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portlist: remove some old TODOs

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-04-09 07:49:50 -07:00
parent e638a4d86b
commit b0af15ff5c
2 changed files with 3 additions and 4 deletions
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2
portlist/portlist_linux.go
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@ -25,8 +25,6 @@
// Reading the sockfiles on Linux is very fast, so we can do it often.
const pollInterval = 1 * time.Second
// TODO(apenwarr): Include IPv6 ports eventually.
// Right now we don't route IPv6 anyway so it's better to exclude them.
var sockfiles = []string{"/proc/net/tcp", "/proc/net/tcp6", "/proc/net/udp", "/proc/net/udp6"}
var sawProcNetPermissionErr syncs.AtomicBool

5
portlist/portlist_macos.go
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@ -33,8 +33,9 @@ func listPorts() (List, error) {
// However, "netstat -na" runs ~100x faster than lsof on my machine, so
// we should do it only if the list of open ports has actually changed.
//
// TODO(apenwarr): this fails in a macOS sandbox (ie. our usual case).
// We might as well just delete this code if we can't find a solution.
// This fails in a macOS sandbox (i.e. in the Mac App Store or System
// Extension GUI build), but does at least work in the
// tailscaled-on-macos mode.
func addProcesses(pl []Port) ([]Port, error) {
if atomic.LoadInt64(&lsofFailed) != 0 {
// This previously failed in the macOS sandbox, so don't try again.