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565 lines
15 KiB
565 lines
15 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2004-2008
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main program
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*/
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#if defined(_WIN32)
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#include <windows.h>
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#endif
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#include "xrdp.h"
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static struct xrdp_listen* g_listen = 0;
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static long g_threadid = 0; /* main threadid */
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#if defined(_WIN32)
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static SERVICE_STATUS_HANDLE g_ssh = 0;
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static SERVICE_STATUS g_service_status;
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#endif
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static long g_sync_mutex = 0;
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static long g_sync1_mutex = 0;
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static tbus g_term_event = 0;
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static tbus g_sync_event = 0;
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/* syncronize stuff */
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static int g_sync_command = 0;
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static long g_sync_result = 0;
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static long g_sync_param1 = 0;
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static long g_sync_param2 = 0;
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static long (*g_sync_func)(long param1, long param2);
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/*****************************************************************************/
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long APP_CC
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g_xrdp_sync(long (*sync_func)(long param1, long param2), long sync_param1,
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long sync_param2)
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{
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long sync_result;
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int sync_command;
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if (tc_get_threadid() == g_threadid)
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{
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/* this is the main thread, call the function directly */
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sync_result = sync_func(sync_param1, sync_param2);
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}
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else
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{
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tc_mutex_lock(g_sync1_mutex);
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tc_mutex_lock(g_sync_mutex);
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g_sync_param1 = sync_param1;
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g_sync_param2 = sync_param2;
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g_sync_func = sync_func;
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g_sync_command = 100;
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tc_mutex_unlock(g_sync_mutex);
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g_set_wait_obj(g_sync_event);
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do
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{
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g_sleep(100);
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tc_mutex_lock(g_sync_mutex);
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sync_command = g_sync_command;
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sync_result = g_sync_result;
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tc_mutex_unlock(g_sync_mutex);
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}
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while (sync_command != 0);
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tc_mutex_unlock(g_sync1_mutex);
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}
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return sync_result;
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}
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/*****************************************************************************/
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void DEFAULT_CC
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xrdp_shutdown(int sig)
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{
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tbus threadid;
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threadid = tc_get_threadid();
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if (threadid != g_threadid)
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{
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return;
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}
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g_writeln("shutting down");
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g_writeln("signal %d threadid $%8.8x", sig, threadid);
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if (!g_is_wait_obj_set(g_term_event))
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{
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g_set_wait_obj(g_term_event);
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}
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}
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/*****************************************************************************/
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int APP_CC
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g_is_term(void)
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{
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return g_is_wait_obj_set(g_term_event);
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}
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/*****************************************************************************/
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void APP_CC
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g_set_term(int in_val)
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{
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if (in_val)
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{
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g_set_wait_obj(g_term_event);
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}
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else
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{
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g_reset_wait_obj(g_term_event);
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}
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}
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/*****************************************************************************/
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tbus APP_CC
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g_get_term_event(void)
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{
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return g_term_event;
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}
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/*****************************************************************************/
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tbus APP_CC
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g_get_sync_event(void)
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{
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return g_sync_event;
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}
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/*****************************************************************************/
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void DEFAULT_CC
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pipe_sig(int sig_num)
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{
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/* do nothing */
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g_writeln("got SIGPIPE(%d)", sig_num);
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}
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/*****************************************************************************/
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void APP_CC
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g_loop(void)
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{
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tc_mutex_lock(g_sync_mutex);
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if (g_sync_command != 0)
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{
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if (g_sync_func != 0)
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{
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if (g_sync_command == 100)
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{
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g_sync_result = g_sync_func(g_sync_param1, g_sync_param2);
