diff options
Diffstat (limited to 'krebs/3modules')
| -rw-r--r-- | krebs/3modules/iptables.nix | 51 | ||||
| -rw-r--r-- | krebs/3modules/nginx.nix | 45 |
2 files changed, 60 insertions, 36 deletions
diff --git a/krebs/3modules/iptables.nix b/krebs/3modules/iptables.nix index b610ff3d1..a4a4de6f9 100644 --- a/krebs/3modules/iptables.nix +++ b/krebs/3modules/iptables.nix @@ -1,5 +1,7 @@ { config, lib, pkgs, ... }: +with import <stockholm/lib>; + let inherit (pkgs) writeText; @@ -7,27 +9,6 @@ let elem ; - inherit (lib) - concatMapStringsSep - concatStringsSep - attrNames - unique - fold - any - attrValues - catAttrs - filter - flatten - length - hasAttr - hasPrefix - mkEnableOption - mkOption - mkIf - types - sort - ; - cfg = config.krebs.iptables; out = { @@ -65,6 +46,14 @@ let type = int; default = 0; }; + v4 = mkOption { + type = bool; + default = true; + }; + v6 = mkOption { + type = bool; + default = true; + }; }; }))); default = null; @@ -93,7 +82,7 @@ let Type = "simple"; RemainAfterExit = true; Restart = "always"; - ExecStart = "@${startScript} krebs-iptables_start"; + ExecStart = startScript; }; }; }; @@ -109,7 +98,8 @@ let buildChain = tn: cn: let - sortedRules = sort (a: b: a.precedence > b.precedence) ts."${tn}"."${cn}".rules; + filteredRules = filter (r: r."${v}") ts."${tn}"."${cn}".rules; + sortedRules = sort (a: b: a.precedence > b.precedence) filteredRules; in #TODO: double check should be unneccessary, refactor! @@ -123,13 +113,6 @@ let buildRule = tn: cn: rule: - #target validation test: - assert (elem rule.target ([ "ACCEPT" "REJECT" "DROP" "QUEUE" "LOG" "RETURN" ] ++ (attrNames ts."${tn}"))) || hasPrefix "REDIRECT" rule.target || hasPrefix "DNAT" rule.target; - - #predicate validation test: - #maybe use iptables-test - #TODO: howto exit with evaluation error by shellscript? - #apperantly not possible from nix because evalatution wouldn't be deterministic. "${rule.predicate} -j ${rule.target}"; buildTable = tn: @@ -149,7 +132,7 @@ let #===== - rules4 = iptables-version: + rules = iptables-version: let #TODO: find out good defaults. tables-defaults = { @@ -171,14 +154,14 @@ let tables = tables-defaults // cfg.tables; in - writeText "krebs-iptables-rules${toString iptables-version}" '' + pkgs.writeText "krebs-iptables-rules${iptables-version}" '' ${buildTables iptables-version tables} ''; startScript = pkgs.writeDash "krebs-iptables_start" '' set -euf - iptables-restore < ${rules4 4} - ip6tables-restore < ${rules4 6} + iptables-restore < ${rules "v4"} + ip6tables-restore < ${rules "v6"} ''; in diff --git a/krebs/3modules/nginx.nix b/krebs/3modules/nginx.nix index 1577c5b64..933c2e513 100644 --- a/krebs/3modules/nginx.nix +++ b/krebs/3modules/nginx.nix @@ -53,9 +53,22 @@ let default = ""; }; ssl = mkOption { - type = with types; submodule ({ + type = with types; submodule ({ config, ... }: { options = { enable = mkEnableOption "ssl"; + acmeEnable = mkOption { + type = bool; + apply = x: + if x && config.enable + #conflicts because of certificate/certificate_key location + then throw "can't use ssl.enable and ssl.acmeEnable together" + else x; + default = false; + description = '' + enables automatical generation of lets-encrypt certificates and setting them as certificate + conflicts with ssl.enable + ''; + }; certificate = mkOption { type = str; }; @@ -95,6 +108,7 @@ let }; imp = { + security.acme.certs = mapAttrs (_: to-acme) (filterAttrs (_: server: server.ssl.acmeEnable) cfg.servers); services.nginx = { enable = true; httpConfig = '' @@ -117,13 +131,24 @@ let indent = replaceChars ["\n"] ["\n "]; + to-acme = { server-names, ssl, ... }: + optionalAttrs ssl.acmeEnable { + email = "lassulus@gmail.com"; + webroot = "${config.security.acme.directory}/${head server-names}"; + }; + to-location = { name, value }: '' location ${name} { ${indent value} } ''; - to-server = { server-names, listen, locations, extraConfig, ssl, ... }: '' + to-server = { server-names, listen, locations, extraConfig, ssl, ... }: let + domain = head server-names; + acmeLocation = optionalAttrs ssl.acmeEnable (nameValuePair "/.well-known/acme-challenge" '' + root ${config.security.acme.certs.${domain}.webroot}; + ''); + in '' server { server_name ${toString (unique server-names)}; ${concatMapStringsSep "\n" (x: indent "listen ${x};") listen} @@ -142,7 +167,23 @@ let ssl_ciphers ${ssl.ciphers}; ssl_protocols ${toString ssl.protocols}; '')} + ${optionalString ssl.acmeEnable (indent '' + ${optionalString ssl.force_encryption '' + if ($scheme = http){ + return 301 https://$server_name$request_uri; + } + ''} + listen 443 ssl; + ssl_certificate ${config.security.acme.directory}/${domain}/fullchain.pem; + ssl_certificate_key ${config.security.acme.directory}/${domain}/key.pem; + ${optionalString ssl.prefer_server_ciphers '' + ssl_prefer_server_ciphers On; + ''} + ssl_ciphers ${ssl.ciphers}; + ssl_protocols ${toString ssl.protocols}; + '')} ${indent extraConfig} + ${optionalString ssl.acmeEnable (indent (to-location acmeLocation))} ${indent (concatMapStrings to-location locations)} } ''; |