1 files changed, 22 insertions, 23 deletions

diff --git a/noncore/settings/networksettings/ppp/modem.cpp b/noncore/settings/networksettings/ppp/modem.cpp
index 5139482..002c8e7 100644
--- a/noncore/settings/networksettings/ppp/modem.cpp
+++ b/noncore/settings/networksettings/ppp/modem.cpp
@@ -17,259 +17,258 @@
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this program; if not, write to the Free
  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <sys/ioctl.h>
 #include <setjmp.h>
 #include <regex.h>
 #include <qregexp.h>
 #include <assert.h>
 #include <string.h>
 
 #ifdef HAVE_RESOLV_H
 #  include <arpa/nameser.h>
 #  include <resolv.h>
 #endif
 
 #ifndef _PATH_RESCONF
 #define _PATH_RESCONF "/etc/resolv.conf"
 #endif
 
 #define strlcpy strcpy
 #include "auth.h"
 #include "modem.h"
 #include "pppdata.h"
 //#include <klocale.h>
 #define i18n QObject::tr
 #define qError qDebug
 //#include <kdebug.h>
 //#include <config.h>
 
 #define MY_ASSERT(x)  if (!(x)) { \
         qFatal( "ASSERT: \"%s\" in %s (%d)\n",#x,__FILE__,__LINE__); \
         exit(1); }
 
 
 static sigjmp_buf jmp_buffer;
 
-Modem *Modem::modem = 0;
+//Modem *Modem::modem = 0;
 
 
 const char* pppdPath() {
   // wasting a few bytes
   static char buffer[sizeof(PPPDSEARCHPATH)+sizeof(PPPDNAME)];
   static char *pppdPath = 0L;
   char *p;
 
   if(pppdPath == 0L) {
     const char *c = PPPDSEARCHPATH;
     while(*c != '\0') {
       while(*c == ':')
         c++;
       p = buffer;
       while(*c != '\0' && *c != ':')
         *p++ = *c++;
       *p = '\0';
       strcat(p, "/");
       strcat(p, PPPDNAME);
       if(access(buffer, F_OK) == 0)
         return (pppdPath = buffer);
     }
   }
 
   return pppdPath;
 }
 
 
-Modem::Modem()
+Modem::Modem( PPPData* pd )
 {
-    if (Modem::modem != 0) return; //CORRECT?
+    _pppdata = pd;
     modemfd = -1;
     _pppdExitStatus = -1;
     pppdPid = -1;
     sn = 0L;
     data_mode = false;
     modem_is_locked = false;
     lockfile[0] = '\0';
     device = "/dev/modem";
-    modem = this;
 }
 
 
-Modem::~Modem() {
-  modem = 0;
+Modem::~Modem()
+{
 }
 
 
 speed_t Modem::modemspeed() {
   // convert the string modem speed int the gpppdata object to a t_speed type
   // to set the modem.  The constants here should all be ifdef'd because
   // other systems may not have them
-    int i = PPPData::data()->speed().toInt()/100;
+    int i = _pppdata->speed().toInt()/100;
 
   switch(i) {
   case 24:
     return B2400;
     break;
   case 96:
     return B9600;
     break;
   case 192:
     return B19200;
     break;
   case 384:
     return B38400;
     break;
 #ifdef B57600
   case 576:
     return B57600;
     break;
 #endif
 
 #ifdef B115200
   case 1152:
     return B115200;
     break;
 #endif
 
 #ifdef B230400
   case 2304:
     return B230400;
     break;
 #endif
 
 #ifdef B460800
   case 4608:
     return B460800;
     break;
 #endif
 
   default:
     return B38400;
     break;
   }
 }
 
 bool Modem::opentty() {
   //  int flags;
 
 //begin  if((modemfd = Requester::rq->openModem(gpppdata.modemDevice()))<0) {
     close(modemfd);
-    device = PPPData::data()->modemDevice();
+    device = _pppdata->modemDevice();
     if ((modemfd = open(device, O_RDWR|O_NDELAY|O_NOCTTY)) == -1) {
         qDebug("error opening modem device !");
         errmsg = i18n("Unable to open modem.");
         return false;
     }
 //bend  if((modemfd = Requester::rq->openModem(gpppdata.modemDevice()))<0) {
 //}
 
