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Code Issues Releases Activity

Secure mode (-s) incorrectly disabled both sending and receiving of syslog

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packets over UDP.  Secure boxes should still be able to send packets.
This commit is contained in:
Paul Traina 1997-04-26 00:00:33 +00:00
parent 52559db623
commit 26bed90fac
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=25154
2 changed files with 15 additions and 22 deletions
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5
usr.sbin/syslogd/syslogd.8
View File

@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)syslogd.8 8.1 (Berkeley) 6/6/93
.\" $Id$
.\" $Id: syslogd.8,v 1.8 1997/02/22 16:14:00 peter Exp $
.\"
.Dd October 12, 1995
.Dt SYSLOGD 8
@ -60,8 +60,7 @@ Specify the pathname of an alternate configuration file;
the default is
.Pa /etc/syslog.conf .
.It Fl s
Operate in secure mode. Do not open a UDP socket to listen for log message
from remote machines.
Operate in secure mode. Do not listen for log message from remote machines.
.It Fl m
Select the number of minutes between ``mark'' messages;
the default is 20 minutes.

32
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 1.21 1997/03/14 01:27:02 joerg Exp $";
"$Id: syslogd.c,v 1.22 1997/03/31 05:11:26 imp Exp $";
#endif /* not lint */
/*
@ -216,7 +216,6 @@ struct filed consfile;
int Debug; /* debug flag */
char LocalHostName[MAXHOSTNAMELEN+1]; /* our hostname */
char *LocalDomain; /* our local domain name */
int InetInuse = 0; /* non-zero if INET sockets are being used */
int finet; /* Internet datagram socket */
int LogPort; /* port number for INET connections */
int Initialized = 0; /* set when we have initialized ourselves */
@ -274,7 +273,6 @@ main(argc, argv)
case 'p': /* path */
LogName = optarg;
break;
case 'I': /* backwards compatible w/FreeBSD */
case 's': /* no network mode */
SecureMode++;
break;
@ -309,6 +307,8 @@ main(argc, argv)
(void)signal(SIGPIPE, SIG_IGN); /* We'll catch EPIPE instead. */
(void)alarm(TIMERINTVL);
TAILQ_INIT(&deadq_head);
#ifndef SUN_LEN
#define SUN_LEN(unp) (strlen((unp)->sun_path) + 2)
#endif
@ -327,14 +327,8 @@ main(argc, argv)
} else
created_lsock = 1;
if (!SecureMode)
finet = socket(AF_INET, SOCK_DGRAM, 0);
else
finet = -1;
TAILQ_INIT(&deadq_head);
inetm = 0;
finet = socket(AF_INET, SOCK_DGRAM, 0);
if (finet >= 0) {
struct servent *sp;
@ -347,13 +341,15 @@ main(argc, argv)
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = LogPort = sp->s_port;
if (bind(finet, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
logerror("bind");
if (!Debug)
die(0);
} else {
inetm = FDMASK(finet);
InetInuse = 1;
if (!SecureMode) {
if (bind(finet, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
logerror("bind");
if (!Debug)
die(0);
} else {
inetm = FDMASK(finet);
}
}
}
if ((fklog = open(_PATH_KLOG, O_RDONLY, 0)) >= 0)
@ -1282,8 +1278,6 @@ cfline(line, f, prog)
switch (*p)
{
case '@':
if (!InetInuse)
break;
(void)strcpy(f->f_un.f_forw.f_hname, ++p);
hp = gethostbyname(p);
if (hp == NULL) {