[PATCH v2 3/5] cli: write session keys to database, if asked to do so
Daniel Kahn Gillmor
dkg at fifthhorseman.net
Tue Jan 9 16:12:26 PST 2018
If the decryption policy is NOTMUCH_DECRYPT_TRUE, that means we want
to stash session keys in the database. Note that there is currently
no way from the command line to set it this way, though, so it is not
yet included in the test suite.
---
mime-node.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/mime-node.c b/mime-node.c
index 11df082b..75b79f98 100644
--- a/mime-node.c
+++ b/mime-node.c
@@ -197,16 +197,18 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part,
GError *err = NULL;
GMimeDecryptResult *decrypt_result = NULL;
GMimeMultipartEncrypted *encrypteddata = GMIME_MULTIPART_ENCRYPTED (part);
+ notmuch_message_t *message = NULL;
if (! node->decrypted_child) {
- mime_node_t *parent;
- for (parent = node; parent; parent = parent->parent)
- if (parent->envelope_file)
+ for (mime_node_t *parent = node; parent; parent = parent->parent)
+ if (parent->envelope_file) {
+ message = parent->envelope_file;
break;
+ }
node->decrypted_child = _notmuch_crypto_decrypt (&node->decrypt_attempted,
node->ctx->crypto->decrypt,
- parent ? parent->envelope_file : NULL,
+ message,
cryptoctx, encrypteddata, &decrypt_result, &err);
}
if (! node->decrypted_child) {
@@ -225,6 +227,20 @@ node_decrypt_and_verify (mime_node_t *node, GMimeObject *part,
g_object_ref (node->sig_list);
set_signature_list_destructor (node);
}
+
+#if HAVE_GMIME_SESSION_KEYS
+ if (node->ctx->crypto->decrypt == NOTMUCH_DECRYPT_TRUE && message) {
+ notmuch_database_t *db = notmuch_message_get_database (message);
+ const char *sk = g_mime_decrypt_result_get_session_key (decrypt_result);
+ if (db && sk) {
+ notmuch_status_t status;
+ status = notmuch_message_add_property (message, "session-key", sk);
+ if (status)
+ fprintf (stderr, "Failed to stash session key in the database (%d) %s\n",
+ status, notmuch_status_to_string (status));
+ }
+ }
+#endif
g_object_unref (decrypt_result);
}
--
2.15.1
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