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274a4a44 | 1 | /* |
274a4a44 | 2 | * Logging of zebra |
718e3744 | 3 | * Copyright (C) 1997, 1998, 1999 Kunihiro Ishiguro |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
ab0181ee | 23 | #define FRR_DEFINE_DESC_TABLE |
e0ca5fde | 24 | |
718e3744 | 25 | #include <zebra.h> |
26 | ||
8613585e | 27 | #include "zclient.h" |
718e3744 | 28 | #include "log.h" |
deaa50db | 29 | #include "log_int.h" |
718e3744 | 30 | #include "memory.h" |
31 | #include "command.h" | |
7d149b8e | 32 | #ifndef SUNOS_5 |
33 | #include <sys/un.h> | |
34 | #endif | |
30a2231a PJ |
35 | /* for printstack on solaris */ |
36 | #ifdef HAVE_UCONTEXT_H | |
37 | #include <ucontext.h> | |
38 | #endif | |
718e3744 | 39 | |
4a1ab8e4 DL |
40 | DEFINE_MTYPE_STATIC(LIB, ZLOG, "Logging") |
41 | ||
c4c7d0c4 | 42 | static int logfile_fd = -1; /* Used in signal handler. */ |
1e221354 | 43 | |
718e3744 | 44 | struct zlog *zlog_default = NULL; |
45 | ||
718e3744 | 46 | const char *zlog_priority[] = |
47 | { | |
48 | "emergencies", | |
49 | "alerts", | |
50 | "critical", | |
51 | "errors", | |
52 | "warnings", | |
53 | "notifications", | |
54 | "informational", | |
55 | "debugging", | |
56 | NULL, | |
57 | }; | |
718e3744 | 58 | |
7a49a5b5 DS |
59 | /* |
60 | * write_wrapper | |
61 | * | |
62 | * glibc has declared that the return value from write *must* not be | |
63 | * ignored. | |
64 | * gcc see's this problem and issues a warning for the line. | |
65 | * | |
66 | * Why is this a big deal you say? Because both of them are right | |
67 | * and if you have -Werror enabled then all calls to write | |
68 | * generate a build error and the build stops. | |
69 | * | |
70 | * clang has helpfully allowed this construct: | |
71 | * (void)write(...) | |
72 | * to tell the compiler yeah I know it has a return value | |
73 | * I don't care about it at this time. | |
74 | * gcc doesn't have this ability. | |
75 | * | |
76 | * This code was written such that it didn't care about the | |
77 | * return value from write. At this time do I want | |
78 | * to go through and fix and test this code for correctness. | |
79 | * So just wrapper the bad behavior and move on. | |
80 | */ | |
81 | static void write_wrapper (int fd, const void *buf, size_t count) | |
82 | { | |
83 | if (write (fd, buf, count) <= 0) | |
84 | return; | |
85 | ||
86 | return; | |
87 | } | |
6b0655a2 | 88 | |
5e882cab QY |
89 | /** |
90 | * Looks up a message in a message list by key. | |
91 | * | |
92 | * If the message is not found, returns the provided error message. | |
93 | * | |
94 | * Terminates when it hits a struct message that's all zeros. | |
95 | * | |
96 | * @param mz the message list | |
97 | * @param kz the message key | |
98 | * @param nf the message to return if not found | |
99 | * @return the message | |
100 | */ | |
101 | const char * | |
102 | lookup_msg(const struct message *mz, int kz, const char *nf) | |
103 | { | |
104 | static struct message nt = { 0 }; | |
105 | const char *rz = nf ? nf : "(no message found)"; | |
106 | const struct message *pnt; | |
107 | for (pnt = mz; memcmp(pnt, &nt, sizeof(struct message)); pnt++) | |
108 | if (pnt->key == kz) { | |
109 | rz = pnt->str ? pnt->str : rz; | |
110 | break; | |
111 | } | |
112 | return rz; | |
113 | } | |
718e3744 | 114 | |
5e882cab | 115 | /* For time string format. */ |
1ed72e0b AS |
116 | size_t |
117 | quagga_timestamp(int timestamp_precision, char *buf, size_t buflen) | |
718e3744 | 118 | { |
1ed72e0b AS |
119 | static struct { |
120 | time_t last; | |
121 | size_t len; | |
122 | char buf[28]; | |
123 | } cache; | |
124 | struct timeval clock; | |
125 | ||
1ed72e0b AS |
126 | gettimeofday(&clock, NULL); |
127 | ||
128 | /* first, we update the cache if the time has changed */ | |
129 | if (cache.last != clock.tv_sec) | |
130 | { | |
131 | struct tm *tm; | |
132 | cache.last = clock.tv_sec; | |
133 | tm = localtime(&cache.last); | |
134 | cache.len = strftime(cache.buf, sizeof(cache.buf), | |
135 | "%Y/%m/%d %H:%M:%S", tm); | |
136 | } | |
137 | /* note: it's not worth caching the subsecond part, because | |
138 | chances are that back-to-back calls are not sufficiently close together | |
139 | for the clock not to have ticked forward */ | |
718e3744 | 140 | |
1ed72e0b AS |
141 | if (buflen > cache.len) |
142 | { | |
143 | memcpy(buf, cache.buf, cache.len); | |
144 | if ((timestamp_precision > 0) && | |
145 | (buflen > cache.len+1+timestamp_precision)) | |
146 | { | |
147 | /* should we worry about locale issues? */ | |
bcdda30b AS |
148 | static const int divisor[] = {0, 100000, 10000, 1000, 100, 10, 1}; |
149 | int prec; | |
150 | char *p = buf+cache.len+1+(prec = timestamp_precision); | |
151 | *p-- = '\0'; | |
152 | while (prec > 6) | |
153 | /* this is unlikely to happen, but protect anyway */ | |
154 | { | |
155 | *p-- = '0'; | |
156 | prec--; | |
157 | } | |
158 | clock.tv_usec /= divisor[prec]; | |
1ed72e0b AS |
159 | do |
160 | { | |
bcdda30b AS |
161 | *p-- = '0'+(clock.tv_usec % 10); |
162 | clock.tv_usec /= 10; | |
