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Merge pull request #37 from botto/require-xor-ipv4-ipv6

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Ensure we always have at least 1 address in config
This commit is contained in:
Callan Bryant 2020-12-27 21:29:16 +00:00 committed by GitHub
commit 4c6e5301db
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1 changed files with 6 additions and 2 deletions
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8
up.go
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@ -20,6 +20,10 @@ func RunPostUp(conf *DsnetConfig) {
// CreateLink sets up the WG interface and link with the correct
// address
func CreateLink(conf *DsnetConfig) {
if len(conf.IP) == 0 && len(conf.IP6) == 0 {
ExitFail("No IPv4 or IPv6 network defined in config")
}
linkAttrs := netlink.NewLinkAttrs()
linkAttrs.Name = conf.InterfaceName
@ -33,7 +37,7 @@ func CreateLink(conf *DsnetConfig) {
ExitFail("Could not add interface '%s' (%v)", conf.InterfaceName, err)
}
if conf.IP != nil {
if len(conf.IP) != 0 {
addr := &netlink.Addr{
IPNet: &net.IPNet{
IP: conf.IP,
@ -47,7 +51,7 @@ func CreateLink(conf *DsnetConfig) {
}
}
if conf.IP6 != nil {
if len(conf.IP6) != 0 {
addr6 := &netlink.Addr{
IPNet: &net.IPNet{
IP: conf.IP6,