code cleanup, fixing misc. memory leaks in the process

3 files changed, 22 insertions, 50 deletions

diff --git a/src/kyclogic/plugin_kyclogic_kycaid.c b/src/kyclogic/plugin_kyclogic_kycaid.c
index 95dc4bb7..058c41e1 100644
--- a/src/kyclogic/plugin_kyclogic_kycaid.c
+++ b/src/kyclogic/plugin_kyclogic_kycaid.c
@@ -758,11 +758,12 @@ kycaid_webhook_cancel (struct TALER_KYCLOGIC_WebhookHandle *wh)
  * @param verifications JSON object with failure details
  */
 static void
-log_failure (json_t *verifications)
+log_failure (const json_t *verifications)
 {
-  json_t *member;
+  const json_t *member;
   const char *name;
-  json_object_foreach (verifications, name, member)
+
+  json_object_foreach ((json_t *) verifications, name, member)
   {
     bool iverified;
     const char *comment;
@@ -1176,7 +1177,7 @@ kycaid_webhook (void *cls,
   const char *status = NULL;
   bool verified = false;
   bool no_verified = true;
-  json_t *verifications = NULL;
+  const json_t *verifications = NULL;
   struct GNUNET_JSON_Specification spec[] = {
     GNUNET_JSON_spec_string ("request_id",
                              &request_id),
@@ -1195,8 +1196,8 @@ kycaid_webhook (void *cls,
                              &verified),
       &no_verified),
     GNUNET_JSON_spec_mark_optional (
-      GNUNET_JSON_spec_json ("verifications",
-                             &verifications),
+      GNUNET_JSON_spec_object_const ("verifications",
+                                     &verifications),
       NULL),
     GNUNET_JSON_spec_end ()
   };
@@ -1253,7 +1254,6 @@ kycaid_webhook (void *cls,
     wh->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
     wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
                                          wh);
-    GNUNET_JSON_parse_free (spec);
     return wh;
   }
   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
@@ -1267,7 +1267,6 @@ kycaid_webhook (void *cls,
     wh->response_code = MHD_HTTP_NOT_FOUND;
     wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
                                          wh);
-    GNUNET_JSON_parse_free (spec);
     return wh;
   }
   wh->verification_id = GNUNET_strdup (verification_id);
@@ -1286,7 +1285,6 @@ kycaid_webhook (void *cls,
                                                 MHD_RESPMEM_PERSISTENT);
     wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
                                          wh);
-    GNUNET_JSON_parse_free (spec);
     return wh;
   }
 
@@ -1300,7 +1298,6 @@ kycaid_webhook (void *cls,
     wh->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
     wh->task = GNUNET_SCHEDULER_add_now (&async_webhook_reply,
                                          wh);
-    GNUNET_JSON_parse_free (spec);
     return wh;
   }
 
@@ -1324,7 +1321,6 @@ kycaid_webhook (void *cls,
                                   pd->slist,
                                   &handle_webhook_finished,
                                   wh);
-  GNUNET_JSON_parse_free (spec);
   return wh;
 }
 
diff --git a/src/kyclogic/plugin_kyclogic_oauth2.c b/src/kyclogic/plugin_kyclogic_oauth2.c
index e7350f01..c9e5d8dc 100644
--- a/src/kyclogic/plugin_kyclogic_oauth2.c
+++ b/src/kyclogic/plugin_kyclogic_oauth2.c
@@ -951,12 +951,12 @@ parse_proof_success_reply (struct TALER_KYCLOGIC_ProofHandle *ph,
                            const json_t *j)
 {
   const char *state;
-  json_t *data;
+  const json_t *data;
   struct GNUNET_JSON_Specification spec[] = {
     GNUNET_JSON_spec_string ("status",
                              &state),
-    GNUNET_JSON_spec_json ("data",
-                           &data),
+    GNUNET_JSON_spec_object_const ("data",
+                                   &data),
     GNUNET_JSON_spec_end ()
   };
   enum GNUNET_GenericReturnValue res;
@@ -988,7 +988,6 @@ parse_proof_success_reply (struct TALER_KYCLOGIC_ProofHandle *ph,
     GNUNET_break_op (0);
     handle_proof_error (ph,
                         j);
-    GNUNET_JSON_parse_free (spec);
     return;
   }
   {
@@ -1016,7 +1015,6 @@ parse_proof_success_reply (struct TALER_KYCLOGIC_ProofHandle *ph,
             "Unexpected response from KYC gateway: data must contain id");
       ph->http_status
         = MHD_HTTP_BAD_GATEWAY;
-      GNUNET_JSON_parse_free (spec);
       return;
     }
     ph->status = TALER_KYCLOGIC_STATUS_SUCCESS;
@@ -1034,7 +1032,6 @@ parse_proof_success_reply (struct TALER_KYCLOGIC_ProofHandle *ph,
   }
   ph->attributes = data2attributes (ph->pd,
                                     data);
-  GNUNET_JSON_parse_free (spec);
 }
 
