[Enigmail] official protocol for external helper program

[Patrick Brunschwig]

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Andrzej Filip wrote:
[...]
>> If you can do it completely externally, you could inject a header
>> telling the status of the signature verification. Then you could display
>> the additional header by adding your new header to the preference
>> "mailnews.headers.extraExpandedHeaders" (with about:config).
> 
> Yet another try:
> How hard would it be for enigmail to use "external script" for X-PGP-Sig
> verification treating it as "body only" signature?
> 
> As I understand marking signed *headers* would require a lot of changes.

What do you expect me to answer to such a question? Enigmail is not the
right tool if you want to call an "external script" for any kind of
purpose; Enigmail is specifically made to work with inline-PGP and
PGP/MIME messages, processed by GnuPG. I.e. Enigmail needs the decrypted
or verified message, together with the GnuPG status output.

Actually I think the effort for doing this would be the same as for a
"real" (i.e. correct, clean) solution, but I doubt that I would accept a
patch for such a hack.

At best you could try to write a wrapper shell script around gpg.

- -Patrick
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