nixops: add back abdul

Redirect www.* URLs to non-www.* with default 301 code in order to reduce number of copies of the websites in search engines

Signed-off-by: Egor Savkin <es@m-labs.hk>

m-labs-intl/60-tunnels.yaml

@@ -0,0 +1,18 @@
+network:
+   version: 2
+   renderer: networkd
+   ethernets:
+     eth0:
+       addresses:
+       - 5.78.86.156/32
+       - 2a01:4ff:1f0:83de::2/64
+       - 2a01:4ff:1f0:83de::3/64
+       - 2a01:4ff:1f0:83de::4/64
+   tunnels:
+     gre1:
+       mode: gre
+       local: 5.78.86.156
+       remote: 94.190.212.123
+       addresses:
+        - 10.47.3.0/31
+

m-labs-intl/gretun.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=GRE tunnel to the main host
+After=network.target
+
+[Service]
+Type=simple
+User=root
+ExecStart=/root/gretun.sh
+ExecStop=/root/gretun_down.sh
+Restart=on-failure
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target

m-labs-intl/gretun.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
+/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
+
+/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
+/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
+
+/usr/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
+/usr/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

m-labs-intl/gretun_down.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+/usr/sbin/iptables -t nat -D PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
+/usr/sbin/iptables -D FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
+
+/usr/sbin/iptables -t nat -D PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
+/usr/sbin/iptables -D FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
+
+/usr/sbin/iptables -D FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
+/usr/sbin/iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE

m-labs-intl/m-labs-intl.com

@@ -0,0 +1,81 @@
+upstream rfq_server {
+    server 127.0.0.1:5000;
+}
+
+server {
+    limit_conn addr 5;
+
+    root /var/www/m-labs-intl.com/html;
+    index index.html index.htm index.nginx-debian.html;
+
+    server_name m-labs-intl.com;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+
+    listen [::]:443 ssl ipv6only=on; # managed by Certbot
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+}
+
+server {
+    server_name www.m-labs-intl.com;
+    return 301 https://m-labs-intl.com$request_uri;
+
+    listen [::]:443 ssl; # managed by Certbot
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+}
+
+server {
+    server_name hooks.m-labs-intl.com;
+    limit_conn addr 5;
+
+    location /rfq {
+        proxy_pass http://rfq_server/rfq;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_read_timeout 30;
+        proxy_connect_timeout 30;
+        proxy_send_timeout 30;
+    }
+
+    location / {
+        return 418;
+    }
+
+    listen [::]:443 ssl; # managed by Certbot
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/m-labs-intl.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/m-labs-intl.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+}
+
+server {
+    limit_conn addr 5;
+    if ($host = m-labs-intl.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    if ($host = www.m-labs-intl.com) {
+        return 301 https://m-labs-intl.com$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    listen [::]:80;
+
+    server_name m-labs-intl.com www.m-labs-intl.com hooks.m-labs-intl.com;
+    return 301 https://$host$request_uri;
+}

m-labs-intl/m-labs.hk.conf

@@ -0,0 +1,34 @@
+
+
+connections {
+  m_labs {
+    version = 2
+    encap = no
+    mobike = no
+    send_certreq = no
+    proposals = aes128gcm128-sha256-prfsha256-curve25519,aes128gcm128-sha256-prfsha256-ecp256
+    local_addrs = 5.78.86.156
+    remote_addrs = 94.190.212.123
+    local {
+      auth = pubkey
+      id = fqdn:m-labs-intl.com
+      pubkeys = m-labs-intl.com
+    }
+    remote {
+      auth = pubkey
+      id = fqdn:m-labs.hk
+      pubkeys = m-labs.hk
+    }
+    children {
+      con1 {
+        mode = transport
+        ah_proposals = sha256-curve25519,sha256-ecp256
+        esp_proposals =
+        local_ts = 5.78.86.156[gre]
+        remote_ts = 94.190.212.123[gre]
+        start_action = start
+        close_action = none
+      }
+    }
+  } 
+}

m-labs-intl/nginx.conf

@@ -0,0 +1,65 @@
+user www-data;
+worker_processes auto;
+pid /run/nginx.pid;
+error_log /var/log/nginx/error.log;
+include /etc/nginx/modules-enabled/*.conf;
+
+events {
+	worker_connections 768;
+	# multi_accept on;
+}
+
+http {
+
+	##
+	# Basic Settings
+	##
+
+	sendfile on;
+	tcp_nopush on;
+	types_hash_max_size 2048;
+	# server_tokens off;
+
+	server_names_hash_bucket_size 64;
+	# server_name_in_redirect off;
+
+	include /etc/nginx/mime.types;
+	default_type application/octet-stream;
+
+	##
+	# SSL Settings
+	##
+
+	ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # Dropping SSLv3, ref: POODLE
+	ssl_prefer_server_ciphers on;
+
+	# Rate limiting
+	limit_conn_zone $binary_remote_addr zone=addr:10m;
+
+	##
+	# Logging Settings
+	##
+
+	access_log /var/log/nginx/access.log;
+
+	##
+	# Gzip Settings
+	##
+
+	gzip on;
+
+	# gzip_vary on;
+	# gzip_proxied any;
+	# gzip_comp_level 6;
+	# gzip_buffers 16 8k;
+	# gzip_http_version 1.1;
+	gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+
+	##
+	# Virtual Host Configs
+	##
+
+	include /etc/nginx/conf.d/*.conf;
+	include /etc/nginx/sites-enabled/*;
+}
+

m-labs-intl/rfq.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=RFQ service
+After=network.target
+
+[Service]
+Type=simple
+User=rfqserver
+ExecStart=/home/rfqserver/runrfq.sh
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target

m-labs-intl/runrfq.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+export FLASK_DEBUG=0
+export FLASK_MAIL_SERVER=mail.m-labs.hk
+export FLASK_MAIL_PORT=465
+export FLASK_MAIL_USE_SSL=True
+export FLASK_MAIL_USERNAME=sysop-intl@m-labs-intl.com
+export FLASK_MAIL_PASSWORD_FILE=/home/rfqserver/mail.secret
+export FLASK_MAIL_RECIPIENT=sales@m-labs.hk
+export FLASK_MAIL_SENDER=sysop-intl@m-labs-intl.com
+
+cd /home/rfqserver/web2019/server
+source venv/bin/activate
+python3 -m flask --app rfq run --port=5000

