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Bring in some fixes from NetBSD and re-hack our syslogd to be option-compatible

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with theirs (change the -I option to -s (but leave -I in for backwards compat.)
Also eliminate an make sane some magic numbers, and fix a small bug where we'd
send to an unopened socket.

Reviewed by:	wollman
Obtained from:	NetBSD
This commit is contained in:
Paul Traina 1996-07-22 16:35:50 +00:00
parent 40d4f85367
commit a13e99514d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17245
2 changed files with 28 additions and 19 deletions
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7
usr.sbin/syslogd/syslogd.8
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)syslogd.8 8.1 (Berkeley) 6/6/93
.\" $Id: syslogd.8,v 1.2 1995/10/12 17:18:38 wollman Exp $
.\" $Id: syslogd.8,v 1.3 1996/05/20 17:10:03 wollman Exp $
.\"
.Dd October 12, 1995
.Dt SYSLOGD 8
@ -59,8 +59,9 @@ into debugging mode. This is probably only of use to developers working on
Specify the pathname of an alternate configuration file;
the default is
.Pa /etc/syslog.conf .
.It Fl I
Do not log messages received in UDP packets.
.It Fl s
Operate in secure mode. Do not open a UDP socket to listen for log message
from remote machines.
.It Fl m
Select the number of minutes between ``mark'' messages;
the default is 20 minutes.

40
usr.sbin/syslogd/syslogd.c
View File

@ -39,7 +39,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)syslogd.c 8.3 (Berkeley) 4/4/94";
*/
static const char rcsid[] =
"$Id: syslogd.c,v 1.7 1995/10/12 17:18:39 wollman Exp $";
"$Id: syslogd.c,v 1.8 1995/11/14 23:39:39 peter Exp $";
#endif /* not lint */
/*
@ -71,6 +71,7 @@ static const char rcsid[] =
#define DEFUPRI (LOG_USER|LOG_NOTICE)
#define DEFSPRI (LOG_KERN|LOG_CRIT)
#define TIMERINTVL 30 /* interval for checking flush, mark */
#define TTYMSGTIME 1 /* timeout passed to ttymsg */
#include <sys/param.h>
#include <sys/ioctl.h>
@ -191,6 +192,8 @@ int LogPort; /* port number for INET connections */
int Initialized = 0; /* set when we have initialized ourselves */
int MarkInterval = 20 * 60; /* interval between marks in seconds */
int MarkSeq = 0; /* mark sequence number */
int SecureMode = 0; /* when true, speak only unix domain socks */
int created_lsock = 0; /* Flag if local socket created */
char bootfile[MAXLINE+1]; /* booted kernel file */
@ -215,15 +218,13 @@ main(argc, argv)
int argc;
char *argv[];
{
int ch, funix, i, inetm, fklog, klogm, len, noudp;
int ch, funix, i, inetm, fklog, klogm, len;
struct sockaddr_un sunx, fromunix;
struct sockaddr_in sin, frominet;
FILE *fp;
char *p, line[MSG_BSIZE + 1];
noudp = 0;
while ((ch = getopt(argc, argv, "df:Im:p:")) != EOF)
while ((ch = getopt(argc, argv, "dsf:Im:p:")) != EOF)
switch(ch) {
case 'd': /* debug */
Debug++;
@ -231,15 +232,16 @@ main(argc, argv)
case 'f': /* configuration file */
ConfFile = optarg;
break;
case 'I': /* disable logging from UDP packets */
noudp = 1;
break;
case 'm': /* mark interval */
MarkInterval = atoi(optarg) * 60;
break;
case 'p': /* path */
LogName = optarg;
break;
case 'I': /* backwards compatible w/FreeBSD */
case 's': /* no network mode */
SecureMode++;
break;
case '?':
default:
usage();
@ -285,7 +287,11 @@ main(argc, argv)
} else
created_lsock = 1;
finet = noudp ? -1 : socket(AF_INET, SOCK_DGRAM, 0);
if (!SecureMode)
finet = socket(AF_INET, SOCK_DGRAM, 0);
else
finet = -1;
inetm = 0;
if (finet >= 0) {
struct servent *sp;
@ -380,7 +386,7 @@ usage()
{
fprintf(stderr,
"usage: syslogd [-di] [-f conffile] [-m markinterval]"
"usage: syslogd [-ds] [-f conffile] [-m markinterval]"
" [-p logpath]\n");
exit(1);
}
@ -587,12 +593,12 @@ logmsg(pri, msg, from, flags)
if (f->f_prevcount)
fprintlog(f, 0, (char *)NULL);
f->f_repeatcount = 0;
f->f_prevpri = pri;
(void)strncpy(f->f_lasttime, timestamp, 15);
(void)strncpy(f->f_prevhost, from,
sizeof(f->f_prevhost));
if (msglen < MAXSVLINE) {
f->f_prevlen = msglen;
f->f_prevpri = pri;
(void)strcpy(f->f_prevline, msg);
fprintlog(f, flags, (char *)NULL);
} else {
@ -668,9 +674,10 @@ fprintlog(f, flags, msg)
iov[0].iov_base, iov[4].iov_base);
if (l > MAXLINE)
l = MAXLINE;
if (sendto(finet, line, l, 0,
(struct sockaddr *)&f->f_un.f_forw.f_addr,
sizeof(f->f_un.f_forw.f_addr)) != l) {
if ((finet >= 0) &&
(sendto(finet, line, l, 0,
(struct sockaddr *)&f->f_un.f_forw.f_addr,
sizeof(f->f_un.f_forw.f_addr)) != l)) {
int e = errno;
(void)close(f->f_file);
f->f_type = F_UNUSED;
@ -763,7 +770,7 @@ wallmsg(f, iov)
strncpy(line, ut.ut_line, sizeof(ut.ut_line));
line[sizeof(ut.ut_line)] = '\0';
if (f->f_type == F_WALL) {
if ((p = ttymsg(iov, 6, line, 60*5)) != NULL) {
if ((p = ttymsg(iov, 6, line, TTYMSGTIME)) != NULL) {
errno = 0; /* already in msg */
logerror(p);
}
@ -775,7 +782,8 @@ wallmsg(f, iov)
break;
if (!strncmp(f->f_un.f_uname[i], ut.ut_name,
UT_NAMESIZE)) {
if ((p = ttymsg(iov, 6, line, 60*5)) != NULL) {
if ((p = ttymsg(iov, 6, line, TTYMSGTIME))
!= NULL) {
errno = 0; /* already in msg */
logerror(p);
}