From a4067cefd21f3b5c73d9ccf1cc2cbcf173374acb Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 27 Sep 2015 16:17:09 +0200
Subject: Took care of pam_auth deps for prosody

---
 custom/luaPam.nix      | 26 +++++++++++++++++++
 customized/prosody.nix | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++
 ymir.nix               | 13 +++++++---
 3 files changed, 105 insertions(+), 3 deletions(-)
 create mode 100644 custom/luaPam.nix
 create mode 100644 customized/prosody.nix

diff --git a/custom/luaPam.nix b/custom/luaPam.nix
new file mode 100644
index 00000000..f0c93e4f
--- /dev/null
+++ b/custom/luaPam.nix
@@ -0,0 +1,26 @@
+{ stdenv
+, pkgs
+, fetchgit
+}:
+
+let
+  lua = pkgs.luaPackages.lua;
+in pkgs.luaPackages.buildLuaPackage {
+  name = "lua-pam";
+  buildInputs = (with pkgs; [ pam ]);
+  src = fetchgit {
+    url = "https://github.com/devurandom/lua-pam";
+    rev = "3818ee6346a976669d74a5cbc2a83ad2585c5953";
+    sha256 = "1aci3psyxwxbls93w5b4vdhnrrp3w94i97dl8qrmjgigzbjszwvr";
+  };
+  preBuild = ''
+    makeFlagsArray=(
+    LUA_CPPFLAGS="-I${lua}/include -L${lua}/lib"
+    LUA_LIBS="-L${lua}/lib -llua"
+    );
+  '';
+  installPhase = ''
+    mkdir -p $out/lib/lua/${lua.luaversion}
+    install pam.so $out/lib/lua/${lua.luaversion}/
+  '';
+}
diff --git a/customized/prosody.nix b/customized/prosody.nix
new file mode 100644
index 00000000..4a6da4fb
--- /dev/null
+++ b/customized/prosody.nix
@@ -0,0 +1,69 @@
+{ stdenv, fetchurl, libidn, openssl, makeWrapper, fetchhg
+, lua5, luasocket, luasec, luaexpat, luafilesystem, luabitop, luaevent ? null, luazlib ? null
+, withLibevent ? true, withZlib ? true
+, extraModules ? [], extraLibs ? []
+}:
+
+assert withLibevent -> luaevent != null;
+assert withZlib -> luazlib != null;
+
+with stdenv.lib;
+
+let
+  libs        = [ luasocket luasec luaexpat luafilesystem luabitop ]
+                ++ optional withLibevent luaevent
+                ++ optional withZlib luazlib
+                ++ extraLibs;
+  getPath     = lib : type : "${lib}/lib/lua/${lua5.luaversion}/?.${type};${lib}/share/lua/${lua5.luaversion}/?.${type}";
+  getLuaPath  = lib : getPath lib "lua";
+  getLuaCPath = lib : getPath lib "so";
+  copyModule  = name : "cp -rv $communityModules/${name} $out/lib/prosody/modules/"
+  luaPath     = concatStringsSep ";" (map getLuaPath  libs);
+  luaCPath    = concatStringsSep ";" (map getLuaCPath libs);
+  copyModules = concatStringsSep ";" (map copyModule  (extraModules ++ ["mod_websocket"]));
+in
+
+stdenv.mkDerivation rec {
+  version = "0.9.8";
+  name = "prosody-${version}";
+
+  src = fetchurl {
+    url = "http://prosody.im/downloads/source/${name}.tar.gz";
+    sha256 = "0wbq4ps69l09fjb5dfjzab6i30hzpi4bvyj5kc44gf70arf42w4l";
+  };
+
+  communityModules = fetchhg {
+    url = "http://prosody-modules.googlecode.com/hg/";
+    rev = "4b55110b0aa8";
+    sha256 = "0010x2rl9f9ihy2nwqan2jdlz25433srj2zna1xh10490mc28hij";
+  };
+
+  buildInputs = [ lua5 luasocket luasec luaexpat luabitop libidn openssl makeWrapper ]
+                ++ optional withLibevent luaevent
+                ++ optional withZlib luazlib;
+
+  configureFlags = [
+    "--ostype=linux"
+    "--with-lua-include=${lua5}/include"
+    "--with-lua=${lua5}"
+  ];
+
+  postInstall = ''
+      ${copyModules}
+      wrapProgram $out/bin/prosody \
+        --set LUA_PATH '"${luaPath};"' \
+        --set LUA_CPATH '"${luaCPath};"'
+      wrapProgram $out/bin/prosodyctl \
+        --add-flags '--config "/etc/prosody/prosody.cfg.lua"' \
+        --set LUA_PATH '"${luaPath};"' \
+        --set LUA_CPATH '"${luaCPath};"'
+    '';
+
+  meta = {
+    description = "Open-source XMPP application server written in Lua";
+    license = licenses.mit;
+    homepage = http://www.prosody.im;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.flosse ];
+  };
+}
diff --git a/ymir.nix b/ymir.nix
index 71f6a87b..a538f1eb 100644
--- a/ymir.nix
+++ b/ymir.nix
@@ -1,8 +1,7 @@
 { config, pkgs, ... }:
 
 let
-  prosodyModules = pkgs.callPackage (import ./custom/prosody-modules.nix) { modules = [ "mod_auth_pam"
-                                                                                 ]; };
+  luaPam = pkgs.callPackage ./custom/luaPam.nix {};                                                                              
 in {
   imports =
     [
@@ -17,6 +16,11 @@ in {
     device = "/dev/vda";
   };
 
+  nixpkgs.config.packageOverrides = pkgs:
+    rec {
+      prosody = pkgs.callPackage ./customized/prosody.nix { extraModules = ["mod_auth_pam"]; extraLibs = [luaPam]; }
+    };
+
   environment.systemPackages = with pkgs; [
     git
     mosh
@@ -78,11 +82,14 @@ in {
   services.prosody = {
     enable = true;
     admins = [
-               "g@xmpp.li"
+               "gkleen@xmpp.li"
              ];
     allowRegistration = false;
     extraModules = [ "private"
                    ];
+    extraConfig = ''
+      authentication="pam"
+    '';
 
     virtualHosts.default = {
       enabled = true;
-- 
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