7fed43c035
* Add the ability to glob allowed roles in the Database Backend * Make the error messages better * Switch to the go-glob repo
113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
package database
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import (
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"fmt"
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"time"
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"github.com/hashicorp/vault/builtin/logical/database/dbplugin"
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"github.com/hashicorp/vault/helper/strutil"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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)
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func pathCredsCreate(b *databaseBackend) *framework.Path {
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return &framework.Path{
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Pattern: "creds/" + framework.GenericNameRegex("name"),
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Fields: map[string]*framework.FieldSchema{
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"name": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Name of the role.",
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},
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},
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.ReadOperation: b.pathCredsCreateRead(),
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},
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HelpSynopsis: pathCredsCreateReadHelpSyn,
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HelpDescription: pathCredsCreateReadHelpDesc,
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}
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}
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func (b *databaseBackend) pathCredsCreateRead() framework.OperationFunc {
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return func(req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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name := data.Get("name").(string)
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// Get the role
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role, err := b.Role(req.Storage, name)
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if err != nil {
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return nil, err
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}
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if role == nil {
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return logical.ErrorResponse(fmt.Sprintf("unknown role: %s", name)), nil
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}
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dbConfig, err := b.DatabaseConfig(req.Storage, role.DBName)
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if err != nil {
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return nil, err
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}
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// If role name isn't in the database's allowed roles, send back a
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// permission denied.
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if !strutil.StrListContains(dbConfig.AllowedRoles, "*") && !strutil.StrListContainsGlob(dbConfig.AllowedRoles, name) {
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return nil, logical.ErrPermissionDenied
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}
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// Grab the read lock
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b.RLock()
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var unlockFunc func() = b.RUnlock
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// Get the Database object
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db, ok := b.getDBObj(role.DBName)
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if !ok {
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// Upgrade lock
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b.RUnlock()
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b.Lock()
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unlockFunc = b.Unlock
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// Create a new DB object
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db, err = b.createDBObj(req.Storage, role.DBName)
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if err != nil {
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unlockFunc()
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return nil, fmt.Errorf("cound not retrieve db with name: %s, got error: %s", role.DBName, err)
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}
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}
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expiration := time.Now().Add(role.DefaultTTL)
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usernameConfig := dbplugin.UsernameConfig{
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DisplayName: req.DisplayName,
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RoleName: name,
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}
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// Create the user
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username, password, err := db.CreateUser(role.Statements, usernameConfig, expiration)
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// Unlock
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unlockFunc()
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if err != nil {
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b.closeIfShutdown(role.DBName, err)
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return nil, err
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}
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resp := b.Secret(SecretCredsType).Response(map[string]interface{}{
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"username": username,
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"password": password,
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}, map[string]interface{}{
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"username": username,
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"role": name,
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})
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resp.Secret.TTL = role.DefaultTTL
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return resp, nil
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}
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}
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const pathCredsCreateReadHelpSyn = `
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Request database credentials for a certain role.
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`
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const pathCredsCreateReadHelpDesc = `
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This path reads database credentials for a certain role. The
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database credentials will be generated on demand and will be automatically
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revoked when the lease is up.
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`
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