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wireshark/test/lua/pinfo.lua
Gerald Combs ef01359849 Add support for protocol aliases. Switch BOOTP to DHCP. 
Add support for aliasing one protocol name to another and for filtering
using aliased fields. Mark aliased fields as deprecated.

Rename the BOOTP dissector to DHCP and alias "bootp" to "dhcp". This
lets you use both "dhcp.type" and "bootp.type" as display filter fields
without having to duplicate all 500+ DHCP/BOOTP fields.

To do:
- Add checks to proto.c:check_valid_filter_name_or_fail?
- Transition SSL to TLS.
- Rename packet-bootp.c to packet-dhcp.c?

Change-Id: I29977859995e8347d80b8e83f1618db441b10279
Ping-Bug: 14922
Reviewed-on: https://code.wireshark.org/review/29327
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
2018-08-31 05:25:17 +00:00

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-- test script for Pinfo and Address functions
-- use with dhcp.pcap in test/captures directory
local major, minor, micro = get_version():match("(%d+)%.(%d+)%.(%d+)")
if major then
major = tonumber(major)
minor = tonumber(minor)
micro = tonumber(micro)
else
major = 99
minor = 99
micro = 99
end
------------- general test helper funcs ------------
local FRAME = "frame"
local OTHER = "other"
local packet_counts = {}
local function incPktCount(name)
if not packet_counts[name] then
packet_counts[name] = 1
else
packet_counts[name] = packet_counts[name] + 1
end
end
local function getPktCount(name)
return packet_counts[name] or 0
end
local passed = {}
local function setPassed(name)
if not passed[name] then
passed[name] = 1
else
passed[name] = passed[name] + 1
end
end
-- expected number of runs per type
-- note ip only runs 3 times because it gets removed
-- and dhcp only runs twice because the filter makes it run
-- once and then it gets replaced with a different one for the second time
local taptests = { [FRAME]=4, [OTHER]=0 }
local function getResults()
print("\n-----------------------------\n")
for k,v in pairs(taptests) do
if v ~= 0 and passed[k] ~= v then
print("Something didn't run or ran too much... tests failed!")
print("Listener type "..k.." expected: "..v..", but got: "..tostring(passed[k]))
return false
end
end
print("All tests passed!\n\n")
return true
end
local function testing(type,...)
print("---- Testing "..type.." ---- "..tostring(...).." for packet # "..getPktCount(type).." ----")
end
local function test(type,name, ...)
io.stdout:write("test "..type.."-->"..name.."-"..getPktCount(type).."...")
if (...) == true then
io.stdout:write("passed\n")
return true
else
io.stdout:write("failed!\n")
error(name.." test failed!")
end
end
---------
-- the following are so we can use pcall (which needs a function to call)
local function setPinfo(pinfo,name,value)
pinfo[name] = value
end
local function getPinfo(pinfo,name)
local foo = pinfo[name]
end
------------- test script ------------
----------------------------------
-- modify original test function, kinda sorta
local orig_test = test
test = function (...)
return orig_test(FRAME,...)
end
local tap = Listener.new()
function tap.packet(pinfo,tvb)
incPktCount(FRAME)
testing(FRAME,"Pinfo in Frame")
test("typeof-1", typeof(pinfo) == "Pinfo")
test("tostring-1", tostring(pinfo) == "a Pinfo")
testing(FRAME,"negative tests")
-- try to set read-only attributes
--[[
these tests *should* ALL pass, but currently pinfo read-only members
silently accept being set (though nothing happens) Blech!!
