void
timed_print(netdissect_options *ndo,
const u_char *bp)
{
const struct tsp *tsp = (const struct tsp *)bp;
uint8_t tsp_type;
int sec, usec;
ndo->ndo_protocol = "timed";
ND_TCHECK_1(tsp->tsp_type);
tsp_type = EXTRACT_U_1(tsp->tsp_type);
if (tsp_type < TSPTYPENUMBER)
ND_PRINT("TSP_%s", tsptype[tsp_type]);
else
ND_PRINT("(tsp_type %#x)", tsp_type);
ND_TCHECK_1(tsp->tsp_vers);
ND_PRINT(" vers %u", EXTRACT_U_1(tsp->tsp_vers));
ND_TCHECK_2(tsp->tsp_seq);
ND_PRINT(" seq %u", EXTRACT_BE_U_2(tsp->tsp_seq));
switch (tsp_type) {
case TSP_LOOP:
ND_TCHECK_1(tsp->tsp_hopcnt);
ND_PRINT(" hopcnt %u", EXTRACT_U_1(tsp->tsp_hopcnt));
break;
case TSP_SETTIME:
case TSP_ADJTIME:
case TSP_SETDATE:
case TSP_SETDATEREQ:
ND_TCHECK_8(&tsp->tsp_time);
sec = EXTRACT_BE_S_4(tsp->tsp_time.tv_sec);
usec = EXTRACT_BE_S_4(tsp->tsp_time.tv_usec);
/* XXX The comparison below is always false? */
if (usec < 0)
/* invalid, skip the rest of the packet */
return;
ND_PRINT(" time ");
if (sec < 0 && usec != 0) {
sec++;
if (sec == 0)
ND_PRINT("-");
usec = 1000000 - usec;
}
ND_PRINT("%d.%06d", sec, usec);
break;
}
ND_PRINT(" name ");
if (nd_printzp(ndo, tsp->tsp_name, sizeof(tsp->tsp_name),
ndo->ndo_snapend))
goto trunc;
return;
trunc:
nd_print_trunc(ndo);
}
/* IP6CP config options */
static u_int
print_ip6cp_config_options(netdissect_options *ndo,
const u_char *p, u_int length)
{
u_int opt, len;
if (length < 2)
return 0;
ND_TCHECK_2(p);
opt = EXTRACT_U_1(p);
len = EXTRACT_U_1(p + 1);
if (length < len)
return 0;
if (len < 2) {
ND_PRINT("\n\t %s Option (0x%02x), length %u (length bogus, should be >= 2)",
tok2str(ip6cpopt_values,"unknown",opt),
opt,
len);
return 0;
}
ND_PRINT("\n\t %s Option (0x%02x), length %u",
tok2str(ip6cpopt_values,"unknown",opt),
opt,
len);
switch (opt) {
case IP6CP_IFID:
if (len != 10) {
ND_PRINT(" (length bogus, should be = 10)");
return len;
}
ND_TCHECK_8(p + 2);
ND_PRINT(": %04x:%04x:%04x:%04x",
EXTRACT_BE_U_2(p + 2),
EXTRACT_BE_U_2(p + 4),
EXTRACT_BE_U_2(p + 6),
EXTRACT_BE_U_2(p + 8));
break;
default:
/*
* Unknown option; dump it as raw bytes now if we're
* not going to do so below.
