*
* Initialy set to 0 in handle_iteration_start
* Incremented with by every call to handle_iteration_next
- *
*/
uint32_t offset;
/**
* Configuration handle.
*/
-const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
+static const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
/**
* Database handle
*/
-struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
+static struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
/**
* Zonefile directory
* Keys are the GNUNET_CRYPTO_HashCode of the GNUNET_CRYPTO_ShortHashCode
* The values are 'struct GNUNET_NAMESTORE_CryptoContainer *'
*/
-struct GNUNET_CONTAINER_MultiHashMap *zonekeys;
+static struct GNUNET_CONTAINER_MultiHashMap *zonekeys;
/**
*
* @param filename where to store the zone
* @param c the crypto container containing private key of the zone
- * @return GNUNET_OK on success, GNUNET_SYSERR on fail
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
*/
static int
-write_key_to_file (const char *filename, struct GNUNET_NAMESTORE_CryptoContainer *c)
+write_key_to_file (const char *filename,
+ struct GNUNET_NAMESTORE_CryptoContainer *c)
{
struct GNUNET_CRYPTO_RsaPrivateKey *ret = c->privkey;
struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded *enc;
struct GNUNET_DISK_FileHandle *fd;
+ struct GNUNET_CRYPTO_ShortHashCode zone;
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pubkey;
+ struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
- if (GNUNET_YES == GNUNET_DISK_file_test (filename))
+ fd = GNUNET_DISK_file_open (filename,
+ GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_FAILIFEXISTS,
+ GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
+ if ( (NULL == fd) && (EEXIST == errno) )
{
- struct GNUNET_CRYPTO_ShortHashCode zone;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pubkey;
- struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
-
- privkey = GNUNET_CRYPTO_rsa_key_create_from_file(filename);
- if (privkey == NULL)
+ privkey = GNUNET_CRYPTO_rsa_key_create_from_file (filename);
+ if (NULL == privkey)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("File zone `%s' but corrupt content already exists, failed to write! \n"),
- GNUNET_short_h2s (&zone));
+ _("Failed to write zone key to file `%s': %s\n"),
+ filename,
+ _("file exists but reading key failed"));
return GNUNET_SYSERR;
}
-
GNUNET_CRYPTO_rsa_key_get_public (privkey, &pubkey);
GNUNET_CRYPTO_short_hash (&pubkey, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone);
GNUNET_CRYPTO_rsa_key_free (privkey);
-
if (0 == memcmp (&zone, &c->zone, sizeof(zone)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("File zone `%s' containing this key already exists\n"), GNUNET_short_h2s (&zone));
- return GNUNET_OK;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("File zone `%s' but different zone key already exists, failed to write! \n"),
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "File zone `%s' containing this key already exists\n",
GNUNET_short_h2s (&zone));
return GNUNET_OK;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to write zone key to file `%s': %s\n"),
+ filename,
+ _("file exists with different key"));
+ return GNUNET_OK;
}
- fd = GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_FAILIFEXISTS, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
if (NULL == fd)
{
- if (errno == EEXIST)
- {
- if (GNUNET_YES != GNUNET_DISK_file_test (filename))
- {
- /* must exist but not be accessible, fail for good! */
- if (0 != ACCESS (filename, R_OK))
- LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "access", filename);
- else
- GNUNET_break (0); /* what is going on!? */
- return GNUNET_SYSERR;
- }
- }
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "open", filename);
return GNUNET_SYSERR;
}
-
if (GNUNET_YES != GNUNET_DISK_file_lock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded), GNUNET_YES))
{
- GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
+ GNUNET_break (GNUNET_YES == GNUNET_DISK_file_close (fd));
return GNUNET_SYSERR;
}
enc = GNUNET_CRYPTO_rsa_encode_key (ret);
- GNUNET_assert (enc != NULL);
+ GNUNET_assert (NULL != enc);
GNUNET_assert (ntohs (enc->len) == GNUNET_DISK_file_write (fd, enc, ntohs (enc->len)));
GNUNET_free (enc);
GNUNET_DISK_file_sync (fd);
if (GNUNET_YES != GNUNET_DISK_file_unlock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded)))
LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fcntl", filename);
GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Stored zonekey for zone `%s' in file `%s'\n",
GNUNET_short_h2s(&c->zone), c->filename);
/**
- * Write all zone keys to disk.
- * Iterates over all entries of the hashmap 'zonekeys'
+ * Write allthe given zone key to disk and then removes the entry from the
+ * 'zonekeys' hash map.
