1996-01-05 09:28:11 +00:00
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/*
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* This file contains changes from the Open Software Foundation.
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*/
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/*
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Copyright 1988, 1989 by the Massachusetts Institute of Technology
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is
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hereby granted, provided that the above copyright notice
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appear in all copies and that both that copyright notice and
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this permission notice appear in supporting documentation,
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and that the names of M.I.T. and the M.I.T. S.I.P.B. not be
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used in advertising or publicity pertaining to distribution
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of the software without specific, written prior permission.
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M.I.T. and the M.I.T. S.I.P.B. make no representations about
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the suitability of this software for any purpose. It is
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provided "as is" without express or implied warranty.
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*/
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/*
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* newsyslog - roll over selected logs at the appropriate time,
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* keeping the a specified number of backup files around.
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*/
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#ifndef lint
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1997-10-06 07:46:08 +00:00
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static const char rcsid[] =
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1998-12-23 12:03:33 +00:00
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"$Id: newsyslog.c,v 1.20 1998/06/09 18:24:04 ache Exp $";
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1996-01-05 09:28:11 +00:00
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#endif /* not lint */
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#ifndef CONF
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#define CONF "/etc/athena/newsyslog.conf" /* Configuration file */
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#endif
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#ifndef PIDFILE
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#define PIDFILE "/etc/syslog.pid"
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#endif
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1996-01-16 10:32:04 +00:00
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#ifndef COMPRESS_PATH
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#define COMPRESS_PATH "/usr/ucb/compress" /* File compression program */
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#endif
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#ifndef COMPRESS_PROG
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#define COMPRESS_PROG "compress"
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1996-01-05 09:28:11 +00:00
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#endif
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#ifndef COMPRESS_POSTFIX
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#define COMPRESS_POSTFIX ".Z"
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#endif
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1997-10-06 07:46:08 +00:00
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <pwd.h>
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#include <signal.h>
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1996-01-05 09:28:11 +00:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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1996-06-08 23:32:10 +00:00
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#include <unistd.h>
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1996-01-05 09:28:11 +00:00
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <sys/wait.h>
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#define kbytes(size) (((size) + 1023) >> 10)
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#ifdef _IBMR2
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/* Calculates (db * DEV_BSIZE) */
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#define dbtob(db) ((unsigned)(db) << UBSHIFT)
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#endif
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#define CE_COMPACT 1 /* Compact the achived log files */
