r3755: add missing files

(This used to be commit 0b715b6ce21d23970d207d57e90133be17790d15)

4 files changed, 758 insertions, 0 deletions

diff --git a/source4/lib/ldb/common/ldb_modules.c b/source4/lib/ldb/common/ldb_modules.c
new file mode 100644
index 0000000000..a7cfd81d46
--- /dev/null
+++ b/source4/lib/ldb/common/ldb_modules.c
@@ -0,0 +1,265 @@
+
+/* 
+   ldb database library
+
+   Copyright (C) Simo Sorce  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 modules core
+ *
+ *  Description: core modules routines
+ *
+ *  Author: Simo Sorce
+ */
+
+#include "includes.h"
+#include "dlinklist.h"
+#include <sys/types.h> 
+#include <sys/stat.h> 
+#include <unistd.h> 
+
+#define LDB_MODULE_PREFIX	"modules"
+#define LDB_MODULE_PREFIX_LEN	7
+#define LDB_MODULE_SEP		':'
+
+int ldb_load_modules(struct ldb_context *ldb, const char *options[])
+{
+	struct ldb_module *current;
+	char **modules;
+	char *p, *q;
+	int pn, i;
+
+	/* find out which modules we are requested to activate */
+	modules = NULL;
+	pn = 0;
+
+	if (options) {
+
+		for (i = 0; options[i] != NULL; i++) {
+
+			if (strncmp(options[i], LDB_MODULE_PREFIX, LDB_MODULE_PREFIX_LEN) == 0) {
+
+				p = q = ldb_strdup(ldb, &options[i][LDB_MODULE_PREFIX_LEN]);
+				if (*q != ':') {
+					ldb_free(ldb, q);
+					return -1;
+				}
+				do {
+					*p = '\0';
+					q = p + 1;
+					pn++;
+					modules = ldb_realloc_array(ldb, modules, sizeof(char *), pn);
+					if (!modules) {
+						ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
+						return -1;
+					}
+					modules[pn - 1] = q;
+				} while ((p = strchr(q, LDB_MODULE_SEP)));
+			}
+		}
+	}
+
+	if (!modules) { /* no modules in the options, look for @MODULES in the db */
+		int ret, j, k;
+		char * attrs[] = { "@MODULE" };
+		struct ldb_message **msg;
+
+		ret = ldb_search(ldb, "", LDB_SCOPE_BASE, "dn=@MODULES", (const char * const *)attrs, &msg);
+		if (ret == 0) {
+			ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db\n");
+		} else {
+			if (ret < 0) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "ldb error (%s) occurred searching for modules, bailing out\n", ldb_errstring(ldb));
+				return -1;
+			}
+			if (ret > 1) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "Too many records found, bailing out\n");
+				return -1;
+			}
+
+			for (j = 0; j < msg[0]->num_elements; j++) {
+				for (k = 0; k < msg[0]->elements[j].num_values; k++) {
+					pn++;
+					modules = ldb_realloc_array(ldb, modules, sizeof(char *), pn);
+					if (!modules) {
+						ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
+						return -1;
+					}
+					modules[pn - 1] = ldb_strndup(ldb, msg[0]->elements[j].values[k].data, msg[0]->elements[j].values[k].length);
+					if (!modules[pn - 1]) {
+						ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in register_modules()\n");
+						return -1;
+					}
+				}
+			}
+		}
+		ldb_search_free(ldb, msg);
+	}
+
+	if (modules) {
+
+		for (i = 0; i < pn; i++) {
+
+			if (strcmp(modules[i], "timestamps") == 0) {
+				current = timestamps_module_init(ldb, options);
+				if (!current) {
+					ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
+					return -1;
+				}
+				DLIST_ADD(ldb->modules, current);
+				continue;
+			}
+#if 0
+			if (strcmp(modules[i], "schema") == 0) {
+				current = schema_module_init(ldb, options);
+				if (!current) {
+					ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
+					return -1;
+				}
+				DLIST_ADD(ldb->modules, current);
+				continue;
+			}
+#endif
+#ifdef HAVE_DLOPEN_DISABLED
+		{
+			void *handle;
+			init_ldb_module_function init;
+			struct stat st;
+			const char *errstr;
+
+			if (stat(modules[i], &st) < 0) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "Required module [%s] not found, bailing out!\n", modules[i]);
+				return -1;
+			}
+
+			handle = dlopen(modules[i], RTLD_LAZY);
+
+			if (!handle) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "Error loading module %s [%s]\n", modules[i], dlerror());
+				return -1;
+			}
+
+			init = (init_ldb_module_function)dlsym(handle, "init_module");
+
+			errstr = dlerror();
+			if (errstr) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "Error trying to resolve symbol 'init_module' in %s [%s]\n", modules[i], errstr);
+				return -1;
+			}
+
+			current = init(ldb, options);
+			if (!current) {
+				ldb_debug(ldb, LDB_DEBUG_FATAL, "function 'init_module' in %s fails\n", modules[i]);
+				return -1;
+			}
+			DLIST_ADD(ldb->modules, current);
+		}
+#else
+		ldb_debug(ldb, LDB_DEBUG_FATAL, "Required module [%s] not found, bailing out!\n", modules[i]);
+		return -1;
+#endif
+		}
+	}
+
+	return 0; 
+}
+
+/*
+   helper functions to call the next module in chain
+*/
+int ldb_next_close(struct ldb_module *module)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->close(module->next);
+}
+
+int ldb_next_search(struct ldb_module *module, 
+	       const char *base,
+	       enum ldb_scope scope,
+	       const char *expression,
+	       const char * const *attrs, struct ldb_message ***res)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->search(module->next, base, scope, expression, attrs, res);
+}
+
+int ldb_next_search_free(struct ldb_module *module, struct ldb_message **msg)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->search_free(module->next, msg);
+}
+
+int ldb_next_add_record(struct ldb_module *module, const struct ldb_message *message)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->add_record(module->next, message);
+}
+
+int ldb_next_modify_record(struct ldb_module *module, const struct ldb_message *message)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->modify_record(module->next, message);
+}
+
+int ldb_next_delete_record(struct ldb_module *module, const char *dn)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->delete_record(module->next, dn);
+}
+
+int ldb_next_rename_record(struct ldb_module *module, const char *olddn, const char *newdn)
+{
+	if (!module->next) {
+		return -1;
+	}
+	return module->next->ops->rename_record(module->next, olddn, newdn);
+}
+
+const char *ldb_next_errstring(struct ldb_module *module)
+{
+	if (!module->next) {
+		return NULL;
+	}
+	return module->next->ops->errstring(module->next);
+}
+
+void ldb_next_cache_free(struct ldb_module *module)
+{
+	if (!module->next) {
+		return;
+	}
+	module->next->ops->cache_free(module->next);
+}
diff --git a/source4/lib/ldb/include/dlinklist.h b/source4/lib/ldb/include/dlinklist.h
new file mode 100644
index 0000000000..40f7f0a0c7
--- /dev/null
+++ b/source4/lib/ldb/include/dlinklist.h
@@ -0,0 +1,93 @@
+/* 
+   Unix SMB/CIFS implementation.
+   some simple double linked list macros
+   Copyright (C) Andrew Tridgell 1998
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* To use these macros you must have a structure containing a next and
+   prev pointer */
+
+
+/* hook into the front of the list */
+#define DLIST_ADD(list, p) \
+do { \
+        if (!(list)) { \
+		(list) = (p); \
+		(p)->next = (p)->prev = NULL; \
+	} else { \
+		(list)->prev = (p); \
+		(p)->next = (list); \
+		(p)->prev = NULL; \
+		(list) = (p); \
+	}\
+} while (0)
+
+/* remove an element from a list - element doesn't have to be in list. */
+#define DLIST_REMOVE(list, p) \
+do { \
+	if ((p) == (list)) { \
+		(list) = (p)->next; \
+		if (list) (list)->prev = NULL; \
+	} else { \
+		if ((p)->prev) (p)->prev->next = (p)->next; \
+		if ((p)->next) (p)->next->prev = (p)->prev; \
+	} \
