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authorDerrell Lipman <derrell@samba.org>2005-05-24 13:31:22 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:17:00 -0500
commit26eff174ee8bf6b76ecf7f641286ad59c08f2672 (patch)
tree342cd62502bd5f02e5608eef21b1bce0d82046b1
parent079b96349b352157516390b6e12e679ab638cfb0 (diff)
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r6956: added start of ldb_sqlite3 work
(This used to be commit ac396a4a53756f40ad5e1d45ca23e002f9c649e7)
-rw-r--r--source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c951
-rw-r--r--source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.h25
-rw-r--r--source4/lib/ldb/ldb_sqlite3/schema240
3 files changed, 1216 insertions, 0 deletions
diff --git a/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c b/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c
new file mode 100644
index 0000000000..67debd8a4e
--- /dev/null
+++ b/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.c
@@ -0,0 +1,951 @@
+/*
+ ldb database library
+
+ Copyright (C) Andrew Tridgell 2004
+
+ ** NOTE! The following LGPL license applies to the ldb
+ ** library. This does NOT imply that all of Samba is released
+ ** under the LGPL
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+/*
+ * Name: ldb
+ *
+ * Component: ldb sqlite backend
+ *
+ * Description: core files for SQLITE3 backend
+ *
+ * Author: Derrell Lipman (based on Andrew Tridgell's LDAP backend)
+ */
+
+#include "includes.h"
+#include "ldb/include/ldb.h"
+#include "ldb/include/ldb_private.h"
+#include "ldb/ldb_sqlite3/ldb_sqlite3.h"
+
+#if 0
+/*
+ we don't need this right now, but will once we add some backend
+ options
+*/
+
+/*
+ find an option in an option list (a null terminated list of strings)
+
+ this assumes the list is short. If it ever gets long then we really
+ should do this in some smarter way
+ */
+static const char *lsqlite3_option_find(const struct lsqlite3_private *lsqlite3, const char *name)
+{
+ int i;
+ size_t len = strlen(name);
+
+ if (!lsqlite3->options) return NULL;
+
+ for (i=0;lsqlite3->options[i];i++) {
+ if (strncmp(lsqlite3->options[i], name, len) == 0 &&
+ lsqlite3->options[i][len] == '=') {
+ return &lsqlite3->options[i][len+1];
+ }
+ }
+
+ return NULL;
+}
+#endif
+
+/*
+ rename a record
+*/
+static int lsqlite3_rename(struct ldb_module *module, const char *olddn, const char *newdn)
+{
+ int column;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+
+ /* ignore ltdb specials */
+ if (olddn[0] == '@' ||newdn[0] == '@') {
+ return 0;
+ }
+
+ /* Bind old distinguished names */
+ column = sqlite3_bind_parameter_index(lsqlite3->renameDN, ":oldDN");
+ if (sqlite3_bind_text(lsqlite3->renameDN, column,
+ olddn, strlen(olddn),
+ SQLITE_STATIC) != SQLITE_OK) {
+ return -1;
+ }
+
+ /* Bind new distinguished names */
+ column = sqlite3_bind_parameter_index(lsqlite3->renameDN, ":newDN");
+ if (sqlite3_bind_text(lsqlite3->renameDN, column,
+ newdn, strlen(newdn),
+ SQLITE_STATIC) != SQLITE_OK) {
+ return -1;
+ }
+
+ do {
+ lsqlite3->last_rc = sqlite3_step(lsqlite3->renameDN);
+ (void) sqlite3_reset(lsqlite3->renameDN);
+ } while lsqlite3->last_rc == SQLITE3_BUSY;
+
+ return lsqlite3->last_rc == 0 ? 0 : -1;
+}
+
+/*
+ delete a record
+*/
+static int lsqlite3_delete(struct ldb_module *module, const char *dn)
+{
+ int ret = 0;
+ int column;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+
+ /* ignore ltdb specials */
+ if (dn[0] == '@') {
+ return 0;
