----------------------------------------------------- 完整的/etc/init.d/inetsvc文件: # more /etc/init.d/inetsvc #!/sbin/sh # # Copyright (c) 1995, 1997-1999 by Sun Microsystems, Inc. # All rights reserved. # #ident "@(#)inetsvc 1.24 99/03/21 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 "$1" in 'start') ;; # Fall through -- rest of script is the initialization code
# If boot variables are not set, set variables we use [ -z "$_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 /usr/sbin/in.named -a -f /etc/named.conf ]; then echo 'starting internet domain name server.' /usr/sbin/in.named & fi
if [ "$_INIT_NET_STRATEGY" = "dhcp" ]; then dnsdomain=`/sbin/dhcpinfo DNSdmain` else dnsdomain= fi
if [ -n "$dnsdomain" ]; then dnsservers=`/sbin/dhcpinfo DNSserv` 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 echo "domain $dnsdomain" >>/tmp/resolv.conf.$$ for name in $dnsservers; do echo nameserver $name >>/tmp/resolv.conf.$$ done else if [ -f /etc/resolv.conf ]; then /usr/bin/rm -f /tmp/resolv.conf.$$ /usr/bin/sed -e '/^domain/d' /etc/resolv.conf \ >/tmp/resolv.conf.$$ fi echo "domain $dnsdomain" >>/tmp/resolv.conf.$$ fi
# # Warning: The umask is 000 during boot, which requires explicit # setting of file permission modes when we create files. # /usr/bin/mv /tmp/resolv.conf.$$ /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.$$ /usr/bin/awk ' $1 ~ /^hosts:/ { n = split($0, a); newl = a[1]; if ($0 !~ /dns/) { printf("#%s # Commented out by DHCP\n", $0); updated = 0; for (i = 2; i <= n; i++) { if (updated == 0 && index(a, "[") == 1) { newl = newl" dns"; updated++; } newl = newl""a; } if (updated == 0) { newl = newl" dns"; updated++; } if (updated != 0) newl = newl" # Added by DHCP"; else newl = $0; printf("%s\n", newl); } else printf("%s\n", $0); } $1 !~ /^hosts:/ { printf("%s\n", $0); }' /etc/nsswitch.conf \ >/tmp/nsswitch.conf.$$
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 [ "$_INIT_NET_STRATEGY" = "dhcp" ]; then # # if DHCP doesn't return a hostname, use "unknown" so # client can resolve IP address into a local hostname. # hostname=`/sbin/dhcpinfo Hostname` if [ -z "$hostname" ]; then hostname="unknown" fi
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.$$
echo "\t# Added by DHCP" >>/tmp/hosts.$$ 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
# # 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"
# # 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 & /usr/local/sbin/xinetd -s &
完整的/etc/xinetd.conf文件: # more /etc/xinetd.conf # This file generated by xconv.pl, included with the xinetd # package. xconv.pl was written by Rob Braun (bbraun@synack.net) # # The file is merely a translation of your inetd.conf file into # the equivalent in xinetd.conf syntax. xinetd has many # features that may not be taken advantage of with this translation. # Please refer to the xinetd.conf man page for more information # on how to properly configure xinetd.
# The defaults section sets some information for all services defaults { #The maximum number of requests a particular service may handle # at once. instances = 25
# The type of logging. This logs to a file that is specified. # Another option is: SYSLOG syslog_facility [syslog_level] log_type = FILE /var/log/servicelog
# What to log when the connection succeeds. # PID logs the pid of the server processing the request. # HOST logs the remote host's ip address. # USERID logs the remote user (using RFC 1413) # EXIT logs the exit status of the server. # DURATION logs the duration of the session. log_on_success = HOST PID
# What to log when the connection fails. Same options as above log_on_failure = HOST RECORD
# The maximum number of connections a specific IP address can # have to a specific service. per_source = 5 }
#service ftp { flags = NAMEINARGS socket_type = stream protocol = tcp wait = no user = root server = /usr/local/bin/tcpd server_args = in.ftpd }
#service telnet { flags = NAMEINARGS socket_type = stream protocol = tcp wait = no user = root server = /usr/local/bin/tcpd server_args = in.telnetd
}
service ssh { socket_type = stream wait = no user = root server = /usr/local/sbin/sshd port = 22 server_args = -i only_from = 192.0.0.109 }