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As long as we are running dpkg, keep an inhibitor that
blocks us from shutting down.
LP: #1820886
(cherry picked from commit 96aef11a5cf400377a52f7e93e70944b17e249d1)
(cherry picked from commit 8ea79afcadead5a5b7d94bf8623cb833859f6d80)
(cherry picked from commit c5b8a857f2535fe284426cefda2fbd1bbb3d5808)
Also fixup prepare-release for CI to handle [linux-any] build-dep,
and do the whole autoconf / makefile stuff.
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This new field allows a repository to declare that access to
packages requires authorization. The current implementation will
set the pin to -32768 if no authorization has been provided in
the auth.conf(.d) files.
This implementation is suboptimal in two aspects:
(1) A repository should behave more like NotSource repositories
(2) We only have the host name for the repository, we cannot use
paths yet.
- We can fix those after an ABI break.
The code also adds a check to acquire-item.cc to not use the
specified repository as a download source, mimicking NotSource.
(cherry picked from commit c2b9b0489538fed4770515bd8853a960b13a2618)
LP: #1814727
(cherry picked from commit d75162bc67d5a1a690eb2a8747d31ad68353823e)
(cherry picked from commit 19075f52174199fe7665334ad1815c747c26c10b)
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Some post-invoke scripts install packages, which fails because
the environment variable is not set. This sets the variable for
all three kinds of scripts {pre,post-}invoke and pre-install-pkgs,
but we will only allow post-invoke at a later time.
Gbp-Dch: full
(cherry picked from commit 6675601c81de85b40dc89772c1d6d17f1811c5ba)
LP: #1796808
(cherry picked from commit 0ce6bc5ec70ff84eb2829f91f286a93687e77a46)
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In the intended usecase where this serves as a hack there is no problem
with double/single quotes being present as we write it to a log file
only, but nowadays our calling of apt-key produces a temporary config
file containing this "setting" as well and suddently quoting is
important as the config file syntax is allergic to it.
So the fix is to ignore all quoting whatsoever in the input and just
quote (with singles) the option values with spaces. That gives us 99% of
the time the correct result and the 1% where the quote is an integral
element of the option … doesn't exist – or has bigger problems than a
log file not containing the quote. Same goes for newlines in values.
LP: #1672710
(cherry picked from commit 2ce15bdeac6ee93faefd4b42b57f035bef80c567)
(cherry picked from commit c75620dcfa749f8030e0180df44eec746402885d)
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-1 is not an allowed value for the file descriptor, the only
allowed non-file-descriptor value is AT_FDCWD. So use that
instead.
AT_SYMLINK_NOFOLLOW has a weird semantic: It checks whether
we have the specified access on the symbolic link. It also
is implemented only by glibc on Linux, so it's inherently
non-portable. We should just drop it.
Thanks: James Clarke for debugging these issues
Reported-by: James Clarke <jrtc27@jrtc27.com>
(cherry picked from commit 25f54c960d7a4ceca7bd3e21f87baf48d6cbc2d3)
(cherry picked from commit 21242490e80dadb167a64c1815c08e1d2258fb61)
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apt tools do not really support these other variables, but tools apt
calls might, so lets play save and clean those up as needed.
Reported-By: Paul Wise (pabs) on IRC
(cherry picked from commit e2c8c825a5470e33c25d00e07de188d0e03922c8)
(cherry picked from commit 52067bd0a9e23642b7fa791fb63f4b69cafceb36)
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We can't cleanup the environment like e.g. sudo would do as you usually
want the environment to "leak" into these helpers, but some variables
like HOME should really not have still the value of the root user – it
could confuse the helpers (USER) and HOME isn't accessible anyhow.
Closes: 842877
(cherry picked from commit 34b491e735ad47c4805e63f3b83a659b8d10262b)
(cherry picked from commit cc5919076ba1c2dab773a6c06cb3dd5497f0c656)
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This is a follow up to the previous issue where we did not check
if getline() returned -1 due to an end of file or due to an error
like memory allocation, treating both as end of file.
