rpcrt4_create_pipe_security function will be held in charge to set up security descriptors specific for each named pipe upon creation in rpcrt4_conn_create_pipe. The descriptor is then freed after the pipe is no longer needed.
CORE-6561 CORE-13442
- Call GetComputerNameA() only when a non-empty server name has been
provided, thus slightly improving speed for the most common case when
local calls (with an empty server name) are done.
- When a server name is passed, trim any leading UNC server prefix since
the latter will be restored when building the pipe name string.
