2 * Copyright (c) 2005 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <gssapi/gssapi.h>
34 #include "mech_switch.h"
40 gss_init_sec_context(OM_uint32 * minor_status,
41 const gss_cred_id_t initiator_cred_handle,
42 gss_ctx_id_t * context_handle,
43 const gss_name_t target_name,
44 const gss_OID imech_type,
47 const gss_channel_bindings_t input_chan_bindings,
48 const gss_buffer_t input_token,
49 gss_OID * actual_mech_type,
50 gss_buffer_t output_token,
51 OM_uint32 * ret_flags,
54 OM_uint32 major_status;
56 struct _gss_mech_switch *m;
57 struct _gss_name *name = (struct _gss_name *) target_name;
58 struct _gss_mechanism_name *mn;
59 struct _gss_context *ctx = (struct _gss_context *) *context_handle;
60 struct _gss_cred *cred = (struct _gss_cred *) initiator_cred_handle;
61 struct _gss_mechanism_cred *mc;
62 gss_cred_id_t cred_handle;
67 if ((mech_type = imech_type) == GSS_C_NO_OID) {
69 mech_type = &SLIST_FIRST(&_gss_mechs)->gm_mech_oid;
70 if (mech_type == NULL)
71 return (GSS_S_BAD_MECH);
75 * If we haven't allocated a context yet, do so now and lookup
76 * the mechanism switch table. If we have one already, make
77 * sure we use the same mechanism switch as before.
80 ctx = malloc(sizeof(struct _gss_context));
82 *minor_status = ENOMEM;
83 return (GSS_S_FAILURE);
85 memset(ctx, 0, sizeof(struct _gss_context));
86 m = ctx->gc_mech = _gss_find_mech_switch(mech_type);
89 return (GSS_S_BAD_MECH);
98 * Find the MN for this mechanism.
100 mn = _gss_find_mn(name, mech_type);
104 return GSS_S_BAD_NAME;
108 * If we have a cred, find the cred for this mechanism.
110 cred_handle = GSS_C_NO_CREDENTIAL;
112 SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
113 if (_gss_oid_equal(mech_type, mc->gmc_mech_oid)) {
114 cred_handle = mc->gmc_cred;
120 major_status = m->gm_init_sec_context(minor_status,
134 if (major_status != GSS_S_COMPLETE
135 && major_status != GSS_S_CONTINUE_NEEDED) {
139 *context_handle = (gss_ctx_id_t) ctx;
142 return (major_status);