<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU CommonC++: url1.cpp</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.3 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> </div> <div class="contents"> <h1>url1.cpp</h1><div class="fragment"><pre class="fragment"><span class="preprocessor">#include <<a class="code" href="common_8h.html" title="GNU Common C++ global header.">cc++/common.h</a>></span> <span class="comment">// This was a test base64 stuff</span> <span class="preprocessor">#ifdef CCXX_NAMESPACES</span> <span class="preprocessor"></span><span class="keyword">using namespace </span>std; <span class="keyword">using namespace </span>ost; <span class="preprocessor">#endif</span> <span class="preprocessor"></span> <span class="preprocessor">#define BUFLEN 512</span> <span class="preprocessor"></span><span class="keywordtype">char</span> buf1[BUFLEN]; <span class="keywordtype">char</span> buf2[BUFLEN]; <span class="keywordtype">bool</span> errorOccurred = <span class="keyword">false</span>; <span class="keywordtype">char</span> status[256] = <span class="stringliteral">""</span>; <span class="keywordtype">void</span> printBug(<span class="keyword">const</span> <span class="keywordtype">char</span>*msg) { errorOccurred = <span class="keyword">true</span>; printf(<span class="stringliteral">"status = %s\n%s!\n"</span>,status,msg); } <span class="keyword">const</span> <span class="keywordtype">char</span> fillChar=<span class="charliteral">'&'</span>; <span class="keywordtype">void</span> initBuf(<span class="keywordtype">char</span>* buf) { memset(buf,fillChar,BUFLEN); } <span class="keywordtype">void</span> checkBuf(<span class="keywordtype">char</span>* buf,<span class="keywordtype">int</span> prev,<span class="keywordtype">int</span> size) { <span class="keywordtype">int</span> i; <span class="keywordflow">for</span>(i=0;i<prev;++i) <span class="keywordflow">if</span> (buf[i] != fillChar) { printBug(<span class="stringliteral">"buffer overflow founded"</span>); <span class="keywordflow">return</span>; } <span class="keywordflow">for</span>(i=prev+size;i<BUFLEN;++i) <span class="keywordflow">if</span> (buf[i] != fillChar) { printBug(<span class="stringliteral">"buffer overflow founded"</span>); <span class="keywordflow">return</span>; } } <span class="comment">// check with binary functions</span> <span class="keywordtype">void</span> check1(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* s,<span class="keywordtype">size_t</span> len,<span class="keywordtype">size_t</span> buflen1,<span class="keywordtype">size_t</span> buflen2,<span class="keywordtype">bool</span> checkEqual=<span class="keyword">false</span>) { initBuf(buf1); <a name="a0"></a><a class="code" href="classost_1_1_u_r_l_stream.html#a3f1d6609018865ebf2719bb0394b787e">b64Encode</a>(s,len,buf1+16,buflen1); checkBuf(buf1,16,buflen1); initBuf(buf2); <a name="a1"></a><a class="code" href="classost_1_1_u_r_l_stream.html#a2f718746a33aee876b221bcf68df3d15">b64Decode</a>(buf1+16,(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)buf2+16,buflen2); checkBuf(buf2,16,buflen2); <span class="keywordflow">if</span> (checkEqual && memcmp(s,buf2+16,len) != 0) printBug (<span class="stringliteral">"buffer different"</span>); } <span class="comment">// check with old string</span> <span class="keywordtype">void</span> check2(<span class="keyword">const</span> <span class="keywordtype">char</span>* s,<span class="keywordtype">size_t</span> buflen,<span class="keywordtype">bool</span> checkEqual=<span class="keyword">false</span>) { <span class="keywordflow">if</span> (!buflen) <span class="keywordflow">return</span>; initBuf(buf1); <a class="code" href="classost_1_1_u_r_l_stream.html#a3f1d6609018865ebf2719bb0394b787e">b64Encode</a>(s,buf1+16,buflen); checkBuf(buf1,16,buflen); initBuf(buf2); <span class="keywordtype">size_t</span> buflen2 = strlen(buf1+16)+1; <a class="code" href="classost_1_1_u_r_l_stream.html#a2f718746a33aee876b221bcf68df3d15">b64Decode</a>(buf1+16,buf2+16); checkBuf(buf2,16,buflen2); <span class="keywordflow">if</span> (checkEqual && strcmp(s,buf2+16) != 0) { printBug (<span class="stringliteral">"buffer different"</span>); printf(<span class="stringliteral">"'%s' != '%s'\n'%s'\n"</span>,s,buf2+16,buf1+16); } } <span class="comment">// check buffer overflow on string</span> <span class="keywordtype">void</span> checkStringOverflow(<span class="keywordtype">char</span>* s,<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len) { <span class="keywordtype">bool</span> execCheck2 = (strlen(s) == len); <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> l1=0;l1<32;++l1) { sprintf(status,<span class="stringliteral">"%s %d"</span>,s,l1); <span class="keywordflow">if</span> (execCheck2) check2(s,l1,l1 >= (len+2)/3*4+1); <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> l2=0;l2<32;++l2) check1((<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)s,len,l1,l2, (l1 >= (len+2)/3*4+1) && (l2 >= len) ); } } <span class="keywordtype">int</span> main() { checkStringOverflow((<span class="keywordtype">char</span> *)<span class="stringliteral">""</span>,0); checkStringOverflow((<span class="keywordtype">char</span> *)<span class="stringliteral">"aaa"</span>,3); <span class="keywordflow">if</span> (!errorOccurred) printf(<span class="stringliteral">"All seem ok\n"</span>); <span class="keywordflow">return</span> 0; } </pre></div> </div> <hr class="footer"/><address style="text-align: right;"><small>Generated on Fri Nov 12 09:55:46 2010 for GNU CommonC++ by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address> </body> </html>