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// Copyright (c) 2016, Google Inc.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
package main
import (
"bufio"
"bytes"
"errors"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"strconv"
"strings"
"boringssl.googlesource.com/boringssl/util/testconfig"
)
var (
buildDir = flag.String("build-dir", "build", "Specifies the build directory to push.")
adbPath = flag.String("adb", "adb", "Specifies the adb binary to use. Defaults to looking in PATH.")
ndkPath = flag.String("ndk", "", "Specifies the path to the NDK installation. Defaults to detecting from the build directory.")
device = flag.String("device", "", "Specifies the device or emulator. See adb's -s argument.")
abi = flag.String("abi", "", "Specifies the Android ABI to use when building Go tools. Defaults to detecting from the build directory.")
apiLevel = flag.Int("api-level", 0, "Specifies the Android API level to use when building Go tools. Defaults to detecting from the build directory.")
suite = flag.String("suite", "all", "Specifies the test suites to run (all, unit, or ssl).")
allTestsArgs = flag.String("all-tests-args", "", "Specifies space-separated arguments to pass to all_tests.go")
runnerArgs = flag.String("runner-args", "", "Specifies space-separated arguments to pass to ssl/test/runner")
jsonOutput = flag.String("json-output", "", "The file to output JSON results to.")
)
func enableUnitTests() bool {
return *suite == "all" || *suite == "unit"
}
func enableSSLTests() bool {
return *suite == "all" || *suite == "ssl"
}
func adb(args ...string) error {
if len(*device) > 0 {
args = append([]string{"-s", *device}, args...)
}
cmd := exec.Command(*adbPath, args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func adbShell(shellCmd string) (int, error) {
var args []string
if len(*device) > 0 {
args = append([]string{"-s", *device}, args...)
}
args = append(args, "shell")
const delimiter = "___EXIT_CODE___"
// Older versions of adb and Android do not preserve the exit
// code, so work around this.
// https://code.google.com/p/android/issues/detail?id=3254
shellCmd += "; echo " + delimiter + " $?"
args = append(args, shellCmd)
cmd := exec.Command(*adbPath, args...)
stdout, err := cmd.StdoutPipe()
if err != nil {
return 0, err
}
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
return 0, err
}
var stdoutBytes bytes.Buffer
for {
var buf [1024]byte
n, err := stdout.Read(buf[:])
stdoutBytes.Write(buf[:n])
os.Stdout.Write(buf[:n])
if err != nil {
break
}
}
if err := cmd.Wait(); err != nil {
return 0, err
}
stdoutStr := stdoutBytes.String()
idx := strings.LastIndex(stdoutStr, delimiter)
if idx < 0 {
return 0, fmt.Errorf("Could not find delimiter in output.")
}
return strconv.Atoi(strings.TrimSpace(stdoutStr[idx+len(delimiter):]))
}
func goTool(args ...string) error {
cmd := exec.Command("go", args...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = os.Environ()
// The NDK includes the host platform in the toolchain path.
var ndkOS, ndkArch string
switch runtime.GOOS {
case "linux":
ndkOS = "linux"
default:
return fmt.Errorf("unknown host OS: %q", runtime.GOOS)
}
switch runtime.GOARCH {
case "amd64":
ndkArch = "x86_64"
default:
return fmt.Errorf("unknown host architecture: %q", runtime.GOARCH)
}
ndkHost := ndkOS + "-" + ndkArch
// Use the NDK's target-prefixed clang wrappers, so cgo gets the right
// flags. See https://developer.android.com/ndk/guides/cmake#android_abi for
// Android ABIs.
var targetPrefix string
switch *abi {
case "armeabi-v7a", "armeabi-v7a with NEON":
targetPrefix = fmt.Sprintf("armv7a-linux-androideabi%d-", *apiLevel)
cmd.Env = append(cmd.Env, "GOARCH=arm")
cmd.Env = append(cmd.Env, "GOARM=7")
case "arm64-v8a":
targetPrefix = fmt.Sprintf("aarch64-linux-android%d-", *apiLevel)
cmd.Env = append(cmd.Env, "GOARCH=arm64")
default:
fmt.Errorf("unknown Android ABI: %q", *abi)
}
// Go's Android support requires cgo and compilers from the NDK. See
// https://golang.org/misc/android/README, though note CC_FOR_TARGET only
// works when building Go itself. go build only looks at CC.
cmd.Env = append(cmd.Env, "CGO_ENABLED=1")
cmd.Env = append(cmd.Env, "GOOS=android")
toolchainDir := filepath.Join(*ndkPath, "toolchains", "llvm", "prebuilt", ndkHost, "bin")
cmd.Env = append(cmd.Env, fmt.Sprintf("CC=%s", filepath.Join(toolchainDir, targetPrefix+"clang")))
cmd.Env = append(cmd.Env, fmt.Sprintf("CXX=%s", filepath.Join(toolchainDir, targetPrefix+"clang++")))
return cmd.Run()
}
// setWorkingDirectory walks up directories as needed until the current working
// directory is the top of a BoringSSL checkout.
func setWorkingDirectory() {
for i := 0; i < 64; i++ {
if _, err := os.Stat("BUILDING.md"); err == nil {
return
}
os.Chdir("..")
