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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/buffer/buffer.c | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/buffer/buffer.c')
-rw-r--r-- | src/lib/libcrypto/buffer/buffer.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/lib/libcrypto/buffer/buffer.c b/src/lib/libcrypto/buffer/buffer.c deleted file mode 100644 index 51ce90ff80..0000000000 --- a/src/lib/libcrypto/buffer/buffer.c +++ /dev/null | |||
@@ -1,155 +0,0 @@ | |||
1 | /* $OpenBSD: buffer.c,v 1.28 2023/07/08 08:26:26 beck 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 <stdlib.h> | ||
61 | #include <string.h> | ||
62 | |||
63 | #include <openssl/buffer.h> | ||
64 | #include <openssl/err.h> | ||
65 | |||
66 | /* | ||
67 | * LIMIT_BEFORE_EXPANSION is the maximum n such that (n + 3) / 3 * 4 < 2**31. | ||
68 | * That function is applied in several functions in this file and this limit | ||
69 | * ensures that the result fits in an int. | ||
70 | */ | ||
71 | #define LIMIT_BEFORE_EXPANSION 0x5ffffffc | ||
72 | |||
73 | BUF_MEM * | ||
74 | BUF_MEM_new(void) | ||
75 | { | ||
76 | BUF_MEM *ret; | ||
77 | |||
78 | if ((ret = calloc(1, sizeof(BUF_MEM))) == NULL) { | ||
79 | BUFerror(ERR_R_MALLOC_FAILURE); | ||
80 | return (NULL); | ||
81 | } | ||
82 | |||
83 | return (ret); | ||
84 | } | ||
85 | LCRYPTO_ALIAS(BUF_MEM_new); | ||
86 | |||
87 | void | ||
88 | BUF_MEM_free(BUF_MEM *a) | ||
89 | { | ||
90 | if (a == NULL) | ||
91 | return; | ||
92 | |||
93 | freezero(a->data, a->max); | ||
94 | free(a); | ||
95 | } | ||
96 | LCRYPTO_ALIAS(BUF_MEM_free); | ||
97 | |||
98 | int | ||
99 | BUF_MEM_grow(BUF_MEM *str, size_t len) | ||
100 | { | ||
101 | return BUF_MEM_grow_clean(str, len); | ||
102 | } | ||
103 | LCRYPTO_ALIAS(BUF_MEM_grow); | ||
104 | |||
105 | int | ||
106 | BUF_MEM_grow_clean(BUF_MEM *str, size_t len) | ||
107 | { | ||
108 | char *ret; | ||
109 | size_t n; | ||
110 | |||
111 | if (str->max >= len) { | ||
112 | if (str->length >= len) | ||
113 | memset(&str->data[len], 0, str->length - len); | ||
114 | str->length = len; | ||
115 | return (len); | ||
116 | } | ||
117 | |||
118 | if (len > LIMIT_BEFORE_EXPANSION) { | ||
119 | BUFerror(ERR_R_MALLOC_FAILURE); | ||
120 | return 0; | ||
121 | } | ||
122 | |||
123 | n = (len + 3) / 3 * 4; | ||
124 | if ((ret = recallocarray(str->data, str->max, n, 1)) == NULL) { | ||
125 | BUFerror(ERR_R_MALLOC_FAILURE); | ||
126 | return (0); | ||
127 | } | ||
128 | str->data = ret; | ||
129 | str->max = n; | ||
130 | str->length = len; | ||
131 | |||
132 | return (len); | ||
133 | } | ||
134 | LCRYPTO_ALIAS(BUF_MEM_grow_clean); | ||
135 | |||
136 | void | ||
137 | BUF_reverse(unsigned char *out, const unsigned char *in, size_t size) | ||
138 | { | ||
139 | size_t i; | ||
140 | |||
141 | if (in) { | ||
142 | out += size - 1; | ||
143 | for (i = 0; i < size; i++) | ||
144 | *out-- = *in++; | ||
145 | } else { | ||
146 | unsigned char *q; | ||
147 | char c; | ||
148 | q = out + size - 1; | ||
149 | for (i = 0; i < size / 2; i++) { | ||
150 | c = *q; | ||
151 | *q-- = *out; | ||
152 | *out++ = c; | ||
153 | } | ||
154 | } | ||
155 | } | ||