xref: /freebsd-src/crypto/heimdal/lib/gssapi/mech/gss_canonicalize_name.c (revision 6a068746777241722b2b32c5d0bc443a2a64d80b)
1*ae771770SStanislav Sedov /*-
2*ae771770SStanislav Sedov  * Copyright (c) 2005 Doug Rabson
3*ae771770SStanislav Sedov  * All rights reserved.
4*ae771770SStanislav Sedov  *
5*ae771770SStanislav Sedov  * Redistribution and use in source and binary forms, with or without
6*ae771770SStanislav Sedov  * modification, are permitted provided that the following conditions
7*ae771770SStanislav Sedov  * are met:
8*ae771770SStanislav Sedov  * 1. Redistributions of source code must retain the above copyright
9*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer.
10*ae771770SStanislav Sedov  * 2. Redistributions in binary form must reproduce the above copyright
11*ae771770SStanislav Sedov  *    notice, this list of conditions and the following disclaimer in the
12*ae771770SStanislav Sedov  *    documentation and/or other materials provided with the distribution.
13*ae771770SStanislav Sedov  *
14*ae771770SStanislav Sedov  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*ae771770SStanislav Sedov  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*ae771770SStanislav Sedov  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*ae771770SStanislav Sedov  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*ae771770SStanislav Sedov  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*ae771770SStanislav Sedov  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*ae771770SStanislav Sedov  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*ae771770SStanislav Sedov  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*ae771770SStanislav Sedov  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*ae771770SStanislav Sedov  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*ae771770SStanislav Sedov  * SUCH DAMAGE.
25*ae771770SStanislav Sedov  *
26*ae771770SStanislav Sedov  *	$FreeBSD: src/lib/libgssapi/gss_canonicalize_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27*ae771770SStanislav Sedov  */
28*ae771770SStanislav Sedov 
29*ae771770SStanislav Sedov #include "mech_locl.h"
30*ae771770SStanislav Sedov 
31*ae771770SStanislav Sedov /**
32*ae771770SStanislav Sedov  *  gss_canonicalize_name takes a Internal Name (IN) and converts in into a
33*ae771770SStanislav Sedov  *  mechanism specific Mechanism Name (MN).
34*ae771770SStanislav Sedov  *
35*ae771770SStanislav Sedov  *  The input name may multiple name, or generic name types.
36*ae771770SStanislav Sedov  *
37*ae771770SStanislav Sedov  *  If the input_name if of the GSS_C_NT_USER_NAME, and the Kerberos
38*ae771770SStanislav Sedov  *  mechanism is specified, the resulting MN type is a
39*ae771770SStanislav Sedov  *  GSS_KRB5_NT_PRINCIPAL_NAME.
40*ae771770SStanislav Sedov  *
41*ae771770SStanislav Sedov  *  For more information about @ref internalVSmechname.
42*ae771770SStanislav Sedov  *
43*ae771770SStanislav Sedov  *  @param minor_status minor status code.
44*ae771770SStanislav Sedov  *  @param input_name name to covert, unchanged by gss_canonicalize_name().
45*ae771770SStanislav Sedov  *  @param mech_type the type to convert Name too.
46*ae771770SStanislav Sedov  *  @param output_name the resulting type, release with
47*ae771770SStanislav Sedov  *         gss_release_name(), independent of input_name.
48*ae771770SStanislav Sedov  *
49*ae771770SStanislav Sedov  *  @returns a gss_error code, see gss_display_status() about printing
50*ae771770SStanislav Sedov  *         the error code.
