crypto/x509v3/v3_crld.c

   1 /* v3_crld.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 1999.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999, 2005 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 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
  67                 STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *extlist);
  68 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
  69                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
  70
  71 X509V3_EXT_METHOD v3_crld = {
  72 NID_crl_distribution_points, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(CRL_DIST_POINTS),
  73 0,0,0,0,
  74 0,0,
  75 (X509V3_EXT_I2V)i2v_crld,
  76 (X509V3_EXT_V2I)v2i_crld,
  77 0,0,
  78 NULL
  79 };
  80
  81 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
  82                         STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
  83 {
  84         DIST_POINT *point;
  85         int i;
  86         for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
  87                 point = sk_DIST_POINT_value(crld, i);
  88                 if(point->distpoint) {
  89                         if(point->distpoint->type == 0)
  90                                 exts = i2v_GENERAL_NAMES(NULL,
  91                                          point->distpoint->name.fullname, exts);
  92                         else X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
  93                 }
  94                 if(point->reasons)
  95                         X509V3_add_value("reasons","<UNSUPPORTED>", &exts);
  96                 if(point->CRLissuer)
  97                         X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);
  98         }
  99         return exts;
 100 }
 101
 102 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
 103                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 104 {
 105         STACK_OF(DIST_POINT) *crld = NULL;
 106         GENERAL_NAMES *gens = NULL;
 107         GENERAL_NAME *gen = NULL;
 108         CONF_VALUE *cnf;
 109         int i;
 110         if(!(crld = sk_DIST_POINT_new_null())) goto merr;
 111         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 112                 DIST_POINT *point;
 113                 cnf = sk_CONF_VALUE_value(nval, i);
 114                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
 115                 if(!(gens = GENERAL_NAMES_new())) goto merr;
 116                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
 117                 gen = NULL;
 118                 if(!(point = DIST_POINT_new())) goto merr;
 119                 if(!sk_DIST_POINT_push(crld, point)) {
 120                         DIST_POINT_free(point);
 121                         goto merr;
 122                 }
 123                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
 124                 point->distpoint->name.fullname = gens;
 125                 point->distpoint->type = 0;
 126                 gens = NULL;
 127         }
 128         return crld;
 129
 130         merr:
 131         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
 132         err:
 133         GENERAL_NAME_free(gen);
 134         GENERAL_NAMES_free(gens);
 135         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
 136         return NULL;
 137 }
 138
 139 IMPLEMENT_STACK_OF(DIST_POINT)
 140 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
 141
 142
 143 ASN1_CHOICE(DIST_POINT_NAME) = {
 144         ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
 145         ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
 146 } ASN1_CHOICE_END(DIST_POINT_NAME)
 147
 148 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
 149
 150 ASN1_SEQUENCE(DIST_POINT) = {
 151         ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
 152         ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
 153         ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
 154 } ASN1_SEQUENCE_END(DIST_POINT)
 155
 156 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
 157
 158 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
 159         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
 160 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
 161
 162 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
 163
 164 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
 165         ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
 166         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
 167         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
 168         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
 169         ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
 170         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
 171 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
 172
 173 static int i2r_idp(X509V3_EXT_METHOD *method,
 174              void *pidp, BIO *out, int indent);
 175
 176 X509V3_EXT_METHOD v3_idp =
 177         {
 178         NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
 179         ASN1_ITEM_ref(ISSUING_DIST_POINT),
 180         0,0,0,0,
 181         0,0,
 182         0,0,
 183         i2r_idp,0,
 184         NULL
 185         };
 186
 187 static const BIT_STRING_BITNAME reason_flags[] = {
 188 {1, "Key Compromise", "keyCompromise"},
 189 {2, "CA Compromise", "CACompromise"},
 190 {3, "Affiliation Changed", "affiliationChanged"},
 191 {4, "Superseded", "superseded"},
 192 {5, "Cessation Of Operation", "cessationOfOperation"},
 193 {6, "Certificate Hold", "certificateHold"},
 194 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
 195 {8, "AA Compromise", "AACompromise"},
 196 {-1, NULL, NULL}
 197 };
 198
 199 static int print_reasons(BIO *out, const char *rname,
 200                         ASN1_BIT_STRING *rflags, int indent)
 201         {
 202         int first = 1;
 203         const BIT_STRING_BITNAME *pbn;
 204         BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
 205         for (pbn = reason_flags; pbn->lname; pbn++)
 206                 {
 207                 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum))
 208                         {
 209                         if (first)
 210                                 first = 0;
 211                         else
 212                                 BIO_puts(out, ",");
 213                         BIO_puts(out, pbn->lname);
 214                         }
 215                 }
 216         if (first)
 217                 BIO_puts(out, "<EMPTY>\n");
 218         else
 219                 BIO_puts(out, "\n");
 220         return 1;
 221         }
 222
 223 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
 224         {
 225         int i;
 226         if (dpn->type == 0)
 227                 {
 228                 STACK_OF(GENERAL_NAME) *gens;
 229                 BIO_printf(out, "%*sFull Name:\n", indent, "");
 230                 gens = dpn->name.fullname;
 231                 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
 232                         {
 233                         BIO_printf(out, "%*s", indent + 2, "");
 234                         GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
 235                         }
 236                 }
 237         else
 238                 {
 239                 X509_NAME ntmp;
 240                 ntmp.entries = dpn->name.relativename;
 241                 BIO_printf(out, "%*sRelative Name:\n%*s",
 242                                                 indent, "", indent + 2, "");
 243                 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
 244                 BIO_puts(out, "\n");
 245                 }
 246         return 1;
 247         }
 248
 249 static int i2r_idp(X509V3_EXT_METHOD *method, void *pidp, BIO *out, int indent)
 250         {
 251         ISSUING_DIST_POINT *idp = pidp;
 252         if (idp->distpoint)
 253                 print_distpoint(out, idp->distpoint, indent);
 254         if (idp->onlyuser > 0)
 255                 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
 256         if (idp->onlyCA > 0)
 257                 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
 258         if (idp->indirectCRL > 0)
 259                 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
 260         if (idp->onlysomereasons)
 261                 print_reasons(out, "Only Some Reasons",
 262                                 idp->onlysomereasons, indent);
 263         if (idp->onlyattr > 0)
 264                 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
 265         if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
 266                 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
 267                 && (idp->onlyattr <= 0))
 268                 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
 269
 270         return 1;
 271         }