From f5681326f3c01e52cbf6cbc625224c1a95f8fe17 Mon Sep 17 00:00:00 2001
From: seth <getchoo@tuta.io>
Date: Tue, 21 Mar 2023 22:57:19 -0400
Subject: add config for turret (openwrt router)

---
 .gitattributes                                  |   1 +
 flake.lock                                      |  21 +++
 flake.nix                                       |   7 +
 hosts/turret/default.nix                        |  38 +++++
 hosts/turret/files/etc/config/dhcp              |  55 +++++++
 hosts/turret/files/etc/config/dropbear          |   5 +
 hosts/turret/files/etc/config/firewall          | 189 ++++++++++++++++++++++++
 hosts/turret/files/etc/config/https-dns-proxy   |  18 +++
 hosts/turret/files/etc/config/luci              |  41 +++++
 hosts/turret/files/etc/config/network           |  29 ++++
 hosts/turret/files/etc/config/rpcd              |  10 ++
 hosts/turret/files/etc/config/system            |  16 ++
 hosts/turret/files/etc/config/ucitrack          |  56 +++++++
 hosts/turret/files/etc/config/uhttpd            |  31 ++++
 hosts/turret/files/etc/config/wireless          | Bin 0 -> 827 bytes
 hosts/turret/files/etc/dropbear/authorized_keys |   1 +
 util/host.nix                                   |   2 +-
 17 files changed, 519 insertions(+), 1 deletion(-)
 create mode 100644 .gitattributes
 create mode 100644 hosts/turret/default.nix
 create mode 100644 hosts/turret/files/etc/config/dhcp
 create mode 100644 hosts/turret/files/etc/config/dropbear
 create mode 100644 hosts/turret/files/etc/config/firewall
 create mode 100644 hosts/turret/files/etc/config/https-dns-proxy
 create mode 100644 hosts/turret/files/etc/config/luci
 create mode 100644 hosts/turret/files/etc/config/network
 create mode 100644 hosts/turret/files/etc/config/rpcd
 create mode 100644 hosts/turret/files/etc/config/system
 create mode 100644 hosts/turret/files/etc/config/ucitrack
 create mode 100644 hosts/turret/files/etc/config/uhttpd
 create mode 100644 hosts/turret/files/etc/config/wireless
 create mode 100644 hosts/turret/files/etc/dropbear/authorized_keys

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..ec504d9
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+hosts/turret/files/etc/config/wireless filter=git-crypt diff=git-crypt
diff --git a/flake.lock b/flake.lock
index 8259a38..3f59ef3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -380,6 +380,26 @@
         "type": "github"
       }
     },
+    "openwrt-imagebuilder": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1679392309,
+        "narHash": "sha256-oSEr3T+kPtqyEJaKdlOtFEKdVw3/CyWpydzVRqlnaI4=",
+        "owner": "astro",
+        "repo": "nix-openwrt-imagebuilder",
+        "rev": "3760cbcd8b5b7ca7fba823c0a942e4f8279df1a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "astro",
+        "repo": "nix-openwrt-imagebuilder",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks": {
       "inputs": {
         "flake-compat": [
@@ -423,6 +443,7 @@
         "nixpkgs": "nixpkgs",
         "nixpkgsUnstable": "nixpkgsUnstable",
         "nur": "nur",
+        "openwrt-imagebuilder": "openwrt-imagebuilder",
         "pre-commit-hooks": "pre-commit-hooks"
       }
     },
diff --git a/flake.nix b/flake.nix
index 6715c5f..e811bf6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,6 +38,10 @@
     };
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     nur.url = "github:nix-community/NUR";
+    openwrt-imagebuilder = {
+      url = "github:astro/nix-openwrt-imagebuilder";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     pre-commit-hooks = {
       url = "github:cachix/pre-commit-hooks.nix";
       inputs.nixpkgs.follows = "nixpkgsUnstable";
@@ -51,6 +55,7 @@
     self,
     nixpkgs,
     flake-utils,
+    openwrt-imagebuilder,
     pre-commit-hooks,
     ...
   }: let
@@ -99,5 +104,7 @@
     })
     // {
       nixosConfigurations = mapHosts hosts;
+
+      packages.x86_64-linux.turret = nixpkgs.legacyPackages.x86_64-linux.callPackage ./hosts/turret {inherit openwrt-imagebuilder;};
     };
 }
diff --git a/hosts/turret/default.nix b/hosts/turret/default.nix
new file mode 100644
index 0000000..faac3d2
--- /dev/null
+++ b/hosts/turret/default.nix
@@ -0,0 +1,38 @@
+{
+  pkgs,
+  openwrt-imagebuilder,
+  ...
