freebsd-dev/crypto/heimdal/kadmin/ank.c

313 lines
8.9 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 "kadmin_locl.h"
RCSID("$Id: ank.c,v 1.22 2001/08/10 08:08:22 joda Exp $");
/*
* fetch the default principal corresponding to `princ'
*/
static krb5_error_code
get_default (kadm5_server_context *context,
krb5_principal princ,
kadm5_principal_ent_t default_ent)
{
krb5_error_code ret;
krb5_principal def_principal;
krb5_realm *realm = krb5_princ_realm(context->context, princ);
ret = krb5_make_principal (context->context, &def_principal,
*realm, "default", NULL);
if (ret)
return ret;
ret = kadm5_get_principal (context, def_principal, default_ent,
KADM5_PRINCIPAL_NORMAL_MASK);
krb5_free_principal (context->context, def_principal);
return ret;
}
/*
* Add the principal `name' to the database.
* Prompt for all data not given by the input parameters.
*/
static krb5_error_code
add_one_principal (const char *name,
int rand_key,
int rand_password,
int use_defaults,
char *password,
krb5_key_data *key_data,
const char *max_ticket_life,
const char *max_renewable_life,
const char *attributes,
const char *expiration,
const char *pw_expiration)
{
krb5_error_code ret;
kadm5_principal_ent_rec princ, defrec;
kadm5_principal_ent_rec *default_ent = NULL;
krb5_principal princ_ent = NULL;
int mask = 0;
int default_mask = 0;
char pwbuf[1024];
memset(&princ, 0, sizeof(princ));
ret = krb5_parse_name(context, name, &princ_ent);
if (ret) {
krb5_warn(context, ret, "krb5_parse_name");
return ret;
}
princ.principal = princ_ent;
mask |= KADM5_PRINCIPAL;
ret = set_entry(context, &princ, &mask,
max_ticket_life, max_renewable_life,
expiration, pw_expiration, attributes);
if (ret)
goto out;
default_ent = &defrec;
ret = get_default (kadm_handle, princ_ent, default_ent);
if (ret) {
default_ent = NULL;
default_mask = 0;
} else {
default_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE |
KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION;
}
if(use_defaults)
set_defaults(&princ, &mask, default_ent, default_mask);
else
edit_entry(&princ, &mask, default_ent, default_mask);
if(rand_key || key_data) {
princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
mask |= KADM5_ATTRIBUTES;
strlcpy (pwbuf, "hemlig", sizeof(pwbuf));
password = pwbuf;
} else if (rand_password) {
random_password (pwbuf, sizeof(pwbuf));
password = pwbuf;
} else if(password == NULL) {
char *princ_name;
char *prompt;
krb5_unparse_name(context, princ_ent, &princ_name);
asprintf (&prompt, "%s's Password: ", princ_name);
free (princ_name);
ret = des_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1);
free (prompt);
if (ret)
goto out;
password = pwbuf;
}
ret = kadm5_create_principal(kadm_handle, &princ, mask, password);
if(ret)
krb5_warn(context, ret, "kadm5_create_principal");
if(rand_key) {
krb5_keyblock *new_keys;
int n_keys, i;
ret = kadm5_randkey_principal(kadm_handle, princ_ent,
&new_keys, &n_keys);
if(ret){
krb5_warn(context, ret, "kadm5_randkey_principal");
n_keys = 0;
}
for(i = 0; i < n_keys; i++)
krb5_free_keyblock_contents(context, &new_keys[i]);
free(new_keys);
kadm5_get_principal(kadm_handle, princ_ent, &princ,
KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES);
princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
princ.kvno = 1;
kadm5_modify_principal(kadm_handle, &princ,
KADM5_ATTRIBUTES | KADM5_KVNO);
kadm5_free_principal_ent(kadm_handle, &princ);
} else if (key_data) {
ret = kadm5_chpass_principal_with_key (kadm_handle, princ_ent,
3, key_data);
if (ret) {
krb5_warn(context, ret, "kadm5_chpass_principal_with_key");
}
kadm5_get_principal(kadm_handle, princ_ent, &princ,
KADM5_PRINCIPAL | KADM5_ATTRIBUTES);
princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
kadm5_modify_principal(kadm_handle, &princ, KADM5_ATTRIBUTES);
kadm5_free_principal_ent(kadm_handle, &princ);
} else if (rand_password) {
char *princ_name;
krb5_unparse_name(context, princ_ent, &princ_name);
printf ("added %s with password `%s'\n", princ_name, password);
free (princ_name);
}
out:
if (princ_ent)
krb5_free_principal (context, princ_ent);
if(default_ent)
kadm5_free_principal_ent (context, default_ent);
if (password != NULL)
memset (password, 0, strlen(password));
return ret;
}
/*
* parse the string `key_string' into `key', returning 0 iff succesful.
