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v3_sxnet.c

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1/* $OpenBSD: v3_sxnet.c,v 1.21 2018/05/13 15:03:01 tb Exp $ */-
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL-
3 * project 1999.-
4 */-
5/* ====================================================================-
6 * Copyright (c) 1999 The OpenSSL Project. 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-
17 * the documentation and/or other materials provided with the-
18 * distribution.-
19 *-
20 * 3. All advertising materials mentioning features or use of this-
21 * software must display the following acknowledgment:-
22 * "This product includes software developed by the OpenSSL Project-
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"-
24 *-
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to-
26 * endorse or promote products derived from this software without-
27 * prior written permission. For written permission, please contact-
28 * licensing@OpenSSL.org.-
29 *-
30 * 5. Products derived from this software may not be called "OpenSSL"-
31 * nor may "OpenSSL" appear in their names without prior written-
32 * permission of the OpenSSL Project.-
33 *-
34 * 6. Redistributions of any form whatsoever must retain the following-
35 * acknowledgment:-
36 * "This product includes software developed by the OpenSSL Project-
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"-
38 *-
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY-
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE-
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR-
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR-
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,-
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT-
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;-
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)-
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,-
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)-
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED-
50 * OF THE POSSIBILITY OF SUCH DAMAGE.-
51 * ====================================================================-
52 *-
53 * This product includes cryptographic software written by Eric Young-
54 * (eay@cryptsoft.com). This product includes software written by Tim-
55 * Hudson (tjh@cryptsoft.com).-
56 *-
57 */-
58-
59#include <stdio.h>-
60#include <string.h>-
61-
62#include <openssl/asn1.h>-
63#include <openssl/asn1t.h>-
64#include <openssl/conf.h>-
65#include <openssl/err.h>-
66#include <openssl/x509v3.h>-
67-
68/* Support for Thawte strong extranet extension */-
69-
70#define SXNET_TEST-
71-
72static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,-
73 int indent);-
74#ifdef SXNET_TEST-
75static SXNET * sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,-
76 STACK_OF(CONF_VALUE) *nval);-
77#endif-
78-
79const X509V3_EXT_METHOD v3_sxnet = {-
80 .ext_nid = NID_sxnet,-
81 .ext_flags = X509V3_EXT_MULTILINE,-
82 .it = &SXNET_it,-
83 .ext_new = NULL,-
84 .ext_free = NULL,-
85 .d2i = NULL,-
86 .i2d = NULL,-
87 .i2s = NULL,-
88 .s2i = NULL,-
89 .i2v = NULL,-
90#ifdef SXNET_TEST-
91 .v2i = (X509V3_EXT_V2I)sxnet_v2i,-
92#else-
93 .v2i = NULL,-
94#endif-
95 .i2r = (X509V3_EXT_I2R)sxnet_i2r,-
96 .r2i = NULL,-
97 .usr_data = NULL,-
98};-
99-
100static const ASN1_TEMPLATE SXNETID_seq_tt[] = {-
101 {-
102 .flags = 0,-
103 .tag = 0,-
104 .offset = offsetof(SXNETID, zone),-
105 .field_name = "zone",-
106 .item = &ASN1_INTEGER_it,-
107 },-
108 {-
109 .flags = 0,-
110 .tag = 0,-
111 .offset = offsetof(SXNETID, user),-
112 .field_name = "user",-
113 .item = &ASN1_OCTET_STRING_it,-
114 },-
115};-
116-
117const ASN1_ITEM SXNETID_it = {-
118 .itype = ASN1_ITYPE_SEQUENCE,-
119 .utype = V_ASN1_SEQUENCE,-
120 .templates = SXNETID_seq_tt,-
121 .tcount = sizeof(SXNETID_seq_tt) / sizeof(ASN1_TEMPLATE),-
122 .funcs = NULL,-
123 .size = sizeof(SXNETID),-
124 .sname = "SXNETID",-
125};-
126-
127-
128SXNETID *-
129d2i_SXNETID(SXNETID **a, const unsigned char **in, long len)-
130{-
131 return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
never executed: return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &SXNETID_it);
0
132 &SXNETID_it);
never executed: return (SXNETID *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &SXNETID_it);
0
133}-
134-
135int-
136i2d_SXNETID(SXNETID *a, unsigned char **out)-
137{-
138 return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
never executed: return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNETID_it);
0
139}-
140-
141SXNETID *-
142SXNETID_new(void)-
143{-
