17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate * with the License.
87c478bd9Sstevel@tonic-gate *
97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate * and limitations under the License.
137c478bd9Sstevel@tonic-gate *
147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate *
207c478bd9Sstevel@tonic-gate * CDDL HEADER END
217c478bd9Sstevel@tonic-gate */
227c478bd9Sstevel@tonic-gate /*
23*299c9e70SOlaf Bohlen * Copyright (c) 2017 Olaf Bohlen
24*299c9e70SOlaf Bohlen *
250a1278f2SGary Mills * Copyright (c) 2013 Gary Mills
260a1278f2SGary Mills *
277c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
287c478bd9Sstevel@tonic-gate * Use is subject to license terms.
297c478bd9Sstevel@tonic-gate */
307c478bd9Sstevel@tonic-gate
317c478bd9Sstevel@tonic-gate /*
327c478bd9Sstevel@tonic-gate * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
337c478bd9Sstevel@tonic-gate * All Rights Reserved
347c478bd9Sstevel@tonic-gate */
357c478bd9Sstevel@tonic-gate
367c478bd9Sstevel@tonic-gate /*
377c478bd9Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
387c478bd9Sstevel@tonic-gate * The Regents of the University of California
397c478bd9Sstevel@tonic-gate * All Rights Reserved
407c478bd9Sstevel@tonic-gate *
417c478bd9Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
427c478bd9Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
437c478bd9Sstevel@tonic-gate * contributors.
447c478bd9Sstevel@tonic-gate */
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate /*
477c478bd9Sstevel@tonic-gate * last
487c478bd9Sstevel@tonic-gate */
497c478bd9Sstevel@tonic-gate #include <sys/types.h>
507c478bd9Sstevel@tonic-gate #include <stdio.h>
517c478bd9Sstevel@tonic-gate #include <stdlib.h>
527c478bd9Sstevel@tonic-gate #include <unistd.h>
537c478bd9Sstevel@tonic-gate #include <strings.h>
547c478bd9Sstevel@tonic-gate #include <signal.h>
557c478bd9Sstevel@tonic-gate #include <sys/stat.h>
567c478bd9Sstevel@tonic-gate #include <pwd.h>
577c478bd9Sstevel@tonic-gate #include <fcntl.h>
587c478bd9Sstevel@tonic-gate #include <utmpx.h>
597c478bd9Sstevel@tonic-gate #include <locale.h>
607c478bd9Sstevel@tonic-gate #include <ctype.h>
617c478bd9Sstevel@tonic-gate
627c478bd9Sstevel@tonic-gate /*
630a1278f2SGary Mills * Use the full lengths from utmpx for NMAX, LMAX and HMAX .
647c478bd9Sstevel@tonic-gate */
650a1278f2SGary Mills #define NMAX (sizeof (((struct utmpx *)0)->ut_user))
660a1278f2SGary Mills #define LMAX (sizeof (((struct utmpx *)0)->ut_line))
677c478bd9Sstevel@tonic-gate #define HMAX (sizeof (((struct utmpx *)0)->ut_host))
680a1278f2SGary Mills
690a1278f2SGary Mills /* Print minimum field widths. */
700a1278f2SGary Mills #define LOGIN_WIDTH 8
710a1278f2SGary Mills #define LINE_WIDTH 12
720a1278f2SGary Mills
737c478bd9Sstevel@tonic-gate #define SECDAY (24*60*60)
747c478bd9Sstevel@tonic-gate #define CHUNK_SIZE 256
757c478bd9Sstevel@tonic-gate
767c478bd9Sstevel@tonic-gate #define lineq(a, b) (strncmp(a, b, LMAX) == 0)
777c478bd9Sstevel@tonic-gate #define nameq(a, b) (strncmp(a, b, NMAX) == 0)
787c478bd9Sstevel@tonic-gate #define hosteq(a, b) (strncmp(a, b, HMAX) == 0)
797c478bd9Sstevel@tonic-gate #define linehostnameq(a, b, c, d) \
807c478bd9Sstevel@tonic-gate (lineq(a, b)&&hosteq(a+LMAX+1, c)&&nameq(a+LMAX+HMAX+2, d))
817c478bd9Sstevel@tonic-gate
82*299c9e70SOlaf Bohlen #define USAGE "usage: last [-n number] [-f filename] [-a ] [ -l ] [name |\
83*299c9e70SOlaf Bohlen tty] ...\n"
847c478bd9Sstevel@tonic-gate
857c478bd9Sstevel@tonic-gate /* Beware: These are set in main() to exclude the executable name. */
867c478bd9Sstevel@tonic-gate static char **argv;
877c478bd9Sstevel@tonic-gate static int argc;
887c478bd9Sstevel@tonic-gate static char **names;
897c478bd9Sstevel@tonic-gate static int names_num;
907c478bd9Sstevel@tonic-gate
917c478bd9Sstevel@tonic-gate static struct utmpx buf[128];
927c478bd9Sstevel@tonic-gate
937c478bd9Sstevel@tonic-gate /*
947c478bd9Sstevel@tonic-gate * ttnames and logouts are allocated in the blocks of
957c478bd9Sstevel@tonic-gate * CHUNK_SIZE lines whenever needed. The count of the
967c478bd9Sstevel@tonic-gate * current size is maintained in the variable "lines"
977c478bd9Sstevel@tonic-gate * The variable bootxtime is used to hold the time of
987c478bd9Sstevel@tonic-gate * the last BOOT_TIME
997c478bd9Sstevel@tonic-gate * All elements of the logouts are initialised to bootxtime
1007c478bd9Sstevel@tonic-gate * everytime the buffer is reallocated.
1017c478bd9Sstevel@tonic-gate */
1027c478bd9Sstevel@tonic-gate
1037c478bd9Sstevel@tonic-gate static char **ttnames;
1047c478bd9Sstevel@tonic-gate static time_t *logouts;
1057c478bd9Sstevel@tonic-gate static time_t bootxtime;
1067c478bd9Sstevel@tonic-gate static int lines;
1077c478bd9Sstevel@tonic-gate static char timef[128];
1087c478bd9Sstevel@tonic-gate static char hostf[HMAX + 1];
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate static char *strspl(char *, char *);
1117c478bd9Sstevel@tonic-gate static void onintr(int);
1127c478bd9Sstevel@tonic-gate static void reallocate_buffer();
1137c478bd9Sstevel@tonic-gate static void memory_alloc(int);
1147c478bd9Sstevel@tonic-gate static int want(struct utmpx *, char **, char **);
1157c478bd9Sstevel@tonic-gate static void record_time(time_t *, int *, int, struct utmpx *);
1167c478bd9Sstevel@tonic-gate
1177c478bd9Sstevel@tonic-gate int
main(int ac,char ** av)1187c478bd9Sstevel@tonic-gate main(int ac, char **av)
1197c478bd9Sstevel@tonic-gate {
1207c478bd9Sstevel@tonic-gate int i, j;
1217c478bd9Sstevel@tonic-gate int aflag = 0;
122*299c9e70SOlaf Bohlen int lflag = 0; /* parameter -l, long format with seconds and years */
1237c478bd9Sstevel@tonic-gate int fpos; /* current position in time format buffer */
1247c478bd9Sstevel@tonic-gate int chrcnt; /* # of chars formatted by current sprintf */
1257c478bd9Sstevel@tonic-gate int bl, wtmp;
1267c478bd9Sstevel@tonic-gate char *ct;
1277c478bd9Sstevel@tonic-gate char *ut_host;
1287c478bd9Sstevel@tonic-gate char *ut_user;
1297c478bd9Sstevel@tonic-gate struct utmpx *bp;
1307c478bd9Sstevel@tonic-gate time_t otime;
1317c478bd9Sstevel@tonic-gate struct stat stb;
1327c478bd9Sstevel@tonic-gate int print = 0;
1337c478bd9Sstevel@tonic-gate char *crmsg = (char *)0;
1347c478bd9Sstevel@tonic-gate long outrec = 0;
1357c478bd9Sstevel@tonic-gate long maxrec = 0x7fffffffL;
1367c478bd9Sstevel@tonic-gate char *wtmpfile = "/var/adm/wtmpx";
1377c478bd9Sstevel@tonic-gate size_t hostf_len;
1387c478bd9Sstevel@tonic-gate
1397c478bd9Sstevel@tonic-gate (void) setlocale(LC_ALL, "");
1407c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */
1417c478bd9Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't. */
1427c478bd9Sstevel@tonic-gate #endif
1437c478bd9Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN);
1447c478bd9Sstevel@tonic-gate
1457c478bd9Sstevel@tonic-gate (void) time(&buf[0].ut_xtime);
1467c478bd9Sstevel@tonic-gate ac--, av++;
1477c478bd9Sstevel@tonic-gate argc = ac;
1487c478bd9Sstevel@tonic-gate argv = av;
1497c478bd9Sstevel@tonic-gate names = malloc(argc * sizeof (char *));
1507c478bd9Sstevel@tonic-gate if (names == NULL) {
1517c478bd9Sstevel@tonic-gate perror("last");
1527c478bd9Sstevel@tonic-gate exit(2);
1537c478bd9Sstevel@tonic-gate }
1547c478bd9Sstevel@tonic-gate names_num = 0;
1557c478bd9Sstevel@tonic-gate for (i = 0; i < argc; i++) {
1567c478bd9Sstevel@tonic-gate if (argv[i][0] == '-') {
1577c478bd9Sstevel@tonic-gate
1587c478bd9Sstevel@tonic-gate /* -[0-9]* sets max # records to print */
1597c478bd9Sstevel@tonic-gate if (isdigit(argv[i][1])) {
1607c478bd9Sstevel@tonic-gate maxrec = atoi(argv[i]+1);
1617c478bd9Sstevel@tonic-gate continue;
1627c478bd9Sstevel@tonic-gate }
1637c478bd9Sstevel@tonic-gate
1647c478bd9Sstevel@tonic-gate for (j = 1; argv[i][j] != '\0'; ++j) {
1657c478bd9Sstevel@tonic-gate switch (argv[i][j]) {
1667c478bd9Sstevel@tonic-gate
1677c478bd9Sstevel@tonic-gate /* -f name sets filename of wtmp file */
1687c478bd9Sstevel@tonic-gate case 'f':
1697c478bd9Sstevel@tonic-gate if (argv[i][j+1] != '\0') {
1707c478bd9Sstevel@tonic-gate wtmpfile = &argv[i][j+1];
1717c478bd9Sstevel@tonic-gate } else if (i+1 < argc) {
1727c478bd9Sstevel@tonic-gate wtmpfile = argv[++i];
1737c478bd9Sstevel@tonic-gate } else {
1747c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
1757c478bd9Sstevel@tonic-gate gettext("last: argument to "
1767c478bd9Sstevel@tonic-gate "-f is missing\n"));
1777c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
1787c478bd9Sstevel@tonic-gate gettext(USAGE));
1797c478bd9Sstevel@tonic-gate exit(1);
1807c478bd9Sstevel@tonic-gate }
1817c478bd9Sstevel@tonic-gate goto next_word;
1827c478bd9Sstevel@tonic-gate
1837c478bd9Sstevel@tonic-gate /* -n number sets max # records to print */
1847c478bd9Sstevel@tonic-gate case 'n': {
1857c478bd9Sstevel@tonic-gate char *arg;
1867c478bd9Sstevel@tonic-gate
1877c478bd9Sstevel@tonic-gate if (argv[i][j+1] != '\0') {
1887c478bd9Sstevel@tonic-gate arg = &argv[i][j+1];
1897c478bd9Sstevel@tonic-gate } else if (i+1 < argc) {
1907c478bd9Sstevel@tonic-gate arg = argv[++i];
1917c478bd9Sstevel@tonic-gate } else {
1927c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
1937c478bd9Sstevel@tonic-gate gettext("last: argument to "
1947c478bd9Sstevel@tonic-gate "-n is missing\n"));
1957c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
1967c478bd9Sstevel@tonic-gate gettext(USAGE));
1977c478bd9Sstevel@tonic-gate exit(1);
1987c478bd9Sstevel@tonic-gate }
1997c478bd9Sstevel@tonic-gate
2007c478bd9Sstevel@tonic-gate if (!isdigit(*arg)) {
2017c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
2027c478bd9Sstevel@tonic-gate gettext("last: argument to "
2037c478bd9Sstevel@tonic-gate "-n is not a number\n"));
2047c478bd9Sstevel@tonic-gate (void) fprintf(stderr,
2057c478bd9Sstevel@tonic-gate gettext(USAGE));
2067c478bd9Sstevel@tonic-gate exit(1);
2077c478bd9Sstevel@tonic-gate }
2087c478bd9Sstevel@tonic-gate maxrec = atoi(arg);
2097c478bd9Sstevel@tonic-gate goto next_word;
2107c478bd9Sstevel@tonic-gate }
2117c478bd9Sstevel@tonic-gate
2127c478bd9Sstevel@tonic-gate /* -a displays hostname last on the line */
2137c478bd9Sstevel@tonic-gate case 'a':
2147c478bd9Sstevel@tonic-gate aflag++;
2157c478bd9Sstevel@tonic-gate break;
2167c478bd9Sstevel@tonic-gate
217*299c9e70SOlaf Bohlen /* -l turns on long dates and times */
218*299c9e70SOlaf Bohlen case 'l':
219*299c9e70SOlaf Bohlen lflag++;
220*299c9e70SOlaf Bohlen break;
221*299c9e70SOlaf Bohlen
2227c478bd9Sstevel@tonic-gate default:
2237c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(USAGE));
2247c478bd9Sstevel@tonic-gate exit(1);
2257c478bd9Sstevel@tonic-gate }
2267c478bd9Sstevel@tonic-gate }
2277c478bd9Sstevel@tonic-gate
2287c478bd9Sstevel@tonic-gate next_word:
2297c478bd9Sstevel@tonic-gate continue;
2307c478bd9Sstevel@tonic-gate }
2317c478bd9Sstevel@tonic-gate
2327c478bd9Sstevel@tonic-gate if (strlen(argv[i]) > 2 || strcmp(argv[i], "~") == 0 ||
2337c478bd9Sstevel@tonic-gate getpwnam(argv[i]) != NULL) {
2347c478bd9Sstevel@tonic-gate /* Not a tty number. */
2357c478bd9Sstevel@tonic-gate names[names_num] = argv[i];
2367c478bd9Sstevel@tonic-gate ++names_num;
2377c478bd9Sstevel@tonic-gate } else {
2387c478bd9Sstevel@tonic-gate /* tty number. Prepend "tty". */
2397c478bd9Sstevel@tonic-gate names[names_num] = strspl("tty", argv[i]);
2407c478bd9Sstevel@tonic-gate ++names_num;
2417c478bd9Sstevel@tonic-gate }
2427c478bd9Sstevel@tonic-gate }
2437c478bd9Sstevel@tonic-gate
2447c478bd9Sstevel@tonic-gate wtmp = open(wtmpfile, 0);
2457c478bd9Sstevel@tonic-gate if (wtmp < 0) {
2467c478bd9Sstevel@tonic-gate perror(wtmpfile);
2477c478bd9Sstevel@tonic-gate exit(1);
2487c478bd9Sstevel@tonic-gate }
2497c478bd9Sstevel@tonic-gate (void) fstat(wtmp, &stb);
2507c478bd9Sstevel@tonic-gate bl = (stb.st_size + sizeof (buf)-1) / sizeof (buf);
2517c478bd9Sstevel@tonic-gate if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
2527c478bd9Sstevel@tonic-gate (void) signal(SIGINT, onintr);
2537c478bd9Sstevel@tonic-gate (void) signal(SIGQUIT, onintr);
2547c478bd9Sstevel@tonic-gate }
2557c478bd9Sstevel@tonic-gate lines = CHUNK_SIZE;
2567c478bd9Sstevel@tonic-gate ttnames = calloc(lines, sizeof (char *));
2577c478bd9Sstevel@tonic-gate logouts = calloc(lines, sizeof (time_t));
2587c478bd9Sstevel@tonic-gate if (ttnames == NULL || logouts == NULL) {
2597c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext("Out of memory \n "));
2607c478bd9Sstevel@tonic-gate exit(2);
2617c478bd9Sstevel@tonic-gate }
2627c478bd9Sstevel@tonic-gate for (bl--; bl >= 0; bl--) {
2637c478bd9Sstevel@tonic-gate (void) lseek(wtmp, (off_t)(bl * sizeof (buf)), 0);
2647c478bd9Sstevel@tonic-gate bp = &buf[read(wtmp, buf, sizeof (buf)) / sizeof (buf[0]) - 1];
2657c478bd9Sstevel@tonic-gate for (; bp >= buf; bp--) {
2667c478bd9Sstevel@tonic-gate if (want(bp, &ut_host, &ut_user)) {
2677c478bd9Sstevel@tonic-gate for (i = 0; i <= lines; i++) {
2687c478bd9Sstevel@tonic-gate if (i == lines)
2690a1278f2SGary Mills reallocate_buffer();
2707c478bd9Sstevel@tonic-gate if (ttnames[i] == NULL) {
2710a1278f2SGary Mills memory_alloc(i);
2727c478bd9Sstevel@tonic-gate /*
2737c478bd9Sstevel@tonic-gate * LMAX+HMAX+NMAX+3 bytes have been
2747c478bd9Sstevel@tonic-gate * allocated for ttnames[i].
2757c478bd9Sstevel@tonic-gate * If bp->ut_line is longer than LMAX,
2767c478bd9Sstevel@tonic-gate * ut_host is longer than HMAX,
2777c478bd9Sstevel@tonic-gate * and ut_user is longer than NMAX,
2787c478bd9Sstevel@tonic-gate * truncate it to fit ttnames[i].
2797c478bd9Sstevel@tonic-gate */
2807c478bd9Sstevel@tonic-gate (void) strlcpy(ttnames[i], bp->ut_line,
2810a1278f2SGary Mills LMAX+1);
2827c478bd9Sstevel@tonic-gate (void) strlcpy(ttnames[i]+LMAX+1,
2830a1278f2SGary Mills ut_host, HMAX+1);
2847c478bd9Sstevel@tonic-gate (void) strlcpy(ttnames[i]+LMAX+HMAX+2,
2850a1278f2SGary Mills ut_user, NMAX+1);
2867c478bd9Sstevel@tonic-gate record_time(&otime, &print,
2870a1278f2SGary Mills i, bp);
2887c478bd9Sstevel@tonic-gate break;
2897c478bd9Sstevel@tonic-gate } else if (linehostnameq(ttnames[i],
2907c478bd9Sstevel@tonic-gate bp->ut_line, ut_host, ut_user)) {
2917c478bd9Sstevel@tonic-gate record_time(&otime,
2927c478bd9Sstevel@tonic-gate &print, i, bp);
2937c478bd9Sstevel@tonic-gate break;
2947c478bd9Sstevel@tonic-gate }
2957c478bd9Sstevel@tonic-gate }
2967c478bd9Sstevel@tonic-gate }
2977c478bd9Sstevel@tonic-gate if (print) {
2987c478bd9Sstevel@tonic-gate if (strncmp(bp->ut_line, "ftp", 3) == 0)
2997c478bd9Sstevel@tonic-gate bp->ut_line[3] = '\0';
3007c478bd9Sstevel@tonic-gate if (strncmp(bp->ut_line, "uucp", 4) == 0)
3017c478bd9Sstevel@tonic-gate bp->ut_line[4] = '\0';
3027c478bd9Sstevel@tonic-gate
3037c478bd9Sstevel@tonic-gate ct = ctime(&bp->ut_xtime);
3047c478bd9Sstevel@tonic-gate (void) printf(gettext("%-*.*s %-*.*s "),
3050a1278f2SGary Mills LOGIN_WIDTH, NMAX, bp->ut_name,
3060a1278f2SGary Mills LINE_WIDTH, LMAX, bp->ut_line);
3077c478bd9Sstevel@tonic-gate hostf_len = strlen(bp->ut_host);
3087c478bd9Sstevel@tonic-gate (void) snprintf(hostf, sizeof (hostf),
3097c478bd9Sstevel@tonic-gate "%-*.*s", hostf_len, hostf_len,
3107c478bd9Sstevel@tonic-gate bp->ut_host);
311*299c9e70SOlaf Bohlen /* write seconds and year if -l specified */
312*299c9e70SOlaf Bohlen if (lflag > 0) {
313*299c9e70SOlaf Bohlen fpos = snprintf(timef, sizeof (timef),
314*299c9e70SOlaf Bohlen "%10.10s %13.13s ",
315*299c9e70SOlaf Bohlen ct, 11 + ct);
316*299c9e70SOlaf Bohlen } else {
317*299c9e70SOlaf Bohlen fpos = snprintf(timef, sizeof (timef),
318*299c9e70SOlaf Bohlen "%10.10s %5.5s ",
319*299c9e70SOlaf Bohlen ct, 11 + ct);
320*299c9e70SOlaf Bohlen }
321*299c9e70SOlaf Bohlen
3227c478bd9Sstevel@tonic-gate if (!lineq(bp->ut_line, "system boot") &&
3237c478bd9Sstevel@tonic-gate !lineq(bp->ut_line, "system down")) {
3247c478bd9Sstevel@tonic-gate if (otime == 0 &&
3257c478bd9Sstevel@tonic-gate bp->ut_type == USER_PROCESS) {
3267c478bd9Sstevel@tonic-gate
3277c478bd9Sstevel@tonic-gate if (fpos < sizeof (timef)) {
3287c478bd9Sstevel@tonic-gate /* timef still has room */
3297c478bd9Sstevel@tonic-gate (void) snprintf(timef + fpos, sizeof (timef) - fpos,
3300a1278f2SGary Mills gettext(" still logged in"));
3317c478bd9Sstevel@tonic-gate }
3327c478bd9Sstevel@tonic-gate
3337c478bd9Sstevel@tonic-gate } else {
3347c478bd9Sstevel@tonic-gate time_t delta;
3357c478bd9Sstevel@tonic-gate if (otime < 0) {
3367c478bd9Sstevel@tonic-gate otime = -otime;
3377c478bd9Sstevel@tonic-gate /*
3387c478bd9Sstevel@tonic-gate * TRANSLATION_NOTE
3397c478bd9Sstevel@tonic-gate * See other notes on "down"
3407c478bd9Sstevel@tonic-gate * and "- %5.5s".
3417c478bd9Sstevel@tonic-gate * "-" means "until". This
3427c478bd9Sstevel@tonic-gate * is displayed after the
3437c478bd9Sstevel@tonic-gate * starting time as in:
3447c478bd9Sstevel@tonic-gate * 16:20 - down
3457c478bd9Sstevel@tonic-gate * You probably don't want to
3467c478bd9Sstevel@tonic-gate * translate this. Should you
3477c478bd9Sstevel@tonic-gate * decide to translate this,
3487c478bd9Sstevel@tonic-gate * translate "- %5.5s" too.
3497c478bd9Sstevel@tonic-gate */
3507c478bd9Sstevel@tonic-gate
3517c478bd9Sstevel@tonic-gate if (fpos < sizeof (timef)) {
3527c478bd9Sstevel@tonic-gate /* timef still has room */
3537c478bd9Sstevel@tonic-gate chrcnt = snprintf(timef + fpos, sizeof (timef) - fpos,
3540a1278f2SGary Mills gettext("- %s"), crmsg);
3557c478bd9Sstevel@tonic-gate fpos += chrcnt;
3567c478bd9Sstevel@tonic-gate }
3577c478bd9Sstevel@tonic-gate
3587c478bd9Sstevel@tonic-gate } else {
3597c478bd9Sstevel@tonic-gate
3607c478bd9Sstevel@tonic-gate if (fpos < sizeof (timef)) {
3617c478bd9Sstevel@tonic-gate /* timef still has room */
362*299c9e70SOlaf Bohlen if (lflag > 0) {
363*299c9e70SOlaf Bohlen chrcnt = snprintf(timef + fpos, sizeof (timef) - fpos,
364*299c9e70SOlaf Bohlen gettext("- %8.8s"), ctime(&otime) + 11);
365*299c9e70SOlaf Bohlen } else {
366*299c9e70SOlaf Bohlen chrcnt = snprintf(timef + fpos, sizeof (timef) - fpos,
367*299c9e70SOlaf Bohlen gettext("- %5.5s"), ctime(&otime) + 11);
368*299c9e70SOlaf Bohlen }
3697c478bd9Sstevel@tonic-gate fpos += chrcnt;
3707c478bd9Sstevel@tonic-gate }