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}
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}
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g_sync_command = 0;
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}
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tc_mutex_unlock(g_sync_mutex);
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}
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/* win32 service control functions */
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#if defined(_WIN32)
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/*****************************************************************************/
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VOID WINAPI
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MyHandler(DWORD fdwControl)
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{
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if (g_ssh == 0)
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{
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return;
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}
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if (fdwControl == SERVICE_CONTROL_STOP)
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{
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g_service_status.dwCurrentState = SERVICE_STOP_PENDING;
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g_set_term(1);
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}
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else if (fdwControl == SERVICE_CONTROL_PAUSE)
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{
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/* shouldn't happen */
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}
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else if (fdwControl == SERVICE_CONTROL_CONTINUE)
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{
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/* shouldn't happen */
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}
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else if (fdwControl == SERVICE_CONTROL_INTERROGATE)
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{
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}
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else if (fdwControl == SERVICE_CONTROL_SHUTDOWN)
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{
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g_service_status.dwCurrentState = SERVICE_STOP_PENDING;
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g_set_term(1);
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}
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SetServiceStatus(g_ssh, &g_service_status);
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}
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/*****************************************************************************/
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static void DEFAULT_CC
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log_event(HANDLE han, char* msg)
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{
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ReportEvent(han, EVENTLOG_INFORMATION_TYPE, 0, 0, 0, 1, 0, &msg, 0);
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}
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/*****************************************************************************/
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VOID WINAPI
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MyServiceMain(DWORD dwArgc, LPTSTR* lpszArgv)
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{
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WSADATA w;
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//HANDLE event_han;
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// int fd;
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// char text[256];
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// fd = g_file_open("c:\\temp\\xrdp\\log.txt");
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// g_file_write(fd, "hi\r\n", 4);
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//event_han = RegisterEventSource(0, "xrdp");
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//log_event(event_han, "hi xrdp log");
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g_threadid = tc_get_threadid();
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g_set_current_dir("c:\\temp\\xrdp");
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g_listen = 0;
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WSAStartup(2, &w);
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g_sync_mutex = tc_mutex_create();
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g_sync1_mutex = tc_mutex_create();
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g_term_event = g_create_wait_obj("xrdp_main_term");
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g_sync_event = g_create_wait_obj("xrdp_main_sync");
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g_memset(&g_service_status, 0, sizeof(SERVICE_STATUS));
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g_service_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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g_service_status.dwCurrentState = SERVICE_RUNNING;
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g_service_status.dwControlsAccepted = SERVICE_CONTROL_INTERROGATE |
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SERVICE_ACCEPT_STOP |
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SERVICE_ACCEPT_SHUTDOWN;
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g_service_status.dwWin32ExitCode = NO_ERROR;
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g_service_status.dwServiceSpecificExitCode = 0;
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g_service_status.dwCheckPoint = 0;
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g_service_status.dwWaitHint = 0;
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// g_sprintf(text, "calling RegisterServiceCtrlHandler\r\n");
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// g_file_write(fd, text, g_strlen(text));
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g_ssh = RegisterServiceCtrlHandler("xrdp", MyHandler);
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if (g_ssh != 0)
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{
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// g_sprintf(text, "ok\r\n");
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// g_file_write(fd, text, g_strlen(text));
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SetServiceStatus(g_ssh, &g_service_status);
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g_listen = xrdp_listen_create();
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xrdp_listen_main_loop(g_listen);
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g_sleep(100);
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g_service_status.dwCurrentState = SERVICE_STOPPED;
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SetServiceStatus(g_ssh, &g_service_status);
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}
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else
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{
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//g_sprintf(text, "RegisterServiceCtrlHandler failed\r\n");
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//g_file_write(fd, text, g_strlen(text));
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}
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xrdp_listen_delete(g_listen);
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tc_mutex_delete(g_sync_mutex);
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tc_mutex_delete(g_sync1_mutex);
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g_destroy_wait_obj(g_term_event);
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g_destroy_wait_obj(g_sync_event);
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WSACleanup();
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//CloseHandle(event_han);
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}
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#endif
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/*****************************************************************************/
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int DEFAULT_CC
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main(int argc, char** argv)
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{
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int test;
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int host_be;
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#if defined(_WIN32)
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WSADATA w;
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SC_HANDLE sc_man;
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SC_HANDLE sc_ser;
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int run_as_service;
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SERVICE_TABLE_ENTRY te[2];
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#else
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int pid;
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int fd;
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int no_daemon;
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char text[32];
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#endif
