84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
package params
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import (
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"fmt"
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"net"
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"github.com/qdm12/gluetun/internal/models"
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libparams "github.com/qdm12/golibs/params"
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)
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// GetUser obtains the user to use to connect to the VPN servers
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func (r *reader) GetUser() (s string, err error) {
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defer func() {
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unsetenvErr := r.unsetEnv("USER")
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if err == nil {
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err = unsetenvErr
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}
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}()
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return r.envParams.GetEnv("USER", libparams.CaseSensitiveValue(), libparams.Compulsory())
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}
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// GetPassword obtains the password to use to connect to the VPN servers
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func (r *reader) GetPassword(required bool) (s string, err error) {
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defer func() {
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unsetenvErr := r.unsetEnv("PASSWORD")
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if err == nil {
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err = unsetenvErr
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}
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}()
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options := []libparams.GetEnvSetter{libparams.CaseSensitiveValue()}
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if required {
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options = append(options, libparams.Compulsory())
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}
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return r.envParams.GetEnv("PASSWORD", options...)
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}
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// GetNetworkProtocol obtains the network protocol to use to connect to the
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// VPN servers from the environment variable PROTOCOL
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func (r *reader) GetNetworkProtocol() (protocol models.NetworkProtocol, err error) {
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s, err := r.envParams.GetValueIfInside("PROTOCOL", []string{"tcp", "udp"}, libparams.Default("udp"))
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return models.NetworkProtocol(s), err
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}
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// GetOpenVPNVerbosity obtains the verbosity level for verbosity between 0 and 6
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// from the environment variable OPENVPN_VERBOSITY
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func (r *reader) GetOpenVPNVerbosity() (verbosity int, err error) {
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return r.envParams.GetEnvIntRange("OPENVPN_VERBOSITY", 0, 6, libparams.Default("1"))
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}
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// GetOpenVPNRoot obtains if openvpn should be run as root
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// from the environment variable OPENVPN_ROOT
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func (r *reader) GetOpenVPNRoot() (root bool, err error) {
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return r.envParams.GetYesNo("OPENVPN_ROOT", libparams.Default("no"))
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}
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// GetTargetIP obtains the IP address to choose from the list of IP addresses
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// available for a particular region, from the environment variable
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// OPENVPN_TARGET_IP
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func (r *reader) GetTargetIP() (ip net.IP, err error) {
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s, err := r.envParams.GetEnv("OPENVPN_TARGET_IP")
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if len(s) == 0 {
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return nil, nil
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} else if err != nil {
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return nil, err
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}
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ip = net.ParseIP(s)
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if ip == nil {
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return nil, fmt.Errorf("target IP address %q is not valid", s)
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}
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return ip, nil
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}
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// GetOpenVPNCipher obtains a custom cipher to use with OpenVPN
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// from the environment variable OPENVPN_CIPHER
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func (r *reader) GetOpenVPNCipher() (cipher string, err error) {
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return r.envParams.GetEnv("OPENVPN_CIPHER")
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}
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// GetOpenVPNAuth obtains a custom auth algorithm to use with OpenVPN
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// from the environment variable OPENVPN_AUTH
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func (r *reader) GetOpenVPNAuth() (auth string, err error) {
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return r.envParams.GetEnv("OPENVPN_AUTH")
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}
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