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<h2><a name="content"></a>libkpgp</h2>
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<h1>kpgpbaseG.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> kpgpbaseG.cpp</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2001,2002 the KPGP authors</span>
<a name="l00005"></a>00005 <span class="comment"> See file AUTHORS.kpgp for details</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment"> This file is part of KPGP, the KDE PGP/GnuPG support library.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> KPGP is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with this program; if not, write to the Free Software Foundation,</span>
<a name="l00016"></a>00016 <span class="comment"> Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA</span>
<a name="l00017"></a>00017 <span class="comment"> */</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#endif</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "kpgpbase.h"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "kpgp.h"</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <klocale.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <kprocess.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <qtextcodec.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <string.h></span> <span class="comment">/* strncmp */</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">namespace </span>Kpgp {
<a name="l00035"></a>00035
<a name="l00036"></a>00036 BaseG::BaseG()
<a name="l00037"></a>00037 : Base()
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="comment">// determine the version of gpg (the method is equivalent to gpgme's method)</span>
<a name="l00040"></a>00040 runGpg( <span class="stringliteral">"--version"</span>, 0 );
<a name="l00041"></a>00041 <span class="keywordtype">int</span> eol = output.find( <span class="charliteral">'\n'</span> );
<a name="l00042"></a>00042 <span class="keywordflow">if</span>( eol > 0 ) {
<a name="l00043"></a>00043 <span class="keywordtype">int</span> pos = output.findRev( <span class="charliteral">' '</span>, eol - 1 );
<a name="l00044"></a>00044 <span class="keywordflow">if</span>( pos != -1 ) {
<a name="l00045"></a>00045 mVersion = output.mid( pos + 1, eol - pos - 1 );
<a name="l00046"></a>00046 kdDebug(5100) << <span class="stringliteral">"found GnuPG "</span> << mVersion << endl;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051
<a name="l00052"></a>00052 BaseG::~BaseG()
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">int</span>
<a name="l00058"></a>00058 BaseG::encrypt( Block& block, <span class="keyword">const</span> KeyIDList& recipients )
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="keywordflow">return</span> encsign( block, recipients, 0 );
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">int</span>
<a name="l00065"></a>00065 BaseG::clearsign( Block& block, <span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase )
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keywordflow">return</span> encsign( block, KeyIDList(), passphrase );
<a name="l00068"></a>00068 }
<a name="l00069"></a>00069
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">int</span>
<a name="l00072"></a>00072 BaseG::encsign( Block& block, <span class="keyword">const</span> KeyIDList& recipients,
<a name="l00073"></a>00073 <span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase )
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 QCString cmd;
<a name="l00076"></a>00076 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keywordflow">if</span>(!recipients.isEmpty() && passphrase != 0)
<a name="l00079"></a>00079 cmd = <span class="stringliteral">"--batch --armor --sign --encrypt --textmode"</span>;
<a name="l00080"></a>00080 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(!recipients.isEmpty())
<a name="l00081"></a>00081 cmd = <span class="stringliteral">"--batch --armor --encrypt --textmode"</span>;
<a name="l00082"></a>00082 <span class="keywordflow">else</span> <span class="keywordflow">if</span>(passphrase != 0)
<a name="l00083"></a>00083 cmd = <span class="stringliteral">"--batch --escape-from --clearsign"</span>;
<a name="l00084"></a>00084 <span class="keywordflow">else</span>
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 kdDebug(5100) << <span class="stringliteral">"kpgpbase: Neither recipients nor passphrase specified."</span> << endl;
<a name="l00087"></a>00087 <span class="keywordflow">return</span> OK;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordflow">if</span>(passphrase != 0)
<a name="l00091"></a>00091 cmd += addUserId();
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keywordflow">if</span>(!recipients.isEmpty())
<a name="l00094"></a>00094 {
<a name="l00095"></a>00095 cmd += <span class="stringliteral">" --set-filename stdin"</span>;
<a name="l00096"></a>00096
<a name="l00097"></a>00097 QCString pgpUser = Module::getKpgp()->user();
<a name="l00098"></a>00098 <span class="keywordflow">if</span>(Module::getKpgp()->encryptToSelf() && !pgpUser.isEmpty()) {
<a name="l00099"></a>00099 cmd += <span class="stringliteral">" -r 0x"</span>;
<a name="l00100"></a>00100 cmd += pgpUser;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">for</span>( KeyIDList::ConstIterator it = recipients.begin();
<a name="l00104"></a>00104 it != recipients.end(); ++it ) {
<a name="l00105"></a>00105 cmd += <span class="stringliteral">" -r 0x"</span>;
<a name="l00106"></a>00106 cmd += (*it);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 clear();
<a name="l00111"></a>00111 input = block.text();
<a name="l00112"></a>00112 exitStatus = runGpg(cmd.data(), passphrase);
<a name="l00113"></a>00113 <span class="keywordflow">if</span>( !output.isEmpty() )
<a name="l00114"></a>00114 block.setProcessedText( output );
<a name="l00115"></a>00115 block.setError( error );
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordflow">if</span>( exitStatus != 0 )
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 <span class="comment">// this error message is later hopefully overwritten</span>
<a name="l00120"></a>00120 errMsg = i18n( <span class="stringliteral">"Unknown error."</span> );
<a name="l00121"></a>00121 status = ERROR;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="preprocessor">#if 0</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span> <span class="comment">// #### FIXME: As we check the keys ourselves the following problems</span>
<a name="l00126"></a>00126 <span class="comment">// shouldn't occur. Therefore I don't handle them for now.</span>
<a name="l00127"></a>00127 <span class="comment">// IK 01/2002</span>
<a name="l00128"></a>00128 <span class="keywordflow">if</span>(!recipients.isEmpty())
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="keywordtype">int</span> index = 0;
<a name="l00131"></a>00131 <span class="keywordtype">bool</span> bad = FALSE;
<a name="l00132"></a>00132 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num = 0;
<a name="l00133"></a>00133 QCString badkeys = <span class="stringliteral">""</span>;
<a name="l00134"></a>00134 <span class="comment">// Examples:</span>
<a name="l00135"></a>00135 <span class="comment">// gpg: 0x12345678: skipped: public key not found</span>
<a name="l00136"></a>00136 <span class="comment">// gpg: 0x12345678: skipped: public key is disabled</span>
<a name="l00137"></a>00137 <span class="comment">// gpg: 0x12345678: skipped: unusable public key</span>
<a name="l00138"></a>00138 <span class="comment">// (expired or revoked key)</span>
<a name="l00139"></a>00139 <span class="comment">// gpg: 23456789: no info to calculate a trust probability</span>
<a name="l00140"></a>00140 <span class="comment">// (untrusted key, 23456789 is the key Id of the encryption sub key)</span>
<a name="l00141"></a>00141 <span class="keywordflow">while</span>((index = error.find(<span class="stringliteral">"skipped: "</span>,index)) != -1)
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 bad = TRUE;
<a name="l00144"></a>00144 index = error.find(<span class="charliteral">'\''</span>,index);
<a name="l00145"></a>00145 <span class="keywordtype">int</span> index2 = error.find(<span class="charliteral">'\''</span>,index+1);
<a name="l00146"></a>00146 badkeys += error.mid(index, index2-index+1) + <span class="stringliteral">", "</span>;
<a name="l00147"></a>00147 num++;
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="keywordflow">if</span>(bad)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 badkeys.stripWhiteSpace();
<a name="l00152"></a>00152 <span class="keywordflow">if</span>(num == recipients.count())
<a name="l00153"></a>00153 errMsg = i18n(<span class="stringliteral">"Could not find public keys matching the userid(s)\n"</span>
<a name="l00154"></a>00154 <span class="stringliteral">"%1;\n"</span>
<a name="l00155"></a>00155 <span class="stringliteral">"the message is not encrypted."</span>)
<a name="l00156"></a>00156 .arg( badkeys.data() );
<a name="l00157"></a>00157 <span class="keywordflow">else</span>
<a name="l00158"></a>00158 errMsg = i18n(<span class="stringliteral">"Could not find public keys matching the userid(s)\n"</span>
<a name="l00159"></a>00159 <span class="stringliteral">"%1;\n"</span>
<a name="l00160"></a>00160 <span class="stringliteral">"these persons will not be able to read the message."</span>)
<a name="l00161"></a>00161 .arg( badkeys.data() );
<a name="l00162"></a>00162 status |= MISSINGKEY;
<a name="l00163"></a>00163 status |= ERROR;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 <span class="preprocessor">#endif</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span> <span class="keywordflow">if</span>( passphrase != 0 )
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="comment">// Example 1 (bad passphrase, clearsign only):</span>
<a name="l00170"></a>00170 <span class="comment">// gpg: skipped `0x12345678': bad passphrase</span>
<a name="l00171"></a>00171 <span class="comment">// gpg: [stdin]: clearsign failed: bad passphrase</span>
<a name="l00172"></a>00172 <span class="comment">// Example 2 (bad passphrase, sign & encrypt):</span>
<a name="l00173"></a>00173 <span class="comment">// gpg: skipped `0x12345678': bad passphrase</span>
<a name="l00174"></a>00174 <span class="comment">// gpg: [stdin]: sign+encrypt failed: bad passphrase</span>
<a name="l00175"></a>00175 <span class="comment">// Example 3 (unusable secret key, clearsign only):</span>
<a name="l00176"></a>00176 <span class="comment">// gpg: skipped `0x12345678': unusable secret key</span>
<a name="l00177"></a>00177 <span class="comment">// gpg: [stdin]: clearsign failed: unusable secret key</span>
<a name="l00178"></a>00178 <span class="comment">// Example 4 (unusable secret key, sign & encrypt):</span>
<a name="l00179"></a>00179 <span class="comment">// gpg: skipped `0xAC0EB35D': unusable secret key</span>
<a name="l00180"></a>00180 <span class="comment">// gpg: [stdin]: sign+encrypt failed: unusable secret key</span>
<a name="l00181"></a>00181 <span class="keywordflow">if</span>( error.find(<span class="stringliteral">"bad passphrase"</span>) != -1 )
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 errMsg = i18n(<span class="stringliteral">"Signing failed because the passphrase is wrong."</span>);
<a name="l00184"></a>00184 status |= BADPHRASE;
<a name="l00185"></a>00185 status |= ERR_SIGNING;
<a name="l00186"></a>00186 status |= ERROR;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( error.find(<span class="stringliteral">"unusable secret key"</span>) != -1 )
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 errMsg = i18n(<span class="stringliteral">"Signing failed because your secret key is unusable."</span>);
<a name="l00191"></a>00191 status |= ERR_SIGNING;
<a name="l00192"></a>00192 status |= ERROR;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( !( status & ERROR ) )
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="comment">//kdDebug(5100) << "Base: Good Passphrase!" << endl;</span>
<a name="l00197"></a>00197 status |= SIGNED;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="comment">//kdDebug(5100) << "status = " << status << endl;</span>
<a name="l00202"></a>00202 block.setStatus( status );
<a name="l00203"></a>00203 <span class="keywordflow">return</span> status;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordtype">int</span>
<a name="l00208"></a>00208 BaseG::decrypt( Block& block, <span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase )
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="keywordtype">int</span> index, index2;
<a name="l00211"></a>00211 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 clear();
<a name="l00214"></a>00214 input = block.text();
<a name="l00215"></a>00215 exitStatus = runGpg(<span class="stringliteral">"--batch --decrypt"</span>, passphrase);
<a name="l00216"></a>00216 <span class="keywordflow">if</span>( !output.isEmpty() && ( error.find( <span class="stringliteral">"gpg: quoted printable"</span> ) == -1 ) )
<a name="l00217"></a>00217 block.setProcessedText( output );
<a name="l00218"></a>00218 block.setError( error );
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="keywordflow">if</span>(exitStatus == -1) {
<a name="l00221"></a>00221 errMsg = i18n(<span class="stringliteral">"Error running gpg"</span>);
<a name="l00222"></a>00222 status = RUN_ERR;
<a name="l00223"></a>00223 block.setStatus( status );
<a name="l00224"></a>00224 <span class="keywordflow">return</span> status;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="comment">// Example 1 (good passphrase, decryption successful):</span>
<a name="l00228"></a>00228 <span class="comment">// gpg: encrypted with 2048-bit ELG-E key, ID 12345678, created 2000-11-11</span>
<a name="l00229"></a>00229 <span class="comment">// "Foo Bar <foo@bar.xyz>"</span>
<a name="l00230"></a>00230 <span class="comment">//</span>
<a name="l00231"></a>00231 <span class="comment">// Example 2 (bad passphrase):</span>
<a name="l00232"></a>00232 <span class="comment">// gpg: encrypted with 1024-bit RSA key, ID 12345678, created 1991-01-01</span>
<a name="l00233"></a>00233 <span class="comment">// "Foo Bar <foo@bar.xyz>"</span>
<a name="l00234"></a>00234 <span class="comment">// gpg: public key decryption failed: bad passphrase</span>
<a name="l00235"></a>00235 <span class="comment">// gpg: decryption failed: secret key not available</span>
<a name="l00236"></a>00236 <span class="comment">//</span>
<a name="l00237"></a>00237 <span class="comment">// Example 3 (no secret key available):</span>
<a name="l00238"></a>00238 <span class="comment">// gpg: encrypted with RSA key, ID 12345678</span>
<a name="l00239"></a>00239 <span class="comment">// gpg: decryption failed: secret key not available</span>
<a name="l00240"></a>00240 <span class="comment">//</span>
<a name="l00241"></a>00241 <span class="comment">// Example 4 (good passphrase for second key, decryption successful):</span>
<a name="l00242"></a>00242 <span class="comment">// gpg: encrypted with 2048-bit ELG-E key, ID 12345678, created 2000-01-01</span>
<a name="l00243"></a>00243 <span class="comment">// "Foo Bar (work) <foo@bar.xyz>"</span>
<a name="l00244"></a>00244 <span class="comment">// gpg: public key decryption failed: bad passphrase</span>
<a name="l00245"></a>00245 <span class="comment">// gpg: encrypted with 2048-bit ELG-E key, ID 23456789, created 2000-02-02</span>
<a name="l00246"></a>00246 <span class="comment">// "Foo Bar (home) <foo@bar.xyz>"</span>
<a name="l00247"></a>00247 <span class="keywordflow">if</span>( error.find( <span class="stringliteral">"gpg: encrypted with"</span> ) != -1 )
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 <span class="comment">//kdDebug(5100) << "kpgpbase: message is encrypted" << endl;</span>
<a name="l00250"></a>00250 status |= ENCRYPTED;
<a name="l00251"></a>00251 <span class="keywordflow">if</span>( error.find( <span class="stringliteral">"\ngpg: decryption failed"</span> ) != -1 )
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 <span class="keywordflow">if</span>( ( index = error.find( <span class="stringliteral">"bad passphrase"</span> ) ) != -1 )
<a name="l00254"></a>00254 {
<a name="l00255"></a>00255 <span class="keywordflow">if</span>( passphrase != 0 )
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 errMsg = i18n( <span class="stringliteral">"Bad passphrase; could not decrypt."</span> );
<a name="l00258"></a>00258 kdDebug(5100) << <span class="stringliteral">"Base: passphrase is bad"</span> << endl;
<a name="l00259"></a>00259 status |= BADPHRASE;
<a name="l00260"></a>00260 status |= ERROR;
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 <span class="keywordflow">else</span>
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 <span class="comment">// Search backwards the user ID of the needed key</span>
<a name="l00265"></a>00265 index2 = error.findRev(<span class="charliteral">'"'</span>, index) - 1;
<a name="l00266"></a>00266 index = error.findRev(<span class="stringliteral">" \""</span>, index2) + 7;
<a name="l00267"></a>00267 <span class="comment">// The conversion from UTF8 is necessary because gpg stores and</span>
<a name="l00268"></a>00268 <span class="comment">// prints user IDs in UTF8</span>
<a name="l00269"></a>00269 block.setRequiredUserId( QString::fromUtf8( error.mid( index, index2 - index + 1 ) ) );
<a name="l00270"></a>00270 kdDebug(5100) << <span class="stringliteral">"Base: key needed is \""</span> << block.requiredUserId() << <span class="stringliteral">"\"!"</span> << endl;
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( error.find( <span class="stringliteral">"secret key not available"</span> ) != -1 )
<a name="l00274"></a>00274 {
<a name="l00275"></a>00275 <span class="comment">// no secret key fitting this message</span>
<a name="l00276"></a>00276 status |= NO_SEC_KEY;
<a name="l00277"></a>00277 status |= ERROR;
<a name="l00278"></a>00278 errMsg = i18n(<span class="stringliteral">"You do not have the secret key needed to decrypt this message."</span>);
<a name="l00279"></a>00279 kdDebug(5100) << <span class="stringliteral">"Base: no secret key for this message"</span> << endl;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282 <span class="comment">// check for persons</span>
<a name="l00283"></a>00283 <span class="preprocessor">#if 0</span>
<a name="l00284"></a>00284 <span class="preprocessor"></span> <span class="comment">// ##### FIXME: This information is anyway currently not used</span>
<a name="l00285"></a>00285 <span class="comment">// I'll change it to always determine the recipients.</span>
<a name="l00286"></a>00286 index = error.find(<span class="stringliteral">"can only be read by:"</span>);
<a name="l00287"></a>00287 <span class="keywordflow">if</span>(index != -1)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 index = error.find(<span class="charliteral">'\n'</span>,index);
<a name="l00290"></a>00290 <span class="keywordtype">int</span> end = error.find(<span class="stringliteral">"\n\n"</span>,index);
<a name="l00291"></a>00291
<a name="l00292"></a>00292 mRecipients.clear();
<a name="l00293"></a>00293 <span class="keywordflow">while</span>( (index2 = error.find(<span class="charliteral">'\n'</span>,index+1)) <= end )
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 QCString item = error.mid(index+1,index2-index-1);
<a name="l00296"></a>00296 item.stripWhiteSpace();
<a name="l00297"></a>00297 mRecipients.append(item);
<a name="l00298"></a>00298 index = index2;
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 <span class="preprocessor">#endif</span>
<a name="l00302"></a>00302 <span class="preprocessor"></span> }
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">// Example 1 (unknown signature key):</span>
<a name="l00305"></a>00305 <span class="comment">// gpg: Signature made Wed 02 Jan 2002 11:26:33 AM CET using DSA key ID 2E250C64</span>
<a name="l00306"></a>00306 <span class="comment">// gpg: Can't check signature: public key not found</span>
<a name="l00307"></a>00307 <span class="keywordflow">if</span>((index = error.find(<span class="stringliteral">"Signature made"</span>)) != -1)
<a name="l00308"></a>00308 {
<a name="l00309"></a>00309 <span class="comment">//kdDebug(5100) << "Base: message is signed" << endl;</span>
<a name="l00310"></a>00310 status |= SIGNED;
<a name="l00311"></a>00311 <span class="comment">// get signature date and signature key ID</span>
<a name="l00312"></a>00312 <span class="comment">// Example: Signature made Sun 06 May 2001 03:49:27 PM CEST using DSA key ID 12345678</span>
<a name="l00313"></a>00313 index2 = error.find(<span class="stringliteral">"using"</span>, index+15);
<a name="l00314"></a>00314 block.setSignatureDate( error.mid(index+15, index2-(index+15)-1) );
<a name="l00315"></a>00315 kdDebug(5100) << <span class="stringliteral">"Message was signed on '"</span> << block.signatureDate() << <span class="stringliteral">"'\n"</span>;
<a name="l00316"></a>00316 index2 = error.find(<span class="stringliteral">"key ID "</span>, index2) + 7;
<a name="l00317"></a>00317 block.setSignatureKeyId( error.mid(index2,8) );
<a name="l00318"></a>00318 kdDebug(5100) << <span class="stringliteral">"Message was signed with key '"</span> << block.signatureKeyId() << <span class="stringliteral">"'\n"</span>;
<a name="l00319"></a>00319 <span class="comment">// move index to start of next line</span>
<a name="l00320"></a>00320 index = error.find(<span class="charliteral">'\n'</span>, index2)+1;
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="keywordflow">if</span> ((error.find(<span class="stringliteral">"Key matching expected"</span>, index) != -1)
<a name="l00323"></a>00323 || (error.find(<span class="stringliteral">"Can't check signature"</span>, index) != -1))
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 status |= UNKNOWN_SIG;
<a name="l00326"></a>00326 status |= GOODSIG;
<a name="l00327"></a>00327 block.setSignatureUserId( QString::null );
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( error.find(<span class="stringliteral">"Good signature"</span>, index) != -1 )
<a name="l00330"></a>00330 {
<a name="l00331"></a>00331 status |= GOODSIG;
<a name="l00332"></a>00332 <span class="comment">// get the primary user ID of the signer</span>
<a name="l00333"></a>00333 index = error.find(<span class="charliteral">'"'</span>,index);
<a name="l00334"></a>00334 index2 = error.find(<span class="charliteral">'\n'</span>,index+1);
<a name="l00335"></a>00335 index2 = error.findRev(<span class="charliteral">'"'</span>, index2-1);
<a name="l00336"></a>00336 block.setSignatureUserId( error.mid( index+1, index2-index-1 ) );
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( error.find(<span class="stringliteral">"BAD signature"</span>, index) != -1 )
<a name="l00339"></a>00339 {
<a name="l00340"></a>00340 <span class="comment">//kdDebug(5100) << "BAD signature" << endl;</span>
<a name="l00341"></a>00341 status |= ERROR;
<a name="l00342"></a>00342 <span class="comment">// get the primary user ID of the signer</span>
<a name="l00343"></a>00343 index = error.find(<span class="charliteral">'"'</span>,index);
<a name="l00344"></a>00344 index2 = error.find(<span class="charliteral">'\n'</span>,index+1);
<a name="l00345"></a>00345 index2 = error.findRev(<span class="charliteral">'"'</span>, index2-1);
<a name="l00346"></a>00346 block.setSignatureUserId( error.mid( index+1, index2-index-1 ) );
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( error.find(<span class="stringliteral">"Can't find the right public key"</span>, index) != -1 )
<a name="l00349"></a>00349 {
<a name="l00350"></a>00350 <span class="comment">// #### fix this hack</span>
<a name="l00351"></a>00351 <span class="comment">// I think this can't happen anymore because if the pubring is missing</span>
<a name="l00352"></a>00352 <span class="comment">// the current GnuPG creates a new empty one.</span>
<a name="l00353"></a>00353 status |= UNKNOWN_SIG;
<a name="l00354"></a>00354 status |= GOODSIG; <span class="comment">// this is a hack...</span>
<a name="l00355"></a>00355 block.setSignatureUserId( i18n(<span class="stringliteral">"??? (file ~/.gnupg/pubring.gpg not found)"</span>) );
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357 <span class="keywordflow">else</span>
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 status |= ERROR;
<a name="l00360"></a>00360 block.setSignatureUserId( QString::null );
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 }
<a name="l00363"></a>00363 <span class="comment">//kdDebug(5100) << "status = " << status << endl;</span>
<a name="l00364"></a>00364 block.setStatus( status );
<a name="l00365"></a>00365 <span class="keywordflow">return</span> status;
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368
<a name="l00369"></a>00369 Key*
<a name="l00370"></a>00370 BaseG::readPublicKey( <span class="keyword">const</span> KeyID& keyID,
<a name="l00371"></a>00371 <span class="keyword">const</span> <span class="keywordtype">bool</span> readTrust <span class="comment">/* = false */</span>,
<a name="l00372"></a>00372 Key* key <span class="comment">/* = 0 */</span> )
<a name="l00373"></a>00373 {
<a name="l00374"></a>00374 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00375"></a>00375
<a name="l00376"></a>00376 status = 0;
<a name="l00377"></a>00377 <span class="keywordflow">if</span>( readTrust )
<a name="l00378"></a>00378 exitStatus = runGpg( <span class="stringliteral">"--batch --list-public-keys --with-fingerprint --with-colons --fixed-list-mode 0x"</span> + keyID, 0, <span class="keyword">true</span> );
<a name="l00379"></a>00379 <span class="keywordflow">else</span>
<a name="l00380"></a>00380 exitStatus = runGpg( <span class="stringliteral">"--batch --list-public-keys --with-fingerprint --with-colons --fixed-list-mode --no-expensive-trust-checks 0x"</span> + keyID, 0, <span class="keyword">true</span> );
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keywordflow">if</span>(exitStatus != 0) {
<a name="l00383"></a>00383 status = ERROR;
<a name="l00384"></a>00384 <span class="keywordflow">return</span> 0;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordtype">int</span> offset;
<a name="l00388"></a>00388 <span class="comment">// search start of key data</span>
<a name="l00389"></a>00389 <span class="keywordflow">if</span>( !strncmp( output.data(), <span class="stringliteral">"pub:"</span>, 4 ) )
<a name="l00390"></a>00390 offset = 0;
<a name="l00391"></a>00391 <span class="keywordflow">else</span> {
<a name="l00392"></a>00392 offset = output.find( <span class="stringliteral">"\npub:"</span> );
<a name="l00393"></a>00393 <span class="keywordflow">if</span>( offset == -1 )
<a name="l00394"></a>00394 <span class="keywordflow">return</span> 0;
<a name="l00395"></a>00395 <span class="keywordflow">else</span>
<a name="l00396"></a>00396 offset++;
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398
<a name="l00399"></a>00399 key = parseKeyData( output, offset, key );
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordflow">return</span> key;
<a name="l00402"></a>00402 }
<a name="l00403"></a>00403
<a name="l00404"></a>00404
<a name="l00405"></a>00405 KeyList
<a name="l00406"></a>00406 BaseG::publicKeys( <span class="keyword">const</span> QStringList & patterns )
<a name="l00407"></a>00407 {
<a name="l00408"></a>00408 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00409"></a>00409
<a name="l00410"></a>00410 <span class="comment">// the option --with-colons should be used for interprocess communication</span>
<a name="l00411"></a>00411 <span class="comment">// with gpg (according to Werner Koch)</span>
<a name="l00412"></a>00412 QCString cmd = <span class="stringliteral">"--batch --list-public-keys --with-fingerprint --with-colons "</span>
<a name="l00413"></a>00413 <span class="stringliteral">"--fixed-list-mode --no-expensive-trust-checks"</span>;
<a name="l00414"></a>00414 <span class="keywordflow">for</span> ( QStringList::ConstIterator it = patterns.begin();
<a name="l00415"></a>00415 it != patterns.end(); ++it ) {
<a name="l00416"></a>00416 cmd += <span class="stringliteral">" "</span>;
<a name="l00417"></a>00417 cmd += KProcess::quote( *it ).local8Bit();
<a name="l00418"></a>00418 }
<a name="l00419"></a>00419 status = 0;
<a name="l00420"></a>00420 exitStatus = runGpg( cmd, 0, <span class="keyword">true</span> );
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="keywordflow">if</span>(exitStatus != 0) {
<a name="l00423"></a>00423 status = ERROR;
<a name="l00424"></a>00424 <span class="keywordflow">return</span> KeyList();
<a name="l00425"></a>00425 }
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <span class="comment">// now we need to parse the output for public keys</span>
<a name="l00428"></a>00428 KeyList publicKeys = parseKeyList(output, <span class="keyword">false</span>);
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="comment">// sort the list of public keys</span>
<a name="l00431"></a>00431 publicKeys.sort();
<a name="l00432"></a>00432
<a name="l00433"></a>00433 <span class="keywordflow">return</span> publicKeys;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436
<a name="l00437"></a>00437 KeyList
<a name="l00438"></a>00438 BaseG::secretKeys( <span class="keyword">const</span> QStringList & patterns )
<a name="l00439"></a>00439 {
<a name="l00440"></a>00440 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00441"></a>00441
<a name="l00442"></a>00442 <span class="comment">// the option --with-colons should be used for interprocess communication</span>
<a name="l00443"></a>00443 <span class="comment">// with gpg (according to Werner Koch)</span>
<a name="l00444"></a>00444 QCString cmd = <span class="stringliteral">"--batch --list-secret-keys --with-fingerprint --with-colons "</span>
<a name="l00445"></a>00445 <span class="stringliteral">"--fixed-list-mode"</span>;
<a name="l00446"></a>00446 <span class="keywordflow">for</span> ( QStringList::ConstIterator it = patterns.begin();
<a name="l00447"></a>00447 it != patterns.end(); ++it ) {
<a name="l00448"></a>00448 cmd += <span class="stringliteral">" "</span>;
<a name="l00449"></a>00449 cmd += KProcess::quote( *it ).local8Bit();
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 status = 0;
<a name="l00452"></a>00452 exitStatus = runGpg( cmd, 0, <span class="keyword">true</span> );
<a name="l00453"></a>00453
<a name="l00454"></a>00454 <span class="keywordflow">if</span>(exitStatus != 0) {
<a name="l00455"></a>00455 status = ERROR;
<a name="l00456"></a>00456 <span class="keywordflow">return</span> KeyList();
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458
<a name="l00459"></a>00459 <span class="comment">// now we need to parse the output for secret keys</span>
<a name="l00460"></a>00460 KeyList secretKeys = parseKeyList(output, <span class="keyword">true</span>);
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="comment">// sort the list of secret keys</span>
<a name="l00463"></a>00463 secretKeys.sort();
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="keywordflow">return</span> secretKeys;
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467
<a name="l00468"></a>00468
<a name="l00469"></a>00469 <span class="keywordtype">int</span>
<a name="l00470"></a>00470 BaseG::signKey(<span class="keyword">const</span> KeyID& keyID, <span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase)
<a name="l00471"></a>00471 {
<a name="l00472"></a>00472 QCString cmd;
<a name="l00473"></a>00473 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00474"></a>00474
<a name="l00475"></a>00475 cmd = <span class="stringliteral">"--batch"</span>;
<a name="l00476"></a>00476 cmd += addUserId();
<a name="l00477"></a>00477 cmd += <span class="stringliteral">" --sign-key 0x"</span>;
<a name="l00478"></a>00478 cmd += keyID;
<a name="l00479"></a>00479
<a name="l00480"></a>00480 status = 0;
<a name="l00481"></a>00481 exitStatus = runGpg(cmd.data(), passphrase);
<a name="l00482"></a>00482
<a name="l00483"></a>00483 <span class="keywordflow">if</span> (exitStatus != 0)
<a name="l00484"></a>00484 status = ERROR;
<a name="l00485"></a>00485
<a name="l00486"></a>00486 <span class="keywordflow">return</span> status;
<a name="l00487"></a>00487 }
<a name="l00488"></a>00488
<a name="l00489"></a>00489
<a name="l00490"></a>00490 QCString
<a name="l00491"></a>00491 BaseG::getAsciiPublicKey(<span class="keyword">const</span> KeyID& keyID)
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 <span class="keywordtype">int</span> exitStatus = 0;
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keywordflow">if</span> (keyID.isEmpty())
<a name="l00496"></a>00496 <span class="keywordflow">return</span> QCString();
<a name="l00497"></a>00497
<a name="l00498"></a>00498 status = 0;
<a name="l00499"></a>00499 exitStatus = runGpg(<span class="stringliteral">"--batch --armor --export 0x"</span> + keyID, 0, <span class="keyword">true</span>);
<a name="l00500"></a>00500
<a name="l00501"></a>00501 <span class="keywordflow">if</span>(exitStatus != 0) {
<a name="l00502"></a>00502 status = ERROR;
<a name="l00503"></a>00503 <span class="keywordflow">return</span> QCString();
<a name="l00504"></a>00504 }
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="keywordflow">return</span> output;
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508
<a name="l00509"></a>00509
<a name="l00510"></a>00510 Key*
<a name="l00511"></a>00511 BaseG::parseKeyData( <span class="keyword">const</span> QCString& output, <span class="keywordtype">int</span>& offset, Key* key <span class="comment">/* = 0 */</span> )
<a name="l00512"></a>00512 <span class="comment">// This function parses the data for a single key which is output by GnuPG</span>
<a name="l00513"></a>00513 <span class="comment">// with the following command line arguments:</span>
<a name="l00514"></a>00514 <span class="comment">// --batch --list-public-keys --with-fingerprint --with-colons</span>
<a name="l00515"></a>00515 <span class="comment">// --fixed-list-mode [--no-expensive-trust-checks]</span>
<a name="l00516"></a>00516 <span class="comment">// It expects the key data to start at offset and returns the start of</span>
<a name="l00517"></a>00517 <span class="comment">// the next key's data in offset.</span>
<a name="l00518"></a>00518 <span class="comment">// Subkeys are currently ignored.</span>
<a name="l00519"></a>00519 {
<a name="l00520"></a>00520 <span class="keywordtype">int</span> index = offset;
<a name="l00521"></a>00521
<a name="l00522"></a>00522 <span class="keywordflow">if</span>( ( strncmp( output.data() + offset, <span class="stringliteral">"pub:"</span>, 4 ) != 0 )
<a name="l00523"></a>00523 && ( strncmp( output.data() + offset, <span class="stringliteral">"sec:"</span>, 4 ) != 0 ) ) {
<a name="l00524"></a>00524 <span class="keywordflow">return</span> 0;
<a name="l00525"></a>00525 }
<a name="l00526"></a>00526
<a name="l00527"></a>00527 <span class="keywordflow">if</span>( key == 0 )
<a name="l00528"></a>00528 key = <span class="keyword">new</span> Key();
<a name="l00529"></a>00529 <span class="keywordflow">else</span>
<a name="l00530"></a>00530 key->clear();
<a name="l00531"></a>00531
<a name="l00532"></a>00532 QCString keyID;
<a name="l00533"></a>00533 <span class="keywordtype">bool</span> firstKey = <span class="keyword">true</span>;
<a name="l00534"></a>00534
<a name="l00535"></a>00535 <span class="keywordflow">while</span>( <span class="keyword">true</span> )
<a name="l00536"></a>00536 {
<a name="l00537"></a>00537 <span class="keywordtype">int</span> eol;
<a name="l00538"></a>00538 <span class="comment">// search the end of the current line</span>
<a name="l00539"></a>00539 <span class="keywordflow">if</span>( ( eol = output.find( <span class="charliteral">'\n'</span>, index ) ) == -1 )
<a name="l00540"></a>00540 <span class="keywordflow">break</span>;
<a name="l00541"></a>00541
<a name="l00542"></a>00542 <span class="keywordtype">bool</span> bIsPublicKey = <span class="keyword">false</span>;
<a name="l00543"></a>00543 <span class="keywordflow">if</span>( ( bIsPublicKey = !strncmp( output.data() + index, <span class="stringliteral">"pub:"</span>, 4 ) )
<a name="l00544"></a>00544 || !strncmp( output.data() + index, <span class="stringliteral">"sec:"</span>, 4 ) )
<a name="l00545"></a>00545 { <span class="comment">// line contains primary key data</span>
<a name="l00546"></a>00546 <span class="comment">// Example: pub:f:1024:17:63CB691DFAEBD5FC:860451781::379:-:::scESC:</span>
<a name="l00547"></a>00547
<a name="l00548"></a>00548 <span class="comment">// abort parsing if we found the start of the next key</span>
<a name="l00549"></a>00549 <span class="keywordflow">if</span>( !firstKey )
<a name="l00550"></a>00550 <span class="keywordflow">break</span>;
<a name="l00551"></a>00551 firstKey = <span class="keyword">false</span>;
<a name="l00552"></a>00552
<a name="l00553"></a>00553 key->setSecret( !bIsPublicKey );
<a name="l00554"></a>00554
<a name="l00555"></a>00555 Subkey *subkey = <span class="keyword">new</span> Subkey( QCString(), !bIsPublicKey );
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="keywordtype">int</span> pos = index + 4; <span class="comment">// begin of 2nd field</span>
<a name="l00558"></a>00558 <span class="keywordtype">int</span> pos2 = output.find( <span class="charliteral">':'</span>, pos );
<a name="l00559"></a>00559 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> field = 2; field <= 12; field++ )
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 <span class="keywordflow">switch</span>( field )
<a name="l00562"></a>00562 {
<a name="l00563"></a>00563 <span class="keywordflow">case</span> 2: <span class="comment">// the calculated trust</span>
<a name="l00564"></a>00564 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00565"></a>00565 {
<a name="l00566"></a>00566 <span class="keywordflow">switch</span>( output[pos] )
<a name="l00567"></a>00567 {
<a name="l00568"></a>00568 <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: <span class="comment">// unknown (this key is new to the system)</span>
<a name="l00569"></a>00569 <span class="keywordflow">break</span>;
<a name="l00570"></a>00570 <span class="keywordflow">case</span> <span class="charliteral">'i'</span>: <span class="comment">// the key is invalid, e.g. missing self-signature</span>
<a name="l00571"></a>00571 subkey->setInvalid( <span class="keyword">true</span> );
<a name="l00572"></a>00572 key->setInvalid( <span class="keyword">true</span> );
<a name="l00573"></a>00573 <span class="keywordflow">break</span>;
<a name="l00574"></a>00574 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>: <span class="comment">// the key has been disabled</span>
