From ec4b7f30f5f4dfbc5b2164fdb6f25ff32e841cde Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Sat, 13 Apr 2019 14:49:48 +0200
Subject: l usershadow: add setuid wrapper for check_pw

---
 lass/3modules/usershadow.nix | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/lass/3modules/usershadow.nix b/lass/3modules/usershadow.nix
index cb2890969..383b9a537 100644
--- a/lass/3modules/usershadow.nix
+++ b/lass/3modules/usershadow.nix
@@ -31,13 +31,20 @@
       session required pam_loginuid.so
     '';
 
-    security.pam.services.dovecot2.text = ''
-      auth required pam_exec.so expose_authtok ${usershadow}/bin/verify_pam ${cfg.pattern}
-      auth required pam_permit.so
-      account required pam_permit.so
-      session required pam_permit.so
-      session required pam_env.so envfile=${config.system.build.pamEnvironment}
-    '';
+    security.pam.services.dovecot2 = {
+      text = ''
+        auth required pam_exec.so debug expose_authtok log=/tmp/lol /run/wrappers/bin/shadow_verify_pam ${cfg.pattern}
+        auth required pam_permit.so
+        account required pam_permit.so
+        session required pam_permit.so
+        session required pam_env.so envfile=${config.system.build.pamEnvironment}
+      '';
+    };
+
+    security.wrappers.shadow_verify_pam = {
+      source = "${usershadow}/bin/verify_pam";
+      owner = "root";
+    };
   };
 
   usershadow = let {
-- 
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