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# $OpenBSD: rc.subr,v 1.43 2011/07/23 22:41:44 sthen Exp $
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#
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# Copyright (c) 2010, 2011 Antoine Jacoutot <ajacoutot@openbsd.org>
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# Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
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# Copyright (c) 2010, 2011 Robert Nagy <robert@openbsd.org>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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# Default functions and variables used by rc.d(8) scripts.
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rc_err() {
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echo $1
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exit 1
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}
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rc_start() {
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${rcexec} "${daemon} ${daemon_flags} ${_bg}"
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}
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rc_check() {
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pkill -0 -f "^${pexp}"
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}
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rc_reload() {
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pkill -HUP -f "^${pexp}"
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}
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rc_stop() {
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pkill -f "^${pexp}"
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}
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rc_do() {
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if [ -n "${RC_DEBUG}" ]; then
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echo "doing $@" && "$@"
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else
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"$@" >/dev/null 2>&1
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fi
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}
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rc_exit() {
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[ -z "${INRC}" -o X"$1" != X"ok" ] && _pfix="($1)"
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echo ${INRC:+'-n'} "${_pfix}"
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[ X"$1" = X"ok" ] && exit 0 || exit 1
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}
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rc_wait() {
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i=0
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[ -n "$2" ] && w=$2 || w=30
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while [ $i -lt $w ]; do
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case "$1" in
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start)
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rc_do rc_check && return 0
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;;
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stop)
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rc_do rc_check || return 0
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;;
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*)
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break
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;;
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esac
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sleep 1
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i=$((i+1))
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done
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return 1
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}
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rc_cmd() {
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[ $(id -u) -eq 0 ] || \
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rc_err "$0: need root privileges"
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[ X"${daemon_flags}" = X"NO" ] && exit 1
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eval _enotsup=\${rc_${1}}
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[ X"${_enotsup}" != X"NO" ] || rc_err "$0: $1 is not supported"
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[ X"${rc_bg}" = X"YES" ] && local _bg="&"
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[ -n "${RC_DEBUG}" ] || local _n="-n"
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case "$1" in
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check)
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rc_do rc_check
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;;
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start)
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[ -z "${INRC}" ] && rc_do rc_check && exit 0
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echo $_n "${INRC:+ }${_name}"
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while true; do # no real loop, only needed to break
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if type rc_pre >/dev/null; then
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rc_do rc_pre || break
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fi
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rc_do rc_start || break
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if [ -n "${_bg}" ]; then
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sleep 1
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rc_do rc_wait start || break
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fi
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rc_exit ok
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done
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# handle failure
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type rc_post >/dev/null && rc_do rc_post
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rc_exit failed
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;;
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stop)
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rc_do rc_check || exit 0
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echo $_n "${INRC:+ }${_name}"
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rc_do rc_stop || rc_exit failed
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rc_do rc_wait stop || rc_exit failed
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if type rc_post >/dev/null; then \
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rc_do rc_post || rc_exit failed
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fi
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rc_exit ok
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;;
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reload)
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rc_do rc_check || exit 0
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echo $_n "${INRC:+ }${_name}"
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rc_do rc_reload || rc_exit failed
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rc_do rc_check || rc_exit failed
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rc_exit ok
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;;
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restart)
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/etc/rc.d/${_name} stop && /etc/rc.d/${_name} start
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;;
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*)
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rc_err "usage: $0 {start|check|reload|restart|stop}"
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esac
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}
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[ -z "${local_rcconf}" ] && . /etc/rc.conf
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[ -n "${daemon}" ] || rc_err "$0: daemon is not set"
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_name=$(basename $0)
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eval _rcflags=\${${_name}_flags}
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eval _rcuser=\${${_name}_user}
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getcap -f /etc/login.conf ${_name} 1>/dev/null 2>&1 && \
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daemon_class=${_name}
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[ -z "${daemon_class}" ] && daemon_class=daemon
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[ -z "${daemon_user}" ] && daemon_user=root
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[ -n "${_rcflags}" ] && daemon_flags=${_rcflags}
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[ -n "${_rcuser}" ] && daemon_user=${_rcuser}
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daemon_flags=$(printf ' %s' ${daemon_flags})
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daemon_flags=${daemon_flags## }
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pexp="${daemon}${daemon_flags:+ ${daemon_flags}}"
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rcexec="su -l -c ${daemon_class} -s /bin/sh ${daemon_user} -c"
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