+ }
+
+ /* Bind new distinguished names */
+ column = sqlite3_bind_parameter_index(lsqlite3->renameDN, ":dn");
+ if (sqlite3_bind_text(lsqlite3->deleteDN, column,
+ dn, strlen(dn),
+ SQLITE_STATIC) != SQLITE_OK) {
+ return -1;
+ }
+
+ do {
+ lsqlite3->last_rc = sqlite3_step(lsqlite3->deleteDN);
+ (void) sqlite3_reset(lsqlite3->deleteDN);
+ } while lsqlite3->last_rc == SQLITE3_BUSY;
+
+ return lsqlite3->last_rc == 0 ? 0 : -1;
+}
+
+/*
+ free a search result
+*/
+static int lsqlite3_search_free(struct ldb_module *module, struct ldb_message **res)
+{
+ talloc_free(res);
+ return 0;
+}
+
+
+/*
+ add a single set of ldap message values to a ldb_message
+*/
+static int lsqlite3_add_msg_attr(struct ldb_context *ldb,
+ struct ldb_message *msg,
+ const char *attr, struct berval **bval)
+{
+ int count, i;
+ struct ldb_message_element *el;
+
+ count = ldap_count_values_len(bval);
+
+ if (count <= 0) {
+ return -1;
+ }
+
+ el = talloc_realloc(msg, msg->elements, struct ldb_message_element,
+ msg->num_elements + 1);
+ if (!el) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ msg->elements = el;
+
+ el = &msg->elements[msg->num_elements];
+
+ el->name = talloc_strdup(msg->elements, attr);
+ if (!el->name) {
+ errno = ENOMEM;
+ return -1;
+ }
+ el->flags = 0;
+
+ el->num_values = 0;
+ el->values = talloc_array(msg->elements, struct ldb_val, count);
+ if (!el->values) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ for (i=0;i<count;i++) {
+ el->values[i].data = talloc_memdup(el->values, bval[i]->bv_val, bval[i]->bv_len);
+ if (!el->values[i].data) {
+ return -1;
+ }
+ el->values[i].length = bval[i]->bv_len;
+ el->num_values++;
+ }
+
+ msg->num_elements++;
+
+ return 0;
+}
+
+/*
+ search for matching records
+*/
+static int lsqlite3_search(struct ldb_module *module, const char *base,
+ enum ldb_scope scope, const char *expression,
+ const char * const *attrs, struct ldb_message ***res)
+{
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ int count, msg_count;
+
+ if (base == NULL) {
+ base = "";
+ }
+
+ lsqlite3->last_rc = ldap_search_s(lsqlite3->ldap, base, (int)scope,
+ expression,
+ discard_const_p(char *, attrs),
+ 0, &ldapres);
+ if (lsqlite3->last_rc != LDAP_SUCCESS) {
+ return -1;
+ }
+
+ count = ldap_count_entries(lsqlite3->ldap, ldapres);
+ if (count == -1 || count == 0) {
+ ldap_msgfree(ldapres);
+ return count;
+ }
+
+ (*res) = talloc_array(lsqlite3, struct ldb_message *, count+1);
+ if (! *res) {
+ ldap_msgfree(ldapres);
+ errno = ENOMEM;
+ return -1;
+ }
+
+ (*res)[0] = NULL;
+
+ msg_count = 0;
+
+ /* loop over all messages */
+ for (msg=ldap_first_entry(lsqlite3->ldap, ldapres);
+ msg;
+ msg=ldap_next_entry(lsqlite3->ldap, msg)) {
+ BerElement *berptr = NULL;
+ char *attr, *dn;
+
+ if (msg_count == count) {
+ /* hmm, got too many? */
+ ldb_debug(ldb, LDB_DEBUG_FATAL, "Fatal: ldap message count inconsistent\n");
+ break;
+ }
+
+ (*res)[msg_count] = talloc(*res, struct ldb_message);
+ if (!(*res)[msg_count]) {
+ goto failed;
+ }
+ (*res)[msg_count+1] = NULL;
+
+ dn = ldap_get_dn(lsqlite3->ldap, msg);
+ if (!dn) {
+ goto failed;
+ }
+
+ (*res)[msg_count]->dn = talloc_strdup((*res)[msg_count], dn);
+ ldap_memfree(dn);
+ if (!(*res)[msg_count]->dn) {
+ goto failed;
+ }
+
+
+ (*res)[msg_count]->num_elements = 0;
+ (*res)[msg_count]->elements = NULL;
+ (*res)[msg_count]->private_data = NULL;
+
+ /* loop over all attributes */
+ for (attr=ldap_first_attribute(lsqlite3->ldap, msg, &berptr);
