crypto/asn1/t_req.c

   1 /* crypto/asn1/t_req.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/buffer.h>
  62 #include <openssl/bn.h>
  63 #include <openssl/objects.h>
  64 #include <openssl/x509.h>
  65 #include <openssl/x509v3.h>
  66 #ifndef OPENSSL_NO_RSA
  67 #include <openssl/rsa.h>
  68 #endif
  69 #ifndef OPENSSL_NO_DSA
  70 #include <openssl/dsa.h>
  71 #endif
  72
  73 #ifndef OPENSSL_NO_FP_API
  74 int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
  75         {
  76         BIO *b;
  77         int ret;
  78
  79         if ((b=BIO_new(BIO_s_file())) == NULL)
  80                 {
  81                 X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
  82                 return(0);
  83                 }
  84         BIO_set_fp(b,fp,BIO_NOCLOSE);
  85         ret=X509_REQ_print(b, x);
  86         BIO_free(b);
  87         return(ret);
  88         }
  89 #endif
  90
  91 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)
  92         {
  93         unsigned long l;
  94         int i;
  95         const char *neg;
  96         X509_REQ_INFO *ri;
  97         EVP_PKEY *pkey;
  98         STACK_OF(X509_ATTRIBUTE) *sk;
  99         STACK_OF(X509_EXTENSION) *exts;
 100         char mlch = ' ';
 101         int nmindent = 0;
 102
 103         if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
 104                 mlch = '\n';
 105                 nmindent = 12;
 106         }
 107
 108         if(nmflags == X509_FLAG_COMPAT)
 109                 nmindent = 16;
 110
 111
 112         ri=x->req_info;
 113         if(!(cflag & X509_FLAG_NO_HEADER))
 114                 {
 115                 if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
 116                 if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
 117                 }
 118         if(!(cflag & X509_FLAG_NO_VERSION))
 119                 {
 120                 neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
 121                 l=0;
 122                 for (i=0; i<ri->version->length; i++)
 123                         { l<<=8; l+=ri->version->data[i]; }
 124                 if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,
 125                               l) <= 0)
 126                     goto err;
 127                 }
 128         if(!(cflag & X509_FLAG_NO_SUBJECT))
 129                 {
 130                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
 131                 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
 132                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 133                 }
 134         if(!(cflag & X509_FLAG_NO_PUBKEY))
 135                 {
 136                 if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
 137                         goto err;
 138                 if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
 139                         goto err;
 140                 if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
 141                         goto err;
 142                 if (BIO_puts(bp, "\n") <= 0)
 143                         goto err;
 144
 145                 pkey=X509_REQ_get_pubkey(x);
 146                 if (pkey == NULL)
 147                         {
 148                         BIO_printf(bp,"%12sUnable to load Public Key\n","");
 149                         ERR_print_errors(bp);
 150                         }
 151                 else
 152                         {
 153                         EVP_PKEY_print_public(bp, pkey, 16, NULL);
 154                         EVP_PKEY_free(pkey);
 155                         }
 156                 }
 157
 158         if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
 159                 {
 160                 /* may not be */
 161                 if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
 162                     goto err;
 163
 164                 sk=x->req_info->attributes;
 165                 if (sk_X509_ATTRIBUTE_num(sk) == 0)
 166                         {
 167                         if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
 168                             goto err;
 169                         }
 170                 else
 171                         {
 172                         for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
 173                                 {
 174                                 ASN1_TYPE *at;
 175                                 X509_ATTRIBUTE *a;
 176                                 ASN1_BIT_STRING *bs=NULL;
 177                                 ASN1_TYPE *t;
 178                                 int j,type=0,count=1,ii=0;
 179
 180                                 a=sk_X509_ATTRIBUTE_value(sk,i);
 181                                 if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
 182                                                                         continue;
 183                                 if(BIO_printf(bp,"%12s","") <= 0)
 184                                     goto err;
 185                                 if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
 186                                 {
 187                                 if (a->single)
 188                                         {
 189                                         t=a->value.single;
 190                                         type=t->type;
 191                                         bs=t->value.bit_string;
 192                                         }
 193                                 else
 194                                         {
 195                                         ii=0;
 196                                         count=sk_ASN1_TYPE_num(a->value.set);
 197 get_next:
 198                                         at=sk_ASN1_TYPE_value(a->value.set,ii);
 199                                         type=at->type;
 200                                         bs=at->value.asn1_string;
 201                                         }
 202                                 }
 203                                 for (j=25-j; j>0; j--)
 204                                         if (BIO_write(bp," ",1) != 1) goto err;
 205                                 if (BIO_puts(bp,":") <= 0) goto err;
 206                                 if (    (type == V_ASN1_PRINTABLESTRING) ||
 207                                         (type == V_ASN1_T61STRING) ||
 208                                         (type == V_ASN1_IA5STRING))
 209                                         {
 210                                         if (BIO_write(bp,(char *)bs->data,bs->length)
 211                                                 != bs->length)
 212                                                 goto err;
 213                                         BIO_puts(bp,"\n");
 214                                         }
 215                                 else
 216                                         {
 217                                         BIO_puts(bp,"unable to print attribute\n");
 218                                         }
 219                                 if (++ii < count) goto get_next;
 220                                 }
 221                         }
 222                 }
 223         if(!(cflag & X509_FLAG_NO_EXTENSIONS))
 224                 {
 225                 exts = X509_REQ_get_extensions(x);
 226                 if(exts)
 227                         {
 228                         BIO_printf(bp,"%8sRequested Extensions:\n","");
 229                         for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
 230                                 {
 231                                 ASN1_OBJECT *obj;
 232                                 X509_EXTENSION *ex;
 233                                 int j;
 234                                 ex=sk_X509_EXTENSION_value(exts, i);
 235                                 if (BIO_printf(bp,"%12s","") <= 0) goto err;
 236                                 obj=X509_EXTENSION_get_object(ex);
 237                                 i2a_ASN1_OBJECT(bp,obj);
 238                                 j=X509_EXTENSION_get_critical(ex);
 239                                 if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
 240                                         goto err;
 241                                 if(!X509V3_EXT_print(bp, ex, cflag, 16))
 242                                         {
 243                                         BIO_printf(bp, "%16s", "");
 244                                         M_ASN1_OCTET_STRING_print(bp,ex->value);
 245                                         }
 246                                 if (BIO_write(bp,"\n",1) <= 0) goto err;
 247                                 }
 248                         sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 249                         }
 250                 }
 251
 252         if(!(cflag & X509_FLAG_NO_SIGDUMP))
 253                 {
 254                 if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
 255                 }
 256
 257         return(1);
 258 err:
 259         X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
 260         return(0);
 261         }
 262
 263 int X509_REQ_print(BIO *bp, X509_REQ *x)
 264         {
 265         return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
 266         }