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Lines 3-32
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| 3 |
MINISSDPD="/usr/sbin/minissdpd" |
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MINISSDPD="/usr/sbin/minissdpd" |
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PIDFILE="/var/run/minissdpd.pid" |
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PIDFILE="/var/run/minissdpd.pid" |
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ROUTE="/bin/route" |
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IFCONFIG="/bin/ifconfig" |
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depend() { |
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depend() { |
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need net |
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need net |
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before miniupnpd |
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before miniupnpd |
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} |
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} |
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interfaceup() { |
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# interface exists? |
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if [ ! -f /sys/class/net/$1/flags ]; then return 1; fi |
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let "IFUP = `cat /sys/class/net/$1/flags` & 1" |
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# interface has UP flag? |
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if [ $IFUP -eq 0 ]; then return 1; fi |
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return 0 |
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} |
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# awk script: scans the /proc routing table for local subnets |
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# 1. filter list for entries with a gateway (column 3) of 0.0.0.0 (ie interface-local) |
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# 2. read column 2 for network-order hex encoded subnet address |
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# 3. match against a 10.x.x.x, 172.(16-31).x.x, or 192.168.x.x address |
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# 4. print out any interface (column 1) that matches |
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privateinterfaces() { |
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awk -f - /proc/net/route <<'FindPrivateNetworks' |
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function p(m,n) { return(and(IP,m) == n); } |
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$3=="00000000" { IP=strtonum("0x"$2); if (p(0xff,0x0a) || p(0x1fff,0x10ac) || p(0xffff,0xa8c0)) print $1; } |
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FindPrivateNetworks |
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} |
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checkconfig() { |
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checkconfig() { |
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if [ "x$MINISSDPD_IFACE" != "x" ]; then |
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# no-op |
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interfaces=$($IFCONFIG | grep "Link encap" | awk '{ print $1 }') |
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for interface in $MINISSDPD_IFACE; do |
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hit=0 |
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for available in $interfaces; do |
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if [ "$interface" = "$available" ]; then |
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hit=1 |
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fi |
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done |
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if [ $hit = 0 ]; then |
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ewarn "Interface $interface not available" |
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return 1 |
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fi |
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done |
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fi |
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return 0 |
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return 0 |
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} |
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} |
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Lines 34-55
Link Here
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| 34 |
ebegin "Starting minissdpd" |
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ebegin "Starting minissdpd" |
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checkconfig || return 1 |
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checkconfig || return 1 |
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ARGS="" |
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if [ "x$MINISSDPD_IFACE" = "x" ]; then |
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if [ "x$MINISSDPD_IFACE" = "x" ]; then |
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# We assume that the default interface has an IP address |
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ewarn "No interfaces provided, using interfaces on private networks" |
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interface=$($ROUTE | grep default | awk -- '{ print $8 }') |
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IFLIST=$(privateinterfaces) |
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IP="$($IFCONFIG $interface | grep 'inet' | sed 's/^.*inet \([0-9.]\+\).\+/\1/')" |
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ARGS="-i $IP " |
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else |
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else |
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ARGS="" |
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IFLIST="$MINISSDPD_IFACE" |
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for interface in $MINISSDPD_IFACE; do |
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# An interface may not have an IP address, so don't listen if it doesn't |
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IP="$($IFCONFIG $interface | grep 'inet' | sed 's/^.*inet \([0-9.]\+\).\+/\1/')" |
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if [ "x$IP" != "x" ]; then |
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ARGS+="-i $IP " |
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fi |
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done |
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fi |
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fi |
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eindent |
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for IF in $IFLIST; do |
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if interfaceup $IF; then |
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einfo Adding interface $IF |
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ARGS+="-i $IF " |
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else |
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ewarn "Interface $IF is not up" |
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fi |
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done |
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eoutdent |
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $MINISSDPD -- $ARGS |
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $MINISSDPD -- $ARGS |
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eend $? |
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eend $? |
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} |
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} |
