GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/crypto/../../libssl/src/crypto/x509/x509name.c Lines: 0 163 0.0 %
Date: 2016-12-06 Branches: 0 114 0.0 %

Line Branch Exec Source
1
/* $OpenBSD: x509name.c,v 1.13 2014/09/29 04:17:24 miod Exp $ */
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 <string.h>
61
62
#include <openssl/asn1.h>
63
#include <openssl/err.h>
64
#include <openssl/evp.h>
65
#include <openssl/objects.h>
66
#include <openssl/stack.h>
67
#include <openssl/x509.h>
68
69
int
70
X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len)
71
{
72
	ASN1_OBJECT *obj;
73
74
	obj = OBJ_nid2obj(nid);
75
	if (obj == NULL)
76
		return (-1);
77
	return (X509_NAME_get_text_by_OBJ(name, obj, buf, len));
78
}
79
80
int
81
X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf,
82
    int len)
83
{
84
	int i;
85
	ASN1_STRING *data;
86
87
	i = X509_NAME_get_index_by_OBJ(name, obj, -1);
88
	if (i < 0)
89
		return (-1);
90
	data = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i));
91
	i = (data->length > (len - 1)) ? (len - 1) : data->length;
92
	if (buf == NULL)
93
		return (data->length);
94
	if (i >= 0) {
95
		memcpy(buf, data->data, i);
96
		buf[i] = '\0';
97
	}
98
	return (i);
99
}
100
101
int
102
X509_NAME_entry_count(X509_NAME *name)
103
{
104
	if (name == NULL)
105
		return (0);
106
	return (sk_X509_NAME_ENTRY_num(name->entries));
107
}
108
109
int
110
X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos)
111
{
112
	ASN1_OBJECT *obj;
113
114
	obj = OBJ_nid2obj(nid);
115
	if (obj == NULL)
116
		return (-2);
117
	return (X509_NAME_get_index_by_OBJ(name, obj, lastpos));
118
}
119
120
/* NOTE: you should be passsing -1, not 0 as lastpos */
121
int
122
X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int lastpos)
123
{
124
	int n;
125
	X509_NAME_ENTRY *ne;
126
	STACK_OF(X509_NAME_ENTRY) *sk;
127
128
	if (name == NULL)
129
		return (-1);
130
	if (lastpos < 0)
131
		lastpos = -1;
132
	sk = name->entries;
133
	n = sk_X509_NAME_ENTRY_num(sk);
134
	for (lastpos++; lastpos < n; lastpos++) {
135
		ne = sk_X509_NAME_ENTRY_value(sk, lastpos);
136
		if (OBJ_cmp(ne->object, obj) == 0)
137
			return (lastpos);
138
	}
139
	return (-1);
140
}
141
142
X509_NAME_ENTRY *
143
X509_NAME_get_entry(X509_NAME *name, int loc)
144
{
145
	if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc ||
146
	    loc < 0)
147
		return (NULL);
148
	else
149
		return (sk_X509_NAME_ENTRY_value(name->entries, loc));
150
}
151
152
X509_NAME_ENTRY *
153
X509_NAME_delete_entry(X509_NAME *name, int loc)
154
{
155
	X509_NAME_ENTRY *ret;
156
	int i, n, set_prev, set_next;
157
	STACK_OF(X509_NAME_ENTRY) *sk;
158
159
	if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc ||
160
	    loc < 0)
161
		return (NULL);
162
	sk = name->entries;
163
	ret = sk_X509_NAME_ENTRY_delete(sk, loc);
164
	n = sk_X509_NAME_ENTRY_num(sk);
165
	name->modified = 1;
166
	if (loc == n)
167
		return (ret);
168
169
	/* else we need to fixup the set field */
170
	if (loc != 0)
171
		set_prev = (sk_X509_NAME_ENTRY_value(sk, loc - 1))->set;
172
	else
173
		set_prev = ret->set - 1;
174
	set_next = sk_X509_NAME_ENTRY_value(sk, loc)->set;
175
176
	/* set_prev is the previous set
177
	 * set is the current set
178
	 * set_next is the following
179
	 * prev  1 1	1 1	1 1	1 1
180
	 * set   1	1	2	2
181
	 * next  1 1	2 2	2 2	3 2
182
	 * so basically only if prev and next differ by 2, then
183
	 * re-number down by 1 */
184
	if (set_prev + 1 < set_next)
185
		for (i = loc; i < n; i++)
186
			sk_X509_NAME_ENTRY_value(sk, i)->set--;
187
	return (ret);
188
}
189
190
int
191
X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type,
192
    unsigned char *bytes, int len, int loc, int set)
193
{
194
	X509_NAME_ENTRY *ne;
195
	int ret;
196
197
	ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len);
198
	if (!ne)
199
		return 0;
200
	ret = X509_NAME_add_entry(name, ne, loc, set);
201
	X509_NAME_ENTRY_free(ne);
202
	return ret;
203
}
204
205
int
206
X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
207
    unsigned char *bytes, int len, int loc, int set)
208
{
209
	X509_NAME_ENTRY *ne;
210
	int ret;
211
212
	ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len);
213
	if (!ne)
214
		return 0;
215
	ret = X509_NAME_add_entry(name, ne, loc, set);
216
	X509_NAME_ENTRY_free(ne);
217
	return ret;
218
}
219
220
int
221
X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type,
222
    const unsigned char *bytes, int len, int loc, int set)
223
{
224
	X509_NAME_ENTRY *ne;
225
	int ret;
226
227
	ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len);
228
	if (!ne)
229
		return 0;
230
	ret = X509_NAME_add_entry(name, ne, loc, set);
231
	X509_NAME_ENTRY_free(ne);
