1994-09-26 22:12:27 +00:00
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/*
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* Copyright (c) 1994 Christopher G. Demetriou.
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* @(#)Copyright (c) 1994, Simon J. Gerraty.
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1995-05-30 03:57:47 +00:00
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*
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1994-09-26 22:12:27 +00:00
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* This is free software. It comes with NO WARRANTY.
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1995-05-30 03:57:47 +00:00
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* Permission to use, modify and distribute this source code
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1994-09-26 22:12:27 +00:00
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* is granted subject to the following conditions.
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1995-05-30 03:57:47 +00:00
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* 1/ that the above copyright notice and this notice
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* are preserved in all copies and that due credit be given
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* to the author.
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* 2/ that any changes to this code are clearly commented
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* as such so that the author does not get blamed for bugs
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1994-09-26 22:12:27 +00:00
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* other than his own.
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*/
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#ifndef lint
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1997-09-01 06:11:40 +00:00
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static const char rcsid[] =
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1999-08-28 01:35:59 +00:00
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"$FreeBSD$";
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1997-09-01 06:11:40 +00:00
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#endif /* not lint */
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1994-09-26 22:12:27 +00:00
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#include <sys/types.h>
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#include <sys/file.h>
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#include <sys/time.h>
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#include <err.h>
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#include <errno.h>
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2001-03-21 13:41:03 +00:00
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#include <langinfo.h>
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1997-09-01 06:11:40 +00:00
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#include <locale.h>
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1994-09-26 22:12:27 +00:00
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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2002-07-08 20:13:07 +00:00
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#include <timeconv.h>
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1994-09-26 22:12:27 +00:00
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#include <unistd.h>
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1997-09-01 06:11:40 +00:00
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#include <utmp.h>
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1994-09-26 22:12:27 +00:00
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/*
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* this is for our list of currently logged in sessions
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*/
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struct utmp_list {
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struct utmp_list *next;
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struct utmp usr;
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};
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/*
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* this is for our list of users that are accumulating time.
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*/
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struct user_list {
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struct user_list *next;
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char name[UT_NAMESIZE+1];
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time_t secs;
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};
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/*
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* this is for chosing whether to ignore a login
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*/
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struct tty_list {
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struct tty_list *next;
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char name[UT_LINESIZE+3];
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int len;
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int ret;
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};
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/*
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* globals - yes yuk
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*/
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#ifdef CONSOLE_TTY
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static char *Console = CONSOLE_TTY;
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#endif
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static time_t Total = 0;
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static time_t FirstTime = 0;
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static int Flags = 0;
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static struct user_list *Users = NULL;
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static struct tty_list *Ttys = NULL;
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#define NEW(type) (type *)malloc(sizeof (type))
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#define AC_W 1 /* not _PATH_WTMP */
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#define AC_D 2 /* daily totals (ignore -p) */
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#define AC_P 4 /* per-user totals */
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#define AC_U 8 /* specified users only */
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#define AC_T 16 /* specified ttys only */
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#ifdef DEBUG
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static int Debug = 0;
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#endif
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2002-07-11 22:18:26 +00:00
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int main(int, char **);
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int ac(FILE *);
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struct tty_list *add_tty(char *);
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int do_tty(char *);
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FILE *file(const char *);
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struct utmp_list *log_in(struct utmp_list *, struct utmp *);
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struct utmp_list *log_out(struct utmp_list *, struct utmp *);
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int on_console(struct utmp_list *);
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void show(const char *, time_t);
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void show_today(struct user_list *, struct utmp_list *,
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time_t);
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void show_users(struct user_list *);
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struct user_list *update_user(struct user_list *, char *, time_t);
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void usage(void);
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1994-09-26 22:12:27 +00:00
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/*
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* open wtmp or die
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*/
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FILE *
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file(name)
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2001-06-24 18:41:30 +00:00
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const char *name;
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1994-09-26 22:12:27 +00:00
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{
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FILE *fp;
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1999-07-02 12:31:31 +00:00
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if ((fp = fopen(name, "r")) == NULL)
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err(1, "%s", name);
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/* in case we want to discriminate */
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if (strcmp(_PATH_WTMP, name))
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1994-09-26 22:12:27 +00:00
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Flags |= AC_W;
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1999-07-02 12:31:31 +00:00
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return fp;
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1994-09-26 22:12:27 +00:00
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}
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struct tty_list *
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add_tty(name)
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char *name;
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{
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struct tty_list *tp;
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register char *rcp;
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Flags |= AC_T;
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1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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if ((tp = NEW(struct tty_list)) == NULL)
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1999-10-12 19:27:11 +00:00
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errx(1, "malloc failed");
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1994-09-26 22:12:27 +00:00
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tp->len = 0; /* full match */
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tp->ret = 1; /* do if match */
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if (*name == '!') { /* don't do if match */
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tp->ret = 0;
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name++;
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}
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2001-07-24 11:36:56 +00:00
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strlcpy(tp->name, name, sizeof (tp->name));
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1994-09-26 22:12:27 +00:00
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if ((rcp = strchr(tp->name, '*')) != NULL) { /* wild card */
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*rcp = '\0';
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tp->len = strlen(tp->name); /* match len bytes only */
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}
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tp->next = Ttys;
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Ttys = tp;
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return Ttys;
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}
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/*
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* should we process the named tty?
