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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 | ||
e0ca5fde DL |
23 | #define QUAGGA_DEFINE_DESC_TABLE |
24 | ||
718e3744 | 25 | #include <zebra.h> |
26 | ||
27 | #include "log.h" | |
28 | #include "memory.h" | |
29 | #include "command.h" | |
7d149b8e | 30 | #ifndef SUNOS_5 |
31 | #include <sys/un.h> | |
32 | #endif | |
30a2231a PJ |
33 | /* for printstack on solaris */ |
34 | #ifdef HAVE_UCONTEXT_H | |
35 | #include <ucontext.h> | |
36 | #endif | |
718e3744 | 37 | |
4a1ab8e4 DL |
38 | DEFINE_MTYPE_STATIC(LIB, ZLOG, "Logging") |
39 | ||
c4c7d0c4 | 40 | static int logfile_fd = -1; /* Used in signal handler. */ |
1e221354 | 41 | |
718e3744 | 42 | struct zlog *zlog_default = NULL; |
43 | ||
44 | const char *zlog_proto_names[] = | |
45 | { | |
46 | "NONE", | |
47 | "DEFAULT", | |
48 | "ZEBRA", | |
49 | "RIP", | |
50 | "BGP", | |
51 | "OSPF", | |
52 | "RIPNG", | |
53 | "OSPF6", | |
eac6e3f0 | 54 | "LDP", |
9e867fe6 | 55 | "ISIS", |
12e41d03 | 56 | "PIM", |
718e3744 | 57 | "MASC", |
65efcfce | 58 | "RFP", |
718e3744 | 59 | NULL, |
60 | }; | |
61 | ||
62 | const char *zlog_priority[] = | |
63 | { | |
64 | "emergencies", | |
65 | "alerts", | |
66 | "critical", | |
67 | "errors", | |
68 | "warnings", | |
69 | "notifications", | |
70 | "informational", | |
71 | "debugging", | |
72 | NULL, | |
73 | }; | |
718e3744 | 74 | |
7a49a5b5 DS |
75 | /* |
76 | * write_wrapper | |
77 | * | |
78 | * glibc has declared that the return value from write *must* not be | |
79 | * ignored. | |
80 | * gcc see's this problem and issues a warning for the line. | |
81 | * | |
82 | * Why is this a big deal you say? Because both of them are right | |
83 | * and if you have -Werror enabled then all calls to write | |
84 | * generate a build error and the build stops. | |
85 | * | |
86 | * clang has helpfully allowed this construct: | |
87 | * (void)write(...) | |
88 | * to tell the compiler yeah I know it has a return value | |
89 | * I don't care about it at this time. | |
90 | * gcc doesn't have this ability. | |
91 | * | |
92 | * This code was written such that it didn't care about the | |
93 | * return value from write. At this time do I want | |
94 | * to go through and fix and test this code for correctness. | |
95 | * So just wrapper the bad behavior and move on. | |
96 | */ | |
97 | static void write_wrapper (int fd, const void *buf, size_t count) | |
98 | { | |
99 | if (write (fd, buf, count) <= 0) | |
100 | return; | |
101 | ||
102 | return; | |
103 | } | |
6b0655a2 | 104 | |
718e3744 | 105 | /* For time string format. */ |
718e3744 | 106 | |
1ed72e0b AS |
107 | size_t |
108 | quagga_timestamp(int timestamp_precision, char *buf, size_t buflen) | |
718e3744 | 109 | { |
1ed72e0b AS |
110 | static struct { |
111 | time_t last; | |
112 | size_t len; | |
113 | char buf[28]; | |
114 | } cache; | |
115 | struct timeval clock; | |
116 | ||
117 | /* would it be sufficient to use global 'recent_time' here? I fear not... */ | |
118 | gettimeofday(&clock, NULL); | |
119 | ||
120 | /* first, we update the cache if the time has changed */ | |
121 | if (cache.last != clock.tv_sec) | |
122 | { | |
123 | struct tm *tm; | |
124 | cache.last = clock.tv_sec; | |
125 | tm = localtime(&cache.last); | |
126 | cache.len = strftime(cache.buf, sizeof(cache.buf), | |
127 | "%Y/%m/%d %H:%M:%S", tm); | |
128 | } | |
129 | /* note: it's not worth caching the subsecond part, because | |
130 | chances are that back-to-back calls are not sufficiently close together | |
131 | for the clock not to have ticked forward */ | |
718e3744 | 132 | |
1ed72e0b AS |
133 | if (buflen > cache.len) |
134 | { | |
135 | memcpy(buf, cache.buf, cache.len); | |
136 | if ((timestamp_precision > 0) && | |
137 | (buflen > cache.len+1+timestamp_precision)) | |
138 | { | |
139 | /* should we worry about locale issues? */ | |
bcdda30b AS |
140 | static const int divisor[] = {0, 100000, 10000, 1000, 100, 10, 1}; |
141 | int prec; | |
142 | char *p = buf+cache.len+1+(prec = timestamp_precision); | |
143 | *p-- = '\0'; | |
144 | while (prec > 6) | |
145 | /* this is unlikely to happen, but protect anyway */ | |
146 | { | |
147 | *p-- = '0'; | |
148 | prec--; | |
149 | } | |
150 | clock.tv_usec /= divisor[prec]; | |
1ed72e0b AS |
151 | do |
152 | { | |
bcdda30b AS |
153 | *p-- = '0'+(clock.tv_usec % 10); |
154 | clock.tv_usec /= 10; | |
1ed72e0b | 155 | } |
bcdda30b AS |
156 | while (--prec > 0); |
157 | *p = '.'; | |
158 | return cache.len+1+timestamp_precision; | |
1ed72e0b AS |
159 | } |
160 | buf[cache.len] = '\0'; | |
161 | return cache.len; | |
162 | } | |
163 | if (buflen > 0) | |
164 | buf[0] = '\0'; | |
165 | return 0; | |
166 | } | |
718e3744 | 167 | |
1ed72e0b AS |
168 | /* Utility routine for current time printing. */ |
169 | static void | |
170 | time_print(FILE *fp, struct timestamp_control *ctl) | |
171 | { | |
172 | if (!ctl->already_rendered) | |
173 | { | |
174 | ctl->len = quagga_timestamp(ctl->precision, ctl->buf, sizeof(ctl->buf)); | |
