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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2010 Brian Raderman <brian@irregularexpression.org>
* Copyright (C) 2013-2015 Vasily Kulikov <segoon@openwall.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
#include "config.h"
#include "syshead.h"
#include "common.h"
#include "buffer.h"
#include "error.h"
*/
#include "common_osx.h"
#include <err.h>
void
printCFString(CFStringRef str)
{
CFIndex bufferLength = CFStringGetLength(str) + 1;
char *pBuffer = (char *)malloc(sizeof(char) * bufferLength);
CFStringGetCString(str, pBuffer, bufferLength, kCFStringEncodingUTF8);
warnx("%s\n", pBuffer);
free(pBuffer);
}
char *
cfstringToCstr(CFStringRef str)
{
CFIndex bufferLength = CFStringGetLength(str) + 1;
char *pBuffer = (char *)malloc(sizeof(char) * bufferLength);
CFStringGetCString(str, pBuffer, bufferLength, kCFStringEncodingUTF8);
return pBuffer;
}
void
appendHexChar(CFMutableStringRef str, unsigned char halfByte)
{
if (halfByte < 10)
{
CFStringAppendFormat(str, NULL, CFSTR("%d"), halfByte);
}
else
{
char tmp[2] = {'A'+halfByte-10, 0};
CFStringAppendCString(str, tmp, kCFStringEncodingUTF8);
}
}
CFStringRef
createHexString(unsigned char *pData, int length)
{
unsigned char byte, low, high;
int i;
CFMutableStringRef str = CFStringCreateMutable(NULL, 0);
for (i = 0; i < length; i++)
{
byte = pData[i];
low = byte & 0x0F;
high = (byte >> 4);
appendHexChar(str, high);
appendHexChar(str, low);
if (i != (length - 1))
{
CFStringAppendCString(str, " ", kCFStringEncodingUTF8);
}
}
return str;
}
void
printHex(unsigned char *pData, int length)
{
CFStringRef hexStr = createHexString(pData, length);
printCFString(hexStr);
CFRelease(hexStr);
}
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