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test-large-mtu.sh is referenced by the Makefile
but does not exist.
Add it along the other scripts.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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TCP sockets cannot be created with AF_UNSPEC, but
one among the supported family must be used.
Since commit 944f8b6abab6 ("selftest/net/ovpn: extend
coverage with more test cases") the default address
family for all tests was changed from AF_INET to AF_UNSPEC,
thus breaking all TCP cases.
Restore AF_INET as default address family for TCP listeners.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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To increase code coverage, extend the ovpn selftests with the following
cases:
* connect UDP peers using a mix of IPv6 and IPv4 at the transport layer
* run full test with tunnel MTU equal to transport MTU (exercising
IP layer fragmentation)
* ping "LAN IP" served by VPN peer ("LAN behind a client" test case)
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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getaddrinfo() may fail with error code different from EAI_FAIL
or EAI_NONAME, however in this case we still try to free the
results object, thus leading to a crash.
Fix this by bailing out on any possible error.
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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The ovpn-cli tool can be compiled and used as selftest for the ovpn
kernel module.
[NOTE: it depends on libmedtls for decoding base64-encoded keys]
ovpn-cli implements the netlink and RTNL APIs and can thus be integrated
in any script for more automated testing.
Along with the tool, a bunch of scripts are provided that perform basic
functionality tests by means of network namespaces.
These scripts take part to the kselftest automation.
The output of the scripts, which will appear in the kselftest
reports, is a list of steps performed by the scripts plus some
output coming from the execution of `ping`, `iperf` and `ovpn-cli`
itself.
In general it is useful only in case of failure, in order to
understand which step has failed and why.
Please note: since peer sockets are tied to the userspace
process that created them (i.e. exiting the process will result
in closing the socket), every run of ovpn-cli that created
one will go to background and enter pause(), waiting for the
signal which will allow it to terminate.
Termination is accomplished at the end of each script by
issuing a killall command.
Cc: linux-kselftest@vger.kernel.org
Cc: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20250415-b4-ovpn-v26-23-577f6097b964@openvpn.net
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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