last.c revision 91538
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. 3260833Sjake * 3360833Sjake * $FreeBSD: head/usr.bin/last/last.c 91538 2002-03-01 19:46:20Z iedowse $ 341590Srgrimes */ 351590Srgrimes 361590Srgrimes#ifndef lint 3778201Sddstatic const char copyright[] = 381590Srgrimes"@(#) Copyright (c) 1987, 1993, 1994\n\ 391590Srgrimes The Regents of the University of California. All rights reserved.\n"; 401590Srgrimes#endif /* not lint */ 411590Srgrimes 421590Srgrimes#ifndef lint 4378201Sddstatic const char sccsid[] = "@(#)last.c 8.2 (Berkeley) 4/2/94"; 441590Srgrimes#endif /* not lint */ 451590Srgrimes 461590Srgrimes#include <sys/param.h> 471590Srgrimes#include <sys/stat.h> 481590Srgrimes 491590Srgrimes#include <err.h> 501590Srgrimes#include <fcntl.h> 5174588Sache#include <langinfo.h> 5216438Sache#include <locale.h> 531590Srgrimes#include <paths.h> 541590Srgrimes#include <signal.h> 551590Srgrimes#include <stdio.h> 561590Srgrimes#include <stdlib.h> 571590Srgrimes#include <string.h> 581590Srgrimes#include <time.h> 591590Srgrimes#include <unistd.h> 601590Srgrimes#include <utmp.h> 6111547Sdg#include <sys/queue.h> 621590Srgrimes 631590Srgrimes#define NO 0 /* false/no */ 641590Srgrimes#define YES 1 /* true/yes */ 6577291Sdd#define ATOI2(ar) ((ar)[0] - '0') * 10 + ((ar)[1] - '0'); (ar) += 2; 661590Srgrimes 671590Srgrimesstatic struct utmp buf[1024]; /* utmp read buffer */ 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 7960938SjakeLIST_HEAD(ttylisthead, ttytab) ttylist; 8011547Sdg 8111547Sdgstruct ttytab { 8236062Sjb time_t logout; /* log out time */ 831590Srgrimes char tty[UT_LINESIZE + 1]; /* terminal name */ 8460938Sjake LIST_ENTRY(ttytab) list; 8511547Sdg}; 861590Srgrimes 8791536Siedowsestatic const char *crmsg; /* cause of last reboot */ 881590Srgrimesstatic long currentout, /* current logout value */ 891590Srgrimes maxrec; /* records to display */ 9078201Sddstatic const char *file = _PATH_WTMP; /* wtmp file */ 9136434Sdannystatic int sflag = 0; /* show delta in seconds */ 9236434Sdannystatic int width = 5; /* show seconds in delta */ 9374588Sachestatic int d_first; 9491538Siedowsestatic int snapfound = 0; /* found snapshot entry? */ 9577291Sddstatic time_t snaptime; /* if != 0, we will only 9677291Sdd * report users logged in 9777291Sdd * at this snapshot time 9877291Sdd */ 991590Srgrimes 1001590Srgrimesvoid addarg __P((int, char *)); 10178201Sddtime_t dateconv __P((char *)); 10291536Siedowsevoid doentry __P((struct utmp *)); 1031590Srgrimesvoid hostconv __P((char *)); 1041590Srgrimesvoid onintr __P((int)); 10591536Siedowsevoid printentry __P((struct utmp *, struct ttytab *)); 1061590Srgrimeschar *ttyconv __P((char *)); 10711547Sdgint want __P((struct utmp *)); 10878201Sddvoid usage __P((void)); 1091590Srgrimesvoid wtmp __P((void)); 1101590Srgrimes 11136434Sdannyvoid 11236434Sdannyusage(void) 11336434Sdanny{ 11436434Sdanny (void)fprintf(stderr, 11581161Sdd"usage: last [-#] [-d [[CC]YY][MMDD]hhmm[.SS]] [-f file] [-h hostname]\n" 11681161Sdd"\t[-t tty] [-s|w] [user ...]