syslog-ng-config

syslog-ng日志服务器源码

#!/bin/sh
#
# syslog-ng-config, Copyright 2005, 2006 Corinna Vinschen
#
# This file is part of the Cygwin port of syslog-ng.

# set -x

# Subdirectory where the new package is being installed
PREFIX=/usr

# Directory where the config files are stored
SYSCONFDIR=/etc
DEVDIR=/dev
LOGDIR=/var/log
RUNDIR=/var/run

progname=$0
auto_answer=""

request()
{
  if [ "${auto_answer}" = "yes" ]
  then
    return 0
  elif [ "${auto_answer}" = "no" ]
  then
    return 1
  fi

  answer=""
  while [ "X${answer}" != "Xyes" -a "X${answer}" != "Xno" ]
  do
    echo -n "$1 (yes/no) "
    read answer
  done
  if [ "X${answer}" = "Xyes" ]
  then
    return 0
  else
    return 1
  fi
}

# Check options

while :
do
  case $# in
  0)
    break
    ;;
  esac

  option=$1
  shift

  case "$option" in
  -d | --debug )
    set -x
    ;;

  -y | --yes )
    auto_answer=yes
    ;;

  -n | --no )
    auto_answer=no
    ;;
  *)
    echo "usage: ${progname} [OPTION]..."
    echo
    echo "This script creates a basic syslog-ng configuration."
    echo
    echo "Options:"
    echo "    --debug  -d     Enable shell's debug output."
    echo "    --yes    -y     Answer all questions with \"yes\" automatically."
    echo "    --no     -n     Answer all questions with \"no\" automatically."
    echo
    exit 1
    ;;

  esac
done

# Check for ${SYSCONFDIR} directory

if [ -e "${SYSCONFDIR}" -a ! -d "${SYSCONFDIR}" ]
then
  echo
  echo "${SYSCONFDIR} is existant but not a directory."
  echo "Cannot create global configuration files."
  echo
  exit 1
fi

# Create it if necessary

if [ ! -e "${SYSCONFDIR}" ]
then
  mkdir "${SYSCONFDIR}"
  if [ ! -e "${SYSCONFDIR}" ]
  then
    echo
    echo "Creating ${SYSCONFDIR} directory failed."
    echo
    exit 1
  fi
fi
setfacl -m u:system:rwx "${SYSCONFDIR}"

# Check for ${DEVDIR} directory

if [ -e "${DEVDIR}" -a ! -d "${DEVDIR}" ]
then
  echo
  echo "${DEVDIR} is existant but not a directory."
  echo "syslogging using syslog-ng will not work."
  echo
  exit 1
fi

# Create it if necessary

if [ ! -e "${DEVDIR}" ]
then
  mkdir "${DEVDIR}"
  if [ ! -e "${DEVDIR}" ]
  then
    echo
    echo "Creating ${DEVDIR} directory failed."
    echo
    exit 1
  fi
fi
setfacl -m u:system:rwx "${DEVDIR}"

# Check for ${LOGDIR} directory

if [ -e "${LOGDIR}" -a ! -d "${LOGDIR}" ]
then
  echo
  echo "${LOGDIR} is existant but not a directory."
  echo "syslogging using syslog-ng will not work."
  echo
  exit 1
fi

# Create it if necessary

if [ ! -e "${LOGDIR}" ]
then
  mkdir -p "${LOGDIR}"
  if [ ! -e "${LOGDIR}" ]
  then
    echo
    echo "Creating ${LOGDIR} directory failed."
    echo
    exit 1
  fi
fi
setfacl -m u:system:rwx "${LOGDIR}"

# Check for ${RUNDIR} directory

if [ -e "${RUNDIR}" -a ! -d "${RUNDIR}" ]
then
  echo
  echo "${RUNDIR} is existant but not a directory."
  echo "syslogging using syslog-ng will not work."
  echo
  exit 1
fi

# Create it if necessary

if [ ! -e "${RUNDIR}" ]
then
  mkdir -p "${RUNDIR}"
  if [ ! -e "${RUNDIR}" ]
  then
    echo
    echo "Creating ${RUNDIR} directory failed."
    echo
    exit 1
  fi
fi
setfacl -m u:system:rwx "${RUNDIR}"

# Check if syslog-ng.conf exists. If yes, ask for overwriting

if [ -f "${SYSCONFDIR}/syslog-ng.conf" ]
then
  if request "Overwrite existing ${SYSCONFDIR}/syslog-ng.conf file?"
  then
    rm -f "${SYSCONFDIR}/syslog-ng.conf"
    if [ -f "${SYSCONFDIR}/syslog-ng.conf" ]
    then
      echo "Can't overwrite. ${SYSCONFDIR}/syslog-ng.conf is write protected."
    fi
  fi
fi

if [ ! -f "${SYSCONFDIR}/syslog-ng.conf" ]
then
  echo "Creating default ${SYSCONFDIR}/syslog-ng.conf file"
  cat > ${SYSCONFDIR}/syslog-ng.conf << EOF
options {
  keep_hostname(yes);
  chain_hostnames(no);
  owner("system");
  group("root");
  perm(0664);
  sync(0);
};

source applications {
  unix-dgram("/dev/log");
  internal();
};

source kernel {
  file("/dev/kmsg", log_prefix("kernel: "));
};

destination messages {
  file("/var/log/messages");
};

log {
  source(applications);
  destination(messages);
};

log {
  source(kernel);
  destination(messages);
};
EOF
fi
setfacl -m u:system:rw- "${SYSCONFDIR}/syslog-ng.conf"

# Check if running on NT
_sys="`uname`"
_nt=`expr "${_sys}" : "CYGWIN_NT"`
# On NT ask if syslog-ng should be installed as service
if [ ${_nt} -gt 0 ]
then
  # Check if syslogd is installed and remove on user request.
  if cygrunsrv -Q syslogd > /dev/null 2>&1
  then
    echo "Warning: The syslogd service is already installed.  You can not"
    echo "run both, syslogd and syslog-ng in parallel."
    echo
    if request "Do you want to deinstall the syslogd service in favor of syslog-ng?"
    then
      cygrunsrv -E syslogd
      cygrunsrv -R syslogd
    fi
  fi
  # Install syslog-ng service if it is not already installed
  if ! cygrunsrv -Q syslog-ng > /dev/null 2>&1
  then
    echo
    echo
    echo "Warning: The following function requires administrator privileges!"
    echo
    echo "Do you want to install syslog-ng as service?"
    if request "(Say \"no\" if it's already installed as service)"
    then
      if cygrunsrv -I syslog-ng -d "CYGWIN syslog-ng" -p /usr/sbin/syslog-ng -a -F
      then
       echo
       echo "The service has been installed under LocalSystem account."
       echo "To start the service, call \`net start syslog-ng' or \`cygrunsrv -S syslog-ng'."
       echo
       echo "Check ${SYSCONFDIR}/syslog-ng.conf first, if it suits your needs."
      fi
    fi
  fi
fi

echo
echo "Configuration finished. Have fun!"