    /*====================================================================*
     *
     *   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.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   int6kf.c - Atheros Powerline Device Flash Utility;
     *
     *   this program sends and receives raw ethernet frames and so needs
     *   root priviledges; if you install it using "chmod 555" and "chown
     *   root:root" then you must login as root to run it; otherwise, you
     *   can install it using "chmod 4555" and "chown root:root" so that
     *   anyone can run it; the program will refuse to run until you get
     *   things right;
     *
     *   Contributor(s):
     *      Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

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

    #include <unistd.h>
    #include <stdlib.h>
    #include <limits.h>
    #include <string.h>
    #include <ctype.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/files.h"
    #include "../tools/error.h"
    #include "../ram/nvram.h"
    #include "../ram/sdram.h"
    #include "../nvm/nvm.h"
    #include "../plc/plc.h"
    #include "../pib/pib.h"

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

    #ifndef MAKEFILE
    #include "../plc/chipset.c"
    #include "../plc/Confirm.c"
    #include "../plc/Devices.c"
    #include "../plc/Display.c"
    #include "../plc/Failure.c"
    #include "../plc/FlashNVM.c"
    #include "../plc/ReadMME.c"
    #include "../plc/Request.c"
    #include "../plc/SendMME.c"
    #include "../plc/StartDevice1.c"
    #include "../plc/FlashDevice1.c"
    #include "../plc/UpgradeDevice1.c"
    #include "../plc/StartFirmware1.c"
    #include "../plc/WriteFirmware1.c"
    #include "../plc/WriteCFG.c"
    #include "../plc/WriteMEM.c"
    #include "../plc/WriteNVM.c"
    #include "../plc/WritePIB.c"
    #include "../plc/WaitForReset.c"
    #include "../plc/WaitForStart.c"
    #include "../plc/WaitForRestart.c"
    #endif

    #ifndef MAKEFILE
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/uintspec.c"
    #include "../tools/checkfilename.c"
    #include "../tools/hexdecode.c"
    #include "../tools/hexstring.c"
    #include "../tools/todigit.c"
    #include "../tools/hexdump.c"
    #include "../tools/checksum32.c"
    #include "../tools/fdchecksum32.c"
    #include "../tools/typename.c"
    #include "../tools/strfbits.c"
    #include "../tools/error.c"
    #endif

    #ifndef MAKEFILE
    #include "../ram/sdramfile.c"
    #include "../ram/sdrampeek.c"
    #endif

    #ifndef MAKEFILE
    #include "../nvm/nvm.c"
    #include "../nvm/nvmfile1.c"
    #include "../nvm/nvmpeek1.c"
    #endif

    #ifndef MAKEFILE
    #include "../pib/pibfile1.c"
    #include "../pib/pibpeek1.c"
    #endif

    #ifndef MAKEFILE
    #include "../ether/openchannel.c"
    #include "../ether/closechannel.c"
    #include "../ether/readpacket.c"
    #include "../ether/sendpacket.c"
    #include "../ether/channel.c"
    #endif

    #ifndef MAKEFILE
    #include "../mme/EthernetHeader.c"
    #include "../mme/HomePlugHeader.c"
    #include "../mme/QualcommHeader.c"
    #include "../mme/UnwantedMessage.c"
    #include "../mme/MMECode.c"
    #endif

    #ifndef MAKEFILE
    #include "../key/keys.c"
    #endif

    /*====================================================================*
     *
     *   int main (int argc, const char * argv[]);
     *
     *   parse command line, populate int6k structure and perform selected
     *   operations; show help summary when asked; see getoptv and putoptv
     *   to understand command line parsing and help summary display; see
     *   int6k.h for the definition of struct int6k;
     *
     *   the default interface is eth1 because most people use eth0 as
     *   their principle network connection; you can specify another
     *   interface with -i or define environment string PLC to make
     *   that the default interface and save typing;
     *
     *--------------------------------------------------------------------*/

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

    {
    	extern struct channel channel;
    	static const char *optv [] =
    	{
    		"C:i:eFN:p:P:qt:vx",
    		"-C file -P file -N file",
    		"Atheros Powerline Device Flash Utility for INT6300",
    		"C f\twrite CFG file to device using VS_SET_SDRAM",
    		"e\tredirect stderr messages to stdout",

    #if defined (WINPCAP) || defined (LIBPCAP)

