Brendan LE GLAUNEC
704 lines
16 KiB
Go
704 lines
16 KiB
Go
package cmrdr
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import (
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"encoding/xml"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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// HACK: See https://golang.org/src/os/exec/exec_test.go
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func fakeExecCommand(command string, args ...string) *exec.Cmd {
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cs := []string{"-test.run=TestExecCommandHelper", "--", command}
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cs = append(cs, args...)
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cmd := exec.Command(os.Args[0], cs...)
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cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1",
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"STDOUT= ",
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"EXIT_STATUS=0"}
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return cmd
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}
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func TestExecCommandHelper(t *testing.T) {
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if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
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return
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}
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fmt.Fprintf(os.Stdout, os.Getenv("STDOUT"))
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i, _ := strconv.Atoi(os.Getenv("EXIT_STATUS"))
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os.Exit(i)
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}
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func TestNmapRun(t *testing.T) {
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execCommand = fakeExecCommand
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defer func() { execCommand = exec.Command }()
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testCases := []struct {
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targets string
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ports string
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resultFilePath string
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nmapSpeed int
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enableLogs bool
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expectedErrMsg string
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}{
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// Valid baseline with logs enabled
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{
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: PARANOIAC,
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enableLogs: true,
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},
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// Invalid speed
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{
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: INSANE + 1,
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enableLogs: false,
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expectedErrMsg: "invalid nmap speed value",
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},
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}
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for _, test := range testCases {
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err := NmapRun(test.targets, test.ports, test.resultFilePath, test.nmapSpeed, test.enableLogs)
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if len(test.expectedErrMsg) > 0 {
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if err == nil {
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fmt.Printf("unexpected success. expected error: %s\n", test.expectedErrMsg)
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os.Exit(1)
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}
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assert.Contains(t, err.Error(), test.expectedErrMsg, "wrong error message")
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} else {
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if err != nil {
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fmt.Printf("unexpected error: %v\n", err)
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os.Exit(1)
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}
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}
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}
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}
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func TestNmapParseResults(t *testing.T) {
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validStream1 := Stream{
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Device: "fakeDevice",
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Address: "fakeAddress",
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Port: 1337,
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}
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validStream2 := Stream{
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Device: "fakeDevice",
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Address: "differentFakeAddress",
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Port: 1337,
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}
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invalidStreamNoPort := Stream{
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Device: "invalidDevice",
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Address: "fakeAddress",
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Port: 0,
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}
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invalidStreamNoAddress := Stream{
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Device: "invalidDevice",
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Address: "",
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Port: 1337,
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}
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testCases := []struct {
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fileExists bool
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streamsXML *nmapResult
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expectedStreams []Stream
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expectedErrMsg string
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}{
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// File exists
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// Two valid streams, no error
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{
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expectedStreams: []Stream{validStream1, validStream2},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: validStream1.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream1.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream1.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: validStream2.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream2.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream2.Device,
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},
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},
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},
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},
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},
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},
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},
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fileExists: true,
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},
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// File exists
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// Two invalid targets, no error
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{
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fileExists: true,
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expectedStreams: []Stream{invalidStreamNoPort, invalidStreamNoAddress},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: invalidStreamNoAddress.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: invalidStreamNoAddress.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: invalidStreamNoAddress.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: invalidStreamNoPort.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: invalidStreamNoPort.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: invalidStreamNoPort.Device,
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},
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},
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},
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},
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},
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},
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},
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},
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// File does not exist, error
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{
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fileExists: false,
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expectedErrMsg: "could not read nmap result file",
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},
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// No valid streams found
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{
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fileExists: true,
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expectedStreams: []Stream{},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: "Camera with closed ports",
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: 0,