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*/
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int
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do_tty(name)
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char *name;
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{
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struct tty_list *tp;
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int def_ret = 0;
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1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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for (tp = Ttys; tp != NULL; tp = tp->next) {
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if (tp->ret == 0) /* specific don't */
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def_ret = 1; /* default do */
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if (tp->len != 0) {
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if (strncmp(name, tp->name, tp->len) == 0)
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return tp->ret;
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} else {
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if (strncmp(name, tp->name, sizeof (tp->name)) == 0)
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return tp->ret;
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}
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}
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return def_ret;
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}
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#ifdef CONSOLE_TTY
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/*
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* is someone logged in on Console?
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*/
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int
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on_console(head)
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struct utmp_list *head;
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{
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struct utmp_list *up;
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for (up = head; up; up = up->next) {
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if (strncmp(up->usr.ut_line, Console,
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sizeof (up->usr.ut_line)) == 0)
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return 1;
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}
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return 0;
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}
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#endif
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/*
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* update user's login time
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*/
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struct user_list *
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update_user(head, name, secs)
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struct user_list *head;
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char *name;
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time_t secs;
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{
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struct user_list *up;
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for (up = head; up != NULL; up = up->next) {
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1994-11-14 20:26:52 +00:00
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if (strncmp(up->name, name, UT_NAMESIZE) == 0) {
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1994-09-26 22:12:27 +00:00
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up->secs += secs;
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Total += secs;
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return head;
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}
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}
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/*
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* not found so add new user unless specified users only
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*/
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if (Flags & AC_U)
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return head;
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1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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if ((up = NEW(struct user_list)) == NULL)
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1999-10-12 19:27:11 +00:00
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errx(1, "malloc failed");
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1994-09-26 22:12:27 +00:00
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up->next = head;
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2001-07-24 11:36:56 +00:00
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strlcpy(up->name, name, sizeof (up->name));
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1994-09-26 22:12:27 +00:00
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up->secs = secs;
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Total += secs;
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return up;
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}
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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FILE *fp;
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int c;
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1995-10-26 23:10:10 +00:00
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(void) setlocale(LC_TIME, "");
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1994-09-26 22:12:27 +00:00
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fp = NULL;
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1997-03-31 05:11:47 +00:00
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while ((c = getopt(argc, argv, "Dc:dpt:w:")) != -1) {
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1994-09-26 22:12:27 +00:00
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switch (c) {
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#ifdef DEBUG
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case 'D':
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Debug++;
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break;
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#endif
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case 'c':
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#ifdef CONSOLE_TTY
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Console = optarg;
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#else
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usage(); /* XXX */
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#endif
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break;
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case 'd':
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Flags |= AC_D;
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break;
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case 'p':
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Flags |= AC_P;
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break;
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case 't': /* only do specified ttys */
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add_tty(optarg);
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break;
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case 'w':
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fp = file(optarg);
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break;
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case '?':
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default:
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usage();
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break;
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}
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}
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if (optind < argc) {
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/*
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* initialize user list
