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dhcp6: inspect server advertisment IAPD and report error, if any

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The fiber7 DHCPv6 servers (sometimes?) use this field for reporting errors.
This commit is contained in:
Michael Stapelberg
2020-07-02 22:06:55 +02:00
parent 281f876834
commit ae8cfee616
1 changed files with 8 additions and 0 deletions
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8
internal/dhcp6/dhcp6.go
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@ -266,6 +266,14 @@ func (c *Client) ObtainOrRenew() bool {
}
c.advertise = advertise
if iapd := advertise.Options.OneIAPD(); iapd != nil {
if status := iapd.Options.Status(); status != nil && status.StatusCode != iana.StatusSuccess {
c.err = fmt.Errorf("IAPD error: %v (%v)", status.StatusCode, status.StatusMessage)
return false
}
}
_, reply, err := c.request(advertise)
if err != nil {
c.err = err