*/
/*
* the ank command
*/
static struct getargs args[] = {
{ "random-key", 'r', arg_flag, NULL, "set random key" },
{ "random-password", 0, arg_flag, NULL, "set random password" },
{ "password", 'p', arg_string, NULL, "princial's password" },
{ "key", 0, arg_string, NULL, "DES-key in hex" },
{ "max-ticket-life", 0, arg_string, NULL, "max ticket lifetime",
"lifetime"},
{ "max-renewable-life", 0, arg_string, NULL,
"max renewable lifetime", "lifetime" },
{ "attributes", 0, arg_string, NULL, "principal attributes",
"attributes"},
{ "expiration-time",0, arg_string, NULL, "expiration time",
"time"},
{ "pw-expiration-time", 0, arg_string, NULL,
"password expiration time", "time"},
{ "use-defaults", 0, arg_flag, NULL, "use default values" }
};
static int num_args = sizeof(args) / sizeof(args[0]);
static void
usage(void)
{
arg_printusage (args, num_args, "add", "principal...");
}
/*
* Parse arguments and add all the principals.
*/
int
add_new_key(int argc, char **argv)
{
char *password = NULL;
char *key = NULL;
int random_key = 0;
int random_password = 0;
int optind = 0;
krb5_error_code ret;
char *max_ticket_life = NULL;
char *max_renewable_life = NULL;
char *attributes = NULL;
char *expiration = NULL;
char *pw_expiration = NULL;
int use_defaults = 0;
int i;
int num;
krb5_key_data key_data[3];
krb5_key_data *kdp = NULL;
args[0].value = &random_key;
args[1].value = &random_password;
args[2].value = &password;
args[3].value = &key;
args[4].value = &max_ticket_life;
args[5].value = &max_renewable_life;
args[6].value = &attributes;
args[7].value = &expiration;
args[8].value = &pw_expiration;
args[9].value = &use_defaults;
if(getarg(args, num_args, argc, argv, &optind)) {
usage ();
return 0;
}
if(optind == argc) {
usage ();
return 0;
}
num = 0;
if (random_key)
++num;
if (random_password)
++num;
if (password)
++num;
if (key)
++num;
if (num > 1) {
printf ("give only one of "
"--random-key, --random-password, --password, --key\n");
return 0;
}
if (key) {
const char *error;
if (parse_des_key (key, key_data, &error)) {
printf ("failed parsing key `%s': %s\n", key, error);
return 0;
}
kdp = key_data;
}
for (i = optind; i < argc; ++i) {
ret = add_one_principal (argv[i], random_key, random_password,
use_defaults,
password,
kdp,
max_ticket_life,
max_renewable_life,
attributes,
expiration,
pw_expiration);
if (ret) {
krb5_warn (context, ret, "adding %s", argv[i]);
break;
}
}
if (kdp) {
int16_t dummy = 3;
kadm5_free_key_data (kadm_handle, &dummy, key_data);
}
return 0;
}