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authorBrandon Carpenter <brandon.carpenter@cypherpath.com>2017-09-12 08:21:47 -0700
committerDaniel P. Berrange <berrange@redhat.com>2017-10-04 13:21:53 +0100
commita75d6f07613af7ec5b016b31b117436e32ce7a5f (patch)
tree60e063eefa48a8535b57fac8d4ff39f5e4e7327f
parent33badfd1e3735b877e41939100511c65572be6b9 (diff)
ui: Always remove an old VNC channel watch before adding a new one
Also set saved handle to zero when removing without adding a new watch. Signed-off-by: Brandon Carpenter <brandon.carpenter@cypherpath.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
-rw-r--r--ui/vnc-auth-vencrypt.c3
-rw-r--r--ui/vnc-ws.c6
-rw-r--r--ui/vnc.c4
3 files changed, 13 insertions, 0 deletions
diff --git a/ui/vnc-auth-vencrypt.c b/ui/vnc-auth-vencrypt.c
index f0bec204b3..7833631275 100644
--- a/ui/vnc-auth-vencrypt.c
+++ b/ui/vnc-auth-vencrypt.c
@@ -75,6 +75,9 @@ static void vnc_tls_handshake_done(QIOTask *task,
vnc_client_error(vs);
error_free(err);
} else {
+ if (vs->ioc_tag) {
+ g_source_remove(vs->ioc_tag);
+ }
vs->ioc_tag = qio_channel_add_watch(
vs->ioc, G_IO_IN | G_IO_OUT, vnc_client_io, vs, NULL);
start_auth_vencrypt_subauth(vs);
diff --git a/ui/vnc-ws.c b/ui/vnc-ws.c
index aeaafe2c21..6ccad22cef 100644
--- a/ui/vnc-ws.c
+++ b/ui/vnc-ws.c
@@ -37,6 +37,9 @@ static void vncws_tls_handshake_done(QIOTask *task,
error_free(err);
} else {
VNC_DEBUG("TLS handshake complete, starting websocket handshake\n");
+ if (vs->ioc_tag) {
+ g_source_remove(vs->ioc_tag);
+ }
vs->ioc_tag = qio_channel_add_watch(
QIO_CHANNEL(vs->ioc), G_IO_IN, vncws_handshake_io, vs, NULL);
}
@@ -97,6 +100,9 @@ static void vncws_handshake_done(QIOTask *task,
} else {
VNC_DEBUG("Websock handshake complete, starting VNC protocol\n");
vnc_start_protocol(vs);
+ if (vs->ioc_tag) {
+ g_source_remove(vs->ioc_tag);
+ }
vs->ioc_tag = qio_channel_add_watch(
vs->ioc, G_IO_IN, vnc_client_io, vs, NULL);
}
diff --git a/ui/vnc.c b/ui/vnc.c
index af810f0547..9f8d5a1b1f 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1122,6 +1122,7 @@ static void vnc_disconnect_start(VncState *vs)
vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED);
if (vs->ioc_tag) {
g_source_remove(vs->ioc_tag);
+ vs->ioc_tag = 0;
}
qio_channel_close(vs->ioc, NULL);
vs->disconnecting = TRUE;
@@ -2934,6 +2935,9 @@ static void vnc_connect(VncDisplay *vd, QIOChannelSocket *sioc,
VNC_DEBUG("New client on socket %p\n", vs->sioc);
update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE);
qio_channel_set_blocking(vs->ioc, false, NULL);
+ if (vs->ioc_tag) {
+ g_source_remove(vs->ioc_tag);
+ }
if (websocket) {
vs->websocket = 1;
if (vd->tlscreds) {