tailscale/appctype/appconnector.go
James Tucker ce0830837d appctype: introduce a configuration schema for app connectors
Updates tailscale/corp#15043

Signed-off-by: James Tucker <james@tailscale.com>
2023-10-12 10:49:23 -07:00

60 lines
2.2 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Package appcfg contains an experimental configuration structure for
// "tailscale.com/app-connector" capmap extensions.
package appctype
import (
"net/netip"
"tailscale.com/tailcfg"
)
// ConfigID is an opaque identifier for a configuration.
type ConfigID string
// AppConnectorConfig is the configuration structure for an application
// connection proxy service.
type AppConnectorConfig struct {
// DNAT is a map of destination NAT configurations.
DNAT map[ConfigID]DNATConfig `json:",omitempty"`
// SNIProxy is a map of SNI proxy configurations.
SNIProxy map[ConfigID]SNIProxyConfig `json:",omitempty"`
// AdvertiseRoutes indicates that the node should advertise routes for each
// of the addresses in service configuration address lists. If false, the
// routes have already been advertised.
AdvertiseRoutes bool `json:",omitempty"`
}
// DNATConfig is the configuration structure for a destination NAT service, also
// known as a "port forward" or "port proxy".
type DNATConfig struct {
// Addrs is a list of addresses to listen on.
Addrs []netip.Addr `json:",omitempty"`
// To is a list of destination addresses to forward traffic to. It should
// only contain one domain, or a list of IP addresses.
To []string `json:",omitempty"`
// IP is a list of IP specifications to forward. If omitted, all protocols are
// forwarded. IP specifications are of the form "tcp/80", "udp/53", etc.
IP []tailcfg.ProtoPortRange `json:",omitempty"`
}
// SNIPRoxyConfig is the configuration structure for an SNI proxy service,
// forwarding TLS connections based on the hostname field in SNI.
type SNIProxyConfig struct {
// Addrs is a list of addresses to listen on.
Addrs []netip.Addr `json:",omitempty"`
// IP is a list of IP specifications to forward. If omitted, all protocols are
// forwarded. IP specifications are of the form "tcp/80", "udp/53", etc.
IP []tailcfg.ProtoPortRange `json:",omitempty"`
// AllowedDomains is a list of domains that are allowed to be proxied. If
// the domain starts with a `.` that means any subdomain of the suffix.
AllowedDomains []string `json:",omitempty"`
}