]>
Commit | Line | Data |
---|---|---|
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 | |
60a3efec DL |
164 | bprintfrr(&fb, "in thread %s scheduled from %s:%d %s()\n", |
165 | tc->xref->funcname, tc->xref->xref.file, | |
166 | tc->xref->xref.line, tc->xref->xref.func); | |
d1265948 | 167 | |
0bdeb5e5 | 168 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); |
063ee52a | 169 | } |
170 | ||
171 | /* Log a backtrace using only async-signal-safe functions. | |
172 | Needs to be enhanced to support syslog logging. */ | |
d62a17ae | 173 | void zlog_backtrace_sigsafe(int priority, void *program_counter) |
063ee52a | 174 | { |
68b8a15f | 175 | #ifdef HAVE_LIBUNWIND |
c22f6d8c DL |
176 | char buf[256]; |
177 | struct fbuf fb = { .buf = buf, .len = sizeof(buf) }; | |
68b8a15f DL |
178 | unw_cursor_t cursor; |
179 | unw_context_t uc; | |
180 | unw_word_t ip, off, sp; | |
181 | Dl_info dlinfo; | |
182 | ||
63e04039 DS |
183 | memset(&uc, 0, sizeof(uc)); |
184 | memset(&cursor, 0, sizeof(cursor)); | |
185 | ||
68b8a15f DL |
186 | unw_getcontext(&uc); |
187 | unw_init_local(&cursor, &uc); | |
188 | while (unw_step(&cursor) > 0) { | |
189 | char name[128] = "?"; | |
190 | ||
191 | unw_get_reg(&cursor, UNW_REG_IP, &ip); | |
192 | unw_get_reg(&cursor, UNW_REG_SP, &sp); | |
193 | ||
c22f6d8c DL |
194 | if (!unw_get_proc_name(&cursor, buf, sizeof(buf), &off)) |
195 | snprintfrr(name, sizeof(name), "%s+%#lx", | |
196 | buf, (long)off); | |
68b8a15f | 197 | |
c22f6d8c DL |
198 | fb.pos = buf; |
199 | if (unw_is_signal_frame(&cursor)) | |
200 | bprintfrr(&fb, " ---- signal ----\n"); | |
201 | bprintfrr(&fb, "%-30s %16lx %16lx", name, (long)ip, (long)sp); | |
202 | if (dladdr((void *)ip, &dlinfo)) | |
203 | bprintfrr(&fb, " %s (mapped at %p)", | |
204 | dlinfo.dli_fname, dlinfo.dli_fbase); | |
205 | bprintfrr(&fb, "\n"); | |
0bdeb5e5 | 206 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); |
68b8a15f | 207 | } |
0bdeb5e5 | 208 | #elif defined(HAVE_GLIBC_BACKTRACE) |
d62a17ae | 209 | void *array[64]; |
0bdeb5e5 | 210 | int size, i; |
c22f6d8c DL |
211 | char buf[128]; |
212 | struct fbuf fb = { .buf = buf, .pos = buf, .len = sizeof(buf) }; | |
213 | char **bt = NULL; | |
59a06a91 | 214 | |
d62a17ae | 215 | size = backtrace(array, array_size(array)); |
216 | if (size <= 0 || (size_t)size > array_size(array)) | |
217 | return; | |
218 | ||
0bdeb5e5 DL |
219 | bprintfrr(&fb, "Backtrace for %d stack frames:", size); |
220 | zlog_sigsafe(fb.pos, fb.buf - fb.pos); | |
221 | ||
222 | bt = backtrace_symbols(array, size); | |
223 | ||
224 | for (i = 0; i < size; i++) { | |
