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* ike-cfg: Fix memory leak when matching against rangesTobias Brunner2017-05-291-1/+1
| | | | | | | traffic_selector_t::to_subnet() always sets the net/host (unless the address family was invalid). Fixes: 3070697f9f7c ("ike: support multiple addresses, ranges and subnets in IKE address config")
* ike: Apply retransmission_limit before applying the jitterTobias Brunner2017-05-262-8/+8
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* eap-sim-file: Remove redundant enumerator allocationTobias Brunner2017-05-261-1/+1
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* sql: Remove redundant enumerator allocationTobias Brunner2017-05-261-1/+1
| | | | | | Interestingly, this doesn't show up in the regression tests because the compiler removes the first assignment (and thus the allocation) due to -O2 that's included in our default CFLAGS.
* Fixed some typos, courtesy of codespellTobias Brunner2017-05-264-5/+5
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* linked-list: Change return value of find_first() and signature of its callbackTobias Brunner2017-05-2618-227/+244
| | | | This avoids the unportable five pointer hack.
* linked-list: Change interface of callback for invoke_function()Tobias Brunner2017-05-265-34/+65
| | | | This avoids the unportable five pointer hack.
* Change interface for enumerator_create_filter() callbackTobias Brunner2017-05-2623-393/+551
| | | | | This avoids the unportable 5 pointer hack, but requires enumerating in the callback.
* Migrate all enumerators to venumerate() interface changeTobias Brunner2017-05-2634-169/+333
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* vici: Make 96-bit truncation for SHA-256 configurableTobias Brunner2017-05-261-0/+11
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* stroke: Make 96-bit truncation for SHA-256 configurableTobias Brunner2017-05-262-1/+3
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* child-cfg: Optionally use 96-bit truncation for HMAC-SHA-256Tobias Brunner2017-05-262-0/+11
| | | | | | | | The correct truncation is 128-bit but some implementations insist on using 96-bit truncation. With strongSwan this can be negotiated using an algorithm identifier from a private range. But this doesn't work with third-party implementations. This adds an option to use 96-bit truncation even if the official identifier is used.
* android-log: Link against liblogTobias Brunner2017-05-261-0/+1
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* unit-tests: Check installed IPsec SAs in child-rekey testsTobias Brunner2017-05-231-3/+94
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* unit-tests: Add assert to check for installed IPsec SAsTobias Brunner2017-05-232-3/+115
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* unit-tests: Migrate cached IPsec SAs to new IKE_SAs during rekeyingTobias Brunner2017-05-231-0/+42
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* unit-tests: Keep track of installed IPsec SAs in mock kernel_ipsec_t ↵Tobias Brunner2017-05-232-4/+136
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* child-delete: Delay the removal of the inbound SA of rekeyed CHILD_SAsTobias Brunner2017-05-233-128/+412
| | | | | | | | After deleting a rekeyed CHILD_SA we uninstall the outbound SA but don't destroy the CHILD_SA (and the inbound SA) immediately. We delay it a few seconds or until the SA expires to allow delayed packets to get processed. The CHILD_SA remains in state CHILD_DELETING until it finally gets destroyed.
* delete-child-sa-job: Add new constructor that takes the unique ID of a CHILD_SATobias Brunner2017-05-232-13/+69
| | | | | This makes sure we delete the right SA in case the addresses got updated in the mean time.
* child-sa: Remove state to track installation of half the SA againTobias Brunner2017-05-236-62/+47
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* unit-tests: Overload helper macro to check for outbound SA stateTobias Brunner2017-05-231-2/+30
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* child-sa: Expose state of the outbound SATobias Brunner2017-05-232-17/+61
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* child-sa: Add method to remove the outbound SA and policiesTobias Brunner2017-05-232-5/+78
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* child-sa: Keep track whether the outbound SA has been installed or notTobias Brunner2017-05-231-8/+13
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* child-delete: Track flags per individual CHILD_SATobias Brunner2017-05-231-47/+78
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* ikev2: Delay installation of outbound SAs during rekeying on the responderTobias Brunner2017-05-234-30/+124
| | | | | | | | The responder has all the information needed to install both SAs before the initiator does. So if the responder immediately installs the outbound SA it might send packets using the new SA which the initiator is not yet able to process. This can be avoided by delaying the installation of the outbound SA until the replaced SA is deleted.
