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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. | |
ae5c8664 | 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). | |
ae5c8664 | 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. | |
ae5c8664 | 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 :-). | |
ae5c8664 | 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)" | |
ae5c8664 | 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. | |
ae5c8664 | 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 | ||
ae5c8664 | 59 | /* |
d02b48c6 RE |
60 | * Stolen from tjh's ssl/ssl_trc.c stuff. |
61 | */ | |
62 | ||
63 | #include <stdio.h> | |
64 | #include "cryptlib.h" | |
ea1b02db | 65 | #include "bio_lcl.h" |
d02b48c6 | 66 | |
ae5c8664 | 67 | #define DUMP_WIDTH 16 |
ca1e465f | 68 | #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) |
d02b48c6 | 69 | |
ae5c8664 MC |
70 | int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), |
71 | void *u, const char *s, int len) | |
72 | { | |
73 | return BIO_dump_indent_cb(cb, u, s, len, 0); | |
74 | } | |
ca1e465f | 75 | |
ae5c8664 MC |
76 | int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), |
77 | void *u, const char *s, int len, int indent) | |
78 | { | |
79 | int ret = 0; | |
80 | char buf[288 + 1], tmp[20], str[128 + 1]; | |
773da093 | 81 | int i, j, rows; |
ae5c8664 MC |
82 | unsigned char ch; |
83 | int dump_width; | |
bb1a915c | 84 | |
ae5c8664 MC |
85 | if (indent < 0) |
86 | indent = 0; | |
87 | if (indent) { | |
88 | if (indent > 128) | |
89 | indent = 128; | |
90 | memset(str, ' ', indent); | |
91 | } | |
92 | str[indent] = '\0'; | |
93 | ||
94 | dump_width = DUMP_WIDTH_LESS_INDENT(indent); | |
95 | rows = (len / dump_width); | |
96 | if ((rows * dump_width) < len) | |
97 | rows++; | |
98 | for (i = 0; i < rows; i++) { | |
c6738fd2 RS |
99 | BUF_strlcpy(buf, str, sizeof(buf)); |
100 | BIO_snprintf(tmp, sizeof(tmp), "%04x - ", i * dump_width); | |
101 | BUF_strlcat(buf, tmp, sizeof(buf)); | |
ae5c8664 MC |
102 | for (j = 0; j < dump_width; j++) { |
103 | if (((i * dump_width) + j) >= len) { | |
c6738fd2 | 104 | BUF_strlcat(buf, " ", sizeof(buf)); |
ae5c8664 MC |
105 | } else { |
106 | ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; | |
c6738fd2 | 107 | BIO_snprintf(tmp, sizeof(tmp), "%02x%c", ch, |
ae5c8664 | 108 | j == 7 ? '-' : ' '); |
c6738fd2 | 109 | BUF_strlcat(buf, tmp, sizeof(buf)); |
ae5c8664 MC |
110 | } |
111 | } | |
c6738fd2 | 112 | BUF_strlcat(buf, " ", sizeof(buf)); |
ae5c8664 MC |
113 | for (j = 0; j < dump_width; j++) { |
114 | if (((i * dump_width) + j) >= len) | |
115 | break; | |
116 | ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; | |
a53955d8 | 117 | #ifndef CHARSET_EBCDIC |
c6738fd2 | 118 | BIO_snprintf(tmp, sizeof(tmp), "%c", |
ae5c8664 | 119 | ((ch >= ' ') && (ch <= '~')) ? ch : '.'); |
a53955d8 | 120 | #else |
c6738fd2 | 121 | BIO_snprintf(tmp, sizeof(tmp), "%c", |
ae5c8664 MC |
122 | ((ch >= os_toascii[' ']) && (ch <= os_toascii['~'])) |
123 | ? os_toebcdic[ch] | |
124 | : '.'); | |
a53955d8 | 125 | #endif |
c6738fd2 | 126 | BUF_strlcat(buf, tmp, sizeof(buf)); |
ae5c8664 | 127 | } |
c6738fd2 | 128 | BUF_strlcat(buf, "\n", sizeof(buf)); |
ae5c8664 MC |
129 | /* |
130 | * if this is the last call then update the ddt_dump thing so that we | |
131 | * will move the selection point in the debug window | |
132 | */ | |
133 | ret += cb((void *)buf, strlen(buf), u); | |
134 | } | |
773da093 | 135 | return ret; |
ae5c8664 | 136 | } |
bb1a915c RL |
137 | |
138 | #ifndef OPENSSL_NO_FP_API | |
139 | static int write_fp(const void *data, size_t len, void *fp) | |
ae5c8664 MC |
140 | { |
141 | return UP_fwrite(data, len, 1, fp); | |
142 | } | |
143 | ||
bb1a915c | 144 | int BIO_dump_fp(FILE *fp, const char *s, int len) |
ae5c8664 MC |
145 | { |
146 | return BIO_dump_cb(write_fp, fp, s, len); | |
147 | } | |
148 | ||
bb1a915c | 149 | int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) |
ae5c8664 MC |
150 | { |
151 | return BIO_dump_indent_cb(write_fp, fp, s, len, indent); | |
152 | } | |
bb1a915c RL |
153 | #endif |
154 | ||
155 | static int write_bio(const void *data, size_t len, void *bp) | |
ae5c8664 MC |
156 | { |
157 | return BIO_write((BIO *)bp, (const char *)data, len); | |
158 | } | |
159 | ||
bb1a915c | 160 | int BIO_dump(BIO *bp, const char *s, int len) |
ae5c8664 MC |
161 | { |
162 | return BIO_dump_cb(write_bio, bp, s, len); | |
163 | } | |
164 | ||
bb1a915c | 165 | int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) |
ae5c8664 MC |
166 | { |
167 | return BIO_dump_indent_cb(write_bio, bp, s, len, indent); | |
168 | } | |
bb1a915c | 169 | |
c74ce24c | 170 | int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, |
ae5c8664 MC |
171 | int datalen) |
172 | { | |
173 | int i, j = 0; | |
c74ce24c | 174 | |
ae5c8664 MC |
175 | if (datalen < 1) |
176 | return 1; | |
c74ce24c | 177 | |
ae5c8664 MC |
178 | for (i = 0; i < datalen - 1; i++) { |
179 | if (i && !j) | |
180 | BIO_printf(out, "%*s", indent, ""); | |
c74ce24c | 181 | |
ae5c8664 | 182 | BIO_printf(out, "%02X:", data[i]); |
c74ce24c | 183 | |
ae5c8664 MC |
184 | j = (j + 1) % width; |
185 | if (!j) | |
186 | BIO_printf(out, "\n"); | |
187 | } | |
c74ce24c | 188 | |
ae5c8664 MC |
189 | if (i && !j) |
190 | BIO_printf(out, "%*s", indent, ""); | |
191 | BIO_printf(out, "%02X", data[datalen - 1]); | |
192 | return 1; | |
193 | } |