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Viewing changes to src/xdmcp-server.c

  • Committer: Robert Ancell
  • Date: 2015-10-29 23:10:32 UTC
  • mto: This revision was merged to the branch mainline in revision 2235.
  • Revision ID: robert.ancell@canonical.com-20151029231032-fh9difqxe7thkyg4
https://launchpad.net/bugs/1511545
Implement XDMCP ForwardQuery

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Lines of Context:
src/xdmcp-server.c
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}
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static void
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handle_query (XDMCPServer *server, GSocket *socket, GSocketAddress *address, XDMCPPacket *packet)
 
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handle_query (XDMCPServer *server, GSocket *socket, GSocketAddress *address, gchar **authentication_names)
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{
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    XDMCPPacket *response;
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    gchar **i;
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    gchar *authentication_name = NULL;
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    /* If no authentication requested and we are configured for none then allow */
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    if (packet->Query.authentication_names[0] == NULL && server->priv->key == NULL)
 
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    if (authentication_names[0] == NULL && server->priv->key == NULL)
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        authentication_name = "";
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    for (i = packet->Query.authentication_names; *i; i++)
 
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    for (i = authentication_names; *i; i++)
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    {
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        if (strcmp (*i, get_authentication_name (server)) == 0 && server->priv->key != NULL)
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        {
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    xdmcp_packet_free (response);
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}
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static void
 
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handle_forward_query (XDMCPServer *server, GSocket *socket, GSocketAddress *address, XDMCPPacket *packet)
 
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{
 
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    GSocketFamily family;
 
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    GInetAddress *client_inet_address;
 
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    GSocketAddress *client_address;
 
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    gint i;
 
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    guint16 port = 0;
 
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    family = g_socket_get_family (socket);
 
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    switch (family)
 
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    {
 
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    case G_SOCKET_FAMILY_IPV4:
 
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        if (packet->ForwardQuery.client_address.length != 4)
 
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        {
 
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            g_warning ("Ignoring IPv4 XDMCP ForwardQuery with client address of length %d", packet->ForwardQuery.client_address.length);
 
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            return;
 
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        }
 
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        break;
 
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    case G_SOCKET_FAMILY_IPV6:
 
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        if (packet->ForwardQuery.client_address.length != 16)
 
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        {
 
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            g_warning ("Ignoring IPv6 XDMCP ForwardQuery with client address of length %d", packet->ForwardQuery.client_address.length);
 
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            return;
 
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        }
 
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        break;
 
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    default:
 
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        g_warning ("Unknown socket family %d", family);
 
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        return;
 
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    }
 
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    for (i = 0; i < packet->ForwardQuery.client_port.length; i++)
 
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        port = port << 8 | packet->ForwardQuery.client_port.data[i];
 
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    client_inet_address = g_inet_address_new_from_bytes (packet->ForwardQuery.client_address.data, family);
 
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    client_address = g_inet_socket_address_new (client_inet_address, port);
 
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    g_object_unref (client_inet_address);
 
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    handle_query (server, socket, client_address, packet->ForwardQuery.authentication_names);
 
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    g_object_unref (client_address);
 
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}
 
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static guint8
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atox (char c)
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{
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            case XDMCP_BroadcastQuery:
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            case XDMCP_Query:
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            case XDMCP_IndirectQuery:
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                handle_query (server, socket, address, packet);
 
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                handle_query (server, socket, address, packet->Query.authentication_names);
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                break;
 
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            case XDMCP_ForwardQuery:
 
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                handle_forward_query (server, socket, address, packet);
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            case XDMCP_Request:
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                handle_request (server, socket, address, packet);
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                break;