diff options
Diffstat (limited to 'apps/plugins')
| -rw-r--r-- | apps/plugins/CATEGORIES | 1 | ||||
| -rw-r--r-- | apps/plugins/SOURCES | 2 | ||||
| -rw-r--r-- | apps/plugins/lib/SOURCES | 1 | ||||
| -rw-r--r-- | apps/plugins/lib/md5.c | 255 | ||||
| -rw-r--r-- | apps/plugins/lib/md5.h | 56 | ||||
| -rw-r--r-- | apps/plugins/md5sum.c | 206 | ||||
| -rw-r--r-- | apps/plugins/viewers.config | 1 |
7 files changed, 522 insertions, 0 deletions
diff --git a/apps/plugins/CATEGORIES b/apps/plugins/CATEGORIES index 6992ca3..337704d 100644 --- a/apps/plugins/CATEGORIES +++ b/apps/plugins/CATEGORIES @@ -99,3 +99,4 @@ wormlet,games xobox,games zxbox,viewers lamp,apps +md5sum,apps diff --git a/apps/plugins/SOURCES b/apps/plugins/SOURCES index 86d7055..0be7ccf 100644 --- a/apps/plugins/SOURCES +++ b/apps/plugins/SOURCES @@ -150,3 +150,5 @@ invadrox.c superdom.c #endif #endif /* m:robe 500 */ + +md5sum.c diff --git a/apps/plugins/lib/SOURCES b/apps/plugins/lib/SOURCES index c5c3a25..775db05 100644 --- a/apps/plugins/lib/SOURCES +++ b/apps/plugins/lib/SOURCES @@ -42,3 +42,4 @@ helper.c #ifdef HAVE_TOUCHPAD touchscreen.c #endif +md5.c diff --git a/apps/plugins/lib/md5.c b/apps/plugins/lib/md5.c new file mode 100644 index 0000000..9715663 --- /dev/null +++ b/apps/plugins/lib/md5.c @@ -0,0 +1,255 @@ +/***************************************************************************** + * md5.c: not so strong MD5 hashing + ***************************************************************************** + * Copyright (C) 2004-2005 the VideoLAN team + * $Id: cb57f7b6522df0960a924193cfca438c03a92521 $ + * + * Authors: Jon Lech Johansen <jon-vl@nanocrew.net> + * Sam Hocevar <sam@zoy.org> + * + * Adapted to Rockbox by: Antoine Cellerier <dionoea at videolan dot org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +#include "plugin.h" +#include "md5.h" + +static const struct plugin_api *rb; + +void md5_init( const struct plugin_api *api ) +{ + rb = api; +} + +#ifdef WORDS_BIGENDIAN +/***************************************************************************** + * Reverse: reverse byte order + *****************************************************************************/ +static inline void Reverse( uint32_t *p_buffer, int n ) +{ + int i; + + for( i = 0; i < n; i++ ) + { + p_buffer[ i ] = GetDWLE(&p_buffer[ i ]); + } +} +# define REVERSE( p, n ) Reverse( p, n ) +#else +# define REVERSE( p, n ) +#endif + +#define F1( x, y, z ) ((z) ^ ((x) & ((y) ^ (z)))) +#define F2( x, y, z ) F1((z), (x), (y)) +#define F3( x, y, z ) ((x) ^ (y) ^ (z)) +#define F4( x, y, z ) ((y) ^ ((x) | ~(z))) + +#define MD5_DO( f, w, x, y, z, data, s ) \ + ( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x ) + +/***************************************************************************** + * DigestMD5: update the MD5 digest with 64 bytes of data + *****************************************************************************/ +static void DigestMD5( struct md5_s *p_md5, uint32_t *p_input ) +{ + uint32_t a, b, c, d; + + REVERSE( p_input, 16 ); + + a = p_md5->p_digest[ 0 ]; + b = p_md5->p_digest[ 1 ]; + c = p_md5->p_digest[ 2 ]; + d = p_md5->p_digest[ 3 ]; + + MD5_DO( F1, a, b, c, d, p_input[ 0 ] + 0xd76aa478, 7 ); + MD5_DO( F1, d, a, b, c, p_input[ 1 ] + 0xe8c7b756, 12 ); + MD5_DO( F1, c, d, a, b, p_input[ 2 ] + 0x242070db, 17 ); + MD5_DO( F1, b, c, d, a, p_input[ 3 ] + 0xc1bdceee, 22 ); + MD5_DO( F1, a, b, c, d, p_input[ 4 ] + 0xf57c0faf, 7 ); + MD5_DO( F1, d, a, b, c, p_input[ 5 ] + 0x4787c62a, 12 ); + MD5_DO( F1, c, d, a, b, p_input[ 6 ] + 0xa8304613, 17 ); + MD5_DO( F1, b, c, d, a, p_input[ 7 ] + 0xfd469501, 22 ); + MD5_DO( F1, a, b, c, d, p_input[ 8 ] + 0x698098d8, 7 ); + MD5_DO( F1, d, a, b, c, p_input[ 9 ] + 0x8b44f7af, 12 ); + MD5_DO( F1, c, d, a, b, p_input[ 10 ] + 0xffff5bb1, 17 ); + MD5_DO( F1, b, c, d, a, p_input[ 11 ] + 0x895cd7be, 22 ); + MD5_DO( F1, a, b, c, d, p_input[ 12 ] + 0x6b901122, 7 ); + MD5_DO( F1, d, a, b, c, p_input[ 13 ] + 0xfd987193, 12 ); + MD5_DO( F1, c, d, a, b, p_input[ 14 ] + 0xa679438e, 17 ); + MD5_DO( F1, b, c, d, a, p_input[ 15 ] + 0x49b40821, 22 ); + + MD5_DO( F2, a, b, c, d, p_input[ 1 ] + 0xf61e2562, 5 ); + MD5_DO( F2, d, a, b, c, p_input[ 6 ] + 0xc040b340, 9 ); + MD5_DO( F2, c, d, a, b, p_input[ 11 ] + 0x265e5a51, 14 ); + MD5_DO( F2, b, c, d, a, p_input[ 0 ] + 0xe9b6c7aa, 20 ); + MD5_DO( F2, a, b, c, d, p_input[ 5 ] + 0xd62f105d, 5 ); + MD5_DO( F2, d, a, b, c, p_input[ 10 ] + 0x02441453, 9 ); + MD5_DO( F2, c, d, a, b, p_input[ 15 ] + 0xd8a1e681, 14 ); + MD5_DO( F2, b, c, d, a, p_input[ 4 ] + 0xe7d3fbc8, 20 ); + MD5_DO( F2, a, b, c, d, p_input[ 9 ] + 0x21e1cde6, 5 ); + MD5_DO( F2, d, a, b, c, p_input[ 14 ] + 0xc33707d6, 9 ); + MD5_DO( F2, c, d, a, b, p_input[ 3 ] + 0xf4d50d87, 14 ); + MD5_DO( F2, b, c, d, a, p_input[ 8 ] + 0x455a14ed, 20 ); + MD5_DO( F2, a, b, c, d, p_input[ 13 ] + 0xa9e3e905, 5 ); + MD5_DO( F2, d, a, b, c, p_input[ 2 ] + 0xfcefa3f8, 9 ); + MD5_DO( F2, c, d, a, b, p_input[ 7 ] + 0x676f02d9, 14 ); + MD5_DO( F2, b, c, d, a, p_input[ 12 ] + 0x8d2a4c8a, 20 ); + + MD5_DO( F3, a, b, c, d, p_input[ 5 ] + 0xfffa3942, 4 ); + MD5_DO( F3, d, a, b, c, p_input[ 8 ] + 0x8771f681, 11 ); + MD5_DO( F3, c, d, a, b, p_input[ 11 ] + 0x6d9d6122, 16 ); + MD5_DO( F3, b, c, d, a, p_input[ 14 ] + 0xfde5380c, 23 ); + MD5_DO( F3, a, b, c, d, p_input[ 1 ] + 0xa4beea44, 4 ); + MD5_DO( F3, d, a, b, c, p_input[ 4 ] + 0x4bdecfa9, 11 ); + MD5_DO( F3, c, d, a, b, p_input[ 7 ] + 0xf6bb4b60, 16 ); + MD5_DO( F3, b, c, d, a, p_input[ 10 ] + 0xbebfbc70, 23 ); + MD5_DO( F3, a, b, c, d, p_input[ 13 ] + 0x289b7ec6, 4 ); + MD5_DO( F3, d, a, b, c, p_input[ 0 ] + 0xeaa127fa, 11 ); + MD5_DO( F3, c, d, a, b, p_input[ 3 ] + 0xd4ef3085, 16 ); + MD5_DO( F3, b, c, d, a, p_input[ 6 ] + 0x04881d05, 23 ); + MD5_DO( F3, a, b, c, d, p_input[ 9 ] + 0xd9d4d039, 4 ); + MD5_DO( F3, d, a, b, c, p_input[ 12 ] + 0xe6db99e5, 11 ); + MD5_DO( F3, c, d, a, b, p_input[ 15 ] + 0x1fa27cf8, 16 ); + MD5_DO( F3, b, c, d, a, p_input[ 2 ] + 0xc4ac5665, 23 ); + + MD5_DO( F4, a, b, c, d, p_input[ 0 ] + 0xf4292244, 6 ); + MD5_DO( F4, d, a, b, c, p_input[ 7 ] + 0x432aff97, 10 ); + MD5_DO( F4, c, d, a, b, p_input[ 14 ] + 0xab9423a7, 15 ); + MD5_DO( F4, b, c, d, a, p_input[ 5 ] + 0xfc93a039, 21 ); + MD5_DO( F4, a, b, c, d, p_input[ 12 ] + 0x655b59c3, 6 ); + MD5_DO( F4, d, a, b, c, p_input[ 3 ] + 0x8f0ccc92, 10 ); + MD5_DO( F4, c, d, a, b, p_input[ 10 ] + 0xffeff47d, 15 ); + MD5_DO( F4, b, c, d, a, p_input[ 1 ] + 0x85845dd1, 21 ); + MD5_DO( F4, a, b, c, d, p_input[ 8 ] + 0x6fa87e4f, 6 ); + MD5_DO( F4, d, a, b, c, p_input[ 15 ] + 0xfe2ce6e0, 10 ); + MD5_DO( F4, c, d, a, b, p_input[ 6 ] + 0xa3014314, 15 ); + MD5_DO( F4, b, c, d, a, p_input[ 13 ] + 0x4e0811a1, 21 ); + MD5_DO( F4, a, b, c, d, p_input[ 4 ] + 0xf7537e82, 6 ); + MD5_DO( F4, d, a, b, c, p_input[ 11 ] + 0xbd3af235, 10 ); + MD5_DO( F4, c, d, a, b, p_input[ 2 ] + 0x2ad7d2bb, 15 ); + MD5_DO( F4, b, c, d, a, p_input[ 9 ] + 0xeb86d391, 21 ); + + p_md5->p_digest[ 0 ] += a; + p_md5->p_digest[ 1 ] += b; + p_md5->p_digest[ 2 ] += c; + p_md5->p_digest[ 3 ] += d; +} + +/***************************************************************************** + * InitMD5: initialise an MD5 message + ***************************************************************************** + * The MD5 message-digest algorithm is described in RFC 1321 + *****************************************************************************/ +void InitMD5( struct md5_s *p_md5 ) +{ + p_md5->p_digest[ 0 ] = 0x67452301; + p_md5->p_digest[ 1 ] = 0xefcdab89; + p_md5->p_digest[ 2 ] = 0x98badcfe; + p_md5->p_digest[ 3 ] = 0x10325476; + + rb->memset( p_md5->p_data, 0, 64 ); + p_md5->i_bits = 0; +} + +/***************************************************************************** + * AddMD5: add i_len bytes to an MD5 message + *****************************************************************************/ +void AddMD5( struct md5_s *p_md5, const void *p_src, size_t i_len ) +{ + unsigned int i_current; /* Current bytes in the spare buffer */ + size_t i_offset = 0; + + i_current = (p_md5->i_bits / 8) & 63; + + p_md5->i_bits += 8 * i_len; + + /* If we can complete our spare buffer to 64 bytes, do it and add the + * resulting buffer to the MD5 message */ + if( i_len >= (64 - i_current) ) + { + rb->memcpy( ((uint8_t *)p_md5->p_data) + i_current, p_src, + (64 - i_current) ); + DigestMD5( p_md5, p_md5->p_data ); + + i_offset += (64 - i_current); + i_len -= (64 - i_current); + i_current = 0; + } + + /* Add as many entire 64 bytes blocks as we can to the MD5 message */ + while( i_len >= 64 ) + { + uint32_t p_tmp[ 16 ]; + rb->memcpy( p_tmp, ((const uint8_t *)p_src) + i_offset, 64 ); + DigestMD5( p_md5, p_tmp ); + i_offset += 64; + i_len -= 64; + } + + /* Copy our remaining data to the message's spare buffer */ + rb->memcpy( ((uint8_t *)p_md5->p_data) + i_current, + ((const uint8_t *)p_src) + i_offset, i_len ); +} + +/***************************************************************************** + * EndMD5: finish an MD5 message + ***************************************************************************** + * This function adds adequate padding to the end of the message, and appends + * the bit count so that we end at a block boundary. + *****************************************************************************/ +void EndMD5( struct md5_s *p_md5 ) +{ + unsigned int i_current; + + i_current = (p_md5->i_bits / 8) & 63; + + /* Append 0x80 to our buffer. No boundary check because the temporary + * buffer cannot be full, otherwise AddMD5 would have emptied it. */ + ((uint8_t *)p_md5->p_data)[ i_current++ ] = 0x80; + + /* If less than 8 bytes are available at the end of the block, complete + * this 64 bytes block with zeros and add it to the message. We'll add + * our length at the end of the next block. */ + if( i_current > 56 ) + { + rb->memset( ((uint8_t *)p_md5->p_data) + i_current, 0, (64 - i_current) ); + DigestMD5( p_md5, p_md5->p_data ); + i_current = 0; + } + + /* Fill the unused space in our last block with zeroes and put the + * message length at the end. */ + rb->memset( ((uint8_t *)p_md5->p_data) + i_current, 0, (56 - i_current) ); + p_md5->p_data[ 14 ] = p_md5->i_bits & 0xffffffff; + p_md5->p_data[ 15 ] = (p_md5->i_bits >> 32); + REVERSE( &p_md5->p_data[ 14 ], 2 ); + + DigestMD5( p_md5, p_md5->p_data ); +} + +void psz_md5_hash( char *psz, struct md5_s *md5_s ) +{ + int i; + for ( i = 0; i < 4; i++ ) + { + rb->snprintf( &psz[8*i], 9, "%02x%02x%02x%02x", + md5_s->p_digest[i] & 0xff, + ( md5_s->p_digest[i] >> 8 ) & 0xff, + ( md5_s->p_digest[i] >> 16 ) & 0xff, + md5_s->p_digest[i] >> 24 + ); + } +} diff --git a/apps/plugins/lib/md5.h b/apps/plugins/lib/md5.h new file mode 100644 index 0000000..e19c749 --- /dev/null +++ b/apps/plugins/lib/md5.h @@ -0,0 +1,56 @@ +/***************************************************************************** + * vlc_md5.h: MD5 hash + ***************************************************************************** + * Copyright (C) 2004-2005 the VideoLAN team + * $Id: 46f10f01439edbcc8bad45673cc302039b76dd5b $ + * + * Authors: Jon Lech Johansen <jon-vl@nanocrew.net> + * Sam Hocevar <sam@zoy.org> + * + * Adapted to Rockbox by: Antoine Cellerier <dionoea at videolan dot org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +#ifndef _VLC_MD5_H +# define _VLC_MD5_H + +void md5_init( const struct plugin_api * ); + +/***************************************************************************** + * md5_s: MD5 message structure + ***************************************************************************** + * This structure stores the static information needed to compute an MD5 + * hash. It has an extra data buffer to allow non-aligned writes. + *****************************************************************************/ +struct md5_s +{ + uint64_t i_bits; /* Total written bits */ + uint32_t p_digest[4]; /* The MD5 digest */ + uint32_t p_data[16]; /* Buffer to cache non-aligned writes */ +}; + +void InitMD5( struct md5_s * ); +void AddMD5( struct md5_s *, const void *, size_t ); +void EndMD5( struct md5_s * ); + +/** + * Returns a char representation of the md5 hash, as shown by UNIX md5 or + * md5sum tools. + */ +#define MD5_STRING_LENGTH 32 +void psz_md5_hash( char *, struct md5_s * ); + +#endif diff --git a/apps/plugins/md5sum.c b/apps/plugins/md5sum.c new file mode 100644 index 0000000..6845c4c --- /dev/null +++ b/apps/plugins/md5sum.c @@ -0,0 +1,206 @@ +/*************************************************************************** + * __________ __ ___. + * 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; + +int hash( char *string, const char *path ) +{ + char *buffer[512]; + ssize_t len; + struct md5_s md5; + int in = rb->open( path, O_RDONLY ); + 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, " ", 1 ); + 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]; + 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->memcmp( 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; + + 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 ) 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 ); + return PLUGIN_OK; +} diff --git a/apps/plugins/viewers.config b/apps/plugins/viewers.config index bfb408c..c1df1b2 100644 --- a/apps/plugins/viewers.config +++ b/apps/plugins/viewers.config @@ -41,3 +41,4 @@ colours,apps/text_editor,11 ssg,games/superdom,- link,viewers/shortcuts_view,- *,viewers/shortcuts_append,- +*,apps/md5sum,- |