| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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The TIOCLINUX ioctl is only available on Linux virtual consoles such as
/dev/tty1. It has several Linux-specific functions, one of which is a
copy/paste operation which can be used for attacks similar to TIOCSTI.
This vulnerability does not affect typical graphical terminal emulators
such as xterm, gnome-terminal and Konsole, and Flatpak is primarily
designed to be run from a Wayland or X11 graphical environment, so this
is relatively unlikely to be a practical problem.
CVE-2023-28100, GHSA-7qpw-3vjv-xrqp
Resolves: https://github.com/flatpak/flatpak/security/advisories/GHSA-7qpw-3vjv-xrqp
Signed-off-by: Simon McVittie <smcv@debian.org>
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CVE-2023-28101, GHSA-h43h-fwqx-mpp8
Signed-off-by: Simon McVittie <smcv@collabora.com>
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There isn't much in the way of legit reasons for this, but it's a
potential security footgun when displaying the text.
CVE-2023-28101, GHSA-h43h-fwqx-mpp8
Signed-off-by: Ryan Gonzalez <ryan.gonzalez@collabora.com>
Co-authored-by: Simon McVittie <smcv@collabora.com>
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This prevents someone from placing special characters in order to
manipulate the appearance of the permissions list.
CVE-2023-28101, GHSA-h43h-fwqx-mpp8
Signed-off-by: Ryan Gonzalez <ryan.gonzalez@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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If `no_deploy` has been set to `TRUE` in a transaction, then the
intention is that no changes will be made to the installed flatpaks.
Currently that's not the case for explicitly or implicitly added
uninstall operations. That's particularly bad for eol-rebase flatpaks
since they old version will be automatically removed without the new
version being installed. To address this, prevent uninstall operations
from being added for no deploy transactions.
Closes: #5172
(cherry picked from commit fba3a7d35e7739a6b923f74596d388a3ae7a2cfa)
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Similar to the previous commit, but for metadata.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit be2de97e862e5ca223da40a895e54e7bf24dbfb9)
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It's unhelpful to say something like "Key file contains line “x” which is
not a key-value pair, group, or comment" without specifying which file
we are talking about.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 3ede5382fa8e7f90d62e72bc72da64277ea254b7)
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Conceptually similar to the previous commit, except it didn't crash
before, just didn't display anything.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 628750d2de7421fe4b26eebd1a6f27c524eb8a7e)
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flatpak_dir_load_deployed() can fail and return NULL. If that happens,
there is a semi-installed but broken app, and we should show a warning
rather than crashing.
Resolves: https://github.com/flatpak/flatpak/issues/5293
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 5e2e771ece06f37b3f9f60089ede718fa8bcaf8e)
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If the `GDK_BACKEND` environment variable is present and it's value does
not match the Wayland and X11 socket configuration, then a GTK app will
fail to run since it will only consider the display backend from the
environment variable.
This should probably be extended to cover other display environment
variables such as `QT_QPA_PLATFORM` for Qt and `SDL_VIDEODRIVER` for
SDL. However, I've only tested this with GTK applications.
(cherry picked from commit cc122e297235d68301f2c4c466bed997db05937c)
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Fixes: 5cd3ec5f "exports: Make _exports_path_expose produce a GError on failure"
(cherry picked from commit fa35ebe5137bfa4faf7557864c3ae38d113972da)
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Reproduces: https://github.com/flatpak/flatpak/issues/1357
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit fa005cdbbfbb52561a02daab92906fb18eb5c6d4)
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Reproduces: https://github.com/flatpak/flatpak/issues/5205
Reproduces: https://github.com/flatpak/flatpak/issues/5207
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 4c792e533d28a9761888bd638d1b3a122072c770)
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Previously, --filesystem=/run would prevent apps from starting by
breaking our ability to set up /run/flatpak and /run/host. Now it is
ignored, with a diagnostic message, resolving #5205 and #5207.
Similarly, --filesystem=/symlink-to-root (or --filesystem=host) would
have prevented apps from starting if a symlink like
`/symlink-to-root -> /` or `/symlink-to-root -> .` exists, and refusing
to export the target of that symlink avoids that failure mode,
resolving #1357.
Resolves: https://github.com/flatpak/flatpak/issues/1357
Resolves: https://github.com/flatpak/flatpak/issues/5205
Resolves: https://github.com/flatpak/flatpak/issues/5207
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit f325564c9a74b1920d6075f19054f3fefaf21b74)
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If $HOME is below a reserved path (for example `/usr/home/thompson`
for Unix traditionalists) or otherwise cannot be shared, or is a
symbolic link to somewhere that cannot be shared, then we will end
up running the app with $HOME not existing. This is unexpected, so
we should make more noise about it.
