qemu: assume -vnc arg always takes a ':'

As of QEMU 0.9.0 the -vnc option accepts a ':' to separate port
from listen address, so the QEMU driver can assume that support
for listen addresses is always available.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

src/qemu/qemu_capabilities.c

@@ -1229,9 +1229,6 @@ virQEMUCapsComputeCmdFlags(const char *help,
         strstr(help, "sockets="))
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_SMP_TOPOLOGY);
 
-    if (version >= 9000)
-        virQEMUCapsSet(qemuCaps, QEMU_CAPS_VNC_COLON);
-
     if (is_kvm && (version >= 10000 || kvm_version >= 74))
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_VNET_HDR);
 
@@ -3219,7 +3216,6 @@ static qemuMonitorCallbacks callbacks = {
 static void
 virQEMUCapsInitQMPBasic(virQEMUCapsPtr qemuCaps)
 {
-    virQEMUCapsSet(qemuCaps, QEMU_CAPS_VNC_COLON);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_NO_REBOOT);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_DRIVE);
     virQEMUCapsSet(qemuCaps, QEMU_CAPS_NAME);

src/qemu/qemu_capabilities.h

@@ -47,7 +47,7 @@
 typedef enum {
     /* 0 */
     X_QEMU_CAPS_KQEMU, /* Whether KQEMU is compiled in */
-    QEMU_CAPS_VNC_COLON, /* VNC takes or address + display */
+    X_QEMU_CAPS_VNC_COLON, /* VNC takes or address + display */
     QEMU_CAPS_NO_REBOOT, /* Is the -no-reboot flag available */
     QEMU_CAPS_DRIVE, /* Is the new -drive arg available */
     QEMU_CAPS_DRIVE_BOOT, /* Does -drive support boot=on */

src/qemu/qemu_command.c

@@ -8210,97 +8210,90 @@ qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
             goto error;
         }
 
-        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
-            switch (virDomainGraphicsListenGetType(graphics, 0)) {
-            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
-                listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
-                break;
-
-            case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
-                listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
-                if (!listenNetwork)
-                    break;
-                ret = networkGetNetworkAddress(listenNetwork, &netAddr);
-                if (ret <= -2) {
-                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                                   "%s", _("network-based listen not possible, "
-                                           "network driver not present"));
-                    goto error;
-                }
-                if (ret < 0)
-                    goto error;
+        switch (virDomainGraphicsListenGetType(graphics, 0)) {
+        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
+            listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
+            break;
 
-                listenAddr = netAddr;
-                /* store the address we found in the <graphics> element so it
-                 * will show up in status. */
-                if (virDomainGraphicsListenSetAddress(graphics, 0,
-                                                      listenAddr, -1, false) < 0)
-                    goto error;
+        case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
+            listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
+            if (!listenNetwork)
                 break;
+            ret = networkGetNetworkAddress(listenNetwork, &netAddr);
+            if (ret <= -2) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                               "%s", _("network-based listen not possible, "
+                                       "network driver not present"));
+                goto error;
             }
+            if (ret < 0)
+                goto error;
 
-            if (!listenAddr)
-                listenAddr = cfg->vncListen;
+            listenAddr = netAddr;
+            /* store the address we found in the <graphics> element so it
+             * will show up in status. */
+            if (virDomainGraphicsListenSetAddress(graphics, 0,
+                                                  listenAddr, -1, false) < 0)
+                goto error;
+            break;
+        }
 
-            escapeAddr = strchr(listenAddr, ':') != NULL;
-            if (escapeAddr)
-                virBufferAsprintf(&opt, "[%s]", listenAddr);
-            else
-                virBufferAdd(&opt, listenAddr, -1);
-            virBufferAsprintf(&opt, ":%d",
-                              graphics->data.vnc.port - 5900);
+        if (!listenAddr)
+            listenAddr = cfg->vncListen;
 
