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samba-mirror/lib/ldb-samba/ldb_ildap.c
Andreas Schneider 1379b0e13c lib:ldb-samba: Correctly handle search scope
lib/ldb-samba/ldb_ildap.c:482:47: error: implicit conversion from enumeration
    type 'enum ldb_scope' to different enumeration type 'enum ldap_scope'
    [-Werror,-Wenum-conversion]
                msg->r.SearchRequest.scope = req->op.search.scope;
                                           ~ ~~~~~~~~~~~~~~~^~~~~

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2023-02-06 22:51:31 +00:00

907 lines
21 KiB
C

/*
ldb database library - ildap backend
Copyright (C) Andrew Tridgell 2005
Copyright (C) Simo Sorce 2008
** 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: ldb_ildap
*
* Component: ldb ildap backend
*
* Description: This is a ldb backend for the internal ldap
* client library in Samba4. By using this backend we are
* independent of a system ldap library
*
* Author: Andrew Tridgell
*
* Modifications:
*
* - description: make the module use asynchronous calls
* date: Feb 2006
* author: Simo Sorce
*/
#include "includes.h"
#include "ldb_module.h"
#include "util/dlinklist.h"
#include "libcli/ldap/libcli_ldap.h"
#include "libcli/ldap/ldap_client.h"
#include "auth/auth.h"
#include "auth/credentials/credentials.h"
#include "dsdb/common/util.h"
struct ildb_private {
struct ldap_connection *ldap;
struct tevent_context *event_ctx;
};
struct ildb_context {
struct ldb_module *module;
struct ldb_request *req;
struct ildb_private *ildb;
struct ldap_request *ireq;
/* indicate we are already processing
* the ldap_request in ildb_callback() */
bool in_ildb_callback;
bool done;
struct ildb_destructor_ctx *dc;
};
static void ildb_request_done(struct ildb_context *ctx,
struct ldb_control **ctrls, int error)
{
struct ldb_context *ldb;
struct ldb_reply *ares;
ldb = ldb_module_get_ctx(ctx->module);
ctx->done = true;
if (ctx->req == NULL) {
/* if the req has been freed already just return */
return;
}
ares = talloc_zero(ctx->req, struct ldb_reply);
if (!ares) {
ldb_oom(ldb);
ctx->req->callback(ctx->req, NULL);
return;
}
ares->type = LDB_REPLY_DONE;
ares->controls = talloc_steal(ares, ctrls);
ares->error = error;
ctx->req->callback(ctx->req, ares);
}
static void ildb_auto_done_callback(struct tevent_context *ev,
struct tevent_timer *te,
struct timeval t,
void *private_data)
{
struct ildb_context *ac;
ac = talloc_get_type(private_data, struct ildb_context);
ildb_request_done(ac, NULL, LDB_SUCCESS);
}
/*
convert a ldb_message structure to a list of ldap_mod structures
ready for ildap_add() or ildap_modify()
*/
static struct ldap_mod **ildb_msg_to_mods(void *mem_ctx, unsigned int *num_mods,
const struct ldb_message *msg,
int use_flags)
{
struct ldap_mod **mods;
unsigned int i;
unsigned int n = 0;
/* allocate maximum number of elements needed */
mods = talloc_array(mem_ctx, struct ldap_mod *, msg->num_elements+1);
if (!mods) {
errno = ENOMEM;
return NULL;
}
mods[0] = NULL;
for (i = 0; i < msg->num_elements; i++) {
const struct ldb_message_element *el = &msg->elements[i];
mods[n] = talloc(mods, struct ldap_mod);
if (!mods[n]) {
goto failed;
}
mods[n + 1] = NULL;
mods[n]->type = 0;
mods[n]->attrib = *el;
if (use_flags) {
switch (el->flags & LDB_FLAG_MOD_MASK) {
case LDB_FLAG_MOD_ADD:
mods[n]->type = LDAP_MODIFY_ADD;
break;
case LDB_FLAG_MOD_DELETE:
