last.c revision 202643
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 * 3. All advertising materials mentioning features or use of this software 141590Srgrimes * must display the following acknowledgement: 151590Srgrimes * This product includes software developed by the University of 161590Srgrimes * California, Berkeley and its contributors. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 321590Srgrimes */ 331590Srgrimes 341590Srgrimes#ifndef lint 3578201Sddstatic const char copyright[] = 361590Srgrimes"@(#) Copyright (c) 1987, 1993, 1994\n\ 371590Srgrimes The Regents of the University of California. All rights reserved.\n"; 381590Srgrimes#endif /* not lint */ 391590Srgrimes 401590Srgrimes#ifndef lint 4178201Sddstatic const char sccsid[] = "@(#)last.c 8.2 (Berkeley) 4/2/94"; 421590Srgrimes#endif /* not lint */ 4399112Sobrien#include <sys/cdefs.h> 4499112Sobrien__FBSDID("$FreeBSD: head/usr.bin/last/last.c 202643 2010-01-19 19:53:05Z ed $"); 451590Srgrimes 461590Srgrimes#include <sys/param.h> 471590Srgrimes#include <sys/stat.h> 481590Srgrimes 491590Srgrimes#include <err.h> 50118077Stjr#include <errno.h> 511590Srgrimes#include <fcntl.h> 5274588Sache#include <langinfo.h> 5316438Sache#include <locale.h> 541590Srgrimes#include <paths.h> 551590Srgrimes#include <signal.h> 561590Srgrimes#include <stdio.h> 571590Srgrimes#include <stdlib.h> 581590Srgrimes#include <string.h> 591590Srgrimes#include <time.h> 60125856Sdwmalone#include <timeconv.h> 611590Srgrimes#include <unistd.h> 62202197Sed#include <utmpx.h> 6311547Sdg#include <sys/queue.h> 641590Srgrimes 651590Srgrimes#define NO 0 /* false/no */ 661590Srgrimes#define YES 1 /* true/yes */ 6777291Sdd#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2; 681590Srgrimes 691590Srgrimestypedef struct arg { 701590Srgrimes char *name; /* argument */ 711590Srgrimes#define HOST_TYPE -2 721590Srgrimes#define TTY_TYPE -3 731590Srgrimes#define USER_TYPE -4 741590Srgrimes int type; /* type of arg */ 751590Srgrimes struct arg *next; /* linked list pointer */ 761590Srgrimes} ARG; 771590SrgrimesARG *arglist; /* head of linked list */ 781590Srgrimes 79202197SedLIST_HEAD(idlisthead, idtab) idlist; 8011547Sdg 81202197Sedstruct idtab { 8236062Sjb time_t logout; /* log out time */ 83202197Sed char id[sizeof ((struct utmpx *)0)->ut_id]; /* identifier */ 84202197Sed LIST_ENTRY(idtab) list; 8511547Sdg}; 861590Srgrimes 8791536Siedowsestatic const char *crmsg; /* cause of last reboot */ 88202197Sedstatic time_t currentout; /* current logout value */ 89202197Sedstatic long maxrec; /* records to display */ 90202197Sedstatic const char *file = NULL; /* wtmp file */ 9136434Sdannystatic int sflag = 0; /* show delta in seconds */ 9236434Sdannystatic int width = 5; /* show seconds in delta */ 9391541Siedowsestatic int yflag; /* show year */ 9474588Sachestatic int d_first; 9591538Siedowsestatic int snapfound = 0; /* found snapshot entry? */ 9677291Sddstatic time_t snaptime; /* if != 0, we will only 9777291Sdd * report users logged in 9877291Sdd * at this snapshot time 9977291Sdd */ 1001590Srgrimes 10192920Simpvoid