Initial versionHEADmaster

This was taken from nixturris.

24 files changed, 761 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fcfc4a1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+result*
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..1b0c435
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,40 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1648297722,
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
+        "type": "github"
+      },
+      "original": {
+        "id": "flake-utils",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1648219316,
+        "narHash": "sha256-Ctij+dOi0ZZIfX5eMhgwugfvB+WZSrvVNAyAuANOsnQ=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "30d3d79b7d3607d56546dd2a6b49e156ba0ec634",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..ff75348
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,30 @@
+{
+  description = "Turris Sentinel flake";
+
+  outputs = { self, flake-utils, nixpkgs }: {
+
+      overlays.default = final: prev: import ./pkgs { nixpkgs = prev; };
+      overlay = self.overlays.default; # Backward compatibility
+
+      nixosModules = import ./nixos;
+      nixosModule = {
+        imports = builtins.attrValues self.nixosModules;
+        nixpkgs.overlays = [ self.overlay ];
+      };
+
+    } // flake-utils.lib.eachSystem (flake-utils.lib.defaultSystems ++ ["armv7l-linux"]) (
+      system: {
+        packages = flake-utils.lib.filterPackages system (flake-utils.lib.flattenTree (
+          import ./pkgs { nixpkgs = nixpkgs.legacyPackages."${system}"; }
+        ));
+
+        # The legacyPackages imported as overlay allows us to use pkgsCross to
+        # cross-compile those packages.
+        legacyPackages = import nixpkgs {
+          inherit system;
+          overlays = [ self.overlay ];
+          crossOverlays = [ self.overlay ];
+        };
+      }
+    );
+}
diff --git a/nixos/default.nix b/nixos/default.nix
new file mode 100644
index 0000000..b95e12a
--- /dev/null
+++ b/nixos/default.nix
@@ -0,0 +1,5 @@
+{
+  sentinel = import ./modules/sentinel.nix;
+  sentinel-fwlogs = import ./modules/sentinel-fwlogs.nix;
+  sentinel-minipot = import ./modules/sentinel-minipot.nix;
+}
diff --git a/nixos/modules/sentinel-faillogs.nix b/nixos/modules/sentinel-faillogs.nix
new file mode 100644
index 0000000..93ade14
--- /dev/null
+++ b/nixos/modules/sentinel-faillogs.nix
@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+
+  imports = [ ./sentinel.nix ];
+
+
+  options = {
+    services.sentinel.faillogs = {
+        enable = mkOption {
+          type = types.bool;
+          default = true;
+          description = ''
+            Whether to enable the Turris Sentinel Fail logs collector.
+            The services.sentinel.enable has to be enabled as well.
+          '';
+        };
+      };
+  };
+
+
+  config = mkIf config.services.sentinel.enable && config.services.sentinel.faillogs.enable {
+    environment.systemPackages = [ pkgs.sentinel-faillogs ];
+
+    systemd.services.sentinel-faillogs = {
+      description = "Turris Sentinel Fail Logs";
+      wantedBy = [ "multi-user.target" ];
+      path = [ pkgs.sentinel-faillogs ];
+      serviceConfig.ExecStart = "${pkgs.sentinel-faillogs}/bin/sentinel-faillogs";
+    };
+
+  };
+
+}
diff --git a/nixos/modules/sentinel-fwlogs.nix b/nixos/modules/sentinel-fwlogs.nix
new file mode 100644
index 0000000..d2bc864
--- /dev/null
+++ b/nixos/modules/sentinel-fwlogs.nix
@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+
+  imports = [ ./sentinel.nix ];
+
+
+  options = {
+    services.sentinel.fwlogs = {
+        enable = mkOption {
+          type = types.bool;
+          default = true;
+          description = ''
+            Whether to enable the Turris Sentinel Firewall logs collector.
+            The services.sentinel.enable has to be enabled as well.
