86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package tlsopts
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import (
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"crypto/tls"
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"crypto/x509"
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"storj.io/common/identity"
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"storj.io/common/peertls"
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"storj.io/common/storj"
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)
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// ServerTLSConfig returns a TSLConfig for use as a server in handshaking with a peer.
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func (opts *Options) ServerTLSConfig() *tls.Config {
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return opts.tlsConfig(true)
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}
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// ClientTLSConfig returns a TSLConfig for use as a client in handshaking with a peer.
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func (opts *Options) ClientTLSConfig(id storj.NodeID) *tls.Config {
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return opts.tlsConfig(false, verifyIdentity(id))
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}
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// UnverifiedClientTLSConfig returns a TLSConfig for use as a client in handshaking with
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// an unknown peer.
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func (opts *Options) UnverifiedClientTLSConfig() *tls.Config {
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return opts.tlsConfig(false)
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}
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func (opts *Options) tlsConfig(isServer bool, verificationFuncs ...peertls.PeerCertVerificationFunc) *tls.Config {
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verificationFuncs = append(
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[]peertls.PeerCertVerificationFunc{
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peertls.VerifyPeerCertChains,
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},
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verificationFuncs...,
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)
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switch isServer {
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case true:
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verificationFuncs = append(
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verificationFuncs,
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opts.VerificationFuncs.server...,
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)
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case false:
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verificationFuncs = append(
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verificationFuncs,
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opts.VerificationFuncs.client...,
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)
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}
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/* #nosec G402 */ // We don't use trusted root certificates, since storage
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// nodes might not have a CA signed certificate. We use node id-s for the
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// verification instead, that's why we enable InsecureSkipVerify
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config := &tls.Config{
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Certificates: []tls.Certificate{*opts.Cert},
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InsecureSkipVerify: true,
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MinVersion: tls.VersionTLS12,
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DynamicRecordSizingDisabled: true, // always start with big records
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VerifyPeerCertificate: peertls.VerifyPeerFunc(
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verificationFuncs...,
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),
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}
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if isServer {
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config.ClientAuth = tls.RequireAnyClientCert
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}
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return config
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}
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func verifyIdentity(id storj.NodeID) peertls.PeerCertVerificationFunc {
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return func(_ [][]byte, parsedChains [][]*x509.Certificate) (err error) {
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defer mon.TaskNamed("verifyIdentity")(nil)(&err)
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peer, err := identity.PeerIdentityFromChain(parsedChains[0])
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if err != nil {
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return err
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}
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if peer.ID.String() != id.String() {
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return Error.New("peer ID did not match requested ID")
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}
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return nil
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}
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}
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