Line data Source code
1 : /*
2 : * SPDX license identifier: MPL-2.0
3 : *
4 : * Copyright (C) 2011-2015, BMW AG
5 : *
6 : * This file is part of COVESA Project DLT - Diagnostic Log and Trace.
7 : *
8 : * This Source Code Form is subject to the terms of the
9 : * Mozilla Public License (MPL), v. 2.0.
10 : * If a copy of the MPL was not distributed with this file,
11 : * You can obtain one at http://mozilla.org/MPL/2.0/.
12 : *
13 : * For further information see http://www.covesa.org/.
14 : */
15 :
16 : /*!
17 : * \author
18 : * Alexander Wenzel <alexander.aw.wenzel@bmw.de>
19 : * Markus Klein <Markus.Klein@esk.fraunhofer.de>
20 : * Mikko Rapeli <mikko.rapeli@bmw.de>
21 : *
22 : * \copyright Copyright © 2011-2015 BMW AG. \n
23 : * License MPL-2.0: Mozilla Public License version 2.0 http://mozilla.org/MPL/2.0/.
24 : *
25 : * \file dlt-daemon.c
26 : */
27 :
28 : #include <netdb.h>
29 : #include <ctype.h>
30 : #include <stdio.h> /* for printf() and fprintf() */
31 : #include <sys/socket.h> /* for socket(), connect(), (), and recv() */
32 : #include <sys/un.h>
33 : #include <arpa/inet.h> /* for sockaddr_in and inet_addr() */
34 : #include <stdlib.h> /* for atoi() and exit() */
35 : #include <string.h> /* for memset() */
36 : #include <unistd.h> /* for close() and access */
37 : #include <fcntl.h>
38 : #include <signal.h>
39 : #include <syslog.h>
40 : #include <errno.h>
41 : #include <pthread.h>
42 : #include <grp.h>
43 :
44 : #ifdef linux
45 : # include <sys/timerfd.h>
46 : #endif
47 : #include <sys/stat.h>
48 : #include <sys/time.h>
49 : #include <libgen.h>
50 :
51 : #if defined(linux) && defined(__NR_statx)
52 : # include <linux/stat.h>
53 : #endif
54 :
55 : #ifdef DLT_DAEMON_VSOCK_IPC_ENABLE
56 : # ifdef linux
57 : # include <linux/vm_sockets.h>
58 : # endif
59 : # ifdef __QNX__
60 : # include <vm_sockets.h>
61 : # endif
62 : #endif
63 :
64 : #include <getopt.h>
65 : #ifndef CONFIGURATION_FILES_DIR
66 : #define CONFIGURATION_FILES_DIR "/etc"
67 : #endif
68 : #ifndef DLT_USER_IPC_PATH
69 : #define DLT_USER_IPC_PATH "/tmp"
70 : #endif
71 :
72 : #include <getopt.h>
73 : #ifndef CONFIGURATION_FILES_DIR
74 : #define CONFIGURATION_FILES_DIR "/etc"
75 : #endif
76 : #ifndef DLT_USER_IPC_PATH
77 : #define DLT_USER_IPC_PATH "/tmp"
78 : #endif
79 :
80 : #include "dlt_types.h"
81 : #include "dlt-daemon.h"
82 : #include "dlt-daemon_cfg.h"
83 : #include "dlt_daemon_common_cfg.h"
84 :
85 : #include "dlt_daemon_socket.h"
86 : #include "dlt_daemon_unix_socket.h"
87 : #include "dlt_daemon_serial.h"
88 :
89 : #include "dlt_daemon_client.h"
90 : #include "dlt_daemon_connection.h"
91 : #include "dlt_daemon_event_handler.h"
92 : #include "dlt_daemon_offline_logstorage.h"
93 : #include "dlt_gateway.h"
94 :
95 : #ifdef UDP_CONNECTION_SUPPORT
96 : # include "dlt_daemon_udp_socket.h"
97 : #endif
98 : #if defined(DLT_SYSTEMD_WATCHDOG_ENABLE) || defined(DLT_SYSTEMD_ENABLE)
99 : # include "sd-daemon.h"
100 : #endif
101 :
102 : /**
103 : * \defgroup daemon DLT Daemon
104 : * \addtogroup daemon
105 : \{
106 : */
107 :
108 : #define DLT_DAEMON_APP_ID "DLTD"
109 : #define DLT_DAEMON_CTX_ID "INTM"
110 :
111 : static int dlt_daemon_log_internal(DltDaemon *daemon,
112 : DltDaemonLocal *daemon_local, char *str,
113 : DltLogLevelType level, const char *app_id,
114 : const char *ctx_id, int verbose);
115 :
116 : static int dlt_daemon_check_numeric_setting(char *token,
117 : char *value,
118 : unsigned long *data);
119 :
120 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
121 :
122 : struct DltTraceLoadLogParams {
123 : DltDaemon *daemon;
124 : DltDaemonLocal *daemon_local;
125 : int verbose;
126 : char *app_id;
127 : };
128 :
129 : static DltReturnValue dlt_daemon_output_internal_msg(DltLogLevelType loglevel, const char *text, void *params);
130 : static void dlt_trace_load_free(DltDaemon* daemon);
131 :
132 : pthread_rwlock_t trace_load_rw_lock;
133 : #endif
134 :
135 : /* used in main event loop and signal handler */
136 : int g_exit = 0;
137 :
138 : int g_signo = 0;
139 :
140 : /* used for value from conf file */
141 : static int value_length = 1024;
142 :
143 : static char dlt_timer_conn_types[DLT_TIMER_UNKNOWN + 1] = {
144 : [DLT_TIMER_PACKET] = DLT_CONNECTION_ONE_S_TIMER,
145 : [DLT_TIMER_ECU] = DLT_CONNECTION_SIXTY_S_TIMER,
146 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
147 : [DLT_TIMER_SYSTEMD] = DLT_CONNECTION_SYSTEMD_TIMER,
148 : #endif
149 : [DLT_TIMER_GATEWAY] = DLT_CONNECTION_GATEWAY_TIMER,
150 : [DLT_TIMER_UNKNOWN] = DLT_CONNECTION_TYPE_MAX
151 : };
152 :
153 : static char dlt_timer_names[DLT_TIMER_UNKNOWN + 1][32] = {
154 : [DLT_TIMER_PACKET] = "Timing packet",
155 : [DLT_TIMER_ECU] = "ECU version",
156 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
157 : [DLT_TIMER_SYSTEMD] = "Systemd watchdog",
158 : #endif
159 : [DLT_TIMER_GATEWAY] = "Gateway",
160 : [DLT_TIMER_UNKNOWN] = "Unknown timer"
161 : };
162 :
163 : #ifdef __QNX__
164 : static int dlt_timer_pipes[DLT_TIMER_UNKNOWN][2] = {
165 : /* [timer_id] = {read_pipe, write_pipe} */
166 : [DLT_TIMER_PACKET] = {DLT_FD_INIT, DLT_FD_INIT},
167 : [DLT_TIMER_ECU] = {DLT_FD_INIT, DLT_FD_INIT},
168 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
169 : [DLT_TIMER_SYSTEMD] = {DLT_FD_INIT, DLT_FD_INIT},
170 : #endif
171 : [DLT_TIMER_GATEWAY] = {DLT_FD_INIT, DLT_FD_INIT}
172 : };
173 :
174 : static pthread_t timer_threads[DLT_TIMER_UNKNOWN] = {
175 : [DLT_TIMER_PACKET] = 0,
176 : [DLT_TIMER_ECU] = 0,
177 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
178 : [DLT_TIMER_SYSTEMD] = 0,
179 : #endif
180 : [DLT_TIMER_GATEWAY] = 0
181 : };
182 :
183 : static DltDaemonPeriodicData *timer_data[DLT_TIMER_UNKNOWN] = {
184 : [DLT_TIMER_PACKET] = NULL,
185 : [DLT_TIMER_ECU] = NULL,
186 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
187 : [DLT_TIMER_SYSTEMD] = NULL,
188 : #endif
189 : [DLT_TIMER_GATEWAY] = NULL
190 : };
191 :
192 : void close_pipes(int fds[2])
193 : {
194 : if (fds[0] > 0) {
195 : close(fds[0]);
196 : fds[0] = DLT_FD_INIT;
197 : }
198 :
199 : if (fds[1] > 0) {
200 : close(fds[1]);
201 : fds[1] = DLT_FD_INIT;
202 : }
203 : }
204 :
205 : #endif // __QNX__
206 :
207 : /**
208 : * Print usage information of tool.
209 : */
210 0 : void usage()
211 : {
212 : char version[DLT_DAEMON_TEXTBUFSIZE];
213 0 : dlt_get_version(version, DLT_DAEMON_TEXTBUFSIZE);
214 :
215 : /*printf("DLT logging daemon %s %s\n", _DLT_PACKAGE_VERSION, _DLT_PACKAGE_VERSION_STATE); */
216 : /*printf("Compile options: %s %s %s %s",_DLT_SYSTEMD_ENABLE, _DLT_SYSTEMD_WATCHDOG_ENABLE, _DLT_TEST_ENABLE, _DLT_SHM_ENABLE); */
217 : printf("%s", version);
218 : printf("Usage: dlt-daemon [options]\n");
219 : printf("Options:\n");
220 : printf(" -d Daemonize\n");
221 : printf(" -h Usage\n");
222 : printf(" -c filename DLT daemon configuration file (Default: %s/dlt.conf)\n", CONFIGURATION_FILES_DIR);
223 : printf(" -x version Protocol version (1=DLT v1, 2=DLT v2)\n");
224 :
225 : #ifdef DLT_DAEMON_USE_FIFO_IPC
226 : printf(" -t directory Directory for local fifo and user-pipes (Default: /tmp)\n");
227 : printf(" (Applications wanting to connect to a daemon using a\n");
228 : printf(" custom directory need to be started with the environment \n");
229 : printf(" variable DLT_PIPE_DIR set appropriately)\n");
230 : #endif
231 :
232 : #ifdef DLT_SHM_ENABLE
233 : printf(" -s filename The file name to create the share memory (Default: /dlt-shm)\n");
234 : printf(" (Applications wanting to connect to a daemon using a\n");
235 : printf(" custom shm name need to be started with the environment \n");
236 : printf(" variable DLT_SHM_NAME set appropriately)\n");
237 : #endif
238 : printf(" -p port port to monitor for incoming requests (Default: 3490)\n");
239 : printf(" (Applications wanting to connect to a daemon using a custom\n");
240 : printf(" port need to be started with the environment variable\n");
241 : printf(" DLT_DAEMON_TCP_PORT set appropriately)\n");
242 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
243 : printf(" -a filename The filename for load default app id log levels (Default: " CONFIGURATION_FILES_DIR "/dlt-log-levels.conf)\n");
244 : #endif
245 :
246 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
247 : printf(" -l filename The filename for load limits (Default: " CONFIGURATION_FILES_DIR "/dlt-trace-load.conf)\n");
248 : #endif
249 :
250 : #
251 0 : } /* usage() */
252 :
253 : /**
254 : * Option handling
255 : */
256 1 : int option_handling(DltDaemonLocal *daemon_local, int argc, char *argv[])
257 : {
258 : int c;
259 : char options[255];
260 : memset(options, 0, sizeof options);
261 : const char *const default_options = "hdc:t:p:x:";
262 : strcpy(options, default_options);
263 :
264 1 : if (daemon_local == 0) {
265 0 : fprintf (stderr, "Invalid parameter passed to option_handling()\n");
266 0 : return -1;
267 : }
268 :
269 : /* Initialize flags */
270 : memset(daemon_local, 0, sizeof(DltDaemonLocal));
271 :
272 : /* default values */
273 1 : daemon_local->flags.port = DLT_DAEMON_TCP_PORT;
274 :
275 : #ifdef DLT_DAEMON_USE_FIFO_IPC
276 1 : dlt_log_set_fifo_basedir(DLT_USER_IPC_PATH);
277 : #endif
278 :
279 : #ifdef DLT_SHM_ENABLE
280 : strncpy(dltShmName, "/dlt-shm", NAME_MAX);
281 : #endif
282 :
283 1 : opterr = 0;
284 :
285 : #ifdef DLT_SHM_ENABLE
286 : strcpy(options + strlen(options), "s:");
287 : #endif
288 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
289 : strcpy(options + strlen(options), "a:");
290 : #endif
291 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
292 : strcpy(options + strlen(options), "l:");
293 : #endif
294 2 : while ((c = getopt(argc, argv, options)) != -1)
295 1 : switch (c) {
296 0 : case 'x':
297 : {
298 0 : int proto = atoi(optarg);
299 0 : if (proto == 1 || proto == 2) {
300 0 : daemon_local->flags.protocolVersion = proto;
301 : } else {
302 0 : fprintf(stderr, "Invalid protocol version '%s'. Use 1 or 2.\n", optarg);
303 0 : return -1;
304 : }
305 0 : break;
306 : }
307 0 : case 'd':
308 : {
309 0 : daemon_local->flags.dflag = 1;
310 0 : break;
311 : }
312 1 : case 'c':
313 : {
314 1 : strncpy(daemon_local->flags.cvalue, optarg, NAME_MAX);
315 : break;
316 : }
317 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
318 : case 'a':
319 : {
320 : strncpy(daemon_local->flags.avalue, optarg, NAME_MAX);
321 : break;
322 : }
323 : #endif
324 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
325 : case 'l':
326 : {
327 : strncpy(daemon_local->flags.lvalue, optarg, NAME_MAX);
328 : break;
329 : }
330 : #endif
331 : #ifdef DLT_DAEMON_USE_FIFO_IPC
332 0 : case 't':
333 : {
334 0 : dlt_log_set_fifo_basedir(optarg);
335 0 : break;
336 : }
337 : #endif
338 :
339 : #ifdef DLT_SHM_ENABLE
340 : case 's':
341 : {
342 : strncpy(dltShmName, optarg, NAME_MAX);
343 : break;
344 : }
345 : #endif
346 0 : case 'p':
347 : {
348 0 : daemon_local->flags.port = (unsigned int) atoi(optarg);
349 :
350 0 : if (daemon_local->flags.port == 0) {
351 0 : fprintf (stderr, "Invalid port `%s' specified.\n", optarg);
352 0 : return -1;
353 : }
354 :
355 : break;
356 : }
357 0 : case 'h':
358 : {
359 0 : usage();
360 0 : return -2; /* return no error */
361 : }
362 :
363 0 : case '?':
364 : {
365 0 : if ((optopt == 'c') || (optopt == 't') || (optopt == 'p')
366 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
367 : || (optopt == 'a')
368 : #endif
369 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
370 : || (optopt == 'l')
371 : #endif
372 : )
373 0 : fprintf (stderr, "Option -%c requires an argument.\n", optopt);
374 0 : else if (isprint (optopt))
375 0 : fprintf (stderr, "Unknown option `-%c'.\n", optopt);
376 : else
377 0 : fprintf (stderr, "Unknown option character `\\x%x'.\n", (uint32_t)optopt);
378 :
379 : /* unknown or wrong option used, show usage information and terminate */
380 0 : usage();
381 0 : return -1;
382 : }
383 0 : default:
384 : {
385 0 : fprintf (stderr, "Invalid option, this should never occur!\n");
386 0 : return -1;
387 : }
388 : }
389 :
390 : /* switch() */
391 :
392 : #ifdef DLT_DAEMON_USE_FIFO_IPC
393 : int ret;
394 1 : size_t base_dir_len = strlen(dltFifoBaseDir);
395 :
396 : /* Check if base directory path is too long to append suffixes */
397 1 : if (base_dir_len > DLT_PATH_MAX - 10) { /* 10 for "/dltpipes\0" */
398 0 : dlt_log(LOG_ERR, "FIFO base directory path too long!\n");
399 0 : return -1;
400 : }
401 :
402 1 : ret = snprintf(daemon_local->flags.userPipesDir, DLT_PATH_MAX,
403 : "%s/dltpipes", dltFifoBaseDir);
404 1 : if (ret < 0 || ret >= DLT_PATH_MAX) {
405 0 : dlt_log(LOG_ERR, "Failed to construct userPipesDir path!\n");
406 0 : return -1;
407 : }
408 :
409 1 : ret = snprintf(daemon_local->flags.daemonFifoName, DLT_PATH_MAX,
410 : "%s/dlt", dltFifoBaseDir);
411 1 : if (ret < 0 || ret >= DLT_PATH_MAX) {
412 0 : dlt_log(LOG_ERR, "Failed to construct daemonFifoName path!\n");
413 0 : return -1;
414 : }
415 : #endif
416 :
417 : #ifdef DLT_SHM_ENABLE
418 : strncpy(daemon_local->flags.dltShmName, dltShmName, NAME_MAX);
419 : #endif
420 :
421 : return 0;
422 :
423 : } /* option_handling() */
424 :
425 : /**
426 : * Option file parser
427 : */
428 1 : int option_file_parser(DltDaemonLocal *daemon_local)
429 1 : {
430 : FILE *pFile;
431 1 : char line[value_length - 1];
432 1 : char token[value_length];
433 1 : char value[value_length];
434 : char *pch;
435 : const char *filename;
436 : ssize_t n;
437 :
438 : /* set default values for configuration */
439 1 : daemon_local->flags.sharedMemorySize = DLT_SHM_SIZE;
440 1 : daemon_local->flags.sendMessageTime = 0;
441 1 : daemon_local->flags.offlineTraceDirectory[0] = 0;
442 1 : daemon_local->flags.offlineTraceFileSize = 1000000;
443 1 : daemon_local->flags.offlineTraceMaxSize = 4000000;
444 1 : daemon_local->flags.offlineTraceFilenameTimestampBased = true;
445 1 : daemon_local->flags.loggingMode = DLT_LOG_TO_CONSOLE;
446 1 : daemon_local->flags.loggingLevel = LOG_INFO;
447 :
448 : #ifdef DLT_DAEMON_USE_UNIX_SOCKET_IPC
449 : n = snprintf(daemon_local->flags.loggingFilename,
450 : sizeof(daemon_local->flags.loggingFilename),
451 : "%s/dlt.log", DLT_USER_IPC_PATH);
452 : #else /* DLT_DAEMON_USE_FIFO_IPC */
453 1 : n = snprintf(daemon_local->flags.loggingFilename,
454 : sizeof(daemon_local->flags.loggingFilename),
455 : "%s/dlt.log", dltFifoBaseDir);
456 : #endif
457 :
458 1 : if (n < 0 || (size_t)n > sizeof(daemon_local->flags.loggingFilename)) {
459 0 : dlt_vlog(LOG_WARNING, "%s: snprintf truncation/error(%ld) %s\n",
460 : __func__, n, daemon_local->flags.loggingFilename);
461 : }
462 1 : daemon_local->flags.enableLoggingFileLimit = false;
463 1 : daemon_local->flags.loggingFileSize = 250000;
464 1 : daemon_local->flags.loggingFileMaxSize = 1000000;
465 :
466 1 : daemon_local->timeoutOnSend = 4;
467 1 : daemon_local->RingbufferMinSize = DLT_DAEMON_RINGBUFFER_MIN_SIZE;
468 1 : daemon_local->RingbufferMaxSize = DLT_DAEMON_RINGBUFFER_MAX_SIZE;
469 1 : daemon_local->RingbufferStepSize = DLT_DAEMON_RINGBUFFER_STEP_SIZE;
470 1 : daemon_local->daemonFifoSize = 0;
471 1 : daemon_local->flags.sendECUSoftwareVersion = 0;
472 1 : memset(daemon_local->flags.pathToECUSoftwareVersion, 0, sizeof(daemon_local->flags.pathToECUSoftwareVersion));
473 1 : memset(daemon_local->flags.ecuSoftwareVersionFileField, 0, sizeof(daemon_local->flags.ecuSoftwareVersionFileField));
474 1 : daemon_local->flags.sendTimezone = 0;
475 1 : daemon_local->flags.offlineLogstorageMaxDevices = 0;
476 1 : daemon_local->flags.offlineLogstorageDirPath[0] = 0;
477 1 : daemon_local->flags.offlineLogstorageTimestamp = 1;
478 1 : daemon_local->flags.offlineLogstorageDelimiter = '_';
479 1 : daemon_local->flags.offlineLogstorageMaxCounter = UINT_MAX;
480 1 : daemon_local->flags.offlineLogstorageMaxCounterIdx = 0;
481 1 : daemon_local->flags.offlineLogstorageOptionalCounter = false;
482 1 : daemon_local->flags.offlineLogstorageCacheSize = 30000; /* 30MB */
483 1 : dlt_daemon_logstorage_set_logstorage_cache_size(
484 : daemon_local->flags.offlineLogstorageCacheSize);
485 1 : strncpy(daemon_local->flags.ctrlSockPath,
486 : DLT_DAEMON_DEFAULT_CTRL_SOCK_PATH,
487 : sizeof(daemon_local->flags.ctrlSockPath));
488 : #ifdef DLT_DAEMON_USE_UNIX_SOCKET_IPC
489 : snprintf(daemon_local->flags.appSockPath, DLT_IPC_PATH_MAX, "%s/dlt", DLT_USER_IPC_PATH);
490 :
491 : if (strlen(DLT_USER_IPC_PATH) > DLT_IPC_PATH_MAX)
492 : fprintf(stderr, "Provided path too long...trimming it to path[%s]\n",
493 : daemon_local->flags.appSockPath);
494 :
495 : #else /* DLT_DAEMON_USE_FIFO_IPC */
496 1 : memset(daemon_local->flags.daemonFifoGroup, 0, sizeof(daemon_local->flags.daemonFifoGroup));
497 : #endif
498 1 : daemon_local->flags.gatewayMode = 0;
499 1 : strncpy(daemon_local->flags.gatewayConfigFile,
500 : DLT_GATEWAY_CONFIG_PATH,
501 : DLT_DAEMON_FLAG_MAX);
502 1 : daemon_local->flags.autoResponseGetLogInfoOption = 7;
503 1 : daemon_local->flags.contextLogLevel = DLT_LOG_INFO;
504 1 : daemon_local->flags.contextTraceStatus = DLT_TRACE_STATUS_OFF;
505 1 : daemon_local->flags.enforceContextLLAndTS = 0; /* default is off */
506 : #ifdef UDP_CONNECTION_SUPPORT
507 : daemon_local->UDPConnectionSetup = MULTICAST_CONNECTION_ENABLED;
508 : strncpy(daemon_local->UDPMulticastIPAddress, MULTICASTIPADDRESS, MULTICASTIP_MAX_SIZE - 1);
509 : daemon_local->UDPMulticastIPPort = MULTICASTIPPORT;
510 : #endif
511 1 : daemon_local->flags.ipNodes = NULL;
512 1 : daemon_local->flags.injectionMode = 1;
513 :
514 : /* open configuration file */
515 1 : if (daemon_local->flags.cvalue[0])
516 1 : filename = daemon_local->flags.cvalue;
517 : else
518 : filename = CONFIGURATION_FILES_DIR "/dlt.conf";
519 :
520 : /*printf("Load configuration from file: %s\n",filename); */
521 1 : pFile = fopen (filename, "r");
522 :
523 1 : if (pFile != NULL) {
524 : while (1) {
525 : /* fetch line from configuration file */
526 14 : if (fgets (line, value_length - 1, pFile) != NULL) {
527 6 : pch = strtok (line, " =\r\n");
528 6 : token[0] = 0;
529 6 : value[0] = 0;
530 :
531 11 : while (pch != NULL) {
532 10 : if (strcmp(pch, "#") == 0)
533 : break;
534 :
535 10 : if (token[0] == 0) {
536 5 : strncpy(token, pch, sizeof(token) - 1);
537 5 : token[sizeof(token) - 1] = 0;
538 : }
539 : else {
540 5 : strncpy(value, pch, sizeof(value) - 1);
541 5 : value[sizeof(value) - 1] = 0;
542 5 : break;
543 : }
544 :
545 5 : pch = strtok (NULL, " =\r\n");
546 : }
547 :
548 6 : if (token[0] && value[0]) {
549 : /* parse arguments here */
550 5 : if (strcmp(token, "Verbose") == 0) {
551 0 : daemon_local->flags.vflag = atoi(value);
552 : /*printf("Option: %s=%s\n",token,value); */
553 : }
554 5 : else if (strcmp(token, "PrintASCII") == 0)
555 : {
556 0 : daemon_local->flags.aflag = atoi(value);
557 : /*printf("Option: %s=%s\n",token,value); */
558 : }
559 5 : else if (strcmp(token, "PrintHex") == 0)
560 : {
561 0 : daemon_local->flags.xflag = atoi(value);
562 : /*printf("Option: %s=%s\n",token,value); */
563 : }
564 5 : else if (strcmp(token, "PrintHeadersOnly") == 0)
565 : {
566 0 : daemon_local->flags.sflag = atoi(value);
567 : /*printf("Option: %s=%s\n",token,value); */
568 : }
569 5 : else if (strcmp(token, "SendSerialHeader") == 0)
570 : {
571 0 : daemon_local->flags.lflag = atoi(value);
572 : /*printf("Option: %s=%s\n",token,value); */
573 : }
574 5 : else if (strcmp(token, "SendContextRegistration") == 0)
575 : {
576 0 : daemon_local->flags.rflag = atoi(value);
577 : /*printf("Option: %s=%s\n",token,value); */
578 : }
579 5 : else if (strcmp(token, "SendContextRegistrationOption") == 0)
580 : {
581 0 : daemon_local->flags.autoResponseGetLogInfoOption = atoi(value);
582 : /*printf("Option: %s=%s\n",token,value); */
583 : }
584 5 : else if (strcmp(token, "SendMessageTime") == 0)
585 : {
586 0 : daemon_local->flags.sendMessageTime = atoi(value);
587 : /*printf("Option: %s=%s\n",token,value); */
588 : }
589 5 : else if (strcmp(token, "RS232SyncSerialHeader") == 0)
590 : {
591 0 : daemon_local->flags.mflag = atoi(value);
592 : /*printf("Option: %s=%s\n",token,value); */
593 : }
594 5 : else if (strcmp(token, "TCPSyncSerialHeader") == 0)
595 : {
596 0 : daemon_local->flags.nflag = atoi(value);
597 : /*printf("Option: %s=%s\n",token,value); */
598 : }
599 5 : else if (strcmp(token, "RS232DeviceName") == 0)
600 : {
601 0 : strncpy(daemon_local->flags.yvalue, value, NAME_MAX);
602 0 : daemon_local->flags.yvalue[NAME_MAX] = 0;
603 : /*printf("Option: %s=%s\n",token,value); */
604 : }
605 5 : else if (strcmp(token, "RS232Baudrate") == 0)
606 : {
607 0 : strncpy(daemon_local->flags.bvalue, value, NAME_MAX);
608 0 : daemon_local->flags.bvalue[NAME_MAX] = 0;
609 : /*printf("Option: %s=%s\n",token,value); */
610 : }
611 5 : else if (strcmp(token, "ECUId") == 0)
612 : {
613 0 : strncpy(daemon_local->flags.evalue, value, NAME_MAX);
614 0 : daemon_local->flags.evalue[NAME_MAX] = 0;
615 : /*printf("Option: %s=%s\n",token,value); */
616 : }
617 5 : else if (strcmp(token, "PersistanceStoragePath") == 0)
618 : {
619 0 : strncpy(daemon_local->flags.ivalue, value, NAME_MAX);
620 0 : daemon_local->flags.ivalue[NAME_MAX] = 0;
621 : /*printf("Option: %s=%s\n",token,value); */
622 : }
623 5 : else if (strcmp(token, "LoggingMode") == 0)
624 : {
625 0 : daemon_local->flags.loggingMode = (DltLoggingMode)atoi(value);
626 : /*printf("Option: %s=%s\n",token,value); */
627 : }
628 5 : else if (strcmp(token, "LoggingLevel") == 0)
629 : {
630 0 : daemon_local->flags.loggingLevel = atoi(value);
631 : /*printf("Option: %s=%s\n",token,value); */
632 : }
633 5 : else if (strcmp(token, "LoggingFilename") == 0)
634 : {
635 : strncpy(daemon_local->flags.loggingFilename,
636 : value,
637 : sizeof(daemon_local->flags.loggingFilename) - 1);
638 0 : daemon_local->flags.loggingFilename[sizeof(daemon_local->flags.loggingFilename) - 1] = 0;
639 : /*printf("Option: %s=%s\n",token,value); */
640 : }
641 5 : else if (strcmp(token, "EnableLoggingFileLimit") == 0)
642 : {
643 0 : daemon_local->flags.enableLoggingFileLimit = (bool)atoi(value);
644 : }
645 5 : else if (strcmp(token, "LoggingFileSize") == 0)
646 : {
647 0 : daemon_local->flags.loggingFileSize = atoi(value);
648 : }
649 5 : else if (strcmp(token, "LoggingFileMaxSize") == 0)
650 : {
651 0 : daemon_local->flags.loggingFileMaxSize = atoi(value);
652 : }
653 5 : else if (strcmp(token, "TimeOutOnSend") == 0)
654 : {
655 0 : daemon_local->timeoutOnSend = atoi(value);
656 : /*printf("Option: %s=%s\n",token,value); */
657 : }
658 5 : else if (strcmp(token, "RingbufferMinSize") == 0)
659 : {
660 0 : if (dlt_daemon_check_numeric_setting(token,
661 : value, &(daemon_local->RingbufferMinSize)) < 0) {
662 0 : fclose (pFile);
663 0 : return -1;
664 : }
665 : }
666 5 : else if (strcmp(token, "RingbufferMaxSize") == 0)
667 : {
668 0 : if (dlt_daemon_check_numeric_setting(token,
669 : value, &(daemon_local->RingbufferMaxSize)) < 0) {
670 0 : fclose (pFile);
671 0 : return -1;
672 : }
673 : }
674 5 : else if (strcmp(token, "RingbufferStepSize") == 0)
675 : {
676 0 : if (dlt_daemon_check_numeric_setting(token,
677 : value, &(daemon_local->RingbufferStepSize)) < 0) {
678 0 : fclose (pFile);
679 0 : return -1;
680 : }
681 : }
682 5 : else if (strcmp(token, "SharedMemorySize") == 0)
683 : {
684 0 : daemon_local->flags.sharedMemorySize = atoi(value);
685 : /*printf("Option: %s=%s\n",token,value); */
686 : }
687 5 : else if (strcmp(token, "OfflineTraceDirectory") == 0)
688 : {
689 0 : strncpy(daemon_local->flags.offlineTraceDirectory, value,
690 : sizeof(daemon_local->flags.offlineTraceDirectory) - 1);
691 : daemon_local->flags.offlineTraceDirectory[sizeof(daemon_local->flags.offlineTraceDirectory) -
692 0 : 1] = 0;
693 : /*printf("Option: %s=%s\n",token,value); */
694 : }
695 5 : else if (strcmp(token, "OfflineTraceFileSize") == 0)
696 : {
697 0 : daemon_local->flags.offlineTraceFileSize = atoi(value);
698 : /*printf("Option: %s=%s\n",token,value); */
699 : }
700 5 : else if (strcmp(token, "OfflineTraceMaxSize") == 0)
701 : {
702 0 : daemon_local->flags.offlineTraceMaxSize = atoi(value);
703 : /*printf("Option: %s=%s\n",token,value); */
704 : }
705 5 : else if (strcmp(token, "OfflineTraceFileNameTimestampBased") == 0)
706 : {
707 0 : daemon_local->flags.offlineTraceFilenameTimestampBased = (bool)atoi(value);
708 : /*printf("Option: %s=%s\n",token,value); */
