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1.26 ! millert 1: /* $OpenBSD: last.c,v 1.25 2003/05/29 17:21:39 deraadt Exp $ */
1.1 deraadt 2: /* $NetBSD: last.c,v 1.6 1994/12/24 16:49:02 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1987, 1993, 1994
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.26 ! millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: #ifndef lint
34: static char copyright[] =
35: "@(#) Copyright (c) 1987, 1993, 1994\n\
36: The Regents of the University of California. All rights reserved.\n";
37: #endif /* not lint */
38:
39: #ifndef lint
40: #if 0
41: static char sccsid[] = "@(#)last.c 8.2 (Berkeley) 4/2/94";
42: #endif
1.26 ! millert 43: static char rcsid[] = "$OpenBSD: last.c,v 1.25 2003/05/29 17:21:39 deraadt Exp $";
1.1 deraadt 44: #endif /* not lint */
45:
46: #include <sys/param.h>
47: #include <sys/stat.h>
48:
49: #include <err.h>
50: #include <fcntl.h>
51: #include <paths.h>
52: #include <signal.h>
53: #include <stdio.h>
54: #include <stdlib.h>
55: #include <string.h>
56: #include <time.h>
57: #include <tzfile.h>
58: #include <unistd.h>
59: #include <utmp.h>
60:
61: #define NO 0 /* false/no */
62: #define YES 1 /* true/yes */
1.18 mickey 63: #define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2;
1.1 deraadt 64:
65: static struct utmp buf[1024]; /* utmp read buffer */
66:
67: typedef struct arg {
68: char *name; /* argument */
69: #define HOST_TYPE -2
70: #define TTY_TYPE -3
71: #define USER_TYPE -4
72: int type; /* type of arg */
73: struct arg *next; /* linked list pointer */
74: } ARG;
75: ARG *arglist; /* head of linked list */
76:
77: typedef struct ttytab {
78: time_t logout; /* log out time */
79: char tty[UT_LINESIZE + 1]; /* terminal name */
80: struct ttytab *next; /* linked list pointer */
81: } TTY;
82: TTY *ttylist; /* head of linked list */
83:
84: static time_t currentout; /* current logout value */
85: static long maxrec; /* records to display */
86: static char *file = _PATH_WTMP; /* wtmp file */
1.6 mickey 87: static int fulltime = 0; /* Display seconds? */
1.7 deraadt 88: static time_t snaptime; /* if != 0, we will only
89: * report users logged in
90: * at this snapshot time
1.4 jdm 91: */
1.9 downsj 92: static int calculate = 0;
93: static int seconds = 0;
1.1 deraadt 94:
1.19 millert 95: void addarg(int, char *);
96: TTY *addtty(char *);
97: void hostconv(char *);
98: void onintr(int);
99: char *ttyconv(char *);
100: time_t dateconv(char *);
101: int want(struct utmp *, int);
102: void wtmp(void);
103: void checkargs(void);
1.22 deraadt 104: void usage(void);
1.1 deraadt 105:
1.13 deraadt 106: #define NAME_WIDTH 8
1.14 fgsch 107: #define HOST_WIDTH 24
1.13 deraadt 108:
1.1 deraadt 109: int
110: main(argc, argv)
111: int argc;
112: char *argv[];
113: {
114: extern int optind;
115: extern char *optarg;
116: int ch;
117: char *p;
118:
119: maxrec = -1;
1.4 jdm 120: snaptime = 0;
1.9 downsj 121: while ((ch = getopt(argc, argv, "0123456789cf:h:st:d:T")) != -1)
1.1 deraadt 122: switch (ch) {
123: case '0': case '1': case '2': case '3': case '4':
124: case '5': case '6': case '7': case '8': case '9':
125: /*
126: * kludge: last was originally designed to take
127: * a number after a dash.
