crypto/asn1/x_req.c

   1 /* crypto/asn1/x_req.c */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include "cryptlib.h"
  61 #include "asn1_mac.h"
  62 #include "x509.h"
  63
  64 /*
  65  * ASN1err(ASN1_F_D2I_X509_REQ,ASN1_R_LENGTH_MISMATCH);
  66  * ASN1err(ASN1_F_D2I_X509_REQ_INFO,ASN1_R_LENGTH_MISMATCH);
  67  * ASN1err(ASN1_F_X509_REQ_NEW,ASN1_R_LENGTH_MISMATCH);
  68  * ASN1err(ASN1_F_X509_REQ_INFO_NEW,ASN1_R_LENGTH_MISMATCH);
  69  */
  70
  71 int i2d_X509_REQ_INFO(a,pp)
  72 X509_REQ_INFO *a;
  73 unsigned char **pp;
  74         {
  75         M_ASN1_I2D_vars(a);
  76
  77         M_ASN1_I2D_len(a->version,              i2d_ASN1_INTEGER);
  78         M_ASN1_I2D_len(a->subject,              i2d_X509_NAME);
  79         M_ASN1_I2D_len(a->pubkey,               i2d_X509_PUBKEY);
  80
  81         /* this is a *nasty* hack reported to be required to
  82          * allow some CA Software to accept the cert request.
  83          * It is not following the PKCS standards ...
  84          * PKCS#10 pg 5
  85          * attributes [0] IMPLICIT Attibutes
  86          * NOTE: no OPTIONAL ... so it *must* be there
  87          */
  88         if (a->req_kludge)
  89                 {
  90                 M_ASN1_I2D_len_IMP_set_opt(a->attributes,i2d_X509_ATTRIBUTE,0);
  91                 }
  92         else
  93                 {
  94                 M_ASN1_I2D_len_IMP_set(a->attributes,   i2d_X509_ATTRIBUTE,0);
  95                 }
  96
  97         M_ASN1_I2D_seq_total();
  98         M_ASN1_I2D_put(a->version,              i2d_ASN1_INTEGER);
  99         M_ASN1_I2D_put(a->subject,              i2d_X509_NAME);
 100         M_ASN1_I2D_put(a->pubkey,               i2d_X509_PUBKEY);
 101
 102         /* this is a *nasty* hack reported to be required by some CA's.
 103          * It is not following the PKCS standards ...
 104          * PKCS#10 pg 5
 105          * attributes [0] IMPLICIT Attibutes
 106          * NOTE: no OPTIONAL ... so it *must* be there
 107          */
 108         if (a->req_kludge)
 109                 {
 110                 M_ASN1_I2D_put_IMP_set_opt(a->attributes,i2d_X509_ATTRIBUTE,0);
 111                 }
 112         else
 113                 {
 114                 M_ASN1_I2D_put_IMP_set(a->attributes,i2d_X509_ATTRIBUTE,0);
 115                 }
 116
 117         M_ASN1_I2D_finish();
 118         }
 119
 120 X509_REQ_INFO *d2i_X509_REQ_INFO(a,pp,length)
 121 X509_REQ_INFO **a;
 122 unsigned char **pp;
 123 long length;
 124         {
 125         M_ASN1_D2I_vars(a,X509_REQ_INFO *,X509_REQ_INFO_new);
 126
 127         M_ASN1_D2I_Init();
 128         M_ASN1_D2I_start_sequence();
 129         M_ASN1_D2I_get(ret->version,d2i_ASN1_INTEGER);
 130         M_ASN1_D2I_get(ret->subject,d2i_X509_NAME);
 131         M_ASN1_D2I_get(ret->pubkey,d2i_X509_PUBKEY);
 132
 133         /* this is a *nasty* hack to allow for some CA's that
 134          * have been reported as requiring it.
 135          * It is not following the PKCS standards ...
