/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* getpib.c - PIB Data Extractor
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
/*====================================================================*"
* system header files;
*--------------------------------------------------------------------*/
#include <unistd.h>
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <ctype.h>
#include <inttypes.h>
/*====================================================================*
* custom header files;
*--------------------------------------------------------------------*/
#include "../tools/getoptv.h"
#include "../tools/memory.h"
#include "../tools/number.h"
#include "../tools/error.h"
#include "../tools/types.h"
#include "../tools/flags.h"
#include "../tools/files.h"
#include "../pib/pib.h"
/*====================================================================*
* custom source files;
*--------------------------------------------------------------------*/
#ifndef MAKEFILE
#include "../tools/getoptv.c"
#include "../tools/putoptv.c"
#include "../tools/version.c"
#include "../tools/uintspec.c"
#include "../tools/basespec.c"
#include "../tools/todigit.c"
#include "../tools/hexout.c"
#include "../tools/error.c"
#endif
/*====================================================================*
* constants;
*--------------------------------------------------------------------*/
#define SETPIB_VERBOSE (1 << 0)
#define SETPIB_SILENCE (1 << 1)
#define SETPIB_NEWLINE (1 << 2)
/*====================================================================*
*
* void getmemory (byte const * memory, size_t extent, char const * object, size_t length);
*
*
*--------------------------------------------------------------------*/
static void getmemory (byte const * memory, size_t extent, char const * object, size_t length)
{
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB length of " SIZE_T_SPEC " bytes", object, length);
}
hexout (memory, length, ':', 0, stdout);
return;
}
/*====================================================================*
*
* void getstring (byte const * memory, size_t extent, char const * object, size_t length);
*
*
*--------------------------------------------------------------------*/
static void getstring (byte const * memory, size_t extent, char const * object, size_t length)
{
char const * string = (char const *)(memory);
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB length " SIZE_T_SPEC " bytes", object, length);
}
while (isprint (*string) && (length--))
{
putc (*string++, stdout);
}
return;
}
/*====================================================================*
*
* void getpib (int argc, char const * argv [], byte const * memory, size_t extent);
*
* extract and print the specified data objects from memory;
*
*
*--------------------------------------------------------------------*/
static void getpib (int argc, char const * argv [], byte const * memory, size_t extent)
{
unsigned length = 0;
while ((argc) && (*argv))
{
char const * object = * argv;
argc--;
argv++;
if (!strcmp (object, "byte"))
{
uint8_t * number = (uint8_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("%u", * number);
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "word"))
{
uint16_t * number = (uint16_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("%u", LE16TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "long"))
{
uint32_t * number = (uint32_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("%u", LE32TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "huge"))
{
uint64_t * number = (uint64_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("%llu", LE64TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
#if 1
else if (!strcmp (object, "xbyte"))
{
uint8_t * number = (uint8_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("0x%02X", * number);
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "xword"))
{
uint16_t * number = (uint16_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("0x%04X", LE16TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "xlong"))
{
uint32_t * number = (uint32_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("0x%08X", LE32TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
else if (!strcmp (object, "xhuge"))
{
uint64_t * number = (uint64_t *)(memory);
if (sizeof (* number) > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
printf ("0x%016LX", LE64TOH (* number));