<a name="l00575"></a>00575 subkey->setDisabled( <span class="keyword">true</span> );
<a name="l00576"></a>00576 key->setDisabled( <span class="keyword">true</span> );
<a name="l00577"></a>00577 <span class="keywordflow">break</span>;
<a name="l00578"></a>00578 <span class="keywordflow">case</span> <span class="charliteral">'r'</span>: <span class="comment">// the key has been revoked</span>
<a name="l00579"></a>00579 subkey->setRevoked( <span class="keyword">true</span> );
<a name="l00580"></a>00580 key->setRevoked( <span class="keyword">true</span> );
<a name="l00581"></a>00581 <span class="keywordflow">break</span>;
<a name="l00582"></a>00582 <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: <span class="comment">// the key has expired</span>
<a name="l00583"></a>00583 subkey->setExpired( <span class="keyword">true</span> );
<a name="l00584"></a>00584 key->setExpired( <span class="keyword">true</span> );
<a name="l00585"></a>00585 <span class="keywordflow">break</span>;
<a name="l00586"></a>00586 <span class="keywordflow">case</span> <span class="charliteral">'-'</span>: <span class="comment">// undefined (no path leads to the key)</span>
<a name="l00587"></a>00587 <span class="keywordflow">case</span> <span class="charliteral">'q'</span>: <span class="comment">// undefined (no trusted path leads to the key)</span>
<a name="l00588"></a>00588 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>: <span class="comment">// don't trust this key at all</span>
<a name="l00589"></a>00589 <span class="keywordflow">case</span> <span class="charliteral">'m'</span>: <span class="comment">// the key is marginally trusted</span>
<a name="l00590"></a>00590 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>: <span class="comment">// the key is fully trusted</span>
<a name="l00591"></a>00591 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: <span class="comment">// the key is ultimately trusted (secret key available)</span>
<a name="l00592"></a>00592 <span class="comment">// These values are ignored since we determine the key trust</span>
<a name="l00593"></a>00593 <span class="comment">// from the trust values of the user ids.</span>
<a name="l00594"></a>00594 <span class="keywordflow">break</span>;
<a name="l00595"></a>00595 <span class="keywordflow">default</span>:
<a name="l00596"></a>00596 kdDebug(5100) << <span class="stringliteral">"Unknown trust value\n"</span>;
<a name="l00597"></a>00597 }
<a name="l00598"></a>00598 }
<a name="l00599"></a>00599 <span class="keywordflow">break</span>;
<a name="l00600"></a>00600 <span class="keywordflow">case</span> 3: <span class="comment">// length of key in bits</span>
<a name="l00601"></a>00601 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00602"></a>00602 subkey->setKeyLength( output.mid( pos, pos2-pos ).toUInt() );
<a name="l00603"></a>00603 <span class="keywordflow">break</span>;
<a name="l00604"></a>00604 <span class="keywordflow">case</span> 4: <span class="comment">// the key algorithm</span>
<a name="l00605"></a>00605 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00606"></a>00606 subkey->setKeyAlgorithm( output.mid( pos, pos2-pos ).toUInt() );
<a name="l00607"></a>00607 <span class="keywordflow">break</span>;
<a name="l00608"></a>00608 <span class="keywordflow">case</span> 5: <span class="comment">// the long key id</span>
<a name="l00609"></a>00609 keyID = output.mid( pos, pos2-pos );
<a name="l00610"></a>00610 subkey->setKeyID( keyID );
<a name="l00611"></a>00611 <span class="keywordflow">break</span>;
<a name="l00612"></a>00612 <span class="keywordflow">case</span> 6: <span class="comment">// the creation date (in seconds since 1970-01-01 00:00:00)</span>
<a name="l00613"></a>00613 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00614"></a>00614 subkey->setCreationDate( output.mid( pos, pos2-pos ).toLong() );
<a name="l00615"></a>00615 <span class="keywordflow">break</span>;
<a name="l00616"></a>00616 <span class="keywordflow">case</span> 7: <span class="comment">// the expiration date (in seconds since 1970-01-01 00:00:00)</span>
<a name="l00617"></a>00617 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00618"></a>00618 subkey->setExpirationDate( output.mid( pos, pos2-pos ).toLong() );
<a name="l00619"></a>00619 <span class="keywordflow">else</span>
<a name="l00620"></a>00620 subkey->setExpirationDate( -1 ); <span class="comment">// key expires never</span>
<a name="l00621"></a>00621 <span class="keywordflow">break</span>;
<a name="l00622"></a>00622 <span class="keywordflow">case</span> 8: <span class="comment">// local ID (ignored)</span>
<a name="l00623"></a>00623 <span class="keywordflow">case</span> 9: <span class="comment">// Ownertrust (ignored for now)</span>
<a name="l00624"></a>00624 <span class="keywordflow">case</span> 10: <span class="comment">// User-ID (always empty in --fixed-list-mode)</span>
<a name="l00625"></a>00625 <span class="keywordflow">case</span> 11: <span class="comment">// signature class (always empty except for key signatures)</span>
<a name="l00626"></a>00626 <span class="keywordflow">break</span>;
<a name="l00627"></a>00627 <span class="keywordflow">case</span> 12: <span class="comment">// key capabilities</span>
<a name="l00628"></a>00628 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> i=pos; i<pos2; i++ )
<a name="l00629"></a>00629 <span class="keywordflow">switch</span>( output[i] )
<a name="l00630"></a>00630 {
<a name="l00631"></a>00631 <span class="keywordflow">case</span> <span class="charliteral">'e'</span>:
<a name="l00632"></a>00632 subkey->setCanEncrypt( <span class="keyword">true</span> );
<a name="l00633"></a>00633 <span class="keywordflow">break</span>;
<a name="l00634"></a>00634 <span class="keywordflow">case</span> <span class="charliteral">'s'</span>:
<a name="l00635"></a>00635 subkey->setCanSign( <span class="keyword">true</span> );
<a name="l00636"></a>00636 <span class="keywordflow">break</span>;
<a name="l00637"></a>00637 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>:
<a name="l00638"></a>00638 subkey->setCanCertify( <span class="keyword">true</span> );
<a name="l00639"></a>00639 <span class="keywordflow">break</span>;
<a name="l00640"></a>00640 <span class="keywordflow">case</span> <span class="charliteral">'E'</span>:
<a name="l00641"></a>00641 key->setCanEncrypt( <span class="keyword">true</span> );
<a name="l00642"></a>00642 <span class="keywordflow">break</span>;
<a name="l00643"></a>00643 <span class="keywordflow">case</span> <span class="charliteral">'S'</span>:
<a name="l00644"></a>00644 key->setCanSign( <span class="keyword">true</span> );
<a name="l00645"></a>00645 <span class="keywordflow">break</span>;
<a name="l00646"></a>00646 <span class="keywordflow">case</span> <span class="charliteral">'C'</span>:
<a name="l00647"></a>00647 key->setCanCertify( <span class="keyword">true</span> );
<a name="l00648"></a>00648 <span class="keywordflow">break</span>;
<a name="l00649"></a>00649 <span class="keywordflow">default</span>:
<a name="l00650"></a>00650 kdDebug(5100) << <span class="stringliteral">"Unknown key capability\n"</span>;
<a name="l00651"></a>00651 }
<a name="l00652"></a>00652 <span class="keywordflow">break</span>;
<a name="l00653"></a>00653 }
<a name="l00654"></a>00654 pos = pos2 + 1;
<a name="l00655"></a>00655 pos2 = output.find( <span class="charliteral">':'</span>, pos );
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657 key->addSubkey( subkey );
<a name="l00658"></a>00658 }
<a name="l00659"></a>00659 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( !strncmp( output.data() + index, <span class="stringliteral">"uid:"</span>, 4 ) )
<a name="l00660"></a>00660 { <span class="comment">// line contains a user id</span>
