[libvirt] [PATCH v2] graphics: add support for action_if_connected in qemu
Michal Prívozník
mprivozn at redhat.com
Mon Jun 6 10:48:06 UTC 2011
From: Michal Privoznik <mprivozn at redhat.com>
This option accepts 3 values:
-keep, to keep current client connected (Spice+VNC)
-disconnect, to disconnect client (Spice)
-fail, to fail setting password if there is a client connected (Spice)
---
diff to v1:
-Eric's review suggestions included
-update 'Since'
docs/formatdomain.html.in | 13 +++++++++++--
docs/schemas/domain.rng | 16 ++++++++++++++++
src/conf/domain_conf.c | 44 +++++++++++++++++++++++++++++++++++++++++---
src/conf/domain_conf.h | 11 +++++++++++
src/libvirt_private.syms | 2 ++
src/qemu/qemu_hotplug.c | 15 ++++++++++++---
6 files changed, 93 insertions(+), 8 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 225e0c8..5dd54ca 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1801,7 +1801,11 @@ qemu-kvm -net nic,model=? /dev/null
in clear text. The <code>keymap</code> attribute specifies the keymap
to use. It is possible to set a limit on the validity of the password
be giving an timestamp <code>passwdValidTo='2010-04-09T15:51:00'</code>
- assumed to be in UTC. NB, this may not be supported by all hypervisors.<br/>
+ assumed to be in UTC. <span class="since">Since 0.8.5</span>
+ The <code>connected</code> attribute allows control of connected client
+ during password changes. VNC accepts <code>keep</code> value only.
+ <span class="since">since 0.9.3</span>
+ NB, this may not be supported by all hypervisors.<br/>
<br/>
Rather than using listen/port, QEMU supports a <code>socket</code>
attribute for listening on a unix domain socket path.
@@ -1820,7 +1824,12 @@ qemu-kvm -net nic,model=? /dev/null
in clear text. The <code>keymap</code> attribute specifies the keymap
to use. It is possible to set a limit on the validity of the password
be giving an timestamp <code>passwdValidTo='2010-04-09T15:51:00'</code>
- assumed to be in UTC. NB, this may not be supported by all hypervisors.
+ assumed to be in UTC. <span class="since">Since 0.8.5</span>
+ The <code>connected</code> attribute allows control of connected client
+ during password changes. SPICE accepts <code>keep</code> to keep client
+ connected, <code>disconnect</code> to disconnect client and
+ <code>fail</code> to fail changing password. <span class="since">Since 0.9.3</span>
+ NB, this may not be supported by all hypervisors.
<span class="since">"spice" since 0.8.6</span>.
</p>
<p>
diff --git a/docs/schemas/domain.rng b/docs/schemas/domain.rng
index 0be0371..e71b683 100644
--- a/docs/schemas/domain.rng
+++ b/docs/schemas/domain.rng
@@ -1250,6 +1250,13 @@
<data type="dateTime"/>
</attribute>
</optional>
+ <optional>
+ <attribute name="connected">
+ <choice>
+ <value>keep</value>
+ </choice>
+ </attribute>
+ </optional>
</group>
<group>
<attribute name="type">
@@ -1293,6 +1300,15 @@
<data type="dateTime"/>
</attribute>
</optional>
+ <optional>
+ <attribute name="connected">
+ <choice>
+ <value>fail</value>
+ <value>disconnect</value>
+ <value>keep</value>
+ </choice>
+ </attribute>
+ </optional>
<interleave>
<zeroOrMore>
<element name="channel">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 0d9fef4..19f22e0 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -311,6 +311,13 @@ VIR_ENUM_IMPL(virDomainGraphics, VIR_DOMAIN_GRAPHICS_TYPE_LAST,
"desktop",
"spice")
+VIR_ENUM_IMPL(virDomainGraphicsAuthConnected,
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_LAST,