+ attr;
+ attr=ldap_next_attribute(lsqlite3->ldap, msg, berptr)) {
+ struct berval **bval;
+ bval = ldap_get_values_len(lsqlite3->ldap, msg, attr);
+
+ if (bval) {
+ lsqlite3_add_msg_attr(ldb, (*res)[msg_count], attr, bval);
+ ldap_value_free_len(bval);
+ }
+
+ ldap_memfree(attr);
+ }
+ if (berptr) ber_free(berptr, 0);
+
+ msg_count++;
+ }
+
+ ldap_msgfree(ldapres);
+
+ return msg_count;
+
+failed:
+ if (*res) lsqlite3_search_free(module, *res);
+ return -1;
+}
+
+
+/*
+ Issue a series of SQL statements to implement the requests in the ldb_message
+*/
+static int lsqlite3_msg_to_sql(struct ldb_context *ldb,
+ const struct ldb_message *msg,
+ int modify_existing)
+{
+ unsigned int i, j;
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ sqlite3_stmt *stmt = NULL;
+
+ for (i=0;i<msg->num_elements;i++) {
+ const struct ldb_message_element *el = &msg->elements[i];
+
+ if (! modify_existing) {
+ /* This is a new DN. Bind new distinguished name */
+ column =
+ sqlite3_bind_parameter_index(
+ lsqlite3->queries.newDN,
+ ":dn");
+ if (sqlite3_bind_text(lsqlite3->queries.newDN, column,
+ msg->dn, strlen(msg->dn),
+ SQLITE_STATIC) != SQLITE_OK) {
+ return -1;
+ }
+
+ /* Add this new DN */
+ do {
+ lsqlite3->last_rc =
+ sqlite3_step(lsqlite3->queries.newDN);
+ (void) sqlite3_reset(lsqlite3->queries.newDN);
+ } while lsqlite3->last_rc == SQLITE_BUSY;
+
+ if (lsqlite3->last_rc != SQLITE_DONE) {
+ return -1;
+ }
+
+ dn_id = last_insert_rowid(lsqlite3->sqlite3);
+
+ stmt = lsqlite3->queries.newAttribute;
+
+ } else {
+ /* Get the dn_id for the specified DN */
+ xxx;
+
+ switch (el->flags & LDB_FLAG_MOD_MASK) {
+ case LDB_FLAG_MOD_ADD:
+ stmt = lsqlite3->queries.addAttrValuePair;
+ break;
+ case LDB_FLAG_MOD_DELETE:
+ stmt = lsqlite3->queries.deleteAttrValuePairs;
+ break;
+ case LDB_FLAG_MOD_REPLACE:
+ stmt = lsqlite3->queries.replaceAttrValuePairs;
+ break;
+ }
+
+ }
+
+ for (j=0;j<el->num_values;j++) {
+ mods[num_mods]->mod_vals.modv_bvals[j] = talloc(mods[num_mods]->mod_vals.modv_bvals,
+ struct berval);
+ if (!mods[num_mods]->mod_vals.modv_bvals[j]) {
+ goto failed;
+ }
+ mods[num_mods]->mod_vals.modv_bvals[j]->bv_val = el->values[j].data;
+ mods[num_mods]->mod_vals.modv_bvals[j]->bv_len = el->values[j].length;
+ }
+ mods[num_mods]->mod_vals.modv_bvals[j] = NULL;
+ num_mods++;
+ }
+
+ return mods;
+
+failed:
+ talloc_free(mods);
+ return NULL;
+}
+
+
+/*
+ add a record
+*/
+static int lsqlite3_add(struct ldb_module *module, const struct ldb_message *msg)
+{
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ LDAPMod **mods;
+ int ret = 0;
+
+ /* ignore ltdb specials */
+ if (msg->dn[0] == '@') {
+ return 0;
+ }
+
+ mods = lsqlite3_msg_to_mods(ldb, msg, 0);
+
+ lsqlite3->last_rc = ldap_add_s(lsqlite3->ldap, msg->dn, mods);
+ if (lsqlite3->last_rc != LDAP_SUCCESS) {
+ ret = -1;
+ }
+
+ talloc_free(mods);
+
+ return ret;
+}
+
+
+/*
+ modify a record
+*/
+static int lsqlite3_modify(struct ldb_module *module, const struct ldb_message *msg)
+{
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ LDAPMod **mods;
+ int ret = 0;
+
+ /* ignore ltdb specials */
+ if (msg->dn[0] == '@') {
+ return 0;
+ }
+
+ mods = lsqlite3_msg_to_mods(ldb, msg, 1);
+
+ lsqlite3->last_rc = ldap_modify_s(lsqlite3->ldap, msg->dn, mods);
+ if (lsqlite3->last_rc != LDAP_SUCCESS) {
+ ret = -1;
+ }
+
+ talloc_free(mods);
+
+ return ret;
+}
+
+static int lsqlite3_lock(struct ldb_module *module, const char *lockname)
+{
+ int ret = 0;