m-labs-intl/setup.md

@@ -0,0 +1,99 @@
+# Setup m-labs-intl.com server
+
+```shell
+# Install required packages
+apt install git nginx-full python3 python3.12-venv python3-pip iptables ufw \
+  strongswan strongswan-swanctl strongswan-pki strongswan-libcharon
+snap install --classic certbot
+ln -s /snap/bin/certbot /usr/bin/certbot
+
+# Set up networks (includes GRE)
+cp 60-tunnels.yaml /etc/netplan/
+netplan apply
+
+# set up IPsec-AH connection
+cp m-labs.hk.conf /etc/swanctl/conf.d/
+echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
+sysctl -p
+cp m-labs.hk /etc/swanctl/pubkey/m-labs.hk # get pubkey from nixbld
+pki --gen --type rsa --size 4096 --outform pem > /etc/swanctl/private/m-labs-intl.com
+pki --pub --in /etc/swanctl/private/m-labs-intl.com --outform pem > /etc/swanctl/pubkey/m-labs-intl.com
+cp /etc/swanctl/pubkey/m-labs-intl.com m-labs-intl.com # add it to the nixbld
+systemctl enable strongswan --now
+systemctl restart strongswan
+
+# Set up website
+cp m-labs-intl.com /etc/nginx/sites-available/
+cp nginx.conf /etc/nginx/
+ln -s /etc/nginx/sites-available/m-labs-intl.com /etc/nginx/sites-enabled/
+systemctl enable nginx --now
+service nginx restart
+
+# Issue SSL certificate - website only, the mail is on the HK side
+certbot --nginx
+service nginx restart
+
+# Create a user for automatic website deployment from nixbld
+useradd -m zolaupd
+mkdir -p /var/www/m-labs-intl.com/html
+chown -R zolaupd /var/www/m-labs-intl.com/
+sudo -u zolaupd sh -c '
+  cd /home/zolaupd;
+  mkdir /home/zolaupd/.ssh;
+  echo -n "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIP1OJJM8g/1ffxDjN31XKEfGmrYaW03lwpyTa1UGWqVx
+  ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF6R6XK0IiuAKxVKvSABm4m9bfOlvfJcMvTpjenuXUPv" > /home/zolaupd/.ssh/authorized_keys
+  chmod 700 .ssh/
+  chmod 600 .ssh/authorized_keys
+  '
+
+# Create a user for RFQ hooks service
+useradd -m rfqserver
+cp runrfq.sh /home/rfqserver/
+cp mail.secret /home/rfqserver/
+chown rfqserver /home/rfqserver/runrfq.sh
+chmod +x /home/rfqserver/runrfq.sh
+chown rfqserver /home/rfqserver/mail.secret
+
+sudo -u rfqserver sh -c '
+  cd /home/rfqserver;
+  git clone https://git.m-labs.hk/M-Labs/web2019.git;
+  cd web2019;
+  python3 -m venv ./venv;
+  source venv/bin/activate;
+  pip install -r requirements.txt;
+'
+cp rfq.service /etc/systemd/system/
+
+# Automate port forwarding rules creation
+cp gretun.sh /root/gretun.sh
+cp gretun_down.sh /root/gretun_down.sh
+chmod u+x /root/gretun.sh
+chmod u+x /root/gretun_down.sh
+cp gretun.service /etc/systemd/system/
+
+# Enable custom services
+systemctl daemon-reload
+systemctl enable rfq.service --now
+systemctl enable gretun.service --now
+
+# Setup basic firewall rules  
+ufw default deny
+ufw default allow outgoing
+
+ufw allow from 94.190.212.123
+ufw allow from 2001:470:f891:1::/64
+ufw allow from 202.77.7.238
+ufw allow from 2001:470:18:390::2
+ufw allow "Nginx HTTP"
+ufw allow "Nginx HTTPS"
+ufw limit OpenSSH
+ufw allow 25/tcp
+ufw allow 587/tcp
+ufw limit 500,4500/udp
+
+ufw route allow in on gre1 out on eth0
+ufw allow from 10.47.3.0/31
+
+ufw show added
+ufw enable
+```

nixbld-etc-nixos/afws-module.nix

@@ -10,16 +10,34 @@ in
       default = false;
       description = "Enable AFWS server";
     };
+    logFile = mkOption {
+      type = types.str;
+      default = "/var/lib/afws/logs/afws.log";
+      description = "Path to the log file";
+    };
+    logBackupCount = mkOption {
+      type = types.int;
+      default = 30;
+      description = "Number of daily log files to keep";
+    };
   };
 
   config = mkIf config.services.afws.enable {
     systemd.services.afws = {
       description = "AFWS server";
       wantedBy = [ "multi-user.target" ];
+      preStart = ''
+        mkdir -p "$(dirname ${config.services.afws.logFile})"
+        chown afws:afws "$(dirname ${config.services.afws.logFile})"
+      '';
       serviceConfig = {
         User = "afws";
         Group = "afws";
-        ExecStart = "${afws}/bin/afws_server";
+        ExecStart = ''
+          ${afws}/bin/afws_server \
+            --log-file ${config.services.afws.logFile} \
+            --log-backup-count ${toString config.services.afws.logBackupCount}
+        '';
         ExecReload = "${pkgs.coreutils}/bin/kill -USR1 $MAINPID";
       };
       path = [ pkgs.nix pkgs.git ];

nixbld-etc-nixos/backup-module.nix

@@ -26,9 +26,10 @@ let
     ${config.services.mysql.package}/bin/mysqldump --user=root --single-transaction flarum > flarum.sql
     ${config.services.postgresql.package}/bin/pg_dump mattermost > mattermost.sql
     ${config.services.postgresql.package}/bin/pg_dump rt5 > rt.sql
+    ${config.services.postgresql.package}/bin/pg_dump gitea > gitea.sql
 
     exec 6< /etc/nixos/secret/backup-passphrase
-    ${pkgs.gnutar}/bin/tar cf - ${lib.concatMapStringsSep " " (p: "--exclude \"${p}\"") excludePaths} /etc/nixos /var/vmail /var/lib/hedgedoc /var/lib/gitea /var/lib/afws /var/lib/mattermost/data /var/www/193thz flarum.sql mattermost.sql rt.sql | \
+    ${pkgs.gnutar}/bin/tar cf - ${lib.concatMapStringsSep " " (p: "--exclude \"${p}\"") excludePaths} /etc/nixos /var/vmail /var/lib/hedgedoc /var/lib/gitea /var/lib/afws /var/lib/mattermost/data /var/www/193thz flarum.sql mattermost.sql rt.sql gitea.sql | \
         ${pkgs.bzip2}/bin/bzip2 | \
         ${pkgs.gnupg}/bin/gpg --symmetric --batch --passphrase-fd 6
   '';

nixbld-etc-nixos/configuration.nix

@@ -6,6 +6,9 @@ let
   netifLan = "enp5s0f1";
   netifWifi = "wlp6s0";
   netifSit = "henet0";
+  netifUSA = "trump0";
+  netifAlt = "alt0";
+  netifAltVlan = "vlan0";
   hydraWwwOutputs = "/var/www/hydra-outputs";
 in
 {
@@ -17,8 +20,8 @@ in
       ./afws-module.nix
       ./rt.nix
       (builtins.fetchTarball {
-        url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/41059fc548088e49e3ddb3a2b4faeb5de018e60f/nixos-mailserver-nixos.tar.gz";
+        url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/af7d3bf5daeba3fc28089b015c0dd43f06b176f2/nixos-mailserver-nixos.tar.gz";
-        sha256 = "sha256:0xvch92yi4mc1acj08461wrgrva63770aiis02vpvaa7a1xqaibv";
+        sha256 = "sha256:1j0r52ij5pw8b8wc5xz1bmm5idwkmsnwpla6smz8gypcjls860ma";
       })
     ];
 
@@ -90,6 +93,15 @@ in
       allowedTCPPorts = [ 53 80 443 2222 7402 ];
       allowedUDPPorts = [ 53 67 500 4500 ];
       trustedInterfaces = [ netifLan ];
+      logRefusedConnections = false;
+      extraCommands = ''
+        iptables -A INPUT -s 5.78.86.156 -p gre -j ACCEPT
+        iptables -A INPUT -s 5.78.86.156 -p ah -j ACCEPT
+      '';
+      extraStopCommands = ''
+        iptables -D INPUT -s 5.78.86.156 -p gre -j ACCEPT
+        iptables -D INPUT -s 5.78.86.156 -p ah -j ACCEPT
+      '';
     };
     useDHCP = false;
     interfaces."${netifWan}".useDHCP = true;  # PCCW - always wants active DHCP lease or cuts you off
@@ -176,11 +188,21 @@ in
         iptables -w -A block-insecure-devices -m mac --mac-source d8:9c:67:ab:83:e7 -j DROP  # HP printer, wifi
         iptables -w -A block-insecure-devices -m mac --mac-source f4:39:09:f7:3c:d7 -j DROP  # HP printer, ethernet
         iptables -w -A FORWARD -j block-insecure-devices
+
+        iptables -w -N pccw-sucks
+        iptables -A pccw-sucks -o ${netifSit} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1440
+        iptables -A pccw-sucks -o ${netifAlt} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1380
+        iptables -A pccw-sucks -o ${netifUSA} -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1380
+        iptables -w -A FORWARD -j pccw-sucks
       '';
       extraStopCommands = ''
         iptables -w -D FORWARD -j block-insecure-devices 2>/dev/null|| true
         iptables -w -F block-insecure-devices 2>/dev/null|| true
         iptables -w -X block-insecure-devices 2>/dev/null|| true
+
+        iptables -w -D FORWARD -j pccw-sucks 2>/dev/null|| true
+        iptables -w -F pccw-sucks 2>/dev/null|| true
+        iptables -w -X pccw-sucks 2>/dev/null|| true
       '';
     };
     sits."${netifSit}" = {
@@ -193,14 +215,37 @@ in
       addresses = [{ address = "2001:470:18:390::2"; prefixLength = 64; }];
       routes = [{ address = "::"; prefixLength = 0; }];
     };
-    greTunnels.alt0 = {
+    greTunnels."${netifUSA}" = {
+      dev = netifWan;
+      remote = "5.78.86.156";
+      local = "94.190.212.123";
+      ttl = 255;
+      type = "tun";
+    };
+    greTunnels."${netifAlt}" = {
       dev = netifWan;
       remote = "103.206.98.1";
       local = "94.190.212.123";
       ttl = 255;
       type = "tun";
     };
-    interfaces.alt0 = {
+    interfaces."${netifUSA}" = {
+      ipv4.addresses = [
+        {
+          address = "10.47.3.1";
+          prefixLength = 31;
+        }
+      ];
+      ipv4.routes = [
+        {
+          address = "0.0.0.0";
+          prefixLength = 0;
+          via = "10.47.3.0";
+          options.table = "3";
+        }
+      ];
+    };
+    interfaces."${netifAlt}" = {
       ipv4.addresses = [
         {
           address = "103.206.98.227";
@@ -217,12 +262,12 @@ in
       ];
     };
     vlans = {
-      vlan0 = {
+      "${netifAltVlan}" = {
         id = 2;
         interface = netifLan;
       };
     };
-    interfaces.vlan0 = {
+    interfaces."${netifAltVlan}" = {
       ipv4.addresses = [{
         address = "103.206.98.200";
         prefixLength = 29;
@@ -255,7 +300,7 @@ in
       id = "fqdn:igw0.hkg.as150788.net";
       pubkeys = [ "/etc/swanctl/pubkey/igw0.hkg.as150788.net" ];
     };
-    children.alt0 = {
+    children."${netifAlt}" = {
       mode = "transport";
       ah_proposals = [ "sha256-curve25519" ];
       remote_ts = [ "103.206.98.1[gre]" ];
@@ -263,6 +308,27 @@ in
       start_action = "start";
     };
   };
+  services.strongswan-swanctl.swanctl.connections.usa = {
+    local_addrs = [ "94.190.212.123" ];
+    remote_addrs = [ "5.78.86.156" ];
+    local.main = {
+      auth = "pubkey";
+      id = "fqdn:m-labs.hk";
+      pubkeys = [ "/etc/swanctl/pubkey/m-labs.hk" ];
+    };
+    remote.main = {
+      auth = "pubkey";
+      id = "fqdn:m-labs-intl.com";
+      pubkeys = [ "/etc/swanctl/pubkey/m-labs-intl.com" ];
+    };
+    children."${netifUSA}" = {
+      mode = "transport";
+      ah_proposals = [ "sha256-curve25519" ];
+      remote_ts = [ "5.78.86.156[gre]" ];
+      local_ts = [ "94.190.212.123[gre]" ];
+      start_action = "start";
+    };
+  };
 
