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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
- * Authors: Doug Rabson <dfr@rabson.org>
- * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
- *
- * 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 <sys/param.h>
- #include <sys/kernel.h>
- #include <sys/kobj.h>
- #include <sys/lock.h>
- #include <sys/malloc.h>
- #include <sys/mutex.h>
- #include <sys/proc.h>
- #include <kgssapi/gssapi.h>
- #include <kgssapi/gssapi_impl.h>
- #include <rpc/rpc.h>
- #include "gssd.h"
- #include "kgss_if.h"
- OM_uint32
- gss_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 input_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)
- {
- struct init_sec_context_res res;
- struct init_sec_context_args args;
- enum clnt_stat stat;
- gss_ctx_id_t ctx = *context_handle;
- CLIENT *cl;
- *minor_status = 0;
- cl = kgss_gssd_client();
- if (cl == NULL)
- return (GSS_S_FAILURE);
- args.uid = curthread->td_ucred->cr_uid;
- if (initiator_cred_handle)
- args.cred = initiator_cred_handle->handle;
- else
- args.cred = 0;
- if (ctx)
- args.ctx = ctx->handle;
- else
- args.ctx = 0;
- args.name = target_name->handle;
- args.mech_type = input_mech_type;
- args.req_flags = req_flags;
- args.time_req = time_req;
- args.input_chan_bindings = input_chan_bindings;
- if (input_token)
- args.input_token = *input_token;
- else {
- args.input_token.length = 0;
- args.input_token.value = NULL;
- }
- bzero(&res, sizeof(res));
- stat = gssd_init_sec_context_1(&args, &res, cl);
- CLNT_RELEASE(cl);
- if (stat != RPC_SUCCESS) {
- *minor_status = stat;
- return (GSS_S_FAILURE);
- }
- if (res.major_status != GSS_S_COMPLETE
- && res.major_status != GSS_S_CONTINUE_NEEDED) {
- *minor_status = res.minor_status;
- xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
- return (res.major_status);
- }
- *minor_status = res.minor_status;
- if (!ctx) {
- ctx = kgss_create_context(res.actual_mech_type);
- if (!ctx) {
- xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
- *minor_status = 0;
- return (GSS_S_BAD_MECH);
- }
- }
- *context_handle = ctx;
- ctx->handle = res.ctx;
- if (actual_mech_type)
- *actual_mech_type = KGSS_MECH_TYPE(ctx);
- kgss_copy_buffer(&res.output_token, output_token);
- if (ret_flags)
- *ret_flags = res.ret_flags;
- if (time_rec)
- *time_rec = res.time_rec;
- xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
- /*
- * If the context establishment is complete, export it from
- * userland and hand the result (which includes key material
- * etc.) to the kernel implementation.
- */
- if (res.major_status == GSS_S_COMPLETE)
- res.major_status = kgss_transfer_context(ctx);
- return (res.major_status);
- }
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