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IKEv1: Added basic support for INFORMATIONAL exchange types, and for NOTIFY_V1 messages in the 3rd message in quick_mode.

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Clavister OpenSource
2012-03-20 17:31:11 +01:00
parent f00ffe4dd2
commit 07abb470c6
4 changed files with 83 additions and 12 deletions
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src/libcharon/encoding/message.c
+13 -9
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@@ -574,6 +574,7 @@ static payload_order_t aggressive_r_order[] = {
*/
static payload_rule_t informational_i_rules_v1[] = {
/* payload type min max encr suff */
{NOTIFY_V1, 0, MAX_NOTIFY_PAYLOADS, FALSE, FALSE},
{NOTIFY_V1, 0, MAX_NOTIFY_PAYLOADS, TRUE, FALSE},
{DELETE_V1, 0, MAX_DELETE_PAYLOADS, TRUE, FALSE},
{VENDOR_ID_V1, 0, MAX_VID_PAYLOADS, TRUE, FALSE},
@@ -1946,22 +1947,25 @@ METHOD(message_t, parse_body, status_t,
{
hash_payload_t *hash_payload;
chunk_t other_hash;
if (this->first_payload != HASH_V1)
if ((this->first_payload != HASH_V1) && (this->public.get_exchange_type(&this->public) != INFORMATIONAL_V1))
{
DBG1(DBG_ENC, "expected HASH payload as first payload");
chunk_free(&hash);
return VERIFY_ERROR;
}
hash_payload = (hash_payload_t*)get_payload(this, HASH_V1);
other_hash = hash_payload->get_hash(hash_payload);
if (!chunk_equals(hash, other_hash))
if (this->first_payload == HASH_V1)
{
DBG1(DBG_ENC, "our hash does not match received %B",
&other_hash);
chunk_free(&hash);
return FAILED;
hash_payload = (hash_payload_t*)get_payload(this, HASH_V1);
other_hash = hash_payload->get_hash(hash_payload);
if (!chunk_equals(hash, other_hash))
{
DBG1(DBG_ENC, "our hash does not match received %B",
&other_hash);
chunk_free(&hash);
return FAILED;
}
DBG2(DBG_ENC, "verified IKEv1 message with hash %B", &hash);
}
DBG2(DBG_ENC, "verified IKEv1 message with hash %B", &hash);
chunk_free(&hash);
}
}