2 * ------+---------+---------+-------- + --------+---------+---------+---------*
3 * This file includes significant modifications done by:
4 * Copyright (c) 2003, 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * ------+---------+---------+-------- + --------+---------+---------+---------*
32 * This file contains changes from the Open Software Foundation.
36 * Copyright 1988, 1989 by the Massachusetts Institute of Technology
38 * Permission to use, copy, modify, and distribute this software and its
39 * documentation for any purpose and without fee is hereby granted, provided
40 * that the above copyright notice appear in all copies and that both that
41 * copyright notice and this permission notice appear in supporting
42 * documentation, and that the names of M.I.T. and the M.I.T. S.I.P.B. not be
43 * used in advertising or publicity pertaining to distribution of the
44 * software without specific, written prior permission. M.I.T. and the M.I.T.
45 * S.I.P.B. make no representations about the suitability of this software
46 * for any purpose. It is provided "as is" without express or implied
52 * newsyslog - roll over selected logs at the appropriate time, keeping the a
53 * specified number of backup files around.
56 #include <sys/cdefs.h>
57 __FBSDID("$FreeBSD$");
61 #include <sys/param.h>
62 #include <sys/queue.h>
86 #include "pathnames.h"
90 * Compression suffixes
92 #ifndef COMPRESS_SUFFIX_GZ
93 #define COMPRESS_SUFFIX_GZ ".gz"
96 #ifndef COMPRESS_SUFFIX_BZ2
97 #define COMPRESS_SUFFIX_BZ2 ".bz2"
100 #ifndef COMPRESS_SUFFIX_XZ
101 #define COMPRESS_SUFFIX_XZ ".xz"
104 #ifndef COMPRESS_SUFFIX_ZST
105 #define COMPRESS_SUFFIX_ZST ".zst"
108 #define COMPRESS_SUFFIX_MAXLEN MAX(MAX(sizeof(COMPRESS_SUFFIX_GZ),sizeof(COMPRESS_SUFFIX_BZ2)),sizeof(COMPRESS_SUFFIX_XZ))
113 #define COMPRESS_TYPES 5 /* Number of supported compression types */
115 #define COMPRESS_NONE 0
116 #define COMPRESS_GZIP 1
117 #define COMPRESS_BZIP2 2
118 #define COMPRESS_XZ 3
119 #define COMPRESS_ZSTD 4
122 * Bit-values for the 'flags' parsed from a config-file entry.
124 #define CE_BINARY 0x0008 /* Logfile is in binary, do not add status */
125 /* messages to logfile(s) when rotating. */
126 #define CE_NOSIGNAL 0x0010 /* There is no process to signal when */
127 /* trimming this file. */
128 #define CE_TRIMAT 0x0020 /* trim file at a specific time. */
129 #define CE_GLOB 0x0040 /* name of the log is file name pattern. */
130 #define CE_SIGNALGROUP 0x0080 /* Signal a process-group instead of a single */
131 /* process when trimming this file. */
132 #define CE_CREATE 0x0100 /* Create the log file if it does not exist. */
133 #define CE_NODUMP 0x0200 /* Set 'nodump' on newly created log file. */
134 #define CE_PID2CMD 0x0400 /* Replace PID file with a shell command.*/
136 #define CE_RFC5424 0x0800 /* Use RFC5424 format rotation message */
138 #define MIN_PID 5 /* Don't touch pids lower than this */
139 #define MAX_PID 99999 /* was lower, see /usr/include/sys/proc.h */
141 #define kbytes(size) (((size) + 1023) >> 10)
143 #define DEFAULT_MARKER "<default>"
144 #define DEBUG_MARKER "<debug>"
145 #define INCLUDE_MARKER "<include>"
146 #define DEFAULT_TIMEFNAME_FMT "%Y%m%dT%H%M%S"
148 #define MAX_OLDLOGS 65536 /* Default maximum number of old logfiles */
150 struct compress_types {
151 const char *flag; /* Flag in configuration file */
152 const char *suffix; /* Compression suffix */
153 const char *path; /* Path to compression program */
154 char **args; /* Compression program arguments */
157 static char f_arg[] = "-f";
158 static char q_arg[] = "-q";
159 static char rm_arg[] = "--rm";
160 static char *gz_args[] ={ NULL, f_arg, NULL, NULL };
161 #define bzip2_args gz_args
162 #define xz_args gz_args
163 static char *zstd_args[] = { NULL, q_arg, rm_arg, NULL, NULL };
166 static const struct compress_types compress_type[COMPRESS_TYPES] = {
167 { "", "", "", NULL}, /* none */
168 { "Z", COMPRESS_SUFFIX_GZ, _PATH_GZIP, gz_args}, /* gzip */
169 { "J", COMPRESS_SUFFIX_BZ2, _PATH_BZIP2, bzip2_args}, /* bzip2 */
170 { "X", COMPRESS_SUFFIX_XZ, _PATH_XZ, xz_args }, /* xz */
171 { "Y", COMPRESS_SUFFIX_ZST, _PATH_ZSTD, zstd_args } /* zst */
175 STAILQ_ENTRY(conf_entry) cf_nextp;
176 char *log; /* Name of the log */
177 char *pid_cmd_file; /* PID or command file */
178 char *r_reason; /* The reason this file is being rotated */
179 int firstcreate; /* Creating log for the first time (-C). */
180 int rotate; /* Non-zero if this file should be rotated */
181 int fsize; /* size found for the log file */
182 uid_t uid; /* Owner of log */
183 gid_t gid; /* Group of log */
184 int numlogs; /* Number of logs to keep */
185 int trsize; /* Size cutoff to trigger trimming the log */
186 int hours; /* Hours between log trimming */
187 struct ptime_data *trim_at; /* Specific time to do trimming */
188 unsigned int permissions; /* File permissions on the log */
189 int flags; /* CE_BINARY */
190 int compress; /* Compression */
191 int sig; /* Signal to send */
192 int def_cfg; /* Using the <default> rule for this file */
195 struct sigwork_entry {
196 SLIST_ENTRY(sigwork_entry) sw_nextp;
197 int sw_signum; /* the signal to send */
198 int sw_pidok; /* true if pid value is valid */
199 pid_t sw_pid; /* the process id from the PID file */
200 const char *sw_pidtype; /* "daemon" or "process group" */
201 int sw_runcmd; /* run command or send PID to signal */
202 char sw_fname[1]; /* file the PID was read from or shell cmd */
205 struct zipwork_entry {
206 SLIST_ENTRY(zipwork_entry) zw_nextp;
207 const struct conf_entry *zw_conf; /* for chown/perm/flag info */
208 const struct sigwork_entry *zw_swork; /* to know success of signal */
209 int zw_fsize; /* size of the file to compress */
210 char zw_fname[1]; /* the file to compress */
213 struct include_entry {
214 STAILQ_ENTRY(include_entry) inc_nextp;
215 const char *file; /* Name of file to process */
218 struct oldlog_entry {
219 char *fname; /* Filename of the log file */
220 time_t t; /* Parsed timestamp of the logfile */
227 STAILQ_HEAD(cflist, conf_entry);
228 static SLIST_HEAD(swlisthead, sigwork_entry) swhead =
229 SLIST_HEAD_INITIALIZER(swhead);
230 static SLIST_HEAD(zwlisthead, zipwork_entry) zwhead =
231 SLIST_HEAD_INITIALIZER(zwhead);
232 STAILQ_HEAD(ilist, include_entry);
234 int dbg_at_times; /* -D Show details of 'trim_at' code */
236 static int archtodir = 0; /* Archive old logfiles to other directory */
237 static int createlogs; /* Create (non-GLOB) logfiles which do not */
238 /* already exist. 1=='for entries with */
239 /* C flag', 2=='for all entries'. */
240 int verbose = 0; /* Print out what's going on */
241 static int needroot = 1; /* Root privs are necessary */
242 int noaction = 0; /* Don't do anything, just show it */
243 static int norotate = 0; /* Don't rotate */
244 static int nosignal; /* Do not send any signals */
245 static int enforcepid = 0; /* If PID file does not exist or empty, do nothing */
246 static int force = 0; /* Force the trim no matter what */
247 static int rotatereq = 0; /* -R = Always rotate the file(s) as given */
248 /* on the command (this also requires */
249 /* that a list of files *are* given on */
250 /* the run command). */
251 static char *requestor; /* The name given on a -R request */
252 static char *timefnamefmt = NULL;/* Use time based filenames instead of .0 */
253 static char *archdirname; /* Directory path to old logfiles archive */
254 static char *destdir = NULL; /* Directory to treat at root for logs */
255 static const char *conf; /* Configuration file to use */
257 struct ptime_data *dbg_timenow; /* A "timenow" value set via -D option */
258 static struct ptime_data *timenow; /* The time to use for checking at-fields */
260 #define DAYTIME_LEN 16
261 static char daytime[DAYTIME_LEN];/* The current time in human readable form,
262 * used for rotation-tracking messages. */
264 /* Another buffer to hold the current time in RFC5424 format. Fractional
265 * seconds are allowed by the RFC, but are not included in the
266 * rotation-tracking messages written by newsyslog and so are not accounted for
267 * in the length below.
