11590Srgrimes/* 21590Srgrimes * Copyright (c) 1987, 1993, 1994 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 4. Neither the name of the University nor the names of its contributors 141590Srgrimes * may be used to endorse or promote products derived from this software 151590Srgrimes * without specific prior written permission. 161590Srgrimes * 171590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271590Srgrimes * SUCH DAMAGE. 281590Srgrimes */ 291590Srgrimes 301590Srgrimes#ifndef lint 3178201Sddstatic const char copyright[] = 321590Srgrimes"@(#) Copyright (c) 1987, 1993, 1994\n\ 331590Srgrimes The Regents of the University of California. All rights reserved.\n"; 341590Srgrimes#endif /* not lint */ 351590Srgrimes 361590Srgrimes#ifndef lint 3778201Sddstatic const char sccsid[] = "@(#)last.c 8.2 (Berkeley) 4/2/94"; 381590Srgrimes#endif /* not lint */ 3999112Sobrien#include <sys/cdefs.h> 4099112Sobrien__FBSDID("$FreeBSD$"); 411590Srgrimes 421590Srgrimes#include <sys/param.h> 431590Srgrimes#include <sys/stat.h> 441590Srgrimes 451590Srgrimes#include <err.h> 46118077Stjr#include <errno.h> 471590Srgrimes#include <fcntl.h> 4874588Sache#include <langinfo.h> 4916438Sache#include <locale.h> 501590Srgrimes#include <paths.h> 511590Srgrimes#include <signal.h> 521590Srgrimes#include <stdio.h> 531590Srgrimes#include <stdlib.h> 541590Srgrimes#include <string.h> 551590Srgrimes#include <time.h> 56125856Sdwmalone#include <timeconv.h> 571590Srgrimes#include <unistd.h> 58202197Sed#include <utmpx.h> 5911547Sdg#include <sys/queue.h> 601590Srgrimes 611590Srgrimes#define NO 0 /* false/no */ 621590Srgrimes#define YES 1 /* true/yes */ 6377291Sdd#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2; 641590Srgrimes 651590Srgrimestypedef struct arg { 661590Srgrimes char *name; /* argument */ 671590Srgrimes#define HOST_TYPE -2 681590Srgrimes#define TTY_TYPE -3 691590Srgrimes#define USER_TYPE -4 701590Srgrimes int type; /* type of arg */ 711590Srgrimes struct arg *next; /* linked list pointer */ 721590Srgrimes} ARG; 731590SrgrimesARG *arglist; /* head of linked list */ 741590Srgrimes 75202197SedLIST_HEAD(idlisthead, idtab) idlist; 7611547Sdg 77202197Sedstruct idtab { 7836062Sjb time_t logout; /* log out time */ 79202197Sed char id[sizeof ((struct utmpx *)0)->ut_id]; /* identifier */ 80202197Sed LIST_ENTRY(idtab) list; 8111547Sdg}; 821590Srgrimes 8391536Siedowsestatic const char *crmsg; /* cause of last reboot */ 84202197Sedstatic time_t currentout; /* current logout value */ 85202197Sedstatic long maxrec; /* records to display */ 86202197Sedstatic const char *file = NULL; /* wtmp file */ 8736434Sdannystatic int sflag = 0; /* show delta in seconds */ 8836434Sdannystatic int width = 5; /* show seconds in delta */ 8991541Siedowsestatic int yflag; /* show year */ 9074588Sachestatic int d_first; 9191538Siedowsestatic int snapfound = 0; /* found snapshot entry? */ 9277291Sddstatic time_t snaptime; /* if != 0, we will only 9377291Sdd * report users logged in 9477291Sdd * at this snapshot time 9577291Sdd */ 961590Srgrimes 9792920Simpvoid addarg(int, char *); 9892920Simptime_t dateconv(char *); 99202197Sedvoid doentry(struct utmpx *); 10092920Simpvoid hostconv(char *); 101202197Sedvoid printentry(struct utmpx *, struct idtab *); 10292920Simpchar *ttyconv(char *); 103202197Sedint want(struct utmpx *); 10492920Simpvoid usage(void); 10592920Simpvoid wtmp(void); 1061590Srgrimes 10736434Sdannyvoid 10836434Sdannyusage(void) 10936434Sdanny{ 11036434Sdanny (void)fprintf(stderr, 111119023Stjr"usage: last [-swy] [-d [[CC]YY][MMDD]hhmm[.SS]] [-f file] [-h host]\n" 112119023Stjr" [-n maxrec] [-t tty] [user ...]\n"); 11336434Sdanny exit(1); 11436434Sdanny} 11536434Sdanny 1161590Srgrimesint 117102944Sdwmalonemain(int argc, char *argv[]) 1181590Srgrimes{ 1191590Srgrimes int ch; 1201590Srgrimes char *p; 1211590Srgrimes 12216438Sache (void) setlocale(LC_TIME, ""); 12374588Sache d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 12416438Sache 1251590Srgrimes maxrec = -1; 12677291Sdd snaptime = 0; 127118077Stjr while ((ch = getopt(argc, argv, "0123456789d:f:h:n:st:wy")) != -1) 1281590Srgrimes switch (ch) { 1291590Srgrimes case '0': case '1': case '2': case '3': case '4': 1301590Srgrimes case '5': case '6': case '7': case '8': case '9': 1311590Srgrimes /* 1321590Srgrimes * kludge: last was originally designed to take 1331590Srgrimes * a number after a dash. 1341590Srgrimes */ 1351590Srgrimes if (maxrec == -1) { 136106215Smux p = strchr(argv[optind - 1], ch); 137106215Smux if (p == NULL) 138106215Smux p = strchr(argv[optind], ch); 139106215Smux maxrec = atol(p); 1401590Srgrimes if (!maxrec) 1411590Srgrimes exit(0); 1421590Srgrimes } 1431590Srgrimes break; 14477291Sdd case 'd': 14577291Sdd snaptime = dateconv(optarg); 14677291Sdd break; 1471590Srgrimes case 'f': 1481590Srgrimes file = optarg; 1491590Srgrimes break; 1501590Srgrimes case 'h': 1511590Srgrimes hostconv(optarg); 1521590Srgrimes addarg(HOST_TYPE, optarg); 1531590Srgrimes break; 154118077Stjr case 'n': 155118077Stjr errno = 0; 156118077Stjr maxrec = strtol(optarg, &p, 10); 157118077Stjr if (p == optarg || *p != '\0' || errno != 0 || 158118077Stjr maxrec <= 0) 159118077Stjr errx(1, "%s: bad line count", optarg); 160118077Stjr break; 16136434Sdanny case 's': 16236434Sdanny sflag++; /* Show delta as seconds */ 16336434Sdanny break; 1641590Srgrimes case 't': 1651590Srgrimes addarg(TTY_TYPE, ttyconv(optarg)); 1661590Srgrimes break; 16736434Sdanny case 'w': 16836434Sdanny width = 8; 16936434Sdanny break; 17091541Siedowse case 'y': 17191541Siedowse yflag++; 17291541Siedowse break; 1731590Srgrimes case '?': 1741590Srgrimes default: 17536434Sdanny usage(); 1761590Srgrimes } 1771590Srgrimes 17836434Sdanny if (sflag && width == 8) usage(); 17936434Sdanny 1801590Srgrimes if (argc) { 1811590Srgrimes setlinebuf(stdout); 1821590Srgrimes for (argv += optind; *argv; ++argv) { 1831590Srgrimes#define COMPATIBILITY 1841590Srgrimes#ifdef COMPATIBILITY 1851590Srgrimes /* code to allow "last p5" to work */ 1861590Srgrimes addarg(TTY_TYPE, ttyconv(*argv)); 1871590Srgrimes#endif 1881590Srgrimes addarg(USER_TYPE, *argv); 1891590Srgrimes } 1901590Srgrimes } 1911590Srgrimes wtmp(); 1921590Srgrimes exit(0); 1931590Srgrimes} 1941590Srgrimes 1951590Srgrimes/* 1961590Srgrimes * wtmp -- 1971590Srgrimes * read through the wtmp file 1981590Srgrimes */ 1991590Srgrimesvoid 200102944Sdwmalonewtmp(void) 2011590Srgrimes{ 202202643Sed struct utmpx *buf = NULL; 203202197Sed struct utmpx *ut; 204202643Sed static unsigned int amount = 0; 205202197Sed time_t t; 20616438Sache char ct[80]; 20716438Sache struct tm *tm; 2081590Srgrimes 209202197Sed LIST_INIT(&idlist); 210202197Sed (void)time(&t); 21111547Sdg 212202197Sed /* Load the last entries from the file. */ 213202197Sed if (setutxdb(UTXDB_LOG, file) != 0) 2141590Srgrimes err(1, "%s", file); 215202197Sed while ((ut = getutxent()) != NULL) { 216202643Sed if (amount % 128 == 0) { 217202643Sed buf = realloc(buf, (amount + 128) * sizeof *ut); 218202643Sed if (buf == NULL) 219202643Sed err(1, "realloc"); 220202643Sed } 221202643Sed memcpy(&buf[amount++], ut, sizeof *ut); 222202197Sed if (t > ut->ut_tv.tv_sec) 223202197Sed t = ut->ut_tv.tv_sec; 224202197Sed } 225202197Sed endutxent(); 2261590Srgrimes 227202197Sed /* Display them in reverse order. */ 228202197Sed while (amount > 0) 229202643Sed doentry(&buf[--amount]); 2301590Srgrimes 23185648Sdillon tm = localtime(&t); 23278201Sdd (void) strftime(ct, sizeof(ct), "\nwtmp begins %+\n", tm); 23362871Skris printf("%s", ct); 2341590Srgrimes} 2351590Srgrimes 2361590Srgrimes/* 23791536Siedowse * doentry -- 23891536Siedowse * process a single wtmp entry 23991536Siedowse */ 24091536Siedowsevoid 241202197Seddoentry(struct utmpx *bp) 24291536Siedowse{ 243202197Sed struct idtab *tt, *ttx; /* idlist entry */ 24491536Siedowse 245202197Sed /* the machine stopped */ 246202197Sed if (bp->ut_type == BOOT_TIME || bp->ut_type == SHUTDOWN_TIME) { 24791536Siedowse /* everybody just logged out */ 248202197Sed for (tt = LIST_FIRST(&idlist); tt;) { 24991536Siedowse LIST_REMOVE(tt, list); 25091536Siedowse ttx = tt; 25191536Siedowse tt = LIST_NEXT(tt, list); 25291536Siedowse free(ttx); 25391536Siedowse } 254202197Sed currentout = -bp->ut_tv.tv_sec; 255202197Sed crmsg = bp->ut_type != SHUTDOWN_TIME ? 25691536Siedowse "crash" : "shutdown"; 25791536Siedowse /* 25891536Siedowse * if we're in snapshot mode, we want to exit if this 25991536Siedowse * shutdown/reboot appears while we we are tracking the 26091536Siedowse * active range 26191536Siedowse */ 26291536Siedowse if (snaptime && snapfound) 26391536Siedowse exit(0); 26491536Siedowse /* 26591536Siedowse * don't print shutdown/reboot entries unless flagged for 26691536Siedowse */ 26791538Siedowse if (!snaptime && want(bp)) 26891536Siedowse printentry(bp, NULL); 26991536Siedowse return; 27091536Siedowse } 271202197Sed /* date got set */ 272202197Sed if (bp->ut_type == OLD_TIME || bp->ut_type == NEW_TIME) { 27391538Siedowse if (want(bp) && !snaptime) 27491536Siedowse printentry(bp, NULL); 27591536Siedowse return; 27691536Siedowse } 277202197Sed 278202197Sed if (bp->ut_type != USER_PROCESS && bp->ut_type != DEAD_PROCESS) 279202197Sed return; 280202197Sed 281202197Sed /* find associated identifier */ 282202197Sed LIST_FOREACH(tt, &idlist, list) 283202197Sed if (!memcmp(tt->id, bp->ut_id, sizeof bp->ut_id)) 28491536Siedowse break; 28591536Siedowse 28691536Siedowse if (tt == NULL) { 28791536Siedowse /* add new one */ 288202197Sed tt = malloc(sizeof(struct idtab)); 28991536Siedowse if (tt == NULL) 29096785Sjmallett errx(1, "malloc failure"); 29191536Siedowse tt->logout = currentout; 292202197Sed memcpy(tt->id, bp->ut_id, sizeof bp->ut_id); 293202197Sed LIST_INSERT_HEAD(&idlist, tt, list); 29491536Siedowse } 29591536Siedowse 29691536Siedowse /* 29791536Siedowse * print record if not in snapshot mode and wanted 29891536Siedowse * or in snapshot mode and in snapshot range 29991536Siedowse */ 300202197Sed if (bp->ut_type == USER_PROCESS && (want(bp) || 301202197Sed (bp->ut_tv.tv_sec < snaptime && 30291536Siedowse (tt->logout > snaptime || tt->logout < 1)))) { 30391536Siedowse snapfound = 1; 30491536Siedowse printentry(bp, tt); 30591536Siedowse } 306202197Sed tt->logout = bp->ut_tv.tv_sec; 30791536Siedowse} 30891536Siedowse 30991536Siedowse/* 31091536Siedowse * printentry -- 31191536Siedowse * output an entry 31291536Siedowse * 31391536Siedowse * If `tt' is non-NULL, use it and `crmsg' to print the logout time or 31491536Siedowse * logout type (crash/shutdown) as appropriate. 31591536Siedowse */ 31691536Siedowsevoid 317202197Sedprintentry(struct utmpx *bp, struct idtab *tt) 31891536Siedowse{ 31991536Siedowse char ct[80]; 32091536Siedowse struct tm *tm; 32191536Siedowse time_t delta; /* time difference */ 32291536Siedowse time_t t; 32391536Siedowse 32491538Siedowse if (maxrec != -1 && !maxrec--) 32591538Siedowse exit(0); 326202197Sed t = bp->ut_tv.tv_sec; 32791536Siedowse tm = localtime(&t); 32891541Siedowse (void) strftime(ct, sizeof(ct), d_first ? 32991541Siedowse (yflag ? "%a %e %b %Y %R" : "%a %e %b %R") : 33091541Siedowse (yflag ? "%a %b %e %Y %R" : "%a %b %e %R"), tm); 331202197Sed switch (bp->ut_type) { 332202197Sed case BOOT_TIME: 333202197Sed printf("%-42s", "boot time"); 334202197Sed break; 335202197Sed case SHUTDOWN_TIME: 336202197Sed printf("%-42s", "shutdown time"); 337202197Sed break; 338202197Sed case OLD_TIME: 339202197Sed printf("%-42s", "old time"); 340202197Sed break; 341202197Sed case NEW_TIME: 342202197Sed printf("%-42s", "new time"); 343202197Sed break; 344202197Sed case USER_PROCESS: 345202197Sed printf("%-10s %-8s %-22.22s", 346202197Sed bp->ut_user, bp->ut_line, bp->ut_host); 347202197Sed break; 348202197Sed } 349202197Sed printf(" %s%c", ct, tt == NULL ? '\n' : ' '); 35091536Siedowse if (tt == NULL) 35191536Siedowse return; 35291536Siedowse if (!tt->logout) { 35391536Siedowse puts(" still logged in"); 35491536Siedowse return; 35591536Siedowse } 35691536Siedowse if (tt->logout < 0) { 35791536Siedowse tt->logout = -tt->logout; 35891536Siedowse printf("- %s", crmsg); 35991536Siedowse } else { 36091536Siedowse tm = localtime(&tt->logout); 36191536Siedowse (void) strftime(ct, sizeof(ct), "%R", tm); 36291536Siedowse printf("- %s", ct); 36391536Siedowse } 364202197Sed delta = tt->logout - bp->ut_tv.tv_sec; 36591536Siedowse if (sflag) { 36691536Siedowse printf(" (%8ld)\n", (long)delta); 36791536Siedowse } else { 36891536Siedowse tm = gmtime(&delta); 36991536Siedowse (void) strftime(ct, sizeof(ct), width >= 8 ? "%T" : "%R", tm); 37091536Siedowse if (delta < 86400) 37191536Siedowse printf(" (%s)\n", ct); 37291536Siedowse else 37391536Siedowse printf(" (%ld+%s)\n", (long)delta / 86400, ct); 37491536Siedowse } 37591536Siedowse} 37691536Siedowse 37791536Siedowse/* 3781590Srgrimes * want -- 3791590Srgrimes * see if want this entry 3801590Srgrimes */ 3811590Srgrimesint 382202197Sedwant(struct utmpx *bp) 3831590Srgrimes{ 3841590Srgrimes ARG *step; 3851590Srgrimes 38677291Sdd if (snaptime) 38777291Sdd return (NO); 38877291Sdd 3891590Srgrimes if (!arglist) 3901590Srgrimes return (YES); 3911590Srgrimes 3921590Srgrimes for (step = arglist; step; step = step->next) 3931590Srgrimes switch(step->type) { 3941590Srgrimes case HOST_TYPE: 395202197Sed if (!strcasecmp(step->name, bp->ut_host)) 3961590Srgrimes return (YES); 3971590Srgrimes break; 3981590Srgrimes case TTY_TYPE: 399202197Sed if (!strcmp(step->name, bp->ut_line)) 4001590Srgrimes return (YES); 4011590Srgrimes break; 4021590Srgrimes case USER_TYPE: 403202197Sed if (!strcmp(step->name, bp->ut_user)) 4041590Srgrimes return (YES); 4051590Srgrimes break; 40691536Siedowse } 4071590Srgrimes return (NO); 4081590Srgrimes} 4091590Srgrimes 4101590Srgrimes/* 4111590Srgrimes * addarg -- 4121590Srgrimes * add an entry to a linked list of arguments 4131590Srgrimes */ 4141590Srgrimesvoid 415102944Sdwmaloneaddarg(int type, char *arg) 4161590Srgrimes{ 4171590Srgrimes ARG *cur; 4181590Srgrimes 41996785Sjmallett if ((cur = malloc(sizeof(ARG))) == NULL) 42096785Sjmallett errx(1, "malloc failure"); 4211590Srgrimes cur->next = arglist; 4221590Srgrimes cur->type = type; 4231590Srgrimes cur->name = arg; 4241590Srgrimes arglist = cur; 4251590Srgrimes} 4261590Srgrimes 4271590Srgrimes/* 4281590Srgrimes * hostconv -- 4291590Srgrimes * convert the hostname to search pattern; if the supplied host name 4301590Srgrimes * has a domain attached that is the same as the current domain, rip 4311590Srgrimes * off the domain suffix since that's what login(1) does. 4321590Srgrimes */ 4331590Srgrimesvoid 434102944Sdwmalonehostconv(char *arg) 4351590Srgrimes{ 4361590Srgrimes static int first = 1; 4371590Srgrimes static char *hostdot, name[MAXHOSTNAMELEN]; 4381590Srgrimes char *argdot; 4391590Srgrimes 4401590Srgrimes if (!(argdot = strchr(arg, '.'))) 4411590Srgrimes return; 4421590Srgrimes if (first) { 4431590Srgrimes first = 0; 4441590Srgrimes if (gethostname(name, sizeof(name))) 4451590Srgrimes err(1, "gethostname"); 4461590Srgrimes hostdot = strchr(name, '.'); 4471590Srgrimes } 4481590Srgrimes if (hostdot && !strcasecmp(hostdot, argdot)) 4491590Srgrimes *argdot = '\0'; 4501590Srgrimes} 4511590Srgrimes 4521590Srgrimes/* 4531590Srgrimes * ttyconv -- 4541590Srgrimes * convert tty to correct name. 4551590Srgrimes */ 4561590Srgrimeschar * 457102944Sdwmalonettyconv(char *arg) 4581590Srgrimes{ 4591590Srgrimes char *mval; 4601590Srgrimes 4611590Srgrimes /* 4621590Srgrimes * kludge -- we assume that all tty's end with 4631590Srgrimes * a two character suffix. 