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552cc11b | 1 | /* |
766141bc | 2 | * Copyright (C) 2008-2014 Tobias Brunner |
552cc11b MW |
3 | * Copyright (C) 2005-2008 Martin Willi |
4 | * Hochschule fuer Technik Rapperswil | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | * for more details. | |
552cc11b MW |
15 | */ |
16 | ||
766141bc | 17 | #define _GNU_SOURCE /* for memrchr */ |
6c20579a | 18 | #include <sys/stat.h> |
552cc11b | 19 | #include <string.h> |
552cc11b | 20 | #include <stdio.h> |
6c20579a | 21 | #include <unistd.h> |
876961cf | 22 | #include <inttypes.h> |
74b14b40 | 23 | #include <stdint.h> |
d24a74c5 | 24 | #include <limits.h> |
6c20579a | 25 | #include <dirent.h> |
f464d750 | 26 | #include <time.h> |
2a595276 | 27 | #include <pthread.h> |
552cc11b | 28 | |
766141bc TB |
29 | #include "utils.h" |
30 | ||
12642a68 | 31 | #include "collections/enumerator.h" |
f05b4272 | 32 | #include "utils/debug.h" |
2077d996 | 33 | #include "utils/chunk.h" |
552cc11b | 34 | |
a8809bb0 | 35 | ENUM(status_names, SUCCESS, NEED_MORE, |
552cc11b MW |
36 | "SUCCESS", |
37 | "FAILED", | |
38 | "OUT_OF_RES", | |
39 | "ALREADY_DONE", | |
40 | "NOT_SUPPORTED", | |
41 | "INVALID_ARG", | |
42 | "NOT_FOUND", | |
43 | "PARSE_ERROR", | |
44 | "VERIFY_ERROR", | |
45 | "INVALID_STATE", | |
46 | "DESTROY_ME", | |
47 | "NEED_MORE", | |
48 | ); | |
49 | ||
552cc11b MW |
50 | /** |
51 | * Described in header. | |
52 | */ | |
01e43e31 | 53 | void memxor(u_int8_t dst[], u_int8_t src[], size_t n) |
552cc11b | 54 | { |
01e43e31 | 55 | int m, i; |
7daf5226 | 56 | |
01e43e31 | 57 | /* byte wise XOR until dst aligned */ |
09846603 | 58 | for (i = 0; (uintptr_t)&dst[i] % sizeof(long) && i < n; i++) |
4fd233a7 | 59 | { |
01e43e31 | 60 | dst[i] ^= src[i]; |
4fd233a7 | 61 | } |
01e43e31 | 62 | /* try to use words if src shares an aligment with dst */ |
74b14b40 | 63 | switch (((uintptr_t)&src[i] % sizeof(long))) |
552cc11b | 64 | { |
01e43e31 MW |
65 | case 0: |
66 | for (m = n - sizeof(long); i <= m; i += sizeof(long)) | |
67 | { | |
68 | *(long*)&dst[i] ^= *(long*)&src[i]; | |
69 | } | |
70 | break; | |
71 | case sizeof(int): | |
72 | for (m = n - sizeof(int); i <= m; i += sizeof(int)) | |
73 | { | |
74 | *(int*)&dst[i] ^= *(int*)&src[i]; | |
75 | } | |
76 | break; | |
77 | case sizeof(short): | |
78 | for (m = n - sizeof(short); i <= m; i += sizeof(short)) | |
79 | { | |
80 | *(short*)&dst[i] ^= *(short*)&src[i]; | |
81 | } | |
82 | break; | |
83 | default: | |
84 | break; | |
85 | } | |
86 | /* byte wise XOR of the rest */ | |
87 | for (; i < n; i++) | |
88 | { | |
89 | dst[i] ^= src[i]; | |
552cc11b MW |
90 | } |
91 | } | |
92 | ||
ed678b52 MW |
93 | /** |
94 | * Described in header. | |
95 | */ | |
96 | void memwipe_noinline(void *ptr, size_t n) | |
97 | { | |
98 | memwipe_inline(ptr, n); | |
99 | } | |
100 | ||
81736d7d TB |
101 | /** |
102 | * Described in header. | |
103 | */ | |
104 | void *memstr(const void *haystack, const char *needle, size_t n) | |
105 | { | |
2ed241ae | 106 | const u_char *pos = haystack; |
7b91011d TB |
107 | size_t l; |
108 | ||
