diff options
Diffstat (limited to 'src/lib/libcrypto/engine/eng_init.c')
-rw-r--r-- | src/lib/libcrypto/engine/eng_init.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/lib/libcrypto/engine/eng_init.c b/src/lib/libcrypto/engine/eng_init.c deleted file mode 100644 index 793adba8be..0000000000 --- a/src/lib/libcrypto/engine/eng_init.c +++ /dev/null | |||
@@ -1,147 +0,0 @@ | |||
1 | /* $OpenBSD: eng_init.c,v 1.9 2018/04/14 07:09:21 tb Exp $ */ | ||
2 | /* ==================================================================== | ||
3 | * Copyright (c) 1999-2001 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 | /* Initialise a engine type for use (or up its functional reference count | ||
61 | * if it's already in use). This version is only used internally. */ | ||
62 | int | ||
63 | engine_unlocked_init(ENGINE *e) | ||
64 | { | ||
65 | int to_return = 1; | ||
66 | |||
67 | if ((e->funct_ref == 0) && e->init) | ||
68 | /* This is the first functional reference and the engine | ||
69 | * requires initialisation so we do it now. */ | ||
70 | to_return = e->init(e); | ||
71 | if (to_return) { | ||
72 | /* OK, we return a functional reference which is also a | ||
73 | * structural reference. */ | ||
74 | e->struct_ref++; | ||
75 | e->funct_ref++; | ||
76 | engine_ref_debug(e, 0, 1) | ||
77 | engine_ref_debug(e, 1, 1) | ||
78 | } | ||
79 | return to_return; | ||
80 | } | ||
81 | |||
82 | /* Free a functional reference to a engine type. This version is only used | ||
83 | * internally. */ | ||
84 | int | ||
85 | engine_unlocked_finish(ENGINE *e, int unlock_for_handlers) | ||
86 | { | ||
87 | int to_return = 1; | ||
88 | |||
89 | /* Reduce the functional reference count here so if it's the terminating | ||
90 | * case, we can release the lock safely and call the finish() handler | ||
91 | * without risk of a race. We get a race if we leave the count until | ||
92 | * after and something else is calling "finish" at the same time - | ||
93 | * there's a chance that both threads will together take the count from | ||
94 | * 2 to 0 without either calling finish(). */ | ||
95 | e->funct_ref--; | ||
96 | engine_ref_debug(e, 1, -1); | ||
97 | if ((e->funct_ref == 0) && e->finish) { | ||
98 | if (unlock_for_handlers) | ||
99 | CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); | ||
100 | to_return = e->finish(e); | ||
101 | if (unlock_for_handlers) | ||
102 | CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); | ||
103 | if (!to_return) | ||
104 | return 0; | ||
105 | } | ||
106 | |||
107 | /* Release the structural reference too */ | ||
108 | if (!engine_free_util(e, 0)) { | ||
109 | ENGINEerror(ENGINE_R_FINISH_FAILED); | ||
110 | return 0; | ||
111 | } | ||
112 | return to_return; | ||
113 | } | ||
114 | |||
115 | /* The API (locked) version of "init" */ | ||
116 | int | ||
117 | ENGINE_init(ENGINE *e) | ||
118 | { | ||
119 | int ret; | ||
120 | |||
121 | if (e == NULL) { | ||
122 | ENGINEerror(ERR_R_PASSED_NULL_PARAMETER); | ||
123 | return 0; | ||
124 | } | ||
125 | CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); | ||
126 | ret = engine_unlocked_init(e); | ||
127 | CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); | ||
128 | return ret; | ||
129 | } | ||
130 | |||
131 | /* The API (locked) version of "finish" */ | ||
132 | int | ||
133 | ENGINE_finish(ENGINE *e) | ||
134 | { | ||
135 | int to_return = 1; | ||
136 | |||
137 | if (e == NULL) | ||
138 | return 1; | ||
139 | CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); | ||
140 | to_return = engine_unlocked_finish(e, 1); | ||
141 | CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); | ||
142 | if (!to_return) { | ||
143 | ENGINEerror(ENGINE_R_FINISH_FAILED); | ||
144 | return 0; | ||
145 | } | ||
146 | return to_return; | ||
147 | } | ||