security

package
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Published: Aug 14, 2015 License: Apache-2.0 Imports: 23 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// NodeUser is used by nodes for intra-cluster traffic.
	NodeUser = "node"
	// RootUser is the default cluster administrator.
	RootUser = "root"
)
View Source
const (
	// EmbeddedCertsDir is the certs directory inside embedded assets.
	EmbeddedCertsDir = "test_certs"
)

Variables

This section is empty.

Functions

func AuthenticationHook

func AuthenticationHook(insecureMode bool, tlsState *tls.ConnectionState) (
	func(request proto.Message) error, error)

AuthenticationHook builds an authentication hook based on the security mode and client certificate. Must be called at connection time and passed the TLS state. Returns a func(proto.Message) error. The passed-in proto must implement the GetUser interface.

func GenerateCA

func GenerateCA(keySize int) ([]byte, crypto.PrivateKey, error)

GenerateCA generates a CA certificate and returns the cert bytes as well as the private key used to generate the certificate.

func GenerateClientCert

func GenerateClientCert(caCert *x509.Certificate, caKey crypto.PrivateKey, keySize int, name string) (
	[]byte, crypto.PrivateKey, error)

GenerateClientCert generates a client certificate and returns the cert bytes as well as the private key used to generate the certificate. The CA cert and private key should be passed in. 'user' is the unique username stored in the Subject.CommonName field.

func GenerateServerCert

func GenerateServerCert(caCert *x509.Certificate, caKey crypto.PrivateKey, keySize int, hosts []string) (
	[]byte, crypto.PrivateKey, error)

GenerateServerCert generates a server certificate and returns the cert bytes as well as the private key used to generate the certificate. Takes in the CA cert and key, the size of the key to generate, and the list of hosts/ip addresses this certificate applies to.

func GetCertificateUser

func GetCertificateUser(tlsState *tls.ConnectionState) (string, error)

GetCertificateUser extract the username from a client certificate.

func LoadClientTLSConfig

func LoadClientTLSConfig(certDir, username string) (*tls.Config, error)

LoadClientTLSConfig creates a client TLSConfig by loading the CA and client certs from the specified directory. The directory must contain the following files: - ca.crt -- the certificate of the cluster CA - <username>.client.crt -- the client certificate of this client; should be signed by the CA - <username>.client.key -- the certificate key If the path is prefixed with "embedded=", load the embedded certs.

func LoadInsecureClientTLSConfig

func LoadInsecureClientTLSConfig() *tls.Config

LoadInsecureClientTLSConfig creates a TLSConfig that disables TLS.

func LoadInsecureTLSConfig

func LoadInsecureTLSConfig() *tls.Config

LoadInsecureTLSConfig creates a TLSConfig that disables TLS.

func LoadServerTLSConfig

func LoadServerTLSConfig(certDir, username string) (*tls.Config, error)

LoadServerTLSConfig creates a server TLSConfig by loading our keys and certs from the specified directory. The directory must contain the following files: - ca.crt -- the certificate of the cluster CA - node.server.crt -- the server certificate of this node; should be signed by the CA - node.server.key -- the certificate key If the path is prefixed with "embedded=", load the embedded certs. We should never have username != "node", but this is a good way to catch tests that use the wrong users.

func LogRequestCertificates

func LogRequestCertificates(r *http.Request)

LogRequestCertificates examines a http request and logs a summary of the TLS config.

func LogTLSState

func LogTLSState(method string, tlsState *tls.ConnectionState)

LogTLSState logs information about TLS state in the form: "<method>: perr certs: [<Subject.CommonName>...], chain: [[<CommonName>...][..]]"

func PromptForPasswordAndHash

func PromptForPasswordAndHash() ([]byte, error)

PromptForPasswordAndHash prompts for a password on the stdin twice, and if both match, returns a bcrypt hashed password.

func ResetReadFileFn

func ResetReadFileFn()

ResetReadFileFn is the counterpart to SetReadFileFn, restoring the original behaviour for loading certificate related data from disk.

func RunCreateCACert

func RunCreateCACert(certsDir string, keySize int) error

RunCreateCACert is the entry-point from the command-line interface to generate CA cert and key.

func RunCreateClientCert

func RunCreateClientCert(certsDir string, keySize int, username string) error

RunCreateClientCert is the entry-point from the command-line interface to generate a client cert and key.

func RunCreateNodeCert

func RunCreateNodeCert(certsDir string, keySize int, hosts []string) error

RunCreateNodeCert is the entry-point from the command-line interface to generate node certs and keys: - node.server.{crt,key}: server cert with list of dns/ip addresses - node.client.{crt,key}: client cert with "node" as the Common Name. We intentionally generate distinct keys for each cert.

func SetReadFileFn

func SetReadFileFn(f func(string) ([]byte, error))

SetReadFileFn allows to switch out ioutil.ReadFile by a mock for testing purposes.

Types

This section is empty.

Directories

Path Synopsis
Package securitytest embeds the TLS test certificates.
Package securitytest embeds the TLS test certificates.

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