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headscale/integration/acl_test.go
Kristoffer Dalby 1766e6b5df General fixups discovered by checking errors 
There was a lot of tests that actually threw a lot of errors and that did
not pass all the way because we didnt check everything. This commit should
fix all of these cases.

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
2023-09-05 08:47:43 +02:00

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package integration
import (
"fmt"
"net/netip"
"strings"
"testing"
"github.com/juanfont/headscale/hscontrol/policy"
"github.com/juanfont/headscale/integration/hsic"
"github.com/juanfont/headscale/integration/tsic"
"github.com/stretchr/testify/assert"
)
var veryLargeDestination = []string{
"0.0.0.0/5:*",
"8.0.0.0/7:*",
"11.0.0.0/8:*",
"12.0.0.0/6:*",
"16.0.0.0/4:*",
"32.0.0.0/3:*",
"64.0.0.0/2:*",
"128.0.0.0/3:*",
"160.0.0.0/5:*",
"168.0.0.0/6:*",
"172.0.0.0/12:*",
"172.32.0.0/11:*",
"172.64.0.0/10:*",
"172.128.0.0/9:*",
"173.0.0.0/8:*",
"174.0.0.0/7:*",
"176.0.0.0/4:*",
"192.0.0.0/9:*",
"192.128.0.0/11:*",
"192.160.0.0/13:*",
"192.169.0.0/16:*",
"192.170.0.0/15:*",
"192.172.0.0/14:*",
"192.176.0.0/12:*",
"192.192.0.0/10:*",
"193.0.0.0/8:*",
"194.0.0.0/7:*",
"196.0.0.0/6:*",
"200.0.0.0/5:*",
"208.0.0.0/4:*",
}
func aclScenario(
t *testing.T,
policy *policy.ACLPolicy,
clientsPerUser int,
) *Scenario {
t.Helper()
scenario, err := NewScenario()
assertNoErr(t, err)
spec := map[string]int{
"user1": clientsPerUser,
"user2": clientsPerUser,
}
err = scenario.CreateHeadscaleEnv(spec,
[]tsic.Option{
// Alpine containers dont have ip6tables set up, which causes
// tailscaled to stop configuring the wgengine, causing it
// to not configure DNS.
tsic.WithNetfilter("off"),
tsic.WithDockerEntrypoint([]string{
"/bin/sh",
"-c",
"/bin/sleep 3 ; apk add python3 curl ; update-ca-certificates ; python3 -m http.server --bind :: 80 & tailscaled --tun=tsdev",
}),
tsic.WithDockerWorkdir("/"),
},
hsic.WithACLPolicy(policy),
hsic.WithTestName("acl"),
)
assertNoErr(t, err)
_, err = scenario.ListTailscaleClientsFQDNs()
assertNoErrListFQDN(t, err)
return scenario
}
// This tests a different ACL mechanism, if a host _cannot_ connect
// to another node at all based on ACL, it should just not be part
// of the NetMap sent to the host. This is slightly different than
// the other tests as we can just check if the hosts are present
// or not.
func TestACLHostsInNetMapTable(t *testing.T) {
IntegrationSkip(t)
// NOTE: All want cases currently checks the
// total count of expected peers, this would
// typically be the client count of the users
// they can access minus one (them self).
tests := map[string]struct {
users map[string]int
policy policy.ACLPolicy
want map[string]int
}{
// Test that when we have no ACL, each client netmap has
// the amount of peers of the total amount of clients
"base-acls": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"*:*"},
},
},
}, want: map[string]int{
"user1": 3, // ns1 + ns2
"user2": 3, // ns2 + ns1
},
},
// Test that when we have two users, which cannot see
// eachother, each node has only the number of pairs from
// their own user.
"two-isolated-users": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user1:*"},
},
{
Action: "accept",
Sources: []string{"user2"},
Destinations: []string{"user2:*"},
},
},
}, want: map[string]int{
"user1": 1,
"user2": 1,
},
},
// Test that when we have two users, with ACLs and they
// are restricted to a single port, nodes are still present
// in the netmap.
"two-restricted-present-in-netmap": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user1:22"},
},
{
Action: "accept",
Sources: []string{"user2"},
Destinations: []string{"user2:22"},
},
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user2:22"},
},
{
Action: "accept",
Sources: []string{"user2"},
Destinations: []string{"user1:22"},
},
},
}, want: map[string]int{
"user1": 3,
"user2": 3,
},
},
// Test that when we have two users, that are isolated,
// but one can see the others, we have the appropriate number
// of peers. This will still result in all the peers as we
// need them present on the other side for the "return path".
