nixos-config/modules/nixos/common-settings/mainland.nix

172 lines
4.4 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
inherit (lib)
mkIf
mkOption
types
mkDefault
;
cfg = config.inMainland;
in
{
options = {
inMainland = mkOption {
type = types.bool;
default = config.time.timeZone == "Asia/Shanghai";
};
commonSettings.network.enableProxy = mkOption {
type = types.bool;
default = config.inMainland;
};
};
config = mkIf cfg {
nix.settings.extra-substituters = [
"https://mirrors.cernet.edu.cn/nix-channels/store?priority=20"
];
networking.timeServers = [
"cn.ntp.org.cn"
"ntp.ntsc.ac.cn"
];
sops = mkIf config.commonSettings.network.enableProxy {
secrets = {
"dae/sub" = {
sopsFile = ../../../machines/secrets.yaml;
};
};
templates."dae/sub.dae".content = ''
subscription {
my_sub: '${config.sops.placeholder."dae/sub"}'
}
'';
};
systemd.services.dae.serviceConfig.LoadCredential = mkIf config.commonSettings.network.enableProxy [
"sub.dae:${config.sops.templates."dae/sub.dae".path}"
];
services.dae = mkIf config.commonSettings.network.enableProxy {
enable = mkDefault true;
config = ''
include {
./sub.dae
}
global {
tproxy_port: 12345
tproxy_port_protect: true
so_mark_from_dae: 0
log_level: info
disable_waiting_network: false
##### Interface and kernel options.
# lan_interface: docker0
wan_interface: auto
auto_config_kernel_parameter: true
##### Node connectivity check.
tcp_check_url: 'http://cp.cloudflare.com,1.1.1.1,2606:4700:4700::1111'
tcp_check_http_method: HEAD
udp_check_dns: 'dns.quad9.net:53,9.9.9.9,2620:fe::fe'
check_interval: 30s
# Group will switch node only when new_latency <= old_latency - tolerance.
check_tolerance: 100ms
##### Connecting options.
dial_mode: ${if config.commonSettings.network.localdns.enable then "domain+" else "domain"}
allow_insecure: false
sniffing_timeout: 100ms
tls_implementation: tls
# utls_imitate: firefox_auto
mptcp: true
}
# See https://github.com/daeuniverse/dae/blob/main/docs/en/configuration/dns.md for full examples.
dns {
ipversion_prefer: 4
upstream {
globaldns: 'tls://dns.quad9.net'
cndns: 'h3://dns.alidns.com:443'
tsdns: 'udp://100.100.100.100'
localdns: 'udp://127.0.0.1:53'
}
routing {
request {
${
if config.commonSettings.network.localdns.enable then
''
fallback: localdns
''
else
''
qname(suffix:ts.net) -> tsdns
qname(geosite:cn) -> cndns
fallback: globaldns
''
}
}
}
}
# Node group (outbound).
group {
default_group {
filter: name(regex: '^(hk)[0-9]+') [add_latency: -30ms]
filter: name(regex: '^(la)[0-9]+') [add_latency: -140ms]
filter: name(regex: '^(fra)[0-9]+') [add_latency: -150ms]
policy: min_moving_avg
}
}
# See https://github.com/daeuniverse/dae/blob/main/docs/en/configuration/routing.md for full examples.
routing {
# pname(kresd) && dport(53) && l4proto(udp)-> must_direct
# Disable h3 because it usually consumes too much cpu/mem resources.
l4proto(udp) && dport(443) -> block
pname(blackbox_exporter) -> direct
pname(tailscaled) -> direct
dip(224.0.0.0/3, 'ff00::/8') -> direct
dip(geoip:private) -> direct
# Direct traffic to dns server
dip(1.12.12.12) -> direct
dip(223.5.5.5) -> direct
dip(223.6.6.6) -> direct
# === Force Proxy ===
domain(geosite:linkedin) -> default_group
# === Custom direct rules ===
domain(geosite:cn) -> direct
domain(suffix:ipify.org) -> direct
domain(geosite:steam@cn) -> direct
dip(geoip:cn) -> direct
fallback: default_group
}
'';
};
};
}