175 | ctl->already_rendered = 1; | |
176 | } | |
177 | fprintf(fp, "%s ", ctl->buf); | |
718e3744 | 178 | } |
1ed72e0b | 179 | |
6b0655a2 | 180 | |
718e3744 | 181 | /* va_list version of zlog. */ |
eac6e3f0 | 182 | void |
d246bd96 | 183 | vzlog (struct zlog *zl, int priority, const char *format, va_list args) |
718e3744 | 184 | { |
7c8ff89e | 185 | char proto_str[32]; |
d8efb772 | 186 | int original_errno = errno; |
1ed72e0b AS |
187 | struct timestamp_control tsctl; |
188 | tsctl.already_rendered = 0; | |
189 | ||
718e3744 | 190 | /* If zlog is not specified, use default one. */ |
191 | if (zl == NULL) | |
192 | zl = zlog_default; | |
193 | ||
194 | /* When zlog_default is also NULL, use stderr for logging. */ | |
195 | if (zl == NULL) | |
196 | { | |
1ed72e0b AS |
197 | tsctl.precision = 0; |
198 | time_print(stderr, &tsctl); | |
718e3744 | 199 | fprintf (stderr, "%s: ", "unknown"); |
d246bd96 | 200 | vfprintf (stderr, format, args); |
718e3744 | 201 | fprintf (stderr, "\n"); |
202 | fflush (stderr); | |
203 | ||
204 | /* In this case we return at here. */ | |
d8efb772 | 205 | errno = original_errno; |
718e3744 | 206 | return; |
207 | } | |
1ed72e0b | 208 | tsctl.precision = zl->timestamp_precision; |
718e3744 | 209 | |
718e3744 | 210 | /* Syslog output */ |
274a4a44 | 211 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) |
d246bd96 | 212 | { |
213 | va_list ac; | |
214 | va_copy(ac, args); | |
215 | vsyslog (priority|zlog_default->facility, format, ac); | |
216 | va_end(ac); | |
217 | } | |
718e3744 | 218 | |
7c8ff89e DS |
219 | if (zl->instance) |
220 | sprintf (proto_str, "%s[%d]: ", zlog_proto_names[zl->protocol], zl->instance); | |
221 | else | |
222 | sprintf (proto_str, "%s: ", zlog_proto_names[zl->protocol]); | |
223 | ||
718e3744 | 224 | /* File output. */ |
274a4a44 | 225 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) |
718e3744 | 226 | { |
d246bd96 | 227 | va_list ac; |
1ed72e0b | 228 | time_print (zl->fp, &tsctl); |
b04c699e | 229 | if (zl->record_priority) |
230 | fprintf (zl->fp, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 231 | fprintf (zl->fp, "%s", proto_str); |
d246bd96 | 232 | va_copy(ac, args); |
233 | vfprintf (zl->fp, format, ac); | |
234 | va_end(ac); | |
718e3744 | 235 | fprintf (zl->fp, "\n"); |
236 | fflush (zl->fp); | |
237 | } | |
238 | ||
239 | /* stdout output. */ | |
274a4a44 | 240 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) |
718e3744 | 241 | { |
d246bd96 | 242 | va_list ac; |
1ed72e0b | 243 | time_print (stdout, &tsctl); |
b04c699e | 244 | if (zl->record_priority) |
245 | fprintf (stdout, "%s: ", zlog_priority[priority]); | |
7c8ff89e | 246 | fprintf (stdout, "%s", proto_str); |
d246bd96 | 247 | va_copy(ac, args); |
248 | vfprintf (stdout, format, ac); | |
249 | va_end(ac); | |
718e3744 | 250 | fprintf (stdout, "\n"); |
251 | fflush (stdout); | |
252 | } | |
253 | ||
718e3744 | 254 | /* Terminal monitor. */ |
274a4a44 | 255 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) |
256 | vty_log ((zl->record_priority ? zlog_priority[priority] : NULL), | |
7c8ff89e | 257 | proto_str, format, &tsctl, args); |
d8efb772 CF |
258 | |
259 | errno = original_errno; | |
718e3744 | 260 | } |
261 | ||
65efcfce LB |
262 | int |
263 | vzlog_test (struct zlog *zl, int priority) | |
264 | { | |
265 | /* If zlog is not specified, use default one. */ | |
266 | if (zl == NULL) | |
267 | zl = zlog_default; | |
268 | ||
269 | /* When zlog_default is also NULL, use stderr for logging. */ | |
270 | if (zl == NULL) | |
271 | { | |
272 | return 1; | |
273 | } | |
274 | ||
275 | /* Syslog output */ | |
276 | if (priority <= zl->maxlvl[ZLOG_DEST_SYSLOG]) | |
277 | { | |
278 | return 1; | |
279 | } | |
280 | ||
281 | /* File output. */ | |
282 | if ((priority <= zl->maxlvl[ZLOG_DEST_FILE]) && zl->fp) | |
283 | { | |
284 | return 1; | |
285 | } | |
286 | ||
287 | /* stdout output. */ | |
288 | if (priority <= zl->maxlvl[ZLOG_DEST_STDOUT]) | |
289 | { | |
290 | return 1; | |
291 | } | |
292 | ||
293 | /* Terminal monitor. */ | |
294 | if (priority <= zl->maxlvl[ZLOG_DEST_MONITOR]) | |
295 | return 1; | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
59a06a91 | 300 | static char * |
301 | str_append(char *dst, int len, const char *src) | |
302 | { | |
303 | while ((len-- > 0) && *src) | |
304 | *dst++ = *src++; | |
305 | return dst; | |
306 | } | |
307 | ||
308 | static char * | |
309 | num_append(char *s, int len, u_long x) | |
310 | { | |
311 | char buf[30]; | |
7d149b8e | 312 | char *t; |
59a06a91 | 313 | |
7d149b8e | 314 | if (!x) |
315 | return str_append(s,len,"0"); | |
316 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
59a06a91 | 317 | while (x && (t > buf)) |
318 | { | |
319 | *--t = '0'+(x % 10); | |
320 | x /= 10; | |
321 | } | |
322 | return str_append(s,len,t); | |
323 | } | |
324 | ||
fb66b29c | 325 | #if defined(SA_SIGINFO) || defined(HAVE_STACK_TRACE) |
7d149b8e | 326 | static char * |
