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Author SHA1 Message Date
Tobias Brunner 1cc4ec46cf Task added for IKEv1 NAT detection. 
There is already support for both Main and Aggressive Mode.
 2012-03-20 17:31:10 +01:00
Tobias Brunner 61e2a1ad8a Create negotiated hasher earlier during Main Mode so it is available for building NAT-D payloads. 2012-03-20 17:31:10 +01:00
Tobias Brunner 4ace4daf0c Added a function to keymat_v1 to create the hasher earlier than during key derivation. 
The negotiated hasher is also used to generate NAT-D payloads.
 2012-03-20 17:31:10 +01:00
Tobias Brunner a0bea44a97 Message rules for IKEv1 NAT-T payloads added. 2012-03-20 17:31:10 +01:00
Clavister OpenSource c5dc9d3383 IKEv1 XAuth: Moving the state change to IKE_CONNECTED until after XAuth exchanges are complete. 2012-03-20 17:31:10 +01:00
Clavister OpenSource 02c36eeb86 IKEv1 XAuth: Adding "initiate" flag parameter to the initiate_xauth method, signalling whether or not to call the task_manager->initiate method after queueing the task. 2012-03-20 17:31:10 +01:00
Tobias Brunner 06d29be714 Handle IKEv1 NAT-T vendor ID payload (only RFC 3947 for now). 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
Clavister OpenSource 3fa8db8b59 IKEv1 XAuth: Clean up debug prints in xauth_request task. 2012-03-20 17:31:09 +01:00
Clavister OpenSource 735fa3e5b9 IKEv1 XAuth: Remove XAuth task from the passive task list for ID_PROT. 2012-03-20 17:31:09 +01:00
Clavister OpenSource 0ea77083bb Revert "IKEv1 XAuth: Added new MIGRATE status type to status_t." 
This reverts commit b57df8310a867a0a65abf17279bf1b6e6bb2f5d3.

Conflicts:

	src/libcharon/sa/task_manager_v1.c
 2012-03-20 17:31:09 +01:00
Clavister OpenSource c961d110ab IKEv1 XAuth + CfgMode: Added ability to process CfgMode messages in the xauth task. Migrated away from using the MIGRATE method to switch queues. 2012-03-20 17:31:09 +01:00
Clavister OpenSource ef2eac7fb0 IKEv1 XAuth: Change the main_mode task to use the new initiate_xauth job instead of the old MIGRATE method. 2012-03-20 17:31:09 +01:00
Clavister OpenSource 56fb0f0b3a IKEv1 XAuth: Added XAuthResp authentication modes. 2012-03-20 17:31:09 +01:00
Clavister OpenSource 2e210e3ef5 IKEv1 XAuth: Added a job to call the initiate_xauth method of ike_sa after the completion of the current set of tasks is complete. 2012-03-20 17:31:09 +01:00
Clavister OpenSource 65359ccbbc IKEv1 XAuth: Add "initiate xauth" method, which adds the xauth task into the queue for initiation. 2012-03-20 17:31:09 +01:00
Tobias Brunner 9eefb5f9b4 Use quiet generator when creating IKEv1 message hashes. 
This avoids cluttering the log with duplicate log messages when
generating and especially confusing log messages when parsing
authenticated messages.
 2012-03-20 17:31:09 +01:00
Tobias Brunner 24ddf03f52 Added an option to create a generator that does not log debug messages. 2012-03-20 17:31:09 +01:00
Tobias Brunner 4cfd0db854 Respond with NO_PROPOSAL_CHOSEN, if we don't find an ike_cfg. 2012-03-20 17:31:09 +01:00
Tobias Brunner 6be8d33daa Don't respond to malformed INFORMATIONAL_V1 messages with another INFORMATIONAL_V1 exchange. 2012-03-20 17:31:08 +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 b235e69cde Send an INFORMATIONAL message on IKEv1 parse errors. 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 e6732003f4 Error reporting for invalid IKEv2 responses fixed. 2012-03-20 17:31:08 +01:00
Tobias Brunner 7519106d07 Set request flag to proper value for IKEv1 messages before parsing them. 2012-03-20 17:31:08 +01:00
Tobias Brunner 1960312cfd Avoid parsing retransmits we already responded to. 
Decryption will fail as we already moved the IV when we sent the
response. Without this change, encrypted retransmits would have been
discarded during parsing already.
 2012-03-20 17:31:08 +01:00
Tobias Brunner 68c6863bbb Moved main part of message processing to task managers. 
This will allow individual error handling for each IKE version and should
allow better handling of IKEv1 retransmits.
 2012-03-20 17:31:08 +01:00
Tobias Brunner 44ff1153e8 Addded ike_sa_t.set_statistic to set timestamps from task manager. 2012-03-20 17:31:08 +01:00
Tobias Brunner 38d189eee9 Compiler warning fixed in prf_plus_t. 2012-03-20 17:31:07 +01:00
Tobias Brunner fd24c700fb Use proper enum types in proposal_substructure. 2012-03-20 17:31:07 +01:00
Clavister OpenSource 52ac2cebe2 IKEv1 XAuth: Fix XAuth task so that it reinitiates. 2012-03-20 17:31:07 +01:00
Clavister OpenSource e63cb7f816 Revert "IKEv1 XAuth: Temporarilty add an "initiate_later" flag to the task manager. When set to TRUE it will cause "initiate" to be called when the current process_response call is finished. This change should be reverted once we have a better method in place." 
This reverts commit c6c28f4ac522dd8afb457847bca79eee77f78706.

