X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/b116cd9ac44b940cdda9493bb77e81ea42f1db7d..HEAD:/print-ipnet.c

diff --git a/print-ipnet.c b/print-ipnet.c
index 56b49784..65f62616 100644
--- a/print-ipnet.c
+++ b/print-ipnet.c
@@ -1,75 +1,95 @@
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* \summary: Solaris DLT_IPNET printer */
 
-#include <tcpdump-stdinc.h>
+#include <config.h>
 
-#include <stdio.h>
-#include <pcap.h>
+#include "netdissect-stdinc.h"
 
-#include "interface.h"
-#include "addrtoname.h"
-#include "ipnet.h"
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
+#include "extract.h"
 
-#ifdef DLT_IPNET
 
-int ipnet_encap_print(u_short, const u_char *, u_int, u_int);
+typedef struct ipnet_hdr {
+	nd_uint8_t	iph_version;
+	nd_uint8_t	iph_family;
+	nd_uint16_t	iph_htype;
+	nd_uint32_t	iph_pktlen;
+	nd_uint32_t	iph_ifindex;
+	nd_uint32_t	iph_grifindex;
+	nd_uint32_t	iph_zsrc;
+	nd_uint32_t	iph_zdst;
+} ipnet_hdr_t;
+
+#define	IPH_AF_INET	2		/* Matches Solaris's AF_INET */
+#define	IPH_AF_INET6	26		/* Matches Solaris's AF_INET6 */
 
-const struct tok ipnet_values[] = {
+#ifdef DLT_IPNET
+
+static const struct tok ipnet_values[] = {
 	{ IPH_AF_INET,		"IPv4" },
 	{ IPH_AF_INET6,		"IPv6" },
 	{ 0,			NULL }
 };
 
-static inline void
-ipnet_hdr_print(register const u_char *bp, u_int length)
+static void
+ipnet_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length)
 {
 	const ipnet_hdr_t *hdr;
 	hdr = (const ipnet_hdr_t *)bp;
 
-	(void)printf("%d > %d", hdr->iph_zsrc, hdr->iph_zdst);
+	ND_PRINT("%u > %u", GET_BE_U_4(hdr->iph_zsrc),
+		  GET_BE_U_4(hdr->iph_zdst));
 
-	if (!qflag) {
-		(void)printf(", family %s (%d)",
-			     tok2str(ipnet_values, "Unknown",
-				     hdr->iph_family),
-			      hdr->iph_family);
+	if (!ndo->ndo_qflag) {
+		ND_PRINT(", family %s (%u)",
+                          tok2str(ipnet_values, "Unknown",
+                                  GET_U_1(hdr->iph_family)),
+                          GET_U_1(hdr->iph_family));
         } else {
-		(void)printf(", %s",
-			     tok2str(ipnet_values,
-				     "Unknown Ethertype (0x%04x)",
-				     hdr->iph_family));
+		ND_PRINT(", %s",
+                          tok2str(ipnet_values,
+                                  "Unknown Ethertype (0x%04x)",
+				  GET_U_1(hdr->iph_family)));
         }
 
-	(void)printf(", length %u: ", length);
+	ND_PRINT(", length %u: ", length);
 }
 
-void
-ipnet_print(const u_char *p, u_int length, u_int caplen)
+static void
+ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
 {
-	ipnet_hdr_t *hdr;
+	const ipnet_hdr_t *hdr;
 
-	if (caplen < sizeof(ipnet_hdr_t)) {
-		printf("[|ipnet]");
-		return;
-	}
+	ND_TCHECK_LEN(p, sizeof(ipnet_hdr_t));
+	ndo->ndo_ll_hdr_len += sizeof(ipnet_hdr_t);
 
-	if (eflag)
-		ipnet_hdr_print(p, length);
+	if (ndo->ndo_eflag)
+		ipnet_hdr_print(ndo, p, length);
 
 	length -= sizeof(ipnet_hdr_t);
 	caplen -= sizeof(ipnet_hdr_t);
-	hdr = (ipnet_hdr_t *)p;
+	hdr = (const ipnet_hdr_t *)p;
 	p += sizeof(ipnet_hdr_t);
 
-	if (ipnet_encap_print(hdr->iph_family, p, length, caplen) == 0) {
-		if (!eflag)
-			ipnet_hdr_print((u_char *)hdr,
+	switch (GET_U_1(hdr->iph_family)) {
+
+	case IPH_AF_INET:
+	        ip_print(ndo, p, length);
+		break;
+
+	case IPH_AF_INET6:
+		ip6_print(ndo, p, length);
+		break;
+
+	default:
+		if (!ndo->ndo_eflag)
+			ipnet_hdr_print(ndo, (const u_char *)hdr,
 					length + sizeof(ipnet_hdr_t));
 
-		if (!suppress_default_print)
-			default_print(p, caplen);
-	} 
+		if (!ndo->ndo_suppress_default_print)
+			ND_DEFAULTPRINT(p, caplen);
+		break;
+	}
 }
 
 /*
@@ -78,55 +98,11 @@ ipnet_print(const u_char *p, u_int length, u_int caplen)
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
-u_int
-ipnet_if_print(const struct pcap_pkthdr *h, const u_char *p)
-{
-	ipnet_print(p, h->len, h->caplen);
-
-	return (sizeof(ipnet_hdr_t));
-}
-
-/*
- * Prints the packet encapsulated in an Ethernet data segment
- * (or an equivalent encapsulation), given the Ethernet type code.
- *
- * Returns non-zero if it can do so, zero if the ethertype is unknown.
- *
- * The Ethernet type code is passed through a pointer; if it was
- * ETHERTYPE_8021Q, it gets updated to be the Ethernet type of
- * the 802.1Q payload, for the benefit of lower layers that might
- * want to know what it is.
- */
-
-int
-ipnet_encap_print(u_short family, const u_char *p,
-    u_int length, u_int caplen)
+void
+ipnet_if_print(netdissect_options *ndo,
+               const struct pcap_pkthdr *h, const u_char *p)
 {
- recurse:
-
-	switch (family) {
-
-	case IPH_AF_INET:
-	        ip_print(gndo, p, length);
-		return (1);
-
-#ifdef INET6
-	case IPH_AF_INET6:
-		ip6_print(p, length);
-		return (1);
-#endif /*INET6*/
-
-	default:
-		return(0);
-	}
+	ndo->ndo_protocol = "ipnet";
+	ipnet_print(ndo, p, h->len, h->caplen);
 }
-
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
-
 #endif /* DLT_IPNET */