+ "default",
+ "fail",
+ "disconnect",
+ "keep")
+
VIR_ENUM_IMPL(virDomainGraphicsSpiceChannelName,
VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST,
"main",
@@ -3892,9 +3899,12 @@ error:
static int
-virDomainGraphicsAuthDefParseXML(xmlNodePtr node, virDomainGraphicsAuthDefPtr def)
+virDomainGraphicsAuthDefParseXML(xmlNodePtr node,
+ virDomainGraphicsAuthDefPtr def,
+ int type)
{
char *validTo = NULL;
+ char *connected = virXMLPropString(node, "connected");
def->passwd = virXMLPropString(node, "passwd");
@@ -3935,6 +3945,28 @@ virDomainGraphicsAuthDefParseXML(xmlNodePtr node, virDomainGraphicsAuthDefPtr de
def->expires = 1;
}
+ if (connected) {
+ int action = virDomainGraphicsAuthConnectedTypeFromString(connected);
+ if (action <= 0) {
+ virDomainReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+ _("unknown connected value %s"),
+ connected);
+ VIR_FREE(connected);
+ return -1;
+ }
+ VIR_FREE(connected);
+
+ /* VNC supports connected='keep' only */
+ if (type == VIR_DOMAIN_GRAPHICS_TYPE_VNC &&
+ action != VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_KEEP) {
+ virDomainReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("VNC supports connected='keep' only"));
+ return -1;
+ }
+
+ def->connected = action;
+ }
+
return 0;
}
@@ -4004,7 +4036,8 @@ virDomainGraphicsDefParseXML(xmlNodePtr node, int flags) {
!def->data.vnc.listenAddr[0])
VIR_FREE(def->data.vnc.listenAddr);
- if (virDomainGraphicsAuthDefParseXML(node, &def->data.vnc.auth) < 0)
+ if (virDomainGraphicsAuthDefParseXML(node, &def->data.vnc.auth,
+ def->type) < 0)
goto error;
} else if (def->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
char *fullscreen = virXMLPropString(node, "fullscreen");
@@ -4140,7 +4173,8 @@ virDomainGraphicsDefParseXML(xmlNodePtr node, int flags) {
!def->data.spice.listenAddr[0])
VIR_FREE(def->data.spice.listenAddr);
- if (virDomainGraphicsAuthDefParseXML(node, &def->data.spice.auth) < 0)
+ if (virDomainGraphicsAuthDefParseXML(node, &def->data.spice.auth,
+ def->type) < 0)
goto error;
cur = node->children;
@@ -9075,6 +9109,10 @@ virDomainGraphicsAuthDefFormatAttr(virBufferPtr buf,
strftime(strbuf, sizeof(strbuf), "%Y-%m-%dT%H:%M:%S", tm);
virBufferAsprintf(buf, " passwdValidTo='%s'", strbuf);
}
+
+ if (def->connected)
+ virBufferEscapeString(buf, " connected='%s'",
+ virDomainGraphicsAuthConnectedTypeToString(def->connected));
}
static int
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 41c8136..6bfc337 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -640,12 +640,22 @@ enum virDomainGraphicsType {
VIR_DOMAIN_GRAPHICS_TYPE_LAST,
};
+enum virDomainGraphicsAuthConnectedType {
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_DEFAULT = 0,
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_FAIL,
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_DISCONNECT,
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_KEEP,
+
+ VIR_DOMAIN_GRAPHICS_AUTH_CONNECTED_LAST
+};
+
typedef struct _virDomainGraphicsAuthDef virDomainGraphicsAuthDef;
typedef virDomainGraphicsAuthDef *virDomainGraphicsAuthDefPtr;
struct _virDomainGraphicsAuthDef {
char *passwd;
unsigned int expires: 1; /* Whether there is an expiry time set */
time_t validTo; /* seconds since epoch */
+ int connected; /* action if connected */
};
enum virDomainGraphicsSpiceChannelName {
@@ -1546,6 +1556,7 @@ VIR_ENUM_DECL(virDomainHostdevSubsys)
VIR_ENUM_DECL(virDomainInput)
VIR_ENUM_DECL(virDomainInputBus)
