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* kernel-netlink: Consider RTA_SRC when looking for a source addressTobias Brunner2016-10-051-52/+134
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* vici: Enable IKE fragmentation by defaultTobias Brunner2016-10-041-1/+1
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* kernel-netlink: Pass zero mark to kernel if mask is setTobias Brunner2016-09-301-2/+2
| | | | | | The kernel will apply the mask to the mark on the packet and then compare it to the configured mark. So to match only unmarked packets we have to be able to set 0/0xffffffff.
* kernel-netlink: Support configuring XFRM policy hashing thresholdsTobias Brunner2016-09-301-0/+107
| | | | | | | | | | | | | | | | | | | | | | | | If the number of flows over a gateway exceeds the flow cache size of the Linux kernel, policy lookup gets very expensive. Policies covering more than a single address don't get hash-indexed by default, which results in wasting most of the cycles in xfrm_policy_lookup_bytype() and its xfrm_policy_match() use. Starting with several hundred policies the overhead gets inacceptable. Starting with Linux 3.18, Linux can hash the first n-bit of a policy subnet to perform indexed lookup. With correctly chosen netbits, this can completely eliminate the performance impact of policy lookups, freeing the resources for ESP crypto. WARNING: Due to a bug in kernels 3.19 through 4.7, the kernel crashes with a NULL pointer dereference if a socket policy is installed while hash thresholds are changed. And because the hashtable rebuild triggered by the threshold change that causes this is scheduled it might also happen if the socket policies are seemingly installed after setting the thresholds. The fix for this bug - 6916fb3b10b3 ("xfrm: Ignore socket policies when rebuilding hash tables") - is included since 4.8 (and might get backported). As a workaround `charon.plugins.kernel-netlink.port_bypass` may be enabled to replace the socket policies that allow IKE traffic with port specific bypass policies.
* vici: Make installation of outbound FWD policies configurableTobias Brunner2016-09-281-25/+29
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* kernel-netlink: Update cached reqid when updating policiesTobias Brunner2016-09-281-0/+2
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* eap-peap: Fix memory leaks when handling tunneled methodsTobias Brunner2016-09-201-1/+3
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* ipseckey: Properly free enumerated certificatesTobias Brunner2016-09-201-12/+14
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* ipseckey: Properly free public key after creating certificateTobias Brunner2016-09-201-1/+1
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* dnscert: Properly free enumerated certificatesTobias Brunner2016-09-201-8/+11
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* vici: Fix indention of flush_certs() method in Python bindingsTobias Brunner2016-09-201-1/+1
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* maemo: Remove unused pluginTobias Brunner2016-09-156-741/+0
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* vici: flush-certs command flushes certificate cacheAndreas Steffen2016-09-136-0/+68
| | | | | | | | | | When fresh CRLs are released with a high update frequency (e.g. every 24 hours) or OCSP is used then the certificate cache gets quickly filled with stale CRLs or OCSP responses. The new VICI flush-certs command allows to flush e.g. cached CRLs or OCSP responses only. Without the type argument all kind of certificates (e.g. also received end entity and intermediate CA certificates) are purged.
* xof: Defined Extended Output FunctionsAndreas Steffen2016-07-292-0/+19
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* vici: Increased various string buffers to BUF_LEN (512 bytes)Andreas Steffen2016-07-291-4/+4
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* kernel-netlink: Don't set replay window for outbound SAsTobias Brunner2016-06-171-0/+6
| | | | | It's not necessary and might waste memory. However, if ESN is used we set the window to 1 as the kernel rejects the attribute otherwise.
* kernel-pfkey: Only set the replay window for inbound SAsTobias Brunner2016-06-171-3/+8
| | | | | It is not necessary for outbound SAs and might waste memory when large window sizes are used.
* load-tester: Fix load-tester on platforms where plain `char` is signedTobias Brunner2016-06-171-1/+1
| | | | | | | | fgetc() returns an int and EOF is usually -1 so when this gets casted to a char the result depends on whether `char` means `signed char` or `unsigned char` (the C standard does not specify it). If it is unsigned then its value is 0xff so the comparison with EOF will fail as that is an implicit signed int.
* resolve: Add refcounting for installed DNS serversTobias Brunner2016-06-101-27/+99
| | | | | | This fixes DNS server installation if make-before-break reauthentication is used as there the new SA and DNS server is installed before it then is removed again when the old IKE_SA is torn down.
* resolve: Use process abstraction when calling resolvconfTobias Brunner2016-06-101-18/+60
| | | | This allows us to capture output written to stderr/stdout.
* resolve: Make sure to clean up if calling resolvconf failedTobias Brunner2016-06-101-3/+4
| | | | | | If running resolvconf fails handle() fails release() is not called, which might leave an interface file on the system (or depending on which script called by resolvconf actually failed even the installed DNS server).
* kernel-pfroute: Return interface to reach destination from get_nexthop()Tobias Brunner2016-06-101-4/+13
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* kernel-pfkey: Install routes with OUT policiesTobias Brunner2016-06-101-31/+30
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* kernel-netlink: Install routes with OUT policiesTobias Brunner2016-06-101-25/+24
| | | | | This is the direction we actually need routes in and makes the code easier to read.