\n"); 11736434Sdanny exit(1); 11836434Sdanny} 11936434Sdanny 1201590Srgrimesint 1211590Srgrimesmain(argc, argv) 1221590Srgrimes int argc; 1231590Srgrimes char *argv[]; 1241590Srgrimes{ 1251590Srgrimes int ch; 1261590Srgrimes char *p; 1271590Srgrimes 12816438Sache (void) setlocale(LC_TIME, ""); 12974588Sache d_first = (*nl_langinfo(D_MD_ORDER) == 'd'); 13016438Sache 1311590Srgrimes maxrec = -1; 13277291Sdd snaptime = 0; 13377291Sdd while ((ch = getopt(argc, argv, "0123456789d:f:h:st:w")) != -1) 1341590Srgrimes switch (ch) { 1351590Srgrimes case '0': case '1': case '2': case '3': case '4': 1361590Srgrimes case '5': case '6': case '7': case '8': case '9': 1371590Srgrimes /* 1381590Srgrimes * kludge: last was originally designed to take 1391590Srgrimes * a number after a dash. 1401590Srgrimes */ 1411590Srgrimes if (maxrec == -1) { 1421590Srgrimes p = argv[optind - 1]; 1431590Srgrimes if (p[0] == '-' && p[1] == ch && !p[2]) 1441590Srgrimes maxrec = atol(++p); 1451590Srgrimes else 1461590Srgrimes maxrec = atol(argv[optind] + 1); 1471590Srgrimes if (!maxrec) 1481590Srgrimes exit(0); 1491590Srgrimes } 1501590Srgrimes break; 15177291Sdd case 'd': 15277291Sdd snaptime = dateconv(optarg); 15377291Sdd break; 1541590Srgrimes case 'f': 1551590Srgrimes file = optarg; 1561590Srgrimes break; 1571590Srgrimes case 'h': 1581590Srgrimes hostconv(optarg); 1591590Srgrimes addarg(HOST_TYPE, optarg); 1601590Srgrimes 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; 1701590Srgrimes case '?': 1711590Srgrimes default: 17236434Sdanny usage(); 1731590Srgrimes } 1741590Srgrimes 17536434Sdanny if (sflag && width == 8) usage(); 17636434Sdanny 1771590Srgrimes if (argc) { 1781590Srgrimes setlinebuf(stdout); 1791590Srgrimes for (argv += optind; *argv; ++argv) { 1801590Srgrimes#define COMPATIBILITY 1811590Srgrimes#ifdef COMPATIBILITY 1821590Srgrimes /* code to allow "last p5" to work */ 1831590Srgrimes addarg(TTY_TYPE, ttyconv(*argv)); 1841590Srgrimes#endif 1851590Srgrimes addarg(USER_TYPE, *argv); 1861590Srgrimes } 1871590Srgrimes } 1881590Srgrimes wtmp(); 1891590Srgrimes exit(0); 1901590Srgrimes} 1911590Srgrimes 1921590Srgrimes/* 1931590Srgrimes * wtmp -- 1941590Srgrimes * read through the wtmp file 1951590Srgrimes */ 1961590Srgrimesvoid 1971590Srgrimeswtmp() 1981590Srgrimes{ 1991590Srgrimes struct utmp *bp; /* current structure */ 2001590Srgrimes struct stat stb; /* stat of file for size */ 20136062Sjb long bl; 2021590Srgrimes int bytes, wfd; 20316438Sache char ct[80]; 20416438Sache struct tm *tm; 20585648Sdillon time_t t; 2061590Srgrimes 20711547Sdg LIST_INIT(&ttylist); 20811547Sdg 2091590Srgrimes if ((wfd = open(file, O_RDONLY, 0)) < 0 || fstat(wfd, &stb) == -1) 2101590Srgrimes err(1, "%s", file); 2111590Srgrimes bl = (stb.st_size + sizeof(buf) - 1) / sizeof(buf); 2121590Srgrimes 21385648Sdillon (void)time(&t); 21489572Sdillon buf[0].ut_time = _time_to_int(t); 2151590Srgrimes (void)signal(SIGINT, onintr); 2161590Srgrimes (void)signal(SIGQUIT, onintr); 2171590Srgrimes 2181590Srgrimes while (--bl >= 0) { 2191590Srgrimes if (lseek(wfd, (off_t)(bl * sizeof(buf)), L_SET) == -1 || 2201590Srgrimes (bytes = read(wfd, buf, sizeof(buf))) == -1) 2211590Srgrimes err(1, "%s", file); 22291536Siedowse for (bp = &buf[bytes / sizeof(buf[0]) - 1]; bp >= buf; --bp) 22391536Siedowse doentry(bp); 2241590Srgrimes } 22589572Sdillon t = _int_to_time(buf[0].ut_time); 22685648Sdillon tm = localtime(&t); 22778201Sdd (void) strftime(ct, sizeof(ct), "\nwtmp begins %+\n", tm); 22862871Skris printf("%s", ct); 2291590Srgrimes} 2301590Srgrimes 2311590Srgrimes/* 23291536Siedowse * doentry -- 23391536Siedowse * process a single wtmp entry 23491536Siedowse */ 23591536Siedowsevoid 23691536Siedowsedoentry(bp) 23791536Siedowse struct utmp *bp; 23891536Siedowse{ 23991536Siedowse struct ttytab *tt, *ttx; /* ttylist entry */ 24091536Siedowse 24191536Siedowse /* 24291536Siedowse * if the terminal line is '~', the machine stopped. 