Revert "IKEv1 XAuth: Added temporary "initiate_xauth" public method to ike_sa_t.  This allows us to initiate an XAuth password authentication exchange after responding to the final message of Main Mode.  This change should be reverted once we have a better method to initiate this exchange."

This reverts commit 5529dc50477e25df9dd5f3c442bb1521c0baf225.
 2012-03-20 17:31:07 +01:00
Clavister OpenSource 2c49c53186 IKEv1 XAuth: Fix main mode to work with XAuth PSK. 2012-03-20 17:31:07 +01:00
Martin Willi a2f8fc9711 Use a dedicated IKEv1 vendor ID task to fix using IKEv2 payloads in IKEv1 2012-03-20 17:31:07 +01:00
Martin Willi abf9784786 Pass concrete auth_method to key derivation, as we have that as a responder 2012-03-20 17:30:53 +01:00
Martin Willi b4e815354c Map auth_class to auth method and IKEv1 proposal attribute 2012-03-20 17:30:53 +01:00
Martin Willi eeca2af81c Removed obsolete transform attribute setters 2012-03-20 17:30:53 +01:00
Martin Willi 914ec2dbf2 Implemented IKEv1 attribute encoding in SA payload 2012-03-20 17:30:53 +01:00
Martin Willi fbebc2a068 Implemented encoding of additional IKEv1 proposal attributes 2012-03-20 17:30:53 +01:00
Martin Willi cd0017d452 Exchange IKEv1 ESP SA proposal information 2012-03-20 17:30:53 +01:00
Martin Willi 132d5c56de Exchange IKEv1 SA specific proposal data with SA payload 2012-03-20 17:30:52 +01:00
Martin Willi e174e0d445 Added not-yet used sa_payload parameters used in IKEv1 2012-03-20 17:30:52 +01:00
Martin Willi d08269c700 Added a get_rekey/reauth_time() jitter parameter to get time without randomization 2012-03-20 17:30:52 +01:00
Clavister OpenSource b03c700d08 IKEv1 XAuth: Changed the xauth_request task to use the new MIGRATE status. 2012-03-20 17:30:52 +01:00
Clavister OpenSource b94f248ea9 IKEv1 XAuth: Added new MIGRATE status type to status_t. 
When a task returns this status from a build or process method, it is a signal to the task manager that it should treat it as if the task returned SUCCESS.
  Additionally it will migrate all remaining tasks from the current queue to a different one, calling swap_initiator for each applicable task.
  Finally, the task manager will call "initiate", if applicable, to kick off tasks in the "queued_tasks" queue.
  Task queue relocation mapping:
	  passive_tasks moves to queued_tasks (which is then fed to active by the initiate call).
	  active_tasks moves to passive_tasks
 2012-03-20 17:30:52 +01:00
Clavister OpenSource 46897273d7 IKEv1 XAuth: Added new "swap_initiator" method to the standard task_t interface. This is needed for when we move a task from the passive queue to the active one. I'm not a huge fan of this method of doing things. Perhaps we should change task_t to have build_i, build_r, process_i, and process_r methods, and call the appropriate one from the task manager, since we have these methods for most tasks anyways. 2012-03-20 17:30:52 +01:00
Clavister OpenSource cc50df9e6c IKEv1 XAuth: XAuthInitPreShared working for XAuth initiator (Main Mode responder). Creates USER/PASS request, retrieves the result and sends status. 2012-03-20 17:30:52 +01:00
Clavister OpenSource 2d97ec0d35 IKEv1 XAuth: Added ability to initiate the XAuth transactions under a flag, default not to initiate XAuth. 2012-03-20 17:30:52 +01:00
Clavister OpenSource 8b30286fcf IKEv1 XAuth: Add XAUTH authentication types to the enum. Added the ability to switch between hardcoded PSK and XAUTH_INIT_PSK authentications using a flag, default to PSK. 2012-03-20 17:30:52 +01:00