[PATCH] cli: crypto: tell gmime to use gpg-agent

Jani Nikula jani at nikula.org
Tue Feb 26 23:40:38 PST 2013


For decryption, we expect there to be a functioning gpg-agent, and we
want gpg to talk to it for any needed credentials. There's a gmime
function to declare that: g_mime_gpg_context_set_use_agent() [1], [2].
Start using it.

I had gpg-agent running, but gpg "use-agent" configuration option
disabled. This resulted in an error message from 'notmuch show':

  Failed to decrypt part: Canceled.

and json had this:

  "encstatus" : [ { "status" : "bad" } ]

One could argue the "use-agent" option should be enabled, but I'd like
to use the agent only as a last resort. I think that's irrelevant
though. There's a gmime function to declare what we expect, so we
should use it. Conveniently it also fixes the problem in a user
friendly way.

[1] http://git.gnome.org/browse/gmime/commit/?id=ed985397843a9da3745a8b5de3d1d652acd24724
[2] https://bugzilla.gnome.org/show_bug.cgi?id=651826
---
 crypto.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/crypto.c b/crypto.c
index fbe5aeb..cb361e1 100644
--- a/crypto.c
+++ b/crypto.c
@@ -45,6 +45,9 @@ notmuch_crypto_get_context (notmuch_crypto_t *crypto, const char *protocol)
 	    g_object_unref (session);
 #endif
 	    if (crypto->gpgctx) {
+#ifdef GMIME_ATLEAST_26
+		g_mime_gpg_context_set_use_agent ((GMimeGpgContext*) crypto->gpgctx, TRUE);
+#endif
 		g_mime_gpg_context_set_always_trust ((GMimeGpgContext*) crypto->gpgctx, FALSE);
 	    } else {
 		fprintf (stderr, "Failed to construct gpg context.\n");
-- 
1.7.10.4



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