Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/engine/tb_cipher.c |
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1 | /* $OpenBSD: tb_cipher.c,v 1.8 2017/01/29 17:49:23 beck Exp $ */ | - | ||||||||||||
2 | /* ==================================================================== | - | ||||||||||||
3 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | - | ||||||||||||
4 | * | - | ||||||||||||
5 | * Redistribution and use in source and binary forms, with or without | - | ||||||||||||
6 | * modification, are permitted provided that the following conditions | - | ||||||||||||
7 | * are met: | - | ||||||||||||
8 | * | - | ||||||||||||
9 | * 1. Redistributions of source code must retain the above copyright | - | ||||||||||||
10 | * notice, this list of conditions and the following disclaimer. | - | ||||||||||||
11 | * | - | ||||||||||||
12 | * 2. Redistributions in binary form must reproduce the above copyright | - | ||||||||||||
13 | * notice, this list of conditions and the following disclaimer in | - | ||||||||||||
14 | * the documentation and/or other materials provided with the | - | ||||||||||||
15 | * distribution. | - | ||||||||||||
16 | * | - | ||||||||||||
17 | * 3. All advertising materials mentioning features or use of this | - | ||||||||||||
18 | * software must display the following acknowledgment: | - | ||||||||||||
19 | * "This product includes software developed by the OpenSSL Project | - | ||||||||||||
20 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | - | ||||||||||||
21 | * | - | ||||||||||||
22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | - | ||||||||||||
23 | * endorse or promote products derived from this software without | - | ||||||||||||
24 | * prior written permission. For written permission, please contact | - | ||||||||||||
25 | * licensing@OpenSSL.org. | - | ||||||||||||
26 | * | - | ||||||||||||
27 | * 5. Products derived from this software may not be called "OpenSSL" | - | ||||||||||||
28 | * nor may "OpenSSL" appear in their names without prior written | - | ||||||||||||
29 | * permission of the OpenSSL Project. | - | ||||||||||||
30 | * | - | ||||||||||||
31 | * 6. Redistributions of any form whatsoever must retain the following | - | ||||||||||||
32 | * acknowledgment: | - | ||||||||||||
33 | * "This product includes software developed by the OpenSSL Project | - | ||||||||||||
34 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | - | ||||||||||||
35 | * | - | ||||||||||||
36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | - | ||||||||||||
37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | - | ||||||||||||
38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | - | ||||||||||||
39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | - | ||||||||||||
40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | - | ||||||||||||
41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | - | ||||||||||||
42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | - | ||||||||||||
43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | - | ||||||||||||
44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | - | ||||||||||||
45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - | ||||||||||||
46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | - | ||||||||||||
47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | - | ||||||||||||
48 | * ==================================================================== | - | ||||||||||||
49 | * | - | ||||||||||||
50 | * This product includes cryptographic software written by Eric Young | - | ||||||||||||
51 | * (eay@cryptsoft.com). This product includes software written by Tim | - | ||||||||||||
52 | * Hudson (tjh@cryptsoft.com). | - | ||||||||||||
53 | * | - | ||||||||||||
54 | */ | - | ||||||||||||
55 | - | |||||||||||||
56 | #include <openssl/err.h> | - | ||||||||||||
57 | - | |||||||||||||
58 | #include "eng_int.h" | - | ||||||||||||
59 | - | |||||||||||||
60 | /* If this symbol is defined then ENGINE_get_cipher_engine(), the function that | - | ||||||||||||
61 | * is used by EVP to hook in cipher code and cache defaults (etc), will display | - | ||||||||||||
62 | * brief debugging summaries to stderr with the 'nid'. */ | - | ||||||||||||
63 | /* #define ENGINE_CIPHER_DEBUG */ | - | ||||||||||||
64 | - | |||||||||||||
65 | static ENGINE_TABLE *cipher_table = NULL; | - | ||||||||||||
66 | - | |||||||||||||
67 | void | - | ||||||||||||
68 | ENGINE_unregister_ciphers(ENGINE *e) | - | ||||||||||||
69 | { | - | ||||||||||||
70 | engine_table_unregister(&cipher_table, e); | - | ||||||||||||