+          '';
+        };
+        nflog-group = mkOption {
+          type = types.port;
+          default = 1914;
+          description = "Netfilter log group used to pass logs to sentinel-fwlogs.";
+        };
+      };
+  };
+
+
+  config = mkIf config.services.sentinel.enable && config.services.sentinel.fwlogs.enable {
+    environment.systemPackages = [ pkgs.sentinel-fwlogs ];
+
+    systemd.services.sentinel-fwlogs = {
+      description = "Turris Sentinel Firewall Logs";
+      wantedBy = [ "multi-user.target" ];
+      path = [ pkgs.sentinel-fwlogs ];
+      serviceConfig.ExecStart = "${pkgs.sentinel-fwlogs}/bin/sentinel-fwlogs";
+    };
+
+  };
+
+}
diff --git a/nixos/modules/sentinel-minipot.nix b/nixos/modules/sentinel-minipot.nix
new file mode 100644
index 0000000..8dcf370
--- /dev/null
+++ b/nixos/modules/sentinel-minipot.nix
@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cnf = config.sentinel.minipot;
+  inherit (pkgs) sentinel-minipot;
+
+  minipotOpts = { name, port }: {
+    enable = mkOption {
+      type = types.bool;
+      default = true;
+      description = ''
+        Whether to enable the Turris Sentinel ${name} Minipot.
+        The services.sentinel.enable and service.sentinel.minipot.enable have to be enabled as well.
+      '';
+    };
+    port = mkOption {
+      type = types.port;
+      default = port;
+      description = "The port ${name} minipot should bind to.";
+    };
+  };
+
+in {
+
+  imports = [ ./sentinel.nix ];
+
+  options = {
+    services.sentinel.minipot = {
+      enable = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Whether to enable the Turris Sentinel Minipot system.
+          The services.sentinel.enable has to be enabled as well.
+        '';
+      };
+
+      http = minipotOpts { name = "HTTP"; port = 8033; };
+      ftp = minipotOpts { name = "FTP"; port = 2133; };
+      smtp = minipotOpts { name = "SMTP"; port = 5873; };
+      telnet = minipotOpts { name = "Telnet"; port = 2333; };
+    };
+  };
+
+
+  config = mkIf (config.services.sentinel.enable && cnf.enable) {
+    assertions = [
+      {
+        assertion = cnf.http.enable || cnf.ftp.enable || cnf.smtp.enable || cnf.telnet.enable;
+        message = "Sentinel minipot requires at least one of the protocols to be enabled";
+      }
+    ];
+
+    environment.systemPackages = [ sentinel-minipot ];
+
+    systemd.services.sentinel-minipot = {
+      description = "Turris Sentinel Minipot";
+      wantedBy = [ "multi-user.target" ];
+      path = [ sentinel-minipot ];
+      serviceConfig.ExecStart = "${sentinel-minipot}/bin/sentinel-minipot"
+        + optionalString cnf.http.enable " --http=${cnf.http.port}"
+        + optionalString cnf.ftp.enable " --ftp=${cnf.ftp.port}"
+        + optionalString cnf.smtp.enable " --smtp=${cnf.smtp.port}"
+        + optionalString cnf.telnet.enable " --telnet=${cnf.telnet.port}";
+    };
+
+  };
+
+}
diff --git a/nixos/modules/sentinel.nix b/nixos/modules/sentinel.nix
new file mode 100644
index 0000000..19ef746
--- /dev/null
+++ b/nixos/modules/sentinel.nix
@@ -0,0 +1,60 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cnf = config.sentinel;
+
+in {
+
+  options = {
+
+    services.sentinel = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable the Turris Sentinel attact prevention system.
+        '';
+      };
+      deviceToken = mkOption {
+        type = types.str;
+        description = ''
+          Turris Sentinel token. You can use `sentinel-device-token -c` to get new one.
+        '';
+      };
+      sentinelCA = mkOption {
+        type = types.path;
+        default = ../sentinel-ca.pem;
+        description = ''
+          The CA certificate used with Sentinel.
+          Most of the times you do not want to modify this as it uses the
+          certificate shipped with NixOS modules.