1ed72e0b | 163 | } |
bcdda30b AS |
164 | while (--prec > 0); |
165 | *p = '.'; | |
166 | return cache.len+1+timestamp_precision; | |
1ed72e0b AS |
167 | } |
168 | buf[cache.len] = '\0'; | |
169 | return cache.len; | |
170 | } | |
171 | if (buflen > 0) | |
172 | buf[0] = '\0'; | |
173 | return 0; | |
174 | } | |
718e3744 | 175 | |
1ed72e0b AS |
176 | /* Utility routine for current time printing. */ |
177 | static void | |
178 | time_print(FILE *fp, struct timestamp_control *ctl) | |
179 | { | |
180 | if (!ctl->already_rendered) | |
181 | { | |
182 | ctl->len = quagga_timestamp(ctl->precision, ctl->buf, sizeof(ctl->buf)); | |
183 | ctl->already_rendered = 1; | |
184 | } | |
185 | fprintf(fp, "%s ", ctl->buf); | |
718e3744 | 186 | } |
1ed72e0b | 187 | |
6b0655a2 | 188 | |
718e3744 | 189 | /* va_list version of zlog. */ |
eac6e3f0 | 190 | void |
bb85d700 | 191 | vzlog (int priority, const char *format, va_list args) |
718e3744 | 192 | { |
7c8ff89e | 193 | char proto_str[32]; |
d8efb772 | 194 | int original_errno = errno; |
1ed72e0b AS |
195 | struct timestamp_control tsctl; |
196 | tsctl.already_rendered = 0; | |
bb85d700 | 197 | struct zlog *zl = zlog_default; |
718e3744 | 198 | |
199 | /* When zlog_default is also NULL, use stderr for logging. */ | |
200 | if (zl == NULL) | |
201 | { | |
1ed72e0b AS |
202 | tsctl.precision = 0; |
203 | time_print(stderr, &tsctl); | |
718e3744 | 204 | fprintf (stderr, "%s: ", "unknown"); |
d246bd96 | 205 | vfprintf (stderr, format, args); |
718e3744 | 206 | fprintf (stderr, "\n"); |
207 | fflush (stderr); | |
208 | ||
209 | /* In this case we return at here. */ | |
d8efb772 | 210 | errno = original_errno; |
718e3744 | 211 | return; |
212 | } | |
1ed72e0b | 213 | tsctl.precision = zl->timestamp_precision; |
718e3744 | 214 | |
718e3744 | 215 | /* Syslog output */ |
274a4a44 | 216 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) |
d246bd96 | 217 | { |
218 | va_list ac; | |
219 | va_copy(ac, args); | |
220 | vsyslog (priority|zlog_default->facility, format, ac); | |
221 | va_end(ac); | |
222 | } | |
718e3744 | 223 | |
7c8ff89e | 224 | if (zl->instance) |
bf1013e6 | 225 | sprintf (proto_str, "%s[%d]: ", zl->protoname, zl->instance); |
7c8ff89e | 226 | else |
bf1013e6 | 227 | sprintf (proto_str, "%s: ", zl->protoname); |
7c8ff89e | 228 | |
718e3744 | 229 | /* File output. */ |
274a4a44 | 230 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) |
718e3744 | 231 | { |
d246bd96 | 232 | va_list ac; |
1ed72e0b | 233 | time_print (zl->fp, &tsctl); |
b04c699e | 234 | if (zl->record_priority) |
235 | fprintf (zl->fp, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 236 | fprintf (zl->fp, "%s", proto_str); |
d246bd96 | 237 | va_copy(ac, args); |
238 | vfprintf (zl->fp, format, ac); | |
239 | va_end(ac); | |
718e3744 | 240 | fprintf (zl->fp, "\n"); |
241 | fflush (zl->fp); | |
242 | } | |
243 | ||
244 | /* stdout output. */ | |
274a4a44 | 245 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) |
718e3744 | 246 | { |
d246bd96 | 247 | va_list ac; |
1ed72e0b | 248 | time_print (stdout, &tsctl); |
b04c699e | 249 | if (zl->record_priority) |
250 | fprintf (stdout, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 251 | fprintf (stdout, "%s", proto_str); |
d246bd96 | 252 | va_copy(ac, args); |
253 | vfprintf (stdout, format, ac); | |
254 | va_end(ac); | |
718e3744 | 255 | fprintf (stdout, "\n"); |
256 | fflush (stdout); | |
257 | } | |
258 | ||
718e3744 | 259 | /* Terminal monitor. */ |
274a4a44 | 260 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) |
261 | vty_log ((zl->record_priority ? zlog_priority[priority] : NULL), | |
7c8ff89e | 262 | proto_str, format, &tsctl, args); |
d8efb772 CF |
263 | |
264 | errno = original_errno; | |
718e3744 | 265 | } |
266 | ||
65efcfce | 267 | int |
dd8376fe | 268 | vzlog_test (int priority) |
65efcfce | 269 | { |
dd8376fe | 270 | struct zlog *zl = zlog_default; |
65efcfce LB |
271 | |
272 | /* When zlog_default is also NULL, use stderr for logging. */ | |
273 | if (zl == NULL) | |
274 | { | |
275 | return 1; | |
276 | } | |
277 | ||
278 | /* Syslog output */ | |
279 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) | |
280 | { | |
281 | return 1; | |
282 | } | |
283 | ||
284 | /* File output. */ | |
285 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) | |
286 | { | |
287 | return 1; | |
288 | } | |
289 | ||
290 | /* stdout output. */ | |
291 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) | |
292 | { | |
293 | return 1; | |
294 | } | |
295 | ||
296 | /* Terminal monitor. */ | |
297 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) | |
298 | return 1; | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
59a06a91 | 303 | static char * |
304 | str_append(char *dst, int len, const char *src) | |
305 | { | |
306 | while ((len-- > 0) && *src) | |
307 | *dst++ = *src++; | |
308 | return dst; | |
309 | } | |
310 | ||
311 | static char * | |
312 | num_append(char *s, int len, u_long x) | |
313 | { | |
314 | char buf[30]; | |
7d149b8e | 315 | char *t; |
59a06a91 | 316 | |
7d149b8e | 317 | if (!x) |
