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Don't crash when portmapper reports non-tcp/udp transports. Fixes #363

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This commit is contained in:
dmiller 2016-04-18 05:11:57 +00:00
parent 46c3db5fad
commit fbdd7f53d9
1 changed files with 14 additions and 12 deletions
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26
scripts/rpcinfo.nse
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@ -94,19 +94,21 @@ action = function(host, port)
for progid, v in pairs(rpcinfo) do
xmlout[tostring(progid)] = v
for proto, v2 in pairs(v) do
local nmapport = nmap.get_port_state(host, {number=v2.port, protocol=proto})
if nmapport and (nmapport.state == "open" or nmapport.state == "open|filtered") then
nmapport.version = nmapport.version or {}
-- If we don't already know it, or we only know that it's "rpcbind"
if nmapport.service == nil or nmapport.version.service_dtype == "table" or port.service == "rpcbind" then
nmapport.version.name = rpc.Util.ProgNumberToName(progid)
nmapport.version.extrainfo = "RPC #" .. progid
if #v2.version > 1 then
nmapport.version.version = ("%d-%d"):format(v2.version[1], v2.version[#v2.version])
else
nmapport.version.version = tostring(v2.version[1])
if proto == "tcp" or proto == "udp" then
local nmapport = nmap.get_port_state(host, {number=v2.port, protocol=proto})
if nmapport and (nmapport.state == "open" or nmapport.state == "open|filtered") then
nmapport.version = nmapport.version or {}
-- If we don't already know it, or we only know that it's "rpcbind"
if nmapport.service == nil or nmapport.version.service_dtype == "table" or port.service == "rpcbind" then
nmapport.version.name = rpc.Util.ProgNumberToName(progid)
nmapport.version.extrainfo = "RPC #" .. progid
if #v2.version > 1 then
nmapport.version.version = ("%d-%d"):format(v2.version[1], v2.version[#v2.version])
else
nmapport.version.version = tostring(v2.version[1])
end
nmap.set_port_version(host, nmapport, "softmatched")
end
nmap.set_port_version(host, nmapport, "softmatched")
end
end