mirror of
https://github.com/tailscale/tailscale.git
synced 2025-10-31 00:01:40 +01:00
99b3f69126
Starting at a minimal binary and adding one feature back...
tailscaled tailscale combined (linux/amd64)
30073135 17451704 31543692 omitting everything
+ 480302 + 10258 + 493896 .. add debugportmapper
+ 475317 + 151943 + 467660 .. add portmapper
+ 500086 + 162873 + 510511 .. add portmapper+debugportmapper
Fixes #17148
Change-Id: I90bd0e9d1bd8cbe64fa2e885e9afef8fb5ee74b1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
|
|
// SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
//go:build !ts_omit_debugportmapper
|
|
|
|
package local
|
|
|
|
import (
|
|
"cmp"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/netip"
|
|
"net/url"
|
|
"strconv"
|
|
"time"
|
|
|
|
"tailscale.com/client/tailscale/apitype"
|
|
)
|
|
|
|
// DebugPortmapOpts contains options for the [Client.DebugPortmap] command.
|
|
type DebugPortmapOpts struct {
|
|
// Duration is how long the mapping should be created for. It defaults
|
|
// to 5 seconds if not set.
|
|
Duration time.Duration
|
|
|
|
// Type is the kind of portmap to debug. The empty string instructs the
|
|
// portmap client to perform all known types. Other valid options are
|
|
// "pmp", "pcp", and "upnp".
|
|
Type string
|
|
|
|
// GatewayAddr specifies the gateway address used during portmapping.
|
|
// If set, SelfAddr must also be set. If unset, it will be
|
|
// autodetected.
|
|
GatewayAddr netip.Addr
|
|
|
|
// SelfAddr specifies the gateway address used during portmapping. If
|
|
// set, GatewayAddr must also be set. If unset, it will be
|
|
// autodetected.
|
|
SelfAddr netip.Addr
|
|
|
|
// LogHTTP instructs the debug-portmap endpoint to print all HTTP
|
|
// requests and responses made to the logs.
|
|
LogHTTP bool
|
|
}
|
|
|
|
// DebugPortmap invokes the debug-portmap endpoint, and returns an
|
|
// io.ReadCloser that can be used to read the logs that are printed during this
|
|
// process.
|
|
//
|
|
// opts can be nil; if so, default values will be used.
|
|
func (lc *Client) DebugPortmap(ctx context.Context, opts *DebugPortmapOpts) (io.ReadCloser, error) {
|
|
vals := make(url.Values)
|
|
if opts == nil {
|
|
opts = &DebugPortmapOpts{}
|
|
}
|
|
|
|
vals.Set("duration", cmp.Or(opts.Duration, 5*time.Second).String())
|
|
vals.Set("type", opts.Type)
|
|
vals.Set("log_http", strconv.FormatBool(opts.LogHTTP))
|
|
|
|
if opts.GatewayAddr.IsValid() != opts.SelfAddr.IsValid() {
|
|
return nil, fmt.Errorf("both GatewayAddr and SelfAddr must be provided if one is")
|
|
} else if opts.GatewayAddr.IsValid() {
|
|
vals.Set("gateway_and_self", fmt.Sprintf("%s/%s", opts.GatewayAddr, opts.SelfAddr))
|
|
}
|
|
|
|
req, err := http.NewRequestWithContext(ctx, "GET", "http://"+apitype.LocalAPIHost+"/localapi/v0/debug-portmap?"+vals.Encode(), nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res, err := lc.doLocalRequestNiceError(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if res.StatusCode != 200 {
|
|
body, _ := io.ReadAll(res.Body)
|
|
res.Body.Close()
|
|
return nil, fmt.Errorf("HTTP %s: %s", res.Status, body)
|
|
}
|
|
|
|
return res.Body, nil
|
|
}
|