mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 23:49:34 +02:00
fbb46d4f12
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12417 3c298f89-4303-0410-b956-a3cf2f4a3e73
87 lines
2.3 KiB
Bash
87 lines
2.3 KiB
Bash
scan_ppp() {
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config_get ifname "$1" ifname
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pppdev="${pppdev:-0}"
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config_get unit "$1" unit
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[ -z "$unit" ] && {
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unit="$pppdev"
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if [ "${ifname%%[0-9]*}" = ppp ]; then
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unit="${ifname##ppp}"
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[ "$pppdev" -le "$unit" ] && pppdev="$(($unit + 1))"
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else
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pppdev="$(($pppdev + 1))"
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fi
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config_set "$1" ifname "ppp$unit"
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config_set "$1" unit "$unit"
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}
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}
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start_pppd() {
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local cfg="$1"; shift
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# make sure only one pppd process is started
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lock "/var/lock/ppp-${cfg}"
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local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
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[ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
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lock -u "/var/lock/ppp-${cfg}"
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return 0
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}
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# Workaround: sometimes hotplug2 doesn't deliver the hotplug event for creating
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# /dev/ppp fast enough to be used here
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[ -e /dev/ppp ] || mknod /dev/ppp c 108 0
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config_get device "$cfg" device
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config_get unit "$cfg" unit
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config_get username "$cfg" username
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config_get password "$cfg" password
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config_get keepalive "$cfg" keepalive
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config_get connect "$cfg" connect
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config_get disconnect "$cfg" disconnect
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config_get pppd_options "$cfg" pppd_options
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config_get_bool defaultroute "$cfg" defaultroute 1
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[ "$defaultroute" -eq 1 ] && defaultroute="defaultroute replacedefaultroute" || defaultroute=""
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interval="${keepalive##*[, ]}"
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[ "$interval" != "$keepalive" ] || interval=5
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config_get_bool peerdns "$cfg" peerdns 1
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[ "$peerdns" -eq 1 ] && peerdns="usepeerdns" || peerdns=""
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config_get demand "$cfg" demand
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[ -n "$demand" ] && echo "nameserver 1.1.1.1" > /tmp/resolv.conf.auto
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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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/usr/sbin/pppd "$@" \
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${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
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${demand:+precompiled-active-filter /etc/ppp/filter demand idle }${demand:-persist} \
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$peerdns \
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$defaultroute \
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${username:+user "$username" password "$password"} \
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unit "$unit" \
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linkname "$cfg" \
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ipparam "$cfg" \
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${connect:+connect "$connect"} \
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${disconnect:+disconnect "$disconnect"} \
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${ipv6} \
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${pppd_options}
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lock -u "/var/lock/ppp-${cfg}"
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}
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setup_interface_ppp() {
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local iface="$1"
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local config="$2"
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config_get device "$config" device
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config_get mtu "$cfg" mtu
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mtu=${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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