Commit | Line | Data |
---|---|---|
693d8207 | 1 | /* Copyright 1988,1990,1993,1994 by Paul Vixie |
15637ed4 RG |
2 | * All rights reserved |
3 | * | |
4 | * Distribute freely, except: don't remove my name from the source or | |
5 | * documentation (don't take credit for my work), mark your changes (don't | |
6 | * get me blamed for your possible bugs), don't alter or remove this | |
7 | * notice. May be sold if buildable source is provided to buyer. No | |
8 | * warrantee of any kind, express or implied, is included with this | |
9 | * software; use at your own risk, responsibility for damages (if any) to | |
10 | * anyone resulting from the use of this software rests entirely with the | |
11 | * user. | |
12 | * | |
13 | * Send bug reports, bug fixes, enhancements, requests, flames, etc., and | |
14 | * I'll try to keep a version up to date. I can be reached as follows: | |
693d8207 GR |
15 | * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul |
16 | * From Id: crontab.c,v 2.13 1994/01/17 03:20:37 vixie Exp | |
17 | */ | |
18 | ||
19 | #if !defined(lint) && !defined(LINT) | |
20 | static char rcsid[] = "$Header: $"; | |
21 | #endif | |
22 | ||
23 | /* crontab - install and manage per-user crontab files | |
24 | * vix 02may87 [RCS has the rest of the log] | |
25 | * vix 26jan87 [original] | |
15637ed4 RG |
26 | */ |
27 | ||
28 | ||
29 | #define MAIN_PROGRAM | |
30 | ||
31 | ||
32 | #include "cron.h" | |
15637ed4 | 33 | #include <errno.h> |
693d8207 | 34 | #include <fcntl.h> |
15637ed4 | 35 | #include <sys/file.h> |
693d8207 GR |
36 | #include <sys/stat.h> |
37 | #ifdef USE_UTIMES | |
15637ed4 | 38 | # include <sys/time.h> |
693d8207 GR |
39 | #else |
40 | # include <time.h> | |
41 | # include <utime.h> | |
42 | #endif | |
43 | #if defined(POSIX) | |
44 | # include <locale.h> | |
45 | #endif | |
15637ed4 | 46 | |
15637ed4 | 47 | |
693d8207 | 48 | #define NHEADER_LINES 3 |
15637ed4 | 49 | |
15637ed4 | 50 | |
693d8207 | 51 | enum opt_t { opt_unknown, opt_list, opt_delete, opt_edit, opt_replace }; |
15637ed4 RG |
52 | |
53 | #if DEBUGGING | |
693d8207 | 54 | static char *Options[] = { "???", "list", "delete", "edit", "replace" }; |
15637ed4 RG |
55 | #endif |
56 | ||
693d8207 GR |
57 | |
58 | static PID_T Pid; | |
59 | static char User[MAX_UNAME], RealUser[MAX_UNAME]; | |
60 | static char Filename[MAX_FNAME]; | |
61 | static FILE *NewCrontab; | |
62 | static int CheckErrorCount; | |
63 | static enum opt_t Option; | |
64 | static struct passwd *pw; | |
65 | static void list_cmd __P((void)), | |
66 | delete_cmd __P((void)), | |
67 | edit_cmd __P((void)), | |
68 | poke_daemon __P((void)), | |
69 | check_error __P((char *)), | |
70 | parse_args __P((int c, char *v[])); | |
71 | static int replace_cmd __P((void)); | |
72 | ||
73 | ||
74 | static void | |
75 | usage(msg) | |
76 | char *msg; | |
15637ed4 | 77 | { |
