158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/****************************************************************************
|
|
* netutils/uiplib/uiplib.c
|
|
* Various uIP library functions.
|
|
*
|
|
* Copyright (C) 2007, 2009, 2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Based on uIP which also has a BSD style license:
|
|
*
|
|
* Author: Adam Dunkels <adam@sics.se>
|
|
* Copyright (c) 2004, Adam Dunkels and the Swedish Institute of
|
|
* Computer Science.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/net/uip/uip.h>
|
|
#include <apps/netutils/uiplib.h>
|
|
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
bool uiplib_ipaddrconv(const char *addrstr, uint8_t *ipaddr)
|
|
{
|
|
unsigned char tmp;
|
|
char c;
|
|
unsigned char i;
|
|
unsigned char j;
|
|
|
|
tmp = 0;
|
|
|
|
for (i = 0; i < 4; ++i)
|
|
{
|
|
j = 0;
|
|
do
|
|
{
|
|
c = *addrstr;
|
|
++j;
|
|
if (j > 4)
|
|
{
|
|
return false;
|
|
}
|
|
if (c == '.' || c == 0)
|
|
{
|
|
*ipaddr = tmp;
|
|
++ipaddr;
|
|
tmp = 0;
|
|
}
|
|
else if (c >= '0' && c <= '9')
|
|
{
|
|
tmp = (tmp * 10) + (c - '0');
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
++addrstr;
|
|
}
|
|
while (c != '.' && c != 0);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool uiplib_hwmacconv(const char *hwstr, uint8_t *hw)
|
|
{
|
|
unsigned char tmp;
|
|
char c;
|
|
unsigned char i;
|
|
unsigned char j;
|
|
|
|
if (strlen(hwstr) != 17)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
tmp = 0;
|
|
|
|
for (i = 0; i < 6; ++i)
|
|
{
|
|
j = 0;
|
|
do
|
|
{
|
|
c = *hwstr;
|
|
++j;
|
|
if (j > 3)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (c == ':' || c == 0)
|
|
{
|
|
*hw = tmp;
|
|
nvdbg("HWMAC[%d]%0.2X\n",i,tmp);
|
|
++hw;
|
|
tmp = 0;
|
|
}
|
|
else if (c >= '0' && c <= '9')
|
|
{
|
|
tmp = (tmp << 4) + (c - '0');
|
|
}
|
|
else if (c >= 'a' && c <= 'f')
|
|
{
|
|
tmp = (tmp << 4) + (c - 'a' + 10);
|
|
}
|
|
else if (c >= 'A' && c <= 'F')
|
|
{
|
|
tmp = (tmp << 4) + (c - 'A' + 10);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
|
|
++hwstr;
|
|
}
|
|
while (c != ':' && c != 0);
|
|
}
|
|
|
|
return true;
|
|
}
|