24391536Siedowse * see utmp(5) for more info. 24491536Siedowse */ 24591536Siedowse if (bp->ut_line[0] == '~' && !bp->ut_line[1]) { 24691536Siedowse /* everybody just logged out */ 24791536Siedowse for (tt = LIST_FIRST(&ttylist); tt;) { 24891536Siedowse LIST_REMOVE(tt, list); 24991536Siedowse ttx = tt; 25091536Siedowse tt = LIST_NEXT(tt, list); 25191536Siedowse free(ttx); 25291536Siedowse } 25391536Siedowse currentout = -bp->ut_time; 25491536Siedowse crmsg = strncmp(bp->ut_name, "shutdown", UT_NAMESIZE) ? 25591536Siedowse "crash" : "shutdown"; 25691536Siedowse /* 25791536Siedowse * if we're in snapshot mode, we want to exit if this 25891536Siedowse * shutdown/reboot appears while we we are tracking the 25991536Siedowse * active range 26091536Siedowse */ 26191536Siedowse if (snaptime && snapfound) 26291536Siedowse exit(0); 26391536Siedowse /* 26491536Siedowse * don't print shutdown/reboot entries unless flagged for 26591536Siedowse */ 26691538Siedowse if (!snaptime && want(bp)) 26791536Siedowse printentry(bp, NULL); 26891536Siedowse return; 26991536Siedowse } 27091536Siedowse /* 27191536Siedowse * if the line is '{' or '|', date got set; see 27291536Siedowse * utmp(5) for more info. 27391536Siedowse */ 27491536Siedowse if ((bp->ut_line[0] == '{' || bp->ut_line[0] == '|') && 27591536Siedowse !bp->ut_line[1]) { 27691538Siedowse if (want(bp) && !snaptime) 27791536Siedowse printentry(bp, NULL); 27891536Siedowse return; 27991536Siedowse } 28091536Siedowse /* find associated tty */ 28191536Siedowse LIST_FOREACH(tt, &ttylist, list) 28291536Siedowse if (!strncmp(tt->tty, bp->ut_line, UT_LINESIZE)) 28391536Siedowse break; 28491536Siedowse 28591536Siedowse if (tt == NULL) { 28691536Siedowse /* add new one */ 28791536Siedowse tt = malloc(sizeof(struct ttytab)); 28891536Siedowse if (tt == NULL) 28991536Siedowse err(1, "malloc failure"); 29091536Siedowse tt->logout = currentout; 29191536Siedowse strncpy(tt->tty, bp->ut_line, UT_LINESIZE); 29291536Siedowse LIST_INSERT_HEAD(&ttylist, tt, list); 29391536Siedowse } 29491536Siedowse 29591536Siedowse /* 29691536Siedowse * print record if not in snapshot mode and wanted 29791536Siedowse * or in snapshot mode and in snapshot range 29891536Siedowse */ 29991536Siedowse if (bp->ut_name[0] && (want(bp) || (bp->ut_time < snaptime && 30091536Siedowse (tt->logout > snaptime || tt->logout < 1)))) { 30191536Siedowse snapfound = 1; 30291536Siedowse /* 30391536Siedowse * when uucp and ftp log in over a network, the entry in 30491536Siedowse * the utmp file is the name plus their process id. See 30591536Siedowse * etc/ftpd.c and usr.bin/uucp/uucpd.c for more information. 30691536Siedowse */ 30791536Siedowse if (!strncmp(bp->ut_line, "ftp", sizeof("ftp") - 1)) 30891536Siedowse bp->ut_line[3] = '\0'; 30991536Siedowse else if (!strncmp(bp->ut_line, "uucp", sizeof("uucp") - 1)) 31091536Siedowse bp->ut_line[4] = '\0'; 31191536Siedowse printentry(bp, tt); 31291536Siedowse } 31391536Siedowse tt->logout = bp->ut_time; 31491536Siedowse} 31591536Siedowse 31691536Siedowse/* 31791536Siedowse * printentry -- 31891536Siedowse * output an entry 31991536Siedowse * 32091536Siedowse * If `tt' is non-NULL, use it and `crmsg' to print the logout time or 32191536Siedowse * logout type (crash/shutdown) as appropriate. 