mirror of
https://github.com/dreamlayers/netbsd-mopd.git
synced 2026-04-26 12:07:27 +00:00
Commit of original mopd-2.5.3 source, downloaded from:
ftp://ftp.linux-mips.org/pub/linux/mips/people/macro/mopd/mopd-2.5.3.tar.gz SHA256 = 6876cf56a763fea8db1f7d76723689bcf00b76edd4124052155f74f64e2b4ed3
This commit is contained in:
Mats O Jansson
Boris Gjenero
241
mopd/mopd.c
Normal file
241
mopd/mopd.c
Normal file
@@ -0,0 +1,241 @@
|
||||
/*
|
||||
* Copyright (c) 1993-96 Mats O Jansson. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Mats O Jansson.
|
||||
* 4. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef LINT
|
||||
static char rcsid[] = "$Id: mopd.c,v 1.14 1996/03/31 19:20:42 moj Exp $";
|
||||
#endif
|
||||
|
||||
/*
|
||||
* mopd - MOP Dump/Load Daemon
|
||||
*
|
||||
* Usage: mopd -a [ -d -f -v ] [ -3 | -4 ]
|
||||
* mopd [ -d -f -v ] [ -3 | -4 ] interface
|
||||
*/
|
||||
|
||||
#include "os.h"
|
||||
#include "common/common.h"
|
||||
#include "common/mopdef.h"
|
||||
#include "common/device.h"
|
||||
#include "common/print.h"
|
||||
#include "common/pf.h"
|
||||
#include "common/cmp.h"
|
||||
#include "common/get.h"
|
||||
#include "common/dl.h"
|
||||
#include "common/rc.h"
|
||||
#include "process.h"
|
||||
|
||||
/*
|
||||
* The list of all interfaces that are being listened to.
|
||||
* "selects" on the descriptors in this list.
|
||||
*/
|
||||
struct if_info *iflist;
|
||||
|
||||
#ifdef NO__P
|
||||
void Loop (/* void */);
|
||||
void Usage (/* void */);
|
||||
void mopProcess (/* struct if_info *, u_char * */);
|
||||
#else
|
||||
void Loop __P((void));
|
||||
void Usage __P((void));
|
||||
void mopProcess __P((struct if_info *, u_char *));
|
||||
#endif
|
||||
|
||||
int AllFlag = 0; /* listen on "all" interfaces */
|
||||
int DebugFlag = 0; /* print debugging messages */
|
||||
int ForegroundFlag = 0; /* run in foreground */
|
||||
int VersionFlag = 0; /* print version */
|
||||
int Not3Flag = 0; /* Not MOP V3 messages. */
|
||||
int Not4Flag = 0; /* Not MOP V4 messages. */
|
||||
int promisc = 1; /* Need promisc mode */
|
||||
char *Program;
|
||||
|
||||
void
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char **argv;
|
||||
{
|
||||
int c, pid, devnull, f;
|
||||
char *interface;
|
||||
|
||||
extern int optind;
|
||||
extern char version[];
|
||||
|
||||
if ((Program = strrchr(argv[0], '/')))
|
||||
Program++;
|
||||
else
|
||||
Program = argv[0];
|
||||
|
||||
if (*Program == '-')
|
||||
Program++;
|
||||
|
||||
while ((c = getopt(argc, argv, "34adfv")) != EOF)
|
||||
switch (c) {
|
||||
case '3':
|
||||
Not3Flag++;
|
||||
break;
|
||||
case '4':
|
||||
Not4Flag++;
|
||||
break;
|
||||
case 'a':
|
||||
AllFlag++;
|
||||
break;
|
||||
case 'd':
|
||||
DebugFlag++;
|
||||
break;
|
||||
case 'f':
|
||||
ForegroundFlag++;
|
||||
break;
|
||||
case 'v':
|
||||
VersionFlag++;
|
||||
break;
|
||||
default:
|
||||
Usage();
|
||||
/* NOTREACHED */
|
||||
}
|
||||
|
||||
if (VersionFlag) {
