xref: /illumos-gate/usr/src/cmd/streams/log/strerr.c (revision 2a8bcb4e)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*7c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate /*
27*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1998 by Sun Microsystems, Inc.
28*7c478bd9Sstevel@tonic-gate  * All rights reserved.
29*7c478bd9Sstevel@tonic-gate  */
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate #include <stdio.h>
32*7c478bd9Sstevel@tonic-gate #include <fcntl.h>
33*7c478bd9Sstevel@tonic-gate #include <time.h>
34*7c478bd9Sstevel@tonic-gate #include <string.h>
35*7c478bd9Sstevel@tonic-gate #include <stropts.h>
36*7c478bd9Sstevel@tonic-gate #include <unistd.h>
37*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
38*7c478bd9Sstevel@tonic-gate #include <sys/strlog.h>
39*7c478bd9Sstevel@tonic-gate #include "sys/types.h"
40*7c478bd9Sstevel@tonic-gate #include "sys/stat.h"
41*7c478bd9Sstevel@tonic-gate #include "sys/stropts.h"
42*7c478bd9Sstevel@tonic-gate #include "sys/strlog.h"
43*7c478bd9Sstevel@tonic-gate 
44*7c478bd9Sstevel@tonic-gate #define	CTLSIZE sizeof (struct log_ctl)
45*7c478bd9Sstevel@tonic-gate #define	DATSIZE 8192
46*7c478bd9Sstevel@tonic-gate #define	ADMSTR "root"
47*7c478bd9Sstevel@tonic-gate #define	LOGDEV "/dev/log"
48*7c478bd9Sstevel@tonic-gate #define	ERRFILE "/var/adm/streams/error.xxxxx"
49*7c478bd9Sstevel@tonic-gate #define	NSECDAY 86400
50*7c478bd9Sstevel@tonic-gate #define	LOGDEFAULT "/var/adm/streams"
51*7c478bd9Sstevel@tonic-gate #define	DIRECTORY 040000
52*7c478bd9Sstevel@tonic-gate #define	ACCESS 07
53*7c478bd9Sstevel@tonic-gate 
54*7c478bd9Sstevel@tonic-gate static void prlog(FILE *log, struct log_ctl *lp, char *dp, int flag);
55*7c478bd9Sstevel@tonic-gate static void makefile(char *name, time_t time);
56*7c478bd9Sstevel@tonic-gate static FILE *logfile(FILE *log, struct log_ctl *lp);
57*7c478bd9Sstevel@tonic-gate static void prlog(FILE *log, struct log_ctl *lp, char *dp, int flag);
58*7c478bd9Sstevel@tonic-gate 
59*7c478bd9Sstevel@tonic-gate static char *errfile;
60*7c478bd9Sstevel@tonic-gate 
61*7c478bd9Sstevel@tonic-gate static void
makefile(char * name,time_t time)62*7c478bd9Sstevel@tonic-gate makefile(char *name, time_t time)
63*7c478bd9Sstevel@tonic-gate {
64*7c478bd9Sstevel@tonic-gate 	char *r;
65*7c478bd9Sstevel@tonic-gate 	struct tm *tp;
66*7c478bd9Sstevel@tonic-gate 
67*7c478bd9Sstevel@tonic-gate 	tp = localtime(&time);
68*7c478bd9Sstevel@tonic-gate 	r = &(name[strlen(name) - 5]);
69*7c478bd9Sstevel@tonic-gate 	(void) sprintf(r, "%02d-%02d", (tp->tm_mon+1), tp->tm_mday);
70*7c478bd9Sstevel@tonic-gate }
71*7c478bd9Sstevel@tonic-gate 
72*7c478bd9Sstevel@tonic-gate static FILE *
logfile(FILE * log,struct log_ctl * lp)73*7c478bd9Sstevel@tonic-gate logfile(FILE *log, struct log_ctl *lp)
74*7c478bd9Sstevel@tonic-gate {
75*7c478bd9Sstevel@tonic-gate 	static time_t lasttime = 0;
76*7c478bd9Sstevel@tonic-gate 	time_t newtime;
77*7c478bd9Sstevel@tonic-gate 
