Make ssh ldap connection by modules

2 files changed, 37 insertions, 0 deletions

diff --git a/modules/private/gitolite/default.nix b/modules/private/gitolite/default.nix
index dc068b7..94ab134 100644
--- a/modules/private/gitolite/default.nix
+++ b/modules/private/gitolite/default.nix
@@ -11,6 +11,10 @@ in {
   };
 
   config = lib.mkIf cfg.enable {
+    myServices.ssh.modules = [{
+      snippet = builtins.readFile ./ldap_gitolite.sh;
+      dependencies = [ pkgs.gitolite ];
+    }];
     services.backup.profiles.gitolite = {
       rootDir = cfg.gitoliteDir;
     };
diff --git a/modules/private/gitolite/ldap_gitolite.sh b/modules/private/gitolite/ldap_gitolite.sh
new file mode 100644
index 0000000..23cb2bf
--- /dev/null
+++ b/modules/private/gitolite/ldap_gitolite.sh
@@ -0,0 +1,33 @@
+### This snippet is not standalone and must be integrated in the global ldap_authorized_keys.sh
+LDAP_GITOLITE_MEMBER="cn=users,cn=gitolite,ou=services,dc=immae,dc=eu"
+GITOLITE_SHELL=$(which gitolite-shell)
+
+if [[ $user == gitolite ]]; then
+  ldap_search '(&(memberOf='$LDAP_GITOLITE_MEMBER')('$KEY'=*))' $KEY | \
+    while read line ;
+    do
+      if [ ! -z "$line" ]; then
+        if [[ $line == dn* ]]; then
+          user=$(sed -n 's/.*uid=\([^,]*\).*/\1/p' <<< "$line")
+          if [ -n "$user" ]; then
+            if [[ $user == "immae" ]] || [[ $user == "denise" ]]; then
+              # Capitalize first letter (backward compatibility)
+              user=$(sed -r 's/^([a-z])/\U\1/' <<< "$user")
+            fi
+          else
+            # Service fake user
+            user=$(sed -n 's/.*cn=\([^,]*\).*/\1/p' <<< "$line")
+          fi
+        elif [[ $line == $KEY* ]]; then
+          key=$(clean_key_line git "$line")
+          if [ ! -z "$key" ]; then
+            if [[ $key != *$'\n'* ]] && [[ $key == ssh-* ]]; then
+              echo -n 'command="'$GITOLITE_SHELL' '$user'",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty '
+              echo $key
+            fi
+          fi
+        fi
+      fi
+    done
+  exit 0
+fi