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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 &quot;AS IS&quot; 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.  
 *
 *--------------------------------------------------------------------*/

#define _GETOPT_H

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include &lt;stdio.h&gt;
#include &lt;ctype.h&gt;
#include &lt;errno.h&gt;
#include &lt;limits.h&gt;

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include &quot;../tools/getoptv.h&quot;
#include &quot;../tools/putoptv.h&quot;
#include &quot;../tools/memory.h&quot;
#include &quot;../tools/number.h&quot;
#include &quot;../tools/types.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../key/keys.h&quot;

/*====================================================================*
 *   custom source files;
 *--------------------------------------------------------------------*/

#ifndef MAKEFILE
#include &quot;../tools/getoptv.c&quot;
#include &quot;../tools/putoptv.c&quot;
#include &quot;../tools/version.c&quot;
#include &quot;../tools/todigit.c&quot;
#include &quot;../tools/uintspec.c&quot;
#include &quot;../tools/error.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../key/MACPasswords.c&quot;
#include &quot;../key/RNDPasswords.c&quot;
#include &quot;../key/putpwd.c&quot;
#endif

/*====================================================================*
 *   program constants;
 *--------------------------------------------------------------------*/

#ifndef ETHER_ADDR_LEN
#define ETHER_ADDR_LEN 6
#endif

/*====================================================================*
 *   program functions;
 *--------------------------------------------------------------------*/

void (* generate)(unsigned, unsigned, unsigned, unsigned, unsigned, char, flag_t) = RNDPasswords;

/*====================================================================*
 *
 *   void function (const char * file, unsigned alpha, unsigned bunch, flag_t flags)
 *
 *   read Ethernet hardware address strings from a file and print 
 *   address passwords pairs on stdout;
 *
 *   parse an Ethernet hardware address string into vendor and device
 *   ID substrings; print a specified number of consecutive addresses
 *   and password strings having a defined letter count and grouping;
 *
 *   Contributor(s):
 *	Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

static void function (const char * file, unsigned alpha, unsigned bunch, unsigned space, flag_t flags)

{
	extern void (* generate)(unsigned, unsigned, unsigned, unsigned, unsigned, char, flag_t);
	unsigned line = 1;
	unsigned radix = 0x10;
	unsigned width;
	unsigned digit;
	signed c = getc (stdin);
	while (c != EOF)
	{
		uint32_t vendor = 0;
		uint32_t device = 0;
		while (isspace (c))
		{
			if (c == '\n')
			{
				line++;
			}
			c = getc (stdin);
		}
		if ((c == '#') || (c == ';'))
		{
			do
			{
				c = getc (stdin);
			}
			while ((c != '\n') &amp;&amp; (c != EOF));
			continue;
		}
		for (width = 0; width &lt; ETHER_ADDR_LEN; width++)
		{
			if ((digit = todigit (c)) &lt; radix)
			{
				vendor *= radix;
				vendor += digit;
				c = getc (stdin);
				continue;
			}
			error (1, EINVAL, &quot;%s: line %d: Illegal vendor&quot;, file, line);
		}
		if (!vendor)
		{
			error (1, EPERM, &quot;%s: line %d: Vendor can't be zero&quot;, file, line);
		}
		for (width = 0; width &lt; ETHER_ADDR_LEN; width++)
		{
			if ((digit = todigit (c)) &lt; radix)
			{
				device *= radix;
				device += digit;
				c = getc (stdin);
				continue;
			}
			error (1, EINVAL, &quot;%s: line %d: Illegal device&quot;, file, line);
		}
		if (!device)
		{
			error (1, EPERM, &quot;%s: line %d: Device can't be zero&quot;, file, line);
		}
		while (isspace (c))
		{
			if (c == '\n')
			{
				line++;
			}
			c = getc (stdin);
		}
		generate (vendor, device, 1, alpha, bunch, space, flags);
	}
	return;
}

/*====================================================================*
 *
 *   int main (int argc, const char * argv []);
 *
 *   read one or more text files containing device address strings
 *   and print a stream of address/password pairs; device addresses
 *   must be separated by white space;
 *
 *   Contributor(s):
 *	Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

#define DEFAULT_ALPHA 25
#define DEFAULT_BUNCH 0

int main (int argc, const char * argv [])

{
	extern void (* generate)(unsigned, unsigned, unsigned, unsigned, unsigned, char, flag_t);
	static const char * optv [] =
	{
		&quot;b:el:mqv&quot;,
		PUTOPTV_S_FUNNEL,
		&quot;Atheros device password generator&quot;,
		&quot;b n\tbunching factor [&quot; LITERAL (DEFAULT_BUNCH) &quot;]&quot;,
		&quot;e\tbase passwords on host system entropy (more secure)&quot;,
		&quot;l n\tpassword letters [&quot; LITERAL (DEFAULT_ALPHA) &quot;]&quot;,
		&quot;m\tbase passwords on MAC addresses (non-secure)&quot;,
		&quot;q\tomit device address on output&quot;,
		&quot;v\tprepend PTS flag on output&quot;,
		(const char *)(0)
	};
	unsigned alpha = DEFAULT_ALPHA;
	unsigned bunch = DEFAULT_BUNCH;
	unsigned space = '-';
	flag_t flags = (flag_t)(0);
	signed c;
	optind = 1;
	while ((c = getoptv (argc, argv, optv)) != -1)
	{
		switch ((char)(c))
		{
		case 'b':
			bunch = uintspec (optarg, 0, UCHAR_MAX);
			break;
		case 'e':
			generate = RNDPasswords;
			break;
		case 'l':
			alpha = uintspec (optarg, 12, 64);
			break;
		case 'm':
			generate = MACPasswords;
			break;
		case 'q':
			_setbits (flags, PASSWORD_SILENCE);
			break;
		case 'v':
			_setbits (flags, PASSWORD_VERBOSE);
			break;
		default:
			break;
		}
	}
	argc -= optind;
	argv += optind;
	if (!argc)
	{
		function (&quot;stdin&quot;, alpha, bunch, space, flags);
	}
	while ((argv) &amp;&amp; (* argv))
	{
		if (!freopen (* argv, &quot;rb&quot;, stdin))
		{
			error (1, EINVAL, &quot;Can't open %s&quot;, * argv);
		}
		function (* argv, alpha, bunch, space, flags);
		argc--;
		argv++;
	}
	return (0);
}


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