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

    /*====================================================================*"
     *
     *   xml2pib.c -
     *
     *   Contributor(s):
     *      Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

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

    #include <stdio.h>
    #include <stdlib.h>
    #include <unistd.h>
    #include <fcntl.h>
    #include <errno.h>

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

    #include "../tools/getoptv.h"
    #include "../tools/flags.h"
    #include "../tools/error.h"
    #include "../tools/files.h"
    #include "../nodes/node.h"
    #include "../key/HPAVKey.h"
    #include "../nvm/nvm.h"
    #include "../pib/pib.h"

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

    #ifndef MAKEFILE
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/checksum32.c"
    #include "../tools/fdchecksum32.c"
    #include "../tools/checksum32.c"
    #include "../tools/hexstring.c"
    #include "../tools/hexdecode.c"
    #include "../tools/strfbits.c"
    #include "../tools/todigit.c"
    #include "../tools/output.c"
    #include "../tools/emalloc.c"
    #include "../tools/error.c"
    #endif

    #ifndef MAKEFILE
    #include "../key/SHA256Reset.c"
    #include "../key/SHA256Block.c"
    #include "../key/SHA256Write.c"
    #include "../key/SHA256Fetch.c"
    #include "../key/HPAVKeyNID.c"
    #include "../key/keys.c"
    #endif

    #ifndef MAKEFILE
    #include "../nodes/xmlopen.c"
    #include "../nodes/xmlnode.c"
    #include "../nodes/xmlscan.c"
    #include "../nodes/xmledit.c"
    #include "../nodes/xmltree.c"
    #include "../nodes/xmlfree.c"
    #endif

    /*====================================================================*
     *
     *   signed pibedit1 (struct node const * node, void * memory, size_t extent);
     *
     *   Contributor(s):
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    static signed pibedit1 (struct node const * node, void * memory, size_t extent)

    {
    	struct simple_pib * simple_pib = (struct simple_pib *)(memory);
    	xmledit (node, memory, extent);
    	checksum32 (memory, extent, simple_pib->CHECKSUM);
    	return (0);
    }

    /*====================================================================*
     *
     *   signed pibedit2 (char const * filename, struct node const * node, char * memory, size_t extent);
     *
     *   search a panther/lynx image chain looking for PIB images and
     *   verify each one; return 0 on success or -1 on error; errors
     *   occur due to an invalid image chain or a bad parameter block;
     *
     *   this implementation reads the parameter block from file into
     *   into memory and checks it there;
     *
     *   Contributor(s):
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    static signed pibedit2 (char const * filename, struct node const * node, char * memory, size_t extent)

    {
    	struct nvm_header2 * nvm_header;
    	uint32_t origin = ~0;
    	uint32_t offset = 0;
    	unsigned length = 0;
    	unsigned module = 0;
    	do
    	{
    		nvm_header = (struct nvm_header2 *)(memory + offset);
    		if (LE16TOH (nvm_header->MajorVersion) != 1)
    		{
    			error (1, 0, NVM_HDR_VERSION, filename, module);
    		}
    		if (LE16TOH (nvm_header->MinorVersion) != 1)
    		{
    			error (1, 0, NVM_HDR_VERSION, filename, module);
    		}
    		if (LE32TOH (nvm_header->PrevHeader) != origin)
    		{
    			error (1, 0, NVM_HDR_LINK, filename, module);
    		}
    		if (checksum32 (nvm_header, sizeof (* nvm_header), 0))
    		{
    			error (1, 0, NVM_HDR_CHECKSUM, filename, module);
    		}
    		origin = offset;
    		offset += sizeof (* nvm_header);
    		extent -= sizeof (* nvm_header);
    		length = LE32TOH (nvm_header->ImageLength);
    		if (checksum32 (memory + offset, length, nvm_header->ImageChecksum))
    		{
    			error (1, 0, NVM_IMG_CHECKSUM, filename, module);
    		}
    		if (LE32TOH (nvm_header->ImageType) == NVM_IMAGE_PIB)
    		{
    			xmledit (node, memory + offset, length);
    			nvm_header->ImageChecksum = checksum32 (memory + offset, length, 0);
    			nvm_header->HeaderChecksum = checksum32 (nvm_header, sizeof (* nvm_header), nvm_header->HeaderChecksum);
    			return (0);
    		}
    		offset += length;
    		extent -= length;
    		module++;
    	}
    	while (~nvm_header->NextHeader);
    	return (-1);
    }

    /*====================================================================*
     *
     *   signed function (char const * filename);
     *
     *   determine the type of file and call appropriate functions;
     *
     *   Contributor(s):
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    static signed function (char const * filename, struct node const * node)

    {
    	char * memory = 0;
    	signed extent = 0;
    	signed fd;
    	if ((fd = open (filename, O_BINARY | O_RDWR)) == -1)
    	{
    		error (1, errno, FILE_CANTOPEN, filename);
    	}
    	if ((extent = lseek (fd, 0, SEEK_END)) == -1)
    	{
    		error (1, errno, FILE_CANTSIZE, filename);
    	}
    	if (!(memory = (char *)(malloc (extent))))
    	{
    		error (1, errno, FILE_CANTLOAD, filename);
    	}
    	if (lseek (fd, 0, SEEK_SET))
    	{
    		error (1, errno, FILE_CANTHOME, filename);
    	}
    	if (read (fd, memory, extent) != extent)
    	{
    		error (1, errno, FILE_CANTREAD, filename);
    	}
    	if (LE32TOH (* (uint32_t *)(memory)) == 0x60000000)
    	{
    		error (1, 0, FILE_WONTREAD, filename);
    	}
    	if (LE32TOH (* (uint32_t *)(memory)) == 0x00010001)
    	{
    		pibedit2 (filename, node, memory, extent);
    	}
    	else
    	{
    		pibedit1 (node, memory, extent);
    	}
    	if (lseek (fd, 0, SEEK_SET))
    	{
    		error (1, errno, FILE_CANTHOME, filename);
    	}
    	if (write (fd, memory, extent) != extent)
    	{
    		error (1, errno, FILE_CANTSAVE, filename);
    	}
    	close (fd);
    	return (0);
    }

    /*====================================================================*
     *
     *   int main (int argc, char const * argv []);
     *
     *
     *   Contributor(s):
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

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

    {
    	static char const * optv [] =
    	{
    		"f:qv",
    		"pib-file [pib-file] [...]",
    		"Qualcomm Atheros PLC Parameter File Editor",
    		"f f\txmlfile is (f)",
    		"q\tquiet",
    		"v\tverbose",
    		(char const *) (0)
    	};
    	struct node * node = (struct node *)(0);
    	flag_t flags = (flag_t)(0);
    	signed c;
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch (c)
    		{
    		case 'f':
    			node = xmlopen (optarg);
    			break;
    		case 'm':
    			_setbits (flags, PIB_MANIFEST);
    			break;
    		case 'q':
    			_setbits (flags, PIB_SILENCE);
    			break;
    		case 'v':
    			_setbits (flags, PIB_VERBOSE);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	while ((argc) && (* argv))
    	{
    		function (* argv, node);
    		argc--;
    		argv++;
    	}
    	if (_anyset (flags, PIB_VERBOSE))
    	{
    		xmltree (node);
    	}
    	xmlfree (node);
    	return (0);
    }

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