wmi-1.3.16 from opsview.com
This commit is contained in:
Are Casilla
@@ -0,0 +1,789 @@
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/*
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* Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* 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 the Institute 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 THE INSTITUTE 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 THE INSTITUTE 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/gsskrb5_locl.h"
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RCSID("$Id: init_sec_context.c,v 1.73 2006/11/07 17:40:01 lha Exp $");
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/*
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* copy the addresses from `input_chan_bindings' (if any) to
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* the auth context `ac'
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*/
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static OM_uint32
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set_addresses (krb5_auth_context ac,
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const gss_channel_bindings_t input_chan_bindings)
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{
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/* Port numbers are expected to be in application_data.value,
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* initator's port first */
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krb5_address initiator_addr, acceptor_addr;
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krb5_error_code kret;
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if (input_chan_bindings == GSS_C_NO_CHANNEL_BINDINGS
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|| input_chan_bindings->application_data.length !=
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2 * sizeof(ac->local_port))
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return 0;
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memset(&initiator_addr, 0, sizeof(initiator_addr));
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memset(&acceptor_addr, 0, sizeof(acceptor_addr));
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ac->local_port =
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*(int16_t *) input_chan_bindings->application_data.value;
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ac->remote_port =
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*((int16_t *) input_chan_bindings->application_data.value + 1);
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kret = _gsskrb5i_address_to_krb5addr(input_chan_bindings->acceptor_addrtype,
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&input_chan_bindings->acceptor_address,
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ac->remote_port,
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&acceptor_addr);
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if (kret)
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return kret;
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kret = _gsskrb5i_address_to_krb5addr(input_chan_bindings->initiator_addrtype,
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&input_chan_bindings->initiator_address,
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ac->local_port,
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&initiator_addr);
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if (kret) {
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krb5_free_address (_gsskrb5_context, &acceptor_addr);
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return kret;
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}
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kret = krb5_auth_con_setaddrs(_gsskrb5_context,
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ac,
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&initiator_addr, /* local address */
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&acceptor_addr); /* remote address */
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krb5_free_address (_gsskrb5_context, &initiator_addr);
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krb5_free_address (_gsskrb5_context, &acceptor_addr);
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#if 0
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free(input_chan_bindings->application_data.value);
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input_chan_bindings->application_data.value = NULL;
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input_chan_bindings->application_data.length = 0;
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#endif
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return kret;
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}
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OM_uint32
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_gsskrb5_create_ctx(
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OM_uint32 * minor_status,
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gss_ctx_id_t * context_handle,
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const gss_channel_bindings_t input_chan_bindings,
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enum gss_ctx_id_t_state state)
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{
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krb5_error_code kret;
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gsskrb5_ctx ctx;
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*context_handle = NULL;
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ctx = malloc(sizeof(*ctx));
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if (ctx == NULL) {
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*minor_status = ENOMEM;
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return GSS_S_FAILURE;
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}
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ctx->auth_context = NULL;
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ctx->source = NULL;
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ctx->target = NULL;
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ctx->state = state;
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ctx->flags = 0;
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ctx->more_flags = 0;
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ctx->service_keyblock = NULL;
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ctx->ticket = NULL;
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krb5_data_zero(&ctx->fwd_data);
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ctx->lifetime = GSS_C_INDEFINITE;
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ctx->order = NULL;
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HEIMDAL_MUTEX_init(&ctx->ctx_id_mutex);