   systemd.services.network-custom-route-backup = {
     wantedBy = [ "network.target" ];
@@ -273,6 +339,15 @@ in
       ExecStop = "${pkgs.iproute2}/bin/ip rule del table 2";
     };
   };
+  systemd.services.network-custom-route-usa = {
+    wantedBy = [ "network.target" ];
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+      ExecStart = "${pkgs.iproute2}/bin/ip rule add from 10.47.3.0/31 table 3";
+      ExecStop = "${pkgs.iproute2}/bin/ip rule del table 3";
+    };
+  };
   systemd.services.network-custom-route-alt = {
     wantedBy = [ "network.target" ];
     serviceConfig = {
@@ -375,10 +450,14 @@ in
            notify explicit;
            also-notify {
              216.218.130.2;   # ns1.he.net
+             213.239.220.50;  # ns1.qnetp.net
+             88.198.32.245;   # new qnetp
            };
            '';
         slaves = [
           "216.218.133.2" "2001:470:600::2"       # slave.dns.he.net
+          "213.239.220.50" "2a01:4f8:a0:7041::1"  # ns1.qnetp.net
+          "88.198.32.245"                         # new qnetp
         ];
       };
       "200-29.98.206.103.in-addr.arpa" = {
@@ -412,6 +491,7 @@ in
     enable = true;
     radios.${netifWifi} = {
       band = "2g";
+      channel = 7;
       countryCode = "HK";
       networks.${netifWifi} = {
         ssid = "M-Labs";
@@ -461,11 +541,6 @@ in
         "/kasli/192.168.1.70"
         "/kasli-customer/192.168.1.75"
         "/stabilizer-customer/192.168.1.76"
-
-        # Google can't do DNS geolocation correctly and slows down websites of everyone using
-        # their shitty font cloud hosting. In HK, you sometimes get IPs behind the GFW that you
-        # cannot reach.
-        "/fonts.googleapis.com/142.250.207.74"
       ];
 
       dhcp-match = "set:ipxe,175"; # https://forum.ipxe.org/showthread.php?tid=6077
@@ -491,10 +566,23 @@ in
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
-    wget vim git file lm_sensors acpi pciutils psmisc nixops_unstable_minimal
+    lm_sensors
-    irssi tmux usbutils imagemagick jq zip unzip
+    acpi
+    usbutils
+    pciutils
     iw
     nvme-cli
+    smartmontools
+    psmisc
+
+    wget
+    vim
+    git
+    file
+    imagemagick
+    jq
+
+    nixops_unstable_minimal
     borgbackup
     bind
     waypipe
@@ -524,6 +612,7 @@ in
   services.openssh.settings.X11Forwarding = true;
   services.openssh.authorizedKeysInHomedir = false;
   programs.mosh.enable = true;
+  programs.tmux.enable = true;
 
   programs.fish.enable = true;
   programs.zsh.enable = true;
@@ -550,7 +639,6 @@ in
     SUBSYSTEM=="usb", ATTRS{idVendor}=="07cf", ATTRS{idProduct}=="4204", MODE="0660", GROUP="lp"
     '';
 
-  sound.enable = true;
   services.mpd.enable = true;
   services.mpd.musicDirectory = "/tank/sb-public/FLAC";
   services.mpd.network.listenAddress = "192.168.1.1";
@@ -567,38 +655,23 @@ in
   users.extraUsers.root = {
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBNdIiLvP2hmDUFyyE0oLOIXrjrMdWWpBV9/gPR5m4AiARx4JkufIDZzmptdYQ5FhJORJ4lluPqp7dAmahoSwg4lv9Di0iNQpHMJvNGZLHYKM1H1FWCCFIEDJ8bD4SVfrDg=="
-      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCMALVC8RDTHec+PC8y1s3tcpUAODgq6DEzQdHDf/cyvDMfmCaPiMxfIdmkns5lMa03hymIfSmLUF0jFFDc7biRp7uf9AAXNsrTmplHii0l0McuOOZGlSdZM4eL817P7UwJqFMxJyFXDjkubhQiX6kp25Kfuj/zLnupRCaiDvE7ho/xay6Jrv0XLz935TPDwkc7W1asLIvsZLheB+sRz9SMOb9gtrvk5WXZl5JTOFOLu+JaRwQLHL/xdcHJTOod7tqHYfpoC5JHrEwKzbhTOwxZBQBfTQjQktKENQtBxXHTe71rUEWfEZQGg60/BC4BrRmh4qJjlJu3v4VIhC7SSHn1"
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDf6+TFaUtITiiU7b6DOiT4/C8fzCq70j9DGnNyo/+5bS7ffRezTS0AqqltHQs9/lbjUbtP+Iil7RUGF0o0X6v5y/Gt/GdV9QR+Nv1mJCF1KVOeMKm/vB0jjN+ncwHU+BA=="
     ];
     shell = pkgs.fish;
   };
   # https://github.com/NixOS/nixpkgs/issues/155357
   security.sudo.enable = true;
 
