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/*
* Oracle
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#include <stdio.h>
#include <pcap.h>
#include "netdissect.h"
#include "interface.h"
#include "extract.h"
#include "ppi.h"
#ifdef DLT_PPI
static inline void
ppi_header_print(struct netdissect_options *ndo, const u_char *bp, u_int length)
{
const ppi_header_t *hdr;
u_int32_t dlt;
u_int16_t len;
hdr = (const ppi_header_t *)bp;
len = EXTRACT_16BITS(&hdr->ppi_len);
dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
if (!ndo->ndo_qflag) {
ND_PRINT((ndo,", V.%d DLT %s (%d) len %d", hdr->ppi_ver,
pcap_datalink_val_to_name(dlt), dlt,
len));
} else {
ND_PRINT((ndo,", %s", pcap_datalink_val_to_name(dlt)));
}
ND_PRINT((ndo, ", length %u: ", length));
}
static void
ppi_print(struct netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
if_ndo_printer ndo_printer;
if_printer printer;
ppi_header_t *hdr;
u_int caplen = h->caplen;
u_int length = h->len;
u_int32_t dlt;
if (caplen < sizeof(ppi_header_t)) {
ND_PRINT((ndo, "[|ppi]"));
return;
}
hdr = (ppi_header_t *)p;
dlt = EXTRACT_32BITS(&hdr->ppi_dlt);
if (ndo->ndo_eflag)
ppi_header_print(ndo, p, length);
length -= sizeof(ppi_header_t);
caplen -= sizeof(ppi_header_t);
p += sizeof(ppi_header_t);
if ((printer = lookup_printer(dlt)) != NULL) {
printer(h, p);
} else if ((ndo_printer = lookup_ndo_printer(dlt)) != NULL) {
ndo_printer(ndo, h, p);
} else {
if (!ndo->ndo_eflag)
ppi_header_print(ndo, (u_char *)hdr,
length + sizeof(ppi_header_t));
if (!ndo->ndo_suppress_default_print)
ndo->ndo_default_print(ndo, p, caplen);
}
}
/*
* 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.
*/
u_int
ppi_if_print(struct netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
ppi_print(ndo, h, p);
return (sizeof(ppi_header_t));
}
/*
* Local Variables:
* c-style: whitesmith
* c-basic-offset: 8
* End:
*/
#endif /* DLT_PPI */