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kret = krb5_auth_con_init (_gsskrb5_context, &ctx->auth_context);
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if (kret) {
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*minor_status = kret;
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_gsskrb5_set_error_string ();
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HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
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return GSS_S_FAILURE;
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}
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kret = set_addresses(ctx->auth_context, input_chan_bindings);
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if (kret) {
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*minor_status = kret;
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HEIMDAL_MUTEX_destroy(&ctx->ctx_id_mutex);
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krb5_auth_con_free(_gsskrb5_context, ctx->auth_context);
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return GSS_S_BAD_BINDINGS;
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}
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/*
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* We need a sequence number
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*/
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krb5_auth_con_addflags(_gsskrb5_context,
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ctx->auth_context,
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KRB5_AUTH_CONTEXT_DO_SEQUENCE |
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KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED,
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NULL);
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*context_handle = (gss_ctx_id_t)ctx;
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return GSS_S_COMPLETE;
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}
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static OM_uint32
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gsskrb5_get_creds(
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OM_uint32 * minor_status,
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krb5_ccache ccache,
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gsskrb5_ctx ctx,
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krb5_const_principal target_name,
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OM_uint32 time_req,
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OM_uint32 * time_rec,
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krb5_creds ** cred)
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{
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OM_uint32 ret;
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krb5_error_code kret;
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krb5_creds this_cred;
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OM_uint32 lifetime_rec;
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*cred = NULL;
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memset(&this_cred, 0, sizeof(this_cred));
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this_cred.client = ctx->source;
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this_cred.server = ctx->target;
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if (time_req && time_req != GSS_C_INDEFINITE) {
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krb5_timestamp ts;
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krb5_timeofday (_gsskrb5_context, &ts);
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this_cred.times.endtime = ts + time_req;
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} else {
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this_cred.times.endtime = 0;
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}
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this_cred.session.keytype = KEYTYPE_NULL;
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kret = krb5_get_credentials(_gsskrb5_context,
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0,
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ccache,
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&this_cred,
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cred);
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if (kret) {
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_gsskrb5_set_error_string ();
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*minor_status = kret;
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return GSS_S_FAILURE;
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}
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ctx->lifetime = (*cred)->times.endtime;
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ret = _gsskrb5_lifetime_left(minor_status, ctx->lifetime, &lifetime_rec);
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if (ret) return ret;
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if (lifetime_rec == 0) {
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*minor_status = 0;
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return GSS_S_CONTEXT_EXPIRED;
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}
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if (time_rec) *time_rec = lifetime_rec;
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return GSS_S_COMPLETE;
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}
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static OM_uint32
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gsskrb5_initiator_ready(
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OM_uint32 * minor_status,
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gsskrb5_ctx ctx)
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{
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OM_uint32 ret;
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int32_t seq_number;
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int is_cfx = 0;
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OM_uint32 flags = ctx->flags;
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krb5_auth_getremoteseqnumber (_gsskrb5_context,
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ctx->auth_context,
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&seq_number);
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_gsskrb5i_is_cfx(ctx, &is_cfx);
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ret = _gssapi_msg_order_create(minor_status,
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&ctx->order,
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_gssapi_msg_order_f(flags),
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seq_number, 0, is_cfx);
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if (ret) return ret;