+  # M-Labs HK
   users.extraUsers.sb = {
     isNormalUser = true;
     extraGroups = ["lp" "scanner" "afws" "audio"];
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBF/YybP+fQ0J+bNqM5Vgx5vDmVqVWsgUdF1moUxghv7d73GZAFaM6IFBdrXTAa33AwnWwDPMrTgP1V6SXBkb3ciJo/lD1urJGbydbSI5Ksq9d59wvOeANvyWYrQw6+eqTQ=="
-      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCMALVC8RDTHec+PC8y1s3tcpUAODgq6DEzQdHDf/cyvDMfmCaPiMxfIdmkns5lMa03hymIfSmLUF0jFFDc7biRp7uf9AAXNsrTmplHii0l0McuOOZGlSdZM4eL817P7UwJqFMxJyFXDjkubhQiX6kp25Kfuj/zLnupRCaiDvE7ho/xay6Jrv0XLz935TPDwkc7W1asLIvsZLheB+sRz9SMOb9gtrvk5WXZl5JTOFOLu+JaRwQLHL/xdcHJTOod7tqHYfpoC5JHrEwKzbhTOwxZBQBfTQjQktKENQtBxXHTe71rUEWfEZQGg60/BC4BrRmh4qJjlJu3v4VIhC7SSHn1"
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDf6+TFaUtITiiU7b6DOiT4/C8fzCq70j9DGnNyo/+5bS7ffRezTS0AqqltHQs9/lbjUbtP+Iil7RUGF0o0X6v5y/Gt/GdV9QR+Nv1mJCF1KVOeMKm/vB0jjN+ncwHU+BA=="
     ];
     shell = pkgs.fish;
   };
-  users.extraUsers.rj = {
-    isNormalUser = true;
-    extraGroups = ["afws"];
-    openssh.authorizedKeys.keys = [
-      "ssh-rsa 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 robert-jordens-rsa4096"
-     "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCUdbne3NtIG+iy/jer76/OY+IksuS3BDLSXPnWrGejWnig9h+L6sUV0lEVI6dqp+W/b8jWqPB8nh5S0NZsCd3Ta3Go82k/SPPkh9lB2PpfquhCjLnmC/RNc3TgC4FuiS+NZHqXaTggYHubNwEK+8gynMqkMQXjOGU02U0CtUfsYdAm75AW60DySZCRNwOcU0Ndpn1UCpha7fL1k179Dd/OtArkYsIL24ohlfxFeOB3jGYQK6ATmzbvCRjwIKXcyECuajWwfnDg9FtDWrqHNzu5dJlvmxoWm8zCDgMj53uiA7TjujQN81MYrIJNeEwSr5jXQMqzA3mzlk4k3Z0qs3TP robert-jordens-64FEFBAF-4D0749B2-rsa2048"
-     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMUaB2G1jexxfkdlly3fdWslH54/s/bOuvk9AxqpjtAY robert-jordens-ed25519"
-    ];
-  };
-  users.extraUsers.nkrackow = {
-    isNormalUser = true;
-    extraGroups = ["afws"];
-    openssh.authorizedKeys.keys = [
-      "ssh-rsa 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"
-    ];
-  };
   users.extraUsers.spaqin = {
     isNormalUser = true;
     extraGroups = ["lp" "afws"];
@@ -620,6 +693,35 @@ in
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDXMbJEPn0mM2Bgt6eMAd+c0J5oPSvquZG+BxKdUf0qbeQldRaoB26NHMZnLte/fS00U/cqStLWDiwtEvH5WlbbawsMBymm65zbWMByebXhBDjdr6a1kkOFcKJvAL9qVBQ=="
     ];
   };
+
+  # M-Labs PH
+  users.extraUsers.flo = {
+    isNormalUser = true;
+    extraGroups = ["afws"];
+    openssh.authorizedKeys.keys = [
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBF4ZYNBYqJPQCKBYjMatFj5eGMyzh/X2TSraJEG6XBdg3jnJ3WcsOd7sm+vx+o9Y1EJ2kvwW/Vy9c3OYVU2U45njox//sKtt8Eyzszws3EYJqHQ6KAwXtW9ao4aamRtK3Q=="
+    ];
+  };
+
+  # QUARTIQ
+  users.extraUsers.rj = {
+    isNormalUser = true;
+    extraGroups = ["afws"];
+    openssh.authorizedKeys.keys = [
+      "ssh-rsa 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 robert-jordens-rsa4096"
+     "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCUdbne3NtIG+iy/jer76/OY+IksuS3BDLSXPnWrGejWnig9h+L6sUV0lEVI6dqp+W/b8jWqPB8nh5S0NZsCd3Ta3Go82k/SPPkh9lB2PpfquhCjLnmC/RNc3TgC4FuiS+NZHqXaTggYHubNwEK+8gynMqkMQXjOGU02U0CtUfsYdAm75AW60DySZCRNwOcU0Ndpn1UCpha7fL1k179Dd/OtArkYsIL24ohlfxFeOB3jGYQK6ATmzbvCRjwIKXcyECuajWwfnDg9FtDWrqHNzu5dJlvmxoWm8zCDgMj53uiA7TjujQN81MYrIJNeEwSr5jXQMqzA3mzlk4k3Z0qs3TP robert-jordens-64FEFBAF-4D0749B2-rsa2048"
+     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMUaB2G1jexxfkdlly3fdWslH54/s/bOuvk9AxqpjtAY robert-jordens-ed25519"
+    ];
+  };
+  users.extraUsers.eduardotenholder = {
+    isNormalUser = true;
+    extraGroups = ["afws"];
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIu6yhjCoZ62eamYrAXtFefDhplTRUIdD4tncwlkyAEH"
+    ];
+  };
+
+  # HKUST
   users.extraUsers.derppening = {
     isNormalUser = true;
     openssh.authorizedKeys.keys = [
@@ -630,7 +732,6 @@ in
   users.extraUsers.nix = {
     isNormalUser = true;
   };
-  boot.kernel.sysctl."kernel.dmesg_restrict" = true;
   services.udev.packages = [ pkgs.sane-backends ];
 
   nix.settings.max-jobs = 10;
@@ -653,14 +754,7 @@ in
       </runcommand>
       <runcommand>
         job = web:web:web-intl
-        command = [ $(jq '.buildStatus' < $HYDRA_JSON) = 0 ] && export HOME=`mktemp -d` && \
+        command = [ $(jq '.buildStatus' < $HYDRA_JSON) = 0 ] && ${pkgs.rsync}/bin/rsync -r -c $(jq -r '.outputs[0].path' < $HYDRA_JSON)/ zolaupd@10.47.3.0:/var/www/m-labs-intl.com/html/
-          mkdir $HOME/.ssh && \
-          cp /opt/hydra_id_ed25519 $HOME/.ssh/id_ed25519 && \
-          cp /opt/hydra_id_ed25519.pub $HOME/.ssh/id_ed25519.pub && \
-          echo "5.78.86.156 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEMbV69aqkHdQ1T5lMuALyHjNowU1rottZtEV4OhKQ6Y" > $HOME/.ssh/known_hosts && \
-          chmod 600 $HOME/.ssh/id_ed25519 && \
-          ${pkgs.rsync}/bin/rsync -r -c $(jq -r '.outputs[0].path' < $HYDRA_JSON)/ zolaupd@5.78.86.156:/var/www/m-labs-intl.com/html/
-          rm -rf $HOME
       </runcommand>
       <runcommand>
         job = web:web:nmigen-docs
@@ -773,6 +867,10 @@ in
   services.gitea = {
     enable = true;
     appName = "M-Labs Git";
+    database = {
+      type = "postgres";
+      socket = "/run/postgresql";
+    };
     mailerPasswordFile = "/etc/nixos/secret/mailerpassword";
     settings = {
       server = {
@@ -820,32 +918,45 @@ in
     siteUrl = "https://chat.m-labs.hk/";
     mutableConfig = true;
   };
-  services.postgresql.package = pkgs.postgresql_12;
   services.matterbridge = {
     enable = true;
     configPath = "/etc/nixos/secret/matterbridge.toml";
   };
 
+  services.postgresql = {
+    package = pkgs.postgresql_15;
+    settings.listen_addresses = pkgs.lib.mkForce "";
+    identMap =
+      ''
+      rt rt rt_user
+      '';
+  };
+
   nixpkgs.config.packageOverrides = super: let self = super.pkgs; in {
     nix = super.nix.overrideAttrs(oa: {
       patches = oa.patches or [] ++ [ ./nix-networked-derivations.patch ];
     });
-    hydra_unstable = super.hydra_unstable.overrideAttrs(oa: {
+    hydra = super.hydra.overrideAttrs(oa: {
       patches = oa.patches or [] ++ [
         ./hydra-conda.patch
         ./hydra-msys2.patch
-        ./hydra-restrictdist.patch
       ];
       hydraPath = oa.hydraPath + ":" + super.lib.makeBinPath [ super.jq ];
       doCheck = false;  # FIXME: ldap tests fail on hydra rebuild, seems unrelated to patches above.
     });
+    mattermost = super.mattermost.overrideAttrs(oa: {
+      postInstall = oa.postInstall +
+        ''
+        sed -i.bak "s/FREE EDITION//g" $out/client/*.js $out/client/*.js.map
+        '';
+    });
     matterbridge = super.matterbridge.overrideAttrs(oa: {
       patches = oa.patches or [] ++ [ ./matterbridge-disable-github.patch ];
     });
   };
 
   security.acme.acceptTerms = true;
-  security.acme.defaults.email = "sb" + "@m-labs.hk";
+  security.acme.defaults.email = "sb@m-labs.hk";
 