*
* @param cls unused
* @param key zone key
void *value)
{
struct GNUNET_NAMESTORE_CryptoContainer *c = value;
- if (c->filename != NULL)
- write_key_to_file(c->filename, c);
- else
- {
- GNUNET_asprintf(&c->filename, "%s/%s.zkey", zonefile_directory, GNUNET_short_h2s (&c->zone));
- write_key_to_file(c->filename, c);
- }
+ if (NULL == c->filename)
+ GNUNET_asprintf(&c->filename,
+ "%s/%s.zkey",
+ zonefile_directory,
+ GNUNET_short_h2s (&c->zone));
+ (void) write_key_to_file(c->filename, c);
GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (zonekeys, key, value));
GNUNET_CRYPTO_rsa_key_free (c->privkey);
GNUNET_free (c->pubkey);
GNUNET_free (c->filename);
GNUNET_free (c);
-
return GNUNET_OK;
}
/**
- * Returns the expiration time of the given block of records
- * The block expiration time is the expiration time of the block with smallest
- * expiration time
+ * Returns the expiration time of the given block of records. The block
+ * expiration time is the expiration time of the block with smallest
+ * expiration time.
*
* @param rd_count number of records given in 'rd'
* @param rd array of records
get_block_expiration_time (unsigned int rd_count, const struct GNUNET_NAMESTORE_RecordData *rd)
{
unsigned int c;
- struct GNUNET_TIME_Absolute expire = GNUNET_TIME_UNIT_FOREVER_ABS;
+ struct GNUNET_TIME_Absolute expire;
struct GNUNET_TIME_Absolute at;
struct GNUNET_TIME_Relative rt;
if (NULL == rd)
return GNUNET_TIME_UNIT_ZERO_ABS;
+ expire = GNUNET_TIME_UNIT_FOREVER_ABS;
for (c = 0; c < rd_count; c++)
{
if (0 != (rd[c].flags & GNUNET_NAMESTORE_RF_RELATIVE_EXPIRATION))
return expire;
}
+
/**
* Task run during shutdown.
*
static void
cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping namestore service\n");
struct GNUNET_NAMESTORE_ZoneIteration *no;
- struct GNUNET_NAMESTORE_ZoneIteration *tmp;
struct GNUNET_NAMESTORE_Client *nc;
- struct GNUNET_NAMESTORE_Client *next;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping namestore service\n");
if (NULL != snc)
{
GNUNET_SERVER_notification_context_destroy (snc);
snc = NULL;
}
- GNUNET_CONTAINER_multihashmap_iterate(zonekeys, &zone_to_disk_it, NULL);
- GNUNET_CONTAINER_multihashmap_destroy(zonekeys);
-
- for (nc = client_head; nc != NULL; nc = next)
+ GNUNET_CONTAINER_multihashmap_iterate (zonekeys, &zone_to_disk_it, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (zonekeys);
+ zonekeys = NULL;
+ while (NULL != (nc = client_head))
{
- next = nc->next;
- for (no = nc->op_head; no != NULL; no = tmp)
+ while (NULL != (no = nc->op_head))
{
GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
- tmp = no->next;
GNUNET_free (no);
}
GNUNET_SERVER_client_drop(nc->client);
GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
GNUNET_free (nc);
}
-
GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name, GSN_database));
GNUNET_free (db_lib_name);
- GNUNET_free_non_null(zonefile_directory);
+ db_lib_name = NULL;
+ GNUNET_free_non_null (zonefile_directory);
+ zonefile_directory = NULL;
}
+
+/**
+ * Lookup our internal data structure for a given client.
