[libvirt] [PATCH v11 4/5] qemu: Add a secret object to/for a char source dev

John Ferlan jferlan at redhat.com
Mon Oct 24 22:46:20 UTC 2016


Add the secret object so the 'passwordid=' can be added if the command line
if there's a secret defined in/on the host for TCP chardev TLS objects.

Preparation for the secret involves adding the secinfo to the char source
device prior to command line processing. There are multiple possibilities
for TCP chardev source backend usage.

Add test for at least a serial chardev as an example.

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_command.c                            |  30 +++-
 src/qemu/qemu_command.h                            |   1 +
 src/qemu/qemu_domain.c                             | 173 ++++++++++++++++++++-
 src/qemu/qemu_domain.h                             |  17 +-
 src/qemu/qemu_hotplug.c                            |   1 +
 src/qemu/qemu_process.c                            |   9 +-
 ...xml2argv-serial-tcp-tlsx509-secret-chardev.args |  38 +++++
 ...uxml2argv-serial-tcp-tlsx509-secret-chardev.xml |  50 ++++++
 tests/qemuxml2argvtest.c                           |  17 ++
 9 files changed, 327 insertions(+), 9 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 6bf6510..1c07959 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -695,6 +695,7 @@ qemuBuildRBDSecinfoURI(virBufferPtr buf,
  * @tlspath: path to the TLS credentials
  * @listen: boolen listen for client or server setting
  * @verifypeer: boolean to enable peer verification (form of authorization)
+ * @secalias: if one exists, the alias of the security object for passwordid
  * @qemuCaps: capabilities
  * @propsret: json properties to return
  *
@@ -706,6 +707,7 @@ int
 qemuBuildTLSx509BackendProps(const char *tlspath,
                              bool isListen,
                              bool verifypeer,
+                             const char *secalias,
                              virQEMUCapsPtr qemuCaps,
                              virJSONValuePtr *propsret)
 {
@@ -731,6 +733,10 @@ qemuBuildTLSx509BackendProps(const char *tlspath,
                                  NULL) < 0)
         goto cleanup;
 
+    if (secalias &&
+        virJSONValueObjectAdd(*propsret, "s:passwordid", secalias, NULL) < 0)
+        goto cleanup;
+
     ret = 0;
 
  cleanup:
@@ -745,6 +751,7 @@ qemuBuildTLSx509BackendProps(const char *tlspath,
  * @tlspath: path to the TLS credentials
  * @listen: boolen listen for client or server setting
  * @verifypeer: boolean to enable peer verification (form of authorization)
+ * @addpasswordid: boolean to handle adding passwordid to object
  * @inalias: Alias for the parent to generate object alias
  * @qemuCaps: capabilities
  *
@@ -757,6 +764,7 @@ qemuBuildTLSx509CommandLine(virCommandPtr cmd,
                             const char *tlspath,
                             bool isListen,
                             bool verifypeer,
+                            bool addpasswordid,
                             const char *inalias,
                             virQEMUCapsPtr qemuCaps)
 {
@@ -764,11 +772,16 @@ qemuBuildTLSx509CommandLine(virCommandPtr cmd,
     char *objalias = NULL;
     virJSONValuePtr props = NULL;
     char *tmp = NULL;
+    char *secalias = NULL;
 
-    if (qemuBuildTLSx509BackendProps(tlspath, isListen, verifypeer,
-                                     qemuCaps, &props) < 0)
+    if (addpasswordid &&
+        !(secalias = qemuDomainGetSecretAESAlias(inalias, false)))
         return -1;
 
+    if (qemuBuildTLSx509BackendProps(tlspath, isListen, verifypeer, secalias,
+                                     qemuCaps, &props) < 0)
+        goto cleanup;
+
     if (!(objalias = qemuAliasTLSObjFromChardevAlias(inalias)))
         goto cleanup;
 
@@ -784,6 +797,7 @@ qemuBuildTLSx509CommandLine(virCommandPtr cmd,
     virJSONValueFree(props);
     VIR_FREE(objalias);
     VIR_FREE(tmp);
+    VIR_FREE(secalias);
     return ret;
 }
 
@@ -4936,11 +4950,23 @@ qemuBuildChrChardevStr(virLogManagerPtr logManager,
             virBufferAdd(&buf, nowait ? ",server,nowait" : ",server", -1);
 
         if (dev->data.tcp.haveTLS == VIR_TRISTATE_BOOL_YES) {
+            qemuDomainChrSourcePrivatePtr chrSourcePriv =
+                QEMU_DOMAIN_CHR_SOURCE_PRIVATE(dev);
             char *objalias = NULL;
 
+            /* Add the secret object first if necessary. The
+             * secinfo is added only to a TCP serial device during
+             * qemuDomainSecretChardevPrepare. Subsequently called
+             * functions can just check the config fields */
+            if (chrSourcePriv && chrSourcePriv->secinfo &&
+                qemuBuildObjectSecretCommandLine(cmd,
+                                                 chrSourcePriv->secinfo) < 0)
+                goto error;
+
             if (qemuBuildTLSx509CommandLine(cmd, cfg->chardevTLSx509certdir,
                                             dev->data.tcp.listen,
                                             cfg->chardevTLSx509verify,
+                                            !!cfg->chardevTLSx509secretUUID,
                                             charAlias, qemuCaps) < 0)
                 goto error;
 
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 2f2a6ff..a793fb6 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -69,6 +69,7 @@ int qemuBuildSecretInfoProps(qemuDomainSecretInfoPtr secinfo,
 int qemuBuildTLSx509BackendProps(const char *tlspath,
                                  bool isListen,
                                  bool verifypeer,
+                                 const char *secalias,
                                  virQEMUCapsPtr qemuCaps,
                                  virJSONValuePtr *propsret);
 
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 41ac52d..38c0f18 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1042,7 +1042,8 @@ qemuDomainSecretSetup(virConnectPtr conn,
     if (virCryptoHaveCipher(VIR_CRYPTO_CIPHER_AES256CBC) &&
         virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_SECRET) &&
         (secretUsageType == VIR_SECRET_USAGE_TYPE_CEPH ||
-         secretUsageType == VIR_SECRET_USAGE_TYPE_VOLUME)) {
+         secretUsageType == VIR_SECRET_USAGE_TYPE_VOLUME ||
+         secretUsageType == VIR_SECRET_USAGE_TYPE_TLS)) {
         if (qemuDomainSecretAESSetup(conn, priv, secinfo, srcalias,
                                      secretUsageType, username,
                                      seclookupdef, isLuks) < 0)
@@ -1220,6 +1221,97 @@ qemuDomainSecretHostdevPrepare(virConnectPtr conn,
 }
 
 
+/* qemuDomainSecretChardevDestroy:
+ * @disk: Pointer to a chardev definition
+ *
+ * Clear and destroy memory associated with the secret
+ */
+void
+qemuDomainSecretChardevDestroy(virDomainChrSourceDefPtr dev)
+{
+    qemuDomainChrSourcePrivatePtr chrSourcePriv =
+        QEMU_DOMAIN_CHR_SOURCE_PRIVATE(dev);
+
+    if (!chrSourcePriv || !chrSourcePriv->secinfo)
+        return;
+
+    qemuDomainSecretInfoFree(&chrSourcePriv->secinfo);
+}
+
+
+/* qemuDomainSecretChardevPrepare:
+ * @conn: Pointer to connection
+ * @driver: Pointer to driver object
+ * @priv: pointer to domain private object
+ * @chrAlias: Alias of the chr device
+ * @dev: Pointer to a char source definition
+ *
+ * For a TCP character device, generate a qemuDomainSecretInfo to be used
+ * by the command line code to generate the secret for the tls-creds to use.
+ *
+ * Returns 0 on success, -1 on failure
+ */
+int
+qemuDomainSecretChardevPrepare(virConnectPtr conn,
+                               virQEMUDriverPtr driver,
+                               qemuDomainObjPrivatePtr priv,
+                               const char *chrAlias,
+                               virDomainChrSourceDefPtr dev)
+{
+    virQEMUDriverConfigPtr cfg;
+    virSecretLookupTypeDef seclookupdef = {0};
+    qemuDomainSecretInfoPtr secinfo = NULL;
+    char *charAlias = NULL;
+
+    if (dev->type != VIR_DOMAIN_CHR_TYPE_TCP)
+        return 0;
+
+    cfg = virQEMUDriverGetConfig(driver);
+    if (dev->data.tcp.haveTLS == VIR_TRISTATE_BOOL_YES &&
+        cfg->chardevTLSx509secretUUID) {
+        qemuDomainChrSourcePrivatePtr chrSourcePriv =
+            QEMU_DOMAIN_CHR_SOURCE_PRIVATE(dev);
+
+        if (virUUIDParse(cfg->chardevTLSx509secretUUID,
+                         seclookupdef.u.uuid) < 0) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("malformed chardev TLS secret uuid in qemu.conf"));
+            goto error;
+        }
+        seclookupdef.type = VIR_SECRET_LOOKUP_TYPE_UUID;
+
+        if (VIR_ALLOC(secinfo) < 0)
+            goto error;
+
+        if (!(charAlias = qemuAliasChardevFromDevAlias(chrAlias)))
+            goto error;
+
+        if (qemuDomainSecretSetup(conn, priv, secinfo, charAlias,
+                                  VIR_SECRET_USAGE_TYPE_TLS, NULL,
+                                  &seclookupdef, false) < 0)
+            goto error;
+
+        if (secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_PLAIN) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                           _("TLS X.509 requires encrypted secrets "
+                             "to be supported"));
+            goto error;
+        }
+
+        chrSourcePriv->secinfo = secinfo;
+    }
+
+    VIR_FREE(charAlias);
+    virObjectUnref(cfg);
+    return 0;
+
+ error:
+    virObjectUnref(cfg);
+    qemuDomainSecretInfoFree(&secinfo);
+    return -1;
+}
+
+
 /* qemuDomainSecretDestroy:
  * @vm: Domain object
  *
@@ -1236,11 +1328,38 @@ qemuDomainSecretDestroy(virDomainObjPtr vm)
 
     for (i = 0; i < vm->def->nhostdevs; i++)
         qemuDomainSecretHostdevDestroy(vm->def->hostdevs[i]);
+
+    for (i = 0; i < vm->def->nserials; i++)
+        qemuDomainSecretChardevDestroy(vm->def->serials[i]->source);
+
+    for (i = 0; i < vm->def->nparallels; i++)
+        qemuDomainSecretChardevDestroy(vm->def->parallels[i]->source);
+
+    for (i = 0; i < vm->def->nchannels; i++)
+        qemuDomainSecretChardevDestroy(vm->def->channels[i]->source);
+
+    for (i = 0; i < vm->def->nconsoles; i++)
+        qemuDomainSecretChardevDestroy(vm->def->consoles[i]->source);
+
+    for (i = 0; i < vm->def->nsmartcards; i++) {
+        if (vm->def->smartcards[i]->type ==
+            VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH)
+            qemuDomainSecretChardevDestroy(vm->def->smartcards[i]->data.passthru);
+    }
+
+    for (i = 0; i < vm->def->nrngs; i++) {
+        if (vm->def->rngs[i]->backend == VIR_DOMAIN_RNG_BACKEND_EGD)
+            qemuDomainSecretChardevDestroy(vm->def->rngs[i]->source.chardev);
+    }
+
+    for (i = 0; i < vm->def->nredirdevs; i++)
+        qemuDomainSecretChardevDestroy(vm->def->redirdevs[i]->source);
 }
 
 
 /* qemuDomainSecretPrepare:
  * @conn: Pointer to connection
+ * @driver: Pointer to driver object
  * @vm: Domain object
  *
  * For any objects that may require an auth/secret setup, create a
@@ -1253,6 +1372,7 @@ qemuDomainSecretDestroy(virDomainObjPtr vm)
  */
 int
 qemuDomainSecretPrepare(virConnectPtr conn,
+                        virQEMUDriverPtr driver,
                         virDomainObjPtr vm)
 {
     qemuDomainObjPrivatePtr priv = vm->privateData;
@@ -1269,6 +1389,57 @@ qemuDomainSecretPrepare(virConnectPtr conn,
             return -1;
     }
 
+    for (i = 0; i < vm->def->nserials; i++) {
+        if (qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->serials[i]->info.alias,
+                                           vm->def->serials[i]->source) < 0)
+            return -1;
+    }
+
+    for (i = 0; i < vm->def->nparallels; i++) {
+        if (qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->parallels[i]->info.alias,
+                                           vm->def->parallels[i]->source) < 0)
+            return -1;
+    }
+
+    for (i = 0; i < vm->def->nchannels; i++) {
+        if (qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->channels[i]->info.alias,
+                                           vm->def->channels[i]->source) < 0)
+            return -1;
+    }
+
+    for (i = 0; i < vm->def->nconsoles; i++) {
+        if (qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->consoles[i]->info.alias,
+                                           vm->def->consoles[i]->source) < 0)
+            return -1;
+    }
+
+    for (i = 0; i < vm->def->nsmartcards; i++)
+        if (vm->def->smartcards[i]->type ==
+            VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH &&
+            qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->smartcards[i]->info.alias,
+                                           vm->def->smartcards[i]->data.passthru) < 0)
+            return -1;
+
+    for (i = 0; i < vm->def->nrngs; i++) {
+        if (vm->def->rngs[i]->backend == VIR_DOMAIN_RNG_BACKEND_EGD &&
+            qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->rngs[i]->info.alias,
+                                           vm->def->rngs[i]->source.chardev) < 0)
+            return -1;
+    }
+
+    for (i = 0; i < vm->def->nredirdevs; i++) {
+        if (qemuDomainSecretChardevPrepare(conn, driver, priv,
+                                           vm->def->redirdevs[i]->info.alias,
+                                           vm->def->redirdevs[i]->source) < 0)
+            return -1;
+    }
+
     return 0;
 }
 
diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
index 4f9bf82..0820afd 100644
--- a/src/qemu/qemu_domain.h
+++ b/src/qemu/qemu_domain.h
@@ -726,11 +726,24 @@ int qemuDomainSecretHostdevPrepare(virConnectPtr conn,
                                    virDomainHostdevDefPtr hostdev)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
 
+void qemuDomainSecretChardevDestroy(virDomainChrSourceDefPtr dev)
+    ATTRIBUTE_NONNULL(1);
+
+int qemuDomainSecretChardevPrepare(virConnectPtr conn,
+                                   virQEMUDriverPtr driver,
+                                   qemuDomainObjPrivatePtr priv,
+                                   const char *chrAlias,
+                                   virDomainChrSourceDefPtr dev)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3)
+    ATTRIBUTE_NONNULL(4);
+
 void qemuDomainSecretDestroy(virDomainObjPtr vm)
     ATTRIBUTE_NONNULL(1);
 
-int qemuDomainSecretPrepare(virConnectPtr conn, virDomainObjPtr vm)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
+int qemuDomainSecretPrepare(virConnectPtr conn,
+                            virQEMUDriverPtr driver,
+                            virDomainObjPtr vm)
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
 
 int qemuDomainDefValidateDiskLunSource(const virStorageSource *src)
     ATTRIBUTE_NONNULL(1);
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index f401b48..ba339a3 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1489,6 +1489,7 @@ qemuDomainGetChardevTLSObjects(virQEMUDriverConfigPtr cfg,
     if (qemuBuildTLSx509BackendProps(cfg->chardevTLSx509certdir,
                                      dev->data.tcp.listen,
                                      cfg->chardevTLSx509verify,
+                                     NULL,
                                      priv->qemuCaps,
                                      tlsProps) < 0)
         return -1;
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index 33b78b1..1b67aee 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -5157,8 +5157,11 @@ qemuProcessPrepareDomain(virConnectPtr conn,
     if (qemuDomainMasterKeyCreate(vm) < 0)
         goto cleanup;
 
-    VIR_DEBUG("Add secrets to disks and hostdevs");
-    if (qemuDomainSecretPrepare(conn, vm) < 0)
+    VIR_DEBUG("Prepare chardev source backends for TLS");
+    qemuDomainPrepareChardevSource(vm->def, driver);
+
+    VIR_DEBUG("Add secrets to disks, hostdevs, and chardevs");
+    if (qemuDomainSecretPrepare(conn, driver, vm) < 0)
         goto cleanup;
 
     for (i = 0; i < vm->def->nchannels; i++) {
@@ -5167,8 +5170,6 @@ qemuProcessPrepareDomain(virConnectPtr conn,
             goto cleanup;
     }
 
-    qemuDomainPrepareChardevSource(vm->def, driver);
-
     if (VIR_ALLOC(priv->monConfig) < 0)
         goto cleanup;
 
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.args b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.args
new file mode 100644
index 0000000..7f9fedb
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.args
@@ -0,0 +1,38 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-name QEMUGuest1 \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-M pc \
+-m 214 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-no-acpi \
+-boot c \
+-usb \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
+-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
+-chardev udp,id=charserial0,host=127.0.0.1,port=2222,localaddr=127.0.0.1,\
+localport=1111 \
+-device isa-serial,chardev=charserial0,id=serial0 \
+-object secret,id=charserial1-secret0,\
+data=9eao5F8qtkGt+seB1HYivWIxbtwUu6MQtg1zpj/oDtUsPr1q8wBYM91uEHCn6j/1,\
+keyid=masterKey0,iv=AAECAwQFBgcICQoLDA0ODw==,format=base64 \
+-object tls-creds-x509,id=objcharserial1_tls0,dir=/etc/pki/libvirt-chardev,\
+endpoint=client,verify-peer=no,passwordid=charserial1-secret0 \
+-chardev socket,id=charserial1,host=127.0.0.1,port=5555,\
+tls-creds=objcharserial1_tls0 \
+-device isa-serial,chardev=charserial1,id=serial1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.xml b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.xml
new file mode 100644
index 0000000..832e2a2
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-serial-tcp-tlsx509-secret-chardev.xml
@@ -0,0 +1,50 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219136</memory>
+  <currentMemory unit='KiB'>219136</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <serial type='udp'>
+      <source mode='bind' host='127.0.0.1' service='1111'/>
+      <source mode='connect' host='127.0.0.1' service='2222'/>
+      <target port='0'/>
+    </serial>
+    <serial type='tcp'>
+      <source mode='connect' host='127.0.0.1' service='5555'/>
+      <protocol type='raw'/>
+      <target port='0'/>
+    </serial>
+    <console type='udp'>
+      <source mode='bind' host='127.0.0.1' service='1111'/>
+      <source mode='connect' host='127.0.0.1' service='2222'/>
+      <target type='serial' port='0'/>
+    </console>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 52d85fa..541a498 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1170,6 +1170,23 @@ mymain(void)
     DO_TEST("serial-tcp-tlsx509-chardev-notls",
             QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
             QEMU_CAPS_OBJECT_TLS_CREDS_X509);
+    VIR_FREE(driver.config->chardevTLSx509certdir);
+    if (VIR_STRDUP_QUIET(driver.config->chardevTLSx509certdir, "/etc/pki/libvirt-chardev") < 0)
+        return EXIT_FAILURE;
+    if (VIR_STRDUP_QUIET(driver.config->chardevTLSx509secretUUID,
+                         "6fd3f62d-9fe7-4a4e-a869-7acd6376d8ea") < 0)
+        return EXIT_FAILURE;
+# ifdef HAVE_GNUTLS_CIPHER_ENCRYPT
+    DO_TEST("serial-tcp-tlsx509-secret-chardev",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_OBJECT_SECRET,
+            QEMU_CAPS_OBJECT_TLS_CREDS_X509);
+# else
+    DO_TEST_FAILURE("serial-tcp-tlsx509-secret-chardev",
+                    QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+                    QEMU_CAPS_OBJECT_SECRET,
+                    QEMU_CAPS_OBJECT_TLS_CREDS_X509);
+# endif
     driver.config->chardevTLS = 0;
     VIR_FREE(driver.config->chardevTLSx509certdir);
     DO_TEST("serial-many-chardev",
-- 
2.7.4




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