-p_nsdp=Proto("nsdp", "Netgear Switch Description Protocol")
-
-local f_version=ProtoField.uint8("nsdp.version", "Version", base.DEC)
-local f_code=ProtoField.uint8("nsdp.code", "Operation Code", base.DEC)
-local f_error=ProtoField.uint8("nsdp.error", "Error Code", base.DEC)
-local f_errattr=ProtoField.uint16("nsdp.errattr", "Erroneous Attribute", base.HEX)
-local f_clientmac=ProtoField.ether("nsdp.clientmac", "Client MAC")
-local f_switchmac=ProtoField.ether("nsdp.switchmac", "Switch MAC")
-local f_seqnum=ProtoField.uint32("nsdp.seqnum", "Sequence Number", base.DEC)
-
-p_nsdp.fields={
- f_version, f_code, f_error, f_errattr, f_clientmac, f_switchmac, f_seqnum
+p_nsdp = Proto("nsdp", "Netgear Switch Description Protocol")
+
+local f_version = ProtoField.uint8("nsdp.version", "Version", base.DEC)
+local f_code = ProtoField.uint8("nsdp.code", "Operation Code", base.DEC)
+local f_error = ProtoField.uint8("nsdp.error", "Error Code", base.DEC)
+local f_errattr = ProtoField.uint16("nsdp.errattr", "Erroneous Attribute", base.HEX)
+local f_clientmac = ProtoField.ether("nsdp.clientmac", "Client MAC")
+local f_switchmac = ProtoField.ether("nsdp.switchmac", "Switch MAC")
+local f_seqnum = ProtoField.uint32("nsdp.seqnum", "Sequence Number", base.DEC)
+
+p_nsdp.fields = {
+ f_version,
+ f_code,
+ f_error,
+ f_errattr,
+ f_clientmac,
+ f_switchmac,
+ f_seqnum
}
-
-
-local op_codes={
- [1]="Read Request",
- [2]="Read Reply",
- [3]="Write Request",
- [4]="Write Reply"
+local op_codes = {
+ [1] = "Read Request",
+ [2] = "Read Reply",
+ [3] = "Write Request",
+ [4] = "Write Reply"
}
-local error_codes={
- [0]="OK",
- [5]="Invalid Value",
- [7]="Access Denied"
+local error_codes = {
+ [0] = "OK",
+ [5] = "Invalid Value",
+ [7] = "Access Denied"
}
-local status_codes={
- [0]="down",
- [1]="10M",
- [4]="100M",
- [5]="1000M"
+local status_codes = {
+ [0] = "down",
+ [1] = "10M",
+ [4] = "100M",
+ [5] = "1000M"
}
-local bitrates_codes={
- [0]="unlimited",
- [1]="512K",
- [2]="1M",
- [3]="2M",
- [4]="4M",
- [5]="8M",
- [6]="16M",
- [7]="32M",
- [8]="64M",
- [9]="128M",
- [10]="256M",
- [11]="512M"
+local bitrates_codes = {
+ [0] = "unlimited",
+ [1] = "512K",
+ [2] = "1M",
+ [3] = "2M",
+ [4] = "4M",
+ [5] = "8M",
+ [6] = "16M",
+ [7] = "32M",
+ [8] = "64M",
+ [9] = "128M",
+ [10] = "256M",
+ [11] = "512M"
}
-local vlan_type_codes={
- [1]="port basic",
- [2]="port advanced",
- [3]="802.1Q basic",
- [4]="802.1Q advanced"
+local vlan_type_codes = {
+ [1] = "port basic",
+ [2] = "port advanced",
+ [3] = "802.1Q basic",
+ [4] = "802.1Q advanced"
}
-local qos_type_codes={
- [1]="port based",
- [2]="802.1p"
+local qos_type_codes = {
+ [1] = "port based",
+ [2] = "802.1p"
}
-local prio_codes={
- [1]="high",
- [2]="medium",
- [3]="normal",
- [4]="low"
+local prio_codes = {
+ [1] = "high",
+ [2] = "medium",
+ [3] = "normal",
+ [4] = "low"
}
-local function dissect_port_statistics (buffer, offset, subtree)
-
- subtree:add(buffer(offset+4, 1), string.format("Port: %i", buffer(offset+4, 1):uint()))
- subtree:add(buffer(offset+4+1+8*0, 8), "Received:", tostring(buffer(offset+4+1+8*0, 8):uint64()))
- subtree:add(buffer(offset+4+1+8*1, 8), "Sent: ", tostring(buffer(offset+4+1+8*1, 8):uint64()))
- subtree:add(buffer(offset+4+1+8*5, 8), "CRC Errors:", tostring(buffer(offset+4+1+8*5, 8):uint64()))
-
+local function dissect_port_statistics(buffer, offset, subtree)
+ subtree:add(buffer(offset + 4, 1), string.format("Port: %i", buffer(offset + 4, 1):uint()))
+ subtree:add(buffer(offset + 4 + 1 + 8 * 0, 8), "Received:", tostring(buffer(offset + 4 + 1 + 8 * 0, 8):uint64()))
+ subtree:add(buffer(offset + 4 + 1 + 8 * 1, 8), "Sent: ", tostring(buffer(offset + 4 + 1 + 8 * 1, 8):uint64()))
+ subtree:add(buffer(offset + 4 + 1 + 8 * 5, 8), "CRC Errors:", tostring(buffer(offset + 4 + 1 + 8 * 5, 8):uint64()))
end
-
-local function dissect_port_status (buffer, offset, subtree)
-
- local st=buffer(offset+5, 1):uint()
- subtree:add(buffer(offset+4, 1), string.format("Port: %i", buffer(offset+4, 1):uint()))
- subtree:add(buffer(offset+5, 1), string.format("Status: %i (%s)", st, status_codes[st] or "unk"))
-
+local function dissect_port_status(buffer, offset, subtree)
+ local st = buffer(offset + 5, 1):uint()
+ subtree:add(buffer(offset + 4, 1), string.format("Port: %i", buffer(offset + 4, 1):uint()))
+ subtree:add(buffer(offset + 5, 1), string.format("Status: %i (%s)", st, status_codes[st] or "unk"))
end
-
-local function dissect_qos_type (buffer, offset, subtree)
-
- local t=buffer(offset+4, 1):uint()
- subtree:add(buffer(offset+4, 1), string.format("QoS Type: %i (%s)", t, qos_type_codes[t] or "unk"))
-
+local function dissect_qos_type(buffer, offset, subtree)
+ local t = buffer(offset + 4, 1):uint()
+ subtree:add(buffer(offset + 4, 1), string.format("QoS Type: %i (%s)", t, qos_type_codes[t] or "unk"))
end
-
-local function dissect_qos_config (buffer, offset, subtree)
-
- local p=buffer(offset+5, 1):uint()
- subtree:add(buffer(offset+4, 1), string.format("Port: %i", buffer(offset+4, 1):uint()))
- subtree:add(buffer(offset+5, 1), string.format("Priority: %i (%s)", p, prio_codes[p] or "unk"))
-
+local function dissect_qos_config(buffer, offset, subtree)
+ local p = buffer(offset + 5, 1):uint()
+ subtree:add(buffer(offset + 4, 1), string.format("Port: %i", buffer(offset + 4, 1):uint()))
+ subtree:add(buffer(offset + 5, 1), string.format("Priority: %i (%s)", p, prio_codes[p] or "unk"))
end
-
-local function dissect_bitrate (buffer, offset, subtree)
-
- local sp=buffer(offset+5, 4):uint()
- subtree:add(buffer(offset+4, 1), string.format("Port: %i", buffer(offset+4, 1):uint()))
- subtree:add(buffer(offset+5, 4), string.format("Speed: %i (%s)", sp, bitrates_codes[sp] or "unk"))
-
+local function dissect_bitrate(buffer, offset, subtree)
+ local sp = buffer(offset + 5, 4):uint()
+ subtree:add(buffer(offset + 4, 1), string.format("Port: %i", buffer(offset + 4, 1):uint()))
+ subtree:add(buffer(offset + 5, 4), string.format("Speed: %i (%s)", sp, bitrates_codes[sp] or "unk"))
end
-
-local function dissect_vlan_type (buffer, offset, subtree)
-
- local vt=buffer(offset+4, 1):uint()
- subtree:add(buffer(offset+4, 1), string.format("VLAN Type: %i (%s)", vt, vlan_type_codes[vt] or "unk"))
-
+local function dissect_vlan_type(buffer, offset, subtree)
+ local vt = buffer(offset + 4, 1):uint()
+ subtree:add(buffer(offset + 4, 1), string.format("VLAN Type: %i (%s)", vt, vlan_type_codes[vt] or "unk"))
end
-
-local function parse_ports (val)
-
- local ports=""
-
- for i=8,1,-1 do
- if ( val%2==1 ) then
- ports=ports..i.." "
- end
- val=math.floor(val/2)
- end
-
- return ports
-
+local function parse_ports(val)
+ local ports = ""
+
+ for i = 8, 1, -1 do
+ if (val % 2 == 1) then
+ ports = ports..i.." "
+ end
+ val = math.floor(val / 2)
+ end
+
+ return ports
end
-
-local function dissect_vlan_port_conf (buffer, offset, subtree)
-
- subtree:add(buffer(offset+4, 2), string.format("VLAN: %u", buffer(offset+4, 2):uint()))
-
- if ( buffer(offset+2, 2):uint()>=3 ) then
- subtree:add(buffer(offset+6, 1), "Ports:", parse_ports(buffer(offset+6, 1):uint()))
- end
-
+local function dissect_vlan_port_conf(buffer, offset, subtree)
+ subtree:add(buffer(offset + 4, 2), string.format("VLAN: %u", buffer(offset + 4, 2):uint()))
+
+ if (buffer(offset + 2, 2):uint() >= 3) then
+ subtree:add(buffer(offset + 6, 1), "Ports:", parse_ports(buffer(offset + 6, 1):uint()))
+ end
end
-
-local function dissect_vlan_8021q_conf (buffer, offset, subtree)
-
- subtree:add(buffer(offset+4, 2), string.format("VLAN: %u", buffer(offset+4, 2):uint()))
-
- if ( buffer(offset+2, 2):uint()>=4 ) then
- subtree:add(buffer(offset+6, 1), "Ports:", parse_ports(buffer(offset+6, 1):uint()))
- subtree:add(buffer(offset+7, 1), "Tagged Ports:", parse_ports(buffer(offset+7, 1):uint()))
- end
-
+local function dissect_vlan_8021q_conf(buffer, offset, subtree)
+ subtree:add(buffer(offset + 4, 2), string.format("VLAN: %u", buffer(offset + 4, 2):uint()))
+
+ if (buffer(offset + 2, 2):uint() >= 4) then
+ subtree:add(buffer(offset + 6, 1), "Ports:", parse_ports(buffer(offset + 6, 1):uint()))
+ subtree:add(buffer(offset + 7, 1), "Tagged Ports:", parse_ports(buffer(offset + 7, 1):uint()))
+ end
end
-
-local function dissect_vlan_pvid (buffer, offset, subtree)
-
- subtree:add(buffer(offset+4, 1), string.format("Port: %i", buffer(offset+4, 1):uint()))
- subtree:add(buffer(offset+5, 2), string.format("VLAN: %u", buffer(offset+5, 2):uint()))
-
+local function dissect_vlan_pvid(buffer, offset, subtree)
+ subtree:add(buffer(offset + 4, 1), string.format("Port: %i", buffer(offset + 4, 1):uint()))
+ subtree:add(buffer(offset + 5, 2), string.format("VLAN: %u", buffer(offset + 5, 2):uint()))
end
-
-local function dissect_mirror (buffer, offset, subtree)
-
- local op=buffer(offset+4, 1):uint()
-
- if ( op==0 ) then
- subtree:add(buffer(offset+4, 1), "Disabled")
- else
- subtree:add(buffer(offset+4, 1), "Output Port:", op)
- subtree:add(buffer(offset+6, 1), "Ports:", parse_ports(buffer(offset+6, 1):uint()))
- end
-
+local function dissect_mirror(buffer, offset, subtree)
+ local op = buffer(offset + 4, 1):uint()
+
+ if (op == 0) then
+ subtree:add(buffer(offset + 4, 1), "Disabled")
+ else
+ subtree:add(buffer(offset + 4, 1), "Output Port:", op)
+ subtree:add(buffer(offset + 6, 1), "Ports:", parse_ports(buffer(offset + 6, 1):uint()))
+ end
end
-
-local function dissect_igmp_enablevlan (buffer, offset, subtree)
-
- subtree:add(buffer(offset+4, 2), string.format("Enable: %u", buffer(offset+4, 2):uint()))
- subtree:add(buffer(offset+6, 2), string.format("VLAN: %u", buffer(offset+6, 2):uint()))
-
+local function dissect_igmp_enablevlan(buffer, offset, subtree)
+ subtree:add(buffer(offset + 4, 2), string.format("Enable: %u", buffer(offset + 4, 2):uint()))
+ subtree:add(buffer(offset + 6, 2), string.format("VLAN: %u", buffer(offset + 6, 2):uint()))
end
-
-
-local attributes={
- [0x0001]={name="Product", dissect="string"},
- [0x0003]={name="Name", dissect="string"},
- [0x0004]={name="MAC", dissect="ether"},
- [0x0006]={name="IP", dissect="ipv4"},
- [0x0007]={name="Mask", dissect="ipv4"},
- [0x0008]={name="Gateway", dissect="ipv4"},
- [0x0009]={name="New Password", dissect="string"},
