isoclns_print(netdissect_options *ndo, const u_char *p, u_int length)
{
ndo->ndo_protocol = "isoclns";
- ND_TCHECK_1(p); /* enough bytes on the wire ? */
if (ndo->ndo_eflag)
ND_PRINT("OSI NLPID %s (0x%02x): ",
print_unknown_data(ndo, p, "\n\t", length);
break;
}
- return;
-trunc:
- nd_print_trunc(ndo);
}
#define CLNP_PDU_ER 1
ND_PRINT("li < size of fixed part of CLNP header and addresses");
return (0);
}
- ND_TCHECK_1(pptr);
dest_address_length = GET_U_1(pptr);
pptr += 1;
li_remaining -= 1;
ND_PRINT("li < size of fixed part of CLNP header and addresses");
return (0);
}
- ND_TCHECK_1(pptr);
source_address_length = GET_U_1(pptr);
pptr += 1;
li_remaining -= 1;
case CLNP_PDU_ER: /* fall through */
case CLNP_PDU_ERP:
- ND_TCHECK_1(pptr);
if (GET_U_1(pptr) == NLPID_CLNP) {
ND_PRINT("\n\t-----original packet-----\n\t");
/* FIXME recursion protection */
case ESIS_OPTION_PROTOCOLS:
while (opli>0) {
- ND_TCHECK_1(tptr);
ND_PRINT("%s (0x%02x)",
tok2str(nlpid_values,
"unknown",
stlv_len -= 8;
while (stlv_len >= 4) {
- ND_TCHECK_4(tptr);
ND_PRINT("\n\t T: %u, R: %u, RES: %u, ISID: %u",
(GET_BE_U_4(tptr) >> 31),
(GET_BE_U_4(tptr) >> 30) & 0x01,
uint8_t prefix[sizeof(nd_ipv6)]; /* shared copy buffer for IPv4 and IPv6 prefixes */
u_int metric, status_byte, bit_length, byte_length, sublen, processed, subtlvtype, subtlvlen;
- ND_TCHECK_4(tptr);
metric = GET_BE_U_4(tptr);
processed=4;
tptr+=4;
if (afi == AF_INET) {
- ND_TCHECK_1(tptr);
status_byte=GET_U_1(tptr);
tptr++;
bit_length = status_byte&0x3f;
than one subTLV - therefore the first byte must reflect
the aggregate bytecount of the subTLVs for this prefix
*/
- ND_TCHECK_1(tptr);
sublen=GET_U_1(tptr);
tptr++;
processed+=sublen+1;
switch (tlv_type) {
case ISIS_TLV_AREA_ADDR:
while (tlen != 0) {
- ND_TCHECK_1(tptr);
alen = GET_U_1(tptr);
tptr++;
tlen--;
case ISIS_TLV_IS_REACH:
if (tlen < 1)
goto tlv_trunc;
- ND_TCHECK_1(tptr); /* check if there is one byte left to read out the virtual flag */
ND_PRINT("\n\t %s",
tok2str(isis_is_reach_virtual_values,
"bogus virtual flag 0x%02x",
case ISIS_TLV_AUTH:
if (tlen < 1)
goto tlv_trunc;
- ND_TCHECK_1(tptr);
auth_type = GET_U_1(tptr);
tptr++;
tlen--;
break;
case ISIS_SUBTLV_AUTH_MD5:
for(i=0;i<tlen;i++) {
- ND_TCHECK_1(tptr + i);
ND_PRINT("%02x", GET_U_1(tptr + i));
}
if (tlen != ISIS_SUBTLV_AUTH_MD5_LEN)
case ISIS_SUBTLV_AUTH_GENERIC:
if (tlen < 2)
goto tlv_trunc;
- ND_TCHECK_2(tptr);
key_id = GET_BE_U_2(tptr);
ND_PRINT("%u, password: ", key_id);
tptr += 2;
tlen -= 2;
for(i=0;i<tlen;i++) {
- ND_TCHECK_1(tptr + i);
ND_PRINT("%02x", GET_U_1(tptr + i));
}
break;
case ISIS_TLV_PTP_ADJ:
tlv_ptp_adj = (const struct isis_tlv_ptp_adj *)tptr;
if(tlen>=1) {
- ND_TCHECK_1(tptr);
ND_PRINT("\n\t Adjacency State: %s (%u)",
tok2str(isis_ptp_adjancey_values, "unknown", GET_U_1(tptr)),
GET_U_1(tptr));
tlen--;
}
