diff options
Diffstat (limited to 'applications/luci-app-splash/root/usr/sbin/luci-splash')
| -rwxr-xr-x | applications/luci-app-splash/root/usr/sbin/luci-splash | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/applications/luci-app-splash/root/usr/sbin/luci-splash b/applications/luci-app-splash/root/usr/sbin/luci-splash index 2870dbe6aa..9ec9f3a9e1 100755 --- a/applications/luci-app-splash/root/usr/sbin/luci-splash +++ b/applications/luci-app-splash/root/usr/sbin/luci-splash @@ -36,6 +36,10 @@ function call(cmd) os.execute(cmd) end +function esc(str) + return utl.shellquote(str) +end + function lock() call("lock /var/run/luci_splash.lock") @@ -84,14 +88,14 @@ end function get_physdev(interface) local dev - dev = utl.trim(sys.exec(". /lib/functions/network.sh; network_get_device IFNAME '" .. interface .. "'; echo $IFNAME")) + dev = utl.trim(sys.exec(". /lib/functions/network.sh; network_get_device IFNAME %s; echo $IFNAME" % esc(interface))) return dev end function get_filter_handle(parent, direction, device, mac) - local input = utl.split(sys.exec('/usr/sbin/tc filter show dev ' .. device .. ' parent ' .. parent) or {}) + local input = utl.split(sys.exec('/usr/sbin/tc filter show dev %s parent %s' %{ esc(device), esc(parent) }) or {}) local tbl = {} local handle for k, v in pairs(input) do @@ -264,7 +268,7 @@ function main(argv) elseif whitelist_macs[mac] then print("Removing %s from whitelist" % mac) remove_whitelist(mac) - whitelist_macs[mac] = nil + whitelist_macs[mac] = nil elseif blacklist_macs[mac] then print("Removing %s from blacklist" % mac) remove_blacklist(mac) @@ -295,7 +299,7 @@ function main(argv) print("\n luci-splash remove <MAC-or-IP>\n Remove given address from the lease-, black- or whitelist") print("") - os.exit(1) + os.exit(1) end end @@ -338,8 +342,8 @@ function ipt_delete_all(args, comp, off) off[r.table] = off[r.table] or { } off[r.table][r.chain] = off[r.table][r.chain] or 0 - exec("iptables -t %q -D %q %d 2>/dev/null" - %{ r.table, r.chain, r.index - off[r.table][r.chain] }) + exec("iptables -t %s -D %s %d 2>/dev/null" + %{ esc(r.table), esc(r.chain), r.index - off[r.table][r.chain] }) off[r.table][r.chain] = off[r.table][r.chain] + 1 end @@ -353,8 +357,8 @@ function ipt6_delete_all(args, comp, off) off[r.table] = off[r.table] or { } off[r.table][r.chain] = off[r.table][r.chain] or 0 - exec("ip6tables -t %q -D %q %d 2>/dev/null" - %{ r.table, r.chain, r.index - off[r.table][r.chain] }) + exec("ip6tables -t %s -D %s %d 2>/dev/null" + %{ esc(r.table), esc(r.chain), r.index - off[r.table][r.chain] }) off[r.table][r.chain] = off[r.table][r.chain] + 1 end @@ -460,13 +464,13 @@ function remove_whitelist_tc(mac) end local handle = get_filter_handle('ffff:', 'src', device, mac) if handle then - exec('tc filter del dev "%s" parent ffff: protocol ip prio 1 handle %s u32' % { device, handle }) + exec('tc filter del dev %s parent ffff: protocol ip prio 1 handle %s u32' % { esc(device), esc(handle) }) else print('Warning! Could not get a handle for %s parent :ffff on interface %s' % { mac, device }) end local handle = get_filter_handle('1:', 'dest', device, mac) if handle then - exec('tc filter del dev "%s" parent 1:0 protocol ip prio 1 handle %s u32' % { device, handle }) + exec('tc filter del dev %s parent 1:0 protocol ip prio 1 handle %s u32' % { esc(device), esc(handle) }) else print('Warning! Could not get a handle for %s parent 1:0 on interface %s' % { mac, device }) end @@ -492,37 +496,37 @@ function add_lease_rule(mac, ipaddr, device) id = get_id(ipaddr) end - exec("iptables -t mangle -I luci_splash_mark_out -m mac --mac-source %q -j RETURN" % mac) + exec("iptables -t mangle -I luci_splash_mark_out -m mac --mac-source %s -j RETURN" % esc(mac)) -- Mark incoming packets to a splashed host -- for ipv4 - by iptables and destination if id and device then - exec("iptables -t mangle -I luci_splash_mark_in -d %q -j MARK --set-mark 0x1%s -m comment --comment %s" % {ipaddr, id, mac:upper()}) + exec("iptables -t mangle -I luci_splash_mark_in -d %s -j MARK --set-mark 0x1%s -m comment --comment %s" % { esc(ipaddr), esc(id), esc(mac:upper())}) end --for ipv6: need to use the mac here if has_ipv6 then - exec("ip6tables -t mangle -I luci_splash_mark_out -m mac --mac-source %q -j MARK --set-mark 79" % mac) + exec("ip6tables -t mangle -I luci_splash_mark_out -m mac --mac-source %s -j MARK --set-mark 79" % esc(mac)) if id and device and tonumber(limit_down) then - exec("tc filter add dev %s parent 1:0 protocol ipv6 prio 1 u32 match ether dst %s classid 1:%s" % {device, mac:lower(), id}) + exec("tc filter add dev %s parent 1:0 protocol ipv6 prio 1 u32 match ether dst %s classid 1:%s" % { esc(device), esc(mac:lower()), esc(id) }) end end if device and tonumber(limit_up) > 0 then - exec('tc filter add dev "%s" parent ffff: protocol all prio 2 u32 match ether src %s police rate %skbit mtu 6k burst 6k drop' % {device, mac, limit_up}) + exec('tc filter add dev %s parent ffff: protocol all prio 2 u32 match ether src %s police rate %skbit mtu 6k burst 6k drop' % { esc(device), esc(mac), esc(limit_up) }) end if id and