RIOT-OS/RIOT
RIOT-OS/RIOT
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Account for padding in small packages in wireshark

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This commit is contained in:
Martin Lenders 2014-02-18 13:39:44 +01:00
parent b42496475a
commit 1258675171
1 changed files with 4 additions and 2 deletions
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6
dist/tools/wireshark_dissector/riot.lua vendored
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@ -12,6 +12,7 @@ do
local f_length = ProtoField.uint16("RIOT.length", "Length", base.DEC, nil)
local f_dst = ProtoField.uint16("RIOT.dst", "Destination", base.DEC, nil)
local f_src = ProtoField.uint16("RIOT.src", "Source", base.DEC, nil)
local f_pad = ProtoField.bytes("RIOT.pad", "Padding")
p_riot.fields = { f_length, f_dst, f_src }
@ -29,7 +30,7 @@ do
local dst = buf(2,2):uint()
local src = buf(4,2):uint()
if buf_len - 6 ~= packet_len then return false end
if packet_len >= 46 and buf_len - 6 ~= packet_len then return false end
riot_tree:append_text(", Dst: ")
riot_tree:append_text(dst)
@ -41,8 +42,9 @@ do
riot_tree:add(f_length, buf(0, 2))
riot_tree:add(f_dst, buf(2, 2))
riot_tree:add(f_src, buf(4, 2))
riot_tree:add(f_pad, buf(packet_len + 6))
next_dis:call(buf(6, packet_len):tvb(),pkt,root)
next_dis:call(buf(6, packet_len):tvb(), pkt, root)
return true
end