oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity
Files
e6ed2bc9df68ce8b5d88f596a48a6fce2ae6c7d6
heimdal/lib/kadm5/marshall.c
Nicolas Williams b80b21c8a8 Make kadmin ext work when lacking get-keys priv 
When we added the get-keys privilege we lost the ability to setup
keytabs with the kadmin ext command.  The fix is to note that we got
bogus key data and randkey (as we used to).
2014-03-25 21:45:10 -05:00

386 lines
10 KiB
C
Raw Blame History

/*
* 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 "kadm5_locl.h"
RCSID("$Id$");
kadm5_ret_t
kadm5_store_key_data(krb5_storage *sp,
krb5_key_data *key)
{
krb5_data c;
krb5_store_int32(sp, key->key_data_ver);
krb5_store_int32(sp, key->key_data_kvno);
krb5_store_int32(sp, key->key_data_type[0]);
c.length = key->key_data_length[0];
c.data = key->key_data_contents[0];
krb5_store_data(sp, c);
krb5_store_int32(sp, key->key_data_type[1]);
c.length = key->key_data_length[1];
c.data = key->key_data_contents[1];
krb5_store_data(sp, c);
return 0;
}
kadm5_ret_t
kadm5_store_fake_key_data(krb5_storage *sp,
krb5_key_data *key)
{
krb5_data c;
krb5_store_int32(sp, key->key_data_ver);
krb5_store_int32(sp, key->key_data_kvno);
krb5_store_int32(sp, key->key_data_type[0]);
/*
* This is the key contents. We want it to be obvious to the client
* (if it really did want the keys) that the key won't work.
* 32-bit keys are no good for any enctype, so that should do.
* Clients that didn't need keys will ignore this, and clients that
* did want keys will either fail or they'll, say, create bogus
* keytab entries that will subsequently fail to be useful.
*/
c.length = sizeof (KADM5_BOGUS_KEY_DATA) - 1;
c.data = KADM5_BOGUS_KEY_DATA;
krb5_store_data(sp, c);
/* This is the salt -- no need to send garbage */
krb5_store_int32(sp, key->key_data_type[1]);
c.length = key->key_data_length[1];
c.data = key->key_data_contents[1];
krb5_store_data(sp, c);
return 0;
}
kadm5_ret_t
kadm5_ret_key_data(krb5_storage *sp,
krb5_key_data *key)
{
krb5_data c;
int32_t tmp;
krb5_ret_int32(sp, &tmp);
key->key_data_ver = tmp;
krb5_ret_int32(sp, &tmp);
key->key_data_kvno = tmp;
krb5_ret_int32(sp, &tmp);
key->key_data_type[0] = tmp;
krb5_ret_data(sp, &c);
key->key_data_length[0] = c.length;
key->key_data_contents[0] = c.data;
krb5_ret_int32(sp, &tmp);
key->key_data_type[1] = tmp;
krb5_ret_data(sp, &c);
key->key_data_length[1] = c.length;
key->key_data_contents[1] = c.data;
return 0;
}
kadm5_ret_t
kadm5_store_tl_data(krb5_storage *sp,
krb5_tl_data *tl)
{
krb5_data c;
krb5_store_int32(sp, tl->tl_data_type);
c.length = tl->tl_data_length;
c.data = tl->tl_data_contents;
krb5_store_data(sp, c);
return 0;
}
kadm5_ret_t
kadm5_ret_tl_data(krb5_storage *sp,
krb5_tl_data *tl)
{
krb5_data c;
int32_t tmp;
krb5_ret_int32(sp, &tmp);
tl->tl_data_type = tmp;
krb5_ret_data(sp, &c);
tl->tl_data_length = c.length;
