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Make sure we check for ipv4 and ipv6 early

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Otherwise we still get an interface added but without any config
This commit is contained in:
Martin Eskdale Moen 2020-12-27 18:12:42 +00:00
parent c47ff356c1
commit 0e3eb80602
1 changed files with 4 additions and 4 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 // CreateLink sets up the WG interface and link with the correct
// address // address
func CreateLink(conf *DsnetConfig) { 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 := netlink.NewLinkAttrs()
linkAttrs.Name = conf.InterfaceName linkAttrs.Name = conf.InterfaceName
@ -33,10 +37,6 @@ func CreateLink(conf *DsnetConfig) {
ExitFail("Could not add interface '%s' (%v)", conf.InterfaceName, err) ExitFail("Could not add interface '%s' (%v)", conf.InterfaceName, err)
} }
if len(conf.IP) == 0 && len(conf.IP6) == 0 {
ExitFail("No IPv4 or IPv6 network defined in config")
}
if len(conf.IP) != 0 { if len(conf.IP) != 0 {
addr := &netlink.Addr{ addr := &netlink.Addr{
IPNet: &net.IPNet{ IPNet: &net.IPNet{