   # https://github.com/NixOS/nixpkgs/issues/106862
   systemd.services."acme-fixperms".wants = [ "bind.service" "dnsmasq.service" ];
@@ -875,7 +986,7 @@ in
             expires 60d;
           '';
         };
-        locations."/nuc-netboot/".alias = "${import ./defenestrate}/";
+        locations."/nuc-netboot/".alias = "${import ./defenestrate { prioNixbld = true; } }/";
 
         # legacy URLs, redirect to avoid breaking people's bookmarks
         locations."/gateware.html".extraConfig = ''
@@ -933,9 +1044,17 @@ in
       };
     in {
       "m-labs.hk" = mainWebsite;
-      "www.m-labs.hk" = mainWebsite;
+      "www.m-labs.hk" = {
+        addSSL = true;
+        enableACME = true;
+        globalRedirect = "m-labs.hk";
+      };
       "m-labs.ph" = mainWebsite;
-      "www.m-labs.ph" = mainWebsite;
+      "www.m-labs.ph" = {
+        addSSL = true;
+        enableACME = true;
+        globalRedirect = "m-labs.ph";
+      };
       "nixbld.m-labs.hk" = {
         forceSSL = true;
         enableACME = true;
@@ -1036,15 +1155,6 @@ in
       "forum.m-labs.hk" = {
         forceSSL = true;
         enableACME = true;
-        root = "/var/www/flarum/public";
-        locations."~ \.php$".extraConfig = ''
-          fastcgi_pass unix:${config.services.phpfpm.pools.flarum.socket};
-          fastcgi_index index.php;
-        '';
-        extraConfig = ''
-          index index.php;
-          include /var/www/flarum/.nginx.conf;
-        '';
       };
       "perso.m-labs.hk" = {
         addSSL = true;
@@ -1091,7 +1201,7 @@ in
       "www.193thz.com" = {
         addSSL = true;
         enableACME = true;
-        root = "/var/www/193thz";
+        globalRedirect = "193thz.com";
       };
       "nmigen.net" = {
         addSSL = true;
@@ -1101,7 +1211,7 @@ in
       "www.nmigen.net" = {
         addSSL = true;
         enableACME = true;
-        root = "${hydraWwwOutputs}/nmigen-docs";
+        globalRedirect = "nmigen.net";
       };
     };
   };
@@ -1116,23 +1226,17 @@ in
       };
     };
   };
+
   services.mysql = {
     enable = true;
-    package = pkgs.mariadb;
+    package = pkgs.lib.mkForce pkgs.mariadb;
+    ensureDatabases = pkgs.lib.mkForce [];
+    ensureUsers = pkgs.lib.mkForce [];
   };
-  services.phpfpm.pools.flarum = {
+  services.flarum = {
-    user = "nobody";
+    enable = true;
-    settings = {
+    package = pkgs.callPackage ./flarum {};
-      "listen.owner" = "nginx";
+    domain = "forum.m-labs.hk";
-      "listen.group" = "nginx";
-      "listen.mode" = "0600";
-      "pm" = "dynamic";
-      "pm.max_children" = 5;
-      "pm.start_servers" = 2;
-      "pm.min_spare_servers" = 1;
-      "pm.max_spare_servers" = 3;
-      "pm.max_requests" = 500;
-    };
   };
 
   services.rt = {
@@ -1157,7 +1261,18 @@ in
       Restart = "on-failure";
       User = "rt";
       Group = "rt";
-      ExecStart = "${pkgs.bash}/bin/bash -c 'PATH=${pkgs.rt}/bin HOME=/tmp ${pkgs.fetchmail}/bin/fetchmail -f /etc/nixos/secret/rt_fetchmailrc'";
+      ExecStart = "${pkgs.bash}/bin/bash -c 'PATH=${pkgs.rt}/bin HOME=/tmp ${pkgs.fetchmail}/bin/fetchmail --pidfile /tmp/.fetchmail.pid -f /etc/nixos/secret/rt_fetchmailrc'";
+    };
+  };
+  systemd.services.rt-fetchmail-intl = {
+    description = "Fetchmail for RT (intl)";
+    wantedBy = [ "multi-user.target" ];
+    after = [ "dovecot2.service" ];
+    serviceConfig = {
+      Restart = "on-failure";
+      User = "rt";
+      Group = "rt";
+      ExecStart = "${pkgs.bash}/bin/bash -c 'PATH=${pkgs.rt}/bin HOME=/tmp ${pkgs.fetchmail}/bin/fetchmail --pidfile /tmp/.fetchmail-intl.pid -f /etc/nixos/secret/rt_fetchmailrc_intl'";
     };
   };
 
@@ -1165,11 +1280,28 @@ in
     enable = true;
     localDnsResolver = false;  # conflicts with dnsmasq
     fqdn = "mail.m-labs.hk";
-    domains = [ "m-labs.hk" "m-labs.ph" "193thz.com" "malloctech.fr" ];
+    domains = [ "m-labs.hk" "m-labs.ph" "m-labs-intl.com" "193thz.com" "malloctech.fr" ];
     enablePop3 = true;
     enablePop3Ssl = true;
     certificateScheme = "acme-nginx";
   } // (import /etc/nixos/secret/email_settings.nix);
+  services.postfix = {
+    mapFiles."sender_transport" = builtins.toFile "sender_transport" ''
+        @m-labs-intl.com intltunnel:
+    '';
+    config = {
+      sender_dependent_default_transport_maps = "hash:/var/lib/postfix/conf/sender_transport";
+    };
+    masterConfig."intltunnel" = {
+      type = "unix";
+      command = "smtp";
+      args = [
+        "-o" "inet_interfaces=10.47.3.1"
+        "-o" "smtp_helo_name=mail.m-labs-intl.com"
+        "-o" "inet_protocols=ipv4"
+       ];
+    };
+  };
   services.roundcube = {
     enable = true;
     hostName = "mail.m-labs.hk";
@@ -1182,7 +1314,8 @@ in
 
   services.nextcloud = {
     enable = true;
-    package = pkgs.nextcloud29;
+    package = pkgs.nextcloud30;
+    extraApps = { inherit (config.services.nextcloud.package.packages.apps) forms; };
     hostName = "files.m-labs.hk";
     https = true;
     maxUploadSize = "2G";

nixbld-etc-nixos/flarum/default.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  php,
+  fetchFromGitHub,
+  fetchpatch,
+}:
+
+php.buildComposerProject (finalAttrs: {
+  pname = "flarum";
+  version = "1.8.1";
+
+  src = fetchFromGitHub {
+    owner = "flarum";
+    repo = "flarum";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-kigUZpiHTM24XSz33VQYdeulG1YI5s/M02V7xue72VM=";
+  };
+
+  patches = [
+    # Add useful extensions from https://github.com/FriendsOfFlarum
+    # Extensions included: fof/upload, fof/polls, fof/subscribed
+    ./fof-extensions.patch
+  ];
+
+  composerLock = ./composer.lock;
+  composerStrictValidation = false;
+  vendorHash = "sha256-GLE5ZtzZmQ8YbitV6LG744QHoGxlj5TfC5wP2a3eFpU=";
+
+  meta = with lib; {
+    changelog = "https://github.com/flarum/framework/blob/main/CHANGELOG.md";
+    description = "Flarum is a delightfully simple discussion platform for your website";
+    homepage = "https://github.com/flarum/flarum";
+    license = lib.licenses.mit;
+    maintainers = with maintainers; [
+      fsagbuya
+      jasonodoom
+    ];
+  };
+})

nixbld-etc-nixos/flarum/fof-extensions.patch

@@ -0,0 +1,16 @@
+diff --git a/composer.json b/composer.json
+index c63b5f8..5ad1186 100644
+--- a/composer.json
++++ b/composer.json
+@@ -37,7 +37,10 @@
+         "flarum/sticky": "*",
+         "flarum/subscriptions": "*",
+         "flarum/suspend": "*",
+-        "flarum/tags": "*"
++        "flarum/tags": "*",
++        "fof/polls": "*",
++        "fof/subscribed": "*",
++        "fof/upload": "*"
+     },
+     "config": {
+         "preferred-install": "dist",