tl->tl_data_contents = c.data;
return 0;
}
static kadm5_ret_t
store_principal_ent(krb5_storage *sp,
kadm5_principal_ent_t princ,
uint32_t mask, int wkeys)
{
int i;
if (mask & KADM5_PRINCIPAL)
krb5_store_principal(sp, princ->principal);
if (mask & KADM5_PRINC_EXPIRE_TIME)
krb5_store_int32(sp, princ->princ_expire_time);
if (mask & KADM5_PW_EXPIRATION)
krb5_store_int32(sp, princ->pw_expiration);
if (mask & KADM5_LAST_PWD_CHANGE)
krb5_store_int32(sp, princ->last_pwd_change);
if (mask & KADM5_MAX_LIFE)
krb5_store_int32(sp, princ->max_life);
if (mask & KADM5_MOD_NAME) {
krb5_store_int32(sp, princ->mod_name != NULL);
if(princ->mod_name)
krb5_store_principal(sp, princ->mod_name);
}
if (mask & KADM5_MOD_TIME)
krb5_store_int32(sp, princ->mod_date);
if (mask & KADM5_ATTRIBUTES)
krb5_store_int32(sp, princ->attributes);
if (mask & KADM5_KVNO)
krb5_store_int32(sp, princ->kvno);
if (mask & KADM5_MKVNO)
krb5_store_int32(sp, princ->mkvno);
if (mask & KADM5_POLICY) {
krb5_store_int32(sp, princ->policy != NULL);
if(princ->policy)
krb5_store_string(sp, princ->policy);
}
if (mask & KADM5_AUX_ATTRIBUTES)
krb5_store_int32(sp, princ->aux_attributes);
if (mask & KADM5_MAX_RLIFE)
krb5_store_int32(sp, princ->max_renewable_life);
if (mask & KADM5_LAST_SUCCESS)
krb5_store_int32(sp, princ->last_success);
if (mask & KADM5_LAST_FAILED)
krb5_store_int32(sp, princ->last_failed);
if (mask & KADM5_FAIL_AUTH_COUNT)
krb5_store_int32(sp, princ->fail_auth_count);
if (mask & KADM5_KEY_DATA) {
krb5_store_int32(sp, princ->n_key_data);
for(i = 0; i < princ->n_key_data; i++) {
if (wkeys)
kadm5_store_key_data(sp, &princ->key_data[i]);
else
kadm5_store_fake_key_data(sp, &princ->key_data[i]);
}
}
if (mask & KADM5_TL_DATA) {
krb5_tl_data *tp;
krb5_store_int32(sp, princ->n_tl_data);
for(tp = princ->tl_data; tp; tp = tp->tl_data_next)
kadm5_store_tl_data(sp, tp);
}
return 0;
}
kadm5_ret_t
kadm5_store_principal_ent(krb5_storage *sp,
kadm5_principal_ent_t princ)
{
return store_principal_ent (sp, princ, ~0, 1);
}
kadm5_ret_t
kadm5_store_principal_ent_nokeys(krb5_storage *sp,
kadm5_principal_ent_t princ)
{
return store_principal_ent (sp, princ, ~0, 0);
}
kadm5_ret_t
kadm5_store_principal_ent_mask(krb5_storage *sp,
kadm5_principal_ent_t princ,
uint32_t mask)
{
krb5_store_int32(sp, mask);
return store_principal_ent (sp, princ, mask, 1);
}
static kadm5_ret_t
ret_principal_ent(krb5_storage *sp,
kadm5_principal_ent_t princ,
uint32_t mask)
{
int i;
int32_t tmp;
if (mask & KADM5_PRINCIPAL)
krb5_ret_principal(sp, &princ->principal);
if (mask & KADM5_PRINC_EXPIRE_TIME) {
krb5_ret_int32(sp, &tmp);
princ->princ_expire_time = tmp;
}
if (mask & KADM5_PW_EXPIRATION) {
krb5_ret_int32(sp, &tmp);
princ->pw_expiration = tmp;
}
if (mask & KADM5_LAST_PWD_CHANGE) {
krb5_ret_int32(sp, &tmp);
princ->last_pwd_change = tmp;
}
if (mask & KADM5_MAX_LIFE) {
