1 /*        $NetBSD: external.c,v 1.2 2017/01/28 21:31:46 christos Exp $          */
2 
3 /*
4  * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "gsskrb5_locl.h"
37 #include <gssapi_mech.h>
38 
39 /*
40  * The implementation must reserve static storage for a
41  * gss_OID_desc object containing the value
42  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
43  *              "\x01\x02\x01\x01"},
44  * corresponding to an object-identifier value of
45  * {iso(1) member-body(2) United States(840) mit(113554)
46  *  infosys(1) gssapi(2) generic(1) user_name(1)}.  The constant
47  * GSS_C_NT_USER_NAME should be initialized to point
48  * to that gss_OID_desc.
49  */
50 
51 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_user_name_oid_desc =
52     {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x01")};
53 
54 /*
55  * The implementation must reserve static storage for a
56  * gss_OID_desc object containing the value
57  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
58  *              "\x01\x02\x01\x02"},
59  * corresponding to an object-identifier value of
60  * {iso(1) member-body(2) United States(840) mit(113554)
61  *  infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
62  * The constant GSS_C_NT_MACHINE_UID_NAME should be
63  * initialized to point to that gss_OID_desc.
64  */
65 
66 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_machine_uid_name_oid_desc =
67     {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x02")};
68 
69 /*
70  * The implementation must reserve static storage for a
71  * gss_OID_desc object containing the value
72  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
73  *              "\x01\x02\x01\x03"},
74  * corresponding to an object-identifier value of
75  * {iso(1) member-body(2) United States(840) mit(113554)
76  *  infosys(1) gssapi(2) generic(1) string_uid_name(3)}.
77  * The constant GSS_C_NT_STRING_UID_NAME should be
78  * initialized to point to that gss_OID_desc.
79  */
80 
81 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_string_uid_name_oid_desc =
82     {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x03")};
83 
84 /*
85  * The implementation must reserve static storage for a
86  * gss_OID_desc object containing the value
87  * {6, (void *)"\x2b\x06\x01\x05\x06\x02"},
88  * corresponding to an object-identifier value of
89  * {iso(1) org(3) dod(6) internet(1) security(5)
90  * nametypes(6) gss-host-based-services(2)).  The constant
91  * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point
92  * to that gss_OID_desc.  This is a deprecated OID value, and
93  * implementations wishing to support hostbased-service names
94  * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID,
95  * defined below, to identify such names;
96  * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym
97  * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input
98  * parameter, but should not be emitted by GSS-API
99  * implementations
100  */
101 
102 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_hostbased_service_x_oid_desc =
103     {6, rk_UNCONST("\x2b\x06\x01\x05\x06\x02")};
104 
105 /*
106  * The implementation must reserve static storage for a
107  * gss_OID_desc object containing the value
108  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
109  *              "\x01\x02\x01\x04"}, corresponding to an
110  * object-identifier value of {iso(1) member-body(2)
111  * Unites States(840) mit(113554) infosys(1) gssapi(2)
112  * generic(1) service_name(4)}.  The constant
113  * GSS_C_NT_HOSTBASED_SERVICE should be initialized
114  * to point to that gss_OID_desc.
115  */
116 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_hostbased_service_oid_desc =
117     {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12" "\x01\x02\x01\x04")};
118 
119 /*
120  * The implementation must reserve static storage for a
121  * gss_OID_desc object containing the value
122  * {6, (void *)"\x2b\x06\01\x05\x06\x03"},
123  * corresponding to an object identifier value of
124  * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
125  * 6(nametypes), 3(gss-anonymous-name)}.  The constant
126  * and GSS_C_NT_ANONYMOUS should be initialized to point
127  * to that gss_OID_desc.
128  */
129 
130 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_anonymous_oid_desc =
131     {6, rk_UNCONST("\x2b\x06\01\x05\x06\x03")};
132 
133 /*
134  * The implementation must reserve static storage for a
135  * gss_OID_desc object containing the value
136  * {6, (void *)"\x2b\x06\x01\x05\x06\x04"},
137  * corresponding to an object-identifier value of
138  * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
139  * 6(nametypes), 4(gss-api-exported-name)}.  The constant
140  * GSS_C_NT_EXPORT_NAME should be initialized to point
141  * to that gss_OID_desc.
