sysconfig/network-scripts/ifup-post


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// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
 * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
 */

#include <common.h>
#include <dm.h>
#include <errno.h>
#include <reset-uclass.h>
#include <stm32_rcc.h>
#include <asm/io.h>

/* reset clear offset for STM32MP RCC */
#define RCC_CL 0x4<#!/bin/sh

cd /etc/sysconfig/network-scripts
. network-functions

[ -f ../network ] && . ../network

CONFIG=$1
source_config

if [ "$ISALIAS" = no ] ; then
    /etc/sysconfig/network-scripts/ifup-aliases ${DEVICE} ${CONFIG}
fi

/etc/sysconfig/network-scripts/ifup-routes ${DEVICE} ${DEVNAME}


if [ "$PEERDNS" != "no" -o -n "$RESOLV_MODS" -a "$RESOLV_MODS" != "no" ]; then
  [ -n "$MS_DNS1" ] && DNS1=$MS_DNS1
  [ -n "$MS_DNS2" ] && DNS2=$MS_DNS2
  if [ -n "$DNS1" ] && ! grep -q "^nameserver $DNS1" /etc/resolv.conf &&
   tr=`mktemp /tmp/resolv.XXXXXX` ; then
    # replace only the first two nameserver lines; cannot count on awk
    # and do not know if sed is capable of this...
    current_replacement="$DNS1"
    next_replacement="$DNS2"
    search=
    (cat /etc/resolv.conf ; echo EOF ; echo EOF) | while read answer ; do
	case $answer in
	    nameserver*|EOF)
		if [ -n "$current_replacement" ] ; then
		    echo "nameserver $current_replacement" >> $tr
		    if [ -n "$next_replacement" ] ; then
			current_replacement="$next_replacement"
			next_replacement=
		    else
			current_replacement=
		    fi
		else
		    if [ "$answer" != EOF ] ; then
			echo "$answer" >> $tr
		    fi
		fi
		;;
	    domain*|search*)
	        if [ -n "$DOMAIN" ]; then
	            echo "$answer" | while read key value ; do
		        search="$search $value"
		    done
		else
		    echo "$answer" >> $tr
		fi
		;;
	    *)
		echo "$answer" >> $tr
		;;
	esac
    done
    if [ -n "$DOMAIN" ]; then
        echo "search $DOMAIN $search" >> $tr
    fi

    # backup resolv.conf
    cp -af /etc/resolv.conf /etc/resolv.conf.save

    # maintain permissions
    # but set umask in case it doesn't exist!
    oldumask=`umask`
    umask 022
    cat $tr > /etc/resolv.conf
    rm -f $tr
    umask $oldumask
  fi
fi

if [ "$FIREWALL_MODS" != "no" -a -f /etc/sysconfig/iptables ] && \
      iptables -L -n 2>/dev/null | grep -q RH-Lokkit-0-50-INPUT ; then
	ns=`awk '/^nameserver / { print $2 }' /etc/resolv.conf`
	if [ -n "$ns" ]; then
		for nameserver in $ns ; do
			if ! iptables -L RH-Lokkit-0-50-INPUT -n | grep -q "$nameserver.* --sport 53 " ; then
				iptables -I RH-Lokkit-0-50-INPUT -m udp -s $nameserver/32 --sport 53 -d 0/0 --dport 1025:65535 -p udp -j ACCEPT
				[ -x /usr/bin/logger ] && logger $"punching nameserver $nameserver through the firewall"
			fi
		done
	fi
fi

# don't set hostname on ppp/slip connections
if [ "$2" = "boot" -a \
     "${DEVICE}" != lo -a \
     "${DEVICETYPE}" != "ppp" -a \
     "${DEVICETYPE}" != "slip" ]; then
    if need_hostname; then
	IPADDR=`LANG= LC_ALL= ifconfig ${DEVICE} | grep 'inet addr' | 
		awk -F: '{ print $2 } ' | awk '{ print $1 }'`
	eval `/bin/ipcalc --silent --hostname ${IPADDR}`
	if [ "$?" = "0" ]; then
	    set_hostname $HOSTNAME
	fi
    fi
fi

# Notify programs that have requested notification
do_netreport

if [ -x /sbin/ifup-local ]; then
    /sbin/ifup-local ${DEVICE}
fi

exit 0