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telegraf/plugins/inputs/radius/radius_test.go
Daniel Baumann 4978089aab
Adding upstream version 1.34.4.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-05-24 07:26:29 +02:00

345 lines
11 KiB
Go

package radius
import (
"errors"
"net"
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/testcontainers/testcontainers-go/wait"
"layeh.com/radius"
"layeh.com/radius/rfc2865"
"github.com/influxdata/telegraf/config"
"github.com/influxdata/telegraf/testutil"
)
func TestRadiusLocal(t *testing.T) {
handler := func(w radius.ResponseWriter, r *radius.Request) {
username := rfc2865.UserName_GetString(r.Packet)
password := rfc2865.UserPassword_GetString(r.Packet)
var code radius.Code
if username == "testusername" && password == "testpassword" {
code = radius.CodeAccessAccept
} else {
code = radius.CodeAccessReject
}
if err := w.Write(r.Response(code)); err != nil {
require.NoError(t, err, "failed writing radius server response")
}
}
// Setup a connection to be able to get a random port
conn, err := net.ListenPacket("udp4", "127.0.0.1:0")
require.NoError(t, err)
defer conn.Close()
addr := conn.LocalAddr().String()
host, port, err := net.SplitHostPort(addr)
require.NoError(t, err)
server := radius.PacketServer{
Handler: radius.HandlerFunc(handler),
SecretSource: radius.StaticSecretSource([]byte(`testsecret`)),
Addr: addr,
}
go func() {
if err := server.Serve(conn); err != nil {
if !errors.Is(err, radius.ErrServerShutdown) {
t.Errorf("Local radius server failed: %v", err)
return
}
}
}()
plugin := &Radius{
Servers: []string{addr},
Username: config.NewSecret([]byte(`testusername`)),
Password: config.NewSecret([]byte(`testpassword`)),
Secret: config.NewSecret([]byte(`testsecret`)),
Log: testutil.Logger{},
}
require.NoError(t, plugin.Init())
var acc testutil.Accumulator
require.NoError(t, acc.GatherError(plugin.Gather))
if !acc.HasMeasurement("radius") {
t.Errorf("acc.HasMeasurement: expected radius")
}
require.True(t, acc.HasTag("radius", "source"))
require.True(t, acc.HasTag("radius", "source_port"))
require.True(t, acc.HasTag("radius", "response_code"))
require.Equal(t, host, acc.TagValue("radius", "source"))
require.Equal(t, port, acc.TagValue("radius", "source_port"))
require.Equal(t, radius.CodeAccessAccept.String(), acc.TagValue("radius", "response_code"))
require.True(t, acc.HasInt64Field("radius", "responsetime_ms"))
if err := server.Shutdown(t.Context()); err != nil {
require.NoError(t, err, "failed to properly shutdown local radius server")
}
}
func TestRadiusNASIP(t *testing.T) {
handler := func(w radius.ResponseWriter, r *radius.Request) {
username := rfc2865.UserName_GetString(r.Packet)
password := rfc2865.UserPassword_GetString(r.Packet)
ip := rfc2865.NASIPAddress_Get(r.Packet)
var code radius.Code
if username == "testusername" && password == "testpassword" &&
ip.Equal(net.ParseIP("127.0.0.1")) {
code = radius.CodeAccessAccept
} else {
code = radius.CodeAccessReject
}
if err := w.Write(r.Response(code)); err != nil {
require.NoError(t, err, "failed writing radius server response")
}
}
// Setup a connection to be able to get a random port
conn, err := net.ListenPacket("udp4", "127.0.0.1:0")
require.NoError(t, err)
defer conn.Close()
addr := conn.LocalAddr().String()
host, port, err := net.SplitHostPort(addr)
require.NoError(t, err)
server := radius.PacketServer{
Handler: radius.HandlerFunc(handler),