}
panic("Couldn't find BUILDING.md in a parent directory!")
}
func detectOptionsFromCMake() error {
if len(*ndkPath) != 0 && len(*abi) != 0 && *apiLevel != 0 {
// No need to parse options from CMake.
return nil
}
cmakeCache, err := os.Open(filepath.Join(*buildDir, "CMakeCache.txt"))
if err != nil {
return err
}
defer cmakeCache.Close()
cmakeVars := make(map[string]string)
scanner := bufio.NewScanner(cmakeCache)
for scanner.Scan() {
line := scanner.Text()
if idx := strings.IndexByte(line, '#'); idx >= 0 {
line = line[:idx]
}
if idx := strings.Index(line, "//"); idx >= 0 {
line = line[:idx]
}
// The syntax for each line is KEY:TYPE=VALUE.
equals := strings.IndexByte(line, '=')
if equals < 0 {
continue
}
name := line[:equals]
value := line[equals+1:]
if idx := strings.IndexByte(name, ':'); idx >= 0 {
name = name[:idx]
}
cmakeVars[name] = value
}
if err := scanner.Err(); err != nil {
return err
}
if len(*ndkPath) == 0 {
if ndk, ok := cmakeVars["ANDROID_NDK"]; ok {
*ndkPath = ndk
} else if toolchainFile, ok := cmakeVars["CMAKE_TOOLCHAIN_FILE"]; ok {
// The toolchain is at build/cmake/android.toolchain.cmake under the NDK.
*ndkPath = filepath.Dir(filepath.Dir(filepath.Dir(toolchainFile)))
} else {
return errors.New("Neither CMAKE_TOOLCHAIN_FILE nor ANDROID_NDK found in CMakeCache.txt")
}
fmt.Printf("Detected NDK path %q from CMakeCache.txt.\n", *ndkPath)
}
if len(*abi) == 0 {
var ok bool
if *abi, ok = cmakeVars["ANDROID_ABI"]; !ok {
return errors.New("ANDROID_ABI not found in CMakeCache.txt")
}
fmt.Printf("Detected ABI %q from CMakeCache.txt.\n", *abi)
}
if *apiLevel == 0 {
apiLevelStr, ok := cmakeVars["ANDROID_NATIVE_API_LEVEL"]
if !ok {
return errors.New("ANDROID_NATIVE_API_LEVEL not found in CMakeCache.txt")
}
var err error
if *apiLevel, err = strconv.Atoi(apiLevelStr); err != nil {
return fmt.Errorf("error parsing ANDROID_NATIVE_API_LEVEL: %s", err)
}
fmt.Printf("Detected API level %d from CMakeCache.txt.\n", *apiLevel)
}
return nil
}
func copyFile(dst, src string) error {
srcFile, err := os.Open(src)
if err != nil {
return err
}
defer srcFile.Close()
srcInfo, err := srcFile.Stat()
if err != nil {
return err
}
dir := filepath.Dir(dst)
if err := os.MkdirAll(dir, 0777); err != nil {
return err
}
dstFile, err := os.OpenFile(dst, os.O_CREATE|os.O_WRONLY, srcInfo.Mode())
if err != nil {
return err
}
defer dstFile.Close()
_, err = io.Copy(dstFile, srcFile)
return err
}
func main() {
flag.Parse()
if *suite == "all" && *jsonOutput != "" {
fmt.Printf("To use -json-output flag, select only one test suite with -suite.\n")
os.Exit(1)
}
setWorkingDirectory()
if err := detectOptionsFromCMake(); err != nil {
fmt.Printf("Error reading options from CMake: %s.\n", err)
os.Exit(1)
}
// Clear the target directory.
if err := adb("shell", "rm -Rf /data/local/tmp/boringssl-tmp"); err != nil {
fmt.Printf("Failed to clear target directory: %s\n", err)
os.Exit(1)
}
// Stage everything in a temporary directory.
