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.*/
135 #define CE_PLAIN0 0x0800 /* Do not compress zero'th history file */
137 #define CE_RFC5424 0x0800 /* Use RFC5424 format rotation message */
139 #define MIN_PID 5 /* Don't touch pids lower than this */
140 #define MAX_PID 99999 /* was lower, see /usr/include/sys/proc.h */
142 #define kbytes(size) (((size) + 1023) >> 10)
144 #define DEFAULT_MARKER "<default>"
145 #define DEBUG_MARKER "<debug>"
146 #define INCLUDE_MARKER "<include>"
147 #define DEFAULT_TIMEFNAME_FMT "%Y%m%dT%H%M%S"
149 #define MAX_OLDLOGS 65536 /* Default maximum number of old logfiles */
151 struct compress_types {
152 const char *flag; /* Flag in configuration file */
153 const char *suffix; /* Compression suffix */
154 const char *path; /* Path to compression program */
155 char **args; /* Compression program arguments */
158 static char f_arg[] = "-f";
159 static char q_arg[] = "-q";
160 static char rm_arg[] = "--rm";
161 static char *gz_args[] ={ NULL, f_arg, NULL, NULL };
162 #define bzip2_args gz_args
163 #define xz_args gz_args
164 static char *zstd_args[] = { NULL, q_arg, rm_arg, NULL, NULL };
167 static const struct compress_types compress_type[COMPRESS_TYPES] = {
168 { "", "", "", NULL}, /* none */
169 { "Z", COMPRESS_SUFFIX_GZ, _PATH_GZIP, gz_args}, /* gzip */
170 { "J", COMPRESS_SUFFIX_BZ2, _PATH_BZIP2, bzip2_args}, /* bzip2 */
171 { "X", COMPRESS_SUFFIX_XZ, _PATH_XZ, xz_args }, /* xz */
172 { "Y", COMPRESS_SUFFIX_ZST, _PATH_ZSTD, zstd_args } /* zst */
176 STAILQ_ENTRY(conf_entry) cf_nextp;
177 char *log; /* Name of the log */
178 char *pid_cmd_file; /* PID or command file */
179 char *r_reason; /* The reason this file is being rotated */
180 int firstcreate; /* Creating log for the first time (-C). */
181 int rotate; /* Non-zero if this file should be rotated */
182 int fsize; /* size found for the log file */
183 uid_t uid; /* Owner of log */
184 gid_t gid; /* Group of log */
185 int numlogs; /* Number of logs to keep */
186 int trsize; /* Size cutoff to trigger trimming the log */
187 int hours; /* Hours between log trimming */
188 struct ptime_data *trim_at; /* Specific time to do trimming */
189 unsigned int permissions; /* File permissions on the log */
190 int flags; /* CE_BINARY */
191 int compress; /* Compression */
192 int sig; /* Signal to send */
193 int def_cfg; /* Using the <default> rule for this file */
196 struct sigwork_entry {
197 SLIST_ENTRY(sigwork_entry) sw_nextp;
198 int sw_signum; /* the signal to send */
199 int sw_pidok; /* true if pid value is valid */
200 pid_t sw_pid; /* the process id from the PID file */
201 const char *sw_pidtype; /* "daemon" or "process group" */
202 int sw_runcmd; /* run command or send PID to signal */
203 char sw_fname[1]; /* file the PID was read from or shell cmd */
206 struct zipwork_entry {
207 SLIST_ENTRY(zipwork_entry) zw_nextp;
208 const struct conf_entry *zw_conf; /* for chown/perm/flag info */
209 const struct sigwork_entry *zw_swork; /* to know success of signal */
210 int zw_fsize; /* size of the file to compress */
211 char zw_fname[1]; /* the file to compress */
214 struct include_entry {
215 STAILQ_ENTRY(include_entry) inc_nextp;
216 const char *file; /* Name of file to process */
219 struct oldlog_entry {
220 char *fname; /* Filename of the log file */
221 time_t t; /* Parsed timestamp of the logfile */
228 STAILQ_HEAD(cflist, conf_entry);
229 static SLIST_HEAD(swlisthead, sigwork_entry) swhead =
230 SLIST_HEAD_INITIALIZER(swhead);
231 static SLIST_HEAD(zwlisthead, zipwork_entry) zwhead =
232 SLIST_HEAD_INITIALIZER(zwhead);
233 STAILQ_HEAD(ilist, include_entry);
235 int dbg_at_times; /* -D Show details of 'trim_at' code */
237 static int archtodir = 0; /* Archive old logfiles to other directory */
238 static int createlogs; /* Create (non-GLOB) logfiles which do not */
239 /* already exist. 1=='for entries with */
240 /* C flag', 2=='for all entries'. */
241 int verbose = 0; /* Print out what's going on */
242 static int needroot = 1; /* Root privs are necessary */
243 int noaction = 0; /* Don't do anything, just show it */
244 static int norotate = 0; /* Don't rotate */
245 static int nosignal; /* Do not send any signals */
246 static int enforcepid = 0; /* If PID file does not exist or empty, do nothing */
247 static int force = 0; /* Force the trim no matter what */
248 static int rotatereq = 0; /* -R = Always rotate the file(s) as given */
249 /* on the command (this also requires */
250 /* that a list of files *are* given on */
251 /* the run command). */
252 static char *requestor; /* The name given on a -R request */
253 static char *timefnamefmt = NULL;/* Use time based filenames instead of .0 */
254 static char *archdirname; /* Directory path to old logfiles archive */
255 static char *destdir = NULL; /* Directory to treat at root for logs */
256 static const char *conf; /* Configuration file to use */
258 struct ptime_data *dbg_timenow; /* A "timenow" value set via -D option */
259 static struct ptime_data *timenow; /* The time to use for checking at-fields */
261 #define DAYTIME_LEN 16
262 static char daytime[DAYTIME_LEN];/* The current time in human readable form,
263 * used for rotation-tracking messages. */
265 /* Another buffer to hold the current time in RFC5424 format. Fractional
266 * seconds are allowed by the RFC, but are not included in the
267 * rotation-tracking messages written by newsyslog and so are not accounted for
268 * in the length below.
270 #define DAYTIME_RFC5424_LEN sizeof("YYYY-MM-DDTHH:MM:SS+00:00")
271 static char daytime_rfc5424[DAYTIME_RFC5424_LEN];
273 static char hostname[MAXHOSTNAMELEN]; /* hostname */
275 static const char *path_syslogpid = _PATH_SYSLOGPID;
277 static struct cflist *get_worklist(char **files);
278 static void parse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p,
279 struct conf_entry *defconf_p, struct ilist *inclist);
280 static void add_to_queue(const char *fname, struct ilist *inclist);
281 static char *sob(char *p);
282 static char *son(char *p);
283 static int isnumberstr(const char *);
284 static int isglobstr(const char *);
285 static char *missing_field(char *p, char *errline);
286 static void change_attrs(const char *, const struct conf_entry *);
287 static const char *get_logfile_suffix(const char *logfile);
288 static fk_entry do_entry(struct conf_entry *);
289 static fk_entry do_rotate(const struct conf_entry *);
290 static void do_sigwork(struct sigwork_entry *);
291 static void do_zipwork(struct zipwork_entry *);
292 static struct sigwork_entry *
293 save_sigwork(const struct conf_entry *);
294 static struct zipwork_entry *
295 save_zipwork(const struct conf_entry *, const struct
296 sigwork_entry *, int, const char *);
297 static void set_swpid(struct sigwork_entry *, const struct conf_entry *);
298 static int sizefile(const char *);
299 static void expand_globs(struct cflist *work_p, struct cflist *glob_p);
300 static void free_clist(struct cflist *list);
301 static void free_entry(struct conf_entry *ent);
302 static struct conf_entry *init_entry(const char *fname,
303 struct conf_entry *src_entry);
304 static void parse_args(int argc, char **argv);
305 static int parse_doption(const char *doption);
306 static void usage(void);
307 static int log_trim(const char *logname, const struct conf_entry *log_ent);
308 static int age_old_log(const char *file);
309 static void savelog(char *from, char *to);
310 static void createdir(const struct conf_entry *ent, char *dirpart);
311 static void createlog(const struct conf_entry *ent);
312 static int parse_signal(const char *str);
315 * All the following take a parameter of 'int', but expect values in the
316 * range of unsigned char. Define wrappers which take values of type 'char',
317 * whether signed or unsigned, and ensure they end up in the right range.
319 #define isdigitch(Anychar) isdigit((u_char)(Anychar))
320 #define isprintch(Anychar) isprint((u_char)(Anychar))
321 #define isspacech(Anychar) isspace((u_char)(Anychar))
322 #define tolowerch(Anychar) tolower((u_char)(Anychar))
325 main(int argc, char **argv)
327 struct cflist *worklist;
328 struct conf_entry *p;
329 struct sigwork_entry *stmp;
330 struct zipwork_entry *ztmp;
335 parse_args(argc, argv);
339 if (needroot && getuid() && geteuid())
340 errx(1, "must have root privs");
341 worklist = get_worklist(argv);
344 * Rotate all the files which need to be rotated. Note that
345 * some users have *hundreds* of entries in newsyslog.conf!
347 while (!STAILQ_EMPTY(worklist)) {
348 p = STAILQ_FIRST(worklist);
349 STAILQ_REMOVE_HEAD(worklist, cf_nextp);
350 if (do_entry(p) == FREE_ENT)
355 * Send signals to any processes which need a signal to tell
356 * them to close and re-open the log file(s) we have rotated.
357 * Note that zipwork_entries include pointers to these
358 * sigwork_entry's, so we can not free the entries here.
360 if (!SLIST_EMPTY(&swhead)) {
361 if (noaction || verbose)
362 printf("Signal all daemon process(es)...\n");
363 SLIST_FOREACH(stmp, &swhead, sw_nextp)
365 if (!(rotatereq && nosignal)) {
367 printf("\tsleep 10\n");
370 printf("Pause 10 seconds to allow "
371 "daemon(s) to close log file(s)\n");
377 * Compress all files that we're expected to compress, now
378 * that all processes should have closed the files which
381 if (!SLIST_EMPTY(&zwhead)) {
382 if (noaction || verbose)
383 printf("Compress all rotated log file(s)...\n");
384 while (!SLIST_EMPTY(&zwhead)) {
385 ztmp = SLIST_FIRST(&zwhead);
387 SLIST_REMOVE_HEAD(&zwhead, zw_nextp);
391 /* Now free all the sigwork entries. */
392 while (!SLIST_EMPTY(&swhead)) {
393 stmp = SLIST_FIRST(&swhead);
394 SLIST_REMOVE_HEAD(&swhead, sw_nextp);
398 while (wait(NULL) > 0 || errno == EINTR)
403 static struct conf_entry *
404 init_entry(const char *fname, struct conf_entry *src_entry)
406 struct conf_entry *tempwork;
409 printf("\t--> [creating entry for %s]\n", fname);
411 tempwork = malloc(sizeof(struct conf_entry));
412 if (tempwork == NULL)
413 err(1, "malloc of conf_entry for %s", fname);
415 if (destdir == NULL || fname[0] != '/')
416 tempwork->log = strdup(fname);
418 asprintf(&tempwork->log, "%s%s", destdir, fname);
419 if (tempwork->log == NULL)
420 err(1, "strdup for %s", fname);
422 if (src_entry != NULL) {
423 tempwork->pid_cmd_file = NULL;
424 if (src_entry->pid_cmd_file)
425 tempwork->pid_cmd_file = strdup(src_entry->pid_cmd_file);
426 tempwork->r_reason = NULL;
427 tempwork->firstcreate = 0;
428 tempwork->rotate = 0;
429 tempwork->fsize = -1;
430 tempwork->uid = src_entry->uid;
431 tempwork->gid = src_entry->gid;
432 tempwork->numlogs = src_entry->numlogs;
433 tempwork->trsize = src_entry->trsize;
434 tempwork->hours = src_entry->hours;
435 tempwork->trim_at = NULL;
436 if (src_entry->trim_at != NULL)
437 tempwork->trim_at = ptime_init(src_entry->trim_at);
438 tempwork->permissions = src_entry->permissions;
439 tempwork->flags = src_entry->flags;
440 tempwork->compress = src_entry->compress;
441 tempwork->sig = src_entry->sig;
442 tempwork->def_cfg = src_entry->def_cfg;
444 /* Initialize as a "do-nothing" entry */
445 tempwork->pid_cmd_file = NULL;
446 tempwork->r_reason = NULL;
447 tempwork->firstcreate = 0;
448 tempwork->rotate = 0;
449 tempwork->fsize = -1;
450 tempwork->uid = (uid_t)-1;
451 tempwork->gid = (gid_t)-1;
452 tempwork->numlogs = 1;
453 tempwork->trsize = -1;
454 tempwork->hours = -1;
455 tempwork->trim_at = NULL;
456 tempwork->permissions = 0;
458 tempwork->compress = COMPRESS_NONE;
459 tempwork->sig = SIGHUP;
460 tempwork->def_cfg = 0;
467 free_entry(struct conf_entry *ent)
473 if (ent->log != NULL) {
475 printf("\t--> [freeing entry for %s]\n", ent->log);
480 if (ent->pid_cmd_file != NULL) {
481 free(ent->pid_cmd_file);
482 ent->pid_cmd_file = NULL;
485 if (ent->r_reason != NULL) {
487 ent->r_reason = NULL;
490 if (ent->trim_at != NULL) {
491 ptime_free(ent->trim_at);
499 free_clist(struct cflist *list)
501 struct conf_entry *ent;
503 while (!STAILQ_EMPTY(list)) {
504 ent = STAILQ_FIRST(list);
505 STAILQ_REMOVE_HEAD(list, cf_nextp);
514 do_entry(struct conf_entry * ent)
516 #define REASON_MAX 80
518 fk_entry free_or_keep;
520 char temp_reason[REASON_MAX];
523 free_or_keep = FREE_ENT;
525 printf("%s <%d%s>: ", ent->log, ent->numlogs,
526 compress_type[ent->compress].flag);
527 ent->fsize = sizefile(ent->log);
528 oversized = ((ent->trsize > 0) && (ent->fsize >= ent->trsize));
529 modtime = age_old_log(ent->log);
531 ent->firstcreate = 0;
532 if (ent->fsize < 0) {
534 * If either the C flag or the -C option was specified,
535 * and if we won't be creating the file, then have the
536 * verbose message include a hint as to why the file
537 * will not be created.
539 temp_reason[0] = '\0';
541 ent->firstcreate = 1;
542 else if ((ent->flags & CE_CREATE) && createlogs)
543 ent->firstcreate = 1;
544 else if (ent->flags & CE_CREATE)
545 strlcpy(temp_reason, " (no -C option)", REASON_MAX);
547 strlcpy(temp_reason, " (no C flag)", REASON_MAX);
549 if (ent->firstcreate) {
551 printf("does not exist -> will create.\n");
553 } else if (verbose) {
554 printf("does not exist, skipped%s.\n", temp_reason);
557 if (ent->flags & CE_TRIMAT && !force && !rotatereq &&
559 diffsecs = ptimeget_diff(timenow, ent->trim_at);
560 if (diffsecs < 0.0) {
561 /* trim_at is some time in the future. */
563 ptime_adjust4dst(ent->trim_at,
565 printf("--> will trim at %s",
566 ptimeget_ctime(ent->trim_at));
568 return (free_or_keep);
569 } else if (diffsecs >= 3600.0) {
571 * trim_at is more than an hour in the past,
572 * so find the next valid trim_at time, and
573 * tell the user what that will be.
575 if (verbose && dbg_at_times)
576 printf("\n\t--> prev trim at %s\t",
577 ptimeget_ctime(ent->trim_at));
579 ptimeset_nxtime(ent->trim_at);
580 printf("--> will trim at %s",
581 ptimeget_ctime(ent->trim_at));
583 return (free_or_keep);
584 } else if (verbose && noaction && dbg_at_times) {
586 * If we are just debugging at-times, then
587 * a detailed message is helpful. Also
588 * skip "doing" any commands, since they
589 * would all be turned off by no-action.
591 printf("\n\t--> timematch at %s",
592 ptimeget_ctime(ent->trim_at));
593 return (free_or_keep);
594 } else if (verbose && ent->hours <= 0) {
595 printf("--> time is up\n");
598 if (verbose && (ent->trsize > 0))
599 printf("size (Kb): %d [%d] ", ent->fsize, ent->trsize);
600 if (verbose && (ent->hours > 0))
601 printf(" age (hr): %d [%d] ", modtime, ent->hours);
604 * Figure out if this logfile needs to be rotated.
606 temp_reason[0] = '\0';
609 snprintf(temp_reason, REASON_MAX, " due to -R from %s",
613 snprintf(temp_reason, REASON_MAX, " due to -F request");
614 } else if (oversized) {
616 snprintf(temp_reason, REASON_MAX, " due to size>%dK",
618 } else if (ent->hours <= 0 && (ent->flags & CE_TRIMAT)) {
620 } else if ((ent->hours > 0) && ((modtime >= ent->hours) ||
626 * If the file needs to be rotated, then rotate it.
628 if (ent->rotate && !norotate) {
629 if (temp_reason[0] != '\0')
630 ent->r_reason = strdup(temp_reason);
632 printf("--> trimming log....\n");
633 if (noaction && !verbose)
634 printf("%s <%d%s>: trimming\n", ent->log,
636 compress_type[ent->compress].flag);
637 free_or_keep = do_rotate(ent);
640 printf("--> skipping\n");
643 return (free_or_keep);
648 parse_args(int argc, char **argv)
653 timenow = ptime_init(NULL);
654 ptimeset_time(timenow, time(NULL));
655 strlcpy(daytime, ptimeget_ctime(timenow) + 4, DAYTIME_LEN);
656 ptimeget_ctime_rfc5424(timenow, daytime_rfc5424, DAYTIME_RFC5424_LEN);
658 /* Let's get our hostname */
659 (void)gethostname(hostname, sizeof(hostname));
661 /* Truncate domain */
662 if ((p = strchr(hostname, '.')) != NULL)
665 /* Parse command line options. */
666 while ((ch = getopt(argc, argv, "a:d:f:nrst:vCD:FNPR:S:")) != -1)
670 archdirname = optarg;
688 if (optarg[0] == '\0' ||
689 strcmp(optarg, "DEFAULT") == 0)
690 timefnamefmt = strdup(DEFAULT_TIMEFNAME_FMT);
692 timefnamefmt = strdup(optarg);
698 /* Useful for things like rc.diskless... */
703 * Set some debugging option. The specific option
704 * depends on the value of optarg. These options
705 * may come and go without notice or documentation.
707 if (parse_doption(optarg))
722 requestor = strdup(optarg);
725 path_syslogpid = optarg;
727 case 'm': /* Used by OpenBSD for "monitor mode" */
733 if (force && norotate) {
734 warnx("Only one of -F and -N may be specified.");
740 if (optind == argc) {
741 warnx("At least one filename must be given when -R is specified.");
745 /* Make sure "requestor" value is safe for a syslog message. */
746 for (p = requestor; *p != '\0'; p++) {
747 if (!isprintch(*p) && (*p != '\t'))
754 * Note that the 'daytime' variable is not changed.
755 * That is only used in messages that track when a
756 * logfile is rotated, and if a file *is* rotated,
757 * then it will still rotated at the "real now" time.
760 timenow = dbg_timenow;
761 fprintf(stderr, "Debug: Running as if TimeNow is %s",
762 ptimeget_ctime(dbg_timenow));
768 * These debugging options are mainly meant for developer use, such
769 * as writing regression-tests. They would not be needed by users
770 * during normal operation of newsyslog...
773 parse_doption(const char *doption)
775 const char TN[] = "TN=";
778 if (strncmp(doption, TN, sizeof(TN) - 1) == 0) {
780 * The "TimeNow" debugging option. This might be off
781 * by an hour when crossing a timezone change.
783 dbg_timenow = ptime_init(NULL);
784 res = ptime_relparse(dbg_timenow, PTM_PARSE_ISO8601,
785 time(NULL), doption + sizeof(TN) - 1);
787 warnx("Non-existent time specified on -D %s", doption);
788 return (0); /* failure */
789 } else if (res < 0) {
790 warnx("Malformed time given on -D %s", doption);
791 return (0); /* failure */
793 return (1); /* successfully parsed */
797 if (strcmp(doption, "ats") == 0) {
799 return (1); /* successfully parsed */
802 /* XXX - This check could probably be dropped. */
803 if ((strcmp(doption, "neworder") == 0) || (strcmp(doption, "oldorder")
805 warnx("NOTE: newsyslog always uses 'neworder'.");
806 return (1); /* successfully parsed */
809 warnx("Unknown -D (debug) option: '%s'", doption);
810 return (0); /* failure */
818 "usage: newsyslog [-CFNPnrsv] [-a directory] [-d directory] [-f config_file]\n"
819 " [-S pidfile] [-t timefmt] [[-R tagname] file ...]\n");
824 * Parse a configuration file and return a linked list of all the logs
825 * which should be processed.
827 static struct cflist *
828 get_worklist(char **files)
832 struct cflist *cmdlist, *filelist, *globlist;
833 struct conf_entry *defconf, *dupent, *ent;
834 struct ilist inclist;
835 struct include_entry *inc;
839 STAILQ_INIT(&inclist);
841 filelist = malloc(sizeof(struct cflist));
842 if (filelist == NULL)
843 err(1, "malloc of filelist");
844 STAILQ_INIT(filelist);
845 globlist = malloc(sizeof(struct cflist));
846 if (globlist == NULL)
847 err(1, "malloc of globlist");
848 STAILQ_INIT(globlist);
850 inc = malloc(sizeof(struct include_entry));
852 err(1, "malloc of inc");
854 if (inc->file == NULL)
855 inc->file = _PATH_CONF;
856 STAILQ_INSERT_TAIL(&inclist, inc, inc_nextp);
858 STAILQ_FOREACH(inc, &inclist, inc_nextp) {
859 if (strcmp(inc->file, "-") != 0)
860 f = fopen(inc->file, "r");
863 inc->file = "<stdin>";
866 err(1, "%s", inc->file);
869 printf("Processing %s\n", inc->file);
870 parse_file(f, filelist, globlist, defconf, &inclist);
875 * All config-file information has been read in and turned into
876 * a filelist and a globlist. If there were no specific files
877 * given on the run command, then the only thing left to do is to
878 * call a routine which finds all files matched by the globlist
879 * and adds them to the filelist. Then return the worklist.
881 if (*files == NULL) {
882 expand_globs(filelist, globlist);
883 free_clist(globlist);
891 * If newsyslog was given a specific list of files to process,
892 * it may be that some of those files were not listed in any
893 * config file. Those unlisted files should get the default
894 * rotation action. First, create the default-rotation action
895 * if none was found in a system config file.
897 if (defconf == NULL) {
898 defconf = init_entry(DEFAULT_MARKER, NULL);
899 defconf->numlogs = 3;
900 defconf->trsize = 50;
901 defconf->permissions = S_IRUSR|S_IWUSR;
905 * If newsyslog was run with a list of specific filenames,
906 * then create a new worklist which has only those files in
907 * it, picking up the rotation-rules for those files from
908 * the original filelist.
910 * XXX - Note that this will copy multiple rules for a single
911 * logfile, if multiple entries are an exact match for
912 * that file. That matches the historic behavior, but do
913 * we want to continue to allow it? If so, it should
914 * probably be handled more intelligently.
916 cmdlist = malloc(sizeof(struct cflist));
918 err(1, "malloc of cmdlist");
919 STAILQ_INIT(cmdlist);
921 for (given = files; *given; ++given) {
923 * First try to find exact-matches for this given file.
926 STAILQ_FOREACH(ent, filelist, cf_nextp) {
927 if (strcmp(ent->log, *given) == 0) {
929 dupent = init_entry(*given, ent);
930 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
935 printf("\t+ Matched entry %s\n", *given);
940 * There was no exact-match for this given file, so look
941 * for a "glob" entry which does match.
944 if (verbose > 2 && globlist != NULL)
945 printf("\t+ Checking globs for %s\n", *given);
946 STAILQ_FOREACH(ent, globlist, cf_nextp) {
947 fnres = fnmatch(ent->log, *given, FNM_PATHNAME);
949 printf("\t+ = %d for pattern %s\n", fnres,
953 dupent = init_entry(*given, ent);
954 /* This new entry is not a glob! */
955 dupent->flags &= ~CE_GLOB;
956 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
957 /* Only allow a match to one glob-entry */
963 printf("\t+ Matched %s via %s\n", *given,
969 * This given file was not found in any config file, so
970 * add a worklist item based on the default entry.
973 printf("\t+ No entry matched %s (will use %s)\n",
974 *given, DEFAULT_MARKER);
975 dupent = init_entry(*given, defconf);
976 /* Mark that it was *not* found in a config file */
978 STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp);
982 * Free all the entries in the original work list, the list of
983 * glob entries, and the default entry.
985 free_clist(filelist);
986 free_clist(globlist);
989 /* And finally, return a worklist which matches the given files. */
994 * Expand the list of entries with filename patterns, and add all files
995 * which match those glob-entries onto the worklist.
998 expand_globs(struct cflist *work_p, struct cflist *glob_p)
1003 struct conf_entry *dupent, *ent, *globent;
1008 * The worklist contains all fully-specified (non-GLOB) names.
1010 * Now expand the list of filename-pattern (GLOB) entries into
1011 * a second list, which (by definition) will only match files
1012 * that already exist. Do not add a glob-related entry for any
1013 * file which already exists in the fully-specified list.
