Secret Management Service

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package auth
-
-import (
-        "bytes"
-        "crypto"
-        "crypto/tls"
-        "crypto/x509"
-        "encoding/base64"
-        "golang.org/x/crypto/openpgp"
-        "golang.org/x/crypto/openpgp/packet"
-        "io/ioutil"
-
-        smslogger "sms/log"
-)
-
-// GetTLSConfig initializes a tlsConfig using the CA's certificate
-// This config is then used to enable the server for mutual TLS
-func GetTLSConfig(caCertFile string) (*tls.Config, error) {
-
-        // Initialize tlsConfig once
-        caCert, err := ioutil.ReadFile(caCertFile)
-
-        if err != nil {
-                return nil, err
-        }
-
-        caCertPool := x509.NewCertPool()
-        caCertPool.AppendCertsFromPEM(caCert)
-
-        tlsConfig := &tls.Config{
-                // Change to RequireAndVerify once we have mandatory certs
-                ClientAuth: tls.VerifyClientCertIfGiven,
-                ClientCAs:  caCertPool,
-                MinVersion: tls.VersionTLS12,
-        }
-        tlsConfig.BuildNameToCertificate()
-        return tlsConfig, nil
-}
-
-// GeneratePGPKeyPair produces a PGP key pair and returns
-// two things:
-// A base64 encoded form of the public part of the entity
-// A base64 encoded form of the private key
-func GeneratePGPKeyPair() (string, string, error) {
-
-        var entity *openpgp.Entity
-        config := &packet.Config{
-                DefaultHash: crypto.SHA256,
-        }
-
-        entity, err := openpgp.NewEntity("aaf.sms.init", "PGP Key for unsealing", "", config)
-        if smslogger.CheckError(err, "Create Entity") != nil {
-                return "", "", err
-        }
-
-        // Sign the identity in the entity
-        for _, id := range entity.Identities {
-                err = id.SelfSignature.SignUserId(id.UserId.Id, entity.PrimaryKey, entity.PrivateKey, nil)
-                if smslogger.CheckError(err, "Sign Entity") != nil {
-                        return "", "", err
-                }
-        }
-
-        // Sign the subkey in the entity
-        for _, subkey := range entity.Subkeys {
-                err := subkey.Sig.SignKey(subkey.PublicKey, entity.PrivateKey, nil)
-                if smslogger.CheckError(err, "Sign Subkey") != nil {
-                        return "", "", err
-                }
-        }
-
-        buffer := new(bytes.Buffer)
-        entity.Serialize(buffer)
-        pbkey := base64.StdEncoding.EncodeToString(buffer.Bytes())
-
-        buffer.Reset()
-        entity.SerializePrivate(buffer, nil)
-        prkey := base64.StdEncoding.EncodeToString(buffer.Bytes())
-
-        return pbkey, prkey, nil
-}
-
-// EncryptPGPString takes data and a public key and encrypts using that
-// public key
-func EncryptPGPString(data string, pbKey string) (string, error) {
-
-        pbKeyBytes, err := base64.StdEncoding.DecodeString(pbKey)
-        if smslogger.CheckError(err, "Decoding Base64 Public Key") != nil {
-                return "", err
-        }
-
-        dataBytes := []byte(data)
-
-        pbEntity, err := openpgp.ReadEntity(packet.NewReader(bytes.NewBuffer(pbKeyBytes)))
-        if smslogger.CheckError(err, "Reading entity from PGP key") != nil {
-                return "", err
-        }
-
-        // encrypt string
-        buf := new(bytes.Buffer)
-        out, err := openpgp.Encrypt(buf, []*openpgp.Entity{pbEntity}, nil, nil, nil)
-        if smslogger.CheckError(err, "Creating Encryption Pipe") != nil {
-                return "", err
-        }
-
-        _, err = out.Write(dataBytes)
-        if smslogger.CheckError(err, "Writing to Encryption Pipe") != nil {
-                return "", err
-        }
-
-        err = out.Close()
-        if smslogger.CheckError(err, "Closing Encryption Pipe") != nil {
-                return "", err
-        }
-
-        crp := base64.StdEncoding.EncodeToString(buf.Bytes())
-        return crp, nil
-}
-
-// DecryptPGPString decrypts a PGP encoded input string and returns
-// a base64 representation of the decoded string
-func DecryptPGPString(data string, prKey string) (string, error) {
-
-        // Convert private key to bytes from base64
-        prKeyBytes, err := base64.StdEncoding.DecodeString(prKey)
-        if smslogger.CheckError(err, "Decoding Base64 Private Key") != nil {
-                return "", err
-        }
-
-        dataBytes, err := base64.StdEncoding.DecodeString(data)
-        if smslogger.CheckError(err, "Decoding base64 data") != nil {
-                return "", err
-        }
-
-        prEntity, err := openpgp.ReadEntity(packet.NewReader(bytes.NewBuffer(prKeyBytes)))
-        if smslogger.CheckError(err, "Read Entity") != nil {
-                return "", err
-        }
-
-        prEntityList := &openpgp.EntityList{prEntity}
-        message, err := openpgp.ReadMessage(bytes.NewBuffer(dataBytes), prEntityList, nil, nil)
-        if smslogger.CheckError(err, "Decrypting Message") != nil {
-                return "", err
-        }
-
-        var retBuf bytes.Buffer
-        retBuf.ReadFrom(message.UnverifiedBody)
-
-        return retBuf.String(), nil
-}
-
-// ReadFromFile reads a file and loads the PGP key into
-// a string
-func ReadFromFile(fileName string) (string, error) {
-
-        data, err := ioutil.ReadFile(fileName)
-        if smslogger.CheckError(err, "Read from file") != nil {
-                return "", err
-        }
-        return string(data), nil
-}
-
-// WriteToFile writes a PGP key into a file.