test("Pinfo.number-set-1",not pcall(setPinfo,pinfo,"number",0))
test("Pinfo.len-set-1",not pcall(setPinfo,pinfo,"len",0))
test("Pinfo.caplen-set-1",not pcall(setPinfo,pinfo,"caplen",0))
test("Pinfo.rel_ts-set-1",not pcall(setPinfo,pinfo,"rel_ts",0))
test("Pinfo.delta_ts-set-1",not pcall(setPinfo,pinfo,"delta_ts",0))
test("Pinfo.delta_dis_ts-set-1",not pcall(setPinfo,pinfo,"delta_dis_ts",0))
test("Pinfo.visited-set-1",not pcall(setPinfo,pinfo,"visited",0))
test("Pinfo.lo-set-1",not pcall(setPinfo,pinfo,"lo",0))
test("Pinfo.hi-set-1",not pcall(setPinfo,pinfo,"hi",0))
test("Pinfo.port_type-set-1",not pcall(setPinfo,pinfo,"port_type",0))
test("Pinfo.match-set-1",not pcall(setPinfo,pinfo,"match",0))
test("Pinfo.curr_proto-set-1",not pcall(setPinfo,pinfo,"curr_proto",0))
test("Pinfo.columns-set-1",not pcall(setPinfo,pinfo,"columns",0))
test("Pinfo.cols-set-1",not pcall(setPinfo,pinfo,"cols",0))
test("Pinfo.private-set-1",not pcall(setPinfo,pinfo,"private",0))
test("Pinfo.fragmented-set-1",not pcall(setPinfo,pinfo,"fragmented",0))
test("Pinfo.in_error_pkt-set-1",not pcall(setPinfo,pinfo,"in_error_pkt",0))
test("Pinfo.match_uint-set-1",not pcall(setPinfo,pinfo,"match_uint",0))
test("Pinfo.match_string-set-1",not pcall(setPinfo,pinfo,"match_string",0))
]]
-- wrong type being set
test("Pinfo.src-set-1",not pcall(setPinfo,pinfo,"src","foobar"))
test("Pinfo.dst-set-1",not pcall(setPinfo,pinfo,"dst","foobar"))
test("Pinfo.dl_src-set-1",not pcall(setPinfo,pinfo,"dl_src","foobar"))
test("Pinfo.dl_dst-set-1",not pcall(setPinfo,pinfo,"dl_dst","foobar"))
test("Pinfo.net_src-set-1",not pcall(setPinfo,pinfo,"net_src","foobar"))
test("Pinfo.net_dst-set-1",not pcall(setPinfo,pinfo,"net_dst","foobar"))
test("Pinfo.src_port-set-1",not pcall(setPinfo,pinfo,"src_port","foobar"))
test("Pinfo.dst_port-set-1",not pcall(setPinfo,pinfo,"dst_port","foobar"))
if major > 1 or minor > 10 then
test("Pinfo.can_desegment-set-1",not pcall(setPinfo,pinfo,"can_desegment","foobar"))
end
test("Pinfo.desegment_len-set-1",not pcall(setPinfo,pinfo,"desegment_len","foobar"))
test("Pinfo.desegment_offset-set-1",not pcall(setPinfo,pinfo,"desegment_offset","foobar"))
-- invalid attribute names
--[[
again, these *should* pass, but Pinfo silently allows it!
test("Pinfo.set-1",not pcall(setPinfo,pinfo,"foobar","foobar"))
test("Pinfo.get-12",not pcall(getPinfo,pinfo,"foobar"))
]]
testing(FRAME,"basic getter tests")
local pktlen, srcip, dstip, srcport, dstport
if pinfo.number == 1 or pinfo.number == 3 then
pktlen = 314
srcip = "0.0.0.0"
dstip = "255.255.255.255"
srcport = 68
dstport = 67
else
pktlen = 342
srcip = "192.168.0.1"
dstip = "192.168.0.10"
srcport = 67
dstport = 68
end
test("Pinfo.number-get-1",pinfo.number == getPktCount(FRAME))
test("Pinfo.len-get-1",pinfo.len == pktlen)
test("Pinfo.caplen-get-1",pinfo.caplen == pktlen)
test("Pinfo.visited-get-1",pinfo.visited == true)
test("Pinfo.lo-get-1",tostring(pinfo.lo) == srcip)
test("Pinfo.lo-get-2",typeof(pinfo.lo) == "Address")
test("Pinfo.hi-get-1",tostring(pinfo.hi) == dstip)
test("Pinfo.hi-get-2",typeof(pinfo.hi) == "Address")
test("Pinfo.port_type-get-1",pinfo.port_type == 3)
test("Pinfo.match-get-1",pinfo.match == 0)
test("Pinfo.curr_proto-get-1",tostring(pinfo.curr_proto) == "<Missing Protocol Name>")
test("Pinfo.columns-get-1",tostring(pinfo.columns) == "Columns")
test("Pinfo.columns-get-2",typeof(pinfo.columns) == "Columns")
test("Pinfo.cols-get-1",tostring(pinfo.cols) == "Columns")
test("Pinfo.cols-get-2",typeof(pinfo.cols) == "Columns")
test("Pinfo.private-get-1",type(pinfo.private) == "userdata")
test("Pinfo.fragmented-get-1",pinfo.fragmented == false)
test("Pinfo.in_error_pkt-get-1",pinfo.in_error_pkt == false)
test("Pinfo.match_uint-get-1",pinfo.match_uint == 0)
