Sergei Golubchik c94ec9fc67 MDEV-17950 SHOW GRANTS FOR does not work for a user identified with non-existing plugin ...

Revert the side effect of 7c40996cc8.
Do not convert password hash to its binary representation when a user
entry is loaded. Do it lazily on the first authenticatation attempt.

As a collateral - force all authentication plugins to follow the
protocol and read_packet at least once before accessing info->username
(username is not available before first client handshake packet is read).

Fix PAM and GSSAPI plugins to behave.

2019-02-04 15:54:10 +01:00

1.9 KiB

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