• src/sbbs3/pack_qwk.cpp un

    From Rob Swindell@VERT to Git commit to main/sbbs/m on Thu Jan 12 19:57:00 2023
    https://gitlab.synchro.net/main/sbbs/-/commit/4e1ca83aac044659d9f87409
    Modified Files:
    src/sbbs3/pack_qwk.cpp un_rep.cpp
    Log Message:
    Fix possible crash when no extractable file types are configured in SCFG

    If libarchive couldn't extract a QWK or REP packet, we'd fallback to searching for a match among the configured extractable file types and if no extension/type
    match was found, default to the first configured extractable file type
    (even if there wasn't one) which would result in a NULL pointer dereference
    and most likely a crash. Instead, if no matching configured extractable
    file type is found, just log a warning message and don't continue with the extraction attempt. With SBBS v3.19+, it's totally valid/legit to have no extractable file types configured in SCFG and things "just work" (using libarchive).

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