Commit Graph

11 Commits

Author SHA1 Message Date
Marc-André Lureau 02a8ee2e18 ui/clipboard: fix use-after-free regression
The same info may be used to update the clipboard, and may be freed
before being ref'ed again.

Fixes: 70a54b0169 ("ui: avoid compiler warnings from unused clipboard info variable")

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220214115917.1679568-1-marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-03-04 11:29:34 +01:00
Daniel P. Berrangé 70a54b0169 ui: avoid compiler warnings from unused clipboard info variable
With latest clang 13.0.0 we get

../ui/clipboard.c:47:34: error: variable 'old' set but not used [-Werror,-Wunused-but-set-variable]
    g_autoptr(QemuClipboardInfo) old = NULL;
                                 ^

The compiler can't tell that we only declared this variable in
order to get the side effect of free'ing it when out of scope.

This pattern is a little dubious for a use of g_autoptr, so
rewrite the code to avoid it.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
[AJB: fix merge conflict]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211215141949.3512719-2-berrange@redhat.com>
Message-Id: <20220105135009.1584676-2-alex.bennee@linaro.org>
2022-01-18 16:42:41 +00:00
Marc-André Lureau 505dbf9b99 ui/clipboard: add a clipboard reset serial event
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Marc-André Lureau 349504e5a1 ui/clipboard: add qemu_clipboard_check_serial()
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Marc-André Lureau 1b17f1e9f9 ui: generalize clipboard notifier
Use a QemuClipboardNotify union type for extendable clipboard events.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-12-21 10:50:21 +04:00
Marc-André Lureau 7424bfaa99 ui/clipboard: release owned grabs on unregister
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-9-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-31 17:25:14 +04:00
Marc-André Lureau 1387865eca ui/clipboard: add qemu_clipboard_peer_release() helper
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-8-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-31 17:25:14 +04:00
Marc-André Lureau 482bbaf477 ui/clipboard: add qemu_clipboard_peer_owns() helper
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-7-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-31 17:25:14 +04:00
Marc-André Lureau 684e64d36d ui/clipboard: add helper to retrieve current clipboard
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-6-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
2021-08-31 17:25:14 +04:00
Akihiko Odaki 7e3e20d891 ui/cocoa: Add clipboard support
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20210616141954.54291-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-06-23 14:26:04 +02:00
Gerd Hoffmann 660e8d0f0b ui: add clipboard infrastructure
Add some infrastructure to manage the clipboard in qemu.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20210519053940.1888907-1-kraxel@redhat.com
Message-Id: <20210519053940.1888907-3-kraxel@redhat.com>
2021-05-21 09:42:44 +02:00