HGKeeper

Implement SNI support for the gnutls SSL plugin.
release-2.x.y
2019-12-16, Mihai Moldovan

6dba8046e1b1

Implement SNI support for the gnutls SSL plugin.

Note that gnutls is picky in regard to what it accepts as the server name - it
MUST be a domain name. IP addresses are not supported according to the
documentation.

Hence, filter out IP addresses and hope that whatever is not recognized as
such an address is actually a domain name. This will probably fail for more
exotic addresses (especially in IPv6 realm), but wiring up a full-blown parser
is too much effort and SSL plugins are not part of purple-3 anyway.

Fixes #17300

/** @page certificate-signals Certificate Signals

@signals

@signal certificate-stored

@signal certificate-deleted

@endsignals

@see certificate.h

<hr>

@signaldef certificate-stored

@signalproto

void (*certificate_stored)(PurpleCertificatePool *pool, const gchar *id, gpointer data);

@endsignalproto

@signaldesc

Emitted when a pool stores a certificate. Connect to the pool instance.

@param pool Pool the certificate has been stored into

@param id Key the certificate was stored under

@endsignaldef

@signaldef certificate-deleted

@signalproto

void (*certificate_deleted)(PurpleCertificatePool *pool, const gchar *id, gpointer data);

@endsignalproto

@signaldesc

Emitted when a pool deletes a certificate. Connect to the pool instance.

@param pool Pool the certificate was deleted from

@param id Key that was deleted

@endsignaldef

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