From f16dd7fc272f3f8354dc696fcc881dfe74755a21 Mon Sep 17 00:00:00 2001
From: benmeyer <benmeyer>
Date: Fri, 25 Oct 2002 19:34:32 +0000
Subject: Moved Interfaces into a library

---
(limited to 'noncore/settings/networksettings/interfaces.cpp')

diff --git a/noncore/settings/networksettings/interfaces.cpp b/noncore/settings/networksettings/interfaces.cpp
deleted file mode 100644
index 377a6db..0000000
--- a/noncore/settings/networksettings/interfaces.cpp
+++ b/dev/null
@@ -1,638 +0,0 @@
-#include "interfaces.h"
-
-#include <qfile.h>
-#include <qtextstream.h>
-#include <qregexp.h>
-
-#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 );
-  QString line;
-  while ( !stream.eof() ) {
-    line += stream.readLine();
-    line += "\n";
-  }
-  file.close();
-  interfaces = QStringList::split("\n", line, true);
-  
-  currentIface = interfaces.end();
-  currentMapping = interfaces.end();
-}
-
-
-/**
- * Get a list of all interfaces in the interface file.  Usefull for
- * hardware that is not currently connected such as an 802.11b card 
- * not plugged in, but configured for when it is plugged in.
- * @return Return string list of interfaces.
- **/ 
-QStringList Interfaces::getInterfaceList(){
-  QStringList list;
-  for ( QStringList::Iterator it = interfaces.begin(); it != interfaces.end(); ++it ) {
-    QString line = (*it).simplifyWhiteSpace();
-    if(line.contains(IFACE) && line.at(0) != '#'){
-      line = line.mid(QString(IFACE).length() +1, line.length());
-      line = line.simplifyWhiteSpace();
-      int findSpace = line.find(" ");
-      if( findSpace >= 0){
-        line = line.mid(0, findSpace);
-        list.append(line);
-      }
-    }
-  }
-  return list;
-}
-
-/**
- * Find out if interface is in an "auto" group or not.
- *  Report any duplicates such as eth0 being in two differnt auto's 
- * @param interface interface to check to see if it is on or not.
- * @return true is interface is in auto
- */ 
-bool Interfaces::isAuto(QString interface){
-  QStringList autoLines = interfaces.grep(QRegExp(AUTO));
-  QStringList awi = autoLines.grep(QRegExp(interface));
-  if(awi.count() > 1)
-    qDebug(QString("Interfaces: Found more then auto group with interface: %1.").arg(interface).latin1());
-  if(awi.count() < 1)
-    return false;
-  return true;
-}
-
-/**
- * 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(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{
-        if((*it).contains(interface)){
-          (*it) = (*it).replace(QRegExp(interface), "");
-          // clean up
-	  QString line = (*it).simplifyWhiteSpace();
-          line = line.replace(QRegExp(" "),"");
-          if(line == 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());
-    }
-  }
-  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(QString interface, QString family, QString method){
-  if(acceptedFamily.contains(family)==0)
-    return false;
-  interface = interface.simplifyWhiteSpace();
-  interface = interface.replace(QRegExp(" "), "");
-  interfaces.append("");
-  interfaces.append(QString(IFACE " %1 %2 %3").arg(interface).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(QString interface, QString newInterface){
-  if(!setInterface(interface)) return false;
-	 
-  QStringList::Iterator it = currentIface;
-  it++;
-  
-  bool error;
-  addInterface(newInterface, getInterfaceFamily(error), getInterfaceMethod(error));
-  if(!setInterface(newInterface)) return false;
-  QStringList::Iterator newIface = currentIface;
-  newIface++;
-  
-  for ( it; 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();
-}
-
-/**
- * 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;
-    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;
-    return QString();
-  }
-  QString family = getInterfaceFamily(error);
-  if(error){
-    error = true;
-    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(QString newName){
-  if(currentIface == interfaces.end())
-    return false;
-  newName = newName.simplifyWhiteSpace();
-  newName = newName.replace(QRegExp(" "), "");
-  bool returnValue = false;
-  (*currentIface) = QString("iface %1 %2 %3").arg(newName).arg(getInterfaceFamily(returnValue)).arg(getInterfaceMethod(returnValue));
-  return !returnValue;  
-}
-
-/**
- * Sets the interface family to newName. 
- * @param newName the new name of the interface.  Must be one of the families
- *  defined in the interfaces.h file.
- * @return bool true if successfull.
- */ 
-bool Interfaces::setInterfaceFamily(QString newName){
-  if(currentIface == interfaces.end())
-    return false;
-  if(acceptedFamily.contains(newName)==0)
-    return false;
-  bool returnValue = false;
-  (*currentIface) = QString("iface %1 %2 %3").arg(getInterfaceName(returnValue)).arg(newName).arg(getInterfaceMethod(returnValue));
-  return !returnValue;  
-}
-
-/**
- * Sets the interface method to newName
- * @param newName the new name of the interface
- * @return bool true if successfull.
- */ 
-bool Interfaces::setInterfaceMethod(QString newName){
-  if(currentIface == interfaces.end())
-    return false;
-  bool returnValue = false;
-  (*currentIface) = QString("iface %1 %2 %3").arg(getInterfaceName(returnValue)).arg(getInterfaceFamily(returnValue)).arg(newName);
-  return !returnValue;  
-}
-
-/**
- * Get a value for an option in the currently selected interface.  For example
- *  calling getInterfaceOption("address") on the following stanza would
- *  return 192.168.1.1.
- *  iface eth0 static
- *    address 192.168.1.1
- * @param option the options to get the value.
- * @param error set to true if any error occurs, false otherwise.
- * @return QString the options value. QString::null if error == true
- */ 
-QString Interfaces::getInterfaceOption(QString option, bool &error){
-  return getOption(currentIface, option, error);
-}
-
-/**
- * Set a value for an option in the currently selected interface.  If option
- *  doesn't exist then it is added along with the value.
- * @param option the options to set the value.
- * @param value the value that option should be set to.
- * @param error set to true if any error occurs, false otherwise.
- * @return QString the options value. QString::null if error == true
- */ 
-bool Interfaces::setInterfaceOption(QString option, QString value){
-  return setOption(currentIface, option, value);
-}
-
-/**
- * Removes a value for an option in the currently selected interface. 
- * @param option the options to set the value.
- * @param value the value that option should be set to.
- * @param error set to true if any error occurs, false otherwise.
- * @return QString the options value. QString::null if error == true
- */ 
-bool Interfaces::removeInterfaceOption(QString option, QString value){
-  return removeOption(currentIface, option, value);
-}
-
-/**
- * Removes all of the options from the currently selected interface.
- * @return bool error if if successfull 
- */ 
-bool Interfaces::removeAllInterfaceOptions(){
-  return removeAllOptions(currentIface);
-}
-
-/**
- * Set the current map to interface's map.  This needs to be done before you
- *  can call addMapping(), set/getMap(), and get/setScript().
- * @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(QString interface){
-  interface = interface.simplifyWhiteSpace();
-  interface = interface.replace(QRegExp(" "), "");
-  return setStanza(MAPPING, interface, 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(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);
-} 
-
-/**
- * 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(QString map, 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(QString map, QString value){
-  return removeOption(currentMapping, map, value);
-}
-
-/**
- * Get a map value within a mapping.
- * @param map map to get value of
- * @param bool true if it is successfull.
- * @return value that goes to the map
- */ 
-QString Interfaces::getMap(QString map, bool &error){
-  return getOption(currentMapping, map, error);
-}
-
-/**
- * Sets a script value of the current mapping to argument.
- * @param argument the script name.
- * @return true if successfull.
- */ 
-bool Interfaces::setScript(QString argument){
-  return setOption(currentMapping, "script", argument);
-}
-
-/**
- * @param error true if could not retrieve the current script argument.
- * @return QString the argument of the script for the current mapping.
- */ 
-QString Interfaces::getScript(bool &error){
-  return getOption(currentMapping, "script", error);
-}
-
-/**
- * Helper function used to parse through the QStringList and put pointers in 
- *  the correct place.
- * @param stanza The stanza (auto, iface, mapping) to look for.
- * @param option string that must be in the stanza's main line.
- * @param interator interator to place at location of stanza if successfull.
- * @return bool true if the stanza is found.
- */ 
-bool Interfaces::setStanza(QString stanza, QString option, QStringList::Iterator &iterator){
-  bool found = false;
-  iterator = interfaces.end();
-  for ( QStringList::Iterator it = interfaces.begin(); it != interfaces.end(); ++it ) {
-    QString line = (*it).simplifyWhiteSpace();
-    if(line.contains(stanza) && line.contains(option) && line.at(0) != '#'){
-      uint point = line.find(option);
-      bool valid = true;
-      if(point > 0){
-	// There are more chars in the line. check +1
-        if(line.at(point-1) != ' ')
-	  valid = false;
-      }
-      point += option.length();
-      if(point < line.length()-1){
-	// There are more chars in the line. check -1
-        if(line.at(point) != ' ')
-	  valid = false;
-      }
-      if(valid){
-        if(found == true){
-          qDebug(QString("Interfaces: Found multiple stanza's for search: %1 %2").arg(stanza).arg(option).latin1());
-        }
-        found = true;
-        iterator = it;
-      }
-    }
-  }
-  return found;
-}
-
-/**
- * Sets a value of an 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::setOption(QStringList::Iterator start, QString option, 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){
-      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 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(QStringList::Iterator start, QString option, 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) = "";
-    }
-  }
-  return found;
-}
-
-/**
- * Removes all options in a stanza
- * @param start the start of the stanza
- * @return bool true if successfull, false otherwise.
- */
-bool Interfaces::removeAllOptions(QStringList::Iterator start){
-  if(start == interfaces.end())
-    return false;
-  
-  QStringList::Iterator it = start;
-  it = ++it;
-  for (it; it != interfaces.end(); ++it ) {
-    if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO))  && it != start){
-      break;
-    }
-    it = interfaces.remove(it);
-    it = --it;
-  }
-  // Leave a space between this interface and the next.
-  interfaces.insert(it, QString(""));
-  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(QStringList::Iterator start, 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());
-      found = true;
-      QString line = (*it).simplifyWhiteSpace();
-      int space = line.find(" ", option.length());
-      if(space != -1)
-        value = line.mid(space+1, line.length());
-      else
-        qDebug(QString("Interfaces: Option %1 with no value").arg(option).latin1());
-    }
-  }
-  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(" "),"");
-    if(line.length() == 0)
-      whiteSpaceCount++;
-    else
-      whiteSpaceCount = 0;
-    if(whiteSpaceCount < 2){
-      qDebug((*it).latin1());
-      stream << (*it) << '\n';
-    }
-  }
-  file.close();
-  return true;
-}
-
-// interfaces.cpp
-
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