forked from forgejo/forgejo
fix subrepo break change
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216f0477b5
60 changed files with 15372 additions and 1 deletions
306
modules/crypto/ssh/keys_test.go
Executable file
306
modules/crypto/ssh/keys_test.go
Executable file
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@ -0,0 +1,306 @@
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ssh
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import (
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"bytes"
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"crypto/dsa"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/rsa"
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"encoding/base64"
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"fmt"
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"reflect"
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"strings"
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"testing"
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"github.com/gogits/gogs/modules/ssh/testdata"
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)
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func rawKey(pub PublicKey) interface{} {
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switch k := pub.(type) {
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case *rsaPublicKey:
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return (*rsa.PublicKey)(k)
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case *dsaPublicKey:
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return (*dsa.PublicKey)(k)
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case *ecdsaPublicKey:
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return (*ecdsa.PublicKey)(k)
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case *Certificate:
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return k
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}
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panic("unknown key type")
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}
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func TestKeyMarshalParse(t *testing.T) {
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for _, priv := range testSigners {
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pub := priv.PublicKey()
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roundtrip, err := ParsePublicKey(pub.Marshal())
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if err != nil {
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t.Errorf("ParsePublicKey(%T): %v", pub, err)
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}
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k1 := rawKey(pub)
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k2 := rawKey(roundtrip)
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if !reflect.DeepEqual(k1, k2) {
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t.Errorf("got %#v in roundtrip, want %#v", k2, k1)
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}
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}
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}
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func TestUnsupportedCurves(t *testing.T) {
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raw, err := ecdsa.GenerateKey(elliptic.P224(), rand.Reader)
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if err != nil {
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t.Fatalf("GenerateKey: %v", err)
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}
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if _, err = NewSignerFromKey(raw); err == nil || !strings.Contains(err.Error(), "only P256") {
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t.Fatalf("NewPrivateKey should not succeed with P224, got: %v", err)
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}
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if _, err = NewPublicKey(&raw.PublicKey); err == nil || !strings.Contains(err.Error(), "only P256") {
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t.Fatalf("NewPublicKey should not succeed with P224, got: %v", err)
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}
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}
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func TestNewPublicKey(t *testing.T) {
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for _, k := range testSigners {
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raw := rawKey(k.PublicKey())
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// Skip certificates, as NewPublicKey does not support them.
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if _, ok := raw.(*Certificate); ok {
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continue
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}
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pub, err := NewPublicKey(raw)
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if err != nil {
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t.Errorf("NewPublicKey(%#v): %v", raw, err)
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}
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if !reflect.DeepEqual(k.PublicKey(), pub) {
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t.Errorf("NewPublicKey(%#v) = %#v, want %#v", raw, pub, k.PublicKey())
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}
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}
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}
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func TestKeySignVerify(t *testing.T) {
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for _, priv := range testSigners {
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pub := priv.PublicKey()
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data := []byte("sign me")
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sig, err := priv.Sign(rand.Reader, data)
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if err != nil {
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t.Fatalf("Sign(%T): %v", priv, err)
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}
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if err := pub.Verify(data, sig); err != nil {
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t.Errorf("publicKey.Verify(%T): %v", priv, err)
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}
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sig.Blob[5]++
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if err := pub.Verify(data, sig); err == nil {
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t.Errorf("publicKey.Verify on broken sig did not fail")
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}
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}
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}
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func TestParseRSAPrivateKey(t *testing.T) {
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key := testPrivateKeys["rsa"]
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rsa, ok := key.(*rsa.PrivateKey)
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if !ok {
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t.Fatalf("got %T, want *rsa.PrivateKey", rsa)
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}
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if err := rsa.Validate(); err != nil {
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t.Errorf("Validate: %v", err)
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}
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}
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func TestParseECPrivateKey(t *testing.T) {
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key := testPrivateKeys["ecdsa"]
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ecKey, ok := key.(*ecdsa.PrivateKey)
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if !ok {
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t.Fatalf("got %T, want *ecdsa.PrivateKey", ecKey)
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}
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if !validateECPublicKey(ecKey.Curve, ecKey.X, ecKey.Y) {
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t.Fatalf("public key does not validate.")
