author | kergoth <kergoth> | 2003-08-09 17:14:54 (UTC) |
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committer | kergoth <kergoth> | 2003-08-09 17:14:54 (UTC) |
commit | a7e015198a8c5ad3b6e144a9032b059086253e00 (patch) (side-by-side diff) | |
tree | b712b6f11310d88744fe393a92b3160b741a7efe /noncore/settings/networksettings/ppp/modem.cpp | |
parent | beba0e73306815337bf04dee39502233595e9739 (diff) | |
download | opie-a7e015198a8c5ad3b6e144a9032b059086253e00.zip opie-a7e015198a8c5ad3b6e144a9032b059086253e00.tar.gz opie-a7e015198a8c5ad3b6e144a9032b059086253e00.tar.bz2 |
Merge from BRANCH_1_0
Diffstat (limited to 'noncore/settings/networksettings/ppp/modem.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/settings/networksettings/ppp/modem.cpp | 85 |
1 files changed, 71 insertions, 14 deletions
diff --git a/noncore/settings/networksettings/ppp/modem.cpp b/noncore/settings/networksettings/ppp/modem.cpp index d23fee4..3dbc8c3 100644 --- a/noncore/settings/networksettings/ppp/modem.cpp +++ b/noncore/settings/networksettings/ppp/modem.cpp @@ -30,97 +30,94 @@ #include <fcntl.h> #include <signal.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/stat.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; 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( PPPData* pd ) { _pppdata = pd; modemfd = -1; _pppdExitStatus = -1; pppdPid = -1; - sn = 0L; + sn = m_modemDebug = 0L; data_mode = false; modem_is_locked = false; lockfile[0] = '\0'; device = "/dev/modem"; } 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->speed().toInt()/100; switch(i) { case 24: return B2400; break; case 96: return B9600; @@ -148,143 +145,143 @@ speed_t Modem::modemspeed() { 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->modemDevice(); if ((modemfd = open(device, O_RDWR|O_NDELAY|O_NOCTTY)) == -1) { qDebug("error opening modem device !"); - errmsg = i18n("Unable to open modem."); + errmsg = QObject::tr("Unable to open modem."); return false; } //bend if((modemfd = Requester::rq->openModem(gpppdata.modemDevice()))<0) { //} #if 0 if(_pppdata->UseCDLine()) { if(ioctl(modemfd, TIOCMGET, &flags) == -1) { - errmsg = i18n("Unable to detect state of CD line."); + errmsg = QObject::tr("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."); + errmsg = QObject::tr("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."); + errmsg = QObject::tr("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->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."); + errmsg = QObject::tr("The modem is busy."); ::close(modemfd); modemfd=-1; return false; } - errmsg = i18n("Modem Ready."); + errmsg = QObject::tr("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"); + errmsg = QObject::tr("Can't restore tty settings: tcsetattr()\n"); ::close(modemfd); modemfd = -1; return false; } ::close(modemfd); modemfd = -1; } return true; } void Modem::readtty(int) { char buffer[200]; unsigned char c; int len; // read data in chunks of up to 200 bytes if((len = ::read(modemfd, buffer, 200)) > 0) { // split buffer into single characters for further processing for(int i = 0; i < len; i++) { c = buffer[i] & 0x7F; emit charWaiting(c); } @@ -392,49 +389,49 @@ bool Modem::hangup() { // is this Escape & HangupStr stuff really necessary ? (Harri) if (data_mode) escape_to_command_mode(); // Then hangup command writeLine(_pppdata->modemHangupStr().local8Bit()); 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."); + errmsg = QObject::tr("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->modemInitDelay() * 10000); // 0.01 - 3.0 secs cfsetospeed(&temptty, modemspeed()); cfsetispeed(&temptty, modemspeed()); tcsetattr(modemfd, TCSAFLUSH, &temptty); #endif @@ -534,49 +531,49 @@ QString