Preparation for Reference Type

1 files changed, 104 insertions, 0 deletions

diff --git a/src/reclaim/json_reclaim.c b/src/reclaim/json_reclaim.c
index a0016bac8..552ca0e69 100644
--- a/src/reclaim/json_reclaim.c
+++ b/src/reclaim/json_reclaim.c
@@ -374,3 +374,107 @@ GNUNET_RECLAIM_JSON_spec_claim_attest (struct
   *attr = NULL;
   return ret;
 }
+
+/**
+   * Parse given JSON object to an attestation claim
+   *
+   * @param cls closure, NULL
+   * @param root the json object representing data
+   * @param spec where to write the data
+   * @return #GNUNET_OK upon successful parsing; #GNUNET_SYSERR upon error
+   */
+static int
+parse_attest_ref (void *cls, json_t *root, struct
+                  GNUNET_JSON_Specification *spec)
+{
+  struct GNUNET_RECLAIM_ATTESTATION_REFERENCE *attr;
+  const char *name_str = NULL;
+  const char *ref_val_str = NULL;
+  const char *ref_id_str = NULL;
+  const char *id_str = NULL;
+  int unpack_state;
+
+  GNUNET_assert (NULL != root);
+
+  if (! json_is_object (root))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Error json is not array nor object!\n");
+    return GNUNET_SYSERR;
+  }
+  // interpret single reference
+  unpack_state = json_unpack (root,
+                              "{s:s, s?s, s:s, s:s!}",
+                              "name",
+                              &name_str,
+                              "id",
+                              &id_str,
+                              "ref_id",
+                              &ref_id_str,
+                              "ref_value",
+                              &ref_val_str);
+  if ((0 != unpack_state) || (NULL == name_str) || (NULL == ref_val_str) ||
+      (NULL == ref_id_str))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Error json object has a wrong format!\n");
+    return GNUNET_SYSERR;
+  }
+
+  attr = GNUNET_RECLAIM_ATTESTATION_reference_new (name_str, ref_val_str);
+
+  attr->id = 0;
+
+  if ((NULL == ref_id_str) || (0 == strlen (ref_id_str)))
+    attr->id_attest = 0;
+  else
+    GNUNET_STRINGS_string_to_data (ref_id_str,
+                                   strlen (ref_id_str),
+                                   &attr->id_attest,
+                                   sizeof(uint64_t));
+
+  *(struct GNUNET_RECLAIM_ATTESTATION_REFERENCE **) spec->ptr = attr;
+  return GNUNET_OK;
+}
+
+/**
+ * Cleanup data left from parsing RSA public key.
+ *
+ * @param cls closure, NULL
+ * @param[out] spec where to free the data
+ */
+static void
+clean_attest_ref (void *cls, struct GNUNET_JSON_Specification *spec)
+{
+  struct GNUNET_RECLAIM_ATTESTATION_REFERENCE **attr;
+
+  attr = (struct GNUNET_RECLAIM_ATTESTATION_REFERENCE **) spec->ptr;
+  if (NULL != *attr)
+  {
+    GNUNET_free (*attr);
+    *attr = NULL;
+  }
+}
+
+/**
+ * JSON Specification for Reclaim attestation references.
+ *
+ * @param ticket struct of GNUNET_RECLAIM_ATTESTATION_REFERENCE to fill
+ * @return JSON Specification
+ */
+struct GNUNET_JSON_Specification
+GNUNET_RECLAIM_JSON_spec_claim_attest_ref (struct
+                                           GNUNET_RECLAIM_ATTESTATION_REFERENCE
+                                           **attr)
+{
+  struct GNUNET_JSON_Specification ret = { .parser = &parse_attest_ref,
+                                           .cleaner = &clean_attest_ref,
+                                           .cls = NULL,
+                                           .field = NULL,
+                                           .ptr = attr,
+                                           .ptr_size = 0,
+                                           .size_ptr = NULL };
+
+  *attr = NULL;
+  return ret;
+}
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