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

    /*====================================================================*"
     *
     *   int6k.c -
     *
     *
     *   Contributor(s):
     *      Charles Maier <cmaier@qca.qualcomm.com>
     *      Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

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

    #include <unistd.h>
    #include <stdlib.h>
    #include <stdint.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/symbol.h"
    #include "../tools/types.h"
    #include "../tools/flags.h"
    #include "../tools/files.h"
    #include "../tools/error.h"
    #include "../plc/plc.h"
    #include "../ether/channel.h"
    #include "../key/HPAVKey.h"
    #include "../key/keys.h"
    #include "../ram/sdram.h"
    #include "../pib/pib.h"
    #include "../nvm/nvm.h"

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

    #ifndef MAKEFILE
    #include "../plc/Attributes1.c"
    #include "../plc/chipset.c"
    #include "../plc/Devices.c"
    #include "../plc/Confirm.c"
    #include "../plc/Display.c"
    #include "../plc/Failure.c"
    #include "../plc/FlashNVM.c"
    #include "../plc/FactoryDefaults.c"
    #include "../plc/Identity1.c"
    #include "../plc/HostActionResponse.c"
    #include "../plc/NetInfo1.c"
    #include "../plc/NVRAMInfo.c"
    #include "../plc/PushButton.c"
    #include "../plc/SDRAMInfo.c"
    #include "../plc/SetNMK.c"
    #include "../plc/Request.c"
    #include "../plc/ReadFirmware1.c"
    #include "../plc/ReadMME.c"
    #include "../plc/ReadMFG.c"
    #include "../plc/ReadParameters1.c"
    #include "../plc/ResetDevice.c"
    #include "../plc/SendMME.c"
    #include "../plc/VersionInfo1.c"
    #include "../plc/WriteCFG.c"
    #include "../plc/WriteNVM.c"
    #include "../plc/WritePIB.c"
    #include "../plc/WaitForReset.c"
    #include "../plc/WaitForStart.c"
    #include "../plc/WaitForRestart.c"
    #include "../plc/WatchdogReport.c"
    #include "../plc/StationRole.c"
    #include "../plc/ModuleRead.c"
    #endif

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

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

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

    #ifndef MAKEFILE
    #include "../mme/MMECode.c"
    #include "../mme/EthernetHeader.c"
    #include "../mme/QualcommHeader.c"
    #include "../mme/QualcommHeader1.c"
    #include "../mme/UnwantedMessage.c"
    #endif

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

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

    #define INT6K_WAIT 0
    #define INT6K_LOOP 1

    /*====================================================================*
     *   program variables;
     *--------------------------------------------------------------------*/

    static struct _term_ const modules [] =

    {
    	{
    		"nvm",
    		"1"
    	},
    	{
    		"pib",
    		"2"
    	},
    	{
    		"both",
    		"3"
    	}
    };

    static struct _term_ const buttons [] =

    {
    	{
    		"join",
    		"1"
    	},
    	{
    		"leave",
    		"2"
    	},
    	{
    		"status",
    		"3"
    	}
    };

    /*====================================================================*
     *
     *   void manager (struct plc * plc, signed count, signed pause);
     *
     *   perform operations in logical order despite any order specfied
     *   on the command line; for example read PIB before writing PIB;
     *
     *   operation order is controlled by the order of "if" statements
     *   shown here; the entire operation sequence can be repeated with
     *   an optional pause between each iteration;
     *
     *
     *--------------------------------------------------------------------*/

    static void manager (struct plc * plc, signed count, signed pause)

