diff --git a/ChangeLog b/ChangeLog index c80dac5a..853f603e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -32,6 +32,8 @@ ver. 0.9.2 (2014/XX/XXX) - wanna-be-released - Enhancements: * Enable multiport for firewallcmd-new action. Closes gh-834 + * files/debian-initd migrated from the debian branch and should be + suitable for manual installations now (thanks Juan Karlo de Guzman) ver. 0.9.1 (2014/10/29) - better, faster, stronger diff --git a/MANIFEST b/MANIFEST index eeb13eef..c6de80fd 100644 --- a/MANIFEST +++ b/MANIFEST @@ -328,6 +328,7 @@ man/fail2ban-server.h2m man/fail2ban-regex.1 man/fail2ban-regex.h2m man/generate-man +files/debian-initd files/gentoo-initd files/gentoo-confd files/redhat-initd diff --git a/files/debian-initd b/files/debian-initd new file mode 100755 index 00000000..d9bb3f50 --- /dev/null +++ b/files/debian-initd @@ -0,0 +1,248 @@ +#! /bin/sh +### BEGIN INIT INFO +# Provides: fail2ban +# Required-Start: $local_fs $remote_fs +# Required-Stop: $local_fs $remote_fs +# Should-Start: $time $network $syslog iptables firehol shorewall ipmasq arno-iptables-firewall iptables-persistent ferm +# Should-Stop: $network $syslog iptables firehol shorewall ipmasq arno-iptables-firewall iptables-persistent ferm +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Start/stop fail2ban +# Description: Start/stop fail2ban, a daemon scanning the log files and +# banning potential attackers. +### END INIT INFO + +# Author: Aaron Isotton +# Modified: by Yaroslav Halchenko +# reindented + minor corrections + to work on sarge without modifications +# Modified: by Glenn Aaldering +# added exit codes for status command +# Modified: by Juan Karlo de Guzman +# corrected the DAEMON's path and the SOCKFILE +# rename this file: (sudo) mv /etc/init.d/fail2ban.init /etc/init.d/fail2ban +# same with the logrotate file: (sudo) mv /etc/logrotate.d/fail2ban.logrotate /etc/logrotate.d/fail2ban +# +PATH=/usr/sbin:/usr/bin:/sbin:/bin +DESC="authentication failure monitor" +NAME=fail2ban + +# fail2ban-client is not a daemon itself but starts a daemon and +# loads its with configuration +DAEMON=/usr/local/bin/$NAME-client +SCRIPTNAME=/etc/init.d/$NAME + +# Ad-hoc way to parse out socket file name +SOCKFILE=`grep -h '^[^#]*socket *=' /etc/$NAME/$NAME.conf /etc/$NAME/$NAME.local 2>/dev/null \ + | tail -n 1 | sed -e 's/.*socket *= *//g' -e 's/ *$//g'` +[ -z "$SOCKFILE" ] && SOCKFILE='/var/run/fail2ban.sock' + +# Exit if the package is not installed +[ -x "$DAEMON" ] || exit 0 + +# Run as root by default. +FAIL2BAN_USER=root + +# Read configuration variable file if it is present +[ -r /etc/default/$NAME ] && . /etc/default/$NAME +DAEMON_ARGS="$FAIL2BAN_OPTS" + +# Load the VERBOSE setting and other rcS variables +[ -f /etc/default/rcS ] && . /etc/default/rcS + +# Predefine what can be missing from lsb source later on -- necessary to run +# on sarge. Just present it in a bit more compact way from what was shipped +log_daemon_msg () { + [ -z "$1" ] && return 1 + echo -n "$1:" + [ -z "$2" ] || echo -n " $2" +} + +# Define LSB log_* functions. +# Depend on lsb-base (>= 3.0-6) to ensure that this file is present. +# Actually has to (>=2.0-7) present in sarge. log_daemon_msg is predefined +# so we must be ok +. /lib/lsb/init-functions + +# +# Shortcut function for abnormal init script interruption +# +report_bug() +{ + echo $* + echo "Please submit a bug report to Debian BTS (reportbug fail2ban)" + exit 1 +} + +# +# Helper function to check if socket is present, which is often left after +# abnormal exit of fail2ban and needs to be removed +# +check_socket() +{ + # Return + # 0 if socket is present and readable + # 1 if socket file is not present + # 2 if socket file is present but not