dotnet/msbuild

Provide a method to execute an external command without using a shell

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#399 ouverte le 10 déc. 2015

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Description

The Exec task always spawns a shell to invoke the external command. This is convenient, but non-portable, insecure (though not exploitable here), and requires non-portable escaping.

A better solution is to provide a way to execute an external command without using a shell. It should have the following properties:

  • Lists are respected.
  • Any character can be passed to an external command. No manual escaping required.
  • Special characters in property values do not cause problems.
  • No shell is invoked, unless the external command is the shell.
  • It should be possible to pass multiple arguments to the shell
  • The syntax should be something other than requiring a seperate XML element per argument.

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