128: */
129: if (maxrec == -1) {
130: p = argv[optind - 1];
131: if (p[0] == '-' && p[1] == ch && !p[2])
132: maxrec = atol(++p);
133: else
134: maxrec = atol(argv[optind] + 1);
135: if (!maxrec)
136: exit(0);
137: }
138: break;
1.9 downsj 139: case 'c':
140: calculate++;
141: break;
1.1 deraadt 142: case 'f':
143: file = optarg;
144: break;
145: case 'h':
146: hostconv(optarg);
147: addarg(HOST_TYPE, optarg);
148: break;
1.9 downsj 149: case 's':
150: seconds++;
151: break;
1.1 deraadt 152: case 't':
153: addarg(TTY_TYPE, ttyconv(optarg));
154: break;
1.4 jdm 155: case 'd':
156: snaptime = dateconv(optarg);
157: break;
1.6 mickey 158: case 'T':
1.9 downsj 159: fulltime = 1;
1.6 mickey 160: break;
1.1 deraadt 161: case '?':
162: default:
1.22 deraadt 163: usage();
1.1 deraadt 164: }
165:
166: if (argc) {
167: setlinebuf(stdout);
168: for (argv += optind; *argv; ++argv) {
169: #define COMPATIBILITY
170: #ifdef COMPATIBILITY
171: /* code to allow "last p5" to work */
172: addarg(TTY_TYPE, ttyconv(*argv));
173: #endif
174: addarg(USER_TYPE, *argv);
175: }
176: }
1.18 mickey 177:
1.5 jdm 178: checkargs();
1.1 deraadt 179: wtmp();
180: exit(0);
181: }
182:
183: /*
1.5 jdm 184: * checkargs --
1.18 mickey 185: * if snaptime is set, print warning if usernames, or -t or -h
1.5 jdm 186: * flags are also provided
187: */
188:
189: void
190: checkargs()
191: {
1.18 mickey 192: ARG *step;
193: int ttyflag = 0;
1.5 jdm 194:
1.18 mickey 195: if (!snaptime)
1.5 jdm 196: return;
1.18 mickey 197:
1.5 jdm 198: if (!arglist)
199: return;
200:
201: for (step = arglist; step; step = step->next)
202: switch (step->type) {
203: case HOST_TYPE:
1.7 deraadt 204: (void)fprintf(stderr,
205: "Warning: Ignoring hostname flag\n");
1.5 jdm 206: break;
207: case TTY_TYPE:
1.18 mickey 208: if (!ttyflag) { /* don't print this twice */
1.7 deraadt 209: (void)fprintf(stderr,
210: "Warning: Ignoring tty flag\n");
1.5 jdm 211: ttyflag = 1;
212: }
213: break;
214: case USER_TYPE:
1.7 deraadt 215: (void)fprintf(stderr,
216: "Warning: Ignoring username[s]\n");
1.5 jdm 217: break;
218: default:
1.20 millert 219: break;
1.5 jdm 220: /* PRINT NOTHING */
221: }
1.18 mickey 222: }
1.5 jdm 223:
224:
225: /*
1.1 deraadt 226: * wtmp --
227: * read through the wtmp file
228: */
229: void
230: wtmp()
231: {
1.6 mickey 232: struct utmp *bp; /* current structure */
233: TTY *T; /* tty list entry */
234: struct stat stb; /* stat of file for size */
1.8 deraadt 235: time_t delta; /* time difference */
1.9 downsj 236: time_t total;
1.8 deraadt 237: off_t bl;
1.6 mickey 238: int timesize; /* how long time string gonna be */
1.1 deraadt 239: int bytes, wfd;
240: char *ct, *crmsg;
1.18 mickey 241: int snapfound = 0; /* found snapshot entry? */
1.1 deraadt 242: if ((wfd = open(file, O_RDONLY, 0)) < 0 || fstat(wfd, &stb) == -1)
243: err(1, "%s", file);
244: bl = (stb.st_size + sizeof(buf) - 1) / sizeof(buf);
245:
1.6 mickey 246: if (fulltime)
247: timesize = 8; /* HH:MM:SS */
248: else
249: timesize = 5; /* HH:MM */
250:
1.1 deraadt 251: (void)time(&buf[0].ut_time);
252: (void)signal(SIGINT, onintr);
253: (void)signal(SIGQUIT, onintr);
254:
255: while (--bl >= 0) {
1.11 millert 256: if (lseek(wfd, bl * sizeof(buf), SEEK_SET) == -1 ||
1.1 deraadt 257: (bytes = read(wfd, buf, sizeof(buf))) == -1)
258: err(1, "%s", file);
259: for (bp = &buf[bytes / sizeof(buf[0]) - 1]; bp >= buf; --bp) {
260: /*
261: * if the terminal line is '~', the machine stopped.
