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feat(router0-dmz0): AP with dynamic vlan filtering on central bridge

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This commit is contained in:
steveej 2023-12-26 16:18:33 +01:00
parent 8bcb433257
commit c0a8792af7
5 changed files with 189 additions and 126 deletions
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14
flake.lock generated
View file

@ -27,11 +27,11 @@
"stable": "stable"
},
"locked": {
"lastModified": 1688224393,
"narHash": "sha256-rsAvFNhRFzTF7qyb6WprLFghJnRxMFjvD2e5/dqMp4I=",
"lastModified": 1699171528,
"narHash": "sha256-ZsN6y+tgN5w84oAqRQpMhIvQM39ZNSZoZvn2AK0QYr4=",
"owner": "zhaofengli",
"repo": "colmena",
"rev": "19384f3ee2058c56021e4465a3ec57e84a47d8dd",
"rev": "665603956a1c3040d756987bc7a810ffe86a3b15",
"type": "github"
},
"original": {
@ -746,16 +746,16 @@
},
"stable": {
"locked": {
"lastModified": 1669735802,
"narHash": "sha256-qtG/o/i5ZWZLmXw108N2aPiVsxOcidpHJYNkT45ry9Q=",
"lastModified": 1696039360,
"narHash": "sha256-g7nIUV4uq1TOVeVIDEZLb005suTWCUjSY0zYOlSBsyE=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "731cc710aeebecbf45a258e977e8b68350549522",
"rev": "32dcb45f66c0487e92db8303a798ebc548cadedc",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-22.11",
"ref": "nixos-23.05",
"repo": "nixpkgs",
"type": "github"
}

