GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcrypto/crypto/../../libssl/src/crypto/pkcs12/p12_crt.c Lines: 0 162 0.0 %
Date: 2016-12-06 Branches: 0 134 0.0 %

Line Branch Exec Source
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/* $OpenBSD: p12_crt.c,v 1.16 2015/02/14 12:43:07 miod Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3
 * project.
4
 */
5
/* ====================================================================
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 * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in
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 *    the documentation and/or other materials provided with the
18
 *    distribution.
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 *
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 * 3. All advertising materials mentioning features or use of this
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 *    software must display the following acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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 *
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 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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 *    endorse or promote products derived from this software without
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 *    prior written permission. For written permission, please contact
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 *    licensing@OpenSSL.org.
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 *
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 * 5. Products derived from this software may not be called "OpenSSL"
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 *    nor may "OpenSSL" appear in their names without prior written
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 *    permission of the OpenSSL Project.
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 *
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 * 6. Redistributions of any form whatsoever must retain the following
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 *    acknowledgment:
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 *    "This product includes software developed by the OpenSSL Project
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 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
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 * ====================================================================
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 *
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 * This product includes cryptographic software written by Eric Young
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 * (eay@cryptsoft.com).  This product includes software written by Tim
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 * Hudson (tjh@cryptsoft.com).
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 *
57
 */
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59
#include <stdio.h>
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61
#include <openssl/err.h>
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#include <openssl/pkcs12.h>
63
64
static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
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    PKCS12_SAFEBAG *bag);
66
67
static int
68
copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
69
{
70
	int idx;
71
	X509_ATTRIBUTE *attr;
72
73
	idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
74
	if (idx < 0)
75
		return 1;
76
	attr = EVP_PKEY_get_attr(pkey, idx);
77
	if (!X509at_add1_attr(&bag->attrib, attr))
78
		return 0;
79
	return 1;
80
}
81
82
PKCS12 *
83
PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert,
84
    STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter,
85
    int keytype)
86
{
87
	PKCS12 *p12 = NULL;
88
	STACK_OF(PKCS7) *safes = NULL;
89
	STACK_OF(PKCS12_SAFEBAG) *bags = NULL;
90
	PKCS12_SAFEBAG *bag = NULL;
91
	int i;
92
	unsigned char keyid[EVP_MAX_MD_SIZE];
93
	unsigned int keyidlen = 0;
94
95
	/* Set defaults */
96
	if (!nid_cert) {
97
		nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC;
98
	}
99
	if (!nid_key)
100
		nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
101
	if (!iter)
102
		iter = PKCS12_DEFAULT_ITER;
103
	if (!mac_iter)
104
		mac_iter = 1;
105
106
	if (!pkey && !cert && !ca) {
107
		PKCS12err(PKCS12_F_PKCS12_CREATE,
108
		    PKCS12_R_INVALID_NULL_ARGUMENT);
109
		return NULL;
110
	}
111
112
	if (pkey && cert) {
113
		if (!X509_check_private_key(cert, pkey))
114
			return NULL;
115
		X509_digest(cert, EVP_sha1(), keyid, &keyidlen);
116
	}
117
118
	if (cert) {
119
		bag = PKCS12_add_cert(&bags, cert);
120
		if (name && !PKCS12_add_friendlyname(bag, name, -1))
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			goto err;
122
		if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
123
			goto err;
124
	}
125
126
	/* Add all other certificates */
127
	for (i = 0; i < sk_X509_num(ca); i++) {
128
		if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i)))
129
			goto err;
130
	}
131
132
	if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass))
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		goto err;
134
135
	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
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	bags = NULL;
137
138
	if (pkey) {
139
		bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass);
140
141
		if (!bag)
142
			goto err;
143
144
		if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
145
			goto err;
146
		if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
147
			goto err;
148
149
		if (name && !PKCS12_add_friendlyname(bag, name, -1))
150
			goto err;
151
		if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
152
			goto err;
153
	}
154
155
	if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL))
156
		goto err;
157
158
	sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
159
	bags = NULL;
160
161
	p12 = PKCS12_add_safes(safes, 0);
162
163
	if (!p12)
164
		goto err;
165
166
	sk_PKCS7_pop_free(safes, PKCS7_free);
167
168
	safes = NULL;
169
170
	if ((mac_iter != -1) &&
171
	    !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL))
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		goto err;
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174
	return p12;
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176
err:
177
	if (p12)
178
		PKCS12_free(p12);
179
	if (safes)
180
		sk_PKCS7_pop_free(safes, PKCS7_free);
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	if (bags)
182
		sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
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	return NULL;
184
}
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186
PKCS12_SAFEBAG *
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PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
188
{
189
	PKCS12_SAFEBAG *bag = NULL;
190
	char *name;
191
	int namelen = -1;
192
	unsigned char *keyid;
193
	int keyidlen = -1;
194
195
	/* Add user certificate */
196
	if (!(bag = PKCS12_x5092certbag(cert)))
197
		goto err;
198
199
	/* Use friendlyName and localKeyID in certificate.
