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/* \summary: Solaris DLT_IPNET printer */
#include <config.h>
#include "netdissect-stdinc.h"
#define ND_LONGJMP_FROM_TCHECK
#include "netdissect.h"
#include "extract.h"
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 */
#ifdef DLT_IPNET
static const struct tok ipnet_values[] = {
{ IPH_AF_INET, "IPv4" },
{ IPH_AF_INET6, "IPv6" },
{ 0, NULL }
};
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;
ND_PRINT("%u > %u", GET_BE_U_4(hdr->iph_zsrc),
GET_BE_U_4(hdr->iph_zdst));
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 {
ND_PRINT(", %s",
tok2str(ipnet_values,
"Unknown Ethertype (0x%04x)",
GET_U_1(hdr->iph_family)));
}
ND_PRINT(", length %u: ", length);
}
static void
ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
{
const ipnet_hdr_t *hdr;
ND_TCHECK_LEN(p, sizeof(ipnet_hdr_t));
ndo->ndo_ll_hdr_len += sizeof(ipnet_hdr_t);
if (ndo->ndo_eflag)
ipnet_hdr_print(ndo, p, length);
length -= sizeof(ipnet_hdr_t);
caplen -= sizeof(ipnet_hdr_t);
hdr = (const ipnet_hdr_t *)p;
p += sizeof(ipnet_hdr_t);
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 (!ndo->ndo_suppress_default_print)
ND_DEFAULTPRINT(p, caplen);
break;
}
}
/*
* This is the top level routine of the printer. 'p' points
* to the ether header of the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
void
ipnet_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
ndo->ndo_protocol = "ipnet";
ipnet_print(ndo, p, h->len, h->caplen);
}
#endif /* DLT_IPNET */
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