225 | fb.pos = buf; | |
226 | if (bt) | |
227 | bprintfrr(&fb, "%s", bt[i]); | |
228 | else | |
229 | bprintfrr(&fb, "[bt %d] 0x%tx", i, | |
230 | (ptrdiff_t)(array[i])); | |
231 | zlog_sigsafe(fb.buf, fb.pos - fb.buf); | |
d62a17ae | 232 | } |
0bdeb5e5 DL |
233 | if (bt) |
234 | free(bt); | |
fb66b29c | 235 | #endif /* HAVE_STRACK_TRACE */ |
063ee52a | 236 | } |
237 | ||
d62a17ae | 238 | void zlog_backtrace(int priority) |
063ee52a | 239 | { |
68b8a15f DL |
240 | #ifdef HAVE_LIBUNWIND |
241 | char buf[100]; | |
242 | unw_cursor_t cursor; | |
243 | unw_context_t uc; | |
244 | unw_word_t ip, off, sp; | |
245 | Dl_info dlinfo; | |
246 | ||
247 | unw_getcontext(&uc); | |
248 | unw_init_local(&cursor, &uc); | |
249 | zlog(priority, "Backtrace:"); | |
250 | while (unw_step(&cursor) > 0) { | |
251 | char name[128] = "?"; | |
252 | ||
253 | unw_get_reg(&cursor, UNW_REG_IP, &ip); | |
254 | unw_get_reg(&cursor, UNW_REG_SP, &sp); | |
255 | ||
256 | if (unw_is_signal_frame(&cursor)) | |
257 | zlog(priority, " ---- signal ----"); | |
258 | ||
259 | if (!unw_get_proc_name(&cursor, buf, sizeof(buf), &off)) | |
260 | snprintf(name, sizeof(name), "%s+%#lx", | |
261 | buf, (long)off); | |
262 | ||
263 | if (dladdr((void *)ip, &dlinfo)) | |
264 | zlog(priority, "%-30s %16lx %16lx %s (mapped at %p)", | |
265 | name, (long)ip, (long)sp, | |
266 | dlinfo.dli_fname, dlinfo.dli_fbase); | |
267 | else | |
268 | zlog(priority, "%-30s %16lx %16lx", | |
269 | name, (long)ip, (long)sp); | |
270 | } | |
271 | #elif defined(HAVE_GLIBC_BACKTRACE) | |
d62a17ae | 272 | void *array[20]; |
273 | int size, i; | |
274 | char **strings; | |
275 | ||
276 | size = backtrace(array, array_size(array)); | |
277 | if (size <= 0 || (size_t)size > array_size(array)) { | |
09c866e3 | 278 | flog_err_sys( |
450971aa | 279 | EC_LIB_SYSTEM_CALL, |
3efd0893 | 280 | "Cannot get backtrace, returned invalid # of frames %d (valid range is between 1 and %lu)", |
09c866e3 | 281 | size, (unsigned long)(array_size(array))); |
d62a17ae | 282 | return; |
283 | } | |
284 | zlog(priority, "Backtrace for %d stack frames:", size); | |
285 | if (!(strings = backtrace_symbols(array, size))) { | |
450971aa | 286 | flog_err_sys(EC_LIB_SYSTEM_CALL, |
09c866e3 | 287 | "Cannot get backtrace symbols (out of memory?)"); |
d62a17ae | 288 | for (i = 0; i < size; i++) |
289 | zlog(priority, "[bt %d] %p", i, array[i]); | |
290 | } else { | |
291 | for (i = 0; i < size; i++) | |
292 | zlog(priority, "[bt %d] %s", i, strings[i]); | |
293 | free(strings); | |
294 | } | |
68b8a15f DL |
295 | #else /* !HAVE_GLIBC_BACKTRACE && !HAVE_LIBUNWIND */ |
296 | zlog(priority, "No backtrace available on this platform."); | |
297 | #endif | |
59a06a91 | 298 | } |
299 | ||
d62a17ae | 300 | void zlog_thread_info(int log_level) |
d1265948 | 301 | { |
d62a17ae | 302 | struct thread *tc; |
303 | tc = pthread_getspecific(thread_current); | |
304 | ||
305 | if (tc) | |
306 | zlog(log_level, | |
60a3efec DL |
307 | "Current thread function %s, scheduled from file %s, line %u in %s()", |
308 | tc->xref->funcname, tc->xref->xref.file, | |
309 | tc->xref->xref.line, tc->xref->xref.func); | |
d62a17ae | 310 | else |
311 | zlog(log_level, "Current thread not known/applicable"); | |
d1265948 DL |
312 | } |
313 | ||
d62a17ae | 314 | void _zlog_assert_failed(const char *assertion, const char *file, |
315 | unsigned int line, const char *function) | |
cee3df1e | 316 | { |
d62a17ae | 317 | zlog(LOG_CRIT, "Assertion `%s' failed in file %s, line %u, function %s", |
318 | assertion, file, line, (function ? function : "?")); | |
319 | zlog_backtrace(LOG_CRIT); | |
320 | zlog_thread_info(LOG_CRIT); | |
9eed278b | 321 | log_memstats(stderr, "log"); |
d62a17ae | 322 | abort(); |
cee3df1e | 323 | } |
324 | ||
d62a17ae | 325 | void memory_oom(size_t size, const char *name) |
3b4cd783 | 326 | { |
0bdeb5e5 DL |
327 | zlog(LOG_CRIT, |
328 | "out of memory: failed to allocate %zu bytes for %s object", | |
329 | size, name); | |
330 | zlog_backtrace(LOG_CRIT); | |
331 | log_memstats(stderr, "log"); | |
3b4cd783 DL |
332 | abort(); |
333 | } | |
6b0655a2 | 334 | |
ca359769 | 335 | /* Wrapper around strerror to handle case where it returns NULL. */ |
d62a17ae | 336 | const char *safe_strerror(int errnum) |
ca359769 | 337 | { |
d62a17ae | 338 | const char *s = strerror(errnum); |
339 | return (s != NULL) ? s : "Unknown error"; | |
ca359769 | 340 | } |
f52d13cb | 341 | |
d6d672aa PJ |
342 | #define DESC_ENTRY(T) [(T)] = { (T), (#T), '\0' } |
343 | static const struct zebra_desc_table command_types[] = { | |
d62a17ae | 344 | DESC_ENTRY(ZEBRA_INTERFACE_ADD), |
345 | DESC_ENTRY(ZEBRA_INTERFACE_DELETE), | |
346 | DESC_ENTRY(ZEBRA_INTERFACE_ADDRESS_ADD), | |
347 | DESC_ENTRY(ZEBRA_INTERFACE_ADDRESS_DELETE), | |
348 | DESC_ENTRY(ZEBRA_INTERFACE_UP), | |
349 | DESC_ENTRY(ZEBRA_INTERFACE_DOWN), | |
e0ae31b8 | 350 | DESC_ENTRY(ZEBRA_INTERFACE_SET_MASTER), |
0e51b4a3 RW |
351 | DESC_ENTRY(ZEBRA_ROUTE_ADD), |
352 | DESC_ENTRY(ZEBRA_ROUTE_DELETE), | |
7ea7b86e | 353 | DESC_ENTRY(ZEBRA_ROUTE_NOTIFY_OWNER), |
d62a17ae | 354 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ADD), |
355 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DELETE), | |