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State: state{
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State: "closed",
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},
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Service: service{
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Name: "rtsp",
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Product: "Camera without closed ports",
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: "Camera with closed ports",
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AddrType: "ipv4",
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},
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},
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},
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},
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},
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// XML Unmarshal error
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{
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fileExists: true,
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expectedStreams: []Stream{},
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expectedErrMsg: "expected element type <nmaprun> but have <failure>",
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},
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}
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for i, test := range testCases {
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filePath := "/tmp/cameradar_test_parse_results_" + fmt.Sprint(i) + ".xml"
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// create file
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if test.fileExists {
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_, err := os.Create(filePath)
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if err != nil {
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fmt.Printf("could not create xml file for NmapParseResults: %v. iteration: %d. file path: %s\n", err, i, filePath)
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os.Exit(1)
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}
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// marshal and write
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if test.streamsXML != nil {
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streams, err := xml.Marshal(test.streamsXML)
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if err != nil {
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fmt.Printf("invalid targets for NmapParseResults: %v. iteration: %d. streams: %v\n", err, i, test.streamsXML)
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os.Exit(1)
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}
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err = ioutil.WriteFile(filePath, streams, 0644)
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if err != nil {
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fmt.Printf("could not write xml file for NmapParseResults: %v. iteration: %d. file path: %s\n", err, i, filePath)
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os.Exit(1)
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}
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} else {
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err := ioutil.WriteFile(filePath, []byte("<?xml version=\"1.0\" encoding=\"UTF-8\"?><failure>"), 0644)
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if err != nil {
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fmt.Printf("could not write xml file for NmapParseResults: %v. iteration: %d. file path: %s\n", err, i, filePath)
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os.Exit(1)
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}
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}
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}
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results, err := NmapParseResults(filePath)
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if len(test.expectedErrMsg) > 0 {
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if err == nil {
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fmt.Printf("unexpected success. expected error: %s\n", test.expectedErrMsg)
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os.Exit(1)
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}
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assert.Contains(t, err.Error(), test.expectedErrMsg, "wrong error message")
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} else {
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if err != nil {
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fmt.Printf("unexpected error: %v\n", err)
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os.Exit(1)
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}
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for _, stream := range test.expectedStreams {
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foundStream := false
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for _, result := range results {
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if result.Address == stream.Address && result.Device == stream.Device && result.Port == stream.Port {
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foundStream = true
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}
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}
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assert.Equal(t, true, foundStream, "wrong streams parsed")
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}
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}
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assert.Equal(t, len(test.expectedStreams), len(results), "wrong streams parsed")
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}
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}
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func TestDiscover(t *testing.T) {
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execCommand = fakeExecCommand
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defer func() { execCommand = exec.Command }()
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validStream1 := Stream{
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Device: "fakeDevice",
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Address: "fakeAddress",
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Port: 1337,
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}
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validStream2 := Stream{
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Device: "fakeDevice",
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Address: "differentFakeAddress",
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Port: 1337,
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}
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invalidStreamNoPort := Stream{
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Device: "invalidDevice",
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Address: "fakeAddress",
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Port: 0,
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}
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invalidStreamNoAddress := Stream{
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Device: "invalidDevice",
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Address: "",
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Port: 1337,
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}
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testCases := []struct {
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targets string
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ports string
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resultFilePath string
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nmapSpeed int
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enableLogs bool
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fileExists bool
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streamsXML *nmapResult
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expectedStreams []Stream
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expectedErrMsg string
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}{
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// Valid baseline
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{
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expectedStreams: []Stream{validStream1, validStream2},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: validStream1.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream1.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream1.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: validStream2.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream2.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream2.Device,
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},
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},
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},
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},
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},
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},
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},
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fileExists: true,
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: PARANOIAC,
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enableLogs: false,
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},
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// Invalid speed
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{
