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 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         vals =  X509V3_parse_list(value);
 143         ia5org = 0;
 144         for(i = 0; i < sk_CONF_VALUE_num(vals); i++) {
 145                 cnf = sk_CONF_VALUE_value(vals, i);
 146                 if(cnf->value || !cnf->name ) {
 147                         X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_POLICY_IDENTIFIER);
 148                         X509V3_conf_err(cnf);
 149                         goto err;
 150                 }
 151                 pstr = cnf->name;
 152                 if(!strcmp(pstr,"ia5org")) {
 153                         ia5org = 1;
 154                         continue;
 155                 } else if(*pstr == '@') {
 156                         STACK_OF(CONF_VALUE) *polsect;
 157                         polsect = X509V3_get_section(ctx, pstr + 1);
 158                         if(!polsect) {
 159                                 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_SECTION);
 160
 161                                 X509V3_conf_err(cnf);
 162                                 goto err;
 163                         }
 164                         pol = policy_section(ctx, polsect, ia5org);
 165                         X509V3_section_free(ctx, polsect);
 166                         if(!pol) goto err;
 167                 } else {
 168                         if(!(pobj = OBJ_txt2obj(cnf->name, 0))) {
 169                                 X509V3err(X509V3_F_R2I_CERTPOL,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 170                                 X509V3_conf_err(cnf);
 171                                 goto err;
 172                         }
 173                         pol = POLICYINFO_new();
 174                         pol->policyid = pobj;
 175                 }
 176                 sk_POLICYINFO_push(pols, pol);
 177         }
 178         sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
 179         return pols;
 180         err:
 181         sk_POLICYINFO_pop_free(pols, POLICYINFO_free);
 182         return NULL;
 183 }
 184
 185 static POLICYINFO *policy_section(X509V3_CTX *ctx,
 186                                 STACK_OF(CONF_VALUE) *polstrs, int ia5org)
 187 {
 188         int i;
 189         CONF_VALUE *cnf;
 190         POLICYINFO *pol;
 191         POLICYQUALINFO *qual;
 192         if(!(pol = POLICYINFO_new())) goto merr;
 193         for(i = 0; i < sk_CONF_VALUE_num(polstrs); i++) {
 194                 cnf = sk_CONF_VALUE_value(polstrs, i);
 195                 if(!strcmp(cnf->name, "policyIdentifier")) {
 196                         ASN1_OBJECT *pobj;
 197                         if(!(pobj = OBJ_txt2obj(cnf->value, 0))) {
 198                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OBJECT_IDENTIFIER);
 199                                 X509V3_conf_err(cnf);
 200                                 goto err;
 201                         }
 202                         pol->policyid = pobj;
 203
 204                 } else if(!name_cmp(cnf->name, "CPS")) {
 205                         if(!pol->qualifiers) pol->qualifiers =
 206                                                  sk_POLICYQUALINFO_new_null();
 207                         if(!(qual = POLICYQUALINFO_new())) goto merr;
 208                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 209                                                                  goto merr;
 210                         qual->pqualid = OBJ_nid2obj(NID_id_qt_cps);
 211                         qual->d.cpsuri = M_ASN1_IA5STRING_new();
 212                         if(!ASN1_STRING_set(qual->d.cpsuri, cnf->value,
 213                                                  strlen(cnf->value))) goto merr;
 214                 } else if(!name_cmp(cnf->name, "userNotice")) {
 215                         STACK_OF(CONF_VALUE) *unot;
 216                         if(*cnf->value != '@') {
 217                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_EXPECTED_A_SECTION_NAME);
 218                                 X509V3_conf_err(cnf);
 219                                 goto err;
 220                         }
 221                         unot = X509V3_get_section(ctx, cnf->value + 1);
 222                         if(!unot) {
 223                                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_SECTION);
 224
 225                                 X509V3_conf_err(cnf);
 226                                 goto err;
 227                         }
 228                         qual = notice_section(ctx, unot, ia5org);
 229                         X509V3_section_free(ctx, unot);
 230                         if(!qual) goto err;
 231                         if(!pol->qualifiers) pol->qualifiers =
 232                                                  sk_POLICYQUALINFO_new_null();
 233                         if(!sk_POLICYQUALINFO_push(pol->qualifiers, qual))
 234                                                                  goto merr;
 235                 } else {
 236                         X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_INVALID_OPTION);
 237
 238                         X509V3_conf_err(cnf);
 239                         goto err;
 240                 }
 241         }
 242         if(!pol->policyid) {
 243                 X509V3err(X509V3_F_POLICY_SECTION,X509V3_R_NO_POLICY_IDENTIFIER);
 244                 goto err;
 245         }
 246
 247         return pol;
 248
 249         merr:
 250         X509V3err(X509V3_F_POLICY_SECTION,ERR_R_MALLOC_FAILURE);
 251
 252         err:
 253         POLICYINFO_free(pol);
 254         return NULL;
 255
 256
 257 }
 258
 259 static POLICYQUALINFO *notice_section(X509V3_CTX *ctx,
 260                                         STACK_OF(CONF_VALUE) *unot, int ia5org)
 261 {
 262         int i, ret;
 263         CONF_VALUE *cnf;
 264         USERNOTICE *not;
 265         POLICYQUALINFO *qual;
 266         if(!(qual = POLICYQUALINFO_new())) goto merr;
 267         qual->pqualid = OBJ_nid2obj(NID_id_qt_unotice);
 268         if(!(not = USERNOTICE_new())) goto merr;
 269         qual->d.usernotice = not;
 270         for(i = 0; i < sk_CONF_VALUE_num(unot); i++) {
 271                 cnf = sk_CONF_VALUE_value(unot, i);
 272                 if(!strcmp(cnf->name, "explicitText")) {
 273                         not->exptext = M_ASN1_VISIBLESTRING_new();
 274                         if(!ASN1_STRING_set(not->exptext, cnf->value,
 275                                                  strlen(cnf->value))) goto merr;
 276                 } else if(!strcmp(cnf->name, "organization")) {
 277                         NOTICEREF *nref;
 278                         if(!not->noticeref) {
 279                                 if(!(nref = NOTICEREF_new())) goto merr;
 280                                 not->noticeref = nref;
 281                         } else nref = not->noticeref;
 282                         if(ia5org) nref->organization->type = V_ASN1_IA5STRING;
 283                         else nref->organization->type = V_ASN1_VISIBLESTRING;
 284                         if(!ASN1_STRING_set(nref->organization, cnf->value,
 285                                                  strlen(cnf->value))) goto merr;
 286                 } else if(!strcmp(cnf->name, "noticeNumbers")) {
 287                         NOTICEREF *nref;
 288                         STACK_OF(CONF_VALUE) *nos;
 289                         if(!not->noticeref) {
 290                                 if(!(nref = NOTICEREF_new())) goto merr;
 291                                 not->noticeref = nref;
 292                         } else nref = not->noticeref;
 293                         nos = X509V3_parse_list(cnf->value);
 294                         if(!nos || !sk_CONF_VALUE_num(nos)) {
 295                                 X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_NUMBERS);
 296                                 X509V3_conf_err(cnf);
 297                                 goto err;
 298                         }
 299                         ret = nref_nos(nref->noticenos, nos);
 300                         sk_CONF_VALUE_pop_free(nos, X509V3_conf_free);
 301                         if (!ret)
 302                                 goto err;
 303                 } else {
 304                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_INVALID_OPTION);
 305                         X509V3_conf_err(cnf);
 306                         goto err;
 307                 }
 308         }
 309
 310         if(not->noticeref &&
 311               (!not->noticeref->noticenos || !not->noticeref->organization)) {
 312                         X509V3err(X509V3_F_NOTICE_SECTION,X509V3_R_NEED_ORGANIZATION_AND_NUMBERS);
 313                         goto err;
 314         }
 315
 316         return qual;
 317
 318         merr:
 319         X509V3err(X509V3_F_NOTICE_SECTION,ERR_R_MALLOC_FAILURE);
 320
 321         err:
 322         POLICYQUALINFO_free(qual);
 323         return NULL;
 324 }
 325
 326 static int nref_nos(STACK_OF(ASN1_INTEGER) *nnums, STACK_OF(CONF_VALUE) *nos)
 327 {
 328         CONF_VALUE *cnf;
 329         ASN1_INTEGER *aint;