addarg(int, char *); 10292920Simptime_t dateconv(char *); 103202197Sedvoid doentry(struct utmpx *); 10492920Simpvoid hostconv(char *); 105202197Sedvoid printentry(struct utmpx *, struct idtab *); 10692920Simpchar *ttyconv(char *); 107202197Sedint want(struct utmpx *); 10892920Simpvoid usage(void); 10992920Simpvoid wtmp(void); 1101590Srgrimes 11136434Sdannyvoid 11236434Sdannyusage(void) 11336434Sdanny{ 11436434Sdanny (void)fprintf(stderr, 115119023Stjr"usage: last [-swy] [-d [[CC]YY][MMDD]hhmm[.SS]] [-f file] [-h host]\n" 116119023Stjr" [-n maxrec] [-t tty] [user ...]\n"); 11736434Sdanny exit(1); 11836434Sdanny} 11936434Sdanny 1201590Srgrimesint 121102944Sdwmalonemain(int argc, char *argv[]) 1221590Srgrimes{ 1231590Srgrimes int ch; 1241590Srgrimes char *p; 1251590Srgrimes 12616438Sache (void) setlocale(LC_TIME, ""); 12774588Sache d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 12816438Sache 1291590Srgrimes maxrec = -1; 13077291Sdd snaptime = 0; 131118077Stjr while ((ch = getopt(argc, argv, "0123456789d:f:h:n:st:wy")) != -1) 1321590Srgrimes switch (ch) { 1331590Srgrimes case '0': case '1': case '2': case '3': case '4': 1341590Srgrimes case '5': case '6': case '7': case '8': case '9': 1351590Srgrimes /* 1361590Srgrimes * kludge: last was originally designed to take 1371590Srgrimes * a number after a dash. 1381590Srgrimes */ 1391590Srgrimes if (maxrec == -1) { 140106215Smux p = strchr(argv[optind - 1], ch); 141106215Smux if (p == NULL) 142106215Smux p = strchr(argv[optind], ch); 143106215Smux maxrec = atol(p); 1441590Srgrimes if (!maxrec) 1451590Srgrimes exit(0); 1461590Srgrimes } 1471590Srgrimes break; 14877291Sdd case 'd': 14977291Sdd snaptime = dateconv(optarg); 15077291Sdd break; 1511590Srgrimes case 'f': 1521590Srgrimes file = optarg; 1531590Srgrimes break; 1541590Srgrimes case 'h': 1551590Srgrimes hostconv(optarg); 1561590Srgrimes addarg(HOST_TYPE, optarg); 1571590Srgrimes break; 158118077Stjr case 'n': 159118077Stjr errno = 0; 160118077Stjr maxrec = strtol(optarg, &p, 10); 161118077Stjr if (p == optarg || *p != '\0' || errno != 0 || 162118077Stjr maxrec <= 0) 163118077Stjr errx(1, "%s: bad line count", optarg); 164118077Stjr break; 16536434Sdanny case 's': 16636434Sdanny sflag++; /* Show delta as seconds */ 16736434Sdanny break; 1681590Srgrimes case 't': 1691590Srgrimes addarg(TTY_TYPE, ttyconv(optarg)); 1701590Srgrimes break; 17136434Sdanny case 'w': 17236434Sdanny width = 8; 17336434Sdanny break; 17491541Siedowse case 'y': 17591541Siedowse yflag++; 17691541Siedowse break; 1771590Srgrimes case '?': 1781590Srgrimes default: 17936434Sdanny usage(); 1801590Srgrimes } 1811590Srgrimes 18236434Sdanny if (sflag && width == 8) usage(); 18336434Sdanny 1841590Srgrimes if (argc) { 1851590Srgrimes setlinebuf(stdout); 1861590Srgrimes for (argv += optind; *argv; ++argv) { 1871590Srgrimes#define COMPATIBILITY 1881590Srgrimes#ifdef COMPATIBILITY 1891590Srgrimes /* code to allow "last p5" to work */ 1901590Srgrimes addarg(TTY_TYPE, ttyconv(*argv)); 1911590Srgrimes#endif 1921590Srgrimes addarg(USER_TYPE, *argv); 1931590Srgrimes } 