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expectedStreams: []Stream{},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: validStream1.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream1.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream1.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: validStream2.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream2.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream2.Device,
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},
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},
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},
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},
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},
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},
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},
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fileExists: true,
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: INSANE + 1,
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enableLogs: false,
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expectedErrMsg: "invalid nmap speed value",
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},
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// File exists
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// Two valid streams, no error
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{
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expectedStreams: []Stream{validStream1, validStream2},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: validStream1.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream1.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream1.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: validStream2.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: validStream2.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: validStream2.Device,
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},
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},
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},
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},
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},
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},
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},
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fileExists: true,
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: PARANOIAC,
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enableLogs: false,
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},
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// File exists
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// Two invalid targets, no error
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{
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fileExists: true,
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expectedStreams: []Stream{invalidStreamNoPort, invalidStreamNoAddress},
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streamsXML: &nmapResult{
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Hosts: []host{
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{
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Address: address{
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Addr: invalidStreamNoAddress.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: invalidStreamNoAddress.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: invalidStreamNoAddress.Device,
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: invalidStreamNoPort.Address,
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: invalidStreamNoPort.Port,
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State: state{
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State: "open",
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},
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Service: service{
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Name: "rtsp",
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Product: invalidStreamNoPort.Device,
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},
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},
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},
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},
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},
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},
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},
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: PARANOIAC,
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enableLogs: false,
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},
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// File does not exist, error
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{
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fileExists: false,
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expectedErrMsg: "could not read nmap result file",
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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nmapSpeed: PARANOIAC,
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enableLogs: false,
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},
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// No valid streams found
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{
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fileExists: true,
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expectedStreams: []Stream{},
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streamsXML: &nmapResult{
|
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Hosts: []host{
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{
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Address: address{
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Addr: "Camera with closed ports",
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AddrType: "ipv4",
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},
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Ports: ports{
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Ports: []port{
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{
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PortID: 0,
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State: state{
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State: "closed",
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},
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Service: service{
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Name: "rtsp",
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Product: "Camera without closed ports",
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},
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},
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},
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},
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},
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{
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Address: address{
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Addr: "Camera with closed ports",
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AddrType: "ipv4",
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},
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},
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},
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},
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targets: "localhost",
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ports: "554",
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resultFilePath: "/tmp/results.xml",
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|
nmapSpeed: PARANOIAC,
|
|
enableLogs: false,
|
|
},
|
|
// XML Unmarshal error
|
|
{
|
|
fileExists: true,
|
|
expectedStreams: []Stream{},
|
|
expectedErrMsg: "expected element type <nmaprun> but have <failure>",
|
|
targets: "localhost",
|
|
ports: "554",
|
|
resultFilePath: "/tmp/results.xml",
|
|
nmapSpeed: PARANOIAC,
|
|
enableLogs: false,
|
|
},
|
|
}
|
|
for i, test := range testCases {
|
|
filePath := "/tmp/cameradar_test_discover_" + fmt.Sprint(i) + ".xml"
|
|
|
|
// create file
|
|
if test.fileExists {
|
|
_, err := os.Create(filePath)
|
|
if err != nil {
|
|
fmt.Printf("could not create xml file for Discover: %v. iteration: %d. file path: %s\n", err, i, filePath)
|
|
os.Exit(1)
|
|
}
|
|
|
|
// marshal and write
|
|
if test.streamsXML != nil {
|
|
streams, err := xml.Marshal(test.streamsXML)
|
|
if err != nil {
|
|
fmt.Printf("invalid targets for Discover: %v. iteration: %d. streams: %v\n", err, i, test.streamsXML)
|
|
os.Exit(1)
|
|
}
|
|
|
|
err = ioutil.WriteFile(filePath, streams, 0644)
|
|
if err != nil {
|
|
fmt.Printf("could not write xml file for Discover: %v. iteration: %d. file path: %s\n", err, i, filePath)
|
|
os.Exit(1)
|
|
}
|
|
} else {
|
|
err := ioutil.WriteFile(filePath, []byte("<?xml version=\"1.0\" encoding=\"UTF-8\"?><failure>"), 0644)
|
|
if err != nil {
|
|
fmt.Printf("could not write xml file for Discover: %v. iteration: %d. file path: %s\n", err, i, filePath)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
}
|
|
|
|
results, err := Discover(test.targets, test.ports, filePath, test.nmapSpeed, test.enableLogs)
|
|
|
|
if len(test.expectedErrMsg) > 0 {
|
|
if err == nil {
|
|
fmt.Printf("unexpected success in Discover test, iteration %d. expected error: %s\n", i, test.expectedErrMsg)
|
|
os.Exit(1)
|
|
}
|
|
assert.Contains(t, err.Error(), test.expectedErrMsg, "wrong error message")
|
|
} else {
|
|
if err != nil {
|
|
fmt.Printf("unexpected error in Discover test, iteration %d: %v\n", i, err)
|
|
os.Exit(1)
|
|
}
|
|
for _, stream := range test.expectedStreams {
|
|
foundStream := false
|
|
for _, result := range results {
|
|
if result.Address == stream.Address && result.Device == stream.Device && result.Port == stream.Port {
|
|
foundStream = true
|
|
}
|
|
}
|
|
assert.Equal(t, true, foundStream, "wrong streams parsed")
|
|
}
|
|
}
|
|
assert.Equal(t, len(test.expectedStreams), len(results), "wrong streams parsed")
|
|
}
|
|
}
|