd-bus.h"
10
11	#include "alloc-util.h"
12	#include "bus-gvariant.h"
13	#include "bus-internal.h"
14	#include "bus-message.h"
15	#include "bus-signature.h"
16	#include "bus-type.h"
17	#include "bus-util.h"
18	#include "fd-util.h"
19	#include "io-util.h"
20	#include "memfd-util.h"
21	#include "string-util.h"
22	#include "strv.h"
23	#include "time-util.h"
24	#include "utf8.h"
25	#include "util.h"
26
27	static int message_append_basic(sd_bus_message m, char type, const void p, const void **stored);
28
29	static void adjust_pointer(const void p, void old_base, size_t sz, void new_base) {
30
31	if (p == NULL((void*)0))
32	return NULL((void*)0);
33
34	if (old_base == new_base)
35	return (void*) p;
36
37	if ((uint8_t) p < (uint8_t) old_base)
38	return (void*) p;
39
40	if ((uint8_t) p >= (uint8_t) old_base + sz)
41	return (void*) p;
42
43	return (uint8_t) new_base + ((uint8_t) p - (uint8_t*) old_base);
44	}
45
46	static void message_free_part(sd_bus_message m, struct bus_body_part part) {
47	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 47, __PRETTY_FUNCTION__); } while (0);
48	assert(part)do { if ((__builtin_expect(!!(!(part)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part"), "../src/libsystemd/sd-bus/bus-message.c" , 48, __PRETTY_FUNCTION__); } while (0);
49
50	if (part->memfd >= 0)
51	close_and_munmap(part->memfd, part->mmap_begin, part->mapped);
52	else if (part->munmap_this)
53	munmap(part->mmap_begin, part->mapped);
54	else if (part->free_this)
55	free(part->data);
56
57	if (part != &m->body)
58	free(part);
59	}
60
61	static void message_reset_parts(sd_bus_message *m) {
62	struct bus_body_part *part;
63
64	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 64, __PRETTY_FUNCTION__); } while (0);
65
66	part = &m->body;
67	while (m->n_body_parts > 0) {
68	struct bus_body_part *next = part->next;
69	message_free_part(m, part);
70	part = next;
71	m->n_body_parts--;
72	}
73
74	m->body_end = NULL((void*)0);
75
76	m->cached_rindex_part = NULL((void*)0);
77	m->cached_rindex_part_begin = 0;
78	}
79
80	static struct bus_container message_get_last_container(sd_bus_message m) {
81	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 81, __PRETTY_FUNCTION__); } while (0);
82
83	if (m->n_containers == 0)
84	return &m->root_container;
85
86	assert(m->containers)do { if ((__builtin_expect(!!(!(m->containers)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->containers"), "../src/libsystemd/sd-bus/bus-message.c" , 86, __PRETTY_FUNCTION__); } while (0);
87	return m->containers + m->n_containers - 1;
88	}
89
90	static void message_free_last_container(sd_bus_message *m) {
91	struct bus_container *c;
92
93	c = message_get_last_container(m);
94
95	free(c->signature);
96	free(c->peeked_signature);
97	free(c->offsets);
98
99	/* Move to previous container, but not if we are on root container */
100	if (m->n_containers > 0)
101	m->n_containers--;
102	}
103
104	static void message_reset_containers(sd_bus_message *m) {
105	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 105, __PRETTY_FUNCTION__); } while (0);
106
107	while (m->n_containers > 0)
108	message_free_last_container(m);
109
110	m->containers = mfree(m->containers);
111	m->containers_allocated = 0;
112	m->root_container.index = 0;
113	}
114
115	static sd_bus_message* message_free(sd_bus_message *m) {
116	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 116, __PRETTY_FUNCTION__); } while (0);
117
118	if (m->free_header)
119	free(m->header);
120
121	message_reset_parts(m);
122
123	/* Note that we don't unref m->bus here. That's already done by sd_bus_message_unref() as each user
124	* reference to the bus message also is considered a reference to the bus connection itself. */
125
126	if (m->free_fds) {
127	close_many(m->fds, m->n_fds);
128	free(m->fds);
129	}
130
131	if (m->iovec != m->iovec_fixed)
132	free(m->iovec);
133
134	message_reset_containers(m);
135	assert(m->n_containers == 0)do { if ((__builtin_expect(!!(!(m->n_containers == 0)),0)) ) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("m->n_containers == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 135, __PRETTY_FUNCTION__ ); } while (0);
136	message_free_last_container(m);
137
138	bus_creds_done(&m->creds);
139	return mfree(m);
140	}
141
142	static void message_extend_fields(sd_bus_message m, size_t align, size_t sz, bool_Bool add_offset) {
143	void op, np;
144	size_t old_size, new_size, start;
145
146	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 146, __PRETTY_FUNCTION__); } while (0);
147
148	if (m->poisoned)
149	return NULL((void*)0);
150
151	old_size = sizeof(struct bus_header) + m->fields_size;
152	start = ALIGN_TO(old_size, align);
153	new_size = start + sz;
154
155	if (new_size < start \|\|
156	new_size > (size_t) ((uint32_t) -1))
157	goto poison;
158
159	if (old_size == new_size)
160	return (uint8_t*) m->header + old_size;
161
162	if (m->free_header) {
163	np = realloc(m->header, ALIGN8(new_size)(((new_size) + 7) & ~7));
164	if (!np)
165	goto poison;
166	} else {
167	/* Initially, the header is allocated as part of
168	* the sd_bus_message itself, let's replace it by
169	* dynamic data */
170
171	np = malloc(ALIGN8(new_size)(((new_size) + 7) & ~7));
172	if (!np)
173	goto poison;
174
175	memcpy(np, m->header, sizeof(struct bus_header));
176	}
177
178	/* Zero out padding */
179	if (start > old_size)
180	memzero((uint8_t) np + old_size, start - old_size)({ size_t _l_ = (start - old_size); void _x_ = ((uint8_t*) np + old_size); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); });
181
182	op = m->header;
183	m->header = np;
184	m->fields_size = new_size - sizeof(struct bus_header);
185
186	/* Adjust quick access pointers */
187	m->path = adjust_pointer(m->path, op, old_size, m->header);
188	m->interface = adjust_pointer(m->interface, op, old_size, m->header);
189	m->member = adjust_pointer(m->member, op, old_size, m->header);
190	m->destination = adjust_pointer(m->destination, op, old_size, m->header);
191	m->sender = adjust_pointer(m->sender, op, old_size, m->header);
192	m->error.name = adjust_pointer(m->error.name, op, old_size, m->header);
193
194	m->free_header = true1;
195
196	if (add_offset) {
197	if (m->n_header_offsets >= ELEMENTSOF(m->header_offsets)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(m->header_offsets), typeof(&*(m->header_offsets ))), sizeof(m->header_offsets)/sizeof((m->header_offsets )[0]), ((void)0))))
198	goto poison;
199
200	m->header_offsets[m->n_header_offsets++] = new_size - sizeof(struct bus_header);
201	}
202
203	return (uint8_t*) np + start;
204
205	poison:
206	m->poisoned = true1;
207	return NULL((void*)0);
208	}
209
210	static int message_append_field_string(
211	sd_bus_message *m,
212	uint64_t h,
213	char type,
214	const char *s,
215	const char **ret) {
216
217	size_t l;
218	uint8_t *p;
219
220	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 220, __PRETTY_FUNCTION__); } while (0);
221
222	/* dbus1 only allows 8bit header field ids */
223	if (h > 0xFF)
224	return -EINVAL22;
225
226	/* dbus1 doesn't allow strings over 32bit, let's enforce this
227	* globally, to not risk convertability */
228	l = strlen(s);
229	if (l > UINT32_MAX(4294967295U))
230	return -EINVAL22;
231
232	/* Signature "(yv)" where the variant contains "s" */
233
234	if (BUS_MESSAGE_IS_GVARIANT(m)) {
235
236	/* (field id 64bit, ((string + NUL) + NUL + signature string 's') */
237	p = message_extend_fields(m, 8, 8 + l + 1 + 1 + 1, true1);
238	if (!p)
239	return -ENOMEM12;
240
241	((uint64_t) p) = h;
242	memcpy(p+8, s, l);
243	p[8+l] = 0;
244	p[8+l+1] = 0;
245	p[8+l+2] = type;
246
247	if (ret)
248	ret = (char) p + 8;
249
250	} else {
251	/* (field id byte + (signature length + signature 's' + NUL) + (string length + string + NUL)) */
252	p = message_extend_fields(m, 8, 4 + 4 + l + 1, false0);
253	if (!p)
254	return -ENOMEM12;
255
256	p[0] = (uint8_t) h;
257	p[1] = 1;
258	p[2] = type;
259	p[3] = 0;
260
261	((uint32_t*) p)[1] = l;
262	memcpy(p + 8, s, l + 1);
263
264	if (ret)
265	ret = (char) p + 8;
266	}
267
268	return 0;
269	}
270
271	static int message_append_field_signature(
272	sd_bus_message *m,
273	uint64_t h,
274	const char *s,
275	const char **ret) {
276
277	size_t l;
278	uint8_t *p;
279
280	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 280, __PRETTY_FUNCTION__); } while (0);
281
282	/* dbus1 only allows 8bit header field ids */
283	if (h > 0xFF)
284	return -EINVAL22;
285
286	/* dbus1 doesn't allow signatures over 8bit, let's enforce
287	* this globally, to not risk convertability */
288	l = strlen(s);
289	if (l > 255)
290	return -EINVAL22;
291
292	/* Signature "(yv)" where the variant contains "g" */
293
294	if (BUS_MESSAGE_IS_GVARIANT(m))
295	/* For gvariant the serialization is the same as for normal strings */
296	return message_append_field_string(m, h, 'g', s, ret);
297	else {
298	/* (field id byte + (signature length + signature 'g' + NUL) + (string length + string + NUL)) */
299	p = message_extend_fields(m, 8, 4 + 1 + l + 1, false0);
300	if (!p)
301	return -ENOMEM12;
302
303	p[0] = (uint8_t) h;
304	p[1] = 1;
305	p[2] = SD_BUS_TYPE_SIGNATURE;
306	p[3] = 0;
307	p[4] = l;
308	memcpy(p + 5, s, l + 1);
309
310	if (ret)
311	ret = (const char) p + 5;
312	}
313
314	return 0;
315	}
316
317	static int message_append_field_uint32(sd_bus_message *m, uint64_t h, uint32_t x) {
318	uint8_t *p;
319
320	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 320, __PRETTY_FUNCTION__); } while (0);
321
322	/* dbus1 only allows 8bit header field ids */
323	if (h > 0xFF)
324	return -EINVAL22;
325
326	if (BUS_MESSAGE_IS_GVARIANT(m)) {
327	/* (field id 64bit + ((value + NUL + signature string 'u') */
328
329	p = message_extend_fields(m, 8, 8 + 4 + 1 + 1, true1);
330	if (!p)
331	return -ENOMEM12;
332
333	((uint64_t) p) = h;
334	((uint32_t) (p + 8)) = x;
335	p[12] = 0;
336	p[13] = 'u';
337	} else {
338	/* (field id byte + (signature length + signature 'u' + NUL) + value) */
339	p = message_extend_fields(m, 8, 4 + 4, false0);
340	if (!p)
341	return -ENOMEM12;
342
343	p[0] = (uint8_t) h;
344	p[1] = 1;
345	p[2] = 'u';
346	p[3] = 0;
347
348	((uint32_t*) p)[1] = x;
349	}
350
351	return 0;
352	}
353
354	static int message_append_field_uint64(sd_bus_message *m, uint64_t h, uint64_t x) {
355	uint8_t *p;
356
357	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 357, __PRETTY_FUNCTION__); } while (0);
358
359	/* dbus1 only allows 8bit header field ids */
360	if (h > 0xFF)
361	return -EINVAL22;
362
363	if (BUS_MESSAGE_IS_GVARIANT(m)) {
364	/* (field id 64bit + ((value + NUL + signature string 't') */
365
366	p = message_extend_fields(m, 8, 8 + 8 + 1 + 1, true1);
367	if (!p)
368	return -ENOMEM12;
369
370	((uint64_t) p) = h;
371	((uint64_t) (p + 8)) = x;
372	p[16] = 0;
373	p[17] = 't';
374	} else {
375	/* (field id byte + (signature length + signature 't' + NUL) + 4 byte padding + value) */
376	p = message_extend_fields(m, 8, 4 + 4 + 8, false0);
377	if (!p)
378	return -ENOMEM12;
379
380	p[0] = (uint8_t) h;
381	p[1] = 1;
382	p[2] = 't';
383	p[3] = 0;
384	p[4] = 0;
385	p[5] = 0;
386	p[6] = 0;
387	p[7] = 0;
388
389	((uint64_t*) p)[1] = x;
390	}
391
392	return 0;
393	}
394
395	static int message_append_reply_cookie(sd_bus_message *m, uint64_t cookie) {
396	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 396, __PRETTY_FUNCTION__); } while (0);
397
398	if (BUS_MESSAGE_IS_GVARIANT(m))
399	return message_append_field_uint64(m, BUS_MESSAGE_HEADER_REPLY_SERIAL, cookie);
400	else {
401	/* 64bit cookies are not supported on dbus1 */
402	if (cookie > 0xffffffffUL)
403	return -EOPNOTSUPP95;
404
405	return message_append_field_uint32(m, BUS_MESSAGE_HEADER_REPLY_SERIAL, (uint32_t) cookie);
406	}
407	}
408
409	int bus_message_from_header(
410	sd_bus *bus,
411	void *header,
412	size_t header_accessible,
413	void *footer,
414	size_t footer_accessible,
415	size_t message_size,
416	int *fds,
417	size_t n_fds,
418	const char *label,
419	size_t extra,
420	sd_bus_message **ret) {
421
422	_cleanup_free___attribute__((cleanup(freep))) sd_bus_message m = NULL((void)0);
423	struct bus_header *h;
424	size_t a, label_sz;
425
426	assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 426, __PRETTY_FUNCTION__); } while (0);
427	assert(header \|\| header_accessible <= 0)do { if ((__builtin_expect(!!(!(header \|\| header_accessible <= 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("header \|\| header_accessible <= 0" ), "../src/libsystemd/sd-bus/bus-message.c", 427, __PRETTY_FUNCTION__ ); } while (0);
428	assert(footer \|\| footer_accessible <= 0)do { if ((__builtin_expect(!!(!(footer \|\| footer_accessible <= 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("footer \|\| footer_accessible <= 0" ), "../src/libsystemd/sd-bus/bus-message.c", 428, __PRETTY_FUNCTION__ ); } while (0);
429	assert(fds \|\| n_fds <= 0)do { if ((__builtin_expect(!!(!(fds \|\| n_fds <= 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("fds \|\| n_fds <= 0"), "../src/libsystemd/sd-bus/bus-message.c" , 429, __PRETTY_FUNCTION__); } while (0);
430	assert(ret)do { if ((__builtin_expect(!!(!(ret)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ret"), "../src/libsystemd/sd-bus/bus-message.c" , 430, __PRETTY_FUNCTION__); } while (0);
431
432	if (header_accessible < sizeof(struct bus_header))
433	return -EBADMSG74;
434
435	if (header_accessible > message_size)
436	return -EBADMSG74;
437	if (footer_accessible > message_size)
438	return -EBADMSG74;
439
440	h = header;
441	if (!IN_SET(h->version, 1, 2)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){1, 2})/sizeof(int)]; switch(h->version ) { case 1: case 2: _found = 1; break; default: break; } _found ; }))
442	return -EBADMSG74;
443
444	if (h->type == _SD_BUS_MESSAGE_TYPE_INVALID)
445	return -EBADMSG74;
446
447	if (!IN_SET(h->endian, BUS_LITTLE_ENDIAN, BUS_BIG_ENDIAN)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){BUS_LITTLE_ENDIAN, BUS_BIG_ENDIAN})/sizeof (int)]; switch(h->endian) { case BUS_LITTLE_ENDIAN: case BUS_BIG_ENDIAN : _found = 1; break; default: break; } _found; }))
448	return -EBADMSG74;
449
450	/* Note that we are happy with unknown flags in the flags header! */
451
452	a = ALIGN(sizeof(sd_bus_message))(((sizeof(sd_bus_message)) + 7) & ~7) + ALIGN(extra)(((extra) + 7) & ~7);
453
454	if (label) {
455	label_sz = strlen(label);
456	a += label_sz + 1;
457	}
458
459	m = malloc0(a)(calloc(1, (a)));
460	if (!m)
461	return -ENOMEM12;
462
463	m->sealed = true1;
464	m->header = header;
465	m->header_accessible = header_accessible;
466	m->footer = footer;
467	m->footer_accessible = footer_accessible;
468
469	if (BUS_MESSAGE_IS_GVARIANT(m)) {
470	size_t ws;
471
472	if (h->dbus2.cookie == 0)
473	return -EBADMSG74;
474
475	/* dbus2 derives the sizes from the message size and
476	the offset table at the end, since it is formatted as
477	gvariant "yyyyuta{tv}v". Since the message itself is a
478	structure with precisely to variable sized entries,
479	there's only one offset in the table, which marks the
480	end of the fields array. */
481
482	ws = bus_gvariant_determine_word_size(message_size, 0);
483	if (footer_accessible < ws)
484	return -EBADMSG74;
485
486	m->fields_size = bus_gvariant_read_word_le((uint8_t*) footer + footer_accessible - ws, ws);
487	if (ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7) > message_size - ws)
488	return -EBADMSG74;
489	if (m->fields_size < sizeof(struct bus_header))
490	return -EBADMSG74;
491
492	m->fields_size -= sizeof(struct bus_header);
493	m->body_size = message_size - (sizeof(struct bus_header) + ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7));
494	} else {
495	if (h->dbus1.serial == 0)
496	return -EBADMSG74;
497
498	/* dbus1 has the sizes in the header */
499	m->fields_size = BUS_MESSAGE_BSWAP32(m, h->dbus1.fields_size);
500	m->body_size = BUS_MESSAGE_BSWAP32(m, h->dbus1.body_size);
501
502	if (sizeof(struct bus_header) + ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7) + m->body_size != message_size)
503	return -EBADMSG74;
504	}
505
506	m->fds = fds;
507	m->n_fds = n_fds;
508
509	if (label) {
510	m->creds.label = (char*) m + ALIGN(sizeof(sd_bus_message))(((sizeof(sd_bus_message)) + 7) & ~7) + ALIGN(extra)(((extra) + 7) & ~7);
511	memcpy(m->creds.label, label, label_sz + 1);
512
513	m->creds.mask \|= SD_BUS_CREDS_SELINUX_CONTEXT;
514	}
515
516	m->n_ref = 1;
517	m->bus = sd_bus_ref(bus);
518
519	ret = TAKE_PTR(m)({ typeof(m) _ptr_ = (m); (m) = ((void)0); _ptr_; });
520
521	return 0;
522	}
523
524	int bus_message_from_malloc(
525	sd_bus *bus,
526	void *buffer,
527	size_t length,
528	int *fds,
529	size_t n_fds,
530	const char *label,
531	sd_bus_message **ret) {
532
533	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message m = NULL((void)0);
534	size_t sz;
535	int r;
536
537	r = bus_message_from_header(
538	bus,
539	buffer, length, /* in this case the initial bytes and the final bytes are the same */
540	buffer, length,
541	length,
542	fds, n_fds,
543	label,
544	0, &m);
545	if (r < 0)
546	return r;
547
548	sz = length - sizeof(struct bus_header) - ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7);
549	if (sz > 0) {
550	m->n_body_parts = 1;
551	m->body.data = (uint8_t*) buffer + sizeof(struct bus_header) + ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7);
552	m->body.size = sz;
553	m->body.sealed = true1;
554	m->body.memfd = -1;
555	}
556
557	m->n_iovec = 1;
558	m->iovec = m->iovec_fixed;
559	m->iovec[0].iov_base = buffer;
560	m->iovec[0].iov_len = length;
561
562	r = bus_message_parse_fields(m);
563	if (r < 0)
564	return r;
565
566	/* We take possession of the memory and fds now */
567	m->free_header = true1;
568	m->free_fds = true1;
569
570	ret = TAKE_PTR(m)({ typeof(m) _ptr_ = (m); (m) = ((void)0); _ptr_; });
571	return 0;
572	}
573
574	_public___attribute__ ((visibility("default"))) int sd_bus_message_new(
575	sd_bus *bus,
576	sd_bus_message **m,
577	uint8_t type) {
578
579	sd_bus_message *t;
580
581	assert_return(bus, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 581, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
582	assert_return(bus->state != BUS_UNSET, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus->state != BUS_UNSET), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus->state != BUS_UNSET"), "../src/libsystemd/sd-bus/bus-message.c" , 582, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
583	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 583, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
584	assert_return(type < _SD_BUS_MESSAGE_TYPE_MAX, -EINVAL)do { if (!(((__builtin_expect(!!(type < _SD_BUS_MESSAGE_TYPE_MAX ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("type < _SD_BUS_MESSAGE_TYPE_MAX"), "../src/libsystemd/sd-bus/bus-message.c" , 584, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
585
586	t = malloc0(ALIGN(sizeof(sd_bus_message)) + sizeof(struct bus_header))(calloc(1, ((((sizeof(sd_bus_message)) + 7) & ~7) + sizeof (struct bus_header))));
587	if (!t)
588	return -ENOMEM12;
589
590	t->n_ref = 1;
591	t->bus = sd_bus_ref(bus);
592	t->header = (struct bus_header) ((uint8_t) t + ALIGN(sizeof(struct sd_bus_message))(((sizeof(struct sd_bus_message)) + 7) & ~7));
593	t->header->endian = BUS_NATIVE_ENDIAN;
594	t->header->type = type;
595	t->header->version = bus->message_version;
596	t->allow_fds = bus->can_fds \|\| !IN_SET(bus->state, BUS_HELLO, BUS_RUNNING)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){BUS_HELLO, BUS_RUNNING})/sizeof(int)]; switch (bus->state) { case BUS_HELLO: case BUS_RUNNING: _found = 1 ; break; default: break; } _found; });
597	t->root_container.need_offsets = BUS_MESSAGE_IS_GVARIANT(t);
598
599	if (bus->allow_interactive_authorization)
600	t->header->flags \|= BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION;
601
602	*m = t;
603	return 0;
604	}
605
606	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_signal(
607	sd_bus *bus,
608	sd_bus_message **m,
609	const char *path,
610	const char *interface,
611	const char *member) {
612
613	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message t = NULL((void)0);
614	int r;
615
616	assert_return(bus, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 616, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
617	assert_return(bus->state != BUS_UNSET, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus->state != BUS_UNSET), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus->state != BUS_UNSET"), "../src/libsystemd/sd-bus/bus-message.c" , 617, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
618	assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-message.c" , 618, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
619	assert_return(interface_name_is_valid(interface), -EINVAL)do { if (!(((__builtin_expect(!!(interface_name_is_valid(interface )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("interface_name_is_valid(interface)"), "../src/libsystemd/sd-bus/bus-message.c" , 619, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
620	assert_return(member_name_is_valid(member), -EINVAL)do { if (!(((__builtin_expect(!!(member_name_is_valid(member) ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("member_name_is_valid(member)"), "../src/libsystemd/sd-bus/bus-message.c" , 620, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
621	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 621, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
622
623	r = sd_bus_message_new(bus, &t, SD_BUS_MESSAGE_SIGNAL);
624	if (r < 0)
625	return -ENOMEM12;
626
627	assert(t)do { if ((__builtin_expect(!!(!(t)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("t"), "../src/libsystemd/sd-bus/bus-message.c" , 627, __PRETTY_FUNCTION__); } while (0);
628
629	t->header->flags \|= BUS_MESSAGE_NO_REPLY_EXPECTED;
630
631	r = message_append_field_string(t, BUS_MESSAGE_HEADER_PATH, SD_BUS_TYPE_OBJECT_PATH, path, &t->path);
632	if (r < 0)
633	return r;
634	r = message_append_field_string(t, BUS_MESSAGE_HEADER_INTERFACE, SD_BUS_TYPE_STRING, interface, &t->interface);
635	if (r < 0)
636	return r;
637	r = message_append_field_string(t, BUS_MESSAGE_HEADER_MEMBER, SD_BUS_TYPE_STRING, member, &t->member);
638	if (r < 0)
639	return r;
640
641	m = TAKE_PTR(t)({ typeof(t) _ptr_ = (t); (t) = ((void)0); _ptr_; });
642	return 0;
643	}
644
645	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_call(
646	sd_bus *bus,
647	sd_bus_message **m,
648	const char *destination,
649	const char *path,
650	const char *interface,
651	const char *member) {
652
653	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message t = NULL((void)0);
654	int r;
655
656	assert_return(bus, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 656, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
657	assert_return(bus->state != BUS_UNSET, -ENOTCONN)do { if (!(((__builtin_expect(!!(bus->state != BUS_UNSET), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus->state != BUS_UNSET"), "../src/libsystemd/sd-bus/bus-message.c" , 657, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
658	assert_return(!destination \|\| service_name_is_valid(destination), -EINVAL)do { if (!(((__builtin_expect(!!(!destination \|\| service_name_is_valid (destination)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!destination \|\| service_name_is_valid(destination)"), "../src/libsystemd/sd-bus/bus-message.c" , 658, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
659	assert_return(object_path_is_valid(path), -EINVAL)do { if (!(((__builtin_expect(!!(object_path_is_valid(path)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("object_path_is_valid(path)"), "../src/libsystemd/sd-bus/bus-message.c" , 659, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
660	assert_return(!interface \|\| interface_name_is_valid(interface), -EINVAL)do { if (!(((__builtin_expect(!!(!interface \|\| interface_name_is_valid (interface)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!interface \|\| interface_name_is_valid(interface)"), "../src/libsystemd/sd-bus/bus-message.c" , 660, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
661	assert_return(member_name_is_valid(member), -EINVAL)do { if (!(((__builtin_expect(!!(member_name_is_valid(member) ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("member_name_is_valid(member)"), "../src/libsystemd/sd-bus/bus-message.c" , 661, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
662	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 662, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
663
664	r = sd_bus_message_new(bus, &t, SD_BUS_MESSAGE_METHOD_CALL);
665	if (r < 0)
666	return -ENOMEM12;
667
668	assert(t)do { if ((__builtin_expect(!!(!(t)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("t"), "../src/libsystemd/sd-bus/bus-message.c" , 668, __PRETTY_FUNCTION__); } while (0);
669
670	r = message_append_field_string(t, BUS_MESSAGE_HEADER_PATH, SD_BUS_TYPE_OBJECT_PATH, path, &t->path);
671	if (r < 0)
672	return r;
673	r = message_append_field_string(t, BUS_MESSAGE_HEADER_MEMBER, SD_BUS_TYPE_STRING, member, &t->member);
674	if (r < 0)
675	return r;
676
677	if (interface) {
678	r = message_append_field_string(t, BUS_MESSAGE_HEADER_INTERFACE, SD_BUS_TYPE_STRING, interface, &t->interface);
679	if (r < 0)
680	return r;
681	}
682
683	if (destination) {
684	r = message_append_field_string(t, BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, destination, &t->destination);
685	if (r < 0)
686	return r;
687	}
688
689	m = TAKE_PTR(t)({ typeof(t) _ptr_ = (t); (t) = ((void)0); _ptr_; });
690	return 0;
691	}
692
693	static int message_new_reply(
694	sd_bus_message *call,
695	uint8_t type,
696	sd_bus_message **m) {
697
698	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message t = NULL((void)0);
699	uint64_t cookie;
700	int r;
701
702	assert_return(call, -EINVAL)do { if (!(((__builtin_expect(!!(call),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("call"), "../src/libsystemd/sd-bus/bus-message.c" , 702, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
