#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_dnsparser_lib.h"
+#include "gnunet_gns_service.h"
#include "gnunet_namecache_service.h"
#include "gnunet_namestore_service.h"
#include "gnunet_namestore_plugin.h"
*/
struct NamestoreClient *client;
+ /**
+ * The nick to add to the records
+ */
+ struct GNUNET_GNSRECORD_Data *nick;
+
/**
* Key of the zone we are iterating over.
*/
GNUNET_free (no);
}
GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
- GNUNET_SERVER_client_set_user_context (nc->client, NULL);
+ GNUNET_SERVER_client_set_user_context (nc->client, (void *)NULL);
GNUNET_free (nc);
}
GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name, GSN_database));
}
+static void lookup_nick_it (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *private_key,
+ const char *label,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct GNUNET_GNSRECORD_Data **res = (cls);
+
+ int c;
+ if (0 != strcmp (label, GNUNET_GNS_MASTERZONE_STR))
+ {
+ GNUNET_break (0);
+ return;
+ }
+ for (c = 0; c < rd_count; c++)
+ {
+ if (GNUNET_GNSRECORD_TYPE_NICK == rd[c].record_type)
+ {
+ (*res) = GNUNET_malloc (rd[c].data_size + sizeof (struct GNUNET_GNSRECORD_Data));
+ (*res)->data = &(*res)[1];
+ memcpy ((char *)(*res)->data, rd[c].data, rd[c].data_size);
+ (*res)->data_size = rd[c].data_size;
+ (*res)->expiration_time = rd[c].expiration_time;
+ (*res)->flags = rd[c].flags;
+ (*res)->record_type = GNUNET_GNSRECORD_TYPE_NICK;
+ return;
+ }
+ }
+ (*res) = NULL;
+}
+
+
+static struct GNUNET_GNSRECORD_Data *
+get_nick_record (const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone)
+{
+ struct GNUNET_CRYPTO_EcdsaPublicKey pub;
+ struct GNUNET_GNSRECORD_Data *nick;
+ int res;
+
+ res = GSN_database->lookup_records (GSN_database->cls, zone,
+ GNUNET_GNS_MASTERZONE_STR, &lookup_nick_it, &nick);
+
+ if ((NULL == nick) || (GNUNET_OK != res))
+ {
+ GNUNET_CRYPTO_ecdsa_key_get_public (zone, &pub);
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "No nick name set for zone `%s'\n",
+ GNUNET_CRYPTO_ecdsa_public_key_to_string (&pub));
+ return NULL;
+ }
+
+ return nick;
+}
+
+
+static void merge_records (unsigned int rdc1,
+ const struct GNUNET_GNSRECORD_Data *rd1,
+ unsigned int rdc2,
+ const struct GNUNET_GNSRECORD_Data *rd2,
+ unsigned int *rdc_res,
+ struct GNUNET_GNSRECORD_Data **rd_res)
+{
+ int c;
+ size_t req;
+ char *data;
+ int record_offset;
+ size_t data_offset;
+ (*rdc_res) = rdc1 + rdc2;
+
+ if (0 == rdc1 + rdc2)
+ {
+ (*rd_res) = NULL;
+ return;
+ }
+
+ req = 0;
+ for (c=0; c< rdc1; c++)
+ req += sizeof (struct GNUNET_GNSRECORD_Data) + rd1[c].data_size;
+ for (c=0; c< rdc2; c++)
+ req += sizeof (struct GNUNET_GNSRECORD_Data) + rd2[c].data_size;
+ (*rd_res) = GNUNET_malloc (req);
+ data = (char *) &(*rd_res)[rdc1 + rdc2];
+ data_offset = 0;
+
+ for (c=0; c< rdc1; c++)
+ {
+ (*rd_res)[c] = rd1[c];
+ (*rd_res)[c].data = (void *) &data[data_offset];
+ memcpy ((void *) (*rd_res)[c].data, rd1[c].data, rd1[c].data_size);
+ data_offset += (*rd_res)[c].data_size;
+ }
+ record_offset = rdc1;
+ for (c=0; c< rdc2; c++)
+ {
+ (*rd_res)[c+record_offset] = rd2[c];
+ (*rd_res)[c+record_offset].data = (void *) &data[data_offset];
+ memcpy ((void *) (*rd_res)[c+record_offset].data, rd2[c].data, rd2[c].data_size);
+ data_offset += (*rd_res)[c+record_offset].data_size;
+ }
+ GNUNET_assert (req == (sizeof (struct GNUNET_GNSRECORD_Data)) * (*rdc_res) + data_offset);
+}
+
+
+
/**
* Generate a 'struct LookupNameResponseMessage' and send it to the
* given client using the given notification context.