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1996-01-16 10:32:04 +00:00
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#define CE_BINARY 2 /* Logfile is in binary, don't add */
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1996-01-05 09:28:11 +00:00
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/* status messages */
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#define NONE -1
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struct conf_entry {
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char *log; /* Name of the log */
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1997-05-04 01:53:53 +00:00
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char *pid_file; /* PID file */
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1996-01-05 09:28:11 +00:00
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int uid; /* Owner of log */
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int gid; /* Group of log */
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int numlogs; /* Number of logs to keep */
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int size; /* Size cutoff to trigger trimming the log */
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int hours; /* Hours between log trimming */
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int permissions; /* File permissions on the log */
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int flags; /* Flags (CE_COMPACT & CE_BINARY) */
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1998-06-09 18:24:04 +00:00
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int sig; /* Signal to send */
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1996-01-05 09:28:11 +00:00
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struct conf_entry *next; /* Linked list pointer */
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};
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int verbose = 0; /* Print out what's going on */
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int needroot = 1; /* Root privs are necessary */
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int noaction = 0; /* Don't do anything, just show it */
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1998-05-10 18:47:50 +00:00
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int force = 0; /* Force the trim no matter what*/
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1996-01-05 09:28:11 +00:00
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char *conf = CONF; /* Configuration file to use */
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time_t timenow;
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1997-05-04 01:53:53 +00:00
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#define MIN_PID 5
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1998-12-23 12:03:33 +00:00
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#define MAX_PID 99999 /* was lower, see /usr/include/sys/proc.h */
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1996-01-16 10:32:04 +00:00
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char hostname[MAXHOSTNAMELEN+1]; /* hostname */
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1996-01-05 09:28:11 +00:00
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char *daytime; /* timenow in human readable form */
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1996-06-08 23:32:10 +00:00
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#ifndef OSF
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char *strdup(char *strp);
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#endif
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1996-01-05 09:28:11 +00:00
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1996-06-08 23:32:10 +00:00
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static struct conf_entry *parse_file();
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static char *sob(char *p);
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static char *son(char *p);
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static char *missing_field(char *p,char *errline);
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static void do_entry(struct conf_entry *ent);
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static void PRS(int argc,char **argv);
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static void usage();
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1998-06-09 18:24:04 +00:00
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static void dotrim(char *log,char *pid_file,int numdays,int falgs,int perm,int owner_uid,int group_gid,int sig);
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1996-06-08 23:32:10 +00:00
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static int log_trim(char *log);
