defaults

const (
	// Web UI over HTTP(s)
	HTTPListenPort = 3080

	// When running in "SSH Server" mode behind a proxy, this
	// listening port will be used to connect users to:
	SSHServerListenPort = 3022

	// When running in "SSH Proxy" role this port will be used to
	// accept incoming client connections and proxy them to SSHServerListenPort of
	// one of many SSH nodes
	SSHProxyListenPort = 3023

	// When running in "SSH Proxy" role this port will be used for incoming
	// connections from SSH nodes who wish to use "reverse tunnell" (when they
	// run behind an environment/firewall which only allows outgoing connections)
	SSHProxyTunnelListenPort = 3024

	// When running as a "SSH Proxy" this port will be used to
	// serve auth requests.
	AuthListenPort = 3025

	// Default DB to use for persisting state. Another options is "etcd"
	BackendType = "bolt"

	// Name of events bolt database file stored in DataDir
	EventsBoltFile = "events.db"

	// Name of keys bolt database file stored in DataDir
	KeysBoltFile = "keys.db"

	// Name of records bolt database file stored in DataDir
	RecordsBoltFile = "records.db"

	// By default SSH server (and SSH proxy) will bind to this IP
	BindIP = "0.0.0.0"

	// By default all users use /bin/bash
	DefaultShell = "/bin/bash"

	// InviteTokenTTL sets the lifespan of tokens used for adding nodes and users
	// to a cluster
	InviteTokenTTL = 15 * time.Minute

	// DefaultDialTimeout is a default TCP dial timeout we set for our
	// connection attempts
	DefaultDialTimeout = 10 * time.Second

	// DefaultReadHeadersTimeout is a default TCP timeout when we wait
	// for the response headers to arrive
	DefaultReadHeadersTimeout = time.Second

	// MaxSignupTokenTTL is a maximum TTL for a web signup one time token
	// clients can reduce this time, not increase it
	MaxSignupTokenTTL = time.Hour

	// ProvisioningTokenTTL is a the default TTL for server provisioning
	// tokens. When a user generates a token without an explicit TTL, this
	// value is used.
	ProvisioningTokenTTL = 30 * time.Minute

	// HOTPFirstTokensRange is amount of lookahead tokens we remember
	// for sync purposes
	HOTPFirstTokensRange = 4

	// HOTPTokenDigits is the number of digits in each token
	HOTPTokenDigits = 6

	// MinPasswordLength is minimum password length
	MinPasswordLength = 6

	// MaxPasswordLength is maximum password length (for sanity)
	MaxPasswordLength = 128

	// IterationLimit is a default limit if it's not set
	IterationLimit = 100

	// MaxIterationLimit is max iteration limit
	MaxIterationLimit = 1000

	// ActiveSessionTTL is a TTL when session is marked as inactive
	ActiveSessionTTL = 30 * time.Second

	// ActivePartyTTL is a TTL when party is marked as inactive
	ActivePartyTTL = 30 * time.Second

	// OIDCAuthRequestTTL is TTL of internally stored auth request created by client
	OIDCAuthRequestTTL = 60 * time.Second

	// LogRotationPeriod defines how frequently to rotate the audit log file
	LogRotationPeriod = (time.Hour * 24)

	// MaxLoginAttempts sets the max. number of allowed failed login attempts
	// before a user account is locked for AccountLockInterval
	MaxLoginAttempts byte = 5

	// AccountLockInterval defines a time interval during which a user account
	// is locked after MaxLoginAttempts
	AccountLockInterval = time.Duration(20 * time.Minute)
)

const (
	// Number of max. simultaneous connections to a service
	LimiterMaxConnections = 1000

	// Number of max. simultaneous connected users/logins
	LimiterMaxConcurrentUsers = 250
)

const (
	// MinCertDuration specifies minimum duration of validity of issued cert
	MinCertDuration = time.Minute
	// MaxCertDuration limits maximum duration of validity of issued cert
	MaxCertDuration = 30 * time.Hour
	// CertDuration is a default certificate duration
	// 12 is default as it' longer than average working day (I hope so)
	CertDuration = 12 * time.Hour
)

const (
	// RoleNode is SSH stateless node
	RoleNode = "node"
	// RoleProxy is a stateless SSH access proxy (bastion)
	RoleProxy = "proxy"
	// RoleAuthService is authentication and authorization service,
	// the only stateful role in the system
	RoleAuthService = "auth"
)

const (
	// path to a self-signed TLS PRIVATE key file for HTTPS connection for the web proxy
	SelfSignedKeyPath = "webproxy_key.pem"
	// path to a self-signed TLS PUBLIC key file for HTTPS connection for the web proxy
	SelfSignedPubPath = "webproxy_pub.pem"
	// path to a self-signed TLS cert file for HTTPS connection for the web proxy
	SelfSignedCertPath = "webproxy_cert.pem"
)

const (
	// This is hardcoded in the U2F library
	U2FChallengeTimeout = 5 * time.Minute
)