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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: $
*
* Copyright (C) 2008 Antoine Cellerier <dionoea -at- videolan -dot- org>
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "lib/md5.h"
PLUGIN_HEADER
static const struct plugin_api *rb;
MEM_FUNCTION_WRAPPERS(rb);
int hash( char *string, const char *path )
{
char *buffer[512];
ssize_t len;
struct md5_s md5;
int in = rb->open( path, O_RDONLY );
rb->splash( 0, path );
if( in < 0 ) return -1;
InitMD5( &md5 );
while( ( len = rb->read( in, buffer, 512 ) ) > 0 )
AddMD5( &md5, buffer, len );
EndMD5( &md5 );
psz_md5_hash( string, &md5 );
rb->close( in );
return 0;
}
void hash_file( int out, const char *path )
{
char string[MD5_STRING_LENGTH+1];
if( hash( string, path ) )
rb->write( out, "error", 5 );
else
rb->write( out, string, MD5_STRING_LENGTH );
rb->write( out, " ", 2 );
rb->write( out, path, rb->strlen( path ) );
rb->write( out, "\n", 1 );
}
void hash_dir( int out, const char *path );
void hash_dir( int out, const char *path )
{
DIR *dir;
struct dirent *entry;
dir = rb->opendir( path );
if( dir )
{
while( ( entry = rb->readdir( dir ) ) )
{
char childpath[MAX_PATH];
rb->snprintf( childpath, MAX_PATH, "%s/%s",
path, entry->d_name );
if( entry->attribute & ATTR_DIRECTORY )
{
if( rb->strcmp( entry->d_name, "." )
&& rb->strcmp( entry->d_name, ".." ) )
{
/* Got a sub directory */
hash_dir( out, childpath );
}
}
else
{
/* Got a file */
hash_file( out, childpath );
}
}
rb->closedir( dir );
}
}
void hash_list( int out, const char *path )
{
int list = rb->open( path, O_RDONLY );
char newpath[MAX_PATH];
if( list < 0 ) return;
while( rb->read_line( list, newpath, MAX_PATH ) > 0 )
{
DIR *dir = rb->opendir( newpath );
if( dir )
{
rb->closedir( dir );
hash_dir( out, newpath );
}
else
{
hash_file( out, newpath );
}
}
rb->close( list );
}
void hash_check( int out, const char *path )
{
int list = rb->open( path, O_RDONLY );
char line[MD5_STRING_LENGTH+1+MAX_PATH+1];
int len;
if( list < 0 ) return;
while( ( len = rb->read_line( list, line, MD5_STRING_LENGTH+1+MAX_PATH+1 ) ) > 0 )
{
const char *filename = rb->strchr( line, ' ' );
if( !filename || len < MD5_STRING_LENGTH + 2 )
{
const char error[] = "Malformed input line ... skipping";
rb->write( out, error, rb->strlen( error ) );
}
else
{
char string[MD5_STRING_LENGTH+1];
while( *filename == ' ' )
filename++;
rb->write( out, filename, rb->strlen( filename ) );
rb->write( out, ": ", 2 );
if( hash( string, filename ) )
rb->write( out, "FAILED open or read", 19 );
else if( rb->strncasecmp( line, string, MD5_STRING_LENGTH ) )
rb->write( out, "FAILED", 6 );
else
rb->write( out, "OK", 2 );
}
rb->write( out, "\n", 1 );
}
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
const char *arg = (const char *)parameter; /* input file name, if any */
int out = -1; /* output file descriptor */
char filename[MAX_PATH]; /* output file name */
md5_init( api );
rb = api;
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost( true );
#endif
if( arg && *arg )
{
const char *ext = rb->strrchr( arg, '.' );
DIR *dir;
rb->snprintf( filename, MAX_PATH, "%s.md5sum", arg );
out = rb->open( filename, O_WRONLY|O_CREAT );
if( out < 0 )
{
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost( false );
#endif
return PLUGIN_ERROR;
}
if( ext )
{
if( !rb->strcmp( ext, ".md5" ) || !rb->strcmp( ext, ".md5sum" ) )
{
/* Lets check the sums */
hash_check( out, arg );
goto exit;
}
else if( !rb->strcmp( ext, ".md5list" ) ) /* ugly */
{
/* Hash listed files */
hash_list( out, arg );
goto exit;
}
}
dir = rb->opendir( arg );
if( dir )
{
api->closedir( dir );
/* Hash the directory's content recursively */
hash_dir( out, arg );
}
else
{
/* Hash the file */
hash_file( out, arg );
}
}
else
{
rb->snprintf( filename, MAX_PATH, "/everything.md5sum" );
out = rb->open( filename, O_WRONLY|O_CREAT );
if( out < 0 ) return PLUGIN_ERROR;
/* Hash the whole filesystem */
hash_dir( out, "/" );
}
exit:
rb->close( out );
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost( false );
#endif
return PLUGIN_OK;
}
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