/*
* Print RRCP requests
*/
void
rrcp_print(netdissect_options *ndo,
const u_char *cp,
u_int length _U_,
const struct lladdr_info *src,
const struct lladdr_info *dst)
{
uint8_t rrcp_proto;
uint8_t rrcp_opcode;
ndo->ndo_protocol = "rrcp";
ND_TCHECK_1(cp + RRCP_PROTO_OFFSET);
rrcp_proto = EXTRACT_U_1(cp + RRCP_PROTO_OFFSET);
ND_TCHECK_1(cp + RRCP_OPCODE_ISREPLY_OFFSET);
rrcp_opcode = EXTRACT_U_1((cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_OPCODE_MASK;
if (src != NULL && dst != NULL) {
ND_PRINT("%s > %s, ",
(src->addr_string)(ndo, src->addr),
(dst->addr_string)(ndo, dst->addr));
}
ND_PRINT("%s %s",
tok2str(proto_values,"RRCP-0x%02x",rrcp_proto),
((EXTRACT_U_1(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY) ? "reply" : "query");
if (rrcp_proto==1){
ND_PRINT(": %s",
tok2str(opcode_values,"unknown opcode (0x%02x)",rrcp_opcode));
}
if (rrcp_opcode==1 || rrcp_opcode==2){
ND_TCHECK_6(cp + RRCP_REG_ADDR_OFFSET);
ND_PRINT(" addr=0x%04x, data=0x%08x",
EXTRACT_LE_U_2(cp + RRCP_REG_ADDR_OFFSET),
EXTRACT_LE_U_4(cp + RRCP_REG_DATA_OFFSET));
}
if (rrcp_proto==1){
ND_TCHECK_2(cp + RRCP_AUTHKEY_OFFSET);
ND_PRINT(", auth=0x%04x",
EXTRACT_BE_U_2(cp + RRCP_AUTHKEY_OFFSET));
}
if (rrcp_proto==1 && rrcp_opcode==0 &&
((EXTRACT_U_1(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY)){
ND_TCHECK_4(cp + RRCP_VENDOR_ID_OFFSET);
ND_PRINT(" downlink_port=%u, uplink_port=%u, uplink_mac=%s, vendor_id=%08x ,chip_id=%04x ",
EXTRACT_U_1(cp + RRCP_DOWNLINK_PORT_OFFSET),
EXTRACT_U_1(cp + RRCP_UPLINK_PORT_OFFSET),
etheraddr_string(ndo, cp + RRCP_UPLINK_MAC_OFFSET),
EXTRACT_BE_U_4(cp + RRCP_VENDOR_ID_OFFSET),
EXTRACT_BE_U_2(cp + RRCP_CHIP_ID_OFFSET));
}else if (rrcp_opcode==1 || rrcp_opcode==2 || rrcp_proto==2){
ND_TCHECK_4(cp + RRCP_COOKIE2_OFFSET);
ND_PRINT(", cookie=0x%08x%08x ",
EXTRACT_BE_U_4(cp + RRCP_COOKIE2_OFFSET),
EXTRACT_BE_U_4(cp + RRCP_COOKIE1_OFFSET));
}
return;
trunc:
nd_print_trunc(ndo);
}
static void
pktap_header_print(netdissect_options *ndo, const u_char *bp, u_int length)
{
const pktap_header_t *hdr;
uint32_t dlt, hdrlen;
const char *dltname;
hdr = (const pktap_header_t *)bp;
dlt = EXTRACT_LE_U_4(hdr->pkt_dlt);
hdrlen = EXTRACT_LE_U_4(hdr->pkt_len);
dltname = pcap_datalink_val_to_name(dlt);
if (!ndo->ndo_qflag) {
ND_PRINT("DLT %s (%u) len %u",
(dltname != NULL ? dltname : "UNKNOWN"), dlt, hdrlen);
} else {
ND_PRINT("%s", (dltname != NULL ? dltname : "UNKNOWN"));
}
ND_PRINT(", length %u: ", length);
}
void
msnlb_print(netdissect_options *ndo, const u_char *bp)
{
const struct msnlb_heartbeat_pkt *hb;
hb = (const struct msnlb_heartbeat_pkt *)bp;
ND_TCHECK_SIZE(hb);
ND_PRINT("MS NLB heartbeat, host priority: %u,",
EXTRACT_LE_U_4((hb->host_prio)));
ND_PRINT(" cluster IP: %s,", ipaddr_string(ndo, hb->virtual_ip));
ND_PRINT(" host IP: %s", ipaddr_string(ndo, hb->host_ip));
return;
trunc:
ND_PRINT("[|MS NLB]");
}
/*
* 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
pktap_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
uint32_t dlt, hdrlen, rectype;
u_int caplen = h->caplen;
u_int length = h->len;
if_printer printer;
const pktap_header_t *hdr;
struct pcap_pkthdr nhdr;
ndo->ndo_protocol = "pktap_if";
if (caplen < sizeof(pktap_header_t)) {
nd_print_trunc(ndo);
return (caplen);
}
hdr = (const pktap_header_t *)p;
dlt = EXTRACT_LE_U_4(hdr->pkt_dlt);
hdrlen = EXTRACT_LE_U_4(hdr->pkt_len);
if (hdrlen < sizeof(pktap_header_t)) {
/*
* Claimed header length < structure length.
* XXX - does this just mean some fields aren't
* being supplied, or is it truly an error (i.e.,
* is the length supplied so that the header can
* be expanded in the future)?
*/
nd_print_trunc(ndo);
return (caplen);
}
if (caplen < hdrlen) {
nd_print_trunc(ndo);
return (caplen);
}
if (ndo->ndo_eflag)
pktap_header_print(ndo, p, length);
length -= hdrlen;
caplen -= hdrlen;
p += hdrlen;
rectype = EXTRACT_LE_U_4(hdr->pkt_rectype);
switch (rectype) {
case PKT_REC_NONE:
ND_PRINT("no data");
break;
case PKT_REC_PACKET:
if ((printer = lookup_printer(dlt)) != NULL) {
nhdr = *h;
nhdr.caplen = caplen;
nhdr.len = length;
hdrlen += printer(ndo, &nhdr, p);
} else {
if (!ndo->ndo_eflag)
pktap_header_print(ndo, (const u_char *)hdr,
length + hdrlen);
if (!ndo->ndo_suppress_default_print)
ND_DEFAULTPRINT(p, caplen);
}
break;
}
return (hdrlen);
}