2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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 char *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 char *s, int len, int indent)
39 else if (indent > 128)
42 dump_width = DUMP_WIDTH_LESS_INDENT(indent);
43 rows = len / dump_width;
44 if ((rows * dump_width) < len)
46 for (i = 0; i < rows; i++) {
47 n = BIO_snprintf(buf, sizeof(buf), "%*s%04x - ", indent, "",
49 for (j = 0; j < dump_width; j++) {
50 if (SPACE(buf, n, 3)) {
51 if (((i * dump_width) + j) >= len) {
54 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
55 BIO_snprintf(buf + n, 4, "%02x%c", ch,
61 if (SPACE(buf, n, 2)) {
65 for (j = 0; j < dump_width; j++) {
66 if (((i * dump_width) + j) >= len)
68 if (SPACE(buf, n, 1)) {
69 ch = ((unsigned char)*(s + i * dump_width + j)) & 0xff;
70 #ifndef CHARSET_EBCDIC
71 buf[n++] = ((ch >= ' ') && (ch <= '~')) ? ch : '.';
73 buf[n++] = ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
80 if (SPACE(buf, n, 1)) {
85 * if this is the last call then update the ddt_dump thing so that we
86 * will move the selection point in the debug window
88 ret += cb((void *)buf, n, u);
93 #ifndef OPENSSL_NO_STDIO
94 static int write_fp(const void *data, size_t len, void *fp)
96 return UP_fwrite(data, len, 1, fp);
99 int BIO_dump_fp(FILE *fp, const char *s, int len)
101 return BIO_dump_cb(write_fp, fp, s, len);
104 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent)
106 return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
110 static int write_bio(const void *data, size_t len, void *bp)
112 return BIO_write((BIO *)bp, (const char *)data, len);
115 int BIO_dump(BIO *bp, const char *s, int len)
117 return BIO_dump_cb(write_bio, bp, s, len);
120 int BIO_dump_indent(BIO *bp, const char *s, int len, int indent)
122 return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
125 int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
133 for (i = 0; i < datalen - 1; i++) {
135 BIO_printf(out, "%*s", indent, "");
137 BIO_printf(out, "%02X:", data[i]);
141 BIO_printf(out, "\n");
145 BIO_printf(out, "%*s", indent, "");
146 BIO_printf(out, "%02X", data[datalen - 1]);