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g_init();
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/* check compiled endian with actual endian */
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test = 1;
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host_be = !((int)(*(unsigned char*)(&test)));
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#if defined(B_ENDIAN)
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if (!host_be)
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#endif
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#if defined(L_ENDIAN)
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if (host_be)
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#endif
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{
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g_writeln("endian wrong, edit arch.h");
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return 0;
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}
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/* check long, int and void* sizes */
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if (sizeof(int) != 4)
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{
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g_writeln("unusable int size, must be 4");
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return 0;
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}
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if (sizeof(long) != sizeof(void*))
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{
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g_writeln("long size must match void* size");
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return 0;
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}
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if (sizeof(long) != 4 && sizeof(long) != 8)
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{
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g_writeln("unusable long size, must be 4 or 8");
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return 0;
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}
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#if defined(_WIN32)
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run_as_service = 1;
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if (argc == 2)
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{
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if (g_strncasecmp(argv[1], "-help", 255) == 0 ||
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g_strncasecmp(argv[1], "--help", 255) == 0 ||
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g_strncasecmp(argv[1], "-h", 255) == 0)
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{
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g_writeln("");
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g_writeln("xrdp: A Remote Desktop Protocol server.");
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g_writeln("Copyright (C) Jay Sorg 2004-2005");
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g_writeln("See http://xrdp.sourceforge.net for more information.");
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g_writeln("");
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g_writeln("Usage: xrdp [options]");
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g_writeln(" -h: show help");
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g_writeln(" -install: install service");
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g_writeln(" -remove: remove service");
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g_writeln("");
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g_exit(0);
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}
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else if (g_strncasecmp(argv[1], "-install", 255) == 0 ||
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g_strncasecmp(argv[1], "--install", 255) == 0 ||
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g_strncasecmp(argv[1], "-i", 255) == 0)
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{
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/* open service manager */
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sc_man = OpenSCManager(0, 0, GENERIC_WRITE);
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if (sc_man == 0)
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{
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g_writeln("error OpenSCManager, do you have rights?");
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g_exit(0);
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}
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/* check if service is allready installed */
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sc_ser = OpenService(sc_man, "xrdp", SERVICE_ALL_ACCESS);
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if (sc_ser == 0)
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{
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/* install service */
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CreateService(sc_man, "xrdp", "xrdp", SERVICE_ALL_ACCESS,
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SERVICE_WIN32_OWN_PROCESS, SERVICE_DEMAND_START,
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SERVICE_ERROR_IGNORE, "c:\\temp\\xrdp\\xrdp.exe",
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0, 0, 0, 0, 0);
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}
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else
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{
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g_writeln("error service is allready installed");
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CloseServiceHandle(sc_ser);
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CloseServiceHandle(sc_man);
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g_exit(0);
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}
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CloseServiceHandle(sc_man);
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g_exit(0);
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}
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else if (g_strncasecmp(argv[1], "-remove", 255) == 0 ||
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g_strncasecmp(argv[1], "--remove", 255) == 0 ||
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g_strncasecmp(argv[1], "-r", 255) == 0)
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{
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/* open service manager */
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sc_man = OpenSCManager(0, 0, GENERIC_WRITE);
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if (sc_man == 0)
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{
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g_writeln("error OpenSCManager, do you have rights?");
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g_exit(0);
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}
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/* check if service is allready installed */
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sc_ser = OpenService(sc_man, "xrdp", SERVICE_ALL_ACCESS);
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if (sc_ser == 0)
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{
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g_writeln("error service is not installed");
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CloseServiceHandle(sc_man);
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g_exit(0);
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}
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DeleteService(sc_ser);
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CloseServiceHandle(sc_man);
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g_exit(0);
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}
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else
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{
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g_writeln("Unknown Parameter");
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g_writeln("xrdp -h for help");
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g_writeln("");
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g_exit(0);
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}
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}
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else if (argc > 1)
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{
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g_writeln("Unknown Parameter");
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g_writeln("xrdp -h for help");
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g_writeln("");
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g_exit(0);
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}
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if (run_as_service)
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{
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g_memset(&te, 0, sizeof(te));
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te[0].lpServiceName = "xrdp";
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te[0].lpServiceProc = MyServiceMain;
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StartServiceCtrlDispatcher(&te);
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g_exit(0);
