On 12/4/20 4:38 PM, Mark Rotteveel wrote:
A bug was reported today against Jaybird
(http://tracker.firebirdsql.org/browse/JDBC-635), that certain Srp
users cannot authenticate against Firebird 3 when using Jaybird. The
issue is not reproducible with fbclient.
This obviously means that there is something wrong in Jaybird's SRP
implementation, but so far I have no clue as to what.
The reported problem occurs with the user name DAVIDS (and one other
username that wasn't provided). I can report the problem locally with
this username.
Any ideas, or tips how to debug this?
In Srp plugin we have debugging facility:
#define SRP_DEBUG 0 // 1 - prints some debug info
// 2 - uses consts instead randoms
Using it at level 1 (special FB build on lnux needed) you can at once
see what happens on server (and compare with use of fbclient). If it's
not enough - use of level 2 required changes at client side (random
numbers should be replaced with predefined constants thus making process
of authentication exactly reproducible). With it and some debugging
printout on client all SRP behavior becomes abs clear.
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