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2e7a2c06a1121b2b1b6ce8f17860dbda081cf89d
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89 Commits
Author SHA1 Message Date
Tobias Brunner 2e7a2c06a1 message: fragment() generates message and fragments and caches them 2014-10-10 09:30:26 +02:00
Tobias Brunner e0b35142c1 message: Make packet argument optional in generate() 2014-10-10 09:30:26 +02:00
Tobias Brunner 127a98dc90 ikev1: Move fragment generation to message_t 2014-10-10 09:30:26 +02:00
Tobias Brunner 147fe503af ike: Rename encryption_payload to encrypted_payload 2014-10-10 09:30:25 +02:00
Tobias Brunner 8a6b01dd2a ikev1: Don't cache last block of INFORMATIONAL messages as IV 
We don't expect a response with the same MID, but apparently some
devices (e.g. FRITZ!Box) do that for DPDs, while still treating the
response as a new exchange.  By storing the last message block as IV
we can't decrypt the first block of such a response.

Fixes #661.
 2014-09-12 13:56:18 +02:00
Martin Willi 3ecfc83c6b payload: Use common prefixes for all payload type identifiers 
The old identifiers did not use a proper namespace and often clashed with
other defines.
 2014-06-04 15:53:03 +02:00
Martin Willi c4c9d291d2 ikev1: Add an option to accept unencrypted ID/HASH payloads 
Even in Main Mode, some Sonicwall boxes seem to send ID/HASH payloads in
unencrypted form, probably to allow PSK lookup based on the ID payloads. We
by default reject that, but accept it if the
charon.accept_unencrypted_mainmode_messages option is set in strongswan.conf.

Initial patch courtesy of Paul Stewart.
 2014-04-17 08:52:28 +02:00
Tobias Brunner e8229ad558 iv_gen: Provide external sequence number (IKE, ESP) 
This prevents duplicate sequential IVs in case of a HA failover.
 2013-10-11 15:55:40 +02:00
Martin Willi d489e75579 ikev1: Accept more than two certificate payloads 2013-10-11 10:15:21 +02:00
Martin Willi 61b0079881 message: print type of configuration payload 2013-09-03 16:26:19 +02:00
Martin Willi 8e4b258030 message: print attributes for IKEv1 configuration payloads as well 2013-09-03 16:26:19 +02:00
Tobias Brunner 84693a3d79 linked-list: Remove barely used has_more() method 
This required some refactoring when handling encrypted payloads.