1941590Srgrimes } 1951590Srgrimes wtmp(); 1961590Srgrimes exit(0); 1971590Srgrimes} 1981590Srgrimes 1991590Srgrimes/* 2001590Srgrimes * wtmp -- 2011590Srgrimes * read through the wtmp file 2021590Srgrimes */ 2031590Srgrimesvoid 204102944Sdwmalonewtmp(void) 2051590Srgrimes{ 206202643Sed struct utmpx *buf = NULL; 207202197Sed struct utmpx *ut; 208202643Sed static unsigned int amount = 0; 209202197Sed time_t t; 21016438Sache char ct[80]; 21116438Sache struct tm *tm; 2121590Srgrimes 213202197Sed LIST_INIT(&idlist); 214202197Sed (void)time(&t); 21511547Sdg 216202197Sed /* Load the last entries from the file. */ 217202197Sed if (setutxdb(UTXDB_LOG, file) != 0) 2181590Srgrimes err(1, "%s", file); 219202197Sed while ((ut = getutxent()) != NULL) { 220202643Sed if (amount % 128 == 0) { 221202643Sed buf = realloc(buf, (amount + 128) * sizeof *ut); 222202643Sed if (buf == NULL) 223202643Sed err(1, "realloc"); 224202643Sed } 225202643Sed memcpy(&buf[amount++], ut, sizeof *ut); 226202197Sed if (t > ut->ut_tv.tv_sec) 227202197Sed t = ut->ut_tv.tv_sec; 228202197Sed } 229202197Sed endutxent(); 2301590Srgrimes 231202197Sed /* Display them in reverse order. */ 232202197Sed while (amount > 0) 233202643Sed doentry(&buf[--amount]); 2341590Srgrimes 23585648Sdillon tm = localtime(&t); 23678201Sdd (void) strftime(ct, sizeof(ct), "\nwtmp begins %+\n", tm); 23762871Skris printf("%s", ct); 2381590Srgrimes} 2391590Srgrimes 2401590Srgrimes/* 24191536Siedowse * doentry -- 24291536Siedowse * process a single wtmp entry 24391536Siedowse */ 24491536Siedowsevoid 245202197Seddoentry(struct utmpx *bp) 24691536Siedowse{ 247202197Sed struct idtab *tt, *ttx; /* idlist entry */ 24891536Siedowse 249202197Sed /* the machine stopped */ 250202197Sed if (bp->ut_type == BOOT_TIME || bp->ut_type == SHUTDOWN_TIME) { 25191536Siedowse /* everybody just logged out */ 252202197Sed for (tt = LIST_FIRST(&idlist); tt;) { 25391536Siedowse LIST_REMOVE(tt, list); 25491536Siedowse ttx = tt; 25591536Siedowse tt = LIST_NEXT(tt, list); 25691536Siedowse free(ttx); 25791536Siedowse } 258202197Sed currentout = -bp->ut_tv.tv_sec; 259202197Sed crmsg = bp->ut_type != SHUTDOWN_TIME ? 26091536Siedowse "crash" : "shutdown"; 26191536Siedowse /* 26291536Siedowse * if we're in snapshot mode, we want to exit if this 26391536Siedowse * shutdown/reboot appears while we we are tracking the 26491536Siedowse * active range 26591536Siedowse */ 26691536Siedowse if (snaptime && snapfound) 26791536Siedowse exit(0); 26891536Siedowse /* 26991536Siedowse * don't print shutdown/reboot entries unless flagged for 27091536Siedowse */ 27191538Siedowse if (!snaptime && want(bp)) 27291536Siedowse printentry(bp, NULL); 27391536Siedowse return; 27491536Siedowse } 275202197Sed /* date got set */ 276202197Sed if (bp->ut_type == OLD_TIME || bp->ut_type == NEW_TIME) { 27791538Siedowse if (want(bp) && !snaptime) 27891536Siedowse printentry(bp, NULL); 27991536Siedowse return; 28091536Siedowse } 281202197Sed 282202197Sed if (bp->ut_type != USER_PROCESS && bp->ut_type != DEAD_PROCESS) 283202197Sed return; 284202197Sed 285202197Sed /* find