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
67#ifndef OPENSSL_NO_FP_API
68int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
69        {
70        BIO *b;
71        int ret;
72
73        if ((b=BIO_new(BIO_s_file())) == NULL)
74		{
75		X509err(X509_F_X509_REQ_PRINT_FP,ERR_R_BUF_LIB);
76                return(0);
77		}
78        BIO_set_fp(b,fp,BIO_NOCLOSE);
79        ret=X509_REQ_print(b, x);
80        BIO_free(b);
81        return(ret);
82        }
83#endif
84
85int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags, unsigned long cflag)
86	{
87	unsigned long l;
88	int i;
89	const char *neg;
90	X509_REQ_INFO *ri;
91	EVP_PKEY *pkey;
92	STACK_OF(X509_ATTRIBUTE) *sk;
93	STACK_OF(X509_EXTENSION) *exts;
94	char mlch = ' ';
95	int nmindent = 0;
96
97	if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
98		mlch = '\n';
99		nmindent = 12;
100	}
101
102	if(nmflags == X509_FLAG_COMPAT)
103		nmindent = 16;
104
105
106	ri=x->req_info;
107	if(!(cflag & X509_FLAG_NO_HEADER))
108		{
109		if (BIO_write(bp,"Certificate Request:\n",21) <= 0) goto err;
110		if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
111		}
112	if(!(cflag & X509_FLAG_NO_VERSION))
113		{
114		neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
115		l=0;
116		for (i=0; i<ri->version->length; i++)
117			{ l<<=8; l+=ri->version->data[i]; }
118		if(BIO_printf(bp,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,
119			      l) <= 0)
120		    goto err;
121		}
122        if(!(cflag & X509_FLAG_NO_SUBJECT))
123                {
124                if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
125                if (X509_NAME_print_ex(bp,ri->subject,nmindent, nmflags) < 0) goto err;
126                if (BIO_write(bp,"\n",1) <= 0) goto err;
127                }
128	if(!(cflag & X509_FLAG_NO_PUBKEY))
129		{
130		if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
131			goto err;
132		if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
133			goto err;
134		if (i2a_ASN1_OBJECT(bp, ri->pubkey->algor->algorithm) <= 0)
135			goto err;
136		if (BIO_puts(bp, "\n") <= 0)
137			goto err;
138
139		pkey=X509_REQ_get_pubkey(x);
140		if (pkey == NULL)
141			{
142			BIO_printf(bp,"%12sUnable to load Public Key\n","");
143			ERR_print_errors(bp);
144			}
145		else
146#ifndef OPENSSL_NO_RSA
147		if (pkey->type == EVP_PKEY_RSA)
148			{
149			BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
150			BN_num_bits(pkey->pkey.rsa->n));
151			RSA_print(bp,pkey->pkey.rsa,16);
152			}
153		else
154#endif
155#ifndef OPENSSL_NO_DSA
156		if (pkey->type == EVP_PKEY_DSA)
157			{
158			BIO_printf(bp,"%12sDSA Public Key:\n","");
159			DSA_print(bp,pkey->pkey.dsa,16);
160			}
161		else
162#endif
163			BIO_printf(bp,"%12sUnknown Public Key:\n","");
164
165		EVP_PKEY_free(pkey);
166		}
167
168	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
169		{
170		/* may not be */
171		if(BIO_printf(bp,"%8sAttributes:\n","") <= 0)
172		    goto err;
173
174		sk=x->req_info->attributes;
175		if (sk_X509_ATTRIBUTE_num(sk) == 0)
176			{
177			if(BIO_printf(bp,"%12sa0:00\n","") <= 0)
178			    goto err;
179			}
180		else
181			{
182			for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
183				{
184				ASN1_TYPE *at;
185				X509_ATTRIBUTE *a;
186				ASN1_BIT_STRING *bs=NULL;
187				ASN1_TYPE *t;
188				int j,type=0,count=1,ii=0;
189
190				a=sk_X509_ATTRIBUTE_value(sk,i);
191				if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
192									continue;
193				if(BIO_printf(bp,"%12s","") <= 0)
194				    goto err;
195				if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
196				{
197				if (a->single)
198					{
199					t=a->value.single;
200					type=t->type;
201					bs=t->value.bit_string;
202					}
203				else
204					{
205					ii=0;
206					count=sk_ASN1_TYPE_num(a->value.set);
207get_next:
208					at=sk_ASN1_TYPE_value(a->value.set,ii);
209					type=at->type;
210					bs=at->value.asn1_string;
211					}
212				}
213				for (j=25-j; j>0; j--)
214					if (BIO_write(bp," ",1) != 1) goto err;
215				if (BIO_puts(bp,":") <= 0) goto err;
216				if (	(type == V_ASN1_PRINTABLESTRING) ||
217					(type == V_ASN1_T61STRING) ||
218					(type == V_ASN1_IA5STRING))
219					{
220					if (BIO_write(bp,(char *)bs->data,bs->length)
221						!= bs->length)
222						goto err;
223					BIO_puts(bp,"\n");
224					}
225				else
226					{
227					BIO_puts(bp,"unable to print attribute\n");
228					}
229				if (++ii < count) goto get_next;
230				}
231			}
232		}
233	if(!(cflag & X509_FLAG_NO_ATTRIBUTES))
234		{
235		exts = X509_REQ_get_extensions(x);
236		if(exts)
237			{
238			BIO_printf(bp,"%8sRequested Extensions:\n","");
239			for (i=0; i<sk_X509_EXTENSION_num(exts); i++)
240				{
241				ASN1_OBJECT *obj;
242				X509_EXTENSION *ex;
243				int j;
244				ex=sk_X509_EXTENSION_value(exts, i);
245				if (BIO_printf(bp,"%12s","") <= 0) goto err;
246				obj=X509_EXTENSION_get_object(ex);
247				i2a_ASN1_OBJECT(bp,obj);
248				j=X509_EXTENSION_get_critical(ex);
249				if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
250					goto err;
251				if(!X509V3_EXT_print(bp, ex, 0, 16))
252					{
253					BIO_printf(bp, "%16s", "");
254					M_ASN1_OCTET_STRING_print(bp,ex->value);
255					}
256				if (BIO_write(bp,"\n",1) <= 0) goto err;
257				}
258			sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
259			}
260		}
261
262	if(!(cflag & X509_FLAG_NO_SIGDUMP))
263		{
264		if(!X509_signature_print(bp, x->sig_alg, x->signature)) goto err;
265		}
266
267	return(1);
268err:
269	X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB);
270	return(0);
271	}
272
273int X509_REQ_print(BIO *bp, X509_REQ *x)
274	{
275	return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
276	}
277