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c++windowswinapisid

Declare SID Windows c++

I tried to pass to a function a SID identifier

myFunction(SID userSid) {}

My seed is "S-1-5-11", but i cannot figure how to pass the SID to the function

PSID sid = "S-1-5-11";
myFunction(sid);

No constructor for PSID to _SID

Solution

  • SID is a distinct type. It is an opaque data structure (implemented as a C structure), not just another name for a string.

    You cannot pass a string to a function that requires an SID formal parameter. You need to create an SID object and pass that.

    There are a variety of API functions that allow you to create and manipulate SIDs; they are listed here.

    If you want to create an SID from a string that contains a valid SID, you can call the ConvertStringSidToSid function. For example:

    PSID psid;
BOOL bSucceeded = ConvertStringSidToSid(TEXT("S-1-5-11"), &psid);
assert(bSucceeded != FALSE);

// ... use the SID via the pointer

// once you are finished, free it:
LocalFree(psid);