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2021-04-22view_destroy: fix use-after-free with subsurface_destroyDominique Martinet
remove view from its own unmap event listener so when subsurfaces link try to remove themselves they won't run into it. This fixes the following ASAN use-after-free error on a build slightly modified to instrument wl_list operations: ==71705==ERROR: AddressSanitizer: heap-use-after-free on address 0x6160000829a0 at pc 0x000000508eb7 bp 0x7ffec8fd8030 sp 0x7ffec8fd8028 WRITE of size 8 at 0x6160000829a0 thread T0 #0 0x508eb6 in wl_list_remove ../common/list.c:181 #1 0x4f4998 in view_child_destroy ../sway/tree/view.c:1131 #2 0x4f38fa in subsurface_handle_destroy ../sway/tree/view.c:946 #3 0x7fda50744892 in wlr_signal_emit_safe ../util/signal.c:29 #4 0x7fda5072f0dd in subsurface_destroy ../types/wlr_surface.c:649 #5 0x7fda507312c4 in subsurface_handle_surface_destroy ../types/wlr_surface.c:1094 #6 0x7fda50744892 in wlr_signal_emit_safe ../util/signal.c:29 #7 0x7fda5072f305 in surface_handle_resource_destroy ../types/wlr_surface.c:677 #8 0x7fda508180ce in destroy_resource (/lib64/libwayland-server.so.0+0xc0ce) #9 0x7fda508187f2 in wl_client_destroy (/lib64/libwayland-server.so.0+0xc7f2) #10 0x7fda50818e5f in wl_client_connection_data (/lib64/libwayland-server.so.0+0xce5f) #11 0x7fda50818219 in wl_event_loop_dispatch (/lib64/libwayland-server.so.0+0xc219) #12 0x7fda50818984 in wl_display_run (/lib64/libwayland-server.so.0+0xc984) #13 0x43122c in server_run ../sway/server.c:254 #14 0x42f47c in main ../sway/main.c:433 #15 0x7fda503cab74 in __libc_start_main (/lib64/libc.so.6+0x27b74) #16 0x40f6fd in _start (/opt/wayland/bin/sway+0x40f6fd) 0x6160000829a0 is located 288 bytes inside of 592-byte region [0x616000082880,0x616000082ad0) freed by thread T0 here: #0 0x7fda50f01a27 in free (/lib64/libasan.so.6+0xaea27) #1 0x4532d8 in destroy ../sway/desktop/xdg_shell.c:262 #2 0x4ed17b in view_destroy ../sway/tree/view.c:67 #3 0x4ed300 in view_begin_destroy ../sway/tree/view.c:83 #4 0x454a3f in handle_destroy ../sway/desktop/xdg_shell.c:507 #5 0x7fda50744892 in wlr_signal_emit_safe ../util/signal.c:29 #6 0x7fda506e2c87 in reset_xdg_surface ../types/xdg_shell/wlr_xdg_surface.c:481 #7 0x7fda506e3018 in destroy_xdg_surface ../types/xdg_shell/wlr_xdg_surface.c:516 #8 0x7fda506dfbe5 in xdg_client_handle_resource_destroy ../types/xdg_shell/wlr_xdg_shell.c:71 #9 0x7fda508180ce in destroy_resource (/lib64/libwayland-server.so.0+0xc0ce) previously allocated by thread T0 here: #0 0x7fda50f01ed7 in calloc (/lib64/libasan.so.6+0xaeed7) #1 0x454bc8 in handle_xdg_shell_surface ../sway/desktop/xdg_shell.c:528 #2 0x7fda50744892 in wlr_signal_emit_safe ../util/signal.c:29 #3 0x7fda506e2363 in handle_xdg_surface_commit ../types/xdg_shell/wlr_xdg_surface.c:378 #4 0x7fda5072e368 in surface_commit_state ../types/wlr_surface.c:455 #5 0x7fda5072e51d in surface_commit_pending ../types/wlr_surface.c:474 #6 0x7fda5072ea58 in surface_commit ../types/wlr_surface.c:542 #7 0x7fda4fb3ac03 in ffi_call_unix64 (/lib64/libffi.so.6+0x6c03) Fixes #5168
2021-04-22commands/exec_always: log error on execlp failureSimon Ser
And exit(1) instead of indicating success.
2021-04-22Use execlp("sh") instead of execl("/bin/sh")Simon Ser
This stops assuming the POSIX shell command is located in /bin.
2021-04-20Avoid creating zero-sized textures for marksSimon Ser
Same as 6327f1b36196 ("Avoid creating zero-sized textures for titlebars") but for marks.
2021-04-20Use cairo_image_surface_get_stride instead of guessing itSimon Ser
2021-04-20Avoid creating zero-sized textures for titlebarsSimon Ser
Creating a zero-sized wlr_texture is incorrect.