318 | return str_append(s,len,"0"); | |
319 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
59a06a91 | 320 | while (x && (t > buf)) |
321 | { | |
322 | *--t = '0'+(x % 10); | |
323 | x /= 10; | |
324 | } | |
325 | return str_append(s,len,t); | |
326 | } | |
327 | ||
fb66b29c | 328 | #if defined(SA_SIGINFO) || defined(HAVE_STACK_TRACE) |
7d149b8e | 329 | static char * |
330 | hex_append(char *s, int len, u_long x) | |
331 | { | |
332 | char buf[30]; | |
333 | char *t; | |
334 | ||
335 | if (!x) | |
336 | return str_append(s,len,"0"); | |
337 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
338 | while (x && (t > buf)) | |
339 | { | |
340 | u_int cc = (x % 16); | |
341 | *--t = ((cc < 10) ? ('0'+cc) : ('a'+cc-10)); | |
342 | x /= 16; | |
343 | } | |
344 | return str_append(s,len,t); | |
345 | } | |
31364274 | 346 | #endif |
7d149b8e | 347 | |
7d149b8e | 348 | /* Needs to be enhanced to support Solaris. */ |
349 | static int | |
350 | syslog_connect(void) | |
351 | { | |
352 | #ifdef SUNOS_5 | |
353 | return -1; | |
354 | #else | |
355 | int fd; | |
356 | char *s; | |
357 | struct sockaddr_un addr; | |
358 | ||
359 | if ((fd = socket(AF_UNIX,SOCK_DGRAM,0)) < 0) | |
360 | return -1; | |
361 | addr.sun_family = AF_UNIX; | |
362 | #ifdef _PATH_LOG | |
363 | #define SYSLOG_SOCKET_PATH _PATH_LOG | |
364 | #else | |
365 | #define SYSLOG_SOCKET_PATH "/dev/log" | |
366 | #endif | |
367 | s = str_append(addr.sun_path,sizeof(addr.sun_path),SYSLOG_SOCKET_PATH); | |
368 | #undef SYSLOG_SOCKET_PATH | |
369 | *s = '\0'; | |
370 | if (connect(fd,(struct sockaddr *)&addr,sizeof(addr)) < 0) | |
371 | { | |
372 | close(fd); | |
373 | return -1; | |
374 | } | |
375 | return fd; | |
376 | #endif | |
377 | } | |
378 | ||
379 | static void | |
380 | syslog_sigsafe(int priority, const char *msg, size_t msglen) | |
381 | { | |
1e221354 | 382 | static int syslog_fd = -1; |
7d149b8e | 383 | char buf[sizeof("<1234567890>ripngd[1234567890]: ")+msglen+50]; |
384 | char *s; | |
385 | ||
386 | if ((syslog_fd < 0) && ((syslog_fd = syslog_connect()) < 0)) | |
387 | return; | |
388 | ||
389 | #define LOC s,buf+sizeof(buf)-s | |
390 | s = buf; | |
391 | s = str_append(LOC,"<"); | |
392 | s = num_append(LOC,priority); | |
393 | s = str_append(LOC,">"); | |
394 | /* forget about the timestamp, too difficult in a signal handler */ | |
395 | s = str_append(LOC,zlog_default->ident); | |
396 | if (zlog_default->syslog_options & LOG_PID) | |
397 | { | |
398 | s = str_append(LOC,"["); | |
399 | s = num_append(LOC,getpid()); | |
400 | s = str_append(LOC,"]"); | |
401 | } | |
402 | s = str_append(LOC,": "); | |
403 | s = str_append(LOC,msg); | |
7a49a5b5 | 404 | write_wrapper (syslog_fd,buf,s-buf); |
7d149b8e | 405 | #undef LOC |
406 | } | |
407 | ||
1e221354 | 408 | static int |
409 | open_crashlog(void) | |
410 | { | |
411 | #define CRASHLOG_PREFIX "/var/tmp/quagga." | |
412 | #define CRASHLOG_SUFFIX "crashlog" | |
413 | if (zlog_default && zlog_default->ident) | |
414 | { | |
415 | /* Avoid strlen since it is not async-signal-safe. */ | |
416 | const char *p; | |
417 | size_t ilen; | |
418 | ||
419 | for (p = zlog_default->ident, ilen = 0; *p; p++) | |
420 | ilen++; | |
421 | { | |
422 | char buf[sizeof(CRASHLOG_PREFIX)+ilen+sizeof(CRASHLOG_SUFFIX)+3]; | |
423 | char *s = buf; | |
424 | #define LOC s,buf+sizeof(buf)-s | |
425 | s = str_append(LOC, CRASHLOG_PREFIX); | |
426 | s = str_append(LOC, zlog_default->ident); | |
427 | s = str_append(LOC, "."); | |
428 | s = str_append(LOC, CRASHLOG_SUFFIX); | |
429 | #undef LOC | |
430 | *s = '\0'; | |
431 | return open(buf, O_WRONLY|O_CREAT|O_EXCL, LOGFILE_MASK); | |
432 | } | |
433 | } | |
434 | return open(CRASHLOG_PREFIX CRASHLOG_SUFFIX, O_WRONLY|O_CREAT|O_EXCL, | |
435 | LOGFILE_MASK); | |
436 | #undef CRASHLOG_SUFFIX | |
437 | #undef CRASHLOG_PREFIX | |
438 | } | |
439 | ||
7d149b8e | 440 | /* Note: the goal here is to use only async-signal-safe functions. */ |
59a06a91 | 441 | void |
31364274 | 442 | zlog_signal(int signo, const char *action |
443 | #ifdef SA_SIGINFO | |
444 | , siginfo_t *siginfo, void *program_counter | |
445 | #endif | |
446 | ) | |
59a06a91 | 447 | { |
448 | time_t now; | |
40abf239 | 449 | char buf[sizeof("DEFAULT: Received signal S at T (si_addr 0xP, PC 0xP); aborting...")+100]; |
59a06a91 | 450 | char *s = buf; |
7d149b8e | 451 | char *msgstart = buf; |
59a06a91 | 452 | #define LOC s,buf+sizeof(buf)-s |
453 | ||
454 | time(&now); | |
455 | if (zlog_default) | |
456 | { | |
bf1013e6 | 457 | s = str_append(LOC,zlog_default->protoname); |
59a06a91 | 458 | *s++ = ':'; |
459 | *s++ = ' '; | |
7d149b8e | 460 | msgstart = s; |
59a06a91 | 461 | } |
462 | s = str_append(LOC,"Received signal "); | |
463 | s = num_append(LOC,signo); | |
464 | s = str_append(LOC," at "); | |
465 | s = num_append(LOC,now); | |
31364274 | 466 | #ifdef SA_SIGINFO |
40abf239 | 467 | s = str_append(LOC," (si_addr 0x"); |
468 | s = hex_append(LOC,(u_long)(siginfo->si_addr)); | |
469 | if (program_counter) | |
470 | { | |
471 | s = str_append(LOC,", PC 0x"); | |
