Using the workaround with the EVP interface, which we use to derive shared
keys since 74e02ff5e6 ("openssl: Mainly use EVP interface for ECDH"),
would actually require us to register the OIDs of these curves as NID.
Otherwise, the two EC_GROUPs used by private and public key objects
are not considered the same and the key derivation fails.
Since the curves are supported by OpenSSL since 1.0.2 it's probably rare to
find a version without them nowadays. One exception is the old BoringSSL
version we still use on Android, which defines the NIDs but not the curve
data. However, that version also lacks support to register OIDs as NIDs,
so the only option to support these groups there would be to got back to not
using the EVP interface, which isn't in anyone's interest. If there really
is a need for them there, we could probably patch BoringSSL or use OpenSSL.
The "openssl" alias now defaults to OpenSSL 3.0, which produces a lot of
deprecation warnings. To avoid build failures due to `-Werror`, stay with
OpenSSL 1.1 until we can get rid of these issues.
With the update to Python 3 the encoding of the values in vici messages
changed to bytestrings (the keys are properly decoded). And getting the
first CHILD_SA also needs a change.
The logger is now also initialized after daemonizing to avoid that opened
sockets are closed etc.
If there are many CHILD_SAs, the time between initiating the new IKE_SA
and checking it in might be longer (depending on what else is going on
in the daemon) than the retransmission timeout and no retransmits might
be sent afterwards for this SA (it will just linger around dead).
Calling initiate() last should avoid that (we do this similarly for MBB
reauthentication).
If we are using make-before-break reauthentication, this could lead to
duplicates as the new IKE_SA wouldn't be able to delete the previous
one if it was replaced by a rekeying.
If we initiated a make-before-break reauthentication and the peer
concurrently deletes the IKE_SA (e.g. because it uses break-before-make
reauthentication), we would create a duplicate IKE_SA (the condition forces
a recreation of all existing CHILD_SAs because reestablish() is also called
to complete a break-before-make reauthentication).
According to the documentation for actions/cache, the lookup is already
scoped to the current branch (with fallback to any base branch including
the default branch).
Previously, only the tpm plugin initialized the library, so in order
to use a TPM 2.0 (a required TCTI library is loaded via init), it was
necessary to load it even if none of its actual features were used.
OpenSSL enforces a minimum of 14 bytes (112 bits) on the key size when
used in FIPS-mode (as required by SP 800-131A). So by using an empty
string, instantiation always failed. 32 bytes (256 bits) should be safe
for now.
Closesstrongswan/strongswan#557
Adds a button to install user certificates and updates the target SDK
version for Android 11 (and the related deprecation fixes), which will
be mandatory later this year.
The release also includes an older commit that changed how DNS servers
are applied to TUN devices (cd10ae2ff0 ("android: Explicitly apply DNS
servers to the TUN device")).
Also added are metadata for F-Droid.
This is required when targeting Android 11 (API 30) in order to see all
packages, which we use to allow selecting apps ex-/included from VPN
profiles and for the EAP-TNC use case.
As suggested by the Android docs, we use a global thread pool and handler
to avoid recreating them repeatedly. Four threads should be more than
enough as we only use this to load CA certificates when the app starts
initially and to load user certs when editing a profile.
This will be mandatory for new apps in August and for existing apps
in November. However, several classes like AsyncTask are now deprecated
so this needs some work to avoid warnings and problems in the future.
This way we get updated versions automatically (referencing "master"
required manually deleting the downloaded archives and the unpacked
directories). It also allows switching versions when working in different
branches (note that REV can also be set to a commit ID, e.g. to test
changes before tagging them later and merging the branch).
Use the same configure options etc. for both builds (no need for the cert
options as we don't use TLS or X.509 parsing) and switch to a Git commit
that includes the SHA-3 OID fix (it's actually the fix itself).
This also restores the test as it was before the referenced commit so it
again, as written in the description, demonstrates that venus is unable
to ping sun without IPsec tunnel.
Fixes: f27fb58ae0 ("testing: Update description and test evaluation of host2host-transport-nat")
Note that the mobike-nat test has been removed as it basically did the same
as the mobike-virtual-ip-nat test. Instead, the mobike-nat-mapping scenario
is added, which simulates a NAT router restart.
The addresses observed by the client behind the NAT are exactly the same if
the NAT router gets restarted.
