Firebird: Developer's Report: Core Security and Design Enhancements

Fixed #6945: Segfault in batch interface when gbak restores DB with a lot of blobs over the wire
Fixed #6967: PIO_read / PIO_write may falsely return success in a case when block was read / written incompletely
Fixed #6978: FB4 build fails on big endian
Fixed #6947: Query to mon$ tables does not return data when the encryption/decryption thread is running
Fixed #7036: Unexpected messages 'Missing security context ...' in firebird.log
Fixed #7025: Results of negation must be the same for each datatype (smallint / int /bigint / int128) when argument is least possible value for this type ixed #7043: Wrong message when user has no access to /tmp/firebird
Fixed #6966: Status vector for execute statement() is unstable if another execute block with correct statement was executed before. Affects only LINUX builds in Classic mode.
Fixed #6963: grant references not working
Fixed #7060: Deadlock when execute test for CORE-4337
Fixed #7065: Connection hangs after delivery of 2**32 - 1 packets when encypting wire with chacha plugin
Fixed #7066: Server may send incorrect specific data to client when establishing encrypted connection
Fixed #7067: Deadlock when using not initialized security database
Fixed #7069: Errors in chacha plugin displayed incorrectly
Fixed #7080: Executing batch crashes server

Implemented #6954: fb_info_protocol_version support
Implemented #6959: add IBatch::getInfo() call
Enhancement: Enhanced control on the size of available batch buffers when restoring database ensures never getting isc_batch_too_big error

Shared (between SS attachments) metadata cache, done in 2021 - ensured correct encapsulation of metadata cache (making it easier t move between attachment / database level).
N.B. done in separate git branch "metacache".

Alex Peshkov
Yaroslavl, Russia