2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
5 * Authors: Doug Rabson <dfr@rabson.org>
6 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #include <sys/mutex.h>
40 #include <kgssapi/gssapi.h>
41 #include <kgssapi/gssapi_impl.h>
47 OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status,
48 gss_ctx_id_t *context_handle,
49 const gss_cred_id_t acceptor_cred_handle,
50 const gss_buffer_t input_token,
51 const gss_channel_bindings_t input_chan_bindings,
54 gss_buffer_t output_token,
57 gss_cred_id_t *delegated_cred_handle)
59 struct accept_sec_context_res res;
60 struct accept_sec_context_args args;
62 gss_ctx_id_t ctx = *context_handle;
67 cl = kgss_gssd_client();
70 return (GSS_S_FAILURE);
74 args.ctx = ctx->handle;
77 if (acceptor_cred_handle)
78 args.cred = acceptor_cred_handle->handle;
81 args.input_token = *input_token;
82 args.input_chan_bindings = input_chan_bindings;
84 bzero(&res, sizeof(res));
85 stat = gssd_accept_sec_context_1(&args, &res, cl);
87 if (stat != RPC_SUCCESS) {
89 return (GSS_S_FAILURE);
92 if (res.major_status != GSS_S_COMPLETE
93 && res.major_status != GSS_S_CONTINUE_NEEDED) {
94 *minor_status = res.minor_status;
95 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
96 return (res.major_status);
99 *minor_status = res.minor_status;
102 ctx = kgss_create_context(res.mech_type);
104 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
106 return (GSS_S_BAD_MECH);
109 *context_handle = ctx;
111 ctx->handle = res.ctx;
112 name = malloc(sizeof(struct _gss_name_t), M_GSSAPI, M_WAITOK);
113 name->handle = res.src_name;
118 gss_release_name(&junk, &name);
121 *mech_type = KGSS_MECH_TYPE(ctx);
122 kgss_copy_buffer(&res.output_token, output_token);
124 *ret_flags = res.ret_flags;
126 *time_rec = res.time_rec;
127 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
128 cred->handle = res.delegated_cred_handle;
129 if (delegated_cred_handle) {
130 *delegated_cred_handle = cred;
133 gss_release_cred(&junk, &cred);
136 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
139 * If the context establishment is complete, export it from
140 * userland and hand the result (which includes key material
141 * etc.) to the kernel implementation.
143 if (res.major_status == GSS_S_COMPLETE)
144 res.major_status = kgss_transfer_context(ctx);
146 return (res.major_status);