356 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DEFAULT_ADD), | |
357 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_DEFAULT_DELETE), | |
358 | DESC_ENTRY(ZEBRA_ROUTER_ID_ADD), | |
359 | DESC_ENTRY(ZEBRA_ROUTER_ID_DELETE), | |
360 | DESC_ENTRY(ZEBRA_ROUTER_ID_UPDATE), | |
361 | DESC_ENTRY(ZEBRA_HELLO), | |
4cf8bb32 | 362 | DESC_ENTRY(ZEBRA_CAPABILITIES), |
d62a17ae | 363 | DESC_ENTRY(ZEBRA_NEXTHOP_REGISTER), |
364 | DESC_ENTRY(ZEBRA_NEXTHOP_UNREGISTER), | |
365 | DESC_ENTRY(ZEBRA_NEXTHOP_UPDATE), | |
366 | DESC_ENTRY(ZEBRA_INTERFACE_NBR_ADDRESS_ADD), | |
367 | DESC_ENTRY(ZEBRA_INTERFACE_NBR_ADDRESS_DELETE), | |
368 | DESC_ENTRY(ZEBRA_INTERFACE_BFD_DEST_UPDATE), | |
369 | DESC_ENTRY(ZEBRA_IMPORT_ROUTE_REGISTER), | |
370 | DESC_ENTRY(ZEBRA_IMPORT_ROUTE_UNREGISTER), | |
371 | DESC_ENTRY(ZEBRA_IMPORT_CHECK_UPDATE), | |
d62a17ae | 372 | DESC_ENTRY(ZEBRA_BFD_DEST_REGISTER), |
373 | DESC_ENTRY(ZEBRA_BFD_DEST_DEREGISTER), | |
374 | DESC_ENTRY(ZEBRA_BFD_DEST_UPDATE), | |
375 | DESC_ENTRY(ZEBRA_BFD_DEST_REPLAY), | |
74489921 RW |
376 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ROUTE_ADD), |
377 | DESC_ENTRY(ZEBRA_REDISTRIBUTE_ROUTE_DEL), | |
d62a17ae | 378 | DESC_ENTRY(ZEBRA_VRF_UNREGISTER), |
379 | DESC_ENTRY(ZEBRA_VRF_ADD), | |
380 | DESC_ENTRY(ZEBRA_VRF_DELETE), | |
c83c5e44 | 381 | DESC_ENTRY(ZEBRA_VRF_LABEL), |
d62a17ae | 382 | DESC_ENTRY(ZEBRA_INTERFACE_VRF_UPDATE), |
383 | DESC_ENTRY(ZEBRA_BFD_CLIENT_REGISTER), | |
4cf8bb32 | 384 | DESC_ENTRY(ZEBRA_BFD_CLIENT_DEREGISTER), |
d62a17ae | 385 | DESC_ENTRY(ZEBRA_INTERFACE_ENABLE_RADV), |
386 | DESC_ENTRY(ZEBRA_INTERFACE_DISABLE_RADV), | |
387 | DESC_ENTRY(ZEBRA_IPV4_NEXTHOP_LOOKUP_MRIB), | |
388 | DESC_ENTRY(ZEBRA_INTERFACE_LINK_PARAMS), | |
389 | DESC_ENTRY(ZEBRA_MPLS_LABELS_ADD), | |
390 | DESC_ENTRY(ZEBRA_MPLS_LABELS_DELETE), | |
ea6b290b | 391 | DESC_ENTRY(ZEBRA_MPLS_LABELS_REPLACE), |
31f937fb SM |
392 | DESC_ENTRY(ZEBRA_SR_POLICY_SET), |
393 | DESC_ENTRY(ZEBRA_SR_POLICY_DELETE), | |
394 | DESC_ENTRY(ZEBRA_SR_POLICY_NOTIFY_STATUS), | |
d62a17ae | 395 | DESC_ENTRY(ZEBRA_IPMR_ROUTE_STATS), |
396 | DESC_ENTRY(ZEBRA_LABEL_MANAGER_CONNECT), | |
f533be73 | 397 | DESC_ENTRY(ZEBRA_LABEL_MANAGER_CONNECT_ASYNC), |
d62a17ae | 398 | DESC_ENTRY(ZEBRA_GET_LABEL_CHUNK), |
399 | DESC_ENTRY(ZEBRA_RELEASE_LABEL_CHUNK), | |
4cf8bb32 DS |
400 | DESC_ENTRY(ZEBRA_FEC_REGISTER), |
401 | DESC_ENTRY(ZEBRA_FEC_UNREGISTER), | |
402 | DESC_ENTRY(ZEBRA_FEC_UPDATE), | |
d62a17ae | 403 | DESC_ENTRY(ZEBRA_ADVERTISE_ALL_VNI), |
1a98c087 | 404 | DESC_ENTRY(ZEBRA_ADVERTISE_DEFAULT_GW), |
fc08a52f | 405 | DESC_ENTRY(ZEBRA_ADVERTISE_SVI_MACIP), |