mods[n]->type = LDAP_MODIFY_DELETE;
break;
case LDB_FLAG_MOD_REPLACE:
mods[n]->type = LDAP_MODIFY_REPLACE;
break;
}
}
n++;
}
*num_mods = n;
return mods;
failed:
talloc_free(mods);
return NULL;
}
/*
map an ildap NTSTATUS to a ldb error code
*/
static int ildb_map_error(struct ldb_module *module, NTSTATUS status)
{
struct ildb_private *ildb;
struct ldb_context *ldb;
TALLOC_CTX *mem_ctx;
ildb = talloc_get_type(ldb_module_get_private(module), struct ildb_private);
ldb = ldb_module_get_ctx(module);
if (NT_STATUS_IS_OK(status)) {
return LDB_SUCCESS;
}
mem_ctx = talloc_new(ildb);
if (!mem_ctx) {
ldb_oom(ldb);
return LDB_ERR_OPERATIONS_ERROR;
}
ldb_set_errstring(ldb,
ldap_errstr(ildb->ldap, mem_ctx, status));
talloc_free(mem_ctx);
if (NT_STATUS_IS_LDAP(status)) {
return NT_STATUS_LDAP_CODE(status);
}
return LDB_ERR_OPERATIONS_ERROR;
}
static void ildb_request_timeout(struct tevent_context *ev, struct tevent_timer *te,
struct timeval t, void *private_data)
{
struct ildb_context *ac = talloc_get_type(private_data, struct ildb_context);
if (ac->ireq->state == LDAP_REQUEST_PENDING) {
DLIST_REMOVE(ac->ireq->conn->pending, ac->ireq);
}
ildb_request_done(ac, NULL, LDB_ERR_TIME_LIMIT_EXCEEDED);
}
static void ildb_callback(struct ldap_request *req)
{
struct ldb_context *ldb;
struct ildb_context *ac;
NTSTATUS status;
struct ldap_SearchResEntry *search;
struct ldap_message *msg;
struct ldb_control **controls;
struct ldb_message *ldbmsg;
char *referral;
bool callback_failed;
bool request_done;
int ret;
int i;
ac = talloc_get_type(req->async.private_data, struct ildb_context);
ldb = ldb_module_get_ctx(ac->module);
callback_failed = false;
request_done = false;
controls = NULL;
/* check if we are already processing this request */
if (ac->in_ildb_callback) {
return;
}
/* mark the request as being in process */
ac->in_ildb_callback = true;
if (!NT_STATUS_IS_OK(req->status)) {
ret = ildb_map_error(ac->module, req->status);
ildb_request_done(ac, NULL, ret);
return;
}
if (req->num_replies < 1) {
ret = LDB_ERR_OPERATIONS_ERROR;
ildb_request_done(ac, NULL, ret);
return;
}
switch (req->type) {
case LDAP_TAG_ModifyRequest:
if (req->replies[0]->type != LDAP_TAG_ModifyResponse) {
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
status = ldap_check_response(ac->ireq->conn, &req->replies[0]->r.GeneralResult);
ret = ildb_map_error(ac->module, status);
request_done = true;
break;
case LDAP_TAG_AddRequest:
if (req->replies[0]->type != LDAP_TAG_AddResponse) {
ret = LDB_ERR_PROTOCOL_ERROR;
return;
}
status = ldap_check_response(ac->ireq->conn, &req->replies[0]->r.GeneralResult);
ret = ildb_map_error(ac->module, status);
request_done = true;
break;
case LDAP_TAG_DelRequest:
if (req->replies[0]->type != LDAP_TAG_DelResponse) {
ret = LDB_ERR_PROTOCOL_ERROR;
return;
}
status = ldap_check_response(ac->ireq->conn, &req->replies[0]->r.GeneralResult);
ret = ildb_map_error(ac->module, status);
request_done = true;
break;
case LDAP_TAG_ModifyDNRequest:
if (req->replies[0]->type != LDAP_TAG_ModifyDNResponse) {
ret = LDB_ERR_PROTOCOL_ERROR;
return;
}
status = ldap_check_response(ac->ireq->conn, &req->replies[0]->r.GeneralResult);
ret = ildb_map_error(ac->module, status);
request_done = true;
break;
case LDAP_TAG_SearchRequest:
/* loop over all messages */
for (i = 0; i < req->num_replies; i++) {
msg = req->replies[i];
switch (msg->type) {
case LDAP_TAG_SearchResultDone:
