Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/bio/b_dump.c	Lines:	38	49	77.6 %
Date:	2017-11-13	Branches:	23	30	76.7 %


/* $OpenBSD: b_dump.c,v 1.21 2015/04/23 06:11:19 deraadt Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

/*
 * Stolen from tjh's ssl/ssl_trc.c stuff.
 */

#include <stdio.h>
#include <string.h>

#include <openssl/bio.h>

#define TRUNCATE
#define DUMP_WIDTH	16
#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4))

int
BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
    void *u, const char *s, int len)
{
	return BIO_dump_indent_cb(cb, u, s, len, 0);
}

int
BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
    void *u, const char *s, int len, int indent)
{
	int ret = 0;
	char buf[288 + 1], tmp[20], str[128 + 1];
	int i, j, rows, trc;
	unsigned char ch;
	int dump_width;

	trc = 0;

#ifdef TRUNCATE
	for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--)
		trc++;
#endif

	if (indent < 0)
		indent = 0;
	if (indent) {
		if (indent > 128)
			indent = 128;
		memset(str, ' ', indent);
	}
	str[indent] = '\0';

	dump_width = DUMP_WIDTH_LESS_INDENT(indent);
	rows = (len / dump_width);
	if ((rows * dump_width) < len)
		rows++;
	for (i = 0; i < rows; i++) {
		strlcpy(buf, str, sizeof buf);
		snprintf(tmp, sizeof tmp, "%04x - ", i*dump_width);
		strlcat(buf, tmp, sizeof buf);
		for (j = 0; j < dump_width; j++) {
			if (((i*dump_width) + j) >= len) {
				strlcat(buf, "   ", sizeof buf);
			} else {
				ch = ((unsigned char)*(s + i*dump_width + j)) & 0xff;
				snprintf(tmp, sizeof tmp, "%02x%c", ch,
				    j == 7 ? '-' : ' ');
				strlcat(buf, tmp, sizeof buf);
			}
		}
		strlcat(buf, "  ", sizeof buf);
		for (j = 0; j < dump_width; j++) {
			if (((i*dump_width) + j) >= len)
				break;
			ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
			snprintf(tmp, sizeof tmp, "%c",
			    ((ch >= ' ') && (ch <= '~')) ? ch : '.');
			strlcat(buf, tmp, sizeof buf);
		}
		strlcat(buf, "\n", sizeof buf);
		/* if this is the last call then update the ddt_dump thing so
		 * that we will move the selection point in the debug window
		 */
		ret += cb((void *)buf, strlen(buf), u);
	}
#ifdef TRUNCATE
	if (trc > 0) {
		snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n",
		    str, len + trc);
		ret += cb((void *)buf, strlen(buf), u);
	}
#endif
	return (ret);
}

static int
write_fp(const void *data, size_t len, void *fp)
{
	return fwrite(data, 1, len, fp);
}

int
BIO_dump_fp(FILE *fp, const char *s, int len)
{
	return BIO_dump_cb(write_fp, fp, s, len);
}

int
BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
{
	return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
}

static int
write_bio(const void *data, size_t len, void *bp)
{
	return BIO_write((BIO *)bp, (const char *)data, len);
}

int
BIO_dump(BIO *bp, const char *s, int len)
{
	return BIO_dump_cb(write_bio, bp, s, len);
}

int
BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
{
	return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
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
72			int
73			BIO_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
79			int
80			BIO_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		16	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	✓✗✓✗ ✗✓	32	for (; (len > 0) && ((s[len - 1] == ' ') \|\| (s[len - 1] == '\0')); len--)
93			trc++;
94			#endif
95
96	✗✓	8	if (indent < 0)
97			indent = 0;
98	✓✗	8	if (indent) {
99	✗✓	8	if (indent > 128)
100			indent = 128;
101		8	memset(str, ' ', indent);
102		8	}
103		8	str[indent] = '\0';
104
105		8	dump_width = DUMP_WIDTH_LESS_INDENT(indent);
106		8	rows = (len / dump_width);
107	✓✓	8	if ((rows * dump_width) < len)
108		2	rows++;
109	✓✓	144	for (i = 0; i < rows; i++) {
110		64	strlcpy(buf, str, sizeof buf);
111		64	snprintf(tmp, sizeof tmp, "%04x - ", i*dump_width);
112		64	strlcat(buf, tmp, sizeof buf);
113	✓✓	2176	for (j = 0; j < dump_width; j++) {
114	✓✓	1024	if (((i*dump_width) + j) >= len) {
115		24	strlcat(buf, " ", sizeof buf);
116		24	} else {
117		1000	ch = ((unsigned char)(s + idump_width + j)) & 0xff;
118		2000	snprintf(tmp, sizeof tmp, "%02x%c", ch,
119		1000	j == 7 ? '-' : ' ');
120		1000	strlcat(buf, tmp, sizeof buf);
121			}
122			}
123		64	strlcat(buf, " ", sizeof buf);
124	✓✓	2128	for (j = 0; j < dump_width; j++) {
125	✓✓	1002	if (((i*dump_width) + j) >= len)
126			break;
127		1000	ch = ((unsigned char)(s + i dump_width + j)) & 0xff;
128		1000	snprintf(tmp, sizeof tmp, "%c",
129	✓✓✓✓	3217	((ch >= ' ') && (ch <= '~')) ? ch : '.');
130		1000	strlcat(buf, tmp, sizeof buf);
131			}
132		64	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		64	ret += cb((void *)buf, strlen(buf), u);
137			}
138			#ifdef TRUNCATE
139	✗✓	8	if (trc > 0) {
140			snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n",
141			str, len + trc);
142			ret += cb((void *)buf, strlen(buf), u);
143			}
144			#endif
145		8	return (ret);
146		8	}
147
148			static int
149			write_fp(const void data, size_t len, void fp)
150			{
151			return fwrite(data, 1, len, fp);
152			}
153
154			int
155			BIO_dump_fp(FILE fp, const char s, int len)
156			{
157			return BIO_dump_cb(write_fp, fp, s, len);
158			}
159
160			int
161			BIO_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);
164			}
165
166			static int
167			write_bio(const void data, size_t len, void bp)
168			{
169		128	return BIO_write((BIO )bp, (const char )data, len);
170			}
171
172			int
173			BIO_dump(BIO bp, const char s, int len)
174			{
175			return BIO_dump_cb(write_bio, bp, s, len);
176			}
177
178			int
179			BIO_dump_indent(BIO bp, const char s, int len, int indent)
180			{
181		16	return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
182			}