32291536Siedowse */ 32391536Siedowsevoid 32491536Siedowseprintentry(bp, tt) 32591536Siedowse struct utmp *bp; 32691536Siedowse struct ttytab *tt; 32791536Siedowse{ 32891536Siedowse char ct[80]; 32991536Siedowse struct tm *tm; 33091536Siedowse time_t delta; /* time difference */ 33191536Siedowse time_t t; 33291536Siedowse 33391538Siedowse if (maxrec != -1 && !maxrec--) 33491538Siedowse exit(0); 33591536Siedowse t = _int_to_time(bp->ut_time); 33691536Siedowse tm = localtime(&t); 33791536Siedowse (void) strftime(ct, sizeof(ct), d_first ? "%a %e %b %R" : 33891536Siedowse "%a %b %e %R", tm); 33991536Siedowse printf("%-*.*s %-*.*s %-*.*s %s%c", 34091536Siedowse UT_NAMESIZE, UT_NAMESIZE, bp->ut_name, 34191536Siedowse UT_LINESIZE, UT_LINESIZE, bp->ut_line, 34291536Siedowse UT_HOSTSIZE, UT_HOSTSIZE, bp->ut_host, 34391536Siedowse ct, tt == NULL ? '\n' : ' '); 34491536Siedowse if (tt == NULL) 34591536Siedowse return; 34691536Siedowse if (!tt->logout) { 34791536Siedowse puts(" still logged in"); 34891536Siedowse return; 34991536Siedowse } 35091536Siedowse if (tt->logout < 0) { 35191536Siedowse tt->logout = -tt->logout; 35291536Siedowse printf("- %s", crmsg); 35391536Siedowse } else { 35491536Siedowse tm = localtime(&tt->logout); 35591536Siedowse (void) strftime(ct, sizeof(ct), "%R", tm); 35691536Siedowse printf("- %s", ct); 35791536Siedowse } 35891536Siedowse delta = tt->logout - bp->ut_time; 35991536Siedowse if (sflag) { 36091536Siedowse printf(" (%8ld)\n", (long)delta); 36191536Siedowse } else { 36291536Siedowse tm = gmtime(&delta); 36391536Siedowse (void) strftime(ct, sizeof(ct), width >= 8 ? "%T" : "%R", tm); 36491536Siedowse if (delta < 86400) 36591536Siedowse printf(" (%s)\n", ct); 36691536Siedowse else 36791536Siedowse printf(" (%ld+%s)\n", (long)delta / 86400, ct); 36891536Siedowse } 36991536Siedowse} 37091536Siedowse 37191536Siedowse/* 3721590Srgrimes * want -- 3731590Srgrimes * see if want this entry 3741590Srgrimes */ 3751590Srgrimesint 37611547Sdgwant(bp) 3771590Srgrimes struct utmp *bp; 3781590Srgrimes{ 3791590Srgrimes ARG *step; 3801590Srgrimes 38177291Sdd if (snaptime) 38277291Sdd return (NO); 38377291Sdd 3841590Srgrimes if (!arglist) 3851590Srgrimes return (YES); 3861590Srgrimes 3871590Srgrimes for (step = arglist; step; step = step->next) 3881590Srgrimes switch(step->type) { 3891590Srgrimes case HOST_TYPE: 3901590Srgrimes if (!strncasecmp(step->name, bp->ut_host, UT_HOSTSIZE)) 3911590Srgrimes return (YES); 3921590Srgrimes break; 3931590Srgrimes case TTY_TYPE: 3941590Srgrimes if (!strncmp(step->name, bp->ut_line, UT_LINESIZE)) 3951590Srgrimes return (YES); 3961590Srgrimes break; 3971590Srgrimes case USER_TYPE: 3981590Srgrimes if (!strncmp(step->name, bp->ut_name, UT_NAMESIZE)) 3991590Srgrimes return (YES); 4001590Srgrimes break; 40191536Siedowse } 4021590Srgrimes return (NO); 4031590Srgrimes} 4041590Srgrimes 4051590Srgrimes/* 4061590Srgrimes * addarg -- 4071590Srgrimes * add an entry to a linked list of arguments 4081590Srgrimes */ 4091590Srgrimesvoid 4101590Srgrimesaddarg(type, arg) 4111590Srgrimes int type; 4121590Srgrimes char *arg; 4131590Srgrimes{ 4141590Srgrimes ARG *cur; 4151590Srgrimes 4161590Srgrimes if (!