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+
+ if (lockname == NULL) {
+ return -1;
+ }
+
+ /* If we're already locked, just update lock count */
+ if (++lsqlite3->lock_count > 1) {
+ return -1;
+ }
+
+ /* Write-lock (but not read-lock) the database */
+ lsqlite3->last_rc = sqlite3_step(lsqlite3->begin);
+
+ /* Ready the compiled statememt for its next use */
+ (void ) sqlite_reset(lsqlite3->begin);
+
+ return lsqlite3->last_rc == 0 ? 0 : -1;
+}
+
+static int lsqlite3_unlock(struct ldb_module *module, const char *lockname)
+{
+ int ret = 0;
+ struct ldb_context *ldb = module->ldb;
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+
+ if (lockname == NULL) {
+ return -1;
+ }
+
+ /* If we're not already locked, there's nothing to do */
+ if (lsqlite3->lock_count == 0) {
+ return 0;
+ }
+
+ /* Decrement lock count */
+ if (--lsqlite3->lock_count == 0) {
+
+ /* Final unlock. Unlock the database */
+ lsqlite3->last_rc = sqlite3_step(lsqlite3->commit);
+
+ /* Ready the compiled statememt for its next use */
+ (void ) sqlite_reset(lsqlite3->commit);
+ }
+
+ return lsqlite3->last_rc == 0 ? 0 : -1;
+}
+
+/*
+ return extended error information
+*/
+static const char *lsqlite3_errstring(struct ldb_module *module)
+{
+ struct lsqlite3_private *lsqlite3 = module->private_data;
+ return sqlite3_errmsg(lsqlite3->sqlite3);
+}
+
+
+static const struct ldb_module_ops lsqlite3_ops = {
+ "sqlite",
+ lsqlite3_search,
+ lsqlite3_search_free,
+ lsqlite3_add,
+ lsqlite3_modify,
+ lsqlite3_delete,
+ lsqlite3_rename,
+ lsqlite3_lock,
+ lsqlite3_unlock,
+ lsqlite3_errstring
+};
+
+
+static int lsqlite3_destructor(void *p)
+{
+ struct lsqlite3_private *lsqlite3 = p;
+ (void) sqlite3_close(lsqlite3->sqlite3);
+ return 0;
+}
+
+static int lsqlite3_initialize(lsqlite3_private *lsqlite3,
+ const char *url)
+{
+ int bNewDatabase = False;
+ char *p;
+ char *pTail;
+ struct stat statbuf;
+ sqlite3_stmt *stmt;
+ const char *schema =
+ "
+ -- ------------------------------------------------------
+
+ PRAGMA auto_vacuum=1;
+
+ -- ------------------------------------------------------
+
+ BEGIN EXCLUSIVE;
+
+ -- ------------------------------------------------------
+
+ CREATE TABLE ldb_info AS
+ SELECT 'LDB' AS database_type,
+ '1.0' AS version;
+
+ CREATE TABLE ldb_distinguished_names
+ (
+ dn_id INTEGER PRIMARY KEY AUTOINCREMENT,
+ dn TEXT UNIQUE
+ );
+
+ CREATE TABLE ldb_object_classes
+ (
+ class_name TEXT PRIMARY KEY,
+ tree_key TEXT,
+ max_child_num INTEGER
+ );
+
+ CREATE TABLE ldb_dn_object_classes
+ (
+ dn_id INTEGER REFERENCES ldb_distinguished_names,
+ class_name TEXT REFERENCES ldb_object_classes
+ );
+
+ CREATE TABLE ldb_attributes
+ (
+ attr_name TEXT PRIMARY KEY,
+ case_insensitive_p BOOLEAN DEFAULT FALSE,
+ wildcard_p BOOLEAN DEFAULT FALSE,
+ hidden_p BOOLEAN DEFAULT FALSE,
+ integer_p BOOLEAN DEFAULT FALSE
+ );
+
+ CREATE TABLE ldb_attr_value_pairs
+ (
+ dn_id INTEGER REFERENCES ldb_distinguished_names,
+ attr_name TEXT REFERENCES ldb_attributes,
+ attr_value TEXT
+ );
+
+ -- ------------------------------------------------------
+
+ CREATE TRIGGER ldb_distinguished_names_delete_tr
+ AFTER DELETE
+ ON ldb_distinguished_names
+ FOR EACH ROW
+ BEGIN
+ DELETE FROM ldb_attr_value_pairs
+ WHERE dn_id = old.dn_id;
+ DELETE FROM ldb_dn_object_classes
+ WHERE dn_id = old.dn_id;
+ END;
+
+ CREATE TRIGGER ldb_attr_value_pairs_insert_tr
+ BEFORE INSERT
+ ON ldb_attr_value_pairs
+ FOR EACH ROW
+ BEGIN
