func TestGenerateFlag(t *testing.T) {
priv, _ := vexillary.GenerateKey()
_, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Fatalln("Generate flag error:", err)
}
}
func putFlag(db *sql.DB, priv *rsa.PrivateKey, round int, team steward.Team,
svc steward.Service) (err error) {
flag, err := vexillary.GenerateFlag(priv)
if err != nil {
log.Println("Generate flag failed:", err)
return
}
portOpen := true
if !svc.UDP {
portOpen = tcpPortOpen(team, svc)
}
var cred, logs string
var state steward.ServiceState
if portOpen {
if team.UseNetbox {
cred, logs, state, err = sshPut(team.Netbox,
svc.CheckerPath, team.Vulnbox, svc.Port, flag)
} else {
cred, logs, state, err = put(svc.CheckerPath,
team.Vulnbox, svc.Port, flag)
}
if err != nil {
log.Println("Put flag to service failed:", err)
return
}
if state != steward.StatusUP {
log.Printf("Put flag, round %d, team %s, service %s: %s",
round, team.Name, svc.Name, logs)
}
} else {
state = steward.StatusDown
}
err = steward.PutStatus(db,
steward.Status{round, team.ID, svc.ID, state})
if err != nil {
log.Println("Add status to database failed:", err)
return
}
err = steward.AddFlag(db,
steward.Flag{-1, flag, round, team.ID, svc.ID, cred})
if err != nil {
log.Println("Add flag to database failed:", err)
return
}
return
}
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 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 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"))
}
}