472 | s = hex_append(LOC,(u_long)program_counter); | |
473 | } | |
474 | s = str_append(LOC,"); "); | |
31364274 | 475 | #else /* SA_SIGINFO */ |
476 | s = str_append(LOC,"; "); | |
477 | #endif /* SA_SIGINFO */ | |
59a06a91 | 478 | s = str_append(LOC,action); |
7d149b8e | 479 | if (s < buf+sizeof(buf)) |
480 | *s++ = '\n'; | |
59a06a91 | 481 | |
274a4a44 | 482 | /* N.B. implicit priority is most severe */ |
1e221354 | 483 | #define PRI LOG_CRIT |
274a4a44 | 484 | |
7a49a5b5 | 485 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
1e221354 | 486 | /* If no file logging configured, try to write to fallback log file. */ |
c4c7d0c4 | 487 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
488 | DUMP(logfile_fd) | |
59a06a91 | 489 | if (!zlog_default) |
c4c7d0c4 | 490 | DUMP(STDERR_FILENO) |
59a06a91 | 491 | else |
492 | { | |
274a4a44 | 493 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 494 | DUMP(STDOUT_FILENO) |
274a4a44 | 495 | /* Remove trailing '\n' for monitor and syslog */ |
496 | *--s = '\0'; | |
497 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
498 | vty_log_fixed(buf,s-buf); | |
499 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
500 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
59a06a91 | 501 | } |
502 | #undef DUMP | |
503 | ||
31364274 | 504 | zlog_backtrace_sigsafe(PRI, |
505 | #ifdef SA_SIGINFO | |
506 | program_counter | |
507 | #else | |
508 | NULL | |
509 | #endif | |
510 | ); | |
d1265948 DL |
511 | |
512 | s = buf; | |
513 | if (!thread_current) | |
514 | s = str_append (LOC, "no thread information available\n"); | |
515 | else | |
516 | { | |
517 | s = str_append (LOC, "in thread "); | |
518 | s = str_append (LOC, thread_current->funcname); | |
519 | s = str_append (LOC, " scheduled from "); | |
520 | s = str_append (LOC, thread_current->schedfrom); | |
521 | s = str_append (LOC, ":"); | |
522 | s = num_append (LOC, thread_current->schedfrom_line); | |
523 | s = str_append (LOC, "\n"); | |
524 | } | |
525 | ||
69f30024 | 526 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
d1265948 DL |
527 | /* If no file logging configured, try to write to fallback log file. */ |
528 | if (logfile_fd >= 0) | |
529 | DUMP(logfile_fd) | |
530 | if (!zlog_default) | |
531 | DUMP(STDERR_FILENO) | |
532 | else | |
533 | { | |
534 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) | |
535 | DUMP(STDOUT_FILENO) | |
536 | /* Remove trailing '\n' for monitor and syslog */ | |
537 | *--s = '\0'; | |
538 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
539 | vty_log_fixed(buf,s-buf); | |
540 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
541 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
542 | } | |
543 | #undef DUMP | |
544 | ||
274a4a44 | 545 | #undef PRI |
063ee52a | 546 | #undef LOC |
547 | } | |
548 | ||
549 | /* Log a backtrace using only async-signal-safe functions. | |
550 | Needs to be enhanced to support syslog logging. */ | |
551 | void | |
239c26fd | 552 | zlog_backtrace_sigsafe(int priority, void *program_counter) |
063ee52a | 553 | { |
fb66b29c | 554 | #ifdef HAVE_STACK_TRACE |
239c26fd | 555 | static const char pclabel[] = "Program counter: "; |
94fc1dd4 | 556 | void *array[64]; |
063ee52a | 557 | int size; |
558 | char buf[100]; | |
94fc1dd4 | 559 | char *s, **bt = NULL; |
063ee52a | 560 | #define LOC s,buf+sizeof(buf)-s |
59a06a91 | 561 | |
fb66b29c | 562 | #ifdef HAVE_GLIBC_BACKTRACE |
4d474fa3 DL |
563 | size = backtrace(array, array_size(array)); |
564 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 565 | return; |
59a06a91 | 566 | |
1e221354 | 567 | #define DUMP(FD) { \ |
239c26fd | 568 | if (program_counter) \ |
569 | { \ | |
7a49a5b5 | 570 | write_wrapper(FD, pclabel, sizeof(pclabel)-1); \ |
1e221354 | 571 | backtrace_symbols_fd(&program_counter, 1, FD); \ |
239c26fd | 572 | } \ |
7a49a5b5 | 573 | write_wrapper(FD, buf, s-buf); \ |
1e221354 | 574 | backtrace_symbols_fd(array, size, FD); \ |
59a06a91 | 575 | } |
fb66b29c PJ |
576 | #elif defined(HAVE_PRINTSTACK) |
577 | #define DUMP(FD) { \ | |
578 | if (program_counter) \ | |
7a49a5b5 DS |
579 | write_wrapper((FD), pclabel, sizeof(pclabel)-1); \ |
580 | write_wrapper((FD), buf, s-buf); \ | |
fb66b29c PJ |
581 | printstack((FD)); \ |
582 | } | |
583 | #endif /* HAVE_GLIBC_BACKTRACE, HAVE_PRINTSTACK */ | |
584 | ||
585 | s = buf; | |
586 | s = str_append(LOC,"Backtrace for "); | |
587 | s = num_append(LOC,size); | |
588 | s = str_append(LOC," stack frames:\n"); | |
59a06a91 | 589 | |
c4c7d0c4 | 590 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
591 | DUMP(logfile_fd) | |
59a06a91 | 592 | if (!zlog_default) |
c4c7d0c4 | 593 | DUMP(STDERR_FILENO) |
59a06a91 | 594 | else |
595 | { | |
274a4a44 | 596 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 597 | DUMP(STDOUT_FILENO) |
274a4a44 | 598 | /* Remove trailing '\n' for monitor and syslog */ |
599 | *--s = '\0'; | |
600 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
601 | vty_log_fixed(buf,s-buf); | |
602 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
603 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); | |