-// It will truncate the file if it exists
-func WriteToFile(data string, fileName string) error {
-
-        err := ioutil.WriteFile(fileName, []byte(data), 0600)
-        if smslogger.CheckError(err, "Write to file") != nil {
-                return err
-        }
-        return nil
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package backend
-
-import (
-        smsconfig "sms/config"
-        smslogger "sms/log"
-)
-
-// SecretDomain is where Secrets are stored.
-// A single domain can have any number of secrets
-type SecretDomain struct {
-        UUID string `json:"uuid"`
-        Name string `json:"name"`
-}
-
-// Secret is the struct that defines the structure of a secret
-// It consists of a name and map containing key value pairs
-type Secret struct {
-        Name   string                 `json:"name"`
-        Values map[string]interface{} `json:"values"`
-}
-
-// SecretBackend interface that will be implemented for various secret backends
-type SecretBackend interface {
-        Init() error
-        GetStatus() (bool, error)
-        Unseal(shard string) error
-        RegisterQuorum(pgpkey string) (string, error)
-
-        GetSecret(dom string, sec string) (Secret, error)
-        ListSecret(dom string) ([]string, error)
-
-        CreateSecretDomain(name string) (SecretDomain, error)
-        CreateSecret(dom string, sec Secret) error
-
-        DeleteSecretDomain(name string) error
-        DeleteSecret(dom string, name string) error
-}
-
-// InitSecretBackend returns an interface implementation
-func InitSecretBackend() (SecretBackend, error) {
-        backendImpl := &Vault{
-                vaultAddress: smsconfig.SMSConfig.BackendAddress,
-                vaultToken:   smsconfig.SMSConfig.VaultToken,
-        }
-
-        err := backendImpl.Init()
-        if smslogger.CheckError(err, "InitSecretBackend") != nil {
-                return nil, err
-        }
-
-        return backendImpl, nil
-}
-
-// LoginBackend Interface that will be implemented for various login backends
-type LoginBackend interface {
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package backend
-
-import (
-        uuid "github.com/hashicorp/go-uuid"
-        vaultapi "github.com/hashicorp/vault/api"
-        smsauth "sms/auth"
-        smslogger "sms/log"
-
-        "errors"
-        "fmt"
-        "strings"
-        "sync"
-        "time"
-)
-
-// Vault is the main Struct used in Backend to initialize the struct
-type Vault struct {
-        sync.Mutex
-        initRoleDone          bool
-        policyName            string
-        roleID                string
-        secretID              string
-        vaultAddress          string
-        vaultClient           *vaultapi.Client
-        vaultMountPrefix      string
-        internalDomain        string
-        internalDomainMounted bool
-        vaultTempTokenTTL     time.Time
-        vaultToken            string
-        shards                []string
-        prkey                 string
-}
-
-// initVaultClient will create the initial
-// Vault strcuture and populate it with the
-// right values and it will also create
-// a vault client
-func (v *Vault) initVaultClient() error {
-
-        vaultCFG := vaultapi.DefaultConfig()
-        vaultCFG.Address = v.vaultAddress
-        client, err := vaultapi.NewClient(vaultCFG)
-        if smslogger.CheckError(err, "Create new vault client") != nil {
-                return err
-        }
-
-        v.initRoleDone = false
-        v.policyName = "smsvaultpolicy"
-        v.vaultClient = client
-        v.vaultMountPrefix = "sms"
-        v.internalDomain = "smsinternaldomain"
-        v.internalDomainMounted = false
-        v.prkey = ""
-        return nil
-}
-
-// Init will initialize the vault connection
-// It will also initialize vault if it is not
-// already initialized.
