securecall

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	securecall		+ 2.0.1 / 1.13.2
	securecallfunction		+ 9.1.5 / 1.15.0

Calls the specified function without propagating taint to the caller.

... = securecall(func or functionName, ...)
... = securecallfunction(func, ...)

Arguments

func

function|string - A direct reference of the function to be called, or for securecall a string name of a function to be resolved through a global lookup.

...

Additional arguments to supply to the function.

Returns

...

The return values of the called function.

Details

• If securecall is called from a secure execution path, the execution path will remain secure when securecall returns, even if the called function is tainted, or accesses tainted variables.
• Errors that occur within the called function are not propagated to the caller; if an error occurs, securecall triggers the default error handler, and then returns control to the caller with no return values.
• For securecallfunction, no attempt is made to perform a global lookup based on the supplied function argument.

Patch changes

Patch 9.1.5 (2021-11-02): Added securecallfunction.
Patch 2.0.1 (2006-12-05): Added securecall.