"two-ns-one-isolated": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user1:*"},
},
{
Action: "accept",
Sources: []string{"user2"},
Destinations: []string{"user2:*"},
},
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user2:*"},
},
},
}, want: map[string]int{
"user1": 3, // ns1 + ns2
"user2": 3, // ns1 + ns2 (return path)
},
},
"very-large-destination-prefix-1372": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: append([]string{"user1:*"}, veryLargeDestination...),
},
{
Action: "accept",
Sources: []string{"user2"},
Destinations: append([]string{"user2:*"}, veryLargeDestination...),
},
{
Action: "accept",
Sources: []string{"user1"},
Destinations: append([]string{"user2:*"}, veryLargeDestination...),
},
},
}, want: map[string]int{
"user1": 3, // ns1 + ns2
"user2": 3, // ns1 + ns2 (return path)
},
},
"ipv6-acls-1470": {
users: map[string]int{
"user1": 2,
"user2": 2,
},
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"0.0.0.0/0:*", "::/0:*"},
},
},
}, want: map[string]int{
"user1": 3, // ns1 + ns2
"user2": 3, // ns2 + ns1
},
},
}
for name, testCase := range tests {
t.Run(name, func(t *testing.T) {
scenario, err := NewScenario()
assertNoErr(t, err)
spec := testCase.users
err = scenario.CreateHeadscaleEnv(spec,
[]tsic.Option{},
hsic.WithACLPolicy(&testCase.policy),
)
assertNoErr(t, err)
defer scenario.Shutdown()
allClients, err := scenario.ListTailscaleClients()
assertNoErr(t, err)
err = scenario.WaitForTailscaleSyncWithPeerCount(testCase.want["user1"])
assertNoErrSync(t, err)
for _, client := range allClients {
status, err := client.Status()
assertNoErr(t, err)
user := status.User[status.Self.UserID].LoginName
assert.Equal(t, (testCase.want[user]), len(status.Peer))
}
})
}
}
// Test to confirm that we can use user:80 from one user
// This should make the node appear in the peer list, but
// disallow ping.
// This ACL will not allow user1 access its own machines.
// Reported: https://github.com/juanfont/headscale/issues/699
func TestACLAllowUser80Dst(t *testing.T) {
IntegrationSkip(t)
scenario := aclScenario(t,
&policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user2:80"},
},
},
},
1,
)
defer scenario.Shutdown()
user1Clients, err := scenario.ListTailscaleClients("user1")
assertNoErr(t, err)
user2Clients, err := scenario.ListTailscaleClients("user2")
assertNoErr(t, err)
// Test that user1 can visit all user2
for _, client := range user1Clients {
for _, peer := range user2Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Len(t, result, 13)
assertNoErr(t, err)
}
}
// Test that user2 _cannot_ visit user1
for _, client := range user2Clients {
for _, peer := range user1Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Empty(t, result)
assert.Error(t, err)
}
}
}
func TestACLDenyAllPort80(t *testing.T) {
IntegrationSkip(t)
scenario := aclScenario(t,
&policy.ACLPolicy{
Groups: map[string][]string{
"group:integration-acl-test": {"user1", "user2"},
},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"group:integration-acl-test"},
Destinations: []string{"*:22"},
},
},
},
4,
)
defer scenario.Shutdown()
allClients, err := scenario.ListTailscaleClients()
assertNoErr(t, err)
allHostnames, err := scenario.ListTailscaleClientsFQDNs()
assertNoErr(t, err)
for _, client := range allClients {
for _, hostname := range allHostnames {
// We will always be allowed to check _self_ so shortcircuit
// the test here.
if strings.Contains(hostname, client.Hostname()) {
continue
}
url := fmt.Sprintf("http://%s/etc/hostname", hostname)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Empty(t, result)
assert.Error(t, err)
}
}
}
// Test to confirm that we can use user:* from one user.
// This ACL will not allow user1 access its own machines.
// Reported: https://github.com/juanfont/headscale/issues/699
func TestACLAllowUserDst(t *testing.T) {
IntegrationSkip(t)
scenario := aclScenario(t,
&policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"user2:*"},
},
},
},
2,
)
defer scenario.Shutdown()
user1Clients, err := scenario.ListTailscaleClients("user1")
assertNoErr(t, err)
user2Clients, err := scenario.ListTailscaleClients("user2")
assertNoErr(t, err)
// Test that user1 can visit all user2
for _, client := range user1Clients {
for _, peer := range user2Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Len(t, result, 13)
assertNoErr(t, err)
}
}
// Test that user2 _cannot_ visit user1
for _, client := range user2Clients {
for _, peer := range user1Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Empty(t, result)
assert.Error(t, err)
}
}
}
// Test to confirm that we can use *:* from one user
// Reported: https://github.com/juanfont/headscale/issues/699
func TestACLAllowStarDst(t *testing.T) {
IntegrationSkip(t)
scenario := aclScenario(t,
&policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"user1"},
Destinations: []string{"*:*"},
},
},
},
2,
)
defer scenario.Shutdown()
user1Clients, err := scenario.ListTailscaleClients("user1")
assertNoErr(t, err)
user2Clients, err := scenario.ListTailscaleClients("user2")
assertNoErr(t, err)
// Test that user1 can visit all user2
for _, client := range user1Clients {
for _, peer := range user2Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Len(t, result, 13)
assertNoErr(t, err)
}
}
// Test that user2 _cannot_ visit user1
for _, client := range user2Clients {
for _, peer := range user1Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Empty(t, result)
assert.Error(t, err)
}
}
}
// TestACLNamedHostsCanReachBySubnet is the same as
// TestACLNamedHostsCanReach, but it tests if we expand a
// full CIDR correctly. All routes should work.
func TestACLNamedHostsCanReachBySubnet(t *testing.T) {
IntegrationSkip(t)
scenario := aclScenario(t,
&policy.ACLPolicy{
Hosts: policy.Hosts{
"all": netip.MustParsePrefix("100.64.0.0/24"),
},
ACLs: []policy.ACL{
// Everyone can curl test3
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"all:*"},
},
},
},
3,
)
defer scenario.Shutdown()
user1Clients, err := scenario.ListTailscaleClients("user1")
assertNoErr(t, err)
user2Clients, err := scenario.ListTailscaleClients("user2")
assertNoErr(t, err)
// Test that user1 can visit all user2
for _, client := range user1Clients {
for _, peer := range user2Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Len(t, result, 13)
assertNoErr(t, err)
}
}
// Test that user2 can visit all user1
for _, client := range user2Clients {
for _, peer := range user1Clients {
fqdn, err := peer.FQDN()
assertNoErr(t, err)
url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
t.Logf("url from %s to %s", client.Hostname(), url)
result, err := client.Curl(url)
assert.Len(t, result, 13)
assertNoErr(t, err)
}
}
}
// This test aims to cover cases where individual hosts are allowed and denied
// access based on their assigned hostname
// https://github.com/juanfont/headscale/issues/941
//
// ACL = [{
// "DstPorts": [{
// "Bits": null,
// "IP": "100.64.0.3/32",
// "Ports": {
// "First": 0,
// "Last": 65535
// }
// }],
// "SrcIPs": ["*"]
// }, {
//
// "DstPorts": [{
// "Bits": null,
// "IP": "100.64.0.2/32",
// "Ports": {
// "First": 0,
// "Last": 65535
// }
// }],
// "SrcIPs": ["100.64.0.1/32"]
// }]
//
// ACL Cache Map= {
// "*": {
// "100.64.0.3/32": {}
// },
// "100.64.0.1/32": {
// "100.64.0.2/32": {}
// }
// }
//
// https://github.com/juanfont/headscale/issues/941
// Additionally verify ipv6 behaviour, part of
// https://github.com/juanfont/headscale/issues/809
func TestACLNamedHostsCanReach(t *testing.T) {
IntegrationSkip(t)
tests := map[string]struct {
policy policy.ACLPolicy
}{
"ipv4": {
policy: policy.ACLPolicy{
Hosts: policy.Hosts{
"test1": netip.MustParsePrefix("100.64.0.1/32"),
"test2": netip.MustParsePrefix("100.64.0.2/32"),
"test3": netip.MustParsePrefix("100.64.0.3/32"),
},
ACLs: []policy.ACL{
// Everyone can curl test3
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"test3:*"},
},
// test1 can curl test2
{
Action: "accept",
Sources: []string{"test1"},
Destinations: []string{"test2:*"},
},
},
},
},
"ipv6": {
policy: policy.ACLPolicy{
Hosts: policy.Hosts{
"test1": netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
"test2": netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
"test3": netip.MustParsePrefix("fd7a:115c:a1e0::3/128"),
},
ACLs: []policy.ACL{
// Everyone can curl test3
{
Action: "accept",
Sources: []string{"*"},
Destinations: []string{"test3:*"},
},
// test1 can curl test2
{
Action: "accept",
Sources: []string{"test1"},
Destinations: []string{"test2:*"},
},
},
},
},
}
for name, testCase := range tests {
t.Run(name, func(t *testing.T) {
scenario := aclScenario(t,
&testCase.policy,
2,
)
defer scenario.Shutdown()
// Since user/users dont matter here, we basically expect that some clients
// will be assigned these ips and that we can pick them up for our own use.
