<br />
<b>Deprecated</b>:  The each() function is deprecated. This message will be suppressed on further calls in <b>/home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php</b> on line <b>456</b><br />
#!/bin/bash --
## Build chrooted ntpd environment.
## Written by Stray Penguin (http://www.asahi-net.or.jp/~aa4t-nngk/)
## Ver.1.0.1

## Setting variables.

# Directory to chroot to.
chroot_base=/var/chroot/ntpd

# Name of the MD5 key file. Older versions called it `ntp.keys'.
keyfile="keys"

# User and group to run ntpd as.
ntp_user=ntp
ntp_group=ntp

# Key generate utility path.
NTPKEYGEN=/usr/sbin/ntp-keygen

#-- Only for newer NTP which has /etc/ntp/crypto directory --
# Key passwords
gen_passwd=secret
read_passwd=${gen_passwd}


## Procedure.

function is_link () {
  file $1 |grep -Eq "symbolic .*${chroot_base}"
  return $?
}


if [ ! "$(id -u)" = "0" ]; then
  echo "You must become root before run me. exitting.." >&2
  exit 1
fi

# Internal variables (You need not change these).
MYHOST=$(/bin/hostname)
HAVE_CRYPTO=0
ENCRYPTO=0
KEYSTORE="etc/ntp"
NTP_OWNER=${ntp_user}':'${ntp_group}

if [ -z "$ntp_user" ]; then
  echo "ntp_user not set. I don't like it. exitting.." >&2
  exit 1
fi

if [ -n "$gen_passwd" ]; then
  if [ -z "$read_passwd" ]; then
    echo "read_passwd not set. I don't like it. exitting.." >&2
    exit 1
  fi
  ENCRYPTO=1
  KEYGENOPT="-p ${gen_passwd} -q ${read_passwd}"
fi

if [ -d /etc/ntp/crypto -a $ENCRYPTO -eq 1 ]; then
  KEYSTORE="${KEYSTORE}/crypto"
  HAVE_CRYPTO=1
fi

# Construct the jail directory structure.
mkdir -p $chroot_base
cd $chroot_base

mkdir -p etc/ntp var/lib/ntp var/run dev
if [ ${HAVE_CRYPTO} -eq 1 ]; then
  mkdir -p etc/crypto
  chown root:${ntp_group} etc/crypto
  chmod 750 etc/crypto
fi

chown ${NTP_OWNER} var/lib/ntp

# Copy files.
cp -pf /etc/localtime ${chroot_base}/etc
is_link /etc/ntp.conf
if [ $? -ne 0 ]; then
  cp -p /etc/ntp.conf{,.bak}
  cp -pf /etc/ntp.conf ${chroot_base}/etc
fi

# Generate key files and make symlinks.
cd ${chroot_base}/$KEYSTORE
rm -f ntpkey_* $keyfile

if [ ${HAVE_CRYPTO} -eq 1 ]; then
  echo "crypto pw ${read_passwd}" >${chroot_base}/${KEYSTORE}/pw
  chmod 600 ${chroot_base}/${KEYSTORE}/pw

  $NTPKEYGEN -M $KEYGENOPT
  chmod 600 ntpkey_MD5key_${MYHOST}.* ntpkey_RSAkey_${MYHOST}.*
  cd ${chroot_base}/etc/ntp
  ln -sf crypto/ntpkey_MD5_${MYHOST} $keyfile
else
  $NTPKEYGEN -M
  chmod 600 ntpkey_MD5key_${MYHOST}.*
  cd ${chroot_base}/etc/ntp
  ln -s ntpkey_MD5_${MYHOST} $keyfile
fi

cd /etc/ntp

if [ -f $keyfile ]; then
  is_link $keyfile || cp -p ${keyfile}{,.bak}
fi
ln -sf ${chroot_base}/etc/ntp/$keyfile

cd /$KEYSTORE
ln -sf ${chroot_base}/${KEYSTORE}/ntpkey_MD5_${MYHOST}
ln -sf ${chroot_base}/${KEYSTORE}/ntpkey_host_${MYHOST}
ln -sf ${chroot_base}/${KEYSTORE}/ntpkey_cert_${MYHOST}
if [ -f pw ]; then
  is_link pw || cp -p pw{,.bak}
fi
if [ ${HAVE_CRYPTO} -eq 1 ]; then
  ln -sf ${chroot_base}/${KEYSTORE}/pw
fi

cd /etc
ln -sf ${chroot_base}/etc/ntp.conf

exit