You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
302 lines
9.2 KiB
302 lines
9.2 KiB
// Copyright 2020 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.
|
|
|
|
package rust
|
|
|
|
import (
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
|
|
"android/soong/android"
|
|
"android/soong/cc"
|
|
"android/soong/rust/config"
|
|
)
|
|
|
|
func init() {
|
|
android.RegisterModuleType("rust_fuzz", RustFuzzFactory)
|
|
android.RegisterSingletonType("rust_fuzz_packaging", rustFuzzPackagingFactory)
|
|
}
|
|
|
|
type fuzzDecorator struct {
|
|
*binaryDecorator
|
|
|
|
Properties cc.FuzzProperties
|
|
dictionary android.Path
|
|
corpus android.Paths
|
|
corpusIntermediateDir android.Path
|
|
config android.Path
|
|
data android.Paths
|
|
dataIntermediateDir android.Path
|
|
}
|
|
|
|
var _ compiler = (*binaryDecorator)(nil)
|
|
|
|
// rust_binary produces a binary that is runnable on a device.
|
|
func RustFuzzFactory() android.Module {
|
|
module, _ := NewRustFuzz(android.HostAndDeviceSupported)
|
|
return module.Init()
|
|
}
|
|
|
|
func NewRustFuzz(hod android.HostOrDeviceSupported) (*Module, *fuzzDecorator) {
|
|
module, binary := NewRustBinary(hod)
|
|
fuzz := &fuzzDecorator{
|
|
binaryDecorator: binary,
|
|
}
|
|
|
|
// Change the defaults for the binaryDecorator's baseCompiler
|
|
fuzz.binaryDecorator.baseCompiler.dir = "fuzz"
|
|
fuzz.binaryDecorator.baseCompiler.dir64 = "fuzz"
|
|
fuzz.binaryDecorator.baseCompiler.location = InstallInData
|
|
module.sanitize.SetSanitizer(cc.Fuzzer, true)
|
|
module.compiler = fuzz
|
|
return module, fuzz
|
|
}
|
|
|
|
func (fuzzer *fuzzDecorator) compilerFlags(ctx ModuleContext, flags Flags) Flags {
|
|
flags = fuzzer.binaryDecorator.compilerFlags(ctx, flags)
|
|
|
|
// `../lib` for installed fuzz targets (both host and device), and `./lib` for fuzz target packages.
|
|
flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/../lib`)
|
|
flags.LinkFlags = append(flags.LinkFlags, `-Wl,-rpath,\$$ORIGIN/lib`)
|
|
|
|
return flags
|
|
}
|
|
|
|
func (fuzzer *fuzzDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
|
|
if libFuzzerRuntimeLibrary := config.LibFuzzerRuntimeLibrary(ctx.toolchain()); libFuzzerRuntimeLibrary != "" {
|
|
deps.StaticLibs = append(deps.StaticLibs, libFuzzerRuntimeLibrary)
|
|
}
|
|
deps.SharedLibs = append(deps.SharedLibs, "libc++")
|
|
deps.Rlibs = append(deps.Rlibs, "liblibfuzzer_sys")
|
|
|
|
deps = fuzzer.binaryDecorator.compilerDeps(ctx, deps)
|
|
|
|
return deps
|
|
}
|
|
|
|
func (fuzzer *fuzzDecorator) compilerProps() []interface{} {
|
|
return append(fuzzer.binaryDecorator.compilerProps(),
|
|
&fuzzer.Properties)
|
|
}
|
|
|
|
func (fuzzer *fuzzDecorator) stdLinkage(ctx *depsContext) RustLinkage {
|
|
return RlibLinkage
|
|
}
|
|
|
|
func (fuzzer *fuzzDecorator) autoDep(ctx android.BottomUpMutatorContext) autoDep {
|
|
return rlibAutoDep
|
|
}
|
|
|
|
// Responsible for generating GNU Make rules that package fuzz targets into
|
|
// their architecture & target/host specific zip file.
