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Config migration should handle plain-text (#8506)

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This PR fixes issues found in config migration

 - StorageClass migration error when rrs is empty
 - Plain-text migration of older config
 - Do not run in safe mode with incorrect credentials
 - Update logger_http documentation for _STATE env

Refer more reported issues at #8434
This commit is contained in:
Harshavardhana 2019-11-11 12:01:21 -08:00 committed by kannappanr
parent 4082764d48
commit aa04f97f95
8 changed files with 153 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
cmd/admin-handlers-config-kv.go
View File

@ -195,10 +195,14 @@ func (a adminAPIHandlers) GetConfigKVHandler(w http.ResponseWriter, r *http.Requ
return
}
cfg, err := getValidConfig(objectAPI)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
cfg := globalServerConfig
if globalSafeMode {
var err error
cfg, err = getValidConfig(objectAPI)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
}
}
vars := mux.Vars(r)

85
cmd/config-encrypted.go
View File

@ -91,16 +91,9 @@ func handleEncryptedConfigBackend(objAPI ObjectLayer, server bool) error {
}
}
accessKeyOld := env.Get(config.EnvAccessKeyOld, "")
secretKeyOld := env.Get(config.EnvSecretKeyOld, "")
var activeCredOld auth.Credentials
if accessKeyOld != "" && secretKeyOld != "" {
activeCredOld, err = auth.CreateCredentials(accessKeyOld, secretKeyOld)
if err != nil {
return err
}
os.Unsetenv(config.EnvAccessKeyOld)
os.Unsetenv(config.EnvSecretKeyOld)
activeCredOld, err := getOldCreds()
if err != nil {
return err
}
// Migrating Config backend needs a retry mechanism for
@ -148,6 +141,38 @@ func checkBackendEncrypted(objAPI ObjectLayer) (bool, error) {
return err == nil && bytes.Equal(data, backendEncryptedMigrationComplete), nil
}
// decryptData - decrypts input data with more that one credentials,
func decryptData(edata []byte, creds ...auth.Credentials) ([]byte, error) {
var err error
var data []byte
for _, cred := range creds {
data, err = madmin.DecryptData(cred.String(), bytes.NewReader(edata))
if err != nil {
if err == madmin.ErrMaliciousData {
continue
}
return nil, err
}
break
}
return data, err
}
func getOldCreds() (activeCredOld auth.Credentials, err error) {
accessKeyOld := env.Get(config.EnvAccessKeyOld, "")
secretKeyOld := env.Get(config.EnvSecretKeyOld, "")
if accessKeyOld != "" && secretKeyOld != "" {
activeCredOld, err = auth.CreateCredentials(accessKeyOld, secretKeyOld)
if err != nil {
return activeCredOld, err
}
// Once we have obtained the rotating creds
os.Unsetenv(config.EnvAccessKeyOld)
os.Unsetenv(config.EnvSecretKeyOld)
}
return activeCredOld, nil
}
func migrateIAMConfigsEtcdToEncrypted(client *etcd.Client) error {
ctx, cancel := context.WithTimeout(context.Background(), defaultContextTimeout)
defer cancel()
@ -175,17 +200,9 @@ func migrateIAMConfigsEtcdToEncrypted(client *etcd.Client) error {
}
}
accessKeyOld := env.Get(config.EnvAccessKeyOld, "")
secretKeyOld := env.Get(config.EnvSecretKeyOld, "")
var activeCredOld auth.Credentials
if accessKeyOld != "" && secretKeyOld != "" {
activeCredOld, err = auth.CreateCredentials(accessKeyOld, secretKeyOld)
if err != nil {
return err
}
// Once we have obtained the rotating creds
os.Unsetenv(config.EnvAccessKeyOld)
os.Unsetenv(config.EnvSecretKeyOld)
activeCredOld, err := getOldCreds()
if err != nil {
return err
}
if encrypted {
@ -232,18 +249,15 @@ func migrateIAMConfigsEtcdToEncrypted(client *etcd.Client) error {
var data []byte
// Is rotating of creds requested?
if activeCredOld.IsValid() {
data, err = madmin.DecryptData(activeCredOld.String(), bytes.NewReader(cdata))
data, err = decryptData(cdata, activeCredOld, globalActiveCred)
if err != nil {
if err == madmin.ErrMaliciousData {
data, err = madmin.DecryptData(globalActiveCred.String(),
bytes.NewReader(cdata))
if err != nil {
return config.ErrInvalidRotatingCredentialsBackendEncrypted(nil)
}
} else {
return err
return config.ErrInvalidRotatingCredentialsBackendEncrypted(nil)
}
return err
}
} else {
data = cdata
}
// Attempt to unmarshal JSON content
@ -310,18 +324,15 @@ func migrateConfigPrefixToEncrypted(objAPI ObjectLayer, activeCredOld auth.Crede
var data []byte
// Is rotating of creds requested?
if activeCredOld.IsValid() {
data, err = madmin.DecryptData(activeCredOld.String(), bytes.NewReader(cdata))
data, err = decryptData(cdata, activeCredOld, globalActiveCred)
if err != nil {
if err == madmin.ErrMaliciousData {
data, err = madmin.DecryptData(globalActiveCred.String(),
bytes.NewReader(cdata))
if err != nil {
return config.ErrInvalidRotatingCredentialsBackendEncrypted(nil)
}
} else {
return err
return config.ErrInvalidRotatingCredentialsBackendEncrypted(nil)
}
return err
}
} else {
data = cdata
}
// Attempt to unmarshal JSON content

