https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6565
Summary: check_rbl_sub rules - all dots need to be escaped
Product: Spamassassin
Version: SVN Trunk (Latest Devel Version)
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Rules (Eval Tests)
AssignedTo: [email protected]
ReportedBy: [email protected]
Everything of the from
eval:check_rbl_sub('<whatever>', '127.0.0.1')
should be replaced with
eval:check_rbl_sub('<whatever>', '^127\.0\.0\.1$')
"." means "any one character" in the perl regexes used to define these, and
these will match any substring in an IP if it doesn't start with "^" and end
with "$". So...
72_active.cf:header RCVD_IN_DNSWL_HI
eval:check_rbl_sub('dnswl-firsttrusted', '127.0.\d+.3')
will match 127.0.0.3, but it will also match 127.0.103.2. Which doesn't happen
because DNSWL doesn't currently have any three digit numbers in the third
octet.
I'm not seeing any cases where it looks like this is likely to currently be
causing problems.
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