/*
process.c -- process management functions
Copyright (C) 1999-2005 Ivo Timmermans,
- 2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2018 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "subnet.h"
#include "utils.h"
#include "xalloc.h"
+#include "version.h"
/* If zero, don't detach from the terminal. */
bool do_detach = true;
extern char **g_argv;
extern bool use_logfile;
+extern bool use_syslog;
/* Some functions the less gifted operating systems might lack... */
SERVICE_DESCRIPTION description = {"Virtual Private Network daemon"};
manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
+
if(!manager) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));
return false;
}
- if(!strchr(program_name, '\\')) {
- GetCurrentDirectory(sizeof command - 1, command + 1);
- strncat(command, "\\", sizeof command - strlen(command));
- }
-
- strncat(command, program_name, sizeof command - strlen(command));
+ HMODULE module = GetModuleHandle(NULL);
+ GetModuleFileName(module, command + 1, sizeof(command) - 1);
+ command[sizeof(command) - 1] = 0;
- strncat(command, "\"", sizeof command - strlen(command));
+ strncat(command, "\"", sizeof(command) - strlen(command));
for(char **argp = g_argv + 1; *argp; argp++) {
char *space = strchr(*argp, ' ');
- strncat(command, " ", sizeof command - strlen(command));
+ strncat(command, " ", sizeof(command) - strlen(command));
- if(space)
- strncat(command, "\"", sizeof command - strlen(command));
+ if(space) {
+ strncat(command, "\"", sizeof(command) - strlen(command));
+ }
- strncat(command, *argp, sizeof command - strlen(command));
+ strncat(command, *argp, sizeof(command) - strlen(command));
- if(space)
- strncat(command, "\"", sizeof command - strlen(command));
+ if(space) {
+ strncat(command, "\"", sizeof(command) - strlen(command));
+ }
}
service = CreateService(manager, identname, identname,
- SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
- command, NULL, NULL, NULL, NULL, NULL);
+ SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
+ command, NULL, NULL, NULL, NULL, NULL);
if(!service) {
DWORD lasterror = GetLastError();
logger(DEBUG_ALWAYS, LOG_ERR, "Could not create %s service: %s", identname, winerror(lasterror));
- if(lasterror != ERROR_SERVICE_EXISTS)
+
+ if(lasterror != ERROR_SERVICE_EXISTS) {
return false;
+ }
}
if(service) {
service = OpenService(manager, identname, SERVICE_ALL_ACCESS);
}
- if(!StartService(service, 0, NULL))
+ if(!StartService(service, 0, NULL)) {
logger(DEBUG_ALWAYS, LOG_WARNING, "Could not start %s service: %s", identname, winerror(GetLastError()));
- else
+ } else {
logger(DEBUG_ALWAYS, LOG_INFO, "%s service started", identname);
+ }
return true;
}
-static io_t stop_io;
+io_t stop_io;
+
+DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID data, LPVOID context) {
+ (void)type;
+ (void)data;
+ (void)context;
-DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
switch(request) {
- case SERVICE_CONTROL_INTERROGATE:
- SetServiceStatus(statushandle, &status);
- return NO_ERROR;
- case SERVICE_CONTROL_STOP:
- logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_STOP");
- break;
- case SERVICE_CONTROL_SHUTDOWN:
- logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_SHUTDOWN");
- break;
- default:
- logger(DEBUG_ALWAYS, LOG_WARNING, "Got unexpected request %d", (int)request);
- return ERROR_CALL_NOT_IMPLEMENTED;
+ case SERVICE_CONTROL_INTERROGATE:
+ SetServiceStatus(statushandle, &status);
+ return NO_ERROR;
+
+ case SERVICE_CONTROL_STOP:
+ logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_STOP");
+ break;
+
+ case SERVICE_CONTROL_SHUTDOWN:
+ logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_SHUTDOWN");
+ break;
+
+ default:
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Got unexpected request %d", (int)request);
+ return ERROR_CALL_NOT_IMPLEMENTED;
}
status.dwWaitHint = 1000;
status.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus(statushandle, &status);
- if (WSASetEvent(stop_io.event) == FALSE)
+
+ if(WSASetEvent(stop_io.event) == FALSE) {
abort();
- return NO_ERROR;
-}
+ }
-static void stop_handler(void *data, int flags) {
- event_exit();
+ return NO_ERROR;
}
-VOID WINAPI run_service(DWORD argc, LPTSTR* argv) {
+VOID WINAPI run_service(DWORD argc, LPTSTR *argv) {
extern int main2(int argc, char **argv);
- io_add_event(&stop_io, stop_handler, NULL, WSACreateEvent());
- if (stop_io.event == FALSE)
- abort();
-
status.dwServiceType = SERVICE_WIN32;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
status.dwWin32ExitCode = 0;
statushandle = RegisterServiceCtrlHandlerEx(identname, controlhandler, NULL);
- if (!statushandle) {
+ if(!statushandle) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "RegisterServiceCtrlHandlerEx", winerror(GetLastError()));
} else {
status.dwWaitHint = 30000;
SetServiceStatus(statushandle, &status);
}
- if (WSACloseEvent(stop_io.event) == FALSE)
- abort();
- io_del(&stop_io);
return;
}
if(!StartServiceCtrlDispatcher(services)) {
if(GetLastError() == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
return false;
- }
- else
+ } else {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "StartServiceCtrlDispatcher", winerror(GetLastError()));
+ }
}
return true;
Detach from current terminal
*/
bool detach(void) {
+ logmode_t logmode;
+
#ifndef HAVE_MINGW
signal(SIGPIPE, SIG_IGN);
signal(SIGUSR1, SIG_IGN);
if(do_detach) {
#ifndef HAVE_MINGW
- if(daemon(0, 0)) {
+
+ if(daemon(1, 0)) {
logger(DEBUG_ALWAYS, LOG_ERR, "Couldn't detach from terminal: %s", strerror(errno));
return false;
}
+
#else
- if(!statushandle)
+
+ if(!statushandle) {
exit(!install_service());
+ }
+
#endif
}
- openlogger(identname, use_logfile?LOGMODE_FILE:(do_detach?LOGMODE_SYSLOG:LOGMODE_STDERR));
+ if(use_logfile) {
+ logmode = LOGMODE_FILE;
+ } else if(use_syslog || do_detach) {
+ logmode = LOGMODE_SYSLOG;
+ } else {
+ logmode = LOGMODE_STDERR;
+ }
+
+ openlogger(identname, logmode);
logger(DEBUG_ALWAYS, LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
- VERSION, __DATE__, __TIME__, debug_level);
+ BUILD_VERSION, BUILD_DATE, BUILD_TIME, debug_level);
return true;
}
-
-