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(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
  67                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
  68 static int i2r_crldp(X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
  69                                                                 int indent);
  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 0,
  76 (X509V3_EXT_V2I)v2i_crld,
  77 i2r_crldp,0,
  78 NULL
  79 };
  80
  81 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
  82                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
  83 {
  84         STACK_OF(DIST_POINT) *crld = NULL;
  85         GENERAL_NAMES *gens = NULL;
  86         GENERAL_NAME *gen = NULL;
  87         CONF_VALUE *cnf;
  88         int i;
  89         if(!(crld = sk_DIST_POINT_new_null())) goto merr;
  90         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
  91                 DIST_POINT *point;
  92                 cnf = sk_CONF_VALUE_value(nval, i);
  93                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
  94                 if(!(gens = GENERAL_NAMES_new())) goto merr;
  95                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
  96                 gen = NULL;
  97                 if(!(point = DIST_POINT_new())) goto merr;
  98                 if(!sk_DIST_POINT_push(crld, point)) {
  99                         DIST_POINT_free(point);
 100                         goto merr;
 101                 }
 102                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
 103                 point->distpoint->name.fullname = gens;
 104                 point->distpoint->type = 0;
 105                 gens = NULL;
 106         }
 107         return crld;
 108
 109         merr:
 110         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
 111         err:
 112         GENERAL_NAME_free(gen);
 113         GENERAL_NAMES_free(gens);
 114         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
 115         return NULL;
 116 }
 117
 118 IMPLEMENT_STACK_OF(DIST_POINT)
 119 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
 120
 121
 122 ASN1_CHOICE(DIST_POINT_NAME) = {
 123         ASN1_IMP_SEQUENCE_OF(DIST_POINT_NAME, name.fullname, GENERAL_NAME, 0),
 124         ASN1_IMP_SET_OF(DIST_POINT_NAME, name.relativename, X509_NAME_ENTRY, 1)
 125 } ASN1_CHOICE_END(DIST_POINT_NAME)
 126
 127 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT_NAME)
 128
 129 ASN1_SEQUENCE(DIST_POINT) = {
 130         ASN1_EXP_OPT(DIST_POINT, distpoint, DIST_POINT_NAME, 0),
 131         ASN1_IMP_OPT(DIST_POINT, reasons, ASN1_BIT_STRING, 1),
 132         ASN1_IMP_SEQUENCE_OF_OPT(DIST_POINT, CRLissuer, GENERAL_NAME, 2)
 133 } ASN1_SEQUENCE_END(DIST_POINT)
 134
 135 IMPLEMENT_ASN1_FUNCTIONS(DIST_POINT)
 136
 137 ASN1_ITEM_TEMPLATE(CRL_DIST_POINTS) =
 138         ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, CRLDistributionPoints, DIST_POINT)
 139 ASN1_ITEM_TEMPLATE_END(CRL_DIST_POINTS)
 140
 141 IMPLEMENT_ASN1_FUNCTIONS(CRL_DIST_POINTS)
 142
 143 ASN1_SEQUENCE(ISSUING_DIST_POINT) = {
 144         ASN1_EXP_OPT(ISSUING_DIST_POINT, distpoint, DIST_POINT_NAME, 0),
 145         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyuser, ASN1_FBOOLEAN, 1),
 146         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyCA, ASN1_FBOOLEAN, 2),
 147         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlysomereasons, ASN1_BIT_STRING, 3),
 148         ASN1_IMP_OPT(ISSUING_DIST_POINT, indirectCRL, ASN1_FBOOLEAN, 4),
 149         ASN1_IMP_OPT(ISSUING_DIST_POINT, onlyattr, ASN1_FBOOLEAN, 5)
 150 } ASN1_SEQUENCE_END(ISSUING_DIST_POINT)
 151
 152 static int i2r_idp(X509V3_EXT_METHOD *method,
 153              void *pidp, BIO *out, int indent);
 154
 155 X509V3_EXT_METHOD v3_idp =
 156         {
 157         NID_issuing_distribution_point, X509V3_EXT_MULTILINE,
 158         ASN1_ITEM_ref(ISSUING_DIST_POINT),
 159         0,0,0,0,
 160         0,0,
 161         0,0,
 162         i2r_idp,0,
 163         NULL
 164         };
 165
 166 static const BIT_STRING_BITNAME reason_flags[] = {
 167 {1, "Key Compromise", "keyCompromise"},
 168 {2, "CA Compromise", "CACompromise"},
 169 {3, "Affiliation Changed", "affiliationChanged"},
 170 {4, "Superseded", "superseded"},
 171 {5, "Cessation Of Operation", "cessationOfOperation"},
 172 {6, "Certificate Hold", "certificateHold"},
 173 {7, "Privilege Withdrawn", "privilegeWithdrawn"},