    		"i n\thost interface number [2]",

    #else

    		"i s\thost interface name [" CHANNEL_ETHDEVICE "]",

    #endif

    		"F[F]\tflash [force] NVRAM after firmware start using VS_MOD_NVM",
    		"N f\twrite NVM file to device using VS_WR_MEM",
    		"P f\twrite PIB file to device using VS_WR_MEM",
    		"q\tquiet mode",

    #if defined (WINPCAP) || defined (LIBPCAP)

    		"t n\tread capture time is (n) milliseconds [50]",

    #else

    		"t n\tread timeout is (n) milliseconds [50]",

    #endif

    		"v\tverbose mode",
    		"x\texit on error",
    		(const char *) (0)
    	};

    #include "../plc/plc.c"

    	char firmware [PLC_VERSION_STRING];
    	signed c;
    	if (getenv (PLCDEVICE))
    	{

    #if defined (WINPCAP) || defined (LIBPCAP)

    		channel.ifindex = atoi (getenv (PLCDEVICE));

    #else

    		channel.ifname = strdup (getenv (PLCDEVICE));

    #endif

    	}
    	optind = 1;
    	opterr = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch ((char) (c))
    		{
    		case 'C':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.CFG.file = open (optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", optarg);
    			}
    			if (sdramfile (plc.CFG.file, optarg, plc.flags))
    			{
    				error (1, ECANCELED, "CFG file %s is corrupt", optarg);
    			}
    			_setbits (plc.flags, PLC_SDRAM_CONFIG);
    			plc.CFG.name = optarg;
    			break;
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'i':

    #if defined (WINPCAP) || defined (LIBPCAP)

    			channel.ifindex = atoi (optarg);

    #else

    			channel.ifname = optarg;

    #endif

    			break;
    		case 'F':
    			_setbits (plc.module, PLC_MODULE_NVM_PIB);
    			if (_anyset (plc.flags, PLC_FLASH_DEVICE))
    			{
    				_setbits (plc.module, VS_MODULE_FORCE);
    			}
    			_setbits (plc.flags, PLC_FLASH_DEVICE);
    			break;
    		case 'N':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.NVM.file = open (optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", optarg);
    			}
    			plc.NVM.name = optarg;
    			if (nvmfile1 (&plc.NVM))
    			{
    				error (1, errno, "Bad firmware file: %s", plc.NVM.name);
    			}
    			_setbits (plc.flags, PLC_WRITE_MAC);
    			break;
    		case 'P':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.PIB.file = open (optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", optarg);
    			}
    			plc.PIB.name = optarg;
    			if (pibfile1 (&plc.PIB))
    			{
    				error (1, errno, "Bad parameter file: %s", plc.PIB.name);
    			}
    			_setbits (plc.flags, PLC_WRITE_PIB);
    			break;
    		case 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 't':
    			channel.timeout = (unsigned)(uintspec (optarg, 0, UINT_MAX));
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		case 'x':
    			_setbits (plc.flags, PLC_BAILOUT);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	if (argc)
    	{
    		error (1, ECANCELED, "Too many arguments");
    	}
    	if (plc.CFG.file == -1)
    	{
    		error (1, ECANCELED, "No CFG file specified");
    	}
    	if (plc.PIB.file == -1)
    	{
    		error (1, ECANCELED, "No PIB file specified");
    	}
    	if (plc.NVM.file == -1)
    	{
    		error (1, ECANCELED, "No NVM file specified");
    	}
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (struct message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (WaitForStart (&plc, firmware, sizeof (firmware)))
    	{
    		Failure (&plc, "Device must be connected");
    		return (-1);
    	}
    	if (plc.hardwareID > CHIPSET_INT6300)
    	{
    		Failure (&plc, "Device must be %s or earlier; try using int6kboot.", chipsetname (CHIPSET_INT6300));
    		return (-1);
    	}
    	if (strcmp (firmware, "BootLoader"))
    	{
    		Failure (&plc, "Bootloader must be running");
    		return (-1);
    	}
    	if (!StartDevice1 (&plc))
    	{
    		if (_anyset (plc.flags, PLC_FLASH_DEVICE))
    		{
    			UpgradeDevice1 (&plc);
    		}
    	}
    	free (plc.message);
    	closechannel (&channel);
    	exit (0);
    }

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