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static void compress_log(char *log);
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static int sizefile(char *file);
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static int age_old_log(char *file);
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1997-05-04 01:53:53 +00:00
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static pid_t get_pid(char *pid_file);
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1996-06-08 23:32:10 +00:00
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int main(argc,argv)
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1996-01-05 09:28:11 +00:00
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int argc;
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char **argv;
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{
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struct conf_entry *p, *q;
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PRS(argc,argv);
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1997-10-06 07:46:08 +00:00
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if (needroot && getuid() && geteuid())
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errx(1, "must have root privs");
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1996-01-05 09:28:11 +00:00
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p = q = parse_file();
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1997-05-04 01:53:53 +00:00
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1996-01-05 09:28:11 +00:00
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while (p) {
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do_entry(p);
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p=p->next;
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free((char *) q);
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q=p;
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}
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1996-06-08 23:32:10 +00:00
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return(0);
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1996-01-05 09:28:11 +00:00
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}
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1996-06-08 23:32:10 +00:00
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static void do_entry(ent)
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1996-01-05 09:28:11 +00:00
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struct conf_entry *ent;
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{
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int size, modtime;
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1998-05-10 21:13:29 +00:00
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char *pid_file;
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1996-01-05 09:28:11 +00:00
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if (verbose) {
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if (ent->flags & CE_COMPACT)
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printf("%s <%dZ>: ",ent->log,ent->numlogs);
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else
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printf("%s <%d>: ",ent->log,ent->numlogs);
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}
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size = sizefile(ent->log);
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modtime = age_old_log(ent->log);
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if (size < 0) {
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if (verbose)
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printf("does not exist.\n");
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} else {
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if (verbose && (ent->size > 0))
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printf("size (Kb): %d [%d] ", size, ent->size);
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if (verbose && (ent->hours > 0))
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printf(" age (hr): %d [%d] ", modtime, ent->hours);
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1998-03-14 22:28:25 +00:00
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if (force || ((ent->size > 0) && (size >= ent->size)) ||
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1996-01-05 09:28:11 +00:00
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((ent->hours > 0) && ((modtime >= ent->hours)
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|| (modtime < 0)))) {
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if (verbose)
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printf("--> trimming log....\n");
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if (noaction && !verbose) {
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if (ent->flags & CE_COMPACT)