262: * see utmp(5) for more info.
263: */
264: if (bp->ut_line[0] == '~' && !bp->ut_line[1]) {
265: /* everybody just logged out */
266: for (T = ttylist; T; T = T->next)
267: T->logout = -bp->ut_time;
268: currentout = -bp->ut_time;
269: crmsg = strncmp(bp->ut_name, "shutdown",
270: UT_NAMESIZE) ? "crash" : "shutdown";
1.18 mickey 271: /*
272: * if we're in snapshot mode, we want to
1.4 jdm 273: * exit if this shutdown/reboot appears
274: * while we we are tracking the active
275: * range
276: */
277: if (snaptime && snapfound)
278: return;
1.18 mickey 279: /*
1.4 jdm 280: * don't print shutdown/reboot entries
1.18 mickey 281: * unless flagged for
282: */
1.5 jdm 283: if (want(bp, NO)) {
1.9 downsj 284: if (seconds) {
1.15 deraadt 285: printf("%-*.*s %-*.*s %-*.*s %ld \n",
286: NAME_WIDTH, UT_NAMESIZE,
287: bp->ut_name, UT_LINESIZE,
288: UT_LINESIZE, bp->ut_line,
289: HOST_WIDTH, UT_HOSTSIZE,
1.16 pvalchev 290: bp->ut_host, (long)bp->ut_time);
1.9 downsj 291: } else {
292: ct = ctime(&bp->ut_time);
1.15 deraadt 293: printf("%-*.*s %-*.*s %-*.*s %10.10s %*.*s \n",
294: NAME_WIDTH, UT_NAMESIZE,
295: bp->ut_name, UT_LINESIZE,
296: UT_LINESIZE, bp->ut_line,
297: HOST_WIDTH, UT_HOSTSIZE,
298: bp->ut_host, ct, timesize,
299: timesize, ct + 11);
1.9 downsj 300: }
1.1 deraadt 301: if (maxrec != -1 && !--maxrec)
302: return;
303: }
304: continue;
305: }
306: /*
307: * if the line is '{' or '|', date got set; see
308: * utmp(5) for more info.
309: */
310: if ((bp->ut_line[0] == '{' || bp->ut_line[0] == '|')
311: && !bp->ut_line[1]) {
1.5 jdm 312: if (want(bp, NO)) {
1.9 downsj 313: if (seconds) {
314: printf("%-*.*s %-*.*s %-*.*s %ld \n",
1.13 deraadt 315: NAME_WIDTH, UT_NAMESIZE, bp->ut_name,
1.9 downsj 316: UT_LINESIZE, UT_LINESIZE, bp->ut_line,
1.13 deraadt 317: HOST_WIDTH, UT_HOSTSIZE, bp->ut_host,
1.16 pvalchev 318: (long)bp->ut_time);
1.18 mickey 319: } else {
1.9 downsj 320: ct = ctime(&bp->ut_time);
1.6 mickey 321: printf("%-*.*s %-*.*s %-*.*s %10.10s %*.*s \n",
1.13 deraadt 322: NAME_WIDTH, UT_NAMESIZE, bp->ut_name,
1.9 downsj 323: UT_LINESIZE, UT_LINESIZE, bp->ut_line,
1.13 deraadt 324: HOST_WIDTH, UT_HOSTSIZE, bp->ut_host,
1.9 downsj 325: ct, timesize, timesize, ct + 11);
1.18 mickey 326: }
1.1 deraadt 327: if (maxrec && !--maxrec)
328: return;
329: }
330: continue;
331: }
332: /* find associated tty */
333: for (T = ttylist;; T = T->next) {
334: if (!T) {
335: /* add new one */
336: T = addtty(bp->ut_line);
337: break;
338: }
339: if (!strncmp(T->tty, bp->ut_line, UT_LINESIZE))
340: break;
341: }
1.18 mickey 342: /*
1.4 jdm 343: * print record if not in snapshot mode and wanted
344: * or in snapshot mode and in snapshot range
345: */
346: if (bp->ut_name[0] &&
