Link refactoring, admin socket changes

src/core/options.go

@@ -2,12 +2,25 @@ package core
 
 import (
 	"crypto/ed25519"
+	"crypto/x509"
+	"fmt"
+	"net/url"
 )
 
-func (c *Core) _applyOption(opt SetupOption) {
+func (c *Core) _applyOption(opt SetupOption) (err error) {
 	switch v := opt.(type) {
+	case RootCertificate:
+		cert := x509.Certificate(v)
+		if c.config.roots == nil {
+			c.config.roots = x509.NewCertPool()
+		}
+		c.config.roots.AddCert(&cert)
 	case Peer:
-		c.config._peers[v] = nil
+		u, err := url.Parse(v.URI)
+		if err != nil {
+			return fmt.Errorf("unable to parse peering URI: %w", err)
+		}
+		return c.links.add(u, v.SourceInterface, linkTypePersistent)
 	case ListenAddress:
 		c.config._listeners[v] = struct{}{}
 	case NodeInfo:
@@ -19,12 +32,14 @@ func (c *Core) _applyOption(opt SetupOption) {
 		copy(pk[:], v)
 		c.config._allowedPublicKeys[pk] = struct{}{}
 	}
+	return
 }
 
 type SetupOption interface {
 	isSetupOption()
 }
 
+type RootCertificate x509.Certificate
 type ListenAddress string
 type Peer struct {
 	URI             string
@@ -34,6 +49,7 @@ type NodeInfo map[string]interface{}
 type NodeInfoPrivacy bool
 type AllowedPublicKey ed25519.PublicKey
 
+func (a RootCertificate) isSetupOption()  {}
 func (a ListenAddress) isSetupOption()    {}
 func (a Peer) isSetupOption()             {}
 func (a NodeInfo) isSetupOption()         {}