diff options
Diffstat (limited to 'lib/ldb-samba/ldb_ildap.c')
| -rw-r--r-- | lib/ldb-samba/ldb_ildap.c | 899 |
1 files changed, 899 insertions, 0 deletions
diff --git a/lib/ldb-samba/ldb_ildap.c b/lib/ldb-samba/ldb_ildap.c new file mode 100644 index 0000000..b15f38b --- /dev/null +++ b/lib/ldb-samba/ldb_ildap.c @@ -0,0 +1,899 @@ +/* + 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; + } + + if (req->op.search.scope == LDB_SCOPE_DEFAULT) { + msg->r.SearchRequest.scope = LDAP_SEARCH_SCOPE_SUB; + } 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 = 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; +} |