crypto/ocsp/ocsp_req.c

   1 /* ocsp_req.c */
   2 /* Written by Tom Titchener <Tom_Titchener@groove.net> for the OpenSSL
   3  * project. */
   4
   5 /* History:
   6    This file was originally part of ocsp.c and was transfered to Richard
   7    Levitte from CertCo by Kathy Weinhold in mid-spring 2000 to be included
   8    in OpenSSL or released as a patch kit. */
   9
  10 /* ====================================================================
  11  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  *
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  *
  20  * 2. Redistributions in binary form must reproduce the above copyright
  21  *    notice, this list of conditions and the following disclaimer in
  22  *    the documentation and/or other materials provided with the
  23  *    distribution.
  24  *
  25  * 3. All advertising materials mentioning features or use of this
  26  *    software must display the following acknowledgment:
  27  *    "This product includes software developed by the OpenSSL Project
  28  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  29  *
  30  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  31  *    endorse or promote products derived from this software without
  32  *    prior written permission. For written permission, please contact
  33  *    openssl-core@openssl.org.
  34  *
  35  * 5. Products derived from this software may not be called "OpenSSL"
  36  *    nor may "OpenSSL" appear in their names without prior written
  37  *    permission of the OpenSSL Project.
  38  *
  39  * 6. Redistributions of any form whatsoever must retain the following
  40  *    acknowledgment:
  41  *    "This product includes software developed by the OpenSSL Project
  42  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  43  *
  44  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  45  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  46  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  47  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  48  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  49  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  51  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  53  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  54  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  55  * OF THE POSSIBILITY OF SUCH DAMAGE.
  56  * ====================================================================
  57  *
  58  * This product includes cryptographic software written by Eric Young
  59  * (eay@cryptsoft.com).  This product includes software written by Tim
  60  * Hudson (tjh@cryptsoft.com).
  61  *
  62  */
  63
  64 #include <openssl/bio.h>
  65 #include <openssl/asn1_mac.h>
  66 #include <openssl/err.h>
  67 #include <openssl/ocsp.h>
  68 #include <openssl/x509v3.h>
  69
  70 /* Make sure we work well with older variants of OpenSSL */
  71 #ifndef OPENSSL_malloc
  72 #define OPENSSL_malloc Malloc
  73 #endif
  74 #ifndef OPENSSL_realloc
  75 #define OPENSSL_realloc Realloc
  76 #endif
  77 #ifndef OPENSSL_free
  78 #define OPENSSL_free Free
  79 #endif
  80
  81 IMPLEMENT_STACK_OF(OCSP_ONEREQ)
  82 IMPLEMENT_ASN1_SET_OF(OCSP_ONEREQ)
  83
  84 OCSP_REQINFO *OCSP_REQINFO_new(void)
  85         {
  86         OCSP_REQINFO *ret=NULL;
  87         ASN1_CTX c;
  88
  89         M_ASN1_New_Malloc(ret, OCSP_REQINFO);
  90         ret->version = NULL;
  91         ret->requestorName = NULL;
  92         ret->requestList = NULL;
  93         ret->requestExtensions = NULL;
  94         return(ret);
  95         M_ASN1_New_Error(ASN1_F_OCSP_REQINFO_NEW);
  96         }
  97
  98 void OCSP_REQINFO_free(OCSP_REQINFO *a)
  99         {
 100         if (a == NULL) return;
 101         ASN1_INTEGER_free(a->version);
 102         GENERAL_NAME_free(a->requestorName);
 103         sk_OCSP_ONEREQ_pop_free(a->requestList, OCSP_ONEREQ_free);
 104         sk_X509_EXTENSION_pop_free(a->requestExtensions, X509_EXTENSION_free);
 105         OPENSSL_free((char *)a);
 106         }
 107
 108 int i2d_OCSP_REQINFO(OCSP_REQINFO *a,
 109                      unsigned char **pp)
 110         {
 111         int v1=0,v2=0,v3=0;
 112         M_ASN1_I2D_vars(a);
 113
