int main(int argc, char *argv[]) {
static struct WSAData wsa_state;
TCHAR *c, stunnel_exe_path[MAX_PATH];
/* set current working directory and engine path */
GetModuleFileName(0, stunnel_exe_path, MAX_PATH);
c=_tcsrchr(stunnel_exe_path, TEXT('\\')); /* last backslash */
if(c) /* found */
c[1]=TEXT('\0'); /* truncate program name */
#ifndef _WIN32_WCE
if(!SetCurrentDirectory(stunnel_exe_path)) {
/* log to stderr, as s_log() is not initialized */
_ftprintf(stderr, TEXT("Cannot set directory to %s"),
stunnel_exe_path);
return 1;
}
#endif
_tputenv_s(TEXT("OPENSSL_ENGINES"), stunnel_exe_path);
str_init(); /* initialize per-thread string management */
if(WSAStartup(MAKEWORD(1, 1), &wsa_state))
return 1;
resolver_init();
main_init();
if(!main_configure(argc>1 ? argv[1] : NULL, argc>2 ? argv[2] : NULL))
daemon_loop();
main_cleanup();
return 0;
}
void main_execute(void) {
ssl_configure(); /* configure global SSL settings */
context_init(); /* initialize global SSL context */
/* check if started from inetd */
if(local_options.next) { /* there are service sections -> daemon mode */
daemon_loop();
} else { /* inetd mode */
#if !defined (USE_WIN32) && !defined (__vms)
max_fds=FD_SETSIZE; /* just in case */
drop_privileges();
#endif
num_clients=1;
client(alloc_client_session(&local_options, 0, 1));
}
/* close SSL */
context_free(); /* free global SSL context */
log_close();
}
static int main_unix(int argc, char* argv[]) {
#if !defined(__vms) && !defined(USE_OS2)
int fd;
fd=open("/dev/null", O_RDWR); /* open /dev/null before chroot */
if(fd<0)
fatal("Could not open /dev/null");
#endif /* standard Unix */
main_initialize();
if(main_configure(argc>1 ? argv[1] : NULL, argc>2 ? argv[2] : NULL))
return 1;
if(service_options.next) { /* there are service sections -> daemon mode */
#if !defined(__vms) && !defined(USE_OS2)
if(daemonize(fd))
return 1;
close(fd);
/* create_pid() must be called after drop_privileges()
* or it won't be possible to remove the file on exit */
/* create_pid() must be called after daemonize()
* since the final pid is not known beforehand */
if(create_pid())
return 1;
#endif /* standard Unix */
signal(SIGCHLD, signal_handler); /* handle dead children */
signal(SIGHUP, signal_handler); /* configuration reload */
signal(SIGUSR1, signal_handler); /* log reopen */
signal(SIGPIPE, SIG_IGN); /* ignore broken pipe */
if(signal(SIGTERM, SIG_IGN)!=SIG_IGN)
signal(SIGTERM, signal_handler); /* fatal */
if(signal(SIGQUIT, SIG_IGN)!=SIG_IGN)
signal(SIGQUIT, signal_handler); /* fatal */
if(signal(SIGINT, SIG_IGN)!=SIG_IGN)
signal(SIGINT, signal_handler); /* fatal */
daemon_loop();
} else { /* inetd mode */
#if !defined(__vms) && !defined(USE_OS2)
close(fd);
#endif /* standard Unix */
signal(SIGCHLD, SIG_IGN); /* ignore dead children */
signal(SIGPIPE, SIG_IGN); /* ignore broken pipe */
client_main(alloc_client_session(&service_options, 0, 1));
}
return 0;
}
NOEXPORT void daemon_thread(void *arg) {
(void)arg; /* skip warning about unused parameter */
main_initialize();
/* get a valid configuration */
while(main_configure(cmdline.config_file, NULL)) {
unbind_ports(); /* in case initialization failed after bind_ports() */
log_flush(LOG_MODE_ERROR); /* otherwise logs are buffered */
PostMessage(hwnd, WM_INVALID_CONFIG, 0, 0); /* display error */
WaitForSingleObject(config_ready, INFINITE);
log_close(); /* prevent main_configure() from logging in error mode */
}
error_mode=0; /* a valid configuration was loaded */
/* start the main loop */
daemon_loop();
main_cleanup();
_endthread(); /* SIGNAL_TERMINATE received */
}
NOEXPORT void daemon_thread(void *arg) {
(void)arg; /* squash the unused parameter warning */
tls_alloc(NULL, NULL, "main"); /* new thread-local storage */
main_init();
SetEvent(main_initialized); /* unlock the GUI thread */
/* get a valid configuration */
while(main_configure(cmdline.config_file, NULL)) {
if(cmdline.config_file && *cmdline.config_file=='-')
cmdline.config_file=NULL; /* don't retry commandline switches */
unbind_ports(); /* in case initialization failed after bind_ports() */
log_flush(LOG_MODE_ERROR); /* otherwise logs are buffered */
PostMessage(hwnd, WM_INVALID_CONFIG, 0, 0); /* display error */
WaitForSingleObject(config_ready, INFINITE);
log_close(); /* prevent main_configure() from logging in error mode */
}
PostMessage(hwnd, WM_VALID_CONFIG, 0, 0);
/* start the main loop */
daemon_loop();
main_cleanup();
_endthread(); /* SIGNAL_TERMINATE received */
}
NOEXPORT int main_unix(int argc, char* argv[]) {
int configure_status;
#if !defined(__vms) && !defined(USE_OS2)
int fd;
fd=open("/dev/null", O_RDWR); /* open /dev/null before chroot */
if(fd==INVALID_SOCKET)
fatal("Could not open /dev/null");
#endif
#ifdef WOLFSSL_DEBUG_ON
wolfSSL_Debugging_ON();
wolfSSL_SetLoggingCb((wolfSSL_Logging_cb)&wolfSSL_s_log);
#endif
main_init();
configure_status=main_configure(argc>1 ? argv[1] : NULL,
argc>2 ? argv[2] : NULL);
switch(configure_status) {
case 1: /* error -> exit with 1 to indicate error */
close(fd);
return 1;
case 2: /* information printed -> exit with 0 to indicate success */
close(fd);
return 0;
}
if(service_options.next) { /* there are service sections -> daemon mode */
#if !defined(__vms) && !defined(USE_OS2)
if(daemonize(fd)) {
close(fd);
return 1;
}
close(fd);
/* create_pid() must be called after drop_privileges()
* or it won't be possible to remove the file on exit */
/* create_pid() must be called after daemonize()
* since the final pid is not known beforehand */
if(create_pid())
return 1;
#endif
#ifndef USE_OS2
signal(SIGCHLD, signal_handler); /* handle dead children */
signal(SIGHUP, signal_handler); /* configuration reload */
signal(SIGUSR1, signal_handler); /* log reopen */
signal(SIGPIPE, SIG_IGN); /* ignore broken pipe */
if(signal(SIGTERM, SIG_IGN)!=SIG_IGN)
signal(SIGTERM, signal_handler); /* fatal */
if(signal(SIGQUIT, SIG_IGN)!=SIG_IGN)
signal(SIGQUIT, signal_handler); /* fatal */
if(signal(SIGINT, SIG_IGN)!=SIG_IGN)
signal(SIGINT, signal_handler); /* fatal */
#endif
daemon_loop();
} else { /* inetd mode */
#if !defined(__vms) && !defined(USE_OS2)
close(fd);
#endif /* standard Unix */
#ifndef USE_OS2
signal(SIGCHLD, SIG_IGN); /* ignore dead children */
signal(SIGPIPE, SIG_IGN); /* ignore broken pipe */
#endif
set_nonblock(0, 1); /* stdin */
set_nonblock(1, 1); /* stdout */
client_main(alloc_client_session(&service_options, 0, 1));
}
return 0;
}