Sprite 1984 - 1993/Sprite 1984 - 1993.iso/src/cmds/chpass/RCS/util.c,v

Text File | 1990-07-12 | 4.3 KB | 184 lines

head     1.1;
branch   ;
access   ;
symbols  ;
locks    ; strict;
comment  @ * @;


1.1
date     90.07.11.18.15.35;  author shirriff;  state Exp;
branches ;
next     ;


desc
@@



1.1
log
@Initial revision
@
text
@/*
 * Copyright (c) 1988 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@@(#)util.c    5.9 (Berkeley) 3/27/89";
#endif /* not lint */

#include <sys/types.h>
#include <sys/time.h>
#include <pwd.h>
#include <stdio.h>
#include <chpass.h>
#include <strings.h>
#include <ctype.h>
#include "pathnames.h"

static int dmsize[] =
    { -1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
static char *months[] =
    { "January", "February", "March", "April", "May", "June",
      "July", "August", "September", "October", "November",
      "December", NULL };
char *
ttoa(tval)
    time_t tval;
{
    struct tm *tp;
    static char tbuf[50];

    if (tval) {
        tp = localtime(&tval);
        (void)sprintf(tbuf, "%s %d, 19%d", months[tp->tm_mon],
            tp->tm_mday, tp->tm_year);
    }
    else
        *tbuf = '\0';
    return(tbuf);
}

atot(p, store)
    char *p;
    time_t *store;
{
    register char *t, **mp;
    static struct tm *lt;
    time_t tval, time();
    int day, month, year;

    if (!*p) {
        *store = 0;
        return(0);
    }
    if (!lt) {
        unsetenv("TZ");
        (void)time(&tval);
        lt = localtime(&tval);
    }
    if (!(t = strtok(p, " \t")))
        goto bad;
    for (mp = months;; ++mp) {
        if (!*mp)
            goto bad;
        if (!strncasecmp(*mp, t, 3)) {
            month = mp - months + 1;
            break;
        }
    }
    if (!(t = strtok((char *)NULL, " \t,")) || !isdigit(*t))
        goto bad;
    day = atoi(t);
    if (!(t = strtok((char *)NULL, " \t,")) || !isdigit(*t))
        goto bad;
    year = atoi(t);
    if (day < 1 || day > 31 || month < 1 || month > 12 || !year)
        goto bad;

#define    TM_YEAR_BASE    1900
#define    EPOCH_YEAR    1970
#define    DAYSPERNYEAR    365
#define    DAYSPERLYEAR    366
#define    HOURSPERDAY    24
#define    MINSPERHOUR    60
#define    SECSPERMIN    60
#define    isleap(y) (((y) % 4) == 0 && ((y) % 100) != 0 || ((y) % 400) == 0)

    if (year < 100)
        year += TM_YEAR_BASE;
    if (year <= EPOCH_YEAR)
bad:        return(1);
    tval = isleap(year) && month > 2;
    for (--year; year >= EPOCH_YEAR; --year)
        tval += isleap(year) ?
            DAYSPERLYEAR : DAYSPERNYEAR;
    while (--month)
        tval += dmsize[month];
    tval += day;
    tval = tval * HOURSPERDAY * MINSPERHOUR * SECSPERMIN;
    tval -= lt->tm_gmtoff;
    *store = tval;
    return(0);
}

print(fp, pw)
    FILE *fp;
    struct passwd *pw;
{
    register char *p;
    char *getusershell(), *ttoa();

    fprintf(fp, "#Changing user database information for %s.\n",
        pw->pw_name);
    if (!uid) {
        fprintf(fp, "Login: %s\n", pw->pw_name);
        fprintf(fp, "Password: %s\n", pw->pw_passwd);
        fprintf(fp, "Uid [#]: %d\n", pw->pw_uid);
        fprintf(fp, "Gid [# or name]: %d\n", pw->pw_gid);
        fprintf(fp, "Change [month day year]: %s\n", ttoa(pw->pw_change));
        fprintf(fp, "Expire [month day year]: %s\n", ttoa(pw->pw_expire));
        fprintf(fp, "Class: %s\n", pw->pw_class);
        fprintf(fp, "Home directory: %s\n", pw->pw_dir);
        fprintf(fp, "Shell: %s\n",
            *pw->pw_shell ? pw->pw_shell : _PATH_BSHELL);
    }
    else {
        /* only admin can change "restricted" shells */
        setusershell();
        for (;;)
            if (!(p = getusershell()))
                break;
            else if (!strcmp(pw->pw_shell, p)) {
                fprintf(fp, "Shell: %s\n", *pw->pw_shell ?
                    pw->pw_shell : _PATH_BSHELL);
                break;
            }
    }
    p = strsep(pw->pw_gecos, ",");
    fprintf(fp, "Full Name: %s\n", p ? p : "");
    p = strsep((char *)NULL, ",");
    fprintf(fp, "Location: %s\n", p ? p : "");
    p = strsep((char *)NULL, ",");
    fprintf(fp, "Office Phone: %s\n", p ? p : "");
    p = strsep((char *)NULL, ",");
    fprintf(fp, "Home Phone: %s\n", p ? p : "");
}
@