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This fixes the build on kfreebsd-amd64, and due to the detection
of sse4.2, should also enable the sse4.2 on i386.
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This is safe here, as the code ensures that the file is flushed
before it is being used. The next series should probably make
GetTempFile() buffer writes by default.
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A pin of -32768 overrides any other, disables repo
See merge request apt-team/apt!40
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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.
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This allows disabling a repository by pinning it to 'never',
which is internally translated to a value of -32768 (or whatever
the minimum of short is).
This overrides any other pin for that repository. It can be used
to make sure certain sources are never used; for example, in
unattended-upgrades.
To prevent semantic changes to existing files, we substitute
min + 1 for every pin-priority: <min>. This is a temporary
solution, as we are waiting for an ABI break.
To add pins with that value, the special Pin-Priority
"never" may be used for now. It's unclear if that will
persist, or if the interface will change eventually.
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Fail if InRelease or Release.gpg contain unsigned lines
See merge request apt-team/apt!45
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Implementing a parser with recursion isn't the best idea, but in
practice we should get away with it for the time being to avoid
needless codechurn.
Closes: #920317 #921037
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It is dropped in the merged code, but the extraction of the clearsigned
message code was the only one who had it previously, so the short-desc
explains the change from a before-after merge of the branch PoV.
It would make sense to enable it, but as we aren't in a time critical
paths here we can delay this for after buster to avoid problems.
References: 73e3459689c05cd62f15c29d2faddb0fc215ef5e
Suggested-By: Julian Andres Klode
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Suggested-By: Julian Andres Klode
Gbp-Dch: Ignore
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Verify data being sent by methods in SendMessage()
See merge request apt-team/apt!48
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These methods are not supposed to be used anymore, they are
not actively maintained and may hence contain odd bugs.
Fixes !49
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As a follow-up for CVE-2019-3462, add checks similar to those
for redirect to the central SendMessage() function. The checks
are a bit more relaxed for values - they may include newlines
and unicode characters (newlines get rewritten, so are safe).
For keys and the message header, the checks are far more strict:
They may only contain alphanumerical characters, the hyphen-minus,
and the horizontal space.
In case the method tries to send anything else, we construct a
legal 400 URI Failed response, and send that. We specifically do
not include the item URI, in case it has been compromised (that
would cause infinite recursion).
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No effective change in behaviour, just simplifying and reusing code.
Suggested-By: Julian Andres Klode
Gbp-Dch: Ignore
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No change in the logic itself, just dropping "== true", replacing "==
false" with not and moving lines around to make branches more obvious.
Suggested-By: Julian Andres Klode
Gbp-Dch: Ignore
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We support dash-encoding even if we don't really work with files who
would need it as implementations are free to encode every line, but
otherwise a line starting with a dash must either be a header we parse
explicitly or the file is refused. This is against the RFC which says
clients should warn on such files, but given that we aren't expecting
any files with dash-started lines to begin with this looks a lot like a
we should not continue to touch the file as it smells like an attempt to
confuse different parsers by "hiding" headers in-between others.
The other slightly more reasonable explanation would be an armor header
key starting with a dash, but no existing key does that and it seems
unlikely that this could ever happen. Also, it is recommended that
clients warn about unknown keys, so new appearance is limited.
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This is C++, so we can use a bit more abstraction to let the code
look a tiny bit nicer hopefully improving readability a bit.
Gbp-Dch: Ignore
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RFC 4880 section 7.1 "Dash-Escaped Text" at the end defines that only
space and tab are allowed, so we should remove only these even if due to
use complaining (or now failing) you can't really make use of it.
Note that strrstrip was removing '\r\n\t ', not other whitespaces like
\v or \f and another big reason to do it explicitly here now is to avoid
that a future change adding those could have unintended consequences.
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Having many rather similar implementations especially if one is exported
while others aren't (and the rest of it not factored out at all) seems
suboptimal.
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The exploit for CVE-2019-3462 uses the fact that a Release.gpg file can
contain additional content beside the expected detached signature(s).
We were passing the file unchecked to gpgv which ignores these extras
without complains, so we reuse the same line-reading implementation we
use for InRelease splitting to detect if a Release.gpg file contains
unexpected data and fail in this case given that we in the previous
commit we established that we fail in the similar InRelease case now.
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The warnings were introduced 2 years ago without any reports from the
wild about them actually appearing for anyone, so now seems to be an as
good time as any to switch them to errors.
This allows rewritting the code by failing earlier instead of trying to
keep going which makes the diff a bit hard to follow but should help
simplifying reasoning about it.
References: 6376dfb8dfb99b9d182c2fb13aa34b2ac89805e3
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Report keys used to sign file from gpgv method to acquire system
See merge request apt-team/apt!44
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This fixes a security issue that can be exploited to inject arbritrary debs
or other files into a signed repository as followed:
(1) Server sends a redirect to somewhere%0a<headers for the apt method> (where %0a is
\n encoded)
(2) apt method decodes the redirect (because the method encodes the URLs before
sending them out), writting something like
somewhere\n
<headers>
into its output
(3) apt then uses the headers injected for validation purposes.
Regression-Of: c34ea12ad509cb34c954ed574a301c3cbede55ec
LP: #1812353
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Telling the acquire system which keys caused the gpgv method to
succeed allows us for now just a casual check if the gpgv method
really executed catching bugs like CVE-2018-0501, but we will make use
of the information for better features in the following commits.
