bool DevCheck::devInfo(QString dev, QString* type, QString* label, QString* filesystem, QString* maxsize){
//OUTPUT: bool isGoodDevice
//INPUTS/OUTPUTS: type, label, filesystem, maxsize
//INPUT: dev = device node (da0, not /dev/da0)
//Clear the output variables
type->clear(); label->clear(); filesystem->clear(); maxsize->clear();
//make sure to have both the full path and just node
QString node;
QString fullDev;
if(dev.startsWith(DEVICEDIR)){ fullDev = dev; node = dev.section("/",-1); }
else{ node = dev; fullDev = DEVICEDIR + dev; }
//Do not allow sym-links
if(!QFile::symLinkTarget(fullDev).isEmpty()){ return FALSE; }
//Do not allow currently active devices
if(activeDevs.contains(node)){ return FALSE; }
//Double check for valid device types (just in case)
QString detType;
for(int i=0; i<validDevs.length(); i++){
if(node.startsWith(validDevs[i]) && node != "mdctl"){
detType = validDevTypes[i];
break;
}
}
//Make sure it is a no-child device (except memory disks or CD's, those need to be the parent)
int children = devChildren(node).length();
if( !node.startsWith("md") && detType!="CD9660" && detType!="ISO" && children>0 ){ return FALSE; }
//Make sure we quit before running commands on any invalid device nodes
if(detType.isEmpty() || !QFile::exists(fullDev) ){return FALSE;}
//Get the camctl info and refine the device type if possible
QString camctl;
if(detType == "USB" && QFile::exists(fullDev)){
//make sure that it is not a SCSI device
camctl = pcbsd::Utils::runShellCommand( QString("camcontrol inquiry ")+node.section("s",0,0) ).join(" ");
if(camctl.contains(" Fixed Direct Access SCSI")){ detType = "SCSI"; }
if(camctl.contains("camcontrol")){ camctl.clear(); } //error or invalid device type
}else if(detType == "SATA" && QFile::exists(fullDev)){
camctl = pcbsd::Utils::runShellCommand( QString("camcontrol identify ")+node.section("s",0,0) ).join(" ");
if(camctl.contains("camcontrol")){ camctl.clear(); } //error or invalid device type
}
if(!camctl.isEmpty()){
//Alternate Device name for label later (if needed)
camctl = camctl.section(">",0,0).section("<",-1).section(" ",0,0).simplified();
QString partition = node.section("s",1,1);
if(!partition.isEmpty()){ camctl.append("-"+partition); }
}
//Save the device type
type->append(detType);
bool isCD= (detType == "CD9660" || detType == "ISO"); //simplification for later
//Run either "file -s" or "disktype" to get device info
bool valid = false;
QString fs, dlabel;
if(QFile::exists("/usr/local/bin/disktype")){
valid = getDiskInfo(fullDev, &fs, &dlabel);
}else{
// "file -s" should always work - use it as the backup method
valid = getSpecialFileInfo(fullDev, &fs, &dlabel);
}
if(detType=="ISO" && fs.isEmpty() ){ valid = false; } //skip ISO's with unknown filesystems (swap, etc)
else if(detType=="CD9660" && fs.isEmpty() ){
//Try to determine which type of cd/dvd this is since it is not a data disk (which can be mounted)
fs = "AVDISK"; //audio/video disk (not mountable)
}
if(!valid){ //don't bother continuing - already invalid
if(DEBUG_MODE){ qDebug() << "Invalid Device:" << node << detType << dlabel << fs; }
return FALSE;
}
//If the filesystem could not be detected or is not supported
if(fs.isEmpty()){ fs = "UNKNOWN"; }
//Now get the device label (if there is one) using glabel
QString glabel;
//Don't use glabel for SATA devices right now because it is inconsistent
if(!isCD){ glabel = devLabel(node, fs); }
//Check to see if we have a label, otherwise assign one
if( !glabel.isEmpty() ){ dlabel = glabel; } //glabel
else if(!dlabel.isEmpty()){ } //device info label
else if( !camctl.isEmpty() ){ dlabel = camctl; } //camcontrol device ID
else{
//Assign a device label
if(isCD){
if(detType == "ISO"){
dlabel = "ISO_File";
}else{
dlabel = "Optical_Disk";
}
}else{
dlabel = detType+"-Device"; //this is not a "detected" label
}
}
//make sure that a device label does not contain "(" or ")"
if(dlabel.contains("(")){ dlabel = dlabel.remove("(").simplified(); }
if(dlabel.contains(")")){ dlabel = dlabel.remove(")").simplified(); }
dlabel = dlabel.simplified();
//Setup the outputs
label->append(dlabel);
filesystem->append(fs);
return valid;
}
bool DevCheck::devInfo(QString dev, QString* type, QString* label, QString* filesystem, QString* maxsize){
//OUTPUT: bool isGoodDevice
//INPUTS/OUTPUTS: type, label, filesystem, maxsize
//INPUT: dev = device node (da0, not /dev/da0)
//Clear the output variables
type->clear(); label->clear(); filesystem->clear(); maxsize->clear();
//make sure to have both the full path and just node
QString node;
QString fullDev;
if(dev.startsWith(DEVICEDIR)){ fullDev = dev; node = dev.section("/",-1); }
else{ node = dev; fullDev = DEVICEDIR + dev; }
//Do not allow sym-links
if(!QFile::symLinkTarget(fullDev).isEmpty()){ return FALSE; }
//Double check for valid device types (just in case)
QString detType;
for(int i=0; i<validDevs.length(); i++){
if(node.startsWith(validDevs[i]) && node != "mdctl"){
detType = validDevTypes[i];
break;
}
}
QString camctl;
if(detType == "USB" && QFile::exists(fullDev)){
//make sure that it is not a SCSI device
camctl = pcbsd::Utils::runShellCommand( QString("camcontrol inquiry ")+node ).join(" ");
if(camctl.contains(" Fixed Direct Access SCSI")){ detType = "SCSI"; } //USB devices do not have any output
if(camctl.contains("camcontrol")){ camctl.clear(); } //error or invalid device type
}
//Make sure we quit before running commands on any invalid device nodes
if(detType.isEmpty() || !QFile::exists(fullDev) ){return FALSE;}
else{type->append(detType);}
bool isCD=FALSE;
if(detType == "CD9660" || detType == "ISO"){ isCD=TRUE; }
//Read the Device Info using "file -s <device>"
QString cmd = "file -s "+fullDev;
QString output = pcbsd::Utils::runShellCommand(cmd).join(" ");
//if(isCD){ qDebug() << "File -s output:" << output; }
// ** Get the max storage size **
int kb = 0;
bool hasPartitions = FALSE;
bool isMounted = FALSE;
if( !isCD ){
QStringList tmp = output.split(",");
if( !tmp.filter("partition ").isEmpty() ){
//Check for actual sub-devices (*s[#][a/b/c/....])
if( devChildren(node).length() > 0 ){ hasPartitions = TRUE; }
}
if( !tmp.filter("last mounted on /").isEmpty() && (detType == "SATA")){
isMounted = TRUE;
}
//Now try to get the size of the disk
if( !tmp.filter("number of data blocks").isEmpty() ){
tmp = tmp.filter("number of data blocks");
kb = tmp[0].remove("number of data blocks").simplified().toInt();
}else if( !tmp.filter("number of blocks").isEmpty() ){
tmp = tmp.filter("number of blocks");
kb = tmp[0].remove("number of blocks").simplified().toInt();
}else if( !tmp.filter("hidden sectors").isEmpty()){
tmp = tmp.filter("hidden sectors");
kb = tmp[0].remove("hidden sectors").simplified().toInt();
}else if( !tmp.filter("sectors").isEmpty()){
tmp = tmp.filter("sectors");
//qDebug() << "Det Sectors line:"<<tmp;
int num=0;
for(int i=0; i<tmp.length(); i++){
int n = tmp[i].remove("sectors").section("(",0,0).simplified().toInt();
if(n > num){ num = n; }
}
kb = num;
}else{ kb = -1; }
} //end non-CD size and isMounted detection
bool oksize = (kb > 0);
//First try to get the device label using the "file -s" output
QString dlabel;
if(isCD){
if( !output.contains("ERROR:") ){
dlabel = output.section("'",-2).remove("'").simplified();
if(dlabel.contains("(")){ dlabel = dlabel.left(dlabel.indexOf("(")+1).trimmed();}
}
}else{
dlabel = output.section("label: \"",1,1).section("\"",0,0).simplified(); //device name
}
// - trim the label out of the output line for filesystem type detection
QString devFSsec, devFSsec2;
if(!isCD){
devFSsec = output.section("label:",0,0);
devFSsec2 = output.section("label:",1,3).section(",",1,1,QString::SectionSkipEmpty);
}else{
devFSsec = output.simplified();
}
// ** Find the filesystem type for the device **
QString filesys;
for(int i=0; i<fsDetection.length(); i++){
if(devFSsec.contains(fsDetection[i]) || devFSsec2.contains(fsDetection[i]) ){
filesys = fsMatch[i];
}
}
//If the filesystem could not be detected or is not supported
bool hasFS = TRUE;
if(filesys.isEmpty()){ filesys = "UNKNOWN"; hasFS=FALSE; }
//Now get the device label (if there is one) using glabel
bool hasLabel = FALSE;
QString glabel;
if(!isCD){ glabel = devLabel(node, filesys); }
//Check to see if we have a label, otherwise assign one
if( !glabel.isEmpty() ){ dlabel = glabel; hasLabel = TRUE; } //glabel
else if(!dlabel.isEmpty()){ hasLabel = TRUE; } //file -s label
else if( !camctl.isEmpty() ){
//not necessarily a "detected" label, but just an alternate fallback name
dlabel = camctl.section(">",0,0).section("<",-1).section(" ",0,0).simplified();
}else{
//Assign a device label
if(isCD){
if(detType == "ISO"){
dlabel = "ISO_File";
}else{
dlabel = "Optical_Disk";
}
}else{
dlabel = detType+"-Device"; //this is not a "detected" label
}
}
//make sure that a device label does not contain "(" or ")"
if(dlabel.contains("(")){ dlabel.remove("(").simplified(); }
if(dlabel.contains(")")){ dlabel.remove(")").simplified(); }
dlabel = dlabel.simplified();
//Now perform the final checks to see if it is a good device
bool good = FALSE;
if( isMounted ){}//Always ignore this device (local FreeBSD installation that is being used)
else if( hasPartitions ){} //Ignore devices that have partitions accessible as seperate devices
else if( hasFS && isCD ){ good = TRUE; } //CD/DVD data disks don't have as much info
//Allow devices that match 2 of the 3 criteria
else if( hasFS && oksize ){ good = TRUE; } //This will catch most good devices
else if( hasLabel && oksize ){ good = TRUE; } //allow unknown filesystems if there is a good size reading
else if( hasFS && hasLabel ){ good = TRUE; } // allow device if it has a known label and filesystem
//Now setup the outputs as appropriate
maxsize->append( QString::number(kb) );
label->append(dlabel);
filesystem->append(filesys);
if(!good){
qDebug() << "Invalid Device:" << node << detType << dlabel << filesys << kb;
if(DEBUG_MODE){qDebug() << " -Detected Flags:" << isMounted << hasPartitions << hasLabel << hasFS << oksize;}
}
return good;
}
