diff options
Diffstat (limited to 'crypto/heimdal/kpasswd/kpasswd.c')
| -rw-r--r-- | crypto/heimdal/kpasswd/kpasswd.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/crypto/heimdal/kpasswd/kpasswd.c b/crypto/heimdal/kpasswd/kpasswd.c new file mode 100644 index 000000000000..eecea783f8be --- /dev/null +++ b/crypto/heimdal/kpasswd/kpasswd.c @@ -0,0 +1,144 @@ +/* + * Copyright (c) 1997-1999 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 1.20 1999/12/02 17:05:00 joda 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) +{ + arg_printusage (args, + sizeof(args)/sizeof(*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]), NULL); + + if (help_flag) + usage (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); + + argc -= optind; + argv += optind; + + if (argc > 1) + usage(1); + + ret = krb5_init_context (&context); + if (ret) + errx (1, "krb5_init_context: %s", krb5_get_err_text(context, 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; +} |