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|
#!/bin/sh -x
#
# $FreeBSD$
#
# PROVIDE: network1
# REQUIRE: atm1 ipfilter mountcritlocal pccard serial sppp sysctl tty
# KEYWORD: FreeBSD
. /etc/rc.subr
name="network1"
start_cmd="network_start"
stop_cmd="network_stop"
convert_host_conf()
{
host_conf=$1; shift;
nsswitch_conf=$1; shift;
awk ' \
/^[:blank:]*#/ { next } \
/(hosts|local|file)/ { nsswitch[c] = "files"; c++; next } \
/(dns|bind)/ { nsswitch[c] = "dns"; c++; next } \
/nis/ { nsswitch[c] = "nis"; c++; next } \
{ printf "Warning: unrecognized line [%s]", $0 > "/dev/stderr" } \
END { \
printf "hosts: "; \
for (i in nsswitch) printf "%s ", nsswitch[i]; \
printf "\n"; \
}' < $host_conf > $nsswitch_conf
}
generate_host_conf()
{
nsswitch_conf=$1; shift;
host_conf=$1; shift;
awk '
BEGIN {
xlat["files"] = "hosts";
xlat["dns"] = "bind";
xlat["nis"] = "nis";
cont = 0;
}
sub(/^[\t ]*hosts:/, "") || cont {
if (!cont)
srcs = ""
sub(/#.*/, "")
gsub(/[][]/, " & ")
cont = sub(/\\$/, "")
srcs = srcs " " $0
}
END {
print "# Auto-generated from nsswitch.conf, do not edit"
ns = split(srcs, s)
for (n = 1; n <= ns; ++n) {
if (s[n] in xlat)
print xlat[s[n]]
}
}
' <$nsswitch_conf >$host_conf
}
network_gif_setup() {
case ${gif_interfaces} in
[Nn][Oo] | '')
;;
*)
for i in ${gif_interfaces}; do
eval peers=\$gifconfig_$i
case ${peers} in
'')
continue
;;
*)
ifconfig $i create >/dev/null 2>&1
ifconfig $i tunnel ${peers}
ifconfig $i up
;;
esac
done
;;
esac
}
network_start()
{
# set hostname, turn on network
#
echo -n "Doing initial network setup:"
# Generate host.conf for compatibility
#
if [ -f "/etc/nsswitch.conf" ]; then
echo -n ' host.conf'
generate_host_conf /etc/nsswitch.conf /etc/host.conf
fi
# Convert host.conf to nsswitch.conf if necessary
#
if [ -f "/etc/host.conf" -a ! -f "/etc/nsswitch.conf" ]; then
echo ''
echo 'Warning: /etc/host.conf is no longer used'
echo ' /etc/nsswitch.conf will be created for you'
convert_host_conf /etc/host.conf /etc/nsswitch.conf
fi
# Set the host name if it is not already set
#
if [ -z "`hostname -s`" ]; then
hostname ${hostname}
echo -n ' hostname'
fi
# Set the domainname if we're using NIS
#
case ${nisdomainname} in
[Nn][Oo]|'')
;;
*)
domainname ${nisdomainname}
echo -n ' domain'
;;
esac
echo '.'
# Attempt to create cloned interfaces.
for ifn in ${cloned_interfaces}; do
ifconfig ${ifn} create
done
# gifconfig
network_gif_setup
# Set up all the network interfaces, calling startup scripts if needed
#
case ${network_interfaces} in
[Aa][Uu][Tt][Oo])
network_interfaces="`ifconfig -l`"
;;
*)
network_interfaces="${network_interfaces} ${cloned_interfaces}"
;;
esac
dhcp_interfaces=""
for ifn in ${network_interfaces}; do
_up=`ifconfig ${ifn} | head -1 | grep -v LOOPBACK | grep UP,`
if [ "$_up" != "" ]; then
# Interface is already up, so ignore it.
continue;
fi
if [ -r /etc/start_if.${ifn} ]; then
. /etc/start_if.${ifn}
eval showstat_$ifn=1
fi
# Do the primary ifconfig if specified
#
eval ifconfig_args=\$ifconfig_${ifn}
case ${ifconfig_args} in
'')
;;
[Dd][Hh][Cc][Pp])
# DHCP inits are done all in one go below
dhcp_interfaces="$dhcp_interfaces $ifn"
eval showstat_$ifn=1
;;
*)
ifconfig ${ifn} ${ifconfig_args}
eval showstat_$ifn=1
;;
esac
done
if [ ! -z "${dhcp_interfaces}" ]; then
${dhcp_program:-/sbin/dhclient} ${dhcp_flags} ${dhcp_interfaces}
fi
for ifn in ${network_interfaces}; do
# Check to see if aliases need to be added
#
alias=0
while : ; do
eval ifconfig_args=\$ifconfig_${ifn}_alias${alias}
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args} alias
eval showstat_$ifn=1
alias=$((${alias} + 1))
else
break;
fi
done
# Do ipx address if specified
#
eval ifconfig_args=\$ifconfig_${ifn}_ipx
if [ -n "${ifconfig_args}" ]; then
ifconfig ${ifn} ${ifconfig_args}
eval showstat_$ifn=1
fi
done
# Display ifconfiged interfaces
for ifn in ${network_interfaces}; do
eval showstat=\$showstat_${ifn}
if [ ! -z ${showstat} ]; then
ifconfig ${ifn}
fi
done
# Resync ipfilter
/etc/rc.d/ipfilter resync
}
network_stop()
{
echo -n "Stopping network:"
# flush routes
#
echo -n " flush routes"
route -n flush
echo '.'
}
load_rc_config $name
run_rc_command "$1"
|
