crypto/asn1/x_name.c

   1 /* crypto/asn1/x_name.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/objects.h>
  62 #include <openssl/asn1_mac.h>
  63 #include <openssl/x509.h>
  64
  65 static int i2d_X509_NAME_entries(X509_NAME *a);
  66 int i2d_X509_NAME_ENTRY(X509_NAME_ENTRY *a, unsigned char **pp)
  67         {
  68         M_ASN1_I2D_vars(a);
  69
  70         M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
  71         M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);
  72
  73         M_ASN1_I2D_seq_total();
  74
  75         M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
  76         M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);
  77
  78         M_ASN1_I2D_finish();
  79         }
  80
  81 X509_NAME_ENTRY *d2i_X509_NAME_ENTRY(X509_NAME_ENTRY **a, unsigned char **pp,
  82              long length)
  83         {
  84         M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);
  85
  86         M_ASN1_D2I_Init();
  87         M_ASN1_D2I_start_sequence();
  88         M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
  89         M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
  90         ret->set=0;
  91         M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
  92         }
  93
  94 int i2d_X509_NAME(X509_NAME *a, unsigned char **pp)
  95         {
  96         int ret;
  97
  98         if (a == NULL) return(0);
  99         if (a->modified)
 100                 {
 101                 ret=i2d_X509_NAME_entries(a);
 102                 if (ret < 0) return(ret);
 103                 }
 104
 105         ret=a->bytes->length;
 106         if (pp != NULL)
 107                 {
 108                 memcpy(*pp,a->bytes->data,ret);
 109                 *pp+=ret;
 110                 }
 111         return(ret);
 112         }
 113
 114 static int i2d_X509_NAME_entries(X509_NAME *a)
 115         {
 116         X509_NAME_ENTRY *ne,*fe=NULL;
 117         STACK_OF(X509_NAME_ENTRY) *sk;
 118         BUF_MEM *buf=NULL;
 119         int set=0,r,ret=0;
 120         int i;
 121         unsigned char *p;
 122         int size=0;
 123
 124         sk=a->entries;
 125         for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
 126                 {
 127                 ne=sk_X509_NAME_ENTRY_value(sk,i);
 128                 if (fe == NULL)
 129                         {
 130                         fe=ne;
 131                         size=0;
 132                         }
 133
 134                 if (ne->set != set)
 135                         {
 136                         ret+=ASN1_object_size(1,size,V_ASN1_SET);
 137                         fe->size=size;
 138                         fe=ne;
 139                         size=0;
 140                         set=ne->set;
 141                         }
 142                 size+=i2d_X509_NAME_ENTRY(ne,NULL);
 143                 }
 144         /* If empty no extra SET OF needed */
 145         if (ret)
 146                 ret+=ASN1_object_size(1,size,V_ASN1_SET);
 147         if (fe != NULL)
 148                 fe->size=size;
 149
 150         r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
 151
 152         buf=a->bytes;
 153         if (!BUF_MEM_grow(buf,r)) goto err;
 154         p=(unsigned char *)buf->data;
 155
 156         ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 157
 158         set= -1;
 159         for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
 160                 {
 161                 ne=sk_X509_NAME_ENTRY_value(sk,i);
 162                 if (set != ne->set)
 163                         {
 164                         set=ne->set;
 165                         ASN1_put_object(&p,1,ne->size,
 166                                 V_ASN1_SET,V_ASN1_UNIVERSAL);
 167                         }
 168                 i2d_X509_NAME_ENTRY(ne,&p);
 169                 }
 170         a->modified=0;
 171         return(r);
 172 err:
 173         return(-1);
 174         }
 175
 176 X509_NAME *d2i_X509_NAME(X509_NAME **a, unsigned char **pp, long length)
 177         {
 178         int set=0,i;
 179         int idx=0;
 180         unsigned char *orig;
 181         M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);
 182
 183         orig= *pp;
 184         if (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
 185                 {
 186                 while (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
 187                         X509_NAME_ENTRY_free(
 188                                        sk_X509_NAME_ENTRY_pop(ret->entries));
 189                 }
 190
 191         M_ASN1_D2I_Init();
 192         M_ASN1_D2I_start_sequence();
 193         for (;;)
 194                 {
 195                 if (M_ASN1_D2I_end_sequence()) break;
 196                 M_ASN1_D2I_get_set_type(X509_NAME_ENTRY,ret->entries,
 197                                         d2i_X509_NAME_ENTRY,
 198                                         X509_NAME_ENTRY_free);
 199                 for (; idx < sk_X509_NAME_ENTRY_num(ret->entries); idx++)
 200                         {
 201                         sk_X509_NAME_ENTRY_value(ret->entries,idx)->set=set;
 202                         }
 203                 set++;
 204                 }
 205
 206         i=(int)(c.p-orig);
 207         if (!BUF_MEM_grow(ret->bytes,i)) goto err;
 208         memcpy(ret->bytes->data,orig,i);
 209         ret->bytes->length=i;
 210         ret->modified=0;
 211
 212         M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
 213         }
 214
 215 X509_NAME *X509_NAME_new(void)
 216         {
 217         X509_NAME *ret=NULL;
 218         ASN1_CTX c;
 219
 220         M_ASN1_New_Malloc(ret,X509_NAME);
 221         if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
 222                 { c.line=__LINE__; goto err2; }
 223         M_ASN1_New(ret->bytes,BUF_MEM_new);
 224         ret->modified=1;
 225         return(ret);
 226         M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
 227         }
 228
 229 X509_NAME_ENTRY *X509_NAME_ENTRY_new(void)
 230         {
 231         X509_NAME_ENTRY *ret=NULL;
 232         ASN1_CTX c;
 233
 234         M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
 235 /*      M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
 236         ret->object=NULL;
 237         ret->set=0;
 238         M_ASN1_New(ret->value,ASN1_STRING_new);
 239         return(ret);
 240         M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
 241         }
 242
 243 void X509_NAME_free(X509_NAME *a)
 244         {
 245         if(a == NULL)
 246             return;
 247
 248         BUF_MEM_free(a->bytes);
 249         sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
 250         OPENSSL_free(a);
 251         }
 252
 253 void X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
 254         {
 255         if (a == NULL) return;
 256         ASN1_OBJECT_free(a->object);
 257         M_ASN1_BIT_STRING_free(a->value);
 258         OPENSSL_free(a);
 259         }
 260
 261 int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
 262         {
 263         X509_NAME *in;
 264
 265         if (*xn == NULL) return(0);
 266
 267         if (*xn != name)
 268                 {
 269                 in=X509_NAME_dup(name);
 270                 if (in != NULL)
 271                         {
 272                         X509_NAME_free(*xn);
 273                         *xn=in;
 274                         }
 275                 }
 276         return(*xn != NULL);
 277         }
 278
 279 IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
 280 IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)