crypto/asn1/x_x509.c

   1 /* crypto/asn1/x_x509.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 <openssl/evp.h>
  62 #include <openssl/asn1_mac.h>
  63 #include <openssl/x509.h>
  64
  65 static int x509_meth_num = 0;
  66 static STACK *x509_meth = NULL;
  67
  68 static ASN1_METHOD meth={
  69         (int (*)())  i2d_X509,
  70         (char *(*)())d2i_X509,
  71         (char *(*)())X509_new,
  72         (void (*)()) X509_free};
  73
  74 ASN1_METHOD *X509_asn1_meth(void)
  75         {
  76         return(&meth);
  77         }
  78
  79 int i2d_X509(X509 *a, unsigned char **pp)
  80         {
  81         M_ASN1_I2D_vars(a);
  82
  83         M_ASN1_I2D_len(a->cert_info,    i2d_X509_CINF);
  84         M_ASN1_I2D_len(a->sig_alg,      i2d_X509_ALGOR);
  85         M_ASN1_I2D_len(a->signature,    i2d_ASN1_BIT_STRING);
  86
  87         M_ASN1_I2D_seq_total();
  88
  89         M_ASN1_I2D_put(a->cert_info,    i2d_X509_CINF);
  90         M_ASN1_I2D_put(a->sig_alg,      i2d_X509_ALGOR);
  91         M_ASN1_I2D_put(a->signature,    i2d_ASN1_BIT_STRING);
  92
  93         M_ASN1_I2D_finish();
  94         }
  95
  96 X509 *d2i_X509(X509 **a, unsigned char **pp, long length)
  97         {
  98         M_ASN1_D2I_vars(a,X509 *,X509_new);
  99
 100         M_ASN1_D2I_Init();
 101         M_ASN1_D2I_start_sequence();
 102         M_ASN1_D2I_get(ret->cert_info,d2i_X509_CINF);
 103         M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
 104         M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
 105         if (ret->name != NULL) Free(ret->name);
 106         ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
 107
 108         M_ASN1_D2I_Finish(a,X509_free,ASN1_F_D2I_X509);
 109         }
 110
 111 X509 *X509_new(void)
 112         {
 113         X509 *ret=NULL;
 114         ASN1_CTX c;
 115
 116         M_ASN1_New_Malloc(ret,X509);
 117         ret->references=1;
 118         ret->valid=0;
 119         ret->name=NULL;
 120         M_ASN1_New(ret->cert_info,X509_CINF_new);
 121         M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
 122         M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
 123         CRYPTO_new_ex_data(x509_meth, (char *)ret, &ret->ex_data);
 124         return(ret);
 125         M_ASN1_New_Error(ASN1_F_X509_NEW);
 126         }
 127
 128 void X509_free(X509 *a)
 129         {
 130         int i;
 131
 132         if (a == NULL) return;
 133
 134         i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509);
 135 #ifdef REF_PRINT
 136         REF_PRINT("X509",a);
 137 #endif
 138         if (i > 0) return;
 139 #ifdef REF_CHECK
 140         if (i < 0)
 141                 {
 142                 fprintf(stderr,"X509_free, bad reference count\n");
 143                 abort();
 144                 }
 145 #endif
 146
 147         CRYPTO_free_ex_data(x509_meth,(char *)a,&a->ex_data);
 148         X509_CINF_free(a->cert_info);
 149         X509_ALGOR_free(a->sig_alg);
 150         ASN1_BIT_STRING_free(a->signature);
 151
 152         if (a->name != NULL) Free(a->name);
 153         Free((char *)a);
 154         }
 155
 156 int X509_get_ex_new_index(long argl, char *argp, int (*new_func)(),
 157              int (*dup_func)(), void (*free_func)())
 158         {
 159         x509_meth_num++;
 160         return(CRYPTO_get_ex_new_index(x509_meth_num-1,
 161                 &x509_meth,argl,argp,new_func,dup_func,free_func));
 162         }
 163
 164 int X509_set_ex_data(X509 *r, int idx, char *arg)
 165         {
 166         return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
 167         }
 168
 169 char *X509_get_ex_data(X509 *r, int idx)
 170         {
 171         return(CRYPTO_get_ex_data(&r->ex_data,idx));
 172         }
 173