Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9b6df0bd authored by Wei Li's avatar Wei Li Committed by Automerger Merge Worker
Browse files

Merge "Remove unused compliance_bom tool" into main am: 3c7cefb3

parents eadbbe94 3c7cefb3
Loading
Loading
Loading
Loading
+0 −10
Original line number Diff line number Diff line
@@ -38,16 +38,6 @@ blueprint_go_binary {
    testSrcs: ["cmd/checkshare/checkshare_test.go"],
}

blueprint_go_binary {
    name: "compliancenotice_bom",
    srcs: ["cmd/bom/bom.go"],
    deps: [
        "compliance-module",
        "soong-response",
    ],
    testSrcs: ["cmd/bom/bom_test.go"],
}

blueprint_go_binary {
    name: "compliancenotice_shippedlibs",
    srcs: ["cmd/shippedlibs/shippedlibs.go"],

tools/compliance/cmd/bom/bom.go

deleted100644 → 0
+0 −189
Original line number Diff line number Diff line
// Copyright 2021 Google LLC
//
// 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 (
	"bytes"
	"flag"
	"fmt"
	"io"
	"io/fs"
	"os"
	"path/filepath"
	"strings"

	"android/soong/response"
	"android/soong/tools/compliance"
)

var (
	failNoneRequested = fmt.Errorf("\nNo license metadata files requested")
	failNoLicenses    = fmt.Errorf("No licenses found")
)

type context struct {
	stdout      io.Writer
	stderr      io.Writer
	rootFS      fs.FS
	stripPrefix []string
}

func (ctx context) strip(installPath string) string {
	for _, prefix := range ctx.stripPrefix {
		if strings.HasPrefix(installPath, prefix) {
			p := strings.TrimPrefix(installPath, prefix)
			if 0 == len(p) {
				continue
			}
			return p
		}
	}
	return installPath
}

// newMultiString creates a flag that allows multiple values in an array.
func newMultiString(flags *flag.FlagSet, name, usage string) *multiString {
	var f multiString
	flags.Var(&f, name, usage)
	return &f
}

// multiString implements the flag `Value` interface for multiple strings.
type multiString []string

func (ms *multiString) String() string     { return strings.Join(*ms, ", ") }
func (ms *multiString) Set(s string) error { *ms = append(*ms, s); return nil }

func main() {
	var expandedArgs []string
	for _, arg := range os.Args[1:] {
		if strings.HasPrefix(arg, "@") {
			f, err := os.Open(strings.TrimPrefix(arg, "@"))
			if err != nil {
				fmt.Fprintln(os.Stderr, err.Error())
				os.Exit(1)
			}

			respArgs, err := response.ReadRspFile(f)
			f.Close()
			if err != nil {
				fmt.Fprintln(os.Stderr, err.Error())
				os.Exit(1)
			}
			expandedArgs = append(expandedArgs, respArgs...)
		} else {
			expandedArgs = append(expandedArgs, arg)
		}
	}

	flags := flag.NewFlagSet("flags", flag.ExitOnError)

	flags.Usage = func() {
		fmt.Fprintf(os.Stderr, `Usage: %s {options} file.meta_lic {file.meta_lic...}

Outputs a bill of materials. i.e. the list of installed paths.

Options:
`, filepath.Base(os.Args[0]))
		flags.PrintDefaults()
	}

	outputFile := flags.String("o", "-", "Where to write the bill of materials. (default stdout)")
	stripPrefix := newMultiString(flags, "strip_prefix", "Prefix to remove from paths. i.e. path to root (multiple allowed)")

	flags.Parse(expandedArgs)

	// Must specify at least one root target.
	if flags.NArg() == 0 {
		flags.Usage()
		os.Exit(2)
	}

	if len(*outputFile) == 0 {
		flags.Usage()
		fmt.Fprintf(os.Stderr, "must specify file for -o; use - for stdout\n")
		os.Exit(2)
	} else {
		dir, err := filepath.Abs(filepath.Dir(*outputFile))
		if err != nil {
			fmt.Fprintf(os.Stderr, "cannot determine path to %q: %s\n", *outputFile, err)
			os.Exit(1)
		}
		fi, err := os.Stat(dir)
		if err != nil {
			fmt.Fprintf(os.Stderr, "cannot read directory %q of %q: %s\n", dir, *outputFile, err)
			os.Exit(1)
		}
		if !fi.IsDir() {
			fmt.Fprintf(os.Stderr, "parent %q of %q is not a directory\n", dir, *outputFile)
			os.Exit(1)
		}
	}

	var ofile io.Writer
	ofile = os.Stdout
	if *outputFile != "-" {
		ofile = &bytes.Buffer{}
	}

	ctx := &context{ofile, os.Stderr, compliance.FS, *stripPrefix}

	err := billOfMaterials(ctx, flags.Args()...)
	if err != nil {
		if err == failNoneRequested {
			flags.Usage()
		}
		fmt.Fprintf(os.Stderr, "%s\n", err.Error())
		os.Exit(1)
	}
	if *outputFile != "-" {
		err := os.WriteFile(*outputFile, ofile.(*bytes.Buffer).Bytes(), 0666)
		if err != nil {
			fmt.Fprintf(os.Stderr, "could not write output to %q: %s\n", *outputFile, err)
			os.Exit(1)
		}
	}
	os.Exit(0)
}

