1318 lines
26 KiB
C
1318 lines
26 KiB
C
/*
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* Copyright (c) 2005, PADL Software Pty Ltd.
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* All rights reserved.
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*
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* Portions Copyright (c) 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of PADL Software nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "krb5_locl.h"
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#ifdef HAVE_KCM
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/*
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* Client library for Kerberos Credentials Manager (KCM) daemon
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*/
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#include "kcm.h"
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#include <heim-ipc.h>
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static krb5_error_code
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kcm_set_kdc_offset(krb5_context, krb5_ccache, krb5_deltat);
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static const char *kcm_ipc_name = "ANY:org.h5l.kcm";
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typedef struct krb5_kcmcache {
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char *name;
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} krb5_kcmcache;
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typedef struct krb5_kcm_cursor {
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unsigned long offset;
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unsigned long length;
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kcmuuid_t *uuids;
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} *krb5_kcm_cursor;
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#define KCMCACHE(X) ((krb5_kcmcache *)(X)->data.data)
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#define CACHENAME(X) (KCMCACHE(X)->name)
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#define KCMCURSOR(C) ((krb5_kcm_cursor)(C))
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static HEIMDAL_MUTEX kcm_mutex = HEIMDAL_MUTEX_INITIALIZER;
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static heim_ipc kcm_ipc = NULL;
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static krb5_error_code
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kcm_send_request(krb5_context context,
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krb5_storage *request,
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krb5_data *response_data)
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{
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krb5_error_code ret = 0;
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krb5_data request_data;
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HEIMDAL_MUTEX_lock(&kcm_mutex);
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if (kcm_ipc == NULL)
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ret = heim_ipc_init_context(kcm_ipc_name, &kcm_ipc);
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HEIMDAL_MUTEX_unlock(&kcm_mutex);
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if (ret)
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return KRB5_CC_NOSUPP;
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ret = krb5_storage_to_data(request, &request_data);
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if (ret) {
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krb5_clear_error_message(context);
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return KRB5_CC_NOMEM;
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}
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ret = heim_ipc_call(kcm_ipc, &request_data, response_data, NULL);
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krb5_data_free(&request_data);
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if (ret) {
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krb5_clear_error_message(context);
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ret = KRB5_CC_NOSUPP;
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}
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return ret;
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}
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KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
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krb5_kcm_storage_request(krb5_context context,
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uint16_t opcode,
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krb5_storage **storage_p)
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{
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krb5_storage *sp;
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krb5_error_code ret;
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*storage_p = NULL;
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sp = krb5_storage_emem();
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if (sp == NULL) {
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krb5_set_error_message(context, KRB5_CC_NOMEM, N_("malloc: out of memory", ""));
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return KRB5_CC_NOMEM;
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}
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/* Send MAJOR | VERSION | OPCODE */
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ret = krb5_store_int8(sp, KCM_PROTOCOL_VERSION_MAJOR);
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if (ret)
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goto fail;
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ret = krb5_store_int8(sp, KCM_PROTOCOL_VERSION_MINOR);
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if (ret)
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goto fail;
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ret = krb5_store_int16(sp, opcode);
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if (ret)
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goto fail;
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*storage_p = sp;
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fail:
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if (ret) {
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krb5_set_error_message(context, ret,
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N_("Failed to encode KCM request", ""));
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krb5_storage_free(sp);
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}
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return ret;
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}
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static krb5_error_code
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kcm_alloc(krb5_context context, const char *name, krb5_ccache *id)
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{
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krb5_kcmcache *k;
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k = malloc(sizeof(*k));