+	if ((p) && ((p) != (list))) (p)->next = (p)->prev = NULL; \
+} while (0)
+
+/* promote an element to the top of the list */
+#define DLIST_PROMOTE(list, p) \
+do { \
+          DLIST_REMOVE(list, p); \
+          DLIST_ADD(list, p); \
+} while (0)
+
+/* hook into the end of the list - needs a tmp pointer */
+#define DLIST_ADD_END(list, p, type) \
+do { \
+		if (!(list)) { \
+			(list) = (p); \
+			(p)->next = (p)->prev = NULL; \
+		} else { \
+			type tmp; \
+			for (tmp = (list); tmp->next; tmp = tmp->next) ; \
+			tmp->next = (p); \
+			(p)->next = NULL; \
+			(p)->prev = tmp; \
+		} \
+} while (0)
+
+/* demote an element to the end of the list, needs a tmp pointer */
+#define DLIST_DEMOTE(list, p, tmp) \
+do { \
+		DLIST_REMOVE(list, p); \
+		DLIST_ADD_END(list, p, tmp); \
+} while (0)
+
+/* concatenate two lists - putting all elements of the 2nd list at the
+   end of the first list */
+#define DLIST_CONCATENATE(list1, list2, type) \
+do { \
+		if (!(list1)) { \
+			(list1) = (list2); \
+		} else { \
+			type tmp; \
+			for (tmp = (list1); tmp->next; tmp = tmp->next) ; \
+			tmp->next = (list2); \
+			(list2)->prev = tmp; \
+		} \
+} while (0)
diff --git a/source4/lib/ldb/modules/skel.c b/source4/lib/ldb/modules/skel.c
new file mode 100644
index 0000000000..1d6314ee74
--- /dev/null
+++ b/source4/lib/ldb/modules/skel.c
@@ -0,0 +1,123 @@
+/* 
+   ldb database library
+
+   Copyright (C) Simo Sorce  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 skel module
+ *
+ *  Description: example module
+ *
+ *  Author: Simo Sorce
+ */
+
+#include "includes.h"
+
+/* close */
+static int skel_close(struct ldb_module *module)
+{
+	return ldb_next_close(module);
+}
+
+/* search */
+static int skel_search(struct ldb_module *module, const char *base,
+		       enum ldb_scope scope, const char *expression,
+		       const char * const *attrs, struct ldb_message ***res)
+{
+	return ldb_next_search(module, base, scope, expression, attrs, res); 
+}
+
+/* search_free */
+static int skel_search_free(struct ldb_module *module, struct ldb_message **res)
+{
+	return ldb_next_search_free(module, res);
+}
+
+/* add_record */
+static int skel_add_record(struct ldb_module *module, const struct ldb_message *msg)
+{
+	return ldb_next_add_record(module, msg);
+}
+
+/* modify_record */
+static int skel_modify_record(struct ldb_module *module, const struct ldb_message *msg)
+{
+	return ldb_next_modify_record(module, msg);
+}
+
+/* delete_record */
+static int skel_delete_record(struct ldb_module *module, const char *dn)
+{
+	return ldb_next_delete_record(module, dn);
+}
+
+/* rename_record */
+static int skel_rename_record(struct ldb_module *module, const char *olddn, const char *newdn)
+{
+	return ldb_next_rename_record(module, olddn, newdn);
+}
+
+/* return extended error information */
+static const char *skel_errstring(struct ldb_module *module)
+{
+	return ldb_next_errstring(module);
+}
+
+static void skel_cache_free(struct ldb_module *module)
+{
+	ldb_next_cache_free(module);
+}
+
+static const struct ldb_module_ops skel_ops = {
+	"skel",
+	skel_close, 
+	skel_search,
+	skel_search_free,
+	skel_add_record,
+	skel_modify_record,
+	skel_delete_record,
+	skel_rename_record,
+	skel_errstring,
+	skel_cache_free
+};
+
+#ifdef HAVE_DLOPEN
+ struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
+#else
+struct ldb_module *skel_plugin_init(struct ldb_context *ldb, const char *options[])
+#endif
+{
+	struct ldb_module *ctx;
+
+	ctx = (struct ldb_module *)malloc(sizeof(struct ldb_module));
+	if (!ctx)
+		return NULL;
+
+	ctx->ldb = ldb;
+	ctx->prev = ctx->next = NULL;
+	ctx->private_data = NULL;
+	ctx->ops = &skel_ops;
+
+	return ctx;
+}
