63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"github.com/DataDrake/cli-ng/v2/cmd"
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"github.com/hyprspace/hyprspace/tun"
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)
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// Down brings down a Hyprspace interface and removes it from the system.
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var Down = cmd.Sub{
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Name: "down",
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Alias: "d",
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Short: "Bring Down A Hyprspace Interface.",
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Args: &DownArgs{},
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Run: DownRun,
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}
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// DownArgs handles the specific arguments for the down command.
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type DownArgs struct {
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InterfaceName string
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}
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// DownRun handles the execution of the down command.
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func DownRun(r *cmd.Root, c *cmd.Sub) {
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// Parse Command Args
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args := c.Args.(*DownArgs)
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// Parse Global Config Flag for Custom Config Path
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configPath := r.Flags.(*GlobalFlags).Config
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if configPath == "" {
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configPath = "/etc/hyprspace/" + args.InterfaceName + ".yaml"
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}
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// Read lock from file system to stop process.
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lockPath := filepath.Join(filepath.Dir(configPath), args.InterfaceName+".lock")
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out, err := os.ReadFile(lockPath)
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checkErr(err)
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pid, err := strconv.Atoi(string(out))
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checkErr(err)
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process, err := os.FindProcess(pid)
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checkErr(err)
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err0 := process.Signal(os.Interrupt)
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err1 := tun.Delete(args.InterfaceName)
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// Different types of systems may need the tun devices destroyed first or
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// the process to exit first don't worry as long as one of these two has
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// succeeded.
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if err0 != nil && err1 != nil {
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checkErr(err0)
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checkErr(err1)
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}
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fmt.Println("[+] deleted hyprspace " + args.InterfaceName + " daemon")
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}
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