75
cmd/config-encrypted_test.go Normal file
View File

@ -0,0 +1,75 @@
/*
* MinIO Cloud Storage, (C) 2019 MinIO, 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 cmd
import (
"bytes"
"testing"
"github.com/minio/minio/pkg/auth"
"github.com/minio/minio/pkg/madmin"
)
func TestDecryptData(t *testing.T) {
cred1 := auth.Credentials{
AccessKey: "minio",
SecretKey: "minio123",
}
cred2 := auth.Credentials{
AccessKey: "minio",
SecretKey: "minio1234",
}
data := []byte(`config data`)
edata1, err := madmin.EncryptData(cred1.String(), data)
if err != nil {
t.Fatal(err)
}
edata2, err := madmin.EncryptData(cred2.String(), data)
if err != nil {
t.Fatal(err)
}
tests := []struct {
edata []byte
creds []auth.Credentials
success bool
}{
{edata1, []auth.Credentials{cred1, cred2}, true},
{edata2, []auth.Credentials{cred1, cred2}, true},
{data, []auth.Credentials{cred1, cred2}, false},
}
for _, test := range tests {
t.Run("", func(t *testing.T) {
ddata, err := decryptData(test.edata, test.creds...)
if err != nil && test.success {
t.Errorf("Expected success, saw failure %v", err)
}
if err == nil && !test.success {
t.Error("Expected failure, saw success")
}
if test.success {
if !bytes.Equal(ddata, data) {
t.Errorf("Expected %s, got %s", string(data), string(ddata))
}
}
})
}
}

14
cmd/config/storageclass/storage-class.go
View File

@ -224,17 +224,17 @@ func LookupConfig(kvs config.KVS, drivesPerSet int) (cfg Config, err error) {
if err != nil {
return cfg, err
}
ssc := env.Get(StandardEnv, kvs.Get(ClassStandard))
rrsc := env.Get(RRSEnv, kvs.Get(ClassRRS))
if stateBool {
if ssc := env.Get(StandardEnv, kvs.Get(ClassStandard)); ssc == "" {
return cfg, config.Error("'standard' key cannot be empty if you wish to enable storage class")
}
if rrsc := env.Get(RRSEnv, kvs.Get(ClassRRS)); rrsc == "" {
return cfg, config.Error("'rrs' key cannot be empty if you wish to enable storage class")
if ssc == "" && rrsc == "" {
return cfg, config.Error("'standard' and 'rrs' key cannot be empty for enabled storage class")
}
// if one of storage class is not empty proceed.
}
// Check for environment variables and parse into storageClass struct
if ssc := env.Get(StandardEnv, kvs.Get(ClassStandard)); ssc != "" {
if ssc != "" {
cfg.Standard, err = parseStorageClass(ssc)
if err != nil {
return cfg, err
@ -244,7 +244,7 @@ func LookupConfig(kvs config.KVS, drivesPerSet int) (cfg Config, err error) {
cfg.Standard.Parity = drivesPerSet / 2
}
if rrsc := env.Get(RRSEnv, kvs.Get(ClassRRS)); rrsc != "" {
if rrsc != "" {
cfg.RRS, err = parseStorageClass(rrsc)
if err != nil {
return cfg, err

