func (s *SnapKeysSuite) TestExportKeyAccount(c *C) {
rootPrivKey, _ := assertstest.GenerateKey(1024)
storePrivKey, _ := assertstest.GenerateKey(752)
storeSigning := assertstest.NewStoreStack("canonical", rootPrivKey, storePrivKey)
manager := asserts.NewGPGKeypairManager()
assertstest.NewAccount(storeSigning, "developer1", nil, "")
rest, err := snap.Parser().ParseArgs([]string{"export-key", "another", "--account=developer1"})
c.Assert(err, IsNil)
c.Assert(rest, DeepEquals, []string{})
assertion, err := asserts.Decode(s.stdout.Bytes())
c.Assert(err, IsNil)
c.Check(assertion.Type(), Equals, asserts.AccountKeyRequestType)
c.Check(assertion.Revision(), Equals, 0)
c.Check(assertion.HeaderString("account-id"), Equals, "developer1")
c.Check(assertion.HeaderString("name"), Equals, "another")
c.Check(assertion.HeaderString("public-key-sha3-384"), Equals, "DVQf1U4mIsuzlQqAebjjTPYtYJ-GEhJy0REuj3zvpQYTZ7EJj7adBxIXLJ7Vmk3L")
since, err := time.Parse(time.RFC3339, assertion.HeaderString("since"))
c.Assert(err, IsNil)
zone, offset := since.Zone()
c.Check(zone, Equals, "UTC")
c.Check(offset, Equals, 0)
c.Check(s.Stderr(), Equals, "")
privKey, err := manager.Get(assertion.HeaderString("public-key-sha3-384"))
c.Assert(err, IsNil)
err = asserts.SignatureCheck(assertion, privKey.PublicKey())
c.Assert(err, IsNil)
}
func (ss *serialSuite) TestDeviceSessionRequest(c *C) {
ts := time.Now().UTC().Round(time.Second)
sessReq, err := asserts.SignWithoutAuthority(asserts.DeviceSessionRequestType,
map[string]interface{}{
"brand-id": "brand-id1",
"model": "baz-3000",
"serial": "99990",
"nonce": "NONCE",
"timestamp": ts.Format(time.RFC3339),
}, nil, ss.deviceKey)
c.Assert(err, IsNil)
// roundtrip
a, err := asserts.Decode(asserts.Encode(sessReq))
c.Assert(err, IsNil)
sessReq2, ok := a.(*asserts.DeviceSessionRequest)
c.Assert(ok, Equals, true)
// standalone signature check
err = asserts.SignatureCheck(sessReq2, ss.deviceKey.PublicKey())
c.Check(err, IsNil)
c.Check(sessReq2.BrandID(), Equals, "brand-id1")
c.Check(sessReq2.Model(), Equals, "baz-3000")
c.Check(sessReq2.Serial(), Equals, "99990")
c.Check(sessReq2.Nonce(), Equals, "NONCE")
c.Check(sessReq2.Timestamp().Equal(ts), Equals, true)
}
func (ss *serialSuite) TestSerialRequestHappy(c *C) {
sreq, err := asserts.SignWithoutAuthority(asserts.SerialRequestType,
map[string]interface{}{
"brand-id": "brand-id1",
"model": "baz-3000",
"device-key": ss.encodedDevKey,
"request-id": "REQID",
}, []byte("HW-DETAILS"), ss.deviceKey)
c.Assert(err, IsNil)
// roundtrip
a, err := asserts.Decode(asserts.Encode(sreq))
c.Assert(err, IsNil)
sreq2, ok := a.(*asserts.SerialRequest)
c.Assert(ok, Equals, true)
// standalone signature check
err = asserts.SignatureCheck(sreq2, sreq2.DeviceKey())
c.Check(err, IsNil)
c.Check(sreq2.BrandID(), Equals, "brand-id1")
c.Check(sreq2.Model(), Equals, "baz-3000")
c.Check(sreq2.RequestID(), Equals, "REQID")
c.Check(sreq2.Serial(), Equals, "")
}
func (ss *serialSuite) TestSignatureCheckError(c *C) {
sreq, err := asserts.SignWithoutAuthority(asserts.TestOnlyNoAuthorityType,
map[string]interface{}{
"hdr": "FOO",
}, nil, testPrivKey1)
c.Assert(err, IsNil)
err = asserts.SignatureCheck(sreq, testPrivKey2.PublicKey())
c.Check(err, ErrorMatches, `failed signature verification:.*`)
}
func (s *deviceMgrSuite) mockServer(c *C, reqID string) *httptest.Server {
var mu sync.Mutex
count := 0
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/identity/api/v1/request-id":
w.WriteHeader(http.StatusOK)
io.WriteString(w, fmt.Sprintf(`{"request-id": "%s"}`, reqID))
case "/identity/api/v1/serial":
c.Check(r.Header.Get("X-Extra-Header"), Equals, "extra")
fallthrough
case "/identity/api/v1/devices":
mu.Lock()
serialNum := 9999 + count
count++
mu.Unlock()
b, err := ioutil.ReadAll(r.Body)
c.Assert(err, IsNil)
a, err := asserts.Decode(b)
c.Assert(err, IsNil)
serialReq, ok := a.(*asserts.SerialRequest)
c.Assert(ok, Equals, true)
err = asserts.SignatureCheck(serialReq, serialReq.DeviceKey())
c.Assert(err, IsNil)
c.Check(serialReq.BrandID(), Equals, "canonical")
c.Check(serialReq.Model(), Equals, "pc")
