tptr = pptr;
- ND_TCHECK2(*tptr, VTP_HEADER_LEN);
+ ND_TCHECK_LEN(tptr, VTP_HEADER_LEN);
- type = *(tptr+1);
+ type = EXTRACT_U_1(tptr + 1);
ND_PRINT((ndo, "VTPv%u, Message %s (0x%02x), length %u",
- *tptr,
+ EXTRACT_U_1(tptr),
tok2str(vtp_message_type_values,"Unknown message type", type),
type,
length));
/* verbose mode print all fields */
ND_PRINT((ndo, "\n\tDomain name: "));
- mgmtd_len = *(tptr + 3);
+ mgmtd_len = EXTRACT_U_1(tptr + 3);
if (mgmtd_len < 1 || mgmtd_len > 32) {
ND_PRINT((ndo, " [invalid MgmtD Len %d]", mgmtd_len));
return;
fn_printzp(ndo, tptr + 4, mgmtd_len, NULL);
ND_PRINT((ndo, ", %s: %u",
tok2str(vtp_header_values, "Unknown", type),
- *(tptr+2)));
+ EXTRACT_U_1(tptr + 2)));
tptr += VTP_HEADER_LEN;
*
*/
- ND_TCHECK2(*tptr, 8);
+ ND_TCHECK_8(tptr);
ND_PRINT((ndo, "\n\t Config Rev %x, Updater %s",
- EXTRACT_32BITS(tptr),
+ EXTRACT_BE_U_4(tptr),
ipaddr_string(ndo, tptr+4)));
tptr += 8;
- ND_TCHECK2(*tptr, VTP_UPDATE_TIMESTAMP_LEN);
+ ND_TCHECK_LEN(tptr, VTP_UPDATE_TIMESTAMP_LEN);
ND_PRINT((ndo, ", Timestamp 0x%08x 0x%08x 0x%08x",
- EXTRACT_32BITS(tptr),
- EXTRACT_32BITS(tptr + 4),
- EXTRACT_32BITS(tptr + 8)));
+ EXTRACT_BE_U_4(tptr),
+ EXTRACT_BE_U_4(tptr + 4),
+ EXTRACT_BE_U_4(tptr + 8)));
tptr += VTP_UPDATE_TIMESTAMP_LEN;
- ND_TCHECK2(*tptr, VTP_MD5_DIGEST_LEN);
+ ND_TCHECK_LEN(tptr, VTP_MD5_DIGEST_LEN);
ND_PRINT((ndo, ", MD5 digest: %08x%08x%08x%08x",
- EXTRACT_32BITS(tptr),
- EXTRACT_32BITS(tptr + 4),
- EXTRACT_32BITS(tptr + 8),
- EXTRACT_32BITS(tptr + 12)));
+ 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;
*
*/
- ND_TCHECK_32BITS(tptr);
- ND_PRINT((ndo, ", Config Rev %x", EXTRACT_32BITS(tptr)));
+ ND_TCHECK_4(tptr);
+ ND_PRINT((ndo, ", Config Rev %x", EXTRACT_BE_U_4(tptr)));
/*
* VLAN INFORMATION
tptr += 4;
while (tptr < (pptr+length)) {
- ND_TCHECK_8BITS(tptr);
- len = *tptr;
+ ND_TCHECK_1(tptr);
+ len = EXTRACT_U_1(tptr);
if (len == 0)
break;
- ND_TCHECK2(*tptr, len);
+ ND_TCHECK_LEN(tptr, len);
vtp_vlan = (const struct vtp_vlan_*)tptr;
if (len < VTP_VLAN_INFO_FIXED_PART_LEN)
ND_PRINT((ndo, "\n\tVLAN info status %s, type %s, VLAN-id %u, MTU %u, SAID 0x%08x, Name ",
tok2str(vtp_vlan_status,"Unknown",vtp_vlan->status),
tok2str(vtp_vlan_type_values,"Unknown",vtp_vlan->type),
- EXTRACT_16BITS(&vtp_vlan->vlanid),
- EXTRACT_16BITS(&vtp_vlan->mtu),
- EXTRACT_32BITS(&vtp_vlan->index)));
+ 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;
if (len < 4*((vtp_vlan->name_len + 3)/4))
goto trunc;
- ND_TCHECK2(*tptr, vtp_vlan->name_len);
+ ND_TCHECK_LEN(tptr, vtp_vlan->name_len);
fn_printzp(ndo, tptr, vtp_vlan->name_len, NULL);
/*
*/
if (len < 2)
goto trunc;
- ND_TCHECK2(*tptr, 2);
- type = *tptr;
- tlv_len = *(tptr+1);
+ ND_TCHECK_2(tptr);
+ type = EXTRACT_U_1(tptr);
+ tlv_len = EXTRACT_U_1(tptr + 1);
ND_PRINT((ndo, "\n\t\t%s (0x%04x) TLV",
tok2str(vtp_vlan_tlv_values, "Unknown", type),
ND_PRINT((ndo, " (TLV goes past the end of the packet)"));
return;
}
- ND_TCHECK2(*tptr, tlv_len * 2 +2);
+ ND_TCHECK_LEN(tptr, tlv_len * 2 + 2);
/*
* We assume the value is a 2-byte integer; the length is
ND_PRINT((ndo, " (invalid TLV length %u != 1)", tlv_len));
return;
} else {
- tlv_value = EXTRACT_16BITS(tptr+2);
+ tlv_value = EXTRACT_BE_U_2(tptr + 2);
switch (type) {
case VTP_VLAN_STE_HOP_COUNT:
*
*/
- ND_TCHECK2(*tptr, 4);
- ND_PRINT((ndo, "\n\tStart value: %u", EXTRACT_32BITS(tptr)));
+ ND_TCHECK_4(tptr);
+ ND_PRINT((ndo, "\n\tStart value: %u", EXTRACT_BE_U_4(tptr)));
break;
case VTP_JOIN_MESSAGE: