1 /* $NetBSD: gss_mo.c,v 1.1.1.2 2014/04/24 12:45:29 pettai Exp $ */
2
3 /*
4 * Copyright (c) 2010 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9 * Portions Copyright (c) 2010 PADL Software Pty Ltd. All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 *
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * 3. Neither the name of the Institute nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 */
38
39 #include "mech_locl.h"
40
41 #include <crypto-headers.h>
42
43 static int
get_option_def(int def,gss_const_OID mech,gss_mo_desc * mo,gss_buffer_t value)44 get_option_def(int def, gss_const_OID mech, gss_mo_desc *mo, gss_buffer_t value)
45 {
46 return def;
47 }
48
49 int
_gss_mo_get_option_1(gss_const_OID mech,gss_mo_desc * mo,gss_buffer_t value)50 _gss_mo_get_option_1(gss_const_OID mech, gss_mo_desc *mo, gss_buffer_t value)
51 {
52 return get_option_def(1, mech, mo, value);
53 }
54
55 int
_gss_mo_get_option_0(gss_const_OID mech,gss_mo_desc * mo,gss_buffer_t value)56 _gss_mo_get_option_0(gss_const_OID mech, gss_mo_desc *mo, gss_buffer_t value)
57 {
58 return get_option_def(0, mech, mo, value);
59 }
60
61 int
_gss_mo_get_ctx_as_string(gss_const_OID mech,gss_mo_desc * mo,gss_buffer_t value)62 _gss_mo_get_ctx_as_string(gss_const_OID mech, gss_mo_desc *mo, gss_buffer_t value)
63 {
64 if (value) {
65 value->value = strdup((char *)mo->ctx);
66 if (value->value == NULL)
67 return GSS_S_FAILURE;
68 value->length = strlen((char *)mo->ctx);
69 }
70 return GSS_S_COMPLETE;
71 }
72
73 GSSAPI_LIB_FUNCTION int GSSAPI_LIB_CALL
gss_mo_set(gss_const_OID mech,gss_const_OID option,int enable,gss_buffer_t value)74 gss_mo_set(gss_const_OID mech, gss_const_OID option,
75 int enable, gss_buffer_t value)
76 {
77 gssapi_mech_interface m;
78 size_t n;
79
80 if ((m = __gss_get_mechanism(mech)) == NULL)
81 return GSS_S_BAD_MECH;
82
83 for (n = 0; n < m->gm_mo_num; n++)
84 if (gss_oid_equal(option, m->gm_mo[n].option) && m->gm_mo[n].set)
85 return m->gm_mo[n].set(mech, &m->gm_mo[n], enable, value);
86
87 return GSS_S_UNAVAILABLE;
88 }
89
90 GSSAPI_LIB_FUNCTION int GSSAPI_LIB_CALL
gss_mo_get(gss_const_OID mech,gss_const_OID option,gss_buffer_t value)91 gss_mo_get(gss_const_OID mech, gss_const_OID option, gss_buffer_t value)
92 {
93 gssapi_mech_interface m;
94 size_t n;
95
96 _mg_buffer_zero(value);
97
98 if ((m = __gss_get_mechanism(mech)) == NULL)
99 return GSS_S_BAD_MECH;
100
101 for (n = 0; n < m->gm_mo_num; n++)
102 if (gss_oid_equal(option, m->gm_mo[n].option) && m->gm_mo[n].get)
103 return m->gm_mo[n].get(mech, &m->gm_mo[n], value);
104
105 return GSS_S_UNAVAILABLE;
106 }
107
108 static void
add_all_mo(gssapi_mech_interface m,gss_OID_set * options,OM_uint32 mask)109 add_all_mo(gssapi_mech_interface m, gss_OID_set *options, OM_uint32 mask)
110 {
111 OM_uint32 minor;
112 size_t n;
113
114 for (n = 0; n < m->gm_mo_num; n++)
115 if ((m->gm_mo[n].flags & mask) == mask)
116 gss_add_oid_set_member(&minor, m->gm_mo[n].option, options);
117 }
118
119 GSSAPI_LIB_FUNCTION void GSSAPI_LIB_CALL
gss_mo_list(gss_const_OID mech,gss_OID_set * options)120 gss_mo_list(gss_const_OID mech, gss_OID_set *options)