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In C++17 `register` keyword was removed. Current gcc 8.1.0 produces
following warning if `-std=c++17` flag is used:
warning: ISO C++17 does not allow 'register' storage class specifier
[-Wregister]
GCC almost completely ignores `register` keyword, with rare exception of
`-O0` when additional copy from/to stack may be generated.
For simplicity of the codebase it is better to just remove this
problematic keyword where it is not strictly required.
See: http://en.cppreference.com/w/cpp/language/storage_duration
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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We called low-level ParseDepends without an architecture each time,
which means each call looked up the native architecture. Store the
native architecture in the class and use that when calling low-level
ParseDepends from the high-level ParseDepends().
This improves performance for a cache build from 2.7 to 2.5 seconds
for me.
Also avoid a call when stripping multiarch, as the native architecture
is passed in.
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This is more than twice as fast as adler32, but could be made another
50% faster by calculating crcs for 8 byte blocks in "parallel" (without
data dependency) and then combining them. But that's complicated code.
Reference measurements for hashing the cache 100 times:
adler32=2.46s xxhash64=0.64 xxhash32=1.12
crc32c(this)=1.10 crc32c(opt)=0.44s
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Set PATH=/usr/sbin:/usr/bin:/sbin:/bin when running dpkg
See merge request apt-team/apt!38
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This avoids a lot of problems from local installations of
scripting languages and other stuff in /usr/local for which
maintainer scripts are not prepared.
[v3: Inherit PATH during tests, check overrides work]
[v2: Add testing]
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This allows us to install matching auth files for sources.list.d
files, for example; very useful.
This converts aptmethod's authfd from one FileFd to a vector of
pointers to FileFd, as FileFd cannot be copied, and move operators
are hard.
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FileFd could be copied using the default copy constructor,
which does not work, and then causes code to crash.
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Use quoted tagnames in config dumps
See merge request apt-team/apt!32
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Remove old derivatives
See merge request apt-team/apt!31
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Tagnames in configuration can include spaces (and other nasties) e.g. in
repository-specific configuration options due to Origin/Label
potentially containing a space. The configuration file format supports
parsing quoted as well as encoded spaces, but the output generated by
apt-config and other places which might be feedback into apt via
parsing (e.g. before calling apt-key in our gpgv method) do not quote
and hence produce invalid configuration files.
Changing the default to be an encoded tagname ensures that the output of
dump can be used as a config file, but other users might not expect
this so that is technically a backward-breaking change.
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No user visible change expect for some years old changelog entries,
so we don't really need to add a new one for this…
Reported-By: codespell
Gbp-Dch: Ignore
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This is an inactive derivative according to the census, and all the URLs which
are part of tanglu.org are dead.
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This is an inactive derivative according to the census, and all the URLs which
are part of .ultimediaos.com are dead.
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Support subkeys and multiple keyrings in Signed-By options
See merge request apt-team/apt!27
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Closes: #910941
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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
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pkgCacheFile's destructor unlocks the system, which is confusing
if you did not open the cachefile with WithLock set. Create a private
data instance that holds the value of WithLock.
This regression was introduced in commit b2e465d6d32d2dc884f58b94acb7e35f671a87fe:
Join with aliencode
Author: jgg
Date: 2001-02-20 07:03:16 GMT
Join with aliencode
by replacing a "Lock" member that was only initialized when the lock
was taken by calls to Lock, UnLock; with the latter also taking place
if the former did not occur.
Regression-Of: b2e465d6d32d2dc884f58b94acb7e35f671a87fe
LP: #1794053
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A recent change to use chronos inadvertently replaced the
difference of new usec - old usec with new sec - old usec,
which is obviously wrong.
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A user can specify multiple fingerprints for a while now, so its seems
counter-intuitive to support only one keyring, especially if this isn't
really checked or enforced and while unlikely mixtures of both should
work properly, too, instead of a kinda random behaviour.
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If we limit a file to be signed by a certain key it should usually
accept also being signed by any of this keys subkeys instead of
requiring each subkey to be listed explicitly. If the later is really
wanted we support now also the same syntax as gpg does with appending an
exclamation mark at the end of the fingerprint to force no mapping.
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We are seeing 'processing' messages from dpkg first, so it makes sense
to translate them to "Preparing" messages instead of using "Installing"
and co to override these shortly after with the "Preparing" messages.
The difference isn't all to visible as later messages tend to linger far
longer in the display than the ealier ones, but at least in a listing it
seems more logical.
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The progress reporting relies on parsing the status reports of
dpkg which used to repeat being in the same state multiple times
in the same run, but by fixing #365921 it will stop doing so.
The problem is in theory just with 'config-files' in case we do purge as
this (can) do remove + purge in one step, but we remove this also for
the unpack + configure combination althrough we handle these currently
in two independent dpkg calls.
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Exiting the processing loop as soon as the dpkg process finishes might
leave status-fd lines unprocessed which wasn't much of a problem in the
past as the progress would just be slightly off, but now that we us the
information also for skipping already done tasks and generate warnings
if we didn't see all expected messages we should make sure we seem them
all. We still need to exit "early" if dpkg exited unsuccessfully/crashed
through as the (remaining) status lines we get could be incomplete.
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No user-visible change as it effects mostly code comments and
not a single error message, manpage or similar.
Reported-By: codespell & spellintian
Gbp-Dch: Ignore
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