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Redefine only symmetric NATs as restricted

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This commit is contained in:
Cecylia Bocovich 2020-11-18 15:40:32 -05:00
parent 61beb9d996
commit 0bed9c48b7
1 changed files with 3 additions and 11 deletions
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14
common/nat/nat.go
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@ -16,10 +16,11 @@ package nat
import ( import (
"errors" "errors"
"fmt" "fmt"
"github.com/pion/stun"
"log" "log"
"net" "net"
"time" "time"
"github.com/pion/stun"
) )
var ErrTimedOut = errors.New("timed out waiting for response") var ErrTimedOut = errors.New("timed out waiting for response")
@ -36,16 +37,7 @@ const (
// and false if the NAT is unrestrictive (meaning it // and false if the NAT is unrestrictive (meaning it
// will work with most other NATs), // will work with most other NATs),
func CheckIfRestrictedNAT(server string) (bool, error) { func CheckIfRestrictedNAT(server string) (bool, error) {
result, err := isRestrictedMapping(server) return isRestrictedMapping(server)
if err != nil {
return false, err
}
if !result {
// if the mapping is unrestrictive, we still need to check whether
// the filtering is restrictive
result, err = isRestrictedFiltering(server)
}
return result, err
} }
// Performs two tests from RFC 5780 to determine whether the mapping type // Performs two tests from RFC 5780 to determine whether the mapping type