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migrate last acl tests away from database

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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby 2023-06-19 08:48:49 +02:00 committed by Kristoffer Dalby
parent e2c08db3b5
commit 155cc072f7
5 changed files with 254 additions and 271 deletions
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264
hscontrol/db/acls_test.go
View file

@ -1,264 +0,0 @@
package db
import (
"net/netip"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/juanfont/headscale/hscontrol/policy"
"github.com/juanfont/headscale/hscontrol/types"
"github.com/juanfont/headscale/hscontrol/util"
"github.com/stretchr/testify/assert"
"tailscale.com/tailcfg"
)
// TODO(kradalby):
// Convert these tests to being non-database dependent and table driven. They are
// very verbose, and dont really need the database.
// this test should validate that we can expand a group in a TagOWner section and
// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
// the tag is matched in the Sources section.
func TestValidExpandTagOwnersInSources(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:test"},
}
machine := types.Machine{
ID: 0,
MachineKey: "foo",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 0,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &policy.ACLPolicy{
Groups: policy.Groups{"group:test": []string{"user1", "user2"}},
TagOwners: policy.TagOwners{"tag:test": []string{"user3", "group:test"}},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"tag:test"},
Destinations: []string{"*:*"},
},
},
}
got, _, err := policy.GenerateFilterRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.1/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "0.0.0.0/0", Ports: tailcfg.PortRange{Last: 65535}},
{IP: "::/0", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestValidExpandTagOwnersInSources() unexpected result (-want +got):\n%s", diff)
}
}
// need a test with:
// tag on a host that isn't owned by a tag owners. So the user
// of the host should be valid.
func TestInvalidTagValidUser(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:foo"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &policy.ACLPolicy{
TagOwners: policy.TagOwners{"tag:test": []string{"user1"}},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"*:*"},
},
},
}
got, _, err := policy.GenerateFilterRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.1/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "0.0.0.0/0", Ports: tailcfg.PortRange{Last: 65535}},
{IP: "::/0", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestInvalidTagValidUser() unexpected result (-want +got):\n%s", diff)
}
}
// this test should validate that we can expand a group in a TagOWner section and
// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
// the tag is matched in the Destinations section.
func TestValidExpandTagOwnersInDestinations(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:test"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &policy.ACLPolicy{
Groups: policy.Groups{"group:test": []string{"user1", "user2"}},
TagOwners: policy.TagOwners{"tag:test": []string{"user3", "group:test"}},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"tag:test:*"},
},
},
}
// rules, _, err := policy.GenerateFilterRules(pol, &machine, peers, false)
// c.Assert(err, check.IsNil)
//
// c.Assert(rules, check.HasLen, 1)
// c.Assert(rules[0].DstPorts, check.HasLen, 1)
// c.Assert(rules[0].DstPorts[0].IP, check.Equals, "100.64.0.1/32")
got, _, err := policy.GenerateFilterRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"0.0.0.0/0", "::/0"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf(
"TestValidExpandTagOwnersInDestinations() unexpected result (-want +got):\n%s",
diff,
)
}
}
// tag on a host is owned by a tag owner, the tag is valid.
// an ACL rule is matching the tag to a user. It should not be valid since the
// host should be tied to the tag now.
func TestValidTagInvalidUser(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "webserver",
RequestTags: []string{"tag:webapp"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "webserver",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
hostInfo2 := tailcfg.Hostinfo{
OS: "debian",
Hostname: "Hostname",
}
machine2 := types.Machine{
ID: 2,
MachineKey: "56789",
NodeKey: "bar2",
DiscoKey: "faab",
Hostname: "user",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.2")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo2),
}
pol := &policy.ACLPolicy{
TagOwners: policy.TagOwners{"tag:webapp": []string{"user1"}},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"tag:webapp:80,443"},
},
},
}
got, _, err := policy.GenerateFilterRules(pol, &machine, types.Machines{machine2})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.2/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{First: 80, Last: 80}},
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{First: 443, Last: 443}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestValidTagInvalidUser() unexpected result (-want +got):\n%s", diff)
}
}

4
hscontrol/db/machine_test.go
View file

@ -292,10 +292,10 @@ func (s *Suite) TestGetACLFilteredPeers(c *check.C) {
testPeers, err := db.ListPeers(testMachine)
c.Assert(err, check.IsNil)
adminRules, _, err := policy.GenerateFilterRules(aclPolicy, adminMachine, adminPeers)
adminRules, _, err := policy.GenerateFilterAndSSHRules(aclPolicy, adminMachine, adminPeers)
c.Assert(err, check.IsNil)
testRules, _, err := policy.GenerateFilterRules(aclPolicy, testMachine, testPeers)
testRules, _, err := policy.GenerateFilterAndSSHRules(aclPolicy, testMachine, testPeers)
c.Assert(err, check.IsNil)
peersOfAdminMachine := policy.FilterMachinesByACL(adminMachine, adminPeers, adminRules)

2
hscontrol/mapper/mapper.go
View file

@ -95,7 +95,7 @@ func fullMapResponse(
return nil, err
}
rules, sshPolicy, err := policy.GenerateFilterRules(
rules, sshPolicy, err := policy.GenerateFilterAndSSHRules(
pol,
machine,
peers,

2
hscontrol/policy/acls.go
View file

@ -117,7 +117,7 @@ func LoadACLPolicyFromBytes(acl []byte, format string) (*ACLPolicy, error) {
// TODO(kradalby): This needs to be replace with something that generates
// the rules as needed and not stores it on the global object, rules are
// per node and that should be taken into account.
func GenerateFilterRules(
func GenerateFilterAndSSHRules(
policy *ACLPolicy,
machine *types.Machine,
peers types.Machines,

253
hscontrol/policy/acls_test.go
View file

@ -562,7 +562,7 @@ func (s *Suite) TestInvalidAction(c *check.C) {
},
},
}
_, _, err := GenerateFilterRules(pol, &types.Machine{}, types.Machines{})
_, _, err := GenerateFilterAndSSHRules(pol, &types.Machine{}, types.Machines{})
c.Assert(errors.Is(err, ErrInvalidAction), check.Equals, true)
}
@ -581,7 +581,7 @@ func (s *Suite) TestInvalidGroupInGroup(c *check.C) {
},
},
}
_, _, err := GenerateFilterRules(pol, &types.Machine{}, types.Machines{})
_, _, err := GenerateFilterAndSSHRules(pol, &types.Machine{}, types.Machines{})
c.Assert(errors.Is(err, ErrInvalidGroup), check.Equals, true)
}
@ -597,7 +597,7 @@ func (s *Suite) TestInvalidTagOwners(c *check.C) {
},
}
_, _, err := GenerateFilterRules(pol, &types.Machine{}, types.Machines{})
_, _, err := GenerateFilterAndSSHRules(pol, &types.Machine{}, types.Machines{})
c.Assert(errors.Is(err, ErrInvalidTag), check.Equals, true)
}
@ -2969,3 +2969,250 @@ func TestParseDestination(t *testing.T) {
})
}
}
// this test should validate that we can expand a group in a TagOWner section and
// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
// the tag is matched in the Sources section.
func TestValidExpandTagOwnersInSources(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:test"},
}
machine := types.Machine{
ID: 0,
MachineKey: "foo",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 0,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &ACLPolicy{
Groups: Groups{"group:test": []string{"user1", "user2"}},
TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
ACLs: []ACL{
{
Action: "accept",
Sources: []string{"tag:test"},
Destinations: []string{"*:*"},
},
},
}
got, _, err := GenerateFilterAndSSHRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.1/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "0.0.0.0/0", Ports: tailcfg.PortRange{Last: 65535}},
{IP: "::/0", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestValidExpandTagOwnersInSources() unexpected result (-want +got):\n%s", diff)
}
}
// need a test with:
// tag on a host that isn't owned by a tag owners. So the user
// of the host should be valid.
func TestInvalidTagValidUser(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:foo"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &ACLPolicy{
TagOwners: TagOwners{"tag:test": []string{"user1"}},
ACLs: []ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"*:*"},
},
},
}
got, _, err := GenerateFilterAndSSHRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.1/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "0.0.0.0/0", Ports: tailcfg.PortRange{Last: 65535}},
{IP: "::/0", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestInvalidTagValidUser() unexpected result (-want +got):\n%s", diff)
}
}
// this test should validate that we can expand a group in a TagOWner section and
// match properly the IP's of the related hosts. The owner is valid and the tag is also valid.
// the tag is matched in the Destinations section.
func TestValidExpandTagOwnersInDestinations(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "testmachine",
RequestTags: []string{"tag:test"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "testmachine",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
pol := &ACLPolicy{
Groups: Groups{"group:test": []string{"user1", "user2"}},
TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
ACLs: []ACL{
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"tag:test:*"},
},
},
}
// rules, _, err := GenerateFilterRules(pol, &machine, peers, false)
// c.Assert(err, check.IsNil)
//
// c.Assert(rules, check.HasLen, 1)
// c.Assert(rules[0].DstPorts, check.HasLen, 1)
// c.Assert(rules[0].DstPorts[0].IP, check.Equals, "100.64.0.1/32")
got, _, err := GenerateFilterAndSSHRules(pol, &machine, types.Machines{})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"0.0.0.0/0", "::/0"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{Last: 65535}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf(
"TestValidExpandTagOwnersInDestinations() unexpected result (-want +got):\n%s",
diff,
)
}
}
// tag on a host is owned by a tag owner, the tag is valid.
// an ACL rule is matching the tag to a user. It should not be valid since the
// host should be tied to the tag now.
func TestValidTagInvalidUser(t *testing.T) {
hostInfo := tailcfg.Hostinfo{
OS: "centos",
Hostname: "webserver",
RequestTags: []string{"tag:webapp"},
}
machine := types.Machine{
ID: 1,
MachineKey: "12345",
NodeKey: "bar",
DiscoKey: "faa",
Hostname: "webserver",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.1")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo),
}
hostInfo2 := tailcfg.Hostinfo{
OS: "debian",
Hostname: "Hostname",
}
machine2 := types.Machine{
ID: 2,
MachineKey: "56789",
NodeKey: "bar2",
DiscoKey: "faab",
Hostname: "user",
IPAddresses: types.MachineAddresses{netip.MustParseAddr("100.64.0.2")},
UserID: 1,
User: types.User{
Name: "user1",
},
RegisterMethod: util.RegisterMethodAuthKey,
HostInfo: types.HostInfo(hostInfo2),
}
pol := &ACLPolicy{
TagOwners: TagOwners{"tag:webapp": []string{"user1"}},
ACLs: []ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"tag:webapp:80,443"},
},
},
}
got, _, err := GenerateFilterAndSSHRules(pol, &machine, types.Machines{machine2})
assert.NoError(t, err)
want := []tailcfg.FilterRule{
{
SrcIPs: []string{"100.64.0.2/32"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{First: 80, Last: 80}},
{IP: "100.64.0.1/32", Ports: tailcfg.PortRange{First: 443, Last: 443}},
},
},
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("TestValidTagInvalidUser() unexpected result (-want +got):\n%s", diff)
}
}