test1ip4 := netip.MustParseAddr("100.64.0.1")
test1ip6 := netip.MustParseAddr("fd7a:115c:a1e0::1")
test1, err := scenario.FindTailscaleClientByIP(test1ip6)
assertNoErr(t, err)
test1fqdn, err := test1.FQDN()
assertNoErr(t, err)
test1ip4URL := fmt.Sprintf("http://%s/etc/hostname", test1ip4.String())
test1ip6URL := fmt.Sprintf("http://[%s]/etc/hostname", test1ip6.String())
test1fqdnURL := fmt.Sprintf("http://%s/etc/hostname", test1fqdn)
test2ip4 := netip.MustParseAddr("100.64.0.2")
test2ip6 := netip.MustParseAddr("fd7a:115c:a1e0::2")
test2, err := scenario.FindTailscaleClientByIP(test2ip6)
assertNoErr(t, err)
test2fqdn, err := test2.FQDN()
assertNoErr(t, err)
test2ip4URL := fmt.Sprintf("http://%s/etc/hostname", test2ip4.String())
test2ip6URL := fmt.Sprintf("http://[%s]/etc/hostname", test2ip6.String())
test2fqdnURL := fmt.Sprintf("http://%s/etc/hostname", test2fqdn)
test3ip4 := netip.MustParseAddr("100.64.0.3")
test3ip6 := netip.MustParseAddr("fd7a:115c:a1e0::3")
test3, err := scenario.FindTailscaleClientByIP(test3ip6)
assertNoErr(t, err)
test3fqdn, err := test3.FQDN()
assertNoErr(t, err)
test3ip4URL := fmt.Sprintf("http://%s/etc/hostname", test3ip4.String())
test3ip6URL := fmt.Sprintf("http://[%s]/etc/hostname", test3ip6.String())
test3fqdnURL := fmt.Sprintf("http://%s/etc/hostname", test3fqdn)
// test1 can query test3
result, err := test1.Curl(test3ip4URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3ip4URL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test3ip6URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3ip6URL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test3fqdnURL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3fqdnURL,
result,
)
assertNoErr(t, err)
// test2 can query test3
result, err = test2.Curl(test3ip4URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3ip4URL,
result,
)
assertNoErr(t, err)
result, err = test2.Curl(test3ip6URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3ip6URL,
result,
)
assertNoErr(t, err)
result, err = test2.Curl(test3fqdnURL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test3 with URL %s, expected hostname of 13 chars, got %s",
test3fqdnURL,
result,
)
assertNoErr(t, err)
// test3 cannot query test1
result, err = test3.Curl(test1ip4URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test3.Curl(test1ip6URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test3.Curl(test1fqdnURL)
assert.Empty(t, result)
assert.Error(t, err)
// test3 cannot query test2
result, err = test3.Curl(test2ip4URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test3.Curl(test2ip6URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test3.Curl(test2fqdnURL)
assert.Empty(t, result)
assert.Error(t, err)
// test1 can query test2
result, err = test1.Curl(test2ip4URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test2 with URL %s, expected hostname of 13 chars, got %s",
test2ip4URL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test2ip6URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test2 with URL %s, expected hostname of 13 chars, got %s",
test2ip6URL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test2fqdnURL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test2 with URL %s, expected hostname of 13 chars, got %s",
test2fqdnURL,
result,
)
assertNoErr(t, err)
// test2 cannot query test1
result, err = test2.Curl(test1ip4URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test2.Curl(test1ip6URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test2.Curl(test1fqdnURL)
assert.Empty(t, result)
assert.Error(t, err)
})
}
}
// TestACLDevice1CanAccessDevice2 is a table driven test that aims to test
// the various ways to achieve a connection between device1 and device2 where
// device1 can access device2, but not the other way around. This can be
// viewed as one of the most important tests here as it covers most of the
// syntax that can be used.