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ctx->state = INITIATOR_READY;
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ctx->more_flags |= OPEN;
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return GSS_S_COMPLETE;
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}
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/*
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* handle delegated creds in init-sec-context
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*/
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static void
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do_delegation (krb5_auth_context ac,
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krb5_ccache ccache,
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krb5_creds *cred,
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krb5_const_principal name,
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krb5_data *fwd_data,
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uint32_t *flags)
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{
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krb5_creds creds;
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KDCOptions fwd_flags;
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krb5_error_code kret;
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memset (&creds, 0, sizeof(creds));
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krb5_data_zero (fwd_data);
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kret = krb5_cc_get_principal(_gsskrb5_context, ccache, &creds.client);
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if (kret)
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goto out;
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kret = krb5_build_principal(_gsskrb5_context,
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&creds.server,
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strlen(creds.client->realm),
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creds.client->realm,
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KRB5_TGS_NAME,
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creds.client->realm,
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NULL);
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if (kret)
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goto out;
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creds.times.endtime = 0;
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memset(&fwd_flags, 0, sizeof(fwd_flags));
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fwd_flags.forwarded = 1;
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fwd_flags.forwardable = 1;
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if ( /*target_name->name.name_type != KRB5_NT_SRV_HST ||*/
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name->name.name_string.len < 2)
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goto out;
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kret = krb5_get_forwarded_creds(_gsskrb5_context,
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ac,
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ccache,
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KDCOptions2int(fwd_flags),
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||||
name->name.name_string.val[1],
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||||
&creds,
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||||
fwd_data);
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||||
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||||
out:
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||||
if (kret)
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||||
*flags &= ~GSS_C_DELEG_FLAG;
|
||||
else
|
||||
*flags |= GSS_C_DELEG_FLAG;
|
||||
|
||||
if (creds.client)
|
||||
krb5_free_principal(_gsskrb5_context, creds.client);
|
||||
if (creds.server)
|
||||
krb5_free_principal(_gsskrb5_context, creds.server);
|
||||
}
|
||||
|
||||
/*
|
||||
* first stage of init-sec-context
|
||||
*/
|
||||
|
||||
static OM_uint32
|
||||
init_auth
|
||||
(OM_uint32 * minor_status,
|
||||
gsskrb5_cred initiator_cred_handle,
|
||||
gsskrb5_ctx ctx,
|
||||
krb5_const_principal name,
|
||||
const gss_OID mech_type,
|
||||
OM_uint32 req_flags,
|
||||
OM_uint32 time_req,
|
||||
const gss_channel_bindings_t input_chan_bindings,
|
||||
const gss_buffer_t input_token,
|
||||
gss_OID * actual_mech_type,
|
||||
gss_buffer_t output_token,
|
||||
OM_uint32 * ret_flags,
|
||||
OM_uint32 * time_rec
|
||||
)
|
||||
{
|
||||
OM_uint32 ret = GSS_S_FAILURE;
|
||||
krb5_error_code kret;
|
||||
krb5_flags ap_options;
|
||||
krb5_creds *cred = NULL;
|
||||
krb5_data outbuf;
|
||||
krb5_ccache ccache = NULL;
|
||||
uint32_t flags;
|
||||
krb5_data authenticator;
|
||||
Checksum cksum;
|
||||
krb5_enctype enctype;
|
||||
krb5_data fwd_data;
|
||||
OM_uint32 lifetime_rec;
|
||||
|
||||
krb5_data_zero(&outbuf);
|
||||
krb5_data_zero(&fwd_data);
|
||||
|
||||
*minor_status = 0;
|
||||
|
||||
if (actual_mech_type)
|
||||
*actual_mech_type = GSS_KRB5_MECHANISM;
|
||||
|
||||
if (initiator_cred_handle == NULL) {
|
||||
kret = krb5_cc_default (_gsskrb5_context, &ccache);
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
} else
|
||||
ccache = initiator_cred_handle->ccache;
|
||||
|
||||
kret = krb5_cc_get_principal (_gsskrb5_context, ccache, &ctx->source);
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
kret = krb5_copy_principal (_gsskrb5_context, name, &ctx->target);
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
ret = _gss_DES3_get_mic_compat(minor_status, ctx);
|
||||
if (ret)
|
||||
goto failure;
|
||||
|
||||
|
||||
ret = gsskrb5_get_creds(minor_status,
|
||||
ccache,
|
||||
ctx,
|
||||
ctx->target,
|
||||
time_req,
|
||||
time_rec,
|
||||
&cred);
|
||||
if (ret)
|
||||
goto failure;
|
||||
|
||||
ctx->lifetime = cred->times.endtime;
|
||||
|
||||
ret = _gsskrb5_lifetime_left(minor_status,
|
||||
ctx->lifetime,
|
||||
&lifetime_rec);
|
||||
if (ret) {
|
||||
goto failure;
|
||||
}
|
||||
|
||||
if (lifetime_rec == 0) {
|
||||
*minor_status = 0;
|
||||
ret = GSS_S_CONTEXT_EXPIRED;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
krb5_auth_con_setkey(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
&cred->session);
|
||||
|
||||
kret = krb5_auth_con_generatelocalsubkey(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
&cred->session);
|
||||
if(kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
/*
|
||||
* If the credential doesn't have ok-as-delegate, check what local
|
||||
* policy say about ok-as-delegate, default is FALSE that makes
|
||||
* code ignore the KDC setting and follow what the application
|
||||
* requested. If its TRUE, strip of the GSS_C_DELEG_FLAG if the
|
||||
* KDC doesn't set ok-as-delegate.
