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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 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
ab0181ee | 22 | #define FRR_DEFINE_DESC_TABLE |
e0ca5fde | 23 | |
718e3744 | 24 | #include <zebra.h> |
25 | ||
8613585e | 26 | #include "zclient.h" |
718e3744 | 27 | #include "log.h" |
28 | #include "memory.h" | |
29 | #include "command.h" | |
481bc15f | 30 | #include "lib_errors.h" |
77d9c926 | 31 | #include "lib/hook.h" |
807f5b98 | 32 | #include "printfrr.h" |
00dffa8c | 33 | #include "frr_pthread.h" |
481bc15f | 34 | |
68b8a15f DL |
35 | #ifdef HAVE_LIBUNWIND |
36 | #define UNW_LOCAL_ONLY | |
37 | #include <libunwind.h> | |
38 | #include <dlfcn.h> | |
39 | #endif | |
40 | ||
56b40679 QY |
41 | /** |
42 | * Looks up a message in a message list by key. | |
43 | * | |
44 | * If the message is not found, returns the provided error message. | |
45 | * | |
46 | * Terminates when it hits a struct message that's all zeros. | |
47 | * | |
48 | * @param mz the message list | |
49 | * @param kz the message key | |
50 | * @param nf the message to return if not found | |
51 | * @return the message | |
52 | */ | |
d62a17ae | 53 | const char *lookup_msg(const struct message *mz, int kz, const char *nf) |
56b40679 | 54 | { |
d62a17ae | 55 | static struct message nt = {0}; |
56 | const char *rz = nf ? nf : "(no message found)"; | |
57 | const struct message *pnt; | |
58 | for (pnt = mz; memcmp(pnt, &nt, sizeof(struct message)); pnt++) | |
59 | if (pnt->key == kz) { | |
60 | rz = pnt->str ? pnt->str : rz; | |
61 | break; | |
62 | } | |
63 | return rz; | |
56b40679 | 64 | } |
718e3744 | 65 | |
56b40679 | 66 | /* For time string format. */ |
d62a17ae | 67 | size_t quagga_timestamp(int timestamp_precision, char *buf, size_t buflen) |
718e3744 | 68 | { |
d62a17ae | 69 | static struct { |
70 | time_t last; | |
71 | size_t len; | |
72 | char buf[28]; | |
73 | } cache; | |
74 | struct timeval clock; | |
75 | ||
76 | gettimeofday(&clock, NULL); | |
77 | ||
78 | /* first, we update the cache if the time has changed */ | |
79 | if (cache.last != clock.tv_sec) { | |
a2700b50 | 80 | struct tm tm; |
d62a17ae | 81 | cache.last = clock.tv_sec; |
a2700b50 | 82 | localtime_r(&cache.last, &tm); |
d62a17ae | 83 | cache.len = strftime(cache.buf, sizeof(cache.buf), |
a2700b50 | 84 | "%Y/%m/%d %H:%M:%S", &tm); |
d62a17ae | 85 | } |
86 | /* note: it's not worth caching the subsecond part, because | |
87 | chances are that back-to-back calls are not sufficiently close | |
88 | together | |
89 | for the clock not to have ticked forward */ | |
90 | ||
91 | if (buflen > cache.len) { | |
92 | memcpy(buf, cache.buf, cache.len); | |
93 | if ((timestamp_precision > 0) | |
94 | && (buflen > cache.len + 1 + timestamp_precision)) { | |
95 | /* should we worry about locale issues? */ | |
96 | static const int divisor[] = {0, 100000, 10000, 1000, | |
97 | 100, 10, 1}; | |
98 | int prec; | |
99 | char *p = buf + cache.len + 1 | |
100 | + (prec = timestamp_precision); | |
101 | *p-- = '\0'; | |
102 | while (prec > 6) | |
103 | /* this is unlikely to happen, but protect anyway */ | |
104 | { | |
105 | *p-- = '0'; | |