31310b25 | 406 | DESC_ENTRY(ZEBRA_ADVERTISE_SUBNET), |
50f74cf1 | 407 | DESC_ENTRY(ZEBRA_LOCAL_ES_ADD), |
408 | DESC_ENTRY(ZEBRA_LOCAL_ES_DEL), | |
ce5160c0 AK |
409 | DESC_ENTRY(ZEBRA_REMOTE_ES_VTEP_ADD), |
410 | DESC_ENTRY(ZEBRA_REMOTE_ES_VTEP_DEL), | |
411 | DESC_ENTRY(ZEBRA_LOCAL_ES_EVI_ADD), | |
412 | DESC_ENTRY(ZEBRA_LOCAL_ES_EVI_DEL), | |
d62a17ae | 413 | DESC_ENTRY(ZEBRA_VNI_ADD), |
414 | DESC_ENTRY(ZEBRA_VNI_DEL), | |
b7cfce93 MK |
415 | DESC_ENTRY(ZEBRA_L3VNI_ADD), |
416 | DESC_ENTRY(ZEBRA_L3VNI_DEL), | |
d62a17ae | 417 | DESC_ENTRY(ZEBRA_REMOTE_VTEP_ADD), |
418 | DESC_ENTRY(ZEBRA_REMOTE_VTEP_DEL), | |
419 | DESC_ENTRY(ZEBRA_MACIP_ADD), | |
420 | DESC_ENTRY(ZEBRA_MACIP_DEL), | |
31310b25 MK |
421 | DESC_ENTRY(ZEBRA_IP_PREFIX_ROUTE_ADD), |
422 | DESC_ENTRY(ZEBRA_IP_PREFIX_ROUTE_DEL), | |
d62a17ae | 423 | DESC_ENTRY(ZEBRA_REMOTE_MACIP_ADD), |
424 | DESC_ENTRY(ZEBRA_REMOTE_MACIP_DEL), | |
3950b52c | 425 | DESC_ENTRY(ZEBRA_DUPLICATE_ADDR_DETECTION), |
6833ae01 | 426 | DESC_ENTRY(ZEBRA_PW_ADD), |
427 | DESC_ENTRY(ZEBRA_PW_DELETE), | |
428 | DESC_ENTRY(ZEBRA_PW_SET), | |
429 | DESC_ENTRY(ZEBRA_PW_UNSET), | |
430 | DESC_ENTRY(ZEBRA_PW_STATUS_UPDATE), | |
e16abbb3 DS |
431 | DESC_ENTRY(ZEBRA_RULE_ADD), |
432 | DESC_ENTRY(ZEBRA_RULE_DELETE), | |
433 | DESC_ENTRY(ZEBRA_RULE_NOTIFY_OWNER), | |
75fb51c1 PG |
434 | DESC_ENTRY(ZEBRA_TABLE_MANAGER_CONNECT), |
435 | DESC_ENTRY(ZEBRA_GET_TABLE_CHUNK), | |
436 | DESC_ENTRY(ZEBRA_RELEASE_TABLE_CHUNK), | |
d59c13af PG |
437 | DESC_ENTRY(ZEBRA_IPSET_CREATE), |
438 | DESC_ENTRY(ZEBRA_IPSET_DESTROY), | |
439 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_ADD), | |
440 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_DELETE), | |
4cf8bb32 DS |
441 | DESC_ENTRY(ZEBRA_IPSET_NOTIFY_OWNER), |
442 | DESC_ENTRY(ZEBRA_IPSET_ENTRY_NOTIFY_OWNER), | |
443 | DESC_ENTRY(ZEBRA_IPTABLE_ADD), | |
444 | DESC_ENTRY(ZEBRA_IPTABLE_DELETE), | |
445 | DESC_ENTRY(ZEBRA_IPTABLE_NOTIFY_OWNER), | |
fbac9605 | 446 | DESC_ENTRY(ZEBRA_VXLAN_FLOOD_CONTROL), |
4ab3321f AK |
447 | DESC_ENTRY(ZEBRA_VXLAN_SG_ADD), |
448 | DESC_ENTRY(ZEBRA_VXLAN_SG_DEL), | |
ecbbc3a7 | 449 | DESC_ENTRY(ZEBRA_VXLAN_SG_REPLAY), |
d1a3e8df AK |
450 | DESC_ENTRY(ZEBRA_MLAG_PROCESS_UP), |
451 | DESC_ENTRY(ZEBRA_MLAG_PROCESS_DOWN), | |
452 | DESC_ENTRY(ZEBRA_MLAG_CLIENT_REGISTER), | |
453 | DESC_ENTRY(ZEBRA_MLAG_CLIENT_UNREGISTER), | |
454 | DESC_ENTRY(ZEBRA_MLAG_FORWARD_MSG), | |
9ab0b2a3 | 455 | DESC_ENTRY(ZEBRA_ERROR), |
ff491140 MS |
456 | DESC_ENTRY(ZEBRA_CLIENT_CAPABILITIES), |
457 | DESC_ENTRY(ZEBRA_OPAQUE_MESSAGE), | |
458 | DESC_ENTRY(ZEBRA_OPAQUE_REGISTER), | |
