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/*
Unix SMB/CIFS implementation.
auth functions
Copyright (C) Simo Sorce 2005
Copyright (C) Andrew Tridgell 2005
Copyright (C) Andrew Bartlett 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include <tevent.h>
#include "lib/util/tevent_ntstatus.h"
#include "auth/auth.h"
#include "dsdb/samdb/samdb.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_AUTH
struct authenticate_ldap_simple_bind_state {
bool using_tls;
struct auth4_context *auth_context;
struct auth_usersupplied_info *user_info;
struct auth_session_info *session_info;
};
static void authenticate_ldap_simple_bind_done(struct tevent_req *subreq);
_PUBLIC_ struct tevent_req *authenticate_ldap_simple_bind_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct imessaging_context *msg,
struct loadparm_context *lp_ctx,
struct tsocket_address *remote_address,
struct tsocket_address *local_address,
bool using_tls,
const char *dn,
const char *password)
{
struct tevent_req *req = NULL;
struct authenticate_ldap_simple_bind_state *state = NULL;
struct auth_usersupplied_info *user_info = NULL;
const char *nt4_domain = NULL;
const char *nt4_username = NULL;
struct tevent_req *subreq = NULL;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct authenticate_ldap_simple_bind_state);
if (req == NULL) {
return NULL;
}
state->using_tls = using_tls;
status = auth_context_create(state, ev, msg, lp_ctx,
&state->auth_context);
if (tevent_req_nterror(req, status)) {
return tevent_req_post(req, ev);
}
user_info = talloc_zero(state, struct auth_usersupplied_info);
if (tevent_req_nomem(user_info, req)) {
return tevent_req_post(req, ev);
}
state->user_info = user_info;
user_info->client.account_name = dn;
/* No client.domain_name, use account_name instead */
/* user_info->mapped.* will be filled below */
user_info->workstation_name = NULL;
user_info->remote_host = remote_address;
user_info->local_host = local_address;
user_info->service_description = "LDAP";
if (using_tls) {
user_info->auth_description = "simple bind";
} else {
user_info->auth_description = "simple bind/TLS";
}
user_info->password_state = AUTH_PASSWORD_PLAIN;
user_info->password.plaintext = talloc_strdup(user_info, password);
if (tevent_req_nomem(user_info->password.plaintext, req)) {
return tevent_req_post(req, ev);
}
user_info->flags = USER_INFO_CASE_INSENSITIVE_USERNAME |
USER_INFO_DONT_CHECK_UNIX_ACCOUNT;
user_info->logon_parameters =
MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT |
MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT |
MSV1_0_CLEARTEXT_PASSWORD_ALLOWED |
MSV1_0_CLEARTEXT_PASSWORD_SUPPLIED;
status = crack_auto_name_to_nt4_name(state, state->auth_context->sam_ctx,
dn, &nt4_domain, &nt4_username);
if (!NT_STATUS_IS_OK(status)) {
log_authentication_event(msg, lp_ctx,
&state->auth_context->start_time,
user_info, status,
NULL, NULL, NULL);
}
if (tevent_req_nterror(req, status)) {
return tevent_req_post(req, ev);
}
user_info->mapped.account_name = nt4_username;
user_info->mapped.domain_name = nt4_domain;
user_info->mapped_state = true;
subreq = auth_check_password_send(state, ev,
state->auth_context,
state->user_info);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, authenticate_ldap_simple_bind_done, req);
return req;
}
static void authenticate_ldap_simple_bind_done(struct tevent_req *subreq)
{
struct tevent_req *req =
tevent_req_callback_data(subreq,
struct tevent_req);
struct authenticate_ldap_simple_bind_state *state =
tevent_req_data(req,
struct authenticate_ldap_simple_bind_state);
struct auth4_context *auth_context = state->auth_context;
struct auth_usersupplied_info *user_info = state->user_info;
const char *nt4_username = user_info->mapped.account_name;
const struct tsocket_address *remote_address = user_info->remote_host;
const struct tsocket_address *local_address = user_info->local_host;
const char *transport_protection = AUTHZ_TRANSPORT_PROTECTION_NONE;
struct auth_user_info_dc *user_info_dc = NULL;
uint8_t authoritative = 0;
uint32_t flags = 0;
NTSTATUS nt_status;
if (state->using_tls) {
transport_protection = AUTHZ_TRANSPORT_PROTECTION_TLS;
}
nt_status = auth_check_password_recv(subreq, state,
&user_info_dc,
&authoritative);
TALLOC_FREE(subreq);
if (tevent_req_nterror(req, nt_status)) {
return;
}
flags = AUTH_SESSION_INFO_DEFAULT_GROUPS;
if (user_info_dc->info->authenticated) {
flags |= AUTH_SESSION_INFO_AUTHENTICATED;
}
nt_status = auth_context->generate_session_info(auth_context,
state,
user_info_dc,
nt4_username,
flags,
&state->session_info);
if (tevent_req_nterror(req, nt_status)) {
return;
}
log_successful_authz_event(auth_context->msg_ctx,
auth_context->lp_ctx,
remote_address,
local_address,
"LDAP",
"simple bind",
transport_protection,
state->session_info);
tevent_req_done(req);
}
_PUBLIC_ NTSTATUS authenticate_ldap_simple_bind_recv(struct tevent_req *req,
TALLOC_CTX *mem_ctx,
struct auth_session_info **session_info)
{
struct authenticate_ldap_simple_bind_state *state =
tevent_req_data(req,
struct authenticate_ldap_simple_bind_state);
NTSTATUS status;
*session_info = NULL;
if (tevent_req_is_nterror(req, &status)) {
tevent_req_received(req);
return status;
}
*session_info = talloc_move(mem_ctx, &state->session_info);
tevent_req_received(req);
return NT_STATUS_OK;
}
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