Diffstat (limited to 'noncore/settings/networksettings/interfaces/interfaces.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/settings/networksettings/interfaces/interfaces.cpp | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/noncore/settings/networksettings/interfaces/interfaces.cpp b/noncore/settings/networksettings/interfaces/interfaces.cpp index 708f399..e49998e 100644 --- a/noncore/settings/networksettings/interfaces/interfaces.cpp +++ b/noncore/settings/networksettings/interfaces/interfaces.cpp @@ -1,30 +1,31 @@ #include "interfaces.h" #include <qfile.h> #include <qtextstream.h> #include <qregexp.h> +// The three stanza's #define AUTO "auto" #define IFACE "iface" #define MAPPING "mapping" /** * Constructor. Reads in the interfaces file and then split the file up by * the \n for interfaces variable. * @param useInterfacesFile if an interface file other then the default is * desired to be used it should be passed in. */ Interfaces::Interfaces(QString useInterfacesFile){ acceptedFamily.append(INTERFACES_FAMILY_INET); acceptedFamily.append(INTERFACES_FAMILY_IPX); acceptedFamily.append(INTERFACES_FAMILY_INET6); interfacesFile = useInterfacesFile; QFile file(interfacesFile); if (!file.open(IO_ReadOnly)){ qDebug(QString("Interfaces: Can't open file: %1 for reading.").arg(interfacesFile).latin1()); currentIface = interfaces.end(); currentMapping = interfaces.end(); return; } QTextStream stream( &file ); @@ -81,212 +82,204 @@ bool Interfaces::isAuto(const QString &interface){ } /** * Attempt to set the auto option for interface to setAuto. * @param interface the interface to set * @param setAuto the value to set interface to. * @return false if already set to setAuto. * */ bool Interfaces::setAuto(const QString &interface, bool setAuto){ // Don't need to set it if it is already set. if(isAuto(interface) == setAuto) return false; bool changed = false; for ( QStringList::Iterator it = interfaces.begin(); it != interfaces.end(); ++it ) { if((*it).contains(AUTO)){ //We know that they are not in any group so let add to this auto. if(setAuto){ (*it) = (*it) += " " + interface; // Don't care to have such thins as: auto eth0 lo usb0 (*it) = (*it).simplifyWhiteSpace(); changed = true; break; } + // else see if we need to remove from this one else{ if((*it).contains(interface)){ (*it) = (*it).replace(QRegExp(interface), ""); - // clean up - QString line = (*it).simplifyWhiteSpace(); - line = line.replace(QRegExp(" "),""); - if(line == AUTO) + // if AUTO is the only thing left clear the line + if(((*it).simplifyWhiteSpace()).replace(QRegExp(" "),"") == AUTO) (*it) = ""; changed = true; // Don't break because we want to make sure we remove all cases. } } } } - if(changed == false){ - if(setAuto == true) - interfaces.append(QString(AUTO" %1").arg(interface)); - else{ - qDebug(QString("Interfaces: Can't set interface %1 auto to false sense it is already false.").arg(interface).latin1()); - } - } + // In the case where there is no AUTO field add one. + if(!changed && setAuto) + interfaces.append(QString(AUTO" %1").arg(interface)); return true; } /** * Set the current interface to interface. This needs to be done before you * can call getFamily(), getMethod, and get/setOption(). * @param interface the name of the interface to set. All whitespace is * removed from the interface name. * @return bool true if it is successfull. */ bool Interfaces::setInterface(QString interface){ interface = interface.simplifyWhiteSpace(); interface = interface.replace(QRegExp(" "), ""); return setStanza(IFACE, interface, currentIface); } /** * A quick helper funtion to see if the current interface is set. * @return bool true if set, false otherwise. */ bool Interfaces::isInterfaceSet(){ return (currentIface != interfaces.end()); } /** * Add a new interface of with the settings - family and method * @param interface the name of the interface to set. All whitespace is * removed from the interface name. * @param family the family of this interface inet or inet, ipx or inet6 * Must of one of the families defined in interfaces.h * @param method for the family. see interfaces man page for family methods. * @return true if successfull. */ bool Interfaces::addInterface(const QString &interface, const QString &family, const QString &method){ - if(acceptedFamily.contains(family)==0) + if(0 == acceptedFamily.contains(family)) return false; QString newInterface = interface.simplifyWhiteSpace(); newInterface = newInterface.replace(QRegExp(" "), ""); interfaces.append(""); interfaces.append(QString(IFACE " %1 %2 %3").arg(newInterface).arg(family).arg(method)); return true; } /** * Copies interface with name interface to name newInterface * @param newInterface name of the new interface. * @return bool true if successfull */ bool Interfaces::copyInterface(const QString &interface, const QString &newInterface){ - if(!setInterface(interface)) return false; - + if(!setInterface(interface)) + return false; + + // Store the old interface and bump past the stanza line. QStringList::Iterator it = currentIface; it++; + // Add the new interface bool error; addInterface(newInterface, getInterfaceFamily(error), getInterfaceMethod(error)); - if(!setInterface(newInterface)) return false; + if(!setInterface(newInterface)) + return false; + QStringList::Iterator newIface = currentIface; newIface++; - + + // Copy all of the lines for ( ; it != interfaces.end(); ++it ){ if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO))) break; newIface = interfaces.insert(newIface, *it); } return true; } /** * Remove the currently selected interface and all of its options. * @return bool if successfull or not. */ bool Interfaces::removeInterface(){ - if(currentIface == interfaces.end()) - return false; - (*currentIface) = ""; - return removeAllInterfaceOptions(); + return removeStanza(currentIface); } /** * Gets the hardware name of the interface that is currently selected. * @return QString name of the hardware interface (eth0, usb2, wlan1...). * @param error set to true if any error occurs, false otherwise. */ QString Interfaces::getInterfaceName(bool &error){ if(currentIface == interfaces.end()){ error = true; return QString(); } QString line = (*currentIface); line = line.mid(QString(IFACE).length() +1, line.length()); line = line.simplifyWhiteSpace(); int findSpace = line.find(" "); if( findSpace < 0){ error = true; return QString(); } error = false; return line.mid(0, findSpace); } /** * Gets the family name of the interface that is currently selected. * @return QString name of the family (inet, inet6, ipx). * @param error set to true if any error occurs, false otherwise. */ QString Interfaces::getInterfaceFamily(bool &error){ QString name = getInterfaceName(error); - if(error){ - error = true; + if(error) return QString(); - } QString line = (*currentIface); line = line.mid(QString(IFACE).length() +1, line.length()); line = line.mid(name.length()+1, line.length()); line = line.simplifyWhiteSpace(); int findSpace = line.find(" "); if( findSpace < 0){ error = true; return QString(); } error = false; return line.mid(0, findSpace); } /** * Gets the method of the interface that is currently selected. * @return QString name of the method such as staic or dhcp. * See the man page of interfaces for possible methods depending on the family. * @param error set to true if any error occurs, false otherwise. */ QString Interfaces::getInterfaceMethod(bool &error){ QString name = getInterfaceName(error); - if(error){ - error = true; + if(error) return QString(); - } QString family = getInterfaceFamily(error); - if(error){ - error = true; + if(error) return QString(); - } QString line = (*currentIface); line = line.mid(QString(IFACE).length()+1, line.length()); line = line.mid(name.length()+1, line.length()); line = line.mid(family.length()+1, line.length()); line = line.simplifyWhiteSpace(); error = false; return line; } /** * Sets the interface name to newName. * @param newName the new name of the interface. All whitespace is removed. * @return bool true if successfull. */ bool Interfaces::setInterfaceName(const QString &newName){ if(currentIface == interfaces.end()) return false; QString name = newName.simplifyWhiteSpace(); name = name.replace(QRegExp(" "), ""); bool returnValue = false; (*currentIface) = QString("iface %1 %2 %3").arg(name).arg(getInterfaceFamily(returnValue)).arg(getInterfaceMethod(returnValue)); return !returnValue; } @@ -370,52 +363,49 @@ bool Interfaces::removeAllInterfaceOptions(){ * @param interface the name of the interface to set. All whitespace is * removed from the interface name. * @return bool true if it is successfull. */ bool Interfaces::setMapping(const QString &interface){ QString interfaceName = interface.simplifyWhiteSpace(); interfaceName = interfaceName.replace(QRegExp(" "), ""); return setStanza(MAPPING, interfaceName, currentMapping); } /** * Adds a new Mapping to the interfaces file with interfaces. * @param interface the name(s) of the interfaces to set to this mapping */ void Interfaces::addMapping(const QString &option){ interfaces.append(""); interfaces.append(QString(MAPPING " %1").arg(option)); } /** * Remove the currently selected map and all of its options. * @return bool if successfull or not. */ bool Interfaces::removeMapping(){ - if(currentMapping == interfaces.end()) - return false; - (*currentMapping) = ""; - return removeAllOptions(currentMapping); + return removeStanza(currentMapping); } /** * Set a map option within a mapping. * @param map map to use * @param value value to go with map * @return bool true if it is successfull. */ bool Interfaces::setMap(const QString &map, const QString &value){ return setOption(currentMapping, map, value); } /** * Removes a map option within a mapping. * @param map map to use * @param value value to go with map * @return bool true if it is successfull. */ bool Interfaces::removeMap(const QString &map, const QString &value){ return removeOption(currentMapping, map, value); } /** * Get a map value within a mapping. @@ -499,48 +489,61 @@ bool Interfaces::setOption(const QStringList::Iterator &start, const QString &op for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) { if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO)) && it != start){ if(!found && value != ""){ // Got to the end of the stanza without finding it, so append it. interfaces.insert(--it, QString("\t%1 %2").arg(option).arg(value)); } found = true; break; } if((*it).contains(option) && it != start && (*it).at(0) != '#'){ // Found it in stanza so replace it. if(found) qDebug(QString("Interfaces: Set Options found more then one value for option: %1 in stanza: %1").arg(option).arg((*start)).latin1()); found = true; (*it) = QString("\t%1 %2").arg(option).arg(value); } } if(!found){ QStringList::Iterator p = start; interfaces.insert(++p, QString("\t%1 %2").arg(option).arg(value)); found = true; } return found; } + +/** + * Removes a stanza and all of its options + * @param stanza the stanza to remove + * @return bool true if successfull. + */ +bool Interfaces::removeStanza(QStringList::Iterator &stanza){ + if(stanza == interfaces.end()) + return false; + (*stanza) = ""; + return removeAllOptions(stanza); +} + /** * Removes a option in a stanza * @param start the start of the stanza * @param option the option to use when setting value. * @return bool true if successfull, false otherwise. */ bool Interfaces::removeOption(const QStringList::Iterator &start, const QString &option, const QString &value){ if(start == interfaces.end()) return false; bool found = false; for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) { if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO)) && it != start){ // got to the end without finding it break; } if((*it).contains(option) && (*it).contains(value) && it != start && (*it).at(0) != '#'){ // Found it in stanza so replace it. if(found) qDebug(QString("Interfaces: Set Options found more then one value for option: %1 in stanza: %1").arg(option).arg((*start)).latin1()); found = true; (*it) = ""; } } @@ -570,56 +573,56 @@ bool Interfaces::removeAllOptions(const QStringList::Iterator &start){ return true; } /** * Gets a value of an option in a stanza * @param start the start of the stanza * @param option the option to use when getting the value. * @param bool true if errors false otherwise. * @return QString the value of option QString::null() if error == true. */ QString Interfaces::getOption(const QStringList::Iterator &start, const QString &option, bool &error){ if(start == interfaces.end()){ error = false; return QString(); } QString value; bool found = false; for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) { if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO)) && it != start){ break; } if((*it).contains(option) && (*it).at(0) != '#'){ if(found) - qDebug(QString("Interfaces: Get Options found more then one value: %1 for option: %2 in stanza %3").arg((*it)).arg(option).arg((*start)).latin1()); + qDebug(QString("Interfaces: getOption found more then one value: %1 for option: %2 in stanza %3").arg((*it)).arg(option).arg((*start)).latin1()); found = true; QString line = (*it).simplifyWhiteSpace(); int space = line.find(" ", option.length()); - if(space != -1) + if(space != -1){ value = line.mid(space+1, line.length()); - else - qDebug(QString("Interfaces: Option %1 with no value").arg(option).latin1()); + break; + } } } error = !found; return value; } /** * Write out the interfaces file to the file passed into the constructor. * Removes any excess blank lines over 1 line long. * @return bool true if successfull, false if not. */ bool Interfaces::write(){ QFile::remove(interfacesFile); QFile file(interfacesFile); if (!file.open(IO_ReadWrite)){ qDebug(QString("Interfaces: Can't open file: %1 for writing.").arg(interfacesFile).latin1()); return false; } QTextStream stream( &file ); int whiteSpaceCount = 0; for ( QStringList::Iterator it = interfaces.begin(); it != interfaces.end(); ++it ) { QString line = (*it).simplifyWhiteSpace(); line = line.replace(QRegExp(" "),""); |