|
||||
*/
|
||||
if (!cred->flags.b.ok_as_delegate) {
|
||||
krb5_boolean delegate;
|
||||
|
||||
krb5_appdefault_boolean(_gsskrb5_context,
|
||||
"gssapi", name->realm,
|
||||
"ok-as-delegate", FALSE, &delegate);
|
||||
if (delegate)
|
||||
req_flags &= ~GSS_C_DELEG_FLAG;
|
||||
}
|
||||
|
||||
flags = 0;
|
||||
ap_options = 0;
|
||||
if (req_flags & GSS_C_DELEG_FLAG)
|
||||
do_delegation (ctx->auth_context,
|
||||
ccache, cred, name, &fwd_data, &flags);
|
||||
|
||||
if (req_flags & GSS_C_MUTUAL_FLAG) {
|
||||
flags |= GSS_C_MUTUAL_FLAG;
|
||||
ap_options |= AP_OPTS_MUTUAL_REQUIRED;
|
||||
}
|
||||
|
||||
if (req_flags & GSS_C_REPLAY_FLAG)
|
||||
flags |= GSS_C_REPLAY_FLAG;
|
||||
if (req_flags & GSS_C_SEQUENCE_FLAG)
|
||||
flags |= GSS_C_SEQUENCE_FLAG;
|
||||
if (req_flags & GSS_C_ANON_FLAG)
|
||||
; /* XXX */
|
||||
if (req_flags & GSS_C_DCE_STYLE) {
|
||||
/* GSS_C_DCE_STYLE implies GSS_C_MUTUAL_FLAG */
|
||||
flags |= GSS_C_DCE_STYLE | GSS_C_MUTUAL_FLAG;
|
||||
ap_options |= AP_OPTS_MUTUAL_REQUIRED;
|
||||
}
|
||||
if (req_flags & GSS_C_IDENTIFY_FLAG)
|
||||
flags |= GSS_C_IDENTIFY_FLAG;
|
||||
if (req_flags & GSS_C_EXTENDED_ERROR_FLAG)
|
||||
flags |= GSS_C_EXTENDED_ERROR_FLAG;
|
||||
|
||||
flags |= GSS_C_CONF_FLAG;
|
||||
flags |= GSS_C_INTEG_FLAG;
|
||||
flags |= GSS_C_TRANS_FLAG;
|
||||
|
||||
if (ret_flags)
|
||||
*ret_flags = flags;
|
||||
ctx->flags = flags;
|
||||
ctx->more_flags |= LOCAL;
|
||||
|
||||
ret = _gsskrb5_create_8003_checksum (minor_status,
|
||||
input_chan_bindings,
|
||||
flags,
|
||||
&fwd_data,
|
||||
&cksum);
|
||||
krb5_data_free (&fwd_data);
|
||||
if (ret)
|
||||
goto failure;
|
||||
|
||||
enctype = ctx->auth_context->keyblock->keytype;
|
||||
|
||||
kret = krb5_build_authenticator (_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
enctype,
|
||||
cred,
|
||||
&cksum,
|
||||
NULL,
|
||||
&authenticator,
|
||||
KRB5_KU_AP_REQ_AUTH);
|
||||
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
kret = krb5_build_ap_req (_gsskrb5_context,
|
||||
enctype,
|
||||
cred,
|
||||
ap_options,
|
||||
authenticator,
|
||||
&outbuf);
|
||||
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
ret = GSS_S_FAILURE;
|
||||
goto failure;
|
||||
}
|
||||
|
||||
ret = _gsskrb5_encapsulate (minor_status, &outbuf, output_token,
|
||||
(u_char *)"\x01\x00", GSS_KRB5_MECHANISM);
|
||||
if (ret)
|
||||
goto failure;
|
||||
|
||||
krb5_data_free (&outbuf);
|
||||
krb5_free_creds(_gsskrb5_context, cred);
|
||||
free_Checksum(&cksum);
|
||||
if (initiator_cred_handle == NULL)
|
||||
krb5_cc_close(_gsskrb5_context, ccache);
|
||||
|
||||
if (flags & GSS_C_MUTUAL_FLAG) {
|
||||
ctx->state = INITIATOR_WAIT_FOR_MUTAL;
|
||||
return GSS_S_CONTINUE_NEEDED;
|
||||
}
|
||||
|
||||
return gsskrb5_initiator_ready(minor_status, ctx);
|
||||
failure:
|
||||
if(cred)
|
||||
krb5_free_creds(_gsskrb5_context, cred);
|
||||
if (ccache && initiator_cred_handle == NULL)
|
||||
krb5_cc_close(_gsskrb5_context, ccache);
|
||||
|
||||
return ret;
|
||||
|
||||
}
|
||||
|
||||
static OM_uint32
|
||||
repl_mutual
|
||||
(OM_uint32 * minor_status,