327 | hex_append(char *s, int len, u_long x) | |
328 | { | |
329 | char buf[30]; | |
330 | char *t; | |
331 | ||
332 | if (!x) | |
333 | return str_append(s,len,"0"); | |
334 | *(t = &buf[sizeof(buf)-1]) = '\0'; | |
335 | while (x && (t > buf)) | |
336 | { | |
337 | u_int cc = (x % 16); | |
338 | *--t = ((cc < 10) ? ('0'+cc) : ('a'+cc-10)); | |
339 | x /= 16; | |
340 | } | |
341 | return str_append(s,len,t); | |
342 | } | |
31364274 | 343 | #endif |
7d149b8e | 344 | |
7d149b8e | 345 | /* Needs to be enhanced to support Solaris. */ |
346 | static int | |
347 | syslog_connect(void) | |
348 | { | |
349 | #ifdef SUNOS_5 | |
350 | return -1; | |
351 | #else | |
352 | int fd; | |
353 | char *s; | |
354 | struct sockaddr_un addr; | |
355 | ||
356 | if ((fd = socket(AF_UNIX,SOCK_DGRAM,0)) < 0) | |
357 | return -1; | |
358 | addr.sun_family = AF_UNIX; | |
359 | #ifdef _PATH_LOG | |
360 | #define SYSLOG_SOCKET_PATH _PATH_LOG | |
361 | #else | |
362 | #define SYSLOG_SOCKET_PATH "/dev/log" | |
363 | #endif | |
364 | s = str_append(addr.sun_path,sizeof(addr.sun_path),SYSLOG_SOCKET_PATH); | |
365 | #undef SYSLOG_SOCKET_PATH | |
366 | *s = '\0'; | |
367 | if (connect(fd,(struct sockaddr *)&addr,sizeof(addr)) < 0) | |
368 | { | |
369 | close(fd); | |
370 | return -1; | |
371 | } | |
372 | return fd; | |
373 | #endif | |
374 | } | |
375 | ||
376 | static void | |
377 | syslog_sigsafe(int priority, const char *msg, size_t msglen) | |
378 | { | |
1e221354 | 379 | static int syslog_fd = -1; |
7d149b8e | 380 | char buf[sizeof("<1234567890>ripngd[1234567890]: ")+msglen+50]; |
381 | char *s; | |
382 | ||
383 | if ((syslog_fd < 0) && ((syslog_fd = syslog_connect()) < 0)) | |
384 | return; | |
385 | ||
386 | #define LOC s,buf+sizeof(buf)-s | |
387 | s = buf; | |
388 | s = str_append(LOC,"<"); | |
389 | s = num_append(LOC,priority); | |
390 | s = str_append(LOC,">"); | |
391 | /* forget about the timestamp, too difficult in a signal handler */ | |
392 | s = str_append(LOC,zlog_default->ident); | |
393 | if (zlog_default->syslog_options & LOG_PID) | |
394 | { | |
395 | s = str_append(LOC,"["); | |
396 | s = num_append(LOC,getpid()); | |
397 | s = str_append(LOC,"]"); | |
398 | } | |
399 | s = str_append(LOC,": "); | |
400 | s = str_append(LOC,msg); | |
7a49a5b5 | 401 | write_wrapper (syslog_fd,buf,s-buf); |
7d149b8e | 402 | #undef LOC |
403 | } | |
404 | ||
1e221354 | 405 | static int |
406 | open_crashlog(void) | |
407 | { | |
408 | #define CRASHLOG_PREFIX "/var/tmp/quagga." | |
409 | #define CRASHLOG_SUFFIX "crashlog" | |
410 | if (zlog_default && zlog_default->ident) | |
411 | { | |
412 | /* Avoid strlen since it is not async-signal-safe. */ | |
413 | const char *p; | |
414 | size_t ilen; | |
415 | ||
416 | for (p = zlog_default->ident, ilen = 0; *p; p++) | |
417 | ilen++; | |
418 | { | |
419 | char buf[sizeof(CRASHLOG_PREFIX)+ilen+sizeof(CRASHLOG_SUFFIX)+3]; | |
420 | char *s = buf; | |
421 | #define LOC s,buf+sizeof(buf)-s | |
422 | s = str_append(LOC, CRASHLOG_PREFIX); | |
423 | s = str_append(LOC, zlog_default->ident); | |
424 | s = str_append(LOC, "."); | |
425 | s = str_append(LOC, CRASHLOG_SUFFIX); | |
426 | #undef LOC | |
427 | *s = '\0'; | |
428 | return open(buf, O_WRONLY|O_CREAT|O_EXCL, LOGFILE_MASK); | |
429 | } | |
430 | } | |
431 | return open(CRASHLOG_PREFIX CRASHLOG_SUFFIX, O_WRONLY|O_CREAT|O_EXCL, | |
432 | LOGFILE_MASK); | |
433 | #undef CRASHLOG_SUFFIX | |
434 | #undef CRASHLOG_PREFIX | |
435 | } | |
436 | ||
7d149b8e | 437 | /* Note: the goal here is to use only async-signal-safe functions. */ |
59a06a91 | 438 | void |
31364274 | 439 | zlog_signal(int signo, const char *action |
440 | #ifdef SA_SIGINFO | |
441 | , siginfo_t *siginfo, void *program_counter | |
442 | #endif | |
443 | ) | |
59a06a91 | 444 | { |
445 | time_t now; | |
40abf239 | 446 | char buf[sizeof("DEFAULT: Received signal S at T (si_addr 0xP, PC 0xP); aborting...")+100]; |
59a06a91 | 447 | char *s = buf; |
7d149b8e | 448 | char *msgstart = buf; |
59a06a91 | 449 | #define LOC s,buf+sizeof(buf)-s |
450 | ||
451 | time(&now); | |
452 | if (zlog_default) | |
453 | { | |
454 | s = str_append(LOC,zlog_proto_names[zlog_default->protocol]); | |
455 | *s++ = ':'; | |
456 | *s++ = ' '; | |
7d149b8e | 457 | msgstart = s; |
59a06a91 | 458 | } |
459 | s = str_append(LOC,"Received signal "); | |
460 | s = num_append(LOC,signo); | |
461 | s = str_append(LOC," at "); | |
462 | s = num_append(LOC,now); | |
31364274 | 463 | #ifdef SA_SIGINFO |
40abf239 | 464 | s = str_append(LOC," (si_addr 0x"); |
465 | s = hex_append(LOC,(u_long)(siginfo->si_addr)); | |
466 | if (program_counter) | |
467 | { | |
468 | s = str_append(LOC,", PC 0x"); | |
469 | s = hex_append(LOC,(u_long)program_counter); | |
470 | } | |
471 | s = str_append(LOC,"); "); | |
31364274 | 472 | #else /* SA_SIGINFO */ |
473 | s = str_append(LOC,"; "); | |
474 | #endif /* SA_SIGINFO */ | |
59a06a91 | 475 | s = str_append(LOC,action); |
7d149b8e | 476 | if (s < buf+sizeof(buf)) |
477 | *s++ = '\n'; | |
