From 8fe9edb11728c34de80242b438cbb0d75e26a04d Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 26 Feb 2022 01:57:13 +0100
Subject: -hack up GET/PUT signatures, still broken by design

---
 src/include/gnunet_dht_service.h | 51 +++++++++++++++++++++++++++++++++-------
 1 file changed, 43 insertions(+), 8 deletions(-)

(limited to 'src/include')

diff --git a/src/include/gnunet_dht_service.h b/src/include/gnunet_dht_service.h
index e0f9f6fc3..4e14d981d 100644
--- a/src/include/gnunet_dht_service.h
+++ b/src/include/gnunet_dht_service.h
@@ -118,10 +118,10 @@ GNUNET_NETWORK_STRUCT_BEGIN
 /**
  * Message signed by a peer when doing path tracking.
  */
-struct GNUNET_DHT_HopSignature
+struct GNUNET_DHT_PutHopSignature
 {
   /**
-   * Must be #GNUNET_SIGNATURE_PURPOSE_DHT_HOP.
+   * Must be #GNUNET_SIGNATURE_PURPOSE_DHT_PUT_HOP.
    */
   struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
 
@@ -131,9 +131,43 @@ struct GNUNET_DHT_HopSignature
   struct GNUNET_TIME_AbsoluteNBO expiration_time;
 
   /**
-   * Key of the block.
+   * Hash over the payload of the block.
+   */
+  struct GNUNET_HashCode h_data;
+
+  /**
+   * Previous hop the message was received from.  All zeros
+   * if this peer was the initiator.
    */
-  struct GNUNET_HashCode key;
+  struct GNUNET_PeerIdentity pred;
+
+  /**
+   * Next hop the message was forwarded to.
+   */
+  struct GNUNET_PeerIdentity succ;
+};
+
+
+/**
+ * Message signed by a peer when doing path tracking
+ * for RESULT (GET) hops.
+ */
+struct GNUNET_DHT_ResultHopSignature
+{
+  /**
+   * Must be #GNUNET_SIGNATURE_PURPOSE_DHT_RESULT_HOP.
+   */
+  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
+
+  /**
+   * Expiration time of the block.
+   */
+  struct GNUNET_TIME_AbsoluteNBO expiration_time;
+
+  /**
+   * Query hash of the GET that is being answered.
+   */
+  struct GNUNET_HashCode query_hash;
 
   /**
    * Hash over the payload of the block.
@@ -181,6 +215,7 @@ struct GNUNET_DHT_PathElement
 
 };
 
+
 GNUNET_NETWORK_STRUCT_END
 
 /**
@@ -266,7 +301,7 @@ GNUNET_DHT_put_cancel (struct GNUNET_DHT_PutHandle *ph);
  *
  * @param cls closure
  * @param exp when will this value expire
- * @param key key of the result
+ * @param query_hash key of the query
  * @param get_path peers on reply path (or NULL if not recorded)
  *                 [0] = datastore's first neighbor, [length - 1] = local peer
  * @param get_path_length number of entries in @a get_path
@@ -282,7 +317,7 @@ GNUNET_DHT_put_cancel (struct GNUNET_DHT_PutHandle *ph);
 typedef void
 (*GNUNET_DHT_GetIterator) (void *cls,
                            struct GNUNET_TIME_Absolute exp,
-                           const struct GNUNET_HashCode *key,
+                           const struct GNUNET_HashCode *query_hash,
                            const struct GNUNET_DHT_PathElement *get_path,
                            unsigned int get_path_length,
                            const struct GNUNET_DHT_PathElement *put_path,
@@ -487,7 +522,7 @@ GNUNET_DHT_pp2s (const struct GNUNET_DHT_PathElement *path,
  * the last signature on the path is never verified as that is the slot where
  * our peer (@a me) would need to sign.
  *
- * @param key key of the data (not necessarily the query hash)
+ * @param query_hash the query hash, not necessarily the key of the block
  * @param data payload (the block)
  * @param data_size number of bytes in @a data
  * @param exp_time expiration time of @a data
@@ -501,7 +536,7 @@ GNUNET_DHT_pp2s (const struct GNUNET_DHT_PathElement *path,
  *         @a get_path_len + @a put_path_len - 1 if no signature was valid
  */
 unsigned int
-GNUNET_DHT_verify_path (const struct GNUNET_HashCode *key,
+GNUNET_DHT_verify_path (const struct GNUNET_HashCode *query_hash,
                         const void *data,
                         size_t data_size,
                         struct GNUNET_TIME_Absolute exp_time,
-- 
cgit v1.2.3