1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 */
4 /*
5 * Copyright 1993 by OpenVision Technologies, Inc.
6 *
7 * Permission to use, copy, modify, distribute, and sell this software
8 * and its documentation for any purpose is hereby granted without fee,
9 * provided that the above copyright notice appears in all copies and
10 * that both that copyright notice and this permission notice appear in
11 * supporting documentation, and that the name of OpenVision not be used
12 * in advertising or publicity pertaining to distribution of the software
13 * without specific, written prior permission. OpenVision makes no
14 * representations about the suitability of this software for any
15 * purpose. It is provided "as is" without express or implied warranty.
16 *
17 * OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
19 * EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
20 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
21 * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
22 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
23 * PERFORMANCE OF THIS SOFTWARE.
24 */
25
26 #ifndef _GSSAPIP_GENERIC_H_
27 #define _GSSAPIP_GENERIC_H_
28
29 /*
30 * $Id: gssapiP_generic.h 18396 2006-07-25 20:29:43Z lxs $
31 */
32
33 #if defined(_WIN32)
34 #include "k5-int.h"
35 #else
36 #include "autoconf.h"
37 #ifndef _KERNEL
38 #ifdef HAVE_STDLIB_H
39 #include <stdlib.h>
40 #endif /* !_KERNEL */
41 #endif
42 #endif
43
44 #include "k5-thread.h"
45
46 #include "gssapi_generic.h"
47
48 #include "gssapi_err_generic.h"
49 #ifndef _KERNEL
50 #include <errno.h>
51 #else
52 #include <sys/errno.h>
53 #endif /* !_KERNEL */
54
55 #include "k5-platform.h"
56 typedef UINT64_TYPE gssint_uint64;
57
58 #include "gssapi/gssapi_ext.h"
59
60 /** helper macros **/
61
62 #if 0 /* SUNW15resync - on Solaris g_OID_equal is in gssapi_ext.h */
63 #define g_OID_equal(o1, o2) \
64 (((o1)->length == (o2)->length) && \
65 (memcmp((o1)->elements,(o2)->elements,(unsigned int) (o1)->length) == 0))
66 #endif
67
68 /* this code knows that an int on the wire is 32 bits. The type of
69 num should be at least this big, or the extra shifts may do weird
70 things */
71
72 #define TWRITE_INT(ptr, num, bigend) \
73 (ptr)[0] = (char) ((bigend)?((num)>>24):((num)&0xff)); \
74 (ptr)[1] = (char) ((bigend)?(((num)>>16)&0xff):(((num)>>8)&0xff)); \
75 (ptr)[2] = (char) ((bigend)?(((num)>>8)&0xff):(((num)>>16)&0xff)); \
76 (ptr)[3] = (char) ((bigend)?((num)&0xff):((num)>>24)); \
77 (ptr) += 4;
78
79 #define TWRITE_INT16(ptr, num, bigend) \
80 (ptr)[0] = (char) ((bigend)?((num)>>24):((num)&0xff)); \
81 (ptr)[1] = (char) ((bigend)?(((num)>>16)&0xff):(((num)>>8)&0xff)); \
82 (ptr) += 2;
83
84 #define TREAD_INT(ptr, num, bigend) \
85 (num) = (((ptr)[0]<<((bigend)?24: 0)) | \
86 ((ptr)[1]<<((bigend)?16: 8)) | \
87 ((ptr)[2]<<((bigend)? 8:16)) | \
88 ((ptr)[3]<<((bigend)? 0:24))); \
89 (ptr) += 4;
90
91 #define TREAD_INT16(ptr, num, bigend) \
92 (num) = (((ptr)[0]<<((bigend)?24: 0)) | \
93 ((ptr)[1]<<((bigend)?16: 8))); \
94 (ptr) += 2;
95
96 #define TWRITE_STR(ptr, str, len) \
97 (void) memcpy((ptr), (char *) (str), (len)); \
98 (ptr) += (len);
99
100 #define TREAD_STR(ptr, str, len) \
101 (str) = (ptr); \
102 (ptr) += (len);
103
104 #define TWRITE_BUF(ptr, buf, bigend) \
105 TWRITE_INT((ptr), (buf).length, (bigend)); \
106 TWRITE_STR((ptr), (buf).value, (buf).length);
107
