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-rw-r--r--tools/verity/BUILD15
-rw-r--r--tools/verity/measure_tool.go87
-rw-r--r--tools/verity/measure_tool_unsafe.go39
3 files changed, 0 insertions, 141 deletions
diff --git a/tools/verity/BUILD b/tools/verity/BUILD
deleted file mode 100644
index 77d16359c..000000000
--- a/tools/verity/BUILD
+++ /dev/null
@@ -1,15 +0,0 @@
-load("//tools:defs.bzl", "go_binary")
-
-licenses(["notice"])
-
-go_binary(
- name = "measure_tool",
- srcs = [
- "measure_tool.go",
- "measure_tool_unsafe.go",
- ],
- pure = True,
- deps = [
- "//pkg/abi/linux",
- ],
-)
diff --git a/tools/verity/measure_tool.go b/tools/verity/measure_tool.go
deleted file mode 100644
index 0d314ae70..000000000
--- a/tools/verity/measure_tool.go
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// 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.
-
-// This binary can be used to run a measurement of the verity file system,
-// generate the corresponding Merkle tree files, and return the root hash.
-package main
-
-import (
- "flag"
- "io/ioutil"
- "log"
- "os"
- "syscall"
-
- "gvisor.dev/gvisor/pkg/abi/linux"
-)
-
-var path = flag.String("path", "", "path to the verity file system.")
-
-const maxDigestSize = 64
-
-type digest struct {
- metadata linux.DigestMetadata
- digest [maxDigestSize]byte
-}
-
-func main() {
- flag.Parse()
- if *path == "" {
- log.Fatalf("no path provided")
- }
- if err := enableDir(*path); err != nil {
- log.Fatalf("Failed to enable file system %s: %v", *path, err)
- }
- // Print the root hash of the file system to stdout.
- if err := measure(*path); err != nil {
- log.Fatalf("Failed to measure file system %s: %v", *path, err)
- }
-}
-
-// enableDir enables verity features on all the files and sub-directories within
-// path.
-func enableDir(path string) error {
- files, err := ioutil.ReadDir(path)
- if err != nil {
- return err
- }
- for _, file := range files {
- if file.IsDir() {
- // For directories, first enable its children.
- if err := enableDir(path + "/" + file.Name()); err != nil {
- return err
- }
- } else if file.Mode().IsRegular() {
- // For regular files, open and enable verity feature.
- f, err := os.Open(path + "/" + file.Name())
- if err != nil {
- return err
- }
- var p uintptr
- if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(f.Fd()), uintptr(linux.FS_IOC_ENABLE_VERITY), p); err != 0 {
- return err
- }
- }
- }
- // Once all children are enabled, enable the parent directory.
- f, err := os.Open(path)
- if err != nil {
- return err
- }
- var p uintptr
- if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(f.Fd()), uintptr(linux.FS_IOC_ENABLE_VERITY), p); err != 0 {
- return err
- }
- return nil
-}
diff --git a/tools/verity/measure_tool_unsafe.go b/tools/verity/measure_tool_unsafe.go
deleted file mode 100644
index d4079be9e..000000000
--- a/tools/verity/measure_tool_unsafe.go
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// 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.
-package main
-
-import (
- "encoding/hex"
- "fmt"
- "os"
- "syscall"
- "unsafe"
-
- "gvisor.dev/gvisor/pkg/abi/linux"
-)
-
-// measure prints the hash of path to stdout.
-func measure(path string) error {
- f, err := os.Open(path)
- if err != nil {
- return err
- }
- var digest digest
- digest.metadata.DigestSize = maxDigestSize
- if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(f.Fd()), uintptr(linux.FS_IOC_MEASURE_VERITY), uintptr(unsafe.Pointer(&digest))); err != 0 {
- return err
- }
- fmt.Fprintf(os.Stdout, "%s\n", hex.EncodeToString(digest.digest[:digest.metadata.DigestSize]))
- return err
-}