227 lines
6.0 KiB
C
227 lines
6.0 KiB
C
/* $NetBSD: print-pfsync.c,v 1.1 2010/12/05 05:11:30 christos Exp $ */
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/* $OpenBSD: print-pfsync.c,v 1.30 2007/05/31 04:16:26 mcbride Exp $ */
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/*
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* Copyright (c) 2002 Michael Shalayeff
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static const char rcsid[] =
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"@(#) $Header: /cvsroot/src/external/bsd/tcpdump/dist/print-pfsync.c,v 1.1 2010/12/05 05:11:30 christos Exp $";
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#else
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__RCSID("$NetBSD: print-pfsync.c,v 1.1 2010/12/05 05:11:30 christos Exp $");
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#endif
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <sys/mbuf.h>
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#ifdef __STDC__
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struct rtentry;
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#endif
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <net/pfvar.h>
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#include <net/if_pfsync.h>
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#include <ctype.h>
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#include <netdb.h>
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#include <pcap.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include "interface.h"
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#include "addrtoname.h"
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#include "pfctl_parser.h"
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#include "pfctl.h"
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const char *pfsync_acts[] = { PFSYNC_ACTIONS };
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static void pfsync_print(struct pfsync_header *, int);
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u_int
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pfsync_if_print(const struct pcap_pkthdr *h, const u_char *p)
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{
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u_int caplen = h->caplen;
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ts_print(&h->ts);
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if (caplen < PFSYNC_HDRLEN) {
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printf("[|pfsync]");
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goto out;
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}
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pfsync_print((struct pfsync_header *)p,
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caplen - sizeof(struct pfsync_header));
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out:
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if (xflag) {
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default_print((const u_char *)h, caplen);
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}
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//putchar('\n');
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return 0;
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}
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void
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pfsync_ip_print(const u_char *bp, u_int len, const u_char *bp2 __unused)
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{
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struct pfsync_header *hdr = (struct pfsync_header *)bp;
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if (len < PFSYNC_HDRLEN)
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printf("[|pfsync]");
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else
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pfsync_print(hdr, (len - sizeof(struct pfsync_header)));
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//putchar('\n');
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}
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static void
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pfsync_print(struct pfsync_header *hdr, int len)
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{
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struct pfsync_state *s;
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struct pfsync_state_upd *u;
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struct pfsync_state_del *d;
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struct pfsync_state_clr *c;
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struct pfsync_state_upd_req *r;
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struct pfsync_state_bus *b;
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struct pfsync_tdb *t;
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int i, flags = 0, min, sec;
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u_int64_t id;
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if (eflag)
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printf("PFSYNCv%d count %d: ",
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hdr->version, hdr->count);
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if (hdr->action < PFSYNC_ACT_MAX)
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printf("%s %s:", (vflag == 0) ? "PFSYNC" : "",
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pfsync_acts[hdr->action]);
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else
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printf("%s %d?:", (vflag == 0) ? "PFSYNC" : "",
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hdr->action);
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if (!vflag)
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return;
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if (vflag)
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flags |= PF_OPT_VERBOSE;
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if (vflag > 1)
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flags |= PF_OPT_VERBOSE2;
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if (!nflag)
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flags |= PF_OPT_USEDNS;
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switch (hdr->action) {
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case PFSYNC_ACT_CLR:
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if (sizeof(*c) <= len) {
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c = (void *)((char *)hdr + PFSYNC_HDRLEN);
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printf("\n\tcreatorid: %08x", htonl(c->creatorid));
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if (c->ifname[0] != '\0')
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printf(" interface: %s", c->ifname);
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}
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case PFSYNC_ACT_INS:
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case PFSYNC_ACT_UPD:
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case PFSYNC_ACT_DEL:
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for (i = 1, s = (void *)((char *)hdr + PFSYNC_HDRLEN);
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i <= hdr->count && i * sizeof(*s) <= len; i++, s++) {
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putchar('\n');
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print_state(s, flags);
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if (vflag > 1 && hdr->action == PFSYNC_ACT_UPD)
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printf(" updates: %d", s->updates);
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}
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break;
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case PFSYNC_ACT_UPD_C:
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for (i = 1, u = (void *)((char *)hdr + PFSYNC_HDRLEN);
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i <= hdr->count && i * sizeof(*u) <= len; i++, u++) {
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memcpy(&id, &u->id, sizeof(id));
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printf("\n\tid: %" PRIu64 " creatorid: %08x",
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be64toh(id), ntohl(u->creatorid));
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if (vflag > 1)
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printf(" updates: %d", u->updates);
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}
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break;
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case PFSYNC_ACT_DEL_C:
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for (i = 1, d = (void *)((char *)hdr + PFSYNC_HDRLEN);
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i <= hdr->count && i * sizeof(*d) <= len; i++, d++) {
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memcpy(&id, &d->id, sizeof(id));
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printf("\n\tid: %" PRIu64 " creatorid: %08x",
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be64toh(id), ntohl(d->creatorid));
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}
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break;
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case PFSYNC_ACT_UREQ:
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for (i = 1, r = (void *)((char *)hdr + PFSYNC_HDRLEN);
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i <= hdr->count && i * sizeof(*r) <= len; i++, r++) {
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memcpy(&id, &r->id, sizeof(id));
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printf("\n\tid: %" PRIu64 " creatorid: %08x",
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be64toh(id), ntohl(r->creatorid));
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}
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break;
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case PFSYNC_ACT_BUS:
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if (sizeof(*b) <= len) {
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b = (void *)((char *)hdr + PFSYNC_HDRLEN);
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printf("\n\tcreatorid: %08x", htonl(b->creatorid));
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sec = b->endtime % 60;
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b->endtime /= 60;
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min = b->endtime % 60;
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b->endtime /= 60;
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printf(" age %.2u:%.2u:%.2u", b->endtime, min, sec);
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switch (b->status) {
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case PFSYNC_BUS_START:
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printf(" status: start");
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break;
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case PFSYNC_BUS_END:
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printf(" status: end");
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break;
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default:
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printf(" status: ?");
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break;
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}
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}
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break;
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case PFSYNC_ACT_TDB_UPD:
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for (i = 1, t = (void *)((char *)hdr + PFSYNC_HDRLEN);
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i <= hdr->count && i * sizeof(*t) <= len; i++, t++)
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printf("\n\tspi: %08x rpl: %u cur_bytes: %" PRIu64,
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htonl(t->spi), htonl(t->rpl),
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be64toh(t->cur_bytes));
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/* XXX add dst and sproto? */
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break;
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default:
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break;
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}
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}
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