Modem::parseModemSpeed(const QString &s) { // // 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"); + result = QObject::tr("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->modemLockFile()) { qDebug("The user doesn't want a lockfile."); return 0; } @@ -856,104 +853,132 @@ int checkForInterface() #else return -1; #endif } return 0; #else // We attempt to use the SunOS/SysVr4 method and stat /dev/ppp struct stat buf; memset(&buf, 0, sizeof(buf)); return stat("/dev/ppp", &buf); #endif } bool Modem::execpppd(const char *arguments) { char buf[MAX_CMDLEN]; char *args[MaxArgs]; pid_t pgrpid; if(modemfd<0) return false; _pppdExitStatus = -1; + (void)::pipe( m_pppdLOG ); + switch(pppdPid = fork()) { case -1: fprintf(stderr,"In parent: fork() failed\n"); + ::close( m_pppdLOG[0] ); + ::close( m_pppdLOG[1] ); return false; break; case 0: // let's parse the arguments the user supplied into UNIX suitable form // that is a list of pointers each pointing to exactly one word strlcpy(buf, arguments); parseargs(buf, args); // become a session leader and let /dev/ttySx // be the controlling terminal. pgrpid = setsid(); #ifdef TIOCSCTTY if(ioctl(modemfd, TIOCSCTTY, 0)<0) fprintf(stderr, "ioctl() failed.\n"); #elif defined (TIOCSPGRP) if(ioctl(modemfd, TIOCSPGRP, &pgrpid)<0) fprintf(stderr, "ioctl() failed.\n"); #endif if(tcsetpgrp(modemfd, pgrpid)<0) fprintf(stderr, "tcsetpgrp() failed.\n"); + ::close( m_pppdLOG[0] ); + ::setenv( "LANG", "C", 1 ); // overwrite + dup2(m_pppdLOG[1], 11 ); // for logfd 11 dup2(modemfd, 0); dup2(modemfd, 1); + switch (checkForInterface()) { case 1: fprintf(stderr, "Cannot determine if kernel supports ppp.\n"); break; case -1: fprintf(stderr, "Kernel does not support ppp, oops.\n"); break; case 0: fprintf(stderr, "Kernel supports ppp alright.\n"); break; } execve(pppdPath(), args, 0L); _exit(0); break; default: qDebug("In parent: pppd pid %d\n",pppdPid); close(modemfd); + + ::close( m_pppdLOG[1] ); + // set it to nonblocking io + int flag = ::fcntl( m_pppdLOG[0], F_GETFL ); + + if ( !(flag & O_NONBLOCK) ) { + qDebug("Setting nonblocking io"); + flag |= O_NONBLOCK; + ::fcntl(m_pppdLOG[0], F_SETFL, flag ); + } + + delete m_modemDebug; + m_modemDebug = new QSocketNotifier(m_pppdLOG[0], QSocketNotifier::Read, this ); + connect(m_modemDebug, SIGNAL(activated(int) ), + this, SLOT(slotModemDebug(int) ) ); + modemfd = -1; + m_pppdDev = QString::fromLatin1("ppp0"); return true; break; } } bool Modem::killpppd() { + qDebug("In killpppd and pid is %d", pppdPid ); if(pppdPid > 0) { + delete m_modemDebug; + m_modemDebug = 0; qDebug("In killpppd(): Sending SIGTERM to %d\n", pppdPid); if(kill(pppdPid, SIGTERM) < 0) { qDebug("Error terminating %d. Sending SIGKILL\n", pppdPid); if(kill(pppdPid, SIGKILL) < 0) { qDebug("Error killing %d\n", pppdPid); return false; } } } 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. @@ -1000,24 +1025,56 @@ void Modem::killPPPDaemon() _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; } +QString Modem::pppDevice()const { + return m_pppdDev; +} +void Modem::setPPPDevice( const QString& dev ) { + m_pppdDev = dev; +} +pid_t Modem::pppPID()const { + return pppdPid; +} +void Modem::setPPPDPid( pid_t pid ) { + qDebug("Modem setting pid"); + _pppdExitStatus = -1; + pppdPid = pid; + modemfd = -1; +} +void Modem::slotModemDebug(int fd) { + char buf[2049]; + int len; + + // read in pppd data look for Using interface + // then read the interface + // we limit to 10 device now 0-9 + if((len = ::read(fd, buf, 2048)) > 0) { + buf[len+1] = '\0'; + char *found; + if ( (found = ::strstr(buf, "Using interface ") ) ) { + found += 16; + m_pppdDev = QString::fromLatin1(found, 5 ); + m_pppdDev = m_pppdDev.simplifyWhiteSpace(); + } + } +} |