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			ampID.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 &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.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   ampID.c - Atheros Powerline Device Identity
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

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

#include &lt;unistd.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;limits.h&gt;
#include &lt;string.h&gt;
#include &lt;ctype.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/symbol.h&quot;
#include &quot;../tools/types.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/files.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../plc/plc.h&quot;
#include &quot;../ram/nvram.h&quot;
#include &quot;../ram/sdram.h&quot;
#include &quot;../nvm/nvm.h&quot;
#include &quot;../pib/pib.h&quot;
#include &quot;../mme/mme.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/uintspec.c&quot;
#include &quot;../tools/hexencode.c&quot;
#include &quot;../tools/hexdecode.c&quot;
#include &quot;../tools/todigit.c&quot;
#include &quot;../tools/hexdump.c&quot;
#include &quot;../tools/hexout.c&quot;
#include &quot;../tools/error.c&quot;
#include &quot;../tools/synonym.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../mme/EthernetHeader.c&quot;
#include &quot;../mme/QualcommHeader.c&quot;
#include &quot;../mme/UnwantedMessage.c&quot;
#include &quot;../plc/Display.c&quot;
#include &quot;../plc/Devices.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../ether/openchannel.c&quot;
#include &quot;../ether/closechannel.c&quot;
#include &quot;../ether/readpacket.c&quot;
#include &quot;../ether/sendpacket.c&quot;
#include &quot;../ether/channel.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../mme/MMECode.c&quot;
#endif

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

#define INT6KID_DAK 0
#define INT6KID_NMK 1
#define INT6KID_MAC 2
#define INT6KID_MFG 3
#define INT6KID_USR 4
#define INT6KID_NET 5

/*====================================================================*
 *
 *   void ReadKey1 (struct channel * channel, unsigned c, int key);
 *
 *   read the first block of the PIB from a device then echo one of
 *   several parameters on stdout as a string; program output can be
 *   used in scripts to define variables or compare strings;
 *
 *   this function is an abridged version of ReadParameters(); it reads only
 *   the first 1024 bytes of the PIB then stops; most parameters of
 *   general interest occur in that block;
 *
 *
 *--------------------------------------------------------------------*/

static void ReadKey1 (struct channel * channel, unsigned c, int key)

{
	struct message message;
	static signed count = 0;
	signed packetsize;

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_rd_mod_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MODULEID;
		uint8_t RESERVED;
		uint16_t MLENGTH;
		uint32_t MOFFSET;
		uint8_t DAK [16];
	}
	* request = (struct vs_rd_mod_request *)(&amp;message);
	struct __packed vs_rd_mod_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		uint8_t RESERVED1 [3];
		uint8_t MODULEID;
		uint8_t RESERVED2;
		uint16_t MLENGTH;
		uint32_t MOFFSET;
		uint32_t MCHKSUM;
		struct simple_pib pib;
	}
	* confirm = (struct vs_rd_mod_confirm *)(&amp;message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	memset (&amp;message, 0, sizeof (message));
	EthernetHeader (&amp;request-&gt;ethernet, channel-&gt;peer, channel-&gt;host, channel-&gt;type);
	QualcommHeader (&amp;request-&gt;qualcomm, 0, (VS_RD_MOD | MMTYPE_REQ));
	request-&gt;MODULEID = VS_MODULE_PIB;
	request-&gt;MLENGTH = HTOLE16 (PLC_RECORD_SIZE);
	request-&gt;MOFFSET = HTOLE32 (0);
	if (sendpacket (channel, &amp;message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) &lt; 0)
	{
		error (1, errno, CHANNEL_CANTSEND);
	}
	while ((packetsize = readpacket (channel, &amp;message, sizeof (message))) &gt; 0)
	{
		if (UnwantedMessage (&amp;message, packetsize, 0, (VS_RD_MOD | MMTYPE_CNF)))
		{
			continue;
		}
		if (confirm-&gt;MSTATUS)
		{
			error (0, 0, &quot;%s (%0X): &quot;, MMECode (confirm-&gt;qualcomm.MMTYPE, confirm-&gt;MSTATUS), confirm-&gt;MSTATUS);
			continue;
		}
		if (count++ &gt; 0)
		{
			putc (c, stdout);
		}
		if (key == INT6KID_MAC)
		{
			hexout (confirm-&gt;pib.MAC, sizeof (confirm-&gt;pib.MAC), HEX_EXTENDER, 0, stdout);
			continue;
		}
		if (key == INT6KID_DAK)
		{
			hexout (confirm-&gt;pib.DAK, sizeof (confirm-&gt;pib.DAK), HEX_EXTENDER, 0, stdout);
			continue;
		}
		if (key == INT6KID_NMK)
		{
			hexout (confirm-&gt;pib.NMK, sizeof (confirm-&gt;pib.NMK), HEX_EXTENDER, 0, stdout);
			continue;
		}
		if (key == INT6KID_MFG)
		{
			confirm-&gt;pib.MFG [PIB_HFID_LEN - 1] = (char)(0);
			printf (&quot;%s&quot;, confirm-&gt;pib.MFG);
			continue;
		}
		if (key == INT6KID_USR)
		{
			confirm-&gt;pib.USR [PIB_HFID_LEN - 1] = (char)(0);
			printf (&quot;%s&quot;, confirm-&gt;pib.USR);
			continue;
		}
		if (key == INT6KID_NET)
		{
			confirm-&gt;pib.NET [PIB_HFID_LEN - 1] = (char)(0);
			printf (&quot;%s&quot;, confirm-&gt;pib.NET);
			continue;
		}
	}
	if (packetsize &lt; 0)
	{
		error (1, errno, CHANNEL_CANTREAD);
	}
	return;
}

