[Spice-devel] [PATCH] Report invalid password as a special auth error

[Cédric Bosdonnat]

Provide a special authentication error message for too long passwords.
---
 Note: this patch needs a pending one for spice-common. submodule will
 need to be updated.

 gtk/spice-channel.c | 18 ++++++++++++++----
 gtk/spice-client.h  |  2 ++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/gtk/spice-channel.c b/gtk/spice-channel.c
index 4e7d8b7..fbe3ab1 100644
--- a/gtk/spice-channel.c
+++ b/gtk/spice-channel.c
@@ -1051,7 +1051,8 @@ static void spice_channel_send_spice_ticket(SpiceChannel *channel)
 }
 
 /* coroutine context */
-static void spice_channel_failed_authentication(SpiceChannel *channel)
+static void spice_channel_failed_authentication(SpiceChannel *channel,
+                                                gboolean invalidPassword)
 {
     SpiceChannelPrivate *c = channel->priv;
 
@@ -1060,6 +1061,11 @@ static void spice_channel_failed_authentication(SpiceChannel *channel)
                             SPICE_CLIENT_ERROR,
                             SPICE_CLIENT_ERROR_AUTH_NEEDS_PASSWORD_AND_USERNAME,
                             _("Authentication failed: password and username are required"));
+    else if (invalidPassword)
+        g_set_error_literal(&c->error,
+                            SPICE_CLIENT_ERROR,
+                            SPICE_CLIENT_ERROR_AUTH_INVALID_PASSWORD,
+                            _("Authentication failed: password is too long"));
     else
         g_set_error_literal(&c->error,
                             SPICE_CLIENT_ERROR,
@@ -1086,9 +1092,13 @@ static gboolean spice_channel_recv_auth(SpiceChannel *channel)
         return FALSE;
     }
 
-    if (link_res != SPICE_LINK_ERR_OK) {
+    if (link_res == SPICE_LINK_ERR_INVALID_PASSWORD) {
+        CHANNEL_DEBUG(channel, "link result: invalid password");
+        spice_channel_failed_authentication(channel, TRUE);
+        return FALSE;
+    } if (link_res != SPICE_LINK_ERR_OK) {
         CHANNEL_DEBUG(channel, "link result: reply %d", link_res);
-        spice_channel_failed_authentication(channel);
+        spice_channel_failed_authentication(channel, FALSE);
         return FALSE;
     }
 
@@ -1662,7 +1672,7 @@ error:
     if (saslconn)
         sasl_dispose(&saslconn);
 
-    spice_channel_failed_authentication(channel);
+    spice_channel_failed_authentication(channel, FALSE);
     ret = FALSE;
 
 cleanup:
diff --git a/gtk/spice-client.h b/gtk/spice-client.h
index c2474d1..58d1f76 100644
--- a/gtk/spice-client.h
+++ b/gtk/spice-client.h
@@ -60,6 +60,7 @@ G_BEGIN_DECLS
  * @SPICE_CLIENT_USB_DEVICE_LOST: usb device disconnected (fatal IO error)
  * @SPICE_CLIENT_ERROR_AUTH_NEEDS_PASSWORD: password is required
  * @SPICE_CLIENT_ERROR_AUTH_NEEDS_PASSWORD_AND_USERNAME: password and username are required
+ * @SPICE_CLIENT_ERROR_AUTH_INVALID_PASSWORD: password is too long
  *
  * Error codes returned by spice-client API.
  */
@@ -70,6 +71,7 @@ typedef enum
     SPICE_CLIENT_USB_DEVICE_LOST,
     SPICE_CLIENT_ERROR_AUTH_NEEDS_PASSWORD,
     SPICE_CLIENT_ERROR_AUTH_NEEDS_PASSWORD_AND_USERNAME,
+    SPICE_CLIENT_ERROR_AUTH_INVALID_PASSWORD,
 } SpiceClientError;
 
 GQuark spice_client_error_quark(void);
-- 
2.1.4