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/*
* Copyright (c) 1997-2006 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"
#include "kadmin-commands.h"
RCSID("$Id: ank.c 16658 2006-01-25 12:29:46Z lha $");
/*
* 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
if(edit_entry(&princ, &mask, default_ent, default_mask))
goto out;
if(rand_key || key_data) {
princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
mask |= KADM5_ATTRIBUTES;
random_password (pwbuf, 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 = UI_UTIL_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1);
free (prompt);
if (ret) {
krb5_set_error_string(context, "failed to verify password");
ret = KRB5_LIBOS_BADPWDMATCH;
goto out;
}
password = pwbuf;
}
ret = kadm5_create_principal(kadm_handle, &princ, mask, password);
if(ret) {
krb5_warn(context, ret, "kadm5_create_principal");
goto out;
}
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]);
if (n_keys > 0)
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 (kadm_handle, 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
*/
/*
* Parse arguments and add all the principals.
*/
int
add_new_key(struct add_options *opt, int argc, char **argv)
{
krb5_error_code ret = 0;
int i;
int num;
krb5_key_data key_data[3];
krb5_key_data *kdp = NULL;
num = 0;
if (opt->random_key_flag)
++num;
if (opt->random_password_flag)
++num;
if (opt->password_string)
++num;
if (opt->key_string)
++num;
if (num > 1) {
fprintf (stderr, "give only one of "
"--random-key, --random-password, --password, --key\n");
return 1;
}
if (opt->key_string) {
const char *error;
if (parse_des_key (opt->key_string, key_data, &error)) {
fprintf (stderr, "failed parsing key \"%s\": %s\n",
opt->key_string, error);
return 1;
}
kdp = key_data;
}
for(i = 0; i < argc; i++) {
ret = add_one_principal (argv[i],
opt->random_key_flag,
opt->random_password_flag,
opt->use_defaults_flag,
opt->password_string,
kdp,
opt->max_ticket_life_string,
opt->max_renewable_life_string,
opt->attributes_string,
opt->expiration_time_string,
opt->pw_expiration_time_string);
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 ret != 0;
}
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