703	assert_return(call->sealed, -EPERM)do { if (!(((__builtin_expect(!!(call->sealed),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("call->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 703, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
704	assert_return(call->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL)do { if (!(((__builtin_expect(!!(call->header->type == SD_BUS_MESSAGE_METHOD_CALL ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("call->header->type == SD_BUS_MESSAGE_METHOD_CALL"), "../src/libsystemd/sd-bus/bus-message.c", 704, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
705	assert_return(call->bus->state != BUS_UNSET, -ENOTCONN)do { if (!(((__builtin_expect(!!(call->bus->state != BUS_UNSET ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("call->bus->state != BUS_UNSET"), "../src/libsystemd/sd-bus/bus-message.c" , 705, __PRETTY_FUNCTION__), 0))) return (-107); } while (0);
706	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 706, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
707
708	cookie = BUS_MESSAGE_COOKIE(call);
709	if (cookie == 0)
710	return -EOPNOTSUPP95;
711
712	r = sd_bus_message_new(call->bus, &t, type);
713	if (r < 0)
714	return -ENOMEM12;
715
716	assert(t)do { if ((__builtin_expect(!!(!(t)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("t"), "../src/libsystemd/sd-bus/bus-message.c" , 716, __PRETTY_FUNCTION__); } while (0);
717
718	t->header->flags \|= BUS_MESSAGE_NO_REPLY_EXPECTED;
719	t->reply_cookie = cookie;
720	r = message_append_reply_cookie(t, t->reply_cookie);
721	if (r < 0)
722	return r;
723
724	if (call->sender) {
725	r = message_append_field_string(t, BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, call->sender, &t->destination);
726	if (r < 0)
727	return r;
728	}
729
730	t->dont_send = !!(call->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED);
731	t->enforced_reply_signature = call->enforced_reply_signature;
732
733	m = TAKE_PTR(t)({ typeof(t) _ptr_ = (t); (t) = ((void)0); _ptr_; });
734	return 0;
735	}
736
737	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_return(
738	sd_bus_message *call,
739	sd_bus_message **m) {
740
741	return message_new_reply(call, SD_BUS_MESSAGE_METHOD_RETURN, m);
742	}
743
744	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_error(
745	sd_bus_message *call,
746	sd_bus_message **m,
747	const sd_bus_error *e) {
748
749	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message t = NULL((void)0);
750	int r;
751
752	assert_return(sd_bus_error_is_set(e), -EINVAL)do { if (!(((__builtin_expect(!!(sd_bus_error_is_set(e)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "sd_bus_error_is_set(e)"), "../src/libsystemd/sd-bus/bus-message.c" , 752, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
753	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 753, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
754
755	r = message_new_reply(call, SD_BUS_MESSAGE_METHOD_ERROR, &t);
756	if (r < 0)
757	return r;
758
759	r = message_append_field_string(t, BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, e->name, &t->error.name);
760	if (r < 0)
761	return r;
762
763	if (e->message) {
764	r = message_append_basic(t, SD_BUS_TYPE_STRING, e->message, (const void**) &t->error.message);
765	if (r < 0)
766	return r;
767	}
768
769	t->error._need_free = -1;
770
771	m = TAKE_PTR(t)({ typeof(t) _ptr_ = (t); (t) = ((void)0); _ptr_; });
772	return 0;
773	}
774
775	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_errorf(
776	sd_bus_message *call,
777	sd_bus_message **m,
778	const char *name,
779	const char *format,
780	...) {
781
782	_cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error error = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void)0)), (((void)0)), 0});
783	va_list ap;
784
785	assert_return(name, -EINVAL)do { if (!(((__builtin_expect(!!(name),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("name"), "../src/libsystemd/sd-bus/bus-message.c" , 785, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
786	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 786, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
787
788	va_start(ap, format)__builtin_va_start(ap, format);
789	bus_error_setfv(&error, name, format, ap);
790	va_end(ap)__builtin_va_end(ap);
791
792	return sd_bus_message_new_method_error(call, m, &error);
793	}
794
795	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_errno(
796	sd_bus_message *call,
797	sd_bus_message **m,
798	int error,
799	const sd_bus_error *p) {
800
801	_cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error berror = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void)0)), (((void)0)), 0});
802
803	if (sd_bus_error_is_set(p))
804	return sd_bus_message_new_method_error(call, m, p);
805
806	sd_bus_error_set_errno(&berror, error);
807
808	return sd_bus_message_new_method_error(call, m, &berror);
809	}
810
811	_public___attribute__ ((visibility("default"))) int sd_bus_message_new_method_errnof(
812	sd_bus_message *call,
813	sd_bus_message **m,
814	int error,
815	const char *format,
816	...) {
817
818	_cleanup_(sd_bus_error_free)__attribute__((cleanup(sd_bus_error_free))) sd_bus_error berror = SD_BUS_ERROR_NULL((const sd_bus_error) {(((void)0)), (((void)0)), 0});
819	va_list ap;
820
821	va_start(ap, format)__builtin_va_start(ap, format);
822	sd_bus_error_set_errnofv(&berror, error, format, ap);
823	va_end(ap)__builtin_va_end(ap);
824
825	return sd_bus_message_new_method_error(call, m, &berror);
826	}
827
828	void bus_message_set_sender_local(sd_bus bus, sd_bus_message m) {
829	assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 829, __PRETTY_FUNCTION__); } while (0);
830	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 830, __PRETTY_FUNCTION__); } while (0);
831
832	m->sender = m->creds.unique_name = (char*) "org.freedesktop.DBus.Local";
833	m->creds.well_known_names_local = true1;
834	m->creds.mask \|= (SD_BUS_CREDS_UNIQUE_NAME\|SD_BUS_CREDS_WELL_KNOWN_NAMES) & bus->creds_mask;
835	}
836
837	void bus_message_set_sender_driver(sd_bus bus, sd_bus_message m) {
838	assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 838, __PRETTY_FUNCTION__); } while (0);
839	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 839, __PRETTY_FUNCTION__); } while (0);
840
841	m->sender = m->creds.unique_name = (char*) "org.freedesktop.DBus";
842	m->creds.well_known_names_driver = true1;
843	m->creds.mask \|= (SD_BUS_CREDS_UNIQUE_NAME\|SD_BUS_CREDS_WELL_KNOWN_NAMES) & bus->creds_mask;
844	}
845
846	int bus_message_new_synthetic_error(
847	sd_bus *bus,
848	uint64_t cookie,
849	const sd_bus_error *e,
850	sd_bus_message **m) {
851
852	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message t = NULL((void)0);
853	int r;
854
855	assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 855, __PRETTY_FUNCTION__); } while (0);
856	assert(sd_bus_error_is_set(e))do { if ((__builtin_expect(!!(!(sd_bus_error_is_set(e))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("sd_bus_error_is_set(e)" ), "../src/libsystemd/sd-bus/bus-message.c", 856, __PRETTY_FUNCTION__ ); } while (0);
857	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 857, __PRETTY_FUNCTION__); } while (0);
858
859	r = sd_bus_message_new(bus, &t, SD_BUS_MESSAGE_METHOD_ERROR);
860	if (r < 0)
861	return -ENOMEM12;
862
863	assert(t)do { if ((__builtin_expect(!!(!(t)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("t"), "../src/libsystemd/sd-bus/bus-message.c" , 863, __PRETTY_FUNCTION__); } while (0);
864
865	t->header->flags \|= BUS_MESSAGE_NO_REPLY_EXPECTED;
866	t->reply_cookie = cookie;
867
868	r = message_append_reply_cookie(t, t->reply_cookie);
869	if (r < 0)
870	return r;
871
872	if (bus && bus->unique_name) {
873	r = message_append_field_string(t, BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, bus->unique_name, &t->destination);
874	if (r < 0)
875	return r;
876	}
877
878	r = message_append_field_string(t, BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, e->name, &t->error.name);
879	if (r < 0)
880	return r;
881
882	if (e->message) {
883	r = message_append_basic(t, SD_BUS_TYPE_STRING, e->message, (const void**) &t->error.message);
884	if (r < 0)
885	return r;
886	}
887
888	t->error._need_free = -1;
889
890	bus_message_set_sender_driver(bus, t);
891
892	m = TAKE_PTR(t)({ typeof(t) _ptr_ = (t); (t) = ((void)0); _ptr_; });
893	return 0;
894	}
895
896	_public___attribute__ ((visibility("default"))) sd_bus_message* sd_bus_message_ref(sd_bus_message *m) {
897	if (!m)
898	return NULL((void*)0);
899
900	/* We are fine if this message so far was either explicitly reffed or not reffed but queued into at
901	* least one bus connection object. */
902	assert(m->n_ref > 0 \|\| m->n_queued > 0)do { if ((__builtin_expect(!!(!(m->n_ref > 0 \|\| m->n_queued > 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("m->n_ref > 0 \|\| m->n_queued > 0" ), "../src/libsystemd/sd-bus/bus-message.c", 902, __PRETTY_FUNCTION__ ); } while (0);
903
904	m->n_ref++;
905
906	/* Each user reference to a bus message shall also be considered a ref on the bus */
907	sd_bus_ref(m->bus);
908	return m;
909	}
910
911	_public___attribute__ ((visibility("default"))) sd_bus_message* sd_bus_message_unref(sd_bus_message *m) {
912	if (!m)
913	return NULL((void*)0);
914
915	assert(m->n_ref > 0)do { if ((__builtin_expect(!!(!(m->n_ref > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->n_ref > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 915, __PRETTY_FUNCTION__); } while (0);
916
917	sd_bus_unref(m->bus); /* Each regular ref is also a ref on the bus connection. Let's hence drop it
918	* here. Note we have to do this before decrementing our own n_ref here, since
919	* otherwise, if this message is currently queued sd_bus_unref() might call
920	* bus_message_unref_queued() for this which might then destroy the message
921	* while we are still processing it. */
922	m->n_ref--;
923
924	if (m->n_ref > 0 \|\| m->n_queued > 0)
925	return NULL((void*)0);
926
927	/* Unset the bus field if neither the user has a reference nor this message is queued. We are careful
928	* to reset the field only after the last reference to the bus is dropped, after all we might keep
929	* multiple references to the bus, once for each reference kept on outselves. */
930	m->bus = NULL((void*)0);
931
932	return message_free(m);
933	}
934
935	sd_bus_message* bus_message_ref_queued(sd_bus_message m, sd_bus bus) {
936	if (!m)
937	return NULL((void*)0);
938
939	/* If this is a different bus than the message is associated with, then implicitly turn this into a
940	* regular reference. This means that you can create a memory leak by enqueuing a message generated
941	* on one bus onto another at the same time as enqueueing a message from the second one on the first,
942	* as we'll not detect the cyclic references there. */
943	if (bus != m->bus)
944	return sd_bus_message_ref(m);
945
946	assert(m->n_ref > 0 \|\| m->n_queued > 0)do { if ((__builtin_expect(!!(!(m->n_ref > 0 \|\| m->n_queued > 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("m->n_ref > 0 \|\| m->n_queued > 0" ), "../src/libsystemd/sd-bus/bus-message.c", 946, __PRETTY_FUNCTION__ ); } while (0);
947	m->n_queued++;
948
949	return m;
950	}
951
952	sd_bus_message* bus_message_unref_queued(sd_bus_message m, sd_bus bus) {
953	if (!m)
954	return NULL((void*)0);
955
956	if (bus != m->bus)
957	return sd_bus_message_unref(m);
958
959	assert(m->n_queued > 0)do { if ((__builtin_expect(!!(!(m->n_queued > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->n_queued > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 959, __PRETTY_FUNCTION__); } while (0);
960	m->n_queued--;
961
962	if (m->n_ref > 0 \|\| m->n_queued > 0)
963	return NULL((void*)0);
964
965	m->bus = NULL((void*)0);
966
967	return message_free(m);
968	}
969
970	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_type(sd_bus_message m, uint8_t type) {
971	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 971, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
972	assert_return(type, -EINVAL)do { if (!(((__builtin_expect(!!(type),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("type"), "../src/libsystemd/sd-bus/bus-message.c" , 972, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
973
974	*type = m->header->type;
975	return 0;
976	}
977
978	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_cookie(sd_bus_message m, uint64_t cookie) {
979	uint64_t c;
980
981	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 981, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
982	assert_return(cookie, -EINVAL)do { if (!(((__builtin_expect(!!(cookie),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("cookie"), "../src/libsystemd/sd-bus/bus-message.c" , 982, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
983
984	c = BUS_MESSAGE_COOKIE(m);
985	if (c == 0)
986	return -ENODATA61;
987
988	*cookie = BUS_MESSAGE_COOKIE(m);
989	return 0;
990	}
991
992	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_reply_cookie(sd_bus_message m, uint64_t cookie) {
993	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 993, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
994	assert_return(cookie, -EINVAL)do { if (!(((__builtin_expect(!!(cookie),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("cookie"), "../src/libsystemd/sd-bus/bus-message.c" , 994, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
995
996	if (m->reply_cookie == 0)
997	return -ENODATA61;
998
999	*cookie = m->reply_cookie;
1000	return 0;
1001	}
1002
1003	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_expect_reply(sd_bus_message *m) {
1004	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1004, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1005
1006	return m->header->type == SD_BUS_MESSAGE_METHOD_CALL &&
1007	!(m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED);
1008	}
1009
1010	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_auto_start(sd_bus_message *m) {
1011	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1011, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1012
1013	return !(m->header->flags & BUS_MESSAGE_NO_AUTO_START);
1014	}
1015
1016	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m) {
1017	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1017, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1018
1019	return m->header->type == SD_BUS_MESSAGE_METHOD_CALL &&
1020	(m->header->flags & BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION);
1021	}
1022
1023	_public___attribute__ ((visibility("default"))) const char sd_bus_message_get_path(sd_bus_message m) {
1024	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1024, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1025
1026	return m->path;
1027	}
1028
1029	_public___attribute__ ((visibility("default"))) const char sd_bus_message_get_interface(sd_bus_message m) {
1030	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1030, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1031
1032	return m->interface;
1033	}
1034
1035	_public___attribute__ ((visibility("default"))) const char sd_bus_message_get_member(sd_bus_message m) {
1036	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1036, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1037
1038	return m->member;
1039	}
1040
1041	_public___attribute__ ((visibility("default"))) const char sd_bus_message_get_destination(sd_bus_message m) {
1042	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1042, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1043
1044	return m->destination;
1045	}
1046
1047	_public___attribute__ ((visibility("default"))) const char sd_bus_message_get_sender(sd_bus_message m) {
1048	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1048, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1049
1050	return m->sender;
1051	}
1052
1053	_public___attribute__ ((visibility("default"))) const sd_bus_error sd_bus_message_get_error(sd_bus_message m) {
1054	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1054, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1055
1056	if (!sd_bus_error_is_set(&m->error))
1057	return NULL((void*)0);
1058
1059	return &m->error;
1060	}
1061
1062	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_monotonic_usec(sd_bus_message m, uint64_t usec) {
1063	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1063, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1064	assert_return(usec, -EINVAL)do { if (!(((__builtin_expect(!!(usec),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("usec"), "../src/libsystemd/sd-bus/bus-message.c" , 1064, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1065
1066	if (m->monotonic <= 0)
1067	return -ENODATA61;
1068
1069	*usec = m->monotonic;
1070	return 0;
1071	}
1072
1073	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_realtime_usec(sd_bus_message m, uint64_t usec) {
1074	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1074, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1075	assert_return(usec, -EINVAL)do { if (!(((__builtin_expect(!!(usec),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("usec"), "../src/libsystemd/sd-bus/bus-message.c" , 1075, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1076
1077	if (m->realtime <= 0)
1078	return -ENODATA61;
1079
1080	*usec = m->realtime;
1081	return 0;
1082	}
1083
1084	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_seqnum(sd_bus_message m, uint64_t seqnum) {
1085	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1085, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1086	assert_return(seqnum, -EINVAL)do { if (!(((__builtin_expect(!!(seqnum),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("seqnum"), "../src/libsystemd/sd-bus/bus-message.c" , 1086, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1087
1088	if (m->seqnum <= 0)
1089	return -ENODATA61;
1090
1091	*seqnum = m->seqnum;
1092	return 0;
1093	}
1094
1095	_public___attribute__ ((visibility("default"))) sd_bus_creds sd_bus_message_get_creds(sd_bus_message m) {
1096	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1096, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
1097
1098	if (m->creds.mask == 0)
1099	return NULL((void*)0);
1100
1101	return &m->creds;
1102	}
1103
1104	_public___attribute__ ((visibility("default"))) int sd_bus_message_is_signal(
1105	sd_bus_message *m,
1106	const char *interface,
1107	const char *member) {
1108
1109	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1109, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1110
1111	if (m->header->type != SD_BUS_MESSAGE_SIGNAL)
1112	return 0;
1113
1114	if (interface && !streq_ptr(m->interface, interface))
1115	return 0;
1116
1117	if (member && !streq_ptr(m->member, member))
1118	return 0;
1119
1120	return 1;
1121	}
1122
1123	_public___attribute__ ((visibility("default"))) int sd_bus_message_is_method_call(
1124	sd_bus_message *m,
1125	const char *interface,
1126	const char *member) {
1127
1128	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1128, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1129
1130	if (m->header->type != SD_BUS_MESSAGE_METHOD_CALL)
1131	return 0;
1132
1133	if (interface && !streq_ptr(m->interface, interface))
1134	return 0;
1135
1136	if (member && !streq_ptr(m->member, member))
1137	return 0;
1138
1139	return 1;
1140	}
1141
1142	_public___attribute__ ((visibility("default"))) int sd_bus_message_is_method_error(sd_bus_message m, const char name) {
1143	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1143, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1144
1145	if (m->header->type != SD_BUS_MESSAGE_METHOD_ERROR)
1146	return 0;
1147
1148	if (name && !streq_ptr(m->error.name, name))
1149	return 0;
1150
1151	return 1;
1152	}
1153
1154	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_expect_reply(sd_bus_message *m, int b) {
1155	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1155, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1156	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1156, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1157	assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EPERM)do { if (!(((__builtin_expect(!!(m->header->type == SD_BUS_MESSAGE_METHOD_CALL ),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("m->header->type == SD_BUS_MESSAGE_METHOD_CALL"), "../src/libsystemd/sd-bus/bus-message.c" , 1157, __PRETTY_FUNCTION__), 0))) return (-1); } while (0);
1158
1159	SET_FLAG(m->header->flags, BUS_MESSAGE_NO_REPLY_EXPECTED, !b)(m->header->flags) = (!b) ? ((m->header->flags) \| (BUS_MESSAGE_NO_REPLY_EXPECTED)) : ((m->header->flags) & ~(BUS_MESSAGE_NO_REPLY_EXPECTED));
1160
1161	return 0;
1162	}
1163
1164	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_auto_start(sd_bus_message *m, int b) {
1165	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1165, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1166	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1166, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1167
1168	SET_FLAG(m->header->flags, BUS_MESSAGE_NO_AUTO_START, !b)(m->header->flags) = (!b) ? ((m->header->flags) \| (BUS_MESSAGE_NO_AUTO_START)) : ((m->header->flags) & ~(BUS_MESSAGE_NO_AUTO_START));
1169
1170	return 0;
1171	}
1172
1173	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b) {
1174	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1174, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1175	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1175, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1176
1177	SET_FLAG(m->header->flags, BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION, b)(m->header->flags) = (b) ? ((m->header->flags) \| ( BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION)) : ((m->header ->flags) & ~(BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION ));
1178
1179	return 0;
1180	}
1181
1182	struct bus_body_part message_append_part(sd_bus_message m) {
1183	struct bus_body_part *part;
1184
1185	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1185, __PRETTY_FUNCTION__); } while (0);
1186
1187	if (m->poisoned)
1188	return NULL((void*)0);
1189
1190	if (m->n_body_parts <= 0) {
1191	part = &m->body;
1192	zero(part)(({ size_t _l_ = (sizeof(part)); void _x_ = (&(part)); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); }));
1193	} else {
1194	assert(m->body_end)do { if ((__builtin_expect(!!(!(m->body_end)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->body_end"), "../src/libsystemd/sd-bus/bus-message.c" , 1194, __PRETTY_FUNCTION__); } while (0);
1195
1196	part = new0(struct bus_body_part, 1)((struct bus_body_part*) calloc((1), sizeof(struct bus_body_part )));
1197	if (!part) {
1198	m->poisoned = true1;
1199	return NULL((void*)0);
1200	}
1201
1202	m->body_end->next = part;
1203	}
1204
1205	part->memfd = -1;
1206	m->body_end = part;
1207	m->n_body_parts++;
1208
1209	return part;
1210	}
1211
1212	static void part_zero(struct bus_body_part *part, size_t sz) {
1213	assert(part)do { if ((__builtin_expect(!!(!(part)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part"), "../src/libsystemd/sd-bus/bus-message.c" , 1213, __PRETTY_FUNCTION__); } while (0);
1214	assert(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1214, __PRETTY_FUNCTION__); } while (0);
1215	assert(sz < 8)do { if ((__builtin_expect(!!(!(sz < 8)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz < 8"), "../src/libsystemd/sd-bus/bus-message.c" , 1215, __PRETTY_FUNCTION__); } while (0);
1216
1217	/* All other fields can be left in their defaults */
1218	assert(!part->data)do { if ((__builtin_expect(!!(!(!part->data)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("!part->data"), "../src/libsystemd/sd-bus/bus-message.c" , 1218, __PRETTY_FUNCTION__); } while (0);
1219	assert(part->memfd < 0)do { if ((__builtin_expect(!!(!(part->memfd < 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part->memfd < 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1219, __PRETTY_FUNCTION__); } while (0);
1220
1221	part->size = sz;
1222	part->is_zero = true1;
1223	part->sealed = true1;
1224	}
1225
1226	static int part_make_space(
1227	struct sd_bus_message *m,
1228	struct bus_body_part *part,
1229	size_t sz,
1230	void **q) {
1231
1232	void *n;
1233
1234	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1234, __PRETTY_FUNCTION__); } while (0);
1235	assert(part)do { if ((__builtin_expect(!!(!(part)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part"), "../src/libsystemd/sd-bus/bus-message.c" , 1235, __PRETTY_FUNCTION__); } while (0);
1236	assert(!part->sealed)do { if ((__builtin_expect(!!(!(!part->sealed)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("!part->sealed"), "../src/libsystemd/sd-bus/bus-message.c" , 1236, __PRETTY_FUNCTION__); } while (0);
1237
1238	if (m->poisoned)
1239	return -ENOMEM12;
1240
1241	if (part->allocated == 0 \|\| sz > part->allocated) {
1242	size_t new_allocated;
1243
1244	new_allocated = sz > 0 ? 2 * sz : 64;
1245	n = realloc(part->data, new_allocated);
1246	if (!n) {
1247	m->poisoned = true1;
1248	return -ENOMEM12;
1249	}
1250
1251	part->data = n;
1252	part->allocated = new_allocated;
1253	part->free_this = true1;
1254	}
1255
1256	if (q)
1257	q = part->data ? (uint8_t) part->data + part->size : NULL((void*)0);
1258
1259	part->size = sz;
1260	return 0;
1261	}
1262
1263	static int message_add_offset(sd_bus_message *m, size_t offset) {
1264	struct bus_container *c;
1265
1266	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1266, __PRETTY_FUNCTION__); } while (0);
1267	assert(BUS_MESSAGE_IS_GVARIANT(m))do { if ((__builtin_expect(!!(!(BUS_MESSAGE_IS_GVARIANT(m))), 0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("BUS_MESSAGE_IS_GVARIANT(m)" ), "../src/libsystemd/sd-bus/bus-message.c", 1267, __PRETTY_FUNCTION__ ); } while (0);