109
nix/os/devices/router0-dmz0/configuration.nix
View file

@ -1,7 +1,5 @@
{
modulesPath,
repoFlake,
packages',
pkgs,
lib,
config,
@ -154,7 +152,7 @@ in {
useNetworkd = true;
useDHCP = false;
# No local firewall.
# these will be configured via nftables
nat.enable = lib.mkForce false;
firewall.enable = lib.mkForce false;
@ -278,15 +276,27 @@ in {
'';
};
# TODO: generate one of these for each vlanid
"20-br-lan.15" = {
}
# generate the vlan devices. these will be tagged on the main bridge
// builtins.foldl'
(acc: cur: acc // cur)
{}
(builtins.map
({ vlanid, vlanid' }: {
"20-br-lan.${vlanid'}" = {
netdevConfig = {
Kind = "vlan";
Name = "br-lan.15";
};
vlanConfig.Id = 15;
Name = "br-lan.${vlanid'}";
};
vlanConfig.Id = vlanid;
};
})
(builtins.map
(vlanid: { inherit vlanid; vlanid' = builtins.toString vlanid; })
vlanRange
)
)
;
networks = {
# use lan0 as secondary WAN interface
"10-lan0-wan" = {
@ -377,16 +387,28 @@ in {
}
];
vlan = [
"br-lan.15"
];
vlan = (builtins.map
(vlanid: "br-lan.${builtins.toString vlanid}")
vlanRange
);
};
# TODO: generate one of these for each vlanid
"41-br-lan.15" = let
vlanid = 15;
in {
matchConfig.Name = "br-lan.15";
}
# configuration for the hostapd dynamic interfaces
# TODO: refactor this to configure the following per vlanid
# * netdev type vlan
# * host address for vlan
# * vlan config for wlan interface
//
builtins.foldl'
(acc: cur: acc // cur)
{}
(builtins.map ({ vlanid, vlanid' }: {
# set an address on the tagged br-lan device.
# this address will be picked up by dnsmasq.
"41-br-lan.${vlanid'}" = {
matchConfig.Name = "br-lan.${vlanid'}";
address = [
(mkVlanIpv4HostAddr { inherit vlanid; host = 1; })
];
@ -407,15 +429,12 @@ in {
];
};
# TODO: generate one of these for each vlanid
# configure the wlan interface as a bridge member that
# * only gets traffic for vid 15
# * untags traffic after receiving it
# * tags traffic that comes out of it
"41-wlan0.15" = let
vlanid = 15;
in {
matchConfig.Name = "wlan0.15";
"41-wlan0.${vlanid'}" = {
matchConfig.Name = "wlan0.${vlanid'}";
networkConfig = {
Bridge = "br-lan";
ConfigureWithoutCarrier = true;
@ -435,19 +454,6 @@ in {
];
};
}
# configuration for the hostapd dynamic interfaces
# TODO: refactor this to configure the following per vlanid
# * netdev type vlan
# * host address for vlan
# * vlan config for wlan interface
//
builtins.foldl'
(acc: cur: acc // cur)
{}
(builtins.map
({ vlanid, vlanid' }: {
"50-br-lan.${vlanid'}" = {
matchConfig.Name = "br-lan.${vlanid'}";
address = [
@ -472,14 +478,14 @@ in {
(builtins.map
(vlanid: { inherit vlanid; vlanid' = builtins.toString vlanid; })
vlanRange
)
);
))
;
};
# wireless access point
services.hostapd = {
enable = true;
package = nodeFlake.packages.hostapd_main;
package = nodeFlake.packages.${system}.hostapd_patched;
radios = let
# generated with https://miniwebtool.com/mac-address-generator/
mkBssid = i: "34:56:ce:0f:ed:4${toString i}";
@ -521,19 +527,34 @@ in {
# https://wireless.wiki.kernel.org/en/users/Documentation/hostapd#dynamic_vlan_tagging
# https://forum.openwrt.org/t/individual-per-passphrase-wifi-vlans-using-wpa-psk-file-no-radius-required/161696/4
dynamic_vlan = 1;
vlan_no_bridge = 1;
/* not used due to the above vlan_no_bridge setting
vlan_tagged_interface = "br-lan";
vlan_naming = 1;
vlan_bridge = "br-${iface}.";
dynamic_vlan = 1;
vlan_file = toString (pkgs.writeText "hostapd.vlan" ''
*/
vlan_file = let
generated = builtins.map (vlanid:
"${builtins.toString vlanid} ${iface}.${builtins.toString vlanid}"
) vlanRange
;
wildcard = [
# Optional wildcard entry matching all VLAN IDs. The first # in the interface
# name will be replaced with the VLAN ID. The network interfaces are created
# (and removed) dynamically based on the use.
# see https://w1.fi/cgit/hostap/tree/hostapd/hostapd.vlan
* ${iface}.#
'');
"* ${iface}.#"
];
vlan_no_bridge = 1;
file = pkgs.writeText "hostapd.vlan"
(builtins.concatStringsSep "\n" (generated ++ wildcard));
filePath = toString file;
in filePath;
wpa_key_mgmt = lib.mkForce (builtins.concatStringsSep " " [
"WPA-PSK"
@ -692,7 +713,7 @@ in {
tag
(mkVlanIpv4HostAddr { inherit vlanid; host = 100; cidr = false; })
(mkVlanIpv4HostAddr { inherit vlanid; host = 199; cidr = false; })
"5m"
"30m"
];
in
builtins.map
@ -748,7 +769,7 @@ in {
system.stateVersion = "23.05";
boot.kernelPackages = pkgs.linuxPackages_bpir3;
boot.kernelPackages = pkgs.linuxPackages_bpir3_latest;
# We exclude a number of modules included in the default list. A non-insignificant amount do
# not apply to embedded hardware like this, so simply skip the defaults.
#

5
nix/os/devices/router0-dmz0/default.nix
View file

@ -1,11 +1,10 @@
{
system ? "aarch64-linux",
nodeName,
repoFlake,
nodeFlake,
...
}: let
system = "aarch64-linux";
in {
}: {
meta.nodeSpecialArgs.${nodeName} = {
inherit repoFlake nodeName nodeFlake system;
packages' = repoFlake.packages.${system};

