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Adding 1 to the value of d->End - current makes restLength one byte
too long: If we pass memchr(current, ..., restLength) has thus
undefined behavior.
Also, reading the value of current has undefined behavior if
current >= d->End, not only for current > d->End:
Consider a string of length 1, that is d->End = d->Current + 1.
We can only read at d->Current + 0, but d->Current + 1 is beyond
the end of the string.
This probably caused several inexplicable build failures on hurd-i386
in the past, and just now caused a build failure on Ubuntu's amd64
builder.
Reported-By: valgrind
(cherry picked from commit 923c592ceb6014b31ec751b97b3ed659fa3e88ae)
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apt Debian release 1.3~rc3
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This works around an issue on Fedora where dpkg complains about
missing build-essential:
dpkg-checkbuilddeps: Unmet build dependencies: build-essential:native
Gbp-Dch: ignore
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This uses the current Ubuntu 16.04 for testing, but it only runs
one run, presumably as root.
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Introduce a new -qq mode for our integration test framework,
and make travis use it.
The new -qq mode sets MSGLEVEL to 1. In MSGLEVEL=1, no messages
are generated for passed tests, and all testcase filenames are
printed in the same line.
Also install first in travis, do not ls the installed output
and run the install with chronic, so we only get output if it
failed.
Gbp-Dch: ignore
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The CDN service deb.d.o is more reliable than the http
redirector, so switch to it for our examples.
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There are some optional symbols missing now, but let's keep
them in for now, maybe they reappear/still exist on other
platforms.
The newly added ones actually appeared in older versions
already, but there's no huge gain in finding out when precisely
we added them.
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Apparently we had no default defined for this.
Reported-By: David Kalnischkies
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This accidentally had two apt in it. This fixes a regression
from commit 8757a0f.
Gbp-Dch: ignore
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An absolute filename for a *.deb file starts with a /. A package with
the name of the file is inserted in the cache which is provided by the
"real" package for internal reasons. The pinning code detects a regex
based wildcard by having the regex start with /. That is no problem
as a / can not be included in a package name… expect that our virtual
filename package can and does.
We fix this two ways actually: First, a regex is only being considered a
regex if it also ends with / (we don't support flags). That stops our
problem with the virtual filename packages already, but to be sure we
also do not enter the loop if matcher and package name are equal.
It has to be noted that the creation of pins for virtual packages like
the here effected filename packages is pointless as only versions can be
pinned, but checking that a package is really purely virtual is too
costly compared to just creating an unused pin.
Closes: 835818
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Without randomizing the order in which we download the index files we
leak needlessly information to the mirrors of which architecture is
native or foreign on this system. More importantly, we leak the order in
which description translations will be used which in most cases will e.g.
have the native tongue first.
Note that the leak effect in practice is limited as apt detects if a file
it wants to download is already available in the latest version from a
previous download and does not query the server in such cases. Combined
with the fact that Translation files are usually updated infrequently
and not all at the same time, so a mirror can never be sure if it got asked
about all files the user wants.
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FreeBSD has two iconv systems: It ships an iconv.h itself,
and symbols for that in the libc. But there's also the port
of GNU libiconv, which unfortunately for us, Doxygen depends
on.
This changes things to prefer a separate libiconv library
over the system one; that is, the port on FreeBSD.
Gbp-Dch: ignore
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This is needed on BSD where root's default group is wheel, not
root.
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On BSD systems, the root group is wheel, not root, so let's
just use the default group here.
Gbp-Dch: ignore
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The host system might not have a dpkg installed, which makes
dpkg fail with:
dpkg not recorded as installed, cannot check for multi-arch support!
That's entirely useless of course. We want to know if dpkg could
support multi-arch in our chroot, so we pseudo-install dpkg into
the chroot and pretend it's version is one version higher than
the minimum dpkg version, so dpkg --assert-multi-arch works on
recent dpkgs.
Gbp-Dch: ignore
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This fixes issues with chroots, but the goal here was to get
the test suite working on systems without dpkg.
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This is needed on FreeBSD which has versions like 11.0-RC1,
otherwise the tests would fail.
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This check should work regardless if dpkg was installed by dpkg
or by a native package manager like RPM or pkg.
Gbp-Dch: ignore
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This is more safe against sticky bits. For example, in FreeBSD
all files created in /tmp have the group set to wheel.
Gbp-Dch: ignore
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In the old days, apt-inst used to use binaries, but now it
uses the built-in support and matches using Name, and not a
Binary.
