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