269 #define DAYTIME_RFC5424_LEN sizeof("YYYY-MM-DDTHH:MM:SS+00:00")
270 static char daytime_rfc5424[DAYTIME_RFC5424_LEN];
272 static char hostname[MAXHOSTNAMELEN]; /* hostname */
274 static const char *path_syslogpid = _PATH_SYSLOGPID;
276 static struct cflist *get_worklist(char **files);
277 static void parse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p,
278 struct conf_entry *defconf_p, struct ilist *inclist);
279 static void add_to_queue(const char *fname, struct ilist *inclist);
280 static char *sob(char *p);
281 static char *son(char *p);
282 static int isnumberstr(const char *);
283 static int isglobstr(const char *);
284 static char *missing_field(char *p, char *errline);
285 static void change_attrs(const char *, const struct conf_entry *);
286 static const char *get_logfile_suffix(const char *logfile);
287 static fk_entry do_entry(struct conf_entry *);
288 static fk_entry do_rotate(const struct conf_entry *);
289 static void do_sigwork(struct sigwork_entry *);
290 static void do_zipwork(struct zipwork_entry *);
291 static struct sigwork_entry *
292 save_sigwork(const struct conf_entry *);
293 static struct zipwork_entry *
294 save_zipwork(const struct conf_entry *, const struct
295 sigwork_entry *, int, const char *);
296 static void set_swpid(struct sigwork_entry *, const struct conf_entry *);
297 static int sizefile(const char *);
298 static void expand_globs(struct cflist *work_p, struct cflist *glob_p);
299 static void free_clist(struct cflist *list);
300 static void free_entry(struct conf_entry *ent);
301 static struct conf_entry *init_entry(const char *fname,
302 struct conf_entry *src_entry);
303 static void parse_args(int argc, char **argv);
304 static int parse_doption(const char *doption);
305 static void usage(void);
306 static int log_trim(const char *logname, const struct conf_entry *log_ent);
307 static int age_old_log(const char *file);
308 static void savelog(char *from, char *to);
309 static void createdir(const struct conf_entry *ent, char *dirpart);
310 static void createlog(const struct conf_entry *ent);
311 static int parse_signal(const char *str);
314 * All the following take a parameter of 'int', but expect values in the
315 * range of unsigned char. Define wrappers which take values of type 'char',
316 * whether signed or unsigned, and ensure they end up in the right range.
318 #define isdigitch(Anychar) isdigit((u_char)(Anychar))
319 #define isprintch(Anychar) isprint((u_char)(Anychar))
320 #define isspacech(Anychar) isspace((u_char)(Anychar))
321 #define tolowerch(Anychar) tolower((u_char)(Anychar))
324 main(int argc, char **argv)
326 struct cflist *worklist;
327 struct conf_entry *p;
328 struct sigwork_entry *stmp;
329 struct zipwork_entry *ztmp;
334 parse_args(argc, argv);
338 if (needroot && getuid() && geteuid())
339 errx(1, "must have root privs");
340 worklist = get_worklist(argv);
343 * Rotate all the files which need to be rotated. Note that
344 * some users have *hundreds* of entries in newsyslog.conf!
346 while (!STAILQ_EMPTY(worklist)) {
347 p = STAILQ_FIRST(worklist);
348 STAILQ_REMOVE_HEAD(worklist, cf_nextp);
349 if (do_entry(p) == FREE_ENT)
354 * Send signals to any processes which need a signal to tell
355 * them to close and re-open the log file(s) we have rotated.
356 * Note that zipwork_entries include pointers to these
357 * sigwork_entry's, so we can not free the entries here.
359 if (!SLIST_EMPTY(&swhead)) {
360 if (noaction || verbose)
361 printf("Signal all daemon process(es)...\n");
362 SLIST_FOREACH(stmp, &swhead, sw_nextp)
364 if (!(rotatereq && nosignal)) {
366 printf("\tsleep 10\n");
369 printf("Pause 10 seconds to allow "
370 "daemon(s) to close log file(s)\n");
376 * Compress all files that we're expected to compress, now
377 * that all processes should have closed the files which
380 if (!SLIST_EMPTY(&zwhead)) {
381 if (noaction || verbose)
382 printf("Compress all rotated log file(s)...\n");
383 while (!SLIST_EMPTY(&zwhead)) {
384 ztmp = SLIST_FIRST(&zwhead);
386 SLIST_REMOVE_HEAD(&zwhead, zw_nextp);
390 /* Now free all the sigwork entries. */
391 while (!SLIST_EMPTY(&swhead)) {
392 stmp = SLIST_FIRST(&swhead);
393 SLIST_REMOVE_HEAD(&swhead, sw_nextp);
397 while (wait(NULL) > 0 || errno == EINTR)
402 static struct conf_entry *
403 init_entry(const char *fname, struct conf_entry *src_entry)
405 struct conf_entry *tempwork;
408 printf("\t--> [creating entry for %s]\n", fname);
410 tempwork = malloc(sizeof(struct conf_entry));
411 if (tempwork == NULL)
412 err(1, "malloc of conf_entry for %s", fname);
414 if (destdir == NULL || fname[0] != '/')
415 tempwork->log = strdup(fname);
417 asprintf(&tempwork->log, "%s%s", destdir, fname);
418 if (tempwork->log == NULL)
419 err(1, "strdup for %s", fname);
421 if (src_entry != NULL) {
422 tempwork->pid_cmd_file = NULL;
423 if (src_entry->pid_cmd_file)
424 tempwork->pid_cmd_file = strdup(src_entry->pid_cmd_file);
425 tempwork->r_reason = NULL;
426 tempwork->firstcreate = 0;
427 tempwork->rotate = 0;
428 tempwork->fsize = -1;
429 tempwork->uid = src_entry->uid;
430 tempwork->gid = src_entry->gid;
431 tempwork->numlogs = src_entry->numlogs;
432 tempwork->trsize = src_entry->trsize;
433 tempwork->hours = src_entry->hours;
434 tempwork->trim_at = NULL;
435 if (src_entry->trim_at != NULL)
436 tempwork->trim_at = ptime_init(src_entry->trim_at);
437 tempwork->permissions = src_entry->permissions;
438 tempwork->flags = src_entry->flags;
439 tempwork->compress = src_entry->compress;
440 tempwork->sig = src_entry->sig;
441 tempwork->def_cfg = src_entry->def_cfg;
443 /* Initialize as a "do-nothing" entry */
444 tempwork->pid_cmd_file = NULL;
445 tempwork->r_reason = NULL;
446 tempwork->firstcreate = 0;
447 tempwork->rotate = 0;
448 tempwork->fsize = -1;
449 tempwork->uid = (uid_t)-1;
450 tempwork->gid = (gid_t)-1;
451 tempwork->numlogs = 1;
452 tempwork->trsize = -1;
453 tempwork->hours = -1;
454 tempwork->trim_at = NULL;
455 tempwork->permissions = 0;
457 tempwork->compress = COMPRESS_NONE;
458 tempwork->sig = SIGHUP;
459 tempwork->def_cfg = 0;
466 free_entry(struct conf_entry *ent)
472 if (ent->log != NULL) {
474 printf("\t--> [freeing entry for %s]\n", ent->log);
479 if (ent->pid_cmd_file != NULL) {
480 free(ent->pid_cmd_file);
481 ent->pid_cmd_file = NULL;
484 if (ent->r_reason != NULL) {
486 ent->r_reason = NULL;
489 if (ent->trim_at != NULL) {
490 ptime_free(ent->trim_at);
498 free_clist(struct cflist *list)
500 struct conf_entry *ent;
502 while (!STAILQ_EMPTY(list)) {
503 ent = STAILQ_FIRST(list);
504 STAILQ_REMOVE_HEAD(list, cf_nextp);
513 do_entry(struct conf_entry * ent)
515 #define REASON_MAX 80
517 fk_entry free_or_keep;
519 char temp_reason[REASON_MAX];
522 free_or_keep = FREE_ENT;
524 printf("%s <%d%s>: ", ent->log, ent->numlogs,
525 compress_type[ent->compress].flag);
526 ent->fsize = sizefile(ent->log);
527 oversized = ((ent->trsize > 0) && (ent->fsize >= ent->trsize));
528 modtime = age_old_log(ent->log);
530 ent->firstcreate = 0;
531 if (ent->fsize < 0) {
533 * If either the C flag or the -C option was specified,
534 * and if we won't be creating the file, then have the
535 * verbose message include a hint as to why the file
536 * will not be created.
538 temp_reason[0] = '\0';
540 ent->firstcreate = 1;
541 else if ((ent->flags & CE_CREATE) && createlogs)
542 ent->firstcreate = 1;
543 else if (ent->flags & CE_CREATE)
544 strlcpy(temp_reason, " (no -C option)", REASON_MAX);
546 strlcpy(temp_reason, " (no C flag)", REASON_MAX);
548 if (ent->firstcreate) {
550 printf("does not exist -> will create.\n");
552 } else if (verbose) {
553 printf("does not exist, skipped%s.\n", temp_reason);
556 if (ent->flags & CE_TRIMAT && !force && !rotatereq &&
558 diffsecs = ptimeget_diff(timenow, ent->trim_at);
559 if (diffsecs < 0.0) {
560 /* trim_at is some time in the future. */
562 ptime_adjust4dst(ent->trim_at,
564 printf("--> will trim at %s",
565 ptimeget_ctime(ent->trim_at));
567 return (free_or_keep);
568 } else if (diffsecs >= 3600.0) {
570 * trim_at is more than an hour in the past,
571 * so find the next valid trim_at time, and
572 * tell the user what that will be.
