Move ssh ldap password to a secure location

Related issue: https://git.immae.eu/mantisbt/view.php?id=122

1 files changed, 14 insertions, 6 deletions

diff --git a/nixops/modules/ssh/default.nix b/nixops/modules/ssh/default.nix
index b28f6ca..924f86e 100644
--- a/nixops/modules/ssh/default.nix
+++ b/nixops/modules/ssh/default.nix
@@ -8,17 +8,25 @@
       AuthorizedKeysCommandUser nobody
       '';
 
+    deployment.keys = {
+      ssh-ldap = {
+        user = "nobody";
+        group = "nobody";
+        permissions = "0400";
+        text = myconfig.env.sshd.ldap.password;
+      };
+    };
+    system.activationScripts.sshd = ''
+      install -Dm400 -o nobody -g nobody -T /run/keys/ssh-ldap /etc/ssh/ldap_password
+      '';
+    # ssh is strict about parent directory having correct rights, don't
+    # move it in the nix store.
     environment.etc."ssh/ldap_authorized_keys" = let
       ldap_authorized_keys =
         mylibs.wrap {
           name = "ldap_authorized_keys";
           file = ./ldap_authorized_keys.sh;
-          vars = {
-            LDAP_PASS = myconfig.env.sshd.ldap.password;
-            GITOLITE_SHELL = "${pkgs.gitolite}/bin/gitolite-shell";
-            ECHO = "${pkgs.coreutils}/bin/echo";
-          };
-          paths = [ pkgs.openldap pkgs.stdenv.shellPackage pkgs.gnugrep pkgs.gnused pkgs.coreutils ];
+          paths = [ pkgs.which pkgs.gitolite pkgs.openldap pkgs.stdenv.shellPackage pkgs.gnugrep pkgs.gnused pkgs.coreutils ];
         };
     in {
       enable = true;