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/* vi: ts=8 sts=4 sw=4
*
* $Id$
*
* This file is part of the KDE project, module kdesu.
* Copyright (C) 2000 Geert Jansen <jansen@kde.org>
*/
#include <config.h>
#include <unistd.h>
#include <string.h>
#include <pwd.h>
#include <stdlib.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <kdebug.h>
#include <kapplication.h>
#include <kstandarddirs.h>
#include <kconfig.h>
#include <klocale.h>
#include <kaboutdata.h>
#include <kcmdlineargs.h>
#include <kmessagebox.h>
#include <kdesu/ssh.h>
#include <kdesu/client.h>
#include <kdesu/defaults.h>
#include "sshdlg.h"
static KCmdLineOptions options[] =
{
{ "+host", I18N_NOOP("Specifies the remote host"), 0 },
{ "+command", I18N_NOOP("The command to run"), 0 },
{ "u <user>", I18N_NOOP("Specifies the target uid"), 0 },
{ "s <path>", I18N_NOOP("Specify remote stub location"), "kdesu_stub" },
{ "n", I18N_NOOP("Do not keep password"), 0 },
{ "q", I18N_NOOP("Stop the daemon (forgets all passwords)"), 0 },
{ "t", I18N_NOOP("Enable terminal output (no password keeping)"), 0 },
KCmdLineLastOption
};
int main(int argc, char *argv[])
{
KAboutData aboutData("kdessh", I18N_NOOP("KDE ssh"),
VERSION, I18N_NOOP("Runs a program on a remote host"),
KAboutData::License_Artistic,
"Copyright (c) 2000 Geert Jansen");
aboutData.addAuthor("Geert Jansen", I18N_NOOP("Maintainer"),
"jansen@kde.org", "http://www.stack.nl/~geertj/");
KCmdLineArgs::init(argc, argv, &aboutData);
KCmdLineArgs::addCmdLineOptions(options);
KApplication app;
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
// Stop daemon and exit?
if (args->isSet("q"))
{
KDEsuClient client;
if (client.ping() == -1)
{
kdError(1511) << "Daemon not running -- nothing to stop\n";
exit(1);
}
if (client.stopServer() != -1)
{
kdDebug(1511) << "Daemon stopped\n";
exit(0);
}
kdError(1511) << "Could not stop daemon\n";
exit(1);
}
if (args->count() < 2)
KCmdLineArgs::usage(i18n("No command or host specified."));
// Check if ssh is available
if (KStandardDirs::findExe(TQString::fromLatin1("ssh")).isEmpty())
{
kdError(1511) << "ssh not found\n";
exit(1);
}
// Get remote userid
TQCString user = args->getOption("u");
if (user.isNull())
{
struct passwd *pw = getpwuid(getuid());
if (pw == 0L)
{
kdError(1511) << "You don't exist!\n";
exit(1);
}
user = pw->pw_name;
}
// Remote stub location
TQCString stub = args->getOption("s");
// Get remote host, command
TQCString host = args->arg(0);
TQCString command = args->arg(1);
for (int i=2; i<args->count(); i++)
{
command += " ";
command += args->arg(i);
}
// Check for daemon and start if necessary
bool have_daemon = true;
KDEsuClient client;
if (!client.isServerSGID())
{
kdWarning(1511) << "Daemon not safe (not sgid), not using it.\n";
have_daemon = false;
}
else if ((client.ping() == -1) && (client.startServer() == -1))
{
kdWarning(1511) << "Could not start daemon, reduced functionality.\n";
have_daemon = false;
}
// Try to exec the command with kdesud?
bool keep = !args->isSet("n") && have_daemon;
bool terminal = args->isSet("t");
if (keep && !terminal)
{
client.setHost(host);
if (client.exec(command, user) != -1)
return 0;
}
// Set core dump size to 0 because we will have
// root's password in memory.
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = 0;
if (setrlimit(RLIMIT_CORE, &rlim))
{
kdError(1511) << "rlimit(): " << perror << "\n";
exit(1);
}
// Read configuration
KConfig *config = KGlobal::config();
config->setGroup(TQString::fromLatin1("Passwords"));
int timeout = config->readNumEntry(TQString::fromLatin1("Timeout"), defTimeout);
SshProcess proc(host, user);
proc.setStub(stub);
int needpw = proc.checkNeedPassword();
if (needpw < 0)
{
TQString msg = i18n("Ssh returned with an error!\n"
"The error message is:\n\n");
msg += proc.error();
KMessageBox::error(0L, msg);
exit(1);
}
TQCString password;
if (needpw != 0)
{
KDEsshDialog *dlg = new KDEsshDialog(host, user, stub,
proc.prompt(), keep && !terminal);
dlg->addLine(i18n("Command"), command);
int res = dlg->exec();
if (res == KDEsshDialog::Rejected)
exit(0);
keep = dlg->keep();
password = dlg->password();
delete dlg;
} else
keep = 0;
// Make the dialog go away.
app.processEvents();
// Run command
if (keep && have_daemon)
{
client.setHost(host);
client.setPass(password, timeout);
return client.exec(command, user);
} else
{
proc.setCommand(command);
proc.setTerminal(terminal);
proc.setErase(true);
return proc.exec(password);
}
}
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