4641590Srgrimes */ 4651590Srgrimes if (strlen(arg) == 2) { 4661590Srgrimes /* either 6 for "ttyxx" or 8 for "console" */ 46796785Sjmallett if ((mval = malloc(8)) == NULL) 46896785Sjmallett errx(1, "malloc failure"); 4691590Srgrimes if (!strcmp(arg, "co")) 4701590Srgrimes (void)strcpy(mval, "console"); 4711590Srgrimes else { 4721590Srgrimes (void)strcpy(mval, "tty"); 4731590Srgrimes (void)strcpy(mval + 3, arg); 4741590Srgrimes } 4751590Srgrimes return (mval); 4761590Srgrimes } 4771590Srgrimes if (!strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1)) 4781590Srgrimes return (arg + 5); 4791590Srgrimes return (arg); 4801590Srgrimes} 4811590Srgrimes 4821590Srgrimes/* 48377291Sdd * dateconv -- 48477291Sdd * Convert the snapshot time in command line given in the format 48577291Sdd * [[CC]YY]MMDDhhmm[.SS]] to a time_t. 48677291Sdd * Derived from atime_arg1() in usr.bin/touch/touch.c 48777291Sdd */ 48877291Sddtime_t 489102944Sdwmalonedateconv(char *arg) 49077291Sdd{ 49177291Sdd time_t timet; 49277291Sdd struct tm *t; 49377291Sdd int yearset; 49477291Sdd char *p; 49577291Sdd 49677291Sdd /* Start with the current time. */ 49777291Sdd if (time(&timet) < 0) 49877291Sdd err(1, "time"); 49977291Sdd if ((t = localtime(&timet)) == NULL) 50077291Sdd err(1, "localtime"); 50177291Sdd 50277291Sdd /* [[CC]YY]MMDDhhmm[.SS] */ 50377291Sdd if ((p = strchr(arg, '.')) == NULL) 50477291Sdd t->tm_sec = 0; /* Seconds defaults to 0. */ 50577291Sdd else { 50677291Sdd if (strlen(p + 1) != 2) 50777291Sdd goto terr; 50877291Sdd *p++ = '\0'; 50977291Sdd t->tm_sec = ATOI2(p); 51077291Sdd } 51177291Sdd 51277291Sdd yearset = 0; 51377291Sdd switch (strlen(arg)) { 51477291Sdd case 12: /* CCYYMMDDhhmm */ 51577291Sdd t->tm_year = ATOI2(arg); 51677291Sdd t->tm_year *= 100; 51777291Sdd yearset = 1; 518133332Sdwmalone /* FALLTHROUGH */ 51977291Sdd case 10: /* YYMMDDhhmm */ 52077291Sdd if (yearset) { 52177291Sdd yearset = ATOI2(arg); 52277291Sdd t->tm_year += yearset; 52377291Sdd } else { 52477291Sdd yearset = ATOI2(arg); 52577291Sdd if (yearset < 69) 52677291Sdd t->tm_year = yearset + 2000; 52777291Sdd else 52877291Sdd t->tm_year = yearset + 1900; 52977291Sdd } 53077291Sdd t->tm_year -= 1900; /* Convert to UNIX time. */ 53177291Sdd /* FALLTHROUGH */ 53277291Sdd case 8: /* MMDDhhmm */ 53377291Sdd t->tm_mon = ATOI2(arg); 53477291Sdd --t->tm_mon; /* Convert from 01-12 to 00-11 */ 53577291Sdd t->tm_mday = ATOI2(arg); 53677291Sdd t->tm_hour = ATOI2(arg); 53777291Sdd t->tm_min = ATOI2(arg); 53877291Sdd break; 53977291Sdd case 4: /* hhmm */ 54077291Sdd t->tm_hour = ATOI2(arg); 54177291Sdd t->tm_min = ATOI2(arg); 54277291Sdd break; 54377291Sdd default: 54477291Sdd goto terr; 54577291Sdd } 54677291Sdd t->tm_isdst = -1; /* Figure out DST. */ 54777291Sdd timet = mktime(t); 54877291Sdd if (timet == -1) 54977291Sddterr: errx(1, 55077291Sdd "out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]"); 55177291Sdd return timet; 55277291Sdd} 553