/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* unsigned memencode (void * memory, size_t extent, char const * format, char const * string);
*
* memory.h
*
*--------------------------------------------------------------------*/
#ifndef MEMENCODE_SOURCE
#define MEMENCODE_SOURCE
#include <string.h>
#include "../tools/memory.h"
#include "../tools/number.h"
#include "../tools/error.h"
#include "../pib/pib.h"
static size_t memstring (void * memory, size_t extent, char const * format, char const * string, size_t length)
{
if (extent < length)
{
error (1, ECANCELED, "Overflow at %s %s", format, string);
}
memset (memory, 0, length);
strncpy (memory, string, length-1);
return (length);
}
size_t memencode (void * memory, size_t extent, char const * format, char const * string)
{
if (!strcmp (format, "byte"))
{
uint8_t * number = (uint8_t *)(memory);
if (extent < sizeof (* number))
{
error (1, ECANCELED, "Overflow at %s %s", format, string);
}
* number = (uint8_t)(basespec (string, 0, sizeof (* number)));
return (sizeof (* number));
}
if (!strcmp (format, "word"))
{
uint16_t * number = (uint16_t *)(memory);
if (extent < sizeof (* number))
{
error (1, ECANCELED, "Overflow at %s %s", format, string);
}
* number = (uint16_t)(basespec (string, 0, sizeof (* number)));
* number = HTOLE16 (* number);
return (sizeof (* number));
}
if (!strcmp (format, "long"))
{
uint32_t * number = (uint32_t *)(memory);
if (extent < sizeof (* number))
{
error (1, ECANCELED, "Overflow at %s %s", format, string);
}
* number = (uint32_t)(basespec (string, 0, sizeof (* number)));
* number = HTOLE32 (* number);
return (sizeof (* number));
}
if (!strcmp (format, "huge"))
{
uint64_t * number = (uint64_t *)(memory);
if (extent < sizeof (* number))
{
error (1, ECANCELED, "Overflow at %s %s", format, string);
}
* number = (uint64_t)(basespec (string, 0, sizeof (* number)));
* number = HTOLE64 (* number);
return (sizeof (* number));
}
if (!strcmp (format, "text"))
{
extent = (unsigned)(strlen (string));
memcpy (memory, string, extent);
return (extent);
}
if (!strcmp (format, "data"))
{
extent = (unsigned)(dataspec (string, memory, extent));
return (extent);
}
if (!strcmp (format, "fill"))
{
extent = (unsigned)(uintspec (string, 0, extent));
memset (memory, ~0, extent);
return (extent);
}
if (!strcmp (format, "zero"))
{
extent = (unsigned)(uintspec (string, 0, extent));
memset (memory, 0, extent);
return (extent);
}
if (!strcmp (format, "skip"))
{
extent = (unsigned)(uintspec (string, 0, extent));
return (extent);
}
#if 1
/*
* tr-069 specific fields that don't really belong in the PIB;
*/
if (!strcmp (format, "adminusername") || !strcmp (format, "adminpassword") || !strcmp (format, "accessusername"))
{
return (memstring (memory, extent, format, string, PIB_NAME_LEN + 1));
}
if (!strcmp (format, "accesspassword"))
{
return (memstring (memory, extent, format, string, PIB_HFID_LEN + 1));
}
if (!strcmp (format, "username") || !strcmp (format, "password") || !strcmp (format, "url"))
{
return (memstring (memory, extent, format, string, PIB_TEXT_LEN + 1));
}
#endif
#if 1
/*
* HPAV specific fields that belong in the PIB;
*/
if (!strcmp (format, "hfid"))
{
return (memstring (memory, extent, format, string, PIB_HFID_LEN));
}
if (!strcmp (format, "mac"))
{
return (bytespec (string, memory, ETHER_ADDR_LEN));
}
if (!strcmp (format, "key"))
{
return (bytespec (string, memory, PIB_KEY_LEN));
}
#endif
error (1, ENOTSUP, "%s", format);
return (0);
}
#endif