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b_dump.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/bio/b_dump.c
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1/* $OpenBSD: b_dump.c,v 1.21 2015/04/23 06:11:19 deraadt 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);
never executed: return BIO_dump_indent_cb(cb, u, s, len, 0);
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--)
(len > 0)Description
TRUEnever evaluated
FALSEnever evaluated
(s[len - 1] == ' ')Description
TRUEnever evaluated
FALSEnever evaluated
(s[len - 1] == '\0')Description
TRUEnever evaluated
FALSEnever evaluated
0
93 trc++;
never executed: trc++;
0
94#endif-
95-
96 if (indent < 0)
indent < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
97 indent = 0;
never executed: indent = 0;
0
98 if (indent) {
indentDescription
TRUEnever evaluated
FALSEnever evaluated
0
99 if (indent > 128)
indent > 128Description
TRUEnever evaluated
FALSEnever evaluated
0
100 indent = 128;
never executed: indent = 128;
0
101 memset(str, ' ', indent);-
102 }
never executed: end of block
0
103 str[indent] = '\0';-
104-
105 dump_width = DUMP_WIDTH_LESS_INDENT(indent);
indent > 6Description
TRUEnever evaluated
FALSEnever evaluated
0
106 rows = (len / dump_width);-
107 if ((rows * dump_width) < len)
(rows * dump_width) < lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
108 rows++;
never executed: rows++;
0
109 for (i = 0; i < rows; i++) {
i < rowsDescription
TRUEnever evaluated
FALSEnever evaluated
0
110 strlcpy(buf, str, sizeof buf);-
111 snprintf(tmp, sizeof tmp, "%04x - ", i*dump_width);-
112 strlcat(buf, tmp, sizeof buf);-
113 for (j = 0; j < dump_width; j++) {
j < dump_widthDescription
TRUEnever evaluated
FALSEnever evaluated
0
114 if (((i*dump_width) + j) >= len) {
((i*dump_width) + j) >= lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
115 strlcat(buf, " ", sizeof buf);-
116 } else {
never executed: end of block
0
117 ch = ((unsigned char)*(s + i*dump_width + j)) & 0xff;-
118 snprintf(tmp, sizeof tmp, "%02x%c", ch,-
119 j == 7 ? '-' : ' ');-
120 strlcat(buf, tmp, sizeof buf);-
121 }
never executed: end of block
0
122 }-
123 strlcat(buf, " ", sizeof buf);-
124 for (j = 0; j < dump_width; j++) {
j < dump_widthDescription
TRUEnever evaluated
FALSEnever evaluated
0
125 if (((i*dump_width) + j) >= len)
((i*dump_width) + j) >= lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
126 break;
never executed: break;
0
127 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;-
128 snprintf(tmp, sizeof tmp, "%c",-
129 ((ch >= ' ') && (ch <= '~')) ? ch : '.');-
130 strlcat(buf, tmp, sizeof buf);-
131 }
never executed: end of block
0
132 strlcat(buf, "\n", sizeof buf);-
133 /* if this is the last call then update the ddt_dump thing so-
134 * that we will move the selection point in the debug window-
135 */-
136 ret += cb((void *)buf, strlen(buf), u);-
137 }
never executed: end of block
0
138#ifdef TRUNCATE-
139 if (trc > 0) {
trc > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
140 snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n",-
141 str, len + trc);-
142 ret += cb((void *)buf, strlen(buf), u);-
143 }
never executed: end of block
0
144#endif-
145 return (ret);
never executed: return (ret);
0
146}-
147-
148static int-
149write_fp(const void *data, size_t len, void *fp)-
150{-
151 return fwrite(data, 1, len, fp);
never executed: return fwrite(data, 1, len, fp);
0
152}-
153-
154int-
155BIO_dump_fp(FILE *fp, const char *s, int len)-
156{-
157 return BIO_dump_cb(write_fp, fp, s, len);
never executed: return BIO_dump_cb(write_fp, fp, s, len);
0
158}-
159-
160int-
161BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)-
162{-
163 return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
never executed: return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
0
164}-
165-
166static int-
167write_bio(const void *data, size_t len, void *bp)-
168{-
169 return BIO_write((BIO *)bp, (const char *)data, len);
never executed: return BIO_write((BIO *)bp, (const char *)data, len);
0
170}-
171-
172int-
173BIO_dump(BIO *bp, const char *s, int len)-
174{-
175 return BIO_dump_cb(write_bio, bp, s, len);
never executed: return BIO_dump_cb(write_bio, bp, s, len);
0
176}-
177-
178int-
179BIO_dump_indent(BIO *bp, const char *s, int len, int indent)-
180{-
181 return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
never executed: return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
0
182}-
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