- [0x000A]={name="Password", dissect="string"},
- [0x000B]={name="DHCP", dissect="uint"},
- [0x000D]={name="Firmware Version", dissect="string"},
- [0x0010]={name="Firmware Upgrade", dissect="uint"},
- [0x0013]={name="Restart", dissect="uint"},
- [0x0400]={name="Defaults", dissect="uint"},
- [0x0C00]={name="Port Status", dissect=dissect_port_status},
- [0x1000]={name="Port Statistics", dissect=dissect_port_statistics},
- [0x1400]={name="Reset Ports Statistics", dissect="uint"},
- [0x1800]={name="Cabletest Do", dissect=nil},
- [0x1C00]={name="Cabletest Result", dissect=nil},
- [0x2000]={name="VLAN Type", dissect=dissect_vlan_type},
- [0x2400]={name="VLAN Port Conf", dissect=dissect_vlan_port_conf},
- [0x2800]={name="VLAN 802.1Q Conf", dissect=dissect_vlan_8021q_conf},
- [0x2C00]={name="Destroy VLAN", dissect="uint"},
- [0x3000]={name="VLAN PVID", dissect=dissect_vlan_pvid},
- [0x3400]={name="QoS Type", dissect=dissect_qos_type},
- [0x3800]={name="QoS Config", dissect=dissect_qos_config},
- [0x4C00]={name="Input Bitrate", dissect=dissect_bitrate},
- [0x5000]={name="Output Bitrate", dissect=dissect_bitrate},
- [0x5400]={name="Broadcast Filtering State", dissect="uint"},
- [0x5800]={name="Broadcast Filtering Bitrate", dissect=dissect_bitrate},
- [0x5C00]={name="Mirror", dissect=dissect_mirror},
- [0x6000]={name="Ports Count", dissect="uint"},
- [0x6400]={name="Max 802.1Q VLAN Group", dissect=nil},
- [0x6800]={name="IGMP Enable & VLAN", dissect=dissect_igmp_enablevlan},
- [0x6C00]={name="Block Unknown IGMP Addresses", dissect="uint"},
- [0x7000]={name="Validate IGMPv3 Headers", dissect="uint"},
- [0x7400]={name="TLV Bitmap", dissect=nil},
- [0xFFFF]={name="End", dissect=nil}
+local attributes = {
+ [0x0001] = {name = "Product", dissect = "string"},
+ [0x0003] = {name = "Name", dissect = "string"},
+ [0x0004] = {name = "MAC", dissect = "ether"},
+ [0x0006] = {name = "IP", dissect = "ipv4"},
+ [0x0007] = {name = "Mask", dissect = "ipv4"},
+ [0x0008] = {name = "Gateway", dissect = "ipv4"},
+ [0x0009] = {name = "New Password", dissect = "string"},
+ [0x000A] = {name = "Password", dissect = "string"},
+ [0x000B] = {name = "DHCP", dissect = "uint"},
+ [0x000D] = {name = "Firmware Version", dissect = "string"},
+ [0x0010] = {name = "Firmware Upgrade", dissect = "uint"},
+ [0x0013] = {name = "Restart", dissect = "uint"},
+ [0x0400] = {name = "Defaults", dissect = "uint"},
+ [0x0C00] = {name = "Port Status", dissect = dissect_port_status},
+ [0x1000] = {name = "Port Statistics", dissect = dissect_port_statistics},
+ [0x1400] = {name = "Reset Ports Statistics", dissect = "uint"},
+ [0x1800] = {name = "Cabletest Do", dissect = nill},
+ [0x1C00] = {name = "Cabletest Result", dissect = nill},
+ [0x2000] = {name = "VLAN Type", dissect=dissect_vlan_type},
+ [0x2400] = {name = "VLAN Port Conf", dissect=dissect_vlan_port_conf},
+ [0x2800] = {name = "VLAN 802.1Q Conf", dissect=dissect_vlan_8021q_conf},
+ [0x2C00] = {name = "Destroy VLAN", dissect = "uint"},
+ [0x3000] = {name = "VLAN PVID", dissect = dissect_vlan_pvid},
+ [0x3400] = {name = "QoS Type", dissect = dissect_qos_type},
+ [0x3800] = {name = "QoS Config", dissect = dissect_qos_config},
+ [0x4C00] = {name = "Input Bitrate", dissect = dissect_bitrate},
+ [0x5000] = {name = "Output Bitrate", dissect = dissect_bitrate},
+ [0x5400] = {name = "Broadcast Filtering State", dissect = "uint"},
+ [0x5800] = {name = "Broadcast Filtering Bitrate", dissect = dissect_bitrate},
