-/* crypto/bio/b_dump.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-/*
+/*
* Stolen from tjh's ssl/ssl_trc.c stuff.
*/
#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/bio.h>
+#include "bio_lcl.h"
#define TRUNCATE
-#define DUMP_WIDTH 16
+#define DUMP_WIDTH 16
+#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4))
-int BIO_dump(BIO *bio, const char *s, int len)
+#define SPACE(buf, pos, n) (sizeof(buf) - (pos) > (n))
+
+int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
+ void *u, const char *s, int len)
{
- int ret=0;
- char buf[160+1],tmp[20];
- int i,j,rows,trunc;
- unsigned char ch;
+ return BIO_dump_indent_cb(cb, u, s, len, 0);
+}
- trunc=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];
+ int i, j, rows, trc, n;
+ unsigned char ch;
+ int dump_width;
+
+ trc = 0;
#ifdef TRUNCATE
- for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--)
- trunc++;
+ for (; (len > 0) && ((s[len - 1] == ' ') || (s[len - 1] == '\0')); len--)
+ trc++;
#endif
- rows=(len/DUMP_WIDTH);
- if ((rows*DUMP_WIDTH)<len)
- rows++;
- for(i=0;i<rows;i++) {
- buf[0]='\0'; /* start with empty string */
- sprintf(tmp,"%04x - ",i*DUMP_WIDTH);
- strcpy(buf,tmp);
- for(j=0;j<DUMP_WIDTH;j++) {
- if (((i*DUMP_WIDTH)+j)>=len) {
- strcat(buf," ");
- } else {
- ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
- sprintf(tmp,"%02x%c",ch,j==7?'-':' ');
- strcat(buf,tmp);
- }
- }
- strcat(buf," ");
- for(j=0;j<DUMP_WIDTH;j++) {
- if (((i*DUMP_WIDTH)+j)>=len)
- break;
- ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff;
- sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.');
- strcat(buf,tmp);
+ if (indent < 0)
+ indent = 0;
+ else if (indent > 128)
+ indent = 128;
+
+ dump_width = DUMP_WIDTH_LESS_INDENT(indent);
+ rows = len / dump_width;
+ if ((rows * dump_width) < len)
+ rows++;
+ for (i = 0; i < rows; i++) {
+ n = BIO_snprintf(buf, sizeof(buf), "%*s%04x - ", indent, "",
+ i * dump_width);
+ for (j = 0; j < dump_width; j++) {
+ if (SPACE(buf, n, 3)) {
+ if (((i * dump_width) + j) >= len) {
+ strcpy(buf + n, " ");
+ } else {
+ ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
+ BIO_snprintf(buf + n, 4, "%02x%c", ch,
+ j == 7 ? '-' : ' ');
+ }
+ n += 3;
+ }
+ }
+ if (SPACE(buf, n, 2)) {
+ strcpy(buf + n, " ");
+ n += 2;
+ }
+ for (j = 0; j < dump_width; j++) {
+ if (((i * dump_width) + j) >= len)
+ break;
+ if (SPACE(buf, n, 1)) {
+ ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
+#ifndef CHARSET_EBCDIC
+ buf[n++] = ((ch >= ' ') && (ch <= '~')) ? ch : '.';
+#else
+ buf[n++] = ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
+ ? os_toebcdic[ch]
+ : '.';
+#endif
+ buf[n] = '\0';
+ }
+ }
+ if (SPACE(buf, n, 1)) {
+ buf[n++] = '\n';
+ buf[n] = '\0';
+ }
+ /*
+ * 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, n, u);
}
- strcat(buf,"\n");
- /* 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+=BIO_write(bio,(char *)buf,strlen(buf));
- }
#ifdef TRUNCATE
- if (trunc > 0) {
- sprintf(buf,"%04x - <SPACES/NULS>\n",len+trunc);
- ret+=BIO_write(bio,(char *)buf,strlen(buf));
- }
+ if (trc > 0) {
+ n = BIO_snprintf(buf, sizeof(buf), "%*s%04x - <SPACES/NULS>\n",
+ indent, "", len + trc);
+ ret += cb((void *)buf, n, u);
+ }
#endif
- return(ret);
+ return ret;
+}
+
+#ifndef OPENSSL_NO_STDIO
+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;
+}
projects / openssl.git / blobdiff