1268
1269	/* Add offset to current container, unless this is the first
1270	* item in it, which will have the 0 offset, which we can
1271	* ignore. */
1272	c = message_get_last_container(m);
1273
1274	if (!c->need_offsets)
1275	return 0;
1276
1277	if (!GREEDY_REALLOC(c->offsets, c->offsets_allocated, c->n_offsets + 1)greedy_realloc((void**) &(c->offsets), &(c->offsets_allocated ), (c->n_offsets + 1), sizeof((c->offsets)[0])))
1278	return -ENOMEM12;
1279
1280	c->offsets[c->n_offsets++] = offset;
1281	return 0;
1282	}
1283
1284	static void message_extend_containers(sd_bus_message *m, size_t expand) {
1285	struct bus_container *c;
1286
1287	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1287, __PRETTY_FUNCTION__); } while (0);
1288
1289	if (expand <= 0)
1290	return;
1291
1292	/* Update counters */
1293	for (c = m->containers; c < m->containers + m->n_containers; c++) {
1294
1295	if (c->array_size)
1296	*c->array_size += expand;
1297	}
1298	}
1299
1300	static void *message_extend_body(
1301	sd_bus_message *m,
1302	size_t align,
1303	size_t sz,
1304	bool_Bool add_offset,
1305	bool_Bool force_inline) {
1306
1307	size_t start_body, end_body, padding, added;
1308	void *p;
1309	int r;
1310
1311	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1311, __PRETTY_FUNCTION__); } while (0);
1312	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1312, __PRETTY_FUNCTION__); } while (0);
1313	assert(!m->sealed)do { if ((__builtin_expect(!!(!(!m->sealed)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("!m->sealed"), "../src/libsystemd/sd-bus/bus-message.c" , 1313, __PRETTY_FUNCTION__); } while (0);
1314
1315	if (m->poisoned)
1316	return NULL((void*)0);
1317
1318	start_body = ALIGN_TO((size_t) m->body_size, align);
1319	end_body = start_body + sz;
1320
1321	padding = start_body - m->body_size;
1322	added = padding + sz;
1323
1324	/* Check for 32bit overflows */
1325	if (end_body > (size_t) ((uint32_t) -1) \|\|
1326	end_body < start_body) {
1327	m->poisoned = true1;
1328	return NULL((void*)0);
1329	}
1330
1331	if (added > 0) {
1332	struct bus_body_part part = NULL((void)0);
1333	bool_Bool add_new_part;
1334
1335	add_new_part =
1336	m->n_body_parts <= 0 \|\|
1337	m->body_end->sealed \|\|
1338	(padding != ALIGN_TO(m->body_end->size, align) - m->body_end->size) \|\|
1339	(force_inline && m->body_end->size > MEMFD_MIN_SIZE(512*1024));
1340	/* If this must be an inlined extension, let's create a new part if
1341	* the previous part is large enough to be inlined. */
1342
1343	if (add_new_part) {
1344	if (padding > 0) {
1345	part = message_append_part(m);
1346	if (!part)
1347	return NULL((void*)0);
1348
1349	part_zero(part, padding);
1350	}
1351
1352	part = message_append_part(m);
1353	if (!part)
1354	return NULL((void*)0);
1355
1356	r = part_make_space(m, part, sz, &p);
1357	if (r < 0)
1358	return NULL((void*)0);
1359	} else {
1360	struct bus_container *c;
1361	void *op;
1362	size_t os, start_part, end_part;
1363
1364	part = m->body_end;
1365	op = part->data;
1366	os = part->size;
1367
1368	start_part = ALIGN_TO(part->size, align);
1369	end_part = start_part + sz;
1370
1371	r = part_make_space(m, part, end_part, &p);
1372	if (r < 0)
1373	return NULL((void*)0);
1374
1375	if (padding > 0) {
1376	memzero(p, padding)({ size_t _l_ = (padding); void *_x_ = (p); _l_ == 0 ? _x_ : memset (_x_, 0, _l_); });
1377	p = (uint8_t*) p + padding;
1378	}
1379
1380	/* Readjust pointers */
1381	for (c = m->containers; c < m->containers + m->n_containers; c++)
1382	c->array_size = adjust_pointer(c->array_size, op, os, part->data);
1383
1384	m->error.message = (const char*) adjust_pointer(m->error.message, op, os, part->data);
1385	}
1386	} else
1387	/* Return something that is not NULL and is aligned */
1388	p = (uint8_t*) align;
1389
1390	m->body_size = end_body;
1391	message_extend_containers(m, added);
1392
1393	if (add_offset) {
1394	r = message_add_offset(m, end_body);
1395	if (r < 0) {
1396	m->poisoned = true1;
1397	return NULL((void*)0);
1398	}
1399	}
1400
1401	return p;
1402	}
1403
1404	static int message_push_fd(sd_bus_message *m, int fd) {
1405	int *f, copy;
1406
1407	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1407, __PRETTY_FUNCTION__); } while (0);
1408
1409	if (fd < 0)
1410	return -EINVAL22;
1411
1412	if (!m->allow_fds)
1413	return -EOPNOTSUPP95;
1414
1415	copy = fcntl(fd, F_DUPFD_CLOEXEC1030, 3);
1416	if (copy < 0)
1417	return -errno(*__errno_location ());
1418
1419	f = reallocarray(m->fds, sizeof(int), m->n_fds + 1);
1420	if (!f) {
1421	m->poisoned = true1;
1422	safe_close(copy);
1423	return -ENOMEM12;
1424	}
1425
1426	m->fds = f;
1427	m->fds[m->n_fds] = copy;
1428	m->free_fds = true1;
1429
1430	return copy;
1431	}
1432
1433	int message_append_basic(sd_bus_message m, char type, const void p, const void **stored) {
1434	_cleanup_close___attribute__((cleanup(closep))) int fd = -1;
1435	struct bus_container *c;
1436	ssize_t align, sz;
1437	void *a;
1438
1439	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1439, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1440	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1440, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1441	assert_return(bus_type_is_basic(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_basic(type)),1)) ) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus_type_is_basic(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 1441, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1442	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 1442, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
1443
1444	c = message_get_last_container(m);
1445
1446	if (c->signature && c->signature[c->index]) {
1447	/* Container signature is already set */
1448
1449	if (c->signature[c->index] != type)
1450	return -ENXIO6;
1451	} else {
1452	char *e;
1453
1454	/* Maybe we can append to the signature? But only if this is the top-level container */
1455	if (c->enclosing != 0)
1456	return -ENXIO6;
1457
1458	e = strextend(&c->signature, CHAR_TO_STR(type), NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { type, 0 }), ((void)0));
1459	if (!e) {
1460	m->poisoned = true1;
1461	return -ENOMEM12;
1462	}
1463	}
1464
1465	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1466	uint8_t u8;
1467	uint32_t u32;
1468
1469	switch (type) {
1470
1471	case SD_BUS_TYPE_SIGNATURE:
1472	case SD_BUS_TYPE_STRING:
1473	p = strempty(p);
1474
1475	_fallthrough_;
1476	case SD_BUS_TYPE_OBJECT_PATH:
1477	if (!p)
1478	return -EINVAL22;
1479
1480	align = 1;
1481	sz = strlen(p) + 1;
1482	break;
1483
1484	case SD_BUS_TYPE_BOOLEAN:
1485
1486	u8 = p && (int) p;
1487	p = &u8;
1488
1489	align = sz = 1;
1490	break;
1491
1492	case SD_BUS_TYPE_UNIX_FD:
1493
1494	if (!p)
1495	return -EINVAL22;
1496
1497	fd = message_push_fd(m, (int) p);
1498	if (fd < 0)
1499	return fd;
1500
1501	u32 = m->n_fds;
1502	p = &u32;
1503
1504	align = sz = 4;
1505	break;
1506
1507	default:
1508	align = bus_gvariant_get_alignment(CHAR_TO_STR(type)((char[2]) { type, 0 }));
1509	sz = bus_gvariant_get_size(CHAR_TO_STR(type)((char[2]) { type, 0 }));
1510	break;
1511	}
1512
1513	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1513, __PRETTY_FUNCTION__); } while (0);
1514	assert(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1514, __PRETTY_FUNCTION__); } while (0);
1515
1516	a = message_extend_body(m, align, sz, true1, false0);
1517	if (!a)
1518	return -ENOMEM12;
1519
1520	memcpy(a, p, sz);
1521
1522	if (stored)
1523	stored = (const uint8_t) a;
1524
1525	} else {
1526	uint32_t u32;
1527
1528	switch (type) {
1529
1530	case SD_BUS_TYPE_STRING:
1531	/* To make things easy we'll serialize a NULL string
1532	* into the empty string */
1533	p = strempty(p);
1534
1535	_fallthrough_;
1536	case SD_BUS_TYPE_OBJECT_PATH:
1537
1538	if (!p)
1539	return -EINVAL22;
1540
1541	align = 4;
1542	sz = 4 + strlen(p) + 1;
1543	break;
1544
1545	case SD_BUS_TYPE_SIGNATURE:
1546
1547	p = strempty(p);
1548
1549	align = 1;
1550	sz = 1 + strlen(p) + 1;
1551	break;
1552
1553	case SD_BUS_TYPE_BOOLEAN:
1554
1555	u32 = p && (int) p;
1556	p = &u32;
1557
1558	align = sz = 4;
1559	break;
1560
1561	case SD_BUS_TYPE_UNIX_FD:
1562
1563	if (!p)
1564	return -EINVAL22;
1565
1566	fd = message_push_fd(m, (int) p);
1567	if (fd < 0)
1568	return fd;
1569
1570	u32 = m->n_fds;
1571	p = &u32;
1572
1573	align = sz = 4;
1574	break;
1575
1576	default:
1577	align = bus_type_get_alignment(type);
1578	sz = bus_type_get_size(type);
1579	break;
1580	}
1581
1582	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1582, __PRETTY_FUNCTION__); } while (0);
1583	assert(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 1583, __PRETTY_FUNCTION__); } while (0);
1584
1585	a = message_extend_body(m, align, sz, false0, false0);
1586	if (!a)
1587	return -ENOMEM12;
1588
1589	if (IN_SET(type, SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH })/sizeof(int)]; switch(type) { case SD_BUS_TYPE_STRING: case SD_BUS_TYPE_OBJECT_PATH: _found = 1; break; default: break; } _found; })) {
1590	(uint32_t) a = sz - 5;
1591	memcpy((uint8_t*) a + 4, p, sz - 4);
1592
1593	if (stored)
1594	stored = (const uint8_t) a + 4;
1595
1596	} else if (type == SD_BUS_TYPE_SIGNATURE) {
1597	(uint8_t) a = sz - 2;
1598	memcpy((uint8_t*) a + 1, p, sz - 1);
1599
1600	if (stored)
1601	stored = (const uint8_t) a + 1;
1602	} else {
1603	memcpy(a, p, sz);
1604
1605	if (stored)
1606	*stored = a;
1607	}
1608	}
1609
1610	if (type == SD_BUS_TYPE_UNIX_FD)
1611	m->n_fds++;
1612
1613	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1614	c->index++;
1615
1616	fd = -1;
1617	return 0;
1618	}
1619
1620	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_basic(sd_bus_message m, char type, const void p) {
1621	return message_append_basic(m, type, p, NULL((void*)0));
1622	}
1623
1624	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_string_space(
1625	sd_bus_message *m,
1626	size_t size,
1627	char **s) {
1628
1629	struct bus_container *c;
1630	void *a;
1631
1632	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1632, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1633	assert_return(s, -EINVAL)do { if (!(((__builtin_expect(!!(s),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("s"), "../src/libsystemd/sd-bus/bus-message.c" , 1633, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1634	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1634, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1635	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 1635, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
1636
1637	c = message_get_last_container(m);
1638
1639	if (c->signature && c->signature[c->index]) {
1640	/* Container signature is already set */
1641
1642	if (c->signature[c->index] != SD_BUS_TYPE_STRING)
1643	return -ENXIO6;
1644	} else {
1645	char *e;
1646
1647	/* Maybe we can append to the signature? But only if this is the top-level container */
1648	if (c->enclosing != 0)
1649	return -ENXIO6;
1650
1651	e = strextend(&c->signature, CHAR_TO_STR(SD_BUS_TYPE_STRING), NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { SD_BUS_TYPE_STRING, 0 }), ((void)0));
1652	if (!e) {
1653	m->poisoned = true1;
1654	return -ENOMEM12;
1655	}
1656	}
1657
1658	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1659	a = message_extend_body(m, 1, size + 1, true1, false0);
1660	if (!a)
1661	return -ENOMEM12;
1662
1663	*s = a;
1664	} else {
1665	a = message_extend_body(m, 4, 4 + size + 1, false0, false0);
1666	if (!a)
1667	return -ENOMEM12;
1668
1669	(uint32_t) a = size;
1670	s = (char) a + 4;
1671	}
1672
1673	(*s)[size] = 0;
1674
1675	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1676	c->index++;
1677
1678	return 0;
1679	}
1680
1681	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_string_iovec(
1682	sd_bus_message *m,
1683	const struct iovec *iov,
1684	unsigned n /* should be size_t, but is API now… 😞 */) {
1685
1686	size_t size;
1687	unsigned i;
1688	char *p;
1689	int r;
1690
1691	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1691, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
1692	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 1692, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
1693	assert_return(iov \|\| n == 0, -EINVAL)do { if (!(((__builtin_expect(!!(iov \|\| n == 0),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("iov \|\| n == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 1693, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
1694	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 1694, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
1695
1696	size = IOVEC_TOTAL_SIZE(iov, n);
1697
1698	r = sd_bus_message_append_string_space(m, size, &p);
1699	if (r < 0)
1700	return r;
1701
1702	for (i = 0; i < n; i++) {
1703
1704	if (iov[i].iov_base)
1705	memcpy(p, iov[i].iov_base, iov[i].iov_len);
1706	else
1707	memset(p, ' ', iov[i].iov_len);
1708
1709	p += iov[i].iov_len;
1710	}
1711
1712	return 0;
1713	}
1714
1715	static int bus_message_open_array(
1716	sd_bus_message *m,
1717	struct bus_container *c,
1718	const char *contents,
1719	uint32_t **array_size,
1720	size_t *begin,
1721	bool_Bool *need_offsets) {
1722
1723	unsigned nindex;
1724	int alignment, r;
1725
1726	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1726, __PRETTY_FUNCTION__); } while (0);
1727	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 1727, __PRETTY_FUNCTION__); } while (0);
1728	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 1728, __PRETTY_FUNCTION__); } while (0);
1729	assert(array_size)do { if ((__builtin_expect(!!(!(array_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("array_size"), "../src/libsystemd/sd-bus/bus-message.c" , 1729, __PRETTY_FUNCTION__); } while (0);
1730	assert(begin)do { if ((__builtin_expect(!!(!(begin)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("begin"), "../src/libsystemd/sd-bus/bus-message.c" , 1730, __PRETTY_FUNCTION__); } while (0);
1731	assert(need_offsets)do { if ((__builtin_expect(!!(!(need_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("need_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 1731, __PRETTY_FUNCTION__); } while (0);
1732
1733	if (!signature_is_single(contents, true1))
1734	return -EINVAL22;
1735
1736	if (c->signature && c->signature[c->index]) {
1737
1738	/* Verify the existing signature */
1739
1740	if (c->signature[c->index] != SD_BUS_TYPE_ARRAY)
1741	return -ENXIO6;
1742
1743	if (!startswith(c->signature + c->index + 1, contents))
1744	return -ENXIO6;
1745
1746	nindex = c->index + 1 + strlen(contents);
1747	} else {
1748	char *e;
1749
1750	if (c->enclosing != 0)
1751	return -ENXIO6;
1752
1753	/* Extend the existing signature */
1754
1755	e = strextend(&c->signature, CHAR_TO_STR(SD_BUS_TYPE_ARRAY), contents, NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { SD_BUS_TYPE_ARRAY, 0 }), contents, ((void)0));
1756	if (!e) {
1757	m->poisoned = true1;
1758	return -ENOMEM12;
1759	}
1760
1761	nindex = e - c->signature;
1762	}
1763
1764	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1765	alignment = bus_gvariant_get_alignment(contents);
1766	if (alignment < 0)
1767	return alignment;
1768
1769	/* Add alignment padding and add to offset list */
1770	if (!message_extend_body(m, alignment, 0, false0, false0))
1771	return -ENOMEM12;
1772
1773	r = bus_gvariant_is_fixed_size(contents);
1774	if (r < 0)
1775	return r;
1776
1777	*begin = m->body_size;
1778	*need_offsets = r == 0;
1779	} else {
1780	void a, op;
1781	size_t os;
1782	struct bus_body_part *o;
1783
1784	alignment = bus_type_get_alignment(contents[0]);
1785	if (alignment < 0)
1786	return alignment;
1787
1788	a = message_extend_body(m, 4, 4, false0, false0);
1789	if (!a)
1790	return -ENOMEM12;
1791
1792	o = m->body_end;
1793	op = m->body_end->data;
1794	os = m->body_end->size;
1795
1796	/* Add alignment between size and first element */
1797	if (!message_extend_body(m, alignment, 0, false0, false0))
1798	return -ENOMEM12;
1799
1800	/* location of array size might have changed so let's readjust a */
1801	if (o == m->body_end)
1802	a = adjust_pointer(a, op, os, m->body_end->data);
1803
1804	(uint32_t) a = 0;
1805	*array_size = a;
1806	}
1807
1808	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1809	c->index = nindex;
1810
1811	return 0;
1812	}
1813
1814	static int bus_message_open_variant(
1815	sd_bus_message *m,
1816	struct bus_container *c,
1817	const char *contents) {
1818
1819	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1819, __PRETTY_FUNCTION__); } while (0);
1820	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 1820, __PRETTY_FUNCTION__); } while (0);
1821	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 1821, __PRETTY_FUNCTION__); } while (0);
1822
1823	if (!signature_is_single(contents, false0))
1824	return -EINVAL22;
1825
1826	if (*contents == SD_BUS_TYPE_DICT_ENTRY_BEGIN)
1827	return -EINVAL22;
1828
1829	if (c->signature && c->signature[c->index]) {
1830
1831	if (c->signature[c->index] != SD_BUS_TYPE_VARIANT)
1832	return -ENXIO6;
1833
1834	} else {
1835	char *e;
1836
1837	if (c->enclosing != 0)
1838	return -ENXIO6;
1839
1840	e = strextend(&c->signature, CHAR_TO_STR(SD_BUS_TYPE_VARIANT), NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { SD_BUS_TYPE_VARIANT, 0 }), ((void)0));
1841	if (!e) {
1842	m->poisoned = true1;
1843	return -ENOMEM12;
1844	}
1845	}
1846
1847	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1848	/* Variants are always aligned to 8 */
1849
1850	if (!message_extend_body(m, 8, 0, false0, false0))
1851	return -ENOMEM12;
1852
1853	} else {
1854	size_t l;
1855	void *a;
1856
1857	l = strlen(contents);
1858	a = message_extend_body(m, 1, 1 + l + 1, false0, false0);
1859	if (!a)
1860	return -ENOMEM12;
1861
1862	(uint8_t) a = l;
1863	memcpy((uint8_t*) a + 1, contents, l + 1);
1864	}
1865
1866	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1867	c->index++;
1868
1869	return 0;
1870	}
1871
1872	static int bus_message_open_struct(
1873	sd_bus_message *m,
1874	struct bus_container *c,
1875	const char *contents,
1876	size_t *begin,
1877	bool_Bool *need_offsets) {
1878
1879	size_t nindex;
1880	int r;
1881
1882	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1882, __PRETTY_FUNCTION__); } while (0);
1883	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 1883, __PRETTY_FUNCTION__); } while (0);
1884	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 1884, __PRETTY_FUNCTION__); } while (0);
1885	assert(begin)do { if ((__builtin_expect(!!(!(begin)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("begin"), "../src/libsystemd/sd-bus/bus-message.c" , 1885, __PRETTY_FUNCTION__); } while (0);
1886	assert(need_offsets)do { if ((__builtin_expect(!!(!(need_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("need_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 1886, __PRETTY_FUNCTION__); } while (0);
1887
1888	if (!signature_is_valid(contents, false0))
1889	return -EINVAL22;
1890
1891	if (c->signature && c->signature[c->index]) {
1892	size_t l;
1893
1894	l = strlen(contents);
1895
1896	if (c->signature[c->index] != SD_BUS_TYPE_STRUCT_BEGIN \|\|
1897	!startswith(c->signature + c->index + 1, contents) \|\|
1898	c->signature[c->index + 1 + l] != SD_BUS_TYPE_STRUCT_END)
1899	return -ENXIO6;
1900
1901	nindex = c->index + 1 + l + 1;
1902	} else {
1903	char *e;
1904
1905	if (c->enclosing != 0)
1906	return -ENXIO6;
1907
1908	e = strextend(&c->signature, CHAR_TO_STR(SD_BUS_TYPE_STRUCT_BEGIN), contents, CHAR_TO_STR(SD_BUS_TYPE_STRUCT_END), NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { SD_BUS_TYPE_STRUCT_BEGIN, 0 }), contents, ((char[2 ]) { SD_BUS_TYPE_STRUCT_END, 0 }), ((void)0));
1909	if (!e) {
1910	m->poisoned = true1;
1911	return -ENOMEM12;
1912	}
1913
1914	nindex = e - c->signature;
1915	}
1916
1917	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1918	int alignment;
1919
1920	alignment = bus_gvariant_get_alignment(contents);
1921	if (alignment < 0)
1922	return alignment;
1923
1924	if (!message_extend_body(m, alignment, 0, false0, false0))
1925	return -ENOMEM12;
1926
1927	r = bus_gvariant_is_fixed_size(contents);
1928	if (r < 0)
1929	return r;
1930
1931	*begin = m->body_size;
1932	*need_offsets = r == 0;
1933	} else {
1934	/* Align contents to 8 byte boundary */
1935	if (!message_extend_body(m, 8, 0, false0, false0))
1936	return -ENOMEM12;
1937	}
1938
1939	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1940	c->index = nindex;
1941
1942	return 0;
1943	}
1944
1945	static int bus_message_open_dict_entry(
1946	sd_bus_message *m,
1947	struct bus_container *c,
1948	const char *contents,
1949	size_t *begin,
1950	bool_Bool *need_offsets) {
1951
1952	int r;
1953
1954	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 1954, __PRETTY_FUNCTION__); } while (0);
1955	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 1955, __PRETTY_FUNCTION__); } while (0);
1956	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 1956, __PRETTY_FUNCTION__); } while (0);
1957	assert(begin)do { if ((__builtin_expect(!!(!(begin)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("begin"), "../src/libsystemd/sd-bus/bus-message.c" , 1957, __PRETTY_FUNCTION__); } while (0);
1958	assert(need_offsets)do { if ((__builtin_expect(!!(!(need_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("need_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 1958, __PRETTY_FUNCTION__); } while (0);
1959
1960	if (!signature_is_pair(contents))
1961	return -EINVAL22;
1962
1963	if (c->enclosing != SD_BUS_TYPE_ARRAY)
1964	return -ENXIO6;
1965
1966	if (c->signature && c->signature[c->index]) {
1967	size_t l;
1968
1969	l = strlen(contents);
1970
1971	if (c->signature[c->index] != SD_BUS_TYPE_DICT_ENTRY_BEGIN \|\|
1972	!startswith(c->signature + c->index + 1, contents) \|\|
1973	c->signature[c->index + 1 + l] != SD_BUS_TYPE_DICT_ENTRY_END)
1974	return -ENXIO6;
1975	} else
1976	return -ENXIO6;
1977
1978	if (BUS_MESSAGE_IS_GVARIANT(m)) {
1979	int alignment;
1980
1981	alignment = bus_gvariant_get_alignment(contents);
1982	if (alignment < 0)
1983	return alignment;
1984
1985	if (!message_extend_body(m, alignment, 0, false0, false0))
1986	return -ENOMEM12;
1987
1988	r = bus_gvariant_is_fixed_size(contents);
1989	if (r < 0)
1990	return r;
1991
1992	*begin = m->body_size;
1993	*need_offsets = r == 0;
1994	} else {
1995	/* Align contents to 8 byte boundary */
1996	if (!message_extend_body(m, 8, 0, false0, false0))
1997	return -ENOMEM12;
1998	}
1999
2000	return 0;
2001	}
2002
2003	_public___attribute__ ((visibility("default"))) int sd_bus_message_open_container(
2004	sd_bus_message *m,
2005	char type,
2006	const char *contents) {
2007
2008	struct bus_container *c;
2009	uint32_t array_size = NULL((void)0);
2010	_cleanup_free___attribute__((cleanup(freep))) char signature = NULL((void)0);
2011	size_t before, begin = 0;
2012	bool_Bool need_offsets = false0;
2013	int r;
2014
2015	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2015, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2016	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2016, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2017	assert_return(contents, -EINVAL)do { if (!(((__builtin_expect(!!(contents),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 2017, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2018	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2018, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2019
2020	/* Make sure we have space for one more container */
2021	if (!GREEDY_REALLOC(m->containers, m->containers_allocated, m->n_containers + 1)greedy_realloc((void**) &(m->containers), &(m-> containers_allocated), (m->n_containers + 1), sizeof((m-> containers)[0]))) {
2022	m->poisoned = true1;
2023	return -ENOMEM12;
2024	}
2025
2026	c = message_get_last_container(m);
2027
2028	signature = strdup(contents);
2029	if (!signature) {
2030	m->poisoned = true1;
2031	return -ENOMEM12;
2032	}
2033
2034	/* Save old index in the parent container, in case we have to
2035	* abort this container */
2036	c->saved_index = c->index;
2037	before = m->body_size;
2038
2039	if (type == SD_BUS_TYPE_ARRAY)
2040	r = bus_message_open_array(m, c, contents, &array_size, &begin, &need_offsets);
2041	else if (type == SD_BUS_TYPE_VARIANT)
2042	r = bus_message_open_variant(m, c, contents);
2043	else if (type == SD_BUS_TYPE_STRUCT)
2044	r = bus_message_open_struct(m, c, contents, &begin, &need_offsets);
2045	else if (type == SD_BUS_TYPE_DICT_ENTRY)
2046	r = bus_message_open_dict_entry(m, c, contents, &begin, &need_offsets);
2047	else
2048	r = -EINVAL22;
2049	if (r < 0)
2050	return r;
2051
2052	/* OK, let's fill it in */
2053	m->containers[m->n_containers++] = (struct bus_container) {
2054	.enclosing = type,
2055	.signature = TAKE_PTR(signature)({ typeof(signature) _ptr_ = (signature); (signature) = ((void *)0); _ptr_; }),
2056	.array_size = array_size,
2057	.before = before,
2058	.begin = begin,
2059	.need_offsets = need_offsets,
2060	};
2061
2062	return 0;
2063	}
2064
2065	static int bus_message_close_array(sd_bus_message m, struct bus_container c) {
2066
2067	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2067, __PRETTY_FUNCTION__); } while (0);
2068	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 2068, __PRETTY_FUNCTION__); } while (0);
2069
2070	if (!BUS_MESSAGE_IS_GVARIANT(m))
2071	return 0;
2072
2073	if (c->need_offsets) {
2074	size_t payload, sz, i;
2075	uint8_t *a;
2076
2077	/* Variable-width arrays */
2078
2079	payload = c->n_offsets > 0 ? c->offsets[c->n_offsets-1] - c->begin : 0;
2080	sz = bus_gvariant_determine_word_size(payload, c->n_offsets);
2081
2082	a = message_extend_body(m, 1, sz * c->n_offsets, true1, false0);
2083	if (!a)
2084	return -ENOMEM12;
2085
2086	for (i = 0; i < c->n_offsets; i++)
2087	bus_gvariant_write_word_le(a + sz*i, sz, c->offsets[i] - c->begin);
2088	} else {
2089	void *a;