-// The initial policy will also be created
-func (v *Vault) Init() error {
-
-        v.initVaultClient()
-        // Initialize vault if it is not already
-        // Returns immediately if it is initialized
-        v.initializeVault()
-
-        err := v.initRole()
-        if smslogger.CheckError(err, "InitRole First Attempt") != nil {
-                smslogger.WriteInfo("InitRole will try again later")
-        }
-
-        return nil
-}
-
-// GetStatus returns the current seal status of vault
-func (v *Vault) GetStatus() (bool, error) {
-
-        sys := v.vaultClient.Sys()
-        sealStatus, err := sys.SealStatus()
-        if smslogger.CheckError(err, "Getting Status") != nil {
-                return false, errors.New("Error getting status")
-        }
-
-        return sealStatus.Sealed, nil
-}
-
-// RegisterQuorum registers the PGP public key for a quorum client
-// We will return a shard to the client that is registering
-func (v *Vault) RegisterQuorum(pgpkey string) (string, error) {
-
-        v.Lock()
-        defer v.Unlock()
-
-        if v.shards == nil {
-                smslogger.WriteError("Invalid operation in RegisterQuorum")
-                return "", errors.New("Invalid operation")
-        }
-        // Pop the slice
-        var sh string
-        sh, v.shards = v.shards[len(v.shards)-1], v.shards[:len(v.shards)-1]
-        if len(v.shards) == 0 {
-                v.shards = nil
-        }
-
-        // Decrypt with SMS pgp Key
-        sh, _ = smsauth.DecryptPGPString(sh, v.prkey)
-        // Encrypt with Quorum client pgp key
-        sh, _ = smsauth.EncryptPGPString(sh, pgpkey)
-
-        return sh, nil
-}
-
-// Unseal is a passthrough API that allows any
-// unseal or initialization processes for the backend
-func (v *Vault) Unseal(shard string) error {
-
-        sys := v.vaultClient.Sys()
-        _, err := sys.Unseal(shard)
-        if smslogger.CheckError(err, "Unseal Operation") != nil {
-                return errors.New("Unable to execute unseal operation with specified shard")
-        }
-
-        return nil
-}
-
-// GetSecret returns a secret mounted on a particular domain name
-// The secret itself is referenced via its name which translates to
-// a mount path in vault
-func (v *Vault) GetSecret(dom string, name string) (Secret, error) {
-
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Tocken Check") != nil {
-                return Secret{}, errors.New("Token check failed")
-        }
-
-        dom = v.vaultMountPrefix + "/" + dom
-
-        sec, err := v.vaultClient.Logical().Read(dom + "/" + name)
-        if smslogger.CheckError(err, "Read Secret") != nil {
-                return Secret{}, errors.New("Unable to read Secret at provided path")
-        }
-
-        // sec and err are nil in the case where a path does not exist
-        if sec == nil {
-                smslogger.WriteWarn("Vault read was empty. Invalid Path")
-                return Secret{}, errors.New("Secret not found at the provided path")
-        }
-
-        return Secret{Name: name, Values: sec.Data}, nil
-}
-
-// ListSecret returns a list of secret names on a particular domain
-// The values of the secret are not returned
-func (v *Vault) ListSecret(dom string) ([]string, error) {
-
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return nil, errors.New("Token check failed")
-        }
-
-        dom = v.vaultMountPrefix + "/" + dom
-
-        sec, err := v.vaultClient.Logical().List(dom)
-        if smslogger.CheckError(err, "Read Secret") != nil {
-                return nil, errors.New("Unable to read Secret at provided path")
-        }
-
-        // sec and err are nil in the case where a path does not exist
-        if sec == nil {
-                smslogger.WriteWarn("Vaultclient returned empty data")
-                return nil, errors.New("Secret not found at the provided path")
-        }
-
-        val, ok := sec.Data["keys"].([]interface{})
-        if !ok {
-                smslogger.WriteError("Secret not found at the provided path")
-                return nil, errors.New("Secret not found at the provided path")
-        }
-
-        retval := make([]string, len(val))
-        for i, v := range val {
-                retval[i] = fmt.Sprint(v)
-        }
-
-        return retval, nil
-}
-
-// Mounts the internal Domain if its not already mounted
-func (v *Vault) mountInternalDomain(name string) error {
-
-        if v.internalDomainMounted {
-                return nil
-        }
-
-        name = strings.TrimSpace(name)
-        mountPath := v.vaultMountPrefix + "/" + name
-        mountInput := &vaultapi.MountInput{
-                Type:        "kv",
-                Description: "Mount point for domain: " + name,
-                Local:       false,
-                SealWrap:    false,
-                Config:      vaultapi.MountConfigInput{},
-        }
-
-        err := v.vaultClient.Sys().Mount(mountPath, mountInput)
-        if smslogger.CheckError(err, "Mount internal Domain") != nil {
-                if strings.Contains(err.Error(), "existing mount") {
-                        // It is already mounted
-                        v.internalDomainMounted = true
-                        return nil
-                }
-                // Ran into some other error mounting it.