1015 STAILQ_FOREACH(globent, glob_p, cf_nextp) {
1016 gres = glob(globent->log, GLOB_NOCHECK, NULL, &pglob);
1018 warn("cannot expand pattern (%d): %s", gres,
1024 printf("\t+ Expanding pattern %s\n", globent->log);
1025 for (i = 0; i < pglob.gl_matchc; i++) {
1026 mfname = pglob.gl_pathv[i];
1028 /* See if this file already has a specific entry. */
1030 STAILQ_FOREACH(ent, work_p, cf_nextp) {
1031 if (strcmp(mfname, ent->log) == 0) {
1039 /* Make sure the named matched is a file. */
1040 gres = lstat(mfname, &st_fm);
1042 /* Error on a file that glob() matched?!? */
1043 warn("Skipping %s - lstat() error", mfname);
1046 if (!S_ISREG(st_fm.st_mode)) {
1047 /* We only rotate files! */
1049 printf("\t+ . skipping %s (!file)\n",
1055 printf("\t+ . add file %s\n", mfname);
1056 dupent = init_entry(mfname, globent);
1057 /* This new entry is not a glob! */
1058 dupent->flags &= ~CE_GLOB;
1060 /* Add to the worklist. */
1061 STAILQ_INSERT_TAIL(work_p, dupent, cf_nextp);
1065 printf("\t+ Done with pattern %s\n", globent->log);
1070 * Parse a configuration file and update a linked list of all the logs to
1074 parse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p,
1075 struct conf_entry *defconf_p, struct ilist *inclist)
1077 char line[BUFSIZ], *parse, *q;
1078 char *cp, *errline, *group;
1079 struct conf_entry *working;
1083 int eol, ptm_opts, res, special;
1087 while (fgets(line, BUFSIZ, cf)) {
1088 if ((line[0] == '\n') || (line[0] == '#') ||
1089 (strlen(line) == 0))
1091 if (errline != NULL)
1093 errline = strdup(line);
1094 for (cp = line + 1; *cp != '\0'; cp++) {
1097 if (*(cp - 1) == '\\') {
1106 q = parse = missing_field(sob(line), errline);
1109 errx(1, "malformed line (missing fields):\n%s",
1114 * Allow people to set debug options via the config file.
1115 * (NOTE: debug options are undocumented, and may disappear
1116 * at any time, etc).
1118 if (strcasecmp(DEBUG_MARKER, q) == 0) {
1119 q = parse = missing_field(sob(parse + 1), errline);
1122 warnx("debug line specifies no option:\n%s",
1129 } else if (strcasecmp(INCLUDE_MARKER, q) == 0) {
1131 printf("Found: %s", errline);
1132 q = parse = missing_field(sob(parse + 1), errline);
1135 warnx("include line missing argument:\n%s",
1143 res = glob(q, GLOB_NOCHECK, NULL, &pglob);
1145 warn("cannot expand pattern (%d): %s",
1151 printf("\t+ Expanding pattern %s\n", q);
1153 for (i = 0; i < pglob.gl_matchc; i++)
1154 add_to_queue(pglob.gl_pathv[i],
1158 add_to_queue(q, inclist);
1163 working = init_entry(q, NULL);
1164 if (strcasecmp(DEFAULT_MARKER, q) == 0) {
1166 if (defconf_p != NULL) {
1167 warnx("Ignoring duplicate entry for %s!", q);
1168 free_entry(working);
1171 defconf_p = working;
1174 q = parse = missing_field(sob(parse + 1), errline);
1177 errx(1, "malformed line (missing fields):\n%s",
1180 if ((group = strchr(q, ':')) != NULL ||
1181 (group = strrchr(q, '.')) != NULL) {
1184 if (!(isnumberstr(q))) {
1185 if ((pwd = getpwnam(q)) == NULL)
1187 "error in config file; unknown user:\n%s",
1189 working->uid = pwd->pw_uid;
1191 working->uid = atoi(q);
1193 working->uid = (uid_t)-1;
1197 if (!(isnumberstr(q))) {
1198 if ((grp = getgrnam(q)) == NULL)
1200 "error in config file; unknown group:\n%s",
1202 working->gid = grp->gr_gid;
1204 working->gid = atoi(q);
1206 working->gid = (gid_t)-1;
1208 q = parse = missing_field(sob(parse + 1), errline);
1211 errx(1, "malformed line (missing fields):\n%s",
1215 working->uid = (uid_t)-1;
1216 working->gid = (gid_t)-1;
1219 if (!sscanf(q, "%o", &working->permissions))
1220 errx(1, "error in config file; bad permissions:\n%s",
1223 q = parse = missing_field(sob(parse + 1), errline);
1226 errx(1, "malformed line (missing fields):\n%s",
1229 if (!sscanf(q, "%d", &working->numlogs) || working->numlogs < 0)
1230 errx(1, "error in config file; bad value for count of logs to save:\n%s",
1233 q = parse = missing_field(sob(parse + 1), errline);
1236 errx(1, "malformed line (missing fields):\n%s",
1240 working->trsize = atoi(q);
1241 else if (strcmp(q, "*") == 0)
1242 working->trsize = -1;
1244 warnx("Invalid value of '%s' for 'size' in line:\n%s",
1246 working->trsize = -1;
1250 working->compress = COMPRESS_NONE;
1251 q = parse = missing_field(sob(parse + 1), errline);
1259 ul = strtoul(q, &ep, 10);
1262 else if (*ep == '*')
1263 working->hours = -1;
1264 else if (ul > INT_MAX)
1265 errx(1, "interval is too large:\n%s", errline);
1267 working->hours = ul;
1269 if (*ep == '\0' || strcmp(ep, "*") == 0)
1271 if (*ep != '@' && *ep != '$')
1272 errx(1, "malformed interval/at:\n%s", errline);
1274 working->flags |= CE_TRIMAT;
1275 working->trim_at = ptime_init(NULL);
1276 ptm_opts = PTM_PARSE_ISO8601;
1278 ptm_opts = PTM_PARSE_DWM;
1279 ptm_opts |= PTM_PARSE_MATCHDOM;
1280 res = ptime_relparse(working->trim_at, ptm_opts,
1281 ptimeget_secs(timenow), ep + 1);
1283 errx(1, "nonexistent time for 'at' value:\n%s",
1286 errx(1, "malformed 'at' value:\n%s", errline);
1293 q = parse = sob(parse + 1); /* Optional field */
1300 for (; q && *q && !isspacech(*q); q++) {
1301 switch (tolowerch(*q)) {
1303 working->flags |= CE_BINARY;
1306 working->flags |= CE_CREATE;
1309 working->flags |= CE_NODUMP;
1312 working->flags |= CE_GLOB;
1315 working->compress = COMPRESS_BZIP2;
1318 working->flags |= CE_NOSIGNAL;
1321 working->flags |= CE_PLAIN0;
1324 working->flags |= CE_PID2CMD;
1327 working->flags |= CE_RFC5424;
1330 working->flags |= CE_SIGNALGROUP;
1333 /* Deprecated flag - keep for compatibility purposes */
1336 working->compress = COMPRESS_XZ;
1339 working->compress = COMPRESS_ZSTD;
1342 working->compress = COMPRESS_GZIP;
1346 case 'f': /* Used by OpenBSD for "CE_FOLLOW" */
1347 case 'm': /* Used by OpenBSD for "CE_MONITOR" */
1349 errx(1, "illegal flag in config file -- %c",
1357 q = parse = sob(parse + 1); /* Optional field */
1364 working->pid_cmd_file = NULL;
1367 working->pid_cmd_file = strdup(q);
1368 else if (isalnum(*q))
1372 "illegal pid file or signal in config file:\n%s",
1379 q = parse = sob(parse + 1); /* Optional field */
1380 *(parse = son(parse)) = '\0';
1383 working->sig = SIGHUP;
1386 working->sig = parse_signal(q);
1387 if (working->sig < 1 || working->sig >= sys_nsig) {
1389 "illegal signal in config file:\n%s",
1395 * Finish figuring out what pid-file to use (if any) in
1396 * later processing if this logfile needs to be rotated.
1398 if ((working->flags & CE_NOSIGNAL) == CE_NOSIGNAL) {
1400 * This config-entry specified 'n' for nosignal,
1401 * see if it also specified an explicit pid_cmd_file.
1402 * This would be a pretty pointless combination.
1404 if (working->pid_cmd_file != NULL) {
1405 warnx("Ignoring '%s' because flag 'n' was specified in line:\n%s",
1406 working->pid_cmd_file, errline);
1407 free(working->pid_cmd_file);
1408 working->pid_cmd_file = NULL;
1410 } else if (working->pid_cmd_file == NULL) {
1412 * This entry did not specify the 'n' flag, which
1413 * means it should signal syslogd unless it had
1414 * specified some other pid-file (and obviously the
1415 * syslog pid-file will not be for a process-group).
1416 * Also, we should only try to notify syslog if we
1419 if (working->flags & CE_SIGNALGROUP) {
1420 warnx("Ignoring flag 'U' in line:\n%s",
1422 working->flags &= ~CE_SIGNALGROUP;
1425 working->pid_cmd_file = strdup(path_syslogpid);
1429 * Add this entry to the appropriate list of entries, unless
1430 * it was some kind of special entry (eg: <default>).
