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2015-05-13detect Releasefile IMS hits even if the server doesn'tDavid Kalnischkies
Not all servers we are talking to support If-Modified-Since and some are not even sending Last-Modified for us, so in an effort to detect such hits we run a hashsum check on the 'old' compared to the 'new' file, we got the hashes for the 'new' already for "free" from the methods anyway and hence just need to calculated the old ones. This allows us to detect hits even with unsupported servers, which in turn means we benefit from all the new hit behavior also here.
2015-05-11improve partial/ cleanup in abort and failure casesDavid Kalnischkies
Especially pdiff-enhanced downloads have the tendency to fail for various reasons from which we can recover and even a successful download used to leave the old unpatched index in partial/. By adding a new method responsible for making the transaction of an individual file happen we can at specialisations especially for abort cases to deal with the cleanup. This also helps in keeping the compressed indexes around if another index failed instead of keeping the decompressed files, which we wouldn't pick up in the next call.
2015-04-19a hit on Release files means the indexes will be hits tooDavid Kalnischkies
If we get a IMSHit for the Transaction-Manager (= the InRelease file or as its still supported fallback Release + Release.gpg combo) we can assume that every file we would queue based on this manager, but already have locally is current and hence would get an IMSHit, too. We therefore save us and the server the trouble and skip the queuing in this case. Beside speeding up repetative executions of 'apt-get update' this way we also avoid hitting hashsum errors if the indexes are in fact already updated, but the Release file isn't yet as it is the case on well behaving mirrors as Release files is updated last. The implementation is a bit harder than the theory makes it sound as we still have to keep reverifying the Release files (e.g. to detect now expired once to avoid an attacker being able to silently stale us) and have to handle cases in which the Release file hits, but some indexes aren't present (e.g. user added a new foreign architecture).
2015-04-19improve https method queue progress reportingDavid Kalnischkies
The worker expects that the methods tell him when they start or finish downloading a file. Various information pieces are passed along in this report including the (expected) filesize. https was using a "global" struct for reporting which made it 'reuse' incorrect values in some cases like a non-existent InRelease fallbacking to Release{,.gpg} resulting in a size-mismatch warning. Reducing the scope and redesigning the setting of the values we can fix this and related issues. Closes: 777565, 781509 Thanks: Robert Edmonds and Anders Kaseorg for initial patchs
2015-03-16test exitcode as well as string equalityDavid Kalnischkies
We use test{success,failure} now all over the place in the framework, so its only consequencial to do this in the situations in which we test for a specific output as well. Git-Dch: Ignore
2014-10-20testcases: do not allow warnings in testsuccessDavid Kalnischkies
Adds a new testwarning which tests for zero exit and the presents of a warning in the output, failing if either is not the case or if an error is found, too. This allows us to change testsuccess to accept only totally successful executions (= without warnings) which should help finding regressions. Git-Dch: Ignore
2014-10-20check for failure message in testsuccess/failureDavid Kalnischkies
These functions check the exit code of the command, but for apt commands we can go further and require an error message for non-zero exits and none for zero exits. Git-Dch: Ignore
2014-10-20check lists/ content in tests doing rollbackDavid Kalnischkies
Git-Dch: Ignore
2014-10-13fix compile and tests errorDavid Kalnischkies
I am pretty sure I did that before committing broken stuff… Git-Dch: Ignore
2014-10-07Send "Fail-Reason: MaximumSizeExceeded" from the methodMichael Vogt
Communicate the fail reason from the methods to the parent and Rename() failed files.
2014-10-07Add new Acquire::MaxReleaseFileSize=10*1000*1000 optionMichael Vogt
This option controls the maximum size of Release/Release.gpg/InRelease files. The rational is that we do not know the size of these files in advance and we want to protect against a denial of service attack where someone sends us endless amounts of data until the disk is full (we do know the size all other files (Packages/Sources/debs)).
2014-10-07make expected-size a maximum-size check as this is what we want at this pointMichael Vogt
2014-10-06make http size check workMichael Vogt