if (getuid() == 0 && SandboxUser.empty() == false && SandboxUser != "root") // if we aren't root, we can't chown, so don't try it
{
struct passwd const * const pw = getpwnam(SandboxUser.c_str());
- struct group const * const gr = getgrnam("root");
+ struct group const * const gr = getgrnam(ROOT_GROUP);
if (pw != NULL && gr != NULL)
{
std::string const AuthConf = _config->FindFile("Dir::Etc::netrc");
if (getuid() == 0 && SandboxUser.empty() == false && SandboxUser != "root") // if we aren't root, we can't chown, so don't try it
{
struct passwd const * const pw = getpwnam(SandboxUser.c_str());
- struct group const * const gr = getgrnam("root");
+ struct group const * const gr = getgrnam(ROOT_GROUP);
if (pw != NULL && gr != NULL)
{
// chown the partial dir
it is constructed which creates a queue (based on the current queue
mode) and puts the item in that queue. If the system is running then
the queue might be started. */
+static bool CheckForBadItemAndFailIt(pkgAcquire::Item * const Item,
+ pkgAcquire::MethodConfig const * const Config, pkgAcquireStatus * const Log)
+{
+ auto SavedDesc = Item->GetItemDesc();
+ if (Item->IsRedirectionLoop(SavedDesc.URI))
+ {
+ std::string const Message = "400 URI Failure"
+ "\nURI: " + SavedDesc.URI +
+ "\nFilename: " + Item->DestFile +
+ "\nFailReason: RedirectionLoop";
+
+ Item->Status = pkgAcquire::Item::StatError;
+ Item->Failed(Message, Config);
+ if (Log != nullptr)
+ Log->Fail(SavedDesc);
+ return true;
+ }
+
+ HashStringList const hsl = Item->GetExpectedHashes();
+ if (hsl.usable() == false && Item->HashesRequired() &&
+ _config->Exists("Acquire::ForceHash") == false)
+ {
+ std::string const Message = "400 URI Failure"
+ "\nURI: " + SavedDesc.URI +
+ "\nFilename: " + Item->DestFile +
+ "\nFailReason: WeakHashSums";
+
+ auto SavedDesc = Item->GetItemDesc();
+ Item->Status = pkgAcquire::Item::StatAuthError;
+ Item->Failed(Message, Config);
+ if (Log != nullptr)
+ Log->Fail(SavedDesc);
+ return true;
+ }
+ return false;
+}
void pkgAcquire::Enqueue(ItemDesc &Item)
{
// Determine which queue to put the item in
if (Name.empty() == true)
return;
+ /* the check for running avoids that we produce errors
+ in logging before we actually have started, which would
+ be easier to implement but would confuse users/implementations
+ so we check the items skipped here in #Startup */
+ if (Running && CheckForBadItemAndFailIt(Item.Owner, Config, Log))
+ return;
+
// Find the queue structure
Queue *I = Queues;
for (; I != 0 && I->Name != Name; I = I->Next);
/* */
bool pkgAcquire::Queue::Enqueue(ItemDesc &Item)
{
+ QItem **OptimalI = &Items;
QItem **I = &Items;
// move to the end of the queue and check for duplicates here
- for (; *I != 0; I = &(*I)->Next)
+ for (; *I != 0; ) {
if (Item.URI == (*I)->URI)
{
if (_config->FindB("Debug::pkgAcquire::Worker",false) == true)
Item.Owner->Status = (*I)->Owner->Status;
return false;
}
+ // Determine the optimal position to insert: before anything with a
+ // higher priority.
+ int priority = (*I)->GetPriority();
+
+ I = &(*I)->Next;
+ if (priority >= Item.Owner->Priority()) {
+ OptimalI = I;
+ }
+ }
+
// Create a new item
QItem *Itm = new QItem;
*Itm = Item;
- Itm->Next = 0;
- *I = Itm;
+ Itm->Next = *OptimalI;
+ *OptimalI = Itm;
Item.Owner->QueueCounter++;
if (Items->Next == 0)
if (Workers == 0)
{
URI U(Name);
- pkgAcquire::MethodConfig *Cnf = Owner->GetConfig(U.Access);
- if (Cnf == 0)
+ pkgAcquire::MethodConfig * const Cnf = Owner->GetConfig(U.Access);
+ if (unlikely(Cnf == nullptr))
return false;
-
+
+ // now-running twin of the pkgAcquire::Enqueue call
+ for (QItem *I = Items; I != 0; )
+ {
+ auto const INext = I->Next;
+ for (auto &&O: I->Owners)
+ CheckForBadItemAndFailIt(O, Cnf, Owner->Log);
+ // if an item failed, it will be auto-dequeued invalidation our I here
+ I = INext;
+ }
+
Workers = new Worker(this,Cnf,Owner->Log);
Owner->Add(Workers);
if (Workers->Start() == false)
// Look for a queable item
QItem *I = Items;
+ int ActivePriority = 0;
while (PipeDepth < (signed)MaxPipeDepth)
{
- for (; I != 0; I = I->Next)
+ for (; I != 0; I = I->Next) {
+ if (I->Owner->Status == pkgAcquire::Item::StatFetching)
+ ActivePriority = std::max(ActivePriority, I->GetPriority());
if (I->Owner->Status == pkgAcquire::Item::StatIdle)
break;
+ }
// Nothing to do, queue is idle.
if (I == 0)
return true;
+ // This item has a lower priority than stuff in the pipeline, pretend
+ // the queue is idle
+ if (I->GetPriority() < ActivePriority)
+ return true;
I->Worker = Workers;
for (auto const &O: I->Owners)
O->Status = pkgAcquire::Item::StatFetching;
return Maximum;
}
/*}}}*/
+APT_PURE int pkgAcquire::Queue::QItem::GetPriority() const /*{{{*/
+{
+ int Priority = 0;
+ for (auto const &O: Owners)
+ Priority = std::max(Priority, O->Priority());
+
+ return Priority;
+}
+ /*}}}*/
void pkgAcquire::Queue::QItem::SyncDestinationFiles() const /*{{{*/
{
/* ensure that the first owner has the best partial file of all and