/*
* This file is part of GNUnet
- * (C) 2009, 2011, 2012 Christian Grothoff (and other contributing authors)
+ * Copyright (C) 2009-2013 GNUnet e.V.
*
* GNUnet is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
*
* You should have received a copy of the GNU General Public License
* along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
#include "platform.h"
#include "gnunet_namestore_plugin.h"
+#include "gnunet_namestore_service.h"
+#include "gnunet_gnsrecord_lib.h"
+#include "namestore.h"
#include <sqlite3.h>
/**
- * After how many ms "busy" should a DB operation fail for good?
- * A low value makes sure that we are more responsive to requests
- * (especially PUTs). A high value guarantees a higher success
- * rate (SELECTs in iterate can take several seconds despite LIMIT=1).
+ * After how many ms "busy" should a DB operation fail for good? A
+ * low value makes sure that we are more responsive to requests
+ * (especially PUTs). A high value guarantees a higher success rate
+ * (SELECTs in iterate can take several seconds despite LIMIT=1).
*
* The default value of 1s should ensure that users do not experience
- * huge latencies while at the same time allowing operations to succeed
- * with reasonable probability.
+ * huge latencies while at the same time allowing operations to
+ * succeed with reasonable probability.
*/
#define BUSY_TIMEOUT_MS 1000
* a failure of the command 'cmd' on file 'filename'
* with the message given by strerror(errno).
*/
-#define LOG_SQLITE(db, msg, level, cmd) do { GNUNET_log_from (level, "namestore-sqlite", _("`%s' failed at %s:%d with error: %s\n"), cmd, __FILE__, __LINE__, sqlite3_errmsg(db->dbh)); if (msg != NULL) GNUNET_asprintf(msg, _("`%s' failed at %s:%u with error: %s"), cmd, __FILE__, __LINE__, sqlite3_errmsg(db->dbh)); } while(0)
+#define LOG_SQLITE(db, level, cmd) do { GNUNET_log_from (level, "namestore-sqlite", _("`%s' failed at %s:%d with error: %s\n"), cmd, __FILE__, __LINE__, sqlite3_errmsg(db->dbh)); } while(0)
#define LOG(kind,...) GNUNET_log_from (kind, "namestore-sqlite", __VA_ARGS__)
sqlite3 *dbh;
/**
- * Precompiled SQL for put record
+ * Precompiled SQL to store records.
*/
- sqlite3_stmt *put_record;
+ sqlite3_stmt *store_records;
/**
- * Precompiled SQL for put node
+ * Precompiled SQL to deltete existing records.
*/
- sqlite3_stmt *put_node;
+ sqlite3_stmt *delete_records;
/**
- * Precompiled SQL for put signature
+ * Precompiled SQL for iterate records within a zone.
*/
- sqlite3_stmt *put_signature;
+ sqlite3_stmt *iterate_zone;
/**
- * Precompiled SQL for iterate records
+ * Precompiled SQL for iterate all records within all zones.
*/
- sqlite3_stmt *iterate_records;
+ sqlite3_stmt *iterate_all_zones;
/**
- * Precompiled SQL for get node
+ * Precompiled SQL to for reverse lookup based on PKEY.
*/
- sqlite3_stmt *get_node;
+ sqlite3_stmt *zone_to_name;
/**
- * Precompiled SQL for get signature
+ * Precompiled SQL to lookup records based on label.
*/
- sqlite3_stmt *get_signature;
-
- /**
- * Precompiled SQL for delete zone
- */
- sqlite3_stmt *delete_zone_records;
-
- /**
- * Precompiled SQL for delete zone
- */
- sqlite3_stmt *delete_zone_nodes;
-
- /**
- * Precompiled SQL for delete zone
- */
- sqlite3_stmt *delete_zone_signatures;
-
+ sqlite3_stmt *lookup_label;
};
result =
sqlite3_prepare_v2 (dbh, zSql, strlen (zSql), ppStmt,
(const char **) &dummy);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
"Prepared `%s' / %p: %d\n", zSql, *ppStmt, result);
return result;
}
create_indices (sqlite3 * dbh)
{
/* create indices */
- if (SQLITE_OK !=
- sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS ir_zone_name_hash ON ns090records (zone_hash,record_name_hash)",
- NULL, NULL, NULL))
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Failed to create indices: %s\n", sqlite3_errmsg (dbh));
-
-
- if (SQLITE_OK !=
- sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS in_zone_location ON ns090nodes (zone_hash,zone_revision,node_location_depth,node_location_offset DESC)",
- NULL, NULL, NULL))
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Failed to create indices: %s\n", sqlite3_errmsg (dbh));
-
-
- if (SQLITE_OK !=
- sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS is_zone ON ns090signatures (zone_hash)",
- NULL, NULL, NULL))
- LOG (GNUNET_ERROR_TYPE_ERROR,
+ if ( (SQLITE_OK !=
+ sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS ir_pkey_reverse ON ns097records (zone_private_key,pkey)",
+ NULL, NULL, NULL)) ||
+ (SQLITE_OK !=
+ sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS ir_pkey_iter ON ns097records (zone_private_key,rvalue)",
+ NULL, NULL, NULL)) ||
+ (SQLITE_OK !=
+ sqlite3_exec (dbh, "CREATE INDEX IF NOT EXISTS it_iter ON ns097records (rvalue)",
+ NULL, NULL, NULL)) )
+ LOG (GNUNET_ERROR_TYPE_ERROR,
"Failed to create indices: %s\n", sqlite3_errmsg (dbh));
}
#else
#define ENULL &e
#define ENULL_DEFINED 1
-#define CHECK(a) if (! a) { GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "%s\n", e); sqlite3_free(e); }
+#define CHECK(a) if (! (a)) { GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "%s\n", e); sqlite3_free(e); }
#endif
* as needed as well).
