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Does anyone know if it is possible to restrict the execution of a particular code created in R to a certain local machine? If so, what would be the code?
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Does anyone know if it is possible to restrict the execution of a particular code created in R to a certain local machine? If so, what would be the code?
3
The command Sys.info()
returns system information, including the name of the machine on the network (nodename
).
Sys.info()
# sysname release
# "Windows" "7 x64"
# version nodename
# "build 7601, Service Pack 1" "TBRDBZVRLZ1"
# machine login
# "x86-64" "tbrvlj"
# user effective_user
# "tbrvlj" "tbrvlj"
With this command you can identify the nodename
and include a condition in its code:
nname <- Sys.info()['nodename']
if(nname == 'TBRDBZVRLZ1') {
print("executa o código")
} else {
print("não executa o código")
}
# [1] "executa o código"
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It is good to note that this solution is not safe. Just open the code and change the name of the machine to work again.
– Daniel Falbel
@Danielfalbel, what’s the safest alternative?
– Tomás Barcellos
There is no secure solution if you have to pass the code . R to be executed by the client.. With a little knowledge he can always change the code and disable these protections. The secure solution is for you to stay in control of the server running the code - ex develop an API or app.
– Daniel Falbel