Module: ServerEngine::Privilege

Defined in:
lib/serverengine/privilege.rb

Class Method Summary collapse

Class Method Details

.change(user, group) ⇒ Object 



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# File 'lib/serverengine/privilege.rb', line 38

def self.change(user, group)
  if group
    etc_group = get_etc_group(group)
    Process::GID.change_privilege(etc_group.gid)
  end

  if user
    etc_pw = get_etc_passwd(user)
    user_groups = [etc_pw.gid]
    Etc.setgrent
    Etc.group { |gr| user_groups << gr.gid if gr.mem.include?(etc_pw.name) } # emulate 'id -G'

    Process.groups = Process.groups | user_groups
    Process::UID.change_privilege(etc_pw.uid)
  end

  nil
end

.get_etc_group(group) ⇒ Object 



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# File 'lib/serverengine/privilege.rb', line 30

def self.get_etc_group(group)
  if group.to_i.to_s == group
    Etc.getgrgid(group.to_i)
  else
    Etc.getgrnam(group)
  end
end

.get_etc_passwd(user) ⇒ Object 



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# File 'lib/serverengine/privilege.rb', line 22

def self.get_etc_passwd(user)
  if user.to_i.to_s == user
    Etc.getpwuid(user.to_i)
  else
    Etc.getpwnam(user)
  end
end