2090
2091	/* Fixed-width or empty arrays */
2092
2093	a = message_extend_body(m, 1, 0, true1, false0); /* let's add offset to parent */
2094	if (!a)
2095	return -ENOMEM12;
2096	}
2097
2098	return 0;
2099	}
2100
2101	static int bus_message_close_variant(sd_bus_message m, struct bus_container c) {
2102	uint8_t *a;
2103	size_t l;
2104
2105	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2105, __PRETTY_FUNCTION__); } while (0);
2106	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 2106, __PRETTY_FUNCTION__); } while (0);
2107	assert(c->signature)do { if ((__builtin_expect(!!(!(c->signature)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c->signature"), "../src/libsystemd/sd-bus/bus-message.c" , 2107, __PRETTY_FUNCTION__); } while (0);
2108
2109	if (!BUS_MESSAGE_IS_GVARIANT(m))
2110	return 0;
2111
2112	l = strlen(c->signature);
2113
2114	a = message_extend_body(m, 1, 1 + l, true1, false0);
2115	if (!a)
2116	return -ENOMEM12;
2117
2118	a[0] = 0;
2119	memcpy(a+1, c->signature, l);
2120
2121	return 0;
2122	}
2123
2124	static int bus_message_close_struct(sd_bus_message m, struct bus_container c, bool_Bool add_offset) {
2125	bool_Bool fixed_size = true1;
2126	size_t n_variable = 0;
2127	unsigned i = 0;
2128	const char *p;
2129	uint8_t *a;
2130	int r;
2131
2132	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2132, __PRETTY_FUNCTION__); } while (0);
2133	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 2133, __PRETTY_FUNCTION__); } while (0);
2134
2135	if (!BUS_MESSAGE_IS_GVARIANT(m))
2136	return 0;
2137
2138	p = strempty(c->signature);
2139	while (*p != 0) {
2140	size_t n;
2141
2142	r = signature_element_length(p, &n);
2143	if (r < 0)
2144	return r;
2145	else {
2146	char t[n+1];
2147
2148	memcpy(t, p, n);
2149	t[n] = 0;
2150
2151	r = bus_gvariant_is_fixed_size(t);
2152	if (r < 0)
2153	return r;
2154	}
2155
2156	assert(!c->need_offsets \|\| i <= c->n_offsets)do { if ((__builtin_expect(!!(!(!c->need_offsets \|\| i <= c->n_offsets)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!c->need_offsets \|\| i <= c->n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 2156, __PRETTY_FUNCTION__); } while (0);
2157
2158	/* We need to add an offset for each item that has a
2159	* variable size and that is not the last one in the
2160	* list */
2161	if (r == 0)
2162	fixed_size = false0;
2163	if (r == 0 && p[n] != 0)
2164	n_variable++;
2165
2166	i++;
2167	p += n;
2168	}
2169
2170	assert(!c->need_offsets \|\| i == c->n_offsets)do { if ((__builtin_expect(!!(!(!c->need_offsets \|\| i == c ->n_offsets)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("!c->need_offsets \|\| i == c->n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 2170, __PRETTY_FUNCTION__); } while (0);
2171	assert(c->need_offsets \|\| n_variable == 0)do { if ((__builtin_expect(!!(!(c->need_offsets \|\| n_variable == 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("c->need_offsets \|\| n_variable == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2171, __PRETTY_FUNCTION__ ); } while (0);
2172
2173	if (isempty(c->signature)) {
2174	/* The unary type is encoded as fixed 1 byte padding */
2175	a = message_extend_body(m, 1, 1, add_offset, false0);
2176	if (!a)
2177	return -ENOMEM12;
2178
2179	*a = 0;
2180	} else if (n_variable <= 0) {
2181	int alignment = 1;
2182
2183	/* Structures with fixed-size members only have to be
2184	* fixed-size themselves. But gvariant requires all fixed-size
2185	* elements to be sized a multiple of their alignment. Hence,
2186	* we must always add final padding after the last member so
2187	* the overall size of the structure is properly aligned. */
2188	if (fixed_size)
2189	alignment = bus_gvariant_get_alignment(strempty(c->signature));
2190
2191	assert(alignment > 0)do { if ((__builtin_expect(!!(!(alignment > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("alignment > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2191, __PRETTY_FUNCTION__); } while (0);
2192
2193	a = message_extend_body(m, alignment, 0, add_offset, false0);
2194	if (!a)
2195	return -ENOMEM12;
2196	} else {
2197	size_t sz;
2198	unsigned j;
2199
2200	assert(c->offsets[c->n_offsets-1] == m->body_size)do { if ((__builtin_expect(!!(!(c->offsets[c->n_offsets -1] == m->body_size)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("c->offsets[c->n_offsets-1] == m->body_size"), "../src/libsystemd/sd-bus/bus-message.c" , 2200, __PRETTY_FUNCTION__); } while (0);
2201
2202	sz = bus_gvariant_determine_word_size(m->body_size - c->begin, n_variable);
2203
2204	a = message_extend_body(m, 1, sz * n_variable, add_offset, false0);
2205	if (!a)
2206	return -ENOMEM12;
2207
2208	p = strempty(c->signature);
2209	for (i = 0, j = 0; i < c->n_offsets; i++) {
2210	unsigned k;
2211	size_t n;
2212
2213	r = signature_element_length(p, &n);
2214	if (r < 0)
2215	return r;
2216	else {
2217	char t[n+1];
2218
2219	memcpy(t, p, n);
2220	t[n] = 0;
2221
2222	p += n;
2223
2224	r = bus_gvariant_is_fixed_size(t);
2225	if (r < 0)
2226	return r;
2227	if (r > 0 \|\| p[0] == 0)
2228	continue;
2229	}
2230
2231	k = n_variable - 1 - j;
2232
2233	bus_gvariant_write_word_le(a + k * sz, sz, c->offsets[i] - c->begin);
2234
2235	j++;
2236	}
2237	}
2238
2239	return 0;
2240	}
2241
2242	_public___attribute__ ((visibility("default"))) int sd_bus_message_close_container(sd_bus_message *m) {
2243	struct bus_container *c;
2244	int r;
2245
2246	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2246, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2247	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2247, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2248	assert_return(m->n_containers > 0, -EINVAL)do { if (!(((__builtin_expect(!!(m->n_containers > 0),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("m->n_containers > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2248, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2249	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2249, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2250
2251	c = message_get_last_container(m);
2252
2253	if (c->enclosing != SD_BUS_TYPE_ARRAY)
2254	if (c->signature && c->signature[c->index] != 0)
2255	return -EINVAL22;
2256
2257	m->n_containers--;
2258
2259	if (c->enclosing == SD_BUS_TYPE_ARRAY)
2260	r = bus_message_close_array(m, c);
2261	else if (c->enclosing == SD_BUS_TYPE_VARIANT)
2262	r = bus_message_close_variant(m, c);
2263	else if (IN_SET(c->enclosing, SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY })/sizeof(int)]; switch(c->enclosing) { case SD_BUS_TYPE_STRUCT : case SD_BUS_TYPE_DICT_ENTRY: _found = 1; break; default: break ; } _found; }))
2264	r = bus_message_close_struct(m, c, true1);
2265	else
2266	assert_not_reached("Unknown container type")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Unknown container type"), "../src/libsystemd/sd-bus/bus-message.c" , 2266, __PRETTY_FUNCTION__); } while (0);
2267
2268	free(c->signature);
2269	free(c->offsets);
2270
2271	return r;
2272	}
2273
2274	typedef struct {
2275	const char *types;
2276	unsigned n_struct;
2277	unsigned n_array;
2278	} TypeStack;
2279
2280	static int type_stack_push(TypeStack stack, unsigned max, unsigned i, const char *types, unsigned n_struct, unsigned n_array) {
2281	assert(stack)do { if ((__builtin_expect(!!(!(stack)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("stack"), "../src/libsystemd/sd-bus/bus-message.c" , 2281, __PRETTY_FUNCTION__); } while (0);
2282	assert(max > 0)do { if ((__builtin_expect(!!(!(max > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("max > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2282, __PRETTY_FUNCTION__); } while (0);
2283
2284	if (*i >= max)
2285	return -EINVAL22;
2286
2287	stack[*i].types = types;
2288	stack[*i].n_struct = n_struct;
2289	stack[*i].n_array = n_array;
2290	(*i)++;
2291
2292	return 0;
2293	}
2294
2295	static int type_stack_pop(TypeStack stack, unsigned max, unsigned i, const char *types, unsigned n_struct, unsigned *n_array) {
2296	assert(stack)do { if ((__builtin_expect(!!(!(stack)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("stack"), "../src/libsystemd/sd-bus/bus-message.c" , 2296, __PRETTY_FUNCTION__); } while (0);
2297	assert(max > 0)do { if ((__builtin_expect(!!(!(max > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("max > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2297, __PRETTY_FUNCTION__); } while (0);
2298	assert(types)do { if ((__builtin_expect(!!(!(types)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("types"), "../src/libsystemd/sd-bus/bus-message.c" , 2298, __PRETTY_FUNCTION__); } while (0);
2299	assert(n_struct)do { if ((__builtin_expect(!!(!(n_struct)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_struct"), "../src/libsystemd/sd-bus/bus-message.c" , 2299, __PRETTY_FUNCTION__); } while (0);
2300	assert(n_array)do { if ((__builtin_expect(!!(!(n_array)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_array"), "../src/libsystemd/sd-bus/bus-message.c" , 2300, __PRETTY_FUNCTION__); } while (0);
2301
2302	if (*i <= 0)
2303	return 0;
2304
2305	(*i)--;
2306	types = stack[i].types;
2307	n_struct = stack[i].n_struct;
2308	n_array = stack[i].n_array;
2309
2310	return 1;
2311	}
2312
2313	_public___attribute__ ((visibility("default"))) int sd_bus_message_appendv(
2314	sd_bus_message *m,
2315	const char *types,
2316	va_list ap) {
2317
2318	unsigned n_array, n_struct;
2319	TypeStack stack[BUS_CONTAINER_DEPTH128];
2320	unsigned stack_ptr = 0;
2321	int r;
2322
2323	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2323, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2324	assert_return(types, -EINVAL)do { if (!(((__builtin_expect(!!(types),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("types"), "../src/libsystemd/sd-bus/bus-message.c" , 2324, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2325	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2325, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2326	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2326, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2327
2328	n_array = (unsigned) -1;
2329	n_struct = strlen(types);
2330
2331	for (;;) {
2332	const char *t;
2333
2334	if (n_array == 0 \|\| (n_array == (unsigned) -1 && n_struct == 0)) {
2335	r = type_stack_pop(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, &types, &n_struct, &n_array);
2336	if (r < 0)
2337	return r;
2338	if (r == 0)
2339	break;
2340
2341	r = sd_bus_message_close_container(m);
2342	if (r < 0)
2343	return r;
2344
2345	continue;
2346	}
2347
2348	t = types;
2349	if (n_array != (unsigned) -1)
2350	n_array--;
2351	else {
2352	types++;
2353	n_struct--;
2354	}
2355
2356	switch (*t) {
2357
2358	case SD_BUS_TYPE_BYTE: {
2359	uint8_t x;
2360
2361	x = (uint8_t) va_arg(ap, int)__builtin_va_arg(ap, int);
2362	r = sd_bus_message_append_basic(m, *t, &x);
2363	break;
2364	}
2365
2366	case SD_BUS_TYPE_BOOLEAN:
2367	case SD_BUS_TYPE_INT32:
2368	case SD_BUS_TYPE_UINT32:
2369	case SD_BUS_TYPE_UNIX_FD: {
2370	uint32_t x;
2371
2372	/* We assume a boolean is the same as int32_t */
2373	assert_cc(sizeof(int32_t) == sizeof(int))GCC diagnostic push ; GCC diagnostic ignored "-Wdeclaration-after-statement" ; struct _assert_struct_16 { char x[(sizeof(int32_t) == sizeof (int)) ? 0 : -1]; }; GCC diagnostic pop ;
2374
2375	x = va_arg(ap, uint32_t)__builtin_va_arg(ap, uint32_t);
2376	r = sd_bus_message_append_basic(m, *t, &x);
2377	break;
2378	}
2379
2380	case SD_BUS_TYPE_INT16:
2381	case SD_BUS_TYPE_UINT16: {
2382	uint16_t x;
2383
2384	x = (uint16_t) va_arg(ap, int)__builtin_va_arg(ap, int);
2385	r = sd_bus_message_append_basic(m, *t, &x);
2386	break;
2387	}
2388
2389	case SD_BUS_TYPE_INT64:
2390	case SD_BUS_TYPE_UINT64: {
2391	uint64_t x;
2392
2393	x = va_arg(ap, uint64_t)__builtin_va_arg(ap, uint64_t);
2394	r = sd_bus_message_append_basic(m, *t, &x);
2395	break;
2396	}
2397
2398	case SD_BUS_TYPE_DOUBLE: {
2399	double x;
2400
2401	x = va_arg(ap, double)__builtin_va_arg(ap, double);
2402	r = sd_bus_message_append_basic(m, *t, &x);
2403	break;
2404	}
2405
2406	case SD_BUS_TYPE_STRING:
2407	case SD_BUS_TYPE_OBJECT_PATH:
2408	case SD_BUS_TYPE_SIGNATURE: {
2409	const char *x;
2410
2411	x = va_arg(ap, const char)__builtin_va_arg(ap, const char);
2412	r = sd_bus_message_append_basic(m, *t, x);
2413	break;
2414	}
2415
2416	case SD_BUS_TYPE_ARRAY: {
2417	size_t k;
2418
2419	r = signature_element_length(t + 1, &k);
2420	if (r < 0)
2421	return r;
2422
2423	{
2424	char s[k + 1];
2425	memcpy(s, t + 1, k);
2426	s[k] = 0;
2427
2428	r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, s);
2429	if (r < 0)
2430	return r;
2431	}
2432
2433	if (n_array == (unsigned) -1) {
2434	types += k;
2435	n_struct -= k;
2436	}
2437
2438	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
2439	if (r < 0)
2440	return r;
2441
2442	types = t + 1;
2443	n_struct = k;
2444	n_array = va_arg(ap, unsigned)__builtin_va_arg(ap, unsigned);
2445
2446	break;
2447	}
2448
2449	case SD_BUS_TYPE_VARIANT: {
2450	const char *s;
2451
2452	s = va_arg(ap, const char)__builtin_va_arg(ap, const char);
2453	if (!s)
2454	return -EINVAL22;
2455
2456	r = sd_bus_message_open_container(m, SD_BUS_TYPE_VARIANT, s);
2457	if (r < 0)
2458	return r;
2459
2460	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
2461	if (r < 0)
2462	return r;
2463
2464	types = s;
2465	n_struct = strlen(s);
2466	n_array = (unsigned) -1;
2467
2468	break;
2469	}
2470
2471	case SD_BUS_TYPE_STRUCT_BEGIN:
2472	case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
2473	size_t k;
2474
2475	r = signature_element_length(t, &k);
2476	if (r < 0)
2477	return r;
2478
2479	{
2480	char s[k - 1];
2481
2482	memcpy(s, t + 1, k - 2);
2483	s[k - 2] = 0;
2484
2485	r = sd_bus_message_open_container(m, *t == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
2486	if (r < 0)
2487	return r;
2488	}
2489
2490	if (n_array == (unsigned) -1) {
2491	types += k - 1;
2492	n_struct -= k - 1;
2493	}
2494
2495	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
2496	if (r < 0)
2497	return r;
2498
2499	types = t + 1;
2500	n_struct = k - 2;
2501	n_array = (unsigned) -1;
2502
2503	break;
2504	}
2505
2506	default:
2507	r = -EINVAL22;
2508	}
2509
2510	if (r < 0)
2511	return r;
2512	}
2513
2514	return 1;
2515	}
2516
2517	_public___attribute__ ((visibility("default"))) int sd_bus_message_append(sd_bus_message m, const char types, ...) {
2518	va_list ap;
2519	int r;
2520
2521	va_start(ap, types)__builtin_va_start(ap, types);
2522	r = sd_bus_message_appendv(m, types, ap);
2523	va_end(ap)__builtin_va_end(ap);
2524
2525	return r;
2526	}
2527
2528	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_array_space(
2529	sd_bus_message *m,
2530	char type,
2531	size_t size,
2532	void **ptr) {
2533
2534	ssize_t align, sz;
2535	void *a;
2536	int r;
2537
2538	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2538, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2539	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2539, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2540	assert_return(bus_type_is_trivial(type) && type != SD_BUS_TYPE_BOOLEAN, -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_trivial(type) && type != SD_BUS_TYPE_BOOLEAN),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("bus_type_is_trivial(type) && type != SD_BUS_TYPE_BOOLEAN" ), "../src/libsystemd/sd-bus/bus-message.c", 2540, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
2541	assert_return(ptr \|\| size == 0, -EINVAL)do { if (!(((__builtin_expect(!!(ptr \|\| size == 0),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("ptr \|\| size == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2541, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
2542	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2542, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2543
2544	/* alignment and size of the trivial types (except bool) is
2545	* identical for gvariant and dbus1 marshalling */
2546	align = bus_type_get_alignment(type);
2547	sz = bus_type_get_size(type);
2548
2549	assert_se(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2549, __PRETTY_FUNCTION__); } while (0);
2550	assert_se(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2550, __PRETTY_FUNCTION__); } while (0);
2551
2552	if (size % sz != 0)
2553	return -EINVAL22;
2554
2555	r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, CHAR_TO_STR(type)((char[2]) { type, 0 }));
2556	if (r < 0)
2557	return r;
2558
2559	a = message_extend_body(m, align, size, false0, false0);
2560	if (!a)
2561	return -ENOMEM12;
2562
2563	r = sd_bus_message_close_container(m);
2564	if (r < 0)
2565	return r;
2566
2567	*ptr = a;
2568	return 0;
2569	}
2570
2571	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_array(
2572	sd_bus_message *m,
2573	char type,
2574	const void *ptr,
2575	size_t size) {
2576	int r;
2577	void *p;
2578
2579	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2579, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2580	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2580, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2581	assert_return(bus_type_is_trivial(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_trivial(type)),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus_type_is_trivial(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 2581, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2582	assert_return(ptr \|\| size == 0, -EINVAL)do { if (!(((__builtin_expect(!!(ptr \|\| size == 0),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("ptr \|\| size == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2582, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
2583	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2583, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2584
2585	r = sd_bus_message_append_array_space(m, type, size, &p);
2586	if (r < 0)
2587	return r;
2588
2589	memcpy_safe(p, ptr, size);
2590
2591	return 0;
2592	}
2593
2594	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_array_iovec(
2595	sd_bus_message *m,
2596	char type,
2597	const struct iovec *iov,
2598	unsigned n /* should be size_t, but is API now… 😞 */) {
2599
2600	size_t size;
2601	unsigned i;
2602	void *p;
2603	int r;
2604
2605	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2605, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2606	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2606, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2607	assert_return(bus_type_is_trivial(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_trivial(type)),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus_type_is_trivial(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 2607, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2608	assert_return(iov \|\| n == 0, -EINVAL)do { if (!(((__builtin_expect(!!(iov \|\| n == 0),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("iov \|\| n == 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2608, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
2609	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2609, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2610
2611	size = IOVEC_TOTAL_SIZE(iov, n);
2612
2613	r = sd_bus_message_append_array_space(m, type, size, &p);
2614	if (r < 0)
2615	return r;
2616
2617	for (i = 0; i < n; i++) {
2618
2619	if (iov[i].iov_base)
2620	memcpy(p, iov[i].iov_base, iov[i].iov_len);
2621	else
2622	memzero(p, iov[i].iov_len)({ size_t _l_ = (iov[i].iov_len); void *_x_ = (p); _l_ == 0 ? _x_ : memset(_x_, 0, _l_); });
2623
2624	p = (uint8_t*) p + iov[i].iov_len;
2625	}
2626
2627	return 0;
2628	}
2629
2630	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_array_memfd(
2631	sd_bus_message *m,
2632	char type,
2633	int memfd,
2634	uint64_t offset,
2635	uint64_t size) {
2636
2637	_cleanup_close___attribute__((cleanup(closep))) int copy_fd = -1;
2638	struct bus_body_part *part;
2639	ssize_t align, sz;
2640	uint64_t real_size;
2641	void *a;
2642	int r;
2643
2644	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2644, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2645	assert_return(memfd >= 0, -EBADF)do { if (!(((__builtin_expect(!!(memfd >= 0),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("memfd >= 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2645, __PRETTY_FUNCTION__ ), 0))) return (-9); } while (0);
2646	assert_return(bus_type_is_trivial(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_trivial(type)),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus_type_is_trivial(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 2646, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2647	assert_return(size > 0, -EINVAL)do { if (!(((__builtin_expect(!!(size > 0),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("size > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2647, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2648	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2648, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2649	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2649, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2650
2651	r = memfd_set_sealed(memfd);
2652	if (r < 0)
2653	return r;
2654
2655	copy_fd = fcntl(memfd, F_DUPFD_CLOEXEC1030, 3);
2656	if (copy_fd < 0)
2657	return copy_fd;
2658
2659	r = memfd_get_size(memfd, &real_size);
2660	if (r < 0)
2661	return r;
2662
2663	if (offset == 0 && size == (uint64_t) -1)
2664	size = real_size;
2665	else if (offset + size > real_size)
2666	return -EMSGSIZE90;
2667
2668	align = bus_type_get_alignment(type);
2669	sz = bus_type_get_size(type);
2670
2671	assert_se(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2671, __PRETTY_FUNCTION__); } while (0);
2672	assert_se(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2672, __PRETTY_FUNCTION__); } while (0);
2673
2674	if (offset % align != 0)
2675	return -EINVAL22;
2676
2677	if (size % sz != 0)
2678	return -EINVAL22;
2679
2680	if (size > (uint64_t) (uint32_t) -1)
2681	return -EINVAL22;
2682
2683	r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, CHAR_TO_STR(type)((char[2]) { type, 0 }));
2684	if (r < 0)
2685	return r;
2686
2687	a = message_extend_body(m, align, 0, false0, false0);
2688	if (!a)
2689	return -ENOMEM12;
2690
2691	part = message_append_part(m);
2692	if (!part)
2693	return -ENOMEM12;
2694
2695	part->memfd = copy_fd;
2696	part->memfd_offset = offset;
2697	part->sealed = true1;
2698	part->size = size;
2699	copy_fd = -1;
2700
2701	m->body_size += size;
2702	message_extend_containers(m, size);
2703
2704	return sd_bus_message_close_container(m);
2705	}
2706
2707	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_string_memfd(
2708	sd_bus_message *m,
2709	int memfd,
2710	uint64_t offset,
2711	uint64_t size) {
2712
2713	_cleanup_close___attribute__((cleanup(closep))) int copy_fd = -1;
2714	struct bus_body_part *part;
2715	struct bus_container *c;
2716	uint64_t real_size;
2717	void *a;
2718	int r;
2719
2720	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2720, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2721	assert_return(memfd >= 0, -EBADF)do { if (!(((__builtin_expect(!!(memfd >= 0),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("memfd >= 0" ), "../src/libsystemd/sd-bus/bus-message.c", 2721, __PRETTY_FUNCTION__ ), 0))) return (-9); } while (0);
2722	assert_return(size > 0, -EINVAL)do { if (!(((__builtin_expect(!!(size > 0),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("size > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 2722, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2723	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2723, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2724	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2724, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2725
2726	r = memfd_set_sealed(memfd);
2727	if (r < 0)
2728	return r;
2729
2730	copy_fd = fcntl(memfd, FD_CLOEXEC1, 3);
2731	if (copy_fd < 0)
2732	return copy_fd;
2733
2734	r = memfd_get_size(memfd, &real_size);
2735	if (r < 0)
2736	return r;
2737
2738	if (offset == 0 && size == (uint64_t) -1)
2739	size = real_size;
2740	else if (offset + size > real_size)
2741	return -EMSGSIZE90;
2742
2743	/* We require this to be NUL terminated */
2744	if (size == 0)
2745	return -EINVAL22;
2746
2747	if (size > (uint64_t) (uint32_t) -1)
2748	return -EINVAL22;
2749
2750	c = message_get_last_container(m);
2751	if (c->signature && c->signature[c->index]) {
2752	/* Container signature is already set */
2753
2754	if (c->signature[c->index] != SD_BUS_TYPE_STRING)
2755	return -ENXIO6;
2756	} else {
2757	char *e;
2758
2759	/* Maybe we can append to the signature? But only if this is the top-level container */
2760	if (c->enclosing != 0)
2761	return -ENXIO6;
2762
2763	e = strextend(&c->signature, CHAR_TO_STR(SD_BUS_TYPE_STRING), NULL)strextend_with_separator(&c->signature, ((void)0), (( char[2]) { SD_BUS_TYPE_STRING, 0 }), ((void)0));
2764	if (!e) {
2765	m->poisoned = true1;
2766	return -ENOMEM12;
2767	}
2768	}
2769
2770	if (!BUS_MESSAGE_IS_GVARIANT(m)) {
2771	a = message_extend_body(m, 4, 4, false0, false0);
2772	if (!a)
2773	return -ENOMEM12;
2774
2775	(uint32_t) a = size - 1;
2776	}
2777
2778	part = message_append_part(m);
2779	if (!part)
2780	return -ENOMEM12;
2781
2782	part->memfd = copy_fd;
2783	part->memfd_offset = offset;
2784	part->sealed = true1;
2785	part->size = size;
2786	copy_fd = -1;
	Value stored to 'copy_fd' is never read
2787
2788	m->body_size += size;
2789	message_extend_containers(m, size);
2790
2791	if (BUS_MESSAGE_IS_GVARIANT(m)) {
2792	r = message_add_offset(m, m->body_size);
2793	if (r < 0) {
2794	m->poisoned = true1;
2795	return -ENOMEM12;
2796	}
2797	}
2798
2799	if (c->enclosing != SD_BUS_TYPE_ARRAY)
2800	c->index++;
2801
2802	return 0;
2803	}
2804
2805	_public___attribute__ ((visibility("default"))) int sd_bus_message_append_strv(sd_bus_message m, char *l) {