78*7c478bd9Sstevel@tonic-gate 	errfile = ERRFILE;
79*7c478bd9Sstevel@tonic-gate 	newtime = lp->ttime - timezone;
80*7c478bd9Sstevel@tonic-gate 
81*7c478bd9Sstevel@tonic-gate 	/*
82*7c478bd9Sstevel@tonic-gate 	 * If it is a new day make a new log file
83*7c478bd9Sstevel@tonic-gate 	 */
84*7c478bd9Sstevel@tonic-gate 	if (((newtime/NSECDAY) != (lasttime/NSECDAY)) || !log) {
85*7c478bd9Sstevel@tonic-gate 		if (log)
86*7c478bd9Sstevel@tonic-gate 			(void) fclose(log);
87*7c478bd9Sstevel@tonic-gate 		lasttime = newtime;
88*7c478bd9Sstevel@tonic-gate 		makefile(errfile, lp->ttime);
89*7c478bd9Sstevel@tonic-gate 		return (fopen(errfile, "a+"));
90*7c478bd9Sstevel@tonic-gate 	}
91*7c478bd9Sstevel@tonic-gate 	lasttime = newtime;
92*7c478bd9Sstevel@tonic-gate 	return (log);
93*7c478bd9Sstevel@tonic-gate }
94*7c478bd9Sstevel@tonic-gate 
95*7c478bd9Sstevel@tonic-gate 
96*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/
97*7c478bd9Sstevel@tonic-gate int
main(int ac,char * av[])98*7c478bd9Sstevel@tonic-gate main(int ac, char *av[])
99*7c478bd9Sstevel@tonic-gate {
100*7c478bd9Sstevel@tonic-gate 	int fd;
101*7c478bd9Sstevel@tonic-gate 	char cbuf[CTLSIZE];
102*7c478bd9Sstevel@tonic-gate 	char dbuf[DATSIZE];	/* must start on word boundary */
103*7c478bd9Sstevel@tonic-gate 	char mailcmd[40];
104*7c478bd9Sstevel@tonic-gate 	int flag;
105*7c478bd9Sstevel@tonic-gate 	struct strbuf ctl;
106*7c478bd9Sstevel@tonic-gate 	struct strbuf dat;
107*7c478bd9Sstevel@tonic-gate 	struct strioctl istr;
108*7c478bd9Sstevel@tonic-gate 	struct stat stbuf;
109*7c478bd9Sstevel@tonic-gate 	struct log_ctl *lp;
110*7c478bd9Sstevel@tonic-gate 	FILE *pfile;
111*7c478bd9Sstevel@tonic-gate 	FILE *log;
112*7c478bd9Sstevel@tonic-gate 	char *logname;
113*7c478bd9Sstevel@tonic-gate 
114*7c478bd9Sstevel@tonic-gate 	ctl.buf = cbuf;
115*7c478bd9Sstevel@tonic-gate 	ctl.maxlen = CTLSIZE;
116*7c478bd9Sstevel@tonic-gate 	dat.buf = dbuf;
117*7c478bd9Sstevel@tonic-gate 	dat.maxlen = dat.len = DATSIZE;
118*7c478bd9Sstevel@tonic-gate 	fd = open(LOGDEV, O_RDWR);
119*7c478bd9Sstevel@tonic-gate 	if (fd < 0) {
120*7c478bd9Sstevel@tonic-gate 		fprintf(stderr, "ERROR: unable to open %s\n", LOGDEV);
121*7c478bd9Sstevel@tonic-gate 		return (1);
122*7c478bd9Sstevel@tonic-gate 	}
123*7c478bd9Sstevel@tonic-gate 
124*7c478bd9Sstevel@tonic-gate 	logname = LOGDEFAULT;
125*7c478bd9Sstevel@tonic-gate 	if (stat(logname, &stbuf) < 0 || !(stbuf.st_mode & DIRECTORY)) {
126*7c478bd9Sstevel@tonic-gate 		fprintf(stderr, "ERROR: %s not a directory\n", logname);
127*7c478bd9Sstevel@tonic-gate 		return (1);
128*7c478bd9Sstevel@tonic-gate 	}
129*7c478bd9Sstevel@tonic-gate 
130*7c478bd9Sstevel@tonic-gate 	if (access(logname, ACCESS) < 0) {
131*7c478bd9Sstevel@tonic-gate 		fprintf(stderr, "ERROR: cannot access directory %s\n",
132*7c478bd9Sstevel@tonic-gate 		    logname);
133*7c478bd9Sstevel@tonic-gate 		return (1);
134*7c478bd9Sstevel@tonic-gate 	}
135*7c478bd9Sstevel@tonic-gate 
136*7c478bd9Sstevel@tonic-gate 	istr.ic_cmd = I_ERRLOG;
