From 23b61265b85f321ae2ceddc6c75771f8881566d8 Mon Sep 17 00:00:00 2001 From: Simo Sorce Date: Fri, 5 Sep 2008 10:13:10 -0400 Subject: Initial Import --- ldb/ldb_ildap/ldb_ildap.c | 843 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 843 insertions(+) create mode 100644 ldb/ldb_ildap/ldb_ildap.c (limited to 'ldb/ldb_ildap/ldb_ildap.c') diff --git a/ldb/ldb_ildap/ldb_ildap.c b/ldb/ldb_ildap/ldb_ildap.c new file mode 100644 index 000000000..5ad671ea2 --- /dev/null +++ b/ldb/ldb_ildap/ldb_ildap.c @@ -0,0 +1,843 @@ +/* + 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 . +*/ + +/* + * 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 asyncronous calls + * date: Feb 2006 + * author: Simo Sorce + */ + + +#include "includes.h" +#include "ldb_includes.h" + +#include "lib/events/events.h" +#include "libcli/ldap/ldap.h" +#include "libcli/ldap/ldap_client.h" +#include "auth/auth.h" +#include "auth/credentials/credentials.h" +#include "param/param.h" + +struct ildb_private { + struct ldap_connection *ldap; + struct ldb_module *module; +}; + +struct ildb_context { + struct ildb_private *ildb; + struct ldb_handle *handle; + struct ldap_request *req; + void *context; + int (*callback)(struct ldb_context *, void *, struct ldb_reply *); +}; + +/* + 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, int *num_mods, + const struct ldb_message *msg, + int use_flags) +{ + struct ldap_mod **mods; + unsigned int i; + 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 ildb_private *ildb, NTSTATUS status) +{ + TALLOC_CTX *mem_ctx = talloc_new(ildb); + if (NT_STATUS_IS_OK(status)) { + return LDB_SUCCESS; + } + if (!mem_ctx) { + ldb_oom(ildb->module->ldb); + return LDB_ERR_OPERATIONS_ERROR; + } + ldb_set_errstring(ildb->module->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 event_context *ev, + struct timed_event *te, + struct timeval t, void *private_data) +{ + struct ildb_context *ac; + struct ldb_handle *handle; + + ac = talloc_get_type(private_data, struct ildb_context); + handle = ac->handle; + + ac = talloc_get_type(private_data, struct ildb_context); + + if (ac->req->state == LDAP_REQUEST_PENDING) { + DLIST_REMOVE(ac->req->conn->pending, ac->req); + } + + handle->status = LDB_ERR_TIME_LIMIT_EXCEEDED; + + return; +} + +static void ildb_callback(struct ldap_request *req) +{ + struct ildb_context *ac; + struct ldb_handle *handle; + struct ildb_private *ildb; + NTSTATUS status; + int i; + + ac = talloc_get_type(req->async.private_data, struct ildb_context); + ildb = ac->ildb; + handle = ac->handle; + handle->status = LDB_SUCCESS; + + if (!NT_STATUS_IS_OK(req->status)) { + handle->status = ildb_map_error(ildb, req->status); + return; + } + + if (req->num_replies < 1) { + handle->status = LDB_ERR_OPERATIONS_ERROR; + return; + } + + switch (req->type) { + + case LDAP_TAG_ModifyRequest: + if (req->replies[0]->type != LDAP_TAG_ModifyResponse) { + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } + status = ldap_check_response(req->conn, &req->replies[0]->r.GeneralResult); + handle->status = ildb_map_error(ildb, status); + if (ac->callback && handle->status == LDB_SUCCESS) { + /* FIXME: build a corresponding ares to pass on */ + handle->status = ac->callback(ac->ildb->module->ldb, ac->context, NULL); + } + handle->state = LDB_ASYNC_DONE; + break; + + case LDAP_TAG_AddRequest: + if (req->replies[0]->type != LDAP_TAG_AddResponse) { + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } + status = ldap_check_response(req->conn, &req->replies[0]->r.GeneralResult); + handle->status = ildb_map_error(ildb, status); + if (ac->callback && handle->status == LDB_SUCCESS) { + /* FIXME: build a corresponding ares to pass on */ + handle->status = ac->callback(ac->ildb->module->ldb, ac->context, NULL); + } + handle->state = LDB_ASYNC_DONE; + break; + + case LDAP_TAG_DelRequest: + if (req->replies[0]->type != LDAP_TAG_DelResponse) { + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } + status = ldap_check_response(req->conn, &req->replies[0]->r.GeneralResult); + handle->status = ildb_map_error(ildb, status); + if (ac->callback && handle->status == LDB_SUCCESS) { + /* FIXME: build a corresponding ares to pass on */ + handle->status = ac->callback(ac->ildb->module->ldb, ac->context, NULL); + } + handle->state = LDB_ASYNC_DONE; + break; + + case LDAP_TAG_ModifyDNRequest: + if (req->replies[0]->type != LDAP_TAG_ModifyDNResponse) { + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } + status = ldap_check_response(req->conn, &req->replies[0]->r.GeneralResult); + handle->status = ildb_map_error(ildb, status); + if (ac->callback && handle->status == LDB_SUCCESS) { + /* FIXME: build a corresponding ares to pass on */ + handle->status = ac->callback(ac->ildb->module->ldb, ac->context, NULL); + } + handle->state = LDB_ASYNC_DONE; + break; + + case LDAP_TAG_SearchRequest: + /* loop over all messages */ + for (i = 0; i < req->num_replies; i++) { + struct ldap_SearchResEntry *search; + struct ldb_reply *ares = NULL; + struct ldap_message *msg; + int ret; + + ares = talloc_zero(ac, struct ldb_reply); + if (!ares) { + handle->status = LDB_ERR_OPERATIONS_ERROR; + return; + } + + msg = req->replies[i]; + switch (msg->type) { + + case LDAP_TAG_SearchResultDone: + + status = ldap_check_response(req->conn, &msg->r.GeneralResult); + if (!NT_STATUS_IS_OK(status)) { + handle->status = ildb_map_error(ildb, status); + return; + } + + ares->controls = talloc_move(ares, &msg->controls); + if (msg->r.SearchResultDone.resultcode) { + if (msg->r.SearchResultDone.errormessage) { + ldb_set_errstring(ac->ildb->module->ldb, msg->r.SearchResultDone.errormessage); + } + } + + handle->status = msg->r.SearchResultDone.resultcode; + handle->state = LDB_ASYNC_DONE; + ares->type = LDB_REPLY_DONE; + break; + + case LDAP_TAG_SearchResultEntry: + + + ares->message = ldb_msg_new(ares); + if (!ares->message) { + handle->status = LDB_ERR_OPERATIONS_ERROR; + return; + } + + search = &(msg->r.SearchResultEntry); + + ares->message->dn = ldb_dn_new(ares->message, ac->ildb->module->ldb, search->dn); + if ( ! ldb_dn_validate(ares->message->dn)) { + handle->status = LDB_ERR_OPERATIONS_ERROR; + return; + } + ares->message->num_elements = search->num_attributes; + ares->message->elements = talloc_move(ares->message, + &search->attributes); + + handle->status = LDB_SUCCESS; + handle->state = LDB_ASYNC_PENDING; + ares->type = LDB_REPLY_ENTRY; + break; + + case LDAP_TAG_SearchResultReference: + + ares->referral = talloc_strdup(ares, msg->r.SearchResultReference.referral); + + handle->status = LDB_SUCCESS; + handle->state = LDB_ASYNC_PENDING; + ares->type = LDB_REPLY_REFERRAL; + break; + + default: + /* TAG not handled, fail ! */ + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } + + ret = ac->callback(ac->ildb->module->ldb, ac->context, ares); + if (ret) { + handle->status = ret; + } + } + + talloc_free(req->replies); + req->replies = NULL; + req->num_replies = 0; + + break; + + default: + handle->status = LDB_ERR_PROTOCOL_ERROR; + return; + } +} + +static struct ildb_context *init_ildb_handle(struct ildb_private *ildb, + struct ldb_request *req) +{ + struct ildb_context *ildb_ac; + struct ldb_handle *h; + + h = talloc_zero(req, struct ldb_handle); + if (h == NULL) { + ldb_set_errstring(ildb->module->ldb, "Out of Memory"); + return NULL; + } + + h->module = ildb->module; + + ildb_ac = talloc(h, struct ildb_context); + if (ildb_ac == NULL) { + ldb_set_errstring(ildb->module->ldb, "Out of Memory"); + talloc_free(h); + return NULL; + } + + h->private_data = ildb_ac; + + h->state = LDB_ASYNC_INIT; + h->status = LDB_SUCCESS; + + ildb_ac->ildb = ildb; + ildb_ac->handle = h; + ildb_ac->context = req->context; + ildb_ac->callback = req->callback; + + req->handle = h; + return ildb_ac; +} + +static int ildb_request_send(struct ildb_private *ildb, struct ldap_message *msg, struct ldb_request *r) +{ + struct ildb_context *ildb_ac = init_ildb_handle(ildb, r); + struct ldap_request *req; + + if (!ildb_ac) { + return LDB_ERR_OPERATIONS_ERROR; + } + + req = ldap_request_send(ildb->ldap, msg); + if (req == NULL) { + ldb_set_errstring(ildb->module->ldb, "async send request failed"); + return LDB_ERR_OPERATIONS_ERROR; + } + ildb_ac->req = talloc_steal(ildb_ac, req); + + if (!req->conn) { + ldb_set_errstring(ildb->module->ldb, "connection to remote LDAP server dropped?"); + return LDB_ERR_OPERATIONS_ERROR; + } + + talloc_free(req->time_event); + req->time_event = NULL; + if (r->timeout) { + req->time_event = event_add_timed(req->conn->event.event_ctx, ildb_ac, + timeval_current_ofs(r->timeout, 0), + ildb_request_timeout, ildb_ac); + } + + req->async.fn = ildb_callback; + req->async.private_data = ildb_ac; + + return LDB_SUCCESS; +} + +static int ildb_request_noop(struct ildb_private *ildb, struct ldb_request *req) +{ + struct ildb_context *ildb_ac = init_ildb_handle(ildb, req); + int ret = LDB_SUCCESS; + + if (!ildb_ac) { + return LDB_ERR_OPERATIONS_ERROR; + } + + if (ildb_ac->callback) { + ret = ildb_ac->callback(ildb->module->ldb, ildb_ac->context, NULL); + } + ildb_ac->handle->state = LDB_ASYNC_DONE; + return ret; +} + +/* + search for matching records using an asynchronous function + */ +static int ildb_search(struct ldb_module *module, struct ldb_request *req) +{ + struct ildb_private *ildb = talloc_get_type(module->private_data, struct ildb_private); + struct ldap_message *msg; + int n; + + req->handle = NULL; + + 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; + } + + if (req->op.search.tree == NULL) { + ldb_set_errstring(module->ldb, "Invalid expression parse tree"); + return LDB_ERR_OPERATIONS_ERROR; + } + + msg = new_ldap_message(req); + if (msg == NULL) { + ldb_set_errstring(module->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_alloc_linearized(msg, req->op.search.base); + } + if (msg->r.SearchRequest.basedn == NULL) { + ldb_set_errstring(module->ldb, "Unable to determine baseDN"); + talloc_free(msg); + return LDB_ERR_OPERATIONS_ERROR; + } + + if (req->op.search.scope == LDB_SCOPE_DEFAULT) { + msg->r.SearchRequest.scope = LDB_SCOPE_SUBTREE; + } else { + msg->r.SearchRequest.scope = req->op.search.scope; + } + + 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 = discard_const(req->op.search.attrs); + msg->controls = req->controls; + + return ildb_request_send(ildb, msg, req); +} + +/* + add a record +*/ +static int ildb_add(struct ldb_module *module, struct ldb_request *req) +{ + struct ildb_private *ildb = talloc_get_type(module->private_data, struct ildb_private); + struct ldap_message *msg; + struct ldap_mod **mods; + int i,n; + + req->handle = NULL; + + /* ignore ltdb specials */ + if (ldb_dn_is_special(req->op.add.message->dn)) { + return ildb_request_noop(ildb, req); + } + + msg = new_ldap_message(req); + if (msg == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + msg->type = LDAP_TAG_AddRequest; + + msg->r.AddRequest.dn = ldb_dn_alloc_linearized(msg, req->op.add.message->dn); + 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; + } + + return ildb_request_send(ildb, msg, req); +} + +/* + modify a record +*/ +static int ildb_modify(struct ldb_module *module, struct ldb_request *req) +{ + struct ildb_private *ildb = talloc_get_type(module->private_data, struct ildb_private); + struct ldap_message *msg; + struct ldap_mod **mods; + int i,n; + + req->handle = NULL; + + /* ignore ltdb specials */ + if (ldb_dn_is_special(req->op.mod.message->dn)) { + return ildb_request_noop(ildb, req); + } + + msg = new_ldap_message(req); + if (msg == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + msg->type = LDAP_TAG_ModifyRequest; + + msg->r.ModifyRequest.dn = ldb_dn_alloc_linearized(msg, req->op.mod.message->dn); + 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]; + } + + return ildb_request_send(ildb, msg, req); +} + +/* + delete a record +*/ +static int ildb_delete(struct ldb_module *module, struct ldb_request *req) +{ + struct ildb_private *ildb = talloc_get_type(module->private_data, struct ildb_private); + struct ldap_message *msg; + + req->handle = NULL; + + /* ignore ltdb specials */ + if (ldb_dn_is_special(req->op.del.dn)) { + return ildb_request_noop(ildb, req); + } + + msg = new_ldap_message(req); + if (msg == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + msg->type = LDAP_TAG_DelRequest; + + msg->r.DelRequest.dn = ldb_dn_alloc_linearized(msg, req->op.del.dn); + if (msg->r.DelRequest.dn == NULL) { + talloc_free(msg); + return LDB_ERR_INVALID_DN_SYNTAX; + } + + return ildb_request_send(ildb, msg, req); +} + +/* + rename a record +*/ +static int ildb_rename(struct ldb_module *module, struct ldb_request *req) +{ + struct ildb_private *ildb = talloc_get_type(module->private_data, struct ildb_private); + struct ldap_message *msg; + + req->handle = NULL; + + /* ignore ltdb specials */ + if (ldb_dn_is_special(req->op.rename.olddn) || ldb_dn_is_special(req->op.rename.newdn)) { + return ildb_request_noop(ildb, req); + } + + msg = new_ldap_message(req); + if (msg == NULL) { + return LDB_ERR_OPERATIONS_ERROR; + } + + msg->type = LDAP_TAG_ModifyDNRequest; + msg->r.ModifyDNRequest.dn = ldb_dn_alloc_linearized(msg, req->op.rename.olddn); + if (msg->r.ModifyDNRequest.dn == NULL) { + talloc_free(msg); + return LDB_ERR_INVALID_DN_SYNTAX; + } + + msg->r.ModifyDNRequest.newrdn = + talloc_asprintf(msg, "%s=%s", + ldb_dn_get_rdn_name(req->op.rename.newdn), + ldb_dn_escape_value(msg, *ldb_dn_get_rdn_val(req->op.rename.newdn))); + 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; + + return ildb_request_send(ildb, msg, req); +} + +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 int ildb_request(struct ldb_module *module, struct ldb_request *req) +{ + return LDB_ERR_OPERATIONS_ERROR; +} + +static int ildb_wait(struct ldb_handle *handle, enum ldb_wait_type type) +{ + struct ildb_context *ac = talloc_get_type(handle->private_data, struct ildb_context); + + if (handle->state == LDB_ASYNC_DONE) { + return handle->status; + } + + if (!ac) { + return LDB_ERR_OPERATIONS_ERROR; + } + + handle->state = LDB_ASYNC_INIT; + + switch(type) { + case LDB_WAIT_NONE: + if (event_loop_once(ac->req->conn->event.event_ctx) != 0) { + return LDB_ERR_OTHER; + } + break; + case LDB_WAIT_ALL: + while (handle->status == LDB_SUCCESS && handle->state != LDB_ASYNC_DONE) { + if (event_loop_once(ac->req->conn->event.event_ctx) != 0) { + return LDB_ERR_OTHER; + } + } + break; + default: + return LDB_ERR_OPERATIONS_ERROR; + } + + return handle->status; +} + +static const struct ldb_module_ops ildb_ops = { + .name = "ldap", + .search = ildb_search, + .add = ildb_add, + .modify = ildb_modify, + .del = ildb_delete, + .rename = ildb_rename, + .request = ildb_request, + .start_transaction = ildb_start_trans, + .end_transaction = ildb_end_trans, + .del_transaction = ildb_del_trans, + .wait = ildb_wait +}; + +/* + 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; + struct cli_credentials *creds; + struct event_context *event_ctx; + + module = talloc(ldb, struct ldb_module); + if (!module) { + ldb_oom(ldb); + return -1; + } + talloc_set_name_const(module, "ldb_ildap backend"); + module->ldb = ldb; + module->prev = module->next = NULL; + module->private_data = NULL; + module->ops = &ildb_ops; + + ildb = talloc(module, struct ildb_private); + if (!ildb) { + ldb_oom(ldb); + goto failed; + } + module->private_data = ildb; + ildb->module = module; + + event_ctx = ldb_get_event_context(ldb); + + ildb->ldap = ldap4_new_connection(ildb, ldb_get_opaque(ldb, "loadparm"), + 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\n", + 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, "sessionInfo"), 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\n", + ldap_errstr(ildb->ldap, module, status)); + goto failed; + } + } else { + status = ldap_bind_sasl(ildb->ldap, creds, ldb_get_opaque(ldb, "loadparm")); + if (!NT_STATUS_IS_OK(status)) { + ldb_debug(ldb, LDB_DEBUG_ERROR, "Failed to bind - %s\n", + ldap_errstr(ildb->ldap, module, status)); + goto failed; + } + } + } + + *_module = module; + return 0; + +failed: + talloc_free(module); + return -1; +} + +_PUBLIC_ const struct ldb_backend_ops ldb_ldap_backend_ops = { + .name = "ldap", + .connect_fn = ildb_connect +}; + +_PUBLIC_ const struct ldb_backend_ops ldb_ldapi_backend_ops = { + .name = "ldapi", + .connect_fn = ildb_connect +}; + +_PUBLIC_ const struct ldb_backend_ops ldb_ldaps_backend_ops = { + .name = "ldaps", + .connect_fn = ildb_connect +}; + -- cgit