From a9268421d79b30c9af5be12d2d902abcd363a60b Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 11 Mar 2019 03:24:32 +0100
Subject: implementing private key deletion (#5536)

---
 src/exchangedb/exchangedb_denomkeys.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src/exchangedb/exchangedb_denomkeys.c')

diff --git a/src/exchangedb/exchangedb_denomkeys.c b/src/exchangedb/exchangedb_denomkeys.c
index 418a1074b..32955dcc1 100644
--- a/src/exchangedb/exchangedb_denomkeys.c
+++ b/src/exchangedb/exchangedb_denomkeys.c
@@ -158,8 +158,14 @@ TALER_EXCHANGEDB_denomination_key_read (const char *filename,
   if (0 == GNUNET_TIME_absolute_get_remaining
       (GNUNET_TIME_absolute_ntoh (dki->issue.properties.expire_withdraw)).rel_value_us)
   {
-    /* FIXME: #5536: we should delete this file, the
-       private key is no longer needed (and return SYSERR!) */
+    if (0 != UNLINK (filename))
+    {
+      GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
+                                "unlink",
+                                filename);
+      return GNUNET_OK; /* yes, we had an error, but the file content
+                           was fine and is being returned */
+    }
   }
   return GNUNET_OK;
 }
-- 
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