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2c1a4a516f
Patch updated for recent samba versions in merge request #3295 by kvvloten Initial patch created by Jeremy Allison (https://www.spinics.net/lists/samba/msg161128.html) to log LDAP server queries/functions in a separate file Signed-off-by: Andréas Leroux <aleroux@tranquil.it> Reviewed-by: Andreas Schneider <asn@samba.org> Reviewed-by: Jo Sutton <josutton@catalyst.net.nz> Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org> Autobuild-Date(master): Tue Jul 9 08:37:22 UTC 2024 on atb-devel-224
833 lines
22 KiB
C
833 lines
22 KiB
C
/*
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Unix SMB/CIFS implementation.
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LDAP server
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Copyright (C) Stefan Metzmacher 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "ldap_server/ldap_server.h"
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#include "auth/auth.h"
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#include "samba/service.h"
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#include <ldb.h>
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#include <ldb_errors.h>
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#include "../lib/util/dlinklist.h"
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#include "dsdb/samdb/samdb.h"
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#include "auth/gensec/gensec.h"
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#include "auth/gensec/gensec_tstream.h"
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#include "lib/tls/tls.h"
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#include "param/param.h"
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#include "../lib/util/tevent_ntstatus.h"
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#include "lib/util/time_basic.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_LDAPSRV
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static char *ldapsrv_bind_error_msg(TALLOC_CTX *mem_ctx,
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HRESULT hresult,
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uint32_t DSID,
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NTSTATUS status)
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{
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WERROR werr;
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char *msg = NULL;
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status = nt_status_squash(status);
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werr = ntstatus_to_werror(status);
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/*
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* There are 4 lower case hex digits following 'v' at the end,
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* but different Windows Versions return different values:
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*
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* Windows 2008R2 uses 'v1db1'
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* Windows 2012R2 uses 'v2580'
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*
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* We just match Windows 2008R2 as that's what was referenced
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* in https://bugzilla.samba.org/show_bug.cgi?id=9048
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*/
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msg = talloc_asprintf(mem_ctx, "%08X: LdapErr: DSID-%08X, comment: "
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"AcceptSecurityContext error, data %x, v1db1",
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(unsigned)HRES_ERROR_V(hresult),
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(unsigned)DSID,
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(unsigned)W_ERROR_V(werr));
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return msg;
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}
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struct ldapsrv_bind_wait_context {
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struct ldapsrv_reply *reply;
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struct tevent_req *req;
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NTSTATUS status;
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bool done;
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};
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struct ldapsrv_bind_wait_state {
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uint8_t dummy;
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};
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static struct tevent_req *ldapsrv_bind_wait_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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void *private_data)
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{
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struct ldapsrv_bind_wait_context *bind_wait =
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talloc_get_type_abort(private_data,
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struct ldapsrv_bind_wait_context);
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struct tevent_req *req;
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struct ldapsrv_bind_wait_state *state;
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req = tevent_req_create(mem_ctx, &state,
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struct ldapsrv_bind_wait_state);
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if (req == NULL) {
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return NULL;
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}
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bind_wait->req = req;
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tevent_req_defer_callback(req, ev);
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if (!bind_wait->done) {
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return req;
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}
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if (tevent_req_nterror(req, bind_wait->status)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_done(req);
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return tevent_req_post(req, ev);
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}
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static NTSTATUS ldapsrv_bind_wait_recv(struct tevent_req *req)
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{
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return tevent_req_simple_recv_ntstatus(req);
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}
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static NTSTATUS ldapsrv_bind_wait_setup(struct ldapsrv_call *call,
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struct ldapsrv_reply *reply)
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{
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struct ldapsrv_bind_wait_context *bind_wait = NULL;
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if (call->wait_private != NULL) {
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return NT_STATUS_INTERNAL_ERROR;
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}
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bind_wait = talloc_zero(call, struct ldapsrv_bind_wait_context);
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if (bind_wait == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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bind_wait->reply = reply;
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call->wait_private = bind_wait;
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call->wait_send = ldapsrv_bind_wait_send;
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call->wait_recv = ldapsrv_bind_wait_recv;
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return NT_STATUS_OK;
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}
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static void ldapsrv_bind_wait_finished(struct ldapsrv_call *call,
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NTSTATUS status)
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{
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struct ldapsrv_bind_wait_context *bind_wait =
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talloc_get_type_abort(call->wait_private,
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struct ldapsrv_bind_wait_context);
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bind_wait->done = true;
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bind_wait->status = status;
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if (bind_wait->req == NULL) {
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return;
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}
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if (tevent_req_nterror(bind_wait->req, status)) {
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return;
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}
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tevent_req_done(bind_wait->req);
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}
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static void ldapsrv_BindSimple_done(struct tevent_req *subreq);
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static NTSTATUS ldapsrv_BindSimple(struct ldapsrv_call *call)
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{
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struct ldap_BindRequest *req = &call->request->r.BindRequest;
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struct ldapsrv_reply *reply = NULL;
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struct ldap_BindResponse *resp = NULL;
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int result;
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const char *errstr = NULL;
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NTSTATUS status;
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bool using_tls = call->conn->sockets.active == call->conn->sockets.tls;
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struct tevent_req *subreq = NULL;
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DEBUG(10, ("BindSimple dn: %s\n",req->dn));
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reply = ldapsrv_init_reply(call, LDAP_TAG_BindResponse);
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if (!reply) {
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return NT_STATUS_NO_MEMORY;
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}
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if (req->dn != NULL &&
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strlen(req->dn) != 0 &&
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call->conn->require_strong_auth > LDAP_SERVER_REQUIRE_STRONG_AUTH_NO &&
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!using_tls)
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{
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status = NT_STATUS_NETWORK_ACCESS_DENIED;
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result = LDAP_STRONG_AUTH_REQUIRED;
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errstr = talloc_asprintf(reply,
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"BindSimple: Transport encryption required.");
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goto do_reply;
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}
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subreq = authenticate_ldap_simple_bind_send(call,
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call->conn->connection->event.ctx,
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call->conn->connection->msg_ctx,
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call->conn->lp_ctx,
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call->conn->connection->remote_address,
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call->conn->connection->local_address,
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using_tls,
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req->dn,
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req->creds.password);
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if (subreq == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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tevent_req_set_callback(subreq, ldapsrv_BindSimple_done, call);
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status = ldapsrv_bind_wait_setup(call, reply);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(subreq);
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return status;
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}
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/*
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* The rest will be async.
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*/
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return NT_STATUS_OK;
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do_reply:
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resp = &reply->msg->r.BindResponse;
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resp->response.resultcode = result;
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resp->response.errormessage = errstr;
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resp->response.dn = NULL;
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resp->response.referral = NULL;
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resp->SASL.secblob = NULL;
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ldapsrv_queue_reply(call, reply);
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return NT_STATUS_OK;
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}
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static void ldapsrv_BindSimple_done(struct tevent_req *subreq)
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{
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struct ldapsrv_call *call =
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tevent_req_callback_data(subreq,
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struct ldapsrv_call);
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struct ldapsrv_bind_wait_context *bind_wait =
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talloc_get_type_abort(call->wait_private,
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struct ldapsrv_bind_wait_context);
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struct ldapsrv_reply *reply = bind_wait->reply;
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struct auth_session_info *session_info = NULL;
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NTSTATUS status;
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struct ldap_BindResponse *resp = NULL;
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int result;
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const char *errstr = NULL;
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status = authenticate_ldap_simple_bind_recv(subreq,
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call,
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&session_info);
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if (NT_STATUS_IS_OK(status)) {
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char *ldb_errstring = NULL;
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result = LDAP_SUCCESS;
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errstr = NULL;
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talloc_unlink(call->conn, call->conn->session_info);
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call->conn->session_info = talloc_steal(call->conn, session_info);
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call->conn->authz_logged = true;
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/* don't leak the old LDB */
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talloc_unlink(call->conn, call->conn->ldb);
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result = ldapsrv_backend_Init(call->conn, &ldb_errstring);
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if (result != LDB_SUCCESS) {
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/* Only put the detailed error in DEBUG() */
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DBG_ERR("ldapsrv_backend_Init failed: %s: %s\n",
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ldb_errstring, ldb_strerror(result));
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errstr = talloc_strdup(reply,
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"Simple Bind: Failed to advise "
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"ldb new credentials");
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result = LDB_ERR_OPERATIONS_ERROR;
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}
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} else {
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status = nt_status_squash(status);
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result = LDAP_INVALID_CREDENTIALS;
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errstr = ldapsrv_bind_error_msg(reply, HRES_SEC_E_INVALID_TOKEN,
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0x0C0903A9, status);
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}
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resp = &reply->msg->r.BindResponse;
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resp->response.resultcode = result;
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resp->response.errormessage = errstr;
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resp->response.dn = NULL;
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resp->response.referral = NULL;
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resp->SASL.secblob = NULL;
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ldapsrv_queue_reply(call, reply);
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ldapsrv_bind_wait_finished(call, NT_STATUS_OK);
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}
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struct ldapsrv_sasl_postprocess_context {
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struct ldapsrv_connection *conn;
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struct tstream_context *sasl;
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};
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struct ldapsrv_sasl_postprocess_state {
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uint8_t dummy;
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};
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static struct tevent_req *ldapsrv_sasl_postprocess_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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void *private_data)
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{
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struct ldapsrv_sasl_postprocess_context *context =
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talloc_get_type_abort(private_data,
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struct ldapsrv_sasl_postprocess_context);
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struct tevent_req *req;
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struct ldapsrv_sasl_postprocess_state *state;
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req = tevent_req_create(mem_ctx, &state,
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struct ldapsrv_sasl_postprocess_state);
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if (req == NULL) {
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return NULL;
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}
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TALLOC_FREE(context->conn->sockets.sasl);
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context->conn->sockets.sasl = talloc_move(context->conn, &context->sasl);
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context->conn->sockets.active = context->conn->sockets.sasl;
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tevent_req_done(req);
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return tevent_req_post(req, ev);
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}
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static NTSTATUS ldapsrv_sasl_postprocess_recv(struct tevent_req *req)
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{
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return tevent_req_simple_recv_ntstatus(req);
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}
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static NTSTATUS ldapsrv_setup_gensec(struct ldapsrv_connection *conn,
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const char *sasl_mech,
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struct gensec_security **_gensec_security)
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{
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NTSTATUS status;
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struct gensec_security *gensec_security;
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status = samba_server_gensec_start(conn,
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conn->connection->event.ctx,
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conn->connection->msg_ctx,
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conn->lp_ctx,
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conn->server_credentials,
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"ldap",
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&gensec_security);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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status = gensec_set_target_service_description(gensec_security,
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"LDAP");
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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status = gensec_set_remote_address(gensec_security,
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conn->connection->remote_address);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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status = gensec_set_local_address(gensec_security,
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conn->connection->local_address);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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gensec_want_feature(gensec_security, GENSEC_FEATURE_ASYNC_REPLIES);
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gensec_want_feature(gensec_security, GENSEC_FEATURE_LDAP_STYLE);
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if (conn->sockets.active == conn->sockets.tls) {
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uint32_t initiator_addrtype = 0;
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const DATA_BLOB *initiator_address = NULL;
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uint32_t acceptor_addrtype = 0;
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const DATA_BLOB *acceptor_address = NULL;
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const DATA_BLOB *application_data =
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tstream_tls_channel_bindings(conn->sockets.tls);
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status = gensec_set_channel_bindings(gensec_security,
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initiator_addrtype,
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initiator_address,
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acceptor_addrtype,
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acceptor_address,
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application_data);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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/*
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* By default channel bindings are required,
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* so we only set GENSEC_FEATURE_CB_OPTIONAL
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* for the legacy option:
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*
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* ldap server require strong auth = no
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* or
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* ldap server require strong auth =
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* allow_sasl_without_tls_channel_bindings
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*
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* And this as an alias to cope with existing smb.conf
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* files:
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*
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* ldap server require strong auth = allow_sasl_over_tls
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*/
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switch (conn->require_strong_auth) {
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case LDAP_SERVER_REQUIRE_STRONG_AUTH_NO:
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case LDAP_SERVER_REQUIRE_STRONG_AUTH_ALLOW_SASL_OVER_TLS:
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case LDAP_SERVER_REQUIRE_STRONG_AUTH_ALLOW_SASL_WITHOUT_TLS_CB:
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gensec_want_feature(gensec_security,
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GENSEC_FEATURE_CB_OPTIONAL);
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break;
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default:
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break;
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}
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gensec_want_feature(gensec_security, GENSEC_FEATURE_LDAPS_TRANSPORT);
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}
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status = gensec_start_mech_by_sasl_name(gensec_security, sasl_mech);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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*_gensec_security = gensec_security;
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return status;
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}
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static void ldapsrv_BindSASL_done(struct tevent_req *subreq);
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static NTSTATUS ldapsrv_BindSASL(struct ldapsrv_call *call)
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{
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struct ldap_BindRequest *req = &call->request->r.BindRequest;
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struct ldapsrv_reply *reply;
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struct ldap_BindResponse *resp;
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struct ldapsrv_connection *conn;
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int result = 0;
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const char *errstr=NULL;
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NTSTATUS status = NT_STATUS_OK;
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DATA_BLOB input = data_blob_null;
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struct tevent_req *subreq = NULL;
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DEBUG(10, ("BindSASL dn: %s\n",req->dn));
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reply = ldapsrv_init_reply(call, LDAP_TAG_BindResponse);
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if (!reply) {
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return NT_STATUS_NO_MEMORY;
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}
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resp = &reply->msg->r.BindResponse;
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/* Windows 2000 mmc doesn't like secblob == NULL and reports a decoding error */
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resp->SASL.secblob = talloc_zero(reply, DATA_BLOB);
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if (resp->SASL.secblob == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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conn = call->conn;
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/*
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* TODO: a SASL bind with a different mechanism
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* should cancel an inprogress SASL bind.
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* (see RFC 4513)
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*/
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if (!conn->gensec) {
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status = ldapsrv_setup_gensec(conn, req->creds.SASL.mechanism,
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&conn->gensec);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(1, ("Failed to start GENSEC server for [%s] code: %s\n",
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ldb_binary_encode_string(call, req->creds.SASL.mechanism),
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nt_errstr(status)));
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result = LDAP_OPERATIONS_ERROR;
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errstr = talloc_asprintf(reply, "SASL: Failed to start authentication system: %s",
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nt_errstr(status));
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goto do_reply;
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}
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}
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if (req->creds.SASL.secblob) {
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input = *req->creds.SASL.secblob;
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}
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subreq = gensec_update_send(call, conn->connection->event.ctx,
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conn->gensec, input);
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if (subreq == NULL) {
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return NT_STATUS_NO_MEMORY;
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}
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tevent_req_set_callback(subreq, ldapsrv_BindSASL_done, call);
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status = ldapsrv_bind_wait_setup(call, reply);
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(subreq);
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return status;
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}
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/*
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* The rest will be async.
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*/
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return NT_STATUS_OK;
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do_reply:
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if (result != LDAP_SASL_BIND_IN_PROGRESS) {
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/*
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* We should destroy the gensec context
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* when we hit a fatal error.
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*
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* Note: conn->gensec is already cleared
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* for the LDAP_SUCCESS case.
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|
*/
|
|
talloc_unlink(conn, conn->gensec);
|
|
conn->gensec = NULL;
|
|
}
|
|
|
|
resp->response.resultcode = result;
|
|
resp->response.dn = NULL;
|
|
resp->response.errormessage = errstr;
|
|
resp->response.referral = NULL;
|
|
|
|
ldapsrv_queue_reply(call, reply);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static void ldapsrv_BindSASL_done(struct tevent_req *subreq)
|
|
{
|
|
struct ldapsrv_call *call =
|
|
tevent_req_callback_data(subreq,
|
|
struct ldapsrv_call);
|
|
struct ldapsrv_bind_wait_context *bind_wait =
|
|
talloc_get_type_abort(call->wait_private,
|
|
struct ldapsrv_bind_wait_context);
|
|
struct ldap_BindRequest *req = &call->request->r.BindRequest;
|
|
struct ldapsrv_reply *reply = bind_wait->reply;
|
|
struct ldap_BindResponse *resp = &reply->msg->r.BindResponse;
|
|
struct ldapsrv_connection *conn = call->conn;
|
|
struct auth_session_info *session_info = NULL;
|
|
struct ldapsrv_sasl_postprocess_context *context = NULL;
|
|
NTSTATUS status;
|
|
int result;
|
|
const char *errstr = NULL;
|
|
char *ldb_errstring = NULL;
|
|
DATA_BLOB output = data_blob_null;
|
|
NTTIME expire_time_nt;
|
|
|
|
status = gensec_update_recv(subreq, call, &output);
|
|
TALLOC_FREE(subreq);
|
|
|
|
if (NT_STATUS_EQUAL(NT_STATUS_MORE_PROCESSING_REQUIRED, status)) {
|
|
*resp->SASL.secblob = output;
|
|
result = LDAP_SASL_BIND_IN_PROGRESS;
|
|
errstr = NULL;
|
|
goto do_reply;
|
|
}
|
|
|
|
if (NT_STATUS_EQUAL(status, NT_STATUS_BAD_BINDINGS)) {
|
|
result = LDAP_INVALID_CREDENTIALS;
|
|
errstr = ldapsrv_bind_error_msg(reply,
|
|
HRES_SEC_E_BAD_BINDINGS,
|
|
0x0C090711,
|
|
status);
|
|
goto do_reply;
|
|
}
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
status = nt_status_squash(status);
|
|
result = LDAP_INVALID_CREDENTIALS;
|
|
errstr = ldapsrv_bind_error_msg(reply, HRES_SEC_E_LOGON_DENIED,
|
|
0x0C0904DC, status);
|
|
goto do_reply;
|
|
}
|
|
|
|
if (gensec_have_feature(conn->gensec, GENSEC_FEATURE_SIGN) ||
|
|
gensec_have_feature(conn->gensec, GENSEC_FEATURE_SEAL)) {
|
|
|
|
context = talloc_zero(call, struct ldapsrv_sasl_postprocess_context);
|
|
if (context == NULL) {
|
|
ldapsrv_bind_wait_finished(call, NT_STATUS_NO_MEMORY);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (context && conn->sockets.tls) {
|
|
TALLOC_FREE(context);
|
|
status = NT_STATUS_NOT_SUPPORTED;
|
|
result = LDAP_UNWILLING_TO_PERFORM;
|
|
errstr = talloc_asprintf(reply,
|
|
"SASL:[%s]: Sign or Seal are not allowed if TLS is used",
|
|
req->creds.SASL.mechanism);
|
|
goto do_reply;
|
|
}
|
|
|
|
if (context && conn->sockets.sasl) {
|
|
TALLOC_FREE(context);
|
|
status = NT_STATUS_NOT_SUPPORTED;
|
|
result = LDAP_UNWILLING_TO_PERFORM;
|
|
errstr = talloc_asprintf(reply,
|
|
"SASL:[%s]: Sign or Seal are not allowed if SASL encryption has already been set up",
|
|
req->creds.SASL.mechanism);
|
|
goto do_reply;
|
|
}
|
|
|
|
if (context == NULL) {
|
|
switch (call->conn->require_strong_auth) {
|
|
case LDAP_SERVER_REQUIRE_STRONG_AUTH_NO:
|
|
break;
|
|
case LDAP_SERVER_REQUIRE_STRONG_AUTH_ALLOW_SASL_OVER_TLS:
|
|
case LDAP_SERVER_REQUIRE_STRONG_AUTH_ALLOW_SASL_WITHOUT_TLS_CB:
|
|
case LDAP_SERVER_REQUIRE_STRONG_AUTH_YES:
|
|
if (call->conn->sockets.active == call->conn->sockets.tls) {
|
|
break;
|
|
}
|
|
status = NT_STATUS_NETWORK_ACCESS_DENIED;
|
|
result = LDAP_STRONG_AUTH_REQUIRED;
|
|
errstr = talloc_asprintf(reply,
|
|
"SASL:[%s]: Sign or Seal are required.",
|
|
req->creds.SASL.mechanism);
|
|
goto do_reply;
|
|
}
|
|
}
|
|
|
|
if (context != NULL) {
|
|
context->conn = conn;
|
|
status = gensec_create_tstream(context,
|
|
context->conn->gensec,
|
|
context->conn->sockets.raw,
|
|
&context->sasl);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
result = LDAP_OPERATIONS_ERROR;
|
|
errstr = talloc_asprintf(reply,
|
|
"SASL:[%s]: Failed to setup SASL socket: %s",
|
|
req->creds.SASL.mechanism, nt_errstr(status));
|
|
goto do_reply;
|
|
}
|
|
}
|
|
|
|
status = gensec_session_info(conn->gensec, call, &session_info);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
result = LDAP_OPERATIONS_ERROR;
|
|
errstr = talloc_asprintf(reply,
|
|
"SASL:[%s]: Failed to get session info: %s",
|
|
req->creds.SASL.mechanism, nt_errstr(status));
|
|
goto do_reply;
|
|
}
|
|
|
|
talloc_unlink(conn, conn->session_info);
|
|
conn->session_info = talloc_steal(conn, session_info);
|
|
|
|
/* don't leak the old LDB */
|
|
talloc_unlink(conn, conn->ldb);
|
|
|
|
call->conn->authz_logged = true;
|
|
|
|
result = ldapsrv_backend_Init(call->conn, &ldb_errstring);
|
|
|
|
if (result != LDB_SUCCESS) {
|
|
/* Only put the detailed error in DEBUG() */
|
|
DBG_ERR("ldapsrv_backend_Init failed: %s: %s\n",
|
|
ldb_errstring, ldb_strerror(result));
|
|
errstr = talloc_strdup(reply,
|
|
"SASL Bind: Failed to advise "
|
|
"ldb new credentials");
|
|
result = LDB_ERR_OPERATIONS_ERROR;
|
|
goto do_reply;
|
|
}
|
|
|
|
expire_time_nt = gensec_expire_time(conn->gensec);
|
|
if (expire_time_nt != GENSEC_EXPIRE_TIME_INFINITY) {
|
|
struct timeval_buf buf;
|
|
|
|
nttime_to_timeval(&conn->limits.expire_time, expire_time_nt);
|
|
|
|
DBG_DEBUG("Setting connection expire_time to %s\n",
|
|
timeval_str_buf(&conn->limits.expire_time,
|
|
false,
|
|
true,
|
|
&buf));
|
|
}
|
|
|
|
if (context != NULL) {
|
|
const void *ptr = NULL;
|
|
|
|
ptr = talloc_reparent(conn, context->sasl, conn->gensec);
|
|
if (ptr == NULL) {
|
|
ldapsrv_bind_wait_finished(call, NT_STATUS_NO_MEMORY);
|
|
return;
|
|
}
|
|
|
|
call->postprocess_send = ldapsrv_sasl_postprocess_send;
|
|
call->postprocess_recv = ldapsrv_sasl_postprocess_recv;
|
|
call->postprocess_private = context;
|
|
} else {
|
|
talloc_unlink(conn, conn->gensec);
|
|
}
|
|
conn->gensec = NULL;
|
|
|
|
*resp->SASL.secblob = output;
|
|
result = LDAP_SUCCESS;
|
|
errstr = NULL;
|
|
|
|
do_reply:
|
|
if (result != LDAP_SASL_BIND_IN_PROGRESS) {
|
|
/*
|
|
* We should destroy the gensec context
|
|
* when we hit a fatal error.
|
|
*
|
|
* Note: conn->gensec is already cleared
|
|
* for the LDAP_SUCCESS case.
|
|
*/
|
|
talloc_unlink(conn, conn->gensec);
|
|
conn->gensec = NULL;
|
|
}
|
|
|
|
resp->response.resultcode = result;
|
|
resp->response.dn = NULL;
|
|
resp->response.errormessage = errstr;
|
|
resp->response.referral = NULL;
|
|
|
|
ldapsrv_queue_reply(call, reply);
|
|
ldapsrv_bind_wait_finished(call, NT_STATUS_OK);
|
|
}
|
|
|
|
NTSTATUS ldapsrv_BindRequest(struct ldapsrv_call *call)
|
|
{
|
|
struct ldap_BindRequest *req = &call->request->r.BindRequest;
|
|
struct ldapsrv_reply *reply;
|
|
struct ldap_BindResponse *resp;
|
|
|
|
if (call->conn->pending_calls != NULL) {
|
|
reply = ldapsrv_init_reply(call, LDAP_TAG_BindResponse);
|
|
if (!reply) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
resp = &reply->msg->r.BindResponse;
|
|
resp->response.resultcode = LDAP_BUSY;
|
|
resp->response.dn = NULL;
|
|
resp->response.errormessage = talloc_asprintf(reply, "Pending requests on this LDAP session");
|
|
resp->response.referral = NULL;
|
|
resp->SASL.secblob = NULL;
|
|
|
|
ldapsrv_queue_reply(call, reply);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*
|
|
* TODO: a simple bind should cancel an
|
|
* inprogress SASL bind.