<a name="l00661"></a>00661 <span class="comment">// Example: uid:f::::::::Philip R. Zimmermann <prz@pgp.com>:</span>
<a name="l00662"></a>00662
<a name="l00663"></a>00663 UserID *userID = <span class="keyword">new</span> UserID( <span class="stringliteral">""</span> );
<a name="l00664"></a>00664
<a name="l00665"></a>00665 <span class="keywordtype">int</span> pos = index + 4; <span class="comment">// begin of 2nd field</span>
<a name="l00666"></a>00666 <span class="keywordtype">int</span> pos2 = output.find( <span class="charliteral">':'</span>, pos );
<a name="l00667"></a>00667 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> field=2; field <= 10; field++ )
<a name="l00668"></a>00668 {
<a name="l00669"></a>00669 <span class="keywordflow">switch</span>( field )
<a name="l00670"></a>00670 {
<a name="l00671"></a>00671 <span class="keywordflow">case</span> 2: <span class="comment">// the calculated trust</span>
<a name="l00672"></a>00672 <span class="keywordflow">if</span>( pos2 > pos )
<a name="l00673"></a>00673 {
<a name="l00674"></a>00674 <span class="keywordflow">switch</span>( output[pos] )
<a name="l00675"></a>00675 {
<a name="l00676"></a>00676 <span class="keywordflow">case</span> <span class="charliteral">'i'</span>: <span class="comment">// the user id is invalid, e.g. missing self-signature</span>
<a name="l00677"></a>00677 userID->setInvalid( <span class="keyword">true</span> );
<a name="l00678"></a>00678 <span class="keywordflow">break</span>;
<a name="l00679"></a>00679 <span class="keywordflow">case</span> <span class="charliteral">'r'</span>: <span class="comment">// the user id has been revoked</span>
<a name="l00680"></a>00680 userID->setRevoked( <span class="keyword">true</span> );
<a name="l00681"></a>00681 <span class="keywordflow">break</span>;
<a name="l00682"></a>00682 <span class="keywordflow">case</span> <span class="charliteral">'-'</span>: <span class="comment">// undefined (no path leads to the key)</span>
<a name="l00683"></a>00683 <span class="keywordflow">case</span> <span class="charliteral">'q'</span>: <span class="comment">// undefined (no trusted path leads to the key)</span>
<a name="l00684"></a>00684 userID->setValidity( KPGP_VALIDITY_UNDEFINED );
<a name="l00685"></a>00685 <span class="keywordflow">break</span>;
<a name="l00686"></a>00686 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>: <span class="comment">// don't trust this key at all</span>
<a name="l00687"></a>00687 userID->setValidity( KPGP_VALIDITY_NEVER );
<a name="l00688"></a>00688 <span class="keywordflow">break</span>;
<a name="l00689"></a>00689 <span class="keywordflow">case</span> <span class="charliteral">'m'</span>: <span class="comment">// the key is marginally trusted</span>
<a name="l00690"></a>00690 userID->setValidity( KPGP_VALIDITY_MARGINAL );
<a name="l00691"></a>00691 <span class="keywordflow">break</span>;
<a name="l00692"></a>00692 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>: <span class="comment">// the key is fully trusted</span>
<a name="l00693"></a>00693 userID->setValidity( KPGP_VALIDITY_FULL );
<a name="l00694"></a>00694 <span class="keywordflow">break</span>;
<a name="l00695"></a>00695 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: <span class="comment">// the key is ultimately trusted (secret key available)</span>
<a name="l00696"></a>00696 userID->setValidity( KPGP_VALIDITY_ULTIMATE );
<a name="l00697"></a>00697 <span class="keywordflow">break</span>;
<a name="l00698"></a>00698 <span class="keywordflow">default</span>:
<a name="l00699"></a>00699 kdDebug(5100) << <span class="stringliteral">"Unknown trust value\n"</span>;
<a name="l00700"></a>00700 }
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702 <span class="keywordflow">break</span>;
<a name="l00703"></a>00703 <span class="keywordflow">case</span> 3: <span class="comment">// these fields are empty</span>
<a name="l00704"></a>00704 <span class="keywordflow">case</span> 4:
<a name="l00705"></a>00705 <span class="keywordflow">case</span> 5:
<a name="l00706"></a>00706 <span class="keywordflow">case</span> 6:
<a name="l00707"></a>00707 <span class="keywordflow">case</span> 7:
<a name="l00708"></a>00708 <span class="keywordflow">case</span> 8:
<a name="l00709"></a>00709 <span class="keywordflow">case</span> 9:
<a name="l00710"></a>00710 <span class="keywordflow">break</span>;
<a name="l00711"></a>00711 <span class="keywordflow">case</span> 10: <span class="comment">// User-ID</span>
<a name="l00712"></a>00712 QCString uid = output.mid( pos, pos2-pos );
<a name="l00713"></a>00713 <span class="comment">// replace "\xXX" with the corresponding character;</span>
<a name="l00714"></a>00714 <span class="comment">// other escaped characters, i.e. \n, \r etc., are ignored</span>
<a name="l00715"></a>00715 <span class="comment">// because they shouldn't appear in user IDs</span>
<a name="l00716"></a>00716 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> idx = 0 ; (idx = uid.find( <span class="stringliteral">"\\x"</span>, idx )) >= 0 ; ++idx ) {
<a name="l00717"></a>00717 <span class="keywordtype">char</span> str[2] = <span class="stringliteral">"x"</span>;
<a name="l00718"></a>00718 str[0] = (char) QString( uid.mid( idx + 2, 2 ) ).toShort( 0, 16 );
<a name="l00719"></a>00719 uid.replace( idx, 4, str );
<a name="l00720"></a>00720 }
<a name="l00721"></a>00721 QString uidString = QString::fromUtf8( uid.data() );
<a name="l00722"></a>00722 <span class="comment">// check whether uid was utf-8 encoded</span>
<a name="l00723"></a>00723 <span class="keywordtype">bool</span> isUtf8 = <span class="keyword">true</span>;
<a name="l00724"></a>00724 <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i + 1 < uidString.length(); ++i ) {
<a name="l00725"></a>00725 <span class="keywordflow">if</span> ( uidString[i].unicode() == 0xdbff &&
<a name="l00726"></a>00726 uidString[i+1].row() == 0xde ) {
<a name="l00727"></a>00727 <span class="comment">// we found a non-Unicode character (see QString::fromUtf8())</span>
<a name="l00728"></a>00728 isUtf8 = <span class="keyword">false</span>;
<a name="l00729"></a>00729 <span class="keywordflow">break</span>;
<a name="l00730"></a>00730 }
<a name="l00731"></a>00731 }
<a name="l00732"></a>00732 <span class="keywordflow">if</span>( !isUtf8 ) {
<a name="l00733"></a>00733 <span class="comment">// The user id isn't utf-8 encoded. It was most likely</span>
<a name="l00734"></a>00734 <span class="comment">// created with PGP which either used latin1 or koi8-r.</span>
<a name="l00735"></a>00735 kdDebug(5100) << <span class="stringliteral">"User Id '"</span> << uid
<a name="l00736"></a>00736 << <span class="stringliteral">"' doesn't seem to be utf-8 encoded."</span> << endl;
<a name="l00737"></a>00737
<a name="l00738"></a>00738 <span class="comment">// We determine the ratio between non-ASCII and ASCII chars.</span>
<a name="l00739"></a>00739 <span class="comment">// A koi8-r user id should have lots of non-ASCII chars.</span>
<a name="l00740"></a>00740 <span class="keywordtype">int</span> nonAsciiCount = 0, asciiCount = 0;
<a name="l00741"></a>00741
<a name="l00742"></a>00742 <span class="comment">// We only look at the first part of the user id (i. e. everything</span>
<a name="l00743"></a>00743 <span class="comment">// before the email address resp. before a comment)</span>
<a name="l00744"></a>00744 <span class="keywordflow">for</span>( <span class="keywordtype">signed</span> <span class="keywordtype">char</span>* ch = (<span class="keywordtype">signed</span> <span class="keywordtype">char</span>*)uid.data();
<a name="l00745"></a>00745 *ch && ( *ch != <span class="charliteral">'('</span> ) && ( *ch != <span class="charliteral">'<'</span> );
<a name="l00746"></a>00746 ++ch ) {
