59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package utils
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import (
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"fmt"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gluetun/internal/constants"
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"github.com/qdm12/gluetun/internal/constants/vpn"
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"github.com/qdm12/gluetun/internal/models"
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)
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func getPort(selection settings.ServerSelection, server models.Server,
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defaultOpenVPNTCP, defaultOpenVPNUDP, defaultWireguard uint16,
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) (port uint16) {
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switch selection.VPN {
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case vpn.Wireguard:
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customPort := *selection.Wireguard.EndpointPort
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if customPort > 0 {
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// Note: servers filtering ensures the custom port is within the
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// server ports defined if any is set.
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return customPort
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}
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if len(server.PortsUDP) > 0 {
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defaultWireguard = server.PortsUDP[0]
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}
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checkDefined("Wireguard", defaultWireguard)
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return defaultWireguard
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default: // OpenVPN
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customPort := *selection.OpenVPN.CustomPort
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if customPort > 0 {
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// Note: servers filtering ensures the custom port is within the
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// server ports defined if any is set.
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return customPort
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}
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if selection.OpenVPN.Protocol == constants.TCP {
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if len(server.PortsTCP) > 0 {
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defaultOpenVPNTCP = server.PortsTCP[0]
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}
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checkDefined("OpenVPN TCP", defaultOpenVPNTCP)
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return defaultOpenVPNTCP
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}
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if len(server.PortsUDP) > 0 {
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defaultOpenVPNUDP = server.PortsUDP[0]
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}
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checkDefined("OpenVPN UDP", defaultOpenVPNUDP)
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return defaultOpenVPNUDP
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}
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}
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func checkDefined(portName string, port uint16) {
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if port > 0 {
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return
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}
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message := fmt.Sprintf("no default %s port is defined!", portName)
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panic(message)
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}
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