VIR_ENUM_DECL(virDomainGraphics)
+VIR_ENUM_DECL(virDomainGraphicsAuthConnected)
VIR_ENUM_DECL(virDomainGraphicsSpiceChannelName)
VIR_ENUM_DECL(virDomainGraphicsSpiceChannelMode)
VIR_ENUM_DECL(virDomainGraphicsSpiceImageCompression)
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index e6ab870..c3ce412 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -267,6 +267,8 @@ virDomainFindByID;
virDomainFindByName;
virDomainFindByUUID;
virDomainGetRootFilesystem;
+virDomainGraphicsAuthConnectedTypeFromString;
+virDomainGraphicsAuthConnectedTypeToString;
virDomainGraphicsDefFree;
virDomainGraphicsSpiceChannelModeTypeFromString;
virDomainGraphicsSpiceChannelModeTypeToString;
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index fe47896..ead2cfc 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1059,10 +1059,12 @@ qemuDomainChangeGraphics(struct qemud_driver *driver,
return -1;
}
- /* If a password lifetime was, or is set, then we must always run,
- * even if new password matches old password */
+ /* If a password lifetime was, or is set, or action if connected has
+ * changed, then we must always run, even if new password matches
+ * old password */
if (olddev->data.vnc.auth.expires ||
dev->data.vnc.auth.expires ||
+ olddev->data.vnc.auth.connected != dev->data.vnc.auth.connected ||
STRNEQ_NULLABLE(olddev->data.vnc.auth.passwd, dev->data.vnc.auth.passwd)) {
VIR_DEBUG("Updating password on VNC server %p %p", dev->data.vnc.auth.passwd, driver->vncPassword);
ret = qemuDomainChangeGraphicsPasswords(driver, vm, VIR_DOMAIN_GRAPHICS_TYPE_VNC,
@@ -1074,6 +1076,7 @@ qemuDomainChangeGraphics(struct qemud_driver *driver,
dev->data.vnc.auth.passwd = NULL;
olddev->data.vnc.auth.validTo = dev->data.vnc.auth.validTo;
olddev->data.vnc.auth.expires = dev->data.vnc.auth.expires;
+ olddev->data.vnc.auth.connected = dev->data.vnc.auth.connected;
} else {
ret = 0;
}
@@ -1102,6 +1105,7 @@ qemuDomainChangeGraphics(struct qemud_driver *driver,
* even if new password matches old password */
if (olddev->data.spice.auth.expires ||
dev->data.spice.auth.expires ||
+ olddev->data.spice.auth.connected != dev->data.spice.auth.connected ||
STRNEQ_NULLABLE(olddev->data.spice.auth.passwd, dev->data.spice.auth.passwd)) {
VIR_DEBUG("Updating password on SPICE server %p %p", dev->data.spice.auth.passwd, driver->spicePassword);
ret = qemuDomainChangeGraphicsPasswords(driver, vm, VIR_DOMAIN_GRAPHICS_TYPE_SPICE,
@@ -1113,6 +1117,7 @@ qemuDomainChangeGraphics(struct qemud_driver *driver,
dev->data.spice.auth.passwd = NULL;
olddev->data.spice.auth.validTo = dev->data.spice.auth.validTo;
olddev->data.spice.auth.expires = dev->data.spice.auth.expires;
+ olddev->data.spice.auth.connected = dev->data.spice.auth.connected;
} else {
VIR_DEBUG("Not updating since password didn't change");
ret = 0;
@@ -1797,16 +1802,20 @@ qemuDomainChangeGraphicsPasswords(struct qemud_driver *driver,
qemuDomainObjPrivatePtr priv = vm->privateData;
time_t now = time(NULL);
char expire_time [64];
+ const char *connected;
int ret;
if (!auth->passwd && !driver->vncPassword)
return 0;
+ if (auth->connected)
+ connected = virDomainGraphicsAuthConnectedTypeToString(auth->connected)l
+
qemuDomainObjEnterMonitorWithDriver(driver, vm);
ret = qemuMonitorSetPassword(priv->mon,
type,
auth->passwd ? auth->passwd : defaultPasswd,
- NULL);
+ connected);
if (ret == -2) {
if (type != VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
--
1.7.5.rc3
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