crypto/openssl/crypto/x509v3/v3_cpols.c

   1 /* v3_cpols.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999-2004 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 "cryptlib.h"
  61 #include <openssl/conf.h>
  62 #include <openssl/asn1.h>
  63 #include <openssl/asn1t.h>
  64 #include <openssl/x509v3.h>
  65
  66 #include "pcy_int.h"
  67
  68 /* Certificate policies extension support: this one is a bit complex... */
  69
  70 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol, BIO *out, int indent);
  71 static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *value);
  72 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals, int indent);
  73 static void print_notice(BIO *out, USERNOTICE *notice, int indent);
  74 static POLICYINFO *policy_section(X509V3_CTX *ctx,
  75                                  STACK_OF(CONF_VALUE) *polstrs, int ia5org);
  76 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
  77                                         STACK_OF(CONF_VALUE) *unot, int ia5org);
  78 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos);
  79
  80 const X509V3_EXT_METHOD v3_cpols = {
  81 NID_certificate_policies, 0,ASN1_ITEM_ref(CERTIFICATEPOLICIES),
  82 0,0,0,0,
  83 0,0,
  84 0,0,
  85 (X509V3_EXT_I2R)i2r_certpol,
  86 (X509V3_EXT_R2I)r2i_certpol,
  87 NULL
  88 };
  89
  90 ASN1_ITEM_TEMPLATE(CERTIFICATEPOLICIES) =
  91         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CERTIFICATEPOLICIES, POLICYINFO)
  92 ASN1_ITEM_TEMPLATE_END(CERTIFICATEPOLICIES)
  93
  94 IMPLEMENT_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
  95
  96 ASN1_SEQUENCE(POLICYINFO) = {
  97         ASN1_SIMPLE(POLICYINFO, policyid, ASN1_OBJECT),
  98         ASN1_SEQUENCE_OF_OPT(POLICYINFO, qualifiers, POLICYQUALINFO)
  99 } ASN1_SEQUENCE_END(POLICYINFO)
 100
 101 IMPLEMENT_ASN1_FUNCTIONS(POLICYINFO)
 102
 103 ASN1_ADB_TEMPLATE(policydefault) = ASN1_SIMPLE(POLICYQUALINFO, d.other, ASN1_ANY);
 104
 105 ASN1_ADB(POLICYQUALINFO) = {
 106         ADB_ENTRY(NID_id_qt_cps, ASN1_SIMPLE(POLICYQUALINFO, d.cpsuri, ASN1_IA5STRING)),
 107         ADB_ENTRY(NID_id_qt_unotice, ASN1_SIMPLE(POLICYQUALINFO, d.usernotice, USERNOTICE))
 108 } ASN1_ADB_END(POLICYQUALINFO, 0, pqualid, 0, &policydefault_tt, NULL);
 109
 110 ASN1_SEQUENCE(POLICYQUALINFO) = {
 111         ASN1_SIMPLE(POLICYQUALINFO, pqualid, ASN1_OBJECT),
 112         ASN1_ADB_OBJECT(POLICYQUALINFO)
 113 } ASN1_SEQUENCE_END(POLICYQUALINFO)
 114
 115 IMPLEMENT_ASN1_FUNCTIONS(POLICYQUALINFO)
 116
 117 ASN1_SEQUENCE(USERNOTICE) = {
 118         ASN1_OPT(USERNOTICE, noticeref, NOTICEREF),
 119         ASN1_OPT(USERNOTICE, exptext, DISPLAYTEXT)
 120 } ASN1_SEQUENCE_END(USERNOTICE)
 121
 122 IMPLEMENT_ASN1_FUNCTIONS(USERNOTICE)
 123
 124 ASN1_SEQUENCE(NOTICEREF) = {
 125         ASN1_SIMPLE(NOTICEREF, organization, DISPLAYTEXT),
 126         ASN1_SEQUENCE_OF(NOTICEREF, noticenos, ASN1_INTEGER)
 127 } ASN1_SEQUENCE_END(NOTICEREF)
 128
 129 IMPLEMENT_ASN1_FUNCTIONS(NOTICEREF)
 130
 131 static STACK_OF(POLICYINFO) *r2i_certpol(X509V3_EXT_METHOD *method,
 132                 X509V3_CTX *ctx, char *value)
 133 {
 134         STACK_OF(POLICYINFO) *pols = NULL;
 135         char *pstr;
 136         POLICYINFO *pol;
 137         ASN1_OBJECT *pobj;
 138         STACK_OF(CONF_VALUE) *vals;
 139         CONF_VALUE *cnf;
 140         int i, ia5org;
 141         pols = sk_POLICYINFO_new_null();
 142         if (pols == NULL) {
 143                 X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
 144                 return NULL;
 145         }
 146         vals =  X509V3_parse_list(value);
 147         if (vals == NULL) {
 148                 X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_X509V3_LIB);
 149                 goto err;
 150         }
 151         ia5org = 0;
 152         for(i = 0; i < sk_CONF_VALUE_num(vals); i++) {
 153                 cnf = sk_CONF_VALUE_value(vals, i);
 154                 if(cnf->value || !cnf->name ) {
 155                         X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_POLICY_IDENTIFIER);
 156                         X509V3_conf_err(cnf);
 157                         goto err;
 158                 }
 159                 pstr = cnf->name;
 160                 if(!strcmp(pstr,"ia5org")) {
 161                         ia5org = 1;
 162                         continue;
 163                 } else if(*pstr == '@') {
 164                         STACK_OF(CONF_VALUE) *polsect;
 165                         polsect = X509V3_get_section(ctx, pstr + 1);
 166                         if(!polsect) {
 167                                 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_SECTION);
 168
 169                                 X509V3_conf_err(cnf);
 170                                 goto err;
 171                         }
 172                         pol = policy_section(ctx, polsect, ia5org);
 173                         X509V3_section_free(ctx, polsect);
 174                         if(!pol) goto err;
 175                 } else {
 176                         if(!(pobj = OBJ_txt2obj(cnf->name, 0))) {
 177                                 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 178                                 X509V3_conf_err(cnf);
 179                                 goto err;
 180                         }
 181                         pol = POLICYINFO_new();
 182                         pol->policyid = pobj;
 183                 }
 184                 if (!sk_POLICYINFO_push(pols, pol)){
 185                         POLICYINFO_free(pol);
 186                         X509V3err(X509V3_F_R2I_CERTPOL, ERR_R_MALLOC_FAILURE);
 187                         goto err;
 188                 }
 189         }
 190         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 191         return pols;
 192         err:
 193         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 194         sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
 195         return NULL;
 196 }
 197
 198 static POLICYINFO *policy_section(X509V3_CTX *ctx,
 199                                 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
 200 {
 201         int i;
 202         CONF_VALUE *cnf;
 203         POLICYINFO *pol;
 204         POLICYQUALINFO *qual;
 205         if(!(pol = POLICYINFO_new())) goto merr;
 206         for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
 207                 cnf = sk_CONF_VALUE_value(polstrs, i);
 208                 if(!strcmp(cnf->name, "policyIdentifier")) {
 209                         ASN1_OBJECT *pobj;
 210                         if(!(pobj = OBJ_txt2obj(cnf->value, 0))) {
 211                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 212                                 X509V3_conf_err(cnf);
 213                                 goto err;
 214                         }
 215                         pol->policyid = pobj;
 216
 217                 } else if(!name_cmp(cnf->name, "CPS")) {
 218                         if(!pol->qualifiers) pol->qualifiers =
 219                                                  sk_POLICYQUALINFO_new_null();
 220                         if(!(qual = POLICYQUALINFO_new())) goto merr;
 221                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 222                                                                  goto merr;
 223                         qual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
 224                         qual->d.cpsuri = M_ASN1_IA5STRING_new();
 225                         if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
 226                                                  strlen(cnf->value))) goto merr;
 227                 } else if(!name_cmp(cnf->name, "userNotice")) {
 228                         STACK_OF(CONF_VALUE) *unot;
 229                         if(*cnf->value != '@') {
 230                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME);
 231                                 X509V3_conf_err(cnf);
 232                                 goto err;
 233                         }
 234                         unot = X509V3_get_section(ctx, cnf->value + 1);
 235                         if(!unot) {
 236                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION);
 237
 238                                 X509V3_conf_err(cnf);
 239                                 goto err;
 240                         }
 241                         qual = notice_section(ctx, unot, ia5org);
 242                         X509V3_section_free(ctx, unot);
 243                         if(!qual) goto err;
 244                         if(!pol->qualifiers) pol->qualifiers =
 245                                                  sk_POLICYQUALINFO_new_null();
 246                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 247                                                                  goto merr;
