headscale/dns_test.go

312 lines
8.7 KiB
Go

package headscale
import (
"fmt"
"gopkg.in/check.v1"
"inet.af/netaddr"
"tailscale.com/tailcfg"
"tailscale.com/types/dnstype"
)
func (s *Suite) TestMagicDNSRootDomains100(c *check.C) {
prefix := netaddr.MustParseIPPrefix("100.64.0.0/10")
domains, err := generateMagicDNSRootDomains(prefix, "foobar.headscale.net")
c.Assert(err, check.IsNil)
found := false
for _, domain := range domains {
if domain == "64.100.in-addr.arpa." {
found = true
break
}
}
c.Assert(found, check.Equals, true)
found = false
for _, domain := range domains {
if domain == "100.100.in-addr.arpa." {
found = true
break
}
}
c.Assert(found, check.Equals, true)
found = false
for _, domain := range domains {
if domain == "127.100.in-addr.arpa." {
found = true
break
}
}
c.Assert(found, check.Equals, true)
}
func (s *Suite) TestMagicDNSRootDomains172(c *check.C) {
prefix := netaddr.MustParseIPPrefix("172.16.0.0/16")
domains, err := generateMagicDNSRootDomains(prefix, "headscale.net")
c.Assert(err, check.IsNil)
found := false
for _, domain := range domains {
if domain == "0.16.172.in-addr.arpa." {
found = true
break
}
}
c.Assert(found, check.Equals, true)
found = false
for _, domain := range domains {
if domain == "255.16.172.in-addr.arpa." {
found = true
break
}
}
c.Assert(found, check.Equals, true)
}
func (s *Suite) TestDNSConfigMapResponseWithMagicDNS(c *check.C) {
n1, err := h.CreateNamespace("shared1")
c.Assert(err, check.IsNil)
n2, err := h.CreateNamespace("shared2")
c.Assert(err, check.IsNil)
n3, err := h.CreateNamespace("shared3")
c.Assert(err, check.IsNil)
pak1n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak2n2, err := h.CreatePreAuthKey(n2.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak3n3, err := h.CreatePreAuthKey(n3.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak4n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil)
_, err = h.GetMachine(n1.Name, "test_get_shared_nodes_1")
c.Assert(err, check.NotNil)
m1 := &Machine{
ID: 1,
MachineKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
NodeKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
DiscoKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
Name: "test_get_shared_nodes_1",
NamespaceID: n1.ID,
Namespace: *n1,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.1",
AuthKeyID: uint(pak1n1.ID),
}
h.db.Save(m1)
_, err = h.GetMachine(n1.Name, m1.Name)
c.Assert(err, check.IsNil)
m2 := &Machine{
ID: 2,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_2",
NamespaceID: n2.ID,
Namespace: *n2,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.2",
AuthKeyID: uint(pak2n2.ID),
}
h.db.Save(m2)
_, err = h.GetMachine(n2.Name, m2.Name)
c.Assert(err, check.IsNil)
m3 := &Machine{
ID: 3,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_3",
NamespaceID: n3.ID,
Namespace: *n3,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.3",
AuthKeyID: uint(pak3n3.ID),
}
h.db.Save(m3)
_, err = h.GetMachine(n3.Name, m3.Name)
c.Assert(err, check.IsNil)
m4 := &Machine{
ID: 4,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_4",
NamespaceID: n1.ID,
Namespace: *n1,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.4",
AuthKeyID: uint(pak4n1.ID),
}
h.db.Save(m4)
err = h.AddSharedMachineToNamespace(m2, n1)
c.Assert(err, check.IsNil)
baseDomain := "foobar.headscale.net"
dnsConfigOrig := tailcfg.DNSConfig{
