xref: /freebsd/lib/libgssapi/mech_switch.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*-
2  * Copyright (c) 2005 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD$
27  */
28 
29 #include <unistd.h>
30 #include <sys/queue.h>
31 
32 typedef OM_uint32 _gss_acquire_cred_t
33 	      (OM_uint32 *,            /* minor_status */
34 	       const gss_name_t,       /* desired_name */
35 	       OM_uint32,              /* time_req */
36 	       const gss_OID_set,      /* desired_mechs */
37 	       gss_cred_usage_t,       /* cred_usage */
38 	       gss_cred_id_t *,        /* output_cred_handle */
39 	       gss_OID_set *,          /* actual_mechs */
40 	       OM_uint32 *             /* time_rec */
41 	      );
42 
43 typedef OM_uint32 _gss_release_cred_t
44 	      (OM_uint32 *,            /* minor_status */
45 	       gss_cred_id_t *         /* cred_handle */
46 	      );
47 
48 typedef OM_uint32 _gss_init_sec_context_t
49 	      (OM_uint32 *,            /* minor_status */
50 	       const gss_cred_id_t,    /* initiator_cred_handle */
51 	       gss_ctx_id_t *,         /* context_handle */
52 	       const gss_name_t,       /* target_name */
53 	       const gss_OID,          /* mech_type */
54 	       OM_uint32,              /* req_flags */
55 	       OM_uint32,              /* time_req */
56 	       const gss_channel_bindings_t,
57 				       /* input_chan_bindings */
58 	       const gss_buffer_t,     /* input_token */
59 	       gss_OID *,              /* actual_mech_type */
60 	       gss_buffer_t,           /* output_token */
61 	       OM_uint32 *,            /* ret_flags */
62 	       OM_uint32 *             /* time_rec */
63 	      );
64 
65 typedef OM_uint32 _gss_accept_sec_context_t
66 	      (OM_uint32 *,            /* minor_status */
67 	       gss_ctx_id_t *,         /* context_handle */
68 	       const gss_cred_id_t,    /* acceptor_cred_handle */
69 	       const gss_buffer_t,     /* input_token_buffer */
70 	       const gss_channel_bindings_t,
71 				       /* input_chan_bindings */
72 	       gss_name_t *,           /* src_name */
73 	       gss_OID *,              /* mech_type */
74 	       gss_buffer_t,           /* output_token */
75 	       OM_uint32 *,            /* ret_flags */
76 	       OM_uint32 *,            /* time_rec */
77 	       gss_cred_id_t *         /* delegated_cred_handle */
78 	      );
79 
80 typedef OM_uint32 _gss_process_context_token_t
81 	      (OM_uint32 *,            /* minor_status */
82 	       const gss_ctx_id_t,     /* context_handle */
83 	       const gss_buffer_t      /* token_buffer */
84 	      );
85 
86 typedef OM_uint32 _gss_delete_sec_context_t
87 	      (OM_uint32 *,            /* minor_status */
88 	       gss_ctx_id_t *,         /* context_handle */
89 	       gss_buffer_t            /* output_token */
90 	      );
91 
92 typedef OM_uint32 _gss_context_time_t
93 	      (OM_uint32 *,            /* minor_status */
94 	       const gss_ctx_id_t,     /* context_handle */
95 	       OM_uint32 *             /* time_rec */
96 	      );
97 
98 typedef OM_uint32 _gss_get_mic_t
99 	      (OM_uint32 *,            /* minor_status */
100 	       const gss_ctx_id_t,     /* context_handle */
101 	       gss_qop_t,              /* qop_req */
102 	       const gss_buffer_t,     /* message_buffer */
103 	       gss_buffer_t            /* message_token */
104 	      );
105 
106 typedef OM_uint32 _gss_verify_mic_t
107 	      (OM_uint32 *,            /* minor_status */
108 	       const gss_ctx_id_t,     /* context_handle */
109 	       const gss_buffer_t,     /* message_buffer */
