Exemple #1
0
/*
 * 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
ap1394_if_print(const struct pcap_pkthdr *h, const u_char *p)
{
	u_int length = h->len;
	u_int caplen = h->caplen;
	struct firewire_header *fp;
	u_short ether_type;

	if (caplen < FIREWIRE_HDRLEN) {
		printf("[|ap1394]");
		return FIREWIRE_HDRLEN;
	}

	if (eflag)
		ap1394_hdr_print(p, length);

	length -= FIREWIRE_HDRLEN;
	caplen -= FIREWIRE_HDRLEN;
	fp = (struct firewire_header *)p;
	p += FIREWIRE_HDRLEN;

	ether_type = EXTRACT_16BITS(&fp->firewire_type);
	if (ethertype_print(ether_type, p, length, caplen) == 0) {
		/* ether_type not known, print raw packet */
		if (!eflag)
			ap1394_hdr_print((u_char *)fp, length + FIREWIRE_HDRLEN);

		if (!suppress_default_print)
			default_print(p, caplen);
	} 

	return FIREWIRE_HDRLEN;
}
Exemple #2
0
/*
 * 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
ap1394_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
{
	u_int length = h->len;
	u_int caplen = h->caplen;
	struct firewire_header *fp;
	u_short ether_type;

	if (caplen < FIREWIRE_HDRLEN) {
		ND_PRINT((ndo, "[|ap1394]"));
		return FIREWIRE_HDRLEN;
	}

	if (ndo->ndo_eflag)
		ap1394_hdr_print(ndo, p, length);

	length -= FIREWIRE_HDRLEN;
	caplen -= FIREWIRE_HDRLEN;
	fp = (struct firewire_header *)p;
	p += FIREWIRE_HDRLEN;

	ether_type = EXTRACT_16BITS(&fp->firewire_type);
	if (ethertype_print(ndo, ether_type, p, length, caplen) == 0) {
		/* ether_type not known, print raw packet */
		if (!ndo->ndo_eflag)
			ap1394_hdr_print(ndo, (u_char *)fp, length + FIREWIRE_HDRLEN);

		if (!ndo->ndo_suppress_default_print)
			ND_DEFAULTPRINT(p, caplen);
	}

	return FIREWIRE_HDRLEN;
}
Exemple #3
0
/*
 * 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
ap1394_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
{
	u_int length = h->len;
	u_int caplen = h->caplen;
	const struct firewire_header *fp;
	u_short ether_type;
	struct lladdr_info src, dst;

	ndo->ndo_protocol = "ap1394_if";
	if (caplen < FIREWIRE_HDRLEN) {
		nd_print_trunc(ndo);
		return FIREWIRE_HDRLEN;
	}

	if (ndo->ndo_eflag)
		ap1394_hdr_print(ndo, p, length);

	length -= FIREWIRE_HDRLEN;
	caplen -= FIREWIRE_HDRLEN;
	fp = (const struct firewire_header *)p;
	p += FIREWIRE_HDRLEN;

	ether_type = GET_BE_U_2(fp->firewire_type);
	src.addr = fp->firewire_shost;
	src.addr_string = fwaddr_string;
	dst.addr = fp->firewire_dhost;
	dst.addr_string = fwaddr_string;
	if (ethertype_print(ndo, ether_type, p, length, caplen, &src, &dst) == 0) {
		/* ether_type not known, print raw packet */
		if (!ndo->ndo_eflag)
			ap1394_hdr_print(ndo, (const u_char *)fp, length + FIREWIRE_HDRLEN);

		if (!ndo->ndo_suppress_default_print)
			ND_DEFAULTPRINT(p, caplen);
	}

	return FIREWIRE_HDRLEN;
}