|
||||
fprintf(stdout,"%s: version %s\n", Program, version);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
interface = argv[optind++];
|
||||
|
||||
if ((AllFlag && interface) ||
|
||||
(!AllFlag && interface == 0) ||
|
||||
(argc > optind) ||
|
||||
(Not3Flag && Not4Flag))
|
||||
Usage();
|
||||
|
||||
/* All error reporting is done through syslogs. */
|
||||
openlog(Program, LOG_PID | LOG_CONS, LOG_DAEMON);
|
||||
|
||||
if ((!ForegroundFlag) && DebugFlag) {
|
||||
fprintf(stdout,
|
||||
"%s: not running as daemon, -d given.\n",
|
||||
Program);
|
||||
}
|
||||
|
||||
if ((!ForegroundFlag) && (!DebugFlag)) {
|
||||
|
||||
pid = fork();
|
||||
if (pid > 0)
|
||||
/* Parent exits, leaving child in background. */
|
||||
exit(0);
|
||||
else
|
||||
if (pid == -1) {
|
||||
syslog(LOG_ERR, "cannot fork");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
/* Fade into the background */
|
||||
f = open("/dev/tty", O_RDWR);
|
||||
if (f >= 0) {
|
||||
if (ioctl(f, TIOCNOTTY, 0) < 0) {
|
||||
syslog(LOG_ERR, "TIOCNOTTY: %m");
|
||||
exit(0);
|
||||
}
|
||||
(void) close(f);
|
||||
}
|
||||
|
||||
(void) chdir("/");
|
||||
#ifdef SETPGRP_NOPARAM
|
||||
(void) setpgrp();
|
||||
#else
|
||||
(void) setpgrp(0, getpid());
|
||||
#endif
|
||||
devnull = open("/dev/null", O_RDWR);
|
||||
if (devnull >= 0) {
|
||||
(void) dup2(devnull, 0);
|
||||
(void) dup2(devnull, 1);
|
||||
(void) dup2(devnull, 2);
|
||||
if (devnull > 2)
|
||||
(void) close(devnull);
|
||||
}
|
||||
}
|
||||
|
||||
syslog(LOG_INFO, "%s %s started.", Program, version);
|
||||
|
||||
if (AllFlag)
|
||||
deviceInitAll();
|
||||
else
|
||||
deviceInitOne(interface);
|
||||
|
||||
Loop();
|
||||
}
|
||||
|
||||
void
|
||||
Usage()
|
||||
{
|
||||
(void) fprintf(stderr, "usage: %s -a [ -d -f -v ] [ -3 | -4 ]\n",Program);
|
||||
(void) fprintf(stderr, " %s [ -d -f -v ] [ -3 | -4 ] interface\n",Program);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Process incomming packages.
|
||||
*/
|
||||
void
|
||||
mopProcess(ii, pkt)
|
||||
struct if_info *ii;
|
||||
u_char *pkt;
|
||||
{
|
||||
u_char *dst, *src;
|
||||
u_short ptype;
|
||||
int index, trans, len;
|
||||
|
||||
/* We don't known with transport, Guess! */
|
||||
|
||||
trans = mopGetTrans(pkt, 0);
|
||||
|
||||
/* Ok, return if we don't wan't this message */
|
||||
|
||||
if ((trans == TRANS_ETHER) && Not3Flag) return;
|
||||
if ((trans == TRANS_8023) && Not4Flag) return;
|
||||
|
||||
index = 0;
|
||||
mopGetHeader(pkt, &index, &dst, &src, &ptype, &len, trans);
|
||||
|
||||
/*
|
||||
* Ignore our own transmissions
|
||||
*
|
||||
*/
|
||||
if (mopCmpEAddr(ii->eaddr,src) == 0)
|
||||
return;
|
||||
|
||||
switch(ptype) {
|
||||
case MOP_K_PROTO_DL:
|
||||
mopProcessDL(stdout, ii, pkt, &index, dst, src, trans, len);
|
||||
break;
|
||||
case MOP_K_PROTO_RC:
|
||||
mopProcessRC(stdout, ii, pkt, &index, dst, src, trans, len);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user