add autogroup:internet, fix reduce filter rules (#1917)
This commit is contained in:
Kristoffer Dalby
GitHub
parent
ff427ccb78
commit
87e2ae4d52
3 changed files with 619 additions and 7 deletions
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@ -1765,6 +1765,108 @@ func TestACLPolicy_generateFilterRules(t *testing.T) {
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}
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}
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// tsExitNodeDest is the list of destination IP ranges that are allowed when
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// you dump the filter list from a Tailscale node connected to Tailscale SaaS.
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var tsExitNodeDest = []tailcfg.NetPortRange{
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{
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IP: "0.0.0.0-9.255.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "11.0.0.0-100.63.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "100.128.0.0-169.253.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "169.255.0.0-172.15.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "172.32.0.0-192.167.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "192.169.0.0-255.255.255.255",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "2000::-3fff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
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Ports: tailcfg.PortRangeAny,
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},
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}
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// hsExitNodeDest is the list of destination IP ranges that are allowed when
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// we use headscale "autogroup:internet"
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var hsExitNodeDest = []tailcfg.NetPortRange{
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{IP: "0.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "8.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "11.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "12.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "16.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "32.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "64.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "96.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "100.0.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "100.128.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "101.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "102.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "104.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "112.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "128.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "160.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "168.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "169.0.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "169.128.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "169.192.0.0/11", Ports: tailcfg.PortRangeAny},
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{IP: "169.224.0.0/12", Ports: tailcfg.PortRangeAny},
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{IP: "169.240.0.0/13", Ports: tailcfg.PortRangeAny},
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{IP: "169.248.0.0/14", Ports: tailcfg.PortRangeAny},
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{IP: "169.252.0.0/15", Ports: tailcfg.PortRangeAny},
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{IP: "169.255.0.0/16", Ports: tailcfg.PortRangeAny},
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{IP: "170.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "172.0.0.0/12", Ports: tailcfg.PortRangeAny},
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{IP: "172.32.0.0/11", Ports: tailcfg.PortRangeAny},
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{IP: "172.64.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "172.128.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "173.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "174.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "176.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "192.0.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "192.128.0.0/11", Ports: tailcfg.PortRangeAny},
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{IP: "192.160.0.0/13", Ports: tailcfg.PortRangeAny},
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{IP: "192.169.0.0/16", Ports: tailcfg.PortRangeAny},
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{IP: "192.170.0.0/15", Ports: tailcfg.PortRangeAny},
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{IP: "192.172.0.0/14", Ports: tailcfg.PortRangeAny},
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{IP: "192.176.0.0/12", Ports: tailcfg.PortRangeAny},
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{IP: "192.192.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "193.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "194.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "196.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "200.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "208.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "224.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "2000::/3", Ports: tailcfg.PortRangeAny},
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}
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func TestTheInternet(t *testing.T) {
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internetSet := theInternet()
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internetPrefs := internetSet.Prefixes()
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for i, _ := range internetPrefs {
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if internetPrefs[i].String() != hsExitNodeDest[i].IP {
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t.Errorf("prefix from internet set %q != hsExit list %q", internetPrefs[i].String(), hsExitNodeDest[i].IP)
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}
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}
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if len(internetPrefs) != len(hsExitNodeDest) {
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t.Fatalf("expected same length of prefixes, internet: %d, hsExit: %d", len(internetPrefs), len(hsExitNodeDest))
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}
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}
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func TestReduceFilterRules(t *testing.T) {
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tests := []struct {
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name string
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@ -1869,15 +1971,473 @@ func TestReduceFilterRules(t *testing.T) {
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},
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},
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},
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{
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name: "1786-reducing-breaks-exit-nodes-the-client",
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pol: ACLPolicy{
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Hosts: Hosts{
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// Exit node
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"internal": netip.MustParsePrefix("100.64.0.100/32"),
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},
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Groups: Groups{
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"group:team": {"user3", "user2", "user1"},
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},
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ACLs: []ACL{
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"internal:*",
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},
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},
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"autogroup:internet:*",
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},
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},
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},
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},
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node: &types.Node{
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IPv4: iap("100.64.0.1"),
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IPv6: iap("fd7a:115c:a1e0::1"),
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User: types.User{Name: "user1"},
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},
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peers: types.Nodes{
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&types.Node{
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IPv4: iap("100.64.0.2"),
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IPv6: iap("fd7a:115c:a1e0::2"),
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User: types.User{Name: "user2"},
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},
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// "internal" exit node
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&types.Node{
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IPv4: iap("100.64.0.100"),
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IPv6: iap("fd7a:115c:a1e0::100"),
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User: types.User{Name: "user100"},
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Hostinfo: &tailcfg.Hostinfo{
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RoutableIPs: []netip.Prefix{types.ExitRouteV4, types.ExitRouteV6},
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},
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},
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},
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want: []tailcfg.FilterRule{},
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},
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{
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name: "1786-reducing-breaks-exit-nodes-the-exit",
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pol: ACLPolicy{
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Hosts: Hosts{
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// Exit node
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"internal": netip.MustParsePrefix("100.64.0.100/32"),
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},
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Groups: Groups{
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"group:team": {"user3", "user2", "user1"},
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},
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ACLs: []ACL{
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"internal:*",
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},
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},
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"autogroup:internet:*",
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},
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},
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},
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},
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node: &types.Node{
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IPv4: iap("100.64.0.100"),
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IPv6: iap("fd7a:115c:a1e0::100"),
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User: types.User{Name: "user100"},
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Hostinfo: &tailcfg.Hostinfo{
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RoutableIPs: []netip.Prefix{types.ExitRouteV4, types.ExitRouteV6},
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},
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},
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peers: types.Nodes{
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&types.Node{
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IPv4: iap("100.64.0.2"),
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IPv6: iap("fd7a:115c:a1e0::2"),
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User: types.User{Name: "user2"},
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},
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&types.Node{
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IPv4: iap("100.64.0.1"),
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IPv6: iap("fd7a:115c:a1e0::1"),
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User: types.User{Name: "user1"},
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},
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},
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want: []tailcfg.FilterRule{
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{
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SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
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DstPorts: []tailcfg.NetPortRange{
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{
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IP: "100.64.0.100/32",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "fd7a:115c:a1e0::100/128",
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Ports: tailcfg.PortRangeAny,
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},
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},
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},
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{
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SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
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DstPorts: hsExitNodeDest,
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},
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},
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},
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{
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name: "1786-reducing-breaks-exit-nodes-the-example-from-issue",
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pol: ACLPolicy{
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Hosts: Hosts{
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// Exit node
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"internal": netip.MustParsePrefix("100.64.0.100/32"),
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},
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Groups: Groups{
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"group:team": {"user3", "user2", "user1"},
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},
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ACLs: []ACL{
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"internal:*",
