crypto/asn1/x_name.c

   1 /* crypto/asn1/x_name.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 "objects.h"
  62 #include "asn1_mac.h"
  63
  64 /*
  65  * ASN1err(ASN1_F_D2I_X509_NAME,ASN1_R_LENGTH_MISMATCH);
  66  * ASN1err(ASN1_F_X509_NAME_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
  67  * ASN1err(ASN1_F_D2I_X509_NAME_ENTRY,ASN1_R_LENGTH_MISMATCH);
  68  * ASN1err(ASN1_F_X509_NAME_ENTRY_NEW,ASN1_R_UNKNOWN_ATTRIBUTE_TYPE);
  69  */
  70
  71 #ifndef NOPROTO
  72 static int i2d_X509_NAME_entries(X509_NAME *a);
  73 #else
  74 static int i2d_X509_NAME_entries();
  75 #endif
  76
  77 int i2d_X509_NAME_ENTRY(a,pp)
  78 X509_NAME_ENTRY *a;
  79 unsigned char **pp;
  80         {
  81         M_ASN1_I2D_vars(a);
  82
  83         M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
  84         M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);
  85
  86         M_ASN1_I2D_seq_total();
  87
  88         M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
  89         M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);
  90
  91         M_ASN1_I2D_finish();
  92         }
  93
  94 X509_NAME_ENTRY *d2i_X509_NAME_ENTRY(a,pp,length)
  95 X509_NAME_ENTRY **a;
  96 unsigned char **pp;
  97 long length;
  98         {
  99         M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);
 100
 101         M_ASN1_D2I_Init();
 102         M_ASN1_D2I_start_sequence();
 103         M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
 104         M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
 105         ret->set=0;
 106         M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
 107         }
 108
 109 int i2d_X509_NAME(a,pp)
 110 X509_NAME *a;
 111 unsigned char **pp;
 112         {
 113         int ret;
 114
 115         if (a == NULL) return(0);
 116         if (a->modified)
 117                 {
 118                 ret=i2d_X509_NAME_entries(a);
 119                 if (ret < 0) return(ret);
 120                 }
 121
 122         ret=a->bytes->length;
 123         if (pp != NULL)
 124                 {
 125                 memcpy(*pp,a->bytes->data,ret);
 126                 *pp+=ret;
 127                 }
 128         return(ret);
 129         }
 130
 131 static int i2d_X509_NAME_entries(a)
 132 X509_NAME *a;
 133         {
 134         X509_NAME_ENTRY *ne,*fe=NULL;
 135         STACK *sk;
 136         BUF_MEM *buf=NULL;
 137         int set=0,r,ret=0;
 138         int i;
 139         unsigned char *p;
 140         int size=0;
 141
 142         sk=a->entries;
 143         for (i=0; i<sk_num(sk); i++)
 144                 {
 145                 ne=(X509_NAME_ENTRY *)sk_value(sk,i);
 146                 if (fe == NULL)
 147                         {
 148                         fe=ne;
 149                         size=0;
 150                         }
 151
 152                 if (ne->set != set)
 153                         {
 154                         ret+=ASN1_object_size(1,size,V_ASN1_SET);
 155                         fe->size=size;
 156                         fe=ne;
 157                         size=0;
 158                         set=ne->set;
 159                         }
 160                 size+=i2d_X509_NAME_ENTRY(ne,NULL);
 161                 }
 162
 163         ret+=ASN1_object_size(1,size,V_ASN1_SET);
 164         if (fe != NULL)
 165                 fe->size=size;
 166
 167         r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);
 168
 169         buf=a->bytes;
 170         if (!BUF_MEM_grow(buf,r)) goto err;
 171         p=(unsigned char *)buf->data;
 172
 173         ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
 174
 175         set= -1;
 176         for (i=0; i<sk_num(sk); i++)
 177                 {
 178                 ne=(X509_NAME_ENTRY *)sk_value(sk,i);
 179                 if (set != ne->set)
 180                         {
 181                         set=ne->set;
 182                         ASN1_put_object(&p,1,ne->size,
 183                                 V_ASN1_SET,V_ASN1_UNIVERSAL);
 184                         }
 185                 i2d_X509_NAME_ENTRY(ne,&p);
 186                 }
 187         a->modified=0;
 188         return(r);
 189 err:
 190         return(-1);
 191         }
 192
 193 X509_NAME *d2i_X509_NAME(a,pp,length)
 194 X509_NAME **a;
 195 unsigned char **pp;
 196 long length;
 197         {
 198         int set=0,i;
 199         int idx=0;
 200         unsigned char *orig;
 201         M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);
 202
 203         orig= *pp;
 204         if (sk_num(ret->entries) > 0)
 205                 {
 206                 while (sk_num(ret->entries) > 0)
 207                         X509_NAME_ENTRY_free((X509_NAME_ENTRY *)
 208                                 sk_pop(ret->entries));
 209                 }
 210
 211         M_ASN1_D2I_Init();
 212         M_ASN1_D2I_start_sequence();
 213         for (;;)
 214                 {
 215                 if (M_ASN1_D2I_end_sequence()) break;
 216                 M_ASN1_D2I_get_set(ret->entries,d2i_X509_NAME_ENTRY);
 217                 for (; idx < sk_num(ret->entries); idx++)
 218                         {
 219                         ((X509_NAME_ENTRY *)sk_value(ret->entries,idx))->set=
 220                                 set;
 221                         }
 222                 set++;
 223                 }
 224
 225         i=(int)(c.p-orig);
 226         if (!BUF_MEM_grow(ret->bytes,i)) goto err;
 227         memcpy(ret->bytes->data,orig,i);
 228         ret->bytes->length=i;
 229         ret->modified=0;
 230
 231         M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
 232         }
 233
 234 X509_NAME *X509_NAME_new()
 235         {
 236         X509_NAME *ret=NULL;
 237
 238         M_ASN1_New_Malloc(ret,X509_NAME);
 239         if ((ret->entries=sk_new(NULL)) == NULL) goto err2;
 240         M_ASN1_New(ret->bytes,BUF_MEM_new);
 241         ret->modified=1;
 242         return(ret);
 243         M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
 244         }
 245
 246 X509_NAME_ENTRY *X509_NAME_ENTRY_new()
 247         {
 248         X509_NAME_ENTRY *ret=NULL;
 249
 250         M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
 251 /*      M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
 252         ret->object=NULL;
 253         ret->set=0;
 254         M_ASN1_New(ret->value,ASN1_STRING_new);
 255         return(ret);
 256         M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
 257         }
 258
 259 void X509_NAME_free(a)
 260 X509_NAME *a;
 261         {
 262         BUF_MEM_free(a->bytes);
 263         sk_pop_free(a->entries,X509_NAME_ENTRY_free);
 264         Free((char *)a);
 265         }
 266
 267 void X509_NAME_ENTRY_free(a)
 268 X509_NAME_ENTRY *a;
 269         {
 270         if (a == NULL) return;
 271         ASN1_OBJECT_free(a->object);
 272         ASN1_BIT_STRING_free(a->value);
 273         Free((char *)a);
 274         }
 275
 276 int X509_NAME_set(xn,name)
 277 X509_NAME **xn;
 278 X509_NAME *name;
 279         {
 280         X509_NAME *in;
 281
 282         if (*xn == NULL) return(0);
 283
 284         if (*xn != name)
 285                 {
 286                 in=X509_NAME_dup(name);
 287                 if (in != NULL)
 288                         {
 289                         X509_NAME_free(*xn);
 290                         *xn=in;
 291                         }
 292                 }
 293         return(*xn != NULL);
 294         }
 295