+        '';
+      };
+
+    };
+
+  };
+
+
+  config = mkIf config.services.sentinel.enable {
+    environment.systemPackages = with pkgs; [
+      sentinel-proxy sentinel-certgen
+    ];
+
+    # TODO we should probably rather pass token using configuration file
+    systemd.services.sentinel-proxy = {
+      description = "Turris Sentinel proxy";
+      wantedBy = [ "multi-user.target" ];
+      path = [ sentinel-proxy ];
+      serviceConfig.ExecStart = "${sentinel-proxy}/bin/sentinel-proxy"
+        + "--ca=${cnf.sentinelCA}"
+        + " --token=${cnf.deviceToken}";
+    };
+
+  };
+
+}
diff --git a/nixos/sentinel-ca.pem b/nixos/sentinel-ca.pem
new file mode 100644
index 0000000..8c1f6a5
--- /dev/null
+++ b/nixos/sentinel-ca.pem
@@ -0,0 +1,61 @@
+################################################################
+(Development) Sentinel CA
+
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
+
+################################################################
+Sentinel Root CA X1
+
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/pkgs/build-support/bootstrap.sh b/pkgs/build-support/bootstrap.sh
new file mode 100644
index 0000000..a1202cb
--- /dev/null
+++ b/pkgs/build-support/bootstrap.sh
@@ -0,0 +1,5 @@
+preConfigurePhases="${preConfigurePhases:-} bootstrapPhase"
+
+bootstrapPhase() {
+	./bootstrap
+}
diff --git a/pkgs/default.nix b/pkgs/default.nix
new file mode 100644
index 0000000..81360e6
--- /dev/null
+++ b/pkgs/default.nix
@@ -0,0 +1,45 @@
+{ nixpkgs ? <nixpkgs>, nixlib ? nixpkgs.lib }:
+
+let
+  pkgs = nixpkgs // sentinelPkgs;
+  callPackage = nixlib.callPackageWith pkgs;
+
+  sentinelPkgs = with pkgs; {
+
+    bootstrapHook = callPackage (
+      { makeSetupHook, autoconf, autoconf-archive, automake, gettext, libtool }:
+      makeSetupHook
+        { deps = [ autoconf autoconf-archive automake gettext libtool ]; }
+        ./build-support/bootstrap.sh
+    ) { };
+
+    ## Libraries ##
+    logc = callPackage ./libraries/logc { };
+    logc-0_1 = logc.overrideAttrs (oldAttrs: rec {
+      version = "0.1.0";
+      src = fetchgit {
+        url = "https://gitlab.nic.cz/turris/logc.git";
+        rev = "v" + version;
+        sha256 = "1swjzs2249wvnqx2zvxwd7d1z22kd3512xxfvq002cvgbq78ka9a";
+      };
+      patches = [];
+    });
+    logc-libs = callPackage ./libraries/logc-libs { };
+    base64c = callPackage ./libraries/base64c { };
+    paho-mqtt-c = callPackage ./libraries/paho-mqtt-c { };
+
+    ## Sentinel applications ##
+    sentinel-certgen = python3Packages.callPackage ./sentinel/certgen { };
+    #sentinel-dynfw-client = python3Packages.callPackage ./sentinel/dynfw-client { };
+    sentinel-proxy = callPackage ./sentinel/proxy { };
+    sentinel-minipot = callPackage ./sentinel/minipot { };
+    sentinel-fwlogs = callPackage ./sentinel/fwlogs { };
+    sentinel-faillogs = callPackage ./sentinel/faillogs { };
+    turris-crypto-wrapper = callPackage ./turris/crypto-wrapper { };
+
+    ## Turris routers specific tools ##
+    libatsha204 = callPackage ./turris/libatsha204 { };
+
+  };
+
+in sentinelPkgs
diff --git a/pkgs/libraries/base64c/default.nix b/pkgs/libraries/base64c/default.nix
new file mode 100644
index 0000000..9cb6def
--- /dev/null
+++ b/pkgs/libraries/base64c/default.nix
@@ -0,0 +1,27 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "base64c";
+  version = "0.2.1";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/base64c";
+    description = "Base64 encoding/decoding library for C";
+    license = licenses.mit;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/base64c.git";
+    rev = "v" + version;
+    sha256 = "09qgx2qcni6cmk9mwiis843wgp3f85mh2c3sm0w37ib0bcxdvq7x";
+  };
+
+  nativeBuildInputs = [bootstrapHook pkg-config];
+  depsBuildBuild = [check];
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/libraries/logc-libs/0001-tests-cmzq-try-to-fix-test-failure.patch b/pkgs/libraries/logc-libs/0001-tests-cmzq-try-to-fix-test-failure.patch
new file mode 100644
index 0000000..349bf91
--- /dev/null
+++ b/pkgs/libraries/logc-libs/0001-tests-cmzq-try-to-fix-test-failure.patch
@@ -0,0 +1,31 @@
+From ecd66fc7d0079093fc56c16233c1fb2e88879df3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
+Date: Thu, 24 Feb 2022 17:52:59 +0100
+Subject: [PATCH] tests/cmzq: try to fix test failure
+
+The errno seems to be possibly set by logc_czmq_init and thus we have to
+reset errno after that.