109 | if (!haystack || !needle || (l = strlen(needle)) == 0) | |
110 | { | |
111 | return NULL; | |
112 | } | |
81736d7d TB |
113 | for (; n >= l; ++pos, --n) |
114 | { | |
115 | if (memeq(pos, needle, l)) | |
116 | { | |
117 | return (void*)pos; | |
118 | } | |
119 | } | |
120 | return NULL; | |
121 | } | |
122 | ||
2ed241ae TB |
123 | /** |
124 | * Described in header. | |
125 | */ | |
126 | void *utils_memrchr(const void *s, int c, size_t n) | |
127 | { | |
128 | const u_char *pos; | |
129 | ||
130 | if (!s || !n) | |
131 | { | |
132 | return NULL; | |
133 | } | |
134 | ||
135 | for (pos = s + n - 1; pos >= (u_char*)s; pos--) | |
136 | { | |
137 | if (*pos == (u_char)c) | |
138 | { | |
139 | return (void*)pos; | |
140 | } | |
141 | } | |
142 | return NULL; | |
143 | } | |
144 | ||
d543d9ca TB |
145 | /** |
146 | * Described in header. | |
147 | */ | |
148 | char* translate(char *str, const char *from, const char *to) | |
149 | { | |
150 | char *pos = str; | |
151 | if (strlen(from) != strlen(to)) | |
152 | { | |
153 | return str; | |
154 | } | |
155 | while (pos && *pos) | |
156 | { | |
157 | char *match; | |
158 | if ((match = strchr(from, *pos)) != NULL) | |
159 | { | |
160 | *pos = to[match - from]; | |
161 | } | |
162 | pos++; | |
163 | } | |
164 | return str; | |
ccb6758e TB |
165 | } |
166 | ||
167 | /** | |
168 | * Described in header. | |
169 | */ | |
170 | char* strreplace(const char *str, const char *search, const char *replace) | |
171 | { | |
172 | size_t len, slen, rlen, count = 0; | |
173 | char *res, *pos, *found, *dst; | |
174 | ||
175 | if (!str || !*str || !search || !*search || !replace) | |
176 | { | |
177 | return (char*)str; | |
178 | } | |
179 | slen = strlen(search); | |
180 | rlen = strlen(replace); | |
181 | if (slen != rlen) | |
182 | { | |
183 | for (pos = (char*)str; (pos = strstr(pos, search)); pos += slen) | |
184 | { | |
185 | found = pos; | |
186 | count++; | |
187 | } | |
188 | if (!count) | |
189 | { | |
190 | return (char*)str; | |
191 | } | |
192 | len = (found - str) + strlen(found) + count * (rlen - slen); | |
193 | } | |
194 | else | |
195 | { | |
196 | len = strlen(str); | |
197 | } | |
198 | found = strstr(str, search); | |
199 | if (!found) | |
200 | { | |
201 | return (char*)str; | |
202 | } | |
203 | dst = res = malloc(len + 1); | |
204 | pos = (char*)str; | |
205 | do | |
206 | { | |
207 | len = found - pos; | |
208 | memcpy(dst, pos, len); | |
209 | dst += len; | |
210 | memcpy(dst, replace, rlen); | |
211 | dst += rlen; | |
212 | pos = found + slen; | |
213 | } | |
214 | while ((found = strstr(pos, search))); | |
215 | strcpy(dst, pos); | |
216 | return res; | |
d543d9ca TB |
217 | } |
218 | ||
766141bc TB |
219 | /** |
220 | * Described in header. | |
221 | */ | |
222 | char* path_dirname(const char *path) | |
223 | { | |
224 | char *pos; | |
225 | ||
226 | pos = path ? strrchr(path, '/') : NULL; | |
227 | ||
228 | if (pos && !pos[1]) | |
229 | { /* if path ends with slashes we have to look beyond them */ | |
230 | while (pos > path && *pos == '/') | |
231 | { /* skip trailing slashes */ | |
232 | pos--; | |