59a06a91 | 478 | |
274a4a44 | 479 | /* N.B. implicit priority is most severe */ |
1e221354 | 480 | #define PRI LOG_CRIT |
274a4a44 | 481 | |
7a49a5b5 | 482 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
1e221354 | 483 | /* If no file logging configured, try to write to fallback log file. */ |
c4c7d0c4 | 484 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
485 | DUMP(logfile_fd) | |
59a06a91 | 486 | if (!zlog_default) |
c4c7d0c4 | 487 | DUMP(STDERR_FILENO) |
59a06a91 | 488 | else |
489 | { | |
274a4a44 | 490 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 491 | DUMP(STDOUT_FILENO) |
274a4a44 | 492 | /* Remove trailing '\n' for monitor and syslog */ |
493 | *--s = '\0'; | |
494 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
495 | vty_log_fixed(buf,s-buf); | |
496 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
497 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
59a06a91 | 498 | } |
499 | #undef DUMP | |
500 | ||
31364274 | 501 | zlog_backtrace_sigsafe(PRI, |
502 | #ifdef SA_SIGINFO | |
503 | program_counter | |
504 | #else | |
505 | NULL | |
506 | #endif | |
507 | ); | |
d1265948 DL |
508 | |
509 | s = buf; | |
510 | if (!thread_current) | |
511 | s = str_append (LOC, "no thread information available\n"); | |
512 | else | |
513 | { | |
514 | s = str_append (LOC, "in thread "); | |
515 | s = str_append (LOC, thread_current->funcname); | |
516 | s = str_append (LOC, " scheduled from "); | |
517 | s = str_append (LOC, thread_current->schedfrom); | |
518 | s = str_append (LOC, ":"); | |
519 | s = num_append (LOC, thread_current->schedfrom_line); | |
520 | s = str_append (LOC, "\n"); | |
521 | } | |
522 | ||
69f30024 | 523 | #define DUMP(FD) write_wrapper(FD, buf, s-buf); |
d1265948 DL |
524 | /* If no file logging configured, try to write to fallback log file. */ |
525 | if (logfile_fd >= 0) | |
526 | DUMP(logfile_fd) | |
527 | if (!zlog_default) | |
528 | DUMP(STDERR_FILENO) | |
529 | else | |
530 | { | |
531 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) | |
532 | DUMP(STDOUT_FILENO) | |
533 | /* Remove trailing '\n' for monitor and syslog */ | |
534 | *--s = '\0'; | |
535 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
536 | vty_log_fixed(buf,s-buf); | |
537 | if (PRI <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
538 | syslog_sigsafe(PRI|zlog_default->facility,msgstart,s-msgstart); | |
539 | } | |
540 | #undef DUMP | |
541 | ||
274a4a44 | 542 | #undef PRI |
063ee52a | 543 | #undef LOC |
544 | } | |
545 | ||
546 | /* Log a backtrace using only async-signal-safe functions. | |
547 | Needs to be enhanced to support syslog logging. */ | |
548 | void | |
239c26fd | 549 | zlog_backtrace_sigsafe(int priority, void *program_counter) |
063ee52a | 550 | { |
fb66b29c | 551 | #ifdef HAVE_STACK_TRACE |
239c26fd | 552 | static const char pclabel[] = "Program counter: "; |
94fc1dd4 | 553 | void *array[64]; |
063ee52a | 554 | int size; |
555 | char buf[100]; | |
94fc1dd4 | 556 | char *s, **bt = NULL; |
063ee52a | 557 | #define LOC s,buf+sizeof(buf)-s |
59a06a91 | 558 | |
fb66b29c | 559 | #ifdef HAVE_GLIBC_BACKTRACE |
4d474fa3 DL |
560 | size = backtrace(array, array_size(array)); |
561 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 562 | return; |
59a06a91 | 563 | |
1e221354 | 564 | #define DUMP(FD) { \ |
239c26fd | 565 | if (program_counter) \ |
566 | { \ | |
7a49a5b5 | 567 | write_wrapper(FD, pclabel, sizeof(pclabel)-1); \ |
1e221354 | 568 | backtrace_symbols_fd(&program_counter, 1, FD); \ |
239c26fd | 569 | } \ |
7a49a5b5 | 570 | write_wrapper(FD, buf, s-buf); \ |
1e221354 | 571 | backtrace_symbols_fd(array, size, FD); \ |
59a06a91 | 572 | } |
fb66b29c PJ |
573 | #elif defined(HAVE_PRINTSTACK) |
574 | #define DUMP(FD) { \ | |
575 | if (program_counter) \ | |
7a49a5b5 DS |
576 | write_wrapper((FD), pclabel, sizeof(pclabel)-1); \ |
577 | write_wrapper((FD), buf, s-buf); \ | |
fb66b29c PJ |
578 | printstack((FD)); \ |
579 | } | |
580 | #endif /* HAVE_GLIBC_BACKTRACE, HAVE_PRINTSTACK */ | |
581 | ||
582 | s = buf; | |
583 | s = str_append(LOC,"Backtrace for "); | |
584 | s = num_append(LOC,size); | |
585 | s = str_append(LOC," stack frames:\n"); | |
59a06a91 | 586 | |
c4c7d0c4 | 587 | if ((logfile_fd >= 0) || ((logfile_fd = open_crashlog()) >= 0)) |
588 | DUMP(logfile_fd) | |
59a06a91 | 589 | if (!zlog_default) |
c4c7d0c4 | 590 | DUMP(STDERR_FILENO) |
59a06a91 | 591 | else |
592 | { | |
274a4a44 | 593 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_STDOUT]) |
c4c7d0c4 | 594 | DUMP(STDOUT_FILENO) |
274a4a44 | 595 | /* Remove trailing '\n' for monitor and syslog */ |
596 | *--s = '\0'; | |
597 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
598 | vty_log_fixed(buf,s-buf); | |
599 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
600 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); | |
601 | { | |
602 | int i; | |
94fc1dd4 SH |
603 | #ifdef HAVE_GLIBC_BACKTRACE |
604 | bt = backtrace_symbols(array, size); | |
