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/* vi: ts=8 sts=4 sw=4
*
* $Id$
*
* This file is part of the KDE project, module tdesu.
* Copyright (C) 1999,2000 Geert Jansen <jansen@kde.org>
*
* This is free software; you can use this library under the GNU Library
* General Public License, version 2. See the file "COPYING.LIB" for the
* exact licensing terms.
*
* kcookie.cpp: KDE authentication cookies.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqglobal.h>
#include <tqfile.h>
#include <dcopclient.h>
#include <kdebug.h>
#include <kprocess.h>
#include "kcookie.h"
KCookie::KCookie()
{
#ifdef Q_WS_X11
getXCookie();
#endif
setDcopTransport("local");
}
void KCookie::setDcopTransport(const TQCString &dcopTransport)
{
m_dcopTransport = dcopTransport;
m_bHaveDCOPCookies = false;
m_bHaveICECookies = false;
m_DCOPSrv = "";
m_DCOPAuth = "";
m_ICEAuth = "";
}
QCStringList KCookie::split(const TQCString &line, char ch)
{
QCStringList result;
int i=0, pos;
while ((pos = line.find(ch, i)) != -1)
{
result += line.mid(i, pos-i);
i = pos+1;
}
if (i < (int) line.length())
result += line.mid(i);
return result;
}
void KCookie::blockSigChild()
{
sigset_t sset;
sigemptyset(&sset);
sigaddset(&sset, SIGCHLD);
sigprocmask(SIG_BLOCK, &sset, 0L);
}
void KCookie::unblockSigChild()
{
sigset_t sset;
sigemptyset(&sset);
sigaddset(&sset, SIGCHLD);
sigprocmask(SIG_UNBLOCK, &sset, 0L);
}
void KCookie::getXCookie()
{
char buf[1024];
FILE *f;
#ifdef Q_WS_X11
m_Display = getenv("DISPLAY");
#else
m_Display = getenv("QWS_DISPLAY");
#endif
if (m_Display.isEmpty())
{
kdError(900) << k_lineinfo << "$DISPLAY is not set.\n";
return;
}
#ifdef Q_WS_X11 // No need to mess with X Auth stuff
TQCString disp = m_Display;
if (!memcmp(disp.data(), "localhost:", 10))
disp.remove(0, 9);
TQString cmd = "xauth list "+KProcess::quote(disp);
blockSigChild(); // pclose uses waitpid()
if (!(f = popen(TQFile::encodeName(cmd), "r")))
{
kdError(900) << k_lineinfo << "popen(): " << perror << "\n";
unblockSigChild();
return;
}
TQCString output = fgets(buf, 1024, f);
if (pclose(f) < 0)
{
kdError(900) << k_lineinfo << "Could not run xauth.\n";
unblockSigChild();
return;
}
unblockSigChild();
output = output.simplifyWhiteSpace();
if (output.isEmpty())
{
kdWarning(900) << "No X authentication info set for display " <<
m_Display << endl; return;
}
QCStringList lst = split(output, ' ');
if (lst.count() != 3)
{
kdError(900) << k_lineinfo << "parse error.\n";
return;
}
m_DisplayAuth = (lst[1] + ' ' + lst[2]);
#endif
}
void KCookie::getICECookie()
{
FILE *f;
char buf[1024];
TQCString dcopsrv = getenv("DCOPSERVER");
if (dcopsrv.isEmpty())
{
TQCString dcopFile = DCOPClient::dcopServerFile();
if (!(f = fopen(dcopFile, "r")))
{
kdWarning(900) << k_lineinfo << "Cannot open " << dcopFile << ".\n";
return;
}
dcopsrv = fgets(buf, 1024, f);
dcopsrv = dcopsrv.stripWhiteSpace();
fclose(f);
}
QCStringList dcopServerList = split(dcopsrv, ',');
if (dcopServerList.isEmpty())
{
kdError(900) << k_lineinfo << "No DCOP servers found.\n";
return;
}
QCStringList::Iterator it;
for (it=dcopServerList.begin(); it != dcopServerList.end(); ++it)
{
if (strncmp((*it).data(), m_dcopTransport.data(), m_dcopTransport.length()) != 0)
continue;
m_DCOPSrv = *it;
TQCString cmd = DCOPClient::iceauthPath()+" list netid="+TQFile::encodeName(KProcess::quote(m_DCOPSrv));
blockSigChild();
if (!(f = popen(cmd, "r")))
{
kdError(900) << k_lineinfo << "popen(): " << perror << "\n";
unblockSigChild();
break;
}
QCStringList output;
while (fgets(buf, 1024, f))
output += buf;
if (pclose(f) < 0)
{
kdError(900) << k_lineinfo << "Could not run iceauth.\n";
unblockSigChild();
break;
}
unblockSigChild();
QCStringList::Iterator it2;
for (it2=output.begin(); it2!=output.end(); ++it2)
{
QCStringList lst = split((*it2).simplifyWhiteSpace(), ' ');
if (lst.count() != 5)
{
kdError(900) << "parse error.\n";
break;
}
if (lst[0] == "DCOP")
m_DCOPAuth = (lst[3] + ' ' + lst[4]);
else if (lst[0] == "ICE")
m_ICEAuth = (lst[3] + ' ' + lst[4]);
else
kdError(900) << k_lineinfo << "unknown protocol: " << lst[0] << "\n";
}
break;
}
m_bHaveDCOPCookies = true;
m_bHaveICECookies = true;
}
TQCString KCookie::dcopServer()
{
if (!m_bHaveDCOPCookies)
getICECookie();
return m_DCOPSrv;
}
TQCString KCookie::dcopAuth()
{
if (!m_bHaveDCOPCookies)
getICECookie();
return m_DCOPAuth;
}
TQCString KCookie::iceAuth()
{
if (!m_bHaveICECookies)
getICECookie();
return m_ICEAuth;
}
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