Tobias Brunner [Fri, 15 Aug 2025 12:48:49 +0000 (14:48 +0200)]
testing: Increase memory for guest hosts to run Debian trixie
While some increase was necessary anyway because the idle system requires
about 5-10 MiB more memory, the main issue is resolving the code line and
function name in case of a memory leak. Calling addr2line requires a lot
more memory than before. Using backtraces via libbfd doesn't help either
because the trigger is the bfd_find_nearest_line() call we use as well.
And because we'd try to resolve all symbols that way (for whitelisting),
the memory overhead would be even higher and affect every shutdown, even
if no leak occurred. It also causes a significant time overhead (running
all tests took 75m instead of 48m).
I also tested switching to ASAN/LSAN. The peak memory usage is slightly
higher than when using libbfd, but enabling it also increased the runtime
overhead a lot (the daemon and swanctl both required about 10-20 MiB more
memory, not just during the shutdown).
Tobias Brunner [Fri, 15 Aug 2025 12:45:13 +0000 (14:45 +0200)]
testing: Install required packages in venv of updated strongTNC
Update revision for some dependency updates. While python3-setuptools is
installed on the system, the venv apparently can't use it. legacy-cgi is
required to use that old Django version with newer Python releases.
Tobias Brunner [Fri, 15 Aug 2025 12:40:38 +0000 (14:40 +0200)]
testing: Use newer version of TKM on trixie
The API for libgmpada has change with 1.6 in a way that's not
backwards-compatible. So we use a different revision that includes
the required changes depending on the Debian version.
This also adds support for esa_select(), to support seamless rekeyings,
which requires updating xfrm-ada as well.
Tobias Brunner [Wed, 13 Aug 2025 11:54:01 +0000 (13:54 +0200)]
testing: Use new recommended approach to install key for custom apt repository
apt-key add is deprecated (and not available in trixie) as it makes the
available for all sources. The recommended approach makes the key very
specifically available for just our repository.
Tobias Brunner [Wed, 13 Aug 2025 11:38:52 +0000 (13:38 +0200)]
testing: Move sysctl settings to sysctl.d and add some memory settings
Debian trixie doesn't provide a 99-sysctl.conf symlink in that directory
anymore. The memory settings are also useful there as the default of
one changed and overbooking helps when forking a process with large
memory footprint (e.g. the IKE daemon).
host: Don't try to resolve %any* keywords with mismatched address family
While host_create_from_string_and_family() usually replaces %any*
keywords, this fails if the address family doesn't match (e.g. %any4 with
AF_INET6). There is no point in trying to resolve these keywords via
DNS as % is no valid character for host names.
Tobias Brunner [Fri, 22 Aug 2025 14:46:10 +0000 (16:46 +0200)]
Merge branch 'plugin-versions'
This adds a symbol with the current version number to all existing
plugins (the PLUGIN_DEFINE() macro makes this easy). The version is
checked when a plugin is loaded from a file in order to prevent loading
old plugins from any previous build, which could cause all sorts of
issues.
Tobias Brunner [Thu, 21 Aug 2025 08:24:37 +0000 (10:24 +0200)]
pkcs11: Improve detection of already unwrapped CKA_EC_POINTs
If an uncompressed point is already unwrapped (incorrect but some tokens/
modules do this) and therefore still looks like an ASN.1 octet string,
there could be false positives with the previous checks that lead to
mangled points.
By ensuring that we unwrapped the complete ASN.1 chunk, we can already
reduce the false positive rate when the assumed length is smaller than
the chunk, which we previously accepted but isn't the case in correctly
encoded points.
And while we already checked that the first byte indicates a valid point
type/encoding, there could still be false positives. We can avoid those
with some checks on the length of the unwrapped point. In particular,
enforcing a multiple of 4/8 should fail for valid unwrapped points where
three bytes were removed in the process (ASN.1 tag and length, point
encoding).
Tobias Brunner [Mon, 11 Aug 2025 12:24:16 +0000 (14:24 +0200)]
ike-sa-manager: Avoid deadlock due to race condition during shutdown
If an entry is added while we wait for a checked out SA in flush() (e.g.
due to an action performed by that SA), new entries might get inserted
before the one we wait for. If that was the first entry in the row, we
didn't correctly update the table and the new entries were basically lost
by overwriting the first entry in the row. As the SA count was still
increased but the new entries couldn't get enumerated, the daemon wasn't
terminated properly but was stuck in the loop in flush().