605 | #endif | |
274a4a44 | 606 | /* Just print the function addresses. */ |
607 | for (i = 0; i < size; i++) | |
608 | { | |
609 | s = buf; | |
94fc1dd4 SH |
610 | if (bt) |
611 | s = str_append(LOC, bt[i]); | |
612 | else { | |
613 | s = str_append(LOC,"[bt "); | |
614 | s = num_append(LOC,i); | |
615 | s = str_append(LOC,"] 0x"); | |
616 | s = hex_append(LOC,(u_long)(array[i])); | |
617 | } | |
274a4a44 | 618 | *s = '\0'; |
619 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_MONITOR]) | |
620 | vty_log_fixed(buf,s-buf); | |
621 | if (priority <= zlog_default->maxlvl[ZLOG_DEST_SYSLOG]) | |
7d149b8e | 622 | syslog_sigsafe(priority|zlog_default->facility,buf,s-buf); |
274a4a44 | 623 | } |
94fc1dd4 SH |
624 | if (bt) |
625 | free(bt); | |
274a4a44 | 626 | } |
59a06a91 | 627 | } |
628 | #undef DUMP | |
59a06a91 | 629 | #undef LOC |
fb66b29c | 630 | #endif /* HAVE_STRACK_TRACE */ |
063ee52a | 631 | } |
632 | ||
633 | void | |
634 | zlog_backtrace(int priority) | |
635 | { | |
636 | #ifndef HAVE_GLIBC_BACKTRACE | |
637 | zlog(NULL, priority, "No backtrace available on this platform."); | |
638 | #else | |
639 | void *array[20]; | |
640 | int size, i; | |
641 | char **strings; | |
642 | ||
4d474fa3 DL |
643 | size = backtrace(array, array_size(array)); |
644 | if (size <= 0 || (size_t)size > array_size(array)) | |
063ee52a | 645 | { |
646 | zlog_err("Cannot get backtrace, returned invalid # of frames %d " | |
1ed72e0b | 647 | "(valid range is between 1 and %lu)", |
837d16cc | 648 | size, (unsigned long)(array_size(array))); |
063ee52a | 649 | return; |
650 | } | |
651 | zlog(NULL, priority, "Backtrace for %d stack frames:", size); | |
652 | if (!(strings = backtrace_symbols(array, size))) | |
653 | { | |
654 | zlog_err("Cannot get backtrace symbols (out of memory?)"); | |
655 | for (i = 0; i < size; i++) | |
656 | zlog(NULL, priority, "[bt %d] %p",i,array[i]); | |
657 | } | |
658 | else | |
659 | { | |
660 | for (i = 0; i < size; i++) | |
661 | zlog(NULL, priority, "[bt %d] %s",i,strings[i]); | |
662 | free(strings); | |
663 | } | |
664 | #endif /* HAVE_GLIBC_BACKTRACE */ | |
59a06a91 | 665 | } |
666 | ||
718e3744 | 667 | void |
668 | zlog (struct zlog *zl, int priority, const char *format, ...) | |
669 | { | |
d246bd96 | 670 | va_list args; |
718e3744 | 671 | |
d246bd96 | 672 | va_start(args, format); |
718e3744 | 673 | vzlog (zl, priority, format, args); |
d246bd96 | 674 | va_end (args); |
718e3744 | 675 | } |
676 | ||
d246bd96 | 677 | #define ZLOG_FUNC(FUNCNAME,PRIORITY) \ |
678 | void \ | |
679 | FUNCNAME(const char *format, ...) \ | |
680 | { \ | |
681 | va_list args; \ | |
682 | va_start(args, format); \ | |
683 | vzlog (NULL, PRIORITY, format, args); \ | |
684 | va_end(args); \ | |
718e3744 | 685 | } |
686 | ||
d246bd96 | 687 | ZLOG_FUNC(zlog_err, LOG_ERR) |
718e3744 | 688 | |
d246bd96 | 689 | ZLOG_FUNC(zlog_warn, LOG_WARNING) |
718e3744 | 690 | |
d246bd96 | 691 | ZLOG_FUNC(zlog_info, LOG_INFO) |
718e3744 | 692 | |
d246bd96 | 693 | ZLOG_FUNC(zlog_notice, LOG_NOTICE) |
718e3744 | 694 | |
d246bd96 | 695 | ZLOG_FUNC(zlog_debug, LOG_DEBUG) |
718e3744 | 696 | |
d246bd96 | 697 | #undef ZLOG_FUNC |
718e3744 | 698 | |
d1265948 DL |
699 | void zlog_thread_info (int log_level) |
700 | { | |
701 | if (thread_current) | |
702 | zlog(NULL, log_level, "Current thread function %s, scheduled from " | |
703 | "file %s, line %u", thread_current->funcname, | |
704 | thread_current->schedfrom, thread_current->schedfrom_line); | |
705 | else | |
706 | zlog(NULL, log_level, "Current thread not known/applicable"); | |
707 | } | |
708 | ||
cee3df1e | 709 | void |
710 | _zlog_assert_failed (const char *assertion, const char *file, | |
711 | unsigned int line, const char *function) | |
712 | { | |
c4c7d0c4 | 713 | /* Force fallback file logging? */ |
714 | if (zlog_default && !zlog_default->fp && | |
715 | ((logfile_fd = open_crashlog()) >= 0) && | |
716 | ((zlog_default->fp = fdopen(logfile_fd, "w")) != NULL)) | |
717 | zlog_default->maxlvl[ZLOG_DEST_FILE] = LOG_ERR; | |
1e221354 | 718 | zlog(NULL, LOG_CRIT, "Assertion `%s' failed in file %s, line %u, function %s", |
719 | assertion,file,line,(function ? function : "?")); | |
720 | zlog_backtrace(LOG_CRIT); | |
d1265948 | 721 | zlog_thread_info(LOG_CRIT); |
65efcfce | 722 | log_memstats_stderr ("log"); |
cee3df1e | 723 | abort(); |
724 | } | |
725 | ||
3b4cd783 DL |
726 | void |
727 | memory_oom (size_t size, const char *name) | |
728 | { | |
729 | zlog_err("out of memory: failed to allocate %zu bytes for %s" | |
730 | "object", size, name); | |
731 | zlog_backtrace(LOG_ERR); | |
732 | abort(); | |
733 | } | |
6b0655a2 | 734 | |
718e3744 | 735 | /* Open log stream */ |
736 | struct zlog * | |
7c8ff89e | 737 | openzlog (const char *progname, zlog_proto_t protocol, u_short instance, |
718e3744 | 738 | int syslog_flags, int syslog_facility) |
739 | { | |
740 | struct zlog *zl; | |
274a4a44 | 741 | u_int i; |
718e3744 | 742 | |
274a4a44 | 743 | zl = XCALLOC(MTYPE_ZLOG, sizeof (struct zlog)); |
