1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
|
/*
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/bn.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "crypto/asn1.h"
#ifndef OPENSSL_NO_STDIO
int X509_print_fp(FILE *fp, X509 *x)
{
return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}
int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
unsigned long cflag)
{
BIO *b;
int ret;
if ((b = BIO_new(BIO_s_file())) == NULL) {
X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
return 0;
}
BIO_set_fp(b, fp, BIO_NOCLOSE);
ret = X509_print_ex(b, x, nmflag, cflag);
BIO_free(b);
return ret;
}
#endif
int X509_print(BIO *bp, X509 *x)
{
return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
}
int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
unsigned long cflag)
{
long l;
int ret = 0, i;
char *m = NULL, mlch = ' ';
int nmindent = 0;
ASN1_INTEGER *bs;
EVP_PKEY *pkey = NULL;
const char *neg;
if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mlch = '\n';
nmindent = 12;
}
if (nmflags == X509_FLAG_COMPAT)
nmindent = 16;
if (!(cflag & X509_FLAG_NO_HEADER)) {
if (BIO_write(bp, "Certificate:\n", 13) <= 0)
goto err;
if (BIO_write(bp, " Data:\n", 10) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_VERSION)) {
l = X509_get_version(x);
if (l >= 0 && l <= 2) {
if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
goto err;
} else {
if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
goto err;
}
}
if (!(cflag & X509_FLAG_NO_SERIAL)) {
if (BIO_write(bp, " Serial Number:", 22) <= 0)
goto err;
bs = X509_get_serialNumber(x);
if (bs->length <= (int)sizeof(long)) {
ERR_set_mark();
l = ASN1_INTEGER_get(bs);
ERR_pop_to_mark();
} else {
l = -1;
}
if (l != -1) {
unsigned long ul;
if (bs->type == V_ASN1_NEG_INTEGER) {
ul = 0 - (unsigned long)l;
neg = "-";
} else {
ul = l;
neg = "";
}
if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
goto err;
} else {
neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
goto err;
for (i = 0; i < bs->length; i++) {
if (BIO_printf(bp, "%02x%c", bs->data[i],
((i + 1 == bs->length) ? '\n' : ':')) <= 0)
goto err;
}
}
}
if (!(cflag & X509_FLAG_NO_SIGNAME)) {
const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
if (BIO_puts(bp, " ") <= 0)
goto err;
if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_ISSUER)) {
if (BIO_printf(bp, " Issuer:%c", mlch) <= 0)
goto err;
if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
< 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_VALIDITY)) {
if (BIO_write(bp, " Validity\n", 17) <= 0)
goto err;
if (BIO_write(bp, " Not Before: ", 24) <= 0)
goto err;
if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
goto err;
if (BIO_write(bp, "\n Not After : ", 25) <= 0)
goto err;
if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_SUBJECT)) {
if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
goto err;
if (X509_NAME_print_ex
(bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
goto err;
if (BIO_write(bp, "\n", 1) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_PUBKEY)) {
X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
ASN1_OBJECT *xpoid;
X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
goto err;
if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
goto err;
if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
goto err;
if (BIO_puts(bp, "\n") <= 0)
goto err;
pkey = X509_get0_pubkey(x);
if (pkey == NULL) {
BIO_printf(bp, "%12sUnable to load Public Key\n", "");
ERR_print_errors(bp);
} else {
EVP_PKEY_print_public(bp, pkey, 16, NULL);
}
}
if (!(cflag & X509_FLAG_NO_IDS)) {
const ASN1_BIT_STRING *iuid, *suid;
X509_get0_uids(x, &iuid, &suid);
if (iuid != NULL) {
if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
goto err;
if (!X509_signature_dump(bp, iuid, 12))
goto err;
}
if (suid != NULL) {
if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
