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>
41 #include <kgssapi/gssapi.h>
42 #include <kgssapi/gssapi_impl.h>
49 gss_init_sec_context(OM_uint32 * minor_status,
50 const gss_cred_id_t initiator_cred_handle,
51 gss_ctx_id_t * context_handle,
52 const gss_name_t target_name,
53 const gss_OID input_mech_type,
56 const gss_channel_bindings_t input_chan_bindings,
57 const gss_buffer_t input_token,
58 gss_OID * actual_mech_type,
59 gss_buffer_t output_token,
60 OM_uint32 * ret_flags,
63 struct init_sec_context_res res;
64 struct init_sec_context_args args;
66 gss_ctx_id_t ctx = *context_handle;
71 cl = kgss_gssd_client();
73 return (GSS_S_FAILURE);
75 args.uid = curthread->td_ucred->cr_uid;
76 if (initiator_cred_handle)
77 args.cred = initiator_cred_handle->handle;
81 args.ctx = ctx->handle;
84 args.name = target_name->handle;
85 args.mech_type = input_mech_type;
86 args.req_flags = req_flags;
87 args.time_req = time_req;
88 args.input_chan_bindings = input_chan_bindings;
90 args.input_token = *input_token;
92 args.input_token.length = 0;
93 args.input_token.value = NULL;
96 bzero(&res, sizeof(res));
97 stat = gssd_init_sec_context_1(&args, &res, cl);
99 if (stat != RPC_SUCCESS) {
100 *minor_status = stat;
101 return (GSS_S_FAILURE);
104 if (res.major_status != GSS_S_COMPLETE
105 && res.major_status != GSS_S_CONTINUE_NEEDED) {
106 *minor_status = res.minor_status;
107 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
108 return (res.major_status);
111 *minor_status = res.minor_status;
114 ctx = kgss_create_context(res.actual_mech_type);
116 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
118 return (GSS_S_BAD_MECH);
121 *context_handle = ctx;
122 ctx->handle = res.ctx;
123 if (actual_mech_type)
124 *actual_mech_type = KGSS_MECH_TYPE(ctx);
125 kgss_copy_buffer(&res.output_token, output_token);
127 *ret_flags = res.ret_flags;
129 *time_rec = res.time_rec;
131 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
134 * If the context establishment is complete, export it from
135 * userland and hand the result (which includes key material
136 * etc.) to the kernel implementation.
138 if (res.major_status == GSS_S_COMPLETE)
139 res.major_status = kgss_transfer_context(ctx);
141 return (res.major_status);