KDEsu
kcookie.cpp
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00015 #include <stdio.h>
00016 #include <stdlib.h>
00017 #include <string.h>
00018 #include <unistd.h>
00019 #include <errno.h>
00020 #include <signal.h>
00021
00022 #include <qstring.h>
00023 #include <qstringlist.h>
00024 #include <qglobal.h>
00025 #include <qfile.h>
00026
00027 #include <dcopclient.h>
00028
00029 #include <kdebug.h>
00030 #include <kprocess.h>
00031 #include "kcookie.h"
00032
00033
00034 KCookie::KCookie()
00035 {
00036 #ifdef Q_WS_X11
00037 getXCookie();
00038 #endif
00039 setDcopTransport("local");
00040 }
00041
00042 void KCookie::setDcopTransport(const QCString &dcopTransport)
00043 {
00044 m_dcopTransport = dcopTransport;
00045 m_bHaveDCOPCookies = false;
00046 m_bHaveICECookies = false;
00047 m_DCOPSrv = "";
00048 m_DCOPAuth = "";
00049 m_ICEAuth = "";
00050 }
00051
00052 QCStringList KCookie::split(const QCString &line, char ch)
00053 {
00054 QCStringList result;
00055
00056 int i=0, pos;
00057 while ((pos = line.find(ch, i)) != -1)
00058 {
00059 result += line.mid(i, pos-i);
00060 i = pos+1;
00061 }
00062 if (i < (int) line.length())
00063 result += line.mid(i);
00064 return result;
00065 }
00066
00067 void KCookie::blockSigChild()
00068 {
00069 sigset_t sset;
00070 sigemptyset(&sset);
00071 sigaddset(&sset, SIGCHLD);
00072 sigprocmask(SIG_BLOCK, &sset, 0L);
00073 }
00074
00075 void KCookie::unblockSigChild()
00076 {
00077 sigset_t sset;
00078 sigemptyset(&sset);
00079 sigaddset(&sset, SIGCHLD);
00080 sigprocmask(SIG_UNBLOCK, &sset, 0L);
00081 }
00082
00083 void KCookie::getXCookie()
00084 {
00085 char buf[1024];
00086 FILE *f;
00087
00088 #ifdef Q_WS_X11
00089 m_Display = getenv("DISPLAY");
00090 #else
00091 m_Display = getenv("QWS_DISPLAY");
00092 #endif
00093 if (m_Display.isEmpty())
00094 {
00095 kdError(900) << k_lineinfo << "$DISPLAY is not set.\n";
00096 return;
00097 }
00098 #ifdef Q_WS_X11 // No need to mess with X Auth stuff
00099 QCString disp = m_Display;
00100 if (!memcmp(disp.data(), "localhost:", 10))
00101 disp.remove(0, 9);
00102
00103 QString cmd = "xauth list "+KProcess::quote(disp);
00104 blockSigChild();
00105 if (!(f = popen(QFile::encodeName(cmd), "r")))
00106 {
00107 kdError(900) << k_lineinfo << "popen(): " << perror << "\n";
00108 unblockSigChild();
00109 return;
00110 }
00111 QCString output = fgets(buf, 1024, f);
00112 if (pclose(f) < 0)
00113 {
00114 kdError(900) << k_lineinfo << "Could not run xauth.\n";
00115 unblockSigChild();
00116 return;
00117 }
00118 unblockSigChild();
00119 output = output.simplifyWhiteSpace();
00120 if (output.isEmpty())
00121 {
00122 kdWarning(900) << "No X authentication info set for display " <<
00123 m_Display << endl; return;
00124 }
00125 QCStringList lst = split(output, ' ');
00126 if (lst.count() != 3)
00127 {
00128 kdError(900) << k_lineinfo << "parse error.\n";
00129 return;
00130 }
00131 m_DisplayAuth = (lst[1] + ' ' + lst[2]);
00132 #endif
00133 }
00134
00135 void KCookie::getICECookie()
00136 {
00137 FILE *f;
00138 char buf[1024];
00139
00140 QCString dcopsrv = getenv("DCOPSERVER");
00141 if (dcopsrv.isEmpty())
00142 {
00143 QCString dcopFile = DCOPClient::dcopServerFile();
00144 if (!(f = fopen(dcopFile, "r")))
00145 {
00146 kdWarning(900) << k_lineinfo << "Cannot open " << dcopFile << ".\n";
00147 return;
00148 }
00149 dcopsrv = fgets(buf, 1024, f);
00150 dcopsrv = dcopsrv.stripWhiteSpace();
00151 fclose(f);
00152 }
00153 QCStringList dcopServerList = split(dcopsrv, ',');
00154 if (dcopServerList.isEmpty())
00155 {
00156 kdError(900) << k_lineinfo << "No DCOP servers found.\n";
00157 return;
00158 }
00159
00160 QCStringList::Iterator it;
00161 for (it=dcopServerList.begin(); it != dcopServerList.end(); ++it)
00162 {
00163 if (strncmp((*it).data(), m_dcopTransport.data(), m_dcopTransport.length()) != 0)
00164 continue;
00165 m_DCOPSrv = *it;
00166 QCString cmd = DCOPClient::iceauthPath()+" list netid="+QFile::encodeName(KProcess::quote(m_DCOPSrv));
00167 blockSigChild();
00168 if (!(f = popen(cmd, "r")))
00169 {
00170 kdError(900) << k_lineinfo << "popen(): " << perror << "\n";
00171 unblockSigChild();
00172 break;
00173 }
00174 QCStringList output;
00175 while (fgets(buf, 1024, f))
00176 output += buf;
00177 if (pclose(f) < 0)
00178 {
00179 kdError(900) << k_lineinfo << "Could not run iceauth.\n";
00180 unblockSigChild();
00181 break;
00182 }
00183 unblockSigChild();
00184 QCStringList::Iterator it2;
00185 for (it2=output.begin(); it2!=output.end(); ++it2)
00186 {
00187 QCStringList lst = split((*it2).simplifyWhiteSpace(), ' ');
00188 if (lst.count() != 5)
00189 {
00190 kdError(900) << "parse error.\n";
00191 break;
00192 }
00193 if (lst[0] == "DCOP")
00194 m_DCOPAuth = (lst[3] + ' ' + lst[4]);
00195 else if (lst[0] == "ICE")
00196 m_ICEAuth = (lst[3] + ' ' + lst[4]);
00197 else
00198 kdError(900) << k_lineinfo << "unknown protocol: " << lst[0] << "\n";
00199 }
00200 break;
00201 }
00202 m_bHaveDCOPCookies = true;
00203 m_bHaveICECookies = true;
00204 }
00205
00206 QCString KCookie::dcopServer()
00207 {
00208 if (!m_bHaveDCOPCookies)
00209 getICECookie();
00210 return m_DCOPSrv;
00211 }
00212
00213 QCString KCookie::dcopAuth()
00214 {
00215 if (!m_bHaveDCOPCookies)
00216 getICECookie();
00217 return m_DCOPAuth;
00218 }
00219
00220 QCString KCookie::iceAuth()
00221 {
00222 if (!m_bHaveICECookies)
00223 getICECookie();
00224 return m_ICEAuth;
00225 }
KDE 3.5 API Reference 