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 "conf.h"
  62 #include "asn1.h"
  63 #include "asn1_mac.h"
  64 #include "x509v3.h"
  65
  66 static STACK *i2v_crld(X509V3_EXT_METHOD *method, STACK_OF(DIST_POINT) *crld,
  67                                                          STACK *extlist);
  68 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
  69                                                  X509V3_CTX *ctx, STACK *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 CRL_DIST_POINTS_free,
  75 (X509V3_EXT_D2I)d2i_CRL_DIST_POINTS,
  76 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 /*
  84  * ASN1err(ASN1_F_DIST_POINT_NEW,ERR_R_MALLOC_FAILURE);
  85  * ASN1err(ASN1_F_D2I_DIST_POINT,ERR_R_MALLOC_FAILURE);
  86  * ASN1err(ASN1_F_DIST_POINT_NAME_NEW,ERR_R_MALLOC_FAILURE);
  87  * ASN1err(ASN1_F_D2I_DIST_POINT_NAME,ERR_R_MALLOC_FAILURE);
  88  */
  89
  90 static STACK *i2v_crld(X509V3_EXT_METHOD *method, STACK_OF(DIST_POINT) *crld,
  91                                                                  STACK *exts)
  92 {
  93         DIST_POINT *point;
  94         int i;
  95         for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
  96                 point = sk_DIST_POINT_value(crld, i);
  97                 if(point->distpoint->fullname) {
  98                         exts = i2v_GENERAL_NAMES(NULL,
  99                                          point->distpoint->fullname, exts);
 100                 }
 101                 if(point->reasons)
 102                         X509V3_add_value("reasons","<UNSUPPORTED>", &exts);
 103                 if(point->CRLissuer)
 104                         X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);
 105                 if(point->distpoint->relativename)
 106                         X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
 107         }
 108         return exts;
 109 }
 110
 111 static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
 112                                                  X509V3_CTX *ctx, STACK *nval)
 113 {
 114         STACK_OF(DIST_POINT) *crld = NULL;
 115         STACK_OF(GENERAL_NAME) *gens = NULL;
 116         GENERAL_NAME *gen = NULL;
 117         CONF_VALUE *cnf;
 118         int i;
 119         if(!(crld = sk_DIST_POINT_new(NULL))) goto merr;
 120         for(i = 0; i < sk_num(nval); i++) {
 121                 DIST_POINT *point;
 122                 cnf = (CONF_VALUE *)sk_value(nval, i);
 123                 if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
 124                 if(!(gens = GENERAL_NAMES_new())) goto merr;
 125                 if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
 126                 gen = NULL;
 127                 if(!(point = DIST_POINT_new())) goto merr;
 128                 if(!sk_DIST_POINT_push(crld, point)) {
 129                         DIST_POINT_free(point);
 130                         goto merr;
 131                 }
 132                 if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
 133                 point->distpoint->fullname = gens;
 134                 gens = NULL;
 135         }
 136         return crld;
 137
 138         merr:
 139         X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
 140         err:
 141         GENERAL_NAME_free(gen);
 142         GENERAL_NAMES_free(gens);
 143         sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
 144         return NULL;
 145 }
 146
 147 int i2d_CRL_DIST_POINTS(STACK_OF(DIST_POINT) *a, unsigned char **pp)
 148 {
 149
 150 return i2d_ASN1_SET_OF_DIST_POINT(a, pp, i2d_DIST_POINT, V_ASN1_SEQUENCE,
 151                                                  V_ASN1_UNIVERSAL, IS_SEQUENCE);}
 152
 153 STACK_OF(DIST_POINT) *CRL_DIST_POINTS_new(void)
 154 {
 155         return sk_DIST_POINT_new_null();
 156 }
 157
 158 void CRL_DIST_POINTS_free(STACK_OF(DIST_POINT) *a)
 159 {
 160         sk_DIST_POINT_pop_free(a, DIST_POINT_free);
 161 }
 162
 163 STACK_OF(DIST_POINT) *d2i_CRL_DIST_POINTS(STACK_OF(DIST_POINT) **a,
 164                 unsigned char **pp,long length)
 165 {
 166 return d2i_ASN1_SET_OF_DIST_POINT(a, pp, length, d2i_DIST_POINT,
 167                          DIST_POINT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
 168
 169 }
 170
 171 IMPLEMENT_STACK_OF(DIST_POINT)
 172 IMPLEMENT_ASN1_SET_OF(DIST_POINT)
 173
 174 int i2d_DIST_POINT(DIST_POINT *a, unsigned char **pp)
 175 {
