-- @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]
return connt
end
---- Determine the current default route.
+--- Determine the current IPv4 default route. If multiple default routes exist,
+-- return the one with the lowest metric.
-- @return Table with the properties of the current default route.
-- The following fields are defined:
--- { "Mask", "RefCnt", "Iface", "Flags", "Window", "IRTT",
--- "MTU", "Gateway", "Destination", "Metric", "Use" }
+-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
+-- "flags", "device" }
function net.defaultroute()
- local routes = net.routes()
local route = nil
-
- for i, r in pairs(luci.sys.net.routes()) do
- if r.Destination == "00000000" and (not route or route.Metric > r.Metric) then
+ for _, r in pairs(net.routes()) do
+ if r.dest:prefix() == 0 and (not route or route.metric > r.metric) then
route = r
end
end
+ return route
+end
+--- Determine the current IPv6 default route. If multiple default routes exist,
+-- return the one with the lowest metric.
+-- @return Table with the properties of the current default route.
+-- The following fields are defined:
+-- { "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
+ end
+ end
return route
end
--- Returns the current kernel routing table entries.
-- @return Table of tables with properties of the corresponding routes.
-- The following fields are defined for route entry tables:
--- { "Mask", "RefCnt", "Iface", "Flags", "Window", "IRTT",
--- "MTU", "Gateway", "Destination", "Metric", "Use" }
+-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt",
+-- "flags", "device" }
function net.routes()
- return _parse_delimited_table(io.lines("/proc/net/route"))
+ local routes = { }
+
+ for line in io.lines("/proc/net/route") do
+
+ local dev, dst_ip, gateway, flags, refcnt, usecnt, metric,
+ dst_mask, mtu, win, irtt = line:match(
+ "([^%s]+)\t([A-F0-9]+)\t([A-F0-9]+)\t([A-F0-9]+)\t" ..
+ "(%d+)\t(%d+)\t(%d+)\t([A-F0-9]+)\t(%d+)\t(%d+)\t(%d+)"
+ )
+
+ if dev then
+ gateway = luci.ip.Hex( gateway, 32, luci.ip.FAMILY_INET4 )
+ dst_mask = luci.ip.Hex( dst_mask, 32, luci.ip.FAMILY_INET4 )
+ dst_ip = luci.ip.Hex(
+ dst_ip, dst_mask:prefix(dst_mask), luci.ip.FAMILY_INET4
+ )
+
+ routes[#routes+1] = {
+ dest = dst_ip,
+ gateway = gateway,
+ metric = tonumber(metric),
+ refcount = tonumber(refcnt),
+ usecount = tonumber(usecnt),
+ mtu = tonumber(mtu),
+ window = tonumber(window),
+ irtt = tonumber(irtt),
+ flags = tonumber(flags, 16),
+ device = dev
+ }
+ end
+ end
+
+ return routes
end
--- Returns the current ipv6 kernel routing table entries.
-- @return Table of tables with properties of the corresponding routes.
-- The following fields are defined for route entry tables:
--- { "src_ip", "src_prefix", "dst_ip", "dst_prefix", "nexthop_ip",
--- "metric", "refcount", "usecount", "flags", "device" }
+-- { "source", "dest", "nexthop", "metric", "refcount", "usecount",
+-- "flags", "device" }
function net.routes6()
- 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]+) " ..
- "(%d+) (%d+) ([^%s]+) +([^%s]+)"
- )
-
- src_ip = luci.ip.Hex(
- src_ip, tonumber(src_prefix, 16),
- luci.ip.FAMILY_INET6, false
- )
-
- dst_ip = luci.ip.Hex(
- dst_ip, tonumber(dst_prefix, 16),
- luci.ip.FAMILY_INET6, false
- )
-
- nexthop = luci.ip.Hex( nexthop, 128, luci.ip.FAMILY_INET6, false )
-
- routes[#routes+1] = {
- src_ip = src_ip:host():string(),
- src_prefix = src_ip:prefix(),
- dst_ip = dst_ip:host():string(),
- dst_prefix = dst_ip:prefix(),
- nexthop_ip = nexthop:string(),
- metric = tonumber(metric, 16),
- refcount = tonumber(refcnt),
- usecount = tonumber(usecnt),
- flags = tonumber(flags), -- hex?
- device = dev
- }
- end
+ 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]+)"
+ )
+
+ src_ip = luci.ip.Hex(
+ src_ip, tonumber(src_prefix, 16), luci.ip.FAMILY_INET6, false
+ )
+
+ dst_ip = luci.ip.Hex(
+ dst_ip, tonumber(dst_prefix, 16), luci.ip.FAMILY_INET6, false
+ )
+
+ 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
+ }
+ end
return routes
end
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 k then
if x == "" then
table.insert(flags, k)
else
- data[k] = v
+ data[k] = v
end
- end
- end
+ end
+ end
end
- return data, flags
+ return data, flags
end
projects / project / luci.git / blobdiff