/*
process.c -- process management functions
Copyright (C) 1999-2005 Ivo Timmermans,
- 2000-2011 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2013 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 "control.h"
#include "device.h"
#include "edge.h"
+#include "event.h"
#include "logger.h"
+#include "names.h"
#include "net.h"
#include "node.h"
#include "process.h"
#include "subnet.h"
#include "utils.h"
#include "xalloc.h"
+#include "version.h"
/* If zero, don't detach from the terminal. */
bool do_detach = true;
bool sigalrm = false;
-extern char *identname;
extern char **g_argv;
extern bool use_logfile;
+extern bool use_syslog;
/* Some functions the less gifted operating systems might lack... */
#ifdef HAVE_MINGW
-extern char *identname;
-extern char *program_name;
-extern char **g_argv;
-
static SC_HANDLE manager = NULL;
static SC_HANDLE service = NULL;
static SERVICE_STATUS status = {0};
static bool install_service(void) {
char command[4096] = "\"";
- char **argp;
- bool space;
SERVICE_DESCRIPTION description = {"Virtual Private Network daemon"};
manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
strncat(command, "\"", sizeof command - strlen(command));
- for(argp = g_argv + 1; *argp; argp++) {
- space = strchr(*argp, ' ');
+ for(char **argp = g_argv + 1; *argp; argp++) {
+ char *space = strchr(*argp, ' ');
strncat(command, " ", sizeof command - strlen(command));
-
+
if(space)
strncat(command, "\"", sizeof command - strlen(command));
-
+
strncat(command, *argp, sizeof command - strlen(command));
if(space)
service = CreateService(manager, identname, identname,
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));
return true;
}
+io_t stop_io;
+
DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
switch(request) {
case SERVICE_CONTROL_INTERROGATE:
logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s request", "SERVICE_CONTROL_SHUTDOWN");
break;
default:
- logger(DEBUG_ALWAYS, LOG_WARNING, "Got unexpected request %d", request);
+ logger(DEBUG_ALWAYS, LOG_WARNING, "Got unexpected request %d", (int)request);
return ERROR_CALL_NOT_IMPLEMENTED;
}
- event_loopexit(NULL);
- status.dwWaitHint = 30000;
- status.dwCurrentState = SERVICE_STOP_PENDING;
+ status.dwWaitHint = 1000;
+ status.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus(statushandle, &status);
+ if (WSASetEvent(stop_io.event) == FALSE)
+ abort();
return NO_ERROR;
}
VOID WINAPI run_service(DWORD argc, LPTSTR* argv) {
- int err = 1;
extern int main2(int argc, char **argv);
-
- status.dwServiceType = SERVICE_WIN32;
+ status.dwServiceType = SERVICE_WIN32;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
- status.dwWin32ExitCode = 0;
- status.dwServiceSpecificExitCode = 0;
- status.dwCheckPoint = 0;
+ status.dwWin32ExitCode = 0;
+ status.dwServiceSpecificExitCode = 0;
+ status.dwCheckPoint = 0;
- statushandle = RegisterServiceCtrlHandlerEx(identname, controlhandler, NULL);
+ statushandle = RegisterServiceCtrlHandlerEx(identname, controlhandler, NULL);
if (!statushandle) {
logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "RegisterServiceCtrlHandlerEx", winerror(GetLastError()));
- err = 1;
} else {
- status.dwWaitHint = 30000;
- status.dwCurrentState = SERVICE_START_PENDING;
+ status.dwWaitHint = 30000;
+ status.dwCurrentState = SERVICE_START_PENDING;
SetServiceStatus(statushandle, &status);
- status.dwWaitHint = 0;
+ status.dwWaitHint = 0;
status.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus(statushandle, &status);
- err = main2(argc, argv);
+ main2(argc, argv);
status.dwWaitHint = 0;
- status.dwCurrentState = SERVICE_STOPPED;
- //status.dwWin32ExitCode = err;
+ status.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus(statushandle, &status);
}
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)) {
- fprintf(stderr, "Couldn't detach from terminal: %s",
- strerror(errno));
+ logger(DEBUG_ALWAYS, LOG_ERR, "Couldn't detach from terminal: %s", strerror(errno));
return false;
}
#else
if(!statushandle)
- exit(install_service());
-#endif
- }
-
- openlogger(identname, use_logfile?LOGMODE_FILE:(do_detach?LOGMODE_SYSLOG:LOGMODE_STDERR));
-
- logger(DEBUG_ALWAYS, LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
- VERSION, __DATE__, __TIME__, debug_level);
-
- return true;
-}
-
-bool execute_script(const char *name, char **envp) {
-#ifdef HAVE_SYSTEM
- int status, len;
- char *scriptname;
- int i;
-
-#ifndef HAVE_MINGW
- len = xasprintf(&scriptname, "\"%s/%s\"", confbase, name);
-#else
- len = xasprintf(&scriptname, "\"%s/%s.bat\"", confbase, name);
+ exit(!install_service());
#endif
- if(len < 0)
- return false;
-
- scriptname[len - 1] = '\0';
-
-#ifndef HAVE_TUNEMU
- /* First check if there is a script */
-
- if(access(scriptname + 1, F_OK)) {
- free(scriptname);
- return true;
}
-#endif
-
- logger(DEBUG_STATUS, LOG_INFO, "Executing script %s", name);
-#ifdef HAVE_PUTENV
- /* Set environment */
-
- for(i = 0; envp[i]; i++)
- putenv(envp[i]);
-#endif
-
- scriptname[len - 1] = '\"';
- status = system(scriptname);
-
- free(scriptname);
+ if(use_logfile)
+ logmode = LOGMODE_FILE;
+ else if(use_syslog || do_detach)
+ logmode = LOGMODE_SYSLOG;
+ else
+ logmode = LOGMODE_STDERR;
- /* Unset environment */
+ openlogger(identname, logmode);
- for(i = 0; envp[i]; i++) {
- char *e = strchr(envp[i], '=');
- if(e) {
- char p[e - envp[i] + 1];
- strncpy(p, envp[i], e - envp[i]);
- p[e - envp[i]] = '\0';
- putenv(p);
- }
- }
+ logger(DEBUG_ALWAYS, LOG_NOTICE, "tincd %s (%s %s) starting, debug level %d",
+ VERSION, BUILD_DATE, BUILD_TIME, debug_level);
-#ifdef WEXITSTATUS
- if(status != -1) {
- if(WIFEXITED(status)) { /* Child exited by itself */
- if(WEXITSTATUS(status)) {
- logger(DEBUG_ALWAYS, LOG_ERR, "Script %s exited with non-zero status %d",
- name, WEXITSTATUS(status));
- return false;
- }
- } else if(WIFSIGNALED(status)) { /* Child was killed by a signal */
- logger(DEBUG_ALWAYS, LOG_ERR, "Script %s was killed by signal %d (%s)",
- name, WTERMSIG(status), strsignal(WTERMSIG(status)));
- return false;
- } else { /* Something strange happened */
- logger(DEBUG_ALWAYS, LOG_ERR, "Script %s terminated abnormally", name);
- return false;
- }
- } else {
- logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "system", strerror(errno));
- return false;
- }
-#endif
-#endif
return true;
}