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if (k == NULL) {
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krb5_set_error_message(context, KRB5_CC_NOMEM,
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N_("malloc: out of memory", ""));
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return KRB5_CC_NOMEM;
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}
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if (name != NULL) {
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k->name = strdup(name);
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if (k->name == NULL) {
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free(k);
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krb5_set_error_message(context, KRB5_CC_NOMEM,
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N_("malloc: out of memory", ""));
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return KRB5_CC_NOMEM;
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}
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} else
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k->name = NULL;
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(*id)->data.data = k;
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(*id)->data.length = sizeof(*k);
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return 0;
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}
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KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
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krb5_kcm_call(krb5_context context,
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krb5_storage *request,
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krb5_storage **response_p,
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krb5_data *response_data_p)
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{
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krb5_data response_data;
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krb5_error_code ret;
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int32_t status;
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krb5_storage *response;
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if (response_p != NULL)
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*response_p = NULL;
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krb5_data_zero(&response_data);
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ret = kcm_send_request(context, request, &response_data);
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if (ret)
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return ret;
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response = krb5_storage_from_data(&response_data);
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if (response == NULL) {
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krb5_data_free(&response_data);
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return KRB5_CC_IO;
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}
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ret = krb5_ret_int32(response, &status);
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if (ret) {
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krb5_storage_free(response);
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krb5_data_free(&response_data);
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return KRB5_CC_FORMAT;
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}
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if (status) {
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krb5_storage_free(response);
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krb5_data_free(&response_data);
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return status;
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}
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if (response_p != NULL) {
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*response_data_p = response_data;
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*response_p = response;
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return 0;
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}
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krb5_storage_free(response);
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krb5_data_free(&response_data);
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return 0;
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}
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static void
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kcm_free(krb5_context context, krb5_ccache *id)
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{
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krb5_kcmcache *k = KCMCACHE(*id);
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if (k != NULL) {
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if (k->name != NULL)
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free(k->name);
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memset(k, 0, sizeof(*k));
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krb5_data_free(&(*id)->data);
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}
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}
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static const char *
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kcm_get_name(krb5_context context,
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krb5_ccache id)
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{
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return CACHENAME(id);
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}
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static krb5_error_code
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kcm_resolve(krb5_context context, krb5_ccache *id, const char *res)
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{
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return kcm_alloc(context, res, id);
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}
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/*
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* Request:
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*
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* Response:
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* NameZ
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*/
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static krb5_error_code
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kcm_gen_new(krb5_context context, krb5_ccache *id)
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{
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krb5_kcmcache *k;
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krb5_error_code ret;
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krb5_storage *request, *response;
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krb5_data response_data;
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ret = kcm_alloc(context, NULL, id);
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if (ret)
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return ret;
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k = KCMCACHE(*id);
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ret = krb5_kcm_storage_request(context, KCM_OP_GEN_NEW, &request);
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if (ret) {
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kcm_free(context, id);
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return ret;
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}
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ret = krb5_kcm_call(context, request, &response, &response_data);
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if (ret) {
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krb5_storage_free(request);
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kcm_free(context, id);
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return ret;
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}
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ret = krb5_ret_stringz(response, &k->name);
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if (ret)
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ret = KRB5_CC_IO;
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krb5_storage_free(request);
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krb5_storage_free(response);
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krb5_data_free(&response_data);
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if (ret)
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kcm_free(context, id);
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return ret;
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}
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/*
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* Request:
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* NameZ
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* Principal
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*
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* Response:
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*
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*/
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static krb5_error_code
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kcm_initialize(krb5_context context,
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krb5_ccache id,
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krb5_principal primary_principal)
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{
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krb5_error_code ret;
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krb5_kcmcache *k = KCMCACHE(id);
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krb5_storage *request;
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ret = krb5_kcm_storage_request(context, KCM_OP_INITIALIZE, &request);
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if (ret)
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return ret;
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ret = krb5_store_stringz(request, k->name);
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if (ret) {
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krb5_storage_free(request);
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return ret;
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}
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ret = krb5_store_principal(request, primary_principal);
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if (ret) {
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krb5_storage_free(request);
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return ret;
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}
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ret = krb5_kcm_call(context, request, NULL, NULL);
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krb5_storage_free(request);
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if (context->kdc_sec_offset)
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kcm_set_kdc_offset(context, id, context->kdc_sec_offset);
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return ret;
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}
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static krb5_error_code
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kcm_close(krb5_context context,
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krb5_ccache id)
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{
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kcm_free(context, &id);
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return 0;
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}
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|
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/*
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* Request:
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* NameZ
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*
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* Response:
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*
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*/
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static krb5_error_code
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kcm_destroy(krb5_context context,
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krb5_ccache id)
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{
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krb5_error_code ret;
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krb5_kcmcache *k = KCMCACHE(id);
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krb5_storage *request;
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ret = krb5_kcm_storage_request(context, KCM_OP_DESTROY, &request);
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if (ret)
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return ret;
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ret = krb5_store_stringz(request, k->name);
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if (ret) {
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krb5_storage_free(request);
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return ret;
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}
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ret = krb5_kcm_call(context, request, NULL, NULL);
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krb5_storage_free(request);
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return ret;
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}
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/*
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* Request:
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* NameZ
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* Creds
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*
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* Response:
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*
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*/
