Coverage Report

Created: 2023-09-25 06:41

/src/openssl111/crypto/x509/t_x509.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
3
 *
4
 * Licensed under the OpenSSL license (the "License").  You may not use
5
 * this file except in compliance with the License.  You can obtain a copy
6
 * in the file LICENSE in the source distribution or at
7
 * https://www.openssl.org/source/license.html
8
 */
9
10
#include <stdio.h>
11
#include "internal/cryptlib.h"
12
#include <openssl/buffer.h>
13
#include <openssl/bn.h>
14
#include <openssl/objects.h>
15
#include <openssl/x509.h>
16
#include <openssl/x509v3.h>
17
#include "crypto/asn1.h"
18
19
#ifndef OPENSSL_NO_STDIO
20
int X509_print_fp(FILE *fp, X509 *x)
21
0
{
22
0
    return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
23
0
}
24
25
int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag,
26
                     unsigned long cflag)
27
0
{
28
0
    BIO *b;
29
0
    int ret;
30
31
0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
32
0
        X509err(X509_F_X509_PRINT_EX_FP, ERR_R_BUF_LIB);
33
0
        return 0;
34
0
    }
35
0
    BIO_set_fp(b, fp, BIO_NOCLOSE);
36
0
    ret = X509_print_ex(b, x, nmflag, cflag);
37
0
    BIO_free(b);
38
0
    return ret;
39
0
}
40
#endif
41
42
int X509_print(BIO *bp, X509 *x)
43
4.90k
{
44
4.90k
    return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
45
4.90k
}
46
47
int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags,
48
                  unsigned long cflag)
49
4.90k
{
50
4.90k
    long l;
51
4.90k
    int ret = 0, i;
52
4.90k
    char *m = NULL, mlch = ' ';
53
4.90k
    int nmindent = 0;
54
4.90k
    ASN1_INTEGER *bs;
55
4.90k
    EVP_PKEY *pkey = NULL;
56
4.90k
    const char *neg;
57
58
4.90k
    if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
59
0
        mlch = '\n';
60
0
        nmindent = 12;
61
0
    }
62
63
4.90k
    if (nmflags == X509_FLAG_COMPAT)
64
4.90k
        nmindent = 16;
65
66
4.90k
    if (!(cflag & X509_FLAG_NO_HEADER)) {
67
4.90k
        if (BIO_write(bp, "Certificate:\n", 13) <= 0)
68
0
            goto err;
69
4.90k
        if (BIO_write(bp, "    Data:\n", 10) <= 0)
70
0
            goto err;
71
4.90k
    }
72
4.90k
    if (!(cflag & X509_FLAG_NO_VERSION)) {
73
4.90k
        l = X509_get_version(x);
74
4.90k
        if (l >= 0 && l <= 2) {
75
4.81k
            if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
76
0
                goto err;
77
4.81k
        } else {
78
86
            if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
79
0
                goto err;
80
86
        }
81
4.90k
    }
82
4.90k
    if (!(cflag & X509_FLAG_NO_SERIAL)) {
83
84
4.90k
        if (BIO_write(bp, "        Serial Number:", 22) <= 0)
85
0
            goto err;
86
87
4.90k
        bs = X509_get_serialNumber(x);
88
4.90k
        if (bs->length <= (int)sizeof(long)) {
89
4.75k
                ERR_set_mark();
90
4.75k
                l = ASN1_INTEGER_get(bs);
91
4.75k
                ERR_pop_to_mark();
92
4.75k
        } else {
93
150
            l = -1;
94
150
        }
95
4.90k
        if (l != -1) {
96
4.46k
            unsigned long ul;
97
4.46k
            if (bs->type == V_ASN1_NEG_INTEGER) {
98
1.37k
                ul = 0 - (unsigned long)l;
99
1.37k
                neg = "-";
100
3.08k
            } else {
101
3.08k
                ul = l;
102
3.08k
                neg = "";
103
3.08k
            }
104
4.46k
            if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, ul, neg, ul) <= 0)