if reqID == "REQID-POLL" && serialNum != 10002 {
w.WriteHeader(http.StatusAccepted)
return
}
serialStr := fmt.Sprintf("%d", serialNum)
if serialReq.Serial() != "" {
// use proposed serial
serialStr = serialReq.Serial()
}
serial, err := s.storeSigning.Sign(asserts.SerialType, map[string]interface{}{
"brand-id": "canonical",
"model": "pc",
"serial": serialStr,
"device-key": serialReq.HeaderString("device-key"),
"device-key-sha3-384": serialReq.SignKeyID(),
"timestamp": time.Now().Format(time.RFC3339),
}, serialReq.Body(), "")
c.Assert(err, IsNil)
w.Header().Set("Content-Type", asserts.MediaType)
w.WriteHeader(http.StatusOK)
w.Write(asserts.Encode(serial))
}
}))
}
func (s *deviceMgrSuite) TestDeviceAssertionsDeviceSessionRequest(c *C) {
// nothing there
_, _, err := s.mgr.DeviceSessionRequest("NONCE-1")
c.Check(err, Equals, state.ErrNoState)
// setup state as done by device initialisation
s.state.Lock()
devKey, _ := assertstest.GenerateKey(1024)
encDevKey, err := asserts.EncodePublicKey(devKey.PublicKey())
c.Check(err, IsNil)
seriala, err := s.storeSigning.Sign(asserts.SerialType, map[string]interface{}{
"brand-id": "canonical",
"model": "pc",
"serial": "8989",
"device-key": string(encDevKey),
"device-key-sha3-384": devKey.PublicKey().ID(),
"timestamp": time.Now().Format(time.RFC3339),
}, nil, "")
c.Assert(err, IsNil)
err = assertstate.Add(s.state, seriala)
c.Assert(err, IsNil)
auth.SetDevice(s.state, &auth.DeviceState{
Brand: "canonical",
Model: "pc",
Serial: "8989",
KeyID: devKey.PublicKey().ID(),
})
s.mgr.KeypairManager().Put(devKey)
s.state.Unlock()
sessReq, serial, err := s.mgr.DeviceSessionRequest("NONCE-1")
c.Assert(err, IsNil)
c.Check(serial.Serial(), Equals, "8989")
// correctly signed with device key
err = asserts.SignatureCheck(sessReq, devKey.PublicKey())
c.Check(err, IsNil)
c.Check(sessReq.BrandID(), Equals, "canonical")
c.Check(sessReq.Model(), Equals, "pc")
c.Check(sessReq.Serial(), Equals, "8989")
c.Check(sessReq.Nonce(), Equals, "NONCE-1")
}
func (ss *serialSuite) TestSerialProofHappy(c *C) {
sproof, err := asserts.SignWithoutAuthority(asserts.SerialProofType,
map[string]interface{}{
"nonce": "NONCE",
}, nil, ss.deviceKey)
c.Assert(err, IsNil)
// roundtrip
a, err := asserts.Decode(asserts.Encode(sproof))
c.Assert(err, IsNil)
sproof2, ok := a.(*asserts.SerialProof)
c.Assert(ok, Equals, true)
// standalone signature check
err = asserts.SignatureCheck(sproof2, ss.deviceKey.PublicKey())
c.Check(err, IsNil)
c.Check(sproof2.Nonce(), Equals, "NONCE")
}
func handle(w http.ResponseWriter, r *http.Request) {
switch r.URL.Path {
case "/request-id":
w.WriteHeader(http.StatusOK)
io.WriteString(w, fmt.Sprintf(`{"request-id": "REQ-ID"}`))
case "/serial":
db, err := asserts.OpenDatabase(&asserts.DatabaseConfig{})
if err != nil {
internalError(w, "cannot open signing db: %v", err)
return
}
err = db.ImportKey(devPrivKey)
if err != nil {
internalError(w, "cannot import signing key: %v", err)
return
}
b, err := ioutil.ReadAll(r.Body)
if err != nil {
internalError(w, "cannot read request: %v", err)
return
}
a, err := asserts.Decode(b)
if err != nil {
badRequestError(w, "cannot decode request: %v", err)
return
}
serialReq, ok := a.(*asserts.SerialRequest)
if !ok {
badRequestError(w, "request is not a serial-request")
return
}
err = asserts.SignatureCheck(serialReq, serialReq.DeviceKey())
if err != nil {
badRequestError(w, "bad serial-request: %v", err)
return
}
serialStr := "7777"
if r.Header.Get("X-Use-Proposed") == "yes" {
// use proposed serial
serialStr = serialReq.Serial()
}
serial, err := db.Sign(asserts.SerialType, map[string]interface{}{
"authority-id": "developer1",
"brand-id": "developer1",
"model": serialReq.Model(),
"serial": serialStr,
"device-key": serialReq.HeaderString("device-key"),
"device-key-sha3-384": serialReq.SignKeyID(),
"timestamp": time.Now().Format(time.RFC3339),
}, serialReq.Body(), devPrivKey.PublicKey().ID())
if err != nil {
internalError(w, "cannot sign serial: %v", err)
return
}
w.Header().Set("Content-Type", asserts.MediaType)
w.WriteHeader(http.StatusOK)
w.Write(asserts.Encode(serial))
}
}