693d8207 GR |
78 | fprintf(stderr, "%s: usage error: %s\n", ProgramName, msg); |
79 | fprintf(stderr, "usage:\t%s [-u user] file\n", ProgramName); | |
80 | fprintf(stderr, "\t%s [-u user] { -e | -l | -r }\n", ProgramName); | |
81 | fprintf(stderr, "\t\t(default operation is replace, per 1003.2)\n"); | |
82 | fprintf(stderr, "\t-e\t(edit user's crontab)\n"); | |
83 | fprintf(stderr, "\t-l\t(list user's crontab)\n"); | |
84 | fprintf(stderr, "\t-r\t(delete user's crontab)\n"); | |
15637ed4 RG |
85 | exit(ERROR_EXIT); |
86 | } | |
87 | ||
88 | ||
693d8207 | 89 | int |
15637ed4 RG |
90 | main(argc, argv) |
91 | int argc; | |
92 | char *argv[]; | |
93 | { | |
693d8207 | 94 | int exitstatus; |
15637ed4 RG |
95 | |
96 | Pid = getpid(); | |
97 | ProgramName = argv[0]; | |
693d8207 GR |
98 | |
99 | #if defined(POSIX) | |
100 | setlocale(LC_ALL, ""); | |
101 | #endif | |
102 | ||
15637ed4 RG |
103 | #if defined(BSD) |
104 | setlinebuf(stderr); | |
105 | #endif | |
106 | parse_args(argc, argv); /* sets many globals, opens a file */ | |
107 | set_cron_uid(); | |
108 | set_cron_cwd(); | |
109 | if (!allowed(User)) { | |
110 | fprintf(stderr, | |
111 | "You (%s) are not allowed to use this program (%s)\n", | |
112 | User, ProgramName); | |
113 | fprintf(stderr, "See crontab(1) for more information\n"); | |
114 | log_it(RealUser, Pid, "AUTH", "crontab command not allowed"); | |
115 | exit(ERROR_EXIT); | |
116 | } | |
693d8207 GR |
117 | exitstatus = OK_EXIT; |
118 | switch (Option) { | |
15637ed4 RG |
119 | case opt_list: list_cmd(); |
120 | break; | |
121 | case opt_delete: delete_cmd(); | |
122 | break; | |
693d8207 GR |
123 | case opt_edit: edit_cmd(); |
124 | break; | |
125 | case opt_replace: if (replace_cmd() < 0) | |
126 | exitstatus = ERROR_EXIT; | |
15637ed4 RG |
127 | break; |
128 | } | |
693d8207 GR |
129 | exit(0); |
130 | /*NOTREACHED*/ | |
15637ed4 RG |
131 | } |
132 | ||
133 | ||
693d8207 | 134 | static void |
15637ed4 RG |
135 | parse_args(argc, argv) |
136 | int argc; | |
137 | char *argv[]; | |
138 | { | |
15637ed4 RG |
139 | int argch; |
140 | ||
693d8207 | 141 | if (!(pw = getpwuid(getuid()))) { |
15637ed4 RG |
142 | fprintf(stderr, "%s: your UID isn't in the passwd file.\n", |
143 | ProgramName); | |
144 | fprintf(stderr, "bailing out.\n"); | |
145 | exit(ERROR_EXIT); | |
146 | } | |
147 | strcpy(User, pw->pw_name); | |
148 | strcpy(RealUser, User); | |
149 | Filename[0] = '\0'; | |
150 | Option = opt_unknown; | |
693d8207 GR |
151 | while (EOF != (argch = getopt(argc, argv, "u:lerx:"))) { |
152 | switch (argch) { | |
15637ed4 RG |
153 | case 'x': |
154 | if (!set_debug_flags(optarg)) | |
693d8207 | 155 | usage("bad debug option"); |
15637ed4 RG |
156 | break; |
157 | case 'u': | |
158 | if (getuid() != ROOT_UID) | |
159 | { | |
160 | fprintf(stderr, | |
161 | "must be privileged to use -u\n"); | |
