open-vault/plugins/database/mysql/mysql_test.go
2020-12-01 15:24:51 -07:00

564 lines
14 KiB
Go

package mysql
import (
"context"
"database/sql"
"strings"
"testing"
"time"
stdmysql "github.com/go-sql-driver/mysql"
mysqlhelper "github.com/hashicorp/vault/helper/testhelpers/mysql"
dbplugin "github.com/hashicorp/vault/sdk/database/dbplugin/v5"
"github.com/hashicorp/vault/sdk/database/helper/credsutil"
"github.com/hashicorp/vault/sdk/database/helper/dbutil"
"github.com/hashicorp/vault/sdk/helper/strutil"
)
var _ dbplugin.Database = (*MySQL)(nil)
func TestMySQL_Initialize(t *testing.T) {
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, "secret")
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if !db.Initialized {
t.Fatal("Database should be initialized")
}
err = db.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
// Test decoding a string value for max_open_connections
connectionDetails = map[string]interface{}{
"connection_url": connURL,
"max_open_connections": "5",
}
initReq = dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db = newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err = db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
}
func TestMySQL_CreateUser(t *testing.T) {
t.Run("missing creation statements", func(t *testing.T) {
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
password, err := credsutil.RandomAlphaNumeric(32, false)
if err != nil {
t.Fatalf("unable to generate password: %s", err)
}
createReq := dbplugin.NewUserRequest{
UsernameConfig: dbplugin.UsernameMetadata{
DisplayName: "test",
RoleName: "test",
},
Statements: dbplugin.Statements{
Commands: []string{},
},
Password: password,
Expiration: time.Now().Add(time.Minute),
}
userResp, err := db.NewUser(context.Background(), createReq)
if err == nil {
t.Fatalf("expected err, got nil")
}
if userResp.Username != "" {
t.Fatalf("expected empty username, got [%s]", userResp.Username)
}
})
t.Run("non-legacy", func(t *testing.T) {
// Shared test container for speed - there should not be any overlap between the tests
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, "secret")
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
testCreateUser(t, db, connURL)
})
t.Run("legacy", func(t *testing.T) {
// Shared test container for speed - there should not be any overlap between the tests
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, true, "secret")
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db := newMySQL(credsutil.NoneLength, LegacyMetadataLen, LegacyUsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
testCreateUser(t, db, connURL)
})
}
func testCreateUser(t *testing.T, db *MySQL, connURL string) {
type testCase struct {
createStmts []string
}
tests := map[string]testCase{
"create name": {
createStmts: []string{`
CREATE USER '{{name}}'@'%' IDENTIFIED BY '{{password}}';
GRANT SELECT ON *.* TO '{{name}}'@'%';`,
},
},
"create username": {
createStmts: []string{`
CREATE USER '{{username}}'@'%' IDENTIFIED BY '{{password}}';
GRANT SELECT ON *.* TO '{{username}}'@'%';`,
},
},
"prepared statement name": {
createStmts: []string{`
CREATE USER '{{name}}'@'%' IDENTIFIED BY '{{password}}';
set @grants=CONCAT("GRANT SELECT ON ", "*", ".* TO '{{name}}'@'%'");
PREPARE grantStmt from @grants;
EXECUTE grantStmt;
DEALLOCATE PREPARE grantStmt;
`,
},
},
"prepared statement username": {
createStmts: []string{`
CREATE USER '{{username}}'@'%' IDENTIFIED BY '{{password}}';
set @grants=CONCAT("GRANT SELECT ON ", "*", ".* TO '{{username}}'@'%'");
PREPARE grantStmt from @grants;
EXECUTE grantStmt;
DEALLOCATE PREPARE grantStmt;
`,
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
password, err := credsutil.RandomAlphaNumeric(32, false)
if err != nil {
t.Fatalf("unable to generate password: %s", err)
}
createReq := dbplugin.NewUserRequest{
UsernameConfig: dbplugin.UsernameMetadata{
DisplayName: "test",
RoleName: "test",
},
Statements: dbplugin.Statements{
Commands: test.createStmts,
},
Password: password,
Expiration: time.Now().Add(time.Minute),
}
userResp, err := db.NewUser(context.Background(), createReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := mysqlhelper.TestCredsExist(t, connURL, userResp.Username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// Test a second time to make sure usernames don't collide
userResp, err = db.NewUser(context.Background(), createReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := mysqlhelper.TestCredsExist(t, connURL, userResp.Username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
})
}
}
func TestMySQL_RotateRootCredentials(t *testing.T) {
type testCase struct {
statements []string
}
tests := map[string]testCase{
"empty statements": {
statements: nil,
},
"default username": {
statements: []string{defaultMySQLRotateCredentialsSQL},
},
"default name": {
statements: []string{`
ALTER USER '{{username}}'@'%' IDENTIFIED BY '{{password}}';`,
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, "secret")
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
"username": "root",
"password": "secret",
}
// Give a timeout just in case the test decides to be problematic
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if !db.Initialized {
t.Fatal("Database should be initialized")
}
updateReq := dbplugin.UpdateUserRequest{
Username: "root",
Password: &dbplugin.ChangePassword{
NewPassword: "different_sercret",
Statements: dbplugin.Statements{
Commands: test.statements,
},
},
}
_, err = db.UpdateUser(ctx, updateReq)
if err != nil {
t.Fatalf("err: %v", err)
}
err = mysqlhelper.TestCredsExist(t, connURL, updateReq.Username, updateReq.Password.NewPassword)