144 return (SXNETID *)ASN1_item_new(&SXNETID_it);
never executed: return (SXNETID *)ASN1_item_new(&SXNETID_it);
0
145}-
146-
147void-
148SXNETID_free(SXNETID *a)-
149{-
150 ASN1_item_free((ASN1_VALUE *)a, &SXNETID_it);-
151}
executed 1 time by 1 test: end of block
Executed by:
  • freenull
1
152-
153static const ASN1_TEMPLATE SXNET_seq_tt[] = {-
154 {-
155 .flags = 0,-
156 .tag = 0,-
157 .offset = offsetof(SXNET, version),-
158 .field_name = "version",-
159 .item = &ASN1_INTEGER_it,-
160 },-
161 {-
162 .flags = ASN1_TFLG_SEQUENCE_OF,-
163 .tag = 0,-
164 .offset = offsetof(SXNET, ids),-
165 .field_name = "ids",-
166 .item = &SXNETID_it,-
167 },-
168};-
169-
170const ASN1_ITEM SXNET_it = {-
171 .itype = ASN1_ITYPE_SEQUENCE,-
172 .utype = V_ASN1_SEQUENCE,-
173 .templates = SXNET_seq_tt,-
174 .tcount = sizeof(SXNET_seq_tt) / sizeof(ASN1_TEMPLATE),-
175 .funcs = NULL,-
176 .size = sizeof(SXNET),-
177 .sname = "SXNET",-
178};-
179-
180-
181SXNET *-
182d2i_SXNET(SXNET **a, const unsigned char **in, long len)-
183{-
184 return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
never executed: return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &SXNET_it);
0
185 &SXNET_it);
never executed: return (SXNET *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &SXNET_it);
0
186}-
187-
188int-
189i2d_SXNET(SXNET *a, unsigned char **out)-
190{-
191 return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
never executed: return ASN1_item_i2d((ASN1_VALUE *)a, out, &SXNET_it);
0
192}-
193-
194SXNET *-
195SXNET_new(void)-
196{-
197 return (SXNET *)ASN1_item_new(&SXNET_it);
never executed: return (SXNET *)ASN1_item_new(&SXNET_it);
0
198}-
199-
200void-
201SXNET_free(SXNET *a)-
202{-
203 ASN1_item_free((ASN1_VALUE *)a, &SXNET_it);-
204}
executed 1 time by 1 test: end of block
Executed by:
  • freenull
1
205-
206static int-
207sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out, int indent)-
208{-
209 long v;-
210 char *tmp;-
211 SXNETID *id;-
212 int i;-
213-
214 v = ASN1_INTEGER_get(sx->version);-
215 BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);-
216 for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
i < sk_num(((_..._SXNETID*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
217 id = sk_SXNETID_value(sx->ids, i);-
218 tmp = i2s_ASN1_INTEGER(NULL, id->zone);-
219 BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);-
220 free(tmp);-
221 ASN1_STRING_print(out, id->user);-
222 }
never executed: end of block
0
223 return 1;
never executed: return 1;
0
224}-
225-
226#ifdef SXNET_TEST-
227-
228/* NBB: this is used for testing only. It should *not* be used for anything-
229 * else because it will just take static IDs from the configuration file and-
230 * they should really be separate values for each user.-
231 */-
232-
233static SXNET *-
234sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,-
235 STACK_OF(CONF_VALUE) *nval)-
236{-
237 CONF_VALUE *cnf;-
238 SXNET *sx = NULL;-
239 int i;-
240-
241 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
i < sk_num(((_...NF_VALUE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
242 cnf = sk_CONF_VALUE_value(nval, i);-
243 if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
!SXNET_add_id_...nf->value, -1)Description
TRUEnever evaluated
FALSEnever evaluated
0
244 return NULL;
never executed: return ((void *)0) ;
0
245 }
never executed: end of block
0
246 return sx;
never executed: return sx;
0
247}-
248-
249#endif-
250-
251/* Strong Extranet utility functions */-
252-
253/* Add an id given the zone as an ASCII number */-
254-
255int-
256SXNET_add_id_asc(SXNET **psx, const char *zone, const char *user, int userlen)-
257{-
258 ASN1_INTEGER *izone = NULL;-
259-
260 if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
!(izone = s2i_... *)0) , zone))Description
TRUEnever evaluated
FALSEnever evaluated
0
261 X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);-
262 return 0;
never executed: return 0;
0
263 }-
264 return SXNET_add_id_INTEGER(psx, izone, user, userlen);
never executed: return SXNET_add_id_INTEGER(psx, izone, user, userlen);
0
265}-
266-
267/* Add an id given the zone as an unsigned long */-
268-
269int-
270SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, const char *user,-
271 int userlen)-
272{-
273 ASN1_INTEGER *izone = NULL;-
274-
275 if (!(izone = ASN1_INTEGER_new()) ||
!(izone = ASN1_INTEGER_new())Description
TRUEnever evaluated
FALSEnever evaluated
0
276 !ASN1_INTEGER_set(izone, lzone)) {
!ASN1_INTEGER_...(izone, lzone)Description
TRUEnever evaluated
FALSEnever evaluated
0
277 X509V3error(ERR_R_MALLOC_FAILURE);-
278 ASN1_INTEGER_free(izone);-
279 return 0;