device and tonumber(limit_down) > 0 then - exec("tc class add dev %s parent 1: classid 1:0x%s htb rate %skbit" % { device, id, limit_down }) - exec("tc qdisc add dev %s parent 1:%s sfq perturb 10" % { device, id }) + exec("tc class add dev %s parent 1: classid 1:0x%s htb rate %skbit" % { esc(device), esc(id), esc(limit_down) }) + exec("tc qdisc add dev %s parent 1:%s sfq perturb 10" % { esc(device), esc(id) }) end - exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %q -j RETURN" % mac) - exec("iptables -t nat -I luci_splash_leases -m mac --mac-source %q -j RETURN" % mac) + exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %s -j RETURN" % esc(mac)) + exec("iptables -t nat -I luci_splash_leases -m mac --mac-source %s -j RETURN" % esc(mac)) if has_ipv6 then - exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %q -j RETURN" % mac) + exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %s -j RETURN" % esc(mac)) end end @@ -548,32 +552,32 @@ function remove_lease_rule(mac, ipaddr, device, limit_up, limit_down) if device and tonumber(limit_up) > 0 then local handle = get_filter_handle('ffff:', 'src', device, mac) if handle then - exec('tc filter del dev "%s" parent ffff: protocol all prio 2 handle %s u32 police rate %skbit mtu 6k burst 6k drop' % {device, handle, limit_up}) + exec('tc filter del dev %s parent ffff: protocol all prio 2 handle %s u32 police rate %skbit mtu 6k burst 6k drop' % { esc(device), esc(handle), esc(limit_up) }) else print('Warning! Could not get a handle for %s parent :ffff on interface %s' % { mac, device }) end end -- remove clients class if device and id then - exec('tc class del dev "%s" classid 1:%s' % {device, id}) - exec('tc filter del dev "%s" parent 1:0 prio 1' % device) -- ipv6 rule - --exec('tc qdisc del dev "%s" parent 1:%s sfq perturb 10' % { device, id }) + exec('tc class del dev %s classid 1:%s' % { esc(device), esc(id) }) + exec('tc filter del dev %s parent 1:0 prio 1' % esc(device)) -- ipv6 rule + --exec('tc qdisc del dev %s parent 1:%s sfq perturb 10' % { esc(device), esc(id) }) end end -- Add whitelist rules function add_whitelist_rule(mac) - exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %q -j RETURN" % mac) - exec("iptables -t nat -I luci_splash_leases -m mac --mac-source %q -j RETURN" % mac) + exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %s -j RETURN" % esc(mac)) + exec("iptables -t nat -I luci_splash_leases -m mac --mac-source %s -j RETURN" % esc(mac)) if has_ipv6 then - exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %q -j RETURN" % mac) + exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %s -j RETURN" % esc(mac)) end uci:foreach("luci_splash", "iface", function(s) local device = get_physdev(s['.name']) if device and device ~= "" then - exec('tc filter add dev "%s" parent ffff: protocol ip prio 1 u32 match ether src %s police pass' % { device, mac }) - exec('tc filter add dev "%s" parent 1:0 protocol ip prio 1 u32 match ether dst %s classid 1:1' % { device, mac }) + exec('tc filter add dev %s parent ffff: protocol ip prio 1 u32 match ether src %s police pass' % { esc(device), esc(mac) }) + exec('tc filter add dev %s parent 1:0 protocol ip prio 1 u32 match ether dst %s classid 1:1' % { esc(device), esc(mac) }) end end) end @@ -581,9 +585,9 @@ end -- Add blacklist rules function add_blacklist_rule(mac) - exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %q -j DROP" % mac) + exec("iptables -t filter -I luci_splash_filter -m mac --mac-source %s -j DROP" % esc(mac)) if has_ipv6 then - exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %q -j DROP" % mac) + exec("ip6tables -t filter -I luci_splash_filter -m mac --mac-source %s -j DROP" % esc(mac)) end end @@ -596,15 +600,15 @@ function sync() -- Current leases in state files local leases = uci:get_all("luci_splash_leases") - + -- Convert leasetime to seconds local leasetime = tonumber(uci:get("luci_splash", "general", "leasetime")) * 3600 - + -- Clean state file uci:load("luci_splash_leases") uci:revert("luci_splash_leases") - + local blackwhitelist = uci:get_all("luci_splash") local whitelist_total = 0 local whitelist_online = 0 @@ -628,7 +632,7 @@ function sync() end -- Rewrite state - uci:section("luci_splash_leases", "lease", convert_mac_to_secname(v.mac), { + uci:section("luci_splash_leases", "lease", convert_mac_to_secname(v.mac), { mac = v.mac, ipaddr = v.ipaddr, device = v.device, @@ -639,7 +643,7 @@ function sync() end end end - + -- Whitelist, Blacklist for _, s in utl.spairs(blackwhitelist, function(a,b) return blackwhitelist[a][".type"] > blackwhitelist[b][".type"] end @@ -666,7 +670,7 @@ function sync() -- ToDo: -- include a new field "leases_online" in stats to differ between active clients and leases: - -- update_stats(leasecount, leases_online, whitelist_online, whitelist_total, blacklist_online, blacklist_total) later: + -- update_stats(leasecount, leases_online, whitelist_online, whitelist_total, blacklist_online, blacklist_total) later: update_stats(leases_online, whitelist_online, whitelist_total, blacklist_online, blacklist_total) uci:save("luci_splash_leases") |