1433 ; /* Do not add to any list */
1434 } else if (working->flags & CE_GLOB) {
1435 STAILQ_INSERT_TAIL(glob_p, working, cf_nextp);
1437 STAILQ_INSERT_TAIL(work_p, working, cf_nextp);
1440 if (errline != NULL)
1445 missing_field(char *p, char *errline)
1449 errx(1, "missing field in config file:\n%s", errline);
1454 * In our sort we return it in the reverse of what qsort normally
1455 * would do, as we want the newest files first. If we have two
1456 * entries with the same time we don't really care about order.
1458 * Support function for qsort() in delete_oldest_timelog().
1461 oldlog_entry_compare(const void *a, const void *b)
1463 const struct oldlog_entry *ola = a, *olb = b;
1465 if (ola->t > olb->t)
1467 else if (ola->t < olb->t)
1474 * Check whether the file corresponding to dp is an archive of the logfile
1475 * logfname, based on the timefnamefmt format string. Return true and fill out
1476 * tm if this is the case; otherwise return false.
1479 validate_old_timelog(int fd, const struct dirent *dp, const char *logfname,
1483 size_t logfname_len;
1487 logfname_len = strlen(logfname);
1489 if (dp->d_type != DT_REG) {
1491 * Some filesystems (e.g. NFS) don't fill out the d_type field
1492 * and leave it set to DT_UNKNOWN; in this case we must obtain
1493 * the file type ourselves.
1495 if (dp->d_type != DT_UNKNOWN ||
1496 fstatat(fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) != 0 ||
1497 !S_ISREG(sb.st_mode))
1500 /* Ignore everything but files with our logfile prefix. */
1501 if (strncmp(dp->d_name, logfname, logfname_len) != 0)
1503 /* Ignore the actual non-rotated logfile. */
1504 if (dp->d_namlen == logfname_len)
1508 * Make sure we created have found a logfile, so the
1509 * postfix is valid, IE format is: '.<time>(.[bgx]z)?'.
1511 if (dp->d_name[logfname_len] != '.') {
1513 printf("Ignoring %s which has unexpected "
1514 "extension '%s'\n", dp->d_name,
1515 &dp->d_name[logfname_len]);
1518 memset(tm, 0, sizeof(*tm));
1519 if ((s = strptime(&dp->d_name[logfname_len + 1],
1520 timefnamefmt, tm)) == NULL) {
1522 * We could special case "old" sequentially named logfiles here,
1523 * but we do not as that would require special handling to
1524 * decide which one was the oldest compared to "new" time based
1528 printf("Ignoring %s which does not "
1529 "match time format\n", dp->d_name);
1533 for (c = 0; c < COMPRESS_TYPES; c++)
1534 if (strcmp(s, compress_type[c].suffix) == 0)
1539 printf("Ignoring %s which has unexpected extension '%s'\n",
1546 * Delete the oldest logfiles, when using time based filenames.
1549 delete_oldest_timelog(const struct conf_entry *ent, const char *archive_dir)
1551 char *basebuf, *dirbuf, errbuf[80];
1552 const char *base, *dir;
1553 int dir_fd, i, logcnt, max_logcnt;
1554 struct oldlog_entry *oldlogs;
1559 oldlogs = malloc(MAX_OLDLOGS * sizeof(struct oldlog_entry));
1560 max_logcnt = MAX_OLDLOGS;
1563 if (archive_dir != NULL && archive_dir[0] != '\0') {
1567 if ((dirbuf = strdup(ent->log)) == NULL)
1569 dir = dirname(dirbuf);
1572 if ((basebuf = strdup(ent->log)) == NULL)
1574 base = basename(basebuf);
1575 if (strcmp(base, "/") == 0)
1576 errx(1, "Invalid log filename - became '/'");
1579 printf("Searching for old logs in %s\n", dir);
1581 /* First we create a 'list' of all archived logfiles */
1582 if ((dirp = opendir(dir)) == NULL)
1583 err(1, "Cannot open log directory '%s'", dir);
1584 dir_fd = dirfd(dirp);
1585 while ((dp = readdir(dirp)) != NULL) {
1586 if (validate_old_timelog(dir_fd, dp, base, &tm) == 0)
1590 * We should now have old an old rotated logfile, so
1591 * add it to the 'list'.
1593 if ((oldlogs[logcnt].t = timegm(&tm)) == -1)
1594 err(1, "Could not convert time string to time value");
1595 if ((oldlogs[logcnt].fname = strdup(dp->d_name)) == NULL)
1600 * It is very unlikely we ever run out of space in the
1601 * logfile array from the default size, but lets
1602 * handle it anyway...
1604 if (logcnt >= max_logcnt) {
1606 /* Detect integer overflow */
1607 if (max_logcnt < logcnt)
1608 errx(1, "Too many old logfiles found");
1609 oldlogs = realloc(oldlogs,
1610 max_logcnt * sizeof(struct oldlog_entry));
1611 if (oldlogs == NULL)
1612 err(1, "realloc()");
1616 /* Second, if needed we delete oldest archived logfiles */
1617 if (logcnt > 0 && logcnt >= ent->numlogs && ent->numlogs > 1) {
1618 oldlogs = realloc(oldlogs, logcnt *
1619 sizeof(struct oldlog_entry));
1620 if (oldlogs == NULL)
1621 err(1, "realloc()");
1624 * We now sort the logs in the order of newest to
1625 * oldest. That way we can simply skip over the
1626 * number of records we want to keep.
1628 qsort(oldlogs, logcnt, sizeof(struct oldlog_entry),
1629 oldlog_entry_compare);
1630 for (i = ent->numlogs - 1; i < logcnt; i++) {
1632 printf("\trm -f %s/%s\n", dir,
1634 else if (unlinkat(dir_fd, oldlogs[i].fname, 0) != 0) {
1635 snprintf(errbuf, sizeof(errbuf),
1636 "Could not delete old logfile '%s'",
1641 } else if (verbose > 1)
1642 printf("No old logs to delete for logfile %s\n", ent->log);
1644 /* Third, cleanup */
1646 for (i = 0; i < logcnt; i++) {
1647 assert(oldlogs[i].fname != NULL);
1648 free(oldlogs[i].fname);
1656 * Generate a log filename, when using classic filenames.
1659 gen_classiclog_fname(char *fname, size_t fname_sz, const char *archive_dir,
1660 const char *namepart, int numlogs_c)
1663 if (archive_dir[0] != '\0')
1664 (void) snprintf(fname, fname_sz, "%s/%s.%d", archive_dir,
1665 namepart, numlogs_c);
1667 (void) snprintf(fname, fname_sz, "%s.%d", namepart, numlogs_c);
1671 * Delete a rotated logfile, when using classic filenames.
1674 delete_classiclog(const char *archive_dir, const char *namepart, int numlog_c)
1676 char file1[MAXPATHLEN], zfile1[MAXPATHLEN];
1679 gen_classiclog_fname(file1, sizeof(file1), archive_dir, namepart,
1682 for (c = 0; c < COMPRESS_TYPES; c++) {
1683 (void) snprintf(zfile1, sizeof(zfile1), "%s%s", file1,
1684 compress_type[c].suffix);
1686 printf("\trm -f %s\n", zfile1);
1688 (void) unlink(zfile1);
1693 * Only add to the queue if the file hasn't already been added. This is
1694 * done to prevent circular include loops.
1697 add_to_queue(const char *fname, struct ilist *inclist)
1699 struct include_entry *inc;
1701 STAILQ_FOREACH(inc, inclist, inc_nextp) {
1702 if (strcmp(fname, inc->file) == 0) {
1703 warnx("duplicate include detected: %s", fname);
1708 inc = malloc(sizeof(struct include_entry));
1710 err(1, "malloc of inc");
1711 inc->file = strdup(fname);
1714 printf("\t+ Adding %s to the processing queue.\n", fname);
1716 STAILQ_INSERT_TAIL(inclist, inc, inc_nextp);
1720 * Search for logfile and return its compression suffix (if supported)
1721 * The suffix detection is first-match in the order of compress_types
1723 * Note: if logfile without suffix exists (uncompressed, COMPRESS_NONE)
1724 * a zero-length string is returned
1727 get_logfile_suffix(const char *logfile)
1730 char zfile[MAXPATHLEN];
1733 for (c = 0; c < COMPRESS_TYPES; c++) {
1734 (void) strlcpy(zfile, logfile, MAXPATHLEN);
1735 (void) strlcat(zfile, compress_type[c].suffix, MAXPATHLEN);
1736 if (lstat(zfile, &st) == 0)
1737 return (compress_type[c].suffix);
1743 do_rotate(const struct conf_entry *ent)
1745 char dirpart[MAXPATHLEN], namepart[MAXPATHLEN];
1746 char file1[MAXPATHLEN], file2[MAXPATHLEN];
1747 char zfile1[MAXPATHLEN], zfile2[MAXPATHLEN];
1748 const char *logfile_suffix;
1749 char datetimestr[30];
1750 int flags, numlogs_c;
1751 fk_entry free_or_keep;
1752 struct sigwork_entry *swork;
1758 free_or_keep = FREE_ENT;
1763 /* build complete name of archive directory into dirpart */
1764 if (*archdirname == '/') { /* absolute */
1765 strlcpy(dirpart, archdirname, sizeof(dirpart));
1766 } else { /* relative */
1767 /* get directory part of logfile */
1768 strlcpy(dirpart, ent->log, sizeof(dirpart));
1769 if ((p = strrchr(dirpart, '/')) == NULL)
1773 strlcat(dirpart, archdirname, sizeof(dirpart));
1776 /* check if archive directory exists, if not, create it */
1777 if (lstat(dirpart, &st))
1778 createdir(ent, dirpart);
1780 /* get filename part of logfile */
1781 if ((p = strrchr(ent->log, '/')) == NULL)
1782 strlcpy(namepart, ent->log, sizeof(namepart));
1784 strlcpy(namepart, p + 1, sizeof(namepart));
1787 * Tell utility functions we are not using an archive
1791 strlcpy(namepart, ent->log, sizeof(namepart));
1794 /* Delete old logs */
1795 if (timefnamefmt != NULL)
1796 delete_oldest_timelog(ent, dirpart);
1799 * Handle cleaning up after legacy newsyslog where we
1800 * kept ent->numlogs + 1 files. This code can go away
1801 * at some point in the future.
