Default to first interface from pcap_findalldevs()

[tcpdump] / print-pflog.c

diff --git a/print-pflog.c b/print-pflog.c
index 869716dc99e8c2be2dc52b7b9a248bf39f608a44..9815dc56289939ca5a6c4f5c0079746b2377a609 100644 (file)
--- a/print-pflog.c
+++ b/print-pflog.c
@@ -19,35 +19,46 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 

-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-pflog.c,v 1.11 2004-03-29 21:58:53 guy Exp $ (LBL)";
-#endif
-

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 

-#include <tcpdump-stdinc.h>
+#ifndef HAVE_NET_PFVAR_H
+#error "No pf headers available"
+#endif
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <net/pfvar.h>
+#include <net/if_pflog.h>
+
+#include <netdissect-stdinc.h>

 
 

-#include <stdio.h>
-#include <pcap.h>
+#include "netdissect.h"
+#include "extract.h"

 
 

-#include "interface.h"
-#include "addrtoname.h"
-#include "pf.h"
+static const char tstr[] = "[|pflog]";

 
 

-static struct tok pf_reasons[] = {
+static const struct tok pf_reasons[] = {

        { 0,    "0(match)" },
        { 1,    "1(bad-offset)" },
        { 2,    "2(fragment)" },
        { 3,    "3(short)" },
        { 4,    "4(normalize)" },
        { 5,    "5(memory)" },
        { 0,    "0(match)" },
        { 1,    "1(bad-offset)" },
        { 2,    "2(fragment)" },
        { 3,    "3(short)" },
        { 4,    "4(normalize)" },
        { 5,    "5(memory)" },

+       { 6,    "6(bad-timestamp)" },
+       { 7,    "7(congestion)" },
+       { 8,    "8(ip-option)" },
+       { 9,    "9(proto-cksum)" },
+       { 10,   "10(state-mismatch)" },
+       { 11,   "11(state-insert)" },
+       { 12,   "12(state-limit)" },
+       { 13,   "13(src-limit)" },
+       { 14,   "14(synproxy)" },

        { 0,    NULL }
 };
 
        { 0,    NULL }
 };
 

-static struct tok pf_actions[] = {
+static const struct tok pf_actions[] = {

        { PF_PASS,              "pass" },
        { PF_DROP,              "block" },
        { PF_SCRUB,             "scrub" },
        { PF_PASS,              "pass" },
        { PF_DROP,              "block" },
        { PF_SCRUB,             "scrub" },


@@ -61,7 +72,7 @@ static struct tok pf_actions[] = {
        { 0,                    NULL }
 };
 
        { 0,                    NULL }
 };
 

-static struct tok pf_directions[] = {
+static const struct tok pf_directions[] = {

        { PF_INOUT,     "in/out" },
        { PF_IN,        "in" },
        { PF_OUT,       "out" },
        { PF_INOUT,     "in/out" },
        { PF_IN,        "in" },
        { PF_OUT,       "out" },


@@ -73,55 +84,59 @@ static struct tok pf_directions[] = {
 #define        OPENBSD_AF_INET6        24
 
 static void
 #define        OPENBSD_AF_INET6        24
 
 static void

-pflog_print(const struct pfloghdr *hdr)
+pflog_print(netdissect_options *ndo, const struct pfloghdr *hdr)

 {
 {

-       if (ntohl(hdr->subrulenr) == (u_int32_t)-1)
-               printf("rule %u/", ntohl(hdr->rulenr));
+       uint32_t rulenr, subrulenr;
+
+       rulenr = EXTRACT_32BITS(&hdr->rulenr);
+       subrulenr = EXTRACT_32BITS(&hdr->subrulenr);
+       if (subrulenr == (uint32_t)-1)
+               ND_PRINT((ndo, "rule %u/", rulenr));

        else
        else

-               printf("rule %u.%s.%u/", ntohl(hdr->rulenr), hdr->ruleset,
-                   ntohl(hdr->subrulenr));
+               ND_PRINT((ndo, "rule %u.%s.%u/", rulenr, hdr->ruleset, subrulenr));

 
 

-       printf("%s: %s %s on %s: ",
+       ND_PRINT((ndo, "%s: %s %s on %s: ",

            tok2str(pf_reasons, "unkn(%u)", hdr->reason),
            tok2str(pf_actions, "unkn(%u)", hdr->action),
            tok2str(pf_directions, "unkn(%u)", hdr->dir),
            tok2str(pf_reasons, "unkn(%u)", hdr->reason),
            tok2str(pf_actions, "unkn(%u)", hdr->action),
            tok2str(pf_directions, "unkn(%u)", hdr->dir),