3717c478bd9Sstevel@tonic-gate
3727c478bd9Sstevel@tonic-gate }
3737c478bd9Sstevel@tonic-gate delta = otime - bp->ut_xtime;
3747c478bd9Sstevel@tonic-gate if (delta < SECDAY) {
3757c478bd9Sstevel@tonic-gate
3767c478bd9Sstevel@tonic-gate if (fpos < sizeof (timef)) {
3777c478bd9Sstevel@tonic-gate /* timef still has room */
378*299c9e70SOlaf Bohlen if (lflag > 0) {
379*299c9e70SOlaf Bohlen (void) snprintf(timef + fpos, sizeof (timef) - fpos,
380*299c9e70SOlaf Bohlen gettext(" (%8.8s)"), asctime(gmtime(&delta)) + 11);
381*299c9e70SOlaf Bohlen } else {
382*299c9e70SOlaf Bohlen (void) snprintf(timef + fpos, sizeof (timef) - fpos,
383*299c9e70SOlaf Bohlen gettext(" (%5.5s)"), asctime(gmtime(&delta)) + 11);
384*299c9e70SOlaf Bohlen }
385*299c9e70SOlaf Bohlen
3867c478bd9Sstevel@tonic-gate }
3877c478bd9Sstevel@tonic-gate
3887c478bd9Sstevel@tonic-gate } else {
3897c478bd9Sstevel@tonic-gate
3907c478bd9Sstevel@tonic-gate if (fpos < sizeof (timef)) {
3917c478bd9Sstevel@tonic-gate /* timef still has room */
392*299c9e70SOlaf Bohlen if (lflag > 0) {
393*299c9e70SOlaf Bohlen (void) snprintf(timef + fpos, sizeof (timef) - fpos,
394*299c9e70SOlaf Bohlen gettext(" (%ld+%8.8s)"), delta / SECDAY,
395*299c9e70SOlaf Bohlen asctime(gmtime(&delta)) + 11);
396*299c9e70SOlaf Bohlen } else {
397*299c9e70SOlaf Bohlen (void) snprintf(timef + fpos, sizeof (timef) - fpos,
398*299c9e70SOlaf Bohlen gettext(" (%ld+%5.5s)"), delta / SECDAY,
399*299c9e70SOlaf Bohlen asctime(gmtime(&delta)) + 11);
400*299c9e70SOlaf Bohlen }
4017c478bd9Sstevel@tonic-gate }
4027c478bd9Sstevel@tonic-gate
4037c478bd9Sstevel@tonic-gate }
404*299c9e70SOlaf Bohlen }
4057c478bd9Sstevel@tonic-gate }
406*299c9e70SOlaf Bohlen if (lflag > 0) {
407*299c9e70SOlaf Bohlen if (aflag)
408*299c9e70SOlaf Bohlen (void) printf("%-.*s %-.*s\n",
409*299c9e70SOlaf Bohlen strlen(timef), timef,
410*299c9e70SOlaf Bohlen strlen(hostf), hostf);
411*299c9e70SOlaf Bohlen else
412*299c9e70SOlaf Bohlen (void) printf(
413*299c9e70SOlaf Bohlen "%-16.16s %-.*s\n", hostf,
414*299c9e70SOlaf Bohlen strlen(timef), timef);
415*299c9e70SOlaf Bohlen } else {
416*299c9e70SOlaf Bohlen if (aflag)
417*299c9e70SOlaf Bohlen (void) printf(
418*299c9e70SOlaf Bohlen "%-35.35s %-.*s\n", timef,
419*299c9e70SOlaf Bohlen strlen(hostf), hostf);
420*299c9e70SOlaf Bohlen else
421*299c9e70SOlaf Bohlen (void) printf(
422*299c9e70SOlaf Bohlen "%-16.16s %-.35s\n", hostf,
423*299c9e70SOlaf Bohlen timef);
4247c478bd9Sstevel@tonic-gate }
4257c478bd9Sstevel@tonic-gate (void) fflush(stdout);
4267c478bd9Sstevel@tonic-gate if (++outrec >= maxrec)
4277c478bd9Sstevel@tonic-gate exit(0);
4287c478bd9Sstevel@tonic-gate }
4297c478bd9Sstevel@tonic-gate /*
4307c478bd9Sstevel@tonic-gate * when the system is down or crashed.
4317c478bd9Sstevel@tonic-gate */
4327c478bd9Sstevel@tonic-gate if (bp->ut_type == BOOT_TIME) {
4337c478bd9Sstevel@tonic-gate for (i = 0; i < lines; i++)
4347c478bd9Sstevel@tonic-gate logouts[i] = -bp->ut_xtime;
4357c478bd9Sstevel@tonic-gate bootxtime = -bp->ut_xtime;
4367c478bd9Sstevel@tonic-gate /*
4377c478bd9Sstevel@tonic-gate * TRANSLATION_NOTE
4387c478bd9Sstevel@tonic-gate * Translation of this "down " will replace
4397c478bd9Sstevel@tonic-gate * the %s in "- %s". "down" is used instead
4407c478bd9Sstevel@tonic-gate * of the real time session was ended, probably
4417c478bd9Sstevel@tonic-gate * because the session ended by a sudden crash.
