-- @return Table with the currently tracked IP connections
function net.conntrack()
local connt = {}
- if luci.fs.access("/proc/net/nf_conntrack") then
+ if luci.fs.access("/proc/net/nf_conntrack", "r") then
for line in io.lines("/proc/net/nf_conntrack") do
+ line = line:match "^(.-( [^ =]+=).-)%2"
local entry, flags = _parse_mixed_record(line, " +")
entry.layer3 = flags[1]
- entry.layer4 = flags[2]
+ entry.layer4 = flags[3]
for i=1, #entry do
entry[i] = nil
end
connt[#connt+1] = entry
end
- elseif luci.fs.access("/proc/net/ip_conntrack") then
+ elseif luci.fs.access("/proc/net/ip_conntrack", "r") then
for line in io.lines("/proc/net/ip_conntrack") do
+ line = line:match "^(.-( [^ =]+=).-)%2"
local entry, flags = _parse_mixed_record(line, " +")
entry.layer3 = "ipv4"
entry.layer4 = flags[1]
-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
-- "flags", "device" }
function net.defaultroute6()
- local route = nil
- for _, r in pairs(net.routes6()) do
- if r.dest:prefix() == 0 and (not route or route.metric > r.metric) then
- route = r
+ local route = nil
+ local routes6 = net.routes6()
+ if routes6 then
+ for _, r in pairs(routes6) do
+ if r.dest:prefix() == 0 and
+ (not route or route.metric > r.metric)
+ then
+ route = r
+ end
end
end
return route
-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
-- "flags", "device" }
function net.routes6()
- local routes = { }
+ if luci.fs.access("/proc/net/ipv6_route", "r") then
+ local routes = { }
+
+ for line in io.lines("/proc/net/ipv6_route") do
+
+ local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
+ metric, refcnt, usecnt, flags, dev = line:match(
+ "([a-f0-9]+) ([a-f0-9]+) " ..
+ "([a-f0-9]+) ([a-f0-9]+) " ..
+ "([a-f0-9]+) ([a-f0-9]+) " ..
+ "([a-f0-9]+) ([a-f0-9]+) " ..
+ "([a-f0-9]+) +([^%s]+)"
+ )
- for line in io.lines("/proc/net/ipv6_route") do
+ src_ip = luci.ip.Hex(
+ src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
+ )
- local dst_ip, dst_prefix, src_ip, src_prefix, nexthop,
- metric, refcnt, usecnt, flags, dev = line:match(
- "([a-f0-9]+) ([a-f0-9]+) " ..
- "([a-f0-9]+) ([a-f0-9]+) " ..
- "([a-f0-9]+) ([a-f0-9]+) " ..
- "([a-f0-9]+) ([a-f0-9]+) " ..
- "([a-f0-9]+) +([^%s]+)"
- )
+ dst_ip = luci.ip.Hex(
+ dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
+ )
- src_ip = luci.ip.Hex(
- src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
- )
+ nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
- dst_ip = luci.ip.Hex(
- dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
- )
+ routes[#routes+1] = {
+ source = src_ip,
+ dest = dst_ip,
+ nexthop = nexthop,
+ metric = tonumber(metric, 16),
+ refcount = tonumber(refcnt, 16),
+ usecount = tonumber(usecnt, 16),
+ flags = tonumber(flags, 16),
+ device = dev
+ }
+ end
- nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
-
- routes[#routes+1] = {
- source = src_ip,
- dest = dst_ip,
- nexthop = nexthop,
- metric = tonumber(metric, 16),
- refcount = tonumber(refcnt, 16),
- usecount = tonumber(usecnt, 16),
- flags = tonumber(flags, 16),
- device = dev
- }
+ return routes
end
-
- return routes
end
--- Tests whether the given host responds to ping probes.
for i, l in pairs(luci.util.split(luci.util.trim(cnt), "\n")) do
for j, f in pairs(luci.util.split(luci.util.trim(l), delimiter, nil, true)) do
- local k, x, v = f:match('([^%s][^:=]+) *([:=]*) *"*([^\n"]*)"*')
+ local k, x, v = f:match('([^%s][^:=]*) *([:=]*) *"*([^\n"]*)"*')
if k then
if x == "" then