Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/engine/tb_dh.c |
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1 | /* $OpenBSD: tb_dh.c,v 1.6 2014/06/12 15:49:29 deraadt 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 "eng_int.h" | - | ||||||
57 | - | |||||||
58 | /* If this symbol is defined then ENGINE_get_default_DH(), the function that is | - | ||||||
59 | * used by DH to hook in implementation code and cache defaults (etc), will | - | ||||||
60 | * display brief debugging summaries to stderr with the 'nid'. */ | - | ||||||
61 | /* #define ENGINE_DH_DEBUG */ | - | ||||||
62 | - | |||||||
63 | static ENGINE_TABLE *dh_table = NULL; | - | ||||||
64 | static const int dummy_nid = 1; | - | ||||||
65 | - | |||||||
66 | void | - | ||||||
67 | ENGINE_unregister_DH(ENGINE *e) | - | ||||||
68 | { | - | ||||||
69 | engine_table_unregister(&dh_table, e); | - | ||||||
70 | } never executed: end of block | 0 | ||||||
71 | - | |||||||
72 | static void | - | ||||||
73 | engine_unregister_all_DH(void) | - | ||||||
74 | { | - | ||||||
75 | engine_table_cleanup(&dh_table); | - | ||||||
76 | } never executed: end of block | 0 | ||||||
77 | - | |||||||
78 | int | - | ||||||
79 | ENGINE_register_DH(ENGINE *e) | - | ||||||
80 | { | - | ||||||
81 | if (e->dh_meth)
| 0 | ||||||
82 | return engine_table_register(&dh_table, never executed: return engine_table_register(&dh_table, engine_unregister_all_DH, e, &dummy_nid, 1, 0); | 0 | ||||||
83 | engine_unregister_all_DH, e, &dummy_nid, 1, 0); never executed: return engine_table_register(&dh_table, engine_unregister_all_DH, e, &dummy_nid, 1, 0); | 0 | ||||||
84 | return 1; never executed: return 1; | 0 | ||||||
85 | } | - | ||||||
86 | - | |||||||
87 | void | - | ||||||
88 | ENGINE_register_all_DH(void) | - | ||||||
89 | { | - | ||||||
90 | ENGINE *e; | - | ||||||
91 | - | |||||||
92 | for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
| 0 | ||||||
93 | ENGINE_register_DH(e); never executed: ENGINE_register_DH(e); | 0 | ||||||
94 | } never executed: end of block | 0 | ||||||
95 | - | |||||||
96 | int | - | ||||||
97 | ENGINE_set_default_DH(ENGINE *e) | - | ||||||
98 | { | - | ||||||
99 | if (e->dh_meth)
| 0 | ||||||
100 | return engine_table_register(&dh_table, never executed: return engine_table_register(&dh_table, engine_unregister_all_DH, e, &dummy_nid, 1, 1); | 0 | ||||||
101 | engine_unregister_all_DH, e, &dummy_nid, 1, 1); never executed: return engine_table_register(&dh_table, engine_unregister_all_DH, e, &dummy_nid, 1, 1); | 0 | ||||||
102 | return 1; never executed: return 1; | 0 | ||||||
103 | } | - | ||||||
104 | - | |||||||
105 | /* Exposed API function to get a functional reference from the implementation | - | ||||||
106 | * table (ie. try to get a functional reference from the tabled structural | - | ||||||
107 | * references). */ | - | ||||||
108 | ENGINE * | - | ||||||
109 | ENGINE_get_default_DH(void) | - | ||||||
110 | { | - | ||||||
111 | return engine_table_select(&dh_table, dummy_nid); executed 230 times by 4 tests: return engine_table_select(&dh_table, dummy_nid); Executed by:
| 230 | ||||||
112 | } | - | ||||||
113 | - | |||||||
114 | /* Obtains an DH implementation from an ENGINE functional reference */ | - | ||||||
115 | const DH_METHOD * | - | ||||||
116 | ENGINE_get_DH(const ENGINE *e) | - | ||||||
117 | { | - | ||||||
118 | return e->dh_meth; never executed: return e->dh_meth; | 0 | ||||||
119 | } | - | ||||||
120 | - | |||||||
121 | /* Sets an DH implementation in an ENGINE structure */ | - | ||||||
122 | int | - | ||||||
123 | ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth) | - | ||||||
124 | { | - | ||||||
125 | e->dh_meth = dh_meth; | - | ||||||
126 | return 1; never executed: return 1; | 0 | ||||||
127 | } | - | ||||||
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