*/
if (ndo->ndo_vflag < 2)
print_unknown_data(ndo, p + 2, "\n\t ", len - 2);
break;
}
if (ndo->ndo_vflag > 1)
print_unknown_data(ndo, p + 2, "\n\t ", len - 2); /* exclude TLV header */
return len;
trunc:
ND_PRINT("[|ip6cp]");
return 0;
}
static int
print_graft_ack(netdissect_options *ndo,
const u_char *bp)
{
ND_TCHECK_8(bp);
ND_PRINT(" src %s grp %s", ipaddr_string(ndo, bp), ipaddr_string(ndo, bp + 4));
return (0);
trunc:
return (-1);
}
static int
print_neighbors2(netdissect_options *ndo,
const u_char *bp, const u_char *ep,
u_int len, uint8_t major_version,
uint8_t minor_version)
{
const u_char *laddr;
u_char metric, thresh, flags;
int ncount;
ND_PRINT(" (v %u.%u):", major_version, minor_version);
while (len > 0 && bp < ep) {
ND_TCHECK_8(bp);
laddr = bp;
bp += 4;
metric = GET_U_1(bp);
bp++;
thresh = GET_U_1(bp);
bp++;
flags = GET_U_1(bp);
bp++;
ncount = GET_U_1(bp);
bp++;
len -= 8;
while (--ncount >= 0 && (len >= 4) && (bp + 4) <= ep) {
ND_PRINT(" [%s -> ", ipaddr_string(ndo, laddr));
ND_PRINT("%s (%u/%u", ipaddr_string(ndo, bp),
metric, thresh);
if (flags & DVMRP_NF_TUNNEL)
ND_PRINT("/tunnel");
if (flags & DVMRP_NF_SRCRT)
ND_PRINT("/srcrt");
if (flags & DVMRP_NF_QUERIER)
ND_PRINT("/querier");
if (flags & DVMRP_NF_DISABLED)
ND_PRINT("/disabled");
if (flags & DVMRP_NF_DOWN)
ND_PRINT("/down");
ND_PRINT(")]");
bp += 4;
len -= 4;
}
if (ncount != -1) {
ND_PRINT(" [|]");
return (0);
}
}
return (0);
trunc:
return (-1);
}
static void dccp_print_ack_no(netdissect_options *ndo, const u_char *bp)
{
const struct dccp_hdr *dh = (const struct dccp_hdr *)bp;
const u_char *ackp = bp + dccp_basic_hdr_len(ndo, dh);
uint64_t ackno;
if (DCCPH_X(dh) != 0) {
ND_TCHECK_8(ackp);
ackno = GET_BE_U_6(ackp + 2);
} else {
ND_TCHECK_4(ackp);
ackno = GET_BE_U_3(ackp + 1);
}
ND_PRINT("(ack=%" PRIu64 ") ", ackno);
trunc:
return;
}
void
geneve_print(netdissect_options *ndo, const u_char *bp, u_int len)
{
uint8_t ver_opt;
u_int version;
uint8_t flags;
uint16_t prot;
uint32_t vni;
uint8_t reserved;
u_int opts_len;
ndo->ndo_protocol = "geneve";
ND_PRINT("Geneve");
ND_TCHECK_8(bp);
ver_opt = GET_U_1(bp);
bp += 1;
len -= 1;
version = ver_opt >> VER_SHIFT;
if (version != 0) {
ND_PRINT(" ERROR: unknown-version %u", version);
return;
}
flags = GET_U_1(bp);
bp += 1;
len -= 1;
prot = GET_BE_U_2(bp);
bp += 2;
len -= 2;
vni = GET_BE_U_3(bp);
bp += 3;
len -= 3;
reserved = GET_U_1(bp);
bp += 1;
len -= 1;
ND_PRINT(", Flags [%s]",
bittok2str_nosep(geneve_flag_values, "none", flags));
ND_PRINT(", vni 0x%x", vni);
if (reserved)