110 	       const gss_buffer_t,     /* token_buffer */
111 	       gss_qop_t *             /* qop_state */
112 	      );
113 
114 typedef OM_uint32 _gss_wrap_t
115 	      (OM_uint32 *,            /* minor_status */
116 	       const gss_ctx_id_t,     /* context_handle */
117 	       int,                    /* conf_req_flag */
118 	       gss_qop_t,              /* qop_req */
119 	       const gss_buffer_t,     /* input_message_buffer */
120 	       int *,                  /* conf_state */
121 	       gss_buffer_t            /* output_message_buffer */
122 	      );
123 
124 typedef OM_uint32 _gss_unwrap_t
125 	      (OM_uint32 *,            /* minor_status */
126 	       const gss_ctx_id_t,     /* context_handle */
127 	       const gss_buffer_t,     /* input_message_buffer */
128 	       gss_buffer_t,           /* output_message_buffer */
129 	       int *,                  /* conf_state */
130 	       gss_qop_t *             /* qop_state */
131 	      );
132 
133 typedef OM_uint32 _gss_display_status_t
134 	      (OM_uint32 *,            /* minor_status */
135 	       OM_uint32,              /* status_value */
136 	       int,                    /* status_type */
137 	       const gss_OID,          /* mech_type */
138 	       OM_uint32 *,            /* message_context */
139 	       gss_buffer_t            /* status_string */
140 	      );
141 
142 typedef OM_uint32 _gss_indicate_mechs_t
143 	      (OM_uint32 *,            /* minor_status */
144 	       gss_OID_set *           /* mech_set */
145 	      );
146 
147 typedef OM_uint32 _gss_compare_name_t
148 	      (OM_uint32 *,            /* minor_status */
149 	       const gss_name_t,       /* name1 */
150 	       const gss_name_t,       /* name2 */
151 	       int *                   /* name_equal */
152 	      );
153 
154 typedef OM_uint32 _gss_display_name_t
155 	      (OM_uint32 *,            /* minor_status */
156 	       const gss_name_t,       /* input_name */
157 	       gss_buffer_t,           /* output_name_buffer */
158 	       gss_OID *               /* output_name_type */
159 	      );
160 
161 typedef OM_uint32 _gss_import_name_t
162 	      (OM_uint32 *,            /* minor_status */
163 	       const gss_buffer_t,     /* input_name_buffer */
164 	       const gss_OID,          /* input_name_type */
165 	       gss_name_t *            /* output_name */
166 	      );
167 
168 typedef OM_uint32 _gss_export_name_t
169 	      (OM_uint32 *,            /* minor_status */
170 	       const gss_name_t,       /* input_name */
171 	       gss_buffer_t            /* exported_name */
172 	      );
173 
174 typedef OM_uint32 _gss_release_name_t
175 	      (OM_uint32 *,            /* minor_status */
176 	       gss_name_t *            /* input_name */
177 	      );
178 
179 typedef OM_uint32 _gss_inquire_cred_t
180 	      (OM_uint32 *,            /* minor_status */
181 	       const gss_cred_id_t,    /* cred_handle */
182 	       gss_name_t *,           /* name */
183 	       OM_uint32 *,            /* lifetime */
184 	       gss_cred_usage_t *,     /* cred_usage */
185 	       gss_OID_set *           /* mechanisms */
186 	      );
187 
188 typedef OM_uint32 _gss_inquire_context_t
189 	      (OM_uint32 *,            /* minor_status */
190 	       const gss_ctx_id_t,     /* context_handle */
191 	       gss_name_t *,           /* src_name */
192 	       gss_name_t *,           /* targ_name */
193 	       OM_uint32 *,            /* lifetime_rec */
194 	       gss_OID *,              /* mech_type */