106 | prec--; | |
107 | } | |
108 | clock.tv_usec /= divisor[prec]; | |
109 | do { | |
110 | *p-- = '0' + (clock.tv_usec % 10); | |
111 | clock.tv_usec /= 10; | |
112 | } while (--prec > 0); | |
113 | *p = '.'; | |
114 | return cache.len + 1 + timestamp_precision; | |
115 | } | |
116 | buf[cache.len] = '\0'; | |
117 | return cache.len; | |
1ed72e0b | 118 | } |
d62a17ae | 119 | if (buflen > 0) |
120 | buf[0] = '\0'; | |
121 | return 0; | |
1ed72e0b | 122 | } |
718e3744 | 123 | |
c22f6d8c DL |
124 | /* |
125 | * crash handling | |
126 | * | |
127 | * NB: only AS-Safe (async-signal) functions can be used here! | |
128 | */ | |
7d149b8e | 129 | |
c22f6d8c DL |
130 | /* Note: the goal here is to use only async-signal-safe functions. */ |
131 | void zlog_signal(int signo, const char *action, void *siginfo_v, | |
132 | void *program_counter) | |
133 | { | |
c22f6d8c | 134 | siginfo_t *siginfo = siginfo_v; |
c22f6d8c DL |
135 | time_t now; |
136 | char buf[sizeof("DEFAULT: Received signal S at T (si_addr 0xP, PC 0xP); aborting...") | |
137 | + 100]; | |
c22f6d8c DL |
138 | struct fbuf fb = { .buf = buf, .pos = buf, .len = sizeof(buf) }; |
139 | ||
140 | time(&now); | |
c22f6d8c DL |
141 | |
142 | bprintfrr(&fb, "Received signal %d at %lld", signo, (long long)now); | |
c22f6d8c DL |
143 | if (program_counter) |
144 | bprintfrr(&fb, " (si_addr 0x%tx, PC 0x%tx)", | |
145 | (ptrdiff_t)siginfo->si_addr, | |
146 | (ptrdiff_t)program_counter); | |
147 | else | |
148 | bprintfrr(&fb, " (si_addr 0x%tx)", | |
149 | (ptrdiff_t)siginfo->si_addr); | |
c22f6d8c DL |
150 | bprintfrr(&fb, "; %s\n", action); |
151 | ||
0bdeb5e5 | 152 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); |
c22f6d8c | 153 | |
0bdeb5e5 | 154 | zlog_backtrace_sigsafe(LOG_CRIT, program_counter); |
c22f6d8c DL |
155 | |
156 | fb.pos = buf; | |
d62a17ae | 157 | |
d62a17ae | 158 | struct thread *tc; |
159 | tc = pthread_getspecific(thread_current); | |
d1265948 | 160 | |
c22f6d8c DL |
161 | if (!tc) |
162 | bprintfrr(&fb, "no thread information available\n"); | |
163 | else | |
164 | bprintfrr(&fb, "in thread %s scheduled from %s:%d\n", | |
165 | tc->funcname, tc->schedfrom, tc->schedfrom_line); | |
d1265948 | 166 | |
0bdeb5e5 | 167 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); |
063ee52a | 168 | } |
169 | ||
170 | /* Log a backtrace using only async-signal-safe functions. | |
171 | Needs to be enhanced to support syslog logging. */ | |
d62a17ae | 172 | void zlog_backtrace_sigsafe(int priority, void *program_counter) |
063ee52a | 173 | { |
68b8a15f | 174 | #ifdef HAVE_LIBUNWIND |
c22f6d8c DL |
175 | char buf[256]; |
176 | struct fbuf fb = { .buf = buf, .len = sizeof(buf) }; | |
68b8a15f DL |
177 | unw_cursor_t cursor; |
178 | unw_context_t uc; | |
179 | unw_word_t ip, off, sp; | |
180 | Dl_info dlinfo; | |
181 | ||
182 | unw_getcontext(&uc); | |
183 | unw_init_local(&cursor, &uc); | |
184 | while (unw_step(&cursor) > 0) { | |
185 | char name[128] = "?"; | |
186 | ||
187 | unw_get_reg(&cursor, UNW_REG_IP, &ip); | |
188 | unw_get_reg(&cursor, UNW_REG_SP, &sp); | |
189 | ||
c22f6d8c DL |
190 | if (!unw_get_proc_name(&cursor, buf, sizeof(buf), &off)) |