 #if 0
-  if(PPPData::data()->UseCDLine()) {
+  if(_pppdata->UseCDLine()) {
     if(ioctl(modemfd, TIOCMGET, &flags) == -1) {
       errmsg = i18n("Unable to detect state of CD line.");
       ::close(modemfd);
       modemfd = -1;
       return false;
     }
     if ((flags&TIOCM_CD) == 0) {
       errmsg = i18n("The modem is not ready.");
       ::close(modemfd);
       modemfd = -1;
       return false;
     }
   }
 #endif
 
   tcdrain (modemfd);
   tcflush (modemfd, TCIOFLUSH);
 
   if(tcgetattr(modemfd, &tty) < 0){
     // this helps in some cases
     tcsendbreak(modemfd, 0);
     sleep(1);
     if(tcgetattr(modemfd, &tty) < 0){
       errmsg = i18n("The modem is busy.");
       ::close(modemfd);
       modemfd = -1;
       return false;
     }
   }
 
   memset(&initial_tty,'\0',sizeof(initial_tty));
 
   initial_tty = tty;
 
   tty.c_cc[VMIN] = 0; // nonblocking
   tty.c_cc[VTIME] = 0;
   tty.c_oflag = 0;
   tty.c_lflag = 0;
 
   tty.c_cflag &= ~(CSIZE | CSTOPB | PARENB);
   tty.c_cflag |= CS8 | CREAD;
   tty.c_cflag |= CLOCAL;                   // ignore modem status lines
   tty.c_iflag = IGNBRK | IGNPAR /* | ISTRIP */ ;
   tty.c_lflag &= ~ICANON;                  // non-canonical mode
   tty.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHOKE);
 
 
-  if(PPPData::data()->flowcontrol() != "None") {
-      if(PPPData::data()->flowcontrol() == "CRTSCTS") {
+  if(_pppdata->flowcontrol() != "None") {
+      if(_pppdata->flowcontrol() == "CRTSCTS") {
       tty.c_cflag |= CRTSCTS;
     }
     else {
       tty.c_iflag |= IXON | IXOFF;
       tty.c_cc[VSTOP]  = 0x13; /* DC3 = XOFF = ^S */
       tty.c_cc[VSTART] = 0x11; /* DC1 = XON  = ^Q */
     }
   }
   else {
     tty.c_cflag &= ~CRTSCTS;
     tty.c_iflag &= ~(IXON | IXOFF);
   }
 
   cfsetospeed(&tty, modemspeed());
   cfsetispeed(&tty, modemspeed());
 
   tcdrain(modemfd);
 
   if(tcsetattr(modemfd, TCSANOW, &tty) < 0){
     errmsg = i18n("The modem is busy.");
     ::close(modemfd);
     modemfd=-1;
     return false;
   }
 
   errmsg = i18n("Modem Ready.");
   return true;
 }
 
 
 bool Modem::closetty() {
   if(modemfd >=0 ) {
     stop();
     /* discard data not read or transmitted */
     tcflush(modemfd, TCIOFLUSH);
 
     if(tcsetattr(modemfd, TCSANOW, &initial_tty) < 0){
       errmsg = i18n("Can't restore tty settings: tcsetattr()\n");
       ::close(modemfd);
       modemfd = -1;
       return false;
     }
     ::close(modemfd);
     modemfd = -1;
   }
 
   return true;
 }
@@ -308,202 +307,202 @@ void Modem::startNotifier() {
     if(sn == 0) {
       sn = new QSocketNotifier(modemfd, QSocketNotifier::Read, this);
       connect(sn, SIGNAL(activated(int)), SLOT(readtty(int)));
       qDebug("QSocketNotifier started!");
     } else {
         qDebug("QSocketNotifier re-enabled!");
         sn->setEnabled(true);
     }
   }
 }
 
 
 void Modem::stopNotifier() {
   if(sn != 0) {
     sn->setEnabled(false);
     disconnect(sn);
     delete sn;
     sn = 0;
     qDebug( "QSocketNotifier stopped!" );
   }
 }
 
 
 void Modem::flush() {
   char c;
   while(read(modemfd, &c, 1) == 1);
 }
 
 
 bool Modem::writeChar(unsigned char c) {
   int s;
   do {
     s = write(modemfd, &c, 1);
     if (s < 0) {
       qError( "write() in Modem::writeChar failed" );
       return false;
     }
   } while(s == 0);
 
