169 lines
4.7 KiB
Nix
169 lines
4.7 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.squid;
|
|
|
|
|
|
squidConfig = pkgs.writeText "squid.conf"
|
|
(if cfg.configText != null then cfg.configText else
|
|
''
|
|
#
|
|
# Recommended minimum configuration (3.5):
|
|
#
|
|
|
|
# Example rule allowing access from your local networks.
|
|
# Adapt to list your (internal) IP networks from where browsing
|
|
# should be allowed
|
|
acl localnet src 10.0.0.0/8 # RFC 1918 possible internal network
|
|
acl localnet src 172.16.0.0/12 # RFC 1918 possible internal network
|
|
acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network
|
|
acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines
|
|
acl localnet src fc00::/7 # RFC 4193 local private network range
|
|
acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines
|
|
|
|
acl SSL_ports port 443 # https
|
|
acl Safe_ports port 80 # http
|
|
acl Safe_ports port 21 # ftp
|
|
acl Safe_ports port 443 # https
|
|
acl Safe_ports port 70 # gopher
|
|
acl Safe_ports port 210 # wais
|
|
acl Safe_ports port 1025-65535 # unregistered ports
|
|
acl Safe_ports port 280 # http-mgmt
|
|
acl Safe_ports port 488 # gss-http
|
|
acl Safe_ports port 591 # filemaker
|
|
acl Safe_ports port 777 # multiling http
|
|
acl CONNECT method CONNECT
|
|
|
|
#
|
|
# Recommended minimum Access Permission configuration:
|
|
#
|
|
# Deny requests to certain unsafe ports
|
|
http_access deny !Safe_ports
|
|
|
|
# Deny CONNECT to other than secure SSL ports
|
|
http_access deny CONNECT !SSL_ports
|
|
|
|
# Only allow cachemgr access from localhost
|
|
http_access allow localhost manager
|
|
http_access deny manager
|
|
|
|
# We strongly recommend the following be uncommented to protect innocent
|
|
# web applications running on the proxy server who think the only
|
|
# one who can access services on "localhost" is a local user
|
|
http_access deny to_localhost
|
|
|
|
# Application logs to syslog, access and store logs have specific files
|
|
cache_log syslog
|
|
access_log stdio:/var/log/squid/access.log
|
|
cache_store_log stdio:/var/log/squid/store.log
|
|
|
|
# Required by systemd service
|
|
pid_filename /run/squid.pid
|
|
|
|
# Run as user and group squid
|
|
cache_effective_user squid squid
|
|
|
|
#
|
|
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
|
|
#
|
|
${cfg.extraConfig}
|
|
|
|
# Example rule allowing access from your local networks.
|
|
# Adapt localnet in the ACL section to list your (internal) IP networks
|
|
# from where browsing should be allowed
|
|
http_access allow localnet
|
|
http_access allow localhost
|
|
|
|
# And finally deny all other access to this proxy
|
|
http_access deny all
|
|
|
|
# Squid normally listens to port 3128
|
|
http_port ${toString cfg.proxyPort}
|
|
|
|
# Leave coredumps in the first cache dir
|
|
coredump_dir /var/cache/squid
|
|
|
|
#
|
|
# Add any of your own refresh_pattern entries above these.
|
|
#
|
|
refresh_pattern ^ftp: 1440 20% 10080
|
|
refresh_pattern ^gopher: 1440 0% 1440
|
|
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
|
|
refresh_pattern . 0 20% 4320
|
|
'');
|
|
|
|
in
|
|
|
|
{
|
|
|
|
options = {
|
|
|
|
services.squid = {
|
|
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = "Whether to run squid web proxy.";
|
|
};
|
|
|
|
proxyPort = mkOption {
|
|
type = types.int;
|
|
default = 3128;
|
|
description = "TCP port on which squid will listen.";
|
|
};
|
|
|
|
extraConfig = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = ''
|
|
Squid configuration. Contents will be added
|
|
verbatim to the configuration file.
|
|
'';
|
|
};
|
|
|
|
configText = mkOption {
|
|
type = types.nullOr types.lines;
|
|
default = null;
|
|
description = ''
|
|
Verbatim contents of squid.conf. If null (default), use the
|
|
autogenerated file from NixOS instead.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
users.users.squid = {
|
|
isSystemUser = true;
|
|
group = "squid";
|
|
home = "/var/cache/squid";
|
|
createHome = true;
|
|
};
|
|
|
|
users.groups.squid = {};
|
|
|
|
systemd.services.squid = {
|
|
description = "Squid caching web proxy";
|
|
after = [ "network.target" "nss-lookup.target" ];
|
|
wantedBy = [ "multi-user.target"];
|
|
preStart = ''
|
|
mkdir -p "/var/log/squid"
|
|
chown squid:squid "/var/log/squid"
|
|
'';
|
|
serviceConfig = {
|
|
Type="forking";
|
|
PIDFile="/run/squid.pid";
|
|
ExecStart = "${pkgs.squid}/bin/squid -YCs -f ${squidConfig}";
|
|
};
|
|
};
|
|
|
|
};
|
|
|
|
}
|