89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Oliver Schmidt <ol.sc@web.de>
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*
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* $Id: config.c,v 1.1 2007/11/27 21:42:02 oliverschmidt Exp $
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include "contiki-net.h"
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#include "lib/error.h"
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#include "net/ethernet-drv.h"
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/*-----------------------------------------------------------------------------------*/
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struct ethernet_config *
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config_read(char *filename)
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{
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static struct {
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uip_ipaddr_t hostaddr;
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uip_ipaddr_t netmask;
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uip_ipaddr_t draddr;
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uip_ipaddr_t resolvaddr;
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struct ethernet_config ethernetcfg;
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} config;
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int file;
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file = open(filename, O_RDONLY);
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if(file < 0) {
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fprintf(stderr, "%s: %s\n", filename, strerror(errno));
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error_exit();
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}
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if(read(file, &config, sizeof(config)) < sizeof(config)
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- sizeof(config.ethernetcfg.name)) {
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fprintf(stderr, "%s: %s\n", filename, "No Config File");
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error_exit();
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}
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close(file);
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fprintf(stderr, "IP Address: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.hostaddr));
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fprintf(stderr, "Subnet Mask: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.netmask));
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fprintf(stderr, "Def. Router: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.draddr));
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fprintf(stderr, "DNS Server: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&config.resolvaddr));
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fprintf(stderr, "Eth. Driver: %s at $%X\n", config.ethernetcfg.name,
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config.ethernetcfg.addr);
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uip_sethostaddr(&config.hostaddr);
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uip_setnetmask(&config.netmask);
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uip_setdraddr(&config.draddr);
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resolv_conf(&config.resolvaddr);
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return &config.ethernetcfg;
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}
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/*-----------------------------------------------------------------------------------*/
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