goto err;
if (!X509_signature_dump(bp, suid, 12))
goto err;
}
}
if (!(cflag & X509_FLAG_NO_EXTENSIONS))
X509V3_extensions_print(bp, "X509v3 extensions",
X509_get0_extensions(x), cflag, 8);
if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
const X509_ALGOR *sig_alg;
const ASN1_BIT_STRING *sig;
X509_get0_signature(&sig, &sig_alg, x);
if (X509_signature_print(bp, sig_alg, sig) <= 0)
goto err;
}
if (!(cflag & X509_FLAG_NO_AUX)) {
if (!X509_aux_print(bp, x, 0))
goto err;
}
ret = 1;
err:
OPENSSL_free(m);
return ret;
}
int X509_ocspid_print(BIO *bp, X509 *x)
{
unsigned char *der = NULL;
unsigned char *dertmp;
int derlen;
int i;
unsigned char SHA1md[SHA_DIGEST_LENGTH];
ASN1_BIT_STRING *keybstr;
X509_NAME *subj;
/*
* display the hash of the subject as it would appear in OCSP requests
*/
if (BIO_printf(bp, " Subject OCSP hash: ") <= 0)
goto err;
subj = X509_get_subject_name(x);
derlen = i2d_X509_NAME(subj, NULL);
if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
goto err;
i2d_X509_NAME(subj, &dertmp);
if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
goto err;
for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
goto err;
}
OPENSSL_free(der);
der = NULL;
/*
* display the hash of the public key as it would appear in OCSP requests
*/
if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0)
goto err;
keybstr = X509_get0_pubkey_bitstr(x);
if (keybstr == NULL)
goto err;
if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
NULL))
goto err;
for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
goto err;
}
BIO_printf(bp, "\n");
return 1;
err:
OPENSSL_free(der);
return 0;
}
int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
{
const unsigned char *s;
int i, n;
n = sig->length;
s = sig->data;
for (i = 0; i < n; i++) {
if ((i % 18) == 0) {
if (BIO_write(bp, "\n", 1) <= 0)
return 0;
if (BIO_indent(bp, indent, indent) <= 0)
return 0;
}
if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
return 0;
}
if (BIO_write(bp, "\n", 1) != 1)
return 0;
return 1;
}
int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
const ASN1_STRING *sig)
{
int sig_nid;
if (BIO_puts(bp, " Signature Algorithm: ") <= 0)
return 0;
if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
return 0;
sig_nid = OBJ_obj2nid(sigalg->algorithm);
if (sig_nid != NID_undef) {
int pkey_nid, dig_nid;
const EVP_PKEY_ASN1_METHOD *ameth;
if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
if (ameth && ameth->sig_print)
return ameth->sig_print(bp, sigalg, sig, 9, 0);
}
}
if (sig)
return X509_signature_dump(bp, sig, 9);
else if (BIO_puts(bp, "\n") <= 0)
return 0;
return 1;
}
int X509_aux_print(BIO *out, X509 *x, int indent)
{
char oidstr[80], first;
STACK_OF(ASN1_OBJECT) *trust, *reject;
const unsigned char *alias, *keyid;
int keyidlen;
int i;
if (X509_trusted(x) == 0)
return 1;
trust = X509_get0_trust_objects(x);
reject = X509_get0_reject_objects(x);
if (trust) {
first = 1;
BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
if (!first)
BIO_puts(out, ", ");
else
first = 0;
OBJ_obj2txt(oidstr, sizeof(oidstr),
sk_ASN1_OBJECT_value(trust, i), 0);
BIO_puts(out, oidstr);
}
BIO_puts(out, "\n");
} else
BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
if (reject) {
first = 1;
BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
if (!first)
BIO_puts(out, ", ");
else
first = 0;
OBJ_obj2txt(oidstr, sizeof(oidstr),
sk_ASN1_OBJECT_value(reject, i), 0);
BIO_puts(out, oidstr);
}
BIO_puts(out, "\n");
} else
BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
alias = X509_alias_get0(x, &i);
if (alias)
BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias);
keyid = X509_keyid_get0(x, &keyidlen);
if (keyid) {
BIO_printf(out, "%*sKey Id: ", indent, "");
for (i = 0; i < keyidlen; i++)
BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
BIO_write(out, "\n", 1);
}
return 1;
}
|