-                return errors.New("Unable to mount internal Domain")
-        }
-
-        v.internalDomainMounted = true
-        return nil
-}
-
-// Stores the UUID created for secretdomain in vault
-// under v.vaultMountPrefix / smsinternal domain
-func (v *Vault) storeUUID(uuid string, name string) error {
-
-        // Check if token is still valid
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return errors.New("Token Check failed")
-        }
-
-        err = v.mountInternalDomain(v.internalDomain)
-        if smslogger.CheckError(err, "Mount Internal Domain") != nil {
-                return err
-        }
-
-        secret := Secret{
-                Name: name,
-                Values: map[string]interface{}{
-                        "uuid": uuid,
-                },
-        }
-
-        err = v.CreateSecret(v.internalDomain, secret)
-        if smslogger.CheckError(err, "Write UUID to domain") != nil {
-                return err
-        }
-
-        return nil
-}
-
-// CreateSecretDomain mounts the kv backend on a path with the given name
-func (v *Vault) CreateSecretDomain(name string) (SecretDomain, error) {
-
-        // Check if token is still valid
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return SecretDomain{}, errors.New("Token Check failed")
-        }
-
-        name = strings.TrimSpace(name)
-        mountPath := v.vaultMountPrefix + "/" + name
-        mountInput := &vaultapi.MountInput{
-                Type:        "kv",
-                Description: "Mount point for domain: " + name,
-                Local:       false,
-                SealWrap:    false,
-                Config:      vaultapi.MountConfigInput{},
-        }
-
-        err = v.vaultClient.Sys().Mount(mountPath, mountInput)
-        if smslogger.CheckError(err, "Create Domain") != nil {
-                return SecretDomain{}, errors.New("Unable to create Secret Domain")
-        }
-
-        uuid, _ := uuid.GenerateUUID()
-        err = v.storeUUID(uuid, name)
-        if smslogger.CheckError(err, "Store UUID") != nil {
-                // Mount was successful at this point.
-                // Rollback the mount operation since we could not
-                // store the UUID for the mount.
-                v.vaultClient.Sys().Unmount(mountPath)
-                return SecretDomain{}, errors.New("Unable to store Secret Domain UUID. Retry")
-        }
-
-        return SecretDomain{uuid, name}, nil
-}
-
-// CreateSecret creates a secret mounted on a particular domain name
-// The secret itself is mounted on a path specified by name
-func (v *Vault) CreateSecret(dom string, sec Secret) error {
-
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return errors.New("Token check failed")
-        }
-
-        dom = v.vaultMountPrefix + "/" + dom
-
-        // Vault return is empty on successful write
-        // TODO: Check if values is not empty
-        _, err = v.vaultClient.Logical().Write(dom+"/"+sec.Name, sec.Values)
-        if smslogger.CheckError(err, "Create Secret") != nil {
-                return errors.New("Unable to create Secret at provided path")
-        }
-
-        return nil
-}
-
-// DeleteSecretDomain deletes a secret domain which translates to
-// an unmount operation on the given path in Vault
-func (v *Vault) DeleteSecretDomain(name string) error {
-
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return errors.New("Token Check Failed")
-        }
-
-        name = strings.TrimSpace(name)
-        mountPath := v.vaultMountPrefix + "/" + name
-
-        err = v.vaultClient.Sys().Unmount(mountPath)
-        if smslogger.CheckError(err, "Delete Domain") != nil {
-                return errors.New("Unable to delete domain specified")
-        }
-
-        return nil
-}
-
-// DeleteSecret deletes a secret mounted on the path provided
-func (v *Vault) DeleteSecret(dom string, name string) error {
-
-        err := v.checkToken()
-        if smslogger.CheckError(err, "Token Check") != nil {
-                return errors.New("Token check failed")
-        }
-
-        dom = v.vaultMountPrefix + "/" + dom
-
-        // Vault return is empty on successful delete
-        _, err = v.vaultClient.Logical().Delete(dom + "/" + name)
-        if smslogger.CheckError(err, "Delete Secret") != nil {
-                return errors.New("Unable to delete Secret at provided path")
-        }
-
-        return nil
-}
-
-// initRole is called only once during SMS bring up
-// It initially creates a role and secret id associated with
-// that role. Later restarts will use the existing role-id
-// and secret-id stored on disk
-func (v *Vault) initRole() error {
-
-        if v.initRoleDone {
-                return nil
-        }
-
-        // Use the root token once here
-        v.vaultClient.SetToken(v.vaultToken)
-        defer v.vaultClient.ClearToken()
-
-        // Check if roleID and secretID has already been created
-        rID, error := smsauth.ReadFromFile("auth/role")
-        if error != nil {
-                smslogger.WriteWarn("Unable to find RoleID. Generating...")
-        } else {
-                sID, error := smsauth.ReadFromFile("auth/secret")
-                if error != nil {
-                        smslogger.WriteWarn("Unable to find secretID. Generating...")
