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Add ICMP flow filter

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Closes #2498
This commit is contained in:
emanuele-f 2019-05-14 16:39:36 +02:00
parent d7765bb32d
commit 359d359d09
8 changed files with 121 additions and 73 deletions
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81
scripts/lua/modules/flow_utils.lua
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@ -1084,6 +1084,77 @@ end
-- #######################
local icmp_v4_msgs = {
{ 0, 0, i18n("icmp_v4_msgs.type_0_0_echo_reply") },
{ 3, 0, i18n("icmp_v4_msgs.type_3_0_destination_network_unreachable") },
{ 3, 1, i18n("icmp_v4_msgs.type_3_1_destination_host_unreachable") },
{ 3, 2, i18n("icmp_v4_msgs.type_3_2_destination_protocol_unreachable") },
{ 3, 3, i18n("icmp_v4_msgs.type_3_3_destination_port_unreachable") },
{ 3, 4, i18n("icmp_v4_msgs.type_3_4_fragmentation_required") },
{ 3, 6, i18n("icmp_v4_msgs.type_3_6_destination_network_unknown") },
{ 3, 7, i18n("icmp_v4_msgs.type_3_7_destination_host_unknown") },
{ 3, 0, i18n("icmp_v4_msgs.type_3_0_destination_unreachable") },
{ 4, 0, i18n("icmp_v4_msgs.type_4_0_source_quench") },
{ 5, 0, i18n("icmp_v4_msgs.type_5_0_redirect") },
{ 8, 0, i18n("icmp_v4_msgs.type_8_0_echo_request") },
{ 9, 0, i18n("icmp_v4_msgs.type_9_0_router_advertisement") },
{ 10, 0, i18n("icmp_v4_msgs.type_10_0_router_selection") },
{ 11, 0, i18n("icmp_v4_msgs.type_11_0_ttl_expired_in_transit") },
{ 11, 1, i18n("icmp_v4_msgs.type_11_1_fragment_reassembly_time_exceeded") },
{ 12, 0, i18n("icmp_v4_msgs.type_12_0_parameter_problem") },
{ 13, 0, i18n("icmp_v4_msgs.type_13_0_timestamp_request") },
{ 14, 0, i18n("icmp_v4_msgs.type_14_0_timestamp_reply") },
{ 15, 0, i18n("icmp_v4_msgs.type_15_0_information_request") },
{ 16, 0, i18n("icmp_v4_msgs.type_16_0_information_reply") },
{ 17, 0, i18n("icmp_v4_msgs.type_17_0_address_mask_request") },
{ 18, 0, i18n("icmp_v4_msgs.type_18_0_address_mask_reply") },
{ 30, 0, i18n("icmp_v4_msgs.type_30_0_traceroute") },
}
local icmp_v6_msgs = {
{ 1, 0, i18n("icmp_v6_msgs.type_1_0_destination_unreachable") },
{ 2, 0, i18n("icmp_v6_msgs.type_2_0_packet_too_big") },
{ 3, 0, i18n("icmp_v6_msgs.type_3_0_hop_limit_exceeded_in_transit") },
{ 3, 1, i18n("icmp_v6_msgs.type_3_1_fragment_reassembly_time_exceeded") },
{ 4, 0, i18n("icmp_v6_msgs.type_4_0_parameter_problem") },
{ 128, 0, i18n("icmp_v6_msgs.type_128_0_echo_request") },
{ 129, 0, i18n("icmp_v6_msgs.type_129_0_echo_reply") },
{ 133, 0, i18n("icmp_v6_msgs.type_133_0_router_solicitation") },
{ 134, 0, i18n("icmp_v6_msgs.type_134_0_router_advertisement") },
{ 135, 0, i18n("icmp_v6_msgs.type_135_0_neighbor_solicitation") },
{ 136, 0, i18n("icmp_v6_msgs.type_136_0_neighbor_advertisement") },
}
function get_icmp_label(icmp_type, icmp_value, is_v4)
local what, label
if(is_v4) then
what = icmp_v4_msgs
label = "ICMPv4"
else
what = icmp_v6_msgs
label = "ICMPv6"
end
for _, k in pairs(what) do
local i_type = tostring(k[1])
local i_value = tostring(k[2])
local i_msg = k[3]
-- print(i_type.."/"..icmp_type.."<br>\n")
if(i_type == icmp_type) then
-- print("))"..i_type.."/"..icmp_type.."<br>\n")
if(i_value == icmp_value) then
return(i_msg)
end
end
end
return(label.." [type: "..icmp_type.."][value: "..icmp_value.."]")
end
-- #######################
function extractSIPCaller(caller)
local i
local j
@ -2257,6 +2328,16 @@ function getFlowsTableTitle()
active_msg = active_msg .. " ["..i18n("containers_stats.pod").." ".. shortenString(_GET["pod"]) .."]"
end
if((_GET["icmp_type"] ~= nil) and (_GET["icmp_cod"] ~= nil)) then
local is_v4 = true
if(_GET["version"] ~= nil) then
is_v4 = (_GET["version"] == "4")
end
local icmo_label = get_icmp_label(_GET["icmp_type"], _GET["icmp_cod"], is_v4)
active_msg = active_msg .. " ["..icmo_label.."]"
end
if(_GET["tcp_flow_state"] ~= nil) then
active_msg = active_msg .. " ["..tcp_flow_state_utils.state2i18n(_GET["tcp_flow_state"]).."]"
end