121 {
122 gssapi_mech_interface m;
123 OM_uint32 major, minor;
124
125 if (options == NULL)
126 return;
127
128 *options = GSS_C_NO_OID_SET;
129
130 if ((m = __gss_get_mechanism(mech)) == NULL)
131 return;
132
133 major = gss_create_empty_oid_set(&minor, options);
134 if (major != GSS_S_COMPLETE)
135 return;
136
137 add_all_mo(m, options, 0);
138 }
139
140 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_mo_name(gss_const_OID mech,gss_const_OID option,gss_buffer_t name)141 gss_mo_name(gss_const_OID mech, gss_const_OID option, gss_buffer_t name)
142 {
143 gssapi_mech_interface m;
144 size_t n;
145
146 if (name == NULL)
147 return GSS_S_BAD_NAME;
148
149 if ((m = __gss_get_mechanism(mech)) == NULL)
150 return GSS_S_BAD_MECH;
151
152 for (n = 0; n < m->gm_mo_num; n++) {
153 if (gss_oid_equal(option, m->gm_mo[n].option)) {
154 /*
155 * If there is no name, its because its a GSS_C_MA and
156 * there is already a table for that.
157 */
158 if (m->gm_mo[n].name) {
159 name->value = strdup(m->gm_mo[n].name);
160 if (name->value == NULL)
161 return GSS_S_BAD_NAME;
162 name->length = strlen(m->gm_mo[n].name);
163 return GSS_S_COMPLETE;
164 } else {
165 OM_uint32 junk;
166 return gss_display_mech_attr(&junk, option,
167 NULL, name, NULL);
168 }
169 }
170 }
171 return GSS_S_BAD_NAME;
172 }
173
174 /*
175 * Helper function to allow NULL name
176 */
177
178 static OM_uint32
mo_value(const gss_const_OID mech,gss_const_OID option,gss_buffer_t name)179 mo_value(const gss_const_OID mech, gss_const_OID option, gss_buffer_t name)
180 {
181 if (name == NULL)
182 return GSS_S_COMPLETE;
183
184 return gss_mo_get(mech, option, name);
185 }
186
187 /* code derived from draft-ietf-cat-sasl-gssapi-01 */
188 static char basis_32[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
189
190 static OM_uint32
make_sasl_name(OM_uint32 * minor,const gss_OID mech,char sasl_name[16])191 make_sasl_name(OM_uint32 *minor, const gss_OID mech, char sasl_name[16])
192 {
193 EVP_MD_CTX *ctx;
194 char *p = sasl_name;
195 u_char hdr[2], hash[20], *h = hash;
196
197 if (mech->length > 127)
198 return GSS_S_BAD_MECH;
199
200 hdr[0] = 0x06;
201 hdr[1] = mech->length;
202
203 ctx = EVP_MD_CTX_create();
204 EVP_DigestInit_ex(ctx, EVP_sha1(), NULL);
205 EVP_DigestUpdate(ctx, hdr, 2);
206 EVP_DigestUpdate(ctx, mech->elements, mech->length);
207 EVP_DigestFinal_ex(ctx, hash, NULL);
208
209 memcpy(p, "GS2-", 4);
210 p += 4;
211
212 *p++ = basis_32[(h[0] >> 3)];
213 *p++ = basis_32[((h[0] & 7) << 2) | (h[1] >> 6)];
214 *p++ = basis_32[(h[1] & 0x3f) >> 1];
215 *p++ = basis_32[((h[1] & 1) << 4) | (h[2] >> 4)];
216 *p++ = basis_32[((h[2] & 0xf) << 1) | (h[3] >> 7)];
217 *p++ = basis_32[(h[3] & 0x7f) >> 2];
218 *p++ = basis_32[((h[3] & 3) << 3) | (h[4] >> 5)];
219 *p++ = basis_32[(h[4] & 0x1f)];
220 *p++ = basis_32[(h[5] >> 3)];
221 *p++ = basis_32[((h[5] & 7) << 2) | (h[6] >> 6)];
222 *p++ = basis_32[(h[6] & 0x3f) >> 1];
223
224 *p = '\0';
225
226 return GSS_S_COMPLETE;
227 }
228
229 /*
230 * gss_inquire_saslname_for_mech() wrapper that uses MIT SPI
231 */
232 static OM_uint32