1803 delete_classiclog(dirpart, namepart, ent->numlogs);
1805 if (ent->numlogs > 0)
1806 delete_classiclog(dirpart, namepart, ent->numlogs - 1);
1810 if (timefnamefmt != NULL) {
1811 /* If time functions fails we can't really do any sensible */
1812 if (time(&now) == (time_t)-1 ||
1813 localtime_r(&now, &tm) == NULL)
1814 bzero(&tm, sizeof(tm));
1816 strftime(datetimestr, sizeof(datetimestr), timefnamefmt, &tm);
1818 (void) snprintf(file1, sizeof(file1), "%s/%s.%s",
1819 dirpart, namepart, datetimestr);
1821 (void) snprintf(file1, sizeof(file1), "%s.%s",
1822 ent->log, datetimestr);
1824 /* Don't run the code to move down logs */
1827 gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart,
1829 numlogs_c = ent->numlogs - 2; /* copy for countdown */
1832 /* Move down log files */
1833 for (; numlogs_c >= 0; numlogs_c--) {
1834 (void) strlcpy(file2, file1, sizeof(file2));
1836 gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart,
1839 logfile_suffix = get_logfile_suffix(file1);
1840 if (logfile_suffix == NULL)
1842 (void) strlcpy(zfile1, file1, MAXPATHLEN);
1843 (void) strlcpy(zfile2, file2, MAXPATHLEN);
1844 (void) strlcat(zfile1, logfile_suffix, MAXPATHLEN);
1845 (void) strlcat(zfile2, logfile_suffix, MAXPATHLEN);
1848 printf("\tmv %s %s\n", zfile1, zfile2);
1850 /* XXX - Ought to be checking for failure! */
1851 (void)rename(zfile1, zfile2);
1852 change_attrs(zfile2, ent);
1853 if (ent->compress && !strlen(logfile_suffix)) {
1854 /* compress old rotation */
1855 struct zipwork_entry zwork;
1857 memset(&zwork, 0, sizeof(zwork));
1858 zwork.zw_conf = ent;
1859 zwork.zw_fsize = sizefile(zfile2);
1860 strcpy(zwork.zw_fname, zfile2);
1866 if (ent->numlogs > 0) {
1869 * Note that savelog() may succeed with using link()
1870 * for the archtodir case, but there is no good way
1871 * of knowing if it will when doing "noaction", so
1872 * here we claim that it will have to do a copy...
1875 printf("\tcp %s %s\n", ent->log, file1);
1877 printf("\tln %s %s\n", ent->log, file1);
1878 printf("\ttouch %s\t\t"
1879 "# Update mtime for 'when'-interval processing\n",
1882 if (!(flags & CE_BINARY)) {
1883 /* Report the trimming to the old log */
1884 log_trim(ent->log, ent);
1886 savelog(ent->log, file1);
1888 * Interval-based rotations are done using the mtime of
1889 * the most recently archived log, so make sure it gets
1890 * updated during a rotation.
1892 utimes(file1, NULL);
1894 change_attrs(file1, ent);
1897 /* Create the new log file and move it into place */
1899 printf("Start new log...\n");
1903 * Save all signalling and file-compression to be done after log
1904 * files from all entries have been rotated. This way any one
1905 * process will not be sent the same signal multiple times when
1906 * multiple log files had to be rotated.
1909 if (ent->pid_cmd_file != NULL)
1910 swork = save_sigwork(ent);
1911 if (ent->numlogs > 0 && ent->compress > COMPRESS_NONE) {
1912 if (!(ent->flags & CE_PLAIN0) ||
1913 strcmp(&file1[strlen(file1) - 2], ".0") != 0) {
1915 * The zipwork_entry will include a pointer to this
1916 * conf_entry, so the conf_entry should not be freed.
1918 free_or_keep = KEEP_ENT;
1919 save_zipwork(ent, swork, ent->fsize, file1);
1923 return (free_or_keep);
1927 do_sigwork(struct sigwork_entry *swork)
1929 struct sigwork_entry *nextsig;
1933 if (swork->sw_runcmd == 0 && (!(swork->sw_pidok) || swork->sw_pid == 0))
1934 return; /* no work to do... */
1937 * If nosignal (-s) was specified, then do not signal any process.
1938 * Note that a nosignal request triggers a warning message if the
1939 * rotated logfile needs to be compressed, *unless* -R was also
1940 * specified. We assume that an `-sR' request came from a process
1941 * which writes to the logfile, and as such, we assume that process
1942 * has already made sure the logfile is not presently in use. This
1943 * just sets swork->sw_pidok to a special value, and do_zipwork
1944 * will print any necessary warning(s).
1948 swork->sw_pidok = -1;
1953 * Compute the pause between consecutive signals. Use a longer
1954 * sleep time if we will be sending two signals to the same
1955 * daemon or process-group.
1958 nextsig = SLIST_NEXT(swork, sw_nextp);
1959 if (nextsig != NULL) {
1960 if (swork->sw_pid == nextsig->sw_pid)
1967 if (swork->sw_runcmd)
1968 printf("\tsh -c '%s %d'\n", swork->sw_fname,
1971 printf("\tkill -%d %d \t\t# %s\n", swork->sw_signum,
1972 (int)swork->sw_pid, swork->sw_fname);
1974 printf("\tsleep %d\n", secs);
1979 if (swork->sw_runcmd) {
1980 asprintf(&tmp, "%s %d", swork->sw_fname, swork->sw_signum);
1982 warn("can't allocate memory to run %s",
1987 printf("Run command: %s\n", tmp);
1990 warnx("%s: returned non-zero exit code: %d",
1997 kres = kill(swork->sw_pid, swork->sw_signum);
2000 * Assume that "no such process" (ESRCH) is something
2001 * to warn about, but is not an error. Presumably the
2002 * process which writes to the rotated log file(s) is
2003 * gone, in which case we should have no problem with
2004 * compressing the rotated log file(s).
2007 swork->sw_pidok = 0;
2008 warn("can't notify %s, pid %d = %s", swork->sw_pidtype,
2009 (int)swork->sw_pid, swork->sw_fname);
2012 printf("Notified %s pid %d = %s\n", swork->sw_pidtype,
2013 (int)swork->sw_pid, swork->sw_fname);
2016 printf("Pause %d second(s) between signals\n",
2024 do_zipwork(struct zipwork_entry *zwork)
2026 const char *pgm_name, *pgm_path;
2027 int errsav, fcount, zstatus;
2029 char zresult[MAXPATHLEN];
2030 char command[BUFSIZ];
2034 assert(zwork != NULL);
2036 strlcpy(zresult, zwork->zw_fname, sizeof(zresult));
2037 args = calloc(ARGS_NUM, sizeof(*args));
2040 if (zwork->zw_conf != NULL &&
2041 zwork->zw_conf->compress > COMPRESS_NONE)
2042 for (c = 1; c < COMPRESS_TYPES; c++) {
2043 if (zwork->zw_conf->compress == c) {
2044 pgm_path = compress_type[c].path;
2045 (void) strlcat(zresult,
2046 compress_type[c].suffix, sizeof(zresult));
2047 /* the first argument is always NULL, skip it */
2048 for (c = 1; c < ARGS_NUM; c++) {
2049 if (compress_type[c].args[c] == NULL)
2051 args[c] = compress_type[c].args[c];
2056 if (pgm_path == NULL) {
2057 warnx("invalid entry for %s in do_zipwork", zwork->zw_fname);
2060 pgm_name = strrchr(pgm_path, '/');
2061 if (pgm_name == NULL)
2062 pgm_name = pgm_path;
2066 args[0] = strdup(pgm_name);
2067 if (args[0] == NULL)
2069 for (c = 0; args[c] != NULL; c++)
2071 args[c] = zwork->zw_fname;
2073 if (zwork->zw_swork != NULL && zwork->zw_swork->sw_runcmd == 0 &&
2074 zwork->zw_swork->sw_pidok <= 0) {
2076 "log %s not compressed because daemon(s) not notified",
2078 change_attrs(zwork->zw_fname, zwork->zw_conf);
2082 strlcpy(command, pgm_path, sizeof(command));
2083 for (c = 1; args[c] != NULL; c++) {
2084 strlcat(command, " ", sizeof(command));
2085 strlcat(command, args[c], sizeof(command));
2088 printf("\t%s %s\n", pgm_name, zwork->zw_fname);
2089 change_attrs(zresult, zwork->zw_conf);
2094 printf("Executing: %s\n", command);
2098 while (pidzip < 0) {
2100 * The fork failed. If the failure was due to a temporary
2101 * problem, then wait a short time and try it again.
2104 warn("fork() for `%s %s'", pgm_name, zwork->zw_fname);
2105 if (errsav != EAGAIN || fcount > 5)
2106 errx(1, "Exiting...");
2112 /* The child process executes the compression command */
2113 execv(pgm_path, (char *const*) args);
2114 err(1, "execv(`%s')", command);
2117 wpid = waitpid(pidzip, &zstatus, 0);
2119 /* XXX - should this be a fatal error? */
2120 warn("%s: waitpid(%d)", pgm_path, pidzip);
2123 if (!WIFEXITED(zstatus)) {
2124 warnx("`%s' did not terminate normally", command);
2129 if (WEXITSTATUS(zstatus)) {
2130 warnx("`%s' terminated with a non-zero status (%d)", command,
2131 WEXITSTATUS(zstatus));
2139 /* Compression was successful, set file attributes on the result. */
2140 change_attrs(zresult, zwork->zw_conf);
2144 * Save information on any process we need to signal. Any single
2145 * process may need to be sent different signal-values for different
2146 * log files, but usually a single signal-value will cause the process
2147 * to close and re-open all of its log files.
2149 static struct sigwork_entry *
2150 save_sigwork(const struct conf_entry *ent)
2152 struct sigwork_entry *sprev, *stmp;
2158 SLIST_FOREACH(stmp, &swhead, sw_nextp) {
2159 ndiff = strcmp(ent->pid_cmd_file, stmp->sw_fname);
2163 if (ent->sig == stmp->sw_signum)
2165 if (ent->sig > stmp->sw_signum) {
2172 if (stmp != NULL && ndiff == 0)
2175 tmpsiz = sizeof(struct sigwork_entry) + strlen(ent->pid_cmd_file) + 1;
2176 stmp = malloc(tmpsiz);
2178 stmp->sw_runcmd = 0;
2179 /* If this is a command to run we just set the flag and run command */
2180 if (ent->flags & CE_PID2CMD) {
2183 stmp->sw_runcmd = 1;
2185 set_swpid(stmp, ent);
2187 stmp->sw_signum = ent->sig;
2188 strcpy(stmp->sw_fname, ent->pid_cmd_file);
2190 SLIST_INSERT_HEAD(&swhead, stmp, sw_nextp);
2192 SLIST_INSERT_AFTER(sprev, stmp, sw_nextp);
2197 * Save information on any file we need to compress. We may see the same
2198 * file multiple times, so check the full list to avoid duplicates. The
2199 * list itself is sorted smallest-to-largest, because that's the order we
2200 * want to compress the files. If the partition is very low on disk space,
2201 * then the smallest files are the most likely to compress, and compressing
2202 * them first will free up more space for the larger files.
2204 static struct zipwork_entry *
2205 save_zipwork(const struct conf_entry *ent, const struct sigwork_entry *swork,
2206 int zsize, const char *zipfname)
2208 struct zipwork_entry *zprev, *ztmp;
2212 /* Compute the size if the caller did not know it. */
2214 zsize = sizefile(zipfname);
2218 SLIST_FOREACH(ztmp, &zwhead, zw_nextp) {
2219 ndiff = strcmp(zipfname, ztmp->zw_fname);
2222 if (zsize > ztmp->zw_fsize)
2225 if (ztmp != NULL && ndiff == 0)
2228 tmpsiz = sizeof(struct zipwork_entry) + strlen(zipfname) + 1;
2229 ztmp = malloc(tmpsiz);
2230 ztmp->zw_conf = ent;
2231 ztmp->zw_swork = swork;
2232 ztmp->zw_fsize = zsize;
2233 strcpy(ztmp->zw_fname, zipfname);
2235 SLIST_INSERT_HEAD(&zwhead, ztmp, zw_nextp);
2237 SLIST_INSERT_AFTER(zprev, ztmp, zw_nextp);
2241 /* Send a signal to the pid specified by pidfile */
2243 set_swpid(struct sigwork_entry *swork, const struct conf_entry *ent)
2246 long minok, maxok, rval;
2247 char *endp, *linep, line[BUFSIZ];
2251 swork->sw_pidok = 0;
2253 swork->sw_pidtype = "daemon";
2254 if (ent->flags & CE_SIGNALGROUP) {
2256 * If we are expected to signal a process-group when
2257 * rotating this logfile, then the value read in should
2258 * be the negative of a valid process ID.
2262 swork->sw_pidtype = "process-group";
2265 f = fopen(ent->pid_cmd_file, "r");
2267 if (errno == ENOENT && enforcepid == 0) {
2269 * Warn if the PID file doesn't exist, but do
2270 * not consider it an error. Most likely it
2271 * means the process has been terminated,
2272 * so it should be safe to rotate any log
2273 * files that the process would have been using.
2275 swork->sw_pidok = 1;
2276 warnx("pid file doesn't exist: %s", ent->pid_cmd_file);
2278 warn("can't open pid file: %s", ent->pid_cmd_file);
2282 if (fgets(line, BUFSIZ, f) == NULL) {
2284 * Warn if the PID file is empty, but do not consider
2285 * it an error. Most likely it means the process has
2286 * has terminated, so it should be safe to rotate any
2287 * log files that the process would have been using.
2289 if (feof(f) && enforcepid == 0) {
2290 swork->sw_pidok = 1;
2291 warnx("pid/cmd file is empty: %s", ent->pid_cmd_file);
2293 warn("can't read from pid file: %s", ent->pid_cmd_file);
2301 while (*linep == ' ')
2303 rval = strtol(linep, &endp, 10);
2304 if (*endp != '\0' && !isspacech(*endp)) {
2305 warnx("pid file does not start with a valid number: %s",
2307 } else if (rval < minok || rval > maxok) {
2308 warnx("bad value '%ld' for process number in %s",
2309 rval, ent->pid_cmd_file);
2311 warnx("\t(expecting value between %ld and %ld)",
2314 swork->sw_pidok = 1;
2315 swork->sw_pid = rval;
2321 /* Log the fact that the logs were turned over */
2323 log_trim(const char *logname, const struct conf_entry *log_ent)
2328 if ((f = fopen(logname, "a")) == NULL)
2331 if (log_ent->def_cfg)
2332 xtra = " using <default> rule";
2333 if (log_ent->flags & CE_RFC5424) {
2334 if (log_ent->firstcreate) {
2335 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n",
2336 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2337 daytime_rfc5424, hostname, getpid(),
2338 "logfile first created", xtra);
2339 } else if (log_ent->r_reason != NULL) {
2340 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s%s\n",
2341 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2342 daytime_rfc5424, hostname, getpid(),
2343 "logfile turned over", log_ent->r_reason, xtra);
2345 fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n",
2346 LOG_MAKEPRI(LOG_USER, LOG_INFO),
2347 daytime_rfc5424, hostname, getpid(),
2348 "logfile turned over", xtra);
2351 if (log_ent->firstcreate)
2352 fprintf(f, "%s %s newsyslog[%d]: logfile first created%s\n",
2353 daytime, hostname, getpid(), xtra);
2354 else if (log_ent->r_reason != NULL)
2355 fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s%s\n",
2356 daytime, hostname, getpid(), log_ent->r_reason, xtra);
2358 fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s\n",
2359 daytime, hostname, getpid(), xtra);
2361 if (fclose(f) == EOF)
2362 err(1, "log_trim: fclose");
2366 /* Return size in kilobytes of a file */
2368 sizefile(const char *file)
2372 if (stat(file, &sb) < 0)
2374 return (kbytes(sb.st_size));
2378 * Return the mtime of the most recent archive of the logfile, using timestamp
2382 mtime_old_timelog(const char *file)
2390 char *logfname, *logfnamebuf, *dir, *dirbuf;
2394 if ((dirbuf = strdup(file)) == NULL) {
2395 warn("strdup() of '%s'", file);
2398 dir = dirname(dirbuf);
2399 if ((logfnamebuf = strdup(file)) == NULL) {
2400 warn("strdup() of '%s'", file);
2404 logfname = basename(logfnamebuf);
2405 if (logfname[0] == '/') {
2406 warnx("Invalid log filename '%s'", logfname);
2410 if ((dirp = opendir(dir)) == NULL) {
2411 warn("Cannot open log directory '%s'", dir);
2414 dir_fd = dirfd(dirp);
2415 /* Open the archive dir and find the most recent archive of logfname. */
2416 while ((dp = readdir(dirp)) != NULL) {
2417 if (validate_old_timelog(dir_fd, dp, logfname, &tm) == 0)