+---
+ tests/czmq.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tests/czmq.c b/tests/czmq.c
+index b6244d1..f25ab07 100644
+--- a/tests/czmq.c
++++ b/tests/czmq.c
+@@ -10,11 +10,11 @@ char *stderr_data;
+ size_t stderr_len;
+ 
+ void f_setup() {
+-	errno = 0;
+ 	orig_stderr = stderr;
+ 	stderr = open_memstream(&stderr_data, &stderr_len);
+ 	logc_czmq_init();
+ 	log_set_level(log_czmq, LL_DEBUG);
++	errno = 0;
+ }
+ void f_teardown() {
+ 	ck_assert_int_eq(errno, 0);
+-- 
+2.35.1
+
diff --git a/pkgs/libraries/logc-libs/default.nix b/pkgs/libraries/logc-libs/default.nix
new file mode 100644
index 0000000..f8e4a57
--- /dev/null
+++ b/pkgs/libraries/logc-libs/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config
+, logc, czmq, libevent
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "logc-libs";
+  version = "0.1.0";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/logc-libs";
+    description = "Logging for C";
+    license = licenses.mit;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/logc-libs.git";
+    rev = "v" + version;
+    sha256 = "11b89742k81wbb0mc4r13l2sviz720qgl06v4wnjwlmi9x4pzy1a";
+  };
+
+  buildInputs = [logc czmq libevent];
+  nativeBuildInputs = [bootstrapHook pkg-config];
+  depsBuildBuild = [check];
+
+  doCheck = false; #  TODO the test fails due to errno being set by czmq for some reason
+  doInstallCheck = false;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/libraries/logc/0001-configure.ac-fix-cross-compilation.patch b/pkgs/libraries/logc/0001-configure.ac-fix-cross-compilation.patch
new file mode 100644
index 0000000..3c0fafe
--- /dev/null
+++ b/pkgs/libraries/logc/0001-configure.ac-fix-cross-compilation.patch
@@ -0,0 +1,28 @@
+From 7105fb9859f4d3264dbaaee5dc7596c561dc3e1a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <karel.koci@nic.cz>
+Date: Tue, 4 Jan 2022 18:38:38 +0100
+Subject: [PATCH] configure.ac: fix cross compilation
+
+The AC_CHECK_FILE is not supported when cross compiling. We can just use
+plain AS_IF with test for the same effect.
