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1 /* crypto/bio/b_dump.c */ | |
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 "cryptlib.h" | |
65 #include "bio_lcl.h" | |
66 | |
67 #define TRUNCATE | |
68 #define DUMP_WIDTH 16 | |
69 #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) | |
70 | |
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 } | |
76 | |
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; | |
85 | |
86 trc=0; | |
87 | |
88 #ifdef TRUNCATE | |
89 for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) | |
90 trc++; | |
91 #endif | |
92 | |
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'; | |
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++) | |
107 { | |
108 buf[0]='\0'; /* start with empty string */ | |
109 BUF_strlcpy(buf,str,sizeof buf); | |
110 BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width); | |
111 BUF_strlcat(buf,tmp,sizeof buf); | |
112 for(j=0;j<dump_width;j++) | |
113 { | |
114 if (((i*dump_width)+j)>=len) | |
115 { | |
116 BUF_strlcat(buf," ",sizeof buf); | |
117 } | |
118 else | |
119 { | |
120 ch=((unsigned char)*(s+i*dump_width+j)) & 0xff; | |
121 BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch, | |
122 j==7?'-':' '); | |
123 BUF_strlcat(buf,tmp,sizeof buf); | |
124 } | |
125 } | |
126 BUF_strlcat(buf," ",sizeof buf); | |
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; | |
132 #ifndef CHARSET_EBCDIC | |
133 BIO_snprintf(tmp,sizeof tmp,"%c", | |
134 ((ch>=' ')&&(ch<='~'))?ch:'.'); | |
135 #else | |
136 BIO_snprintf(tmp,sizeof tmp,"%c", | |
137 ((ch>=os_toascii[' '])&&(ch<=os_toascii['~'])) | |
138 ? os_toebcdic[ch] | |
139 : '.'); | |
140 #endif | |
141 BUF_strlcat(buf,tmp,sizeof buf); | |
142 } | |
143 BUF_strlcat(buf,"\n",sizeof buf); | |
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 | |
146 */ | |
147 ret+=cb((void *)buf,strlen(buf),u); | |
148 } | |
149 #ifdef TRUNCATE | |
150 if (trc > 0) | |
151 { | |
152 BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str, | |
153 len+trc); | |
154 ret+=cb((void *)buf,strlen(buf),u); | |
155 } | |
156 #endif | |
157 return(ret); | |
158 } | |
159 | |
160 #ifndef OPENSSL_NO_FP_API | |
161 static int write_fp(const void *data, size_t len, void *fp) | |
162 { | |
163 return UP_fwrite(data, len, 1, fp); | |
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 | |
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