From 8aebcf283a4aecb1d058db8b4f021439e45d3685 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Tue, 22 Sep 2015 10:16:01 +0200
Subject: more leaks

---
 src/mint/taler-mint-httpd_db.c      | 20 ++++++++++++++++++++
 src/mintdb/mintdb_plugin.c          |  2 ++
 src/mintdb/plugin_mintdb_common.c   | 33 ++++++++++++++++++++++++---------
 src/mintdb/plugin_mintdb_postgres.c | 36 +++++++++++-------------------------
 4 files changed, 57 insertions(+), 34 deletions(-)

diff --git a/src/mint/taler-mint-httpd_db.c b/src/mint/taler-mint-httpd_db.c
index 5918607c5..247a84e9d 100644
--- a/src/mint/taler-mint-httpd_db.c
+++ b/src/mint/taler-mint-httpd_db.c
@@ -1265,6 +1265,11 @@ TMH_DB_execute_refresh_reveal (struct MHD_Connection *connection,
                                       &melts[j]))
     {
       GNUNET_break (0);
+      for (i=0;i<j;i++)
+      {
+        GNUNET_CRYPTO_rsa_signature_free (melts[i].coin.denom_sig.rsa_signature);
+        GNUNET_CRYPTO_rsa_public_key_free (melts[i].coin.denom_pub.rsa_public_key);
+      }
       GNUNET_free (melts);
       return TMH_RESPONSE_reply_internal_db_error (connection);
     }
@@ -1280,6 +1285,11 @@ TMH_DB_execute_refresh_reveal (struct MHD_Connection *connection,
   {
     GNUNET_break (0);
     GNUNET_free (denom_pubs);
+    for (i=0;i<refresh_session.num_oldcoins;i++)
+    {
+      GNUNET_CRYPTO_rsa_signature_free (melts[i].coin.denom_sig.rsa_signature);
+      GNUNET_CRYPTO_rsa_public_key_free (melts[i].coin.denom_pub.rsa_public_key);
+    }
     GNUNET_free (melts);
     return (MHD_YES == TMH_RESPONSE_reply_internal_db_error (connection))
         ? GNUNET_NO : GNUNET_SYSERR;
@@ -1305,10 +1315,20 @@ TMH_DB_execute_refresh_reveal (struct MHD_Connection *connection,
       for (j=0;j<refresh_session.num_newcoins;j++)
         GNUNET_CRYPTO_rsa_public_key_free (denom_pubs[j].rsa_public_key);
       GNUNET_free (denom_pubs);
+      for (i=0;i<refresh_session.num_oldcoins;i++)
+      {
+        GNUNET_CRYPTO_rsa_signature_free (melts[i].coin.denom_sig.rsa_signature);
+        GNUNET_CRYPTO_rsa_public_key_free (melts[i].coin.denom_pub.rsa_public_key);
+      }
       GNUNET_free (melts);
       return (GNUNET_NO == res) ? MHD_YES : MHD_NO;
     }
   }
+  for (i=0;i<refresh_session.num_oldcoins;i++)
+  {
+    GNUNET_CRYPTO_rsa_signature_free (melts[i].coin.denom_sig.rsa_signature);
+    GNUNET_CRYPTO_rsa_public_key_free (melts[i].coin.denom_pub.rsa_public_key);
+  }
   GNUNET_free (melts);
 
   /* Client request OK, start transaction */
diff --git a/src/mintdb/mintdb_plugin.c b/src/mintdb/mintdb_plugin.c
index 2e8d206fd..d6c33303e 100644
--- a/src/mintdb/mintdb_plugin.c
+++ b/src/mintdb/mintdb_plugin.c
@@ -77,8 +77,10 @@ TALER_MINTDB_plugin_unload (struct TALER_MINTDB_Plugin *plugin)
   if (NULL == plugin)
     return;
   lib_name = plugin->library_name;
+#if SKIP
   GNUNET_assert (NULL == GNUNET_PLUGIN_unload (lib_name,
                                                plugin));
+#endif
   GNUNET_free (lib_name);
 }
 
diff --git a/src/mintdb/plugin_mintdb_common.c b/src/mintdb/plugin_mintdb_common.c
index 99ff92ae3..bbe104f6c 100644
--- a/src/mintdb/plugin_mintdb_common.c
+++ b/src/mintdb/plugin_mintdb_common.c
@@ -127,19 +127,34 @@ common_free_melt_commitment (void *cls,
   unsigned int i;
   unsigned int k;
 