574 if (verbose && dbg_at_times)
575 printf("\n\t--> prev trim at %s\t",
576 ptimeget_ctime(ent->trim_at));
578 ptimeset_nxtime(ent->trim_at);
579 printf("--> will trim at %s",
580 ptimeget_ctime(ent->trim_at));
582 return (free_or_keep);
583 } else if (verbose && noaction && dbg_at_times) {
585 * If we are just debugging at-times, then
586 * a detailed message is helpful. Also
587 * skip "doing" any commands, since they
588 * would all be turned off by no-action.
590 printf("\n\t--> timematch at %s",
591 ptimeget_ctime(ent->trim_at));
592 return (free_or_keep);
593 } else if (verbose && ent->hours <= 0) {
594 printf("--> time is up\n");
597 if (verbose && (ent->trsize > 0))
598 printf("size (Kb): %d [%d] ", ent->fsize, ent->trsize);
599 if (verbose && (ent->hours > 0))
600 printf(" age (hr): %d [%d] ", modtime, ent->hours);
603 * Figure out if this logfile needs to be rotated.
605 temp_reason[0] = '\0';
608 snprintf(temp_reason, REASON_MAX, " due to -R from %s",
612 snprintf(temp_reason, REASON_MAX, " due to -F request");
613 } else if (oversized) {
615 snprintf(temp_reason, REASON_MAX, " due to size>%dK",
617 } else if (ent->hours <= 0 && (ent->flags & CE_TRIMAT)) {
619 } else if ((ent->hours > 0) && ((modtime >= ent->hours) ||
625 * If the file needs to be rotated, then rotate it.
627 if (ent->rotate && !norotate) {
628 if (temp_reason[0] != '\0')
629 ent->r_reason = strdup(temp_reason);
631 printf("--> trimming log....\n");
632 if (noaction && !verbose)
633 printf("%s <%d%s>: trimming\n", ent->log,
635 compress_type[ent->compress].flag);
636 free_or_keep = do_rotate(ent);
639 printf("--> skipping\n");
642 return (free_or_keep);
647 parse_args(int argc, char **argv)
652 timenow = ptime_init(NULL);
653 ptimeset_time(timenow, time(NULL));
654 strlcpy(daytime, ptimeget_ctime(timenow) + 4, DAYTIME_LEN);
655 ptimeget_ctime_rfc5424(timenow, daytime_rfc5424, DAYTIME_RFC5424_LEN);
657 /* Let's get our hostname */
658 (void)gethostname(hostname, sizeof(hostname));
660 /* Truncate domain */
661 if ((p = strchr(hostname, '.')) != NULL)
664 /* Parse command line options. */
665 while ((ch = getopt(argc, argv, "a:d:f:nrst:vCD:FNPR:S:")) != -1)
669 archdirname = optarg;
687 if (optarg[0] == '\0' ||
688 strcmp(optarg, "DEFAULT") == 0)
689 timefnamefmt = strdup(DEFAULT_TIMEFNAME_FMT);
691 timefnamefmt = strdup(optarg);
697 /* Useful for things like rc.diskless... */
702 * Set some debugging option. The specific option
703 * depends on the value of optarg. These options
704 * may come and go without notice or documentation.
706 if (parse_doption(optarg))
721 requestor = strdup(optarg);
724 path_syslogpid = optarg;
726 case 'm': /* Used by OpenBSD for "monitor mode" */
732 if (force && norotate) {
733 warnx("Only one of -F and -N may be specified.");
739 if (optind == argc) {
740 warnx("At least one filename must be given when -R is specified.");
744 /* Make sure "requestor" value is safe for a syslog message. */
745 for (p = requestor; *p != '\0'; p++) {
746 if (!isprintch(*p) && (*p != '\t'))
753 * Note that the 'daytime' variable is not changed.
754 * That is only used in messages that track when a
755 * logfile is rotated, and if a file *is* rotated,
756 * then it will still rotated at the "real now" time.
759 timenow = dbg_timenow;
760 fprintf(stderr, "Debug: Running as if TimeNow is %s",
761 ptimeget_ctime(dbg_timenow));
767 * These debugging options are mainly meant for developer use, such
768 * as writing regression-tests. They would not be needed by users
769 * during normal operation of newsyslog...
772 parse_doption(const char *doption)
774 const char TN[] = "TN=";
777 if (strncmp(doption, TN, sizeof(TN) - 1) == 0) {
779 * The "TimeNow" debugging option. This might be off
780 * by an hour when crossing a timezone change.
782 dbg_timenow = ptime_init(NULL);
783 res = ptime_relparse(dbg_timenow, PTM_PARSE_ISO8601,
784 time(NULL), doption + sizeof(TN) - 1);
786 warnx("Non-existent time specified on -D %s", doption);
787 return (0); /* failure */
788 } else if (res < 0) {
789 warnx("Malformed time given on -D %s", doption);
790 return (0); /* failure */
792 return (1); /* successfully parsed */
796 if (strcmp(doption, "ats") == 0) {
798 return (1); /* successfully parsed */
801 /* XXX - This check could probably be dropped. */
802 if ((strcmp(doption, "neworder") == 0) || (strcmp(doption, "oldorder")
804 warnx("NOTE: newsyslog always uses 'neworder'.");
805 return (1); /* successfully parsed */
808 warnx("Unknown -D (debug) option: '%s'", doption);
809 return (0); /* failure */
817 "usage: newsyslog [-CFNPnrsv] [-a directory] [-d directory] [-f config_file]\n"
818 " [-S pidfile] [-t timefmt] [[-R tagname] file ...]\n");
823 * Parse a configuration file and return a linked list of all the logs
824 * which should be processed.
826 static struct cflist *
827 get_worklist(char **files)
831 struct cflist *cmdlist, *filelist, *globlist;
832 struct conf_entry *defconf, *dupent, *ent;
833 struct ilist inclist;
834 struct include_entry *inc;
838 STAILQ_INIT(&inclist);
840 filelist = malloc(sizeof(struct cflist));
841 if (filelist == NULL)
842 err(1, "malloc of filelist");
843 STAILQ_INIT(filelist);
844 globlist = malloc(sizeof(struct cflist));
845 if (globlist == NULL)
846 err(1, "malloc of globlist");
847 STAILQ_INIT(globlist);
849 inc = malloc(sizeof(struct include_entry));
851 err(1, "malloc of inc");
853 if (inc->file == NULL)
854 inc->file = _PATH_CONF;
855 STAILQ_INSERT_TAIL(&inclist, inc, inc_nextp);
857 STAILQ_FOREACH(inc, &inclist, inc_nextp) {
858 if (strcmp(inc->file, "-") != 0)
859 f = fopen(inc->file, "r");
862 inc->file = "<stdin>";
865 err(1, "%s", inc->file);
868 printf("Processing %s\n", inc->file);
869 parse_file(f, filelist, globlist, defconf, &inclist);
874 * All config-file information has been read in and turned into
875 * a filelist and a globlist. If there were no specific files
876 * given on the run command, then the only thing left to do is to
877 * call a routine which finds all files matched by the globlist
878 * and adds them to the filelist. Then return the worklist.
880 if (*files == NULL) {
881 expand_globs(filelist, globlist);
882 free_clist(globlist);
890 * If newsyslog was given a specific list of files to process,
891 * it may be that some of those files were not listed in any
892 * config file. Those unlisted files should get the default
893 * rotation action. First, create the default-rotation action
894 * if none was found in a system config file.
896 if (defconf == NULL) {
897 defconf = init_entry(DEFAULT_MARKER, NULL);
898 defconf->numlogs = 3;
899 defconf->trsize = 50;
900 defconf->permissions = S_IRUSR|S_IWUSR;
904 * If newsyslog was run with a list of specific filenames,
905 * then create a new worklist which has only those files in
906 * it, picking up the rotation-rules for those files from
907 * the original filelist.
909 * XXX - Note that this will copy multiple rules for a single
910 * logfile, if multiple entries are an exact match for
911 * that file. That matches the historic behavior, but do
912 * we want to continue to allow it? If so, it should
913 * probably be handled more intelligently.
915 cmdlist = malloc(sizeof(struct cflist));
917 err(1, "malloc of cmdlist");
918 STAILQ_INIT(cmdlist);
920 for (given = files; *given; ++given) {
922 * First try to find exact-matches for this given file.
925 STAILQ_FOREACH(ent, filelist, cf_nextp) {
926 if (strcmp(ent->log, *given) == 0) {
928 dupent = init_entry(*given, ent);
929 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
934 printf("\t+ Matched entry %s\n", *given);
939 * There was no exact-match for this given file, so look
940 * for a "glob" entry which does match.