191 | snprintfrr(name, sizeof(name), "%s+%#lx", | |
192 | buf, (long)off); | |
68b8a15f | 193 | |
c22f6d8c DL |
194 | fb.pos = buf; |
195 | if (unw_is_signal_frame(&cursor)) | |
196 | bprintfrr(&fb, " ---- signal ----\n"); | |
197 | bprintfrr(&fb, "%-30s %16lx %16lx", name, (long)ip, (long)sp); | |
198 | if (dladdr((void *)ip, &dlinfo)) | |
199 | bprintfrr(&fb, " %s (mapped at %p)", | |
200 | dlinfo.dli_fname, dlinfo.dli_fbase); | |
201 | bprintfrr(&fb, "\n"); | |
0bdeb5e5 | 202 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); |
68b8a15f | 203 | } |
0bdeb5e5 | 204 | #elif defined(HAVE_GLIBC_BACKTRACE) |
d62a17ae | 205 | void *array[64]; |
0bdeb5e5 | 206 | int size, i; |
c22f6d8c DL |
207 | char buf[128]; |
208 | struct fbuf fb = { .buf = buf, .pos = buf, .len = sizeof(buf) }; | |
209 | char **bt = NULL; | |
59a06a91 | 210 | |
d62a17ae | 211 | size = backtrace(array, array_size(array)); |
212 | if (size <= 0 || (size_t)size > array_size(array)) | |
213 | return; | |
214 | ||
0bdeb5e5 DL |
215 | bprintfrr(&fb, "Backtrace for %d stack frames:", size); |
216 | zlog_sigsafe(fb.pos, fb.buf - fb.pos); | |
217 | ||
218 | bt = backtrace_symbols(array, size); | |
219 | ||
220 | for (i = 0; i < size; i++) { | |
221 | fb.pos = buf; | |
222 | if (bt) | |
223 | bprintfrr(&fb, "%s", bt[i]); | |
224 | else | |
225 | bprintfrr(&fb, "[bt %d] 0x%tx", i, | |
226 | (ptrdiff_t)(array[i])); | |
227 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); | |
d62a17ae | 228 | } |
0bdeb5e5 DL |
229 | if (bt) |
230 | free(bt); | |
fb66b29c | 231 | #endif /* HAVE_STRACK_TRACE */ |
063ee52a | 232 | } |
233 | ||
d62a17ae | 234 | void zlog_backtrace(int priority) |
063ee52a | 235 | { |
68b8a15f DL |
236 | #ifdef HAVE_LIBUNWIND |
237 | char buf[100]; | |
238 | unw_cursor_t cursor; | |
239 | unw_context_t uc; | |
240 | unw_word_t ip, off, sp; | |
241 | Dl_info dlinfo; | |
242 | ||
243 | unw_getcontext(&uc); | |
244 | unw_init_local(&cursor, &uc); | |
245 | zlog(priority, "Backtrace:"); | |
246 | while (unw_step(&cursor) > 0) { | |
247 | char name[128] = "?"; | |
248 | ||
249 | unw_get_reg(&cursor, UNW_REG_IP, &ip); | |
250 | unw_get_reg(&cursor, UNW_REG_SP, &sp); | |
251 | ||
252 | if (unw_is_signal_frame(&cursor)) | |
253 | zlog(priority, " ---- signal ----"); | |
254 | ||
255 | if (!unw_get_proc_name(&cursor, buf, sizeof(buf), &off)) | |
256 | snprintf(name, sizeof(name), "%s+%#lx", | |
257 | buf, (long)off); | |
258 | ||
259 | if (dladdr((void *)ip, &dlinfo)) | |
260 | zlog(priority, "%-30s %16lx %16lx %s (mapped at %p)", | |
261 | name, (long)ip, (long)sp, | |
262 | dlinfo.dli_fname, dlinfo.dli_fbase); | |
263 | else | |
264 | zlog(priority, "%-30s %16lx %16lx", | |
265 | name, (long)ip, (long)sp); | |
266 | } | |
267 | #elif defined(HAVE_GLIBC_BACKTRACE) | |
d62a17ae | 268 | void *array[20]; |
269 | int size, i; | |
270 | char **strings; | |
271 | ||
272 | size = backtrace(array, array_size(array)); | |
273 | if (size <= 0 || (size_t)size > array_size(array)) { | |
09c866e3 | 274 | flog_err_sys( |
450971aa | 275 | EC_LIB_SYSTEM_CALL, |
3efd0893 | 276 | "Cannot get backtrace, returned invalid # of frames %d (valid range is between 1 and %lu)", |