+ *
+ * @param client server client handle to use for the lookup
+ * @return our internal structure for the client, NULL if
+ * we do not have any yet
+ */
static struct GNUNET_NAMESTORE_Client *
client_lookup (struct GNUNET_SERVER_Client *client)
{
struct GNUNET_NAMESTORE_Client *nc;
GNUNET_assert (NULL != client);
-
- for (nc = client_head; nc != NULL; nc = nc->next)
- {
+ for (nc = client_head; NULL != nc; nc = nc->next)
if (client == nc->client)
- break;
- }
- return nc;
+ return nc;
+ return NULL;
}
* @param client identification of the client
*/
static void
-client_disconnect_notification (void *cls, struct GNUNET_SERVER_Client *client)
+client_disconnect_notification (void *cls,
+ struct GNUNET_SERVER_Client *client)
{
struct GNUNET_NAMESTORE_ZoneIteration *no;
struct GNUNET_NAMESTORE_Client *nc;
+
if (NULL == client)
return;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected \n", client);
-
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Client %p disconnected\n",
+ client);
nc = client_lookup (client);
-
- if ((NULL == client) || (NULL == nc))
+ if (NULL == nc)
return;
-
- no = nc->op_head;
- while (NULL != no)
+ while (NULL != (no = nc->op_head))
{
GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
GNUNET_free (no);
- no = nc->op_head;
}
-
- GNUNET_SERVER_client_drop(nc->client);
+ GNUNET_SERVER_client_drop (nc->client);
GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
GNUNET_free (nc);
- nc = NULL;
}
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n", client);
+ struct GNUNET_NAMESTORE_Client *nc;
- struct GNUNET_NAMESTORE_Client *nc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_Client));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Client %p connected\n", client);
+ if (NULL != client_lookup (client))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ nc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_Client));
nc->client = client;
GNUNET_SERVER_notification_context_add (snc, client);
- GNUNET_CONTAINER_DLL_insert(client_head, client_tail, nc);
+ GNUNET_CONTAINER_DLL_insert (client_head, client_tail, nc);
GNUNET_SERVER_client_keep (client);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
/**
- * LookupNameContext
- *
* Context for name lookups passed from 'handle_lookup_name' to
* 'handle_lookup_name_it' as closure
*/
struct GNUNET_NAMESTORE_Client *nc;
/**
- * Operation id for the name lookup
+ * Requested zone
*/
- uint32_t request_id;
+ const struct GNUNET_CRYPTO_ShortHashCode *zone;
/**
- * Requested specific record type
+ * Requested name
*/
- uint32_t record_type;
+ const char *name;
/**
- * Requested zone
+ * Operation id for the name lookup
*/
- struct GNUNET_CRYPTO_ShortHashCode *zone;
+ uint32_t request_id;
/**
- * Requested name
+ * Requested specific record type
*/
- char *name;
+ uint32_t record_type;
};
*/
static void
handle_lookup_name_it (void *cls,
- const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
- struct GNUNET_TIME_Absolute expire,
- const char *name,
- unsigned int rd_count,
- const struct GNUNET_NAMESTORE_RecordData *rd,
- const struct GNUNET_CRYPTO_RsaSignature *signature)
+ const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
+ struct GNUNET_TIME_Absolute expire,
+ const char *name,
+ unsigned int rd_count,
+ const struct GNUNET_NAMESTORE_RecordData *rd,
+ const struct GNUNET_CRYPTO_RsaSignature *signature)
{
- /* send response */
struct LookupNameContext *lnc = cls;
struct LookupNameResponseMessage *lnr_msg;
- struct GNUNET_NAMESTORE_RecordData *rd_selected = NULL;
+ struct GNUNET_NAMESTORE_RecordData *rd_selected;
struct GNUNET_NAMESTORE_CryptoContainer *cc;
- struct GNUNET_CRYPTO_RsaSignature *signature_new = NULL;
+ struct GNUNET_CRYPTO_RsaSignature *signature_new;
struct GNUNET_TIME_Absolute e;
struct GNUNET_CRYPTO_ShortHashCode zone_key_hash;
struct GNUNET_HashCode long_hash;
char *rd_tmp;
char *name_tmp;
size_t rd_ser_len;
- size_t r_size = 0;
- size_t name_len = 0;
-
- int copied_elements = 0;
- int contains_signature = GNUNET_NO;
- int authoritative = GNUNET_NO;
+ size_t r_size;
+ size_t name_len;
+ int copied_elements;
+ int contains_signature;
+ int authoritative;
int c;
- if (NULL != name)
- name_len = strlen(name) + 1;
-
+ name_len = (NULL == name) ? 0 : strlen(name) + 1;
+ copied_elements = 0;
+ rd_selected = NULL;
/* count records to copy */
- if (rd_count != 0)
+ if (0 != lnc->record_type)
{
- if (lnc->record_type != 0)
+ /* special record type needed */
+ for (c = 0; c < rd_count; c++)
