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| author | marha <marha@users.sourceforge.net> | 2010-05-27 07:45:26 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2010-05-27 07:45:26 +0000 |
| commit | 9b02c06e9c08d3d537d0a6fed3304b2146d49511 (patch) | |
| tree | be6f1d6ff9c52670c60c4cf556b508357fadd174 /libXdmcp/Key.c | |
| parent | 619d6f3626f36af85cc40eeee95c7585d906fe5c (diff) | |
| parent | eb2f17e30a4b9c79dc78d520e0e0334b99984d50 (diff) | |
| download | vcxsrv-9b02c06e9c08d3d537d0a6fed3304b2146d49511.tar.gz vcxsrv-9b02c06e9c08d3d537d0a6fed3304b2146d49511.tar.bz2 vcxsrv-9b02c06e9c08d3d537d0a6fed3304b2146d49511.zip | |
svn merge ^/branches/released .
Diffstat (limited to 'libXdmcp/Key.c')
| -rw-r--r-- | libXdmcp/Key.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libXdmcp/Key.c b/libXdmcp/Key.c new file mode 100644 index 000000000..227de7de9 --- /dev/null +++ b/libXdmcp/Key.c @@ -0,0 +1,96 @@ +/*
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+ *
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xos.h>
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include <X11/Xdmcp.h>
+
+static void
+getbits (long data, unsigned char *dst)
+{
+ dst[0] = (data ) & 0xff;
+ dst[1] = (data >> 8) & 0xff;
+ dst[2] = (data >> 16) & 0xff;
+ dst[3] = (data >> 24) & 0xff;
+}
+
+#define Time_t time_t
+
+#include <stdlib.h>
+
+#if defined(HAVE_LRAND48) && defined(HAVE_SRAND48)
+#define srandom srand48
+#define random lrand48
+#endif
+
+void
+XdmcpGenerateKey (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);
+}
+
+int
+XdmcpCompareKeys (const XdmAuthKeyPtr a, const XdmAuthKeyPtr b)
+{
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (a->data[i] != b->data[i])
+ return FALSE;
+ return TRUE;
+}
+
+void
+XdmcpIncrementKey (XdmAuthKeyPtr key)
+{
+ int i;
+
+ i = 7;
+ while (++key->data[i] == 0)
+ if (--i < 0)
+ break;
+}
+
+void
+XdmcpDecrementKey (XdmAuthKeyPtr key)
+{
+ int i;
+
+ i = 7;
+ while (key->data[i]-- == 0)
+ if (--i < 0)
+ break;
+}
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