int main( int argc, char * const argv[] ) #endif { libcerror_error_t *error = NULL; libewf_handle_t *handle = NULL; off64_t read_offset = 0; size64_t media_size = 0; size64_t read_size = 0; size32_t chunk_size = 0; if( argc < 2 ) { fprintf( stderr, "Missing filename(s).\n" ); return( EXIT_FAILURE ); } #if defined( HAVE_DEBUG_OUTPUT ) && defined( EWF_TEST_READ_VERBOSE ) libewf_notify_set_verbose( 1 ); libewf_notify_set_stream( stderr, NULL ); #endif /* Initialization */ if( libewf_handle_initialize( &handle, &error ) != 1 ) { fprintf( stderr, "Unable to create handle.\n" ); goto on_error; } #if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER ) if( libewf_handle_open_wide( handle, &( argv[ 1 ] ), argc - 1, LIBEWF_OPEN_READ, &error ) != 1 ) #else if( libewf_handle_open( handle, &( argv[ 1 ] ), argc - 1, LIBEWF_OPEN_READ, &error ) != 1 ) #endif { fprintf( stderr, "Unable to open file(s).\n" ); goto on_error; } if( libewf_handle_get_media_size( handle, &media_size, &error ) != 1 ) { fprintf( stderr, "Unable to retrieve media size.\n" ); goto on_error; } if( media_size > (size64_t) INT64_MAX ) { fprintf( stderr, "Media size exceeds maximum.\n" ); goto on_error; } if( libewf_handle_get_chunk_size( handle, &chunk_size, &error ) != 1 ) { fprintf( stderr, "Unable to retrieve chunk size.\n" ); goto on_error; } if( chunk_size == 0 ) { fprintf( stderr, "Invalid chunk size.\n" ); goto on_error; } fprintf( stdout, "Media size: %" PRIu64 " bytes\n", media_size ); /* Case 0: test full read */ /* Test: offset: 0 size: <media_size> * Expected result: offset: 0 size: <media_size> */ read_offset = 0; read_size = media_size; if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } /* Case 1: test random read */ /* Test: offset: <media_size / 7> size: <media_size / 2> * Expected result: offset: <media_size / 7> size: <media_size / 2> */ read_offset = (off64_t) ( media_size / 7 ); read_size = media_size / 2; if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } /* Case 2: test read buffer beyond media size */ if( media_size < 1024 ) { /* Test: offset: <media_size - 1024> size: 4096 * Expected result: offset: -1 size: <undetermined> */ read_offset = (off64_t) ( media_size - 1024 ); read_size = 4096; if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } } else { /* Test: offset: <media_size - 1024> size: 4096 * Expected result: offset: <media_size - 1024> size: 1024 */ read_offset = (off64_t) ( media_size - 1024 ); read_size = 4096; if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, 1024 ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } if( ewf_test_read_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, 1024 ) != 1 ) { fprintf( stderr, "Unable to test read buffer.\n" ); goto on_error; } } fprintf( stdout, "\nChunk size: %" PRIu32 " bytes\n", chunk_size ); /* Case 0: test full read */ /* Test: offset: 0 size: <media_size> * Expected result: offset: 0 size: <media_size> */ read_offset = 0; read_size = media_size; if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } /* Case 1: test random read */ /* Test: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size> * Expected result: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size> */ read_offset = (off64_t) ( ( media_size / 7 ) / chunk_size ) * chunk_size; read_size = ( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size; if( media_size == 0 ) { if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, 0 ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, 0 ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } } else { if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } } /* Case 2: test read chunk beyond media size */ if( media_size < 1024 ) { /* Test: offset: <media_size - 1024> size: chunk_size * Expected result: offset: -1 size: <undetermined> */ read_offset = (off64_t) ( media_size - 1024 ); read_size = chunk_size; if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } } else { /* Test: offset: <media_size - 1024> size: chunk_size * Expected result: offset: <media_size - 1024> size: chunk size or media_size % chunk_size */ read_offset = (off64_t) ( media_size - 1024 ); read_size = chunk_size; if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, (off64_t) ( media_size - 1024 ), ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } if( ewf_test_read_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, (off64_t) ( media_size - 1024 ), ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 ) { fprintf( stderr, "Unable to test read chunk.\n" ); goto on_error; } } /* Clean up */ if( libewf_handle_close( handle, &error ) != 0 ) { fprintf( stderr, "Unable to close file(s).\n" ); goto on_error; } if( libewf_handle_free( &handle, &error ) != 1 ) { fprintf( stderr, "Unable to free handle.\n" ); goto on_error; } return( EXIT_SUCCESS ); on_error: if( error != NULL ) { libewf_error_backtrace_fprint( error, stderr ); libewf_error_free( &error ); } if( handle != NULL ) { libewf_handle_close( handle, NULL ); libewf_handle_free( &handle, NULL ); } return( EXIT_FAILURE ); }
int main( int argc, char * const argv[] ) #endif { libcstring_system_character_t *target_filename = NULL; liberror_error_t *error = NULL; libewf_handle_t *handle = NULL; libcstring_system_integer_t option = 0; off64_t read_offset = 0; size64_t media_size = 0; size64_t read_size = 0; size32_t chunk_size = 0; size_t delta_segment_filename_length = 0; while( ( option = libsystem_getopt( argc, argv, _LIBCSTRING_SYSTEM_STRING( "t:" ) ) ) != (libcstring_system_integer_t) -1 ) { switch( option ) { case (libcstring_system_integer_t) '?': default: fprintf( stderr, "Invalid argument: %" PRIs_LIBCSTRING_SYSTEM ".\n", argv[ optind - 1 ] ); return( EXIT_FAILURE ); case (libcstring_system_integer_t) 't': target_filename = optarg; break; } } if( optind == argc ) { fprintf( stderr, "Missing EWF image filename(s).\n" ); return( EXIT_FAILURE ); } /* Initialization */ if( libewf_handle_initialize( &handle, &error ) != 1 ) { fprintf( stderr, "Unable to create handle.\n" ); goto on_error; } /* #if defined( HAVE_DEBUG_OUTPUT ) libewf_notify_set_verbose( 1 ); libewf_notify_set_stream( stderr, NULL ); #endif */ #if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER ) if( libewf_handle_open_wide( handle, &( argv[ optind ] ), argc - optind, LIBEWF_OPEN_READ_WRITE, &error ) != 1 ) #else if( libewf_handle_open( handle, &( argv[ optind ] ), argc - optind, LIBEWF_OPEN_READ_WRITE, &error ) != 1 ) #endif { fprintf( stderr, "Unable to open file(s).\n" ); goto on_error; } if( target_filename != NULL ) { delta_segment_filename_length = libcstring_system_string_length( target_filename ); #if defined( LIBCSTRING_HAVE_WIDE_SYSTEM_CHARACTER ) if( libewf_handle_set_delta_segment_filename_wide( handle, target_filename, delta_segment_filename_length, &error ) != 1 ) #else if( libewf_handle_set_delta_segment_filename( handle, target_filename, delta_segment_filename_length, &error ) != 1 ) #endif { fprintf( stderr, "Unable to set delta segment filename.\n" ); goto on_error; } } if( libewf_handle_get_media_size( handle, &media_size, &error ) != 1 ) { fprintf( stderr, "Unable to retrieve media size.\n" ); goto on_error; } if( media_size > (size64_t) INT64_MAX ) { fprintf( stderr, "Media size exceeds maximum.\n" ); goto on_error; } if( libewf_handle_get_chunk_size( handle, &chunk_size, &error ) != 1 ) { fprintf( stderr, "Unable to retrieve chunk size.\n" ); goto on_error; } if( chunk_size == 0 ) { fprintf( stderr, "Invalid chunk size.\n" ); goto on_error; } fprintf( stdout, "Media size: %" PRIu64 " bytes\n", media_size ); /* Case 0: test full read */ /* Test: offset: 0 size: <media_size> * Expected result: offset: 0 size: <media_size> */ read_offset = 0; read_size = media_size; if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } /* Case 1: test random read */ /* Test: offset: <media_size / 7> size: <media_size / 2> * Expected result: offset: <media_size / 7> size: <media_size / 2> */ read_offset = (off64_t) ( media_size / 7 ); read_size = media_size / 2; if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } /* Case 2: test read buffer beyond media size */ if( media_size < 1024 ) { /* Test: offset: <media_size - 1024> size: 4096 * Expected result: offset: -1 size: <undetermined> */ read_offset = (off64_t) ( media_size - 1024 ); read_size = 4096; if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } } else { /* Test: offset: <media_size - 1024> size: 4096 * Expected result: offset: <media_size - 1024> size: 1024 */ read_offset = (off64_t) ( media_size - 1024 ); read_size = 4096; if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, 1024 ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } if( ewf_test_read_write_buffer_at_offset( handle, read_offset, SEEK_SET, read_size, read_offset, 1024 ) != 1 ) { fprintf( stderr, "Unable to test read/write buffer.\n" ); goto on_error; } } fprintf( stdout, "\nChunk size: %" PRIu32 " bytes\n", chunk_size ); /* Case 0: test full read */ /* Test: offset: 0 size: <media_size> * Expected result: offset: 0 size: <media_size> */ read_offset = 0; read_size = media_size; if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } /* Case 1: test random read */ /* Test: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size> * Expected result: offset: <( ( media_size / 7 ) / chunk_size ) * chunk_size> size: <( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size> */ read_offset = (off64_t) ( ( media_size / 7 ) / chunk_size ) * chunk_size; read_size = ( ( ( media_size / 2 ) / chunk_size ) + 1 ) * chunk_size; if( media_size == 0 ) { if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, 0 ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, 0 ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } } else { if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, read_offset, read_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } } /* Case 2: test read chunk beyond media size */ if( media_size < 1024 ) { /* Test: offset: <media_size - 1024> size: chunk_size * Expected result: offset: -1 size: <undetermined> */ read_offset = (off64_t) ( media_size - 1024 ); read_size = chunk_size; if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, -1, (size64_t) -1 ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } } else { /* Test: offset: <media_size - 1024> size: chunk_size * Expected result: offset: <media_size - 1024> size: chunk size or media_size % chunk_size */ read_offset = (off64_t) ( media_size - 1024 ); read_size = chunk_size; if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, (off64_t) ( media_size - 1024 ), ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } if( ewf_test_read_write_chunk_at_offset( handle, chunk_size, read_offset, SEEK_SET, read_size, (off64_t) ( media_size - 1024 ), ( ( media_size % chunk_size ) == 0 ) ? chunk_size : media_size % chunk_size ) != 1 ) { fprintf( stderr, "Unable to test read/write chunk.\n" ); goto on_error; } } /* Clean up */ if( libewf_handle_close( handle, &error ) != 0 ) { fprintf( stderr, "Unable to close file(s).\n" ); goto on_error; } if( libewf_handle_free( &handle, &error ) != 1 ) { fprintf( stderr, "Unable to free handle.\n" ); goto on_error; } return( EXIT_SUCCESS ); on_error: if( error != NULL ) { libewf_error_backtrace_fprint( error, stderr ); libewf_error_free( &error ); } if( handle != NULL ) { libewf_handle_close( handle, NULL ); libewf_handle_free( &handle, NULL ); } return( EXIT_FAILURE ); }