 176         int v = 0;
 177         M_ASN1_I2D_vars(a);
 178         /* NB: underlying type is a CHOICE so need EXPLICIT tagging */
 179         M_ASN1_I2D_len_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
 180         M_ASN1_I2D_len_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING);
 181         M_ASN1_I2D_len_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES);
 182
 183         M_ASN1_I2D_seq_total();
 184
 185         M_ASN1_I2D_put_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
 186         M_ASN1_I2D_put_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING, 1);
 187         M_ASN1_I2D_put_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES, 2);
 188
 189         M_ASN1_I2D_finish();
 190 }
 191
 192 DIST_POINT *DIST_POINT_new(void)
 193 {
 194         DIST_POINT *ret=NULL;
 195         ASN1_CTX c;
 196         M_ASN1_New_Malloc(ret, DIST_POINT);
 197         ret->distpoint = NULL;
 198         ret->reasons = NULL;
 199         ret->CRLissuer = NULL;
 200         return (ret);
 201         M_ASN1_New_Error(ASN1_F_DIST_POINT_NEW);
 202 }
 203
 204 DIST_POINT *d2i_DIST_POINT(DIST_POINT **a, unsigned char **pp, long length)
 205 {
 206         M_ASN1_D2I_vars(a,DIST_POINT *,DIST_POINT_new);
 207         M_ASN1_D2I_Init();
 208         M_ASN1_D2I_start_sequence();
 209         M_ASN1_D2I_get_EXP_opt (ret->distpoint, d2i_DIST_POINT_NAME, 0);
 210         M_ASN1_D2I_get_IMP_opt (ret->reasons, d2i_ASN1_BIT_STRING, 1,
 211                                                         V_ASN1_BIT_STRING);
 212         M_ASN1_D2I_get_IMP_opt (ret->CRLissuer, d2i_GENERAL_NAMES, 2,
 213                                                         V_ASN1_SEQUENCE);
 214         M_ASN1_D2I_Finish(a, DIST_POINT_free, ASN1_F_D2I_DIST_POINT);
 215 }
 216
 217 void DIST_POINT_free(DIST_POINT *a)
 218 {
 219         if (a == NULL) return;
 220         DIST_POINT_NAME_free(a->distpoint);
 221         ASN1_BIT_STRING_free(a->reasons);
 222         sk_GENERAL_NAME_pop_free(a->CRLissuer, GENERAL_NAME_free);
 223         Free ((char *)a);
 224 }
 225
 226 int i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **pp)
 227 {
 228         int v = 0;
 229         M_ASN1_I2D_vars(a);
 230
 231         if(a->fullname) {
 232                 M_ASN1_I2D_len_IMP_opt (a->fullname, i2d_GENERAL_NAMES);
 233         } else {
 234                 M_ASN1_I2D_len_EXP_opt (a->relativename, i2d_X509_NAME, 1, v);
 235         }
 236
 237         /* Don't want a SEQUENCE so... */
 238         if(pp == NULL) return ret;
 239         p = *pp;
 240
 241         if(a->fullname) {
 242                 M_ASN1_I2D_put_IMP_opt (a->fullname, i2d_GENERAL_NAMES, 0);
 243         } else {
 244                 M_ASN1_I2D_put_EXP_opt (a->relativename, i2d_X509_NAME, 1, v);
 245         }
 246         M_ASN1_I2D_finish();
 247 }
 248
 249 DIST_POINT_NAME *DIST_POINT_NAME_new(void)
 250 {
 251         DIST_POINT_NAME *ret=NULL;
 252         ASN1_CTX c;
 253         M_ASN1_New_Malloc(ret, DIST_POINT_NAME);
 254         ret->fullname = NULL;
 255         ret->relativename = NULL;
 256         return (ret);
 257         M_ASN1_New_Error(ASN1_F_DIST_POINT_NAME_NEW);
 258 }
 259
 260 void DIST_POINT_NAME_free(DIST_POINT_NAME *a)
 261 {
 262         if (a == NULL) return;
 263         X509_NAME_free(a->relativename);
 264         sk_GENERAL_NAME_pop_free(a->fullname, GENERAL_NAME_free);
 265         Free ((char *)a);
 266 }
 267
 268 DIST_POINT_NAME *d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, unsigned char **pp,
 269              long length)
 270 {
 271         unsigned char _tmp, tag;
 272         M_ASN1_D2I_vars(a,DIST_POINT_NAME *,DIST_POINT_NAME_new);
 273         M_ASN1_D2I_Init();
 274         c.slen = length;
 275
 276         _tmp = M_ASN1_next;
 277         tag = _tmp & ~V_ASN1_CONSTRUCTED;
 278
 279         if(tag == (0|V_ASN1_CONTEXT_SPECIFIC)) {
 280                 M_ASN1_D2I_get_imp(ret->fullname, d2i_GENERAL_NAMES,
 281                                                         V_ASN1_SEQUENCE);
 282         } else if (tag == (1|V_ASN1_CONTEXT_SPECIFIC)) {
 283                 M_ASN1_D2I_get_EXP_opt (ret->relativename, d2i_X509_NAME, 1);
 284         } else {
 285                 c.error = ASN1_R_BAD_TAG;
 286                 goto err;
 287         }
 288
 289         M_ASN1_D2I_Finish(a, DIST_POINT_NAME_free, ASN1_F_D2I_DIST_POINT_NAME);
 290 }