From dc6d3af99aba4a81a2578cd10ccbc63603381ac5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Mon, 11 Nov 2019 10:10:06 +0100
Subject: Fix rspamc-dovecot deliver

---
 modules/private/mail/postfix.nix | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'modules/private/mail')

diff --git a/modules/private/mail/postfix.nix b/modules/private/mail/postfix.nix
index 1386f85..fcb0ce2 100644
--- a/modules/private/mail/postfix.nix
+++ b/modules/private/mail/postfix.nix
@@ -249,10 +249,19 @@
             # its checks "per user" (milter is not yet dispatched to
             # users), so we wrap dovecot-lda inside rspamc per recipient
             # here.
-            dovecot_exe = "${pkgs.dovecot}/libexec/dovecot/dovecot-lda -f \${sender} -a \${original_recipient} -d \${user}@\${nexthop}";
+            rspamc_dovecot = pkgs.writeScriptBin "rspamc_dovecot" ''
+              #! ${pkgs.stdenv.shell}
+              sender="$1"
+              original_recipient="$2"
+              user="$3"
+
+              ${pkgs.coreutils}/bin/cat - | \
+                (${pkgs.rspamd}/bin/rspamc -h ${config.myServices.mail.rspamd.sockets.worker-controller} -c bayes -d "$user" --mime || true) | \
+                ${pkgs.dovecot}/libexec/dovecot/dovecot-lda -f "$sender" -a "$original_recipient" -d "$user"
+              '';
           in [
             "flags=DRhu" "user=vhost:vhost"
-            "argv=${pkgs.rspamd}/bin/rspamc -h ${config.myServices.mail.rspamd.sockets.worker-controller} -c bayes -d \${user}@\${nexthop} --mime --exec {${dovecot_exe}}"
+            "argv=${rspamc_dovecot}/bin/rspamc_dovecot \${sender} \${original_recipient} \${user}@\${nexthop}"
           ];
         };
       };
-- 
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