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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: flow_capture
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf to enable flow-capture:
# flow_capture_enable (bool): Set it to "YES" to enable flow-capture daemon.
# Set to "NO" by default.
# flow_capture_datadir (str): Base flow data directory.
# Default is "/var/db/flows"
# flow_capture_localip (str): IP address to bind to
# Default to "0.0.0.0"
# flow_capture_remoteip (str): IP address to accept flows from
# Default to "0.0.0.0" or all IPs
# flow_capture_port (int): Port to accept flow data on
# Default is "8787"
# flow_capture_flags (str): Custom additional arguments to be passed
# to flow-collector (default "-E 128M").
# flow_capture_profiles (str): A list of configuration profiles to enable.
# This allows you to run several instances of
# flow-capture with different parameters.
# Consider the following example:
# flow_capture_enable="YES"
# flow_capture_localip="85.172.168.9"
# flow_capture_profiles="r1 r2"
# flow_capture_r1_datadir="/var/db/flows/r1"
# flow_capture_r1_port="4444"
# flow_capture_r1_flags="-E20G -n287 -N-2"
# flow_capture_r2_datadir="/var/db/flows/r2"
# flow_capture_r2_port="4445"
# flow_capture_r2_flags="-E5G -n287 -N-2"
#
# This will run two instances of the flow-capture
# with parameters taken from appropriate
# flow_capture_PROFILENAME_xxx variables. For
# unspecified parameters flow_capture_xxx
# varialbes will be used.
. /etc/rc.subr
name="flow_capture"
rcvar=flow_capture_enable
setup_profile_vars()
{
name=flow_capture_$1
eval ": \${flow_capture_${1}_datadir=${flow_capture_datadir}}"
eval ": \${flow_capture_${1}_localip=${flow_capture_localip}}"
eval ": \${flow_capture_${1}_remoteip=${flow_capture_remoteip}}"
eval ": \${flow_capture_${1}_port=${flow_capture_port}}"
eval ": \${flow_capture_${1}_user=${flow_capture_user}}"
eval ": \${flow_capture_${1}_group=${flow_capture_group}}"
eval ": \${flow_capture_${1}_flags=${flow_capture_flags}}"
eval "pidfile=${flow_capture_pid}.\${flow_capture_${1}_port}"
eval "command_args=\"-w \${flow_capture_${1}_datadir} -p ${flow_capture_pid} \${flow_capture_${1}_localip}/\${flow_capture_${1}_remoteip}/\${flow_capture_${1}_port}\""
}
start_profiles()
{
unset start_cmd
for _profile in ${flow_capture_profiles}; do
setup_profile_vars $_profile
run_rc_command "${rc_arg}"
done
}
stop_profiles()
{
unset stop_cmd
for _profile in ${flow_capture_profiles}; do
setup_profile_vars $_profile
run_rc_command "${rc_arg}"
done
}
load_rc_config $name
: ${flow_capture_enable="NO"}
: ${flow_capture_datadir="%%FLOW_CAPTURE_SPOOL%%"}
: ${flow_capture_localip="0.0.0.0"}
: ${flow_capture_remoteip="0.0.0.0"}
: ${flow_capture_port="8787"}
: ${flow_capture_pid="%%FLOW_CAPTURE_PIDDIR%%/flow-capture.pid"}
: ${flow_capture_user="flowtools"}
: ${flow_capture_group="flowtools"}
: ${flow_capture_flags="-E 128M"}
pidfile="${flow_capture_pid}.${flow_capture_port}"
command="%%PREFIX%%/bin/flow-capture"
command_args="-w ${flow_capture_datadir} -p ${flow_capture_pid} ${flow_capture_localip}/${flow_capture_remoteip}/${flow_capture_port}"
cmd="$1"
if [ $# -gt 0 ]; then
shift
fi
[ -n "$*" ] && flow_capture_profiles="$*"
if [ "${flow_capture_profiles}" ]; then
start_cmd="start_profiles"
stop_cmd="stop_profiles"
fi
run_rc_command "$cmd"
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