|
|
type rustFuzzPackager struct {
|
|
packages android.Paths
|
|
fuzzTargets map[string]bool
|
|
}
|
|
|
|
func rustFuzzPackagingFactory() android.Singleton {
|
|
return &rustFuzzPackager{}
|
|
}
|
|
|
|
type fileToZip struct {
|
|
SourceFilePath android.Path
|
|
DestinationPathPrefix string
|
|
}
|
|
|
|
type archOs struct {
|
|
hostOrTarget string
|
|
arch string
|
|
dir string
|
|
}
|
|
|
|
func (s *rustFuzzPackager) GenerateBuildActions(ctx android.SingletonContext) {
|
|
|
|
// Map between each architecture + host/device combination.
|
|
archDirs := make(map[archOs][]fileToZip)
|
|
|
|
// List of individual fuzz targets.
|
|
s.fuzzTargets = make(map[string]bool)
|
|
|
|
ctx.VisitAllModules(func(module android.Module) {
|
|
// Discard non-fuzz targets.
|
|
rustModule, ok := module.(*Module)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
fuzzModule, ok := rustModule.compiler.(*fuzzDecorator)
|
|
if !ok {
|
|
return
|
|
}
|
|
|
|
// Discard ramdisk + vendor_ramdisk + recovery modules, they're duplicates of
|
|
// fuzz targets we're going to package anyway.
|
|
if !rustModule.Enabled() || rustModule.Properties.PreventInstall ||
|
|
rustModule.InRamdisk() || rustModule.InVendorRamdisk() || rustModule.InRecovery() {
|
|
return
|
|
}
|
|
|
|
// Discard modules that are in an unavailable namespace.
|
|
if !rustModule.ExportedToMake() {
|
|
return
|
|
}
|
|
|
|
hostOrTargetString := "target"
|
|
if rustModule.Host() {
|
|
hostOrTargetString = "host"
|
|
}
|
|
|
|
archString := rustModule.Arch().ArchType.String()
|
|
archDir := android.PathForIntermediates(ctx, "fuzz", hostOrTargetString, archString)
|
|
archOs := archOs{hostOrTarget: hostOrTargetString, arch: archString, dir: archDir.String()}
|
|
|
|
var files []fileToZip
|
|
builder := android.NewRuleBuilder(pctx, ctx)
|
|
|
|
// Package the corpora into a zipfile.
|
|
if fuzzModule.corpus != nil {
|
|
corpusZip := archDir.Join(ctx, module.Name()+"_seed_corpus.zip")
|
|
command := builder.Command().BuiltTool("soong_zip").
|
|
Flag("-j").
|
|
FlagWithOutput("-o ", corpusZip)
|
|
rspFile := corpusZip.ReplaceExtension(ctx, "rsp")
|
|
command.FlagWithRspFileInputList("-r ", rspFile, fuzzModule.corpus)
|
|
files = append(files, fileToZip{corpusZip, ""})
|
|
}
|
|
|
|
// Package the data into a zipfile.
|
|
if fuzzModule.data != nil {
|
|
dataZip := archDir.Join(ctx, module.Name()+"_data.zip")
|
|
command := builder.Command().BuiltTool("soong_zip").
|
|
FlagWithOutput("-o ", dataZip)
|
|
for _, f := range fuzzModule.data {
|
|
intermediateDir := strings.TrimSuffix(f.String(), f.Rel())
|
|
command.FlagWithArg("-C ", intermediateDir)
|
|
command.FlagWithInput("-f ", f)
|
|
}
|
|
files = append(files, fileToZip{dataZip, ""})
|
|
}
|
|
|
|
// The executable.
|
|
files = append(files, fileToZip{rustModule.unstrippedOutputFile.Path(), ""})
|
|
|
|
// The dictionary.
|
|
if fuzzModule.dictionary != nil {
|
|
files = append(files, fileToZip{fuzzModule.dictionary, ""})
|
|
}
|
|
|
|
// Additional fuzz config.
|
|
if fuzzModule.config != nil {
|
|
files = append(files, fileToZip{fuzzModule.config, ""})
|
|
}
|
|
|
|
fuzzZip := archDir.Join(ctx, module.Name()+".zip")
|
|
|
|
command := builder.Command().BuiltTool("soong_zip").
|
|
Flag("-j").
