w.c revision 1.55 1 1.55 christos /* $NetBSD: w.c,v 1.55 2003/02/26 15:01:09 christos Exp $ */
2 1.18 thorpej
3 1.1 cgd /*-
4 1.11 cgd * Copyright (c) 1980, 1991, 1993, 1994
5 1.11 cgd * The Regents of the University of California. All rights reserved.
6 1.1 cgd *
7 1.1 cgd * Redistribution and use in source and binary forms, with or without
8 1.1 cgd * modification, are permitted provided that the following conditions
9 1.1 cgd * are met:
10 1.1 cgd * 1. Redistributions of source code must retain the above copyright
11 1.1 cgd * notice, this list of conditions and the following disclaimer.
12 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 cgd * notice, this list of conditions and the following disclaimer in the
14 1.1 cgd * documentation and/or other materials provided with the distribution.
15 1.1 cgd * 3. All advertising materials mentioning features or use of this software
16 1.1 cgd * must display the following acknowledgement:
17 1.1 cgd * This product includes software developed by the University of
18 1.1 cgd * California, Berkeley and its contributors.
19 1.1 cgd * 4. Neither the name of the University nor the names of its contributors
20 1.1 cgd * may be used to endorse or promote products derived from this software
21 1.1 cgd * without specific prior written permission.
22 1.1 cgd *
23 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.1 cgd * SUCH DAMAGE.
34 1.1 cgd */
35 1.1 cgd
36 1.26 mrg #include <sys/cdefs.h>
37 1.1 cgd #ifndef lint
38 1.26 mrg __COPYRIGHT("@(#) Copyright (c) 1980, 1991, 1993, 1994\n\
39 1.26 mrg The Regents of the University of California. All rights reserved.\n");
40 1.1 cgd #endif /* not lint */
41 1.1 cgd
42 1.1 cgd #ifndef lint
43 1.18 thorpej #if 0
44 1.19 tls static char sccsid[] = "@(#)w.c 8.6 (Berkeley) 6/30/94";
45 1.18 thorpej #else
46 1.55 christos __RCSID("$NetBSD: w.c,v 1.55 2003/02/26 15:01:09 christos Exp $");
47 1.18 thorpej #endif
48 1.1 cgd #endif /* not lint */
49 1.1 cgd
50 1.1 cgd /*
51 1.1 cgd * w - print system status (who and what)
52 1.1 cgd *
53 1.1 cgd * This program is similar to the systat command on Tenex/Tops 10/20
54 1.1 cgd *
55 1.1 cgd */
56 1.1 cgd #include <sys/param.h>
57 1.42 jdolecek #include <sys/types.h>
58 1.1 cgd #include <sys/time.h>
59 1.1 cgd #include <sys/stat.h>
60 1.11 cgd #include <sys/sysctl.h>
61 1.1 cgd #include <sys/proc.h>
62 1.1 cgd #include <sys/user.h>
63 1.1 cgd #include <sys/ioctl.h>
64 1.11 cgd #include <sys/socket.h>
65 1.11 cgd
66 1.11 cgd #include <netinet/in.h>
67 1.11 cgd #include <arpa/inet.h>
68 1.11 cgd
69 1.11 cgd #include <ctype.h>
70 1.11 cgd #include <err.h>
71 1.11 cgd #include <errno.h>
72 1.11 cgd #include <fcntl.h>
73 1.11 cgd #include <kvm.h>
74 1.20 explorer #include <limits.h>
75 1.11 cgd #include <netdb.h>
76 1.1 cgd #include <nlist.h>
77 1.1 cgd #include <paths.h>
78 1.11 cgd #include <stdio.h>
79 1.11 cgd #include <stdlib.h>
80 1.1 cgd #include <string.h>
81 1.28 kleink #include <time.h>
82 1.11 cgd #include <tzfile.h>
83 1.11 cgd #include <unistd.h>
84 1.48 christos #ifdef SUPPORT_UTMP
85 1.11 cgd #include <utmp.h>
86 1.48 christos #endif
87 1.48 christos #ifdef SUPPORT_UTMPX
88 1.48 christos #include <utmpx.h>
89 1.48 christos #endif
90 1.7 cgd #include <vis.h>
91 1.1 cgd
92 1.11 cgd #include "extern.h"
93 1.1 cgd
94 1.37 simonb #define max(a,b) (((a)>(b))?(a):(b))
95 1.37 simonb
96 1.11 cgd struct timeval boottime;
97 1.11 cgd struct winsize ws;
98 1.11 cgd kvm_t *kd;
99 1.11 cgd time_t now; /* the current time of day */
100 1.11 cgd time_t uptime; /* time of last reboot & elapsed time since */
101 1.11 cgd int ttywidth; /* width of tty */
102 1.39 enami int argwidth; /* width of tty left to print process args */
103 1.11 cgd int header = 1; /* true if -h flag: don't print heading */
104 1.11 cgd int nflag; /* true if -n flag: don't convert addrs */
105 1.11 cgd int sortidle; /* sort bu idle time */
106 1.11 cgd char *sel_user; /* login of particular user selected */
107 1.29 mrg char domain[MAXHOSTNAMELEN + 1];
108 1.48 christos int maxname = 8, maxline = 3, maxhost = 16;
109 1.1 cgd
110 1.1 cgd /*
111 1.11 cgd * One of these per active utmp entry.