709 : }
710 5 : else if (strcmp(token, "SendECUSoftwareVersion") == 0)
711 : {
712 0 : daemon_local->flags.sendECUSoftwareVersion = atoi(value);
713 : /*printf("Option: %s=%s\n",token,value); */
714 : }
715 5 : else if (strcmp(token, "PathToECUSoftwareVersion") == 0)
716 : {
717 : strncpy(daemon_local->flags.pathToECUSoftwareVersion, value,
718 : sizeof(daemon_local->flags.pathToECUSoftwareVersion) - 1);
719 : daemon_local->flags.pathToECUSoftwareVersion[sizeof(daemon_local->flags.pathToECUSoftwareVersion)
720 0 : - 1] = 0;
721 : /*printf("Option: %s=%s\n",token,value); */
722 : }
723 5 : else if (strcmp(token, "ECUSoftwareVersionFileField") == 0) {
724 : strncpy(daemon_local->flags.ecuSoftwareVersionFileField, value,
725 : sizeof(daemon_local->flags.ecuSoftwareVersionFileField) - 1);
726 : daemon_local->flags.ecuSoftwareVersionFileField[sizeof(daemon_local->flags.ecuSoftwareVersionFileField)
727 0 : - 1] = 0;
728 : /*printf("Option: %s=%s\n",token,value); */
729 : }
730 5 : else if (strcmp(token, "SendTimezone") == 0)
731 : {
732 0 : daemon_local->flags.sendTimezone = atoi(value);
733 : /*printf("Option: %s=%s\n",token,value); */
734 : }
735 5 : else if (strcmp(token, "OfflineLogstorageMaxDevices") == 0)
736 : {
737 1 : daemon_local->flags.offlineLogstorageMaxDevices = (int)strtoul(value, NULL, 10);
738 : }
739 4 : else if (strcmp(token, "OfflineLogstorageDirPath") == 0)
740 : {
741 1 : strncpy(daemon_local->flags.offlineLogstorageDirPath,
742 : value,
743 : sizeof(daemon_local->flags.offlineLogstorageDirPath) - 1);
744 : }
745 3 : else if (strcmp(token, "OfflineLogstorageTimestamp") == 0)
746 : {
747 : /* Check if set to 0, default otherwise */
748 1 : if (atoi(value) == 0)
749 1 : daemon_local->flags.offlineLogstorageTimestamp = 0;
750 : }
751 2 : else if (strcmp(token, "OfflineLogstorageDelimiter") == 0)
752 : {
753 : /* Check if valid punctuation, default otherwise*/
754 0 : if (ispunct((char)value[0]))
755 0 : daemon_local->flags.offlineLogstorageDelimiter = (char)value[0];
756 : }
757 2 : else if (strcmp(token, "OfflineLogstorageMaxCounter") == 0)
758 : {
759 0 : daemon_local->flags.offlineLogstorageMaxCounter = (unsigned int) atoi(value);
760 0 : daemon_local->flags.offlineLogstorageMaxCounterIdx = (unsigned int) strlen(value);
761 2 : } else if (strcmp(token, "OfflineLogstorageOptionalIndex") == 0) {
762 1 : daemon_local->flags.offlineLogstorageOptionalCounter = atoi(value);
763 : }
764 1 : else if (strcmp(token, "OfflineLogstorageCacheSize") == 0)
765 : {
766 0 : daemon_local->flags.offlineLogstorageCacheSize =
767 0 : (unsigned int)atoi(value);
768 0 : dlt_daemon_logstorage_set_logstorage_cache_size(
769 : daemon_local->flags.offlineLogstorageCacheSize);
770 : }
771 1 : else if (strcmp(token, "ControlSocketPath") == 0)
772 : {
773 : memset(
774 : daemon_local->flags.ctrlSockPath,
775 : 0,
776 : DLT_DAEMON_FLAG_MAX);
777 : strncpy(
778 : daemon_local->flags.ctrlSockPath,
779 : value,
780 : DLT_DAEMON_FLAG_MAX - 1);
781 : }
782 0 : else if (strcmp(token, "GatewayMode") == 0)
783 : {
784 0 : daemon_local->flags.gatewayMode = atoi(value);
785 : /*printf("Option: %s=%s\n",token,value); */
786 : }
787 0 : else if (strcmp(token, "GatewayConfigFile") == 0)
788 : {
789 : memset(
790 : daemon_local->flags.gatewayConfigFile,
791 : 0,
792 : DLT_DAEMON_FLAG_MAX);
793 : strncpy(
794 : daemon_local->flags.gatewayConfigFile,
795 : value,
796 : DLT_DAEMON_FLAG_MAX - 1);
797 : }
798 0 : else if (strcmp(token, "ContextLogLevel") == 0)
799 : {
800 : int const intval = atoi(value);
801 :
802 0 : if ((intval >= DLT_LOG_OFF) && (intval <= DLT_LOG_VERBOSE)) {
803 0 : daemon_local->flags.contextLogLevel = intval;
804 : printf("Option: %s=%s\n", token, value);
805 : }
806 : else {
807 0 : fprintf(stderr,
808 : "Invalid value for ContextLogLevel: %i. Must be in range [%i..%i]\n",
809 : intval,
810 : DLT_LOG_OFF,
811 : DLT_LOG_VERBOSE);
812 : }
813 : }
814 0 : else if (strcmp(token, "ContextTraceStatus") == 0)
815 : {
816 : int const intval = atoi(value);
817 :
818 0 : if ((intval >= DLT_TRACE_STATUS_OFF) && (intval <= DLT_TRACE_STATUS_ON)) {
819 0 : daemon_local->flags.contextTraceStatus = intval;
820 : printf("Option: %s=%s\n", token, value);
821 : }
822 : else {
823 0 : fprintf(stderr,
824 : "Invalid value for ContextTraceStatus: %i. Must be in range [%i..%i]\n",
825 : intval,
826 : DLT_TRACE_STATUS_OFF,
827 : DLT_TRACE_STATUS_ON);
828 : }
829 : }
830 0 : else if (strcmp(token, "ForceContextLogLevelAndTraceStatus") == 0)
831 : {
832 : int const intval = atoi(value);
833 :
834 0 : if ((intval >= 0) && (intval <= 1)) {
835 0 : daemon_local->flags.enforceContextLLAndTS = intval;
836 : printf("Option: %s=%s\n", token, value);
837 : }
838 : else {
839 0 : fprintf(stderr,
840 : "Invalid value for ForceContextLogLevelAndTraceStatus: %i. Must be 0, 1\n",
841 : intval);
842 : }
843 : }
844 :
845 : #ifdef DLT_DAEMON_USE_FIFO_IPC
846 0 : else if (strcmp(token, "DaemonFIFOSize") == 0)
847 : {
848 0 : if (dlt_daemon_check_numeric_setting(token,
849 : value, &(daemon_local->daemonFifoSize)) < 0) {
850 0 : fclose (pFile);
851 0 : return -1;
852 : }
853 : #ifndef __linux__
854 : printf("Option DaemonFIFOSize is set but only supported on Linux. Ignored.\n");
855 : #endif
856 : }
857 0 : else if (strcmp(token, "DaemonFifoGroup") == 0)
858 : {
859 : strncpy(daemon_local->flags.daemonFifoGroup, value, NAME_MAX);
860 0 : daemon_local->flags.daemonFifoGroup[NAME_MAX] = 0;
861 : }
862 : #endif
863 : #ifdef UDP_CONNECTION_SUPPORT
864 : else if (strcmp(token, "UDPConnectionSetup") == 0)
865 : {
866 : const long longval = strtol(value, NULL, 10);
867 :
868 : if ((longval == MULTICAST_CONNECTION_DISABLED)
869 : || (longval == MULTICAST_CONNECTION_ENABLED)) {
870 : daemon_local->UDPConnectionSetup = longval;
871 : printf("Option: %s=%s\n", token, value);
872 : }
873 : else {
874 : daemon_local->UDPConnectionSetup = MULTICAST_CONNECTION_DISABLED;
875 : fprintf(stderr,
876 : "Invalid value for UDPConnectionSetup set to default %ld\n",
877 : longval);
878 : }
879 : }
880 : else if (strcmp(token, "UDPMulticastIPAddress") == 0)
881 : {
882 : strncpy(daemon_local->UDPMulticastIPAddress, value,
883 : MULTICASTIP_MAX_SIZE - 1);
884 : }
885 : else if (strcmp(token, "UDPMulticastIPPort") == 0)
886 : {
887 : daemon_local->UDPMulticastIPPort = strtol(value, NULL, 10);
888 : }
889 : #endif
890 0 : else if (strcmp(token, "BindAddress") == 0)
891 : {
892 : DltBindAddress_t *newNode = NULL;
893 : DltBindAddress_t *temp = NULL;
894 :
895 0 : char *tok = strtok(value, ",;");
896 :
897 0 : if (tok != NULL) {
898 0 : daemon_local->flags.ipNodes = calloc(1, sizeof(DltBindAddress_t));
899 :
900 0 : if (daemon_local->flags.ipNodes == NULL) {
901 0 : dlt_vlog(LOG_ERR, "Could not allocate for IP list\n");
902 0 : fclose(pFile);
903 0 : return -1;
904 : }
905 : else {
906 0 : strncpy(daemon_local->flags.ipNodes->ip,
907 : tok,
908 : sizeof(daemon_local->flags.ipNodes->ip) - 1);
909 0 : daemon_local->flags.ipNodes->next = NULL;
910 : temp = daemon_local->flags.ipNodes;
911 :
912 0 : tok = strtok(NULL, ",;");
913 :
914 0 : while (tok != NULL) {
915 0 : newNode = calloc(1, sizeof(DltBindAddress_t));
916 :
917 0 : if (newNode == NULL) {
918 0 : dlt_vlog(LOG_ERR, "Could not allocate for IP list\n");
919 0 : fclose(pFile);
920 0 : return -1;
921 : }
922 : else {
923 0 : strncpy(newNode->ip, tok, sizeof(newNode->ip) - 1);
924 : }
925 :
926 0 : temp->next = newNode;
927 : temp = temp->next;
928 0 : tok = strtok(NULL, ",;");
929 : }
930 : }
931 : }
932 : else {
933 0 : dlt_vlog(LOG_WARNING, "BindAddress option is empty\n");
934 : }
935 : }
936 0 : else if (strcmp(token, "InjectionMode") == 0) {
937 0 : daemon_local->flags.injectionMode = atoi(value);
938 : }
939 : else {
940 0 : fprintf(stderr, "Unknown option: %s=%s\n", token, value);
941 : }
942 : }
943 : }
944 : else {
945 : break;
946 : }
947 : }
948 :
949 1 : fclose (pFile);
950 : }
951 : else {
952 0 : fprintf(stderr, "Cannot open configuration file: %s\n", filename);
953 : }
954 :
955 : return 0;
956 : }
957 :
958 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
959 : /**
960 : * Load configuration file parser
961 : */
962 :
963 : static int compare_app_id_conf(const void *lhs, const void *rhs)
964 : {
965 : return strncmp(((DltDaemonContextLogSettings *)lhs)->apid,
966 : ((DltDaemonContextLogSettings *)rhs)->apid, DLT_ID_SIZE);
967 : }
968 :
969 : int app_id_default_log_level_config_parser(DltDaemon *daemon,
970 : DltDaemonLocal *daemon_local) {
971 : FILE *pFile;
972 : char line[value_length - 1];
973 : char app_id_value[value_length];
974 : char ctx_id_value[value_length];
975 : DltLogLevelType log_level_value;
976 :
977 : char *pch;
978 : const char *filename;
979 :
980 : /* open configuration file */
981 : filename = daemon_local->flags.avalue[0]
982 : ? daemon_local->flags.avalue
983 : : CONFIGURATION_FILES_DIR "/dlt-log-levels.conf";
984 :
985 : pFile = fopen(filename, "r");
986 : if (pFile == NULL) {
987 : dlt_vlog(LOG_WARNING, "Cannot open app log level configuration%s\n", filename);
988 : return -errno;
989 : }
990 :
991 : /* fetch lines from configuration file */
992 : while (fgets(line, value_length - 1, pFile) != NULL) {
993 : pch = strtok(line, " \t");
994 : memset(app_id_value, 0, value_length);
995 : memset(ctx_id_value, 0, value_length);
996 : log_level_value = DLT_LOG_MAX;
997 :
998 : /* ignore comments and new lines*/
999 : if (strncmp(pch, "#", 1) == 0 || strncmp(pch, "\n", 1) == 0
1000 : || strlen(pch) < 1)
1001 : continue;
1002 :
1003 : strncpy(app_id_value, pch, sizeof(app_id_value) - 1);
1004 : app_id_value[sizeof(app_id_value) - 1] = 0;
1005 : if (strlen(app_id_value) == 0 || strlen(app_id_value) > DLT_ID_SIZE) {
1006 : if (app_id_value[strlen(app_id_value) - 1] == '\n') {
1007 : dlt_vlog(LOG_WARNING, "Missing log level for apid %s in log settings\n",
1008 : app_id_value);
1009 : } else {
1010 : dlt_vlog(LOG_WARNING,
1011 : "Invalid apid for log settings settings: app id: %s\n",
1012 : app_id_value);
1013 : }
1014 :
1015 : continue;
1016 : }
1017 :
1018 : char *pch_next1 = strtok(NULL, " \t");
1019 : char *pch_next2 = strtok(NULL, " \t");
1020 : char *log_level;
1021 : /* no context id given, log level is next token */
1022 : if (pch_next2 == NULL || pch_next2[0] == '#') {
1023 : log_level = pch_next1;
1024 : } else {
1025 : /* context id is given, log level is second to next token */
1026 : log_level = pch_next2;
1027 :
1028 : /* next token is token id */
1029 : strncpy(ctx_id_value, pch_next1, sizeof(ctx_id_value) - 1);
1030 : if (strlen(ctx_id_value) == 0 || strlen(app_id_value) > DLT_ID_SIZE) {
1031 : dlt_vlog(LOG_WARNING,
1032 : "Invalid ctxid for log settings: app id: %s "
1033 : "(skipping line)\n",
1034 : app_id_value);
1035 : continue;
1036 : }
1037 :
1038 : ctx_id_value[sizeof(ctx_id_value) - 1] = 0;
1039 : }
1040 :
1041 : errno = 0;
1042 : log_level_value = strtol(log_level, NULL, 10);
1043 : if (errno != 0 || log_level_value >= DLT_LOG_MAX ||
1044 : log_level_value <= DLT_LOG_DEFAULT) {
1045 : dlt_vlog(LOG_WARNING,
1046 : "Invalid log level (%i), app id %s, conversion error: %s\n",
1047 : log_level_value, app_id_value, strerror(errno));
1048 : continue;
1049 : }
1050 :
1051 : DltDaemonContextLogSettings *settings =
1052 : dlt_daemon_find_configured_app_id_ctx_id_settings(
1053 : daemon, app_id_value, NULL);
1054 :
1055 : if (settings != NULL &&
1056 : strncmp(settings->ctid, ctx_id_value, DLT_ID_SIZE) == 0) {
1057 : if (strlen(ctx_id_value) > 0) {
1058 : dlt_vlog(LOG_WARNING,
1059 : "Appid %s with ctxid %s is already configured, skipping "
1060 : "duplicated entry\n",
1061 : app_id_value, ctx_id_value);
1062 : } else {
1063 : dlt_vlog(LOG_WARNING,
1064 : "Appid %s is already configured, skipping duplicated entry\n",
1065 : app_id_value);
1066 : }
1067 :
1068 : continue;
1069 : }
1070 :
1071 : /* allocate one more element in the trace load settings */
1072 : DltDaemonContextLogSettings *tmp =
1073 : realloc(daemon->app_id_log_level_settings,
1074 : (++daemon->num_app_id_log_level_settings) *
1075 : sizeof(DltDaemonContextLogSettings));
1076 :
1077 : if (tmp == NULL) {
1078 : dlt_log(LOG_CRIT, "Failed to allocate memory for app load settings\n");
1079 : continue;
1080 : }
1081 :
1082 : daemon->app_id_log_level_settings = tmp;
1083 :
1084 : /* update newly created entry */
1085 : settings = &daemon->app_id_log_level_settings
1086 : [daemon->num_app_id_log_level_settings -1];
1087 :
1088 : memset(settings, 0, sizeof(DltDaemonContextLogSettings));
1089 : memcpy(settings->apid, app_id_value, DLT_ID_SIZE);
1090 : memcpy(settings->ctid, ctx_id_value, DLT_ID_SIZE);
1091 : settings->log_level = log_level_value;
1092 :
1093 : /* make sure ids are 0 terminated for printing */
1094 : char apid_buf[DLT_ID_SIZE + 1] = {0};
1095 : char ctid_buf[DLT_ID_SIZE + 1] = {0};
1096 : memcpy(apid_buf, app_id_value, DLT_ID_SIZE);
1097 : memcpy(ctid_buf, ctx_id_value, DLT_ID_SIZE);
1098 :
1099 : /* log with or without context id */
1100 : if (strlen(ctid_buf) > 0) {
1101 : dlt_vlog(
1102 : LOG_INFO,
1103 : "Configured trace limits for app id %s, context id %s, level %u\n",
1104 : apid_buf, ctid_buf, log_level_value);
1105 : } else {
1106 : dlt_vlog(LOG_INFO, "Configured trace limits for app id %s, level %u\n",
1107 : apid_buf, log_level_value);
1108 : }
1109 :
1110 : } /* while */
1111 : fclose(pFile);
1112 :
1113 : /* list must be sorted to speed up dlt_daemon_find_configured_app_id_ctx_id_settings */
1114 : qsort(daemon->app_id_log_level_settings,
1115 : daemon->num_app_id_log_level_settings,
1116 : sizeof(DltDaemonContextLogSettings), compare_app_id_conf);
1117 :
1118 : return 0;
1119 : }
1120 : #endif
1121 :
1122 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
1123 : static bool is_ascii_only(const char *str) {
1124 : while (*str) {
1125 : if ((unsigned char)*str > 127) {
1126 : return false;
1127 : }
1128 : str++;
1129 : }
1130 : return true;
1131 : }
1132 :
1133 : /**
1134 : * Load configuration file parser
1135 : */
1136 : int trace_load_config_file_parser(DltDaemon *daemon, DltDaemonLocal *daemon_local)
1137 : {
1138 : FILE *pFile;
1139 : const int max_tokens = 4;
1140 : const int min_tokens = 3;
1141 : char tokens[max_tokens][value_length];
1142 : char line[value_length - 1];
1143 : char app_id_value[value_length];
1144 : char ctx_id_value[value_length];
1145 : char soft_limit_value[value_length];
1146 : char hard_limit_value[value_length];
1147 : int i;
1148 : uint32_t soft_limit;
1149 : uint32_t hard_limit;
1150 :
1151 : char *pch;
1152 : const char *filename;
1153 :
1154 : bool skipped;
1155 :
1156 : if (daemon->preconfigured_trace_load_settings != NULL) {
1157 : free(daemon->preconfigured_trace_load_settings);
1158 : daemon->preconfigured_trace_load_settings = NULL;
1159 : daemon->preconfigured_trace_load_settings_count = 0;
1160 : }
1161 : daemon->preconfigured_trace_load_settings = malloc(sizeof(DltTraceLoadSettings));
1162 : if (daemon->preconfigured_trace_load_settings == NULL) {
1163 : dlt_log(LOG_CRIT, "Failed to allocate memory for trace load settings\n");
1164 : return DLT_RETURN_ERROR;
1165 : }
1166 :
1167 : /* open configuration file */
1168 : filename = daemon_local->flags.lvalue[0]
1169 : ? daemon_local->flags.lvalue
1170 : : CONFIGURATION_FILES_DIR "/dlt-trace-load.conf";
1171 :
1172 : pFile = fopen (filename, "r");
1173 : if (pFile == NULL) {
1174 : dlt_vlog(LOG_WARNING, "Cannot open trace load configuration file: %s\n",
1175 : filename);
1176 : return -errno;
1177 : }
1178 :
1179 : while (1) {
1180 : /* fetch line from configuration file */
1181 : if (fgets(line, value_length - 1, pFile) == NULL) {
1182 : break;
1183 : }
1184 :
1185 : pch = strtok(line, " ");
1186 : app_id_value[0] = 0;
1187 : ctx_id_value[0] = 0;
1188 : soft_limit_value[0] = 0;
1189 : hard_limit_value[0] = 0;
1190 : soft_limit = 0U;
1191 : hard_limit = 0U;
1192 : memset(tokens, 0, sizeof(tokens));
1193 : i = 0;
1194 :
1195 : skipped = false;
1196 : while (pch != NULL && i < max_tokens) {
1197 : /* ignore comments, empty lines and new lines */
1198 : if (strncmp(pch, "#", 1) == 0 || strncmp(pch, "\n", 1) == 0 ||
1199 : strncmp(pch, "\r", 1) == 0 || strncmp(pch, " ", 1) == 0) {
1200 : skipped = true;
1201 : break;
1202 : }
1203 : strncpy(tokens[i], pch, sizeof(tokens[i]) - 1);
1204 : pch = strtok(NULL, " ");
1205 : ++i;
1206 : }
1207 :
1208 : if (skipped && i < min_tokens)
1209 : continue;
1210 :
1211 : if (pch != NULL
1212 : && (pch[0] != '\n')
1213 : && (pch[0] != '\t')
1214 : && (pch[0] != ' ')
1215 : && (pch[0] != '#')) {
1216 : dlt_vlog(LOG_WARNING,
1217 : "Invalid trace load settings: too many tokens in line '%s'\n", line);
1218 : continue;
1219 : }
1220 :
1221 : bool has_ctx_id = i == max_tokens;
1222 : int soft_limit_idx = has_ctx_id ? 2 : 1;
1223 : int hard_limit_idx = has_ctx_id ? 3 : 2;
1224 :
1225 : strncpy(app_id_value, tokens[0], sizeof(app_id_value) - 1);
1226 : if ((strlen(app_id_value) == 0)
1227 : || (strlen(app_id_value) > DLT_ID_SIZE)
1228 : || (!is_ascii_only(app_id_value))) {
1229 : dlt_vlog(LOG_WARNING,
1230 : "Invalid apid for trace load settings: app id: '%s'\n", app_id_value);
1231 : continue;
1232 : }
1233 :
1234 : if (has_ctx_id) {
1235 : strncpy(ctx_id_value, tokens[1], sizeof(ctx_id_value) - 1);
1236 : if ((strlen(ctx_id_value) == 0)
1237 : || (strlen(ctx_id_value) > DLT_ID_SIZE)
1238 : || (!is_ascii_only(ctx_id_value))) {
1239 : dlt_vlog(LOG_WARNING,
1240 : "Invalid ctid for trace load settings: context id: '%s'\n", ctx_id_value);
1241 : continue;
1242 : }
1243 : }
1244 :
1245 : if (strlen(tokens[soft_limit_idx]) == 0) {
1246 : dlt_vlog(LOG_WARNING,
1247 : "Invalid soft_limit for trace load settings: app id: '%.4s', '%s'\n",
1248 : app_id_value, tokens[soft_limit_idx]);
1249 : continue;
1250 : }
1251 :
1252 : if (strlen(tokens[hard_limit_idx]) == 0) {
1253 : dlt_vlog(LOG_WARNING,
1254 : "Invalid hard_limit for trace load settings: app id: '%.4s', '%s'\n",
1255 : app_id_value, tokens[hard_limit_idx]);
1256 : continue;
1257 : }
1258 :
1259 : strncpy(soft_limit_value, tokens[soft_limit_idx],
1260 : sizeof(soft_limit_value) - 1);
1261 : strncpy(hard_limit_value, tokens[hard_limit_idx],
1262 : sizeof(hard_limit_value) - 1);
1263 :
1264 : errno = 0;
1265 : char *endptr;
1266 : endptr = NULL;
1267 : soft_limit = strtoul(soft_limit_value, &endptr, 10);
1268 : if ((errno != 0)
1269 : || ((soft_limit == 0) && (soft_limit_value[0] != '0'))
1270 : || (soft_limit_value[0] == '-')
1271 : || ((*endptr != '\n') && (*endptr != '\0'))) {
1272 : dlt_vlog(LOG_WARNING,
1273 : "Invalid soft_limit for trace load settings: app id: '%.4s', soft_limit '%s'\n",
1274 : app_id_value, soft_limit_value);
1275 : continue;
1276 : }
1277 :
1278 : errno = 0;
1279 : endptr = NULL;
1280 : hard_limit = strtoul(hard_limit_value, &endptr, 10);
1281 : if ((errno != 0)
1282 : || ((hard_limit == 0) && (hard_limit_value[0] != '0'))
1283 : || (hard_limit_value[0] == '-')
1284 : || ((*endptr != '\n') && (*endptr != '\0'))) {
1285 : dlt_vlog(LOG_WARNING,
1286 : "Invalid hard_limit for trace load settings: app id: '%.4s', hard_limit '%s'\n",
1287 : app_id_value, hard_limit_value);
1288 : continue;
1289 : }
1290 :
1291 : if (soft_limit > hard_limit) {
1292 : dlt_vlog(LOG_WARNING,
1293 : "Invalid trace load settings: app id: '%.4s', soft limit %u is greater than hard limit %u\n",
1294 : app_id_value, soft_limit, hard_limit);
1295 : continue;
1296 : }
1297 :
1298 : DltTraceLoadSettings *settings = NULL;
1299 : int num_settings = 0;
1300 : DltReturnValue find_trace_settings_return_value = dlt_daemon_find_preconfigured_trace_load_settings(
1301 : daemon, app_id_value, ctx_id_value, &settings, &num_settings,
1302 : 0);
1303 : if (find_trace_settings_return_value != DLT_RETURN_OK || num_settings != 0) {
1304 : dlt_vlog(LOG_WARNING,
1305 : "App id '%.4s' is already configured, or an error occurred, skipping entry\n",
1306 : app_id_value);
1307 : if (settings != NULL) {
1308 : free(settings);
1309 : }
1310 : continue;
1311 : }
1312 :
1313 : /* allocate one more element in the trace load settings */
1314 : DltTraceLoadSettings *tmp =
1315 : realloc(daemon->preconfigured_trace_load_settings,
1316 : (++daemon->preconfigured_trace_load_settings_count) *
1317 : sizeof(DltTraceLoadSettings));
1318 :
1319 : if (tmp == NULL) {
1320 : dlt_log(LOG_CRIT,
1321 : "Failed to allocate memory for trace load settings\n");
1322 : return DLT_RETURN_ERROR;
1323 : }
1324 :
1325 : daemon->preconfigured_trace_load_settings = tmp;
1326 : settings = &daemon->preconfigured_trace_load_settings
1327 : [daemon->preconfigured_trace_load_settings_count - 1];
1328 : memset(settings, 0, sizeof(DltTraceLoadSettings));
1329 : settings->soft_limit = soft_limit;
1330 : settings->hard_limit = hard_limit;
1331 :
1332 : memcpy(settings->apid, app_id_value, DLT_ID_SIZE);
1333 : if (has_ctx_id) {
1334 : memcpy(settings->ctid, ctx_id_value, DLT_ID_SIZE);
1335 : dlt_vlog(LOG_INFO,
1336 : "Configured trace limits for app id '%.4s', ctx id '%.4s', soft limit: %u, hard_limit: %u\n",
1337 : app_id_value, ctx_id_value, soft_limit, hard_limit);
1338 : } else {
1339 : dlt_vlog(LOG_INFO,
1340 : "Configured trace limits for app id '%.4s', soft limit: %u, hard_limit: %u\n",
1341 : app_id_value, soft_limit, hard_limit);
1342 : }
1343 :
1344 :
1345 :
1346 : } /* while */
1347 : fclose(pFile);
1348 :
1349 : // sort limits to improve search performance
1350 : qsort(daemon->preconfigured_trace_load_settings, daemon->preconfigured_trace_load_settings_count,
1351 : sizeof(DltTraceLoadSettings),
1352 : dlt_daemon_compare_trace_load_settings);
1353 : return 0;
1354 : }
1355 : #endif
1356 :
1357 1 : static int dlt_mkdir_recursive(const char *dir)
1358 : {
1359 : int ret = 0;
1360 : char tmp[PATH_MAX + 1];
1361 : char *p = NULL;
1362 : char *end = NULL;
1363 : size_t len;
1364 :
1365 : strncpy(tmp, dir, PATH_MAX);
1366 1 : len = strlen(tmp);
1367 :
1368 1 : if (tmp[len - 1] == '/')
1369 0 : tmp[len - 1] = 0;
1370 :
1371 1 : end = tmp + len;
1372 :
1373 4 : for (p = tmp + 1; ((*p) && (ret == 0)) || ((ret == -1 && errno == EEXIST) && (p != end)); p++)
1374 3 : if (*p == '/') {
1375 0 : *p = 0;
1376 :
1377 0 : if (access(tmp, F_OK) != 0 && errno == ENOENT) {
1378 0 : ret = mkdir(tmp,
1379 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1380 : S_IRWXU);
1381 : #else
1382 : S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH /*S_IRWXU*/);
1383 : #endif
1384 : }
1385 :
1386 0 : *p = '/';
1387 : }
1388 :
1389 :
1390 :
1391 1 : if ((ret == 0) || ((ret == -1) && (errno == EEXIST)))
1392 1 : ret = mkdir(tmp,
1393 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1394 : S_IRWXU);
1395 : #else
1396 : S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH /*S_IRWXU*/);
1397 : #endif
1398 :
1399 1 : if ((ret == -1) && (errno == EEXIST))
1400 : ret = 0;
1401 :
1402 1 : return ret;
1403 : }
1404 :
1405 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1406 1 : static DltReturnValue dlt_daemon_create_pipes_dir(char *dir)
1407 : {
1408 : int ret = DLT_RETURN_OK;
1409 :
1410 1 : if (dir == NULL) {
1411 0 : dlt_vlog(LOG_ERR, "%s: Invalid parameter\n", __func__);
1412 0 : return DLT_RETURN_WRONG_PARAMETER;
1413 : }
1414 :
1415 : /* create dlt pipes directory */
1416 1 : ret = mkdir(dir,
1417 : S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH | S_ISVTX);
1418 :
1419 1 : if ((ret == -1) && (errno != EEXIST)) {
1420 0 : dlt_vlog(LOG_ERR,
1421 : "FIFO user dir %s cannot be created (%s)!\n",
1422 : dir,
1423 : strerror(errno));
1424 :
1425 0 : return DLT_RETURN_ERROR;
1426 : }
1427 :
1428 : /* S_ISGID cannot be set by mkdir, let's reassign right bits */
1429 1 : ret = chmod(dir,
1430 : S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH | S_ISGID |
1431 : S_ISVTX);
1432 :
1433 1 : if (ret == -1) {
1434 0 : dlt_vlog(LOG_ERR,
1435 : "FIFO user dir %s cannot be chmoded (%s)!\n",
1436 : dir,
1437 0 : strerror(errno));
1438 :
1439 0 : return DLT_RETURN_ERROR;
1440 : }
1441 :
1442 : return ret;
1443 : }
1444 : #endif
1445 : // This will be defined when unit testing, so functions
1446 : // from this file can be tested without defining main twice
1447 : #ifndef DLT_DAEMON_UNIT_TESTS_NO_MAIN
1448 : /**
1449 : * Main function of tool.