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*/
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for (; optind < argc; optind++) {
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Users = update_user(Users, argv[optind], 0L);
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}
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Flags |= AC_U; /* freeze user list */
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}
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if (Flags & AC_D)
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Flags &= ~AC_P;
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if (fp == NULL) {
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/*
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* if _PATH_WTMP does not exist, exit quietly
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*/
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if (access(_PATH_WTMP, 0) != 0 && errno == ENOENT)
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return 0;
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1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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fp = file(_PATH_WTMP);
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}
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ac(fp);
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1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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return 0;
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}
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/*
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* print login time in decimal hours
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*/
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void
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show(name, secs)
|
2001-06-24 18:41:30 +00:00
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const char *name;
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1994-09-26 22:12:27 +00:00
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time_t secs;
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{
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(void)printf("\t%-*s %8.2f\n", UT_NAMESIZE, name,
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((double)secs / 3600));
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}
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void
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show_users(list)
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struct user_list *list;
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{
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struct user_list *lp;
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for (lp = list; lp; lp = lp->next)
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show(lp->name, lp->secs);
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}
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/*
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* print total login time for 24hr period in decimal hours
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*/
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void
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show_today(users, logins, secs)
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struct user_list *users;
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struct utmp_list *logins;
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time_t secs;
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{
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struct user_list *up;
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struct utmp_list *lp;
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char date[64];
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time_t yesterday = secs - 1;
|
2001-03-21 13:41:03 +00:00
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static int d_first = -1;
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1994-09-26 22:12:27 +00:00
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2001-03-21 13:41:03 +00:00
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if (d_first < 0)
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d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
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(void)strftime(date, sizeof (date),
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d_first ? "%e %b total" : "%b %e total",
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localtime(&yesterday));
|
1994-09-26 22:12:27 +00:00
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/* restore the missing second */
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yesterday++;
|
1995-05-30 03:57:47 +00:00
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1994-09-26 22:12:27 +00:00
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for (lp = logins; lp != NULL; lp = lp->next) {
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secs = yesterday - lp->usr.ut_time;
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Users = update_user(Users, lp->usr.ut_name, secs);
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lp->usr.ut_time = yesterday; /* as if they just logged in */
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}
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secs = 0;
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for (up = users; up != NULL; up = up->next) {
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secs += up->secs;
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up->secs = 0; /* for next day */
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}
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if (secs)
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(void)printf("%s %11.2f\n", date, ((double)secs / 3600));
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}
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/*
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|
|
* log a user out and update their times.
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|
|
* if ut_line is "~", we log all users out as the system has
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* been shut down.
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*/
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struct utmp_list *
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log_out(head, up)
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struct utmp_list *head;
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|
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struct utmp *up;
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|
|
{
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struct utmp_list *lp, *lp2, *tlp;
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|
|
time_t secs;
|
1995-05-30 03:57:47 +00:00
|
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|
|
1994-09-26 22:12:27 +00:00
|
|
|
for (lp = head, lp2 = NULL; lp != NULL; )
|
|
|
|
if (*up->ut_line == '~' || strncmp(lp->usr.ut_line, up->ut_line,
|
|
|
|
sizeof (up->ut_line)) == 0) {
|
|
|
|
secs = up->ut_time - lp->usr.ut_time;
|
|
|
|
Users = update_user(Users, lp->usr.ut_name, secs);
|
|
|
|
#ifdef DEBUG
|
|
|
|
if (Debug)
|
|
|
|
printf("%-.*s %-.*s: %-.*s logged out (%2d:%02d:%02d)\n",
|
|
|
|
19, ctime(&up->ut_time),
|
|
|
|
sizeof (lp->usr.ut_line), lp->usr.ut_line,
|
|
|
|
sizeof (lp->usr.ut_name), lp->usr.ut_name,
|
|
|
|
secs / 3600, (secs % 3600) / 60, secs % 60);
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
* now lose it
|
|
|
|
*/
|
|
|
|
tlp = lp;
|
|
|
|
lp = lp->next;
|
|
|
|
if (tlp == head)
|
|
|
|
head = lp;
|
|
|
|
else if (lp2 != NULL)
|
|
|
|
lp2->next = lp;
|
|
|
|
free(tlp);
|
|
|
|
} else {
|
|
|
|
lp2 = lp;
|
|
|
|
lp = lp->next;
|
|
|
|
}
|
|
|
|
return head;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* if do_tty says ok, login a user
|
|
|
|
*/
|
|
|
|
struct utmp_list *
|
|
|
|
log_in(head, up)
|
|
|
|
struct utmp_list *head;
|
|
|
|
struct utmp *up;
|
|
|
|
{
|
|
|
|
struct utmp_list *lp;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* this could be a login. if we're not dealing with
|
|
|
|
* the console name, say it is.