diff --git a/source4/lib/ldb/modules/timestamps.c b/source4/lib/ldb/modules/timestamps.c
new file mode 100644
index 0000000000..64d7616fb1
--- /dev/null
+++ b/source4/lib/ldb/modules/timestamps.c
@@ -0,0 +1,277 @@
+/* 
+   ldb database library
+
+   Copyright (C) Simo Sorce  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 timestamps module
+ *
+ *  Description: add object timestamping functionality
+ *
+ *  Author: Simo Sorce
+ */
+
+#include "includes.h"
+#include <time.h>
+
+static int timestamps_close(struct ldb_module *module)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_close\n");
+	return ldb_next_close(module);
+}
+
+static int timestamps_search(struct ldb_module *module, const char *base,
+				  enum ldb_scope scope, const char *expression,
+				  const char * const *attrs, struct ldb_message ***res)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_search\n");
+	return ldb_next_search(module, base, scope, expression, attrs, res);
+}
+
+static int timestamps_search_free(struct ldb_module *module, struct ldb_message **res)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_search_free\n");
+	return ldb_next_search_free(module, res);
+}
+
+static int add_time_element(struct ldb_context *ldb, struct ldb_message *msg, const char *attr_name, const char *time_string, unsigned int flags)
+{
+	struct ldb_val *values;
+	char *name, *timestr;
+	int i;
+
+	for (i = 0; i < msg->num_elements; i++) {
+		if (strcasecmp(msg->elements[i].name, attr_name) == 0) {
+			return 0;
+		}
+	}
+
+	msg->elements = ldb_realloc_array(ldb, msg->elements, sizeof(struct ldb_message_element), msg->num_elements + 1);
+	name = ldb_strdup(ldb, attr_name);
+	timestr = ldb_strdup(ldb, time_string);
+	values = ldb_malloc(ldb, sizeof(struct ldb_val));
+	if (!msg->elements || !name || !timestr || !values) {
+		return -1;
+	}
+
+	msg->elements[msg->num_elements].name = name;
+	msg->elements[msg->num_elements].flags = flags;
+	msg->elements[msg->num_elements].num_values = 1;
+	msg->elements[msg->num_elements].values = values;
+	msg->elements[msg->num_elements].values[0].data = timestr;
+	msg->elements[msg->num_elements].values[0].length = strlen(timestr);
+
+	msg->num_elements += 1;
+
+	return 0;
+}
+
+static void free_elements(struct ldb_context *ldb, struct ldb_message *msg, int real_el_num)
+{
+	int i;
+
+	for (i = real_el_num; i < msg->num_elements; i++) {
+		ldb_free(ldb, msg->elements[i].name);
+		ldb_free(ldb, msg->elements[i].values[0].data);
+		ldb_free(ldb, msg->elements[i].values);
+	}
+	ldb_free(ldb, msg->elements);
+	ldb_free(ldb, msg);
+}
+
+/* add_record: add crateTimestamp/modifyTimestamp attributes */
+static int timestamps_add_record(struct ldb_module *module, const struct ldb_message *msg)
+{
+	struct ldb_message *msg2 = NULL;
+	struct tm *tm;
+	char *timestr;
+	time_t timeval;
+	int ret, i;
+
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_add_record\n");
+
+	if (msg->dn[0] != '@') { /* do not manipulate our control entries */
+		timeval = time(NULL);
+	 	tm = gmtime(&timeval);
+		if (!tm) {
+			return -1;
+		}
+
+		/* formatted like: 20040408072012.0Z */
+		ldb_asprintf(module->ldb, &timestr,
+					"%04u%02u%02u%02u%02u%02u.0Z",
+					tm->tm_year+1900, tm->tm_mon+1,
+					tm->tm_mday, tm->tm_hour, tm->tm_min,
+					tm->tm_sec);
+
+		if (!timestr) {
+			return -1;
+		}
+
+		msg2 = ldb_malloc_p(module->ldb, struct ldb_message);
+		if (!msg2) {
+			return -1;
+		}
+		msg2->dn = msg->dn;
+		msg2->num_elements = msg->num_elements;
+		msg2->private_data = msg->private_data;
+		msg2->elements = ldb_malloc_array_p(module->ldb, struct ldb_message_element, msg2->num_elements);
+		for (i = 0; i < msg2->num_elements; i++) {
+			msg2->elements[i] = msg->elements[i];
+		}
+