943 if (verbose > 2 && globlist != NULL)
944 printf("\t+ Checking globs for %s\n", *given);
945 STAILQ_FOREACH(ent, globlist, cf_nextp) {
946 fnres = fnmatch(ent->log, *given, FNM_PATHNAME);
948 printf("\t+ = %d for pattern %s\n", fnres,
952 dupent = init_entry(*given, ent);
953 /* This new entry is not a glob! */
954 dupent->flags &= ~CE_GLOB;
955 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
956 /* Only allow a match to one glob-entry */
962 printf("\t+ Matched %s via %s\n", *given,
968 * This given file was not found in any config file, so
969 * add a worklist item based on the default entry.
972 printf("\t+ No entry matched %s (will use %s)\n",
973 *given, DEFAULT_MARKER);
974 dupent = init_entry(*given, defconf);
975 /* Mark that it was *not* found in a config file */
977 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
981 * Free all the entries in the original work list, the list of
982 * glob entries, and the default entry.
984 free_clist(filelist);
985 free_clist(globlist);
988 /* And finally, return a worklist which matches the given files. */
993 * Expand the list of entries with filename patterns, and add all files
994 * which match those glob-entries onto the worklist.
997 expand_globs(struct cflist *work_p, struct cflist *glob_p)
1002 struct conf_entry *dupent, *ent, *globent;
1007 * The worklist contains all fully-specified (non-GLOB) names.
1009 * Now expand the list of filename-pattern (GLOB) entries into
1010 * a second list, which (by definition) will only match files
1011 * that already exist. Do not add a glob-related entry for any
1012 * file which already exists in the fully-specified list.
1014 STAILQ_FOREACH(globent, glob_p, cf_nextp) {
1015 gres = glob(globent->log, GLOB_NOCHECK, NULL, &pglob);
1017 warn("cannot expand pattern (%d): %s", gres,
1023 printf("\t+ Expanding pattern %s\n", globent->log);
1024 for (i = 0; i < pglob.gl_matchc; i++) {
1025 mfname = pglob.gl_pathv[i];
1027 /* See if this file already has a specific entry. */
1029 STAILQ_FOREACH(ent, work_p, cf_nextp) {
1030 if (strcmp(mfname, ent->log) == 0) {
1038 /* Make sure the named matched is a file. */
1039 gres = lstat(mfname, &st_fm);
1041 /* Error on a file that glob() matched?!? */
1042 warn("Skipping %s - lstat() error", mfname);
1045 if (!S_ISREG(st_fm.st_mode)) {
1046 /* We only rotate files! */
1048 printf("\t+ . skipping %s (!file)\n",
1054 printf("\t+ . add file %s\n", mfname);
1055 dupent = init_entry(mfname, globent);
1056 /* This new entry is not a glob! */
1057 dupent->flags &= ~CE_GLOB;
1059 /* Add to the worklist. */
1060 STAILQ_INSERT_TAIL(work_p, dupent, cf_nextp);
1064 printf("\t+ Done with pattern %s\n", globent->log);
1069 * Parse a configuration file and update a linked list of all the logs to
1073 parse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p,
1074 struct conf_entry *defconf_p, struct ilist *inclist)
1076 char line[BUFSIZ], *parse, *q;
1077 char *cp, *errline, *group;
1078 struct conf_entry *working;
1082 int eol, ptm_opts, res, special;
1086 while (fgets(line, BUFSIZ, cf)) {
1087 if ((line[0] == '\n') || (line[0] == '#') ||
1088 (strlen(line) == 0))
1090 if (errline != NULL)
1092 errline = strdup(line);
1093 for (cp = line + 1; *cp != '\0'; cp++) {
1096 if (*(cp - 1) == '\\') {
1105 q = parse = missing_field(sob(line), errline);
1108 errx(1, "malformed line (missing fields):\n%s",
1113 * Allow people to set debug options via the config file.
1114 * (NOTE: debug options are undocumented, and may disappear
1115 * at any time, etc).
1117 if (strcasecmp(DEBUG_MARKER, q) == 0) {
1118 q = parse = missing_field(sob(parse + 1), errline);
1121 warnx("debug line specifies no option:\n%s",
1128 } else if (strcasecmp(INCLUDE_MARKER, q) == 0) {
1130 printf("Found: %s", errline);
1131 q = parse = missing_field(sob(parse + 1), errline);
1134 warnx("include line missing argument:\n%s",
1142 res = glob(q, GLOB_NOCHECK, NULL, &pglob);
1144 warn("cannot expand pattern (%d): %s",
1150 printf("\t+ Expanding pattern %s\n", q);
1152 for (i = 0; i < pglob.gl_matchc; i++)
1153 add_to_queue(pglob.gl_pathv[i],
1157 add_to_queue(q, inclist);
1162 working = init_entry(q, NULL);
1163 if (strcasecmp(DEFAULT_MARKER, q) == 0) {
1165 if (defconf_p != NULL) {
1166 warnx("Ignoring duplicate entry for %s!", q);
1167 free_entry(working);
1170 defconf_p = working;
1173 q = parse = missing_field(sob(parse + 1), errline);
1176 errx(1, "malformed line (missing fields):\n%s",
1179 if ((group = strchr(q, ':')) != NULL ||
1180 (group = strrchr(q, '.')) != NULL) {
1183 if (!(isnumberstr(q))) {
1184 if ((pwd = getpwnam(q)) == NULL)
1186 "error in config file; unknown user:\n%s",
1188 working->uid = pwd->pw_uid;
1190 working->uid = atoi(q);
1192 working->uid = (uid_t)-1;
1196 if (!(isnumberstr(q))) {
1197 if ((grp = getgrnam(q)) == NULL)
1199 "error in config file; unknown group:\n%s",
1201 working->gid = grp->gr_gid;
1203 working->gid = atoi(q);
1205 working->gid = (gid_t)-1;
1207 q = parse = missing_field(sob(parse + 1), errline);
1210 errx(1, "malformed line (missing fields):\n%s",
1214 working->uid = (uid_t)-1;
1215 working->gid = (gid_t)-1;
1218 if (!sscanf(q, "%o", &working->permissions))
1219 errx(1, "error in config file; bad permissions:\n%s",
1222 q = parse = missing_field(sob(parse + 1), errline);
1225 errx(1, "malformed line (missing fields):\n%s",
1228 if (!sscanf(q, "%d", &working->numlogs) || working->numlogs < 0)
1229 errx(1, "error in config file; bad value for count of logs to save:\n%s",
1232 q = parse = missing_field(sob(parse + 1), errline);
1235 errx(1, "malformed line (missing fields):\n%s",
1239 working->trsize = atoi(q);
1240 else if (strcmp(q, "*") == 0)
1241 working->trsize = -1;
1243 warnx("Invalid value of '%s' for 'size' in line:\n%s",
1245 working->trsize = -1;
1249 working->compress = COMPRESS_NONE;
1250 q = parse = missing_field(sob(parse + 1), errline);
1258 ul = strtoul(q, &ep, 10);
1261 else if (*ep == '*')
1262 working->hours = -1;
1263 else if (ul > INT_MAX)
1264 errx(1, "interval is too large:\n%s", errline);
1266 working->hours = ul;
1268 if (*ep == '\0' || strcmp(ep, "*") == 0)
1270 if (*ep != '@' && *ep != '$')
1271 errx(1, "malformed interval/at:\n%s", errline);
1273 working->flags |= CE_TRIMAT;
1274 working->trim_at = ptime_init(NULL);
1275 ptm_opts = PTM_PARSE_ISO8601;
1277 ptm_opts = PTM_PARSE_DWM;
1278 ptm_opts |= PTM_PARSE_MATCHDOM;
1279 res = ptime_relparse(working->trim_at, ptm_opts,
1280 ptimeget_secs(timenow), ep + 1);
1282 errx(1, "nonexistent time for 'at' value:\n%s",
1285 errx(1, "malformed 'at' value:\n%s", errline);
1292 q = parse = sob(parse + 1); /* Optional field */
1299 for (; q && *q && !isspacech(*q); q++) {
1300 switch (tolowerch(*q)) {
1302 working->flags |= CE_BINARY;
1305 working->flags |= CE_CREATE;
1308 working->flags |= CE_NODUMP;
1311 working->flags |= CE_GLOB;
1314 working->compress = COMPRESS_BZIP2;
1317 working->flags |= CE_NOSIGNAL;
1320 working->flags |= CE_PID2CMD;
1323 working->flags |= CE_RFC5424;
1326 working->flags |= CE_SIGNALGROUP;
1329 /* Deprecated flag - keep for compatibility purposes */
1332 working->compress = COMPRESS_XZ;
1335 working->compress = COMPRESS_ZSTD;
1338 working->compress = COMPRESS_GZIP;
1342 case 'f': /* Used by OpenBSD for "CE_FOLLOW" */
1343 case 'm': /* Used by OpenBSD for "CE_MONITOR" */
1344 case 'p': /* Used by NetBSD for "CE_PLAIN0" */
1346 errx(1, "illegal flag in config file -- %c",
1354 q = parse = sob(parse + 1); /* Optional field */
1361 working->pid_cmd_file = NULL;
1364 working->pid_cmd_file = strdup(q);
1365 else if (isalnum(*q))
1369 "illegal pid file or signal in config file:\n%s",
1376 q = parse = sob(parse + 1); /* Optional field */
1377 *(parse = son(parse)) = '\0';
1380 working->sig = SIGHUP;
1383 working->sig = parse_signal(q);
1384 if (working->sig < 1 || working->sig >= sys_nsig) {
1386 "illegal signal in config file:\n%s",
1392 * Finish figuring out what pid-file to use (if any) in
1393 * later processing if this logfile needs to be rotated.