2021-04-18Prevent use-after-free on first bar subcommand errorMichael Weiser
If any error is encountered during execution of the first subcommand of a freshly created bar configuration, parsing apparently is to be aborted and the current bar config is freed. The pointer to that memory is left dangling though, leading to a use-after-free on successive bar subcommands. This quite reliably ends in a crash like so: sway -c reproducer.config 00:00:00.083 [sway/config.c:865] Error on line 2 'foo bar': Unknown/invalid command 'foo' (s) free(): double free detected in tcache 2 00:00:00.608 [swaynag/swaynag.c:451] failed to register with the wayland display Aborted (core dumped) Minimal reproducer config: bar { foo bar position top } Other messages: malloc(): unaligned fastbin chunk detected double free or corruption (fasttop) The invalid command has to be the first for a newly created bar config. Removing the command or switching order so it's not the first one masks the problem. Prevent this from occuring by resetting the pointer to NULL after freeing the memory. Signed-off-by: Michael Weiser <michael.weiser@gmx.de>
2021-04-16cmd_fullscreen: allow fullscreen on fullscreen split containersRonan Pigott
Using the fullscreen command on a child of a fullscreen split container will now fullscreen the child instead of unfullscreening the parent.
2021-04-15container: don't set fullscreen on childrenash lea
the original behavior set fullscreen for all descendents of a container, which causes issues when firefox is one of those children because it sends its own set_fullscreen request in response to being fullscreened.
2021-04-14meson: libseat is no longer optionalKenny Levinsen
See: https://github.com/swaywm/wlroots/pull/2839
2021-04-14ci: Install libseatKenny Levinsen
2021-04-12desktop/layer_shell: fix centering for opposing anchorsfwsmit
2021-04-12desktop/layer_shell.c: Fix misspelled "exclusive"Elyes HAOUAS
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
2021-04-12Log wlroots version on startupSimon Ser
Can be useful to make sure a bugfix is included. In the future maybe the wlroots version string could include a commit hash when built from source, too.
2021-04-11container: retain focus position on floating enableRonan Pigott
When a tiling container is floated, the focus stack needs to be appropraitely modified to return the container to its original position in the tree upon floating disable, like i3.
2021-04-11Remove WLR_HAS_XDG_FOREIGN checksSimon Ser
References: https://github.com/swaywm/wlroots/pull/2833
2021-04-11desktop/render: remove unused wlr_gles2_texture_attribsSimon Ser
We were calling wlr_gles2_texture_get_attribs, but we were never using the result.
2021-04-11build: stop checking for logindSimon Ser
wlroots has removed its logind session backend [1]. It now relies on libseat only. [1]: https://github.com/swaywm/wlroots/pull/2786
2021-04-09refactor icon_for_window functionAljaz Gantar
2021-04-09fix type error when class_name noneAljaz Gantar
2021-04-08build: update wlroots dependency version to 0.14.xSimon Ser
The latest commit of Sway always requires the latest commit of wlroots.
2021-04-07build: bump version to 1.6Simon Ser
2021-04-03Add Hungarian translation for the READMEIstván Donkó
Co-authored-by: Tamás Táncos <tamas.tancos@emarsys.com>
2021-04-03readme: make it clearer that meson takes a dir as argumentSimon Ser
"build" can easily be misinterpreted as a Meson subcommand.
2021-04-01output: damage whole output when exiting scanoutRonan Pigott
2021-03-30Remove advice about Firefox from issue templateSimon Ser
Firefox got a lot better. I think now would be a good time to remove the advice from the issue template. We can always add it back if we start getting invalid bug reports again.
2021-03-30ci: add xcb-util-wm dependency for wlrootsSimon Ser
This is now a mandatory dependency for wlroots.
2021-03-25config: allow whitespaces in config pathcolumbarius
2021-03-25Add toggle logic inside DPMS handlerIvan Fedotov
Logic that obtains current DPMS state is put inside the handler. sway_output from which the current DPMS state will be obtained is selected by the following logic: * For '-' and '--' the focused output is used; * For '*' error "Cannot apply toggle to all outputs" is reported; * For everything else all_output_by_name_or_id() is used. Fixes #5929.
2021-03-24build: update version to v1.6-rc2Simon Ser
2021-03-24view: subsurface NULL check in view_from_wlr_surfaceKenny Levinsen
Necessary NULL checks had been added to xdg_shell and xwayland surfaces, but subsurfaces had been missed.
2021-03-22swaybar: fail gracefully on tokener creation failTudor Brindus
This commit adds missing error-handling to the creation of the tokener instance. The stack depth parameter is used to initialize an array that json-c prefaults ahead of time, causing INT_MAX to result in out of memory errors. Also drop the depth to 256 to prevent this OOM. Though this fix is not very satisfactory -- json-c could be made to not prefault -- it should do for now. At the very least, swaybar will not crash. Fixes #6126.
2021-03-21swaybar: use INT_MAX max JSON depth when parsing IPC responseTudor Brindus
There's no inherent limit on the nesting Sway can generate, and the default used by `json_tokener_new`, 32, can plausibly be hit during regular usage. Fixes #6115.