if(tlen>sizeof(tlv_ptp_adj->extd_local_circuit_id)) {
- ND_TCHECK_4(tlv_ptp_adj->extd_local_circuit_id);
ND_PRINT("\n\t Extended Local circuit-ID: 0x%08x",
GET_BE_U_4(tlv_ptp_adj->extd_local_circuit_id));
tlen-=sizeof(tlv_ptp_adj->extd_local_circuit_id);
tlen-=SYSTEM_ID_LEN;
}
if(tlen>=sizeof(tlv_ptp_adj->neighbor_extd_local_circuit_id)) {
- ND_TCHECK_4(tlv_ptp_adj->neighbor_extd_local_circuit_id);
ND_PRINT("\n\t Neighbor Extended Local circuit-ID: 0x%08x",
GET_BE_U_4(tlv_ptp_adj->neighbor_extd_local_circuit_id));
}
case ISIS_TLV_PROTOCOLS:
ND_PRINT("\n\t NLPID(s): ");
while (tlen != 0) {
- ND_TCHECK_1(tptr);
ND_PRINT("%s (0x%02x)",
tok2str(nlpid_values,
"unknown",
case ISIS_TLV_MT_CAPABILITY:
if (tlen < 2)
goto tlv_trunc;
- ND_TCHECK_2(tptr);
ND_PRINT("\n\t O: %u, RES: %u, MTID(s): %u",
(GET_BE_U_2(tptr) >> 15) & 0x01,
if (tlen < 1)
break;
- ND_TCHECK_1(tptr);
ND_PRINT(", Flags: [%s]",
ISIS_MASK_TLV_SHARED_RISK_GROUP(GET_U_1(tptr)) ? "numbered" : "unnumbered");
tptr++;
while (tlen != 0) {
if (tlen < 4)
goto tlv_trunc;
- ND_TCHECK_4(tptr);
ND_PRINT("\n\t Link-ID: 0x%08x", GET_BE_U_4(tptr));
tptr+=4;
tlen-=4;
ND_TCHECK_1(tlv_lsp->lsp_id + LSP_ID_LEN - 1);
ND_PRINT("\n\t lsp-id: %s",
isis_print_id(ndo, tlv_lsp->lsp_id, LSP_ID_LEN));
- ND_TCHECK_4(tlv_lsp->sequence_number);
ND_PRINT(", seq: 0x%08x",
GET_BE_U_4(tlv_lsp->sequence_number));
- ND_TCHECK_2(tlv_lsp->remaining_lifetime);
ND_PRINT(", lifetime: %5ds",
GET_BE_U_2(tlv_lsp->remaining_lifetime));
- ND_TCHECK_2(tlv_lsp->checksum);
ND_PRINT(", chksum: 0x%04x", GET_BE_U_2(tlv_lsp->checksum));
tlen-=sizeof(struct isis_tlv_lsp);
tlv_lsp++;
case ISIS_TLV_POI:
if (tlen < 1)
goto tlv_trunc;
- ND_TCHECK_1(tptr);
num_system_ids = GET_U_1(tptr);
tptr++;
tlen--;
case ISIS_TLV_IDRP_INFO:
if (tlen < 1)
break;
- ND_TCHECK_1(tptr);
isis_subtlv_idrp = GET_U_1(tptr);
ND_PRINT("\n\t Inter-Domain Information Type: %s",
tok2str(isis_subtlv_idrp_values,
case ISIS_SUBTLV_IDRP_ASN:
if (tlen < 2)
goto tlv_trunc;
- ND_TCHECK_2(tptr); /* fetch AS number */
ND_PRINT("AS Number: %u", GET_BE_U_2(tptr));
break;
case ISIS_SUBTLV_IDRP_LOCAL:
case ISIS_TLV_LSP_BUFFERSIZE:
if (tlen < 2)
break;
- ND_TCHECK_2(tptr);
ND_PRINT("\n\t LSP Buffersize: %u", GET_BE_U_2(tptr));
break;
tlen-=sizeof(struct isis_metric_block);
while (tlen != 0) {
- ND_TCHECK_1(tptr);
prefix_len=GET_U_1(tptr); /* read out prefix length in semioctets*/
tptr++;
tlen--;
case ISIS_TLV_IIH_SEQNR:
if (tlen < 4)
break;
- ND_TCHECK_4(tptr); /* check if four bytes are on the wire */
ND_PRINT("\n\t Sequence number: %u", GET_BE_U_4(tptr));
break;
case ISIS_TLV_VENDOR_PRIVATE:
if (tlen < 3)
break;
- ND_TCHECK_3(tptr); /* check if enough byte for a full oui */
vendor_id = GET_BE_U_3(tptr);
ND_PRINT("\n\t Vendor: %s (%u)",
tok2str(oui_values, "Unknown", vendor_id),
projects / tcpdump / blobdiff