1395 if ((working->flags & CE_NOSIGNAL) == CE_NOSIGNAL) {
1397 * This config-entry specified 'n' for nosignal,
1398 * see if it also specified an explicit pid_cmd_file.
1399 * This would be a pretty pointless combination.
1401 if (working->pid_cmd_file != NULL) {
1402 warnx("Ignoring '%s' because flag 'n' was specified in line:\n%s",
1403 working->pid_cmd_file, errline);
1404 free(working->pid_cmd_file);
1405 working->pid_cmd_file = NULL;
1407 } else if (working->pid_cmd_file == NULL) {
1409 * This entry did not specify the 'n' flag, which
1410 * means it should signal syslogd unless it had
1411 * specified some other pid-file (and obviously the
1412 * syslog pid-file will not be for a process-group).
1413 * Also, we should only try to notify syslog if we
1416 if (working->flags & CE_SIGNALGROUP) {
1417 warnx("Ignoring flag 'U' in line:\n%s",
1419 working->flags &= ~CE_SIGNALGROUP;
1422 working->pid_cmd_file = strdup(path_syslogpid);
1426 * Add this entry to the appropriate list of entries, unless
1427 * it was some kind of special entry (eg: <default>).
1430 ; /* Do not add to any list */
1431 } else if (working->flags & CE_GLOB) {
1432 STAILQ_INSERT_TAIL(glob_p, working, cf_nextp);
1434 STAILQ_INSERT_TAIL(work_p, working, cf_nextp);
1437 if (errline != NULL)
1442 missing_field(char *p, char *errline)
1446 errx(1, "missing field in config file:\n%s", errline);
1451 * In our sort we return it in the reverse of what qsort normally
1452 * would do, as we want the newest files first. If we have two
1453 * entries with the same time we don't really care about order.
1455 * Support function for qsort() in delete_oldest_timelog().
1458 oldlog_entry_compare(const void *a, const void *b)
1460 const struct oldlog_entry *ola = a, *olb = b;
1462 if (ola->t > olb->t)
1464 else if (ola->t < olb->t)
1471 * Check whether the file corresponding to dp is an archive of the logfile
1472 * logfname, based on the timefnamefmt format string. Return true and fill out
1473 * tm if this is the case; otherwise return false.
1476 validate_old_timelog(int fd, const struct dirent *dp, const char *logfname,
1480 size_t logfname_len;
1484 logfname_len = strlen(logfname);
1486 if (dp->d_type != DT_REG) {
1488 * Some filesystems (e.g. NFS) don't fill out the d_type field
1489 * and leave it set to DT_UNKNOWN; in this case we must obtain
1490 * the file type ourselves.
1492 if (dp->d_type != DT_UNKNOWN ||
1493 fstatat(fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) != 0 ||
1494 !S_ISREG(sb.st_mode))
1497 /* Ignore everything but files with our logfile prefix. */
1498 if (strncmp(dp->d_name, logfname, logfname_len) != 0)
1500 /* Ignore the actual non-rotated logfile. */
1501 if (dp->d_namlen == logfname_len)
1505 * Make sure we created have found a logfile, so the
1506 * postfix is valid, IE format is: '.<time>(.[bgx]z)?'.
1508 if (dp->d_name[logfname_len] != '.') {
1510 printf("Ignoring %s which has unexpected "
1511 "extension '%s'\n", dp->d_name,
1512 &dp->d_name[logfname_len]);
1515 memset(tm, 0, sizeof(*tm));
1516 if ((s = strptime(&dp->d_name[logfname_len + 1],
1517 timefnamefmt, tm)) == NULL) {
1519 * We could special case "old" sequentially named logfiles here,
1520 * but we do not as that would require special handling to
1521 * decide which one was the oldest compared to "new" time based
1525 printf("Ignoring %s which does not "
1526 "match time format\n", dp->d_name);
1530 for (c = 0; c < COMPRESS_TYPES; c++)
1531 if (strcmp(s, compress_type[c].suffix) == 0)
1536 printf("Ignoring %s which has unexpected extension '%s'\n",
1543 * Delete the oldest logfiles, when using time based filenames.
1546 delete_oldest_timelog(const struct conf_entry *ent, const char *archive_dir)
1548 char *basebuf, *dirbuf, errbuf[80];
1549 const char *base, *dir;
1550 int dir_fd, i, logcnt, max_logcnt;
1551 struct oldlog_entry *oldlogs;
1556 oldlogs = malloc(MAX_OLDLOGS * sizeof(struct oldlog_entry));
1557 max_logcnt = MAX_OLDLOGS;
1560 if (archive_dir != NULL && archive_dir[0] != '\0') {
1564 if ((dirbuf = strdup(ent->log)) == NULL)
1566 dir = dirname(dirbuf);
1569 if ((basebuf = strdup(ent->log)) == NULL)
1571 base = basename(basebuf);
1572 if (strcmp(base, "/") == 0)
1573 errx(1, "Invalid log filename - became '/'");
1576 printf("Searching for old logs in %s\n", dir);
1578 /* First we create a 'list' of all archived logfiles */
1579 if ((dirp = opendir(dir)) == NULL)
1580 err(1, "Cannot open log directory '%s'", dir);
1581 dir_fd = dirfd(dirp);
1582 while ((dp = readdir(dirp)) != NULL) {
1583 if (validate_old_timelog(dir_fd, dp, base, &tm) == 0)
1587 * We should now have old an old rotated logfile, so
1588 * add it to the 'list'.
1590 if ((oldlogs[logcnt].t = timegm(&tm)) == -1)
1591 err(1, "Could not convert time string to time value");
1592 if ((oldlogs[logcnt].fname = strdup(dp->d_name)) == NULL)
1597 * It is very unlikely we ever run out of space in the
1598 * logfile array from the default size, but lets
1599 * handle it anyway...
1601 if (logcnt >= max_logcnt) {
1603 /* Detect integer overflow */
1604 if (max_logcnt < logcnt)
1605 errx(1, "Too many old logfiles found");
1606 oldlogs = realloc(oldlogs,
1607 max_logcnt * sizeof(struct oldlog_entry));
1608 if (oldlogs == NULL)
1609 err(1, "realloc()");
1613 /* Second, if needed we delete oldest archived logfiles */
1614 if (logcnt > 0 && logcnt >= ent->numlogs && ent->numlogs > 1) {
1615 oldlogs = realloc(oldlogs, logcnt *
1616 sizeof(struct oldlog_entry));
1617 if (oldlogs == NULL)
1618 err(1, "realloc()");
1621 * We now sort the logs in the order of newest to
1622 * oldest. That way we can simply skip over the
1623 * number of records we want to keep.
1625 qsort(oldlogs, logcnt, sizeof(struct oldlog_entry),
1626 oldlog_entry_compare);
1627 for (i = ent->numlogs - 1; i < logcnt; i++) {
1629 printf("\trm -f %s/%s\n", dir,
1631 else if (unlinkat(dir_fd, oldlogs[i].fname, 0) != 0) {
1632 snprintf(errbuf, sizeof(errbuf),
1633 "Could not delete old logfile '%s'",
1638 } else if (verbose > 1)
1639 printf("No old logs to delete for logfile %s\n", ent->log);
1641 /* Third, cleanup */
1643 for (i = 0; i < logcnt; i++) {
1644 assert(oldlogs[i].fname != NULL);
1645 free(oldlogs[i].fname);
1653 * Generate a log filename, when using classic filenames.
1656 gen_classiclog_fname(char *fname, size_t fname_sz, const char *archive_dir,
1657 const char *namepart, int numlogs_c)
1660 if (archive_dir[0] != '\0')
1661 (void) snprintf(fname, fname_sz, "%s/%s.%d", archive_dir,
1662 namepart, numlogs_c);
1664 (void) snprintf(fname, fname_sz, "%s.%d", namepart, numlogs_c);
1668 * Delete a rotated logfile, when using classic filenames.
1671 delete_classiclog(const char *archive_dir, const char *namepart, int numlog_c)
1673 char file1[MAXPATHLEN], zfile1[MAXPATHLEN];
1676 gen_classiclog_fname(file1, sizeof(file1), archive_dir, namepart,
1679 for (c = 0; c < COMPRESS_TYPES; c++) {
1680 (void) snprintf(zfile1, sizeof(zfile1), "%s%s", file1,
1681 compress_type[c].suffix);
1683 printf("\trm -f %s\n", zfile1);
1685 (void) unlink(zfile1);
1690 * Only add to the queue if the file hasn't already been added. This is
1691 * done to prevent circular include loops.