112 1.1 cgd */
113 1.1 cgd struct entry {
114 1.1 cgd struct entry *next;
115 1.48 christos char name[65];
116 1.48 christos char line[65];
117 1.48 christos char host[257];
118 1.48 christos struct timeval tv;
119 1.35 simonb dev_t tdev; /* dev_t of terminal */
120 1.35 simonb time_t idle; /* idle time of terminal in seconds */
121 1.35 simonb struct kinfo_proc2 *kp; /* `most interesting' proc */
122 1.55 christos pid_t pid; /* pid or ~0 if not known */
123 1.1 cgd } *ep, *ehead = NULL, **nextp = &ehead;
124 1.1 cgd
125 1.45 mjl static void pr_args(struct kinfo_proc2 *);
126 1.45 mjl static void pr_header(time_t *, int);
127 1.48 christos #if defined(SUPPORT_UTMP) || defined(SUPPORT_UTMPX)
128 1.48 christos static struct stat *ttystat(char *);
129 1.48 christos static void process(struct entry *);
130 1.48 christos #endif
131 1.45 mjl static void usage(int);
132 1.45 mjl int main(int, char **);
133 1.1 cgd
134 1.11 cgd int
135 1.45 mjl main(int argc, char **argv)
136 1.1 cgd {
137 1.35 simonb struct kinfo_proc2 *kp;
138 1.11 cgd struct hostent *hp;
139 1.24 mycroft struct in_addr l;
140 1.48 christos int ch, i, nentries, nusers, wcmd;
141 1.15 mycroft char *memf, *nlistf, *p, *x;
142 1.48 christos time_t then;
143 1.48 christos #ifdef SUPPORT_UTMP
144 1.48 christos struct utmp *ut;
145 1.48 christos #endif
146 1.48 christos #ifdef SUPPORT_UTMPX
147 1.48 christos struct utmpx *utx;
148 1.48 christos #endif
149 1.46 cgd const char *progname;
150 1.20 explorer char buf[MAXHOSTNAMELEN], errbuf[_POSIX2_LINE_MAX];
151 1.11 cgd
152 1.11 cgd /* Are we w(1) or uptime(1)? */
153 1.46 cgd progname = getprogname();
154 1.46 cgd if (*progname == '-')
155 1.46 cgd progname++;
156 1.46 cgd if (*progname == 'u') {
157 1.1 cgd wcmd = 0;
158 1.11 cgd p = "";
159 1.11 cgd } else {
160 1.11 cgd wcmd = 1;
161 1.11 cgd p = "hiflM:N:nsuw";
162 1.11 cgd }
163 1.1 cgd
164 1.11 cgd memf = nlistf = NULL;
165 1.27 lukem while ((ch = getopt(argc, argv, p)) != -1)
166 1.11 cgd switch (ch) {
167 1.1 cgd case 'h':
168 1.1 cgd header = 0;
169 1.1 cgd break;
170 1.1 cgd case 'i':
171 1.11 cgd sortidle = 1;
172 1.11 cgd break;
173 1.11 cgd case 'M':
174 1.11 cgd header = 0;
175 1.11 cgd memf = optarg;
176 1.11 cgd break;
177 1.11 cgd case 'N':
178 1.11 cgd nlistf = optarg;
179 1.11 cgd break;
180 1.11 cgd case 'n':
181 1.11 cgd nflag = 1;
182 1.1 cgd break;
183 1.1 cgd case 'f': case 'l': case 's': case 'u': case 'w':
184 1.11 cgd warnx("[-flsuw] no longer supported");
185 1.11 cgd /* FALLTHROUGH */
186 1.1 cgd case '?':
187 1.1 cgd default:
188 1.11 cgd usage(wcmd);
189 1.1 cgd }
190 1.1 cgd argc -= optind;
191 1.1 cgd argv += optind;
192 1.18 thorpej
193 1.35 simonb if ((kd = kvm_openfiles(nlistf, memf, NULL,