-           hdr->ifname);
+           hdr->ifname));

 }
 
 u_int
 }
 
 u_int

-pflog_if_print(const struct pcap_pkthdr *h, register const u_char *p)
+pflog_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
+               register const u_char *p)

 {
        u_int length = h->len;
        u_int hdrlen;
        u_int caplen = h->caplen;
        const struct pfloghdr *hdr;
 {
        u_int length = h->len;
        u_int hdrlen;
        u_int caplen = h->caplen;
        const struct pfloghdr *hdr;

-       u_int8_t af;
+       uint8_t af;

 
        /* check length */
 
        /* check length */

-       if (caplen < sizeof(u_int8_t)) {
-               printf("[|pflog]");
+       if (caplen < sizeof(uint8_t)) {
+               ND_PRINT((ndo, "%s", tstr));

                return (caplen);
        }
 
 #define MIN_PFLOG_HDRLEN       45
        hdr = (struct pfloghdr *)p;
        if (hdr->length < MIN_PFLOG_HDRLEN) {
                return (caplen);
        }
 
 #define MIN_PFLOG_HDRLEN       45
        hdr = (struct pfloghdr *)p;
        if (hdr->length < MIN_PFLOG_HDRLEN) {

-               printf("[pflog: invalid header length!]");
+               ND_PRINT((ndo, "[pflog: invalid header length!]"));

                return (hdr->length);   /* XXX: not really */
        }
        hdrlen = BPF_WORDALIGN(hdr->length);
 
        if (caplen < hdrlen) {
                return (hdr->length);   /* XXX: not really */
        }
        hdrlen = BPF_WORDALIGN(hdr->length);
 
        if (caplen < hdrlen) {

-               printf("[|pflog]");
+               ND_PRINT((ndo, "%s", tstr));

                return (hdrlen);        /* XXX: true? */
        }
 
        /* print what we know */
        hdr = (struct pfloghdr *)p;
                return (hdrlen);        /* XXX: true? */
        }
 
        /* print what we know */
        hdr = (struct pfloghdr *)p;

-       TCHECK(*hdr);
-       if (eflag)
-               pflog_print(hdr);
-       
+       ND_TCHECK(*hdr);
+       if (ndo->ndo_eflag)
+               pflog_print(ndo, hdr);
+

        /* skip to the real packet */
        af = hdr->af;
        length -= hdrlen;
        /* skip to the real packet */
        af = hdr->af;
        length -= hdrlen;


@@ -133,28 +148,37 @@ pflog_if_print(const struct pcap_pkthdr *h, register const u_char *p)
 #if OPENBSD_AF_INET != AF_INET
                case OPENBSD_AF_INET:           /* XXX: read pcap files */
 #endif
 #if OPENBSD_AF_INET != AF_INET
                case OPENBSD_AF_INET:           /* XXX: read pcap files */
 #endif

-                       ip_print(p, length);
+                       ip_print(ndo, p, length);

                        break;
 
                        break;
 

-#ifdef INET6
+#if defined(AF_INET6) || defined(OPENBSD_AF_INET6)
+#ifdef AF_INET6

                case AF_INET6:
                case AF_INET6:

-#if OPENBSD_AF_INET6 != AF_INET6
+#endif /* AF_INET6 */
+#if !defined(AF_INET6) || OPENBSD_AF_INET6 != AF_INET6

                case OPENBSD_AF_INET6:          /* XXX: read pcap files */
                case OPENBSD_AF_INET6:          /* XXX: read pcap files */

-#endif
-                       ip6_print(p, length);
+#endif /* !defined(AF_INET6) || OPENBSD_AF_INET6 != AF_INET6 */
+                       ip6_print(ndo, p, length);

                        break;
                        break;

-#endif
+#endif /* defined(AF_INET6) || defined(OPENBSD_AF_INET6) */

 
        default:
                /* address family not handled, print raw packet */
 
        default:
                /* address family not handled, print raw packet */

-               if (!eflag)
-                       pflog_print(hdr);
-               if (!xflag && !qflag)
-                       default_print(p, caplen);
+               if (!ndo->ndo_eflag)
+                       pflog_print(ndo, hdr);
+               if (!ndo->ndo_suppress_default_print)
+                       ND_DEFAULTPRINT(p, caplen);

        }
        }

-       
+

        return (hdrlen);
 trunc:
        return (hdrlen);
 trunc:

-       printf("[|pflog]");
+       ND_PRINT((ndo, "%s", tstr));

        return (hdrlen);
 }
        return (hdrlen);
 }

+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 8
+ * End:
+ */