Changes the process’s uid and gid to the ones of user
# File lib/webrick/utils.rb, line 43
def su(user)
if defined?(Etc)
pw = Etc.getpwnam(user)
Process::initgroups(user, pw.gid)
Process::Sys::setgid(pw.gid)
Process::Sys::setuid(pw.uid)
else
warn("WEBrick::Utils::su doesn't work on this platform")
end
end
