teach
/
adlin
Archived
0
0
Fork 0
Code Issues 1 Pull Requests 4 Releases Activity

checker: Use OnFinish to perform need tips about firewall
continuous-integration/drone/push Build is passing Details

This commit is contained in:
nemunaire 2023-03-18 11:22:46 +01:00
parent 11bf5362a3
commit d61f28875e
2 changed files with 23 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
checker/checker.go
View File

@ -96,7 +96,7 @@ func studentChecker(std *adlin.Student, also_check_matrix bool, offline bool) {
if _, err := std.UnlockChallenge(CheckMap[tunnel_version][PingResolver], ""); err != nil {
log.Printf("Unable to register challenge for %s: %s\n", std.Login, err.Error())
}
})
}, nil)
}
// Firewalled
@ -368,17 +368,29 @@ func studentChecker(std *adlin.Student, also_check_matrix bool, offline bool) {
}
return
}, func(stats *ping.Statistics) {
if verbose2 {
log.Printf("%s: %s ping statistics: %d packets transmitted, %d packets received, %v%% packet loss", std.Login, stdIP, stats.PacketsSent, stats.PacketsRecv, stats.PacketLoss)
}
if stats.PacketsRecv > 0 {
return
}
tunnel_version, err := minTunnelVersion(std, tun.SuffixIP)
if err != nil {
return
}
if !has_test(CheckMap[tunnel_version], Firewalled) {
return
}
if e, err := std.GetChallengeError(CheckMap[tunnel_version][Firewalled]); err == nil && len(e.Error) > 0 {
std.RegisterChallengeError(CheckMap[tunnel_version][Firewalled], fmt.Errorf("Your host is unreachable, no more tests are performed. Check that you are not filtering the tunnel (Wireguard uses UDP datagrams), nor ICMPv6 as your host needs to respond to PING."))
}
})
if err != nil && verbose {
log.Printf("%s: Unable to perform ping to %s: %s", std.Login, stdIP, err.Error())
if tunnel_version, err := minTunnelVersion(std, tun.SuffixIP); err == nil {
if has_test(CheckMap[tunnel_version], Firewalled) {
if e, err := std.GetChallengeError(CheckMap[tunnel_version][Firewalled]); err == nil && len(e.Error) > 0 {
std.RegisterChallengeError(CheckMap[tunnel_version][Firewalled], fmt.Errorf("Your host is unreachable, no more tests are performed. Check that you are not filtering the tunnel (Wireguard uses UDP datagrams), nor ICMPv6 as your host needs to respond to PING."))
}
}
}
}
}
}

3
checker/checks.go
View File

@ -98,7 +98,7 @@ func has_test(m map[AdlinTest]int, test AdlinTest) bool {
// ICMP
func check_ping(ip string, cb func(pkt *ping.Packet)) (err error) {
func check_ping(ip string, cb func(pkt *ping.Packet), cb_finished func(stats *ping.Statistics)) (err error) {
var pinger *ping.Pinger
pinger, err = ping.NewPinger(ip)
if err != nil {
@ -112,6 +112,7 @@ func check_ping(ip string, cb func(pkt *ping.Packet)) (err error) {
pinger.Timeout = time.Second * 5
pinger.Count = 1
pinger.OnRecv = cb
pinger.OnFinish = cb_finished
pinger.SetPrivileged(true)
err = pinger.Run()