 248                 } else {
 249                         X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION);
 250
 251                         X509V3_conf_err(cnf);
 252                         goto err;
 253                 }
 254         }
 255         if(!pol->policyid) {
 256                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER);
 257                 goto err;
 258         }
 259
 260         return pol;
 261
 262         merr:
 263         X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE);
 264
 265         err:
 266         POLICYINFO_free(pol);
 267         return NULL;
 268
 269
 270 }
 271
 272 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
 273                                         STACK_OF(CONF_VALUE) *unot, int ia5org)
 274 {
 275         int i, ret;
 276         CONF_VALUE *cnf;
 277         USERNOTICE *not;
 278         POLICYQUALINFO *qual;
 279         if(!(qual = POLICYQUALINFO_new())) goto merr;
 280         qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
 281         if(!(not = USERNOTICE_new())) goto merr;
 282         qual->d.usernotice = not;
 283         for(i = 0; i < sk_CONF_VALUE_num(unot); i++) {
 284                 cnf = sk_CONF_VALUE_value(unot, i);
 285                 if(!strcmp(cnf->name, "explicitText")) {
 286                         not->exptext = M_ASN1_VISIBLESTRING_new();
 287                         if(!ASN1_STRING_set(not->exptext, cnf->value,
 288                                                  strlen(cnf->value))) goto merr;
 289                 } else if(!strcmp(cnf->name, "organization")) {
 290                         NOTICEREF *nref;
 291                         if(!not->noticeref) {
 292                                 if(!(nref = NOTICEREF_new())) goto merr;
 293                                 not->noticeref = nref;
 294                         } else nref = not->noticeref;
 295                         if(ia5org) nref->organization->type = V_ASN1_IA5STRING;
 296                         else nref->organization->type = V_ASN1_VISIBLESTRING;
 297                         if(!ASN1_STRING_set(nref->organization, cnf->value,
 298                                                  strlen(cnf->value))) goto merr;
 299                 } else if(!strcmp(cnf->name, "noticeNumbers")) {
 300                         NOTICEREF *nref;
 301                         STACK_OF(CONF_VALUE) *nos;
 302                         if(!not->noticeref) {
 303                                 if(!(nref = NOTICEREF_new())) goto merr;
 304                                 not->noticeref = nref;
 305                         } else nref = not->noticeref;
 306                         nos = X509V3_parse_list(cnf->value);
 307                         if(!nos || !sk_CONF_VALUE_num(nos)) {
 308                                 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS);
 309                                 X509V3_conf_err(cnf);
 310                                 goto err;
 311                         }
 312                         ret = nref_nos(nref->noticenos, nos);
 313                         sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
 314                         if (!ret)
 315                                 goto err;
 316                 } else {
 317                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION);
 318                         X509V3_conf_err(cnf);
 319                         goto err;
 320                 }
 321         }
 322
 323         if(not->noticeref &&
 324               (!not->noticeref->noticenos || !not->noticeref->organization)) {
 325                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
 326                         goto err;
 327         }
 328
 329         return qual;
 330
 331         merr:
 332         X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE);
 333
 334         err:
 335         POLICYQUALINFO_free(qual);
 336         return NULL;
 337 }
 338
 339 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
 340 {
 341         CONF_VALUE *cnf;
 342         ASN1_INTEGER *aint;
 343
 344         int i;
 345
 346         for(i = 0; i < sk_CONF_VALUE_num(nos); i++) {
 347                 cnf = sk_CONF_VALUE_value(nos, i);
 348                 if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
