Add old reference code

.gitignore

@@ -1,3 +1,6 @@
+# Folder with result WG configs
+result/
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

make_configs.py

@@ -0,0 +1,52 @@
+import subprocess
+
+def user_cfg(private_key, n):
+    user_cfg = f'''
+    [Interface]
+    PrivateKey = {private_key}
+    Address = 10.0.0.{n}/32
+    DNS = 1.1.1.1
+
+    [Peer]
+    PublicKey = {public_key}
+    AllowedIPs = 0.0.0.0/0, ::/0
+    Endpoint = 89.19.211.56:51820
+    '''
+    return user_cfg
+
+def server_cfg(peers):
+    server_cfg = '''
+    [Interface]
+    PrivateKey = {private_key}
+    Address = 10.0.0.1/32
+    PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
+    PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
+    ListenPort = 51820
+
+    [Peer]
+    PublicKey = {public_key}
+    AllowedIPs = 10.0.0.2/32
+    '''
+    return '\n\n'.join([server_cfg]+list(map(lambda x: peer_cfg(*x), enumerate(peers, 3))))
+
+def peer_cfg(n, peer_public_key):
+    peer_cfg = f'''
+    [Peer]
+    PublicKey = {peer_public_key}
+    AllowedIPs = 10.0.0.{n}/32
+    '''
+    return peer_cfg
+
+peers = []
+for n, user in enumerate(['fedor-walker', 'fedor-phone', 'polina-notebook', 'polina-phone'], 3):
+    with subprocess.Popen('wg genkey | tee privatekey | wg pubkey > publickey', shell=True):
+        pass
+    with open('privatekey') as f:
+        private_key = f.read().strip()
+    with open('publickey') as f:
+        public_key = f.read().strip()
+    with open(f'{user}.conf', 'w') as f:
+        f.write(user_cfg(private_key, n))
+    peers.append(public_key)
+with open(f'server.conf', 'w') as f:
+    f.write(server_cfg(peers))