1 /* $OpenBSD: login_passwd.c,v 1.10 2014/09/16 22:07:02 tedu Exp $ */
4 * Copyright (c) 2001 Hans Insulander <hin@openbsd.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 pwd_login(char *username
, char *password
, char *wheel
, int lastchance
,
37 char *goodhash
= NULL
;
40 if (wheel
!= NULL
&& strcmp(wheel
, "yes") != 0) {
41 fprintf(back
, BI_VALUE
" errormsg %s\n",
42 auth_mkvalue("you are not in group wheel"));
43 fprintf(back
, BI_REJECT
"\n");
49 pwd
= getpwnam(username
);
51 goodhash
= pwd
->pw_passwd
;
53 setpriority(PRIO_PROCESS
, 0, -4);
54 if (crypt_checkpass(password
, goodhash
) == 0)
56 plen
= strlen(password
);
57 explicit_bzero(password
, plen
);
62 if (login_check_expire(back
, pwd
, class, lastchance
) == 0)
63 fprintf(back
, BI_AUTH
"\n");