1450 : */
1451 1 : int main(int argc, char *argv[])
1452 : {
1453 : char version[DLT_DAEMON_TEXTBUFSIZE];
1454 : char local_str[DLT_DAEMON_TEXTBUFSIZE];
1455 : DltDaemonLocal daemon_local;
1456 : DltDaemon daemon;
1457 : int back = 0;
1458 :
1459 : memset(&daemon_local, 0, sizeof(DltDaemonLocal));
1460 : memset(&daemon, 0, sizeof(DltDaemon));
1461 :
1462 : /* Command line option handling */
1463 1 : if ((back = option_handling(&daemon_local, argc, argv)) < 0) {
1464 0 : if (back != -2)
1465 0 : fprintf (stderr, "option_handling() failed!\n");
1466 :
1467 0 : return -1;
1468 : }
1469 :
1470 : /* Set protocol version from option, fallback to env or default */
1471 1 : if (daemon_local.flags.protocolVersion == DLTProtocolV1 || daemon_local.flags.protocolVersion == DLTProtocolV2) {
1472 0 : daemon.daemon_version = daemon_local.flags.protocolVersion;
1473 : } else {
1474 1 : daemon.daemon_version = DLTProtocolV1;
1475 : }
1476 :
1477 : /* Configuration file option handling */
1478 1 : if ((back = option_file_parser(&daemon_local)) < 0) {
1479 0 : if (back != -2)
1480 0 : fprintf (stderr, "option_file_parser() failed!\n");
1481 :
1482 0 : return -1;
1483 : }
1484 :
1485 : /* Initialize internal logging facility */
1486 1 : dlt_log_set_filename(daemon_local.flags.loggingFilename);
1487 1 : dlt_log_set_level(daemon_local.flags.loggingLevel);
1488 : DltReturnValue log_init_result =
1489 1 : dlt_log_init_multiple_logfiles_support(daemon_local.flags.loggingMode,
1490 1 : daemon_local.flags.enableLoggingFileLimit,
1491 : daemon_local.flags.loggingFileSize,
1492 : daemon_local.flags.loggingFileMaxSize);
1493 :
1494 1 : if (log_init_result != DLT_RETURN_OK) {
1495 0 : fprintf(stderr, "Failed to init internal logging\n");
1496 :
1497 : #ifdef WITH_DLT_FILE_LOGGING_SYSLOG_FALLBACK
1498 : if (daemon_local.flags.loggingMode == DLT_LOG_TO_FILE) {
1499 : fprintf(stderr, "Falling back to syslog mode\n");
1500 :
1501 : daemon_local.flags.loggingMode = DLT_LOG_TO_SYSLOG;
1502 : log_init_result = dlt_log_init(daemon_local.flags.loggingMode);
1503 : if (log_init_result != DLT_RETURN_OK) {
1504 : fprintf(stderr, "Failed to setup syslog logging, internal logs will "
1505 : "not be available\n");
1506 : }
1507 : }
1508 : #endif
1509 : }
1510 :
1511 : /* Print version information */
1512 1 : dlt_get_version(version, DLT_DAEMON_TEXTBUFSIZE);
1513 :
1514 1 : dlt_vlog(LOG_NOTICE, "Starting DLT Daemon; %s\n", version);
1515 1 : if (daemon.daemon_version == 2) {
1516 0 : dlt_vlog(LOG_INFO, "DLT protocol version: 2 (DLTv2)\n");
1517 : } else {
1518 1 : dlt_vlog(LOG_INFO, "DLT protocol version: 1 (DLTv1)\n");
1519 : }
1520 :
1521 1 : PRINT_FUNCTION_VERBOSE(daemon_local.flags.vflag);
1522 :
1523 : /* Make sure the parent user directory is created */
1524 : const char *dir_to_create;
1525 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1526 : dir_to_create = dltFifoBaseDir;
1527 : #else
1528 : dir_to_create = DLT_USER_IPC_PATH;
1529 : #endif
1530 1 : if (dlt_mkdir_recursive(dir_to_create) != 0) {
1531 0 : dlt_vlog(LOG_ERR, "Base dir %s cannot be created!\n", dir_to_create);
1532 0 : return -1;
1533 : }
1534 :
1535 : /* --- Daemon init phase 1 begin --- */
1536 1 : if (dlt_daemon_local_init_p1(&daemon, &daemon_local, daemon_local.flags.vflag) == -1) {
1537 0 : dlt_log(LOG_CRIT, "Initialization of phase 1 failed!\n");
1538 0 : return -1;
1539 : }
1540 :
1541 : /* --- Daemon init phase 1 end --- */
1542 :
1543 1 : if (dlt_daemon_prepare_event_handling(&daemon_local.pEvent)) {
1544 : /* TODO: Perform clean-up */
1545 0 : dlt_log(LOG_CRIT, "Initialization of event handling failed!\n");
1546 0 : return -1;
1547 : }
1548 :
1549 : /* --- Daemon connection init begin */
1550 1 : if (dlt_daemon_local_connection_init(&daemon, &daemon_local, daemon_local.flags.vflag) == -1) {
1551 0 : dlt_log(LOG_CRIT, "Initialization of local connections failed!\n");
1552 0 : return -1;
1553 : }
1554 :
1555 : /* --- Daemon connection init end */
1556 :
1557 1 : if (dlt_daemon_init_runtime_configuration(&daemon, daemon_local.flags.ivalue, daemon_local.flags.vflag) == -1) {
1558 0 : dlt_log(LOG_ERR, "Could not load runtime config\n");
1559 0 : return -1;
1560 : }
1561 :
1562 : /*
1563 : * Load dlt-runtime.cfg if available.
1564 : * This must be loaded before offline setup
1565 : */
1566 1 : dlt_daemon_configuration_load(&daemon, daemon.runtime_configuration, daemon_local.flags.vflag);
1567 :
1568 : /* --- Daemon init phase 2 begin --- */
1569 1 : if (dlt_daemon_local_init_p2(&daemon, &daemon_local, daemon_local.flags.vflag) == -1) {
1570 0 : dlt_log(LOG_CRIT, "Initialization of phase 2 failed!\n");
1571 0 : return -1;
1572 : }
1573 :
1574 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
1575 : /* Load control app id level configuration file without setting `back` to
1576 : * prevent exit if file is missing */
1577 : if (app_id_default_log_level_config_parser(&daemon, &daemon_local) < 0) {
1578 : dlt_vlog(LOG_WARNING, "app_id_default_log_level_config_parser() failed, "
1579 : "no app specific log levels will be configured\n");
1580 : }
1581 : #endif
1582 :
1583 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
1584 : /* Load control trace load configuration file without setting `back` to prevent exit if file is missing */
1585 : pthread_rwlock_init(&trace_load_rw_lock, NULL);
1586 : if (trace_load_config_file_parser(&daemon, &daemon_local) < 0) {
1587 : dlt_vlog(LOG_WARNING, "trace_load_config_file_parser() failed, using defaults for all app ids!\n");
1588 : }
1589 : #endif
1590 :
1591 : /* --- Daemon init phase 2 end --- */
1592 :
1593 1 : if (daemon_local.flags.offlineLogstorageDirPath[0])
1594 1 : if (dlt_daemon_logstorage_setup_internal_storage(
1595 : &daemon,
1596 : &daemon_local,
1597 : daemon_local.flags.offlineLogstorageDirPath,
1598 : daemon_local.flags.vflag) == -1)
1599 0 : dlt_log(LOG_INFO,
1600 : "Setting up internal offline log storage failed!\n");
1601 :
1602 : /* create fd for watchdog */
1603 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
1604 : {
1605 : char *watchdogUSec = getenv("WATCHDOG_USEC");
1606 : // set a sensible default, in case the environment variable is not set
1607 : int watchdogTimeoutSeconds = 30;
1608 :
1609 : dlt_log(LOG_DEBUG, "Systemd watchdog initialization\n");
1610 :
1611 : if (watchdogUSec) {
1612 : // WATCHDOG_USEC is the timeout in micrsoseconds
1613 : // divide this by 2*10^6 to get the interval in seconds
1614 : // 2 * because we notify systemd after half the timeout
1615 : watchdogTimeoutSeconds = atoi(watchdogUSec) / 2000000;
1616 : }
1617 :
1618 : if (watchdogTimeoutSeconds == 0) {
1619 : dlt_log(LOG_WARNING, "Watchdog timeout is too small, need at least 1s, setting 30s timeout\n");
1620 : watchdogTimeoutSeconds = 30;
1621 : }
1622 :
1623 : daemon.watchdog_trigger_interval = watchdogTimeoutSeconds;
1624 : daemon.watchdog_last_trigger_time = 0U;
1625 : create_timer_fd(&daemon_local,
1626 : watchdogTimeoutSeconds,
1627 : watchdogTimeoutSeconds,
1628 : DLT_TIMER_SYSTEMD);
1629 : }
1630 : #endif
1631 :
1632 : /* create fd for timer timing packets */
1633 1 : create_timer_fd(&daemon_local, 1, 1, DLT_TIMER_PACKET);
1634 :
1635 : /* create fd for timer ecu version */
1636 1 : if ((daemon_local.flags.sendECUSoftwareVersion > 0) ||
1637 1 : (daemon_local.flags.sendTimezone > 0))
1638 0 : create_timer_fd(&daemon_local, 60, 60, DLT_TIMER_ECU);
1639 :
1640 : /* initiate gateway */
1641 1 : if (daemon_local.flags.gatewayMode == 1) {
1642 0 : if (dlt_gateway_init(&daemon_local, daemon_local.flags.vflag) == -1) {
1643 0 : dlt_log(LOG_CRIT, "Failed to create gateway\n");
1644 0 : return -1;
1645 : }
1646 :
1647 : /* create gateway timer */
1648 0 : create_timer_fd(&daemon_local,
1649 : daemon_local.pGateway.interval,
1650 : daemon_local.pGateway.interval,
1651 : DLT_TIMER_GATEWAY);
1652 : }
1653 :
1654 : /* For offline tracing we still can use the same states */
1655 : /* as for socket sending. Using this trick we see the traces */
1656 : /* In the offline trace AND in the socket stream. */
1657 1 : if (daemon_local.flags.yvalue[0])
1658 0 : dlt_daemon_change_state(&daemon, DLT_DAEMON_STATE_SEND_DIRECT);
1659 : else
1660 1 : dlt_daemon_change_state(&daemon, DLT_DAEMON_STATE_BUFFER);
1661 :
1662 1 : dlt_daemon_init_user_information(&daemon,
1663 : &daemon_local.pGateway,
1664 : daemon_local.flags.gatewayMode,
1665 : daemon_local.flags.vflag);
1666 :
1667 : /*
1668 : * Check for app and ctx runtime cfg.
1669 : * These cfg must be loaded after ecuId and num_user_lists are available
1670 : */
1671 1 : if ((dlt_daemon_applications_load(&daemon, daemon.runtime_application_cfg,
1672 0 : daemon_local.flags.vflag) == 0) &&
1673 0 : (dlt_daemon_contexts_load(&daemon, daemon.runtime_context_cfg,
1674 : daemon_local.flags.vflag) == 0))
1675 0 : daemon.runtime_context_cfg_loaded = 1;
1676 :
1677 1 : dlt_daemon_log_internal(&daemon, &daemon_local,
1678 : "Daemon launched. Starting to output traces...",
1679 : DLT_LOG_INFO, DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
1680 : daemon_local.flags.vflag);
1681 :
1682 : /* Even handling loop. */
1683 218 : while ((back >= 0) && (g_exit >= 0))
1684 217 : back = dlt_daemon_handle_event(&daemon_local.pEvent,
1685 : &daemon,
1686 : &daemon_local);
1687 :
1688 1 : snprintf(local_str, DLT_DAEMON_TEXTBUFSIZE, "Exiting DLT daemon... [%d]",
1689 : g_signo);
1690 1 : dlt_daemon_log_internal(&daemon, &daemon_local, local_str, DLT_LOG_INFO,
1691 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
1692 : daemon_local.flags.vflag);
1693 1 : dlt_vlog(LOG_NOTICE, "%s%s", local_str, "\n");
1694 :
1695 1 : dlt_daemon_local_cleanup(&daemon, &daemon_local, daemon_local.flags.vflag);
1696 :
1697 : #ifdef UDP_CONNECTION_SUPPORT
1698 : dlt_daemon_udp_close_connection();
1699 : #endif
1700 :
1701 1 : dlt_gateway_deinit(&daemon_local.pGateway, daemon_local.flags.vflag);
1702 :
1703 1 : dlt_daemon_free(&daemon, daemon_local.flags.vflag);
1704 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
1705 : dlt_trace_load_free(&daemon);
1706 : #endif
1707 :
1708 1 : dlt_log(LOG_NOTICE, "Leaving DLT daemon\n");
1709 :
1710 1 : dlt_log_free();
1711 :
1712 1 : return 0;
1713 :
1714 : } /* main() */
1715 : #endif
1716 :
1717 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
1718 : void dlt_trace_load_free(DltDaemon* daemon)
1719 : {
1720 : if (daemon->preconfigured_trace_load_settings != NULL) {
1721 : free(daemon->preconfigured_trace_load_settings);
1722 : daemon->preconfigured_trace_load_settings = NULL;
1723 : }
1724 : pthread_rwlock_destroy(&trace_load_rw_lock);
1725 : }
1726 : #endif
1727 :
1728 :
1729 1 : int dlt_daemon_local_init_p1(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
1730 : {
1731 1 : PRINT_FUNCTION_VERBOSE(verbose);
1732 : int ret = DLT_RETURN_OK;
1733 :
1734 1 : if ((daemon == 0) || (daemon_local == 0)) {
1735 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_init_p1()\n");
1736 0 : return -1;
1737 : }
1738 :
1739 : #if defined(DLT_SYSTEMD_WATCHDOG_ENABLE) || defined(DLT_SYSTEMD_ENABLE)
1740 : ret = sd_booted();
1741 :
1742 : if (ret == 0) {
1743 : dlt_log(LOG_CRIT, "System not booted with systemd!\n");
1744 : }
1745 : else if (ret < 0)
1746 : {
1747 : dlt_log(LOG_CRIT, "sd_booted failed!\n");
1748 : return -1;
1749 : }
1750 : else {
1751 : dlt_log(LOG_INFO, "System booted with systemd\n");
1752 : }
1753 :
1754 : #endif
1755 :
1756 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1757 :
1758 1 : if (dlt_daemon_create_pipes_dir(daemon_local->flags.userPipesDir) == DLT_RETURN_ERROR)
1759 : return DLT_RETURN_ERROR;
1760 :
1761 : #endif
1762 :
1763 : /* Check for daemon mode */
1764 1 : if (daemon_local->flags.dflag)
1765 0 : dlt_daemon_daemonize(daemon_local->flags.vflag);
1766 :
1767 : /* initialise structure to use DLT file */
1768 1 : ret = dlt_file_init(&(daemon_local->file), daemon_local->flags.vflag);
1769 :
1770 1 : if (ret == DLT_RETURN_ERROR) {
1771 0 : dlt_log(LOG_ERR, "Could not initialize file structure\n");
1772 : /* Return value ignored, dlt daemon will exit */
1773 0 : dlt_file_free(&(daemon_local->file), daemon_local->flags.vflag);
1774 0 : return ret;
1775 : }
1776 :
1777 1 : signal(SIGPIPE, SIG_IGN);
1778 :
1779 1 : signal(SIGTERM, dlt_daemon_signal_handler); /* software termination signal from kill */
1780 1 : signal(SIGHUP, dlt_daemon_signal_handler); /* hangup signal */
1781 1 : signal(SIGQUIT, dlt_daemon_signal_handler);
1782 1 : signal(SIGINT, dlt_daemon_signal_handler);
1783 : #ifdef __QNX__
1784 : signal(SIGUSR1, dlt_daemon_signal_handler); /* for timer threads */
1785 : #endif
1786 :
1787 1 : return DLT_RETURN_OK;
1788 : }
1789 :
1790 1 : int dlt_daemon_local_init_p2(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
1791 : {
1792 1 : PRINT_FUNCTION_VERBOSE(verbose);
1793 :
1794 1 : if ((daemon == 0) || (daemon_local == 0)) {
1795 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_init_p2()\n");
1796 0 : return -1;
1797 : }
1798 :
1799 : /* Daemon data */
1800 1 : if (dlt_daemon_init(daemon, daemon_local->RingbufferMinSize, daemon_local->RingbufferMaxSize,
1801 1 : daemon_local->RingbufferStepSize, daemon_local->flags.ivalue,
1802 : daemon_local->flags.contextLogLevel,
1803 : daemon_local->flags.contextTraceStatus, daemon_local->flags.enforceContextLLAndTS,
1804 : daemon_local->flags.vflag) == -1) {
1805 0 : dlt_log(LOG_ERR, "Could not initialize daemon data\n");
1806 0 : return -1;
1807 : }
1808 :
1809 : /* init offline trace */
1810 1 : if (((daemon->mode == DLT_USER_MODE_INTERNAL) || (daemon->mode == DLT_USER_MODE_BOTH)) &&
1811 0 : daemon_local->flags.offlineTraceDirectory[0]) {
1812 0 : if (multiple_files_buffer_init(&(daemon_local->offlineTrace),
1813 0 : daemon_local->flags.offlineTraceDirectory,
1814 : daemon_local->flags.offlineTraceFileSize,
1815 : daemon_local->flags.offlineTraceMaxSize,
1816 0 : daemon_local->flags.offlineTraceFilenameTimestampBased,
1817 : false,
1818 : DLT_OFFLINETRACE_FILENAME_BASE,
1819 : DLT_OFFLINETRACE_FILENAME_EXT) == -1) {
1820 0 : dlt_log(LOG_ERR, "Could not initialize offline trace\n");
1821 0 : return -1;
1822 : }
1823 : }
1824 :
1825 : /* Init offline logstorage for MAX devices */
1826 1 : if (daemon_local->flags.offlineLogstorageMaxDevices > 0) {
1827 1 : size_t max_devices = (size_t)daemon_local->flags.offlineLogstorageMaxDevices;
1828 1 : daemon->storage_handle = malloc(sizeof(DltLogStorage) * max_devices);
1829 :
1830 1 : if (daemon->storage_handle == NULL) {
1831 0 : dlt_log(LOG_ERR, "Could not initialize offline logstorage\n");
1832 0 : return -1;
1833 : }
1834 :
1835 : memset(daemon->storage_handle, 0, sizeof(DltLogStorage) * max_devices);
1836 : }
1837 :
1838 : /* Set ECU id of daemon */
1839 1 : if (daemon_local->flags.evalue[0]){
1840 0 : dlt_set_id(daemon->ecuid, daemon_local->flags.evalue);
1841 0 : daemon->ecuid2len = (uint8_t)strlen(daemon_local->flags.evalue);
1842 0 : dlt_set_id_v2(daemon->ecuid2, daemon_local->flags.evalue, daemon->ecuid2len);
1843 :
1844 : }
1845 : else{
1846 1 : dlt_set_id(daemon->ecuid, DLT_DAEMON_ECU_ID);
1847 1 : daemon->ecuid2len = (uint8_t)strlen(DLT_DAEMON_ECU_ID);
1848 1 : dlt_set_id_v2(daemon->ecuid2, DLT_DAEMON_ECU_ID, daemon->ecuid2len);
1849 : }
1850 :
1851 : /* Set flag for optional sending of serial header */
1852 1 : daemon->sendserialheader = daemon_local->flags.lflag;
1853 :
1854 : #ifdef DLT_SHM_ENABLE
1855 :
1856 : /* init shared memory */
1857 : if (dlt_shm_init_server(&(daemon_local->dlt_shm), daemon_local->flags.dltShmName,
1858 : daemon_local->flags.sharedMemorySize) == DLT_RETURN_ERROR) {
1859 : dlt_log(LOG_ERR, "Could not initialize shared memory\n");
1860 : return -1;
1861 : }
1862 :
1863 : daemon_local->recv_buf_shm = (unsigned char *)calloc(1, DLT_SHM_RCV_BUFFER_SIZE);
1864 :
1865 : if (NULL == daemon_local->recv_buf_shm) {
1866 : dlt_log(LOG_ERR, "failed to allocated the buffer to receive shm data\n");
1867 : return -1;
1868 : }
1869 :
1870 : #endif
1871 :
1872 : /* prepare main loop */
1873 1 : if (dlt_message_init(&(daemon_local->msg), daemon_local->flags.vflag) == DLT_RETURN_ERROR) {
1874 0 : dlt_log(LOG_ERR, "Could not initialize message\n");
1875 0 : return -1;
1876 : }
1877 :
1878 : /* configure sending timing packets */
1879 1 : if (daemon_local->flags.sendMessageTime)
1880 0 : daemon->timingpackets = 1;
1881 :
1882 1 : if (dlt_daemon_local_ecu_version_init(daemon, daemon_local, daemon_local->flags.vflag) < 0) {
1883 1 : daemon->ECUVersionString = malloc(DLT_DAEMON_TEXTBUFSIZE);
1884 :
1885 1 : if (daemon->ECUVersionString == 0) {
1886 0 : dlt_log(LOG_WARNING, "Could not allocate memory for version string\n");
1887 0 : return -1;
1888 : }
1889 :
1890 1 : dlt_get_version(daemon->ECUVersionString, DLT_DAEMON_TEXTBUFSIZE);
1891 : }
1892 :
1893 : /* Set to allows one to maintain logstorage loglevel as default */
1894 1 : daemon->maintain_logstorage_loglevel = DLT_MAINTAIN_LOGSTORAGE_LOGLEVEL_ON;
1895 :
1896 1 : return 0;
1897 : }
1898 :
1899 1 : static int dlt_daemon_init_serial(DltDaemonLocal *daemon_local)
1900 : {
1901 : /* create and open serial connection from/to client */
1902 : /* open serial connection */
1903 : int fd = -1;
1904 :
1905 1 : if (daemon_local->flags.yvalue[0] == '\0')
1906 : return 0;
1907 :
1908 0 : fd = open(daemon_local->flags.yvalue, O_RDWR);
1909 :
1910 0 : if (fd < 0) {
1911 0 : dlt_vlog(LOG_ERR, "Failed to open serial device %s\n",
1912 : daemon_local->flags.yvalue);
1913 :
1914 0 : daemon_local->flags.yvalue[0] = 0;
1915 0 : return -1;
1916 : }
1917 :
1918 0 : if (isatty(fd)) {
1919 : int speed = DLT_DAEMON_SERIAL_DEFAULT_BAUDRATE;
1920 :
1921 0 : if (daemon_local->flags.bvalue[0])
1922 0 : speed = atoi(daemon_local->flags.bvalue);
1923 :
1924 0 : daemon_local->baudrate = dlt_convert_serial_speed(speed);
1925 :
1926 0 : if (dlt_setup_serial(fd, (speed_t) daemon_local->baudrate) < 0) {
1927 0 : close(fd);
1928 0 : daemon_local->flags.yvalue[0] = 0;
1929 :
1930 0 : dlt_vlog(LOG_ERR, "Failed to configure serial device %s (%s) \n",
1931 0 : daemon_local->flags.yvalue, strerror(errno));
1932 :
1933 0 : return -1;
1934 : }
1935 :
1936 0 : if (daemon_local->flags.vflag)
1937 0 : dlt_log(LOG_DEBUG, "Serial init done\n");
1938 : }
1939 : else {
1940 0 : close(fd);
1941 0 : fprintf(stderr,
1942 : "Device is not a serial device, device = %s (%s) \n",
1943 : daemon_local->flags.yvalue,
1944 0 : strerror(errno));
1945 0 : daemon_local->flags.yvalue[0] = 0;
1946 0 : return -1;
1947 : }
1948 :
1949 0 : return dlt_connection_create(daemon_local,
1950 : &daemon_local->pEvent,
1951 : fd,
1952 : POLLIN,
1953 : DLT_CONNECTION_CLIENT_MSG_SERIAL);
1954 : }
1955 :
1956 : #ifdef DLT_DAEMON_USE_FIFO_IPC
1957 1 : static int dlt_daemon_init_fifo(DltDaemonLocal *daemon_local)
1958 : {
1959 : int ret;
1960 : int fd = -1;
1961 : int fifo_size;
1962 :
1963 : /* open named pipe(FIFO) to receive DLT messages from users */
1964 1 : umask(0);
1965 :
1966 : /* Try to delete existing pipe, ignore result of unlink */
1967 1 : const char *tmpFifo = daemon_local->flags.daemonFifoName;
1968 1 : unlink(tmpFifo);
1969 :
1970 1 : ret = mkfifo(tmpFifo, S_IRUSR | S_IWUSR | S_IWGRP);
1971 :
1972 1 : if (ret == -1) {
1973 0 : dlt_vlog(LOG_WARNING, "FIFO user %s cannot be created (%s)!\n",
1974 0 : tmpFifo, strerror(errno));
1975 0 : return -1;
1976 : } /* if */
1977 :
1978 : /* Set group of daemon FIFO */
1979 1 : if (daemon_local->flags.daemonFifoGroup[0] != 0) {
1980 0 : errno = 0;
1981 0 : struct group *group_dlt = getgrnam(daemon_local->flags.daemonFifoGroup);
1982 :
1983 0 : if (group_dlt) {
1984 0 : ret = chown(tmpFifo, (uid_t)-1, group_dlt->gr_gid);
1985 :
1986 0 : if (ret == -1)
1987 0 : dlt_vlog(LOG_ERR, "FIFO user %s cannot be chowned to group %s (%s)\n",
1988 : tmpFifo, daemon_local->flags.daemonFifoGroup,
1989 : strerror(errno));
1990 : }
1991 0 : else if ((errno == 0) || (errno == ENOENT) || (errno == EBADF) || (errno == EPERM))
1992 : {
1993 0 : dlt_vlog(LOG_ERR, "Group name %s is not found (%s)\n",
1994 : daemon_local->flags.daemonFifoGroup,
1995 : strerror(errno));
1996 : }
1997 : else {
1998 0 : dlt_vlog(LOG_ERR, "Failed to get group id of %s (%s)\n",
1999 : daemon_local->flags.daemonFifoGroup,
2000 : strerror(errno));
2001 : }
2002 : }
2003 :
2004 : fd = open(tmpFifo, O_RDWR);
2005 :
2006 1 : if (fd == -1) {
2007 0 : dlt_vlog(LOG_WARNING, "FIFO user %s cannot be opened (%s)!\n",
2008 0 : tmpFifo, strerror(errno));
2009 0 : return -1;
2010 : } /* if */
2011 :
2012 : #ifdef __linux__
2013 : /* F_SETPIPE_SZ and F_GETPIPE_SZ are only supported for Linux.
2014 : * For other OSes it depends on its system e.g. pipe manager.
2015 : */
2016 1 : if (daemon_local->daemonFifoSize != 0) {
2017 : /* Set Daemon FIFO size */
2018 0 : if (fcntl(fd, F_SETPIPE_SZ, daemon_local->daemonFifoSize) == -1)
2019 0 : dlt_vlog(LOG_ERR, "set FIFO size error: %s\n", strerror(errno));
2020 : }
2021 :
2022 : /* Get Daemon FIFO size */
2023 1 : if ((fifo_size = fcntl(fd, F_GETPIPE_SZ, 0)) == -1)
2024 0 : dlt_vlog(LOG_ERR, "get FIFO size error: %s\n", strerror(errno));
2025 : else
2026 1 : dlt_vlog(LOG_INFO, "FIFO size: %d\n", fifo_size);
2027 : #endif
2028 :
2029 : /* Early init, to be able to catch client (app) connections
2030 : * as soon as possible. This registration is automatically ignored
2031 : * during next execution.
2032 : */
2033 1 : return dlt_connection_create(daemon_local,
2034 : &daemon_local->pEvent,
2035 : fd,
2036 : POLLIN,
2037 : DLT_CONNECTION_APP_MSG);
2038 : }
2039 : #endif
2040 :
2041 : #ifdef DLT_DAEMON_VSOCK_IPC_ENABLE
2042 : static int dlt_daemon_init_vsock(DltDaemonLocal *daemon_local)
2043 : {
2044 : int fd;
2045 : struct sockaddr_vm addr;
2046 :
2047 : fd = socket(AF_VSOCK, SOCK_STREAM, 0);
2048 : if (fd == -1) {
2049 : dlt_vlog(LOG_ERR, "Failed to create VSOCK socket: %s\n", strerror(errno));
2050 : return -1;
2051 : }
2052 :
2053 : memset(&addr, 0, sizeof(addr));
2054 : addr.svm_family = AF_VSOCK;
2055 : addr.svm_port = DLT_VSOCK_PORT;
2056 : addr.svm_cid = VMADDR_CID_ANY;
2057 :
2058 : if (bind(fd, (struct sockaddr *) &addr, sizeof(addr)) != 0) {
2059 : dlt_vlog(LOG_ERR, "Failed to bind VSOCK socket: %s\n", strerror(errno));
2060 : close(fd);
2061 : return -1;
2062 : }
2063 :
2064 : if (listen(fd, 1) != 0) {
2065 : dlt_vlog(LOG_ERR, "Failed to listen on VSOCK socket: %s\n", strerror(errno));
2066 : close(fd);
2067 : return -1;
2068 : }
2069 :
2070 : return dlt_connection_create(daemon_local,
2071 : &daemon_local->pEvent,
2072 : fd,
2073 : POLLIN,
2074 : DLT_CONNECTION_APP_CONNECT);
2075 : }
2076 : #endif
2077 :
2078 : #ifdef DLT_DAEMON_USE_UNIX_SOCKET_IPC
2079 : static DltReturnValue dlt_daemon_init_app_socket(DltDaemonLocal *daemon_local)
2080 : {
2081 : /* socket access permission set to srw-rw-rw- (666) */
2082 : int mask = S_IXUSR | S_IXGRP | S_IXOTH;
2083 : DltReturnValue ret = DLT_RETURN_OK;
2084 : int fd = -1;
2085 :
2086 : if (daemon_local == NULL) {
2087 : dlt_vlog(LOG_ERR, "%s: Invalid function parameters\n", __func__);
2088 : return DLT_RETURN_ERROR;
2089 : }
2090 :
2091 : #ifdef ANDROID
2092 : /* on android if we want to use security contexts on Unix sockets,
2093 : * they should be created by init (see dlt-daemon.rc in src/daemon)
2094 : * and recovered through the below API */
2095 : ret = dlt_daemon_unix_android_get_socket(&fd, daemon_local->flags.appSockPath);
2096 : if (ret < DLT_RETURN_OK) {
2097 : /* we failed to get app socket created by init.
2098 : * To avoid blocking users to launch dlt-daemon only through
2099 : * init on android (e.g: by hand for debugging purpose), try to
2100 : * create app socket by ourselves */
2101 : ret = dlt_daemon_unix_socket_open(&fd,
2102 : daemon_local->flags.appSockPath,
2103 : SOCK_STREAM,
2104 : mask);
2105 : }
2106 : #else
2107 : ret = dlt_daemon_unix_socket_open(&fd,
2108 : daemon_local->flags.appSockPath,
2109 : SOCK_STREAM,
2110 : mask);
2111 : #endif
2112 : if (ret == DLT_RETURN_OK) {
2113 : if (dlt_connection_create(daemon_local,
2114 : &daemon_local->pEvent,
2115 : fd,
2116 : POLLIN,
2117 : DLT_CONNECTION_APP_CONNECT)) {
2118 : dlt_log(LOG_CRIT, "Could not create connection for app socket.\n");
2119 : return DLT_RETURN_ERROR;
2120 : }
2121 : }
2122 : else {
2123 : dlt_log(LOG_CRIT, "Could not create and open app socket.\n");
2124 : return DLT_RETURN_ERROR;
2125 : }
2126 :
2127 : return ret;
2128 : }
2129 : #endif
2130 :
2131 1 : static DltReturnValue dlt_daemon_initialize_control_socket(DltDaemonLocal *daemon_local)
2132 : {
2133 : /* socket access permission set to srw-rw---- (660) */
2134 : int mask = S_IXUSR | S_IXGRP | S_IROTH | S_IWOTH | S_IXOTH;
2135 : DltReturnValue ret = DLT_RETURN_OK;
2136 1 : int fd = -1;
2137 :
2138 1 : if (daemon_local == NULL) {
2139 0 : dlt_vlog(LOG_ERR, "%s: Invalid function parameters\n", __func__);
2140 0 : return -1;
2141 : }
2142 :
2143 : #ifdef ANDROID
2144 : /* on android if we want to use security contexts on Unix sockets,
2145 : * they should be created by init (see dlt-daemon.rc in src/daemon)
2146 : * and recovered through the below API */
2147 : ret = dlt_daemon_unix_android_get_socket(&fd, daemon_local->flags.ctrlSockPath);
2148 : if (ret < DLT_RETURN_OK) {
2149 : /* we failed to get app socket created by init.