2
cmd/gateway/s3/gateway-s3.go
View File

@ -73,6 +73,7 @@ ENVIRONMENT VARIABLES:
MINIO_CACHE_QUOTA: Maximum permitted usage of the cache in percentage (0-100).
LOGGER:
MINIO_LOGGER_HTTP_STATE: Set this to "on" to enable HTTP logging target.
MINIO_LOGGER_HTTP_ENDPOINT: HTTP endpoint URL to log all incoming requests.
EXAMPLES:
@ -89,6 +90,7 @@ EXAMPLES:
3. Start minio gateway server for AWS S3 backend logging all requests to http endpoint.
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_ACCESS_KEY{{.AssignmentOperator}}Q3AM3UQ867SPQQA43P2F
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_SECRET_KEY{{.AssignmentOperator}}zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_LOGGER_HTTP_STATE{{.AssignmenOperator}}"on"
{{.Prompt}} {{.EnvVarSetCommand}} MINIO_LOGGER_HTTP_ENDPOINT{{.AssignmentOperator}}"http://localhost:8000/"
{{.Prompt}} {{.HelpName}} https://play.min.io:9000

4
cmd/logger/config.go
View File

@ -131,7 +131,7 @@ func LookupConfig(scfg config.Config) (Config, error) {
for starget, kv := range scfg[config.LoggerHTTPSubSys] {
subSysTarget := config.LoggerHTTPSubSys
if starget != config.Default {
subSysTarget = config.LoggerHTTPSubSys + ":" + starget
subSysTarget = config.LoggerHTTPSubSys + config.SubSystemSeparator + starget
}
if err := config.CheckValidKeys(subSysTarget, kv, DefaultKVS); err != nil {
return cfg, err
@ -233,7 +233,7 @@ func LookupConfig(scfg config.Config) (Config, error) {
if target != config.Default {
authTokenEnv = EnvLoggerHTTPAuditAuthToken + config.Default + target
}
cfg.HTTP[target] = HTTP{
cfg.Audit[target] = HTTP{
Enabled: true,
Endpoint: endpoint,
AuthToken: env.Get(authTokenEnv, ""),

14
cmd/server-main.go
View File

@ -200,6 +200,10 @@ func newAllSubsystems() {
func initSafeModeInit(buckets []BucketInfo) (err error) {
defer func() {
if err != nil {
switch err.(type) {
case config.Err:
return
}
// Enable logger
logger.Disable = false
@ -246,25 +250,25 @@ func initSafeModeInit(buckets []BucketInfo) (err error) {
func initAllSubsystems(buckets []BucketInfo, newObject ObjectLayer) (err error) {
// Initialize config system.
if err = globalConfigSys.Init(newObject); err != nil {
return fmt.Errorf("Unable to initialize config system: %v", err)
return fmt.Errorf("Unable to initialize config system: %w", err)
}
if err = globalNotificationSys.AddNotificationTargetsFromConfig(globalServerConfig); err != nil {
return fmt.Errorf("Unable to initialize notification target(s) from config: %v", err)
return fmt.Errorf("Unable to initialize notification target(s) from config: %w", err)
}
if err = globalIAMSys.Init(newObject); err != nil {
return fmt.Errorf("Unable to initialize IAM system: %v", err)
return fmt.Errorf("Unable to initialize IAM system: %w", err)
}
// Initialize notification system.
if err = globalNotificationSys.Init(buckets, newObject); err != nil {
return fmt.Errorf("Unable to initialize notification system: %v", err)
return fmt.Errorf("Unable to initialize notification system: %w", err)
}
// Initialize policy system.
if err = globalPolicySys.Init(buckets, newObject); err != nil {
return fmt.Errorf("Unable to initialize policy system; %v", err)
return fmt.Errorf("Unable to initialize policy system; %w", err)
}
// Initialize lifecycle system.

2
docs/logging/README.md
View File

@ -28,6 +28,7 @@ NOTE: `http://endpoint:port/path` is a placeholder value to indicate the URL for
MinIO also honors environment variable for HTTP target logging as shown below, this setting will override the endpoint settings in the MinIO server config.
```
export MINIO_LOGGER_HTTP_STATE_target1="on"
export MINIO_LOGGER_HTTP_AUTH_TOKEN_target1="token"
export MINIO_LOGGER_HTTP_ENDPOINT_target1=http://localhost:8080/minio/logs
minio server /mnt/data
@ -49,6 +50,7 @@ NOTE: `http://endpoint:port/path` is a placeholder value to indicate the URL for
MinIO also honors environment variable for HTTP target Audit logging as shown below, this setting will override the endpoint settings in the MinIO server config.
```
export MINIO_LOGGER_HTTP_AUDIT_STATE_target1="on"
export MINIO_LOGGER_HTTP_AUDIT_AUTH_TOKEN_target1="token"
export MINIO_LOGGER_HTTP_AUDIT_ENDPOINT_target1=http://localhost:8080/minio/logs
minio server /mnt/data