X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=lib%2Findex.cc;h=f029b334be407bafa820bab04f01294642208fe9;hp=1301d78a045a09d1272cbf9c81f5b4022b3ea94d;hb=ad60e5d4e8a6736af28f326803dbd38620e71ae8;hpb=9829533e92f84ff151279e5202e0420bc70a8863

diff --git a/lib/index.cc b/lib/index.cc
index 1301d78a..f029b334 100644
--- a/lib/index.cc
+++ b/lib/index.cc
@@ -372,6 +372,12 @@ _index_encrypted_mime_part (notmuch_message_t *message, notmuch_indexopts_t *ind
 			    GMimeMultipartEncrypted *part,
 			    _notmuch_message_crypto_t *msg_crypto);
 
+static void
+_index_pkcs7_part (notmuch_message_t *message,
+		   notmuch_indexopts_t *indexopts,
+		   GMimeObject *part,
+		   _notmuch_message_crypto_t *msg_crypto);
+
 /* Callback to generate terms for each mime part of a message. */
 static void
 _index_mime_part (notmuch_message_t *message,
@@ -387,11 +393,20 @@ _index_mime_part (notmuch_message_t *message,
     GMimeContentType *content_type;
     char *body;
     const char *charset;
+    GMimeObject *repaired_part = NULL;
 
     if (! part) {
 	_notmuch_database_log (notmuch_message_get_database (message),
 			       "Warning: Not indexing empty mime part.\n");
-	return;
+	goto DONE;
+    }
+
+    repaired_part = _notmuch_repair_mixed_up_mangled (part);
+    if (repaired_part) {
+	/* This was likely "Mixed Up" in transit!  We will instead use
+	 * the more likely-to-be-correct variant. */
+	notmuch_message_add_property (message, "index.repaired", "mixedup");
+	part = repaired_part;
     }
 
     _index_content_type (message, part);
@@ -444,7 +459,7 @@ _index_mime_part (notmuch_message_t *message,
 	    }
 	    _index_mime_part (message, indexopts, toindex, msg_crypto);
 	}
-	return;
+	goto DONE;
     }
 
     if (GMIME_IS_MESSAGE_PART (part)) {
@@ -454,14 +469,19 @@ _index_mime_part (notmuch_message_t *message,
 
 	_index_mime_part (message, indexopts, g_mime_message_get_mime_part (mime_message), msg_crypto);
 
-	return;
+	goto DONE;
+    }
+
+    if (GMIME_IS_APPLICATION_PKCS7_MIME (part)) {
+	_index_pkcs7_part (message, indexopts, part, msg_crypto);
+	goto DONE;
     }
 
     if (! (GMIME_IS_PART (part))) {
 	_notmuch_database_log (notmuch_message_get_database (message),
 			       "Warning: Not indexing unknown mime part: %s.\n",
 			       g_type_name (G_OBJECT_TYPE (part)));
-	return;
+	goto DONE;
     }
 
     disposition = g_mime_object_get_content_disposition (part);
@@ -475,7 +495,7 @@ _index_mime_part (notmuch_message_t *message,
 
 	/* XXX: Would be nice to call out to something here to parse
 	 * the attachment into text and then index that. */
-	return;
+	goto DONE;
     }
 
     byte_array = g_byte_array_new ();
@@ -521,6 +541,9 @@ _index_mime_part (notmuch_message_t *message,
 
 	free (body);
     }
+  DONE:
+    if (repaired_part)
+	g_object_unref (repaired_part);
 }
 
 /* descend (if desired) into the cleartext part of an encrypted MIME
@@ -596,6 +619,56 @@ _index_encrypted_mime_part (notmuch_message_t *message,
 
 }
 
+static void
+_index_pkcs7_part (notmuch_message_t *message,
+		   notmuch_indexopts_t *indexopts,
+		   GMimeObject *part,
+		   _notmuch_message_crypto_t *msg_crypto)
+{
+    GMimeApplicationPkcs7Mime *pkcs7;
+    GMimeSecureMimeType p7type;
+    GMimeObject *mimeobj = NULL;
+    GMimeSignatureList *sigs = NULL;
+    GError *err = NULL;
+    notmuch_database_t *notmuch = NULL;
+
+    pkcs7 = GMIME_APPLICATION_PKCS7_MIME (part);
+    p7type = g_mime_application_pkcs7_mime_get_smime_type (pkcs7);
+    notmuch = notmuch_message_get_database (message);
+    _index_content_type (message, part);
+
+    if (p7type == GMIME_SECURE_MIME_TYPE_SIGNED_DATA) {
+	sigs = g_mime_application_pkcs7_mime_verify (pkcs7, GMIME_VERIFY_NONE, &mimeobj, &err);
+	if (sigs == NULL) {
+	    _notmuch_database_log (notmuch, "Failed to verify PKCS#7 SignedData during indexing. (%d:%d) [%s]\n",
+				   err->domain, err->code, err->message);
+	    g_error_free (err);
+	    goto DONE;
+	}
+	_notmuch_message_add_term (message, "tag", "signed");
+	GMimeObject *toindex = mimeobj;
+	if (_notmuch_message_crypto_potential_payload (msg_crypto, mimeobj, part, 0) &&
+	    msg_crypto->decryption_status == NOTMUCH_MESSAGE_DECRYPTED_FULL) {
+	    toindex = _notmuch_repair_crypto_payload_skip_legacy_display (mimeobj);
+	    if (toindex != mimeobj)
+		notmuch_message_add_property (message, "index.repaired", "skip-protected-headers-legacy-display");
+	}
+	_index_mime_part (message, indexopts, toindex, msg_crypto);
+    } else if (p7type == GMIME_SECURE_MIME_TYPE_ENVELOPED_DATA) {
+	_notmuch_message_add_term (message, "tag", "encrypted");
+	if (notmuch_indexopts_get_decrypt_policy (indexopts) != NOTMUCH_DECRYPT_FALSE)
+	    _notmuch_database_log (notmuch, "Cannot decrypt PKCS#7 envelopedData (S/MIME encrypted messages)\n");
+    } else {
+	_notmuch_database_log (notmuch, "Cannot currently handle PKCS#7 smime-type '%s'\n",
+			       g_mime_object_get_content_type_parameter (part, "smime-type"));
+    }
+ DONE:
+    if (mimeobj)
+	g_object_unref (mimeobj);
+    if (sigs)
+	g_object_unref (sigs);
+}
+
 static notmuch_status_t
 _notmuch_message_index_user_headers (notmuch_message_t *message, GMimeMessage *mime_message)
 {