Here we ensure that we also handle buffered writes correctly by
flushing the files before checking for any errors in our error
stack.
Buffered writes themselves were introduced in 1.1.9, but the
function was never called with a buffered file from inside
apt until commit 46c4043d741cb2c1d54e7f5bfaa234f1b7580f6c
which was first released with apt 1.2.10. The function is
public, though, so fixing this is a good idea anyway.
Affected: >= 1.1.9
(cherry picked from commit 6212ee84a517ed68217429022bd45c108ecf9f85)
(cherry picked from commit e115da452632a024a2885fea27a6c2c5145282b1)
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This fixes a security issue where signatures of the
InRelease files could be circumvented in a man-in-the-middle
attack, giving attackers the ability to serve any packages
they want to a system, in turn giving them root access.
It turns out that getline() may not only return EINVAL
as stated in the documentation - it might also return
in case of an error when allocating memory.
This fix not only adds a check that reading worked
correctly, it also implicitly checks that all writes
worked by reporting any other error that occurred inside
the loop and was logged by apt.
Affected: >= 0.9.8
Reported-By: Jann Horn <jannh@google.com>
Thanks: Jann Horn, Google Project Zero for reporting the issue
LP: #1647467
(cherry picked from commit 51be550c5c38a2e1ddfc2af50a9fab73ccf78026)
(cherry picked from commit 4ef9e0837ce139b398299431ae2294882f531d8e)
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This reverts commit 1b63558a39ee1eed7eb024cd0e164d73beb165b1.
This commit caused a regression in the unit tests: The error was
propagated to Close(), where we expected it to return true.
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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").
(cherry picked from commit 0fb16c3e678044d6d06ba8a6199b1e96487ee0d8)
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Rewritten in 9febc2b238e1e322dce1f94ecbed46d595893b52 for c++ locales
usage and rewritten again in 1d742e01470bba27715a8191c50adde4b39c2f19 to
avoid a currently present stdlibc++6 bug in the std::get_time
implementation. The later implementation uses still stringstreams for
parsing, but forgot to explicitly reset the locale to something sane
(for parsing english dates that is), so date and especially the parsing
of a number is depending on the locale. Turns out, the French (among
others) format their numbers with space as thousand separator so for
some reason the stdlibc++6 thinks its a good idea to interpret the
entire datetime string as a single number instead of realizing that in
"25 Jun …" the later parts can't reasonably be part of that number even
through there are spaces there…
Workaround is hence: LC_NUMERIC=C.UTF-8
Closes: 828011
(cherry picked from commit 3bdff17c894d0c3d0f813d358fc45d7a263f3552)
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As reported upstream in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71556
the implementation of std::get_time is currently not as accepting as
strptime is, especially in how hours should be formatted.
Just reverting 9febc2b238e1e322dce1f94ecbed46d595893b52 would be
possible, but then we would reopen the problems fixed by it, so instead
I opted here for a rewrite of the parsing logic which makes this method
a lot longer, but at least it provides the same benefits as the rewrite
in std::get_time was intended to give us and decouples us from the fix
of the issue in the standard library implementation of GCC.
LP: 1593583
(cherry picked from commit 1d742e01470bba27715a8191c50adde4b39c2f19)
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HTTP/1.1 hardcodes GMT (RFC 7231 §7.1.1.1) and what is good enough for the
internet must be good enough for us™ as we reuse the implementation
internally to parse (most) dates we encounter in various places like the
Release files with their Date and Valid-Until header fields.
Implementing a fully timezone aware parser just feels too hard for no
effective benefit as it would take 5+ years (= until LTS's are out of
fashion) until a repository could use non-UTC dates and expect it to
work. Not counting non-apt implementations which might or might not
only want to encounter UTC here as well.
As a bonus, this eliminates the use of an instance of setlocale in
libapt.
Closes: 819697
(cherry picked from commit 9febc2b238e1e322dce1f94ecbed46d595893b52)
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(cherry picked from commit eceb219c2a64f3f81421c3c6587380b6ae81a530)
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This fixes a regression introduced in
commit 8f858d560e3b7b475c623c4e242d1edce246025a
don't leak FD in AutoProxyDetect command return parsing
which accidentally made the proxy autodetection code also read
the scripts output on stderr, not only on stdout when it switched
the code from popen() to Popen().