status = ldap_check_response(ac->ireq->conn, &msg->r.GeneralResult);
if (!NT_STATUS_IS_OK(status)) {
ret = ildb_map_error(ac->module, status);
break;
}
controls = talloc_steal(ac, msg->controls);
if (msg->r.SearchResultDone.resultcode) {
if (msg->r.SearchResultDone.errormessage) {
ldb_set_errstring(ldb, msg->r.SearchResultDone.errormessage);
}
}
ret = msg->r.SearchResultDone.resultcode;
request_done = true;
break;
case LDAP_TAG_SearchResultEntry:
ldbmsg = ldb_msg_new(ac);
if (!ldbmsg) {
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
search = &(msg->r.SearchResultEntry);
ldbmsg->dn = ldb_dn_new(ldbmsg, ldb, search->dn);
if ( ! ldb_dn_validate(ldbmsg->dn)) {
ret = LDB_ERR_OPERATIONS_ERROR;
break;
}
ldbmsg->num_elements = search->num_attributes;
ldbmsg->elements = talloc_move(ldbmsg, &search->attributes);
controls = talloc_steal(ac, msg->controls);
ret = ldb_module_send_entry(ac->req, ldbmsg, controls);
if (ret != LDB_SUCCESS) {
callback_failed = true;
}
break;
case LDAP_TAG_SearchResultReference:
referral = talloc_strdup(ac, msg->r.SearchResultReference.referral);
ret = ldb_module_send_referral(ac->req, referral);
if (ret != LDB_SUCCESS) {
callback_failed = true;
}
break;
default:
/* TAG not handled, fail ! */
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
if (ret != LDB_SUCCESS) {
break;
}
}
talloc_free(req->replies);
req->replies = NULL;
req->num_replies = 0;
break;
default:
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
if (ret != LDB_SUCCESS) {
/* if the callback failed the caller will have freed the
* request. Just return and don't try to use it */
if ( ! callback_failed) {
request_done = true;
}
}
/* mark the request as not being in progress */
ac->in_ildb_callback = false;
if (request_done) {
ildb_request_done(ac, controls, ret);
}
return;
}
static int ildb_request_send(struct ildb_context *ac, struct ldap_message *msg)
{
struct ldb_context *ldb;
struct ldap_request *req;
if (!ac) {
return LDB_ERR_OPERATIONS_ERROR;
}
ldb = ldb_module_get_ctx(ac->module);
ldb_request_set_state(ac->req, LDB_ASYNC_PENDING);
req = ldap_request_send(ac->ildb->ldap, msg);
if (req == NULL) {
ldb_set_errstring(ldb, "async send request failed");
return LDB_ERR_OPERATIONS_ERROR;
}
ac->ireq = talloc_reparent(ac->ildb->ldap, ac, req);
if (!ac->ireq->conn) {
ldb_set_errstring(ldb, "connection to remote LDAP server dropped?");
return LDB_ERR_OPERATIONS_ERROR;
}
TALLOC_FREE(req->time_event);
if (ac->req->timeout > 0) {
struct timeval tv = {
.tv_sec = ac->req->starttime + ac->req->timeout,
};
req->time_event = tevent_add_timer(ac->ildb->event_ctx, ac, tv,
ildb_request_timeout, ac);
}
req->async.fn = ildb_callback;
req->async.private_data = ac;
return LDB_SUCCESS;
}
/*
search for matching records using an asynchronous function
*/
static int ildb_search(struct ildb_context *ac)
{
struct ldb_context *ldb;
struct ldb_request *req = ac->req;
struct ldap_message *msg;
int n;
ldb = ldb_module_get_ctx(ac->module);
if (!req->callback || !req->context) {
ldb_set_errstring(ldb, "Async interface called with NULL callback function or NULL context");
return LDB_ERR_OPERATIONS_ERROR;
}
if (req->op.search.tree == NULL) {
ldb_set_errstring(ldb, "Invalid expression parse tree");
return LDB_ERR_OPERATIONS_ERROR;
}
msg = new_ldap_message(req);
if (msg == NULL) {
ldb_set_errstring(ldb, "Out of Memory");
return LDB_ERR_OPERATIONS_ERROR;
}