SecretSource: radius.StaticSecretSource([]byte(`testsecret`)),
Addr: addr,
}
go func() {
if err := server.Serve(conn); err != nil {
if !errors.Is(err, radius.ErrServerShutdown) {
t.Errorf("Local radius server failed: %v", err)
return
}
}
}()
plugin := &Radius{
Servers: []string{addr},
Username: config.NewSecret([]byte(`testusername`)),
Password: config.NewSecret([]byte(`testpassword`)),
Secret: config.NewSecret([]byte(`testsecret`)),
Log: testutil.Logger{},
RequestIP: "127.0.0.1",
}
require.NoError(t, plugin.Init())
var acc testutil.Accumulator
require.NoError(t, acc.GatherError(plugin.Gather))
if !acc.HasMeasurement("radius") {
t.Errorf("acc.HasMeasurement: expected radius")
}
require.True(t, acc.HasTag("radius", "source"))
require.True(t, acc.HasTag("radius", "source_port"))
require.True(t, acc.HasTag("radius", "response_code"))
require.Equal(t, host, acc.TagValue("radius", "source"))
require.Equal(t, port, acc.TagValue("radius", "source_port"))
require.Equal(t, radius.CodeAccessAccept.String(), acc.TagValue("radius", "response_code"))
require.True(t, acc.HasInt64Field("radius", "responsetime_ms"))
if err := server.Shutdown(t.Context()); err != nil {
require.NoError(t, err, "failed to properly shutdown local radius server")
}
}
func TestInvalidRequestIP(t *testing.T) {
plugin := &Radius{
Servers: []string{"127.0.0.1"},
Username: config.NewSecret([]byte(`testusername`)),
Password: config.NewSecret([]byte(`testpassword`)),
Secret: config.NewSecret([]byte(`testsecret`)),
Log: testutil.Logger{},
RequestIP: "foobar",
}
require.Error(t, plugin.Init())
}
func TestRadiusIntegration(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
testdata, err := filepath.Abs("testdata/raddb/clients.conf")
require.NoError(t, err, "determining absolute path of test-data clients.conf failed")
testdataa, err := filepath.Abs("testdata/raddb/mods-config/files/authorize")
require.NoError(t, err, "determining absolute path of test-data authorize failed")
testdataaa, err := filepath.Abs("testdata/raddb/radiusd.conf")
require.NoError(t, err, "determining absolute path of test-data radiusd.conf failed")
container := testutil.Container{
Image: "freeradius/freeradius-server",
ExposedPorts: []string{"1812/udp"},
Files: map[string]string{
"/etc/raddb/clients.conf": testdata,
"/etc/raddb/mods-config/files/authorize": testdataa,
"/etc/raddb/radiusd.conf": testdataaa,
},
WaitingFor: wait.ForAll(
wait.ForLog("Ready to process requests"),
),
}
err = container.Start()
require.NoError(t, err, "failed to start container")
defer container.Terminate()
port := container.Ports["1812"]
// Define the testset
var testset = []struct {
name string
testingTimeout config.Duration
expectedSource string
expectedSourcePort string
serverToTest string
expectSuccess bool
usedPassword string
}{
{
name: "timeout_5s",
testingTimeout: config.Duration(time.Second * 5),
expectedSource: container.Address,
expectedSourcePort: port,
serverToTest: container.Address + ":" + port,
expectSuccess: true,
usedPassword: "testpassword",
},
{
name: "timeout_0s",
testingTimeout: config.Duration(0),
expectedSource: container.Address,
expectedSourcePort: port,
serverToTest: container.Address + ":" + port,
expectSuccess: true,
usedPassword: "testpassword",
},
{
name: "wrong_pw",
testingTimeout: config.Duration(time.Second * 5),
expectedSource: container.Address,
expectedSourcePort: port,
serverToTest: container.Address + ":" + port,
expectSuccess: false,