142  */
143 
144 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_c_nt_export_name_oid_desc =
145     {6, rk_UNCONST("\x2b\x06\x01\x05\x06\x04") };
146 
147 /*
148  *   This name form shall be represented by the Object Identifier {iso(1)
149  *   member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
150  *   krb5(2) krb5_name(1)}.  The recommended symbolic name for this type
151  *   is "GSS_KRB5_NT_PRINCIPAL_NAME".
152  */
153 
154 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_krb5_nt_principal_name_oid_desc =
155     {10, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x01") };
156 
157 /*
158  * draft-ietf-cat-iakerb-09, IAKERB:
159  *   The mechanism ID for IAKERB proxy GSS-API Kerberos, in accordance
160  *   with the mechanism proposed by SPNEGO [7] for negotiating protocol
161  *   variations, is:  {iso(1) org(3) dod(6) internet(1) security(5)
162  *   mechanisms(5) iakerb(10) iakerbProxyProtocol(1)}.  The proposed
163  *   mechanism ID for IAKERB minimum messages GSS-API Kerberos, in
164  *   accordance with the mechanism proposed by SPNEGO for negotiating
165  *   protocol variations, is: {iso(1) org(3) dod(6) internet(1)
166  *   security(5) mechanisms(5) iakerb(10)
167  *   iakerbMinimumMessagesProtocol(2)}.
168  */
169 
170 gss_OID_desc GSSAPI_LIB_VARIABLE  __gss_iakerb_proxy_mechanism_oid_desc =
171     {7, rk_UNCONST("\x2b\x06\x01\x05\x05\x0a\x01")};
172 
173 gss_OID_desc GSSAPI_LIB_VARIABLE __gss_iakerb_min_msg_mechanism_oid_desc =
174     {7, rk_UNCONST("\x2b\x06\x01\x05\x05\x0a\x02") };
175 
176 /*
177  * Context for krb5 calls.
178  */
179 
180 static gss_mo_desc krb5_mo[] = {
181     {
182           GSS_C_MA_SASL_MECH_NAME,
183           GSS_MO_MA,
184           "SASL mech name",
185           rk_UNCONST("GS2-KRB5"),
186           _gss_mo_get_ctx_as_string,
187           NULL
188     },
189     {
190           GSS_C_MA_MECH_NAME,
191           GSS_MO_MA,
192           "Mechanism name",
193           rk_UNCONST("KRB5"),
194           _gss_mo_get_ctx_as_string,
195           NULL
196     },
197     {
198           GSS_C_MA_MECH_DESCRIPTION,
199           GSS_MO_MA,
200           "Mechanism description",
201           rk_UNCONST("Heimdal Kerberos 5 mech"),
202           _gss_mo_get_ctx_as_string,
203           NULL
204     },
205     {
206           GSS_C_MA_MECH_CONCRETE,
207           GSS_MO_MA,
208           NULL,
209           NULL,
210           NULL,
211           NULL
212     },
213     {
214           GSS_C_MA_ITOK_FRAMED,
215           GSS_MO_MA,
216           NULL,
217           NULL,
218           NULL,
219           NULL
220     },
221     {
222           GSS_C_MA_AUTH_INIT,
223           GSS_MO_MA,
224           NULL,
225           NULL,
226           NULL,
227           NULL
228     },
229     {
230           GSS_C_MA_AUTH_TARG,
231           GSS_MO_MA,
232           NULL,
233           NULL,
234           NULL,
235           NULL
236     },
237     {
238           GSS_C_MA_AUTH_INIT_ANON,
239           GSS_MO_MA,
240           NULL,
241           NULL,
242           NULL,
243           NULL
244     },
245     {
246           GSS_C_MA_DELEG_CRED,
247           GSS_MO_MA,
248           NULL,
249           NULL,
250           NULL,
251           NULL
252     },
253     {
254           GSS_C_MA_INTEG_PROT,
255           GSS_MO_MA,
256           NULL,
257           NULL,
258           NULL,
259           NULL