108 /** malloc wrappers; these may actually do something later */
109
110 #ifdef _KERNEL
111 #define xmalloc(n) MALLOC(n)
112 #else
113 #define xmalloc(n) malloc(n)
114 #endif
115
116 #define xrealloc(p,n) realloc(p,n)
117 #ifdef xfree
118 #undef xfree
119 #endif
120
121 #ifdef _KERNEL
122 #define xfree_wrap(p,sze) kmem_free(p,sze)
123 #else
124 #define xfree_wrap(p,sze) free(p)
125 #define xfree(p) free(p)
126 #endif
127
128 /** helper functions **/
129
130 /* hide names from applications, especially glib applications */
131 #define g_set_init gssint_g_set_init
132 #define g_set_destroy gssint_g_set_destroy
133 #define g_set_entry_add gssint_g_set_entry_add
134 #define g_set_entry_delete gssint_g_set_entry_delete
135 #define g_set_entry_get gssint_g_set_entry_get
136 #define g_save_name gssint_g_save_name
137 #define g_save_cred_id gssint_g_save_cred_id
138 #define g_save_ctx_id gssint_g_save_ctx_id
139 #define g_save_lucidctx_id gssint_g_save_lucidctx_id
140 #define g_validate_name gssint_g_validate_name
141 #define g_validate_cred_id gssint_g_validate_cred_id
142 #define g_validate_ctx_id gssint_g_validate_ctx_id
143 #define g_validate_lucidctx_id gssint_g_validate_lucidctx_id
144 #define g_delete_name gssint_g_delete_name
145 #define g_delete_cred_id gssint_g_delete_cred_id
146 #define g_delete_ctx_id gssint_g_delete_ctx_id
147 #define g_delete_lucidctx_id gssint_g_delete_lucidctx_id
148 #define g_make_string_buffer gssint_g_make_string_buffer
149 #define g_token_size gssint_g_token_size
150 #define g_make_token_header gssint_g_make_token_header
151 #define g_verify_token_header gssint_g_verify_token_header
152 #define g_display_major_status gssint_g_display_major_status
153 #define g_display_com_err_status gssint_g_display_com_err_status
154 #define g_order_init gssint_g_order_init
155 #define g_order_check gssint_g_order_check
156 #define g_order_free gssint_g_order_free
157 #define g_queue_size gssint_g_queue_size
158 #define g_queue_externalize gssint_g_queue_externalize
159 #define g_queue_internalize gssint_g_queue_internalize
160 #define g_canonicalize_host gssint_g_canonicalize_host
161 #define g_local_host_name gssint_g_local_host_name
162 #define g_strdup gssint_g_strdup
163
164 typedef struct _g_set_elt *g_set_elt;
165 typedef struct {
166 k5_mutex_t mutex;
167 void *data;
168 } g_set;
169 #define G_SET_INIT { K5_MUTEX_PARTIAL_INITIALIZER, 0 }
170
171 int g_set_init (g_set_elt *s);
172 int g_set_destroy (g_set_elt *s);
173 int g_set_entry_add (g_set_elt *s, void *key, void *value);
174 int g_set_entry_delete (g_set_elt *s, void *key);
175 int g_set_entry_get (g_set_elt *s, void *key, void **value);
176
177 int g_save_name (g_set *vdb, gss_name_t name);
178 int g_save_cred_id (g_set *vdb, gss_cred_id_t cred);
179 int g_save_ctx_id (g_set *vdb, gss_ctx_id_t ctx);
180 int g_save_lucidctx_id (g_set *vdb, void *lctx);
181
182 int g_validate_name (g_set *vdb, gss_name_t name);
183 int g_validate_cred_id (g_set *vdb, gss_cred_id_t cred);
184 int g_validate_ctx_id (g_set *vdb, gss_ctx_id_t ctx);
185 int g_validate_lucidctx_id (g_set *vdb, void *lctx);
186
187 int g_delete_name (g_set *vdb, gss_name_t name);
188 int g_delete_cred_id (g_set *vdb, gss_cred_id_t cred);
189 int g_delete_ctx_id (g_set *vdb, gss_ctx_id_t ctx);
190 int g_delete_lucidctx_id (g_set *vdb, void *lctx);
191
192 int g_make_string_buffer (const char *str, gss_buffer_t buffer);
193