krb5_ret_int32(sp, &tmp);
princ->max_life = tmp;
}
if (mask & KADM5_MOD_NAME) {
krb5_ret_int32(sp, &tmp);
if(tmp)
krb5_ret_principal(sp, &princ->mod_name);
else
princ->mod_name = NULL;
}
if (mask & KADM5_MOD_TIME) {
krb5_ret_int32(sp, &tmp);
princ->mod_date = tmp;
}
if (mask & KADM5_ATTRIBUTES) {
krb5_ret_int32(sp, &tmp);
princ->attributes = tmp;
}
if (mask & KADM5_KVNO) {
krb5_ret_int32(sp, &tmp);
princ->kvno = tmp;
}
if (mask & KADM5_MKVNO) {
krb5_ret_int32(sp, &tmp);
princ->mkvno = tmp;
}
if (mask & KADM5_POLICY) {
krb5_ret_int32(sp, &tmp);
if(tmp)
krb5_ret_string(sp, &princ->policy);
else
princ->policy = NULL;
}
if (mask & KADM5_AUX_ATTRIBUTES) {
krb5_ret_int32(sp, &tmp);
princ->aux_attributes = tmp;
}
if (mask & KADM5_MAX_RLIFE) {
krb5_ret_int32(sp, &tmp);
princ->max_renewable_life = tmp;
}
if (mask & KADM5_LAST_SUCCESS) {
krb5_ret_int32(sp, &tmp);
princ->last_success = tmp;
}
if (mask & KADM5_LAST_FAILED) {
krb5_ret_int32(sp, &tmp);
princ->last_failed = tmp;
}
if (mask & KADM5_FAIL_AUTH_COUNT) {
krb5_ret_int32(sp, &tmp);
princ->fail_auth_count = tmp;
}
if (mask & KADM5_KEY_DATA) {
krb5_ret_int32(sp, &tmp);
princ->n_key_data = tmp;
princ->key_data = malloc(princ->n_key_data * sizeof(*princ->key_data));
if (princ->key_data == NULL && princ->n_key_data != 0)
return ENOMEM;
for(i = 0; i < princ->n_key_data; i++)
kadm5_ret_key_data(sp, &princ->key_data[i]);
}
if (mask & KADM5_TL_DATA) {
krb5_ret_int32(sp, &tmp);
princ->n_tl_data = tmp;
princ->tl_data = NULL;
for(i = 0; i < princ->n_tl_data; i++){
krb5_tl_data *tp = malloc(sizeof(*tp));
if (tp == NULL)
return ENOMEM;
kadm5_ret_tl_data(sp, tp);
tp->tl_data_next = princ->tl_data;
princ->tl_data = tp;
}
}
return 0;
}
kadm5_ret_t
kadm5_ret_principal_ent(krb5_storage *sp,
kadm5_principal_ent_t princ)
{
return ret_principal_ent (sp, princ, ~0);
}
kadm5_ret_t
kadm5_ret_principal_ent_mask(krb5_storage *sp,
kadm5_principal_ent_t princ,
uint32_t *mask)
{
int32_t tmp;
krb5_ret_int32 (sp, &tmp);
*mask = tmp;
return ret_principal_ent (sp, princ, *mask);
}
kadm5_ret_t
_kadm5_marshal_params(krb5_context context,
kadm5_config_params *params,
krb5_data *out)
{
krb5_storage *sp = krb5_storage_emem();
krb5_store_int32(sp, params->mask & (KADM5_CONFIG_REALM));
if(params->mask & KADM5_CONFIG_REALM)
krb5_store_string(sp, params->realm);
krb5_storage_to_data(sp, out);
krb5_storage_free(sp);
return 0;
}
kadm5_ret_t
_kadm5_unmarshal_params(krb5_context context,
krb5_data *in,
kadm5_config_params *params)
{
krb5_error_code ret;
krb5_storage *sp;
int32_t mask;
sp = krb5_storage_from_data(in);
if (sp == NULL)
return ENOMEM;
ret = krb5_ret_int32(sp, &mask);
if (ret)
goto out;
params->mask = mask;
if(params->mask & KADM5_CONFIG_REALM)
ret = krb5_ret_string(sp, &params->realm);
out:
krb5_storage_free(sp);
return ret;
}
Reference in New Issue View Git Blame Copy Permalink