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This commit is contained in:
Daylin Morgan 2024-08-16 15:39:21 -05:00
parent 6774069a4f
commit eca60579ef
Signed by: daylin
GPG key ID: 950D13E9719334AD
2 changed files with 15 additions and 20 deletions
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4
flake.nix
View file

@ -20,7 +20,9 @@
{
packages = forAllSystems (pkgs: rec {
utils = pkgs.callPackage ./meta.nix { inherit tunnel; };
tunnel = pkgs.callPackage ./tunnel-go { };
tunnel-go = pkgs.callPackage ./tunnel-go { };
tunnel-nim = pkgs.callPackage ./tunnel-nim { };
tunnel = tunnel-nim;
default = utils;
});
devShells = forAllSystems (pkgs: {

17
tunnel-nim/tunnel.nim
View file

@ -1,22 +1,16 @@
import std/[os, osproc, sequtils, strformat, strutils, sugar]
import cligen
proc checkHost(host: seq[string]): string =
case host.len:
of 0: quit "expected hostname"
of 1: return host[0]
of 0: quit "expected hostname"
else: quit "expected one positinal argument"
proc check(name: string): bool =
(execCmd &"ssh -O check {name}") == 0
proc startSsh(name: string) =
discard execCmd &"ssh -M -f -N {name}"
proc activateTunnel(name: string, port: int): int =
execCmd &"""ssh -fNL "{port}:localhost:{port}" {name}"""
proc exitSsh(name: string):int =
execCmd &"ssh -O exit {name}"
proc check(name: string): bool = (execCmd &"ssh -O check {name}") == 0
proc startSsh(name: string) = discard execCmd &"ssh -M -f -N {name}"
proc activateTunnel(name: string, port: int): int = execCmd &"""ssh -fNL "{port}:localhost:{port}" {name}"""
proc exitSsh(name: string):int = execCmd &"ssh -O exit {name}"
proc up(port: int, host: seq[string]) =
## activate a tunnel
@ -26,7 +20,6 @@ proc up(port: int, host: seq[string]) =
startSsh(name)
quit activateTunnel(name, port)
proc down(host: seq[string]) =
## disable all tunnels
let name = checkHost host