forked from izaya/OC-PsychOS2
cleanup RPC library, make it possible to detect the client hostname when running RPC requests
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parent
0aa574ea7a
commit
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24
lib/rpc.lua
24
lib/rpc.lua
@ -9,6 +9,8 @@ local function setacl(self, fname, host)
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self[fname] = self[fname] or {}
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self[fname] = self[fname] or {}
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self[fname][host] = true
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self[fname][host] = true
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end
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end
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-- function rpc.allow(fn, host) -- string string -- -- Enable the allow list for function *fname* and add *host* to it.
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-- function rpc.deny(fn, host) -- string string -- -- Enable the deny list for function *fname* and add *host* to it.
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rpc.allow = setmetatable({},{__call=setacl})
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rpc.allow = setmetatable({},{__call=setacl})
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rpc.deny = setmetatable({},{__call=setacl})
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rpc.deny = setmetatable({},{__call=setacl})
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@ -23,15 +25,15 @@ local function isPermitted(host,fn)
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end
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end
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local function rpcexec(_, from, port, data)
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local function rpcexec(_, from, port, data)
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if port ~= rpc.port then return false end
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os.spawn(function()
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os.spawn(function()
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if port == rpc.port then
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local rpcrq = serial.unserialize(data) or {}
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local rpcrq = serial.unserialize(data) or {}
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if rpcf[rpcrq[1]] and isPermitted(from,rpcrq[1]) then
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if rpcf[rpcrq[1]] and isPermitted(from,rpcrq[1]) then
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os.setenv("RPC_CLIENT",from)
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minitel.send(from,port,serial.serialize({rpcrq[2],pcall(rpcf[rpcrq[1]],table.unpack(rpcrq,3))}))
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minitel.send(from,port,serial.serialize({rpcrq[2],pcall(rpcf[rpcrq[1]],table.unpack(rpcrq,3))}))
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elseif type(rpcrq[2]) == "string" then
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elseif type(rpcrq[2]) == "string" then
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minitel.send(from,port,serial.serialize({rpcrq[2],false,"function unavailable"}))
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minitel.send(from,port,serial.serialize({rpcrq[2],false,"function unavailable"}))
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end
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end
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end
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end,"rpc worker for "..tostring(from))
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end,"rpc worker for "..tostring(from))
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end
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end
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function rpcf.list()
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function rpcf.list()
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@ -94,4 +96,10 @@ function rpc.register(name,fn) -- string function -- -- Registers a function to
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rpcf[name] = fn
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rpcf[name] = fn
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end
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end
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function rpc.unregister(name) -- string -- -- Removes a function from the RPC function registry, clearing any ACL rules.
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rpcf[name] = nil
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rpc.allow[name] = nil
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rpc.deny[name] = nil
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end
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return rpc
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return rpc
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