51*ae771770SStanislav Sedov  *
52*ae771770SStanislav Sedov  *  @ingroup gssapi
53*ae771770SStanislav Sedov  */
54*ae771770SStanislav Sedov 
55*ae771770SStanislav Sedov GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_canonicalize_name(OM_uint32 * minor_status,const gss_name_t input_name,const gss_OID mech_type,gss_name_t * output_name)56*ae771770SStanislav Sedov gss_canonicalize_name(OM_uint32 *minor_status,
57*ae771770SStanislav Sedov     const gss_name_t input_name,
58*ae771770SStanislav Sedov     const gss_OID mech_type,
59*ae771770SStanislav Sedov     gss_name_t *output_name)
60*ae771770SStanislav Sedov {
61*ae771770SStanislav Sedov 	OM_uint32 major_status;
62*ae771770SStanislav Sedov 	struct _gss_name *name = (struct _gss_name *) input_name;
63*ae771770SStanislav Sedov 	struct _gss_mechanism_name *mn;
64*ae771770SStanislav Sedov 	gssapi_mech_interface m;
65*ae771770SStanislav Sedov 	gss_name_t new_canonical_name;
66*ae771770SStanislav Sedov 
67*ae771770SStanislav Sedov 	*minor_status = 0;
68*ae771770SStanislav Sedov 	*output_name = 0;
69*ae771770SStanislav Sedov 
70*ae771770SStanislav Sedov 	major_status = _gss_find_mn(minor_status, name, mech_type, &mn);
71*ae771770SStanislav Sedov 	if (major_status)
72*ae771770SStanislav Sedov 		return major_status;
73*ae771770SStanislav Sedov 
74*ae771770SStanislav Sedov 	m = mn->gmn_mech;
75*ae771770SStanislav Sedov 	major_status = m->gm_canonicalize_name(minor_status,
76*ae771770SStanislav Sedov 	    mn->gmn_name, mech_type, &new_canonical_name);
77*ae771770SStanislav Sedov 	if (major_status) {
78*ae771770SStanislav Sedov 		_gss_mg_error(m, major_status, *minor_status);
79*ae771770SStanislav Sedov 		return (major_status);
80*ae771770SStanislav Sedov 	}
81*ae771770SStanislav Sedov 
82*ae771770SStanislav Sedov 	/*
83*ae771770SStanislav Sedov 	 * Now we make a new name and mark it as an MN.
84*ae771770SStanislav Sedov 	 */
85*ae771770SStanislav Sedov 	*minor_status = 0;
86*ae771770SStanislav Sedov 	name = malloc(sizeof(struct _gss_name));
87*ae771770SStanislav Sedov 	if (!name) {
88*ae771770SStanislav Sedov 		m->gm_release_name(minor_status, &new_canonical_name);
89*ae771770SStanislav Sedov 		*minor_status = ENOMEM;
90*ae771770SStanislav Sedov 		return (GSS_S_FAILURE);
91*ae771770SStanislav Sedov 	}
92*ae771770SStanislav Sedov 	memset(name, 0, sizeof(struct _gss_name));
93*ae771770SStanislav Sedov 
94*ae771770SStanislav Sedov 	mn = malloc(sizeof(struct _gss_mechanism_name));
95*ae771770SStanislav Sedov 	if (!mn) {
96*ae771770SStanislav Sedov 		m->gm_release_name(minor_status, &new_canonical_name);
97*ae771770SStanislav Sedov 		free(name);
98*ae771770SStanislav Sedov 		*minor_status = ENOMEM;
99*ae771770SStanislav Sedov 		return (GSS_S_FAILURE);
100*ae771770SStanislav Sedov 	}
101*ae771770SStanislav Sedov 
102*ae771770SStanislav Sedov 	HEIM_SLIST_INIT(&name->gn_mn);
103*ae771770SStanislav Sedov 	mn->gmn_mech = m;
104*ae771770SStanislav Sedov 	mn->gmn_mech_oid = &m->gm_mech_oid;
105*ae771770SStanislav Sedov 	mn->gmn_name = new_canonical_name;
106*ae771770SStanislav Sedov 	HEIM_SLIST_INSERT_HEAD(&name->gn_mn, mn, gmn_link);
107*ae771770SStanislav Sedov 
108*ae771770SStanislav Sedov 	*output_name = (gss_name_t) name;
109*ae771770SStanislav Sedov 
110*ae771770SStanislav Sedov 	return (GSS_S_COMPLETE);
111*ae771770SStanislav Sedov }
112