+ if (rd[c].record_type == lnc->record_type)
+ copied_elements++; /* found matching record */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Found %u records with type %u for name `%s' in zone `%s'\n",
+ copied_elements,
+ lnc->record_type,
+ lnc->name,
+ GNUNET_short_h2s(lnc->zone));
+ if (copied_elements > 0)
{
- /* special record type needed */
- for (c = 0; c < rd_count; c ++)
- if (rd[c].record_type == lnc->record_type)
- copied_elements++; /* found matching record */
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records with type %u for name `%s' in zone `%s'\n",
- copied_elements, lnc->record_type, lnc->name, GNUNET_short_h2s(lnc->zone));
rd_selected = GNUNET_malloc (copied_elements * sizeof (struct GNUNET_NAMESTORE_RecordData));
copied_elements = 0;
- for (c = 0; c < rd_count; c ++)
+ for (c = 0; c < rd_count; c++)
{
- if (rd[c].record_type == lnc->record_type)
- {
- /* found matching record */
- memcpy (&rd_selected[copied_elements], &rd[c], sizeof (struct GNUNET_NAMESTORE_RecordData));
- copied_elements++;
- }
+ if (rd[c].record_type == lnc->record_type)
+ {
+ /* found matching record */
+ rd_selected[copied_elements] = rd[c]; /* shallow copy! */
+ copied_elements++;
+ }
}
}
- else
- {
- copied_elements = rd_count;
- rd_selected = (struct GNUNET_NAMESTORE_RecordData *) rd;
- }
}
else
{
- /* No results */
- copied_elements = 0;
- rd_selected = NULL;
- expire = GNUNET_TIME_UNIT_ZERO_ABS;
+ copied_elements = rd_count;
+ rd_selected = (struct GNUNET_NAMESTORE_RecordData *) rd;
}
-
- rd_ser_len = GNUNET_NAMESTORE_records_get_size(copied_elements, rd_selected);
- char rd_ser[rd_ser_len];
- GNUNET_NAMESTORE_records_serialize(copied_elements, rd_selected, rd_ser_len, rd_ser);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records for name `%s' in zone `%s'\n",
- copied_elements, lnc->name, GNUNET_short_h2s(lnc->zone));
+ // FIXME: need to adjust 'rd' from relative to absolute times!
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Found %u records for name `%s' in zone `%s'\n",
+ copied_elements,
+ lnc->name,
+ GNUNET_short_h2s (lnc->zone));
if ((copied_elements == rd_count) && (NULL != signature))
contains_signature = GNUNET_YES; /* returning all records, so include signature */
else
contains_signature = GNUNET_NO; /* returning not all records, so do not include signature */
-
+ authoritative = GNUNET_NO;
+ signature_new = NULL;
if ((NULL != zone_key) && (copied_elements == rd_count))
{
- GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_key_hash);
+ GNUNET_CRYPTO_short_hash (zone_key,
+ sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
+ &zone_key_hash);
GNUNET_CRYPTO_short_hash_double (&zone_key_hash, &long_hash);
- if (GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
+ if (NULL != (cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash)))
{
- cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash);
- e = get_block_expiration_time(rd_count, rd);
- signature_new = GNUNET_NAMESTORE_create_signature(cc->privkey, e, name, rd, rd_count);
- GNUNET_assert (signature_new != NULL);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating signature for name `%s' with %u records in zone `%s'\n",name, copied_elements, GNUNET_short_h2s(&zone_key_hash));
+ e = get_block_expiration_time (rd_count, rd);
+ signature_new = GNUNET_NAMESTORE_create_signature (cc->privkey, e, name, rd, rd_count);
+ GNUNET_assert (NULL != signature_new);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Creating signature for name `%s' with %u records in zone `%s'\n",
+ name,
+ copied_elements,
+ GNUNET_short_h2s(&zone_key_hash));
authoritative = GNUNET_YES;
}
- else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "I am not authoritative for name `%s' in zone `%s'\n",name, GNUNET_short_h2s(&zone_key_hash));
}
+ rd_ser_len = GNUNET_NAMESTORE_records_get_size (copied_elements, rd_selected);
r_size = sizeof (struct LookupNameResponseMessage) +
sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) +
name_len +
rd_ser_len;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "NAMESTORE_LOOKUP_NAME_RESPONSE");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending `%s' message\n",
+ "NAMESTORE_LOOKUP_NAME_RESPONSE");
lnr_msg = GNUNET_malloc (r_size);
lnr_msg->gns_header.header.type = ntohs (GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE);
lnr_msg->gns_header.header.size = ntohs (r_size);
lnr_msg->rd_count = htons (copied_elements);
lnr_msg->rd_len = htons (rd_ser_len);