1.5 jdm 347: ((want(bp, YES)) ||
1.18 mickey 348: (bp->ut_time < snaptime &&
1.4 jdm 349: (T->logout > snaptime || !T->logout ||
350: T->logout < 0)))) {
351: snapfound = 1;
1.9 downsj 352: if (seconds) {
353: printf("%-*.*s %-*.*s %-*.*s %ld ",
1.13 deraadt 354: NAME_WIDTH, UT_NAMESIZE, bp->ut_name,
1.9 downsj 355: UT_LINESIZE, UT_LINESIZE, bp->ut_line,
1.13 deraadt 356: HOST_WIDTH, UT_HOSTSIZE, bp->ut_host,
1.16 pvalchev 357: (long)bp->ut_time);
1.9 downsj 358: } else {
359: ct = ctime(&bp->ut_time);
1.6 mickey 360: printf("%-*.*s %-*.*s %-*.*s %10.10s %*.*s ",
1.13 deraadt 361: NAME_WIDTH, UT_NAMESIZE, bp->ut_name,
1.6 mickey 362: UT_LINESIZE, UT_LINESIZE, bp->ut_line,
1.13 deraadt 363: HOST_WIDTH, UT_HOSTSIZE, bp->ut_host,
1.6 mickey 364: ct, timesize, timesize, ct + 11);
1.9 downsj 365: }
1.1 deraadt 366: if (!T->logout)
367: puts(" still logged in");
368: else {
369: if (T->logout < 0) {
370: T->logout = -T->logout;
371: printf("- %s", crmsg);
1.9 downsj 372: } else {
1.18 mickey 373: if (seconds)
1.9 downsj 374: printf("- %ld",
1.16 pvalchev 375: (long)T->logout);
1.9 downsj 376: else
377: printf("- %*.*s",
378: timesize, timesize,
379: ctime(&T->logout)+11);
1.1 deraadt 380: }
381: delta = T->logout - bp->ut_time;
1.9 downsj 382: if (seconds)
1.16 pvalchev 383: printf(" (%ld)\n", (long)delta);
1.9 downsj 384: else {
385: if (delta < SECSPERDAY)
386: printf(" (%*.*s)\n",
387: timesize, timesize,
388: asctime(gmtime(&delta))+11);
389: else
390: printf(" (%ld+%*.*s)\n",
391: delta / SECSPERDAY,
392: timesize, timesize,
393: asctime(gmtime(&delta))+11);
394: }
395: if (calculate)
396: total += delta;
1.1 deraadt 397: }
398: if (maxrec != -1 && !--maxrec)
399: return;
400: }
401: T->logout = bp->ut_time;
402: }
1.9 downsj 403: }
404: if (calculate) {
405: if ((total / SECSPERDAY) > 0) {
406: int days = (total / SECSPERDAY);
407: total -= (days * SECSPERDAY);
408:
409: printf("\nTotal time: %d days, %*.*s\n",
410: days, timesize, timesize,
411: asctime(gmtime(&total))+11);
412: } else
413: printf("\nTotal time: %*.*s\n",
414: timesize, timesize,
415: asctime(gmtime(&total))+11);
1.1 deraadt 416: }
417: ct = ctime(&buf[0].ut_time);
1.10 deraadt 418: printf("\nwtmp begins %10.10s %*.*s %4.4s\n", ct, timesize, timesize,
419: ct + 11, ct + 20);
1.1 deraadt 420: }
421:
422: /*
423: * want --
424: * see if want this entry
425: */
426: int
427: want(bp, check)
428: struct utmp *bp;
429: int check;
430: {
431: ARG *step;
432:
1.15 deraadt 433: if (check) {
1.1 deraadt 434: /*
435: * when uucp and ftp log in over a network, the entry in
436: * the utmp file is the name plus their process id. See
437: * etc/ftpd.c and usr.bin/uucp/uucpd.c for more information.
