rune/libenclave: Support to IAS remote attestation when Enclave Runtime started.

Signed-off-by: NYilin Li <YiLin.Li@linux.alibaba.com>

rune/libenclave/internal/runtime/core/core.go

@@ -25,7 +25,7 @@ func (pal *enclaveRuntimeCore) Init(args string, logLevel string) (err error) {
 	return fmt.Errorf("enclave runtime core Init() unimplemented")
 }
 
-func (pal *enclaveRuntimeCore) Attest() (err error) {
+func (pal *enclaveRuntimeCore) Attest(string, string, uint32, uint32) (err error) {
 	return fmt.Errorf("enclave runtime core Attest() unimplemented")
 }
 

rune/libenclave/internal/runtime/enclave_runtime.go

@@ -13,7 +13,7 @@ import (
 type EnclaveRuntime interface {
 	Load(path string) error
 	Init(args string, logLevel string) error
-	Attest() error
+	Attest(string, string, uint32, uint32) error
 	Exec(cmd []string, envp []string, stdio [3]*os.File) (int32, error)
 	Kill(sig int, pid int) error
 	Destroy() error
@@ -56,10 +56,10 @@ func StartInitialization(config *configs.InitEnclaveConfig, logLevel string) (*E
 	return rt, nil
 }
 
-func (rt *EnclaveRuntimeWrapper) LaunchAttestation() error {
+func (rt *EnclaveRuntimeWrapper) LaunchAttestation(spid string, subscriptionKey string, product uint32, quoteType uint32) error {
 	logrus.Debugf("attesting enclave runtime")
 
-	return rt.runtime.Attest()
+	return rt.runtime.Attest(spid, subscriptionKey, product, quoteType)
 }
 
 func (rt *EnclaveRuntimeWrapper) ExecutePayload(cmd []string, envp []string, stdio [3]*os.File) (int32, error) {

rune/libenclave/internal/runtime/pal/pal_linux.go

 package enclave_runtime_pal // import "github.com/opencontainers/runc/libenclave/internal/runtime/pal"
 
+import "C"
+
 import (
+	"encoding/binary"
 	"fmt"
+	"github.com/go-restruct/restruct"
+	"github.com/opencontainers/runc/libenclave/attestation"
+	"github.com/opencontainers/runc/libenclave/attestation/sgx"
+	_ "github.com/opencontainers/runc/libenclave/attestation/sgx/ias"
+	"github.com/opencontainers/runc/libenclave/intelsgx"
+	"log"
 	"os"
 )
 
@@ -31,10 +40,6 @@ func (pal *enclaveRuntimePal) Init(args string, logLevel string) error {
 	return api.init(args, logLevel)
 }
 
-func (pal *enclaveRuntimePal) Attest() (err error) {
-	return nil
-}
-
 func (pal *enclaveRuntimePal) Exec(cmd []string, envp []string, stdio [3]*os.File) (int32, error) {
 	if pal.version == 1 {
 		api := &enclaveRuntimePalApiV1{}
@@ -67,3 +72,79 @@ func (pal *enclaveRuntimePal) GetLocalReport(targetInfo []byte) ([]byte, error)
 
 	return nil, fmt.Errorf("unsupported pal api version %d", pal.version)
 }
+
+func parseAttestParameters(spid string, subscriptionKey string, product uint32) map[string]string {
+	p := make(map[string]string)
+
+	p["spid"] = spid
+	p["subscription-key"] = subscriptionKey
+	if product == sgx.ProductEnclave {
+		p["service-class"] = "product"
+	} else if product == sgx.DebugEnclave {
+		p["service-class"] = "dev"
+	}
+
+	return p
+}
+
+func (pal *enclaveRuntimePal) Attest(spid string, subscriptionKey string, product uint32, quoteType uint32) (err error) {
+	if pal.GetLocalReport == nil {
+		return nil
+	}
+
+	targetInfo, err := intelsgx.GetQeTargetInfo()
+	if err != nil {
+		return err
+	}
+
+	if len(targetInfo) != intelsgx.TargetinfoLength {
+		return fmt.Errorf("len(targetInfo) is not %d, but %d", intelsgx.TargetinfoLength, len(targetInfo))
+	}
+
+	// get local report of SGX
+	report, err := pal.GetLocalReport(targetInfo)
+	if err != nil {
+		return err
+	}
+	if len(report) != intelsgx.ReportLength {
+		return fmt.Errorf("len(report) is not %d, but %d", intelsgx.ReportLength, len(report))
+	}
+
+	// get quote from QE(aesmd)
+	linkable := false
+	if quoteType == intelsgx.QuoteSignatureTypeLinkable {
+		linkable = true
+	}
+	quote, err := intelsgx.GetQuote(report, spid, linkable)
+	if err != nil {
+		return err
+	}
+
+	q := &intelsgx.Quote{}
+	if err := restruct.Unpack(quote, binary.LittleEndian, &q); err != nil {
+		return err
+	}
+
+	// get IAS remote attestation report
+	var verbose bool = true
+	p := parseAttestParameters(spid, subscriptionKey, product)
+	svc, err := attestation.NewService(p, verbose)
+	if err != nil {
+		log.Fatal(err)
+		return err
+	}
+
+	if err = svc.Check(quote); err != nil {
+		log.Fatal(err)
+		return err
+	}
+
+	status := svc.Verify(quote)
+	if status.ErrorMessage != "" {
+		return fmt.Errorf("%s", status.ErrorMessage)
+	}
+
+	svc.ShowStatus(status)
+
+	return nil
+}

rune/libenclave/runelet.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/opencontainers/runc/libcontainer/utils"
+	"github.com/opencontainers/runc/libenclave/attestation/sgx"
 	"github.com/opencontainers/runc/libenclave/configs"
 	"github.com/opencontainers/runc/libenclave/internal/runtime"
 	pb "github.com/opencontainers/runc/libenclave/proto"
@@ -68,9 +69,11 @@ func StartInitialization(cmd []string, cfg *RuneletConfig) (exitCode int32, err
 		}
 
 		// Launch a remote attestation to the enclave runtime.
-		if err = rt.LaunchAttestation(); err != nil {
+		if config.RaType == sgx.EPID {
+			if err = rt.LaunchAttestation(config.RaEpidSpid, config.RaEpidSubscriptionKey, config.IsProductEnclave, config.RaEpidIsLinkable); err != nil {
 				return 1, err
 			}
+		}
 		if err = readSync(initPipe, procEnclaveReady); err != nil {
 			return 1, err
 		}