-                } else {
-                        v.roleID = rID
-                        v.secretID = sID
-                        v.initRoleDone = true
-                        return nil
-                }
-        }
-
-        rules := `path "sms/*" { capabilities = ["create", "read", "update", "delete", "list"] }
-                        path "sys/mounts/sms*" { capabilities = ["update","delete","create"] }`
-        err := v.vaultClient.Sys().PutPolicy(v.policyName, rules)
-        if smslogger.CheckError(err, "Creating Policy") != nil {
-                return errors.New("Unable to create policy for approle creation")
-        }
-
-        //Check if applrole is mounted
-        authMounts, err := v.vaultClient.Sys().ListAuth()
-        if smslogger.CheckError(err, "Mount Auth Backend") != nil {
-                return errors.New("Unable to get mounted auth backends")
-        }
-
-        approleMounted := false
-        for k, v := range authMounts {
-                if v.Type == "approle" && k == "approle/" {
-                        approleMounted = true
-                        break
-                }
-        }
-
-        // Mount approle in case its not already mounted
-        if !approleMounted {
-                v.vaultClient.Sys().EnableAuth("approle", "approle", "")
-        }
-
-        rName := v.vaultMountPrefix + "-role"
-        data := map[string]interface{}{
-                "token_ttl": "60m",
-                "policies":  [2]string{"default", v.policyName},
-        }
-
-        // Create a role-id
-        v.vaultClient.Logical().Write("auth/approle/role/"+rName, data)
-        sec, err := v.vaultClient.Logical().Read("auth/approle/role/" + rName + "/role-id")
-        if smslogger.CheckError(err, "Create RoleID") != nil {
-                return errors.New("Unable to create role ID for approle")
-        }
-        v.roleID = sec.Data["role_id"].(string)
-
-        // Create a secret-id to go with it
-        sec, err = v.vaultClient.Logical().Write("auth/approle/role/"+rName+"/secret-id",
-                map[string]interface{}{})
-        if smslogger.CheckError(err, "Create SecretID") != nil {
-                return errors.New("Unable to create secret ID for role")
-        }
-
-        v.secretID = sec.Data["secret_id"].(string)
-        v.initRoleDone = true
-        /*
-        * Revoke the Root token.
-        * If a new Root Token is needed, it will need to be created
-        * using the unseal shards.
-         */
-        err = v.vaultClient.Auth().Token().RevokeSelf(v.vaultToken)
-        if smslogger.CheckError(err, "Revoke Root Token") != nil {
-                smslogger.WriteWarn("Unable to Revoke Token")
-        } else {
-                // Revoked successfully and clear it
-                v.vaultToken = ""
-        }
-
-        // Store the role-id and secret-id
-        // We will need this if SMS restarts
-        smsauth.WriteToFile(v.roleID, "auth/role")
-        smsauth.WriteToFile(v.secretID, "auth/secret")
-
-        return nil
-}
-
-// Function checkToken() gets called multiple times to create
-// temporary tokens
-func (v *Vault) checkToken() error {
-
-        v.Lock()
-        defer v.Unlock()
-
-        // Init Role if it is not yet done
-        // Role needs to be created before token can be created
-        err := v.initRole()
-        if err != nil {
-                smslogger.WriteError(err.Error())
-                return errors.New("Unable to initRole in checkToken")
-        }
-
-        // Return immediately if token still has life
-        if v.vaultClient.Token() != "" &&
-                time.Since(v.vaultTempTokenTTL) < time.Minute*50 {
-                return nil
-        }
-
-        // Create a temporary token using our roleID and secretID
-        out, err := v.vaultClient.Logical().Write("auth/approle/login",
-                map[string]interface{}{"role_id": v.roleID, "secret_id": v.secretID})
-        if smslogger.CheckError(err, "Create Temp Token") != nil {
-                return errors.New("Unable to create Temporary Token for Role")
-        }
-
-        tok, err := out.TokenID()
-
-        v.vaultTempTokenTTL = time.Now()
-        v.vaultClient.SetToken(tok)
-        return nil
-}
-
-// vaultInit() is used to initialize the vault in cases where it is not
-// initialized. This happens once during intial bring up.
-func (v *Vault) initializeVault() error {
-
-        // Check for vault init status and don't exit till it is initialized
-        for {
-                init, err := v.vaultClient.Sys().InitStatus()
-                if smslogger.CheckError(err, "Get Vault Init Status") != nil {
-                        smslogger.WriteInfo("Trying again in 10s...")
-                        time.Sleep(time.Second * 10)
-                        continue
-                }
-                // Did not get any error
-                if init == true {
-                        smslogger.WriteInfo("Vault is already Initialized")
-                        return nil
-                }
-
-                // init status is false
-                // break out of loop and finish initialization
-                smslogger.WriteInfo("Vault is not initialized. Initializing...")
-                break
-        }
-
-        // Hardcoded this to 3. We should make this configurable
-        // in the future
-        initReq := &vaultapi.InitRequest{
-                SecretShares:    3,
-                SecretThreshold: 3,
-        }
-
-        pbkey, prkey, err := smsauth.GeneratePGPKeyPair()
-
-        if smslogger.CheckError(err, "Generating PGP Keys") != nil {
-                smslogger.WriteError("Error Generating PGP Keys. Vault Init will not use encryption!")
