2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * Stolen from tjh's ssl/ssl_trc.c stuff.
18 #define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4))
20 #define SPACE(buf, pos, n) (sizeof(buf) - (pos) > (n))
22 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
23 void *u, const void *s, int len)
25 return BIO_dump_indent_cb(cb, u, s, len, 0);
28 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
29 void *u, const void *v, int len, int indent)
31 const unsigned char *s = v;
40 else if (indent > 128)
43 dump_width = DUMP_WIDTH_LESS_INDENT(indent);
44 rows = len / dump_width;
45 if ((rows * dump_width) < len)
47 for (i = 0; i < rows; i++) {
48 n = BIO_snprintf(buf, sizeof(buf), "%*s%04x - ", indent, "",
50 for (j = 0; j < dump_width; j++) {
51 if (SPACE(buf, n, 3)) {
52 if (((i * dump_width) + j) >= len) {
55 ch = *(s + i * dump_width + j) & 0xff;
56 BIO_snprintf(buf + n, 4, "%02x%c", ch,
62 if (SPACE(buf, n, 2)) {
66 for (j = 0; j < dump_width; j++) {
67 if (((i * dump_width) + j) >= len)
69 if (SPACE(buf, n, 1)) {
70 ch = *(s + i * dump_width + j) & 0xff;
71 #ifndef CHARSET_EBCDIC
72 buf[n++] = ((ch >= ' ') && (ch <= '~')) ? ch : '.';
74 buf[n++] = ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
81 if (SPACE(buf, n, 1)) {
86 * if this is the last call then update the ddt_dump thing so that we
87 * will move the selection point in the debug window
89 ret += cb((void *)buf, n, u);
94 #ifndef OPENSSL_NO_STDIO
95 static int write_fp(const void *data, size_t len, void *fp)
97 return UP_fwrite(data, len, 1, fp);
100 int BIO_dump_fp(FILE *fp, const void *s, int len)
102 return BIO_dump_cb(write_fp, fp, s, len);
105 int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent)
107 return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
111 static int write_bio(const void *data, size_t len, void *bp)
113 return BIO_write((BIO *)bp, (const char *)data, len);
116 int BIO_dump(BIO *bp, const void *s, int len)
118 return BIO_dump_cb(write_bio, bp, s, len);
121 int BIO_dump_indent(BIO *bp, const void *s, int len, int indent)
123 return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
126 int BIO_hex_string(BIO *out, int indent, int width, const void *data,
129 const unsigned char *d = data;
135 for (i = 0; i < datalen - 1; i++) {
137 BIO_printf(out, "%*s", indent, "");
139 BIO_printf(out, "%02X:", d[i]);
143 BIO_printf(out, "\n");
147 BIO_printf(out, "%*s", indent, "");
148 BIO_printf(out, "%02X", d[datalen - 1]);