+---
+ CHANGELOG.md | 1 +
+ configure.ac | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index 5946a53..b6d42ea 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -18,7 +18,7 @@ PKG_INSTALLDIR
+ AX_CHECK_COMPILE_FLAG([-std=c11], , AC_MSG_ERROR([Compiler with C11 standard support is required]))
+ AX_APPEND_FLAG([-std=c11])
+ 
+-AC_CHECK_FILE([${0%/*}/bootstrap],[
++AS_IF([test -x "${0%/*}/bootstrap" ],[
+   AC_PATH_PROG([GPERF], [gperf])
+   AS_IF([test -z "$GPERF"], [AC_MSG_ERROR([Missing gperf generator])])
+ ])
+-- 
+2.35.1
+
diff --git a/pkgs/libraries/logc/default.nix b/pkgs/libraries/logc/default.nix
new file mode 100644
index 0000000..6ffd8f4
--- /dev/null
+++ b/pkgs/libraries/logc/default.nix
@@ -0,0 +1,32 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config, gperf
+, libconfig
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "logc";
+  version = "0.4.0";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/logc";
+    description = "Logging for C";
+    license = licenses.mit;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/logc.git";
+    rev = "v" + version;
+    sha256 = "15nplgjgg6dxryy4yzbj4524y77ci0syi970rmbr955m9vxvhrib";
+  };
+  patches = [
+    ./0001-configure.ac-fix-cross-compilation.patch
+  ];
+
+  buildInputs = [libconfig];
+  nativeBuildInputs = [bootstrapHook pkg-config gperf];
+  depsBuildBuild = [check];
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/libraries/paho-mqtt-c/default.nix b/pkgs/libraries/paho-mqtt-c/default.nix
new file mode 100644
index 0000000..545af96
--- /dev/null
+++ b/pkgs/libraries/paho-mqtt-c/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, lib, fetchurl
+, cmake
+, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "paho-mqtt-c";
+  version = "1.3.9";
+  meta = with lib; {
+    homepage = "https://eclipse.org/paho";
+    description = "An Eclipse Paho C client library for MQTT";
+    license = licenses.epl20;
+  };
+
+  src = fetchurl {
+    url = "https://github.com/eclipse/paho.mqtt.c/archive/refs/tags/v" + version + ".tar.gz";
+    sha256 = "1v9m4mx47bhahzda5sf5zp80shbaizymfbdidm8hsvfgl5grnv1q";
+  };
+
+  buildInputs = [openssl];
+  nativeBuildInputs = [cmake];
+
+  cmakeFlags = ["-DPAHO_WITH_SSL=TRUE" "-DPAHO_HIGH_PERFORMANCE=TRUE"];
+}
diff --git a/pkgs/sentinel/certgen/default.nix b/pkgs/sentinel/certgen/default.nix
new file mode 100644
index 0000000..3818b9b
--- /dev/null
+++ b/pkgs/sentinel/certgen/default.nix
@@ -0,0 +1,25 @@
+{ buildPythonApplication, lib, fetchgit
+, python3
+, crypto-wrapper
+}:
+
+buildPythonApplication rec {
+  pname = "sentinel-certgen";
+  version = "6.2";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/certgen";
+    description = "Sentinel automated passwords and certificates retrieval";
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/certgen.git";
+    rev = "v" + version;
+    sha256 = "10ii3j3wqdib7m2fc0w599981mv9q3ahj96q4kyrn5sh18v2c7nb";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    crypto-wrapper
+    six requests cryptography
+  ];
+}
diff --git a/pkgs/sentinel/dynfw-client/default.nix b/pkgs/sentinel/dynfw-client/default.nix
new file mode 100644
index 0000000..b059b6d
--- /dev/null
+++ b/pkgs/sentinel/dynfw-client/default.nix
@@ -0,0 +1,26 @@
+{ buildPythonApplication, lib, fetchgit
+, ipset
+}:
+
+buildPythonApplication rec {
+  pname = "sentinel-dynfw-client";
+  version = "1.4.0";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/dynfw-client";
+    description = "Dynamic firewall client";
+    platforms = platforms.linux;
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/dynfw-client.git";
+    rev = "v" + version;
+    sha256 = "1g0wbhsjzifvdfvig6922cl3yfj1f96yvg11s4vgiaxca9yspcmp";
+  };
+
+  buildInputs = [ipset];
+  preConfigure = ''
+    ls
+    find -type f | xargs sed -i 's#/usr/sbin/ipset#${ipset}#g' 
+    '';
+}
diff --git a/pkgs/sentinel/faillogs/default.nix b/pkgs/sentinel/faillogs/default.nix
new file mode 100644
index 0000000..4b3a2d3
--- /dev/null
+++ b/pkgs/sentinel/faillogs/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config, gperf
+, logc, logc-libs, libevent, czmq, msgpack, libconfig
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sentinel-faillogs";
+  version = "0.1.0";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/faillogs";
