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feat(vpn): VPN_UP_COMMAND and VPN_DOWN_COMMAND options

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This commit is contained in:
Quentin McGaw
2026-03-08 16:06:16 +00:00
parent c0af198155
commit 57c53bc19e
14 changed files with 152 additions and 68 deletions
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internal/configuration/settings/vpn.go
+30 -5
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@@ -19,6 +19,14 @@ type VPN struct {
OpenVPN OpenVPN `json:"openvpn"`
Wireguard Wireguard `json:"wireguard"`
PMTUD PMTUD `json:"pmtud"`
// UpCommand is the command to use when the VPN connection is up.
// It can be the empty string to indicate not to run a command.
// It cannot be nil in the internal state.
UpCommand *string `json:"up_command"`
// DownCommand is the command to use after the VPN connection goes down.
// It can be the empty string to indicate to NOT run a command.
// It cannot be nil in the internal state.
DownCommand *string `json:"down_command"`
}
// TODO v4 remove pointer for receiver (because of Surfshark).
@@ -56,11 +64,13 @@ func (v *VPN) Validate(filterChoicesGetter FilterChoicesGetter, ipv6Supported bo
func (v *VPN) Copy() (copied VPN) {
return VPN{
Type: v.Type,
Provider: v.Provider.copy(),
OpenVPN: v.OpenVPN.copy(),
Wireguard: v.Wireguard.copy(),
PMTUD: v.PMTUD.copy(),
Type: v.Type,
Provider: v.Provider.copy(),
OpenVPN: v.OpenVPN.copy(),
Wireguard: v.Wireguard.copy(),
PMTUD: v.PMTUD.copy(),
UpCommand: gosettings.CopyPointer(v.UpCommand),
DownCommand: gosettings.CopyPointer(v.DownCommand),
}
}
@@ -70,6 +80,8 @@ func (v *VPN) OverrideWith(other VPN) {
v.OpenVPN.overrideWith(other.OpenVPN)
v.Wireguard.overrideWith(other.Wireguard)
v.PMTUD.overrideWith(other.PMTUD)
v.UpCommand = gosettings.OverrideWithPointer(v.UpCommand, other.UpCommand)
v.DownCommand = gosettings.OverrideWithPointer(v.DownCommand, other.DownCommand)
}
func (v *VPN) setDefaults() {
@@ -78,6 +90,8 @@ func (v *VPN) setDefaults() {
v.OpenVPN.setDefaults(v.Provider.Name)
v.Wireguard.setDefaults(v.Provider.Name)
v.PMTUD.setDefaults()
v.UpCommand = gosettings.DefaultPointer(v.UpCommand, "")
v.DownCommand = gosettings.DefaultPointer(v.DownCommand, "")
}
func (v VPN) String() string {
@@ -96,6 +110,13 @@ func (v VPN) toLinesNode() (node *gotree.Node) {
}
node.AppendNode(v.PMTUD.toLinesNode())
if *v.UpCommand != "" {
node.Appendf("Up command: %s", *v.UpCommand)
}
if *v.DownCommand != "" {
node.Appendf("Down command: %s", *v.DownCommand)
}
return node
}
@@ -122,5 +143,9 @@ func (v *VPN) read(r *reader.Reader) (err error) {
return fmt.Errorf("PMTUD: %w", err)
}
v.UpCommand = r.Get("VPN_UP_COMMAND", reader.ForceLowercase(false))
v.DownCommand = r.Get("VPN_DOWN_COMMAND", reader.ForceLowercase(false))
return nil
}