| /* |
| * sha1sum demonstration program |
| * |
| * Copyright (C) 2006-2010, Brainspark B.V. |
| * |
| * This file is part of PolarSSL (http://www.polarssl.org) |
| * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> |
| * |
| * All rights reserved. |
| * |
| * 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 _CRT_SECURE_NO_DEPRECATE |
| #define _CRT_SECURE_NO_DEPRECATE 1 |
| #endif |
| |
| #include <string.h> |
| #include <stdio.h> |
| |
| #include "polarssl/sha1.h" |
| |
| static int sha1_wrapper( char *filename, unsigned char *sum ) |
| { |
| int ret = sha1_file( filename, sum ); |
| |
| if( ret == 1 ) |
| fprintf( stderr, "failed to open: %s\n", filename ); |
| |
| if( ret == 2 ) |
| fprintf( stderr, "failed to read: %s\n", filename ); |
| |
| return( ret ); |
| } |
| |
| static int sha1_print( char *filename ) |
| { |
| int i; |
| unsigned char sum[20]; |
| |
| if( sha1_wrapper( filename, sum ) != 0 ) |
| return( 1 ); |
| |
| for( i = 0; i < 20; i++ ) |
| printf( "%02x", sum[i] ); |
| |
| printf( " %s\n", filename ); |
| return( 0 ); |
| } |
| |
| static int sha1_check( char *filename ) |
| { |
| int i; |
| size_t n; |
| FILE *f; |
| int nb_err1, nb_err2; |
| int nb_tot1, nb_tot2; |
| unsigned char sum[20]; |
| char buf[41], line[1024]; |
| |
| if( ( f = fopen( filename, "rb" ) ) == NULL ) |
| { |
| printf( "failed to open: %s\n", filename ); |
| return( 1 ); |
| } |
| |
| nb_err1 = nb_err2 = 0; |
| nb_tot1 = nb_tot2 = 0; |
| |
| memset( line, 0, sizeof( line ) ); |
| |
| n = sizeof( line ); |
| |
| while( fgets( line, (int) n - 1, f ) != NULL ) |
| { |
| n = strlen( line ); |
| |
| if( n < 44 ) |
| continue; |
| |
| if( line[40] != ' ' || line[41] != ' ' ) |
| continue; |
| |
| if( line[n - 1] == '\n' ) { n--; line[n] = '\0'; } |
| if( line[n - 1] == '\r' ) { n--; line[n] = '\0'; } |
| |
| nb_tot1++; |
| |
| if( sha1_wrapper( line + 42, sum ) != 0 ) |
| { |
| nb_err1++; |
| continue; |
| } |
| |
| nb_tot2++; |
| |
| for( i = 0; i < 20; i++ ) |
| sprintf( buf + i * 2, "%02x", sum[i] ); |
| |
| if( memcmp( line, buf, 40 ) != 0 ) |
| { |
| nb_err2++; |
| fprintf( stderr, "wrong checksum: %s\n", line + 42 ); |
| } |
| |
| n = sizeof( line ); |
| } |
| |
| if( nb_err1 != 0 ) |
| { |
| printf( "WARNING: %d (out of %d) input files could " |
| "not be read\n", nb_err1, nb_tot1 ); |
| } |
| |
| if( nb_err2 != 0 ) |
| { |
| printf( "WARNING: %d (out of %d) computed checksums did " |
| "not match\n", nb_err2, nb_tot2 ); |
| } |
| |
| return( nb_err1 != 0 || nb_err2 != 0 ); |
| } |
| |
| int main( int argc, char *argv[] ) |
| { |
| int ret, i; |
| |
| if( argc == 1 ) |
| { |
| printf( "print mode: sha1sum <file> <file> ...\n" ); |
| printf( "check mode: sha1sum -c <checksum file>\n" ); |
| |
| #ifdef WIN32 |
| printf( "\n Press Enter to exit this program.\n" ); |
| fflush( stdout ); getchar(); |
| #endif |
| |
| return( 1 ); |
| } |
| |
| if( argc == 3 && strcmp( "-c", argv[1] ) == 0 ) |
| return( sha1_check( argv[2] ) ); |
| |
| ret = 0; |
| for( i = 1; i < argc; i++ ) |
| ret |= sha1_print( argv[i] ); |
| |
| return( ret ); |
| } |