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v3_ncons.c

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1/* $OpenBSD: v3_ncons.c,v 1.13 2017/07/20 19:45:08 tedu Exp $ */-
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL-
3 * project.-
4 */-
5/* ====================================================================-
6 * Copyright (c) 2003 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/asn1t.h>-
63#include <openssl/conf.h>-
64#include <openssl/err.h>-
65#include <openssl/x509v3.h>-
66-
67static void *v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,-
68 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);-
69static int i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method,-
70 void *a, BIO *bp, int ind);-
71static int do_i2r_name_constraints(const X509V3_EXT_METHOD *method,-
72 STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp, int ind, char *name);-
73static int print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip);-
74-
75static int nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc);-
76static int nc_match_single(GENERAL_NAME *sub, GENERAL_NAME *gen);-
77static int nc_dn(X509_NAME *sub, X509_NAME *nm);-
78static int nc_dns(ASN1_IA5STRING *sub, ASN1_IA5STRING *dns);-
79static int nc_email(ASN1_IA5STRING *sub, ASN1_IA5STRING *eml);-
80static int nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base);-
81-
82const X509V3_EXT_METHOD v3_name_constraints = {-
83 .ext_nid = NID_name_constraints,-
84 .ext_flags = 0,-
85 .it = &NAME_CONSTRAINTS_it,-
86 .ext_new = NULL,-
87 .ext_free = NULL,-
88 .d2i = NULL,-
89 .i2d = NULL,-
90 .i2s = NULL,-
91 .s2i = NULL,-
92 .i2v = NULL,-
93 .v2i = v2i_NAME_CONSTRAINTS,-
94 .i2r = i2r_NAME_CONSTRAINTS,-
95 .r2i = NULL,-
96 .usr_data = NULL,-
97};-
98-
99static const ASN1_TEMPLATE GENERAL_SUBTREE_seq_tt[] = {-
100 {-
101 .flags = 0,-
102 .tag = 0,-
103 .offset = offsetof(GENERAL_SUBTREE, base),-
104 .field_name = "base",-
105 .item = &GENERAL_NAME_it,-
106 },-
107 {-
108 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,-
109 .tag = 0,-
110 .offset = offsetof(GENERAL_SUBTREE, minimum),-
111 .field_name = "minimum",-
112 .item = &ASN1_INTEGER_it,-
113 },-
114 {-
115 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_OPTIONAL,-
116 .tag = 1,-
117 .offset = offsetof(GENERAL_SUBTREE, maximum),-
118 .field_name = "maximum",-
119 .item = &ASN1_INTEGER_it,-
120 },-
121};-
122-
123const ASN1_ITEM GENERAL_SUBTREE_it = {-
124 .itype = ASN1_ITYPE_SEQUENCE,-
125 .utype = V_ASN1_SEQUENCE,-
126 .templates = GENERAL_SUBTREE_seq_tt,-
127 .tcount = sizeof(GENERAL_SUBTREE_seq_tt) / sizeof(ASN1_TEMPLATE),-
128 .funcs = NULL,-
129 .size = sizeof(GENERAL_SUBTREE),-
130 .sname = "GENERAL_SUBTREE",-
131};-
132-
133static const ASN1_TEMPLATE NAME_CONSTRAINTS_seq_tt[] = {-
134 {-
135 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,-
136 .tag = 0,-
137 .offset = offsetof(NAME_CONSTRAINTS, permittedSubtrees),-
138 .field_name = "permittedSubtrees",-
139 .item = &GENERAL_SUBTREE_it,-
140 },-
141 {-
142 .flags = ASN1_TFLG_IMPLICIT | ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_OPTIONAL,-
143 .tag = 1,-
144 .offset = offsetof(NAME_CONSTRAINTS, excludedSubtrees),-
145 .field_name = "excludedSubtrees",-
146 .item = &GENERAL_SUBTREE_it,-
147 },-
148};-
149-
150const ASN1_ITEM NAME_CONSTRAINTS_it = {-
151 .itype = ASN1_ITYPE_SEQUENCE,-
152 .utype = V_ASN1_SEQUENCE,-
153 .templates = NAME_CONSTRAINTS_seq_tt,-
154 .tcount = sizeof(NAME_CONSTRAINTS_seq_tt) / sizeof(ASN1_TEMPLATE),-
155 .funcs = NULL,-
156 .size = sizeof(NAME_CONSTRAINTS),-
157 .sname = "NAME_CONSTRAINTS",-
158};-
159-
160-
161GENERAL_SUBTREE *-
162GENERAL_SUBTREE_new(void)-
163{-
164 return (GENERAL_SUBTREE*)ASN1_item_new(&GENERAL_SUBTREE_it);