195 	       OM_uint32 *,            /* ctx_flags */
196 	       int *,                  /* locally_initiated */
197 	       int *                   /* open */
198 	      );
199 
200 typedef OM_uint32 _gss_wrap_size_limit_t
201 	      (OM_uint32 *,            /* minor_status */
202 	       const gss_ctx_id_t,     /* context_handle */
203 	       int,                    /* conf_req_flag */
204 	       gss_qop_t,              /* qop_req */
205 	       OM_uint32,              /* req_output_size */
206 	       OM_uint32 *             /* max_input_size */
207 	      );
208 
209 typedef OM_uint32 _gss_add_cred_t (
210 	       OM_uint32 *,            /* minor_status */
211 	       const gss_cred_id_t,    /* input_cred_handle */
212 	       const gss_name_t,       /* desired_name */
213 	       const gss_OID,          /* desired_mech */
214 	       gss_cred_usage_t,       /* cred_usage */
215 	       OM_uint32,              /* initiator_time_req */
216 	       OM_uint32,              /* acceptor_time_req */
217 	       gss_cred_id_t *,        /* output_cred_handle */
218 	       gss_OID_set *,          /* actual_mechs */
219 	       OM_uint32 *,            /* initiator_time_rec */
220 	       OM_uint32 *             /* acceptor_time_rec */
221 	      );
222 
223 typedef OM_uint32 _gss_inquire_cred_by_mech_t (
224 	       OM_uint32 *,            /* minor_status */
225 	       const gss_cred_id_t,    /* cred_handle */
226 	       const gss_OID,          /* mech_type */
227 	       gss_name_t *,           /* name */
228 	       OM_uint32 *,            /* initiator_lifetime */
229 	       OM_uint32 *,            /* acceptor_lifetime */
230 	       gss_cred_usage_t *      /* cred_usage */
231 	      );
232 
233 typedef OM_uint32 _gss_export_sec_context_t (
234 	       OM_uint32 *,            /* minor_status */
235 	       gss_ctx_id_t *,         /* context_handle */
236 	       gss_buffer_t            /* interprocess_token */
237 	      );
238 
239 typedef OM_uint32 _gss_import_sec_context_t (
240 	       OM_uint32 *,            /* minor_status */
241 	       const gss_buffer_t,     /* interprocess_token */
242 	       gss_ctx_id_t *          /* context_handle */
243 	      );
244 
245 typedef OM_uint32 _gss_inquire_names_for_mech_t (
246 	       OM_uint32 *,            /* minor_status */
247 	       const gss_OID,          /* mechanism */
248 	       gss_OID_set *           /* name_types */
249 	      );
250 
251 typedef OM_uint32 _gss_inquire_mechs_for_name_t (
252 	       OM_uint32 *,            /* minor_status */
253 	       const gss_name_t,       /* input_name */
254 	       gss_OID_set *           /* mech_types */
255 	      );
256 
257 typedef OM_uint32 _gss_canonicalize_name_t (
258 	       OM_uint32 *,            /* minor_status */
259 	       const gss_name_t,       /* input_name */
260 	       const gss_OID,          /* mech_type */
261 	       gss_name_t *            /* output_name */
262 	      );
263 
264 typedef OM_uint32 _gss_duplicate_name_t (
265 	       OM_uint32 *,            /* minor_status */
266 	       const gss_name_t,       /* src_name */
267 	       gss_name_t *            /* dest_name */
268 	      );
269 
270 typedef OM_uint32 _gss_inquire_sec_context_by_oid
271 	      (OM_uint32 *,		/* minor_status */
272 	       const gss_ctx_id_t,	/* context_handle */
273 	       const gss_OID,		/* desired_object */
274 	       gss_buffer_set_t *	/* result */
275 	      );
276 
277 typedef OM_uint32 _gss_inquire_cred_by_oid
278 	      (OM_uint32 *,	       /* bminor_status */
279 	       const gss_cred_id_t,    /* cred_handle, */