194 1.35 simonb memf == NULL ? KVM_NO_FILES : O_RDONLY, errbuf)) == NULL)
195 1.11 cgd errx(1, "%s", errbuf);
196 1.30 mrg
197 1.11 cgd (void)time(&now);
198 1.51 mycroft
199 1.51 mycroft #ifdef SUPPORT_UTMPX
200 1.51 mycroft setutxent();
201 1.48 christos #endif
202 1.48 christos #ifdef SUPPORT_UTMP
203 1.51 mycroft setutent();
204 1.48 christos #endif
205 1.11 cgd
206 1.1 cgd if (*argv)
207 1.1 cgd sel_user = *argv;
208 1.1 cgd
209 1.48 christos nusers = 0;
210 1.48 christos #ifdef SUPPORT_UTMPX
211 1.48 christos while ((utx = getutxent()) != NULL) {
212 1.48 christos if (utx->ut_type != USER_PROCESS)
213 1.1 cgd continue;
214 1.11 cgd ++nusers;
215 1.52 christos if (sel_user &&
216 1.52 christos strncmp(utx->ut_name, sel_user, sizeof(utx->ut_name) != 0))
217 1.1 cgd continue;
218 1.11 cgd if ((ep = calloc(1, sizeof(struct entry))) == NULL)
219 1.33 drochner err(1, NULL);
220 1.48 christos (void)memcpy(ep->name, utx->ut_name, sizeof(utx->ut_name));
221 1.48 christos (void)memcpy(ep->line, utx->ut_line, sizeof(utx->ut_line));
222 1.48 christos ep->name[sizeof(utx->ut_name)] = '\0';
223 1.48 christos ep->line[sizeof(utx->ut_line)] = '\0';
224 1.53 enami if (!nflag || getnameinfo((struct sockaddr *)&utx->ut_ss,
225 1.53 enami utx->ut_ss.ss_len, ep->host, sizeof(ep->host), NULL, 0,
226 1.53 enami NI_NUMERICHOST) != 0) {
227 1.53 enami (void)memcpy(ep->host, utx->ut_host,
228 1.53 enami sizeof(utx->ut_host));
229 1.53 enami ep->host[sizeof(utx->ut_host)] = '\0';
230 1.53 enami }
231 1.48 christos ep->tv = utx->ut_tv;
232 1.55 christos ep->pid = utx->ut_pid;
233 1.1 cgd *nextp = ep;
234 1.1 cgd nextp = &(ep->next);
235 1.52 christos if (wcmd != 0)
236 1.52 christos process(ep);
237 1.48 christos }
238 1.48 christos #endif
239 1.48 christos
240 1.48 christos #ifdef SUPPORT_UTMP
241 1.48 christos while ((ut = getutent()) != NULL) {
242 1.49 christos if (ut->ut_name[0] == '\0')
243 1.49 christos continue;
244 1.52 christos
245 1.52 christos if (sel_user &&
246 1.52 christos strncmp(ut->ut_name, sel_user, sizeof(ut->ut_name) != 0))
247 1.13 cgd continue;
248 1.48 christos
249 1.48 christos /* Don't process entries that we have utmpx for */
250 1.48 christos for (ep = ehead; ep != NULL; ep = ep->next) {
251 1.48 christos if (strncmp(ep->line, ut->ut_line,
252 1.48 christos sizeof(ut->ut_line)) == 0)
253 1.48 christos break;
254 1.42 jdolecek }
255 1.48 christos if (ep != NULL)
256 1.48 christos continue;
257 1.44 mjl
258 1.50 christos ++nusers;
259 1.48 christos if ((ep = calloc(1, sizeof(struct entry))) == NULL)
260 1.48 christos err(1, NULL);
261 1.48 christos (void)memcpy(ep->name, ut->ut_name, sizeof(ut->ut_name));
262 1.48 christos (void)memcpy(ep->line, ut->ut_line, sizeof(ut->ut_line));
263 1.48 christos (void)memcpy(ep->host, ut->ut_host, sizeof(ut->ut_host));