200
	 * (if present)
201
	 */
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	name = (char *)X509_alias_get0(cert, &namelen);
203
	if (name && !PKCS12_add_friendlyname(bag, name, namelen))
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		goto err;
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206
	keyid = X509_keyid_get0(cert, &keyidlen);
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208
	if (keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
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		goto err;
210
211
	if (!pkcs12_add_bag(pbags, bag))
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		goto err;
213
214
	return bag;
215
216
err:
217
	if (bag)
218
		PKCS12_SAFEBAG_free(bag);
219
220
	return NULL;
221
}
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223
PKCS12_SAFEBAG *
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PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, int key_usage,
225
    int iter, int nid_key, char *pass)
226
{
227
	PKCS12_SAFEBAG *bag = NULL;
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	PKCS8_PRIV_KEY_INFO *p8 = NULL;
229
230
	/* Make a PKCS#8 structure */
231
	if (!(p8 = EVP_PKEY2PKCS8(key)))
232
		goto err;
233
	if (key_usage && !PKCS8_add_keyusage(p8, key_usage))
234
		goto err;
235
	if (nid_key != -1) {
236
		bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0,
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		    iter, p8);
238
		PKCS8_PRIV_KEY_INFO_free(p8);
239
		p8 = NULL;
240
	} else {
241
		bag = PKCS12_MAKE_KEYBAG(p8);
242
		if (bag != NULL)
243
			p8 = NULL;
244
	}
245
246
	if (!bag)
247
		goto err;
248
249
	if (!pkcs12_add_bag(pbags, bag))
250
		goto err;
251
252
	return bag;
253
254
err:
255
	if (bag)
256
		PKCS12_SAFEBAG_free(bag);
257
	if (p8)
258
		PKCS8_PRIV_KEY_INFO_free(p8);
259
260
	return NULL;
261
}
262
263
int
264
PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
265
    int nid_safe, int iter, char *pass)
266
{
267
	PKCS7 *p7 = NULL;
268
	int free_safes = 0;
269
270
	if (!*psafes) {
271
		*psafes = sk_PKCS7_new_null();
272
		if (!*psafes)
273
			return 0;
274
		free_safes = 1;
275
	} else
276
		free_safes = 0;
277
278
	if (nid_safe == 0)
279
		nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
280
281
	if (nid_safe == -1)
282
		p7 = PKCS12_pack_p7data(bags);
283
	else
284
		p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0,
285
		    iter, bags);
286
	if (!p7)
287
		goto err;
288
289
	if (!sk_PKCS7_push(*psafes, p7))
290
		goto err;
291
292
	return 1;
293
294
err:
295
	if (free_safes) {
296
		sk_PKCS7_free(*psafes);
297
		*psafes = NULL;
298
	}
299
300
	if (p7)
301
		PKCS7_free(p7);
302
303
	return 0;
304
}
305
306
static int
307
pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag)
308
{
309
	int free_bags;
310
311
	if (!pbags)
312
		return 1;
313
	if (!*pbags) {
314
		*pbags = sk_PKCS12_SAFEBAG_new_null();
315
		if (!*pbags)
316
			return 0;
317
		free_bags = 1;
318
	} else
319
		free_bags = 0;
320
321
	if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) {
322
		if (free_bags) {
323
			sk_PKCS12_SAFEBAG_free(*pbags);
324
			*pbags = NULL;
325
		}
326
		return 0;
327
	}
328
329
	return 1;
330
}
331
332
PKCS12 *
333
PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
334
{
335
	PKCS12 *p12;
336
337
	if (nid_p7 <= 0)
338
		nid_p7 = NID_pkcs7_data;
339
	p12 = PKCS12_init(nid_p7);
340
341
	if (!p12)
342
		return NULL;
343
344
	if (!PKCS12_pack_authsafes(p12, safes)) {
345
		PKCS12_free(p12);
346
		return NULL;
347
	}
348
349
	return p12;
350
}