09c866e3 | 277 | size, (unsigned long)(array_size(array))); |
d62a17ae | 278 | return; |
279 | } | |
280 | zlog(priority, "Backtrace for %d stack frames:", size); | |
281 | if (!(strings = backtrace_symbols(array, size))) { | |
450971aa | 282 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
09c866e3 | 283 | "Cannot get backtrace symbols (out of memory?)"); |
d62a17ae | 284 | for (i = 0; i < size; i++) |
285 | zlog(priority, "[bt %d] %p", i, array[i]); | |
286 | } else { | |
287 | for (i = 0; i < size; i++) | |
288 | zlog(priority, "[bt %d] %s", i, strings[i]); | |
289 | free(strings); | |
290 | } | |
68b8a15f DL |
291 | #else /* !HAVE_GLIBC_BACKTRACE && !HAVE_LIBUNWIND */ |
292 | zlog(priority, "No backtrace available on this platform."); | |
293 | #endif | |
59a06a91 | 294 | } |
295 | ||
d62a17ae | 296 | void zlog_thread_info(int log_level) |
d1265948 | 297 | { |
d62a17ae | 298 | struct thread *tc; |
299 | tc = pthread_getspecific(thread_current); | |
300 | ||
301 | if (tc) | |
302 | zlog(log_level, | |
3efd0893 | 303 | "Current thread function %s, scheduled from file %s, line %u", |
d62a17ae | 304 | tc->funcname, tc->schedfrom, tc->schedfrom_line); |
305 | else | |
306 | zlog(log_level, "Current thread not known/applicable"); | |
d1265948 DL |
307 | } |
308 | ||
d62a17ae | 309 | void _zlog_assert_failed(const char *assertion, const char *file, |
310 | unsigned int line, const char *function) | |
cee3df1e | 311 | { |
d62a17ae | 312 | zlog(LOG_CRIT, "Assertion `%s' failed in file %s, line %u, function %s", |
313 | assertion, file, line, (function ? function : "?")); | |
314 | zlog_backtrace(LOG_CRIT); | |
315 | zlog_thread_info(LOG_CRIT); | |
9eed278b | 316 | log_memstats(stderr, "log"); |
d62a17ae | 317 | abort(); |
cee3df1e | 318 | } |
319 | ||
d62a17ae | 320 | void memory_oom(size_t size, const char *name) |
3b4cd783 | 321 | { |
0bdeb5e5 DL |
322 | zlog(LOG_CRIT, |
323 | "out of memory: failed to allocate %zu bytes for %s object", | |
324 | size, name); | |
325 | zlog_backtrace(LOG_CRIT); | |
326 | log_memstats(stderr, "log"); | |
3b4cd783 DL |
327 | abort(); |
328 | } | |
6b0655a2 | 329 | |
ca359769 | 330 | /* Wrapper around strerror to handle case where it returns NULL. */ |
d62a17ae | 331 | const char *safe_strerror(int errnum) |
ca359769 | 332 | { |
d62a17ae | 333 | const char *s = strerror(errnum); |
334 | return (s != NULL) ? s : "Unknown error"; | |
ca359769 | 335 | } |
f52d13cb | 336 | |
d6d672aa PJ |
337 | #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' } |
338 | static const struct zebra_desc_table command_types[] = { | |
d62a17ae | 339 | DESC_ENTRY(ZEBRA_INTERFACE_ADD), |
340 | DESC_ENTRY(ZEBRA_INTERFACE_DELETE), | |
341 | DESC_ENTRY(ZEBRA_INTERFACE_ADDRESS_ADD), | |
342 | DESC_ENTRY(ZEBRA_INTERFACE_ADDRESS_DELETE), | |
343 | DESC_ENTRY(ZEBRA_INTERFACE_UP), | |
344 | DESC_ENTRY(ZEBRA_INTERFACE_DOWN), | |
e0ae31b8 | 345 | DESC_ENTRY(ZEBRA_INTERFACE_SET_MASTER), |
0e51b4a3 RW |
346 | DESC_ENTRY(ZEBRA_ROUTE_ADD), |
347 | DESC_ENTRY(ZEBRA_ROUTE_DELETE), | |
7ea7b86e | 348 | DESC_ENTRY(ZEBRA_ROUTE_NOTIFY_OWNER), |
d62a17ae | 349 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ADD), |