   return true;
 }
 
 
 bool Modem::writeLine(const char *buf) {
   int len = strlen(buf);
   char *b = new char[len+2];
   memcpy(b, buf, len);
   // different modems seem to need different line terminations
-  QString term = PPPData::data()->enter();
+  QString term = _pppdata->enter();
   if(term == "LF")
     b[len++]='\n';
   else if(term == "CR")
     b[len++]='\r';
   else if(term == "CR/LF") {
     b[len++]='\r';
     b[len++]='\n';
   }
   int l = len;
   while(l) {
     int wr = write(modemfd, &b[len-l], l);
     if(wr < 0) {
       // TODO do something meaningful with the error code (or ignore it
       qError( "write() in Modem::writeLine failed" );
       delete[] b;
       return false;
     }
     l -= wr;
   }
   delete[] b;
   return true;
 }
 
 
 bool Modem::hangup() {
   // this should really get the modem to hang up and go into command mode
   // If anyone sees a fault in the following please let me know, since
   // this is probably the most imporant snippet of code in the whole of
   // kppp. If people complain about kppp being stuck, this piece of code
   // is most likely the reason.
   struct termios temptty;
 
   if(modemfd >= 0) {
 
     // is this Escape & HangupStr stuff really necessary ? (Harri)
 
     if (data_mode) escape_to_command_mode();
 
     // Then hangup command
-    writeLine(PPPData::data()->modemHangupStr().local8Bit());
+    writeLine(_pppdata->modemHangupStr().local8Bit());
 
-    usleep(PPPData::data()->modemInitDelay() * 10000); // 0.01 - 3.0 sec
+    usleep(_pppdata->modemInitDelay() * 10000); // 0.01 - 3.0 sec
 
 #ifndef DEBUG_WO_DIALING
     if (sigsetjmp(jmp_buffer, 1) == 0) {
       // set alarm in case tcsendbreak() hangs
       signal(SIGALRM, alarm_handler);
       alarm(2);
 
       tcsendbreak(modemfd, 0);
 
       alarm(0);
       signal(SIGALRM, SIG_IGN);
     } else {
       // we reach this point if the alarm handler got called
       closetty();
       close(modemfd);
       modemfd = -1;
       errmsg = i18n("The modem does not respond.");
       return false;
     }
 
 #ifndef __svr4__ // drops DTR but doesn't set it afterwards again. not good for init.
     tcgetattr(modemfd, &temptty);
     cfsetospeed(&temptty, B0);
     cfsetispeed(&temptty, B0);
     tcsetattr(modemfd, TCSAFLUSH, &temptty);
 #else
     int modemstat;
     ioctl(modemfd, TIOCMGET, &modemstat);
     modemstat &= ~TIOCM_DTR;
     ioctl(modemfd, TIOCMSET, &modemstat);
     ioctl(modemfd, TIOCMGET, &modemstat);
     modemstat |= TIOCM_DTR;
     ioctl(modemfd, TIOCMSET, &modemstat);
 #endif
 
-    usleep(PPPData::data()->modemInitDelay() * 10000); // 0.01 - 3.0 secs
+    usleep(_pppdata->modemInitDelay() * 10000); // 0.01 - 3.0 secs
 
     cfsetospeed(&temptty, modemspeed());
     cfsetispeed(&temptty, modemspeed());
     tcsetattr(modemfd, TCSAFLUSH, &temptty);
 #endif
     return true;
   } else
     return false;
 }
 
 
 void Modem::escape_to_command_mode() {
   // Send Properly bracketed escape code to put the modem back into command state.
   // A modem will accept AT commands only when it is in command state.
   // When a modem sends the host the CONNECT string, that signals
   // that the modem is now in the connect state (no long accepts AT commands.)
   // Need to send properly timed escape sequence to put modem in command state.
   // Escape codes and guard times are controlled by S2 and S12 values.
   //
   tcflush(modemfd, TCIOFLUSH);
 