 114         M_ASN1_I2D_len_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);
 115         M_ASN1_I2D_len_EXP_opt(a->requestorName,i2d_GENERAL_NAME,1,v2);
 116         M_ASN1_I2D_len_SEQUENCE_type(OCSP_ONEREQ,
 117                      a->requestList, i2d_OCSP_ONEREQ);
 118         M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,
 119              a->requestExtensions, i2d_X509_EXTENSION,2,V_ASN1_SEQUENCE,v3);
 120
 121         M_ASN1_I2D_seq_total();
 122         M_ASN1_I2D_put_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);
 123         M_ASN1_I2D_put_EXP_opt(a->requestorName,i2d_GENERAL_NAME,1,v2);
 124         M_ASN1_I2D_put_SEQUENCE_type(OCSP_ONEREQ,a->requestList,i2d_OCSP_ONEREQ);
 125         M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->requestExtensions,i2d_X509_EXTENSION,2,V_ASN1_SEQUENCE,v3);
 126
 127         M_ASN1_I2D_finish();
 128         }
 129
 130 OCSP_REQINFO *d2i_OCSP_REQINFO(OCSP_REQINFO **a,
 131                                unsigned char **pp,
 132                                long length)
 133         {
 134         M_ASN1_D2I_vars(a,OCSP_REQINFO *,OCSP_REQINFO_new);
 135
 136         M_ASN1_D2I_Init();
 137         M_ASN1_D2I_start_sequence();
 138         /* we have the optional version field */
 139         if (M_ASN1_next == (V_ASN1_CONTEXT_SPECIFIC | V_ASN1_CONSTRUCTED | 0))
 140                 { M_ASN1_D2I_get_EXP_opt(ret->version,d2i_ASN1_INTEGER,0);}
 141         else
 142                 {
 143                 if (ret->version != NULL)
 144                         {
 145                         ASN1_INTEGER_free(ret->version);
 146                         ret->version=NULL;
 147                         }
 148                 }
 149         M_ASN1_D2I_get_EXP_opt(ret->requestorName,d2i_GENERAL_NAME,1);
 150         M_ASN1_D2I_get_seq_type(OCSP_ONEREQ, ret->requestList,
 151                                 d2i_OCSP_ONEREQ,OCSP_ONEREQ_free);
 152         /* there is no M_ASN1_D2I_get_EXP_seq* code, so
 153            we're using the set version */
 154         M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,
 155                 ret->requestExtensions,d2i_X509_EXTENSION,
 156                 X509_EXTENSION_free,2,V_ASN1_SEQUENCE);
 157         M_ASN1_D2I_Finish(a,OCSP_REQINFO_free,ASN1_F_D2I_OCSP_REQINFO);
 158         }
 159
 160 int i2a_OCSP_REQINFO(BIO *bp,
 161                      OCSP_REQINFO* a)
 162         {
 163         int i, j=1;
 164         if (a->version == NULL) BIO_puts(bp, "0");
 165         else i2a_ASN1_INTEGER(bp, a->version);
 166         if (a->requestorName != NULL)
 167                 {
 168                 j++;
 169 #ifdef UNDEF
 170                 i2a_GENERAL_NAME(bp, a->requestorName); /* does not exist */
 171 #endif
 172                 }
 173         if (a->requestList != NULL)
 174                 {
 175                 for (i=0; i<sk_OCSP_ONEREQ_num(a->requestList); i++)
 176                         if (sk_OCSP_ONEREQ_value(a->requestList,i) != NULL)
 177                                 i2a_OCSP_ONEREQ(bp,
 178                                       sk_OCSP_ONEREQ_value(a->requestList,i));
 179                 j+=sk_OCSP_ONEREQ_num(a->requestList);
 180                 }
 181         j+=OCSP_extensions_print(bp, a->requestExtensions,
 182                                  "Request Extensions");
 183         return j;
 184         }
 185
 186 OCSP_REQUEST *OCSP_REQUEST_new(void)
 187         {
 188         ASN1_CTX c;
 189         OCSP_REQUEST *ret=NULL;
 190
 191         M_ASN1_New_Malloc(ret, OCSP_REQUEST);
 192         M_ASN1_New(ret->tbsRequest, OCSP_REQINFO_new);
 193         ret->optionalSignature = NULL;
 194         return(ret);
 195         M_ASN1_New_Error(ASN1_F_OCSP_REQUEST_NEW);
 196         }
 197
 198 void OCSP_REQUEST_free(OCSP_REQUEST *a)
 199         {
 200         if (a == NULL) return;
 201         OCSP_REQINFO_free(a->tbsRequest);
 202         OCSP_SIGNATURE_free(a->optionalSignature);
 203         OPENSSL_free((char *)a);
 204         }
 205
 206 int i2d_OCSP_REQUEST(OCSP_REQUEST *a,
 207                      unsigned char **pp)
 208         {
 209         int v=0;
 210         M_ASN1_I2D_vars(a);
 211
 212         M_ASN1_I2D_len(a->tbsRequest, i2d_OCSP_REQINFO);