-        } else {
-                initReq.PGPKeys = []string{pbkey, pbkey, pbkey}
-                initReq.RootTokenPGPKey = pbkey
-        }
-
-        resp, err := v.vaultClient.Sys().Init(initReq)
-        if smslogger.CheckError(err, "Initialize Vault") != nil {
-                return errors.New("FATAL: Unable to initialize Vault")
-        }
-
-        if resp != nil {
-                v.prkey = prkey
-                v.shards = resp.KeysB64
-                v.vaultToken, _ = smsauth.DecryptPGPString(resp.RootToken, prkey)
-                return nil
-        }
-
-        return errors.New("FATAL: Init response was empty")
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package config
-
-import (
-        "encoding/json"
-        "os"
-        smslogger "sms/log"
-)
-
-// SMSConfiguration loads up all the values that are used to configure
-// backend implementations
-// TODO: Review these and see if they can be created/discovered dynamically
-type SMSConfiguration struct {
-        CAFile     string `json:"cafile"`
-        ServerCert string `json:"servercert"`
-        ServerKey  string `json:"serverkey"`
-
-        BackendAddress            string `json:"smsdbaddress"`
-        VaultToken                string `json:"vaulttoken"`
-        DisableTLS                bool   `json:"disable_tls"`
-        BackendAddressEnvVariable string `json:"smsdburlenv"`
-}
-
-// SMSConfig is the structure that stores the configuration
-var SMSConfig *SMSConfiguration
-
-// ReadConfigFile reads the specified smsConfig file to setup some env variables
-func ReadConfigFile(file string) (*SMSConfiguration, error) {
-        if SMSConfig == nil {
-                f, err := os.Open(file)
-                if err != nil {
-                        return nil, err
-                }
-                defer f.Close()
-
-                // Default behaviour is to enable TLS
-                SMSConfig = &SMSConfiguration{DisableTLS: false}
-                decoder := json.NewDecoder(f)
-                err = decoder.Decode(SMSConfig)
-                if err != nil {
-                        return nil, err
-                }
-
-                if SMSConfig.BackendAddress == "" && SMSConfig.BackendAddressEnvVariable != "" {
-                        // Get the value from ENV variable
-                        smslogger.WriteInfo("Using Environment Variable: " + SMSConfig.BackendAddressEnvVariable)
-                        SMSConfig.BackendAddress = os.Getenv(SMSConfig.BackendAddressEnvVariable)
-                }
-        }
-
-        return SMSConfig, nil
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package handler
-
-import (
-        "encoding/json"
-        "github.com/gorilla/mux"
-        "net/http"
-
-        smsbackend "sms/backend"
-        smslogger "sms/log"
-)
-
-// handler stores two interface implementations that implement
-// the backend functionality
-type handler struct {
-        secretBackend smsbackend.SecretBackend
-        loginBackend  smsbackend.LoginBackend
-}
-
-// createSecretDomainHandler creates a secret domain with a name provided
-func (h handler) createSecretDomainHandler(w http.ResponseWriter, r *http.Request) {
-        var d smsbackend.SecretDomain
-
-        err := json.NewDecoder(r.Body).Decode(&d)
-        if smslogger.CheckError(err, "CreateSecretDomainHandler") != nil {
-                http.Error(w, err.Error(), http.StatusBadRequest)
-                return
-        }
-
-        dom, err := h.secretBackend.CreateSecretDomain(d.Name)
-        if smslogger.CheckError(err, "CreateSecretDomainHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        w.Header().Set("Content-Type", "application/json")
-        w.WriteHeader(http.StatusCreated)
-        err = json.NewEncoder(w).Encode(dom)
-        if smslogger.CheckError(err, "CreateSecretDomainHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// deleteSecretDomainHandler deletes a secret domain with the name provided
-func (h handler) deleteSecretDomainHandler(w http.ResponseWriter, r *http.Request) {
-        vars := mux.Vars(r)
-        domName := vars["domName"]
-
-        err := h.secretBackend.DeleteSecretDomain(domName)
-        if smslogger.CheckError(err, "DeleteSecretDomainHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        w.WriteHeader(http.StatusNoContent)
-}
-
-// createSecretHandler handles creation of secrets on a given domain name
-func (h handler) createSecretHandler(w http.ResponseWriter, r *http.Request) {
-        // Get domain name from URL
-        vars := mux.Vars(r)
-        domName := vars["domName"]
-
-        // Get secrets to be stored from body
-        var b smsbackend.Secret
-        err := json.NewDecoder(r.Body).Decode(&b)
-        if smslogger.CheckError(err, "CreateSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusBadRequest)
-                return
-        }
-
-        err = h.secretBackend.CreateSecret(domName, b)
-        if smslogger.CheckError(err, "CreateSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        w.WriteHeader(http.StatusCreated)
-}
-
-// getSecretHandler handles reading a secret by given domain name and secret name
-func (h handler) getSecretHandler(w http.ResponseWriter, r *http.Request) {
-        vars := mux.Vars(r)
-        domName := vars["domName"]
-        secName := vars["secretName"]
