#46 Signatures on large messages don't verify

v0.5.0
closed-fixed
7
2007-05-31
2007-05-31
No

[Originally reported by Eric Singer]

Large messages (apparently the boundary is 64kb) don't validate at other sites such as Yahoo! or Gmail.

Coincidentally, the MILTER_CHUNK_SIZE in the sendmail MTA is right aorund that size.

Using the DKDEBUG trick and the "example" filter that comes in the libmilter source code, the problem becomes visible; a diff of the captured raw message and the data fed to canonicalization differ somewhere around the boundary of the first chunk.

Discussion

  • Proposed patch #1

     
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    File Added: PATCH

     
    • status: open --> closed-fixed
     
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    v0.6.0 released, which incorporates the attached patch.