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Diffstat (limited to 'net.Linux/pppd.sh')
| -rw-r--r-- | net.Linux/pppd.sh | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/net.Linux/pppd.sh b/net.Linux/pppd.sh new file mode 100644 index 00000000..72a8e7d4 --- /dev/null +++ b/net.Linux/pppd.sh @@ -0,0 +1,219 @@ +# Copyright 2005-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +pppd_depend() { + program /usr/sbin/pppd + after interface + before dhcp + provide ppp +} + +is_ppp() { + [ -e /var/run/ppp-"${IFACE}".pid ] +} + +requote() { + printf "'%s' " "$@" +} + +pppd_start() { + ${IN_BACKGROUND} && return 0 + + if [ "${iface%%[0-9]*}" != "ppp" ] ; then + eerror "PPP can only be invoked from net.ppp[0-9]" + return 1 + fi + + local link= i= opts= unit="${IFACE#ppp}" mtu= + if [ -z "${unit}" ] ; then + eerror $"PPP requires a unit - use net.ppp[0-9] instead of net.ppp" + return 1 + fi + + # PPP requires a link to communicate over - normally a serial port + # PPPoE communicates over Ethernet + # PPPoA communicates over ATM + # In all cases, the link needs to be available before we start PPP + eval link=\$link_${IFVAR} + if [ -z "${link}" ] ; then + eerror "link_${IFVAR} has not been set in /etc/conf.d/net" + return 1 + fi + + case "${link}" in + /*) + if [ ! -e "${link}" ] ; then + eerror "${link} does not exist" + eerror "Please verify hardware or kernel module (driver)" + return 1 + fi + ;; + esac + + eval $(_get_array "pppd_${IFVAR}") + opts="$@" + + # We don't work with these options set by the user + for i in "$@" ; do + set -- ${i} + case "$1" in + unit|nodetach|linkname) + eerror "The option \"$1\" is not allowed in pppd_${IFVAR}" + return 1 + ;; + esac + done + + # Might be set in conf.d/net + local username= password= passwordset= + eval username=\$username_${IFVAR} + eval password=\$password_${IFVAR} + eval passwordset=\${password_${IFVAR}-x} + if [ -n "${username}" ] \ + && [ -n "${password}" -o -z "${passwordset}" ] ; then + opts="${opts} plugin passwordfd.so passwordfd 0" + fi + + # Check for mtu/mru + local mtu= hasmtu=false hasmru=false hasmaxfail=false haspersits=false + loal hasupdetach=false + eval mtu=\$mtu_${IFVAR} + for i in ${opts} ; do + case "${i}" in + mtu" "*) hasmtu=true ;; + mru" "*) hasmru=true ;; + maxfail" "*) hasmaxfail=true ;; + persist) haspersist=true ;; + updetach) hasupdetach=true; + esac + done + ! ${hasmtu} && opts="${opts} mtu ${mtu}" + ! ${hasmru} && opts="${opts} mru ${mtu}" + ! ${hasmailfail} && opts="${opts} maxfail 0" + ! ${haspersist} && opts="${opts} persist" + + # Set linkname because we need /var/run/ppp-${linkname}.pid + # This pidfile has the advantage of being there, even if ${iface} interface was never started + opts="linkname ${IFACE} ${opts}" + + # Setup auth info + if [ -n "${username}" ] ; then + opts="user '"${username}"' remotename ${IFACE} ${opts}" + fi + + # Load a custom interface configuration file if it exists + [ -f "/etc/ppp/options.${IFACE}" ] \ + && opts="${opts} file /etc/ppp/options.${IFACE}" + + # Set unit + opts="unit ${unit} ${opts}" + + # Setup connect script + local chatopts="/usr/sbin/chat -e -E -v" + eval $(_get_array "phone_number_${IFVAR}") + [ -n "$1" ] && chatopts="${chatopts} -T '$1'" + [ -n "$2" ] && chatopts="${chatopts} -U '$2'" + eval $(_get_array "chat_${IFVAR}") + if [ -n "$@" ] ; then + opts="${opts} connect $(printf "'%s' " "${chatopts} $(printf "'%s' " "$@")")" + fi + + # Add plugins + local haspppoa=false haspppoe=false + eval $(_get_array "plugins_${IFVAR}") + for i in "$@" ; do + set -- ${i} + case "${i}" in + passwordfd) continue;; + pppoa) shift; set -- "rp-pppoe" "$@" ;; + pppoe) shift; set -- "pppoatm" "$@" ;; + capi) shift; set -- "capiplugin" "$@" ;; + esac + case "${i}" in + rp-pppoe) haspppoe=true ;; + pppoatm) haspppoa=true ;; + esac + if [ "$1" = "rp-pppoe" ] || [ "$1" = "pppoatm" -a "${link}" != "/dev/null" ] ; then + opts="${opts} connect true" + set -- "$@" "${link}" + fi + opts="${opts} plugin $1.so" + shift + opts="${opts} $@" + done + + #Specialized stuff. Insert here actions particular to connection type (pppoe,pppoa,capi) + local insert_link_in_opts=1 + if ${haspppoe} ; then + if [ ! -e /proc/net/pppoe ] ; then + # Load the PPPoE kernel module + if ! modprobe pppoe ; then + eerror "kernel does not support PPPoE" + return 1 + fi + fi + + # Ensure that the link exists and is up + ( IFACE="${link}" ; _exists true && _up ) || return 1 + insert_link_in_opts=0 + fi + + if ${haspppoa} ; then + if [ ! -d /proc/net/atm ] ; then + # Load the PPPoA kernel module + if ! modprobe pppoatm ; then + eerror "kernel does not support PPPoATM" + return 1 + fi + fi + + if [ "${link}" != "/dev/null" ] ; then + insert_link_in_opts=0 + else + ewarn "WARNING: An [itf.]vpi.vci ATM address was expected in link_${IFVAR}" + fi + + fi + [ "${insert_link_in_opts}" == "0" ] || opts="${link} ${opts}" + + ebegin "Starting pppd in ${IFACE}" + mark_service_inactive "${SVCNAME}" + if [ -n "${username}" ] \ + && [ -n "${password}" -o -z "${passwordset}" ] ; then + echo "${password}" | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g' | \ + eval start-stop-daemon --start --exec /usr/sbin/pppd \ + --pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null + else + eval start-stop-daemon --start --exec /usr/sbin/pppd \ + --pidfile "/var/run/ppp-${IFACE}.pid" -- "${opts}" >/dev/null + fi + + if ! eend $? $"Failed to start PPP" ; then + mark_service_starting "net.${iface}" + return 1 + fi + + if ${hasupdetach} ; then + _show_address + else + einfo "Backgrounding ..." + fi + + # pppd will re-call us when we bring the interface up + exit 0 +} + +pppd_stop() { + ${IN_BACKGROUND} && return 0 + local pidfile="/var/run/ppp-${IFACE}.pid" + + [ ! -s "${pidfile}" ] && return 0 + + # Give pppd at least 30 seconds do die, #147490 + einfo "Stopping pppd on ${IFACE}" + start-stop-daemon --stop --quiet --exec /usr/sbin/pppd \ + --pidfile "${pidfile}" --retry 30 + eend $? +} + +# vim: set ts=4 : |