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# Copyright 2005-2007 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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pppd_depend() {
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program /usr/sbin/pppd
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after interface
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before dhcp
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provide ppp
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}
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is_ppp() {
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[ -e /var/run/ppp-"${IFACE}".pid ]
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}
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requote() {
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printf "'%s' " "$@"
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}
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pppd_start() {
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${IN_BACKGROUND} && return 0
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if [ "${IFACE%%[0-9]*}" != "ppp" ] ; then
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eerror "PPP can only be invoked from net.ppp[0-9]"
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return 1
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fi
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local link= i= opts= unit="${IFACE#ppp}" mtu=
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if [ -z "${unit}" ] ; then
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eerror "PPP requires a unit - use net.ppp[0-9] instead of net.ppp"
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return 1
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fi
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# PPP requires a link to communicate over - normally a serial port
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# PPPoE communicates over Ethernet
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# PPPoA communicates over ATM
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# In all cases, the link needs to be available before we start PPP
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eval link=\$link_${IFVAR}
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if [ -z "${link}" ] ; then
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eerror "link_${IFVAR} has not been set in /etc/conf.d/net"
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return 1
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fi
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case "${link}" in
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/*)
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if [ ! -e "${link}" ] ; then
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eerror "${link} does not exist"
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eerror "Please verify hardware or kernel module (driver)"
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return 1
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fi
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;;
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esac
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eval $(_get_array "pppd_${IFVAR}")
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opts=$(requote "$@")
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# We don't work with these options set by the user
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for i in "$@" ; do
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set -- ${i}
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case "$1" in
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unit|nodetach|linkname)
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eerror "The option \"$1\" is not allowed in pppd_${IFVAR}"
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return 1
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;;
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esac
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done
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# Might be set in conf.d/net
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local username= password= passwordset=
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eval username=\$username_${IFVAR}
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eval password=\$password_${IFVAR}
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eval passwordset=\${password_${IFVAR}-x}
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if [ -n "${username}" ] \
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&& [ -n "${password}" -o -z "${passwordset}" ] ; then
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opts="${opts} plugin passwordfd.so passwordfd 0"
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fi
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# Check for mtu/mru
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local mtu= hasmtu=false hasmru=false hasmaxfail=false haspersits=false
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local hasupdetach=false
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eval mtu=\$mtu_${IFVAR}
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eval set -- "${opts}"
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for i in "$@" ; do
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case "${i}" in
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mtu" "*) hasmtu=true ;;
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mru" "*) hasmru=true ;;
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maxfail" "*) hasmaxfail=true ;;
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persist) haspersist=true ;;
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updetach) hasupdetach=true;
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esac
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done
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if [ -n "${mtu}" ] ; then
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! ${hasmtu} && opts="${opts} mtu ${mtu}"
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! ${hasmru} && opts="${opts} mru ${mtu}"
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fi
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! ${hasmailfail} && opts="${opts} maxfail 0"
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! ${haspersist} && opts="${opts} persist"
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# Set linkname because we need /var/run/ppp-${linkname}.pid
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# This pidfile has the advantage of being there,
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# even if ${IFACE} interface was never started
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opts="linkname ${IFACE} ${opts}"
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# Setup auth info
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if [ -n "${username}" ] ; then
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opts="user '"${username}"' remotename ${IFACE} ${opts}"
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fi
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# Load a custom interface configuration file if it exists
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[ -f "/etc/ppp/options.${IFACE}" ] \
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&& opts="${opts} file /etc/ppp/options.${IFACE}"
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# Set unit
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opts="unit ${unit} ${opts}"
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# Setup connect script
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local chatopts="/usr/sbin/chat -e -E -v"
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eval $(_get_array "phone_number_${IFVAR}")
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[ -n "$1" ] && chatopts="${chatopts} -T '$1'"
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[ -n "$2" ] && chatopts="${chatopts} -U '$2'"
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eval $(_get_array "chat_${IFVAR}")
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if [ -n "$@" ] ; then
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opts="${opts} connect $(printf "'%s' " "${chatopts} $(printf "'%s' " "$@")")"
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fi
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# Add plugins
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local haspppoa=false haspppoe=false
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eval $(_get_array "plugins_${IFVAR}")
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for i in "$@" ; do
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set -- ${i}
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case "$1" in
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passwordfd) continue;;
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pppoa) shift; set -- "pppoatm" "$@" ;;
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pppoe) shift; set -- "rp-pppoe" "$@" ;;
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capi) shift; set -- "capiplugin" "$@" ;;
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esac
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case "$1" in
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rp-pppoe) haspppoe=true ;;
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pppoatm) haspppoa=true ;;
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esac
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if [ "$1" = "rp-pppoe" ] || [ "$1" = "pppoatm" -a "${link}" != "/dev/null" ] ; then
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opts="${opts} connect true"
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set -- "$@" "${link}"
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fi
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opts="${opts} plugin $1.so"
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shift
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opts="${opts} $@"
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done
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#Specialized stuff. Insert here actions particular to connection type (pppoe,pppoa,capi)
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local insert_link_in_opts=1
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if ${haspppoe} ; then
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if [ ! -e /proc/net/pppoe ] ; then
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# Load the PPPoE kernel module
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if ! modprobe pppoe ; then
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eerror "kernel does not support PPPoE"
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return 1
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fi
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fi
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# Ensure that the link exists and is up
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( IFACE="${link}" ; _exists true && _up ) || return 1
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insert_link_in_opts=0
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fi
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if ${haspppoa} ; then
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if [ ! -d /proc/net/atm ] ; then
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# Load the PPPoA kernel module
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if ! modprobe pppoatm ; then
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eerror "kernel does not support PPPoATM"
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return 1
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fi
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fi
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if [ "${link}" != "/dev/null" ] ; then
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insert_link_in_opts=0
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else
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ewarn "WARNING: An [itf.]vpi.vci ATM address was expected in link_${IFVAR}"
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fi
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fi
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[ "${insert_link_in_opts}" = "0" ] || opts="${link} ${opts}"
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ebegin "Starting pppd in ${IFACE}"
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mark_service_inactive "${SVCNAME}"
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if [ -n "${username}" ] \
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&& [ -n "${password}" -o -z "${passwordset}" ] ; then
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echo "${password}" | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g' | \
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eval start-stop-daemon --start --exec /usr/sbin/pppd \
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--pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null
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else
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eval start-stop-daemon --start --exec /usr/sbin/pppd \
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--pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null
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fi
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if ! eend $? "Failed to start PPP" ; then
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mark_service_starting "net.${IFACE}"
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return 1
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fi
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if ${hasupdetach} ; then
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_show_address
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else
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einfo "Backgrounding ..."
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fi
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# pppd will re-call us when we bring the interface up
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exit 0
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}
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pppd_stop() {
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${IN_BACKGROUND} && return 0
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local pidfile="/var/run/ppp-${IFACE}.pid"
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[ ! -s "${pidfile}" ] && return 0
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# Give pppd at least 30 seconds do die, #147490
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einfo "Stopping pppd on ${IFACE}"
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start-stop-daemon --stop --quiet --exec /usr/sbin/pppd \
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--pidfile "${pidfile}" --retry 30
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eend $?
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}
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# vim: set ts=4 :
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