*
* @param plugin the plugin context (state for this module)
- * @return GNUNET_OK on success
+ * @return #GNUNET_OK on success
*/
static int
database_setup (struct Plugin *plugin)
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_filename (plugin->cfg, "namestore-sqlite",
"FILENAME", &afsdir))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR,
- _ ("Option `%s' in section `%s' missing in configuration!\n"),
- "FILENAME", "namestore-sqlite");
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "namestore-sqlite", "FILENAME");
return GNUNET_SYSERR;
}
if (GNUNET_OK != GNUNET_DISK_file_test (afsdir))
return GNUNET_SYSERR;
}
}
-#ifdef ENABLE_NLS
- plugin->fn =
- GNUNET_STRINGS_to_utf8 (afsdir, strlen (afsdir), nl_langinfo (CODESET));
-#else
- plugin->fn = GNUNET_STRINGS_to_utf8 (afsdir, strlen (afsdir), "UTF-8"); /* good luck */
-#endif
- GNUNET_free (afsdir);
+ /* afsdir should be UTF-8-encoded. If it isn't, it's a bug */
+ plugin->fn = afsdir;
/* Open database and precompile statements */
if (sqlite3_open (plugin->fn, &plugin->dbh) != SQLITE_OK)
sqlite3_exec (plugin->dbh, "PRAGMA auto_vacuum=INCREMENTAL", NULL,
NULL, ENULL));
CHECK (SQLITE_OK ==
- sqlite3_exec (plugin->dbh, "PRAGMA locking_mode=EXCLUSIVE", NULL, NULL,
- ENULL));
+ sqlite3_exec (plugin->dbh, "PRAGMA encoding=\"UTF-8\"", NULL,
+ NULL, ENULL));
CHECK (SQLITE_OK ==
- sqlite3_exec (plugin->dbh, "PRAGMA count_changes=OFF", NULL, NULL,
+ sqlite3_exec (plugin->dbh, "PRAGMA locking_mode=EXCLUSIVE", NULL, NULL,
ENULL));
CHECK (SQLITE_OK ==
sqlite3_exec (plugin->dbh, "PRAGMA page_size=4092", NULL, NULL,
CHECK (SQLITE_OK == sqlite3_busy_timeout (plugin->dbh, BUSY_TIMEOUT_MS));
- /* Create tables */
- CHECK (SQLITE_OK ==
- sq_prepare (plugin->dbh,
- "SELECT 1 FROM sqlite_master WHERE tbl_name = 'ns090records'",
- &stmt));
- if ((sqlite3_step (stmt) == SQLITE_DONE) &&
- (sqlite3_exec
- (plugin->dbh,
- "CREATE TABLE ns090records ("
- " zone_hash TEXT NOT NULL DEFAULT '',"
- " zone_revision INT4 NOT NULL DEFAULT 0,"
- " record_name_hash TEXT NOT NULL DEFAULT '',"
- " record_name TEXT NOT NULL DEFAULT '',"
- " record_type INT4 NOT NULL DEFAULT 0,"
- " node_location_depth INT4 NOT NULL DEFAULT 0,"
- " node_location_offset INT8 NOT NULL DEFAULT 0,"
- " record_expiration_time INT8 NOT NULL DEFAULT 0,"
- " record_flags INT4 NOT NULL DEFAULT 0,"
- " record_value BLOB NOT NULL DEFAULT ''"
- ")",
- NULL, NULL, NULL) != SQLITE_OK))
- {
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
- sqlite3_finalize (stmt);
- return GNUNET_SYSERR;
- }
- sqlite3_finalize (stmt);
-
- CHECK (SQLITE_OK ==
- sq_prepare (plugin->dbh,
- "SELECT 1 FROM sqlite_master WHERE tbl_name = 'ns090nodes'",
- &stmt));
- if ((sqlite3_step (stmt) == SQLITE_DONE) &&
- (sqlite3_exec
- (plugin->dbh,
- "CREATE TABLE ns090nodes ("
- " zone_hash TEXT NOT NULL DEFAULT '',"
- " zone_revision INT4 NOT NULL DEFAULT 0,"
- " node_location_depth INT4 NOT NULL DEFAULT 0,"
- " node_location_offset INT8 NOT NULL DEFAULT 0,"
- " node_parent_offset INT8 NOT NULL DEFAULT 0,"
- " node_hashcodes BLOB NOT NULL DEFAULT ''"
- ")",
- NULL, NULL, NULL) != SQLITE_OK))