-            VIR_FREE(netAddr);
-        } else {
-            virBufferAsprintf(&opt, "%d",
-                              graphics->data.vnc.port - 5900);
-        }
+        escapeAddr = strchr(listenAddr, ':') != NULL;
+        if (escapeAddr)
+            virBufferAsprintf(&opt, "[%s]", listenAddr);
+        else
+            virBufferAdd(&opt, listenAddr, -1);
+        virBufferAsprintf(&opt, ":%d",
+                          graphics->data.vnc.port - 5900);
+
+        VIR_FREE(netAddr);
     }
 
-    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
-        if (!graphics->data.vnc.socket &&
-            graphics->data.vnc.websocket) {
-                if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET)) {
-                    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                                   _("VNC WebSockets are not supported "
-                                     "with this QEMU binary"));
-                    goto error;
-                }
-                virBufferAsprintf(&opt, ",websocket=%d", graphics->data.vnc.websocket);
-            }
+    if (!graphics->data.vnc.socket &&
+        graphics->data.vnc.websocket) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("VNC WebSockets are not supported "
+                             "with this QEMU binary"));
+            goto error;
+        }
+        virBufferAsprintf(&opt, ",websocket=%d", graphics->data.vnc.websocket);
+    }
 
-        if (graphics->data.vnc.sharePolicy) {
-            if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_SHARE_POLICY)) {
-                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                               _("vnc display sharing policy is not "
-                                 "supported with this QEMU"));
-                goto error;
-            }
+    if (graphics->data.vnc.sharePolicy) {
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_SHARE_POLICY)) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("vnc display sharing policy is not "
+                             "supported with this QEMU"));
+            goto error;
+        }
 
-            virBufferAsprintf(&opt, ",share=%s",
-                              virDomainGraphicsVNCSharePolicyTypeToString(
+        virBufferAsprintf(&opt, ",share=%s",
+                          virDomainGraphicsVNCSharePolicyTypeToString(
                               graphics->data.vnc.sharePolicy));
-        }
+    }
 
-        if (graphics->data.vnc.auth.passwd || cfg->vncPassword)
-            virBufferAddLit(&opt, ",password");
+    if (graphics->data.vnc.auth.passwd || cfg->vncPassword)
+        virBufferAddLit(&opt, ",password");
 
-        if (cfg->vncTLS) {
-            virBufferAddLit(&opt, ",tls");
-            if (cfg->vncTLSx509verify)
-                virBufferAsprintf(&opt, ",x509verify=%s", cfg->vncTLSx509certdir);
-            else
-                virBufferAsprintf(&opt, ",x509=%s", cfg->vncTLSx509certdir);
-        }
+    if (cfg->vncTLS) {
+        virBufferAddLit(&opt, ",tls");
+        if (cfg->vncTLSx509verify)
+            virBufferAsprintf(&opt, ",x509verify=%s", cfg->vncTLSx509certdir);
+        else
+            virBufferAsprintf(&opt, ",x509=%s", cfg->vncTLSx509certdir);
+    }
 
-        if (cfg->vncSASL) {
-            virBufferAddLit(&opt, ",sasl");
+    if (cfg->vncSASL) {
+        virBufferAddLit(&opt, ",sasl");
 
-            if (cfg->vncSASLdir)
-                virCommandAddEnvPair(cmd, "SASL_CONF_PATH", cfg->vncSASLdir);
+        if (cfg->vncSASLdir)
+            virCommandAddEnvPair(cmd, "SASL_CONF_PATH", cfg->vncSASLdir);
 
-            /* TODO: Support ACLs later */
-        }
+        /* TODO: Support ACLs later */
     }
 
     virCommandAddArg(cmd, "-vnc");

tests/qemucapabilitiesdata/caps_1.2.2-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_1.3.1-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_1.4.2-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_1.5.3-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_1.6.0-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_1.6.50-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucapabilitiesdata/caps_2.1.1-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucaps2xmldata/all_1.6.0-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemucaps2xmldata/nodisksnapshot_1.6.0-1.caps

