Example #1
0
func init() {
	if e := os.Getenv(executable_EnvVar); e != "" {
		// first chdir to another path
		dir := "/"
		if runtime.GOOS == "windows" {
			cwd, err := os.Getwd()
			if err != nil {
				panic(err)
			}
			dir = filepath.VolumeName(cwd)
		}
		os.Chdir(dir)
		if ep, err := os.Executable(); err != nil {
			fmt.Fprint(os.Stderr, "ERROR: ", err)
		} else {
			fmt.Fprint(os.Stderr, ep)
		}
		os.Exit(0)
	}
}
Example #2
0
// Lookup config uri by filename
func LookupStoreByFilterName(name string) Store {
	var store Store

	exe, err := os.Executable()
	if err != nil {
		println("os.Executable() error: ", err)
	}

	for _, dirname := range []string{filepath.Dir(exe), ".", "httpproxy", "httpproxy/filters/" + name} {
		filename := dirname + "/" + name + ".json"
		if _, err := os.Stat(filename); err == nil {
			store = &FileStore{dirname}
			break
		}
	}
	if store == nil {
		store = &FileStore{"."}
	}
	return store
}
Example #3
0
func TestExecutable(t *testing.T) {
	testenv.MustHaveExec(t) // will also execlude nacl, which doesn't support Executable anyway
	ep, err := os.Executable()
	if err != nil {
		switch goos := runtime.GOOS; goos {
		case "openbsd": // procfs is not mounted by default
			t.Skipf("Executable failed on %s: %v, expected", goos, err)
		}
		t.Fatalf("Executable failed: %v", err)
	}
	// we want fn to be of the form "dir/prog"
	dir := filepath.Dir(filepath.Dir(ep))
	fn, err := filepath.Rel(dir, ep)
	if err != nil {
		t.Fatalf("filepath.Rel: %v", err)
	}
	cmd := &osexec.Cmd{}
	// make child start with a relative program path
	cmd.Dir = dir
	cmd.Path = fn
	// forge argv[0] for child, so that we can verify we could correctly
	// get real path of the executable without influenced by argv[0].
	cmd.Args = []string{"-", "-test.run=XXXX"}
	cmd.Env = append(os.Environ(), fmt.Sprintf("%s=1", executable_EnvVar))
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("exec(self) failed: %v", err)
	}
	outs := string(out)
	if !filepath.IsAbs(outs) {
		t.Fatalf("Child returned %q, want an absolute path", out)
	}
	if !sameFile(outs, ep) {
		t.Fatalf("Child returned %q, not the same file as %q", out, ep)
	}
}
Example #4
0
func NewRootCA(name string, vaildFor time.Duration, rsaBits int, certDir string, portable bool) (*RootCA, error) {
	keyFile := name + ".key"
	certFile := name + ".crt"

	var store storage.Store
	if portable {
		exe, err := os.Executable()
		if err != nil {
			glog.Fatalf("os.Executable() error: %+v", err)
		}
		store = &storage.FileStore{filepath.Dir(exe)}
	} else {
		store = &storage.FileStore{"."}
	}

	rootCA := &RootCA{
		store:    store,
		name:     name,
		keyFile:  keyFile,
		certFile: certFile,
		rsaBits:  rsaBits,
		certDir:  certDir,
		mu:       new(sync.Mutex),
	}

	if storage.NotExist(store, certFile) {
		glog.Infof("Generating RootCA for %s/%s", keyFile, certFile)
		template := x509.Certificate{
			IsCA:         true,
			SerialNumber: big.NewInt(1),
			Subject: pkix.Name{
				CommonName:   name,
				Country:      []string{"US"},
				Province:     []string{"California"},
				Locality:     []string{"Los Angeles"},
				Organization: []string{name},
				ExtraNames: []pkix.AttributeTypeAndValue{
					{
						Type:  []int{2, 5, 4, 42},
						Value: name,
					},
				},
			},
			DNSNames: []string{name},

			NotBefore: time.Now().Add(-time.Duration(30 * 24 * time.Hour)),
			NotAfter:  time.Now().Add(vaildFor),

			KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
			ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
			BasicConstraintsValid: true,
			// AuthorityKeyId:        sha1.New().Sum([]byte("phuslu")),
			// SubjectKeyId:          sha1.New().Sum([]byte("phuslu")),
		}

		priv, err := rsa.GenerateKey(rand.Reader, rsaBits)
		if err != nil {
			return nil, err
		}

		derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
		if err != nil {
			return nil, err
		}

		ca, err := x509.ParseCertificate(derBytes)
		if err != nil {
			return nil, err
		}

		rootCA.ca = ca
		rootCA.priv = priv
		rootCA.derBytes = derBytes

		keypem := &pem.Block{Type: "PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(rootCA.priv)}
		rc := ioutil.NopCloser(bytes.NewReader(pem.EncodeToMemory(keypem)))
		if _, err = store.Put(keyFile, http.Header{}, rc); err != nil {
			return nil, err
		}

		certpem := &pem.Block{Type: "CERTIFICATE", Bytes: rootCA.derBytes}
		rc = ioutil.NopCloser(bytes.NewReader(pem.EncodeToMemory(certpem)))
		if _, err = store.Put(certFile, http.Header{}, rc); err != nil {
			return nil, err
		}
	} else {
		for _, name := range []string{keyFile, certFile} {
			resp, err := store.Get(name)
			if err != nil {
				return nil, err
			}

			data, err := ioutil.ReadAll(resp.Body)
			resp.Body.Close()
			if err != nil {
				return nil, err
			}

			var b *pem.Block
			for {
				b, data = pem.Decode(data)
				if b == nil {
					break
				}
				switch b.Type {
				case "CERTIFICATE":
					rootCA.derBytes = b.Bytes
					ca, err := x509.ParseCertificate(rootCA.derBytes)
					if err != nil {
						return nil, err
					}
					rootCA.ca = ca
				case "PRIVATE KEY", "PRIVATE RSA KEY":
					priv, err := x509.ParsePKCS1PrivateKey(b.Bytes)
					if err != nil {
						return nil, err
					}
					rootCA.priv = priv
				}
			}
		}
	}

	switch runtime.GOOS {
	case "windows", "darwin":
		if _, err := rootCA.ca.Verify(x509.VerifyOptions{}); err != nil {
			glog.Warningf("Verify RootCA(%#v) error: %v, try import to system root", name, err)
			if err = helpers.RemoveCAFromSystemRoot(rootCA.name); err != nil {
				glog.Errorf("Remove Old RootCA(%#v) error: %v", name, err)
			}
			if err = helpers.ImportCAToSystemRoot(rootCA.ca); err != nil {
				glog.Errorf("Import RootCA(%#v) error: %v", name, err)
			} else {
				glog.Infof("Import RootCA(%s) OK", certFile)
			}

			if fs, err := store.List(certDir); err == nil {
				for _, f := range fs {
					if _, err = store.Delete(f); err != nil {
						glog.Errorf("%T.Delete(%#v) error: %v", store, f, err)
					}
				}
			}
		}
	}

	if fs, ok := store.(*storage.FileStore); ok {
		if storage.NotExist(store, certDir) {
			if err := os.Mkdir(filepath.Join(fs.Dirname, certDir), 0777); err != nil {
				return nil, err
			}
		}
	}

	return rootCA, nil
}