memory += sizeof (* number);
extent -= sizeof (* number);
}
#endif
else if (!strcmp (object, "mac"))
{
length = ETHER_ADDR_LEN;
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
getmemory (memory, extent, object, length);
memory += length;
extent -= length;
}
else if (!strcmp (object, "key"))
{
length = PIB_KEY_LEN;
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
getmemory (memory, extent, object, length);
memory += length;
extent -= length;
}
else if (!strcmp (object, "hfid"))
{
length = PIB_HFID_LEN;
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
getstring (memory, extent, object, length);
memory += length;
extent -= length;
}
#if 1
else if (!strcmp (object, "adminusername") || !strcmp (object, "adminpassword") || !strcmp (object, "accessusername"))
{
length = PIB_NAME_LEN + 1;
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
getstring (memory, extent, object, length);
memory += length;
extent -= length;
}
else if (!strcmp (object, "accesspassword"))
{
length = PIB_HFID_LEN + 1;
if (length > extent)
{
error (1, ECANCELED, "%s exceeds PIB extent " SIZE_T_SPEC, object, extent);
}
getstring (memory, extent, object, length);
memory += length;
extent -= length;
}
else if (!strcmp (object, "username") || !strcmp (object, "password") || !strcmp (object, "url"))
{
length = PIB_TEXT_LEN + 1;
getstring (memory, extent, object, length);
memory += length;
extent -= length;
}
#endif
else if (!strcmp (object, "data"))
{
if (!* argv)
{
error (1, EINVAL, "%s needs a length", object);
}
length = (unsigned)(uintspec (* argv, 1, extent));
hexout (memory, length, 0, 0, stdout);
memory += length;
extent -= length;
argc--;
argv++;
}
else if (!strcmp (object, "text"))
{
if (!* argv)
{
error (1, EINVAL, "%s needs a length", object);
}
length = (unsigned)(uintspec (* argv, 1, extent));
getstring (memory, extent, object, length);
memory += length;
extent -= length;
argc--;
argv++;
}
else if (!strcmp (object, "skip"))
{
if (!* argv)
{
error (1, EINVAL, "%s needs a length", object);
}
length = (unsigned)(uintspec (* argv, 1, extent));
memory += length;
extent -= length;
argc--;
argv++;
continue;
}
else
{
error (1, ENOTSUP, "%s", object);
}
if ((argc) && (* argv))
{
putc (' ', stdout);
}
}
}
/*====================================================================*
*
* int main (int argc, char const * argv []);
*
*
*--------------------------------------------------------------------*/
int main (int argc, char const * argv [])
{
static char const * optv [] =
{
"qvn",
"file offset type [size]\n\n\tstandard-length types are 'byte'|'word'|'long'|'huge'|'hfid'|'mac'|'key'\n\tvariable-length types are 'data'|'text'|'skip'",
"PIB Data Extractor",
"n\tappend newline",
"q\tquiet mode",
"v\tverbose mode",
(char const *) (0)
};
struct _file_ file;
struct pib_header * header;
unsigned offset = 0;
unsigned extent = 0;
byte * buffer;
flag_t flags = (flag_t)(0);
signed c;
optind = 1;
opterr = 1;
while ((c = getoptv (argc, argv, optv)) != -1)
{
switch (c)
{
case 'n':
_setbits (flags, SETPIB_NEWLINE);
break;
case 'q':
_setbits (flags, SETPIB_SILENCE);
break;
case 'v':
_setbits (flags, SETPIB_VERBOSE);
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (!argc)
{
error (1, 0, "No file to read");
}
file.name = * argv;
if ((file.file = open (file.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, FILE_CANTOPEN, file.name);
}
if ((extent = lseek (file.file, 0, SEEK_END)) == (unsigned)(-1))
{
error (1, errno, FILE_CANTSIZE, file.name);
}
if (!(buffer = malloc (extent)))
{
error (1, errno, "Can't span %s", file.name);
}
if (lseek (file.file, 0, SEEK_SET))
{
error (1, errno, FILE_CANTHOME, file.name);
}
if (read (file.file, buffer, extent) != (signed)(extent))
{
error (1, errno, FILE_CANTLOAD, file.name);
}
close (file.file);
argc--;
argv++;
header = (struct pib_header *)(buffer);
if (extent != LE16TOH (header->PIBLENGTH))
{
error (1, ECANCELED, "Bad PIB filesize: %s", file.name);
}
if (!argc)
{
error (1, ECANCELED, "Need an offset");
}
offset = (uint32_t)(basespec (* argv, 16, sizeof (uint32_t)));
if (offset > extent)
{
error (1, ECANCELED, "PIB offset " SIZE_T_SPEC " exceeds PIB extent " SIZE_T_SPEC, (size_t) offset, (size_t) extent);
}
argc--;
argv++;
if (!argc)
{
_setbits (flags, SETPIB_VERBOSE);
}
getpib (argc, argv, buffer + offset, extent - offset);
if (_anyset (flags, SETPIB_NEWLINE))
{
putc ('\n', stdout);
}
free (buffer);
return (0);
}