const struct GNUNET_GNSRECORD_Data *rd)
{
struct RecordResultMessage *zir_msg;
+ struct GNUNET_GNSRECORD_Data *nick;
+ struct GNUNET_GNSRECORD_Data *res;
+ unsigned int res_count;
size_t name_len;
size_t rd_ser_len;
size_t msg_size;
char *name_tmp;
char *rd_ser;
+ nick = get_nick_record (zone_key);
+ if ((NULL != nick) && (0 != strcmp(name, GNUNET_GNS_MASTERZONE_STR)))
+ {
+ nick->flags = (nick->flags | GNUNET_GNSRECORD_RF_PRIVATE) ^ GNUNET_GNSRECORD_RF_PRIVATE;
+ merge_records (rd_count,rd, 1, nick, &res_count, &res);
+ GNUNET_free (nick);
+ }
+ else
+ {
+ res_count = rd_count;
+ res = (struct GNUNET_GNSRECORD_Data *) rd;
+ }
+
name_len = strlen (name) + 1;
- rd_ser_len = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
+ rd_ser_len = GNUNET_GNSRECORD_records_get_size (res_count, res);
msg_size = sizeof (struct RecordResultMessage) + name_len + rd_ser_len;
(void) client_lookup (client);
zir_msg = GNUNET_malloc (msg_size);
zir_msg->gns_header.header.size = htons (msg_size);
zir_msg->gns_header.r_id = htonl (request_id);
zir_msg->name_len = htons (name_len);
- zir_msg->rd_count = htons (rd_count);
+ zir_msg->rd_count = htons (res_count);
zir_msg->rd_len = htons (rd_ser_len);
zir_msg->private_key = *zone_key;
name_tmp = (char *) &zir_msg[1];
memcpy (name_tmp, name, name_len);
rd_ser = &name_tmp[name_len];
- GNUNET_GNSRECORD_records_serialize (rd_count, rd, rd_ser_len, rd_ser);
+ GNUNET_GNSRECORD_records_serialize (res_count, res, rd_ser_len, rd_ser);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sending `%s' message with %u records and size %u\n",
"RECORD_RESULT",
client,
&zir_msg->gns_header.header,
GNUNET_NO);
+ if (rd != res)
+ GNUNET_free (res);
GNUNET_free (zir_msg);
}
GNUNET_free (block);
}
+
+struct RecordLookupContext
+{
+ const char *label;
+
+ int found;
+
+ unsigned int res_rd_count;
+
+ size_t rd_ser_len;
+
+ char *res_rd;
+
+ struct GNUNET_GNSRECORD_Data *nick;
+};
+
+
+
+static void
+lookup_it (void *cls, const struct GNUNET_CRYPTO_EcdsaPrivateKey *private_key,
+ const char *label, unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RecordLookupContext *rlc = cls;
+ struct GNUNET_GNSRECORD_Data *rd_res;
+ unsigned int rdc_res;
+
+ if (0 == strcmp (label, rlc->label))
+ {
+ rlc->found = GNUNET_YES;
+ if (0 != rd_count)
+ {
+ if ((NULL != rlc->nick) && (0 != strcmp(label, GNUNET_GNS_MASTERZONE_STR)))
+ {
+ /* Merge */
+ rd_res = NULL;
+ rdc_res = 0;
+ rlc->nick->flags = (rlc->nick->flags | GNUNET_GNSRECORD_RF_PRIVATE) ^ GNUNET_GNSRECORD_RF_PRIVATE;
+ merge_records (rd_count, rd,
+ 1, rlc->nick,
+ &rdc_res, &rd_res);
+
+ rlc->rd_ser_len = GNUNET_GNSRECORD_records_get_size (rdc_res, rd_res);
+ rlc->res_rd_count = rdc_res;
+ rlc->res_rd = GNUNET_malloc (rlc->rd_ser_len);
+ GNUNET_GNSRECORD_records_serialize (rdc_res, rd_res, rlc->rd_ser_len , rlc->res_rd);
+
+ GNUNET_free (rd_res);
+ GNUNET_free (rlc->nick);
+ rlc->nick = NULL;
+ }
+ else
+ {
+ rlc->rd_ser_len = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
+ rlc->res_rd_count = rd_count;
+ rlc->res_rd = GNUNET_malloc (rlc->rd_ser_len);
+ GNUNET_GNSRECORD_records_serialize (rd_count, rd, rlc->rd_ser_len , rlc->res_rd);
+ }
+ }
+ else
+ {
+ rlc->rd_ser_len = 0;
+ rlc->res_rd_count = 0;
+ rlc->res_rd = NULL;
+ }
+ }
+}
+
+
+
+
+
/**
* Handles a #GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_LOOKUP message