associated identifier */ 286202197Sed LIST_FOREACH(tt, &idlist, list) 287202197Sed if (!memcmp(tt->id, bp->ut_id, sizeof bp->ut_id)) 28891536Siedowse break; 28991536Siedowse 29091536Siedowse if (tt == NULL) { 29191536Siedowse /* add new one */ 292202197Sed tt = malloc(sizeof(struct idtab)); 29391536Siedowse if (tt == NULL) 29496785Sjmallett errx(1, "malloc failure"); 29591536Siedowse tt->logout = currentout; 296202197Sed memcpy(tt->id, bp->ut_id, sizeof bp->ut_id); 297202197Sed LIST_INSERT_HEAD(&idlist, tt, list); 29891536Siedowse } 29991536Siedowse 30091536Siedowse /* 30191536Siedowse * print record if not in snapshot mode and wanted 30291536Siedowse * or in snapshot mode and in snapshot range 30391536Siedowse */ 304202197Sed if (bp->ut_type == USER_PROCESS && (want(bp) || 305202197Sed (bp->ut_tv.tv_sec < snaptime && 30691536Siedowse (tt->logout > snaptime || tt->logout < 1)))) { 30791536Siedowse snapfound = 1; 30891536Siedowse printentry(bp, tt); 30991536Siedowse } 310202197Sed tt->logout = bp->ut_tv.tv_sec; 31191536Siedowse} 31291536Siedowse 31391536Siedowse/* 31491536Siedowse * printentry -- 31591536Siedowse * output an entry 31691536Siedowse * 31791536Siedowse * If `tt' is non-NULL, use it and `crmsg' to print the logout time or 31891536Siedowse * logout type (crash/shutdown) as appropriate. 31991536Siedowse */ 32091536Siedowsevoid 321202197Sedprintentry(struct utmpx *bp, struct idtab *tt) 32291536Siedowse{ 32391536Siedowse char ct[80]; 32491536Siedowse struct tm *tm; 32591536Siedowse time_t delta; /* time difference */ 32691536Siedowse time_t t; 32791536Siedowse 32891538Siedowse if (maxrec != -1 && !maxrec--) 32991538Siedowse exit(0); 330202197Sed t = bp->ut_tv.tv_sec; 33191536Siedowse tm = localtime(&t); 33291541Siedowse (void) strftime(ct, sizeof(ct), d_first ? 33391541Siedowse (yflag ? "%a %e %b %Y %R" : "%a %e %b %R") : 33491541Siedowse (yflag ? "%a %b %e %Y %R" : "%a %b %e %R"), tm); 335202197Sed switch (bp->ut_type) { 336202197Sed case BOOT_TIME: 337202197Sed printf("%-42s", "boot time"); 338202197Sed break; 339202197Sed case SHUTDOWN_TIME: 340202197Sed printf("%-42s", "shutdown time"); 341202197Sed break; 342202197Sed case OLD_TIME: 343202197Sed printf("%-42s", "old time"); 344202197Sed break; 345202197Sed case NEW_TIME: 346202197Sed printf("%-42s", "new time"); 347202197Sed break; 348202197Sed case USER_PROCESS: 349202197Sed printf("%-10s %-8s %-22.22s", 350202197Sed bp->ut_user, bp->ut_line, bp->ut_host); 351202197Sed break; 352202197Sed } 353202197Sed printf(" %s%c", ct, tt == NULL ? '\n' : ' '); 35491536Siedowse if (tt == NULL) 35591536Siedowse return; 35691536Siedowse if (!tt->logout) { 35791536Siedowse puts(" still logged in"); 35891536Siedowse return; 35991536Siedowse } 36091536Siedowse if (tt->logout < 0) { 36191536Siedowse tt->logout = -tt->logout; 36291536Siedowse printf("- %s", crmsg); 36391536Siedowse } else { 36491536Siedowse tm = localtime(&tt->logout); 36591536Siedowse (void) strftime(ct, sizeof(ct), "%R", tm); 36691536Siedowse printf("- %s", ct); 36791536Siedowse } 368202197Sed delta = tt->logout - bp->ut_tv.tv_sec; 36991536Siedowse if (sflag) { 37091536Siedowse printf(" (%8ld)\n", (long)delta); 37191536Siedowse } else { 37291536Siedowse tm = gmtime(&delta); 37391536Siedowse (void) strftime(ct, sizeof(ct), width >= 8 ? "%T" : "%R", tm); 37491536Siedowse if (delta < 86400) 37591536Siedowse printf(" (%s)\n", ct); 37691536Siedowse else 37791536Siedowse printf(" (%ld+%s)\n", (long)delta / 86400, ct); 37891536Siedowse } 37991536Siedowse} 38091536Siedowse 38191536Siedowse/* 3821590Srgrimes * want -- 3831590Srgrimes * see if want this entry 3841590Srgrimes */ 3851590Srgrimesint 386202197Sedwant(struct utmpx *bp) 3871590Srgrimes{ 3881590Srgrimes ARG *step; 3891590Srgrimes 39077291Sdd if (snaptime) 39177291Sdd return (NO); 39277291Sdd 3931590Srgrimes if (!arglist) 3941590Srgrimes return (YES); 3951590Srgrimes 3961590Srgrimes for (step = arglist; step; step = step->next) 3971590Srgrimes switch(step->type) { 3981590Srgrimes case HOST_TYPE: 399202197Sed if (!strcasecmp(step->name, bp->ut_host)) 4001590Srgrimes return (YES); 4011590Srgrimes break; 4021590Srgrimes case TTY_TYPE: 403202197Sed if (!strcmp(step->name, bp->ut_line)) 4041590Srgrimes return (YES); 4051590Srgrimes break; 4061590Srgrimes case USER_TYPE: 407202197Sed if (!strcmp(step->name, bp->ut_user)) 4081590Srgrimes return (YES); 4091590Srgrimes break; 41091536Siedowse } 4111590Srgrimes return (NO); 4121590Srgrimes} 4131590Srgrimes 4141590Srgrimes/* 4151590Srgrimes * addarg -- 4161590Srgrimes * add an entry to a linked list of arguments 4171590Srgrimes */ 4181590Srgrimesvoid 419102944Sdwmaloneaddarg(int type, char *arg) 4201590Srgrimes{ 4211590Srgrimes ARG *cur; 4221590Srgrimes 42396785Sjmallett if ((cur = malloc(sizeof(ARG))) == NULL) 42496785Sjmallett errx(1, "malloc failure"); 4251590Srgrimes cur->next = arglist; 4261590Srgrimes cur->type = type; 4271590Srgrimes cur->name = arg; 4281590Srgrimes arglist = cur; 4291590Srgrimes} 4301590Srgrimes 4311590Srgrimes/* 4321590Srgrimes * hostconv -- 4331590Srgrimes * convert the hostname to search pattern; if the supplied host name 4341590Srgrimes * has a domain attached that is the same as the current domain, rip 4351590Srgrimes * off the domain suffix since that's what login(1) does. 4361590Srgrimes */ 4371590Srgrimesvoid 438102944Sdwmalonehostconv(char *arg) 4391590Srgrimes{ 4401590Srgrimes static int first = 1; 4411590Srgrimes static char *hostdot, name[MAXHOSTNAMELEN]; 4421590Srgrimes char *argdot; 4431590Srgrimes 4441590Srgrimes if (!(argdot = strchr(arg, '.'))) 4451590Srgrimes return; 4461590Srgrimes if (first) { 4471590Srgrimes first = 0; 4481590Srgrimes if (gethostname(name, sizeof(name))) 4491590Srgrimes err(1, "gethostname"); 4501590Srgrimes hostdot = strchr(name, '.'); 4511590Srgrimes } 4521590Srgrimes if (hostdot && !strcasecmp(hostdot, argdot)) 4531590Srgrimes *argdot = '\0'; 4541590Srgrimes} 4551590Srgrimes 4561590Srgrimes/* 4571590Srgrimes * ttyconv -- 4581590Srgrimes * convert tty to correct name. 4591590Srgrimes */ 4601590Srgrimeschar * 461102944Sdwmalonettyconv(char *arg) 4621590Srgrimes{ 4631590Srgrimes char *mval; 4641590Srgrimes 4651590Srgrimes /* 4661590Srgrimes * kludge -- we assume that all tty's end with 4671590Srgrimes * a two character suffix. 