tmpDir, err := ioutil.TempDir("", "boringssl-android")
if err != nil {
fmt.Printf("Error making temporary directory: %s\n", err)
os.Exit(1)
}
defer os.RemoveAll(tmpDir)
var binaries, files []string
if enableUnitTests() {
files = append(files,
"util/all_tests.json",
"BUILDING.md",
)
tests, err := testconfig.ParseTestConfig("util/all_tests.json")
if err != nil {
fmt.Printf("Failed to parse input: %s\n", err)
os.Exit(1)
}
seenBinary := make(map[string]struct{})
for _, test := range tests {
if _, ok := seenBinary[test.Cmd[0]]; !ok {
binaries = append(binaries, test.Cmd[0])
seenBinary[test.Cmd[0]] = struct{}{}
}
for _, arg := range test.Cmd[1:] {
if strings.Contains(arg, "/") {
files = append(files, arg)
}
}
}
fmt.Printf("Building all_tests...\n")
if err := goTool("build", "-o", filepath.Join(tmpDir, "util/all_tests"), "util/all_tests.go"); err != nil {
fmt.Printf("Error building all_tests.go: %s\n", err)
os.Exit(1)
}
}
if enableSSLTests() {
binaries = append(binaries, "ssl/test/bssl_shim")
files = append(files,
"BUILDING.md",
"ssl/test/runner/cert.pem",
"ssl/test/runner/channel_id_key.pem",
"ssl/test/runner/ecdsa_p224_cert.pem",
"ssl/test/runner/ecdsa_p224_key.pem",
"ssl/test/runner/ecdsa_p256_cert.pem",
"ssl/test/runner/ecdsa_p256_key.pem",
"ssl/test/runner/ecdsa_p384_cert.pem",
"ssl/test/runner/ecdsa_p384_key.pem",
"ssl/test/runner/ecdsa_p521_cert.pem",
"ssl/test/runner/ecdsa_p521_key.pem",
"ssl/test/runner/ed25519_cert.pem",
"ssl/test/runner/ed25519_key.pem",
"ssl/test/runner/key.pem",
"ssl/test/runner/rsa_1024_cert.pem",
"ssl/test/runner/rsa_1024_key.pem",
"ssl/test/runner/rsa_chain_cert.pem",
"ssl/test/runner/rsa_chain_key.pem",
"util/all_tests.json",
)
fmt.Printf("Building runner...\n")
if err := goTool("test", "-c", "-o", filepath.Join(tmpDir, "ssl/test/runner/runner"), "./ssl/test/runner/"); err != nil {
fmt.Printf("Error building runner: %s\n", err)
os.Exit(1)
}
}
var libraries []string
if _, err := os.Stat(filepath.Join(*buildDir, "crypto/libcrypto.so")); err == nil {
libraries = []string{
"libboringssl_gtest.so",
"crypto/libcrypto.so",
"decrepit/libdecrepit.so",
"ssl/libssl.so",
}
} else if !os.IsNotExist(err) {
fmt.Printf("Failed to stat crypto/libcrypto.so: %s\n", err)
os.Exit(1)
}
fmt.Printf("Copying test binaries...\n")
for _, binary := range binaries {
if err := copyFile(filepath.Join(tmpDir, "build", binary), filepath.Join(*buildDir, binary)); err != nil {
fmt.Printf("Failed to copy %s: %s\n", binary, err)
os.Exit(1)
}
}
var envPrefix string
if len(libraries) > 0 {
fmt.Printf("Copying libraries...\n")
for _, library := range libraries {
// Place all the libraries in a common directory so they
// can be passed to LD_LIBRARY_PATH once.
if err := copyFile(filepath.Join(tmpDir, "build", "lib", filepath.Base(library)), filepath.Join(*buildDir, library)); err != nil {
fmt.Printf("Failed to copy %s: %s\n", library, err)
os.Exit(1)
}
}
envPrefix = "env LD_LIBRARY_PATH=/data/local/tmp/boringssl-tmp/build/lib "
}
fmt.Printf("Copying data files...\n")
for _, file := range files {
if err := copyFile(filepath.Join(tmpDir, file), file); err != nil {
fmt.Printf("Failed to copy %s: %s\n", file, err)
os.Exit(1)
}
}
fmt.Printf("Uploading files...\n")
if err := adb("push", "-p", tmpDir, "/data/local/tmp/boringssl-tmp"); err != nil {
fmt.Printf("Failed to push runner: %s\n", err)
os.Exit(1)
}
var unitTestExit int
if enableUnitTests() {
fmt.Printf("Running unit tests...\n")
unitTestExit, err = adbShell(fmt.Sprintf("cd /data/local/tmp/boringssl-tmp && %s./util/all_tests -json-output results.json %s", envPrefix, *allTestsArgs))
if err != nil {
fmt.Printf("Failed to run unit tests: %s\n", err)
os.Exit(1)
}
}
var sslTestExit int
if enableSSLTests() {
fmt.Printf("Running SSL tests...\n")
sslTestExit, err = adbShell(fmt.Sprintf("cd /data/local/tmp/boringssl-tmp/ssl/test/runner && %s./runner -json-output ../../../results.json %s", envPrefix, *runnerArgs))
if err != nil {
fmt.Printf("Failed to run SSL tests: %s\n", err)
os.Exit(1)
}
}
if *jsonOutput != "" {
if err := adb("pull", "-p", "/data/local/tmp/boringssl-tmp/results.json", *jsonOutput); err != nil {
fmt.Printf("Failed to extract results.json: %s\n", err)
os.Exit(1)
}
}
if unitTestExit != 0 {
os.Exit(unitTestExit)
}
if sslTestExit != 0 {
os.Exit(sslTestExit)
}
}