604 | { | |
605 | int i; | |
94fc1dd4 SH |
606 | #ifdef HAVE_GLIBC_BACKTRACE |
607 | bt = backtrace_symbols(array, size); | |
608 | #endif | |
274a4a44 | 609 | /* Just print the function addresses. */ |
610 | for (i = 0; i < size; i++) | |
611 | { | |
612 | s = buf; | |
94fc1dd4 SH |
613 | if (bt) |
614 | s = str_append(LOC, bt[i]); | |
615 | else { | |
616 | s = str_append(LOC,"[bt "); | |
617 | s = num_append(LOC,i); | |
618 | s = str_append(LOC,"] 0x"); | |
619 | s = hex_append(LOC,(u_long)(array[i])); | |
620 | } | |
274a4a44 | 621 | *s = '\0'; |
622 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
623 | vty_log_fixed(buf,s-buf); | |
624 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
7d149b8e | 625 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); |
274a4a44 | 626 | } |
94fc1dd4 SH |
627 | if (bt) |
628 | free(bt); | |
274a4a44 | 629 | } |
59a06a91 | 630 | } |
631 | #undef DUMP | |
59a06a91 | 632 | #undef LOC |
fb66b29c | 633 | #endif /* HAVE_STRACK_TRACE */ |
063ee52a | 634 | } |
635 | ||
636 | void | |
637 | zlog_backtrace(int priority) | |
638 | { | |
639 | #ifndef HAVE_GLIBC_BACKTRACE | |
bb85d700 | 640 | zlog(priority, "No backtrace available on this platform."); |
063ee52a | 641 | #else |
642 | void *array[20]; | |
643 | int size, i; | |
644 | char **strings; | |
645 | ||
4d474fa3 DL |
646 | size = backtrace(array, array_size(array)); |
647 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 648 | { |
649 | zlog_err("Cannot get backtrace, returned invalid # of frames %d " | |
1ed72e0b | 650 | "(valid range is between 1 and %lu)", |
837d16cc | 651 | size, (unsigned long)(array_size(array))); |
063ee52a | 652 | return; |
653 | } | |
bb85d700 | 654 | zlog(priority, "Backtrace for %d stack frames:", size); |
063ee52a | 655 | if (!(strings = backtrace_symbols(array, size))) |
656 | { | |
657 | zlog_err("Cannot get backtrace symbols (out of memory?)"); | |
658 | for (i = 0; i < size; i++) | |
bb85d700 | 659 | zlog(priority, "[bt %d] %p",i,array[i]); |
063ee52a | 660 | } |
661 | else | |
662 | { | |
663 | for (i = 0; i < size; i++) | |
bb85d700 | 664 | zlog(priority, "[bt %d] %s",i,strings[i]); |
063ee52a | 665 | free(strings); |
666 | } | |
667 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
59a06a91 | 668 | } |
669 | ||
718e3744 | 670 | void |
bb85d700 | 671 | zlog (int priority, const char *format, ...) |
718e3744 | 672 | { |
d246bd96 | 673 | va_list args; |
718e3744 | 674 | |
d246bd96 | 675 | va_start(args, format); |
bb85d700 | 676 | vzlog (priority, format, args); |
d246bd96 | 677 | va_end (args); |
718e3744 | 678 | } |
679 | ||
d246bd96 | 680 | #define ZLOG_FUNC(FUNCNAME,PRIORITY) \ |
681 | void \ | |
682 | FUNCNAME(const char *format, ...) \ | |
683 | { \ | |
684 | va_list args; \ | |
685 | va_start(args, format); \ | |
bb85d700 | 686 | vzlog (PRIORITY, format, args); \ |
d246bd96 | 687 | va_end(args); \ |
718e3744 | 688 | } |
689 | ||
d246bd96 | 690 | ZLOG_FUNC(zlog_err, LOG_ERR) |
718e3744 | 691 | |
d246bd96 | 692 | ZLOG_FUNC(zlog_warn, LOG_WARNING) |
718e3744 | 693 | |
d246bd96 | 694 | ZLOG_FUNC(zlog_info, LOG_INFO) |
718e3744 | 695 | |
d246bd96 | 696 | ZLOG_FUNC(zlog_notice, LOG_NOTICE) |
718e3744 | 697 | |
d246bd96 | 698 | ZLOG_FUNC(zlog_debug, LOG_DEBUG) |
718e3744 | 699 | |
d246bd96 | 700 | #undef ZLOG_FUNC |
718e3744 | 701 | |
d1265948 DL |
702 | void zlog_thread_info (int log_level) |
703 | { | |
704 | if (thread_current) | |
bb85d700 | 705 | zlog(log_level, "Current thread function %s, scheduled from " |
d1265948 DL |
706 | "file %s, line %u", thread_current->funcname, |
707 | thread_current->schedfrom, thread_current->schedfrom_line); | |
708 | else | |
bb85d700 | 709 | zlog(log_level, "Current thread not known/applicable"); |
d1265948 DL |
710 | } |
711 | ||
cee3df1e | 712 | void |
713 | _zlog_assert_failed (const char *assertion, const char *file, | |
714 | unsigned int line, const char *function) | |
715 | { | |
c4c7d0c4 | 716 | /* Force fallback file logging? */ |
717 | if (zlog_default && !zlog_default->fp && | |
718 | ((logfile_fd = open_crashlog()) >= 0) && | |
719 | ((zlog_default->fp = fdopen(logfile_fd, "w")) != NULL)) | |
720 | zlog_default->maxlvl[ZLOG_DEST_FILE] = LOG_ERR; | |
bb85d700 | 721 | zlog(LOG_CRIT, "Assertion `%s' failed in file %s, line %u, function %s", |
1e221354 | 722 | assertion,file,line,(function ? function : "?")); |
723 | zlog_backtrace(LOG_CRIT); | |
d1265948 | 724 | zlog_thread_info(LOG_CRIT); |
65efcfce | 725 | log_memstats_stderr ("log"); |
cee3df1e | 726 | abort(); |
727 | } | |
728 | ||
3b4cd783 DL |
729 | void |
730 | memory_oom (size_t size, const char *name) | |
731 | { | |
732 | zlog_err("out of memory: failed to allocate %zu bytes for %s" | |
733 | "object", size, name); | |
734 | zlog_backtrace(LOG_ERR); | |
735 | abort(); | |
736 | } | |
6b0655a2 | 737 | |
718e3744 | 738 | /* Open log stream */ |
bf1013e6 DL |
739 | void |
740 | openzlog (const char *progname, const char *protoname, u_short instance, | |
718e3744 | 741 | int syslog_flags, int syslog_facility) |
