X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/979fc38d033c43d68149954d64c93a273d358040..a8abce5c5e2dce2ba6dbccd5d3829da104b80f9c:/print-pflog.c

diff --git a/print-pflog.c b/print-pflog.c
index a2fba179..7cd96b2e 100644
--- a/print-pflog.c
+++ b/print-pflog.c
@@ -19,9 +19,10 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#define NETDISSECT_REWORKED
+/* \summary: OpenBSD packet filter log file printer */
+
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
 #ifndef HAVE_NET_PFVAR_H
@@ -33,12 +34,11 @@
 #include <net/pfvar.h>
 #include <net/if_pflog.h>
 
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
 
-#include "interface.h"
+#include "netdissect.h"
 #include "extract.h"
 
-static const char tstr[] = "[|pflog]";
 
 static const struct tok pf_reasons[] = {
 	{ 0,	"0(match)" },
@@ -87,59 +87,60 @@ static const struct tok pf_directions[] = {
 static void
 pflog_print(netdissect_options *ndo, const struct pfloghdr *hdr)
 {
-	u_int32_t rulenr, subrulenr;
+	uint32_t rulenr, subrulenr;
 
-	rulenr = EXTRACT_32BITS(&hdr->rulenr);
-	subrulenr = EXTRACT_32BITS(&hdr->subrulenr);
-	if (subrulenr == (u_int32_t)-1)
-		ND_PRINT((ndo, "rule %u/", rulenr));
+	ndo->ndo_protocol = "pflog";
+	rulenr = EXTRACT_BE_U_4(&hdr->rulenr);
+	subrulenr = EXTRACT_BE_U_4(&hdr->subrulenr);
+	if (subrulenr == (uint32_t)-1)
+		ND_PRINT("rule %u/", rulenr);
 	else
-		ND_PRINT((ndo, "rule %u.%s.%u/", rulenr, hdr->ruleset, subrulenr));
+		ND_PRINT("rule %u.%s.%u/", rulenr, hdr->ruleset, subrulenr);
 
-	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),
-	    hdr->ifname));
+	ND_PRINT("%s: %s %s on %s: ",
+	    tok2str(pf_reasons, "unkn(%u)", EXTRACT_U_1(&hdr->reason)),
+	    tok2str(pf_actions, "unkn(%u)", EXTRACT_U_1(&hdr->action)),
+	    tok2str(pf_directions, "unkn(%u)", EXTRACT_U_1(&hdr->dir)),
+	    hdr->ifname);
 }
 
 u_int
 pflog_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
-               register const u_char *p)
+               const u_char *p)
 {
 	u_int length = h->len;
 	u_int hdrlen;
 	u_int caplen = h->caplen;
 	const struct pfloghdr *hdr;
-	u_int8_t af;
+	uint8_t af;
 
+	ndo->ndo_protocol = "pflog_if";
 	/* check length */
-	if (caplen < sizeof(u_int8_t)) {
-		ND_PRINT((ndo, "%s", tstr));
+	if (caplen < sizeof(uint8_t)) {
+		nd_print_trunc(ndo);
 		return (caplen);
 	}
 
 #define MIN_PFLOG_HDRLEN	45
-	hdr = (struct pfloghdr *)p;
+	hdr = (const struct pfloghdr *)p;
 	if (hdr->length < MIN_PFLOG_HDRLEN) {
-		ND_PRINT((ndo, "[pflog: invalid header length!]"));
+		ND_PRINT("[pflog: invalid header length!]");
 		return (hdr->length);	/* XXX: not really */
 	}
 	hdrlen = BPF_WORDALIGN(hdr->length);
 
 	if (caplen < hdrlen) {
-		ND_PRINT((ndo, "%s", tstr));
+		nd_print_trunc(ndo);
 		return (hdrlen);	/* XXX: true? */
 	}
 
 	/* print what we know */
-	hdr = (struct pfloghdr *)p;
-	ND_TCHECK(*hdr);
+	ND_TCHECK_SIZE(hdr);
 	if (ndo->ndo_eflag)
 		pflog_print(ndo, hdr);
 
 	/* skip to the real packet */
-	af = hdr->af;
+	af = EXTRACT_U_1(&hdr->af);
 	length -= hdrlen;
 	caplen -= hdrlen;
 	p += hdrlen;
@@ -152,14 +153,16 @@ pflog_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 		        ip_print(ndo, p, length);
 			break;
 
-#ifdef INET6
+#if defined(AF_INET6) || defined(OPENBSD_AF_INET6)
+#ifdef 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 */
-#endif
+#endif /* !defined(AF_INET6) || OPENBSD_AF_INET6 != AF_INET6 */
 			ip6_print(ndo, p, length);
 			break;
-#endif
+#endif /* defined(AF_INET6) || defined(OPENBSD_AF_INET6) */
 
 	default:
 		/* address family not handled, print raw packet */
@@ -171,13 +174,6 @@ pflog_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h,
 
 	return (hdrlen);
 trunc:
-	ND_PRINT((ndo, "%s", tstr));
+	nd_print_trunc(ndo);
 	return (hdrlen);
 }
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */