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/**
* WinPR: Windows Portable Runtime
* Print Utils
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <winpr/config.h>
#include <winpr/debug.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include <winpr/crt.h>
#include <winpr/print.h>
#include "../log.h"
#ifndef MIN
#define MIN(a, b) (a) < (b) ? (a) : (b)
#endif
void winpr_HexDump(const char* tag, UINT32 level, const void* data, size_t length)
{
wLog* log = WLog_Get(tag);
winpr_HexLogDump(log, level, data, length);
}
void winpr_HexLogDump(wLog* log, UINT32 lvl, const void* data, size_t length)
{
const BYTE* p = data;
size_t line = 0;
size_t offset = 0;
const size_t maxlen = 20; /* 64bit SIZE_MAX as decimal */
/* String line length:
* prefix '[1234] '
* hexdump '01 02 03 04'
* separator ' '
* ASIC line 'ab..cd'
* zero terminator '\0'
*/
const size_t blen =
(maxlen + 3) + (WINPR_HEXDUMP_LINE_LENGTH * 3) + 3 + WINPR_HEXDUMP_LINE_LENGTH + 1;
size_t pos = 0;
char* buffer = NULL;
if (!WLog_IsLevelActive(log, lvl))
return;
if (!log)
return;
buffer = malloc(blen);
if (!buffer)
{
char ebuffer[256] = { 0 };
WLog_Print(log, WLOG_ERROR, "malloc(%" PRIuz ") failed with [%" PRIuz "] %s", blen, errno,
winpr_strerror(errno, ebuffer, sizeof(ebuffer)));
return;
}
while (offset < length)
{
int rc = _snprintf(&buffer[pos], blen - pos, "%04" PRIuz " ", offset);
if (rc < 0)
goto fail;
pos += (size_t)rc;
line = length - offset;
if (line > WINPR_HEXDUMP_LINE_LENGTH)
line = WINPR_HEXDUMP_LINE_LENGTH;
size_t i = 0;
for (; i < line; i++)
{
rc = _snprintf(&buffer[pos], blen - pos, "%02" PRIx8 " ", p[i]);
if (rc < 0)
goto fail;
pos += (size_t)rc;
}
for (; i < WINPR_HEXDUMP_LINE_LENGTH; i++)
{
rc = _snprintf(&buffer[pos], blen - pos, " ");
if (rc < 0)
goto fail;
pos += (size_t)rc;
}
for (size_t i = 0; i < line; i++)
{
rc = _snprintf(&buffer[pos], blen - pos, "%c",
(p[i] >= 0x20 && p[i] < 0x7F) ? (char)p[i] : '.');
if (rc < 0)
goto fail;
pos += (size_t)rc;
}
WLog_Print(log, lvl, "%s", buffer);
offset += line;
p += line;
pos = 0;
}
WLog_Print(log, lvl, "[length=%" PRIuz "] ", length);
fail:
free(buffer);
}
void winpr_CArrayDump(const char* tag, UINT32 level, const void* data, size_t length, size_t width)
{
const BYTE* p = data;
size_t offset = 0;
const size_t llen = ((length > width) ? width : length) * 4ull + 1ull;
size_t pos = 0;
char* buffer = malloc(llen);
if (!buffer)
{
char ebuffer[256] = { 0 };
WLog_ERR(tag, "malloc(%" PRIuz ") failed with [%d] %s", llen, errno,
winpr_strerror(errno, ebuffer, sizeof(ebuffer)));
return;
}
while (offset < length)
{
size_t line = length - offset;
if (line > width)
line = width;
pos = 0;
for (size_t i = 0; i < line; i++)
{
const int rc = _snprintf(&buffer[pos], llen - pos, "\\x%02" PRIX8 "", p[i]);
if (rc < 0)
goto fail;
pos += (size_t)rc;
}
WLog_LVL(tag, level, "%s", buffer);
offset += line;
p += line;
}
fail:
free(buffer);
}
static BYTE value(char c)
{
if ((c >= '0') && (c <= '9'))
return c - '0';
if ((c >= 'A') && (c <= 'F'))
return 10 + c - 'A';
if ((c >= 'a') && (c <= 'f'))
return 10 + c - 'a';
return 0;
}
size_t winpr_HexStringToBinBuffer(const char* str, size_t strLength, BYTE* data, size_t dataLength)
{
size_t y = 0;
size_t maxStrLen = 0;
if (!str || !data || (strLength == 0) || (dataLength == 0))
return 0;
maxStrLen = strnlen(str, strLength);
for (size_t x = 0; x < maxStrLen;)
{
BYTE val = value(str[x++]);
if (x < maxStrLen)
val = (BYTE)(val << 4) | (value(str[x++]));
if (x < maxStrLen)
{
if (str[x] == ' ')
x++;
}
data[y++] = val;
if (y >= dataLength)
return y;
}
return y;
}
size_t winpr_BinToHexStringBuffer(const BYTE* data, size_t length, char* dstStr, size_t dstSize,
BOOL space)
{
const size_t n = space ? 3 : 2;
const char bin2hex[] = "0123456789ABCDEF";
const size_t maxLength = MIN(length, dstSize / n);
if (!data || !dstStr || (length == 0) || (dstSize == 0))
return 0;
for (size_t i = 0; i < maxLength; i++)
{
const int ln = data[i] & 0xF;
const int hn = (data[i] >> 4) & 0xF;
char* dst = &dstStr[i * n];
dst[0] = bin2hex[hn];
dst[1] = bin2hex[ln];
if (space)
dst[2] = ' ';
}
if (space && (maxLength > 0))
{
dstStr[maxLength * n - 1] = '\0';
return maxLength * n - 1;
}
dstStr[maxLength * n] = '\0';
return maxLength * n;
}
char* winpr_BinToHexString(const BYTE* data, size_t length, BOOL space)
{
size_t rc = 0;
const size_t n = space ? 3 : 2;
const size_t size = (length + 1ULL) * n;
char* p = (char*)malloc(size);
if (!p)
return NULL;
rc = winpr_BinToHexStringBuffer(data, length, p, size, space);
if (rc == 0)
{
free(p);
return NULL;
}
return p;
}
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