text: /*====================================================================*
   *
   *   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.
   *
   *--------------------------------------------------------------------*/
  
  #define _GETOPT_H
  
  /*====================================================================*
   *   system header files;
   *--------------------------------------------------------------------*/
  
  #include <stdio.h>
  #include <ctype.h>
  #include <errno.h>
  #include <limits.h>
  
  /*====================================================================*
   *   custom header files;
   *--------------------------------------------------------------------*/
  
  #include "../tools/getoptv.h"
  #include "../tools/putoptv.h"
  #include "../tools/memory.h"
  #include "../tools/number.h"
  #include "../tools/types.h"
  #include "../tools/flags.h"
  #include "../tools/error.h"
  #include "../key/keys.h"
  
  /*====================================================================*
   *   custom source files;
   *--------------------------------------------------------------------*/
  
  #ifndef MAKEFILE
  #include "../tools/getoptv.c"
  #include "../tools/putoptv.c"
  #include "../tools/version.c"
  #include "../tools/todigit.c"
  #include "../tools/uintspec.c"
  #include "../tools/error.c"
  #endif
  
  #ifndef MAKEFILE
  #include "../key/MACPasswords.c"
  #include "../key/RNDPasswords.c"
  #include "../key/putpwd.c"
  #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
   *
   *--------------------------------------------------------------------*/
  
  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') && (c != EOF));
  			continue;
  		}
  		for (width = 0; width < ETHER_ADDR_LEN; width++)
  		{
  			if ((digit = todigit (c)) < radix)
  			{
  				vendor *= radix;
  				vendor += digit;
  				c = getc (stdin);
  				continue;
  			}
  			error (1, EINVAL, "%s: line %d: Illegal vendor", file, line);
  		}
  		if (!vendor)
  		{
  			error (1, EPERM, "%s: line %d: Vendor can't be zero", file, line);
  		}
  		for (width = 0; width < ETHER_ADDR_LEN; width++)
  		{
  			if ((digit = todigit (c)) < radix)
  			{
  				device *= radix;
  				device += digit;
  				c = getc (stdin);
  				continue;
  			}
  			error (1, EINVAL, "%s: line %d: Illegal device", file, line);
  		}
  		if (!device)
  		{
  			error (1, EPERM, "%s: line %d: Device can't be zero", 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
   *
   *--------------------------------------------------------------------*/
  
  #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 [] =
  	{
  		"b:el:mqv",
  		PUTOPTV_S_FUNNEL,
  		"Atheros device password generator",
  		"b n\tbunching factor [" LITERAL (DEFAULT_BUNCH) "]",
  		"e\tbase passwords on host system entropy (more secure)",
  		"l n\tpassword letters [" LITERAL (DEFAULT_ALPHA) "]",
  		"m\tbase passwords on MAC addresses (non-secure)",
  		"q\tomit device address on output",
  		"v\tprepend PTS flag on output",
  		(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 ("stdin", alpha, bunch, space, flags);
  	}
  	while ((argv) && (* argv))
  	{
  		if (!freopen (* argv, "rb", stdin))
  		{
  			error (1, EINVAL, "Can't open %s", * argv);
  		}
  		function (* argv, alpha, bunch, space, flags);
  		argc--;
  		argv++;
  	}
  	return (0);
  }
  
  