+}: let
+  inherit (pkgs) runCommand;
+  inherit (pkgs.stdenv) mkDerivation;
+  inherit (openwrt-imagebuilder.lib) build profiles;
+  wrtProfiles = profiles {
+    inherit pkgs;
+    release = "22.03.3";
+  };
+  config = mkDerivation {
+    name = "openwrt-config-files";
+    src = ./files;
+    installPhase = ''
+      mkdir -p $out
+      cp -r * $out/
+    '';
+  };
+  image =
+    wrtProfiles.identifyProfile "netgear_wac104"
+    // {
+      packages = ["https-dns-proxy"];
+
+      files = runCommand "image-files" {} ''
+        mkdir -p $out/etc/uci-defaults
+        cat > $out/etc/uci-defaults/99-custom <<EOF
+        uci -q batch << EOI
+        set system.@system[0].hostname='turret'
+        commit
+        EOI
+        EOF
+        cp -fr ${config}/etc/* $out/etc/
+      '';
+    };
+in
+  build image
diff --git a/hosts/turret/files/etc/config/dhcp b/hosts/turret/files/etc/config/dhcp
new file mode 100644
index 0000000..4a471cf
--- /dev/null
+++ b/hosts/turret/files/etc/config/dhcp
@@ -0,0 +1,55 @@
+
+config dnsmasq
+	option domainneeded '1'
+	option boguspriv '1'
+	option filterwin2k '0'
+	option localise_queries '1'
+	option rebind_protection '1'
+	option rebind_localhost '1'
+	option local '/lan/'
+	option domain 'lan'
+	option expandhosts '1'
+	option nonegcache '0'
+	option authoritative '1'
+	option readethers '1'
+	option leasefile '/tmp/dhcp.leases'
+	option resolvfile '/tmp/resolv.conf.d/resolv.conf.auto'
+	option nonwildcard '1'
+	option localservice '1'
+	option ednspacket_max '1232'
+	option doh_backup_noresolv '-1'
+	option noresolv '1'
+	list doh_backup_server ''
+	list doh_backup_server '/mask.icloud.com/'
+	list doh_backup_server '/mask-h2.icloud.com/'
+	list doh_backup_server '/use-application-dns.net/'
+	list doh_backup_server '127.0.0.1#5054'
+	list doh_backup_server '127.0.0.1#5053'
+	list server '/mask.icloud.com/'
+	list server '/mask-h2.icloud.com/'
+	list server '/use-application-dns.net/'
+	list server '127.0.0.1#5054'
+	list server '127.0.0.1#5053'
+
+config dhcp 'lan'
+	option interface 'lan'
+	option start '100'
+	option limit '150'
+	option leasetime '12h'
+	option dhcpv4 'server'
+	option dhcpv6 'server'
+	option ra 'server'
+	option ra_slaac '1'
+	list ra_flags 'managed-config'
+	list ra_flags 'other-config'
+
+config dhcp 'wan'
+	option interface 'wan'
+	option ignore '1'
+
+config odhcpd 'odhcpd'
+	option maindhcp '0'
+	option leasefile '/tmp/hosts/odhcpd'
+	option leasetrigger '/usr/sbin/odhcpd-update'
+	option loglevel '4'
+
diff --git a/hosts/turret/files/etc/config/dropbear b/hosts/turret/files/etc/config/dropbear
new file mode 100644
index 0000000..2139ba0
--- /dev/null
+++ b/hosts/turret/files/etc/config/dropbear
@@ -0,0 +1,5 @@
+config dropbear
+	option PasswordAuth 'on'
+	option RootPasswordAuth 'on'
+	option Port         '22'
+#	option BannerFile   '/etc/banner'
diff --git a/hosts/turret/files/etc/config/firewall b/hosts/turret/files/etc/config/firewall
new file mode 100644
index 0000000..b9a4647
--- /dev/null
+++ b/hosts/turret/files/etc/config/firewall
@@ -0,0 +1,189 @@
+config defaults
+	option syn_flood	1
+	option input		ACCEPT
+	option output		ACCEPT
+	option forward		REJECT
+# Uncomment this line to disable ipv6 rules
+#	option disable_ipv6	1
+
+config zone
+	option name		lan
+	list   network		'lan'
+	option input		ACCEPT
+	option output		ACCEPT
+	option forward		ACCEPT
+
+config zone
+	option name		wan
+	list   network		'wan'
+	list   network		'wan6'
+	option input		REJECT
+	option output		ACCEPT
+	option forward		REJECT