280 	       const gss_OID,	       /* desired_object */
281 	       gss_buffer_set_t *      /* data_set */
282 	      );
283 
284 typedef OM_uint32 _gss_set_sec_context_option
285 	      (OM_uint32 *,		/* minor status */
286 	       gss_ctx_id_t *,		/* context */
287 	       const gss_OID,		/* option to set */
288 	       const gss_buffer_t	/* option value */
289 	      );
290 
291 typedef OM_uint32 _gss_set_cred_option
292 	      (OM_uint32 *,		/* minor status */
293 	       gss_cred_id_t *,		/* cred */
294 	       const gss_OID,		/* option to set */
295 	       const gss_buffer_t	/* option value */
296 	      );
297 
298 typedef OM_uint32 _gss_pseudo_random
299 	      (OM_uint32 *,	       /* minor status */
300 	       gss_ctx_id_t,	       /* context */
301 	       int,		       /* PRF key */
302 	       const gss_buffer_t,     /* PRF input */
303 	       ssize_t,		       /* desired output length */
304 	       gss_buffer_t	       /* PRF output */
305 	      );
306 
307 typedef OM_uint32 _gss_pname_to_uid
308 	      (OM_uint32 *,		/* minor status */
309 	       gss_name_t pname,	/* principal name */
310 	       gss_OID mech,		/* mechanism to query */
311 	       uid_t *uidp		/* pointer to UID for result */
312 	      );
313 
314 struct _gss_mech_switch {
315 	SLIST_ENTRY(_gss_mech_switch)	gm_link;
316 	const char			*gm_name_prefix;
317 	gss_OID_desc			gm_mech_oid;
318 	void				*gm_so;
319 	_gss_acquire_cred_t		*gm_acquire_cred;
320 	_gss_release_cred_t		*gm_release_cred;
321 	_gss_init_sec_context_t		*gm_init_sec_context;
322 	_gss_accept_sec_context_t	*gm_accept_sec_context;
323 	_gss_process_context_token_t	*gm_process_context_token;
324 	_gss_delete_sec_context_t	*gm_delete_sec_context;
325 	_gss_context_time_t		*gm_context_time;
326 	_gss_get_mic_t			*gm_get_mic;
327 	_gss_verify_mic_t		*gm_verify_mic;
328 	_gss_wrap_t			*gm_wrap;
329 	_gss_unwrap_t			*gm_unwrap;
330 	_gss_display_status_t		*gm_display_status;
331 	_gss_indicate_mechs_t		*gm_indicate_mechs;
332 	_gss_compare_name_t		*gm_compare_name;
333 	_gss_display_name_t		*gm_display_name;
334 	_gss_import_name_t		*gm_import_name;
335 	_gss_export_name_t		*gm_export_name;
336 	_gss_release_name_t		*gm_release_name;
337 	_gss_inquire_cred_t		*gm_inquire_cred;
338 	_gss_inquire_context_t		*gm_inquire_context;
339 	_gss_wrap_size_limit_t		*gm_wrap_size_limit;
340 	_gss_add_cred_t			*gm_add_cred;
341 	_gss_inquire_cred_by_mech_t	*gm_inquire_cred_by_mech;
342 	_gss_export_sec_context_t	*gm_export_sec_context;
343 	_gss_import_sec_context_t	*gm_import_sec_context;
344 	_gss_inquire_names_for_mech_t	*gm_inquire_names_for_mech;
345 	_gss_inquire_mechs_for_name_t	*gm_inquire_mechs_for_name;
346 	_gss_canonicalize_name_t	*gm_canonicalize_name;
347 	_gss_duplicate_name_t		*gm_duplicate_name;
348 	_gss_inquire_sec_context_by_oid	*gm_inquire_sec_context_by_oid;
349 	_gss_inquire_cred_by_oid	*gm_inquire_cred_by_oid;
350 	_gss_set_sec_context_option	*gm_set_sec_context_option;
351 	_gss_set_cred_option		*gm_set_cred_option;
352 	_gss_pseudo_random		*gm_pseudo_random;
353 	_gss_pname_to_uid		*gm_pname_to_uid;
354 };
355 SLIST_HEAD(_gss_mech_switch_list, _gss_mech_switch);
356 extern struct _gss_mech_switch_list _gss_mechs;
357 extern gss_OID_set _gss_mech_oids;
358 
359 extern void _gss_load_mech(void);
360 extern struct _gss_mech_switch *_gss_find_mech_switch(gss_OID);
361 extern void _gss_mg_error(struct _gss_mech_switch *m, OM_uint32 maj,
362     OM_uint32 min);
363 extern void _gss_mg_collect_error(gss_OID mech, OM_uint32 maj, OM_uint32 min);
364