*
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- const struct LabelLookupMessage * ll_msg;
+ const struct LabelLookupMessage *ll_msg;
+ struct LabelLookupResponseMessage *llr_msg;
+ struct RecordLookupContext rlc;
const char *name_tmp;
- uint32_t rid;
+ char *res_name;
uint32_t name_len;
- size_t msg_size;
+ size_t src_size;
+ size_t res_size;
+ int res;
if (ntohs (message->size) < sizeof (struct LabelLookupMessage))
{
}
ll_msg = (const struct LabelLookupMessage *) message;
- rid = ntohl (ll_msg->gns_header.r_id);
- name_len = ntohs (ll_msg->label_len);
- msg_size = ntohs (message->size);
+ name_len = ntohl (ll_msg->label_len);
+ src_size = ntohs (message->size);
- if (name_len != msg_size - sizeof (struct LabelLookupMessage))
+ if (name_len != src_size - sizeof (struct LabelLookupMessage))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
+ name_tmp = (const char *) &ll_msg[1];
+ if ('\0' != name_tmp[name_len -1])
{
GNUNET_break (0);
GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
- name_tmp = &ll_msg[1];
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received `%s' message for name `%s'\n",
"NAMESTORE_RECORD_LOOKUP", name_tmp);
+
+ if (NULL == (client_lookup (client)))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+
+ rlc.label = name_tmp;
+ rlc.found = GNUNET_NO;
+ rlc.res_rd_count = 0;
+ rlc.res_rd = NULL;
+ rlc.rd_ser_len = 0;
+ rlc.nick = get_nick_record (&ll_msg->zone);
+
+ res = GSN_database->lookup_records (GSN_database->cls,
+ &ll_msg->zone, name_tmp, &lookup_it, &rlc);
+
+ res_size = sizeof (struct LabelLookupResponseMessage) + name_len + rlc.rd_ser_len;
+ llr_msg = GNUNET_malloc (res_size);
+ llr_msg->gns_header.header.size = htons (res_size);
+ llr_msg->gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_LOOKUP_RESPONSE);
+ llr_msg->gns_header.r_id = ll_msg->gns_header.r_id;
+ llr_msg->private_key = ll_msg->zone;
+ llr_msg->name_len = htons (name_len);
+ llr_msg->rd_count = htons (rlc.res_rd_count);
+ llr_msg->rd_len = htons (rlc.rd_ser_len);
+ res_name = (char *) &llr_msg[1];
+ if ((GNUNET_YES == rlc.found) && (GNUNET_OK == res))
+ llr_msg->found = ntohs (GNUNET_YES);
+ else
+ llr_msg->found = ntohs (GNUNET_NO);
+ memcpy (&llr_msg[1], name_tmp, name_len);
+ memcpy (&res_name[name_len], rlc.res_rd, rlc.rd_ser_len);
+
+ GNUNET_SERVER_notification_context_unicast (snc, client, &llr_msg->gns_header.header,
+ GNUNET_NO);
+
+ GNUNET_free_non_null (rlc.res_rd);
+ GNUNET_free (llr_msg);
}
/**
* Context for record remove operations passed from
- * #run_zone_iteration_round to #zone_iteraterate_proc as closure
+ * #run_zone_iteration_round to #zone_iterate_proc as closure
*/
struct ZoneIterationProcResult
{
* @param rd record data
*/
static void
-zone_iteraterate_proc (void *cls,
+zone_iterate_proc (void *cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
const char *name,
unsigned int rd_count,
? NULL
: &zi->zone,
zi->offset,
- &zone_iteraterate_proc, &proc)))
+ &zone_iterate_proc, &proc)))
{
GNUNET_break (0);
break;
zi->offset = 0;
zi->client = nc;
zi->zone = zis_msg->zone;
+
+
GNUNET_CONTAINER_DLL_insert (nc->op_head, nc->op_tail, zi);
run_zone_iteration_round (zi);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
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