// billOfMaterials implements the bom utility.
func billOfMaterials(ctx *context, files ...string) error {
	// Must be at least one root file.
	if len(files) < 1 {
		return failNoneRequested
	}

	// Read the license graph from the license metadata files (*.meta_lic).
	licenseGraph, err := compliance.ReadLicenseGraph(ctx.rootFS, ctx.stderr, files)
	if err != nil {
		return fmt.Errorf("Unable to read license metadata file(s) %q: %v\n", files, err)
	}
	if licenseGraph == nil {
		return failNoLicenses
	}

	// rs contains all notice resolutions.
	rs := compliance.ResolveNotices(licenseGraph)

	ni, err := compliance.IndexLicenseTexts(ctx.rootFS, licenseGraph, rs)
	if err != nil {
		return fmt.Errorf("Unable to read license text file(s) for %q: %v\n", files, err)
	}

	for path := range ni.InstallPaths() {
		fmt.Fprintln(ctx.stdout, ctx.strip(path))
	}
	return nil
}
+0 −322
Original line number Diff line number Diff line
// Copyright 2021 Google LLC
//
// 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 (
	"bufio"
	"bytes"
	"fmt"
	"os"
	"strings"
	"testing"

	"android/soong/tools/compliance"
)

func TestMain(m *testing.M) {
	// Change into the parent directory before running the tests
	// so they can find the testdata directory.
	if err := os.Chdir(".."); err != nil {
		fmt.Printf("failed to change to testdata directory: %s\n", err)
		os.Exit(1)
	}
	os.Exit(m.Run())
}