-  GNUNET_free (mc->melts);
-  for (i=0;i<mc->num_newcoins;i++)
-    GNUNET_CRYPTO_rsa_public_key_free (mc->denom_pubs[i].rsa_public_key);
-  GNUNET_free (mc->denom_pubs);
-  for (k=0;k<TALER_CNC_KAPPA;k++)
+  if (NULL != mc->melts)
+  {
+    for (i=0;i<mc->num_oldcoins;i++)
+    {
+      GNUNET_CRYPTO_rsa_signature_free (mc->melts[i].coin.denom_sig.rsa_signature);
+      GNUNET_CRYPTO_rsa_public_key_free (mc->melts[i].coin.denom_pub.rsa_public_key);
+    }
+    GNUNET_free (mc->melts);
+  }
+  if (NULL != mc->denom_pubs)
   {
     for (i=0;i<mc->num_newcoins;i++)
+      if (NULL != mc->denom_pubs[i].rsa_public_key)
+        GNUNET_CRYPTO_rsa_public_key_free (mc->denom_pubs[i].rsa_public_key);
+    GNUNET_free (mc->denom_pubs);
+  }
+  for (k=0;k<TALER_CNC_KAPPA;k++)
+  {
+    if (NULL != mc->commit_coins[k])
     {
-      GNUNET_free (mc->commit_coins[k][i].refresh_link);
-      GNUNET_free (mc->commit_coins[k][i].coin_ev);
+      for (i=0;i<mc->num_newcoins;i++)
+      {
+        GNUNET_free (mc->commit_coins[k][i].refresh_link);
+        GNUNET_free (mc->commit_coins[k][i].coin_ev);
+      }
+      GNUNET_free (mc->commit_coins[k]);
     }
-    GNUNET_free (mc->commit_coins[k]);
-    GNUNET_free (mc->commit_links[k]);
+    GNUNET_free_non_null (mc->commit_links[k]);
   }
   GNUNET_free (mc);
 }
diff --git a/src/mintdb/plugin_mintdb_postgres.c b/src/mintdb/plugin_mintdb_postgres.c
index 621108026..1347875e3 100644
--- a/src/mintdb/plugin_mintdb_postgres.c
+++ b/src/mintdb/plugin_mintdb_postgres.c
@@ -2273,12 +2273,15 @@ get_known_coin (void *cls,
     return GNUNET_YES;
   {
     struct TALER_PQ_ResultSpec rs[] = {
-      TALER_PQ_result_spec_rsa_public_key ("denom_pub", &coin_info->denom_pub.rsa_public_key),
-      TALER_PQ_result_spec_rsa_signature ("denom_sig", &coin_info->denom_sig.rsa_signature),
+      TALER_PQ_result_spec_rsa_public_key ("denom_pub",
+                                           &coin_info->denom_pub.rsa_public_key),
+      TALER_PQ_result_spec_rsa_signature ("denom_sig",
+                                          &coin_info->denom_sig.rsa_signature),
       TALER_PQ_result_spec_end
     };
 
-    if (GNUNET_OK != TALER_PQ_extract_result (result, rs, 0))
+    if (GNUNET_OK !=
+        TALER_PQ_extract_result (result, rs, 0))
     {
       PQclear (result);
       GNUNET_break (0);
@@ -2428,7 +2431,11 @@ postgres_get_refresh_melt (void *cls,
                                    &coin))
     return GNUNET_SYSERR;
   if (NULL == melt)
+  {
+    GNUNET_CRYPTO_rsa_signature_free (coin.denom_sig.rsa_signature);
+    GNUNET_CRYPTO_rsa_public_key_free (coin.denom_pub.rsa_public_key);
     return GNUNET_OK;
+  }
   melt->coin = coin;
   melt->coin_sig = coin_sig;
   melt->session_hash = *session_hash;
@@ -2974,28 +2981,7 @@ postgres_get_melt_commitment (void *cls,
   return mc;
 
  cleanup:
-  GNUNET_free_non_null (mc->melts);
-  if (NULL != mc->denom_pubs)
-  {
-    for (i=0;i<(unsigned int) mc->num_newcoins;i++)
-      if (NULL != mc->denom_pubs[i].rsa_public_key)
-        GNUNET_CRYPTO_rsa_public_key_free (mc->denom_pubs[i].rsa_public_key);
-    GNUNET_free (mc->denom_pubs);
-  }
-  for (cnc_index=0;cnc_index<TALER_CNC_KAPPA;cnc_index++)
-  {
-    if (NULL != mc->commit_coins[cnc_index])
-    {
-      for (i=0;i<(unsigned int) mc->num_newcoins;i++)
-      {
-        GNUNET_free_non_null (mc->commit_coins[cnc_index][i].refresh_link);
-        GNUNET_free_non_null (mc->commit_coins[cnc_index][i].coin_ev);
-      }
-      GNUNET_free (mc->commit_coins[cnc_index]);
-    }
-    GNUNET_free_non_null (mc->commit_links[cnc_index]);
-  }
-  GNUNET_free (mc);
+  common_free_melt_commitment (cls, mc);
   return NULL;
 }
 
-- 
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