364 lines
11 KiB
C
364 lines
11 KiB
C
/*
|
|
* Copyright (c) 1997-2001 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 "kadm5_locl.h"
|
|
|
|
RCSID("$Id$");
|
|
|
|
static kadm5_ret_t
|
|
get_default(kadm5_server_context *context, krb5_principal princ,
|
|
kadm5_principal_ent_t def)
|
|
{
|
|
kadm5_ret_t ret;
|
|
krb5_principal def_principal;
|
|
krb5_const_realm realm = krb5_principal_get_realm(context->context, princ);
|
|
|
|
ret = krb5_make_principal(context->context, &def_principal,
|
|
realm, "default", NULL);
|
|
if (ret)
|
|
return ret;
|
|
ret = kadm5_s_get_principal(context, def_principal, def,
|
|
KADM5_PRINCIPAL_NORMAL_MASK);
|
|
krb5_free_principal (context->context, def_principal);
|
|
|
|
if (ret) {
|
|
/* Copy defaults from kadmin/init.c */
|
|
memset(def, 0, sizeof(*def));
|
|
def->max_life = 24 * 60 * 60;
|
|
def->max_renewable_life = 7 * def->max_life;
|
|
def->attributes = KRB5_KDB_DISALLOW_ALL_TIX;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static kadm5_ret_t
|
|
create_principal(kadm5_server_context *context,
|
|
kadm5_principal_ent_t princ,
|
|
uint32_t mask,
|
|
hdb_entry *ent,
|
|
uint32_t required_mask,
|
|
uint32_t forbidden_mask)
|
|
{
|
|
kadm5_ret_t ret;
|
|
kadm5_principal_ent_rec defrec, *defent;
|
|
uint32_t def_mask;
|
|
|
|
memset(ent, 0, sizeof(*ent));
|
|
if((mask & required_mask) != required_mask)
|
|
return KADM5_BAD_MASK;
|
|
if((mask & forbidden_mask))
|
|
return KADM5_BAD_MASK;
|
|
if((mask & KADM5_POLICY) && strcmp(princ->policy, "default"))
|
|
/* XXX no real policies for now */
|
|
return KADM5_UNK_POLICY;
|
|
ret = krb5_copy_principal(context->context, princ->principal,
|
|
&ent->principal);
|
|
if(ret)
|
|
return ret;
|
|
|
|
defent = &defrec;
|
|
ret = get_default(context, princ->principal, defent);
|
|
if(ret) {
|
|
defent = NULL;
|
|
def_mask = 0;
|
|
} else {
|
|
def_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE;
|
|
}
|
|
|
|
ret = _kadm5_setup_entry(context,
|
|
ent, mask | def_mask,
|
|
princ, mask,
|
|
defent, def_mask);
|
|
if(defent)
|
|
kadm5_free_principal_ent(context, defent);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ent->created_by.time = time(NULL);
|
|
|
|
return krb5_copy_principal(context->context, context->caller,
|
|
&ent->created_by.principal);
|
|
}
|
|
|
|
struct create_principal_hook_ctx {
|
|
kadm5_server_context *context;
|
|
enum kadm5_hook_stage stage;
|
|
krb5_error_code code;
|
|
kadm5_principal_ent_t princ;
|
|
uint32_t mask;
|
|
const char *password;
|
|
};
|
|
|
|
static krb5_error_code KRB5_LIB_CALL
|
|
create_principal_hook_cb(krb5_context context,
|
|
const void *hook,
|
|
void *hookctx,
|
|
void *userctx)
|
|
{
|
|
krb5_error_code ret;
|
|
const struct kadm5_hook_ftable *ftable = hook;
|
|
struct create_principal_hook_ctx *ctx = userctx;
|
|
|
|
ret = ftable->create(context, hookctx,
|
|
ctx->stage, ctx->code, ctx->princ,
|
|
ctx->mask, ctx->password);
|
|
if (ret != 0 && ret != KRB5_PLUGIN_NO_HANDLE)
|
|
_kadm5_s_set_hook_error_message(ctx->context, ret, "create",
|
|
hook, ctx->stage);
|
|
|
|
/* only pre-commit plugins can abort */
|
|
if (ret == 0 || ctx->stage == KADM5_HOOK_STAGE_POSTCOMMIT)