//
// Before adding new taste cases, consider if it can be reduced to a case
// in this function.
func TestACLDevice1CanAccessDevice2(t *testing.T) {
IntegrationSkip(t)
tests := map[string]struct {
policy policy.ACLPolicy
}{
"ipv4": {
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"100.64.0.1"},
Destinations: []string{"100.64.0.2:*"},
},
},
},
},
"ipv6": {
policy: policy.ACLPolicy{
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"fd7a:115c:a1e0::1"},
Destinations: []string{"fd7a:115c:a1e0::2:*"},
},
},
},
},
"hostv4cidr": {
policy: policy.ACLPolicy{
Hosts: policy.Hosts{
"test1": netip.MustParsePrefix("100.64.0.1/32"),
"test2": netip.MustParsePrefix("100.64.0.2/32"),
},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"test1"},
Destinations: []string{"test2:*"},
},
},
},
},
"hostv6cidr": {
policy: policy.ACLPolicy{
Hosts: policy.Hosts{
"test1": netip.MustParsePrefix("fd7a:115c:a1e0::1/128"),
"test2": netip.MustParsePrefix("fd7a:115c:a1e0::2/128"),
},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"test1"},
Destinations: []string{"test2:*"},
},
},
},
},
"group": {
policy: policy.ACLPolicy{
Groups: map[string][]string{
"group:one": {"user1"},
"group:two": {"user2"},
},
ACLs: []policy.ACL{
{
Action: "accept",
Sources: []string{"group:one"},
Destinations: []string{"group:two:*"},
},
},
},
},
// TODO(kradalby): Add similar tests for Tags, might need support
// in the scenario function when we create or join the clients.
}
for name, testCase := range tests {
t.Run(name, func(t *testing.T) {
scenario := aclScenario(t, &testCase.policy, 1)
test1ip := netip.MustParseAddr("100.64.0.1")
test1ip6 := netip.MustParseAddr("fd7a:115c:a1e0::1")
test1, err := scenario.FindTailscaleClientByIP(test1ip)
assert.NotNil(t, test1)
assertNoErr(t, err)
test1fqdn, err := test1.FQDN()
assertNoErr(t, err)
test1ipURL := fmt.Sprintf("http://%s/etc/hostname", test1ip.String())
test1ip6URL := fmt.Sprintf("http://[%s]/etc/hostname", test1ip6.String())
test1fqdnURL := fmt.Sprintf("http://%s/etc/hostname", test1fqdn)
test2ip := netip.MustParseAddr("100.64.0.2")
test2ip6 := netip.MustParseAddr("fd7a:115c:a1e0::2")
test2, err := scenario.FindTailscaleClientByIP(test2ip)
assert.NotNil(t, test2)
assertNoErr(t, err)
test2fqdn, err := test2.FQDN()
assertNoErr(t, err)
test2ipURL := fmt.Sprintf("http://%s/etc/hostname", test2ip.String())
test2ip6URL := fmt.Sprintf("http://[%s]/etc/hostname", test2ip6.String())
test2fqdnURL := fmt.Sprintf("http://%s/etc/hostname", test2fqdn)
// test1 can query test2
result, err := test1.Curl(test2ipURL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test with URL %s, expected hostname of 13 chars, got %s",
test2ipURL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test2ip6URL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test with URL %s, expected hostname of 13 chars, got %s",
test2ip6URL,
result,
)
assertNoErr(t, err)
result, err = test1.Curl(test2fqdnURL)
assert.Lenf(
t,
result,
13,
"failed to connect from test1 to test with URL %s, expected hostname of 13 chars, got %s",
test2fqdnURL,
result,
)
assertNoErr(t, err)
result, err = test2.Curl(test1ipURL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test2.Curl(test1ip6URL)
assert.Empty(t, result)
assert.Error(t, err)
result, err = test2.Curl(test1fqdnURL)
assert.Empty(t, result)
assert.Error(t, err)
})
}
}
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