| /* |
| * Copyright (C) 2023 The Android Open Source Project |
| * |
| * Licensed 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. |
| */ |
| |
| //! Stable API definition copied from uapi/linux/fsverity.h |
| |
| use nix::{ioctl_readwrite, ioctl_write_ptr}; |
| |
| const FS_IOCTL_MAGIC: u8 = b'f'; |
| const FS_IOC_ENABLE_VERITY: u8 = 133; |
| const FS_IOCTL_READ_VERITY_METADATA: u8 = 135; |
| |
| pub const FS_VERITY_HASH_ALG_SHA256: u32 = 1; |
| pub const FS_VERITY_METADATA_TYPE_MERKLE_TREE: u64 = 1; |
| pub const FS_VERITY_METADATA_TYPE_SIGNATURE: u64 = 3; |
| |
| #[repr(C)] |
| pub struct fsverity_read_metadata_arg { |
| pub metadata_type: u64, |
| pub offset: u64, |
| pub length: u64, |
| pub buf_ptr: u64, |
| pub __reserved: u64, |
| } |
| |
| ioctl_readwrite!( |
| read_verity_metadata, |
| FS_IOCTL_MAGIC, |
| FS_IOCTL_READ_VERITY_METADATA, |
| fsverity_read_metadata_arg |
| ); |
| |
| #[repr(C)] |
| pub struct fsverity_enable_arg { |
| pub version: u32, |
| pub hash_algorithm: u32, |
| pub block_size: u32, |
| pub salt_size: u32, |
| pub salt_ptr: u64, |
| pub sig_size: u32, |
| pub __reserved1: u32, |
| pub sig_ptr: u64, |
| pub __reserved2: [u64; 11], |
| } |
| |
| ioctl_write_ptr!(enable_verity, FS_IOCTL_MAGIC, FS_IOC_ENABLE_VERITY, fsverity_enable_arg); |