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}
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WSAStartup(2, &w);
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#else /* _WIN32 */
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no_daemon = 0;
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if (argc == 2)
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{
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if (g_strncasecmp(argv[1], "-kill", 255) == 0 ||
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g_strncasecmp(argv[1], "--kill", 255) == 0)
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{
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g_writeln("stopping xrdp");
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/* read the xrdp.pid file */
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fd = -1;
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if (g_file_exist(XRDP_PID_FILE)) /* xrdp.pid */
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{
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fd = g_file_open(XRDP_PID_FILE); /* xrdp.pid */
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}
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if (fd == -1)
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{
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g_writeln("problem opening to xrdp.pid");
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g_writeln("maybe its not running");
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}
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else
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{
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g_memset(text, 0, 32);
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g_file_read(fd, text, 31);
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pid = g_atoi(text);
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g_writeln("stopping process id %d", pid);
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if (pid > 0)
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{
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g_sigterm(pid);
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}
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g_file_close(fd);
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}
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g_exit(0);
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}
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else if (g_strncasecmp(argv[1], "-nodaemon", 255) == 0 ||
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g_strncasecmp(argv[1], "--nodaemon", 255) == 0 ||
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g_strncasecmp(argv[1], "-nd", 255) == 0 ||
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g_strncasecmp(argv[1], "--nd", 255) == 0 ||
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g_strncasecmp(argv[1], "-ns", 255) == 0 ||
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g_strncasecmp(argv[1], "--ns", 255) == 0)
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{
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no_daemon = 1;
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}
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else if (g_strncasecmp(argv[1], "-help", 255) == 0 ||
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g_strncasecmp(argv[1], "--help", 255) == 0 ||
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g_strncasecmp(argv[1], "-h", 255) == 0)
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{
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g_writeln("");
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g_writeln("xrdp: A Remote Desktop Protocol server.");
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g_writeln("Copyright (C) Jay Sorg 2004-2005");
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g_writeln("See http://xrdp.sourceforge.net for more information.");
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g_writeln("");
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g_writeln("Usage: xrdp [options]");
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g_writeln(" -h: show help");
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g_writeln(" -nodaemon: don't fork into background");
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g_writeln(" -kill: shut down xrdp");
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g_writeln("");
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g_exit(0);
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}
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else
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{
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g_writeln("Unknown Parameter");
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g_writeln("xrdp -h for help");
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g_writeln("");
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g_exit(0);
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}
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}
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else if (argc > 1)
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{
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g_writeln("Unknown Parameter");
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g_writeln("xrdp -h for help");
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g_writeln("");
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g_exit(0);
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}
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if (g_file_exist(XRDP_PID_FILE)) /* xrdp.pid */
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{
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g_writeln("It looks like xrdp is allready running,");
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g_writeln("if not delete the xrdp.pid file and try again");
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g_exit(0);
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}
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if (!no_daemon)
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{
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/* start of daemonizing code */
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pid = g_fork();
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if (pid == -1)
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{
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g_writeln("problem forking");
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g_exit(1);
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}
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if (0 != pid)
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{
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g_writeln("process %d started ok", pid);
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/* exit, this is the main process */
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g_exit(0);
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}
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g_sleep(1000);
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g_file_close(0);
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g_file_close(1);
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g_file_close(2);
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g_file_open("/dev/null");
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g_file_open("/dev/null");
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g_file_open("/dev/null");
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/* end of daemonizing code */
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}
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/* write the pid to file */
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pid = g_getpid();
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fd = g_file_open(XRDP_PID_FILE); /* xrdp.pid */
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|
if (fd == -1)
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{
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|
g_writeln("trying to write process id to xrdp.pid");
|
|
g_writeln("problem opening xrdp.pid");
|
|
g_writeln("maybe no rights");
|
|
}
|
|
else
|
|
{
|
|
g_set_file_rights(XRDP_PID_FILE, 1, 1); /* xrdp.pid */
|
|
g_sprintf(text, "%d", pid);
|
|
g_file_write(fd, text, g_strlen(text));
|
|
g_file_close(fd);
|
|
}
|
|
#endif
|
|
g_threadid = tc_get_threadid();
|
|
g_listen = xrdp_listen_create();
|
|
g_signal(2, xrdp_shutdown); /* SIGINT */
|
|
g_signal(9, xrdp_shutdown); /* SIGKILL */
|
|
g_signal(13, pipe_sig); /* sig pipe */
|
|
g_signal(15, xrdp_shutdown); /* SIGTERM */
|
|
g_sync_mutex = tc_mutex_create();
|
|
g_sync1_mutex = tc_mutex_create();
|
|
g_term_event = g_create_wait_obj("xrdp_main_term");
|
|
g_sync_event = g_create_wait_obj("xrdp_main_sync");
|
|
if (g_term_event == 0)
|
|
{
|
|
g_writeln("error creating g_term_event");
|
|
}
|
|
xrdp_listen_main_loop(g_listen);
|
|
xrdp_listen_delete(g_listen);
|
|
tc_mutex_delete(g_sync_mutex);
|
|
tc_mutex_delete(g_sync1_mutex);
|
|
g_delete_wait_obj(g_term_event);
|
|
g_delete_wait_obj(g_sync_event);
|
|
#if defined(_WIN32)
|
|
/* I don't think it ever gets here */
|
|
/* when running in win32 app mode, control c exits right away */
|
|
WSACleanup();
|
|
#else
|
|
/* delete the xrdp.pid file */
|
|
g_file_delete(XRDP_PID_FILE);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|