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1998-05-10 21:13:29 +00:00
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printf("%s <%dZ>: trimming\n",
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1996-01-05 09:28:11 +00:00
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ent->log,ent->numlogs);
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else
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1998-05-10 21:13:29 +00:00
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printf("%s <%d>: trimming\n",
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1996-01-05 09:28:11 +00:00
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ent->log,ent->numlogs);
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}
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1998-05-10 21:13:29 +00:00
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if (ent->pid_file) {
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pid_file = ent->pid_file;
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} else {
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/* Only try to notify syslog if we are root */
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if (needroot)
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pid_file = PIDFILE;
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else
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pid_file = NULL;
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}
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dotrim(ent->log, pid_file, ent->numlogs,
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1998-06-09 18:24:04 +00:00
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ent->flags, ent->permissions, ent->uid, ent->gid, ent->sig);
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1996-01-05 09:28:11 +00:00
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} else {
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if (verbose)
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printf("--> skipping\n");
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}
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}
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}
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1996-06-08 23:32:10 +00:00
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static void PRS(argc,argv)
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1996-01-05 09:28:11 +00:00
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int argc;
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char **argv;
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{
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int c;
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char *p;
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timenow = time((time_t *) 0);
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daytime = ctime(&timenow) + 4;
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1996-01-09 08:40:08 +00:00
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daytime[15] = '\0';
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1996-01-05 09:28:11 +00:00
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/* Let's get our hostname */
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(void) gethostname(hostname, sizeof(hostname));
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/* Truncate domain */
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1996-06-08 23:32:10 +00:00
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if ((p = strchr(hostname, '.'))) {
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1996-01-05 09:28:11 +00:00
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*p = '\0';
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}
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optind = 1; /* Start options parsing */
|
1998-03-14 22:28:25 +00:00
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while ((c=getopt(argc,argv,"nrvFf:t:")) != -1)
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1996-01-05 09:28:11 +00:00
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switch (c) {
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case 'n':
|
1998-05-10 21:13:29 +00:00
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noaction++;
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break;
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1996-01-05 09:28:11 +00:00
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case 'r':
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needroot = 0;
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break;
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case 'v':
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verbose++;
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break;
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case 'f':
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conf = optarg;