test("Pinfo.match_string-get-1",pinfo.match_string == nil)
test("Pinfo.src-get-1",tostring(pinfo.src) == srcip)
test("Pinfo.src-get-2",typeof(pinfo.src) == "Address")
test("Pinfo.dst-get-1",tostring(pinfo.dst) == dstip)
test("Pinfo.dst-get-2",typeof(pinfo.dst) == "Address")
test("Pinfo.dl_src-get-1",typeof(pinfo.dl_src) == "Address")
test("Pinfo.dl_dst-get-1",typeof(pinfo.dl_dst) == "Address")
test("Pinfo.net_src-get-1",tostring(pinfo.net_src) == srcip)
test("Pinfo.net_src-get-2",typeof(pinfo.net_src) == "Address")
test("Pinfo.net_dst-get-1",tostring(pinfo.net_dst) == dstip)
test("Pinfo.net_dst-get-2",typeof(pinfo.net_dst) == "Address")
test("Pinfo.src_port-get-1",pinfo.src_port == srcport)
test("Pinfo.dst_port-get-1",pinfo.dst_port == dstport)
if major > 1 or minor > 10 then
test("Pinfo.can_desegment-get-1",pinfo.can_desegment == 0)
end
test("Pinfo.desegment_len-get-1",pinfo.desegment_len == 0)
test("Pinfo.desegment_offset-get-1",pinfo.desegment_offset == 0)
if pinfo.number == 1 then
test("Pinfo.rel_ts-get-1",pinfo.rel_ts == 0)
test("Pinfo.delta_ts-get-1",pinfo.delta_ts == 0)
test("Pinfo.delta_dis_ts-get-1",pinfo.delta_dis_ts == 0)
elseif pinfo.number == 2 then
test("Pinfo.rel_ts-get-1",pinfo.rel_ts == 0.000295)
test("Pinfo.delta_ts-get-1",pinfo.delta_ts == 0.000295)
test("Pinfo.delta_dis_ts-get-1",pinfo.delta_dis_ts == 0.000295)
elseif pinfo.number == 3 then
test("Pinfo.rel_ts-get-1",pinfo.rel_ts == 0.070031)
test("Pinfo.delta_ts-get-1",pinfo.delta_ts == 0.069736)
test("Pinfo.delta_dis_ts-get-1",pinfo.delta_dis_ts == 0.069736)
elseif pinfo.number == 4 then
test("Pinfo.rel_ts-get-1",pinfo.rel_ts == 0.070345)
test("Pinfo.delta_ts-get-1",pinfo.delta_ts == 0.000314)
test("Pinfo.delta_dis_ts-get-1",pinfo.delta_dis_ts == 0.000314)
end
testing(FRAME,"basic setter tests")
local tmp = pinfo.src
pinfo.src = pinfo.dst
pinfo.dst = tmp
test("Pinfo.src-set-1",tostring(pinfo.src) == dstip)
test("Pinfo.src-set-1",typeof(pinfo.src) == "Address")
test("Pinfo.dst-set-1",tostring(pinfo.dst) == srcip)
test("Pinfo.dst-set-1",typeof(pinfo.dst) == "Address")
local dl_dst_val = tostring(pinfo.dl_dst)
local dl_src_val = tostring(pinfo.dl_src)
tmp = pinfo.dl_src
pinfo.dl_src = pinfo.dl_dst
pinfo.dl_dst = tmp
test("Pinfo.dl_src-set-1",tostring(pinfo.dl_src) == dl_dst_val)
test("Pinfo.dl_dst-set-1",tostring(pinfo.dl_dst) == dl_src_val)
tmp = pinfo.net_src
pinfo.net_src = pinfo.net_dst
pinfo.net_dst = tmp
test("Pinfo.net_src-set-1",tostring(pinfo.net_src) == dstip)
test("Pinfo.net_src-set-1",typeof(pinfo.net_src) == "Address")
test("Pinfo.net_dst-set-1",tostring(pinfo.net_dst) == srcip)
test("Pinfo.net_dst-set-1",typeof(pinfo.net_dst) == "Address")
--[[
--there's a bug 9792 causing the pinfo.dst_port setter to actually set src_port
tmp = pinfo.src_port
pinfo.src_port = pinfo.dst_port
pinfo.dst_port = tmp
test("Pinfo.src_port-set-1",pinfo.src_port == dstport)
test("Pinfo.dst_port-set-1",pinfo.dst_port == srcport)
--]]
pinfo.src_port = pinfo.dst_port
test("Pinfo.src_port-set-1",pinfo.src_port == dstport)
if major > 1 or minor > 10 then
pinfo.can_desegment = 12
test("Pinfo.can_desegment-set-1",pinfo.can_desegment == 12)
end
pinfo.desegment_len = 34
test("Pinfo.desegment_len-set-1",pinfo.desegment_len == 34)
pinfo.desegment_offset = 45
test("Pinfo.desegment_offset-set-1",pinfo.desegment_offset == 45)
testing(FRAME,"Address functions")
test("Address-eq-1", pinfo.lo == pinfo.dst)
test("Address-eq-2", pinfo.lo ~= pinfo.hi)
test("Address-lt-1", pinfo.lo < pinfo.hi)
test("Address-lt-2", pinfo.hi > pinfo.lo)
test("Address-le-1", pinfo.lo <= pinfo.hi)
test("Address-le-2", pinfo.lo <= pinfo.dst)
setPassed(FRAME)
end
function tap.draw()
getResults()
end
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