162 | exit(ERROR_EXIT); | |
163 | } | |
693d8207 | 164 | if (!(pw = getpwnam(optarg))) |
15637ed4 RG |
165 | { |
166 | fprintf(stderr, "%s: user `%s' unknown\n", | |
167 | ProgramName, optarg); | |
168 | exit(ERROR_EXIT); | |
169 | } | |
170 | (void) strcpy(User, optarg); | |
171 | break; | |
172 | case 'l': | |
173 | if (Option != opt_unknown) | |
693d8207 | 174 | usage("only one operation permitted"); |
15637ed4 RG |
175 | Option = opt_list; |
176 | break; | |
693d8207 | 177 | case 'r': |
15637ed4 | 178 | if (Option != opt_unknown) |
693d8207 | 179 | usage("only one operation permitted"); |
15637ed4 RG |
180 | Option = opt_delete; |
181 | break; | |
693d8207 | 182 | case 'e': |
15637ed4 | 183 | if (Option != opt_unknown) |
693d8207 GR |
184 | usage("only one operation permitted"); |
185 | Option = opt_edit; | |
15637ed4 RG |
186 | break; |
187 | default: | |
693d8207 | 188 | usage("unrecognized option"); |
15637ed4 RG |
189 | } |
190 | } | |
191 | ||
192 | endpwent(); | |
193 | ||
693d8207 GR |
194 | if (Option != opt_unknown) { |
195 | if (argv[optind] != NULL) { | |
196 | usage("no arguments permitted after this option"); | |
197 | } | |
198 | } else { | |
199 | if (argv[optind] != NULL) { | |
200 | Option = opt_replace; | |
201 | (void) strcpy (Filename, argv[optind]); | |
202 | } else { | |
203 | usage("file name must be specified for replace"); | |
204 | } | |
205 | } | |
15637ed4 RG |
206 | |
207 | if (Option == opt_replace) { | |
15637ed4 RG |
208 | /* we have to open the file here because we're going to |
209 | * chdir(2) into /var/cron before we get around to | |
210 | * reading the file. | |
211 | */ | |
212 | if (!strcmp(Filename, "-")) { | |
213 | NewCrontab = stdin; | |
214 | } else { | |
693d8207 GR |
215 | /* relinquish the setuid status of the binary during |
216 | * the open, lest nonroot users read files they should | |
217 | * not be able to read. we can't use access() here | |
218 | * since there's a race condition. thanks go out to | |
219 | * Arnt Gulbrandsen <agulbra@pvv.unit.no> for spotting | |
220 | * the race. | |
221 | */ | |
222 | ||
223 | if (swap_uids() < OK) { | |
224 | perror("swapping uids"); | |
225 | exit(ERROR_EXIT); | |
226 | } | |
15637ed4 RG |
227 | if (!(NewCrontab = fopen(Filename, "r"))) { |
228 | perror(Filename); | |
229 | exit(ERROR_EXIT); | |
230 | } | |
693d8207 GR |
231 | if (swap_uids() < OK) { |
232 | perror("swapping uids back"); | |
233 | exit(ERROR_EXIT); | |
234 | } | |
15637ed4 RG |
235 | } |
236 | } | |
237 | ||
238 | Debug(DMISC, ("user=%s, file=%s, option=%s\n", | |
693d8207 | 239 | User, Filename, Options[(int)Option])) |
15637ed4 RG |
240 | } |
241 | ||
242 | ||
693d8207 GR |
243 | static void |
244 | list_cmd() { | |
15637ed4 RG |
245 | char n[MAX_FNAME]; |
246 | FILE *f; | |
247 | int ch; | |
248 | ||
249 | log_it(RealUser, Pid, "LIST", User); | |
