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From 2c959596e23736aadad5010a8db665b99359b517 Mon Sep 17 00:00:00 2001
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From: "Daniel P. Berrange" <berrange@redhat.com>
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Date: Wed, 20 Dec 2017 17:56:46 +0100
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Subject: [PATCH 06/42] ui: Always remove an old VNC channel watch before
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adding a new one
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RH-Author: Daniel P. Berrange <berrange@redhat.com>
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Message-id: <20171220175702.29663-5-berrange@redhat.com>
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Patchwork-id: 78457
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O-Subject: [RHV-7.5 qemu-kvm-rhev PATCH v2 04/20] ui: Always remove an old VNC channel watch before adding a new one
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Bugzilla: 1518649
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RH-Acked-by: John Snow <jsnow@redhat.com>
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Brandon Carpenter <brandon.carpenter@cypherpath.com>
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Also set saved handle to zero when removing without adding a new watch.
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Signed-off-by: Brandon Carpenter <brandon.carpenter@cypherpath.com>
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
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(cherry picked from commit a75d6f07613af7ec5b016b31b117436e32ce7a5f)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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ui/vnc-auth-vencrypt.c | 3 +++
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ui/vnc-ws.c | 6 ++++++
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ui/vnc.c | 4 ++++
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3 files changed, 13 insertions(+)
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diff --git a/ui/vnc-auth-vencrypt.c b/ui/vnc-auth-vencrypt.c
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index ffaab57..c3eece4 100644
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--- a/ui/vnc-auth-vencrypt.c
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+++ b/ui/vnc-auth-vencrypt.c
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@@ -77,6 +77,9 @@ static void vnc_tls_handshake_done(QIOTask *task,
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vnc_client_error(vs);
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error_free(err);
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} else {
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+ if (vs->ioc_tag) {
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+ g_source_remove(vs->ioc_tag);
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+ }
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vs->ioc_tag = qio_channel_add_watch(
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vs->ioc, G_IO_IN | G_IO_OUT, vnc_client_io, vs, NULL);
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start_auth_vencrypt_subauth(vs);
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diff --git a/ui/vnc-ws.c b/ui/vnc-ws.c
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index f530cd5..eaf3095 100644
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--- a/ui/vnc-ws.c
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+++ b/ui/vnc-ws.c
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@@ -36,6 +36,9 @@ static void vncws_tls_handshake_done(QIOTask *task,
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error_free(err);
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} else {
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VNC_DEBUG("TLS handshake complete, starting websocket handshake\n");
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+ if (vs->ioc_tag) {
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+ g_source_remove(vs->ioc_tag);
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+ }
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vs->ioc_tag = qio_channel_add_watch(
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QIO_CHANNEL(vs->ioc), G_IO_IN, vncws_handshake_io, vs, NULL);
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}
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@@ -97,6 +100,9 @@ static void vncws_handshake_done(QIOTask *task,
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} else {
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VNC_DEBUG("Websock handshake complete, starting VNC protocol\n");
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vnc_start_protocol(vs);
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+ if (vs->ioc_tag) {
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+ g_source_remove(vs->ioc_tag);
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+ }
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vs->ioc_tag = qio_channel_add_watch(
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vs->ioc, G_IO_IN, vnc_client_io, vs, NULL);
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}
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diff --git a/ui/vnc.c b/ui/vnc.c
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index 5b1e264..4e1d94f 100644
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--- a/ui/vnc.c
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+++ b/ui/vnc.c
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@@ -1121,6 +1121,7 @@ static void vnc_disconnect_start(VncState *vs)
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vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED);
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if (vs->ioc_tag) {
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g_source_remove(vs->ioc_tag);
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+ vs->ioc_tag = 0;
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}
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qio_channel_close(vs->ioc, NULL);
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vs->disconnecting = TRUE;
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@@ -2931,6 +2932,9 @@ static void vnc_connect(VncDisplay *vd, QIOChannelSocket *sioc,
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VNC_DEBUG("New client on socket %p\n", vs->sioc);
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update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
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qio_channel_set_blocking(vs->ioc, false, NULL);
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+ if (vs->ioc_tag) {
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+ g_source_remove(vs->ioc_tag);
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+ }
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if (websocket) {
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vs->websocket = 1;
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if (vd->tlscreds) {
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--
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1.8.3.1
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