/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* signed pibfile1 (struct _file_ const * file);
*
* pib.h
*
* open a thunderbolt/lightning PIB file and validate it by
* checking file size, checksum and selected internal parameters;
* return a file descriptor on success; terminate the program on
* error;
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
#ifndef PIBFILE1_SOURCE
#define PIBFILE1_SOURCE
#include <unistd.h>
#include <errno.h>
#include "../tools/files.h"
#include "../tools/error.h"
#include "../pib/pib.h"
signed pibfile1 (struct _file_ const * file)
{
struct simple_pib simple_pib;
if (lseek (file->file, 0, SEEK_SET))
{
error (1, errno, FILE_CANTHOME, file->name);
}
if (read (file->file, &simple_pib, sizeof (simple_pib)) != sizeof (simple_pib))
{
error (1, errno, FILE_CANTREAD, file->name);
}
if (lseek (file->file, 0, SEEK_SET))
{
error (1, errno, FILE_CANTHOME, file->name);
}
if ((simple_pib.RESERVED1) || (simple_pib.RESERVED2))
{
error (1, errno, PIB_BADCONTENT, file->name);
}
if (fdchecksum32 (file->file, LE16TOH (simple_pib.PIBLENGTH), 0))
{
error (1, errno, PIB_BADCHECKSUM, file->name);
}
if (lseek (file->file, 0, SEEK_SET))
{
error (1, errno, FILE_CANTHOME, file->name);
}
return (0);
}
#endif