-
-        sec, err := h.secretBackend.GetSecret(domName, secName)
-        if smslogger.CheckError(err, "GetSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        w.Header().Set("Content-Type", "application/json")
-        err = json.NewEncoder(w).Encode(sec)
-        if smslogger.CheckError(err, "GetSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// listSecretHandler handles listing all secrets under a particular domain name
-func (h handler) listSecretHandler(w http.ResponseWriter, r *http.Request) {
-        vars := mux.Vars(r)
-        domName := vars["domName"]
-
-        secList, err := h.secretBackend.ListSecret(domName)
-        if smslogger.CheckError(err, "ListSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        // Creating an anonymous struct to store the returned list of data
-        var retStruct = struct {
-                SecretNames []string `json:"secretnames"`
-        }{
-                secList,
-        }
-
-        w.Header().Set("Content-Type", "application/json")
-        err = json.NewEncoder(w).Encode(retStruct)
-        if smslogger.CheckError(err, "ListSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// deleteSecretHandler handles deleting a secret by given domain name and secret name
-func (h handler) deleteSecretHandler(w http.ResponseWriter, r *http.Request) {
-        vars := mux.Vars(r)
-        domName := vars["domName"]
-        secName := vars["secretName"]
-
-        err := h.secretBackend.DeleteSecret(domName, secName)
-        if smslogger.CheckError(err, "DeleteSecretHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        w.WriteHeader(http.StatusNoContent)
-}
-
-// statusHandler returns information related to SMS and SMS backend services
-func (h handler) statusHandler(w http.ResponseWriter, r *http.Request) {
-        s, err := h.secretBackend.GetStatus()
-        if smslogger.CheckError(err, "StatusHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        status := struct {
-                Seal bool `json:"sealstatus"`
-        }{
-                s,
-        }
-
-        w.Header().Set("Content-Type", "application/json")
-        err = json.NewEncoder(w).Encode(status)
-        if smslogger.CheckError(err, "StatusHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// loginHandler handles login via password and username
-func (h handler) loginHandler(w http.ResponseWriter, r *http.Request) {
-
-}
-
-// unsealHandler is a pass through that sends requests from quorum client
-// to the backend.
-func (h handler) unsealHandler(w http.ResponseWriter, r *http.Request) {
-        // Get shards to be used for unseal
-        type unsealStruct struct {
-                UnsealShard string `json:"unsealshard"`
-        }
-
-        var inp unsealStruct
-        decoder := json.NewDecoder(r.Body)
-        decoder.DisallowUnknownFields()
-        err := decoder.Decode(&inp)
-        if smslogger.CheckError(err, "UnsealHandler") != nil {
-                http.Error(w, "Bad input JSON", http.StatusBadRequest)
-                return
-        }
-
-        err = h.secretBackend.Unseal(inp.UnsealShard)
-        if smslogger.CheckError(err, "UnsealHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// registerHandler allows the quorum clients to register with SMS
-// with their PGP public keys that are then used by sms for backend
-// initialization
-func (h handler) registerHandler(w http.ResponseWriter, r *http.Request) {
-        // Get shards to be used for unseal
-        type registerStruct struct {
-                PGPKey   string `json:"pgpkey"`
-                QuorumID string `json:"quorumid"`
-        }
-
-        var inp registerStruct
-        decoder := json.NewDecoder(r.Body)
-        decoder.DisallowUnknownFields()
-        err := decoder.Decode(&inp)
-        if smslogger.CheckError(err, "RegisterHandler") != nil {
-                http.Error(w, "Bad input JSON", http.StatusBadRequest)
-                return
-        }
-
-        sh, err := h.secretBackend.RegisterQuorum(inp.PGPKey)
-        if smslogger.CheckError(err, "RegisterHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-
-        // Creating a struct for return data
-        shStruct := struct {
-                Shard string `json:"shard"`
-        }{
-                sh,
-        }
-
-        w.Header().Set("Content-Type", "application/json")
-        err = json.NewEncoder(w).Encode(shStruct)
-        if smslogger.CheckError(err, "RegisterHandler") != nil {
-                http.Error(w, err.Error(), http.StatusInternalServerError)
-                return
-        }
-}
-
-// CreateRouter returns an http.Handler for the registered URLs
-// Takes an interface implementation as input
-func CreateRouter(b smsbackend.SecretBackend) http.Handler {
-        h := handler{secretBackend: b}
-
-        // Create a new mux to handle URL endpoints
-        router := mux.NewRouter()
-
-        router.HandleFunc("/v1/sms/login", h.loginHandler).Methods("POST")
-
-        // Initialization APIs which will be used by quorum client
-        // to unseal and to provide root token to sms service
-        router.HandleFunc("/v1/sms/quorum/status", h.statusHandler).Methods("GET")
-        router.HandleFunc("/v1/sms/quorum/unseal", h.unsealHandler).Methods("POST")
