source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/x509v3/v3_crld.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 15.2 KB
Line 
1/*
2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include "internal/cryptlib.h"
12#include <openssl/conf.h>
13#include <openssl/asn1.h>
14#include <openssl/asn1t.h>
15#include <openssl/x509v3.h>
16
17#include "internal/x509_int.h"
18#include "ext_dat.h"
19
20static void *v2i_crld(const X509V3_EXT_METHOD *method,
21 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
22static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
23 int indent);
24
25const X509V3_EXT_METHOD v3_crld = {
26 NID_crl_distribution_points, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
27 0, 0, 0, 0,
28 0, 0,
29 0,
30 v2i_crld,
31 i2r_crldp, 0,
32 NULL
33};
34
35const X509V3_EXT_METHOD v3_freshest_crl = {
36 NID_freshest_crl, 0, ASN1_ITEM_ref(CRL_DIST_POINTS),
37 0, 0, 0, 0,
38 0, 0,
39 0,
40 v2i_crld,
41 i2r_crldp, 0,
42 NULL
43};
44
45static STACK_OF(GENERAL_NAME) *gnames_from_sectname(X509V3_CTX *ctx,
46 char *sect)
47{
48 STACK_OF(CONF_VALUE) *gnsect;
49 STACK_OF(GENERAL_NAME) *gens;
50 if (*sect == '@')
51 gnsect = X509V3_get_section(ctx, sect + 1);
52 else
53 gnsect = X509V3_parse_list(sect);
54 if (!gnsect) {
55 X509V3err(X509V3_F_GNAMES_FROM_SECTNAME, X509V3_R_SECTION_NOT_FOUND);
56 return NULL;
57 }
58 gens = v2i_GENERAL_NAMES(NULL, ctx, gnsect);
59 if (*sect == '@')
60 X509V3_section_free(ctx, gnsect);
61 else
62 sk_CONF_VALUE_pop_free(gnsect, X509V3_conf_free);
63 return gens;
64}
65
66static int set_dist_point_name(DIST_POINT_NAME **pdp, X509V3_CTX *ctx,
67 CONF_VALUE *cnf)
68{
69 STACK_OF(GENERAL_NAME) *fnm = NULL;
70 STACK_OF(X509_NAME_ENTRY) *rnm = NULL;
71
72 if (strncmp(cnf->name, "fullname", 9) == 0) {
73 fnm = gnames_from_sectname(ctx, cnf->value);
74 if (!fnm)
75 goto err;
76 } else if (strcmp(cnf->name, "relativename") == 0) {
77 int ret;
78 STACK_OF(CONF_VALUE) *dnsect;
79 X509_NAME *nm;
80 nm = X509_NAME_new();
81 if (nm == NULL)
82 return -1;
83 dnsect = X509V3_get_section(ctx, cnf->value);
84 if (!dnsect) {
85 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
86 X509V3_R_SECTION_NOT_FOUND);
87 return -1;
88 }
89 ret = X509V3_NAME_from_section(nm, dnsect, MBSTRING_ASC);
90 X509V3_section_free(ctx, dnsect);
91 rnm = nm->entries;
92 nm->entries = NULL;
93 X509_NAME_free(nm);
94 if (!ret || sk_X509_NAME_ENTRY_num(rnm) <= 0)
95 goto err;
96 /*
97 * Since its a name fragment can't have more than one RDNSequence
98 */
99 if (sk_X509_NAME_ENTRY_value(rnm,
100 sk_X509_NAME_ENTRY_num(rnm) - 1)->set) {
101 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
102 X509V3_R_INVALID_MULTIPLE_RDNS);
103 goto err;
104 }
105 } else
106 return 0;
107
108 if (*pdp) {
109 X509V3err(X509V3_F_SET_DIST_POINT_NAME,
110 X509V3_R_DISTPOINT_ALREADY_SET);
111 goto err;
112 }
113
114 *pdp = DIST_POINT_NAME_new();
115 if (*pdp == NULL)
116 goto err;
117 if (fnm) {
118 (*pdp)->type = 0;
119 (*pdp)->name.fullname = fnm;
120 } else {
121 (*pdp)->type = 1;
122 (*pdp)->name.relativename = rnm;
123 }
124
125 return 1;
126
127 err:
128 sk_GENERAL_NAME_pop_free(fnm, GENERAL_NAME_free);
129 sk_X509_NAME_ENTRY_pop_free(rnm, X509_NAME_ENTRY_free);
130 return -1;
131}
132
133static const BIT_STRING_BITNAME reason_flags[] = {
134 {0, "Unused", "unused"},
135 {1, "Key Compromise", "keyCompromise"},
136 {2, "CA Compromise", "CACompromise"},
137 {3, "Affiliation Changed", "affiliationChanged"},
138 {4, "Superseded", "superseded"},
139 {5, "Cessation Of Operation", "cessationOfOperation"},
140 {6, "Certificate Hold", "certificateHold"},
141 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
142 {8, "AA Compromise", "AACompromise"},
143 {-1, NULL, NULL}
144};
145
146static int set_reasons(ASN1_BIT_STRING **preas, char *value)
147{
148 STACK_OF(CONF_VALUE) *rsk = NULL;
149 const BIT_STRING_BITNAME *pbn;
150 const char *bnam;
151 int i, ret = 0;
152 rsk = X509V3_parse_list(value);
153 if (rsk == NULL)
154 return 0;
155 if (*preas != NULL)
156 goto err;
157 for (i = 0; i < sk_CONF_VALUE_num(rsk); i++) {
158 bnam = sk_CONF_VALUE_value(rsk, i)->name;
159 if (*preas == NULL) {
160 *preas = ASN1_BIT_STRING_new();
161 if (*preas == NULL)
162 goto err;
163 }
164 for (pbn = reason_flags; pbn->lname; pbn++) {
165 if (strcmp(pbn->sname, bnam) == 0) {
166 if (!ASN1_BIT_STRING_set_bit(*preas, pbn->bitnum, 1))
167 goto err;
168 break;
169 }
170 }
171 if (!pbn->lname)
172 goto err;
173 }
174 ret = 1;
175
176 err:
177 sk_CONF_VALUE_pop_free(rsk, X509V3_conf_free);
178 return ret;
179}
180
181static int print_reasons(BIO *out, const char *rname,
182 ASN1_BIT_STRING *rflags, int indent)
183{
184 int first = 1;
185 const BIT_STRING_BITNAME *pbn;
186 BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
187 for (pbn = reason_flags; pbn->lname; pbn++) {
188 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum)) {
189 if (first)
190 first = 0;
191 else
192 BIO_puts(out, ", ");
193 BIO_puts(out, pbn->lname);
194 }
195 }
196 if (first)
197 BIO_puts(out, "<EMPTY>\n");
198 else
199 BIO_puts(out, "\n");
200 return 1;
201}
202
203static DIST_POINT *crldp_from_section(X509V3_CTX *ctx,
204 STACK_OF(CONF_VALUE) *nval)
205{
206 int i;
207 CONF_VALUE *cnf;
208 DIST_POINT *point = NULL;
209 point = DIST_POINT_new();
210 if (point == NULL)
211 goto err;
212 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
213 int ret;
214 cnf = sk_CONF_VALUE_value(nval, i);
215 ret = set_dist_point_name(&point->distpoint, ctx, cnf);
216 if (ret > 0)
217 continue;
218 if (ret < 0)
219 goto err;
220 if (strcmp(cnf->name, "reasons") == 0) {
221 if (!set_reasons(&point->reasons, cnf->value))
222 goto err;
223 } else if (strcmp(cnf->name, "CRLissuer") == 0) {
224 point->CRLissuer = gnames_from_sectname(ctx, cnf->value);
225 if (!point->CRLissuer)
226 goto err;
227 }
228 }
229
230 return point;
231
232 err:
233 DIST_POINT_free(point);
234 return NULL;
235}
236
237static void *v2i_crld(const X509V3_EXT_METHOD *method,
238 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
239{
240 STACK_OF(DIST_POINT) *crld = NULL;
241 GENERAL_NAMES *gens = NULL;
242 GENERAL_NAME *gen = NULL;
243 CONF_VALUE *cnf;
244 int i;
245
246 if ((crld = sk_DIST_POINT_new_null()) == NULL)
247 goto merr;
248 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
249 DIST_POINT *point;
250 cnf = sk_CONF_VALUE_value(nval, i);
251 if (!cnf->value) {
252 STACK_OF(CONF_VALUE) *dpsect;
253 dpsect = X509V3_get_section(ctx, cnf->name);
254 if (!dpsect)
255 goto err;
256 point = crldp_from_section(ctx, dpsect);
257 X509V3_section_free(ctx, dpsect);
258 if (!point)
259 goto err;
260 if (!sk_DIST_POINT_push(crld, point)) {
261 DIST_POINT_free(point);
262 goto merr;
263 }
264 } else {
265 if ((gen = v2i_GENERAL_NAME(method, ctx, cnf)) == NULL)
266 goto err;
267 if ((gens = GENERAL_NAMES_new()) == NULL)
268 goto merr;
269 if (!sk_GENERAL_NAME_push(gens, gen))
270 goto merr;
271 gen = NULL;
272 if ((point = DIST_POINT_new()) == NULL)
273 goto merr;
274 if (!sk_DIST_POINT_push(crld, point)) {
275 DIST_POINT_free(point);
276 goto merr;
277 }
278 if ((point->distpoint = DIST_POINT_NAME_new()) == NULL)
279 goto merr;
280 point->distpoint->name.fullname = gens;
281 point->distpoint->type = 0;
282 gens = NULL;
283 }
284 }
285 return crld;
286
287 merr:
288 X509V3err(X509V3_F_V2I_CRLD, ERR_R_MALLOC_FAILURE);
289 err:
290 GENERAL_NAME_free(gen);
291 GENERAL_NAMES_free(gens);
292 sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
293 return NULL;
294}
295
296static int dpn_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
297 void *exarg)
298{
299 DIST_POINT_NAME *dpn = (DIST_POINT_NAME *)*pval;
300
301 switch (operation) {
302 case ASN1_OP_NEW_POST:
303 dpn->dpname = NULL;
304 break;
305
306 case ASN1_OP_FREE_POST:
307 X509_NAME_free(dpn->dpname);
308 break;
309 }
310 return 1;
311}
312
313
314ASN1_CHOICE_cb(DIST_POINT_NAME, dpn_cb) = {
315 ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
316 ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
317} ASN1_CHOICE_END_cb(DIST_POINT_NAME, DIST_POINT_NAME, type)
318
319
320IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
321
322ASN1_SEQUENCE(DIST_POINT) = {
323 ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
324 ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
325 ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
326} ASN1_SEQUENCE_END(DIST_POINT)
327
328IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
329
330ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
331 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
332ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
333
334IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
335
336ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
337 ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
338 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
339 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
340 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
341 ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
342 ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
343} ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
344
345IMPLEMENT_ASN1_FUNCTIONS(ISSUING_DIST_POINT)
346
347static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
348 int indent);
349static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
350 STACK_OF(CONF_VALUE) *nval);
351
352const X509V3_EXT_METHOD v3_idp = {
353 NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
354 ASN1_ITEM_ref(ISSUING_DIST_POINT),
355 0, 0, 0, 0,
356 0, 0,
357 0,
358 v2i_idp,
359 i2r_idp, 0,
360 NULL
361};
362
363static void *v2i_idp(const X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
364 STACK_OF(CONF_VALUE) *nval)
365{
366 ISSUING_DIST_POINT *idp = NULL;
367 CONF_VALUE *cnf;
368 char *name, *val;
369 int i, ret;
370 idp = ISSUING_DIST_POINT_new();
371 if (idp == NULL)
372 goto merr;
373 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
374 cnf = sk_CONF_VALUE_value(nval, i);
375 name = cnf->name;
376 val = cnf->value;
377 ret = set_dist_point_name(&idp->distpoint, ctx, cnf);
378 if (ret > 0)
379 continue;
380 if (ret < 0)
381 goto err;
382 if (strcmp(name, "onlyuser") == 0) {
383 if (!X509V3_get_value_bool(cnf, &idp->onlyuser))
384 goto err;
385 } else if (strcmp(name, "onlyCA") == 0) {
386 if (!X509V3_get_value_bool(cnf, &idp->onlyCA))
387 goto err;
388 } else if (strcmp(name, "onlyAA") == 0) {
389 if (!X509V3_get_value_bool(cnf, &idp->onlyattr))
390 goto err;
391 } else if (strcmp(name, "indirectCRL") == 0) {
392 if (!X509V3_get_value_bool(cnf, &idp->indirectCRL))
393 goto err;
394 } else if (strcmp(name, "onlysomereasons") == 0) {
395 if (!set_reasons(&idp->onlysomereasons, val))
396 goto err;
397 } else {
398 X509V3err(X509V3_F_V2I_IDP, X509V3_R_INVALID_NAME);
399 X509V3_conf_err(cnf);
400 goto err;
401 }
402 }
403 return idp;
404
405 merr:
406 X509V3err(X509V3_F_V2I_IDP, ERR_R_MALLOC_FAILURE);
407 err:
408 ISSUING_DIST_POINT_free(idp);
409 return NULL;
410}
411
412static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
413{
414 int i;
415 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
416 BIO_printf(out, "%*s", indent + 2, "");
417 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
418 BIO_puts(out, "\n");
419 }
420 return 1;
421}
422
423static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
424{
425 if (dpn->type == 0) {
426 BIO_printf(out, "%*sFull Name:\n", indent, "");
427 print_gens(out, dpn->name.fullname, indent);
428 } else {
429 X509_NAME ntmp;
430 ntmp.entries = dpn->name.relativename;
431 BIO_printf(out, "%*sRelative Name:\n%*s", indent, "", indent + 2, "");
432 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
433 BIO_puts(out, "\n");
434 }
435 return 1;
436}
437
438static int i2r_idp(const X509V3_EXT_METHOD *method, void *pidp, BIO *out,
439 int indent)
440{
441 ISSUING_DIST_POINT *idp = pidp;
442 if (idp->distpoint)
443 print_distpoint(out, idp->distpoint, indent);
444 if (idp->onlyuser > 0)
445 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
446 if (idp->onlyCA > 0)
447 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
448 if (idp->indirectCRL > 0)
449 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
450 if (idp->onlysomereasons)
451 print_reasons(out, "Only Some Reasons", idp->onlysomereasons, indent);
452 if (idp->onlyattr > 0)
453 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
454 if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
455 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
456 && (idp->onlyattr <= 0))
457 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
458
459 return 1;
460}
461
462static int i2r_crldp(const X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
463 int indent)
464{
465 STACK_OF(DIST_POINT) *crld = pcrldp;
466 DIST_POINT *point;
467 int i;
468 for (i = 0; i < sk_DIST_POINT_num(crld); i++) {
469 BIO_puts(out, "\n");
470 point = sk_DIST_POINT_value(crld, i);
471 if (point->distpoint)
472 print_distpoint(out, point->distpoint, indent);
473 if (point->reasons)
474 print_reasons(out, "Reasons", point->reasons, indent);
475 if (point->CRLissuer) {
476 BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
477 print_gens(out, point->CRLissuer, indent);
478 }
479 }
480 return 1;
481}
482
483int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, X509_NAME *iname)
484{
485 int i;
486 STACK_OF(X509_NAME_ENTRY) *frag;
487 X509_NAME_ENTRY *ne;
488 if (!dpn || (dpn->type != 1))
489 return 1;
490 frag = dpn->name.relativename;
491 dpn->dpname = X509_NAME_dup(iname);
492 if (!dpn->dpname)
493 return 0;
494 for (i = 0; i < sk_X509_NAME_ENTRY_num(frag); i++) {
495 ne = sk_X509_NAME_ENTRY_value(frag, i);
496 if (!X509_NAME_add_entry(dpn->dpname, ne, -1, i ? 0 : 1)) {
497 X509_NAME_free(dpn->dpname);
498 dpn->dpname = NULL;
499 return 0;
500 }
501 }
502 /* generate cached encoding of name */
503 if (i2d_X509_NAME(dpn->dpname, NULL) < 0) {
504 X509_NAME_free(dpn->dpname);
505 dpn->dpname = NULL;
506 return 0;
507 }
508 return 1;
509}
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