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static krb5_error_code
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kcm_store_cred(krb5_context context,
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krb5_ccache id,
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krb5_creds *creds)
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{
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krb5_error_code ret;
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krb5_kcmcache *k = KCMCACHE(id);
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krb5_storage *request;
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ret = krb5_kcm_storage_request(context, KCM_OP_STORE, &request);
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if (ret)
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return ret;
|
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ret = krb5_store_stringz(request, k->name);
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if (ret) {
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krb5_storage_free(request);
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return ret;
|
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}
|
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|
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ret = krb5_store_creds(request, creds);
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if (ret) {
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krb5_storage_free(request);
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return ret;
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}
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ret = krb5_kcm_call(context, request, NULL, NULL);
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krb5_storage_free(request);
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return ret;
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}
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|
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#if 0
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/*
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* Request:
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* NameZ
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* WhichFields
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* MatchCreds
|
|
*
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* Response:
|
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* Creds
|
|
*
|
|
*/
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static krb5_error_code
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kcm_retrieve(krb5_context context,
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krb5_ccache id,
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krb5_flags which,
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const krb5_creds *mcred,
|
|
krb5_creds *creds)
|
|
{
|
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krb5_error_code ret;
|
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krb5_kcmcache *k = KCMCACHE(id);
|
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krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
|
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ret = krb5_kcm_storage_request(context, KCM_OP_RETRIEVE, &request);
|
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if (ret)
|
|
return ret;
|
|
|
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ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int32(request, which);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_creds_tag(request, rk_UNCONST(mcred));
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_ret_creds(response, creds);
|
|
if (ret)
|
|
ret = KRB5_CC_IO;
|
|
|
|
krb5_storage_free(request);
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
*
|
|
* Response:
|
|
* Principal
|
|
*/
|
|
static krb5_error_code
|
|
kcm_get_principal(krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_principal *principal)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_PRINCIPAL, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_ret_principal(response, principal);
|
|
if (ret)
|
|
ret = KRB5_CC_IO;
|
|
|
|
krb5_storage_free(request);
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
*
|
|
* Response:
|
|
* Cursor
|
|
*
|
|
*/
|
|
static krb5_error_code
|
|
kcm_get_first (krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_cc_cursor *cursor)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcm_cursor c;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_CRED_UUID_LIST, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
c = calloc(1, sizeof(*c));
|
|
if (c == NULL) {
|
|
ret = ENOMEM;
|
|
krb5_set_error_message(context, ret,
|
|
N_("malloc: out of memory", ""));
|
|
return ret;
|
|
}
|
|
|
|
while (1) {
|
|
ssize_t sret;
|
|
kcmuuid_t uuid;
|
|
void *ptr;
|
|
|
|
sret = krb5_storage_read(response, &uuid, sizeof(uuid));
|
|
if (sret == 0) {
|
|
ret = 0;
|
|
break;
|
|
} else if (sret != sizeof(uuid)) {
|
|
ret = EINVAL;
|
|
break;
|
|
}
|
|
|
|
ptr = realloc(c->uuids, sizeof(c->uuids[0]) * (c->length + 1));
|
|
if (ptr == NULL) {
|
|
free(c->uuids);
|
|
free(c);
|
|
krb5_set_error_message(context, ENOMEM,
|
|
N_("malloc: out of memory", ""));
|
|
return ENOMEM;
|
|
}
|
|
c->uuids = ptr;
|
|
|
|
memcpy(&c->uuids[c->length], &uuid, sizeof(uuid));
|
|
c->length += 1;
|
|
}
|
|
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
if (ret) {
|
|
free(c->uuids);
|
|
free(c);
|
|
return ret;
|
|
}
|
|
|
|
*cursor = c;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
* Cursor
|
|
*
|
|
* Response:
|
|
* Creds
|
|
*/
|
|
static krb5_error_code
|
|
kcm_get_next (krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_cc_cursor *cursor,
|
|
krb5_creds *creds)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_kcm_cursor c = KCMCURSOR(*cursor);
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
ssize_t sret;
|
|
|
|
again:
|
|
|
|
if (c->offset >= c->length)
|
|
return KRB5_CC_END;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_CRED_BY_UUID, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
sret = krb5_storage_write(request,
|
|
&c->uuids[c->offset],
|
|
sizeof(c->uuids[c->offset]));
|
|
c->offset++;
|
|
if (sret != sizeof(c->uuids[c->offset])) {
|
|
krb5_storage_free(request);
|
|
krb5_clear_error_message(context);
|
|
return ENOMEM;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret == KRB5_CC_END) {
|
|
goto again;
|
|
}
|
|
|
|
ret = krb5_ret_creds(response, creds);
|
|
if (ret)
|
|
ret = KRB5_CC_IO;
|
|
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
* Cursor
|
|
*
|
|
* Response:
|
|
*
|
|
*/
|
|
static krb5_error_code
|
|
kcm_end_get (krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_cc_cursor *cursor)
|
|
{
|
|
krb5_kcm_cursor c = KCMCURSOR(*cursor);
|
|
|
|
free(c->uuids);
|
|
free(c);
|
|
|
|
*cursor = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
* WhichFields
|
|
* MatchCreds
|
|
*
|
|
* Response:
|
|
*
|
|
*/
|
|
static krb5_error_code
|
|
kcm_remove_cred(krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_flags which,
|
|
