Import X server from vnc-3.3.7.

[rdpsrv] / Xserver / lib / Xdmcp / GenKey.c

diff --git a/Xserver/lib/Xdmcp/GenKey.c b/Xserver/lib/Xdmcp/GenKey.c
new file mode 100644 (file)
index 0000000..002af42
--- /dev/null
+++ b/Xserver/lib/Xdmcp/GenKey.c
@@ -0,0 +1,77 @@
+/*
+ * $XConsortium: GenKey.c,v 1.6 94/04/17 20:16:36 rws Exp $
+ * $XFree86: xc/lib/Xdmcp/GenKey.c,v 3.1 1996/10/23 13:08:39 dawes Exp $
+ *
+ * 
+Copyright (c) 1989  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+ * *
+ * Author:  Keith Packard, MIT X Consortium
+ */
+
+#include <X11/Xos.h>
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xdmcp.h>
+
+static getbits (data, dst)
+    long           data;
+    unsigned char   *dst;
+{
+    dst[0] = (data      ) & 0xff;
+    dst[1] = (data >>  8) & 0xff;
+    dst[2] = (data >> 16) & 0xff;
+    dst[3] = (data >> 24) & 0xff;
+}
+
+/* EMX is not STDC, but sometimes it is */
+#if defined(X_NOT_STDC_ENV) && !defined(__EMX__)
+#define Time_t long
+extern Time_t time ();
+#else
+#define Time_t time_t
+#endif
+
+#if defined(SYSV) || defined(SVR4)
+#define srandom srand48
+#define random lrand48
+#endif
+
+#ifdef linux
+#include <stdlib.h>
+#else
+long random();
+#endif
+
+void
+XdmcpGenerateKey (key)
+    XdmAuthKeyPtr   key;
+{
+    long    lowbits, highbits;
+
+    srandom ((int)getpid() ^ time((Time_t *)0));
+    lowbits = random ();
+    highbits = random ();
+    getbits (lowbits, key->data);
+    getbits (highbits, key->data + 4);
+}