438: */
439: if (!strncmp(bp->ut_line, "ftp", sizeof("ftp") - 1))
440: bp->ut_line[3] = '\0';
441: else if (!strncmp(bp->ut_line, "uucp", sizeof("uucp") - 1))
442: bp->ut_line[4] = '\0';
1.15 deraadt 443: }
1.5 jdm 444:
1.18 mickey 445: if (snaptime) /* if snaptime is set, return NO */
1.5 jdm 446: return (NO);
447:
1.1 deraadt 448: if (!arglist)
449: return (YES);
450:
451: for (step = arglist; step; step = step->next)
452: switch(step->type) {
453: case HOST_TYPE:
454: if (!strncasecmp(step->name, bp->ut_host, UT_HOSTSIZE))
455: return (YES);
456: break;
457: case TTY_TYPE:
458: if (!strncmp(step->name, bp->ut_line, UT_LINESIZE))
459: return (YES);
460: break;
461: case USER_TYPE:
462: if (!strncmp(step->name, bp->ut_name, UT_NAMESIZE))
463: return (YES);
464: break;
1.5 jdm 465: }
466:
1.1 deraadt 467: return (NO);
468: }
469:
470: /*
471: * addarg --
472: * add an entry to a linked list of arguments
473: */
474: void
475: addarg(type, arg)
476: int type;
477: char *arg;
478: {
479: ARG *cur;
480:
481: if (!(cur = (ARG *)malloc((u_int)sizeof(ARG))))
482: err(1, "malloc failure");
483: cur->next = arglist;
484: cur->type = type;
485: cur->name = arg;
486: arglist = cur;
487: }
488:
489: /*
490: * addtty --
491: * add an entry to a linked list of ttys
492: */
493: TTY *
494: addtty(ttyname)
495: char *ttyname;
496: {
497: TTY *cur;
498:
499: if (!(cur = (TTY *)malloc((u_int)sizeof(TTY))))
500: err(1, "malloc failure");
501: cur->next = ttylist;
502: cur->logout = currentout;
503: memmove(cur->tty, ttyname, UT_LINESIZE);
504: return (ttylist = cur);
505: }
506:
507: /*
508: * hostconv --
509: * convert the hostname to search pattern; if the supplied host name
510: * has a domain attached that is the same as the current domain, rip
511: * off the domain suffix since that's what login(1) does.
512: */
513: void
514: hostconv(arg)
515: char *arg;
516: {
517: static int first = 1;
518: static char *hostdot, name[MAXHOSTNAMELEN];
519: char *argdot;
520:
521: if (!(argdot = strchr(arg, '.')))
522: return;
523: if (first) {
524: first = 0;
525: if (gethostname(name, sizeof(name)))
526: err(1, "gethostname");
527: hostdot = strchr(name, '.');
528: }
529: if (hostdot && !strcasecmp(hostdot, argdot))
530: *argdot = '\0';
531: }
532:
533: /*
534: * ttyconv --
535: * convert tty to correct name.
536: */
537: char *
538: ttyconv(arg)
539: char *arg;
540: {
541: char *mval;
1.21 deraadt 542: size_t len = 8;
1.1 deraadt 543:
544: /*
545: * kludge -- we assume that all tty's end with
546: * a two character suffix.
547: */
548: if (strlen(arg) == 2) {
549: /* either 6 for "ttyxx" or 8 for "console" */
1.21 deraadt 550: if (!(mval = malloc(len)))
1.1 deraadt 551: err(1, "malloc failure");
552: if (!strcmp(arg, "co"))
1.21 deraadt 553: (void)strlcpy(mval, "console", len);
554: else
555: snprintf(mval, len, "tty%s", arg);
1.1 deraadt 556: return (mval);
557: }
558: if (!strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1))
559: return (arg + 5);
560: return (arg);
561: }
1.4 jdm 562:
1.18 mickey 563: /*
1.4 jdm 564: * dateconv --
1.18 mickey 565: * Convert the snapshot time in command line given in the format
1.23 deraadt 566: * [[[CC]YY]MMDD]hhmm[.SS]] to a time_t.
