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			257 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			257 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* crypto/asn1/t_req.c */
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| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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|  * All rights reserved.
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|  *
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|  * This package is an SSL implementation written
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|  * by Eric Young (eay@cryptsoft.com).
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|  * The implementation was written so as to conform with Netscapes SSL.
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|  *
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|  * This library is free for commercial and non-commercial use as long as
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|  * the following conditions are aheared to.  The following conditions
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|  * apply to all code found in this distribution, be it the RC4, RSA,
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|  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
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|  * included with this distribution is covered by the same copyright terms
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|  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
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|  *
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|  * Copyright remains Eric Young's, and as such any Copyright notices in
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|  * the code are not to be removed.
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|  * If this package is used in a product, Eric Young should be given attribution
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|  * as the author of the parts of the library used.
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|  * This can be in the form of a textual message at program startup or
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|  * in documentation (online or textual) provided with the package.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions
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|  * are met:
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|  * 1. Redistributions of source code must retain the copyright
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|  *    notice, this list of conditions and the following disclaimer.
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|  * 2. Redistributions in binary form must reproduce the above copyright
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|  *    notice, this list of conditions and the following disclaimer in the
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|  *    documentation and/or other materials provided with the distribution.
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|  * 3. All advertising materials mentioning features or use of this software
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|  *    must display the following acknowledgement:
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|  *    "This product includes cryptographic software written by
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|  *     Eric Young (eay@cryptsoft.com)"
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|  *    The word 'cryptographic' can be left out if the rouines from the library
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|  *    being used are not cryptographic related :-).
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|  * 4. If you include any Windows specific code (or a derivative thereof) from
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|  *    the apps directory (application code) you must include an acknowledgement:
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|  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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|  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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|  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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|  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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|  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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|  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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|  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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|  * SUCH DAMAGE.
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|  *
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|  * The licence and distribution terms for any publically available version or
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|  * derivative of this code cannot be changed.  i.e. this code cannot simply be
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|  * copied and put under another distribution licence
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|  * [including the GNU Public Licence.]
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|  */
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| 
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| #include <stdio.h>
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| #include "cryptlib.h"
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| #include <openssl/buffer.h>
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| #include <openssl/bn.h>
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| #include <openssl/objects.h>
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| #include <openssl/x509.h>
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| #include <openssl/x509v3.h>
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| #ifndef OPENSSL_NO_RSA
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| # include <openssl/rsa.h>
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| #endif
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| #ifndef OPENSSL_NO_DSA
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| # include <openssl/dsa.h>
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| #endif
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| 
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| #ifndef OPENSSL_NO_FP_API
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| int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
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| {
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|     BIO *b;
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|     int ret;
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| 
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|     if ((b = BIO_new(BIO_s_file())) == NULL) {
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|         X509err(X509_F_X509_REQ_PRINT_FP, ERR_R_BUF_LIB);
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|         return (0);
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|     }
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|     BIO_set_fp(b, fp, BIO_NOCLOSE);
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|     ret = X509_REQ_print(b, x);
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|     BIO_free(b);
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|     return (ret);
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| }
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| #endif
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| 
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| int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
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|                       unsigned long cflag)
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| {
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|     unsigned long l;
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|     int i;
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|     const char *neg;
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|     X509_REQ_INFO *ri;
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|     EVP_PKEY *pkey;
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|     STACK_OF(X509_ATTRIBUTE) *sk;
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|     STACK_OF(X509_EXTENSION) *exts;
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|     char mlch = ' ';
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|     int nmindent = 0;
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| 
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|     if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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|         mlch = '\n';
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|         nmindent = 12;
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|     }
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| 
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|     if (nmflags == X509_FLAG_COMPAT)
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|         nmindent = 16;
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| 
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|     ri = x->req_info;
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|     if (!(cflag & X509_FLAG_NO_HEADER)) {
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|         if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
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|             goto err;
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|         if (BIO_write(bp, "    Data:\n", 10) <= 0)
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|             goto err;
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|     }
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|     if (!(cflag & X509_FLAG_NO_VERSION)) {
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|         neg = (ri->version->type == V_ASN1_NEG_INTEGER) ? "-" : "";
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|         l = 0;
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|         for (i = 0; i < ri->version->length; i++) {
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|             l <<= 8;
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|             l += ri->version->data[i];
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|         }
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|         if (BIO_printf(bp, "%8sVersion: %s%lu (%s0x%lx)\n", "", neg, l, neg,
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|                        l) <= 0)
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|             goto err;
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|     }
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|     if (!(cflag & X509_FLAG_NO_SUBJECT)) {
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|         if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
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|             goto err;
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|         if (X509_NAME_print_ex(bp, ri->subject, nmindent, nmflags) < 0)