   <qemuCaps>
-    <flag name='vnc-colon'/>
     <flag name='no-reboot'/>
     <flag name='drive'/>
     <flag name='name'/>

tests/qemuhelptest.c

@@ -152,7 +152,6 @@ mymain(void)
     DO_TEST_FULL(name, version, is_kvm, kvm_version, VIR_ERR_OK, __VA_ARGS__)
 
     DO_TEST("qemu-0.12.1", 12001, 0, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_NAME,
@@ -188,7 +187,6 @@ mymain(void)
             QEMU_CAPS_CPU_HOST,
             QEMU_CAPS_VNC);
     DO_TEST("qemu-kvm-0.12.1.2-rhel60", 12001, 1, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_DRIVE_BOOT,
@@ -251,7 +249,6 @@ mymain(void)
             QEMU_CAPS_DEVICE_E1000,
             QEMU_CAPS_DEVICE_VIRTIO_NET);
     DO_TEST("qemu-kvm-0.12.3", 12003, 1, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_DRIVE_BOOT,
@@ -294,7 +291,6 @@ mymain(void)
             QEMU_CAPS_CPU_HOST,
             QEMU_CAPS_VNC);
     DO_TEST("qemu-kvm-0.13.0", 13000, 1, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_DRIVE_BOOT,
@@ -369,7 +365,6 @@ mymain(void)
             QEMU_CAPS_DEVICE_E1000,
             QEMU_CAPS_DEVICE_VIRTIO_NET);
     DO_TEST("qemu-kvm-0.12.1.2-rhel61", 12001, 1, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_NAME,
@@ -439,7 +434,6 @@ mymain(void)
             QEMU_CAPS_DEVICE_E1000,
             QEMU_CAPS_DEVICE_VIRTIO_NET);
     DO_TEST("qemu-kvm-0.12.1.2-rhel62-beta", 12001, 1, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_NAME,
@@ -517,7 +511,6 @@ mymain(void)
             QEMU_CAPS_DEVICE_E1000,
             QEMU_CAPS_DEVICE_VIRTIO_NET);
     DO_TEST("qemu-1.0", 1000000, 0, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_NAME,
@@ -610,7 +603,6 @@ mymain(void)
             QEMU_CAPS_DEVICE_E1000,
             QEMU_CAPS_DEVICE_VIRTIO_NET);
     DO_TEST("qemu-1.1.0", 1001000, 0, 0,
-            QEMU_CAPS_VNC_COLON,
             QEMU_CAPS_NO_REBOOT,
             QEMU_CAPS_DRIVE,
             QEMU_CAPS_NAME,

tests/qemuxml2argvtest.c

@@ -292,7 +292,6 @@ static int testCompareXMLToArgvFiles(const char *xml,
     monitor_chr.data.nix.listen = true;
 
     virQEMUCapsSetList(extraFlags,
-                       QEMU_CAPS_VNC_COLON,
                        QEMU_CAPS_NO_REBOOT,
                        QEMU_CAPS_NO_ACPI,
                        QEMU_CAPS_LAST);

tests/qemuxml2xmltest.c

@@ -114,7 +114,6 @@ static const char testStatusXMLPrefix[] =
 "    <vcpu pid='3803519'/>\n"
 "  </vcpus>\n"
 "  <qemuCaps>\n"
-"    <flag name='vnc-colon'/>\n"
 "    <flag name='no-reboot'/>\n"
 "    <flag name='drive'/>\n"
 "    <flag name='name'/>\n"

tests/qemuxmlnstest.c

@@ -86,7 +86,6 @@ static int testCompareXMLToArgvFiles(const char *xml,
         goto fail;
 
     virQEMUCapsSetList(extraFlags,
-                       QEMU_CAPS_VNC_COLON,
                        QEMU_CAPS_NO_REBOOT,
                        QEMU_CAPS_NO_ACPI,
                        QEMU_CAPS_LAST);