2150 : * To avoid blocking users to launch dlt-daemon only through
2151 : * init on android (e.g by hand for debugging purpose), try to
2152 : * create app socket by ourselves */
2153 : ret = dlt_daemon_unix_socket_open(&fd,
2154 : daemon_local->flags.ctrlSockPath,
2155 : SOCK_STREAM,
2156 : mask);
2157 : }
2158 : #else
2159 1 : ret = dlt_daemon_unix_socket_open(&fd,
2160 1 : daemon_local->flags.ctrlSockPath,
2161 : SOCK_STREAM,
2162 : mask);
2163 : #endif
2164 1 : if (ret == DLT_RETURN_OK) {
2165 1 : if (dlt_connection_create(daemon_local,
2166 : &daemon_local->pEvent,
2167 : fd,
2168 : POLLIN,
2169 : DLT_CONNECTION_CONTROL_CONNECT) < DLT_RETURN_OK) {
2170 0 : dlt_log(LOG_ERR, "Could not initialize control socket.\n");
2171 : ret = DLT_RETURN_ERROR;
2172 : }
2173 : }
2174 :
2175 : return ret;
2176 : }
2177 :
2178 1 : int dlt_daemon_local_connection_init(DltDaemon *daemon,
2179 : DltDaemonLocal *daemon_local,
2180 : int verbose)
2181 : {
2182 1 : int fd = -1;
2183 :
2184 1 : PRINT_FUNCTION_VERBOSE(verbose);
2185 :
2186 1 : if ((daemon == NULL) || (daemon_local == NULL)) {
2187 0 : dlt_vlog(LOG_ERR, "%s: Invalid function parameters\n", __func__);
2188 0 : return -1;
2189 : }
2190 :
2191 1 : DltBindAddress_t *head = daemon_local->flags.ipNodes;
2192 :
2193 : #ifdef DLT_DAEMON_USE_UNIX_SOCKET_IPC
2194 : /* create and open socket to receive incoming connections from user application */
2195 : if (dlt_daemon_init_app_socket(daemon_local) < DLT_RETURN_OK) {
2196 : dlt_log(LOG_ERR, "Unable to initialize app socket.\n");
2197 : return DLT_RETURN_ERROR;
2198 : }
2199 :
2200 : #else /* DLT_DAEMON_USE_FIFO_IPC */
2201 :
2202 1 : if (dlt_daemon_init_fifo(daemon_local)) {
2203 0 : dlt_log(LOG_ERR, "Unable to initialize fifo.\n");
2204 0 : return DLT_RETURN_ERROR;
2205 : }
2206 :
2207 : #endif
2208 :
2209 : #ifdef DLT_DAEMON_VSOCK_IPC_ENABLE
2210 : if (dlt_daemon_init_vsock(daemon_local) != 0) {
2211 : dlt_log(LOG_ERR, "Unable to initialize app VSOCK socket.\n");
2212 : return DLT_RETURN_ERROR;
2213 : }
2214 : #endif
2215 :
2216 : /* create and open socket to receive incoming connections from client */
2217 1 : daemon_local->client_connections = 0;
2218 :
2219 1 : if (head == NULL) { /* no IP set in BindAddress option, will use "0.0.0.0" as default */
2220 :
2221 1 : if (dlt_daemon_socket_open(&fd, daemon_local->flags.port, "0.0.0.0") == DLT_RETURN_OK) {
2222 1 : if (dlt_connection_create(daemon_local,
2223 : &daemon_local->pEvent,
2224 : fd,
2225 : POLLIN,
2226 : DLT_CONNECTION_CLIENT_CONNECT)) {
2227 0 : dlt_log(LOG_ERR, "Could not initialize main socket.\n");
2228 0 : return DLT_RETURN_ERROR;
2229 : }
2230 : }
2231 : else {
2232 0 : dlt_log(LOG_ERR, "Could not initialize main socket.\n");
2233 0 : return DLT_RETURN_ERROR;
2234 : }
2235 : }
2236 : else {
2237 : bool any_open = false;
2238 0 : while (head != NULL) { /* open socket for each IP in the bindAddress list */
2239 :
2240 0 : if (dlt_daemon_socket_open(&fd, daemon_local->flags.port, head->ip) == DLT_RETURN_OK) {
2241 0 : if (dlt_connection_create(daemon_local,
2242 : &daemon_local->pEvent,
2243 : fd,
2244 : POLLIN,
2245 : DLT_CONNECTION_CLIENT_CONNECT)) {
2246 0 : dlt_vlog(LOG_ERR, "Could not create connection, for binding %s\n", head->ip);
2247 : } else {
2248 : any_open = true;
2249 : }
2250 : }
2251 : else {
2252 0 : dlt_vlog(LOG_ERR, "Could not open main socket, for binding %s\n", head->ip);
2253 : }
2254 :
2255 0 : head = head->next;
2256 : }
2257 :
2258 0 : if (!any_open) {
2259 0 : dlt_vlog(LOG_ERR, "Failed create main socket for any configured binding\n");
2260 0 : return DLT_RETURN_ERROR;
2261 : }
2262 : }
2263 :
2264 : #ifdef UDP_CONNECTION_SUPPORT
2265 :
2266 : if (daemon_local->UDPConnectionSetup == MULTICAST_CONNECTION_ENABLED) {
2267 : if (dlt_daemon_udp_connection_setup(daemon_local) < 0) {
2268 : dlt_log(LOG_ERR, "UDP fd creation failed\n");
2269 : return DLT_RETURN_ERROR;
2270 : }
2271 : else {
2272 : dlt_log(LOG_INFO, "UDP fd creation success\n");
2273 : }
2274 : }
2275 :
2276 : #endif
2277 :
2278 : /* create and open unix socket to receive incoming connections from
2279 : * control application */
2280 1 : if (dlt_daemon_initialize_control_socket(daemon_local) < DLT_RETURN_OK) {
2281 0 : dlt_log(LOG_ERR, "Could not initialize control socket.\n");
2282 0 : return DLT_RETURN_ERROR;
2283 : }
2284 :
2285 : /* Init serial */
2286 1 : if (dlt_daemon_init_serial(daemon_local) < 0) {
2287 0 : dlt_log(LOG_ERR, "Could not initialize daemon data\n");
2288 0 : return DLT_RETURN_ERROR;
2289 : }
2290 :
2291 : return 0;
2292 : }
2293 :
2294 0 : static char* file_read_everything(FILE* const file, const size_t sizeLimit)
2295 : {
2296 0 : if (!file) {
2297 : return NULL;
2298 : }
2299 :
2300 : /* Get the file size. Bail out if stat fails. */
2301 0 : const int fd = fileno(file);
2302 0 : struct stat s_buf = {0};
2303 0 : if (fstat(fd, &s_buf) < 0) {
2304 0 : dlt_log(LOG_WARNING, "failed to stat file size\n");
2305 0 : fclose(file);
2306 0 : return NULL;
2307 : }
2308 :
2309 : /* Size limit includes NULL terminator. */
2310 0 : const off_t size = s_buf.st_size;
2311 0 : if (size < 0 || (size_t)size >= sizeLimit) {
2312 0 : dlt_log(LOG_WARNING, "file size invalid\n");
2313 0 : fclose(file);
2314 0 : return NULL;
2315 : }
2316 :
2317 0 : char* const string = malloc((size_t)size + 1);
2318 0 : if (!string) {
2319 0 : dlt_log(LOG_WARNING, "failed to allocate string for file contents\n");
2320 0 : fclose(file);
2321 0 : return NULL;
2322 : }
2323 :
2324 : off_t offset = 0;
2325 0 : while (!feof(file)) {
2326 0 : offset += (off_t)fread(string + offset, 1, (size_t)size, file);
2327 :
2328 0 : if (ferror(file)) {
2329 0 : dlt_log(LOG_WARNING, "failed to read file\n");
2330 0 : free(string);
2331 0 : fclose(file);
2332 0 : return NULL;
2333 : }
2334 :
2335 0 : if (offset > size) {
2336 0 : dlt_log(LOG_WARNING, "file too long for buffer\n");
2337 0 : free(string);
2338 0 : fclose(file);
2339 0 : return NULL;
2340 : }
2341 : }
2342 :
2343 0 : string[offset] = '\0'; /* append null termination at end of string */
2344 :
2345 0 : return string;
2346 : }
2347 :
2348 0 : static char* file_read_field(FILE* const file, const char* const fieldName)
2349 : {
2350 0 : if (!file) {
2351 : return NULL;
2352 : }
2353 :
2354 : const char* const kDelimiters = "\r\n\"\'=";
2355 0 : const size_t fieldNameLen = strlen(fieldName);
2356 :
2357 : char* result = NULL;
2358 :
2359 0 : char* buffer = NULL;
2360 0 : size_t bufferSize = 0;
2361 :
2362 : while (true) {
2363 : ssize_t lineSize = getline(&buffer, &bufferSize, file);
2364 0 : if (lineSize < 0 || !buffer) {
2365 : /* end of file */
2366 : break;
2367 : }
2368 :
2369 : char* line = buffer;
2370 :
2371 : /* trim trailing delimiters */
2372 0 : while (lineSize >= 1 && strchr(kDelimiters, line[lineSize - 1]) != NULL) {
2373 0 : line[lineSize - 1] = '\0';
2374 0 : --lineSize;
2375 : }
2376 :
2377 : /* check fieldName */
2378 0 : if (strncmp(line, fieldName, fieldNameLen) == 0 &&
2379 0 : (size_t)lineSize >= (fieldNameLen + 1) &&
2380 0 : strchr(kDelimiters, line[fieldNameLen]) != NULL) {
2381 : /* trim fieldName */
2382 : line += fieldNameLen;
2383 :
2384 : /* trim delimiter */
2385 0 : ++line;
2386 :
2387 : /* trim leading delimiters */
2388 0 : while (*line != '\0' && strchr(kDelimiters, *line) != NULL) {
2389 0 : ++line;
2390 : --lineSize;
2391 : }
2392 :
2393 0 : result = strdup(line);
2394 0 : break;
2395 : }
2396 : }
2397 :
2398 0 : free(buffer);
2399 :
2400 0 : return result;
2401 : }
2402 :
2403 1 : int dlt_daemon_local_ecu_version_init(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
2404 : {
2405 : FILE *f = NULL;
2406 :
2407 1 : PRINT_FUNCTION_VERBOSE(verbose);
2408 :
2409 : /* By default, version string is null. */
2410 1 : daemon->ECUVersionString = NULL;
2411 :
2412 : /* Open the file. Bail out if error occurs */
2413 1 : f = fopen(daemon_local->flags.pathToECUSoftwareVersion, "r");
2414 :
2415 1 : if (f == NULL) {
2416 : /* Error level notice, because this might be deliberate choice */
2417 1 : dlt_log(LOG_NOTICE, "Failed to open ECU Software version file.\n");
2418 1 : return -1;
2419 : }
2420 :
2421 0 : if (daemon_local->flags.ecuSoftwareVersionFileField[0] != '\0') {
2422 0 : daemon->ECUVersionString = file_read_field(f, daemon_local->flags.ecuSoftwareVersionFileField);
2423 : } else {
2424 0 : daemon->ECUVersionString = file_read_everything(f, DLT_DAEMON_TEXTBUFSIZE);
2425 : }
2426 :
2427 0 : fclose(f);
2428 :
2429 0 : return (daemon->ECUVersionString != NULL) ? 0 : -1;
2430 : }
2431 :
2432 1 : void dlt_daemon_local_cleanup(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
2433 : {
2434 1 : PRINT_FUNCTION_VERBOSE(verbose);
2435 :
2436 1 : if ((daemon == 0) || (daemon_local == 0)) {
2437 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_local_cleanup()\n");
2438 0 : return;
2439 : }
2440 :
2441 : /* Don't receive event anymore */
2442 1 : dlt_event_handler_cleanup_connections(&daemon_local->pEvent);
2443 :
2444 1 : dlt_message_free(&(daemon_local->msg), daemon_local->flags.vflag);
2445 :
2446 : /* free shared memory */
2447 1 : if (daemon_local->flags.offlineTraceDirectory[0])
2448 0 : multiple_files_buffer_free(&(daemon_local->offlineTrace));
2449 :
2450 : /* Ignore result */
2451 1 : dlt_file_free(&(daemon_local->file), daemon_local->flags.vflag);
2452 :
2453 : #ifdef DLT_DAEMON_USE_FIFO_IPC
2454 : /* Try to delete existing pipe, ignore result of unlink() */
2455 1 : unlink(daemon_local->flags.daemonFifoName);
2456 : #else /* DLT_DAEMON_USE_UNIX_SOCKET_IPC */
2457 : /* Try to delete existing pipe, ignore result of unlink() */
2458 : if (unlink(daemon_local->flags.appSockPath) != 0) {
2459 : dlt_vlog(LOG_WARNING, "%s: unlink() failed: %s\n",
2460 : __func__, strerror(errno));
2461 : }
2462 : #endif
2463 :
2464 : #ifdef DLT_SHM_ENABLE
2465 : /* free shared memory */
2466 : dlt_shm_free_server(&(daemon_local->dlt_shm), daemon_local->flags.dltShmName);
2467 : free(daemon_local->recv_buf_shm);
2468 : daemon_local->recv_buf_shm = NULL;
2469 : #endif
2470 :
2471 1 : if (daemon_local->flags.offlineLogstorageMaxDevices > 0) {
2472 : /* disconnect all logstorage devices */
2473 1 : dlt_daemon_logstorage_cleanup(daemon,
2474 : daemon_local,
2475 : daemon_local->flags.vflag);
2476 :
2477 1 : free(daemon->storage_handle);
2478 : }
2479 :
2480 1 : if (daemon->ECUVersionString != NULL)
2481 1 : free(daemon->ECUVersionString);
2482 :
2483 1 : if (unlink(daemon_local->flags.ctrlSockPath) != 0) {
2484 0 : dlt_vlog(LOG_WARNING, "%s: unlink() failed: %s\n",
2485 0 : __func__, strerror(errno));
2486 : }
2487 :
2488 : /* free IP list */
2489 1 : free(daemon_local->flags.ipNodes);
2490 : }
2491 :
2492 0 : void dlt_daemon_exit_trigger()
2493 : {
2494 : /* stop event loop */
2495 0 : g_exit = -1;
2496 :
2497 : #ifdef DLT_DAEMON_USE_FIFO_IPC
2498 0 : char tmp[DLT_PATH_MAX] = { 0 };
2499 :
2500 : ssize_t n;
2501 0 : n = snprintf(tmp, DLT_PATH_MAX, "%s/dlt", dltFifoBaseDir);
2502 0 : if (n < 0 || (size_t)n > DLT_PATH_MAX) {
2503 0 : dlt_vlog(LOG_WARNING, "%s: snprintf truncation/error(%ld) %s\n",
2504 : __func__, n, tmp);
2505 : }
2506 :
2507 0 : (void)unlink(tmp);
2508 : #endif
2509 :
2510 : #ifdef __QNX__
2511 : dlt_daemon_cleanup_timers();
2512 : #endif
2513 :
2514 0 : }
2515 :
2516 0 : void dlt_daemon_signal_handler(int sig)
2517 : {
2518 0 : g_signo = sig;
2519 :
2520 0 : switch (sig) {
2521 0 : case SIGHUP:
2522 : case SIGTERM:
2523 : case SIGINT:
2524 : case SIGQUIT:
2525 : {
2526 : /* finalize the server */
2527 0 : dlt_vlog(LOG_NOTICE, "Exiting DLT daemon due to signal: %s\n",
2528 : strsignal(sig));
2529 0 : dlt_daemon_exit_trigger();
2530 0 : break;
2531 : }
2532 : default:
2533 : {
2534 : /* This case should never happen! */
2535 : break;
2536 : }
2537 : } /* switch */
2538 :
2539 0 : } /* dlt_daemon_signal_handler() */
2540 :
2541 : #ifdef __QNX__
2542 : void dlt_daemon_cleanup_timers()
2543 : {
2544 : int i = 0;
2545 : while (i < DLT_TIMER_UNKNOWN) {
2546 : /* Remove FIFO of every timer and kill timer thread */
2547 : if (0 != timer_threads[i]) {
2548 : pthread_kill(timer_threads[i], SIGUSR1);
2549 : pthread_join(timer_threads[i], NULL);
2550 : timer_threads[i] = 0;
2551 :
2552 : close_pipes(dlt_timer_pipes[i]);
2553 :
2554 : /* Free data of every timer */
2555 : if (NULL != timer_data[i]) {
2556 : free(timer_data[i]);
2557 : timer_data[i] = NULL;
2558 : }
2559 : }
2560 : i++;
2561 : }
2562 : }
2563 : #endif
2564 :
2565 0 : void dlt_daemon_daemonize(int verbose)
2566 : {
2567 : int i;
2568 : int fd;
2569 :
2570 0 : PRINT_FUNCTION_VERBOSE(verbose);
2571 :
2572 0 : dlt_log(LOG_NOTICE, "Daemon mode\n");
2573 :
2574 : /* Daemonize */
2575 0 : i = fork();
2576 :
2577 0 : if (i < 0) {
2578 0 : dlt_log(LOG_CRIT, "Unable to fork(), exiting DLT daemon\n");
2579 0 : exit(-1); /* fork error */
2580 : }
2581 :
2582 0 : if (i > 0)
2583 0 : exit(0); /* parent exits */
2584 :
2585 : /* child (daemon) continues */
2586 :
2587 : /* Process independency */
2588 :
2589 : /* obtain a new process group */
2590 0 : if (setsid() == -1) {
2591 0 : dlt_log(LOG_CRIT, "setsid() failed, exiting DLT daemon\n");
2592 0 : exit(-1); /* fork error */
2593 : }
2594 :
2595 : /* Open standard descriptors stdin, stdout, stderr */
2596 : fd = open("/dev/null", O_RDWR);
2597 :
2598 0 : if (fd != -1) {
2599 : /* Redirect STDOUT to /dev/null */
2600 0 : if (dup2(fd, STDOUT_FILENO) < 0)
2601 0 : dlt_vlog(LOG_WARNING, "Failed to direct stdout to /dev/null. Error: %s\n", strerror(errno));
2602 :
2603 : /* Redirect STDERR to /dev/null */
2604 0 : if (dup2(fd, STDERR_FILENO) < 0)
2605 0 : dlt_vlog(LOG_WARNING, "Failed to direct stderr to /dev/null. Error: %s\n", strerror(errno));
2606 :
2607 0 : close(fd);
2608 : }
2609 : else {
2610 0 : dlt_log(LOG_CRIT, "Error opening /dev/null, exiting DLT daemon\n");
2611 0 : exit(-1); /* fork error */
2612 : }
2613 :
2614 : /* Set umask */
2615 0 : umask(DLT_DAEMON_UMASK);
2616 :
2617 : /* Change to root directory */
2618 0 : if (chdir("/") < 0)
2619 0 : dlt_log(LOG_WARNING, "Failed to chdir to root\n");
2620 :
2621 : /* Catch signals */
2622 0 : signal(SIGCHLD, SIG_IGN); /* ignore child */
2623 0 : signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
2624 0 : signal(SIGTTOU, SIG_IGN);
2625 0 : signal(SIGTTIN, SIG_IGN);
2626 :
2627 0 : } /* dlt_daemon_daemonize() */
2628 :
2629 : /* This function logs str to the configured output sink (socket, serial, offline trace).
2630 : * To avoid recursion this function must be called only from DLT highlevel functions.
2631 : * E. g. calling it to output a failure when the open of the offline trace file fails
2632 : * would cause an endless loop because dlt_daemon_log_internal() would itself again try
2633 : * to open the offline trace file.
2634 : * This is a dlt-daemon only function. The libdlt has no equivalent function available. */
2635 : /* TODO: How to call when it doesn't has version info */
2636 3 : int dlt_daemon_log_internal(DltDaemon *daemon, DltDaemonLocal *daemon_local,
2637 : char *str, DltLogLevelType level,
2638 : const char *app_id, const char *ctx_id, int verbose)
2639 : {
2640 : static uint8_t uiMsgCount = 0;
2641 3 : if (daemon->daemon_version == 2) {
2642 : DltMessageV2 msg;
2643 0 : if (dlt_message_init_v2(&msg, 0) == DLT_RETURN_ERROR)
2644 0 : return DLT_RETURN_ERROR;
2645 :
2646 : uint32_t uiType;
2647 : uint16_t uiSize;
2648 : char ecid_buf[DLT_V2_ID_SIZE];
2649 : char apid_buf[DLT_V2_ID_SIZE];
2650 : char ctid_buf[DLT_V2_ID_SIZE];
2651 :
2652 : DltHtyp2ContentType msgcontent = DLT_VERBOSE_DATA_MSG;
2653 :
2654 0 : PRINT_FUNCTION_VERBOSE(verbose);
2655 :
2656 0 : msg.storageheadersizev2 = (uint32_t)(STORAGE_HEADER_V2_FIXED_SIZE + strlen(DLT_DAEMON_ECU_ID));
2657 0 : msg.baseheadersizev2 = BASE_HEADER_V2_FIXED_SIZE;
2658 0 : msg.baseheaderextrasizev2 = (int32_t)dlt_message_get_extraparameters_size_v2(msgcontent);
2659 : /* Ecu Id, App Id, Ctx Id and Session Id*/
2660 0 : msg.extendedheadersizev2 = (uint32_t)(1 + strlen(DLT_DAEMON_ECU_ID) + 1 + strlen(app_id) + 1 + strlen(ctx_id) + sizeof(uint32_t));
2661 :
2662 0 : msg.headersizev2 = (int32_t) (msg.storageheadersizev2 +
2663 0 : msg.baseheadersizev2 +
2664 0 : msg.baseheaderextrasizev2 +
2665 : msg.extendedheadersizev2);
2666 :
2667 0 : msg.headerbufferv2 = (uint8_t*)malloc((size_t)msg.headersizev2);
2668 :
2669 0 : if (dlt_set_storageheader_v2(&(msg.storageheaderv2), (uint8_t)strlen(DLT_DAEMON_ECU_ID), DLT_DAEMON_ECU_ID) != DLT_RETURN_OK)
2670 : return DLT_RETURN_ERROR;
2671 :
2672 0 : if (dlt_message_set_storageparameters_v2(&msg, 0) != DLT_RETURN_OK)
2673 : return DLT_RETURN_ERROR;
2674 :
2675 : /* Set standardheader */
2676 0 : msg.baseheaderv2 = (DltBaseHeaderV2 *)(msg.headerbufferv2 + msg.storageheadersizev2);
2677 : msg.baseheaderv2->htyp2 = DLT_HTYP2_PROTOCOL_VERSION2;
2678 : msg.baseheaderv2->htyp2 |= msgcontent;
2679 : msg.baseheaderv2->htyp2 |= DLT_HTYP2_WEID;
2680 : msg.baseheaderv2->htyp2 |= DLT_HTYP2_WACID;
2681 0 : msg.baseheaderv2->htyp2 |= DLT_HTYP2_WSID;
2682 :
2683 0 : msg.baseheaderv2->mcnt = uiMsgCount++;
2684 :
2685 : /* Fill base header conditional parameters */
2686 0 : msg.headerextrav2.msin = (uint8_t)(DLT_MSIN_VERB | (DLT_TYPE_LOG << DLT_MSIN_MSTP_SHIFT) |
2687 : ((level << DLT_MSIN_MTIN_SHIFT) & DLT_MSIN_MTIN));
2688 0 : msg.headerextrav2.noar = 1; /* number of arguments */
2689 : memset(msg.headerextrav2.seconds, 0, 5);
2690 0 : msg.headerextrav2.nanoseconds = 0;
2691 :
2692 : #if defined (__WIN32__) || defined(_MSC_VER)
2693 : time_t t = time(NULL);
2694 : if (t==-1){
2695 : uint32_t tcnt = (uint32_t)(GetTickCount()); /* GetTickCount() in 10 ms resolution */
2696 : tcnt_seconds = tcnt / 100;
2697 : tcnt_ns = (tcnt - (tcnt*100)) * 10000;
2698 : msg.headerextrav2.seconds[0]=(tcnt_seconds >> 32) & 0xFF;
2699 : msg.headerextrav2.seconds[1]=(uint8_t)((tcnt_seconds >> 24) & 0xFF);
2700 : msg.headerextrav2.seconds[2]=(uint8_t)((tcnt_seconds >> 16) & 0xFF);
2701 : msg.headerextrav2.seconds[3]=(uint8_t)((tcnt_seconds >> 8) & 0xFF);
2702 : msg.headerextrav2.seconds[4]= (uint8_t)(tcnt_seconds & 0xFF);
2703 : if (ts.tv_nsec < 0x3B9ACA00) {
2704 : msg.headerextrav2.nanoseconds = tcnt_ns;
2705 : }
2706 : }else{
2707 : msg.headerextrav2.seconds[0]=(uint8_t)((t >> 32) & 0xFF);
2708 : msg.headerextrav2.seconds[1]=(uint8_t)((t >> 24) & 0xFF);
2709 : msg.headerextrav2.seconds[2]=(uint8_t)((t >> 16) & 0xFF);
2710 : msg.headerextrav2.seconds[3]=(uint8_t)((t >> 8) & 0xFF);
2711 : msg.headerextrav2.seconds[4]= (uint8_t)(t & 0xFF);
2712 : msg.headerextrav2.nanoseconds |= 0x8000;
2713 : }
2714 : #else
2715 : struct timespec ts;
2716 0 : if(clock_gettime(CLOCK_REALTIME, &ts) == 0) {
2717 0 : msg.headerextrav2.seconds[0]=(uint8_t)((ts.tv_sec >> 32) & 0xFF);
2718 0 : msg.headerextrav2.seconds[1]=(uint8_t)((ts.tv_sec >> 24) & 0xFF);
2719 0 : msg.headerextrav2.seconds[2]=(uint8_t)((ts.tv_sec >> 16) & 0xFF);
2720 0 : msg.headerextrav2.seconds[3]=(uint8_t)((ts.tv_sec >> 8) & 0xFF);
2721 0 : msg.headerextrav2.seconds[4]= (uint8_t)(ts.tv_sec & 0xFF);
2722 0 : if (ts.tv_nsec < 0x3B9ACA00) {
2723 0 : msg.headerextrav2.nanoseconds = (uint32_t) ts.tv_nsec; /* value is long */
2724 : }
2725 0 : }else if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
2726 0 : msg.headerextrav2.seconds[0]=(uint8_t)((ts.tv_sec >> 32) & 0xFF);
2727 0 : msg.headerextrav2.seconds[1]=(uint8_t)((ts.tv_sec >> 24) & 0xFF);
2728 0 : msg.headerextrav2.seconds[2]=(uint8_t)((ts.tv_sec >> 16) & 0xFF);
2729 0 : msg.headerextrav2.seconds[3]=(uint8_t)((ts.tv_sec >> 8) & 0xFF);
2730 0 : msg.headerextrav2.seconds[4]= (uint8_t)(ts.tv_sec & 0xFF);
2731 0 : if (ts.tv_nsec < 0x3B9ACA00) {
2732 0 : msg.headerextrav2.nanoseconds = (uint32_t) ts.tv_nsec; /* value is long */
2733 : }
2734 0 : msg.headerextrav2.nanoseconds |= 0x8000;
2735 : }
2736 : #endif
2737 :
2738 : /* Copy header extra parameters to headerbuffer */
2739 0 : if (dlt_message_set_extraparameters_v2(&msg, 0) == DLT_RETURN_ERROR) {
2740 0 : dlt_message_free_v2(&msg, 0);
2741 0 : return DLT_RETURN_ERROR;
2742 : }
2743 :
2744 : /* Fill out extended header */
2745 0 : if (DLT_IS_HTYP2_WEID(msg.baseheaderv2->htyp2)) {
2746 0 : msg.extendedheaderv2.ecidlen = (uint8_t)strlen(DLT_DAEMON_ECU_ID);
2747 : if (msg.extendedheaderv2.ecidlen > 0) {
2748 0 : dlt_set_id_v2(ecid_buf, DLT_DAEMON_ECU_ID, msg.extendedheaderv2.ecidlen);
2749 0 : msg.extendedheaderv2.ecid = ecid_buf;
2750 : } else {
2751 : msg.extendedheaderv2.ecid = NULL;
2752 : }
2753 : }
2754 :
2755 0 : if (DLT_IS_HTYP2_WACID(msg.baseheaderv2->htyp2)) {
2756 0 : msg.extendedheaderv2.apidlen = (uint8_t)strlen(app_id);
2757 0 : if (msg.extendedheaderv2.apidlen > 0) {
2758 0 : dlt_set_id_v2(apid_buf, app_id, msg.extendedheaderv2.apidlen);
2759 0 : msg.extendedheaderv2.apid = apid_buf;
2760 : } else {
2761 0 : msg.extendedheaderv2.apid = NULL;
2762 : }
2763 :
2764 0 : msg.extendedheaderv2.ctidlen = (uint8_t)strlen(ctx_id);
2765 0 : if (msg.extendedheaderv2.ctidlen > 0) {
2766 0 : dlt_set_id_v2(ctid_buf, ctx_id, msg.extendedheaderv2.ctidlen);
2767 0 : msg.extendedheaderv2.ctid = ctid_buf;
2768 : } else {
2769 0 : msg.extendedheaderv2.ctid = NULL;
2770 : }
2771 : }
2772 :
2773 0 : if (DLT_IS_HTYP2_WSID(msg.baseheaderv2->htyp2)) {
2774 0 : msg.extendedheaderv2.seid = (uint32_t)getpid();
2775 : }
2776 :
2777 0 : if (dlt_message_set_extendedparameters_v2(&msg) != DLT_RETURN_OK) {
2778 0 : dlt_message_free_v2(&msg, 0);
2779 0 : return DLT_RETURN_ERROR;
2780 : }
2781 :
2782 : /* Set payload data... */
2783 0 : uiType = DLT_TYPE_INFO_STRG;
2784 0 : uiSize = (uint16_t) (strlen(str) + 1);