lnr_msg->name_len = htons (name_len);
- lnr_msg->expire = GNUNET_TIME_absolute_hton(get_block_expiration_time(copied_elements, rd_selected));
+ lnr_msg->expire = GNUNET_TIME_absolute_hton (get_block_expiration_time (copied_elements,
+ rd_selected));
+ name_tmp = (char *) &lnr_msg[1];
+ memcpy (name_tmp, name, name_len);
+ rd_tmp = &name_tmp[name_len];
+ GNUNET_NAMESTORE_records_serialize (copied_elements, rd_selected, rd_ser_len, rd_tmp);
if (rd_selected != rd)
- GNUNET_free (rd_selected);
-
- if (zone_key != NULL)
- lnr_msg->public_key = (*zone_key);
- else
- memset(&lnr_msg->public_key, '\0', sizeof (lnr_msg->public_key));
+ GNUNET_free_non_null (rd_selected);
+ if (NULL != zone_key)
+ lnr_msg->public_key = *zone_key;
if (GNUNET_YES == authoritative)
- { /* use new created signature */
+ {
+ /* use new created signature */
lnr_msg->contains_sig = htons (GNUNET_YES);
- GNUNET_assert (signature_new != NULL);
+ GNUNET_assert (NULL != signature_new);
lnr_msg->signature = *signature_new;
GNUNET_free (signature_new);
}
{
/* use existing signature */
lnr_msg->contains_sig = htons (GNUNET_YES);
- GNUNET_assert (signature != NULL);
+ GNUNET_assert (NULL != signature);
lnr_msg->signature = *signature;
}
- else
- {
- /* use no signature */
- memset (&lnr_msg->signature, '\0', sizeof (lnr_msg->signature));
- }
-
- name_tmp = (char *) &lnr_msg[1];
- rd_tmp = &name_tmp[name_len];
-
- memcpy (name_tmp, name, name_len);
- memcpy (rd_tmp, rd_ser, rd_ser_len);
-
- GNUNET_SERVER_notification_context_unicast (snc, lnc->nc->client, (const struct GNUNET_MessageHeader *) lnr_msg, GNUNET_NO);
+ GNUNET_SERVER_notification_context_unicast (snc, lnc->nc->client,
+ &lnr_msg->gns_header.header,
+ GNUNET_NO);
GNUNET_free (lnr_msg);
}
+
/**
* Handles a 'GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME' message
*
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_LOOKUP_NAME");
+ const struct LookupNameMessage *ln_msg;
struct LookupNameContext lnc;
struct GNUNET_NAMESTORE_Client *nc;
size_t name_len;
- char *name;
- uint32_t rid = 0;
- uint32_t type = 0;
+ const char *name;
+ uint32_t rid;
+ uint32_t type;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' message\n",
+ "NAMESTORE_LOOKUP_NAME");
if (ntohs (message->size) < sizeof (struct LookupNameMessage))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- nc = client_lookup(client);
- if (nc == NULL)
+ if (NULL == (nc = client_lookup(client)))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- struct LookupNameMessage *ln_msg = (struct LookupNameMessage *) message;
+ ln_msg = (const struct LookupNameMessage *) message;
rid = ntohl (ln_msg->gns_header.r_id);
name_len = ntohl (ln_msg->name_len);
type = ntohl (ln_msg->record_type);
-
- if ((name_len == 0) || (name_len > 256))
+ if ((0 == name_len) || (name_len > MAX_NAME_LEN))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- name = (char *) &ln_msg[1];
+ name = (const char *) &ln_msg[1];
if (name[name_len -1] != '\0')
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- if (0 == type)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up all records for name `%s' in zone `%s'\n", name, GNUNET_short_h2s(&ln_msg->zone));
+ if (GNUNET_NAMESTORE_TYPE_ANY == type)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Looking up all records for name `%s' in zone `%s'\n",
+ name,
+ GNUNET_short_h2s(&ln_msg->zone));
else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up records with type %u for name `%s' in zone `%s'\n", type, name, GNUNET_short_h2s(&ln_msg->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Looking up records with type %u for name `%s' in zone `%s'\n",
+ type, name,
+ GNUNET_short_h2s(&ln_msg->zone));
/* do the actual lookup */
lnc.request_id = rid;
lnc.record_type = type;
lnc.name = name;
lnc.zone = &ln_msg->zone;
- GSN_database->iterate_records(GSN_database->cls, &ln_msg->zone, name, 0, &handle_lookup_name_it, &lnc);
-
+ if (GNUNET_SYSERR ==
+ GSN_database->iterate_records (GSN_database->cls,
+ &ln_msg->zone, name, 0 /* offset */,
+ &handle_lookup_name_it, &lnc))
+ {
+ /* internal error (in database plugin); might be best to just hang up on
+ plugin rather than to signal that there are 'no' results, which
+ might also be false... */
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_PUT");
struct GNUNET_NAMESTORE_Client *nc;
- struct RecordPutMessage *rp_msg;
+ const struct RecordPutMessage *rp_msg;
struct GNUNET_TIME_Absolute expire;
- struct GNUNET_CRYPTO_RsaSignature *signature;
