1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xmlns="http://www.w3.org/1999/xhtml"> 3<head> 4<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 5<meta http-equiv="X-UA-Compatible" content="IE=9"/> 6<meta name="generator" content="Doxygen 1.8.14"/> 7<meta name="viewport" content="width=device-width, initial-scale=1"/> 8<title>Magick++: SecurityPolicy.cpp Source File</title> 9<link href="tabs.css" rel="stylesheet" type="text/css"/> 10<script type="text/javascript" src="jquery.js"></script> 11<script type="text/javascript" src="dynsections.js"></script> 12<link href="navtree.css" rel="stylesheet" type="text/css"/> 13<script type="text/javascript" src="resize.js"></script> 14<script type="text/javascript" src="navtreedata.js"></script> 15<script type="text/javascript" src="navtree.js"></script> 16<script type="text/javascript"> 17/* @license 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type="text/javascript"> 51/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 52$(document).ready(function(){initNavTree('SecurityPolicy_8cpp_source.html','');}); 53/* @license-end */ 54</script> 55<div id="doc-content"> 56<div class="header"> 57 <div class="headertitle"> 58<div class="title">SecurityPolicy.cpp</div> </div> 59</div><!--header--> 60<div class="contents"> 61<a href="SecurityPolicy_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This may look like C code, but it is really -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright Dirk Lemstra 2018</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Implementation of the security policy.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"><a class="line" href="SecurityPolicy_8cpp.html#a24d8db5449916b4dd0283f5f30a5edc7"> 8</a></span> <span class="preprocessor">#define MAGICKCORE_IMPLEMENTATION 1</span></div><div class="line"><a name="l00009"></a><span class="lineno"><a class="line" href="SecurityPolicy_8cpp.html#a99e08660df365803d576005502caf7e5"> 9</a></span> <span class="preprocessor">#define MAGICK_PLUSPLUS_IMPLEMENTATION 1</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="SecurityPolicy_8h.html">Magick++/SecurityPolicy.h</a>"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "<a class="code" href="Exception_8h.html">Magick++/Exception.h</a>"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <sstream></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">using namespace </span><a class="code" href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a>;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="classMagick_1_1SecurityPolicy.html#a6de9a04b5065e76e3e76ff4d01af4106"> 18</a></span> <span class="keywordtype">bool</span> <a class="code" href="classMagick_1_1SecurityPolicy.html#a6de9a04b5065e76e3e76ff4d01af4106">Magick::SecurityPolicy::anonymousCacheMemoryMap</a>()</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordflow">return</span>(setValue(CachePolicyDomain,<span class="stringliteral">"memory-map"</span>,<span class="stringliteral">"anonymous"</span>));</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> }</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classMagick_1_1SecurityPolicy.html#a475d099183ddff0f971fdae1fbd81100"> 23</a></span> <span class="keywordtype">bool</span> <a class="code" href="classMagick_1_1SecurityPolicy.html#a475d099183ddff0f971fdae1fbd81100">Magick::SecurityPolicy::anonymousSystemMemoryMap</a>()</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">return</span>(setValue(SystemPolicyDomain,<span class="stringliteral">"memory-map"</span>,<span class="stringliteral">"anonymous"</span>));</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> }</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classMagick_1_1SecurityPolicy.html#a0c16094c82319865c9444b51d929f310"> 28</a></span> <span class="keywordtype">bool</span> <a class="code" href="classMagick_1_1SecurityPolicy.html#a0c16094c82319865c9444b51d929f310">Magick::SecurityPolicy::precision</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> precision_)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordtype">string</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  value;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  value=toString(precision_);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">return</span>(setValue(SystemPolicyDomain,<span class="stringliteral">"precision"</span>,value));</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classMagick_1_1SecurityPolicy.html#ad855517bfd857b40200af66644b18761"> 37</a></span> <span class="keywordtype">bool</span> <a class="code" href="classMagick_1_1SecurityPolicy.html#ad855517bfd857b40200af66644b18761">Magick::SecurityPolicy::maxMemoryRequest</a>(<span class="keyword">const</span> MagickSizeType limit_)</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">string</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  