* kernel-pfkey: Don't install routes for drop policies and if protocol/ports ↵Tobias Brunner2016-06-101-3/+10
| | | | are in the selector
* kernel-netlink: Don't install routes for drop policies and if protocol/ports ↵Tobias Brunner2016-06-101-96/+106
| | | | | | | | | are in the selector We don't need them for drop policies and they might even mess with other routes we install. Routes for policies with protocol/ports in the selector will always be too broad and might conflict with other routes we install.
* kernel-pfkey: Also use interface returned by get_nexthop() for IPsec policiesTobias Brunner2016-06-101-1/+3
| | | | | An exception is if the local address is virtual, in which case we want the route to be via TUN device.
* kernel-netlink: Also use interface returned by get_nexthop() for IPsec policiesTobias Brunner2016-06-101-1/+2
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* kernel-pfkey: Use interface to next hop for shunt policiesTobias Brunner2016-06-101-2/+3
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* kernel-netlink: Use interface to next hop for shunt policiesTobias Brunner2016-06-101-10/+13
| | | | | | Using the source address to determine the interface is not correct for net-to-net shunts between two interfaces on which the host has IP addresses for each subnet.
* kernel-netlink: Return outbound interface in get_nexthop()Tobias Brunner2016-06-101-5/+43
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* kernel-net: Let get_nexthop() return an optional interface nameTobias Brunner2016-06-107-15/+31
| | | | | The returned name should be the interface over which the destination address/net is reachable.
* kernel-netlink: Let only a single thread work on a specific policyTobias Brunner2016-06-101-25/+69
| | | | | | | | | | | | | Other threads are free to add/update/delete other policies. This tries to prevent race conditions caused by releasing the mutex while sending messages to the kernel. For instance, if break-before-make reauthentication is used and one thread on the responder is delayed in deleting the policies that another thread is concurrently adding for the new SA. This could have resulted in no policies being installed eventually. Fixes #1400.
* kernel-netlink: Add priority and refcount to policy logTobias Brunner2016-06-101-9/+30
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* kernel-netlink: Consistently print mark in log messages only if setTobias Brunner2016-06-101-108/+82
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* kernel-netlink: Provide error information for Netlink socketsTobias Brunner2016-06-103-19/+25
| | | | #1467.
* kernel-netlink: Allow definition of a custom priority calculation functionTobias Brunner2016-06-102-3/+18
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* kernel-pfkey: Use ipsec_sa_cfg_equals()Tobias Brunner2016-06-081-1/+1
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* kernel-netlink: Use ipsec_sa_cfg_equals() and compare marks properlyTobias Brunner2016-06-081-2/+3
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* eap-simaka-pseudonym: Properly store mappingsTobias Brunner2016-06-061-44/+38
| | | | | | | | | | | If a pseudonym changed a new entry was added to the table storing permanent identity objects (that are used as keys in the other table). However, the old mapping was not removed while replacing the mapping in the pseudonym table caused the old pseudonym to get destroyed. This eventually caused crashes when a new pseudonym had the same hash value as such a defunct entry and keys had to be compared. Fixes strongswan/strongswan#46.
* error-notify: Notify listeners upon IKE retransmitThomas Egerer2016-06-062-0/+6
| | | | Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
* stroke: Permanently store PINs in credential setTobias Brunner2016-06-061-12/+35
| | | | | | | This fixes authentication with tokens that require the PIN for every signature. Fixes #1369.
* p-cscf: Remove libhydra reference in MakefileTobias Brunner2016-05-271-1/+0
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* vici: Put source distribution in the dist dir in the build directoryTobias Brunner2016-05-111-1/+3
| | | | This fixes the out-of-tree build.
* vici: Add target to build a source package and universal wheel of the Python ↵Tobias Brunner2016-05-111-0/+6
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* vici: Add README.rst to be used as description on PyPITobias Brunner2016-05-114-8/+28
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* vici: Replace dr with dev in version numbers for the Python eggTobias Brunner2016-05-101-5/+5
| | | | | | The versioning scheme used by Python (PEP 440) supports the rcN suffix but development releases have to be named devN, not drN, which are not supported and considered legacy versions.
* vici: Update setup.pyTobias Brunner2016-05-101-4/+5
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* vici: Ensure we read exactly the specified amount of bytes from the socket ↵Tobias Brunner2016-05-101-2/+9
| | | | | | | in Python recv() will return less bytes than specified (as that's the buffer size) if not as many are ready to be read from the socket.
* kernel-netlink: Check proper watcher state in parallel modeTobias Brunner2016-05-061-1/+1
| | | | | | | | | | | | | After adding the read callback the state is WATCHER_QUEUED and it is switched to WATCHER_RUNNING only later by an asynchronous job. This means that a thread that sent a Netlink message shortly after registration might see the state as WATCHER_QUEUED. If it then tries to read the response and the watcher thread is quicker to actually read the message from the socket, it could block on recv() while still holding the lock. And the asynchronous job that actually read the message and tries to queue it will block while trying to acquire the lock, so we'd end up in a deadlock. This is probably mostly a problem in the unit tests.
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