1/* crypto/asn1/t_req.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@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@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@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@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
74int 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
91int 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#ifndef OPENSSL_NO_RSA
153		if (pkey->type == EVP_PKEY_RSA)
154			{
155			BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
156			BN_num_bits(pkey->pkey.rsa->n));
157			RSA_print(bp,pkey->pkey.rsa,16);
158			}
159		else
160#endif
161#ifndef OPENSSL_NO_DSA
162		if (pkey->type == EVP_PKEY_DSA)
163			{
164			BIO_printf(bp,"%12sDSA Public Key:\n","");
165			DSA_print(bp,pkey->pkey.dsa,16);
166			}
167		else
168#endif
169#ifndef OPENSSL_NO_EC
170		if (pkey->type == EVP_PKEY_EC)
171		{
172			BIO_printf(bp, "%12sEC Public Key: \n","");
173			EC_KEY_print(bp, pkey->pkey.ec, 16);
174		}
175	else
176#endif
177			BIO_printf(bp,"%12sUnknown Public Key:\n","");
178
179		EVP_PKEY_free(pkey);
180		}
181
182	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
183		{
184		/* may not be */
185		if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
186		    goto err;
187
188		sk=x->req_info->attributes;
189		if (sk_X509_ATTRIBUTE_num(sk) == 0)
190			{
191			if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
192			    goto err;
193			}
194		else
195			{
196			for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
197				{
198				ASN1_TYPE *at;
199				X509_ATTRIBUTE *a;
200				ASN1_BIT_STRING *bs=NULL;
201				ASN1_TYPE *t;
202				int j,type=0,count=1,ii=0;
203
204				a=sk_X509_ATTRIBUTE_value(sk,i);
205				if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
206									continue;
207				if(BIO_printf(bp,"%12s","") <= 0)
208				    goto err;
209				if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
210				{
211				if (a->single)
212					{
213					t=a->value.single;
214					type=t->type;
215					bs=t->value.bit_string;
216					}
217				else
218					{
219					ii=0;
220					count=sk_ASN1_TYPE_num(a->value.set);
221get_next:
222					at=sk_ASN1_TYPE_value(a->value.set,ii);
223					type=at->type;
224					bs=at->value.asn1_string;
225					}
226				}
227				for (j=25-j; j>0; j--)
228					if (BIO_write(bp," ",1) != 1) goto err;
229				if (BIO_puts(bp,":") <= 0) goto err;
230				if (	(type == V_ASN1_PRINTABLESTRING) ||
231					(type == V_ASN1_T61STRING) ||
232					(type == V_ASN1_IA5STRING))
233					{
234					if (BIO_write(bp,(char *)bs->data,bs->length)
235						!= bs->length)
236						goto err;
237					BIO_puts(bp,"\n");
238					}
239				else
240					{
241					BIO_puts(bp,"unable to print attribute\n");
242					}
243				if (++ii < count) goto get_next;
244				}
245			}
246		}
247	if(!(cflag & X509_FLAG_NO_EXTENSIONS))
248		{
249		exts = X509_REQ_get_extensions(x);
250		if(exts)
251			{
252			BIO_printf(bp,"%8sRequested Extensions:\n","");
253			for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
254				{
255				ASN1_OBJECT *obj;
256				X509_EXTENSION *ex;
257				int j;
258				ex=sk_X509_EXTENSION_value(exts, i);
259				if (BIO_printf(bp,"%12s","") <= 0) goto err;
260				obj=X509_EXTENSION_get_object(ex);
261				i2a_ASN1_OBJECT(bp,obj);
262				j=X509_EXTENSION_get_critical(ex);
263				if (BIO_printf(bp,": %s\n",j?"critical":"") <= 0)
264					goto err;
265				if(!X509V3_EXT_print(bp, ex, cflag, 16))
266					{
267					BIO_printf(bp, "%16s", "");
268					M_ASN1_OCTET_STRING_print(bp,ex->value);
269					}
270				if (BIO_write(bp,"\n",1) <= 0) goto err;
271				}
272			sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
273			}
274		}
275
276	if(!(cflag & X509_FLAG_NO_SIGDUMP))
277		{
278		if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
279		}
280
281	return(1);
282err:
283	X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
284	return(0);
285	}
286
287int X509_REQ_print(BIO *bp, X509_REQ *x)
288	{
289	return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
290	}
291