>Проблема по поводу статьи "Интеграция DHCP сервера под управлением FreeBSD" (http://www.opennet.dev/openforum/vsluhforumID3/36102.html#1) Как
>и отметился в комментах, нет в пакете shell файла isc-dhcpd.sh. Может
>дадите его содержимое или сам файл? Спс. за внимание!
#! /bin/sh
#
# $FreeBSD: ports/net/isc-dhcp3-server/files/isc-dhcpd.sh.sample,v 1.15 2006/02/20 20:47:25 dougb Exp $
#
# PROVIDE: dhcpd
# REQUIRE: DAEMON
# BEFORE: LOGIN
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable dhcpd:
#
# dhcpd_enable="YES"
#
. /etc/rc.subr
name=dhcpd
paranoia=YES # compiled in paranoia?
jail=YES # compiled in jail?
load_rc_config $name
# override these variables in /etc/rc.conf
dhcpd_enable=${dhcpd_enable:-"NO"}
dhcpd_flags=${dhcpd_flags:-} # -q -early_chroot # command option(s)
dhcpd_conf=${dhcpd_conf:-/usr/local/etc/${name}.conf} # configuration file
dhcpd_ifaces=${dhcpd_ifaces:-} # ethernet interface(s)
dhcpd_withumask=${dhcpd_withumask:-022} # file creation mask
dhcpd_chuser_enable=${dhcpd_chuser_enable:-"YES"} # runs w/o privileges?
dhcpd_withuser=${dhcpd_withuser:-${name}} # user name to run as
dhcpd_withgroup=${dhcpd_withgroup:-${name}} # group name to run as
dhcpd_chroot_enable=${dhcpd_chroot_enable:-"NO"} # runs chrooted?
dhcpd_devfs_enable=${dhcpd_devfs_enable:-"YES"} # devfs if available?
dhcpd_makedev_enable=${dhcpd_makedev_enable:-"NO"} # MAKEDEV instead of devfs?
dhcpd_rootdir=${dhcpd_rootdir:-/var/db/${name}} # directory to run in
dhcpd_includedir=${dhcpd_includedir:-} # directory for included config files
# untested
dhcpd_jail_enable=${dhcpd_jail_enable:-"NO"} # runs imprisoned?
dhcpd_hostname=${dhcpd_hostname:-} # jail hostname
dhcpd_ipaddress=${dhcpd_ipaddress:-} # jail ip address
safe_run () # rc command [args...]
{
local _rc
_rc=$1
shift
if [ "${_rc}" -eq 0 ]; then
debug safe_run: "$@"
"$@" || _rc=1
else
warn safe_run: "$@"
fi
return ${_rc}
}
precious () # entry...
{
local _entry _rc
_rc=0
for _entry; do
# do nothing if /dev, /var/run or /var/db
echo ${_entry} | egrep -q '^//*(dev|var//*(run|db))?/*$' || _rc=1
done
debug precious: "$@" rc=${_rc}
return ${_rc}
}
lsmod () # user group file...
{
local _entry _user _group _rc
_user=$1 _group=$2
shift 2
_rc=0
for _entry; do
ls -ld ${_entry} 2> /dev/null |
awk -v u=${_user} -v g=${_group} '{
exit ((u && $3 != u) || (g && $4 != g))
}' || _rc=1
done
debug lsmod: "$@" rc=${_rc}
return ${_rc}
}
safe_chmog () # entry...
{
local _entry _user _group _usergroup _rc
_user=${dhcpd_withuser}
_group=${dhcpd_withgroup}
_rc=0
if [ -n "${_user}" -o -n "${_group}" ]; then
_usergroup=${_user}${_group:+:${_group}}
for _entry; do
if [ -d ${_entry} ] && mounted ${_entry}; then
continue
fi
if [ -e ${_entry} ] &&
! precious ${_entry} &&
! lsmod ${_user} ${_group} ${_entry} &&
! safe_run ${_rc} chown ${_usergroup} ${_entry}; then
warn "unable to change permissions of ${_entry}"
_rc=1
fi
done
fi
return ${_rc}
}
safe_mkdir () # dir...
{
local _dir _rc
_rc=0
for _dir; do
if [ ! -d ${_dir} ] &&
! precious ${_dir} &&
! safe_run ${_rc} mkdir -p ${_dir}; then
err 1 "unable to create directory ${_dir}"
_rc=1
fi
done
safe_run ${_rc} safe_chmog "$@" || _rc=1
return ${_rc}
}
safe_rmdir () # dir...
{
local _dir _rc
_rc=0
for _dir; do
if [ -d ${_dir} ] &&
! precious ${_dir} &&
! mounted ${_dir}; then
if safe_run ${_rc} rmdir ${_dir}; then
safe_run ${_rc} safe_rmdir ${_dir%/*} || _rc=1
else
warn "unable to remove directory ${_dir}"
_rc=1
fi
fi
done
return ${_rc}
}
safe_touch () # file...
{
local _file _rc
_rc=0
for _file; do
if [ ! -e ${_file} ] &&
! safe_run ${_rc} touch ${_file}; then
err 1 "unable to create file ${_file}"
_rc=1
fi
done
safe_run ${_rc} safe_chmog "$@" || _rc=1
return ${_rc}
}
safe_remove () # entry...
{
local _entry _rc
_rc=0
for _entry; do
if [ -f ${_entry} ]; then
if ! safe_run ${_rc} rm -f ${_entry}; then
warn "unable to remove file ${_entry}"
_rc=1
fi
elif [ -d ${_entry} ] &&
! precious ${_entry} &&
! mounted ${_entry}; then
if ! safe_run ${_rc} rm -rf ${_entry}; then
warn "unable to remove directory ${_entry}"
_rc=1
fi
fi
done
return ${_rc}
}
safe_copy () # src dst
{
local _src _dst _rc
_src=$1 _dst=$2
_rc=0
if [ -f ${_src} ]; then
if ! safe_run ${_rc} safe_remove ${_dst} ||
! safe_run ${_rc} cp -p ${_src} ${_dst}; then
err 1 "unable to copy file ${_src} to ${_dst}"
_rc=1
fi
safe_run ${_rc} safe_chmog ${_dst} || _rc=1
elif [ -d ${_src} ] &&
! precious ${_dst} &&
! mounted ${_dst}; then
if ! safe_run ${_rc} pax -rw -pe -ts "|^${_src}||" \
${_src} ${_dst}; then
err 1 "unable to copy directory ${_src} to ${_dst}"
_rc=1
fi
else
err 1 "unable to copy ${_src} to ${_dst}" \
"-- not a file or a directory"
_rc=1
fi
return ${_rc}
}
mounted () # dir...
{
local _rc
_rc=1
if checkyesno dhcpd_devfs_enable ||
checkyesno dhcpd_jail_enable; then
mount -t devfs | awk '
BEGIN { n = ARGC; ARGC = 2 }
{ for (i = 2; i != n; i++) if ($3 == ARGV[i]) exit 1 }
' - "$@" || _rc=0
fi
debug mounted: "$@" rc=${_rc}
return ${_rc}
}
safe_mount () # dir
{
local _dir _rc
_dir=$1
_rc=0
if checkyesno dhcpd_devfs_enable &&
! mounted ${_dir} &&
! safe_run ${_rc} mount -t devfs devfs ${_dir}; then
err 1 "unable to mount ${_dir}"
_rc=1
fi
return ${_rc}
}
safe_umount () # dir
{
local _dir _rc
_dir=$1
_rc=0
if checkyesno dhcpd_devfs_enable &&
mounted ${_dir} &&
! safe_run ${_rc} umount ${_dir}; then
warn "unable to unmount ${_dir}"
_rc=1
fi
return ${_rc}
}
safe_useradd ()
{
local _user _group _home _shell _gecos
_user=$1 _group=$2 _gecos=${3:-"& daemon"}
_home=${4:-/nonexistent} _shell=${5:-/usr/sbin/nologin}
if [ -n "${_group}" ]; then
if pw group show ${_group} 2>/dev/null; then
echo "You already have a group \"${_group}\"," \
"so I will use it."
elif pw groupadd ${_group} -h -; then
echo "Added group \"${_group}\"."
else
echo "Adding group \"${_group}\" failed..."
echo "Please create it, and try again."
exit 1
fi
fi
if [ -n "${_user}" ]; then
if pw user show ${_user} 2>/dev/null; then
echo "You already have a user \"${_user}\"," \
"so I will use it."
elif pw useradd ${_user} -g ${_group} -h - \
-d ${_home} -s ${_shell} -c "${_gecos}"; then
echo "Added user \"${_user}\"."
else
echo "Adding user \"${_user}\" failed..."
echo "Please create it, and try again."
