1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 * Stolen from tjh's ssl/ssl_trc.c stuff.
67 #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4))
69 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
70 void *u, const char *s, int len)
72 return BIO_dump_indent_cb(cb, u, s, len, 0);
75 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
76 void *u, const char *s, int len, int indent)
79 char buf[288 + 1], tmp[20], str[128 + 1];
87 for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--)
96 memset(str, ' ', indent);
100 dump_width = DUMP_WIDTH_LESS_INDENT(indent);
101 rows = (len / dump_width);
102 if ((rows * dump_width) < len)
104 for (i = 0; i < rows; i++) {
105 OPENSSL_strlcpy(buf, str, sizeof buf);
106 BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width);
107 OPENSSL_strlcat(buf, tmp, sizeof buf);
108 for (j = 0; j < dump_width; j++) {
109 if (((i * dump_width) + j) >= len) {
110 OPENSSL_strlcat(buf, " ", sizeof buf);
112 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
113 BIO_snprintf(tmp, sizeof tmp, "%02x%c", ch,
115 OPENSSL_strlcat(buf, tmp, sizeof buf);
118 OPENSSL_strlcat(buf, " ", sizeof buf);
119 for (j = 0; j < dump_width; j++) {
120 if (((i * dump_width) + j) >= len)
122 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
123 #ifndef CHARSET_EBCDIC
124 BIO_snprintf(tmp, sizeof tmp, "%c",
125 ((ch >= ' ') && (ch <= '~')) ? ch : '.');
127 BIO_snprintf(tmp, sizeof tmp, "%c",
128 ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
132 OPENSSL_strlcat(buf, tmp, sizeof buf);
134 OPENSSL_strlcat(buf, "\n", sizeof buf);
136 * if this is the last call then update the ddt_dump thing so that we
137 * will move the selection point in the debug window
139 ret += cb((void *)buf, strlen(buf), u);
143 BIO_snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n", str,
145 ret += cb((void *)buf, strlen(buf), u);
151 #ifndef OPENSSL_NO_STDIO
152 static int write_fp(const void *data, size_t len, void *fp)
154 return UP_fwrite(data, len, 1, fp);
157 int BIO_dump_fp(FILE *fp, const char *s, int len)
159 return BIO_dump_cb(write_fp, fp, s, len);
162 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
164 return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
168 static int write_bio(const void *data, size_t len, void *bp)
170 return BIO_write((BIO *)bp, (const char *)data, len);
173 int BIO_dump(BIO *bp, const char *s, int len)
175 return BIO_dump_cb(write_bio, bp, s, len);
178 int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
180 return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
183 int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
191 for (i = 0; i < datalen - 1; i++) {
193 BIO_printf(out, "%*s", indent, "");
195 BIO_printf(out, "%02X:", data[i]);
199 BIO_printf(out, "\n");
203 BIO_printf(out, "%*s", indent, "");
204 BIO_printf(out, "%02X", data[datalen - 1]);