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ClamAV: add a warning for the internal message size limit (#3341)

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Andreas Perhab 2023-05-15 15:46:13 +02:00 committed by GitHub
parent a99ae786db
commit ec330a35a1
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1 changed files with 9 additions and 3 deletions
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12
target/scripts/startup/setup.d/security/misc.sh
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@ -187,10 +187,16 @@ function __setup__security__clamav
then
_log 'trace' "Setting ClamAV message scan size limit to '${CLAMAV_MESSAGE_SIZE_LIMIT}'"
# do a short sanity checks; ClamAV stops scanning at more that 4GB file size
if [[ $(numfmt --from=si "${CLAMAV_MESSAGE_SIZE_LIMIT}") -gt $(numfmt --from=si 4G) ]]
# do a short sanity check: ClamAV does not support setting a maximum size greater than 4000M (at all)
if [[ $(numfmt --from=si "${CLAMAV_MESSAGE_SIZE_LIMIT}") -gt $(numfmt --from=si 4000M) ]]
then
_log 'warn' "You set 'CLAMAV_MESSAGE_SIZE_LIMIT' to a value larger than 4 Gigabyte which ClamAV does not support - you should correct your configuration"
_log 'warn' "You set 'CLAMAV_MESSAGE_SIZE_LIMIT' to a value larger than 4 Gigabyte, but the maximum value is 4000M for this value - you should correct your configuration"
fi
# For more details, see
# https://github.com/docker-mailserver/docker-mailserver/pull/3341
if [[ $(numfmt --from=si "${CLAMAV_MESSAGE_SIZE_LIMIT}") -ge $(numfmt --from=iec 2G) ]]
then
_log 'warn' "You set 'CLAMAV_MESSAGE_SIZE_LIMIT' to a value larger than 2 GiBiByte but ClamAV does not scan files larger or equal to 2GiBiByte"
fi
sedfile -i -E \