 136          * PKCS#10 pg 5
 137          * attributes [0] IMPLICIT Attibutes
 138          * NOTE: no OPTIONAL ... so it *must* be there
 139          */
 140         if (asn1_Finish(&c))
 141                 ret->req_kludge=1;
 142         else
 143                 {
 144                 M_ASN1_D2I_get_IMP_set(ret->attributes,d2i_X509_ATTRIBUTE,0);
 145                 }
 146
 147         M_ASN1_D2I_Finish(a,X509_REQ_INFO_free,ASN1_F_D2I_X509_REQ_INFO);
 148         }
 149
 150 X509_REQ_INFO *X509_REQ_INFO_new()
 151         {
 152         X509_REQ_INFO *ret=NULL;
 153
 154         M_ASN1_New_Malloc(ret,X509_REQ_INFO);
 155         M_ASN1_New(ret->version,ASN1_INTEGER_new);
 156         M_ASN1_New(ret->subject,X509_NAME_new);
 157         M_ASN1_New(ret->pubkey,X509_PUBKEY_new);
 158         M_ASN1_New(ret->attributes,sk_new_null);
 159         ret->req_kludge=0;
 160         return(ret);
 161         M_ASN1_New_Error(ASN1_F_X509_REQ_INFO_NEW);
 162         }
 163
 164 void X509_REQ_INFO_free(a)
 165 X509_REQ_INFO *a;
 166         {
 167         if (a == NULL) return;
 168         ASN1_INTEGER_free(a->version);
 169         X509_NAME_free(a->subject);
 170         X509_PUBKEY_free(a->pubkey);
 171         sk_pop_free(a->attributes,X509_ATTRIBUTE_free);
 172         Free((char *)a);
 173         }
 174
 175 int i2d_X509_REQ(a,pp)
 176 X509_REQ *a;
 177 unsigned char **pp;
 178         {
 179         M_ASN1_I2D_vars(a);
 180         M_ASN1_I2D_len(a->req_info,     i2d_X509_REQ_INFO);
 181         M_ASN1_I2D_len(a->sig_alg,      i2d_X509_ALGOR);
 182         M_ASN1_I2D_len(a->signature,    i2d_ASN1_BIT_STRING);
 183
 184         M_ASN1_I2D_seq_total();
 185
 186         M_ASN1_I2D_put(a->req_info,     i2d_X509_REQ_INFO);
 187         M_ASN1_I2D_put(a->sig_alg,      i2d_X509_ALGOR);
 188         M_ASN1_I2D_put(a->signature,    i2d_ASN1_BIT_STRING);
 189
 190         M_ASN1_I2D_finish();
 191         }
 192
 193 X509_REQ *d2i_X509_REQ(a,pp,length)
 194 X509_REQ **a;
 195 unsigned char **pp;
 196 long length;
 197         {
 198         M_ASN1_D2I_vars(a,X509_REQ *,X509_REQ_new);
 199
 200         M_ASN1_D2I_Init();
 201         M_ASN1_D2I_start_sequence();
 202         M_ASN1_D2I_get(ret->req_info,d2i_X509_REQ_INFO);
 203         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 204         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 205         M_ASN1_D2I_Finish(a,X509_REQ_free,ASN1_F_D2I_X509_REQ);
 206         }
 207
 208 X509_REQ *X509_REQ_new()
 209         {
 210         X509_REQ *ret=NULL;
 211
 212         M_ASN1_New_Malloc(ret,X509_REQ);
 213         ret->references=1;
 214         M_ASN1_New(ret->req_info,X509_REQ_INFO_new);
 215         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 216         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 217         return(ret);
 218         M_ASN1_New_Error(ASN1_F_X509_REQ_NEW);
 219         }
 220
 221 void X509_REQ_free(a)
 222 X509_REQ *a;
 223         {
 224         int i;
 225
 226         if (a == NULL) return;
 227
 228         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_REQ);
 229         if (i > 0) return;
 230 #ifdef REF_CHECK
 231         if (i < 0)
 232                 {
 233                 fprintf(stderr,"X509_REQ_free, bad reference count\n");
 234                 abort();
 235                 }
 236 #endif
 237
 238         X509_REQ_INFO_free(a->req_info);
 239         X509_ALGOR_free(a->sig_alg);
 240         ASN1_BIT_STRING_free(a->signature);
 241         Free((char *)a);
 242         }
 243
 244