+ INSERT OR IGNORE INTO ldb_attributes
+ (attr_name)
+ VALUES
+ (new.attr_name);
+ END;
+
+ CREATE TRIGGER ldb_attr_value_pairs_delete_tr
+ AFTER DELETE
+ ON ldb_attr_value_pairs
+ FOR EACH ROW
+ BEGIN
+ DELETE FROM ldb_attributes
+ WHERE (SELECT COUNT(*)
+ FROM ldb_attr_value_pairs
+ WHERE attr_name = old.attr_name) = 0
+ AND attr_name = old.attr_name;
+ END;
+
+ -- ------------------------------------------------------
+
+ CREATE INDEX ldb_distinguished_names_dn_idx
+ ON ldb_distinguished_names (dn);
+
+ CREATE INDEX ldb_object_classes_tree_key_idx
+ ON ldb_object_classes (tree_key);
+
+
+ CREATE INDEX ldb_dn_object_classes_dn_id_idx
+ ON ldb_dn_object_classes (dn_id);
+
+ CREATE INDEX ldb_dn_object_classes_class_name_idx
+ ON ldb_dn_object_classes (class_name);
+
+
+ CREATE INDEX ldb_attr_value_pairs_dn_id_name_case_idx
+ ON ldb_attr_value_pairs (dn_id, attr_name);
+
+ CREATE INDEX ldb_attr_value_pairs_dn_id_name_nocase_idx
+ ON ldb_attr_value_pairs (dn_id, attr_name COLLATE NOCASE);
+
+ -- ------------------------------------------------------
+
+ /* all defaults for dn, initially */
+ INSERT INTO ldb_attributes (attr_name)
+ VALUES ('dn');
+
+ /* We need an implicit "top" level object class */
+ INSERT INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'top', /* next_tree_key(NULL) */ '0001';
+
+ -- ------------------------------------------------------
+
+ COMMIT;
+
+ -- ------------------------------------------------------
+ ";
+
+ /* Skip protocol indicator of url */
+ if ((p = strchr(url, ':')) == NULL) {
+ return SQLITE_MISUSE;
+ } else {
+ ++p;
+ }
+
+ /*
+ * See if we'll be creating a new database, or opening an existing one
+ */
+ if ((stat(p, &statbuf) < 0 && errno == ENOENT) ||
+ statbuf.st_size == 0) {
+
+ bNewDatabase = True;
+ }
+
+ /* Try to open the (possibly empty/non-existent) database */
+ if ((lsqlite3->last_rc = sqlite3_open(p, &lsqlite3->sqlite3)) != SQLITE_SUCCESS) {
+ return ret;
+ }
+
+ if (bNewDatabase) {
+ /*
+ * Create the database schema
+ */
+ for (pTail = schema; pTail != NULL; ) {
+
+ if ((lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ pTail,
+ -1,
+ &stmt,
+ &pTail)) != SQLITE_SUCCESS ||
+ (lsqlite3->last_rc = sqlite3_step(stmt)) != SQLITE_DONE ||
+ (lsqlite3->last_rc = sqlite_finalize(stmt)) != SQLITE_SUCCESS) {
+
+ (void) sqlite3_close(lsqlite3->sqlite3);
+ return ret;
+ }
+ }
+ } else {
+ /*
+ * Ensure that the database we opened is one of ours
+ */
+ if ((lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "SELECT COUNT(*) "
+ " FROM sqlite_master "
+ " WHERE type = 'table' "
+ " AND name IN "
+ " ("
+ " 'ldb_info', "
+ " 'ldb_distinguished_names', "
+ " 'ldb_object_classes', "
+ " 'ldb_dn_object_classes', "
+ " 'ldb_attributes', "
+ " 'ldb_attr_value_pairs' "
+ " );",
+ -1,
+ &stmt,
+ &pTail)) != SQLITE_SUCCESS ||
+ (lsqlite3->last_rc = sqlite3_step(stmt)) != SQLITE_ROW ||
+ sqlite3_column_int(stmt, 0) != 6 ||
+ (lsqlite3->last_rc = sqlite_finalize(stmt)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "SELECT 1 "
+ " FROM ldb_info "
+ " WHERE database_type = 'LDB' "
+ " AND version = '1.0';",
+ -1,
+ &stmt,
+ &pTail)) != SQLITE_SUCCESS ||
+ (lsqlite3->last_rc = sqlite3_step(stmt)) != SQLITE_ROW ||
+ (lsqlite3->last_rc = sqlite_finalize(stmt)) != SQLITE_SUCCESS) {
+
+ /* It's not one that we created. See ya! */
+ (void) sqlite3_close(lsqlite3->sqlite3);
+ return SQLITE_MISUSE;
+ }
+ }
+
+ /*
+ * Pre-compile each of the queries we'll be using.
