1/*
2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35
36RCSID("$Id: get_in_tkt_pw.c 13863 2004-05-25 21:46:46Z lha $");
37
38krb5_error_code KRB5_LIB_FUNCTION
39krb5_password_key_proc (krb5_context context,
40			krb5_enctype type,
41			krb5_salt salt,
42			krb5_const_pointer keyseed,
43			krb5_keyblock **key)
44{
45    krb5_error_code ret;
46    const char *password = (const char *)keyseed;
47    char buf[BUFSIZ];
48
49    *key = malloc (sizeof (**key));
50    if (*key == NULL) {
51	krb5_set_error_string(context, "malloc: out of memory");
52	return ENOMEM;
53    }
54    if (password == NULL) {
55	if(UI_UTIL_read_pw_string (buf, sizeof(buf), "Password: ", 0)) {
56	    free (*key);
57	    krb5_clear_error_string(context);
58	    return KRB5_LIBOS_PWDINTR;
59	}
60	password = buf;
61    }
62    ret = krb5_string_to_key_salt (context, type, password, salt, *key);
63    memset (buf, 0, sizeof(buf));
64    return ret;
65}
66
67krb5_error_code KRB5_LIB_FUNCTION
68krb5_get_in_tkt_with_password (krb5_context context,
69			       krb5_flags options,
70			       krb5_addresses *addrs,
71			       const krb5_enctype *etypes,
72			       const krb5_preauthtype *pre_auth_types,
73			       const char *password,
74			       krb5_ccache ccache,
75			       krb5_creds *creds,
76			       krb5_kdc_rep *ret_as_reply)
77{
78     return krb5_get_in_tkt (context,
79			     options,
80			     addrs,
81			     etypes,
82			     pre_auth_types,
83			     krb5_password_key_proc,
84			     password,
85			     NULL,
86			     NULL,
87			     creds,
88			     ccache,
89			     ret_as_reply);
90}
91