+ [0x5C00] = {name = "Mirror", dissect = dissect_mirror},
+ [0x6000] = {name = "Ports Count", dissect = "uint"},
+ [0x6400] = {name = "Max 802.1Q VLAN Group", dissect = nill},
+ [0x6800] = {name = "IGMP Enable & VLAN", dissect = dissect_igmp_enablevlan},
+ [0x6C00] = {name = "Block Unknown IGMP Addresses", dissect = "uint"},
+ [0x7000] = {name = "Validate IGMPv3 Headers", dissect = "uint"},
+ [0x7400] = {name = "TLV Bitmap", dissect = nill},
+ [0xFFFF] = {name = "End", dissect = nill}
}
-
-
-
-local function dissect_header (buffer, subtree)
-
- subtree:add(f_version, buffer(0, 1))
-
- subtree:add(f_code, buffer(1, 1)):append_text(" ("..(op_codes[buffer(1, 1):uint()] or "unknown")..")")
-
- local errcode=buffer(2, 1):uint()
- local errattr=buffer(4, 2):uint()
- subtree:add(f_error, buffer(2, 1)):append_text(" ("..(error_codes[errcode] or "unknown")..")")
-
- -- add the erroneous attribute only if an error occurred
- if ( errattr~=0 ) then
- local atf=attributes[errattr]
- subtree:add(f_errattr, buffer(4, 2)):append_text(" ("..(atf and atf.name or "unk")..")")
- end
-
- subtree:add(f_clientmac, buffer(8, 6))
-
- subtree:add(f_switchmac, buffer(14, 6))
-
- subtree:add(f_seqnum, buffer(20, 4))
-
-
+local function dissect_header(buffer, subtree)
+ subtree:add(f_version, buffer(0, 1))
+ subtree:add(f_code, buffer(1, 1)):append_text(" ("..(op_codes[buffer(1, 1):uint()] or "unknown")..")")
+
+ local errcode = buffer(2, 1):uint()
+ local errattr = buffer(4, 2):uint()
+ subtree:add(f_error, buffer(2, 1)):append_text(" ("..(error_codes[errcode] or "unknown")..")")
+
+ -- add the erroneous attribute only if an error occurred
+ if (errattr ~= 0) then
+ local atf = attributes[errattr]
+ subtree:add(f_errattr, buffer(4, 2)):append_text(" ("..(atf and atf.name or "unk")..")")
+ end
+
+ subtree:add(f_clientmac, buffer(8, 6))
+ subtree:add(f_switchmac, buffer(14, 6))
+ subtree:add(f_seqnum, buffer(20, 4))
end
-
-local function dissect_attributes (buffer, subtree)
-
- local offset=32
-
- while ( offset<buffer:len() ) do
-
- if ( offset+4>buffer:len() ) then
- -- no room for an attribute header, it is an error
- subtree:add(buffer(offset), "Junk"):set_expert_flags(PI_MALFORMED, PI_ERROR)
- break
- end
-
- local code=buffer(offset, 2):uint()
- local len=buffer(offset+2, 2):uint()
- local atf=attributes[code]
-
- local attr=subtree:add(buffer(offset, math.min(4+len, buffer:len()-offset)), string.format("Attribute: 0x%04X (%s)", code, atf and atf.name or "unk"))
- attr:add(buffer(offset, 2), string.format("Code: 0x%04X", code))
- attr:add(buffer(offset+2, 2), string.format("Length: %u", len))
-
- if ( offset+4+len>buffer:len() ) then
- -- attribute length is bigger than remaining packet size, it is an error
- attr:append_text(" [malformed]")
- attr:set_expert_flags(PI_MALFORMED, PI_ERROR)
- break
- end
-
-
- if ( len<=0 ) then
- -- no data, display nothing
- elseif ( atf==nil or atf.dissect==nil ) then
- -- unknown attribute, display raw bytes
- attr:add(buffer(offset+4, len), "Data:", tostring(buffer(offset+4, len):bytes()))
- elseif ( type(atf.dissect)=="function" ) then
- -- custom sub-dissector for complex type
- atf.dissect(buffer, offset, attr)
- else
- -- simple type, directly show it
- local func=assert(loadstring("return function(buffer, offset, len) return tostring(buffer(offset+4, len):"..atf.dissect.."()) end"))() -- ugly, isn't it ?