ND_PRINT(", rsvd 0x%x", reserved);
if (ndo->ndo_eflag)
ND_PRINT(", proto %s (0x%04x)",
tok2str(ethertype_values, "unknown", prot), prot);
opts_len = (ver_opt & HDR_OPTS_LEN_MASK) * 4;
if (len < opts_len) {
ND_PRINT(" truncated-geneve - %u bytes missing",
opts_len - len);
return;
}
ND_TCHECK_LEN(bp, opts_len);
if (opts_len > 0) {
ND_PRINT(", options [");
if (ndo->ndo_vflag)
geneve_opts_print(ndo, bp, opts_len);
else
ND_PRINT("%u bytes", opts_len);
ND_PRINT("]");
}
bp += opts_len;
len -= opts_len;
if (ndo->ndo_vflag < 1)
ND_PRINT(": ");
else
ND_PRINT("\n\t");
if (ethertype_print(ndo, prot, bp, len, ND_BYTES_AVAILABLE_AFTER(bp), NULL, NULL) == 0) {
if (prot == ETHERTYPE_TEB)
ether_print(ndo, bp, len, ND_BYTES_AVAILABLE_AFTER(bp), NULL, NULL);
else
ND_PRINT("geneve-proto-0x%x", prot);
}
return;
trunc:
nd_print_trunc(ndo);
}
void
ahcp_print(netdissect_options *ndo, const u_char *cp, const u_int len)
{
const u_char *ep = ndo->ndo_snapend;
uint8_t version;
ndo->ndo_protocol = "ahcp";
ND_PRINT("AHCP");
if (len < 2)
goto invalid;
/* Magic */
ND_TCHECK_1(cp);
if (EXTRACT_U_1(cp) != AHCP_MAGIC_NUMBER)
goto invalid;
cp += 1;
/* Version */
ND_TCHECK_1(cp);
version = EXTRACT_U_1(cp);
cp += 1;
switch (version) {
case AHCP_VERSION_1: {
ND_PRINT(" Version 1");
if (len < AHCP1_HEADER_FIX_LEN)
goto invalid;
if (!ndo->ndo_vflag) {
ND_TCHECK_LEN(cp, AHCP1_HEADER_FIX_LEN - 2);
cp += AHCP1_HEADER_FIX_LEN - 2;
} else {
/* Hopcount */
ND_TCHECK_1(cp);
ND_PRINT("\n\tHopcount %u", EXTRACT_U_1(cp));
cp += 1;
/* Original Hopcount */
ND_TCHECK_1(cp);
ND_PRINT(", Original Hopcount %u", EXTRACT_U_1(cp));
cp += 1;
/* Nonce */
ND_TCHECK_4(cp);
ND_PRINT(", Nonce 0x%08x", EXTRACT_BE_U_4(cp));
cp += 4;
/* Source Id */
ND_TCHECK_8(cp);
ND_PRINT(", Source Id %s", linkaddr_string(ndo, cp, 0, 8));
cp += 8;
/* Destination Id */
ND_TCHECK_8(cp);
ND_PRINT(", Destination Id %s", linkaddr_string(ndo, cp, 0, 8));
cp += 8;
}
/* Body */
ahcp1_body_print(ndo, cp, ep);
break;
}
default:
ND_PRINT(" Version %u (unknown)", version);
break;
}
return;
invalid:
ND_PRINT("%s", istr);
ND_TCHECK_LEN(cp, ep - cp);
return;
trunc:
nd_print_trunc(ndo);
}
static const uint32_t *
parsefattr(netdissect_options *ndo,
const uint32_t *dp, int verbose, int v3)
{
const struct nfs_fattr *fap;
fap = (const struct nfs_fattr *)dp;
ND_TCHECK_4(fap->fa_gid);
if (verbose) {
/*
* XXX - UIDs and GIDs are unsigned in NFS and in
* at least some UN*Xes, but we'll show them as
* signed because -2 has traditionally been the
* UID for "nobody", rather than 4294967294.
*/
ND_PRINT(" %s %o ids %d/%d",
tok2str(type2str, "unk-ft %u ",
EXTRACT_BE_U_4(fap->fa_type)),
EXTRACT_BE_U_4(fap->fa_mode),
EXTRACT_BE_S_4(fap->fa_uid),
EXTRACT_BE_S_4(fap->fa_gid));
if (v3) {
ND_TCHECK_8(fap->fa3_size);
ND_PRINT(" sz %" PRIu64,
EXTRACT_BE_U_8(fap->fa3_size));
} else {
ND_TCHECK_4(fap->fa2_size);
ND_PRINT(" sz %u", EXTRACT_BE_U_4(fap->fa2_size));
}
}
/* print lots more stuff */
if (verbose > 1) {
if (v3) {
ND_TCHECK_8(&fap->fa3_ctime);
ND_PRINT(" nlink %u rdev %u/%u",
EXTRACT_BE_U_4(fap->fa_nlink),
EXTRACT_BE_U_4(fap->fa3_rdev.specdata1),
EXTRACT_BE_U_4(fap->fa3_rdev.specdata2));
ND_PRINT(" fsid %" PRIx64,
EXTRACT_BE_U_8(fap->fa3_fsid));
ND_PRINT(" fileid %" PRIx64,
EXTRACT_BE_U_8(fap->fa3_fileid));
ND_PRINT(" a/m/ctime %u.%06u",
EXTRACT_BE_U_4(fap->fa3_atime.nfsv3_sec),
EXTRACT_BE_U_4(fap->fa3_atime.nfsv3_nsec));
ND_PRINT(" %u.%06u",
EXTRACT_BE_U_4(fap->fa3_mtime.nfsv3_sec),
EXTRACT_BE_U_4(fap->fa3_mtime.nfsv3_nsec));
ND_PRINT(" %u.%06u",
EXTRACT_BE_U_4(fap->fa3_ctime.nfsv3_sec),
EXTRACT_BE_U_4(fap->fa3_ctime.nfsv3_nsec));
} else {
ND_TCHECK_8(&fap->fa2_ctime);
ND_PRINT(" nlink %u rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
EXTRACT_BE_U_4(fap->fa_nlink),
EXTRACT_BE_U_4(fap->fa2_rdev),
EXTRACT_BE_U_4(fap->fa2_fsid),
EXTRACT_BE_U_4(fap->fa2_fileid));
ND_PRINT(" %u.%06u",
EXTRACT_BE_U_4(fap->fa2_atime.nfsv2_sec),
EXTRACT_BE_U_4(fap->fa2_atime.nfsv2_usec));
ND_PRINT(" %u.%06u",
EXTRACT_BE_U_4(fap->fa2_mtime.nfsv2_sec),
EXTRACT_BE_U_4(fap->fa2_mtime.nfsv2_usec));
ND_PRINT(" %u.%06u",
EXTRACT_BE_U_4(fap->fa2_ctime.nfsv2_sec),
EXTRACT_BE_U_4(fap->fa2_ctime.nfsv2_usec));
}
}
return ((const uint32_t *)((const unsigned char *)dp +
(v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
trunc:
return (NULL);
}
void
vtp_print(netdissect_options *ndo,
const u_char *pptr, u_int length)
{
u_int type, len, name_len, tlv_len, tlv_value, mgmtd_len;
const u_char *tptr;
const struct vtp_vlan_ *vtp_vlan;
ndo->ndo_protocol = "vtp";
if (length < VTP_HEADER_LEN)
goto trunc;
tptr = pptr;
ND_TCHECK_LEN(tptr, VTP_HEADER_LEN);
type = EXTRACT_U_1(tptr + 1);
ND_PRINT("VTPv%u, Message %s (0x%02x), length %u",
EXTRACT_U_1(tptr),
tok2str(vtp_message_type_values,"Unknown message type", type),
type,
length);
/* In non-verbose mode, just print version and message type */
if (ndo->ndo_vflag < 1) {
return;
}
/* verbose mode print all fields */
ND_PRINT("\n\tDomain name: ");
mgmtd_len = EXTRACT_U_1(tptr + 3);
if (mgmtd_len < 1 || mgmtd_len > 32) {
ND_PRINT(" [invalid MgmtD Len %u]", mgmtd_len);
return;
}
nd_printzp(ndo, tptr + 4, mgmtd_len, NULL);
ND_PRINT(", %s: %u",
tok2str(vtp_header_values, "Unknown", type),
EXTRACT_U_1(tptr + 2));
tptr += VTP_HEADER_LEN;
switch (type) {
case VTP_SUMMARY_ADV:
/*
* SUMMARY ADVERTISEMENT
*
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Version | Code | Followers | MgmtD Len |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Management Domain Name (zero-padded to 32 bytes) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Configuration revision number |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Updater Identity IP address |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Update Timestamp (12 bytes) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | MD5 digest (16 bytes) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