- {
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
- sqlite3_finalize (stmt);
- return GNUNET_SYSERR;
- }
- sqlite3_finalize (stmt);
-
-
+ /* Create table */
CHECK (SQLITE_OK ==
sq_prepare (plugin->dbh,
- "SELECT 1 FROM sqlite_master WHERE tbl_name = 'ns090signatures'",
+ "SELECT 1 FROM sqlite_master WHERE tbl_name = 'ns097records'",
&stmt));
if ((sqlite3_step (stmt) == SQLITE_DONE) &&
(sqlite3_exec
(plugin->dbh,
- "CREATE TABLE ns090signatures ("
- " zone_hash TEXT NOT NULL DEFAULT '',"
- " zone_revision INT4 NOT NULL DEFAULT 0,"
- " zone_time INT8 NOT NULL DEFAULT 0,"
- " zone_root_hash TEXT NOT NULL DEFAULT 0,"
- " zone_root_depth INT4 NOT NULL DEFAULT 0,"
- " zone_public_key BLOB NOT NULL DEFAULT 0,"
- " zone_signature BLOB NOT NULL DEFAULT 0"
- ")",
+ "CREATE TABLE ns097records ("
+ " zone_private_key BLOB NOT NULL DEFAULT '',"
+ " pkey BLOB,"
+ " rvalue INT8 NOT NULL DEFAULT '',"
+ " record_count INT NOT NULL DEFAULT 0,"
+ " record_data BLOB NOT NULL DEFAULT '',"
+ " label TEXT NOT NULL DEFAULT ''"
+ ")",
NULL, NULL, NULL) != SQLITE_OK))
{
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
sqlite3_finalize (stmt);
return GNUNET_SYSERR;
}
sqlite3_finalize (stmt);
-
create_indices (plugin->dbh);
if ((sq_prepare
(plugin->dbh,
- "INSERT INTO ns090records (zone_hash, zone_revision, record_name_hash, record_name, "
- "record_type, node_location_depth, node_location_offset, "
- "record_expiration_time, record_flags, record_value) VALUES "
- "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
- &plugin->put_record) != SQLITE_OK) ||
- (sq_prepare
- (plugin->dbh,
- "INSERT INTO ns090nodes (zone_hash, zone_revision, "
- "node_location_depth, node_location_offset, node_parent_offset, node_hashcodes) "
- "VALUES (?, ?, ?, ?, ?, ?)",
- &plugin->put_node) != SQLITE_OK) ||
+ "INSERT INTO ns097records (zone_private_key, pkey, rvalue, record_count, record_data, label)"
+ " VALUES (?, ?, ?, ?, ?, ?)",
+ &plugin->store_records) != SQLITE_OK) ||
(sq_prepare
(plugin->dbh,
- "INSERT INTO ns090signatures (zone_hash, zone_revision, zone_time, zone_root_hash, "
- "zone_root_depth, zone_public_key, zone_signature) "
- "VALUES (?, ?, ?, ?, ?, ?)",
- &plugin->put_signature) != SQLITE_OK) ||
+ "DELETE FROM ns097records WHERE zone_private_key=? AND label=?",
+ &plugin->delete_records) != SQLITE_OK) ||
(sq_prepare
(plugin->dbh,
- "SELECT zone_revision,record_name,record_type,node_location_depth,node_location_offset,record_expiration_time,record_flags,record_value "
- "FROM ns090records WHERE zone_hash=? AND record_name_hash=?",
- &plugin->iterate_records) != SQLITE_OK) ||
+ "SELECT record_count,record_data,label"
+ " FROM ns097records WHERE zone_private_key=? AND pkey=?",
+ &plugin->zone_to_name) != SQLITE_OK) ||
(sq_prepare
(plugin->dbh,
- "SELECT node_parent_offset,node_hashcodes FROM ns090nodes "
- "WHERE zone_hash=? AND zone_revision=? AND node_location_depth=? AND node_location_offset<=? ORDER BY node_location_offset DESC LIMIT 1",
- &plugin->get_node) != SQLITE_OK) ||
+ "SELECT record_count,record_data,label"
+ " FROM ns097records WHERE zone_private_key=? ORDER BY rvalue LIMIT 1 OFFSET ?",