232
	return ret;
233
}
234
235
/* if set is -1, append to previous set, 0 'a new one', and 1,
236
 * prepend to the guy we are about to stomp on. */
237
int
238
X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc, int set)
239
{
240
	X509_NAME_ENTRY *new_name = NULL;
241
	int n, i, inc;
242
	STACK_OF(X509_NAME_ENTRY) *sk;
243
244
	if (name == NULL)
245
		return (0);
246
	sk = name->entries;
247
	n = sk_X509_NAME_ENTRY_num(sk);
248
	if (loc > n)
249
		loc = n;
250
	else if (loc < 0)
251
		loc = n;
252
253
	name->modified = 1;
254
255
	if (set == -1) {
256
		if (loc == 0) {
257
			set = 0;
258
			inc = 1;
259
		} else {
260
			set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set;
261
			inc = 0;
262
		}
263
	} else /* if (set >= 0) */ {
264
		if (loc >= n) {
265
			if (loc != 0)
266
				set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set + 1;
267
			else
268
				set = 0;
269
		} else
270
			set = sk_X509_NAME_ENTRY_value(sk, loc)->set;
271
		inc = (set == 0) ? 1 : 0;
272
	}
273
274
	if ((new_name = X509_NAME_ENTRY_dup(ne)) == NULL)
275
		goto err;
276
	new_name->set = set;
277
	if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) {
278
		X509err(X509_F_X509_NAME_ADD_ENTRY, ERR_R_MALLOC_FAILURE);
279
		goto err;
280
	}
281
	if (inc) {
282
		n = sk_X509_NAME_ENTRY_num(sk);
283
		for (i = loc + 1; i < n; i++)
284
			sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1;
285
	}
286
	return (1);
287
288
err:
289
	if (new_name != NULL)
290
		X509_NAME_ENTRY_free(new_name);
291
	return (0);
292
}
293
294
X509_NAME_ENTRY *
295
X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
296
    const char *field, int type, const unsigned char *bytes, int len)
297
{
298
	ASN1_OBJECT *obj;
299
	X509_NAME_ENTRY *nentry;
300
301
	obj = OBJ_txt2obj(field, 0);
302
	if (obj == NULL) {
303
		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT,
304
		    X509_R_INVALID_FIELD_NAME);
305
		ERR_asprintf_error_data("name=%s", field);
306
		return (NULL);
307
	}
308
	nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
309
	ASN1_OBJECT_free(obj);
310
	return nentry;
311
}
312
313
X509_NAME_ENTRY *
314
X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid, int type,
315
    unsigned char *bytes, int len)
316
{
317
	ASN1_OBJECT *obj;
318
	X509_NAME_ENTRY *nentry;
319
320
	obj = OBJ_nid2obj(nid);
321
	if (obj == NULL) {
322
		X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,
323
		    X509_R_UNKNOWN_NID);
324
		return (NULL);
325
	}
326
	nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len);
327
	ASN1_OBJECT_free(obj);
328
	return nentry;
329
}
330
331
X509_NAME_ENTRY *
332
X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne, ASN1_OBJECT *obj, int type,
333
    const unsigned char *bytes, int len)
334
{
335
	X509_NAME_ENTRY *ret;
336
337
	if ((ne == NULL) || (*ne == NULL)) {
338
		if ((ret = X509_NAME_ENTRY_new()) == NULL)
339
			return (NULL);
340
	} else
341
		ret= *ne;
342
343
	if (!X509_NAME_ENTRY_set_object(ret, obj))
344
		goto err;
345
	if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len))
346
		goto err;
347
348
	if ((ne != NULL) && (*ne == NULL))
349
		*ne = ret;
350
	return (ret);
351
352
err:
353
	if ((ne == NULL) || (ret != *ne))
354
		X509_NAME_ENTRY_free(ret);
355
	return (NULL);
356
}
357
358
int
359
X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj)
360
{
361
	if ((ne == NULL) || (obj == NULL)) {
362
		X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,
363
		    ERR_R_PASSED_NULL_PARAMETER);
364
		return (0);
365
	}
366
	ASN1_OBJECT_free(ne->object);
367
	ne->object = OBJ_dup(obj);
368
	return ((ne->object == NULL) ? 0 : 1);
369
}
370
371
int
372
X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
373
    const unsigned char *bytes, int len)
374
{
375
	int i;
376
377
	if ((ne == NULL) || ((bytes == NULL) && (len != 0)))
378
		return (0);
379
	if ((type > 0) && (type & MBSTRING_FLAG))
380
		return ASN1_STRING_set_by_NID(&ne->value, bytes, len, type,
381
		    OBJ_obj2nid(ne->object)) ? 1 : 0;
382
	if (len < 0)
383
		len = strlen((const char *)bytes);
384
	i = ASN1_STRING_set(ne->value, bytes, len);
385
	if (!i)
386
		return (0);
387
	if (type != V_ASN1_UNDEF) {
388
		if (type == V_ASN1_APP_CHOOSE)
389
			ne->value->type = ASN1_PRINTABLE_type(bytes, len);
390
		else
391
			ne->value->type = type;
392
	}
393
	return (1);
394
}
395
396
ASN1_OBJECT *
397
X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne)
398
{
399
	if (ne == NULL)
400
		return (NULL);
401
	return (ne->object);
402
}
403
404
ASN1_STRING *
405
X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne)
406
{
407
	if (ne == NULL)
408
		return (NULL);
409
	return (ne->value);
410
}