1.18 mickey 567: * Derived from atime_arg1() in usr.bin/touch/touch.c
1.4 jdm 568: */
569: time_t
570: dateconv(arg)
1.7 deraadt 571: char *arg;
1.4 jdm 572: {
1.7 deraadt 573: time_t timet;
574: struct tm *t;
575: int yearset;
576: char *p;
577:
578: /* Start with the current time. */
579: if (time(&timet) < 0)
580: err(1, "time");
581: if ((t = localtime(&timet)) == NULL)
582: err(1, "localtime");
583:
1.23 deraadt 584: /* [[[CC]YY]MMDD]hhmm[.SS] */
1.7 deraadt 585: if ((p = strchr(arg, '.')) == NULL)
1.18 mickey 586: t->tm_sec = 0; /* Seconds defaults to 0. */
1.7 deraadt 587: else {
588: if (strlen(p + 1) != 2)
589: goto terr;
590: *p++ = '\0';
591: t->tm_sec = ATOI2(p);
592: }
593:
594: yearset = 0;
595: switch (strlen(arg)) {
1.22 deraadt 596: case 12: /* CCYYMMDDhhmm */
1.7 deraadt 597: t->tm_year = ATOI2(arg);
598: t->tm_year *= 100;
599: yearset = 1;
600: /* FALLTHOUGH */
1.22 deraadt 601: case 10: /* YYMMDDhhmm */
1.7 deraadt 602: if (yearset) {
603: yearset = ATOI2(arg);
604: t->tm_year += yearset;
605: } else {
606: yearset = ATOI2(arg);
607: if (yearset < 69)
608: t->tm_year = yearset + 2000;
609: else
610: t->tm_year = yearset + 1900;
611: }
612: t->tm_year -= 1900; /* Convert to UNIX time. */
613: /* FALLTHROUGH */
614: case 8: /* MMDDhhmm */
615: t->tm_mon = ATOI2(arg);
1.18 mickey 616: --t->tm_mon; /* Convert from 01-12 to 00-11 */
1.7 deraadt 617: t->tm_mday = ATOI2(arg);
618: t->tm_hour = ATOI2(arg);
619: t->tm_min = ATOI2(arg);
620: break;
621: case 4: /* hhmm */
622: t->tm_hour = ATOI2(arg);
623: t->tm_min = ATOI2(arg);
624: break;
625: default:
626: goto terr;
627: }
1.18 mickey 628: t->tm_isdst = -1; /* Figure out DST. */
1.7 deraadt 629: timet = mktime(t);
630: if (timet == -1)
631: terr: errx(1,
1.24 tedu 632: "out of range or illegal time specification: [[[CC]YY]MMDD]hhmm[.SS]");
1.22 deraadt 633: return (timet);
1.4 jdm 634: }
635:
1.1 deraadt 636:
637: /*
638: * onintr --
639: * on interrupt, we inform the user how far we've gotten
640: */
641: void
642: onintr(signo)
643: int signo;
644: {
1.25 deraadt 645: char str[1024], *ct;
1.1 deraadt 646:
1.25 deraadt 647: ct = ctime(&buf[0].ut_time); /* XXX signal race */
648: snprintf(str, sizeof str, "\ninterrupted %10.10s %8.8s \n",
649: ct, ct + 11);
650: write(STDOUT_FILENO, str, strlen(str));
1.1 deraadt 651: if (signo == SIGINT)
1.25 deraadt 652: _exit(1);
1.22 deraadt 653: }
654:
655: void
656: usage(void)
657: {
658: extern char *__progname;
659:
660: fprintf(stderr,
661: "usage: %s [-#] [-csT] [-f file] [-t tty] [-h host]"
1.23 deraadt 662: " [-d [[[CC]YY]MMDD]hhmm[.SS]] [user ...]\n", __progname);
1.22 deraadt 663: exit(1);
1.1 deraadt 664: }