2806	char **i;
2807	int r;
2808
2809	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2809, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2810	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 2810, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
2811	assert_return(!m->poisoned, -ESTALE)do { if (!(((__builtin_expect(!!(!m->poisoned),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->poisoned" ), "../src/libsystemd/sd-bus/bus-message.c", 2811, __PRETTY_FUNCTION__ ), 0))) return (-116); } while (0);
2812
2813	r = sd_bus_message_open_container(m, 'a', "s");
2814	if (r < 0)
2815	return r;
2816
2817	STRV_FOREACH(i, l)for ((i) = (l); (i) && *(i); (i)++) {
2818	r = sd_bus_message_append_basic(m, 's', *i);
2819	if (r < 0)
2820	return r;
2821	}
2822
2823	return sd_bus_message_close_container(m);
2824	}
2825
2826	static int bus_message_close_header(sd_bus_message *m) {
2827
2828	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2828, __PRETTY_FUNCTION__); } while (0);
2829
2830	/* The actual user data is finished now, we just complete the
2831	variant and struct now (at least on gvariant). Remember
2832	this position, so that during parsing we know where to
2833	put the outer container end. */
2834	m->user_body_size = m->body_size;
2835
2836	if (BUS_MESSAGE_IS_GVARIANT(m)) {
2837	const char *signature;
2838	size_t sz, l;
2839	void *d;
2840
2841	/* Add offset table to end of fields array */
2842	if (m->n_header_offsets >= 1) {
2843	uint8_t *a;
2844	unsigned i;
2845
2846	assert(m->fields_size == m->header_offsets[m->n_header_offsets-1])do { if ((__builtin_expect(!!(!(m->fields_size == m->header_offsets [m->n_header_offsets-1])),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("m->fields_size == m->header_offsets[m->n_header_offsets-1]" ), "../src/libsystemd/sd-bus/bus-message.c", 2846, __PRETTY_FUNCTION__ ); } while (0);
2847
2848	sz = bus_gvariant_determine_word_size(m->fields_size, m->n_header_offsets);
2849	a = message_extend_fields(m, 1, sz * m->n_header_offsets, false0);
2850	if (!a)
2851	return -ENOMEM12;
2852
2853	for (i = 0; i < m->n_header_offsets; i++)
2854	bus_gvariant_write_word_le(a + sz*i, sz, m->header_offsets[i]);
2855	}
2856
2857	/* Add gvariant NUL byte plus signature to the end of
2858	* the body, followed by the final offset pointing to
2859	* the end of the fields array */
2860
2861	signature = strempty(m->root_container.signature);
2862	l = strlen(signature);
2863
2864	sz = bus_gvariant_determine_word_size(sizeof(struct bus_header) + ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7) + m->body_size + 1 + l + 2, 1);
2865	d = message_extend_body(m, 1, 1 + l + 2 + sz, false0, true1);
2866	if (!d)
2867	return -ENOMEM12;
2868
2869	(uint8_t) d = 0;
2870	((uint8_t) d + 1) = SD_BUS_TYPE_STRUCT_BEGIN;
2871	memcpy((uint8_t*) d + 2, signature, l);
2872	((uint8_t) d + 1 + l + 1) = SD_BUS_TYPE_STRUCT_END;
2873
2874	bus_gvariant_write_word_le((uint8_t*) d + 1 + l + 2, sz, sizeof(struct bus_header) + m->fields_size);
2875
2876	m->footer = d;
2877	m->footer_accessible = 1 + l + 2 + sz;
2878	} else {
2879	m->header->dbus1.fields_size = m->fields_size;
2880	m->header->dbus1.body_size = m->body_size;
2881	}
2882
2883	return 0;
2884	}
2885
2886	_public___attribute__ ((visibility("default"))) int sd_bus_message_seal(sd_bus_message *m, uint64_t cookie, uint64_t timeout_usec) {
2887	struct bus_body_part *part;
2888	size_t a;
2889	unsigned i;
2890	int r;
2891
2892	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 2892, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
2893
2894	if (m->sealed)
2895	return -EPERM1;
2896
2897	if (m->n_containers > 0)
2898	return -EBADMSG74;
2899
2900	if (m->poisoned)
2901	return -ESTALE116;
2902
2903	if (cookie > 0xffffffffULL &&
2904	!BUS_MESSAGE_IS_GVARIANT(m))
2905	return -EOPNOTSUPP95;
2906
2907	/* In vtables the return signature of method calls is listed,
2908	* let's check if they match if this is a response */
2909	if (m->header->type == SD_BUS_MESSAGE_METHOD_RETURN &&
2910	m->enforced_reply_signature &&
2911	!streq(strempty(m->root_container.signature), m->enforced_reply_signature)(strcmp((strempty(m->root_container.signature)),(m->enforced_reply_signature )) == 0))
2912	return -ENOMSG42;
2913
2914	/* If gvariant marshalling is used we need to close the body structure */
2915	r = bus_message_close_struct(m, &m->root_container, false0);
2916	if (r < 0)
2917	return r;
2918
2919	/* If there's a non-trivial signature set, then add it in
2920	* here, but only on dbus1 */
2921	if (!isempty(m->root_container.signature) && !BUS_MESSAGE_IS_GVARIANT(m)) {
2922	r = message_append_field_signature(m, BUS_MESSAGE_HEADER_SIGNATURE, m->root_container.signature, NULL((void*)0));
2923	if (r < 0)
2924	return r;
2925	}
2926
2927	if (m->n_fds > 0) {
2928	r = message_append_field_uint32(m, BUS_MESSAGE_HEADER_UNIX_FDS, m->n_fds);
2929	if (r < 0)
2930	return r;
2931	}
2932
2933	r = bus_message_close_header(m);
2934	if (r < 0)
2935	return r;
2936
2937	if (BUS_MESSAGE_IS_GVARIANT(m))
2938	m->header->dbus2.cookie = cookie;
2939	else
2940	m->header->dbus1.serial = (uint32_t) cookie;
2941
2942	m->timeout = m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED ? 0 : timeout_usec;
2943
2944	/* Add padding at the end of the fields part, since we know
2945	* the body needs to start at an 8 byte alignment. We made
2946	* sure we allocated enough space for this, so all we need to
2947	* do here is to zero it out. */
2948	a = ALIGN8(m->fields_size)(((m->fields_size) + 7) & ~7) - m->fields_size;
2949	if (a > 0)
2950	memzero((uint8_t) BUS_MESSAGE_FIELDS(m) + m->fields_size, a)({ size_t _l_ = (a); void _x_ = ((uint8_t*) BUS_MESSAGE_FIELDS (m) + m->fields_size); _l_ == 0 ? _x_ : memset(_x_, 0, _l_ ); });
2951
2952	/* If this is something we can send as memfd, then let's seal
2953	the memfd now. Note that we can send memfds as payload only
2954	for directed messages, and not for broadcasts. */
2955	if (m->destination && m->bus->use_memfd) {
2956	MESSAGE_FOREACH_PART(part, i, m)for ((i) = 0, (part) = &(m)->body; (i) < (m)->n_body_parts ; (i)++, (part) = (part)->next)
2957	if (part->memfd >= 0 &&
2958	!part->sealed &&
2959	(part->size > MEMFD_MIN_SIZE(512*1024) \|\| m->bus->use_memfd < 0) &&
2960	part != m->body_end) { /* The last part may never be sent as memfd */
2961	uint64_t sz;
2962
2963	/* Try to seal it if that makes
2964	* sense. First, unmap our own map to
2965	* make sure we don't keep it busy. */
2966	bus_body_part_unmap(part);
2967
2968	/* Then, sync up real memfd size */
2969	sz = part->size;
2970	r = memfd_set_size(part->memfd, sz);
2971	if (r < 0)
2972	return r;
2973
2974	/* Finally, try to seal */
2975	if (memfd_set_sealed(part->memfd) >= 0)
2976	part->sealed = true1;
2977	}
2978	}
2979
2980	m->root_container.end = m->user_body_size;
2981	m->root_container.index = 0;
2982	m->root_container.offset_index = 0;
2983	m->root_container.item_size = m->root_container.n_offsets > 0 ? m->root_container.offsets[0] : 0;
2984
2985	m->sealed = true1;
2986
2987	return 0;
2988	}
2989
2990	int bus_body_part_map(struct bus_body_part *part) {
2991	void *p;
2992	size_t psz, shift;
2993
2994	assert_se(part)do { if ((__builtin_expect(!!(!(part)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part"), "../src/libsystemd/sd-bus/bus-message.c" , 2994, __PRETTY_FUNCTION__); } while (0);
2995
2996	if (part->data)
2997	return 0;
2998
2999	if (part->size <= 0)
3000	return 0;
3001
3002	/* For smaller zero parts (as used for padding) we don't need to map anything... */
3003	if (part->memfd < 0 && part->is_zero && part->size < 8) {
3004	static const uint8_t zeroes[7] = { };
3005	part->data = (void*) zeroes;
3006	return 0;
3007	}
3008
3009	shift = part->memfd_offset - ((part->memfd_offset / page_size()) * page_size());
3010	psz = PAGE_ALIGN(part->size + shift)ALIGN_TO((part->size + shift), page_size());
3011
3012	if (part->memfd >= 0)
3013	p = mmap(NULL((void*)0), psz, PROT_READ0x1, MAP_PRIVATE0x02, part->memfd, part->memfd_offset - shift);
3014	else if (part->is_zero)
3015	p = mmap(NULL((void*)0), psz, PROT_READ0x1, MAP_PRIVATE0x02\|MAP_ANONYMOUS0x20, -1, 0);
3016	else
3017	return -EINVAL22;
3018
3019	if (p == MAP_FAILED((void *) -1))
3020	return -errno(*__errno_location ());
3021
3022	part->mapped = psz;
3023	part->mmap_begin = p;
3024	part->data = (uint8_t*) p + shift;
3025	part->munmap_this = true1;
3026
3027	return 0;
3028	}
3029
3030	void bus_body_part_unmap(struct bus_body_part *part) {
3031
3032	assert_se(part)do { if ((__builtin_expect(!!(!(part)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("part"), "../src/libsystemd/sd-bus/bus-message.c" , 3032, __PRETTY_FUNCTION__); } while (0);
3033
3034	if (part->memfd < 0)
3035	return;
3036
3037	if (!part->mmap_begin)
3038	return;
3039
3040	if (!part->munmap_this)
3041	return;
3042
3043	assert_se(munmap(part->mmap_begin, part->mapped) == 0)do { if ((__builtin_expect(!!(!(munmap(part->mmap_begin, part ->mapped) == 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("munmap(part->mmap_begin, part->mapped) == 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3043, __PRETTY_FUNCTION__); } while (0);
3044
3045	part->mmap_begin = NULL((void*)0);
3046	part->data = NULL((void*)0);
3047	part->mapped = 0;
3048	part->munmap_this = false0;
3049
3050	return;
3051	}
3052
3053	static int buffer_peek(const void p, uint32_t sz, size_t rindex, size_t align, size_t nbytes, void **r) {
3054	size_t k, start, end;
3055
3056	assert(rindex)do { if ((__builtin_expect(!!(!(rindex)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 3056, __PRETTY_FUNCTION__); } while (0);
3057	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3057, __PRETTY_FUNCTION__); } while (0);
3058
3059	start = ALIGN_TO((size_t) *rindex, align);
3060	end = start + nbytes;
3061
3062	if (end > sz)
3063	return -EBADMSG74;
3064
3065	/* Verify that padding is 0 */
3066	for (k = *rindex; k < start; k++)
3067	if (((const uint8_t*) p)[k] != 0)
3068	return -EBADMSG74;
3069
3070	if (r)
3071	r = (uint8_t) p + start;
3072
3073	*rindex = end;
3074
3075	return 1;
3076	}
3077
3078	static bool_Bool message_end_of_signature(sd_bus_message *m) {
3079	struct bus_container *c;
3080
3081	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3081, __PRETTY_FUNCTION__); } while (0);
3082
3083	c = message_get_last_container(m);
3084	return !c->signature \|\| c->signature[c->index] == 0;
3085	}
3086
3087	static bool_Bool message_end_of_array(sd_bus_message *m, size_t index) {
3088	struct bus_container *c;
3089
3090	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3090, __PRETTY_FUNCTION__); } while (0);
3091
3092	c = message_get_last_container(m);
3093	if (c->enclosing != SD_BUS_TYPE_ARRAY)
3094	return false0;
3095
3096	if (BUS_MESSAGE_IS_GVARIANT(m))
3097	return index >= c->end;
3098	else {
3099	assert(c->array_size)do { if ((__builtin_expect(!!(!(c->array_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c->array_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3099, __PRETTY_FUNCTION__); } while (0);
3100	return index >= c->begin + BUS_MESSAGE_BSWAP32(m, *c->array_size);
3101	}
3102	}
3103
3104	_public___attribute__ ((visibility("default"))) int sd_bus_message_at_end(sd_bus_message *m, int complete) {
3105	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3105, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
3106	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 3106, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
3107
3108	if (complete && m->n_containers > 0)
3109	return false0;
3110
3111	if (message_end_of_signature(m))
3112	return true1;
3113
3114	if (message_end_of_array(m, m->rindex))
3115	return true1;
3116
3117	return false0;
3118	}
3119
3120	static struct bus_body_part* find_part(sd_bus_message m, size_t index, size_t sz, void *p) {
3121	struct bus_body_part *part;
3122	size_t begin;
3123	int r;
3124
3125	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3125, __PRETTY_FUNCTION__); } while (0);
3126
3127	if (m->cached_rindex_part && index >= m->cached_rindex_part_begin) {
3128	part = m->cached_rindex_part;
3129	begin = m->cached_rindex_part_begin;
3130	} else {
3131	part = &m->body;
3132	begin = 0;
3133	}
3134
3135	while (part) {
3136	if (index < begin)
3137	return NULL((void*)0);
3138
3139	if (index + sz <= begin + part->size) {
3140
3141	r = bus_body_part_map(part);
3142	if (r < 0)
3143	return NULL((void*)0);
3144
3145	if (p)
3146	p = (uint8_t) part->data + index - begin;
3147
3148	m->cached_rindex_part = part;
3149	m->cached_rindex_part_begin = begin;
3150
3151	return part;
3152	}
3153
3154	begin += part->size;
3155	part = part->next;
3156	}
3157
3158	return NULL((void*)0);
3159	}
3160
3161	static int container_next_item(sd_bus_message m, struct bus_container c, size_t *rindex) {
3162	int r;
3163
3164	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3164, __PRETTY_FUNCTION__); } while (0);
3165	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 3165, __PRETTY_FUNCTION__); } while (0);
3166	assert(rindex)do { if ((__builtin_expect(!!(!(rindex)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 3166, __PRETTY_FUNCTION__); } while (0);
3167
3168	if (!BUS_MESSAGE_IS_GVARIANT(m))
3169	return 0;
3170
3171	if (c->enclosing == SD_BUS_TYPE_ARRAY) {
3172	int sz;
3173
3174	sz = bus_gvariant_get_size(c->signature);
3175	if (sz < 0) {
3176	int alignment;
3177
3178	if (c->offset_index+1 >= c->n_offsets)
3179	goto end;
3180
3181	/* Variable-size array */
3182
3183	alignment = bus_gvariant_get_alignment(c->signature);
3184	assert(alignment > 0)do { if ((__builtin_expect(!!(!(alignment > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("alignment > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3184, __PRETTY_FUNCTION__); } while (0);
3185
3186	*rindex = ALIGN_TO(c->offsets[c->offset_index], alignment);
3187	assert(c->offsets[c->offset_index+1] >= rindex)do { if ((__builtin_expect(!!(!(c->offsets[c->offset_index +1] >= rindex)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("c->offsets[c->offset_index+1] >= *rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 3187, __PRETTY_FUNCTION__); } while (0);
3188	c->item_size = c->offsets[c->offset_index+1] - *rindex;
3189	} else {
3190
3191	if (c->offset_index+1 >= (c->end-c->begin)/sz)
3192	goto end;
3193
3194	/* Fixed-size array */
3195	rindex = c->begin + (c->offset_index+1) sz;
3196	c->item_size = sz;
3197	}
3198
3199	c->offset_index++;
3200
3201	} else if (IN_SET(c->enclosing, 0, SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){0, SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY })/sizeof(int)]; switch(c->enclosing) { case 0: case SD_BUS_TYPE_STRUCT : case SD_BUS_TYPE_DICT_ENTRY: _found = 1; break; default: break ; } _found; })) {
3202
3203	int alignment;
3204	size_t n, j;
3205
3206	if (c->offset_index+1 >= c->n_offsets)
3207	goto end;
3208
3209	r = signature_element_length(c->signature + c->index, &n);
3210	if (r < 0)
3211	return r;
3212
3213	r = signature_element_length(c->signature + c->index + n, &j);
3214	if (r < 0)
3215	return r;
3216	else {
3217	char t[j+1];
3218	memcpy(t, c->signature + c->index + n, j);
3219	t[j] = 0;
3220
3221	alignment = bus_gvariant_get_alignment(t);
3222	}
3223
3224	assert(alignment > 0)do { if ((__builtin_expect(!!(!(alignment > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("alignment > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3224, __PRETTY_FUNCTION__); } while (0);
3225
3226	*rindex = ALIGN_TO(c->offsets[c->offset_index], alignment);
3227	assert(c->offsets[c->offset_index+1] >= rindex)do { if ((__builtin_expect(!!(!(c->offsets[c->offset_index +1] >= rindex)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("c->offsets[c->offset_index+1] >= *rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 3227, __PRETTY_FUNCTION__); } while (0);
3228	c->item_size = c->offsets[c->offset_index+1] - *rindex;
3229
3230	c->offset_index++;
3231
3232	} else if (c->enclosing == SD_BUS_TYPE_VARIANT)
3233	goto end;
3234	else
3235	assert_not_reached("Unknown container type")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Unknown container type"), "../src/libsystemd/sd-bus/bus-message.c" , 3235, __PRETTY_FUNCTION__); } while (0);
3236
3237	return 0;
3238
3239	end:
3240	/* Reached the end */
3241	*rindex = c->end;
3242	c->item_size = 0;
3243	return 0;
3244	}
3245
3246	static int message_peek_body(
3247	sd_bus_message *m,
3248	size_t *rindex,
3249	size_t align,
3250	size_t nbytes,
3251	void **ret) {
3252
3253	size_t k, start, end, padding;
3254	struct bus_body_part *part;
3255	uint8_t *q;
3256
3257	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3257, __PRETTY_FUNCTION__); } while (0);
3258	assert(rindex)do { if ((__builtin_expect(!!(!(rindex)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 3258, __PRETTY_FUNCTION__); } while (0);
3259	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3259, __PRETTY_FUNCTION__); } while (0);
3260
3261	start = ALIGN_TO((size_t) *rindex, align);
3262	padding = start - *rindex;
3263	end = start + nbytes;
3264
3265	if (end > m->user_body_size)
3266	return -EBADMSG74;
3267
3268	part = find_part(m, rindex, padding, (void*) &q);
3269	if (!part)
3270	return -EBADMSG74;
3271
3272	if (q) {
3273	/* Verify padding */
3274	for (k = 0; k < padding; k++)
3275	if (q[k] != 0)
3276	return -EBADMSG74;
3277	}
3278
3279	part = find_part(m, start, nbytes, (void**) &q);
3280	if (!part \|\| (nbytes > 0 && !q))
3281	return -EBADMSG74;
3282
3283	*rindex = end;
3284
3285	if (ret)
3286	*ret = q;
3287
3288	return 0;
3289	}
3290
3291	static bool_Bool validate_nul(const char *s, size_t l) {
3292
3293	/* Check for NUL chars in the string */
3294	if (memchr(s, 0, l))
3295	return false0;
3296
3297	/* Check for NUL termination */
3298	if (s[l] != 0)
3299	return false0;
3300
3301	return true1;
3302	}
3303
3304	static bool_Bool validate_string(const char *s, size_t l) {
3305
3306	if (!validate_nul(s, l))
3307	return false0;
3308
3309	/* Check if valid UTF8 */
3310	if (!utf8_is_valid(s))
3311	return false0;
3312
3313	return true1;
3314	}
3315
3316	static bool_Bool validate_signature(const char *s, size_t l) {
3317
3318	if (!validate_nul(s, l))
3319	return false0;
3320
3321	/* Check if valid signature */
3322	if (!signature_is_valid(s, true1))
3323	return false0;
3324
3325	return true1;
3326	}
3327
3328	static bool_Bool validate_object_path(const char *s, size_t l) {
3329
3330	if (!validate_nul(s, l))
3331	return false0;
3332
3333	if (!object_path_is_valid(s))
3334	return false0;
3335
3336	return true1;
3337	}
3338
3339	_public___attribute__ ((visibility("default"))) int sd_bus_message_read_basic(sd_bus_message m, char type, void p) {
3340	struct bus_container *c;
3341	size_t rindex;
3342	void *q;
3343	int r;
3344
3345	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3345, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
3346	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 3346, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
3347	assert_return(bus_type_is_basic(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_basic(type)),1)) ) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "bus_type_is_basic(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 3347, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
3348
3349	if (message_end_of_signature(m))
3350	return -ENXIO6;
3351
3352	if (message_end_of_array(m, m->rindex))
3353	return 0;
3354
3355	c = message_get_last_container(m);
3356	if (c->signature[c->index] != type)
3357	return -ENXIO6;
3358
3359	rindex = m->rindex;
3360
3361	if (BUS_MESSAGE_IS_GVARIANT(m)) {
3362
3363	if (IN_SET(type, SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH, SD_BUS_TYPE_SIGNATURE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH , SD_BUS_TYPE_SIGNATURE})/sizeof(int)]; switch(type) { case SD_BUS_TYPE_STRING : case SD_BUS_TYPE_OBJECT_PATH: case SD_BUS_TYPE_SIGNATURE: _found = 1; break; default: break; } _found; })) {
3364	bool_Bool ok;
3365
3366	/* D-Bus spec: The marshalling formats for the string-like types all end
3367	* with a single zero (NUL) byte, but that byte is not considered to be part
3368	* of the text. */
3369	if (c->item_size == 0)
3370	return -EBADMSG74;
3371
3372	r = message_peek_body(m, &rindex, 1, c->item_size, &q);
3373	if (r < 0)
3374	return r;
3375
3376	if (type == SD_BUS_TYPE_STRING)
3377	ok = validate_string(q, c->item_size-1);
3378	else if (type == SD_BUS_TYPE_OBJECT_PATH)
3379	ok = validate_object_path(q, c->item_size-1);
3380	else
3381	ok = validate_signature(q, c->item_size-1);
3382
3383	if (!ok)
3384	return -EBADMSG74;
3385
3386	if (p)
3387	(const char*) p = q;
3388	} else {
3389	int sz, align;
3390
3391	sz = bus_gvariant_get_size(CHAR_TO_STR(type)((char[2]) { type, 0 }));
3392	assert(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3392, __PRETTY_FUNCTION__); } while (0);
3393	if ((size_t) sz != c->item_size)
3394	return -EBADMSG74;
3395
3396	align = bus_gvariant_get_alignment(CHAR_TO_STR(type)((char[2]) { type, 0 }));
3397	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3397, __PRETTY_FUNCTION__); } while (0);
3398
3399	r = message_peek_body(m, &rindex, align, c->item_size, &q);
3400	if (r < 0)
3401	return r;
3402
3403	switch (type) {
3404
3405	case SD_BUS_TYPE_BYTE:
3406	if (p)
3407	(uint8_t) p = (uint8_t) q;
3408	break;
3409
3410	case SD_BUS_TYPE_BOOLEAN:
3411	if (p)
3412	(int) p = !!(uint8_t) q;
3413	break;
3414
3415	case SD_BUS_TYPE_INT16:
3416	case SD_BUS_TYPE_UINT16:
3417	if (p)
3418	(uint16_t) p = BUS_MESSAGE_BSWAP16(m, (uint16_t) q);
3419	break;
3420
3421	case SD_BUS_TYPE_INT32:
3422	case SD_BUS_TYPE_UINT32:
3423	if (p)
3424	(uint32_t) p = BUS_MESSAGE_BSWAP32(m, (uint32_t) q);
3425	break;
3426
3427	case SD_BUS_TYPE_INT64:
3428	case SD_BUS_TYPE_UINT64:
3429	case SD_BUS_TYPE_DOUBLE:
3430	if (p)
3431	(uint64_t) p = BUS_MESSAGE_BSWAP64(m, (uint64_t) q);
3432	break;
3433
3434	case SD_BUS_TYPE_UNIX_FD: {
3435	uint32_t j;
3436
3437	j = BUS_MESSAGE_BSWAP32(m, (uint32_t) q);
3438	if (j >= m->n_fds)
3439	return -EBADMSG74;
3440
3441	if (p)
3442	(int) p = m->fds[j];
3443
3444	break;
3445	}
3446
3447	default:
3448	assert_not_reached("unexpected type")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "unexpected type"), "../src/libsystemd/sd-bus/bus-message.c", 3448, __PRETTY_FUNCTION__); } while (0);
3449	}
3450	}
3451
3452	r = container_next_item(m, c, &rindex);
3453	if (r < 0)
3454	return r;
3455	} else {
3456
3457	if (IN_SET(type, SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH })/sizeof(int)]; switch(type) { case SD_BUS_TYPE_STRING: case SD_BUS_TYPE_OBJECT_PATH: _found = 1; break; default: break; } _found; })) {
3458	uint32_t l;
3459	bool_Bool ok;
3460
3461	r = message_peek_body(m, &rindex, 4, 4, &q);
3462	if (r < 0)
3463	return r;
3464
3465	l = BUS_MESSAGE_BSWAP32(m, (uint32_t) q);
3466	if (l == UINT32_MAX(4294967295U))
3467	/* avoid overflow right below */
3468	return -EBADMSG74;
3469
3470	r = message_peek_body(m, &rindex, 1, l+1, &q);
3471	if (r < 0)
3472	return r;
3473
3474	if (type == SD_BUS_TYPE_OBJECT_PATH)
3475	ok = validate_object_path(q, l);
3476	else
3477	ok = validate_string(q, l);
3478	if (!ok)
3479	return -EBADMSG74;
3480
3481	if (p)
3482	(const char*) p = q;
3483
3484	} else if (type == SD_BUS_TYPE_SIGNATURE) {
3485	uint8_t l;
3486
3487	r = message_peek_body(m, &rindex, 1, 1, &q);
3488	if (r < 0)
3489	return r;
3490
3491	l = (uint8_t) q;
3492	if (l == UINT8_MAX(255))
3493	/* avoid overflow right below */
3494	return -EBADMSG74;
3495
3496	r = message_peek_body(m, &rindex, 1, l+1, &q);
3497	if (r < 0)
3498	return r;
3499
3500	if (!validate_signature(q, l))
3501	return -EBADMSG74;
3502
3503	if (p)
3504	(const char*) p = q;
3505
3506	} else {
3507	ssize_t sz, align;
3508
3509	align = bus_type_get_alignment(type);
3510	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3510, __PRETTY_FUNCTION__); } while (0);
3511
3512	sz = bus_type_get_size(type);
3513	assert(sz > 0)do { if ((__builtin_expect(!!(!(sz > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3513, __PRETTY_FUNCTION__); } while (0);
3514
3515	r = message_peek_body(m, &rindex, align, sz, &q);
3516	if (r < 0)
3517	return r;
3518
3519	switch (type) {
3520
3521	case SD_BUS_TYPE_BYTE:
3522	if (p)
3523	(uint8_t) p = (uint8_t) q;
3524	break;
3525
3526	case SD_BUS_TYPE_BOOLEAN:
3527	if (p)
3528	(int) p = !!(uint32_t) q;
3529	break;
3530
3531	case SD_BUS_TYPE_INT16:
3532	case SD_BUS_TYPE_UINT16:
3533	if (p)
3534	(uint16_t) p = BUS_MESSAGE_BSWAP16(m, (uint16_t) q);
3535	break;
3536
3537	case SD_BUS_TYPE_INT32:
3538	case SD_BUS_TYPE_UINT32:
3539	if (p)
3540	(uint32_t) p = BUS_MESSAGE_BSWAP32(m, (uint32_t) q);
3541	break;
3542
3543	case SD_BUS_TYPE_INT64:
3544	case SD_BUS_TYPE_UINT64:
3545	case SD_BUS_TYPE_DOUBLE:
3546	if (p)
3547	(uint64_t) p = BUS_MESSAGE_BSWAP64(m, (uint64_t) q);
3548	break;
3549
3550	case SD_BUS_TYPE_UNIX_FD: {
3551	uint32_t j;
3552
3553	j = BUS_MESSAGE_BSWAP32(m, (uint32_t) q);
3554	if (j >= m->n_fds)
3555	return -EBADMSG74;
3556
3557	if (p)
3558	(int) p = m->fds[j];
3559	break;
3560	}
3561
3562	default:
3563	assert_not_reached("Unknown basic type...")do { log_assert_failed_unreachable_realm(LOG_REALM_SYSTEMD, ( "Unknown basic type..."), "../src/libsystemd/sd-bus/bus-message.c" , 3563, __PRETTY_FUNCTION__); } while (0);
3564	}
3565	}
3566	}
3567
3568	m->rindex = rindex;
3569
3570	if (c->enclosing != SD_BUS_TYPE_ARRAY)
3571	c->index++;
3572
3573	return 1;
3574	}
3575
3576	static int bus_message_enter_array(
3577	sd_bus_message *m,
3578	struct bus_container *c,
3579	const char *contents,
3580	uint32_t **array_size,
3581	size_t *item_size,
3582	size_t **offsets,
3583	size_t *n_offsets) {
3584
3585	size_t rindex;
3586	void *q;
3587	int r;
3588
3589	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3589, __PRETTY_FUNCTION__); } while (0);