|
|
ret = KRB5_PLUGIN_NO_HANDLE;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static kadm5_ret_t
|
|
create_principal_hook(kadm5_server_context *context,
|
|
enum kadm5_hook_stage stage,
|
|
krb5_error_code code,
|
|
kadm5_principal_ent_t princ,
|
|
uint32_t mask,
|
|
const char *password)
|
|
{
|
|
krb5_error_code ret;
|
|
struct create_principal_hook_ctx ctx;
|
|
|
|
ctx.context = context;
|
|
ctx.stage = stage;
|
|
ctx.code = code;
|
|
ctx.princ = princ;
|
|
ctx.mask = mask;
|
|
ctx.password = password;
|
|
|
|
ret = _krb5_plugin_run_f(context->context, &kadm5_hook_plugin_data,
|
|
0, &ctx, create_principal_hook_cb);
|
|
if (ret == KRB5_PLUGIN_NO_HANDLE)
|
|
ret = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
kadm5_ret_t
|
|
kadm5_s_create_principal_with_key(void *server_handle,
|
|
kadm5_principal_ent_t princ,
|
|
uint32_t mask)
|
|
{
|
|
kadm5_ret_t ret;
|
|
hdb_entry ent;
|
|
kadm5_server_context *context = server_handle;
|
|
|
|
if ((mask & KADM5_KVNO) == 0) {
|
|
/* create_principal() through _kadm5_setup_entry(), will need this */
|
|
princ->kvno = 1;
|
|
mask |= KADM5_KVNO;
|
|
}
|
|
|
|
ret = create_principal_hook(context, KADM5_HOOK_STAGE_PRECOMMIT,
|
|
0, princ, mask, NULL);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = create_principal(context, princ, mask, &ent,
|
|
KADM5_PRINCIPAL | KADM5_KEY_DATA,
|
|
KADM5_LAST_PWD_CHANGE | KADM5_MOD_TIME
|
|
| KADM5_MOD_NAME | KADM5_MKVNO
|
|
| KADM5_AUX_ATTRIBUTES
|
|
| KADM5_POLICY_CLR | KADM5_LAST_SUCCESS
|
|
| KADM5_LAST_FAILED | KADM5_FAIL_AUTH_COUNT);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!context->keep_open) {
|
|
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
|
|
if (ret) {
|
|
hdb_free_entry(context->context, context->db, &ent);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = kadm5_log_init(context);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = hdb_seal_keys(context->context, context->db, &ent);
|
|
if (ret)
|
|
goto out2;
|
|
|
|
/*
|
|
* This logs the change for iprop and writes to the HDB.
|
|
*
|
|
* Creation of would-be virtual principals w/o the materialize flag will be
|
|
* rejected in kadm5_log_create().
|
|
*/
|
|
ret = kadm5_log_create(context, &ent);
|
|
|
|
(void) create_principal_hook(context, KADM5_HOOK_STAGE_POSTCOMMIT,
|
|
ret, princ, mask, NULL);
|
|
|
|
out2:
|
|
(void) kadm5_log_end(context);
|
|
out:
|
|
if (!context->keep_open) {
|
|
kadm5_ret_t ret2;
|
|
ret2 = context->db->hdb_close(context->context, context->db);
|
|
if (ret == 0 && ret2 != 0)
|
|
ret = ret2;
|
|
}
|
|
hdb_free_entry(context->context, context->db, &ent);
|
|
return _kadm5_error_code(ret);
|
|
}
|
|
|
|
|
|
kadm5_ret_t
|
|
kadm5_s_create_principal(void *server_handle,
|
|
kadm5_principal_ent_t princ,
|
|
uint32_t mask,
|
|
int n_ks_tuple,
|
|
krb5_key_salt_tuple *ks_tuple,
|
|
const char *password)
|
|
{
|
|
kadm5_ret_t ret;
|
|
hdb_entry ent;
|
|
kadm5_server_context *context = server_handle;
|
|
int use_pw = 1;
|
|
|
|
if ((mask & KADM5_ATTRIBUTES) &&
|
|
(princ->attributes & (KRB5_KDB_VIRTUAL_KEYS | KRB5_KDB_VIRTUAL)) &&
|
|
!(princ->attributes & KRB5_KDB_MATERIALIZE)) {
|
