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>
34 #include <sys/malloc.h>
36 #include <kgssapi/gssapi.h>
37 #include <kgssapi/gssapi_impl.h>
43 OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status,
44 gss_ctx_id_t *context_handle,
45 const gss_cred_id_t acceptor_cred_handle,
46 const gss_buffer_t input_token,
47 const gss_channel_bindings_t input_chan_bindings,
50 gss_buffer_t output_token,
53 gss_cred_id_t *delegated_cred_handle)
55 struct accept_sec_context_res res;
56 struct accept_sec_context_args args;
58 gss_ctx_id_t ctx = *context_handle;
62 if (!kgss_gssd_handle)
63 return (GSS_S_FAILURE);
66 args.ctx = ctx->handle;
69 if (acceptor_cred_handle)
70 args.cred = acceptor_cred_handle->handle;
73 args.input_token = *input_token;
74 args.input_chan_bindings = input_chan_bindings;
76 bzero(&res, sizeof(res));
77 stat = gssd_accept_sec_context_1(&args, &res, kgss_gssd_handle);
78 if (stat != RPC_SUCCESS) {
80 return (GSS_S_FAILURE);
83 if (res.major_status != GSS_S_COMPLETE
84 && res.major_status != GSS_S_CONTINUE_NEEDED) {
85 *minor_status = res.minor_status;
86 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
87 return (res.major_status);
90 *minor_status = res.minor_status;
93 ctx = kgss_create_context(res.mech_type);
95 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
97 return (GSS_S_BAD_MECH);
100 *context_handle = ctx;
102 ctx->handle = res.ctx;
103 name = malloc(sizeof(struct _gss_name_t), M_GSSAPI, M_WAITOK);
104 name->handle = res.src_name;
109 gss_release_name(&junk, &name);
112 *mech_type = KGSS_MECH_TYPE(ctx);
113 kgss_copy_buffer(&res.output_token, output_token);
115 *ret_flags = res.ret_flags;
117 *time_rec = res.time_rec;
118 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
119 cred->handle = res.delegated_cred_handle;
120 if (delegated_cred_handle) {
121 *delegated_cred_handle = cred;
124 gss_release_cred(&junk, &cred);
127 xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
130 * If the context establishment is complete, export it from
131 * userland and hand the result (which includes key material
132 * etc.) to the kernel implementation.
134 if (res.major_status == GSS_S_COMPLETE)
135 res.major_status = kgss_transfer_context(ctx);
137 return (res.major_status);