|
|
|
|
*
|
|
|
|
* If we are, and if ut_host==":0.0" we know that it
|
|
|
|
* isn't a real login. _But_ if we have not yet recorded
|
|
|
|
* someone being logged in on Console - due to the wtmp
|
|
|
|
* file starting after they logged in, we'll pretend they
|
|
|
|
* logged in, at the start of the wtmp file.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef CONSOLE_TTY
|
|
|
|
if (up->ut_host[0] == ':') {
|
|
|
|
/*
|
|
|
|
* SunOS 4.0.2 does not treat ":0.0" as special but we
|
1995-05-30 03:57:47 +00:00
|
|
|
* do.
|
1994-09-26 22:12:27 +00:00
|
|
|
*/
|
|
|
|
if (on_console(head))
|
|
|
|
return head;
|
|
|
|
/*
|
|
|
|
* ok, no recorded login, so they were here when wtmp
|
1995-05-30 03:57:47 +00:00
|
|
|
* started! Adjust ut_time!
|
1994-09-26 22:12:27 +00:00
|
|
|
*/
|
|
|
|
up->ut_time = FirstTime;
|
|
|
|
/*
|
|
|
|
* this allows us to pick the right logout
|
|
|
|
*/
|
2001-07-24 11:36:56 +00:00
|
|
|
strlcpy(up->ut_line, Console, sizeof (up->ut_line));
|
1994-09-26 22:12:27 +00:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
|
|
* If we are doing specified ttys only, we ignore
|
|
|
|
* anything else.
|
|
|
|
*/
|
|
|
|
if (Flags & AC_T)
|
|
|
|
if (!do_tty(up->ut_line))
|
|
|
|
return head;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* go ahead and log them in
|
|
|
|
*/
|
|
|
|
if ((lp = NEW(struct utmp_list)) == NULL)
|
1999-10-12 19:27:11 +00:00
|
|
|
errx(1, "malloc failed");
|
1994-09-26 22:12:27 +00:00
|
|
|
lp->next = head;
|
|
|
|
head = lp;
|
|
|
|
memmove((char *)&lp->usr, (char *)up, sizeof (struct utmp));
|
|
|
|
#ifdef DEBUG
|
|
|
|
if (Debug) {
|
|
|
|
printf("%-.*s %-.*s: %-.*s logged in", 19,
|
|
|
|
ctime(&lp->usr.ut_time), sizeof (up->ut_line),
|
|
|
|
up->ut_line, sizeof (up->ut_name), up->ut_name);
|
|
|
|
if (*up->ut_host)
|
|
|
|
printf(" (%-.*s)", sizeof (up->ut_host), up->ut_host);
|
|
|
|
putchar('\n');
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
return head;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
ac(fp)
|
|
|
|
FILE *fp;
|
|
|
|
{
|
|
|
|
struct utmp_list *lp, *head = NULL;
|
|
|
|
struct utmp usr;
|
|
|
|
struct tm *ltm;
|
|
|
|
time_t secs;
|
|
|
|
int day = -1;
|
1995-05-30 03:57:47 +00:00
|
|
|
|
1994-09-26 22:12:27 +00:00
|
|
|
while (fread((char *)&usr, sizeof(usr), 1, fp) == 1) {
|
|
|
|
if (!FirstTime)
|
|
|
|
FirstTime = usr.ut_time;
|
|
|
|
if (Flags & AC_D) {
|
2002-01-19 23:20:02 +00:00
|
|
|
time_t t = _int_to_time(usr.ut_time);
|
2001-10-29 00:36:01 +00:00
|
|
|
ltm = localtime(&t);
|
1994-09-26 22:12:27 +00:00
|
|
|
if (day >= 0 && day != ltm->tm_yday) {
|
|
|
|
day = ltm->tm_yday;
|
|
|
|
