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>
37 #include <kgssapi/gssapi.h>
38 #include <kgssapi/gssapi_impl.h>
45 gss_init_sec_context(OM_uint32 * minor_status,
46 const gss_cred_id_t initiator_cred_handle,
47 gss_ctx_id_t * context_handle,
48 const gss_name_t target_name,
49 const gss_OID input_mech_type,
52 const gss_channel_bindings_t input_chan_bindings,
53 const gss_buffer_t input_token,
54 gss_OID * actual_mech_type,
55 gss_buffer_t output_token,
56 OM_uint32 * ret_flags,
59 struct init_sec_context_res res;
60 struct init_sec_context_args args;
62 gss_ctx_id_t ctx = *context_handle;
66 if (!kgss_gssd_handle)
67 return (GSS_S_FAILURE);
69 args.uid = curthread->td_ucred->cr_uid;
70 if (initiator_cred_handle)
71 args.cred = initiator_cred_handle->handle;
75 args.ctx = ctx->handle;
78 args.name = target_name->handle;
79 args.mech_type = input_mech_type;
80 args.req_flags = req_flags;
81 args.time_req = time_req;
82 args.input_chan_bindings = input_chan_bindings;
84 args.input_token = *input_token;
86 args.input_token.length = 0;
87 args.input_token.value = NULL;
90 bzero(&res, sizeof(res));
91 stat = gssd_init_sec_context_1(&args, &res, kgss_gssd_handle);
92 if (stat != RPC_SUCCESS) {
94 return (GSS_S_FAILURE);
97 if (res.major_status != GSS_S_COMPLETE
98 && res.major_status != GSS_S_CONTINUE_NEEDED) {
99 *minor_status = res.minor_status;
100 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
101 return (res.major_status);
104 *minor_status = res.minor_status;
107 ctx = kgss_create_context(res.actual_mech_type);
109 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
111 return (GSS_S_BAD_MECH);
114 *context_handle = ctx;
115 ctx->handle = res.ctx;
116 if (actual_mech_type)
117 *actual_mech_type = KGSS_MECH_TYPE(ctx);
118 kgss_copy_buffer(&res.output_token, output_token);
120 *ret_flags = res.ret_flags;
122 *time_rec = res.time_rec;
124 xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
127 * If the context establishment is complete, export it from
128 * userland and hand the result (which includes key material
129 * etc.) to the kernel implementation.
131 if (res.major_status == GSS_S_COMPLETE)
132 res.major_status = kgss_transfer_context(ctx);
134 return (res.major_status);