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|             goto err;
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|         if (BIO_write(bp, "\n", 1) <= 0)
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|             goto err;
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|     }
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|     if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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|         if (BIO_write(bp, "        Subject Public Key Info:\n", 33) <= 0)
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|             goto err;
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|         if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
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|             goto err;
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|         if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
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|             goto err;
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|         if (BIO_puts(bp, "\n") <= 0)
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|             goto err;
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| 
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|         pkey = X509_REQ_get_pubkey(x);
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|         if (pkey == NULL) {
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|             BIO_printf(bp, "%12sUnable to load Public Key\n", "");
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|             ERR_print_errors(bp);
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|         } else {
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|             EVP_PKEY_print_public(bp, pkey, 16, NULL);
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|             EVP_PKEY_free(pkey);
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|         }
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|     }
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| 
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|     if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
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|         /* may not be */
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|         if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
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|             goto err;
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| 
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|         sk = x->req_info->attributes;
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|         if (sk_X509_ATTRIBUTE_num(sk) == 0) {
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|             if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
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|                 goto err;
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|         } else {
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|             for (i = 0; i < sk_X509_ATTRIBUTE_num(sk); i++) {
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|                 ASN1_TYPE *at;
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|                 X509_ATTRIBUTE *a;
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|                 ASN1_BIT_STRING *bs = NULL;
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|                 ASN1_TYPE *t;
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|                 int j, type = 0, count = 1, ii = 0;
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| 
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|                 a = sk_X509_ATTRIBUTE_value(sk, i);
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|                 if (X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
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|                     continue;
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|                 if (BIO_printf(bp, "%12s", "") <= 0)
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|                     goto err;
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|                 if ((j = i2a_ASN1_OBJECT(bp, a->object)) > 0) {
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|                     if (a->single) {
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|                         t = a->value.single;
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|                         type = t->type;
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|                         bs = t->value.bit_string;
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|                     } else {
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|                         ii = 0;
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|                         count = sk_ASN1_TYPE_num(a->value.set);
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|  get_next:
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|                         at = sk_ASN1_TYPE_value(a->value.set, ii);
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|                         type = at->type;
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|                         bs = at->value.asn1_string;
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|                     }
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|                 }
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|                 for (j = 25 - j; j > 0; j--)
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|                     if (BIO_write(bp, " ", 1) != 1)
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|                         goto err;
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|                 if (BIO_puts(bp, ":") <= 0)
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|                     goto err;
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|                 if (bs != NULL && (
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|                     (type == V_ASN1_PRINTABLESTRING) ||
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|                     (type == V_ASN1_UTF8STRING) ||
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|                     (type == V_ASN1_T61STRING) ||
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|                     (type == V_ASN1_IA5STRING))) {
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|                     if (BIO_write(bp, (char *)bs->data, bs->length)
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|                         != bs->length)
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|                         goto err;
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|                     BIO_puts(bp, "\n");
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|                 } else {
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|                     BIO_puts(bp, "unable to print attribute\n");
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|                 }
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|                 if (++ii < count)
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|                     goto get_next;
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|             }
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|         }
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|     }
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|     if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
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|         exts = X509_REQ_get_extensions(x);
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|         if (exts) {
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|             BIO_printf(bp, "%8sRequested Extensions:\n", "");
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|             for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
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|                 ASN1_OBJECT *obj;
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|                 X509_EXTENSION *ex;
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|                 int j;
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|                 ex = sk_X509_EXTENSION_value(exts, i);
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|                 if (BIO_printf(bp, "%12s", "") <= 0)
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|                     goto err;
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|                 obj = X509_EXTENSION_get_object(ex);
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|                 i2a_ASN1_OBJECT(bp, obj);
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|                 j = X509_EXTENSION_get_critical(ex);
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|                 if (BIO_printf(bp, ": %s\n", j ? "critical" : "") <= 0)
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|                     goto err;
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|                 if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
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|                     BIO_printf(bp, "%16s", "");
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|                     M_ASN1_OCTET_STRING_print(bp, ex->value);
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|                 }
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|                 if (BIO_write(bp, "\n", 1) <= 0)
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|                     goto err;
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|             }
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|             sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
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|         }
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|     }
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| 
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|     if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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|         if (!X509_signature_print(bp, x->sig_alg, x->signature))
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|             goto err;
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|     }
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| 
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|     return (1);
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|  err:
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|     X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
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|     return (0);
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| }
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| 
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| int X509_REQ_print(BIO *bp, X509_REQ *x)
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| {
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|     return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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| }
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