matt335672
cd98b013f1
on connection, client IP and name are passed from xrdp to sesman to sesexec, and then back to sesman again. xrdp-sesadmin can now access the connection data from sesman
191 lines
4.0 KiB
C
191 lines
4.0 KiB
C
/**
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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 sesexec.h
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* @brief Main include file
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* @author Jay Sorg
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*
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*/
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#ifndef SESEXEC_H
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#define SESEXEC_H
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#include <sys/types.h>
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#include "ccp_application_types.h"
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#include "xrdp_constants.h"
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struct config_sesman;
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struct trans;
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struct login_info;
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struct session_data;
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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#define USE_BSD_SETLOGIN
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#endif
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/* Globals */
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/**
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* Pointer to config data for sesman/sesexec
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*/
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extern struct config_sesman *g_cfg;
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/**
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* DES key used to obfuscate VNC password files.
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*
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* This key is not documented in RFC6143, but can readily be found by
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* searching VNC sources.
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*
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* You can also find the 'reversed' form "e84ad660c4721ae0"
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* on the net, particulary for openssl one-liners to decrypt VNC
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* password files.
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*/
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extern unsigned char g_fixedkey[8];
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/**
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* Information about the logged-in user
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*
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* This is set when the user successfully passes authentication
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*/
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extern struct login_info *g_login_info;
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/**
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* Information about the user session (opaque type)
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*
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* Set when the user is succesfully logged in
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*/
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extern struct session_data *g_session_data;
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/**
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* Program has received a termination event
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*/
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extern tintptr g_term_event;
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/**
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* Program has received one or more SIGCHLD events
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*/
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extern tintptr g_sigchld_event;
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/**
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* PID of sesexec process
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*
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* Used to detect when we are running in a form of the original process
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*/
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extern pid_t g_pid;
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/**
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* EICP/ERCP transport
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*
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* Used to communicate with the sesman process
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*
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* Use sesexec_is_ecp_active() if you need to check sesman is
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* truly there.
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*/
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extern struct trans *g_ecp_trans;
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/**
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* CCP transport
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*
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* Used to communicate with the currently connected xrdp process
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*/
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extern struct trans *g_ccp_trans;
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/**
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* Last connected client IP address
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*/
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extern char g_client_ip[MAX_PEER_ADDRSTRLEN];
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/**
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* Last connected client name
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*/
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extern char g_client_name[INFO_CLIENT_NAME_BYTES_UTF8];
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/**
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* Last connect / disconnect time
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*/
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extern time_t g_last_connect_disconnect;
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/**
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* Callback to process incoming ERCP data
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*/
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int
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sesexec_ercp_data_in(struct trans *self);
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/**
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* Check for termination
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*
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* @return boolean. Set if program has been asked to terminate
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*/
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int
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sesexec_is_term(void);
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/**
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* Terminate the sesexec main loop
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*
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* @param status Status to return to the OS
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*/
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void
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sesexec_terminate_main_loop(int status);
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/**
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* Sets the ECP (sesman) transport
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*
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* @param t Transport supposedly connected to the ECP protocol
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* provider (sesman), or NULL to clear the transport
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* @return 0 for success
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*
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* Peer credentials are checked for root:root
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*/
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int
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sesexec_set_ecp_transport(struct trans *t);
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/**
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* Is the ECP transport still active?
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*
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* @result boolean
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*
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* This is intended to be used as a guard to prevent an active ECP
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* transport being overwritten. Do not use it to check if sesman is
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* active before sending messages, as this introduces a race condition.
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*/
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int
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sesexec_is_ecp_active(void);
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/**
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* Terminate an active xrdp process
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*
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* @param Reason to pass back to the xrdp process (if connected)
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*
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* After this call, g_ccp_trans will be NULL
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*/
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void
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sesexec_terminate_connected_xrdp_process(enum ccp_close_reason_type reason);
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/**
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* Set the CCP transport from an SCP transport
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*
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* This call is intended to be used at the end of a connection
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* event, to record our end of the connection to the xrdp process
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*/
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int
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sesexec_set_ccp_trans(struct trans *scp_trans);
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#endif // SESEXEC_H
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