never executed: return (GENERAL_SUBTREE*)ASN1_item_new(&GENERAL_SUBTREE_it);
0
165}-
166-
167void-
168GENERAL_SUBTREE_free(GENERAL_SUBTREE *a)-
169{-
170 ASN1_item_free((ASN1_VALUE *)a, &GENERAL_SUBTREE_it);-
171}
executed 1 time by 1 test: end of block
Executed by:
  • freenull
1
172-
173NAME_CONSTRAINTS *-
174NAME_CONSTRAINTS_new(void)-
175{-
176 return (NAME_CONSTRAINTS*)ASN1_item_new(&NAME_CONSTRAINTS_it);
never executed: return (NAME_CONSTRAINTS*)ASN1_item_new(&NAME_CONSTRAINTS_it);
0
177}-
178-
179void-
180NAME_CONSTRAINTS_free(NAME_CONSTRAINTS *a)-
181{-
182 ASN1_item_free((ASN1_VALUE *)a, &NAME_CONSTRAINTS_it);-
183}
executed 245 times by 8 tests: end of block
Executed by:
  • asn1test
  • freenull
  • keypairtest
  • libcrypto.so.44.0.1
  • servertest
  • ssltest
  • tlstest
  • verifytest
245
184-
185static void *-
186v2i_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,-
187 STACK_OF(CONF_VALUE) *nval)-
188{-
189 int i;-
190 CONF_VALUE tval, *val;-
191 STACK_OF(GENERAL_SUBTREE) **ptree = NULL;-
192 NAME_CONSTRAINTS *ncons = NULL;-
193 GENERAL_SUBTREE *sub = NULL;-
194-
195 ncons = NAME_CONSTRAINTS_new();-
196 if (!ncons)
!nconsDescription
TRUEnever evaluated
FALSEnever evaluated
0
197 goto memerr;
never executed: goto memerr;
0
198 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
i < sk_num(((_...NF_VALUE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
199 val = sk_CONF_VALUE_value(nval, i);-
200 if (!strncmp(val->name, "permitted", 9) && val->name[9]) {
never executed: __result = (((const unsigned char *) (const char *) ( val->name ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "permitted" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
! (__extension...itted" , 9 )))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_constant_p ( 9 )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons... ( val->name )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( val->...size_t) ( 9 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons... "permitted" )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( "perm...size_t) ( 9 ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
val->name[9]Description
TRUEnever evaluated
FALSEnever evaluated
0
201 ptree = &ncons->permittedSubtrees;-
202 tval.name = val->name + 10;-
203 } else if (!strncmp(val->name, "excluded", 8) && val->name[8]) {
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( val->name ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "excluded" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
! (__extension...luded" , 8 )))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_constant_p ( 8 )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons... ( val->name )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( val->...size_t) ( 8 ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...( "excluded" )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( "excl...size_t) ( 8 ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
val->name[8]Description
TRUEnever evaluated
FALSEnever evaluated
0
204 ptree = &ncons->excludedSubtrees;-
205 tval.name = val->name + 9;-
206 } else {
never executed: end of block
0
207 X509V3error(X509V3_R_INVALID_SYNTAX);-
208 goto err;
never executed: goto err;
0
209 }-
210 tval.value = val->value;-
211 sub = GENERAL_SUBTREE_new();-
212 if (!v2i_GENERAL_NAME_ex(sub->base, method, ctx, &tval, 1))
!v2i_GENERAL_N...ctx, &tval, 1)Description
TRUEnever evaluated
FALSEnever evaluated
0
213 goto err;
never executed: goto err;
0
214 if (!*ptree)
!*ptreeDescription
TRUEnever evaluated
FALSEnever evaluated
0
215 *ptree = sk_GENERAL_SUBTREE_new_null();
never executed: *ptree = ((struct stack_st_GENERAL_SUBTREE *)sk_new_null());
0
216 if (!*ptree || !sk_GENERAL_SUBTREE_push(*ptree, sub))
!*ptreeDescription
TRUEnever evaluated
FALSEnever evaluated
!sk_push(((_ST..._SUBTREE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
217 goto memerr;
never executed: goto memerr;
0
218 sub = NULL;-
219 }
never executed: end of block
0
220-
221 return ncons;
never executed: return ncons;
0
222-
223memerr:-
224 X509V3error(ERR_R_MALLOC_FAILURE);-
225err:
code before this statement never executed: err:
0
226 NAME_CONSTRAINTS_free(ncons);-
227 GENERAL_SUBTREE_free(sub);-
228 return NULL;
never executed: return ((void *)0) ;
0
229}-
230-
231static int-
232i2r_NAME_CONSTRAINTS(const X509V3_EXT_METHOD *method, void *a, BIO *bp, int ind)-
233{-
234 NAME_CONSTRAINTS *ncons = a;-
235-
236 do_i2r_name_constraints(method, ncons->permittedSubtrees,-
237 bp, ind, "Permitted");-
238 do_i2r_name_constraints(method, ncons->excludedSubtrees,-
239 bp, ind, "Excluded");-
240 return 1;
never executed: return 1;
0
241}-
242-
243static int-
244do_i2r_name_constraints(const X509V3_EXT_METHOD *method,-
245 STACK_OF(GENERAL_SUBTREE) *trees, BIO *bp, int ind, char *name)-
246{-
247 GENERAL_SUBTREE *tree;-
248 int i;-
249-
250 if (sk_GENERAL_SUBTREE_num(trees) > 0)
sk_num(((_STAC...TREE*)0))) > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
251 BIO_printf(bp, "%*s%s:\n", ind, "", name);
never executed: BIO_printf(bp, "%*s%s:\n", ind, "", name);
0
252 for (i = 0; i < sk_GENERAL_SUBTREE_num(trees); i++) {
i < sk_num(((_..._SUBTREE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
253 tree = sk_GENERAL_SUBTREE_value(trees, i);-
254 BIO_printf(bp, "%*s", ind + 2, "");-
255 if (tree->base->type == GEN_IPADD)
tree->base->type == 7Description
TRUEnever evaluated
FALSEnever evaluated
0
256 print_nc_ipadd(bp, tree->base->d.ip);
never executed: print_nc_ipadd(bp, tree->base->d.ip);
0
257 else-
258 GENERAL_NAME_print(bp, tree->base);
never executed: GENERAL_NAME_print(bp, tree->base);
0
259 BIO_puts(bp, "\n");-
260 }
never executed: end of block
0
261 return 1;
never executed: return 1;
0
262}-
263-
264static int-
265print_nc_ipadd(BIO *bp, ASN1_OCTET_STRING *ip)-
266{-
267 int i, len;-
268 unsigned char *p;-
269-
270 p = ip->data;-
271 len = ip->length;-
272 BIO_puts(bp, "IP:");-
273 if (len == 8) {
len == 8Description
TRUEnever evaluated
FALSEnever evaluated
0
274 BIO_printf(bp, "%d.%d.%d.%d/%d.%d.%d.%d",-
275 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);-
276 } else if (len == 32) {
never executed: end of block
len == 32Description
TRUEnever evaluated
FALSEnever evaluated
0
277 for (i = 0; i < 16; i++) {
i < 16Description
TRUEnever evaluated
FALSEnever evaluated
0
278 BIO_printf(bp, "%X", p[0] << 8 | p[1]);-
279 p += 2;-
280 if (i == 7)
i == 7Description
TRUEnever evaluated
FALSEnever evaluated
0
281 BIO_puts(bp, "/");
never executed: BIO_puts(bp, "/");
0
282 else if (i != 15)
i != 15Description
TRUEnever evaluated
FALSEnever evaluated
0
283 BIO_puts(bp, ":");
never executed: BIO_puts(bp, ":");
0
284 }
never executed: end of block
0
285 } else
never executed: end of block
0
286 BIO_printf(bp, "IP Address:<invalid>");
never executed: BIO_printf(bp, "IP Address:<invalid>");
0
287 return 1;
never executed: return 1;
0
288}-
289-
290/* Check a certificate conforms to a specified set of constraints.-
291 * Return values:-
292 * X509_V_OK: All constraints obeyed.-
293 * X509_V_ERR_PERMITTED_VIOLATION: Permitted subtree violation.-
294 * X509_V_ERR_EXCLUDED_VIOLATION: Excluded subtree violation.-
295 * X509_V_ERR_SUBTREE_MINMAX: Min or max values present and matching type.-
296 * X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: Unsupported constraint type.-
297 * X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: bad unsupported constraint syntax.-
298 * X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: bad or unsupported syntax of name-
299 */-
300-
301int-
302NAME_CONSTRAINTS_check(X509 *x, NAME_CONSTRAINTS *nc)-
303{-
304 int r, i;-
305 X509_NAME *nm;-
306-
307 nm = X509_get_subject_name(x);-
308-
309 if (X509_NAME_entry_count(nm) > 0) {
X509_NAME_entry_count(nm) > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
310 GENERAL_NAME gntmp;-
311 gntmp.type = GEN_DIRNAME;-
312 gntmp.d.directoryName = nm;-
313-
314 r = nc_match(&gntmp, nc);-
315-
316 if (r != X509_V_OK)
r != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
317 return r;
never executed: return r;
0
318-
319 gntmp.type = GEN_EMAIL;-
320-
321 /* Process any email address attributes in subject name */-
322-
323 for (i = -1;;) {-
324 X509_NAME_ENTRY *ne;-
325 i = X509_NAME_get_index_by_NID(nm,-
326 NID_pkcs9_emailAddress, i);-
327 if (i == -1)
i == -1Description
TRUEnever evaluated
FALSEnever evaluated
0
328 break;
never executed: break;
0
329 ne = X509_NAME_get_entry(nm, i);-
330 gntmp.d.rfc822Name = X509_NAME_ENTRY_get_data(ne);-
331 if (gntmp.d.rfc822Name->type != V_ASN1_IA5STRING)
gntmp.d.rfc822Name->type != 22Description
TRUEnever evaluated
FALSEnever evaluated
0
332 return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
never executed: return 53;
0
333-
334 r = nc_match(&gntmp, nc);-
335-
336 if (r != X509_V_OK)
r != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
337 return r;
never executed: return r;
0
338 }
never executed: end of block
0
339-
340 }
never executed: end of block
0
341-
342 for (i = 0; i < sk_GENERAL_NAME_num(x->altname); i++) {
i < sk_num(((_...RAL_NAME*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
343 GENERAL_NAME *gen = sk_GENERAL_NAME_value(x->altname, i);-
344 r = nc_match(gen, nc);-
345 if (r != X509_V_OK)
r != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
346 return r;
never executed: return r;
0
347 }
never executed: end of block
0
348-
349 return X509_V_OK;
never executed: return 0;
0
350}-
351-
352static int-
353nc_match(GENERAL_NAME *gen, NAME_CONSTRAINTS *nc)-
354{-
355 GENERAL_SUBTREE *sub;-
356 int i, r, match = 0;-
357-
358 /* Permitted subtrees: if any subtrees exist of matching the type-
359 * at least one subtree must match.-
360 */-
361-
362 for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->permittedSubtrees); i++) {
i < sk_num(((_..._SUBTREE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
363 sub = sk_GENERAL_SUBTREE_value(nc->permittedSubtrees, i);-
364 if (gen->type != sub->base->type)
gen->type != sub->base->typeDescription
TRUEnever evaluated
FALSEnever evaluated
0
365 continue;
never executed: continue;
0
366 if (sub->minimum || sub->maximum)
sub->minimumDescription
TRUEnever evaluated
FALSEnever evaluated
sub->maximumDescription
TRUEnever evaluated
FALSEnever evaluated
0
367 return X509_V_ERR_SUBTREE_MINMAX;
never executed: return 49;
0
368 /* If we already have a match don't bother trying any more */-
369 if (match == 2)
match == 2Description
TRUEnever evaluated
FALSEnever evaluated
0
370 continue;
never executed: continue;
0
371 if (match == 0)
match == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
372 match = 1;
never executed: match = 1;
0
373 r = nc_match_single(gen, sub->base);-
374 if (r == X509_V_OK)
r == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
375 match = 2;
never executed: match = 2;
0
376 else if (r != X509_V_ERR_PERMITTED_VIOLATION)
r != 47Description
TRUEnever evaluated
FALSEnever evaluated
0
377 return r;
never executed: return r;
0
378 }
never executed: end of block
0
379-
380 if (match == 1)
match == 1Description
TRUEnever evaluated
FALSEnever evaluated
0
381 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
382-
383 /* Excluded subtrees: must not match any of these */-
384-
385 for (i = 0; i < sk_GENERAL_SUBTREE_num(nc->excludedSubtrees); i++) {
i < sk_num(((_..._SUBTREE*)0)))Description
TRUEnever evaluated
FALSEnever evaluated
0
386 sub = sk_GENERAL_SUBTREE_value(nc->excludedSubtrees, i);-
387 if (gen->type != sub->base->type)
gen->type != sub->base->typeDescription
TRUEnever evaluated
FALSEnever evaluated
0
388 continue;
never executed: continue;
0
389 if (sub->minimum || sub->maximum)
sub->minimumDescription
TRUEnever evaluated
FALSEnever evaluated
sub->maximumDescription
TRUEnever evaluated
FALSEnever evaluated
0
390 return X509_V_ERR_SUBTREE_MINMAX;
never executed: return 49;
0
391-
392 r = nc_match_single(gen, sub->base);-
393 if (r == X509_V_OK)
r == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
394 return X509_V_ERR_EXCLUDED_VIOLATION;
never executed: return 48;
0
395 else if (r != X509_V_ERR_PERMITTED_VIOLATION)
r != 47Description
TRUEnever evaluated
FALSEnever evaluated
0
396 return r;
never executed: return r;
0
397-
398 }
never executed: end of block
0
399-
400 return X509_V_OK;
never executed: return 0;
0
401}-
402-
403static int-
404nc_match_single(GENERAL_NAME *gen, GENERAL_NAME *base)-
405{-
406 switch (base->type) {-
407 case GEN_DIRNAME:
never executed: case 4:
0
408 return nc_dn(gen->d.directoryName, base->d.directoryName);
never executed: return nc_dn(gen->d.directoryName, base->d.directoryName);
0
409-
410 case GEN_DNS:
never executed: case 2:
0
411 return nc_dns(gen->d.dNSName, base->d.dNSName);
never executed: return nc_dns(gen->d.dNSName, base->d.dNSName);
0
412-
413 case GEN_EMAIL:
never executed: case 1:
0
414 return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
never executed: return nc_email(gen->d.rfc822Name, base->d.rfc822Name);
0
415-
416 case GEN_URI:
never executed: case 6:
0
417 return nc_uri(gen->d.uniformResourceIdentifier,
never executed: return nc_uri(gen->d.uniformResourceIdentifier, base->d.uniformResourceIdentifier);
0
418 base->d.uniformResourceIdentifier);
never executed: return nc_uri(gen->d.uniformResourceIdentifier, base->d.uniformResourceIdentifier);
0
419-
420 default:
never executed: default:
0
421 return X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE;
never executed: return 51;
0
422 }-
423}-
424-
425/* directoryName name constraint matching.-
426 * The canonical encoding of X509_NAME makes this comparison easy. It is-
427 * matched if the subtree is a subset of the name.-
428 */-
429-
430static int-
431nc_dn(X509_NAME *nm, X509_NAME *base)-
432{-
433 /* Ensure canonical encodings are up to date. */-
434 if (nm->modified && i2d_X509_NAME(nm, NULL) < 0)
nm->modifiedDescription
TRUEnever evaluated
FALSEnever evaluated
i2d_X509_NAME(...oid *)0) ) < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
435 return X509_V_ERR_OUT_OF_MEM;
never executed: return 17;
0
436 if (base->modified && i2d_X509_NAME(base, NULL) < 0)
base->modifiedDescription
TRUEnever evaluated
FALSEnever evaluated
i2d_X509_NAME(...oid *)0) ) < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
437 return X509_V_ERR_OUT_OF_MEM;
never executed: return 17;
0
438 if (base->canon_enclen > nm->canon_enclen)
base->canon_en...->canon_enclenDescription
TRUEnever evaluated
FALSEnever evaluated
0
439 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
440 if (memcmp(base->canon_enc, nm->canon_enc, base->canon_enclen))
memcmp(base->c...>canon_enclen)Description
TRUEnever evaluated
FALSEnever evaluated
0
441 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
442 return X509_V_OK;
never executed: return 0;
0
443}-
444-
445static int-
446nc_dns(ASN1_IA5STRING *dns, ASN1_IA5STRING *base)-
447{-
448 char *baseptr = (char *)base->data;-
449 char *dnsptr = (char *)dns->data;-
450-
451 /* Empty matches everything */-
452 if (!*baseptr)
!*baseptrDescription
TRUEnever evaluated
FALSEnever evaluated
0
453 return X509_V_OK;
never executed: return 0;
0
454 /* Otherwise can add zero or more components on the left so-
455 * compare RHS and if dns is longer and expect '.' as preceding-
456 * character.-
457 */-
458 if (dns->length > base->length) {
dns->length > base->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
0
459 dnsptr += dns->length - base->length;-
460 if (baseptr[0] != '.' && dnsptr[-1] != '.')
baseptr[0] != '.'Description
TRUEnever evaluated
FALSEnever evaluated
dnsptr[-1] != '.'Description
TRUEnever evaluated
FALSEnever evaluated
0
461 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
462 }
never executed: end of block
0
463-
464 if (strcasecmp(baseptr, dnsptr))
strcasecmp(baseptr, dnsptr)Description
TRUEnever evaluated
FALSEnever evaluated
0
465 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
466-
467 return X509_V_OK;
never executed: return 0;
0
468}-
469-
470static int-
471nc_email(ASN1_IA5STRING *eml, ASN1_IA5STRING *base)-
472{-
473 const char *baseptr = (char *)base->data;-
474 const char *emlptr = (char *)eml->data;-
475 const char *baseat = strchr(baseptr, '@');
__builtin_constant_p ( '@' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con..._p ( baseptr )Description
TRUEnever evaluated
FALSEnever evaluated
( '@' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
476 const char *emlat = strchr(emlptr, '@');
__builtin_constant_p ( '@' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con...t_p ( emlptr )Description
TRUEnever evaluated
FALSEnever evaluated
( '@' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
477-
478 if (!emlat)
!emlatDescription
TRUEnever evaluated
FALSEnever evaluated
0
479 return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
never executed: return 53;
0
480 /* Special case: inital '.' is RHS match */-
481 if (!baseat && (*baseptr == '.')) {
!baseatDescription
TRUEnever evaluated
FALSEnever evaluated
(*baseptr == '.')Description
TRUEnever evaluated
FALSEnever evaluated
0
482 if (eml->length > base->length) {
eml->length > base->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
0
483 emlptr += eml->length - base->length;-
484 if (!strcasecmp(baseptr, emlptr))
!strcasecmp(baseptr, emlptr)Description
TRUEnever evaluated
FALSEnever evaluated
0
485 return X509_V_OK;
never executed: return 0;
0
486 }
never executed: end of block
0
487 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
488 }-
489-
490 /* If we have anything before '@' match local part */-
491-
492 if (baseat) {
baseatDescription
TRUEnever evaluated
FALSEnever evaluated
0
493 if (baseat != baseptr) {
baseat != baseptrDescription
TRUEnever evaluated
FALSEnever evaluated
0
494 if ((baseat - baseptr) != (emlat - emlptr))
(baseat - base...mlat - emlptr)Description
TRUEnever evaluated
FALSEnever evaluated
0
495 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
496 /* Case sensitive match of local part */-
497 if (strncmp(baseptr, emlptr, emlat - emlptr))
never executed: __result = (((const unsigned char *) (const char *) ( baseptr ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( emlptr ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
(__extension__...t - emlptr )))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...lat - emlptr )Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons..._p ( baseptr )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( basep...at - emlptr ))Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_cons...t_p ( emlptr )Description
TRUEnever evaluated
FALSEnever evaluated
strlen ( emlpt...at - emlptr ))Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