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},
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},
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"0.0.0.0/5:*",
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"8.0.0.0/7:*",
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"11.0.0.0/8:*",
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"12.0.0.0/6:*",
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"16.0.0.0/4:*",
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"32.0.0.0/3:*",
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"64.0.0.0/2:*",
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"128.0.0.0/3:*",
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"160.0.0.0/5:*",
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"168.0.0.0/6:*",
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"172.0.0.0/12:*",
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"172.32.0.0/11:*",
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"172.64.0.0/10:*",
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"172.128.0.0/9:*",
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"173.0.0.0/8:*",
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"174.0.0.0/7:*",
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"176.0.0.0/4:*",
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"192.0.0.0/9:*",
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"192.128.0.0/11:*",
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"192.160.0.0/13:*",
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"192.169.0.0/16:*",
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"192.170.0.0/15:*",
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"192.172.0.0/14:*",
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"192.176.0.0/12:*",
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"192.192.0.0/10:*",
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"193.0.0.0/8:*",
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"194.0.0.0/7:*",
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"196.0.0.0/6:*",
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"200.0.0.0/5:*",
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"208.0.0.0/4:*",
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},
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},
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},
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},
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node: &types.Node{
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IPv4: iap("100.64.0.100"),
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IPv6: iap("fd7a:115c:a1e0::100"),
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User: types.User{Name: "user100"},
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Hostinfo: &tailcfg.Hostinfo{
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RoutableIPs: []netip.Prefix{types.ExitRouteV4, types.ExitRouteV6},
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},
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},
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peers: types.Nodes{
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&types.Node{
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IPv4: iap("100.64.0.2"),
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IPv6: iap("fd7a:115c:a1e0::2"),
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User: types.User{Name: "user2"},
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},
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&types.Node{
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IPv4: iap("100.64.0.1"),
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IPv6: iap("fd7a:115c:a1e0::1"),
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User: types.User{Name: "user1"},
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},
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},
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want: []tailcfg.FilterRule{
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{
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SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
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DstPorts: []tailcfg.NetPortRange{
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{
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IP: "100.64.0.100/32",
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Ports: tailcfg.PortRangeAny,
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},
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{
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IP: "fd7a:115c:a1e0::100/128",
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Ports: tailcfg.PortRangeAny,
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},
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},
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},
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{
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SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
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DstPorts: []tailcfg.NetPortRange{
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{IP: "0.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "8.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "11.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "12.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "16.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "32.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "64.0.0.0/2", Ports: tailcfg.PortRangeAny},
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{IP: "fd7a:115c:a1e0::1/128", Ports: tailcfg.PortRangeAny},
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{IP: "fd7a:115c:a1e0::2/128", Ports: tailcfg.PortRangeAny},
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{IP: "fd7a:115c:a1e0::100/128", Ports: tailcfg.PortRangeAny},
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{IP: "128.0.0.0/3", Ports: tailcfg.PortRangeAny},
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{IP: "160.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "168.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "172.0.0.0/12", Ports: tailcfg.PortRangeAny},
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{IP: "172.32.0.0/11", Ports: tailcfg.PortRangeAny},
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{IP: "172.64.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "172.128.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "173.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "174.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "176.0.0.0/4", Ports: tailcfg.PortRangeAny},
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{IP: "192.0.0.0/9", Ports: tailcfg.PortRangeAny},
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{IP: "192.128.0.0/11", Ports: tailcfg.PortRangeAny},
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{IP: "192.160.0.0/13", Ports: tailcfg.PortRangeAny},
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{IP: "192.169.0.0/16", Ports: tailcfg.PortRangeAny},
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{IP: "192.170.0.0/15", Ports: tailcfg.PortRangeAny},
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{IP: "192.172.0.0/14", Ports: tailcfg.PortRangeAny},
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{IP: "192.176.0.0/12", Ports: tailcfg.PortRangeAny},
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{IP: "192.192.0.0/10", Ports: tailcfg.PortRangeAny},
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{IP: "193.0.0.0/8", Ports: tailcfg.PortRangeAny},
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{IP: "194.0.0.0/7", Ports: tailcfg.PortRangeAny},
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{IP: "196.0.0.0/6", Ports: tailcfg.PortRangeAny},
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{IP: "200.0.0.0/5", Ports: tailcfg.PortRangeAny},
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{IP: "208.0.0.0/4", Ports: tailcfg.PortRangeAny},
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},
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},
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},
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},
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{
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name: "1786-reducing-breaks-exit-nodes-app-connector-like",
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pol: ACLPolicy{
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Hosts: Hosts{
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// Exit node
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"internal": netip.MustParsePrefix("100.64.0.100/32"),
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},
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Groups: Groups{
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"group:team": {"user3", "user2", "user1"},
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},
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ACLs: []ACL{
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"internal:*",
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},
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},
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{
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Action: "accept",
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Sources: []string{"group:team"},
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Destinations: []string{
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"8.0.0.0/8:*",
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"16.0.0.0/8:*",
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},
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},
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},
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},
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node: &types.Node{
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IPv4: iap("100.64.0.100"),
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IPv6: iap("fd7a:115c:a1e0::100"),
|
||||
User: types.User{Name: "user100"},
|
||||
Hostinfo: &tailcfg.Hostinfo{
|
||||
RoutableIPs: []netip.Prefix{netip.MustParsePrefix("8.0.0.0/16"), netip.MustParsePrefix("16.0.0.0/16")},
|
||||
},
|
||||
},
|
||||
peers: types.Nodes{
|
||||
&types.Node{
|
||||
IPv4: iap("100.64.0.2"),
|
||||
IPv6: iap("fd7a:115c:a1e0::2"),
|
||||
User: types.User{Name: "user2"},
|
||||
},
|
||||
&types.Node{
|
||||
IPv4: iap("100.64.0.1"),
|
||||
IPv6: iap("fd7a:115c:a1e0::1"),
|
||||
User: types.User{Name: "user1"},
|
||||
},
|
||||
},
|
||||
want: []tailcfg.FilterRule{
|
||||
{
|
||||
SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
|
||||
DstPorts: []tailcfg.NetPortRange{
|
||||
{
|
||||
IP: "100.64.0.100/32",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "fd7a:115c:a1e0::100/128",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
|
||||
DstPorts: []tailcfg.NetPortRange{
|
||||
{
|
||||
IP: "8.0.0.0/8",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "16.0.0.0/8",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "1786-reducing-breaks-exit-nodes-app-connector-like2",
|
||||
pol: ACLPolicy{
|
||||
Hosts: Hosts{
|
||||
// Exit node
|
||||
"internal": netip.MustParsePrefix("100.64.0.100/32"),
|
||||
},
|
||||
Groups: Groups{
|
||||
"group:team": {"user3", "user2", "user1"},
|
||||
},
|
||||
ACLs: []ACL{
|
||||
{
|
||||
Action: "accept",
|
||||
Sources: []string{"group:team"},
|
||||
Destinations: []string{
|
||||
"internal:*",
|
||||
},
|
||||
},
|
||||
{
|
||||
Action: "accept",
|
||||
Sources: []string{"group:team"},
|
||||
Destinations: []string{
|
||||
"8.0.0.0/16:*",
|
||||
"16.0.0.0/16:*",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
node: &types.Node{
|
||||
IPv4: iap("100.64.0.100"),
|
||||
IPv6: iap("fd7a:115c:a1e0::100"),
|
||||
User: types.User{Name: "user100"},
|
||||
Hostinfo: &tailcfg.Hostinfo{
|
||||
RoutableIPs: []netip.Prefix{netip.MustParsePrefix("8.0.0.0/8"), netip.MustParsePrefix("16.0.0.0/8")},
|
||||
},
|
||||
},
|
||||
peers: types.Nodes{
|
||||
&types.Node{
|
||||
IPv4: iap("100.64.0.2"),
|
||||
IPv6: iap("fd7a:115c:a1e0::2"),
|
||||
User: types.User{Name: "user2"},
|
||||
},
|
||||
&types.Node{
|
||||
IPv4: iap("100.64.0.1"),
|
||||
IPv6: iap("fd7a:115c:a1e0::1"),
|
||||
User: types.User{Name: "user1"},
|
||||
},
|
||||
},
|
||||
want: []tailcfg.FilterRule{
|
||||
{
|
||||
SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
|
||||
DstPorts: []tailcfg.NetPortRange{
|
||||
{
|
||||
IP: "100.64.0.100/32",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "fd7a:115c:a1e0::100/128",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
SrcIPs: []string{"100.64.0.1/32", "100.64.0.2/32", "fd7a:115c:a1e0::1/128", "fd7a:115c:a1e0::2/128"},
|
||||
DstPorts: []tailcfg.NetPortRange{
|
||||
{
|
||||
IP: "8.0.0.0/16",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "16.0.0.0/16",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "1817-reduce-breaks-32-mask",
|
||||
pol: ACLPolicy{
|
||||
Hosts: Hosts{
|
||||
"vlan1": netip.MustParsePrefix("172.16.0.0/24"),
|
||||
"dns1": netip.MustParsePrefix("172.16.0.21/32"),
|
||||
},
|
||||
Groups: Groups{
|
||||
"group:access": {"user1"},
|
||||
},
|
||||
ACLs: []ACL{
|
||||
{
|
||||
Action: "accept",
|
||||
Sources: []string{"group:access"},
|
||||
Destinations: []string{
|
||||
"tag:access-servers:*",
|
||||
"dns1:*",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
node: &types.Node{
|
||||
IPv4: iap("100.64.0.100"),
|
||||
IPv6: iap("fd7a:115c:a1e0::100"),
|
||||
User: types.User{Name: "user100"},
|
||||
Hostinfo: &tailcfg.Hostinfo{
|
||||
RoutableIPs: []netip.Prefix{netip.MustParsePrefix("172.16.0.0/24")},
|
||||
},
|
||||
ForcedTags: types.StringList{"tag:access-servers"},
|
||||
},
|
||||
peers: types.Nodes{
|
||||
&types.Node{
|
||||
IPv4: iap("100.64.0.1"),
|
||||
IPv6: iap("fd7a:115c:a1e0::1"),
|
||||
User: types.User{Name: "user1"},
|
||||
},
|
||||
},
|
||||
want: []tailcfg.FilterRule{
|
||||
{
|
||||
SrcIPs: []string{"100.64.0.1/32", "fd7a:115c:a1e0::1/128"},
|
||||
DstPorts: []tailcfg.NetPortRange{
|
||||
{
|
||||
IP: "100.64.0.100/32",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "fd7a:115c:a1e0::100/128",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
{
|
||||
IP: "172.16.0.21/32",
|
||||
Ports: tailcfg.PortRangeAny,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tt := range tests {
|
||||
t.Run(tt.name, func(t *testing.T) {
|
||||
rules, _ := tt.pol.CompileFilterRules(
|
||||
got, _ := tt.pol.CompileFilterRules(
|
||||
append(tt.peers, tt.node),
|
||||
)
|
||||
|
||||
got := ReduceFilterRules(tt.node, rules)
|
||||
got = ReduceFilterRules(tt.node, got)
|
||||
|
||||
if diff := cmp.Diff(tt.want, got); diff != "" {
|
||||
log.Trace().Interface("got", got).Msg("result")
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue