func TestGenerateKey(t *testing.T) {
_, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key error:", err)
}
}
func TestGenerateFlag(t *testing.T) {
priv, _ := vexillary.GenerateKey()
_, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag error:", err)
}
}
func TestValidFlag(t *testing.T) {
priv, _ := vexillary.GenerateKey()
flag, _ := vexillary.GenerateFlag(priv)
// Check validation of valid flag
valid, err := vexillary.ValidFlag(flag, priv.PublicKey)
if !valid {
log.Fatalln("Valid flag is invalid:", err)
}
// Check validation of invalid flag
invalid_flag := "aaaaaaa6a0993562af00d027aff63e9502754018="
valid, err = vexillary.ValidFlag(invalid_flag, priv.PublicKey)
if valid {
log.Fatalln("Invalid flag is valid:", err)
}
}
func main() {
fmt.Println(buildInfo())
kingpin.Parse()
if *configPath == "" {
log.Println("Use default config path")
*configPath = "/etc/tinfoilhat/tinfoilhat.toml"
}
config, err := config.ReadConfig(*configPath)
if err != nil {
log.Fatalln("Cannot open config:", err)
}
logFile, err := os.OpenFile(config.LogFile,
os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Fatalln("Cannot open file:", err)
}
defer logFile.Close()
log.SetOutput(logFile)
log.Println(buildInfo())
var rlim syscall.Rlimit
err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim)
if err != nil {
log.Fatalln("Getrlimit fail:", err)
}
log.Println("RLIMIT_NOFILE CUR:", rlim.Cur, "MAX:", rlim.Max)
db, err := steward.OpenDatabase(config.Database.Connection)
if err != nil {
log.Fatalln("Open database fail:", err)
}
defer db.Close()
db.SetMaxOpenConns(config.Database.MaxConnections)
if *dbReinit {
reinitDatabase(db, config)
}
checker.SetTimeout(config.CheckerTimeout.Duration)
if config.AdvisoryReceiver.Disabled {
scoreboard.DisableAdvisory()
}
priv, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key fail:", err)
}
attackFlow := make(chan scoreboard.Attack, config.API.AttackBuffer)
go receiver.FlagReceiver(db, priv, config.FlagReceiver.Addr,
config.FlagReceiver.ReceiveTimeout.Duration,
config.FlagReceiver.SocketTimeout.Duration,
attackFlow)
go receiver.AdvisoryReceiver(db, config.AdvisoryReceiver.Addr,
config.AdvisoryReceiver.ReceiveTimeout.Duration,
config.AdvisoryReceiver.SocketTimeout.Duration)
go scoreboard.Scoreboard(db, attackFlow,
config.Scoreboard.WwwPath,
config.Scoreboard.Addr,
config.Scoreboard.UpdateTimeout.Duration,
config.Pulse.Start.Time,
config.Pulse.Half.Duration,
config.Pulse.Lunch.Duration,
config.Pulse.DarkestTime.Duration)
err = pulse.Pulse(db, priv,
config.Pulse.Start.Time,
config.Pulse.Half.Duration,
config.Pulse.Lunch.Duration,
config.Pulse.RoundLen.Duration,
config.Pulse.CheckTimeout.Duration)
if err != nil {
log.Fatalln("Game error:", err)
}
log.Println("It's now safe to turn off you computer")
for {
time.Sleep(time.Hour)
}
}
func TestGame(*testing.T) {
db, err := openDB()
if err != nil {
log.Fatalln("Open database fail:", err)
}
min_port_num := 1024
max_port_num := 65535
rand.Seed(time.Now().UnixNano())
port := min_port_num + rand.Intn(max_port_num-min_port_num)
log.Println("Use port", port)
service_path := "../checker/python-api/dummy_service.py"
svc := newDummyService(service_path, port)
svc.Stop() // kill
svc.Start()
time.Sleep(time.Second) // wait for service init
defer svc.Stop()
priv, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key fail:", err)
}
for index, team := range []string{"FooTeam", "BarTeam", "BazTeam"} {
// just trick for bypass UNIQUE team subnet
subnet := fmt.Sprintf("127.%d.0.1/24", index)
vulnbox := fmt.Sprintf("127.0.%d.3", index)
t := steward.Team{ID: -1, Name: team, Subnet: subnet,
Vulnbox: vulnbox}
_, err = steward.AddTeam(db.db, t)
if err != nil {
log.Fatalln("Add team failed:", err)
}
}
checker_path := "../checker/python-api/dummy_checker.py"
for _, service := range []string{"Foo", "Bar", "Baz"} {
err = steward.AddService(db.db,
steward.Service{ID: -1, Name: service, Port: port,
CheckerPath: checker_path, UDP: false})
if err != nil {
log.Fatalln("Add service failed:", err)
}
}
round_len := 30 * time.Second
timeout_between_check := 10 * time.Second
game, err := pulse.NewGame(db.db, priv, round_len, timeout_between_check)
defer game.Over()
end_time := time.Now().Add(time.Minute + 10*time.Second)
err = game.Run(end_time)
if err != nil {
log.Fatalln("Game error:", err)
}
for round := 1; round <= 2; round++ {
for team_id := 1; team_id <= 3; team_id++ {
res, err := steward.GetRoundResult(db.db, team_id, round)
if err != nil {
log.Fatalf("Get round %d result fail: %s",
round, err)
}
if res.DefenceScore != float64(round*2) {
log.Fatalln("Invalid defence score")
}
if res.AttackScore != 0 {
log.Fatalln("Invalid attack score")
}
}
}
}
func TestCountRound(*testing.T) {
db, err := openDB()
if err != nil {
log.Fatalln("Open database failed:", err)
}
defer db.Close()
fillTestTeams(db.db)
fillTestServices(db.db)
priv, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key failed:", err)
}
round, err := steward.NewRound(db.db, time.Minute)
if err != nil {
log.Fatalln("Create new round failed:", err)
}
teams, err := steward.GetTeams(db.db)
if err != nil {
log.Fatalln("Get teams failed:", err)
}
services, err := steward.GetServices(db.db)
if err != nil {
log.Fatalln("Get services failed:", err)
}
flags := make([]string, 0)
for _, team := range teams {
for _, svc := range services {
flag, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
flags = append(flags, flag)
flg := steward.Flag{ID: -1, Flag: flag, Round: round,
TeamID: team.ID, ServiceID: svc.ID, Cred: ""}
err = steward.AddFlag(db.db, flg)
if err != nil {
log.Fatalln("Add flag to database failed:", err)
}
err = steward.PutStatus(db.db, steward.Status{
Round: round, TeamID: team.ID,
ServiceID: svc.ID, State: steward.StatusUP})
if err != nil {
log.Fatalln("Put status to database failed:", err)
}
}
}
flag1, err := steward.GetFlagInfo(db.db, flags[2])
if err != nil {
log.Fatalln("Get flag info failed:", err)
}
err = steward.CaptureFlag(db.db, flag1.ID, teams[2].ID)
if err != nil {
log.Fatalln("Capture flag failed:", err)
}
flag2, err := steward.GetFlagInfo(db.db, flags[7])
if err != nil {
log.Fatalln("Get flag info failed:", err)
}
err = steward.CaptureFlag(db.db, flag2.ID, teams[3].ID)
if err != nil {
log.Fatalln("Capture flag failed:", err)
}
err = counter.CountRound(db.db, round, teams, services)
if err != nil {
log.Fatalln("Count round failed:", err)
}
res, err := steward.GetRoundResult(db.db, teams[0].ID, round)
if err != nil || res.AttackScore != 0.0 || res.DefenceScore != 1.75 {
log.Fatalln("Invalid result:", res)
}
res, err = steward.GetRoundResult(db.db, teams[1].ID, round)
if err != nil || res.AttackScore != 0.0 || res.DefenceScore != 1.75 {
log.Fatalln("Invalid result:", res)
}
res, err = steward.GetRoundResult(db.db, teams[2].ID, round)
if err != nil || res.AttackScore != 0.25 || res.DefenceScore != 2.0 {
log.Fatalln("Invalid result:", res)
}
res, err = steward.GetRoundResult(db.db, teams[3].ID, round)
if err != nil || res.AttackScore != 0.25 || res.DefenceScore != 2.0 {
log.Fatalln("Invalid result:", res)
}
}
func TestFlagsWork(t *testing.T) {
db, err := openDB()
if err != nil {
log.Fatalln("Open database failed:", err)
}
defer db.Close()
min_port_num := 1024
max_port_num := 65535
rand.Seed(time.Now().UnixNano())
port := min_port_num + rand.Intn(max_port_num-min_port_num)
log.Println("Use port", port)
service := newDummyService("python-api/dummy_service.py", port)
service.Stop() // if already run
priv, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key failed:", err)
}
fillTestTeams(db.db)
checker_path := "python-api/dummy_checker.py"
for _, service := range []string{"Foo", "Bar", "Baz"} {
err = steward.AddService(db.db,
steward.Service{ID: -1, Name: service, Port: port,
CheckerPath: checker_path, UDP: false})
if err != nil {
log.Fatalln("Add service failed:", err)
}
}
round, err := steward.NewRound(db.db, time.Minute)
if err != nil {
log.Fatalln("Create new round failed:", err)
}
teams, err := steward.GetTeams(db.db)
if err != nil {
log.Fatalln("Get teams failed:", err)
}
services, err := steward.GetServices(db.db)
if err != nil {
log.Fatalln("Get services failed:", err)
}
err = checker.PutFlags(db.db, priv, round, teams, services)
if err != nil {
log.Fatalln("Put flags failed:", err)
}
// No services -> all down
checkServicesStatus(db.db, round, teams, services, steward.StatusDown)
// Start service
service.Start()
time.Sleep(time.Second)
service.BrokeLogic()
err = checker.PutFlags(db.db, priv, round, teams, services)
if err != nil {
log.Fatalln("Put flags failed:", err)
}
checkServicesStatus(db.db, round, teams, services, steward.StatusMumble)
service.RestoreLogic()
time.Sleep(time.Second)
round, err = steward.NewRound(db.db, time.Minute)
if err != nil {
log.Fatalln("Create new round failed:", err)
}
log.Println("Put flags to correct service...")
err = checker.PutFlags(db.db, priv, round, teams, services)
if err != nil {
log.Fatalln("Put flags failed:", err)
}
checkServicesStatus(db.db, round, teams, services, steward.StatusUP)
log.Println("Check flags of correct service...")
err = checker.CheckFlags(db.db, round, teams, services)
if err != nil {
log.Fatalln("Check flags failed:", err)
}
checkServicesStatus(db.db, round, teams, services, steward.StatusUP)
service.ClearFlags()
log.Println("Check flags of service with removed flags...")
err = checker.CheckFlags(db.db, round, teams, services)
if err != nil {
log.Fatalln("Check flags failed:", err)
}
checkServicesStatus(db.db, round, teams, services, steward.StatusCorrupt)
log.Println("Stop service...")
service.Stop()
log.Println("Check flags of stopped service...")
err = checker.CheckFlags(db.db, round, teams, services)
if err != nil {
log.Fatalln("Check flags failed:", err)
}
checkServicesStatus(db.db, round, teams, services, steward.StatusDown)
}
func TestReceiver(*testing.T) {
db, err := openDB()
if err != nil {
log.Fatalln("Open database failed:", err)
}
defer db.Close()
priv, err := vexillary.GenerateKey()
if err != nil {
log.Fatalln("Generate key failed:", err)
}
addr := "127.0.0.1:65000"
flag, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
err = steward.AddFlag(db.db, steward.Flag{-1, flag, 1, 8, 1, ""})
if err != nil {
log.Fatalln("Add flag failed:", err)
}
firstRound, err := steward.NewRound(db.db, time.Minute*2)
if err != nil {
log.Fatalln("New round failed:", err)
}
attackFlow := make(chan scoreboard.Attack)
go FlagReceiver(db.db, priv, addr, time.Nanosecond, time.Minute, attackFlow)
time.Sleep(time.Second) // wait for init listener
// The attacker must appear to be a team (e.g. jury cannot attack)
testFlag(addr, flag, invalidTeamMsg)
t := steward.Team{ID: -1, Name: "TestTeam", Subnet: "127.0.0.1/24",
Vulnbox: "1"}
// Correct flag must be captured
teamID, err := steward.AddTeam(db.db, t)
if err != nil {
log.Fatalln("Add team failed:", err)
}
serviceID := 1
// Flag must be captured only if service status ok
steward.PutStatus(db.db, steward.Status{firstRound, teamID, serviceID,
steward.StatusUP})
testFlag(addr, flag, capturedMsg)
// Correct flag must be captured only one
testFlag(addr, flag, alreadyCapturedMsg)
// Incorrect (non-signed or signed on other key) flag must be invalid
testFlag(addr, "1e7b642f2282886377d1655af6097dd6101eac5b=",
invalidFlagMsg)
// Correct flag that does not exist in database must not be captured
newFlag, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
testFlag(addr, newFlag, flagDoesNotExistMsg)
// Submitted flag does not belongs to the attacking team
flag4, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
err = steward.AddFlag(db.db, steward.Flag{-1, flag4, 1, teamID, 1, ""})
if err != nil {
log.Fatalln("Add flag failed:", err)
}
testFlag(addr, flag4, flagYoursMsg)
// Correct flag from another round must not be captured
flag2, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
curRound, err := steward.CurrentRound(db.db)
err = steward.AddFlag(db.db, steward.Flag{-1, flag2, curRound.ID, 8, 1, ""})
if err != nil {
log.Fatalln("Add flag failed:", err)
}
_, err = steward.NewRound(db.db, time.Minute*2)
if err != nil {
log.Fatalln("New round failed:", err)
}
testFlag(addr, flag2, flagExpiredMsg)
// Correct flag from expired round must not be captured
roundLen := time.Second
roundID, err := steward.NewRound(db.db, roundLen)
if err != nil {
log.Fatalln("New round failed:", err)
}
flag3, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
err = steward.AddFlag(db.db, steward.Flag{-1, flag3, roundID, 8, 1, ""})
if err != nil {
log.Fatalln("Add flag failed:", err)
}
time.Sleep(roundLen) // wait end of round
testFlag(addr, flag3, flagExpiredMsg)
// If service status down flag must not be captured
roundID, err = steward.NewRound(db.db, time.Minute)
if err != nil {
log.Fatalln("New round failed:", err)
}
flag5, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag failed:", err)
}
err = steward.AddFlag(db.db, steward.Flag{-1, flag5, roundID, 8,
serviceID, ""})
if err != nil {
log.Fatalln("Add flag failed:", err)
}
steward.PutStatus(db.db, steward.Status{roundID, teamID, serviceID,
steward.StatusDown})
testFlag(addr, flag5, serviceNotUpMsg)
steward.PutStatus(db.db, steward.Status{roundID, teamID, serviceID,
steward.StatusUP})
// If attempts limit exceeded flag must not be captured
newAddr := "127.0.0.1:64000"
// Start new receiver for test timeouts
go FlagReceiver(db.db, priv, newAddr, time.Second, time.Minute, attackFlow)
time.Sleep(time.Second) // wait for init listener
// Just for take timeout
testFlag(newAddr, flag3, flagExpiredMsg)
// Can't use testFlag, if attempts limit exceeded server does not send
// greeting message, and client has not able to send flag
conn, err := net.DialTimeout("tcp", newAddr, time.Second)
if err != nil {
log.Fatalln("Connect to receiver failed:", err)
}
msg, err := bufio.NewReader(conn).ReadString('\n')
if err != nil {
log.Fatalln("Invalid response:", err)
}
response := attemptsLimitMsg
if msg != response {
log.Fatalf("Invalid message [%v] instead [%v]",
strings.Trim(msg, "\n"),
strings.Trim(response, "\n"))
}
}
