add escrow API

1 files changed, 101 insertions, 13 deletions

diff --git a/src/escrow/escrow_api.c b/src/escrow/escrow_api.c
index 5a5891a71..4e26c8aba 100644
--- a/src/escrow/escrow_api.c
+++ b/src/escrow/escrow_api.c
@@ -25,35 +25,112 @@
  * @brief api to interact with the escrow component
  */
 
+#include "gnunet_util_lib.h"
 #include "gnunet_escrow_lib.h"
+#include "gnunet_escrow_plugin.h"
 
 
 /**
- * Put some data in escrow using the specified escrow method
+ * Init canary for the plaintext plugin
+ */
+static int plaintext_initialized;
+
+
+/**
+ * Init canary for the GNS plugin
+ */
+static int gns_initialized;
+
+
+/**
+ * Init canary for the Anastasis plugin
+ */
+static int anastasis_initialized;
+
+
+/**
+ * Pointer to the plaintext plugin API
+ */
+static struct GNUNET_ESCROW_KeyPluginFunctions *plaintext_api;
+
+
+/**
+ * Pointer to the GNS plugin API
+ */
+static struct GNUNET_ESCROW_KeyPluginFunctions *gns_api;
+
+
+/**
+ * Pointer to the Anastasis plugin API
+ */
+static struct GNUNET_ESCROW_KeyPluginFunctions *anastasis_api;
+
+
+/**
+ * Initialize an escrow plugin
  * 
- * @param ego the identity ego to put in escrow
- * @param method the escrow method to use
+ * @param method the escrow method determining the plugin
  * 
- * @return the escrow anchor needed to get the data back
+ * @return pointer to the escrow plugin API
  */
-void *
-GNUNET_ESCROW_put (const struct GNUNET_IDENTITY_Ego *ego,
-                   enum GNUNET_ESCROW_Key_Escrow_Method method)
+struct GNUNET_ESCROW_KeyPluginFunctions *
+init_plugin (enum GNUNET_ESCROW_Key_Escrow_Method method)
 {
   switch (method)
   {
     case GNUNET_ESCROW_KEY_PLAINTEXT:
-      break;
+      if (GNUNET_YES == plaintext_initialized)
+        return plaintext_api;
+      plaintext_initialized = GNUNET_YES;
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Loading PLAINTEXT escrow plugin\n");
+      plaintext_api = GNUNET_PLUGIN_load ("libgnunet_plugin_escrow_plaintext",
+                                          NULL);
+      return plaintext_api;
     case GNUNET_ESCROW_KEY_GNS:
-      break;
+      if (GNUNET_YES == gns_initialized)
+        return gns_api;
+      gns_initialized = GNUNET_YES;
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Loading GNS escrow plugin\n");
+      gns_api = GNUNET_PLUGIN_load ("libgnunet_plugin_escrow_gns",
+                                    NULL);
+      return gns_api;
     case GNUNET_ESCROW_KEY_ANASTASIS:
-      break;
+      if (GNUNET_YES == anastasis_initialized)
+        return anastasis_api;
+      anastasis_initialized = GNUNET_YES;
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Loading ANASTASIS escrow plugin\n");
+      anastasis_api = GNUNET_PLUGIN_load ("libgnunet_plugin_escrow_anastasis",
+                                          NULL);
+      return anastasis_api;
   }
+  // should never be reached
   return NULL;
 }
 
 
 /**
+ * Put some data in escrow using the specified escrow method
+ * 
+ * @param ego the identity ego to put in escrow
+ * @param method the escrow method to use
+ * 
+ * @return the escrow anchor needed to get the data back
+ */
+void *
+GNUNET_ESCROW_put (const struct GNUNET_IDENTITY_Ego *ego,
+                   enum GNUNET_ESCROW_Key_Escrow_Method method)
+{
+  struct GNUNET_ESCROW_KeyPluginFunctions *api;
+
+  api = init_plugin (method);
+  return api->start_key_escrow (ego);
+}
+
+
+/**
  * Renew the escrow of the data related to the given escrow anchor
  * 
  * @param escrowAnchor the escrow anchor returned by the GNUNET_ESCROW_put method
@@ -65,7 +142,10 @@ void *
 GNUNET_ESCROW_renew (void *escrowAnchor,
                      enum GNUNET_ESCROW_Key_Escrow_Method method)
 {
-  return NULL;
+  struct GNUNET_ESCROW_KeyPluginFunctions *api;
+
+  api = init_plugin (method);
+  return api->renew_key_escrow (escrowAnchor);
 }
 
 
@@ -73,15 +153,20 @@ GNUNET_ESCROW_renew (void *escrowAnchor,
  * Get the escrowed data back
  * 
  * @param escrowAnchor the escrow anchor returned by the GNUNET_ESCROW_put method
+ * @param egoName the name of the ego to get back
  * @param method the escrow method to use
  * 
  * @return a new identity ego restored from the escrow
  */
 const struct GNUNET_IDENTITY_Ego *
 GNUNET_ESCROW_get (void *escrowAnchor,
+                   char *egoName,
                    enum GNUNET_ESCROW_Key_Escrow_Method method)
 {
-  return NULL;
+  struct GNUNET_ESCROW_KeyPluginFunctions *api;
+
+  api = init_plugin (method);
+  return api->restore_key (escrowAnchor, egoName);
 }
 
 
@@ -99,5 +184,8 @@ GNUNET_ESCROW_verify (const struct GNUNET_IDENTITY_Ego *ego,
                       void *escrowAnchor,
                       enum GNUNET_ESCROW_Key_Escrow_Method method)
 {
-  return GNUNET_NO;
+  struct GNUNET_ESCROW_KeyPluginFunctions *api;
+
+  api = init_plugin (method);
+  return api->verify_key_escrow (ego, escrowAnchor);
 }