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183 lines
6.6 KiB
183 lines
6.6 KiB
/* crypto/bio/b_dump.c */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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/* |
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* Stolen from tjh's ssl/ssl_trc.c stuff. |
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*/ |
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#include <stdio.h> |
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#include "cryptlib.h" |
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#include "bio_lcl.h" |
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#define TRUNCATE |
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#define DUMP_WIDTH 16 |
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#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) |
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int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), |
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void *u, const char *s, int len) |
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{ |
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return BIO_dump_indent_cb(cb, u, s, len, 0); |
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} |
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int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), |
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void *u, const char *s, int len, int indent) |
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{ |
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int ret = 0; |
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char buf[288 + 1], tmp[20], str[128 + 1]; |
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int i, j, rows, trc; |
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unsigned char ch; |
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int dump_width; |
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trc = 0; |
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#ifdef TRUNCATE |
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for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--) |
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trc++; |
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#endif |
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if (indent < 0) |
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indent = 0; |
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if (indent) { |
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if (indent > 128) |
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indent = 128; |
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memset(str, ' ', indent); |
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} |
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str[indent] = '\0'; |
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dump_width = DUMP_WIDTH_LESS_INDENT(indent); |
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rows = (len / dump_width); |
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if ((rows * dump_width) < len) |
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rows++; |
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for (i = 0; i < rows; i++) { |
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BUF_strlcpy(buf, str, sizeof buf); |
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BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width); |
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BUF_strlcat(buf, tmp, sizeof buf); |
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for (j = 0; j < dump_width; j++) { |
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if (((i * dump_width) + j) >= len) { |
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BUF_strlcat(buf, " ", sizeof buf); |
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} else { |
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ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; |
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BIO_snprintf(tmp, sizeof tmp, "%02x%c", ch, |
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j == 7 ? '-' : ' '); |
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BUF_strlcat(buf, tmp, sizeof buf); |
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} |
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} |
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BUF_strlcat(buf, " ", sizeof buf); |
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for (j = 0; j < dump_width; j++) { |
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if (((i * dump_width) + j) >= len) |
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break; |
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ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; |
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#ifndef CHARSET_EBCDIC |
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BIO_snprintf(tmp, sizeof tmp, "%c", |
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((ch >= ' ') && (ch <= '~')) ? ch : '.'); |
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#else |
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BIO_snprintf(tmp, sizeof tmp, "%c", |
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((ch >= os_toascii[' ']) && (ch <= os_toascii['~'])) |
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? os_toebcdic[ch] |
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: '.'); |
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#endif |
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BUF_strlcat(buf, tmp, sizeof buf); |
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} |
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BUF_strlcat(buf, "\n", sizeof buf); |
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/* |
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* if this is the last call then update the ddt_dump thing so that we |
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* will move the selection point in the debug window |
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*/ |
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ret += cb((void *)buf, strlen(buf), u); |
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} |
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#ifdef TRUNCATE |
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if (trc > 0) { |
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BIO_snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n", str, |
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len + trc); |
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ret += cb((void *)buf, strlen(buf), u); |
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} |
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#endif |
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return (ret); |
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} |
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#ifndef OPENSSL_NO_FP_API |
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static int write_fp(const void *data, size_t len, void *fp) |
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{ |
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return UP_fwrite(data, len, 1, fp); |
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} |
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int BIO_dump_fp(FILE *fp, const char *s, int len) |
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{ |
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return BIO_dump_cb(write_fp, fp, s, len); |
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} |
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int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) |
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{ |
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return BIO_dump_indent_cb(write_fp, fp, s, len, indent); |
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} |
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#endif |
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static int write_bio(const void *data, size_t len, void *bp) |
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{ |
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return BIO_write((BIO *)bp, (const char *)data, len); |
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} |
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int BIO_dump(BIO *bp, const char *s, int len) |
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{ |
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return BIO_dump_cb(write_bio, bp, s, len); |
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} |
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int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) |
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{ |
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return BIO_dump_indent_cb(write_bio, bp, s, len, indent); |
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}
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