cwinfo/yggdrasil-go
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Fix crash

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This commit is contained in:
Neil Alexander 2022-11-12 11:56:50 +00:00
parent 7efd66932f
commit e824c73e21
No known key found for this signature in database
GPG Key ID: A02A2019A2BB0944
1 changed files with 12 additions and 4 deletions
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16
src/core/link.go
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@ -113,7 +113,9 @@ func (l *links) isConnectedTo(info linkInfo) bool {
func (l *links) call(u *url.URL, sintf string, errch chan<- error) (info linkInfo, err error) {
info = linkInfoFor(u.Scheme, sintf, u.Host)
if l.isConnectedTo(info) {
close(errch) // already connected, no error
if errch != nil {
close(errch) // already connected, no error
}
return info, nil
}
options := linkOptions{
@ -122,7 +124,9 @@ func (l *links) call(u *url.URL, sintf string, errch chan<- error) (info linkInf
for _, pubkey := range u.Query()["key"] {
sigPub, err := hex.DecodeString(pubkey)
if err != nil {
close(errch)
if errch != nil {
close(errch)
}
return info, fmt.Errorf("pinned key contains invalid hex characters")
}
var sigPubKey keyArray
@ -132,7 +136,9 @@ func (l *links) call(u *url.URL, sintf string, errch chan<- error) (info linkInf
if p := u.Query().Get("priority"); p != "" {
pi, err := strconv.ParseUint(p, 10, 8)
if err != nil {
close(errch)
if errch != nil {
close(errch)
}
return info, fmt.Errorf("priority invalid: %w", err)
}
options.priority = uint8(pi)
@ -208,7 +214,9 @@ func (l *links) call(u *url.URL, sintf string, errch chan<- error) (info linkInf
}()
default:
close(errch)
if errch != nil {
close(errch)
}
return info, errors.New("unknown call scheme: " + u.Scheme)
}
return info, nil