()
| 58 | } |
| 59 | |
| 60 | func main() { |
| 61 | if len(os.Args) == 2 && os.Args[1] == "--version" { |
| 62 | fmt.Printf("wireguard-go v%s\n\nUserspace WireGuard daemon for %s-%s.\nInformation available at https://www.wireguard.com.\nCopyright (C) Jason A. Donenfeld <Jason@zx2c4.com>.\n", Version, runtime.GOOS, runtime.GOARCH) |
| 63 | return |
| 64 | } |
| 65 | |
| 66 | warning() |
| 67 | |
| 68 | var foreground bool |
| 69 | var interfaceName string |
| 70 | if len(os.Args) < 2 || len(os.Args) > 3 { |
| 71 | printUsage() |
| 72 | return |
| 73 | } |
| 74 | |
| 75 | switch os.Args[1] { |
| 76 | |
| 77 | case "-f", "--foreground": |
| 78 | foreground = true |
| 79 | if len(os.Args) != 3 { |
| 80 | printUsage() |
| 81 | return |
| 82 | } |
| 83 | interfaceName = os.Args[2] |
| 84 | |
| 85 | default: |
| 86 | foreground = false |
| 87 | if len(os.Args) != 2 { |
| 88 | printUsage() |
| 89 | return |
| 90 | } |
| 91 | interfaceName = os.Args[1] |
| 92 | } |
| 93 | |
| 94 | if !foreground { |
| 95 | foreground = os.Getenv(ENV_WG_PROCESS_FOREGROUND) == "1" |
| 96 | } |
| 97 | |
| 98 | // get log level (default: info) |
| 99 | |
| 100 | logLevel := func() int { |
| 101 | switch os.Getenv("LOG_LEVEL") { |
| 102 | case "verbose", "debug": |
| 103 | return device.LogLevelVerbose |
| 104 | case "error": |
| 105 | return device.LogLevelError |
| 106 | case "silent": |
| 107 | return device.LogLevelSilent |
| 108 | } |
| 109 | return device.LogLevelError |
| 110 | }() |
| 111 | |
| 112 | // open TUN device (or use supplied fd) |
| 113 | |
| 114 | tdev, err := func() (tun.Device, error) { |
| 115 | tunFdStr := os.Getenv(ENV_WG_TUN_FD) |
| 116 | if tunFdStr == "" { |
| 117 | return tun.CreateTUN(interfaceName, device.DefaultMTU) |
nothing calls this directly
no test coverage detected