| Commit message (Collapse) | Author | Age | Files | Lines |
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Also adds an optional limit to avoid very high retransmission timeouts
with high numbers of retries.
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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>
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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.
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Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
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Allows enabling hardware offload for IPsec SAs as introduced by Linux 4.11
for specific hardware.
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Makes it potentially easier to add new flags.
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During initialization of the plugins the thread pool is not yet
initialized so there is no watcher thread that could handle the queued
Netlink message and the main thread will wait indefinitely for a
response.
Fixes #2199.
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On Linux, setting the source address is insufficient to force a packet to be
sent over a certain path. The kernel uses the best route to select the outgoing
interface, even if we set a source address of a lower priority interface. This
is not only true for interfaces attaching to the same subnet, but also for
unrelated interfaces; the kernel (at least on 4.7) sends out the packet on
whatever interface it sees fit, even if that network does not expect packets
from the source address we force to.
When a better interface becomes available, strongSwan sends its MOBIKE address
list update using the old source address. But the kernel sends that packet over
the new best interface. If that network drops packets having the unexpected
source address from the old path, the MOBIKE update fails and the SA finally
times out.
To enforce a specific interface for our packet, we explicitly set the interface
index from the interface where the source address is installed. According to
ip(7), this overrules the specified source address to the primary interface
address. As this could have side effects to installations using multiple
addresses on a single interface, we disable the option by default for now.
This also allows using IPv6 link-local addresses, which won't work if
the outbound interface is not set explicitly.
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fragments
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There was a direct call to load_key() for unencrypted keys that didn't
remove the key ID from the hashtable, which caused keys to get unloaded
when --load-creds was called multiple times.
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We already do this for load-token and this should simplify client
implementations.
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Invert set enumeration order to first enumerate local and then global
credential sets.
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Some implementations seem to have problems if the third AM message
contains NAT-D payloads before the HASH payload.
Fixes #2314.
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Much like in commit a68454b, we now use a global atomic counter to keep
track of the number of IKE_SAs currently registered. This should improve
scalability for a large number of segments even more.
Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
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While this API is documented as legacy (and there is a sysctl option to
disable it) the documentation also mentions that it will probably stay
enabled by default due to compatibility issues with existing applications.
With the previous approach only 255 devices could be opened then the
daemon had to be restarted.
Fixes #2313.
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This cleanup prevents sharing the same DB between multiple VPN gateways.
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Fixes: af16b5afb0ee ("Use random ports in NetworkManager backend")
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Rename the crypt() method to avoid conflict with POSIX crypt(). Fixes the
following build failure with musl libc:
In file included from ../../../../src/libstrongswan/utils/utils.h:53:0,
from ../../../../src/libstrongswan/library.h:101,
from af_alg_ops.h:24,
from af_alg_ops.c:16:
af_alg_ops.c:110:22: error: conflicting types for 'crypt'
METHOD(af_alg_ops_t, crypt, bool,
^
../../../../src/libstrongswan/utils/utils/object.h:99:13: note: in definition of macro 'METHOD'
static ret name(union {iface *_public; this;} \
^
In file included from af_alg_ops.c:18:0:
.../host/usr/x86_64-buildroot-linux-musl/sysroot/usr/include/unistd.h:144:7: note: previous declaration of 'crypt' was here
char *crypt(const char *, const char *);
^
Closes strongswan/strongswan#72.
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The secret storage flag wasn't being saved when using smartcard
authentication, resulting in the PIN being stored.
Fixes #2166.
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Closes strongswan/strongswan#70.
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Closes strongswan/strongswan#69.
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The plugin provides ed25519 public key support, and is required to generate
keys or sign certificates with pki.
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This test scenario tests the eap-simaka-sql plugin.
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If we jump to `end` without this we crash (not necessarily visibly) due
to a double free and the actual error message is not printed.
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Line 66 yields "TypeError: can't concat bytes to str" using Python 3.4.
"requestdata" was introduced in 22f08609f1b6 but is not actually used.
Since the original "request" is not used anywhere else this can be changed
to be similar to the other UTF-8 encoding changes in that commit.
Fixes: 22f08609f1b6 ("vici: Explicitly set the Python encoding type").
Closes strongswan/strongswan#66.
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responses
When constructing the result, all responses from Netlink were concatenated
iteratively, i.e. for each response, the previously acquired result was
copied to newly allocated memory and the current response appended to it.
This results in O(n^2) copy operations. Instead, we now check for the
total final length of the result and copy the individual responses to it
in one pass, i.e. in O(n) copy operations. In particular, this issue caused
very high CPU usage in memcpy() function as the result is copied over and
over. Common way how to hit the issue is when having 1000+ routes and 5+
connecting clients a second. In that case, the memcpy() function can
take 50%+ of one CPU thread on a decent CPU and the whole charon daemon
is stuck just reading routes and concatenating them together (connecting
clients are blocked in that particular case as this is done under mutex).
Closes strongswan/strongswan#65.
References #2055.
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Only the tests with client authentication failed, the client accepted
the trusted self-signed certificate even when it was expired. On the
server the lookup (based on the pre-configured SAN) first found the ECDSA
cert, which it dismissed for the RSA authentication the client used, and
since only the first "pretrusted" cert is considered the following RSA
cert was verified more thoroughly.
The lookup on the client always uses the full DN of the server certificate
not the pre-configured identity so it found the correct certificate on
the first try.
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Fixes: 05ccde0a8bd9 ("pki: Add generic 'priv' key type that loads any
type of private key")
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If a the original responder narrows the selectors of its peer in addrblock,
the peer gets a subset of that selectors. However, once the original responder
initiates rekeying of that CHILD_SA, it sends the full selectors to the peer,
and then narrows the received selectors locally for the installation, only.
This is insufficient, as the peer ends up with wider selectors, sending traffic
that the original responder will reject to the stricter IPsec policy. So
additionally narrow the selectors when rekeying CHILD_SAs before sending the
TS list to the peer.
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The plugins can only be built on x64 as the MinGW headers on Ubuntu 12.04,
which we have to use for x86 due to another issue with MinGW, are too old.
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