 174 {8, "AA Compromise", "AACompromise"},
 175 {-1, NULL, NULL}
 176 };
 177
 178 static int print_reasons(BIO *out, const char *rname,
 179                         ASN1_BIT_STRING *rflags, int indent)
 180         {
 181         int first = 1;
 182         const BIT_STRING_BITNAME *pbn;
 183         BIO_printf(out, "%*s%s:\n%*s", indent, "", rname, indent + 2, "");
 184         for (pbn = reason_flags; pbn->lname; pbn++)
 185                 {
 186                 if (ASN1_BIT_STRING_get_bit(rflags, pbn->bitnum))
 187                         {
 188                         if (first)
 189                                 first = 0;
 190                         else
 191                                 BIO_puts(out, ", ");
 192                         BIO_puts(out, pbn->lname);
 193                         }
 194                 }
 195         if (first)
 196                 BIO_puts(out, "<EMPTY>\n");
 197         else
 198                 BIO_puts(out, "\n");
 199         return 1;
 200         }
 201
 202 static int print_gens(BIO *out, STACK_OF(GENERAL_NAME) *gens, int indent)
 203         {
 204         int i;
 205         for (i = 0; i < sk_GENERAL_NAME_num(gens); i++)
 206                 {
 207                 BIO_printf(out, "%*s", indent + 2, "");
 208                 GENERAL_NAME_print(out, sk_GENERAL_NAME_value(gens, i));
 209                 BIO_puts(out, "\n");
 210                 }
 211         return 1;
 212         }
 213
 214 static int print_distpoint(BIO *out, DIST_POINT_NAME *dpn, int indent)
 215         {
 216         if (dpn->type == 0)
 217                 {
 218                 BIO_printf(out, "%*sFull Name:\n", indent, "");
 219                 print_gens(out, dpn->name.fullname, indent + 2);
 220                 }
 221         else
 222                 {
 223                 X509_NAME ntmp;
 224                 ntmp.entries = dpn->name.relativename;
 225                 BIO_printf(out, "%*sRelative Name:\n%*s",
 226                                                 indent, "", indent + 2, "");
 227                 X509_NAME_print_ex(out, &ntmp, 0, XN_FLAG_ONELINE);
 228                 BIO_puts(out, "\n");
 229                 }
 230         return 1;
 231         }
 232
 233 static int i2r_idp(X509V3_EXT_METHOD *method, void *pidp, BIO *out, int indent)
 234         {
 235         ISSUING_DIST_POINT *idp = pidp;
 236         if (idp->distpoint)
 237                 print_distpoint(out, idp->distpoint, indent);
 238         if (idp->onlyuser > 0)
 239                 BIO_printf(out, "%*sOnly User Certificates\n", indent, "");
 240         if (idp->onlyCA > 0)
 241                 BIO_printf(out, "%*sOnly CA Certificates\n", indent, "");
 242         if (idp->indirectCRL > 0)
 243                 BIO_printf(out, "%*sIndirect CRL\n", indent, "");
 244         if (idp->onlysomereasons)
 245                 print_reasons(out, "Only Some Reasons",
 246                                 idp->onlysomereasons, indent);
 247         if (idp->onlyattr > 0)
 248                 BIO_printf(out, "%*sOnly Attribute Certificates\n", indent, "");
 249         if (!idp->distpoint && (idp->onlyuser <= 0) && (idp->onlyCA <= 0)
 250                 && (idp->indirectCRL <= 0) && !idp->onlysomereasons
 251                 && (idp->onlyattr <= 0))
 252                 BIO_printf(out, "%*s<EMPTY>\n", indent, "");
 253
 254         return 1;
 255         }
 256
 257 static int i2r_crldp(X509V3_EXT_METHOD *method, void *pcrldp, BIO *out,
 258                                                                 int indent)
 259         {
 260         STACK_OF(DIST_POINT) *crld = pcrldp;
 261         DIST_POINT *point;
 262         int i;
 263         for(i = 0; i < sk_DIST_POINT_num(crld); i++)
 264                 {
 265                 point = sk_DIST_POINT_value(crld, i);
 266                 if(point->distpoint)
 267                         print_distpoint(out, point->distpoint, indent + 2);
 268                 if(point->reasons)
 269                         print_reasons(out, "Reasons", point->reasons,
 270                                                                 indent + 2);
 271                 if(point->CRLissuer)
 272                         {
 273                         BIO_printf(out, "%*sCRL Issuer:\n", indent, "");
 274                         print_gens(out, point->CRLissuer, indent + 2);
 275                         }
 276                 }
 277         return 1;
 278         }