# cat /etc/rc2.d/S72inetsvc --------------------------------------------------------------------------------- #!/sbin/sh # # Copyright 2004 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # #ident "@(#)inetsvc 1.31 04/03/16 SMI"
# # This is third phase of TCP/IP startup/configuration. This script # runs after the NIS/NIS+ startup script. We run things here that may # depend on NIS/NIS+ maps. #
case "$1" in 'start') ;; # Fall through -- rest of script is the initialization code
'stop') /usr/bin/pkill -x -u 0 'in.named|inetd' exit 0 ;;
*) echo "Usage: $0 { start | stop }" exit 1 ;; esac
# If boot variables are not set, set variables we use [ -z "$_INIT_UTS_NODENAME" ] && _INIT_UTS_NODENAME=`/usr/bin/uname -n`
if [ -z "$_INIT_PREV_LEVEL" ]; then set -- `/usr/bin/who -r` _INIT_PREV_LEVEL="$9" fi
# # wait_nis # Wait up to 5 seconds for ypbind to obtain a binding. # wait_nis () { for i in 1 2 3 4 5; do server=`/usr/bin/ypwhich 2>/dev/null` [ $? -eq 0 -a -n "$server" ] && return 0 || sleep 1 done return 1 }
# # We now need to reset the netmask and broadcast address for our network # interfaces. Since this may result in a name service lookup, we want to # now wait for NIS to come up if we previously started it. # domain=`/usr/bin/domainname 2>/dev/null`
[ -z "$domain" ] || [ ! -d /var/yp/binding/$domain ] || wait_nis || \ echo "WARNING: Timed out waiting for NIS to come up" >& 2
# # Re-set the netmask and broadcast addr for all IP interfaces. This ifconfig # is run here, after waiting for name services, so that "netmask +" will find # the netmask if it lives in a NIS map. The 'D' in -auD tells ifconfig NOT to # mess with the interface if it is under DHCP control # /usr/sbin/ifconfig -auD4 netmask + broadcast +
# Uncomment these lines to print complete network interface configuration # echo "network interface configuration:" # /usr/sbin/ifconfig -a
# # If this machine is configured to be an Internet Domain Name System (DNS) # server, run the name daemon. Start named prior to: route add net host, # to avoid dns gethostbyname timout delay for nameserver during boot. # if [ -f /etc/named.conf ] && [ -f /usr/sbin/in.named ]; then echo 'starting internet domain name server.' # /usr/sbin/in.named & /usr/sbin/dns.sh & fi
if [ "$_INIT_NET_STRATEGY" = "dhcp" ]; then dnsservers=`/sbin/dhcpinfo DNSserv` else dnsservers="" fi
if [ -n "$dnsservers" ]; then if [ -f /etc/resolv.conf ]; then /usr/bin/rm -f /tmp/resolv.conf.$$ /usr/bin/sed -e '/^domain/d' -e '/^nameserver/d' \ /etc/resolv.conf >/tmp/resolv.conf.$$ fi dnsdomain=`/sbin/dhcpinfo DNSdmain` if [ -n "$dnsdomain" ]; then echo "domain $dnsdomain" >>/tmp/resolv.conf.$$ fi for name in $dnsservers; do echo nameserver $name >>/tmp/resolv.conf.$$ done # # Warning: The umask is 000 during boot, which requires explicit # setting of file permission modes when we create files. # /usr/bin/mv /tmp/resolv.conf.$$ /etc/resolv.conf /usr/bin/chmod 644 /etc/resolv.conf
# Add dns to the nsswitch file, if it isn't already there. /usr/bin/rm -f /tmp/nsswitch.conf.$$ /usr/bin/awk ' $1 ~ /^hosts:/ { n = split($0, a); newl = a[1]; if ($0 !~ /dns/) { printf("#%s # Commented out by DHCP\n", $0); updated = 0; for (i = 2; i <= n; i++) { if (updated == 0 && index(a[i], "[") == 1) { newl = newl" dns"; updated++; } newl = newl" "a[i]; } if (updated == 0) { newl = newl" dns"; updated++; } if (updated != 0) newl = newl" # Added by DHCP"; else newl = $0; printf("%s\n", newl); } else printf("%s\n", $0); } $1 !~ /^hosts:/ { printf("%s\n", $0); }' /etc/nsswitch.conf \ >/tmp/nsswitch.conf.$$
/usr/bin/mv /tmp/nsswitch.conf.$$ /etc/nsswitch.conf /usr/bin/chmod 644 /etc/nsswitch.conf
elif grep '# Added by DHCP$' /etc/nsswitch.conf >/dev/null 2>&1; then
# If we added DNS to a hosts line in the nsswitch, remove it. /usr/bin/rm -f /tmp/nsswitch.conf.$$ /usr/bin/sed \ -e '/# Added by DHCP$/d' \ -e 's/^\(#hosts:\)\(.*[^#]\)\(#.*\)$/hosts: \2/' \ /etc/nsswitch.conf >/tmp/nsswitch.conf.$$
/usr/bin/mv /tmp/nsswitch.conf.$$ /etc/nsswitch.conf /usr/bin/chmod 644 /etc/nsswitch.conf fi
if [ "$_INIT_NET_STRATEGY" = "dhcp" ]; then
hostname=`/usr/bin/uname -n`
ipaddr=`/sbin/dhcpinfo Yiaddr`
/usr/bin/rm -f /tmp/hosts.$$ /tmp/hosts_clear.$$
# Delete any old lines added by dhcp. /usr/bin/sed -e '/# Added by DHCP$/d' /etc/inet/hosts \ > /tmp/hosts_clear.$$
shift $# # Clear $0-9 first in case grep fails set -- `/usr/bin/grep "^[ ]*$ipaddr[ ]" \ /tmp/hosts_clear.$$ 2>/dev/null`
if [ $# -gt 0 ]; then # # IP address is already in the hosts file. Ensure the # associated hostname is the same as the Hostname # property returned by the DHCP server. # /usr/bin/sed -e "/^[ ]*${ipaddr}[ ]/s/${2}/${hostname}/" \ /tmp/hosts_clear.$$ >/tmp/hosts.$$ else # # IP address is missing from the hosts file. Now check # to see if the hostname is present with a different IP. # shift $# # Clear $0-9 in case grep fails set -- `/usr/bin/grep -s -v '^#' /tmp/hosts_clear.$$ | \ /usr/bin/egrep "[ ]${hostname}([ ]|$)"`
if [ $# -gt 0 ]; then # # Hostname is present in the hosts file. Rewrite this # line to have the new IP address and the DHCP comment. # /usr/bin/sed -e "/^[ ]*${1}[ ]/d" \ /tmp/hosts_clear.$$ >/tmp/hosts.$$
shift # Shift off $1 (the old IP)
echo "$ipaddr $*\c" | /usr/bin/tr ' ' '\t' \ >>/tmp/hosts.$$
echo "\t# Added by DHCP" >>/tmp/hosts.$$ else # # Hostname is not present in the hosts file. # Add a new line for the host at the end of # the new hosts file. # /usr/bin/mv /tmp/hosts_clear.$$ /tmp/hosts.$$ echo "${ipaddr}\t${hostname}\t# Added by DHCP" \ >>/tmp/hosts.$$ fi fi
# Update loopback transport hosts files for inet in /etc/net/*/hosts; do echo "# RPC hosts" > $inet echo "$hostname\t$hostname" >> $inet /usr/bin/chmod 644 $inet done
/usr/bin/rm -f /tmp/hosts_clear.$$ /usr/bin/mv /tmp/hosts.$$ /etc/inet/hosts /usr/bin/chmod 644 /etc/inet/hosts fi
# # Load the IPQoS configuration. # This is backgrounded so that any remote hostname lookups it performs # don't unduely delay startup. Any messages go via syslog. #
if [ -f /usr/sbin/ipqosconf -a -f /etc/inet/ipqosinit.conf ]; then /usr/sbin/ipqosconf -s -a /etc/inet/ipqosinit.conf & fi
# # Add a static route for multicast packets out our default interface. # The default interface is the interface that corresponds to the node name. # Run in background subshell to avoid waiting for name service. #
( if [ "$_INIT_NET_STRATEGY" = "dhcp" ]; then mcastif=`/sbin/dhcpinfo Yiaddr` || mcastif=$_INIT_UTS_NODENAME else mcastif=$_INIT_UTS_NODENAME fi
echo "Setting default IPv4 interface for multicast:" \ "add net 224.0/4: gateway $mcastif"
/usr/sbin/route -n add -interface 224.0/4 -gateway "$mcastif" >/dev/null ) &
# # Remove the _INIT_ environment variables before running inetd. # unset `env | sed -n 's/^\(_INIT_.*\)=.*/\1/p'` # # Run inetd in "standalone" mode (-s flag) so that it doesn't have # to submit to the will of SAF. Why did we ever let them change inetd? # /usr/sbin/inetd -s --------------------------------------------------------------------------------- |