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Diffstat (limited to 'package/mopd/src/mopd/mopd.c')
| -rw-r--r-- | package/mopd/src/mopd/mopd.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/package/mopd/src/mopd/mopd.c b/package/mopd/src/mopd/mopd.c new file mode 100644 index 000000000..2de83d0f0 --- /dev/null +++ b/package/mopd/src/mopd/mopd.c @@ -0,0 +1,216 @@ +/* $NetBSD: mopd.c,v 1.5 1997/10/16 23:25:17 lukem Exp $ */ + +/* + * 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +/*__RCSID("$NetBSD: mopd.c,v 1.5 1997/10/16 23:25:17 lukem Exp $");*/ +#endif + +/* + * mopd - MOP Dump/Load Daemon + * + * Usage: mopd -a [ -d -f -v ] [ -3 | -4 ] + * mopd [ -d -f -v ] [ -3 | -4 ] interface + */ + +#include "common/os.h" +#include "common/cmp.h" +#include "common/common.h" +#include "common/device.h" +#include "common/dl.h" +#include "common/get.h" +#include "common/mopdef.h" +#include "common/pf.h" +#include "common/print.h" +#include "process.h" +#include "common/rc.h" + +#ifndef __linux__ +#include <util.h> +#else +#define pidfile(x) x; +#endif + +/* + * The list of all interfaces that are being listened to. + * "selects" on the descriptors in this list. + */ +struct if_info *iflist; + +void Usage __P((void)); +int main __P((int, char **)); +void mopProcess __P((struct if_info *, u_char *)); + +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 */ + +extern char *__progname; /* from crt0.o */ + +int +main(argc, argv) + int argc; + char **argv; +{ + int c, pid; + char *interface; + + extern char version[]; + + while ((c = getopt(argc, argv, "34adfv")) != -1) + 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", __progname, 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(__progname, LOG_PID | LOG_CONS, LOG_DAEMON); + + if ((!ForegroundFlag) && DebugFlag) + fprintf(stdout, + "%s: not running as daemon, -d given.\n", __progname); + + 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 */ + daemon(0, 0); + pidfile(NULL); + } + + syslog(LOG_INFO, "%s %s started.", __progname, version); + + if (AllFlag) + deviceInitAll(); + else + deviceInitOne(interface); + + Loop(); + /* NOTREACHED */ + return (0); +} + +void +Usage() +{ + (void) fprintf(stderr, "usage: %s -a [ -d -f -v ] [ -3 | -4 ]\n", + __progname); + (void) fprintf(stderr, " %s [ -d -f -v ] [ -3 | -4 ] interface\n", + __progname); + 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; + } +} |