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* stroke: Refactor load_certdir functionMartin Willi2015-03-031-108/+158
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* vici: Don't use a default rand_time larger than half of rekey/reauth_timeMartin Willi2015-03-031-3/+11
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* vici: If a IKE reauth_time is configured, disable the default rekey_timeMartin Willi2015-03-031-1/+16
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* ikev2: Schedule a timeout for the delete message following passive IKE rekeyingMartin Willi2015-03-031-0/+6
| | | | | | | | | | | | | | | | | | | | | | | Under some conditions it can happen that the CREATE_CHILD_SA exchange for rekeying the IKE_SA initiated by the peer is successful, but the delete message does not follow. For example if processing takes just too long locally, the peer might consider us dead, but we won't notice that. As this leaves the old IKE_SA in IKE_REKEYING state, we currently avoid actively initiating any tasks, such as rekeying or scheduled DPD. This leaves the IKE_SA in a dead and unusable state. To avoid that situation, we schedule a timeout to wait for the DELETE message to follow the CREATE_CHILD_SA, before we actively start to delete the IKE_SA. Alternatively we could start a liveness check on the SA after a timeout to see if the peer still has that state and we can expect the delete to follow. But it is unclear if all peers can handle such messages in this very special state, so we currently don't go for that approach. While we could calculate the timeout based on the local retransmission timeout, the peer might use a different scheme, so a fixed timeout works as well. Fixes #742.
* vici: Support ruby gem out-of-tree buildsMartin Willi2015-02-271-1/+3
| | | | | | | Referencing $(srcdir) in the gemspec is not really an option, as "gem build" includes the full path in the gem, so we need to build in $(srcdir). As there does not seem to be a way to control the output of "gem build", we manually move the gem to $(builddir) in OOT builds.
* ha: Always install the CHILD_SAs with the inbound flag set to FALSEMartin Willi2015-02-271-2/+2
| | | | | | | | | The inbound flag is used to determine if we have to install an update or a new SA in the kernel. As we do not have allocated SPIs and therefore can't update an existing SA in the HA plugin, always set the flag to FALSE. Before 698ed656 we had extra logic for that case, but handling it directly in the HA plugin is simpler.
* forecast: Explicitly cast sockaddr to fix compiler warningTobias Brunner2015-02-231-1/+1
| | | | On Travis we compile with -Werror.
* configure: Use pkg-config to detect libiptc used by connmark/forecastTobias Brunner2015-02-232-4/+4
| | | | | This ensures the library is available. On Debian/Ubuntu it is a dynamic library provided by the iptables-dev package.
* forecast: Add the broadcast/multicast forwarding plugin called forecastMartin Willi2015-02-208-0/+1479
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* connmark: Add CONNMARK rules to select correct output SA based on conntrackMartin Willi2015-02-204-0/+611
| | | | | | | | | | | | | | Currently supports transport mode connections using IPv4 only, and requires a unique mark configured on the connection. To select the correct outbound SA when multiple connections match (i.e. multiple peers connected from the same IP address / NAT router) marks must be configured. This mark should usually be unique, which can be configured in ipsec.conf using mark=0xffffffff. The plugin inserts CONNMARK netfilter target rules: Any peer-initiated flow is tagged with the assigned mark as connmark. On the return path, the mark gets restored from the conntrack entry to select the correct outbound SA.
* bus: Add an ike_update() hook invoked when peer endpoints changeMartin Willi2015-02-204-0/+50
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* connmark: Add a plugin stubMartin Willi2015-02-204-0/+150
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* load-tester: Support initiating XAuth authenticationMartin Willi2015-02-201-0/+22
| | | | | | | | As with other configuration backends, XAuth is activated with a two round client authentication using pubkey and xauth. In load-tester, this is configured with initiator_auth=pubkey|xauth. Fixes #835.
* mem-pool: Pass the remote IKE address, to re-acquire() an address during reauthMartin Willi2015-02-206-51/+87
| | | | | | | | | | | With make-before-break IKEv2 re-authentication, virtual IP addresses must be assigned overlapping to the same peer. With the remote IKE address, the backend can detect re-authentication attempts by comparing the remote host address and port. This allows proper reassignment of the virtual IP if it is re-requested. This change removes the mem-pool.reassign_online option, as it is obsolete now. IPs get automatically reassigned if a peer re-requests the same address, and additionally connects from the same address and port.
* ikev2: Schedule a make-before-break completion task to delete old IKE_SAMartin Willi2015-02-208-1/+174
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* ikev2: Allow task to skip exchange by setting undefined exchange typeMartin Willi2015-02-201-0/+5
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* ikev2: Trigger make-before-break reauthentication instead of reauth taskMartin Willi2015-02-202-2/+79
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* ike-sa-manager: Use IKEv1 uniqueness reauthentication detection for IKEv2, tooMartin Willi2015-02-201-12/+8
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* attribute-handler: Pass full IKE_SA to handler backendsMartin Willi2015-02-208-72/+56
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* attribute-provider: Pass full IKE_SA to provider backendsMartin Willi2015-02-2010-65/+55
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* attribute-manager: Pass full IKE_SA to handler methodsMartin Willi2015-02-205-23/+28
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* attribute-manager: Pass the full IKE_SA to provider methodsMartin Willi2015-02-205-23/+32
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* unit-tester: Drop the old unit-tester libcharon pluginMartin Willi2015-02-2013-953/+0
| | | | | | While it has some tests that we don't directly cover with the new unit tests, most of them require special infrastructure and therefore have not been used for a long time.
