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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. | |
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 "cryptlib.h" | |
ea1b02db | 65 | #include "bio_lcl.h" |
d02b48c6 RE |
66 | |
67 | #define TRUNCATE | |
68 | #define DUMP_WIDTH 16 | |
ca1e465f | 69 | #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) |
d02b48c6 | 70 | |
bb1a915c RL |
71 | int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), |
72 | void *u, const char *s, int len) | |
ca1e465f | 73 | { |
bb1a915c | 74 | return BIO_dump_indent_cb(cb, u, s, len, 0); |
ca1e465f RL |
75 | } |
76 | ||
bb1a915c RL |
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) | |
397bd093 BM |
79 | { |
80 | int ret=0; | |
81 | char buf[288+1],tmp[20],str[128+1]; | |
d8ec0dcf | 82 | int i,j,rows,trc; |
397bd093 BM |
83 | unsigned char ch; |
84 | int dump_width; | |
bb1a915c | 85 | |
d8ec0dcf | 86 | trc=0; |
bb1a915c | 87 | |
d02b48c6 | 88 | #ifdef TRUNCATE |
bb1a915c | 89 | for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) |
d8ec0dcf | 90 | trc++; |
d02b48c6 RE |
91 | #endif |
92 | ||
397bd093 BM |
93 | if (indent < 0) |
94 | indent = 0; | |
95 | if (indent) | |
96 | { | |
97 | if (indent > 128) indent=128; | |
98 | memset(str,' ',indent); | |
99 | } | |
100 | str[indent]='\0'; | |
bb1a915c | 101 | |
397bd093 BM |
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++) | |
107 | { | |
108 | buf[0]='\0'; /* start with empty string */ | |
d420ac2c RL |
109 | BUF_strlcpy(buf,str,sizeof buf); |
110 | BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); | |
111 | BUF_strlcat(buf,tmp,sizeof buf); | |
397bd093 BM |
112 | for(j=0;j<dump_width;j++) |
113 | { | |
114 | if (((i*dump_width)+j)>=len) | |
115 | { | |
d420ac2c | 116 | BUF_strlcat(buf," ",sizeof buf); |
397bd093 BM |
117 | } |
118 | else | |
119 | { | |
120 | ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; | |
d420ac2c | 121 | BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, |
bb1a915c | 122 | j==7?'-':' '); |
d420ac2c | 123 | BUF_strlcat(buf,tmp,sizeof buf); |
397bd093 BM |
124 | } |
125 | } | |
d420ac2c | 126 | BUF_strlcat(buf," ",sizeof buf); |
397bd093 BM |
127 | for(j=0;j<dump_width;j++) |
128 | { | |
129 | if (((i*dump_width)+j)>=len) | |
130 | break; | |
131 | ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; | |
a53955d8 | 132 | #ifndef CHARSET_EBCDIC |
d420ac2c | 133 | BIO_snprintf(tmp,sizeof tmp,"%c", |
bb1a915c | 134 | ((ch>=' ')&&(ch<='~'))?ch:'.'); |
a53955d8 | 135 | #else |
d420ac2c | 136 | BIO_snprintf(tmp,sizeof tmp,"%c", |
bb1a915c RL |
137 | ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) |
138 | ? os_toebcdic[ch] | |
139 | : '.'); | |
a53955d8 | 140 | #endif |
d420ac2c | 141 | BUF_strlcat(buf,tmp,sizeof buf); |
397bd093 | 142 | } |
d420ac2c | 143 | BUF_strlcat(buf,"\n",sizeof buf); |
bb1a915c RL |
144 | /* if this is the last call then update the ddt_dump thing so |
145 | * that we will move the selection point in the debug window | |
397bd093 | 146 | */ |
bb1a915c | 147 | ret+=cb((void *)buf,strlen(buf),u); |
397bd093 | 148 | } |
d02b48c6 | 149 | #ifdef TRUNCATE |
d8ec0dcf | 150 | if (trc > 0) |
397bd093 | 151 | { |
d420ac2c | 152 | BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, |
bb1a915c RL |
153 | len+trc); |
154 | ret+=cb((void *)buf,strlen(buf),u); | |
397bd093 | 155 | } |
d02b48c6 | 156 | #endif |
397bd093 BM |
157 | return(ret); |
158 | } | |
bb1a915c RL |
159 | |
160 | #ifndef OPENSSL_NO_FP_API | |
161 | static int write_fp(const void *data, size_t len, void *fp) | |
162 | { | |
ea1b02db | 163 | return UP_fwrite(data, len, 1, fp); |
bb1a915c RL |
164 | } |
165 | int BIO_dump_fp(FILE *fp, const char *s, int len) | |
166 | { | |
167 | return BIO_dump_cb(write_fp, fp, s, len); | |
168 | } | |
169 | int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) | |
170 | { | |
171 | return BIO_dump_indent_cb(write_fp, fp, s, len, indent); | |
172 | } | |
173 | #endif | |
174 | ||
175 | static int write_bio(const void *data, size_t len, void *bp) | |
176 | { | |
177 | return BIO_write((BIO *)bp, (const char *)data, len); | |
178 | } | |
179 | int BIO_dump(BIO *bp, const char *s, int len) | |
180 | { | |
181 | return BIO_dump_cb(write_bio, bp, s, len); | |
182 | } | |
183 | int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) | |
184 | { | |
185 | return BIO_dump_indent_cb(write_bio, bp, s, len, indent); | |
186 | } | |
187 |