readable + # 3 if socket file is present but is not a socket + [ -e "$SOCKFILE" ] || return 1 + [ -r "$SOCKFILE" ] || return 2 + [ -S "$SOCKFILE" ] || return 3 + return 0 +} + +# +# Function that starts the daemon/service +# +do_start() +{ + # Return + # 0 if daemon has been started + # 1 if daemon was already running + # 2 if daemon could not be started + do_status && return 1 + + if [ -e "$SOCKFILE" ]; then + log_failure_msg "Socket file $SOCKFILE is present" + [ "$1" = "force-start" ] \ + && log_success_msg "Starting anyway as requested" \ + || return 2 + DAEMON_ARGS="$DAEMON_ARGS -x" + fi + + # Assure that /var/run/fail2ban exists + [ -d /var/run/fail2ban ] || mkdir -p /var/run/fail2ban + + if [ "$FAIL2BAN_USER" != "root" ]; then + # Make the socket directory, IP lists and fail2ban log + # files writable by fail2ban + chown "$FAIL2BAN_USER" /var/run/fail2ban + # Create the logfile if it doesn't exist + touch /var/log/fail2ban.log + chown "$FAIL2BAN_USER" /var/log/fail2ban.log + find /proc/net/xt_recent -name 'fail2ban-*' -exec chown "$FAIL2BAN_USER" {} \; + fi + + start-stop-daemon --start --quiet --chuid "$FAIL2BAN_USER" --exec $DAEMON -- \ + $DAEMON_ARGS start > /dev/null\ + || return 2 + + return 0 +} + + +# +# Function that checks the status of fail2ban and returns +# corresponding code +# +do_status() +{ + $DAEMON ping > /dev/null 2>&1 + return $? +} + +# +# Function that stops the daemon/service +# +do_stop() +{ + # Return + # 0 if daemon has been stopped + # 1 if daemon was already stopped + # 2 if daemon could not be stopped + # other if a failure occurred + $DAEMON status > /dev/null 2>&1 || return 1 + $DAEMON stop > /dev/null || return 2 + + # now we need actually to wait a bit since it might take time + # for server to react on client's stop request. Especially + # important for restart command on slow boxes + count=1 + while do_status && [ $count -lt 60 ]; do + sleep 1 + count=$(($count+1)) + done + [ $count -lt 60 ] || return 3 # failed to stop + + return 0 +} + +# +# Function to reload configuration +# +do_reload() { + $DAEMON reload > /dev/null && return 0 || return 1 + return 0 +} + +# yoh: +# shortcut function to don't duplicate case statements and to don't use +# bashisms (arrays). Fixes #368218 +# +log_end_msg_wrapper() +{ + if [ "$3" != "no" ]; then + [ $1 -lt $2 ] && value=0 || value=1 + log_end_msg $value + fi +} + +command="$1" +case "$command" in + start|force-start) + [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" + do_start "$command" + log_end_msg_wrapper $? 2 "$VERBOSE" + ;; + + stop) + [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" + do_stop + log_end_msg_wrapper $? 2 "$VERBOSE" + ;; + + restart|force-reload) + log_daemon_msg "Restarting $DESC" "$NAME" + do_stop + case "$?" in + 0|1) + do_start + log_end_msg_wrapper $? 1 "always" + ;; + *) + # Failed to stop + log_end_msg 1 + ;; + esac + ;; + + reload|force-reload) + log_daemon_msg "Reloading $DESC" "$NAME" + do_reload + log_end_msg $? + ;; + + status) + log_daemon_msg "Status of $DESC" + do_status + case $? in + 0) log_success_msg " $NAME is running" ;; + 255) + check_socket + case $? in + 1) log_failure_msg " $NAME is not running" && exit 3 ;; + 0) log_failure_msg " $NAME is not running but $SOCKFILE exists" && exit 3 ;; + 2) log_failure_msg " $SOCKFILE not readable, status of $NAME is unknown" && exit 3 ;; + 3) log_failure_msg " $SOCKFILE exists but not a socket, status of $NAME is unknown" && exit 3 ;; + *) report_bug "Unknown return code from $NAME:check_socket." && exit 4 ;; + esac + ;; + *) report_bug "Unknown $NAME status code" && exit 4 + esac + ;; + *) + echo "Usage: $SCRIPTNAME {start|force-start|stop|restart|force-reload|status}" >&2 + exit 3 + ;; +esac + +: