/* crypto/asn1/t_req.c */

 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

  * All rights reserved.

  *

  * This package is an SSL implementation written

  * by Eric Young (eay@cryptsoft.com).

  * The implementation was written so as to conform with Netscapes SSL.

  * 

  * This library is free for commercial and non-commercial use as long as

  * the following conditions are aheared to.  The following conditions

  * apply to all code found in this distribution, be it the RC4, RSA,

  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

  * included with this distribution is covered by the same copyright terms

  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

  * 

  * Copyright remains Eric Young's, and as such any Copyright notices in

  * the code are not to be removed.

  * If this package is used in a product, Eric Young should be given attribution

  * as the author of the parts of the library used.

  * This can be in the form of a textual message at program startup or

  * in documentation (online or textual) provided with the package.

  * 

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  * 3. All advertising materials mentioning features or use of this software

  *    must display the following acknowledgement:

  *    "This product includes cryptographic software written by

  *     Eric Young (eay@cryptsoft.com)"

  *    The word 'cryptographic' can be left out if the rouines from the library

  *    being used are not cryptographic related :-).

  * 4. If you include any Windows specific code (or a derivative thereof) from 

  *    the apps directory (application code) you must include an acknowledgement:

  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

  * 

  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  * SUCH DAMAGE.

  * 

  * The licence and distribution terms for any publically available version or

  * derivative of this code cannot be changed.  i.e. this code cannot simply be

  * copied and put under another distribution licence

  * [including the GNU Public Licence.]

  */

 #include <stdio.h>

 #include "cryptlib.h"

 #include <openssl/buffer.h>

 #include <openssl/bn.h>

 #include <openssl/objects.h>

 #include <openssl/x509.h>

 #include <openssl/x509v3.h>

 #ifndef OPENSSL_NO_RSA

 #include <openssl/rsa.h>

 #endif

 #ifndef OPENSSL_NO_DSA

 #include <openssl/dsa.h>

 #endif

 #ifndef OPENSSL_NO_FP_API

 EXPORT_C int X509_REQ_print_fp(FILE *fp, X509_REQ *x)

         {

         BIO *b;

         int ret;

         if ((b=BIO_new(BIO_s_file())) == NULL)

 		{

 		X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);

                 return(0);

 		}

         BIO_set_fp(b,fp,BIO_NOCLOSE);

         ret=X509_REQ_print(b, x);

         BIO_free(b);

         return(ret);

         }

 #endif

 EXPORT_C int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)

 	{

 	unsigned long l;

 	int i;

 	const char *neg;

 	X509_REQ_INFO *ri;

 	EVP_PKEY *pkey;

 	STACK_OF(X509_ATTRIBUTE) *sk;

 	STACK_OF(X509_EXTENSION) *exts;

 	char mlch = ' ';

 	int nmindent = 0;

 	if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {

 		mlch = '\n';

 		nmindent = 12;

 	}

 	if(nmflags == X509_FLAG_COMPAT)

 		nmindent = 16;

 	ri=x->req_info;

 	if(!(cflag & X509_FLAG_NO_HEADER))

 		{

 		if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;

 		if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;

 		}

 	if(!(cflag & X509_FLAG_NO_VERSION))

 		{

 		neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";

 		l=0;

 		for (i=0; i<ri->version->length; i++)

 			{ l<<=8; l+=ri->version->data[i]; }

 		if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,

 			      l) <= 0)

 		    goto err;

 		}

         if(!(cflag & X509_FLAG_NO_SUBJECT))

                 {

                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;

                 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;

                 if (BIO_write(bp,"\n",1) <= 0) goto err;

                 }

 	if(!(cflag & X509_FLAG_NO_PUBKEY))

 		{

 		if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)

 			goto err;

 		if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)

 			goto err;

 		if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)

 			goto err;

 		if (BIO_puts(bp, "\n") <= 0)

 			goto err;

 		pkey=X509_REQ_get_pubkey(x);

 		if (pkey == NULL)

 			{

 			BIO_printf(bp,"%12sUnable to load Public Key\n","");

 			ERR_print_errors(bp);

 			}

 		else

 #ifndef OPENSSL_NO_RSA

 		if (pkey->type == EVP_PKEY_RSA)