func Test(t *testing.T) {
	tests := []struct {
		condition   string
		name        string
		outDir      string
		roots       []string
		stripPrefix string
		expectedOut []string
	}{
		{
			condition:   "firstparty",
			name:        "apex",
			roots:       []string{"highest.apex.meta_lic"},
			stripPrefix: "out/target/product/fictional",
			expectedOut: []string{
				"/system/apex/highest.apex",
				"/system/apex/highest.apex/bin/bin1",
				"/system/apex/highest.apex/bin/bin2",
				"/system/apex/highest.apex/lib/liba.so",
				"/system/apex/highest.apex/lib/libb.so",
			},
		},
		{
			condition:   "firstparty",
			name:        "container",
			roots:       []string{"container.zip.meta_lic"},
			stripPrefix: "out/target/product/fictional/data/",
			expectedOut: []string{
				"container.zip",
				"container.zip/bin1",
				"container.zip/bin2",
				"container.zip/liba.so",
				"container.zip/libb.so",
			},
		},
		{
			condition:   "firstparty",
			name:        "application",
			roots:       []string{"application.meta_lic"},
			stripPrefix: "out/target/product/fictional/bin/",
			expectedOut: []string{"application"},
		},
		{
			condition:   "firstparty",
			name:        "binary",
			roots:       []string{"bin/bin1.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"bin/bin1"},
		},
		{
			condition:   "firstparty",
			name:        "library",
			roots:       []string{"lib/libd.so.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"lib/libd.so"},
		},
		{
			condition: "notice",
			name:      "apex",
			roots:     []string{"highest.apex.meta_lic"},
			expectedOut: []string{
				"out/target/product/fictional/system/apex/highest.apex",
				"out/target/product/fictional/system/apex/highest.apex/bin/bin1",
				"out/target/product/fictional/system/apex/highest.apex/bin/bin2",
				"out/target/product/fictional/system/apex/highest.apex/lib/liba.so",
				"out/target/product/fictional/system/apex/highest.apex/lib/libb.so",
			},
		},
		{
			condition: "notice",
			name:      "container",
			roots:     []string{"container.zip.meta_lic"},
			expectedOut: []string{
				"out/target/product/fictional/data/container.zip",
				"out/target/product/fictional/data/container.zip/bin1",
				"out/target/product/fictional/data/container.zip/bin2",
				"out/target/product/fictional/data/container.zip/liba.so",
				"out/target/product/fictional/data/container.zip/libb.so",
			},
		},
		{
			condition:   "notice",
			name:        "application",
			roots:       []string{"application.meta_lic"},
			expectedOut: []string{"out/target/product/fictional/bin/application"},
		},
		{
			condition:   "notice",
			name:        "binary",
			roots:       []string{"bin/bin1.meta_lic"},
			expectedOut: []string{"out/target/product/fictional/system/bin/bin1"},
		},
		{
			condition:   "notice",
			name:        "library",
			roots:       []string{"lib/libd.so.meta_lic"},
			expectedOut: []string{"out/target/product/fictional/system/lib/libd.so"},
		},
		{
			condition:   "reciprocal",
			name:        "apex",
			roots:       []string{"highest.apex.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/apex/",
			expectedOut: []string{
				"highest.apex",
				"highest.apex/bin/bin1",
				"highest.apex/bin/bin2",
				"highest.apex/lib/liba.so",
				"highest.apex/lib/libb.so",
			},
		},
		{
			condition:   "reciprocal",
			name:        "container",
			roots:       []string{"container.zip.meta_lic"},
			stripPrefix: "out/target/product/fictional/data/",
			expectedOut: []string{
				"container.zip",
				"container.zip/bin1",
				"container.zip/bin2",
				"container.zip/liba.so",
				"container.zip/libb.so",
			},
		},
		{
			condition:   "reciprocal",
			name:        "application",
			roots:       []string{"application.meta_lic"},
			stripPrefix: "out/target/product/fictional/bin/",
			expectedOut: []string{"application"},
		},
		{
			condition:   "reciprocal",
			name:        "binary",
			roots:       []string{"bin/bin1.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"bin/bin1"},
		},
		{
			condition:   "reciprocal",
			name:        "library",
			roots:       []string{"lib/libd.so.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"lib/libd.so"},
		},
		{
			condition:   "restricted",
			name:        "apex",
			roots:       []string{"highest.apex.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/apex/",
			expectedOut: []string{
				"highest.apex",
				"highest.apex/bin/bin1",
				"highest.apex/bin/bin2",
				"highest.apex/lib/liba.so",
				"highest.apex/lib/libb.so",
			},
		},
		{
			condition:   "restricted",
			name:        "container",
			roots:       []string{"container.zip.meta_lic"},
			stripPrefix: "out/target/product/fictional/data/",
			expectedOut: []string{
				"container.zip",
				"container.zip/bin1",
				"container.zip/bin2",
				"container.zip/liba.so",
				"container.zip/libb.so",
			},
		},
		{
			condition:   "restricted",
			name:        "application",
			roots:       []string{"application.meta_lic"},
			stripPrefix: "out/target/product/fictional/bin/",
			expectedOut: []string{"application"},
		},
		{
			condition:   "restricted",
			name:        "binary",
			roots:       []string{"bin/bin1.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"bin/bin1"},
		},
		{
			condition:   "restricted",
			name:        "library",
			roots:       []string{"lib/libd.so.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"lib/libd.so"},
		},
		{
			condition:   "proprietary",
			name:        "apex",
			roots:       []string{"highest.apex.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/apex/",
			expectedOut: []string{
				"highest.apex",
				"highest.apex/bin/bin1",
				"highest.apex/bin/bin2",
				"highest.apex/lib/liba.so",
				"highest.apex/lib/libb.so",
			},
		},
		{
			condition:   "proprietary",
			name:        "container",
			roots:       []string{"container.zip.meta_lic"},
			stripPrefix: "out/target/product/fictional/data/",
			expectedOut: []string{
				"container.zip",
				"container.zip/bin1",
				"container.zip/bin2",
				"container.zip/liba.so",
				"container.zip/libb.so",
			},
		},
		{
			condition:   "proprietary",
			name:        "application",
			roots:       []string{"application.meta_lic"},
			stripPrefix: "out/target/product/fictional/bin/",
			expectedOut: []string{"application"},
		},
		{
			condition:   "proprietary",
			name:        "binary",
			roots:       []string{"bin/bin1.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"bin/bin1"},
		},
		{
			condition:   "proprietary",
			name:        "library",
			roots:       []string{"lib/libd.so.meta_lic"},
			stripPrefix: "out/target/product/fictional/system/",
			expectedOut: []string{"lib/libd.so"},
		},
	}
	for _, tt := range tests {
		t.Run(tt.condition+" "+tt.name, func(t *testing.T) {
			stdout := &bytes.Buffer{}
			stderr := &bytes.Buffer{}

			rootFiles := make([]string, 0, len(tt.roots))
			for _, r := range tt.roots {
				rootFiles = append(rootFiles, "testdata/"+tt.condition+"/"+r)
			}

			ctx := context{stdout, stderr, compliance.GetFS(tt.outDir), []string{tt.stripPrefix}}

			err := billOfMaterials(&ctx, rootFiles...)
			if err != nil {
				t.Fatalf("bom: error = %v, stderr = %v", err, stderr)
				return
			}
			if stderr.Len() > 0 {
				t.Errorf("bom: gotStderr = %v, want none", stderr)
			}

			t.Logf("got stdout: %s", stdout.String())

			t.Logf("want stdout: %s", strings.Join(tt.expectedOut, "\n"))

			out := bufio.NewScanner(stdout)
			lineno := 0
			for out.Scan() {
				line := out.Text()
				if strings.TrimLeft(line, " ") == "" {
					continue
				}
				if len(tt.expectedOut) <= lineno {
					t.Errorf("bom: unexpected output at line %d: got %q, want nothing (wanted %d lines)", lineno+1, line, len(tt.expectedOut))
				} else if tt.expectedOut[lineno] != line {
					t.Errorf("bom: unexpected output at line %d: got %q, want %q", lineno+1, line, tt.expectedOut[lineno])
				}
				lineno++
			}
			for ; lineno < len(tt.expectedOut); lineno++ {
				t.Errorf("bom: missing output line %d: ended early, want %q", lineno+1, tt.expectedOut[lineno])
			}
		})
	}
}