1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
33  * w - print system status (who and what)
82 static time_t	now;		/* the current time of day */
86 static int	header = 1;	/* true if -h flag: don't print heading */
87 static int	nflag;		/* true if -n flag: don't convert addrs */
88 static int	dflag;		/* true if -d flag: output debug info */
109 #define	debugproc(p) *(&((struct kinfo_proc *)p)->ki_udata)
159 	while ((ch = getopt(argc, argv, p)) != -1)  in main()
181 			xo_warnx("-%c no longer supported", ch);  in main()
187 	argc -= optind;  in main()
212 		if (utmp->ut_type != USER_PROCESS)  in main()
214 		if (!(stp = ttystat(utmp->ut_line)))  in main()
225 				if (!strcmp(utmp->ut_user, *user))  in main()
233 		nextp = &ep->next;  in main()
234 		memmove(&ep->utmp, utmp, sizeof *utmp);  in main()
235 		ep->tdev = stp->st_rdev;  in main()
240 		if (ep->tdev == 0) {  in main()
244 			(void)sysctlbyname("machdep.consdev", &ep->tdev, &size, NULL, 0);  in main()
246 		touched = stp->st_atime;  in main()
247 		if (touched < ep->utmp.ut_tv.tv_sec) {  in main()
249 			touched = ep->utmp.ut_tv.tv_sec;  in main()
251 		if ((ep->idle = now - touched) < 0)  in main()
252 			ep->idle = 0;  in main()
254 		save_p = p = *ep->utmp.ut_host ? ep->utmp.ut_host : "-";  in main()
265 		if (inet_pton(AF_INET6, p, &lsin6->sin6_addr) == 1) {  in main()
266 			lsin6->sin6_len = sizeof(*lsin6);  in main()
267 			lsin6->sin6_family = AF_INET6;  in main()
269 		} else if (inet_pton(AF_INET, p, &lsin->sin_addr) == 1) {  in main()
270 			lsin->sin_len = sizeof(*lsin);  in main()
271 			lsin->sin_family = AF_INET;  in main()
277 			    sa->sa_len) == HOSTNAME_FOUND)  in main()
289 				if (res->ai_next == NULL &&  in main()
290 				    getnameinfo(res->ai_addr, res->ai_addrlen,  in main()
302 		ep->from = strdup(p);  in main()
306 			ep->save_from = strdup(save_p);  in main()
325 	xo_open_container("uptime-information");  in main()
330 			xo_close_container("uptime-information");  in main()
337 		xo_emit("{T:/%-*.*s} {T:/%-*.*s} {T:/%-*.*s}  {T:/%s}",  in main()
347 		if (kp->ki_stat == SIDL || kp->ki_stat == SZOMB ||  in main()
348 		    kp->ki_tdev == NODEV)  in main()
350 		for (ep = ehead; ep != NULL; ep = ep->next) {  in main()
351 			if (ep->tdev == kp->ki_tdev) {  in main()
355 				if (ep->kp == NULL && kp->ki_pgid == kp->ki_tpgid) {  in main()
359 					if (proc_compare(ep->kp, kp))  in main()
360 						ep->kp = kp;  in main()
368 				dkp = ep->dkp;  in main()
369 				ep->dkp = kp;  in main()
374 	if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 &&  in main()
375 	     ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) == -1 &&  in main()
376 	     ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1) || ws.ws_col == 0)  in main()
379 	       ttywidth = ws.ws_col - 1;  in main()
380 	argwidth = ttywidth - WUSED;  in main()
386 	for (ep = ehead; ep != NULL; ep = ep->next) {  in main()
387 		if (ep->kp == NULL) {  in main()
388 			ep->args = strdup("-");  in main()
391 		ep->args = fmt_argv(kvm_getargv(kd, ep->kp, argwidth),  in main()
392 		    ep->kp->ki_comm, NULL, MAXCOMLEN);  in main()
393 		if (ep->args == NULL)  in main()
404 			    (*nextp) && from->idle >= (*nextp)->idle;  in main()
405 			    nextp = &(*nextp)->next)  in main()
408 			from = from->next;  in main()
409 			save->next = *nextp;  in main()
414 	xo_open_container("user-table");  in main()
415 	xo_open_list("user-entry");  in main()
417 	for (ep = ehead; ep != NULL; ep = ep->next) {  in main()
420 		xo_open_instance("user-entry");  in main()
423 			xo_open_container("process-table");  in main()
424 			xo_open_list("process-entry");  in main()
426 			for (dkp = ep->dkp; dkp != NULL; dkp = debugproc(dkp)) {  in main()
430 				    dkp->ki_comm, NULL, MAXCOMLEN);  in main()
432 					ptr = "-";  in main()
433 				xo_open_instance("process-entry");  in main()
434 				xo_emit("\t\t{:process-id/%-9d/%d} "  in main()
435 				    "{:command/%hs}\n", dkp->ki_pid, ptr);  in main()
436 				xo_close_instance("process-entry");  in main()
438 			xo_close_list("process-entry");  in main()
439 			xo_close_container("process-table");  in main()
441 		xo_emit("{:user/%-*.*s/%@**@s} {:tty/%-*.*s/%@**@s} ",  in main()
442 			W_DISPUSERSIZE, W_DISPUSERSIZE, ep->utmp.ut_user,  in main()
444 			*ep->utmp.ut_line ?  in main()
445 			(strncmp(ep->utmp.ut_line, "tty", 3) &&  in main()
446 			 strncmp(ep->utmp.ut_line, "cua", 3) ?  in main()
447 			 ep->utmp.ut_line : ep->utmp.ut_line + 3) : "-");  in main()
449 		if (ep->save_from)  in main()
450 		    xo_attr("address", "%s", ep->save_from);  in main()
451 		xo_emit("{:from/%-*.*s/%@**@s} ",  in main()
452 		    (int)fromwidth, (int)fromwidth, ep->from);  in main()
453 		t = ep->utmp.ut_tv.tv_sec;  in main()
455 		longidle = pr_idle(ep->idle);  in main()
456 		xo_emit("{:command/%.*hs/%@*@hs}\n",  in main()
457 		    (int)argwidth - longidle - longattime,  in main()
458 		    ep->args);  in main()
460 		xo_close_instance("user-entry");  in main()
463 	xo_close_list("user-entry");  in main()
464 	xo_close_container("user-table");  in main()
465 	xo_close_container("uptime-information");  in main()
490 			/* trim leading whitespace */  in pr_header()
494 		xo_emit("{:time-of-day/%s} ", s);  in pr_header()
500 	if (clock_gettime(CLOCK_UPTIME, &tp) != -1) {  in pr_header()
542 			e = s + sbuf_len(&upbuf) - 1;  in pr_header()
543 			/* trim leading whitespace */  in pr_header()
546 			/* trim trailing comma */  in pr_header()
550 		xo_emit("{:uptime-human/%s}", s);  in pr_header()
560 	if (getloadavg(avenrun, nitems(avenrun)) == -1)  in pr_header()
564 		    " {:load-average-1/%.2f}",  in pr_header()
565 		    " {:load-average-5/%.2f}",  in pr_header()
566 		    " {:load-average-15/%.2f}",  in pr_header()
594 		xo_error("usage: w [-dhin] [-M core] [-N system] [user ...]\n");  in usage()