233 | } | |
234 | pos = memrchr(path, '/', pos - path + 1); | |
235 | } | |
236 | if (!pos) | |
237 | { | |
238 | return strdup("."); | |
239 | } | |
240 | while (pos > path && *pos == '/') | |
241 | { /* skip superfluous slashes */ | |
242 | pos--; | |
243 | } | |
244 | return strndup(path, pos - path + 1); | |
245 | } | |
246 | ||
247 | /** | |
248 | * Described in header. | |
249 | */ | |
250 | char* path_basename(const char *path) | |
251 | { | |
252 | char *pos, *trail = NULL; | |
253 | ||
254 | if (!path || !*path) | |
255 | { | |
256 | return strdup("."); | |
257 | } | |
258 | pos = strrchr(path, '/'); | |
259 | if (pos && !pos[1]) | |
260 | { /* if path ends with slashes we have to look beyond them */ | |
261 | while (pos > path && *pos == '/') | |
262 | { /* skip trailing slashes */ | |
263 | pos--; | |
264 | } | |
265 | if (pos == path && *pos == '/') | |
266 | { /* contains only slashes */ | |
267 | return strdup("/"); | |
268 | } | |
269 | trail = pos + 1; | |
270 | pos = memrchr(path, '/', trail - path); | |
271 | } | |
272 | pos = pos ? pos + 1 : (char*)path; | |
273 | return trail ? strndup(pos, trail - pos) : strdup(pos); | |
274 | } | |
275 | ||
6c20579a TB |
276 | /** |
277 | * Described in header. | |
278 | */ | |
279 | bool mkdir_p(const char *path, mode_t mode) | |
280 | { | |
fc1afcc8 | 281 | int len; |
6c20579a TB |
282 | char *pos, full[PATH_MAX]; |
283 | pos = full; | |
284 | if (!path || *path == '\0') | |
285 | { | |
286 | return TRUE; | |
287 | } | |
288 | len = snprintf(full, sizeof(full)-1, "%s", path); | |
289 | if (len < 0 || len >= sizeof(full)-1) | |
290 | { | |
8b0e0910 | 291 | DBG1(DBG_LIB, "path string %s too long", path); |
6c20579a TB |
292 | return FALSE; |
293 | } | |
294 | /* ensure that the path ends with a '/' */ | |
295 | if (full[len-1] != '/') | |
296 | { | |
297 | full[len++] = '/'; | |
298 | full[len] = '\0'; | |
299 | } | |
300 | /* skip '/' at the beginning */ | |
301 | while (*pos == '/') | |
302 | { | |
303 | pos++; | |
304 | } | |
305 | while ((pos = strchr(pos, '/'))) | |
306 | { | |
307 | *pos = '\0'; | |
308 | if (access(full, F_OK) < 0) | |
309 | { | |
a3f7dfc1 MW |
310 | #ifdef WIN32 |
311 | if (_mkdir(full) < 0) | |
312 | #else | |
6c20579a | 313 | if (mkdir(full, mode) < 0) |
a3f7dfc1 | 314 | #endif |
6c20579a | 315 | { |
8b0e0910 | 316 | DBG1(DBG_LIB, "failed to create directory %s", full); |
6c20579a TB |
317 | return FALSE; |
318 | } | |
319 | } | |
320 | *pos = '/'; | |
321 | pos++; | |
322 | } | |
323 | return TRUE; | |
324 | } | |
325 | ||
4d174272 MW |
326 | ENUM(tty_color_names, TTY_RESET, TTY_BG_DEF, |
327 | "\e[0m", | |
328 | "\e[1m", | |
329 | "\e[4m", | |
330 | "\e[5m", | |
331 | "\e[30m", | |
332 | "\e[31m", | |
333 | "\e[32m", | |
334 | "\e[33m", | |
335 | "\e[34m", | |
336 | "\e[35m", | |
337 | "\e[36m", | |
338 | "\e[37m", | |
339 | "\e[39m", | |
340 | "\e[40m", | |
341 | "\e[41m", | |
342 | "\e[42m", | |
343 | "\e[43m", | |
344 | "\e[44m", | |
345 | "\e[45m", | |
346 | "\e[46m", | |
347 | "\e[47m", | |
348 | "\e[49m", | |
349 | ); | |
350 | ||
351 | /** | |