msg->type = LDAP_TAG_SearchRequest;
if (req->op.search.base == NULL) {
msg->r.SearchRequest.basedn = talloc_strdup(msg, "");
} else {
msg->r.SearchRequest.basedn = ldb_dn_get_extended_linearized(msg, req->op.search.base, 0);
}
if (msg->r.SearchRequest.basedn == NULL) {
ldb_set_errstring(ldb, "Unable to determine baseDN");
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
switch (req->op.search.scope) {
case LDB_SCOPE_DEFAULT:
case LDB_SCOPE_SUBTREE:
msg->r.SearchRequest.scope = LDAP_SEARCH_SCOPE_SUB;
break;
case LDB_SCOPE_BASE:
msg->r.SearchRequest.scope = LDAP_SEARCH_SCOPE_BASE;
break;
case LDB_SCOPE_ONELEVEL:
msg->r.SearchRequest.scope = LDAP_SEARCH_SCOPE_SINGLE;
break;
}
msg->r.SearchRequest.deref = LDAP_DEREFERENCE_NEVER;
msg->r.SearchRequest.timelimit = 0;
msg->r.SearchRequest.sizelimit = 0;
msg->r.SearchRequest.attributesonly = 0;
msg->r.SearchRequest.tree = discard_const(req->op.search.tree);
for (n = 0; req->op.search.attrs && req->op.search.attrs[n]; n++) /* noop */ ;
msg->r.SearchRequest.num_attributes = n;
msg->r.SearchRequest.attributes = req->op.search.attrs;
msg->controls = req->controls;
return ildb_request_send(ac, msg);
}
/*
add a record
*/
static int ildb_add(struct ildb_context *ac)
{
struct ldb_request *req = ac->req;
struct ldap_message *msg;
struct ldap_mod **mods;
unsigned int i,n;
msg = new_ldap_message(req);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg->type = LDAP_TAG_AddRequest;
msg->r.AddRequest.dn = ldb_dn_get_extended_linearized(msg, req->op.add.message->dn, 0);
if (msg->r.AddRequest.dn == NULL) {
talloc_free(msg);
return LDB_ERR_INVALID_DN_SYNTAX;
}
mods = ildb_msg_to_mods(msg, &n, req->op.add.message, 0);
if (mods == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
msg->r.AddRequest.num_attributes = n;
msg->r.AddRequest.attributes = talloc_array(msg, struct ldb_message_element, n);
if (msg->r.AddRequest.attributes == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
for (i = 0; i < n; i++) {
msg->r.AddRequest.attributes[i] = mods[i]->attrib;
}
msg->controls = req->controls;
return ildb_request_send(ac, msg);
}
/*
modify a record
*/
static int ildb_modify(struct ildb_context *ac)
{
struct ldb_request *req = ac->req;
struct ldap_message *msg;
struct ldap_mod **mods;
unsigned int i,n;
msg = new_ldap_message(req);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg->type = LDAP_TAG_ModifyRequest;
msg->r.ModifyRequest.dn = ldb_dn_get_extended_linearized(msg, req->op.mod.message->dn, 0);
if (msg->r.ModifyRequest.dn == NULL) {
talloc_free(msg);
return LDB_ERR_INVALID_DN_SYNTAX;
}
mods = ildb_msg_to_mods(msg, &n, req->op.mod.message, 1);
if (mods == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
msg->r.ModifyRequest.num_mods = n;
msg->r.ModifyRequest.mods = talloc_array(msg, struct ldap_mod, n);
if (msg->r.ModifyRequest.mods == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
for (i = 0; i < n; i++) {
msg->r.ModifyRequest.mods[i] = *mods[i];
}
msg->controls = req->controls;
return ildb_request_send(ac, msg);
}
/*
delete a record
*/
static int ildb_delete(struct ildb_context *ac)
{
struct ldb_request *req = ac->req;
struct ldap_message *msg;
msg = new_ldap_message(req);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg->type = LDAP_TAG_DelRequest;
msg->r.DelRequest.dn = ldb_dn_get_extended_linearized(msg, req->op.del.dn, 0);
if (msg->r.DelRequest.dn == NULL) {
talloc_free(msg);
return LDB_ERR_INVALID_DN_SYNTAX;
}
msg->controls = req->controls;
return ildb_request_send(ac, msg);
}
/*
rename a record
*/
static int ildb_rename(struct ildb_context *ac)
{
struct ldb_request *req = ac->req;
struct ldap_message *msg;
const char *rdn_name;
const struct ldb_val *rdn_val;
msg = new_ldap_message(req);
if (msg == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
msg->type = LDAP_TAG_ModifyDNRequest;
msg->r.ModifyDNRequest.dn = ldb_dn_get_extended_linearized(msg, req->op.rename.olddn, 0);
if (msg->r.ModifyDNRequest.dn == NULL) {
talloc_free(msg);
return LDB_ERR_INVALID_DN_SYNTAX;
}
rdn_name = ldb_dn_get_rdn_name(req->op.rename.newdn);
rdn_val = ldb_dn_get_rdn_val(req->op.rename.newdn);
if ((rdn_name != NULL) && (rdn_val != NULL)) {
msg->r.ModifyDNRequest.newrdn =
talloc_asprintf(msg, "%s=%s", rdn_name,
rdn_val->length > 0 ? ldb_dn_escape_value(msg, *rdn_val) : "");
} else {
msg->r.ModifyDNRequest.newrdn = talloc_strdup(msg, "");
}
if (msg->r.ModifyDNRequest.newrdn == NULL) {
talloc_free(msg);
return LDB_ERR_OPERATIONS_ERROR;
}
msg->r.ModifyDNRequest.newsuperior =
ldb_dn_alloc_linearized(msg, ldb_dn_get_parent(msg, req->op.rename.newdn));
if (msg->r.ModifyDNRequest.newsuperior == NULL) {
talloc_free(msg);
return LDB_ERR_INVALID_DN_SYNTAX;
}
msg->r.ModifyDNRequest.deleteolddn = true;
msg->controls = req->controls;
return ildb_request_send(ac, msg);
}
static int ildb_start_trans(struct ldb_module *module)
{
/* TODO implement a local locking mechanism here */
return LDB_SUCCESS;
}
static int ildb_end_trans(struct ldb_module *module)
{
/* TODO implement a local transaction mechanism here */
return LDB_SUCCESS;
}
static int ildb_del_trans(struct ldb_module *module)
{
/* TODO implement a local locking mechanism here */
return LDB_SUCCESS;
}
static bool ildb_dn_is_special(struct ldb_request *req)
{
struct ldb_dn *dn = NULL;
switch (req->operation) {
case LDB_SEARCH:
dn = req->op.search.base;
break;
case LDB_ADD:
dn = req->op.add.message->dn;
break;
case LDB_MODIFY:
dn = req->op.mod.message->dn;
break;
case LDB_DELETE:
dn = req->op.del.dn;
break;
case LDB_RENAME:
dn = req->op.rename.olddn;
break;
default:
break;
}
if (dn && ldb_dn_is_special(dn)) {
return true;
}
return false;
}
static int ildb_handle_request(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_context *ldb;
struct ildb_private *ildb;
struct ildb_context *ac;
struct tevent_timer *te;
int ret;
ildb = talloc_get_type(ldb_module_get_private(module), struct ildb_private);
ldb = ldb_module_get_ctx(module);
if (req->starttime == 0 || req->timeout == 0) {
ldb_set_errstring(ldb, "Invalid timeout settings");
return LDB_ERR_TIME_LIMIT_EXCEEDED;
}
ac = talloc_zero(req, struct ildb_context);
if (ac == NULL) {
ldb_set_errstring(ldb, "Out of Memory");
return LDB_ERR_OPERATIONS_ERROR;
}
ac->module = module;
ac->req = req;
ac->ildb = ildb;
if (ildb_dn_is_special(req)) {
te = tevent_add_timer(ac->ildb->event_ctx,
ac, timeval_zero(),
ildb_auto_done_callback, ac);
if (NULL == te) {
return LDB_ERR_OPERATIONS_ERROR;
}
return LDB_SUCCESS;
}
switch (ac->req->operation) {
case LDB_SEARCH:
ret = ildb_search(ac);
break;
case LDB_ADD:
ret = ildb_add(ac);
break;
case LDB_MODIFY:
ret = ildb_modify(ac);
break;
case LDB_DELETE:
ret = ildb_delete(ac);
break;
case LDB_RENAME:
ret = ildb_rename(ac);
break;
default:
/* no other op supported */
