1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to.  The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 *    notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 *    notice, this list of conditions and the following disclaimer in the
29 *    documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 *    must display the following acknowledgement:
32 *    "This product includes cryptographic software written by
33 *     Eric Young (eay@cryptsoft.com)"
34 *    The word 'cryptographic' can be left out if the rouines from the library
35 *    being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 *    the apps directory (application code) you must include an acknowledgement:
38 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed.  i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57#include <openssl/asn1.h>
58#include <openssl/bio.h>
59#include <openssl/digest.h>
60#include <openssl/err.h>
61#include <openssl/evp.h>
62#include <openssl/mem.h>
63#include <openssl/obj.h>
64#include <openssl/x509.h>
65#include <openssl/x509v3.h>
66
67#include "../evp/internal.h"
68
69#ifndef OPENSSL_NO_FP_API
70int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, unsigned long cflag)
71        {
72        BIO *b;
73        int ret;
74
75        if ((b=BIO_new(BIO_s_file())) == NULL)
76		{
77		OPENSSL_PUT_ERROR(X509, X509_print_ex_fp, ERR_R_BUF_LIB);
78                return(0);
79		}
80        BIO_set_fp(b,fp,BIO_NOCLOSE);
81        ret=X509_print_ex(b, x, nmflag, cflag);
82        BIO_free(b);
83        return(ret);
84        }
85
86int X509_print_fp(FILE *fp, X509 *x)
87	{
88	return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
89	}
90#endif
91
92int X509_print(BIO *bp, X509 *x)
93{
94	return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
95}
96
97int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, unsigned long cflag)
98	{
99	long l;
100	int ret=0,i;
101	char *m=NULL,mlch = ' ';
102	int nmindent = 0;
103	X509_CINF *ci;
104	ASN1_INTEGER *bs;
105	EVP_PKEY *pkey=NULL;
106	const char *neg;
107
108	if((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
109			mlch = '\n';
110			nmindent = 12;
111	}
112
113	if(nmflags == X509_FLAG_COMPAT)
114		nmindent = 16;
115
116	ci=x->cert_info;
117	if(!(cflag & X509_FLAG_NO_HEADER))
118		{
119		if (BIO_write(bp,"Certificate:\n",13) <= 0) goto err;
120		if (BIO_write(bp,"    Data:\n",10) <= 0) goto err;
121		}
122	if(!(cflag & X509_FLAG_NO_VERSION))
123		{
124		l=X509_get_version(x);
125		if (BIO_printf(bp,"%8sVersion: %lu (0x%lx)\n","",l+1,l) <= 0) goto err;
126		}
127	if(!(cflag & X509_FLAG_NO_SERIAL))
128		{
129
130		if (BIO_write(bp,"        Serial Number:",22) <= 0) goto err;
131
132		bs=X509_get_serialNumber(x);
133		if (bs->length <= (int)sizeof(long))
134			{
135			l=ASN1_INTEGER_get(bs);
136			if (bs->type == V_ASN1_NEG_INTEGER)
137				{
138				l= -l;
139				neg="-";
140				}
141			else
142				neg="";
143			if (BIO_printf(bp," %s%lu (%s0x%lx)\n",neg,l,neg,l) <= 0)
144				goto err;
145			}
146		else
147			{
148			neg=(bs->type == V_ASN1_NEG_INTEGER)?" (Negative)":"";
149			if (BIO_printf(bp,"\n%12s%s","",neg) <= 0) goto err;
150
151			for (i=0; i<bs->length; i++)
152				{
153				if (BIO_printf(bp,"%02x%c",bs->data[i],
154					((i+1 == bs->length)?'\n':':')) <= 0)
155					goto err;
156				}
157			}
158
159		}
160
