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MACPasswords.c
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/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* void MACPasswords (unsigned vendor, unsigned device, unsigned number, unsigned count, unsigned group, char space, flag_t flags);
*
* keys.h
*
* print a range of device address/password pairs on stdout; print
* an optional usage flag in first column for PTS compatability;
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
#ifndef MACPASSWORDS_SOURCE
#define MACPASSWORDS_SOURCE
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdint.h>
#include <limits.h>
#include "../tools/types.h"
#include "../tools/flags.h"
#include "../key/keys.h"
static uint64_t MACSeed = 0;
static uint64_t MACSRand (uint64_t seed)
{
uint64_t temp = MACSeed;
MACSeed = seed;
return (temp);
}
static unsigned MACRand ()
{
MACSeed *= 0x41C64E6D;
MACSeed += 0x00003029;
return ((unsigned)((MACSeed >> 0x10) & 0x7FFFFFFF));
}
/*====================================================================*
*
* void MACPassword (unsigned device, char const charset [], unsigned limit, unsigned count, unsigned group, char space);
*
* keys.h
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
void MACPassword (unsigned device, char const charset [], unsigned limit, unsigned count, unsigned group, char space)
{
MACSRand (device);
while (count--)
{
unsigned index = MACRand () % limit;
putc (charset [index & limit], stdout);
if ((count) && (group) && !(count % group))
{
putc (space, stdout);
}
}
return;
}
/*====================================================================*
*
* void MACPasswords (unsigned vendor, unsigned device, unsigned number, unsigned count, unsigned group, char space, flag_t flags);
*
* keys.h
*
* print a range of device address/password pairs on stdout; print
* an optional usage flag in first column for PTS compatability;
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
void MACPasswords (unsigned vendor, unsigned device, unsigned number, unsigned count, unsigned group, char space, flag_t flags)
{
char charset [UCHAR_MAX];
unsigned offset = 0;
if (vendor >> 24)
{
return;
}
if (device >> 24)
{
return;
}
if (number >> 24)
{
return;
}
MACSRand (vendor);
while (offset < sizeof (charset))
{
unsigned c = MACRand () % (SCHAR_MAX + 1);
if (isupper (c))
{
charset [offset++] = c;
}
}
while (number--)
{
if (_anyset (flags, PASSWORD_VERBOSE))
{
putc ('0', stdout);
putc (' ', stdout);
}
if (_allclr (flags, PASSWORD_SILENCE))
{
printf ("%06X", vendor & 0x00FFFFFF);
printf ("%06X", device & 0x00FFFFFF);
putc (' ', stdout);
}
MACPassword (device, charset, sizeof (charset), count, group, space);
putc ('\n', stdout);
device++;
}
return;
}
#endif
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