75 lines
1.6 KiB
Go
75 lines
1.6 KiB
Go
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package main
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"deadbeef.codes/steven/hyp/otphyp"
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)
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func main() {
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if len(os.Args) < 2 {
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usage()
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}
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switch os.Args[1] {
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case "generatesecret":
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sharedSecret, err := otphyp.GenerateSecret()
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if err != nil {
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log.Fatalf("failed to generate shared secret: %v", err)
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}
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f, err := os.Create("hyp.secret")
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if err != nil {
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log.Fatalf("failed to create file 'hyp.secret': %v", err)
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}
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_, err = f.WriteString(sharedSecret)
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if err != nil {
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log.Fatalf("failed to write to file 'hyp.secret': %v", err)
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}
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f.Close()
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fmt.Println("Created file hyp.secret")
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case "server":
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secretBytes, err := os.ReadFile("hyp.secret")
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if err != nil {
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log.Fatalf("failed to read file 'hyp.secret': %v", err)
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}
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sharedSecret = string(secretBytes)
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if len(os.Args) < 3 {
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usage()
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}
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packetServer(os.Args[2])
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}
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}
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func usage() {
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fmt.Print(`hyp <command>
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Commands:
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generatesecret - creates a pre shared key file named hyp.secret which can be distributed to a trusted client
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server <device> - TBD
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Example Usage:
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# Linux
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hyp server "/dev/eth0"
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# Windows - get-netadapter | where {$_.Name -eq “Ethernet”} | Select-Object -Property DeviceName
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hyp server "\\Device\\NPF_{A066F7DE-CC2D-4E4B-97C4-BF0EC4C03649}"
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`)
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os.Exit(1)
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}
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// TBD: Implement
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func handleSuccess(srcip string) {
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fmt.Println("Success for ", srcip)
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cmd := exec.Command("iptables", "-A", "INPUT", "-p", "tcp", "-s", srcip, "--dport", "22", "-j", "ACCEPT")
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err := cmd.Run()
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if err != nil {
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log.Printf("failed to execute iptables command for '%s': %v", srcip, err)
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}
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}
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