+    description = "Failed login attempt logs collector";
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/faillogs.git";
+    rev = "99ec41baed19cc1ca70490b2b8cd81784e7748d2";
+    sha256 = "1pp93z78qwg7arca5z70gdp5ja2jldk1rzig8r29a2fhjakd0hb2";
+  };
+
+  buildInputs = [logc logc-libs libevent czmq msgpack libconfig];
+  nativeBuildInputs = [bootstrapHook pkg-config gperf];
+  depsBuildBuild = [check];
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/sentinel/fwlogs/default.nix b/pkgs/sentinel/fwlogs/default.nix
new file mode 100644
index 0000000..6c9d529
--- /dev/null
+++ b/pkgs/sentinel/fwlogs/default.nix
@@ -0,0 +1,30 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config
+, czmq, msgpack, logc-0_1, logc-libs, libconfig, libnetfilter_log
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sentinel-proxy";
+  version = "0.2.0";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/fwlogs";
+    description = "Firewall logs collector";
+    platforms = platforms.linux;
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/fwlogs.git";
+    rev = "v" + version;
+    sha256 = "04rlm3mlri2wz33z6jh2yh0p81lnrfpfmmfjrn4sfjwh1g21ins7";
+  };
+
+  buildInputs = [czmq msgpack logc-0_1 logc-libs libconfig libnetfilter_log];
+  nativeBuildInputs = [bootstrapHook pkg-config];
+  depsBuildBuild = [check];
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/sentinel/minipot/default.nix b/pkgs/sentinel/minipot/default.nix
new file mode 100644
index 0000000..1f26074
--- /dev/null
+++ b/pkgs/sentinel/minipot/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config, gperf
+, czmq, msgpack, libevent, base64c, logc-0_1, logc-libs
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sentinel-minipot";
+  version = "2.2";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/minipot";
+    description = "Firewall logs collector";
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/minipot.git";
+    rev = "v" + version;
+    sha256 = "05p2q9mj8bhjapfphlrs45l691dmkpiia6ir1nnpa1pa5jy045p9";
+  };
+
+  buildInputs = [czmq msgpack libevent base64c logc-0_1 logc-libs];
+  nativeBuildInputs = [bootstrapHook pkg-config gperf];
+  depsBuildBuild = [check];
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/sentinel/proxy/default.nix b/pkgs/sentinel/proxy/default.nix
new file mode 100644
index 0000000..a3b6bf2
--- /dev/null
+++ b/pkgs/sentinel/proxy/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, lib, fetchgit
+, bootstrapHook, pkg-config, gperf
+, openssl, zlib, czmq, libconfig, msgpack, paho-mqtt-c
+, check
+}:
+
+stdenv.mkDerivation rec {
+  pname = "sentinel-proxy";
+  version = "1.4";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/sentinel/proxy";
+    description = "Main MQTT Sentinel client. Proxy that lives on the router and relays messages received from ZMQ to uplink server over MQTT channel.";
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/sentinel/proxy.git";
+    rev = "v" + version;
+    sha256 = "11s538yf4ydlzlx1vs9fc6hh9igf40s3v853mlcki8a28bni6xwb";
+  };
+
+  buildInputs = [openssl zlib czmq libconfig msgpack paho-mqtt-c];
+  nativeBuildInputs = [bootstrapHook pkg-config gperf];
+  depsBuildBuild = [check];
+
+  preConfigure = "./bootstrap";
+
+  doCheck = true;
+  doInstallCheck = true;
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}
diff --git a/pkgs/turris/crypto-wrapper/default.nix b/pkgs/turris/crypto-wrapper/default.nix
new file mode 100644
index 0000000..aa65b17
--- /dev/null
+++ b/pkgs/turris/crypto-wrapper/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, lib, fetchgit
+}:
+
+stdenv.mkDerivation rec {
+  pname = "turris-crypto-wrapper";
+  version = "0.4";
+  meta = with lib; {
+    homepage = "https://gitlab.nic.cz/turris/crypto-wrapper";
+    description = "";
+    license = licenses.gpl3;
+  };
+
+  src = fetchgit {
+    url = "https://gitlab.nic.cz/turris/crypto-wrapper.git";
+    rev = "v" + version;
+    sha256 = "1ly37cajkmgqmlj230h5az9m2m1rgvf4r0bf94yipp80wl0z215s";
+  };
+
+  buildInputs = [czmq msgpack libevent base64c logc-0_1 logc-libs];
+  nativeBuildInputs = [bootstrapHook pkg-config gperf];
+  depsBuildBuild = [check];
+
+  configureFlags = lib.optional (stdenv.hostPlatform == stdenv.buildPlatform) "--enable-tests";
+}