350 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DELETE), | |
351 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DEFAULT_ADD), | |
352 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE), | |
353 | DESC_ENTRY(ZEBRA_ROUTER_ID_ADD), | |
354 | DESC_ENTRY(ZEBRA_ROUTER_ID_DELETE), | |
355 | DESC_ENTRY(ZEBRA_ROUTER_ID_UPDATE), | |
356 | DESC_ENTRY(ZEBRA_HELLO), | |
4cf8bb32 | 357 | DESC_ENTRY(ZEBRA_CAPABILITIES), |
d62a17ae | 358 | DESC_ENTRY(ZEBRA_NEXTHOP_REGISTER), |
359 | DESC_ENTRY(ZEBRA_NEXTHOP_UNREGISTER), | |
360 | DESC_ENTRY(ZEBRA_NEXTHOP_UPDATE), | |
361 | DESC_ENTRY(ZEBRA_INTERFACE_NBR_ADDRESS_ADD), | |
362 | DESC_ENTRY(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE), | |
363 | DESC_ENTRY(ZEBRA_INTERFACE_BFD_DEST_UPDATE), | |
364 | DESC_ENTRY(ZEBRA_IMPORT_ROUTE_REGISTER), | |
365 | DESC_ENTRY(ZEBRA_IMPORT_ROUTE_UNREGISTER), | |
366 | DESC_ENTRY(ZEBRA_IMPORT_CHECK_UPDATE), | |
d62a17ae | 367 | DESC_ENTRY(ZEBRA_BFD_DEST_REGISTER), |
368 | DESC_ENTRY(ZEBRA_BFD_DEST_DEREGISTER), | |
369 | DESC_ENTRY(ZEBRA_BFD_DEST_UPDATE), | |
370 | DESC_ENTRY(ZEBRA_BFD_DEST_REPLAY), | |
74489921 RW |
371 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ROUTE_ADD), |
372 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ROUTE_DEL), | |
d62a17ae | 373 | DESC_ENTRY(ZEBRA_VRF_UNREGISTER), |
374 | DESC_ENTRY(ZEBRA_VRF_ADD), | |
375 | DESC_ENTRY(ZEBRA_VRF_DELETE), | |
c83c5e44 | 376 | DESC_ENTRY(ZEBRA_VRF_LABEL), |
d62a17ae | 377 | DESC_ENTRY(ZEBRA_INTERFACE_VRF_UPDATE), |
378 | DESC_ENTRY(ZEBRA_BFD_CLIENT_REGISTER), | |
4cf8bb32 | 379 | DESC_ENTRY(ZEBRA_BFD_CLIENT_DEREGISTER), |
d62a17ae | 380 | DESC_ENTRY(ZEBRA_INTERFACE_ENABLE_RADV), |
381 | DESC_ENTRY(ZEBRA_INTERFACE_DISABLE_RADV), | |
382 | DESC_ENTRY(ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB), | |
383 | DESC_ENTRY(ZEBRA_INTERFACE_LINK_PARAMS), | |
384 | DESC_ENTRY(ZEBRA_MPLS_LABELS_ADD), | |
385 | DESC_ENTRY(ZEBRA_MPLS_LABELS_DELETE), | |
ea6b290b | 386 | DESC_ENTRY(ZEBRA_MPLS_LABELS_REPLACE), |
31f937fb SM |
387 | DESC_ENTRY(ZEBRA_SR_POLICY_SET), |
388 | DESC_ENTRY(ZEBRA_SR_POLICY_DELETE), | |
389 | DESC_ENTRY(ZEBRA_SR_POLICY_NOTIFY_STATUS), | |
d62a17ae | 390 | DESC_ENTRY(ZEBRA_IPMR_ROUTE_STATS), |
391 | DESC_ENTRY(ZEBRA_LABEL_MANAGER_CONNECT), | |
f533be73 | 392 | DESC_ENTRY(ZEBRA_LABEL_MANAGER_CONNECT_ASYNC), |
d62a17ae | 393 | DESC_ENTRY(ZEBRA_GET_LABEL_CHUNK), |
394 | DESC_ENTRY(ZEBRA_RELEASE_LABEL_CHUNK), | |
4cf8bb32 DS |
395 | DESC_ENTRY(ZEBRA_FEC_REGISTER), |
396 | DESC_ENTRY(ZEBRA_FEC_UNREGISTER), | |
397 | DESC_ENTRY(ZEBRA_FEC_UPDATE), | |
d62a17ae | 398 | DESC_ENTRY(ZEBRA_ADVERTISE_ALL_VNI), |
1a98c087 | 399 | DESC_ENTRY(ZEBRA_ADVERTISE_DEFAULT_GW), |
fc08a52f | 400 | DESC_ENTRY(ZEBRA_ADVERTISE_SVI_MACIP), |
31310b25 | 401 | DESC_ENTRY(ZEBRA_ADVERTISE_SUBNET), |
50f74cf1 | 402 | DESC_ENTRY(ZEBRA_LOCAL_ES_ADD), |
403 | DESC_ENTRY(ZEBRA_LOCAL_ES_DEL), | |
ce5160c0 AK |
404 | DESC_ENTRY(ZEBRA_REMOTE_ES_VTEP_ADD), |
405 | DESC_ENTRY(ZEBRA_REMOTE_ES_VTEP_DEL), | |
406 | DESC_ENTRY(ZEBRA_LOCAL_ES_EVI_ADD), | |
407 | DESC_ENTRY(ZEBRA_LOCAL_ES_EVI_DEL), | |
d62a17ae | 408 | DESC_ENTRY(ZEBRA_VNI_ADD), |
409 | DESC_ENTRY(ZEBRA_VNI_DEL), | |
b7cfce93 MK |
410 | DESC_ENTRY(ZEBRA_L3VNI_ADD), |
411 | DESC_ENTRY(ZEBRA_L3VNI_DEL), | |
d62a17ae | 412 | DESC_ENTRY(ZEBRA_REMOTE_VTEP_ADD), |
413 | DESC_ENTRY(ZEBRA_REMOTE_VTEP_DEL), | |
414 | DESC_ENTRY(ZEBRA_MACIP_ADD), | |
415 | DESC_ENTRY(ZEBRA_MACIP_DEL), | |
31310b25 MK |
416 | DESC_ENTRY(ZEBRA_IP_PREFIX_ROUTE_ADD), |
417 | DESC_ENTRY(ZEBRA_IP_PREFIX_ROUTE_DEL), | |
d62a17ae | 418 | DESC_ENTRY(ZEBRA_REMOTE_MACIP_ADD), |
419 | DESC_ENTRY(ZEBRA_REMOTE_MACIP_DEL), | |
3950b52c | 420 | DESC_ENTRY(ZEBRA_DUPLICATE_ADDR_DETECTION), |
6833ae01 | 421 | DESC_ENTRY(ZEBRA_PW_ADD), |
422 | DESC_ENTRY(ZEBRA_PW_DELETE), | |
423 | DESC_ENTRY(ZEBRA_PW_SET), | |
424 | DESC_ENTRY(ZEBRA_PW_UNSET), | |
425 | DESC_ENTRY(ZEBRA_PW_STATUS_UPDATE), | |
e16abbb3 DS |
426 | DESC_ENTRY(ZEBRA_RULE_ADD), |
427 | DESC_ENTRY(ZEBRA_RULE_DELETE), | |
428 | DESC_ENTRY(ZEBRA_RULE_NOTIFY_OWNER), | |
75fb51c1 PG |
429 | DESC_ENTRY(ZEBRA_TABLE_MANAGER_CONNECT), |
430 | DESC_ENTRY(ZEBRA_GET_TABLE_CHUNK), | |
431 | DESC_ENTRY(ZEBRA_RELEASE_TABLE_CHUNK), | |
d59c13af PG |
432 | DESC_ENTRY(ZEBRA_IPSET_CREATE), |
433 | DESC_ENTRY(ZEBRA_IPSET_DESTROY), | |
434 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_ADD), | |
435 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_DELETE), | |
4cf8bb32 DS |
436 | DESC_ENTRY(ZEBRA_IPSET_NOTIFY_OWNER), |
437 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_NOTIFY_OWNER), | |
438 | DESC_ENTRY(ZEBRA_IPTABLE_ADD), | |
439 | DESC_ENTRY(ZEBRA_IPTABLE_DELETE), | |
440 | DESC_ENTRY(ZEBRA_IPTABLE_NOTIFY_OWNER), | |
fbac9605 | 441 | DESC_ENTRY(ZEBRA_VXLAN_FLOOD_CONTROL), |
4ab3321f AK |
442 | DESC_ENTRY(ZEBRA_VXLAN_SG_ADD), |
443 | DESC_ENTRY(ZEBRA_VXLAN_SG_DEL), | |
ecbbc3a7 | 444 | DESC_ENTRY(ZEBRA_VXLAN_SG_REPLAY), |
d1a3e8df AK |
445 | DESC_ENTRY(ZEBRA_MLAG_PROCESS_UP), |
446 | DESC_ENTRY(ZEBRA_MLAG_PROCESS_DOWN), | |
447 | DESC_ENTRY(ZEBRA_MLAG_CLIENT_REGISTER), | |
448 | DESC_ENTRY(ZEBRA_MLAG_CLIENT_UNREGISTER), | |
449 | DESC_ENTRY(ZEBRA_MLAG_FORWARD_MSG), | |
9ab0b2a3 | 450 | DESC_ENTRY(ZEBRA_ERROR), |
ff491140 MS |
451 | DESC_ENTRY(ZEBRA_CLIENT_CAPABILITIES), |
452 | DESC_ENTRY(ZEBRA_OPAQUE_MESSAGE), | |
453 | DESC_ENTRY(ZEBRA_OPAQUE_REGISTER), | |
d68e74b4 | 454 | DESC_ENTRY(ZEBRA_OPAQUE_UNREGISTER), |
b36bedd2 SW |
455 | DESC_ENTRY(ZEBRA_NEIGH_DISCOVER), |
456 | DESC_ENTRY(ZEBRA_NHG_ADD), | |
391c7a3b SW |
457 | DESC_ENTRY(ZEBRA_NHG_DEL), |
458 | DESC_ENTRY(ZEBRA_NHG_NOTIFY_OWNER)}; | |
d6d672aa PJ |
459 | #undef DESC_ENTRY |
460 | ||
d62a17ae | 461 | static const struct zebra_desc_table unknown = {0, "unknown", '?'}; |
d6d672aa | 462 | |
d7c0a89a | 463 | static const struct zebra_desc_table *zroute_lookup(unsigned int zroute) |
f52d13cb | 464 | { |
d7c0a89a | 465 | unsigned int i; |
d62a17ae | 466 | |
467 | if (zroute >= array_size(route_types)) { | |
450971aa | 468 | flog_err(EC_LIB_DEVELOPMENT, "unknown zebra route type: %u", |
1c50c1c0 | 469 | zroute); |
d62a17ae | 470 | return &unknown; |
471 | } | |
472 | if (zroute == route_types[zroute].type) | |
473 | return &route_types[zroute]; | |
474 | for (i = 0; i < array_size(route_types); i++) { | |
475 | if (zroute == route_types[i].type) { | |
476 | zlog_warn( | |
3efd0893 | 477 | "internal error: route type table out of order while searching for %u, please notify developers", |
d62a17ae | 478 | zroute); |
479 | return &route_types[i]; | |
480 | } | |
481 | } | |
450971aa | 482 | flog_err(EC_LIB_DEVELOPMENT, |
1c50c1c0 | 483 | "internal error: cannot find route type %u in table!", zroute); |
d62a17ae | 484 | return &unknown; |
f52d13cb | 485 | } |
486 | ||
d7c0a89a | 487 | const char *zebra_route_string(unsigned int zroute) |
f52d13cb | 488 | { |
d62a17ae | 489 | return zroute_lookup(zroute)->string; |
f52d13cb | 490 | } |
491 | ||
d7c0a89a | 492 | char zebra_route_char(unsigned int zroute) |
f52d13cb | 493 | { |
d62a17ae | 494 | return zroute_lookup(zroute)->chr; |
f52d13cb | 495 | } |
d6d672aa | 496 | |
d62a17ae | 497 | const char *zserv_command_string(unsigned int command) |
d6d672aa | 498 | { |
d62a17ae | 499 | if (command >= array_size(command_types)) { |
450971aa | 500 | flog_err(EC_LIB_DEVELOPMENT, "unknown zserv command type: %u", |
1c50c1c0 | 501 | command); |
d62a17ae | 502 | return unknown.string; |
503 | } | |
504 | return command_types[command].string; | |
d6d672aa | 505 | } |
7514fb77 | 506 | |
d62a17ae | 507 | int proto_name2num(const char *s) |
7514fb77 | 508 | { |
d62a17ae | 509 | unsigned i; |
7514fb77 | 510 | |
d62a17ae | 511 | for (i = 0; i < array_size(route_types); ++i) |
512 | if (strcasecmp(s, route_types[i].string) == 0) | |
513 | return route_types[i].type; | |
514 | return -1; | |
7514fb77 | 515 | } |
e0ca5fde | 516 | |
d62a17ae | 517 | int proto_redistnum(int afi, const char *s) |
e0ca5fde | 518 | { |
d62a17ae | 519 | if (!s) |
520 | return -1; | |
521 | ||
522 | if (afi == AFI_IP) { | |
523 | if (strmatch(s, "kernel")) | |
524 | return ZEBRA_ROUTE_KERNEL; | |
525 | else if (strmatch(s, "connected")) | |
526 | return ZEBRA_ROUTE_CONNECT; | |
527 | else if (strmatch(s, "static")) | |
528 | return ZEBRA_ROUTE_STATIC; | |
529 | else if (strmatch(s, "rip")) | |
530 | return ZEBRA_ROUTE_RIP; | |
531 | else if (strmatch(s, "eigrp")) | |
532 | return ZEBRA_ROUTE_EIGRP; | |
533 | else if (strmatch(s, "ospf")) | |
534 | return ZEBRA_ROUTE_OSPF; | |
535 | else if (strmatch(s, "isis")) | |
536 | return ZEBRA_ROUTE_ISIS; | |
537 | else if (strmatch(s, "bgp")) | |
538 | return ZEBRA_ROUTE_BGP; | |
539 | else if (strmatch(s, "table")) | |
540 | return ZEBRA_ROUTE_TABLE; | |
541 | else if (strmatch(s, "vnc")) | |
542 | return ZEBRA_ROUTE_VNC; | |
543 | else if (strmatch(s, "vnc-direct")) | |
544 | return ZEBRA_ROUTE_VNC_DIRECT; | |
545 | else if (strmatch(s, "nhrp")) | |
546 | return ZEBRA_ROUTE_NHRP; | |
547 | else if (strmatch(s, "babel")) | |
548 | return ZEBRA_ROUTE_BABEL; | |
8a71d93d DS |
549 | else if (strmatch(s, "sharp")) |
550 | return ZEBRA_ROUTE_SHARP; | |
7c0cbd0e CF |
551 | else if (strmatch(s, "openfabric")) |
552 | return ZEBRA_ROUTE_OPENFABRIC; | |
d62a17ae | 553 | } |
554 | if (afi == AFI_IP6) { | |
555 | if (strmatch(s, "kernel")) | |
556 | return ZEBRA_ROUTE_KERNEL; | |
557 | else if (strmatch(s, "connected")) | |
558 | return ZEBRA_ROUTE_CONNECT; | |
559 | else if (strmatch(s, "static")) | |
560 | return ZEBRA_ROUTE_STATIC; | |