+ const struct GNUNET_CRYPTO_RsaSignature *signature;
struct RecordPutResponseMessage rpr_msg;
struct GNUNET_CRYPTO_ShortHashCode zone_hash;
size_t name_len;
size_t msg_size;
size_t msg_size_exp;
- char *name;
- char *rd_ser;
- uint32_t rid = 0;
+ const char *name;
+ const char *rd_ser;
+ uint32_t rid;
uint32_t rd_ser_len;
uint32_t rd_count;
- int res = GNUNET_SYSERR;
+ int res;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received `%s' message\n",
+ "NAMESTORE_RECORD_PUT");
if (ntohs (message->size) < sizeof (struct RecordPutMessage))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- nc = client_lookup (client);
- if (nc == NULL)
+ if (NULL == (nc = client_lookup (client)))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- rp_msg = (struct RecordPutMessage *) message;
+ rp_msg = (const struct RecordPutMessage *) message;
rid = ntohl (rp_msg->gns_header.r_id);
msg_size = ntohs (rp_msg->gns_header.header.size);
name_len = ntohs (rp_msg->name_len);
rd_count = ntohs (rp_msg->rd_count);
- rd_ser_len = ntohs(rp_msg->rd_len);
-
- if (msg_size > GNUNET_SERVER_MAX_MESSAGE_SIZE)
- {
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
-
- if ((rd_count < 1) || (rd_ser_len < 1) || (name_len >=256) || (name_len == 0))
+ rd_ser_len = ntohs (rp_msg->rd_len);
+ if ((rd_count < 1) || (rd_ser_len < 1) || (name_len >= MAX_NAME_LEN) || (0 == name_len))
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- msg_size_exp = sizeof (struct RecordPutMessage) + name_len + rd_ser_len;
+ msg_size_exp = sizeof (struct RecordPutMessage) + name_len + rd_ser_len;
if (msg_size != msg_size_exp)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Expected message %u size but message size is %u \n", msg_size_exp, msg_size);
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
- if ((name_len == 0) || (name_len > 256))
- {
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- name = (char *) &rp_msg[1];
-
- if (name[name_len -1] != '\0')
+ name = (const char *) &rp_msg[1];
+ if ('\0' != name[name_len -1])
{
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
return;
}
-
- expire = GNUNET_TIME_absolute_ntoh(rp_msg->expire);
- signature = (struct GNUNET_CRYPTO_RsaSignature *) &rp_msg->signature;
-
+ expire = GNUNET_TIME_absolute_ntoh (rp_msg->expire);
+ signature = &rp_msg->signature;
rd_ser = &name[name_len];
- struct GNUNET_NAMESTORE_RecordData rd[rd_count];
- res = GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd);
- if (res != GNUNET_OK)
{
- GNUNET_break_op (0);
- goto send;
- }
-
- GNUNET_CRYPTO_short_hash (&rp_msg->public_key, sizeof (rp_msg->public_key), &zone_hash);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting %u record for name `%s' in zone `%s'\n", rd_count, name, GNUNET_short_h2s(&zone_hash));
-
- /* Database operation */
- res = GSN_database->put_records(GSN_database->cls,
- &rp_msg->public_key,
- expire,
- name,
- rd_count, rd,
- signature);
+ struct GNUNET_NAMESTORE_RecordData rd[rd_count];
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting record for name `%s': %s\n",
- name, (res == GNUNET_OK) ? "OK" : "FAIL");
-
- /* Send response */
-send:
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_PUT_RESPONSE");
+ if (GNUNET_OK !=
+ GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd))
+ {
+ GNUNET_break (0);
+ GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+ return;
+ }
+ GNUNET_CRYPTO_short_hash (&rp_msg->public_key,
+ sizeof (rp_msg->public_key),
+ &zone_hash);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Putting %u records under name `%s' in zone `%s'\n",
+ rd_count, name,
+ GNUNET_short_h2s (&zone_hash));
+ res = GSN_database->put_records(GSN_database->cls,
+ &rp_msg->public_key,
+ expire,
+ name,
+ rd_count, rd,
+ signature);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Putting record for name `%s': %s\n",
+ name,
+ (res == GNUNET_OK) ? "OK" : "FAILED");
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending `%s' message\n",
+ "RECORD_PUT_RESPONSE");
rpr_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT_RESPONSE);
rpr_msg.gns_header.header.size = htons (sizeof (struct RecordPutResponseMessage));
rpr_msg.gns_header.r_id = htonl (rid);
rpr_msg.op_result = htonl (res);
- GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) &rpr_msg, GNUNET_NO);
-
+ GNUNET_SERVER_notification_context_unicast (snc,
+ nc->client,
+ &rpr_msg.gns_header.header,
+ GNUNET_NO);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