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}
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}
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func TestParseDSA(t *testing.T) {
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// We actually exercise the ParsePrivateKey codepath here, as opposed to
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// using the ParseRawPrivateKey+NewSignerFromKey path that testdata_test.go
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// uses.
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s, err := ParsePrivateKey(testdata.PEMBytes["dsa"])
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if err != nil {
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t.Fatalf("ParsePrivateKey returned error: %s", err)
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}
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data := []byte("sign me")
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sig, err := s.Sign(rand.Reader, data)
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if err != nil {
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t.Fatalf("dsa.Sign: %v", err)
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}
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if err := s.PublicKey().Verify(data, sig); err != nil {
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t.Errorf("Verify failed: %v", err)
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}
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}
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// Tests for authorized_keys parsing.
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// getTestKey returns a public key, and its base64 encoding.
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func getTestKey() (PublicKey, string) {
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k := testPublicKeys["rsa"]
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b := &bytes.Buffer{}
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e := base64.NewEncoder(base64.StdEncoding, b)
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e.Write(k.Marshal())
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e.Close()
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return k, b.String()
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}
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func TestMarshalParsePublicKey(t *testing.T) {
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pub, pubSerialized := getTestKey()
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line := fmt.Sprintf("%s %s user@host", pub.Type(), pubSerialized)
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authKeys := MarshalAuthorizedKey(pub)
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actualFields := strings.Fields(string(authKeys))
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if len(actualFields) == 0 {
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t.Fatalf("failed authKeys: %v", authKeys)
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}
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// drop the comment
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expectedFields := strings.Fields(line)[0:2]
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if !reflect.DeepEqual(actualFields, expectedFields) {
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t.Errorf("got %v, expected %v", actualFields, expectedFields)
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}
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actPub, _, _, _, err := ParseAuthorizedKey([]byte(line))
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if err != nil {
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t.Fatalf("cannot parse %v: %v", line, err)
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}
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if !reflect.DeepEqual(actPub, pub) {
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t.Errorf("got %v, expected %v", actPub, pub)
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}
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}
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type authResult struct {
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pubKey PublicKey
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options []string
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comments string
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rest string
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ok bool
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}
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func testAuthorizedKeys(t *testing.T, authKeys []byte, expected []authResult) {
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rest := authKeys
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var values []authResult
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for len(rest) > 0 {
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var r authResult
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var err error
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r.pubKey, r.comments, r.options, rest, err = ParseAuthorizedKey(rest)
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r.ok = (err == nil)
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t.Log(err)
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r.rest = string(rest)
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values = append(values, r)
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}
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if !reflect.DeepEqual(values, expected) {
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t.Errorf("got %#v, expected %#v", values, expected)
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}
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}
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func TestAuthorizedKeyBasic(t *testing.T) {
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pub, pubSerialized := getTestKey()
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line := "ssh-rsa " + pubSerialized + " user@host"
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testAuthorizedKeys(t, []byte(line),
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[]authResult{
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{pub, nil, "user@host", "", true},
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})
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}
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func TestAuth(t *testing.T) {
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pub, pubSerialized := getTestKey()
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authWithOptions := []string{
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`# comments to ignore before any keys...`,
