GetServerVariable

The GetServerVariable callback function specifies a server variable that the ISAPI filter needs to retrieve from IIS.

BOOL WINAPI * GetServerVariable(
  struct _HTTP_FILTER_CONTEXT * pfc,
  LPSTR lpszVariableName,
  LPVOID lpvBuffer,
  LPDWORD lpdwSize
);
 

Parameters

pfc

Points to a HTTP_FILTER_CONTEXT structure.

lpszVariableName

Points to a string that contains the variable to retrieve.

lpvBuffer

Points to the buffer to receive the requested information.

lpdwSize

Points to a DWORD that indicates the size of the buffer pointed to by lpvBuffer. On successful completion, the DWORD contains the size of bytes transferred into the buffer, including the null-terminating byte.