+/////////////////////////////////////////////////////////////
+
+
/**
- * CreateRecordContext
- *
* Context for record create operations passed from 'handle_record_create' to
* 'handle_create_record_it' as closure
*/
/**
* Record data
*/
- struct GNUNET_NAMESTORE_RecordData *rd;
+ const struct GNUNET_NAMESTORE_RecordData *rd;
/**
* Zone's private key
*/
- struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
+ const struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
/**
* Zone's public key
*/
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey;
+ const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey;
/**
- * Record expiration time
+ * Name for the record to create
*/
- struct GNUNET_TIME_Absolute expire;
+ const char *name;
/**
- * Name for the record to create
+ * Record expiration time
*/
- char *name;
+ struct GNUNET_TIME_Absolute expire;
/**
* result returned from 'handle_create_record_it'
int c;
int rd_count_new = 0;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u existing records for `%s'\n", rd_count, crc->name);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Found %u existing records for `%s'\n",
+ rd_count, crc->name);
for (c = 0; c < rd_count; c++)
{
if ( (crc->rd->record_type == GNUNET_NAMESTORE_TYPE_PKEY) &&
return;
}
- if ((name_len == 0) || (name_len > 256))
+ if ((name_len == 0) || (name_len > MAX_NAME_LEN))
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- if ((name_len >=256) || (name_len == 0))
+ if ((name_len >=MAX_NAME_LEN) || (name_len == 0))
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
rd_ser = &name_tmp[name_len];
- if ((name_len == 0) || (name_len > 256))
+ if ((name_len == 0) || (name_len > MAX_NAME_LEN))
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
}
+/////////////////////////////////////////////////////////////
/**
- * Find next zone iteration result in database
- * @param proc the zone iteration processing to use
+ * Find next zone iteration result in database
+ *
+ * @param proc the zone iteration processing to use
*/
static void
find_next_zone_iteration_result (struct ZoneIterationProcResult *proc)
{
-
struct GNUNET_CRYPTO_ShortHashCode *zone;
if (GNUNET_YES == proc->zi->has_zone)
zone = &proc->zi->zone;
else
zone = NULL;
-
do
{
if (GNUNET_SYSERR ==
- GSN_database->iterate_records (GSN_database->cls, zone, NULL, proc->zi->offset, &zone_iteraterate_proc, proc))
+ GSN_database->iterate_records (GSN_database->cls, zone, NULL,
+ proc->zi->offset,
+ &zone_iteraterate_proc, proc))
{
GNUNET_break (0);
break;
/**
* Send zone iteration result to client
+ *
* @param proc the zone iteration processing result to send
*/
static void
send_zone_iteration_result (struct ZoneIterationProcResult *proc)
{
struct GNUNET_NAMESTORE_ZoneIteration *zi = proc->zi;
+ struct ZoneIterationResponseMessage zir_end;
+ struct ZoneIterationResponseMessage *zir_msg;
+ size_t name_len;
+ size_t rd_ser_len;
+ size_t msg_size;
+ char *name_tmp;
+ char *rd_ser;
if (GNUNET_YES == proc->res_iteration_finished)
{
- struct ZoneIterationResponseMessage zir_msg;
if (zi->has_zone == GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for zone `%s'\n", GNUNET_short_h2s(&zi->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No more results for zone `%s'\n",
+ GNUNET_short_h2s(&zi->zone));
else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for all zones\n");
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending empty `%s' message\n", "ZONE_ITERATION_RESPONSE");
- zir_msg.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
- zir_msg.gns_header.header.size = htons (sizeof (struct ZoneIterationResponseMessage));
- zir_msg.gns_header.r_id = htonl(zi->request_id);
- zir_msg.expire = GNUNET_TIME_absolute_hton(GNUNET_TIME_UNIT_ZERO_ABS);
- zir_msg.name_len = htons (0);
- zir_msg.reserved = htons (0);
- zir_msg.rd_count = htons (0);
- zir_msg.rd_len = htons (0);
- memset (&zir_msg.public_key, '\0', sizeof (zir_msg.public_key));
- memset (&zir_msg.signature, '\0', sizeof (zir_msg.signature));
- GNUNET_SERVER_notification_context_unicast (snc, zi->client->client, (const struct GNUNET_MessageHeader *) &zir_msg, GNUNET_NO);
-
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No more results for all zones\n");
+ memset (&zir_end, 0, sizeof (zir_end));
+ zir_end.gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
+ zir_end.gns_header.header.size = htons (sizeof (struct ZoneIterationResponseMessage));
+ zir_end.gns_header.r_id = htonl(zi->request_id);
