xref: /openbsd-src/lib/libcrypto/asn1/t_req.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
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
68 int 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 
85 int 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);
177 get_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);
251 err:
252 	X509err(X509_F_X509_REQ_PRINT,ERR_R_BUF_LIB);
253 	return(0);
254 	}
255