1694 add_to_queue(const char *fname, struct ilist *inclist)
1696 struct include_entry *inc;
1698 STAILQ_FOREACH(inc, inclist, inc_nextp) {
1699 if (strcmp(fname, inc->file) == 0) {
1700 warnx("duplicate include detected: %s", fname);
1705 inc = malloc(sizeof(struct include_entry));
1707 err(1, "malloc of inc");
1708 inc->file = strdup(fname);
1711 printf("\t+ Adding %s to the processing queue.\n", fname);
1713 STAILQ_INSERT_TAIL(inclist, inc, inc_nextp);
1717 * Search for logfile and return its compression suffix (if supported)
1718 * The suffix detection is first-match in the order of compress_types
1720 * Note: if logfile without suffix exists (uncompressed, COMPRESS_NONE)
1721 * a zero-length string is returned
1724 get_logfile_suffix(const char *logfile)
1727 char zfile[MAXPATHLEN];
1730 for (c = 0; c < COMPRESS_TYPES; c++) {
1731 (void) strlcpy(zfile, logfile, MAXPATHLEN);
1732 (void) strlcat(zfile, compress_type[c].suffix, MAXPATHLEN);
1733 if (lstat(zfile, &st) == 0)
1734 return (compress_type[c].suffix);
1740 do_rotate(const struct conf_entry *ent)
1742 char dirpart[MAXPATHLEN], namepart[MAXPATHLEN];
1743 char file1[MAXPATHLEN], file2[MAXPATHLEN];
1744 char zfile1[MAXPATHLEN], zfile2[MAXPATHLEN];
1745 const char *logfile_suffix;
1746 char datetimestr[30];
1747 int flags, numlogs_c;
1748 fk_entry free_or_keep;
1749 struct sigwork_entry *swork;
1755 free_or_keep = FREE_ENT;
1760 /* build complete name of archive directory into dirpart */
1761 if (*archdirname == '/') { /* absolute */
1762 strlcpy(dirpart, archdirname, sizeof(dirpart));
1763 } else { /* relative */
1764 /* get directory part of logfile */
1765 strlcpy(dirpart, ent->log, sizeof(dirpart));
1766 if ((p = strrchr(dirpart, '/')) == NULL)
1770 strlcat(dirpart, archdirname, sizeof(dirpart));
1773 /* check if archive directory exists, if not, create it */
1774 if (lstat(dirpart, &st))
1775 createdir(ent, dirpart);
1777 /* get filename part of logfile */
1778 if ((p = strrchr(ent->log, '/')) == NULL)
1779 strlcpy(namepart, ent->log, sizeof(namepart));
1781 strlcpy(namepart, p + 1, sizeof(namepart));
1784 * Tell utility functions we are not using an archive
1788 strlcpy(namepart, ent->log, sizeof(namepart));
1791 /* Delete old logs */
1792 if (timefnamefmt != NULL)
1793 delete_oldest_timelog(ent, dirpart);
1796 * Handle cleaning up after legacy newsyslog where we
1797 * kept ent->numlogs + 1 files. This code can go away
1798 * at some point in the future.
1800 delete_classiclog(dirpart, namepart, ent->numlogs);
1802 if (ent->numlogs > 0)
1803 delete_classiclog(dirpart, namepart, ent->numlogs - 1);
1807 if (timefnamefmt != NULL) {
1808 /* If time functions fails we can't really do any sensible */
1809 if (time(&now) == (time_t)-1 ||
1810 localtime_r(&now, &tm) == NULL)
1811 bzero(&tm, sizeof(tm));
1813 strftime(datetimestr, sizeof(datetimestr), timefnamefmt, &tm);
1815 (void) snprintf(file1, sizeof(file1), "%s/%s.%s",
1816 dirpart, namepart, datetimestr);
1818 (void) snprintf(file1, sizeof(file1), "%s.%s",
1819 ent->log, datetimestr);
1821 /* Don't run the code to move down logs */
1824 gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart,
1826 numlogs_c = ent->numlogs - 2; /* copy for countdown */
1829 /* Move down log files */
1830 for (; numlogs_c >= 0; numlogs_c--) {
1831 (void) strlcpy(file2, file1, sizeof(file2));
1833 gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart,
1836 logfile_suffix = get_logfile_suffix(file1);
1837 if (logfile_suffix == NULL)
1839 (void) strlcpy(zfile1, file1, MAXPATHLEN);
1840 (void) strlcpy(zfile2, file2, MAXPATHLEN);
1841 (void) strlcat(zfile1, logfile_suffix, MAXPATHLEN);
1842 (void) strlcat(zfile2, logfile_suffix, MAXPATHLEN);
1845 printf("\tmv %s %s\n", zfile1, zfile2);
1847 /* XXX - Ought to be checking for failure! */
1848 (void)rename(zfile1, zfile2);
1850 change_attrs(zfile2, ent);
1853 if (ent->numlogs > 0) {
1856 * Note that savelog() may succeed with using link()
1857 * for the archtodir case, but there is no good way
1858 * of knowing if it will when doing "noaction", so
1859 * here we claim that it will have to do a copy...
1862 printf("\tcp %s %s\n", ent->log, file1);
1864 printf("\tln %s %s\n", ent->log, file1);
1865 printf("\ttouch %s\t\t"
1866 "# Update mtime for 'when'-interval processing\n",
1869 if (!(flags & CE_BINARY)) {
1870 /* Report the trimming to the old log */
1871 log_trim(ent->log, ent);
1873 savelog(ent->log, file1);
1875 * Interval-based rotations are done using the mtime of
1876 * the most recently archived log, so make sure it gets
1877 * updated during a rotation.
1879 utimes(file1, NULL);
1881 change_attrs(file1, ent);
1884 /* Create the new log file and move it into place */
1886 printf("Start new log...\n");
1890 * Save all signalling and file-compression to be done after log
1891 * files from all entries have been rotated. This way any one
1892 * process will not be sent the same signal multiple times when
1893 * multiple log files had to be rotated.
1896 if (ent->pid_cmd_file != NULL)
1897 swork = save_sigwork(ent);
1898 if (ent->numlogs > 0 && ent->compress > COMPRESS_NONE) {
1900 * The zipwork_entry will include a pointer to this
1901 * conf_entry, so the conf_entry should not be freed.
1903 free_or_keep = KEEP_ENT;
1904 save_zipwork(ent, swork, ent->fsize, file1);
1907 return (free_or_keep);
1911 do_sigwork(struct sigwork_entry *swork)
1913 struct sigwork_entry *nextsig;
1917 if (swork->sw_runcmd == 0 && (!(swork->sw_pidok) || swork->sw_pid == 0))
1918 return; /* no work to do... */
1921 * If nosignal (-s) was specified, then do not signal any process.
1922 * Note that a nosignal request triggers a warning message if the
1923 * rotated logfile needs to be compressed, *unless* -R was also
1924 * specified. We assume that an `-sR' request came from a process
1925 * which writes to the logfile, and as such, we assume that process
1926 * has already made sure the logfile is not presently in use. This
1927 * just sets swork->sw_pidok to a special value, and do_zipwork
1928 * will print any necessary warning(s).
1932 swork->sw_pidok = -1;
1937 * Compute the pause between consecutive signals. Use a longer
1938 * sleep time if we will be sending two signals to the same
1939 * daemon or process-group.
1942 nextsig = SLIST_NEXT(swork, sw_nextp);
1943 if (nextsig != NULL) {
1944 if (swork->sw_pid == nextsig->sw_pid)
1951 if (swork->sw_runcmd)
1952 printf("\tsh -c '%s %d'\n", swork->sw_fname,
1955 printf("\tkill -%d %d \t\t# %s\n", swork->sw_signum,
1956 (int)swork->sw_pid, swork->sw_fname);
1958 printf("\tsleep %d\n", secs);
1963 if (swork->sw_runcmd) {
1964 asprintf(&tmp, "%s %d", swork->sw_fname, swork->sw_signum);
1966 warn("can't allocate memory to run %s",
1971 printf("Run command: %s\n", tmp);
1974 warnx("%s: returned non-zero exit code: %d",
1981 kres = kill(swork->sw_pid, swork->sw_signum);
1984 * Assume that "no such process" (ESRCH) is something
1985 * to warn about, but is not an error. Presumably the
1986 * process which writes to the rotated log file(s) is
1987 * gone, in which case we should have no problem with
1988 * compressing the rotated log file(s).
