crypto/openssl-0.9/crypto/x509v3/v3_cpols.c

   1 /* v3_cpols.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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                 sk_POLICYINFO_push(pols, pol);
 185         }
 186         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 187         return pols;
 188         err:
 189         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 190         sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
 191         return NULL;
 192 }
 193
 194 static POLICYINFO *policy_section(X509V3_CTX *ctx,
 195                                 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
 196 {
 197         int i;
 198         CONF_VALUE *cnf;
 199         POLICYINFO *pol;
 200         POLICYQUALINFO *qual;
 201         if(!(pol = POLICYINFO_new())) goto merr;
 202         for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
 203                 cnf = sk_CONF_VALUE_value(polstrs, i);
 204                 if(!strcmp(cnf->name, "policyIdentifier")) {
 205                         ASN1_OBJECT *pobj;
 206                         if(!(pobj = OBJ_txt2obj(cnf->value, 0))) {
 207                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 208                                 X509V3_conf_err(cnf);
 209                                 goto err;
 210                         }
 211                         pol->policyid = pobj;
 212
 213                 } else if(!name_cmp(cnf->name, "CPS")) {
 214                         if(!pol->qualifiers) pol->qualifiers =
 215                                                  sk_POLICYQUALINFO_new_null();
 216                         if(!(qual = POLICYQUALINFO_new())) goto merr;
 217                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 218                                                                  goto merr;
 219                         qual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
 220                         qual->d.cpsuri = M_ASN1_IA5STRING_new();
 221                         if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
 222                                                  strlen(cnf->value))) goto merr;
 223                 } else if(!name_cmp(cnf->name, "userNotice")) {
 224                         STACK_OF(CONF_VALUE) *unot;
 225                         if(*cnf->value != '@') {
 226                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME);
 227                                 X509V3_conf_err(cnf);
 228                                 goto err;
 229                         }
 230                         unot = X509V3_get_section(ctx, cnf->value + 1);
 231                         if(!unot) {
 232                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION);
 233
 234                                 X509V3_conf_err(cnf);
 235                                 goto err;
 236                         }
 237                         qual = notice_section(ctx, unot, ia5org);
 238                         X509V3_section_free(ctx, unot);
 239                         if(!qual) goto err;
 240                         if(!pol->qualifiers) pol->qualifiers =
 241                                                  sk_POLICYQUALINFO_new_null();
 242                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 243                                                                  goto merr;
 244                 } else {
 245                         X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION);
 246
 247                         X509V3_conf_err(cnf);
 248                         goto err;
 249                 }
 250         }
 251         if(!pol->policyid) {
 252                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER);
 253                 goto err;
 254         }
 255
 256         return pol;
 257
 258         merr:
 259         X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE);
 260
 261         err:
 262         POLICYINFO_free(pol);
 263         return NULL;
 264
 265
 266 }
 267
 268 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
 269                                         STACK_OF(CONF_VALUE) *unot, int ia5org)
 270 {
 271         int i, ret;
 272         CONF_VALUE *cnf;
 273         USERNOTICE *not;
 274         POLICYQUALINFO *qual;
 275         if(!(qual = POLICYQUALINFO_new())) goto merr;
 276         qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
 277         if(!(not = USERNOTICE_new())) goto merr;
 278         qual->d.usernotice = not;
 279         for(i = 0; i < sk_CONF_VALUE_num(unot); i++) {
 280                 cnf = sk_CONF_VALUE_value(unot, i);
 281                 if(!strcmp(cnf->name, "explicitText")) {
 282                         not->exptext = M_ASN1_VISIBLESTRING_new();
 283                         if(!ASN1_STRING_set(not->exptext, cnf->value,
 284                                                  strlen(cnf->value))) goto merr;
 285                 } else if(!strcmp(cnf->name, "organization")) {
 286                         NOTICEREF *nref;
 287                         if(!not->noticeref) {
 288                                 if(!(nref = NOTICEREF_new())) goto merr;
 289                                 not->noticeref = nref;
 290                         } else nref = not->noticeref;
 291                         if(ia5org) nref->organization->type = V_ASN1_IA5STRING;
 292                         else nref->organization->type = V_ASN1_VISIBLESTRING;
 293                         if(!ASN1_STRING_set(nref->organization, cnf->value,
 294                                                  strlen(cnf->value))) goto merr;
 295                 } else if(!strcmp(cnf->name, "noticeNumbers")) {
 296                         NOTICEREF *nref;
 297                         STACK_OF(CONF_VALUE) *nos;
 298                         if(!not->noticeref) {
 299                                 if(!(nref = NOTICEREF_new())) goto merr;
 300                                 not->noticeref = nref;
 301                         } else nref = not->noticeref;
