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: releng/10.3/usr.bin/last/last.c 286952 2015-08-20 08:34:13Z ed $"); 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 */ 67286952Sed#define REBOOT_TYPE -1 681590Srgrimes#define HOST_TYPE -2 691590Srgrimes#define TTY_TYPE -3 701590Srgrimes#define USER_TYPE -4 711590Srgrimes int type; /* type of arg */ 721590Srgrimes struct arg *next; /* linked list pointer */ 731590Srgrimes} ARG; 74227168Sedstatic ARG *arglist; /* head of linked list */ 751590Srgrimes 76240425Sedstatic SLIST_HEAD(, idtab) idlist; 7711547Sdg 78202197Sedstruct idtab { 7936062Sjb time_t logout; /* log out time */ 80202197Sed char id[sizeof ((struct utmpx *)0)->ut_id]; /* identifier */ 81240425Sed SLIST_ENTRY(idtab) list; 8211547Sdg}; 831590Srgrimes 8491536Siedowsestatic const char *crmsg; /* cause of last reboot */ 85202197Sedstatic time_t currentout; /* current logout value */ 86202197Sedstatic long maxrec; /* records to display */ 87230458Shrsstatic const char *file = NULL; /* utx.log file */ 8836434Sdannystatic int sflag = 0; /* show delta in seconds */ 8936434Sdannystatic int width = 5; /* show seconds in delta */ 9091541Siedowsestatic int yflag; /* show year */ 9174588Sachestatic int d_first; 9291538Siedowsestatic int snapfound = 0; /* found snapshot entry? */ 9377291Sddstatic time_t snaptime; /* if != 0, we will only 9477291Sdd * report users logged in 9577291Sdd * at this snapshot time 9677291Sdd */ 971590Srgrimes 98227168Sedstatic void addarg(int, char *); 99227168Sedstatic time_t dateconv(char *); 100227168Sedstatic void doentry(struct utmpx *); 101227168Sedstatic void hostconv(char *); 102227168Sedstatic void printentry(struct utmpx *, struct idtab *); 103227168Sedstatic char *ttyconv(char *); 104227168Sedstatic int want(struct utmpx *); 105227168Sedstatic void usage(void); 106227168Sedstatic void wtmp(void); 1071590Srgrimes 108227168Sedstatic void 10936434Sdannyusage(void) 11036434Sdanny{ 11136434Sdanny (void)fprintf(stderr, 112119023Stjr"usage: last [-swy] [-d [[CC]YY][MMDD]hhmm[.SS]] [-f file] [-h host]\n" 113119023Stjr" [-n maxrec] [-t tty] [user ...]\n"); 11436434Sdanny exit(1); 11536434Sdanny} 11636434Sdanny 1171590Srgrimesint 118102944Sdwmalonemain(int argc, char *argv[]) 1191590Srgrimes{ 1201590Srgrimes int ch; 1211590Srgrimes char *p; 1221590Srgrimes 12316438Sache (void) setlocale(LC_TIME, ""); 12474588Sache d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 12516438Sache 1261590Srgrimes maxrec = -1; 12777291Sdd snaptime = 0; 128118077Stjr while ((ch = getopt(argc, argv, "0123456789d:f:h:n:st:wy")) != -1) 1291590Srgrimes switch (ch) { 1301590Srgrimes case '0': case '1': case '2': case '3': case '4': 1311590Srgrimes case '5': case '6': case '7': case '8': case '9': 1321590Srgrimes /* 1331590Srgrimes * kludge: last was originally designed to take 1341590Srgrimes * a number after a dash. 1351590Srgrimes */ 1361590Srgrimes if (maxrec == -1) { 137106215Smux p = strchr(argv[optind - 1], ch); 138106215Smux if (p == NULL) 139106215Smux p = strchr(argv[optind], ch); 140106215Smux maxrec = atol(p); 1411590Srgrimes if (!maxrec) 1421590Srgrimes exit(0); 1431590Srgrimes } 1441590Srgrimes break; 14577291Sdd case 'd': 14677291Sdd snaptime = dateconv(optarg); 14777291Sdd break; 1481590Srgrimes case 'f': 1491590Srgrimes file = optarg; 1501590Srgrimes break; 1511590Srgrimes case 'h': 1521590Srgrimes hostconv(optarg); 1531590Srgrimes addarg(HOST_TYPE, optarg); 