31  * -i	<device instance>
32  *	VCC device instance to use, e.g. virtual-console-concentrator@0.
34  * -p	<ip address>
36  * -d
38  * -t	timeout for inactivity 0 = indefinite
39  * -A	enable Authorization checking. Mutually exclusive with -p.
64 #if !defined(TEXT_DOMAIN)	/* Should be defined by cc -D */
76 #define	VNTSD_INVALID_LISTEN_ADDR	    ((in_addr_t)-1)
92 	if (thr_self() != vntsdp->tid) {  in exit_sig_handler()
94 		(void) thr_kill(vntsdp->tid, sig);  in exit_sig_handler()
102  * it can be waken up if a client does not access the connection for
112 	if (vntsdp->timeout == 0) {  in vntsd_attach_timer()
116 	(void) mutex_lock(&vntsdp->tmo_lock);  in vntsd_attach_timer()
117 	rv = vntsd_que_append(&vntsdp->tmoq, (void *)tmop);  in vntsd_attach_timer()
118 	(void) mutex_unlock(&vntsdp->tmo_lock);  in vntsd_attach_timer()
128 	if (vntsdp->timeout == 0) {  in vntsd_detach_timer()
132 	(void) mutex_lock(&vntsdp->tmo_lock);  in vntsd_detach_timer()
133 	rv = vntsd_que_rm(&vntsdp->tmoq, (void *)tmop);  in vntsd_detach_timer()
134 	(void) mutex_unlock(&vntsdp->tmo_lock);  in vntsd_detach_timer()
143 	tmop->minutes++;  in chk_timeout()
145 	if (tmop->minutes == vntsdp->timeout) {  in chk_timeout()
146 		/* wake up the thread */  in chk_timeout()
147 		tmop->clientp->status |= VNTSD_CLIENT_TIMEOUT;  in chk_timeout()
148 		(void) thr_kill(tmop->tid, SIGALRM);  in chk_timeout()
162 	if (tmop->tid == tid) {  in reset_timeout()
163 		tmop->minutes = 0;  in reset_timeout()
172 	if (vntsdp->timeout == 0) {  in vntsd_reset_timer()
176 	(void) mutex_lock(&vntsdp->tmo_lock);  in vntsd_reset_timer()
177 	(void) vntsd_que_find(vntsdp->tmoq, reset_timeout,  in vntsd_reset_timer()
179 	(void) mutex_unlock(&vntsdp->tmo_lock);  in vntsd_reset_timer()
183  * When alarm goes off, wake up timeout threads. Alarm is set off every
192 	if (vntsdp->timeout == 0) {  in vntsd_alarm_sig_handler()
208 	(void) mutex_lock(&vntsdp->tmo_lock);  in vntsd_alarm_sig_handler()
210 	/* wake up timeout threads */  in vntsd_alarm_sig_handler()
211 	(void) vntsd_que_walk(vntsdp->tmoq, (el_func_t)chk_timeout);  in vntsd_alarm_sig_handler()
212 	(void) mutex_unlock(&vntsdp->tmo_lock);  in vntsd_alarm_sig_handler()
238 	(void) mutex_lock(&vntsdp->lock);  in vntsd_exit()
240 	if (vntsdp->timeout > 0) {  in vntsd_exit()
245 	vntsd_free_que(&vntsdp->grouppq, (clean_func_t)vntsd_clean_group);  in vntsd_exit()
248 	(void) close(vntsdp->ctrl_fd);  in vntsd_exit()
250 	assert(vntsdp->tmoq == NULL);  in vntsd_exit()
251 	(void) mutex_unlock(&vntsdp->lock);  in vntsd_exit()
253 	/* clean up vntsdp */  in vntsd_exit()
254 	(void) mutex_destroy(&vntsdp->tmo_lock);  in vntsd_exit()
255 	(void) mutex_destroy(&vntsdp->lock);  in vntsd_exit()
267 	(void) fprintf(stderr, gettext("Usage: vntsd -i <VCC device instance> "  in vntsd_help()
268 	    "[-p <listen address>] [-t <timeout in minutes>] [-A]\n"));  in vntsd_help()
292 	if ((int)(addr = inet_addr(listen_addr)) == -1)  in get_listen_ip_addr()
309 		sa = (struct sockaddr_in *)infop->ai_addr;  in get_listen_ip_addr()
310 		if (sa->sin_addr.s_addr == addr) {  in get_listen_ip_addr()
315 		infop = infop->ai_next;  in get_listen_ip_addr()
362 	(void) enable_extended_FILE_stdio(-1, -1);  in main()
370 	vntsdp->ctrl_fd = -1;  in main()
371 	vntsdp->devinst = NULL;  in main()
373 	(void) mutex_init(&vntsdp->lock, USYNC_THREAD|LOCK_ERRORCHECK, NULL);  in main()
374 	(void) mutex_init(&vntsdp->tmo_lock, USYNC_THREAD|LOCK_ERRORCHECK,  in main()
382 			vntsdp->options |= VNTSD_OPT_DAEMON_OFF;  in main()
386 			vntsdp->devinst = optarg;  in main()
393 			n = sscanf(optarg, "%d", &(vntsdp->timeout));  in main()
395 				vntsdp->timeout = -1;  in main()
409 			 * connect to vntsd. The '-p' option if specified while  in main()
414 			vntsdp->options |= VNTSD_OPT_AUTH_CHECK;  in main()
423 	if ((vntsdp->devinst == NULL) || (vntsdp->timeout == -1)) {  in main()
432 		vntsdp->ip_addr.s_addr = htonl(INADDR_LOOPBACK);  in main()
433 	} else if ((vntsdp->options & VNTSD_OPT_AUTH_CHECK) != 0) {  in main()
437 		vntsdp->ip_addr.s_addr = htonl(INADDR_LOOPBACK);  in main()
439 		vntsdp->ip_addr.s_addr = htonl(INADDR_ANY);  in main()
441 		vntsdp->ip_addr.s_addr = get_listen_ip_addr(listen_addr);  in main()
442 		if (vntsdp->ip_addr.s_addr == VNTSD_INVALID_LISTEN_ADDR) {  in main()
451 	    vntsdp->options, vntsdp->devinst,  in main()
455 	sz = strlen(VCC_DEVICE_CTL_PATH) + strlen(vntsdp->devinst) + 1;  in main()
461 	(void) snprintf(path, sz-1, VCC_DEVICE_CTL_PATH, vntsdp->devinst,  in main()
462 	    sizeof (vntsdp->devinst));  in main()
463 	vntsdp->ctrl_fd = open(path, O_RDWR);  in main()
465 	if (vntsdp->ctrl_fd == -1) {  in main()
476 	if ((vntsdp->options & VNTSD_OPT_DAEMON_OFF) == 0) {  in main()
495 		for (i = 3; i < vntsdp->ctrl_fd; i++) {  in main()
498 		closefrom(vntsdp->ctrl_fd + 1);  in main()
525 	/* set up signal handlers */  in main()
556 	if (vntsdp->timeout > 0) {  in main()
560 	vntsdp->tid = thr_self();  in main()
569 		poll_drv[0].fd = vntsdp->ctrl_fd;  in main()
572 		if (poll(poll_drv, 1, -1) == -1) {  in main()
574 				/* wake up because a consle was deleted */  in main()
588 		 * Main thread may miss a console-delete signal when it is  in main()
603 	return (vntsdp->ip_addr);  in vntsd_ip_addr()
629 	if (ioctl(vntsdp->ctrl_fd, ioctl_code, (caddr_t)buf)) {  in vntsd_vcc_ioctl()
639  * wake up main thread to cleanup the console.
647 	groupp = consp->group;  in vntsd_vcc_err()
650 	if (consp->status & VNTSD_CONS_DELETED) {  in vntsd_vcc_err()
661 	(void) mutex_lock(&consp->lock);  in vntsd_vcc_err()
662 	consp->status |= VNTSD_CONS_DELETED;  in vntsd_vcc_err()
668 	(void) mutex_unlock(&consp->lock);  in vntsd_vcc_err()
671 	(void) mutex_lock(&groupp->lock);  in vntsd_vcc_err()
672 	groupp->status |= VNTSD_GROUP_CLEAN_CONS;  in vntsd_vcc_err()
673 	(void) mutex_unlock(&groupp->lock);  in vntsd_vcc_err()
676 	(void) thr_kill(vntsdp->tid, SIGUSR1);  in vntsd_vcc_err()