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<h1>Source code for windows.winobject.service</h1><div class="highlight"><pre>
<span></span><span class="kn">import</span> <span class="nn">ctypes</span>
<span class="kn">import</span> <span class="nn">windows</span>
<span class="kn">from</span> <span class="nn">collections</span> <span class="k">import</span> <span class="n">namedtuple</span>
<span class="kn">from</span> <span class="nn">contextlib</span> <span class="k">import</span> <span class="n">contextmanager</span>
<span class="kn">from</span> <span class="nn">windows</span> <span class="k">import</span> <span class="n">utils</span>
<span class="kn">import</span> <span class="nn">windows.generated_def</span> <span class="k">as</span> <span class="nn">gdef</span>
<span class="kn">from</span> <span class="nn">windows.generated_def</span> <span class="k">import</span> <span class="o">*</span>
<span class="n">SERVICE_TYPE</span> <span class="o">=</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FlagMapper</span><span class="p">(</span><span class="n">SERVICE_KERNEL_DRIVER</span><span class="p">,</span> <span class="n">SERVICE_FILE_SYSTEM_DRIVER</span><span class="p">,</span> <span class="n">SERVICE_WIN32_OWN_PROCESS</span><span class="p">,</span> <span class="n">SERVICE_WIN32_SHARE_PROCESS</span><span class="p">,</span> <span class="n">SERVICE_INTERACTIVE_PROCESS</span><span class="p">)</span>
<span class="n">SERVICE_STATE</span> <span class="o">=</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FlagMapper</span><span class="p">(</span><span class="n">SERVICE_STOPPED</span><span class="p">,</span> <span class="n">SERVICE_START_PENDING</span><span class="p">,</span> <span class="n">SERVICE_STOP_PENDING</span><span class="p">,</span> <span class="n">SERVICE_RUNNING</span><span class="p">,</span> <span class="n">SERVICE_CONTINUE_PENDING</span><span class="p">,</span> <span class="n">SERVICE_PAUSE_PENDING</span><span class="p">,</span> <span class="n">SERVICE_PAUSED</span><span class="p">)</span>
<span class="n">SERVICE_CONTROLE_ACCEPTED</span> <span class="o">=</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FlagMapper</span><span class="p">()</span>
<span class="n">SERVICE_FLAGS</span> <span class="o">=</span> <span class="n">gdef</span><span class="o">.</span><span class="n">FlagMapper</span><span class="p">(</span><span class="n">SERVICE_RUNS_IN_SYSTEM_PROCESS</span><span class="p">)</span>
<span class="n">ServiceStatus</span> <span class="o">=</span> <span class="n">namedtuple</span><span class="p">(</span><span class="s2">&quot;ServiceStatus&quot;</span><span class="p">,</span> <span class="p">[</span><span class="s2">&quot;type&quot;</span><span class="p">,</span> <span class="s2">&quot;state&quot;</span><span class="p">,</span> <span class="s2">&quot;control_accepted&quot;</span><span class="p">,</span> <span class="s2">&quot;flags&quot;</span><span class="p">])</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="sd">``type`` might be one of:</span>
<span class="sd"> * ``SERVICE_KERNEL_DRIVER(0x1L)``</span>
<span class="sd"> * ``SERVICE_FILE_SYSTEM_DRIVER(0x2L)``</span>
<span class="sd"> * ``SERVICE_WIN32_OWN_PROCESS(0x10L)``</span>
<span class="sd"> * ``SERVICE_WIN32_SHARE_PROCESS(0x20L)``</span>
<span class="sd"> * ``SERVICE_INTERACTIVE_PROCESS(0x100L)``</span>
<span class="sd">``state`` might be one of:</span>
<span class="sd"> * ``SERVICE_STOPPED(0x1L)``</span>
<span class="sd"> * ``SERVICE_START_PENDING(0x2L)``</span>
<span class="sd"> * ``SERVICE_STOP_PENDING(0x3L)``</span>
<span class="sd"> * ``SERVICE_RUNNING(0x4L)``</span>
<span class="sd"> * ``SERVICE_CONTINUE_PENDING(0x5L)``</span>
<span class="sd"> * ``SERVICE_PAUSE_PENDING(0x6L)``</span>
<span class="sd"> * ``SERVICE_PAUSED(0x7L)``</span>
<span class="sd">``flags`` might be one of:</span>
<span class="sd"> * ``0``</span>
<span class="sd"> * ``SERVICE_RUNS_IN_SYSTEM_PROCESS(0x1L)``</span>
<span class="sd">&quot;&quot;&quot;</span>
<span class="k">class</span> <span class="nc">Service</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="n">handle</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">__repr__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s1">&#39;&lt;</span><span class="si">{0}</span><span class="s1"> &quot;</span><span class="si">{1}</span><span class="s1">&quot; </span><span class="si">{2}</span><span class="s1">&gt;&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span><span class="o">.</span><span class="vm">__name__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">status</span><span class="o">.</span><span class="n">state</span><span class="p">)</span>
