/*
process.c -- process management functions
- Copyright (C) 1999-2003 Ivo Timmermans <ivo@o2w.nl>,
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 1999-2005 Ivo Timmermans,
+ 2000-2009 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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id: process.c,v 1.1.2.72 2003/08/16 12:11:11 guus Exp $
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "system.h"
static int saved_debug_level = -1;
-static void memory_full(int size)
-{
+static void memory_full(int size) {
logger(LOG_ERR, _("Memory exhausted (couldn't allocate %d bytes), exitting."), size);
cp_trace();
exit(1);
/* Some functions the less gifted operating systems might lack... */
-#ifndef HAVE_FCLOSEALL
-static int fcloseall(void)
-{
- fflush(stdin);
- fflush(stdout);
- fflush(stderr);
- fclose(stdin);
- fclose(stdout);
- fclose(stderr);
- return 0;
-}
-#endif
-
#ifdef HAVE_MINGW
extern char *identname;
extern char *program_name;
static SERVICE_STATUS_HANDLE statushandle = 0;
bool install_service(void) {
- char command[4096] = "";
+ char command[4096] = "\"";
char **argp;
bool space;
SERVICE_DESCRIPTION description = {"Virtual Private Network daemon"};
return false;
}
- strncat(command, "\"", sizeof(command));
-
if(!strchr(program_name, '\\')) {
- GetCurrentDirectory(sizeof(command), command);
- strncat(command, "\\", sizeof(command));
+ GetCurrentDirectory(sizeof command - 1, command + 1);
+ strncat(command, "\\", sizeof command - strlen(command));
}
- strncat(command, program_name, sizeof(command));
+ strncat(command, program_name, sizeof command - strlen(command));
- strncat(command, "\"", sizeof(command));
+ strncat(command, "\"", sizeof command - strlen(command));
for(argp = g_argv + 1; *argp; argp++) {
space = strchr(*argp, ' ');
- strncat(command, " ", sizeof(command));
+ strncat(command, " ", sizeof command - strlen(command));
if(space)
- strncat(command, "\"", sizeof(command));
+ strncat(command, "\"", sizeof command - strlen(command));
- strncat(command, *argp, sizeof(command));
+ strncat(command, *argp, sizeof command - strlen(command));
if(space)
- strncat(command, "\"", sizeof(command));
+ 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, "NDIS", NULL, NULL, NULL, NULL);
+ command, NULL, NULL, NULL, NULL, NULL);
if(!service) {
logger(LOG_ERR, _("Could not create %s service: %s"), identname, winerror(GetLastError()));
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(LOG_NOTICE, _("Got %s request"), "SERVICE_CONTROL_STOP");
- running = false;
break;
case SERVICE_CONTROL_SHUTDOWN:
logger(LOG_NOTICE, _("Got %s request"), "SERVICE_CONTROL_SHUTDOWN");
- running = false;
break;
default:
logger(LOG_WARNING, _("Got unexpected request %d"), request);
return ERROR_CALL_NOT_IMPLEMENTED;
}
- if(!running) {
+ if(running) {
+ running = false;
status.dwWaitHint = 30000;
status.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus(statushandle, &status);
+ return NO_ERROR;
+ } else {
+ status.dwWaitHint = 0;
+ status.dwCurrentState = SERVICE_STOPPED;
+ SetServiceStatus(statushandle, &status);
+ exit(1);
}
- return NO_ERROR;
}
-VOID WINAPI run_service(DWORD argc, LPTSTR* argv)
-{
+VOID WINAPI run_service(DWORD argc, LPTSTR* argv) {
int err = 1;
extern int main2(int argc, char **argv);
/*
check for an existing tinc for this net, and write pid to pidfile
*/
-static bool write_pidfile(void)
-{
- int pid;
+static bool write_pidfile(void) {
+ pid_t pid;
cp();
if(pid) {
if(netname)
- fprintf(stderr, _("A tincd is already running for net `%s' with pid %d.\n"),
- netname, pid);
+ fprintf(stderr, _("A tincd is already running for net `%s' with pid %ld.\n"),
+ netname, (long)pid);
else
- fprintf(stderr, _("A tincd is already running with pid %d.\n"), pid);
+ fprintf(stderr, _("A tincd is already running with pid %ld.\n"), (long)pid);
return false;
}
/* if it's locked, write-protected, or whatever */
- if(!write_pid(pidfilename))
+ if(!write_pid(pidfilename)) {
+ fprintf(stderr, _("Could write pid file %s: %s\n"), pidfilename, strerror(errno));
return false;
+ }
return true;
}
/*
kill older tincd for this net
*/
-bool kill_other(int signal)
-{
+bool kill_other(int signal) {
#ifndef HAVE_MINGW
- int pid;
+ pid_t pid;
cp();
/*
Detach from current terminal, write pidfile, kill parent
*/
-bool detach(void)
-{
+bool detach(void) {
cp();
setup_signals();
/* Now UPDATE the pid in the pidfile, because we changed it... */
- if(!write_pid(pidfilename))
+ if(!write_pid(pidfilename)) {
+ fprintf(stderr, _("Could not write pid file %s: %s\n"), pidfilename, strerror(errno));
return false;
+ }
#else
if(!statushandle)
exit(install_service());
return true;
}
-bool execute_script(const char *name, char **envp)
-{
+bool execute_script(const char *name, char **envp) {
#ifdef HAVE_SYSTEM
int status, len;
- struct stat s;
- char *scriptname;
+ char *scriptname, *p;
+ int i;
cp();
#ifndef HAVE_MINGW
- len = asprintf(&scriptname, "\"%s/%s\"", confbase, name);
+ len = xasprintf(&scriptname, "\"%s/%s\"", confbase, name);
#else
- len = asprintf(&scriptname, "\"%s/%s.bat\"", confbase, name);
+ len = xasprintf(&scriptname, "\"%s/%s.bat\"", confbase, name);
#endif
if(len < 0)
return false;
scriptname[len - 1] = '\0';
+#ifndef HAVE_TUNEMU
/* First check if there is a script */
- if(stat(scriptname + 1, &s))
+ if(access(scriptname + 1, F_OK)) {
+ free(scriptname);
return true;
+ }
+#endif
ifdebug(STATUS) logger(LOG_INFO, _("Executing script %s"), name);
#ifdef HAVE_PUTENV
/* Set environment */
- while(*envp)
- putenv(*envp++);
+ for(i = 0; envp[i]; i++)
+ putenv(envp[i]);
#endif
scriptname[len - 1] = '\"';
free(scriptname);
- /* Unset environment? */
+ /* Unset environment */
+
+ for(i = 0; envp[i]; i++) {
+ char *e = strchr(envp[i], '=');
+ if(e) {
+ p = alloca(e - envp[i] + 1);
+ strncpy(p, envp[i], e - envp[i]);
+ p[e - envp[i]] = '\0';
+ putenv(p);
+ }
+ }
#ifdef WEXITSTATUS
if(status != -1) {
*/
#ifndef HAVE_MINGW
-static RETSIGTYPE sigterm_handler(int a)
-{
+static RETSIGTYPE sigterm_handler(int a) {
logger(LOG_NOTICE, _("Got %s signal"), "TERM");
- running = false;
+ if(running)
+ running = false;
+ else
+ exit(1);
}
-static RETSIGTYPE sigquit_handler(int a)
-{
+static RETSIGTYPE sigquit_handler(int a) {
logger(LOG_NOTICE, _("Got %s signal"), "QUIT");
- running = false;
+ if(running)
+ running = false;
+ else
+ exit(1);
}
-static RETSIGTYPE fatal_signal_square(int a)
-{
+static RETSIGTYPE fatal_signal_square(int a) {
logger(LOG_ERR, _("Got another fatal signal %d (%s): not restarting."), a,
strsignal(a));
cp_trace();
exit(1);
}
-static RETSIGTYPE fatal_signal_handler(int a)
-{
+static RETSIGTYPE fatal_signal_handler(int a) {
struct sigaction act;
logger(LOG_ERR, _("Got fatal signal %d (%s)"), a, strsignal(a));
cp_trace();
}
}
-static RETSIGTYPE sighup_handler(int a)
-{
+static RETSIGTYPE sighup_handler(int a) {
logger(LOG_NOTICE, _("Got %s signal"), "HUP");
sighup = true;
}
-static RETSIGTYPE sigint_handler(int a)
-{
+static RETSIGTYPE sigint_handler(int a) {
logger(LOG_NOTICE, _("Got %s signal"), "INT");
if(saved_debug_level != -1) {
}
}
-static RETSIGTYPE sigalrm_handler(int a)
-{
+static RETSIGTYPE sigalrm_handler(int a) {
logger(LOG_NOTICE, _("Got %s signal"), "ALRM");
sigalrm = true;
}
-static RETSIGTYPE sigusr1_handler(int a)
-{
+static RETSIGTYPE sigusr1_handler(int a) {
dump_connections();
}
-static RETSIGTYPE sigusr2_handler(int a)
-{
+static RETSIGTYPE sigusr2_handler(int a) {
dump_device_stats();
dump_nodes();
dump_edges();
dump_subnets();
}
-static RETSIGTYPE sigwinch_handler(int a)
-{
+static RETSIGTYPE sigwinch_handler(int a) {
do_purge = true;
}
-static RETSIGTYPE unexpected_signal_handler(int a)
-{
+static RETSIGTYPE unexpected_signal_handler(int a) {
logger(LOG_WARNING, _("Got unexpected signal %d (%s)"), a, strsignal(a));
cp_trace();
}
-static RETSIGTYPE ignore_signal_handler(int a)
-{
+static RETSIGTYPE ignore_signal_handler(int a) {
ifdebug(SCARY_THINGS) logger(LOG_DEBUG, _("Ignored signal %d (%s)"), a, strsignal(a));
}
};
#endif
-void setup_signals(void)
-{
+void setup_signals(void) {
#ifndef HAVE_MINGW
int i;
struct sigaction act;
/* Set a default signal handler for every signal, errors will be
ignored. */
- for(i = 0; i < NSIG; i++) {
+ for(i = 1; i < NSIG; i++) {
if(!do_detach)
act.sa_handler = SIG_DFL;
else
projects / tinc / blobdiff