250 | (void) sprintf(n, CRON_TAB(User)); | |
693d8207 | 251 | if (!(f = fopen(n, "r"))) { |
15637ed4 RG |
252 | if (errno == ENOENT) |
253 | fprintf(stderr, "no crontab for %s\n", User); | |
254 | else | |
255 | perror(n); | |
256 | exit(ERROR_EXIT); | |
257 | } | |
258 | ||
259 | /* file is open. copy to stdout, close. | |
260 | */ | |
261 | Set_LineNum(1) | |
262 | while (EOF != (ch = get_char(f))) | |
263 | putchar(ch); | |
264 | fclose(f); | |
265 | } | |
266 | ||
267 | ||
693d8207 GR |
268 | static void |
269 | delete_cmd() { | |
15637ed4 RG |
270 | char n[MAX_FNAME]; |
271 | ||
272 | log_it(RealUser, Pid, "DELETE", User); | |
273 | (void) sprintf(n, CRON_TAB(User)); | |
693d8207 | 274 | if (unlink(n)) { |
15637ed4 RG |
275 | if (errno == ENOENT) |
276 | fprintf(stderr, "no crontab for %s\n", User); | |
277 | else | |
278 | perror(n); | |
279 | exit(ERROR_EXIT); | |
280 | } | |
281 | poke_daemon(); | |
282 | } | |
283 | ||
284 | ||
693d8207 | 285 | static void |
15637ed4 RG |
286 | check_error(msg) |
287 | char *msg; | |
288 | { | |
693d8207 GR |
289 | CheckErrorCount++; |
290 | fprintf(stderr, "\"%s\":%d: %s\n", Filename, LineNumber-1, msg); | |
15637ed4 RG |
291 | } |
292 | ||
293 | ||
693d8207 GR |
294 | static void |
295 | edit_cmd() { | |
296 | char n[MAX_FNAME], q[MAX_TEMPSTR], *editor; | |
297 | FILE *f; | |
298 | int ch, t, x; | |
299 | struct stat statbuf; | |
300 | time_t mtime; | |
301 | WAIT_T waiter; | |
302 | PID_T pid, xpid; | |
15637ed4 | 303 | |
693d8207 GR |
304 | log_it(RealUser, Pid, "BEGIN EDIT", User); |
305 | (void) sprintf(n, CRON_TAB(User)); | |
306 | if (!(f = fopen(n, "r"))) { | |
307 | if (errno != ENOENT) { | |
308 | perror(n); | |
309 | exit(ERROR_EXIT); | |
310 | } | |
311 | fprintf(stderr, "no crontab for %s - using an empty one\n", | |
312 | User); | |
313 | if (!(f = fopen("/dev/null", "r"))) { | |
314 | perror("/dev/null"); | |
315 | exit(ERROR_EXIT); | |
316 | } | |
317 | } | |
318 | ||
319 | (void) sprintf(Filename, "/tmp/crontab.%d", Pid); | |
320 | if (-1 == (t = open(Filename, O_CREAT|O_EXCL|O_RDWR, 0600))) { | |
321 | perror(Filename); | |
322 | goto fatal; | |
323 | } | |
324 | #ifdef HAS_FCHOWN | |
325 | if (fchown(t, getuid(), getgid()) < 0) { | |
326 | #else | |
327 | if (chown(Filename, getuid(), getgid()) < 0) { | |
328 | #endif | |
329 | perror("fchown"); | |
330 | goto fatal; | |
331 | } | |
332 | if (!(NewCrontab = fdopen(t, "r+"))) { | |
333 | perror("fdopen"); | |
334 | goto fatal; | |
335 | } | |
336 | ||
337 | Set_LineNum(1) | |
338 | ||
339 | /* ignore the top few comments since we probably put them there. | |
340 | */ | |
341 | for (x = 0; x < NHEADER_LINES; x++) { | |
342 | ch = get_char(f); | |
343 | if (EOF == ch) | |
344 | break; | |
345 | if ('#' != ch) { | |
346 | putc(ch, NewCrontab); | |
347 | break; | |
348 | } | |
