Wireshark dissector for Pro DJ Link protocol
file ext hints & blob continuations print nicer
+12
-5
+12
-5
pro_dj_link.lua
+12
-5
pro_dj_link.lua
···
407
407
[1] = "DMST",
408
408
[2] = "Rekordbox ID",
409
409
[3] = "Tag",
410
-
[4] = "Extension (Blob)"
410
+
[4] = "Extension"
411
411
}
412
412
return labels[arg_idx]
413
413
elseif msg_type == 0x2102 then -- GetTrackStreamingReq
···
531
531
item:set_text(prefix .. ": " .. MENU_ITEM_TYPES[val] .. " (0x" .. string.format("%04x", val) .. ")")
532
532
elseif label == "Tag" and ANALYSIS_TAGS[val] then
533
533
item:set_text(prefix .. ": " .. ANALYSIS_TAGS[val] .. " (0x" .. string.format("%08x", val) .. ")")
534
+
elseif label == "Extension" then
535
+
local b = buf(offset+1, 4):bytes()
536
+
local s = ""
537
+
for j = 3, 0, -1 do
538
+
local c = b:get_index(j)
539
+
if c ~= 0 then s = s .. string.char(c) end
540
+
end
541
+
item:set_text(prefix .. ": \"" .. s .. "\" (0x" .. string.format("%08x", val) .. ")")
534
542
else
535
543
item:set_text(prefix .. ": " .. val .. " (0x" .. string.format("%08x", val) .. ")")
536
544
end
···
610
618
611
619
local cont_len = (next_msg == -1) and length or next_msg
612
620
local pdjl_tree = root:add(p_djl, buf(0, cont_len))
613
-
pdjl_tree:set_text("Pro DJ Link (DB Continuation)")
614
-
pdjl_tree:add(f_raw_payload, buf(0, cont_len)):set_text("PDJL Continuation / Blob Chunk")
621
+
pdjl_tree:set_text("Pro DJ Link (Blob Chunk)")
615
622
table.insert(db_types, "Blob Continuation")
616
623
found_db = true
617
624
off = cont_len
···
966
973
if (src_port == 12523 or dst_port == 12523) then
967
974
if length == 2 then
968
975
local tree = root:add(p_djl, buf(0, 2))
969
-
pkt.cols.protocol = "PDJL (DB Port)"
976
+
pkt.cols.protocol = "Pro DJ Link (DB Port)"
970
977
pkt.cols.info:set("Port Discovery Response")
971
978
tree:add(f_db_port, buf(0, 2))
972
979
return true
973
980
elseif (length == 15 and buf(0, 1):uint() == 0x52) or (length == 19 and buf(0, 4):uint() == 0x0000000f) then
974
981
local tree = root:add(p_djl, buf(0, length))
975
-
pkt.cols.protocol = "PDJL (DB Port)"
982
+
pkt.cols.protocol = "Pro DJ Link (DB Port)"
976
983
pkt.cols.info:set("Port Discovery Request")
977
984
tree:add(f_raw_payload, buf(0, length)):set_text("Discovery Request: RemoteDBServer")
978
985
return true