qemu: Escape commas for qemuBuildSCSIiSCSIHostdevDrvStr

Add comma escaping for netsource. This is done here because
qemuBuildNetworkDriveStr has other external callers which
may not expect an escaped comma; however, this particular
command building path needs to perform the escaping for the
hostdev command line, so we do it now to ensure src->path
and src->host->name are covered.
Signed-off-by: NAnya Harter <aharter@redhat.com>

src/qemu/qemu_command.c

@@ -4663,7 +4663,9 @@ qemuBuildSCSIiSCSIHostdevDrvStr(virDomainHostdevDefPtr dev,
         if (!(netsource = qemuBuildNetworkDriveStr(iscsisrc->src, srcPriv ?
                                                    srcPriv->secinfo : NULL)))
             goto cleanup;
-        virBufferAsprintf(&buf, "file=%s,if=none,format=raw", netsource);
+        virBufferAddLit(&buf, "file=");
+        virQEMUBuildBufferEscapeComma(&buf, netsource);
+        virBufferAddLit(&buf, ",if=none,format=raw");
     }
 
     if (virBufferCheckError(&buf) < 0)

tests/qemuxml2argvdata/name-escape.args

@@ -22,6 +22,7 @@ bar=2/monitor.sock,server,nowait \
 -no-shutdown \
 -no-acpi \
 -boot c \
+-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x3 \
 -device usb-ccid,id=ccid0,bus=usb.0,port=1 \
 -usb \
 -drive file=/dev/HostVG/QEMUGuest1,format=qcow2,if=none,id=drive-ide0-0-0,\
@@ -41,4 +42,8 @@ cert3=cert3,db=/etc/pki/nssdb,,foo,id=smartcard0,bus=ccid0.0 \
 -spice unix,addr=/tmp/lib/domain--1-foo=1,,bar=2/spice.sock,gl=on,\
 rendernode=/dev/dri/foo,,bar \
 -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 \
--device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
+-drive file=iscsi://example.foo.org:3260/iqn.1992-01.com.example%3Amy,,\
+storage/1,if=none,format=raw,id=drive-hostdev0 \
+-device scsi-generic,bus=scsi0.0,channel=0,scsi-id=0,lun=4,\
+drive=drive-hostdev0,id=hostdev0 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4

tests/qemuxml2argvdata/name-escape.xml

@@ -27,6 +27,13 @@
       </iotune>
       <address type='drive' controller='0' bus='0' target='0' unit='0'/>
     </disk>
+    <controller type='scsi' index='0' model='virtio-scsi'/>
+    <hostdev mode='subsystem' type='scsi' managed='yes'>
+        <source protocol='iscsi' name='iqn.1992-01.com.example:my,storage/1'>
+        <host name='example.foo.org' port='3260'/>
+      </source>
+      <address type='drive' controller='0' bus='0' target='0' unit='4'/>
+    </hostdev>
     <graphics type='vnc'>
       <listen type='socket'/>
     </graphics>

tests/qemuxml2argvtest.c

@@ -2773,7 +2773,9 @@ mymain(void)
             QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
             QEMU_CAPS_DEVICE_ISA_SERIAL,
             QEMU_CAPS_CHARDEV_FILE_APPEND,
-            QEMU_CAPS_CCID_EMULATED);
+            QEMU_CAPS_CCID_EMULATED,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_SCSI_GENERIC);
     DO_TEST("debug-threads", QEMU_CAPS_NAME_DEBUG_THREADS);
 
     DO_TEST("master-key", QEMU_CAPS_OBJECT_SECRET);