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* ikev2: Reduce timeout if path probing was enabledTobias Brunner2014-09-121-6/+13
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* ikev2: Defer MOBIKE updates if no path is availableTobias Brunner2014-09-121-7/+14
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* ike-mobike: Allow calling transmit() even when not currently path probingTobias Brunner2014-09-121-5/+17
| | | | Path probing is enabled if the current path is not available anymore.
* ikev2: Defer path probing if no path is currently availableTobias Brunner2014-09-121-1/+20
| | | | | We do the same before initiating the task, so we should probably do it too when we already initiated it, not just time out and destroy the SA.
* ike-mobike: Return FALSE in transmit() if no path was availableTobias Brunner2014-09-122-3/+7
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* ikev2: Enable path probing for currently active MOBIKE taskTobias Brunner2014-09-121-0/+18
| | | | | | | This might not be the case if e.g. an address appeared but the old one is still available but not actually usable. Without this the MOBIKE task would eventually time out even though we might be able to switch to a working address.
* ike-mobike: Add method to enable path probingTobias Brunner2014-09-122-0/+12
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* ike-mobike: Skip peer addresses we can't send packets to when checking pathsTobias Brunner2014-09-121-5/+18
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* ikev2: Skip peer addresses we can't send packets to when looking for valid pathsTobias Brunner2014-09-121-0/+18
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* ikev2: Insert MOBIKE tasks at the front of the queueTobias Brunner2014-09-121-1/+6
| | | | | In case we have no usable path to the other peer there is no point in initiating any other tasks (like rekeying).
* ikev2: Migrate number of pending MOBIKE updatesTobias Brunner2014-09-121-0/+5
| | | | | This will probably never be more than 1 since we only have one task queued at a time and we don't migrate running tasks.
* ikev2: Properly keep track of pending MOBIKE updatesTobias Brunner2014-09-121-8/+27
| | | | | | | | Because we only queue one MOBIKE task at a time, but destroy superfluous ones only after we already increased the counter for pending MOBIKE updates, we have to reduce the counter when such tasks are destroyed. Otherwise, the queued task would assume another task is queued when it is running and ignore any successful response.
* child-cfg: Ignore duplicate proposalsTobias Brunner2014-09-121-0/+11
| | | | | If ESP proposals are added once with and once without DH groups duplicates result during IKE_AUTH when DH groups are stripped.
* proposal: Fix equals()Tobias Brunner2014-09-121-5/+5
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* eap-radius: Forward Cisco and Microsoft specific DNS/NBNS attributesTobias Brunner2014-09-091-0/+50
| | | | Fixes #677.
* ikev1: Make sure proposed IPsec mode matches our ownTobias Brunner2014-09-091-1/+2
| | | | References #557.
* ike: Reset IKE_SA in state CONNECTING instead of reauthenticatingTobias Brunner2014-09-091-0/+8
| | | | | | | | Due to how reauthentication works for IKEv1 we could get a second IKE_SA, which might cause problems, when connectivity problems arise when the connection is initially established. Fixes #670.
* ha: Don't adopt IKEv1 children when building without IKEv1 supportMartin Willi2014-08-281-0/+2
| | | | | | | The adopt_children_job_create() function is not available when IKEv1 support is disabled. Fixes uncommon builds using --enable-ha --disable-ikev1. Fixes #690.
* unity: Do not bump TS to 0.0.0.0/0 as initiator when no Split-Include receivedMartin Willi2014-08-251-1/+21
| | | | | | | When having the unity plugin enabled and both peers send the Unity Vendor ID, we proposed 0.0.0.0/0 as traffic selector, even if no Split-Include has been received on the SA. This can break compatibility with some responders, as they don't narrow the TS themselves, but expect the configured TS.
* unity: Handle narrowing according to roles in the IKE_SATobias Brunner2014-08-251-16/+33
| | | | | | Since the narrow hook types reflect the roles in the Quick Mode exchange the plugin behaved incorrectly if the server initiated the CHILD_SA rekeying.
* ikev1: Defer Mode Config push after CHILD adoption when using XAuthMartin Willi2014-08-254-6/+40
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* ikev1: Defer Mode Config push after CHILD adoption and reauth detectionMartin Willi2014-08-252-10/+35
| | | | | | | | When an initiator starts reauthentication on a connection that uses push mode to assign a virtual IP, we can't execute the Mode Config before releasing the virtual IP. Otherwise we would request a new and different lease, which the client probably can't handle. Defer Mode Config execution, so the same IP gets first released then reassigned during reauthentication.
* ikev1: Extend adopt_children_job by task queuing, executed after adoptionMartin Willi2014-08-252-0/+48
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* ikev1: Accept Quick Mode DELETES while Quick Mode rekeying is activeMartin Willi2014-08-251-2/+21
| | | | | | | | | | If a peer immediately sends DELETE messages when completing Quick Mode rekeying, the third Quick Mode message and the DELETE are sent simultaneously. This implies that DELETE messages may arrive before the completing third Quick Mode message. Handle this case by ignoring the DELETE INFORMATIONAL in Quick Mode and let the delete task handle it.