71 | } never executed: end of block | 0 | ||||||||||||
72 | - | |||||||||||||
73 | static void | - | ||||||||||||
74 | engine_unregister_all_ciphers(void) | - | ||||||||||||
75 | { | - | ||||||||||||
76 | engine_table_cleanup(&cipher_table); | - | ||||||||||||
77 | } never executed: end of block | 0 | ||||||||||||
78 | - | |||||||||||||
79 | int | - | ||||||||||||
80 | ENGINE_register_ciphers(ENGINE *e) | - | ||||||||||||
81 | { | - | ||||||||||||
82 | if (e->ciphers) {
| 0 | ||||||||||||
83 | const int *nids; | - | ||||||||||||
84 | int num_nids = e->ciphers(e, NULL, &nids, 0); | - | ||||||||||||
85 | if (num_nids > 0)
| 0 | ||||||||||||
86 | return engine_table_register(&cipher_table, never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 0); | 0 | ||||||||||||
87 | engine_unregister_all_ciphers, e, nids, never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 0); | 0 | ||||||||||||
88 | num_nids, 0); never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 0); | 0 | ||||||||||||
89 | } never executed: end of block | 0 | ||||||||||||
90 | return 1; never executed: return 1; | 0 | ||||||||||||
91 | } | - | ||||||||||||
92 | - | |||||||||||||
93 | void | - | ||||||||||||
94 | ENGINE_register_all_ciphers(void) | - | ||||||||||||
95 | { | - | ||||||||||||
96 | ENGINE *e; | - | ||||||||||||
97 | - | |||||||||||||
98 | for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
| 0-1 | ||||||||||||
99 | ENGINE_register_ciphers(e); never executed: ENGINE_register_ciphers(e); | 0 | ||||||||||||
100 | } executed 1 time by 1 test: end of block Executed by:
| 1 | ||||||||||||
101 | - | |||||||||||||
102 | int | - | ||||||||||||
103 | ENGINE_set_default_ciphers(ENGINE *e) | - | ||||||||||||
104 | { | - | ||||||||||||
105 | if (e->ciphers) {
| 0 | ||||||||||||
106 | const int *nids; | - | ||||||||||||
107 | int num_nids = e->ciphers(e, NULL, &nids, 0); | - | ||||||||||||
108 | if (num_nids > 0)
| 0 | ||||||||||||
109 | return engine_table_register(&cipher_table, never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 1); | 0 | ||||||||||||
110 | engine_unregister_all_ciphers, e, nids, never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 1); | 0 | ||||||||||||
111 | num_nids, 1); never executed: return engine_table_register(&cipher_table, engine_unregister_all_ciphers, e, nids, num_nids, 1); | 0 | ||||||||||||
112 | } never executed: end of block | 0 | ||||||||||||
113 | return 1; never executed: return 1; | 0 | ||||||||||||
114 | } | - | ||||||||||||
115 | - | |||||||||||||
116 | /* Exposed API function to get a functional reference from the implementation | - | ||||||||||||
117 | * table (ie. try to get a functional reference from the tabled structural | - | ||||||||||||
118 | * references) for a given cipher 'nid' */ | - | ||||||||||||
119 | ENGINE * | - | ||||||||||||
120 | ENGINE_get_cipher_engine(int nid) | - | ||||||||||||
121 | { | - | ||||||||||||
122 | return engine_table_select(&cipher_table, nid); executed 680 times by 5 tests: return engine_table_select(&cipher_table, nid); Executed by:
| 680 | ||||||||||||
123 | } | - | ||||||||||||
124 | - | |||||||||||||
125 | /* Obtains a cipher implementation from an ENGINE functional reference */ | - | ||||||||||||
126 | const EVP_CIPHER * | - | ||||||||||||
127 | ENGINE_get_cipher(ENGINE *e, int nid) | - | ||||||||||||
128 | { | - | ||||||||||||
129 | const EVP_CIPHER *ret; | - | ||||||||||||
130 | ENGINE_CIPHERS_PTR fn = ENGINE_get_ciphers(e); | - | ||||||||||||
131 | - | |||||||||||||
132 | if (!fn || !fn(e, &ret, NULL, nid)) {
| 0 | ||||||||||||
133 | ENGINEerror(ENGINE_R_UNIMPLEMENTED_CIPHER); | - | ||||||||||||
134 | return NULL; never executed: return ((void *)0) ; | 0 | ||||||||||||
135 | } | - | ||||||||||||
136 | return ret; never executed: return ret; | 0 | ||||||||||||
137 | } | - | ||||||||||||
138 | - | |||||||||||||
139 | /* Gets the cipher callback from an ENGINE structure */ | - | ||||||||||||
140 | ENGINE_CIPHERS_PTR | - | ||||||||||||
141 | ENGINE_get_ciphers(const ENGINE *e) | - | ||||||||||||
142 | { | - | ||||||||||||
143 | return e->ciphers; never executed: return e->ciphers; | 0 | ||||||||||||
144 | } | - | ||||||||||||
145 | - | |||||||||||||
146 | /* Sets the cipher callback in an ENGINE structure */ | - | ||||||||||||
147 | int | - | ||||||||||||
148 | ENGINE_set_ciphers(ENGINE *e, ENGINE_CIPHERS_PTR f) | - | ||||||||||||
149 | { | - | ||||||||||||
150 | e->ciphers = f; | - | ||||||||||||
151 | return 1; never executed: return 1; | 0 | ||||||||||||
152 | } | - | ||||||||||||
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