/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* pibcomp.c - Qualcomm Atheros Parameter Information Block Compare Utility
*
*
* Contributor(s):
* Nathaniel Houghton <nhoughto@qca.qualcomm.com>
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
/*====================================================================*
* system header files;
*--------------------------------------------------------------------*/
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <sys/stat.h>
/*====================================================================*
* custom header files;
*--------------------------------------------------------------------*/
#include "../tools/getoptv.h"
#include "../tools/number.h"
#include "../tools/memory.h"
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../tools/chars.h"
#include "../tools/sizes.h"
#include "../tools/files.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/hexview.c"
#include "../tools/hexoffset.c"
#include "../tools/error.c"
#include "../tools/checksum32.c"
#include "../tools/fdchecksum32.c"
#endif
#ifndef MAKEFILE
#include "../nvm/nvmseek2.c"
#endif
/*====================================================================*
*
* void function (char const * filename [], flag_t flags);
*
* read object definitions from stdin and use them to compare two
* files; dump only those objects that differ on stdout;
*
*
*--------------------------------------------------------------------*/
static void function (char const * filename [], flag_t flags)
{
unsigned file;
unsigned object = 0;
unsigned lineno = 1;
signed fd [2];
signed length = 0;
off_t origin [2];
off_t offset [2];
off_t extent [2];
char memory [_ADDRSIZE+1];
char symbol [_NAMESIZE];
char string [_LINESIZE];
char * sp;
signed c;
for (file = 0; file < SIZEOF (fd); file++)
{
uint32_t version;
if ((fd [file] = open (filename [file], O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", filename [file]);
}
if (read (fd [file], &version, sizeof (version)) != sizeof (version))
{
error (1, errno, FILE_CANTREAD, filename [file]);
}
if ((extent [file] = lseek (fd [file], 0, SEEK_END)) == (off_t)(-1))
{
error (1, 0, FILE_CANTSIZE, filename [file]);
}
if ((origin [file] = lseek (fd [file], 0, SEEK_SET)))
{
error (1, errno, FILE_CANTHOME, filename [file]);
}
if (LE32TOH (version) == 0x60000000)
{
error (1, ENOTSUP, "%s is not a PIB file", filename [file]);
}
if (LE32TOH (version) == 0x00010001)
{
struct nvm_header2 nvm_header;
if (nvmseek2 (fd [file], filename [file], &nvm_header, NVM_IMAGE_PIB))
{
error (1, ENOTSUP, "%s is not a PIB file", filename [file]);
}
origin [file] = lseek (fd [file], 0, SEEK_CUR);
}
}
if (origin [0] != origin [1])
{
error (0, EINVAL, "PIBs have different offsets");
}
memset (offset, 0, sizeof (offset));
while ((c = getc (stdin)) != EOF)
{
if ((c == '#') || (c == ';'))
{
do
{
c = getc (stdin);
}
while (nobreak (c));
lineno++;
continue;
}
if (isspace (c))
{
if (c == '\n')
{
lineno++;
}
continue;
}
if (c == '+')
{
do
{
c = getc (stdin);
}
while (isblank (c));
}
length = 0;
while (isdigit (c))
{
length *= 10;
length += c - '0';
c = getc (stdin);
}
while (isblank (c))
{
c = getc (stdin);
}
sp = symbol;
if (isalpha (c) || (c == '_'))
{
do
{
*sp++ = (char)(c);
c = getc (stdin);
}
while (isident (c));
}
while (isblank (c))
{
c = getc (stdin);
}
if (c == '[')
{
*sp++ = (char)(c);
c = getc (stdin);
while (isblank (c))
{
c = getc (stdin);
}
while (isdigit (c))
{
*sp++ = (char)(c);
c = getc (stdin);
}
while (isblank (c))
{
c = getc (stdin);
}
*sp = (char)(0);
if (c != ']')
{
error (1, EINVAL, "Have '%s' but need ']' on line %d", symbol, lineno);
}
*sp++ = (char)(c);
c = getc (stdin);
}
*sp = (char)(0);
while (isblank (c))
{
c = getc (stdin);
}
sp = string;
while (nobreak (c))
{
*sp++ = (char)(c);
c = getc (stdin);
}
*sp = (char)(0);
if (length > 0)
{
#if defined (WIN32)
char * buffer [2];
buffer [0] = (char *)(emalloc (length));
buffer [1] = (char *)(emalloc (length));
#else
byte buffer [2][length];
#endif
if ((read (fd [0], buffer [0], length) == length) && (read (fd [1], buffer [1], length) == length))
{
if (memcmp (buffer [0], buffer [1], length))
{
if (!object++)
{
for (c = 0; c < _ADDRSIZE + 65; c++)
{
putc ('-', stdout);
}
putc ('\n', stdout);
}
printf ("%s %d %s\n", hexoffset (memory, sizeof (memory), offset [0]), length, symbol);
for (c = 0; c < _ADDRSIZE; c++)
{
putc ('-', stdout);
}
printf (" %s\n", filename [0]);
hexview (buffer [0], offset [0], length, stdout);
for (c = 0; c < _ADDRSIZE; c++)
{
putc ('-', stdout);
}
printf (" %s\n", filename [1]);
hexview (buffer [1], offset [1], length, stdout);
for (c = 0; c < _ADDRSIZE + 65; c++)
{
putc ('-', stdout);
}
putc ('\n', stdout);
}
}
#if defined (WIN32)
free (buffer [0]);
free (buffer [1]);
#endif
}
offset [0] += length;
offset [1] += length;
lineno++;
}
if (_allclr (flags, PIB_SILENCE))
{
offset [0] += origin [0];
offset [1] += origin [1];
for (file = 0; file < SIZEOF (extent); file++)
{
if (offset [file] < extent [file])
{
error (0, 0, "%s exceeds definition by " OFF_T_SPEC " bytes", filename [file], extent [file] - offset [file]);
}
if (offset [file] > extent [file])
{
error (0, 0, "definition exceeds %s by " OFF_T_SPEC " bytes", filename [file], offset [file] - extent [file]);
}
}
if (extent [0] > extent [1])
{
error (0, 0, "%s exceeds %s by " OFF_T_SPEC " bytes", filename [0], filename [1], extent [0] - extent [1]);
}
if (extent [1] > extent [0])
{
error (0, 0, "%s exceeds %s by " OFF_T_SPEC " bytes", filename [1], filename [0], extent [1] - extent [0]);
}
}
close (fd [0]);
close (fd [1]);
return;
}
/*====================================================================*
*
* int main (int argc, char const * argv []);
*
*
*
*--------------------------------------------------------------------*/
int main (int argc, char const * argv [])
{
static char const * optv [] =
{
"f:qv",
"file1 file2",
"Qualcomm Atheros Parameter Information Block Compare Utility",
"f f\tobject definition file",
"q\tquiet mode",
"v\tverbose mode",
(char const *)(0)
};
flag_t flags = (flag_t)(0);
signed c;
optind = 1;
while ((c = getoptv (argc, argv, optv)) != -1)
{
switch (c)
{
case 'f':
if (!freopen (optarg, "rb", stdin))
{
error (1, errno, "%s", optarg);
}
break;
case 'q':
_setbits (flags, PIB_SILENCE);
break;
case 'v':
_setbits (flags, PIB_VERBOSE);
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (argc != 2)
{
error (1, 0, "Need two files to compare.");
}
function (argv, flags);
return (0);
}