usedPassword: "wrongpass",
},
{
name: "unreachable",
testingTimeout: config.Duration(5),
expectedSource: "unreachable.unreachable.com",
expectedSourcePort: "7777",
serverToTest: "unreachable.unreachable.com:7777",
expectSuccess: false,
usedPassword: "testpassword",
},
}
for _, tt := range testset {
t.Run(tt.name, func(t *testing.T) {
// Setup the plugin-under-test
plugin := &Radius{
ResponseTimeout: tt.testingTimeout,
Servers: []string{tt.serverToTest},
Username: config.NewSecret([]byte(`testusername`)),
Password: config.NewSecret([]byte(tt.usedPassword)),
Secret: config.NewSecret([]byte(`testsecret`)),
Log: testutil.Logger{},
}
var acc testutil.Accumulator
// Startup the plugin
require.NoError(t, plugin.Init())
// Gather
require.NoError(t, plugin.Gather(&acc))
require.Empty(t, acc.Errors)
if !acc.HasMeasurement("radius") {
t.Errorf("acc.HasMeasurement: expected radius")
}
require.True(t, acc.HasTag("radius", "source"))
require.True(t, acc.HasTag("radius", "source_port"))
require.True(t, acc.HasTag("radius", "response_code"))
require.Equal(t, tt.expectedSource, acc.TagValue("radius", "source"))
require.Equal(t, tt.expectedSourcePort, acc.TagValue("radius", "source_port"))
require.True(t, acc.HasInt64Field("radius", "responsetime_ms"), true)
if tt.expectSuccess {
require.Equal(t, radius.CodeAccessAccept.String(), acc.TagValue("radius", "response_code"))
} else {
require.NotEqual(t, radius.CodeAccessAccept.String(), acc.TagValue("radius", "response_code"))
}
if tt.name == "unreachable" {
require.Equal(t, time.Duration(tt.testingTimeout).Milliseconds(), acc.Metrics[0].Fields["responsetime_ms"])
}
})
}
}
func TestRadiusIntegrationInvalidSourceIP(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
clients, err := filepath.Abs("testdata/invalidSourceIP/clients.conf")
require.NoError(t, err, "determining absolute path of test-data clients.conf failed")
authorize, err := filepath.Abs("testdata/invalidSourceIP/mods-config/files/authorize")
require.NoError(t, err, "determining absolute path of test-data authorize failed")
radiusd, err := filepath.Abs("testdata/invalidSourceIP/radiusd.conf")
require.NoError(t, err, "determining absolute path of test-data radiusd.conf failed")
container := testutil.Container{
Image: "freeradius/freeradius-server",
ExposedPorts: []string{"1812/udp"},
Files: map[string]string{
"/etc/raddb/clients.conf": clients,
"/etc/raddb/mods-config/files/authorize": authorize,
"/etc/raddb/radiusd.conf": radiusd,
},
WaitingFor: wait.ForAll(
wait.ForLog("Ready to process requests"),
),
}
err = container.Start()
require.NoError(t, err, "failed to start container")
defer container.Terminate()
port := container.Ports["1812"]
plugin := &Radius{
ResponseTimeout: config.Duration(time.Second * 1),
Servers: []string{container.Address + ":" + port},
Username: config.NewSecret([]byte(`testusername`)),
Password: config.NewSecret([]byte(`testpassword`)),
Secret: config.NewSecret([]byte(`testsecret`)),
Log: testutil.Logger{},
}
expected := testutil.MustMetric(
"radius",
map[string]string{
"source": container.Address,
"source_port": port,
"response_code": "timeout",
},
map[string]interface{}{
"responsetime_ms": 1000,
},
time.Time{},
)
var acc testutil.Accumulator
require.NoError(t, plugin.Init())
require.NoError(t, plugin.Gather(&acc))
metrics := acc.GetTelegrafMetrics()
require.Len(t, metrics, 1)
testutil.RequireMetricEqual(t, expected, metrics[0], testutil.IgnoreTime())
}