never executed: return 0;
0
280 }-
281 return SXNET_add_id_INTEGER(psx, izone, user, userlen);
never executed: return SXNET_add_id_INTEGER(psx, izone, user, userlen);
0
282}-
283-
284/* Add an id given the zone as an ASN1_INTEGER.-
285 * Note this version uses the passed integer and doesn't make a copy so don't-
286 * free it up afterwards.-
287 */-
288-
289int-
290SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const char *user,-
291 int userlen)-
292{-
293 SXNET *sx = NULL;-
294 SXNETID *id = NULL;-
295-
296 if (!psx || !zone || !user) {
!psxDescription
TRUEnever evaluated
FALSEnever evaluated
!zoneDescription
TRUEnever evaluated
FALSEnever evaluated
!userDescription
TRUEnever evaluated
FALSEnever evaluated
0
297 X509V3error(X509V3_R_INVALID_NULL_ARGUMENT);-
298 return 0;
never executed: return 0;
0
299 }-
300 if (userlen == -1)
userlen == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
301 userlen = strlen(user);
never executed: userlen = strlen(user);
0
302 if (userlen > 64) {
userlen > 64Description
TRUEnever evaluated
FALSEnever evaluated
0
303 X509V3error(X509V3_R_USER_TOO_LONG);-
304 return 0;
never executed: return 0;
0
305 }-
306 if (!*psx) {
!*psxDescription
TRUEnever evaluated
FALSEnever evaluated
0
307 if (!(sx = SXNET_new()))
!(sx = SXNET_new())Description
TRUEnever evaluated
FALSEnever evaluated
0
308 goto err;
never executed: goto err;
0
309 if (!ASN1_INTEGER_set(sx->version, 0))
!ASN1_INTEGER_...x->version, 0)Description
TRUEnever evaluated
FALSEnever evaluated
0
310 goto err;
never executed: goto err;
0
311 *psx = sx;-
312 } else
never executed: end of block
0
313 sx = *psx;
never executed: sx = *psx;
0
314 if (SXNET_get_id_INTEGER(sx, zone)) {
SXNET_get_id_INTEGER(sx, zone)Description
TRUEnever evaluated
FALSEnever evaluated
0
315 X509V3error(X509V3_R_DUPLICATE_ZONE_ID);-
316 return 0;
never executed: return 0;
0
317 }-
318-
319 if (!(id = SXNETID_new()))
!(id = SXNETID_new())Description
TRUEnever evaluated
FALSEnever evaluated
0
320 goto err;
never executed: goto err;
0
321 if (userlen == -1)
userlen == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
322 userlen = strlen(user);
never executed: userlen = strlen(user);
0
323-
324 if (!ASN1_STRING_set(id->user, user, userlen))
!ASN1_STRING_s...user, userlen)Description
TRUEnever evaluated
FALSEnever evaluated
0
325 goto err;
never executed: goto err;
0
326 if (!sk_SXNETID_push(sx->ids, id))
!sk_push(((_ST...(SXNETID*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
327 goto err;
never executed: goto err;
0
328 id->zone = zone;-
329 return 1;
never executed: return 1;
0
330-
331err:-
332 X509V3error(ERR_R_MALLOC_FAILURE);-
333 SXNETID_free(id);-
334 SXNET_free(sx);-
335 *psx = NULL;-
336 return 0;
never executed: return 0;
0
337}-
338-
339ASN1_OCTET_STRING *-
340SXNET_get_id_asc(SXNET *sx, const char *zone)-
341{-
342 ASN1_INTEGER *izone = NULL;-
343 ASN1_OCTET_STRING *oct;-
344-
345 if (!(izone = s2i_ASN1_INTEGER(NULL, zone))) {
!(izone = s2i_... *)0) , zone))Description
TRUEnever evaluated
FALSEnever evaluated
0
346 X509V3error(X509V3_R_ERROR_CONVERTING_ZONE);-
347 return NULL;
never executed: return ((void *)0) ;
0
348 }-
349 oct = SXNET_get_id_INTEGER(sx, izone);-
350 ASN1_INTEGER_free(izone);-
351 return oct;
never executed: return oct;
0
352}-
353-
354ASN1_OCTET_STRING *-
355SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)-
356{-
357 ASN1_INTEGER *izone = NULL;-
358 ASN1_OCTET_STRING *oct;-
359-
360 if (!(izone = ASN1_INTEGER_new()) ||
!(izone = ASN1_INTEGER_new())Description
TRUEnever evaluated
FALSEnever evaluated
0
361 !ASN1_INTEGER_set(izone, lzone)) {
!ASN1_INTEGER_...(izone, lzone)Description
TRUEnever evaluated
FALSEnever evaluated
0
362 X509V3error(ERR_R_MALLOC_FAILURE);-
363 ASN1_INTEGER_free(izone);-
364 return NULL;
never executed: return ((void *)0) ;
0
365 }-
366 oct = SXNET_get_id_INTEGER(sx, izone);-
367 ASN1_INTEGER_free(izone);-
368 return oct;
never executed: return oct;
0
369}-
370-
371ASN1_OCTET_STRING *-
372SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)-
373{-
374 SXNETID *id;-
375 int i;-
376-
377 for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
i < sk_num(((_..._SXNETID*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
378 id = sk_SXNETID_value(sx->ids, i);-
379 if (!ASN1_STRING_cmp(id->zone, zone))
!ASN1_STRING_c...d->zone, zone)Description
TRUEnever evaluated
FALSEnever evaluated
0
380 return id->user;
never executed: return id->user;
0
381 }
never executed: end of block
0
382 return NULL;
never executed: return ((void *)0) ;
0
383}-
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