|
return _kadm5_error_code(KADM5_DUP); /* XXX More like EINVAL */
|
|
}
|
|
if ((mask & KADM5_ATTRIBUTES) &&
|
|
(princ->attributes & KRB5_KDB_VIRTUAL_KEYS) &&
|
|
(princ->attributes & KRB5_KDB_VIRTUAL)) {
|
|
return _kadm5_error_code(KADM5_DUP); /* XXX More like EINVAL */
|
|
}
|
|
|
|
if ((mask & KADM5_ATTRIBUTES) &&
|
|
(princ->attributes & KRB5_KDB_VIRTUAL) &&
|
|
(princ->attributes & KRB5_KDB_MATERIALIZE))
|
|
princ->attributes &= ~(KRB5_KDB_MATERIALIZE | KRB5_KDB_VIRTUAL);
|
|
|
|
if (password[0] == '\0' && (mask & KADM5_KEY_DATA) && princ->n_key_data &&
|
|
!kadm5_all_keys_are_bogus(princ->n_key_data, princ->key_data))
|
|
use_pw = 0;
|
|
|
|
if (use_pw && _kadm5_enforce_pwqual_on_admin_set_p(context)) {
|
|
krb5_data pwd_data;
|
|
const char *pwd_reason;
|
|
|
|
pwd_data.data = rk_UNCONST(password);
|
|
pwd_data.length = strlen(password);
|
|
|
|
pwd_reason = kadm5_check_password_quality(context->context,
|
|
princ->principal, &pwd_data);
|
|
if (pwd_reason != NULL) {
|
|
krb5_set_error_message(context->context, KADM5_PASS_Q_DICT, "%s", pwd_reason);
|
|
return KADM5_PASS_Q_DICT;
|
|
}
|
|
}
|
|
|
|
if ((mask & KADM5_KVNO) == 0) {
|
|
/* create_principal() through _kadm5_setup_entry(), will need this */
|
|
princ->kvno = 1;
|
|
mask |= KADM5_KVNO;
|
|
}
|
|
|
|
ret = create_principal_hook(context, KADM5_HOOK_STAGE_PRECOMMIT,
|
|
0, princ, mask, password);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (use_pw)
|
|
ret = create_principal(context, princ, mask, &ent,
|
|
KADM5_PRINCIPAL,
|
|
KADM5_LAST_PWD_CHANGE | KADM5_MOD_TIME
|
|
| KADM5_MOD_NAME | KADM5_MKVNO
|
|
| KADM5_AUX_ATTRIBUTES | KADM5_KEY_DATA
|
|
| KADM5_POLICY_CLR | KADM5_LAST_SUCCESS
|
|
| KADM5_LAST_FAILED | KADM5_FAIL_AUTH_COUNT);
|
|
else
|
|
ret = create_principal(context, princ, mask, &ent,
|
|
KADM5_PRINCIPAL | KADM5_KEY_DATA,
|
|
KADM5_LAST_PWD_CHANGE | KADM5_MOD_TIME
|
|
| KADM5_MOD_NAME | KADM5_MKVNO
|
|
| KADM5_AUX_ATTRIBUTES
|
|
| KADM5_POLICY_CLR | KADM5_LAST_SUCCESS
|
|
| KADM5_LAST_FAILED | KADM5_FAIL_AUTH_COUNT);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!context->keep_open) {
|
|
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
|
|
if (ret) {
|
|
hdb_free_entry(context->context, context->db, &ent);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = kadm5_log_init(context);
|
|
if (ret)
|
|
goto out;
|
|
|
|
free_Keys(&ent.keys);
|
|
|
|
if (use_pw) {
|
|
ret = _kadm5_set_keys(context, &ent, n_ks_tuple, ks_tuple, password);
|
|
if (ret)
|
|
goto out2;
|
|
}
|
|
|
|
ret = hdb_seal_keys(context->context, context->db, &ent);
|
|
if (ret)
|
|
goto out2;
|
|
|
|
/* This logs the change for iprop and writes to the HDB */
|
|
ret = kadm5_log_create(context, &ent);
|
|
|
|
(void) create_principal_hook(context, KADM5_HOOK_STAGE_POSTCOMMIT,
|
|
ret, princ, mask, password);
|
|
|
|
out2:
|
|
(void) kadm5_log_end(context);
|
|
out:
|
|
if (!context->keep_open) {
|
|
kadm5_ret_t ret2;
|
|
ret2 = context->db->hdb_close(context->context, context->db);
|
|
if (ret == 0 && ret2 != 0)
|
|
ret = ret2;
|
|
}
|
|
hdb_free_entry(context->context, context->db, &ent);
|
|
return _kadm5_error_code(ret);
|
|
}
|
|
|