144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
|
|
* Copyright (c) 1997-2000 Kungliga Tekniska Högskolan
|
|
* (Royal Institute of Technology, Stockholm, Sweden).
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "kpasswd_locl.h"
|
|
RCSID("$Id: kpasswd.c,v 1.23 2000/12/31 07:48:34 assar Exp $");
|
|
|
|
static int version_flag;
|
|
static int help_flag;
|
|
|
|
static struct getargs args[] = {
|
|
{ "version", 0, arg_flag, &version_flag },
|
|
{ "help", 0, arg_flag, &help_flag }
|
|
};
|
|
|
|
static void
|
|
usage (int ret, struct getargs *a, int num_args)
|
|
{
|
|
arg_printusage (a, num_args, NULL, "[principal]");
|
|
exit (ret);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_context context;
|
|
krb5_principal principal;
|
|
int optind = 0;
|
|
krb5_get_init_creds_opt opt;
|
|
krb5_creds cred;
|
|
int result_code;
|
|
krb5_data result_code_string, result_string;
|
|
char pwbuf[BUFSIZ];
|
|
|
|
optind = krb5_program_setup(&context, argc, argv,
|
|
args, sizeof(args) / sizeof(args[0]), usage);
|
|
|
|
if (help_flag)
|
|
usage (0, args, sizeof(args) / sizeof(args[0]));
|
|
|
|
if(version_flag){
|
|
print_version (NULL);
|
|
exit(0);
|
|
}
|
|
|
|
krb5_get_init_creds_opt_init (&opt);
|
|
|
|
krb5_get_init_creds_opt_set_tkt_life (&opt, 300);
|
|
krb5_get_init_creds_opt_set_forwardable (&opt, FALSE);
|
|
krb5_get_init_creds_opt_set_proxiable (&opt, FALSE);
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc > 1)
|
|
usage (1, args, sizeof(args) / sizeof(args[0]));
|
|
|
|
ret = krb5_init_context (&context);
|
|
if (ret)
|
|
errx (1, "krb5_init_context failed: %d", ret);
|
|
|
|
if(argv[0]) {
|
|
ret = krb5_parse_name (context, argv[0], &principal);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_parse_name");
|
|
} else
|
|
principal = NULL;
|
|
|
|
ret = krb5_get_init_creds_password (context,
|
|
&cred,
|
|
principal,
|
|
NULL,
|
|
krb5_prompter_posix,
|
|
NULL,
|
|
0,
|
|
"kadmin/changepw",
|
|
&opt);
|
|
switch (ret) {
|
|
case 0:
|
|
break;
|
|
case KRB5_LIBOS_PWDINTR :
|
|
return 1;
|
|
case KRB5KRB_AP_ERR_BAD_INTEGRITY :
|
|
case KRB5KRB_AP_ERR_MODIFIED :
|
|
krb5_errx(context, 1, "Password incorrect");
|
|
break;
|
|
default:
|
|
krb5_err(context, 1, ret, "krb5_get_init_creds");
|
|
}
|
|
|
|
krb5_data_zero (&result_code_string);
|
|
krb5_data_zero (&result_string);
|
|
|
|
if(des_read_pw_string (pwbuf, sizeof(pwbuf), "New password: ", 1) != 0)
|
|
return 1;
|
|
|
|
ret = krb5_change_password (context, &cred, pwbuf,
|
|
&result_code,
|
|
&result_code_string,
|
|
&result_string);
|
|
if (ret)
|
|
krb5_err (context, 1, ret, "krb5_change_password");
|
|
|
|
printf ("Reply from server: %.*s\n", (int)result_string.length,
|
|
(char *)result_string.data);
|
|
|
|
krb5_data_free (&result_code_string);
|
|
krb5_data_free (&result_string);
|
|
|
|
krb5_free_creds_contents (context, &cred);
|
|
krb5_free_context (context);
|
|
return result_code;
|
|
}
|