|
||||
gsskrb5_ctx ctx,
|
||||
const gss_OID mech_type,
|
||||
OM_uint32 req_flags,
|
||||
OM_uint32 time_req,
|
||||
const gss_channel_bindings_t input_chan_bindings,
|
||||
const gss_buffer_t input_token,
|
||||
gss_OID * actual_mech_type,
|
||||
gss_buffer_t output_token,
|
||||
OM_uint32 * ret_flags,
|
||||
OM_uint32 * time_rec
|
||||
)
|
||||
{
|
||||
OM_uint32 ret;
|
||||
krb5_error_code kret;
|
||||
krb5_data indata;
|
||||
krb5_ap_rep_enc_part *repl;
|
||||
int is_cfx = 0;
|
||||
|
||||
output_token->length = 0;
|
||||
output_token->value = NULL;
|
||||
|
||||
if (actual_mech_type)
|
||||
*actual_mech_type = GSS_KRB5_MECHANISM;
|
||||
|
||||
if (ctx->flags & GSS_C_DCE_STYLE) {
|
||||
/* There is no OID wrapping. */
|
||||
indata.length = input_token->length;
|
||||
indata.data = input_token->value;
|
||||
} else {
|
||||
ret = _gsskrb5_decapsulate (minor_status,
|
||||
input_token,
|
||||
&indata,
|
||||
"\x02\x00",
|
||||
GSS_KRB5_MECHANISM);
|
||||
if (ret) {
|
||||
/* XXX - Handle AP_ERROR */
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
kret = krb5_rd_rep (_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
&indata,
|
||||
&repl);
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
krb5_free_ap_rep_enc_part (_gsskrb5_context,
|
||||
repl);
|
||||
|
||||
_gsskrb5i_is_cfx(ctx, &is_cfx);
|
||||
if (is_cfx) {
|
||||
krb5_keyblock *key = NULL;
|
||||
|
||||
kret = krb5_auth_con_getremotesubkey(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
&key);
|
||||
if (kret == 0 && key != NULL) {
|
||||
ctx->more_flags |= ACCEPTOR_SUBKEY;
|
||||
krb5_free_keyblock (_gsskrb5_context, key);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
*minor_status = 0;
|
||||
if (time_rec) {
|
||||
ret = _gsskrb5_lifetime_left(minor_status,
|
||||
ctx->lifetime,
|
||||
time_rec);
|
||||
} else {
|
||||
ret = GSS_S_COMPLETE;
|
||||
}
|
||||
if (ret_flags)
|
||||
*ret_flags = ctx->flags;
|
||||
|
||||
if (req_flags & GSS_C_DCE_STYLE) {
|
||||
int32_t con_flags;
|
||||
krb5_data outbuf;
|
||||
|
||||
/* Do don't do sequence number for the mk-rep */
|
||||
krb5_auth_con_removeflags(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
KRB5_AUTH_CONTEXT_DO_SEQUENCE,
|
||||
&con_flags);
|
||||
|
||||
kret = krb5_mk_rep(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
&outbuf);
|
||||
if (kret) {
|
||||
_gsskrb5_set_error_string ();
|
||||
*minor_status = kret;
|
||||
return GSS_S_FAILURE;
|
||||
}
|
||||
|
||||
output_token->length = outbuf.length;
|
||||
output_token->value = outbuf.data;
|
||||
|
||||
krb5_auth_con_removeflags(_gsskrb5_context,
|
||||
ctx->auth_context,
|
||||
KRB5_AUTH_CONTEXT_DO_SEQUENCE,
|
||||
NULL);
|
||||
}
|
||||
|
||||
return gsskrb5_initiator_ready(minor_status, ctx);
|
||||
}
|
||||
|
||||
/*
|
||||
* gss_init_sec_context
|
||||
*/
|
||||
|
||||
OM_uint32 _gsskrb5_init_sec_context
|
||||
(OM_uint32 * minor_status,
|
||||
const gss_cred_id_t initiator_cred_handle,
|
||||
gss_ctx_id_t * context_handle,
|
||||
const gss_name_t target_name,
|
||||
const gss_OID mech_type,
|
||||
OM_uint32 req_flags,
