crypto/asn1/x_cinf.c

   1 /* crypto/asn1/x_cinf.c */
   2 /* Copyright (C) 1995-1998 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
  63 /*
  64  * ASN1err(ASN1_F_D2I_X509_CINF,ERR_R_ASN1_LENGTH_MISMATCH);
  65  * ASN1err(ASN1_F_X509_CINF_NEW,ERR_R_ASN1_LENGTH_MISMATCH);
  66  */
  67
  68 int i2d_X509_CINF(a,pp)
  69 X509_CINF *a;
  70 unsigned char **pp;
  71         {
  72         int v1=0,v2=0;
  73         M_ASN1_I2D_vars(a);
  74
  75         M_ASN1_I2D_len_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);
  76         M_ASN1_I2D_len(a->serialNumber,         i2d_ASN1_INTEGER);
  77         M_ASN1_I2D_len(a->signature,            i2d_X509_ALGOR);
  78         M_ASN1_I2D_len(a->issuer,               i2d_X509_NAME);
  79         M_ASN1_I2D_len(a->validity,             i2d_X509_VAL);
  80         M_ASN1_I2D_len(a->subject,              i2d_X509_NAME);
  81         M_ASN1_I2D_len(a->key,                  i2d_X509_PUBKEY);
  82         M_ASN1_I2D_len_IMP_opt(a->issuerUID,    i2d_ASN1_BIT_STRING);
  83         M_ASN1_I2D_len_IMP_opt(a->subjectUID,   i2d_ASN1_BIT_STRING);
  84         M_ASN1_I2D_len_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,3,V_ASN1_SEQUENCE,v2);
  85
  86         M_ASN1_I2D_seq_total();
  87
  88         M_ASN1_I2D_put_EXP_opt(a->version,i2d_ASN1_INTEGER,0,v1);
  89         M_ASN1_I2D_put(a->serialNumber,         i2d_ASN1_INTEGER);
  90         M_ASN1_I2D_put(a->signature,            i2d_X509_ALGOR);
  91         M_ASN1_I2D_put(a->issuer,               i2d_X509_NAME);
  92         M_ASN1_I2D_put(a->validity,             i2d_X509_VAL);
  93         M_ASN1_I2D_put(a->subject,              i2d_X509_NAME);
  94         M_ASN1_I2D_put(a->key,                  i2d_X509_PUBKEY);
  95         M_ASN1_I2D_put_IMP_opt(a->issuerUID,    i2d_ASN1_BIT_STRING,1);
  96         M_ASN1_I2D_put_IMP_opt(a->subjectUID,   i2d_ASN1_BIT_STRING,2);
  97         M_ASN1_I2D_put_EXP_SEQUENCE_opt(a->extensions,i2d_X509_EXTENSION,3,V_ASN1_SEQUENCE,v2);
  98
  99         M_ASN1_I2D_finish();
 100         }
 101
 102 X509_CINF *d2i_X509_CINF(a,pp,length)
 103 X509_CINF **a;
 104 unsigned char **pp;
 105 long length;
 106         {
 107         int ver=0;
 108         M_ASN1_D2I_vars(a,X509_CINF *,X509_CINF_new);
 109
 110         M_ASN1_D2I_Init();
 111         M_ASN1_D2I_start_sequence();
 112         /* we have the optional version field */
 113         if (M_ASN1_next == (V_ASN1_CONTEXT_SPECIFIC | V_ASN1_CONSTRUCTED | 0))
 114                 {
 115                 M_ASN1_D2I_get_EXP_opt(ret->version,d2i_ASN1_INTEGER,0);
 116                 if (ret->version->data != NULL)
 117                         ver=ret->version->data[0];
 118                 }
 119         else
 120                 {
 121                 if (ret->version != NULL)
 122                         {
 123                         ASN1_INTEGER_free(ret->version);
 124                         ret->version=NULL;
 125                         }
 126                 }
 127         M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
 128         M_ASN1_D2I_get(ret->signature,d2i_X509_ALGOR);
 129         M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
 130         M_ASN1_D2I_get(ret->validity,d2i_X509_VAL);
 131         M_ASN1_D2I_get(ret->subject,d2i_X509_NAME);
 132         M_ASN1_D2I_get(ret->key,d2i_X509_PUBKEY);
 133         if (ver >= 1) /* version 2 extensions */
 134                 {
 135                 if (ret->issuerUID != NULL)
 136                         {
 137                         ASN1_BIT_STRING_free(ret->issuerUID);
 138                         ret->issuerUID=NULL;
 139                         }
 140                 if (ret->subjectUID != NULL)
 141                         {
 142                         ASN1_BIT_STRING_free(ret->subjectUID);
 143                         ret->subjectUID=NULL;
 144                         }
 145                 M_ASN1_D2I_get_IMP_opt(ret->issuerUID,d2i_ASN1_BIT_STRING,  1,
 146                         V_ASN1_BIT_STRING);
 147                 M_ASN1_D2I_get_IMP_opt(ret->subjectUID,d2i_ASN1_BIT_STRING, 2,
 148                         V_ASN1_BIT_STRING);
 149                 }
 150 /* Note: some broken certificates include extensions but don't set
 151  * the version number properly. By bypassing this check they can
 152  * be parsed.
 153  */
 154
 155 #ifdef VERSION_EXT_CHECK
 156         if (ver >= 2) /* version 3 extensions */
 157 #endif
 158                 {
 159                 if (ret->extensions != NULL)
 160                         while (sk_num(ret->extensions))
 161                                 X509_EXTENSION_free((X509_EXTENSION *)
 162                                         sk_pop(ret->extensions));
 163                 M_ASN1_D2I_get_EXP_set_opt(ret->extensions,d2i_X509_EXTENSION,
 164                         X509_EXTENSION_free,3,V_ASN1_SEQUENCE);
 165                 }
 166         M_ASN1_D2I_Finish(a,X509_CINF_free,ASN1_F_D2I_X509_CINF);
 167         }
 168
 169 X509_CINF *X509_CINF_new()
 170         {
 171         X509_CINF *ret=NULL;
 172         ASN1_CTX c;
 173
 174         M_ASN1_New_Malloc(ret,X509_CINF);
 175         ret->version=NULL;
 176         M_ASN1_New(ret->serialNumber,ASN1_INTEGER_new);
 177         M_ASN1_New(ret->signature,X509_ALGOR_new);
 178         M_ASN1_New(ret->issuer,X509_NAME_new);
 179         M_ASN1_New(ret->validity,X509_VAL_new);
 180         M_ASN1_New(ret->subject,X509_NAME_new);
 181         M_ASN1_New(ret->key,X509_PUBKEY_new);
 182         ret->issuerUID=NULL;
 183         ret->subjectUID=NULL;
 184         ret->extensions=NULL;
 185         return(ret);
 186         M_ASN1_New_Error(ASN1_F_X509_CINF_NEW);
 187         }
 188
 189 void X509_CINF_free(a)
 190 X509_CINF *a;
 191         {
 192         if (a == NULL) return;
 193         ASN1_INTEGER_free(a->version);
 194         ASN1_INTEGER_free(a->serialNumber);
 195         X509_ALGOR_free(a->signature);
 196         X509_NAME_free(a->issuer);
 197         X509_VAL_free(a->validity);
 198         X509_NAME_free(a->subject);
 199         X509_PUBKEY_free(a->key);
 200         ASN1_BIT_STRING_free(a->issuerUID);
 201         ASN1_BIT_STRING_free(a->subjectUID);
 202         sk_pop_free(a->extensions,X509_EXTENSION_free);
 203         Free((char *)a);
 204         }
 205