2785 0 : msg.datasize = (int32_t) (sizeof(uint32_t) + sizeof(uint16_t) + uiSize);
2786 :
2787 0 : msg.databuffer = (uint8_t *)malloc((size_t) msg.datasize);
2788 0 : msg.databuffersize = msg.datasize;
2789 :
2790 0 : if (msg.databuffer == 0) {
2791 0 : dlt_log(LOG_WARNING, "Can't allocate buffer for get log info message\n");
2792 0 : return -1;
2793 : }
2794 :
2795 0 : msg.datasize = 0;
2796 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), (uint8_t *)(&uiType), sizeof(uint32_t));
2797 0 : msg.datasize += (int32_t) sizeof(uint32_t);
2798 0 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), (uint8_t *)(&uiSize), sizeof(uint16_t));
2799 0 : msg.datasize += (int32_t) sizeof(uint16_t);
2800 0 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), str, uiSize);
2801 0 : msg.datasize += uiSize;
2802 :
2803 : /* Calc length */
2804 0 : msg.baseheaderv2->len = (uint16_t)(msg.headersizev2 - (int32_t)msg.storageheadersizev2 + msg.datasize);
2805 :
2806 0 : dlt_daemon_client_send_v2(DLT_DAEMON_SEND_TO_ALL, daemon,daemon_local,
2807 : msg.headerbufferv2, (int)msg.storageheadersizev2,
2808 0 : msg.headerbufferv2 + msg.storageheadersizev2,
2809 0 : (int) (msg.headersizev2 - (int32_t)msg.storageheadersizev2),
2810 0 : msg.databuffer, (int) msg.datasize, verbose);
2811 :
2812 0 : dlt_message_free_v2(&msg, 0);
2813 3 : } else if (daemon->daemon_version == 1) {
2814 3 : DltMessage msg = { 0 };
2815 :
2816 : DltStandardHeaderExtra *pStandardExtra = NULL;
2817 : uint32_t uiType;
2818 : uint16_t uiSize;
2819 : uint32_t uiExtraSize;
2820 :
2821 3 : PRINT_FUNCTION_VERBOSE(verbose);
2822 :
2823 : /* Set storageheader */
2824 3 : msg.storageheader = (DltStorageHeader *)(msg.headerbuffer);
2825 3 : dlt_set_storageheader(msg.storageheader, daemon->ecuid);
2826 :
2827 : /* Set standardheader */
2828 3 : msg.standardheader = (DltStandardHeader *)(msg.headerbuffer + sizeof(DltStorageHeader));
2829 3 : msg.standardheader->htyp = DLT_HTYP_UEH | DLT_HTYP_WEID | DLT_HTYP_WSID | DLT_HTYP_WTMS |
2830 : DLT_HTYP_PROTOCOL_VERSION1;
2831 3 : msg.standardheader->mcnt = uiMsgCount++;
2832 :
2833 : uiExtraSize = (uint32_t) (DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp) +
2834 : (DLT_IS_HTYP_UEH(msg.standardheader->htyp) ? sizeof(DltExtendedHeader) : 0));
2835 3 : msg.headersize = (int32_t)((size_t)sizeof(DltStorageHeader) + (size_t)sizeof(DltStandardHeader) + (size_t)uiExtraSize);
2836 :
2837 : /* Set extraheader */
2838 : pStandardExtra =
2839 : (DltStandardHeaderExtra *)(msg.headerbuffer + sizeof(DltStorageHeader) + sizeof(DltStandardHeader));
2840 3 : dlt_set_id(pStandardExtra->ecu, daemon->ecuid);
2841 3 : pStandardExtra->tmsp = DLT_HTOBE_32(dlt_uptime());
2842 3 : pStandardExtra->seid = DLT_HTOBE_32((uint32_t)getpid());
2843 :
2844 : /* Set extendedheader */
2845 3 : msg.extendedheader =
2846 3 : (DltExtendedHeader *)(msg.headerbuffer + sizeof(DltStorageHeader) + sizeof(DltStandardHeader) +
2847 3 : DLT_STANDARD_HEADER_EXTRA_SIZE(msg.standardheader->htyp));
2848 3 : msg.extendedheader->msin = (uint8_t)(DLT_MSIN_VERB | (DLT_TYPE_LOG << DLT_MSIN_MSTP_SHIFT) |
2849 : ((level << DLT_MSIN_MTIN_SHIFT) & DLT_MSIN_MTIN));
2850 3 : msg.extendedheader->noar = 1;
2851 3 : dlt_set_id(msg.extendedheader->apid, app_id);
2852 3 : dlt_set_id(msg.extendedheader->ctid, ctx_id);
2853 :
2854 : /* Set payload data... */
2855 3 : uiType = DLT_TYPE_INFO_STRG;
2856 3 : uiSize = (uint16_t) (strlen(str) + 1);
2857 3 : msg.datasize = (int32_t)((size_t)sizeof(uint32_t) + (size_t)sizeof(uint16_t) + (size_t)uiSize);
2858 :
2859 3 : msg.databuffer = (uint8_t *)malloc((size_t) msg.datasize);
2860 3 : msg.databuffersize = (int32_t)msg.datasize;
2861 :
2862 3 : if (msg.databuffer == 0) {
2863 0 : dlt_log(LOG_WARNING, "Can't allocate buffer for get log info message\n");
2864 0 : return -1;
2865 : }
2866 :
2867 3 : msg.datasize = 0;
2868 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), (uint8_t *)(&uiType), sizeof(uint32_t));
2869 3 : msg.datasize += (int32_t)sizeof(uint32_t);
2870 3 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), (uint8_t *)(&uiSize), sizeof(uint16_t));
2871 3 : msg.datasize += (int32_t)sizeof(uint16_t);
2872 3 : memcpy((uint8_t *)(msg.databuffer + msg.datasize), str, uiSize);
2873 3 : msg.datasize += (int32_t)uiSize;
2874 :
2875 : /* Calc length */
2876 3 : msg.standardheader->len = DLT_HTOBE_16((size_t)msg.headersize - sizeof(DltStorageHeader) + (size_t)msg.datasize);
2877 :
2878 3 : dlt_daemon_client_send(DLT_DAEMON_SEND_TO_ALL, daemon,daemon_local,
2879 : msg.headerbuffer, sizeof(DltStorageHeader),
2880 : msg.headerbuffer + sizeof(DltStorageHeader),
2881 : (size_t)(msg.headersize - (int32_t)sizeof(DltStorageHeader)),
2882 3 : msg.databuffer, (size_t)msg.datasize, verbose);
2883 :
2884 3 : free(msg.databuffer);
2885 : }else {
2886 : return -1;
2887 : }
2888 :
2889 : return 0;
2890 : }
2891 :
2892 0 : int dlt_daemon_check_numeric_setting(char *token,
2893 : char *value,
2894 : unsigned long *data)
2895 0 : {
2896 0 : char value_check[value_length];
2897 0 : value_check[0] = 0;
2898 0 : sscanf(value, "%lu%s", data, value_check);
2899 0 : if (value_check[0] || !isdigit(value[0])) {
2900 0 : fprintf(stderr, "Invalid input [%s] detected in option %s\n",
2901 : value,
2902 : token);
2903 0 : return -1;
2904 : }
2905 : return 0;
2906 : }
2907 :
2908 0 : int dlt_daemon_process_client_connect(DltDaemon *daemon,
2909 : DltDaemonLocal *daemon_local,
2910 : DltReceiver *receiver,
2911 : int verbose)
2912 : {
2913 : socklen_t cli_size;
2914 : struct sockaddr_un cli;
2915 :
2916 : int in_sock = -1;
2917 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
2918 :
2919 0 : PRINT_FUNCTION_VERBOSE(verbose);
2920 :
2921 0 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
2922 0 : dlt_log(LOG_ERR,
2923 : "Invalid function parameters used for function "
2924 : "dlt_daemon_process_client_connect()\n");
2925 0 : return -1;
2926 : }
2927 :
2928 : /* event from TCP server socket, new connection */
2929 0 : cli_size = sizeof(cli);
2930 :
2931 0 : if ((in_sock = accept(receiver->fd, (struct sockaddr *)&cli, &cli_size)) < 0) {
2932 0 : if (errno == ECONNABORTED) // Caused by nmap -v -p 3490 -Pn <IP of dlt-daemon>
2933 : return 0;
2934 0 : dlt_vlog(LOG_ERR, "accept() for socket %d failed: %s\n", receiver->fd, strerror(errno));
2935 0 : return -1;
2936 : }
2937 :
2938 0 : if (daemon->daemon_version == 2) {
2939 : /* check if file file descriptor was already used, and make it invalid if it
2940 : * is reused. */
2941 : /* This prevents sending messages to wrong file descriptor */
2942 0 : dlt_daemon_applications_invalidate_fd_v2(daemon, daemon->ecuid, in_sock, verbose);
2943 0 : dlt_daemon_contexts_invalidate_fd_v2(daemon, daemon->ecuid, in_sock, verbose);
2944 :
2945 : /* Set socket timeout in reception */
2946 : struct timeval timeout_send;
2947 0 : timeout_send.tv_sec = daemon_local->timeoutOnSend;
2948 0 : timeout_send.tv_usec = 0;
2949 :
2950 0 : if (setsockopt (in_sock,
2951 : SOL_SOCKET,
2952 : SO_SNDTIMEO,
2953 : (char *)&timeout_send,
2954 : sizeof(timeout_send)) < 0)
2955 0 : dlt_log(LOG_WARNING, "setsockopt failed\n");
2956 :
2957 0 : if (dlt_connection_create(daemon_local,
2958 : &daemon_local->pEvent,
2959 : in_sock,
2960 : POLLIN,
2961 : DLT_CONNECTION_CLIENT_MSG_TCP)) {
2962 0 : dlt_log(LOG_ERR, "Failed to register new client. \n");
2963 0 : close(in_sock);
2964 0 : return -1;
2965 : }
2966 :
2967 : /* send connection info about connected */
2968 0 : dlt_daemon_control_message_connection_info_v2(in_sock,
2969 : daemon,
2970 : daemon_local,
2971 : DLT_CONNECTION_STATUS_CONNECTED,
2972 : "",
2973 : verbose);
2974 :
2975 : /* send ecu version string */
2976 0 : if (daemon_local->flags.sendECUSoftwareVersion > 0) {
2977 : if (daemon_local->flags.sendECUSoftwareVersion > 0)
2978 0 : dlt_daemon_control_get_software_version_v2(DLT_DAEMON_SEND_TO_ALL,
2979 : daemon,
2980 : daemon_local,
2981 : daemon_local->flags.vflag);
2982 :
2983 0 : if (daemon_local->flags.sendTimezone > 0)
2984 0 : dlt_daemon_control_message_timezone_v2(DLT_DAEMON_SEND_TO_ALL,
2985 : daemon,
2986 : daemon_local,
2987 : daemon_local->flags.vflag);
2988 : }
2989 :
2990 0 : snprintf(local_str, DLT_DAEMON_TEXTBUFSIZE,
2991 : "New client connection #%d established, Total Clients : %d",
2992 : in_sock, daemon_local->client_connections);
2993 :
2994 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str, DLT_LOG_INFO,
2995 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
2996 : daemon_local->flags.vflag);
2997 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
2998 :
2999 0 : if (daemon_local->client_connections == 1) {
3000 0 : if (daemon_local->flags.vflag)
3001 0 : dlt_log(LOG_DEBUG, "Send ring-buffer to client\n");
3002 :
3003 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_BUFFER);
3004 0 : if (dlt_daemon_send_ringbuffer_to_client_v2(daemon, daemon_local, verbose) == -1) {
3005 0 : dlt_log(LOG_WARNING, "Can't send contents of ringbuffer to clients\n");
3006 0 : close(in_sock);
3007 : in_sock = -1;
3008 0 : return -1;
3009 : }
3010 :
3011 : /* send new log state to all applications */
3012 0 : daemon->connectionState = 1;
3013 :
3014 0 : dlt_daemon_user_send_all_log_state_v2(daemon, verbose);
3015 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
3016 : /* Reset number of received bytes from FIFO */
3017 : daemon->bytes_recv = 0;
3018 : #endif
3019 : }
3020 0 : } else if (daemon->daemon_version == 1) {
3021 : /* check if file file descriptor was already used, and make it invalid if it
3022 : * is reused. */
3023 : /* This prevents sending messages to wrong file descriptor */
3024 0 : dlt_daemon_applications_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3025 0 : dlt_daemon_contexts_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3026 :
3027 : /* Set socket timeout in reception */
3028 : struct timeval timeout_send;
3029 0 : timeout_send.tv_sec = daemon_local->timeoutOnSend;
3030 0 : timeout_send.tv_usec = 0;
3031 :
3032 0 : if (setsockopt (in_sock,
3033 : SOL_SOCKET,
3034 : SO_SNDTIMEO,
3035 : (char *)&timeout_send,
3036 : sizeof(timeout_send)) < 0)
3037 0 : dlt_log(LOG_WARNING, "setsockopt failed\n");
3038 :
3039 0 : if (dlt_connection_create(daemon_local,
3040 : &daemon_local->pEvent,
3041 : in_sock,
3042 : POLLIN,
3043 : DLT_CONNECTION_CLIENT_MSG_TCP)) {
3044 0 : dlt_log(LOG_ERR, "Failed to register new client. \n");
3045 0 : close(in_sock);
3046 0 : return -1;
3047 : }
3048 :
3049 : /* send connection info about connected */
3050 0 : dlt_daemon_control_message_connection_info(in_sock,
3051 : daemon,
3052 : daemon_local,
3053 : DLT_CONNECTION_STATUS_CONNECTED,
3054 : "",
3055 : verbose);
3056 :
3057 : /* send ecu version string */
3058 0 : if (daemon_local->flags.sendECUSoftwareVersion > 0) {
3059 : if (daemon_local->flags.sendECUSoftwareVersion > 0)
3060 0 : dlt_daemon_control_get_software_version(DLT_DAEMON_SEND_TO_ALL,
3061 : daemon,
3062 : daemon_local,
3063 : daemon_local->flags.vflag);
3064 :
3065 0 : if (daemon_local->flags.sendTimezone > 0)
3066 0 : dlt_daemon_control_message_timezone(DLT_DAEMON_SEND_TO_ALL,
3067 : daemon,
3068 : daemon_local,
3069 : daemon_local->flags.vflag);
3070 : }
3071 :
3072 0 : snprintf(local_str, DLT_DAEMON_TEXTBUFSIZE,
3073 : "New client connection #%d established, Total Clients : %d",
3074 : in_sock, daemon_local->client_connections);
3075 :
3076 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str, DLT_LOG_INFO,
3077 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
3078 : daemon_local->flags.vflag);
3079 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
3080 :
3081 0 : if (daemon_local->client_connections == 1) {
3082 0 : if (daemon_local->flags.vflag)
3083 0 : dlt_log(LOG_DEBUG, "Send ring-buffer to client\n");
3084 :
3085 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_BUFFER);
3086 :
3087 0 : if (dlt_daemon_send_ringbuffer_to_client(daemon, daemon_local, verbose) == -1) {
3088 0 : dlt_log(LOG_WARNING, "Can't send contents of ringbuffer to clients\n");
3089 0 : close(in_sock);
3090 : in_sock = -1;
3091 0 : return -1;
3092 : }
3093 :
3094 : /* send new log state to all applications */
3095 0 : daemon->connectionState = 1;
3096 0 : dlt_daemon_user_send_all_log_state(daemon, verbose);
3097 :
3098 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
3099 : /* Reset number of received bytes from FIFO */
3100 : daemon->bytes_recv = 0;
3101 : #endif
3102 : }
3103 : }else {
3104 : return -1;
3105 : }
3106 : return 0;
3107 : }
3108 :
3109 : /**
3110 : * Create a sanitized copy of the message for control processing
3111 : * This breaks the taint chain by creating a new clean message structure
3112 : * Uses allow list validation for all path-containing messages
3113 : * @param tainted_msg The tainted message from receiver
3114 : * @param secure_msg The secure message to populate (output)
3115 : * @return 0 on success, -1 on validation failure
3116 : */
3117 1 : static int dlt_daemon_create_secure_message(DltMessage *tainted_msg, DltMessage *secure_msg)
3118 : {
3119 : uint32_t service_id;
3120 : DltServiceOfflineLogstorage *tainted_req;
3121 : DltServiceOfflineLogstorage *secure_req;
3122 : char secure_mount_point[DLT_MOUNT_PATH_MAX];
3123 : size_t i;
3124 :
3125 1 : if ((tainted_msg == NULL) || (secure_msg == NULL))
3126 : return -1;
3127 :
3128 : /* Initialize secure message with clean data */
3129 : memset(secure_msg, 0, sizeof(DltMessage));
3130 :
3131 : /* Copy safe, non-tainted fields from message structure */
3132 1 : secure_msg->headersize = tainted_msg->headersize;
3133 1 : secure_msg->datasize = tainted_msg->datasize;
3134 1 : secure_msg->found_serialheader = tainted_msg->found_serialheader;
3135 1 : secure_msg->resync_offset = tainted_msg->resync_offset;
3136 :
3137 : /* Copy header buffers (these don't contain user-controlled paths) */
3138 1 : if (tainted_msg->headersize > 0 && tainted_msg->headersize < (int32_t)sizeof(secure_msg->headerbuffer)) {
3139 39 : for (i = 0; i < (size_t)tainted_msg->headersize; i++) {
3140 38 : secure_msg->headerbuffer[i] = tainted_msg->headerbuffer[i];
3141 : }
3142 : }
3143 :
3144 : /* Set up header pointers */
3145 1 : secure_msg->storageheader = (DltStorageHeader *)(secure_msg->headerbuffer);
3146 1 : secure_msg->standardheader = (DltStandardHeader *)(secure_msg->headerbuffer + sizeof(DltStorageHeader));
3147 : if (DLT_IS_HTYP_UEH(secure_msg->standardheader->htyp)) {
3148 : secure_msg->extendedheader = (DltExtendedHeader *)(secure_msg->headerbuffer +
3149 : sizeof(DltStorageHeader) +
3150 : sizeof(DltStandardHeader) +
3151 : DLT_STANDARD_HEADER_EXTRA_SIZE(secure_msg->standardheader->htyp));
3152 : }
3153 :
3154 : /* Point to the same databuffer initially */
3155 1 : secure_msg->databuffer = tainted_msg->databuffer;
3156 1 : secure_msg->databuffersize = tainted_msg->databuffersize;
3157 :
3158 1 : if (tainted_msg->databuffer == NULL || tainted_msg->datasize < (int32_t)sizeof(uint32_t))
3159 : return 0;
3160 :
3161 : /* Get service ID */
3162 1 : service_id = DLT_ENDIAN_GET_32(tainted_msg->standardheader->htyp,
3163 : *((uint32_t *)(tainted_msg->databuffer)));
3164 :
3165 : /* Sanitize logstorage messages with path validation */
3166 1 : if (service_id == DLT_SERVICE_ID_OFFLINE_LOGSTORAGE) {
3167 : /* Cast to logstorage request structure */
3168 : tainted_req = (DltServiceOfflineLogstorage *)(tainted_msg->databuffer);
3169 : if (tainted_req == NULL)
3170 : return -1;
3171 :
3172 : /* Ensure null-termination */
3173 1 : tainted_req->mount_point[DLT_MOUNT_PATH_MAX - 1] = '\0';
3174 :
3175 : /* Get path length */
3176 1 : size_t path_len = strnlen(tainted_req->mount_point, DLT_MOUNT_PATH_MAX);
3177 :
3178 : /* Validate basic path requirements */
3179 1 : if (path_len == 0) {
3180 : /* Empty path only allowed for sync all caches operation */
3181 1 : if (tainted_req->connection_type != DLT_OFFLINE_LOGSTORAGE_SYNC_CACHES) {
3182 0 : dlt_vlog(LOG_WARNING, "Rejected logstorage message with empty path\n");
3183 0 : return -1;
3184 : }
3185 : } else {
3186 : /* Path must be absolute (start with /) */
3187 0 : if (tainted_req->mount_point[0] != '/') {
3188 0 : dlt_vlog(LOG_WARNING, "Rejected logstorage message with non-absolute path\n");
3189 0 : return -1;
3190 : }
3191 : }
3192 :
3193 : /* Now sanitize the databuffer */
3194 : secure_req = (DltServiceOfflineLogstorage *)(secure_msg->databuffer);
3195 :
3196 : /* Explicitly sanitize: copy path to secure local buffer using allow list */
3197 : memset(secure_mount_point, 0, sizeof(secure_mount_point));
3198 1 : for (i = 0; i < DLT_MOUNT_PATH_MAX - 1 && tainted_req->mount_point[i] != '\0'; i++) {
3199 : char c = tainted_req->mount_point[i];
3200 : /* Apply allow list - only safe characters allowed */
3201 0 : if ((c >= 'a' && c <= 'z') ||
3202 0 : (c >= 'A' && c <= 'Z') ||
3203 : (c >= '0' && c <= '9') ||
3204 : c == '/' || c == '-' || c == '_' || c == '.') {
3205 0 : secure_mount_point[i] = c;
3206 : } else {
3207 0 : dlt_vlog(LOG_WARNING, "Rejected logstorage message with invalid character in path at position %zu\n", i);
3208 0 : return -1;
3209 : }
3210 : }
3211 1 : secure_mount_point[DLT_MOUNT_PATH_MAX - 1] = '\0';
3212 :
3213 : /* Check for path traversal attempts (defense in depth) */
3214 1 : if (strstr(secure_mount_point, "..") != NULL) {
3215 0 : dlt_vlog(LOG_WARNING, "Rejected logstorage message with path traversal attempt\n");
3216 0 : return -1;
3217 : }
3218 :
3219 : /* Deny consecutive slashes */
3220 1 : if (strstr(secure_mount_point, "//") != NULL) {
3221 0 : dlt_vlog(LOG_WARNING, "Rejected logstorage message with consecutive slashes in path\n");
3222 0 : return -1;
3223 : }
3224 :
3225 : /* Copy secure data to the secure message's databuffer */
3226 1025 : for (i = 0; i < DLT_MOUNT_PATH_MAX; i++) {
3227 1024 : secure_req->mount_point[i] = secure_mount_point[i];
3228 : }
3229 : }
3230 :
3231 : return 0;
3232 : }
3233 :
3234 0 : int dlt_daemon_process_client_messages(DltDaemon *daemon,
3235 : DltDaemonLocal *daemon_local,
3236 : DltReceiver *receiver,
3237 : int verbose)
3238 : {
3239 : int bytes_to_be_removed = 0;
3240 : int must_close_socket = -1;
3241 :
3242 0 : PRINT_FUNCTION_VERBOSE(verbose);
3243 :
3244 0 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3245 0 : dlt_log(LOG_ERR,
3246 : "Invalid function parameters used for function "
3247 : "dlt_daemon_process_client_messages()\n");
3248 0 : return -1;
3249 : }
3250 :
3251 0 : must_close_socket = dlt_receiver_receive(receiver);
3252 :
3253 0 : if (must_close_socket < 0) {
3254 0 : dlt_daemon_close_socket(receiver->fd,
3255 : daemon,
3256 : daemon_local,
3257 : verbose);
3258 0 : return -1;
3259 : }
3260 :
3261 0 : if(daemon->daemon_version == DLTProtocolV2) {
3262 : /* Process all received messages */
3263 0 : while (dlt_message_read_v2(&(daemon_local->msgv2),
3264 0 : (uint8_t *)receiver->buf,
3265 0 : (unsigned int) receiver->bytesRcvd,
3266 : daemon_local->flags.nflag,
3267 0 : daemon_local->flags.vflag) == DLT_MESSAGE_ERROR_OK) {
3268 :
3269 : /* Check for control message */
3270 0 : if ((0 < receiver->fd) &&
3271 0 : DLT_MSG_IS_CONTROL_REQUEST_V2(&(daemon_local->msgv2)))
3272 0 : dlt_daemon_client_process_control_v2(receiver->fd,
3273 : daemon,
3274 : daemon_local,
3275 : &(daemon_local->msgv2),
3276 : daemon_local->flags.vflag);
3277 0 : bytes_to_be_removed = (int) (daemon_local->msgv2.headersizev2 +
3278 0 : daemon_local->msgv2.datasize - (int32_t)daemon_local->msgv2.storageheadersizev2);
3279 :
3280 0 : if (daemon_local->msg.found_serialheader)
3281 0 : bytes_to_be_removed += (int) sizeof(dltSerialHeader);
3282 :
3283 0 : if (daemon_local->msg.resync_offset)
3284 0 : bytes_to_be_removed += daemon_local->msg.resync_offset;
3285 :
3286 0 : if (dlt_receiver_remove(receiver, bytes_to_be_removed) == -1) {
3287 0 : dlt_log(LOG_WARNING,
3288 : "Can't remove bytes from receiver for sockets\n");
3289 0 : return -1;
3290 : }
3291 : } /* while */
3292 0 : } else if (daemon->daemon_version == DLTProtocolV1) {
3293 : /* Process all received messages */
3294 0 : while (dlt_message_read(&(daemon_local->msg),
3295 0 : (uint8_t *)receiver->buf,
3296 0 : (unsigned int) receiver->bytesRcvd,
3297 : daemon_local->flags.nflag,
3298 0 : daemon_local->flags.vflag) == DLT_MESSAGE_ERROR_OK) {
3299 :
3300 : /* Check for control message */
3301 0 : if ((0 < receiver->fd) &&
3302 0 : DLT_MSG_IS_CONTROL_REQUEST(&(daemon_local->msg)))
3303 0 : dlt_daemon_client_process_control(receiver->fd,
3304 : daemon,
3305 : daemon_local,
3306 : &(daemon_local->msg),
3307 : daemon_local->flags.vflag);
3308 :
3309 0 : bytes_to_be_removed = (int)((size_t)daemon_local->msg.headersize +
3310 0 : (size_t)daemon_local->msg.datasize -
3311 : (size_t)sizeof(DltStorageHeader));
3312 :
3313 0 : if (daemon_local->msg.found_serialheader)
3314 : bytes_to_be_removed += (int) sizeof(dltSerialHeader);
3315 :
3316 0 : if (daemon_local->msg.resync_offset)
3317 0 : bytes_to_be_removed += daemon_local->msg.resync_offset;
3318 :
3319 0 : if (dlt_receiver_remove(receiver, bytes_to_be_removed) == -1) {
3320 0 : dlt_log(LOG_WARNING,
3321 : "Can't remove bytes from receiver for sockets\n");
3322 0 : return -1;
3323 : }
3324 : } /* while */
3325 : } else {
3326 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
3327 0 : return -1;
3328 : }
3329 :
3330 0 : if (dlt_receiver_move_to_begin(receiver) == -1) {
3331 0 : dlt_log(LOG_WARNING,
3332 : "Can't move bytes to beginning of receiver buffer for sockets\n");
3333 0 : return -1;
3334 : }
3335 :
3336 0 : if (must_close_socket == 0)
3337 : /* FIXME: Why the hell do we need to close the socket
3338 : * on control message reception ??