- attr:add(buffer(offset+4, len), atf.name..":", func(buffer, offset, len))
- end
-
- offset=offset+4+len
-
- end
-
+local function dissect_attributes(buffer, subtree)
+ local offset = 32
+
+ while (offset < buffer:len()) do
+ if (offset + 4 > buffer:len()) then
+ -- no room for an attribute header, it is an error
+ subtree:add(buffer(offset), "Junk"):set_expert_flags(PI_MALFORMED, PI_ERROR)
+ break
+ end
+
+ local code = buffer(offset, 2):uint()
+ local len = buffer(offset + 2, 2):uint()
+ local atf = attributes[code]
+
+ local attr = subtree:add(buffer(offset, math.min(4 + len, buffer:len() - offset)), string.format("Attribute: 0x%04X (%s)", code, atf and atf.name or "unk"))
+ attr:add(buffer(offset, 2), string.format("Code: 0x%04X", code))
+ attr:add(buffer(offset + 2, 2), string.format("Length: %u", len))
+
+ if (offset + 4 + len > buffer:len()) then
+ -- attribute length is bigger than remaining packet size, it is an error
+ attr:append_text(" [malformed]")
+ attr:set_expert_flags(PI_MALFORMED, PI_ERROR)
+ break
+ end
+
+
+ if (len <= 0) then
+ -- no data, display nothing
+ elseif (atf == nil or atf.dissect == nil) then
+ -- unknown attribute, display raw bytes
+ attr:add(buffer(offset + 4, len), "Data:", tostring(buffer(offset + 4, len):bytes()))
+ elseif (type(atf.dissect) == "function" ) then
+ -- custom sub-dissector for complex type
+ atf.dissect(buffer, offset, attr)
+ else
+ -- simple type, directly show it
+ local func = assert(loadstring("return function(buffer, offset, len) return tostring(buffer(offset + 4, len):"..atf.dissect.."()) end"))() -- ugly, isn't it ?
+ attr:add(buffer(offset + 4, len), atf.name..":", func(buffer, offset, len))
+ end
+
+ offset = offset + 4 + len
+ end
end
-
-function p_nsdp.dissector (buffer, pinfo, tree)
-
- pinfo.cols.protocol=p_nsdp.name
- local subtree=tree:add(p_nsdp, buffer())
-
- -- stop if the packet is too small to be valid
- if ( buffer:len()<32 ) then return end
-
- dissect_header(buffer, subtree)
-
- -- stop if it is just a header
- if ( buffer:len()==32 ) then return end
-
- local attr_list=subtree:add(buffer(32), "Attributes list")
- dissect_attributes(buffer, attr_list)
-
+function p_nsdp.dissector(buffer, pinfo, tree)
+ pinfo.cols.protocol = p_nsdp.name
+ local subtree = tree:add(p_nsdp, buffer())
+
+ -- stop if the packet is too small to be valid
+ if (buffer:len() < 32) then
+ return
+ end
+
+ dissect_header(buffer, subtree)
+
+ -- stop if it is just a header
+ if (buffer:len() == 32) then
+ return
+ end
+
+ local attr_list = subtree:add(buffer(32), "Attributes list")
+ dissect_attributes(buffer, attr_list)
end
-
function p_nsdp.init ()
end
-
-local udp_dissector_table=DissectorTable.get("udp.port")
-dissector=udp_dissector_table:get_dissector(63322)
+local udp_dissector_table = DissectorTable.get("udp.port")
udp_dissector_table:add(63322, p_nsdp)
+udp_dissector_table:add(63321, p_nsdp)
projects / ngadmin / commitdiff