Also changed log messages so that "encrypted payload" is logged instead
of "encryption payload" (even if we internally still call it that) as
that's the name used in RFC 5996.
 2013-07-17 17:42:53 +02:00
Tobias Brunner 665fac2433 Allow up to 10 NAT-D payloads in IKEv1 messages 2013-03-20 16:20:39 +01:00
Tobias Brunner af5452ba76 Allow more than one CERTREQ payload for IKEv2 
There is no reason not to do so (RFC 5996 explicitly mentions multiple
CERTREQ payloads) and some implementations seem to use the same behavior
as had to be used with IKEv1 (i.e. each CA in its own CERTREQ payload).
 2013-02-08 11:28:56 +01:00
Tobias Brunner 9b1659f52c Add message rules to properly handle IKE fragments 
These are sent in unencrypted messages and are the only payload
contained in such messages.
 2012-12-24 10:24:48 +01:00
Tobias Brunner ddfad8b67e Reset the encrypted flag when handling IKE messages that contain a fragment 
Racoon sets the encrypted bit for messages containing a fragment, but these
messages are not really encrypted (the fragmented message is though).
 2012-12-24 10:24:48 +01:00
Volker Rümelin 0ff8d20a89 Add support for draft-ietf-ipsec-nat-t-ike-03 and earlier 
This adds support for early versions of the draft that eventually
resulted in RFC 3947.
 2012-12-19 11:03:42 +01:00
Martin Willi aa51d5dd25 Increase the limit of acceptable IKEv1 CERTREQ payloads to 20 2012-10-24 13:07:53 +02:00
Martin Willi 73514b3217 Don't print hexdumps on loglevel 1 if hash verification fails 2012-07-20 17:36:27 +02:00
Martin Willi 511f0b18b9 Cleaned up memory management and return values for encryption payload 2012-07-16 14:55:07 +02:00
Martin Willi e185612dd8 Add a return value to keymat_v1_t.{get,update,confirm}_iv 2012-07-16 14:55:06 +02:00
Martin Willi a7e6539135 Use a bool return value in keymat_v1_t.get_hash_phase2() 2012-07-16 14:53:34 +02:00
Tobias Brunner 1726795fa9 Store the major IKE version on ike_sa_id_t. 2012-03-20 17:31:40 +01:00
Martin Willi bb2d4e1882 Print IKEv1 notify types in message summary 2012-03-20 17:31:35 +01:00
Martin Willi 5f2f864efc Support IKEv1 notifies in message_t.get_notify() 2012-03-20 17:31:35 +01:00
Tobias Brunner bd8d1f1d9c Accept unencrypted Aggressive Mode messages. 
Racoon does not encrypt the third message during Aggressive Mode.
 2012-03-20 17:31:34 +01:00
Martin Willi ebc7bcb550 Encrypt payloads of third aggressive mode message 2012-03-20 17:31:33 +01:00
Martin Willi 07b8ec7c00 Cast keymat safely, not based on external input 2012-03-20 17:31:30 +01:00
Martin Willi 82b1e5e270 Accept NULL as keymat when generating a message 2012-03-20 17:31:29 +01:00
Martin Willi 15a682f4c2 Separated libcharon/sa directory with ikev1 and ikev2 subfolders 2012-03-20 17:31:26 +01:00
Martin Willi 5d0458af0a Another set of cleanups in message.c 2012-03-20 17:31:25 +01:00
Martin Willi b9a707e696 Some coding style cleanups 2012-03-20 17:31:25 +01:00
Martin Willi a4cc071364 Do not trust unprotected INFORMATIONALS, just print that we got one 2012-03-20 17:31:23 +01:00
Martin Willi 3ba15819ed Remove executable flag from source code files 2012-03-20 17:31:22 +01:00
Clavister OpenSource b8383f1f2d Encrypt INFORMATIONAL exchange if needed 2012-03-20 17:31:14 +01:00
Clavister OpenSource 5d1eeec297 Handle incoming delete messages 2012-03-20 17:31:13 +01:00
Clavister OpenSource 7d9269bfce certificate handling for XAuth responder. 2012-03-20 17:31:11 +01:00
Clavister OpenSource 07abb470c6 IKEv1: Added basic support for INFORMATIONAL exchange types, and for NOTIFY_V1 messages in the 3rd message in quick_mode. 2012-03-20 17:31:11 +01:00
Tobias Brunner a0bea44a97 Message rules for IKEv1 NAT-T payloads added. 2012-03-20 17:31:10 +01:00
Tobias Brunner 1e97783c99 Added payloads for IKEv1 NAT-Traversal negotiation. 2012-03-20 17:31:09 +01:00
Tobias Brunner 37639e94fb Handle invalid IKEv1 hashes more specifically. 2012-03-20 17:31:08 +01:00
Tobias Brunner 29a5e0707e Handle unsupported IKEv1 exchange types more specifically. 2012-03-20 17:31:08 +01:00
Tobias Brunner 983e852af8 Handle INFORMATIONAL_V1 messages when no keys have been derived yet. 
This allows to gracefully process the INFORMATIONAL_V1 message rules which
require the payloads to be encrypted and thus the exchange to be
authenticated with a HASH payload.  If such an exchange is now initiated
before the ISAKMP_SA is established, the message is simply sent unencrypted
and without HASH payload.
 2012-03-20 17:31:08 +01:00
Tobias Brunner f4e21faa98 Fixed encryption of IKEv2 messages. 2012-03-20 17:30:50 +01:00
Martin Willi d020d4d695 Print message payload names after prepending IKEv1 HASH payload 2012-03-20 17:30:50 +01:00
Tobias Brunner cd200cb821 Authenticate and verify Phase 2 IKEv1 messages with appropriate hashes. 2012-03-20 17:30:50 +01:00
Martin Willi 017d98bf39 Merged IKEv1 attribute payload/data into configuration payload/attribute 2012-03-20 17:30:49 +01:00
Clavister OpenSource 54a8a94fa9 IKEv1 ConfigMode: Added TRANSACTION exchange type. Added attribute_payload (IKEv2 equiv cp_payload) and data_attribute (IKEv2 equiv configuration_attribute) payload types. Did not combine with IKEv2 because it wasn't trivial to do so. This might be a task worth investigating in the future, because there is a decent amount of shared code here. 2012-03-20 17:30:49 +01:00
Tobias Brunner d66199884f Set flags on message according to IKE version when parsing header. 2012-03-20 17:30:46 +01:00
Tobias Brunner c92f2cf36d Encrypt IKEv1 messages. 2012-03-20 17:30:46 +01:00