349 | while (EOF != (ch = get_char(f))) | |
350 | if (ch == '\n') | |
351 | break; | |
352 | if (EOF == ch) | |
353 | break; | |
354 | } | |
355 | ||
356 | /* copy the rest of the crontab (if any) to the temp file. | |
357 | */ | |
358 | if (EOF != ch) | |
359 | while (EOF != (ch = get_char(f))) | |
360 | putc(ch, NewCrontab); | |
361 | fclose(f); | |
362 | if (fflush(NewCrontab) < OK) { | |
363 | perror(Filename); | |
364 | exit(ERROR_EXIT); | |
365 | } | |
366 | again: | |
367 | rewind(NewCrontab); | |
368 | if (ferror(NewCrontab)) { | |
369 | fprintf(stderr, "%s: error while writing new crontab to %s\n", | |
370 | ProgramName, Filename); | |
371 | fatal: unlink(Filename); | |
372 | exit(ERROR_EXIT); | |
373 | } | |
374 | if (fstat(t, &statbuf) < 0) { | |
375 | perror("fstat"); | |
376 | goto fatal; | |
377 | } | |
378 | mtime = statbuf.st_mtime; | |
379 | ||
380 | if ((!(editor = getenv("VISUAL"))) | |
381 | && (!(editor = getenv("EDITOR"))) | |
382 | ) { | |
383 | editor = EDITOR; | |
384 | } | |
385 | ||
386 | /* we still have the file open. editors will generally rewrite the | |
387 | * original file rather than renaming/unlinking it and starting a | |
388 | * new one; even backup files are supposed to be made by copying | |
389 | * rather than by renaming. if some editor does not support this, | |
390 | * then don't use it. the security problems are more severe if we | |
391 | * close and reopen the file around the edit. | |
392 | */ | |
393 | ||
394 | switch (pid = fork()) { | |
395 | case -1: | |
396 | perror("fork"); | |
397 | goto fatal; | |
398 | case 0: | |
399 | /* child */ | |
400 | if (setuid(getuid()) < 0) { | |
401 | perror("setuid(getuid())"); | |
402 | exit(ERROR_EXIT); | |
403 | } | |
404 | if (chdir("/tmp") < 0) { | |
405 | perror("chdir(/tmp)"); | |
406 | exit(ERROR_EXIT); | |
407 | } | |
408 | execlp(editor, editor, Filename, NULL); | |
409 | perror(editor); | |
410 | exit(ERROR_EXIT); | |
411 | /*NOTREACHED*/ | |
412 | default: | |
413 | /* parent */ | |
414 | break; | |
415 | } | |
416 | ||
417 | /* parent */ | |
418 | xpid = wait(&waiter); | |
419 | if (xpid != pid) { | |
420 | fprintf(stderr, "%s: wrong PID (%d != %d) from \"%s\"\n", | |
421 | ProgramName, xpid, pid, editor); | |
422 | goto fatal; | |
423 | } | |
424 | if (WIFEXITED(waiter) && WEXITSTATUS(waiter)) { | |
425 | fprintf(stderr, "%s: \"%s\" exited with status %d\n", | |
426 | ProgramName, editor, WEXITSTATUS(waiter)); | |
427 | goto fatal; | |
428 | } | |
429 | if (WIFSIGNALED(waiter)) { | |
430 | fprintf(stderr, | |
431 | "%s: \"%s\" killed; signal %d (%score dumped)\n", | |
432 | ProgramName, editor, WTERMSIG(waiter), | |
433 | WCOREDUMP(waiter) ?"" :"no "); | |
434 | goto fatal; | |
435 | } | |
436 | if (fstat(t, &statbuf) < 0) { | |
437 | perror("fstat"); | |
438 | goto fatal; | |
439 | } | |
440 | if (mtime == statbuf.st_mtime) { | |