* child-sa: Add log message for CHILD_SA state changesTobias Brunner2017-05-231-0/+4
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* child-sa: Add method to associate rekeyed CHILD_SAs with their replacementTobias Brunner2017-05-232-0/+35
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* child-sa: Add methods that allow partial installation of CHILD_SATobias Brunner2017-05-232-5/+144
| | | | | | | Using install() for the inbound SA and register_outbound() for the outbound SA followed by install_policies(), will delay the installation of the outbound SA as well as the installation of the outbound policies in the kernel until install_outbound() is called later.
* child-sa: Add new state to track installation of only the inbound SATobias Brunner2017-05-232-1/+7
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* child-sa: Change API used to set/install policiesTobias Brunner2017-05-236-79/+119
| | | | This way we only have to pass the traffic selectors once.
* child-sa: Split in- and outbound policy de-/installationTobias Brunner2017-05-231-62/+127
| | | | Only install outbound fallback policies.
* child-create: Trigger NARROW_RESPONDER_POST hook before installing SAsTobias Brunner2017-05-231-25/+21
| | | | | This makes sure we use the same set of traffic selectors when installing the SAs and installing the policies.
* tnc-ifmap: Null-terminate buffer to make sscanf()-calls safeTobias Brunner2017-05-231-4/+5
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* Add plugin constructor registration for all libraries that provide pluginsTobias Brunner2017-05-232-0/+16
| | | | | | | | | | | | | | Unfortunately, we can't just add the generated C file to the sources in Makefile.am as the linker would remove that object file when it notices that no symbol in it is ever referenced. So we include it in the file that contains the library initialization, which will definitely be referenced by the executable. This allows building an almost stand-alone static version of e.g. charon when building with `--enable-monolithic --enable-static --disable-shared` (without `--disable-shared` libtool will only build a version that links the libraries dynamically). External libraries (e.g. gmp or openssl) are not linked statically this way, though.
* kernel-netlink: Use total retransmit timeout as acquire timeoutTobias Brunner2017-05-232-13/+23
| | | | | | | By using the total retransmit timeout, modifications of timeout settings automatically reflect on the value of xfrm_acq_expires. If set, the value of xfrm_acq_expires configured by the user takes precedence over the calculated value.
* task-manager: Add helper function to calculate the total retransmit timeoutTobias Brunner2017-05-232-1/+42
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* ike: Use optional jitter to calculate retransmission timeoutsTobias Brunner2017-05-233-5/+57
| | | | | Also adds an optional limit to avoid very high retransmission timeouts with high numbers of retries.
* kernel-netlink: Try to add new inbound SA if update failsThomas Egerer2017-05-231-3/+12
| | | | | | | | | | | | | | | When establishing a traffic-triggered CHILD_SA involves the setup of an IKE_SA more than one exchange is required. As a result the temporary acquire state may have expired -- even if the acquire expiration (xfrm_acq_expires) time is set properly (165 by default). The expire message sent by the kernel is not processed in charon since no trap can be found by the trap manager. A possible solution could be to track allocated SPIs. But since this is a corner case and the tracking introduces quite a bit of overhead, it seems much more sensible to add a new state if the update of a state fails with NOT_FOUND. Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* kernel-pfkey: Update SA addresses if supported by the kernelTobias Brunner2017-05-231-21/+16
| | | | | | Upcoming FreeBSD kernels will support updating the addresses of existing SAs with new SADB_X_EXT_NEW_ADDRESS_SRC|DST extensions for the SADB_UPDATE message.
* kernel-pfkey: Use new encap flag on Mac OS X when updating SAsTobias Brunner2017-05-231-1/+1
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* receiver: Restrict init limit to half-open SAs as responderThomas Egerer2017-05-231-4/+2
| | | | Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* kernel-netlink: Update hardware offload attribute when SAs are updatedTobias Brunner2017-05-231-11/+37
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* kernel-netlink: Base SA update on correct message in multi-message responseTobias Brunner2017-05-231-7/+7
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* vici: Make hardware offload configurableTobias Brunner2017-05-231-0/+11
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* child-sa: Optionally enable hardware offload for CHILD_SAsTobias Brunner2017-05-231-0/+1
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* child-cfg: Add flag to enable hardware offloadTobias Brunner2017-05-231-0/+3
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* child-cfg: Use flags for boolean optionsTobias Brunner2017-05-2311-152/+128
| | | | Makes it potentially easier to add new flags.
* kernel-netlink: Enable hardware offloading if configured for an SATobias Brunner2017-05-231-0/+25
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* kernel-ipsec: Add flag to enable hardware offloading for an IPsec SATobias Brunner2017-05-231-0/+2
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