561 | else if (strmatch(s, "ripng")) | |
562 | return ZEBRA_ROUTE_RIPNG; | |
563 | else if (strmatch(s, "ospf6")) | |
564 | return ZEBRA_ROUTE_OSPF6; | |
565 | else if (strmatch(s, "isis")) | |
566 | return ZEBRA_ROUTE_ISIS; | |
567 | else if (strmatch(s, "bgp")) | |
568 | return ZEBRA_ROUTE_BGP; | |
569 | else if (strmatch(s, "table")) | |
570 | return ZEBRA_ROUTE_TABLE; | |
571 | else if (strmatch(s, "vnc")) | |
572 | return ZEBRA_ROUTE_VNC; | |
573 | else if (strmatch(s, "vnc-direct")) | |
574 | return ZEBRA_ROUTE_VNC_DIRECT; | |
575 | else if (strmatch(s, "nhrp")) | |
576 | return ZEBRA_ROUTE_NHRP; | |
577 | else if (strmatch(s, "babel")) | |
578 | return ZEBRA_ROUTE_BABEL; | |
8a71d93d DS |
579 | else if (strmatch(s, "sharp")) |
580 | return ZEBRA_ROUTE_SHARP; | |
7c0cbd0e CF |
581 | else if (strmatch(s, "openfabric")) |
582 | return ZEBRA_ROUTE_OPENFABRIC; | |
d62a17ae | 583 | } |
584 | return -1; | |
e0ca5fde | 585 | } |
99a6c6cd | 586 | |
46171e25 | 587 | void zlog_hexdump(const void *mem, size_t len) |
d62a17ae | 588 | { |
46171e25 DL |
589 | char line[64]; |
590 | const uint8_t *src = mem; | |
591 | const uint8_t *end = src + len; | |
592 | ||
593 | if (len == 0) { | |
594 | zlog_debug("%016lx: (zero length / no data)", (long)src); | |
595 | return; | |
596 | } | |
597 | ||
598 | while (src < end) { | |
599 | struct fbuf fb = { | |
600 | .buf = line, | |
601 | .pos = line, | |
602 | .len = sizeof(line), | |
603 | }; | |
604 | const uint8_t *lineend = src + 8; | |
605 | unsigned line_bytes = 0; | |
606 | ||
607 | bprintfrr(&fb, "%016lx: ", (long)src); | |
608 | ||
609 | while (src < lineend && src < end) { | |
610 | bprintfrr(&fb, "%02x ", *src++); | |
611 | line_bytes++; | |
612 | } | |
613 | if (line_bytes < 8) | |
614 | bprintfrr(&fb, "%*s", (8 - line_bytes) * 3, ""); | |
615 | ||
616 | src -= line_bytes; | |
617 | while (src < lineend && src < end && fb.pos < fb.buf + fb.len) { | |
618 | uint8_t byte = *src++; | |
619 | ||
620 | if (isprint(byte)) | |
621 | *fb.pos++ = byte; | |
622 | else | |
623 | *fb.pos++ = '.'; | |
d62a17ae | 624 | } |
46171e25 DL |
625 | |
626 | zlog_debug("%.*s", (int)(fb.pos - fb.buf), fb.buf); | |
d62a17ae | 627 | } |
99a6c6cd | 628 | } |
1f806fc2 | 629 | |
d62a17ae | 630 | const char *zlog_sanitize(char *buf, size_t bufsz, const void *in, size_t inlen) |
1f806fc2 | 631 | { |
d62a17ae | 632 | const char *inbuf = in; |
633 | char *pos = buf, *end = buf + bufsz; | |
634 | const char *iend = inbuf + inlen; | |
635 | ||
636 | memset(buf, 0, bufsz); | |
637 | for (; inbuf < iend; inbuf++) { | |
638 | /* don't write partial escape sequence */ | |
639 | if (end - pos < 5) | |
640 | break; | |
641 | ||
642 | if (*inbuf == '\n') | |
643 | snprintf(pos, end - pos, "\\n"); | |
644 | else if (*inbuf == '\r') | |
645 | snprintf(pos, end - pos, "\\r"); | |
646 | else if (*inbuf == '\t') | |
647 | snprintf(pos, end - pos, "\\t"); | |
648 | else if (*inbuf < ' ' || *inbuf == '"' || *inbuf >= 127) | |
649 | snprintf(pos, end - pos, "\\x%02hhx", *inbuf); | |
650 | else | |
651 | *pos = *inbuf; | |
652 | ||
653 | pos += strlen(pos); | |
654 | } | |
655 | return buf; | |
1f806fc2 | 656 | } |