Fixes: 2b255f01af ("ike-mobike: Use ike_sa_t::update_hosts() to trigger events")
If two threads are waiting in find_entry() and remove_entry(),
respectively, and the former is woken first, the latter remains stuck
as it won't get signaled.
If there are threads waiting in find_entry() and one in remove_entry()
and the latter is woken first by a thread calling put_entry(), the
former threads would remain stuck as they get never signaled.
This can happen if an IKE_SA is terminated forcefully shortly before
terminating the daemon. The thread that handles the terminate command
will call checkin_and_destroy(), which unregisters the IKE_SA from the
manager before destroying it. The main thread that calls flush() on the
IKE_SA manager won't wait for this SA (its entry is already gone), so
the processor and in turn the watcher job/thread might get canceled
before the first thread started deleting the VIP. It would then wait
indefinitely for a signal that can never be sent.
There is still a small chance the thread hangs in wait() if the state check
happens right before the watcher is canceled and it wasn't yet able to
deliver the event from the kernel, we counter that by rechecking the state
after a while.
If a PKCS#11 library/token doesn't provide one or more attributes via
C_GetAttributeValue(), we get back CKR_ATTRIBUTE_TYPE_INVALID (similar
for protected attributes where CKR_ATTRIBUTE_SENSITIVE is returned).
This is not an error as the spec demands that all attributes have been
processed with the unavailable attributes having set their length
field to CK_UNAVAILABLE_INFORMATION.
We use this to handle the CKA_TRUSTED attribute, which some tokens
apparently don't support. We previously used a version check to remove
the attribute from the call but even the latest spec doesn't make the
attribute mandatory (it's just in a list of "common" attributes for
CKO_CERTIFICATE objects, without a default value), so there are current
tokens that don't support it and prevent us from enumerating certificates.
Depending on how CLOCK_MONOTONIC is implemented, time_monotonic() might
return 0 within 1 second after the system is started. If that's the
case, we just default to 0 for now to avoid a crash (doesn't "hide" the
system time, but it's only the uptime anyway in this case).
Closesstrongswan/strongswan#435.
The values of `yytext` and `yyleng` might not be properly defined when
the error function is called (in particular if the lexer reached EOF).
While this might just cause non-printable characters in the output, it
could actually lead to a crash depending on where `yytext` points.
Closesstrongswan/strongswan#346.
This should give us the best performance and feature set on modern
hardware (in particular when compared to code2duo, which e.g. does not allow
nested virtualization).
Closesstrongswan/strongswan#340.
While CCM is available in earlier versions, we only use it with
OpenSSL 1.1.0 and newer because the generic control variables are not
available before and we default to GCM for them.
Closesstrongswan/strongswan#353.
On 18.04, setuptools was apparently pulled in by python-pip but is not
by python3-pip and on Ubuntu 16.04 there is an issue with tox when
installed via pip3 (syntax error in one of the dependencies) and with
pip that dependency is not even available.
That's because forks are currently not allowed to be analyzed by LGTM (unlike
with SonarCloud) so this check can't actually be successful for forks even if
variables are defined.
References strongswan/strongswan#328.
The nm test can only be done on Ubuntu 18.04 as the required libraries
are not available on newer systems.
Switch to pip3 to install tox (the only Python dependency we use).
Closesstrongswan/strongswan#327.
The lint version used on our GitHub build hosts reported these errors:
Error: Value must be ≥ 0 [Range]
db.update(TABLE_VPNPROFILE, values, KEY_ID + " = " + cursor.getLong(cursor.getColumnIndex(KEY_ID)), null);
That's because get*() expect a valid index >= 0 but getColumnIndex()
can return -1 if the column name doesn't exist.
This allows clients to send an empty certificate payload if the server
sent a certificate request. If an identity was set previously, it will
be reset so get_peer_id() may be used to check if the client was
authenticated.
The PT_TLS_AUTH_TLS_OR_SASL case currently can't be implemented properly
as TLS authentication will be enforced if a client identity is configured
on the TLS server socket.
To request client authentication if we don't know the client's identity,
it's possible to use ID_ANY. However, if we don't change the identity
get_peer_id() would still report ID_ANY after the authentication.
As client with older TLS versions, we have to ack the receipt of the server's
Finished message instead.
Fixes: 083f38259c ("tls-eap: Conclude EAP method also after processing packets")
Tobias Brunner