62
nix/os/devices/router0-dmz0/flake.lock generated
View file

@ -7,17 +7,18 @@
]
},
"locked": {
"lastModified": 1703182100,
"narHash": "sha256-zl2G9ex86b8G6J9+QT4n9g26G8dtandIt1LlFhZiaxE=",
"ref": "refs/heads/linux-6.6",
"rev": "953a04e6792c412a664212db6a64bbaaa35bff0a",
"revCount": 31,
"type": "git",
"url": "file:///home/steveej/src/steveej/nixos-bpir3"
"lastModified": 1703603768,
"narHash": "sha256-ZViXHNt7ClqNtlRO9iot+LxiSbBvZi/RR+/6Q7W6UV8=",
"owner": "steveej-forks",
"repo": "nixos-bpir3",
"rev": "47cb545b92c136d1482a66b940c4719c40eb5fe3",
"type": "github"
},
"original": {
"type": "git",
"url": "file:///home/steveej/src/steveej/nixos-bpir3"
"owner": "steveej-forks",
"ref": "linux-6.6",
"repo": "nixos-bpir3",
"type": "github"
}
},
"dependencyDagOfSubmodule": {
@ -48,11 +49,11 @@
]
},
"locked": {
"lastModified": 1703162528,
"narHash": "sha256-pQ41wN6JlStkZOhRTIHEpuwVywLdh+xzZQW1+FzdjVs=",
"lastModified": 1703532766,
"narHash": "sha256-ojjW3cuNmqL5uqDWohwLoO8dYpheM5+AfgsNmGIMwG8=",
"owner": "nix-community",
"repo": "disko",
"rev": "a050895e4eb06e0738680021a701ea05dc8dbfc9",
"rev": "1b191113874dee97796749bb21eac3d84735c70a",
"type": "github"
},
"original": {
@ -83,11 +84,11 @@
]
},
"locked": {
"lastModified": 1703368619,
"narHash": "sha256-ZGPMYL7FMA6enhuwby961bBANmoFX14EA86m2/Jw5Jo=",
"lastModified": 1703527373,
"narHash": "sha256-AjypRssRtS6F3xkf7rE3/bXkIF2WJOZLbTIspjcE1zM=",
"owner": "nix-community",
"repo": "home-manager",
"rev": "a2523ea0343b056ba240abbac90ab5f116a7aa7b",
"rev": "80679ea5074ab7190c4cce478c600057cfb5edae",
"type": "github"
},
"original": {
@ -136,11 +137,11 @@
},
"nixos-stable": {
"locked": {
"lastModified": 1702921762,
"narHash": "sha256-O/rP7gulApQAB47u6szEd8Pn8Biw0d84j5iuP2tcxzY=",
"lastModified": 1703068421,
"narHash": "sha256-WSw5Faqlw75McIflnl5v7qVD/B3S2sLh+968bpOGrWA=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "d02ffbbe834b5599fc5f134e644e49397eb07188",
"rev": "d65bceaee0fb1e64363f7871bc43dc1c6ecad99f",
"type": "github"
},
"original": {
@ -166,6 +167,24 @@
"type": "github"
}
},
"openwrt": {
"flake": false,
"locked": {
"lastModified": 1691699580,
"narHash": "sha256-CV+ufXPEr5Nz2O2FBnnuPeHNsFQ7c5s0uW39u/q3cUo=",
"ref": "main",
"rev": "847984c773d819d5579d5abae4b80a4983103ed9",
"revCount": 58166,
"type": "git",
"url": "https://github.com/openwrt/openwrt.git"
},
"original": {
"ref": "main",
"rev": "847984c773d819d5579d5abae4b80a4983103ed9",
"type": "git",
"url": "https://github.com/openwrt/openwrt.git"
}
},
"root": {
"inputs": {
"bpir3": "bpir3",
@ -175,6 +194,7 @@
"hostapd": "hostapd",
"nixos-nftables-firewall": "nixos-nftables-firewall",
"nixpkgs": "nixpkgs",
"openwrt": "openwrt",
"srvos": "srvos"
}
},
@ -186,11 +206,11 @@
]
},
"locked": {
"lastModified": 1703258052,
"narHash": "sha256-gWGQxht/xRJRnA+35aHtpmev7snsM+2GBdaPyarXNqU=",
"lastModified": 1703469109,
"narHash": "sha256-hTQJ9uV43Vt8UXwervEj9mbDoQSN1mD3lwwPChG8jy8=",
"owner": "numtide",
"repo": "srvos",
"rev": "0c7eefd13776730f33ea28fb984dd95cb5357e8e",
"rev": "52d07db520046c4775f1047e68a05dcb53bba9ec",
"type": "github"
},
"original": {