nixbld-etc-nixos/gitea-home.tmpl

@@ -15,7 +15,7 @@
 	<div class="ui stackable middle very relaxed page grid">
 		<div class="sixteen wide center column">
 			<p class="large">
-				Welcome! This Gitea instance is here to support projects related to <a href="https://m-labs.hk">M-Labs</a>. You may want to browse the <a href="https://git.m-labs.hk/M-Labs/">M-Labs organization</a> where many projects are located. If you would like an account (we give them to anyone who wants to contribute on projects related to Sinara, ARTIQ, nMigen, etc.), simply write a short email to sb@m-***.hk stating the username you would like to have.
+				Welcome! This Gitea instance is here to support projects related to <a href="https://m-labs.hk">M-Labs</a>. You may want to browse the <a href="https://git.m-labs.hk/M-Labs/">M-Labs organization</a> where many projects are located. If you would like an account (we give them to anyone who wants to contribute on projects related to Sinara, ARTIQ, nMigen, etc.), simply write a short email to sb@m-labs.hk stating the username you would like to have.
 			</p>
 		</div>
 	</div>

nixbld-etc-nixos/gitea-signin.tmpl

@@ -4,7 +4,7 @@
 	<div class="ui middle very relaxed page grid">
 		<div class="ui container column fluid">
 			{{template "user/auth/signin_inner" .}}
-			To get an account (also available to external contributors), simply write to sb@m-***s.hk.
+			To get an account (also available to external contributors), simply write to sb@m-labs.hk.
 		</div>
 	</div>
 </div>

nixbld-etc-nixos/hydra-restrictdist.patch

@@ -1,32 +0,0 @@
-diff --git src/lib/Hydra/Controller/Root.pm src/lib/Hydra/Controller/Root.pm
-index a9b0d558..71869ba0 100644
---- a/src/lib/Hydra/Controller/Root.pm
-+++ b/src/lib/Hydra/Controller/Root.pm
-@@ -19,6 +19,11 @@ use Net::Prometheus;
- # Put this controller at top-level.
- __PACKAGE__->config->{namespace} = '';
- 
-+sub isRedistRestricted {
-+  my ($path) = @_;
-+
-+  return index($path, "-RESTRICTDIST-") >= 0;
-+}
- 
- sub noLoginNeeded {
-   my ($c) = @_;
-@@ -319,6 +324,7 @@ sub nar :Local :Args(1) {
-         $path = $Nix::Config::storeDir . "/$path";
- 
-         gone($c, "Path " . $path . " is no longer available.") unless isValidPath($path);
-+        notFound($c, "Redistribution restricted") if isRedistRestricted($path);
- 
-         $c->stash->{current_view} = 'NixNAR';
-         $c->stash->{storePath} = $path;
-@@ -368,6 +374,7 @@ sub narinfo :LocalRegex('^([a-z0-9]+).narinfo$') :Args(0) {
-             setCacheHeaders($c, 60 * 60);
-             return;
-         }
-+        notFound($c, "Redistribution restricted") if isRedistRestricted($path);
- 
-         $c->stash->{storePath} = $path;
-         $c->forward('Hydra::View::NARInfo');

nixbld-etc-nixos/named/m-labs-intl.com

@@ -1,7 +1,7 @@
 $TTL 7200
 
 @						SOA	ns.m-labs-intl.com. sb.m-labs.hk. (
-							2024060601
+							2024101401
 							7200
 							3600
 							86400
@@ -10,11 +10,21 @@ $TTL 7200
 
 						NS		ns.m-labs-intl.com.
 						NS		ns1.he.net.
+						NS		ns1.qnetp.net.
 
 						A		5.78.86.156
 						AAAA	2a01:4ff:1f0:83de::1
+						MX		10 mail.m-labs-intl.com.
+						TXT		"v=spf1 mx -all"
+						TXT		"google-site-verification=BlQd5_5wWW7calKC7bZA0GdoxR8-zj4gwJEg9sGJ3l8"
+						CAA		0 issue "letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/1768317117"
 
 ns						A		94.190.212.123
 ns						AAAA	2001:470:18:390::2
 
+mail					A		5.78.86.156
+mail._domainkey			IN	TXT	"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJVPuhSGXghO7ib8Em/Se3jfCCIJK5g4zn5pGZ3/e0I0f+zGHMuvwpjkAKf6eSmo/AAXEaco28pDi3qE5xfV512AJsORCfPoPFyNhLsj/qtri6hc5KVSWW0Ja3MSFBINDCaX78c7PXPY+3jJJGpwSBDLjdxj9AQwtfiCVlH4qE/QIDAQAB"
+_dmarc					TXT		"v=DMARC1; p=none"
+
 www						CNAME	@
+hooks					CNAME	@

nixbld-etc-nixos/named/m-labs.hk

@@ -1,7 +1,7 @@
 $TTL 7200
 
 @						SOA	NS.XN--WBTZ5WPQAJ35CFXC.XN--J6W193G. sb.m-labs.hk. (
-							2024060201
+							2024080501
 							7200
 							3600
 							86400
@@ -43,17 +43,7 @@ files					CNAME	@
 docs					CNAME	@
 
 rpi-1					AAAA	2001:470:f891:1:dea6:32ff:fe8a:6a93
-rpi-2					AAAA	2001:470:f891:1:ba27:ebff:fef0:e9e6
 rpi-4					AAAA	2001:470:f891:1:dea6:32ff:fe14:fce9
-chiron					AAAA	2001:470:f891:1:7f02:9ebf:bee9:3dc7
-old-nixbld				AAAA	2001:470:f891:1:a07b:f49a:a4ef:aad9
-zeus					AAAA	2001:470:f891:1:4fd7:e70a:68bf:e9c1
-franz					AAAA	2001:470:f891:1:1b65:a743:2335:f5c6
-hera					AAAA	2001:470:f891:1:8b5e:404d:ef4e:9d92
-hestia					AAAA	2001:470:f891:1:881c:f409:a090:8401
-vulcan					AAAA	2001:470:f891:1:105d:3f15:bd53:c5ac
-
-aux						A		42.200.147.171
 
 router.alt				A		103.206.98.200
 stewardship1.alt		A		103.206.98.201

nixbld-etc-nixos/nix-networked-derivations.patch

@@ -1,8 +1,8 @@
-diff --git a/src/libstore/build/local-derivation-goal.cc b/src/libstore/build/local-derivation-goal.cc
+diff --git a/src/libstore/unix/build/local-derivation-goal.cc b/src/libstore/unix/build/local-derivation-goal.cc
-index 64b55ca6a..9b4e52b8e 100644
+index 2a09e3dd4..7dc03855f 100644
---- a/src/libstore/build/local-derivation-goal.cc
+--- a/src/libstore/unix/build/local-derivation-goal.cc
-+++ b/src/libstore/build/local-derivation-goal.cc
++++ b/src/libstore/unix/build/local-derivation-goal.cc
-@@ -180,6 +180,8 @@ void LocalDerivationGoal::tryLocalBuild()
+@@ -197,6 +197,8 @@ Goal::Co LocalDerivationGoal::tryLocalBuild()
  
      assert(derivationType);
  
@@ -11,7 +11,7 @@ index 64b55ca6a..9b4e52b8e 100644
      /* Are we doing a chroot build? */
      {
          auto noChroot = parsedDrv->getBoolAttr("__noChroot");
-@@ -197,7 +199,7 @@ void LocalDerivationGoal::tryLocalBuild()
+@@ -214,7 +216,7 @@ Goal::Co LocalDerivationGoal::tryLocalBuild()
          else if (settings.sandboxMode == smDisabled)
              useChroot = false;
          else if (settings.sandboxMode == smRelaxed)
@@ -20,7 +20,7 @@ index 64b55ca6a..9b4e52b8e 100644
      }
  
      auto & localStore = getLocalStore();
-@@ -691,7 +693,7 @@ void LocalDerivationGoal::startBuilder()
+@@ -737,7 +739,7 @@ void LocalDerivationGoal::startBuilder()
                  "nogroup:x:65534:\n", sandboxGid()));
  
          /* Create /etc/hosts with localhost entry. */
@@ -29,7 +29,7 @@ index 64b55ca6a..9b4e52b8e 100644
              writeFile(chrootRootDir + "/etc/hosts", "127.0.0.1 localhost\n::1 localhost\n");
  