value;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  value=toString(limit_);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">return</span>(setValue(SystemPolicyDomain,<span class="stringliteral">"max-memory-request"</span>,value));</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classMagick_1_1SecurityPolicy.html#ab75102bdb256a046351d216db65daa28"> 46</a></span> <span class="keywordtype">bool</span> <a class="code" href="classMagick_1_1SecurityPolicy.html#ab75102bdb256a046351d216db65daa28">Magick::SecurityPolicy::shred</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> passes_)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">string</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  value;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  value=toString(passes_);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span>(setValue(SystemPolicyDomain,<span class="stringliteral">"shred"</span>,value));</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> Magick::SecurityPolicy::SecurityPolicy()</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keywordtype">bool</span> Magick::SecurityPolicy::setValue(<span class="keyword">const</span> PolicyDomain domain_,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> std::string name_,<span class="keyword">const</span> std::string value_)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  MagickBooleanType</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  status;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  status=MagickCore::SetMagickSecurityPolicyValue(domain_,name_.c_str(),</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  value_.c_str(),exceptionInfo);</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(<span class="keyword">false</span>);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span>(status != MagickFalse);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> std::string Magick::SecurityPolicy::toString(<span class="keyword">const</span> T& value)</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  stringstream ss;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  ss << value;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> ss.str();</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div><div class="ttc" id="classMagick_1_1SecurityPolicy_html_ad855517bfd857b40200af66644b18761"><div class="ttname"><a href="classMagick_1_1SecurityPolicy.html#ad855517bfd857b40200af66644b18761">Magick::SecurityPolicy::maxMemoryRequest</a></div><div class="ttdeci">static bool maxMemoryRequest(const MagickSizeType limit_)</div><div class="ttdef"><b>Definition:</b> <a href="SecurityPolicy_8cpp_source.html#l00037">SecurityPolicy.cpp:37</a></div></div> 62<div class="ttc" id="classMagick_1_1SecurityPolicy_html_a0c16094c82319865c9444b51d929f310"><div class="ttname"><a href="classMagick_1_1SecurityPolicy.html#a0c16094c82319865c9444b51d929f310">Magick::SecurityPolicy::precision</a></div><div class="ttdeci">static bool precision(const int precision_)</div><div class="ttdef"><b>Definition:</b> <a href="SecurityPolicy_8cpp_source.html#l00028">SecurityPolicy.cpp:28</a></div></div> 63<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div> 64<div class="ttc" id="classMagick_1_1SecurityPolicy_html_a475d099183ddff0f971fdae1fbd81100"><div class="ttname"><a href="classMagick_1_1SecurityPolicy.html#a475d099183ddff0f971fdae1fbd81100">Magick::SecurityPolicy::anonymousSystemMemoryMap</a></div><div class="ttdeci">static bool anonymousSystemMemoryMap()</div><div class="ttdef"><b>Definition:</b> <a href="SecurityPolicy_8cpp_source.html#l00023">SecurityPolicy.cpp:23</a></div></div> 65<div class="ttc" id="classMagick_1_1SecurityPolicy_html_a6de9a04b5065e76e3e76ff4d01af4106"><div class="ttname"><a href="classMagick_1_1SecurityPolicy.html#a6de9a04b5065e76e3e76ff4d01af4106">Magick::SecurityPolicy::anonymousCacheMemoryMap</a></div><div class="ttdeci">static bool anonymousCacheMemoryMap()</div><div class="ttdef"><b>Definition:</b> <a href="SecurityPolicy_8cpp_source.html#l00018">SecurityPolicy.cpp:18</a></div></div> 66<div class="ttc" id="classMagick_1_1SecurityPolicy_html_ab75102bdb256a046351d216db65daa28"><div class="ttname"><a href="classMagick_1_1SecurityPolicy.html#ab75102bdb256a046351d216db65daa28">Magick::SecurityPolicy::shred</a></div><div class="ttdeci">static bool shred(const int passes_)</div><div class="ttdef"><b>Definition:</b> <a href="SecurityPolicy_8cpp_source.html#l00046">SecurityPolicy.cpp:46</a></div></div> 67<div class="ttc" id="Include_8h_html_a6a4b81920dd51d0f026cf21a015b194a"><div class="ttname"><a href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a></div><div class="ttdeci">#define ThrowPPException(quiet)</div><div class="ttdef"><b>Definition:</b> <a href="Include_8h_source.html#l01563">Include.h:1563</a></div></div> 68<div class="ttc" 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