3590	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 3590, __PRETTY_FUNCTION__); } while (0);
3591	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 3591, __PRETTY_FUNCTION__); } while (0);
3592	assert(array_size)do { if ((__builtin_expect(!!(!(array_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("array_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3592, __PRETTY_FUNCTION__); } while (0);
3593	assert(item_size)do { if ((__builtin_expect(!!(!(item_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("item_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3593, __PRETTY_FUNCTION__); } while (0);
3594	assert(offsets)do { if ((__builtin_expect(!!(!(offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3594, __PRETTY_FUNCTION__); } while (0);
3595	assert(n_offsets)do { if ((__builtin_expect(!!(!(n_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3595, __PRETTY_FUNCTION__); } while (0);
3596
3597	if (!signature_is_single(contents, true1))
3598	return -EINVAL22;
3599
3600	if (!c->signature \|\| c->signature[c->index] == 0)
3601	return -ENXIO6;
3602
3603	if (c->signature[c->index] != SD_BUS_TYPE_ARRAY)
3604	return -ENXIO6;
3605
3606	if (!startswith(c->signature + c->index + 1, contents))
3607	return -ENXIO6;
3608
3609	rindex = m->rindex;
3610
3611	if (!BUS_MESSAGE_IS_GVARIANT(m)) {
3612	/* dbus1 */
3613	int alignment;
3614
3615	r = message_peek_body(m, &rindex, 4, 4, &q);
3616	if (r < 0)
3617	return r;
3618
3619	if (BUS_MESSAGE_BSWAP32(m, (uint32_t) q) > BUS_ARRAY_MAX_SIZE67108864)
3620	return -EBADMSG74;
3621
3622	alignment = bus_type_get_alignment(contents[0]);
3623	if (alignment < 0)
3624	return alignment;
3625
3626	r = message_peek_body(m, &rindex, alignment, 0, NULL((void*)0));
3627	if (r < 0)
3628	return r;
3629
3630	array_size = (uint32_t) q;
3631
3632	} else if (c->item_size <= 0) {
3633
3634	/* gvariant: empty array */
3635	*item_size = 0;
3636	offsets = NULL((void)0);
3637	*n_offsets = 0;
3638
3639	} else if (bus_gvariant_is_fixed_size(contents)) {
3640
3641	/* gvariant: fixed length array */
3642	*item_size = bus_gvariant_get_size(contents);
3643	offsets = NULL((void)0);
3644	*n_offsets = 0;
3645
3646	} else {
3647	size_t where, previous = 0, framing, sz;
3648	int alignment;
3649	unsigned i;
3650
3651	/* gvariant: variable length array */
3652	sz = bus_gvariant_determine_word_size(c->item_size, 0);
3653
3654	where = rindex + c->item_size - sz;
3655	r = message_peek_body(m, &where, 1, sz, &q);
3656	if (r < 0)
3657	return r;
3658
3659	framing = bus_gvariant_read_word_le(q, sz);
3660	if (framing > c->item_size - sz)
3661	return -EBADMSG74;
3662	if ((c->item_size - framing) % sz != 0)
3663	return -EBADMSG74;
3664
3665	*n_offsets = (c->item_size - framing) / sz;
3666
3667	where = rindex + framing;
3668	r = message_peek_body(m, &where, 1, n_offsets sz, &q);
3669	if (r < 0)
3670	return r;
3671
3672	offsets = new(size_t, n_offsets)((size_t) malloc_multiply(sizeof(size_t), (n_offsets)));
3673	if (!*offsets)
3674	return -ENOMEM12;
3675
3676	alignment = bus_gvariant_get_alignment(c->signature);
3677	assert(alignment > 0)do { if ((__builtin_expect(!!(!(alignment > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("alignment > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3677, __PRETTY_FUNCTION__); } while (0);
3678
3679	for (i = 0; i < *n_offsets; i++) {
3680	size_t x, start;
3681
3682	start = ALIGN_TO(previous, alignment);
3683
3684	x = bus_gvariant_read_word_le((uint8_t) q + i sz, sz);
3685	if (x > c->item_size - sz)
3686	return -EBADMSG74;
3687	if (x < start)
3688	return -EBADMSG74;
3689
3690	(*offsets)[i] = rindex + x;
3691	previous = x;
3692	}
3693
3694	item_size = (offsets)[0] - rindex;
3695	}
3696
3697	m->rindex = rindex;
3698
3699	if (c->enclosing != SD_BUS_TYPE_ARRAY)
3700	c->index += 1 + strlen(contents);
3701
3702	return 1;
3703	}
3704
3705	static int bus_message_enter_variant(
3706	sd_bus_message *m,
3707	struct bus_container *c,
3708	const char *contents,
3709	size_t *item_size) {
3710
3711	size_t rindex;
3712	uint8_t l;
3713	void *q;
3714	int r;
3715
3716	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3716, __PRETTY_FUNCTION__); } while (0);
3717	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 3717, __PRETTY_FUNCTION__); } while (0);
3718	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 3718, __PRETTY_FUNCTION__); } while (0);
3719	assert(item_size)do { if ((__builtin_expect(!!(!(item_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("item_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3719, __PRETTY_FUNCTION__); } while (0);
3720
3721	if (!signature_is_single(contents, false0))
3722	return -EINVAL22;
3723
3724	if (*contents == SD_BUS_TYPE_DICT_ENTRY_BEGIN)
3725	return -EINVAL22;
3726
3727	if (!c->signature \|\| c->signature[c->index] == 0)
3728	return -ENXIO6;
3729
3730	if (c->signature[c->index] != SD_BUS_TYPE_VARIANT)
3731	return -ENXIO6;
3732
3733	rindex = m->rindex;
3734
3735	if (BUS_MESSAGE_IS_GVARIANT(m)) {
3736	size_t k, where;
3737
3738	k = strlen(contents);
3739	if (1+k > c->item_size)
3740	return -EBADMSG74;
3741
3742	where = rindex + c->item_size - (1+k);
3743	r = message_peek_body(m, &where, 1, 1+k, &q);
3744	if (r < 0)
3745	return r;
3746
3747	if ((char) q != 0)
3748	return -EBADMSG74;
3749
3750	if (memcmp((uint8_t*) q+1, contents, k))
3751	return -ENXIO6;
3752
3753	*item_size = c->item_size - (1+k);
3754
3755	} else {
3756	r = message_peek_body(m, &rindex, 1, 1, &q);
3757	if (r < 0)
3758	return r;
3759
3760	l = (uint8_t) q;
3761	if (l == UINT8_MAX(255))
3762	/* avoid overflow right below */
3763	return -EBADMSG74;
3764
3765	r = message_peek_body(m, &rindex, 1, l+1, &q);
3766	if (r < 0)
3767	return r;
3768
3769	if (!validate_signature(q, l))
3770	return -EBADMSG74;
3771
3772	if (!streq(q, contents)(strcmp((q),(contents)) == 0))
3773	return -ENXIO6;
3774	}
3775
3776	m->rindex = rindex;
3777
3778	if (c->enclosing != SD_BUS_TYPE_ARRAY)
3779	c->index++;
3780
3781	return 1;
3782	}
3783
3784	static int build_struct_offsets(
3785	sd_bus_message *m,
3786	const char *signature,
3787	size_t size,
3788	size_t *item_size,
3789	size_t **offsets,
3790	size_t *n_offsets) {
3791
3792	unsigned n_variable = 0, n_total = 0, v;
3793	size_t previous, where;
3794	const char *p;
3795	size_t sz;
3796	void *q;
3797	int r;
3798
3799	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3799, __PRETTY_FUNCTION__); } while (0);
3800	assert(item_size)do { if ((__builtin_expect(!!(!(item_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("item_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3800, __PRETTY_FUNCTION__); } while (0);
3801	assert(offsets)do { if ((__builtin_expect(!!(!(offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3801, __PRETTY_FUNCTION__); } while (0);
3802	assert(n_offsets)do { if ((__builtin_expect(!!(!(n_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3802, __PRETTY_FUNCTION__); } while (0);
3803
3804	if (isempty(signature)) {
3805	/* Unary type is encoded as fixed 1 byte padding */
3806	r = message_peek_body(m, &m->rindex, 1, 1, &q);
3807	if (r < 0)
3808	return r;
3809
3810	if ((uint8_t ) q != 0)
3811	return -EBADMSG74;
3812
3813	*item_size = 0;
3814	offsets = NULL((void)0);
3815	*n_offsets = 0;
3816	return 0;
3817	}
3818
3819	sz = bus_gvariant_determine_word_size(size, 0);
3820	if (sz <= 0)
3821	return -EBADMSG74;
3822
3823	/* First, loop over signature and count variable elements and
3824	* elements in general. We use this to know how large the
3825	* offset array is at the end of the structure. Note that
3826	* GVariant only stores offsets for all variable size elements
3827	* that are not the last item. */
3828
3829	p = signature;
3830	while (*p != 0) {
3831	size_t n;
3832
3833	r = signature_element_length(p, &n);
3834	if (r < 0)
3835	return r;
3836	else {
3837	char t[n+1];
3838
3839	memcpy(t, p, n);
3840	t[n] = 0;
3841
3842	r = bus_gvariant_is_fixed_size(t);
3843	}
3844
3845	if (r < 0)
3846	return r;
3847	if (r == 0 && p[n] != 0) /* except the last item */
3848	n_variable++;
3849	n_total++;
3850
3851	p += n;
3852	}
3853
3854	if (size < n_variable * sz)
3855	return -EBADMSG74;
3856
3857	where = m->rindex + size - (n_variable * sz);
3858	r = message_peek_body(m, &where, 1, n_variable * sz, &q);
3859	if (r < 0)
3860	return r;
3861
3862	v = n_variable;
3863
3864	offsets = new(size_t, n_total)((size_t) malloc_multiply(sizeof(size_t), (n_total)));
3865	if (!*offsets)
3866	return -ENOMEM12;
3867
3868	*n_offsets = 0;
3869
3870	/* Second, loop again and build an offset table */
3871	p = signature;
3872	previous = m->rindex;
3873	while (*p != 0) {
3874	size_t n, offset;
3875	int k;
3876
3877	r = signature_element_length(p, &n);
3878	if (r < 0)
3879	return r;
3880	else {
3881	char t[n+1];
3882
3883	memcpy(t, p, n);
3884	t[n] = 0;
3885
3886	size_t align = bus_gvariant_get_alignment(t);
3887	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3887, __PRETTY_FUNCTION__); } while (0);
3888
3889	/* The possible start of this member after including alignment */
3890	size_t start = ALIGN_TO(previous, align);
3891
3892	k = bus_gvariant_get_size(t);
3893	if (k < 0) {
3894	size_t x;
3895
3896	/* Variable size */
3897	if (v > 0) {
3898	v--;
3899
3900	x = bus_gvariant_read_word_le((uint8_t) q + vsz, sz);
3901	if (x >= size)
3902	return -EBADMSG74;
3903	} else
3904	/* The last item's end is determined
3905	* from the start of the offset array */
3906	x = size - (n_variable * sz);
3907
3908	offset = m->rindex + x;
3909	if (offset < start) {
3910	log_debug("For type %s with alignment %zu, message specifies offset %zu which is smaller than previous end %zu + alignment = %zu",({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 \| (_level)), _e , "../src/libsystemd/sd-bus/bus-message.c", 3911, __func__, "For type %s with alignment %zu, message specifies offset %zu which is smaller than previous end %zu + alignment = %zu" , t, align, offset, previous, start) : -abs(_e); })
3911	t, align, offset, previous, start)({ int _level = (((7))), _e = ((0)), _realm = (LOG_REALM_SYSTEMD ); (log_get_max_level_realm(_realm) >= ((_level) & 0x07 )) ? log_internal_realm(((_realm) << 10 \| (_level)), _e , "../src/libsystemd/sd-bus/bus-message.c", 3911, __func__, "For type %s with alignment %zu, message specifies offset %zu which is smaller than previous end %zu + alignment = %zu" , t, align, offset, previous, start) : -abs(_e); });
3912	return -EBADMSG74;
3913	}
3914	} else
3915	/* Fixed size */
3916	offset = start + k;
3917	}
3918
3919	previous = (offsets)[(n_offsets)++] = offset;
3920	p += n;
3921	}
3922
3923	assert(v == 0)do { if ((__builtin_expect(!!(!(v == 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("v == 0"), "../src/libsystemd/sd-bus/bus-message.c" , 3923, __PRETTY_FUNCTION__); } while (0);
3924	assert(n_offsets == n_total)do { if ((__builtin_expect(!!(!(n_offsets == n_total)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("*n_offsets == n_total"), "../src/libsystemd/sd-bus/bus-message.c" , 3924, __PRETTY_FUNCTION__); } while (0);
3925
3926	item_size = (offsets)[0] - m->rindex;
3927	return 0;
3928	}
3929
3930	static int enter_struct_or_dict_entry(
3931	sd_bus_message *m,
3932	struct bus_container *c,
3933	const char *contents,
3934	size_t *item_size,
3935	size_t **offsets,
3936	size_t *n_offsets) {
3937
3938	int r;
3939
3940	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3940, __PRETTY_FUNCTION__); } while (0);
3941	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 3941, __PRETTY_FUNCTION__); } while (0);
3942	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 3942, __PRETTY_FUNCTION__); } while (0);
3943	assert(item_size)do { if ((__builtin_expect(!!(!(item_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("item_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3943, __PRETTY_FUNCTION__); } while (0);
3944	assert(offsets)do { if ((__builtin_expect(!!(!(offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3944, __PRETTY_FUNCTION__); } while (0);
3945	assert(n_offsets)do { if ((__builtin_expect(!!(!(n_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3945, __PRETTY_FUNCTION__); } while (0);
3946
3947	if (!BUS_MESSAGE_IS_GVARIANT(m)) {
3948
3949	/* dbus1 */
3950	r = message_peek_body(m, &m->rindex, 8, 0, NULL((void*)0));
3951	if (r < 0)
3952	return r;
3953
3954	} else
3955	/* gvariant with contents */
3956	return build_struct_offsets(m, contents, c->item_size, item_size, offsets, n_offsets);
3957
3958	return 0;
3959	}
3960
3961	static int bus_message_enter_struct(
3962	sd_bus_message *m,
3963	struct bus_container *c,
3964	const char *contents,
3965	size_t *item_size,
3966	size_t **offsets,
3967	size_t *n_offsets) {
3968
3969	size_t l;
3970	int r;
3971
3972	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 3972, __PRETTY_FUNCTION__); } while (0);
3973	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 3973, __PRETTY_FUNCTION__); } while (0);
3974	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 3974, __PRETTY_FUNCTION__); } while (0);
3975	assert(item_size)do { if ((__builtin_expect(!!(!(item_size)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("item_size"), "../src/libsystemd/sd-bus/bus-message.c" , 3975, __PRETTY_FUNCTION__); } while (0);
3976	assert(offsets)do { if ((__builtin_expect(!!(!(offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3976, __PRETTY_FUNCTION__); } while (0);
3977	assert(n_offsets)do { if ((__builtin_expect(!!(!(n_offsets)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n_offsets"), "../src/libsystemd/sd-bus/bus-message.c" , 3977, __PRETTY_FUNCTION__); } while (0);
3978
3979	if (!signature_is_valid(contents, false0))
3980	return -EINVAL22;
3981
3982	if (!c->signature \|\| c->signature[c->index] == 0)
3983	return -ENXIO6;
3984
3985	l = strlen(contents);
3986
3987	if (c->signature[c->index] != SD_BUS_TYPE_STRUCT_BEGIN \|\|
3988	!startswith(c->signature + c->index + 1, contents) \|\|
3989	c->signature[c->index + 1 + l] != SD_BUS_TYPE_STRUCT_END)
3990	return -ENXIO6;
3991
3992	r = enter_struct_or_dict_entry(m, c, contents, item_size, offsets, n_offsets);
3993	if (r < 0)
3994	return r;
3995
3996	if (c->enclosing != SD_BUS_TYPE_ARRAY)
3997	c->index += 1 + l + 1;
3998
3999	return 1;
4000	}
4001
4002	static int bus_message_enter_dict_entry(
4003	sd_bus_message *m,
4004	struct bus_container *c,
4005	const char *contents,
4006	size_t *item_size,
4007	size_t **offsets,
4008	size_t *n_offsets) {
4009
4010	size_t l;
4011	int r;
4012
4013	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4013, __PRETTY_FUNCTION__); } while (0);
4014	assert(c)do { if ((__builtin_expect(!!(!(c)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("c"), "../src/libsystemd/sd-bus/bus-message.c" , 4014, __PRETTY_FUNCTION__); } while (0);
4015	assert(contents)do { if ((__builtin_expect(!!(!(contents)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("contents"), "../src/libsystemd/sd-bus/bus-message.c" , 4015, __PRETTY_FUNCTION__); } while (0);
4016
4017	if (!signature_is_pair(contents))
4018	return -EINVAL22;
4019
4020	if (c->enclosing != SD_BUS_TYPE_ARRAY)
4021	return -ENXIO6;
4022
4023	if (!c->signature \|\| c->signature[c->index] == 0)
4024	return 0;
4025
4026	l = strlen(contents);
4027
4028	if (c->signature[c->index] != SD_BUS_TYPE_DICT_ENTRY_BEGIN \|\|
4029	!startswith(c->signature + c->index + 1, contents) \|\|
4030	c->signature[c->index + 1 + l] != SD_BUS_TYPE_DICT_ENTRY_END)
4031	return -ENXIO6;
4032
4033	r = enter_struct_or_dict_entry(m, c, contents, item_size, offsets, n_offsets);
4034	if (r < 0)
4035	return r;
4036
4037	if (c->enclosing != SD_BUS_TYPE_ARRAY)
4038	c->index += 1 + l + 1;
4039
4040	return 1;
4041	}
4042
4043	_public___attribute__ ((visibility("default"))) int sd_bus_message_enter_container(sd_bus_message *m,
4044	char type,
4045	const char *contents) {
4046	struct bus_container *c;
4047	uint32_t array_size = NULL((void)0);
4048	_cleanup_free___attribute__((cleanup(freep))) char signature = NULL((void)0);
4049	size_t before, end;
4050	_cleanup_free___attribute__((cleanup(freep))) size_t offsets = NULL((void)0);
4051	size_t n_offsets = 0, item_size = 0;
4052	int r;
4053
4054	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4054, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4055	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4055, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4056	assert_return(type != 0 \|\| !contents, -EINVAL)do { if (!(((__builtin_expect(!!(type != 0 \|\| !contents),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ( "type != 0 \|\| !contents"), "../src/libsystemd/sd-bus/bus-message.c" , 4056, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4057
4058	if (type == 0 \|\| !contents) {
4059	const char *cc;
4060	char tt;
4061
4062	/* Allow entering into anonymous containers */
4063	r = sd_bus_message_peek_type(m, &tt, &cc);
4064	if (r < 0)
4065	return r;
4066
4067	if (type != 0 && type != tt)
4068	return -ENXIO6;
4069
4070	if (contents && !streq(contents, cc)(strcmp((contents),(cc)) == 0))
4071	return -ENXIO6;
4072
4073	type = tt;
4074	contents = cc;
4075	}
4076
4077	/*
4078	* We enforce a global limit on container depth, that is much
4079	* higher than the 32 structs and 32 arrays the specification
4080	* mandates. This is simpler to implement for us, and we need
4081	* this only to ensure our container array doesn't grow
4082	* without bounds. We are happy to return any data from a
4083	* message as long as the data itself is valid, even if the
4084	* overall message might be not.
4085	*
4086	* Note that the message signature is validated when
4087	* parsing the headers, and that validation does check the
4088	* 32/32 limit.
4089	*
4090	* Note that the specification defines no limits on the depth
4091	* of stacked variants, but we do.
4092	*/
4093	if (m->n_containers >= BUS_CONTAINER_DEPTH128)
4094	return -EBADMSG74;
4095
4096	if (!GREEDY_REALLOC(m->containers, m->containers_allocated, m->n_containers + 1)greedy_realloc((void**) &(m->containers), &(m-> containers_allocated), (m->n_containers + 1), sizeof((m-> containers)[0])))
4097	return -ENOMEM12;
4098
4099	if (message_end_of_signature(m))
4100	return -ENXIO6;
4101
4102	if (message_end_of_array(m, m->rindex))
4103	return 0;
4104
4105	c = message_get_last_container(m);
4106
4107	signature = strdup(contents);
4108	if (!signature)
4109	return -ENOMEM12;
4110
4111	c->saved_index = c->index;
4112	before = m->rindex;
4113
4114	if (type == SD_BUS_TYPE_ARRAY)
4115	r = bus_message_enter_array(m, c, contents, &array_size, &item_size, &offsets, &n_offsets);
4116	else if (type == SD_BUS_TYPE_VARIANT)
4117	r = bus_message_enter_variant(m, c, contents, &item_size);
4118	else if (type == SD_BUS_TYPE_STRUCT)
4119	r = bus_message_enter_struct(m, c, contents, &item_size, &offsets, &n_offsets);
4120	else if (type == SD_BUS_TYPE_DICT_ENTRY)
4121	r = bus_message_enter_dict_entry(m, c, contents, &item_size, &offsets, &n_offsets);
4122	else
4123	r = -EINVAL22;
4124	if (r <= 0)
4125	return r;
4126
4127	/* OK, let's fill it in */
4128	if (BUS_MESSAGE_IS_GVARIANT(m) &&
4129	type == SD_BUS_TYPE_STRUCT &&
4130	isempty(signature))
4131	end = m->rindex + 0;
4132	else
4133	end = m->rindex + c->item_size;
4134
4135	m->containers[m->n_containers++] = (struct bus_container) {
4136	.enclosing = type,
4137	.signature = TAKE_PTR(signature)({ typeof(signature) _ptr_ = (signature); (signature) = ((void *)0); _ptr_; }),
4138
4139	.before = before,
4140	.begin = m->rindex,
4141	/* Unary type has fixed size of 1, but virtual size of 0 */
4142	.end = end,
4143	.array_size = array_size,
4144	.item_size = item_size,
4145	.offsets = TAKE_PTR(offsets)({ typeof(offsets) _ptr_ = (offsets); (offsets) = ((void*)0); _ptr_; }),
4146	.n_offsets = n_offsets,
4147	};
4148
4149	return 1;
4150	}
4151
4152	_public___attribute__ ((visibility("default"))) int sd_bus_message_exit_container(sd_bus_message *m) {
4153	struct bus_container *c;
4154	unsigned saved;
4155	int r;
4156
4157	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4157, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4158	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4158, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4159	assert_return(m->n_containers > 0, -ENXIO)do { if (!(((__builtin_expect(!!(m->n_containers > 0),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("m->n_containers > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 4159, __PRETTY_FUNCTION__), 0))) return (-6); } while (0);
4160
4161	c = message_get_last_container(m);
4162
4163	if (c->enclosing != SD_BUS_TYPE_ARRAY) {
4164	if (c->signature && c->signature[c->index] != 0)
4165	return -EBUSY16;
4166	}
4167
4168	if (BUS_MESSAGE_IS_GVARIANT(m)) {
4169	if (m->rindex < c->end)
4170	return -EBUSY16;
4171
4172	} else if (c->enclosing == SD_BUS_TYPE_ARRAY) {
4173	uint32_t l;
4174
4175	l = BUS_MESSAGE_BSWAP32(m, *c->array_size);
4176	if (c->begin + l != m->rindex)
4177	return -EBUSY16;
4178	}
4179
4180	message_free_last_container(m);
4181
4182	c = message_get_last_container(m);
4183	saved = c->index;
4184	c->index = c->saved_index;
4185	r = container_next_item(m, c, &m->rindex);
4186	c->index = saved;
4187	if (r < 0)
4188	return r;
4189
4190	return 1;
4191	}
4192
4193	static void message_quit_container(sd_bus_message *m) {
4194	struct bus_container *c;
4195
4196	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4196, __PRETTY_FUNCTION__); } while (0);
4197	assert(m->sealed)do { if ((__builtin_expect(!!(!(m->sealed)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m->sealed"), "../src/libsystemd/sd-bus/bus-message.c" , 4197, __PRETTY_FUNCTION__); } while (0);
4198	assert(m->n_containers > 0)do { if ((__builtin_expect(!!(!(m->n_containers > 0)),0 ))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("m->n_containers > 0" ), "../src/libsystemd/sd-bus/bus-message.c", 4198, __PRETTY_FUNCTION__ ); } while (0);
4199
4200	/* Undo seeks */
4201	c = message_get_last_container(m);
4202	assert(m->rindex >= c->before)do { if ((__builtin_expect(!!(!(m->rindex >= c->before )),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("m->rindex >= c->before" ), "../src/libsystemd/sd-bus/bus-message.c", 4202, __PRETTY_FUNCTION__ ); } while (0);
4203	m->rindex = c->before;
4204
4205	/* Free container */
4206	message_free_last_container(m);
4207
4208	/* Correct index of new top-level container */
4209	c = message_get_last_container(m);
4210	c->index = c->saved_index;
4211	}
4212
4213	_public___attribute__ ((visibility("default"))) int sd_bus_message_peek_type(sd_bus_message m, char type, const char **contents) {
4214	struct bus_container *c;
4215	int r;
4216
4217	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4217, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4218	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4218, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4219
4220	if (message_end_of_signature(m))
4221	goto eof;
4222
4223	if (message_end_of_array(m, m->rindex))
4224	goto eof;
4225
4226	c = message_get_last_container(m);
4227
4228	if (bus_type_is_basic(c->signature[c->index])) {
4229	if (contents)
4230	contents = NULL((void)0);
4231	if (type)
4232	*type = c->signature[c->index];
4233	return 1;
4234	}
4235
4236	if (c->signature[c->index] == SD_BUS_TYPE_ARRAY) {
4237
4238	if (contents) {
4239	size_t l;
4240
4241	r = signature_element_length(c->signature+c->index+1, &l);
4242	if (r < 0)
4243	return r;
4244
4245	/* signature_element_length does verification internally */
4246
4247	/* The array element must not be empty */
4248	assert(l >= 1)do { if ((__builtin_expect(!!(!(l >= 1)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("l >= 1"), "../src/libsystemd/sd-bus/bus-message.c" , 4248, __PRETTY_FUNCTION__); } while (0);
4249	if (free_and_strndup(&c->peeked_signature,
4250	c->signature + c->index + 1, l) < 0)
4251	return -ENOMEM12;
4252
4253	*contents = c->peeked_signature;
4254	}
4255
4256	if (type)
4257	*type = SD_BUS_TYPE_ARRAY;
4258
4259	return 1;
4260	}
4261
4262	if (IN_SET(c->signature[c->index], SD_BUS_TYPE_STRUCT_BEGIN, SD_BUS_TYPE_DICT_ENTRY_BEGIN)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRUCT_BEGIN, SD_BUS_TYPE_DICT_ENTRY_BEGIN })/sizeof(int)]; switch(c->signature[c->index]) { case SD_BUS_TYPE_STRUCT_BEGIN : case SD_BUS_TYPE_DICT_ENTRY_BEGIN: _found = 1; break; default : break; } _found; })) {
4263
4264	if (contents) {
4265	size_t l;
4266
4267	r = signature_element_length(c->signature+c->index, &l);
4268	if (r < 0)
4269	return r;
4270
4271	assert(l >= 3)do { if ((__builtin_expect(!!(!(l >= 3)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("l >= 3"), "../src/libsystemd/sd-bus/bus-message.c" , 4271, __PRETTY_FUNCTION__); } while (0);
4272	if (free_and_strndup(&c->peeked_signature,
4273	c->signature + c->index + 1, l - 2) < 0)
4274	return -ENOMEM12;
4275
4276	*contents = c->peeked_signature;
4277	}
4278
4279	if (type)
4280	*type = c->signature[c->index] == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY;
4281
4282	return 1;
4283	}
4284
4285	if (c->signature[c->index] == SD_BUS_TYPE_VARIANT) {
4286	if (contents) {
4287	void *q;
4288
4289	if (BUS_MESSAGE_IS_GVARIANT(m)) {
4290	size_t k;
4291
4292	if (c->item_size < 2)
4293	return -EBADMSG74;
4294
4295	/* Look for the NUL delimiter that
4296	separates the payload from the
4297	signature. Since the body might be
4298	in a different part that then the
4299	signature we map byte by byte. */
4300
4301	for (k = 2; k <= c->item_size; k++) {
4302	size_t where;
4303
4304	where = m->rindex + c->item_size - k;
4305	r = message_peek_body(m, &where, 1, k, &q);
4306	if (r < 0)
4307	return r;
4308
4309	if ((char) q == 0)
4310	break;
4311	}
4312
4313	if (k > c->item_size)
4314	return -EBADMSG74;
4315
4316	if (free_and_strndup(&c->peeked_signature,
4317	(char*) q + 1, k - 1) < 0)
4318	return -ENOMEM12;
4319
4320	if (!signature_is_valid(c->peeked_signature, true1))