   // +3 because quiet time must be greater than guard time.
-  usleep((PPPData::data()->modemEscapeGuardTime()+3)*20000);
-  QCString tmp = PPPData::data()->modemEscapeStr().local8Bit();
+  usleep((_pppdata->modemEscapeGuardTime()+3)*20000);
+  QCString tmp = _pppdata->modemEscapeStr().local8Bit();
   write(modemfd, tmp.data(), tmp.length());
   tcflush(modemfd, TCIOFLUSH);
-  usleep((PPPData::data()->modemEscapeGuardTime()+3)*20000);
+  usleep((_pppdata->modemEscapeGuardTime()+3)*20000);
 
   data_mode = false;
 }
 
 
 const QString Modem::modemMessage() {
   return errmsg;
 }
 
 
 QString Modem::parseModemSpeed(const QString &s) {
   // this is a small (and bad) parser for modem speeds
   int rx = -1;
   int tx = -1;
   int i;
   QString result;
 
   qDebug( "Modem reported result string: %s", s.latin1());
 
   const int RXMAX = 7;
   const int TXMAX = 2;
   QRegExp rrx[RXMAX] = {
     QRegExp("[0-9]+[:/ ]RX", false),
     QRegExp("[0-9]+RX", false),
     QRegExp("[/: -][0-9]+[/: ]", false),
     QRegExp("[/: -][0-9]+$", false),
     QRegExp("CARRIER [^0-9]*[0-9]+", false),
     QRegExp("CONNECT [^0-9]*[0-9]+", false),
     QRegExp("[0-9]+") // panic mode
   };
 
   QRegExp trx[TXMAX] = {
     QRegExp("[0-9]+[:/ ]TX", false),
     QRegExp("[0-9]+TX", false)
   };
 
   for(i = 0; i < RXMAX; i++) {
     int len, idx, result;
     if((idx = rrx[i].match(s,0,&len)) > -1) {
 //    if((idx = rrx[i].search(s)) > -1) {
         //     len = rrx[i].matchedLength();
 
       //
       // rrx[i] has been matched, idx contains the start of the match
       // and len contains how long the match is. Extract the match.
       //
       QString sub = s.mid(idx, len);
 
@@ -529,137 +528,137 @@ QString Modem::parseModemSpeed(const QString &s) {
     if((idx = trx[i].match(s,0,&len)) > -1) {
 //    if((idx = trx[i].search(s)) > -1) {
 //      len = trx[i].matchedLength();
 
       //
       // trx[i] has been matched, idx contains the start of the match
       // and len contains how long the match is. Extract the match.
       //
       QString sub = s.mid(idx, len);
 
       //
       // Now extract the digits only from the match, which will then
       // be converted to an int.
       //
       if((idx = rrx[RXMAX-1].match(sub,0,&len)) > -1) {
 //      if((idx = rrx[RXMAX-1].search(sub)) > -1) {
 //        len = rrx[RXMAX-1].matchedLength();
         sub = sub.mid(idx, len);
         result = sub.toInt();
         if(result > 0) {
           tx = result;
           break;
         }
       }
     }
   }
 
   if(rx == -1 && tx == -1)
     result = i18n("Unknown speed");
   else if(tx == -1)
     result.setNum(rx);
   else if(rx == -1) // should not happen
     result.setNum(tx);
   else
     result.sprintf("%d/%d", rx, tx);
 
   qDebug( "The parsed result is: %s", result.latin1());
 
   return result;
 }
 
 
 // Lock modem device. Returns 0 on success 1 if the modem is locked and -1 if
 // a lock file can't be created ( permission problem )
 int Modem::lockdevice() {
   int fd;
   char newlock[80]=""; // safe
 
-  if(!PPPData::data()->modemLockFile()) {
+  if(!_pppdata->modemLockFile()) {
     qDebug("The user doesn't want a lockfile.");
     return 0;
   }
 
   if (modem_is_locked)
     return 1;
 
   QString lockfile = LOCK_DIR"/LCK..";
-  lockfile += PPPData::data()->modemDevice().mid(5); // append everything after /dev/
+  lockfile += _pppdata->modemDevice().mid(5); // append everything after /dev/
 
   if(access(QFile::encodeName(lockfile), F_OK) == 0) {
 //    if ((fd = Requester::rq->
 if ((fd = openLockfile(QFile::encodeName(lockfile), O_RDONLY)) >= 0) {
       // Mario: it's not necessary to read more than lets say 32 bytes. If
       // file has more than 32 bytes, skip the rest
       char oldlock[33]; // safe
       int sz = read(fd, &oldlock, 32);
       close (fd);
       if (sz <= 0)
         return 1;
       oldlock[sz] = '\0';
 
       qDebug( "Device is locked by: %s", oldlock);
 
       int oldpid;
       int match = sscanf(oldlock, "%d", &oldpid);
 
