kTLS: implement recvmsg #4154
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kTLS: implement recvmsg #4154
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Description of changes:
This PR adds an implementation for s2n_ktls_recvmsg.
The function is responsible for calling
recvmsgand retrieving some plaintext data from the socket (remember kTLS is responsible for performing the decryption). It also retrieves the record_type via control data from the socket by calling thes2n_get_control_datafn which was added a couple of kTLS PRs ago.With this we have a basis for sending (sendmsg) and receiving (recvmsg) data when using kTLS. After this we will start integrating with the existing s2n-tls s2n_send and s2n_recv functions.
Call-outs:
Testing:
Unit tests
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.