1 files changed, 0 insertions, 467 deletions
diff --git a/source3/lib/ldb/modules/paged_searches.c b/source3/lib/ldb/modules/paged_searches.c
deleted file mode 100644
index 99085d2764..0000000000
--- a/source3/lib/ldb/modules/paged_searches.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/* 
-   ldb database library
-
-   Copyright (C) Simo Sorce  2005-2006
-
-     ** 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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
- *  Name: paged_searches
- *
- *  Component: ldb paged searches module
- *
- *  Description: this module detects if the remote ldap server supports
- *               paged results and use them to transparently access all objects
- *
- *  Author: Simo Sorce
- */
-
-#include "includes.h"
-#include "ldb/include/includes.h"
-
-#define PS_DEFAULT_PAGE_SIZE 500
-/* 500 objects per query seem to be a decent compromise
- * the default AD limit per request is 1000 entries */
-
-struct private_data {
-
-	bool paged_supported;
-};
-
-struct ps_context {
-	struct ldb_module *module;
-	void *up_context;
-	int (*up_callback)(struct ldb_context *, void *, struct ldb_reply *);
-
-	struct ldb_request *orig_req;
-
-	struct ldb_request *new_req;
-
-	bool pending;
-
-	char **saved_referrals;
-	int num_referrals;
-};
-
-static struct ldb_handle *init_handle(void *mem_ctx, struct ldb_module *module,
-					    void *context,
-					    int (*callback)(struct ldb_context *, void *, struct ldb_reply *))
-{
-	struct ps_context *ac;
-	struct ldb_handle *h;
-
-	h = talloc_zero(mem_ctx, struct ldb_handle);
-	if (h == NULL) {
-		ldb_set_errstring(module->ldb, "Out of Memory");
-		return NULL;
-	}
-
-	h->module = module;
-
-	ac = talloc_zero(h, struct ps_context);
-	if (ac == NULL) {
-		ldb_set_errstring(module->ldb, "Out of Memory");
-		talloc_free(h);
-		return NULL;
-	}
-
-	h->private_data = (void *)ac;
-
-	h->state = LDB_ASYNC_INIT;
-	h->status = LDB_SUCCESS;
-
-	ac->module = module;
-	ac->up_context = context;
-	ac->up_callback = callback;
-
-	ac->pending = False;
-	ac->saved_referrals = NULL;
-	ac->num_referrals = 0;
-
-	return h;
-}
-
-static int check_ps_continuation(struct ldb_reply *ares, struct ps_context *ac)
-{
-	struct ldb_paged_control *rep_control, *req_control;
-
-	/* look up our paged control */
-	if (!ares->controls || strcmp(LDB_CONTROL_PAGED_RESULTS_OID, ares->controls[0]->oid) != 0) {
-		/* something wrong here */
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	rep_control = talloc_get_type(ares->controls[0]->data, struct ldb_paged_control);
-	if (rep_control->cookie_len == 0) {
-		/* we are done */
-		ac->pending = False;
-		return LDB_SUCCESS;
-	}
-
-	/* more processing required */
-	/* let's fill in the request control with the new cookie */
-	/* if there's a reply control we must find a request
-	 * control matching it */
-
-	if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, ac->new_req->controls[0]->oid) != 0) {
-		/* something wrong here */
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	req_control = talloc_get_type(ac->new_req->controls[0]->data, struct ldb_paged_control);
-
-	if (req_control->cookie) {
-		talloc_free(req_control->cookie);
-	}
-
-	req_control->cookie = talloc_memdup(req_control,
-					    rep_control->cookie,
-					    rep_control->cookie_len);
-	req_control->cookie_len = rep_control->cookie_len;
-
-	ac->pending = True;
-	return LDB_SUCCESS;
-}
-
-static int store_referral(char *referral, struct ps_context *ac)
-{
-	ac->saved_referrals = talloc_realloc(ac, ac->saved_referrals, char *, ac->num_referrals + 2);
-	if (!ac->saved_referrals) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	ac->saved_referrals[ac->num_referrals] = talloc_strdup(ac->saved_referrals, referral);
-	if (!ac->saved_referrals[ac->num_referrals]) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	ac->num_referrals++;
-	ac->saved_referrals[ac->num_referrals] = NULL;
-
-	return LDB_SUCCESS;
-}
-
-static int send_referrals(struct ldb_context *ldb, struct ps_context *ac)
-{
-	struct ldb_reply *ares;
-	int i;
-
-	for (i = 0; i < ac->num_referrals; i++) {
-		ares = talloc_zero(ac, struct ldb_reply);
-		if (!ares) {
-			return LDB_ERR_OPERATIONS_ERROR;
-		}
-
-		ares->type = LDB_REPLY_REFERRAL;
-		ares->referral = ac->saved_referrals[i];
-
-		ac->up_callback(ldb, ac->up_context, ares);
-	}
-
-	return LDB_SUCCESS;
-}
-
-static int ps_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
-{
-	struct ps_context *ac = NULL;
-	int ret = LDB_ERR_OPERATIONS_ERROR;
-
-	if (!context || !ares) {
-		ldb_set_errstring(ldb, "NULL Context or Result in callback");
-		goto error;
-	}
-
-	ac = talloc_get_type(context, struct ps_context);
-
-	switch (ares->type) {
-	case LDB_REPLY_ENTRY:
-		ac->up_callback(ldb, ac->up_context, ares);
-		break;
-
-	case LDB_REPLY_REFERRAL:
-		ret = store_referral(ares->referral, ac);
-		if (ret != LDB_SUCCESS) {
-			goto error;
-		}
-		break;
-
-	case LDB_REPLY_DONE:
-		ret = check_ps_continuation(ares, ac);
-		if (ret != LDB_SUCCESS) {
-			goto error;
-		}
-		if (!ac->pending) {
-			/* send referrals */
-			ret = send_referrals(ldb, ac);
-			if (ret != LDB_SUCCESS) {
-				goto error;
-			}
-
-			/* send REPLY_DONE */
-			ac->up_callback(ldb, ac->up_context, ares);
-		}
-		break;
-	default:
-		goto error;
-	}
-
-	return LDB_SUCCESS;
-
-error:
-	talloc_free(ares);
-	return ret;
-}
-
-static int ps_search(struct ldb_module *module, struct ldb_request *req)
-{
-	struct private_data *private_data;
-	struct ldb_paged_control *control;
-	struct ps_context *ac;
-	struct ldb_handle *h;
-
-	private_data = talloc_get_type(module->private_data, struct private_data);
-
-	/* check if paging is supported and if there is a any control */
-	if (!private_data || !private_data->paged_supported || req->controls) {
-		/* do not touch this request paged controls not
-		 * supported or explicit controls have been set or we
-		 * are just not setup yet */
-		return ldb_next_request(module, req);
-	}
-
-	if (!req->callback || !req->context) {
-		ldb_set_errstring(module->ldb,
-				  "Async interface called with NULL callback function or NULL context");
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-	
-	h = init_handle(req, module, req->context, req->callback);
-	if (!h) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-	ac = talloc_get_type(h->private_data, struct ps_context);
-
-	ac->new_req = talloc(ac, struct ldb_request);
-	if (!ac->new_req) return LDB_ERR_OPERATIONS_ERROR;
-
-	ac->new_req->controls = talloc_array(ac->new_req, struct ldb_control *, 2);
-	if (!ac->new_req->controls) return LDB_ERR_OPERATIONS_ERROR;
-
-	ac->new_req->controls[0] = talloc(ac->new_req->controls, struct ldb_control);
-	if (!ac->new_req->controls[0]) return LDB_ERR_OPERATIONS_ERROR;
-
-	control = talloc(ac->new_req->controls[0], struct ldb_paged_control);
-	if (!control) return LDB_ERR_OPERATIONS_ERROR;
-
-	control->size = PS_DEFAULT_PAGE_SIZE;
-	control->cookie = NULL;
-	control->cookie_len = 0;
-
-	ac->new_req->controls[0]->oid = LDB_CONTROL_PAGED_RESULTS_OID;
-	ac->new_req->controls[0]->critical = 1;
-	ac->new_req->controls[0]->data = control;
-
-	ac->new_req->controls[1] = NULL;
-
-	ac->new_req->operation = req->operation;
-	ac->new_req->op.search.base = req->op.search.base;
-	ac->new_req->op.search.scope = req->op.search.scope;
-	ac->new_req->op.search.tree = req->op.search.tree;
-	ac->new_req->op.search.attrs = req->op.search.attrs;
-	ac->new_req->context = ac;
-	ac->new_req->callback = ps_callback;
-	ldb_set_timeout_from_prev_req(module->ldb, req, ac->new_req);
-
-	req->handle = h;
-
-	return ldb_next_request(module, ac->new_req);
-}
-
-static int ps_continuation(struct ldb_handle *handle)
-{
-	struct ps_context *ac;
-
-	if (!handle || !handle->private_data) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	ac = talloc_get_type(handle->private_data, struct ps_context);
-
-	/* reset the requests handle */
-	ac->new_req->handle = NULL;
-
-	return ldb_next_request(handle->module, ac->new_req);
-}
-
-static int ps_wait_none(struct ldb_handle *handle)
-{
-	struct ps_context *ac;
-	int ret;
-    
-	if (!handle || !handle->private_data) {
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	if (handle->state == LDB_ASYNC_DONE) {
-		return handle->status;
-	}
-
-	handle->state = LDB_ASYNC_PENDING;
-	handle->status = LDB_SUCCESS;
-
-	ac = talloc_get_type(handle->private_data, struct ps_context);
-
-	ret = ldb_wait(ac->new_req->handle, LDB_WAIT_NONE);
-
-	if (ret != LDB_SUCCESS) {
-		handle->status = ret;
-		goto done;
-	}
-
-	if (ac->new_req->handle->status != LDB_SUCCESS) {
-		handle->status = ac->new_req->handle->status;
-		goto done;
-	}
-
-	if (ac->new_req->handle->state != LDB_ASYNC_DONE) {
-		return LDB_SUCCESS;
-	} 
-
-	/* see if we need to send another request for the next batch */
-	if (ac->pending) {
-		ret = ps_continuation(handle);
-		if (ret != LDB_SUCCESS) {
-			handle->status = ret;
-			goto done;
-		}
-
-		/* continue the search with the next request */
-		return LDB_SUCCESS;
-	}
-
-	ret = LDB_SUCCESS;
-
-done:
-	handle->state = LDB_ASYNC_DONE;
-	return ret;
-}
-
-static int ps_wait_all(struct ldb_handle *handle)
-{
-	int ret;
-
-	while (handle->state != LDB_ASYNC_DONE) {
-		ret = ps_wait_none(handle);
-		if (ret != LDB_SUCCESS) {
-			return ret;
-		}
-	}
-
-	return handle->status;
-}
-
-static int ps_wait(struct ldb_handle *handle, enum ldb_wait_type type)
-{
-	if (type == LDB_WAIT_ALL) {
-		return ps_wait_all(handle);
-	} else {
-		return ps_wait_none(handle);
-	}
-}
-
-static int check_supported_paged(struct ldb_context *ldb, void *context, 
-				 struct ldb_reply *ares) 
-{
-	struct private_data *data;
-	data = talloc_get_type(context,
-			       struct private_data);
-	if (ares->type == LDB_REPLY_ENTRY) {
-		if (ldb_msg_check_string_attribute(ares->message,
-						   "supportedControl",
-						   LDB_CONTROL_PAGED_RESULTS_OID)) {
-			data->paged_supported = True;
-		}
-	}
-	return LDB_SUCCESS;
-}
-
-
-static int ps_init(struct ldb_module *module)
-{
-	static const char *attrs[] = { "supportedControl", NULL };
-	struct private_data *data;
-	int ret;
-	struct ldb_request *req;
-
-	data = talloc(module, struct private_data);
-	if (data == NULL) {
-		return LDB_ERR_OTHER;
-	}
-	module->private_data = data;
-	data->paged_supported = False;
-
-	req = talloc(module, struct ldb_request);
-	if (req == NULL) {
-		ldb_set_errstring(module->ldb, "Out of Memory");
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	req->operation = LDB_SEARCH;
-	req->op.search.base = ldb_dn_new(req);
-	req->op.search.scope = LDB_SCOPE_BASE;
-
-	req->op.search.tree = ldb_parse_tree(req, "objectClass=*");
-	if (req->op.search.tree == NULL) {
-		ldb_set_errstring(module->ldb, "Unable to parse search expression");
-		talloc_free(req);
-		return LDB_ERR_OPERATIONS_ERROR;
-	}
-
-	req->op.search.attrs = attrs;
-	req->controls = NULL;
-	req->context = data;
-	req->callback = check_supported_paged;
-	ldb_set_timeout(module->ldb, req, 0); /* use default timeout */
-
-	ret = ldb_next_request(module, req);
-	
-	if (ret == LDB_SUCCESS) {
-		ret = ldb_wait(req->handle, LDB_WAIT_ALL);
-	}
-	
-	talloc_free(req);
-	if (ret != LDB_SUCCESS) {
-		return ret;
-	}
-
-	return ldb_next_init(module);
-}
-
-static const struct ldb_module_ops ps_ops = {
-	.name           = "paged_searches",
-	.search         = ps_search,
-	.wait           = ps_wait,
-	.init_context 	= ps_init
-};
-
-int ldb_paged_searches_init(void)
-{
-	return ldb_register_module(&ps_ops);
-}
-