Reported-By: Tim Small <tim@seoss.co.uk>
(cherry picked from commit 0ecceb5bb9cc8727c117195945b7116aceb984fe)
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memcpy is marked as nonnull for its input, but ignores the input anyhow
if the declared length is zero. Our SHA2 implementations do this as
well, it was "just" MD5 and SHA1 missing, so we add the length check
here as well as along the callstack as it is really pointless to do all
these method calls for "nothing".
Reported-By: gcc -fsanitize=undefined
(cherry picked from commit 644478e8db56f305601c3628a74e53de048b28c8)
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If the inner Base256ToNum() returned false, it did not set
Num to a new value, causing it to be uninitialized, and thus
might have caused the function to exit despite a good result.
Also document why the Res = Num, if (Res != Num) magic is done.
Reported-By: valgrind
(cherry picked from commit cf7503d8a09ebce695423fdeb2402c456c18f3d8)
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Since its existence in 2010 DirectoryExists was always marked with this
attribute, but for no real reason. Arguably a check for the existence of
the file is not modifying global state, so theoretically this shouldn't
be a problem. It is wrong from a logical point of view through as
between two calls the directory could be created so the promise we made
to the compiler that it could remove the second call would be wrong, so
API wise it is wrong.
It's a bit mysterious that this is only observeable on ppc64el and can be
fixed by reordering code ever so slightly, but in the end its more our
fault for adding this attribute than the compilers fault for doing
something silly based on the attribute.
LP: 1473674
(cherry picked from commit 9445fa62386c80c9822e77484d30b2109aa0f2dc)
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When checking if a file is empty, we forget to check that
fstat() actually worked.
(cherry picked from commit 15fe8e62d37bc87114c59d385bed7ceefb72886b)
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If the URI had no password the username was ignored
(cherry picked from commit a1f3ac8aba0675321dd46d074af8abcbb10c19fd)
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Previously, when data could be created and sig not, we would unlink
sig, not data (and vice versa).
(cherry picked from commit d0d06f44ed60a3888528d834a799bae86c2978d5)
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There is no point in trying to perform Write/Read on a FileFd which
already failed as they aren't going to work as expected, so we should
make sure that they fail early on and hard.
(cherry picked from commit 02c38073af51802c02bb104d4450e0e112d641ad)
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Reported-By: cppcheck
Gbp-Dch: Ignore
(cherry picked from commit 196d590a99e309764e07c9dc23ea98897eebf53a)
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The flush call is a no-op in most FileFd implementations so this isn't
as critical as it might sound as the only non-trivial implementation is
in the buffered writer, which tends not be used to buffer another
buffer…
(cherry picked from commit 8ca481e8419c19b6ef9074b68cc028177a507161)
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If we have files in partial/ from a previous invocation or similar such
those could be symlinks created by file:// sources. The code is
expecting only real files through and happily changes owner,
modification times and permission on the file the symlink points to
which tend to be files we have no business in touching in this way.
Permissions of symlinks shouldn't be changed, changing owner is usually
pointless to, but just to be sure we pick the easy way out and use
lchown, check for symlinks before chmod/utimes.
Reported-By: Mattia Rizzolo on IRC
(cherry picked from commit 3465138575e1fd0d5892d9b6be1ae232eb873460)
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We deploy atomic renames for some files, but these renames also happen
if something about the file failed which isn't really the point of the
exercise…
Closes: 828908
(cherry picked from commit fc5db01bb7d1546944200d197866b0b5c378f100)
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Regression introduced in 8f858d560e3b7b475c623c4e242d1edce246025a.
Commands are probably better of always having output through as the
fall through to the generic proxy settings is likely not intended. As
documenting and implementing this more consistently is kind of a
regression through, it is split off into the next commit.