 330
 331         int i;
 332
 333         for(i = 0; i < sk_CONF_VALUE_num(nos); i++) {
 334                 cnf = sk_CONF_VALUE_value(nos, i);
 335                 if(!(aint = s2i_ASN1_INTEGER(NULL, cnf->name))) {
 336                         X509V3err(X509V3_F_NREF_NOS,X509V3_R_INVALID_NUMBER);
 337                         goto err;
 338                 }
 339                 if(!sk_ASN1_INTEGER_push(nnums, aint)) goto merr;
 340         }
 341         return 1;
 342
 343         merr:
 344         X509V3err(X509V3_F_NREF_NOS,ERR_R_MALLOC_FAILURE);
 345
 346         err:
 347         sk_ASN1_INTEGER_pop_free(nnums, ASN1_STRING_free);
 348         return 0;
 349 }
 350
 351
 352 static int i2r_certpol(X509V3_EXT_METHOD *method, STACK_OF(POLICYINFO) *pol,
 353                 BIO *out, int indent)
 354 {
 355         int i;
 356         POLICYINFO *pinfo;
 357         /* First print out the policy OIDs */
 358         for(i = 0; i < sk_POLICYINFO_num(pol); i++) {
 359                 pinfo = sk_POLICYINFO_value(pol, i);
 360                 BIO_printf(out, "%*sPolicy: ", indent, "");
 361                 i2a_ASN1_OBJECT(out, pinfo->policyid);
 362                 BIO_puts(out, "\n");
 363                 if(pinfo->qualifiers)
 364                          print_qualifiers(out, pinfo->qualifiers, indent + 2);
 365         }
 366         return 1;
 367 }
 368
 369 static void print_qualifiers(BIO *out, STACK_OF(POLICYQUALINFO) *quals,
 370                 int indent)
 371 {
 372         POLICYQUALINFO *qualinfo;
 373         int i;
 374         for(i = 0; i < sk_POLICYQUALINFO_num(quals); i++) {
 375                 qualinfo = sk_POLICYQUALINFO_value(quals, i);
 376                 switch(OBJ_obj2nid(qualinfo->pqualid))
 377                 {
 378                         case NID_id_qt_cps:
 379                         BIO_printf(out, "%*sCPS: %s\n", indent, "",
 380                                                 qualinfo->d.cpsuri->data);
 381                         break;
 382
 383                         case NID_id_qt_unotice:
 384                         BIO_printf(out, "%*sUser Notice:\n", indent, "");
 385                         print_notice(out, qualinfo->d.usernotice, indent + 2);
 386                         break;
 387
 388                         default:
 389                         BIO_printf(out, "%*sUnknown Qualifier: ",
 390                                                          indent + 2, "");
 391
 392                         i2a_ASN1_OBJECT(out, qualinfo->pqualid);
 393                         BIO_puts(out, "\n");
 394                         break;
 395                 }
 396         }
 397 }
 398
 399 static void print_notice(BIO *out, USERNOTICE *notice, int indent)
 400 {
 401         int i;
 402         if(notice->noticeref) {
 403                 NOTICEREF *ref;
 404                 ref = notice->noticeref;
 405                 BIO_printf(out, "%*sOrganization: %s\n", indent, "",
 406                                                  ref->organization->data);
 407                 BIO_printf(out, "%*sNumber%s: ", indent, "",
 408                            sk_ASN1_INTEGER_num(ref->noticenos) > 1 ? "s" : "");
 409                 for(i = 0; i < sk_ASN1_INTEGER_num(ref->noticenos); i++) {
 410                         ASN1_INTEGER *num;
 411                         char *tmp;
 412                         num = sk_ASN1_INTEGER_value(ref->noticenos, i);
 413                         if(i) BIO_puts(out, ", ");
 414                         tmp = i2s_ASN1_INTEGER(NULL, num);
 415                         BIO_puts(out, tmp);
 416                         OPENSSL_free(tmp);
 417                 }
 418                 BIO_puts(out, "\n");
 419         }
 420         if(notice->exptext)
 421                 BIO_printf(out, "%*sExplicit Text: %s\n", indent, "",
 422                                                          notice->exptext->data);
 423 }
 424
 425 void X509_POLICY_NODE_print(BIO *out, X509_POLICY_NODE *node, int indent)
 426         {
 427         const X509_POLICY_DATA *dat = node->data;
 428
 429         BIO_printf(out, "%*sPolicy: ", indent, "");
 430
 431         i2a_ASN1_OBJECT(out, dat->valid_policy);
 432         BIO_puts(out, "\n");
 433         BIO_printf(out, "%*s%s\n", indent + 2, "",
 434                 node_data_critical(dat) ? "Critical" : "Non Critical");
 435         if (dat->qualifier_set)
 436                 print_qualifiers(out, dat->qualifier_set, indent + 2);
 437         else
 438                 BIO_printf(out, "%*sNo Qualifiers\n", indent + 2, "");
 439         }
 440