There are two situations here, both of which get a warning: if we have
--filesystem=home or --filesystem=host then we are trying to share the
real $HOME with the application, and if we do not, then we are trying
to create a directory at the location of the real $HOME and replicate
the chain of symlinks (if any) leading from $HOME to that location.
Unlike the previous commit, this is not expected to happen during unit
testing, so we do not use a g_warning() for this.
Diagnoses: https://github.com/flatpak/flatpak/issues/5035
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit b85d30365e186a55415482a9d65d32102946d2f0)
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If the user gives us a override or command-line argument that we cannot
obey, like --filesystem=/usr/share/whatever or
--filesystem=/run/flatpak/whatever, then it's confusing that we silently
ignore it. We should give them an opportunity to see that their override
was ineffective.
However, there are a few situations where we still want to keep quiet.
If there is a --filesystem argument for something that simply doesn't
exist, we don't diagnose the failure to share it: that avoids creating
unnecessary noise for apps that opportunistically share locations that
might or might not exist, like the way the Steam app on Flathub asks
for access to $XDG_RUNTIME_DIR/app/com.discordapp.Discord.
Similarly, if we have been asked for --filesystem=host, the root
directory is very likely to contain symlinks into a reserved path, like
/lib -> usr/lib. We don't need a user-visible warning for that.
We actually use the equivalent of g_message() rather than g_warning(),
to avoid this being fatal during unit testing (in particular when we
do a `flatpak info` on an app that has never been run, which will
be unable to share its `.var/app` subdirectory). `app/flatpak-main.c`
currently displays them as equivalent to each other anyway.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit dc7b1e873b658a0d9d3f5478b65da91816c6aef9)
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This lets flatpak_context_export() or other callers decide how they want
to handle failure to export each path. For now, the callers in
FlatpakExports are still using g_debug() unconditionally, but we can now
have somewhat better test coverage.
Helps: https://github.com/flatpak/flatpak/issues/1357
Helps: https://github.com/flatpak/flatpak/issues/5035
Helps: https://github.com/flatpak/flatpak/issues/5205
Helps: https://github.com/flatpak/flatpak/issues/5207
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 3f0a2de2a28b5b28f2790b1b0ca8bf330a8a298f)
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This is a step towards allowing its direct and indirect callers to decide
how serious the failure is, and debug or warn accordingly.
Helps: https://github.com/flatpak/flatpak/issues/5205
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 1b49de1890dfc92aacd9cb1d30beb1d87432d58a)
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Just for completeness, in practice the host system will not have this.
Helps: https://github.com/flatpak/flatpak/issues/5205
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 39ba9664fee4753aa51f1db82034cc8d0a2cfff4)
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These directories are reserved for Flatpak's own use.
Helps: https://github.com/flatpak/flatpak/issues/5205
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 97fddc7ba5457ea0fbe0ceaeccc6485430bc846e)
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This will reduce conflicts when new entries are added.
Helps: https://github.com/flatpak/flatpak/issues/5205
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit cee595763da23d6cc4438a87f7fe018431c4c907)
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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g_subprocess_get_stdout_pipe() does not transfer ownership, so the
stream still belongs to the GSubprocess and we must not unref it.
Fixes: 764e5a4d "Add --socket=gpg-agent"
Resolves: https://github.com/flatpak/flatpak/issues/5095
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 64d627968eacc3e93b7bde2ecbded7179f18e14d)
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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This test has consistently failed for months as it takes too long.
While it should be looked into its not helpful to show CI as always failing either.
(cherry picked from commit 8daa975ab3e11e56b2c168dc62b30f029751dbd2)
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Same as the previous commit, but for anything that runs in the
background.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit ea584acf200b1ec174fe7d0e6b22016a88930772)
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This makes us consistent with the default behaviour of GLib, and
its behaviour with G_MESSAGES_DEBUG=all. g_debug() and g_info() are
the two lowest priority levels, and GLib normally silences them by
default.
At the moment, Flatpak uses G_LOG_LEVEL_DEBUG in the flatpak2 domain
as its lowest-priority log level (only shown with flatpak -v -v), and
G_LOG_LEVEL_DEBUG in the flatpak domain as its second-lowest
(shown with flatpak -v or higher). I want to move towards using
G_LOG_LEVEL_INFO for flatpak -v messages, and G_LOG_LEVEL_DEBUG for
flapak -v -v, so that we don't need a second log domain: this is a
policy I've used successfully in Flatpak-derived Steam Runtime code.
This change does not fully implement that policy, but gives us a
migration path towards it, by allowing us to start using g_info() for
flatpak -v messages.
Helps: https://github.com/flatpak/flatpak/issues/5001
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit ac4e322629c2a11fd921fc2977bb29f18d072ad3)
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Fixes https://github.com/flatpak/flatpak/issues/5204
(cherry picked from commit 8ca1604a94dc6a62880263141448f6688cb03205)
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This variable contains paths to load GIO modules from. For the most
part, they refer to paths outside of the sandbox or if they happen
to be in the sandbox, would contain modules that are incompatible with
the sandbox runtime (ie. different libc).
While I've not found programs that would crash outright, it may cause
unexpected behaviors (eg. Apostrophe not being able to render math in
preview panel).
This variable is set by NixOS for its dependency boxing.
(cherry picked from commit df0b9d98b53b7486a0a23438a686af3e5d892cfd)
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This variable is typically used to configure the use of a custom
set of XKB definitions. In those cases, it's mostly meant for the
X11 server or Wayland compositor. NixOS is known to employ this
variable for their custom XKB layout implementation.
When the path it points to is unreachable (due to the sandbox),
most GTK+/Qt applications will crash on Wayland.
Unsetting this does not seem to negatively impact the use of custom
XKB layouts with Flatpak applications.
(cherry picked from commit 751ff11d3a219701a678b5780af532e5e7c15720)
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If this environment variable is set on the host, it's going to mess up
authentication in the sandbox. For example, if the host has:
KRB5CCNAME=KCM:
then the sandboxed process will try to use the host KCM socket, which is
not available in the sandboxed environment, rather than the gssproxy
socket that we want it to use. We need to unset it to ensure that
whatever configuration we ship in the runtime gets used instead. We have
switched the GNOME runtime to use an empty krb5.conf and it works as
long as we don't break it with this environment variable meant for the
host.
(cherry picked from commit 1c32317841f2f77e69489e006648a0e58af247a1)
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Previously in a0505f52d993837ce7ce96801f54eb37d55dadfb
the profile script was modified to preserve XDG_DATA_DIRS.
This had the side-effect of making the script not idempotent,
adding duplicate entries for every installation every time it's sourced.
On my current system that results in this value:
/home/mkhl/.local/share/flatpak/exports/share /var/lib/flatpak/exports/share /home/mkhl/.local/share/flatpak/exports/share /var/lib/flatpak/exports/share /usr/local/share /usr/share
which in turn has the side-effect of the GNOME search settings showing two entries
for every application installed via flatpak.
This change makes the script check that an entry is new before adding it.
It also uses `set -p` (short for `--prepend`) to add them.
N.B.
`set -p VAR val` is equivalent to `set VAR val $VAR`
`$var[-1..1]` reverses the order of elements
so after iterating the first element of `$installations`
becomes the first element of `$XDG_DATA_DIRS`
(cherry picked from commit 16707a1937b0370f37a1ab84c9ca0a30a33d6b95)
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Exporting to an existing repo on a Samba filesystem failed with EACCES
when libglnx called renameat() to replace the old summary.idx file.
error: renameat: Permission denied
This occurred even when the user had appropriate permissions to the file
and its ancestor directories. The problem was that flatpak had mapped the
old file into memory for reading, and still held a reference to that mapping
when attempting to replace the underlying file. Apparently this works on some
filesystems, but not on cifs.
We therefore release the memory mapping before replacing the underlying file.
Fixes #5257
Co-authored-by: Patrick <tingping@tingping.se>
(cherry picked from commit 01910ad12fd840a8667879f9a479a66e441cccdd)
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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Signed-off-by: Simon McVittie <smcv@collabora.com>
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This reverts commit 7cb9eb3ebc1627d6a4145abf3a72382be9562b1a.
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This reverts commit bdfebb44da96a5fd4df745f4f53161e08e2927b2.
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gitlab.gnome.org is currently down, so use a mirror.
The specific commit we are using has not changed.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit bdfebb44da96a5fd4df745f4f53161e08e2927b2)
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gitlab.gnome.org is currently down, so use a mirror.
The specific commit we are using has not changed.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit 7cb9eb3ebc1627d6a4145abf3a72382be9562b1a)
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The project was moved to a new namespace a while ago, and is now using
the main branch rather than master.
The specific commit we are using has not changed.
Signed-off-by: Simon McVittie <smcv@collabora.com>
(cherry picked from commit f9a7d120144bc07b6a65e542e449d9d4bbd8a808)
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