-        router.HandleFunc("/v1/sms/quorum/register", h.registerHandler).Methods("POST")
-
-        router.HandleFunc("/v1/sms/domain", h.createSecretDomainHandler).Methods("POST")
-        router.HandleFunc("/v1/sms/domain/{domName}", h.deleteSecretDomainHandler).Methods("DELETE")
-
-        router.HandleFunc("/v1/sms/domain/{domName}/secret", h.createSecretHandler).Methods("POST")
-        router.HandleFunc("/v1/sms/domain/{domName}/secret", h.listSecretHandler).Methods("GET")
-        router.HandleFunc("/v1/sms/domain/{domName}/secret/{secretName}", h.getSecretHandler).Methods("GET")
-        router.HandleFunc("/v1/sms/domain/{domName}/secret/{secretName}", h.deleteSecretHandler).Methods("DELETE")
-
-        return router
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package log
-
-import (
-        "fmt"
-        "log"
-        "os"
-)
-
-var errL, warnL, infoL *log.Logger
-var stdErr, stdWarn, stdInfo *log.Logger
-
-// Init will be called by sms.go before any other packages use it
-func Init(filePath string) {
-
-        stdErr = log.New(os.Stderr, "ERROR: ", log.Lshortfile|log.LstdFlags)
-        stdWarn = log.New(os.Stdout, "WARNING: ", log.Lshortfile|log.LstdFlags)
-        stdInfo = log.New(os.Stdout, "INFO: ", log.Lshortfile|log.LstdFlags)
-
-        if filePath == "" {
-                // We will just to std streams
-                return
-        }
-
-        f, err := os.Create(filePath)
-        if err != nil {
-                stdErr.Println("Unable to create log file: " + err.Error())
-                return
-        }
-
-        errL = log.New(f, "ERROR: ", log.Lshortfile|log.LstdFlags)
-        warnL = log.New(f, "WARNING: ", log.Lshortfile|log.LstdFlags)
-        infoL = log.New(f, "INFO: ", log.Lshortfile|log.LstdFlags)
-}
-
-// WriteError writes output to the writer we have
-// defined during its creation with ERROR prefix
-func WriteError(msg string) {
-        if errL != nil {
-                errL.Output(2, fmt.Sprintln(msg))
-        }
-        if stdErr != nil {
-                stdErr.Output(2, fmt.Sprintln(msg))
-        }
-}
-
-// WriteWarn writes output to the writer we have
-// defined during its creation with WARNING prefix
-func WriteWarn(msg string) {
-        if warnL != nil {
-                warnL.Output(2, fmt.Sprintln(msg))
-        }
-        if stdWarn != nil {
-                stdWarn.Output(2, fmt.Sprintln(msg))
-        }
-}
-
-// WriteInfo writes output to the writer we have
-// defined during its creation with INFO prefix
-func WriteInfo(msg string) {
-        if infoL != nil {
-                infoL.Output(2, fmt.Sprintln(msg))
-        }
-        if stdInfo != nil {
-                stdInfo.Output(2, fmt.Sprintln(msg))
-        }
-}
-
-//CheckError is a helper function to reduce
-//repitition of error checkign blocks of code
-func CheckError(err error, topic string) error {
-        if err != nil {
-                msg := topic + ": " + err.Error()
-                if errL != nil {
-                        errL.Output(2, fmt.Sprintln(msg))
-                }
-                if stdErr != nil {
-                        stdErr.Output(2, fmt.Sprintln(msg))
-                }
-                return err
-        }
-        return nil
-}
-

- -

/*
- * Copyright 2018 Intel Corporation, Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package main
-
-import (
-        "context"
-        "log"
-        "net/http"
-        "os"
-        "os/signal"
-
-        smsauth "sms/auth"
-        smsbackend "sms/backend"
-        smsconfig "sms/config"
-        smshandler "sms/handler"
-        smslogger "sms/log"
-)
-
-func main() {
-        // Initialize logger
-        smslogger.Init("sms.log")
-
-        // Read Configuration File
-        smsConf, err := smsconfig.ReadConfigFile("smsconfig.json")
-        if err != nil {
-                log.Fatal(err)
-        }
-
-        backendImpl, err := smsbackend.InitSecretBackend()
-        if err != nil {
-                log.Fatal(err)
-        }
-
-        httpRouter := smshandler.CreateRouter(backendImpl)
-
-        httpServer := &http.Server{
-                Handler: httpRouter,
-                Addr:    ":10443",
-        }
-
-        // Listener for SIGINT so that it returns cleanly
-        connectionsClose := make(chan struct{})
-        go func() {
-                c := make(chan os.Signal, 1)
-                signal.Notify(c, os.Interrupt)
-                <-c
-                httpServer.Shutdown(context.Background())
-                close(connectionsClose)
-        }()
-
-        // Start in TLS mode by default
-        if smsConf.DisableTLS == true {
-                smslogger.WriteWarn("TLS is Disabled")
-                err = httpServer.ListenAndServe()
-        } else {
-                // TODO: Use CA certificate from AAF
-                tlsConfig, err := smsauth.GetTLSConfig(smsConf.CAFile)
-                if err != nil {
-                        log.Fatal(err)
-                }
-
-                httpServer.TLSConfig = tlsConfig
-                err = httpServer.ListenAndServeTLS(smsConf.ServerCert, smsConf.ServerKey)
-        }
-
-        if err != nil && err != http.ErrServerClosed {
-                log.Fatal(err)
-        }
-
-        <-connectionsClose
-}
-

- -

Secret Management Service

Access

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