+ */
+
+ if ((lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "BEGIN IMMEDIATE;",
+ -1,
+ &lsqlite3->queries.begin,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "COMMIT;",
+ -1,
+ &lsqlite3->queries.commit,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "ROLLBACK;",
+ -1,
+ &lsqlite3->queries.rollback,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT INTO ldb_distinguished_names (dn_id, dn) "
+ " VALUES (:dn_id, :dn);",
+ -1,
+ &lsqlite3->queries.newDN,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "UPDATE ldb_distinguished_names "
+ " SET dn = :newDN "
+ " WHERE dn = :oldDN;",
+ -1,
+ &lsqlite3->queries.renameDN,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "DELETE FROM ldb_distinguished_names "
+ " WHERE dn = :dn;",
+ -1,
+ &lsqlite3->queries.deleteDN,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT OR IGNORE INTO ldb_object_classes "
+ " (class_name, tree_key)"
+ " SELECT :class_name, next_tree_key(NULL);",
+ -1,
+ &lsqlite3->queries.newObjectClass,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT OR REPLACE INTO ldb_dn_object_classes "
+ " (dn_id, class_name) "
+ " VALUES (:dn_id, :class_name);",
+ -1,
+ &lsqlite3->queries.assignObjectClass,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT OR IGNORE INTO ldb_attributes (name) "
+ " VALUES (:name);",
+ -1,
+ &lsqlite3->queries.newAttributeUseDefaults,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT OR REPLACE INTO ldb_attributes "
+ " (name, "
+ " case_insensitive_p, "
+ " wildcard_p, "
+ " hidden_p, "
+ " integer_p) "
+ " VALUES (:name, "
+ " :case_insensitive_p, "
+ " :wildcard_p, "
+ " :hidden_p, "
+ " :integer_p);",
+ -1,
+ &lsqlite3->queries.newAttribute,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT INTO ldb_attr_value_pairs "
+ " (dn_id, attr_name, attr_value) "
+ " VALUES (:dn_id, :attr_name, :attr_value);",
+ -1,
+ &lsqlite3->queries.addAttrValuePair,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "UPDATE ldb_attr_value_pairs "
+ " SET attr_value = :attr_value "
+ " WHERE dn_id = :dn_id "
+ " AND attr_name = :attr_name;",
+ -1,
+ &lsqlite3->queries.addAttrValuePair,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "DELETE FROM ldb_attr_value_pairs "
+ " WHERE dn_id = :dn_id "
+ " AND attr_name = :attr_name;"
+ -1,
+ &lsqlite3->queries.deleteAttrValuePair,
+ &pTail)) != SQLITE_SUCCESS ||
+
+ (lsqlite3->last_rc = sqlite3_prepare(
+ lsqlite3->sqlite3,
+ "INSERT OR REPLACE INTO ldb_object_classes "
+ " (class_name, tree_key) "
+ " SELECT :child_class, next_tree_key(:parent_class);"
+ -1,
+ &lsqlite3->queries.insertSubclass,
+ &pTail)) != SQLITE_SUCCESS) {
+
+ (void) sqlite3_close(lsqlite3->sqlite3);
+ return ret;
+ }
+
+ return SQLITE_SUCCESS;
+}
+
+/*
+ connect to the database
+*/
+struct ldb_context *lsqlite3_connect(const char *url,
+ unsigned int flags,
+ const char *options[])
+{
+ struct ldb_context *ldb = NULL;
+ struct lsqlite3_private *lsqlite3 = NULL;
+ int i;
+
+ ldb = talloc(NULL, struct ldb_context);
+ if (!ldb) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ lsqlite3 = talloc(ldb, struct lsqlite3_private);
+ if (!lsqlite3) {
+ errno = ENOMEM;
+ goto failed;
+ }
+
+ lsqlite3->sqlite3 = NULL;
+ lsqlite3->options = NULL;
+ lsqlite3->lock_count = 0;
+
+ lsqlite3->last_rc = lsqlite3_initialize(&lsqlite3->sqlite3, url);
+ if (lsqlite3->last_rc != LDAP_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_set_destructor(lsqlite3, lsqlite3_destructor);
+
+ ldb->modules = talloc(ldb, struct ldb_module);
+ if (!ldb->modules) {
+ errno = ENOMEM;
+ goto failed;
+ }
+ ldb->modules->ldb = ldb;
+ ldb->modules->prev = ldb->modules->next = NULL;
+ ldb->modules->private_data = lsqlite3;
+ ldb->modules->ops = &lsqlite3_ops;
+
+ if (options) {
+ /* take a copy of the options array, so we don't have to rely
+ on the caller keeping it around (it might be dynamic) */
+ for (i=0;options[i];i++) ;
+
+ lsqlite3->options = talloc_array(lsqlite3, char *, i+1);
+ if (!lsqlite3->options) {
+ goto failed;
+ }
+
+ for (i=0;options[i];i++) {
+ lsqlite3->options[i+1] = NULL;
+ lsqlite3->options[i] = talloc_strdup(lsqlite3->options, options[i]);
+ if (!lsqlite3->options[i]) {
+ goto failed;