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break;
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1998-03-14 22:28:25 +00:00
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case 'F':
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force++;
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break;
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1996-01-05 09:28:11 +00:00
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default:
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usage();
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}
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}
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1996-06-08 23:32:10 +00:00
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static void usage()
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1996-01-05 09:28:11 +00:00
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{
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1998-05-10 19:04:06 +00:00
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fprintf(stderr, "usage: newsyslog [-Fnrv] [-f config-file]\n");
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1996-01-05 09:28:11 +00:00
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exit(1);
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}
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/* Parse a configuration file and return a linked list of all the logs
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* to process
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*/
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1996-06-08 23:32:10 +00:00
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static struct conf_entry *parse_file()
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1996-01-05 09:28:11 +00:00
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{
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FILE *f;
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char line[BUFSIZ], *parse, *q;
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char *errline, *group;
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struct conf_entry *first = NULL;
|
1996-06-07 16:27:28 +00:00
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struct conf_entry *working = NULL;
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1996-01-05 09:28:11 +00:00
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struct passwd *pass;
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struct group *grp;
|
1997-05-06 23:11:06 +00:00
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int eol;
|
1996-01-05 09:28:11 +00:00
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if (strcmp(conf,"-"))
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f = fopen(conf,"r");
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else
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f = stdin;
|
1996-01-16 10:32:04 +00:00
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|
if (!f)
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err(1, "%s", conf);
|
1996-01-05 09:28:11 +00:00
|
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|
while (fgets(line,BUFSIZ,f)) {
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|
|
if ((line[0]== '\n') || (line[0] == '#'))
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continue;
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errline = strdup(line);
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|
|
if (!first) {
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|
working = (struct conf_entry *) malloc(sizeof(struct conf_entry));
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first = working;
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|
} else {
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|
working->next = (struct conf_entry *) malloc(sizeof(struct conf_entry));
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working = working->next;
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}
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q = parse = missing_field(sob(line),errline);
|
1997-05-06 23:11:06 +00:00
|
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parse = son(line);
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|
|
if (!*parse)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "malformed line (missing fields):\n%s", errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
*parse = '\0';
|
1996-01-05 09:28:11 +00:00
|
|
|
working->log = strdup(q);
|
|
|
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|
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|
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q = parse = missing_field(sob(++parse),errline);
|
1997-05-06 23:11:06 +00:00
|
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|
parse = son(parse);
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|