          /* Make the closure of the inputs available in the chroot,
-@@ -895,7 +897,7 @@ void LocalDerivationGoal::startBuilder()
+@@ -938,7 +940,7 @@ void LocalDerivationGoal::startBuilder()
             us.
          */
  
@@ -38,16 +38,16 @@ index 64b55ca6a..9b4e52b8e 100644
              privateNetwork = true;
  
          userNamespaceSync.create();
-@@ -1134,7 +1136,7 @@ void LocalDerivationGoal::initEnv()
+@@ -1177,7 +1179,7 @@ void LocalDerivationGoal::initEnv()
         to the builder is generally impure, but the output of
         fixed-output derivations is by definition pure (since we
         already know the cryptographic hash of the output). */
 -    if (!derivationType->isSandboxed()) {
 +    if (networked || !derivationType->isSandboxed()) {
-         for (auto & i : parsedDrv->getStringsAttr("impureEnvVars").value_or(Strings()))
+         auto & impureEnv = settings.impureEnv.get();
-             env[i] = getEnv(i).value_or("");
+         if (!impureEnv.empty())
-     }
+             experimentalFeatureSettings.require(Xp::ConfigurableImpureEnv);
-@@ -1799,7 +1801,7 @@ void LocalDerivationGoal::runChild()
+@@ -1851,7 +1853,7 @@ void LocalDerivationGoal::runChild()
              /* Fixed-output derivations typically need to access the
                 network, so give them access to /etc/resolv.conf and so
                 on. */
@@ -56,21 +56,21 @@ index 64b55ca6a..9b4e52b8e 100644
                  // Only use nss functions to resolve hosts and
                  // services. Don’t use it for anything else that may
                  // be configured for this system. This limits the
-@@ -2050,7 +2052,7 @@ void LocalDerivationGoal::runChild()
+@@ -2083,7 +2085,7 @@ void LocalDerivationGoal::runChild()
-                     #include "sandbox-defaults.sb"
+                 #include "sandbox-defaults.sb"
+                 ;
+ 
+-            if (!derivationType->isSandboxed())
++            if (networked || !derivationType->isSandboxed())
+                 sandboxProfile +=
+                     #include "sandbox-network.sb"
                      ;
- 
+diff --git a/src/libstore/unix/build/local-derivation-goal.hh b/src/libstore/unix/build/local-derivation-goal.hh
--                if (!derivationType->isSandboxed())
+index bf25cf2a6..28f8c1e95 100644
-+                if (networked || !derivationType->isSandboxed())
+--- a/src/libstore/unix/build/local-derivation-goal.hh
-                     sandboxProfile +=
++++ b/src/libstore/unix/build/local-derivation-goal.hh
-                         #include "sandbox-network.sb"
+@@ -83,6 +83,8 @@ struct LocalDerivationGoal : public DerivationGoal
-                         ;
+      */
-diff --git a/src/libstore/build/local-derivation-goal.hh b/src/libstore/build/local-derivation-goal.hh
-index 0a05081c7..4c251718c 100644
---- a/src/libstore/build/local-derivation-goal.hh
-+++ b/src/libstore/build/local-derivation-goal.hh
-@@ -66,6 +66,8 @@ struct LocalDerivationGoal : public DerivationGoal
- 
      Path chrootRootDir;
  
 +    bool networked;

nixbld-etc-nixos/rt.nix

@@ -19,14 +19,9 @@ let
       Set($Timezone, '${cfg.timeZone}');
 
       Set($DatabaseType, 'Pg');
-      Set($DatabaseHost, 'localhost');
+      Set($DatabaseHost, '/run/postgresql');
-      Set($DatabaseUser, 'rt_user');
+      Set($DatabaseUser, 'rt');
       Set($DatabaseName, 'rt5');
-      # Read database password from file
-      open my $fh, '<', '${cfg.dbPasswordFile}' or die 'Can\'t open file $!';
-      my $dbpw = do { local $/; <$fh> };
-      $dbpw =~ s/^\s+|\s+$//g;
-      Set($DatabasePassword, $dbpw);
 
       # System (Logging)
       Set($LogToSTDERR, undef); # Don't log twice
@@ -35,7 +30,7 @@ let
       Set($OwnerEmail, '${cfg.ownerEmail}');
       Set($MaxAttachmentSize, 15360000);
       Set($CheckMoreMSMailHeaders, 1);
-      Set($RTAddressRegexp, '^(helpdesk|sales)\@(m-labs.hk)$');
+      Set($RTAddressRegexp, '^(helpdesk)\@(m-labs.hk|m-labs-intl.com)$');
       Set($LoopsToRTOwner, 0);
 
       # System (Outgoing mail)
@@ -154,13 +149,6 @@ in {
       type = str;
     };
 
-    dbPasswordFile = mkOption {
-      description = "File containing the database password";
-      type = str;
-      default = "/etc/nixos/secret/rtpasswd";
-      internal = true;
-    };
-
     domain = mkOption {
       description = "Which domain RT is running on";
       type = str;
@@ -245,8 +233,6 @@ in {
 
           PrivateNetwork = false;
           MemoryDenyWriteExecute = false;
-
-          ReadOnlyPaths = [ cfg.dbPasswordFile ];
         };
 
         environment = {

nixops/common-users.nix

@@ -4,7 +4,7 @@
   root = {
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBF/YybP+fQ0J+bNqM5Vgx5vDmVqVWsgUdF1moUxghv7d73GZAFaM6IFBdrXTAa33AwnWwDPMrTgP1V6SXBkb3ciJo/lD1urJGbydbSI5Ksq9d59wvOeANvyWYrQw6+eqTQ=="
-      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCMALVC8RDTHec+PC8y1s3tcpUAODgq6DEzQdHDf/cyvDMfmCaPiMxfIdmkns5lMa03hymIfSmLUF0jFFDc7biRp7uf9AAXNsrTmplHii0l0McuOOZGlSdZM4eL817P7UwJqFMxJyFXDjkubhQiX6kp25Kfuj/zLnupRCaiDvE7ho/xay6Jrv0XLz935TPDwkc7W1asLIvsZLheB+sRz9SMOb9gtrvk5WXZl5JTOFOLu+JaRwQLHL/xdcHJTOod7tqHYfpoC5JHrEwKzbhTOwxZBQBfTQjQktKENQtBxXHTe71rUEWfEZQGg60/BC4BrRmh4qJjlJu3v4VIhC7SSHn1"
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDf6+TFaUtITiiU7b6DOiT4/C8fzCq70j9DGnNyo/+5bS7ffRezTS0AqqltHQs9/lbjUbtP+Iil7RUGF0o0X6v5y/Gt/GdV9QR+Nv1mJCF1KVOeMKm/vB0jjN+ncwHU+BA=="
     ];
   };
   sb = {
@@ -12,7 +12,7 @@
     extraGroups = ["wheel" "plugdev" "dialout" "libvirtd"];
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBF/YybP+fQ0J+bNqM5Vgx5vDmVqVWsgUdF1moUxghv7d73GZAFaM6IFBdrXTAa33AwnWwDPMrTgP1V6SXBkb3ciJo/lD1urJGbydbSI5Ksq9d59wvOeANvyWYrQw6+eqTQ=="
-      "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCMALVC8RDTHec+PC8y1s3tcpUAODgq6DEzQdHDf/cyvDMfmCaPiMxfIdmkns5lMa03hymIfSmLUF0jFFDc7biRp7uf9AAXNsrTmplHii0l0McuOOZGlSdZM4eL817P7UwJqFMxJyFXDjkubhQiX6kp25Kfuj/zLnupRCaiDvE7ho/xay6Jrv0XLz935TPDwkc7W1asLIvsZLheB+sRz9SMOb9gtrvk5WXZl5JTOFOLu+JaRwQLHL/xdcHJTOod7tqHYfpoC5JHrEwKzbhTOwxZBQBfTQjQktKENQtBxXHTe71rUEWfEZQGg60/BC4BrRmh4qJjlJu3v4VIhC7SSHn1"
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDf6+TFaUtITiiU7b6DOiT4/C8fzCq70j9DGnNyo/+5bS7ffRezTS0AqqltHQs9/lbjUbtP+Iil7RUGF0o0X6v5y/Gt/GdV9QR+Nv1mJCF1KVOeMKm/vB0jjN+ncwHU+BA=="
     ];
   };
   rj = {
@@ -57,7 +57,7 @@
   };
   esavkin = {
     isNormalUser = true;
-    extraGroups = ["plugdev" "dialout" "libvirtd"];
+    extraGroups = ["plugdev" "dialout" "libvirtd" "wireshark"];
     openssh.authorizedKeys.keys = [
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBLDJI4GFLBmScbeR8Jh4Gi8A/2nuGlYtFTJVT+Es/bzdiPRk8DLG62T0hyRR+8LfHjbrCsDuYFNztT8hHGXd7h3xp3y2X7ArkJo8xUK5QxGd5D2Zn4ANfZTTVkoGlEHbFA=="
     ];
@@ -111,13 +111,6 @@
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBK1tUg7TtceARRnGI80Ai5kNFolFfZ++LH9v1UoRCiJdxeQWPdNYO0Gj7+ejJvgZXwvN4yHGgcZHraEml4Mj/dKrEMFygfuYLDRmXtPFwX6TNMrWlxMhPzuNY+yCaxlqYg=="
     ];
   };
-  architeuthis = {
-    isNormalUser = true;
-    extraGroups = ["plugdev" "dialout"];
-    openssh.authorizedKeys.keys = [
-      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBMhLPEGWDUauFHjiVduBMJrIMKT8SvtTDHXDVudUZrhewQy08h4NEEyWmczP4WMeyugI/L/a+J+Vc8mImgqSoHw52823LVcnR9EKnJoqnwAHU/J+41vIWAN2LAryd4p9yg=="
-    ];
-  };
   abdul = {
     isNormalUser = true;
     extraGroups = ["plugdev" "dialout"];
@@ -125,21 +118,6 @@
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBONzKWn65erPM2xBCe9Dcw8dHRQCJmvzwhX72iHE1xVlAr7UcB1PMOjEB25MFfV/kCIFS5UB5wuoPvq+/oZ3EXiFjmQtsb669KN6MkZNyDqP5Y2W8gR1wVa/ZLfH4HynHg=="
     ];
   };
-  lyken = {
-    isNormalUser = true;
-    extraGroups = ["plugdev" "dialout"];
-    openssh.authorizedKeys.keys = [
-      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBJ88QJlh/+F/xwXQlPEmQVmtycb8FfabxCdeiP3gTHUCV8y4PLh3ubY+EsY+Xhy/GlOAPdX7KSpiII3dndYfwZWzorXVoPBhhPKEIumFBOinWfp5kRVzWOD61gCwsYoVBg=="
-    ];
-  };
-  wanglm = {
-    isNormalUser = true;
-    extraGroups = ["plugdev" "dialout"];
-    openssh.authorizedKeys.keys = [
-      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBNhRITe/qj/zvW2dZbXNmyJxLHPgJAynlWh6NCGGarJbkhj8c1UFLUo2Hv7xqGil4PZnPGru4WwHX0RhWS/I39UPzfVvuntRGenNqqpo2T9Ble80QCawpZ2c07w7FkVq7g=="
-    ];
-  };
-
 
   dpn = {
     isNormalUser = true;

nixops/desktop.nix

@@ -12,6 +12,7 @@ in
 
   boot.loader.systemd-boot.memtest86.enable = true;
   boot.loader.grub.memtest86.enable = true;
+  boot.kernel.sysctl."kernel.dmesg_restrict" = false;
 
   imports =
     [
@@ -64,8 +65,8 @@ in
     xournal
     xsane
     gtkwave unzip zip gnupg
-    gnome3.gnome-tweaks
+    gnome-tweaks
-    gnome3.ghex
+    ghex
     jq sublime3 rink qemu_kvm
     tmux screen gdb minicom picocom
     artiq.packages.x86_64-linux.openocd-bscanspi
@@ -129,17 +130,9 @@ in
     nssmdns4 = true;
   };
 
-  # Enable sound.
+  hardware.graphics.enable32Bit = true;
-  sound.enable = true;
-  hardware.pulseaudio = {
-    enable = true;
-    package = pkgs.pulseaudioFull;
-  };
 
-  hardware.opengl.driSupport32Bit = true;
+  fonts.packages = [ pkgs.noto-fonts pkgs.noto-fonts-cjk-sans pkgs.noto-fonts-emoji pkgs.noto-fonts-extra pkgs.emacs-all-the-icons-fonts ];
-  hardware.pulseaudio.support32Bit = true;
-
-  fonts.packages = [ pkgs.noto-fonts pkgs.noto-fonts-cjk pkgs.noto-fonts-emoji pkgs.noto-fonts-extra pkgs.emacs-all-the-icons-fonts ];
 
   # Enable the X11 windowing system.
   services.xserver.enable = true;

nixops/extra-udev.nix

@@ -23,4 +23,5 @@ SUBSYSTEM=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="4121", MODE="0660"
 SUBSYSTEM=="usb", ATTRS{idVendor}=="1209", ATTRS{idProduct}=="4121", MODE="0660", GROUP="plugdev"
 # DSLogic
 SUBSYSTEM=="usb", ATTRS{idVendor}=="2a0e", ATTRS{idProduct}=="0020", MODE="0660", GROUP="plugdev"
+SUBSYSTEM=="usb", ATTRS{idVendor}=="2a0e", ATTRS{idProduct}=="0034", MODE="0660", GROUP="plugdev"
 ''

nixops/juno-hardware-configuration.nix

@@ -1,48 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/3dca09c8-f725-416a-9f89-b69297698ca9";
-      fsType = "ext4";
-    };
-
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/4E51-B390";
-      fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp3s0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-  hardware.cpu.intel.updateMicrocode = true;
-
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  nixpkgs.config.nvidia.acceptLicense = true;
-  hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.legacy_470;
-  services.xserver.videoDrivers = [ "nvidia" ];
-  services.xserver.displayManager.gdm.wayland = false;
-
-  system.stateVersion = "23.05";
-}

nixops/nixops.nix

@@ -13,7 +13,6 @@
   chiron = import ./desktop.nix { host = "chiron"; };
   old-nixbld = import ./desktop.nix { host = "old-nixbld"; };
   franz = import ./desktop.nix { host = "franz"; };
-  juno = import ./desktop.nix { host = "juno"; };
   demeter = import ./desktop.nix { host = "demeter"; };
   vulcan = import ./desktop.nix { host = "vulcan"; };
   rc = import ./desktop.nix { host = "rc"; };

nixops/rpi.nix

@@ -15,6 +15,7 @@ in
   boot.loader.generic-extlinux-compatible.enable = true;
   boot.kernelParams = if rpi4 then ["cma=64M"] else []; # work around https://github.com/raspberrypi/linux/issues/3208
   boot.initrd.includeDefaultModules = false;
+  boot.kernel.sysctl."kernel.dmesg_restrict" = false;
 
   fileSystems = {
     "/" = {

remote-ipsec.txt

@@ -0,0 +1,49 @@
+connections {
+  bypass-ipsec {
+    remote_addrs = 127.0.0.1
+    children {
+      bypass-isakmp-v4 {
+        local_ts = 0.0.0.0/0[udp/isakmp]
+        remote_ts = 0.0.0.0/0[udp/isakmp]
+        mode = pass
+        start_action = trap
+      }
+      bypass-isakmp-v6 {
+        local_ts = ::/0[udp/isakmp]
+        remote_ts = ::/0[udp/isakmp]
+        mode = pass
+        start_action = trap
+      }
+    }
+  }
+  m_labs {
+    version = 2
+    encap = no
+    mobike = no
+    send_certreq = no
+    proposals = aes128gcm128-sha256-prfsha256-curve25519,aes128gcm128-sha256-prfsha256-ecp256
+    local_addrs = 103.206.98.1
+    remote_addrs = 94.190.212.123
+    local {
+      auth = pubkey
+      id = fqdn:igw0.hkg.as150788.net
+      pubkeys = igw0.hkg.as150788.net
+    }
+    remote {
+      auth = pubkey
+      id = fqdn:m-labs.hk
+      pubkeys = m-labs.hk
+    }
+    children {
+      con1 {
+        mode = transport
+        ah_proposals = sha256-curve25519,sha256-ecp256
+        esp_proposals =
+        local_ts = 103.206.98.1[gre]
+        remote_ts = 94.190.212.123[gre]
+        start_action = none
+        close_action = none
+      }
+    }
+  }
+}