|
|
FlagWithOutput("-o ", fuzzZip)
|
|
|
|
for _, file := range files {
|
|
if file.DestinationPathPrefix != "" {
|
|
command.FlagWithArg("-P ", file.DestinationPathPrefix)
|
|
} else {
|
|
command.Flag("-P ''")
|
|
}
|
|
command.FlagWithInput("-f ", file.SourceFilePath)
|
|
}
|
|
|
|
builder.Build("create-"+fuzzZip.String(),
|
|
"Package "+module.Name()+" for "+archString+"-"+hostOrTargetString)
|
|
|
|
// Don't add modules to 'make haiku-rust' that are set to not be
|
|
// exported to the fuzzing infrastructure.
|
|
if config := fuzzModule.Properties.Fuzz_config; config != nil {
|
|
if rustModule.Host() && !BoolDefault(config.Fuzz_on_haiku_host, true) {
|
|
return
|
|
} else if !BoolDefault(config.Fuzz_on_haiku_device, true) {
|
|
return
|
|
}
|
|
}
|
|
|
|
s.fuzzTargets[module.Name()] = true
|
|
archDirs[archOs] = append(archDirs[archOs], fileToZip{fuzzZip, ""})
|
|
})
|
|
|
|
var archOsList []archOs
|
|
for archOs := range archDirs {
|
|
archOsList = append(archOsList, archOs)
|
|
}
|
|
sort.Slice(archOsList, func(i, j int) bool { return archOsList[i].dir < archOsList[j].dir })
|
|
|
|
for _, archOs := range archOsList {
|
|
filesToZip := archDirs[archOs]
|
|
arch := archOs.arch
|
|
hostOrTarget := archOs.hostOrTarget
|
|
builder := android.NewRuleBuilder(pctx, ctx)
|
|
outputFile := android.PathForOutput(ctx, "fuzz-rust-"+hostOrTarget+"-"+arch+".zip")
|
|
s.packages = append(s.packages, outputFile)
|
|
|
|
command := builder.Command().BuiltTool("soong_zip").
|
|
Flag("-j").
|
|
FlagWithOutput("-o ", outputFile).
|
|
Flag("-L 0") // No need to try and re-compress the zipfiles.
|
|
|
|
for _, fileToZip := range filesToZip {
|
|
if fileToZip.DestinationPathPrefix != "" {
|
|
command.FlagWithArg("-P ", fileToZip.DestinationPathPrefix)
|
|
} else {
|
|
command.Flag("-P ''")
|
|
}
|
|
command.FlagWithInput("-f ", fileToZip.SourceFilePath)
|
|
}
|
|
builder.Build("create-fuzz-package-"+arch+"-"+hostOrTarget,
|
|
"Create fuzz target packages for "+arch+"-"+hostOrTarget)
|
|
}
|
|
|
|
}
|
|
|
|
func (s *rustFuzzPackager) MakeVars(ctx android.MakeVarsContext) {
|
|
packages := s.packages.Strings()
|
|
sort.Strings(packages)
|
|
|
|
ctx.Strict("SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES", strings.Join(packages, " "))
|
|
|
|
// Preallocate the slice of fuzz targets to minimise memory allocations.
|
|
fuzzTargets := make([]string, 0, len(s.fuzzTargets))
|
|
for target, _ := range s.fuzzTargets {
|
|
fuzzTargets = append(fuzzTargets, target)
|
|
}
|
|
sort.Strings(fuzzTargets)
|
|
ctx.Strict("ALL_RUST_FUZZ_TARGETS", strings.Join(fuzzTargets, " "))
|
|
}
|
|
|
|
func (fuzz *fuzzDecorator) install(ctx ModuleContext) {
|
|
fuzz.binaryDecorator.baseCompiler.dir = filepath.Join(
|
|
"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
|
|
fuzz.binaryDecorator.baseCompiler.dir64 = filepath.Join(
|
|
"fuzz", ctx.Target().Arch.ArchType.String(), ctx.ModuleName())
|
|
fuzz.binaryDecorator.baseCompiler.install(ctx)
|
|
|
|
if fuzz.Properties.Corpus != nil {
|
|
fuzz.corpus = android.PathsForModuleSrc(ctx, fuzz.Properties.Corpus)
|
|
}
|
|
if fuzz.Properties.Data != nil {
|
|
fuzz.data = android.PathsForModuleSrc(ctx, fuzz.Properties.Data)
|
|
}
|
|
if fuzz.Properties.Dictionary != nil {
|
|
fuzz.dictionary = android.PathForModuleSrc(ctx, *fuzz.Properties.Dictionary)
|
|
}
|
|
}
|