| Commit message (Collapse) | Author | Age | Files | Lines |
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This makes adding new configuration settings easier.
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snippets
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Unterminated strings are now an error.
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Was incorrectly changed with the refactoring in a64089738d3e ("android:
Change how features of VPN types are stored and checked").
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There are no devices anymore that use API level 14 (4.0-4.0.2) and 22 is
the most recent level.
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This generalization allows the ring dimension n to be different
from the current n = 512 and allows kappa to be > 56. Also the
hash octets are consumed in a more consistent manner.
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The c_indices derived from the SHA-512 random oracle consist of
nine bits (0..511). The leftmost 8 bits of each index are taken
on an octet-by-octet basis from the 56 leftmost octets of the
SHA-512 hash. The 9th bit needed for the LSB is taken from the
extra_bits 64 bit unsigned integer which consists of the 8 rightmost
octets of the SHA-512 hash (in network order). If more than 56
indices must be derived then additional rounds of the random oracle
are executed until all kappa c_indices have been determined.
The bug fix shifts the extra_bits value by one bit in each loop
iteration so that the LSB of each index is random. Also iterate
through the hash array using the loop variable j not the c_indices
variable i.
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Even when there is no error the CREATE_CHILD_SA response should be sent
in the context of the existing IKE_SA.
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The destroy() method sets the IKE_SA on the bus to NULL, we reset it to
the current IKE_SA so any events and log messages that follow happen in
the correct context.
A practical example where this is problematic is a DH group mismatch,
which causes the first CREATE_CHILD_SA exchange to fail. Because the SA
was not reset previously, the message() hook for the CREATE_CHILD_SA
response, for instance, was triggered outside the context of an IKE_SA,
that is, the ike_sa parameter was NULL, which is definitely not expected
by several plugins.
Fixes #862.
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Changes how acquires are tracked in the trap manager, which fixes
several race conditions. Also fixes races between threads installing
trap policies and the main thread trying to flush the trap policies.
Similar changes were added to the shunt manager which previously
used no locking at all.
Fixes #1014.
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This will allow us to uninstall shunts before unloading the
kernel-interface plugins.
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When flush() is called there might be threads in install() waiting for
trap policies to get installed (without holding the lock). We have to
wait until they updated the entries with the respective CHILD_SAs before
destroying the list.
We also have to prevent further trap policy installations (and wait until
threads in install() are really finished), otherwise we might end up
destroying CHILD_SA objects after the kernel interface implementations
have already been unloaded (avoiding this is the whole point of calling
flush() before unloading the plugins).
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This fixes potential race conditions in case complete() or flush() is
executed before or concurrently with a thread that handles an acquire.
It will also simplify tracking multiple acquires created for the same
trap policy in the future.
Also fixes the behavior in some error situations.
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This basically reverts f4e822c1b422 ("trap-manager: don't check-in
nonexisting IKE_SA if acquire fails"). As checkout_by_config() could
return an already existing and established IKE_SA we have to properly
destroy it, for instance, in case other threads are waiting to check
it out. checkin_and_destroy() should handle the case of a new SA
properly (it produces a log message on level 1, though).
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In some situations it might be valid for a host that configures
right=%any to reestablish or reauthenticate an IKE_SA. Using %any would
immediately abort the initiation causing the new SA to fail (which
might already have the existing CHILD_SAs assigned).
Fixes #1027.
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Considers the address family of locally defined addresses when resolving
the remote host.
Fixes #993.
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If static local addresses are configured we should use their address family
as a hint when resolving the remote address.
We don't do this if %any is configured as this might break existing
configurations (%any4 and %any6 are however used as hint).
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All configured static addresses (hostnames, ranges or subnets are not
considered) must be of the same family, otherwise AF_UNSPEC is returned.
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CDP and OCSP URIs for a one or multiple certification authorities
can be added via the VICI interface. swanctl allows to read
definitions from a new authorities section.
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are defined
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