inquire_saslname_for_mech_compat(OM_uint32 * minor,const gss_OID desired_mech,gss_buffer_t sasl_mech_name,gss_buffer_t mech_name,gss_buffer_t mech_description)233 inquire_saslname_for_mech_compat(OM_uint32 *minor,
234 const gss_OID desired_mech,
235 gss_buffer_t sasl_mech_name,
236 gss_buffer_t mech_name,
237 gss_buffer_t mech_description)
238 {
239 struct gss_mech_compat_desc_struct *gmc;
240 gssapi_mech_interface m;
241 OM_uint32 major;
242
243 m = __gss_get_mechanism(desired_mech);
244 if (m == NULL)
245 return GSS_S_BAD_MECH;
246
247 gmc = m->gm_compat;
248
249 if (gmc != NULL && gmc->gmc_inquire_saslname_for_mech != NULL) {
250 major = gmc->gmc_inquire_saslname_for_mech(minor,
251 desired_mech,
252 sasl_mech_name,
253 mech_name,
254 mech_description);
255 } else {
256 major = GSS_S_UNAVAILABLE;
257 }
258
259 return major;
260 }
261
262 /**
263 * Returns different protocol names and description of the mechanism.
264 *
265 * @param minor_status minor status code
266 * @param desired_mech mech list query
267 * @param sasl_mech_name SASL GS2 protocol name
268 * @param mech_name gssapi protocol name
269 * @param mech_description description of gssapi mech
270 *
271 * @return returns GSS_S_COMPLETE or a error code.
272 *
273 * @ingroup gssapi
274 */
275
276 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_inquire_saslname_for_mech(OM_uint32 * minor_status,const gss_OID desired_mech,gss_buffer_t sasl_mech_name,gss_buffer_t mech_name,gss_buffer_t mech_description)277 gss_inquire_saslname_for_mech(OM_uint32 *minor_status,
278 const gss_OID desired_mech,
279 gss_buffer_t sasl_mech_name,
280 gss_buffer_t mech_name,
281 gss_buffer_t mech_description)
282 {
283 OM_uint32 major;
284
285 _mg_buffer_zero(sasl_mech_name);
286 _mg_buffer_zero(mech_name);
287 _mg_buffer_zero(mech_description);
288
289 if (minor_status)
290 *minor_status = 0;
291
292 if (desired_mech == NULL)
293 return GSS_S_BAD_MECH;
294
295 major = mo_value(desired_mech, GSS_C_MA_SASL_MECH_NAME, sasl_mech_name);
296 if (major == GSS_S_COMPLETE) {
297 /* Native SPI */
298 major = mo_value(desired_mech, GSS_C_MA_MECH_NAME, mech_name);
299 if (GSS_ERROR(major))
300 return major;
301
302 major = mo_value(desired_mech, GSS_C_MA_MECH_DESCRIPTION, mech_description);
303 if (GSS_ERROR(major))
304 return major;
305 }
306
307 if (GSS_ERROR(major)) {
308 /* API-as-SPI compatibility */
309 major = inquire_saslname_for_mech_compat(minor_status,
310 desired_mech,
311 sasl_mech_name,
312 mech_name,
313 mech_description);
314 }
315
316 if (GSS_ERROR(major)) {
317 /* Algorithmically dervied SASL mechanism name */
318 char buf[16];
319 gss_buffer_desc tmp = { sizeof(buf) - 1, buf };
320
321 major = make_sasl_name(minor_status, desired_mech, buf);
322 if (GSS_ERROR(major))
323 return major;
324
325 major = _gss_copy_buffer(minor_status, &tmp, sasl_mech_name);
326 if (GSS_ERROR(major))
327 return major;
328 }
329
330 return major;
331 }
332
333 /**
334 * Find a mech for a sasl name
335 *
336 * @param minor_status minor status code
337 * @param sasl_mech_name
338 * @param mech_type
339 *
340 * @return returns GSS_S_COMPLETE or an error code.
