func TestGetFlagInfo(t *testing.T) {
db, err := openDB()
defer db.Close()
flg := steward.Flag{ID: 1, Flag: "asdfasdf", Round: 5345, TeamID: 433,
ServiceID: 353, Cred: "1:2"}
err = steward.AddFlag(db.db, flg)
new_flg, err := steward.GetFlagInfo(db.db, flg.Flag)
if err != nil {
log.Fatalln("Cannot get flag info:", err)
}
if new_flg != flg {
log.Fatalln("Readed flag is not equal to writed before")
}
}
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 handler(conn net.Conn, db *sql.DB, priv *rsa.PrivateKey,
attackFlow chan scoreboard.Attack) {
addr := conn.RemoteAddr().String()
defer conn.Close()
fmt.Fprint(conn, greetingMsg)
flag, err := bufio.NewReader(conn).ReadString('\n')
if err != nil {
log.Println("Read error:", err)
}
flag = strings.Trim(flag, "\n")
log.Printf("\tGet flag %s from %s", flag, addr)
valid, err := vexillary.ValidFlag(flag, priv.PublicKey)
if err != nil {
log.Println("\tValidate flag failed:", err)
}
if !valid {
fmt.Fprint(conn, invalidFlagMsg)
return
}
exist, err := steward.FlagExist(db, flag)
if err != nil {
log.Println("\tExist flag check failed:", err)
fmt.Fprint(conn, internalErrorMsg)
return
}
if !exist {
fmt.Fprint(conn, flagDoesNotExistMsg)
return
}
flg, err := steward.GetFlagInfo(db, flag)
if err != nil {
log.Println("\tGet flag info failed:", err)
fmt.Fprint(conn, internalErrorMsg)
return
}
captured, err := steward.AlreadyCaptured(db, flg.ID)
if err != nil {
log.Println("\tAlready captured check failed:", err)
fmt.Fprint(conn, internalErrorMsg)
return
}
if captured {
fmt.Fprint(conn, alreadyCapturedMsg)
return
}
team, err := teamByAddr(db, addr)
if err != nil {
log.Println("\tGet team by ip failed:", err)
fmt.Fprint(conn, invalidTeamMsg)
return
}
if flg.TeamID == team.ID {
log.Printf("\tTeam %s try to send their flag", team.Name)
fmt.Fprint(conn, flagYoursMsg)
return
}
round, err := steward.CurrentRound(db)
if round.ID != flg.Round {
log.Printf("\t%s try to send flag from past round", team.Name)
fmt.Fprint(conn, flagExpiredMsg)
return
}
roundEndTime := round.StartTime.Add(round.Len)
if time.Now().After(roundEndTime) {
log.Printf("\t%s try to send flag from finished round", team.Name)
fmt.Fprint(conn, flagExpiredMsg)
return
}
halfStatus := steward.Status{flg.Round, team.ID, flg.ServiceID,
steward.StatusUnknown}
state, err := steward.GetState(db, halfStatus)
if state != steward.StatusUP {
log.Printf("\t%s service not ok, cannot capture", team.Name)
fmt.Fprint(conn, serviceNotUpMsg)
return
}
err = steward.CaptureFlag(db, flg.ID, team.ID)
if err != nil {
log.Println("\tCapture flag failed:", err)
fmt.Fprint(conn, internalErrorMsg)
return
}
go func() {
attack := scoreboard.Attack{
Attacker: team.ID,
Victim: flg.TeamID,
Service: flg.ServiceID,
Timestamp: time.Now().Unix(),
}
select {
case attackFlow <- attack:
default:
_ = <-attackFlow
attackFlow <- attack
}
}()
fmt.Fprint(conn, capturedMsg)
}