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ipn/ipnlocal,wgengine/router,cmd/tailscale: add flag to allow local lan access when routing traffic via an exit node.

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For #1527

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2021-04-08 15:56:51 -07:00
committed by Maisem Ali
parent 854d5d36a1
commit 1b9d8771dc
8 changed files with 261 additions and 103 deletions
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32
ipn/prefs_test.go
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@@ -33,7 +33,7 @@ func fieldsOf(t reflect.Type) (fields []string) {
func TestPrefsEqual(t *testing.T) {
tstest.PanicOnLog()
prefsHandles := []string{"ControlURL", "RouteAll", "AllowSingleHosts", "ExitNodeID", "ExitNodeIP", "CorpDNS", "WantRunning", "ShieldsUp", "AdvertiseTags", "Hostname", "OSVersion", "DeviceModel", "NotepadURLs", "ForceDaemon", "AdvertiseRoutes", "NoSNAT", "NetfilterMode", "Persist"}
prefsHandles := []string{"ControlURL", "RouteAll", "AllowSingleHosts", "ExitNodeID", "ExitNodeIP", "ExitNodeAllowLANAccess", "CorpDNS", "WantRunning", "ShieldsUp", "AdvertiseTags", "Hostname", "OSVersion", "DeviceModel", "NotepadURLs", "ForceDaemon", "AdvertiseRoutes", "NoSNAT", "NetfilterMode", "Persist"}
if have := fieldsOf(reflect.TypeOf(Prefs{})); !reflect.DeepEqual(have, prefsHandles) {
t.Errorf("Prefs.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
have, prefsHandles)
@@ -124,6 +124,17 @@ func TestPrefsEqual(t *testing.T) {
true,
},
{
&Prefs{},
&Prefs{ExitNodeAllowLANAccess: true},
false,
},
{
&Prefs{ExitNodeAllowLANAccess: true},
&Prefs{ExitNodeAllowLANAccess: true},
true,
},
{
&Prefs{CorpDNS: true},
&Prefs{CorpDNS: false},
@@ -384,14 +395,29 @@ func TestPrefsPretty(t *testing.T) {
ExitNodeIP: netaddr.MustParseIP("1.2.3.4"),
},
"linux",
`Prefs{ra=false mesh=false dns=false want=false exit=1.2.3.4 routes=[] nf=off Persist=nil}`,
`Prefs{ra=false mesh=false dns=false want=false exit=1.2.3.4 lan=false routes=[] nf=off Persist=nil}`,
},
{
Prefs{
ExitNodeID: tailcfg.StableNodeID("myNodeABC"),
},
"linux",
`Prefs{ra=false mesh=false dns=false want=false exit=myNodeABC routes=[] nf=off Persist=nil}`,
`Prefs{ra=false mesh=false dns=false want=false exit=myNodeABC lan=false routes=[] nf=off Persist=nil}`,
},
{
Prefs{
ExitNodeID: tailcfg.StableNodeID("myNodeABC"),
ExitNodeAllowLANAccess: true,
},
"linux",
`Prefs{ra=false mesh=false dns=false want=false exit=myNodeABC lan=true routes=[] nf=off Persist=nil}`,
},
{
Prefs{
ExitNodeAllowLANAccess: true,
},
"linux",
`Prefs{ra=false mesh=false dns=false want=false routes=[] nf=off Persist=nil}`,
},
{
Prefs{