105
0
                goto err;
106
4.46k
        } else {
107
440
            neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : "";
108
440
            if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0)
109
0
                goto err;
110
111
6.66k
            for (i = 0; i < bs->length; i++) {
112
6.22k
                if (BIO_printf(bp, "%02x%c", bs->data[i],
113
6.22k
                               ((i + 1 == bs->length) ? '\n' : ':')) <= 0)
114
0
                    goto err;
115
6.22k
            }
116
440
        }
117
118
4.90k
    }
119
120
4.90k
    if (!(cflag & X509_FLAG_NO_SIGNAME)) {
121
4.90k
        const X509_ALGOR *tsig_alg = X509_get0_tbs_sigalg(x);
122
123
4.90k
        if (BIO_puts(bp, "    ") <= 0)
124
0
            goto err;
125
4.90k
        if (X509_signature_print(bp, tsig_alg, NULL) <= 0)
126
0
            goto err;
127
4.90k
    }
128
129
4.90k
    if (!(cflag & X509_FLAG_NO_ISSUER)) {
130
4.90k
        if (BIO_printf(bp, "        Issuer:%c", mlch) <= 0)
131
0
            goto err;
132
4.90k
        if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags)
133
4.90k
            < 0)
134
0
            goto err;
135
4.90k
        if (BIO_write(bp, "\n", 1) <= 0)
136
0
            goto err;
137
4.90k
    }
138
4.90k
    if (!(cflag & X509_FLAG_NO_VALIDITY)) {
139
4.90k
        if (BIO_write(bp, "        Validity\n", 17) <= 0)
140
0
            goto err;
141
4.90k
        if (BIO_write(bp, "            Not Before: ", 24) <= 0)
142
0
            goto err;
143
4.90k
        if (!ASN1_TIME_print(bp, X509_get0_notBefore(x)))
144
1.28k
            goto err;
145
3.61k
        if (BIO_write(bp, "\n            Not After : ", 25) <= 0)
146
0
            goto err;
147
3.61k
        if (!ASN1_TIME_print(bp, X509_get0_notAfter(x)))
148
69
            goto err;
149
3.54k
        if (BIO_write(bp, "\n", 1) <= 0)
150
0
            goto err;
151
3.54k
    }
152
3.54k
    if (!(cflag & X509_FLAG_NO_SUBJECT)) {
153
3.54k
        if (BIO_printf(bp, "        Subject:%c", mlch) <= 0)
154
0
            goto err;
155
3.54k
        if (X509_NAME_print_ex
156
3.54k
            (bp, X509_get_subject_name(x), nmindent, nmflags) < 0)
157
0
            goto err;
158
3.54k
        if (BIO_write(bp, "\n", 1) <= 0)
159
0
            goto err;
160
3.54k
    }
161
3.54k
    if (!(cflag & X509_FLAG_NO_PUBKEY)) {
162
3.54k
        X509_PUBKEY *xpkey = X509_get_X509_PUBKEY(x);
163
3.54k
        ASN1_OBJECT *xpoid;
164
3.54k
        X509_PUBKEY_get0_param(&xpoid, NULL, NULL, NULL, xpkey);
165
3.54k
        if (BIO_write(bp, "        Subject Public Key Info:\n", 33) <= 0)
166
0
            goto err;
167
3.54k
        if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
168
0
            goto err;
169
3.54k
        if (i2a_ASN1_OBJECT(bp, xpoid) <= 0)
170
0
            goto err;
171
3.54k
        if (BIO_puts(bp, "\n") <= 0)
172
0
            goto err;
173
174
3.54k
        pkey = X509_get0_pubkey(x);
175
3.54k
        if (pkey == NULL) {
176
3.36k
            BIO_printf(bp, "%12sUnable to load Public Key\n", "");
177
3.36k
            ERR_print_errors(bp);
178
3.36k
        } else {
179
179
            EVP_PKEY_print_public(bp, pkey, 16, NULL);
180
179
        }
181
3.54k
    }
182
183
3.54k
    if (!(cflag & X509_FLAG_NO_IDS)) {
184
3.54k
        const ASN1_BIT_STRING *iuid, *suid;
185
3.54k
        X509_get0_uids(x, &iuid, &suid);
186
3.54k
        if (iuid != NULL) {
187
21