ND_TCHECK_8(tptr);
ND_PRINT("\n\t Config Rev %x, Updater %s",
EXTRACT_BE_U_4(tptr),
ipaddr_string(ndo, tptr+4));
tptr += 8;
ND_TCHECK_LEN(tptr, VTP_UPDATE_TIMESTAMP_LEN);
ND_PRINT(", Timestamp 0x%08x 0x%08x 0x%08x",
EXTRACT_BE_U_4(tptr),
EXTRACT_BE_U_4(tptr + 4),
EXTRACT_BE_U_4(tptr + 8));
tptr += VTP_UPDATE_TIMESTAMP_LEN;
ND_TCHECK_LEN(tptr, VTP_MD5_DIGEST_LEN);
ND_PRINT(", MD5 digest: %08x%08x%08x%08x",
EXTRACT_BE_U_4(tptr),
EXTRACT_BE_U_4(tptr + 4),
EXTRACT_BE_U_4(tptr + 8),
EXTRACT_BE_U_4(tptr + 12));
tptr += VTP_MD5_DIGEST_LEN;
break;
case VTP_SUBSET_ADV:
/*
* SUBSET ADVERTISEMENT
*
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Version | Code | Seq number | MgmtD Len |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Management Domain Name (zero-padded to 32 bytes) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Configuration revision number |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | VLAN info field 1 |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | ................ |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | VLAN info field N |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
ND_TCHECK_4(tptr);
ND_PRINT(", Config Rev %x", EXTRACT_BE_U_4(tptr));
/*
* VLAN INFORMATION
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | V info len | Status | VLAN type | VLAN name len |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | ISL vlan id | MTU size |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | 802.10 index (SAID) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | VLAN name |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
tptr += 4;
while (tptr < (pptr+length)) {
ND_TCHECK_1(tptr);
len = EXTRACT_U_1(tptr);
if (len == 0)
break;
ND_TCHECK_LEN(tptr, len);
vtp_vlan = (const struct vtp_vlan_*)tptr;
if (len < VTP_VLAN_INFO_FIXED_PART_LEN)
goto trunc;
ND_TCHECK_SIZE(vtp_vlan);
ND_PRINT("\n\tVLAN info status %s, type %s, VLAN-id %u, MTU %u, SAID 0x%08x, Name ",
tok2str(vtp_vlan_status,"Unknown",EXTRACT_U_1(vtp_vlan->status)),
tok2str(vtp_vlan_type_values,"Unknown",EXTRACT_U_1(vtp_vlan->type)),
EXTRACT_BE_U_2(vtp_vlan->vlanid),
EXTRACT_BE_U_2(vtp_vlan->mtu),
EXTRACT_BE_U_4(vtp_vlan->index));
len -= VTP_VLAN_INFO_FIXED_PART_LEN;
tptr += VTP_VLAN_INFO_FIXED_PART_LEN;
name_len = EXTRACT_U_1(vtp_vlan->name_len);
if (len < 4*((name_len + 3)/4))
goto trunc;
ND_TCHECK_LEN(tptr, name_len);
nd_printzp(ndo, tptr, name_len, NULL);
/*
* Vlan names are aligned to 32-bit boundaries.
*/
len -= 4*((name_len + 3)/4);
tptr += 4*((name_len + 3)/4);
/* TLV information follows */
while (len > 0) {
/*
* Cisco specs say 2 bytes for type + 2 bytes for length;
* see http://docstore.mik.ua/univercd/cc/td/doc/product/lan/trsrb/frames.htm
* However, actual packets on the wire appear to use 1
* byte for the type and 1 byte for the length, so that's
* what we do.
*/
if (len < 2)
goto trunc;
ND_TCHECK_2(tptr);
type = EXTRACT_U_1(tptr);
tlv_len = EXTRACT_U_1(tptr + 1);
ND_PRINT("\n\t\t%s (0x%04x) TLV",
tok2str(vtp_vlan_tlv_values, "Unknown", type),
type);
if (len < tlv_len * 2 + 2) {
ND_PRINT(" (TLV goes past the end of the packet)");
return;
}
ND_TCHECK_LEN(tptr, tlv_len * 2 + 2);
/*
* We assume the value is a 2-byte integer; the length is
* in units of 16-bit words.