krb5_creds *cred)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_REMOVE_CRED, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int32(request, which);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_creds_tag(request, cred);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_set_flags(krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_flags flags)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_SET_FLAGS, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int32(request, flags);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
kcm_get_version(krb5_context context,
|
|
krb5_ccache id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Send nothing
|
|
* get back list of uuids
|
|
*/
|
|
|
|
static krb5_error_code
|
|
kcm_get_cache_first(krb5_context context, krb5_cc_cursor *cursor)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcm_cursor c;
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
|
|
*cursor = NULL;
|
|
|
|
c = calloc(1, sizeof(*c));
|
|
if (c == NULL) {
|
|
ret = ENOMEM;
|
|
krb5_set_error_message(context, ret,
|
|
N_("malloc: out of memory", ""));
|
|
goto out;
|
|
}
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_CACHE_UUID_LIST, &request);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret)
|
|
goto out;
|
|
|
|
while (1) {
|
|
ssize_t sret;
|
|
kcmuuid_t uuid;
|
|
void *ptr;
|
|
|
|
sret = krb5_storage_read(response, &uuid, sizeof(uuid));
|
|
if (sret == 0) {
|
|
ret = 0;
|
|
break;
|
|
} else if (sret != sizeof(uuid)) {
|
|
ret = EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
ptr = realloc(c->uuids, sizeof(c->uuids[0]) * (c->length + 1));
|
|
if (ptr == NULL) {
|
|
ret = ENOMEM;
|
|
krb5_set_error_message(context, ret,
|
|
N_("malloc: out of memory", ""));
|
|
goto out;
|
|
}
|
|
c->uuids = ptr;
|
|
|
|
memcpy(&c->uuids[c->length], &uuid, sizeof(uuid));
|
|
c->length += 1;
|
|
}
|
|
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
out:
|
|
if (ret && c) {
|
|
free(c->uuids);
|
|
free(c);
|
|
} else
|
|
*cursor = c;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Send uuid
|
|
* Recv cache name
|
|
*/
|
|
|
|
static krb5_error_code
|
|
kcm_get_cache_next(krb5_context context, krb5_cc_cursor cursor, const krb5_cc_ops *ops, krb5_ccache *id)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcm_cursor c = KCMCURSOR(cursor);
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
ssize_t sret;
|
|
char *name;
|
|
|
|
*id = NULL;
|
|
|
|
again:
|
|
|
|
if (c->offset >= c->length)
|
|
return KRB5_CC_END;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_CACHE_BY_UUID, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
sret = krb5_storage_write(request,
|
|
&c->uuids[c->offset],
|
|
sizeof(c->uuids[c->offset]));
|
|
c->offset++;
|
|
if (sret != sizeof(c->uuids[c->offset])) {
|
|
krb5_storage_free(request);
|
|
krb5_clear_error_message(context);
|
|
return ENOMEM;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret == KRB5_CC_END)
|
|
goto again;
|
|
|
|
ret = krb5_ret_stringz(response, &name);
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
|
|
if (ret == 0) {
|
|
ret = _krb5_cc_allocate(context, ops, id);
|
|
if (ret == 0)
|
|
ret = kcm_alloc(context, name, id);
|
|
krb5_xfree(name);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_cache_next_kcm(krb5_context context, krb5_cc_cursor cursor, krb5_ccache *id)
|
|
{
|
|
#ifndef KCM_IS_API_CACHE
|
|
return kcm_get_cache_next(context, cursor, &krb5_kcm_ops, id);
|
|
#else
|
|
return KRB5_CC_END;
|
|
#endif
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_cache_next_api(krb5_context context, krb5_cc_cursor cursor, krb5_ccache *id)
|
|
{
|
|
return kcm_get_cache_next(context, cursor, &krb5_akcm_ops, id);
|
|
}
|
|
|
|
|
|
static krb5_error_code
|
|
kcm_end_cache_get(krb5_context context, krb5_cc_cursor cursor)
|
|
{
|
|
krb5_kcm_cursor c = KCMCURSOR(cursor);
|
|
|
|
free(c->uuids);
|
|
free(c);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static krb5_error_code
|
|
kcm_move(krb5_context context, krb5_ccache from, krb5_ccache to)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *oldk = KCMCACHE(from);
|
|
krb5_kcmcache *newk = KCMCACHE(to);
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_MOVE_CACHE, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, oldk->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_stringz(request, newk->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_default_name(krb5_context context, const krb5_cc_ops *ops,
|
|
const char *defstr, char **str)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
char *name;
|
|
|
|
*str = NULL;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_DEFAULT_CACHE, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret)
|
|
return _krb5_expand_default_cc_name(context, defstr, str);
|
|
|
|
ret = krb5_ret_stringz(response, &name);
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
asprintf(str, "%s:%s", ops->prefix, name);
|
|
free(name);
|
|
if (str == NULL)
|
|
return ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_default_name_api(krb5_context context, char **str)
|
|
{
|
|
return kcm_get_default_name(context, &krb5_akcm_ops,
|
|
KRB5_DEFAULT_CCNAME_KCM_API, str);
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_default_name_kcm(krb5_context context, char **str)
|
|
{
|
|
return kcm_get_default_name(context, &krb5_kcm_ops,
|
|
KRB5_DEFAULT_CCNAME_KCM_KCM, str);
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_set_default(krb5_context context, krb5_ccache id)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_storage *request;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_SET_DEFAULT_CACHE, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
krb5_storage_free(request);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_lastchange(krb5_context context, krb5_ccache id, krb5_timestamp *mtime)
|
|
{
|
|
*mtime = time(NULL);
|
|
return 0;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_set_kdc_offset(krb5_context context, krb5_ccache id, krb5_deltat kdc_offset)
|
|
{
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_error_code ret;
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_SET_KDC_OFFSET, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
ret = krb5_store_int32(request, kdc_offset);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
krb5_storage_free(request);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static krb5_error_code
|
|
kcm_get_kdc_offset(krb5_context context, krb5_ccache id, krb5_deltat *kdc_offset)
|
|
{
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_error_code ret;
|
|
krb5_storage *request, *response;
|
|
krb5_data response_data;
|
|
int32_t offset;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_KDC_OFFSET, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, &response, &response_data);
|
|
krb5_storage_free(request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_ret_int32(response, &offset);
|
|
krb5_storage_free(response);
|
|
krb5_data_free(&response_data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
*kdc_offset = offset;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Variable containing the KCM based credential cache implemention.