71
nix/os/devices/router0-dmz0/flake.nix
View file

@ -1,7 +1,6 @@
{
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
# nixpkgs.url = "github:steveej-forks/nixpkgs/hostapd-fix";
get-flake.url = "github:ursi/get-flake";
@ -13,15 +12,29 @@
srvos.url = "github:numtide/srvos";
srvos.inputs.nixpkgs.follows = "nixpkgs";
# bpir3.url = "github:steveej-forks/nixos-bpir3";
bpir3.url = "/home/steveej/src/steveej/nixos-bpir3";
bpir3.url =
"github:steveej-forks/nixos-bpir3/linux-6.6"
# "/home/steveej/src/steveej/nixos-bpir3"
;
bpir3.inputs.nixpkgs.follows = "nixpkgs";
nixos-nftables-firewall.url = "github:thelegy/nixos-nftables-firewall";
nixos-nftables-firewall.inputs.nixpkgs.follows = "nixpkgs";
hostapd.url = "git://w1.fi/hostap.git?branch=main";
hostapd.flake = false;
openwrt.url = "git+https://github.com/openwrt/openwrt.git?ref=main&rev=847984c773d819d5579d5abae4b80a4983103ed9";
openwrt.flake = false;
# TODO: would be nice if this worked but it throws an error when using the input as a patch:
# error: flake input has unsupported input type 'file'
# hostapd_patch_vlan_no_bridge = {
# url = "file+https://raw.githubusercontent.com/openwrt/openwrt/847984c773d819d5579d5abae4b80a4983103ed9/package/network/services/hostapd/patches/710-vlan_no_bridge.patch";
# flake = false;
# };
};
outputs = {
@ -30,25 +43,31 @@
nixpkgs,
bpir3,
...
} @ attrs: let
system = "aarch64-linux";
}: let
nativeSystem = "aarch64-linux";
nodeName = "router0-dmz0";
pkgs = nixpkgs.legacyPackages.${system};
pkgs = nixpkgs.legacyPackages.${nativeSystem};
pkgsCross = import self.inputs.nixpkgs {
system = "x86_64-linux";
crossSystem = {
config = "aarch64-unknown-linux-gnu";
};
};
mkNixosConfiguration = {extraModules ? [], ...} @ attrs:
nixpkgs.lib.nixosSystem (
nixpkgs.lib.attrsets.recursiveUpdate
attrs
{
specialArgs = {
nodeFlake = self;
repoFlake = get-flake ../../../..;
# TODO: it would be nice if this were the same as meta.nodeSpecialArgs.${nodeName} as in the default.nix
specialArgs = (import ./default.nix {
system = nativeSystem;
inherit nodeName;
inherit
(bpir3.packages.${system})
armTrustedFirmwareMT7986
;
};
repoFlake = get-flake ../../../..;
nodeFlake = self;
}).meta.nodeSpecialArgs.${nodeName};
modules =
[
@ -67,6 +86,7 @@
inherit
(bpir3Pkgs)
linuxPackages_bpir3
linuxPackages_bpir3_latest
;
})
@ -79,30 +99,33 @@
in {
nixosConfigurations = {
native = mkNixosConfiguration {
inherit system;
system = nativeSystem;
};
cross = mkNixosConfiguration {
extraModules = [
{
nixpkgs.buildPlatform.system = "x86_64-linux";
nixpkgs.hostPlatform.system = system;
nixpkgs.hostPlatform.system = nativeSystem;
}
];
};
};
packages = {
hostapd_main = pkgs.hostapd.overrideDerivation(attrs: {
src = self.inputs.hostapd;
version = self.inputs.hostapd.rev;
packages = let
mkPatchedHostapd = pkgs: pkgs.hostapd.overrideDerivation(attrs: {
patches = attrs.patches ++ [
(builtins.fetchurl {
url = "https://raw.githubusercontent.com/openwrt/openwrt/main/package/network/services/hostapd/patches/710-vlan_no_bridge.patch";
sha256 = "sha256:1p6fjjdwx5xrxyvllfrmvdkiji7bgx997k1qmp199bbic1fq6ks9";
})
"${self.inputs.openwrt}/package/network/services/hostapd/patches/710-vlan_no_bridge.patch"
];
});
in {
"${nativeSystem}" = {
hostapd_patched = mkPatchedHostapd pkgs;
};
cross = {
hostapd_patched = mkPatchedHostapd pkgsCross;
};
};
};
}