diff options
Diffstat (limited to 'openssl/crypto/bio/b_dump.c')
| -rw-r--r-- | openssl/crypto/bio/b_dump.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/openssl/crypto/bio/b_dump.c b/openssl/crypto/bio/b_dump.c new file mode 100644 index 0000000..ccf0e28 --- /dev/null +++ b/openssl/crypto/bio/b_dump.c @@ -0,0 +1,208 @@ +/* crypto/bio/b_dump.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +/* + * Stolen from tjh's ssl/ssl_trc.c stuff. + */ + +#include <stdio.h> +#include "cryptlib.h" +#include "bio_lcl.h" + +#define TRUNCATE +#define DUMP_WIDTH 16 +#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH-((i-(i>6?6:i)+3)/4)) + +int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), + void *u, const char *s, int len) +{ + return BIO_dump_indent_cb(cb, u, s, len, 0); +} + +int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), + void *u, const char *s, int len, int indent) +{ + int ret = 0; + char buf[288 + 1], tmp[20], str[128 + 1]; + int i, j, rows, trc; + unsigned char ch; + int dump_width; + + trc = 0; + +#ifdef TRUNCATE + for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--) + trc++; +#endif + + if (indent < 0) + indent = 0; + if (indent) { + if (indent > 128) + indent = 128; + memset(str, ' ', indent); + } + str[indent] = '\0'; + + dump_width = DUMP_WIDTH_LESS_INDENT(indent); + rows = (len / dump_width); + if ((rows * dump_width) < len) + rows++; + for (i = 0; i < rows; i++) { + BUF_strlcpy(buf, str, sizeof buf); + BIO_snprintf(tmp, sizeof tmp, "%04x - ", i * dump_width); + BUF_strlcat(buf, tmp, sizeof buf); + for (j = 0; j < dump_width; j++) { + if (((i * dump_width) + j) >= len) { + BUF_strlcat(buf, " ", sizeof buf); + } else { + ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; + BIO_snprintf(tmp, sizeof tmp, "%02x%c", ch, + j == 7 ? '-' : ' '); + BUF_strlcat(buf, tmp, sizeof buf); + } + } + BUF_strlcat(buf, " ", sizeof buf); + for (j = 0; j < dump_width; j++) { + if (((i * dump_width) + j) >= len) + break; + ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff; +#ifndef CHARSET_EBCDIC + BIO_snprintf(tmp, sizeof tmp, "%c", + ((ch >= ' ') && (ch <= '~')) ? ch : '.'); +#else + BIO_snprintf(tmp, sizeof tmp, "%c", + ((ch >= os_toascii[' ']) && (ch <= os_toascii['~'])) + ? os_toebcdic[ch] + : '.'); +#endif + BUF_strlcat(buf, tmp, sizeof buf); + } + BUF_strlcat(buf, "\n", sizeof buf); + /* + * if this is the last call then update the ddt_dump thing so that we + * will move the selection point in the debug window + */ + ret += cb((void *)buf, strlen(buf), u); + } +#ifdef TRUNCATE + if (trc > 0) { + BIO_snprintf(buf, sizeof buf, "%s%04x - <SPACES/NULS>\n", str, + len + trc); + ret += cb((void *)buf, strlen(buf), u); + } +#endif + return (ret); +} + +#ifndef OPENSSL_NO_FP_API +static int write_fp(const void *data, size_t len, void *fp) +{ + return UP_fwrite(data, len, 1, fp); +} + +int BIO_dump_fp(FILE *fp, const char *s, int len) +{ + return BIO_dump_cb(write_fp, fp, s, len); +} + +int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent) +{ + return BIO_dump_indent_cb(write_fp, fp, s, len, indent); +} +#endif + +static int write_bio(const void *data, size_t len, void *bp) +{ + return BIO_write((BIO *)bp, (const char *)data, len); +} + +int BIO_dump(BIO *bp, const char *s, int len) +{ + return BIO_dump_cb(write_bio, bp, s, len); +} + +int BIO_dump_indent(BIO *bp, const char *s, int len, int indent) +{ + return BIO_dump_indent_cb(write_bio, bp, s, len, indent); +} + +int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, + int datalen) +{ + int i, j = 0; + + if (datalen < 1) + return 1; + + for (i = 0; i < datalen - 1; i++) { + if (i && !j) + BIO_printf(out, "%*s", indent, ""); + + BIO_printf(out, "%02X:", data[i]); + + j = (j + 1) % width; + if (!j) + BIO_printf(out, "\n"); + } + + if (i && !j) + BIO_printf(out, "%*s", indent, ""); + BIO_printf(out, "%02X", data[datalen - 1]); + return 1; +} |