|
|
* (see RFC 4513)
|
|
*/
|
|
switch (req->mechanism) {
|
|
case LDAP_AUTH_MECH_SIMPLE:
|
|
return ldapsrv_BindSimple(call);
|
|
case LDAP_AUTH_MECH_SASL:
|
|
return ldapsrv_BindSASL(call);
|
|
}
|
|
|
|
reply = ldapsrv_init_reply(call, LDAP_TAG_BindResponse);
|
|
if (!reply) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
resp = &reply->msg->r.BindResponse;
|
|
resp->response.resultcode = LDAP_AUTH_METHOD_NOT_SUPPORTED;
|
|
resp->response.dn = NULL;
|
|
resp->response.errormessage = talloc_asprintf(reply, "Bad AuthenticationChoice [%d]", req->mechanism);
|
|
resp->response.referral = NULL;
|
|
resp->SASL.secblob = NULL;
|
|
|
|
ldapsrv_queue_reply(call, reply);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
struct ldapsrv_unbind_wait_context {
|
|
uint8_t dummy;
|
|
};
|
|
|
|
struct ldapsrv_unbind_wait_state {
|
|
uint8_t dummy;
|
|
};
|
|
|
|
static struct tevent_req *ldapsrv_unbind_wait_send(TALLOC_CTX *mem_ctx,
|
|
struct tevent_context *ev,
|
|
void *private_data)
|
|
{
|
|
struct ldapsrv_unbind_wait_context *unbind_wait =
|
|
talloc_get_type_abort(private_data,
|
|
struct ldapsrv_unbind_wait_context);
|
|
struct tevent_req *req;
|
|
struct ldapsrv_unbind_wait_state *state;
|
|
|
|
req = tevent_req_create(mem_ctx, &state,
|
|
struct ldapsrv_unbind_wait_state);
|
|
if (req == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
(void)unbind_wait;
|
|
|
|
tevent_req_nterror(req, NT_STATUS_LOCAL_DISCONNECT);
|
|
return tevent_req_post(req, ev);
|
|
}
|
|
|
|
static NTSTATUS ldapsrv_unbind_wait_recv(struct tevent_req *req)
|
|
{
|
|
return tevent_req_simple_recv_ntstatus(req);
|
|
}
|
|
|
|
static NTSTATUS ldapsrv_unbind_wait_setup(struct ldapsrv_call *call)
|
|
{
|
|
struct ldapsrv_unbind_wait_context *unbind_wait = NULL;
|
|
|
|
if (call->wait_private != NULL) {
|
|
return NT_STATUS_INTERNAL_ERROR;
|
|
}
|
|
|
|
unbind_wait = talloc_zero(call, struct ldapsrv_unbind_wait_context);
|
|
if (unbind_wait == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
call->wait_private = unbind_wait;
|
|
call->wait_send = ldapsrv_unbind_wait_send;
|
|
call->wait_recv = ldapsrv_unbind_wait_recv;
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS ldapsrv_UnbindRequest(struct ldapsrv_call *call)
|
|
{
|
|
struct ldapsrv_call *c = NULL;
|
|
struct ldapsrv_call *n = NULL;
|
|
|
|
DEBUG(10, ("UnbindRequest\n"));
|
|
|
|
for (c = call->conn->pending_calls; c != NULL; c = n) {
|
|
n = c->next;
|
|
|
|
DLIST_REMOVE(call->conn->pending_calls, c);
|
|
TALLOC_FREE(c);
|
|
}
|
|
|
|
return ldapsrv_unbind_wait_setup(call);
|
|
}
|