2021-03-21idle_inhibit: Store wlr inhibitor instead of viewKenny Levinsen
When an application inhibited idle, a view pointer was stored and a destroy listener was registered to the wlr inhibitor. As the wlr inhibitor lives longer than the view, this lead to a dangling view pointer between view unmap and inhibitor destroy. Store a pointer to the wlr inhibitor instead of to the view, and look up the view when needed, which may at any point be NULL. This also allows for an inhibitor to remain functional if a surface is re-mapped.
2021-03-21view: Handle NULL role object when role is setKenny Levinsen
wlr_(xdg|xwayland)_surface_from_wlr_surface can return NULL even though wlr_surface_is_(xdg|xwayland)_surface returned true.
2021-03-20ci: Update alpine xwayland package nameKenny Levinsen
2021-03-20swaybar: Use position from wl_pointer.enterKenny Levinsen
Only wl_pointer.motion was used to update pointer position, which would cause issues if the pointer was not moved prior to wl_pointer.button. This also fixes touch input through wl_pointer emulation, which fires wl_pointer.button immediately after wl_pointer.enter. Copied from a similar fix made to swaynag. Closes: https://github.com/swaywm/sway/issues/6109
2021-03-17swaybar: silence missing IconThemePath messagePi-Yueh Chuang
IconThemePath is not a standard property in XDG's StatusNotifierItem specification, so missing this property should not be logged as an error. This patch changes the log level to SWAY_DEBUG when swaybar queries the value of IconThemePath so that swaybar won't log the returned message as an error if IconThemePath does not exist. Closes: https://github.com/swaywm/sway/issues/6092
2021-03-16build: update version to v1.6-rc1Simon Ser
2021-03-12Implement input method keyboard grabxdavidwu
2021-03-12xwayland: simplify override-redirect focus restorationSimon Ser
No need to grab the xwayland surface from the wlr_surface, the parent is already an xwayland surface.
2021-03-11output: simplify layer surface iterationVyivel
2021-03-10container: Add view_container_content_atKenny Levinsen
container_at checks if the position provided matches the currently focused container with view_container_at as a fast path. view_container_at checks using the main container geometry, which includes the titlebar and border area. If a tabbed container is focused, then positions over unfocused tabs are incorrectly reported as belonging to the focused container, breaking focus on click. Add view_container_content_at for use in the focused container fast path which only tests container content area, and fall back to full workspace scans for border and titlebar areas. Closes: https://github.com/swaywm/sway/issues/6074
2021-03-07swaybar: use text subpixel antialias only where it would look goodFenveireth
Closes #5605 Text Subpixel antialiasing is : - FreeType makes glyph bitmaps containing coverage percentage for each subpixel, instead of pixel - Then draw by performing the blend for each subpixel, instead of pixel (e.g. dual-source blending in opengl) And there's only one Alpha channel, so this extra coverage data can't leave Cairo to reach the compositor through there. Therefore, it can't work as intended if output text alpha != bar background alpha. Disable it for those cases, enable it elsewhere As for color emojis, they are RGBA bitmaps. If drawn with text alpha=1.0 and background alpha=1.0 (should be completely opaque bar), then with 'CAIRO_OPERATOR_SOURCE' then texels with alpha < 1.0 result in a blend with whatever's behind the bar, instead of the bar background
2021-03-01container: Limit tiled focus to container geometryKenny Levinsen
container_at would maintain the current focus as long as a position was over one of the container view's surfaces. If an oversized surface was being clipped, this lead to weird focus behavior. Instead, use view_container_at for this test, which intersects the container box before looking at surfaces.
2021-03-01render: Clip surfaces to container boundsKenny Levinsen
If a surface is associated with a sway container, we limit the destination box to the container dimensions. Floating views and popups are exempt from this clipping.
2021-02-25Fix for_window criteria and mouse button bindingsftilde
Previously, the special case handling of scratchpad and unmark commands was (probably accidentally) limited to criteria directly handled in the execute_command function. This would exclude: 1. for_window criteria, as these are handled externally for views and 2. and mouse bindings which select target the node currently under the mouse cursor. As a concrete example `for_window [app_id="foobar"] move scratchpad, scratchpad show` would show (or hide due to the toggling functionality) another window from the scratchpad, instead of showing the window with app_id "foobar". This commit replaces the "using_criteria" flag with "node_overridden" with the more general notion of signifying that the node (and container/workspace) in the current command handler context of the sway config is not defined by the currently focused node, but instead overridden by other means, i.e., criteria or mouse position.
2021-02-25focus: beyond fullscreen when focused explicitlylbonn
When issuing a focus command on a specific container, users expect to proceed it even if is hidden by a fullscreen window. This matches the behavior of i3.
2021-02-25Automatically map built-in touchscreens/tablets to built-in panelsSimon Ser
Detect whether an output is built-in via its type. Detect whether a touchscreen or tablet tool is built-in via its ID_PATH property.
2021-02-25man: document `input XXX map_to_output *`Simon Ser
This is useful to reset the output mapping.