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Set ip if configured, otherwise just bring up link

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This commit is contained in:
Martin Eskdale Moen 2020-12-20 15:27:02 +00:00
parent e719f111f1
commit 7aa7548df6
1 changed files with 25 additions and 19 deletions
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10
up.go
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@ -17,6 +17,8 @@ func RunPostUp(conf *DsnetConfig) {
ShellOut(conf.PostUp, "PostUp") ShellOut(conf.PostUp, "PostUp")
} }
// CreateLink sets up the WG interface and link with the correct
// address
func CreateLink(conf *DsnetConfig) { func CreateLink(conf *DsnetConfig) {
linkAttrs := netlink.NewLinkAttrs() linkAttrs := netlink.NewLinkAttrs()
linkAttrs.Name = conf.InterfaceName linkAttrs.Name = conf.InterfaceName
@ -31,6 +33,7 @@ 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 conf.IP != nil {
addr := &netlink.Addr{ addr := &netlink.Addr{
IPNet: &net.IPNet{ IPNet: &net.IPNet{
IP: conf.IP, IP: conf.IP,
@ -40,9 +43,11 @@ func CreateLink(conf *DsnetConfig) {
err = netlink.AddrAdd(link, addr) err = netlink.AddrAdd(link, addr)
if err != nil { if err != nil {
ExitFail("Could not add addr %s to interface %s", addr.IP, err) ExitFail("Could not add ipv4 addr %s to interface %s", addr.IP, err)
}
} }
if conf.IP6 != nil {
addr6 := &netlink.Addr{ addr6 := &netlink.Addr{
IPNet: &net.IPNet{ IPNet: &net.IPNet{
IP: conf.IP6, IP: conf.IP6,
@ -52,7 +57,8 @@ func CreateLink(conf *DsnetConfig) {
err = netlink.AddrAdd(link, addr6) err = netlink.AddrAdd(link, addr6)
if err != nil { if err != nil {
ExitFail("Could not add addr %s to interface %s", addr.IP, err) ExitFail("Could not add ipv6 addr %s to interface %s", addr6.IP, err)
}
} }
// bring up interface (UNKNOWN state instead of UP, a wireguard quirk) // bring up interface (UNKNOWN state instead of UP, a wireguard quirk)