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Added ability to disable for program and version support checking in rpc.lua. Authentication now defaults to NULL.

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kroosec
2012-08-01 09:58:48 +00:00
parent d0e684735a
commit 3cd7f8865d
1 changed files with 23 additions and 13 deletions
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22
nselib/rpc.lua
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@@ -142,6 +142,7 @@ Comm = {
self.__index = self self.__index = self
o.program = program o.program = program
o.program_id = Util.ProgNameToNumber(program) o.program_id = Util.ProgNameToNumber(program)
o.checkprogver = true
o:SetVersion(version) o:SetVersion(version)
return o return o
end, end,
@@ -242,15 +243,27 @@ Comm = {
-- --
-- @return status boolean true -- @return status boolean true
SetVersion = function(self, version) SetVersion = function(self, version)
if self.checkprogver then
if (RPC_version[self.program] and RPC_args[self.program] and if (RPC_version[self.program] and RPC_args[self.program] and
nmap.registry.args and nmap.registry.args[RPC_args[self.program].ver]) then nmap.registry.args and nmap.registry.args[RPC_args[self.program].ver]) then
self.version = tonumber(nmap.registry.args[RPC_args[self.program].ver]) self.version = tonumber(nmap.registry.args[RPC_args[self.program].ver])
elseif (not(self.version) and version) then elseif (not(self.version) and version) then
self.version = version self.version = version
end end
else
self.version = version
end
return true, nil return true, nil
end, end,
SetCheckProgVer = function(self, check)
self.checkprogver = check
end,
SetProgID = function(self, progid)
self.program_id = progid
end,
--- Checks if data contains enough bytes to read the <code>needed</code> amount --- Checks if data contains enough bytes to read the <code>needed</code> amount
-- If it doesn't it attempts to read the remaining amount of bytes from the socket -- If it doesn't it attempts to read the remaining amount of bytes from the socket
-- --
@@ -286,12 +299,9 @@ Comm = {
local RPC_VERSION = 2 local RPC_VERSION = 2
local packet local packet
if not(xid) then local auth = auth or {type = Portmap.AuthType.NULL}
xid = math.random(1234567890) local xid = xid or math.random(1234567890)
end local procedure = procedure or 0
if not auth then
return false, "Comm.CreateHeader: No authentication specified"
end
packet = bin.pack( ">IIIIII", xid, Portmap.MessageType.CALL, RPC_VERSION, packet = bin.pack( ">IIIIII", xid, Portmap.MessageType.CALL, RPC_VERSION,
self.program_id, self.version, procedure ) self.program_id, self.version, procedure )