Added payloads for IKEv1 NAT-Traversal negotiation.

This commit is contained in:
Tobias Brunner
2012-03-20 17:31:09 +01:00
parent 3fa8db8b59
commit 1e97783c99
8 changed files with 52 additions and 17 deletions
+14 -8
View File
@@ -1,9 +1,8 @@
/*
* Copyright (C) 2005-2010 Martin Willi
* Copyright (C) 2005-2011 Martin Willi
* Copyright (C) 2010 revosec AG
* Copyright (C) 2007 Tobias Brunner
* Copyright (C) 2007-2011 Tobias Brunner
* Copyright (C) 2005 Jan Hutter
*
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
@@ -82,7 +81,7 @@ struct private_id_payload_t {
u_int16_t port;
/**
* one of ID_INITIATOR, ID_RESPONDER and IDv1
* one of ID_INITIATOR, ID_RESPONDER, IDv1 and NAT_OA_V1
*/
payload_type_t type;
};
@@ -92,9 +91,9 @@ struct private_id_payload_t {
*/
static encoding_rule_t encodings_v2[] = {
/* 1 Byte next payload type, stored in the field next_payload */
{ U_INT_8, offsetof(private_id_payload_t, next_payload) },
{ U_INT_8, offsetof(private_id_payload_t, next_payload) },
/* the critical bit */
{ FLAG, offsetof(private_id_payload_t, critical) },
{ FLAG, offsetof(private_id_payload_t, critical) },
/* 7 Bit reserved bits */
{ RESERVED_BIT, offsetof(private_id_payload_t, reserved_bit[0]) },
{ RESERVED_BIT, offsetof(private_id_payload_t, reserved_bit[1]) },
@@ -104,7 +103,7 @@ static encoding_rule_t encodings_v2[] = {
{ RESERVED_BIT, offsetof(private_id_payload_t, reserved_bit[5]) },
{ RESERVED_BIT, offsetof(private_id_payload_t, reserved_bit[6]) },
/* Length of the whole payload*/
{ PAYLOAD_LENGTH, offsetof(private_id_payload_t, payload_length) },
{ PAYLOAD_LENGTH, offsetof(private_id_payload_t, payload_length) },
/* 1 Byte ID type*/
{ U_INT_8, offsetof(private_id_payload_t, id_type) },
/* 3 reserved bytes */
@@ -166,6 +165,13 @@ METHOD(payload_t, verify, status_t,
{
bool bad_length = FALSE;
if (this->type == NAT_OA_V1 &&
this->id_type != ID_IPV4_ADDR && this->id_type != ID_IPV6_ADDR)
{
DBG1(DBG_ENC, "invalid ID type %N for %N payload", id_type_names,
this->id_type, payload_type_short_names, this->type);
return FAILED;
}
switch (this->id_type)
{
case ID_IPV4_ADDR_RANGE:
@@ -189,7 +195,7 @@ METHOD(payload_t, verify, status_t,
METHOD(payload_t, get_encoding_rules, int,
private_id_payload_t *this, encoding_rule_t **rules)
{
if (this->type == ID_V1)
if (this->type == ID_V1 || this->type == NAT_OA_V1)
{
*rules = encodings_v1;
return countof(encodings_v1);