341 */
342
343 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_inquire_mech_for_saslname(OM_uint32 * minor_status,const gss_buffer_t sasl_mech_name,gss_OID * mech_type)344 gss_inquire_mech_for_saslname(OM_uint32 *minor_status,
345 const gss_buffer_t sasl_mech_name,
346 gss_OID *mech_type)
347 {
348 struct _gss_mech_switch *m;
349 gss_buffer_desc name;
350 OM_uint32 major, junk;
351 char buf[16];
352
353 _gss_load_mech();
354
355 *mech_type = NULL;
356
357 HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
358 struct gss_mech_compat_desc_struct *gmc;
359
360 /* Native SPI */
361 major = mo_value(&m->gm_mech_oid, GSS_C_MA_SASL_MECH_NAME, &name);
362 if (major == GSS_S_COMPLETE &&
363 name.length == sasl_mech_name->length &&
364 memcmp(name.value, sasl_mech_name->value, name.length) == 0) {
365 gss_release_buffer(&junk, &name);
366 *mech_type = &m->gm_mech_oid;
367 return GSS_S_COMPLETE;
368 }
369 gss_release_buffer(&junk, &name);
370
371 if (GSS_ERROR(major)) {
372 /* API-as-SPI compatibility */
373 gmc = m->gm_mech.gm_compat;
374 if (gmc && gmc->gmc_inquire_mech_for_saslname) {
375 major = gmc->gmc_inquire_mech_for_saslname(minor_status,
376 sasl_mech_name,
377 mech_type);
378 if (major == GSS_S_COMPLETE)
379 return GSS_S_COMPLETE;
380 }
381 }
382
383 if (GSS_ERROR(major)) {
384 /* Algorithmically dervied SASL mechanism name */
385 if (sasl_mech_name->length == 16 &&
386 make_sasl_name(minor_status, &m->gm_mech_oid, buf) == GSS_S_COMPLETE &&
387 memcmp(buf, sasl_mech_name->value, 16) == 0) {
388 *mech_type = &m->gm_mech_oid;
389 return GSS_S_COMPLETE;
390 }
391 }
392 }
393
394 return GSS_S_BAD_MECH;
395 }
396
397 /*
398 * Test mechanism against indicated attributes using both Heimdal and
399 * MIT SPIs.
400 */
401 static int
test_mech_attrs(gssapi_mech_interface mi,gss_const_OID_set mech_attrs,gss_const_OID_set against_attrs,int except)402 test_mech_attrs(gssapi_mech_interface mi,
403 gss_const_OID_set mech_attrs,
404 gss_const_OID_set against_attrs,
405 int except)
406 {
407 size_t n, m;
408 int eq = 0;
409
410 if (against_attrs == GSS_C_NO_OID_SET)
411 return 1;
412
413 for (n = 0; n < against_attrs->count; n++) {
414 for (m = 0; m < mi->gm_mo_num; m++) {
415 eq = gss_oid_equal(mi->gm_mo[m].option,
416 &against_attrs->elements[n]);
417 if (eq)
418 break;
419 }
420 if (mech_attrs != GSS_C_NO_OID_SET) {
421 for (m = 0; m < mech_attrs->count; m++) {
422 eq = gss_oid_equal(&mech_attrs->elements[m],
423 &against_attrs->elements[n]);
424 if (eq)
425 break;
426 }
427 }
428 if (!eq ^ except)
429 return 0;
430 }
431
432 return 1;
433 }
434
435 /**
436 * Return set of mechanism that fullfill the criteria
437 *
438 * @param minor_status minor status code
439 * @param desired_mech_attrs
440 * @param except_mech_attrs
441 * @param critical_mech_attrs
442 * @param mechs returned mechs, free with gss_release_oid_set().
