init

2022-03-17 15:55:27 +08:00
commit bd5a9fad97
92 changed files with 13861 additions and 0 deletions
--- a/script/im.lua
+++ b/script/im.lua
@@ -0,0 +1,82 @@
+local name = "im"
+local p_im = Proto(name, "im layer protocal");
+
+local f_pack_size = ProtoField.uint32(name .. ".packsize", "Packet Size", base.DEC)
+local f_header_len = ProtoField.uint16(name .. ".header", "Header Length", base.DEC)
+local f_version = ProtoField.uint16(name .. ".version", "Version", base.DEC)
+local f_option = ProtoField.uint32(name .. ".option", "Option", base.DEC)
+local f_seq = ProtoField.uint32(name .. ".seq", "Seq", base.DEC)
+local f_ack = ProtoField.uint32(name .. ".ack", "Ack", base.DEC)
+local f_data = ProtoField.bytes(name .. ".data", "Payload", FT_BYTES)
+
+p_im.fields = { f_pack_size,f_header_len,f_version,f_option,f_seq,f_ack,f_data }
+
+local option_name = {
+        [0] = 'Undefined',
+        [1] = 'Auth',
+        [2] = 'AuthReply',
+        [3] = 'Heartbeat',
+        [4] = 'HeartbeatReply',
+        [5] = 'Disconnect',
+        [6] = 'DisconnectReply',
+        [7] = 'SendMsg',
+        [8] = 'SendMsgReply',
+        [9] = 'ReceiveMsg',
+        [10] = 'ReceiveMsgReply',
+        [14] = 'SyncMsgReq',
+        [15] = 'SyncMsgReply'
+    }
+
+local dtalk_proto = Dissector.get("dtalk")
+local data_dis = Dissector.get("data")
+
+function p_im.dissector(buf, pkt, tree)
+        local offset = 0
+        local subtree = tree:add(p_im, buf())
+        pkt.cols.protocol = p_im.name
+
+        --packate size
+        local pkglen_tvbr = buf(offset, 4)
+        local pkglen = pkglen_tvbr:uint()
+        subtree:add(f_pack_size, pkglen_tvbr)
+        offset = offset + 4
+
+        if pkglen ~= buf:len() then
+                data_dis:call(buf(2):tvb(), pkt, tree)
+        else
+                --deal im parse
+                -- header Length
+                subtree:add(f_header_len, buf(offset, 2))
+                offset = offset + 2
+                --version
+                subtree:add(f_version, buf(offset, 2))
+                offset = offset + 2
+                --option
+                local opt_tvbr = buf(offset, 4)
+                local optcode = opt_tvbr:uint()
+                local opttree = subtree:add(f_option, opt_tvbr)
+                offset = offset + 4
+                opttree:append_text(' (' .. option_name[optcode] .. ') ')
+                pkt.private["dtalk_opt_type"] = optcode
+                --sequence
+                subtree:add(f_seq, buf(offset, 4))
+                offset = offset + 4
+                --acknowledge
+                subtree:add(f_ack, buf(offset, 4))
+                offset = offset + 4
+                --data
+                if buf:len()-offset > 0 then
+                        subtree:add(f_data, buf(offset, buf:len()-offset))
+                        --sub protocal
+                        if dtalk_proto ~= nil then
+                                dtalk_proto:call(buf(offset):tvb(), pkt, tree)
+                        end
+                else
+                        subtree:add('Payload:', 'empty')
+                end  
+        end
+end
+
+local websocket_table = DissectorTable.get("ws.port")
+
+websocket_table:add(3102, p_im)