1 /* $NetBSD: kpasswd.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $ */
4 * Copyright (c) 1997-2004 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include "kpasswd_locl.h"
39 static int version_flag
;
41 static char *admin_principal_str
;
42 static char *cred_cache_str
;
44 static struct getargs args
[] = {
45 { "admin-principal", 0, arg_string
, &admin_principal_str
, NULL
,
47 { "cache", 'c', arg_string
, &cred_cache_str
, NULL
, NULL
},
48 { "version", 0, arg_flag
, &version_flag
, NULL
, NULL
},
49 { "help", 0, arg_flag
, &help_flag
, NULL
, NULL
}
53 usage (int ret
, struct getargs
*a
, int num_args
)
55 arg_printusage (a
, num_args
, NULL
, "[principal ...]");
60 change_password(krb5_context context
,
61 krb5_principal principal
,
64 krb5_data result_code_string
, result_string
;
70 krb5_data_zero (&result_code_string
);
71 krb5_data_zero (&result_string
);
74 if (principal
== NULL
)
75 asprintf(&msg
, "New password: ");
77 ret
= krb5_unparse_name(context
, principal
, &name
);
79 krb5_err(context
, 1, ret
, "krb5_unparse_name");
81 asprintf(&msg
, "New password for %s: ", name
);
85 krb5_errx (context
, 1, "out of memory");
87 ret
= UI_UTIL_read_pw_string (pwbuf
, sizeof(pwbuf
), msg
, 1);
95 ret
= krb5_set_password_using_ccache (context
, id
, pwbuf
,
101 krb5_warn (context
, ret
, "krb5_set_password_using_ccache");
105 printf ("%s%s%.*s\n", krb5_passwd_result_to_string(context
, result_code
),
106 result_string
.length
> 0 ? " : " : "",
107 (int)result_string
.length
,
108 result_string
.length
> 0 ? (char *)result_string
.data
: "");
110 krb5_data_free (&result_code_string
);
111 krb5_data_free (&result_string
);
118 main (int argc
, char **argv
)
121 krb5_context context
;
122 krb5_principal principal
;
123 krb5_get_init_creds_opt
*opt
;
124 krb5_ccache id
= NULL
;
128 setprogname(argv
[0]);
130 if(getarg(args
, sizeof(args
) / sizeof(args
[0]), argc
, argv
, &optidx
))
131 usage(1, args
, sizeof(args
) / sizeof(args
[0]));
133 usage(0, args
, sizeof(args
) / sizeof(args
[0]));
141 ret
= krb5_init_context (&context
);
143 errx (1, "krb5_init_context failed: %d", ret
);
145 ret
= krb5_get_init_creds_opt_alloc (context
, &opt
);
147 krb5_err(context
, 1, ret
, "krb5_get_init_creds_opt_alloc");
149 krb5_get_init_creds_opt_set_tkt_life (opt
, 300);
150 krb5_get_init_creds_opt_set_forwardable (opt
, FALSE
);
151 krb5_get_init_creds_opt_set_proxiable (opt
, FALSE
);
153 if (cred_cache_str
) {
154 ret
= krb5_cc_resolve(context
, cred_cache_str
, &id
);
156 krb5_err (context
, 1, ret
, "krb5_cc_resolve");
158 ret
= krb5_cc_new_unique(context
, krb5_cc_type_memory
, NULL
, &id
);
160 krb5_err (context
, 1, ret
, "krb5_cc_new_unique");
163 if (cred_cache_str
== NULL
) {
164 krb5_principal admin_principal
= NULL
;
167 if (admin_principal_str
) {
168 ret
= krb5_parse_name (context
, admin_principal_str
,
171 krb5_err (context
, 1, ret
, "krb5_parse_name");
172 } else if (argc
== 1) {
173 ret
= krb5_parse_name (context
, argv
[0], &admin_principal
);
175 krb5_err (context
, 1, ret
, "krb5_parse_name");
177 ret
= krb5_get_default_principal (context
, &admin_principal
);
179 krb5_err (context
, 1, ret
, "krb5_get_default_principal");
182 ret
= krb5_get_init_creds_password (context
,
194 case KRB5_LIBOS_PWDINTR
:
196 case KRB5KRB_AP_ERR_BAD_INTEGRITY
:
197 case KRB5KRB_AP_ERR_MODIFIED
:
198 krb5_errx(context
, 1, "Password incorrect");
201 krb5_err(context
, 1, ret
, "krb5_get_init_creds");
204 krb5_get_init_creds_opt_free(context
, opt
);
206 ret
= krb5_cc_initialize(context
, id
, admin_principal
);
207 krb5_free_principal(context
, admin_principal
);
209 krb5_err(context
, 1, ret
, "krb5_cc_initialize");
211 ret
= krb5_cc_store_cred(context
, id
, &cred
);
213 krb5_err(context
, 1, ret
, "krb5_cc_store_cred");
215 krb5_free_cred_contents (context
, &cred
);
219 exit_value
= change_password(context
, NULL
, id
);
225 ret
= krb5_parse_name (context
, argv
[0], &principal
);
227 krb5_err (context
, 1, ret
, "krb5_parse_name");
229 ret
= change_password(context
, principal
, id
);
232 krb5_free_principal(context
, principal
);
237 if (cred_cache_str
== NULL
) {
238 ret
= krb5_cc_destroy(context
, id
);
240 krb5_err (context
, 1, ret
, "krb5_cc_destroy");
242 ret
= krb5_cc_close(context
, id
);
244 krb5_err (context
, 1, ret
, "krb5_cc_close");
247 krb5_free_context (context
);