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New functions DetectSerialPort() and GetSerialPorts()
Previously found in internal/util in -apps, slightly changed to be a little less verbose.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| // Copyright (C) 2022 - Tillitis AB | ||
| // SPDX-License-Identifier: GPL-2.0-only | ||
|
|
||
| package tkeyclient | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "go.bug.st/serial/enumerator" | ||
| ) | ||
|
|
||
| const ( | ||
| tillitisUSBVID = "1207" | ||
| tillitisUSBPID = "8887" | ||
| // Custom errors | ||
| ErrNoDevice = constError("no TKey connected") | ||
| ErrManyDevices = constError("more than one TKey connected") | ||
| ) | ||
|
|
||
| type SerialPort struct { | ||
| DevPath string | ||
| SerialNumber string | ||
| } | ||
|
|
||
| // DetectSerialPort tries to detect an inserted TKey and returns the | ||
| // device path if successful. | ||
| func DetectSerialPort(verbose bool) (string, error) { | ||
| ports, err := GetSerialPorts() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| if len(ports) == 0 { | ||
| if verbose { | ||
| fmt.Fprintf(os.Stderr, "No TKey serial ports detected.\n") | ||
| } | ||
| return "", ErrNoDevice | ||
| } | ||
| if len(ports) > 1 { | ||
| if verbose { | ||
| fmt.Fprintf(os.Stderr, "Detected %d TKey serial ports:\n", len(ports)) | ||
| for _, p := range ports { | ||
| fmt.Fprintf(os.Stderr, "%s with serial number %s\n", p.DevPath, p.SerialNumber) | ||
| } | ||
| } | ||
| return "", ErrManyDevices | ||
| } | ||
| if verbose { | ||
| fmt.Fprintf(os.Stderr, "Auto-detected serial port %s\n", ports[0].DevPath) | ||
| } | ||
|
|
||
| return ports[0].DevPath, nil | ||
| } | ||
|
|
||
| // GetSerialPorts enumerates any existing TKey serial ports identified | ||
| // on the system. | ||
| func GetSerialPorts() ([]SerialPort, error) { | ||
| var ports []SerialPort | ||
|
|
||
| portDetails, err := enumerator.GetDetailedPortsList() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("GetDetailedPortsList: %w", err) | ||
| } | ||
| if len(portDetails) == 0 { | ||
| return ports, nil | ||
| } | ||
| for _, port := range portDetails { | ||
| if port.IsUSB && port.VID == tillitisUSBVID && port.PID == tillitisUSBPID { | ||
| ports = append(ports, SerialPort{port.Name, port.SerialNumber}) | ||
| } | ||
| } | ||
| return ports, nil | ||
| } |