|
||||
OM_uint32 time_req,
|
||||
const gss_channel_bindings_t input_chan_bindings,
|
||||
const gss_buffer_t input_token,
|
||||
gss_OID * actual_mech_type,
|
||||
gss_buffer_t output_token,
|
||||
OM_uint32 * ret_flags,
|
||||
OM_uint32 * time_rec
|
||||
)
|
||||
{
|
||||
gsskrb5_cred cred = (gsskrb5_cred)initiator_cred_handle;
|
||||
krb5_const_principal name = (krb5_const_principal)target_name;
|
||||
gsskrb5_ctx ctx;
|
||||
OM_uint32 ret;
|
||||
|
||||
GSSAPI_KRB5_INIT ();
|
||||
|
||||
output_token->length = 0;
|
||||
output_token->value = NULL;
|
||||
|
||||
if (context_handle == NULL) {
|
||||
*minor_status = 0;
|
||||
return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE;
|
||||
}
|
||||
|
||||
if (ret_flags)
|
||||
*ret_flags = 0;
|
||||
if (time_rec)
|
||||
*time_rec = 0;
|
||||
|
||||
if (target_name == GSS_C_NO_NAME) {
|
||||
if (actual_mech_type)
|
||||
*actual_mech_type = GSS_C_NO_OID;
|
||||
*minor_status = 0;
|
||||
return GSS_S_BAD_NAME;
|
||||
}
|
||||
|
||||
if (mech_type != GSS_C_NO_OID &&
|
||||
!gss_oid_equal(mech_type, GSS_KRB5_MECHANISM))
|
||||
return GSS_S_BAD_MECH;
|
||||
|
||||
if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) {
|
||||
OM_uint32 ret;
|
||||
|
||||
if (*context_handle != GSS_C_NO_CONTEXT) {
|
||||
*minor_status = 0;
|
||||
return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE;
|
||||
}
|
||||
|
||||
ret = _gsskrb5_create_ctx(minor_status,
|
||||
context_handle,
|
||||
input_chan_bindings,
|
||||
INITIATOR_START);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (*context_handle == GSS_C_NO_CONTEXT) {
|
||||
*minor_status = 0;
|
||||
return GSS_S_FAILURE | GSS_S_CALL_BAD_STRUCTURE;
|
||||
}
|
||||
|
||||
ctx = (gsskrb5_ctx) *context_handle;
|
||||
|
||||
HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex);
|
||||
|
||||
switch (ctx->state) {
|
||||
case INITIATOR_START:
|
||||
ret = init_auth(minor_status,
|
||||
cred,
|
||||
ctx,
|
||||
name,
|
||||
mech_type,
|
||||
req_flags,
|
||||
time_req,
|
||||
input_chan_bindings,
|
||||
input_token,
|
||||
actual_mech_type,
|
||||
output_token,
|
||||
ret_flags,
|
||||
time_rec);
|
||||
break;
|
||||
case INITIATOR_WAIT_FOR_MUTAL:
|
||||
ret = repl_mutual(minor_status,
|
||||
ctx,
|
||||
mech_type,
|
||||
req_flags,
|
||||
time_req,
|
||||
input_chan_bindings,
|
||||
input_token,
|
||||
actual_mech_type,
|
||||
output_token,
|
||||
ret_flags,
|
||||
time_rec);
|
||||
break;
|
||||
case INITIATOR_READY:
|
||||
/*
|
||||
* If we get there, the caller have called
|
||||
* gss_init_sec_context() one time too many.
|
||||
*/
|
||||
*minor_status = 0;
|
||||
ret = GSS_S_BAD_STATUS;
|
||||
break;
|
||||
default:
|
||||
*minor_status = 0;
|
||||
ret = GSS_S_BAD_STATUS;
|
||||
break;
|
||||
}
|
||||
HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex);
|
||||
|
||||
/* destroy context in case of error */
|
||||
if (GSS_ERROR(ret)) {
|
||||
OM_uint32 min2;
|
||||
_gsskrb5_delete_sec_context(&min2, context_handle, GSS_C_NO_BUFFER);
|
||||
}
|
||||
|
||||
return ret;
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user