|
if (!*parse)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "malformed line (missing fields):\n%s", errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
*parse = '\0';
|
1996-01-05 09:28:11 +00:00
|
|
|
if ((group = strchr(q, '.')) != NULL) {
|
|
|
|
*group++ = '\0';
|
|
|
|
if (*q) {
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|
|
|
if (!(isnumber(*q))) {
|
1996-01-16 10:32:04 +00:00
|
|
|
if ((pass = getpwnam(q)) == NULL)
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|
|
errx(1,
|
1997-10-06 07:46:08 +00:00
|
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|
"error in config file; unknown user:\n%s",
|
1996-01-16 10:32:04 +00:00
|
|
|
errline);
|
1996-01-05 09:28:11 +00:00
|
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|
working->uid = pass->pw_uid;
|
|
|
|
} else
|
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|
working->uid = atoi(q);
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|
|
|
} else
|
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|
|
working->uid = NONE;
|
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|
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|
q = group;
|
|
|
|
if (*q) {
|
|
|
|
if (!(isnumber(*q))) {
|
1996-01-16 10:32:04 +00:00
|
|
|
if ((grp = getgrnam(q)) == NULL)
|
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|
|
errx(1,
|
1997-10-06 07:46:08 +00:00
|
|
|
"error in config file; unknown group:\n%s",
|
1996-01-16 10:32:04 +00:00
|
|
|
errline);
|
1996-01-05 09:28:11 +00:00
|
|
|
working->gid = grp->gr_gid;
|
|
|
|
} else
|
|
|
|
working->gid = atoi(q);
|
|
|
|
} else
|
|
|
|
working->gid = NONE;
|
|
|
|
|
|
|
|
q = parse = missing_field(sob(++parse),errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
parse = son(parse);
|
|
|
|
if (!*parse)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "malformed line (missing fields):\n%s", errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
*parse = '\0';
|
1996-01-05 09:28:11 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
working->uid = working->gid = NONE;
|
|
|
|
|
1996-01-16 10:32:04 +00:00
|
|
|
if (!sscanf(q,"%o",&working->permissions))
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "error in config file; bad permissions:\n%s",
|
1996-01-16 10:32:04 +00:00
|
|
|
errline);
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
q = parse = missing_field(sob(++parse),errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
parse = son(parse);
|
|
|
|
if (!*parse)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "malformed line (missing fields):\n%s", errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
*parse = '\0';
|
1996-01-16 10:32:04 +00:00
|
|
|
if (!sscanf(q,"%d",&working->numlogs))
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "error in config file; bad number:\n%s",
|
1996-01-16 10:32:04 +00:00
|
|
|
errline);
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
q = parse = missing_field(sob(++parse),errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
parse = son(parse);
|
|
|
|
if (!*parse)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "malformed line (missing fields):\n%s", errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
*parse = '\0';
|
1996-01-05 09:28:11 +00:00
|
|
|
if (isdigit(*q))
|
|
|
|
working->size = atoi(q);
|
|
|
|
else
|
|
|
|
working->size = -1;
|
|
|
|
|
|
|
|
q = parse = missing_field(sob(++parse),errline);
|
1997-05-06 23:11:06 +00:00
|
|
|
parse = son(parse);
|
|
|
|
eol = !*parse;
|
|
|
|
*parse = '\0';
|
1996-01-05 09:28:11 +00:00
|
|
|
if (isdigit(*q))
|
|
|
|
working->hours = atoi(q);
|
|
|
|
else
|
|
|
|
working->hours = -1;
|
|
|
|
|
1997-05-06 23:11:06 +00:00
|
|
|
if (eol)
|
|
|
|
q = NULL;
|
|
|
|
else {
|
|
|
|
q = parse = sob(++parse); /* Optional field */
|
|
|
|
parse = son(parse);
|
|
|
|
if (!*parse)
|
|
|
|
eol = 1;
|
|
|
|
*parse = '\0';
|
|
|
|
}
|
1997-05-04 01:53:53 +00:00
|
|
|
|
1996-01-05 09:28:11 +00:00
|
|
|
working->flags = 0;
|
|
|
|
while (q && *q && !isspace(*q)) {
|
|
|
|
if ((*q == 'Z') || (*q == 'z'))
|
|
|
|
working->flags |= CE_COMPACT;
|
|
|
|
else if ((*q == 'B') || (*q == 'b'))
|
|
|
|
working->flags |= CE_BINARY;
|
1997-05-06 23:11:06 +00:00
|
|
|
else if (*q != '-')
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "illegal flag in config file -- %c", *q);
|
1996-01-05 09:28:11 +00:00
|
|
|
q++;
|
|
|
|
}
|
|
|
|
|
1997-05-06 23:11:06 +00:00
|
|
|
if (eol)
|
|
|
|
q = NULL;
|
|
|
|
else {
|
|
|
|
q = parse = sob(++parse); /* Optional field */
|
1998-06-09 18:24:04 +00:00
|
|
|
parse = son(parse);
|
|
|
|
if (!*parse)
|
|
|
|
eol = 1;
|
|
|
|
*parse = '\0';
|
1997-05-06 23:11:06 +00:00
|
|
|
}
|
1997-05-04 01:53:53 +00:00
|
|
|
|
|
|
|
working->pid_file = NULL;
|
|
|
|
if (q && *q) {
|
|
|
|
if (*q == '/')
|
|
|
|
working->pid_file = strdup(q);
|
1998-06-09 18:24:04 +00:00
|
|
|
else if (isdigit(*q))
|
|
|
|
goto got_sig;