161	if(!(cflag & X509_FLAG_NO_SIGNAME))
162		{
163		if(X509_signature_print(bp, x->sig_alg, NULL) <= 0)
164			goto err;
165#if 0
166		if (BIO_printf(bp,"%8sSignature Algorithm: ","") <= 0)
167			goto err;
168		if (i2a_ASN1_OBJECT(bp, ci->signature->algorithm) <= 0)
169			goto err;
170		if (BIO_puts(bp, "\n") <= 0)
171			goto err;
172#endif
173		}
174
175	if(!(cflag & X509_FLAG_NO_ISSUER))
176		{
177		if (BIO_printf(bp,"        Issuer:%c",mlch) <= 0) goto err;
178		if (X509_NAME_print_ex(bp,X509_get_issuer_name(x),nmindent, nmflags) < 0) goto err;
179		if (BIO_write(bp,"\n",1) <= 0) goto err;
180		}
181	if(!(cflag & X509_FLAG_NO_VALIDITY))
182		{
183		if (BIO_write(bp,"        Validity\n",17) <= 0) goto err;
184		if (BIO_write(bp,"            Not Before: ",24) <= 0) goto err;
185		if (!ASN1_TIME_print(bp,X509_get_notBefore(x))) goto err;
186		if (BIO_write(bp,"\n            Not After : ",25) <= 0) goto err;
187		if (!ASN1_TIME_print(bp,X509_get_notAfter(x))) goto err;
188		if (BIO_write(bp,"\n",1) <= 0) goto err;
189		}
190	if(!(cflag & X509_FLAG_NO_SUBJECT))
191		{
192		if (BIO_printf(bp,"        Subject:%c",mlch) <= 0) goto err;
193		if (X509_NAME_print_ex(bp,X509_get_subject_name(x),nmindent, nmflags) < 0) goto err;
194		if (BIO_write(bp,"\n",1) <= 0) goto err;
195		}
196	if(!(cflag & X509_FLAG_NO_PUBKEY))
197		{
198		if (BIO_write(bp,"        Subject Public Key Info:\n",33) <= 0)
199			goto err;
200		if (BIO_printf(bp,"%12sPublic Key Algorithm: ","") <= 0)
201			goto err;
202		if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0)
203			goto err;
204		if (BIO_puts(bp, "\n") <= 0)
205			goto err;
206
207		pkey=X509_get_pubkey(x);
208		if (pkey == NULL)
209			{
210			BIO_printf(bp,"%12sUnable to load Public Key\n","");
211			BIO_print_errors(bp);
212			}
213		else
214			{
215			EVP_PKEY_print_public(bp, pkey, 16, NULL);
216			EVP_PKEY_free(pkey);
217			}
218		}
219
220	if(!(cflag & X509_FLAG_NO_IDS))
221		{
222		if (ci->issuerUID)
223			{
224			if (BIO_printf(bp,"%8sIssuer Unique ID: ","") <= 0)
225				goto err;
226			if (!X509_signature_dump(bp, ci->issuerUID, 12))
227				goto err;
228			}
229		if (ci->subjectUID)
230			{
231			if (BIO_printf(bp,"%8sSubject Unique ID: ","") <= 0)
232				goto err;
233			if (!X509_signature_dump(bp, ci->subjectUID, 12))
234				goto err;
235			}
236		}
237
238	if (!(cflag & X509_FLAG_NO_EXTENSIONS))
239		X509V3_extensions_print(bp, "X509v3 extensions",
240					ci->extensions, cflag, 8);
241
242	if(!(cflag & X509_FLAG_NO_SIGDUMP))
243		{
244		if(X509_signature_print(bp, x->sig_alg, x->signature) <= 0) goto err;
245		}
246	if(!(cflag & X509_FLAG_NO_AUX))
247		{
248		if (!X509_CERT_AUX_print(bp, x->aux, 0)) goto err;
249		}
250	ret=1;
251err:
252	if (m != NULL) OPENSSL_free(m);
253	return(ret);
254	}
255
256int X509_ocspid_print (BIO *bp, X509 *x)
257	{
258	unsigned char *der=NULL ;
259	unsigned char *dertmp;
260	int derlen;
261	int i;
262	unsigned char SHA1md[SHA_DIGEST_LENGTH];
263
264	/* display the hash of the subject as it would appear
265	   in OCSP requests */
266	if (BIO_printf(bp,"        Subject OCSP hash: ") <= 0)
267		goto err;
268	derlen = i2d_X509_NAME(x->cert_info->subject, NULL);
269	if ((der = dertmp = (unsigned char *)OPENSSL_malloc (derlen)) == NULL)
270		goto err;
271	i2d_X509_NAME(x->cert_info->subject, &dertmp);
272
273	if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