1541590Srgrimes break; 155118077Stjr case 'n': 156118077Stjr errno = 0; 157118077Stjr maxrec = strtol(optarg, &p, 10); 158118077Stjr if (p == optarg || *p != '\0' || errno != 0 || 159118077Stjr maxrec <= 0) 160118077Stjr errx(1, "%s: bad line count", optarg); 161118077Stjr break; 16236434Sdanny case 's': 16336434Sdanny sflag++; /* Show delta as seconds */ 16436434Sdanny break; 1651590Srgrimes case 't': 1661590Srgrimes addarg(TTY_TYPE, ttyconv(optarg)); 1671590Srgrimes break; 16836434Sdanny case 'w': 16936434Sdanny width = 8; 17036434Sdanny break; 17191541Siedowse case 'y': 17291541Siedowse yflag++; 17391541Siedowse break; 1741590Srgrimes case '?': 1751590Srgrimes default: 17636434Sdanny usage(); 1771590Srgrimes } 1781590Srgrimes 17936434Sdanny if (sflag && width == 8) usage(); 18036434Sdanny 1811590Srgrimes if (argc) { 1821590Srgrimes setlinebuf(stdout); 1831590Srgrimes for (argv += optind; *argv; ++argv) { 184286952Sed if (strcmp(*argv, "reboot") == 0) 185286952Sed addarg(REBOOT_TYPE, *argv); 1861590Srgrimes#define COMPATIBILITY 1871590Srgrimes#ifdef COMPATIBILITY 1881590Srgrimes /* code to allow "last p5" to work */ 1891590Srgrimes addarg(TTY_TYPE, ttyconv(*argv)); 1901590Srgrimes#endif 1911590Srgrimes addarg(USER_TYPE, *argv); 1921590Srgrimes } 1931590Srgrimes } 1941590Srgrimes wtmp(); 1951590Srgrimes exit(0); 1961590Srgrimes} 1971590Srgrimes 1981590Srgrimes/* 1991590Srgrimes * wtmp -- 200230458Shrs * read through the utx.log file 2011590Srgrimes */ 202227168Sedstatic void 203102944Sdwmalonewtmp(void) 2041590Srgrimes{ 205202643Sed struct utmpx *buf = NULL; 206202197Sed struct utmpx *ut; 207202643Sed static unsigned int amount = 0; 208202197Sed time_t t; 20916438Sache char ct[80]; 21016438Sache struct tm *tm; 2111590Srgrimes 212240425Sed SLIST_INIT(&idlist); 213202197Sed (void)time(&t); 21411547Sdg 215202197Sed /* Load the last entries from the file. */ 216202197Sed if (setutxdb(UTXDB_LOG, file) != 0) 2171590Srgrimes err(1, "%s", file); 218202197Sed while ((ut = getutxent()) != NULL) { 219202643Sed if (amount % 128 == 0) { 220202643Sed buf = realloc(buf, (amount + 128) * sizeof *ut); 221202643Sed if (buf == NULL) 222202643Sed err(1, "realloc"); 223202643Sed } 224202643Sed memcpy(&buf[amount++], ut, sizeof *ut); 225202197Sed if (t > ut->ut_tv.tv_sec) 226202197Sed t = ut->ut_tv.tv_sec; 227202197Sed } 228202197Sed endutxent(); 2291590Srgrimes 230202197Sed /* Display them in reverse order. */ 231202197Sed while (amount > 0) 232202643Sed doentry(&buf[--amount]); 2331590Srgrimes 23485648Sdillon tm = localtime(&t); 235230458Shrs (void) strftime(ct, sizeof(ct), "%+", tm); 236230458Shrs printf("\n%s begins %s\n", ((file == NULL) ? "utx.log" : file), ct); 2371590Srgrimes} 2381590Srgrimes 2391590Srgrimes/* 24091536Siedowse * doentry -- 241230458Shrs * process a single utx.log entry 24291536Siedowse */ 243227168Sedstatic void 244202197Seddoentry(struct utmpx *bp) 24591536Siedowse{ 246240425Sed struct idtab *tt; 24791536Siedowse 248202197Sed /* the machine stopped */ 249202197Sed if (bp->ut_type == BOOT_TIME || bp->ut_type == SHUTDOWN_TIME) { 25091536Siedowse /* everybody just logged out */ 251240425Sed while ((tt = SLIST_FIRST(&idlist)) != NULL) { 252240425Sed SLIST_REMOVE_HEAD(&idlist, list); 253240425Sed free(tt); 25491536Siedowse } 255202197Sed currentout = -bp->ut_tv.tv_sec; 256202197Sed crmsg = bp->ut_type != SHUTDOWN_TIME ? 