+ &plugin->iterate_zone) != SQLITE_OK) ||
(sq_prepare
(plugin->dbh,
- "SELECT zone_revision,zone_time,zone_root_hash,zone_root_depth,zone_public_key,zone_signature "
- "FROM ns090signatures WHERE zone_hash=?",
- &plugin->get_signature) != SQLITE_OK) ||
+ "SELECT record_count,record_data,label,zone_private_key"
+ " FROM ns097records ORDER BY rvalue LIMIT 1 OFFSET ?",
+ &plugin->iterate_all_zones) != SQLITE_OK) ||
(sq_prepare
(plugin->dbh,
- "DELETE FROM gn090records WHERE zone_hash=?",
- &plugin->delete_zone_records) != SQLITE_OK) ||
- (sq_prepare
- (plugin->dbh,
- "DELETE FROM gn090nodes WHERE zone_hash=?",
- &plugin->delete_zone_nodes) != SQLITE_OK) ||
- (sq_prepare
- (plugin->dbh,
- "DELETE FROM gn090signatures WHERE zone_hash=?",
- &plugin->delete_zone_signatures) != SQLITE_OK) )
+ "SELECT record_count,record_data,label,zone_private_key"
+ " FROM ns097records WHERE zone_private_key=? AND label=?",
+ &plugin->lookup_label) != SQLITE_OK)
+ )
{
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "precompiling");
+ LOG_SQLITE (plugin,GNUNET_ERROR_TYPE_ERROR, "precompiling");
return GNUNET_SYSERR;
}
return GNUNET_OK;
int result;
sqlite3_stmt *stmt;
- if (NULL != plugin->put_record)
- sqlite3_finalize (plugin->put_record);
- if (NULL != plugin->put_node)
- sqlite3_finalize (plugin->put_node);
- if (NULL != plugin->put_signature)
- sqlite3_finalize (plugin->put_signature);
- if (NULL != plugin->iterate_records)
- sqlite3_finalize (plugin->iterate_records);
- if (NULL != plugin->get_node)
- sqlite3_finalize (plugin->get_node);
- if (NULL != plugin->get_signature)
- sqlite3_finalize (plugin->get_signature);
- if (NULL != plugin->delete_zone_records)
- sqlite3_finalize (plugin->delete_zone_records);
- if (NULL != plugin->delete_zone_nodes)
- sqlite3_finalize (plugin->delete_zone_nodes);
- if (NULL != plugin->delete_zone_signatures)
- sqlite3_finalize (plugin->delete_zone_signatures);
+ if (NULL != plugin->store_records)
+ sqlite3_finalize (plugin->store_records);
+ if (NULL != plugin->delete_records)
+ sqlite3_finalize (plugin->delete_records);
+ if (NULL != plugin->iterate_zone)
+ sqlite3_finalize (plugin->iterate_zone);
+ if (NULL != plugin->iterate_all_zones)
+ sqlite3_finalize (plugin->iterate_all_zones);
+ if (NULL != plugin->zone_to_name)
+ sqlite3_finalize (plugin->zone_to_name);
+ if (NULL != plugin->zone_to_name)
+ sqlite3_finalize (plugin->lookup_label);
result = sqlite3_close (plugin->dbh);
if (result == SQLITE_BUSY)
{
result = sqlite3_close (plugin->dbh);
}
if (SQLITE_OK != result)
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_close");
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR, "sqlite3_close");
GNUNET_free_non_null (plugin->fn);
}
/**
- * Store a record in the datastore.
+ * Store a record in the datastore. Removes any existing record in the
+ * same zone with the same name.
*
* @param cls closure (internal context for the plugin)
- * @param zone hash of the public key of the zone
- * @param name name that is being mapped (at most 255 characters long)
- * @param record_type type of the record (A, AAAA, PKEY, etc.)