260     },
261     {
262           GSS_C_MA_CONF_PROT,
263           GSS_MO_MA,
264           NULL,
265           NULL,
266           NULL,
267           NULL
268     },
269     {
270           GSS_C_MA_MIC,
271           GSS_MO_MA,
272           NULL,
273           NULL,
274           NULL,
275           NULL
276     },
277     {
278           GSS_C_MA_WRAP,
279           GSS_MO_MA,
280           NULL,
281           NULL,
282           NULL,
283           NULL
284     },
285     {
286           GSS_C_MA_PROT_READY,
287           GSS_MO_MA,
288           NULL,
289           NULL,
290           NULL,
291           NULL
292     },
293     {
294           GSS_C_MA_REPLAY_DET,
295           GSS_MO_MA,
296           NULL,
297           NULL,
298           NULL,
299           NULL
300     },
301     {
302           GSS_C_MA_OOS_DET,
303           GSS_MO_MA,
304           NULL,
305           NULL,
306           NULL,
307           NULL
308     },
309     {
310           GSS_C_MA_CBINDINGS,
311           GSS_MO_MA,
312           NULL,
313           NULL,
314           NULL,
315           NULL
316     },
317     {
318           GSS_C_MA_PFS,
319           GSS_MO_MA,
320           NULL,
321           NULL,
322           NULL,
323           NULL
324     },
325     {
326           GSS_C_MA_CTX_TRANS,
327           GSS_MO_MA,
328           NULL,
329           NULL,
330           NULL,
331           NULL
332     }
333 };
334 
335 /*
336  *
337  */
338 
339 static gssapi_mech_interface_desc krb5_mech = {
340     GMI_VERSION,
341     "kerberos 5",
342     {9, rk_UNCONST("\x2a\x86\x48\x86\xf7\x12\x01\x02\x02") },
343     0,
344     _gsskrb5_acquire_cred,
345     _gsskrb5_release_cred,
346     _gsskrb5_init_sec_context,
347     _gsskrb5_accept_sec_context,
348     _gsskrb5_process_context_token,
349     _gsskrb5_delete_sec_context,
350     _gsskrb5_context_time,
351     _gsskrb5_get_mic,
352     _gsskrb5_verify_mic,
353     _gsskrb5_wrap,
354     _gsskrb5_unwrap,
355     _gsskrb5_display_status,
356     _gsskrb5_indicate_mechs,
357     _gsskrb5_compare_name,
358     _gsskrb5_display_name,
359     _gsskrb5_import_name,
360     _gsskrb5_export_name,
361     _gsskrb5_release_name,
362     _gsskrb5_inquire_cred,
363     _gsskrb5_inquire_context,
364     _gsskrb5_wrap_size_limit,
365     _gsskrb5_add_cred,
366     _gsskrb5_inquire_cred_by_mech,
367     _gsskrb5_export_sec_context,
368     _gsskrb5_import_sec_context,
369     _gsskrb5_inquire_names_for_mech,
370     _gsskrb5_inquire_mechs_for_name,
371     _gsskrb5_canonicalize_name,
372     _gsskrb5_duplicate_name,
373     _gsskrb5_inquire_sec_context_by_oid,
374     _gsskrb5_inquire_cred_by_oid,
375     _gsskrb5_set_sec_context_option,
376     _gsskrb5_set_cred_option,
377     _gsskrb5_pseudo_random,
378     _gk_wrap_iov,
379     _gk_unwrap_iov,
380     _gk_wrap_iov_length,
381     _gsskrb5_store_cred,
382     _gsskrb5_export_cred,
383     _gsskrb5_import_cred,
384     _gsskrb5_acquire_cred_ext,
385     NULL,
386     NULL,
387     NULL,
388     NULL,
389     NULL,
390     NULL,
391     krb5_mo,
392     sizeof(krb5_mo) / sizeof(krb5_mo[0]),
393     _gsskrb5_localname,
394     _gsskrb5_authorize_localname,
395     NULL,
396     NULL,
397     NULL,
398     NULL,
399     NULL,
400     NULL,
401     NULL
402 };
403 
404 gssapi_mech_interface
__gss_krb5_initialize(void)405 __gss_krb5_initialize(void)
406 {
407     return &krb5_mech;
408 }
409