25791536Siedowse "crash" : "shutdown"; 25891536Siedowse /* 25991536Siedowse * if we're in snapshot mode, we want to exit if this 26091536Siedowse * shutdown/reboot appears while we we are tracking the 26191536Siedowse * active range 26291536Siedowse */ 26391536Siedowse if (snaptime && snapfound) 26491536Siedowse exit(0); 26591536Siedowse /* 26691536Siedowse * don't print shutdown/reboot entries unless flagged for 26791536Siedowse */ 26891538Siedowse if (!snaptime && want(bp)) 26991536Siedowse printentry(bp, NULL); 27091536Siedowse return; 27191536Siedowse } 272202197Sed /* date got set */ 273202197Sed if (bp->ut_type == OLD_TIME || bp->ut_type == NEW_TIME) { 27491538Siedowse if (want(bp) && !snaptime) 27591536Siedowse printentry(bp, NULL); 27691536Siedowse return; 27791536Siedowse } 278202197Sed 279202197Sed if (bp->ut_type != USER_PROCESS && bp->ut_type != DEAD_PROCESS) 280202197Sed return; 281202197Sed 282202197Sed /* find associated identifier */ 283240425Sed SLIST_FOREACH(tt, &idlist, list) 284202197Sed if (!memcmp(tt->id, bp->ut_id, sizeof bp->ut_id)) 28591536Siedowse break; 28691536Siedowse 28791536Siedowse if (tt == NULL) { 28891536Siedowse /* add new one */ 289202197Sed tt = malloc(sizeof(struct idtab)); 29091536Siedowse if (tt == NULL) 29196785Sjmallett errx(1, "malloc failure"); 29291536Siedowse tt->logout = currentout; 293202197Sed memcpy(tt->id, bp->ut_id, sizeof bp->ut_id); 294240425Sed SLIST_INSERT_HEAD(&idlist, tt, list); 29591536Siedowse } 29691536Siedowse 29791536Siedowse /* 29891536Siedowse * print record if not in snapshot mode and wanted 29991536Siedowse * or in snapshot mode and in snapshot range 30091536Siedowse */ 301202197Sed if (bp->ut_type == USER_PROCESS && (want(bp) || 302202197Sed (bp->ut_tv.tv_sec < snaptime && 30391536Siedowse (tt->logout > snaptime || tt->logout < 1)))) { 30491536Siedowse snapfound = 1; 30591536Siedowse printentry(bp, tt); 30691536Siedowse } 307202197Sed tt->logout = bp->ut_tv.tv_sec; 30891536Siedowse} 30991536Siedowse 31091536Siedowse/* 31191536Siedowse * printentry -- 31291536Siedowse * output an entry 31391536Siedowse * 31491536Siedowse * If `tt' is non-NULL, use it and `crmsg' to print the logout time or 31591536Siedowse * logout type (crash/shutdown) as appropriate. 31691536Siedowse */ 317227168Sedstatic void 318202197Sedprintentry(struct utmpx *bp, struct idtab *tt) 31991536Siedowse{ 32091536Siedowse char ct[80]; 32191536Siedowse struct tm *tm; 32291536Siedowse time_t delta; /* time difference */ 32391536Siedowse time_t t; 32491536Siedowse 32591538Siedowse if (maxrec != -1 && !maxrec--) 32691538Siedowse exit(0); 327202197Sed t = bp->ut_tv.tv_sec; 32891536Siedowse tm = localtime(&t); 32991541Siedowse (void) strftime(ct, sizeof(ct), d_first ? 33091541Siedowse (yflag ? "%a %e %b %Y %R" : "%a %e %b %R") : 33191541Siedowse (yflag ? "%a %b %e %Y %R" : "%a %b %e %R"), tm); 332202197Sed switch (bp->ut_type) { 333202197Sed case BOOT_TIME: 334202197Sed printf("%-42s", "boot time"); 335202197Sed break; 336202197Sed case SHUTDOWN_TIME: 337202197Sed printf("%-42s", "shutdown time"); 338202197Sed break; 339202197Sed case OLD_TIME: 340202197Sed printf("%-42s", "old time"); 341202197Sed break; 342202197Sed case NEW_TIME: 343202197Sed printf("%-42s", "new time"); 344202197Sed break; 345202197Sed case USER_PROCESS: 346202197Sed printf("%-10s %-8s %-22.22s", 347202197Sed bp->ut_user, bp->ut_line, bp->ut_host); 348202197Sed break; 349202197Sed } 350202197Sed printf(" %s%c", ct, tt == NULL ? '\n' : ' '); 35191536Siedowse if (tt == NULL) 35291536Siedowse return; 35391536Siedowse if (!tt->logout) { 35491536Siedowse puts(" still logged in"); 35591536Siedowse return; 35691536Siedowse } 35791536Siedowse if (tt->logout < 0) { 35891536Siedowse tt->logout = -tt->logout; 35991536Siedowse printf("- %s", crmsg); 36091536Siedowse } else { 36191536Siedowse tm = localtime(&tt->logout); 36291536Siedowse (void) strftime(ct, sizeof(ct), "%R", tm); 36391536Siedowse printf("- %s", ct); 36491536Siedowse } 365202197Sed delta = tt->logout - bp->ut_tv.tv_sec; 36691536Siedowse if (sflag) { 36791536Siedowse printf(" (%8ld)\n", (long)delta); 36891536Siedowse } else { 36991536Siedowse tm = gmtime(&delta); 37091536Siedowse (void) strftime(ct, sizeof(ct), width >= 8 ? "%T" : "%R", tm); 37191536Siedowse if (delta < 86400) 37291536Siedowse printf(" (%s)\n", ct); 37391536Siedowse else 37491536Siedowse printf(" (%ld+%s)\n", (long)delta / 86400, ct); 37591536Siedowse } 37691536Siedowse} 37791536Siedowse 37891536Siedowse/* 3791590Srgrimes * want -- 3801590Srgrimes * see if want this entry 3811590Srgrimes */ 382227168Sedstatic int 383202197Sedwant(struct utmpx *bp) 3841590Srgrimes{ 3851590Srgrimes ARG *step; 3861590Srgrimes 38777291Sdd if (snaptime) 38877291Sdd return (NO); 38977291Sdd 3901590Srgrimes if (!arglist) 3911590Srgrimes return (YES); 3921590Srgrimes 3931590Srgrimes for (step = arglist; step; step = step->next) 3941590Srgrimes switch(step->type) { 395286952Sed case REBOOT_TYPE: 396286952Sed if (bp->ut_type == BOOT_TIME || 397286952Sed bp->ut_type == SHUTDOWN_TIME) 398286952Sed return (YES); 399286952Sed break; 4001590Srgrimes case HOST_TYPE: 401202197Sed if (!strcasecmp(step->name, bp->ut_host)) 4021590Srgrimes return (YES); 4031590Srgrimes break; 4041590Srgrimes case TTY_TYPE: 405202197Sed if (!strcmp(step->name, bp->ut_line)) 4061590Srgrimes return (YES); 4071590Srgrimes break; 4081590Srgrimes case USER_TYPE: 409202197Sed if (!strcmp(step->name, bp->ut_user)) 4101590Srgrimes return (YES); 4111590Srgrimes break; 41291536Siedowse } 4131590Srgrimes return (NO); 4141590Srgrimes} 4151590Srgrimes 4161590Srgrimes/* 4171590Srgrimes * addarg -- 4181590Srgrimes * add an entry to a linked list of arguments 4191590Srgrimes */ 420227168Sedstatic void 421102944Sdwmaloneaddarg(int type, char *arg) 4221590Srgrimes{ 4231590Srgrimes ARG *cur; 4241590Srgrimes 42596785Sjmallett if ((cur = malloc(sizeof(ARG))) == NULL) 42696785Sjmallett errx(1, "malloc failure"); 4271590Srgrimes cur->next = arglist; 4281590Srgrimes cur->type = type; 4291590Srgrimes cur->name = arg; 4301590Srgrimes arglist = cur; 4311590Srgrimes} 4321590Srgrimes 4331590Srgrimes/* 4341590Srgrimes * hostconv -- 4351590Srgrimes * convert the hostname to search pattern; if the supplied host name 4361590Srgrimes * has a domain attached that is the same as the current domain, rip 4371590Srgrimes * off the domain suffix since that's what login(1) does. 4381590Srgrimes */ 439227168Sedstatic void 440102944Sdwmalonehostconv(char *arg) 4411590Srgrimes{ 4421590Srgrimes static int first = 1; 4431590Srgrimes static char *hostdot, name[MAXHOSTNAMELEN]; 4441590Srgrimes char *argdot; 4451590Srgrimes 4461590Srgrimes if (!(argdot = strchr(arg, '.'))) 