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Fix issue 422 (#425)

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* Use the effective filename when checking for duplicates

* Fixed check for asynchronous notifications

* Added additional filename check

* Applied fix also for attach
This commit is contained in:
Uwe Seimet 2021-11-07 21:18:58 +01:00 committed by GitHub
parent 7e546e2cb8
commit 817c1cde31
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 45 additions and 28 deletions
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2
src/raspberrypi/devices/scsicd.cpp
View File

@ -728,7 +728,7 @@ int SCSICD::ReadToc(const DWORD *cdb, BYTE *buf)
void SCSICD::GetEventStatusNotification(SASIDEV *controller)
{
if (!ctrl->cmd[1] & 0x01) {
if (!(ctrl->cmd[1] & 0x01)) {
// Asynchronous notification is optional and not supported by rascsi
controller->Error(ERROR_CODES::sense_key::ILLEGAL_REQUEST, ERROR_CODES::asc::INVALID_FIELD_IN_CDB);
return;

71
src/raspberrypi/rascsi.cpp
View File

@ -619,22 +619,6 @@ bool Attach(int fd, const PbDeviceDefinition& pb_device, Device *map[], bool dry
filepath.SetPath(filename.c_str());
string initial_filename = filepath.GetPath();
try {
try {
file_support->Open(filepath);
}
catch(const file_not_found_exception&) {
// If the file does not exist search for it in the default image folder
filepath.SetPath(string(rascsi_image.GetDefaultImageFolder() + "/" + filename).c_str());
file_support->Open(filepath);
}
}
catch(const io_exception& e) {
delete device;
return ReturnStatus(fd, false, "Tried to open an invalid or non-existing file '" + initial_filename + "': " + e.getmsg());
}
int id;
int unit;
if (FileSupport::GetIdsForReservedFile(filepath, id, unit)) {
@ -644,6 +628,30 @@ bool Attach(int fd, const PbDeviceDefinition& pb_device, Device *map[], bool dry
return ReturnStatus(fd, false, error);
}
try {
try {
file_support->Open(filepath);
}
catch(const file_not_found_exception&) {
// If the file does not exist search for it in the default image folder
filepath.SetPath(string(rascsi_image.GetDefaultImageFolder() + "/" + filename).c_str());
if (FileSupport::GetIdsForReservedFile(filepath, id, unit)) {
delete device;
error << "Image file '" << filename << "' is already used by ID " << id << ", unit " << unit;
return ReturnStatus(fd, false, error);
}
file_support->Open(filepath);
}
}
catch(const io_exception& e) {
delete device;
return ReturnStatus(fd, false, "Tried to open an invalid or non-existing file '" + initial_filename + "': " + e.getmsg());
}
file_support->ReserveFile(filepath, device->GetId(), device->GetLun());
}
@ -737,17 +745,6 @@ bool Insert(int fd, const PbDeviceDefinition& pb_device, Device *device, bool dr
LOGINFO("Insert %sfile '%s' requested into %s ID %d, unit %d", pb_device.protected_() ? "protected " : "",
filename.c_str(), device->GetType().c_str(), pb_device.id(), pb_device.unit());
int id;
int unit;
Filepath filepath;
filepath.SetPath(filename.c_str());
string initial_filename = filepath.GetPath();
if (FileSupport::GetIdsForReservedFile(filepath, id, unit)) {
ostringstream error;
error << "Image file '" << filename << "' is already used by ID " << id << ", unit " << unit;
return ReturnStatus(fd, false, error);
}
if (pb_device.block_size()) {
Disk *disk = dynamic_cast<Disk *>(device);
if (disk && disk->IsSectorSizeConfigurable()) {
@ -762,6 +759,18 @@ bool Insert(int fd, const PbDeviceDefinition& pb_device, Device *device, bool dr
}
}
int id;
int unit;
Filepath filepath;
filepath.SetPath(filename.c_str());
string initial_filename = filepath.GetPath();
if (FileSupport::GetIdsForReservedFile(filepath, id, unit)) {
ostringstream error;
error << "Image file '" << filename << "' is already used by ID " << id << ", unit " << unit;
return ReturnStatus(fd, false, error);
}
FileSupport *file_support = dynamic_cast<FileSupport *>(device);
try {
try {
@ -770,12 +779,20 @@ bool Insert(int fd, const PbDeviceDefinition& pb_device, Device *device, bool dr
catch(const file_not_found_exception&) {
// If the file does not exist search for it in the default image folder
filepath.SetPath((rascsi_image.GetDefaultImageFolder() + "/" + filename).c_str());
if (FileSupport::GetIdsForReservedFile(filepath, id, unit)) {
ostringstream error;
error << "Image file '" << filename << "' is already used by ID " << id << ", unit " << unit;
return ReturnStatus(fd, false, error);
}
file_support->Open(filepath);
}
}
catch(const io_exception& e) {
return ReturnStatus(fd, false, "Tried to open an invalid or non-existing file '" + initial_filename + "': " + e.getmsg());
}
file_support->ReserveFile(filepath, device->GetId(), device->GetLun());
// Only non read-only devices support protect/unprotect.