 			{

 			BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",

 			BN_num_bits(pkey->pkey.rsa->n));

 			RSA_print(bp,pkey->pkey.rsa,16);

 			}

 		else

 #endif

 #ifndef OPENSSL_NO_DSA

 		if (pkey->type == EVP_PKEY_DSA)

 			{

 			BIO_printf(bp,"%12sDSA Public Key:\n","");

 			DSA_print(bp,pkey->pkey.dsa,16);

 			}

 		else

 #endif

 #ifndef OPENSSL_NO_EC

 		if (pkey->type == EVP_PKEY_EC)

 		{

 			BIO_printf(bp, "%12sEC Public Key: \n","");

 			EC_KEY_print(bp, pkey->pkey.ec, 16);

 		}

 	else

 #endif

 			BIO_printf(bp,"%12sUnknown Public Key:\n","");

 		EVP_PKEY_free(pkey);

 		}

 	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))

 		{

 		/* may not be */

 		if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)

 		    goto err;

 		sk=x->req_info->attributes;

 		if (sk_X509_ATTRIBUTE_num(sk) == 0)

 			{

 			if(BIO_printf(bp,"%12sa0:00\n","") <= 0)

 			    goto err;

 			}

 		else

 			{

 			for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)

 				{

 				ASN1_TYPE *at;

 				X509_ATTRIBUTE *a;

 				ASN1_BIT_STRING *bs=NULL;

 				ASN1_TYPE *t;

 				int j,type=0,count=1,ii=0;

 				a=sk_X509_ATTRIBUTE_value(sk,i);

 				if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))

 									continue;

 				if(BIO_printf(bp,"%12s","") <= 0)

 				    goto err;

 				if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)

 				{

 				if (a->single)

 					{

 					t=a->value.single;

 					type=t->type;

 					bs=t->value.bit_string;

 					}

 				else

 					{

 					ii=0;

 					count=sk_ASN1_TYPE_num(a->value.set);

 get_next:

 					at=sk_ASN1_TYPE_value(a->value.set,ii);

 					type=at->type;

 					bs=at->value.asn1_string;

 					}

 				}

 				for (j=25-j; j>0; j--)

 					if (BIO_write(bp," ",1) != 1) goto err;

 				if (BIO_puts(bp,":") <= 0) goto err;

 				if (	(type == V_ASN1_PRINTABLESTRING) ||

 					(type == V_ASN1_T61STRING) ||

 					(type == V_ASN1_IA5STRING))

 					{

 					if (BIO_write(bp,(char *)bs->data,bs->length)

 						!= bs->length)

 						goto err;

 					BIO_puts(bp,"\n");

 					}

 				else

 					{

 					BIO_puts(bp,"unable to print attribute\n");

 					}

 				if (++ii < count) goto get_next;

 				}

 			}

 		}

 	if(!(cflag & X509_FLAG_NO_EXTENSIONS))

 		{

 		exts = X509_REQ_get_extensions(x);

 		if(exts)

 			{

 			BIO_printf(bp,"%8sRequested Extensions:\n","");

 			for (i=0; i<sk_X509_EXTENSION_num(exts); i++)

 				{

 				ASN1_OBJECT *obj;

 				X509_EXTENSION *ex;

 				int j;

 				ex=sk_X509_EXTENSION_value(exts, i);

 				if (BIO_printf(bp,"%12s","") <= 0) goto err;

 				obj=X509_EXTENSION_get_object(ex);

 				i2a_ASN1_OBJECT(bp,obj);

 				j=X509_EXTENSION_get_critical(ex);

 				if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)

 					goto err;

 				if(!X509V3_EXT_print(bp, ex, cflag, 16))

 					{

 					BIO_printf(bp, "%16s", "");

 					M_ASN1_OCTET_STRING_print(bp,ex->value);

 					}

 				if (BIO_write(bp,"\n",1) <= 0) goto err;

 				}

 			sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);

 			}

 		}

 	if(!(cflag & X509_FLAG_NO_SIGDUMP))

 		{

 		if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;

 		}

 	return(1);

 err:

 	X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);

 	return(0);

 	}

 EXPORT_C int X509_REQ_print(BIO *bp, X509_REQ *x)

 	{

 	return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);

 	}