 302                         nos = X509V3_parse_list(cnf->value);
 303                         if(!nos || !sk_CONF_VALUE_num(nos)) {
 304                                 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS);
 305                                 X509V3_conf_err(cnf);
 306                                 goto err;
 307                         }
 308                         ret = nref_nos(nref->noticenos, nos);
 309                         sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
 310                         if (!ret)
 311                                 goto err;
 312                 } else {
 313                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION);
 314                         X509V3_conf_err(cnf);
 315                         goto err;
 316                 }
 317         }
 318
 319         if(not->noticeref &&
 320               (!not->noticeref->noticenos || !not->noticeref->organization)) {
 321                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
 322                         goto err;
 323         }
 324
 325         return qual;
 326
 327         merr:
 328         X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE);
 329
 330         err:
 331         POLICYQUALINFO_free(qual);
 332         return NULL;
 333 }
 334
 335 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
 336 {
 337         CONF_VALUE *cnf;
 338         ASN1_INTEGER *aint;
 339
 340         int i;
 341
 342         for(i = 0; i < sk_CONF_VALUE_num(nos); i++) {
 343                 cnf = sk_CONF_VALUE_value(nos, i);
 344                 if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
 345                         X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER);
 346                         goto err;
 347                 }
 348                 if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr;
 349         }
 350         return 1;
 351
 352         merr:
 353         X509V3err(X509V3_F_NREF_NOS,ERR_R_MALLOC_FAILURE);
 354
 355         err:
 356         sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
 357         return 0;
 358 }
 359
 360
 361 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
 362                 BIO *out, int indent)
 363 {
 364         int i;
 365         POLICYINFO *pinfo;
 366         /* First print out the policy OIDs */
 367         for(i = 0; i < sk_POLICYINFO_num(pol); i++) {
 368                 pinfo = sk_POLICYINFO_value(pol, i);
 369                 BIO_printf(out, "%*sPolicy: ", indent, "");
 370                 i2a_ASN1_OBJECT(out, pinfo->policyid);
 371                 BIO_puts(out, "\n");
 372                 if(pinfo->qualifiers)
 373                          print_qualifiers(out, pinfo->qualifiers, indent + 2);
 374         }
 375         return 1;
 376 }
 377
 378 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
 379                 int indent)
 380 {
 381         POLICYQUALINFO *qualinfo;
 382         int i;
 383         for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
 384                 qualinfo = sk_POLICYQUALINFO_value(quals, i);
 385                 switch(OBJ_obj2nid(qualinfo->pqualid))
 386                 {
 387                         case NID_id_qt_cps:
 388                         BIO_printf(out, "%*sCPS: %s\n", indent, "",
 389                                                 qualinfo->d.cpsuri->data);
 390                         break;
 391
 392                         case NID_id_qt_unotice:
 393                         BIO_printf(out, "%*sUser Notice:\n", indent, "");
 394                         print_notice(out, qualinfo->d.usernotice, indent + 2);
 395                         break;
 396
 397                         default:
 398                         BIO_printf(out, "%*sUnknown Qualifier: ",
 399                                                          indent + 2, "");
 400
 401                         i2a_ASN1_OBJECT(out, qualinfo->pqualid);
 402                         BIO_puts(out, "\n");
 403                         break;
 404                 }
 405         }
 406 }
 407
 408 static void print_notice(BIO *out, USERNOTICE *notice, int indent)
 409 {
 410         int i;
 411         if(notice->noticeref) {
 412                 NOTICEREF *ref;
 413                 ref = notice->noticeref;
 414                 BIO_printf(out, "%*sOrganization: %s\n", indent, "",
 415                                                  ref->organization->data);
 416                 BIO_printf(out, "%*sNumber%s: ", indent, "",
 417                            sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
 418                 for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
 419                         ASN1_INTEGER *num;
 420                         char *tmp;
 421                         num = sk_ASN1_INTEGER_value(ref->noticenos, i);
 422                         if(i) BIO_puts(out, ", ");
 423                         tmp = i2s_ASN1_INTEGER(NULL, num);
 424                         BIO_puts(out, tmp);
 425                         OPENSSL_free(tmp);
 426                 }
 427                 BIO_puts(out, "\n");
 428         }
 429         if(notice->exptext)
 430                 BIO_printf(out, "%*sExplicit Text: %s\n", indent, "",
 431                                                          notice->exptext->data);
 432 }
 433
 434 void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
 435         {
 436         const X509_POLICY_DATA *dat = node->data;
 437
 438         BIO_printf(out, "%*sPolicy: ", indent, "");
 439
 440         i2a_ASN1_OBJECT(out, dat->valid_policy);
 441         BIO_puts(out, "\n");
 442         BIO_printf(out, "%*s%s\n", indent + 2, "",
 443                 node_data_critical(dat) ? "Critical" : "Non Critical");
 444         if (dat->qualifier_set)
 445                 print_qualifiers(out, dat->qualifier_set, indent + 2);
 446         else
 447                 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
 448         }
 449