352 | * Get the escape string for a given TTY color, empty string on non-tty FILE | |
353 | */ | |
354 | char* tty_escape_get(int fd, tty_escape_t escape) | |
355 | { | |
356 | if (!isatty(fd)) | |
357 | { | |
358 | return ""; | |
359 | } | |
360 | switch (escape) | |
361 | { | |
362 | case TTY_RESET: | |
363 | case TTY_BOLD: | |
364 | case TTY_UNDERLINE: | |
365 | case TTY_BLINKING: | |
1f2b8c8c MW |
366 | #ifdef WIN32 |
367 | return ""; | |
368 | #endif | |
4d174272 MW |
369 | case TTY_FG_BLACK: |
370 | case TTY_FG_RED: | |
371 | case TTY_FG_GREEN: | |
372 | case TTY_FG_YELLOW: | |
373 | case TTY_FG_BLUE: | |
374 | case TTY_FG_MAGENTA: | |
375 | case TTY_FG_CYAN: | |
376 | case TTY_FG_WHITE: | |
377 | case TTY_FG_DEF: | |
378 | case TTY_BG_BLACK: | |
379 | case TTY_BG_RED: | |
380 | case TTY_BG_GREEN: | |
381 | case TTY_BG_YELLOW: | |
382 | case TTY_BG_BLUE: | |
383 | case TTY_BG_MAGENTA: | |
384 | case TTY_BG_CYAN: | |
385 | case TTY_BG_WHITE: | |
386 | case TTY_BG_DEF: | |
387 | return enum_to_name(tty_color_names, escape); | |
1f2b8c8c | 388 | /* warn if a escape code is missing */ |
4d174272 MW |
389 | } |
390 | return ""; | |
391 | } | |
2a595276 | 392 | |
9a8fdc15 TB |
393 | #ifndef HAVE_CLOSEFROM |
394 | /** | |
395 | * Described in header. | |
396 | */ | |
397 | void closefrom(int lowfd) | |
398 | { | |
5051bd23 TB |
399 | char fd_dir[PATH_MAX]; |
400 | int maxfd, fd, len; | |
401 | ||
402 | /* try to close only open file descriptors on Linux... */ | |
403 | len = snprintf(fd_dir, sizeof(fd_dir), "/proc/%u/fd", getpid()); | |
4a4cf41b | 404 | if (len > 0 && len < sizeof(fd_dir) && access(fd_dir, F_OK) == 0) |
5051bd23 TB |
405 | { |
406 | enumerator_t *enumerator = enumerator_create_directory(fd_dir); | |
407 | if (enumerator) | |
408 | { | |
68fcf917 | 409 | char *rel; |
5051bd23 TB |
410 | while (enumerator->enumerate(enumerator, &rel, NULL, NULL)) |
411 | { | |
412 | fd = atoi(rel); | |
413 | if (fd >= lowfd) | |
414 | { | |
415 | close(fd); | |
416 | } | |
417 | } | |
418 | enumerator->destroy(enumerator); | |
419 | return; | |
420 | } | |
421 | } | |
422 | ||
423 | /* ...fall back to closing all fds otherwise */ | |
d3c30b35 MW |
424 | #ifdef WIN32 |
425 | maxfd = _getmaxstdio(); | |
426 | #else | |
9a8fdc15 | 427 | maxfd = (int)sysconf(_SC_OPEN_MAX); |
d3c30b35 | 428 | #endif |
9a8fdc15 TB |
429 | if (maxfd < 0) |
430 | { | |
431 | maxfd = 256; | |
432 | } | |
433 | for (fd = lowfd; fd < maxfd; fd++) | |
434 | { | |
435 | close(fd); | |
436 | } | |
437 | } | |
438 | #endif /* HAVE_CLOSEFROM */ | |
439 | ||
3f310c0d MW |
440 | /** |
441 | * Return monotonic time | |
442 | */ | |
443 | time_t time_monotonic(timeval_t *tv) | |
444 | { | |
b2944d71 TB |
445 | #if defined(HAVE_CLOCK_GETTIME) && \ |
446 | (defined(HAVE_CONDATTR_CLOCK_MONOTONIC) || \ | |
447 | defined(HAVE_PTHREAD_COND_TIMEDWAIT_MONOTONIC)) | |
3d5818ec MW |
448 | /* as we use time_monotonic() for condvar operations, we use the |
449 | * monotonic time source only if it is also supported by pthread. */ | |
3f310c0d | 450 | timespec_t ts; |
7daf5226 | 451 | |
3f310c0d MW |
