Add new md5 code to common. Replace cookie generation code.

Remove some dead code from gdm-common.  Set xauth stuff in slave
correctly.  Greeter now starts on xdmcp.

svn path=/branches/mccann-gobject/; revision=4937

1 files changed, 50 insertions, 0 deletions

diff --git a/common/gdm-md5.h b/common/gdm-md5.h
new file mode 100644
index 00000000..80051f49
--- /dev/null
+++ b/common/gdm-md5.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * gdm-md5.h md5 implementation (based on L Peter Deutsch implementation)
+ *
+ * Copyright (C) 2003 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#ifndef GDM_MD5_H
+#define GDM_MD5_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct GdmMD5Context GdmMD5Context;
+
+/**
+ * A context used to store the state of the MD5 algorithm
+ */
+struct GdmMD5Context
+{
+	guint32       count[2];       /**< message length in bits, lsw first */
+	guint32       abcd[4];        /**< digest buffer */
+	unsigned char buf[64];        /**< accumulate block */
+};
+
+void        gdm_md5_init    (GdmMD5Context   *context);
+void        gdm_md5_update  (GdmMD5Context   *context,
+			     const GString   *data);
+gboolean    gdm_md5_final   (GdmMD5Context   *context,
+			     GString         *results);
+
+G_END_DECLS
+
+#endif /* GDM_MD5_H */