2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
3 * Authors: Doug Rabson <dfr@rabson.org>
4 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/mutex.h>
38 #include <kgssapi/gssapi.h>
39 #include <kgssapi/gssapi_impl.h>
45 OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status,
46 gss_ctx_id_t *context_handle,
47 const gss_cred_id_t acceptor_cred_handle,
48 const gss_buffer_t input_token,
49 const gss_channel_bindings_t input_chan_bindings,
52 gss_buffer_t output_token,
55 gss_cred_id_t *delegated_cred_handle)
57 struct accept_sec_context_res res;
58 struct accept_sec_context_args args;
60 gss_ctx_id_t ctx = *context_handle;
65 cl = kgss_gssd_client();
68 return (GSS_S_FAILURE);
72 args.ctx = ctx->handle;
75 if (acceptor_cred_handle)
76 args.cred = acceptor_cred_handle->handle;
79 args.input_token = *input_token;
80 args.input_chan_bindings = input_chan_bindings;
82 bzero(&res, sizeof(res));
83 stat = gssd_accept_sec_context_1(&args, &res, cl);
85 if (stat != RPC_SUCCESS) {
87 return (GSS_S_FAILURE);
90 if (res.major_status != GSS_S_COMPLETE
91 && res.major_status != GSS_S_CONTINUE_NEEDED) {
92 *minor_status = res.minor_status;
93 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
94 return (res.major_status);
97 *minor_status = res.minor_status;
100 ctx = kgss_create_context(res.mech_type);
102 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
104 return (GSS_S_BAD_MECH);
107 *context_handle = ctx;
109 ctx->handle = res.ctx;
110 name = malloc(sizeof(struct _gss_name_t), M_GSSAPI, M_WAITOK);
111 name->handle = res.src_name;
116 gss_release_name(&junk, &name);
119 *mech_type = KGSS_MECH_TYPE(ctx);
120 kgss_copy_buffer(&res.output_token, output_token);
122 *ret_flags = res.ret_flags;
124 *time_rec = res.time_rec;
125 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
126 cred->handle = res.delegated_cred_handle;
127 if (delegated_cred_handle) {
128 *delegated_cred_handle = cred;
131 gss_release_cred(&junk, &cred);
134 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
137 * If the context establishment is complete, export it from
138 * userland and hand the result (which includes key material
139 * etc.) to the kernel implementation.
141 if (res.major_status == GSS_S_COMPLETE)
142 res.major_status = kgss_transfer_context(ctx);
144 return (res.major_status);