112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2004-2023
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file eicp_process.c
|
|
* @brief eicp (executive initialisation control protocol) handler function
|
|
* @author Matt Burt
|
|
*
|
|
*/
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include <config_ac.h>
|
|
#endif
|
|
|
|
#include "trans.h"
|
|
|
|
#include "eicp.h"
|
|
#include "eicp_process.h"
|
|
#include "os_calls.h"
|
|
#include "pre_session_list.h"
|
|
#include "scp.h"
|
|
#include "sesman.h"
|
|
|
|
/******************************************************************************/
|
|
|
|
static int
|
|
process_sys_login_response(struct pre_session_item *psi)
|
|
{
|
|
int rv;
|
|
int is_logged_in;
|
|
uid_t uid;
|
|
int scp_fd;
|
|
|
|
rv = eicp_get_sys_login_response(psi->sesexec_trans, &is_logged_in,
|
|
&uid, &scp_fd);
|
|
if (rv == 0)
|
|
{
|
|
LOG(LOG_LEVEL_INFO, "Received sys login status for %s : %s",
|
|
psi->username,
|
|
(is_logged_in) ? "logged in" : "not logged in");
|
|
|
|
if (!is_logged_in)
|
|
{
|
|
// This shouldn't happen. Close the connection to the
|
|
// client immediately.
|
|
psi->dispatcher_action = E_PSD_TERMINATE_PRE_SESSION;
|
|
}
|
|
else
|
|
{
|
|
/* We've been handed back the client connection */
|
|
psi->client_trans = scp_init_trans_from_fd(scp_fd,
|
|
TRANS_TYPE_SERVER,
|
|
sesman_is_term);
|
|
if (psi->client_trans == NULL)
|
|
{
|
|
LOG(LOG_LEVEL_ERROR, "Can't re-create client connection");
|
|
g_file_close(scp_fd);
|
|
psi->dispatcher_action = E_PSD_TERMINATE_PRE_SESSION;
|
|
}
|
|
else
|
|
{
|
|
psi->client_trans->trans_data_in = sesman_scp_data_in;
|
|
psi->client_trans->callback_data = (void *)psi;
|
|
psi->login_state = E_PS_LOGIN_SYS;
|
|
psi->uid = uid;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
int
|
|
eicp_process(struct pre_session_item *psi)
|
|
{
|
|
enum eicp_msg_code msgno;
|
|
int rv = 0;
|
|
|
|
switch ((msgno = eicp_msg_in_get_msgno(psi->sesexec_trans)))
|
|
{
|
|
case E_EICP_SYS_LOGIN_RESPONSE:
|
|
rv = process_sys_login_response(psi);
|
|
break;
|
|
|
|
default:
|
|
{
|
|
char buff[64];
|
|
eicp_msgno_to_str(msgno, buff, sizeof(buff));
|
|
LOG(LOG_LEVEL_ERROR, "Ignored EICP message %s", buff);
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|