From cbfcc890e3b76d942b927809bf981a5fa7289e6a Mon Sep 17 00:00:00 2001
From: lassulus <git@lassul.us>
Date: Fri, 28 Jul 2023 12:32:43 +0200
Subject: l yellow.r: migrate to airvpn

---
 lass/1systems/yellow/config.nix | 98 +++++------------------------------------
 lass/2configs/zsh.nix           | 12 +++++
 2 files changed, 23 insertions(+), 87 deletions(-)

(limited to 'lass')

diff --git a/lass/1systems/yellow/config.nix b/lass/1systems/yellow/config.nix
index fb28fb029..2da93b8fd 100644
--- a/lass/1systems/yellow/config.nix
+++ b/lass/1systems/yellow/config.nix
@@ -1,5 +1,6 @@
 { config, lib, pkgs, ... }: let
-  vpnIp = "85.202.81.161";
+  vpnPort = 1637;
+  torrentport = 56709; # port forwarded in airvpn webinterface
 in {
   imports = [
     <stockholm/lass>
@@ -18,99 +19,22 @@ in {
   networking.useHostResolvConf = false;
   networking.useNetworkd = true;
 
-  services.openvpn.servers.nordvpn.config = ''
-    client
-    dev tun
-    proto udp
-    remote ${vpnIp} 1194
-    resolv-retry infinite
-    remote-random
-    nobind
-    tun-mtu 1500
-    tun-mtu-extra 32
-    mssfix 1450
-    persist-key
-    persist-tun
-    ping 15
-    ping-restart 15
-    ping-timer-rem
-    reneg-sec 0
-    comp-lzo no
-
-    remote-cert-tls server
-
-    auth-user-pass ${toString <secrets/nordvpn.txt>}
-    verb 3
-    pull
-    fast-io
-    cipher AES-256-CBC
-    auth SHA512
-
-    <ca>
-    -----BEGIN CERTIFICATE-----
-    MIIFCjCCAvKgAwIBAgIBATANBgkqhkiG9w0BAQ0FADA5MQswCQYDVQQGEwJQQTEQ
-    MA4GA1UEChMHTm9yZFZQTjEYMBYGA1UEAxMPTm9yZFZQTiBSb290IENBMB4XDTE2
-    MDEwMTAwMDAwMFoXDTM1MTIzMTIzNTk1OVowOTELMAkGA1UEBhMCUEExEDAOBgNV
-    BAoTB05vcmRWUE4xGDAWBgNVBAMTD05vcmRWUE4gUm9vdCBDQTCCAiIwDQYJKoZI
-    hvcNAQEBBQADggIPADCCAgoCggIBAMkr/BYhyo0F2upsIMXwC6QvkZps3NN2/eQF
-    kfQIS1gql0aejsKsEnmY0Kaon8uZCTXPsRH1gQNgg5D2gixdd1mJUvV3dE3y9FJr
-    XMoDkXdCGBodvKJyU6lcfEVF6/UxHcbBguZK9UtRHS9eJYm3rpL/5huQMCppX7kU
-    eQ8dpCwd3iKITqwd1ZudDqsWaU0vqzC2H55IyaZ/5/TnCk31Q1UP6BksbbuRcwOV
-    skEDsm6YoWDnn/IIzGOYnFJRzQH5jTz3j1QBvRIuQuBuvUkfhx1FEwhwZigrcxXu
-    MP+QgM54kezgziJUaZcOM2zF3lvrwMvXDMfNeIoJABv9ljw969xQ8czQCU5lMVmA
-    37ltv5Ec9U5hZuwk/9QO1Z+d/r6Jx0mlurS8gnCAKJgwa3kyZw6e4FZ8mYL4vpRR
-    hPdvRTWCMJkeB4yBHyhxUmTRgJHm6YR3D6hcFAc9cQcTEl/I60tMdz33G6m0O42s
-    Qt/+AR3YCY/RusWVBJB/qNS94EtNtj8iaebCQW1jHAhvGmFILVR9lzD0EzWKHkvy
-    WEjmUVRgCDd6Ne3eFRNS73gdv/C3l5boYySeu4exkEYVxVRn8DhCxs0MnkMHWFK6
-    MyzXCCn+JnWFDYPfDKHvpff/kLDobtPBf+Lbch5wQy9quY27xaj0XwLyjOltpiST
-    LWae/Q4vAgMBAAGjHTAbMAwGA1UdEwQFMAMBAf8wCwYDVR0PBAQDAgEGMA0GCSqG
-    SIb3DQEBDQUAA4ICAQC9fUL2sZPxIN2mD32VeNySTgZlCEdVmlq471o/bDMP4B8g
-    nQesFRtXY2ZCjs50Jm73B2LViL9qlREmI6vE5IC8IsRBJSV4ce1WYxyXro5rmVg/
-    k6a10rlsbK/eg//GHoJxDdXDOokLUSnxt7gk3QKpX6eCdh67p0PuWm/7WUJQxH2S
-    DxsT9vB/iZriTIEe/ILoOQF0Aqp7AgNCcLcLAmbxXQkXYCCSB35Vp06u+eTWjG0/
-    pyS5V14stGtw+fA0DJp5ZJV4eqJ5LqxMlYvEZ/qKTEdoCeaXv2QEmN6dVqjDoTAo
-    k0t5u4YRXzEVCfXAC3ocplNdtCA72wjFJcSbfif4BSC8bDACTXtnPC7nD0VndZLp
-    +RiNLeiENhk0oTC+UVdSc+n2nJOzkCK0vYu0Ads4JGIB7g8IB3z2t9ICmsWrgnhd
-    NdcOe15BincrGA8avQ1cWXsfIKEjbrnEuEk9b5jel6NfHtPKoHc9mDpRdNPISeVa
-    wDBM1mJChneHt59Nh8Gah74+TM1jBsw4fhJPvoc7Atcg740JErb904mZfkIEmojC
-    VPhBHVQ9LHBAdM8qFI2kRK0IynOmAZhexlP/aT/kpEsEPyaZQlnBn3An1CRz8h0S
-    PApL8PytggYKeQmRhl499+6jLxcZ2IegLfqq41dzIjwHwTMplg+1pKIOVojpWA==
-    -----END CERTIFICATE-----
-    </ca>
-    key-direction 1
-    <tls-auth>
-    #
-    # 2048 bit OpenVPN static key
-    #
-    -----BEGIN OpenVPN Static key V1-----
-    e685bdaf659a25a200e2b9e39e51ff03
-    0fc72cf1ce07232bd8b2be5e6c670143
-    f51e937e670eee09d4f2ea5a6e4e6996
-    5db852c275351b86fc4ca892d78ae002
-    d6f70d029bd79c4d1c26cf14e9588033
-    cf639f8a74809f29f72b9d58f9b8f5fe
-    fc7938eade40e9fed6cb92184abb2cc1
-    0eb1a296df243b251df0643d53724cdb
-    5a92a1d6cb817804c4a9319b57d53be5
-    80815bcfcb2df55018cc83fc43bc7ff8
-    2d51f9b88364776ee9d12fc85cc7ea5b
-    9741c4f598c485316db066d52db4540e
-    212e1518a9bd4828219e24b20d88f598
-    a196c9de96012090e333519ae18d3509
-    9427e7b372d348d352dc4c85e18cd4b9
-    3f8a56ddb2e64eb67adfc9b337157ff4
-    -----END OpenVPN Static key V1-----
-    </tls-auth>
-  '';
+  networking.wg-quick.interfaces.airvpn.configFile = "/var/src/secrets/airvpn.conf";
+  services.transmission.settings.peer-port = torrentport;
 