    {
    	while (count--)
    	{
    		if (_anyset (plc->flags, PLC_VERSION))
    		{
    			VersionInfo1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_ATTRIBUTES))
    		{
    			Attributes1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_WATCHDOG_REPORT))
    		{
    			WatchdogReport (plc);
    		}
    		if (_anyset (plc->flags, PLC_NVRAM_INFO))
    		{
    			NVRAMInfo (plc);
    		}
    		if (_anyset (plc->flags, PLC_SDRAM_INFO))
    		{
    			SDRAMInfo (plc);
    		}
    		if (_anyset (plc->flags, PLC_READ_IDENTITY))
    		{
    			Identity1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_NETWORK))
    		{
    			NetInfo1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_SDRAM_CONFIG))
    		{
    			WriteCFG (plc);
    		}
    		if (_anyset (plc->flags, PLC_WRITE_MAC))
    		{
    			WriteNVM (plc);
    		}
    		if (_anyset (plc->flags, PLC_READ_MAC))
    		{
    			ReadFirmware1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_WRITE_PIB))
    		{
    			WritePIB (plc);
    		}
    		if (_anyset (plc->flags, PLC_READ_PIB))
    		{
    			ReadParameters1 (plc);
    		}
    		if (_anyset (plc->flags, PLC_HOST_ACTION))
    		{
    			HostActionResponse (plc);
    		}
    		if (_anyset (plc->flags, PLC_PUSH_BUTTON))
    		{
    			PushButton (plc);
    		}
    		if (_anyset (plc->flags, (PLC_SETLOCALKEY | PLC_SETREMOTEKEY)))
    		{
    			SetNMK (plc);
    		}
    		if (_anyset (plc->flags, PLC_FACTORY_DEFAULTS))
    		{
    			FactoryDefaults (plc);
    		}
    		if (_anyset (plc->flags, PLC_FLASH_DEVICE))
    		{
    			FlashNVM (plc);
    			WaitForRestart (plc);
    		}
    		if (_anyset (plc->flags, PLC_RESET_DEVICE))
    		{
    			ResetDevice (plc);
    		}
    		sleep (pause);
    	}
    	return;
    }

    /*====================================================================*
     *
     *   int main (int argc, char const * argv[]);
     *
     *   parse command line, populate plc structure and perform selected
     *   operations; show help summary if asked; see getoptv and putoptv
     *   to understand command line parsing and help summary display; see
     *   plc.h for the definition of struct plc;
     *
     *   the command line accepts multiple MAC addresses and the program
     *   performs the specified operations on each address, in turn; the
     *   address order is significant but the option order is not; the
     *   default address is a local broadcast that causes all devices on
     *   the local H1 interface to respond but not those at the remote
     *   end of the powerline;
     *
     *   the default address is 00:B0:52:00:00:01; omitting the address
     *   will automatically address the local device; some options will
     *   cancel themselves if this makes no sense;
     *
     *   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, char const * argv [])

    {
    	extern struct channel channel;
    	extern struct _term_ const daks [];
    	extern struct _term_ const nmks [];
    	static char const * optv [] =
    	{
    		"aB:C:d:D:efFHi:IJ:K:l:mMn:N:p:P:QqrRS:st:Tvw:x",
    		"device [device] [...]",
    		"Qualcomm Atheros INT6x00 Powerline Device Manager",
    		"a\tread device attributes using VS_OP_ATTRIBUTES",
    		"B n\tperform pushbutton action (n) using MS_PB_ENC [1|2|3|'join'|'leave'|'status']",
    		"C n\tflash NVRAM with module (n) using VS_MOD_NVM [1|2|3|'nvm'|'pib'|'both']",
    		"d f\tdump and clear watchdog report to file (f) using VS_WD_RPT",
    		"D x\tset DAK to (x) for option -J [" DAK1 "]",
    		"e\tredirect stderr to stdout",
    		"f\tread NVRAM Configuration using VS_GET_NVM",
    		"F[F]\tflash [force] NVRAM with PIB and firmware using VS_MOD_NVM",
    		"H\tstop host action requests using VS_HOST_ACTION.IND",