264 1.48 christos ep->name[sizeof(ut->ut_name)] = '\0';
265 1.48 christos ep->line[sizeof(ut->ut_line)] = '\0';
266 1.48 christos ep->host[sizeof(ut->ut_host)] = '\0';
267 1.48 christos ep->tv.tv_sec = ut->ut_time;
268 1.48 christos *nextp = ep;
269 1.48 christos nextp = &(ep->next);
270 1.52 christos if (wcmd != 0)
271 1.52 christos process(ep);
272 1.1 cgd }
273 1.48 christos #endif
274 1.48 christos
275 1.48 christos #ifdef SUPPORT_UTMPX
276 1.51 mycroft endutxent();
277 1.48 christos #endif
278 1.48 christos #ifdef SUPPORT_UTMP
279 1.51 mycroft endutent();
280 1.48 christos #endif
281 1.1 cgd
282 1.1 cgd if (header || wcmd == 0) {
283 1.11 cgd pr_header(&now, nusers);
284 1.11 cgd if (wcmd == 0)
285 1.11 cgd exit (0);
286 1.11 cgd }
287 1.1 cgd
288 1.36 enami if ((kp = kvm_getproc2(kd, KERN_PROC_ALL, 0,
289 1.36 enami sizeof(struct kinfo_proc2), &nentries)) == NULL)
290 1.17 jtc errx(1, "%s", kvm_geterr(kd));
291 1.40 simonb
292 1.40 simonb /* Include trailing space because TTY header starts one column early. */
293 1.11 cgd for (i = 0; i < nentries; i++, kp++) {
294 1.1 cgd
295 1.35 simonb if (kp->p_stat == SIDL || kp->p_stat == SZOMB)
296 1.1 cgd continue;
297 1.42 jdolecek
298 1.1 cgd for (ep = ehead; ep != NULL; ep = ep->next) {
299 1.55 christos if (ep->tdev != 0) {
300 1.55 christos if (ep->tdev == kp->p_tdev &&
301 1.55 christos kp->p__pgid == kp->p_tpgid) {
302 1.55 christos /*
303 1.55 christos * Proc is in foreground of this
304 1.55 christos * terminal
305 1.55 christos */
306 1.55 christos if (proc_compare(ep->kp, kp)) {
307 1.55 christos ep->kp = kp;
308 1.55 christos }
309 1.55 christos break;
310 1.37 simonb }
311 1.55 christos } else if (ep->pid != 0 && ep->pid == kp->p_pid) {
312 1.55 christos ep->kp = kp;
313 1.1 cgd break;
314 1.1 cgd }
315 1.1 cgd }
316 1.1 cgd }
317 1.37 simonb
318 1.40 simonb argwidth = printf("%-*sTTY %-*s %*s IDLE WHAT\n",
319 1.48 christos maxname, "USER", maxhost, "FROM",
320 1.37 simonb 7 /* "dddhhXm" */, "LOGIN@");
321 1.39 enami argwidth -= sizeof("WHAT\n") - 1 /* NUL */;
322 1.37 simonb
323 1.11 cgd if ((ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 &&
324 1.54 enami ioctl(STDERR_FILENO, TIOCGWINSZ, &ws) == -1 &&
325 1.54 enami ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1) || ws.ws_col == 0)
326 1.47 enami ttywidth = 79;
327 1.47 enami else
328 1.47 enami ttywidth = ws.ws_col - 1;
329 1.37 simonb argwidth = ttywidth - argwidth;
330 1.1 cgd if (argwidth < 4)
331 1.1 cgd argwidth = 8;
332 1.1 cgd /* sort by idle time */
333 1.1 cgd if (sortidle && ehead != NULL) {
334 1.1 cgd struct entry *from = ehead, *save;
335 1.54 enami
336 1.1 cgd ehead = NULL;
337 1.1 cgd while (from != NULL) {
338 1.11 cgd for (nextp = &ehead;