/*
|
|
|
|
* print yesterday's total
|
|
|
|
*/
|
|
|
|
secs = usr.ut_time;
|
|
|
|
secs -= ltm->tm_sec;
|
|
|
|
secs -= 60 * ltm->tm_min;
|
|
|
|
secs -= 3600 * ltm->tm_hour;
|
|
|
|
show_today(Users, head, secs);
|
|
|
|
} else
|
|
|
|
day = ltm->tm_yday;
|
|
|
|
}
|
|
|
|
switch(*usr.ut_line) {
|
|
|
|
case '|':
|
|
|
|
secs = usr.ut_time;
|
|
|
|
break;
|
|
|
|
case '{':
|
|
|
|
secs -= usr.ut_time;
|
|
|
|
/*
|
|
|
|
* adjust time for those logged in
|
|
|
|
*/
|
|
|
|
for (lp = head; lp != NULL; lp = lp->next)
|
|
|
|
lp->usr.ut_time -= secs;
|
|
|
|
break;
|
|
|
|
case '~': /* reboot or shutdown */
|
|
|
|
head = log_out(head, &usr);
|
|
|
|
FirstTime = usr.ut_time; /* shouldn't be needed */
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/*
|
1998-07-02 05:34:08 +00:00
|
|
|
* if they came in on tty[p-sP-S]*, then it is only
|
1994-09-26 22:12:27 +00:00
|
|
|
* a login session if the ut_host field is non-empty
|
|
|
|
*/
|
|
|
|
if (*usr.ut_name) {
|
2001-08-05 09:41:20 +00:00
|
|
|
if (strncmp(usr.ut_line, "tty", 3) == 0 ||
|
|
|
|
strchr("pqrsPQRS", usr.ut_line[3]) != 0 ||
|
1994-09-26 22:12:27 +00:00
|
|
|
*usr.ut_host != '\0')
|
|
|
|
head = log_in(head, &usr);
|
|
|
|
} else
|
|
|
|
head = log_out(head, &usr);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
(void)fclose(fp);
|
1998-05-25 05:21:29 +00:00
|
|
|
if (!(Flags & AC_W))
|
|
|
|
usr.ut_time = time((time_t *)0);
|
1994-09-26 22:12:27 +00:00
|
|
|
(void)strcpy(usr.ut_line, "~");
|
1995-05-30 03:57:47 +00:00
|
|
|
|
1994-09-26 22:12:27 +00:00
|
|
|
if (Flags & AC_D) {
|
2002-01-19 23:20:02 +00:00
|
|
|
time_t t = _int_to_time(usr.ut_time);
|
2001-10-29 00:36:01 +00:00
|
|
|
ltm = localtime(&t);
|
1994-09-26 22:12:27 +00:00
|
|
|
if (day >= 0 && day != ltm->tm_yday) {
|
|
|
|
/*
|
|
|
|
* print yesterday's total
|
|
|
|
*/
|
|
|
|
secs = usr.ut_time;
|
|
|
|
secs -= ltm->tm_sec;
|
|
|
|
secs -= 60 * ltm->tm_min;
|
|
|
|
secs -= 3600 * ltm->tm_hour;
|
|
|
|
show_today(Users, head, secs);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* anyone still logged in gets time up to now
|
|
|
|
*/
|
|
|
|
head = log_out(head, &usr);
|
|
|
|
|
|
|
|
if (Flags & AC_D)
|
|
|
|
show_today(Users, head, time((time_t *)0));
|
|
|
|
else {
|
|
|
|
if (Flags & AC_P)
|
|
|
|
show_users(Users);
|
|
|
|
show("total", Total);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
usage()
|
|
|
|
{
|
|
|
|
(void)fprintf(stderr,
|
|
|
|
#ifdef CONSOLE_TTY
|
|
|
|
"ac [-dp] [-c console] [-t tty] [-w wtmp] [users ...]\n");
|
|
|
|
#else
|
|
|
|
"ac [-dp] [-t tty] [-w wtmp] [users ...]\n");
|
|
|
|
#endif
|
|
|
|
exit(1);
|
|
|
|
}
|