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 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/asn1_mac.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,
  73 (X509V3_EXT_NEW)CRL_DIST_POINTS_new,
  74 (X509V3_EXT_FREE)CRL_DIST_POINTS_free,
  75 (X509V3_EXT_D2I)d2i_CRL_DIST_POINTS,
  76 (X509V3_EXT_I2D)i2d_CRL_DIST_POINTS,
  77 NULL, NULL,
  78 (X509V3_EXT_I2V)i2v_crld,
  79 (X509V3_EXT_V2I)v2i_crld,
  80 NULL, NULL, NULL
  81 };
  82
  83 static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
  84                         STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
  85 {
  86         DIST_POINT *point;
  87         int i;
  88         for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
  89                 point = sk_DIST_POINT_value(crld, i);
  90                 if(point->distpoint->fullname) {
  91                         exts = i2v_GENERAL_NAMES(NULL,
  92                                          point->distpoint->fullname, 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                 if(point->distpoint->relativename)
  99                         X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
 100         }
 101         return exts;
 102 }
 103
 104 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
 105                                 X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
 106 {
 107         STACK_OF(DIST_POINT) *crld = NULL;
 108         STACK_OF(GENERAL_NAME) *gens = NULL;
 109         GENERAL_NAME *gen = NULL;
 110         CONF_VALUE *cnf;
 111         int i;
 112         if(!(crld = sk_DIST_POINT_new(NULL))) goto merr;
 113         for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
 114                 DIST_POINT *point;
 115                 cnf = sk_CONF_VALUE_value(nval, i);
 116                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
 117                 if(!(gens = GENERAL_NAMES_new())) goto merr;
 118                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
 119                 gen = NULL;
 120                 if(!(point = DIST_POINT_new())) goto merr;
 121                 if(!sk_DIST_POINT_push(crld, point)) {
 122                         DIST_POINT_free(point);
 123                         goto merr;
 124                 }
 125                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
 126                 point->distpoint->fullname = gens;
 127                 gens = NULL;
 128         }
 129         return crld;
 130
 131         merr:
 132         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
 133         err:
 134         GENERAL_NAME_free(gen);
 135         GENERAL_NAMES_free(gens);
 136         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
 137         return NULL;
 138 }
 139
 140 int i2d_CRL_DIST_POINTS(STACK_OF(DIST_POINT) *a, unsigned char **pp)
 141 {
 142
 143 return i2d_ASN1_SET_OF_DIST_POINT(a, pp, i2d_DIST_POINT, V_ASN1_SEQUENCE,
 144                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);}
 145
 146 STACK_OF(DIST_POINT) *CRL_DIST_POINTS_new(void)
 147 {
 148         return sk_DIST_POINT_new_null();
 149 }
 150
 151 void CRL_DIST_POINTS_free(STACK_OF(DIST_POINT) *a)
 152 {
 153         sk_DIST_POINT_pop_free(a, DIST_POINT_free);
 154 }
 155
 156 STACK_OF(DIST_POINT) *d2i_CRL_DIST_POINTS(STACK_OF(DIST_POINT) **a,
 157                 unsigned char **pp,long length)
 158 {
 159 return d2i_ASN1_SET_OF_DIST_POINT(a, pp, length, d2i_DIST_POINT,
 160                          DIST_POINT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 161
 162 }
 163
 164 IMPLEMENT_STACK_OF(DIST_POINT)
 165 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
 166
 167 int i2d_DIST_POINT(DIST_POINT *a, unsigned char **pp)
 168 {
 169         int v = 0;
 170         M_ASN1_I2D_vars(a);
 171         /* NB: underlying type is a CHOICE so need EXPLICIT tagging */
 172         M_ASN1_I2D_len_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
 173         M_ASN1_I2D_len_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING);
