TheArchive/tailscale
1
0
Fork 0
mirror of https://github.com/tailscale/tailscale.git synced 2025-04-19 05:02:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

wgengine/magicsock: add TS_DEBUG_OMIT_LOCAL_ADDRS knob to force STUN use only

Browse Source 
For debugging.
This commit is contained in:
Brad Fitzpatrick 2020-07-02 09:53:10 -07:00
parent 6233fd7ac3
commit 056fbee4ef
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
wgengine/magicsock/magicsock.go
View File

@ -562,6 +562,8 @@ func (c *Conn) goDerpConnect(node int) {
go c.derpWriteChanOfAddr(netaddr.IPPort{IP: derpMagicIPAddr, Port: uint16(node)}, key.Public{}) go c.derpWriteChanOfAddr(netaddr.IPPort{IP: derpMagicIPAddr, Port: uint16(node)}, key.Public{})
} }
var debugOmitLocalAddresses, _ = strconv.ParseBool(os.Getenv("TS_DEBUG_OMIT_LOCAL_ADDRS"))
// determineEndpoints returns the machine's endpoint addresses. It // determineEndpoints returns the machine's endpoint addresses. It
// does a STUN lookup (via netcheck) to determine its public address. // does a STUN lookup (via netcheck) to determine its public address.
// //
@ -577,6 +579,9 @@ func (c *Conn) determineEndpoints(ctx context.Context) (ipPorts []string, reason
var eps []string // unique endpoints var eps []string // unique endpoints
addAddr := func(s, reason string) { addAddr := func(s, reason string) {
if debugOmitLocalAddresses && (reason == "localAddresses" || reason == "socket") {
return
}
if _, ok := already[s]; !ok { if _, ok := already[s]; !ok {
already[s] = reason already[s] = reason
eps = append(eps, s) eps = append(eps, s)