func Backend() *framework.Backend {
var b backend
b.MapAppId = &framework.PolicyMap{
PathMap: framework.PathMap{
Name: "app-id",
Schema: map[string]*framework.FieldSchema{
"display_name": &framework.FieldSchema{
Type: framework.TypeString,
Description: "A name to map to this app ID for logs.",
},
"value": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Policies for the app ID.",
},
},
},
DefaultKey: "default",
}
b.MapUserId = &framework.PathMap{
Name: "user-id",
Schema: map[string]*framework.FieldSchema{
"cidr_block": &framework.FieldSchema{
Type: framework.TypeString,
Description: "If not blank, restricts auth by this CIDR block",
},
"value": &framework.FieldSchema{
Type: framework.TypeString,
Description: "App IDs that this user associates with.",
},
},
}
b.Backend = &framework.Backend{
Help: backendHelp,
PathsSpecial: &logical.Paths{
Unauthenticated: []string{
"login",
},
},
Paths: framework.PathAppend([]*framework.Path{
pathLogin(&b),
},
b.MapAppId.Paths(),
b.MapUserId.Paths(),
),
}
return b.Backend
}
func Backend(conf *logical.BackendConfig) (*backend, error) {
// Initialize the salt
salt, err := salt.NewSalt(conf.StorageView, &salt.Config{
HashFunc: salt.SHA256Hash,
})
if err != nil {
return nil, err
}
// Create a backend object
b := &backend{
// Set the salt object for the backend
salt: salt,
// Create the map of locks to modify the registered roles
roleLocksMap: make(map[string]*sync.RWMutex, 257),
// Create the map of locks to modify the generated RoleIDs
roleIDLocksMap: make(map[string]*sync.RWMutex, 257),
// Create the map of locks to modify the generated SecretIDs
secretIDLocksMap: make(map[string]*sync.RWMutex, 257),
// Create the map of locks to modify the generated SecretIDAccessors
secretIDAccessorLocksMap: make(map[string]*sync.RWMutex, 257),
}
// Create 256 locks each for managing RoleID and SecretIDs. This will avoid
// a superfluous number of locks directly proportional to the number of RoleID
// and SecretIDs. These locks can be accessed by indexing based on the first two
// characters of a randomly generated UUID.
if err = locksutil.CreateLocks(b.roleLocksMap, 256); err != nil {
return nil, fmt.Errorf("failed to create role locks: %v", err)
}
if err = locksutil.CreateLocks(b.roleIDLocksMap, 256); err != nil {
return nil, fmt.Errorf("failed to create role ID locks: %v", err)
}
if err = locksutil.CreateLocks(b.secretIDLocksMap, 256); err != nil {
return nil, fmt.Errorf("failed to create secret ID locks: %v", err)
}
if err = locksutil.CreateLocks(b.secretIDAccessorLocksMap, 256); err != nil {
return nil, fmt.Errorf("failed to create secret ID accessor locks: %v", err)
}
// Have an extra lock to use in case the indexing does not result in a lock.
// This happens if the indexing value is not beginning with hex characters.
// These locks can be used for listing purposes as well.
b.roleLocksMap["custom"] = &sync.RWMutex{}
b.roleIDLocksMap["custom"] = &sync.RWMutex{}
b.secretIDLocksMap["custom"] = &sync.RWMutex{}
b.secretIDAccessorLocksMap["custom"] = &sync.RWMutex{}
// Attach the paths and secrets that are to be handled by the backend
b.Backend = &framework.Backend{
// Register a periodic function that deletes the expired SecretID entries
PeriodicFunc: b.periodicFunc,
Help: backendHelp,
AuthRenew: b.pathLoginRenew,
PathsSpecial: &logical.Paths{
Unauthenticated: []string{
"login",
},
},
Paths: framework.PathAppend(
rolePaths(b),
[]*framework.Path{
pathLogin(b),
pathTidySecretID(b),
},
),
}
return b, nil
}
func Backend(conf *logical.BackendConfig) (*framework.Backend, error) {
// Initialize the salt
salt, err := salt.NewSalt(conf.View, nil)
if err != nil {
return nil, err
}
var b backend
b.Salt = salt
b.MapAppId = &framework.PolicyMap{
PathMap: framework.PathMap{
Name: "app-id",
Salt: salt,
Schema: map[string]*framework.FieldSchema{
"display_name": &framework.FieldSchema{
Type: framework.TypeString,
Description: "A name to map to this app ID for logs.",
},
"value": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Policies for the app ID.",
},
},
},
DefaultKey: "default",
}
b.MapUserId = &framework.PathMap{
Name: "user-id",
Salt: salt,
Schema: map[string]*framework.FieldSchema{
"cidr_block": &framework.FieldSchema{
Type: framework.TypeString,
Description: "If not blank, restricts auth by this CIDR block",
},
"value": &framework.FieldSchema{
Type: framework.TypeString,
Description: "App IDs that this user associates with.",
},
},
}
b.Backend = &framework.Backend{
Help: backendHelp,
PathsSpecial: &logical.Paths{
Unauthenticated: []string{
"login",
},
},
Paths: framework.PathAppend([]*framework.Path{
pathLogin(&b),
},
b.MapAppId.Paths(),
b.MapUserId.Paths(),
),
}
// Since the salt is new in 0.2, we need to handle this by migrating
// any existing keys to use the salt. We can deprecate this eventually,
// but for now we want a smooth upgrade experience by automatically
// upgrading to use salting.
if salt.DidGenerate() {
if err := b.upgradeToSalted(conf.View); err != nil {
return nil, err
}
}
return b.Backend, nil
}