+ }
+ }
+ }
+
+ return ldb;
+
+failed:
+ if (lsqlite3->sqlite3 != NULL) {
+ (void) sqlite3_close(lsqlite3->sqlite3);
+ }
+ talloc_free(ldb);
+ return NULL;
+}
+
diff --git a/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.h b/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.h
new file mode 100644
index 0000000000..75105fe264
--- /dev/null
+++ b/source4/lib/ldb/ldb_sqlite3/ldb_sqlite3.h
@@ -0,0 +1,25 @@
+#include <sqlite3.h>
+
+struct lsqlite3_private {
+ char **options;
+ const char *basedn;
+ sqlite3 * sqlite;
+ int lock_count;
+ int last_rc;
+ struct {
+ sqlite3_stmt *begin;
+ sqlite3_stmt *commit;
+ sqlite3_stmt *rollback;
+ sqlite3_stmt *newDN;
+ sqlite3_stmt *renameDN;
+ sqlite3_stmt *deleteDN;
+ sqlite3_stmt *newObjectClass;
+ sqlite3_stmt *assignObjectClass;
+ sqlite3_stmt *newAttributeUseDefaults;
+ sqlite3_stmt *newAttribute;
+ sqlite3_stmt *addAttrValuePair;
+ sqlite3_stmt *replaceAttrValuePairs;
+ sqlite3_stmt *deleteAttrValuePairs;
+ sqlite3_stmt *insertSubclass;
+ } queries;
+};
diff --git a/source4/lib/ldb/ldb_sqlite3/schema b/source4/lib/ldb/ldb_sqlite3/schema
new file mode 100644
index 0000000000..2ba188c785
--- /dev/null
+++ b/source4/lib/ldb/ldb_sqlite3/schema
@@ -0,0 +1,240 @@
+ -- ------------------------------------------------------
+
+ PRAGMA auto_vacuum=1;
+
+ -- ------------------------------------------------------
+
+ BEGIN EXCLUSIVE;
+
+ -- ------------------------------------------------------
+
+ CREATE TABLE ldb_info AS
+ SELECT 'LDB' AS database_type,
+ '1.0' AS version;
+
+ CREATE TABLE ldb_distinguished_names
+ (
+ dn_id INTEGER PRIMARY KEY AUTOINCREMENT,
+ dn TEXT UNIQUE
+ );
+
+ CREATE TABLE ldb_object_classes
+ (
+ class_name TEXT PRIMARY KEY,
+ tree_key TEXT,
+ max_child_num INTEGER
+ );
+
+ CREATE TABLE ldb_dn_object_classes
+ (
+ dn_id INTEGER REFERENCES ldb_distinguished_names,
+ class_name TEXT REFERENCES ldb_object_classes
+ );
+
+ CREATE TABLE ldb_attributes
+ (
+ attr_name TEXT PRIMARY KEY,
+ case_insensitive_p BOOLEAN DEFAULT FALSE,
+ wildcard_p BOOLEAN DEFAULT FALSE,
+ hidden_p BOOLEAN DEFAULT FALSE,
+ integer_p BOOLEAN DEFAULT FALSE
+ );
+
+ CREATE TABLE ldb_attr_value_pairs
+ (
+ dn_id INTEGER REFERENCES ldb_distinguished_names,
+ attr_name TEXT REFERENCES ldb_attributes,
+ attr_value TEXT
+ );
+
+ -- ------------------------------------------------------
+
+ CREATE TRIGGER ldb_distinguished_names_delete_tr
+ AFTER DELETE
+ ON ldb_distinguished_names
+ FOR EACH ROW
+ BEGIN
+ DELETE FROM ldb_attr_value_pairs
+ WHERE dn_id = old.dn_id;
+ DELETE FROM ldb_dn_object_classes
+ WHERE dn_id = old.dn_id;
+ END;
+
+ CREATE TRIGGER ldb_attr_value_pairs_insert_tr
+ BEFORE INSERT
+ ON ldb_attr_value_pairs
+ FOR EACH ROW
+ BEGIN
+ INSERT OR IGNORE INTO ldb_attributes
+ (attr_name)
+ VALUES
+ (new.attr_name);
+ END;
+
+ CREATE TRIGGER ldb_attr_value_pairs_delete_tr
+ AFTER DELETE
+ ON ldb_attr_value_pairs
+ FOR EACH ROW
+ BEGIN
+ DELETE FROM ldb_attributes
+ WHERE (SELECT COUNT(*)
+ FROM ldb_attr_value_pairs
+ WHERE attr_name = old.attr_name) = 0
+ AND attr_name = old.attr_name;
+ END;
+
+ -- ------------------------------------------------------
+
+ CREATE INDEX ldb_distinguished_names_dn_idx
+ ON ldb_distinguished_names (dn);
+
+ CREATE INDEX ldb_object_classes_tree_key_idx
+ ON ldb_object_classes (tree_key);
+
+
+ CREATE INDEX ldb_dn_object_classes_dn_id_idx
+ ON ldb_dn_object_classes (dn_id);
+
+ CREATE INDEX ldb_dn_object_classes_class_name_idx
+ ON ldb_dn_object_classes (class_name);
+
+
+ CREATE INDEX ldb_attr_value_pairs_dn_id_name_case_idx
+ ON ldb_attr_value_pairs (dn_id, attr_name);
+
+ CREATE INDEX ldb_attr_value_pairs_dn_id_name_nocase_idx
+ ON ldb_attr_value_pairs (dn_id, attr_name COLLATE NOCASE);
+
+ -- ------------------------------------------------------
+
+ /* all defaults for dn, initially */
+ INSERT INTO ldb_attributes (attr_name)
+ VALUES ('dn');
+
+ /* We need an implicit "top" level object class */
+ INSERT INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'top', /* next_tree_key(NULL) */ '0001';
+
+ -- ------------------------------------------------------
+
+ COMMIT;
+
+ -- ------------------------------------------------------
