t_req.c revision 59191
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 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(BIO *bp, X509_REQ *x)
86	{
87	unsigned long l;
88	int i,n;
89	char *s;
90	const char *neg;
91	X509_REQ_INFO *ri;
92	EVP_PKEY *pkey;
93	STACK_OF(X509_ATTRIBUTE) *sk;
94	STACK_OF(X509_EXTENSION) *exts;
95	char str[128];
96
97	ri=x->req_info;
98	sprintf(str,"Certificate Request:\n");
99	if (BIO_puts(bp,str) <= 0) goto err;
100	sprintf(str,"%4sData:\n","");
101	if (BIO_puts(bp,str) <= 0) goto err;
102
103	neg=(ri->version->type == V_ASN1_NEG_INTEGER)?"-":"";
104	l=0;
105	for (i=0; i<ri->version->length; i++)
106		{ l<<=8; l+=ri->version->data[i]; }
107	sprintf(str,"%8sVersion: %s%lu (%s0x%lx)\n","",neg,l,neg,l);
108	if (BIO_puts(bp,str) <= 0) goto err;
109	sprintf(str,"%8sSubject: ","");
110	if (BIO_puts(bp,str) <= 0) goto err;
111
112	X509_NAME_print(bp,ri->subject,16);
113	sprintf(str,"\n%8sSubject Public Key Info:\n","");
114	if (BIO_puts(bp,str) <= 0) goto err;
115	i=OBJ_obj2nid(ri->pubkey->algor->algorithm);
116	sprintf(str,"%12sPublic Key Algorithm: %s\n","",
117		(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i));
118	if (BIO_puts(bp,str) <= 0) goto err;
119
120	pkey=X509_REQ_get_pubkey(x);
121#ifndef NO_RSA
122	if (pkey != NULL && pkey->type == EVP_PKEY_RSA)
123		{
124		BIO_printf(bp,"%12sRSA Public Key: (%d bit)\n","",
125			BN_num_bits(pkey->pkey.rsa->n));
126		RSA_print(bp,pkey->pkey.rsa,16);
127		}
128	else
129#endif
130#ifndef NO_DSA
131		if (pkey != NULL && pkey->type == EVP_PKEY_DSA)
132		{
133		BIO_printf(bp,"%12sDSA Public Key:\n","");
134		DSA_print(bp,pkey->pkey.dsa,16);
135		}
136	else
137#endif
138		BIO_printf(bp,"%12sUnknown Public Key:\n","");
139
140	if (pkey != NULL)
141	    EVP_PKEY_free(pkey);
142
143	/* may not be */
144	sprintf(str,"%8sAttributes:\n","");
145	if (BIO_puts(bp,str) <= 0) goto err;
146
147	sk=x->req_info->attributes;
148	if ((sk == NULL) || (sk_X509_ATTRIBUTE_num(sk) == 0))
149		{
150		if (!x->req_info->req_kludge)
151			{
152			sprintf(str,"%12sa0:00\n","");
153			if (BIO_puts(bp,str) <= 0) goto err;
154			}
155		}
156	else
157		{
158		for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++)
159			{
160			ASN1_TYPE *at;
161			X509_ATTRIBUTE *a;
162			ASN1_BIT_STRING *bs=NULL;
163			ASN1_TYPE *t;
164			int j,type=0,count=1,ii=0;
165
166			a=sk_X509_ATTRIBUTE_value(sk,i);
167			if(X509_REQ_extension_nid(OBJ_obj2nid(a->object)))
168								continue;
169			sprintf(str,"%12s","");
170			if (BIO_puts(bp,str) <= 0) goto err;
171			if ((j=i2a_ASN1_OBJECT(bp,a->object)) > 0)
172			{
173			if (a->set)
174				{
175				ii=0;
176				count=sk_ASN1_TYPE_num(a->value.set);
177get_next:
178				at=sk_ASN1_TYPE_value(a->value.set,ii);
179				type=at->type;
180				bs=at->value.asn1_string;
181				}
182			else
183				{
184				t=a->value.single;
185				type=t->type;
186				bs=t->value.bit_string;
187				}
188			}
189			for (j=25-j; j>0; j--)
190				if (BIO_write(bp," ",1) != 1) goto err;
191			if (BIO_puts(bp,":") <= 0) goto err;
192			if (	(type == V_ASN1_PRINTABLESTRING) ||
193				(type == V_ASN1_T61STRING) ||
194				(type == V_ASN1_IA5STRING))
195				{
196				if (BIO_write(bp,(char *)bs->data,bs->length)
197					!= bs->length)
198					goto err;
199				BIO_puts(bp,"\n");
200				}
201			else
202				{
203				BIO_puts(bp,"unable to print attribute\n");
204				}
205			if (++ii < count) goto get_next;
206			}
207		}
208
209	exts = X509_REQ_get_extensions(x);
210	if(exts) {
211		BIO_printf(bp,"%8sRequested Extensions:\n","");
212		for (i=0; i<sk_X509_EXTENSION_num(exts); i++) {
213			ASN1_OBJECT *obj;
214			X509_EXTENSION *ex;
215			int j;
216			ex=sk_X509_EXTENSION_value(exts, i);
217			if (BIO_printf(bp,"%12s","") <= 0) goto err;
218			obj=X509_EXTENSION_get_object(ex);
219			i2a_ASN1_OBJECT(bp,obj);
220			j=X509_EXTENSION_get_critical(ex);
221			if (BIO_printf(bp,": %s\n",j?"critical":"","") <= 0)
222				goto err;
223			if(!X509V3_EXT_print(bp, ex, 0, 16)) {
224				BIO_printf(bp, "%16s", "");
225				M_ASN1_OCTET_STRING_print(bp,ex->value);
226			}
227			if (BIO_write(bp,"\n",1) <= 0) goto err;
228		}
229		sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
230	}
231
232	i=OBJ_obj2nid(x->sig_alg->algorithm);
233	sprintf(str,"%4sSignature Algorithm: %s","",
234		(i == NID_undef)?"UNKNOWN":OBJ_nid2ln(i));
235	if (BIO_puts(bp,str) <= 0) goto err;
236
237	n=x->signature->length;
238	s=(char *)x->signature->data;
239	for (i=0; i<n; i++)
240		{
241		if ((i%18) == 0)
242			{
243			sprintf(str,"\n%8s","");
244			if (BIO_puts(bp,str) <= 0) goto err;
245			}
246		sprintf(str,"%02x%s",(unsigned char)s[i],((i+1) == n)?"":":");
247		if (BIO_puts(bp,str) <= 0) goto err;
248		}
249	if (BIO_puts(bp,"\n") <= 0) goto err;
250	return(1);
251err:
252	X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB);
253	return(0);
254	}
255