            if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0)
188
0
                goto err;
189
21
            if (!X509_signature_dump(bp, iuid, 12))
190
0
                goto err;
191
21
        }
192
3.54k
        if (suid != NULL) {
193
8
            if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0)
194
0
                goto err;
195
8
            if (!X509_signature_dump(bp, suid, 12))
196
0
                goto err;
197
8
        }
198
3.54k
    }
199
200
3.54k
    if (!(cflag & X509_FLAG_NO_EXTENSIONS))
201
3.54k
        X509V3_extensions_print(bp, "X509v3 extensions",
202
3.54k
                                X509_get0_extensions(x), cflag, 8);
203
204
3.54k
    if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
205
3.54k
        const X509_ALGOR *sig_alg;
206
3.54k
        const ASN1_BIT_STRING *sig;
207
3.54k
        X509_get0_signature(&sig, &sig_alg, x);
208
3.54k
        if (X509_signature_print(bp, sig_alg, sig) <= 0)
209
0
            goto err;
210
3.54k
    }
211
3.54k
    if (!(cflag & X509_FLAG_NO_AUX)) {
212
3.54k
        if (!X509_aux_print(bp, x, 0))
213
0
            goto err;
214
3.54k
    }
215
3.54k
    ret = 1;
216
4.90k
 err:
217
4.90k
    OPENSSL_free(m);
218
4.90k
    return ret;
219
3.54k
}
220
221
int X509_ocspid_print(BIO *bp, X509 *x)
222
0
{
223
0
    unsigned char *der = NULL;
224
0
    unsigned char *dertmp;
225
0
    int derlen;
226
0
    int i;
227
0
    unsigned char SHA1md[SHA_DIGEST_LENGTH];
228
0
    ASN1_BIT_STRING *keybstr;
229
0
    X509_NAME *subj;
230
231
    /*
232
     * display the hash of the subject as it would appear in OCSP requests
233
     */
234
0
    if (BIO_printf(bp, "        Subject OCSP hash: ") <= 0)
235
0
        goto err;
236
0
    subj = X509_get_subject_name(x);
237
0
    derlen = i2d_X509_NAME(subj, NULL);
238
0
    if ((der = dertmp = OPENSSL_malloc(derlen)) == NULL)
239
0
        goto err;
240
0
    i2d_X509_NAME(subj, &dertmp);
241
242
0
    if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL))
243
0
        goto err;
244
0
    for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
245
0
        if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
246
0
            goto err;
247
0
    }
248
0
    OPENSSL_free(der);
249
0
    der = NULL;
250
251
    /*
252
     * display the hash of the public key as it would appear in OCSP requests
253
     */
254
0
    if (BIO_printf(bp, "\n        Public key OCSP hash: ") <= 0)
255
0
        goto err;
256
257
0
    keybstr = X509_get0_pubkey_bitstr(x);
258
259
0
    if (keybstr == NULL)
260
0
        goto err;
261
262
0
    if (!EVP_Digest(ASN1_STRING_get0_data(keybstr),
263
0
                    ASN1_STRING_length(keybstr), SHA1md, NULL, EVP_sha1(),
264
0
                    NULL))
265
0
        goto err;
266
0
    for (i = 0; i < SHA_DIGEST_LENGTH; i++) {
267
0
        if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0)
268
0
            goto err;
269
0
    }
270
0
    BIO_printf(bp, "\n");
271
272
0
    return 1;
273
0
 err:
274
0
    OPENSSL_free(der);
275
0
    return 0;
276
0
}
277
278
int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent)
279
3.43k
{
280
3.43k
    const unsigned char *s;
281
3.43k
    int i, n;
282
283
3.43k
    n = sig->length;
284
3.43k
    s = sig->data;
285
2.99M
    for (i = 0; i < n; i++) {
286
2.99M
        if ((i % 18) == 0) {
287
166k
            if (BIO_write(bp, "\n", 1) <= 0)
288
0
                return 0;
289
166k
            if (BIO_indent(bp, indent, indent) <= 0)