2420 if (fstatat(dir_fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
2421 warn("Cannot stat '%s'", file);
2424 if (t < sb.st_mtime)
2435 /* Return the age in hours of the most recent archive of the logfile. */
2437 age_old_log(const char *file)
2440 const char *logfile_suffix;
2441 char tmp[MAXPATHLEN + sizeof(".0") + COMPRESS_SUFFIX_MAXLEN + 1];
2447 /* build name of archive directory into tmp */
2448 if (*archdirname == '/') { /* absolute */
2449 strlcpy(tmp, archdirname, sizeof(tmp));
2450 } else { /* relative */
2451 /* get directory part of logfile */
2452 strlcpy(tmp, file, sizeof(tmp));
2453 if ((p = strrchr(tmp, '/')) == NULL)
2457 strlcat(tmp, archdirname, sizeof(tmp));
2460 strlcat(tmp, "/", sizeof(tmp));
2462 /* get filename part of logfile */
2463 if ((p = strrchr(file, '/')) == NULL)
2464 strlcat(tmp, file, sizeof(tmp));
2466 strlcat(tmp, p + 1, sizeof(tmp));
2468 (void) strlcpy(tmp, file, sizeof(tmp));
2471 if (timefnamefmt != NULL) {
2472 mtime = mtime_old_timelog(tmp);
2476 strlcat(tmp, ".0", sizeof(tmp));
2477 logfile_suffix = get_logfile_suffix(tmp);
2478 if (logfile_suffix == NULL)
2480 (void) strlcat(tmp, logfile_suffix, sizeof(tmp));
2481 if (stat(tmp, &sb) < 0)
2483 mtime = sb.st_mtime;
2486 return ((int)(ptimeget_secs(timenow) - mtime + 1800) / 3600);
2489 /* Skip Over Blanks */
2493 while (p && *p && isspace(*p))
2498 /* Skip Over Non-Blanks */
2502 while (p && *p && !isspace(*p))
2507 /* Check if string is actually a number */
2509 isnumberstr(const char *string)
2512 if (!isdigitch(*string++))
2518 /* Check if string contains a glob */
2520 isglobstr(const char *string)
2524 while ((chr = *string++)) {
2525 if (chr == '*' || chr == '?' || chr == '[')
2532 * Save the active log file under a new name. A link to the new name
2533 * is the quick-and-easy way to do this. If that fails (which it will
2534 * if the destination is on another partition), then make a copy of
2535 * the file to the new location.
2538 savelog(char *from, char *to)
2543 res = link(from, to);
2547 if ((src = fopen(from, "r")) == NULL)
2548 err(1, "can't fopen %s for reading", from);
2549 if ((dst = fopen(to, "w")) == NULL)
2550 err(1, "can't fopen %s for writing", to);
2552 while ((c = getc(src)) != EOF) {
2553 if ((putc(c, dst)) == EOF)
2554 err(1, "error writing to %s", to);
2558 err(1, "error reading from %s", from);
2559 if ((fclose(src)) != 0)
2560 err(1, "can't fclose %s", to);
2561 if ((fclose(dst)) != 0)
2562 err(1, "can't fclose %s", from);
2565 /* create one or more directory components of a path */
2567 createdir(const struct conf_entry *ent, char *dirpart)
2571 char mkdirpath[MAXPATHLEN];
2579 if (*s != '/' && *s != '\0')
2582 res = lstat(mkdirpath, &st);
2585 printf("\tmkdir %s\n", mkdirpath);
2587 res = mkdir(mkdirpath, 0755);
2589 err(1, "Error on mkdir(\"%s\") for -a",
2597 if (ent->firstcreate)
2598 printf("Created directory '%s' for new %s\n",
2601 printf("Created directory '%s' for -a\n", dirpart);
2606 * Create a new log file, destroying any currently-existing version
2607 * of the log file in the process. If the caller wants a backup copy
2608 * of the file to exist, they should call 'link(logfile,logbackup)'
2609 * before calling this routine.
2612 createlog(const struct conf_entry *ent)
2616 char *realfile, *slash, tempfile[MAXPATHLEN];
2619 realfile = ent->log;
2622 * If this log file is being created for the first time (-C option),
2623 * then it may also be true that the parent directory does not exist
2624 * yet. Check, and create that directory if it is missing.
2626 if (ent->firstcreate) {
2627 strlcpy(tempfile, realfile, sizeof(tempfile));
2628 slash = strrchr(tempfile, '/');
2629 if (slash != NULL) {
2631 failed = stat(tempfile, &st);
2632 if (failed && errno != ENOENT)
2633 err(1, "Error on stat(%s)", tempfile);
2635 createdir(ent, tempfile);
2636 else if (!S_ISDIR(st.st_mode))
2637 errx(1, "%s exists but is not a directory",
2643 * First create an unused filename, so it can be chown'ed and
2644 * chmod'ed before it is moved into the real location. mkstemp
2645 * will create the file mode=600 & owned by us. Note that all
2646 * temp files will have a suffix of '.z<something>'.
2648 strlcpy(tempfile, realfile, sizeof(tempfile));
2649 strlcat(tempfile, ".zXXXXXX", sizeof(tempfile));
2651 printf("\tmktemp %s\n", tempfile);
2653 fd = mkstemp(tempfile);
2655 err(1, "can't mkstemp logfile %s", tempfile);
2658 * Add status message to what will become the new log file.
2660 if (!(ent->flags & CE_BINARY)) {
2661 if (log_trim(tempfile, ent))
2662 err(1, "can't add status message to log");
2666 /* Change the owner/group, if we are supposed to */
2667 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) {
2669 printf("\tchown %u:%u %s\n", ent->uid, ent->gid,
2672 failed = fchown(fd, ent->uid, ent->gid);
2674 err(1, "can't fchown temp file %s", tempfile);
2678 /* Turn on NODUMP if it was requested in the config-file. */
2679 if (ent->flags & CE_NODUMP) {
2681 printf("\tchflags nodump %s\n", tempfile);
2683 failed = fchflags(fd, UF_NODUMP);
2685 warn("log_trim: fchflags(NODUMP)");
2691 * Note that if the real logfile still exists, and if the call
2692 * to rename() fails, then "neither the old file nor the new
2693 * file shall be changed or created" (to quote the standard).
2694 * If the call succeeds, then the file will be replaced without
2695 * any window where some other process might find that the file
2697 * XXX - ? It may be that for some error conditions, we could
2698 * retry by first removing the realfile and then renaming.
2701 printf("\tchmod %o %s\n", ent->permissions, tempfile);
2702 printf("\tmv %s %s\n", tempfile, realfile);
2704 failed = fchmod(fd, ent->permissions);
2706 err(1, "can't fchmod temp file '%s'", tempfile);
2707 failed = rename(tempfile, realfile);
2709 err(1, "can't mv %s to %s", tempfile, realfile);
2717 * Change the attributes of a given filename to what was specified in
2718 * the newsyslog.conf entry. This routine is only called for files
2719 * that newsyslog expects that it has created, and thus it is a fatal
2720 * error if this routine finds that the file does not exist.
2723 change_attrs(const char *fname, const struct conf_entry *ent)
2728 printf("\tchmod %o %s\n", ent->permissions, fname);
2730 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1)
2731 printf("\tchown %u:%u %s\n",
2732 ent->uid, ent->gid, fname);
2734 if (ent->flags & CE_NODUMP)
2735 printf("\tchflags nodump %s\n", fname);
2739 failed = chmod(fname, ent->permissions);
2742 err(1, "chmod(%s) in change_attrs", fname);
2743 warn("change_attrs couldn't chmod(%s)", fname);
2746 if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) {
2747 failed = chown(fname, ent->uid, ent->gid);
2749 warn("can't chown %s", fname);
2752 if (ent->flags & CE_NODUMP) {
2753 failed = chflags(fname, UF_NODUMP);
2755 warn("can't chflags %s NODUMP", fname);
2760 * Parse a signal number or signal name. Returns the signal number parsed or -1
2764 parse_signal(const char *str)
2769 sig = strtonum(str, 1, sys_nsig - 1, &errstr);
2773 if (strncasecmp(str, "SIG", 3) == 0)
2776 for (i = 1; i < sys_nsig; i++) {
2777 if (strcasecmp(str, sys_signame[i]) == 0)