sshd(8) splitting continues

The work of improving ssh security by segregating functionality into separate binaries contiues, this time by introducing sshd-auth as a separate binary.

The commit message summarizes why this makes sense,

Splitting this code into a separate binary ensures that the crucial
pre-authentication attack surface has an entirely disjoint address
space from the code used for the rest of the connection. It also
yields a small runtime memory saving as the authentication code will
be unloaded after thhe authentication phase completes.

The code is in snapshots as we type.

Read the whole thing after the fold –

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