*/
if (tlv_len != 1) {
ND_PRINT(" (invalid TLV length %u != 1)", tlv_len);
return;
} else {
tlv_value = EXTRACT_BE_U_2(tptr + 2);
switch (type) {
case VTP_VLAN_STE_HOP_COUNT:
ND_PRINT(", %u", tlv_value);
break;
case VTP_VLAN_PRUNING:
ND_PRINT(", %s (%u)",
tlv_value == 1 ? "Enabled" : "Disabled",
tlv_value);
break;
case VTP_VLAN_STP_TYPE:
ND_PRINT(", %s (%u)",
tok2str(vtp_stp_type_values, "Unknown", tlv_value),
tlv_value);
break;
case VTP_VLAN_BRIDGE_TYPE:
ND_PRINT(", %s (%u)",
tlv_value == 1 ? "SRB" : "SRT",
tlv_value);
break;
case VTP_VLAN_BACKUP_CRF_MODE:
ND_PRINT(", %s (%u)",
tlv_value == 1 ? "Backup" : "Not backup",
tlv_value);
break;
/*
* FIXME those are the defined TLVs that lack a decoder
* you are welcome to contribute code ;-)
*/
case VTP_VLAN_SOURCE_ROUTING_RING_NUMBER:
case VTP_VLAN_SOURCE_ROUTING_BRIDGE_NUMBER:
case VTP_VLAN_PARENT_VLAN:
case VTP_VLAN_TRANS_BRIDGED_VLAN:
case VTP_VLAN_ARP_HOP_COUNT:
default:
print_unknown_data(ndo, tptr, "\n\t\t ", 2 + tlv_len*2);
break;
}
}
len -= 2 + tlv_len*2;
tptr += 2 + tlv_len*2;
}
}
break;
case VTP_ADV_REQUEST:
/*
* ADVERTISEMENT REQUEST
*
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Version | Code | Reserved | MgmtD Len |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Management Domain Name (zero-padded to 32 bytes) |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Start value |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
*/
ND_TCHECK_4(tptr);
ND_PRINT("\n\tStart value: %u", EXTRACT_BE_U_4(tptr));
break;
case VTP_JOIN_MESSAGE:
/* FIXME - Could not find message format */
break;
default:
break;
}
return;
trunc:
nd_print_trunc(ndo);
}
static void
print_attr_strange(netdissect_options *ndo,
const u_char *data, u_int length, u_short attr_code)
{
u_short len_data;
u_int error_cause_value;
switch(attr_code)
{
case ARAP_PASS:
if (length != 16)
{
ND_PRINT("ERROR: length %u != 16", length);
return;
}
ND_PRINT("User_challenge (");
ND_TCHECK_8(data);
len_data = 8;
PRINT_HEX(len_data, data);
ND_PRINT(") User_resp(");
ND_TCHECK_8(data);
len_data = 8;
PRINT_HEX(len_data, data);
ND_PRINT(")");
break;
case ARAP_FEATURES:
if (length != 14)
{
ND_PRINT("ERROR: length %u != 14", length);
return;
}
ND_TCHECK_1(data);
if (EXTRACT_U_1(data))
ND_PRINT("User can change password");
else
ND_PRINT("User cannot change password");
data++;
ND_TCHECK_1(data);
ND_PRINT(", Min password length: %u", EXTRACT_U_1(data));
data++;
ND_PRINT(", created at: ");
ND_TCHECK_4(data);
len_data = 4;
PRINT_HEX(len_data, data);
ND_PRINT(", expires in: ");
ND_TCHECK_4(data);
len_data = 4;
PRINT_HEX(len_data, data);
ND_PRINT(", Current Time: ");
ND_TCHECK_4(data);
len_data = 4;
PRINT_HEX(len_data, data);
break;
case ARAP_CHALLENGE_RESP:
if (length < 8)
{
ND_PRINT("ERROR: length %u != 8", length);
return;
}
ND_TCHECK_8(data);
len_data = 8;
PRINT_HEX(len_data, data);
break;
case ERROR_CAUSE:
if (length != 4)
{
ND_PRINT("Error: length %u != 4", length);
return;
}
ND_TCHECK_4(data);
error_cause_value = EXTRACT_BE_U_4(data);
ND_PRINT("Error cause %u: %s", error_cause_value, tok2str(errorcausetype, "Error-Cause %u not known", error_cause_value));
break;
}
return;
trunc:
nd_print_trunc(ndo);
}