+  # only allow traffic through openvpn
   krebs.iptables = {
     enable = true;
+    tables.filter.INPUT.rules = [
+      { predicate = "-i airvpn -p tcp --dport ${toString torrentport}"; target = "ACCEPT"; }
+      { predicate = "-i airvpn -p udp --dport ${toString torrentport}"; target = "ACCEPT"; }
+    ];
     tables.filter.OUTPUT = {
       policy = "DROP";
       rules = [
         { predicate = "-o lo"; target = "ACCEPT"; }
-        { v6 = false; predicate = "-d ${vpnIp}/32"; target = "ACCEPT"; }
-        { predicate = "-o tun0"; target = "ACCEPT"; }
+        { predicate = "-p udp --dport ${toString vpnPort}"; target = "ACCEPT"; }
+        { predicate = "-o airvpn"; target = "ACCEPT"; }
         { predicate = "-o retiolum"; target = "ACCEPT"; }
         { v6 = false; predicate = "-d 1.1.1.1/32"; target = "ACCEPT"; }
         { v6 = false; predicate = "-d 1.0.0.1/32"; target = "ACCEPT"; }
diff --git a/lass/2configs/zsh.nix b/lass/2configs/zsh.nix
index a7b0c372c..f77aa258b 100644
--- a/lass/2configs/zsh.nix
+++ b/lass/2configs/zsh.nix
@@ -51,6 +51,18 @@
       #enable automatic rehashing of $PATH
       zstyle ':completion:*' rehash true
 
+      # fancy mv which interactively gets the second argument if not given
+      function mv() {
+        if [[ "$#" -ne 1 ]] || [[ ! -e "$1" ]]; then
+          command mv -v "$@"
+          return
+        fi
+
+        newfilename="$1"
+        vared newfilename
+        command mv -v -- "$1" "$newfilename"
+      }
+
       #beautiful colors
       eval $(dircolors -b ${pkgs.fetchFromGitHub {
         owner = "trapd00r";
-- 
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