498 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
499 }
never executed: end of block
0
500 /* Position base after '@' */-
501 baseptr = baseat + 1;-
502 }
never executed: end of block
0
503 emlptr = emlat + 1;-
504 /* Just have hostname left to match: case insensitive */-
505 if (strcasecmp(baseptr, emlptr))
strcasecmp(baseptr, emlptr)Description
TRUEnever evaluated
FALSEnever evaluated
0
506 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
507-
508 return X509_V_OK;
never executed: return 0;
0
509}-
510-
511static int-
512nc_uri(ASN1_IA5STRING *uri, ASN1_IA5STRING *base)-
513{-
514 const char *baseptr = (char *)base->data;-
515 const char *hostptr = (char *)uri->data;-
516 const char *p = strchr(hostptr, ':');
__builtin_constant_p ( ':' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con..._p ( hostptr )Description
TRUEnever evaluated
FALSEnever evaluated
( ':' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
517 int hostlen;-
518-
519 /* Check for foo:// and skip past it */-
520 if (!p || (p[1] != '/') || (p[2] != '/'))
!pDescription
TRUEnever evaluated
FALSEnever evaluated
(p[1] != '/')Description
TRUEnever evaluated
FALSEnever evaluated
(p[2] != '/')Description
TRUEnever evaluated
FALSEnever evaluated
0
521 return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
never executed: return 53;
0
522 hostptr = p + 3;-
523-
524 /* Determine length of hostname part of URI */-
525-
526 /* Look for a port indicator as end of hostname first */-
527-
528 p = strchr(hostptr, ':');
__builtin_constant_p ( ':' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con..._p ( hostptr )Description
TRUEnever evaluated
FALSEnever evaluated
( ':' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
529 /* Otherwise look for trailing slash */-
530 if (!p)
!pDescription
TRUEnever evaluated
FALSEnever evaluated
0
531 p = strchr(hostptr, '/');
never executed: p = (__extension__ (__builtin_constant_p ( '/' ) && !__builtin_constant_p ( hostptr ) && ( '/' ) == '\0' ? (char *) __rawmemchr ( hostptr , '/' ) : __builtin_strchr ( hostptr , '/' ))) ;
__builtin_constant_p ( '/' )Description
TRUEnever evaluated
FALSEnever evaluated
!__builtin_con..._p ( hostptr )Description
TRUEnever evaluated
FALSEnever evaluated
( '/' ) == '\0'Description
TRUEnever evaluated
FALSEnever evaluated
0
532-
533 if (!p)
!pDescription
TRUEnever evaluated
FALSEnever evaluated
0
534 hostlen = strlen(hostptr);
never executed: hostlen = strlen(hostptr);
0
535 else-
536 hostlen = p - hostptr;
never executed: hostlen = p - hostptr;
0
537-
538 if (hostlen == 0)
hostlen == 0Description
TRUEnever evaluated
FALSEnever evaluated
0
539 return X509_V_ERR_UNSUPPORTED_NAME_SYNTAX;
never executed: return 53;
0
540-
541 /* Special case: inital '.' is RHS match */-
542 if (*baseptr == '.') {
*baseptr == '.'Description
TRUEnever evaluated
FALSEnever evaluated
0
543 if (hostlen > base->length) {
hostlen > base->lengthDescription
TRUEnever evaluated
FALSEnever evaluated
0
544 p = hostptr + hostlen - base->length;-
545 if (!strncasecmp(p, baseptr, base->length))
!strncasecmp(p... base->length)Description
TRUEnever evaluated
FALSEnever evaluated
0
546 return X509_V_OK;
never executed: return 0;
0
547 }
never executed: end of block
0
548 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
549 }-
550-
551 if ((base->length != (int)hostlen) ||
(base->length != (int)hostlen)Description
TRUEnever evaluated
FALSEnever evaluated
0
552 strncasecmp(hostptr, baseptr, hostlen))
strncasecmp(ho...eptr, hostlen)Description
TRUEnever evaluated
FALSEnever evaluated
0
553 return X509_V_ERR_PERMITTED_VIOLATION;
never executed: return 47;
0
554-
555 return X509_V_OK;
never executed: return 0;
0
556}-
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