718e3744 | 744 | |
745 | zl->ident = progname; | |
718e3744 | 746 | zl->protocol = protocol; |
7c8ff89e | 747 | zl->instance = instance; |
718e3744 | 748 | zl->facility = syslog_facility; |
7d149b8e | 749 | zl->syslog_options = syslog_flags; |
718e3744 | 750 | |
274a4a44 | 751 | /* Set default logging levels. */ |
837d16cc | 752 | for (i = 0; i < array_size(zl->maxlvl); i++) |
274a4a44 | 753 | zl->maxlvl[i] = ZLOG_DISABLED; |
754 | zl->maxlvl[ZLOG_DEST_MONITOR] = LOG_DEBUG; | |
755 | zl->default_lvl = LOG_DEBUG; | |
756 | ||
718e3744 | 757 | openlog (progname, syslog_flags, zl->facility); |
758 | ||
759 | return zl; | |
760 | } | |
761 | ||
762 | void | |
763 | closezlog (struct zlog *zl) | |
764 | { | |
765 | closelog(); | |
228da428 CC |
766 | |
767 | if (zl->fp != NULL) | |
768 | fclose (zl->fp); | |
718e3744 | 769 | |
7e69d993 | 770 | if (zl->filename != NULL) |
6e919709 | 771 | XFREE(MTYPE_ZLOG, zl->filename); |
7e69d993 | 772 | |
718e3744 | 773 | XFREE (MTYPE_ZLOG, zl); |
774 | } | |
775 | ||
776 | /* Called from command.c. */ | |
777 | void | |
274a4a44 | 778 | zlog_set_level (struct zlog *zl, zlog_dest_t dest, int log_level) |
718e3744 | 779 | { |
780 | if (zl == NULL) | |
781 | zl = zlog_default; | |
782 | ||
274a4a44 | 783 | zl->maxlvl[dest] = log_level; |
718e3744 | 784 | } |
785 | ||
786 | int | |
274a4a44 | 787 | zlog_set_file (struct zlog *zl, const char *filename, int log_level) |
718e3744 | 788 | { |
789 | FILE *fp; | |
aa593d5e | 790 | mode_t oldumask; |
718e3744 | 791 | |
792 | /* There is opend file. */ | |
793 | zlog_reset_file (zl); | |
794 | ||
795 | /* Set default zl. */ | |
796 | if (zl == NULL) | |
797 | zl = zlog_default; | |
798 | ||
799 | /* Open file. */ | |
aa593d5e | 800 | oldumask = umask (0777 & ~LOGFILE_MASK); |
718e3744 | 801 | fp = fopen (filename, "a"); |
aa593d5e | 802 | umask(oldumask); |
274a4a44 | 803 | if (fp == NULL) |
804 | return 0; | |
718e3744 | 805 | |
806 | /* Set flags. */ | |
6e919709 | 807 | zl->filename = XSTRDUP(MTYPE_ZLOG, filename); |
274a4a44 | 808 | zl->maxlvl[ZLOG_DEST_FILE] = log_level; |
718e3744 | 809 | zl->fp = fp; |
c4c7d0c4 | 810 | logfile_fd = fileno(fp); |
718e3744 | 811 | |
812 | return 1; | |
813 | } | |
814 | ||
815 | /* Reset opend file. */ | |
816 | int | |
817 | zlog_reset_file (struct zlog *zl) | |
818 | { | |
819 | if (zl == NULL) | |
820 | zl = zlog_default; | |
821 | ||
718e3744 | 822 | if (zl->fp) |
823 | fclose (zl->fp); | |
824 | zl->fp = NULL; | |
c4c7d0c4 | 825 | logfile_fd = -1; |
274a4a44 | 826 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; |
718e3744 | 827 | |
828 | if (zl->filename) | |
6e919709 | 829 | XFREE(MTYPE_ZLOG, zl->filename); |
718e3744 | 830 | zl->filename = NULL; |
831 | ||
832 | return 1; | |
833 | } | |
834 | ||
835 | /* Reopen log file. */ | |
836 | int | |
837 | zlog_rotate (struct zlog *zl) | |
838 | { | |
274a4a44 | 839 | int level; |
718e3744 | 840 | |
841 | if (zl == NULL) | |
842 | zl = zlog_default; | |
843 | ||
844 | if (zl->fp) | |
845 | fclose (zl->fp); | |
846 | zl->fp = NULL; | |
c4c7d0c4 | 847 | logfile_fd = -1; |
274a4a44 | 848 | level = zl->maxlvl[ZLOG_DEST_FILE]; |
849 | zl->maxlvl[ZLOG_DEST_FILE] = ZLOG_DISABLED; | |
718e3744 | 850 | |
851 | if (zl->filename) | |
852 | { | |
aa593d5e | 853 | mode_t oldumask; |
274a4a44 | 854 | int save_errno; |
aa593d5e | 855 | |
856 | oldumask = umask (0777 & ~LOGFILE_MASK); | |
274a4a44 | 857 | zl->fp = fopen (zl->filename, "a"); |
858 | save_errno = errno; | |
859 | umask(oldumask); | |
860 | if (zl->fp == NULL) | |
aa593d5e | 861 | { |
274a4a44 | 862 | zlog_err("Log rotate failed: cannot open file %s for append: %s", |
863 | zl->filename, safe_strerror(save_errno)); | |
aa593d5e | 864 | return -1; |
865 | } | |
c4c7d0c4 | 866 | logfile_fd = fileno(zl->fp); |
274a4a44 | 867 | zl->maxlvl[ZLOG_DEST_FILE] = level; |
718e3744 | 868 | } |
869 | ||
870 | return 1; | |
871 | } | |
6b0655a2 | 872 | |
718e3744 | 873 | /* Message lookup function. */ |
8c328f11 | 874 | const char * |
1423c809 | 875 | lookup (const struct message *mes, int key) |
718e3744 | 876 | { |
1423c809 | 877 | const struct message *pnt; |
718e3744 | 878 | |
879 | for (pnt = mes; pnt->key != 0; pnt++) | |
880 | if (pnt->key == key) | |
881 | return pnt->str; | |
882 | ||
883 | return ""; | |
884 | } | |
885 | ||
afb88a66 | 886 | /* Older/faster version of message lookup function, but requires caller to pass |
11486b52 PJ |
887 | * in the array size (instead of relying on a 0 key to terminate the search). |
888 | * | |
889 | * The return value is the message string if found, or the 'none' pointer | |
890 | * provided otherwise. | |
891 | */ | |
8c328f11 | 892 | const char * |
51abba50 DT |
893 | mes_lookup (const struct message *meslist, int max, int index, |
894 | const char *none, const char *mesname) | |
718e3744 | 895 | { |
11486b52 PJ |
896 | int pos = index - meslist[0].key; |
897 | ||
afb88a66 | 898 | /* first check for best case: index is in range and matches the key |