(cur = (ARG *)malloc((u_int)sizeof(ARG)))) 4171590Srgrimes err(1, "malloc failure"); 4181590Srgrimes cur->next = arglist; 4191590Srgrimes cur->type = type; 4201590Srgrimes cur->name = arg; 4211590Srgrimes arglist = cur; 4221590Srgrimes} 4231590Srgrimes 4241590Srgrimes/* 4251590Srgrimes * hostconv -- 4261590Srgrimes * convert the hostname to search pattern; if the supplied host name 4271590Srgrimes * has a domain attached that is the same as the current domain, rip 4281590Srgrimes * off the domain suffix since that's what login(1) does. 4291590Srgrimes */ 4301590Srgrimesvoid 4311590Srgrimeshostconv(arg) 4321590Srgrimes char *arg; 4331590Srgrimes{ 4341590Srgrimes static int first = 1; 4351590Srgrimes static char *hostdot, name[MAXHOSTNAMELEN]; 4361590Srgrimes char *argdot; 4371590Srgrimes 4381590Srgrimes if (!(argdot = strchr(arg, '.'))) 4391590Srgrimes return; 4401590Srgrimes if (first) { 4411590Srgrimes first = 0; 4421590Srgrimes if (gethostname(name, sizeof(name))) 4431590Srgrimes err(1, "gethostname"); 4441590Srgrimes hostdot = strchr(name, '.'); 4451590Srgrimes } 4461590Srgrimes if (hostdot && !strcasecmp(hostdot, argdot)) 4471590Srgrimes *argdot = '\0'; 4481590Srgrimes} 4491590Srgrimes 4501590Srgrimes/* 4511590Srgrimes * ttyconv -- 4521590Srgrimes * convert tty to correct name. 4531590Srgrimes */ 4541590Srgrimeschar * 4551590Srgrimesttyconv(arg) 4561590Srgrimes char *arg; 4571590Srgrimes{ 4581590Srgrimes char *mval; 4591590Srgrimes 4601590Srgrimes /* 4611590Srgrimes * kludge -- we assume that all tty's end with 4621590Srgrimes * a two character suffix. 4631590Srgrimes */ 4641590Srgrimes if (strlen(arg) == 2) { 4651590Srgrimes /* either 6 for "ttyxx" or 8 for "console" */ 4661590Srgrimes if (!(mval = malloc((u_int)8))) 4671590Srgrimes err(1, "malloc failure"); 4681590Srgrimes if (!strcmp(arg, "co")) 4691590Srgrimes (void)strcpy(mval, "console"); 4701590Srgrimes else { 4711590Srgrimes (void)strcpy(mval, "tty"); 4721590Srgrimes (void)strcpy(mval + 3, arg); 4731590Srgrimes } 4741590Srgrimes return (mval); 4751590Srgrimes } 4761590Srgrimes if (!strncmp(arg, _PATH_DEV, sizeof(_PATH_DEV) - 1)) 4771590Srgrimes return (arg + 5); 4781590Srgrimes return (arg); 4791590Srgrimes} 4801590Srgrimes 4811590Srgrimes/* 48277291Sdd * dateconv -- 48377291Sdd * Convert the snapshot time in command line given in the format 48477291Sdd * [[CC]YY]MMDDhhmm[.SS]] to a time_t. 48577291Sdd * Derived from atime_arg1() in usr.bin/touch/touch.c 48677291Sdd */ 48777291Sddtime_t 48877291Sdddateconv(arg) 48977291Sdd 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; 51877291Sdd /* FALLTHOUGH */ 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} 55377291Sdd 55477291Sdd 55577291Sdd/* 5561590Srgrimes * onintr -- 5571590Srgrimes * on interrupt, we inform the user how far we've gotten 5581590Srgrimes */ 5591590Srgrimesvoid 5601590Srgrimesonintr(signo) 5611590Srgrimes int signo; 5621590Srgrimes{ 56316438Sache char ct[80]; 56416438Sache struct tm *tm; 56589572Sdillon time_t t = _int_to_time(buf[0].ut_time); 5661590Srgrimes 56785648Sdillon tm = localtime(&t); 56874588Sache (void) strftime(ct, sizeof(ct), 56974588Sache d_first ? "%a %e %b %R" : "%a %b %e %R", 57074588Sache tm); 57174588Sache printf("\ninterrupted %s\n", ct); 5721590Srgrimes if (signo == SIGINT) 5731590Srgrimes exit(1); 5741590Srgrimes (void)fflush(stdout); /* fix required for rsh */ 5751590Srgrimes} 576