137*7c478bd9Sstevel@tonic-gate 	istr.ic_timout = istr.ic_len = 0;
138*7c478bd9Sstevel@tonic-gate 	istr.ic_dp = NULL;
139*7c478bd9Sstevel@tonic-gate 	if (ioctl(fd, I_STR, &istr) < 0) {
140*7c478bd9Sstevel@tonic-gate 		fprintf(stderr, "ERROR: error logger already exists\n");
141*7c478bd9Sstevel@tonic-gate 		return (1);
142*7c478bd9Sstevel@tonic-gate 	}
143*7c478bd9Sstevel@tonic-gate 
144*7c478bd9Sstevel@tonic-gate 	log = NULL;
145*7c478bd9Sstevel@tonic-gate 	flag = 0;
146*7c478bd9Sstevel@tonic-gate 	while (getmsg(fd, &ctl, &dat, &flag) >= 0) {
147*7c478bd9Sstevel@tonic-gate 		flag = 0;
148*7c478bd9Sstevel@tonic-gate 		lp = (struct log_ctl *)cbuf;
149*7c478bd9Sstevel@tonic-gate 		log = logfile(log, lp);
150*7c478bd9Sstevel@tonic-gate 		if (log == NULL) {
151*7c478bd9Sstevel@tonic-gate 			fprintf(stderr, "ERROR: unable to open %s\n", errfile);
152*7c478bd9Sstevel@tonic-gate 			return (1);
153*7c478bd9Sstevel@tonic-gate 		} else {
154*7c478bd9Sstevel@tonic-gate 			prlog(log, lp, dbuf, 1);
155*7c478bd9Sstevel@tonic-gate 			(void) fflush(log);
156*7c478bd9Sstevel@tonic-gate 		}
157*7c478bd9Sstevel@tonic-gate 
158*7c478bd9Sstevel@tonic-gate 		if (!(lp->flags & SL_NOTIFY)) continue;
159*7c478bd9Sstevel@tonic-gate 		(void) sprintf(mailcmd, "mail %s", ADMSTR);
160*7c478bd9Sstevel@tonic-gate 		if ((pfile = popen(mailcmd, "w")) != NULL) {
161*7c478bd9Sstevel@tonic-gate 			fprintf(pfile, "Streams Error Logger message "
162*7c478bd9Sstevel@tonic-gate 			    "notification:\n\n");
163*7c478bd9Sstevel@tonic-gate 			prlog(pfile, lp, dbuf, 0);
164*7c478bd9Sstevel@tonic-gate 			(void) pclose(pfile);
165*7c478bd9Sstevel@tonic-gate 		}
166*7c478bd9Sstevel@tonic-gate 	}
167*7c478bd9Sstevel@tonic-gate 
168*7c478bd9Sstevel@tonic-gate 	return (0);
169*7c478bd9Sstevel@tonic-gate }
170*7c478bd9Sstevel@tonic-gate 
171*7c478bd9Sstevel@tonic-gate static void
prlog(FILE * log,struct log_ctl * lp,char * dp,int flag)172*7c478bd9Sstevel@tonic-gate prlog(FILE *log, struct log_ctl *lp, char *dp, int flag)
173*7c478bd9Sstevel@tonic-gate {
174*7c478bd9Sstevel@tonic-gate 	char *ts;
175*7c478bd9Sstevel@tonic-gate 	time_t t = (time_t)lp->ttime;
176*7c478bd9Sstevel@tonic-gate 
177*7c478bd9Sstevel@tonic-gate 	ts = ctime(&t);
178*7c478bd9Sstevel@tonic-gate 	ts[19] = '\0';
179*7c478bd9Sstevel@tonic-gate 	if (flag) {
180*7c478bd9Sstevel@tonic-gate 		fprintf(log, "%06d %s %08x %s%s%s ", lp->seq_no, (ts+11),
181*7c478bd9Sstevel@tonic-gate 		    lp->ltime,
182*7c478bd9Sstevel@tonic-gate 		    ((lp->flags & SL_FATAL) ? "F" : "."),
183*7c478bd9Sstevel@tonic-gate 		    ((lp->flags & SL_NOTIFY) ? "N" : "."),
184*7c478bd9Sstevel@tonic-gate 		    ((lp->flags & SL_TRACE) ? "T" : "."));
185*7c478bd9Sstevel@tonic-gate 		fprintf(log, "%d %d %s\n", lp->mid, lp->sid, dp);
186*7c478bd9Sstevel@tonic-gate 	} else {
187*7c478bd9Sstevel@tonic-gate 		fprintf(log, "%06d %s\n", lp->seq_no, dp);
188*7c478bd9Sstevel@tonic-gate 	}
189*7c478bd9Sstevel@tonic-gate }
190