About parsec authentication, when user has an empty password, user doesn't have an authentication_string set (visible in mysql.user).
Exchanges when creating a connection results then sends unexpected data when asking for ext-salt.
example when using an empty password, packet is for example :
+--------------------------------------------------+
|
| 0 1 2 3 4 5 6 7 8 9 a b c d e f |
|
+--------------------------------------------------+------------------+
|
| 14 00 00 04 00 04 00 05 00 06 00 07 00 08 00 0B | ................ |
|
| 00 0E 00 0F 00 10 00 13 | ........ |
|
+--------------------------------------------------+------------------+
|
in place of something that begins with 'P0' like :
+--------------------------------------------------+
|
| 0 1 2 3 4 5 6 7 8 9 a b c d e f |
|
+--------------------------------------------------+------------------+
|
| 14 00 00 04 50 00 01 A5 ED 67 34 40 70 2A E3 8A | ....P....g4@p*.. |
|
| 00 A2 BB 63 6B 9C D3 13 | ...ck... |
|
+--------------------------------------------------+------------------+
|
Bug
Blocker
MDEV-32618 PARSEC Authentication Plugin
