[PATCH 07/18] crypto: new decryption policy "auto"

[Jameson Graef Rollins]

On Sun, Nov 12 2017, Daniel Kahn Gillmor <dkg at fifthhorseman.net> wrote:
> On Sat 2017-11-11 15:14:03 -0800, Jameson Graef Rollins wrote:
>> On Wed, Oct 25 2017, Daniel Kahn Gillmor <dkg at fifthhorseman.net> wrote:
>>> diff --git a/util/crypto.h b/util/crypto.h
>>> index b23ca747..dc95b4ca 100644
>>> --- a/util/crypto.h
>>> +++ b/util/crypto.h
>>> @@ -16,7 +16,8 @@ typedef struct _notmuch_crypto {
>>>  } _notmuch_crypto_t;
>>>  
>>>  GMimeObject *
>>> -_notmuch_crypto_decrypt (notmuch_message_t *message,
>>> +_notmuch_crypto_decrypt (notmuch_decryption_policy_t decrypt,
>>> +			 notmuch_message_t *message,
>>>  			 GMimeCryptoContext* crypto_ctx,
>>>  			 GMimeMultipartEncrypted *part,
>>>  			 GMimeDecryptResult **decrypt_result,
>>
>> Why does _notmuch_crypt_decrypt need to have
>> "notmuch_decryption_policy_t decrypt" as an input argument?  Isn't
>> notmuch_decryption_policy_t already an attribute of the crypto_ctx?  Is
>> there some situation where the policy would differ from what's specified
>> in the crypto_ctx?
>
> crypto_ctx here is just a GMimeCryptoContext, which doesn't know
> anything about notmuch_decryption_policy_t.  Maybe i'm misunderstanding
> your question?
>
> I'd be happy to streamline the interface to this internal function, but
> given that it's not an exported API, i'm not as concerned about things
> like future cleanliness -- the notmuch source contains all invocations
> of the function anywhere, so if we find a nicer way to streamline it in
> the future, we can do that cleanup across the codebase in a single
> commit.

I guess I'm confusing how things were before, when the crypto_ctx was a
notmuch-defined thing that included the GMimeCryptoContext.

It seems like _notmuch_crypto_t could just hold the GMimeCryptoContext,
as it does for earlier versions of GMime, which would make things easier
to pass around.  But this discussion is tangent to this patch series.

jamie.
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