443 *
444 * @return returns GSS_S_COMPLETE or an error code.
445 */
446
447 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_indicate_mechs_by_attrs(OM_uint32 * minor_status,gss_const_OID_set desired_mech_attrs,gss_const_OID_set except_mech_attrs,gss_const_OID_set critical_mech_attrs,gss_OID_set * mechs)448 gss_indicate_mechs_by_attrs(OM_uint32 * minor_status,
449 gss_const_OID_set desired_mech_attrs,
450 gss_const_OID_set except_mech_attrs,
451 gss_const_OID_set critical_mech_attrs,
452 gss_OID_set *mechs)
453 {
454 struct _gss_mech_switch *ms;
455 gss_OID_set mech_attrs = GSS_C_NO_OID_SET;
456 gss_OID_set known_mech_attrs = GSS_C_NO_OID_SET;
457 OM_uint32 major;
458
459 major = gss_create_empty_oid_set(minor_status, mechs);
460 if (GSS_ERROR(major))
461 return major;
462
463 _gss_load_mech();
464
465 HEIM_SLIST_FOREACH(ms, &_gss_mechs, gm_link) {
466 gssapi_mech_interface mi = &ms->gm_mech;
467 struct gss_mech_compat_desc_struct *gmc = mi->gm_compat;
468 OM_uint32 tmp;
469
470 if (gmc && gmc->gmc_inquire_attrs_for_mech) {
471 major = gmc->gmc_inquire_attrs_for_mech(minor_status,
472 &mi->gm_mech_oid,
473 &mech_attrs,
474 &known_mech_attrs);
475 if (GSS_ERROR(major))
476 continue;
477 }
478
479 /*
480 * Test mechanism supports all of desired_mech_attrs;
481 * none of except_mech_attrs;
482 * and knows of all critical_mech_attrs.
483 */
484 if (test_mech_attrs(mi, mech_attrs, desired_mech_attrs, 0) &&
485 test_mech_attrs(mi, mech_attrs, except_mech_attrs, 1) &&
486 test_mech_attrs(mi, known_mech_attrs, critical_mech_attrs, 0)) {
487 major = gss_add_oid_set_member(minor_status, &mi->gm_mech_oid, mechs);
488 }
489
490 gss_release_oid_set(&tmp, &mech_attrs);
491 gss_release_oid_set(&tmp, &known_mech_attrs);
492
493 if (GSS_ERROR(major))
494 break;
495 }
496
497 return major;
498 }
499
500 /**
501 * List support attributes for a mech and/or all mechanisms.
502 *
503 * @param minor_status minor status code
504 * @param mech given together with mech_attr will return the list of
505 * attributes for mechanism, can optionally be GSS_C_NO_OID.
506 * @param mech_attr see mech parameter, can optionally be NULL,
507 * release with gss_release_oid_set().
508 * @param known_mech_attrs all attributes for mechanisms supported,
509 * release with gss_release_oid_set().
