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2015-06-07don't try other compressions on hashsum mismatchDavid Kalnischkies
If we e.g. fail on hash verification for Packages.xz its highly unlikely that it will be any better with Packages.gz, so we just waste download bandwidth and time. It also causes us always to fallback to the uncompressed Packages file for which the error will finally be reported, which in turn confuses users as the file usually doesn't exist on the mirrors, so a bug in apt is suspected for even trying it…
2015-05-18treat older Release files than we already have as an IMSHitDavid Kalnischkies
Valid-Until protects us from long-living downgrade attacks, but not all repositories have it and an attacker could still use older but still valid files to downgrade us. While this makes it sounds like a security improvement now, its a bit theoretical at best as an attacker with capabilities to pull this off could just as well always keep us days (but in the valid period) behind and always knows which state we have, as we tell him with the If-Modified-Since header. This is also why this is 'silently' ignored and treated as an IMSHit rather than screamed at the user as this can at best be an annoyance for attackers. An error here would 'regularily' be encountered by users by out-of-sync mirrors serving a single run (e.g. load balancer) or in two consecutive runs on the other hand, so it would just help teaching people ignore it. That said, most of the code churn is caused by enforcing this additional requirement. Crisscross from InRelease to Release.gpg is e.g. very unlikely in practice, but if we would ignore it an attacker could sidestep it this way.
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.
2015-03-16test 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 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
2014-10-07display errortext for all Err as well as Ign logsDavid Kalnischkies
consistently using Item::Failed in all specializec classes helps setting up some information bits otherwise unset, so some errors had an empty reason as an error. Ign is upgraded to display the error message we ignored to further help in understanding what happens.
2014-10-01Use Acquire::Allow{InsecureRepositories,DowngradeToInsecureRepositories}Michael Vogt
The configuration key Acquire::AllowInsecureRepositories controls if apt allows loading of unsigned repositories at all. The configuration Acquire::AllowDowngradeToInsecureRepositories controls if a signed repository can ever become unsigned. This should really never be needed but we provide it to avoid having to mess around in /var/lib/apt/lists if there is a use-case for this (which I can't think of right now).
2014-09-29test fixesMichael Vogt
2014-09-26test fixesMichael Vogt
2014-08-01add gzip test and todoMichael Vogt
2014-08-01make errors more consistentMichael Vogt
2014-08-01check hashes of compressed files as wellMichael Vogt
2014-08-01fix transactionid passingMichael Vogt
2014-08-01mve MetaKey into pkgAcqBaseIndexMichael Vogt
2014-07-31fail early (again) on gpg sig failuresMichael Vogt
2014-07-31ensure InRelease->Release is transactional as wellMichael Vogt
2014-07-31make test_unauthenticated_to_invalid_inrelease workMichael Vogt
2014-07-31Rework TransactionID stuffMichael Vogt