|
|
*
|
|
* @ingroup krb5_ccache
|
|
*/
|
|
|
|
KRB5_LIB_VARIABLE const krb5_cc_ops krb5_kcm_ops = {
|
|
KRB5_CC_OPS_VERSION,
|
|
"KCM",
|
|
kcm_get_name,
|
|
kcm_resolve,
|
|
kcm_gen_new,
|
|
kcm_initialize,
|
|
kcm_destroy,
|
|
kcm_close,
|
|
kcm_store_cred,
|
|
NULL /* kcm_retrieve */,
|
|
kcm_get_principal,
|
|
kcm_get_first,
|
|
kcm_get_next,
|
|
kcm_end_get,
|
|
kcm_remove_cred,
|
|
kcm_set_flags,
|
|
kcm_get_version,
|
|
kcm_get_cache_first,
|
|
kcm_get_cache_next_kcm,
|
|
kcm_end_cache_get,
|
|
kcm_move,
|
|
kcm_get_default_name_kcm,
|
|
kcm_set_default,
|
|
kcm_lastchange,
|
|
kcm_set_kdc_offset,
|
|
kcm_get_kdc_offset
|
|
};
|
|
|
|
KRB5_LIB_VARIABLE const krb5_cc_ops krb5_akcm_ops = {
|
|
KRB5_CC_OPS_VERSION,
|
|
"API",
|
|
kcm_get_name,
|
|
kcm_resolve,
|
|
kcm_gen_new,
|
|
kcm_initialize,
|
|
kcm_destroy,
|
|
kcm_close,
|
|
kcm_store_cred,
|
|
NULL /* kcm_retrieve */,
|
|
kcm_get_principal,
|
|
kcm_get_first,
|
|
kcm_get_next,
|
|
kcm_end_get,
|
|
kcm_remove_cred,
|
|
kcm_set_flags,
|
|
kcm_get_version,
|
|
kcm_get_cache_first,
|
|
kcm_get_cache_next_api,
|
|
kcm_end_cache_get,
|
|
kcm_move,
|
|
kcm_get_default_name_api,
|
|
kcm_set_default,
|
|
kcm_lastchange
|
|
};
|
|
|
|
|
|
krb5_boolean
|
|
_krb5_kcm_is_running(krb5_context context)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_ccache_data ccdata;
|
|
krb5_ccache id = &ccdata;
|
|
krb5_boolean running;
|
|
|
|
ret = kcm_alloc(context, NULL, &id);
|
|
if (ret)
|
|
return 0;
|
|
|
|
running = (_krb5_kcm_noop(context, id) == 0);
|
|
|
|
kcm_free(context, &id);
|
|
|
|
return running;
|
|
}
|
|
|
|
/*
|
|
* Request:
|
|
*
|
|
* Response:
|
|
*
|
|
*/
|
|
krb5_error_code
|
|
_krb5_kcm_noop(krb5_context context,
|
|
krb5_ccache id)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_NOOP, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
* ServerPrincipalPresent
|
|
* ServerPrincipal OPTIONAL
|
|
* Key
|
|
*
|
|
* Repsonse:
|
|
*
|
|
*/
|
|
krb5_error_code
|
|
_krb5_kcm_get_initial_ticket(krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_principal server,
|
|
krb5_keyblock *key)
|
|
{
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_error_code ret;
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_INITIAL_TICKET, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int8(request, (server == NULL) ? 0 : 1);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
if (server != NULL) {
|
|
ret = krb5_store_principal(request, server);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = krb5_store_keyblock(request, *key);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* Request:
|
|
* NameZ
|
|
* KDCFlags
|
|
* EncryptionType
|
|
* ServerPrincipal
|
|
*
|
|
* Repsonse:
|
|
*
|
|
*/
|
|
krb5_error_code
|
|
_krb5_kcm_get_ticket(krb5_context context,
|
|
krb5_ccache id,
|
|
krb5_kdc_flags flags,
|
|
krb5_enctype enctype,
|
|
krb5_principal server)
|
|
{
|
|
krb5_error_code ret;
|
|
krb5_kcmcache *k = KCMCACHE(id);
|
|
krb5_storage *request;
|
|
|
|
ret = krb5_kcm_storage_request(context, KCM_OP_GET_TICKET, &request);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = krb5_store_stringz(request, k->name);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int32(request, flags.i);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_int32(request, enctype);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_store_principal(request, server);
|
|
if (ret) {
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
ret = krb5_kcm_call(context, request, NULL, NULL);
|
|
|
|
krb5_storage_free(request);
|
|
return ret;
|
|
}
|
|
|
|
#endif /* HAVE_KCM */
|