<span class="nd">@utils</span><span class="o">.</span><span class="n">fixedpropety</span>
<span class="k">def</span> <span class="nf">name</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;The name of the service</span>
<span class="sd"> :type: :class:`str`</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">lpServiceName</span>
<span class="nd">@utils</span><span class="o">.</span><span class="n">fixedpropety</span>
<span class="k">def</span> <span class="nf">description</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;The description of the service</span>
<span class="sd"> :type: :class:`str`</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">lpDisplayName</span>
<span class="nd">@utils</span><span class="o">.</span><span class="n">fixedpropety</span>
<span class="k">def</span> <span class="nf">status</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;The status of the service</span>
<span class="sd"> :type: :class:`ServiceStatus`</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">status</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ServiceStatusProcess</span>
<span class="n">stype</span> <span class="o">=</span> <span class="n">SERVICE_TYPE</span><span class="p">[</span><span class="n">status</span><span class="o">.</span><span class="n">dwServiceType</span><span class="p">]</span>
<span class="n">sstate</span> <span class="o">=</span> <span class="n">SERVICE_STATE</span><span class="p">[</span><span class="n">status</span><span class="o">.</span><span class="n">dwCurrentState</span><span class="p">]</span>
<span class="n">scontrol</span> <span class="o">=</span> <span class="n">status</span><span class="o">.</span><span class="n">dwControlsAccepted</span>
<span class="n">sflags</span> <span class="o">=</span> <span class="n">SERVICE_FLAGS</span><span class="p">[</span><span class="n">status</span><span class="o">.</span><span class="n">dwServiceFlags</span><span class="p">]</span>
<span class="k">return</span> <span class="n">ServiceStatus</span><span class="p">(</span><span class="n">stype</span><span class="p">,</span> <span class="n">sstate</span><span class="p">,</span> <span class="n">scontrol</span><span class="p">,</span> <span class="n">sflags</span><span class="p">)</span>
<span class="nd">@utils</span><span class="o">.</span><span class="n">fixedpropety</span>
<span class="k">def</span> <span class="nf">process</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;The process running the service (if any)</span>
<span class="sd"> :type: :class:`WinProcess &lt;windows.winobject.process.WinProcess&gt;` or ``None``</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">pid</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ServiceStatusProcess</span><span class="o">.</span><span class="n">dwProcessId</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">pid</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="n">l</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">WinProcess</span><span class="p">(</span><span class="n">pid</span><span class="o">=</span><span class="n">pid</span><span class="p">)</span>
<span class="k">return</span> <span class="n">l</span>
<div class="viewcode-block" id="ServiceA"><a class="viewcode-back" href="../../../service.html#windows.winobject.service.ServiceA">[docs]</a><span class="k">class</span> <span class="nc">ServiceA</span><span class="p">(</span><span class="n">Service</span><span class="p">,</span> <span class="n">ENUM_SERVICE_STATUS_PROCESSA</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;A Service object with ascii data&quot;&quot;&quot;</span>
<span class="k">def</span> <span class="nf">start</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">args</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">args</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">NotImplementedError</span><span class="p">(</span><span class="s2">&quot;Start service with args != None&quot;</span><span class="p">)</span>
<span class="k">with</span> <span class="n">scmanagera</span><span class="p">(</span><span class="n">SC_MANAGER_CONNECT</span><span class="p">)</span> <span class="k">as</span> <span class="n">scm</span><span class="p">:</span>
<span class="c1"># windows.winproxy.StartServiceA()</span>
<span class="n">servh</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">OpenServiceA</span><span class="p">(</span><span class="n">scm</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">SERVICE_START</span><span class="p">)</span>