+		add_time_element(module->ldb, msg2, "createTimestamp", timestr, LDB_FLAG_MOD_ADD);
+		add_time_element(module->ldb, msg2, "modifyTimestamp", timestr, LDB_FLAG_MOD_ADD);
+		add_time_element(module->ldb, msg2, "whenCreated", timestr, LDB_FLAG_MOD_ADD);
+		add_time_element(module->ldb, msg2, "whenChanged", timestr, LDB_FLAG_MOD_ADD);
+
+		ldb_free(module->ldb, timestr);
+	}
+
+	if (msg2) {
+		ret = ldb_next_add_record(module, msg2);
+		free_elements(module->ldb, msg2, msg->num_elements);
+	} else {
+		ret = ldb_next_add_record(module, msg);
+	}
+
+	return ret;
+}
+
+/* modify_record: change modifyTimestamp as well */
+static int timestamps_modify_record(struct ldb_module *module, const struct ldb_message *msg)
+{
+	struct ldb_message *msg2 = NULL;
+	struct tm *tm;
+	char *timestr;
+	time_t timeval;
+	int ret, i;
+
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_modify_record\n");
+
+	if (msg->dn[0] != '@') { /* do not manipulate our control entries */
+		timeval = time(NULL);
+ 		tm = gmtime(&timeval);
+		if (!tm) {
+			return -1;
+		}
+
+		/* formatted like: 20040408072012.0Z */
+		ldb_asprintf(module->ldb, &timestr,
+					"%04u%02u%02u%02u%02u%02u.0Z",
+					tm->tm_year+1900, tm->tm_mon+1,
+					tm->tm_mday, tm->tm_hour, tm->tm_min,
+					tm->tm_sec);
+
+		if (!timestr) {
+			return -1;
+		}
+
+		msg2 = ldb_malloc_p(module->ldb, struct ldb_message);
+		if (!msg2) {
+			return -1;
+		}
+		msg2->dn = msg->dn;
+		msg2->num_elements = msg->num_elements;
+		msg2->private_data = msg->private_data;
+		msg2->elements = ldb_malloc_array_p(module->ldb, struct ldb_message_element, msg2->num_elements);
+		for (i = 0; i < msg2->num_elements; i++) {
+			msg2->elements[i] = msg->elements[i];
+		}
+
+		add_time_element(module->ldb, msg2, "modifyTimestamp", timestr, LDB_FLAG_MOD_REPLACE);
+		add_time_element(module->ldb, msg2, "whenChanged", timestr, LDB_FLAG_MOD_REPLACE);
+
+		ldb_free(module->ldb, timestr);
+	}
+
+	if (msg2) {
+		ret = ldb_next_modify_record(module, msg2);
+		free_elements(module->ldb, msg2, msg->num_elements);
+	} else {
+		ret = ldb_next_modify_record(module, msg);
+	}
+
+	return ret;
+}
+
+static int timestamps_delete_record(struct ldb_module *module, const char *dn)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_delete_record\n");
+	return ldb_next_delete_record(module, dn);
+}
+
+static int timestamps_rename_record(struct ldb_module *module, const char *olddn, const char *newdn)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_rename_record\n");
+	return ldb_next_rename_record(module, olddn, newdn);
+}
+
+/* return extended error information */
+static const char *timestamps_errstring(struct ldb_module *module)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_errstring\n");
+	return ldb_next_errstring(module);
+}
+
+static void timestamps_cache_free(struct ldb_module *module)
+{
+	ldb_debug(module->ldb, LDB_DEBUG_TRACE, "timestamps_cache_free\n");
+	ldb_next_cache_free(module);
+}
+
+static const struct ldb_module_ops timestamps_ops = {
+	"timestamps",
+	timestamps_close, 
+	timestamps_search,
+	timestamps_search_free,
+	timestamps_add_record,
+	timestamps_modify_record,
+	timestamps_delete_record,
+	timestamps_rename_record,
+	timestamps_errstring,
+	timestamps_cache_free
+};
+
+
+/* the init function */
+#ifdef HAVE_DLOPEN_DISABLED
+ struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
+#else
+struct ldb_module *timestamps_module_init(struct ldb_context *ldb, const char *options[])
+#endif
+{
+	struct ldb_module *ctx;
+
+	ctx = (struct ldb_module *)malloc(sizeof(struct ldb_module));
+	if (!ctx)
+		return NULL;
+
+	ctx->ldb = ldb;
+	ctx->prev = ctx->next = NULL;
+	ctx->private_data = NULL;
+	ctx->ops = &timestamps_ops;
+
+	return ctx;
+}