nicolaspc
(usa Linux Mint)
Enviado em 21/02/2013 - 13:11h
//Script de Inicialização da placa
#! /bin/sh
# /etc/rc.d/rc.inet1
# This script is used to bring up the various network interfaces.
#
# @(#)/etc/rc.d/rc.inet1 10.2 Sun Jul 24 12:45:56 PDT 2005 (pjv)
############################
# READ NETWORK CONFIG FILE #
############################
# Get the configuration information from /etc/rc.d/rc.inet1.conf:
. /etc/rc.d/rc.inet1.conf
###########
# LOGGING #
###########
# If possible, log events in /var/log/messages:
if [ -f /var/run/syslogd.pid -a -x /usr/bin/logger ]; then
LOGGER=/usr/bin/logger
else # output to stdout/stderr:
LOGGER=/bin/cat
fi
############################
# DETERMINE INTERFACE LIST #
############################
# Compose a list of interfaces from /etc/rc.d/rc.inet1.conf (with a maximum
# of 6 interfaces, but you can easily enlarge the interface limit
# - send me a picture of such a box :-).
# If a value for IFNAME[n] is not set, we assume it is an eth'n' interface.
# This way, the new script is compatible with older rc.inet1.conf files.
# The IFNAME array will be used to determine which interfaces to bring up/down.
MAXNICS=${MAXNICS:-6}
i=0
while [ $i -lt $MAXNICS ];
do
IFNAME[$i]=${IFNAME[$i]:=eth${i}}
i=$(($i+1))
done
if [ "$DEBUG_ETH_UP" = "yes" ]; then
echo "/etc/rc.d/rc.inet1: List of interfaces: '${IFNAME[@]}'" | $LOGGER
fi
######################
# LOOPBACK FUNCTIONS #
######################
# Function to bring up the loopback interface. If loopback is
# already up, do nothing.
lo_up() {
if grep lo: /proc/net/dev 1> /dev/null ; then
if ! /sbin/ifconfig | grep "^lo" 1> /dev/null ; then
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig lo 127.0.0.1" | $LOGGER
/sbin/ifconfig lo 127.0.0.1
echo "/etc/rc.d/rc.inet1: /sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo" | $LOGGER
/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
fi
fi
}
# Function to take down the loopback interface:
lo_down() {
if grep lo: /proc/net/dev 1> /dev/null ; then
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig lo down" | $LOGGER
/sbin/ifconfig lo down
fi
}
#######################
# INTERFACE FUNCTIONS #
#######################
# Function to assemble a bridge interface.
br_open() {
# argument is 'i' - the position of this interface in the IFNAME array.
/sbin/brctl addbr ${IFNAME[$1]}
for BRIF in $(echo ${BRNICS[$1]}); do
/sbin/ifconfig $BRIF down
/sbin/ifconfig $BRIF 0.0.0.0 promisc up
/sbin/brctl addif ${IFNAME[$1]} $BRIF
done
}
# Function to disassemble a bridge interface.
br_close() {
# argument is 'i' - the position of this interface in the IFNAME array.
#for BRIF in $(echo ${BRNICS[$1]}); do
for BRIF in $(ls --indicator-style=none /sys/class/net/${IFNAME[$1]}/brif/)
do
/sbin/brctl delif ${IFNAME[$1]} $BRIF
done
/sbin/ifconfig ${IFNAME[$1]} down
/sbin/brctl delbr ${IFNAME[$1]}
}
# Function to bring up a network interface. If the interface is
# already up or does not yet exist (perhaps because the kernel driver
# is not loaded yet), do nothing.
if_up() {
# Determine position 'i' of this interface in the IFNAME array:
i=0
while [ $i -lt $MAXNICS ]; do
[ "${IFNAME[$i]}" = "${1}" ] && break
i=$(($i+1))
done
# If the interface is a bridge, then create it first:
[ -n "${BRNICS[$i]}" ] && br_open $i
# If the interface isn't in the kernel yet (but there's an alias for it in
# modules.conf), then it should be loaded first:
if ! grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then # no interface yet
if /sbin/modprobe -c | grep -v "^#" | grep -w "alias ${1}" | grep -vw "alias ${1} off" > /dev/null ; then
echo "/etc/rc.d/rc.inet1: /sbin/modprobe ${1}" | $LOGGER
/sbin/modprobe ${1}
fi
fi
if grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then # interface exists
if ! /sbin/ifconfig | grep -w "${1}" 1>/dev/null || \
! /sbin/ifconfig ${1} | grep -w inet 1> /dev/null ; then # interface not up or not configured
if [ ! "${HWADDR[$i]}" = "" ]; then # Set hardware address _before_ the interface goes up:
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig ${1} hw ether ${HWADDR[$i]}" | $LOGGER
/sbin/ifconfig ${1} hw ether ${HWADDR[$i]}
fi
if [ ! "${MTU[$i]}" = "" ]; then # Set MTU to something else than 1500
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig ${1} mtu ${MTU[$i]}" | $LOGGER
/sbin/ifconfig ${1} mtu ${MTU[$i]}
fi
if [ -x /etc/rc.d/rc.wireless ]; then
. /etc/rc.d/rc.wireless ${1} start # Initialize any wireless parameters
fi
if [ "${USE_DHCP[$i]}" = "yes" ]; then # use DHCP to bring interface up
# Clear DHCP_OPTIONS before adding new options to it:
unset DHCP_OPTIONS
# Set DHCP_OPTIONS for this interface:
[ ${DHCP_HOSTNAME[$i]} ] && DHCP_OPTIONS="-h ${DHCP_HOSTNAME[$i]}"
[ "${DHCP_KEEPRESOLV[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -C resolv.conf"
[ "${DHCP_KEEPNTP[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -C ntp.conf"
[ "${DHCP_KEEPGW[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -G"
[ "${DHCP_DEBUG[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -d"
[ "${DHCP_NOIPV4LL[$i]}" = "yes" ] && DHCP_OPTIONS="$DHCP_OPTIONS -L"
[ ${DHCP_IPADDR[$i]} ] && DHCP_OPTIONS="$DHCP_OPTIONS -r ${DHCP_IPADDR[$i]}"
echo "Polling for DHCP server on interface ${1}:"
# If you set a timeout, you get one, even if the kernel doesn't think that
# your device is connected, in case /sys isn't right (which it usually isn't
# except right after the device is loaded, when it usually is):
#### (start commented out)
# This is deactivated for now since the kernel has been returning incorrect
# results concerning whether the interface carrier is detected.
#if [ "${DHCP_TIMEOUT[$i]}" = "" ]; then
# ifconfig ${1} up && sleep 1
# CONNSTATUS="$(cat /sys/class/net/${1}/carrier 2> /dev/null)"
# ifconfig ${1} down
# if [ "$CONNSTATUS" = "0" ]; then
# # The kernel has just told us the cable isn't even plugged in, but we will
# # give any DHCP server a short chance to reply anyway:
# echo "No carrier detected on ${1}. Reducing DHCP timeout to 10 seconds."
# DHCP_TIMEOUT[$i]=10
# fi
#fi
#### (end commented out)
# 10 seconds should be a reasonable default DHCP timeout. 30 was too much.
echo "/etc/rc.d/rc.inet1: /sbin/dhcpcd -t ${DHCP_TIMEOUT[$i]:-10} ${DHCP_OPTIONS} ${1}" | $LOGGER
/sbin/dhcpcd -t ${DHCP_TIMEOUT[$i]:-10} ${DHCP_OPTIONS} ${1}
else # bring up interface using a static IP address
if [ ! "${IPADDR[$i]}" = "" ]; then # skip unconfigured interfaces
# Determine broadcast address from the IP address and netmask:
BROADCAST[$i]=`/bin/ipmask ${NETMASK[$i]} ${IPADDR[$i]}|cut -f1 -d' '`
# Set up the network card:
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig ${1} ${IPADDR[$i]} broadcast ${BROADCAST[$i]} netmask ${NETMASK[$i]}" | $LOGGER
/sbin/ifconfig ${1} ${IPADDR[$i]} broadcast ${BROADCAST[$i]} netmask ${NETMASK[$i]}
else
if [ "$DEBUG_ETH_UP" = "yes" ]; then
echo "/etc/rc.d/rc.inet1: ${1} interface is not configured in /etc/rc.d/rc.inet1.conf" | $LOGGER
fi
fi
fi
else
if [ "$DEBUG_ETH_UP" = "yes" ]; then
echo "/etc/rc.d/rc.inet1: ${1} is already up, skipping" | $LOGGER
fi
fi
else
if [ "$DEBUG_ETH_UP" = "yes" ]; then
echo "/etc/rc.d/rc.inet1: ${1} interface does not exist (yet)" | $LOGGER
fi
fi
}
# Function to take down a network interface:
if_down() {
# Determine position 'i' of this interface in the IFNAME array:
i=0
while [ $i -lt $MAXNICS ]; do
[ "${IFNAME[$i]}" = "${1}" ] && break
i=$(($i+1))
done
if grep `echo ${1}: | cut -f 1 -d :`: /proc/net/dev 1> /dev/null ; then
if [ "${USE_DHCP[$i]}" = "yes" ]; then
echo "/etc/rc.d/rc.inet1: /sbin/dhcpcd -k -d ${1}" | $LOGGER
/sbin/dhcpcd -k -d ${1} 2> /dev/null || /sbin/ifconfig ${1} down
sleep 1
else
echo "/etc/rc.d/rc.inet1: /sbin/ifconfig ${1} down" | $LOGGER
/sbin/ifconfig ${1} down
fi
if [ -x /etc/rc.d/rc.wireless ]; then
. /etc/rc.d/rc.wireless ${1} stop # Kill wireless daemons if any.
fi
# If the interface is a bridge, then destroy it now:
[ -n "${BRNICS[$i]}" ] && br_close $i
fi
}
#####################
# GATEWAY FUNCTIONS #
#####################
# Function to bring up the gateway if there is not yet a default route:
gateway_up() {
if ! /sbin/route -n | grep "^0.0.0.0" 1> /dev/null ; then
if [ ! "$GATEWAY" = "" ]; then
echo "/etc/rc.d/rc.inet1: /sbin/route add default gw ${GATEWAY} metric 1" | $LOGGER
/sbin/route add default gw ${GATEWAY} metric 1 2>&1 | $LOGGER
fi
fi
}
# Function to take down an existing default gateway:
gateway_down() {
if /sbin/route -n | grep "^0.0.0.0" 1> /dev/null ; then
echo "/etc/rc.d/rc.inet1: /sbin/route del default" | $LOGGER
/sbin/route del default
fi
}
# Function to start the network:
start() {
lo_up
for i in ${IFNAME[@]} ; do
if_up $i
done
gateway_up
}
# Function to stop the network:
stop() {
gateway_down
for i in ${IFNAME[@]} ; do
if_down $i
done
lo_down
}
############
### MAIN ###
############
case "$1" in
'start') # "start" brings up all configured interfaces:
start
;;
'stop') # "stop" takes down all configured interfaces:
stop
;;
'restart') # "restart" restarts the network:
stop
start
;;
*_start) # Example: "eth1_start" will start the specified interface 'eth1'
INTERFACE=`echo $1 | /bin/cut -d '_' -f 1`
if_up $INTERFACE
gateway_up
;;
*_stop) # Example: "eth0_stop" will stop the specified interface 'eth0'
INTERFACE=`echo $1 | /bin/cut -d '_' -f 1`
if_down $INTERFACE
;;
*_restart) # Example: "wlan0_restart" will take 'wlan0' down and up again
INTERFACE=`echo $1 | /bin/cut -d '_' -f 1`
if_down $INTERFACE
sleep 1
if_up $INTERFACE
gateway_up
;;
'up') # "up" does the same thing as "start"
start
;;
'down') # "down" does the same thing as "stop"
stop
;;
*_up) # "*_up" does the same thing as "*_start"
INTERFACE=`echo $1 | /bin/cut -d '_' -f 1`
if_up $INTERFACE
gateway_up
;;
*_down) # "*_down" does the same thing as "*_stop"
INTERFACE=`echo $1 | /bin/cut -d '_' -f 1`
if_down $INTERFACE
;;
*) # The default is to bring up all configured interfaces:
start
esac
_______________________________________________________________________________________________________________________
//Conf das Interfaces
# /etc/rc.d/rc.inet1.conf
#
# This file contains the configuration settings for network interfaces.
# If USE_DHCP[interface] is set to "yes", this overrides any other settings.
# If you don't have an interface, leave the settings null ("").
# You can configure network interfaces other than eth0,eth1... by setting
# IFNAME[interface] to the interface's name. If IFNAME[interface] is unset
# or empty, it is assumed you're configuring eth<interface>.
# Several other parameters are available, the end of this file contains a
# comprehensive set of examples.
# =============================================================================
# Config information for eth0:
IPADDR[0]=""
NETMASK[0]=""
USE_DHCP[0]=""
DHCP_HOSTNAME[0]=""
# Config information for eth1:
IPADDR[1]=""
NETMASK[1]=""
USE_DHCP[1]=""
DHCP_HOSTNAME[1]=""
# Config information for eth2:
IPADDR[2]=""
NETMASK[2]=""
USE_DHCP[2]=""
DHCP_HOSTNAME[2]=""
# Config information for eth3:
IPADDR[3]=""
NETMASK[3]=""
USE_DHCP[3]=""
DHCP_HOSTNAME[3]=""
# Default gateway IP address:
GATEWAY=""
# Change this to "yes" for debugging output to stdout. Unfortunately,
# /sbin/hotplug seems to disable stdout so you'll only see debugging output
# when rc.inet1 is called directly.
DEBUG_ETH_UP="no"
# Example of how to configure a bridge:
# Note the added "BRNICS" variable which contains a space-separated list
# of the physical network interfaces you want to add to the bridge.
#IFNAME[0]="br0"
#BRNICS[0]="eth0"
#IPADDR[0]="192.168.0.1"
#NETMASK[0]="255.255.255.0"
#USE_DHCP[0]=""
#DHCP_HOSTNAME[0]=""
## Example config information for wlan0. Uncomment the lines you need and fill
## in your data. (You may not need all of these for your wireless network)
#IFNAME[4]="wlan0"
#IPADDR[4]=""
#NETMASK[4]=""
#USE_DHCP[4]="yes"
#DHCP_HOSTNAME[4]="icculus-wireless"
#DHCP_KEEPRESOLV[4]="yes"
#DHCP_KEEPNTP[4]="yes"
#DHCP_KEEPGW[4]="yes"
#DHCP_IPADDR[4]=""
#WLAN_ESSID[4]=DARKSTAR
#WLAN_MODE[4]=Managed
#WLAN_RATE[4]="54M auto"
#WLAN_CHANNEL[4]="auto"
#WLAN_KEY[4]="D5A31F54ACF0487C2D0B1C10D2"
#WLAN_IWPRIV[4]="set AuthMode=WPAPSK | set EncrypType=TKIP | set WPAPSK=96389dc66eaf7e6efd5b5523ae43c7925ff4df2f8b7099495192d44a774fda16"
#WLAN_WPA[4]="wpa_supplicant"
#WLAN_WPADRIVER[4]="wext"
#WLAN_WPAWAIT[4]=30
## Some examples of additional network parameters that you can use.
## Config information for wlan0:
#IFNAME[4]="wlan0" # Use a different interface name instead of
# the default 'eth4'
#IFNAME[4]="eth0:1" # Set up an IP alias.
#HWADDR[4]="00:01:23:45:67:89" # Overrule the card's hardware MAC address
#MTU[4]="" # The default MTU is 1500, but you might need
# 1360 when you use NAT'ed IPSec traffic.
#DHCP_TIMEOUT[4]=15 # The default timeout for the DHCP client to
# wait for server resonse is 10 seconds, but
# you might want a shorter or longer wait.
#DHCP_KEEPRESOLV[4]="yes" # If you dont want /etc/resolv.conf overwritten
#DHCP_KEEPNTP[4]="yes" # If you don't want ntp.conf overwritten
#DHCP_KEEPGW[4]="yes" # If you don't want the DHCP server to change
# your default gateway
#DHCP_IPADDR[4]="" # Request a specific IP address from the DHCP
# server
#DHCP_DEBUG[4]="yes" # Make dhcpcd show verbose diagnostics
#DHCP_NOIPV4LL[4]="yes" # Do not assign an ipv4ll address when a DHCP
# server is not found (ipv4ll link-local
# adresses in the IP range 169.254.0.0/16 are
# also known as "zeroconf" addresses)
#WLAN_ESSID[4]=DARKSTAR # An example of how you can override _any_
# parameter defined in rc.wireless.conf, by
# prepending 'WLAN_' to the parameter's name.
# Useful with multiple wireless interfaces.
#WLAN_IWPRIV[4]="set AuthMode=WPAPSK | set EncrypType=TKIP | set WPAPSK=thekey"
# Some drivers require a private ioctl to be
# set through the iwpriv command. If more than
# one is required, you can place them in the
# IWPRIV parameter (separated with the pipe (|)
# character, see the example).
#WLAN_WPA[4]="wpa_supplicant" # Run wpa_supplicant for WPA support
#WLAN_WPADRIVER[4]="ndiswrapper"# Tell wpa_supplicant to specifically use the
# ndiswrapper driver (if you leave this empty
# the 'wext' driver is used by default)
#WLAN_WPAWAIT[4]=30 # In case it takes long for the WPA association
# to finish, you can increase the wait time
# (defaults to 10 seconds)
OBS: o modulo da placa carrega, porem as interfaces eth0 e wlan0 nao sobem...