 349                         X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER);
 350                         goto err;
 351                 }
 352                 if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr;
 353         }
 354         return 1;
 355
 356         merr:
 357         X509V3err(X509V3_F_NREF_NOS,ERR_R_MALLOC_FAILURE);
 358
 359         err:
 360         sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
 361         return 0;
 362 }
 363
 364
 365 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
 366                 BIO *out, int indent)
 367 {
 368         int i;
 369         POLICYINFO *pinfo;
 370         /* First print out the policy OIDs */
 371         for(i = 0; i < sk_POLICYINFO_num(pol); i++) {
 372                 pinfo = sk_POLICYINFO_value(pol, i);
 373                 BIO_printf(out, "%*sPolicy: ", indent, "");
 374                 i2a_ASN1_OBJECT(out, pinfo->policyid);
 375                 BIO_puts(out, "\n");
 376                 if(pinfo->qualifiers)
 377                          print_qualifiers(out, pinfo->qualifiers, indent + 2);
 378         }
 379         return 1;
 380 }
 381
 382 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
 383                 int indent)
 384 {
 385         POLICYQUALINFO *qualinfo;
 386         int i;
 387         for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
 388                 qualinfo = sk_POLICYQUALINFO_value(quals, i);
 389                 switch(OBJ_obj2nid(qualinfo->pqualid))
 390                 {
 391                         case NID_id_qt_cps:
 392                         BIO_printf(out, "%*sCPS: %s\n", indent, "",
 393                                                 qualinfo->d.cpsuri->data);
 394                         break;
 395
 396                         case NID_id_qt_unotice:
 397                         BIO_printf(out, "%*sUser Notice:\n", indent, "");
 398                         print_notice(out, qualinfo->d.usernotice, indent + 2);
 399                         break;
 400
 401                         default:
 402                         BIO_printf(out, "%*sUnknown Qualifier: ",
 403                                                          indent + 2, "");
 404
 405                         i2a_ASN1_OBJECT(out, qualinfo->pqualid);
 406                         BIO_puts(out, "\n");
 407                         break;
 408                 }
 409         }
 410 }
 411
 412 static void print_notice(BIO *out, USERNOTICE *notice, int indent)
 413 {
 414         int i;
 415         if(notice->noticeref) {
 416                 NOTICEREF *ref;
 417                 ref = notice->noticeref;
 418                 BIO_printf(out, "%*sOrganization: %s\n", indent, "",
 419                                                  ref->organization->data);
 420                 BIO_printf(out, "%*sNumber%s: ", indent, "",
 421                            sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
 422                 for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
 423                         ASN1_INTEGER *num;
 424                         char *tmp;
 425                         num = sk_ASN1_INTEGER_value(ref->noticenos, i);
 426                         if(i) BIO_puts(out, ", ");
 427                         tmp = i2s_ASN1_INTEGER(NULL, num);
 428                         BIO_puts(out, tmp);
 429                         OPENSSL_free(tmp);
 430                 }
 431                 BIO_puts(out, "\n");
 432         }
 433         if(notice->exptext)
 434                 BIO_printf(out, "%*sExplicit Text: %s\n", indent, "",
 435                                                          notice->exptext->data);
 436 }
 437
 438 void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
 439         {
 440         const X509_POLICY_DATA *dat = node->data;
 441
 442         BIO_printf(out, "%*sPolicy: ", indent, "");
 443
 444         i2a_ASN1_OBJECT(out, dat->valid_policy);
 445         BIO_puts(out, "\n");
 446         BIO_printf(out, "%*s%s\n", indent + 2, "",
 447                 node_data_critical(dat) ? "Critical" : "Non Critical");
 448         if (dat->qualifier_set)
 449                 print_qualifiers(out, dat->qualifier_set, indent + 2);
 450         else
 451                 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
 452         }
 453
 454
 455 IMPLEMENT_STACK_OF(X509_POLICY_NODE)
 456 IMPLEMENT_STACK_OF(X509_POLICY_DATA)
 457