sunos: permissions workaround

Author: nshalman

ipn/ipnserver/server.go

@@ -347,6 +347,9 @@ func (a *actor) Permissions(operatorUID string) (read, write bool) {
 		return true, true
 	case "js", "plan9":
 		return true, true
+	// TODO(nshalman) why is this needed
+	case "solaris", "illumos":
+		return true, true
 	}
 	if a.ci.IsUnixSock() {
 		return true, !a.ci.IsReadonlyConn(operatorUID, logger.Discard)