<span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">StartServiceA</span><span class="p">(</span><span class="n">servh</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span></div>
<span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">CloseServiceHandle</span><span class="p">(</span><span class="n">servh</span><span class="p">)</span>
<span class="nd">@contextmanager</span>
<span class="k">def</span> <span class="nf">scmanagera</span><span class="p">(</span><span class="n">access</span><span class="p">):</span>
<span class="c1"># scmanager = windows.winproxy.OpenSCManagerA(dwDesiredAccess=SC_MANAGER_ENUMERATE_SERVICE)</span>
<span class="n">scmanager</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">OpenSCManagerA</span><span class="p">(</span><span class="n">dwDesiredAccess</span><span class="o">=</span><span class="n">access</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">yield</span> <span class="n">scmanager</span>
<span class="k">finally</span><span class="p">:</span>
<span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">CloseServiceHandle</span><span class="p">(</span><span class="n">scmanager</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">enumerate_services</span><span class="p">():</span>
<span class="c1"># TODO: fix this so we don&#39;t have a scmanager leak..</span>
<span class="n">scmanager</span> <span class="o">=</span> <span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">OpenSCManagerA</span><span class="p">(</span><span class="n">dwDesiredAccess</span><span class="o">=</span><span class="n">SC_MANAGER_ENUMERATE_SERVICE</span><span class="p">)</span>
<span class="n">size_needed</span> <span class="o">=</span> <span class="n">DWORD</span><span class="p">()</span>
<span class="n">nb_services</span> <span class="o">=</span> <span class="n">DWORD</span><span class="p">()</span>
<span class="n">counter</span> <span class="o">=</span> <span class="n">DWORD</span><span class="p">()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">EnumServicesStatusExA</span><span class="p">(</span><span class="n">scmanager</span><span class="p">,</span> <span class="n">SC_ENUM_PROCESS_INFO</span><span class="p">,</span> <span class="n">SERVICE_TYPE_ALL</span><span class="p">,</span> <span class="n">SERVICE_STATE_ALL</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">byref</span><span class="p">(</span><span class="n">size_needed</span><span class="p">),</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">byref</span><span class="p">(</span><span class="n">nb_services</span><span class="p">),</span> <span class="n">byref</span><span class="p">(</span><span class="n">counter</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">WindowsError</span><span class="p">:</span>
<span class="k">pass</span>
<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
<span class="n">size</span> <span class="o">=</span> <span class="n">size_needed</span><span class="o">.</span><span class="n">value</span>
<span class="n">buffer</span> <span class="o">=</span> <span class="p">(</span><span class="n">BYTE</span> <span class="o">*</span> <span class="n">size</span><span class="p">)()</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">windows</span><span class="o">.</span><span class="n">winproxy</span><span class="o">.</span><span class="n">EnumServicesStatusExA</span><span class="p">(</span><span class="n">scmanager</span><span class="p">,</span> <span class="n">SC_ENUM_PROCESS_INFO</span><span class="p">,</span> <span class="n">SERVICE_TYPE_ALL</span><span class="p">,</span> <span class="n">SERVICE_STATE_ALL</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">byref</span><span class="p">(</span><span class="n">size_needed</span><span class="p">),</span> <span class="n">ctypes</span><span class="o">.</span><span class="n">byref</span><span class="p">(</span><span class="n">nb_services</span><span class="p">),</span> <span class="n">byref</span><span class="p">(</span><span class="n">counter</span><span class="p">),</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">WindowsError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="k">continue</span>
<span class="n">return_type</span> <span class="o">=</span> <span class="p">(</span><span class="n">ServiceA</span> <span class="o">*</span> <span class="n">nb_services</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>
<span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">return_type</span><span class="o">.</span><span class="n">from_buffer</span><span class="p">(</span><span class="n">buffer</span><span class="p">))</span>
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