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#!/bin/sh
# PROVIDE: snmpd
# REQUIRE: DAEMON
#
# Add the following line to /etc/rc.conf to enable snmpd:
#
# snmpd_enable="YES"
# snmpd_flags="<set as needed>"
# snmpd_conffile="<set as needed>"
#
# Add the following line to make snmpd run as root. By default it drops
# privileges after initialization, but some configurations may require
# root privileges. In particular, extension scripts may need to be run as root.
#
# snmpd_sugid="NO"
#
# To troubleshoot permission errors, it may be useful to run snmpd with the
# following option in rc.conf:
#
# snmpd_prepend="ktrace -i -f /tmp/snmpd_ktrace.out"
#
# The resulting trace can be inspected with "kdump -f /tmp/snmpd_ktrace.out".
#
. /etc/rc.subr
name=snmpd
rcvar=snmpd_enable
load_rc_config snmpd
snmpd_enable=${snmpd_enable:-"NO"}
snmpd_flush_cache=${snmpd_flush_cache-"NO"}
snmpd_sugid=${snmpd_sugid:-"YES"}
pidfile=${snmpd_pidfile:-"/var/run/net_snmpd.pid"}
command=%%PREFIX%%/sbin/${name}
start_precmd=net_snmpd_precmd
check_conffile()
{
local conffile
conffile=$1
if [ ! -f "${conffile}" ]; then
warn "snmpd configuration file $conffile not found"
return
fi
su -m snmpd -c "test -r ${conffile}"
if [ $? -ne 0 ]; then
warn "snmpd configuration file $conffile not readable by snmpd user"
fi
}
net_snmpd_precmd() {
local flag conffile snmpd_conffile_set readable
if checkyesno snmpd_flush_cache; then
rm -vf /var/net-snmp/.snmp-exec-cache
fi
for flag in ${snmpd_flags}; do
case "${flag}" in
-p*)
err 1 "\$snmpd_flags includes -p option." \
"Please use \$snmpd_pidfile instead."
;;
-c*)
err 1 "\$snmpd_flags includes -c option." \
"Please use \$snmpd_conffile instead."
;;
esac
done
# -c does not override the default config file.
# if it exists, sanity check
if [ -f %%PREFIX%%/share/snmp/snmpd.conf ]; then
check_conffile %%PREFIX%%/share/snmp/snmpd.conf
fi
for conffile in ${snmpd_conffile}; do
check_conffile ${conffile}
if [ -f "${conffile}" -a -s "${conffile}" ]; then
snmpd_conffile_set="${snmpd_conffile_set},${conffile}"
else
err 1 "snmpd configuration file $conffile not found."
fi
done
# snmpd syntax requires that the listening address (if defined) be the last argument
if [ -n "${snmpd_conffile_set}" ]; then
rc_flags="-c ${snmpd_conffile_set#,} ${rc_flags}"
fi
if checkyesno snmpd_sugid; then
rc_flags="-u snmpd -g snmpd ${rc_flags}"
fi
rc_flags="-p ${pidfile} ${rc_flags}"
}
run_rc_command "$1"
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