diff options
author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
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committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/libs/openssl/crypto/bio/b_dump.c | |
download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/libs/openssl/crypto/bio/b_dump.c')
-rw-r--r-- | contrib/libs/openssl/crypto/bio/b_dump.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/contrib/libs/openssl/crypto/bio/b_dump.c b/contrib/libs/openssl/crypto/bio/b_dump.c new file mode 100644 index 0000000000..f175e244b2 --- /dev/null +++ b/contrib/libs/openssl/crypto/bio/b_dump.c @@ -0,0 +1,148 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * 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 "bio_local.h" + +#define DUMP_WIDTH 16 +#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4)) + +#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) +{ + 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]; + int i, j, rows, n; + unsigned char ch; + int dump_width; + + if (indent < 0) + indent = 0; + else if (indent > 64) + indent = 64; + + 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); + } + 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; +} |