* attributes: Move the configuration attributes framework to libcharonMartin Willi2015-02-2032-97/+2031
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* libcharon: Add a test runnerMartin Willi2015-02-205-0/+96
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* attr-sql: Move plugin to libcharonMartin Willi2015-02-206-0/+722
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* attr: Move plugin to libcharonMartin Willi2015-02-206-0/+560
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* resolve: Move plugin back to libcharonMartin Willi2015-02-206-0/+595
| | | | Since pluto is gone, all existing users build upon libcharon.
* ike: Consistently log CHILD_SAs with their unique_id instead of their reqidMartin Willi2015-02-207-10/+12
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* unity: Reference IKE_SAs by the IKEv1 COOKIEs, improving lookup performanceMartin Willi2015-02-203-14/+17
| | | | | When handling thousands of IKE_SAs, the unique ID based lookup is rather slow, as we have no indexing.
* ike-sa-manager: Remove IKE_SA checkout by CHILD_SA reqidMartin Willi2015-02-204-38/+15
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* migrate-job: Do CHILD_SA reqid lookup locallyMartin Willi2015-02-202-26/+21
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* kernel-interface: Raise mapping event with a proto/SPI/dst tupleMartin Willi2015-02-203-16/+37
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* inactivity-job: Schedule job by CHILD_SA unique ID instead of reqidMartin Willi2015-02-204-23/+17
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* kernel-interface: Raise expires with a proto/SPI/dst tuple instead of reqidMartin Willi2015-02-209-60/+51
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* controller: Use the CHILD_SA unique_id to terminate CHILD_SAsMartin Willi2015-02-205-37/+23
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* stroke: List CHILD_SA unique ID as the primary identifier, but print reqid, tooMartin Willi2015-02-201-5/+6
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* vici: Include the CHILD_SA unique ID in list-sa eventMartin Willi2015-02-202-0/+2
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* ike: Maintain per-IKE_SA CHILD_SAs in the global CHILD_SA managerMartin Willi2015-02-203-19/+92
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* child-sa-manager: Add a global manager storing CHILD_SA relationsMartin Willi2015-02-206-1/+432
| | | | | | To quickly check out IKE_SAs and find associated CHILD_SAs, the child_sa_manager stores relations between CHILD_SAs and IKE_SAs. It provides CHILD_SA specific IKE_SA checkout functions wrapping the ike_sa_manager.
* child-sa: Replace reqid based marks by "unique" marksMartin Willi2015-02-2010-11/+110
| | | | | | | | | | | As we now use the same reqid for multiple CHILD_SAs with the same selectors, having marks based on the reqid makes not that much sense anymore. Instead we use unique marks that use a custom identifier. This identifier is reused during rekeying, keeping the marks constant for any rule relying on it (for example installed by updown). This also simplifies handling of reqid allocation, as we do not have to query the marks that is not yet assigned for an unknown reqid.
* child-sa: Introduce a unique CHILD_SA identifierMartin Willi2015-02-202-0/+24
| | | | | As the reqid is not that unique even among multiple IKE_SAs anymore, we need an identifier to uniquely identify a specific CHILD_SA instance.
* child-sa: Delegate reqid allocation to the kernel interfaceMartin Willi2015-02-201-15/+46
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* child-sa: Sort traffic selectors after adding CHILD_SA policiesMartin Willi2015-02-201-0/+3
| | | | Having traffic selectors sorted properly makes comparing them much simpler.
* child-sa: Remove the obsolete update logicMartin Willi2015-02-201-6/+1
| | | | | | The kernel backend uses an inbound parameter these days, where it makes no sense to pass the update flag. The kernel backend decides itself how it handles SA installation based on the inbound flag.
* kernel-interface: Pass full list of traffic selectors to add_sa()Martin Willi2015-02-204-11/+9
| | | | | | While we can handle the first selector only in BEET mode in kernel-netlink, passing the full list gives the backend more flexibility how to handle this information.
* libipsec: Remove unused src/dst_ts parameters from ipsec_sa_mgr_t.add_sa()Martin Willi2015-02-201-2/+1
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* kernel-interface: Remove reqid parameter from get_spi/get_cpi() methodsMartin Willi2015-02-204-8/+8
| | | | | | | | | | The reqid is not strictly required, as we set the reqid with the update call when installing the negotiated SA. If we don't need a reqid at this stage, we can later allocate the reqid in the kernel backend once the SA parameters have been fully negotaited. This allows us to assign the same reqid for the same selectors to avoid conflicts on backends this is necessary.
* libipsec: Remove unused reqid parameter from ipsec_sa_mgr_t.get_spi()Martin Willi2015-02-191-1/+1
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* ha: Perform child rekeying outside of CHILD_SA enumeratorThomas Egerer2015-02-191-7/+22
| | | | | | | | | | | | | | | | When rekey_child_sa is called while enumerating the children of an IKE_SA, and the child to be rekeyed is redundant a QUICK_DELETE task is queued instead of a QUICK_MODE task. This alters the IKE_SA's list of children (ike_sa_t::child_sas) invalidating the current element of the child_sa_enumerator. The enumerate function of linked_list_t will then advance to an element with unpredictable contents most likely resulting in an segmentation violation. A similar behavior should be observed when delete_child_sa is called. This patch creates a list of protocol/spi values while holding the child_sa_enumerator and performs the rekeying (deletion of redundant) chlidren after releasing the enumerator. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
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