-
Notifications
You must be signed in to change notification settings - Fork 2
/
ports.go
73 lines (64 loc) · 1.68 KB
/
ports.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// Copyright (C) 2022-2024 - 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
}