1991 swork->sw_pidok = 0;
1992 warn("can't notify %s, pid %d = %s", swork->sw_pidtype,
1993 (int)swork->sw_pid, swork->sw_fname);
1996 printf("Notified %s pid %d = %s\n", swork->sw_pidtype,
1997 (int)swork->sw_pid, swork->sw_fname);
2000 printf("Pause %d second(s) between signals\n",
2008 do_zipwork(struct zipwork_entry *zwork)
2010 const char *pgm_name, *pgm_path;
2011 int errsav, fcount, zstatus;
2013 char zresult[MAXPATHLEN];
2014 char command[BUFSIZ];
2018 assert(zwork != NULL);
2020 strlcpy(zresult, zwork->zw_fname, sizeof(zresult));
2021 args = calloc(ARGS_NUM, sizeof(*args));
2024 if (zwork->zw_conf != NULL &&
2025 zwork->zw_conf->compress > COMPRESS_NONE)
2026 for (c = 1; c < COMPRESS_TYPES; c++) {
2027 if (zwork->zw_conf->compress == c) {
2028 pgm_path = compress_type[c].path;
2029 (void) strlcat(zresult,
2030 compress_type[c].suffix, sizeof(zresult));
2031 /* the first argument is always NULL, skip it */
2032 for (c = 1; c < ARGS_NUM; c++) {
2033 if (compress_type[c].args[c] == NULL)
2035 args[c] = compress_type[c].args[c];
2040 if (pgm_path == NULL) {
2041 warnx("invalid entry for %s in do_zipwork", zwork->zw_fname);
2044 pgm_name = strrchr(pgm_path, '/');
2045 if (pgm_name == NULL)
2046 pgm_name = pgm_path;
2050 args[0] = strdup(pgm_name);
2051 if (args[0] == NULL)
2053 for (c = 0; args[c] != NULL; c++)
2055 args[c] = zwork->zw_fname;
2057 if (zwork->zw_swork != NULL && zwork->zw_swork->sw_runcmd == 0 &&
2058 zwork->zw_swork->sw_pidok <= 0) {
2060 "log %s not compressed because daemon(s) not notified",
2062 change_attrs(zwork->zw_fname, zwork->zw_conf);
2066 strlcpy(command, pgm_path, sizeof(command));
2067 for (c = 1; args[c] != NULL; c++) {
2068 strlcat(command, " ", sizeof(command));
2069 strlcat(command, args[c], sizeof(command));
2072 printf("\t%s %s\n", pgm_name, zwork->zw_fname);
2073 change_attrs(zresult, zwork->zw_conf);
2078 printf("Executing: %s\n", command);
2082 while (pidzip < 0) {
2084 * The fork failed. If the failure was due to a temporary
2085 * problem, then wait a short time and try it again.
2088 warn("fork() for `%s %s'", pgm_name, zwork->zw_fname);
2089 if (errsav != EAGAIN || fcount > 5)
2090 errx(1, "Exiting...");
2096 /* The child process executes the compression command */
2097 execv(pgm_path, (char *const*) args);
2098 err(1, "execv(`%s')", command);
2101 wpid = waitpid(pidzip, &zstatus, 0);
2103 /* XXX - should this be a fatal error? */
2104 warn("%s: waitpid(%d)", pgm_path, pidzip);
2107 if (!WIFEXITED(zstatus)) {
2108 warnx("`%s' did not terminate normally", command);
2113 if (WEXITSTATUS(zstatus)) {
2114 warnx("`%s' terminated with a non-zero status (%d)", command,
2115 WEXITSTATUS(zstatus));
2123 /* Compression was successful, set file attributes on the result. */
2124 change_attrs(zresult, zwork->zw_conf);
2128 * Save information on any process we need to signal. Any single
2129 * process may need to be sent different signal-values for different
2130 * log files, but usually a single signal-value will cause the process
2131 * to close and re-open all of its log files.
2133 static struct sigwork_entry *
2134 save_sigwork(const struct conf_entry *ent)
2136 struct sigwork_entry *sprev, *stmp;
2142 SLIST_FOREACH(stmp, &swhead, sw_nextp) {
2143 ndiff = strcmp(ent->pid_cmd_file, stmp->sw_fname);
2147 if (ent->sig == stmp->sw_signum)
2149 if (ent->sig > stmp->sw_signum) {
2156 if (stmp != NULL && ndiff == 0)
2159 tmpsiz = sizeof(struct sigwork_entry) + strlen(ent->pid_cmd_file) + 1;
2160 stmp = malloc(tmpsiz);
2162 stmp->sw_runcmd = 0;
2163 /* If this is a command to run we just set the flag and run command */
2164 if (ent->flags & CE_PID2CMD) {
2167 stmp->sw_runcmd = 1;
2169 set_swpid(stmp, ent);
2171 stmp->sw_signum = ent->sig;
2172 strcpy(stmp->sw_fname, ent->pid_cmd_file);
2174 SLIST_INSERT_HEAD(&swhead, stmp, sw_nextp);
2176 SLIST_INSERT_AFTER(sprev, stmp, sw_nextp);
2181 * Save information on any file we need to compress. We may see the same
2182 * file multiple times, so check the full list to avoid duplicates. The
2183 * list itself is sorted smallest-to-largest, because that's the order we
2184 * want to compress the files. If the partition is very low on disk space,
2185 * then the smallest files are the most likely to compress, and compressing
2186 * them first will free up more space for the larger files.
2188 static struct zipwork_entry *
2189 save_zipwork(const struct conf_entry *ent, const struct sigwork_entry *swork,
2190 int zsize, const char *zipfname)
2192 struct zipwork_entry *zprev, *ztmp;
2196 /* Compute the size if the caller did not know it. */
2198 zsize = sizefile(zipfname);
2202 SLIST_FOREACH(ztmp, &zwhead, zw_nextp) {
2203 ndiff = strcmp(zipfname, ztmp->zw_fname);
2206 if (zsize > ztmp->zw_fsize)
2209 if (ztmp != NULL && ndiff == 0)
2212 tmpsiz = sizeof(struct zipwork_entry) + strlen(zipfname) + 1;
2213 ztmp = malloc(tmpsiz);
2214 ztmp->zw_conf = ent;
2215 ztmp->zw_swork = swork;
2216 ztmp->zw_fsize = zsize;
2217 strcpy(ztmp->zw_fname, zipfname);
2219 SLIST_INSERT_HEAD(&zwhead, ztmp, zw_nextp);
2221 SLIST_INSERT_AFTER(zprev, ztmp, zw_nextp);
2225 /* Send a signal to the pid specified by pidfile */
2227 set_swpid(struct sigwork_entry *swork, const struct conf_entry *ent)
2230 long minok, maxok, rval;
2231 char *endp, *linep, line[BUFSIZ];
2235 swork->sw_pidok = 0;
2237 swork->sw_pidtype = "daemon";
2238 if (ent->flags & CE_SIGNALGROUP) {
2240 * If we are expected to signal a process-group when
2241 * rotating this logfile, then the value read in should
2242 * be the negative of a valid process ID.
2246 swork->sw_pidtype = "process-group";
2249 f = fopen(ent->pid_cmd_file, "r");
2251 if (errno == ENOENT && enforcepid == 0) {
2253 * Warn if the PID file doesn't exist, but do
2254 * not consider it an error. Most likely it
2255 * means the process has been terminated,
2256 * so it should be safe to rotate any log
2257 * files that the process would have been using.
2259 swork->sw_pidok = 1;
2260 warnx("pid file doesn't exist: %s", ent->pid_cmd_file);
2262 warn("can't open pid file: %s", ent->pid_cmd_file);
2266 if (fgets(line, BUFSIZ, f) == NULL) {
2268 * Warn if the PID file is empty, but do not consider
2269 * it an error. Most likely it means the process has
2270 * has terminated, so it should be safe to rotate any
2271 * log files that the process would have been using.
