-scan_ppp() {
- config_get ifname "$1" ifname
- pppdev="${pppdev:-0}"
- config_get devunit "$1" unit
- {
- unit=
- pppif=
- if [ ! -d /tmp/.ppp-counter ]; then
- mkdir -p /tmp/.ppp-counter
- fi
- local maxunit
- maxunit="$(cat /tmp/.ppp-counter/max-unit 2>/dev/null)"
- if [ -z "$maxunit" ]; then
- maxunit=-1
- fi
- local i
- i=0
- while [ $i -le $maxunit ]; do
- local unitdev
- unitdev="$(cat /tmp/.ppp-counter/ppp${i} 2>/dev/null)"
- if [ "$unitdev" = "$1" ]; then
- unit="$i"
- pppif="ppp${i}"
- break
- fi
- i="$(($i + 1))"
- done
- if [ -z "$unit" ] || [ -z "$pppif" ]; then
- maxunit="$(($maxunit + 1))"
- if [ -n "$devunit" ]; then
- unit="$devunit"
- elif [ "${ifname%%[0-9]*}" = ppp ]; then
- unit="${ifname##ppp}"
- else
- unit="$maxunit"
- fi
- [ "$maxunit" -lt "$unit" ] && maxunit="$unit"
- pppif="ppp${unit}"
- echo "$1" >/tmp/.ppp-counter/$pppif 2>/dev/null
- echo "$maxunit" >/tmp/.ppp-counter/max-unit 2>/dev/null
- fi
- config_set "$1" ifname "ppp$unit"
- config_set "$1" unit "$unit"
- }
+stop_interface_ppp() {
+ local cfg="$1"
+
+ local proto
+ config_get proto "$cfg" proto
+
+ local link="$proto-$cfg"
+ service_kill pppd "/var/run/ppp-${link}.pid"
+
+ remove_dns "$cfg"
+
+ local lock="/var/lock/ppp-$link"
+ [ -f "$lock" ] && lock -u "$lock"
}
start_pppd() {
local cfg="$1"; shift
- local ifname
- # make sure the network state references the correct ifname
- scan_ppp "$cfg"
- config_get ifname "$cfg" ifname
- set_interface_ifname "$cfg" "$ifname"
+ local proto
+ config_get proto "$cfg" proto
+
+ # unique link identifier
+ local link="${proto:-ppp}-$cfg"
# make sure only one pppd process is started
- lock "/var/lock/ppp-${cfg}"
- local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
+ lock "/var/lock/ppp-${link}"
+ local pid="$(head -n1 /var/run/ppp-${link}.pid 2>/dev/null)"
[ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
- lock -u "/var/lock/ppp-${cfg}"
+ lock -u "/var/lock/ppp-${link}"
return 0
}
# /dev/ppp fast enough to be used here
[ -e /dev/ppp ] || mknod /dev/ppp c 108 0
+ local device
config_get device "$cfg" device
- config_get unit "$cfg" unit
+
+ local username
config_get username "$cfg" username
+
+ local password
config_get password "$cfg" password
+
+ local keepalive
config_get keepalive "$cfg" keepalive
+ local connect
config_get connect "$cfg" connect
+
+ local disconnect
config_get disconnect "$cfg" disconnect
+
+ local pppd_options
config_get pppd_options "$cfg" pppd_options
+
+ local defaultroute
config_get_bool defaultroute "$cfg" defaultroute 1
- [ "$defaultroute" -eq 1 ] && defaultroute="defaultroute replacedefaultroute" || defaultroute=""
+ [ "$defaultroute" -eq 1 ] && \
+ defaultroute="defaultroute replacedefaultroute" || defaultroute="nodefaultroute"
- interval="${keepalive##*[, ]}"
+ local interval="${keepalive##*[, ]}"
[ "$interval" != "$keepalive" ] || interval=5
- config_get_bool peerdns "$cfg" peerdns 1
- [ "$peerdns" -eq 1 ] && peerdns="usepeerdns" || {
+ local dns
+ config_get dns "$config" dns
+
+ local has_dns=0
+ local peer_default=1
+ [ -n "$dns" ] && {
+ has_dns=1
+ peer_default=0
+ }
+
+ local peerdns
+ config_get_bool peerdns "$cfg" peerdns $peer_default
+
+ [ "$peerdns" -eq 1 ] && {
+ peerdns="usepeerdns"
+ } || {
peerdns=""
- config_get dns "$config" dns
- for dns in $dns; do
- grep -q "$dns" /tmp/resolv.conf.auto 2>/dev/null || \
- echo "nameserver $dns" >> /tmp/resolv.conf.auto
- done
+ add_dns "$cfg" $dns
}
- config_get demand "$cfg" demand
- [ -n "$demand" ] && echo "nameserver 1.1.1.1" > /tmp/resolv.conf.auto
+ local demand
+ config_get demand "$cfg" demand 0
+
+ local demandargs
+ [ "$demand" -gt 0 ] && {
+ demandargs="precompiled-active-filter /etc/ppp/filter demand idle $demand"
+ [ "$has_dns" -eq 0 ] && add_dns "$cfg" 1.1.1.1
+ } || {
+ demandargs="persist"
+ }
+ local ipv6
config_get_bool ipv6 "$cfg" ipv6 0
[ "$ipv6" -eq 1 ] && ipv6="+ipv6" || ipv6=""
- /usr/sbin/pppd "$@" \
+ start-stop-daemon -S -b -x /usr/sbin/pppd -m -p /var/run/ppp-$link.pid -- "$@" \
${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
- ${demand:+precompiled-active-filter /etc/ppp/filter demand idle }${demand:-persist} \
+ $demandargs \
$peerdns \
$defaultroute \
${username:+user "$username" password "$password"} \
- unit "$unit" \
- linkname "$cfg" \
ipparam "$cfg" \
+ ifname "$link" \
${connect:+connect "$connect"} \
${disconnect:+disconnect "$disconnect"} \
${ipv6} \
- ${pppd_options}
+ ${pppd_options} \
+ nodetach
- lock -u "/var/lock/ppp-${cfg}"
+ lock -u "/var/lock/ppp-${link}"
}
setup_interface_ppp() {
local iface="$1"
local config="$2"
+ local device
config_get device "$config" device
+ local mtu
config_get mtu "$config" mtu
+
mtu=${mtu:-1492}
start_pppd "$config" \
mtu $mtu mru $mtu \
projects / openwrt.git / blobdiff