510 *
511 * @ingroup gssapi
512 */
513
514 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_inquire_attrs_for_mech(OM_uint32 * minor_status,gss_const_OID mech,gss_OID_set * mech_attr,gss_OID_set * known_mech_attrs)515 gss_inquire_attrs_for_mech(OM_uint32 * minor_status,
516 gss_const_OID mech,
517 gss_OID_set *mech_attr,
518 gss_OID_set *known_mech_attrs)
519 {
520 OM_uint32 major, junk;
521
522 if (known_mech_attrs)
523 *known_mech_attrs = GSS_C_NO_OID_SET;
524
525 if (mech_attr && mech) {
526 gssapi_mech_interface m;
527 struct gss_mech_compat_desc_struct *gmc;
528
529 if ((m = __gss_get_mechanism(mech)) == NULL) {
530 *minor_status = 0;
531 return GSS_S_BAD_MECH;
532 }
533
534 gmc = m->gm_compat;
535
536 if (gmc && gmc->gmc_inquire_attrs_for_mech) {
537 major = gmc->gmc_inquire_attrs_for_mech(minor_status,
538 mech,
539 mech_attr,
540 known_mech_attrs);
541 } else {
542 major = gss_create_empty_oid_set(minor_status, mech_attr);
543 if (major == GSS_S_COMPLETE)
544 add_all_mo(m, mech_attr, GSS_MO_MA);
545 }
546 if (GSS_ERROR(major))
547 return major;
548 }
549
550 if (known_mech_attrs) {
551 struct _gss_mech_switch *m;
552
553 if (*known_mech_attrs == GSS_C_NO_OID_SET) {
554 major = gss_create_empty_oid_set(minor_status, known_mech_attrs);
555 if (GSS_ERROR(major)) {
556 if (mech_attr)
557 gss_release_oid_set(&junk, mech_attr);
558 return major;
559 }
560 }
561
562 _gss_load_mech();
563
564 HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link)
565 add_all_mo(&m->gm_mech, known_mech_attrs, GSS_MO_MA);
566 }
567
568
569 return GSS_S_COMPLETE;
570 }
571
572 /**
573 * Return names and descriptions of mech attributes
574 *
575 * @param minor_status minor status code
576 * @param mech_attr
577 * @param name
578 * @param short_desc
579 * @param long_desc
580 *
581 * @return returns GSS_S_COMPLETE or an error code.
582 */
583
584 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_display_mech_attr(OM_uint32 * minor_status,gss_const_OID mech_attr,gss_buffer_t name,gss_buffer_t short_desc,gss_buffer_t long_desc)585 gss_display_mech_attr(OM_uint32 * minor_status,
586 gss_const_OID mech_attr,
587 gss_buffer_t name,
588 gss_buffer_t short_desc,
589 gss_buffer_t long_desc)
590 {
591 struct _gss_oid_name_table *ma = NULL;
592 OM_uint32 major;
593 size_t n;
594
595 _mg_buffer_zero(name);
596 _mg_buffer_zero(short_desc);
597 _mg_buffer_zero(long_desc);
598
599 if (minor_status)
600 *minor_status = 0;
601
602 for (n = 0; ma == NULL && _gss_ont_ma[n].oid; n++)
603 if (gss_oid_equal(mech_attr, _gss_ont_ma[n].oid))
604 ma = &_gss_ont_ma[n];
605
606 if (ma == NULL)
607 return GSS_S_BAD_MECH_ATTR;
608
609 if (name) {
610 gss_buffer_desc bd;
611 bd.value = rk_UNCONST(ma->name);
612 bd.length = strlen(ma->name);
613 major = _gss_copy_buffer(minor_status, &bd, name);
614 if (major != GSS_S_COMPLETE)
615 return major;
616 }
617
618 if (short_desc) {
619 gss_buffer_desc bd;
620 bd.value = rk_UNCONST(ma->short_desc);
621 bd.length = strlen(ma->short_desc);
622 major = _gss_copy_buffer(minor_status, &bd, short_desc);
623 if (major != GSS_S_COMPLETE)
624 return major;
625 }
626
627 if (long_desc) {
628 gss_buffer_desc bd;
629 bd.value = rk_UNCONST(ma->long_desc);
630 bd.length = strlen(ma->long_desc);
631 major = _gss_copy_buffer(minor_status, &bd, long_desc);
632 if (major != GSS_S_COMPLETE)
633 return major;
634 }
635
636 return GSS_S_COMPLETE;
637 }
638