194 unsigned int g_token_size (const gss_OID_desc * mech, unsigned int body_size);
195
196 void g_make_token_header (const gss_OID_desc * mech, unsigned int body_size,
197 unsigned char **buf, int tok_type);
198
199 gss_int32 g_verify_token_header (const gss_OID_desc * mech,
200 unsigned int *body_size,
201 unsigned char **buf, int tok_type,
202 unsigned int toksize_in,
203 int wrapper_required);
204
205 OM_uint32 g_display_major_status (OM_uint32 *minor_status,
206 OM_uint32 status_value,
207 OM_uint32 *message_context,
208 gss_buffer_t status_string);
209
210 OM_uint32 g_display_com_err_status (OM_uint32 *minor_status,
211 OM_uint32 status_value,
212 gss_buffer_t status_string);
213
214 gss_int32 g_order_init (void **queue, gssint_uint64 seqnum,
215 int do_replay, int do_sequence, int wide);
216
217 gss_int32 g_order_check (void **queue, gssint_uint64 seqnum);
218
219 void g_order_free (void **queue);
220
221 gss_uint32 g_queue_size(void *vqueue, size_t *sizep);
222 gss_uint32 g_queue_externalize(void *vqueue, unsigned char **buf,
223 size_t *lenremain);
224 gss_uint32 g_queue_internalize(void **vqueue, unsigned char **buf,
225 size_t *lenremain);
226
227 char *g_strdup (char *str);
228
229 /** declarations of internal name mechanism functions **/
230
231 #if 0 /* SUNW15resync - mved to mglueP.h for sake of non-krb5 mechs */
232 OM_uint32 generic_gss_release_buffer
233 (OM_uint32*, /* minor_status */
234 gss_buffer_t /* buffer */
235 );
236
237 OM_uint32 generic_gss_release_oid_set
238 (OM_uint32*, /* minor_status */
239 gss_OID_set* /* set */
240 );
241
242 OM_uint32 generic_gss_release_oid
243 (OM_uint32*, /* minor_status */
244 gss_OID* /* set */
245 );
246
247 OM_uint32 generic_gss_copy_oid
248 (OM_uint32 *, /* minor_status */
249 gss_OID_desc * const, /* oid */ /* SUNW15resync */
250 gss_OID * /* new_oid */
251 );
252
253 OM_uint32 generic_gss_create_empty_oid_set
254 (OM_uint32 *, /* minor_status */
255 gss_OID_set * /* oid_set */
256 );
257
258 OM_uint32 generic_gss_add_oid_set_member
259 (OM_uint32 *, /* minor_status */
260 const gss_OID_desc * const, /* member_oid */
261 gss_OID_set * /* oid_set */
262 );
263
264 OM_uint32 generic_gss_test_oid_set_member
265 (OM_uint32 *, /* minor_status */
266 const gss_OID_desc * const, /* member */
267 gss_OID_set, /* set */
268 int * /* present */
269 );
270
271 OM_uint32 generic_gss_oid_to_str
272 (OM_uint32 *, /* minor_status */
273 const gss_OID_desc * const, /* oid */
274 gss_buffer_t /* oid_str */
275 );
276
277 OM_uint32 generic_gss_str_to_oid
278 (OM_uint32 *, /* minor_status */
279 gss_buffer_t, /* oid_str */
280 gss_OID * /* oid */
281 );
282
283 OM_uint32
284 generic_gss_oid_compose(
285 OM_uint32 *, /* minor_status */
286 const char *, /* prefix */
287 size_t, /* prefix_len */
288 int, /* suffix */
289 gss_OID_desc *); /* oid */
290
291 OM_uint32
292 generic_gss_oid_decompose(
293 OM_uint32 *, /* minor_status */
294 const char *, /*prefix */
295 size_t, /* prefix_len */
296 gss_OID_desc *, /* oid */
297 int *); /* suffix */
298
299 #endif /* 0 */
300
301 #ifndef _KERNEL
302 int gssint_mecherrmap_init(void);
303 void gssint_mecherrmap_destroy(void);
304 OM_uint32 gssint_mecherrmap_map(OM_uint32 minor, const gss_OID_desc *oid);
305 int gssint_mecherrmap_get(OM_uint32 minor, gss_OID mech_oid,
306 OM_uint32 *mech_minor);
307 OM_uint32 gssint_mecherrmap_map_errcode(OM_uint32 errcode);
308 #endif
309
310 #endif /* _GSSAPIP_GENERIC_H_ */