115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2016 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2024-02-10
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
|
|
#include "pam_backend_auth.hh"
|
|
|
|
#include <maxscale/authenticator.hh>
|
|
#include <maxscale/server.hh>
|
|
#include "pam_backend_session.hh"
|
|
#include "../pam_auth_common.hh"
|
|
|
|
static void* pam_backend_auth_alloc(void* instance)
|
|
{
|
|
return new(std::nothrow) PamBackendSession();
|
|
}
|
|
|
|
static void pam_backend_auth_free(void* data)
|
|
{
|
|
delete static_cast<PamBackendSession*>(data);
|
|
}
|
|
|
|
/**
|
|
* @brief Extract data from a MySQL packet
|
|
*
|
|
* @param dcb Backend DCB
|
|
* @param buffer Buffer containing a complete packet
|
|
*
|
|
* @return MXS_AUTH_INCOMPLETE if authentication is ongoing, MXS_AUTH_SUCCEEDED
|
|
* if authentication is complete and MXS_AUTH_FAILED if authentication failed.
|
|
*/
|
|
static bool pam_backend_auth_extract(DCB* dcb, GWBUF* buffer)
|
|
{
|
|
PamBackendSession* pses = static_cast<PamBackendSession*>(dcb->authenticator_data);
|
|
return pses->extract(dcb, buffer);
|
|
}
|
|
|
|
/**
|
|
* @brief Check whether the DCB supports SSL
|
|
*
|
|
* @param dcb Backend DCB
|
|
*
|
|
* @return True if DCB supports SSL
|
|
*/
|
|
static bool pam_backend_auth_connectssl(DCB* dcb)
|
|
{
|
|
return dcb->server->ssl().context();
|
|
}
|
|
|
|
/**
|
|
* @brief Authenticate to backend. Should be called after extract()
|
|
*
|
|
* @param dcb Backend DCB
|
|
*
|
|
* @return MXS_AUTH_INCOMPLETE if authentication is ongoing, MXS_AUTH_SUCCEEDED
|
|
* if authentication is complete and MXS_AUTH_FAILED if authentication failed.
|
|
*/
|
|
static int pam_backend_auth_authenticate(DCB* dcb)
|
|
{
|
|
PamBackendSession* pses = static_cast<PamBackendSession*>(dcb->authenticator_data);
|
|
return pses->authenticate(dcb);
|
|
}
|
|
|
|
extern "C"
|
|
{
|
|
/**
|
|
* Module handle entry point
|
|
*/
|
|
MXS_MODULE* MXS_CREATE_MODULE()
|
|
{
|
|
static MXS_AUTHENTICATOR MyObject =
|
|
{
|
|
NULL, /* No initialize entry point */
|
|
pam_backend_auth_alloc, /* Allocate authenticator data */
|
|
pam_backend_auth_extract, /* Extract data into structure */
|
|
pam_backend_auth_connectssl, /* Check if client supports SSL */
|
|
pam_backend_auth_authenticate, /* Authenticate user credentials */
|
|
NULL, /* Client plugin will free shared data */
|
|
pam_backend_auth_free, /* Free authenticator data */
|
|
NULL, /* Load users from backend databases */
|
|
NULL, /* No diagnostic */
|
|
NULL,
|
|
NULL /* No user reauthentication */
|
|
};
|
|
|
|
static MXS_MODULE info =
|
|
{
|
|
MXS_MODULE_API_AUTHENTICATOR,
|
|
MXS_MODULE_ALPHA_RELEASE,
|
|
MXS_AUTHENTICATOR_VERSION,
|
|
"PAM backend authenticator",
|
|
"V1.0.0",
|
|
MXS_NO_MODULE_CAPABILITIES,
|
|
&MyObject,
|
|
NULL, /* Process init. */
|
|
NULL, /* Process finish. */
|
|
NULL, /* Thread init. */
|
|
NULL, /* Thread finish. */
|
|
{
|
|
{MXS_END_MODULE_PARAMS}
|
|
}
|
|
};
|
|
|
|
return &info;
|
|
}
|
|
}
|