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Use libevent to send MTU probes.
[tinc]
/
src
/
process.c
diff --git
a/src/process.c
b/src/process.c
index
fd19f4d
..
a7542a7
100644
(file)
--- a/
src/process.c
+++ b/
src/process.c
@@
-1,7
+1,7
@@
/*
process.c -- process management functions
/*
process.c -- process management functions
- Copyright (C) 1999-200
3 Ivo Timmermans <ivo@o2w.nl>
,
- 2000-200
3 Guus Sliepen <guus@sliepen.eu
.org>
+ Copyright (C) 1999-200
5 Ivo Timmermans
,
+ 2000-200
6 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
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
@@
-17,7
+17,7
@@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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
$
+ $Id$
*/
#include "system.h"
*/
#include "system.h"
@@
-36,7
+36,6
@@
/* If zero, don't detach from the terminal. */
bool do_detach = true;
/* If zero, don't detach from the terminal. */
bool do_detach = true;
-bool sighup = false;
bool sigalrm = false;
extern char *identname;
bool sigalrm = false;
extern char *identname;
@@
-58,19
+57,6
@@
static void memory_full(int size)
/* Some functions the less gifted operating systems might lack... */
/* 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;
#ifdef HAVE_MINGW
extern char *identname;
extern char *program_name;
@@
-82,7
+68,7
@@
static SERVICE_STATUS status = {0};
static SERVICE_STATUS_HANDLE statushandle = 0;
bool install_service(void) {
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"};
char **argp;
bool space;
SERVICE_DESCRIPTION description = {"Virtual Private Network daemon"};
@@
-93,33
+79,31
@@
bool install_service(void) {
return false;
}
return false;
}
- strncat(command, "\"", sizeof(command));
-
if(!strchr(program_name, '\\')) {
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, ' ');
for(argp = g_argv + 1; *argp; argp++) {
space = strchr(*argp, ' ');
- strncat(command, " ", sizeof(command));
+ strncat(command, " ", sizeof
command - strlen
(command));
if(space)
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)
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,
}
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()));
if(!service) {
logger(LOG_ERR, _("Could not create %s service: %s"), identname, winerror(GetLastError()));
@@
-171,24
+155,28
@@
DWORD WINAPI controlhandler(DWORD request, DWORD type, LPVOID boe, LPVOID bah) {
switch(request) {
case SERVICE_CONTROL_STOP:
logger(LOG_NOTICE, _("Got %s request"), "SERVICE_CONTROL_STOP");
switch(request) {
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");
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;
}
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);
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)
@@
-252,7
+240,7
@@
bool init_service(void) {
*/
static bool write_pidfile(void)
{
*/
static bool write_pidfile(void)
{
-
in
t pid;
+
pid_
t pid;
cp();
cp();
@@
-260,16
+248,18
@@
static bool write_pidfile(void)
if(pid) {
if(netname)
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 %
l
d.\n"),
+ netname,
(long)
pid);
else
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 */
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 false;
+ }
return true;
}
return true;
}
@@
-281,7
+271,7
@@
static bool write_pidfile(void)
bool kill_other(int signal)
{
#ifndef HAVE_MINGW
bool kill_other(int signal)
{
#ifndef HAVE_MINGW
-
in
t pid;
+
pid_
t pid;
cp();
cp();
@@
-346,8
+336,10
@@
bool detach(void)
/* Now UPDATE the pid in the pidfile, because we changed it... */
/* 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;
return false;
+ }
#else
if(!statushandle)
exit(install_service());
#else
if(!statushandle)
exit(install_service());
@@
-369,7
+361,8
@@
bool execute_script(const char *name, char **envp)
#ifdef HAVE_SYSTEM
int status, len;
struct stat s;
#ifdef HAVE_SYSTEM
int status, len;
struct stat s;
- char *scriptname;
+ char *scriptname, *p;
+ int i;
cp();
cp();
@@
-385,16
+378,18
@@
bool execute_script(const char *name, char **envp)
/* First check if there is a script */
/* First check if there is a script */
- if(stat(scriptname + 1, &s))
+ if(stat(scriptname + 1, &s)) {
+ free(scriptname);
return true;
return true;
+ }
ifdebug(STATUS) logger(LOG_INFO, _("Executing script %s"), name);
#ifdef HAVE_PUTENV
/* Set environment */
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] = '\"';
#endif
scriptname[len - 1] = '\"';
@@
-402,7
+397,17
@@
bool execute_script(const char *name, char **envp)
free(scriptname);
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) {
#ifdef WEXITSTATUS
if(status != -1) {
@@
-438,13
+443,19
@@
bool execute_script(const char *name, char **envp)
static RETSIGTYPE sigterm_handler(int a)
{
logger(LOG_NOTICE, _("Got %s signal"), "TERM");
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)
{
logger(LOG_NOTICE, _("Got %s signal"), "QUIT");
}
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)
@@
-479,12
+490,6
@@
static RETSIGTYPE fatal_signal_handler(int a)
}
}
}
}
-static RETSIGTYPE sighup_handler(int a)
-{
- logger(LOG_NOTICE, _("Got %s signal"), "HUP");
- sighup = true;
-}
-
static RETSIGTYPE sigint_handler(int a)
{
logger(LOG_NOTICE, _("Got %s signal"), "INT");
static RETSIGTYPE sigint_handler(int a)
{
logger(LOG_NOTICE, _("Got %s signal"), "INT");
@@
-542,7
+547,6
@@
static struct {
int signal;
void (*handler)(int);
} sighandlers[] = {
int signal;
void (*handler)(int);
} sighandlers[] = {
- {SIGHUP, sighup_handler},
{SIGTERM, sigterm_handler},
{SIGQUIT, sigquit_handler},
{SIGSEGV, fatal_signal_handler},
{SIGTERM, sigterm_handler},
{SIGQUIT, sigquit_handler},
{SIGSEGV, fatal_signal_handler},
@@
-582,7
+586,7
@@
void setup_signals(void)
/* If we didn't detach, allow coredumps */
if(!do_detach)
/* If we didn't detach, allow coredumps */
if(!do_detach)
- sighandlers[
3
].handler = SIG_DFL;
+ sighandlers[
2
].handler = SIG_DFL;
/* Then, for each known signal that we want to catch, assign a
handler to the signal, with error checking this time. */
/* Then, for each known signal that we want to catch, assign a
handler to the signal, with error checking this time. */