- * @param loc location of the signature for the record
- * @param expiration expiration time for the content
- * @param flags flags for the content
- * @param data_size number of bytes in data
- * @param data value, semantics depend on 'record_type' (see RFCs for DNS and
- * GNS specification for GNS extensions)
- * @return GNUNET_OK on success
+ * @param zone_key private key of the zone
+ * @param label name that is being mapped (at most 255 characters long)
+ * @param rd_count number of entries in @a rd array
+ * @param rd array of records with data to store
+ * @return #GNUNET_OK on success, else #GNUNET_SYSERR
*/
-static int
-namestore_sqlite_put_record (void *cls,
- const GNUNET_HashCode *zone,
- const char *name,
- uint32_t record_type,
- const struct GNUNET_NAMESTORE_SignatureLocation *loc,
- struct GNUNET_TIME_Absolute expiration,
- enum GNUNET_NAMESTORE_RecordFlags flags,
- size_t data_size,
- const void *data)
+static int
+namestore_sqlite_store_records (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
+ const char *label,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
{
-#if 0
struct Plugin *plugin = cls;
int n;
-
- if ((SQLITE_OK != sqlite3_bind_int (plugin->updPrio, 1, delta)) ||
- (SQLITE_OK != sqlite3_bind_int64 (plugin->updPrio, 2, expire.abs_value))
- || (SQLITE_OK != sqlite3_bind_int64 (plugin->updPrio, 3, uid)))
+ struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
+ uint64_t rvalue;
+ size_t data_size;
+ unsigned int i;
+
+ memset (&pkey, 0, sizeof (pkey));
+ for (i=0;i<rd_count;i++)
+ if (GNUNET_GNSRECORD_TYPE_PKEY == rd[i].record_type)
+ {
+ GNUNET_break (sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey) == rd[i].data_size);
+ memcpy (&pkey,
+ rd[i].data,
+ rd[i].data_size);
+ break;
+ }
+ rvalue = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX);
+ data_size = GNUNET_GNSRECORD_records_get_size (rd_count, rd);
+ if (data_size > 64 * 65536)
{
- LOG_SQLITE (plugin, msg, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_bind_XXXX");
- if (SQLITE_OK != sqlite3_reset (plugin->updPrio))
- LOG_SQLITE (plugin, NULL,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
+ GNUNET_break (0);
return GNUNET_SYSERR;
+ }
+ {
+ char data[data_size];
+
+ if (data_size != GNUNET_GNSRECORD_records_serialize (rd_count, rd,
+ data_size, data))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+
+ /* First delete 'old' records */
+ if ((SQLITE_OK != sqlite3_bind_blob (plugin->delete_records, 1,
+ zone_key, sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey), SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_text (plugin->delete_records, 2, label, -1, SQLITE_STATIC)))
+ {
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_bind_XXXX");
+ if (SQLITE_OK != sqlite3_reset (plugin->delete_records))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return GNUNET_SYSERR;
+
+ }
+ n = sqlite3_step (plugin->delete_records);
+ if (SQLITE_OK != sqlite3_reset (plugin->delete_records))
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ if (0 != rd_count)
+ {
+ if ((SQLITE_OK != sqlite3_bind_blob (plugin->store_records, 1,
+ zone_key, sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey), SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_blob (plugin->store_records, 2,
+ &pkey, sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey), SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_int64 (plugin->store_records, 3, rvalue)) ||
+ (SQLITE_OK != sqlite3_bind_int (plugin->store_records, 4, rd_count)) ||
+ (SQLITE_OK != sqlite3_bind_blob (plugin->store_records, 5, data, data_size, SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_text (plugin->store_records, 6, label, -1, SQLITE_STATIC)))
+ {
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_bind_XXXX");
+ if (SQLITE_OK != sqlite3_reset (plugin->store_records))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return GNUNET_SYSERR;
+ }
+ n = sqlite3_step (plugin->store_records);
+ if (SQLITE_OK != sqlite3_reset (plugin->store_records))
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ }
}
- n = sqlite3_step (plugin->updPrio);
- if (SQLITE_OK != sqlite3_reset (plugin->updPrio))
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
switch (n)
{
case SQLITE_DONE:
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "sqlite", "Block updated\n");
+ if (0 != rd_count)
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "sqlite", "Record stored\n");
+ else
+ GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "sqlite", "Record deleted\n");
return GNUNET_OK;
case SQLITE_BUSY:
- LOG_SQLITE (plugin, msg, GNUNET_ERROR_TYPE_WARNING | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_step");
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_WARNING | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_step");
return GNUNET_NO;
default:
- LOG_SQLITE (plugin, msg, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_step");
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_step");
return GNUNET_SYSERR;
}
-#endif
- return GNUNET_SYSERR;
}
/**
- * Store a Merkle tree node in the datastore.
+ * The given 'sqlite' statement has been prepared to be run.
+ * It will return a record which should be given to the iterator.
+ * Runs the statement and parses the returned record.