d68e74b4 | 459 | DESC_ENTRY(ZEBRA_OPAQUE_UNREGISTER), |
b36bedd2 SW |
460 | DESC_ENTRY(ZEBRA_NEIGH_DISCOVER), |
461 | DESC_ENTRY(ZEBRA_NHG_ADD), | |
391c7a3b | 462 | DESC_ENTRY(ZEBRA_NHG_DEL), |
77b38a4a | 463 | DESC_ENTRY(ZEBRA_NHG_NOTIFY_OWNER), |
581e797e | 464 | DESC_ENTRY(ZEBRA_ROUTE_NOTIFY_REQUEST), |
7bfa7d02 AK |
465 | DESC_ENTRY(ZEBRA_CLIENT_CLOSE_NOTIFY), |
466 | DESC_ENTRY(ZEBRA_EVPN_REMOTE_NH_ADD), | |
fda64ab4 PG |
467 | DESC_ENTRY(ZEBRA_EVPN_REMOTE_NH_DEL), |
468 | DESC_ENTRY(ZEBRA_NHRP_NEIGH_ADDED), | |
469 | DESC_ENTRY(ZEBRA_NHRP_NEIGH_REMOVED), | |
7723e8d3 PG |
470 | DESC_ENTRY(ZEBRA_NHRP_NEIGH_GET), |
471 | DESC_ENTRY(ZEBRA_NHRP_NEIGH_REGISTER), | |
472 | DESC_ENTRY(ZEBRA_NHRP_NEIGH_UNREGISTER)}; | |
fda64ab4 | 473 | |
d6d672aa PJ |
474 | #undef DESC_ENTRY |
475 | ||
d62a17ae | 476 | static const struct zebra_desc_table unknown = {0, "unknown", '?'}; |
d6d672aa | 477 | |
d7c0a89a | 478 | static const struct zebra_desc_table *zroute_lookup(unsigned int zroute) |
f52d13cb | 479 | { |
d7c0a89a | 480 | unsigned int i; |
d62a17ae | 481 | |
482 | if (zroute >= array_size(route_types)) { | |
450971aa | 483 | flog_err(EC_LIB_DEVELOPMENT, "unknown zebra route type: %u", |
1c50c1c0 | 484 | zroute); |
d62a17ae | 485 | return &unknown; |
486 | } | |
487 | if (zroute == route_types[zroute].type) | |
488 | return &route_types[zroute]; | |
489 | for (i = 0; i < array_size(route_types); i++) { | |
490 | if (zroute == route_types[i].type) { | |
491 | zlog_warn( | |
3efd0893 | 492 | "internal error: route type table out of order while searching for %u, please notify developers", |
d62a17ae | 493 | zroute); |
494 | return &route_types[i]; | |
495 | } | |
496 | } | |
450971aa | 497 | flog_err(EC_LIB_DEVELOPMENT, |
1c50c1c0 | 498 | "internal error: cannot find route type %u in table!", zroute); |
d62a17ae | 499 | return &unknown; |
f52d13cb | 500 | } |
501 | ||
d7c0a89a | 502 | const char *zebra_route_string(unsigned int zroute) |
f52d13cb | 503 | { |
d62a17ae | 504 | return zroute_lookup(zroute)->string; |
f52d13cb | 505 | } |
506 | ||
d7c0a89a | 507 | char zebra_route_char(unsigned int zroute) |
f52d13cb | 508 | { |
d62a17ae | 509 | return zroute_lookup(zroute)->chr; |
f52d13cb | 510 | } |
d6d672aa | 511 | |
d62a17ae | 512 | const char *zserv_command_string(unsigned int command) |
d6d672aa | 513 | { |
d62a17ae | 514 | if (command >= array_size(command_types)) { |
450971aa | 515 | flog_err(EC_LIB_DEVELOPMENT, "unknown zserv command type: %u", |
1c50c1c0 | 516 | command); |
d62a17ae | 517 | return unknown.string; |
518 | } | |
519 | return command_types[command].string; | |
d6d672aa | 520 | } |
7514fb77 | 521 | |
d62a17ae | 522 | int proto_name2num(const char *s) |
7514fb77 | 523 | { |
d62a17ae | 524 | unsigned i; |
7514fb77 | 525 | |
d62a17ae | 526 | for (i = 0; i < array_size(route_types); ++i) |
527 | if (strcasecmp(s, route_types[i].string) == 0) | |
528 | return route_types[i].type; | |
529 | return -1; | |
7514fb77 | 530 | } |
e0ca5fde | 531 | |
d62a17ae | 532 | int proto_redistnum(int afi, const char *s) |
e0ca5fde | 533 | { |
d62a17ae | 534 | if (!s) |
535 | return -1; | |
536 | ||
537 | if (afi == AFI_IP) { | |
538 | if (strmatch(s, "kernel")) | |
539 | return ZEBRA_ROUTE_KERNEL; | |
540 | else if (strmatch(s, "connected")) | |
541 | return ZEBRA_ROUTE_CONNECT; | |
542 | else if (strmatch(s, "static")) | |
543 | return ZEBRA_ROUTE_STATIC; | |
544 | else if (strmatch(s, "rip")) | |
545 | return ZEBRA_ROUTE_RIP; | |
546 | else if (strmatch(s, "eigrp")) | |
547 | return ZEBRA_ROUTE_EIGRP; | |
548 | else if (strmatch(s, "ospf")) | |
549 | return ZEBRA_ROUTE_OSPF; | |
550 | else if (strmatch(s, "isis")) | |
551 | return ZEBRA_ROUTE_ISIS; | |
552 | else if (strmatch(s, "bgp")) | |
553 | return ZEBRA_ROUTE_BGP; | |
554 | else if (strmatch(s, "table")) | |
555 | return ZEBRA_ROUTE_TABLE; | |
556 | else if (strmatch(s, "vnc")) | |
557 | return ZEBRA_ROUTE_VNC; | |
558 | else if (strmatch(s, "vnc-direct")) | |
559 | return ZEBRA_ROUTE_VNC_DIRECT; | |
560 | else if (strmatch(s, "nhrp")) | |
561 | return ZEBRA_ROUTE_NHRP; | |
562 | else if (strmatch(s, "babel")) | |
563 | return ZEBRA_ROUTE_BABEL; | |
8a71d93d DS |
564 | else if (strmatch(s, "sharp")) |
565 | return ZEBRA_ROUTE_SHARP; | |
7c0cbd0e CF |
566 | else if (strmatch(s, "openfabric")) |
567 | return ZEBRA_ROUTE_OPENFABRIC; | |
d62a17ae | 568 | } |
569 | if (afi == AFI_IP6) { | |
570 | if (strmatch(s, "kernel")) | |
571 | return ZEBRA_ROUTE_KERNEL; | |
572 | else if (strmatch(s, "connected")) | |
573 | return ZEBRA_ROUTE_CONNECT; | |
574 | else if (strmatch(s, "static")) | |
575 | return ZEBRA_ROUTE_STATIC; | |
576 | else if (strmatch(s, "ripng")) | |
577 | return ZEBRA_ROUTE_RIPNG; | |
578 | else if (strmatch(s, "ospf6")) | |
579 | return ZEBRA_ROUTE_OSPF6; | |
580 | else if (strmatch(s, "isis")) | |
581 | return ZEBRA_ROUTE_ISIS; | |
582 | else if (strmatch(s, "bgp")) | |
583 | return ZEBRA_ROUTE_BGP; | |
584 | else if (strmatch(s, "table")) | |
585 | return ZEBRA_ROUTE_TABLE; | |
586 | else if (strmatch(s, "vnc")) | |
587 | return ZEBRA_ROUTE_VNC; | |
588 | else if (strmatch(s, "vnc-direct")) | |
589 | return ZEBRA_ROUTE_VNC_DIRECT; | |