+ GNUNET_SERVER_notification_context_unicast (snc,
+ zi->client->client,
+ &zir_end.gns_header.header, GNUNET_NO);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing zone iterator\n");
GNUNET_CONTAINER_DLL_remove (zi->client->op_head, zi->client->op_tail, zi);
GNUNET_free (zi);
return;
}
-
GNUNET_assert (proc->records_included > 0);
-
- struct ZoneIterationResponseMessage *zir_msg;
- size_t name_len;
- size_t rd_ser_len;
- size_t msg_size;
- char *name_tmp;
- char *rd_tmp;
-
- if (zi->has_zone == GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over zone `%s'\n",
+ if (GNUNET_YES == zi->has_zone)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending name `%s' for iteration over zone `%s'\n",
proc->name, GNUNET_short_h2s(&zi->zone));
- if (zi->has_zone == GNUNET_NO)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over all zones\n",
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending name `%s' for iteration over all zones\n",
proc->name);
- name_len = strlen (proc->name) +1;
+ name_len = strlen (proc->name) + 1;
rd_ser_len = GNUNET_NAMESTORE_records_get_size(proc->records_included, proc->rd);
- char rd_ser[rd_ser_len];
- GNUNET_NAMESTORE_records_serialize(proc->records_included, proc->rd, rd_ser_len, rd_ser);
msg_size = sizeof (struct ZoneIterationResponseMessage) + name_len + rd_ser_len;
+
zir_msg = GNUNET_malloc(msg_size);
- name_tmp = (char *) &zir_msg[1];
- rd_tmp = &name_tmp[name_len];
zir_msg->gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
zir_msg->gns_header.header.size = htons (msg_size);
zir_msg->gns_header.r_id = htonl(zi->request_id);
zir_msg->rd_len = htons (rd_ser_len);
zir_msg->signature = proc->signature;
zir_msg->public_key = proc->zone_key;
+ name_tmp = (char *) &zir_msg[1];
memcpy (name_tmp, proc->name, name_len);
- memcpy (rd_tmp, rd_ser, rd_ser_len);
-
+ rd_ser = &name_tmp[name_len];
+ GNUNET_NAMESTORE_records_serialize (proc->records_included, proc->rd, rd_ser_len, rd_ser);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending `%s' message with size %u\n", "ZONE_ITERATION_RESPONSE", msg_size);
+ "Sending `%s' message with size %u\n",
+ "ZONE_ITERATION_RESPONSE",
+ msg_size);
GNUNET_SERVER_notification_context_unicast (snc, zi->client->client,
(const struct GNUNET_MessageHeader *) zir_msg,
GNUNET_NO);
unsigned int c;
GNUNET_free_non_null (proc->name);
- for (c = 0; c < proc->records_included; c++)
- {
- GNUNET_free ((void *) proc->rd[c].data);
- }
- GNUNET_free_non_null (proc->rd);
proc->name = NULL;
+ for (c = 0; c < proc->records_included; c++)
+ GNUNET_free ((void *) proc->rd[c].data);
+ GNUNET_free_non_null (proc->rd);
proc->rd = NULL;
+ proc->records_included = 0;
}
else if (0 != proc.records_included)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Zone iteration return %u records\n",
+ "Zone iteration returns %u records\n",
proc.records_included);
}
send_zone_iteration_result (&proc);
else
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Starting to iterate over zone `%s'\n", GNUNET_short_h2s (&zis_msg->zone));
+ "Starting to iterate over zone `%s'\n", GNUNET_short_h2s (&zis_msg->zone));
zi->zone = zis_msg->zone;
zi->has_zone = GNUNET_YES;
}
{
struct GNUNET_NAMESTORE_Client *nc;
struct GNUNET_NAMESTORE_ZoneIteration *zi;
- struct ZoneIterationStopMessage *zis_msg;
+ const struct ZoneIterationStopMessage *zis_msg;
uint32_t rid;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- zis_msg = (struct ZoneIterationStopMessage *) message;
+ zis_msg = (const struct ZoneIterationStopMessage *) message;
rid = ntohl (zis_msg->gns_header.r_id);
for (zi = nc->op_head; NULL != zi; zi = zi->next)
if (zi->request_id == rid)
{&handle_zone_to_name, NULL,
GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_TO_NAME, 0},
{&handle_iteration_start, NULL,
- GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START, sizeof (struct ZoneIterationStartMessage)},
+ GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_START, sizeof (struct ZoneIterationStartMessage) },
{&handle_iteration_next, NULL,
- GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT, 0},
+ GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_NEXT, sizeof (struct ZoneIterationNextMessage) },
{&handle_iteration_stop, NULL,
- GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP, 0},
+ GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_STOP, sizeof (struct ZoneIterationStopMessage) },
{NULL, NULL, 0, 0}
};
char *database;
projects / oweals / gnunet.git / commitdiff