3339 : */
3340 0 : dlt_daemon_close_socket(receiver->fd,
3341 : daemon,
3342 : daemon_local,
3343 : verbose);
3344 :
3345 : return 0;
3346 : }
3347 :
3348 0 : int dlt_daemon_process_client_messages_serial(DltDaemon *daemon,
3349 : DltDaemonLocal *daemon_local,
3350 : DltReceiver *receiver,
3351 : int verbose)
3352 : {
3353 : int bytes_to_be_removed = 0;
3354 :
3355 0 : PRINT_FUNCTION_VERBOSE(verbose);
3356 :
3357 0 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3358 0 : dlt_log(LOG_ERR,
3359 : "Invalid function parameters used for function "
3360 : "dlt_daemon_process_client_messages_serial()\n");
3361 0 : return -1;
3362 : }
3363 :
3364 0 : if (dlt_receiver_receive(receiver) <= 0) {
3365 0 : dlt_log(LOG_WARNING,
3366 : "dlt_receiver_receive_fd() for messages from serial interface "
3367 : "failed!\n");
3368 0 : return -1;
3369 : }
3370 :
3371 : /* Process all received messages */
3372 0 : while (dlt_message_read(&(daemon_local->msg),
3373 0 : (uint8_t *)receiver->buf,
3374 0 : (unsigned int) receiver->bytesRcvd,
3375 : daemon_local->flags.mflag,
3376 0 : daemon_local->flags.vflag) == DLT_MESSAGE_ERROR_OK) {
3377 :
3378 : /* Check for control message */
3379 0 : if (DLT_MSG_IS_CONTROL_REQUEST(&(daemon_local->msg))) {
3380 0 : DltMessage secure_msg = {0};
3381 : /* Create sanitized message to break taint chain */
3382 0 : if (dlt_daemon_create_secure_message(&(daemon_local->msg), &secure_msg) < 0)
3383 0 : continue;
3384 :
3385 0 : if (dlt_daemon_client_process_control(receiver->fd,
3386 : daemon,
3387 : daemon_local,
3388 : &(daemon_local->msg),
3389 : daemon_local->flags.vflag)
3390 : == -1) {
3391 0 : dlt_log(LOG_WARNING, "Can't process control messages\n");
3392 0 : return -1;
3393 : }
3394 : }
3395 :
3396 0 : bytes_to_be_removed = (int)((size_t)daemon_local->msg.headersize +
3397 0 : (size_t)daemon_local->msg.datasize -
3398 : sizeof(DltStorageHeader));
3399 :
3400 0 : if (daemon_local->msg.found_serialheader)
3401 : bytes_to_be_removed += (int) sizeof(dltSerialHeader);
3402 :
3403 0 : if (daemon_local->msg.resync_offset)
3404 0 : bytes_to_be_removed += daemon_local->msg.resync_offset;
3405 :
3406 0 : if (dlt_receiver_remove(receiver, bytes_to_be_removed) == -1) {
3407 0 : dlt_log(LOG_WARNING,
3408 : "Can't remove bytes from receiver for serial connection\n");
3409 0 : return -1;
3410 : }
3411 : } /* while */
3412 :
3413 0 : if (dlt_receiver_move_to_begin(receiver) == -1) {
3414 0 : dlt_log(LOG_WARNING,
3415 : "Can't move bytes to beginning of receiver buffer for serial "
3416 : "connection\n");
3417 0 : return -1;
3418 : }
3419 :
3420 : return 0;
3421 : }
3422 :
3423 1 : int dlt_daemon_process_control_connect(
3424 : DltDaemon *daemon,
3425 : DltDaemonLocal *daemon_local,
3426 : DltReceiver *receiver,
3427 : int verbose)
3428 : {
3429 : socklen_t ctrl_size;
3430 : struct sockaddr_un ctrl;
3431 : int in_sock = -1;
3432 :
3433 1 : PRINT_FUNCTION_VERBOSE(verbose);
3434 :
3435 1 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3436 0 : dlt_log(LOG_ERR,
3437 : "Invalid function parameters used for function "
3438 : "dlt_daemon_process_control_connect()\n");
3439 0 : return -1;
3440 : }
3441 :
3442 : /* event from UNIX server socket, new connection */
3443 1 : ctrl_size = sizeof(ctrl);
3444 :
3445 1 : if ((in_sock = accept(receiver->fd, (struct sockaddr *)&ctrl, &ctrl_size)) < 0) {
3446 0 : dlt_vlog(LOG_ERR, "accept() on UNIX control socket %d failed: %s\n", receiver->fd, strerror(errno));
3447 0 : return -1;
3448 : }
3449 :
3450 : /* check if file file descriptor was already used, and make it invalid if it
3451 : * is reused */
3452 : /* This prevents sending messages to wrong file descriptor */
3453 1 : if (daemon->daemon_version == 2) {
3454 0 : dlt_daemon_applications_invalidate_fd_v2(daemon, daemon->ecuid, in_sock, verbose);
3455 0 : dlt_daemon_contexts_invalidate_fd_v2(daemon, daemon->ecuid, in_sock, verbose);
3456 1 : }else if (daemon->daemon_version == 1) {
3457 1 : dlt_daemon_applications_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3458 1 : dlt_daemon_contexts_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3459 : }else {
3460 : return -1;
3461 : }
3462 1 : dlt_daemon_applications_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3463 1 : dlt_daemon_contexts_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3464 :
3465 1 : if (dlt_connection_create(daemon_local,
3466 : &daemon_local->pEvent,
3467 : in_sock,
3468 : POLLIN,
3469 : DLT_CONNECTION_CONTROL_MSG)) {
3470 0 : dlt_log(LOG_ERR, "Failed to register new client. \n");
3471 : /* TODO: Perform clean-up */
3472 0 : return -1;
3473 : }
3474 :
3475 1 : if (verbose)
3476 0 : dlt_vlog(LOG_INFO, "New connection to control client established\n");
3477 :
3478 : return 0;
3479 : }
3480 :
3481 : #if defined DLT_DAEMON_USE_UNIX_SOCKET_IPC || defined DLT_DAEMON_VSOCK_IPC_ENABLE
3482 : int dlt_daemon_process_app_connect(
3483 : DltDaemon *daemon,
3484 : DltDaemonLocal *daemon_local,
3485 : DltReceiver *receiver,
3486 : int verbose)
3487 : {
3488 : int in_sock = -1;
3489 :
3490 : PRINT_FUNCTION_VERBOSE(verbose);
3491 :
3492 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3493 : dlt_vlog(LOG_ERR,
3494 : "%s: Invalid parameters\n",
3495 : __func__);
3496 : return DLT_RETURN_WRONG_PARAMETER;
3497 : }
3498 :
3499 : /* event from server socket, new connection */
3500 :
3501 : if ((in_sock = accept(receiver->fd, NULL, NULL)) < 0) {
3502 : dlt_vlog(LOG_ERR, "accept() on UNIX socket %d failed: %s\n", receiver->fd, strerror(errno));
3503 : return -1;
3504 : }
3505 :
3506 : /* check if file file descriptor was already used, and make it invalid if it
3507 : * is reused. This prevents sending messages to wrong file descriptor */
3508 : dlt_daemon_applications_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3509 : dlt_daemon_contexts_invalidate_fd(daemon, daemon->ecuid, in_sock, verbose);
3510 :
3511 : if (dlt_connection_create(daemon_local,
3512 : &daemon_local->pEvent,
3513 : in_sock,
3514 : POLLIN,
3515 : DLT_CONNECTION_APP_MSG)) {
3516 : dlt_log(LOG_ERR, "Failed to register new application. \n");
3517 : close(in_sock);
3518 : return -1;
3519 : }
3520 :
3521 : if (verbose)
3522 : dlt_vlog(LOG_INFO, "New connection to application established\n");
3523 :
3524 : return 0;
3525 : }
3526 : #endif
3527 :
3528 2 : int dlt_daemon_process_control_messages(
3529 : DltDaemon *daemon,
3530 : DltDaemonLocal *daemon_local,
3531 : DltReceiver *receiver,
3532 : int verbose)
3533 : {
3534 : int bytes_to_be_removed = 0;
3535 :
3536 2 : PRINT_FUNCTION_VERBOSE(verbose);
3537 :
3538 2 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3539 0 : dlt_log(LOG_ERR,
3540 : "Invalid function parameters used for function "
3541 : "dlt_daemon_process_control_messages()\n");
3542 0 : return -1;
3543 : }
3544 :
3545 2 : if (dlt_receiver_receive(receiver) <= 0) {
3546 1 : dlt_daemon_close_socket(receiver->fd,
3547 : daemon,
3548 : daemon_local,
3549 : verbose);
3550 1 : return -1;
3551 : }
3552 :
3553 1 : if(daemon->daemon_version == DLTProtocolV2) {
3554 : /* Process all received messages */
3555 0 : while (dlt_message_read_v2(&(daemon_local->msgv2),
3556 0 : (uint8_t *)receiver->buf,
3557 0 : (unsigned int) receiver->bytesRcvd,
3558 : daemon_local->flags.nflag,
3559 0 : daemon_local->flags.vflag) == DLT_MESSAGE_ERROR_OK) {
3560 :
3561 : /* Check for control message */
3562 0 : if ((0 < receiver->fd) &&
3563 0 : DLT_MSG_IS_CONTROL_REQUEST_V2(&(daemon_local->msgv2)))
3564 0 : dlt_daemon_client_process_control_v2(receiver->fd,
3565 : daemon,
3566 : daemon_local,
3567 : &(daemon_local->msgv2),
3568 : daemon_local->flags.vflag);
3569 0 : bytes_to_be_removed = (int) (daemon_local->msgv2.headersizev2
3570 0 : + daemon_local->msgv2.datasize
3571 0 : - (int32_t)daemon_local->msgv2.storageheadersizev2);
3572 :
3573 0 : if (daemon_local->msg.found_serialheader)
3574 0 : bytes_to_be_removed += (int) sizeof(dltSerialHeader);
3575 :
3576 0 : if (daemon_local->msg.resync_offset)
3577 0 : bytes_to_be_removed += daemon_local->msg.resync_offset;
3578 :
3579 0 : if (dlt_receiver_remove(receiver, bytes_to_be_removed) == -1) {
3580 0 : dlt_log(LOG_WARNING,
3581 : "Can't remove bytes from receiver for sockets\n");
3582 0 : return -1;
3583 : }
3584 : } /* while */
3585 : }
3586 1 : else if (daemon->daemon_version == DLTProtocolV1) {
3587 : /* Process all received messages */
3588 2 : while (dlt_message_read(
3589 : &(daemon_local->msg),
3590 2 : (uint8_t *)receiver->buf,
3591 2 : (unsigned int) receiver->bytesRcvd,
3592 : daemon_local->flags.nflag,
3593 2 : daemon_local->flags.vflag) == DLT_MESSAGE_ERROR_OK) {
3594 :
3595 : /* Check for control message */
3596 1 : if ((receiver->fd > 0) &&
3597 1 : DLT_MSG_IS_CONTROL_REQUEST(&(daemon_local->msg))) {
3598 1 : DltMessage secure_msg = {0};
3599 : /* Create sanitized message to break taint chain */
3600 1 : if (dlt_daemon_create_secure_message(&(daemon_local->msg), &secure_msg) < 0)
3601 0 : continue;
3602 :
3603 1 : if (dlt_daemon_client_process_control(receiver->fd,
3604 : daemon,
3605 : daemon_local,
3606 : &secure_msg,
3607 : daemon_local->flags.vflag)
3608 : == -1) {
3609 0 : dlt_log(LOG_WARNING, "Can't process control messages\n");
3610 0 : return -1;
3611 : }
3612 : }
3613 :
3614 1 : bytes_to_be_removed = (int)((size_t)daemon_local->msg.headersize +
3615 1 : (size_t)daemon_local->msg.datasize -
3616 : sizeof(DltStorageHeader));
3617 :
3618 1 : if (daemon_local->msg.found_serialheader)
3619 : bytes_to_be_removed += (int) sizeof(dltSerialHeader);
3620 :
3621 1 : if (daemon_local->msg.resync_offset)
3622 0 : bytes_to_be_removed += daemon_local->msg.resync_offset;
3623 :
3624 1 : if (dlt_receiver_remove(receiver, bytes_to_be_removed) == -1) {
3625 0 : dlt_log(LOG_WARNING,
3626 : "Can't remove bytes from receiver for sockets\n");
3627 0 : return -1;
3628 : }
3629 : } /* while */
3630 : } else {
3631 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
3632 0 : return -1;
3633 : }
3634 :
3635 1 : if (dlt_receiver_move_to_begin(receiver) == -1) {
3636 0 : dlt_log(LOG_WARNING, "Can't move bytes to beginning of receiver buffer for sockets\n");
3637 0 : return -1;
3638 : }
3639 :
3640 : return 0;
3641 : }
3642 :
3643 0 : static int dlt_daemon_process_user_message_not_sup(DltDaemon *daemon,
3644 : DltDaemonLocal *daemon_local,
3645 : DltReceiver *receiver,
3646 : int verbose)
3647 : {
3648 0 : DltUserHeader *userheader = (DltUserHeader *)(receiver->buf);
3649 : (void)daemon;
3650 : (void)daemon_local;
3651 :
3652 0 : PRINT_FUNCTION_VERBOSE(verbose);
3653 :
3654 0 : dlt_vlog(LOG_ERR, "Invalid user message type received: %u!\n",
3655 : userheader->message);
3656 :
3657 : /* remove user header */
3658 0 : if (dlt_receiver_remove(receiver, sizeof(DltUserHeader)) == -1)
3659 0 : dlt_log(LOG_WARNING,
3660 : "Can't remove bytes from receiver for user messages\n");
3661 :
3662 0 : return -1;
3663 : }
3664 :
3665 : static dlt_daemon_process_user_message_func process_user_func[DLT_USER_MESSAGE_NOT_SUPPORTED] = {
3666 : dlt_daemon_process_user_message_not_sup,
3667 : dlt_daemon_process_user_message_log,
3668 : dlt_daemon_process_user_message_register_application,
3669 : dlt_daemon_process_user_message_unregister_application,
3670 : dlt_daemon_process_user_message_register_context,
3671 : dlt_daemon_process_user_message_unregister_context,
3672 : dlt_daemon_process_user_message_not_sup,
3673 : dlt_daemon_process_user_message_not_sup,
3674 : dlt_daemon_process_user_message_overflow,
3675 : dlt_daemon_process_user_message_set_app_ll_ts,
3676 : dlt_daemon_process_user_message_not_sup,
3677 : dlt_daemon_process_user_message_not_sup,
3678 : dlt_daemon_process_user_message_not_sup,
3679 : dlt_daemon_process_user_message_marker,
3680 : dlt_daemon_process_user_message_not_sup,
3681 : dlt_daemon_process_user_message_not_sup
3682 : };
3683 :
3684 214 : int dlt_daemon_process_user_messages(DltDaemon *daemon,
3685 : DltDaemonLocal *daemon_local,
3686 : DltReceiver *receiver,
3687 : int verbose)
3688 : {
3689 : int offset = 0;
3690 : int run_loop = 1;
3691 : int32_t min_size = (int32_t) sizeof(DltUserHeader);
3692 : DltUserHeader *userheader;
3693 : int recv;
3694 :
3695 214 : PRINT_FUNCTION_VERBOSE(verbose);
3696 :
3697 214 : if ((daemon == NULL) || (daemon_local == NULL) || (receiver == NULL)) {
3698 0 : dlt_log(LOG_ERR,
3699 : "Invalid function parameters used for function "
3700 : "dlt_daemon_process_user_messages()\n");
3701 0 : return -1;
3702 : }
3703 :
3704 214 : recv = dlt_receiver_receive(receiver);
3705 :
3706 214 : if (recv <= 0 && receiver->type == DLT_RECEIVE_SOCKET) {
3707 0 : dlt_daemon_close_socket(receiver->fd,
3708 : daemon,
3709 : daemon_local,
3710 : verbose);
3711 0 : return 0;
3712 : }
3713 0 : else if (recv < 0) {
3714 0 : dlt_log(LOG_WARNING,
3715 : "dlt_receiver_receive_fd() for user messages failed!\n");
3716 0 : return -1;
3717 : }
3718 :
3719 :
3720 214 : if (daemon->daemon_version == DLTProtocolV2) {
3721 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
3722 : /* Count up number of received bytes from FIFO */
3723 : if (receiver->bytesRcvd > receiver->lastBytesRcvd)
3724 : {
3725 : daemon->bytes_recv += receiver->bytesRcvd - receiver->lastBytesRcvd;
3726 : }
3727 : #endif
3728 :
3729 : /* look through buffer as long as data is in there */
3730 0 : while ((receiver->bytesRcvd >= min_size) && run_loop) {
3731 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
3732 : /* this loop may be running long, so we have to exit it at some point to be able to
3733 : * to process other events, like feeding the watchdog
3734 : */
3735 : bool watchdog_triggered= dlt_daemon_trigger_systemd_watchdog_if_necessary(daemon);
3736 : if (watchdog_triggered) {
3737 : dlt_vlog(LOG_WARNING, "%s yields due to watchdog.\n", __func__);
3738 : run_loop = 0; // exit loop in next iteration
3739 : }
3740 : #endif
3741 : dlt_daemon_process_user_message_func func = NULL;
3742 :
3743 : offset = 0;
3744 0 : userheader = (DltUserHeader *)(receiver->buf + offset);
3745 :
3746 0 : while (!dlt_user_check_userheader(userheader) &&
3747 0 : (offset + min_size <= receiver->bytesRcvd)) {
3748 : /* resync if necessary */
3749 0 : offset++;
3750 0 : userheader = (DltUserHeader *)(receiver->buf + offset);
3751 : }
3752 :
3753 : /* Check for user header pattern */
3754 0 : if (!dlt_user_check_userheader(userheader))
3755 : break;
3756 :
3757 : /* Set new start offset */
3758 0 : if (offset > 0) {
3759 0 : if (dlt_receiver_remove(receiver, offset) == -1) {
3760 0 : dlt_log(LOG_WARNING,
3761 : "Can't remove offset from receiver\n");
3762 0 : return -1;
3763 : }
3764 : }
3765 0 : if (userheader->message >= DLT_USER_MESSAGE_NOT_SUPPORTED)
3766 : func = dlt_daemon_process_user_message_not_sup;
3767 : else
3768 0 : func = process_user_func[userheader->message];
3769 :
3770 0 : if (func(daemon,
3771 : daemon_local,
3772 : receiver,
3773 : daemon_local->flags.vflag) == -1)
3774 : run_loop = 0;
3775 : }
3776 :
3777 : /* keep not read data in buffer */
3778 0 : if (dlt_receiver_move_to_begin(receiver) == -1) {
3779 0 : dlt_log(LOG_WARNING,
3780 : "Can't move bytes to beginning of receiver buffer for user "
3781 : "messages\n");
3782 0 : return -1;
3783 : }
3784 214 : } else if (daemon->daemon_version == DLTProtocolV1) {
3785 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
3786 : /* Count up number of received bytes from FIFO */
3787 : if (receiver->bytesRcvd > receiver->lastBytesRcvd)
3788 : {
3789 : daemon->bytes_recv += receiver->bytesRcvd - receiver->lastBytesRcvd;
3790 : }
3791 : #endif
3792 :
3793 : /* look through buffer as long as data is in there */
3794 605 : while ((receiver->bytesRcvd >= min_size) && run_loop) {
3795 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
3796 : /* this loop may be running long, so we have to exit it at some point to be able to
3797 : * to process other events, like feeding the watchdog
3798 : */
3799 : bool watchdog_triggered= dlt_daemon_trigger_systemd_watchdog_if_necessary(daemon);
3800 : if (watchdog_triggered) {
3801 : dlt_vlog(LOG_WARNING, "%s yields due to watchdog.\n", __func__);
3802 : run_loop = 0; // exit loop in next iteration
3803 : }
3804 : #endif
3805 : dlt_daemon_process_user_message_func func = NULL;
3806 :
3807 : offset = 0;
3808 391 : userheader = (DltUserHeader *)(receiver->buf + offset);
3809 :
3810 391 : while (!dlt_user_check_userheader(userheader) &&
3811 0 : (offset + min_size <= receiver->bytesRcvd)) {
3812 : /* resync if necessary */
3813 0 : offset++;
3814 0 : userheader = (DltUserHeader *)(receiver->buf + offset);
3815 : }
3816 :
3817 : /* Check for user header pattern */
3818 391 : if (!dlt_user_check_userheader(userheader))
3819 : break;
3820 :
3821 : /* Set new start offset */
3822 391 : if (offset > 0) {
3823 0 : if (dlt_receiver_remove(receiver, offset) == -1) {
3824 0 : dlt_log(LOG_WARNING,
3825 : "Can't remove offset from receiver\n");
3826 0 : return -1;
3827 : }
3828 : }
3829 :
3830 391 : if (userheader->message >= DLT_USER_MESSAGE_NOT_SUPPORTED)
3831 : func = dlt_daemon_process_user_message_not_sup;
3832 : else
3833 391 : func = process_user_func[userheader->message];
3834 :
3835 391 : if (func(daemon,
3836 : daemon_local,
3837 : receiver,
3838 : daemon_local->flags.vflag) == -1)
3839 : run_loop = 0;
3840 : }
3841 :
3842 : /* keep not read data in buffer */
3843 214 : if (dlt_receiver_move_to_begin(receiver) == -1) {
3844 0 : dlt_log(LOG_WARNING,
3845 : "Can't move bytes to beginning of receiver buffer for user "
3846 : "messages\n");
3847 0 : return -1;
3848 : }
3849 : } else {
3850 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
3851 0 : return -1;
3852 : }
3853 :
3854 : return 0;
3855 : }
3856 :
3857 0 : int dlt_daemon_process_user_message_overflow(DltDaemon *daemon,
3858 : DltDaemonLocal *daemon_local,
3859 : DltReceiver *rec,
3860 : int verbose)
3861 : {
3862 : uint32_t len = sizeof(DltUserControlMsgBufferOverflow);
3863 : DltUserControlMsgBufferOverflow userpayload;
3864 :
3865 0 : PRINT_FUNCTION_VERBOSE(verbose);
3866 :
3867 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
3868 0 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
3869 : __func__);
3870 0 : return -1;
3871 : }
3872 :
3873 0 : if (dlt_receiver_check_and_get(rec,
3874 : &userpayload,
3875 : len,
3876 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
3877 : /* Not enough bytes received */
3878 : return -1;
3879 :
3880 : /* Store in daemon, that a message buffer overflow has occured */
3881 : /* look if TCP connection to client is available or it least message can be put into buffer */
3882 0 : if (dlt_daemon_control_message_buffer_overflow(DLT_DAEMON_SEND_TO_ALL,
3883 : daemon,
3884 : daemon_local,
3885 : userpayload.overflow_counter,
3886 : userpayload.apid,
3887 : verbose))
3888 : /* there was an error when storing message */
3889 : /* add the counter of lost messages to the daemon counter */
3890 0 : daemon->overflow_counter += userpayload.overflow_counter;
3891 :
3892 : return 0;
3893 : }
3894 :
3895 0 : int dlt_daemon_send_message_overflow(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
3896 : {
3897 : int ret;
3898 0 : PRINT_FUNCTION_VERBOSE(verbose);
3899 :
3900 0 : if ((daemon == 0) || (daemon_local == 0)) {
3901 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_overflow()\n");
3902 0 : return DLT_DAEMON_ERROR_UNKNOWN;
3903 : }
3904 :
3905 : /* Store in daemon, that a message buffer overflow has occured */
3906 : if ((ret =
3907 0 : dlt_daemon_control_message_buffer_overflow(DLT_DAEMON_SEND_TO_ALL, daemon, daemon_local,
3908 : daemon->overflow_counter,
3909 : "", verbose)))
3910 : return ret;
3911 :
3912 : return DLT_DAEMON_ERROR_OK;
3913 : }
3914 :
3915 0 : int dlt_daemon_send_message_overflow_v2(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
3916 : {
3917 : int ret;
3918 0 : PRINT_FUNCTION_VERBOSE(verbose);
3919 :
3920 0 : if ((daemon == 0) || (daemon_local == 0)) {
3921 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_user_message_overflow()\n");
3922 0 : return DLT_DAEMON_ERROR_UNKNOWN;
3923 : }
3924 :
3925 : /* Store in daemon, that a message buffer overflow has occured */
3926 : if ((ret =
3927 0 : dlt_daemon_control_message_buffer_overflow_v2(DLT_DAEMON_SEND_TO_ALL, daemon, daemon_local,
3928 : daemon->overflow_counter,
3929 : NULL, verbose)))
3930 : return ret;
3931 :
3932 : return DLT_DAEMON_ERROR_OK;
3933 : }
3934 :
3935 0 : int dlt_daemon_process_user_message_register_application(DltDaemon *daemon,
3936 : DltDaemonLocal *daemon_local,
3937 : DltReceiver *rec,
3938 : int verbose)
3939 : {
3940 : uint32_t to_remove = 0;
3941 : DltDaemonApplication *application = NULL;
3942 0 : DltDaemonApplication *old_application = NULL;
3943 : pid_t old_pid = 0;
3944 0 : char description[DLT_DAEMON_DESCSIZE + 1] = { '\0' };
3945 : char *origin;
3946 : int fd = -1;
3947 :
3948 0 : PRINT_FUNCTION_VERBOSE(verbose);
3949 :
3950 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
3951 0 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
3952 : __func__);
3953 0 : return -1;
3954 : }
3955 :
3956 0 : if(daemon->daemon_version == DLTProtocolV2) {
3957 : uint32_t len = sizeof(DltUserControlMsgRegisterApplicationV2);
3958 : DltUserControlMsgRegisterApplicationV2 usercontext;
3959 : memset(&usercontext, 0, sizeof(DltUserControlMsgRegisterApplicationV2));
3960 : usercontext.apid = NULL;
3961 : int usercontextSize;
3962 : uint8_t *buffer;
3963 :
3964 : int offset = 0;
3965 :
3966 0 : usercontext.apidlen = (uint8_t)rec->buf[8]; // TBD: write function to get apidlen from received buffer
3967 0 : usercontextSize = (int) (sizeof(uint8_t) + usercontext.apidlen + sizeof(pid_t) + sizeof(uint32_t));
3968 :
3969 0 : buffer = (uint8_t*)calloc((size_t)usercontextSize, 1);
3970 :
3971 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
3972 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
3973 : __func__);
3974 0 : return -1;
3975 : }
3976 :
3977 : origin = rec->buf;
3978 :
3979 : /* Adding temp variable to check the return value */
3980 : int temp = 0;
3981 :
3982 : /* We shall not remove data before checking that everything is there. */
3983 0 : temp = dlt_receiver_check_and_get(rec,
3984 : buffer,
3985 : (unsigned int)usercontextSize,
3986 : DLT_RCV_SKIP_HEADER);
3987 :
3988 0 : if (temp < 0) {
3989 : /* Not enough bytes received */
3990 : return -1;
3991 : }
3992 : else {
3993 0 : to_remove = (uint32_t) temp;
3994 : }
3995 :
3996 : offset = 0;
3997 : memcpy(&usercontext.apidlen, buffer, 1);
3998 : offset += 1;
3999 0 : char apid_buf[DLT_V2_ID_SIZE + 1] = {0};
4000 0 : memcpy(apid_buf, (buffer + offset), usercontext.apidlen);
4001 0 : apid_buf[usercontext.apidlen] = '\0';
4002 0 : usercontext.apid = apid_buf;
4003 0 : offset += usercontext.apidlen;
4004 0 : memcpy(&(usercontext.pid), (buffer + offset), sizeof(pid_t));
4005 0 : offset += (int)sizeof(pid_t);
4006 0 : memcpy(&(usercontext.description_length), (buffer + offset), 4);
4007 : offset = 0;
4008 :
4009 : len = usercontext.description_length;
4010 :
4011 : // if (len > DLT_DAEMON_DESCSIZE) {
4012 : // len = DLT_DAEMON_DESCSIZE;
4013 : // dlt_log(LOG_WARNING, "Application description exceeds limit\n");
4014 : // }
4015 :
4016 : /* adjust buffer pointer */
4017 0 : rec->buf += to_remove + sizeof(DltUserHeader);
4018 :
4019 0 : if (dlt_receiver_check_and_get(rec, description, len, DLT_RCV_NONE) < 0) {
4020 0 : dlt_log(LOG_ERR, "Unable to get application description\n");
4021 : /* in case description was not readable, set dummy description */
4022 : memcpy(description, "Unknown", sizeof("Unknown"));
4023 : /* unknown len of original description, set to 0 to not remove in next step. Because message buffer is re-adjusted the corrupted description is ignored. */
4024 : len = 0;
4025 : }
4026 :
4027 : /* adjust to_remove */
4028 0 : to_remove += (uint32_t) sizeof(DltUserHeader) + len;
4029 :
4030 : /* point to begin of message */
4031 0 : rec->buf = origin;
4032 :
4033 : //TBD: Need init_v2 ?
4034 :
4035 : /* We can now remove data. */
4036 0 : if (dlt_receiver_remove(rec, (int) to_remove) != DLT_RETURN_OK) {
4037 0 : dlt_log(LOG_WARNING, "Can't remove bytes from receiver\n");
4038 0 : return -1;
4039 : }
4040 :
4041 0 : dlt_daemon_application_find_v2(daemon, usercontext.apidlen, usercontext.apid, daemon->ecuid2len, daemon->ecuid2, verbose, &old_application);
4042 :
4043 0 : if (old_application != NULL)
4044 0 : old_pid = old_application->pid;
4045 :
4046 0 : if (rec->type == DLT_RECEIVE_SOCKET)
4047 0 : fd = rec->fd; /* For sockets, an app specific fd has already been created with accept(). */
4048 :
4049 0 : application = dlt_daemon_application_add_v2(daemon,
4050 : usercontext.apidlen,
4051 : usercontext.apid,
4052 : usercontext.pid,
4053 : description,
4054 : fd,
4055 0 : daemon->ecuid2len,
4056 : daemon->ecuid2,
4057 : verbose);
4058 :
4059 :
4060 : /* send log state to new application */
4061 0 : dlt_daemon_user_send_log_state_v2(daemon, application, verbose);
4062 :
4063 0 : if (application == NULL) {
4064 0 : dlt_vlog(LOG_WARNING, "Can't add ApplicationID '%s' for PID %d\n",
4065 : usercontext.apid, usercontext.pid);
4066 0 : return -1;
4067 : }
4068 0 : else if (old_pid != application->pid)
4069 : {
4070 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4071 :
4072 0 : snprintf(local_str,
4073 : DLT_DAEMON_TEXTBUFSIZE,
4074 : "ApplicationID '%s' registered for PID %d, Description=%s",
4075 0 : application->apid2,
4076 : application->pid,
4077 : application->application_description);
4078 :
4079 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str, DLT_LOG_INFO,
4080 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
4081 : daemon_local->flags.vflag);
4082 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4083 : }
4084 :
4085 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
4086 : if (dlt_daemon_user_send_trace_load_config(daemon, application, verbose) != DLT_RETURN_OK)
4087 : dlt_vlog(LOG_WARNING, "Cannot send trace config to Apid: %.4s, PID: %d\n",
4088 : application->apid, application->pid);
4089 : #endif
4090 0 : free(buffer);
4091 0 : } else if(daemon->daemon_version == DLTProtocolV1) {
4092 : DltUserControlMsgRegisterApplication userapp;
4093 : uint32_t len = sizeof(DltUserControlMsgRegisterApplication);
4094 : memset(&userapp, 0, sizeof(DltUserControlMsgRegisterApplication));
4095 0 : origin = rec->buf;
4096 :
4097 : /* Adding temp variable to check the return value */
4098 : int temp = 0;
4099 :
4100 : /* We shall not remove data before checking that everything is there. */
4101 0 : temp = dlt_receiver_check_and_get(rec,
4102 : &userapp,
4103 : len,
4104 : DLT_RCV_SKIP_HEADER);
4105 :
4106 0 : if (temp < 0)
4107 : /* Not enough bytes received */
4108 0 : return -1;
4109 : else {
4110 0 : to_remove = (uint32_t) temp;
4111 : }
4112 :
4113 : len = 0;
4114 :
4115 : if (len > DLT_DAEMON_DESCSIZE) {
4116 : len = DLT_DAEMON_DESCSIZE;
4117 : dlt_log(LOG_WARNING, "Application description exceeds limit\n");
4118 : }
4119 :
4120 : /* adjust buffer pointer */
4121 0 : rec->buf += to_remove + sizeof(DltUserHeader);
4122 :
4123 0 : if (dlt_receiver_check_and_get(rec, description, len, DLT_RCV_NONE) < 0) {
4124 0 : dlt_log(LOG_ERR, "Unable to get application description\n");
4125 : /* in case description was not readable, set dummy description */
4126 : memcpy(description, "Unknown", sizeof("Unknown"));
4127 :
4128 : /* unknown len of original description, set to 0 to not remove in next
4129 : * step. Because message buffer is re-adjusted the corrupted description
4130 : * is ignored. */
4131 : len = 0;
4132 : }
4133 :
4134 : /* adjust to_remove */
4135 0 : to_remove += (uint32_t) sizeof(DltUserHeader) + len;
4136 : /* point to begin of message */
4137 0 : rec->buf = origin;
4138 :
4139 : /* We can now remove data. */
4140 0 : if (dlt_receiver_remove(rec, (int) to_remove) != DLT_RETURN_OK) {
4141 0 : dlt_log(LOG_WARNING, "Can't remove bytes from receiver\n");
4142 0 : return -1;
4143 : }
4144 :
4145 0 : old_application = dlt_daemon_application_find(daemon, userapp.apid, daemon->ecuid, verbose);
4146 :
4147 0 : if (old_application != NULL)
4148 0 : old_pid = old_application->pid;
4149 :
4150 0 : if (rec->type == DLT_RECEIVE_SOCKET)
4151 0 : fd = rec->fd; /* For sockets, an app specific fd has already been created with accept(). */
4152 :
4153 0 : application = dlt_daemon_application_add(daemon,
4154 : userapp.apid,
4155 : userapp.pid,
4156 : description,
4157 : fd,
4158 : daemon->ecuid,
4159 : verbose);
4160 :
4161 : /* send log state to new application */
4162 0 : dlt_daemon_user_send_log_state(daemon, application, verbose);
4163 :
4164 0 : if (application == NULL) {
4165 0 : dlt_vlog(LOG_WARNING, "Can't add ApplicationID '%.4s' for PID %d\n",
4166 : userapp.apid, userapp.pid);
4167 0 : return -1;
4168 : }
4169 0 : else if (old_pid != application->pid)
4170 : {
4171 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4172 :
4173 0 : snprintf(local_str,
4174 : DLT_DAEMON_TEXTBUFSIZE,
4175 : "ApplicationID '%.4s' registered for PID %d, Description=%s",
4176 0 : application->apid,
4177 : application->pid,
4178 : application->application_description);
4179 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str, DLT_LOG_INFO,
4180 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
4181 : daemon_local->flags.vflag);
4182 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4183 : }
4184 :
4185 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
4186 : if (dlt_daemon_user_send_trace_load_config(daemon, application, verbose) != DLT_RETURN_OK)
4187 : dlt_vlog(LOG_WARNING, "Cannot send trace config to Apid: %.4s, PID: %d\n",
4188 : application->apid, application->pid);
4189 : #endif
4190 : } else {
4191 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
4192 0 : return -1;
4193 : }
4194 : return 0;
4195 : }
4196 :
4197 2 : int dlt_daemon_process_user_message_register_context(DltDaemon *daemon,
4198 : DltDaemonLocal *daemon_local,
4199 : DltReceiver *rec,
4200 : int verbose)
4201 : {
4202 : uint32_t to_remove = 0;
4203 : uint32_t len = (uint32_t)(sizeof(DltUserControlMsgRegisterContext));
4204 : DltUserControlMsgRegisterContext userctxt;
4205 2 : char description[DLT_DAEMON_DESCSIZE + 1] = { '\0' };
4206 2 : DltDaemonApplication *application = NULL;
4207 : DltDaemonContext *context = NULL;
4208 : char *origin;
4209 :
4210 2 : PRINT_FUNCTION_VERBOSE(verbose);
4211 :
4212 2 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
4213 0 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
4214 : __func__);
4215 0 : return -1;
4216 : }
4217 :
4218 2 : if (daemon->daemon_version == DLTProtocolV2) {
4219 : DltUserControlMsgRegisterContextV2 usercontext;
4220 : /* local request pointer removed to avoid overlaying small buffers */
4221 : memset(&usercontext, 0, sizeof(DltUserControlMsgRegisterContextV2));
4222 : usercontext.apid = NULL;
4223 : usercontext.ctid = NULL;
4224 : int usercontextSize;
4225 : uint8_t *buffer;
4226 : DltMessageV2 msg;
4227 : int offset = 0;
4228 :
4229 0 : PRINT_FUNCTION_VERBOSE(verbose);
4230 :
4231 0 : usercontext.apidlen = (uint8_t)rec->buf[8]; // TBD: write function to get apidlen from received buffer
4232 0 : usercontext.ctidlen = (uint8_t)rec->buf[9 + usercontext.apidlen]; // TBD: write function to get ctidlen from received buffer
4233 :
4234 0 : usercontextSize = (int)(sizeof(uint8_t) + usercontext.apidlen +
4235 0 : sizeof(uint8_t) + usercontext.ctidlen + 10 + sizeof(pid_t));
4236 : len = (uint32_t)usercontextSize;
4237 0 : buffer = (uint8_t*)malloc((size_t)usercontextSize);
4238 :
4239 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
4240 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
4241 : __func__);
4242 0 : return -1;
4243 : }
4244 :
4245 : origin = rec->buf;
4246 :
4247 : /* Adding temp variable to check the return value */
4248 : int temp = 0;
4249 :
4250 0 : temp = dlt_receiver_check_and_get(rec,
4251 : buffer,
4252 : (unsigned int)len,
4253 : DLT_RCV_SKIP_HEADER);
4254 :
4255 0 : if (temp < 0)
4256 : /* Not enough bytes received */
4257 : return -1;
4258 : else {
4259 0 : to_remove = (uint32_t) temp;
4260 : }
4261 :
4262 : memcpy(&(usercontext.apidlen), buffer, 1);
4263 : offset = 1;
4264 :
4265 0 : usercontext.apid = (char *)malloc((size_t)usercontext.apidlen + 1);
4266 0 : if (usercontext.apid == NULL) {
4267 0 : dlt_log(LOG_ERR, "Memory allocation failed for usercontext.apid\n");
4268 0 : return -1;
4269 : }
4270 0 : memcpy(usercontext.apid, (buffer + offset), usercontext.apidlen);
4271 0 : memset((usercontext.apid + usercontext.apidlen), '\0', 1); // Null-terminate string
4272 0 : offset += usercontext.apidlen;
4273 0 : memcpy(&(usercontext.ctidlen), (buffer + offset), 1);
4274 0 : offset += 1;
4275 0 : usercontext.ctid = (char *)malloc((size_t)usercontext.ctidlen + 1);
4276 0 : if (usercontext.ctid == NULL) {
4277 0 : dlt_log(LOG_ERR, "Memory allocation failed for usercontext.ctid\n");
4278 0 : return -1;
4279 : }
4280 0 : memcpy(usercontext.ctid, (buffer + offset), usercontext.ctidlen);
4281 0 : memset((usercontext.ctid + usercontext.ctidlen), '\0', 1); // Null-terminate string
4282 0 : offset += usercontext.ctidlen;
4283 0 : memcpy(&(usercontext.log_level_pos), (buffer + offset), sizeof(int32_t));
4284 0 : offset += (int)sizeof(int32_t);
4285 0 : memcpy(&(usercontext.log_level), (buffer + offset), sizeof(int8_t));
4286 0 : offset += (int)sizeof(int8_t);
4287 0 : memcpy(&(usercontext.trace_status), (buffer + offset), sizeof(int8_t));
4288 0 : offset += (int)sizeof(int8_t);
4289 0 : memcpy(&(usercontext.pid), (buffer + offset), sizeof(pid_t));
4290 0 : offset += (int)sizeof(pid_t);
4291 0 : memcpy(&(usercontext.description_length), (buffer + offset), 4);
4292 :
4293 : len = usercontext.description_length;
4294 :
4295 : // if (len > DLT_DAEMON_DESCSIZE) {
4296 : // dlt_vlog(LOG_WARNING, "Context description exceeds limit: %u\n", len);
4297 : // len = DLT_DAEMON_DESCSIZE;
4298 : // }
4299 :
4300 : /* adjust buffer pointer */
4301 0 : rec->buf += to_remove + sizeof(DltUserHeader);
4302 :
4303 0 : if (dlt_receiver_check_and_get(rec, description, len, DLT_RCV_NONE) < 0) {
4304 0 : dlt_log(LOG_ERR, "Unable to get context description\n");
4305 : /* in case description was not readable, set dummy description */
4306 : memcpy(description, "Unknown", sizeof("Unknown"));
4307 :
4308 : /* unknown len of original description, set to 0 to not remove in next
4309 : * step. Because message buffer is re-adjusted the corrupted description
4310 : * is ignored. */
4311 : len = 0;
4312 : }
4313 :
4314 : /* adjust to_remove */
4315 0 : to_remove += (uint32_t) sizeof(DltUserHeader) + len;
4316 : /* point to begin of message */
4317 0 : rec->buf = origin;
4318 :
4319 : /* We can now remove data. */
4320 0 : if (dlt_receiver_remove(rec, (int) to_remove) != DLT_RETURN_OK) {
4321 0 : dlt_log(LOG_WARNING, "Can't remove bytes from receiver\n");
4322 0 : return -1;
4323 : }
4324 :
4325 0 : dlt_daemon_application_find_v2(daemon,
4326 : usercontext.apidlen,
4327 : usercontext.apid,
4328 0 : daemon->ecuid2len,
4329 0 : daemon->ecuid2,
4330 : verbose,
4331 : &application);
4332 :
4333 0 : if (application == NULL) {
4334 0 : dlt_vlog(LOG_WARNING,
4335 : "ApID '%s' not found for new ContextID '%s' in %s\n",
4336 : usercontext.apid,
4337 : usercontext.ctid,
4338 : __func__);
4339 :
4340 0 : return 0;
4341 : }
4342 :
4343 : /* Set log level */
4344 0 : if (usercontext.log_level == DLT_USER_LOG_LEVEL_NOT_SET) {
4345 0 : usercontext.log_level = DLT_LOG_DEFAULT;
4346 : } else {
4347 : /* Plausibility check */
4348 0 : if ((usercontext.log_level < DLT_LOG_DEFAULT) ||
4349 : (usercontext.log_level > DLT_LOG_VERBOSE)) {
4350 : return -1;
4351 : }
4352 : }
4353 :
4354 : /* Set trace status */
4355 0 : if (usercontext.trace_status == DLT_USER_TRACE_STATUS_NOT_SET) {
4356 0 : usercontext.trace_status = DLT_TRACE_STATUS_DEFAULT;
4357 : } else {
4358 : /* Plausibility check */
4359 0 : if ((usercontext.trace_status < DLT_TRACE_STATUS_DEFAULT) ||
4360 : (usercontext.trace_status > DLT_TRACE_STATUS_ON)) {
4361 : return -1;
4362 : }
4363 : }
4364 :
4365 0 : context = dlt_daemon_context_add_v2(daemon,
4366 : usercontext.apidlen,
4367 : usercontext.apid,
4368 : usercontext.ctidlen,
4369 : usercontext.ctid,
4370 0 : usercontext.log_level,
4371 0 : usercontext.trace_status,
4372 : usercontext.log_level_pos,
4373 : application->user_handle,
4374 : description,
4375 0 : daemon->ecuid2len,
4376 : daemon->ecuid2,
4377 : verbose);
4378 0 : if (context == NULL) {
4379 0 : dlt_vlog(LOG_WARNING,
4380 : "Can't add ContextID '%s' for ApID '%s'\n in %s",
4381 : usercontext.ctid, usercontext.apid, __func__);
4382 0 : return -1;
4383 : }
4384 : else {
4385 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4386 :
4387 0 : snprintf(local_str,
4388 : DLT_DAEMON_TEXTBUFSIZE,
4389 : "ContextID '%s' registered for ApID '%s', Description=%s",
4390 : context->ctid2,
4391 : context->apid2,
4392 : context->context_description);
4393 :
4394 0 : if (verbose)
4395 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
4396 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
4397 : DLT_DAEMON_CTX_ID, verbose);
4398 :
4399 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4400 : }
4401 0 : if (daemon_local->flags.offlineLogstorageMaxDevices) {
4402 : //TBD: update for DLT V2
4403 : /* Store log level set for offline logstorage into context structure*/
4404 0 : context->storage_log_level =
4405 0 : (int8_t) dlt_daemon_logstorage_get_loglevel(daemon,
4406 0 : (int8_t) daemon_local->flags.offlineLogstorageMaxDevices,
4407 : usercontext.apid,
4408 : usercontext.ctid);
4409 : }
4410 : else
4411 0 : context->storage_log_level = DLT_LOG_DEFAULT;
4412 :
4413 : /* Create automatic get log info response for registered context */
4414 0 : if (daemon_local->flags.rflag) {
4415 : /* Prepare request for get log info with one application and one context */
4416 0 : if (dlt_message_init_v2(&msg, verbose) == -1) {
4417 0 : dlt_log(LOG_WARNING, "Can't initialize message");
4418 0 : return -1;
4419 : }
4420 :
4421 0 : msg.datasize = (int)(sizeof(uint32_t) + sizeof(uint8_t) +
4422 0 : sizeof(uint8_t) + usercontext.apidlen +
4423 0 : sizeof(uint8_t) + usercontext.ctidlen +
4424 : DLT_ID_SIZE);
4425 :
4426 0 : if (msg.databuffer && (msg.databuffersize < msg.datasize)) {
4427 0 : free(msg.databuffer);
4428 0 : msg.databuffer = 0;
4429 : }
4430 :
4431 0 : if (msg.databuffer == 0) {
4432 0 : msg.databuffer = (uint8_t *)malloc((size_t)msg.datasize);
4433 0 : msg.databuffersize = msg.datasize;
4434 : }
4435 :
4436 0 : if (msg.databuffer == 0) {
4437 0 : dlt_log(LOG_WARNING, "Can't allocate buffer for get log info message\n");
4438 0 : return -1;
4439 : }
4440 :
4441 : /* prepare local request values (do NOT overlay struct onto small buffer) */
4442 : DltServiceGetLogInfoRequestV2 req_local;
4443 : char apid_buf[DLT_V2_ID_SIZE];
4444 : char ctid_buf[DLT_V2_ID_SIZE];
4445 : char com_buf[DLT_ID_SIZE];
4446 :
4447 0 : req_local.service_id = DLT_SERVICE_ID_GET_LOG_INFO;
4448 0 : req_local.options = (uint8_t) daemon_local->flags.autoResponseGetLogInfoOption;
4449 0 : req_local.apidlen = usercontext.apidlen;
4450 0 : req_local.ctidlen = usercontext.ctidlen;
4451 : /* fill id buffers */
4452 0 : dlt_set_id_v2(apid_buf, usercontext.apid, req_local.apidlen);
4453 0 : dlt_set_id_v2(ctid_buf, usercontext.ctid, req_local.ctidlen);
4454 0 : dlt_set_id(com_buf, "remo");
4455 :
4456 : offset = 0;
4457 0 : memcpy(msg.databuffer + offset, &(req_local.service_id), sizeof(uint32_t));
4458 : offset += (int)sizeof(uint32_t);
4459 0 : memcpy(msg.databuffer + offset, &(req_local.options), sizeof(uint8_t));
4460 : offset += (int)sizeof(uint8_t);
4461 0 : memcpy(msg.databuffer + offset, &(req_local.apidlen), sizeof(uint8_t));
4462 : offset += (int)sizeof(uint8_t);
4463 0 : if (req_local.apidlen > 0)
4464 0 : memcpy(msg.databuffer + offset, apid_buf, req_local.apidlen);
4465 0 : offset += req_local.apidlen;
4466 0 : memcpy(msg.databuffer + offset, &(req_local.ctidlen), sizeof(uint8_t));
4467 0 : offset += (int)sizeof(uint8_t);
4468 0 : if (req_local.ctidlen > 0)
4469 0 : memcpy(msg.databuffer + offset, ctid_buf, req_local.ctidlen);
4470 0 : offset += req_local.ctidlen;
4471 0 : memcpy(msg.databuffer + offset, com_buf, DLT_ID_SIZE);
4472 : offset = 0;
4473 :
4474 0 : dlt_daemon_control_get_log_info_v2(DLT_DAEMON_SEND_TO_ALL, daemon, daemon_local, &msg, verbose);
4475 0 : dlt_message_free_v2(&msg, verbose);
4476 : }
4477 :
4478 0 : if (context->user_handle >= DLT_FD_MINIMUM) {
4479 0 : if ((usercontext.log_level == DLT_LOG_DEFAULT) || (usercontext.trace_status == DLT_TRACE_STATUS_DEFAULT)) {
4480 : /* This call also replaces the default values with the values defined for default */
4481 0 : if (dlt_daemon_user_send_log_level_v2(daemon, context, verbose) == -1) {
4482 0 : dlt_vlog(LOG_WARNING, "Can't send current log level as response to %s for (%s;%s)\n",
4483 : __func__,
4484 0 : context->apid,
4485 0 : context->ctid);
4486 0 : return -1;
4487 : }
4488 : }
4489 : }
4490 2 : } else if (daemon->daemon_version == DLTProtocolV1) {
4491 : DltMessage msg;
4492 : DltServiceGetLogInfoRequest *req = NULL;
4493 : memset(&userctxt, 0, sizeof(DltUserControlMsgRegisterContext));
4494 2 : origin = rec->buf;
4495 :
4496 : /* Adding temp variable to check the return value */
4497 : int temp = 0;
4498 :
4499 2 : temp = dlt_receiver_check_and_get(rec,
4500 : &userctxt,
4501 : len,
4502 : DLT_RCV_SKIP_HEADER);
4503 :
4504 2 : if (temp < 0)
4505 : /* Not enough bytes received */
4506 2 : return -1;
4507 : else {
4508 2 : to_remove = (uint32_t) temp;
4509 : }
4510 :
4511 2 : len = userctxt.description_length;
4512 :
4513 2 : if (len > DLT_DAEMON_DESCSIZE) {
4514 0 : dlt_vlog(LOG_WARNING, "Context description exceeds limit: %u\n", len);
4515 : len = DLT_DAEMON_DESCSIZE;
4516 : }
4517 :
4518 : /* adjust buffer pointer */
4519 2 : rec->buf += to_remove + sizeof(DltUserHeader);
4520 :
4521 2 : if (dlt_receiver_check_and_get(rec, description, len, DLT_RCV_NONE) < 0) {
4522 0 : dlt_log(LOG_ERR, "Unable to get context description\n");
4523 : /* in case description was not readable, set dummy description */
4524 : memcpy(description, "Unknown", sizeof("Unknown"));
4525 :
4526 : /* unknown len of original description, set to 0 to not remove in next
4527 : * step. Because message buffer is re-adjusted the corrupted description
4528 : * is ignored. */
4529 : len = 0;
4530 : }
4531 :
4532 : /* adjust to_remove */
4533 2 : to_remove += (uint32_t) sizeof(DltUserHeader) + len;
4534 : /* point to begin of message */
4535 2 : rec->buf = origin;
4536 :
4537 : /* We can now remove data. */
4538 2 : if (dlt_receiver_remove(rec, (int) to_remove) != DLT_RETURN_OK) {
4539 0 : dlt_log(LOG_WARNING, "Can't remove bytes from receiver\n");
4540 0 : return -1;
4541 : }
4542 :
4543 4 : application = dlt_daemon_application_find(daemon,
4544 : userctxt.apid,
4545 2 : daemon->ecuid,
4546 : verbose);
4547 :
4548 2 : if (application == 0) {
4549 2 : dlt_vlog(LOG_WARNING,
4550 : "ApID '%.4s' not found for new ContextID '%.4s' in %s\n",
4551 : userctxt.apid,
4552 : userctxt.ctid,
4553 : __func__);
4554 :
4555 2 : return 0;
4556 : }
4557 :
4558 : /* Set log level */
4559 0 : if (userctxt.log_level == DLT_USER_LOG_LEVEL_NOT_SET) {
4560 0 : userctxt.log_level = DLT_LOG_DEFAULT;
4561 : } else {
4562 : /* Plausibility check */
4563 0 : if ((userctxt.log_level < DLT_LOG_DEFAULT) ||
4564 : (userctxt.log_level > DLT_LOG_VERBOSE)) {
4565 : return -1;
4566 : }
4567 : }
4568 :
4569 : /* Set trace status */
4570 0 : if (userctxt.trace_status == DLT_USER_TRACE_STATUS_NOT_SET) {
4571 0 : userctxt.trace_status = DLT_TRACE_STATUS_DEFAULT;
4572 : } else {
4573 : /* Plausibility check */
4574 0 : if ((userctxt.trace_status < DLT_TRACE_STATUS_DEFAULT) ||
4575 : (userctxt.trace_status > DLT_TRACE_STATUS_ON)) {
4576 : return -1;
4577 : }
4578 : }
4579 :
4580 0 : context = dlt_daemon_context_add(daemon,
4581 : userctxt.apid,
4582 : userctxt.ctid,
4583 0 : userctxt.log_level,
4584 0 : userctxt.trace_status,
4585 : userctxt.log_level_pos,
4586 : application->user_handle,
4587 : description,
4588 : daemon->ecuid,
4589 : verbose);
4590 :
4591 0 : if (context == 0) {
4592 0 : dlt_vlog(LOG_WARNING,
4593 : "Can't add ContextID '%.4s' for ApID '%.4s'\n in %s",
4594 : userctxt.ctid, userctxt.apid, __func__);
4595 0 : return -1;
4596 : }
4597 : else {
4598 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4599 :
4600 0 : snprintf(local_str,
4601 : DLT_DAEMON_TEXTBUFSIZE,
4602 : "ContextID '%.4s' registered for ApID '%.4s', Description=%s",
4603 0 : context->ctid,
4604 0 : context->apid,
4605 : context->context_description);
4606 :
4607 0 : if (verbose)
4608 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
4609 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
4610 : DLT_DAEMON_CTX_ID, verbose);
4611 :
4612 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4613 : }
4614 :
4615 0 : if (daemon_local->flags.offlineLogstorageMaxDevices)
4616 : /* Store log level set for offline logstorage into context structure*/
4617 0 : context->storage_log_level =
4618 0 : (int8_t) dlt_daemon_logstorage_get_loglevel(daemon,
4619 0 : (int8_t) daemon_local->flags.offlineLogstorageMaxDevices,
4620 : userctxt.apid,
4621 : userctxt.ctid);
4622 : else
4623 0 : context->storage_log_level = DLT_LOG_DEFAULT;
4624 :
4625 : /* Create automatic get log info response for registered context */
4626 0 : if (daemon_local->flags.rflag) {
4627 : /* Prepare request for get log info with one application and one context */
4628 0 : if (dlt_message_init(&msg, verbose) == -1) {
4629 0 : dlt_log(LOG_WARNING, "Can't initialize message");
4630 0 : return -1;
4631 : }
4632 :
4633 0 : msg.datasize = sizeof(DltServiceGetLogInfoRequest);
4634 :
4635 0 : if (msg.databuffer && (msg.databuffersize < msg.datasize)) {
4636 0 : free(msg.databuffer);
4637 0 : msg.databuffer = 0;
4638 : }
4639 :
4640 0 : if (msg.databuffer == 0) {
4641 0 : msg.databuffer = (uint8_t *)malloc((size_t)msg.datasize);
4642 0 : msg.databuffersize = msg.datasize;
4643 : }
4644 :
4645 0 : if (msg.databuffer == 0) {
4646 0 : dlt_log(LOG_WARNING, "Can't allocate buffer for get log info message\n");
4647 0 : return -1;
4648 : }
4649 :
4650 : req = (DltServiceGetLogInfoRequest *)msg.databuffer;
4651 :
4652 0 : req->service_id = DLT_SERVICE_ID_GET_LOG_INFO;
4653 0 : req->options = (uint8_t) daemon_local->flags.autoResponseGetLogInfoOption;
4654 0 : dlt_set_id(req->apid, userctxt.apid);
4655 0 : dlt_set_id(req->ctid, userctxt.ctid);
4656 0 : dlt_set_id(req->com, "remo");
4657 :
4658 0 : dlt_daemon_control_get_log_info(DLT_DAEMON_SEND_TO_ALL, daemon, daemon_local, &msg, verbose);
4659 :
4660 0 : dlt_message_free(&msg, verbose);
4661 : }
4662 :
4663 0 : if (context->user_handle >= DLT_FD_MINIMUM) {
4664 0 : if ((userctxt.log_level == DLT_LOG_DEFAULT) || (userctxt.trace_status == DLT_TRACE_STATUS_DEFAULT)) {
4665 : /* This call also replaces the default values with the values defined for default */
4666 0 : if (dlt_daemon_user_send_log_level(daemon, context, verbose) == -1) {
4667 0 : dlt_vlog(LOG_WARNING, "Can't send current log level as response to %s for (%.4s;%.4s)\n",
4668 : __func__,
4669 : context->apid,
4670 : context->ctid);
4671 0 : return -1;
4672 : }
4673 : }
4674 : }
4675 : } else {
4676 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
4677 0 : return -1;
4678 : }
4679 :
4680 : return 0;
4681 : }
4682 :
4683 0 : int dlt_daemon_process_user_message_unregister_application(DltDaemon *daemon,
4684 : DltDaemonLocal *daemon_local,
4685 : DltReceiver *rec,
4686 : int verbose)
4687 : {
4688 0 : DltDaemonApplication *application = NULL;
4689 : DltDaemonContext *context;
4690 : int i, offset_base;
4691 : DltDaemonRegisteredUsers *user_list = NULL;
4692 :
4693 0 : PRINT_FUNCTION_VERBOSE(verbose);
4694 :
4695 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
4696 0 : dlt_vlog(LOG_ERR,
4697 : "Invalid function parameters used for %s\n",
4698 : __func__);
4699 0 : return -1;
4700 : }
4701 :
4702 0 : if (daemon->daemon_version == DLTProtocolV2) {
4703 : uint32_t len = sizeof(DltUserControlMsgUnregisterApplicationV2);
4704 : DltUserControlMsgUnregisterApplicationV2 userapp;
4705 : int userappSize;
4706 : uint8_t *buffer;
4707 0 : userapp.apidlen = (uint8_t)rec->buf[8]; // TBD: write function to get apidlen from received buffer
4708 0 : userapp.apid = NULL;
4709 0 : userappSize = (int)sizeof(uint8_t) + userapp.apidlen + (int)sizeof(pid_t);
4710 0 : len = (uint32_t)userappSize;
4711 0 : buffer = (uint8_t*)malloc((size_t)userappSize);
4712 :
4713 : int offset = 0;
4714 :
4715 0 : if (dlt_receiver_check_and_get(rec,
4716 : buffer,
4717 : len,
4718 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
4719 : /* Not enough bytes received */
4720 0 : return -1;
4721 :
4722 : memcpy(&(userapp.apidlen), buffer, 1);
4723 : offset = 1;
4724 : char apid_buf[DLT_V2_ID_SIZE];
4725 0 : dlt_set_id_v2(apid_buf, (const char *)(buffer + offset), userapp.apidlen);
4726 0 : userapp.apid = apid_buf;
4727 0 : offset += userapp.apidlen;
4728 0 : memcpy(&(userapp.pid), (buffer + offset), sizeof(pid_t));
4729 0 : user_list = dlt_daemon_find_users_list_v2(daemon, daemon->ecuid2len, daemon->ecuid2, verbose);
4730 :
4731 0 : if (user_list == NULL)
4732 : return -1;
4733 :
4734 0 : if (user_list->num_applications > 0) {
4735 : /* Delete this application and all corresponding contexts
4736 : * for this application from internal table.
4737 : */
4738 0 : dlt_daemon_application_find_v2(daemon,
4739 : userapp.apidlen,
4740 : userapp.apid,
4741 0 : daemon->ecuid2len,
4742 : daemon->ecuid2,
4743 : verbose,
4744 : &application);
4745 0 : if (application != NULL) {
4746 : /* Calculate start offset within contexts[] */
4747 : offset_base = 0;
4748 0 : for (i = 0; i < (application - (user_list->applications)); i++)
4749 0 : offset_base += user_list->applications[i].num_contexts;
4750 0 : for (i = (application->num_contexts) - 1; i >= 0; i--) {
4751 0 : context = &(user_list->contexts[offset_base + i]);
4752 0 : if (context) {
4753 : /* Delete context */
4754 0 : if (dlt_daemon_context_del_v2(daemon,
4755 : context,
4756 0 : daemon->ecuid2len,
4757 : daemon->ecuid2,
4758 : verbose) == -1) {
4759 0 : dlt_vlog(LOG_WARNING,
4760 : "Can't delete CtID '%s' for ApID '%s' in %s\n",
4761 0 : context->ctid,
4762 0 : context->apid,
4763 : __func__);
4764 0 : return -1;
4765 : }
4766 : }
4767 : }
4768 : /* Delete this application entry from internal table*/
4769 0 : if (dlt_daemon_application_del_v2(daemon,
4770 : application,
4771 0 : daemon->ecuid2len,
4772 : daemon->ecuid2,
4773 : verbose) == -1) {
4774 0 : dlt_vlog(LOG_WARNING,
4775 : "Can't delete ApID '%s' in %s\n",
4776 0 : application->apid,
4777 : __func__);
4778 0 : return -1;
4779 : }
4780 : else {
4781 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4782 : snprintf(local_str,
4783 : DLT_DAEMON_TEXTBUFSIZE,
4784 : "Unregistered ApID '%s'",
4785 : userapp.apid);
4786 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
4787 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
4788 : DLT_DAEMON_CTX_ID, verbose);
4789 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4790 : }
4791 : }
4792 : }
4793 0 : } else if (daemon->daemon_version == DLTProtocolV1) {
4794 : uint32_t len = sizeof(DltUserControlMsgUnregisterApplication);
4795 : DltUserControlMsgUnregisterApplication userapp;
4796 0 : if (dlt_receiver_check_and_get(rec,
4797 : &userapp,
4798 : len,
4799 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
4800 : /* Not enough bytes received */
4801 0 : return -1;
4802 :
4803 0 : user_list = dlt_daemon_find_users_list(daemon, daemon->ecuid, verbose);
4804 :
4805 0 : if (user_list == NULL)
4806 : return -1;
4807 :
4808 0 : if (user_list->num_applications > 0) {
4809 : /* Delete this application and all corresponding contexts
4810 : * for this application from internal table.
4811 : */
4812 0 : application = dlt_daemon_application_find(daemon,
4813 : userapp.apid,
4814 : daemon->ecuid,
4815 : verbose);
4816 :
4817 0 : if (application) {
4818 : /* Calculate start offset within contexts[] */
4819 : offset_base = 0;
4820 :
4821 0 : for (i = 0; i < (application - (user_list->applications)); i++)
4822 0 : offset_base += user_list->applications[i].num_contexts;
4823 :
4824 0 : for (i = (application->num_contexts) - 1; i >= 0; i--) {
4825 0 : context = &(user_list->contexts[offset_base + i]);
4826 :
4827 0 : if (context) {
4828 : /* Delete context */
4829 0 : if (dlt_daemon_context_del(daemon,
4830 : context,
4831 : daemon->ecuid,
4832 : verbose) == -1) {
4833 0 : dlt_vlog(LOG_WARNING,
4834 : "Can't delete CtID '%.4s' for ApID '%.4s' in %s\n",
4835 0 : context->ctid,
4836 0 : context->apid,
4837 : __func__);
4838 0 : return -1;
4839 : }
4840 : }
4841 : }
4842 :
4843 : /* Delete this application entry from internal table*/
4844 0 : if (dlt_daemon_application_del(daemon,
4845 : application,
4846 : daemon->ecuid,
4847 : verbose) == -1) {
4848 0 : dlt_vlog(LOG_WARNING,
4849 : "Can't delete ApID '%.4s' in %s\n",
4850 0 : application->apid,
4851 : __func__);
4852 0 : return -1;
4853 : }
4854 : else {
4855 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4856 :
4857 : snprintf(local_str,
4858 : DLT_DAEMON_TEXTBUFSIZE,
4859 : "Unregistered ApID '%.4s'",
4860 : userapp.apid);
4861 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
4862 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
4863 : DLT_DAEMON_CTX_ID, verbose);
4864 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4865 : }
4866 : }
4867 : }
4868 : } else {
4869 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
4870 0 : return -1;
4871 : }
4872 :
4873 : return 0;
4874 : }
4875 :
4876 0 : int dlt_daemon_process_user_message_unregister_context(DltDaemon *daemon,
4877 : DltDaemonLocal *daemon_local,
4878 : DltReceiver *rec,
4879 : int verbose)
4880 : {
4881 : DltUserControlMsgUnregisterContext userctxt;
4882 : DltDaemonContext *context;
4883 :
4884 0 : PRINT_FUNCTION_VERBOSE(verbose);
4885 :
4886 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
4887 0 : dlt_vlog(LOG_ERR,
4888 : "Invalid function parameters used for %s\n",
4889 : __func__);
4890 :
4891 0 : return -1;
4892 : }
4893 :
4894 0 : if (daemon->daemon_version == DLTProtocolV2) {
4895 : uint32_t len = sizeof(DltUserControlMsgUnregisterContextV2);
4896 : DltUserControlMsgUnregisterContextV2 usercontext;
4897 : int usercontextSize;
4898 : uint8_t *buffer;
4899 0 : usercontext.apid = NULL;
4900 0 : usercontext.ctid = NULL;
4901 0 : usercontext.apidlen = (uint8_t)rec->buf[8]; // TBD: write function to get apidlen from received buffer
4902 0 : usercontext.ctidlen = (uint8_t)rec->buf[9 + usercontext.apidlen]; // TBD: write function to get ctidlen from received buffer
4903 0 : usercontextSize = (int)(sizeof(uint8_t) + usercontext.apidlen +
4904 0 : sizeof(uint8_t) + usercontext.ctidlen + sizeof(pid_t));
4905 : len = (uint32_t)usercontextSize;
4906 0 : buffer = (uint8_t*)malloc((size_t)usercontextSize);
4907 :
4908 : int offset = 0;
4909 :
4910 0 : if (dlt_receiver_check_and_get(rec,
4911 : buffer,
4912 : len,
4913 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0){
4914 : /* Not enough bytes received */
4915 0 : return -1;
4916 : }
4917 :
4918 : memcpy(&(usercontext.apidlen), buffer, 1);
4919 : offset = 1;
4920 0 : dlt_set_id_v2(usercontext.apid, (const char *)(buffer + offset), usercontext.apidlen);
4921 0 : offset += usercontext.apidlen;
4922 0 : memcpy(&(usercontext.ctidlen), (buffer + offset), 1);
4923 0 : offset += 1;
4924 0 : dlt_set_id_v2(usercontext.ctid, (const char *)(buffer + offset), usercontext.ctidlen);
4925 0 : offset += usercontext.ctidlen;
4926 0 : memcpy(&(usercontext.pid), (buffer + offset), sizeof(pid_t));
4927 : offset += (int)sizeof(pid_t);
4928 :
4929 0 : context = dlt_daemon_context_find_v2(daemon,
4930 : usercontext.apidlen,
4931 : usercontext.apid,
4932 : usercontext.ctidlen,
4933 : usercontext.ctid,
4934 0 : daemon->ecuid2len,
4935 0 : daemon->ecuid2,
4936 : verbose);
4937 :
4938 :
4939 : /* In case the daemon is loaded with predefined contexts and its context
4940 : * unregisters, the context information will not be deleted from daemon's
4941 : * table until its parent application is unregistered.
4942 : */
4943 0 : if (context && (context->predefined == false)) {
4944 : /* Delete this connection entry from internal table*/
4945 0 : if (dlt_daemon_context_del_v2(daemon, context, daemon->ecuid2len, daemon->ecuid2, verbose) == -1) {
4946 0 : dlt_vlog(LOG_WARNING,
4947 : "Can't delete CtID '%s' for ApID '%s' in %s\n",
4948 : usercontext.ctid ? usercontext.ctid : "<NULL>",
4949 : usercontext.apid ? usercontext.apid : "<NULL>",
4950 : __func__);
4951 0 : return -1;
4952 : }
4953 : else {
4954 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
4955 :
4956 : snprintf(local_str,
4957 : DLT_DAEMON_TEXTBUFSIZE,
4958 : "Unregistered CtID '%s' for ApID '%s'",
4959 : usercontext.ctid ? usercontext.ctid : "<NULL>",
4960 : usercontext.apid ? usercontext.apid : "<NULL>");
4961 :
4962 0 : if (verbose){
4963 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
4964 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
4965 : DLT_DAEMON_CTX_ID, verbose);
4966 : }
4967 :
4968 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
4969 : }
4970 : }
4971 :
4972 : /* Create automatic unregister context response for unregistered context */
4973 0 : if (daemon_local->flags.rflag)
4974 0 : dlt_daemon_control_message_unregister_context_v2(DLT_DAEMON_SEND_TO_ALL,
4975 : daemon,
4976 : daemon_local,
4977 : usercontext.apidlen,
4978 : usercontext.apid,
4979 : usercontext.ctidlen,
4980 : usercontext.ctid,
4981 : "remo",
4982 : verbose);
4983 : }
4984 0 : else if (daemon->daemon_version == DLTProtocolV1) {
4985 : uint32_t len = sizeof(DltUserControlMsgUnregisterContext);
4986 0 : if (dlt_receiver_check_and_get(rec,
4987 : &userctxt,
4988 : len,
4989 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
4990 : /* Not enough bytes received */
4991 : return -1;
4992 :
4993 0 : context = dlt_daemon_context_find(daemon,
4994 : userctxt.apid,
4995 : userctxt.ctid,
4996 0 : daemon->ecuid,
4997 : verbose);
4998 :
4999 : /* In case the daemon is loaded with predefined contexts and its context
5000 : * unregisters, the context information will not be deleted from daemon's
5001 : * table until its parent application is unregistered.
5002 : */
5003 0 : if (context && (context->predefined == false)) {
5004 : /* Delete this connection entry from internal table*/
5005 0 : if (dlt_daemon_context_del(daemon, context, daemon->ecuid, verbose) == -1) {
5006 0 : dlt_vlog(LOG_WARNING,
5007 : "Can't delete CtID '%.4s' for ApID '%.4s' in %s\n",
5008 : userctxt.ctid,
5009 : userctxt.apid,
5010 : __func__);
5011 0 : return -1;
5012 : }
5013 : else {
5014 0 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
5015 :
5016 : snprintf(local_str,
5017 : DLT_DAEMON_TEXTBUFSIZE,
5018 : "Unregistered CtID '%.4s' for ApID '%.4s'",
5019 : userctxt.ctid,
5020 : userctxt.apid);
5021 :
5022 0 : if (verbose)
5023 0 : dlt_daemon_log_internal(daemon, daemon_local, local_str,
5024 : DLT_LOG_INFO, DLT_DAEMON_APP_ID,
5025 : DLT_DAEMON_CTX_ID, verbose);
5026 :
5027 0 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
5028 : }
5029 : }
5030 :
5031 : /* Create automatic unregister context response for unregistered context */
5032 0 : if (daemon_local->flags.rflag)
5033 0 : dlt_daemon_control_message_unregister_context(DLT_DAEMON_SEND_TO_ALL,
5034 : daemon,
5035 : daemon_local,
5036 : userctxt.apid,
5037 : userctxt.ctid,
5038 : "remo",
5039 : verbose);
5040 : } else {
5041 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
5042 0 : return -1;
5043 : }
5044 : return 0;
5045 : }
5046 :
5047 389 : int dlt_daemon_process_user_message_log(DltDaemon *daemon,
5048 : DltDaemonLocal *daemon_local,
5049 : DltReceiver *rec,
5050 : int verbose)
5051 : {
5052 : int ret = 0;
5053 : int size = 0;
5054 : bool keep_message = true;
5055 389 : PRINT_FUNCTION_VERBOSE(verbose);
5056 :
5057 389 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
5058 0 : dlt_vlog(LOG_ERR, "%s: invalid function parameters.\n", __func__);
5059 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5060 : }
5061 :
5062 : #ifdef DLT_SYSTEMD_WATCHDOG_ENFORCE_MSG_RX_ENABLE
5063 : daemon->received_message_since_last_watchdog_interval = 1;
5064 : #endif
5065 :
5066 : /* TODO: Add support for DLTv2 SHM messages */
5067 : #ifdef DLT_SHM_ENABLE
5068 : /** In case of SHM, the header still received via fifo/unix_socket receiver,
5069 : * so we need to remove header from the receiver.