274		goto err;
275	for (i=0; i < SHA_DIGEST_LENGTH; i++)
276		{
277		if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0) goto err;
278		}
279	OPENSSL_free (der);
280	der=NULL;
281
282	/* display the hash of the public key as it would appear
283	   in OCSP requests */
284	if (BIO_printf(bp,"\n        Public key OCSP hash: ") <= 0)
285		goto err;
286
287	if (!EVP_Digest(x->cert_info->key->public_key->data,
288			x->cert_info->key->public_key->length,
289			SHA1md, NULL, EVP_sha1(), NULL))
290		goto err;
291	for (i=0; i < SHA_DIGEST_LENGTH; i++)
292		{
293		if (BIO_printf(bp,"%02X",SHA1md[i]) <= 0)
294			goto err;
295		}
296	BIO_printf(bp,"\n");
297
298	return (1);
299err:
300	if (der != NULL) OPENSSL_free(der);
301	return(0);
302	}
303
304int X509_signature_print(BIO *bp, X509_ALGOR *sigalg, ASN1_STRING *sig)
305{
306	int sig_nid;
307	if (BIO_puts(bp,"    Signature Algorithm: ") <= 0) return 0;
308	if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) return 0;
309
310	sig_nid = OBJ_obj2nid(sigalg->algorithm);
311	if (sig_nid != NID_undef)
312		{
313		int pkey_nid, dig_nid;
314		const EVP_PKEY_ASN1_METHOD *ameth;
315		if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid))
316			{
317			ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
318			if (ameth && ameth->sig_print)
319				return ameth->sig_print(bp, sigalg, sig, 9, 0);
320			}
321		}
322	if (sig)
323		return X509_signature_dump(bp, sig, 9);
324	else if (BIO_puts(bp, "\n") <= 0)
325		return 0;
326	return 1;
327}
328
329int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
330	{
331	int i,n;
332	char buf[80];
333	const char *p;
334
335	if (v == NULL) return(0);
336	n=0;
337	p=(const char *)v->data;
338	for (i=0; i<v->length; i++)
339		{
340		if ((p[i] > '~') || ((p[i] < ' ') &&
341			(p[i] != '\n') && (p[i] != '\r')))
342			buf[n]='.';
343		else
344			buf[n]=p[i];
345		n++;
346		if (n >= 80)
347			{
348			if (BIO_write(bp,buf,n) <= 0)
349				return(0);
350			n=0;
351			}
352		}
353	if (n > 0)
354		if (BIO_write(bp,buf,n) <= 0)
355			return(0);
356	return(1);
357	}
358
359int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm)
360{
361	if(tm->type == V_ASN1_UTCTIME) return ASN1_UTCTIME_print(bp, tm);
362	if(tm->type == V_ASN1_GENERALIZEDTIME)
363				return ASN1_GENERALIZEDTIME_print(bp, tm);
364	BIO_write(bp,"Bad time value",14);
365	return(0);
366}
367
368static const char *mon[12]=
369    {
370    "Jan","Feb","Mar","Apr","May","Jun",
371    "Jul","Aug","Sep","Oct","Nov","Dec"
372    };
373
374int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
375	{
376	char *v;
377	int gmt=0;
378	int i;
379	int y=0,M=0,d=0,h=0,m=0,s=0;
380	char *f = NULL;
381	int f_len = 0;
382
383	i=tm->length;
384	v=(char *)tm->data;
385
386	if (i < 12) goto err;
387	if (v[i-1] == 'Z') gmt=1;
388	for (i=0; i<12; i++)
389		if ((v[i] > '9') || (v[i] < '0')) goto err;
390	y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
391	M= (v[4]-'0')*10+(v[5]-'0');
392	if ((M > 12) || (M < 1)) goto err;
393	d= (v[6]-'0')*10+(v[7]-'0');
394	h= (v[8]-'0')*10+(v[9]-'0');
395	m=  (v[10]-'0')*10+(v[11]-'0');
396	if (tm->length >= 14 &&
397	    (v[12] >= '0') && (v[12] <= '9') &&
398	    (v[13] >= '0') && (v[13] <= '9'))
399		{
400		s=  (v[12]-'0')*10+(v[13]-'0');
401		/* Check for fractions of seconds. */
402		if (tm->length >= 15 && v[14] == '.')