+	option masq		1
+	option mtu_fix		1
+
+config forwarding
+	option src		lan
+	option dest		wan
+
+# We need to accept udp packets on port 68,
+# see https://dev.openwrt.org/ticket/4108
+config rule
+	option name		Allow-DHCP-Renew
+	option src		wan
+	option proto		udp
+	option dest_port	68
+	option target		ACCEPT
+	option family		ipv4
+
+# Allow IPv4 ping
+config rule
+	option name		Allow-Ping
+	option src		wan
+	option proto		icmp
+	option icmp_type	echo-request
+	option family		ipv4
+	option target		ACCEPT
+
+config rule
+	option name		Allow-IGMP
+	option src		wan
+	option proto		igmp
+	option family		ipv4
+	option target		ACCEPT
+
+# Allow DHCPv6 replies
+# see https://github.com/openwrt/openwrt/issues/5066
+config rule
+	option name		Allow-DHCPv6
+	option src		wan
+	option proto		udp
+	option dest_port	546
+	option family		ipv6
+	option target		ACCEPT
+
+config rule
+	option name		Allow-MLD
+	option src		wan
+	option proto		icmp
+	option src_ip		fe80::/10
+	list icmp_type		'130/0'
+	list icmp_type		'131/0'
+	list icmp_type		'132/0'
+	list icmp_type		'143/0'
+	option family		ipv6
+	option target		ACCEPT
+
+# Allow essential incoming IPv6 ICMP traffic
+config rule
+	option name		Allow-ICMPv6-Input
+	option src		wan
+	option proto	icmp
+	list icmp_type		echo-request
+	list icmp_type		echo-reply
+	list icmp_type		destination-unreachable
+	list icmp_type		packet-too-big
+	list icmp_type		time-exceeded
+	list icmp_type		bad-header
+	list icmp_type		unknown-header-type
+	list icmp_type		router-solicitation
+	list icmp_type		neighbour-solicitation
+	list icmp_type		router-advertisement
+	list icmp_type		neighbour-advertisement
+	option limit		1000/sec
+	option family		ipv6
+	option target		ACCEPT
+
+# Allow essential forwarded IPv6 ICMP traffic
+config rule
+	option name		Allow-ICMPv6-Forward
+	option src		wan
+	option dest		*
+	option proto		icmp
+	list icmp_type		echo-request
+	list icmp_type		echo-reply
+	list icmp_type		destination-unreachable
+	list icmp_type		packet-too-big
+	list icmp_type		time-exceeded
+	list icmp_type		bad-header
+	list icmp_type		unknown-header-type
+	option limit		1000/sec
+	option family		ipv6
+	option target		ACCEPT
+
+config rule
+	option name		Allow-IPSec-ESP
+	option src		wan
+	option dest		lan
+	option proto		esp
+	option target		ACCEPT
+
+config rule
+	option name		Allow-ISAKMP
+	option src		wan
+	option dest		lan
+	option dest_port	500
+	option proto		udp
+	option target		ACCEPT
+
+
+### EXAMPLE CONFIG SECTIONS
+# do not allow a specific ip to access wan
+#config rule
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option dest		wan
+#	option proto	tcp
+#	option target	REJECT
+
+# block a specific mac on wan
+#config rule
+#	option dest		wan
+#	option src_mac	00:11:22:33:44:66
+#	option target	REJECT
+
+# block incoming ICMP traffic on a zone
+#config rule
+#	option src		lan
+#	option proto	ICMP
+#	option target	DROP
+
+# port redirect port coming in on wan to lan
+#config redirect
+#	option src			wan
+#	option src_dport	80
+#	option dest			lan
+#	option dest_ip		192.168.16.235
+#	option dest_port	80
+#	option proto		tcp
+
+# port redirect of remapped ssh port (22001) on wan
+#config redirect
+#	option src		wan
+#	option src_dport	22001
+#	option dest		lan
+#	option dest_port	22
+#	option proto		tcp
+
+### FULL CONFIG SECTIONS
+#config rule
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option src_mac	00:11:22:33:44:55
+#	option src_port	80
+#	option dest		wan
+#	option dest_ip	194.25.2.129
+#	option dest_port	120
