char str[128];
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 str[128];	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]; }		sprintf(str,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,l);		if (BIO_puts(bp,str) <= 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.eckey, 16);		}	else#endif			BIO_printf(bp,"%12sUnknown Public Key:\n","");		EVP_PKEY_free(pkey);		}	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))		{		/* may not be */		sprintf(str,"%8sAttributes:\n","");		if (BIO_puts(bp,str) <= 0) goto err;		sk=x->req_info->attributes;		if (sk_X509_ATTRIBUTE_num(sk) == 0)			{			sprintf(str,"%12sa0:00\n","");			if (BIO_puts(bp,str) <= 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;				sprintf(str,"%12s","");				if (BIO_puts(bp,str) <= 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_ATTRIBUTES))		{		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, 0, 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,ERR_R_BUF_LIB);	return(0);	}