+
+/*
+ * dn: o=University of Michigan,c=US
+ * objectclass: organization
+ * objectclass: domainRelatedObject
+ */
+-- newDN
+INSERT INTO ldb_distinguished_names (dn_id, dn)
+ VALUES (1, 'o=University of Michigan,c=US');
+
+-- newObjectClass
+INSERT OR IGNORE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'organization', /* next_tree_key(NULL) */ '0002';
+
+INSERT OR IGNORE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'domainRelatedObject', /* next_tree_key(NULL) */ '0003';
+
+-- assignObjectClass
+INSERT OR IGNORE INTO ldb_dn_object_classes (dn_id, class_name)
+ VALUES (1, 'organization');
+
+INSERT OR IGNORE INTO ldb_dn_object_classes (dn_id, class_name)
+ VALUES (1, 'domainRelatedObject');
+
+/*
+ * l: Ann Arbor, Michigan
+ * st: Michigan
+ * o: University of Michigan
+ * o: UMICH
+ * o: UM
+ * o: U-M
+ * o: U of M
+ * description: The University of Michigan at Ann Arbor
+ * seeAlso:
+ * postaladdress: University of Michigan $ 535 W. William St. $ Ann Arbor, MI 481
+ * 09 $ US
+ * telephonenumber: +1 313 764-1817
+ * associateddomain: example.com
+ */
+-- addAttrValuePair
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'l', 'Ann Arbor, Michigan');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'st', 'Michigan');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'o', 'University of Michigan');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'o', 'UMICH');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'o', 'UM');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'o', 'U-M');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'o', 'U of M');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'description', 'The University of Michigan at Ann Arbor');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'seeAlso', '');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'postaladdress', 'University of Michigan $ 535 W. William St. $ Ann Arbor, MI 48109 $ US');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'telephonenumber', '+1 313 764-1817');
+INSERT INTO ldb_attr_value_pairs (dn_id, attr_name, attr_value)
+ VALUES (1, 'associateddomain', 'example.com');
+
+-- ----------------------------------------------------------------------
+
+/*
+ * dn: @ATTRIBUTES
+ * uid: CASE_INSENSITIVE WILDCARD
+ * cn: CASE_INSENSITIVE
+ * ou: CASE_INSENSITIVE
+ * dn: CASE_INSENSITIVE
+ */
+-- newAttribute
+INSERT OR REPLACE INTO ldb_attributes
+ (attr_name, case_insensitive_p, wildcard_p, hidden_p, integer_p)
+ VALUES ('uid', 1, 1, 0, 0);
+INSERT OR REPLACE INTO ldb_attributes
+ (attr_name, case_insensitive_p, wildcard_p, hidden_p, integer_p)
+ VALUES ('cn', 1, 0, 0, 0);
+INSERT OR REPLACE INTO ldb_attributes
+ (attr_name, case_insensitive_p, wildcard_p, hidden_p, integer_p)
+ VALUES ('ou', 1, 0, 0, 0);
+INSERT OR REPLACE INTO ldb_attributes
+ (attr_name, case_insensitive_p, wildcard_p, hidden_p, integer_p)
+ VALUES ('dn', 1, 0, 0, 0);
+
+-- ----------------------------------------------------------------------
+
+/*
+ * dn: @SUBCLASSES
+ * top: domain
+ * top: person
+ * domain: domainDNS
+ * person: organizationalPerson
+ * person: fooPerson
+ * organizationalPerson: user
+ * organizationalPerson: OpenLDAPperson
+ * user: computer
+ */
+-- insertSubclass
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'domain', /* next_tree_key('top') */ '00010001';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'person', /* next_tree_key('top') */ '00010002';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'domainDNS', /* next_tree_key('domain') */ '000100010001';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'organizationalPerson', /* next_tree_key('person') */ '000100020001';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'fooPerson', /* next_tree_key('person') */ '000100020002';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'user', /* next_tree_key('organizationalPerson') */ '0001000200010001';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'OpenLDAPperson', /* next_tree_key('organizationPerson') */ '0001000200010002';
+INSERT OR REPLACE INTO ldb_object_classes (class_name, tree_key)
+ SELECT 'computer', /* next_tree_key('user') */ '0001000200010001';