exit 1
fi
fi
}
check_chuser ()
{
if checkyesno paranoia; then
if checkyesno dhcpd_chuser_enable &&
[ -z "${dhcpd_withuser}" -a -z "${dhcpd_withgroup}" ]; then
err 1 "one of dhcpd_withuser and dhcpd_withgroup" \
"must be set if dhcpd_chuser_enable is enabled"
fi
else
if checkyesno dhcpd_chuser_enable; then
warn "dhcpd_chuser_enable disabled -- not compiled in"
dhcpd_chuser_enable=NO
fi
fi
}
check_jail ()
{
if checkyesno paranoia && checkyesno jail; then
if checkyesno dhcpd_jail_enable &&
! checkyesno dhcpd_chroot_enable; then
warn "dhcpd_chroot_enable implied by dhcpd_jail_enable"
dhcpd_chroot_enable=YES
fi
if checkyesno dhcpd_jail_enable &&
[ -n "${dhcpd_hostname}" -a -z "${dhcpd_ipaddress}" ] ||
[ -z "${dhcpd_hostname}" -a -n "${dhcpd_ipaddress}" ]; then
err 1 "both dhcpd_hostname and dhcpd_ipaddress" \
"must be set if dhcpd_jail_enable is enabled"
fi
else
if checkyesno dhcpd_jail_enable; then
warn "dhcpd_jail_enable disabled -- not compiled in"
dhcpd_jail_enable=NO
fi
fi
}
check_chroot ()
{
if checkyesno paranoia; then
if checkyesno dhcpd_chroot_enable; then
if [ -z "${dhcpd_rootdir}" ]; then
err 1 "dhcpd_rootdir must be set" \
"if dhcpd_chroot_enable is enabled"
fi
if checkyesno dhcpd_devfs_enable &&
checkyesno dhcpd_makedev_enable; then
err 1 "dhcpd_devfs_enable and dhcpd_makedev_enable" \
"are mutually exclusive. enable only one!"
fi
if checkyesno dhcpd_devfs_enable &&
! ( type mount_devfs ) > /dev/null 2>&1; then
warn "dhcpd_devfs_enable disabled" \
"-- not available"
dhcpd_devfs_enable=NO
fi
if checkyesno dhcpd_makedev_enable &&
! [ -x ${__dhcpd_devdir}/MAKEDEV ]; then
warn "dhcpd_makedev_enable disabled" \
"-- not available"
dhcpd_makedev_enable=NO
fi
else
dhcpd_devfs_enable=NO
dhcpd_makedev_enable=NO
fi
else
if checkyesno dhcpd_chroot_enable; then
warn "dhcpd_chroot_enable disabled -- not compiled in"
dhcpd_chroot_enable=NO
fi
dhcpd_devfs_enable=NO
dhcpd_makedev_enable=NO
fi
}
rcvar_chuser ()
{
if checkyesno paranoia && checkyesno dhcpd_chuser_enable; then
dhcpd_piddir=${__dhcpd_piddir}/${name}
dhcpd_leasesdir=${__dhcpd_leasesdir}/${name}
else
dhcpd_withuser= dhcpd_withgroup=
fi
}
rcvar_jail ()
{
if ! checkyesno paranoia || ! checkyesno jail ||
! checkyesno dhcpd_jail_enable; then
dhcpd_hostname= dhcpd_ipaddress=
fi
}
rcvar_chroot ()
{
if ! checkyesno paranoia || ! checkyesno dhcpd_chroot_enable; then
dhcpd_rootdir=
elif checkyesno paranoia && checkyesno dhcpd_chroot_enable; then
dhcpd_devdir=${__dhcpd_devdir}
dhcpd_etcdir=${__dhcpd_etcdir}
fi
}
rcvar_pidnleases ()
{
if ! checkyesno dhcpd_chuser_enable; then
dhcpd_piddir=${__dhcpd_piddir}
dhcpd_leasesdir=${__dhcpd_leasesdir}
fi
dhcpd_pidfile=${dhcpd_piddir}/${name}.pid
dhcpd_leasesfile=${dhcpd_leasesdir}/${name}.leases
dhcpd_conffile=${dhcpd_conf} # for convenience only
dhcpd_confdir=$(dirname ${dhcpd_conffile})
}
rcvar_rooted ()
{
_dhcpd_rootdir=${dhcpd_rootdir}
_dhcpd_devdir=${dhcpd_rootdir}${dhcpd_devdir}
_dhcpd_etcdir=${dhcpd_rootdir}${dhcpd_etcdir}
_dhcpd_confdir=${dhcpd_rootdir}${dhcpd_confdir}
_dhcpd_includedir=${dhcpd_rootdir}${dhcpd_includedir}
_dhcpd_piddir=${dhcpd_rootdir}${dhcpd_piddir}
_dhcpd_leasesdir=${dhcpd_rootdir}${dhcpd_leasesdir}
_dhcpd_conffile=${dhcpd_rootdir}${dhcpd_conffile}
_dhcpd_pidfile=${dhcpd_rootdir}${dhcpd_pidfile}
_dhcpd_leasesfile=${dhcpd_rootdir}${dhcpd_leasesfile}
}
setup_compat ()
{
local dhcpd_rcconf
# suck in old configuration file and variables
#
dhcpd_rcconf=${dhcpd_confdir}/rc.isc-dhcpd.conf
if [ -f ${dhcpd_rcconf} ]; then
warn "${dhcpd_rcconf} is obsolete, use /etc/rc.conf and/or" \
"/etc/rc.conf.d/${name} instead."
. ${dhcpd_rcconf}
if [ -n "${dhcpd_options}" -a -z "${rc_flags}" ]; then
warn "dhcpd_options is obsolete," \
"use dhcpd_flags instead."
rc_flags=${dhcpd_options}
fi
fi
}
setup_umask ()
{
if [ -n "${dhcpd_withumask}" ]; then
umask ${dhcpd_withumask}
fi
}
setup_chroot ()
{
local _mdev _hconf _hosts _ltime _rconf
_mdev=MAKEDEV
_hconf=host.conf
_hosts=hosts
_ltime=localtime
_rconf=resolv.conf
if checkyesno paranoia && checkyesno dhcpd_chroot_enable; then
if ! mounted ${_dhcpd_devdir}; then
safe_mkdir ${_dhcpd_devdir}/_
# XXX /_ hack! so, .../dev is root owned.
fi
safe_mkdir ${_dhcpd_rootdir} ${_dhcpd_etcdir}/_ ${_dhcpd_confdir}
# XXX /_ hack! so, .../etc is root owned.
if checkyesno dhcpd_devfs_enable; then
safe_mount ${_dhcpd_devdir}
elif checkyesno dhcpd_makedev_enable; then
safe_copy ${dhcpd_devdir}/$_mdev ${_dhcpd_devdir}/$_mdev
safe_run 0 sh -c "cd ${_dhcpd_devdir} && ./$_mdev jail bpf4"
else
safe_copy ${dhcpd_devdir} ${_dhcpd_devdir}
fi
safe_copy ${dhcpd_conffile} ${_dhcpd_conffile}
safe_copy ${dhcpd_etcdir}/$_hconf ${_dhcpd_etcdir}/$_hconf
safe_copy ${dhcpd_etcdir}/$_hosts ${_dhcpd_etcdir}/$_hosts
safe_copy ${dhcpd_etcdir}/$_ltime ${_dhcpd_etcdir}/$_ltime
safe_copy ${dhcpd_etcdir}/$_rconf ${_dhcpd_etcdir}/$_rconf
# copy dhcpd_includedir if defined and available
if [ -d "${dhcpd_includedir}" ]; then
safe_mkdir ${_dhcpd_includedir}
safe_copy ${dhcpd_includedir} ${_dhcpd_includedir}
fi
fi
}
setup_chuser ()
{
if checkyesno paranoia && {
checkyesno dhcpd_chuser_enable || checkyesno dhcpd_chroot_enable
}; then
safe_mkdir ${_dhcpd_piddir} ${_dhcpd_leasesdir}
fi
}
setup_leases ()
{
safe_touch ${_dhcpd_leasesfile}
}
setup_flags ()
{
if [ -n "${dhcpd_conf}" ]; then
rc_flags="${rc_flags} -cf ${dhcpd_conf}"
fi
if [ -n "${dhcpd_leasesfile}" ]; then
rc_flags="${rc_flags} -lf ${dhcpd_leasesfile}"
fi
if [ -n "${dhcpd_pidfile}" ]; then
rc_flags="${rc_flags} -pf ${dhcpd_pidfile}"
fi
if [ -n "${dhcpd_withuser}" ]; then
rc_flags="${rc_flags} -user ${dhcpd_withuser}"
fi
if [ -n "${dhcpd_withgroup}" ]; then
rc_flags="${rc_flags} -group ${dhcpd_withgroup}"
fi
if [ -n "${dhcpd_rootdir}" ]; then
rc_flags="${rc_flags} -chroot ${dhcpd_rootdir}"
fi
if [ -n "${dhcpd_hostname}" -a -n "${dhcpd_ipaddress}" ]; then
rc_flags="${rc_flags} -jail ${dhcpd_hostname} ${dhcpd_ipaddress}"
fi
rc_flags="${rc_flags} ${dhcpd_ifaces}"
}
cleanup_chroot ()
{
if checkyesno paranoia && checkyesno dhcpd_chroot_enable; then
safe_umount ${_dhcpd_devdir}
fi
}
dhcpd_stop ()
{
if sh $0 forcestatus; then
sh $0 forcestop
fi
}
remove_pid ()
{
if [ -e ${_dhcpd_pidfile} ]; then
warn "${_dhcpd_pidfile} still exists! -- removing anyway"
fi
safe_remove ${_dhcpd_pidfile}
}
remove_leases ()
{
if [ -s ${_dhcpd_leasesfile} ]; then
warn "${_dhcpd_leasesfile} not empty -- not removed --" \
"futher warning messages expected, don't care."
else
safe_remove ${_dhcpd_leasesfile} ${_dhcpd_leasesfile}~
fi
}
remove_chuser ()
{
if checkyesno paranoia && {
checkyesno dhcpd_chuser_enable || checkyesno dhcpd_chroot_enable
}; then
safe_rmdir ${_dhcpd_piddir} ${_dhcpd_leasesdir}
fi
}
remove_chroot ()
{
if checkyesno paranoia && checkyesno dhcpd_chroot_enable; then
safe_remove ${_dhcpd_conffile} ${_dhcpd_includedir} \
${_dhcpd_etcdir}
if checkyesno dhcpd_devfs_enable; then
safe_umount ${_dhcpd_devdir}
safe_rmdir ${_dhcpd_devdir}/_ # XXX /_ hack!
elif checkyesno dhcpd_jail_enable; then
if ! mounted ${_dhcpd_devdir}; then
safe_remove ${_dhcpd_devdir}
fi
else
safe_remove ${_dhcpd_devdir}
fi
safe_rmdir ${_dhcpd_confdir} ${_dhcpd_rootdir} # XXX /_ hack!
fi
}
dhcpd_check ()
{
check_chuser
check_jail
check_chroot
}
dhcpd_rcvar ()
{
rcvar_chuser
rcvar_jail
rcvar_chroot
rcvar_pidnleases
rcvar_rooted
}
dhcpd_precmd ()
{
setup_compat
setup_umask
setup_chroot
setup_chuser
setup_leases
setup_flags
}
dhcpd_postcmd ()
{
cleanup_chroot
}
dhcpd_install ()
{
if checkyesno paranoia; then
safe_useradd "${dhcpd_withuser}" "${dhcpd_withgroup}" \
"DHCP Daemon"
fi
}
_dhcpd_uninstall () # user group root
{
local _user _group _root
_user=$1 _group=$2 _root=$3
if [ -n "${_user}" -o -n "${_group}" ]; then
dhcpd_chuser_enable=YES
dhcpd_withuser=${_user}
dhcpd_withgroup=${_group}
else
dhcpd_chuser_enable=NO
fi
if [ -n "${_root}" ]; then
dhcpd_chroot_enable=YES
dhcpd_rootdir=${_root}
else
dhcpd_chroot_enable=NO
fi
dhcpd_check
dhcpd_rcvar
dhcpd_uninstall
}
dhcpd_uninstall ()
{
if checkyesno __dhcpd_uninstall; then
dhcpd_stop
remove_pid
remove_leases
remove_chuser
remove_chroot
else
local _user _group _root
__dhcpd_uninstall=YES
_user=${dhcpd_withuser}
_group=${dhcpd_withgroup}
_root=${dhcpd_rootdir}
_dhcpd_uninstall "" "" ""
if checkyesno paranoia; then
if [ -n "${_user}" -o -n "${_group}" ]; then
_dhcpd_uninstall "${_user}" "${_group}" ""
fi
if [ -n "${_root}" ]; then
_dhcpd_uninstall "" "" "${_root}"
fi
if [ -n "${_user}" -o -n "${_group}" ] &&
[ -n "${_root}" ]; then
_dhcpd_uninstall "${_user}" "${_group}" "${_root}"
fi
fi
fi
}
rcvar=$(set_rcvar)
load_rc_config ${name}
__dhcpd_uninstall="NO" # internal use only
__dhcpd_devdir=/dev # devices directory
__dhcpd_etcdir=/etc # etc directory
__dhcpd_piddir=/var/run # pid file directory
__dhcpd_leasesdir=/var/db # leases file directory
#__dhcpd_rootdir=/var/db/${name} # root directory
dhcpd_check
dhcpd_rcvar
command=/usr/local/sbin/${name}
pidfile=${_dhcpd_pidfile}
required_files=${dhcpd_conf}
start_precmd=${name}_precmd
stop_postcmd=${name}_postcmd
install_cmd=dhcpd_install
uninstall_cmd=dhcpd_uninstall
extra_commands="install uninstall"
run_rc_command "$1"
Вариант для распечатки
WEB технологии (Public)
(ok) on 26-Апр-07, 20:55 