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Gbp-Dch: ignore
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On BSD systems, we cannot simply use find -name or stuff, we
always have to pass a directory name first.
Gbp-Dch: ignore
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This breaks the tests with FreeBSD's shell, and is not needed -
it works fine without it.
Gbp-Dch: ignore
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Use of echo with special characters is not portable. On a normal
POSIX system, the behavior with backslash escaped strings is
implementation-defined. On an XSI-conformant system, they must
be interpreted.
A way out is the printf command - printf "%b" specifies that
the following argument is to be printed with backslash escapes
interpreted.
Gbp-Dch: ignore
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Especially on non-Debian platforms, dpkg might not list itself
on the host system, and thus dpkg --assert-multi-arch fails.
Gbp-Dch: ignore
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Use /dev/fd in test-bug-712116-dpkg-pre-install-pkgs-hook-multiarch,
skip test-no-fds-leaked-to-maintainer-scripts (it is not guaranteed
that /dev/fd contains all file descriptors), and avoid the unneeded
use of /proc/fd in another test case.
Gbp-Dch: ignore
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Our test suite assumes that dpkg's admindir is var/lib/dpkg. This
might not always be true; for example, on FreeBSD, it is located
at /var/db/dpkg.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Gbp-Dch: ignore
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That's what it's called on FreeBSD.
Gbp-Dch: ignore
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This is needed for Fedora and FreeBSD.
Gbp-Dch: ignore
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We are simply checking for gnuCMD and gCMD for each command we
are interested in.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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This allows other vendors to use different paths, or to build
your own APT in /opt for testing. Note that this uses + 1 in
some places, as the paths we receive are absolute, but we need
to strip of the initial /.
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On FreeBSD, readlink -f requires the last component
to exist.
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The C.UTF-8 locale is not portable, so we need to use C, otherwise
we crash on other systems. We can use std::locale::classic() for
that, which might also be a bit cheaper than using locale("C").
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This basically just links everything to libintl if USE_NLS is
on. It would be better to just link those targets that are
actually translated, but doing so is a huge PITA.
Also move the include_directories() for the build-tree include/
directory to the top of the CMakeLists.txt, otherwise it only
gets passed after Intl_INCLUDE_DIRS, which means we will built
against installed apt-pkg headers (if any) instead of our own.
Gbp-Dch: ignore
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I probably missed that when I did the usability work. But better
late than never.
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The BSD systems still ship their own db.h with a historical
BSD implementation, which is preferred by CMake, as it searches
its default path first. We thus have to disable the DEFAULT_PATH
for the search, unfortunately. We also need to pass the correct
include directory to the target.
Furthermore, on FreeBSD the library is called db-<VERSION>, so
let's add db-5 to the list of allowed names.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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On FreeBSD, we have to include sys/params.h and sys/mount.h,
not sys/vfs.h.
Gbp-Dch: ignore
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This makes things work with /usr/local on FreeBSD.
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Does not exist on FreeBSD
Gbp-Dch: ignore
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Gbp-Dch: ignore
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Somewhat annoying, but OK. Might want to switch to something more
clever to get rid of the typedef at all.
Gbp-Dch: ignore
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Several modules use std::array without including the
array header. Bad modules.
Some modules use STDOUT_FILENO and friends, or close()
without including unistd.h, where they are defined.
One module also uses WIFEXITED() without including
sys/wait.h.
Finally, environ is not specified to be defined in unistd.h. We
are required to define it ourselves according to POSIX, so let's
do that.
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Ubuntu uses *.ddeb files for their debug packages, but the interface we
are using since f495992428a396e0f98886c9a761a804aa161c68 to talk to dpkg
isn't supporting *.ddeb files. This used to work previously as apt itself
isn't caring about the filenames at all and if they are explicitly
mentioned dpkg will accept all, too.
It might or might not be a good idea to patch dpkg, too, but regardless
of it happening, we don't want to couple us to closely to dpkg for this
minor feature but testing for this at runtime as it would delay shipping
the fix for the too long commandlines further.
It is also questionable if it is really a good idea to allow any file
extension to be used here (like .foobar in the testcase), but we used to
and we tend to avoid breaking existing usecases if we can help it.
As a bonus, this also allows the installation of ddeb files directly
from the commandline as you can with deb files already. We continue to
ignore udeb through as the user-mistake to useful ratio is too high.
LP: #1616909
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