 213         M_ASN1_I2D_len_EXP_opt(a->optionalSignature, i2d_OCSP_SIGNATURE, 0, v);
 214         M_ASN1_I2D_seq_total();
 215         M_ASN1_I2D_put(a->tbsRequest, i2d_OCSP_REQINFO);
 216         M_ASN1_I2D_put_EXP_opt(a->optionalSignature, i2d_OCSP_SIGNATURE, 0, v);
 217         M_ASN1_I2D_finish();
 218         }
 219
 220 OCSP_REQUEST *d2i_OCSP_REQUEST(OCSP_REQUEST **a,
 221                                unsigned char **pp,
 222                                long length)
 223         {
 224         M_ASN1_D2I_vars(a,OCSP_REQUEST *,OCSP_REQUEST_new);
 225
 226         M_ASN1_D2I_Init();
 227         M_ASN1_D2I_start_sequence();
 228         M_ASN1_D2I_get(ret->tbsRequest, d2i_OCSP_REQINFO);
 229         M_ASN1_D2I_get_EXP_opt(ret->optionalSignature, d2i_OCSP_SIGNATURE, 0);
 230         M_ASN1_D2I_Finish(a,OCSP_REQUEST_free,ASN1_F_D2I_OCSP_REQUEST);
 231         }
 232
 233 int i2a_OCSP_REQUEST(BIO *bp,
 234                      OCSP_REQUEST* a)
 235         {
 236         i2a_OCSP_REQINFO(bp, a->tbsRequest);
 237         i2a_OCSP_SIGNATURE(bp, a->optionalSignature);
 238         return a->optionalSignature ? 2 : 1;
 239         }
 240
 241 OCSP_ONEREQ *OCSP_ONEREQ_new(void)
 242         {
 243         ASN1_CTX c;
 244         OCSP_ONEREQ *ret=NULL;
 245
 246         M_ASN1_New_Malloc(ret, OCSP_ONEREQ);
 247         M_ASN1_New(ret->reqCert, OCSP_CERTID_new);
 248         ret->singleRequestExtensions = NULL;
 249         return(ret);
 250         M_ASN1_New_Error(ASN1_F_OCSP_ONEREQ_NEW);
 251         }
 252
 253 void OCSP_ONEREQ_free(OCSP_ONEREQ *a)
 254         {
 255         if (a == NULL) return;
 256         OCSP_CERTID_free(a->reqCert);
 257         sk_X509_EXTENSION_pop_free(a->singleRequestExtensions, X509_EXTENSION_free);
 258         OPENSSL_free((char *)a);
 259         }
 260
 261 int i2d_OCSP_ONEREQ(OCSP_ONEREQ *a,
 262                     unsigned char **pp)
 263         {
 264         int v=0;
 265         M_ASN1_I2D_vars(a);
 266
 267         M_ASN1_I2D_len(a->reqCert, i2d_OCSP_CERTID);
 268         M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,
 269              a->singleRequestExtensions, i2d_X509_EXTENSION, 0,
 270              V_ASN1_SEQUENCE, v);
 271         M_ASN1_I2D_seq_total();
 272         M_ASN1_I2D_put(a->reqCert, i2d_OCSP_CERTID);
 273         M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,
 274              a->singleRequestExtensions, i2d_X509_EXTENSION, 0,
 275              V_ASN1_SEQUENCE, v);
 276         M_ASN1_I2D_finish();
 277         }
 278
 279 OCSP_ONEREQ *d2i_OCSP_ONEREQ(OCSP_ONEREQ **a,
 280                              unsigned char **pp,
 281                              long length)
 282         {
 283         M_ASN1_D2I_vars(a,OCSP_ONEREQ *,OCSP_ONEREQ_new);
 284
 285         M_ASN1_D2I_Init();
 286         M_ASN1_D2I_start_sequence();
 287         M_ASN1_D2I_get(ret->reqCert, d2i_OCSP_CERTID);
 288         /* there is no M_ASN1_D2I_get_EXP_seq* code, so
 289            we're using the set version */
 290         M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,
 291                 ret->singleRequestExtensions, d2i_X509_EXTENSION,
 292                 X509_EXTENSION_free, 0, V_ASN1_SEQUENCE);
 293         M_ASN1_D2I_Finish(a,OCSP_ONEREQ_free,ASN1_F_D2I_OCSP_ONEREQ);
 294         }
 295
 296 int i2a_OCSP_ONEREQ(BIO *bp,
 297                     OCSP_ONEREQ* a)
 298         {
 299         i2a_OCSP_CERTID(bp, a->reqCert);
 300 #ifdef UNDEF
 301         /* XXX need generic extension print method or need to register
 302          * ocsp extensions with existing extension handler mechanism,
 303          * invoke i2a callbacks.
 304          */
 305         if (a->singleRequestExtensions != NULL)
 306                 {
 307                 for (i=0; i<sk_X509_EXTENSION_num(a->singleRequestExtensions); i++)
 308                         if (sk_X509_EXTENSION_value(a->singleRequestExtensions,i) != NULL)
 309                           i2a_X509_EXTENSION(bp,
 310                                      sk_X509_EXTENSION_value(
 311                                         a->singleRequestExtensions, i));
 312                 j+=sk_X509_EXTENSION_num(a->singleRequestExtensions);
 313                 }
 314 #endif
 315         return 1;
 316         }