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d02b48c6 | 1 | /* crypto/bio/b_dump.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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. | |
0f113f3e | 8 | * |
d02b48c6 RE |
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). | |
0f113f3e | 15 | * |
d02b48c6 RE |
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. | |
0f113f3e | 22 | * |
d02b48c6 RE |
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 :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
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. | |
0f113f3e | 52 | * |
d02b48c6 RE |
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 | ||
0f113f3e | 59 | /* |
d02b48c6 RE |
60 | * Stolen from tjh's ssl/ssl_trc.c stuff. |
61 | */ | |
62 | ||
63 | #include <stdio.h> | |
b39fc560 | 64 | #include "internal/cryptlib.h" |
ea1b02db | 65 | #include "bio_lcl.h" |
d02b48c6 RE |
66 | |
67 | #define TRUNCATE | |
0f113f3e | 68 | #define DUMP_WIDTH 16 |
ca1e465f | 69 | #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) |
d02b48c6 | 70 | |
0f113f3e MC |
71 | int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), |
72 | void *u, const char *s, int len) | |
73 | { | |
74 | return BIO_dump_indent_cb(cb, u, s, len, 0); | |
75 | } | |
ca1e465f | 76 | |
0f113f3e MC |
77 | int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), |
78 | void *u, const char *s, int len, int indent) | |
79 | { | |
80 | int ret = 0; | |
81 | char buf[288 + 1], tmp[20], str[128 + 1]; | |
82 | int i, j, rows, trc; | |
83 | unsigned char ch; | |
84 | int dump_width; | |
bb1a915c | 85 | |
0f113f3e | 86 | trc = 0; |
bb1a915c | 87 | |
d02b48c6 | 88 | #ifdef TRUNCATE |
0f113f3e MC |
89 | for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--) |
90 | trc++; | |
d02b48c6 RE |
91 | #endif |
92 | ||
0f113f3e MC |
93 | if (indent < 0) |
94 | indent = 0; | |
95 | if (indent) { | |
96 | if (indent > 128) | |
97 | indent = 128; | |
98 | memset(str, ' ', indent); | |
99 | } | |
100 | str[indent] = '\0'; | |
101 | ||
102 | dump_width = DUMP_WIDTH_LESS_INDENT(indent); | |
103 | rows = (len / dump_width); | |
104 | if ((rows * dump_width) < len) | |
105 | rows++; | |
106 | for (i = 0; i < rows; i++) { | |
7644a9ae | 107 | OPENSSL_strlcpy(buf, str, sizeof buf); |
0f113f3e | 108 | BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width); |
7644a9ae | 109 | OPENSSL_strlcat(buf, tmp, sizeof buf); |
0f113f3e MC |
110 | for (j = 0; j < dump_width; j++) { |
111 | if (((i * dump_width) + j) >= len) { | |
7644a9ae | 112 | OPENSSL_strlcat(buf, " ", sizeof buf); |
0f113f3e MC |
113 | } else { |
114 | ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; | |
115 | BIO_snprintf(tmp, sizeof tmp, "%02x%c", ch, | |
116 | j == 7 ? '-' : ' '); | |
7644a9ae | 117 | OPENSSL_strlcat(buf, tmp, sizeof buf); |
0f113f3e MC |
118 | } |
119 | } | |
7644a9ae | 120 | OPENSSL_strlcat(buf, " ", sizeof buf); |
0f113f3e MC |
121 | for (j = 0; j < dump_width; j++) { |
122 | if (((i * dump_width) + j) >= len) | |
123 | break; | |
124 | ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; | |
a53955d8 | 125 | #ifndef CHARSET_EBCDIC |
0f113f3e MC |
126 | BIO_snprintf(tmp, sizeof tmp, "%c", |
127 | ((ch >= ' ') && (ch <= '~')) ? ch : '.'); | |
a53955d8 | 128 | #else |
0f113f3e MC |
129 | BIO_snprintf(tmp, sizeof tmp, "%c", |
130 | ((ch >= os_toascii[' ']) && (ch <= os_toascii['~'])) | |
131 | ? os_toebcdic[ch] | |
132 | : '.'); | |
a53955d8 | 133 | #endif |
7644a9ae | 134 | OPENSSL_strlcat(buf, tmp, sizeof buf); |
0f113f3e | 135 | } |
7644a9ae | 136 | OPENSSL_strlcat(buf, "\n", sizeof buf); |
0f113f3e MC |
137 | /* |
138 | * if this is the last call then update the ddt_dump thing so that we | |
139 | * will move the selection point in the debug window | |
140 | */ | |
141 | ret += cb((void *)buf, strlen(buf), u); | |
142 | } | |
d02b48c6 | 143 | #ifdef TRUNCATE |
0f113f3e MC |
144 | if (trc > 0) { |
145 | BIO_snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n", str, | |
146 | len + trc); | |
147 | ret += cb((void *)buf, strlen(buf), u); | |
148 | } | |
d02b48c6 | 149 | #endif |
0f113f3e MC |
150 | return (ret); |
151 | } | |
bb1a915c | 152 | |
4b618848 | 153 | #ifndef OPENSSL_NO_STDIO |
bb1a915c | 154 | static int write_fp(const void *data, size_t len, void *fp) |
0f113f3e MC |
155 | { |
156 | return UP_fwrite(data, len, 1, fp); | |
157 | } | |
158 | ||
bb1a915c | 159 | int BIO_dump_fp(FILE *fp, const char *s, int len) |
0f113f3e MC |
160 | { |
161 | return BIO_dump_cb(write_fp, fp, s, len); | |
162 | } | |
163 | ||
bb1a915c | 164 | int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) |
0f113f3e MC |
165 | { |
166 | return BIO_dump_indent_cb(write_fp, fp, s, len, indent); | |
167 | } | |
bb1a915c RL |
168 | #endif |
169 | ||
170 | static int write_bio(const void *data, size_t len, void *bp) | |
0f113f3e MC |
171 | { |
172 | return BIO_write((BIO *)bp, (const char *)data, len); | |
173 | } | |
174 | ||
bb1a915c | 175 | int BIO_dump(BIO *bp, const char *s, int len) |
0f113f3e MC |
176 | { |
177 | return BIO_dump_cb(write_bio, bp, s, len); | |
178 | } | |
179 | ||
bb1a915c | 180 | int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) |
0f113f3e MC |
181 | { |
182 | return BIO_dump_indent_cb(write_bio, bp, s, len, indent); | |
183 | } | |
bb1a915c | 184 | |
b263f212 | 185 | int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, |
0f113f3e MC |
186 | int datalen) |
187 | { | |
188 | int i, j = 0; | |
b263f212 | 189 | |
0f113f3e MC |
190 | if (datalen < 1) |
191 | return 1; | |
b263f212 | 192 | |
0f113f3e MC |
193 | for (i = 0; i < datalen - 1; i++) { |
194 | if (i && !j) | |
195 | BIO_printf(out, "%*s", indent, ""); | |
b263f212 | 196 | |
0f113f3e | 197 | BIO_printf(out, "%02X:", data[i]); |
b263f212 | 198 | |
0f113f3e MC |
199 | j = (j + 1) % width; |
200 | if (!j) | |
201 | BIO_printf(out, "\n"); | |
202 | } | |
b263f212 | 203 | |
0f113f3e MC |
204 | if (i && !j) |
205 | BIO_printf(out, "%*s", indent, ""); | |
206 | BIO_printf(out, "%02X", data[datalen - 1]); | |
207 | return 1; | |
208 | } |