Home | History | Annotate | Download | only in asn1
      1 /* crypto/asn1/t_req.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 		{
     81 		X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
     82                 return(0);
     83 		}
     84         BIO_set_fp(b,fp,BIO_NOCLOSE);
     85         ret=X509_REQ_print(b, x);
     86         BIO_free(b);
     87         return(ret);
     88         }
     89 #endif
     90 
     91 int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, 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 
    112 	ri=x->req_info;
    113 	if(!(cflag & X509_FLAG_NO_HEADER))
    114 		{
    115 		if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
    116 		if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
    117 		}
    118 	if(!(cflag & X509_FLAG_NO_VERSION))
    119 		{
    120 		neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
    121 		l=0;
    122 		for (i=0; i<ri->version->length; i++)
    123 			{ l<<=8; l+=ri->version->data[i]; }
    124 		if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,
    125 			      l) <= 0)
    126 		    goto err;
    127 		}
    128         if(!(cflag & X509_FLAG_NO_SUBJECT))
    129                 {
    130                 if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
    131                 if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
    132                 if (BIO_write(bp,"\n",1) <= 0) goto err;
    133                 }
    134 	if(!(cflag & X509_FLAG_NO_PUBKEY))
    135 		{
    136 		if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
    137 			goto err;
    138 		if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
    139 			goto err;
    140 		if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
    141 			goto err;
    142 		if (BIO_puts(bp, "\n") <= 0)
    143 			goto err;
    144 
    145 		pkey=X509_REQ_get_pubkey(x);
    146 		if (pkey == NULL)
    147 			{
    148 			BIO_printf(bp,"%12sUnable to load Public Key\n","");
    149 			ERR_print_errors(bp);
    150 			}
    151 		else
    152 			{
    153 			EVP_PKEY_print_public(bp, pkey, 16, NULL);
    154 			EVP_PKEY_free(pkey);
    155 			}
    156 		}
    157 
    158 	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
    159 		{
    160 		/* may not be */
    161 		if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
    162 		    goto err;
    163 
    164 		sk=x->req_info->attributes;
    165 		if (sk_X509_ATTRIBUTE_num(sk) == 0)
    166 			{
    167 			if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
    168 			    goto err;
    169 			}
    170 		else
    171 			{
    172 			for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
    173 				{
    174 				ASN1_TYPE *at;
    175 				X509_ATTRIBUTE *a;
    176 				ASN1_BIT_STRING *bs=NULL;
    177 				ASN1_TYPE *t;
    178 				int j,type=0,count=1,ii=0;
    179 
    180 				a=sk_X509_ATTRIBUTE_value(sk,i);
    181 				if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
    182 									continue;
    183 				if(BIO_printf(bp,"%12s","") <= 0)
    184 				    goto err;
    185 				if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
    186 				{
    187 				if (a->single)
    188 					{
    189 					t=a->value.single;
    190 					type=t->type;
    191 					bs=t->value.bit_string;
    192 					}
    193 				else
    194 					{
    195 					ii=0;
    196 					count=sk_ASN1_TYPE_num(a->value.set);
    197 get_next:
    198 					at=sk_ASN1_TYPE_value(a->value.set,ii);
    199 					type=at->type;
    200 					bs=at->value.asn1_string;
    201 					}
    202 				}
    203 				for (j=25-j; j>0; j--)
    204 					if (BIO_write(bp," ",1) != 1) goto err;
    205 				if (BIO_puts(bp,":") <= 0) goto err;
    206 				if (	(type == V_ASN1_PRINTABLESTRING) ||
    207 					(type == V_ASN1_T61STRING) ||
    208 					(type == V_ASN1_IA5STRING))
    209 					{
    210 					if (BIO_write(bp,(char *)bs->data,bs->length)
    211 						!= bs->length)
    212 						goto err;
    213 					BIO_puts(bp,"\n");
    214 					}
    215 				else
    216 					{
    217 					BIO_puts(bp,"unable to print attribute\n");
    218 					}
    219 				if (++ii < count) goto get_next;
    220 				}
    221 			}
    222 		}
    223 	if(!(cflag & X509_FLAG_NO_EXTENSIONS))
    224 		{
    225 		exts = X509_REQ_get_extensions(x);
    226 		if(exts)
    227 			{
    228 			BIO_printf(bp,"%8sRequested Extensions:\n","");
    229 			for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
    230 				{
    231 				ASN1_OBJECT *obj;
    232 				X509_EXTENSION *ex;
    233 				int j;
    234 				ex=sk_X509_EXTENSION_value(exts, i);
    235 				if (BIO_printf(bp,"%12s","") <= 0) goto err;
    236 				obj=X509_EXTENSION_get_object(ex);
    237 				i2a_ASN1_OBJECT(bp,obj);
    238 				j=X509_EXTENSION_get_critical(ex);
    239 				if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
    240 					goto err;
    241 				if(!X509V3_EXT_print(bp, ex, cflag, 16))
    242 					{
    243 					BIO_printf(bp, "%16s", "");
    244 					M_ASN1_OCTET_STRING_print(bp,ex->value);
    245 					}
    246 				if (BIO_write(bp,"\n",1) <= 0) goto err;
    247 				}
    248 			sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
    249 			}
    250 		}
    251 
    252 	if(!(cflag & X509_FLAG_NO_SIGDUMP))
    253 		{
    254 		if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
    255 		}
    256 
    257 	return(1);
    258 err:
    259 	X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
    260 	return(0);
    261 	}
    262 
    263 int X509_REQ_print(BIO *bp, X509_REQ *x)
    264 	{
    265 	return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
    266 	}
    267