 174         M_ASN1_I2D_len_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES);
 175
 176         M_ASN1_I2D_seq_total();
 177
 178         M_ASN1_I2D_put_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
 179         M_ASN1_I2D_put_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING, 1);
 180         M_ASN1_I2D_put_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES, 2);
 181
 182         M_ASN1_I2D_finish();
 183 }
 184
 185 DIST_POINT *DIST_POINT_new(void)
 186 {
 187         DIST_POINT *ret=NULL;
 188         ASN1_CTX c;
 189         M_ASN1_New_Malloc(ret, DIST_POINT);
 190         ret->distpoint = NULL;
 191         ret->reasons = NULL;
 192         ret->CRLissuer = NULL;
 193         return (ret);
 194         M_ASN1_New_Error(ASN1_F_DIST_POINT_NEW);
 195 }
 196
 197 DIST_POINT *d2i_DIST_POINT(DIST_POINT **a, unsigned char **pp, long length)
 198 {
 199         M_ASN1_D2I_vars(a,DIST_POINT *,DIST_POINT_new);
 200         M_ASN1_D2I_Init();
 201         M_ASN1_D2I_start_sequence();
 202         M_ASN1_D2I_get_EXP_opt (ret->distpoint, d2i_DIST_POINT_NAME, 0);
 203         M_ASN1_D2I_get_IMP_opt (ret->reasons, d2i_ASN1_BIT_STRING, 1,
 204                                                         V_ASN1_BIT_STRING);
 205         M_ASN1_D2I_get_IMP_opt (ret->CRLissuer, d2i_GENERAL_NAMES, 2,
 206                                                         V_ASN1_SEQUENCE);
 207         M_ASN1_D2I_Finish(a, DIST_POINT_free, ASN1_F_D2I_DIST_POINT);
 208 }
 209
 210 void DIST_POINT_free(DIST_POINT *a)
 211 {
 212         if (a == NULL) return;
 213         DIST_POINT_NAME_free(a->distpoint);
 214         ASN1_BIT_STRING_free(a->reasons);
 215         sk_GENERAL_NAME_pop_free(a->CRLissuer, GENERAL_NAME_free);
 216         Free ((char *)a);
 217 }
 218
 219 int i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **pp)
 220 {
 221         int v = 0;
 222         M_ASN1_I2D_vars(a);
 223
 224         if(a->fullname) {
 225                 M_ASN1_I2D_len_IMP_opt (a->fullname, i2d_GENERAL_NAMES);
 226         } else {
 227                 M_ASN1_I2D_len_EXP_opt (a->relativename, i2d_X509_NAME, 1, v);
 228         }
 229
 230         /* Don't want a SEQUENCE so... */
 231         if(pp == NULL) return ret;
 232         p = *pp;
 233
 234         if(a->fullname) {
 235                 M_ASN1_I2D_put_IMP_opt (a->fullname, i2d_GENERAL_NAMES, 0);
 236         } else {
 237                 M_ASN1_I2D_put_EXP_opt (a->relativename, i2d_X509_NAME, 1, v);
 238         }
 239         M_ASN1_I2D_finish();
 240 }
 241
 242 DIST_POINT_NAME *DIST_POINT_NAME_new(void)
 243 {
 244         DIST_POINT_NAME *ret=NULL;
 245         ASN1_CTX c;
 246         M_ASN1_New_Malloc(ret, DIST_POINT_NAME);
 247         ret->fullname = NULL;
 248         ret->relativename = NULL;
 249         return (ret);
 250         M_ASN1_New_Error(ASN1_F_DIST_POINT_NAME_NEW);
 251 }
 252
 253 void DIST_POINT_NAME_free(DIST_POINT_NAME *a)
 254 {
 255         if (a == NULL) return;
 256         X509_NAME_free(a->relativename);
 257         sk_GENERAL_NAME_pop_free(a->fullname, GENERAL_NAME_free);
 258         Free ((char *)a);
 259 }
 260
 261 DIST_POINT_NAME *d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, unsigned char **pp,
 262              long length)
 263 {
 264         unsigned char _tmp, tag;
 265         M_ASN1_D2I_vars(a,DIST_POINT_NAME *,DIST_POINT_NAME_new);
 266         M_ASN1_D2I_Init();
 267         c.slen = length;
 268
 269         _tmp = M_ASN1_next;
 270         tag = _tmp & ~V_ASN1_CONSTRUCTED;
 271
 272         if(tag == (0|V_ASN1_CONTEXT_SPECIFIC)) {
 273                 M_ASN1_D2I_get_imp(ret->fullname, d2i_GENERAL_NAMES,
 274                                                         V_ASN1_SEQUENCE);
 275         } else if (tag == (1|V_ASN1_CONTEXT_SPECIFIC)) {
 276                 M_ASN1_D2I_get_EXP_opt (ret->relativename, d2i_X509_NAME, 1);
 277         } else {
 278                 c.error = ASN1_R_BAD_TAG;
 279                 goto err;
 280         }
 281
 282         M_ASN1_D2I_Finish(a, DIST_POINT_NAME_free, ASN1_F_D2I_DIST_POINT_NAME);
 283 }