<a name="l00747"></a>00747 <span class="keywordflow">if</span>( ( ( *ch >= <span class="charliteral">'A'</span> ) && ( *ch <= <span class="charliteral">'Z'</span> ) )
<a name="l00748"></a>00748 || ( ( *ch >= <span class="charliteral">'a'</span> ) && ( *ch <= <span class="charliteral">'z'</span> ) ) )
<a name="l00749"></a>00749 ++asciiCount;
<a name="l00750"></a>00750 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( *ch < 0 )
<a name="l00751"></a>00751 ++nonAsciiCount;
<a name="l00752"></a>00752 }
<a name="l00753"></a>00753 kdDebug(5100) << <span class="stringliteral">"ascii-nonAscii ratio : "</span> << asciiCount
<a name="l00754"></a>00754 << <span class="stringliteral">":"</span> << nonAsciiCount << endl;
<a name="l00755"></a>00755 <span class="keywordflow">if</span>( nonAsciiCount > asciiCount ) {
<a name="l00756"></a>00756 <span class="comment">// assume koi8-r encoding</span>
<a name="l00757"></a>00757 kdDebug(5100) << <span class="stringliteral">"Assume koi8-r encoding."</span> << endl;
<a name="l00758"></a>00758 QTextCodec *codec = QTextCodec::codecForName(<span class="stringliteral">"KOI8-R"</span>);
<a name="l00759"></a>00759 uidString = codec->toUnicode( uid.data() );
<a name="l00760"></a>00760 <span class="comment">// check the case of the first two characters to find out</span>
<a name="l00761"></a>00761 <span class="comment">// whether the user id is probably CP1251 encoded (for some</span>
<a name="l00762"></a>00762 <span class="comment">// reason in CP1251 the lower case characters have smaller</span>
<a name="l00763"></a>00763 <span class="comment">// codes than the upper case characters, so if the first char</span>
<a name="l00764"></a>00764 <span class="comment">// of the koi8-r decoded user id is lower case and the second</span>
<a name="l00765"></a>00765 <span class="comment">// char is upper case then it's likely that the user id is</span>
<a name="l00766"></a>00766 <span class="comment">// CP1251 encoded)</span>
<a name="l00767"></a>00767 <span class="keywordflow">if</span>( ( uidString.length() >= 2 )
<a name="l00768"></a>00768 && ( uidString[0].lower() == uidString[0] )
<a name="l00769"></a>00769 && ( uidString[1].upper() == uidString[1] ) ) {
<a name="l00770"></a>00770 <span class="comment">// koi8-r decoded user id has inverted case, so assume</span>
<a name="l00771"></a>00771 <span class="comment">// CP1251 encoding</span>
<a name="l00772"></a>00772 kdDebug(5100) << <span class="stringliteral">"No, it doesn't seem to be koi8-r. "</span>
<a name="l00773"></a>00773 <span class="stringliteral">"Use CP 1251 instead."</span> << endl;
<a name="l00774"></a>00774 QTextCodec *codec = QTextCodec::codecForName(<span class="stringliteral">"CP1251"</span>);
<a name="l00775"></a>00775 uidString = codec->toUnicode( uid.data() );
<a name="l00776"></a>00776 }
<a name="l00777"></a>00777 }
<a name="l00778"></a>00778 <span class="keywordflow">else</span> {
<a name="l00779"></a>00779 <span class="comment">// assume latin1 encoding</span>
<a name="l00780"></a>00780 kdDebug(5100) << <span class="stringliteral">"Assume latin1 encoding."</span> << endl;
<a name="l00781"></a>00781 uidString = QString::fromLatin1( uid.data() );
<a name="l00782"></a>00782 }
<a name="l00783"></a>00783 }
<a name="l00784"></a>00784 userID->setText( uidString );
<a name="l00785"></a>00785 <span class="keywordflow">break</span>;
<a name="l00786"></a>00786 }
<a name="l00787"></a>00787 pos = pos2 + 1;
<a name="l00788"></a>00788 pos2 = output.find( <span class="charliteral">':'</span>, pos );
<a name="l00789"></a>00789 }
<a name="l00790"></a>00790
<a name="l00791"></a>00791 <span class="comment">// user IDs are printed in UTF-8 by gpg (if one uses --with-colons)</span>
<a name="l00792"></a>00792 key->addUserID( userID );
<a name="l00793"></a>00793 }
<a name="l00794"></a>00794 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( !strncmp( output.data() + index, <span class="stringliteral">"fpr:"</span>, 4 ) )
<a name="l00795"></a>00795 { <span class="comment">// line contains a fingerprint</span>
<a name="l00796"></a>00796 <span class="comment">// Example: fpr:::::::::17AFBAAF21064E513F037E6E63CB691DFAEBD5FC:</span>
<a name="l00797"></a>00797
<a name="l00798"></a>00798 <span class="keywordflow">if</span> (key == 0) <span class="comment">// invalid key data</span>
<a name="l00799"></a>00799 <span class="keywordflow">break</span>;
<a name="l00800"></a>00800
<a name="l00801"></a>00801 <span class="comment">// search the fingerprint (it's in the 10th field)</span>
<a name="l00802"></a>00802 <span class="keywordtype">int</span> pos = index + 4;
<a name="l00803"></a>00803 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> i = 0; i < 8; i++ )
<a name="l00804"></a>00804 pos = output.find( <span class="charliteral">':'</span>, pos ) + 1;
<a name="l00805"></a>00805 <span class="keywordtype">int</span> pos2 = output.find( <span class="charliteral">':'</span>, pos );
<a name="l00806"></a>00806
<a name="l00807"></a>00807 key->setFingerprint( keyID, output.mid( pos, pos2-pos ) );
<a name="l00808"></a>00808 }
<a name="l00809"></a>00809 index = eol + 1;
<a name="l00810"></a>00810 }
<a name="l00811"></a>00811
<a name="l00812"></a>00812 <span class="comment">//kdDebug(5100) << "finished parsing key data\n";</span>
<a name="l00813"></a>00813
<a name="l00814"></a>00814 offset = index;
<a name="l00815"></a>00815
<a name="l00816"></a>00816 <span class="keywordflow">return</span> key;
<a name="l00817"></a>00817 }
<a name="l00818"></a>00818
<a name="l00819"></a>00819
<a name="l00820"></a>00820 KeyList
<a name="l00821"></a>00821 BaseG::parseKeyList( <span class="keyword">const</span> QCString& output, <span class="keywordtype">bool</span> secretKeys )
<a name="l00822"></a>00822 {
<a name="l00823"></a>00823 KeyList keys;
<a name="l00824"></a>00824 Key *key = 0;
<a name="l00825"></a>00825 <span class="keywordtype">int</span> offset;
<a name="l00826"></a>00826
<a name="l00827"></a>00827 <span class="comment">// search start of key data</span>
<a name="l00828"></a>00828 <span class="keywordflow">if</span>( !strncmp( output.data(), <span class="stringliteral">"pub:"</span>, 4 )
<a name="l00829"></a>00829 || !strncmp( output.data(), <span class="stringliteral">"sec:"</span>, 4 ) )
<a name="l00830"></a>00830 offset = 0;
<a name="l00831"></a>00831 <span class="keywordflow">else</span> {
<a name="l00832"></a>00832 <span class="keywordflow">if</span>( secretKeys )
<a name="l00833"></a>00833 offset = output.find( <span class="stringliteral">"\nsec:"</span> );
<a name="l00834"></a>00834 <span class="keywordflow">else</span>
<a name="l00835"></a>00835 offset = output.find( <span class="stringliteral">"\npub:"</span> );
<a name="l00836"></a>00836 <span class="keywordflow">if</span>( offset == -1 )
<a name="l00837"></a>00837 <span class="keywordflow">return</span> keys;
<a name="l00838"></a>00838 <span class="keywordflow">else</span>
<a name="l00839"></a>00839 offset++;
<a name="l00840"></a>00840 }
<a name="l00841"></a>00841
<a name="l00842"></a>00842 <span class="keywordflow">do</span> {
<a name="l00843"></a>00843 key = parseKeyData( output, offset );
<a name="l00844"></a>00844 <span class="keywordflow">if</span>( key != 0 )
<a name="l00845"></a>00845 keys.append( key );
<a name="l00846"></a>00846 }
<a name="l00847"></a>00847 <span class="keywordflow">while</span>( key != 0 );
<a name="l00848"></a>00848
<a name="l00849"></a>00849 <span class="comment">//kdDebug(5100) << "finished parsing keys" << endl;</span>
<a name="l00850"></a>00850
<a name="l00851"></a>00851 <span class="keywordflow">return</span> keys;
<a name="l00852"></a>00852 }
<a name="l00853"></a>00853
<a name="l00854"></a>00854
<a name="l00855"></a>00855 } <span class="comment">// namespace Kpgp</span>
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