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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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|
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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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|
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is_ppp() { |
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[ -e /var/run/ppp-"${IFACE}".pid ] |
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} |
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|
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requote() { |
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printf "'%s' " "$@" |
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} |
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|
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pppd_start() { |
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${IN_BACKGROUND} && return 0 |
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|
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if [ "${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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|
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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 $"PPP requires a unit - use net.ppp[0-9] instead of net.ppp" |
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return 1 |
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fi |
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|
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# PPP requires a link to communicate over - normally a serial port |
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# PPPoE communicates over Ethernet |
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# PPPoA communicates over ATM |
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# In all cases, the link needs to be available before we start PPP |
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eval link=\$link_${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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|
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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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|
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eval $(_get_array "pppd_${IFVAR}") |
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opts="$@" |
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|
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# We don't work with these options set by the user |
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for i in "$@" ; 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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|
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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="${opts} plugin passwordfd.so passwordfd 0" |
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fi |
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|
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# Check for mtu/mru |
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local mtu= hasmtu=false hasmru=false hasmaxfail=false haspersits=false |
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loal hasupdetach=false |
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eval mtu=\$mtu_${IFVAR} |
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for i in ${opts} ; do |
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case "${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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! ${hasmtu} && opts="${opts} mtu ${mtu}" |
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! ${hasmru} && opts="${opts} mru ${mtu}" |
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! ${hasmailfail} && opts="${opts} maxfail 0" |
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! ${haspersist} && opts="${opts} persist" |
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|
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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, even if ${iface} interface was never started |
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opts="linkname ${IFACE} ${opts}" |
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|
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# Setup auth info |
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if [ -n "${username}" ] ; then |
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opts="user '"${username}"' remotename ${IFACE} ${opts}" |
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fi |
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|
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# Load a custom interface configuration file if it exists |
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[ -f "/etc/ppp/options.${IFACE}" ] \ |
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&& opts="${opts} file /etc/ppp/options.${IFACE}" |
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|
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# Set unit |
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opts="unit ${unit} ${opts}" |
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|
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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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|
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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 -- ${i} |
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case "${i}" in |
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passwordfd) continue;; |
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pppoa) shift; set -- "rp-pppoe" "$@" ;; |
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pppoe) shift; set -- "pppoatm" "$@" ;; |
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capi) shift; set -- "capiplugin" "$@" ;; |
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esac |
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case "${i}" 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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|
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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 ${haspppoe} ; then |
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if [ ! -e /proc/net/pppoe ] ; then |
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# Load the PPPoE kernel module |
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if ! modprobe pppoe ; then |
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eerror "kernel does not support PPPoE" |
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return 1 |
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fi |
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fi |
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|
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# Ensure that the link exists and is up |
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( IFACE="${link}" ; _exists true && _up ) || return 1 |
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insert_link_in_opts=0 |
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fi |
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|
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if ${haspppoa} ; then |
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if [ ! -d /proc/net/atm ] ; then |
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# Load the PPPoA kernel module |
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if ! modprobe pppoatm ; then |
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eerror "kernel does not support PPPoATM" |
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return 1 |
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fi |
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fi |
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|
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if [ "${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_${IFVAR}" |
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fi |
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|
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fi |
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[ "${insert_link_in_opts}" == "0" ] || opts="${link} ${opts}" |
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|
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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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|
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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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|
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if ${hasupdetach} ; then |
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_show_address |
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else |
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einfo "Backgrounding ..." |
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fi |
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|
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# pppd will re-call us when we bring the interface up |
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exit 0 |
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} |
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|
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pppd_stop() { |
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${IN_BACKGROUND} && return 0 |
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local pidfile="/var/run/ppp-${IFACE}.pid" |
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|
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[ ! -s "${pidfile}" ] && return 0 |
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|
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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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|
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# vim: set ts=4 : |
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