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