diff options
Diffstat (limited to 'package/base-files/default/usr')
| -rw-r--r-- | package/base-files/default/usr/lib/common.awk | 68 | ||||
| -rw-r--r-- | package/base-files/default/usr/lib/parse-config.awk | 42 | ||||
| -rwxr-xr-x | package/base-files/default/usr/share/udhcpc/default.script | 57 |
3 files changed, 167 insertions, 0 deletions
diff --git a/package/base-files/default/usr/lib/common.awk b/package/base-files/default/usr/lib/common.awk new file mode 100644 index 0000000000..c5ce680fa6 --- /dev/null +++ b/package/base-files/default/usr/lib/common.awk @@ -0,0 +1,68 @@ +# Copyright (C) 2006 OpenWrt.org + +function portstr(type, str) { + gsub(/-/, ":", str) + if (insmod_mport != 1) { + print "insmod ipt_multiport >&- 2>&-" + insmod_mport = 1 + } + if (type == "src") return " -m multiport --sports " str + else return " -m multiport --dports " str +} + +function str2ipt(str) { + str2data(str) + _cmd = "" + if (_l["src"] != "") _cmd = _cmd " -s " _l["src"] + if (_l["dest"] != "") _cmd = _cmd " -d " _l["dest"] + if (_l["proto"] != "") { + _cmd = _cmd " -p " _l["proto"] + } + # scripts need to check for proto="" and emit two rules in that case + if ((_l["proto"] == "") || (_l["proto"] == "tcp") || (_l["proto"] == "udp")) { + if (_l["sport"] != "") _cmd = _cmd portstr("src", _l["sport"]) + if (_l["dport"] != "") _cmd = _cmd portstr("dest", _l["dport"]) + } + if (_l["layer7"] != "") { + if (insmod_l7 != 1) { + print "insmod ipt_layer7 >&- 2>&-" + insmod_l7 = 1 + } + _cmd = _cmd " -m layer7 --l7proto " _l["layer7"] + } + return _cmd +} + +function str2data(str) { + delete _l + _n = split(str, _o, "[\t ]") + for (_i = 1; _i <= _n; _i++) { + _n2 = split(_o[_i], _c, "=") + if (_n2 == 2) _l[_c[1]] = _c[2] + } +} + +function bitcount(c) { + c=and(rshift(c, 1),0x55555555)+and(c,0x55555555) + c=and(rshift(c, 2),0x33333333)+and(c,0x33333333) + c=and(rshift(c, 4),0x0f0f0f0f)+and(c,0x0f0f0f0f) + c=and(rshift(c, 8),0x00ff00ff)+and(c,0x00ff00ff) + c=and(rshift(c,16),0x0000ffff)+and(c,0x0000ffff) + return c +} + +function validate_netmask(nm) { + return and(-nm,compl(nm)) +} + +function ip2int(ip) { + for (ret=0,n=split(ip,a,"\."),x=1;x<=n;x++) ret=or(lshift(ret,8),a[x]) + return ret +} + +function int2ip(ip,ret,x) { + ret=and(ip,255) + ip=rshift(ip,8) + for(;x<3;ret=and(ip,255)"."ret,ip=rshift(ip,8),x++); + return ret +} diff --git a/package/base-files/default/usr/lib/parse-config.awk b/package/base-files/default/usr/lib/parse-config.awk new file mode 100644 index 0000000000..9ce32b74ff --- /dev/null +++ b/package/base-files/default/usr/lib/parse-config.awk @@ -0,0 +1,42 @@ +# Copyright (C) 2006 OpenWrt.org + +{ + line=$0 + gsub(/^[ \t]*/, "") + gsub(/[ \t]*$/, "") +} + +$1 == "@define" { + v[$2] = $3 +} + +$1 == "@ifdef" { + if_open = 1 + if (v[$2] != "") noprint = 0 + else noprint = 1 +} + +$1 == "@ifndef" { + if_open = 1 + if (v[$2] != "") noprint = 1 + else noprint = 0 +} + +$1 == "@else" { + if (noprint == 1) noprint = 0 + else noprint = 1 +} + +($1 !~ /^@[a-zA-Z]/) && (noprint != 1) { + n=split(line "@@", a, /@@/) + for (i=1; i<=n; i++) { + if ((i % 2) == 1) printf a[i] + else printf v[a[i]] + } + print "" +} + +$1 == "@endif" { + if_open = 0 + noprint = 0 +} diff --git a/package/base-files/default/usr/share/udhcpc/default.script b/package/base-files/default/usr/share/udhcpc/default.script new file mode 100755 index 0000000000..74e703715b --- /dev/null +++ b/package/base-files/default/usr/share/udhcpc/default.script @@ -0,0 +1,57 @@ +#!/bin/sh +[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1 +. /etc/functions.sh +include /lib/network + +RESOLV_CONF="/tmp/resolv.conf" + +hotplug_event() { + scan_interfaces + for ifc in $interfaces; do + config_get ifname $ifc ifname + [ "$ifname" = "$interface" ] || continue + + config_get proto $ifc proto + [ "$proto" = "dhcp" ] || continue + + env -i ACTION="$1" INTERFACE="$ifname" PROTO=dhcp /sbin/hotplug iface + done +} + +case "$1" in + deconfig) + ifconfig $interface 0.0.0.0 + hotplug_event ifdown + ;; + renew|bound) + ifconfig $interface $ip \ + netmask ${subnet:-255.255.255.0} \ + broadcast ${broadcast:-+} + + if [ -n "$router" ] ; then + echo "deleting routers" + while route del default gw 0.0.0.0 dev $interface >&- 2>&- ; do :; done + + for i in $router ; do + echo "adding router $i" + route add default gw $i dev $interface + done + fi + + [ -n "$dns" ] && { + echo -n > $RESOLV_CONF + ${domain:+echo search $domain} >> $RESOLV_CONF + for i in $dns ; do + echo "adding dns $i" + echo "nameserver $i" >> $RESOLV_CONF + done + } + + hotplug_event ifup + + # user rules + [ -f /etc/udhcpc.user ] && . /etc/udhcpc.user + ;; +esac + +exit 0 |