452 | if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) |
453 | { | |
454 | if (tv) | |
455 | { | |
456 | tv->tv_sec = ts.tv_sec; | |
457 | tv->tv_usec = ts.tv_nsec / 1000; | |
458 | } | |
459 | return ts.tv_sec; | |
460 | } | |
b2944d71 | 461 | #endif /* HAVE_CLOCK_GETTIME && (...) */ |
3f310c0d MW |
462 | /* Fallback to non-monotonic timestamps: |
463 | * On MAC OS X, creating monotonic timestamps is rather difficult. We | |
464 | * could use mach_absolute_time() and catch sleep/wakeup notifications. | |
3d5818ec MW |
465 | * We stick to the simpler (non-monotonic) gettimeofday() for now. |
466 | * But keep in mind: we need the same time source here as in condvar! */ | |
3f310c0d MW |
467 | if (!tv) |
468 | { | |
469 | return time(NULL); | |
470 | } | |
471 | if (gettimeofday(tv, NULL) != 0) | |
472 | { /* should actually never fail if passed pointers are valid */ | |
473 | return -1; | |
474 | } | |
475 | return tv->tv_sec; | |
476 | } | |
477 | ||
081ae2eb MW |
478 | /** |
479 | * return null | |
480 | */ | |
481 | void *return_null() | |
482 | { | |
483 | return NULL; | |
484 | } | |
485 | ||
da17b016 MW |
486 | /** |
487 | * returns TRUE | |
488 | */ | |
489 | bool return_true() | |
490 | { | |
491 | return TRUE; | |
492 | } | |
493 | ||
494 | /** | |
495 | * returns FALSE | |
496 | */ | |
497 | bool return_false() | |
498 | { | |
499 | return FALSE; | |
500 | } | |
501 | ||
502edf42 MW |
502 | /** |
503 | * returns FAILED | |
504 | */ | |
505 | status_t return_failed() | |
506 | { | |
507 | return FAILED; | |
508 | } | |
509 | ||
4755ab50 MW |
510 | /** |
511 | * returns SUCCESS | |
512 | */ | |
513 | status_t return_success() | |
514 | { | |
515 | return SUCCESS; | |
516 | } | |
517 | ||
233b853d MW |
518 | /** |
519 | * nop operation | |
520 | */ | |
521 | void nop() | |
522 | { | |
523 | } | |
524 | ||
0f603d42 | 525 | #if !defined(HAVE_GCC_ATOMIC_OPERATIONS) && !defined(HAVE_GCC_SYNC_OPERATIONS) |
efd0fe21 | 526 | |
552cc11b | 527 | /** |
7daf5226 | 528 | * We use a single mutex for all refcount variables. |
552cc11b MW |
529 | */ |
530 | static pthread_mutex_t ref_mutex = PTHREAD_MUTEX_INITIALIZER; | |
531 | ||
532 | /** | |
efd0fe21 | 533 | * Increase refcount |
552cc11b | 534 | */ |
3160b92a | 535 | refcount_t ref_get(refcount_t *ref) |
552cc11b | 536 | { |
3160b92a MW |
537 | refcount_t current; |
538 | ||
552cc11b | 539 | pthread_mutex_lock(&ref_mutex); |
3160b92a | 540 | current = ++(*ref); |
552cc11b | 541 | pthread_mutex_unlock(&ref_mutex); |
3160b92a | 542 | return current; |
552cc11b MW |
543 | } |
544 | ||
545 | /** | |
efd0fe21 | 546 | * Decrease refcount |
552cc11b MW |
547 | */ |
548 | bool ref_put(refcount_t *ref) | |
549 | { | |
550 | bool more_refs; | |
7daf5226 | 551 | |
552cc11b | 552 | pthread_mutex_lock(&ref_mutex); |
21f411b8 | 553 | more_refs = --(*ref) > 0; |
552cc11b MW |
554 | pthread_mutex_unlock(&ref_mutex); |
555 | return !more_refs; | |
556 | } | |
5317dd68 | 557 | |
efedd0d2 TB |
558 | /** |
559 | * Current refcount | |
560 | */ | |
561 | refcount_t ref_cur(refcount_t *ref) | |
562 | { | |
563 | refcount_t current; | |
564 | ||
565 | pthread_mutex_lock(&ref_mutex); | |
566 | current = *ref; | |
567 | pthread_mutex_unlock(&ref_mutex); | |
568 | return current; | |
569 | } | |
570 | ||
5317dd68 TB |
571 | /** |
572 | * Single mutex for all compare and swap operations. | |
573 | */ | |
574 | static pthread_mutex_t cas_mutex = PTHREAD_MUTEX_INITIALIZER; | |
575 | ||
576 | /** | |
577 | * Compare and swap if equal to old value | |
578 | */ | |
579 | #define _cas_impl(name, type) \ | |
580 | bool cas_##name(type *ptr, type oldval, type newval) \ | |
581 | { \ | |
582 | bool swapped; \ | |
583 | pthread_mutex_lock(&cas_mutex); \ | |
584 | if ((swapped = (*ptr == oldval))) { *ptr = newval; } \ | |
585 | pthread_mutex_unlock(&cas_mutex); \ | |
586 | return swapped; \ | |
587 | } | |
588 | ||
589 | _cas_impl(bool, bool) | |
590 | _cas_impl(ptr, void*) | |
591 | ||
0f603d42 | 592 | #endif /* !HAVE_GCC_ATOMIC_OPERATIONS && !HAVE_GCC_SYNC_OPERATIONS */ |
552cc11b | 593 | |
2077d996 | 594 | |
9df621d2 | 595 | #ifdef HAVE_FMEMOPEN_FALLBACK |
2077d996 MW |
596 | |
597 | static int fmemread(chunk_t *cookie, char *buf, int size) | |
598 | { | |
599 | int len; | |
600 | ||
601 | len = min(size, cookie->len); | |
602 | memcpy(buf, cookie->ptr, len); | |
603 | *cookie = chunk_skip(*cookie, len); | |
604 | ||
605 | return len; | |
606 | } | |
607 | ||
608 | static int fmemwrite(chunk_t *cookie, const char *buf, int size) | |
609 | { | |
610 | int len; | |
611 | ||
612 | len = min(size, cookie->len); | |
613 | memcpy(cookie->ptr, buf, len); | |
614 | *cookie = chunk_skip(*cookie, len); | |
615 | ||
616 | return len; | |
617 | } | |
618 | ||
619 | static int fmemclose(void *cookie) | |
620 | { | |
621 | free(cookie); | |
622 | return 0; | |
623 | } | |
624 | ||
625 | FILE *fmemopen(void *buf, size_t size, const char *mode) | |
626 | { | |
627 | chunk_t *cookie; | |
628 | ||
629 | INIT(cookie, | |
630 | .ptr = buf, | |
631 | .len = size, | |
632 | ); | |
633 | ||
634 | return funopen(cookie, (void*)fmemread, (void*)fmemwrite, NULL, fmemclose); | |
635 | } | |
636 | ||
637 | #endif /* FMEMOPEN fallback*/ | |
638 | ||
552cc11b | 639 | /** |
d25ce370 | 640 | * Described in header. |
552cc11b | 641 | */ |
1b40b74d | 642 | int time_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec, |
d25ce370 | 643 | const void *const *args) |
552cc11b MW |
644 | { |
645 | static const char* months[] = { | |
646 | "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
647 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" | |
648 | }; | |
649 | time_t *time = *((time_t**)(args[0])); | |
13f2d3a2 | 650 | bool utc = *((int*)(args[1])); |
552cc11b | 651 | struct tm t; |
7daf5226 | 652 | |
cf29fc07 | 653 | if (*time == UNDEFINED_TIME) |
552cc11b | 654 | { |
1b40b74d | 655 | return print_in_hook(data, "--- -- --:--:--%s----", |
d25ce370 | 656 | utc ? " UTC " : " "); |
552cc11b MW |
657 | } |
658 | if (utc) | |
659 | { | |
660 | gmtime_r(time, &t); | |
661 | } | |
662 | else | |
663 | { | |
664 | localtime_r(time, &t); | |
665 | } | |
1b40b74d | 666 | return print_in_hook(data, "%s %02d %02d:%02d:%02d%s%04d", |
d25ce370 TB |
667 | months[t.tm_mon], t.tm_mday, t.tm_hour, t.tm_min, |
668 | t.tm_sec, utc ? " UTC " : " ", t.tm_year + 1900); | |
552cc11b MW |
669 | } |
670 | ||
671 | /** | |
d25ce370 | 672 | * Described in header. |
552cc11b | 673 | */ |
1b40b74d | 674 | int time_delta_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec, |
d25ce370 | 675 | const void *const *args) |
552cc11b MW |
676 | { |
677 | char* unit = "second"; | |
d25ce370 TB |
678 | time_t *arg1 = *((time_t**)(args[0])); |
679 | time_t *arg2 = *((time_t**)(args[1])); | |
876961cf | 680 | u_int64_t delta = llabs(*arg1 - *arg2); |
7daf5226 | 681 | |
552cc11b MW |
682 | if (delta > 2 * 60 * 60 * 24) |
683 | { | |
684 | delta /= 60 * 60 * 24; | |
685 | unit = "day"; | |
686 | } | |
687 | else if (delta > 2 * 60 * 60) | |
688 | { | |
689 | delta /= 60 * 60; | |
690 | unit = "hour"; | |
691 | } | |
692 | else if (delta > 2 * 60) | |
693 | { | |
694 | delta /= 60; | |
695 | unit = "minute"; | |
696 | } | |
1b40b74d | 697 | return print_in_hook(data, "%" PRIu64 " %s%s", delta, unit, |
876961cf | 698 | (delta == 1) ? "" : "s"); |
552cc11b MW |
699 | } |
700 | ||
701 | /** | |
702 | * Number of bytes per line to dump raw data | |
703 | */ | |
704 | #define BYTES_PER_LINE 16 | |
705 | ||
706 | static char hexdig_upper[] = "0123456789ABCDEF"; | |
707 | ||
708 | /** | |
d25ce370 | 709 | * Described in header. |
552cc11b | 710 | */ |
1b40b74d | 711 | int mem_printf_hook(printf_hook_data_t *data, |
d25ce370 | 712 | printf_hook_spec_t *spec, const void *const *args) |
552cc11b MW |
713 | { |
714 | char *bytes = *((void**)(args[0])); | |
817ab8a8 | 715 | u_int len = *((int*)(args[1])); |
7daf5226 | 716 | |
552cc11b MW |
717 | char buffer[BYTES_PER_LINE * 3]; |
718 | char ascii_buffer[BYTES_PER_LINE + 1]; | |
719 | char *buffer_pos = buffer; | |
720 | char *bytes_pos = bytes; | |
721 | char *bytes_roof = bytes + len; | |
722 | int line_start = 0; | |
723 | int i = 0; | |
724 | int written = 0; | |
7daf5226 | 725 | |
1b40b74d | 726 | written += print_in_hook(data, "=> %u bytes @ %p", len, bytes); |
7daf5226 | 727 | |
552cc11b MW |
728 | while (bytes_pos < bytes_roof) |
729 | { | |
730 | *buffer_pos++ = hexdig_upper[(*bytes_pos >> 4) & 0xF]; | |
731 | *buffer_pos++ = hexdig_upper[ *bytes_pos & 0xF]; | |
732 | ||
733 | ascii_buffer[i++] = | |
734 | (*bytes_pos > 31 && *bytes_pos < 127) ? *bytes_pos : '.'; | |
735 | ||
7daf5226 | 736 | if (++bytes_pos == bytes_roof || i == BYTES_PER_LINE) |
552cc11b MW |
737 | { |
738 | int padding = 3 * (BYTES_PER_LINE - i); | |
7daf5226 | 739 | |
552cc11b MW |
740 | while (padding--) |
741 | { | |
742 | *buffer_pos++ = ' '; | |
743 | } | |
744 | *buffer_pos++ = '\0'; | |
745 | ascii_buffer[i] = '\0'; | |
7daf5226 | 746 | |
1b40b74d | 747 | written += print_in_hook(data, "\n%4d: %s %s", |
323f9f99 | 748 | line_start, buffer, ascii_buffer); |
7daf5226 | 749 | |
552cc11b MW |
750 | buffer_pos = buffer; |
751 | line_start += BYTES_PER_LINE; | |
752 | i = 0; | |
753 | } | |
754 | else | |
755 | { | |
756 | *buffer_pos++ = ' '; | |
757 | } | |
758 | } | |
759 | return written; | |
760 | } |