742 | { | |
743 | struct zlog *zl; | |
274a4a44 | 744 | u_int i; |
718e3744 | 745 | |
274a4a44 | 746 | zl = XCALLOC(MTYPE_ZLOG, sizeof (struct zlog)); |
718e3744 | 747 | |
748 | zl->ident = progname; | |
bf1013e6 | 749 | zl->protoname = protoname; |
7c8ff89e | 750 | zl->instance = instance; |
718e3744 | 751 | zl->facility = syslog_facility; |
7d149b8e | 752 | zl->syslog_options = syslog_flags; |
718e3744 | 753 | |
274a4a44 | 754 | /* Set default logging levels. */ |
837d16cc | 755 | for (i = 0; i < array_size(zl->maxlvl); i++) |
274a4a44 | 756 | zl->maxlvl[i] = ZLOG_DISABLED; |
757 | zl->maxlvl[ZLOG_DEST_MONITOR] = LOG_DEBUG; | |
758 | zl->default_lvl = LOG_DEBUG; | |
759 | ||
718e3744 | 760 | openlog (progname, syslog_flags, zl->facility); |
bf1013e6 | 761 | zlog_default = zl; |
718e3744 | 762 | } |
763 | ||
764 | void | |
bf1013e6 | 765 | closezlog (void) |
718e3744 | 766 | { |
bf1013e6 DL |
767 | struct zlog *zl = zlog_default; |
768 | ||
718e3744 | 769 | closelog(); |
228da428 CC |
770 | |
771 | if (zl->fp != NULL) | |
772 | fclose (zl->fp); | |
718e3744 | 773 | |
7e69d993 | 774 | if (zl->filename != NULL) |
6e919709 | 775 | XFREE(MTYPE_ZLOG, zl->filename); |
7e69d993 | 776 | |
718e3744 | 777 | XFREE (MTYPE_ZLOG, zl); |
bf1013e6 | 778 | zlog_default = NULL; |
718e3744 | 779 | } |
780 | ||
deaa50db DL |
781 | const char * |
782 | zlog_protoname (void) | |
783 | { | |
784 | return zlog_default ? zlog_default->protoname : "NONE"; | |
785 | } | |
786 | ||
718e3744 | 787 | /* Called from command.c. */ |
788 | void | |
dd8376fe | 789 | zlog_set_level (zlog_dest_t dest, int log_level) |
718e3744 | 790 | { |
dd8376fe | 791 | zlog_default->maxlvl[dest] = log_level; |
718e3744 | 792 | } |
793 | ||
794 | int | |
dd8376fe | 795 | zlog_set_file (const char *filename, int log_level) |
718e3744 | 796 | { |
dd8376fe | 797 | struct zlog *zl = zlog_default; |
718e3744 | 798 | FILE *fp; |
aa593d5e | 799 | mode_t oldumask; |
718e3744 | 800 | |
801 | /* There is opend file. */ | |
dd8376fe | 802 | zlog_reset_file (); |
718e3744 | 803 | |
804 | /* Open file. */ | |
aa593d5e | 805 | oldumask = umask (0777 & ~LOGFILE_MASK); |
718e3744 | 806 | fp = fopen (filename, "a"); |
aa593d5e | 807 | umask(oldumask); |
274a4a44 | 808 | if (fp == NULL) |
809 | return 0; | |
718e3744 | 810 | |
811 | /* Set flags. */ | |
6e919709 | 812 | zl->filename = XSTRDUP(MTYPE_ZLOG, filename); |
274a4a44 | 813 | zl->maxlvl[ZLOG_DEST_FILE] = log_level; |
718e3744 | 814 | zl->fp = fp; |
c4c7d0c4 | 815 | logfile_fd = fileno(fp); |
718e3744 | 816 | |
817 | return 1; | |
818 | } | |
819 | ||
820 | /* Reset opend file. */ | |
821 | int | |
dd8376fe | 822 | zlog_reset_file (void) |
718e3744 | 823 | { |
dd8376fe | 824 | struct zlog *zl = zlog_default; |
718e3744 | 825 | |
718e3744 | 826 | if (zl->fp) |
827 | fclose (zl->fp); | |
828 | zl->fp = NULL; | |
c4c7d0c4 | 829 | logfile_fd = -1; |
274a4a44 | 830 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; |
718e3744 | 831 | |
832 | if (zl->filename) | |
6e919709 | 833 | XFREE(MTYPE_ZLOG, zl->filename); |
718e3744 | 834 | zl->filename = NULL; |
835 | ||
836 | return 1; | |
837 | } | |
838 | ||
839 | /* Reopen log file. */ | |
840 | int | |
dd8376fe | 841 | zlog_rotate (void) |
718e3744 | 842 | { |
dd8376fe | 843 | struct zlog *zl = zlog_default; |
274a4a44 | 844 | int level; |
718e3744 | 845 | |
718e3744 | 846 | if (zl->fp) |
847 | fclose (zl->fp); | |
848 | zl->fp = NULL; | |
c4c7d0c4 | 849 | logfile_fd = -1; |
274a4a44 | 850 | level = zl->maxlvl[ZLOG_DEST_FILE]; |
851 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; | |
718e3744 | 852 | |
853 | if (zl->filename) | |
854 | { | |
aa593d5e | 855 | mode_t oldumask; |
274a4a44 | 856 | int save_errno; |
aa593d5e | 857 | |
858 | oldumask = umask (0777 & ~LOGFILE_MASK); | |
274a4a44 | 859 | zl->fp = fopen (zl->filename, "a"); |
860 | save_errno = errno; | |
861 | umask(oldumask); | |
862 | if (zl->fp == NULL) | |
aa593d5e | 863 | { |
274a4a44 | 864 | zlog_err("Log rotate failed: cannot open file %s for append: %s", |
865 | zl->filename, safe_strerror(save_errno)); | |
aa593d5e | 866 | return -1; |
867 | } | |
c4c7d0c4 | 868 | logfile_fd = fileno(zl->fp); |
274a4a44 | 869 | zl->maxlvl[ZLOG_DEST_FILE] = level; |
718e3744 | 870 | } |
871 | ||
872 | return 1; | |
873 | } | |
6b0655a2 | 874 | |
ca359769 | 875 | /* Wrapper around strerror to handle case where it returns NULL. */ |
876 | const char * | |
877 | safe_strerror(int errnum) | |
878 | { | |
879 | const char *s = strerror(errnum); | |
880 | return (s != NULL) ? s : "Unknown error"; | |
881 | } | |
f52d13cb | 882 | |
d6d672aa PJ |
883 | #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' } |
884 | static const struct zebra_desc_table command_types[] = { | |
885 | DESC_ENTRY (ZEBRA_INTERFACE_ADD), | |
886 | DESC_ENTRY (ZEBRA_INTERFACE_DELETE), | |
887 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_ADD), | |
888 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_DELETE), | |
889 | DESC_ENTRY (ZEBRA_INTERFACE_UP), | |
890 | DESC_ENTRY (ZEBRA_INTERFACE_DOWN), | |