Routes: make(map[string][]dnstype.Resolver),
Domains: []string{baseDomain},
Proxied: true,
}
m1peers, err := h.getPeers(m1)
c.Assert(err, check.IsNil)
dnsConfig, err := getMapResponseDNSConfig(&dnsConfigOrig, baseDomain, *m1, m1peers)
c.Assert(err, check.IsNil)
c.Assert(dnsConfig, check.NotNil)
c.Assert(len(dnsConfig.Routes), check.Equals, 2)
routeN1 := fmt.Sprintf("%s.%s", n1.Name, baseDomain)
_, ok := dnsConfig.Routes[routeN1]
c.Assert(ok, check.Equals, true)
routeN2 := fmt.Sprintf("%s.%s", n2.Name, baseDomain)
_, ok = dnsConfig.Routes[routeN2]
c.Assert(ok, check.Equals, true)
routeN3 := fmt.Sprintf("%s.%s", n3.Name, baseDomain)
_, ok = dnsConfig.Routes[routeN3]
c.Assert(ok, check.Equals, false)
}
func (s *Suite) TestDNSConfigMapResponseWithoutMagicDNS(c *check.C) {
n1, err := h.CreateNamespace("shared1")
c.Assert(err, check.IsNil)
n2, err := h.CreateNamespace("shared2")
c.Assert(err, check.IsNil)
n3, err := h.CreateNamespace("shared3")
c.Assert(err, check.IsNil)
pak1n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak2n2, err := h.CreatePreAuthKey(n2.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak3n3, err := h.CreatePreAuthKey(n3.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak4n1, err := h.CreatePreAuthKey(n1.Name, false, false, nil)
c.Assert(err, check.IsNil)
_, err = h.GetMachine(n1.Name, "test_get_shared_nodes_1")
c.Assert(err, check.NotNil)
m1 := &Machine{
ID: 1,
MachineKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
NodeKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
DiscoKey: "686824e749f3b7f2a5927ee6c1e422aee5292592d9179a271ed7b3e659b44a66",
Name: "test_get_shared_nodes_1",
NamespaceID: n1.ID,
Namespace: *n1,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.1",
AuthKeyID: uint(pak1n1.ID),
}
h.db.Save(m1)
_, err = h.GetMachine(n1.Name, m1.Name)
c.Assert(err, check.IsNil)
m2 := &Machine{
ID: 2,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_2",
NamespaceID: n2.ID,
Namespace: *n2,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.2",
AuthKeyID: uint(pak2n2.ID),
}
h.db.Save(m2)
_, err = h.GetMachine(n2.Name, m2.Name)
c.Assert(err, check.IsNil)
m3 := &Machine{
ID: 3,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_3",
NamespaceID: n3.ID,
Namespace: *n3,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.3",
AuthKeyID: uint(pak3n3.ID),
}
h.db.Save(m3)
_, err = h.GetMachine(n3.Name, m3.Name)
c.Assert(err, check.IsNil)
m4 := &Machine{
ID: 4,
MachineKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
NodeKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
DiscoKey: "dec46ef9dc45c7d2f03bfcd5a640d9e24e3cc68ce3d9da223867c9bc6d5e9863",
Name: "test_get_shared_nodes_4",
NamespaceID: n1.ID,
Namespace: *n1,
Registered: true,
RegisterMethod: "authKey",
IPAddress: "100.64.0.4",
AuthKeyID: uint(pak4n1.ID),
}
h.db.Save(m4)
err = h.AddSharedMachineToNamespace(m2, n1)
c.Assert(err, check.IsNil)
baseDomain := "foobar.headscale.net"
dnsConfigOrig := tailcfg.DNSConfig{
Routes: make(map[string][]dnstype.Resolver),
Domains: []string{baseDomain},
Proxied: false,
}
m1peers, err := h.getPeers(m1)
c.Assert(err, check.IsNil)
dnsConfig, err := getMapResponseDNSConfig(&dnsConfigOrig, baseDomain, *m1, m1peers)
c.Assert(err, check.IsNil)
c.Assert(dnsConfig, check.NotNil)
c.Assert(len(dnsConfig.Routes), check.Equals, 0)
c.Assert(len(dnsConfig.Domains), check.Equals, 1)
}