339 1.1 cgd (*nextp) && from->idle >= (*nextp)->idle;
340 1.1 cgd nextp = &(*nextp)->next)
341 1.11 cgd continue;
342 1.1 cgd save = from;
343 1.1 cgd from = from->next;
344 1.1 cgd save->next = *nextp;
345 1.1 cgd *nextp = save;
346 1.1 cgd }
347 1.1 cgd }
348 1.48 christos #if defined(SUPPORT_UTMP) && defined(SUPPORT_UTMPX)
349 1.48 christos else if (ehead != NULL) {
350 1.48 christos struct entry *from = ehead, *save;
351 1.54 enami
352 1.48 christos ehead = NULL;
353 1.48 christos while (from != NULL) {
354 1.48 christos for (nextp = &ehead;
355 1.48 christos (*nextp) && strcmp(from->line, (*nextp)->line) > 0;
356 1.48 christos nextp = &(*nextp)->next)
357 1.48 christos continue;
358 1.48 christos save = from;
359 1.48 christos from = from->next;
360 1.48 christos save->next = *nextp;
361 1.48 christos *nextp = save;
362 1.48 christos }
363 1.48 christos }
364 1.48 christos #endif
365 1.54 enami
366 1.29 mrg if (!nflag) {
367 1.29 mrg int rv;
368 1.29 mrg
369 1.29 mrg rv = gethostname(domain, sizeof(domain));
370 1.29 mrg domain[sizeof(domain) - 1] = '\0';
371 1.29 mrg if (rv < 0 || (p = strchr(domain, '.')) == 0)
372 1.11 cgd domain[0] = '\0';
373 1.29 mrg else
374 1.11 cgd memmove(domain, p, strlen(p) + 1);
375 1.29 mrg }
376 1.11 cgd
377 1.1 cgd for (ep = ehead; ep != NULL; ep = ep->next) {
378 1.48 christos char host_buf[MAXHOSTNAMELEN + 1];
379 1.44 mjl
380 1.48 christos host_buf[MAXHOSTNAMELEN] = '\0';
381 1.48 christos strncpy(host_buf, ep->host, MAXHOSTNAMELEN);
382 1.44 mjl p = *host_buf ? host_buf : "-";
383 1.44 mjl
384 1.48 christos for (x = p; x < p + MAXHOSTNAMELEN; x++)
385 1.22 christos if (*x == '\0' || *x == ':')
386 1.21 christos break;
387 1.48 christos if (x == p + MAXHOSTNAMELEN || *x != ':')
388 1.21 christos x = NULL;
389 1.22 christos else
390 1.22 christos *x++ = '\0';
391 1.22 christos
392 1.24 mycroft if (!nflag && inet_aton(p, &l) &&
393 1.11 cgd (hp = gethostbyaddr((char *)&l, sizeof(l), AF_INET))) {
394 1.11 cgd if (domain[0] != '\0') {
395 1.11 cgd p = hp->h_name;
396 1.11 cgd p += strlen(hp->h_name);
397 1.11 cgd p -= strlen(domain);
398 1.47 enami if (p > hp->h_name &&
399 1.47 enami strcasecmp(p, domain) == 0)
400 1.11 cgd *p = '\0';
401 1.11 cgd }
402 1.11 cgd p = hp->h_name;
403 1.11 cgd }
404 1.11 cgd if (x) {
405 1.44 mjl (void)snprintf(buf, sizeof(buf), "%s:%s", p, x);
406 1.11 cgd p = buf;
407 1.41 christos }
408 1.41 christos if (ep->kp == NULL) {
409 1.48 christos warnx("Stale utmp entry: %s %s %s",
410 1.48 christos ep->name, ep->line, ep->host);
411 1.47 enami continue;
412 1.11 cgd }
413 1.40 simonb (void)printf("%-*s %-2.2s %-*.*s ",
414 1.48 christos maxname, ep->kp->p_login,
415 1.48 christos (strncmp(ep->line, "tty", 3) &&
416 1.48 christos strncmp(ep->line, "dty", 3)) ?