*
- * @param cls closure (internal context for the plugin)
- * @param zone hash of public key of the zone
- * @param loc location in the B-tree
- * @param ploc parent's location in the B-tree (must have depth = loc.depth - 1), NULL for root
- * @param num_entries number of entries at this node in the B-tree
- * @param entries the 'num_entries' entries to store (hashes over the
- * records)
- * @return GNUNET_OK on success
+ * @param plugin plugin context
+ * @param stmt to run (and then clean up)
+ * @param zone_key private key of the zone
+ * @param iter iterator to call with the result
+ * @param iter_cls closure for @a iter
+ * @return #GNUNET_OK on success, #GNUNET_NO if there were no results, #GNUNET_SYSERR on error
*/
-static int
-namestore_sqlite_put_node (void *cls,
- const GNUNET_HashCode *zone,
- const struct GNUNET_NAMESTORE_SignatureLocation *loc,
- const struct GNUNET_NAMESTORE_SignatureLocation *ploc,
- unsigned int num_entries,
- const GNUNET_HashCode *entries)
+static int
+get_record_and_call_iterator (struct Plugin *plugin,
+ sqlite3_stmt *stmt,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
+ GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls)
{
- return GNUNET_SYSERR;
+ unsigned int record_count;
+ size_t data_size;
+ const char *data;
+ const char *label;
+ int ret;
+ int sret;
+
+ ret = GNUNET_NO;
+ if (SQLITE_ROW == (sret = sqlite3_step (stmt)))
+ {
+ record_count = sqlite3_column_int (stmt, 0);
+ data_size = sqlite3_column_bytes (stmt, 1);
+ data = sqlite3_column_blob (stmt, 1);
+ label = (const char*) sqlite3_column_text (stmt, 2);
+ if (NULL == zone_key)
+ {
+ /* must be "iterate_all_zones", got one extra return value */
+ if (sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey) !=
+ sqlite3_column_bytes (stmt, 3))
+ {
+ GNUNET_break (0);
+ ret = GNUNET_SYSERR;
+ }
+ else
+ {
+ zone_key = sqlite3_column_blob (stmt, 3);
+ }
+ }
+ if (record_count > 64 * 1024)
+ {
+ /* sanity check, don't stack allocate far too much just
+ because database might contain a large value here */
+ GNUNET_break (0);
+ ret = GNUNET_SYSERR;
+ }
+ else
+ {
+ struct GNUNET_GNSRECORD_Data rd[record_count];
+
+ if (GNUNET_OK !=
+ GNUNET_GNSRECORD_records_deserialize (data_size, data,
+ record_count, rd))
+ {
+ GNUNET_break (0);
+ ret = GNUNET_SYSERR;
+ }
+ else if (NULL != zone_key)
+ {
+ if (NULL != iter)
+ iter (iter_cls, zone_key, label, record_count, rd);
+ ret = GNUNET_YES;
+ }
+ }
+ }
+ else
+ {
+ if (SQLITE_DONE != sret)
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR, "sqlite_step");
+ }
+ if (SQLITE_OK != sqlite3_reset (stmt))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return ret;
}
-
/**
- * Store a zone signature in the datastore. If a signature for the zone with a
- * lower depth exists, the old signature is removed. If a signature for an
- * older revision of the zone exists, this will delete all records, nodes
- * and signatures for the older revision of the zone.
+ * Lookup records in the datastore for which we are the authority.
*
* @param cls closure (internal context for the plugin)
- * @param zone_key public key of the zone
- * @param loc location in the B-tree (top of the tree, offset 0, depth at 'maximum')
- * @param top_sig signature at the top, NULL if 'loc.depth > 0'
- * @param root_hash top level hash that is signed
- * @param zone_time time the zone was signed
- * @return GNUNET_OK on success
+ * @param zone private key of the zone
+ * @param label name of the record in the zone
+ * @param iter function to call with the result
+ * @param iter_cls closure for @a iter
+ * @return #GNUNET_OK on success, else #GNUNET_SYSERR
*/
static int
-namestore_sqlite_put_signature (void *cls,
- const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
- const struct GNUNET_NAMESTORE_SignatureLocation *loc,
- const struct GNUNET_CRYPTO_RsaSignature *top_sig,
- const GNUNET_HashCode *root_hash,
- struct GNUNET_TIME_Absolute zone_time)
+namestore_sqlite_lookup_records (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone, const char *label,
+ GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls)
{
- return GNUNET_SYSERR;
+ struct Plugin *plugin = cls;
+ sqlite3_stmt *stmt;
+ int err;
+
+ if (NULL == zone)
+ {
+ return GNUNET_SYSERR;
+ }
+ else
+ {
+ stmt = plugin->lookup_label;
+ err = ( (SQLITE_OK != sqlite3_bind_blob (stmt, 1,
+ zone, sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey),
+ SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_text (stmt, 2,
+ label, -1, SQLITE_STATIC)) );
+ }
+ if (err)
+ {
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_bind_XXXX");
+ if (SQLITE_OK != sqlite3_reset (stmt))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return GNUNET_SYSERR;
+ }
+ return get_record_and_call_iterator (plugin, stmt, zone, iter, iter_cls);
}
-
-
+
+
/**
* Iterate over the results for a particular key and zone in the
- * datastore. Will only query the latest revision known for the
- * zone (as adding a new zone revision will cause the plugin to
- * delete all records from previous revisions).
+ * datastore. Will return at most one result to the iterator.
