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token-validator: better calculate IP contained

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This commit is contained in:
nemunaire 2021-03-03 18:44:26 +01:00
parent 6fcdc44952
commit d28b14fa50
3 changed files with 11 additions and 2 deletions
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9
libadlin/tunnel.go
View File

@ -12,10 +12,19 @@ import (
"time"
)
const StdNetmask = 80
func StudentIP(idstd int64) net.IP {
return net.ParseIP(fmt.Sprintf("2a01:e0a:2b:2252:%x::", idstd))
}
func StudentNet(idstd int64) *net.IPNet {
return &net.IPNet{
IP: StudentIP(idstd),
Mask: net.CIDRMask(StdNetmask, 128),
}
}
type WGDump struct {
PubKey string
PSK string

2
token-validator/domain.go
View File

@ -246,7 +246,7 @@ func AddAssociatedDomains(student adlin.Student, aaaa net.IP) (err error) {
if aaaa == nil {
aaaa = net.ParseIP(adlin.StudentIP(student.Id).String() + "1")
} else if !strings.HasPrefix(aaaa.String(), adlin.StudentIP(student.Id).String()) {
} else if !adlin.StudentNet(student.Id).Contains(aaaa) {
return errors.New("The associated IP has to be in your IP range.")
}

2
token-validator/wg.go
View File

@ -63,7 +63,7 @@ func getTunnelInfo(student int64) TunnelInfo {
SrvPubKey: srv_pubkey,
SrvPort: 42912,
CltIPv6: adlin.StudentIP(student),
CltRange: 80,
CltRange: adlin.StdNetmask,
SrvGW6: "2a01:e0a:2b:2252::1",
}
}