snow/wireguard-go
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uapi: allow unsetting device private key with /dev/null

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This commit is contained in:
Jason A. Donenfeld 2020-02-04 18:03:31 +01:00
parent 05b03c6750
commit cb4bb63030
2 changed files with 10 additions and 1 deletions
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9
device/noise-types.go
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@ -52,6 +52,15 @@ func (key *NoisePrivateKey) FromHex(src string) (err error) {
return
}
func (key *NoisePrivateKey) FromMaybeZeroHex(src string) (err error) {
err = loadExactHex(key[:], src)
if key.IsZero() {
return
}
key.clamp()
return
}
func (key NoisePrivateKey) ToHex() string {
return hex.EncodeToString(key[:])
}

2
device/uapi.go
View file

@ -138,7 +138,7 @@ func (device *Device) IpcSetOperation(socket *bufio.Reader) *IPCError {
switch key {
case "private_key":
var sk NoisePrivateKey
err := sk.FromHex(value)
err := sk.FromMaybeZeroHex(value)
if err != nil {
logError.Println("Failed to set private_key:", err)
return &IPCError{ipc.IpcErrorInvalid}