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-rw-r--r--src/lib/libcrypto/bio/b_dump.c183
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diff --git a/src/lib/libcrypto/bio/b_dump.c b/src/lib/libcrypto/bio/b_dump.c
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index 0943e9006d..0000000000
--- a/src/lib/libcrypto/bio/b_dump.c
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1/* $OpenBSD: b_dump.c,v 1.20 2014/11/11 19:26:12 miod 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/*
60 * Stolen from tjh's ssl/ssl_trc.c stuff.
61 */
62
63#include <stdio.h>
64#include <string.h>
65
66#include <openssl/bio.h>
67
68#define TRUNCATE
69#define DUMP_WIDTH 16
70#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4))
71
72int
73BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
74 void *u, const char *s, int len)
75{
76 return BIO_dump_indent_cb(cb, u, s, len, 0);
77}
78
79int
80BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
81 void *u, const char *s, int len, int indent)
82{
83 int ret = 0;
84 char buf[288 + 1], tmp[20], str[128 + 1];
85 int i, j, rows, trc;
86 unsigned char ch;
87 int dump_width;
88
89 trc = 0;
90
91#ifdef TRUNCATE
92 for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--)
93 trc++;
94#endif
95
96 if (indent < 0)
97 indent = 0;
98 if (indent) {
99 if (indent > 128)
100 indent = 128;
101 memset(str, ' ', indent);
102 }
103 str[indent] = '\0';
104
105 dump_width = DUMP_WIDTH_LESS_INDENT(indent);
106 rows = (len / dump_width);
107 if ((rows * dump_width) < len)
108 rows++;
109 for (i = 0; i < rows; i++) {
110 buf[0] = '\0'; /* start with empty string */
111 strlcpy(buf, str, sizeof buf);
112 snprintf(tmp, sizeof tmp, "%04x - ", i*dump_width);
113 strlcat(buf, tmp, sizeof buf);
114 for (j = 0; j < dump_width; j++) {
115 if (((i*dump_width) + j) >= len) {
116 strlcat(buf, " ", sizeof buf);
117 } else {
118 ch = ((unsigned char)*(s + i*dump_width + j)) & 0xff;
119 snprintf(tmp, sizeof tmp, "%02x%c", ch,
120 j == 7 ? '-' : ' ');
121 strlcat(buf, tmp, sizeof buf);
122 }
123 }
124 strlcat(buf, " ", sizeof buf);
125 for (j = 0; j < dump_width; j++) {
126 if (((i*dump_width) + j) >= len)
127 break;
128 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
129 snprintf(tmp, sizeof tmp, "%c",
130 ((ch >= ' ') && (ch <= '~')) ? ch : '.');
131 strlcat(buf, tmp, sizeof buf);
132 }
133 strlcat(buf, "\n", sizeof buf);
134 /* if this is the last call then update the ddt_dump thing so
135 * that we will move the selection point in the debug window
136 */
137 ret += cb((void *)buf, strlen(buf), u);
138 }
139#ifdef TRUNCATE
140 if (trc > 0) {
141 snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n",
142 str, len + trc);
143 ret += cb((void *)buf, strlen(buf), u);
144 }
145#endif
146 return (ret);
147}
148
149static int
150write_fp(const void *data, size_t len, void *fp)
151{
152 return fwrite(data, 1, len, fp);
153}
154
155int
156BIO_dump_fp(FILE *fp, const char *s, int len)
157{
158 return BIO_dump_cb(write_fp, fp, s, len);
159}
160
161int
162BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
163{
164 return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
165}
166
167static int
168write_bio(const void *data, size_t len, void *bp)
169{
170 return BIO_write((BIO *)bp, (const char *)data, len);
171}
172
173int
174BIO_dump(BIO *bp, const char *s, int len)
175{
176 return BIO_dump_cb(write_bio, bp, s, len);
177}
178
179int
180BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
181{
182 return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
183}