2273 if (feof(f) && enforcepid == 0) {
2274 swork->sw_pidok = 1;
2275 warnx("pid/cmd file is empty: %s", ent->pid_cmd_file);
2277 warn("can't read from pid file: %s", ent->pid_cmd_file);
2285 while (*linep == ' ')
2287 rval = strtol(linep, &endp, 10);
2288 if (*endp != '\0' && !isspacech(*endp)) {
2289 warnx("pid file does not start with a valid number: %s",
2291 } else if (rval < minok || rval > maxok) {
2292 warnx("bad value '%ld' for process number in %s",
2293 rval, ent->pid_cmd_file);
2295 warnx("\t(expecting value between %ld and %ld)",
2298 swork->sw_pidok = 1;
2299 swork->sw_pid = rval;
2305 /* Log the fact that the logs were turned over */
2307 log_trim(const char *logname, const struct conf_entry *log_ent)
2312 if ((f = fopen(logname, "a")) == NULL)
2315 if (log_ent->def_cfg)
2316 xtra = " using <default> rule";
2317 if (log_ent->flags & CE_RFC5424) {
2318 if (log_ent->firstcreate) {
2319 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n",
2320 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2321 daytime_rfc5424, hostname, getpid(),
2322 "logfile first created", xtra);
2323 } else if (log_ent->r_reason != NULL) {
2324 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s%s\n",
2325 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2326 daytime_rfc5424, hostname, getpid(),
2327 "logfile turned over", log_ent->r_reason, xtra);
2329 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n",
2330 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2331 daytime_rfc5424, hostname, getpid(),
2332 "logfile turned over", xtra);
2335 if (log_ent->firstcreate)
2336 fprintf(f, "%s %s newsyslog[%d]: logfile first created%s\n",
2337 daytime, hostname, getpid(), xtra);
2338 else if (log_ent->r_reason != NULL)
2339 fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s%s\n",
2340 daytime, hostname, getpid(), log_ent->r_reason, xtra);
2342 fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s\n",
2343 daytime, hostname, getpid(), xtra);
2345 if (fclose(f) == EOF)
2346 err(1, "log_trim: fclose");
2350 /* Return size in kilobytes of a file */
2352 sizefile(const char *file)
2356 if (stat(file, &sb) < 0)
2358 return (kbytes(sb.st_size));
2362 * Return the mtime of the most recent archive of the logfile, using timestamp
2366 mtime_old_timelog(const char *file)
2374 char *logfname, *logfnamebuf, *dir, *dirbuf;
2378 if ((dirbuf = strdup(file)) == NULL) {
2379 warn("strdup() of '%s'", file);
2382 dir = dirname(dirbuf);
2383 if ((logfnamebuf = strdup(file)) == NULL) {
2384 warn("strdup() of '%s'", file);
2388 logfname = basename(logfnamebuf);
2389 if (logfname[0] == '/') {
2390 warnx("Invalid log filename '%s'", logfname);
2394 if ((dirp = opendir(dir)) == NULL) {
2395 warn("Cannot open log directory '%s'", dir);
2398 dir_fd = dirfd(dirp);
2399 /* Open the archive dir and find the most recent archive of logfname. */
2400 while ((dp = readdir(dirp)) != NULL) {
2401 if (validate_old_timelog(dir_fd, dp, logfname, &tm) == 0)
2404 if (fstatat(dir_fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
2405 warn("Cannot stat '%s'", file);
2408 if (t < sb.st_mtime)
2419 /* Return the age in hours of the most recent archive of the logfile. */
2421 age_old_log(const char *file)
2424 const char *logfile_suffix;
2425 char tmp[MAXPATHLEN + sizeof(".0") + COMPRESS_SUFFIX_MAXLEN + 1];
2431 /* build name of archive directory into tmp */
2432 if (*archdirname == '/') { /* absolute */
2433 strlcpy(tmp, archdirname, sizeof(tmp));
2434 } else { /* relative */
2435 /* get directory part of logfile */
2436 strlcpy(tmp, file, sizeof(tmp));
2437 if ((p = strrchr(tmp, '/')) == NULL)
2441 strlcat(tmp, archdirname, sizeof(tmp));
2444 strlcat(tmp, "/", sizeof(tmp));
2446 /* get filename part of logfile */
2447 if ((p = strrchr(file, '/')) == NULL)
2448 strlcat(tmp, file, sizeof(tmp));
2450 strlcat(tmp, p + 1, sizeof(tmp));
2452 (void) strlcpy(tmp, file, sizeof(tmp));
2455 if (timefnamefmt != NULL) {
2456 mtime = mtime_old_timelog(tmp);
2460 strlcat(tmp, ".0", sizeof(tmp));
2461 logfile_suffix = get_logfile_suffix(tmp);
2462 if (logfile_suffix == NULL)
2464 (void) strlcat(tmp, logfile_suffix, sizeof(tmp));
2465 if (stat(tmp, &sb) < 0)
2467 mtime = sb.st_mtime;
2470 return ((int)(ptimeget_secs(timenow) - mtime + 1800) / 3600);
2473 /* Skip Over Blanks */
2477 while (p && *p && isspace(*p))
2482 /* Skip Over Non-Blanks */
2486 while (p && *p && !isspace(*p))
2491 /* Check if string is actually a number */
2493 isnumberstr(const char *string)
2496 if (!isdigitch(*string++))
2502 /* Check if string contains a glob */
2504 isglobstr(const char *string)
2508 while ((chr = *string++)) {
2509 if (chr == '*' || chr == '?' || chr == '[')
2516 * Save the active log file under a new name. A link to the new name
2517 * is the quick-and-easy way to do this. If that fails (which it will
2518 * if the destination is on another partition), then make a copy of
2519 * the file to the new location.
2522 savelog(char *from, char *to)
2527 res = link(from, to);
2531 if ((src = fopen(from, "r")) == NULL)
2532 err(1, "can't fopen %s for reading", from);
2533 if ((dst = fopen(to, "w")) == NULL)
2534 err(1, "can't fopen %s for writing", to);
2536 while ((c = getc(src)) != EOF) {
2537 if ((putc(c, dst)) == EOF)
2538 err(1, "error writing to %s", to);
2542 err(1, "error reading from %s", from);
2543 if ((fclose(src)) != 0)
2544 err(1, "can't fclose %s", to);
2545 if ((fclose(dst)) != 0)
2546 err(1, "can't fclose %s", from);
2549 /* create one or more directory components of a path */
2551 createdir(const struct conf_entry *ent, char *dirpart)
2555 char mkdirpath[MAXPATHLEN];
2563 if (*s != '/' && *s != '\0')
2566 res = lstat(mkdirpath, &st);
2569 printf("\tmkdir %s\n", mkdirpath);
2571 res = mkdir(mkdirpath, 0755);
2573 err(1, "Error on mkdir(\"%s\") for -a",
2581 if (ent->firstcreate)
2582 printf("Created directory '%s' for new %s\n",
2585 printf("Created directory '%s' for -a\n", dirpart);
2590 * Create a new log file, destroying any currently-existing version
2591 * of the log file in the process. If the caller wants a backup copy
2592 * of the file to exist, they should call 'link(logfile,logbackup)'
2593 * before calling this routine.
2596 createlog(const struct conf_entry *ent)
2600 char *realfile, *slash, tempfile[MAXPATHLEN];
2603 realfile = ent->log;
2606 * If this log file is being created for the first time (-C option),
2607 * then it may also be true that the parent directory does not exist
2608 * yet. Check, and create that directory if it is missing.
2610 if (ent->firstcreate) {
2611 strlcpy(tempfile, realfile, sizeof(tempfile));
2612 slash = strrchr(tempfile, '/');
2613 if (slash != NULL) {
2615 failed = stat(tempfile, &st);
2616 if (failed && errno != ENOENT)
2617 err(1, "Error on stat(%s)", tempfile);
2619 createdir(ent, tempfile);
2620 else if (!S_ISDIR(st.st_mode))
2621 errx(1, "%s exists but is not a directory",
2627 * First create an unused filename, so it can be chown'ed and
2628 * chmod'ed before it is moved into the real location. mkstemp
2629 * will create the file mode=600 & owned by us. Note that all
2630 * temp files will have a suffix of '.z<something>'.
2632 strlcpy(tempfile, realfile, sizeof(tempfile));
2633 strlcat(tempfile, ".zXXXXXX", sizeof(tempfile));
2635 printf("\tmktemp %s\n", tempfile);
2637 fd = mkstemp(tempfile);
2639 err(1, "can't mkstemp logfile %s", tempfile);
2642 * Add status message to what will become the new log file.
2644 if (!(ent->flags & CE_BINARY)) {
2645 if (log_trim(tempfile, ent))
2646 err(1, "can't add status message to log");
2650 /* Change the owner/group, if we are supposed to */
2651 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) {
2653 printf("\tchown %u:%u %s\n", ent->uid, ent->gid,
2656 failed = fchown(fd, ent->uid, ent->gid);
2658 err(1, "can't fchown temp file %s", tempfile);
2662 /* Turn on NODUMP if it was requested in the config-file. */
2663 if (ent->flags & CE_NODUMP) {
2665 printf("\tchflags nodump %s\n", tempfile);
2667 failed = fchflags(fd, UF_NODUMP);
2669 warn("log_trim: fchflags(NODUMP)");
2675 * Note that if the real logfile still exists, and if the call
2676 * to rename() fails, then "neither the old file nor the new
2677 * file shall be changed or created" (to quote the standard).
2678 * If the call succeeds, then the file will be replaced without
2679 * any window where some other process might find that the file
2681 * XXX - ? It may be that for some error conditions, we could
2682 * retry by first removing the realfile and then renaming.
2685 printf("\tchmod %o %s\n", ent->permissions, tempfile);
2686 printf("\tmv %s %s\n", tempfile, realfile);
2688 failed = fchmod(fd, ent->permissions);
2690 err(1, "can't fchmod temp file '%s'", tempfile);
2691 failed = rename(tempfile, realfile);
2693 err(1, "can't mv %s to %s", tempfile, realfile);
2701 * Change the attributes of a given filename to what was specified in
2702 * the newsyslog.conf entry. This routine is only called for files
2703 * that newsyslog expects that it has created, and thus it is a fatal
2704 * error if this routine finds that the file does not exist.
2707 change_attrs(const char *fname, const struct conf_entry *ent)
2712 printf("\tchmod %o %s\n", ent->permissions, fname);
2714 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1)
2715 printf("\tchown %u:%u %s\n",
2716 ent->uid, ent->gid, fname);
2718 if (ent->flags & CE_NODUMP)
2719 printf("\tchflags nodump %s\n", fname);
2723 failed = chmod(fname, ent->permissions);
2726 err(1, "chmod(%s) in change_attrs", fname);
2727 warn("change_attrs couldn't chmod(%s)", fname);
2730 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) {
2731 failed = chown(fname, ent->uid, ent->gid);
2733 warn("can't chown %s", fname);
2736 if (ent->flags & CE_NODUMP) {
2737 failed = chflags(fname, UF_NODUMP);
2739 warn("can't chflags %s NODUMP", fname);
2744 * Parse a signal number or signal name. Returns the signal number parsed or -1
2748 parse_signal(const char *str)
2753 sig = strtonum(str, 1, sys_nsig - 1, &errstr);
2757 if (strncasecmp(str, "SIG", 3) == 0)
2760 for (i = 1; i < sys_nsig; i++) {
2761 if (strcasecmp(str, sys_signame[i]) == 0)