nixos-config/modules/samba-share.nix

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{ config, lib, pkgs, ... }:
with lib;
with types;
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let
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cfg = config.samba-share;
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in
{
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options.samba-share = {
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openPorts = mkEnableOption "open samba ports everywher";
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enable = mkEnableOption "enable samba-share";
enableWSDD = mkEnableOption "enable services.samba-wsdd.enable";
guestUser = mkOption {
default = "media";
type = str;
description = ''
user name a guest users uses.
'';
};
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folders = mkOption {
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default = { };
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type = with types; attrsOf str;
description = ''
folders to share as readonly
'';
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example = { public = "/srv/downloads/movies"; };
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};
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private = mkOption {
default = { };
type = with types;
attrsOf (submodule {
options = {
users = mkOption {
type = with types; str;
description = ''
System users allowed to access the folder.
To set password:
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# nix-shell -p samba
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# smbpasswd -a <user>
'';
};
folder = mkOption { type = with types; str; };
};
});
};
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};
config = mkMerge [
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(mkIf cfg.enable {
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services.samba = {
enable = true;
# services.samba.securityType = "share";
extraConfig = ''
guest account = ${cfg.guestUser}
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map to guest = bad user
# disable printing
load printers = no
printing = bsd
printcap name = /dev/null
disable spoolss = yes
'';
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shares = mapAttrs'
(name: path: {
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name = name;
value = {
browsable = "yes";
comment = "read only share ${name}";
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path = path;
"read only" = "yes";
"guest ok" = "yes";
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};
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})
cfg.folders // (mapAttrs'
(name:
{ users, folder, ... }: {
name = name;
value = {
browsable = "yes";
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comment = "read write share ${name}";
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path = folder;
"valid users" = users;
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"read only" = "no";
"guest ok" = "no";
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};
})
cfg.private);
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};
#users.users.smbguest = {
# name = "smbguest";
# uid = config.ids.uids.smbguest;
# description = "smb guest user";
# home = "/home/smbguest";
# createHome = true;
# group = "smbguest";
#};
#users.groups.smbguest = { };
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})
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# todo : maybe better to have a parameter for this
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(mkIf config.services.syncthing.enable {
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users.groups."syncthing".members = [ "smbguest" ];
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})
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(mkIf cfg.openPorts {
networking.firewall.allowedTCPPorts = [ 445 139 5357 ];
networking.firewall.allowedUDPPorts = [ 137 138 3702 ];
})
(mkIf cfg.enableWSDD {
services.samba-wsdd.enable = true;
services.samba-wsdd.discovery = true;
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})
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];
}