590 | else if (strmatch(s, "nhrp")) | |
591 | return ZEBRA_ROUTE_NHRP; | |
592 | else if (strmatch(s, "babel")) | |
593 | return ZEBRA_ROUTE_BABEL; | |
8a71d93d DS |
594 | else if (strmatch(s, "sharp")) |
595 | return ZEBRA_ROUTE_SHARP; | |
7c0cbd0e CF |
596 | else if (strmatch(s, "openfabric")) |
597 | return ZEBRA_ROUTE_OPENFABRIC; | |
d62a17ae | 598 | } |
599 | return -1; | |
e0ca5fde | 600 | } |
99a6c6cd | 601 | |
46171e25 | 602 | void zlog_hexdump(const void *mem, size_t len) |
d62a17ae | 603 | { |
46171e25 DL |
604 | char line[64]; |
605 | const uint8_t *src = mem; | |
606 | const uint8_t *end = src + len; | |
607 | ||
608 | if (len == 0) { | |
609 | zlog_debug("%016lx: (zero length / no data)", (long)src); | |
610 | return; | |
611 | } | |
612 | ||
613 | while (src < end) { | |
614 | struct fbuf fb = { | |
615 | .buf = line, | |
616 | .pos = line, | |
617 | .len = sizeof(line), | |
618 | }; | |
619 | const uint8_t *lineend = src + 8; | |
620 | unsigned line_bytes = 0; | |
621 | ||
622 | bprintfrr(&fb, "%016lx: ", (long)src); | |
623 | ||
624 | while (src < lineend && src < end) { | |
625 | bprintfrr(&fb, "%02x ", *src++); | |
626 | line_bytes++; | |
627 | } | |
628 | if (line_bytes < 8) | |
629 | bprintfrr(&fb, "%*s", (8 - line_bytes) * 3, ""); | |
630 | ||
631 | src -= line_bytes; | |
632 | while (src < lineend && src < end && fb.pos < fb.buf + fb.len) { | |
633 | uint8_t byte = *src++; | |
634 | ||
635 | if (isprint(byte)) | |
636 | *fb.pos++ = byte; | |
637 | else | |
638 | *fb.pos++ = '.'; | |
d62a17ae | 639 | } |
46171e25 DL |
640 | |
641 | zlog_debug("%.*s", (int)(fb.pos - fb.buf), fb.buf); | |
d62a17ae | 642 | } |
99a6c6cd | 643 | } |
1f806fc2 | 644 | |
d62a17ae | 645 | const char *zlog_sanitize(char *buf, size_t bufsz, const void *in, size_t inlen) |
1f806fc2 | 646 | { |
d62a17ae | 647 | const char *inbuf = in; |
648 | char *pos = buf, *end = buf + bufsz; | |
649 | const char *iend = inbuf + inlen; | |
650 | ||
651 | memset(buf, 0, bufsz); | |
652 | for (; inbuf < iend; inbuf++) { | |
653 | /* don't write partial escape sequence */ | |
654 | if (end - pos < 5) | |
655 | break; | |
656 | ||
657 | if (*inbuf == '\n') | |
658 | snprintf(pos, end - pos, "\\n"); | |
659 | else if (*inbuf == '\r') | |
660 | snprintf(pos, end - pos, "\\r"); | |
661 | else if (*inbuf == '\t') | |
662 | snprintf(pos, end - pos, "\\t"); | |
663 | else if (*inbuf < ' ' || *inbuf == '"' || *inbuf >= 127) | |
664 | snprintf(pos, end - pos, "\\x%02hhx", *inbuf); | |
665 | else | |
666 | *pos = *inbuf; | |
667 | ||
668 | pos += strlen(pos); | |
669 | } | |
670 | return buf; | |
1f806fc2 | 671 | } |