*
* @param cls closure (internal context for the plugin)
- * @param zone hash of public key of the zone
- * @param name_hash hash of name, NULL to iterate over all records of the zone
- * @param iter maybe NULL (to just count)
- * @param iter_cls closure for iter
- * @return the number of results found
+ * @param zone hash of public key of the zone, NULL to iterate over all zones
+ * @param offset offset in the list of all matching records
+ * @param iter function to call with the result
+ * @param iter_cls closure for @a iter
+ * @return #GNUNET_OK on success, #GNUNET_NO if there were no results, #GNUNET_SYSERR on error
*/
-static unsigned int
-namestore_sqlite_iterate_records (void *cls,
- const GNUNET_HashCode *zone,
- const GNUNET_HashCode *name_hash,
+static int
+namestore_sqlite_iterate_records (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+ uint64_t offset,
GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls)
{
-#if 0
- int n;
- struct GNUNET_TIME_Absolute expiration;
- unsigned long long rowid;
- unsigned int size;
- int ret;
+ struct Plugin *plugin = cls;
+ sqlite3_stmt *stmt;
+ int err;
- n = sqlite3_step (stmt);
- switch (n)
+ if (NULL == zone)
{
- case SQLITE_ROW:
- size = sqlite3_column_bytes (stmt, 5);
- rowid = sqlite3_column_int64 (stmt, 6);
- if (sqlite3_column_bytes (stmt, 4) != sizeof (GNUNET_HashCode))
- {
- GNUNET_log_from (GNUNET_ERROR_TYPE_WARNING, "sqlite",
- _
- ("Invalid data in database. Trying to fix (by deletion).\n"));
- if (SQLITE_OK != sqlite3_reset (stmt))
- LOG_SQLITE (plugin, NULL,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
- if (GNUNET_OK == delete_by_rowid (plugin, rowid))
- plugin->env->duc (plugin->env->cls,
- -(size + GNUNET_NAMESTORE_ENTRY_OVERHEAD));
- break;
- }
- expiration.abs_value = sqlite3_column_int64 (stmt, 3);
-#if DEBUG_SQLITE
- GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG, "sqlite",
- "Found reply in database with expiration %llu\n",
- (unsigned long long) expiration.abs_value);
-#endif
- ret = proc (proc_cls, sqlite3_column_blob (stmt, 4) /* key */ ,
- size, sqlite3_column_blob (stmt, 5) /* data */ ,
- sqlite3_column_int (stmt, 0) /* type */ ,
- sqlite3_column_int (stmt, 1) /* priority */ ,
- sqlite3_column_int (stmt, 2) /* anonymity */ ,
- expiration, rowid);
- if (SQLITE_OK != sqlite3_reset (stmt))
- LOG_SQLITE (plugin, NULL,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
- if ((GNUNET_NO == ret) && (GNUNET_OK == delete_by_rowid (plugin, rowid)))
- plugin->env->duc (plugin->env->cls,
- -(size + GNUNET_NAMESTORE_ENTRY_OVERHEAD));
- return;
- case SQLITE_DONE:
- /* database must be empty */
- if (SQLITE_OK != sqlite3_reset (stmt))
- LOG_SQLITE (plugin, NULL,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
- break;
- case SQLITE_BUSY:
- case SQLITE_ERROR:
- case SQLITE_MISUSE:
- default:
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_step");
- if (SQLITE_OK != sqlite3_reset (stmt))
- LOG_SQLITE (plugin, NULL,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
- GNUNET_break (0);
- database_shutdown (plugin);
- database_setup (plugin->env->cfg, plugin);
- break;
+ stmt = plugin->iterate_all_zones;
+ err = (SQLITE_OK != sqlite3_bind_int64 (stmt, 1,
+ offset));
}
- if (SQLITE_OK != sqlite3_reset (stmt))
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_reset");
- proc (proc_cls, NULL, 0, NULL, 0, 0, 0, GNUNET_TIME_UNIT_ZERO_ABS, 0);
-
-
-
-
-
- const GNUNET_HashCode *key;
- sqlite3_stmt *stmt;
- int ret;
-
- GNUNET_assert (proc != NULL);
- if (sq_prepare (plugin->dbh, "SELECT hash FROM gn090", &stmt) != SQLITE_OK)
+ else
{
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite_prepare");
- return;
+ stmt = plugin->iterate_zone;
+ err = ( (SQLITE_OK != sqlite3_bind_blob (stmt, 1,
+ zone, sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey),
+ SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_int64 (stmt, 2,
+ offset)) );
}
- while (SQLITE_ROW == (ret = sqlite3_step (stmt)))
+ if (err)
{
- key = sqlite3_column_blob (stmt, 1);
- if (sizeof (GNUNET_HashCode) == sqlite3_column_bytes (stmt, 1))
- proc (proc_cls, key, 1);
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_bind_XXXX");
+ if (SQLITE_OK != sqlite3_reset (stmt))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return GNUNET_SYSERR;
}
- if (SQLITE_DONE != ret)
- LOG_SQLITE (plugin, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite_step");
- sqlite3_finalize (stmt);
-
-#endif
- return 0;
-}
-
-
-/**
- * Get a particular node from the signature tree.