|
1997-05-04 01:53:53 +00:00
|
|
|
else
|
1998-06-09 18:24:04 +00:00
|
|
|
errx(1, "illegal pid file or signal number in config file:\n%s", errline);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (eol)
|
|
|
|
q = NULL;
|
|
|
|
else {
|
|
|
|
q = parse = sob(++parse); /* Optional field */
|
|
|
|
*(parse = son(parse)) = '\0';
|
|
|
|
}
|
|
|
|
|
|
|
|
working->sig = SIGHUP;
|
|
|
|
if (q && *q) {
|
|
|
|
if (isdigit(*q)) {
|
|
|
|
got_sig:
|
|
|
|
working->sig = atoi(q);
|
|
|
|
} else {
|
|
|
|
err_sig:
|
|
|
|
errx(1, "illegal signal number in config file:\n%s", errline);
|
|
|
|
}
|
|
|
|
if (working->sig < 1 || working->sig >= NSIG)
|
|
|
|
goto err_sig;
|
1997-05-04 01:53:53 +00:00
|
|
|
}
|
|
|
|
|
1996-01-05 09:28:11 +00:00
|
|
|
free(errline);
|
|
|
|
}
|
|
|
|
if (working)
|
|
|
|
working->next = (struct conf_entry *) NULL;
|
|
|
|
(void) fclose(f);
|
|
|
|
return(first);
|
|
|
|
}
|
|
|
|
|
1996-06-08 23:32:10 +00:00
|
|
|
static char *missing_field(p,errline)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *p,*errline;
|
|
|
|
{
|
1996-01-16 10:32:04 +00:00
|
|
|
if (!p || !*p)
|
1997-10-06 07:46:08 +00:00
|
|
|
errx(1, "missing field in config file:\n%s", errline);
|
1996-01-05 09:28:11 +00:00
|
|
|
return(p);
|
|
|
|
}
|
|
|
|
|
1998-06-09 18:24:04 +00:00
|
|
|
static void dotrim(log,pid_file,numdays,flags,perm,owner_uid,group_gid,sig)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *log;
|
1997-05-04 01:53:53 +00:00
|
|
|
char *pid_file;
|
1996-01-05 09:28:11 +00:00
|
|
|
int numdays;
|
|
|
|
int flags;
|
|
|
|
int perm;
|
|
|
|
int owner_uid;
|
|
|
|
int group_gid;
|
1998-06-09 18:24:04 +00:00
|
|
|
int sig;
|
1996-01-05 09:28:11 +00:00
|
|
|
{
|
1996-01-16 10:32:04 +00:00
|
|
|
char file1 [MAXPATHLEN+1], file2 [MAXPATHLEN+1];
|
|
|
|
char zfile1[MAXPATHLEN+1], zfile2[MAXPATHLEN+1];
|
1997-05-04 01:53:53 +00:00
|
|
|
int notified, need_notification, fd, _numdays;
|
1996-01-05 09:28:11 +00:00
|
|
|
struct stat st;
|
1997-05-04 01:53:53 +00:00
|
|
|
pid_t pid;
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
#ifdef _IBMR2
|
|
|
|
/* AIX 3.1 has a broken fchown- if the owner_uid is -1, it will actually */
|
|
|
|
/* change it to be owned by uid -1, instead of leaving it as is, as it is */
|
|
|
|
/* supposed to. */
|
|
|
|
if (owner_uid == -1)
|
|
|
|
owner_uid = geteuid();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Remove oldest log */
|
|
|
|
(void) sprintf(file1,"%s.%d",log,numdays);
|
|
|
|
(void) strcpy(zfile1, file1);
|
|
|
|
(void) strcat(zfile1, COMPRESS_POSTFIX);
|
|
|
|
|
|
|
|
if (noaction) {
|
|
|
|
printf("rm -f %s\n", file1);
|
|
|
|
printf("rm -f %s\n", zfile1);
|
|
|
|
} else {
|
|
|
|
(void) unlink(file1);
|
|
|
|
(void) unlink(zfile1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Move down log files */
|
1996-09-09 15:32:26 +00:00
|
|
|
_numdays = numdays; /* preserve */
|
1996-01-05 09:28:11 +00:00
|
|
|
while (numdays--) {
|
|
|
|
(void) strcpy(file2,file1);
|
|
|
|
(void) sprintf(file1,"%s.%d",log,numdays);
|
|
|
|
(void) strcpy(zfile1, file1);
|
|
|
|
(void) strcpy(zfile2, file2);
|
|
|
|
if (lstat(file1, &st)) {
|
|
|
|
(void) strcat(zfile1, COMPRESS_POSTFIX);
|
|
|
|
(void) strcat(zfile2, COMPRESS_POSTFIX);
|
1997-05-04 01:53:53 +00:00
|
|
|
if (lstat(zfile1, &st)) continue;
|
1996-01-05 09:28:11 +00:00
|
|
|
}
|
|
|
|
if (noaction) {
|
|
|
|
printf("mv %s %s\n",zfile1,zfile2);
|
|
|
|
printf("chmod %o %s\n", perm, zfile2);
|
|
|
|
printf("chown %d.%d %s\n",
|
|
|
|
owner_uid, group_gid, zfile2);
|
|
|
|
} else {
|
|
|
|
(void) rename(zfile1, zfile2);
|
|
|
|
(void) chmod(zfile2, perm);
|
|
|
|
(void) chown(zfile2, owner_uid, group_gid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!noaction && !(flags & CE_BINARY))
|
|
|
|
(void) log_trim(log); /* Report the trimming to the old log */
|
|
|
|
|
1996-09-09 15:32:26 +00:00
|
|
|
if (!_numdays) {
|
1996-09-06 06:36:07 +00:00
|
|
|
if (noaction)
|
|
|
|
printf("rm %s\n",log);
|
|
|
|
else
|
|
|
|
(void)unlink(log);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
if (noaction)
|
|
|
|
printf("mv %s to %s\n",log,file1);
|
|
|
|
else
|
|
|
|
(void)rename(log, file1);
|
|
|
|
}
|
|
|
|
|
1996-01-05 09:28:11 +00:00
|
|
|
if (noaction)
|
|
|
|
printf("Start new log...");
|
|
|
|
else {
|
|
|
|
fd = creat(log,perm);
|
1996-01-16 10:32:04 +00:00
|
|
|
if (fd < 0)
|
|
|
|
err(1, "can't start new log");
|
|
|
|
if (fchown(fd, owner_uid, group_gid))
|
|
|
|
err(1, "can't chmod new log file");
|
1996-01-05 09:28:11 +00:00
|
|
|
(void) close(fd);
|
|
|
|
if (!(flags & CE_BINARY))
|
1996-01-16 10:32:04 +00:00
|
|
|
if (log_trim(log)) /* Add status message */
|
|
|
|
err(1, "can't add status message to log");
|
1996-01-05 09:28:11 +00:00
|
|
|
}
|
|
|
|
if (noaction)
|
|
|
|
printf("chmod %o %s...",perm,log);
|
|
|
|
else
|
|
|
|
(void) chmod(log,perm);
|
1997-05-04 01:53:53 +00:00
|
|
|
|
|
|
|
pid = 0;
|
|
|
|
need_notification = notified = 0;
|
|
|
|
if (pid_file != NULL) {
|
|
|
|
need_notification = 1;
|
|
|
|
pid = get_pid(pid_file);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pid) {
|
|
|
|
if (noaction) {
|
|
|
|
notified = 1;
|
1998-06-09 18:24:04 +00:00
|
|
|
printf("kill -%d %d\n", sig, (int)pid);
|
|
|
|
} else if (kill(pid,sig))
|
1997-05-04 01:53:53 +00:00
|
|
|
warn("can't notify daemon, pid %d", (int)pid);
|
|
|
|
else {
|
|
|
|
notified = 1;
|
|
|
|
if (verbose)
|
|
|
|
printf("daemon pid %d notified\n", (int)pid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((flags & CE_COMPACT)) {
|
|
|
|
if (need_notification && !notified)
|
|
|
|
warnx("log not compressed because daemon not notified");
|
|
|
|
else if (noaction)
|
1996-01-05 09:28:11 +00:00
|
|
|
printf("Compress %s.0\n",log);
|
1997-05-04 01:53:53 +00:00
|
|
|
else {
|
|
|
|
if (notified) {
|
|
|
|
if (verbose)
|
|
|
|
printf("small pause to allow daemon to close log\n");
|
1997-11-30 18:58:18 +00:00
|
|
|
sleep(10);
|
1997-05-04 01:53:53 +00:00
|
|
|
}
|
1996-01-05 09:28:11 +00:00
|
|
|
compress_log(log);
|
1997-05-04 01:53:53 +00:00
|
|
|
}
|
1996-01-05 09:28:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Log the fact that the logs were turned over */
|
1996-06-08 23:32:10 +00:00
|
|
|
static int log_trim(log)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *log;
|
|
|
|
{
|
|
|
|
FILE *f;
|
|
|
|
if ((f = fopen(log,"a")) == NULL)
|
|
|
|
return(-1);
|
|
|
|
fprintf(f,"%s %s newsyslog[%d]: logfile turned over\n",
|
1996-06-08 23:32:10 +00:00
|
|
|
daytime, hostname, (int)getpid());
|
1996-01-16 10:32:04 +00:00
|
|
|
if (fclose(f) == EOF)
|
|
|
|
err(1, "log_trim: fclose:");
|
1996-01-05 09:28:11 +00:00
|
|
|
return(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fork of /usr/ucb/compress to compress the old log file */
|
1996-06-08 23:32:10 +00:00
|
|
|
static void compress_log(log)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *log;
|
|
|
|
{
|
1997-05-04 01:53:53 +00:00
|
|
|
pid_t pid;
|
|
|
|
char tmp[MAXPATHLEN+1];
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
(void) sprintf(tmp,"%s.0",log);
|
1997-05-04 01:53:53 +00:00
|
|
|
pid = fork();
|
1996-01-16 10:32:04 +00:00
|
|
|
if (pid < 0)
|
|
|
|
err(1, "fork");
|
|
|
|
else if (!pid) {
|
1997-05-04 01:53:53 +00:00
|
|
|
(void) execl(COMPRESS_PATH,COMPRESS_PROG,"-f",tmp,0);
|
|
|
|
err(1, COMPRESS_PATH);
|
1996-01-05 09:28:11 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return size in kilobytes of a file */
|
1996-06-08 23:32:10 +00:00
|
|
|
static int sizefile(file)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *file;
|
|
|
|
{
|
|
|
|
struct stat sb;
|
|
|
|
|
|
|
|
if (stat(file,&sb) < 0)
|
|
|
|
return(-1);
|
|
|
|
return(kbytes(dbtob(sb.st_blocks)));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the age of old log file (file.0) */
|
1996-06-08 23:32:10 +00:00
|
|
|
static int age_old_log(file)
|
1996-01-05 09:28:11 +00:00
|
|
|
char *file;
|
|
|
|
{
|
|
|
|
struct stat sb;
|
1996-01-16 10:32:04 +00:00
|
|
|
char tmp[MAXPATHLEN+sizeof(".0")+sizeof(COMPRESS_POSTFIX)+1];
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
(void) strcpy(tmp,file);
|
|
|
|
if (stat(strcat(tmp,".0"),&sb) < 0)
|
|
|
|
if (stat(strcat(tmp,COMPRESS_POSTFIX), &sb) < 0)
|
|
|
|
return(-1);
|
|
|
|
return( (int) (timenow - sb.st_mtime + 1800) / 3600);
|
|
|
|
}
|
|
|
|
|
1997-05-04 01:53:53 +00:00
|
|
|
static pid_t get_pid(pid_file)
|
|
|
|
char *pid_file;
|
|
|
|
{
|
|
|
|
FILE *f;
|
|
|
|
char line[BUFSIZ];
|
|
|
|
pid_t pid = 0;
|
|
|
|
|
|
|
|
if ((f = fopen(pid_file,"r")) == NULL)
|
|
|
|
warn("can't open %s pid file to restart a daemon",
|
|
|
|
pid_file);
|
|
|
|
else {
|
|
|
|
if (fgets(line,BUFSIZ,f)) {
|
|
|
|
pid = atol(line);
|
|
|
|
if (pid < MIN_PID || pid > MAX_PID) {
|
|
|
|
warnx("preposterous process number: %d", (int)pid);
|
|
|
|
pid = 0;
|
|
|
|
}
|
|
|
|
} else
|
|
|
|
warn("can't read %s pid file to restart a daemon",
|
|
|
|
pid_file);
|
|
|
|
(void)fclose(f);
|
|
|
|
}
|
|
|
|
return pid;
|
|
|
|
}
|
1996-01-05 09:28:11 +00:00
|
|
|
|
|
|
|
#ifndef OSF
|
|
|
|
/* Duplicate a string using malloc */
|
|
|
|
|
|
|
|
char *strdup(strp)
|
|
|
|
register char *strp;
|
|
|
|
{
|
|
|
|
register char *cp;
|
|
|
|
|
|
|
|
if ((cp = malloc((unsigned) strlen(strp) + 1)) == NULL)
|
|
|
|
abort();
|
|
|
|
return(strcpy (cp, strp));
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Skip Over Blanks */
|
|
|
|
char *sob(p)
|
1997-05-04 01:53:53 +00:00
|
|
|
register char *p;
|
1996-01-05 09:28:11 +00:00
|
|
|
{
|
|
|
|
while (p && *p && isspace(*p))
|
|
|
|
p++;
|
|
|
|
return(p);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Skip Over Non-Blanks */
|
|
|
|
char *son(p)
|
1997-05-04 01:53:53 +00:00
|
|
|
register char *p;
|
1996-01-05 09:28:11 +00:00
|
|
|
{
|
|
|
|
while (p && *p && !isspace(*p))
|
|
|
|
p++;
|
|
|
|
return(p);
|
|
|
|
}
|