417 1.48 christos ep->line : ep->line + 3,
418 1.48 christos maxhost, maxhost, *p ? p : "-");
419 1.48 christos then = (time_t)ep->tv.tv_sec;
420 1.48 christos pr_attime(&then, &now);
421 1.11 cgd pr_idle(ep->idle);
422 1.15 mycroft pr_args(ep->kp);
423 1.37 simonb (void)printf("\n");
424 1.15 mycroft }
425 1.15 mycroft exit(0);
426 1.15 mycroft }
427 1.15 mycroft
428 1.15 mycroft static void
429 1.45 mjl pr_args(struct kinfo_proc2 *kp)
430 1.15 mycroft {
431 1.15 mycroft char **argv;
432 1.15 mycroft int left;
433 1.15 mycroft
434 1.16 mycroft if (kp == 0)
435 1.16 mycroft goto nothing;
436 1.15 mycroft left = argwidth;
437 1.35 simonb argv = kvm_getargv2(kd, kp, argwidth);
438 1.16 mycroft if (argv == 0)
439 1.16 mycroft goto nothing;
440 1.16 mycroft while (*argv) {
441 1.16 mycroft fmt_puts(*argv, &left);
442 1.16 mycroft argv++;
443 1.16 mycroft fmt_putc(' ', &left);
444 1.1 cgd }
445 1.16 mycroft return;
446 1.16 mycroft nothing:
447 1.16 mycroft putchar('-');
448 1.1 cgd }
449 1.1 cgd
450 1.11 cgd static void
451 1.45 mjl pr_header(time_t *nowp, int nusers)
452 1.1 cgd {
453 1.11 cgd double avenrun[3];
454 1.11 cgd time_t uptime;
455 1.11 cgd int days, hrs, i, mins;
456 1.11 cgd int mib[2];
457 1.11 cgd size_t size;
458 1.11 cgd char buf[256];
459 1.1 cgd
460 1.11 cgd /*
461 1.11 cgd * Print time of day.
462 1.11 cgd *
463 1.11 cgd * SCCS forces the string manipulation below, as it replaces
464 1.11 cgd * %, M, and % in a character string with the file name.
465 1.11 cgd */
466 1.43 cgd (void)strftime(buf, sizeof(buf), "%l:%" "M%p", localtime(nowp));
467 1.23 mrg buf[sizeof(buf) - 1] = '\0';
468 1.11 cgd (void)printf("%s ", buf);
469 1.1 cgd
470 1.11 cgd /*
471 1.11 cgd * Print how long system has been up.
472 1.11 cgd * (Found by looking getting "boottime" from the kernel)
473 1.11 cgd */
474 1.11 cgd mib[0] = CTL_KERN;
475 1.11 cgd mib[1] = KERN_BOOTTIME;
476 1.11 cgd size = sizeof(boottime);
477 1.11 cgd if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 &&
478 1.11 cgd boottime.tv_sec != 0) {
479 1.11 cgd uptime = now - boottime.tv_sec;
480 1.11 cgd uptime += 30;
481 1.25 phil if (uptime > SECSPERMIN) {
482 1.25 phil days = uptime / SECSPERDAY;
483 1.25 phil uptime %= SECSPERDAY;
484 1.25 phil hrs = uptime / SECSPERHOUR;
485 1.25 phil uptime %= SECSPERHOUR;
486 1.25 phil mins = uptime / SECSPERMIN;
487 1.25 phil (void)printf(" up");
488 1.25 phil if (days > 0)
489 1.25 phil (void)printf(" %d day%s,", days,
490 1.25 phil days > 1 ? "s" : "");
491 1.25 phil if (hrs > 0 && mins > 0)
492 1.25 phil (void)printf(" %2d:%02d,", hrs, mins);
493 1.25 phil else {
494 1.25 phil if (hrs > 0)
495 1.25 phil (void)printf(" %d hr%s,",
496 1.25 phil hrs, hrs > 1 ? "s" : "");
497 1.25 phil if (mins > 0)
498 1.25 phil (void)printf(" %d min%s,",
499 1.25 phil mins, mins > 1 ? "s" : "");
500 1.25 phil }
501 1.11 cgd }
502 1.11 cgd }
503 1.11 cgd
504 1.11 cgd /* Print number of users logged in to system */
505 1.14 cgd (void)printf(" %d user%s", nusers, nusers != 1 ? "s" : "");
506 1.11 cgd
507 1.11 cgd /*
508 1.11 cgd * Print 1, 5, and 15 minute load averages.
