| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /* |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <stdint.h> |
| #include <nffs/nffs.h> |
| #include <nffs/os.h> |
| #include <fs.h> |
| #include "nffs_test_utils.h" |
| #include <ztest.h> |
| #include <ztest_assert.h> |
| |
| static u8_t data1[] = {0x43}; |
| |
| void test_corrupt_block(void) |
| { |
| fs_file_t fs_file; |
| struct nffs_file *file; |
| struct nffs_block block; |
| u32_t flash_offset; |
| u32_t area_offset; |
| u8_t area_idx; |
| u8_t off; /* offset to corrupt */ |
| int rc; |
| struct nffs_disk_block ndb; |
| |
| /* Setup. */ |
| rc = nffs_format_full(nffs_current_area_descs); |
| zassert_equal(rc, 0, NULL); |
| |
| rc = fs_mkdir("/mydir"); |
| zassert_equal(rc, 0, "cannot create directory"); |
| |
| nffs_test_util_create_file("/mydir/a", "aaaa", 4); |
| nffs_test_util_create_file("/mydir/b", "bbbb", 4); |
| nffs_test_util_create_file("/mydir/c", "cccc", 4); |
| |
| /* Add a second block to the 'b' file. */ |
| nffs_test_util_append_file("/mydir/b", "1234", 4); |
| |
| /* Corrupt the 'b' file; overwrite the second block's magic number. */ |
| rc = fs_open(&fs_file, "/mydir/b"); |
| zassert_equal(rc, 0, "cannot open file"); |
| |
| file = fs_file.fp; |
| rc = nffs_block_from_hash_entry(&block, |
| file->nf_inode_entry->nie_last_block_entry); |
| zassert_equal(rc, 0, "block from hash entry error"); |
| |
| nffs_flash_loc_expand(block.nb_hash_entry->nhe_flash_loc, &area_idx, |
| &area_offset); |
| flash_offset = nffs_areas[area_idx].na_offset + area_offset; |
| |
| /* |
| * Overwriting the reserved16 field should invalidate the CRC |
| */ |
| off = (char *)&ndb.reserved16 - (char *)&ndb; |
| nffs_test_util_overwrite_data(data1, sizeof(data1), flash_offset + off); |
| |
| zassert_equal(rc, 0, "flash native memset error"); |
| |
| /* |
| * Write a fourth file. This file should get restored even though the |
| * previous object has an invalid magic number. |
| */ |
| nffs_test_util_create_file("/mydir/d", "dddd", 4); |
| |
| rc = nffs_misc_reset(); |
| zassert_equal(rc, 0, "cannot reset nffs"); |
| rc = nffs_restore_full(nffs_current_area_descs); |
| zassert_equal(rc, 0, "cannot detect nffs"); |
| |
| /* |
| * The entire second block should be removed; the file should only |
| * contain the first block. |
| */ |
| struct nffs_test_file_desc *expected_system = |
| (struct nffs_test_file_desc[]) { { |
| .filename = "", |
| .is_dir = 1, |
| .children = (struct nffs_test_file_desc[]) { { |
| .filename = "mydir", |
| .is_dir = 1, |
| .children = (struct nffs_test_file_desc[]) { { |
| .filename = "a", |
| .contents = "aaaa", |
| .contents_len = 4, |
| }, { |
| .filename = "c", |
| .contents = "cccc", |
| .contents_len = 4, |
| }, { |
| .filename = "d", |
| .contents = "dddd", |
| .contents_len = 4, |
| }, { |
| .filename = NULL, |
| } }, |
| }, { |
| .filename = NULL, |
| } }, |
| } }; |
| |
| nffs_test_assert_system(expected_system, nffs_current_area_descs); |
| } |