4427c478bd9Sstevel@tonic-gate */
4437c478bd9Sstevel@tonic-gate crmsg = gettext("down ");
4447c478bd9Sstevel@tonic-gate }
4457c478bd9Sstevel@tonic-gate print = 0; /* reset the print flag */
4467c478bd9Sstevel@tonic-gate }
4477c478bd9Sstevel@tonic-gate }
4487c478bd9Sstevel@tonic-gate ct = ctime(&buf[0].ut_xtime);
449*299c9e70SOlaf Bohlen if (lflag > 0) {
450*299c9e70SOlaf Bohlen (void) printf(gettext("\nwtmp begins %10.10s %13.13s \n"), ct,
451*299c9e70SOlaf Bohlen ct + 11);
452*299c9e70SOlaf Bohlen } else {
453*299c9e70SOlaf Bohlen (void) printf(gettext("\nwtmp begins %10.10s %5.5s \n"), ct,
454*299c9e70SOlaf Bohlen ct + 11);
455*299c9e70SOlaf Bohlen }
4567c478bd9Sstevel@tonic-gate
4577c478bd9Sstevel@tonic-gate /* free() called to prevent lint warning about names */
4587c478bd9Sstevel@tonic-gate free(names);
4597c478bd9Sstevel@tonic-gate
4607c478bd9Sstevel@tonic-gate return (0);
4617c478bd9Sstevel@tonic-gate }
4627c478bd9Sstevel@tonic-gate
4637c478bd9Sstevel@tonic-gate static void
reallocate_buffer()4647c478bd9Sstevel@tonic-gate reallocate_buffer()
4657c478bd9Sstevel@tonic-gate {
4667c478bd9Sstevel@tonic-gate int j;
4677c478bd9Sstevel@tonic-gate static char **tmpttnames;
4687c478bd9Sstevel@tonic-gate static time_t *tmplogouts;
4697c478bd9Sstevel@tonic-gate
4707c478bd9Sstevel@tonic-gate lines += CHUNK_SIZE;
4717c478bd9Sstevel@tonic-gate tmpttnames = realloc(ttnames, sizeof (char *)*lines);
4727c478bd9Sstevel@tonic-gate tmplogouts = realloc(logouts, sizeof (time_t)*lines);
4737c478bd9Sstevel@tonic-gate if (tmpttnames == NULL || tmplogouts == NULL) {
4747c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext("Out of memory \n"));
4757c478bd9Sstevel@tonic-gate exit(2);
4767c478bd9Sstevel@tonic-gate } else {
4770a1278f2SGary Mills ttnames = tmpttnames;
4780a1278f2SGary Mills logouts = tmplogouts;
4797c478bd9Sstevel@tonic-gate }
4807c478bd9Sstevel@tonic-gate for (j = lines-CHUNK_SIZE; j < lines; j++) {
4817c478bd9Sstevel@tonic-gate ttnames[j] = NULL;
4827c478bd9Sstevel@tonic-gate logouts[j] = bootxtime;
4837c478bd9Sstevel@tonic-gate }
4847c478bd9Sstevel@tonic-gate }
4857c478bd9Sstevel@tonic-gate
4867c478bd9Sstevel@tonic-gate static void
memory_alloc(int i)4877c478bd9Sstevel@tonic-gate memory_alloc(int i)
4887c478bd9Sstevel@tonic-gate {
4897c478bd9Sstevel@tonic-gate ttnames[i] = (char *)malloc(LMAX + HMAX + NMAX + 3);
4907c478bd9Sstevel@tonic-gate if (ttnames[i] == NULL) {
4917c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext("Out of memory \n "));
4927c478bd9Sstevel@tonic-gate exit(2);
4937c478bd9Sstevel@tonic-gate }
4947c478bd9Sstevel@tonic-gate }
4957c478bd9Sstevel@tonic-gate
4967c478bd9Sstevel@tonic-gate static void
onintr(int signo)4977c478bd9Sstevel@tonic-gate onintr(int signo)
4987c478bd9Sstevel@tonic-gate {
4997c478bd9Sstevel@tonic-gate char *ct;
5007c478bd9Sstevel@tonic-gate
5017c478bd9Sstevel@tonic-gate if (signo == SIGQUIT)
5027c478bd9Sstevel@tonic-gate (void) signal(SIGQUIT, (void(*)())onintr);
5037c478bd9Sstevel@tonic-gate ct = ctime(&buf[0].ut_xtime);
5047c478bd9Sstevel@tonic-gate (void) printf(gettext("\ninterrupted %10.10s %5.5s \n"), ct, ct + 11);
5057c478bd9Sstevel@tonic-gate (void) fflush(stdout);
5067c478bd9Sstevel@tonic-gate if (signo == SIGINT)
5077c478bd9Sstevel@tonic-gate exit(1);
5087c478bd9Sstevel@tonic-gate }
5097c478bd9Sstevel@tonic-gate
5107c478bd9Sstevel@tonic-gate static int
want(struct utmpx * bp,char ** host,char ** user)5117c478bd9Sstevel@tonic-gate want(struct utmpx *bp, char **host, char **user)
5127c478bd9Sstevel@tonic-gate {
5137c478bd9Sstevel@tonic-gate char **name;
5147c478bd9Sstevel@tonic-gate int i;
5157c478bd9Sstevel@tonic-gate char *zerostr = "\0";
5167c478bd9Sstevel@tonic-gate
5177c478bd9Sstevel@tonic-gate *host = zerostr; *user = zerostr;
