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This prevents implicit conversions that we do not want, such
as having a FileFd* being converted to a debListParser.
Two cases are not yet handled because they require changes
in code using them:
1. The classes in hashes.h
2. The URI class - this one is used quite a lot
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A mirror list we get from an non-local source like http shouldn't be
able to include e.g. file sources and even with other online sources we
need to be careful: They also shouldn't include prefixed methods like
'tor+http'. So apply magic based on how the method is called:
mirror+file will be allowed to redirect to any source while
tor+mirror+file allows all, but sends them to their tor+ variant.
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The old implementation used to construct a query string including the
release(s) the mirrorlist should be for, but that is hard to deal with
as this rules out that partial mirrors are included in the list and it
turns out that nobody ended up implementing it on the server side.
Controlling this on the client side allows partial mirrors to be
included and as a bonus prevents that we tell the mirrorlist server
(this rather generic) user information.
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Allowing a method to request work from other methods is a powerful
capability which could be misused or exploited, so to slightly limited
the surface let method opt-in into this capability on startup.
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Embedding an entire acquire stack and HTTP logic in the mirror method
made it rather heavy weight and fragile. This reimplement goes the other
way by doing only the bare minimum in the method itself and instead
redirect the actual download of files to their proper methods.
The reimplementation drops the (in the real world) unused query-string
feature as it isn't really implementable in the new architecture.
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Sandboxing was turned off because we called pkgAcqMethod's
Configuration() instead of aptMethod's.
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This makes it easier to see which headers includes what.
The changes were done by running
git grep -l '#\s*include' \
| grep -E '.(cc|h)$' \
| xargs sed -i -E 's/(^\s*)#(\s*)include/\1#\2 include/'
To modify all include lines by adding a space, and then running
./git-clang-format.sh.
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The https method implemented for a long while now a hardcoded fallback
to the same options in http, which, while it works, is rather inflexible
if we want to allow the methods to use another name to change their
behavior slightly, like apt-transport-tor does to https – most of the
diff being s#https#tor#g which then fails to do the full circle
fallthrough tor -> https -> http for https sources. With this config
infrastructure this could be implemented now.
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We use a wild mixture of C and C++ ways of generating output, so having
a consistent world-view in both styles sounds like a good idea and
should help in preventing regressions.
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In ce1f3a2c we started warning about failing unlinking, which we
consistently do for directories. That isn't a problem as directories
usually aren't in the places we do want to clean up – with the potential
exeception of "lost+found", so lets ignore it like we ignore our own
partial/ subdirectory.
Closes: 805424
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Unlinking /dev/null is bad, we shouldn't do that. Also, we should print
at least a warning if we tried to unlink a file but didn't manage to
pull it of (ignoring the case were the file is /dev/null or doesn't
exist in the first place).
This got triggered by a relatively unlikely to cause problem in
pkgAcquire::Worker::PrepareFiles which would while temporary
uncompressed files (which are set to keep compressed) figure out that to
files are the same and prepare for sharing by deleting them. Bad move.
That also shows why not printing a warning is a bad idea as this hide
the error for in non-root test runs.
Git-Dch: Ignore
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Beside being a bit cleaner it hopefully also resolves oddball problems
I have with high levels of parallel jobs.
Git-Dch: Ignore
Reported-By: iwyu (include-what-you-use)
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Reported-By: gcc -Wunused-parameter
Git-Dch: Ignore
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Git-Dch: Ignore
Reported-By: gcc -Wpedantic
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The most "visible" change is from utime to utimensat/futimens
as the first one isn't part of POSIX anymore.
Reported-By: cppcheck
Git-Dch: Ignore
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* Fix double free (closes: #711045)
* Fix crash when the "mirror" method does not find any entry
(closes: #699303)
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- generate an equal sign also for the first arch (Closes: #669142)
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- check return of writev() as gcc recommends
* methods/mirror.cc:
- check return of chdir() as gcc recommends
* apt-pkg/deb/dpkgpm.cc:
- check return of write() a gcc recommends
* apt-inst/deb/debfile.cc:
- check return of chdir() as gcc recommends
* apt-inst/deb/dpkgdb.cc:
- check return of chdir() as gcc recommends
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non-primitive types."
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const and initial mostly Debug member values in the constructors
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done on the mirco-optimazation level, so lets fix them:
(performance) Possible inefficient checking for emptiness.
(performance) Prefer prefix ++/-- operators for non-primitive types.
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- include the architecture(s) in the query string as well so
that the server can make better decisions
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asking for a suitable mirror
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- ignore lines starting with "#" in the mirror file
- ignore non http urls in the mirrors
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- when downloading data, show the mirror being used
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of this item is ok and does not need to be tried on all mirrors
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- add missing include
* methods/mirror.{cc,h}:
- add SelectNextMirror() and InitMirrors() functions
- read all mirrors into the AllMirrors vector
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- when download the mirror file and the server is down,
return a propper error message (LP: #278635)
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- only update mirror list on IndexFile updates
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- improve the mirror method so that it only updates the mirror list
from the server if we get new indexfiles
- code cleanup
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