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

    		"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",

    #else

    		"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",

    #endif

    		"I\tread device identity using VS_RD_MOD",
    		"J x\tset NMK on remote device (x) via local device using VS_SET_KEY (see -K)",
    		"K x\tset NMK to (x) for options -J and -M [" NMK1 "]",
    		"l n\tloop (n) times [" LITERAL (INT6K_LOOP) "]",
    		"m\tread network membership information using VS_NW_INFO",
    		"M\tset NMK on local device using VS_SET_KEY (see -K)",
    		"n f\tread NVM from SDRAM to file (f) using VS_RD_MOD",
    		"N f\twrite NVM file (f) to SDRAM using VS_WR_MOD",
    		"p f\tread PIB from SDRAM to file (f) using VS_RD_MOD",
    		"P f\twrite PIB file (f) to SDRAM using VS_WR_MOD",
    		"q\tquiet mode",
    		"Q\tquick flash (return immediately)",
    		"r\tread hardware and firmware revision using VS_SW_VER",
    		"R\treset device using VS_RS_DEV",
    		"s\tread SDRAM Configuration using VS_RD_CBLOCK",
    		"S f\twrite an SDRAM Configuration file (f) using VS_SET_SDRAM",
    		"t n\tread timeout is (n) milliseconds [" LITERAL (CHANNEL_TIMEOUT) "]",
    		"T\trestore factory defaults using VS_FAC_DEFAULTS",
    		"v\tverbose mode",
    		"w n\tpause (n) seconds [" LITERAL (INT6K_WAIT) "]",
    		"x\texit on error",
    		(char const *) (0)
    	};

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

    	signed loop = INT6K_LOOP;
    	signed wait = INT6K_WAIT;
    	signed c;
    	if (getenv (PLCDEVICE))
    	{

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

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

    #else

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

    #endif

    	}
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		case 'a':
    			_setbits (plc.flags, PLC_ATTRIBUTES);
    			break;
    		case 'B':
    			_setbits (plc.flags, PLC_PUSH_BUTTON);
    			plc.pushbutton = (unsigned)(uintspec (synonym (optarg, buttons, SIZEOF (buttons)), 0, UCHAR_MAX));
    			break;
    		case 'C':
    			_setbits (plc.flags, PLC_FLASH_DEVICE);
    			plc.module = (unsigned)(uintspec (synonym (optarg, modules, SIZEOF (modules)), 0, UCHAR_MAX));
    			break;
    		case 'd':
    			_setbits (plc.flags, PLC_WATCHDOG_REPORT);
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.rpt.file = open (plc.rpt.name = optarg, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
    			{
    				error (1, errno, "%s", plc.rpt.name);
    			}

    #ifndef WIN32

    			chown (optarg, getuid (), getgid ());

    #endif

    			plc.readaction = 3;
    			break;
    		case 'D':
    			if (!hexencode (plc.DAK, sizeof (plc.DAK), synonym (optarg, daks, SIZEOF (daks))))
    			{
    				error (1, errno, PLC_BAD_DAK, optarg);
    			}
    			break;
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'f':
    			_setbits (plc.flags, PLC_NVRAM_INFO);
    			break;
    		case 'F':
    			_setbits (plc.module, (VS_MODULE_MAC | VS_MODULE_PIB));
    			if (_anyset (plc.flags, PLC_FLASH_DEVICE))
    			{
    				_setbits (plc.module, VS_MODULE_FORCE);
    			}
    			_setbits (plc.flags, PLC_FLASH_DEVICE);
    			break;
    		case 'H':
    			_setbits (plc.flags, PLC_HOST_ACTION);
    			break;
    		case 'I':
    			_setbits (plc.flags, PLC_READ_IDENTITY);
    			break;
    		case 'i':

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

    			channel.ifindex = atoi (optarg);

    #else

    			channel.ifname = optarg;

    #endif

    			break;
    		case 'J':
    			if (!hexencode (plc.RDA, sizeof (plc.RDA), (char const *)(optarg)))
    			{
    				error (1, errno, PLC_BAD_MAC, optarg);
    			}
    			_setbits (plc.flags, PLC_SETREMOTEKEY);
    			break;
    		case 'K':
    			if (!hexencode (plc.NMK, sizeof (plc.NMK), synonym (optarg, nmks, SIZEOF (nmks))))
    			{
    				error (1, errno, PLC_BAD_NMK, optarg);
    			}
    			break;
    		case 'M':
    			_setbits (plc.flags, PLC_SETLOCALKEY);
    			break;
    		case 'l':
    			loop = (unsigned)(uintspec (optarg, 0, UINT_MAX));
    			break;
    		case 'm':
    			_setbits (plc.flags, PLC_NETWORK);
    			break;
    		case 'N':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.NVM.file = open (plc.NVM.name = optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", plc.NVM.name);
    			}
    			if (nvmfile1 (&plc.NVM))
    			{
    				error (1, errno, "Bad firmware file: %s", plc.NVM.name);
    			}
    			_setbits (plc.flags, PLC_WRITE_MAC);
    			break;
    		case 'n':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.nvm.file = open (plc.nvm.name = optarg, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
    			{
    				error (1, errno, "%s", plc.nvm.name);
    			}

