crypto/x509/t_req.c

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57
  58 #include <stdio.h>
  59 #include "internal/cryptlib.h"
  60 #include <openssl/buffer.h>
  61 #include <openssl/bn.h>
  62 #include <openssl/objects.h>
  63 #include <openssl/x509.h>
  64 #include <openssl/x509v3.h>
  65 #include <openssl/rsa.h>
  66 #include <openssl/dsa.h>
  67
  68 #ifndef OPENSSL_NO_STDIO
  69 int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
  70 {
  71     BIO *b;
  72     int ret;
  73
  74     if ((b = BIO_new(BIO_s_file())) == NULL) {
  75         X509err(X509_F_X509_REQ_PRINT_FP, ERR_R_BUF_LIB);
  76         return (0);
  77     }
  78     BIO_set_fp(b, fp, BIO_NOCLOSE);
  79     ret = X509_REQ_print(b, x);
  80     BIO_free(b);
  81     return (ret);
  82 }
  83 #endif
  84
  85 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
  86                       unsigned long cflag)
  87 {
  88     long l;
  89     int i;
  90     EVP_PKEY *pkey;
  91     STACK_OF(X509_EXTENSION) *exts;
  92     char mlch = ' ';
  93     int nmindent = 0;
  94
  95     if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
  96         mlch = '\n';
  97         nmindent = 12;
  98     }
  99
 100     if (nmflags == X509_FLAG_COMPAT)
 101         nmindent = 16;
 102
 103     if (!(cflag & X509_FLAG_NO_HEADER)) {
 104         if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
 105             goto err;
 106         if (BIO_write(bp, "    Data:\n", 10) <= 0)
 107             goto err;
 108     }
 109     if (!(cflag & X509_FLAG_NO_VERSION)) {
 110         l = X509_REQ_get_version(x);
 111         if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, l) <= 0)
 112             goto err;
 113     }
 114     if (!(cflag & X509_FLAG_NO_SUBJECT)) {
 115         if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
 116             goto err;
 117         if (X509_NAME_print_ex(bp, X509_REQ_get_subject_name(x),
 118             nmindent, nmflags) < 0)
 119             goto err;
 120         if (BIO_write(bp, "\n", 1) <= 0)
 121             goto err;
 122     }
 123     if (!(cflag & X509_FLAG_NO_PUBKEY)) {
 124         X509_PUBKEY *xpkey;
 125         ASN1_OBJECT *koid;
 126         if (BIO_write(bp, "        Subject Public Key Info:\n", 33) <= 0)
 127             goto err;
 128         if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
 129             goto err;
 130         xpkey = X509_REQ_get_X509_PUBKEY(x);
 131         X509_PUBKEY_get0_param(&koid, NULL, NULL, NULL, xpkey);
 132         if (i2a_ASN1_OBJECT(bp, koid) <= 0)
 133             goto err;
 134         if (BIO_puts(bp, "\n") <= 0)
 135             goto err;
 136
 137         pkey = X509_REQ_get_pubkey(x);
 138         if (pkey == NULL) {
 139             BIO_printf(bp, "%12sUnable to load Public Key\n", "");
 140             ERR_print_errors(bp);
 141         } else {
 142             EVP_PKEY_print_public(bp, pkey, 16, NULL);
 143             EVP_PKEY_free(pkey);
 144         }
 145     }
 146
 147     if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
 148         /* may not be */
 149         if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
 150             goto err;
 151
 152         if (X509_REQ_get_attr_count(x) == 0) {
 153             if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
 154                 goto err;
 155         } else {
 156             for (i = 0; i < X509_REQ_get_attr_count(x); i++) {
 157                 ASN1_TYPE *at;
 158                 X509_ATTRIBUTE *a;
 159                 ASN1_BIT_STRING *bs = NULL;
 160                 ASN1_OBJECT *aobj;
 161                 int j, type = 0, count = 1, ii = 0;
 162
 163                 a = X509_REQ_get_attr(x, i);
 164                 aobj = X509_ATTRIBUTE_get0_object(a);
 165                 if (X509_REQ_extension_nid(OBJ_obj2nid(aobj)))
 166                     continue;
 167                 if (BIO_printf(bp, "%12s", "") <= 0)
 168                     goto err;
 169                 if ((j = i2a_ASN1_OBJECT(bp, aobj)) > 0) {
 170                     ii = 0;
 171                     count = X509_ATTRIBUTE_count(a);
 172  get_next:
 173                     at = X509_ATTRIBUTE_get0_type(a, ii);
 174                     type = at->type;
 175                     bs = at->value.asn1_string;
 176                 }
 177                 for (j = 25 - j; j > 0; j--)
 178                     if (BIO_write(bp, " ", 1) != 1)
 179                         goto err;
 180                 if (BIO_puts(bp, ":") <= 0)
 181                     goto err;
 182                 if ((type == V_ASN1_PRINTABLESTRING) ||
 183                     (type == V_ASN1_T61STRING) ||
 184                     (type == V_ASN1_IA5STRING)) {
 185                     if (BIO_write(bp, (char *)bs->data, bs->length)
 186                         != bs->length)
 187                         goto err;
 188                     BIO_puts(bp, "\n");
 189                 } else {
 190                     BIO_puts(bp, "unable to print attribute\n");
 191                 }
 192                 if (++ii < count)
 193                     goto get_next;
 194             }
 195         }
 196     }
 197     if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
 198         exts = X509_REQ_get_extensions(x);
 199         if (exts) {
 200             BIO_printf(bp, "%8sRequested Extensions:\n", "");
 201             for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
 202                 ASN1_OBJECT *obj;
 203                 X509_EXTENSION *ex;
 204                 int critical;
 205                 ex = sk_X509_EXTENSION_value(exts, i);
 206                 if (BIO_printf(bp, "%12s", "") <= 0)
 207                     goto err;
 208                 obj = X509_EXTENSION_get_object(ex);
 209                 i2a_ASN1_OBJECT(bp, obj);
 210                 critical = X509_EXTENSION_get_critical(ex);
 211                 if (BIO_printf(bp, ": %s\n", critical ? "critical" : "") <= 0)
 212                     goto err;
 213                 if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
 214                     BIO_printf(bp, "%16s", "");
 215                     ASN1_STRING_print(bp, X509_EXTENSION_get_data(ex));
 216                 }
 217                 if (BIO_write(bp, "\n", 1) <= 0)
 218                     goto err;
 219             }
 220             sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 221         }
 222     }
 223
 224     if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
 225         X509_ALGOR *sig_alg;
 226         ASN1_BIT_STRING *sig;
 227         X509_REQ_get0_signature(&sig, &sig_alg, x);
 228         if (!X509_signature_print(bp, sig_alg, sig))
 229             goto err;
 230     }
 231
 232     return (1);
 233  err:
 234     X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
 235     return (0);
 236 }
 237
 238 int X509_REQ_print(BIO *bp, X509_REQ *x)
 239 {
 240     return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
 241 }