11486b52 PJ |
899 | * value in that slot. |
900 | * NB: key numbering might be offset from 0. E.g. protocol constants | |
901 | * often start at 1. | |
902 | */ | |
903 | if ((pos >= 0) && (pos < max) | |
904 | && (meslist[pos].key == index)) | |
905 | return meslist[pos].str; | |
afb88a66 AS |
906 | |
907 | /* fall back to linear search */ | |
908 | { | |
909 | int i; | |
910 | ||
911 | for (i = 0; i < max; i++, meslist++) | |
912 | { | |
913 | if (meslist->key == index) | |
914 | { | |
11486b52 PJ |
915 | const char *str = (meslist->str ? meslist->str : none); |
916 | ||
51abba50 DT |
917 | zlog_debug ("message index %d [%s] found in %s at position %d (max is %d)", |
918 | index, str, mesname, i, max); | |
11486b52 | 919 | return str; |
afb88a66 AS |
920 | } |
921 | } | |
922 | } | |
51abba50 | 923 | zlog_err("message index %d not found in %s (max is %d)", index, mesname, max); |
11486b52 PJ |
924 | assert (none); |
925 | return none; | |
718e3744 | 926 | } |
ca359769 | 927 | |
928 | /* Wrapper around strerror to handle case where it returns NULL. */ | |
929 | const char * | |
930 | safe_strerror(int errnum) | |
931 | { | |
932 | const char *s = strerror(errnum); | |
933 | return (s != NULL) ? s : "Unknown error"; | |
934 | } | |
f52d13cb | 935 | |
d6d672aa PJ |
936 | #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' } |
937 | static const struct zebra_desc_table command_types[] = { | |
938 | DESC_ENTRY (ZEBRA_INTERFACE_ADD), | |
939 | DESC_ENTRY (ZEBRA_INTERFACE_DELETE), | |
940 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_ADD), | |
941 | DESC_ENTRY (ZEBRA_INTERFACE_ADDRESS_DELETE), | |
942 | DESC_ENTRY (ZEBRA_INTERFACE_UP), | |
943 | DESC_ENTRY (ZEBRA_INTERFACE_DOWN), | |
944 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_ADD), | |
945 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_DELETE), | |
946 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_ADD), | |
947 | DESC_ENTRY (ZEBRA_IPV6_ROUTE_DELETE), | |
948 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_ADD), | |
949 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DELETE), | |
950 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_ADD), | |
951 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_DEFAULT_DELETE), | |
d6d672aa PJ |
952 | DESC_ENTRY (ZEBRA_ROUTER_ID_ADD), |
953 | DESC_ENTRY (ZEBRA_ROUTER_ID_DELETE), | |
954 | DESC_ENTRY (ZEBRA_ROUTER_ID_UPDATE), | |
4c78376f | 955 | DESC_ENTRY (ZEBRA_HELLO), |
fb018d25 DS |
956 | DESC_ENTRY (ZEBRA_NEXTHOP_REGISTER), |
957 | DESC_ENTRY (ZEBRA_NEXTHOP_UNREGISTER), | |
958 | DESC_ENTRY (ZEBRA_NEXTHOP_UPDATE), | |
a7f6b2e2 | 959 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_ADD), |
960 | DESC_ENTRY (ZEBRA_INTERFACE_NBR_ADDRESS_DELETE), | |
961 | DESC_ENTRY (ZEBRA_INTERFACE_BFD_DEST_UPDATE), | |
962 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_REGISTER), | |
963 | DESC_ENTRY (ZEBRA_IMPORT_ROUTE_UNREGISTER), | |
078430f6 | 964 | DESC_ENTRY (ZEBRA_IMPORT_CHECK_UPDATE), |
a7f6b2e2 | 965 | DESC_ENTRY (ZEBRA_IPV4_ROUTE_IPV6_NEXTHOP_ADD), |
966 | DESC_ENTRY (ZEBRA_BFD_DEST_REGISTER), | |
967 | DESC_ENTRY (ZEBRA_BFD_DEST_DEREGISTER), | |
968 | DESC_ENTRY (ZEBRA_BFD_DEST_UPDATE), | |
969 | DESC_ENTRY (ZEBRA_BFD_DEST_REPLAY), | |
970 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_ADD), | |
971 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV4_DEL), | |
972 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_ADD), | |
c8e264b6 | 973 | DESC_ENTRY (ZEBRA_REDISTRIBUTE_IPV6_DEL), |
93f7342f DS |
974 | DESC_ENTRY (ZEBRA_VRF_UNREGISTER), |
975 | DESC_ENTRY (ZEBRA_VRF_ADD), | |
976 | DESC_ENTRY (ZEBRA_VRF_DELETE), | |
055c4dfc | 977 | DESC_ENTRY (ZEBRA_INTERFACE_VRF_UPDATE), |
4a04e5f7 | 978 | DESC_ENTRY (ZEBRA_BFD_CLIENT_REGISTER), |
979 | DESC_ENTRY (ZEBRA_INTERFACE_ENABLE_RADV), | |
93f7342f DS |
980 | DESC_ENTRY (ZEBRA_INTERFACE_DISABLE_RADV), |
981 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB), | |
ce549947 RW |
982 | DESC_ENTRY (ZEBRA_MPLS_LABELS_ADD), |
983 | DESC_ENTRY (ZEBRA_MPLS_LABELS_DELETE), | |
65efcfce LB |
984 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_ADD), |
985 | DESC_ENTRY (ZEBRA_IPV4_NEXTHOP_DELETE), | |
986 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_ADD), | |
987 | DESC_ENTRY (ZEBRA_IPV6_NEXTHOP_DELETE), | |
d6d672aa PJ |
988 | }; |
989 | #undef DESC_ENTRY | |
990 | ||
991 | static const struct zebra_desc_table unknown = { 0, "unknown", '?' }; | |
992 | ||
993 | static const struct zebra_desc_table * | |
f52d13cb | 994 | zroute_lookup(u_int zroute) |
995 | { | |
f52d13cb | 996 | u_int i; |
997 | ||
837d16cc | 998 | if (zroute >= array_size(route_types)) |
f52d13cb | 999 | { |
1000 | zlog_err("unknown zebra route type: %u", zroute); | |
1001 | return &unknown; | |
1002 | } | |
d6d672aa | 1003 | if (zroute == route_types[zroute].type) |
f52d13cb | 1004 | return &route_types[zroute]; |
837d16cc | 1005 | for (i = 0; i < array_size(route_types); i++) |
