Branch data Line data Source code
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 : 0 : int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
72 : : void *u, const char *s, int len)
73 : : {
74 : 0 : return BIO_dump_indent_cb(cb, u, s, len, 0);
75 : : }
76 : :
77 : 8 : 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 : 8 : 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 : 8 : trc=0;
87 : :
88 : : #ifdef TRUNCATE
89 [ + - ][ - + ]: 8 : for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
90 : 0 : trc++;
91 : : #endif
92 : :
93 [ - + ]: 8 : if (indent < 0)
94 : 0 : indent = 0;
95 [ + - ]: 8 : if (indent)
96 : : {
97 [ - + ]: 8 : if (indent > 128) indent=128;
98 : 8 : memset(str,' ',indent);
99 : : }
100 : 8 : str[indent]='\0';
101 : :
102 : 8 : dump_width=DUMP_WIDTH_LESS_INDENT(indent);
103 : 8 : rows=(len/dump_width);
104 [ + - ]: 8 : if ((rows*dump_width)<len)
105 : 8 : rows++;
106 [ + + ]: 24 : for(i=0;i<rows;i++)
107 : : {
108 : 16 : buf[0]='\0'; /* start with empty string */
109 : 16 : BUF_strlcpy(buf,str,sizeof buf);
110 : 16 : BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width);
111 : 16 : BUF_strlcat(buf,tmp,sizeof buf);
112 [ + + ]: 272 : for(j=0;j<dump_width;j++)
113 : : {
114 [ + + ]: 256 : if (((i*dump_width)+j)>=len)
115 : : {
116 : 96 : BUF_strlcat(buf," ",sizeof buf);
117 : : }
118 : : else
119 : : {
120 : 160 : ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
121 [ + + ]: 160 : BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch,
122 : : j==7?'-':' ');
123 : 160 : BUF_strlcat(buf,tmp,sizeof buf);
124 : : }
125 : : }
126 : 16 : BUF_strlcat(buf," ",sizeof buf);
127 [ + + ]: 176 : for(j=0;j<dump_width;j++)
128 : : {
129 [ + + ]: 168 : if (((i*dump_width)+j)>=len)
130 : : break;
131 : 160 : ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
132 : : #ifndef CHARSET_EBCDIC
133 [ + + ]: 160 : BIO_snprintf(tmp,sizeof tmp,"%c",
134 : 160 : ((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 : 160 : BUF_strlcat(buf,tmp,sizeof buf);
142 : : }
143 : 16 : 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 : 16 : ret+=cb((void *)buf,strlen(buf),u);
148 : : }
149 : : #ifdef TRUNCATE
150 [ - + ]: 8 : if (trc > 0)
151 : : {
152 : 0 : BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str,
153 : : len+trc);
154 : 0 : ret+=cb((void *)buf,strlen(buf),u);
155 : : }
156 : : #endif
157 : 8 : return(ret);
158 : : }
159 : :
160 : : #ifndef OPENSSL_NO_FP_API
161 : 0 : static int write_fp(const void *data, size_t len, void *fp)
162 : : {
163 : 0 : return UP_fwrite(data, len, 1, fp);
164 : : }
165 : 0 : int BIO_dump_fp(FILE *fp, const char *s, int len)
166 : : {
167 : 0 : return BIO_dump_cb(write_fp, fp, s, len);
168 : : }
169 : 0 : int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
170 : : {
171 : 0 : return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
172 : : }
173 : : #endif
174 : :
175 : 16 : static int write_bio(const void *data, size_t len, void *bp)
176 : : {
177 : 16 : return BIO_write((BIO *)bp, (const char *)data, len);
178 : : }
179 : 0 : int BIO_dump(BIO *bp, const char *s, int len)
180 : : {
181 : 0 : return BIO_dump_cb(write_bio, bp, s, len);
182 : : }
183 : 8 : int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
184 : : {
185 : 8 : return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
186 : : }
187 : :
188 : 0 : int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
189 : : int datalen)
190 : : {
191 : 0 : int i, j = 0;
192 : :
193 [ # # ]: 0 : if (datalen < 1)
194 : : return 1;
195 : :
196 [ # # ]: 0 : for (i = 0; i < datalen - 1; i++)
197 : : {
198 [ # # ]: 0 : if (i && !j) BIO_printf(out, "%*s", indent, "");
199 : :
200 : 0 : BIO_printf(out, "%02X:", data[i]);
201 : :
202 : 0 : j = (j + 1) % width;
203 [ # # ]: 0 : if (!j) BIO_printf(out, "\n");
204 : : }
205 : :
206 [ # # ]: 0 : if (i && !j) BIO_printf(out, "%*s", indent, "");
207 : 0 : BIO_printf(out, "%02X", data[datalen - 1]);
208 : 0 : return 1;
209 : : }
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