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			{
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);
197get_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);
258err:
259	X509err(X509_F_X509_REQ_PRINT_EX,ERR_R_BUF_LIB);
260	return(0);
261	}
262
263int 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