mirror of https://github.com/hak5/openwrt.git
146 lines
3.0 KiB
Bash
146 lines
3.0 KiB
Bash
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stop_interface_ppp() {
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local cfg="$1"
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local proto
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config_get proto "$cfg" proto
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local link="$proto-$cfg"
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SERVICE_PID_FILE="/var/run/ppp-${link}.pid" \
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service_stop /usr/sbin/pppd
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remove_dns "$cfg"
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local lock="/var/lock/ppp-$link"
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[ -f "$lock" ] && lock -u "$lock"
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}
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start_pppd() {
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local cfg="$1"; shift
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# Workaround for PPPoE service and AC name options,
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# filter out the nic-* argument and append it as last option
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local nic=""
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case "$1" in
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nic-*) nic="$1"; shift ;;
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esac
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local proto
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config_get proto "$cfg" proto
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# unique link identifier
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local link="${proto:-ppp}-$cfg"
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# make sure only one pppd process is started
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lock "/var/lock/ppp-${link}"
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SERVICE_PID_FILE="/var/run/ppp-${link}.pid" \
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service_check /usr/sbin/pppd && {
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lock -u "/var/lock/ppp-${link}"
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return 0
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}
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# Workaround: sometimes hotplug2 doesn't deliver the hotplug event for creating
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# /dev/ppp fast enough to be used here
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[ -e /dev/ppp ] || mknod /dev/ppp c 108 0
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local device
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config_get device "$cfg" device
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local username
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config_get username "$cfg" username
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local password
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config_get password "$cfg" password
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local keepalive
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config_get keepalive "$cfg" keepalive
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local connect
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config_get connect "$cfg" connect
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local disconnect
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config_get disconnect "$cfg" disconnect
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local pppd_options
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config_get pppd_options "$cfg" pppd_options
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local defaultroute
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config_get_bool defaultroute "$cfg" defaultroute 1
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[ "$defaultroute" -eq 1 ] && \
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defaultroute="defaultroute replacedefaultroute" || defaultroute="nodefaultroute"
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local interval="${keepalive##*[, ]}"
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[ "$interval" != "$keepalive" ] || interval=5
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local dns
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config_get dns "$config" dns
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local has_dns=0
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local peer_default=1
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[ -n "$dns" ] && {
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has_dns=1
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peer_default=0
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}
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local peerdns
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config_get_bool peerdns "$cfg" peerdns $peer_default
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[ "$peerdns" -eq 1 ] && {
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peerdns="usepeerdns"
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} || {
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peerdns=""
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add_dns "$cfg" $dns
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}
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local demand
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config_get demand "$cfg" demand 0
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local demandargs
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[ "$demand" -gt 0 ] && {
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demandargs="precompiled-active-filter /etc/ppp/filter demand idle $demand"
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[ "$has_dns" -eq 0 ] && add_dns "$cfg" 1.1.1.1
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} || {
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demandargs="persist"
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}
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local ipv6
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config_get_bool ipv6 "$cfg" ipv6 0
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[ "$ipv6" -eq 1 ] && ipv6="+ipv6" || ipv6=""
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SERVICE_DAEMONIZE=1 \
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SERVICE_WRITE_PID=1 \
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SERVICE_PID_FILE="/var/run/ppp-$link.pid" \
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service_start /usr/sbin/pppd "$@" \
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${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
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$demandargs \
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$peerdns \
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$defaultroute \
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${username:+user "$username" password "$password"} \
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ipparam "$cfg" \
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ifname "$link" \
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${connect:+connect "$connect"} \
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${disconnect:+disconnect "$disconnect"} \
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${ipv6} \
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${pppd_options} \
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nodetach \
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${nic}
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lock -u "/var/lock/ppp-${link}"
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}
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setup_interface_ppp() {
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local iface="$1"
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local config="$2"
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local device
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config_get device "$config" device
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local mtu
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config_get mtu "$config" mtu
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mtu=${mtu:-1492}
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start_pppd "$config" \
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mtu $mtu mru $mtu \
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"$device"
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}
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