* ike-sa-manager: Use transient hasher for IKE_SA_INIT hash calculationChristophe Gouault2014-08-251-32/+11
| | | | | | | | | | | | | | | | To check if a received IKE_SA_INIT request is a new request or a retransmit, charon maintains hashes of the pending IKE_SA_INIT exchanges. However, the hash calculation is not reentrant because a single hasher is used for the whole IKE SA manager. It leads to bogus calculations under high load and hence dropped messages on responder (IkeInInvalidSpi incremented). Don't share a single hasher in the IKE SA manager, create a transient one whenever a message must be hashed. Signed-off-by: Christophe Gouault <christophe.gouault@6wind.com>
* bus: Add ike_reestablish_pre hook, called before DNS resolutionTobias Brunner2014-07-224-9/+69
| | | | | The old hook is renamed to ike_reestablish_post and is now also called when the initiation of the new IKE_SA failed.
* receiver: Send a single INVALID_MAJOR_VERSION notify for IKE version > 2Martin Willi2014-07-171-3/+1
| | | | | | | | | We sent both a notify using IKEv1 and IKEv2. This is a little more aggressive than required, RFC 5996 says we "SHOULD send an unauthenticated Notify message of type INVALID_MAJOR_VERSION containing the highest (closest) version number it supports". Fixes #657.
* xauth-pam: Add workaround for null-terminated passwordsTobias Brunner2014-07-071-1/+6
| | | | Fixes #631.
* stroke: Don't log unspecified options of conn and ca sectionsTobias Brunner2014-06-301-37/+50
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* libvici: Add missing argument to Doxygen commentTobias Brunner2014-06-301-0/+1
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* Fixed some typosTobias Brunner2014-06-302-2/+2
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* updown: Force subnet address to be numericTobias Brunner2014-06-251-2/+2
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* eap-radius: Increase buffer for accounting attributes to maximum attribute sizeMartin Willi2014-06-251-1/+1
| | | | Fixes #624.
* android: Update Android.mk files to match changes due to the Windows portTobias Brunner2014-06-241-1/+3
| | | | Makes them easier to compare to the original Makefile.am.
* vici: Install libvici in ipseclibdir like we do with other librariesTobias Brunner2014-06-191-1/+1
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* kernel-interface: Add destination prefix to get_nexthop()Tobias Brunner2014-06-193-4/+4
| | | | | This allows to determine the next hop to reach a subnet, for instance, when installing routes for shunt policies.
* shunt-manager: Install passthrough policies with highest priorityTobias Brunner2014-06-191-9/+34
| | | | | | This avoids conflicts with regular IPsec policies. Similarly, use the lowest priority for drop policies.
* load-tester: Add a crl option to include a CRL uri in generated certificatesMartin Willi2014-06-191-1/+21
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* bus: Properly va_copy() argument list before passing it to printf() functionsMartin Willi2014-06-191-1/+3
| | | | | | | | As we later potentially use args again, we can't consume it with printf functions without copying it first. Clone list before passing it to any consuming function. Fixes #621.
* child-sa: Set replay window on both inbound and outbound SAMartin Willi2014-06-181-6/+2
| | | | | | | | While the outbound SA actually does not need a replay window, the kernel rejects zero replay windows on SAs using ESN. The ESN flag is required to use the full sequence number in ICV calculation, hence we set the replay window. This restores the behavior we had before 30c009c2.
* ikev1: Allow late connection switching based on XAuth usernameTobias Brunner2014-06-181-6/+0
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* vici: Support memory stats without leak-detective on WindowsMartin Willi2014-06-171-0/+53
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* vici: Add a stats command returning various daemon infos and statisticsMartin Willi2014-06-171-0/+104
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* vici: Support a replay_window CHILD_SA optionMartin Willi2014-06-171-0/+16
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* starter: Add a replay_window connection optionMartin Willi2014-06-171-0/+4
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* kernel-interface: Add a replay_window parameter to add_sa()Martin Willi2014-06-174-8/+15
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* child-cfg: Store connection specific replay window on CHILD_SA configMartin Willi2014-06-172-0/+38
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* socket-win: Use non-overlapped I/O and socket event selectionMartin Willi2014-06-171-31/+13
| | | | | | | | The use of overlapped I/O was incorrect, as we passed stack based buffers, but did not cancel/wait for pending completion on all sockets. Our receive-from-all socket interface is actually tricky to implement using overlapped I/O. Switch to WSAEventSelect() event management, which can be canceled properly while working in a select()-like way.
* bus: Add a handle_vips() hook invoked after handling configuration attributesMartin Willi2014-06-176-0/+53
| | | | | | | | | Similar to assign_vips() used by a peer assigning virtual IPs to the other peer, the handle_vips() hook gets invoked on a peers after receiving attributes. On release of the same attributes the hook gets invoked again. This is useful to inspect handled attributes, as the ike_updown() hook is invoked after authentication, when attributes have not been handled yet.
* ikev1: Invoke the assign_vips() bus hook for IKEv1 as wellMartin Willi2014-06-162-3/+7
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