4471590Srgrimes return; 4481590Srgrimes if (first) { 4491590Srgrimes first = 0; 4501590Srgrimes if (gethostname(name, sizeof(name))) 4511590Srgrimes err(1, "gethostname"); 4521590Srgrimes hostdot = strchr(name, '.'); 4531590Srgrimes } 4541590Srgrimes if (hostdot && !strcasecmp(hostdot, argdot)) 4551590Srgrimes *argdot = '\0'; 4561590Srgrimes} 4571590Srgrimes 4581590Srgrimes/* 4591590Srgrimes * ttyconv -- 4601590Srgrimes * convert tty to correct name. 4611590Srgrimes */ 462227168Sedstatic char * 463102944Sdwmalonettyconv(char *arg) 4641590Srgrimes{ 4651590Srgrimes char *mval; 4661590Srgrimes 4671590Srgrimes /* 4681590Srgrimes * kludge -- we assume that all tty's end with 4691590Srgrimes * a two character suffix. 4701590Srgrimes */ 4711590Srgrimes if (strlen(arg) == 2) { 4721590Srgrimes /* either 6 for "ttyxx" or 8 for "console" */ 47396785Sjmallett if ((mval = malloc(8)) == NULL) 47496785Sjmallett errx(1, "malloc failure"); 4751590Srgrimes if (!strcmp(arg, "co")) 4761590Srgrimes (void)strcpy(mval, "console"); 4771590Srgrimes else { 4781590Srgrimes (void)strcpy(mval, "tty"); 4791590Srgrimes (void)strcpy(mval + 3, arg); 4801590Srgrimes } 4811590Srgrimes return (mval); 4821590Srgrimes } 4831590Srgrimes if (!strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1)) 4841590Srgrimes return (arg + 5); 4851590Srgrimes return (arg); 4861590Srgrimes} 4871590Srgrimes 4881590Srgrimes/* 48977291Sdd * dateconv -- 49077291Sdd * Convert the snapshot time in command line given in the format 49177291Sdd * [[CC]YY]MMDDhhmm[.SS]] to a time_t. 49277291Sdd * Derived from atime_arg1() in usr.bin/touch/touch.c 49377291Sdd */ 494227168Sedstatic time_t 495102944Sdwmalonedateconv(char *arg) 49677291Sdd{ 49777291Sdd time_t timet; 49877291Sdd struct tm *t; 49977291Sdd int yearset; 50077291Sdd char *p; 50177291Sdd 50277291Sdd /* Start with the current time. */ 50377291Sdd if (time(&timet) < 0) 50477291Sdd err(1, "time"); 50577291Sdd if ((t = localtime(&timet)) == NULL) 50677291Sdd err(1, "localtime"); 50777291Sdd 50877291Sdd /* [[CC]YY]MMDDhhmm[.SS] */ 50977291Sdd if ((p = strchr(arg, '.')) == NULL) 51077291Sdd t->tm_sec = 0; /* Seconds defaults to 0. */ 51177291Sdd else { 51277291Sdd if (strlen(p + 1) != 2) 51377291Sdd goto terr; 51477291Sdd *p++ = '\0'; 51577291Sdd t->tm_sec = ATOI2(p); 51677291Sdd } 51777291Sdd 51877291Sdd yearset = 0; 51977291Sdd switch (strlen(arg)) { 52077291Sdd case 12: /* CCYYMMDDhhmm */ 52177291Sdd t->tm_year = ATOI2(arg); 52277291Sdd t->tm_year *= 100; 52377291Sdd yearset = 1; 524133332Sdwmalone /* FALLTHROUGH */ 52577291Sdd case 10: /* YYMMDDhhmm */ 52677291Sdd if (yearset) { 52777291Sdd yearset = ATOI2(arg); 52877291Sdd t->tm_year += yearset; 52977291Sdd } else { 53077291Sdd yearset = ATOI2(arg); 53177291Sdd if (yearset < 69) 53277291Sdd t->tm_year = yearset + 2000; 53377291Sdd else 53477291Sdd t->tm_year = yearset + 1900; 53577291Sdd } 53677291Sdd t->tm_year -= 1900; /* Convert to UNIX time. */ 53777291Sdd /* FALLTHROUGH */ 53877291Sdd case 8: /* MMDDhhmm */ 53977291Sdd t->tm_mon = ATOI2(arg); 54077291Sdd --t->tm_mon; /* Convert from 01-12 to 00-11 */ 54177291Sdd t->tm_mday = ATOI2(arg); 54277291Sdd t->tm_hour = ATOI2(arg); 54377291Sdd t->tm_min = ATOI2(arg); 54477291Sdd break; 54577291Sdd case 4: /* hhmm */ 54677291Sdd t->tm_hour = ATOI2(arg); 54777291Sdd t->tm_min = ATOI2(arg); 54877291Sdd break; 54977291Sdd default: 55077291Sdd goto terr; 55177291Sdd } 55277291Sdd t->tm_isdst = -1; /* Figure out DST. */ 55377291Sdd timet = mktime(t); 55477291Sdd if (timet == -1) 55577291Sddterr: errx(1, 55677291Sdd "out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]"); 55777291Sdd return timet; 55877291Sdd} 559