[evolution-data-server] Bug 768000 - [POP3] Make it understand Google authentication mechanism

[Milan Crha <mcrha src gnome org>]

commit d5b89f557a9de169ab5101517042e2d8b5647c17
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jun 30 21:17:40 2016 +0200

    Bug 768000 - [POP3] Make it understand Google authentication mechanism

 camel/providers/pop3/camel-pop3-store.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/camel/providers/pop3/camel-pop3-store.c b/camel/providers/pop3/camel-pop3-store.c
index 5b8e456..297f4db 100644
--- a/camel/providers/pop3/camel-pop3-store.c
+++ b/camel/providers/pop3/camel-pop3-store.c
@@ -310,7 +310,7 @@ try_sasl (CamelPOP3Store *store,
                goto exit;
        }
 
-       string = g_strdup_printf ("AUTH %s\r\n", mechanism);
+       string = g_strdup_printf ("AUTH %s\r\n", g_strcmp0 (mechanism, "Google") == 0 ? "XOAUTH2" : 
mechanism);
        ret = camel_stream_write_string (
                CAMEL_STREAM (pop3_stream), string, cancellable, error);
        g_free (string);
@@ -766,12 +766,16 @@ pop3_store_authenticate_sync (CamelService *service,
 
        } else {
                GList *link;
+               const gchar *test_mechanism = mechanism;
+
+               if (g_strcmp0 (test_mechanism, "Google") == 0)
+                       test_mechanism = "XOAUTH2";
 
                link = pop3_engine->auth;
                while (link != NULL) {
                        CamelServiceAuthType *auth = link->data;
 
-                       if (g_strcmp0 (auth->authproto, mechanism) == 0) {
+                       if (g_strcmp0 (auth->authproto, test_mechanism) == 0) {
                                result = try_sasl (
                                        store, mechanism,
                                        cancellable, error);