Class: Win32::Security
- Inherits:
-
Object
- Object
- Win32::Security
- Extended by:
- Windows::Security::Functions
- Defined in:
- lib/win32/security.rb,
lib/win32/security/ace.rb,
lib/win32/security/acl.rb,
lib/win32/security/sid.rb
Overview
The Security class serves as a toplevel class namespace.
Defined Under Namespace
Constant Summary collapse
- VERSION =
The version of the win32-security library
'0.3.1'
- TOKEN_QUERY =
Used by OpenProcessToken
8
Class Method Summary collapse
-
.elevated_security? ⇒ Boolean
Returns whether or not the owner of the current process is running with elevated security privileges.
Class Method Details
.elevated_security? ⇒ Boolean
Returns whether or not the owner of the current process is running with elevated security privileges.
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# File 'lib/win32/security.rb', line 31 def self.elevated_security? result = false # Work around a 64-bit JRuby bug if RUBY_PLATFORM == 'java' && ENV_JAVA['sun.arch.data.model'] == '64' ptr_type = :ulong_long else ptr_type = :uintptr_t end FFI::MemoryPointer.new(ptr_type) do |token| unless OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, token) raise SystemCallError.new("OpenProcessToken", FFI.errno) end begin token = token.read_pointer.to_i # Since the TokenElevation struct only has 1 member, we use a pointer. te = FFI::MemoryPointer.new(:ulong) rl = FFI::MemoryPointer.new(:ulong) bool = GetTokenInformation( token, :TokenElevation, te, te.size, rl ) raise SystemCallError.new("GetTokenInformation", FFI.errno) unless bool result = te.read_ulong != 0 ensure CloseHandle(token) te.free rl.free end end result end |