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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2.1.2 */
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stropts.h>
#include <ftw.h>
#include "sys/types.h"
#include "sys/stat.h"
#include "sys/stropts.h"
#include "sys/strlog.h"
#define MSGSIZE 128
#define NSECDAY (60*60*24)
#define LOGDELAY 2
#define LOGDEFAULT "/var/adm/streams"
#define AGEDEFAULT 3
#define DIRECTORY 040000
#define ACCESS 07
static char prefix[128];
static time_t cutoff;
static int clean(const char *name, const struct stat *stp, int info);
int
main(int ac, char *av[])
{
int age;
int c, errflg;
int fd;
struct stat stbuf;
struct strbuf ctl, dat;
struct log_ctl lctl;
char msg[MSGSIZE];
char *logname;
logname = LOGDEFAULT;
age = AGEDEFAULT;
errflg = 0;
while ((c = getopt(ac, av, "d:a:")) != EOF) {
switch (c) {
case 'd':
if (*optarg == '\0')
errflg++;
else
logname = optarg;
break;
case 'a':
if (*optarg == '\0')
errflg++;
else
age = atoi(optarg);
break;
default:
errflg++;
break;
}
}
if (errflg) {
fprintf(stderr, "Usage: strclean [-d <logdir>] [-a <age>]\n");
return (1);
}
if (age < 1) {
fprintf(stderr, "strclean: <age> must be at least 1\n");
return (2);
}
if ((stat(logname, &stbuf) < 0) || !(stbuf.st_mode & DIRECTORY)) {
fprintf(stderr, "strclean: %s not a directory\n", logname);
return (3);
}
if (access(logname, ACCESS) < 0) {
fprintf(stderr, "strclean: cannot access directory %s\n",
logname);
return (4);
}
cutoff = time(NULL) - age * NSECDAY;
ctl.len = sizeof (struct log_ctl);
ctl.maxlen = sizeof (struct log_ctl);
ctl.buf = (caddr_t)&lctl;
lctl.level = 0;
lctl.flags = SL_ERROR|SL_NOTIFY;
dat.buf = msg;
dat.maxlen = MSGSIZE;
sprintf(dat.buf,
"strclean - removing log files more than %d days old", age);
dat.len = strlen(dat.buf) + 1;
if ((fd = open("/dev/log", O_RDWR)) >= 0) {
putmsg(fd, &ctl, &dat, 0);
close(fd);
sleep(LOGDELAY);
}
strcpy(prefix, logname);
strcat(prefix, "/error.");
ftw(logname, clean, 1);
return (0);
}
/*
* clean out all files in the log directory prefixed by 'prefix'
* and that are older than 'cutoff' (these are globals above).
*/
static int
clean(const char *name, const struct stat *stp, int info)
{
if (info != FTW_F)
return (0);
if (strncmp(name, prefix, strlen(prefix)) != 0)
return (0);
if (stp->st_mtime >= cutoff)
return (0);
if (unlink(name) < 0)
fprintf(stderr, "strclean: unable to unlink file %s\n", name);
return (0);
}
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