290
0
                return 0;
291
166k
        }
292
2.99M
        if (BIO_printf(bp, "%02x%s", s[i], ((i + 1) == n) ? "" : ":") <= 0)
293
0
            return 0;
294
2.99M
    }
295
3.43k
    if (BIO_write(bp, "\n", 1) != 1)
296
0
        return 0;
297
298
3.43k
    return 1;
299
3.43k
}
300
301
int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg,
302
                         const ASN1_STRING *sig)
303
8.45k
{
304
8.45k
    int sig_nid;
305
8.45k
    if (BIO_puts(bp, "    Signature Algorithm: ") <= 0)
306
0
        return 0;
307
8.45k
    if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0)
308
0
        return 0;
309
310
8.45k
    sig_nid = OBJ_obj2nid(sigalg->algorithm);
311
8.45k
    if (sig_nid != NID_undef) {
312
887
        int pkey_nid, dig_nid;
313
887
        const EVP_PKEY_ASN1_METHOD *ameth;
314
887
        if (OBJ_find_sigid_algs(sig_nid, &dig_nid, &pkey_nid)) {
315
520
            ameth = EVP_PKEY_asn1_find(NULL, pkey_nid);
316
520
            if (ameth && ameth->sig_print)
317
474
                return ameth->sig_print(bp, sigalg, sig, 9, 0);
318
520
        }
319
887
    }
320
7.97k
    if (sig)
321
3.22k
        return X509_signature_dump(bp, sig, 9);
322
4.75k
    else if (BIO_puts(bp, "\n") <= 0)
323
0
        return 0;
324
4.75k
    return 1;
325
7.97k
}
326
327
int X509_aux_print(BIO *out, X509 *x, int indent)
328
3.54k
{
329
3.54k
    char oidstr[80], first;
330
3.54k
    STACK_OF(ASN1_OBJECT) *trust, *reject;
331
3.54k
    const unsigned char *alias, *keyid;
332
3.54k
    int keyidlen;
333
3.54k
    int i;
334
3.54k
    if (X509_trusted(x) == 0)
335
3.54k
        return 1;
336
0
    trust = X509_get0_trust_objects(x);
337
0
    reject = X509_get0_reject_objects(x);
338
0
    if (trust) {
339
0
        first = 1;
340
0
        BIO_printf(out, "%*sTrusted Uses:\n%*s", indent, "", indent + 2, "");
341
0
        for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
342
0
            if (!first)
343
0
                BIO_puts(out, ", ");
344
0
            else
345
0
                first = 0;
346
0
            OBJ_obj2txt(oidstr, sizeof(oidstr),
347
0
                        sk_ASN1_OBJECT_value(trust, i), 0);
348
0
            BIO_puts(out, oidstr);
349
0
        }
350
0
        BIO_puts(out, "\n");
351
0
    } else
352
0
        BIO_printf(out, "%*sNo Trusted Uses.\n", indent, "");
353
0
    if (reject) {
354
0
        first = 1;
355
0
        BIO_printf(out, "%*sRejected Uses:\n%*s", indent, "", indent + 2, "");
356
0
        for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
357
0
            if (!first)
358
0
                BIO_puts(out, ", ");
359
0
            else
360
0
                first = 0;
361
0
            OBJ_obj2txt(oidstr, sizeof(oidstr),
362
0
                        sk_ASN1_OBJECT_value(reject, i), 0);
363
0
            BIO_puts(out, oidstr);
364
0
        }
365
0
        BIO_puts(out, "\n");
366
0
    } else
367
0
        BIO_printf(out, "%*sNo Rejected Uses.\n", indent, "");
368
0
    alias = X509_alias_get0(x, &i);
369
0
    if (alias)
370
0
        BIO_printf(out, "%*sAlias: %.*s\n", indent, "", i, alias);
371
0
    keyid = X509_keyid_get0(x, &keyidlen);
372
0
    if (keyid) {
373
0
        BIO_printf(out, "%*sKey Id: ", indent, "");
374
0
        for (i = 0; i < keyidlen; i++)
375
0
            BIO_printf(out, "%s%02X", i ? ":" : "", keyid[i]);
376
0
        BIO_write(out, "\n", 1);
377
0
    }
378
0
    return 1;
379
3.54k
}