Tobias Brunner [Fri, 22 Aug 2025 06:34:01 +0000 (08:34 +0200)]
testing: Disable deprecated features in Botan
We keep MD5 enabled for now as we need it for TLS 1.0/1.1. Once we
remove that we can reconsider (although, it's also needed for EAP-MD5
and since MD4 is disabled as well, which means EAP-MSCHAPv2 won't
be available, we'd be left with only EAP-GTC for simple username/password
authentication, which nobody else supports).
Tobias Brunner [Fri, 8 Aug 2025 09:10:29 +0000 (11:10 +0200)]
unit-tests: Add option to collect active crypto transforms
This will allow us to compare new library versions against previous ones,
so we don't suddenly loose some algorithms like it happened with KDFs
recently after updating OpenSSL to 3.5.1.
Tobias Brunner [Mon, 4 Aug 2025 08:16:31 +0000 (10:16 +0200)]
credential-factory: Avoid deadlock during unit tests
If a unit test times out while generating a private key (e.g. because of
a lack of entropy), this avoids a deadlock by still releasing the read
lock that'd prevent acquiring the write lock when plugins are unloaded.
eap-authenticator: Assume IKE identity as EAP-Identity if client doesn't send one
Apparently, some clients (e.g. native Android) just send an empty
EAP-Identity response. We silently ignored that previously and then
used the IKE identity for the actual EAP method. This change tries to
do something similar (i.e. don't fail if the response is empty), but by
assuming the IKE identity as EAP-Identity, we match that and possibly
can switch configs.
Closes strongswan/strongswan#2833 Fixes: 2f2e4abe3c52 ("ikev2: Add support to switch peer configs based on EAP-Identities")
Rob Shearman [Mon, 14 Jul 2025 11:14:57 +0000 (12:14 +0100)]
ml: Disable versioning for shared object
Avoid generating versioned shared objects which would need to be
installed along with the version-independent symlink by specifying
"-avoid-version" in the libtool LDFLAGS for the plugin. Avoid any
unwanted surprises by also specifying the "-module" option, making the
LDFLAGS consistent with all other libstrongswan plugins.
whitelist: Add error handling to socket reads and fix a memory leak
This now adds some state (basically a message buffer), but simplifies
error handling as we don't have to handle two potential failure paths
and could avoid some potential issues by still calling the blocking
read_all().
It also fixes a memory leak when clients disconnect.
Rob Shearman [Wed, 1 Jun 2022 18:41:08 +0000 (19:41 +0100)]
whitelist: Use a watcher for control socket reading rather than blocking
Performing a stream read_all call (which is a blocking read) from
within the accept callback has the issue that if a whitelist client is
still connected whilst a shutdown of the charon deamon is triggered
then that shutdown won't complete gracefully due to the accept task
never exiting.
So fix shutting down gracefully by using the socket watcher rather than
a blocking read upon connection accept. Fall back to a blocking read
for partial messages to avoid the complexity associated (i.e. storing
state) for incomplete reads, which shouldn't block and cause the
original problem if the client only sends whole messages.
testing: Use alternative approach for retransmits in ikev1/dpd-restart scenario
With a long delay, the retransmit might not get sent before further tests
are evaluated on faster machines, while more retransmits should still allow
the scenario to succeed on slower ones.
orbea [Tue, 5 Mar 2024 23:46:30 +0000 (15:46 -0800)]
nm: Don't set DL_LIBS to 'none required' in configure script
This copies the AC_SEARCH_LIBS check from the main strongSwan
configure.ac.
When building networkmanager-strongswan with slibtool if fails.
ld: cannot find none: No such file or directory
ld: cannot find required: No such file or directory
This is because configure.ac uses AC_SEARCH_LIBS to find dlopen which
sets the value of $ac_cv_search_dlopen to 'none required' which then
gets set in DL_LIBS and passed to slibtool.
With GNU libtool it silently ignores the unknown arguments.
Tobias Brunner [Mon, 2 Jun 2025 12:58:36 +0000 (14:58 +0200)]
android: Don't mention IKEv1 and L2TP in app description
Also removed on Play so the app does not show up when people search
for these keywords (they tend to not read the actual description and
then are surprised that neither protocol is supported).
Tobias Brunner [Fri, 6 Jun 2025 09:17:38 +0000 (11:17 +0200)]
testing: Make sure ML-KEM scenarios use our ml plugin
We now support OpenSSL's implementation in the openssl plugin. This
makes sure our plugin is used on at least one of the hosts if we ever
switch to an OpenSSL version that supports ML-KEM.
In the ikev2/rw-mlkem scenario the logic is reversed. There the ml plugin
is preferred on moon to test the responder side (and carol for the
initiator) and dave will switch to OpenSSL if it ever provides ML-KEM.