GitLab

don't reuse ssl context and config when the channel retries with another address. Destroy it and recreate a new one.
The reason for this change is because mbedtls keeps client certificates forever in the ssl config, there is no way to remove them.
Furthermore it doesn't make a copy of the certificate, it is the belle_sip_channel_t that has to keep the memory safe for all the duration of the ssl config.
Unfortunately this is too complex, because the tls client certificate is requested to the app on demand, and it will be requested each time a new ssl handshake is happening.

fix bug in new timers: changing the timer interval while the timer is already scheduled had no effect.

It is now possible to specify -2 (BELLE_SIP_LISTENING_POINT_DONT_BIND) to request no server socket to be created.
This removes the need for the build-time ENABLE_SERVER_SOCKET option.

fix double unref of channel resolver, clean code that set an object name to the resolver since it is now done internally.

This is to implement the section 5.5 of RFC 6141.

Improve update of the remote target of a dialog + add timer to send 503 response to a dialog for which the dialog was broken if the call does not get repaired.

Improve refresher behavior (fixes crashes)

fix security issue resulting in cn-mismatch not detected with mbedtls. Requires bctoolbox upgrade to 0.4.0.

add new parameter to refresher's listener to indicate if the refresher is going to retry the request.