Closes: 827713
(cherry picked from commit cad1877559f3e1703c3fea4d081978e1b4bb4a0e)
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Just closing the fd would be enough, but while we are at it we can also
use the Popen interface to have an easier time with this.
(cherry picked from commit 8f858d560e3b7b475c623c4e242d1edce246025a)
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Seen first in #826783, but as this buglog also shows leaked uncompressed
files as well we don't close it just yet.
(cherry picked from commit 6f35be91c9e86e463bca7df6eadf05412c7b732c)
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This effects only compressors configured on the fly (rather then the
inbuilt ones as they use a library).
(cherry picked from commit bdc42211700ef0f6f40e4ef3f362e52d684d70fb)
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Setting the C++ locale via std::locale::global(std::locale("")); which
would otherwise default to the default C locale (aka: unaffected by
setlocale) effects the formatting of numeric types in IO streams, which
for output for humans is perfectly sensible, but breaks our many text
interfaces used and parsed by us and others without expecting the
numbers to be formatted.
Closes: #825396
(cherry picked from commit b58e2c7c56b1416a343e81f9f80cb1f02c128e25)
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Hardly noticeable, but given that we have the option to easily enable
it, lets enable it as every newline in the message is written
individually by the code.
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Some methods had it missing, some used the keyword directly, which isn't
a problem as it is a cc file, but for consistency lets stick to our
macro for now.
Git-Dch: Ignore
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Introduces APT::Hashes::<NAME> with entries Untrusted and Weak
which can be set to true to cause the hash to be treated as
untrusted and/or weak.
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This avoids templates using StringView to be exported, such as
std::vector<StringView*>::emplace_back().
Gbp-Dch: ignore
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SHA1 is not reasonably secure anymore, so we should not consider it
usable anymore. The test suite is adjusted to account for this.
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This effectively merges branch 'typofixes-vlajos-20150807' of github.com:vlajos/apt
with the following commit:
commit 13cacb3e2e2352ba701e769fc889e3344fabbf7e
Author: Veres Lajos <vlajos@gmail.com>
Date: Sun Aug 9 00:12:53 2015 +0100
typofix - https://github.com/vlajos/misspell_fixer
It has been rebased for a better commit message.
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The liblzma-based write code needs the same tweaks that the read code
already has to cope with the situation where lzma_code returns zero the
first time through because avail_out is zero, but will do more work if
called again.
This ports the read tweaks to the write code as closely as possible
(including matching comments etc.).
Closes: #751688
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If we just reopened the file, we also need to reset the current
seek position when we reset the buffer, otherwise the code will
not try to seek to the position given to Skip (from 0), but will
try to seek to old offset + the position given to skip.
Closes: #812994, #813000
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When writing into the buffer write to free() bytes starting
at getend(), instead of buffersize_max bytes at get()
-> get() is a read pointer.
This makes no difference in practice though, as we reset
the buffer before the call, so start = end = 0.
Gbp-Dch: ignore
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We cannot just return false without setting an error,
as InternalWrite does not set one itself.
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Microoptimization, but still gives a measurable 2-3% improvement
when using commands with lots of output like `apt list`.
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It makes no sense to split a large block into multiple small
blocks, so when we have the chance to write them unbuffered,
do so.
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We do not need the loop, FileFd::Private() handles this for us.
Gbp-Dch: ignore
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We want to check whether the amount of free space is smaller
than the requested write size. Checking maxsize - size() is
incorrect for bufferstart >= 0, as size() = end - start.
Gbp-Dch: ignore
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gcc correctly reports that we check for the same value twice, expect
that the manpage of read(2) tells us to do it for portability, so to
make both sides happy lets add a little #if'ing here.
Reported-By: gcc-6
Git-Dch: Ignore
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APT::StringView is supposed to be a temporary measure, until support
for the standardized string_view is widely available. Introducing
additional unstandardized features just makes porting to the
standard version harder.
The constexpr constructor also won't have any real effect on most
systems, as the compiler will happily optimise the strlen() call
away for constant strings.
Gbp-Dch: ignore
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The commit also adds a few trivial tests
Git-Dch: Ignore
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