f52d13cb | 1006 | { |
d6d672aa | 1007 | if (zroute == route_types[i].type) |
f52d13cb | 1008 | { |
1009 | zlog_warn("internal error: route type table out of order " | |
1010 | "while searching for %u, please notify developers", zroute); | |
1011 | return &route_types[i]; | |
1012 | } | |
1013 | } | |
1014 | zlog_err("internal error: cannot find route type %u in table!", zroute); | |
1015 | return &unknown; | |
1016 | } | |
1017 | ||
1018 | const char * | |
1019 | zebra_route_string(u_int zroute) | |
1020 | { | |
1021 | return zroute_lookup(zroute)->string; | |
1022 | } | |
1023 | ||
1024 | char | |
1025 | zebra_route_char(u_int zroute) | |
1026 | { | |
1027 | return zroute_lookup(zroute)->chr; | |
1028 | } | |
d6d672aa PJ |
1029 | |
1030 | const char * | |
1031 | zserv_command_string (unsigned int command) | |
1032 | { | |
837d16cc | 1033 | if (command >= array_size(command_types)) |
d6d672aa PJ |
1034 | { |
1035 | zlog_err ("unknown zserv command type: %u", command); | |
1036 | return unknown.string; | |
1037 | } | |
1038 | return command_types[command].string; | |
1039 | } | |
7514fb77 | 1040 | |
7514fb77 PJ |
1041 | int |
1042 | proto_name2num(const char *s) | |
1043 | { | |
1044 | unsigned i; | |
1045 | ||
837d16cc | 1046 | for (i=0; i<array_size(route_types); ++i) |
7514fb77 PJ |
1047 | if (strcasecmp(s, route_types[i].string) == 0) |
1048 | return route_types[i].type; | |
1049 | return -1; | |
1050 | } | |
e0ca5fde | 1051 | |
e0ca5fde DL |
1052 | int |
1053 | proto_redistnum(int afi, const char *s) | |
1054 | { | |
1055 | if (! s) | |
1056 | return -1; | |
1057 | ||
1058 | if (afi == AFI_IP) | |
1059 | { | |
1060 | if (strncmp (s, "k", 1) == 0) | |
1061 | return ZEBRA_ROUTE_KERNEL; | |
1062 | else if (strncmp (s, "c", 1) == 0) | |
1063 | return ZEBRA_ROUTE_CONNECT; | |
1064 | else if (strncmp (s, "s", 1) == 0) | |
1065 | return ZEBRA_ROUTE_STATIC; | |
1066 | else if (strncmp (s, "r", 1) == 0) | |
1067 | return ZEBRA_ROUTE_RIP; | |
1068 | else if (strncmp (s, "o", 1) == 0) | |
1069 | return ZEBRA_ROUTE_OSPF; | |
1070 | else if (strncmp (s, "i", 1) == 0) | |
1071 | return ZEBRA_ROUTE_ISIS; | |
f8a246d6 | 1072 | else if (strncmp (s, "bg", 2) == 0) |
e0ca5fde | 1073 | return ZEBRA_ROUTE_BGP; |
a48f437a | 1074 | else if (strncmp (s, "ta", 2) == 0) |
7a4bb9c5 | 1075 | return ZEBRA_ROUTE_TABLE; |
65efcfce LB |
1076 | else if (strncmp (s, "v", 1) == 0) |
1077 | return ZEBRA_ROUTE_VNC; | |
1078 | else if (strncmp (s, "vd", 1) == 0) | |
1079 | return ZEBRA_ROUTE_VNC_DIRECT; | |
e0ca5fde DL |
1080 | } |
1081 | if (afi == AFI_IP6) | |
1082 | { | |
1083 | if (strncmp (s, "k", 1) == 0) | |
1084 | return ZEBRA_ROUTE_KERNEL; | |
1085 | else if (strncmp (s, "c", 1) == 0) | |
1086 | return ZEBRA_ROUTE_CONNECT; | |
1087 | else if (strncmp (s, "s", 1) == 0) | |
1088 | return ZEBRA_ROUTE_STATIC; | |
1089 | else if (strncmp (s, "r", 1) == 0) | |
1090 | return ZEBRA_ROUTE_RIPNG; | |
1091 | else if (strncmp (s, "o", 1) == 0) | |
1092 | return ZEBRA_ROUTE_OSPF6; | |
1093 | else if (strncmp (s, "i", 1) == 0) | |
1094 | return ZEBRA_ROUTE_ISIS; | |
f8a246d6 | 1095 | else if (strncmp (s, "bg", 2) == 0) |
e0ca5fde | 1096 | return ZEBRA_ROUTE_BGP; |
a48f437a | 1097 | else if (strncmp (s, "ta", 2) == 0) |
7a4bb9c5 | 1098 | return ZEBRA_ROUTE_TABLE; |
65efcfce LB |
1099 | else if (strncmp (s, "v", 1) == 0) |
1100 | return ZEBRA_ROUTE_VNC; | |
1101 | else if (strncmp (s, "vd", 1) == 0) | |
1102 | return ZEBRA_ROUTE_VNC_DIRECT; | |
e0ca5fde DL |
1103 | } |
1104 | return -1; | |
1105 | } | |
99a6c6cd DW |
1106 | |
1107 | void | |
a9b5cbe5 | 1108 | zlog_hexdump (const void *mem, unsigned int len) { |
99a6c6cd DW |
1109 | unsigned long i = 0; |
1110 | unsigned int j = 0; | |
1111 | unsigned int columns = 8; | |
1112 | char buf[(len * 4) + ((len/4) * 20) + 30]; | |
1113 | char *s = buf; | |
1114 | ||
1115 | for (i = 0; i < len + ((len % columns) ? (columns - len % columns) : 0); i++) | |
1116 | { | |
1117 | /* print offset */ | |
1118 | if (i % columns == 0) | |
1119 | s += sprintf(s, "0x%016lx: ", (unsigned long)mem + i); | |
1120 | ||
1121 | /* print hex data */ | |
1122 | if (i < len) | |
a9b5cbe5 | 1123 | s += sprintf(s, "%02x ", 0xFF & ((const char*)mem)[i]); |
99a6c6cd DW |
1124 | |
1125 | /* end of block, just aligning for ASCII dump */ | |
1126 | else | |
1127 | s += sprintf(s, " "); | |
1128 | ||
1129 | /* print ASCII dump */ | |
1130 | if (i % columns == (columns - 1)) | |
1131 | { | |
1132 | for (j = i - (columns - 1); j <= i; j++) | |
1133 | { | |
1134 | if (j >= len) /* end of block, not really printing */ | |
1135 | s += sprintf(s, " "); | |
1136 | ||
a9b5cbe5 DS |
1137 | else if(isprint((int)((const char *)mem)[j])) /* printable char */ |
1138 | s += sprintf(s, "%c", 0xFF & ((const char *)mem)[j]); | |
99a6c6cd DW |
1139 | |
1140 | else /* other char */ | |
1141 | s += sprintf(s, "."); | |
1142 | } | |
1143 | s += sprintf(s, "\n"); | |
1144 | } | |
1145 | } | |
1146 | zlog_debug("\n%s", buf); | |
1147 | } |