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ipn/ipnserver, cmd/hello: do whois over unix socket, not debug http

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Start of a local HTTP API. Not a stable interface yet.
This commit is contained in:
Brad Fitzpatrick
2021-01-29 13:18:23 -08:00
parent fe7c3e9c17
commit 006a224f50
2 changed files with 36 additions and 9 deletions
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19
ipn/ipnserver/server.go
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@@ -115,10 +115,11 @@ type server struct {
// connIdentity represents the owner of a localhost TCP connection.
type connIdentity struct {
Unknown bool
Pid int
UserID string
User *user.User
Unknown bool
Pid int
UserID string
User *user.User
IsUnixSock bool
}
// getConnIdentity returns the localhost TCP connection's identity information
@@ -127,7 +128,9 @@ type connIdentity struct {
// to be able to map it and couldn't.
func (s *server) getConnIdentity(c net.Conn) (ci connIdentity, err error) {
if runtime.GOOS != "windows" { // for now; TODO: expand to other OSes
return connIdentity{Unknown: true}, nil
ci = connIdentity{Unknown: true}
_, ci.IsUnixSock = c.(*net.UnixConn)
return ci, nil
}
la, err := netaddr.ParseIPPort(c.LocalAddr().String())
if err != nil {
@@ -622,7 +625,7 @@ func Run(ctx context.Context, logf logger.Logf, logid string, getEngine func() (
opts.DebugMux.HandleFunc("/debug/ipn", func(w http.ResponseWriter, r *http.Request) {
serveHTMLStatus(w, b)
})
opts.DebugMux.Handle("/whois", whoIsHandler{b})
opts.DebugMux.Handle("/localapi/v0/whois", whoIsHandler{b})
}
server.b = b
@@ -863,6 +866,10 @@ func (psc *protoSwitchConn) Close() error {
func (s *server) localhostHandler(ci connIdentity) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if ci.IsUnixSock && r.URL.Path == "/localapi/v0/whois" {
whoIsHandler{s.b}.ServeHTTP(w, r)
return
}
if ci.Unknown {
io.WriteString(w, "<html><title>Tailscale</title><body><h1>Tailscale</h1>This is the local Tailscale daemon.")
return