5187c478bd9Sstevel@tonic-gate
5197c478bd9Sstevel@tonic-gate /* if ut_line = dtremote for the users who did dtremote login */
5207c478bd9Sstevel@tonic-gate if (strncmp(bp->ut_line, "dtremote", 8) == 0) {
5217c478bd9Sstevel@tonic-gate *host = bp->ut_host;
5227c478bd9Sstevel@tonic-gate *user = bp->ut_user;
5237c478bd9Sstevel@tonic-gate }
5247c478bd9Sstevel@tonic-gate /* if ut_line = dtlocal for the users who did a dtlocal login */
5257c478bd9Sstevel@tonic-gate else if (strncmp(bp->ut_line, "dtlocal", 7) == 0) {
5267c478bd9Sstevel@tonic-gate *host = bp->ut_host;
5277c478bd9Sstevel@tonic-gate *user = bp->ut_user;
5287c478bd9Sstevel@tonic-gate }
5297c478bd9Sstevel@tonic-gate /*
5307c478bd9Sstevel@tonic-gate * Both dtremote and dtlocal can have multiple entries in
5317c478bd9Sstevel@tonic-gate * /var/adm/wtmpx with these values, so the user and host
5327c478bd9Sstevel@tonic-gate * entries are also checked
5337c478bd9Sstevel@tonic-gate */
5347c478bd9Sstevel@tonic-gate if ((bp->ut_type == BOOT_TIME) || (bp->ut_type == DOWN_TIME))
5357c478bd9Sstevel@tonic-gate (void) strcpy(bp->ut_user, "reboot");
5367c478bd9Sstevel@tonic-gate
5377c478bd9Sstevel@tonic-gate if (bp->ut_type != USER_PROCESS && bp->ut_type != DEAD_PROCESS &&
5387c478bd9Sstevel@tonic-gate bp->ut_type != BOOT_TIME && bp->ut_type != DOWN_TIME)
5397c478bd9Sstevel@tonic-gate return (0);
5407c478bd9Sstevel@tonic-gate
5417c478bd9Sstevel@tonic-gate if (bp->ut_user[0] == '.')
5427c478bd9Sstevel@tonic-gate return (0);
5437c478bd9Sstevel@tonic-gate
5447c478bd9Sstevel@tonic-gate if (names_num == 0) {
5457c478bd9Sstevel@tonic-gate if (bp->ut_line[0] != '\0')
5467c478bd9Sstevel@tonic-gate return (1);
5477c478bd9Sstevel@tonic-gate } else {
5487c478bd9Sstevel@tonic-gate name = names;
5497c478bd9Sstevel@tonic-gate for (i = 0; i < names_num; i++, name++) {
5507c478bd9Sstevel@tonic-gate if (nameq(*name, bp->ut_name) ||
5517c478bd9Sstevel@tonic-gate lineq(*name, bp->ut_line) ||
5527c478bd9Sstevel@tonic-gate (lineq(*name, "ftp") &&
5537c478bd9Sstevel@tonic-gate (strncmp(bp->ut_line, "ftp", 3) == 0))) {
5547c478bd9Sstevel@tonic-gate return (1);
5557c478bd9Sstevel@tonic-gate }
5567c478bd9Sstevel@tonic-gate }
5577c478bd9Sstevel@tonic-gate }
5587c478bd9Sstevel@tonic-gate return (0);
5597c478bd9Sstevel@tonic-gate }
5607c478bd9Sstevel@tonic-gate
5617c478bd9Sstevel@tonic-gate static char *
strspl(char * left,char * right)5627c478bd9Sstevel@tonic-gate strspl(char *left, char *right)
5637c478bd9Sstevel@tonic-gate {
5647c478bd9Sstevel@tonic-gate size_t ressize = strlen(left) + strlen(right) + 1;
5657c478bd9Sstevel@tonic-gate
5667c478bd9Sstevel@tonic-gate char *res = malloc(ressize);
5677c478bd9Sstevel@tonic-gate
5687c478bd9Sstevel@tonic-gate if (res == NULL) {
5697c478bd9Sstevel@tonic-gate perror("last");
5707c478bd9Sstevel@tonic-gate exit(2);
5717c478bd9Sstevel@tonic-gate }
5727c478bd9Sstevel@tonic-gate (void) strlcpy(res, left, ressize);
5737c478bd9Sstevel@tonic-gate (void) strlcat(res, right, ressize);
5747c478bd9Sstevel@tonic-gate return (res);
5757c478bd9Sstevel@tonic-gate }
5767c478bd9Sstevel@tonic-gate
5777c478bd9Sstevel@tonic-gate static void
record_time(time_t * otime,int * print,int i,struct utmpx * bp)5787c478bd9Sstevel@tonic-gate record_time(time_t *otime, int *print, int i, struct utmpx *bp)
5797c478bd9Sstevel@tonic-gate {
5807c478bd9Sstevel@tonic-gate *otime = logouts[i];
5817c478bd9Sstevel@tonic-gate logouts[i] = bp->ut_xtime;
5827c478bd9Sstevel@tonic-gate if ((bp->ut_type == USER_PROCESS && bp->ut_user[0] != '\0') ||
5837c478bd9Sstevel@tonic-gate (bp->ut_type == BOOT_TIME) || (bp->ut_type == DOWN_TIME))
5847c478bd9Sstevel@tonic-gate *print = 1;
5857c478bd9Sstevel@tonic-gate else
5867c478bd9Sstevel@tonic-gate *print = 0;
5877c478bd9Sstevel@tonic-gate }
588