441 | fprintf(stderr, "%s: no changes made to crontab\n", | |
442 | ProgramName); | |
443 | goto remove; | |
444 | } | |
445 | fprintf(stderr, "%s: installing new crontab\n", ProgramName); | |
446 | switch (replace_cmd()) { | |
447 | case 0: | |
448 | break; | |
449 | case -1: | |
450 | for (;;) { | |
451 | printf("Do you want to retry the same edit? "); | |
452 | fflush(stdout); | |
453 | q[0] = '\0'; | |
454 | (void) fgets(q, sizeof q, stdin); | |
455 | switch (islower(q[0]) ? q[0] : tolower(q[0])) { | |
456 | case 'y': | |
457 | goto again; | |
458 | case 'n': | |
459 | goto abandon; | |
460 | default: | |
461 | fprintf(stderr, "Enter Y or N\n"); | |
462 | } | |
463 | } | |
464 | /*NOTREACHED*/ | |
465 | case -2: | |
466 | abandon: | |
467 | fprintf(stderr, "%s: edits left in %s\n", | |
468 | ProgramName, Filename); | |
469 | goto done; | |
470 | default: | |
471 | fprintf(stderr, "%s: panic: bad switch() in replace_cmd()\n"); | |
472 | goto fatal; | |
473 | } | |
474 | remove: | |
475 | unlink(Filename); | |
476 | done: | |
477 | log_it(RealUser, Pid, "END EDIT", User); | |
478 | } | |
479 | ||
480 | ||
481 | /* returns 0 on success | |
482 | * -1 on syntax error | |
483 | * -2 on install error | |
484 | */ | |
485 | static int | |
486 | replace_cmd() { | |
15637ed4 RG |
487 | char n[MAX_FNAME], envstr[MAX_ENVSTR], tn[MAX_FNAME]; |
488 | FILE *tmp; | |
693d8207 | 489 | int ch, eof; |
15637ed4 | 490 | entry *e; |
15637ed4 | 491 | time_t now = time(NULL); |
693d8207 | 492 | char **envp = env_init(); |
15637ed4 RG |
493 | |
494 | (void) sprintf(n, "tmp.%d", Pid); | |
495 | (void) sprintf(tn, CRON_TAB(n)); | |
693d8207 | 496 | if (!(tmp = fopen(tn, "w+"))) { |
15637ed4 | 497 | perror(tn); |
693d8207 | 498 | return (-2); |
15637ed4 RG |
499 | } |
500 | ||
693d8207 GR |
501 | /* write a signature at the top of the file. |
502 | * | |
503 | * VERY IMPORTANT: make sure NHEADER_LINES agrees with this code. | |
15637ed4 | 504 | */ |
693d8207 | 505 | fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n"); |
15637ed4 RG |
506 | fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now)); |
507 | fprintf(tmp, "# (Cron version -- %s)\n", rcsid); | |
508 | ||
509 | /* copy the crontab to the tmp | |
510 | */ | |
693d8207 | 511 | rewind(NewCrontab); |
15637ed4 RG |
512 | Set_LineNum(1) |
513 | while (EOF != (ch = get_char(NewCrontab))) | |
514 | putc(ch, tmp); | |
693d8207 | 515 | ftruncate(fileno(tmp), ftell(tmp)); |
15637ed4 RG |
516 | fflush(tmp); rewind(tmp); |
517 | ||
518 | if (ferror(tmp)) { | |
519 | fprintf(stderr, "%s: error while writing new crontab to %s\n", | |
520 | ProgramName, tn); | |
521 | fclose(tmp); unlink(tn); | |
693d8207 | 522 | return (-2); |
15637ed4 RG |
523 | } |
524 | ||
525 | /* check the syntax of the file being installed. | |
526 | */ | |
527 | ||