403			{
404			int l = tm->length;
405			f = &v[14];	/* The decimal point. */
406			f_len = 1;
407			while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9')
408				++f_len;
409			}
410		}
411
412	if (BIO_printf(bp,"%s %2d %02d:%02d:%02d%.*s %d%s",
413		mon[M-1],d,h,m,s,f_len,f,y,(gmt)?" GMT":"") <= 0)
414		return(0);
415	else
416		return(1);
417err:
418	BIO_write(bp,"Bad time value",14);
419	return(0);
420	}
421
422int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
423	{
424	const char *v;
425	int gmt=0;
426	int i;
427	int y=0,M=0,d=0,h=0,m=0,s=0;
428
429	i=tm->length;
430	v=(const char *)tm->data;
431
432	if (i < 10) goto err;
433	if (v[i-1] == 'Z') gmt=1;
434	for (i=0; i<10; i++)
435		if ((v[i] > '9') || (v[i] < '0')) goto err;
436	y= (v[0]-'0')*10+(v[1]-'0');
437	if (y < 50) y+=100;
438	M= (v[2]-'0')*10+(v[3]-'0');
439	if ((M > 12) || (M < 1)) goto err;
440	d= (v[4]-'0')*10+(v[5]-'0');
441	h= (v[6]-'0')*10+(v[7]-'0');
442	m=  (v[8]-'0')*10+(v[9]-'0');
443	if (tm->length >=12 &&
444	    (v[10] >= '0') && (v[10] <= '9') &&
445	    (v[11] >= '0') && (v[11] <= '9'))
446		s=  (v[10]-'0')*10+(v[11]-'0');
447
448	if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
449		mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"") <= 0)
450		return(0);
451	else
452		return(1);
453err:
454	BIO_write(bp,"Bad time value",14);
455	return(0);
456	}
457
458int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
459	{
460	char *s,*c,*b;
461	int ret=0,l,i;
462
463	l=80-2-obase;
464
465	b=X509_NAME_oneline(name,NULL,0);
466	if (!b)
467		return 0;
468	if (!*b)
469		{
470		OPENSSL_free(b);
471		return 1;
472		}
473	s=b+1; /* skip the first slash */
474
475	c=s;
476	for (;;)
477		{
478		if (	((*s == '/') &&
479				((s[1] >= 'A') && (s[1] <= 'Z') && (
480					(s[2] == '=') ||
481					((s[2] >= 'A') && (s[2] <= 'Z') &&
482					(s[3] == '='))
483				 ))) ||
484			(*s == '\0'))
485			{
486			i=s-c;
487			if (BIO_write(bp,c,i) != i) goto err;
488			c=s+1;	/* skip following slash */
489			if (*s != '\0')
490				{
491				if (BIO_write(bp,", ",2) != 2) goto err;
492				}
493			l--;
494			}
495		if (*s == '\0') break;
496		s++;
497		l--;
498		}
499
500	ret=1;
501	if (0)
502		{
503err:
504		OPENSSL_PUT_ERROR(X509, X509_NAME_print, ERR_R_BUF_LIB);
505		}
506	OPENSSL_free(b);
507	return(ret);
508	}
509