4321	return -EBADMSG74;
4322
4323	*contents = c->peeked_signature;
4324	} else {
4325	size_t rindex, l;
4326
4327	rindex = m->rindex;
4328	r = message_peek_body(m, &rindex, 1, 1, &q);
4329	if (r < 0)
4330	return r;
4331
4332	l = (uint8_t) q;
4333	if (l == UINT8_MAX(255))
4334	/* avoid overflow right below */
4335	return -EBADMSG74;
4336
4337	r = message_peek_body(m, &rindex, 1, l+1, &q);
4338	if (r < 0)
4339	return r;
4340
4341	if (!validate_signature(q, l))
4342	return -EBADMSG74;
4343
4344	*contents = q;
4345	}
4346	}
4347
4348	if (type)
4349	*type = SD_BUS_TYPE_VARIANT;
4350
4351	return 1;
4352	}
4353
4354	return -EINVAL22;
4355
4356	eof:
4357	if (type)
4358	*type = 0;
4359	if (contents)
4360	contents = NULL((void)0);
4361	return 0;
4362	}
4363
4364	_public___attribute__ ((visibility("default"))) int sd_bus_message_rewind(sd_bus_message *m, int complete) {
4365	struct bus_container *c;
4366
4367	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4367, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4368	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4368, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4369
4370	if (complete) {
4371	message_reset_containers(m);
4372	m->rindex = 0;
4373
4374	c = message_get_last_container(m);
4375	} else {
4376	c = message_get_last_container(m);
4377
4378	c->index = 0;
4379	m->rindex = c->begin;
4380	}
4381
4382	c->offset_index = 0;
4383	c->item_size = (c->n_offsets > 0 ? c->offsets[0] : c->end) - c->begin;
4384
4385	return !isempty(c->signature);
4386	}
4387
4388	static int message_read_ap(
4389	sd_bus_message *m,
4390	const char *types,
4391	va_list ap) {
4392
4393	unsigned n_array, n_struct;
4394	TypeStack stack[BUS_CONTAINER_DEPTH128];
4395	unsigned stack_ptr = 0;
4396	unsigned n_loop = 0;
4397	int r;
4398
4399	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4399, __PRETTY_FUNCTION__); } while (0);
4400
4401	if (isempty(types))
4402	return 0;
4403
4404	/* Ideally, we'd just call ourselves recursively on every
4405	* complex type. However, the state of a va_list that is
4406	* passed to a function is undefined after that function
4407	* returns. This means we need to decode the va_list linearly
4408	* in a single stackframe. We hence implement our own
4409	* home-grown stack in an array. */
4410
4411	n_array = (unsigned) -1; /* length of current array entries */
4412	n_struct = strlen(types); /* length of current struct contents signature */
4413
4414	for (;;) {
4415	const char *t;
4416
4417	n_loop++;
4418
4419	if (n_array == 0 \|\| (n_array == (unsigned) -1 && n_struct == 0)) {
4420	r = type_stack_pop(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, &types, &n_struct, &n_array);
4421	if (r < 0)
4422	return r;
4423	if (r == 0)
4424	break;
4425
4426	r = sd_bus_message_exit_container(m);
4427	if (r < 0)
4428	return r;
4429
4430	continue;
4431	}
4432
4433	t = types;
4434	if (n_array != (unsigned) -1)
4435	n_array--;
4436	else {
4437	types++;
4438	n_struct--;
4439	}
4440
4441	switch (*t) {
4442
4443	case SD_BUS_TYPE_BYTE:
4444	case SD_BUS_TYPE_BOOLEAN:
4445	case SD_BUS_TYPE_INT16:
4446	case SD_BUS_TYPE_UINT16:
4447	case SD_BUS_TYPE_INT32:
4448	case SD_BUS_TYPE_UINT32:
4449	case SD_BUS_TYPE_INT64:
4450	case SD_BUS_TYPE_UINT64:
4451	case SD_BUS_TYPE_DOUBLE:
4452	case SD_BUS_TYPE_STRING:
4453	case SD_BUS_TYPE_OBJECT_PATH:
4454	case SD_BUS_TYPE_SIGNATURE:
4455	case SD_BUS_TYPE_UNIX_FD: {
4456	void *p;
4457
4458	p = va_arg(ap, void)__builtin_va_arg(ap, void);
4459	r = sd_bus_message_read_basic(m, *t, p);
4460	if (r < 0)
4461	return r;
4462	if (r == 0) {
4463	if (n_loop <= 1)
4464	return 0;
4465
4466	return -ENXIO6;
4467	}
4468
4469	break;
4470	}
4471
4472	case SD_BUS_TYPE_ARRAY: {
4473	size_t k;
4474
4475	r = signature_element_length(t + 1, &k);
4476	if (r < 0)
4477	return r;
4478
4479	{
4480	char s[k + 1];
4481	memcpy(s, t + 1, k);
4482	s[k] = 0;
4483
4484	r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, s);
4485	if (r < 0)
4486	return r;
4487	if (r == 0) {
4488	if (n_loop <= 1)
4489	return 0;
4490
4491	return -ENXIO6;
4492	}
4493	}
4494
4495	if (n_array == (unsigned) -1) {
4496	types += k;
4497	n_struct -= k;
4498	}
4499
4500	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
4501	if (r < 0)
4502	return r;
4503
4504	types = t + 1;
4505	n_struct = k;
4506	n_array = va_arg(ap, unsigned)__builtin_va_arg(ap, unsigned);
4507
4508	break;
4509	}
4510
4511	case SD_BUS_TYPE_VARIANT: {
4512	const char *s;
4513
4514	s = va_arg(ap, const char )__builtin_va_arg(ap, const char );
4515	if (!s)
4516	return -EINVAL22;
4517
4518	r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, s);
4519	if (r < 0)
4520	return r;
4521	if (r == 0) {
4522	if (n_loop <= 1)
4523	return 0;
4524
4525	return -ENXIO6;
4526	}
4527
4528	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
4529	if (r < 0)
4530	return r;
4531
4532	types = s;
4533	n_struct = strlen(s);
4534	n_array = (unsigned) -1;
4535
4536	break;
4537	}
4538
4539	case SD_BUS_TYPE_STRUCT_BEGIN:
4540	case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
4541	size_t k;
4542
4543	r = signature_element_length(t, &k);
4544	if (r < 0)
4545	return r;
4546
4547	{
4548	char s[k - 1];
4549	memcpy(s, t + 1, k - 2);
4550	s[k - 2] = 0;
4551
4552	r = sd_bus_message_enter_container(m, *t == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
4553	if (r < 0)
4554	return r;
4555	if (r == 0) {
4556	if (n_loop <= 1)
4557	return 0;
4558	return -ENXIO6;
4559	}
4560	}
4561
4562	if (n_array == (unsigned) -1) {
4563	types += k - 1;
4564	n_struct -= k - 1;
4565	}
4566
4567	r = type_stack_push(stack, ELEMENTSOF(stack)__extension__ (__builtin_choose_expr( !__builtin_types_compatible_p (typeof(stack), typeof(&*(stack))), sizeof(stack)/sizeof( (stack)[0]), ((void)0))), &stack_ptr, types, n_struct, n_array);
4568	if (r < 0)
4569	return r;
4570
4571	types = t + 1;
4572	n_struct = k - 2;
4573	n_array = (unsigned) -1;
4574
4575	break;
4576	}
4577
4578	default:
4579	return -EINVAL22;
4580	}
4581	}
4582
4583	return 1;
4584	}
4585
4586	_public___attribute__ ((visibility("default"))) int sd_bus_message_read(sd_bus_message m, const char types, ...) {
4587	va_list ap;
4588	int r;
4589
4590	va_start(ap, types)__builtin_va_start(ap, types);
4591	r = message_read_ap(m, types, ap);
4592	va_end(ap)__builtin_va_end(ap);
4593
4594	return r;
4595	}
4596
4597	_public___attribute__ ((visibility("default"))) int sd_bus_message_skip(sd_bus_message m, const char types) {
4598	int r;
4599
4600	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4600, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4601	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4601, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4602
4603	/* If types is NULL, read exactly one element */
4604	if (!types) {
4605	struct bus_container *c;
4606	size_t l;
4607
4608	if (message_end_of_signature(m))
4609	return -ENXIO6;
4610
4611	if (message_end_of_array(m, m->rindex))
4612	return 0;
4613
4614	c = message_get_last_container(m);
4615
4616	r = signature_element_length(c->signature + c->index, &l);
4617	if (r < 0)
4618	return r;
4619
4620	types = strndupa(c->signature + c->index, l)(__extension__ ({ const char __old = (c->signature + c-> index); size_t __len = strnlen (__old, (l)); char __new = (char ) __builtin_alloca (__len + 1); __new[__len] = '\0'; (char ) memcpy (__new, __old, __len); }));
4621	}
4622
4623	switch (*types) {
4624
4625	case 0: /* Nothing to drop */
4626	return 0;
4627
4628	case SD_BUS_TYPE_BYTE:
4629	case SD_BUS_TYPE_BOOLEAN:
4630	case SD_BUS_TYPE_INT16:
4631	case SD_BUS_TYPE_UINT16:
4632	case SD_BUS_TYPE_INT32:
4633	case SD_BUS_TYPE_UINT32:
4634	case SD_BUS_TYPE_INT64:
4635	case SD_BUS_TYPE_UINT64:
4636	case SD_BUS_TYPE_DOUBLE:
4637	case SD_BUS_TYPE_STRING:
4638	case SD_BUS_TYPE_OBJECT_PATH:
4639	case SD_BUS_TYPE_SIGNATURE:
4640	case SD_BUS_TYPE_UNIX_FD:
4641
4642	r = sd_bus_message_read_basic(m, types, NULL((void)0));
4643	if (r <= 0)
4644	return r;
4645
4646	r = sd_bus_message_skip(m, types + 1);
4647	if (r < 0)
4648	return r;
4649
4650	return 1;
4651
4652	case SD_BUS_TYPE_ARRAY: {
4653	size_t k;
4654
4655	r = signature_element_length(types + 1, &k);
4656	if (r < 0)
4657	return r;
4658
4659	{
4660	char s[k+1];
4661	memcpy(s, types+1, k);
4662	s[k] = 0;
4663
4664	r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, s);
4665	if (r <= 0)
4666	return r;
4667
4668	for (;;) {
4669	r = sd_bus_message_skip(m, s);
4670	if (r < 0)
4671	return r;
4672	if (r == 0)
4673	break;
4674	}
4675
4676	r = sd_bus_message_exit_container(m);
4677	if (r < 0)
4678	return r;
4679	}
4680
4681	r = sd_bus_message_skip(m, types + 1 + k);
4682	if (r < 0)
4683	return r;
4684
4685	return 1;
4686	}
4687
4688	case SD_BUS_TYPE_VARIANT: {
4689	const char *contents;
4690	char x;
4691
4692	r = sd_bus_message_peek_type(m, &x, &contents);
4693	if (r <= 0)
4694	return r;
4695
4696	if (x != SD_BUS_TYPE_VARIANT)
4697	return -ENXIO6;
4698
4699	r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, contents);
4700	if (r <= 0)
4701	return r;
4702
4703	r = sd_bus_message_skip(m, contents);
4704	if (r < 0)
4705	return r;
4706	assert(r != 0)do { if ((__builtin_expect(!!(!(r != 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("r != 0"), "../src/libsystemd/sd-bus/bus-message.c" , 4706, __PRETTY_FUNCTION__); } while (0);
4707
4708	r = sd_bus_message_exit_container(m);
4709	if (r < 0)
4710	return r;
4711
4712	r = sd_bus_message_skip(m, types + 1);
4713	if (r < 0)
4714	return r;
4715
4716	return 1;
4717	}
4718
4719	case SD_BUS_TYPE_STRUCT_BEGIN:
4720	case SD_BUS_TYPE_DICT_ENTRY_BEGIN: {
4721	size_t k;
4722
4723	r = signature_element_length(types, &k);
4724	if (r < 0)
4725	return r;
4726
4727	{
4728	char s[k-1];
4729	memcpy(s, types+1, k-2);
4730	s[k-2] = 0;
4731
4732	r = sd_bus_message_enter_container(m, *types == SD_BUS_TYPE_STRUCT_BEGIN ? SD_BUS_TYPE_STRUCT : SD_BUS_TYPE_DICT_ENTRY, s);
4733	if (r <= 0)
4734	return r;
4735
4736	r = sd_bus_message_skip(m, s);
4737	if (r < 0)
4738	return r;
4739
4740	r = sd_bus_message_exit_container(m);
4741	if (r < 0)
4742	return r;
4743	}
4744
4745	r = sd_bus_message_skip(m, types + k);
4746	if (r < 0)
4747	return r;
4748
4749	return 1;
4750	}
4751
4752	default:
4753	return -EINVAL22;
4754	}
4755	}
4756
4757	_public___attribute__ ((visibility("default"))) int sd_bus_message_read_array(
4758	sd_bus_message *m,
4759	char type,
4760	const void **ptr,
4761	size_t *size) {
4762
4763	struct bus_container *c;
4764	void *p;
4765	size_t sz;
4766	ssize_t align;
4767	int r;
4768
4769	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4769, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4770	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 4770, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
4771	assert_return(bus_type_is_trivial(type), -EINVAL)do { if (!(((__builtin_expect(!!(bus_type_is_trivial(type)),1 ))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("bus_type_is_trivial(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 4771, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4772	assert_return(ptr, -EINVAL)do { if (!(((__builtin_expect(!!(ptr),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("ptr"), "../src/libsystemd/sd-bus/bus-message.c" , 4772, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4773	assert_return(size, -EINVAL)do { if (!(((__builtin_expect(!!(size),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("size"), "../src/libsystemd/sd-bus/bus-message.c" , 4773, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
4774	assert_return(!BUS_MESSAGE_NEED_BSWAP(m), -EOPNOTSUPP)do { if (!(((__builtin_expect(!!(!BUS_MESSAGE_NEED_BSWAP(m)), 1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!BUS_MESSAGE_NEED_BSWAP(m)"), "../src/libsystemd/sd-bus/bus-message.c" , 4774, __PRETTY_FUNCTION__), 0))) return (-95); } while (0);
4775
4776	r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, CHAR_TO_STR(type)((char[2]) { type, 0 }));
4777	if (r <= 0)
4778	return r;
4779
4780	c = message_get_last_container(m);
4781
4782	if (BUS_MESSAGE_IS_GVARIANT(m)) {
4783	align = bus_gvariant_get_alignment(CHAR_TO_STR(type)((char[2]) { type, 0 }));
4784	if (align < 0)
4785	return align;
4786
4787	sz = c->end - c->begin;
4788	} else {
4789	align = bus_type_get_alignment(type);
4790	if (align < 0)
4791	return align;
4792
4793	sz = BUS_MESSAGE_BSWAP32(m, *c->array_size);
4794	}
4795
4796	if (sz == 0)
4797	/* Zero length array, let's return some aligned
4798	* pointer that is not NULL */
4799	p = (uint8_t*) align;
4800	else {
4801	r = message_peek_body(m, &m->rindex, align, sz, &p);
4802	if (r < 0)
4803	goto fail;
4804	}
4805
4806	r = sd_bus_message_exit_container(m);
4807	if (r < 0)
4808	goto fail;
4809
4810	ptr = (const void) p;
4811	*size = sz;
4812
4813	return 1;
4814
4815	fail:
4816	message_quit_container(m);
4817	return r;
4818	}
4819
4820	static int message_peek_fields(
4821	sd_bus_message *m,
4822	size_t *rindex,
4823	size_t align,
4824	size_t nbytes,
4825	void **ret) {
4826
4827	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4827, __PRETTY_FUNCTION__); } while (0);
4828	assert(rindex)do { if ((__builtin_expect(!!(!(rindex)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("rindex"), "../src/libsystemd/sd-bus/bus-message.c" , 4828, __PRETTY_FUNCTION__); } while (0);
4829	assert(align > 0)do { if ((__builtin_expect(!!(!(align > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("align > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 4829, __PRETTY_FUNCTION__); } while (0);
4830
4831	return buffer_peek(BUS_MESSAGE_FIELDS(m), m->fields_size, rindex, align, nbytes, ret);
4832	}
4833
4834	static int message_peek_field_uint32(
4835	sd_bus_message *m,
4836	size_t *ri,
4837	size_t item_size,
4838	uint32_t *ret) {
4839
4840	int r;
4841	void *q;
4842
4843	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4843, __PRETTY_FUNCTION__); } while (0);
4844	assert(ri)do { if ((__builtin_expect(!!(!(ri)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ri"), "../src/libsystemd/sd-bus/bus-message.c" , 4844, __PRETTY_FUNCTION__); } while (0);
4845
4846	if (BUS_MESSAGE_IS_GVARIANT(m) && item_size != 4)
4847	return -EBADMSG74;
4848
4849	/* identical for gvariant and dbus1 */
4850
4851	r = message_peek_fields(m, ri, 4, 4, &q);
4852	if (r < 0)
4853	return r;
4854
4855	if (ret)
4856	ret = BUS_MESSAGE_BSWAP32(m, (uint32_t*) q);
4857
4858	return 0;
4859	}
4860
4861	static int message_peek_field_uint64(
4862	sd_bus_message *m,
4863	size_t *ri,
4864	size_t item_size,
4865	uint64_t *ret) {
4866
4867	int r;
4868	void *q;
4869
4870	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4870, __PRETTY_FUNCTION__); } while (0);
4871	assert(ri)do { if ((__builtin_expect(!!(!(ri)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ri"), "../src/libsystemd/sd-bus/bus-message.c" , 4871, __PRETTY_FUNCTION__); } while (0);
4872
4873	if (BUS_MESSAGE_IS_GVARIANT(m) && item_size != 8)
4874	return -EBADMSG74;
4875
4876	/* identical for gvariant and dbus1 */
4877
4878	r = message_peek_fields(m, ri, 8, 8, &q);
4879	if (r < 0)
4880	return r;
4881
4882	if (ret)
4883	ret = BUS_MESSAGE_BSWAP64(m, (uint64_t*) q);
4884
4885	return 0;
4886	}
4887
4888	static int message_peek_field_string(
4889	sd_bus_message *m,
4890	bool_Bool (validate)(const char p),
4891	size_t *ri,
4892	size_t item_size,
4893	const char **ret) {
4894
4895	uint32_t l;
4896	int r;
4897	void *q;
4898
4899	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4899, __PRETTY_FUNCTION__); } while (0);
4900	assert(ri)do { if ((__builtin_expect(!!(!(ri)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ri"), "../src/libsystemd/sd-bus/bus-message.c" , 4900, __PRETTY_FUNCTION__); } while (0);
4901
4902	if (BUS_MESSAGE_IS_GVARIANT(m)) {
4903
4904	if (item_size <= 0)
4905	return -EBADMSG74;
4906
4907	r = message_peek_fields(m, ri, 1, item_size, &q);
4908	if (r < 0)
4909	return r;
4910
4911	l = item_size - 1;
4912	} else {
4913	r = message_peek_field_uint32(m, ri, 4, &l);
4914	if (r < 0)
4915	return r;
4916
4917	if (l == UINT32_MAX(4294967295U))
4918	/* avoid overflow right below */
4919	return -EBADMSG74;
4920
4921	r = message_peek_fields(m, ri, 1, l+1, &q);
4922	if (r < 0)
4923	return r;
4924	}
4925
4926	if (validate) {
4927	if (!validate_nul(q, l))
4928	return -EBADMSG74;
4929
4930	if (!validate(q))
4931	return -EBADMSG74;
4932	} else {
4933	if (!validate_string(q, l))
4934	return -EBADMSG74;
4935	}
4936
4937	if (ret)
4938	*ret = q;
4939
4940	return 0;
4941	}
4942
4943	static int message_peek_field_signature(
4944	sd_bus_message *m,
4945	size_t *ri,
4946	size_t item_size,
4947	const char **ret) {
4948
4949	size_t l;
4950	int r;
4951	void *q;
4952
4953	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4953, __PRETTY_FUNCTION__); } while (0);
4954	assert(ri)do { if ((__builtin_expect(!!(!(ri)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ri"), "../src/libsystemd/sd-bus/bus-message.c" , 4954, __PRETTY_FUNCTION__); } while (0);
4955
4956	if (BUS_MESSAGE_IS_GVARIANT(m)) {
4957
4958	if (item_size <= 0)
4959	return -EBADMSG74;
4960
4961	r = message_peek_fields(m, ri, 1, item_size, &q);
4962	if (r < 0)
4963	return r;
4964
4965	l = item_size - 1;
4966	} else {
4967	r = message_peek_fields(m, ri, 1, 1, &q);
4968	if (r < 0)
4969	return r;
4970
4971	l = (uint8_t) q;
4972	if (l == UINT8_MAX(255))
4973	/* avoid overflow right below */
4974	return -EBADMSG74;
4975
4976	r = message_peek_fields(m, ri, 1, l+1, &q);
4977	if (r < 0)
4978	return r;
4979	}
4980
4981	if (!validate_signature(q, l))
4982	return -EBADMSG74;
4983
4984	if (ret)
4985	*ret = q;
4986
4987	return 0;
4988	}
4989
4990	static int message_skip_fields(
4991	sd_bus_message *m,
4992	size_t *ri,
4993	uint32_t array_size,
4994	const char **signature) {
4995
4996	size_t original_index;
4997	int r;
4998
4999	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 4999, __PRETTY_FUNCTION__); } while (0);
5000	assert(ri)do { if ((__builtin_expect(!!(!(ri)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("ri"), "../src/libsystemd/sd-bus/bus-message.c" , 5000, __PRETTY_FUNCTION__); } while (0);
5001	assert(signature)do { if ((__builtin_expect(!!(!(signature)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("signature"), "../src/libsystemd/sd-bus/bus-message.c" , 5001, __PRETTY_FUNCTION__); } while (0);
5002	assert(!BUS_MESSAGE_IS_GVARIANT(m))do { if ((__builtin_expect(!!(!(!BUS_MESSAGE_IS_GVARIANT(m))) ,0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("!BUS_MESSAGE_IS_GVARIANT(m)" ), "../src/libsystemd/sd-bus/bus-message.c", 5002, __PRETTY_FUNCTION__ ); } while (0);
5003
5004	original_index = *ri;
5005
5006	for (;;) {
5007	char t;
5008	size_t l;
5009
5010	if (array_size != (uint32_t) -1 &&
5011	array_size <= *ri - original_index)
5012	return 0;
5013
5014	t = **signature;
5015	if (!t)
5016	return 0;
5017
5018	if (t == SD_BUS_TYPE_STRING) {
5019
5020	r = message_peek_field_string(m, NULL((void)0), ri, 0, NULL((void)0));
5021	if (r < 0)
5022	return r;
5023
5024	(*signature)++;
5025
5026	} else if (t == SD_BUS_TYPE_OBJECT_PATH) {
5027
5028	r = message_peek_field_string(m, object_path_is_valid, ri, 0, NULL((void*)0));
5029	if (r < 0)
5030	return r;
5031
5032	(*signature)++;
5033
5034	} else if (t == SD_BUS_TYPE_SIGNATURE) {
5035
5036	r = message_peek_field_signature(m, ri, 0, NULL((void*)0));
5037	if (r < 0)
5038	return r;
5039
5040	(*signature)++;
5041
5042	} else if (bus_type_is_basic(t)) {
5043	ssize_t align, k;
5044
5045	align = bus_type_get_alignment(t);
5046	k = bus_type_get_size(t);
5047	assert(align > 0 && k > 0)do { if ((__builtin_expect(!!(!(align > 0 && k > 0)),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD, ("align > 0 && k > 0" ), "../src/libsystemd/sd-bus/bus-message.c", 5047, __PRETTY_FUNCTION__ ); } while (0);
5048
5049	r = message_peek_fields(m, ri, align, k, NULL((void*)0));
5050	if (r < 0)
5051	return r;
5052
5053	(*signature)++;
5054
5055	} else if (t == SD_BUS_TYPE_ARRAY) {
5056
5057	r = signature_element_length(*signature + 1, &l);
5058	if (r < 0)
5059	return r;
5060
5061	assert(l >= 1)do { if ((__builtin_expect(!!(!(l >= 1)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("l >= 1"), "../src/libsystemd/sd-bus/bus-message.c" , 5061, __PRETTY_FUNCTION__); } while (0);
5062	{
5063	char sig[l + 1], *s = sig;
5064	uint32_t nas;
5065	int alignment;
5066
5067	strncpy(sig, *signature + 1, l);
5068	sig[l] = '\0';
5069
5070	alignment = bus_type_get_alignment(sig[0]);
5071	if (alignment < 0)
5072	return alignment;
5073
5074	r = message_peek_field_uint32(m, ri, 0, &nas);
5075	if (r < 0)
5076	return r;
5077	if (nas > BUS_ARRAY_MAX_SIZE67108864)
5078	return -EBADMSG74;
5079
5080	r = message_peek_fields(m, ri, alignment, 0, NULL((void*)0));
5081	if (r < 0)
5082	return r;
5083
5084	r = message_skip_fields(m, ri, nas, (const char**) &s);
5085	if (r < 0)
5086	return r;
5087	}
5088
5089	(*signature) += 1 + l;
5090
5091	} else if (t == SD_BUS_TYPE_VARIANT) {
5092	const char *s;
5093
5094	r = message_peek_field_signature(m, ri, 0, &s);
5095	if (r < 0)
5096	return r;
5097
5098	r = message_skip_fields(m, ri, (uint32_t) -1, (const char**) &s);
5099	if (r < 0)
5100	return r;
5101
5102	(*signature)++;
5103
5104	} else if (IN_SET(t, SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRUCT, SD_BUS_TYPE_DICT_ENTRY })/sizeof(int)]; switch(t) { case SD_BUS_TYPE_STRUCT: case SD_BUS_TYPE_DICT_ENTRY : _found = 1; break; default: break; } _found; })) {
5105
5106	r = signature_element_length(*signature, &l);
5107	if (r < 0)
5108	return r;
5109
5110	assert(l >= 2)do { if ((__builtin_expect(!!(!(l >= 2)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("l >= 2"), "../src/libsystemd/sd-bus/bus-message.c" , 5110, __PRETTY_FUNCTION__); } while (0);
5111	{
5112	char sig[l + 1], *s = sig;
5113	strncpy(sig, *signature + 1, l);
5114	sig[l] = '\0';
5115
5116	r = message_skip_fields(m, ri, (uint32_t) -1, (const char**) &s);
5117	if (r < 0)
5118	return r;
5119	}
5120
5121	*signature += l;
5122	} else
5123	return -EBADMSG74;
5124	}
5125	}
5126
5127	int bus_message_parse_fields(sd_bus_message *m) {
5128	size_t ri;
5129	int r;
5130	uint32_t unix_fds = 0;
5131	bool_Bool unix_fds_set = false0;
5132	void offsets = NULL((void)0);
5133	unsigned n_offsets = 0;
5134	size_t sz = 0;
5135	unsigned i = 0;
5136
5137	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5137, __PRETTY_FUNCTION__); } while (0);
5138
5139	if (BUS_MESSAGE_IS_GVARIANT(m)) {
5140	char *p;
5141
5142	/* Read the signature from the end of the body variant first */
5143	sz = bus_gvariant_determine_word_size(BUS_MESSAGE_SIZE(m), 0);
5144	if (m->footer_accessible < 1 + sz)
5145	return -EBADMSG74;
5146
5147	p = (char*) m->footer + m->footer_accessible - (1 + sz);
5148	for (;;) {
5149	if (p < (char*) m->footer)
5150	return -EBADMSG74;
5151
5152	if (*p == 0) {
5153	char *k;
5154	size_t l;
5155
5156	/* We found the beginning of the signature
5157	* string, yay! We require the body to be a
5158	* structure, so verify it and then strip the
5159	* opening/closing brackets. */
5160
5161	l = (char*) m->footer + m->footer_accessible - p - (1 + sz);
5162	if (l < 2 \|\|
5163	p[1] != SD_BUS_TYPE_STRUCT_BEGIN \|\|
5164	p[1 + l - 1] != SD_BUS_TYPE_STRUCT_END)
5165	return -EBADMSG74;
5166
5167	k = memdup_suffix0(p + 1 + 1, l - 2);
5168	if (!k)
5169	return -ENOMEM12;
5170
5171	free_and_replace(m->root_container.signature, k)({ free(m->root_container.signature); (m->root_container .signature) = (k); (k) = ((void*)0); 0; });
5172	break;
5173	}
5174
5175	p--;
5176	}
5177
5178	/* Calculate the actual user body size, by removing
5179	* the trailing variant signature and struct offset
5180	* table */
5181	m->user_body_size = m->body_size - ((char*) m->footer + m->footer_accessible - p);
5182
5183	/* Pull out the offset table for the fields array */
5184	sz = bus_gvariant_determine_word_size(m->fields_size, 0);
5185	if (sz > 0) {
5186	size_t framing;
5187	void *q;
5188
5189	ri = m->fields_size - sz;
5190	r = message_peek_fields(m, &ri, 1, sz, &q);
5191	if (r < 0)
5192	return r;
5193
5194	framing = bus_gvariant_read_word_le(q, sz);
5195	if (framing >= m->fields_size - sz)
5196	return -EBADMSG74;
5197	if ((m->fields_size - framing) % sz != 0)
5198	return -EBADMSG74;
5199
5200	ri = framing;
5201	r = message_peek_fields(m, &ri, 1, m->fields_size - framing, &offsets);
5202	if (r < 0)
5203	return r;
5204
5205	n_offsets = (m->fields_size - framing) / sz;
5206	}
5207	} else
5208	m->user_body_size = m->body_size;
5209
5210	ri = 0;
5211	while (ri < m->fields_size) {
5212	_cleanup_free___attribute__((cleanup(freep))) char sig = NULL((void)0);
5213	const char *signature;
5214	uint64_t field_type;
5215	size_t item_size = (size_t) -1;
5216
5217	if (BUS_MESSAGE_IS_GVARIANT(m)) {
5218	uint64_t *u64;
5219
5220	if (i >= n_offsets)
5221	break;
5222
5223	if (i == 0)
5224	ri = 0;
5225	else
5226	ri = ALIGN_TO(bus_gvariant_read_word_le((uint8_t) offsets + (i-1)sz, sz), 8);
5227
5228	r = message_peek_fields(m, &ri, 8, 8, (void**) &u64);
5229	if (r < 0)
5230	return r;
5231
5232	field_type = BUS_MESSAGE_BSWAP64(m, *u64);
5233	} else {
5234	uint8_t *u8;
5235
5236	r = message_peek_fields(m, &ri, 8, 1, (void**) &u8);
5237	if (r < 0)
5238	return r;
5239
5240	field_type = *u8;
5241	}
5242
5243	if (BUS_MESSAGE_IS_GVARIANT(m)) {
5244	size_t where, end;
5245	char *b;
5246	void *q;
5247
5248	end = bus_gvariant_read_word_le((uint8_t) offsets + isz, sz);
5249
5250	if (end < ri)
5251	return -EBADMSG74;
5252
5253	where = ri = ALIGN_TO(ri, 8);
5254	item_size = end - ri;
5255	r = message_peek_fields(m, &where, 1, item_size, &q);
5256	if (r < 0)
5257	return r;
5258
5259	b = memrchr(q, 0, item_size);
5260	if (!b)
5261	return -EBADMSG74;
5262
5263	sig = strndup(b+1, item_size - (b+1-(char*) q));
5264	if (!sig)
5265	return -ENOMEM12;
5266
5267	signature = sig;
5268	item_size = b - (char*) q;
5269	} else {