/*====================================================================*
 *
 *   int main (int argc, char const * argv []);
 *
 *
 *
 *--------------------------------------------------------------------*/

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

{
	extern struct channel channel;
	static char const * optv [] =
	{
		&quot;Ac:Dei:MnNqSUv&quot;,
		&quot;device&quot;,
		&quot;Qualcomm Atheros Powerline Device Identity&quot;,
		&quot;A\tEthernet address (MAC)&quot;,
		&quot;c c\tcharacter delimiter is (c)&quot;,
		&quot;D\tDevice Access Key (DAK)&quot;,
		&quot;e\tredirect stderr to stdout&quot;,

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

		&quot;i n\thost interface is (n) [&quot; LITERAL (CHANNEL_ETHNUMBER) &quot;]&quot;,

#else

		&quot;i s\thost interface is (s) [&quot; LITERAL (CHANNEL_ETHDEVICE) &quot;]&quot;,

#endif

		&quot;M\tNetwork Membership Key (NMK)&quot;,
		&quot;n\tappend newline on output&quot;,
		&quot;N\tnetwork HFID&quot;,
		&quot;q\tquiet mode&quot;,
		&quot;S\tmanufacturer HFID&quot;,
		&quot;U\tuser HFID&quot;,
		&quot;v\tverbose mode&quot;,
		(char const *) (0)
	};
	signed newline = '\n';
	signed key = INT6KID_DAK;
	flag_t flags = (flag_t)(0);
	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':
			key = INT6KID_MAC;
			break;
		case 'c':
			newline = * optarg;
			break;
		case 'D':
			key = INT6KID_DAK;
			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 'M':
			key = INT6KID_NMK;
			break;
		case 'n':
			_setbits (flags, PLC_NEWLINE);
			break;
		case 'N':
			key = INT6KID_NET;
			break;
		case 'q':
			_setbits (channel.flags, CHANNEL_SILENCE);
			_setbits (flags, PLC_SILENCE);
			break;
		case 'S':
			key = INT6KID_MFG;
			break;
		case 'U':
			key = INT6KID_USR;
			break;
		case 'v':
			_setbits (channel.flags, CHANNEL_VERBOSE);
			_setbits (flags, PLC_VERBOSE);
			break;
		default:
			break;
		}
	}
	argc -= optind;
	argv += optind;
	openchannel (&amp;channel);
	if (!argc)
	{
		ReadKey1 (&amp;channel, newline, key);
		if (_anyset (flags, PLC_NEWLINE))
		{
			putc (newline, stdout);
		}
	}
	while ((argc) &amp;&amp; (* argv))
	{
		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
		{
			error (1, errno, PLC_BAD_MAC, * argv);
		}
		ReadKey1 (&amp;channel, newline, key);
		if (_anyset (flags, PLC_NEWLINE))
		{
			putc (newline, stdout);
		}
		argv++;
		argc--;
	}
	closechannel (&amp;channel);
	return (0);
}


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