- Switch.pm, which was implemented as a source filter, has been deprecated in
Perl 5.10 and was later removed from the core modules in Perl 5.14 or so.
Unfortunately, its replacement, the given/when/default construct, has since
been downgraded to "experimental" status because of problems with the underlying
"smart-match" operator.
Thus, as of Perl 5.22, Perl still has no actually usable "switch"-like construct.
So just use boring, old and ugly "if/elsif/else" constructs instead, which are
compatible with almost any Perl version.
- None of the Perl modules here does anything that would require "AutoLoader".
- "Exporter" can be used to export plain functions into another modules name
space. But the things that were exported here are meant to be called as
methods. In this case, it is neither necessary nor advisable to export those
symbols.
Just export nothing (the POD documentation already said so).
- It is usually the calling script that enables (or does not enable) warnings
globally. When a module says "use warnings;" however, the caller looses control
over what warnings should be enabled in that module.
The default ESP cipher suite is now
AES_CBC-128/HMAC_SHA2_256_128
and requires SHA-2 HMAC support in the Linux kernel (correctly implemented
since 2.6.33).
The default IKE cipher suite is now
AES_CBC-128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/ECP_256
if the openssl plugin is loaded or
AES_CBC-128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_3072
if ECC is not available.
The use of the SHA-1 hash algorithm and the MODP_2048 DH group has been
deprecated and ENCR_CHACHA20_POLY1305 has been added to the default
IKE AEAD algorithms.
The certificate_printer class allows the printing of certificate
information to a text file (usually stdout). This class is used
by the pki --print and swanctl --list-certs commands as well as
by the stroke plugin.
If two IKE configurations have CHILD configurations with the same name,
we have no control about the CHILD_SA that actually gets controlled. The
new "ike" parameter specifies the peer config name to find the "child" config
under.
In some situations the vici client is not interested in waiting for a
timeout at all, so don't register a logging callback if the timeout argument
is negative.
If we mistakenly detect a new IKE_SA as a reauthentication the client
won't request the previous virtual IP, but since we already migrated
it we already triggered the assign_vips() hook, so we should reassign
the migrated virtual IP.
Fixes#1152.
Since we don't use the kernel-netlink plugin anymore and the headers
in the NDK are reasonably recent, we don't need this anymore (at least
when building the app).
Fixes#1172.
We already did so during Phase 1 but because all three Quick Mode
message have the same message ID we occasionally dropped the third
message as retransmit, so we do it there too. For INFORMATIONAL
and TRANSACTION exchanges we don't expect more than one inbound message
with the same message ID so we still use them there.
Fixes#1198.