509 1.11 cgd */
510 1.11 cgd if (getloadavg(avenrun, sizeof(avenrun) / sizeof(avenrun[0])) == -1)
511 1.11 cgd (void)printf(", no load average information available\n");
512 1.11 cgd else {
513 1.11 cgd (void)printf(", load averages:");
514 1.11 cgd for (i = 0; i < (sizeof(avenrun) / sizeof(avenrun[0])); i++) {
515 1.11 cgd if (i > 0)
516 1.11 cgd (void)printf(",");
517 1.11 cgd (void)printf(" %.2f", avenrun[i]);
518 1.11 cgd }
519 1.11 cgd (void)printf("\n");
520 1.11 cgd }
521 1.1 cgd }
522 1.1 cgd
523 1.48 christos #if defined(SUPPORT_UTMP) || defined(SUPPORT_UTMPX)
524 1.11 cgd static struct stat *
525 1.48 christos ttystat(char *line)
526 1.1 cgd {
527 1.11 cgd static struct stat sb;
528 1.11 cgd char ttybuf[MAXPATHLEN];
529 1.1 cgd
530 1.48 christos (void)snprintf(ttybuf, sizeof(ttybuf), "%s%s", _PATH_DEV, line);
531 1.11 cgd if (stat(ttybuf, &sb))
532 1.13 cgd return (NULL);
533 1.11 cgd return (&sb);
534 1.1 cgd }
535 1.48 christos
536 1.48 christos static void
537 1.48 christos process(struct entry *ep)
538 1.48 christos {
539 1.48 christos struct stat *stp;
540 1.48 christos time_t touched;
541 1.48 christos int max;
542 1.48 christos
543 1.48 christos if ((max = strlen(ep->name)) > maxname)
544 1.48 christos maxname = max;
545 1.48 christos if ((max = strlen(ep->line)) > maxline)
546 1.48 christos maxline = max;
547 1.48 christos if ((max = strlen(ep->host)) > maxhost)
548 1.48 christos maxhost = max;
549 1.48 christos
550 1.48 christos
551 1.55 christos #ifdef SUPPORT_UTMP
552 1.48 christos /*
553 1.48 christos * Hack to recognize and correctly parse
554 1.48 christos * ut entry made by ftpd. The "tty" used
555 1.48 christos * by ftpd is not a real tty, just identifier in
556 1.48 christos * form ftpSUPPORT_ID. Pid parsed from the "tty name"
557 1.48 christos * is used later to match corresponding process.
558 1.55 christos * NB: This is only used for utmp entries. For utmpx,
559 1.55 christos * we already have the pid.
560 1.48 christos */
561 1.55 christos if (ep->pid == 0 && strncmp(ep->line, "ftp", 3) == 0) {
562 1.55 christos ep->pid = strtol(ep->line + 3, NULL, 10);
563 1.48 christos return;
564 1.48 christos }
565 1.55 christos #endif
566 1.55 christos if ((stp = ttystat(ep->line)) == NULL)
567 1.55 christos return;
568 1.48 christos
569 1.48 christos ep->tdev = stp->st_rdev;
570 1.48 christos /*
571 1.48 christos * If this is the console device, attempt to ascertain
572 1.48 christos * the true console device dev_t.
573 1.48 christos */
574 1.48 christos if (ep->tdev == 0) {
575 1.48 christos int mib[2];
576 1.48 christos size_t size;
577 1.48 christos
578 1.48 christos mib[0] = CTL_KERN;
579 1.48 christos mib[1] = KERN_CONSDEV;
580 1.48 christos size = sizeof(dev_t);
581 1.48 christos (void) sysctl(mib, 2, &ep->tdev, &size, NULL, 0);
582 1.48 christos }
583 1.48 christos
584 1.48 christos touched = stp->st_atime;
585 1.48 christos if (touched < ep->tv.tv_sec) {
586 1.48 christos /* tty untouched since before login */
587 1.48 christos touched = ep->tv.tv_sec;
588 1.48 christos }
589 1.48 christos if ((ep->idle = now - touched) < 0)
590 1.48 christos ep->idle = 0;
591 1.48 christos }
592 1.48 christos #endif
593 1.1 cgd
594 1.11 cgd static void
595 1.45 mjl usage(int wcmd)
596 1.1 cgd {
597 1.47 enami
598 1.11 cgd if (wcmd)
599 1.11 cgd (void)fprintf(stderr,
600 1.11 cgd "usage: w: [-hin] [-M core] [-N system] [user]\n");
601 1.11 cgd else
602 1.11 cgd (void)fprintf(stderr, "uptime\n");
603 1.29 mrg exit(1);
604 1.1 cgd }
605