4681590Srgrimes */ 4691590Srgrimes if (strlen(arg) == 2) { 4701590Srgrimes /* either 6 for "ttyxx" or 8 for "console" */ 47196785Sjmallett if ((mval = malloc(8)) == NULL) 47296785Sjmallett errx(1, "malloc failure"); 4731590Srgrimes if (!strcmp(arg, "co")) 4741590Srgrimes (void)strcpy(mval, "console"); 4751590Srgrimes else { 4761590Srgrimes (void)strcpy(mval, "tty"); 4771590Srgrimes (void)strcpy(mval + 3, arg); 4781590Srgrimes } 4791590Srgrimes return (mval); 4801590Srgrimes } 4811590Srgrimes if (!strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1)) 4821590Srgrimes return (arg + 5); 4831590Srgrimes return (arg); 4841590Srgrimes} 4851590Srgrimes 4861590Srgrimes/* 48777291Sdd * dateconv -- 48877291Sdd * Convert the snapshot time in command line given in the format 48977291Sdd * [[CC]YY]MMDDhhmm[.SS]] to a time_t. 49077291Sdd * Derived from atime_arg1() in usr.bin/touch/touch.c 49177291Sdd */ 49277291Sddtime_t 493102944Sdwmalonedateconv(char *arg) 49477291Sdd{ 49577291Sdd time_t timet; 49677291Sdd struct tm *t; 49777291Sdd int yearset; 49877291Sdd char *p; 49977291Sdd 50077291Sdd /* Start with the current time. */ 50177291Sdd if (time(&timet) < 0) 50277291Sdd err(1, "time"); 50377291Sdd if ((t = localtime(&timet)) == NULL) 50477291Sdd err(1, "localtime"); 50577291Sdd 50677291Sdd /* [[CC]YY]MMDDhhmm[.SS] */ 50777291Sdd if ((p = strchr(arg, '.')) == NULL) 50877291Sdd t->tm_sec = 0; /* Seconds defaults to 0. */ 50977291Sdd else { 51077291Sdd if (strlen(p + 1) != 2) 51177291Sdd goto terr; 51277291Sdd *p++ = '\0'; 51377291Sdd t->tm_sec = ATOI2(p); 51477291Sdd } 51577291Sdd 51677291Sdd yearset = 0; 51777291Sdd switch (strlen(arg)) { 51877291Sdd case 12: /* CCYYMMDDhhmm */ 51977291Sdd t->tm_year = ATOI2(arg); 52077291Sdd t->tm_year *= 100; 52177291Sdd yearset = 1; 522133332Sdwmalone /* FALLTHROUGH */ 52377291Sdd case 10: /* YYMMDDhhmm */ 52477291Sdd if (yearset) { 52577291Sdd yearset = ATOI2(arg); 52677291Sdd t->tm_year += yearset; 52777291Sdd } else { 52877291Sdd yearset = ATOI2(arg); 52977291Sdd if (yearset < 69) 53077291Sdd t->tm_year = yearset + 2000; 53177291Sdd else 53277291Sdd t->tm_year = yearset + 1900; 53377291Sdd } 53477291Sdd t->tm_year -= 1900; /* Convert to UNIX time. */ 53577291Sdd /* FALLTHROUGH */ 53677291Sdd case 8: /* MMDDhhmm */ 53777291Sdd t->tm_mon = ATOI2(arg); 53877291Sdd --t->tm_mon; /* Convert from 01-12 to 00-11 */ 53977291Sdd t->tm_mday = ATOI2(arg); 54077291Sdd t->tm_hour = ATOI2(arg); 54177291Sdd t->tm_min = ATOI2(arg); 54277291Sdd break; 54377291Sdd case 4: /* hhmm */ 54477291Sdd t->tm_hour = ATOI2(arg); 54577291Sdd t->tm_min = ATOI2(arg); 54677291Sdd break; 54777291Sdd default: 54877291Sdd goto terr; 54977291Sdd } 55077291Sdd t->tm_isdst = -1; /* Figure out DST. */ 55177291Sdd timet = mktime(t); 55277291Sdd if (timet == -1) 55377291Sddterr: errx(1, 55477291Sdd "out of range or illegal time specification: [[CC]YY]MMDDhhmm[.SS]"); 55577291Sdd return timet; 55677291Sdd} 557