       // found a pid in lockfile ?
       if (match < 1 || oldpid <= 0)
         return 1;
 
       // check if process exists
       if (kill((pid_t)oldpid, 0) == 0 || errno != ESRCH)
         return 1;
 
       qDebug( "lockfile is stale" );
     }
   }
 
-  fd = openLockfile(PPPData::data()->modemDevice(),O_WRONLY|O_TRUNC|O_CREAT);
+  fd = openLockfile(_pppdata->modemDevice(),O_WRONLY|O_TRUNC|O_CREAT);
   if(fd >= 0) {
     sprintf(newlock,"%010d\n", getpid());
     qDebug("Locking Device: %s", newlock);
 
     write(fd, newlock, strlen(newlock));
     close(fd);
     modem_is_locked=true;
 
     return 0;
   }
 
   return -1;
 
 }
 
 
 // UnLock modem device
 void Modem::unlockdevice() {
   if (modem_is_locked) {
     qDebug( "UnLocking Modem Device" );
     close(modemfd);
     modemfd = -1;
     unlink(lockfile);
     lockfile[0] = '\0';
     modem_is_locked=false;
   }
 }
 
 int Modem::openLockfile( QString lockfile, int flags)
 {
     int fd;
     int mode;
     flags = O_RDONLY;
     if(flags == O_WRONLY|O_TRUNC|O_CREAT)
         mode = 0644;
     else
         mode = 0;
 
     lockfile = LOCK_DIR;
     lockfile += "/LCK..";
     lockfile += device.right( device.length() - device.findRev("/") -1 );
     qDebug("lockfile >%s<",lockfile.latin1());
     // TODO:
     //   struct stat st;
     //   if(stat(lockfile.data(), &st) == -1) {
     //     if(errno == EBADF)
     //       return -1;
     //   } else {
@@ -943,80 +942,80 @@ bool Modem::killpppd() {
   }
   return true;
 }
 
 
 void Modem::parseargs(char* buf, char** args) {
   int nargs = 0;
   int quotes;
 
   while(nargs < MaxArgs-1 && *buf != '\0') {
 
     quotes = 0;
 
     // Strip whitespace. Use nulls, so that the previous argument is
     // terminated automatically.
 
     while ((*buf == ' ' ) || (*buf == '\t' ) || (*buf == '\n' ) )
       *buf++ = '\0';
 
     // detect begin of quoted argument
     if (*buf == '"' || *buf == '\'') {
       quotes = *buf;
       *buf++ = '\0';
     }
 
     // save the argument
     if(*buf != '\0') {
       *args++ = buf;
       nargs++;
     }
 
     if (!quotes)
       while ((*buf != '\0') && (*buf != '\n') &&
              (*buf != '\t') && (*buf != ' '))
         buf++;
     else {
       while ((*buf != '\0') && (*buf != quotes))
         buf++;
       *buf++ = '\0';
     }
   }
 
   *args = 0L;
 }
 
 bool Modem::execPPPDaemon(const QString & arguments)
 {
   if(execpppd(arguments)==0) {
-    PPPData::data()->setpppdRunning(true);
+    _pppdata->setpppdRunning(true);
     return true;
   } else
     return false;
 }
 
 void Modem::killPPPDaemon()
 {
-  PPPData::data()->setpppdRunning(false);
+  _pppdata->setpppdRunning(false);
   killpppd();
 }
 
 int Modem::pppdExitStatus()
 {
     return _pppdExitStatus;
 }
 
 int Modem::openResolv(int flags)
 {
     int fd;
     if ((fd = open(_PATH_RESCONF, flags)) == -1) {
         qDebug("error opening resolv.conf!");
         fd = open(DEVNULL, O_RDONLY);
     }
     return fd;
 }
 
 bool Modem::setHostname(const QString & name)
 {
     return sethostname(name, name.length()) == 0;
 }