+#	option proto	tcp
+#	option target	REJECT
+
+#config redirect
+#	option src		lan
+#	option src_ip	192.168.45.2
+#	option src_mac	00:11:22:33:44:55
+#	option src_port		1024
+#	option src_dport	80
+#	option dest_ip	194.25.2.129
+#	option dest_port	120
+#	option proto	tcp
diff --git a/hosts/turret/files/etc/config/https-dns-proxy b/hosts/turret/files/etc/config/https-dns-proxy
new file mode 100644
index 0000000..e5623ad
--- /dev/null
+++ b/hosts/turret/files/etc/config/https-dns-proxy
@@ -0,0 +1,18 @@
+
+config main 'config'
+	option dnsmasq_config_update '*'
+	list force_dns_port '53'
+	list force_dns_port '853'
+	option procd_trigger_wan6 '0'
+	option canary_domains_icloud '0'
+	option canary_domains_mozilla '0'
+	option force_dns '0'
+
+config https-dns-proxy
+	option bootstrap_dns '1.1.1.1,1.0.0.1'
+	option resolver_url 'https://cloudflare-dns.com/dns-query'
+	option listen_addr '127.0.0.1'
+	option listen_port '5054'
+	option user 'nobody'
+	option group 'nogroup'
+
diff --git a/hosts/turret/files/etc/config/luci b/hosts/turret/files/etc/config/luci
new file mode 100644
index 0000000..8eb8a9b
--- /dev/null
+++ b/hosts/turret/files/etc/config/luci
@@ -0,0 +1,41 @@
+
+config core 'main'
+	option lang 'auto'
+	option mediaurlbase '/luci-static/bootstrap'
+	option resourcebase '/luci-static/resources'
+	option ubuspath '/ubus/'
+
+config extern 'flash_keep'
+	option uci '/etc/config/'
+	option dropbear '/etc/dropbear/'
+	option openvpn '/etc/openvpn/'
+	option passwd '/etc/passwd'
+	option opkg '/etc/opkg.conf'
+	option firewall '/etc/firewall.user'
+	option uploads '/lib/uci/upload/'
+
+config internal 'languages'
+
+config internal 'sauth'
+	option sessionpath '/tmp/luci-sessions'
+	option sessiontime '3600'
+
+config internal 'ccache'
+	option enable '1'
+
+config internal 'themes'
+	option Bootstrap '/luci-static/bootstrap'
+	option BootstrapDark '/luci-static/bootstrap-dark'
+	option BootstrapLight '/luci-static/bootstrap-light'
+
+config internal 'apply'
+	option rollback '90'
+	option holdoff '4'
+	option timeout '5'
+	option display '1.5'
+
+config internal 'diag'
+	option dns 'openwrt.org'
+	option ping 'openwrt.org'
+	option route 'openwrt.org'
+
diff --git a/hosts/turret/files/etc/config/network b/hosts/turret/files/etc/config/network
new file mode 100644
index 0000000..c71cf98
--- /dev/null
+++ b/hosts/turret/files/etc/config/network
@@ -0,0 +1,29 @@
+
+config interface 'loopback'
+	option device 'lo'
+	option proto 'static'
+	option ipaddr '127.0.0.1'
+	option netmask '255.0.0.0'
+
+config globals 'globals'
+	option packet_steering '1'
+	option ula_prefix 'fd26:3166:dece::/48'
+
+config device
+	option name 'br-lan'
+	option type 'bridge'
+	list ports 'lan2'
+	list ports 'lan3'
+	list ports 'lan4'
+
+config interface 'lan'
+	option device 'br-lan'
+	option proto 'static'
+	option ipaddr '192.168.1.1'
+	option netmask '255.255.255.0'
+	option ip6assign '60'
+
+config interface 'wan'
+	option device 'lan1'
+	option proto 'dhcp'
+
diff --git a/hosts/turret/files/etc/config/rpcd b/hosts/turret/files/etc/config/rpcd
new file mode 100644
index 0000000..176c643
--- /dev/null
+++ b/hosts/turret/files/etc/config/rpcd
@@ -0,0 +1,10 @@
+config rpcd
+	option socket /var/run/ubus/ubus.sock
+	option timeout 30
+
+config login
+	option username 'root'
+	option password '$p$root'
+	list read '*'
+	list write '*'
+
diff --git a/hosts/turret/files/etc/config/system b/hosts/turret/files/etc/config/system
new file mode 100644
index 0000000..ee3415f
--- /dev/null