if err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// verify old password doesn't work
if err := mysqlhelper.TestCredsExist(t, connURL, updateReq.Username, "secret"); err == nil {
t.Fatalf("Should not be able to connect with initial credentials")
}
err = db.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
})
}
}
func TestMySQL_DeleteUser(t *testing.T) {
type testCase struct {
revokeStmts []string
}
tests := map[string]testCase{
"empty statements": {
revokeStmts: nil,
},
"default name": {
revokeStmts: []string{defaultMysqlRevocationStmts},
},
"default username": {
revokeStmts: []string{`
REVOKE ALL PRIVILEGES, GRANT OPTION FROM '{{username}}'@'%';
DROP USER '{{username}}'@'%'`,
},
},
}
// Shared test container for speed - there should not be any overlap between the tests
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, "secret")
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
password, err := credsutil.RandomAlphaNumeric(32, false)
if err != nil {
t.Fatalf("unable to generate password: %s", err)
}
createReq := dbplugin.NewUserRequest{
UsernameConfig: dbplugin.UsernameMetadata{
DisplayName: "test",
RoleName: "test",
},
Statements: dbplugin.Statements{
Commands: []string{`
CREATE USER '{{name}}'@'%' IDENTIFIED BY '{{password}}';
GRANT SELECT ON *.* TO '{{name}}'@'%';`,
},
},
Password: password,
Expiration: time.Now().Add(time.Minute),
}
// Give a timeout just in case the test decides to be problematic
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
userResp, err := db.NewUser(ctx, createReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := mysqlhelper.TestCredsExist(t, connURL, userResp.Username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
deleteReq := dbplugin.DeleteUserRequest{
Username: userResp.Username,
Statements: dbplugin.Statements{
Commands: test.revokeStmts,
},
}
_, err = db.DeleteUser(context.Background(), deleteReq)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := mysqlhelper.TestCredsExist(t, connURL, userResp.Username, password); err == nil {
t.Fatalf("Credentials were not revoked!")
}
})
}
}
func TestMySQL_UpdateUser(t *testing.T) {
type testCase struct {
rotateStmts []string
}
tests := map[string]testCase{
"empty statements": {
rotateStmts: nil,
},
"custom statement name": {
rotateStmts: []string{`
ALTER USER '{{name}}'@'%' IDENTIFIED BY '{{password}}';`},
},
"custom statement username": {
rotateStmts: []string{`
ALTER USER '{{username}}'@'%' IDENTIFIED BY '{{password}}';`},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, "secret")
defer cleanup()
// create the database user and verify we can access
dbUser := "vaultstatictest"
initPassword := "password"
createStatements := `
CREATE USER '{{name}}'@'%' IDENTIFIED BY '{{password}}';
GRANT SELECT ON *.* TO '{{name}}'@'%';`
createTestMySQLUser(t, connURL, dbUser, initPassword, createStatements)
if err := mysqlhelper.TestCredsExist(t, connURL, dbUser, initPassword); err != nil {
t.Fatalf("Could not connect with credentials: %s", err)
}
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
initReq := dbplugin.InitializeRequest{
Config: connectionDetails,
VerifyConnection: true,
}
// Give a timeout just in case the test decides to be problematic
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Initialize(context.Background(), initReq)
if err != nil {
t.Fatalf("err: %s", err)
}
newPassword, err := credsutil.RandomAlphaNumeric(32, false)
if err != nil {
t.Fatalf("unable to generate password: %s", err)
}
updateReq := dbplugin.UpdateUserRequest{
Username: dbUser,
Password: &dbplugin.ChangePassword{
NewPassword: newPassword,
Statements: dbplugin.Statements{
Commands: test.rotateStmts,
},
},
}
_, err = db.UpdateUser(ctx, updateReq)
if err != nil {
t.Fatalf("err: %s", err)
}
// verify new password works
if err := mysqlhelper.TestCredsExist(t, connURL, dbUser, newPassword); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// verify old password doesn't work
if err := mysqlhelper.TestCredsExist(t, connURL, dbUser, initPassword); err == nil {
t.Fatalf("Should not be able to connect with initial credentials")
}
})
}
}
func TestMySQL_Initialize_ReservedChars(t *testing.T) {
pw := "#secret!%25#{@}"
cleanup, connURL := mysqlhelper.PrepareTestContainer(t, false, pw)
defer cleanup()
// Revert password set to test replacement by db.Init
connURL = strings.ReplaceAll(connURL, pw, "{{password}}")
connectionDetails := map[string]interface{}{
"connection_url": connURL,
"password": pw,
}
db := newMySQL(MetadataLen, MetadataLen, UsernameLen)
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
if !db.Initialized {
t.Fatal("Database should be initialized")
}
err = db.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
}
func createTestMySQLUser(t *testing.T, connURL, username, password, query string) {
t.Helper()
db, err := sql.Open("mysql", connURL)
defer db.Close()
if err != nil {
t.Fatal(err)
}
// Start a transaction
ctx := context.Background()
tx, err := db.BeginTx(ctx, nil)
if err != nil {
t.Fatal(err)
}
defer func() {
_ = tx.Rollback()
}()
// copied from mysql.go
for _, query := range strutil.ParseArbitraryStringSlice(query, ";") {
query = strings.TrimSpace(query)
if len(query) == 0 {
continue
}
query = dbutil.QueryHelper(query, map[string]string{
"name": username,
"password": password,
})
stmt, err := tx.PrepareContext(ctx, query)
if err != nil {
if e, ok := err.(*stdmysql.MySQLError); ok && e.Number == 1295 {
_, err = tx.ExecContext(ctx, query)
if err != nil {
t.Fatal(err)
}
stmt.Close()
continue
}
t.Fatal(err)
}
if _, err := stmt.ExecContext(ctx); err != nil {
stmt.Close()
t.Fatal(err)
}
stmt.Close()
}
}