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``,
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`env="HOME=/home/root",no-port-forwarding ssh-rsa ` + pubSerialized + ` user@host`,
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`# comments to ignore, along with a blank line`,
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``,
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`env="HOME=/home/root2" ssh-rsa ` + pubSerialized + ` user2@host2`,
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``,
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`# more comments, plus a invalid entry`,
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`ssh-rsa data-that-will-not-parse user@host3`,
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}
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for _, eol := range []string{"\n", "\r\n"} {
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authOptions := strings.Join(authWithOptions, eol)
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rest2 := strings.Join(authWithOptions[3:], eol)
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rest3 := strings.Join(authWithOptions[6:], eol)
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testAuthorizedKeys(t, []byte(authOptions), []authResult{
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{pub, []string{`env="HOME=/home/root"`, "no-port-forwarding"}, "user@host", rest2, true},
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{pub, []string{`env="HOME=/home/root2"`}, "user2@host2", rest3, true},
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{nil, nil, "", "", false},
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})
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}
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}
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func TestAuthWithQuotedSpaceInEnv(t *testing.T) {
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pub, pubSerialized := getTestKey()
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authWithQuotedSpaceInEnv := []byte(`env="HOME=/home/root dir",no-port-forwarding ssh-rsa ` + pubSerialized + ` user@host`)
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testAuthorizedKeys(t, []byte(authWithQuotedSpaceInEnv), []authResult{
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{pub, []string{`env="HOME=/home/root dir"`, "no-port-forwarding"}, "user@host", "", true},
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})
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}
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func TestAuthWithQuotedCommaInEnv(t *testing.T) {
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pub, pubSerialized := getTestKey()
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authWithQuotedCommaInEnv := []byte(`env="HOME=/home/root,dir",no-port-forwarding ssh-rsa ` + pubSerialized + ` user@host`)
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testAuthorizedKeys(t, []byte(authWithQuotedCommaInEnv), []authResult{
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{pub, []string{`env="HOME=/home/root,dir"`, "no-port-forwarding"}, "user@host", "", true},
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})
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}
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func TestAuthWithQuotedQuoteInEnv(t *testing.T) {
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pub, pubSerialized := getTestKey()
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authWithQuotedQuoteInEnv := []byte(`env="HOME=/home/\"root dir",no-port-forwarding` + "\t" + `ssh-rsa` + "\t" + pubSerialized + ` user@host`)
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authWithDoubleQuotedQuote := []byte(`no-port-forwarding,env="HOME=/home/ \"root dir\"" ssh-rsa ` + pubSerialized + "\t" + `user@host`)
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testAuthorizedKeys(t, []byte(authWithQuotedQuoteInEnv), []authResult{
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{pub, []string{`env="HOME=/home/\"root dir"`, "no-port-forwarding"}, "user@host", "", true},
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})
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testAuthorizedKeys(t, []byte(authWithDoubleQuotedQuote), []authResult{
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{pub, []string{"no-port-forwarding", `env="HOME=/home/ \"root dir\""`}, "user@host", "", true},
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})
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}
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func TestAuthWithInvalidSpace(t *testing.T) {
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_, pubSerialized := getTestKey()
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authWithInvalidSpace := []byte(`env="HOME=/home/root dir", no-port-forwarding ssh-rsa ` + pubSerialized + ` user@host
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#more to follow but still no valid keys`)
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testAuthorizedKeys(t, []byte(authWithInvalidSpace), []authResult{
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{nil, nil, "", "", false},
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})
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}
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func TestAuthWithMissingQuote(t *testing.T) {
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pub, pubSerialized := getTestKey()
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authWithMissingQuote := []byte(`env="HOME=/home/root,no-port-forwarding ssh-rsa ` + pubSerialized + ` user@host
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env="HOME=/home/root",shared-control ssh-rsa ` + pubSerialized + ` user@host`)
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testAuthorizedKeys(t, []byte(authWithMissingQuote), []authResult{
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{pub, []string{`env="HOME=/home/root"`, `shared-control`}, "user@host", "", true},
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})
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}
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func TestInvalidEntry(t *testing.T) {
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authInvalid := []byte(`ssh-rsa`)
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_, _, _, _, err := ParseAuthorizedKey(authInvalid)
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if err == nil {
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t.Errorf("got valid entry for %q", authInvalid)
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}
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}
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