 
diff --git a/src/kyclogic/plugin_kyclogic_persona.c b/src/kyclogic/plugin_kyclogic_persona.c
index e14a5039..40630783 100644
--- a/src/kyclogic/plugin_kyclogic_persona.c
+++ b/src/kyclogic/plugin_kyclogic_persona.c
@@ -1113,17 +1113,17 @@ handle_proof_finished (void *cls,
       const char *inquiry_id;
       const char *account_id;
       const char *type = NULL;
-      json_t *attributes;
-      json_t *relationships;
+      const json_t *attributes;
+      const json_t *relationships;
       struct GNUNET_JSON_Specification spec[] = {
         GNUNET_JSON_spec_string ("type",
                                  &type),
         GNUNET_JSON_spec_string ("id",
                                  &inquiry_id),
-        GNUNET_JSON_spec_json ("attributes",
-                               &attributes),
-        GNUNET_JSON_spec_json ("relationships",
-                               &relationships),
+        GNUNET_JSON_spec_object_const ("attributes",
+                                       &attributes),
+        GNUNET_JSON_spec_object_const ("relationships",
+                                       &relationships),
         GNUNET_JSON_spec_end ()
       };
 
@@ -1141,7 +1141,6 @@ handle_proof_finished (void *cls,
                                  inquiry_id,
                                  "data",
                                  data);
-        GNUNET_JSON_parse_free (spec);
         break;
       }
 
@@ -1172,8 +1171,6 @@ handle_proof_finished (void *cls,
                                    inquiry_id,
                                    "data-attributes",
                                    data);
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
         {
@@ -1192,8 +1189,6 @@ handle_proof_finished (void *cls,
                                      inquiry_id,
                                      "data-attributes-reference_id",
                                      data);
-            GNUNET_JSON_parse_free (ispec);
-            GNUNET_JSON_parse_free (spec);
             break;
           }
         }
@@ -1207,8 +1202,6 @@ handle_proof_finished (void *cls,
                                    inquiry_id,
                                    "data-id",
                                    data);
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
 
@@ -1240,8 +1233,6 @@ handle_proof_finished (void *cls,
                 GNUNET_JSON_pack_object_incref ("data",
                                                 (json_t *)
                                                 data))));
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
 
@@ -1260,9 +1251,7 @@ handle_proof_finished (void *cls,
                                    j,
                                    &proof_post_conversion_cb,
                                    ph);
-        GNUNET_JSON_parse_free (ispec);
       }
-      GNUNET_JSON_parse_free (spec);
       return; /* continued in proof_post_conversion_cb */
     }
   case MHD_HTTP_BAD_REQUEST:
@@ -1649,17 +1638,17 @@ handle_webhook_finished (void *cls,
       const char *inquiry_id;
       const char *account_id;
       const char *type = NULL;
-      json_t *attributes;
-      json_t *relationships;
+      const json_t *attributes;
+      const json_t *relationships;
       struct GNUNET_JSON_Specification spec[] = {
         GNUNET_JSON_spec_string ("type",
                                  &type),
         GNUNET_JSON_spec_string ("id",
                                  &inquiry_id),
-        GNUNET_JSON_spec_json ("attributes",
-                               &attributes),
-        GNUNET_JSON_spec_json ("relationships",
-                               &relationships),
+        GNUNET_JSON_spec_object_const ("attributes",
+                                       &attributes),
+        GNUNET_JSON_spec_object_const ("relationships",
+                                       &relationships),
         GNUNET_JSON_spec_end ()
       };
 
@@ -1709,8 +1698,6 @@ handle_webhook_finished (void *cls,
           webhook_reply_error (wh,
                                inquiry_id,
                                MHD_HTTP_BAD_GATEWAY);
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
         {
@@ -1727,8 +1714,6 @@ handle_webhook_finished (void *cls,
             webhook_reply_error (wh,
                                  inquiry_id,
                                  MHD_HTTP_BAD_GATEWAY);
-            GNUNET_JSON_parse_free (ispec);
-            GNUNET_JSON_parse_free (spec);
             break;
           }
         }
@@ -1740,8 +1725,6 @@ handle_webhook_finished (void *cls,
           webhook_reply_error (wh,
                                inquiry_id,
                                MHD_HTTP_BAD_GATEWAY);
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
 
@@ -1763,8 +1746,6 @@ handle_webhook_finished (void *cls,
                                  inquiry_id,
                                  NULL,
                                  MHD_HTTP_OK);
-          GNUNET_JSON_parse_free (ispec);
-          GNUNET_JSON_parse_free (spec);
           break;
         }
 
@@ -1784,9 +1765,7 @@ handle_webhook_finished (void *cls,
                                    j,
                                    &webhook_post_conversion_cb,
                                    wh);
-        GNUNET_JSON_parse_free (ispec);
       }
-      GNUNET_JSON_parse_free (spec);
       return; /* continued in webhook_post_conversion_cb */
     }
   case MHD_HTTP_BAD_REQUEST: