From 1dea08eb2e1115b8da14cc3da02d53f8e069ba14 Mon Sep 17 00:00:00 2001 From: Michael Vogt Date: Wed, 8 May 2013 17:45:17 +0200 Subject: properly handle if-modfied-since with libcurl/https (closes: #705648) --- apt-pkg/acquire-worker.cc | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'apt-pkg/acquire-worker.cc') diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc index 9d90b08bc..44a84216a 100644 --- a/apt-pkg/acquire-worker.cc +++ b/apt-pkg/acquire-worker.cc @@ -305,7 +305,15 @@ bool pkgAcquire::Worker::RunMessages() OwnerQ->ItemDone(Itm); unsigned long long const ServerSize = strtoull(LookupTag(Message,"Size","0").c_str(), NULL, 10); - if (TotalSize != 0 && ServerSize != TotalSize) + bool isHit = StringToBool(LookupTag(Message,"IMS-Hit"),false) || + StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false); + // Using the https method the server might return 200, but the + // If-Modified-Since condition is not satsified, libcurl will + // discard the download. In this case, however, TotalSize will be + // set to the actual size of the file, while ServerSize will be set + // to 0. Therefore, if the item is marked as a hit and the + // downloaded size (ServerSize) is 0, we ignore TotalSize. + if (TotalSize != 0 && (!isHit || ServerSize != 0) && ServerSize != TotalSize) _error->Warning("Size of file %s is not what the server reported %s %llu", Owner->DestFile.c_str(), LookupTag(Message,"Size","0").c_str(),TotalSize); @@ -332,8 +340,7 @@ bool pkgAcquire::Worker::RunMessages() // Log that we are done if (Log != 0) { - if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true || - StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) + if (isHit) { /* Hide 'hits' for local only sources - we also manage to hide gets */ -- cgit v1.2.3