528 | /* BUG: was reporting errors after the EOF if there were any errors | |
529 | * in the file proper -- kludged it by stopping after first error. | |
530 | * vix 31mar87 | |
531 | */ | |
693d8207 GR |
532 | Set_LineNum(1 - NHEADER_LINES) |
533 | CheckErrorCount = 0; eof = FALSE; | |
534 | while (!CheckErrorCount && !eof) { | |
535 | switch (load_env(envstr, tmp)) { | |
536 | case ERR: | |
537 | eof = TRUE; | |
538 | break; | |
539 | case FALSE: | |
540 | e = load_entry(tmp, check_error, pw, envp); | |
541 | if (e) | |
542 | free(e); | |
543 | break; | |
544 | case TRUE: | |
545 | break; | |
15637ed4 RG |
546 | } |
547 | } | |
548 | ||
693d8207 | 549 | if (CheckErrorCount != 0) { |
15637ed4 RG |
550 | fprintf(stderr, "errors in crontab file, can't install.\n"); |
551 | fclose(tmp); unlink(tn); | |
693d8207 | 552 | return (-1); |
15637ed4 RG |
553 | } |
554 | ||
693d8207 | 555 | #ifdef HAS_FCHOWN |
15637ed4 | 556 | if (fchown(fileno(tmp), ROOT_UID, -1) < OK) |
693d8207 GR |
557 | #else |
558 | if (chown(tn, ROOT_UID, -1) < OK) | |
559 | #endif | |
15637ed4 RG |
560 | { |
561 | perror("chown"); | |
562 | fclose(tmp); unlink(tn); | |
693d8207 | 563 | return (-2); |
15637ed4 RG |
564 | } |
565 | ||
693d8207 | 566 | #ifdef HAS_FCHMOD |
15637ed4 | 567 | if (fchmod(fileno(tmp), 0600) < OK) |
693d8207 GR |
568 | #else |
569 | if (chmod(tn, 0600) < OK) | |
570 | #endif | |
15637ed4 RG |
571 | { |
572 | perror("chown"); | |
573 | fclose(tmp); unlink(tn); | |
693d8207 | 574 | return (-2); |
15637ed4 RG |
575 | } |
576 | ||
577 | if (fclose(tmp) == EOF) { | |
578 | perror("fclose"); | |
579 | unlink(tn); | |
693d8207 | 580 | return (-2); |
15637ed4 RG |
581 | } |
582 | ||
583 | (void) sprintf(n, CRON_TAB(User)); | |
693d8207 | 584 | if (rename(tn, n)) { |
15637ed4 RG |
585 | fprintf(stderr, "%s: error renaming %s to %s\n", |
586 | ProgramName, tn, n); | |
587 | perror("rename"); | |
588 | unlink(tn); | |
693d8207 | 589 | return (-2); |
15637ed4 RG |
590 | } |
591 | log_it(RealUser, Pid, "REPLACE", User); | |
592 | ||
593 | poke_daemon(); | |
693d8207 GR |
594 | |
595 | return (0); | |
15637ed4 RG |
596 | } |
597 | ||
598 | ||
693d8207 GR |
599 | static void |
600 | poke_daemon() { | |
601 | #ifdef USE_UTIMES | |
15637ed4 RG |
602 | struct timeval tvs[2]; |
603 | struct timezone tz; | |
604 | ||
605 | (void) gettimeofday(&tvs[0], &tz); | |
606 | tvs[1] = tvs[0]; | |
693d8207 | 607 | if (utimes(SPOOL_DIR, tvs) < OK) { |
15637ed4 RG |
608 | fprintf(stderr, "crontab: can't update mtime on spooldir\n"); |
609 | perror(SPOOL_DIR); | |
610 | return; | |
611 | } | |
693d8207 GR |
612 | #else |
613 | if (utime(SPOOL_DIR, NULL) < OK) { | |
15637ed4 RG |
614 | fprintf(stderr, "crontab: can't update mtime on spooldir\n"); |
615 | perror(SPOOL_DIR); | |
616 | return; | |
617 | } | |
693d8207 | 618 | #endif /*USE_UTIMES*/ |
15637ed4 | 619 | } |