ret = LDB_ERR_PROTOCOL_ERROR;
break;
}
return ret;
}
static const struct ldb_module_ops ildb_ops = {
.name = "ldap",
.search = ildb_handle_request,
.add = ildb_handle_request,
.modify = ildb_handle_request,
.del = ildb_handle_request,
.rename = ildb_handle_request,
/* .request = ildb_handle_request, */
.start_transaction = ildb_start_trans,
.end_transaction = ildb_end_trans,
.del_transaction = ildb_del_trans,
};
/*
connect to the database
*/
static int ildb_connect(struct ldb_context *ldb, const char *url,
unsigned int flags, const char *options[],
struct ldb_module **_module)
{
struct ldb_module *module;
struct ildb_private *ildb;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
struct cli_credentials *creds;
struct loadparm_context *lp_ctx;
module = ldb_module_new(ldb, ldb, "ldb_ildap backend", &ildb_ops);
if (!module) return LDB_ERR_OPERATIONS_ERROR;
ildb = talloc(module, struct ildb_private);
if (!ildb) {
ldb_oom(ldb);
goto failed;
}
ldb_module_set_private(module, ildb);
ildb->event_ctx = ldb_get_event_context(ldb);
lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
struct loadparm_context);
ildb->ldap = ldap4_new_connection(ildb, lp_ctx,
ildb->event_ctx);
if (!ildb->ldap) {
ldb_oom(ldb);
goto failed;
}
if (flags & LDB_FLG_RECONNECT) {
ldap_set_reconn_params(ildb->ldap, 10);
}
status = ldap_connect(ildb->ldap, url);
if (!NT_STATUS_IS_OK(status)) {
ldb_debug(ldb, LDB_DEBUG_ERROR, "Failed to connect to ldap URL '%s' - %s",
url, ldap_errstr(ildb->ldap, module, status));
goto failed;
}
/* caller can optionally setup credentials using the opaque token 'credentials' */
creds = talloc_get_type(ldb_get_opaque(ldb, "credentials"), struct cli_credentials);
if (creds == NULL) {
struct auth_session_info *session_info = talloc_get_type(
ldb_get_opaque(ldb, DSDB_SESSION_INFO),
struct auth_session_info);
if (session_info) {
creds = session_info->credentials;
}
}
if (creds != NULL && cli_credentials_authentication_requested(creds)) {
const char *bind_dn = cli_credentials_get_bind_dn(creds);
if (bind_dn) {
const char *password = cli_credentials_get_password(creds);
status = ldap_bind_simple(ildb->ldap, bind_dn, password);
if (!NT_STATUS_IS_OK(status)) {
ldb_debug(ldb, LDB_DEBUG_ERROR, "Failed to bind - %s",
ldap_errstr(ildb->ldap, module, status));
goto failed;
}
} else {
status = ldap_bind_sasl(ildb->ldap, creds, lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
ldb_debug(ldb, LDB_DEBUG_ERROR, "Failed to bind - %s",
ldap_errstr(ildb->ldap, module, status));
goto failed;
}
}
}
*_module = module;
return LDB_SUCCESS;
failed:
if (ildb != NULL && ildb->ldap != NULL) {
ldb_set_errstring(ldb, ldap_errstr(ildb->ldap, module, status));
}
talloc_free(module);
if (NT_STATUS_IS_LDAP(status)) {
return NT_STATUS_LDAP_CODE(status);
}
if (NT_STATUS_EQUAL(status, NT_STATUS_WRONG_PASSWORD)
|| NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
|| NT_STATUS_EQUAL(status, NT_STATUS_LOGON_FAILURE)
|| NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_LOCKED_OUT)) {
return LDB_ERR_INVALID_CREDENTIALS;
}
return LDB_ERR_OPERATIONS_ERROR;
}
/*
initialise the module
*/
_PUBLIC_ int ldb_ildap_init(const char *ldb_version)
{
int ret, i;
const char *names[] = { "ldap", "ldaps", "ldapi", NULL };
for (i=0; names[i]; i++) {
ret = ldb_register_backend(names[i], ildb_connect, true);
if (ret != LDB_SUCCESS) {
return ret;
}
}
return LDB_SUCCESS;
}