[libvirt] [PATCH v3 1/8] qemu: Introduce qemuDomainSecretInfoNew
John Ferlan
jferlan at redhat.com
Wed Mar 1 23:30:19 UTC 2017
Create a helper which will create the secinfo used for disks, hostdevs,
and chardevs.
Signed-off-by: John Ferlan <jferlan at redhat.com>
---
src/qemu/qemu_domain.c | 137 +++++++++++++++++++++++++------------------------
1 file changed, 71 insertions(+), 66 deletions(-)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c187214..f8ac0f4 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1112,6 +1112,52 @@ qemuDomainSecretSetup(virConnectPtr conn,
}
+/* qemuDomainSecretInfoNew:
+ * @conn: Pointer to connection
+ * @priv: pointer to domain private object
+ * @srcAlias: Alias base to use for TLS object
+ * @lookupType: Type of secret lookup
+ * @username: username for plain secrets (only)
+ * @looupdef: lookup def describing secret
+ * @isLuks: boolean for luks lookup
+ *
+ * Helper function to create a secinfo to be used for secinfo consumers
+ *
+ * Returns @secinfo on success, NULL on failure. Caller is responsible
+ * to eventually free @secinfo.
+ */
+static qemuDomainSecretInfoPtr
+qemuDomainSecretInfoNew(virConnectPtr conn,
+ qemuDomainObjPrivatePtr priv,
+ const char *srcAlias,
+ virSecretUsageType secretUsageType,
+ const char *username,
+ virSecretLookupTypeDefPtr lookupDef,
+ bool isLuks)
+{
+ qemuDomainSecretInfoPtr secinfo = NULL;
+
+ if (VIR_ALLOC(secinfo) < 0)
+ return NULL;
+
+ if (qemuDomainSecretSetup(conn, priv, secinfo, srcAlias, secretUsageType,
+ username, lookupDef, isLuks) < 0)
+ goto error;
+
+ if (!username && secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_PLAIN) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("encrypted secrets are not supported"));
+ goto error;
+ }
+
+ return secinfo;
+
+ error:
+ qemuDomainSecretInfoFree(&secinfo);
+ return NULL;
+}
+
+
/* qemuDomainSecretDiskDestroy:
* @disk: Pointer to a disk definition
*
@@ -1171,51 +1217,30 @@ qemuDomainSecretDiskPrepare(virConnectPtr conn,
{
virStorageSourcePtr src = disk->src;
qemuDomainDiskPrivatePtr diskPriv = QEMU_DOMAIN_DISK_PRIVATE(disk);
- qemuDomainSecretInfoPtr secinfo = NULL;
if (qemuDomainSecretDiskCapable(src)) {
virSecretUsageType secretUsageType = VIR_SECRET_USAGE_TYPE_ISCSI;
- if (VIR_ALLOC(secinfo) < 0)
- return -1;
-
if (src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD)
secretUsageType = VIR_SECRET_USAGE_TYPE_CEPH;
- if (qemuDomainSecretSetup(conn, priv, secinfo, disk->info.alias,
- secretUsageType, src->auth->username,
- &src->auth->seclookupdef, false) < 0)
- goto error;
-
- diskPriv->secinfo = secinfo;
+ if (!(diskPriv->secinfo =
+ qemuDomainSecretInfoNew(conn, priv, disk->info.alias,
+ secretUsageType, src->auth->username,
+ &src->auth->seclookupdef, false)))
+ return -1;
}
if (qemuDomainDiskHasEncryptionSecret(src)) {
-
- if (VIR_ALLOC(secinfo) < 0)
- return -1;
-
- if (qemuDomainSecretSetup(conn, priv, secinfo, disk->info.alias,
- VIR_SECRET_USAGE_TYPE_VOLUME, NULL,
- &src->encryption->secrets[0]->seclookupdef,
- true) < 0)
- goto error;
-
- if (secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_PLAIN) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("luks encryption requires encrypted secrets "
- "to be supported"));
- goto error;
- }
-
- diskPriv->encinfo = secinfo;
+ if (!(diskPriv->encinfo =
+ qemuDomainSecretInfoNew(conn, priv, disk->info.alias,
+ VIR_SECRET_USAGE_TYPE_VOLUME, NULL,
+ &src->encryption->secrets[0]->seclookupdef,
+ true)))
+ return -1;
}
return 0;
-
- error:
- qemuDomainSecretInfoFree(&secinfo);
- return -1;
}
@@ -1251,8 +1276,6 @@ qemuDomainSecretHostdevPrepare(virConnectPtr conn,
qemuDomainObjPrivatePtr priv,
virDomainHostdevDefPtr hostdev)
{
- qemuDomainSecretInfoPtr secinfo = NULL;
-
if (virHostdevIsSCSIDevice(hostdev)) {
virDomainHostdevSubsysSCSIPtr scsisrc = &hostdev->source.subsys.u.scsi;
virDomainHostdevSubsysSCSIiSCSIPtr iscsisrc = &scsisrc->u.iscsi;
@@ -1263,24 +1286,17 @@ qemuDomainSecretHostdevPrepare(virConnectPtr conn,
qemuDomainHostdevPrivatePtr hostdevPriv =
QEMU_DOMAIN_HOSTDEV_PRIVATE(hostdev);
- if (VIR_ALLOC(secinfo) < 0)
+ if (!(hostdevPriv->secinfo =
+ qemuDomainSecretInfoNew(conn, priv, hostdev->info->alias,
+ VIR_SECRET_USAGE_TYPE_ISCSI,
+ iscsisrc->auth->username,
+ &iscsisrc->auth->seclookupdef,
+ false)))
return -1;
-
- if (qemuDomainSecretSetup(conn, priv, secinfo, hostdev->info->alias,
- VIR_SECRET_USAGE_TYPE_ISCSI,
- iscsisrc->auth->username,
- &iscsisrc->auth->seclookupdef, false) < 0)
- goto error;
-
- hostdevPriv->secinfo = secinfo;
}
}
return 0;
-
- error:
- qemuDomainSecretInfoFree(&secinfo);
- return -1;
}
@@ -1322,7 +1338,6 @@ qemuDomainSecretChardevPrepare(virConnectPtr conn,
virDomainChrSourceDefPtr dev)
{
virSecretLookupTypeDef seclookupdef = {0};
- qemuDomainSecretInfoPtr secinfo = NULL;
char *charAlias = NULL;
if (dev->type != VIR_DOMAIN_CHR_TYPE_TCP)
@@ -1337,36 +1352,26 @@ qemuDomainSecretChardevPrepare(virConnectPtr conn,
seclookupdef.u.uuid) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("malformed chardev TLS secret uuid in qemu.conf"));
- goto error;
+ return -1;
}
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;
+ return -1;
- if (secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_PLAIN) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("TLS X.509 requires encrypted secrets "
- "to be supported"));
+ if (!(chrSourcePriv->secinfo =
+ qemuDomainSecretInfoNew(conn, priv, charAlias,
+ VIR_SECRET_USAGE_TYPE_TLS, NULL,
+ &seclookupdef, false)))
goto error;
- }
- chrSourcePriv->secinfo = secinfo;
+ VIR_FREE(charAlias);
}
- VIR_FREE(charAlias);
return 0;
error:
- qemuDomainSecretInfoFree(&secinfo);
+ VIR_FREE(charAlias);
return -1;
}
--
2.9.3
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