103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/*
|
|
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
|
|
#ifdef WIN32
|
|
#include <process.h>
|
|
#define srandom srand
|
|
#define random rand
|
|
#define getpid(x) _getpid(x)
|
|
#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;
|
|
}
|