    #ifndef WIN32

    			chown (optarg, getuid (), getgid ());

    #endif

    			_setbits (plc.flags, PLC_READ_MAC);
    			break;
    		case 'P':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.PIB.file = open (plc.PIB.name = optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", plc.PIB.name);
    			}
    			if (pibfile1 (&plc.PIB))
    			{
    				error (1, errno, "Bad parameter file: %s", plc.PIB.name);
    			}
    			_setbits (plc.flags, PLC_WRITE_PIB);
    			break;
    		case 'p':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.pib.file = open (plc.pib.name = optarg, O_BINARY|O_CREAT|O_RDWR|O_TRUNC, FILE_FILEMODE)) == -1)
    			{
    				error (1, errno, "%s", plc.pib.name);
    			}

    #ifndef WIN32

    			chown (optarg, getuid (), getgid ());

    #endif

    			_setbits (plc.flags, PLC_READ_PIB);
    			break;
    		case 'Q':
    			_setbits (plc.flags, PLC_QUICK_FLASH);
    			break;
    		case 'q':
    			_setbits (channel.flags, CHANNEL_SILENCE);
    			_setbits (plc.flags, PLC_SILENCE);
    			break;
    		case 'R':
    			_setbits (plc.flags, PLC_RESET_DEVICE);
    			break;
    		case 'r':
    			_setbits (plc.flags, PLC_VERSION);
    			break;
    		case 'S':
    			if (!checkfilename (optarg))
    			{
    				error (1, EINVAL, "%s", optarg);
    			}
    			if ((plc.CFG.file = open (plc.CFG.name = optarg, O_BINARY|O_RDONLY)) == -1)
    			{
    				error (1, errno, "%s", plc.CFG.name);
    			}
    			if (sdramfile (plc.CFG.file, optarg, plc.flags))
    			{
    				error (1, ECANCELED, "SDRAM config file %s is corrupt", optarg);
    			}
    			_setbits (plc.flags, PLC_SDRAM_CONFIG);
    			break;
    		case 's':
    			_setbits (plc.flags, PLC_SDRAM_INFO);
    			break;
    		case 't':
    			channel.timeout = (signed)(uintspec (optarg, 0, UINT_MAX));
    			break;
    		case 'T':
    			_setbits (plc.flags, PLC_FACTORY_DEFAULTS);
    			break;
    		case 'v':
    			_setbits (channel.flags, CHANNEL_VERBOSE);
    			_setbits (plc.flags, PLC_VERBOSE);
    			break;
    		case 'V':
    			_setbits (plc.flags, PLC_SNIFFER);
    			plc.action = (uint8_t)(uintspec (optarg, 0, UCHAR_MAX));
    			break;
    		case 'w':
    			wait = (unsigned)(uintspec (optarg, 0, 3600));
    			break;
    		case 'x':
    			_setbits (plc.flags, PLC_BAILOUT);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	if (argc != 1)
    	{
    		if (plc.nvm.file != -1)
    		{
    			error (1, ECANCELED, PLC_NODEVICE);
    		}
    		if (plc.pib.file != -1)
    		{
    			error (1, ECANCELED, PLC_NODEVICE);
    		}
    		if (plc.rpt.file != -1)
    		{
    			error (1, ECANCELED, PLC_NODEVICE);
    		}
    	}
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (!argc)
    	{
    		manager (&plc, loop, wait);
    	}
    	while ((argc) && (* argv))
    	{
    		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    		{
    			error (1, errno, PLC_BAD_MAC, * argv);
    		}
    		manager (&plc, loop, wait);
    		argc--;
    		argv++;
    	}
    	free (plc.message);
    	closechannel (&channel);
    	exit (0);
    }

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