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screencopy/toplevelexport: sanitize pointers in ::copyFrame

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oopsie~~ >///<
This commit is contained in:
Vaxry
2024-02-07 00:18:47 +00:00
parent ded174d6e5
commit f085ed4454
4 changed files with 24 additions and 0 deletions
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7
src/protocols/Screencopy.cpp
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@@ -191,6 +191,13 @@ void CScreencopyProtocolManager::captureOutput(wl_client* client, wl_resource* r
PFRAME->resource = wl_resource_create(client, &zwlr_screencopy_frame_v1_interface, wl_resource_get_version(resource), frame);
PFRAME->pMonitor = g_pCompositor->getMonitorFromOutput(wlr_output_from_resource(output));
if (!g_pCompositor->monitorExists(PFRAME->pMonitor)) {
Debug::log(ERR, "client requested sharing of a monitor that is gone");
zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);
removeFrame(PFRAME);
return;
}
if (!PFRAME->pMonitor) {
Debug::log(ERR, "client requested sharing of a monitor that doesnt exist");
zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);