/**
* Calculate the DHT query for a given @a label in a given @a zone.
*
* @param pub public key of the zone
* @param label label of the record
* @param query hash to use for the query
*/
void
GNUNET_GNSRECORD_query_from_public_key (const struct GNUNET_CRYPTO_EcdsaPublicKey *pub,
const char *label,
struct GNUNET_HashCode *query)
{
struct GNUNET_CRYPTO_EcdsaPublicKey pd;
GNUNET_CRYPTO_ecdsa_public_key_derive (pub, label, "gns", &pd);
GNUNET_CRYPTO_hash (&pd, sizeof (pd), query);
}
/**
* If necessary, connect to the datastore and remove the KBlocks.
*
* @param uc context for the unindex operation.
*/
void
GNUNET_FS_unindex_do_remove_kblocks_ (struct GNUNET_FS_UnindexContext *uc)
{
const char *keyword;
const struct GNUNET_CRYPTO_EcdsaPrivateKey *anon;
struct GNUNET_CRYPTO_EcdsaPublicKey anon_pub;
struct GNUNET_CRYPTO_EcdsaPublicKey dpub;
if (NULL == uc->dsh)
uc->dsh = GNUNET_DATASTORE_connect (uc->h->cfg);
if (NULL == uc->dsh)
{
uc->state = UNINDEX_STATE_ERROR;
uc->emsg = GNUNET_strdup (_("Failed to connect to `datastore' service."));
GNUNET_FS_unindex_sync_ (uc);
signal_unindex_error (uc);
return;
}
if ( (NULL == uc->ksk_uri) ||
(uc->ksk_offset >= uc->ksk_uri->data.ksk.keywordCount) )
{
unindex_finish (uc);
return;
}
anon = GNUNET_CRYPTO_ecdsa_key_get_anonymous ();
GNUNET_CRYPTO_ecdsa_key_get_public (anon,
&anon_pub);
keyword = &uc->ksk_uri->data.ksk.keywords[uc->ksk_offset][1];
GNUNET_CRYPTO_ecdsa_public_key_derive (&anon_pub,
keyword,
"fs-ublock",
&dpub);
GNUNET_CRYPTO_hash (&dpub,
sizeof (dpub),
&uc->uquery);
uc->dqe = GNUNET_DATASTORE_get_key (uc->dsh,
uc->roff++,
&uc->uquery,
GNUNET_BLOCK_TYPE_FS_UBLOCK,
0 /* priority */,
1 /* queue size */,
GNUNET_TIME_UNIT_FOREVER_REL,
&process_kblock_for_unindex,
uc);
}
