Merge net.OS into net

1 files changed, 243 insertions, 0 deletions

diff --git a/net/pppd.sh b/net/pppd.sh
new file mode 100644
index 00000000..abee058d
--- /dev/null
+++ b/net/pppd.sh
@@ -0,0 +1,243 @@
+# Copyright 2005-2007 Gentoo Foundation
+# Copyright 2007-2008 Roy Marples <roy@marples.name>
+# All rights reserved. Released under the 2-clause BSD license.
+
+pppd_depend()
+{
+	program /usr/sbin/pppd
+	after interface
+	before dhcp
+	provide ppp
+}
+
+is_ppp()
+{
+	[ -e /var/run/ppp-"${IFACE}".pid ]
+}
+
+requote()
+{
+	printf "'%s' " "$@"
+}
+
+pppd_pre_start()
+{
+	# Interface has to be called ppp
+	[ "${IFACE%%[0-9]*}" = "ppp" ] || return 0
+
+	# Set our base metric
+	metric=4000
+
+	if yesno ${IN_BACKGROUND}; then
+		local config=
+		eval config=\$config_${IFVAR}
+		# If no config for ppp then don't default to DHCP 
+		if [ -z "${config}" ]; then
+			eval config_${IFVAR}=null
+		fi
+		return 0
+	fi
+
+	local link= i= unit="${IFACE#ppp}" opts=
+	
+	# PPP requires a link to communicate over - normally a serial port
+	# PPPoE communicates over Ethernet
+	# PPPoA communicates over ATM
+	# In all cases, the link needs to be available before we start PPP
+	eval link=\$link_${IFVAR}
+	[ -n "${link}" ] || return 0
+
+	case "${link}" in
+		/*)
+			if [ ! -e "${link}" ]; then
+				eerror "${link} does not exist"
+				eerror "Please verify hardware or kernel module (driver)"
+				return 1
+			fi
+			;;
+	esac
+
+	if [ -z "${unit}" ]; then
+		eerror "PPP requires a unit - use net.ppp[0-9] instead of net.ppp"
+		return 1
+	fi
+
+	# We need to flatten the useless array
+	set -- $(_get_array "pppd_${IFVAR}")
+	opts="$@"
+
+	local mtu= hasmtu=false hasmru=false hasmaxfail=false haspersist=false
+	local hasupdetach=false hasdefaultmetric=false
+	for i in ${opts}; do
+		case "${i}" in
+			unit|nodetach|linkname)
+				eerror "The option \"${i}\" is not allowed in pppd_${IFVAR}"
+				return 1
+			;;
+			defaultmetric) hasdefaultmetric=true;;
+			mtu) hasmtu=true;;
+			mru) hasmru=true;;
+			maxfail) hasmaxfail=true;;
+			persist) haspersist=true;;
+			updetach) hasupdetach=true;;
+		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
+	
+	if ! ${hasdefaultmetric}; then
+		local m=
+		eval m=\$metric_${IFVAR}
+		[ -z "${m}" ] && m=$((${metric} + $(_ifindex)))
+		opts="${opts} defaultmetric ${m}"
+	fi
+	if [ -n "${mtu}" ]; then
+		${hasmtu} || opts="${opts} mtu ${mtu}"
+		${hasmru} || opts="${opts} mru ${mtu}"
+	fi
+	${hasmaxfail} || opts="${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} ${opts}"
+	
+	# Setup connect script
+	local chatprog="/usr/sbin/chat -e -E -v" phone=
+	eval phone=\$phone_number_${IFVAR}
+	set -- ${phone}
+	[ -n "$1" ] && chatprog="${chatprog} -T '$1'"
+	[ -n "$2" ] && chatprog="${chatprog} -U '$2'"
+	# We need to flatten the useless array
+	set -- $(_get_array "chat_${IFVAR}")
+	if [ $# != 0 ]; then
+		opts="${opts} connect '$(echo ${chatprog} $@ | sed -e "s:':'\\\\'':g")'"
+	fi
+
+	# Add plugins
+	local haspppoa=false haspppoe=false plugins="$(_get_array "plugins_${IFVAR}")"
+	local IFS="$__IFS"
+	for i in ${plugins}; do
+		unset IFS
+		set -- ${i}
+		case "$1" in
+			passwordfd) continue;;
+			pppoa) shift; set -- "pppoatm" "$@";;
+			pppoe) shift; set -- "rp-pppoe" "$@";;
+			capi) shift; set -- "capiplugin" "$@";;
+		esac
+		case "$1" 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
+	unset IFS
+
+	#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 ${IFACE}"
+	mark_service_inactive
+	if [ -n "${username}" ] \
+	&& [ -n "${password}" -o -z "${passwordset}" ]; then
+		printf "%s" "${password}" | \
+		eval start-stop-daemon --start --exec /usr/sbin/pppd \
+			--pidfile "/var/run/ppp-${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_stopped
+		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
+}
+
+# Dummy function for users that still have config_ppp0="ppp"
+pppd_start()
+{
+	return 0
+}
+
+pppd_stop()
+{
+	yesno ${IN_BACKGROUND} && return 0
+	local pidfile="/var/run/ppp-${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 $?
+}