+++ b/hosts/turret/files/etc/config/system
@@ -0,0 +1,16 @@
+
+config system
+	option hostname 'turret'
+	option timezone 'UTC'
+	option ttylogin '0'
+	option log_size '64'
+	option urandom_seed '0'
+	option compat_version '1.1'
+
+config timeserver 'ntp'
+	option enabled '1'
+	option enable_server '0'
+	list server '0.openwrt.pool.ntp.org'
+	list server '1.openwrt.pool.ntp.org'
+	list server '2.openwrt.pool.ntp.org'
+	list server '3.openwrt.pool.ntp.org'
diff --git a/hosts/turret/files/etc/config/ucitrack b/hosts/turret/files/etc/config/ucitrack
new file mode 100644
index 0000000..bb4cdbc
--- /dev/null
+++ b/hosts/turret/files/etc/config/ucitrack
@@ -0,0 +1,56 @@
+config network
+	option init network
+	list affects dhcp
+
+config wireless
+	list affects network
+
+config firewall
+	option init firewall
+	list affects luci-splash
+	list affects qos
+	list affects miniupnpd
+
+config olsr
+	option init olsrd
+
+config dhcp
+	option init dnsmasq
+	list affects odhcpd
+
+config odhcpd
+	option init odhcpd
+
+config dropbear
+	option init dropbear
+
+config httpd
+	option init httpd
+
+config fstab
+	option exec '/sbin/block mount'
+
+config qos
+	option init qos
+
+config system
+	option init led
+	option exec '/etc/init.d/log reload'
+	list affects luci_statistics
+	list affects dhcp
+
+config luci_splash
+	option init luci_splash
+
+config upnpd
+	option init miniupnpd
+
+config ntpclient
+	option init ntpclient
+
+config samba
+	option init samba
+
+config tinyproxy
+	option init tinyproxy
+
diff --git a/hosts/turret/files/etc/config/uhttpd b/hosts/turret/files/etc/config/uhttpd
new file mode 100644
index 0000000..cb2ff71
--- /dev/null
+++ b/hosts/turret/files/etc/config/uhttpd
@@ -0,0 +1,31 @@
+
+config uhttpd 'main'
+	list listen_http '0.0.0.0:80'
+	list listen_http '[::]:80'
+	list listen_https '0.0.0.0:443'
+	list listen_https '[::]:443'
+	option redirect_https '0'
+	option home '/www'
+	option rfc1918_filter '1'
+	option max_requests '3'
+	option max_connections '100'
+	option cert '/etc/uhttpd.crt'
+	option key '/etc/uhttpd.key'
+	option cgi_prefix '/cgi-bin'
+	list lua_prefix '/cgi-bin/luci=/usr/lib/lua/luci/sgi/uhttpd.lua'
+	option script_timeout '60'
+	option network_timeout '30'
+	option http_keepalive '20'
+	option tcp_keepalive '1'
+	option ubus_prefix '/ubus'
+
+config cert 'defaults'
+	option days '730'
+	option key_type 'ec'
+	option bits '2048'
+	option ec_curve 'P-256'
+	option country 'ZZ'
+	option state 'Somewhere'
+	option location 'Unknown'
+	option commonname 'OpenWrt'
+
diff --git a/hosts/turret/files/etc/config/wireless b/hosts/turret/files/etc/config/wireless
new file mode 100644
index 0000000..b4a431d
Binary files /dev/null and b/hosts/turret/files/etc/config/wireless differ
diff --git a/hosts/turret/files/etc/dropbear/authorized_keys b/hosts/turret/files/etc/dropbear/authorized_keys
new file mode 100644
index 0000000..495c605
--- /dev/null
+++ b/hosts/turret/files/etc/dropbear/authorized_keys
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIERx0I8DKtALZ9VrYnY1iBEpwl2pBlRiS8oJQvZwpl5e seth@glados
diff --git a/util/host.nix b/util/host.nix
index 750dffa..bfaa66e 100644
--- a/util/host.nix
+++ b/util/host.nix
@@ -36,7 +36,7 @@
       };
 
   mapHosts = hosts:
-    mapFilterDirs ../hosts (_: v: v == "directory") (name: _:
+    mapFilterDirs ../hosts (n: v: v == "directory" && n != "turret") (name: _:
       mkHost {
         inherit name;
         inherit (hosts.${name}) modules system stateVersion pkgs;
-- 
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