- *
- * @param cls closure (internal context for the plugin)
- * @param zone hash of public key of the zone
- * @param loc location of the node in the signature tree
- * @param cb function to call with the result
- * @param cb_cls closure for cont
- */
-static void
-namestore_sqlite_get_node (void *cls,
- const GNUNET_HashCode *zone,
- const struct GNUNET_NAMESTORE_SignatureLocation *loc,
- GNUNET_NAMESTORE_NodeCallback cb, void *cb_cls)
-{
+ return get_record_and_call_iterator (plugin, stmt, zone, iter, iter_cls);
}
/**
- * Get the current signature for a zone.
+ * Look for an existing PKEY delegation record for a given public key.
+ * Returns at most one result to the iterator.
*
* @param cls closure (internal context for the plugin)
- * @param zone hash of public key of the zone
- * @param cb function to call with the result
- * @param cb_cls closure for cont
+ * @param zone private key of the zone to look up in, never NULL
+ * @param value_zone public key of the target zone (value), never NULL
+ * @param iter function to call with the result
+ * @param iter_cls closure for @a iter
+ * @return #GNUNET_OK on success, #GNUNET_NO if there were no results, #GNUNET_SYSERR on error
*/
-static void
-namestore_sqlite_get_signature (void *cls,
- const GNUNET_HashCode *zone,
- GNUNET_NAMESTORE_SignatureCallback cb, void *cb_cls)
+static int
+namestore_sqlite_zone_to_name (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *value_zone,
+ GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls)
{
-}
+ struct Plugin *plugin = cls;
+ sqlite3_stmt *stmt;
+ stmt = plugin->zone_to_name;
+ if ( (SQLITE_OK != sqlite3_bind_blob (stmt, 1,
+ zone, sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey),
+ SQLITE_STATIC)) ||
+ (SQLITE_OK != sqlite3_bind_blob (stmt, 2,
+ value_zone, sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey),
+ SQLITE_STATIC)) )
+ {
+ LOG_SQLITE (plugin, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_bind_XXXX");
+ if (SQLITE_OK != sqlite3_reset (stmt))
+ LOG_SQLITE (plugin,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_reset");
+ return GNUNET_SYSERR;
+ }
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Performing reverse lookup for `%s'\n",
+ GNUNET_GNSRECORD_z2s (value_zone));
-/**
- * Delete an entire zone (all revisions, all records, all nodes,
- * all signatures). Not used in normal operation.
- *
- * @param cls closure (internal context for the plugin)
- * @param zone zone to delete
- */
-static void
-namestore_sqlite_delete_zone (void *cls,
- const GNUNET_HashCode *zone)
-{
+ return get_record_and_call_iterator (plugin, stmt, zone, iter, iter_cls);
}
* Entry point for the plugin.
*
* @param cls the "struct GNUNET_NAMESTORE_PluginEnvironment*"
- * @return NULL on error, othrewise the plugin context
+ * @return NULL on error, otherwise the plugin context
*/
void *
libgnunet_plugin_namestore_sqlite_init (void *cls)
if (NULL != plugin.cfg)
return NULL; /* can only initialize once! */
memset (&plugin, 0, sizeof (struct Plugin));
- plugin.cfg = cfg;
+ plugin.cfg = cfg;
if (GNUNET_OK != database_setup (&plugin))
{
database_shutdown (&plugin);
return NULL;
}
- api = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_PluginFunctions));
+ api = GNUNET_new (struct GNUNET_NAMESTORE_PluginFunctions);
api->cls = &plugin;
- api->put_record = &namestore_sqlite_put_record;
- api->put_node = &namestore_sqlite_put_node;
- api->put_signature = &namestore_sqlite_put_signature;
+ api->store_records = &namestore_sqlite_store_records;
api->iterate_records = &namestore_sqlite_iterate_records;
- api->get_node = &namestore_sqlite_get_node;
- api->get_signature = &namestore_sqlite_get_signature;
- api->delete_zone = &namestore_sqlite_delete_zone;
- LOG (GNUNET_ERROR_TYPE_INFO,
+ api->zone_to_name = &namestore_sqlite_zone_to_name;
+ api->lookup_records = &namestore_sqlite_lookup_records;
+ LOG (GNUNET_ERROR_TYPE_INFO,
_("Sqlite database running\n"));
return api;
}
struct GNUNET_NAMESTORE_PluginFunctions *api = cls;
struct Plugin *plugin = api->cls;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "sqlite plugin is done\n");
database_shutdown (plugin);
plugin->cfg = NULL;
GNUNET_free (api);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
"sqlite plugin is finished\n");
return NULL;
}