5270	r = message_peek_field_signature(m, &ri, 0, &signature);
5271	if (r < 0)
5272	return r;
5273	}
5274
5275	switch (field_type) {
5276
5277	case _BUS_MESSAGE_HEADER_INVALID:
5278	return -EBADMSG74;
5279
5280	case BUS_MESSAGE_HEADER_PATH:
5281
5282	if (m->path)
5283	return -EBADMSG74;
5284
5285	if (!streq(signature, "o")(strcmp((signature),("o")) == 0))
5286	return -EBADMSG74;
5287
5288	r = message_peek_field_string(m, object_path_is_valid, &ri, item_size, &m->path);
5289	break;
5290
5291	case BUS_MESSAGE_HEADER_INTERFACE:
5292
5293	if (m->interface)
5294	return -EBADMSG74;
5295
5296	if (!streq(signature, "s")(strcmp((signature),("s")) == 0))
5297	return -EBADMSG74;
5298
5299	r = message_peek_field_string(m, interface_name_is_valid, &ri, item_size, &m->interface);
5300	break;
5301
5302	case BUS_MESSAGE_HEADER_MEMBER:
5303
5304	if (m->member)
5305	return -EBADMSG74;
5306
5307	if (!streq(signature, "s")(strcmp((signature),("s")) == 0))
5308	return -EBADMSG74;
5309
5310	r = message_peek_field_string(m, member_name_is_valid, &ri, item_size, &m->member);
5311	break;
5312
5313	case BUS_MESSAGE_HEADER_ERROR_NAME:
5314
5315	if (m->error.name)
5316	return -EBADMSG74;
5317
5318	if (!streq(signature, "s")(strcmp((signature),("s")) == 0))
5319	return -EBADMSG74;
5320
5321	r = message_peek_field_string(m, error_name_is_validinterface_name_is_valid, &ri, item_size, &m->error.name);
5322	if (r >= 0)
5323	m->error._need_free = -1;
5324
5325	break;
5326
5327	case BUS_MESSAGE_HEADER_DESTINATION:
5328
5329	if (m->destination)
5330	return -EBADMSG74;
5331
5332	if (!streq(signature, "s")(strcmp((signature),("s")) == 0))
5333	return -EBADMSG74;
5334
5335	r = message_peek_field_string(m, service_name_is_valid, &ri, item_size, &m->destination);
5336	break;
5337
5338	case BUS_MESSAGE_HEADER_SENDER:
5339
5340	if (m->sender)
5341	return -EBADMSG74;
5342
5343	if (!streq(signature, "s")(strcmp((signature),("s")) == 0))
5344	return -EBADMSG74;
5345
5346	r = message_peek_field_string(m, service_name_is_valid, &ri, item_size, &m->sender);
5347
5348	if (r >= 0 && m->sender[0] == ':' && m->bus->bus_client) {
5349	m->creds.unique_name = (char*) m->sender;
5350	m->creds.mask \|= SD_BUS_CREDS_UNIQUE_NAME & m->bus->creds_mask;
5351	}
5352
5353	break;
5354
5355	case BUS_MESSAGE_HEADER_SIGNATURE: {
5356	const char *s;
5357	char *c;
5358
5359	if (BUS_MESSAGE_IS_GVARIANT(m)) /* only applies to dbus1 */
5360	return -EBADMSG74;
5361
5362	if (m->root_container.signature)
5363	return -EBADMSG74;
5364
5365	if (!streq(signature, "g")(strcmp((signature),("g")) == 0))
5366	return -EBADMSG74;
5367
5368	r = message_peek_field_signature(m, &ri, item_size, &s);
5369	if (r < 0)
5370	return r;
5371
5372	c = strdup(s);
5373	if (!c)
5374	return -ENOMEM12;
5375
5376	free_and_replace(m->root_container.signature, c)({ free(m->root_container.signature); (m->root_container .signature) = (c); (c) = ((void*)0); 0; });
5377	break;
5378	}
5379
5380	case BUS_MESSAGE_HEADER_REPLY_SERIAL:
5381
5382	if (m->reply_cookie != 0)
5383	return -EBADMSG74;
5384
5385	if (BUS_MESSAGE_IS_GVARIANT(m)) {
5386	/* 64bit on dbus2 */
5387
5388	if (!streq(signature, "t")(strcmp((signature),("t")) == 0))
5389	return -EBADMSG74;
5390
5391	r = message_peek_field_uint64(m, &ri, item_size, &m->reply_cookie);
5392	if (r < 0)
5393	return r;
5394	} else {
5395	/* 32bit on dbus1 */
5396	uint32_t serial;
5397
5398	if (!streq(signature, "u")(strcmp((signature),("u")) == 0))
5399	return -EBADMSG74;
5400
5401	r = message_peek_field_uint32(m, &ri, item_size, &serial);
5402	if (r < 0)
5403	return r;
5404
5405	m->reply_cookie = serial;
5406	}
5407
5408	if (m->reply_cookie == 0)
5409	return -EBADMSG74;
5410
5411	break;
5412
5413	case BUS_MESSAGE_HEADER_UNIX_FDS:
5414	if (unix_fds_set)
5415	return -EBADMSG74;
5416
5417	if (!streq(signature, "u")(strcmp((signature),("u")) == 0))
5418	return -EBADMSG74;
5419
5420	r = message_peek_field_uint32(m, &ri, item_size, &unix_fds);
5421	if (r < 0)
5422	return -EBADMSG74;
5423
5424	unix_fds_set = true1;
5425	break;
5426
5427	default:
5428	if (!BUS_MESSAGE_IS_GVARIANT(m))
5429	r = message_skip_fields(m, &ri, (uint32_t) -1, (const char **) &signature);
5430	}
5431
5432	if (r < 0)
5433	return r;
5434
5435	i++;
5436	}
5437
5438	if (m->n_fds != unix_fds)
5439	return -EBADMSG74;
5440
5441	switch (m->header->type) {
5442
5443	case SD_BUS_MESSAGE_SIGNAL:
5444	if (!m->path \|\| !m->interface \|\| !m->member)
5445	return -EBADMSG74;
5446
5447	if (m->reply_cookie != 0)
5448	return -EBADMSG74;
5449
5450	break;
5451
5452	case SD_BUS_MESSAGE_METHOD_CALL:
5453
5454	if (!m->path \|\| !m->member)
5455	return -EBADMSG74;
5456
5457	if (m->reply_cookie != 0)
5458	return -EBADMSG74;
5459
5460	break;
5461
5462	case SD_BUS_MESSAGE_METHOD_RETURN:
5463
5464	if (m->reply_cookie == 0)
5465	return -EBADMSG74;
5466	break;
5467
5468	case SD_BUS_MESSAGE_METHOD_ERROR:
5469
5470	if (m->reply_cookie == 0 \|\| !m->error.name)
5471	return -EBADMSG74;
5472	break;
5473	}
5474
5475	/* Refuse non-local messages that claim they are local */
5476	if (streq_ptr(m->path, "/org/freedesktop/DBus/Local"))
5477	return -EBADMSG74;
5478	if (streq_ptr(m->interface, "org.freedesktop.DBus.Local"))
5479	return -EBADMSG74;
5480	if (streq_ptr(m->sender, "org.freedesktop.DBus.Local"))
5481	return -EBADMSG74;
5482
5483	m->root_container.end = m->user_body_size;
5484
5485	if (BUS_MESSAGE_IS_GVARIANT(m)) {
5486	r = build_struct_offsets(
5487	m,
5488	m->root_container.signature,
5489	m->user_body_size,
5490	&m->root_container.item_size,
5491	&m->root_container.offsets,
5492	&m->root_container.n_offsets);
5493	if (r == -EINVAL22)
5494	return -EBADMSG74;
5495	if (r < 0)
5496	return r;
5497	}
5498
5499	/* Try to read the error message, but if we can't it's a non-issue */
5500	if (m->header->type == SD_BUS_MESSAGE_METHOD_ERROR)
5501	(void) sd_bus_message_read(m, "s", &m->error.message);
5502
5503	return 0;
5504	}
5505
5506	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_destination(sd_bus_message m, const char destination) {
5507	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5507, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5508	assert_return(destination, -EINVAL)do { if (!(((__builtin_expect(!!(destination),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("destination"), "../src/libsystemd/sd-bus/bus-message.c" , 5508, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5509	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5509, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5510	assert_return(!m->destination, -EEXIST)do { if (!(((__builtin_expect(!!(!m->destination),1))) ? ( 1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->destination" ), "../src/libsystemd/sd-bus/bus-message.c", 5510, __PRETTY_FUNCTION__ ), 0))) return (-17); } while (0);
5511
5512	return message_append_field_string(m, BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, destination, &m->destination);
5513	}
5514
5515	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_sender(sd_bus_message m, const char sender) {
5516	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5516, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5517	assert_return(sender, -EINVAL)do { if (!(((__builtin_expect(!!(sender),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("sender"), "../src/libsystemd/sd-bus/bus-message.c" , 5517, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5518	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5518, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5519	assert_return(!m->sender, -EEXIST)do { if (!(((__builtin_expect(!!(!m->sender),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sender" ), "../src/libsystemd/sd-bus/bus-message.c", 5519, __PRETTY_FUNCTION__ ), 0))) return (-17); } while (0);
5520
5521	return message_append_field_string(m, BUS_MESSAGE_HEADER_SENDER, SD_BUS_TYPE_STRING, sender, &m->sender);
5522	}
5523
5524	int bus_message_get_blob(sd_bus_message m, void buffer, size_t sz) {
5525	size_t total;
5526	void p, e;
5527	size_t i;
5528	struct bus_body_part *part;
5529
5530	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5530, __PRETTY_FUNCTION__); } while (0);
5531	assert(buffer)do { if ((__builtin_expect(!!(!(buffer)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("buffer"), "../src/libsystemd/sd-bus/bus-message.c" , 5531, __PRETTY_FUNCTION__); } while (0);
5532	assert(sz)do { if ((__builtin_expect(!!(!(sz)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sz"), "../src/libsystemd/sd-bus/bus-message.c" , 5532, __PRETTY_FUNCTION__); } while (0);
5533
5534	total = BUS_MESSAGE_SIZE(m);
5535
5536	p = malloc(total);
5537	if (!p)
5538	return -ENOMEM12;
5539
5540	e = mempcpy(p, m->header, BUS_MESSAGE_BODY_BEGIN(m));
5541	MESSAGE_FOREACH_PART(part, i, m)for ((i) = 0, (part) = &(m)->body; (i) < (m)->n_body_parts ; (i)++, (part) = (part)->next)
5542	e = mempcpy(e, part->data, part->size);
5543
5544	assert(total == (size_t) ((uint8_t) e - (uint8_t) p))do { if ((__builtin_expect(!!(!(total == (size_t) ((uint8_t) e - (uint8_t) p))),0))) log_assert_failed_realm(LOG_REALM_SYSTEMD , ("total == (size_t) ((uint8_t) e - (uint8_t) p)"), "../src/libsystemd/sd-bus/bus-message.c" , 5544, __PRETTY_FUNCTION__); } while (0);
5545
5546	*buffer = p;
5547	*sz = total;
5548
5549	return 0;
5550	}
5551
5552	int bus_message_read_strv_extend(sd_bus_message m, char **l) {
5553	const char *s;
5554	int r;
5555
5556	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5556, __PRETTY_FUNCTION__); } while (0);
5557	assert(l)do { if ((__builtin_expect(!!(!(l)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("l"), "../src/libsystemd/sd-bus/bus-message.c" , 5557, __PRETTY_FUNCTION__); } while (0);
5558
5559	r = sd_bus_message_enter_container(m, 'a', "s");
5560	if (r <= 0)
5561	return r;
5562
5563	while ((r = sd_bus_message_read_basic(m, 's', &s)) > 0) {
5564	r = strv_extend(l, s);
5565	if (r < 0)
5566	return r;
5567	}
5568	if (r < 0)
5569	return r;
5570
5571	r = sd_bus_message_exit_container(m);
5572	if (r < 0)
5573	return r;
5574
5575	return 1;
5576	}
5577
5578	_public___attribute__ ((visibility("default"))) int sd_bus_message_read_strv(sd_bus_message m, char **l) {
5579	_cleanup_strv_free___attribute__((cleanup(strv_freep))) char *strv = NULL((void)0);
5580	int r;
5581
5582	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5582, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5583	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5583, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5584	assert_return(l, -EINVAL)do { if (!(((__builtin_expect(!!(l),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("l"), "../src/libsystemd/sd-bus/bus-message.c" , 5584, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5585
5586	r = bus_message_read_strv_extend(m, &strv);
5587	if (r <= 0)
5588	return r;
5589
5590	l = TAKE_PTR(strv)({ typeof(strv) _ptr_ = (strv); (strv) = ((void)0); _ptr_; } );
5591	return 1;
5592	}
5593
5594	static int bus_message_get_arg_skip(
5595	sd_bus_message *m,
5596	unsigned i,
5597	char *_type,
5598	const char **_contents) {
5599
5600	unsigned j;
5601	int r;
5602
5603	r = sd_bus_message_rewind(m, true1);
5604	if (r < 0)
5605	return r;
5606
5607	for (j = 0;; j++) {
5608	const char *contents;
5609	char type;
5610
5611	r = sd_bus_message_peek_type(m, &type, &contents);
5612	if (r < 0)
5613	return r;
5614	if (r == 0)
5615	return -ENXIO6;
5616
5617	/* Don't match against arguments after the first one we don't understand */
5618	if (!IN_SET(type, SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH, SD_BUS_TYPE_SIGNATURE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH , SD_BUS_TYPE_SIGNATURE})/sizeof(int)]; switch(type) { case SD_BUS_TYPE_STRING : case SD_BUS_TYPE_OBJECT_PATH: case SD_BUS_TYPE_SIGNATURE: _found = 1; break; default: break; } _found; }) &&
5619	!(type == SD_BUS_TYPE_ARRAY && STR_IN_SET(contents, "s", "o", "g")(!!strv_find((((char*) ((const char[]) { "s", "o", "g", ((void *)0) }))), (contents)))))
5620	return -ENXIO6;
5621
5622	if (j >= i) {
5623	if (_contents)
5624	*_contents = contents;
5625	if (_type)
5626	*_type = type;
5627	return 0;
5628	}
5629
5630	r = sd_bus_message_skip(m, NULL((void*)0));
5631	if (r < 0)
5632	return r;
5633	}
5634
5635	}
5636
5637	int bus_message_get_arg(sd_bus_message m, unsigned i, const char *str) {
5638	char type;
5639	int r;
5640
5641	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5641, __PRETTY_FUNCTION__); } while (0);
5642	assert(str)do { if ((__builtin_expect(!!(!(str)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("str"), "../src/libsystemd/sd-bus/bus-message.c" , 5642, __PRETTY_FUNCTION__); } while (0);
5643
5644	r = bus_message_get_arg_skip(m, i, &type, NULL((void*)0));
5645	if (r < 0)
5646	return r;
5647
5648	if (!IN_SET(type, SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH, SD_BUS_TYPE_SIGNATURE)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_STRING, SD_BUS_TYPE_OBJECT_PATH , SD_BUS_TYPE_SIGNATURE})/sizeof(int)]; switch(type) { case SD_BUS_TYPE_STRING : case SD_BUS_TYPE_OBJECT_PATH: case SD_BUS_TYPE_SIGNATURE: _found = 1; break; default: break; } _found; }))
5649	return -ENXIO6;
5650
5651	return sd_bus_message_read_basic(m, type, str);
5652	}
5653
5654	int bus_message_get_arg_strv(sd_bus_message m, unsigned i, char **strv) {
5655	const char *contents;
5656	char type;
5657	int r;
5658
5659	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5659, __PRETTY_FUNCTION__); } while (0);
5660	assert(strv)do { if ((__builtin_expect(!!(!(strv)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("strv"), "../src/libsystemd/sd-bus/bus-message.c" , 5660, __PRETTY_FUNCTION__); } while (0);
5661
5662	r = bus_message_get_arg_skip(m, i, &type, &contents);
5663	if (r < 0)
5664	return r;
5665
5666	if (type != SD_BUS_TYPE_ARRAY)
5667	return -ENXIO6;
5668	if (!STR_IN_SET(contents, "s", "o", "g")(!!strv_find((((char*) ((const char[]) { "s", "o", "g", ((void *)0) }))), (contents))))
5669	return -ENXIO6;
5670
5671	return sd_bus_message_read_strv(m, strv);
5672	}
5673
5674	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_errno(sd_bus_message *m) {
5675	assert_return(m, EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5675, __PRETTY_FUNCTION__), 0))) return (22); } while (0);
5676
5677	if (m->header->type != SD_BUS_MESSAGE_METHOD_ERROR)
5678	return 0;
5679
5680	return sd_bus_error_get_errno(&m->error);
5681	}
5682
5683	_public___attribute__ ((visibility("default"))) const char* sd_bus_message_get_signature(sd_bus_message *m, int complete) {
5684	struct bus_container *c;
5685
5686	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5686, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
5687
5688	c = complete ? &m->root_container : message_get_last_container(m);
5689	return strempty(c->signature);
5690	}
5691
5692	_public___attribute__ ((visibility("default"))) int sd_bus_message_is_empty(sd_bus_message *m) {
5693	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5693, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5694
5695	return isempty(m->root_container.signature);
5696	}
5697
5698	_public___attribute__ ((visibility("default"))) int sd_bus_message_has_signature(sd_bus_message m, const char signature) {
5699	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5699, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5700
5701	return streq(strempty(m->root_container.signature), strempty(signature))(strcmp((strempty(m->root_container.signature)),(strempty( signature))) == 0);
5702	}
5703
5704	_public___attribute__ ((visibility("default"))) int sd_bus_message_copy(sd_bus_message m, sd_bus_message source, int all) {
5705	bool_Bool done_something = false0;
5706	int r;
5707
5708	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5708, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5709	assert_return(source, -EINVAL)do { if (!(((__builtin_expect(!!(source),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("source"), "../src/libsystemd/sd-bus/bus-message.c" , 5709, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5710	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5710, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5711	assert_return(source->sealed, -EPERM)do { if (!(((__builtin_expect(!!(source->sealed),1))) ? (1 ) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("source->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5711, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5712
5713	do {
5714	const char *contents;
5715	char type;
5716	union {
5717	uint8_t u8;
5718	uint16_t u16;
5719	int16_t s16;
5720	uint32_t u32;
5721	int32_t s32;
5722	uint64_t u64;
5723	int64_t s64;
5724	double d64;
5725	const char *string;
5726	int i;
5727	} basic;
5728
5729	r = sd_bus_message_peek_type(source, &type, &contents);
5730	if (r < 0)
5731	return r;
5732	if (r == 0)
5733	break;
5734
5735	done_something = true1;
5736
5737	if (bus_type_is_container(type) > 0) {
5738
5739	r = sd_bus_message_enter_container(source, type, contents);
5740	if (r < 0)
5741	return r;
5742
5743	r = sd_bus_message_open_container(m, type, contents);
5744	if (r < 0)
5745	return r;
5746
5747	r = sd_bus_message_copy(m, source, true1);
5748	if (r < 0)
5749	return r;
5750
5751	r = sd_bus_message_close_container(m);
5752	if (r < 0)
5753	return r;
5754
5755	r = sd_bus_message_exit_container(source);
5756	if (r < 0)
5757	return r;
5758
5759	continue;
5760	}
5761
5762	r = sd_bus_message_read_basic(source, type, &basic);
5763	if (r < 0)
5764	return r;
5765
5766	assert(r > 0)do { if ((__builtin_expect(!!(!(r > 0)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("r > 0"), "../src/libsystemd/sd-bus/bus-message.c" , 5766, __PRETTY_FUNCTION__); } while (0);
5767
5768	if (IN_SET(type, SD_BUS_TYPE_OBJECT_PATH, SD_BUS_TYPE_SIGNATURE, SD_BUS_TYPE_STRING)({ _Bool _found = 0; static __attribute__ ((unused)) char _static_assert__macros_need_to_be_extended [20 - sizeof((int[]){SD_BUS_TYPE_OBJECT_PATH, SD_BUS_TYPE_SIGNATURE , SD_BUS_TYPE_STRING})/sizeof(int)]; switch(type) { case SD_BUS_TYPE_OBJECT_PATH : case SD_BUS_TYPE_SIGNATURE: case SD_BUS_TYPE_STRING: _found = 1; break; default: break; } _found; }))
5769	r = sd_bus_message_append_basic(m, type, basic.string);
5770	else
5771	r = sd_bus_message_append_basic(m, type, &basic);
5772
5773	if (r < 0)
5774	return r;
5775
5776	} while (all);
5777
5778	return done_something;
5779	}
5780
5781	_public___attribute__ ((visibility("default"))) int sd_bus_message_verify_type(sd_bus_message m, char type, const char contents) {
5782	const char *c;
5783	char t;
5784	int r;
5785
5786	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5786, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5787	assert_return(m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5787, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5788	assert_return(!type \|\| bus_type_is_valid(type), -EINVAL)do { if (!(((__builtin_expect(!!(!type \|\| bus_type_is_valid(type )),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!type \|\| bus_type_is_valid(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 5788, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5789	assert_return(!contents \|\| signature_is_valid(contents, true), -EINVAL)do { if (!(((__builtin_expect(!!(!contents \|\| signature_is_valid (contents, 1)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!contents \|\| signature_is_valid(contents, true)"), "../src/libsystemd/sd-bus/bus-message.c" , 5789, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5790	assert_return(type \|\| contents, -EINVAL)do { if (!(((__builtin_expect(!!(type \|\| contents),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("type \|\| contents" ), "../src/libsystemd/sd-bus/bus-message.c", 5790, __PRETTY_FUNCTION__ ), 0))) return (-22); } while (0);
5791	assert_return(!contents \|\| !type \|\| bus_type_is_container(type), -EINVAL)do { if (!(((__builtin_expect(!!(!contents \|\| !type \|\| bus_type_is_container (type)),1))) ? (1) : (log_assert_failed_return_realm(LOG_REALM_SYSTEMD , ("!contents \|\| !type \|\| bus_type_is_container(type)"), "../src/libsystemd/sd-bus/bus-message.c" , 5791, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5792
5793	r = sd_bus_message_peek_type(m, &t, &c);
5794	if (r <= 0)
5795	return r;
5796
5797	if (type != 0 && type != t)
5798	return 0;
5799
5800	if (contents && !streq_ptr(contents, c))
5801	return 0;
5802
5803	return 1;
5804	}
5805
5806	_public___attribute__ ((visibility("default"))) sd_bus sd_bus_message_get_bus(sd_bus_message m) {
5807	assert_return(m, NULL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5807, __PRETTY_FUNCTION__), 0))) return (((void*)0)); } while (0);
5808
5809	return m->bus;
5810	}
5811
5812	int bus_message_remarshal(sd_bus bus, sd_bus_message *m) {
5813	_cleanup_(sd_bus_message_unrefp)__attribute__((cleanup(sd_bus_message_unrefp))) sd_bus_message n = NULL((void)0);
5814	usec_t timeout;
5815	int r;
5816
5817	assert(bus)do { if ((__builtin_expect(!!(!(bus)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("bus"), "../src/libsystemd/sd-bus/bus-message.c" , 5817, __PRETTY_FUNCTION__); } while (0);
5818	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5818, __PRETTY_FUNCTION__); } while (0);
5819	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("*m"), "../src/libsystemd/sd-bus/bus-message.c" , 5819, __PRETTY_FUNCTION__); } while (0);
5820
5821	switch ((*m)->header->type) {
5822
5823	case SD_BUS_MESSAGE_SIGNAL:
5824	r = sd_bus_message_new_signal(bus, &n, (m)->path, (m)->interface, (*m)->member);
5825	if (r < 0)
5826	return r;
5827
5828	break;
5829
5830	case SD_BUS_MESSAGE_METHOD_CALL:
5831	r = sd_bus_message_new_method_call(bus, &n, (m)->destination, (m)->path, (m)->interface, (m)->member);
5832	if (r < 0)
5833	return r;
5834
5835	break;
5836
5837	case SD_BUS_MESSAGE_METHOD_RETURN:
5838	case SD_BUS_MESSAGE_METHOD_ERROR:
5839
5840	r = sd_bus_message_new(bus, &n, (*m)->header->type);
5841	if (r < 0)
5842	return -ENOMEM12;
5843
5844	assert(n)do { if ((__builtin_expect(!!(!(n)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("n"), "../src/libsystemd/sd-bus/bus-message.c" , 5844, __PRETTY_FUNCTION__); } while (0);
5845
5846	n->reply_cookie = (*m)->reply_cookie;
5847
5848	r = message_append_reply_cookie(n, n->reply_cookie);
5849	if (r < 0)
5850	return r;
5851
5852	if ((m)->header->type == SD_BUS_MESSAGE_METHOD_ERROR && (m)->error.name) {
5853	r = message_append_field_string(n, BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, (*m)->error.name, &n->error.message);
5854	if (r < 0)
5855	return r;
5856
5857	n->error._need_free = -1;
5858	}
5859
5860	break;
5861
5862	default:
5863	return -EINVAL22;
5864	}
5865
5866	if ((*m)->destination && !n->destination) {
5867	r = message_append_field_string(n, BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, (*m)->destination, &n->destination);
5868	if (r < 0)
5869	return r;
5870	}
5871
5872	if ((*m)->sender && !n->sender) {
5873	r = message_append_field_string(n, BUS_MESSAGE_HEADER_SENDER, SD_BUS_TYPE_STRING, (*m)->sender, &n->sender);
5874	if (r < 0)
5875	return r;
5876	}
5877
5878	n->header->flags \|= (*m)->header->flags & (BUS_MESSAGE_NO_REPLY_EXPECTED\|BUS_MESSAGE_NO_AUTO_START);
5879
5880	r = sd_bus_message_copy(n, *m, true1);
5881	if (r < 0)
5882	return r;
5883
5884	timeout = (*m)->timeout;
5885	if (timeout == 0 && !((*m)->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED))
5886	timeout = BUS_DEFAULT_TIMEOUT((usec_t) (25 * ((usec_t) 1000000ULL)));
5887
5888	r = sd_bus_message_seal(n, BUS_MESSAGE_COOKIE(*m), timeout);
5889	if (r < 0)
5890	return r;
5891
5892	sd_bus_message_unref(*m);
5893	m = TAKE_PTR(n)({ typeof(n) _ptr_ = (n); (n) = ((void)0); _ptr_; });
5894
5895	return 0;
5896	}
5897
5898	int bus_message_append_sender(sd_bus_message m, const char sender) {
5899	assert(m)do { if ((__builtin_expect(!!(!(m)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5899, __PRETTY_FUNCTION__); } while (0);
5900	assert(sender)do { if ((__builtin_expect(!!(!(sender)),0))) log_assert_failed_realm (LOG_REALM_SYSTEMD, ("sender"), "../src/libsystemd/sd-bus/bus-message.c" , 5900, __PRETTY_FUNCTION__); } while (0);
5901
5902	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5902, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5903	assert_return(!m->sender, -EPERM)do { if (!(((__builtin_expect(!!(!m->sender),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sender" ), "../src/libsystemd/sd-bus/bus-message.c", 5903, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5904
5905	return message_append_field_string(m, BUS_MESSAGE_HEADER_SENDER, SD_BUS_TYPE_STRING, sender, &m->sender);
5906	}
5907
5908	_public___attribute__ ((visibility("default"))) int sd_bus_message_get_priority(sd_bus_message m, int64_t priority) {
5909	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5909, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5910	assert_return(priority, -EINVAL)do { if (!(((__builtin_expect(!!(priority),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("priority"), "../src/libsystemd/sd-bus/bus-message.c" , 5910, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5911
5912	*priority = m->priority;
5913	return 0;
5914	}
5915
5916	_public___attribute__ ((visibility("default"))) int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority) {
5917	assert_return(m, -EINVAL)do { if (!(((__builtin_expect(!!(m),1))) ? (1) : (log_assert_failed_return_realm (LOG_REALM_SYSTEMD, ("m"), "../src/libsystemd/sd-bus/bus-message.c" , 5917, __PRETTY_FUNCTION__), 0))) return (-22); } while (0);
5918	assert_return(!m->sealed, -EPERM)do { if (!(((__builtin_expect(!!(!m->sealed),1))) ? (1) : ( log_assert_failed_return_realm(LOG_REALM_SYSTEMD, ("!m->sealed" ), "../src/libsystemd/sd-bus/bus-message.c", 5918, __PRETTY_FUNCTION__ ), 0))) return (-1); } while (0);
5919
5920	m->priority = priority;
5921	return 0;
5922	}