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
26 * $FreeBSD: src/lib/libgssapi/gss_init_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 #include "mech_locl.h"
30 RCSID("$Id: gss_init_sec_context.c,v 1.3 2006/07/06 22:30:09 lha Exp $");
33 gss_init_sec_context(OM_uint32
* minor_status
,
34 const gss_cred_id_t initiator_cred_handle
,
35 gss_ctx_id_t
* context_handle
,
36 const gss_name_t target_name
,
37 const gss_OID input_mech_type
,
40 const gss_channel_bindings_t input_chan_bindings
,
41 const gss_buffer_t input_token
,
42 gss_OID
* actual_mech_type
,
43 gss_buffer_t output_token
,
44 OM_uint32
* ret_flags
,
47 OM_uint32 major_status
;
48 gssapi_mech_interface m
;
49 struct _gss_name
*name
= (struct _gss_name
*) target_name
;
50 struct _gss_mechanism_name
*mn
;
51 struct _gss_context
*ctx
= (struct _gss_context
*) *context_handle
;
52 struct _gss_cred
*cred
= (struct _gss_cred
*) initiator_cred_handle
;
53 struct _gss_mechanism_cred
*mc
;
54 gss_cred_id_t cred_handle
;
56 gss_OID mech_type
= input_mech_type
;
61 * If we haven't allocated a context yet, do so now and lookup
62 * the mechanism switch table. If we have one already, make
63 * sure we use the same mechanism switch as before.
66 if (mech_type
== NULL
)
67 mech_type
= GSS_KRB5_MECHANISM
;
69 ctx
= malloc(sizeof(struct _gss_context
));
71 *minor_status
= ENOMEM
;
72 return (GSS_S_FAILURE
);
74 memset(ctx
, 0, sizeof(struct _gss_context
));
75 m
= ctx
->gc_mech
= __gss_get_mechanism(mech_type
);
78 return (GSS_S_BAD_MECH
);
83 mech_type
= &ctx
->gc_mech
->gm_mech_oid
;
88 * Find the MN for this mechanism.
90 mn
= _gss_find_mn(name
, mech_type
);
94 return GSS_S_BAD_NAME
;
98 * If we have a cred, find the cred for this mechanism.
100 cred_handle
= GSS_C_NO_CREDENTIAL
;
102 SLIST_FOREACH(mc
, &cred
->gc_mc
, gmc_link
) {
103 if (gss_oid_equal(mech_type
, mc
->gmc_mech_oid
)) {
104 cred_handle
= mc
->gmc_cred
;
110 major_status
= m
->gm_init_sec_context(minor_status
,
124 if (major_status
!= GSS_S_COMPLETE
125 && major_status
!= GSS_S_CONTINUE_NEEDED
) {
129 *context_handle
= (gss_ctx_id_t
) ctx
;
132 return (major_status
);