891 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_ADD), | |
892 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_DELETE), | |
893 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_ADD), | |
894 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_DELETE), | |
895 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_ADD), | |
896 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DELETE), | |
897 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_ADD), | |
898 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_DELETE), | |
d6d672aa PJ |
899 | DESC_ENTRY (ZEBRA_ROUTER_ID_ADD), |
900 | DESC_ENTRY (ZEBRA_ROUTER_ID_DELETE), | |
901 | DESC_ENTRY (ZEBRA_ROUTER_ID_UPDATE), | |
4c78376f | 902 | DESC_ENTRY (ZEBRA_HELLO), |
fb018d25 DS |
903 | DESC_ENTRY (ZEBRA_NEXTHOP_REGISTER), |
904 | DESC_ENTRY (ZEBRA_NEXTHOP_UNREGISTER), | |
905 | DESC_ENTRY (ZEBRA_NEXTHOP_UPDATE), | |
a7f6b2e2 | 906 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_ADD), |
907 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE), | |
908 | DESC_ENTRY (ZEBRA_INTERFACE_BFD_DEST_UPDATE), | |
909 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_REGISTER), | |
910 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_UNREGISTER), | |
078430f6 | 911 | DESC_ENTRY (ZEBRA_IMPORT_CHECK_UPDATE), |
a7f6b2e2 | 912 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD), |
913 | DESC_ENTRY (ZEBRA_BFD_DEST_REGISTER), | |
914 | DESC_ENTRY (ZEBRA_BFD_DEST_DEREGISTER), | |
915 | DESC_ENTRY (ZEBRA_BFD_DEST_UPDATE), | |
916 | DESC_ENTRY (ZEBRA_BFD_DEST_REPLAY), | |
917 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_ADD), | |
918 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_DEL), | |
919 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_ADD), | |
c8e264b6 | 920 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_DEL), |
93f7342f DS |
921 | DESC_ENTRY (ZEBRA_VRF_UNREGISTER), |
922 | DESC_ENTRY (ZEBRA_VRF_ADD), | |
923 | DESC_ENTRY (ZEBRA_VRF_DELETE), | |
055c4dfc | 924 | DESC_ENTRY (ZEBRA_INTERFACE_VRF_UPDATE), |
4a04e5f7 | 925 | DESC_ENTRY (ZEBRA_BFD_CLIENT_REGISTER), |
926 | DESC_ENTRY (ZEBRA_INTERFACE_ENABLE_RADV), | |
93f7342f DS |
927 | DESC_ENTRY (ZEBRA_INTERFACE_DISABLE_RADV), |
928 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB), | |
40297824 | 929 | DESC_ENTRY (ZEBRA_INTERFACE_LINK_PARAMS), |
ce549947 RW |
930 | DESC_ENTRY (ZEBRA_MPLS_LABELS_ADD), |
931 | DESC_ENTRY (ZEBRA_MPLS_LABELS_DELETE), | |
65efcfce LB |
932 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_ADD), |
933 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_DELETE), | |
934 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_ADD), | |
935 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_DELETE), | |
e3be0432 | 936 | DESC_ENTRY (ZEBRA_IPMR_ROUTE_STATS), |
fea12efb | 937 | DESC_ENTRY (ZEBRA_LABEL_MANAGER_CONNECT), |
938 | DESC_ENTRY (ZEBRA_GET_LABEL_CHUNK), | |
939 | DESC_ENTRY (ZEBRA_RELEASE_LABEL_CHUNK), | |
6da80de9 | 940 | DESC_ENTRY (ZEBRA_PW_ADD), |
941 | DESC_ENTRY (ZEBRA_PW_DELETE), | |
942 | DESC_ENTRY (ZEBRA_PW_SET), | |
943 | DESC_ENTRY (ZEBRA_PW_UNSET), | |
944 | DESC_ENTRY (ZEBRA_PW_STATUS_UPDATE), | |
d6d672aa PJ |
945 | }; |
946 | #undef DESC_ENTRY | |
947 | ||
948 | static const struct zebra_desc_table unknown = { 0, "unknown", '?' }; | |
949 | ||
950 | static const struct zebra_desc_table * | |
f52d13cb | 951 | zroute_lookup(u_int zroute) |
952 | { | |
f52d13cb | 953 | u_int i; |
954 | ||
837d16cc | 955 | if (zroute >= array_size(route_types)) |
f52d13cb | 956 | { |
957 | zlog_err("unknown zebra route type: %u", zroute); | |
958 | return &unknown; | |
959 | } | |
d6d672aa | 960 | if (zroute == route_types[zroute].type) |
f52d13cb | 961 | return &route_types[zroute]; |
837d16cc | 962 | for (i = 0; i < array_size(route_types); i++) |
f52d13cb | 963 | { |
d6d672aa | 964 | if (zroute == route_types[i].type) |
f52d13cb | 965 | { |
966 | zlog_warn("internal error: route type table out of order " | |
967 | "while searching for %u, please notify developers", zroute); | |
968 | return &route_types[i]; | |
969 | } | |
970 | } | |
971 | zlog_err("internal error: cannot find route type %u in table!", zroute); | |
972 | return &unknown; | |
973 | } | |
974 | ||
975 | const char * | |
976 | zebra_route_string(u_int zroute) | |
977 | { | |
978 | return zroute_lookup(zroute)->string; | |
979 | } | |
980 | ||
981 | char | |
982 | zebra_route_char(u_int zroute) | |
983 | { | |
984 | return zroute_lookup(zroute)->chr; | |
985 | } | |
d6d672aa PJ |
986 | |
987 | const char * | |
988 | zserv_command_string (unsigned int command) | |
989 | { | |
837d16cc | 990 | if (command >= array_size(command_types)) |
d6d672aa PJ |
991 | { |
992 | zlog_err ("unknown zserv command type: %u", command); | |
993 | return unknown.string; | |
994 | } | |
995 | return command_types[command].string; | |
996 | } | |
7514fb77 | 997 | |
7514fb77 PJ |
998 | int |
999 | proto_name2num(const char *s) | |
1000 | { | |
1001 | unsigned i; | |
1002 | ||
837d16cc | 1003 | for (i=0; i<array_size(route_types); ++i) |