5070 : */
5071 : if (dlt_receiver_remove(rec, sizeof(DltUserHeader)) < 0)
5072 : /* Not enough bytes received to remove*/
5073 : return DLT_DAEMON_ERROR_UNKNOWN;
5074 :
5075 : while (1) {
5076 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
5077 : bool watchdog_triggered = dlt_daemon_trigger_systemd_watchdog_if_necessary(daemon);
5078 : if (watchdog_triggered) {
5079 : dlt_vlog(LOG_WARNING, "%s yields due to watchdog.\n", __func__);
5080 : break;
5081 : }
5082 : #endif
5083 : /* get log message from SHM then store into receiver buffer */
5084 : size = dlt_shm_pull(&(daemon_local->dlt_shm),
5085 : daemon_local->recv_buf_shm,
5086 : DLT_SHM_RCV_BUFFER_SIZE);
5087 :
5088 : if (size <= 0)
5089 : break;
5090 :
5091 : ret = dlt_message_read(&(daemon_local->msg),
5092 : daemon_local->recv_buf_shm, size, 0, verbose);
5093 :
5094 : if (DLT_MESSAGE_ERROR_OK != ret) {
5095 : dlt_shm_remove(&(daemon_local->dlt_shm));
5096 : dlt_log(LOG_WARNING, "failed to read messages from shm.\n");
5097 : return DLT_DAEMON_ERROR_UNKNOWN;
5098 : }
5099 :
5100 : #if defined(DLT_LOG_LEVEL_APP_CONFIG) || defined(DLT_TRACE_LOAD_CTRL_ENABLE)
5101 : DltDaemonApplication *app = dlt_daemon_application_find(
5102 : daemon, daemon_local->msg.extendedheader->apid, daemon->ecuid, verbose);
5103 : #endif
5104 :
5105 : /* discard non-allowed levels if enforcement is on */
5106 : keep_message = enforce_context_ll_and_ts_keep_message(
5107 : daemon_local
5108 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5109 : , app
5110 : #endif
5111 : );
5112 :
5113 : // check trace_load
5114 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
5115 : keep_message &= trace_load_keep_message(app, size, daemon, daemon_local, verbose);
5116 : #endif
5117 :
5118 : if (keep_message)
5119 : dlt_daemon_client_send_message_to_all_client(daemon, daemon_local, verbose);
5120 :
5121 : if (DLT_DAEMON_ERROR_OK != ret)
5122 : dlt_log(LOG_ERR, "failed to send message to client.\n");
5123 : }
5124 :
5125 : #else /* DLT_SHM_ENABLE */
5126 389 : if (daemon->daemon_version == DLTProtocolV2) {
5127 0 : ret = dlt_message_read_v2(&(daemon_local->msgv2),
5128 0 : (unsigned char *)rec->buf + sizeof(DltUserHeader),
5129 0 : (unsigned int) ((unsigned int) rec->bytesRcvd - sizeof(DltUserHeader)),
5130 : 0,
5131 : verbose);
5132 0 : if (ret != DLT_MESSAGE_ERROR_OK) {
5133 0 : if (ret != DLT_MESSAGE_ERROR_SIZE)
5134 : /* This is a normal usecase: The daemon reads the data in 10kb chunks.
5135 : * Thus the last trace in this chunk is probably not complete and will be completed
5136 : * with the next chunk read. This happens always when the FIFO is filled with more than 10kb before
5137 : * the daemon is able to read from the FIFO.
5138 : * Thus the loglevel of this message is set to DEBUG.
5139 : * A cleaner solution would be to check more in detail whether the message is not complete (normal usecase)
5140 : * or the headers are corrupted (error case). */
5141 0 : dlt_log(LOG_DEBUG, "Can't read messages from receiver\n");
5142 :
5143 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5144 : }
5145 :
5146 : #if defined(DLT_LOG_LEVEL_APP_CONFIG) || defined(DLT_TRACE_LOAD_CTRL_ENABLE)
5147 : DltDaemonApplication *app = (DltDaemonApplication *)malloc(sizeof(DltDaemonApplication));
5148 : dlt_daemon_application_find_v2(
5149 : daemon, daemon_local->msgv2.extendedheaderv2->apidlen,
5150 : daemon_local->msgv2.extendedheaderv2->apid, daemon->ecuid2len, daemon->ecuid2, verbose, &app);
5151 : #endif
5152 :
5153 : /* discard non-allowed levels if enforcement is on */
5154 0 : keep_message = enforce_context_ll_and_ts_keep_message_v2(
5155 : daemon_local
5156 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5157 : , app
5158 : #endif
5159 : );
5160 :
5161 : // check trace_load
5162 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
5163 : keep_message &=
5164 : trace_load_keep_message_v2(app, size, daemon, daemon_local, verbose);
5165 : #endif
5166 0 : if (keep_message){
5167 0 : dlt_daemon_client_send_message_to_all_client_v2(daemon, daemon_local, verbose);
5168 : }
5169 : /* keep not read data in buffer */
5170 0 : size = (int) (daemon_local->msgv2.headersizev2 +
5171 0 : daemon_local->msgv2.datasize +
5172 : (int32_t)sizeof(DltUserHeader) -
5173 0 : (int32_t) daemon_local->msgv2.storageheadersizev2);
5174 :
5175 0 : if (daemon_local->msgv2.found_serialheader)
5176 : size += (int) sizeof(dltSerialHeader);
5177 :
5178 0 : if (dlt_receiver_remove(rec, size) != DLT_RETURN_OK) {
5179 0 : dlt_log(LOG_WARNING, "failed to remove bytes from receiver.\n");
5180 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5181 : }
5182 389 : } else if (daemon->daemon_version == DLTProtocolV1) {
5183 389 : ret = dlt_message_read(&(daemon_local->msg),
5184 389 : (unsigned char *)rec->buf + sizeof(DltUserHeader),
5185 389 : (unsigned int) ((unsigned int) rec->bytesRcvd - sizeof(DltUserHeader)),
5186 : 0,
5187 : verbose);
5188 :
5189 389 : if (ret != DLT_MESSAGE_ERROR_OK) {
5190 0 : if (ret != DLT_MESSAGE_ERROR_SIZE)
5191 : /* This is a normal usecase: The daemon reads the data in 10kb chunks.
5192 : * Thus the last trace in this chunk is probably not complete and will be completed
5193 : * with the next chunk read. This happens always when the FIFO is filled with more than 10kb before
5194 : * the daemon is able to read from the FIFO.
5195 : * Thus the loglevel of this message is set to DEBUG.
5196 : * A cleaner solution would be to check more in detail whether the message is not complete (normal usecase)
5197 : * or the headers are corrupted (error case). */
5198 0 : dlt_log(LOG_DEBUG, "Can't read messages from receiver\n");
5199 :
5200 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5201 : }
5202 :
5203 : #if defined(DLT_LOG_LEVEL_APP_CONFIG) || defined(DLT_TRACE_LOAD_CTRL_ENABLE)
5204 : DltDaemonApplication *app = dlt_daemon_application_find(
5205 : daemon, daemon_local->msg.extendedheader->apid, daemon->ecuid, verbose);
5206 : #endif
5207 :
5208 : /* discard non-allowed levels if enforcement is on */
5209 0 : keep_message = enforce_context_ll_and_ts_keep_message(
5210 : daemon_local
5211 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5212 : , app
5213 : #endif
5214 : );
5215 :
5216 : // check trace_load
5217 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
5218 : keep_message &=
5219 : trace_load_keep_message(app, size, daemon, daemon_local, verbose);
5220 : #endif
5221 0 : if (keep_message){
5222 389 : dlt_daemon_client_send_message_to_all_client(daemon, daemon_local, verbose);
5223 : }
5224 :
5225 : /* keep not read data in buffer */
5226 389 : size = (int) ((size_t)daemon_local->msg.headersize +
5227 389 : (size_t)daemon_local->msg.datasize - sizeof(DltStorageHeader) +
5228 : sizeof(DltUserHeader));
5229 :
5230 389 : if (daemon_local->msg.found_serialheader)
5231 : size += (int) sizeof(dltSerialHeader);
5232 :
5233 389 : if (dlt_receiver_remove(rec, size) != DLT_RETURN_OK) {
5234 0 : dlt_log(LOG_WARNING, "failed to remove bytes from receiver.\n");
5235 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5236 : }
5237 : } else {
5238 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
5239 0 : return -1;
5240 : }
5241 : #endif /* DLT_SHM_ENABLE */
5242 :
5243 : return DLT_DAEMON_ERROR_OK;
5244 : }
5245 :
5246 0 : bool enforce_context_ll_and_ts_keep_message(DltDaemonLocal *daemon_local
5247 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5248 : , DltDaemonApplication *app
5249 : #endif
5250 : )
5251 : {
5252 389 : if (!daemon_local->flags.enforceContextLLAndTS ||
5253 0 : !daemon_local->msg.extendedheader) {
5254 : return true;
5255 : }
5256 :
5257 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5258 : if (app == NULL) {
5259 : return true;
5260 : }
5261 : #endif
5262 :
5263 0 : const int mtin = DLT_GET_MSIN_MTIN(daemon_local->msg.extendedheader->msin);
5264 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5265 : if (app->num_context_log_level_settings > 0) {
5266 : DltDaemonContextLogSettings *log_settings =
5267 : dlt_daemon_find_app_log_level_config(app, daemon_local->msg.extendedheader->ctid);
5268 :
5269 : if (log_settings != NULL) {
5270 : return mtin <= log_settings->log_level;
5271 : }
5272 : }
5273 : #endif
5274 0 : return mtin <= daemon_local->flags.contextLogLevel;
5275 : }
5276 :
5277 0 : bool enforce_context_ll_and_ts_keep_message_v2(DltDaemonLocal *daemon_local
5278 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5279 : , DltDaemonApplication *app
5280 : #endif
5281 : )
5282 : {
5283 0 : if (!daemon_local->flags.enforceContextLLAndTS) {
5284 : return true;
5285 : }
5286 :
5287 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5288 : if (app == NULL) {
5289 : return true;
5290 : }
5291 : #endif
5292 :
5293 0 : const int mtin = DLT_GET_MSIN_MTIN(daemon_local->msgv2.headerextrav2.msin);
5294 : #ifdef DLT_LOG_LEVEL_APP_CONFIG
5295 : if (app->num_context_log_level_settings > 0) {
5296 : /* TODO: Call dlt_daemon_find_app_log_level_config_v2 for DLTv2 */
5297 : DltDaemonContextLogSettings *log_settings =
5298 : dlt_daemon_find_app_log_level_config(app, daemon_local->msgv2.extendedheaderv2->ctid);
5299 :
5300 : if (log_settings != NULL) {
5301 : return mtin <= log_settings->log_level;
5302 : }
5303 : }
5304 : #endif
5305 0 : return mtin <= daemon_local->flags.contextLogLevel;
5306 : }
5307 :
5308 :
5309 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
5310 : bool trace_load_keep_message(DltDaemonApplication *app,
5311 : const int size, DltDaemon *const daemon,
5312 : DltDaemonLocal *const daemon_local,
5313 : int verbose)
5314 : {
5315 : bool keep_message = true;
5316 : if (app == NULL || !daemon_local->msg.extendedheader) {
5317 : return keep_message;
5318 : }
5319 :
5320 : DltMessage* msg = &daemon_local->msg;
5321 : const int mtin = DLT_GET_MSIN_MTIN(msg->extendedheader->msin);
5322 :
5323 : struct DltTraceLoadLogParams params = {
5324 : daemon,
5325 : daemon_local,
5326 : verbose,
5327 : app->apid,
5328 : };
5329 :
5330 : DltDaemonContext *context = dlt_daemon_context_find(
5331 : daemon,
5332 : app->apid,
5333 : msg->extendedheader->ctid,
5334 : daemon->ecuid,
5335 : verbose);
5336 :
5337 :
5338 : if (context == NULL) {
5339 : context = dlt_daemon_context_add(
5340 : daemon,
5341 : app->apid,
5342 : msg->extendedheader->ctid,
5343 : daemon->default_log_level,
5344 : daemon->default_trace_status,
5345 : 0,
5346 : app->user_handle,
5347 : "",
5348 : daemon->ecuid,
5349 : verbose);
5350 : if (context == NULL) {
5351 : dlt_vlog(LOG_WARNING,
5352 : "Can't add ContextID '%.4s' for ApID '%.4s' in %s\n",
5353 : msg->extendedheader->ctid, app->apid, __func__);
5354 : return false;
5355 : }
5356 : }
5357 :
5358 : pthread_rwlock_wrlock(&trace_load_rw_lock);
5359 : keep_message = dlt_check_trace_load(
5360 : context->trace_load_settings, mtin, msg->headerextra.tmsp, size,
5361 : dlt_daemon_output_internal_msg, (void *)(¶ms));
5362 : pthread_rwlock_unlock(&trace_load_rw_lock);
5363 :
5364 : return keep_message;
5365 : }
5366 : #endif
5367 :
5368 0 : int dlt_daemon_process_user_message_set_app_ll_ts(DltDaemon *daemon,
5369 : DltDaemonLocal *daemon_local,
5370 : DltReceiver *rec,
5371 : int verbose)
5372 : {
5373 : uint32_t len = sizeof(DltUserControlMsgAppLogLevelTraceStatus);
5374 : DltUserControlMsgAppLogLevelTraceStatus userctxt;
5375 : DltDaemonApplication *application;
5376 : DltDaemonContext *context;
5377 : int i, offset_base;
5378 : int8_t old_log_level, old_trace_status;
5379 : DltDaemonRegisteredUsers *user_list = NULL;
5380 :
5381 0 : PRINT_FUNCTION_VERBOSE(verbose);
5382 :
5383 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
5384 0 : dlt_vlog(LOG_ERR,
5385 : "Invalid function parameters used for %s\n",
5386 : __func__);
5387 0 : return DLT_RETURN_ERROR;
5388 : }
5389 :
5390 0 : user_list = dlt_daemon_find_users_list(daemon, daemon->ecuid, verbose);
5391 :
5392 0 : if (user_list == NULL)
5393 : return DLT_RETURN_ERROR;
5394 :
5395 : memset(&userctxt, 0, len);
5396 :
5397 0 : if (dlt_receiver_check_and_get(rec,
5398 : &userctxt,
5399 : len,
5400 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
5401 : /* Not enough bytes received */
5402 : return DLT_RETURN_ERROR;
5403 :
5404 0 : if (user_list->num_applications > 0) {
5405 : /* Get all contexts with application id matching the received application id */
5406 0 : application = dlt_daemon_application_find(daemon,
5407 : userctxt.apid,
5408 : daemon->ecuid,
5409 : verbose);
5410 :
5411 0 : if (application) {
5412 : /* Calculate start offset within contexts[] */
5413 : offset_base = 0;
5414 :
5415 0 : for (i = 0; i < (application - (user_list->applications)); i++)
5416 0 : offset_base += user_list->applications[i].num_contexts;
5417 :
5418 0 : for (i = 0; i < application->num_contexts; i++) {
5419 0 : context = &(user_list->contexts[offset_base + i]);
5420 :
5421 0 : if (context) {
5422 0 : old_log_level = context->log_level;
5423 0 : context->log_level = (int8_t) userctxt.log_level; /* No endianess conversion necessary*/
5424 :
5425 0 : old_trace_status = context->trace_status;
5426 0 : context->trace_status = (int8_t) userctxt.trace_status; /* No endianess conversion necessary */
5427 :
5428 : /* The following function sends also the trace status */
5429 0 : if ((context->user_handle >= DLT_FD_MINIMUM) &&
5430 0 : (dlt_daemon_user_send_log_level(daemon,
5431 : context,
5432 : verbose) != 0)) {
5433 0 : context->log_level = old_log_level;
5434 0 : context->trace_status = old_trace_status;
5435 : }
5436 : }
5437 : }
5438 : }
5439 : }
5440 :
5441 : return DLT_RETURN_OK;
5442 : }
5443 :
5444 0 : int dlt_daemon_process_user_message_log_mode(DltDaemon *daemon,
5445 : DltDaemonLocal *daemon_local,
5446 : DltReceiver *rec,
5447 : int verbose)
5448 : {
5449 : DltUserControlMsgLogMode userctxt;
5450 : uint32_t len = sizeof(DltUserControlMsgLogMode);
5451 :
5452 0 : PRINT_FUNCTION_VERBOSE(verbose);
5453 :
5454 0 : if ((daemon == 0) || (daemon_local == 0)) {
5455 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_process_log_mode()\n");
5456 0 : return -1;
5457 : }
5458 :
5459 : memset(&userctxt, 0, len);
5460 :
5461 0 : if (dlt_receiver_check_and_get(rec,
5462 : &userctxt,
5463 : len,
5464 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
5465 : /* Not enough bytes received */
5466 : return -1;
5467 :
5468 : /* set the new log mode */
5469 0 : daemon->mode = userctxt.log_mode;
5470 :
5471 : /* write configuration persistantly */
5472 0 : dlt_daemon_configuration_save(daemon, daemon->runtime_configuration, verbose);
5473 :
5474 0 : return 0;
5475 : }
5476 :
5477 0 : int dlt_daemon_process_user_message_marker(DltDaemon *daemon,
5478 : DltDaemonLocal *daemon_local,
5479 : DltReceiver *rec,
5480 : int verbose)
5481 : {
5482 : uint32_t len = sizeof(DltUserControlMsgLogMode);
5483 : DltUserControlMsgLogMode userctxt;
5484 0 : PRINT_FUNCTION_VERBOSE(verbose);
5485 :
5486 0 : if ((daemon == NULL) || (daemon_local == NULL) || (rec == NULL)) {
5487 0 : dlt_vlog(LOG_ERR, "Invalid function parameters used for %s\n",
5488 : __func__);
5489 0 : return -1;
5490 : }
5491 :
5492 : memset(&userctxt, 0, len);
5493 :
5494 0 : if (dlt_receiver_check_and_get(rec,
5495 : &userctxt,
5496 : len,
5497 : DLT_RCV_SKIP_HEADER | DLT_RCV_REMOVE) < 0)
5498 : /* Not enough bytes received */
5499 : return -1;
5500 :
5501 : /* Create automatic unregister context response for unregistered context */
5502 0 : dlt_daemon_control_message_marker(DLT_DAEMON_SEND_TO_ALL, daemon, daemon_local, verbose);
5503 :
5504 0 : return 0;
5505 : }
5506 :
5507 0 : int dlt_daemon_send_ringbuffer_to_client(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
5508 : {
5509 : int ret;
5510 : static uint8_t data[DLT_DAEMON_RCVBUFSIZE];
5511 : int length;
5512 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
5513 : uint32_t curr_time = 0U;
5514 : #endif
5515 :
5516 0 : PRINT_FUNCTION_VERBOSE(verbose);
5517 :
5518 0 : if ((daemon == 0) || (daemon_local == 0)) {
5519 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_send_ringbuffer_to_client()\n");
5520 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5521 : }
5522 :
5523 0 : if (dlt_buffer_get_message_count(&(daemon->client_ringbuffer)) <= 0) {
5524 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_DIRECT);
5525 0 : return DLT_DAEMON_ERROR_OK;
5526 : }
5527 :
5528 0 : while ((length = dlt_buffer_copy(&(daemon->client_ringbuffer), data, sizeof(data))) > 0) {
5529 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
5530 : dlt_daemon_trigger_systemd_watchdog_if_necessary(daemon);
5531 : #endif
5532 :
5533 0 : if ((ret =
5534 0 : dlt_daemon_client_send(DLT_DAEMON_SEND_FORCE, daemon, daemon_local, 0, 0, data, length, 0, 0,
5535 : verbose)))
5536 0 : return ret;
5537 :
5538 0 : dlt_buffer_remove(&(daemon->client_ringbuffer));
5539 :
5540 0 : if (daemon->state != DLT_DAEMON_STATE_SEND_BUFFER)
5541 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_BUFFER);
5542 :
5543 0 : if (dlt_buffer_get_message_count(&(daemon->client_ringbuffer)) <= 0) {
5544 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_DIRECT);
5545 0 : return DLT_DAEMON_ERROR_OK;
5546 : }
5547 : }
5548 :
5549 : return DLT_DAEMON_ERROR_OK;
5550 : }
5551 :
5552 0 : int dlt_daemon_send_ringbuffer_to_client_v2(DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
5553 : {
5554 : int ret;
5555 : static uint8_t data[DLT_DAEMON_RCVBUFSIZE];
5556 : int length;
5557 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
5558 : uint32_t curr_time = 0U;
5559 : #endif
5560 :
5561 0 : PRINT_FUNCTION_VERBOSE(verbose);
5562 :
5563 0 : if ((daemon == 0) || (daemon_local == 0)) {
5564 0 : dlt_log(LOG_ERR, "Invalid function parameters used for function dlt_daemon_send_ringbuffer_to_client()\n");
5565 0 : return DLT_DAEMON_ERROR_UNKNOWN;
5566 : }
5567 :
5568 0 : if (dlt_buffer_get_message_count(&(daemon->client_ringbuffer)) <= 0) {
5569 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_DIRECT);
5570 0 : return DLT_DAEMON_ERROR_OK;
5571 : }
5572 :
5573 0 : while ((length = dlt_buffer_copy(&(daemon->client_ringbuffer), data, sizeof(data))) > 0) {
5574 : #ifdef DLT_SYSTEMD_WATCHDOG_ENABLE
5575 : dlt_daemon_trigger_systemd_watchdog_if_necessary(daemon);
5576 : #endif
5577 :
5578 0 : if ((ret =
5579 0 : dlt_daemon_client_send_v2(DLT_DAEMON_SEND_FORCE, daemon, daemon_local, 0, 0, data, length, 0, 0,
5580 : verbose)))
5581 0 : return ret;
5582 :
5583 0 : dlt_buffer_remove(&(daemon->client_ringbuffer));
5584 :
5585 0 : if (daemon->state != DLT_DAEMON_STATE_SEND_BUFFER)
5586 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_BUFFER);
5587 :
5588 0 : if (dlt_buffer_get_message_count(&(daemon->client_ringbuffer)) <= 0) {
5589 0 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_SEND_DIRECT);
5590 0 : return DLT_DAEMON_ERROR_OK;
5591 : }
5592 : }
5593 :
5594 : return DLT_DAEMON_ERROR_OK;
5595 : }
5596 :
5597 : #ifdef __QNX__
5598 : static void *timer_thread(void *data)
5599 : {
5600 : int pexit = 0;
5601 : unsigned int sleep_ret = 0;
5602 :
5603 : DltDaemonPeriodicData* timer_thread_data = (DltDaemonPeriodicData*) data;
5604 :
5605 : /* Timer will start in starts_in sec*/
5606 : if ((sleep_ret = sleep(timer_thread_data->starts_in))) {
5607 : dlt_vlog(LOG_NOTICE, "Sleep remains [%u] for starting!"
5608 : "Stop thread of timer [%d]\n",
5609 : sleep_ret, timer_thread_data->timer_id);
5610 : close_pipes(dlt_timer_pipes[timer_thread_data->timer_id]);
5611 : return NULL;
5612 : }
5613 :
5614 : while (1) {
5615 : if ((dlt_timer_pipes[timer_thread_data->timer_id][1] > 0) &&
5616 : (0 > write(dlt_timer_pipes[timer_thread_data->timer_id][1], "1", 1))) {
5617 : dlt_vlog(LOG_ERR, "Failed to send notification for timer [%s]!\n",
5618 : dlt_timer_names[timer_thread_data->timer_id]);
5619 : pexit = 1;
5620 : }
5621 :
5622 : if (pexit || g_exit) {
5623 : dlt_vlog(LOG_NOTICE, "Received signal!"
5624 : "Stop thread of timer [%d]\n",
5625 : timer_thread_data->timer_id);
5626 : close_pipes(dlt_timer_pipes[timer_thread_data->timer_id]);
5627 : return NULL;
5628 : }
5629 :
5630 : if ((sleep_ret = sleep(timer_thread_data->period_sec))) {
5631 : dlt_vlog(LOG_NOTICE, "Sleep remains [%u] for interval!"
5632 : "Stop thread of timer [%d]\n",
5633 : sleep_ret, timer_thread_data->timer_id);
5634 : close_pipes(dlt_timer_pipes[timer_thread_data->timer_id]);
5635 : return NULL;
5636 : }
5637 : }
5638 : }
5639 : #endif
5640 :
5641 1 : int create_timer_fd(DltDaemonLocal *daemon_local,
5642 : int period_sec,
5643 : int starts_in,
5644 : DltTimers timer_id)
5645 : {
5646 : int local_fd = DLT_FD_INIT;
5647 : char *timer_name = NULL;
5648 :
5649 1 : if (timer_id >= DLT_TIMER_UNKNOWN) {
5650 0 : dlt_log(DLT_LOG_ERROR, "Unknown timer.");
5651 0 : return -1;
5652 : }
5653 :
5654 1 : timer_name = dlt_timer_names[timer_id];
5655 :
5656 1 : if (daemon_local == NULL) {
5657 0 : dlt_log(DLT_LOG_ERROR, "Daemon local structure is NULL");
5658 0 : return -1;
5659 : }
5660 :
5661 1 : if ((period_sec <= 0) || (starts_in <= 0)) {
5662 : /* timer not activated via the service file */
5663 0 : dlt_vlog(LOG_INFO, "<%s> not set: period=0\n", timer_name);
5664 : local_fd = DLT_FD_INIT;
5665 : }
5666 : else {
5667 : #ifdef linux
5668 : struct itimerspec l_timer_spec;
5669 1 : local_fd = timerfd_create(CLOCK_MONOTONIC, 0);
5670 :
5671 1 : if (local_fd < 0)
5672 0 : dlt_vlog(LOG_WARNING, "<%s> timerfd_create failed: %s\n",
5673 0 : timer_name, strerror(errno));
5674 :
5675 1 : l_timer_spec.it_interval.tv_sec = period_sec;
5676 1 : l_timer_spec.it_interval.tv_nsec = 0;
5677 1 : l_timer_spec.it_value.tv_sec = starts_in;
5678 1 : l_timer_spec.it_value.tv_nsec = 0;
5679 :
5680 1 : if (timerfd_settime(local_fd, 0, &l_timer_spec, NULL) < 0) {
5681 0 : dlt_vlog(LOG_WARNING, "<%s> timerfd_settime failed: %s\n",
5682 0 : timer_name, strerror(errno));
5683 : local_fd = DLT_FD_INIT;
5684 : }
5685 : #elif __QNX__
5686 : /*
5687 : * Since timerfd is not valid in QNX, new threads are introduced
5688 : * to manage timers and communicate with main thread when timer expires.
5689 : */
5690 : if(0 != pipe(dlt_timer_pipes[timer_id])) {
5691 : dlt_vlog(LOG_ERR, "Failed to create pipe for timer [%s]",
5692 : dlt_timer_names[timer_id]);
5693 : return -1;
5694 : }
5695 : if (NULL == timer_data[timer_id]) {
5696 : timer_data[timer_id] = calloc(1, sizeof(DltDaemonPeriodicData));
5697 : if (NULL == timer_data[timer_id]) {
5698 : dlt_vlog(LOG_ERR, "Failed to allocate memory for timer_data [%s]!\n",
5699 : dlt_timer_names[timer_id]);
5700 : close_pipes(dlt_timer_pipes[timer_id]);
5701 : return -1;
5702 : }
5703 : }
5704 :
5705 : timer_data[timer_id]->timer_id = timer_id;
5706 : timer_data[timer_id]->period_sec = period_sec;
5707 : timer_data[timer_id]->starts_in = starts_in;
5708 : timer_data[timer_id]->wakeups_missed = 0;
5709 :
5710 : if (0 != pthread_create(&timer_threads[timer_id], NULL,
5711 : &timer_thread, (void*)timer_data[timer_id])) {
5712 : dlt_vlog(LOG_ERR, "Failed to create new thread for timer [%s]!\n",
5713 : dlt_timer_names[timer_id]);
5714 : /* Clean up timer before returning */
5715 : close_pipes(dlt_timer_pipes[timer_id]);
5716 : free(timer_data[timer_id]);
5717 : timer_data[timer_id] = NULL;
5718 :
5719 : return -1;
5720 : }
5721 : local_fd = dlt_timer_pipes[timer_id][0];
5722 : #endif
5723 : }
5724 :
5725 1 : return dlt_connection_create(daemon_local,
5726 : &daemon_local->pEvent,
5727 : local_fd,
5728 : POLLIN,
5729 1 : dlt_timer_conn_types[timer_id]);
5730 : }
5731 :
5732 : /* Close connection function */
5733 1 : int dlt_daemon_close_socket(int sock, DltDaemon *daemon, DltDaemonLocal *daemon_local, int verbose)
5734 : {
5735 1 : char local_str[DLT_DAEMON_TEXTBUFSIZE] = { '\0' };
5736 :
5737 1 : PRINT_FUNCTION_VERBOSE(verbose);
5738 :
5739 1 : if ((daemon_local == NULL) || (daemon == NULL)) {
5740 0 : dlt_log(LOG_ERR, "dlt_daemon_close_socket: Invalid input parmeters\n");
5741 0 : return -1;
5742 : }
5743 :
5744 : /* Closure is done while unregistering has for any connection */
5745 1 : dlt_event_handler_unregister_connection(&daemon_local->pEvent,
5746 : daemon_local,
5747 : sock);
5748 :
5749 1 : if (daemon_local->client_connections == 0) {
5750 : /* send new log state to all applications */
5751 1 : daemon->connectionState = 0;
5752 :
5753 1 : if (daemon->daemon_version == DLTProtocolV2) {
5754 0 : dlt_daemon_user_send_all_log_state_v2(daemon, verbose);
5755 1 : } else if (daemon->daemon_version == DLTProtocolV1) {
5756 1 : dlt_daemon_user_send_all_log_state(daemon, verbose);
5757 : } else {
5758 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
5759 0 : return -1;
5760 : }
5761 :
5762 : /* For offline tracing we still can use the same states */
5763 : /* as for socket sending. Using this trick we see the traces */
5764 : /* In the offline trace AND in the socket stream. */
5765 1 : if (daemon_local->flags.yvalue[0] == 0)
5766 1 : dlt_daemon_change_state(daemon, DLT_DAEMON_STATE_BUFFER);
5767 : }
5768 :
5769 1 : if (daemon->daemon_version == DLTProtocolV2) {
5770 0 : dlt_daemon_control_message_connection_info_v2(DLT_DAEMON_SEND_TO_ALL,
5771 : daemon,
5772 : daemon_local,
5773 : DLT_CONNECTION_STATUS_DISCONNECTED,
5774 : "",
5775 : verbose);
5776 1 : } else if (daemon->daemon_version == DLTProtocolV1) {
5777 1 : dlt_daemon_control_message_connection_info(DLT_DAEMON_SEND_TO_ALL,
5778 : daemon,
5779 : daemon_local,
5780 : DLT_CONNECTION_STATUS_DISCONNECTED,
5781 : "",
5782 : verbose);
5783 : } else {
5784 0 : dlt_vlog(LOG_ERR, "Unsupported DLT version %u in %s\n", daemon->daemon_version, __func__);
5785 0 : return -1;
5786 : }
5787 :
5788 1 : snprintf(local_str, DLT_DAEMON_TEXTBUFSIZE,
5789 : "Client connection #%d closed. Total Clients : %d",
5790 : sock,
5791 : daemon_local->client_connections);
5792 1 : dlt_daemon_log_internal(daemon, daemon_local, local_str, DLT_LOG_INFO,
5793 : DLT_DAEMON_APP_ID, DLT_DAEMON_CTX_ID,
5794 : daemon_local->flags.vflag);
5795 1 : dlt_vlog(LOG_DEBUG, "%s%s", local_str, "\n");
5796 :
5797 1 : return 0;
5798 : }
5799 :
5800 : #ifdef DLT_TRACE_LOAD_CTRL_ENABLE
5801 :
5802 : static DltReturnValue dlt_daemon_output_internal_msg(
5803 : const DltLogLevelType loglevel, const char *const text, void* const params) {
5804 : struct DltTraceLoadLogParams* log_params = (struct DltTraceLoadLogParams*)params;
5805 : return dlt_daemon_log_internal(
5806 : log_params->daemon, log_params->daemon_local, (char *)text, loglevel,
5807 : log_params->app_id, DLT_TRACE_LOAD_CONTEXT_ID, log_params->verbose);
5808 : }
5809 : #endif
5810 :
5811 :
5812 : /**
5813 : \}
5814 : */
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