7514fb77 PJ |
1004 | if (strcasecmp(s, route_types[i].string) == 0) |
1005 | return route_types[i].type; | |
1006 | return -1; | |
1007 | } | |
e0ca5fde | 1008 | |
e0ca5fde DL |
1009 | int |
1010 | proto_redistnum(int afi, const char *s) | |
1011 | { | |
1012 | if (! s) | |
1013 | return -1; | |
1014 | ||
1015 | if (afi == AFI_IP) | |
1016 | { | |
6d681bd8 | 1017 | if (strmatch (s, "kernel")) |
e0ca5fde | 1018 | return ZEBRA_ROUTE_KERNEL; |
6d681bd8 | 1019 | else if (strmatch (s, "connected")) |
e0ca5fde | 1020 | return ZEBRA_ROUTE_CONNECT; |
6d681bd8 | 1021 | else if (strmatch (s, "static")) |
e0ca5fde | 1022 | return ZEBRA_ROUTE_STATIC; |
6d681bd8 | 1023 | else if (strmatch (s, "rip")) |
e0ca5fde | 1024 | return ZEBRA_ROUTE_RIP; |
6d681bd8 | 1025 | else if (strmatch (s, "ospf")) |
e0ca5fde | 1026 | return ZEBRA_ROUTE_OSPF; |
6d681bd8 | 1027 | else if (strmatch (s, "isis")) |
e0ca5fde | 1028 | return ZEBRA_ROUTE_ISIS; |
6d681bd8 | 1029 | else if (strmatch (s, "bgp")) |
e0ca5fde | 1030 | return ZEBRA_ROUTE_BGP; |
6d681bd8 | 1031 | else if (strmatch (s, "table")) |
7a4bb9c5 | 1032 | return ZEBRA_ROUTE_TABLE; |
6d681bd8 | 1033 | else if (strmatch (s, "vnc")) |
65efcfce | 1034 | return ZEBRA_ROUTE_VNC; |
b84aadae | 1035 | else if (strmatch (s, "vnc-direct")) |
65efcfce | 1036 | return ZEBRA_ROUTE_VNC_DIRECT; |
f257ff2c | 1037 | else if (strmatch (s, "nhrp")) |
2fb975da | 1038 | return ZEBRA_ROUTE_NHRP; |
e0ca5fde DL |
1039 | } |
1040 | if (afi == AFI_IP6) | |
1041 | { | |
6d681bd8 | 1042 | if (strmatch (s, "kernel")) |
e0ca5fde | 1043 | return ZEBRA_ROUTE_KERNEL; |
6d681bd8 | 1044 | else if (strmatch (s, "connected")) |
e0ca5fde | 1045 | return ZEBRA_ROUTE_CONNECT; |
6d681bd8 | 1046 | else if (strmatch (s, "static")) |
e0ca5fde | 1047 | return ZEBRA_ROUTE_STATIC; |
6d681bd8 | 1048 | else if (strmatch (s, "ripng")) |
e0ca5fde | 1049 | return ZEBRA_ROUTE_RIPNG; |
6d681bd8 | 1050 | else if (strmatch (s, "ospf6")) |
e0ca5fde | 1051 | return ZEBRA_ROUTE_OSPF6; |
6d681bd8 | 1052 | else if (strmatch (s, "isis")) |
e0ca5fde | 1053 | return ZEBRA_ROUTE_ISIS; |
6d681bd8 | 1054 | else if (strmatch (s, "bgp")) |
e0ca5fde | 1055 | return ZEBRA_ROUTE_BGP; |
6d681bd8 | 1056 | else if (strmatch (s, "table")) |
7a4bb9c5 | 1057 | return ZEBRA_ROUTE_TABLE; |
6d681bd8 | 1058 | else if (strmatch (s, "vnc")) |
65efcfce | 1059 | return ZEBRA_ROUTE_VNC; |
b84aadae | 1060 | else if (strmatch (s, "vnc-direct")) |
65efcfce | 1061 | return ZEBRA_ROUTE_VNC_DIRECT; |
f257ff2c | 1062 | else if (strmatch (s, "nhrp")) |
2fb975da | 1063 | return ZEBRA_ROUTE_NHRP; |
e0ca5fde DL |
1064 | } |
1065 | return -1; | |
1066 | } | |
99a6c6cd DW |
1067 | |
1068 | void | |
a9b5cbe5 | 1069 | zlog_hexdump (const void *mem, unsigned int len) { |
99a6c6cd DW |
1070 | unsigned long i = 0; |
1071 | unsigned int j = 0; | |
1072 | unsigned int columns = 8; | |
1073 | char buf[(len * 4) + ((len/4) * 20) + 30]; | |
1074 | char *s = buf; | |
1075 | ||
1076 | for (i = 0; i < len + ((len % columns) ? (columns - len % columns) : 0); i++) | |
1077 | { | |
1078 | /* print offset */ | |
1079 | if (i % columns == 0) | |
1080 | s += sprintf(s, "0x%016lx: ", (unsigned long)mem + i); | |
1081 | ||
1082 | /* print hex data */ | |
1083 | if (i < len) | |
a9b5cbe5 | 1084 | s += sprintf(s, "%02x ", 0xFF & ((const char*)mem)[i]); |
99a6c6cd DW |
1085 | |
1086 | /* end of block, just aligning for ASCII dump */ | |
1087 | else | |
1088 | s += sprintf(s, " "); | |
1089 | ||
1090 | /* print ASCII dump */ | |
1091 | if (i % columns == (columns - 1)) | |
1092 | { | |
1093 | for (j = i - (columns - 1); j <= i; j++) | |
1094 | { | |
1095 | if (j >= len) /* end of block, not really printing */ | |
1096 | s += sprintf(s, " "); | |
1097 | ||
a9b5cbe5 DS |
1098 | else if(isprint((int)((const char *)mem)[j])) /* printable char */ |
1099 | s += sprintf(s, "%c", 0xFF & ((const char *)mem)[j]); | |
99a6c6cd DW |
1100 | |
1101 | else /* other char */ | |
1102 | s += sprintf(s, "."); | |
1103 | } | |
1104 | s += sprintf(s, "\n"); | |
1105 | } | |
1106 | } | |
1107 | zlog_debug("\n%s", buf); | |
1108 | } | |
1f806fc2 DL |
1109 | |
1110 | const char * | |
1111 | zlog_sanitize (char *buf, size_t bufsz, const void *in, size_t inlen) | |
1112 | { | |
1113 | const char *inbuf = in; | |
1114 | char *pos = buf, *end = buf + bufsz; | |
1115 | const char *iend = inbuf + inlen; | |
1116 | ||
1117 | memset (buf, 0, bufsz); | |
1118 | for (; inbuf < iend; inbuf++) | |
1119 | { | |
1120 | /* don't write partial escape sequence */ | |
1121 | if (end - pos < 5) | |
1122 | break; | |
1123 | ||
1124 | if (*inbuf == '\n') | |
1125 | snprintf (pos, end - pos, "\\n"); | |
1126 | else if (*inbuf == '\r') | |
1127 | snprintf (pos, end - pos, "\\r"); | |
1128 | else if (*inbuf == '\t') | |
1129 | snprintf (pos, end - pos, "\\t"); | |
1130 | else if (*inbuf < ' ' || *inbuf == '"' || *inbuf >= 127) | |
1131 | snprintf (pos, end - pos, "\\x%02hhx", *inbuf); | |
1132 | else | |
1133 | *pos = *inbuf; | |
1134 | ||
1135 | pos += strlen (pos); | |
1136 | } | |
1137 | return buf; | |
1138 | } |